diff options
Diffstat (limited to 'src')
891 files changed, 18517 insertions, 10521 deletions
diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index ff63b8c62d3..0c8e6633560 100644 --- a/src/bootstrap/Cargo.lock +++ b/src/bootstrap/Cargo.lock @@ -64,7 +64,7 @@ dependencies = [ "tracing-subscriber", "tracing-tree", "walkdir", - "windows 0.57.0", + "windows", "xz2", ] @@ -89,9 +89,9 @@ dependencies = [ [[package]] name = "cc" -version = "1.2.17" +version = "1.2.23" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1fcb57c740ae1daf453ae85f16e37396f672b039e00d9d866e07ddb24e328e3a" +checksum = "5f4ac86a9e5bc1e2b3449ab9d7d3a6a405e3d1bb28d7b9be8614f55846ae3766" dependencies = [ "shlex", ] @@ -703,7 +703,7 @@ dependencies = [ "ntapi", "objc2-core-foundation", "objc2-io-kit", - "windows 0.61.1", + "windows", ] [[package]] @@ -918,22 +918,12 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" [[package]] name = "windows" -version = "0.57.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "12342cb4d8e3b046f3d80effd474a7a02447231330ef77d71daa6fbc40681143" -dependencies = [ - "windows-core 0.57.0", - "windows-targets", -] - -[[package]] -name = "windows" version = "0.61.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c5ee8f3d025738cb02bad7868bbb5f8a6327501e870bf51f1b455b0a2454a419" dependencies = [ "windows-collections", - "windows-core 0.61.0", + "windows-core", "windows-future", "windows-link", "windows-numerics", @@ -945,19 +935,7 @@ version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3beeceb5e5cfd9eb1d76b381630e82c4241ccd0d27f1a39ed41b2760b255c5e8" dependencies = [ - "windows-core 0.61.0", -] - -[[package]] -name = "windows-core" -version = "0.57.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d2ed2439a290666cd67ecce2b0ffaad89c2a56b976b736e6ece670297897832d" -dependencies = [ - "windows-implement 0.57.0", - "windows-interface 0.57.0", - "windows-result 0.1.2", - "windows-targets", + "windows-core", ] [[package]] @@ -966,10 +944,10 @@ version = "0.61.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4763c1de310c86d75a878046489e2e5ba02c649d185f21c67d4cf8a56d098980" dependencies = [ - "windows-implement 0.60.0", - "windows-interface 0.59.1", + "windows-implement", + "windows-interface", "windows-link", - "windows-result 0.3.2", + "windows-result", "windows-strings", ] @@ -979,23 +957,12 @@ version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7a1d6bbefcb7b60acd19828e1bc965da6fcf18a7e39490c5f8be71e54a19ba32" dependencies = [ - "windows-core 0.61.0", + "windows-core", "windows-link", ] [[package]] name = "windows-implement" -version = "0.57.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9107ddc059d5b6fbfbffdfa7a7fe3e22a226def0b2608f72e9d552763d3e1ad7" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "windows-implement" version = "0.60.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836" @@ -1007,17 +974,6 @@ dependencies = [ [[package]] name = "windows-interface" -version = "0.57.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "29bee4b38ea3cde66011baa44dba677c432a78593e202392d1e9070cf2a7fca7" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "windows-interface" version = "0.59.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8" @@ -1039,21 +995,12 @@ version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9150af68066c4c5c07ddc0ce30421554771e528bde427614c61038bc2c92c2b1" dependencies = [ - "windows-core 0.61.0", + "windows-core", "windows-link", ] [[package]] name = "windows-result" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5e383302e8ec8515204254685643de10811af0ed97ea37210dc26fb0032647f8" -dependencies = [ - "windows-targets", -] - -[[package]] -name = "windows-result" version = "0.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c64fd11a4fd95df68efcfee5f44a294fe71b8bc6a91993e2791938abcc712252" diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml index e34de924cc1..b12b3dfc7b2 100644 --- a/src/bootstrap/Cargo.toml +++ b/src/bootstrap/Cargo.toml @@ -32,7 +32,7 @@ test = false # Most of the time updating these dependencies requires modifications to the # bootstrap codebase(e.g., https://github.com/rust-lang/rust/issues/124565); # otherwise, some targets will fail. That's why these dependencies are explicitly pinned. -cc = "=1.2.17" +cc = "=1.2.23" cmake = "=0.1.54" build_helper = { path = "../build_helper" } @@ -70,7 +70,7 @@ tracing-tree = { version = "0.4.0", optional = true } version = "1.0.0" [target.'cfg(windows)'.dependencies.windows] -version = "0.57" +version = "0.61" features = [ "Win32_Foundation", "Win32_Security", diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 42ad14a81d0..c60c6b8db64 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -1118,7 +1118,6 @@ class RustBuild(object): if "RUSTFLAGS_BOOTSTRAP" in env: env["RUSTFLAGS"] += " " + env["RUSTFLAGS_BOOTSTRAP"] - env["PATH"] = os.path.join(self.bin_root(), "bin") + os.pathsep + env["PATH"] if not os.path.isfile(self.cargo()): raise Exception("no cargo executable found at `{}`".format(self.cargo())) args = [ diff --git a/src/bootstrap/defaults/bootstrap.library.toml b/src/bootstrap/defaults/bootstrap.library.toml index b43796d6f20..6edd00922ae 100644 --- a/src/bootstrap/defaults/bootstrap.library.toml +++ b/src/bootstrap/defaults/bootstrap.library.toml @@ -1,17 +1,18 @@ # These defaults are meant for contributors to the standard library and documentation. [build] -# When building the standard library, you almost never want to build the compiler itself. -build-stage = 0 -test-stage = 0 -bench-stage = 0 +build-stage = 1 +test-stage = 1 +bench-stage = 1 [rust] # This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. incremental = true # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown. lto = "off" -# Download rustc by default for library profile if compiler-affecting -# directories are not modified. For CI this is disabled. +# When building the standard library, you almost never want to build the compiler itself. +# +# If compiler-affecting directories are not modified, use precompiled rustc to speed up +# library development by skipping compiler builds. download-rustc = "if-unchanged" [llvm] diff --git a/src/bootstrap/src/bin/rustc.rs b/src/bootstrap/src/bin/rustc.rs index 85c682a46c5..0671a8467e8 100644 --- a/src/bootstrap/src/bin/rustc.rs +++ b/src/bootstrap/src/bin/rustc.rs @@ -120,14 +120,12 @@ fn main() { }; cmd.args(&args).env(dylib_path_var(), env::join_paths(&dylib_path).unwrap()); - if let Some(crate_name) = crate_name { - if let Some(target) = env::var_os("RUSTC_TIME") { - if target == "all" - || target.into_string().unwrap().split(',').any(|c| c.trim() == crate_name) - { - cmd.arg("-Ztime-passes"); - } - } + if let Some(crate_name) = crate_name + && let Some(target) = env::var_os("RUSTC_TIME") + && (target == "all" + || target.into_string().unwrap().split(',').any(|c| c.trim() == crate_name)) + { + cmd.arg("-Ztime-passes"); } // Print backtrace in case of ICE @@ -242,10 +240,10 @@ fn main() { } } - if env::var_os("RUSTC_BOLT_LINK_FLAGS").is_some() { - if let Some("rustc_driver") = crate_name { - cmd.arg("-Clink-args=-Wl,-q"); - } + if env::var_os("RUSTC_BOLT_LINK_FLAGS").is_some() + && let Some("rustc_driver") = crate_name + { + cmd.arg("-Clink-args=-Wl,-q"); } let is_test = args.iter().any(|a| a == "--test"); @@ -282,25 +280,24 @@ fn main() { (child, status) }; - if env::var_os("RUSTC_PRINT_STEP_TIMINGS").is_some() - || env::var_os("RUSTC_PRINT_STEP_RUSAGE").is_some() + if (env::var_os("RUSTC_PRINT_STEP_TIMINGS").is_some() + || env::var_os("RUSTC_PRINT_STEP_RUSAGE").is_some()) + && let Some(crate_name) = crate_name { - if let Some(crate_name) = crate_name { - let dur = start.elapsed(); - // If the user requested resource usage data, then - // include that in addition to the timing output. - let rusage_data = - env::var_os("RUSTC_PRINT_STEP_RUSAGE").and_then(|_| format_rusage_data(child)); - eprintln!( - "[RUSTC-TIMING] {} test:{} {}.{:03}{}{}", - crate_name, - is_test, - dur.as_secs(), - dur.subsec_millis(), - if rusage_data.is_some() { " " } else { "" }, - rusage_data.unwrap_or_default(), - ); - } + let dur = start.elapsed(); + // If the user requested resource usage data, then + // include that in addition to the timing output. + let rusage_data = + env::var_os("RUSTC_PRINT_STEP_RUSAGE").and_then(|_| format_rusage_data(child)); + eprintln!( + "[RUSTC-TIMING] {} test:{} {}.{:03}{}{}", + crate_name, + is_test, + dur.as_secs(), + dur.subsec_millis(), + if rusage_data.is_some() { " " } else { "" }, + rusage_data.unwrap_or_default(), + ); } if status.success() { @@ -342,7 +339,7 @@ fn format_rusage_data(child: Child) -> Option<String> { use windows::Win32::System::Threading::GetProcessTimes; use windows::Win32::System::Time::FileTimeToSystemTime; - let handle = HANDLE(child.as_raw_handle() as isize); + let handle = HANDLE(child.as_raw_handle()); let mut user_filetime = Default::default(); let mut user_time = Default::default(); diff --git a/src/bootstrap/src/core/build_steps/check.rs b/src/bootstrap/src/core/build_steps/check.rs index fa848c492b4..922578f309a 100644 --- a/src/bootstrap/src/core/build_steps/check.rs +++ b/src/bootstrap/src/core/build_steps/check.rs @@ -1,5 +1,6 @@ //! Implementation of compiling the compiler and standard library, in "check"-based modes. +use crate::core::build_steps::compile; use crate::core::build_steps::compile::{ add_to_sysroot, run_cargo, rustc_cargo, rustc_cargo_env, std_cargo, std_crates_for_run_make, }; @@ -45,10 +46,12 @@ impl Step for Std { const DEFAULT: bool = true; fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + let stage = run.builder.top_stage; run.crate_or_deps("sysroot") .crate_or_deps("coretests") .crate_or_deps("alloctests") .path("library") + .default_condition(stage != 0) } fn make_run(run: RunConfig<'_>) { @@ -62,6 +65,12 @@ impl Step for Std { let target = self.target; let compiler = builder.compiler(builder.top_stage, builder.config.build); + if builder.top_stage == 0 { + // Reuse the stage0 libstd + builder.ensure(compile::Std::new(compiler, target)); + return; + } + let mut cargo = builder::Cargo::new( builder, compiler, diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs index 07fd51919d4..5e8d6bba841 100644 --- a/src/bootstrap/src/core/build_steps/clippy.rs +++ b/src/bootstrap/src/core/build_steps/clippy.rs @@ -207,16 +207,18 @@ impl Step for Rustc { let compiler = builder.compiler(builder.top_stage, builder.config.build); let target = self.target; - if compiler.stage != 0 { - // If we're not in stage 0, then we won't have a std from the beta - // compiler around. That means we need to make sure there's one in - // the sysroot for the compiler to find. Otherwise, we're going to - // fail when building crates that need to generate code (e.g., build - // scripts and their dependencies). - builder.ensure(compile::Std::new(compiler, compiler.host)); - builder.ensure(compile::Std::new(compiler, target)); - } else { - builder.ensure(check::Std::new(target).build_kind(Some(Kind::Check))); + if !builder.download_rustc() { + if compiler.stage != 0 { + // If we're not in stage 0, then we won't have a std from the beta + // compiler around. That means we need to make sure there's one in + // the sysroot for the compiler to find. Otherwise, we're going to + // fail when building crates that need to generate code (e.g., build + // scripts and their dependencies). + builder.ensure(compile::Std::new(compiler, compiler.host)); + builder.ensure(compile::Std::new(compiler, target)); + } else { + builder.ensure(check::Std::new(target).build_kind(Some(Kind::Check))); + } } let mut cargo = builder::Cargo::new( @@ -286,7 +288,9 @@ macro_rules! lint_any { let compiler = builder.compiler(builder.top_stage, builder.config.build); let target = self.target; - builder.ensure(check::Rustc::new(target, builder).build_kind(Some(Kind::Check))); + if !builder.download_rustc() { + builder.ensure(check::Rustc::new(target, builder).build_kind(Some(Kind::Check))); + }; let cargo = prepare_tool_cargo( builder, diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 67daf81ee54..a782d0f6b1a 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -147,14 +147,27 @@ impl Step for Std { )] fn run(self, builder: &Builder<'_>) { let target = self.target; - let compiler = self.compiler; + + // We already have std ready to be used for stage 0. + if self.compiler.stage == 0 { + let compiler = self.compiler; + builder.ensure(StdLink::from_std(self, compiler)); + + return; + } + + let compiler = if builder.download_rustc() && self.force_recompile { + // When there are changes in the library tree with CI-rustc, we want to build + // the stageN library and that requires using stageN-1 compiler. + builder.compiler(self.compiler.stage.saturating_sub(1), builder.config.build) + } else { + self.compiler + }; // When using `download-rustc`, we already have artifacts for the host available. Don't // recompile them. - if builder.download_rustc() && builder.config.is_host_target(target) - // NOTE: the beta compiler may generate different artifacts than the downloaded compiler, so - // its artifacts can't be reused. - && compiler.stage != 0 + if builder.download_rustc() + && builder.config.is_host_target(target) && !self.force_recompile { let sysroot = builder.ensure(Sysroot { compiler, force_recompile: false }); @@ -189,7 +202,13 @@ impl Step for Std { let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target); trace!(?compiler_to_use); - if compiler_to_use != compiler { + if compiler_to_use != compiler + // Never uplift std unless we have compiled stage 1; if stage 1 is compiled, + // uplift it from there. + // + // FIXME: improve `fn compiler_for` to avoid adding stage condition here. + && compiler.stage > 1 + { trace!(?compiler_to_use, ?compiler, "compiler != compiler_to_use, uplifting library"); builder.ensure(Std::new(compiler_to_use, target)); @@ -222,27 +241,6 @@ impl Step for Std { target_deps.extend(self.copy_extra_objects(builder, &compiler, target)); - // The LLD wrappers and `rust-lld` are self-contained linking components that can be - // necessary to link the stdlib on some targets. We'll also need to copy these binaries to - // the `stage0-sysroot` to ensure the linker is found when bootstrapping on such a target. - if compiler.stage == 0 && builder.config.is_host_target(compiler.host) { - trace!( - "(build == host) copying linking components to `stage0-sysroot` for bootstrapping" - ); - // We want to copy the host `bin` folder within the `rustlib` folder in the sysroot. - let src_sysroot_bin = builder - .rustc_snapshot_sysroot() - .join("lib") - .join("rustlib") - .join(compiler.host) - .join("bin"); - if src_sysroot_bin.exists() { - let target_sysroot_bin = builder.sysroot_target_bindir(compiler, target); - t!(fs::create_dir_all(&target_sysroot_bin)); - builder.cp_link_r(&src_sysroot_bin, &target_sysroot_bin); - } - } - // We build a sysroot for mir-opt tests using the same trick that Miri does: A check build // with -Zalways-encode-mir. This frees us from the need to have a target linker, and the // fact that this is a check build integrates nicely with run_cargo. @@ -628,18 +626,18 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car // Help the libc crate compile by assisting it in finding various // sysroot native libraries. - if target.contains("musl") { - if let Some(p) = builder.musl_libdir(target) { - let root = format!("native={}", p.to_str().unwrap()); - cargo.rustflag("-L").rustflag(&root); - } + if target.contains("musl") + && let Some(p) = builder.musl_libdir(target) + { + let root = format!("native={}", p.to_str().unwrap()); + cargo.rustflag("-L").rustflag(&root); } - if target.contains("-wasi") { - if let Some(dir) = builder.wasi_libdir(target) { - let root = format!("native={}", dir.to_str().unwrap()); - cargo.rustflag("-L").rustflag(&root); - } + if target.contains("-wasi") + && let Some(dir) = builder.wasi_libdir(target) + { + let root = format!("native={}", dir.to_str().unwrap()); + cargo.rustflag("-L").rustflag(&root); } } @@ -737,7 +735,7 @@ impl Step for StdLink { let target = self.target; // NOTE: intentionally does *not* check `target == builder.build` to avoid having to add the same check in `test::Crate`. - let (libdir, hostdir) = if self.force_recompile && builder.download_rustc() { + let (libdir, hostdir) = if !self.force_recompile && builder.download_rustc() { // NOTE: copies part of `sysroot_libdir` to avoid having to add a new `force_recompile` argument there too let lib = builder.sysroot_libdir_relative(self.compiler); let sysroot = builder.ensure(crate::core::build_steps::compile::Sysroot { @@ -753,23 +751,16 @@ impl Step for StdLink { (libdir, hostdir) }; - add_to_sysroot( - builder, - &libdir, - &hostdir, - &build_stamp::libstd_stamp(builder, compiler, target), - ); + let is_downloaded_beta_stage0 = builder + .build + .config + .initial_rustc + .starts_with(builder.out.join(compiler.host).join("stage0/bin")); // Special case for stage0, to make `rustup toolchain link` and `x dist --stage 0` // work for stage0-sysroot. We only do this if the stage0 compiler comes from beta, // and is not set to a custom path. - if compiler.stage == 0 - && builder - .build - .config - .initial_rustc - .starts_with(builder.out.join(compiler.host).join("stage0/bin")) - { + if compiler.stage == 0 && is_downloaded_beta_stage0 { // Copy bin files from stage0/bin to stage0-sysroot/bin let sysroot = builder.out.join(compiler.host).join("stage0-sysroot"); @@ -779,21 +770,9 @@ impl Step for StdLink { t!(fs::create_dir_all(&sysroot_bin_dir)); builder.cp_link_r(&stage0_bin_dir, &sysroot_bin_dir); - // Copy all files from stage0/lib to stage0-sysroot/lib let stage0_lib_dir = builder.out.join(host).join("stage0/lib"); - if let Ok(files) = fs::read_dir(stage0_lib_dir) { - for file in files { - let file = t!(file); - let path = file.path(); - if path.is_file() { - builder.copy_link( - &path, - &sysroot.join("lib").join(path.file_name().unwrap()), - FileType::Regular, - ); - } - } - } + t!(fs::create_dir_all(sysroot.join("lib"))); + builder.cp_link_r(&stage0_lib_dir, &sysroot.join("lib")); // Copy codegen-backends from stage0 let sysroot_codegen_backends = builder.sysroot_codegen_backends(compiler); @@ -807,6 +786,30 @@ impl Step for StdLink { if stage0_codegen_backends.exists() { builder.cp_link_r(&stage0_codegen_backends, &sysroot_codegen_backends); } + } else if compiler.stage == 0 { + let sysroot = builder.out.join(compiler.host.triple).join("stage0-sysroot"); + + if builder.local_rebuild { + // On local rebuilds this path might be a symlink to the project root, + // which can be read-only (e.g., on CI). So remove it before copying + // the stage0 lib. + let _ = fs::remove_dir_all(sysroot.join("lib/rustlib/src/rust")); + } + + builder.cp_link_r(&builder.initial_sysroot.join("lib"), &sysroot.join("lib")); + } else { + if builder.download_rustc() { + // Ensure there are no CI-rustc std artifacts. + let _ = fs::remove_dir_all(&libdir); + let _ = fs::remove_dir_all(&hostdir); + } + + add_to_sysroot( + builder, + &libdir, + &hostdir, + &build_stamp::libstd_stamp(builder, compiler, target), + ); } } } @@ -1029,7 +1032,7 @@ impl Step for Rustc { let compiler = self.compiler; let target = self.target; - // NOTE: the ABI of the beta compiler is different from the ABI of the downloaded compiler, + // NOTE: the ABI of the stage0 compiler is different from the ABI of the downloaded compiler, // so its artifacts can't be reused. if builder.download_rustc() && compiler.stage != 0 { trace!(stage = compiler.stage, "`download_rustc` requested"); @@ -1388,12 +1391,13 @@ fn rustc_llvm_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelect // found. This is to avoid the linker errors about undefined references to // `__llvm_profile_instrument_memop` when linking `rustc_driver`. let mut llvm_linker_flags = String::new(); - if builder.config.llvm_profile_generate && target.is_msvc() { - if let Some(ref clang_cl_path) = builder.config.llvm_clang_cl { - // Add clang's runtime library directory to the search path - let clang_rt_dir = get_clang_cl_resource_dir(builder, clang_cl_path); - llvm_linker_flags.push_str(&format!("-L{}", clang_rt_dir.display())); - } + if builder.config.llvm_profile_generate + && target.is_msvc() + && let Some(ref clang_cl_path) = builder.config.llvm_clang_cl + { + // Add clang's runtime library directory to the search path + let clang_rt_dir = get_clang_cl_resource_dir(builder, clang_cl_path); + llvm_linker_flags.push_str(&format!("-L{}", clang_rt_dir.display())); } // The config can also specify its own llvm linker flags. @@ -1409,7 +1413,7 @@ fn rustc_llvm_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelect cargo.env("LLVM_LINKER_FLAGS", llvm_linker_flags); } - // Building with a static libstdc++ is only supported on linux right now, + // Building with a static libstdc++ is only supported on Linux and windows-gnu* right now, // not for MSVC or macOS if builder.config.llvm_static_stdcpp && !target.contains("freebsd") @@ -1417,12 +1421,14 @@ fn rustc_llvm_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelect && !target.contains("apple") && !target.contains("solaris") { + let libstdcxx_name = + if target.contains("windows-gnullvm") { "libc++.a" } else { "libstdc++.a" }; let file = compiler_file( builder, &builder.cxx(target).unwrap(), target, CLang::Cxx, - "libstdc++.a", + libstdcxx_name, ); cargo.env("LLVM_STATIC_STDCPP", file); } @@ -1783,9 +1789,9 @@ impl Step for Sysroot { t!(fs::create_dir_all(&sysroot)); // In some cases(see https://github.com/rust-lang/rust/issues/109314), when the stage0 - // compiler relies on more recent version of LLVM than the beta compiler, it may not + // compiler relies on more recent version of LLVM than the stage0 compiler, it may not // be able to locate the correct LLVM in the sysroot. This situation typically occurs - // when we upgrade LLVM version while the beta compiler continues to use an older version. + // when we upgrade LLVM version while the stage0 compiler continues to use an older version. // // Make sure to add the correct version of LLVM into the stage0 sysroot. if compiler.stage == 0 { @@ -1984,17 +1990,20 @@ impl Step for Assemble { trace!("installing `{tool}`"); let tool_exe = exe(tool, target_compiler.host); let src_path = llvm_bin_dir.join(&tool_exe); - // When using `download-ci-llvm`, some of the tools - // may not exist, so skip trying to copy them. - if src_path.exists() { - // There is a chance that these tools are being installed from an external LLVM. - // Use `Builder::resolve_symlink_and_copy` instead of `Builder::copy_link` to ensure - // we are copying the original file not the symlinked path, which causes issues for - // tarball distribution. - // - // See https://github.com/rust-lang/rust/issues/135554. - builder.resolve_symlink_and_copy(&src_path, &libdir_bin.join(&tool_exe)); + + // When using `download-ci-llvm`, some of the tools may not exist, so skip trying to copy them. + if !src_path.exists() && builder.config.llvm_from_ci { + eprintln!("{} does not exist; skipping copy", src_path.display()); + continue; } + + // There is a chance that these tools are being installed from an external LLVM. + // Use `Builder::resolve_symlink_and_copy` instead of `Builder::copy_link` to ensure + // we are copying the original file not the symlinked path, which causes issues for + // tarball distribution. + // + // See https://github.com/rust-lang/rust/issues/135554. + builder.resolve_symlink_and_copy(&src_path, &libdir_bin.join(&tool_exe)); } } } diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index aa2c7509c2a..587fca80374 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -776,7 +776,8 @@ impl Step for RustcDev { copy_src_dirs( builder, &builder.src, - &["compiler"], + // The compiler has a path dependency on proc_macro, so make sure to include it. + &["compiler", "library/proc_macro"], &[], &tarball.image_dir().join("lib/rustlib/rustc-src/rust"), ); @@ -2274,12 +2275,17 @@ impl Step for LlvmTools { let target = self.target; - /* run only if llvm-config isn't used */ - if let Some(config) = builder.config.target_config.get(&target) { - if let Some(ref _s) = config.llvm_config { - builder.info(&format!("Skipping LlvmTools ({target}): external LLVM")); - return None; - } + // Run only if a custom llvm-config is not used + if let Some(config) = builder.config.target_config.get(&target) + && !builder.config.llvm_from_ci + && config.llvm_config.is_some() + { + builder.info(&format!("Skipping LlvmTools ({target}): external LLVM")); + return None; + } + + if !builder.config.dry_run() { + builder.require_submodule("src/llvm-project", None); } builder.ensure(crate::core::build_steps::llvm::Llvm { target }); @@ -2294,6 +2300,12 @@ impl Step for LlvmTools { let dst_bindir = format!("lib/rustlib/{}/bin", target.triple); for tool in tools_to_install(&builder.paths) { let exe = src_bindir.join(exe(tool, target)); + // When using `download-ci-llvm`, some of the tools may not exist, so skip trying to copy them. + if !exe.exists() && builder.config.llvm_from_ci { + eprintln!("{} does not exist; skipping copy", exe.display()); + continue; + } + tarball.add_file(&exe, &dst_bindir, FileType::Executable); } } @@ -2387,11 +2399,15 @@ impl Step for RustDev { let target = self.target; /* run only if llvm-config isn't used */ - if let Some(config) = builder.config.target_config.get(&target) { - if let Some(ref _s) = config.llvm_config { - builder.info(&format!("Skipping RustDev ({target}): external LLVM")); - return None; - } + if let Some(config) = builder.config.target_config.get(&target) + && let Some(ref _s) = config.llvm_config + { + builder.info(&format!("Skipping RustDev ({target}): external LLVM")); + return None; + } + + if !builder.config.dry_run() { + builder.require_submodule("src/llvm-project", None); } let mut tarball = Tarball::new(builder, "rust-dev", &target.triple); diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 1c317ce4b86..61268df7336 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -318,10 +318,10 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { // `into_path` produces an absolute path. Try to strip `cwd` to get a shorter // relative path. let mut path = entry.clone().into_path(); - if let Ok(cwd) = cwd { - if let Ok(path2) = path.strip_prefix(cwd) { - path = path2.to_path_buf(); - } + if let Ok(cwd) = cwd + && let Ok(path2) = path.strip_prefix(cwd) + { + path = path2.to_path_buf(); } path.display().to_string() }); diff --git a/src/bootstrap/src/core/build_steps/install.rs b/src/bootstrap/src/core/build_steps/install.rs index c31c40e846b..5419540aa2e 100644 --- a/src/bootstrap/src/core/build_steps/install.rs +++ b/src/bootstrap/src/core/build_steps/install.rs @@ -38,7 +38,9 @@ fn sanitize_sh(path: &Path, is_cygwin: bool) -> String { if ch.next() != Some('/') { return None; } - Some(format!("/{}/{}", drive, &s[drive.len_utf8() + 2..])) + // The prefix for Windows drives in Cygwin/MSYS2 is configurable, but + // /proc/cygdrive is available regardless of configuration since 1.7.33 + Some(format!("/proc/cygdrive/{}/{}", drive, &s[drive.len_utf8() + 2..])) } } @@ -244,7 +246,7 @@ install!((self, builder, _config), ); } }; - LlvmTools, alias = "llvm-tools", Self::should_build(_config), only_hosts: true, { + LlvmTools, alias = "llvm-tools", _config.llvm_tools_enabled && _config.llvm_enabled(_config.build), only_hosts: true, { if let Some(tarball) = builder.ensure(dist::LlvmTools { target: self.target }) { install_sh(builder, "llvm-tools", self.compiler.stage, Some(self.target), &tarball); } else { diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index a3788197471..20a4d1a1515 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -107,18 +107,18 @@ pub fn prebuilt_llvm_config( // If we're using a custom LLVM bail out here, but we can only use a // custom LLVM for the build triple. - if let Some(config) = builder.config.target_config.get(&target) { - if let Some(ref s) = config.llvm_config { - check_llvm_version(builder, s); - let llvm_config = s.to_path_buf(); - let mut llvm_cmake_dir = llvm_config.clone(); - llvm_cmake_dir.pop(); - llvm_cmake_dir.pop(); - llvm_cmake_dir.push("lib"); - llvm_cmake_dir.push("cmake"); - llvm_cmake_dir.push("llvm"); - return LlvmBuildStatus::AlreadyBuilt(LlvmResult { llvm_config, llvm_cmake_dir }); - } + if let Some(config) = builder.config.target_config.get(&target) + && let Some(ref s) = config.llvm_config + { + check_llvm_version(builder, s); + let llvm_config = s.to_path_buf(); + let mut llvm_cmake_dir = llvm_config.clone(); + llvm_cmake_dir.pop(); + llvm_cmake_dir.pop(); + llvm_cmake_dir.push("lib"); + llvm_cmake_dir.push("cmake"); + llvm_cmake_dir.push("llvm"); + return LlvmBuildStatus::AlreadyBuilt(LlvmResult { llvm_config, llvm_cmake_dir }); } if handle_submodule_when_needed { @@ -285,7 +285,8 @@ impl Step for Llvm { LlvmBuildStatus::ShouldBuild(m) => m, }; - if builder.llvm_link_shared() && target.is_windows() { + if builder.llvm_link_shared() && target.is_windows() && !target.ends_with("windows-gnullvm") + { panic!("shared linking to LLVM is not currently supported on {}", target.triple); } @@ -467,10 +468,10 @@ impl Step for Llvm { cfg.define("LLVM_ENABLE_RUNTIMES", enabled_llvm_runtimes.join(";")); } - if let Some(num_linkers) = builder.config.llvm_link_jobs { - if num_linkers > 0 { - cfg.define("LLVM_PARALLEL_LINK_JOBS", num_linkers.to_string()); - } + if let Some(num_linkers) = builder.config.llvm_link_jobs + && num_linkers > 0 + { + cfg.define("LLVM_PARALLEL_LINK_JOBS", num_linkers.to_string()); } // https://llvm.org/docs/HowToCrossCompileLLVM.html @@ -596,10 +597,10 @@ fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) { let version = get_llvm_version(builder, llvm_config); let mut parts = version.split('.').take(2).filter_map(|s| s.parse::<u32>().ok()); - if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) { - if major >= 19 { - return; - } + if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) + && major >= 19 + { + return; } panic!("\n\nbad LLVM version: {version}, need >=19\n\n") } @@ -729,11 +730,9 @@ fn configure_cmake( // If ccache is configured we inform the build a little differently how // to invoke ccache while also invoking our compilers. - if use_compiler_launcher { - if let Some(ref ccache) = builder.config.ccache { - cfg.define("CMAKE_C_COMPILER_LAUNCHER", ccache) - .define("CMAKE_CXX_COMPILER_LAUNCHER", ccache); - } + if use_compiler_launcher && let Some(ref ccache) = builder.config.ccache { + cfg.define("CMAKE_C_COMPILER_LAUNCHER", ccache) + .define("CMAKE_CXX_COMPILER_LAUNCHER", ccache); } cfg.define("CMAKE_C_COMPILER", sanitize_cc(&cc)) .define("CMAKE_CXX_COMPILER", sanitize_cc(&cxx)) @@ -791,20 +790,20 @@ fn configure_cmake( cxxflags.push(format!(" --target={target}")); } cfg.define("CMAKE_CXX_FLAGS", cxxflags); - if let Some(ar) = builder.ar(target) { - if ar.is_absolute() { - // LLVM build breaks if `CMAKE_AR` is a relative path, for some reason it - // tries to resolve this path in the LLVM build directory. - cfg.define("CMAKE_AR", sanitize_cc(&ar)); - } + if let Some(ar) = builder.ar(target) + && ar.is_absolute() + { + // LLVM build breaks if `CMAKE_AR` is a relative path, for some reason it + // tries to resolve this path in the LLVM build directory. + cfg.define("CMAKE_AR", sanitize_cc(&ar)); } - if let Some(ranlib) = builder.ranlib(target) { - if ranlib.is_absolute() { - // LLVM build breaks if `CMAKE_RANLIB` is a relative path, for some reason it - // tries to resolve this path in the LLVM build directory. - cfg.define("CMAKE_RANLIB", sanitize_cc(&ranlib)); - } + if let Some(ranlib) = builder.ranlib(target) + && ranlib.is_absolute() + { + // LLVM build breaks if `CMAKE_RANLIB` is a relative path, for some reason it + // tries to resolve this path in the LLVM build directory. + cfg.define("CMAKE_RANLIB", sanitize_cc(&ranlib)); } if let Some(ref flags) = builder.config.llvm_ldflags { @@ -1037,13 +1036,14 @@ impl Step for Lld { // when doing PGO on CI, cmake or clang-cl don't automatically link clang's // profiler runtime in. In that case, we need to manually ask cmake to do it, to avoid // linking errors, much like LLVM's cmake setup does in that situation. - if builder.config.llvm_profile_generate && target.is_msvc() { - if let Some(clang_cl_path) = builder.config.llvm_clang_cl.as_ref() { - // Find clang's runtime library directory and push that as a search path to the - // cmake linker flags. - let clang_rt_dir = get_clang_cl_resource_dir(builder, clang_cl_path); - ldflags.push_all(format!("/libpath:{}", clang_rt_dir.display())); - } + if builder.config.llvm_profile_generate + && target.is_msvc() + && let Some(clang_cl_path) = builder.config.llvm_clang_cl.as_ref() + { + // Find clang's runtime library directory and push that as a search path to the + // cmake linker flags. + let clang_rt_dir = get_clang_cl_resource_dir(builder, clang_cl_path); + ldflags.push_all(format!("/libpath:{}", clang_rt_dir.display())); } // LLD is built as an LLVM tool, but is distributed outside of the `llvm-tools` component, @@ -1430,6 +1430,7 @@ impl Step for Libunwind { cfg.flag("-funwind-tables"); cfg.flag("-fvisibility=hidden"); cfg.define("_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS", None); + cfg.define("_LIBUNWIND_IS_NATIVE_ONLY", "1"); cfg.include(root.join("include")); cfg.cargo_metadata(false); cfg.out_dir(&out_dir); @@ -1447,12 +1448,10 @@ impl Step for Libunwind { cfg.define("__NO_STRING_INLINES", None); cfg.define("__NO_MATH_INLINES", None); cfg.define("_LIBUNWIND_IS_BAREMETAL", None); - cfg.define("__LIBUNWIND_IS_NATIVE_ONLY", None); cfg.define("NDEBUG", None); } if self.target.is_windows() { cfg.define("_LIBUNWIND_HIDE_SYMBOLS", "1"); - cfg.define("_LIBUNWIND_IS_NATIVE_ONLY", "1"); } } diff --git a/src/bootstrap/src/core/build_steps/perf.rs b/src/bootstrap/src/core/build_steps/perf.rs index 7f4e88bd73c..14c7b7cf5e9 100644 --- a/src/bootstrap/src/core/build_steps/perf.rs +++ b/src/bootstrap/src/core/build_steps/perf.rs @@ -1,3 +1,4 @@ +use std::env::consts::EXE_EXTENSION; use std::fmt::{Display, Formatter}; use crate::core::build_steps::compile::{Std, Sysroot}; @@ -153,14 +154,17 @@ Consider setting `rust.debuginfo-level = 1` in `bootstrap.toml`."#); let compiler = builder.compiler(builder.top_stage, builder.config.build); builder.ensure(Std::new(compiler, builder.config.build)); - if let Some(opts) = args.cmd.shared_opts() { - if opts.profiles.contains(&Profile::Doc) { - builder.ensure(Rustdoc { compiler }); - } + if let Some(opts) = args.cmd.shared_opts() + && opts.profiles.contains(&Profile::Doc) + { + builder.ensure(Rustdoc { compiler }); } let sysroot = builder.ensure(Sysroot::new(compiler)); - let rustc = sysroot.join("bin/rustc"); + let mut rustc = sysroot.clone(); + rustc.push("bin"); + rustc.push("rustc"); + rustc.set_extension(EXE_EXTENSION); let rustc_perf_dir = builder.build.tempdir().join("rustc-perf"); let results_dir = rustc_perf_dir.join("results"); diff --git a/src/bootstrap/src/core/build_steps/run.rs b/src/bootstrap/src/core/build_steps/run.rs index 0bba441c3fa..6ef1b13abcd 100644 --- a/src/bootstrap/src/core/build_steps/run.rs +++ b/src/bootstrap/src/core/build_steps/run.rs @@ -5,7 +5,6 @@ use std::path::PathBuf; -use crate::Mode; use crate::core::build_steps::dist::distdir; use crate::core::build_steps::test; use crate::core::build_steps::tool::{self, SourceType, Tool}; @@ -14,6 +13,7 @@ use crate::core::builder::{Builder, Kind, RunConfig, ShouldRun, Step}; use crate::core::config::TargetSelection; use crate::core::config::flags::get_completion; use crate::utils::exec::command; +use crate::{Mode, t}; #[derive(Debug, PartialOrd, Ord, Clone, Hash, PartialEq, Eq)] pub struct BuildManifest; @@ -118,15 +118,25 @@ impl Step for Miri { fn run(self, builder: &Builder<'_>) { let host = builder.build.build; let target = self.target; - let stage = builder.top_stage; + + // `x run` uses stage 0 by default but miri does not work well with stage 0. + // Change the stage to 1 if it's not set explicitly. + let stage = if builder.config.is_explicit_stage() || builder.top_stage >= 1 { + builder.top_stage + } else { + 1 + }; + if stage == 0 { eprintln!("miri cannot be run at stage 0"); std::process::exit(1); } // This compiler runs on the host, we'll just use it for the target. - let target_compiler = builder.compiler(stage, host); - let host_compiler = tool::get_tool_rustc_compiler(builder, target_compiler); + let target_compiler = builder.compiler(stage, target); + let miri_build = builder.ensure(tool::Miri { compiler: target_compiler, target }); + // Rustc tools are off by one stage, so use the build compiler to run miri. + let host_compiler = miri_build.build_compiler; // Get a target sysroot for Miri. let miri_sysroot = test::Miri::build_miri_sysroot(builder, target_compiler, target); @@ -243,6 +253,7 @@ impl Step for GenerateCopyright { cmd.env("SRC_DIR", &builder.src); cmd.env("VENDOR_DIR", &vendored_sources); cmd.env("CARGO", &builder.initial_cargo); + cmd.env("CARGO_HOME", t!(home::cargo_home())); // it is important that generate-copyright runs from the root of the // source tree, because it uses relative paths cmd.current_dir(&builder.src); diff --git a/src/bootstrap/src/core/build_steps/setup.rs b/src/bootstrap/src/core/build_steps/setup.rs index 31ec462134d..25adfdf1601 100644 --- a/src/bootstrap/src/core/build_steps/setup.rs +++ b/src/bootstrap/src/core/build_steps/setup.rs @@ -241,10 +241,10 @@ impl Step for Link { if run.builder.config.dry_run() { return; } - if let [cmd] = &run.paths[..] { - if cmd.assert_single_path().path.as_path().as_os_str() == "link" { - run.builder.ensure(Link); - } + if let [cmd] = &run.paths[..] + && cmd.assert_single_path().path.as_path().as_os_str() == "link" + { + run.builder.ensure(Link); } } fn run(self, builder: &Builder<'_>) -> Self::Output { @@ -457,10 +457,10 @@ impl Step for Hook { } fn make_run(run: RunConfig<'_>) { - if let [cmd] = &run.paths[..] { - if cmd.assert_single_path().path.as_path().as_os_str() == "hook" { - run.builder.ensure(Hook); - } + if let [cmd] = &run.paths[..] + && cmd.assert_single_path().path.as_path().as_os_str() == "hook" + { + run.builder.ensure(Hook); } } @@ -585,11 +585,13 @@ Select which editor you would like to set up [default: None]: "; "d29af4d949bbe2371eac928a3c31cf9496b1701aa1c45f11cd6c759865ad5c45", "b5dd299b93dca3ceeb9b335f929293cb3d4bf4977866fbe7ceeac2a8a9f99088", "631c837b0e98ae35fd48b0e5f743b1ca60adadf2d0a2b23566ba25df372cf1a9", + "080955765db84bb6cbf178879f489c4e2369397626a6ecb3debedb94a9d0b3ce", ], EditorKind::Helix => &[ "2d3069b8cf1b977e5d4023965eb6199597755e6c96c185ed5f2854f98b83d233", "6736d61409fbebba0933afd2e4c44ff2f97c1cb36cf0299a7f4a7819b8775040", "f252dcc30ca85a193a699581e5e929d5bd6c19d40d7a7ade5e257a9517a124a5", + "198c195ed0c070d15907b279b8b4ea96198ca71b939f5376454f3d636ab54da5", ], EditorKind::Vim | EditorKind::VsCode => &[ "ea67e259dedf60d4429b6c349a564ffcd1563cf41c920a856d1f5b16b4701ac8", @@ -604,11 +606,13 @@ Select which editor you would like to set up [default: None]: "; "c394386e6133bbf29ffd32c8af0bb3d4aac354cba9ee051f29612aa9350f8f8d", "e53e9129ca5ee5dcbd6ec8b68c2d87376474eb154992deba3c6d9ab1703e0717", "f954316090936c7e590c253ca9d524008375882fa13c5b41d7e2547a896ff893", + "701b73751efd7abd6487f2c79348dab698af7ac4427b79fa3d2087c867144b12", ], EditorKind::Zed => &[ "bbce727c269d1bd0c98afef4d612eb4ce27aea3c3a8968c5f10b31affbc40b6c", "a5380cf5dd9328731aecc5dfb240d16dac46ed272126b9728006151ef42f5909", "2e96bf0d443852b12f016c8fc9840ab3d0a2b4fe0b0fb3a157e8d74d5e7e0e26", + "4fadd4c87389a601a27db0d3d74a142fa3a2e656ae78982e934dbe24bee32ad6", ], } } @@ -668,10 +672,10 @@ impl Step for Editor { if run.builder.config.dry_run() { return; } - if let [cmd] = &run.paths[..] { - if cmd.assert_single_path().path.as_path().as_os_str() == "editor" { - run.builder.ensure(Editor); - } + if let [cmd] = &run.paths[..] + && cmd.assert_single_path().path.as_path().as_os_str() == "editor" + { + run.builder.ensure(Editor); } } diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index b2dc509ddca..22ab3e56a9c 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -739,7 +739,7 @@ impl Step for Clippy { const DEFAULT: bool = false; fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { - run.path("src/tools/clippy") + run.suite_path("src/tools/clippy/tests").path("src/tools/clippy") } fn make_run(run: RunConfig<'_>) { @@ -783,6 +783,23 @@ impl Step for Clippy { let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir()); cargo.env("HOST_LIBS", host_libs); + // Collect paths of tests to run + 'partially_test: { + let paths = &builder.config.paths[..]; + let mut test_names = Vec::new(); + for path in paths { + if let Some(path) = + helpers::is_valid_test_suite_arg(path, "src/tools/clippy/tests", builder) + { + test_names.push(path); + } else if path.ends_with("src/tools/clippy") { + // When src/tools/clippy is called directly, all tests should be run. + break 'partially_test; + } + } + cargo.env("TESTNAME", test_names.join(",")); + } + cargo.add_rustc_lib_path(builder); let cargo = prepare_cargo_test(cargo, &[], &[], host, builder); @@ -1559,7 +1576,7 @@ impl Step for Compiletest { if builder.top_stage == 0 && env::var("COMPILETEST_FORCE_STAGE0").is_err() { eprintln!("\ -ERROR: `--stage 0` runs compiletest on the beta compiler, not your local changes, and will almost always cause tests to fail +ERROR: `--stage 0` runs compiletest on the stage0 (precompiled) compiler, not your local changes, and will almost always cause tests to fail HELP: to test the compiler, use `--stage 1` instead HELP: to test the standard library, use `--stage 0 library/std` instead NOTE: if you're sure you want to do this, please open an issue as to why. In the meantime, you can override this with `COMPILETEST_FORCE_STAGE0=1`." @@ -1587,9 +1604,9 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the // NOTE: Only stage 1 is special cased because we need the rustc_private artifacts to match the // running compiler in stage 2 when plugins run. let (stage, stage_id) = if suite == "ui-fulldeps" && compiler.stage == 1 { - // At stage 0 (stage - 1) we are using the beta compiler. Using `self.target` can lead - // finding an incorrect compiler path on cross-targets, as the stage 0 beta compiler is - // always equal to `build.build` in the configuration. + // At stage 0 (stage - 1) we are using the stage0 compiler. Using `self.target` can lead + // finding an incorrect compiler path on cross-targets, as the stage 0 is always equal to + // `build.build` in the configuration. let build = builder.build.build; compiler = builder.compiler(compiler.stage - 1, build); let test_stage = compiler.stage + 1; @@ -1675,7 +1692,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the } if mode == "rustdoc-json" { - // Use the beta compiler for jsondocck + // Use the stage0 compiler for jsondocck let json_compiler = compiler.with_stage(0); cmd.arg("--jsondocck-path") .arg(builder.ensure(tool::JsonDocCk { compiler: json_compiler, target }).tool_path); @@ -2400,10 +2417,10 @@ impl Step for ErrorIndex { } fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) -> bool { - if let Ok(contents) = fs::read_to_string(markdown) { - if !contents.contains("```") { - return true; - } + if let Ok(contents) = fs::read_to_string(markdown) + && !contents.contains("```") + { + return true; } builder.verbose(|| println!("doc tests for: {}", markdown.display())); @@ -2947,7 +2964,14 @@ impl Step for Distcheck { run.builder.ensure(Distcheck); } - /// Runs "distcheck", a 'make check' from a tarball + /// Runs `distcheck`, which is a collection of smoke tests: + /// + /// - Run `make check` from an unpacked dist tarball to make sure we can at the minimum run + /// check steps from those sources. + /// - Check that selected dist components (`rust-src` only at the moment) at least have expected + /// directory shape and crate manifests that cargo can generate a lockfile from. + /// + /// FIXME(#136822): dist components are under-tested. fn run(self, builder: &Builder<'_>) { builder.info("Distcheck"); let dir = builder.tempdir().join("distcheck"); @@ -3554,7 +3578,7 @@ impl Step for TestFloatParse { builder.ensure(tool::TestFloatParse { host: self.host }); // Run any unit tests in the crate - let cargo_test = tool::prepare_tool_cargo( + let mut cargo_test = tool::prepare_tool_cargo( builder, compiler, Mode::ToolStd, @@ -3564,6 +3588,7 @@ impl Step for TestFloatParse { SourceType::InTree, &[], ); + cargo_test.allow_features(tool::TestFloatParse::ALLOW_FEATURES); run_cargo_test(cargo_test, &[], &[], crate_name, bootstrap_host, builder); @@ -3578,6 +3603,7 @@ impl Step for TestFloatParse { SourceType::InTree, &[], ); + cargo_run.allow_features(tool::TestFloatParse::ALLOW_FEATURES); if !matches!(env::var("FLOAT_PARSE_TESTS_NO_SKIP_HUGE").as_deref(), Ok("1") | Ok("true")) { cargo_run.args(["--", "--skip-huge"]); diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index ac568eab2e8..173b3ff0816 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -329,9 +329,9 @@ pub(crate) fn get_tool_rustc_compiler( return target_compiler; } - if builder.download_rustc() && target_compiler.stage > 0 { - // We already have the stage N compiler, we don't need to cut the stage. - return builder.compiler(target_compiler.stage, builder.config.build); + if builder.download_rustc() && target_compiler.stage == 1 { + // We shouldn't drop to stage0 compiler when using CI rustc. + return builder.compiler(1, builder.config.build); } // Similar to `compile::Assemble`, build with the previous stage's compiler. Otherwise @@ -1197,9 +1197,9 @@ fn run_tool_build_step( artifact_kind: ToolArtifactKind::Binary, }); - // FIXME: This should just be an if-let-chain, but those are unstable. - if let Some(add_bins_to_sysroot) = - add_bins_to_sysroot.filter(|bins| !bins.is_empty() && target_compiler.stage > 0) + if let Some(add_bins_to_sysroot) = add_bins_to_sysroot + && !add_bins_to_sysroot.is_empty() + && target_compiler.stage > 0 { let bindir = builder.sysroot(target_compiler).join("bin"); t!(fs::create_dir_all(&bindir)); @@ -1259,6 +1259,10 @@ pub struct TestFloatParse { pub host: TargetSelection, } +impl TestFloatParse { + pub const ALLOW_FEATURES: &'static str = "f16,cfg_target_has_reliable_f16_f128"; +} + impl Step for TestFloatParse { type Output = ToolBuildResult; const ONLY_HOSTS: bool = true; @@ -1280,7 +1284,7 @@ impl Step for TestFloatParse { path: "src/etc/test-float-parse", source_type: SourceType::InTree, extra_features: Vec::new(), - allow_features: "", + allow_features: Self::ALLOW_FEATURES, cargo_args: Vec::new(), artifact_kind: ToolArtifactKind::Binary, }) diff --git a/src/bootstrap/src/core/builder/cargo.rs b/src/bootstrap/src/core/builder/cargo.rs index e41f6f16b02..1e9af68a92d 100644 --- a/src/bootstrap/src/core/builder/cargo.rs +++ b/src/bootstrap/src/core/builder/cargo.rs @@ -988,15 +988,15 @@ impl Builder<'_> { // requirement, but the `-L` library path is not propagated across // separate Cargo projects. We can add LLVM's library path to the // rustc args as a workaround. - if mode == Mode::ToolRustc || mode == Mode::Codegen { - if let Some(llvm_config) = self.llvm_config(target) { - let llvm_libdir = - command(llvm_config).arg("--libdir").run_capture_stdout(self).stdout(); - if target.is_msvc() { - rustflags.arg(&format!("-Clink-arg=-LIBPATH:{llvm_libdir}")); - } else { - rustflags.arg(&format!("-Clink-arg=-L{llvm_libdir}")); - } + if (mode == Mode::ToolRustc || mode == Mode::Codegen) + && let Some(llvm_config) = self.llvm_config(target) + { + let llvm_libdir = + command(llvm_config).arg("--libdir").run_capture_stdout(self).stdout(); + if target.is_msvc() { + rustflags.arg(&format!("-Clink-arg=-LIBPATH:{llvm_libdir}")); + } else { + rustflags.arg(&format!("-Clink-arg=-L{llvm_libdir}")); } } @@ -1004,7 +1004,12 @@ impl Builder<'_> { // efficient initial-exec TLS model. This doesn't work with `dlopen`, // so we can't use it by default in general, but we can use it for tools // and our own internal libraries. - if !mode.must_support_dlopen() && !target.triple.starts_with("powerpc-") { + // + // Cygwin only supports emutls. + if !mode.must_support_dlopen() + && !target.triple.starts_with("powerpc-") + && !target.triple.contains("cygwin") + { cargo.env("RUSTC_TLS_MODEL_INITIAL_EXEC", "1"); } @@ -1226,12 +1231,11 @@ impl Builder<'_> { _ => None, }; - if let Some(limit) = limit { - if stage == 0 - || self.config.default_codegen_backend(target).unwrap_or_default() == "llvm" - { - rustflags.arg(&format!("-Cllvm-args=-import-instr-limit={limit}")); - } + if let Some(limit) = limit + && (stage == 0 + || self.config.default_codegen_backend(target).unwrap_or_default() == "llvm") + { + rustflags.arg(&format!("-Cllvm-args=-import-instr-limit={limit}")); } } diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs index cc4fa953ddc..af3e3cc37b9 100644 --- a/src/bootstrap/src/core/builder/mod.rs +++ b/src/bootstrap/src/core/builder/mod.rs @@ -1388,7 +1388,7 @@ impl<'a> Builder<'a> { // Windows doesn't need dylib path munging because the dlls for the // compiler live next to the compiler and the system will find them // automatically. - if cfg!(windows) { + if cfg!(any(windows, target_os = "cygwin")) { return; } diff --git a/src/bootstrap/src/core/builder/tests.rs b/src/bootstrap/src/core/builder/tests.rs index 51852099dc3..baa22fc7f72 100644 --- a/src/bootstrap/src/core/builder/tests.rs +++ b/src/bootstrap/src/core/builder/tests.rs @@ -237,7 +237,7 @@ fn alias_and_path_for_library() { ); assert_eq!( first(cache.all::<doc::Std>()), - &[doc_std!(TEST_TRIPLE_1 => TEST_TRIPLE_1, stage = 0)] + &[doc_std!(TEST_TRIPLE_1 => TEST_TRIPLE_1, stage = 1)] ); } @@ -255,19 +255,6 @@ fn ci_rustc_if_unchanged_invalidate_on_compiler_changes() { } #[test] -fn ci_rustc_if_unchanged_invalidate_on_library_changes_in_ci() { - git_test(|ctx| { - prepare_rustc_checkout(ctx); - ctx.create_upstream_merge(&["compiler/bar"]); - // This change should invalidate download-ci-rustc - ctx.create_nonupstream_merge(&["library/foo"]); - - let config = parse_config_download_rustc_at(ctx.get_path(), "if-unchanged", true); - assert_eq!(config.download_rustc_commit, None); - }); -} - -#[test] fn ci_rustc_if_unchanged_do_not_invalidate_on_library_changes_outside_ci() { git_test(|ctx| { prepare_rustc_checkout(ctx); @@ -433,14 +420,14 @@ mod defaults { assert_eq!(first(cache.all::<doc::ErrorIndex>()), &[doc::ErrorIndex { target: a },]); assert_eq!( first(cache.all::<tool::ErrorIndex>()), - &[tool::ErrorIndex { compiler: Compiler::new(0, a) }] + &[tool::ErrorIndex { compiler: Compiler::new(1, a) }] ); - // docs should be built with the beta compiler, not with the stage0 artifacts. + // docs should be built with the stage0 compiler, not with the stage0 artifacts. // recall that rustdoc is off-by-one: `stage` is the compiler rustdoc is _linked_ to, // not the one it was built by. assert_eq!( first(cache.all::<tool::Rustdoc>()), - &[tool::Rustdoc { compiler: Compiler::new(0, a) },] + &[tool::Rustdoc { compiler: Compiler::new(1, a) },] ); } } diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 3b8c3655b8d..899ffde8adf 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -45,6 +45,7 @@ use crate::utils::helpers::{self, exe, output, t}; /// final output/compiler, which can be significantly affected by changes made to the bootstrap sources. #[rustfmt::skip] // We don't want rustfmt to oneline this list pub(crate) const RUSTC_IF_UNCHANGED_ALLOWED_PATHS: &[&str] = &[ + ":!library", ":!src/tools", ":!src/librustdoc", ":!src/rustdoc-json-types", @@ -1699,20 +1700,20 @@ impl Config { }; // We want to be able to set string values without quotes, // like in `configure.py`. Try adding quotes around the right hand side - if let Some((key, value)) = option.split_once('=') { - if !value.contains('"') { - match get_table(&format!(r#"{key}="{value}""#)) { - Ok(v) => { - override_toml.merge( - None, - &mut Default::default(), - v, - ReplaceOpt::ErrorOnDuplicate, - ); - continue; - } - Err(e) => err = e, + if let Some((key, value)) = option.split_once('=') + && !value.contains('"') + { + match get_table(&format!(r#"{key}="{value}""#)) { + Ok(v) => { + override_toml.merge( + None, + &mut Default::default(), + v, + ReplaceOpt::ErrorOnDuplicate, + ); + continue; } + Err(e) => err = e, } } eprintln!("failed to parse override `{option}`: `{err}"); @@ -1832,7 +1833,9 @@ impl Config { .join(exe("rustc", config.build)) }; - config.initial_sysroot = config.initial_rustc.ancestors().nth(2).unwrap().into(); + config.initial_sysroot = t!(PathBuf::from_str( + output(Command::new(&config.initial_rustc).args(["--print", "sysroot"])).trim() + )); config.initial_cargo_clippy = cargo_clippy; @@ -2054,16 +2057,15 @@ impl Config { || (matches!(debug_toml, Some(true)) && !matches!(rustc_debug_assertions_toml, Some(false))); - if debug_assertions_requested { - if let Some(ref opt) = download_rustc { - if opt.is_string_or_true() { - eprintln!( - "WARN: currently no CI rustc builds have rustc debug assertions \ + if debug_assertions_requested + && let Some(ref opt) = download_rustc + && opt.is_string_or_true() + { + eprintln!( + "WARN: currently no CI rustc builds have rustc debug assertions \ enabled. Please either set `rust.debug-assertions` to `false` if you \ want to use download CI rustc or set `rust.download-rustc` to `false`." - ); - } - } + ); } config.download_rustc_commit = config.download_ci_rustc_commit( @@ -2174,19 +2176,17 @@ impl Config { // We need to override `rust.channel` if it's manually specified when using the CI rustc. // This is because if the compiler uses a different channel than the one specified in bootstrap.toml, // tests may fail due to using a different channel than the one used by the compiler during tests. - if let Some(commit) = &config.download_rustc_commit { - if is_user_configured_rust_channel { - println!( - "WARNING: `rust.download-rustc` is enabled. The `rust.channel` option will be overridden by the CI rustc's channel." - ); + if let Some(commit) = &config.download_rustc_commit + && is_user_configured_rust_channel + { + println!( + "WARNING: `rust.download-rustc` is enabled. The `rust.channel` option will be overridden by the CI rustc's channel." + ); - let channel = config - .read_file_by_commit(Path::new("src/ci/channel"), commit) - .trim() - .to_owned(); + let channel = + config.read_file_by_commit(Path::new("src/ci/channel"), commit).trim().to_owned(); - config.channel = channel; - } + config.channel = channel; } if let Some(llvm) = toml.llvm { @@ -2531,10 +2531,12 @@ impl Config { || bench_stage.is_some(); // See https://github.com/rust-lang/compiler-team/issues/326 config.stage = match config.cmd { - Subcommand::Check { .. } => flags.stage.or(check_stage).unwrap_or(0), + Subcommand::Check { .. } | Subcommand::Clippy { .. } | Subcommand::Fix => { + flags.stage.or(check_stage).unwrap_or(1) + } // `download-rustc` only has a speed-up for stage2 builds. Default to stage2 unless explicitly overridden. Subcommand::Doc { .. } => { - flags.stage.or(doc_stage).unwrap_or(if download_rustc { 2 } else { 0 }) + flags.stage.or(doc_stage).unwrap_or(if download_rustc { 2 } else { 1 }) } Subcommand::Build => { flags.stage.or(build_stage).unwrap_or(if download_rustc { 2 } else { 1 }) @@ -2549,8 +2551,6 @@ impl Config { // These are all bootstrap tools, which don't depend on the compiler. // The stage we pass shouldn't matter, but use 0 just in case. Subcommand::Clean { .. } - | Subcommand::Clippy { .. } - | Subcommand::Fix | Subcommand::Run { .. } | Subcommand::Setup { .. } | Subcommand::Format { .. } @@ -2696,10 +2696,10 @@ impl Config { let bindir = &self.bindir; if bindir.is_absolute() { // Try to make it relative to the prefix. - if let Some(prefix) = &self.prefix { - if let Ok(stripped) = bindir.strip_prefix(prefix) { - return stripped; - } + if let Some(prefix) = &self.prefix + && let Ok(stripped) = bindir.strip_prefix(prefix) + { + return stripped; } } bindir @@ -3148,24 +3148,10 @@ impl Config { } }; - // RUSTC_IF_UNCHANGED_ALLOWED_PATHS - let mut allowed_paths = RUSTC_IF_UNCHANGED_ALLOWED_PATHS.to_vec(); - - // In CI, disable ci-rustc if there are changes in the library tree. But for non-CI, allow - // these changes to speed up the build process for library developers. This provides consistent - // functionality for library developers between `download-rustc=true` and `download-rustc="if-unchanged"` - // options. - // - // If you update "library" logic here, update `builder::tests::ci_rustc_if_unchanged_logic` test - // logic accordingly. - if !self.is_running_on_ci { - allowed_paths.push(":!library"); - } - let commit = if self.rust_info.is_managed_git_subrepository() { // Look for a version to compare to based on the current commit. // Only commits merged by bors will have CI artifacts. - let freshness = self.check_path_modifications(&allowed_paths); + let freshness = self.check_path_modifications(RUSTC_IF_UNCHANGED_ALLOWED_PATHS); self.verbose(|| { eprintln!("rustc freshness: {freshness:?}"); }); @@ -3491,19 +3477,19 @@ fn check_incompatible_options_for_ci_rustc( // We always build the in-tree compiler on cross targets, so we only care // about the host target here. let host_str = host.to_string(); - if let Some(current_cfg) = current_config_toml.target.as_ref().and_then(|c| c.get(&host_str)) { - if current_cfg.profiler.is_some() { - let ci_target_toml = ci_config_toml.target.as_ref().and_then(|c| c.get(&host_str)); - let ci_cfg = ci_target_toml.ok_or(format!( - "Target specific config for '{host_str}' is not present for CI-rustc" - ))?; + if let Some(current_cfg) = current_config_toml.target.as_ref().and_then(|c| c.get(&host_str)) + && current_cfg.profiler.is_some() + { + let ci_target_toml = ci_config_toml.target.as_ref().and_then(|c| c.get(&host_str)); + let ci_cfg = ci_target_toml.ok_or(format!( + "Target specific config for '{host_str}' is not present for CI-rustc" + ))?; - let profiler = &ci_cfg.profiler; - err!(current_cfg.profiler, profiler, "build"); + let profiler = &ci_cfg.profiler; + err!(current_cfg.profiler, profiler, "build"); - let optimized_compiler_builtins = &ci_cfg.optimized_compiler_builtins; - err!(current_cfg.optimized_compiler_builtins, optimized_compiler_builtins, "build"); - } + let optimized_compiler_builtins = &ci_cfg.optimized_compiler_builtins; + err!(current_cfg.optimized_compiler_builtins, optimized_compiler_builtins, "build"); } let (Some(current_rust_config), Some(ci_rust_config)) = diff --git a/src/bootstrap/src/core/download.rs b/src/bootstrap/src/core/download.rs index e0c9877cd55..d942334d1c3 100644 --- a/src/bootstrap/src/core/download.rs +++ b/src/bootstrap/src/core/download.rs @@ -666,7 +666,7 @@ impl Config { } }; - // For the beta compiler, put special effort into ensuring the checksums are valid. + // For the stage0 compiler, put special effort into ensuring the checksums are valid. let checksum = if should_verify { let error = format!( "src/stage0 doesn't contain a checksum for {url}. \ @@ -709,10 +709,10 @@ download-rustc = false "; } self.download_file(&format!("{base_url}/{url}"), &tarball, help_on_error); - if let Some(sha256) = checksum { - if !self.verify(&tarball, sha256) { - panic!("failed to verify {}", tarball.display()); - } + if let Some(sha256) = checksum + && !self.verify(&tarball, sha256) + { + panic!("failed to verify {}", tarball.display()); } self.unpack(&tarball, &bin_root, prefix); diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index eb7e3799a68..af4ec679d08 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -13,7 +13,6 @@ use std::ffi::{OsStr, OsString}; use std::path::PathBuf; use std::{env, fs}; -use crate::Build; #[cfg(not(test))] use crate::builder::Builder; use crate::builder::Kind; @@ -21,6 +20,7 @@ use crate::builder::Kind; use crate::core::build_steps::tool; use crate::core::config::Target; use crate::utils::exec::command; +use crate::{Build, Subcommand}; pub struct Finder { cache: HashMap<OsString, Option<PathBuf>>, @@ -205,6 +205,20 @@ than building it. .map(|s| s.to_string()) .collect(); + // Compiler tools like `cc` and `ar` are not configured for cross-targets on certain subcommands + // because they are not needed. + // + // See `cc_detect::find` for more details. + let skip_tools_checks = build.config.dry_run() + || matches!( + build.config.cmd, + Subcommand::Clean { .. } + | Subcommand::Check { .. } + | Subcommand::Suggest { .. } + | Subcommand::Format { .. } + | Subcommand::Setup { .. } + ); + // We're gonna build some custom C code here and there, host triples // also build some C++ shims for LLVM so we need a C++ compiler. for target in &build.targets { @@ -278,7 +292,7 @@ than building it. } } - if !build.config.dry_run() { + if !skip_tools_checks { cmd_finder.must_have(build.cc(*target)); if let Some(ar) = build.ar(*target) { cmd_finder.must_have(ar); @@ -286,7 +300,7 @@ than building it. } } - if !build.config.dry_run() { + if !skip_tools_checks { for host in &build.hosts { cmd_finder.must_have(build.cxx(*host).unwrap()); diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 9492ffaed75..e4643653d97 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -363,19 +363,35 @@ impl Build { let in_tree_llvm_info = config.in_tree_llvm_info.clone(); let in_tree_gcc_info = config.in_tree_gcc_info.clone(); - let initial_target_libdir_str = - config.initial_sysroot.join("lib/rustlib").join(config.build).join("lib"); + let initial_target_libdir = + output(Command::new(&config.initial_rustc).args(["--print", "target-libdir"])) + .trim() + .to_owned(); + + let initial_target_dir = Path::new(&initial_target_libdir) + .parent() + .unwrap_or_else(|| panic!("{initial_target_libdir} has no parent")); - let initial_target_dir = Path::new(&initial_target_libdir_str).parent().unwrap(); let initial_lld = initial_target_dir.join("bin").join("rust-lld"); - let initial_relative_libdir = initial_target_dir - .ancestors() - .nth(2) - .unwrap() - .strip_prefix(&config.initial_sysroot) - .expect("Couldn’t determine initial relative libdir.") - .to_path_buf(); + let initial_relative_libdir = if cfg!(test) { + // On tests, bootstrap uses the shim rustc, not the one from the stage0 toolchain. + PathBuf::default() + } else { + let ancestor = initial_target_dir.ancestors().nth(2).unwrap_or_else(|| { + panic!("Not enough ancestors for {}", initial_target_dir.display()) + }); + + ancestor + .strip_prefix(&config.initial_sysroot) + .unwrap_or_else(|_| { + panic!( + "Couldn’t resolve the initial relative libdir from {}", + initial_target_dir.display() + ) + }) + .to_path_buf() + }; let version = std::fs::read_to_string(src.join("src").join("version")) .expect("failed to read src/version"); @@ -1435,23 +1451,23 @@ Executed at: {executed_at}"#, // Look for Wasmtime, and for its default options be sure to disable // its caching system since we're executing quite a lot of tests and // ideally shouldn't pollute the cache too much. - if let Some(path) = finder.maybe_have("wasmtime") { - if let Ok(mut path) = path.into_os_string().into_string() { - path.push_str(" run -C cache=n --dir ."); - // Make sure that tests have access to RUSTC_BOOTSTRAP. This (for example) is - // required for libtest to work on beta/stable channels. - // - // NB: with Wasmtime 20 this can change to `-S inherit-env` to - // inherit the entire environment rather than just this single - // environment variable. - path.push_str(" --env RUSTC_BOOTSTRAP"); - - if target.contains("wasip2") { - path.push_str(" --wasi inherit-network --wasi allow-ip-name-lookup"); - } - - return Some(path); + if let Some(path) = finder.maybe_have("wasmtime") + && let Ok(mut path) = path.into_os_string().into_string() + { + path.push_str(" run -C cache=n --dir ."); + // Make sure that tests have access to RUSTC_BOOTSTRAP. This (for example) is + // required for libtest to work on beta/stable channels. + // + // NB: with Wasmtime 20 this can change to `-S inherit-env` to + // inherit the entire environment rather than just this single + // environment variable. + path.push_str(" --env RUSTC_BOOTSTRAP"); + + if target.contains("wasip2") { + path.push_str(" --wasi inherit-network --wasi allow-ip-name-lookup"); } + + return Some(path); } None @@ -1621,12 +1637,12 @@ Executed at: {executed_at}"#, /// sha, version, etc. fn rust_version(&self) -> String { let mut version = self.rust_info().version(self, &self.version); - if let Some(ref s) = self.config.description { - if !s.is_empty() { - version.push_str(" ("); - version.push_str(s); - version.push(')'); - } + if let Some(ref s) = self.config.description + && !s.is_empty() + { + version.push_str(" ("); + version.push_str(s); + version.push(')'); } version } @@ -1744,14 +1760,14 @@ Executed at: {executed_at}"#, pub fn copy_link(&self, src: &Path, dst: &Path, file_type: FileType) { self.copy_link_internal(src, dst, false); - if file_type.could_have_split_debuginfo() { - if let Some(dbg_file) = split_debuginfo(src) { - self.copy_link_internal( - &dbg_file, - &dst.with_extension(dbg_file.extension().unwrap()), - false, - ); - } + if file_type.could_have_split_debuginfo() + && let Some(dbg_file) = split_debuginfo(src) + { + self.copy_link_internal( + &dbg_file, + &dst.with_extension(dbg_file.extension().unwrap()), + false, + ); } } @@ -1763,13 +1779,14 @@ Executed at: {executed_at}"#, if src == dst { return; } - if let Err(e) = fs::remove_file(dst) { - if cfg!(windows) && e.kind() != io::ErrorKind::NotFound { - // workaround for https://github.com/rust-lang/rust/issues/127126 - // if removing the file fails, attempt to rename it instead. - let now = t!(SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)); - let _ = fs::rename(dst, format!("{}-{}", dst.display(), now.as_nanos())); - } + if let Err(e) = fs::remove_file(dst) + && cfg!(windows) + && e.kind() != io::ErrorKind::NotFound + { + // workaround for https://github.com/rust-lang/rust/issues/127126 + // if removing the file fails, attempt to rename it instead. + let now = t!(SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)); + let _ = fs::rename(dst, format!("{}-{}", dst.display(), now.as_nanos())); } let metadata = t!(src.symlink_metadata(), format!("src = {}", src.display())); let mut src = src.to_path_buf(); @@ -1878,10 +1895,10 @@ Executed at: {executed_at}"#, chmod(&dst, file_type.perms()); // If this file can have debuginfo, look for split debuginfo and install it too. - if file_type.could_have_split_debuginfo() { - if let Some(dbg_file) = split_debuginfo(src) { - self.install(&dbg_file, dstdir, FileType::Regular); - } + if file_type.could_have_split_debuginfo() + && let Some(dbg_file) = split_debuginfo(src) + { + self.install(&dbg_file, dstdir, FileType::Regular); } } diff --git a/src/bootstrap/src/utils/cache.rs b/src/bootstrap/src/utils/cache.rs index 1c8cc4025df..46eeffad88c 100644 --- a/src/bootstrap/src/utils/cache.rs +++ b/src/bootstrap/src/utils/cache.rs @@ -20,7 +20,6 @@ use std::collections::HashMap; use std::hash::{Hash, Hasher}; use std::marker::PhantomData; use std::ops::Deref; -use std::path::PathBuf; use std::sync::{LazyLock, Mutex}; use std::{fmt, mem}; @@ -51,26 +50,11 @@ impl<T> PartialEq for Interned<T> { } impl<T> Eq for Interned<T> {} -impl PartialEq<str> for Interned<String> { - fn eq(&self, other: &str) -> bool { - *self == other - } -} impl PartialEq<&str> for Interned<String> { fn eq(&self, other: &&str) -> bool { **self == **other } } -impl<T> PartialEq<&Interned<T>> for Interned<T> { - fn eq(&self, other: &&Self) -> bool { - self.0 == other.0 - } -} -impl<T> PartialEq<Interned<T>> for &Interned<T> { - fn eq(&self, other: &Interned<T>) -> bool { - self.0 == other.0 - } -} unsafe impl<T> Send for Interned<T> {} unsafe impl<T> Sync for Interned<T> {} @@ -188,8 +172,6 @@ impl<T: Hash + Clone + Eq> TyIntern<T> { #[derive(Default)] pub struct Interner { strs: Mutex<TyIntern<String>>, - paths: Mutex<TyIntern<PathBuf>>, - lists: Mutex<TyIntern<Vec<String>>>, } /// Defines the behavior required for a type to be internable. @@ -210,18 +192,6 @@ impl Internable for String { } } -impl Internable for PathBuf { - fn intern_cache() -> &'static Mutex<TyIntern<Self>> { - &INTERNER.paths - } -} - -impl Internable for Vec<String> { - fn intern_cache() -> &'static Mutex<TyIntern<Self>> { - &INTERNER.lists - } -} - impl Interner { /// Interns a string reference, ensuring it is stored uniquely. /// diff --git a/src/bootstrap/src/utils/cache/tests.rs b/src/bootstrap/src/utils/cache/tests.rs index 28f5563a589..8562a35b3e0 100644 --- a/src/bootstrap/src/utils/cache/tests.rs +++ b/src/bootstrap/src/utils/cache/tests.rs @@ -13,26 +13,6 @@ fn test_string_interning() { } #[test] -fn test_path_interning() { - let p1 = PathBuf::from("/tmp/file").intern(); - let p2 = PathBuf::from("/tmp/file").intern(); - let p3 = PathBuf::from("/tmp/other").intern(); - - assert_eq!(p1, p2); - assert_ne!(p1, p3); -} - -#[test] -fn test_vec_interning() { - let v1 = vec!["a".to_string(), "b".to_string()].intern(); - let v2 = vec!["a".to_string(), "b".to_string()].intern(); - let v3 = vec!["c".to_string()].intern(); - - assert_eq!(v1, v2); - assert_ne!(v1, v3); -} - -#[test] fn test_interned_equality() { let s1 = INTERNER.intern_str("test"); let s2 = INTERNER.intern_str("test"); diff --git a/src/bootstrap/src/utils/cc_detect.rs b/src/bootstrap/src/utils/cc_detect.rs index ceac24d4315..5c9e30706ee 100644 --- a/src/bootstrap/src/utils/cc_detect.rs +++ b/src/bootstrap/src/utils/cc_detect.rs @@ -22,43 +22,13 @@ //! everything. use std::collections::HashSet; +use std::iter; use std::path::{Path, PathBuf}; -use std::{env, iter}; use crate::core::config::TargetSelection; use crate::utils::exec::{BootstrapCommand, command}; use crate::{Build, CLang, GitRepo}; -/// Finds archiver tool for the given target if possible. -/// FIXME(onur-ozkan): This logic should be replaced by calling into the `cc` crate. -fn cc2ar(cc: &Path, target: TargetSelection, default_ar: PathBuf) -> Option<PathBuf> { - if let Some(ar) = env::var_os(format!("AR_{}", target.triple.replace('-', "_"))) { - Some(PathBuf::from(ar)) - } else if let Some(ar) = env::var_os("AR") { - Some(PathBuf::from(ar)) - } else if target.is_msvc() { - None - } else if target.contains("musl") || target.contains("openbsd") { - Some(PathBuf::from("ar")) - } else if target.contains("vxworks") { - Some(PathBuf::from("wr-ar")) - } else if target.contains("-nto-") { - if target.starts_with("i586") { - Some(PathBuf::from("ntox86-ar")) - } else if target.starts_with("aarch64") { - Some(PathBuf::from("ntoaarch64-ar")) - } else if target.starts_with("x86_64") { - Some(PathBuf::from("ntox86_64-ar")) - } else { - panic!("Unknown architecture, cannot determine archiver for Neutrino QNX"); - } - } else if target.contains("android") || target.contains("-wasi") { - Some(cc.parent().unwrap().join(PathBuf::from("llvm-ar"))) - } else { - Some(default_ar) - } -} - /// Creates and configures a new [`cc::Build`] instance for the given target. fn new_cc_build(build: &Build, target: TargetSelection) -> cc::Build { let mut cfg = cc::Build::new(); @@ -140,7 +110,7 @@ pub fn find_target(build: &Build, target: TargetSelection) { let ar = if let ar @ Some(..) = config.and_then(|c| c.ar.clone()) { ar } else { - cc2ar(compiler.path(), target, PathBuf::from(cfg.get_archiver().get_program())) + cfg.try_get_archiver().map(|c| PathBuf::from(c.get_program())).ok() }; build.cc.borrow_mut().insert(target, compiler.clone()); diff --git a/src/bootstrap/src/utils/cc_detect/tests.rs b/src/bootstrap/src/utils/cc_detect/tests.rs index 43d61ce02c5..225fb7619b5 100644 --- a/src/bootstrap/src/utils/cc_detect/tests.rs +++ b/src/bootstrap/src/utils/cc_detect/tests.rs @@ -6,119 +6,6 @@ use crate::core::config::{Target, TargetSelection}; use crate::{Build, Config, Flags}; #[test] -fn test_cc2ar_env_specific() { - let triple = "x86_64-unknown-linux-gnu"; - let key = "AR_x86_64_unknown_linux_gnu"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::set_var(key, "custom-ar") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var(key) }; - assert_eq!(result, Some(PathBuf::from("custom-ar"))); -} - -#[test] -fn test_cc2ar_musl() { - let triple = "x86_64-unknown-linux-musl"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_x86_64_unknown_linux_musl") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - assert_eq!(result, Some(PathBuf::from("ar"))); -} - -#[test] -fn test_cc2ar_openbsd() { - let triple = "x86_64-unknown-openbsd"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_x86_64_unknown_openbsd") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/cc"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - assert_eq!(result, Some(PathBuf::from("ar"))); -} - -#[test] -fn test_cc2ar_vxworks() { - let triple = "armv7-wrs-vxworks"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_armv7_wrs_vxworks") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - assert_eq!(result, Some(PathBuf::from("wr-ar"))); -} - -#[test] -fn test_cc2ar_nto_i586() { - let triple = "i586-unknown-nto-something"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_i586_unknown_nto_something") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - assert_eq!(result, Some(PathBuf::from("ntox86-ar"))); -} - -#[test] -fn test_cc2ar_nto_aarch64() { - let triple = "aarch64-unknown-nto-something"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_aarch64_unknown_nto_something") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - assert_eq!(result, Some(PathBuf::from("ntoaarch64-ar"))); -} - -#[test] -fn test_cc2ar_nto_x86_64() { - let triple = "x86_64-unknown-nto-something"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_x86_64_unknown_nto_something") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let result = cc2ar(cc, target, default_ar); - assert_eq!(result, Some(PathBuf::from("ntox86_64-ar"))); -} - -#[test] -#[should_panic(expected = "Unknown architecture, cannot determine archiver for Neutrino QNX")] -fn test_cc2ar_nto_unknown() { - let triple = "powerpc-unknown-nto-something"; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR_powerpc_unknown_nto_something") }; - // SAFETY: bootstrap tests run on a single thread - unsafe { env::remove_var("AR") }; - let target = TargetSelection::from_user(triple); - let cc = Path::new("/usr/bin/clang"); - let default_ar = PathBuf::from("default-ar"); - let _ = cc2ar(cc, target, default_ar); -} - -#[test] fn test_ndk_compiler_c() { let ndk_path = PathBuf::from("/ndk"); let target_triple = "arm-unknown-linux-android"; diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs index 1d0ea3ebf61..459a34d14cc 100644 --- a/src/bootstrap/src/utils/change_tracker.rs +++ b/src/bootstrap/src/utils/change_tracker.rs @@ -46,10 +46,10 @@ pub fn find_recent_config_change_ids(current_id: usize) -> &'static [ChangeInfo] // an empty list (it may be due to switching from a recent branch to an // older one); otherwise, return the full list (assuming the user provided // the incorrect change-id by accident). - if let Some(config) = CONFIG_CHANGE_HISTORY.iter().max_by_key(|config| config.change_id) { - if current_id > config.change_id { - return &[]; - } + if let Some(config) = CONFIG_CHANGE_HISTORY.iter().max_by_key(|config| config.change_id) + && current_id > config.change_id + { + return &[]; } CONFIG_CHANGE_HISTORY @@ -411,4 +411,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[ severity: ChangeSeverity::Info, summary: "`./x run` now supports running in-tree `rustfmt`, e.g., `./x run rustfmt -- --check /path/to/file.rs`.", }, + ChangeInfo { + change_id: 119899, + severity: ChangeSeverity::Warning, + summary: "Stage0 library no longer matches the in-tree library, which means stage1 compiler now uses the beta library.", + }, ]; diff --git a/src/bootstrap/src/utils/exec.rs b/src/bootstrap/src/utils/exec.rs index d07300e21d0..64e46f10563 100644 --- a/src/bootstrap/src/utils/exec.rs +++ b/src/bootstrap/src/utils/exec.rs @@ -332,16 +332,19 @@ impl Default for CommandOutput { /// Helper trait to format both Command and BootstrapCommand as a short execution line, /// without all the other details (e.g. environment variables). +#[cfg(feature = "tracing")] pub trait FormatShortCmd { fn format_short_cmd(&self) -> String; } +#[cfg(feature = "tracing")] impl FormatShortCmd for BootstrapCommand { fn format_short_cmd(&self) -> String { self.command.format_short_cmd() } } +#[cfg(feature = "tracing")] impl FormatShortCmd for Command { fn format_short_cmd(&self) -> String { let program = Path::new(self.get_program()); diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index b29c1fb3889..f2c3e8c0df4 100644 --- a/src/bootstrap/src/utils/helpers.rs +++ b/src/bootstrap/src/utils/helpers.rs @@ -130,7 +130,7 @@ pub fn is_debug_info(name: &str) -> bool { /// Returns the corresponding relative library directory that the compiler's /// dylibs will be found in. pub fn libdir(target: TargetSelection) -> &'static str { - if target.is_windows() { "bin" } else { "lib" } + if target.is_windows() || target.contains("cygwin") { "bin" } else { "lib" } } /// Adds a list of lookup paths to `cmd`'s dynamic library lookup path. diff --git a/src/bootstrap/src/utils/job.rs b/src/bootstrap/src/utils/job.rs index 4949518de79..887deb41ca8 100644 --- a/src/bootstrap/src/utils/job.rs +++ b/src/bootstrap/src/utils/job.rs @@ -66,7 +66,6 @@ mod for_windows { // Enable the Windows Error Reporting dialog which msys disables, // so we can JIT debug rustc let mode = SetErrorMode(THREAD_ERROR_MODE::default()); - let mode = THREAD_ERROR_MODE(mode); SetErrorMode(mode & !SEM_NOGPFAULTERRORBOX); // Create a new job object for us to use diff --git a/src/bootstrap/src/utils/shared_helpers.rs b/src/bootstrap/src/utils/shared_helpers.rs index 1297a53d488..561af34a447 100644 --- a/src/bootstrap/src/utils/shared_helpers.rs +++ b/src/bootstrap/src/utils/shared_helpers.rs @@ -20,7 +20,7 @@ use std::str::FromStr; /// Returns the environment variable which the dynamic library lookup path /// resides in for this platform. pub fn dylib_path_var() -> &'static str { - if cfg!(target_os = "windows") { + if cfg!(any(target_os = "windows", target_os = "cygwin")) { "PATH" } else if cfg!(target_vendor = "apple") { "DYLD_LIBRARY_PATH" @@ -46,7 +46,16 @@ pub fn dylib_path() -> Vec<std::path::PathBuf> { /// Given an executable called `name`, return the filename for the /// executable for a particular target. pub fn exe(name: &str, target: &str) -> String { - if target.contains("windows") { + // On Cygwin, the decision to append .exe or not is not as straightforward. + // Executable files do actually have .exe extensions so on hosts other than + // Cygwin it is necessary. But on a Cygwin host there is magic happening + // that redirects requests for file X to file X.exe if it exists, and + // furthermore /proc/self/exe (and thus std::env::current_exe) always + // returns the name *without* the .exe extension. For comparisons against + // that to match, we therefore do not append .exe for Cygwin targets on + // a Cygwin host. + if target.contains("windows") || (cfg!(not(target_os = "cygwin")) && target.contains("cygwin")) + { format!("{name}.exe") } else if target.contains("uefi") { format!("{name}.efi") diff --git a/src/build_helper/src/lib.rs b/src/build_helper/src/lib.rs index dceb5fdeeea..1f5cf723641 100644 --- a/src/build_helper/src/lib.rs +++ b/src/build_helper/src/lib.rs @@ -10,23 +10,24 @@ pub mod util; /// The default set of crates for opt-dist to collect LLVM profiles. pub const LLVM_PGO_CRATES: &[&str] = &[ - "syn-1.0.89", - "cargo-0.60.0", - "serde-1.0.136", - "ripgrep-13.0.0", - "regex-1.5.5", - "clap-3.1.6", - "hyper-0.14.18", + "syn-2.0.101", + "cargo-0.87.1", + "serde-1.0.219", + "ripgrep-14.1.1", + "regex-automata-0.4.8", + "clap_derive-4.5.32", + "hyper-1.6.0", ]; /// The default set of crates for opt-dist to collect rustc profiles. pub const RUSTC_PGO_CRATES: &[&str] = &[ "externs", "ctfe-stress-5", - "cargo-0.60.0", + "cargo-0.87.1", "token-stream-stress", "match-stress", "tuple-stress", - "diesel-1.4.8", - "bitmaps-3.1.0", + "diesel-2.2.10", + "bitmaps-3.2.1", + "serde-1.0.219-new-solver", ]; diff --git a/src/ci/citool/Cargo.lock b/src/ci/citool/Cargo.lock index 43321d12caf..571f18e7cf1 100644 --- a/src/ci/citool/Cargo.lock +++ b/src/ci/citool/Cargo.lock @@ -66,9 +66,9 @@ checksum = "34ac096ce696dc2fcabef30516bb13c0a68a11d30131d3df6f04711467681b04" [[package]] name = "askama" -version = "0.13.1" +version = "0.14.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5d4744ed2eef2645831b441d8f5459689ade2ab27c854488fbab1fbe94fce1a7" +checksum = "f75363874b771be265f4ffe307ca705ef6f3baa19011c149da8674a87f1b75c4" dependencies = [ "askama_derive", "itoa", @@ -79,9 +79,9 @@ dependencies = [ [[package]] name = "askama_derive" -version = "0.13.1" +version = "0.14.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d661e0f57be36a5c14c48f78d09011e67e0cb618f269cca9f2fd8d15b68c46ac" +checksum = "129397200fe83088e8a68407a8e2b1f826cf0086b21ccdb866a722c8bcd3a94f" dependencies = [ "askama_parser", "basic-toml", @@ -96,9 +96,9 @@ dependencies = [ [[package]] name = "askama_parser" -version = "0.13.0" +version = "0.14.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cf315ce6524c857bb129ff794935cf6d42c82a6cff60526fe2a63593de4d0d4f" +checksum = "d6ab5630b3d5eaf232620167977f95eb51f3432fc76852328774afbd242d4358" dependencies = [ "memchr", "serde", diff --git a/src/ci/citool/Cargo.toml b/src/ci/citool/Cargo.toml index 0e2aba3b9e3..f61243a4d71 100644 --- a/src/ci/citool/Cargo.toml +++ b/src/ci/citool/Cargo.toml @@ -5,7 +5,7 @@ edition = "2021" [dependencies] anyhow = "1" -askama = "0.13" +askama = "0.14" clap = { version = "4.5", features = ["derive"] } csv = "1" diff = "0.1" diff --git a/src/ci/citool/src/jobs.rs b/src/ci/citool/src/jobs.rs index 5600d7b4db5..2884ae08ea8 100644 --- a/src/ci/citool/src/jobs.rs +++ b/src/ci/citool/src/jobs.rs @@ -13,7 +13,7 @@ use crate::utils::load_env_var; #[derive(serde::Deserialize, Debug, Clone)] #[serde(deny_unknown_fields)] pub struct Job { - /// Name of the job, e.g. mingw-check + /// Name of the job, e.g. mingw-check-1 pub name: String, /// GitHub runner on which the job should be executed pub os: String, @@ -85,14 +85,20 @@ impl JobDatabase { } pub fn load_job_db(db: &str) -> anyhow::Result<JobDatabase> { - let mut db: Value = serde_yaml::from_str(db)?; + let mut db: Value = serde_yaml::from_str(db).context("failed to parse YAML content")?; // We need to expand merge keys (<<), because serde_yaml can't deal with them // `apply_merge` only applies the merge once, so do it a few times to unwrap nested merges. - db.apply_merge()?; - db.apply_merge()?; - let db: JobDatabase = serde_yaml::from_value(db)?; + let apply_merge = |db: &mut Value| -> anyhow::Result<()> { + db.apply_merge().context("failed to apply merge keys") + }; + + // Apply merge twice to handle nested merges + apply_merge(&mut db)?; + apply_merge(&mut db)?; + + let db: JobDatabase = serde_yaml::from_value(db).context("failed to parse job database")?; Ok(db) } diff --git a/src/ci/citool/src/jobs/tests.rs b/src/ci/citool/src/jobs/tests.rs index a489656fa5d..ed5444d4333 100644 --- a/src/ci/citool/src/jobs/tests.rs +++ b/src/ci/citool/src/jobs/tests.rs @@ -1,4 +1,8 @@ +use std::path::Path; + +use super::Job; use crate::jobs::{JobDatabase, load_job_db}; +use crate::{DOCKER_DIRECTORY, JOBS_YML_PATH, utils}; #[test] fn lookup_job_pattern() { @@ -62,3 +66,65 @@ fn check_pattern(db: &JobDatabase, pattern: &str, expected: &[&str]) { assert_eq!(jobs, expected); } + +/// Validate that CodeBuild jobs use Docker images from ghcr.io registry. +/// This is needed because otherwise from CodeBuild we get rate limited by Docker Hub. +fn validate_codebuild_image(job: &Job) -> anyhow::Result<()> { + let is_job_on_codebuild = job.codebuild.unwrap_or(false); + if !is_job_on_codebuild { + // Jobs in GitHub Actions don't get rate limited by Docker Hub. + return Ok(()); + } + + let image_name = job.image(); + // we hardcode host-x86_64 here, because in codebuild we only run jobs for this architecture. + let dockerfile_path = + Path::new(DOCKER_DIRECTORY).join("host-x86_64").join(&image_name).join("Dockerfile"); + + if !dockerfile_path.exists() { + return Err(anyhow::anyhow!( + "Dockerfile not found for CodeBuild job '{}' at path: {}", + job.name, + dockerfile_path.display() + )); + } + + let dockerfile_content = utils::read_to_string(&dockerfile_path)?; + + // Check if all FROM statement uses ghcr.io registry + let has_ghcr_from = dockerfile_content + .lines() + .filter(|line| line.trim_start().to_lowercase().starts_with("from ")) + .all(|line| line.contains("ghcr.io")); + + if !has_ghcr_from { + return Err(anyhow::anyhow!( + "CodeBuild job '{}' must use ghcr.io registry in its Dockerfile FROM statement. \ + Dockerfile path: {dockerfile_path:?}", + job.name, + )); + } + + Ok(()) +} + +#[test] +fn validate_jobs() { + let db = { + let default_jobs_file = Path::new(JOBS_YML_PATH); + let db_str = utils::read_to_string(default_jobs_file).unwrap(); + load_job_db(&db_str).expect("Failed to load job database") + }; + + let all_jobs = + db.pr_jobs.iter().chain(db.try_jobs.iter()).chain(db.auto_jobs.iter()).collect::<Vec<_>>(); + + let errors: Vec<anyhow::Error> = + all_jobs.into_iter().filter_map(|job| validate_codebuild_image(job).err()).collect(); + + if !errors.is_empty() { + let error_messages = + errors.into_iter().map(|e| format!("- {e}")).collect::<Vec<_>>().join("\n"); + panic!("Job validation failed:\n{error_messages}"); + } +} diff --git a/src/ci/citool/src/main.rs b/src/ci/citool/src/main.rs index 87ce09cfb23..bb73a5ef909 100644 --- a/src/ci/citool/src/main.rs +++ b/src/ci/citool/src/main.rs @@ -27,7 +27,7 @@ use crate::test_dashboard::generate_test_dashboard; use crate::utils::{load_env_var, output_details}; const CI_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/.."); -const DOCKER_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../docker"); +pub const DOCKER_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../docker"); const JOBS_YML_PATH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../github-actions/jobs.yml"); struct GitHubContext { diff --git a/src/ci/citool/tests/jobs.rs b/src/ci/citool/tests/jobs.rs index c644f885be3..fcdca899e06 100644 --- a/src/ci/citool/tests/jobs.rs +++ b/src/ci/citool/tests/jobs.rs @@ -40,7 +40,7 @@ try-job: dist-i686-msvc"#, fn pr_jobs() { let stdout = get_matrix("pull_request", "commit", "refs/heads/pr/1234"); insta::assert_snapshot!(stdout, @r#" - jobs=[{"name":"mingw-check","full_name":"PR - mingw-check","os":"ubuntu-24.04","env":{"PR_CI_JOB":1},"free_disk":true},{"name":"mingw-check-tidy","full_name":"PR - mingw-check-tidy","os":"ubuntu-24.04","env":{"PR_CI_JOB":1},"continue_on_error":true,"free_disk":true,"doc_url":"https://foo.bar"}] + jobs=[{"name":"mingw-check-1","full_name":"PR - mingw-check-1","os":"ubuntu-24.04","env":{"PR_CI_JOB":1},"free_disk":true},{"name":"mingw-check-2","full_name":"PR - mingw-check-2","os":"ubuntu-24.04","env":{"PR_CI_JOB":1},"free_disk":true},{"name":"mingw-check-tidy","full_name":"PR - mingw-check-tidy","os":"ubuntu-24.04","env":{"PR_CI_JOB":1},"continue_on_error":true,"free_disk":true,"doc_url":"https://foo.bar"}] run_type=pr "#); } @@ -51,6 +51,8 @@ fn get_matrix(event_name: &str, commit_msg: &str, branch_ref: &str) -> String { .env("GITHUB_EVENT_NAME", event_name) .env("COMMIT_MESSAGE", commit_msg) .env("GITHUB_REF", branch_ref) + .env("GITHUB_RUN_ID", "123") + .env("GITHUB_RUN_ATTEMPT", "1") .stdout(Stdio::piped()) .output() .expect("Failed to execute command"); diff --git a/src/ci/citool/tests/test-jobs.yml b/src/ci/citool/tests/test-jobs.yml index d81be88b708..d262da11102 100644 --- a/src/ci/citool/tests/test-jobs.yml +++ b/src/ci/citool/tests/test-jobs.yml @@ -64,7 +64,9 @@ envs: # These jobs automatically inherit envs.pr, to avoid repeating # it in each job definition. pr: - - name: mingw-check + - name: mingw-check-1 + <<: *job-linux-4c + - name: mingw-check-2 <<: *job-linux-4c - name: mingw-check-tidy continue_on_error: true diff --git a/src/ci/docker/host-aarch64/aarch64-gnu-llvm-19/Dockerfile b/src/ci/docker/host-aarch64/aarch64-gnu-llvm-19/Dockerfile new file mode 100644 index 00000000000..2f9d0010573 --- /dev/null +++ b/src/ci/docker/host-aarch64/aarch64-gnu-llvm-19/Dockerfile @@ -0,0 +1,58 @@ +FROM ubuntu:24.10 + +ARG DEBIAN_FRONTEND=noninteractive + +RUN apt-get update && apt-get install -y --no-install-recommends \ + bzip2 \ + g++ \ + make \ + ninja-build \ + file \ + curl \ + ca-certificates \ + python3 \ + git \ + cmake \ + sudo \ + gdb \ + llvm-19-tools \ + llvm-19-dev \ + libedit-dev \ + libssl-dev \ + pkg-config \ + zlib1g-dev \ + xz-utils \ + nodejs \ + mingw-w64 \ + # libgccjit dependencies + flex \ + libmpfr-dev \ + libgmp-dev \ + libmpc3 \ + libmpc-dev \ + && rm -rf /var/lib/apt/lists/* + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh + +# We are disabling CI LLVM since this builder is intentionally using a host +# LLVM, rather than the typical src/llvm-project LLVM. +ENV NO_DOWNLOAD_CI_LLVM 1 +ENV EXTERNAL_LLVM 1 + +# Using llvm-link-shared due to libffi issues -- see #34486 +ENV RUST_CONFIGURE_ARGS \ + --build=aarch64-unknown-linux-gnu \ + --llvm-root=/usr/lib/llvm-19 \ + --enable-llvm-link-shared \ + --set rust.randomize-layout=true \ + --set rust.thin-lto-import-instr-limit=10 + +COPY scripts/shared.sh /scripts/ + +ARG SCRIPT_ARG + +COPY scripts/stage_2_test_set1.sh /tmp/ +COPY scripts/stage_2_test_set2.sh /tmp/ + +ENV SCRIPT "/tmp/${SCRIPT_ARG}" diff --git a/src/ci/docker/host-x86_64/arm-android/Dockerfile b/src/ci/docker/host-x86_64/arm-android/Dockerfile index aade9588268..bc311be0580 100644 --- a/src/ci/docker/host-x86_64/arm-android/Dockerfile +++ b/src/ci/docker/host-x86_64/arm-android/Dockerfile @@ -28,6 +28,7 @@ RUN /scripts/android-sdk.sh ENV PATH=$PATH:/android/sdk/emulator ENV PATH=$PATH:/android/sdk/tools ENV PATH=$PATH:/android/sdk/platform-tools +ENV PATH=$PATH:/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin ENV TARGETS=arm-linux-androideabi diff --git a/src/ci/docker/host-x86_64/dist-android/Dockerfile b/src/ci/docker/host-x86_64/dist-android/Dockerfile index 95fed6ee767..7b73326e359 100644 --- a/src/ci/docker/host-x86_64/dist-android/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-android/Dockerfile @@ -22,6 +22,8 @@ ENV RUST_CONFIGURE_ARGS \ --android-ndk=/android/ndk/ \ --disable-docs +ENV PATH=$PATH:/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin + ENV SCRIPT python3 ../x.py dist --host='' --target $TARGETS COPY scripts/sccache.sh /scripts/ diff --git a/src/ci/docker/host-x86_64/dist-arm-linux-gnueabi/Dockerfile b/src/ci/docker/host-x86_64/dist-arm-linux-gnueabi/Dockerfile new file mode 100644 index 00000000000..996dacd7124 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-arm-linux-gnueabi/Dockerfile @@ -0,0 +1,35 @@ +FROM ghcr.io/rust-lang/ubuntu:22.04 + +COPY scripts/cross-apt-packages.sh /scripts/ +RUN sh /scripts/cross-apt-packages.sh + +COPY scripts/crosstool-ng.sh /scripts/ +RUN sh /scripts/crosstool-ng.sh + +WORKDIR /build + +COPY scripts/rustbuild-setup.sh /scripts/ +RUN sh /scripts/rustbuild-setup.sh +WORKDIR /tmp + +COPY scripts/crosstool-ng-build.sh /scripts/ +COPY host-x86_64/dist-arm-linux-gnueabi/arm-linux-gnueabi.defconfig /tmp/crosstool.defconfig +RUN /scripts/crosstool-ng-build.sh + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh + +ENV PATH=$PATH:/x-tools/arm-unknown-linux-gnueabi/bin + +ENV CC_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-gcc \ + AR_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-ar \ + CXX_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-g++ + +ENV HOSTS=arm-unknown-linux-gnueabi + +ENV RUST_CONFIGURE_ARGS \ + --enable-full-tools \ + --disable-docs \ + --enable-sanitizers \ + --enable-profiler +ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS diff --git a/src/ci/docker/host-x86_64/dist-arm-linux/arm-linux-gnueabi.defconfig b/src/ci/docker/host-x86_64/dist-arm-linux-gnueabi/arm-linux-gnueabi.defconfig index e7afdbe9d4d..e7afdbe9d4d 100644 --- a/src/ci/docker/host-x86_64/dist-arm-linux/arm-linux-gnueabi.defconfig +++ b/src/ci/docker/host-x86_64/dist-arm-linux-gnueabi/arm-linux-gnueabi.defconfig diff --git a/src/ci/docker/host-x86_64/dist-arm-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-arm-linux-musl/Dockerfile index 3795859f308..6e055cd2bd5 100644 --- a/src/ci/docker/host-x86_64/dist-arm-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-arm-linux-musl/Dockerfile @@ -19,19 +19,13 @@ RUN sh /scripts/rustbuild-setup.sh WORKDIR /tmp COPY scripts/crosstool-ng-build.sh /scripts/ -COPY host-x86_64/dist-arm-linux/arm-linux-gnueabi.defconfig /tmp/crosstool.defconfig +COPY host-x86_64/dist-arm-linux-musl/arm-linux-musl.defconfig /tmp/crosstool.defconfig RUN /scripts/crosstool-ng-build.sh COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -ENV PATH=$PATH:/x-tools/arm-unknown-linux-gnueabi/bin - -ENV CC_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-gcc \ - AR_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-ar \ - CXX_arm_unknown_linux_gnueabi=arm-unknown-linux-gnueabi-g++ - -ENV HOSTS=arm-unknown-linux-gnueabi,aarch64-unknown-linux-musl +ENV HOSTS=aarch64-unknown-linux-musl ENV RUST_CONFIGURE_ARGS \ --enable-full-tools \ diff --git a/src/ci/docker/host-x86_64/dist-arm-linux-musl/arm-linux-musl.defconfig b/src/ci/docker/host-x86_64/dist-arm-linux-musl/arm-linux-musl.defconfig new file mode 100644 index 00000000000..e7afdbe9d4d --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-arm-linux-musl/arm-linux-musl.defconfig @@ -0,0 +1,13 @@ +CT_CONFIG_VERSION="4" +CT_PREFIX_DIR="/x-tools/${CT_TARGET}" +CT_USE_MIRROR=y +CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc" +CT_ARCH_ARM=y +CT_ARCH_ARCH="armv6" +CT_ARCH_FLOAT_SW=y +CT_KERNEL_LINUX=y +CT_LINUX_V_3_2=y +CT_BINUTILS_V_2_32=y +CT_GLIBC_V_2_17=y +CT_GCC_V_8=y +CT_CC_LANG_CXX=y diff --git a/src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/Dockerfile b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/Dockerfile new file mode 100644 index 00000000000..d2f1b9400ad --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/Dockerfile @@ -0,0 +1,41 @@ +FROM ubuntu:22.04 + +COPY scripts/cross-apt-packages.sh /scripts/ +RUN sh /scripts/cross-apt-packages.sh + +COPY scripts/crosstool-ng.sh /scripts/ +RUN sh /scripts/crosstool-ng.sh + +COPY scripts/rustbuild-setup.sh /scripts/ +RUN sh /scripts/rustbuild-setup.sh + +WORKDIR /tmp + +COPY scripts/crosstool-ng-build.sh /scripts/ +COPY host-x86_64/dist-powerpc64le-linux-gnu/powerpc64le-unknown-linux-gnu.defconfig /tmp/crosstool.defconfig +RUN /scripts/crosstool-ng-build.sh + +WORKDIR /build + +RUN apt-get install -y --no-install-recommends rpm2cpio cpio +COPY scripts/shared.sh scripts/build-powerpc64le-toolchain.sh /build/ +RUN ./build-powerpc64le-toolchain.sh + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh + +ENV \ + AR_powerpc64le_unknown_linux_gnu=powerpc64le-linux-gnu-ar \ + CC_powerpc64le_unknown_linux_gnu=powerpc64le-linux-gnu-gcc \ + CXX_powerpc64le_unknown_linux_gnu=powerpc64le-linux-gnu-g++ + +ENV HOSTS=powerpc64le-unknown-linux-gnu + +ENV RUST_CONFIGURE_ARGS \ + --enable-extended \ + --enable-full-tools \ + --enable-profiler \ + --enable-sanitizers \ + --disable-docs + +ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS diff --git a/src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/powerpc64le-unknown-linux-gnu.defconfig b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/powerpc64le-unknown-linux-gnu.defconfig new file mode 100644 index 00000000000..363e5850894 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-gnu/powerpc64le-unknown-linux-gnu.defconfig @@ -0,0 +1,14 @@ +CT_CONFIG_VERSION="4" +CT_EXPERIMENTAL=y +CT_PREFIX_DIR="/x-tools/${CT_TARGET}" +CT_USE_MIRROR=y +CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc" +CT_ARCH_POWERPC=y +CT_ARCH_LE=y +CT_ARCH_64=y +# CT_DEMULTILIB is not set +CT_ARCH_ARCH="powerpc64le" +CT_KERNEL_LINUX=y +CT_LINUX_V_4_19=y +CT_CC_LANG_CXX=y +CT_GETTEXT_NEEDED=y diff --git a/src/ci/docker/host-x86_64/dist-powerpc64le-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-musl/Dockerfile index cb20f43cff7..f045b2a5f65 100644 --- a/src/ci/docker/host-x86_64/dist-powerpc64le-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-musl/Dockerfile @@ -12,13 +12,13 @@ RUN sh /scripts/rustbuild-setup.sh WORKDIR /tmp COPY scripts/crosstool-ng-build.sh /scripts/ -COPY host-x86_64/dist-powerpc64le-linux/powerpc64le-unknown-linux-musl.defconfig /tmp/crosstool.defconfig +COPY host-x86_64/dist-powerpc64le-linux-musl/powerpc64le-unknown-linux-musl.defconfig /tmp/crosstool.defconfig RUN /scripts/crosstool-ng-build.sh WORKDIR /build RUN apt-get install -y --no-install-recommends rpm2cpio cpio -COPY scripts/shared.sh host-x86_64/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh /build/ +COPY scripts/shared.sh scripts/build-powerpc64le-toolchain.sh /build/ RUN ./build-powerpc64le-toolchain.sh COPY scripts/sccache.sh /scripts/ @@ -27,14 +27,11 @@ RUN sh /scripts/sccache.sh ENV PATH=$PATH:/x-tools/powerpc64le-unknown-linux-musl/bin ENV \ - AR_powerpc64le_unknown_linux_gnu=powerpc64le-linux-gnu-ar \ - CC_powerpc64le_unknown_linux_gnu=powerpc64le-linux-gnu-gcc \ - CXX_powerpc64le_unknown_linux_gnu=powerpc64le-linux-gnu-g++ \ AR_powerpc64le_unknown_linux_musl=powerpc64le-unknown-linux-musl-ar \ CC_powerpc64le_unknown_linux_musl=powerpc64le-unknown-linux-musl-gcc \ CXX_powerpc64le_unknown_linux_musl=powerpc64le-unknown-linux-musl-g++ -ENV HOSTS=powerpc64le-unknown-linux-gnu,powerpc64le-unknown-linux-musl +ENV HOSTS=powerpc64le-unknown-linux-musl ENV RUST_CONFIGURE_ARGS \ --enable-extended \ diff --git a/src/ci/docker/host-x86_64/dist-powerpc64le-linux/powerpc64le-unknown-linux-musl.defconfig b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-musl/powerpc64le-unknown-linux-musl.defconfig index c6cde30b2a4..c6cde30b2a4 100644 --- a/src/ci/docker/host-x86_64/dist-powerpc64le-linux/powerpc64le-unknown-linux-musl.defconfig +++ b/src/ci/docker/host-x86_64/dist-powerpc64le-linux-musl/powerpc64le-unknown-linux-musl.defconfig diff --git a/src/ci/docker/host-x86_64/mingw-check/Dockerfile b/src/ci/docker/host-x86_64/mingw-check-1/Dockerfile index 418408e9242..a877de1f7b2 100644 --- a/src/ci/docker/host-x86_64/mingw-check/Dockerfile +++ b/src/ci/docker/host-x86_64/mingw-check-1/Dockerfile @@ -34,38 +34,27 @@ RUN npm install es-check@6.1.1 eslint@8.6.0 typescript@5.7.3 -g COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -COPY host-x86_64/mingw-check/reuse-requirements.txt /tmp/ +COPY host-x86_64/mingw-check-1/reuse-requirements.txt /tmp/ RUN pip3 install --no-deps --no-cache-dir --require-hashes -r /tmp/reuse-requirements.txt -COPY host-x86_64/mingw-check/check-default-config-profiles.sh /scripts/ -COPY host-x86_64/mingw-check/validate-toolstate.sh /scripts/ -COPY host-x86_64/mingw-check/validate-error-codes.sh /scripts/ +COPY host-x86_64/mingw-check-1/check-default-config-profiles.sh /scripts/ +COPY host-x86_64/mingw-check-1/validate-toolstate.sh /scripts/ +COPY host-x86_64/mingw-check-1/validate-error-codes.sh /scripts/ # Check library crates on all tier 1 targets. # We disable optimized compiler built-ins because that requires a C toolchain for the target. # We also skip the x86_64-unknown-linux-gnu target as it is well-tested by other jobs. ENV SCRIPT \ - python3 ../x.py check --stage 0 --set build.optimized-compiler-builtins=false core alloc std --target=aarch64-unknown-linux-gnu,i686-pc-windows-msvc,i686-unknown-linux-gnu,x86_64-apple-darwin,x86_64-pc-windows-gnu,x86_64-pc-windows-msvc && \ /scripts/check-default-config-profiles.sh && \ - python3 ../x.py check compiletest --set build.compiletest-use-stage0-libtest=true && \ - python3 ../x.py check --target=x86_64-pc-windows-gnu --host=x86_64-pc-windows-gnu && \ - python3 ../x.py clippy ci && \ python3 ../x.py build --stage 0 src/tools/build-manifest && \ python3 ../x.py test --stage 0 src/tools/compiletest && \ - python3 ../x.py test --stage 0 core alloc std test proc_macro && \ - # Build both public and internal documentation. - RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc --stage 0 library && \ - mkdir -p /checkout/obj/staging/doc && \ - cp -r build/x86_64-unknown-linux-gnu/doc /checkout/obj/staging && \ - RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc --stage 0 compiler && \ - RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc --stage 0 library/test && \ + python3 ../x.py check compiletest --set build.compiletest-use-stage0-libtest=true && \ + python3 ../x.py check --stage 1 --target=i686-pc-windows-gnu --host=i686-pc-windows-gnu && \ + python3 ../x.py check --stage 1 --set build.optimized-compiler-builtins=false core alloc std --target=aarch64-unknown-linux-gnu,i686-pc-windows-msvc,i686-unknown-linux-gnu,x86_64-apple-darwin,x86_64-pc-windows-gnu,x86_64-pc-windows-msvc && \ /scripts/validate-toolstate.sh && \ /scripts/validate-error-codes.sh && \ reuse --include-submodules lint && \ python3 ../x.py test collect-license-metadata && \ # Runs checks to ensure that there are no issues in our JS code. es-check es2019 ../src/librustdoc/html/static/js/*.js && \ - eslint -c ../src/librustdoc/html/static/.eslintrc.js ../src/librustdoc/html/static/js/*.js && \ - eslint -c ../src/tools/rustdoc-js/.eslintrc.js ../src/tools/rustdoc-js/tester.js && \ - eslint -c ../src/tools/rustdoc-gui/.eslintrc.js ../src/tools/rustdoc-gui/tester.js && \ tsc --project ../src/librustdoc/html/static/js/tsconfig.json diff --git a/src/ci/docker/host-x86_64/mingw-check/check-default-config-profiles.sh b/src/ci/docker/host-x86_64/mingw-check-1/check-default-config-profiles.sh index 0c85d4b449d..0c85d4b449d 100755 --- a/src/ci/docker/host-x86_64/mingw-check/check-default-config-profiles.sh +++ b/src/ci/docker/host-x86_64/mingw-check-1/check-default-config-profiles.sh diff --git a/src/ci/docker/host-x86_64/mingw-check/reuse-requirements.in b/src/ci/docker/host-x86_64/mingw-check-1/reuse-requirements.in index d7c2d3fde5b..d7c2d3fde5b 100644 --- a/src/ci/docker/host-x86_64/mingw-check/reuse-requirements.in +++ b/src/ci/docker/host-x86_64/mingw-check-1/reuse-requirements.in diff --git a/src/ci/docker/host-x86_64/mingw-check/reuse-requirements.txt b/src/ci/docker/host-x86_64/mingw-check-1/reuse-requirements.txt index 8784e18864b..8784e18864b 100644 --- a/src/ci/docker/host-x86_64/mingw-check/reuse-requirements.txt +++ b/src/ci/docker/host-x86_64/mingw-check-1/reuse-requirements.txt diff --git a/src/ci/docker/host-x86_64/mingw-check/validate-error-codes.sh b/src/ci/docker/host-x86_64/mingw-check-1/validate-error-codes.sh index e9aa948eb87..e9aa948eb87 100755 --- a/src/ci/docker/host-x86_64/mingw-check/validate-error-codes.sh +++ b/src/ci/docker/host-x86_64/mingw-check-1/validate-error-codes.sh diff --git a/src/ci/docker/host-x86_64/mingw-check/validate-toolstate.sh b/src/ci/docker/host-x86_64/mingw-check-1/validate-toolstate.sh index a5691da8cda..a5691da8cda 100755 --- a/src/ci/docker/host-x86_64/mingw-check/validate-toolstate.sh +++ b/src/ci/docker/host-x86_64/mingw-check-1/validate-toolstate.sh diff --git a/src/ci/docker/host-x86_64/mingw-check-2/Dockerfile b/src/ci/docker/host-x86_64/mingw-check-2/Dockerfile new file mode 100644 index 00000000000..0c75f116aa0 --- /dev/null +++ b/src/ci/docker/host-x86_64/mingw-check-2/Dockerfile @@ -0,0 +1,37 @@ +FROM ubuntu:22.04 + +ARG DEBIAN_FRONTEND=noninteractive +RUN apt-get update && apt-get install -y --no-install-recommends \ + g++ \ + make \ + ninja-build \ + file \ + curl \ + ca-certificates \ + python3 \ + python3-pip \ + python3-pkg-resources \ + git \ + cmake \ + sudo \ + gdb \ + xz-utils \ + libssl-dev \ + pkg-config \ + mingw-w64 \ + && rm -rf /var/lib/apt/lists/* + +ENV RUST_CONFIGURE_ARGS="--set rust.validate-mir-opts=3" + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh + +ENV SCRIPT \ + python3 ../x.py clippy ci && \ + python3 ../x.py test --stage 1 core alloc std test proc_macro && \ + # Build both public and internal documentation. + RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc --stage 0 compiler && \ + RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc --stage 1 library && \ + mkdir -p /checkout/obj/staging/doc && \ + cp -r build/x86_64-unknown-linux-gnu/doc /checkout/obj/staging && \ + RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc --stage 1 library/test diff --git a/src/ci/docker/host-x86_64/mingw-check-tidy/Dockerfile b/src/ci/docker/host-x86_64/mingw-check-tidy/Dockerfile index 9ca8cc740a5..006a697af21 100644 --- a/src/ci/docker/host-x86_64/mingw-check-tidy/Dockerfile +++ b/src/ci/docker/host-x86_64/mingw-check-tidy/Dockerfile @@ -24,17 +24,24 @@ RUN apt-get update && apt-get install -y --no-install-recommends \ mingw-w64 \ && rm -rf /var/lib/apt/lists/* +COPY scripts/nodejs.sh /scripts/ +RUN sh /scripts/nodejs.sh /node +ENV PATH="/node/bin:${PATH}" + +# Install eslint +COPY host-x86_64/mingw-check-tidy/eslint.version /tmp/ + COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -COPY host-x86_64/mingw-check/reuse-requirements.txt /tmp/ +COPY host-x86_64/mingw-check-1/reuse-requirements.txt /tmp/ RUN pip3 install --no-deps --no-cache-dir --require-hashes -r /tmp/reuse-requirements.txt \ && pip3 install virtualenv -COPY host-x86_64/mingw-check/validate-toolstate.sh /scripts/ -COPY host-x86_64/mingw-check/validate-error-codes.sh /scripts/ +COPY host-x86_64/mingw-check-1/validate-toolstate.sh /scripts/ +COPY host-x86_64/mingw-check-1/validate-error-codes.sh /scripts/ # NOTE: intentionally uses python2 for x.py so we can test it still works. # validate-toolstate only runs in our CI, so it's ok for it to only support python3. -ENV SCRIPT TIDY_PRINT_DIFF=1 python2.7 ../x.py test \ - --stage 0 src/tools/tidy tidyselftest --extra-checks=py,cpp +ENV SCRIPT TIDY_PRINT_DIFF=1 npm install eslint@$(head -n 1 /tmp/eslint.version) && \ + python2.7 ../x.py test --stage 0 src/tools/tidy tidyselftest --extra-checks=py,cpp diff --git a/src/ci/docker/host-x86_64/mingw-check-tidy/eslint.version b/src/ci/docker/host-x86_64/mingw-check-tidy/eslint.version new file mode 100644 index 00000000000..1acea15afd6 --- /dev/null +++ b/src/ci/docker/host-x86_64/mingw-check-tidy/eslint.version @@ -0,0 +1 @@ +8.6.0 \ No newline at end of file diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-distcheck/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-distcheck/Dockerfile index 2217e6ee704..98fd31a22e9 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-distcheck/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-distcheck/Dockerfile @@ -1,3 +1,15 @@ +# Runs `distcheck`, which is a collection of smoke tests: +# +# - Run `make check` from an unpacked dist tarball to make sure we can at the +# minimum run check steps from those sources. +# - Check that selected dist components at least have expected directory shape +# and crate manifests that cargo can generate a lockfile from. +# +# Refer to `src/bootstrap/src/core/build_steps/test.rs` `Distcheck::run` for +# specifics. +# +# FIXME(#136822): dist components are generally under-tested. + FROM ubuntu:22.04 ARG DEBIAN_FRONTEND=noninteractive diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-nopt/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-nopt/Dockerfile index d8113e06723..1b57ae7c8da 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-nopt/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-nopt/Dockerfile @@ -29,5 +29,5 @@ RUN echo "optimize = false" >> /config/nopt-std-config.toml ENV RUST_CONFIGURE_ARGS --build=x86_64-unknown-linux-gnu \ --disable-optimize-tests \ --set rust.test-compare-mode -ENV SCRIPT python3 ../x.py test --stage 0 --config /config/nopt-std-config.toml library/std \ +ENV SCRIPT python3 ../x.py test --stage 1 --config /config/nopt-std-config.toml library/std \ && python3 ../x.py --stage 2 test diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile index 05c90af7807..e770c58bd9c 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile @@ -1,4 +1,4 @@ -FROM ubuntu:22.04 +FROM ghcr.io/rust-lang/ubuntu:22.04 ARG DEBIAN_FRONTEND=noninteractive RUN apt-get update && apt-get install -y --no-install-recommends \ diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh index 9222710b843..62e0451814b 100755 --- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh +++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh @@ -53,8 +53,8 @@ MIRIFLAGS="-Zmiri-force-intrinsic-fallback --cfg force_intrinsic_fallback -O -Zm case $HOST_TARGET in x86_64-unknown-linux-gnu) # Only this branch runs in PR CI. - # Fully test all main OSes, including a 32bit target. - python3 "$X_PY" test --stage 2 src/tools/miri src/tools/miri/cargo-miri --target x86_64-apple-darwin + # Fully test all main OSes, and all main architectures. + python3 "$X_PY" test --stage 2 src/tools/miri src/tools/miri/cargo-miri --target aarch64-apple-darwin python3 "$X_PY" test --stage 2 src/tools/miri src/tools/miri/cargo-miri --target i686-pc-windows-msvc # Only run "pass" tests for the remaining targets, which is quite a bit faster. python3 "$X_PY" test --stage 2 src/tools/miri --target x86_64-pc-windows-gnu --test-args pass @@ -69,7 +69,7 @@ case $HOST_TARGET in #FIXME: Re-enable this once CI issues are fixed # See <https://github.com/rust-lang/rust/issues/127883> # For now, these tests are moved to `x86_64-msvc-ext2` in `src/ci/github-actions/jobs.yml`. - #python3 "$X_PY" test --stage 2 src/tools/miri --target aarch64-apple-darwin --test-args pass + #python3 "$X_PY" test --stage 2 src/tools/miri --target x86_64-apple-darwin --test-args pass ;; *) echo "FATAL: unexpected host $HOST_TARGET" diff --git a/src/ci/docker/run.sh b/src/ci/docker/run.sh index 36f7df2b069..4e69fb2f370 100755 --- a/src/ci/docker/run.sh +++ b/src/ci/docker/run.sh @@ -97,9 +97,8 @@ if [ -f "$docker_dir/$image/Dockerfile" ]; then docker --version REGISTRY=ghcr.io - # Hardcode username to reuse cache between auto and pr jobs - # FIXME: should be changed after move from rust-lang-ci - REGISTRY_USERNAME=rust-lang-ci + # Default to `rust-lang` to allow reusing the cache for local builds + REGISTRY_USERNAME=${GITHUB_REPOSITORY_OWNER:-rust-lang} # Tag used to push the final Docker image, so that it can be pulled by e.g. rustup IMAGE_TAG=${REGISTRY}/${REGISTRY_USERNAME}/rust-ci:${cksum} # Tag used to cache the Docker build diff --git a/src/ci/docker/host-x86_64/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh b/src/ci/docker/scripts/build-powerpc64le-toolchain.sh index 56ea28b6ca5..56ea28b6ca5 100755 --- a/src/ci/docker/host-x86_64/dist-powerpc64le-linux/build-powerpc64le-toolchain.sh +++ b/src/ci/docker/scripts/build-powerpc64le-toolchain.sh diff --git a/src/ci/docker/scripts/rfl-build.sh b/src/ci/docker/scripts/rfl-build.sh index 1d280948ebe..fa18f67583f 100755 --- a/src/ci/docker/scripts/rfl-build.sh +++ b/src/ci/docker/scripts/rfl-build.sh @@ -2,7 +2,8 @@ set -euo pipefail -LINUX_VERSION=v6.15-rc4 +# https://github.com/Rust-for-Linux/linux/issues/1163 +LINUX_VERSION=3ca02fc80cc4fdac63aaa6796642f1e07be591d6 # Build rustc, rustdoc, cargo, clippy-driver and rustfmt ../x.py build --stage 2 library rustdoc clippy rustfmt diff --git a/src/ci/docker/scripts/x86_64-gnu-llvm.sh b/src/ci/docker/scripts/x86_64-gnu-llvm.sh index e0435a3ff5c..5fa17d954c3 100755 --- a/src/ci/docker/scripts/x86_64-gnu-llvm.sh +++ b/src/ci/docker/scripts/x86_64-gnu-llvm.sh @@ -2,8 +2,8 @@ set -ex -# NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux. -../x.py --stage 2 test --skip src/tools/tidy +# NOTE: intentionally uses `x`, and `x.ps1` to make sure they work on Linux. +# Make sure that `x.py` is tested elsewhere. # Run the `mir-opt` tests again but this time for a 32-bit target. # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 42ad5acbdac..b44915f8555 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -10,11 +10,6 @@ runners: free_disk: true <<: *base-job - # Large runner used mainly for its bigger disk capacity - - &job-linux-4c-largedisk - os: ubuntu-24.04-4core-16gb - <<: *base-job - - &job-linux-8c os: ubuntu-24.04-8core-32gb <<: *base-job @@ -77,7 +72,6 @@ envs: env-x86_64-apple-tests: &env-x86_64-apple-tests SCRIPT: ./x.py check compiletest --set build.compiletest-use-stage0-libtest=true && ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc -- --exact RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 # Ensure that host tooling is tested on our minimum supported macOS version. MACOSX_DEPLOYMENT_TARGET: 10.12 MACOSX_STD_DEPLOYMENT_TARGET: 10.12 @@ -117,7 +111,9 @@ envs: # These jobs automatically inherit envs.pr, to avoid repeating # it in each job definition. pr: - - name: mingw-check + - name: mingw-check-1 + <<: *job-linux-4c + - name: mingw-check-2 <<: *job-linux-4c - name: mingw-check-tidy continue_on_error: true @@ -126,9 +122,19 @@ pr: env: ENABLE_GCC_CODEGEN: "1" DOCKER_SCRIPT: x86_64-gnu-llvm.sh - <<: *job-linux-16c + <<: *job-linux-4c + - name: aarch64-gnu-llvm-19-1 + env: + IMAGE: aarch64-gnu-llvm-19 + DOCKER_SCRIPT: stage_2_test_set1.sh + <<: *job-aarch64-linux + - name: aarch64-gnu-llvm-19-2 + env: + IMAGE: aarch64-gnu-llvm-19 + DOCKER_SCRIPT: stage_2_test_set2.sh + <<: *job-aarch64-linux - name: x86_64-gnu-tools - <<: *job-linux-16c + <<: *job-linux-36c-codebuild # Jobs that run when you perform a try build (@bors try) # These jobs automatically inherit envs.try, to avoid repeating @@ -137,7 +143,7 @@ try: - name: dist-x86_64-linux env: CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-16c + <<: *job-linux-36c-codebuild # Main CI jobs that have to be green to merge a commit into master # These jobs automatically inherit envs.auto, to avoid repeating @@ -167,8 +173,11 @@ auto: - name: dist-android <<: *job-linux-4c - - name: dist-arm-linux - <<: *job-linux-8c-codebuild + - name: dist-arm-linux-gnueabi + <<: *job-linux-4c + + - name: dist-arm-linux-musl + <<: *job-linux-4c - name: dist-armhf-linux <<: *job-linux-4c @@ -203,8 +212,11 @@ auto: - name: dist-powerpc64-linux <<: *job-linux-4c - - name: dist-powerpc64le-linux - <<: *job-linux-4c-largedisk + - name: dist-powerpc64le-linux-gnu + <<: *job-linux-4c + + - name: dist-powerpc64le-linux-musl + <<: *job-linux-4c - name: dist-riscv64-linux <<: *job-linux-4c @@ -271,11 +283,14 @@ auto: env: IMAGE: i686-gnu-nopt DOCKER_SCRIPT: >- - python3 ../x.py test --stage 0 --config /config/nopt-std-config.toml library/std && + python3 ../x.py test --stage 1 --config /config/nopt-std-config.toml library/std && /scripts/stage_2_test_set2.sh <<: *job-linux-4c - - name: mingw-check + - name: mingw-check-1 + <<: *job-linux-4c + + - name: mingw-check-2 <<: *job-linux-4c - name: test-various @@ -323,7 +338,7 @@ auto: <<: *job-linux-4c - name: x86_64-gnu-distcheck - <<: *job-linux-8c + <<: *job-linux-4c # The x86_64-gnu-llvm-20 job is split into multiple jobs to run tests in parallel. # x86_64-gnu-llvm-20-1 skips tests that run in x86_64-gnu-llvm-20-{2,3}. @@ -331,7 +346,7 @@ auto: env: RUST_BACKTRACE: 1 IMAGE: x86_64-gnu-llvm-20 - DOCKER_SCRIPT: stage_2_test_set1.sh + DOCKER_SCRIPT: stage_2_test_set2.sh <<: *job-linux-4c # Skip tests that run in x86_64-gnu-llvm-20-{1,3} @@ -356,7 +371,7 @@ auto: env: RUST_BACKTRACE: 1 IMAGE: x86_64-gnu-llvm-19 - DOCKER_SCRIPT: stage_2_test_set1.sh + DOCKER_SCRIPT: stage_2_test_set2.sh <<: *job-linux-4c # Skip tests that run in x86_64-gnu-llvm-19-{1,3} @@ -391,7 +406,6 @@ auto: env: SCRIPT: ./x.py dist bootstrap --include-default-paths --host=x86_64-apple-darwin --target=x86_64-apple-darwin RUST_CONFIGURE_ARGS: --enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc --set rust.lto=thin --set rust.codegen-units=1 - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 # Ensure that host tooling is built to support our minimum support macOS version. MACOSX_DEPLOYMENT_TARGET: 10.12 MACOSX_STD_DEPLOYMENT_TARGET: 10.12 @@ -409,7 +423,6 @@ auto: # Mac Catalyst cannot currently compile the sanitizer: # https://github.com/rust-lang/rust/issues/129069 RUST_CONFIGURE_ARGS: --enable-sanitizers --enable-profiler --set rust.jemalloc --set target.aarch64-apple-ios-macabi.sanitizers=false --set target.x86_64-apple-ios-macabi.sanitizers=false - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 # Ensure that host tooling is built to support our minimum support macOS version. # FIXME(madsmtm): This might be redundant, as we're not building host tooling here (?) MACOSX_DEPLOYMENT_TARGET: 10.12 @@ -442,7 +455,6 @@ auto: --set llvm.ninja=false --set rust.lto=thin --set rust.codegen-units=1 - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 SELECT_XCODE: /Applications/Xcode_15.4.app USE_XCODE_CLANG: 1 # Aarch64 tooling only needs to support macOS 11.0 and up as nothing else @@ -458,12 +470,13 @@ auto: - name: aarch64-apple env: - SCRIPT: ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin + SCRIPT: > + ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin && + ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin src/tools/cargo RUST_CONFIGURE_ARGS: >- --enable-sanitizers --enable-profiler --set rust.jemalloc - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 SELECT_XCODE: /Applications/Xcode_15.4.app USE_XCODE_CLANG: 1 # Aarch64 tooling only needs to support macOS 11.0 and up as nothing else @@ -522,11 +535,13 @@ auto: - name: x86_64-msvc-ext2 env: SCRIPT: > - python x.py test --stage 2 src/tools/miri --target aarch64-apple-darwin --test-args pass && + python x.py test --stage 2 src/tools/miri --target x86_64-apple-darwin --test-args pass && python x.py test --stage 2 src/tools/miri --target x86_64-pc-windows-gnu --test-args pass && python x.py miri --stage 2 library/core --test-args notest && python x.py miri --stage 2 library/alloc --test-args notest && python x.py miri --stage 2 library/std --test-args notest + # The last 3 lines smoke-test `x.py miri`. This doesn't run any actual tests (that would take + # too long), but it ensures that the crates build properly when tested with Miri. RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-lld <<: *job-windows diff --git a/src/ci/scripts/install-clang.sh b/src/ci/scripts/install-clang.sh index 5522095e304..a9528e92915 100755 --- a/src/ci/scripts/install-clang.sh +++ b/src/ci/scripts/install-clang.sh @@ -10,8 +10,8 @@ IFS=$'\n\t' source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" # Update both macOS's and Windows's tarballs when bumping the version here. -# Try to keep this in sync with src/ci/docker/host-x86_64/dist-x86_64-linux/build-clang.sh -LLVM_VERSION="18.1.4" +# Try to keep this in sync with src/ci/docker/scripts/build-clang.sh +LLVM_VERSION="20.1.3" if isMacOS; then # FIXME: This is the latest pre-built version of LLVM that's available for diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh index c8c501e646a..ad852071f29 100755 --- a/src/ci/scripts/install-mingw.sh +++ b/src/ci/scripts/install-mingw.sh @@ -42,5 +42,5 @@ if isWindows && isKnownToBeMingwBuild; then curl -o mingw.7z "${MIRRORS_BASE}/${mingw_archive}" 7z x -y mingw.7z > /dev/null - ciCommandAddPath "$(pwd)/${mingw_dir}/bin" + ciCommandAddPath "$(cygpath -m "$(pwd)/${mingw_dir}/bin")" fi diff --git a/src/ci/scripts/install-ninja.sh b/src/ci/scripts/install-ninja.sh index 23cbc2eb6d1..7ac19173923 100755 --- a/src/ci/scripts/install-ninja.sh +++ b/src/ci/scripts/install-ninja.sh @@ -12,7 +12,7 @@ if isWindows; then 7z x -oninja ninja.zip rm ninja.zip ciCommandSetEnv "RUST_CONFIGURE_ARGS" "${RUST_CONFIGURE_ARGS} --enable-ninja" - ciCommandAddPath "$(pwd)/ninja" + ciCommandAddPath "$(cygpath -m "$(pwd)/ninja")" elif isMacOS; then brew install ninja fi diff --git a/src/ci/scripts/install-sccache.sh b/src/ci/scripts/install-sccache.sh index b055e76a805..fed06063fa0 100755 --- a/src/ci/scripts/install-sccache.sh +++ b/src/ci/scripts/install-sccache.sh @@ -15,7 +15,7 @@ elif isWindows; then mkdir -p sccache curl -fo sccache/sccache.exe \ "${MIRRORS_BASE}/2025-02-24-sccache-v0.10.0-x86_64-pc-windows-msvc.exe" - ciCommandAddPath "$(pwd)/sccache" + ciCommandAddPath "$(cygpath -m "$(pwd)/sccache")" fi # FIXME: we should probably install sccache outside the containers and then diff --git a/src/doc/book b/src/doc/book -Subproject d33916341d480caede1d0ae57cbeae23aab23e8 +Subproject 230c68bc1e08f5f3228384a28cc228c81dfbd10 diff --git a/src/doc/edition-guide b/src/doc/edition-guide -Subproject 1b1bb49babd65c732468cfa515b0c009bd1d26b +Subproject aa6ce337c0adf7a63e33960d184270f2a45ab9e diff --git a/src/doc/reference b/src/doc/reference -Subproject 387392674d74656f7cb437c05a96f0c52ea8e60 +Subproject 118fd1f1f0854f50e3ae1fe4b64862aad23009c diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example -Subproject 8a8918c698534547fa8a1a693cb3e7277f0bfb2 +Subproject c9d151f9147c4808c77f0375ba3fa5d54443cb9 diff --git a/src/doc/rustc-dev-guide/.mailmap b/src/doc/rustc-dev-guide/.mailmap index 1a1f6ffb608..907495ed10d 100644 --- a/src/doc/rustc-dev-guide/.mailmap +++ b/src/doc/rustc-dev-guide/.mailmap @@ -3,3 +3,4 @@ Jynn Nelson <github@jyn.dev> <joshua@yottadb.com> Jynn Nelson <github@jyn.dev> <jyn.nelson@redjack.com> Jynn Nelson <github@jyn.dev> <jnelson@cloudflare.com> Jynn Nelson <github@jyn.dev> +Tshepang Mbambo <hopsi@tuta.io> <tshepang@gmail.com> diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version index 5e4266f61da..b1e9eec529e 100644 --- a/src/doc/rustc-dev-guide/rust-version +++ b/src/doc/rustc-dev-guide/rust-version @@ -1 +1 @@ -414482f6a0d4e7290f614300581a0b55442552a3 +99e7c15e81385b38a8186b51edc4577d5d7b5bdd diff --git a/src/doc/rustc-dev-guide/src/SUMMARY.md b/src/doc/rustc-dev-guide/src/SUMMARY.md index 31119496e75..a7b76233d19 100644 --- a/src/doc/rustc-dev-guide/src/SUMMARY.md +++ b/src/doc/rustc-dev-guide/src/SUMMARY.md @@ -134,9 +134,9 @@ - [Command-line arguments](./cli.md) - [rustc_driver and rustc_interface](./rustc-driver/intro.md) + - [Remarks on perma-unstable features](./rustc-driver/remarks-on-perma-unstable-features.md) - [Example: Type checking](./rustc-driver/interacting-with-the-ast.md) - [Example: Getting diagnostics](./rustc-driver/getting-diagnostics.md) - - [Remarks on perma-unstable features](./rustc-driver/remarks-on-perma-unstable-features.md) - [Errors and lints](diagnostics.md) - [Diagnostic and subdiagnostic structs](./diagnostics/diagnostic-structs.md) - [Translation](./diagnostics/translation.md) diff --git a/src/doc/rustc-dev-guide/src/appendix/compiler-lecture.md b/src/doc/rustc-dev-guide/src/appendix/compiler-lecture.md index dabd2f08703..90c4097cc3e 100644 --- a/src/doc/rustc-dev-guide/src/appendix/compiler-lecture.md +++ b/src/doc/rustc-dev-guide/src/appendix/compiler-lecture.md @@ -46,3 +46,4 @@ These are videos where various experts explain different parts of the compiler: ## Code Generation - [January 2019: Cranelift](https://www.youtube.com/watch?v=9OIA7DTFQWU) +- [December 2024: LLVM Developers' Meeting - Rust ❤️ LLVM](https://www.youtube.com/watch?v=Kqz-umsAnk8) \ No newline at end of file diff --git a/src/doc/rustc-dev-guide/src/backend/libs-and-metadata.md b/src/doc/rustc-dev-guide/src/backend/libs-and-metadata.md index 513df1650c3..eeb2af5e6bc 100644 --- a/src/doc/rustc-dev-guide/src/backend/libs-and-metadata.md +++ b/src/doc/rustc-dev-guide/src/backend/libs-and-metadata.md @@ -28,8 +28,8 @@ format is specific to `rustc`, and may change over time. This file contains: [`-C embed-bitcode=no`][embed-bitcode] CLI option to improve compile times and reduce disk space if LTO is not needed. * `rustc` [metadata], in a file named `lib.rmeta`. -* A symbol table, which is generally a list of symbols with offsets to the - object file that contain that symbol. This is pretty standard for archive +* A symbol table, which is essentially a list of symbols with offsets to the + object files that contain that symbol. This is pretty standard for archive files. [archive file]: https://en.wikipedia.org/wiki/Ar_(Unix) @@ -46,12 +46,11 @@ A `dylib` is a platform-specific shared library. It includes the `rustc` ### rmeta -An `rmeta` file is custom binary format that contains the [metadata] for the -crate. This file can be used for fast "checks" of a project by skipping all -code generation (as is done with `cargo check`), collecting enough information -for documentation (as is done with `cargo doc`), or for -[pipelining](#pipelining). This file is created if the -[`--emit=metadata`][emit] CLI option is used. +An `rmeta` file is a custom binary format that contains the [metadata] for the +crate. This file can be used for fast "checks" of a project by skipping all code +generation (as is done with `cargo check`), collecting enough information for +documentation (as is done with `cargo doc`), or for [pipelining](#pipelining). +This file is created if the [`--emit=metadata`][emit] CLI option is used. `rmeta` files do not support linking, since they do not contain compiled object files. @@ -60,8 +59,8 @@ object files. ## Metadata -The metadata contains a wide swath of different elements. This guide will not -go into detail of every field it contains. You are encouraged to browse the +The metadata contains a wide swath of different elements. This guide will not go +into detail about every field it contains. You are encouraged to browse the [`CrateRoot`] definition to get a sense of the different elements it contains. Everything about metadata encoding and decoding is in the [`rustc_metadata`] package. @@ -122,9 +121,9 @@ much more. By default, all Rust symbols are mangled and incorporate the stable crate id. This allows multiple versions of the same crate to be included together. Cargo -automatically generates `-C metadata` hashes based on a variety of factors, -like the package version, source, and the target kind (a lib and test can have -the same crate name, so they need to be disambiguated). +automatically generates `-C metadata` hashes based on a variety of factors, like +the package version, source, and target kind (a lib and test can have the same +crate name, so they need to be disambiguated). [`StableCrateId`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/def_id/struct.StableCrateId.html [`StableCrateId::new`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/def_id/struct.StableCrateId.html#method.new @@ -154,7 +153,7 @@ will also look at the [sysroot] to find dependencies. As crates are loaded, they are kept in the [`CStore`] with the crate metadata wrapped in the [`CrateMetadata`] struct. After resolution and expansion, the -`CStore` will make its way into the [`GlobalCtxt`] for the rest of +`CStore` will make its way into the [`GlobalCtxt`] for the rest of the compilation. [name resolution]: ../name-resolution.md diff --git a/src/doc/rustc-dev-guide/src/borrow_check/two_phase_borrows.md b/src/doc/rustc-dev-guide/src/borrow_check/two_phase_borrows.md index bcd48782110..b77ae09465c 100644 --- a/src/doc/rustc-dev-guide/src/borrow_check/two_phase_borrows.md +++ b/src/doc/rustc-dev-guide/src/borrow_check/two_phase_borrows.md @@ -76,7 +76,7 @@ borrow. [`AutoBorrow`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/adjustment/enum.AutoBorrow.html [converted]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_build/thir/cx/expr/trait.ToBorrowKind.html#method.to_borrow_kind [`BorrowKind`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/enum.BorrowKind.html -[`GatherBorrows`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/visit/trait.Visitor.html#method.visit_local +[`GatherBorrows`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_borrowck/borrow_set/struct.GatherBorrows.html [`BorrowData`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_borrowck/borrow_set/struct.BorrowData.html ## Checking two-phase borrows diff --git a/src/doc/rustc-dev-guide/src/building/bootstrapping/what-bootstrapping-does.md b/src/doc/rustc-dev-guide/src/building/bootstrapping/what-bootstrapping-does.md index a2930b3e427..2793ad43815 100644 --- a/src/doc/rustc-dev-guide/src/building/bootstrapping/what-bootstrapping-does.md +++ b/src/doc/rustc-dev-guide/src/building/bootstrapping/what-bootstrapping-does.md @@ -45,13 +45,13 @@ compiler. ```mermaid graph TD - s0c["stage0 compiler (1.63)"]:::downloaded -->|A| s0l("stage0 std (1.64)"):::with-s0c; + s0c["stage0 compiler (1.86.0-beta.1)"]:::downloaded -->|A| s0l("stage0 std (1.86.0-beta.1)"):::downloaded; s0c & s0l --- stepb[ ]:::empty; - stepb -->|B| s0ca["stage0 compiler artifacts (1.64)"]:::with-s0c; - s0ca -->|copy| s1c["stage1 compiler (1.64)"]:::with-s0c; - s1c -->|C| s1l("stage1 std (1.64)"):::with-s1c; + stepb -->|B| s0ca["stage0 compiler artifacts (1.87.0-dev)"]:::with-s0c; + s0ca -->|copy| s1c["stage1 compiler (1.87.0-dev)"]:::with-s0c; + s1c -->|C| s1l("stage1 std (1.87.0-dev)"):::with-s1c; s1c & s1l --- stepd[ ]:::empty; - stepd -->|D| s1ca["stage1 compiler artifacts (1.64)"]:::with-s1c; + stepd -->|D| s1ca["stage1 compiler artifacts (1.87.0-dev)"]:::with-s1c; s1ca -->|copy| s2c["stage2 compiler"]:::with-s1c; classDef empty width:0px,height:0px; @@ -62,19 +62,21 @@ graph TD ### Stage 0: the pre-compiled compiler -The stage0 compiler is usually the current _beta_ `rustc` compiler and its +The stage0 compiler is by default the very recent _beta_ `rustc` compiler and its associated dynamic libraries, which `./x.py` will download for you. (You can -also configure `./x.py` to use something else.) +also configure `./x.py` to change stage0 to something else.) -The stage0 compiler is then used only to compile [`src/bootstrap`], -[`library/std`], and [`compiler/rustc`]. When assembling the libraries and -binaries that will become the stage1 `rustc` compiler, the freshly compiled -`std` and `rustc` are used. There are two concepts at play here: a compiler -(with its set of dependencies) and its 'target' or 'object' libraries (`std` and -`rustc`). Both are staged, but in a staggered manner. +The precompiled stage0 compiler is then used only to compile [`src/bootstrap`] and [`compiler/rustc`] +with precompiled stage0 std. + +Note that to build the stage1 compiler we use the precompiled stage0 compiler and std. +Therefore, to use a compiler with a std that is freshly built from the tree, you need to +build the stage2 compiler. + +There are two concepts at play here: a compiler (with its set of dependencies) and its +'target' or 'object' libraries (`std` and `rustc`). Both are staged, but in a staggered manner. [`compiler/rustc`]: https://github.com/rust-lang/rust/tree/master/compiler/rustc -[`library/std`]: https://github.com/rust-lang/rust/tree/master/library/std [`src/bootstrap`]: https://github.com/rust-lang/rust/tree/master/src/bootstrap ### Stage 1: from current code, by an earlier compiler @@ -84,16 +86,14 @@ The rustc source code is then compiled with the `stage0` compiler to produce the ### Stage 2: the truly current compiler -We then rebuild our `stage1` compiler with itself to produce the `stage2` +We then rebuild the compiler using `stage1` compiler with in-tree std to produce the `stage2` compiler. -In theory, the `stage1` compiler is functionally identical to the `stage2` -compiler, but in practice there are subtle differences. In particular, the -`stage1` compiler itself was built by `stage0` and hence not by the source in -your working directory. This means that the ABI generated by the `stage0` -compiler may not match the ABI that would have been made by the `stage1` -compiler, which can cause problems for dynamic libraries, tests, and tools using -`rustc_private`. +The `stage1` compiler itself was built by precompiled `stage0` compiler and std +and hence not by the source in your working directory. This means that the ABI +generated by the `stage0` compiler may not match the ABI that would have been made +by the `stage1` compiler, which can cause problems for dynamic libraries, tests +and tools using `rustc_private`. Note that the `proc_macro` crate avoids this issue with a `C` FFI layer called `proc_macro::bridge`, allowing it to be used with `stage1`. @@ -101,9 +101,10 @@ Note that the `proc_macro` crate avoids this issue with a `C` FFI layer called The `stage2` compiler is the one distributed with `rustup` and all other install methods. However, it takes a very long time to build because one must first build the new compiler with an older compiler and then use that to build the new -compiler with itself. For development, you usually only want the `stage1` -compiler, which you can build with `./x build library`. See [Building the -compiler](../how-to-build-and-run.html#building-the-compiler). +compiler with itself. + +For development, you usually only want to use `--stage 1` flag to build things. +See [Building the compiler](../how-to-build-and-run.html#building-the-compiler). ### Stage 3: the same-result test @@ -114,10 +115,11 @@ something has broken. ### Building the stages The script [`./x`] tries to be helpful and pick the stage you most likely meant -for each subcommand. These defaults are as follows: +for each subcommand. Here are some `x` commands with their default stages: -- `check`: `--stage 0` -- `doc`: `--stage 0` +- `check`: `--stage 1` +- `clippy`: `--stage 1` +- `doc`: `--stage 1` - `build`: `--stage 1` - `test`: `--stage 1` - `dist`: `--stage 2` @@ -191,8 +193,8 @@ include, but are not limited to: without building `rustc` from source ('build with `stage0`, then test the artifacts'). If you're working on the standard library, this is normally the test command you want. -- `./x build --stage 0` means to build with the beta `rustc`. -- `./x doc --stage 0` means to document using the beta `rustdoc`. +- `./x build --stage 0` means to build with the stage0 `rustc`. +- `./x doc --stage 0` means to document using the stage0 `rustdoc`. #### Examples of what *not* to do @@ -208,9 +210,6 @@ include, but are not limited to: ### Building vs. running -Note that `build --stage N compiler/rustc` **does not** build the stage N -compiler: instead it builds the stage N+1 compiler _using_ the stage N compiler. - In short, _stage 0 uses the `stage0` compiler to create `stage0` artifacts which will later be uplifted to be the stage1 compiler_. @@ -268,23 +267,6 @@ However, when cross-compiling, `stage1` `std` will only run on the host. So the (See in the table how `stage2` only builds non-host `std` targets). -### Why does only libstd use `cfg(bootstrap)`? - -For docs on `cfg(bootstrap)` itself, see [Complications of -Bootstrapping](#complications-of-bootstrapping). - -The `rustc` generated by the `stage0` compiler is linked to the freshly-built -`std`, which means that for the most part only `std` needs to be `cfg`-gated, so -that `rustc` can use features added to `std` immediately after their addition, -without need for them to get into the downloaded `beta` compiler. - -Note this is different from any other Rust program: `stage1` `rustc` is built by -the _beta_ compiler, but using the _master_ version of `libstd`! - -The only time `rustc` uses `cfg(bootstrap)` is when it adds internal lints that -use diagnostic items, or when it uses unstable library features that were -recently changed. - ### What is a 'sysroot'? When you build a project with `cargo`, the build artifacts for dependencies are @@ -459,7 +441,6 @@ compiler itself uses to run. These aren't actually used by artifacts the new compiler generates. This step also copies the `rustc` and `rustdoc` binaries we generated into `build/$HOST/stage/bin`. -The `stage1/bin/rustc` is a fully functional compiler, but it doesn't yet have -any libraries to link built binaries or libraries to. The next 3 steps will -provide those libraries for it; they are mostly equivalent to constructing the -`stage1/bin` compiler so we don't go through them individually here. +The `stage1/bin/rustc` is a fully functional compiler built with stage0 (precompiled) compiler and std. +To use a compiler built entirely from source with the in-tree compiler and std, you need to build the +stage2 compiler, which is compiled using the stage1 (in-tree) compiler and std. diff --git a/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md b/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md index c3c1c41e3f6..c4783002b85 100644 --- a/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md +++ b/src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md @@ -217,7 +217,6 @@ probably the best "go to" command for building a local compiler: This may *look* like it only builds the standard library, but that is not the case. What this command does is the following: -- Build `std` using the stage0 compiler - Build `rustc` using the stage0 compiler - This produces the stage1 compiler - Build `std` using the stage1 compiler @@ -241,8 +240,7 @@ build. The **full** `rustc` build (what you get with `./x build --stage 2 compiler/rustc`) has quite a few more steps: - Build `rustc` with the stage1 compiler. - - The resulting compiler here is called the "stage2" compiler. -- Build `std` with stage2 compiler. + - The resulting compiler here is called the "stage2" compiler, which uses stage1 std from the previous command. - Build `librustdoc` and a bunch of other things with the stage2 compiler. You almost never need to do this. @@ -250,14 +248,14 @@ You almost never need to do this. ### Build specific components If you are working on the standard library, you probably don't need to build -the compiler unless you are planning to use a recently added nightly feature. -Instead, you can just build using the bootstrap compiler. +every other default component. Instead, you can build a specific component by +providing its name, like this: ```bash -./x build --stage 0 library +./x build --stage 1 library ``` -If you choose the `library` profile when running `x setup`, you can omit `--stage 0` (it's the +If you choose the `library` profile when running `x setup`, you can omit `--stage 1` (it's the default). ## Creating a rustup toolchain @@ -271,7 +269,6 @@ you will likely need to build at some point; for example, if you want to run the entire test suite). ```bash -rustup toolchain link stage0 build/host/stage0-sysroot # beta compiler + stage0 std rustup toolchain link stage1 build/host/stage1 rustup toolchain link stage2 build/host/stage2 ``` diff --git a/src/doc/rustc-dev-guide/src/building/new-target.md b/src/doc/rustc-dev-guide/src/building/new-target.md index 09ffbe8c882..8d323ba9646 100644 --- a/src/doc/rustc-dev-guide/src/building/new-target.md +++ b/src/doc/rustc-dev-guide/src/building/new-target.md @@ -85,7 +85,7 @@ Look for existing targets to use as examples. After adding your target to the `rustc_target` crate you may want to add `core`, `std`, ... with support for your new target. In that case you will probably need access to some `target_*` cfg. Unfortunately when building with -stage0 (the beta compiler), you'll get an error that the target cfg is +stage0 (a precompiled compiler), you'll get an error that the target cfg is unexpected because stage0 doesn't know about the new target specification and we pass `--check-cfg` in order to tell it to check. diff --git a/src/doc/rustc-dev-guide/src/building/suggested.md b/src/doc/rustc-dev-guide/src/building/suggested.md index f8a28b7f2e9..76c39608449 100644 --- a/src/doc/rustc-dev-guide/src/building/suggested.md +++ b/src/doc/rustc-dev-guide/src/building/suggested.md @@ -91,7 +91,7 @@ for two reasons: additional rebuilds in some cases. To avoid these problems: -- Add `--build-dir=build-rust-analyzer` to all of the custom `x` commands in +- Add `--build-dir=build/rust-analyzer` to all of the custom `x` commands in your editor's rust-analyzer configuration. (Feel free to choose a different directory name if desired.) - Modify the `rust-analyzer.rustfmt.overrideCommand` setting so that it points @@ -100,10 +100,7 @@ To avoid these problems: copy of `rust-analyzer-proc-macro-srv` in that other build directory. Using separate build directories for command-line builds and rust-analyzer -requires extra disk space, and also means that running `./x clean` on the -command-line will not clean out the separate build directory. To clean the -separate build directory, run `./x clean --build-dir=build-rust-analyzer` -instead. +requires extra disk space. ### Visual Studio Code @@ -137,7 +134,7 @@ Task] instead: ### Neovim -For Neovim users there are several options for configuring for rustc. The +For Neovim users, there are a few options. The easiest way is by using [neoconf.nvim](https://github.com/folke/neoconf.nvim/), which allows for project-local configuration files with the native LSP. The steps for how to use it are below. Note that they require rust-analyzer to @@ -310,51 +307,15 @@ lets you use `cargo fmt`. [the section on vscode]: suggested.md#configuring-rust-analyzer-for-rustc [the section on rustup]: how-to-build-and-run.md?highlight=rustup#creating-a-rustup-toolchain -## Faster builds with `--keep-stage`. +## Faster Builds with CI-rustc -Sometimes just checking whether the compiler builds is not enough. A common -example is that you need to add a `debug!` statement to inspect the value of -some state or better understand the problem. In that case, you don't really need -a full build. By bypassing bootstrap's cache invalidation, you can often get -these builds to complete very fast (e.g., around 30 seconds). The only catch is -this requires a bit of fudging and may produce compilers that don't work (but -that is easily detected and fixed). - -The sequence of commands you want is as follows: - -- Initial build: `./x build library` - - As [documented previously], this will build a functional stage1 compiler as - part of running all stage0 commands (which include building a `std` - compatible with the stage1 compiler) as well as the first few steps of the - "stage 1 actions" up to "stage1 (sysroot stage1) builds std". -- Subsequent builds: `./x build library --keep-stage 1` - - Note that we added the `--keep-stage 1` flag here - -[documented previously]: ./how-to-build-and-run.md#building-the-compiler - -As mentioned, the effect of `--keep-stage 1` is that we just _assume_ that the -old standard library can be re-used. If you are editing the compiler, this is -almost always true: you haven't changed the standard library, after all. But -sometimes, it's not true: for example, if you are editing the "metadata" part of -the compiler, which controls how the compiler encodes types and other states -into the `rlib` files, or if you are editing things that wind up in the metadata -(such as the definition of the MIR). - -**The TL;DR is that you might get weird behavior from a compile when using -`--keep-stage 1`** -- for example, strange [ICEs](../appendix/glossary.html#ice) -or other panics. In that case, you should simply remove the `--keep-stage 1` -from the command and rebuild. That ought to fix the problem. - -You can also use `--keep-stage 1` when running tests. Something like this: - -- Initial test run: `./x test tests/ui` -- Subsequent test run: `./x test tests/ui --keep-stage 1` - -### Iterating the standard library with `--keep-stage` - -If you are making changes to the standard library, you can use `./x build ---keep-stage 0 library` to iteratively rebuild the standard library without -rebuilding the compiler. +If you are not working on the compiler, you often don't need to build the compiler tree. +For example, you can skip building the compiler and only build the `library` tree or the +tools under `src/tools`. To achieve that, you have to enable this by setting the `download-rustc` +option in your configuration. This tells bootstrap to use the latest nightly compiler for `stage > 0` +steps, meaning it will have two precompiled compilers: stage0 compiler and `download-rustc` compiler +for `stage > 0` steps. This way, it will never need to build the in-tree compiler. As a result, your +build time will be significantly reduced by not building the in-tree compiler. ## Using incremental compilation diff --git a/src/doc/rustc-dev-guide/src/cli.md b/src/doc/rustc-dev-guide/src/cli.md index 408ae207004..4c77007ea44 100644 --- a/src/doc/rustc-dev-guide/src/cli.md +++ b/src/doc/rustc-dev-guide/src/cli.md @@ -28,6 +28,6 @@ adding a new command-line argument. unstable-options` flag. [cli-docs]: https://doc.rust-lang.org/rustc/command-line-arguments.html -[forge guide for new options]: https://forge.rust-lang.org/compiler/new_option.html +[forge guide for new options]: https://forge.rust-lang.org/compiler/proposals-and-stabilization.html#compiler-flags [unstable book]: https://doc.rust-lang.org/nightly/unstable-book/ [`parse_bool`]: https://github.com/rust-lang/rust/blob/e5335592e78354e33d798d20c04bcd677c1df62d/src/librustc_session/options.rs#L307-L313 diff --git a/src/doc/rustc-dev-guide/src/diagnostics.md b/src/doc/rustc-dev-guide/src/diagnostics.md index 2f8f4b0ab8a..01e59c91904 100644 --- a/src/doc/rustc-dev-guide/src/diagnostics.md +++ b/src/doc/rustc-dev-guide/src/diagnostics.md @@ -866,19 +866,17 @@ struct](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/json/struct (and sub-structs) for the JSON serialization. Don't confuse this with [`errors::Diag`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/struct.Diag.html)! -## `#[rustc_on_unimplemented(...)]` +## `#[rustc_on_unimplemented]` -The `#[rustc_on_unimplemented]` attribute allows trait definitions to add specialized -notes to error messages when an implementation was expected but not found. -You can refer to the trait's generic arguments by name and to the resolved type using `Self`. - -For example: +This attribute allows trait definitions to modify error messages when an implementation was +expected but not found. The string literals in the attribute are format strings and can be +formatted with named parameters. See the Formatting +section below for what parameters are permitted. ```rust,ignore -#![feature(rustc_attrs)] - -#[rustc_on_unimplemented="an iterator over elements of type `{A}` \ - cannot be built from a collection of type `{Self}`"] +#[rustc_on_unimplemented(message = "an iterator over \ + elements of type `{A}` cannot be built from a \ + collection of type `{Self}`")] trait MyIterator<A> { fn next(&mut self) -> A; } @@ -895,32 +893,26 @@ fn main() { When the user compiles this, they will see the following; ```txt -error[E0277]: the trait bound `&[{integer}]: MyIterator<char>` is not satisfied - --> <anon>:14:5 +error[E0277]: an iterator over elements of type `char` cannot be built from a collection of type `&[{integer}]` + --> src/main.rs:13:19 | -14 | iterate_chars(&[1, 2, 3][..]); - | ^^^^^^^^^^^^^ an iterator over elements of type `char` cannot be built from a collection of type `&[{integer}]` +13 | iterate_chars(&[1, 2, 3][..]); + | ------------- ^^^^^^^^^^^^^^ the trait `MyIterator<char>` is not implemented for `&[{integer}]` + | | + | required by a bound introduced by this call | - = help: the trait `MyIterator<char>` is not implemented for `&[{integer}]` - = note: required by `iterate_chars` +note: required by a bound in `iterate_chars` ``` -`rustc_on_unimplemented` also supports advanced filtering for better targeting -of messages, as well as modifying specific parts of the error message. You -target the text of: - +You can modify the contents of: - the main error message (`message`) - the label (`label`) - - an extra note (`note`) + - the note(s) (`note`) For example, the following attribute ```rust,ignore -#[rustc_on_unimplemented( - message="message", - label="label", - note="note" -)] +#[rustc_on_unimplemented(message = "message", label = "label", note = "note")] trait MyIterator<A> { fn next(&mut self) -> A; } @@ -930,45 +922,61 @@ Would generate the following output: ```text error[E0277]: message - --> <anon>:14:5 + --> <file>:10:19 | -14 | iterate_chars(&[1, 2, 3][..]); - | ^^^^^^^^^^^^^ label +10 | iterate_chars(&[1, 2, 3][..]); + | ------------- ^^^^^^^^^^^^^^ label + | | + | required by a bound introduced by this call | - = note: note = help: the trait `MyIterator<char>` is not implemented for `&[{integer}]` - = note: required by `iterate_chars` + = note: note +note: required by a bound in `iterate_chars` ``` +The functionality discussed so far is also available with +[`#[diagnostic::on_unimplemented]`](https://doc.rust-lang.org/nightly/reference/attributes/diagnostics.html#the-diagnosticon_unimplemented-attribute). +If you can, you should use that instead. + +### Filtering + To allow more targeted error messages, it is possible to filter the -application of these fields based on a variety of attributes when using -`on`: +application of these fields with `on`. +You can filter on the following boolean flags: - `crate_local`: whether the code causing the trait bound to not be fulfilled is part of the user's crate. This is used to avoid suggesting code changes that would require modifying a dependency. - - Any of the generic arguments that can be substituted in the text can be - referred by name as well for filtering, like `Rhs="i32"`, except for - `Self`. - - `_Self`: to filter only on a particular calculated trait resolution, like - `Self="std::iter::Iterator<char>"`. This is needed because `Self` is a - keyword which cannot appear in attributes. - - `direct`: user-specified rather than derived obligation. - - `from_desugaring`: usable both as boolean (whether the flag is present) - or matching against a particular desugaring. The desugaring is identified - with its variant name in the `DesugaringKind` enum. - -For example, the `Iterator` trait can be annotated in the following way: + - `direct`: whether this is an user-specified rather than derived obligation. + - `from_desugaring`: whether we are in some kind of desugaring, like `?` + or a `try` block for example. This flag can also be matched on, see below. + +You can match on the following names and values, using `name = "value"`: + - `cause`: Match against one variant of the `ObligationCauseCode` + enum. Only `"MainFunctionType"` is supported. + - `from_desugaring`: Match against a particular variant of the `DesugaringKind` + enum. The desugaring is identified by its variant name, for example + `"QuestionMark"` for `?` desugaring or `"TryBlock"` for `try` blocks. + - `Self` and any generic arguments of the trait, like `Self = "alloc::string::String"` + or `Rhs="i32"`. + +The compiler can provide several values to match on, for example: + - the self_ty, pretty printed with and without type arguments resolved. + - `"{integral}"`, if self_ty is an integral of which the type is known. + - `"[]"`, `"[{ty}]"`, `"[{ty}; _]"`, `"[{ty}; $N]"` when applicable. + - references to said slices and arrays. + - `"fn"`, `"unsafe fn"` or `"#[target_feature] fn"` when self is a function. + - `"{integer}"` and `"{float}"` if the type is a number but we haven't inferred it yet. + - combinations of the above, like `"[{integral}; _]"`. + +For example, the `Iterator` trait can be filtered in the following way: ```rust,ignore #[rustc_on_unimplemented( - on( - _Self="&str", - note="call `.chars()` or `.as_bytes()` on `{Self}`" - ), - message="`{Self}` is not an iterator", - label="`{Self}` is not an iterator", - note="maybe try calling `.iter()` or a similar method" + on(Self = "&str", note = "call `.chars()` or `.as_bytes()` on `{Self}`"), + message = "`{Self}` is not an iterator", + label = "`{Self}` is not an iterator", + note = "maybe try calling `.iter()` or a similar method" )] pub trait Iterator {} ``` @@ -997,15 +1005,47 @@ error[E0277]: `&str` is not an iterator = note: required by `std::iter::IntoIterator::into_iter` ``` -If you need to filter on multiple attributes, you can use `all`, `any` or -`not` in the following way: +The `on` filter accepts `all`, `any` and `not` predicates similar to the `cfg` attribute: ```rust,ignore -#[rustc_on_unimplemented( - on( - all(_Self="&str", T="std::string::String"), - note="you can coerce a `{T}` into a `{Self}` by writing `&*variable`" - ) -)] -pub trait From<T>: Sized { /* ... */ } +#[rustc_on_unimplemented(on( + all(Self = "&str", T = "alloc::string::String"), + note = "you can coerce a `{T}` into a `{Self}` by writing `&*variable`" +))] +pub trait From<T>: Sized { + /* ... */ +} +``` + +### Formatting + +The string literals are format strings that accept parameters wrapped in braces +but positional and listed parameters and format specifiers are not accepted. +The following parameter names are valid: +- `Self` and all generic parameters of the trait. +- `This`: the name of the trait the attribute is on, without generics. +- `Trait`: the name of the "sugared" trait. See `TraitRefPrintSugared`. +- `ItemContext`: the kind of `hir::Node` we're in, things like `"an async block"`, + `"a function"`, `"an async function"`, etc. + +Something like: + +```rust,ignore +#![feature(rustc_attrs)] + +#[rustc_on_unimplemented(message = "Self = `{Self}`, \ + T = `{T}`, this = `{This}`, trait = `{Trait}`, \ + context = `{ItemContext}`")] +pub trait From<T>: Sized { + fn from(x: T) -> Self; +} + +fn main() { + let x: i8 = From::from(42_i32); +} +``` + +Will format the message into +```text +"Self = `i8`, T = `i32`, this = `From`, trait = `From<i32>`, context = `a function`" ``` diff --git a/src/doc/rustc-dev-guide/src/early_late_parameters.md b/src/doc/rustc-dev-guide/src/early_late_parameters.md index 3b2a5e8a155..3f94b090566 100644 --- a/src/doc/rustc-dev-guide/src/early_late_parameters.md +++ b/src/doc/rustc-dev-guide/src/early_late_parameters.md @@ -174,7 +174,8 @@ As mentioned previously, the distinction between early and late bound parameters - When naming a function (early) - When calling a function (late) -There currently is no syntax for explicitly specifying generic arguments for late bound parameters as part of the call step, only specifying generic arguments when naming a function. The syntax `foo::<'static>();`, despite being part of a function call, behaves as `(foo::<'static>)();` and instantiates the early bound generic parameters on the function item type. +There is currently no syntax for explicitly specifying generic arguments for late bound parameters during the call step; generic arguments can only be specified for early bound parameters when naming a function. +The syntax `foo::<'static>();`, despite being part of a function call, behaves as `(foo::<'static>)();` and instantiates the early bound generic parameters on the function item type. See the following example: ```rust diff --git a/src/doc/rustc-dev-guide/src/fuzzing.md b/src/doc/rustc-dev-guide/src/fuzzing.md index b588ca104cb..30005378617 100644 --- a/src/doc/rustc-dev-guide/src/fuzzing.md +++ b/src/doc/rustc-dev-guide/src/fuzzing.md @@ -73,21 +73,32 @@ To build a corpus, you may want to use: - The rustc/rust-analyzer/clippy test suites (or even source code) --- though avoid tests that are already known to cause failures, which often begin with comments - like `// failure-status: 101` or `// known-bug: #NNN`. -- The already-fixed ICEs in [Glacier][glacier] --- though avoid the unfixed - ones in `ices/`! + like `//@ failure-status: 101` or `//@ known-bug: #NNN`. +- The already-fixed ICEs in the archived [Glacier][glacier] repository --- though + avoid the unfixed ones in `ices/`! + +[glacier]: https://github.com/rust-lang/glacier ## Extra credit Here are a few things you can do to help the Rust project after filing an ICE. -- [Bisect][bisect] the bug to figure out when it was introduced +- [Bisect][bisect] the bug to figure out when it was introduced. + If you find the regressing PR / commit, you can mark the issue with the label + `S-has-bisection`. If not, consider applying `E-needs-bisection` instead. - Fix "distractions": problems with the test case that don't contribute to triggering the ICE, such as syntax errors or borrow-checking errors -- Minimize the test case (see below) -- Add the minimal test case to [Glacier][glacier] +- Minimize the test case (see below). If successful, you can label the + issue with `S-has-mcve`. Otherwise, you can apply `E-needs-mcve`. +- Add the minimal test case to the rust-lang/rust repo as a [crashes test]. + While you're at it, consider including other "untracked" crashes in your PR. + Please don't forget to mark your issue with `S-bug-has-test` afterwards. + +See also [applying and removing labels][labeling]. [bisect]: https://rust-lang.github.io/cargo-bisect-rustc/ +[crashes test]: tests/compiletest.html#crashes-tests +[labeling]: https://forge.rust-lang.org/release/issue-triaging.html#applying-and-removing-labels ## Minimization @@ -143,7 +154,6 @@ ICEs that require debug assertions to reproduce should be tagged - [tree-splicer][tree-splicer] generates new source files by combining existing ones while maintaining correct syntax -[glacier]: https://github.com/rust-lang/glacier [fuzz-rustc]: https://github.com/dwrensha/fuzz-rustc [icemaker]: https://github.com/matthiaskrgr/icemaker/ [tree-splicer]: https://github.com/langston-barrett/tree-splicer/ diff --git a/src/doc/rustc-dev-guide/src/getting-started.md b/src/doc/rustc-dev-guide/src/getting-started.md index 8bf14bef2a0..435202ca6c8 100644 --- a/src/doc/rustc-dev-guide/src/getting-started.md +++ b/src/doc/rustc-dev-guide/src/getting-started.md @@ -89,7 +89,7 @@ filtering the search to areas you're interested in. For example: Not all important or beginner work has issue labels. See below for how to find work that isn't labelled. -[help-wanted-search]: https://github.com/issues?q=is%3Aopen+is%3Aissue+org%3Arust-lang+no%3Aassignee+label%3AE-easy%2C%22good+first+issue%22%2Cgood-first-issue%2CE-medium%2CEasy%2CE-help-wanted%2CE-mentor+-label%3AS-blocked+ +[help-wanted-search]: https://github.com/issues?q=is%3Aopen+is%3Aissue+org%3Arust-lang+no%3Aassignee+label%3AE-easy%2C%22good+first+issue%22%2Cgood-first-issue%2CE-medium%2CEasy%2CE-help-wanted%2CE-mentor+-label%3AS-blocked+-linked%3Apr+ [Triage]: ./contributing.md#issue-triage ### Recurring work @@ -98,8 +98,6 @@ Some work is too large to be done by a single person. In this case, it's common issues" to co-ordinate the work between contributors. Here are some example tracking issues where it's easy to pick up work without a large time commitment: -- [Rustdoc Askama Migration](https://github.com/rust-lang/rust/issues/108868) -- [Diagnostic Translation](https://github.com/rust-lang/rust/issues/100717) - [Move UI tests to subdirectories](https://github.com/rust-lang/rust/issues/73494) If you find more recurring work, please feel free to add it here! diff --git a/src/doc/rustc-dev-guide/src/memory.md b/src/doc/rustc-dev-guide/src/memory.md index eeb4a813980..f766a51898e 100644 --- a/src/doc/rustc-dev-guide/src/memory.md +++ b/src/doc/rustc-dev-guide/src/memory.md @@ -63,7 +63,7 @@ represented as a slice `&'tcx [tcx.types.i32, tcx.types.u32]`). [`mk_args`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/context/struct.TyCtxt.html#method.mk_args [adtdefid]: ./ty_module/generic_arguments.md#adtdef-and-defid [`Predicate`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.Predicate.html -[`TraitRef`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.TraitRef.html +[`TraitRef`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/type.TraitRef.html [`ty::TyKind`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/sty/type.TyKind.html [traits]: ./traits/resolution.md diff --git a/src/doc/rustc-dev-guide/src/normalization.md b/src/doc/rustc-dev-guide/src/normalization.md index ef530ccc5ed..9705b1a244a 100644 --- a/src/doc/rustc-dev-guide/src/normalization.md +++ b/src/doc/rustc-dev-guide/src/normalization.md @@ -166,7 +166,10 @@ In this example: When interfacing with the type system it will often be the case that it's necessary to request a type be normalized. There are a number of different entry points to the underlying normalization logic and each entry point should only be used in specific parts of the compiler. -An additional complication is that the compiler is currently undergoing a transition from the old trait solver to the new trait solver. As part of this transition our approach to normalization in the compiler has changed somewhat significantly, resulting in some normalization entry points being "old solver only" slated for removal in the long-term once the new solver has stabilized. +<!-- date-check: May 2025 --> +An additional complication is that the compiler is currently undergoing a transition from the old trait solver to the new trait solver. +As part of this transition our approach to normalization in the compiler has changed somewhat significantly, resulting in some normalization entry points being "old solver only" slated for removal in the long-term once the new solver has stabilized. +The transition can be tracked via the [WG-trait-system-refactor](https://github.com/rust-lang/rust/labels/WG-trait-system-refactor) label in Github. Here is a rough overview of the different entry points to normalization in the compiler: - `infcx.at.structurally_normalize` @@ -306,4 +309,4 @@ Const aliases differ from type aliases a bit here; well formedness of const alia [^5]: Const aliases certainly wouldn't be *less* sound than type aliases if we stopped doing this -[const_evaluatable]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/type.ClauseKind.html#variant.ConstEvaluatable \ No newline at end of file +[const_evaluatable]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/type.ClauseKind.html#variant.ConstEvaluatable diff --git a/src/doc/rustc-dev-guide/src/notification-groups/rust-for-linux.md b/src/doc/rustc-dev-guide/src/notification-groups/rust-for-linux.md index 9ba4eff629e..696f2038e1a 100644 --- a/src/doc/rustc-dev-guide/src/notification-groups/rust-for-linux.md +++ b/src/doc/rustc-dev-guide/src/notification-groups/rust-for-linux.md @@ -1,9 +1,9 @@ # Rust for Linux notification group -**Github Label:** [O-rfl] <br> +**Github Label:** [A-rust-for-linux] <br> **Ping command:** `@rustbot ping rfl` -[O-rfl]: https://github.com/rust-lang/rust/labels/O-rfl +[A-rust-for-linux]: https://github.com/rust-lang/rust/labels/A-rust-for-linux This list will be used to notify [Rust for Linux (RfL)][rfl] maintainers when the compiler or the standard library changes in a way that would diff --git a/src/doc/rustc-dev-guide/src/opaque-types-impl-trait-inference.md b/src/doc/rustc-dev-guide/src/opaque-types-impl-trait-inference.md index bdf4e4cd870..42600ad87f8 100644 --- a/src/doc/rustc-dev-guide/src/opaque-types-impl-trait-inference.md +++ b/src/doc/rustc-dev-guide/src/opaque-types-impl-trait-inference.md @@ -13,13 +13,16 @@ it can work across functions and function bodies. To help explain how it works, let's consider an example. ```rust +#![feature(type_alias_impl_trait)] mod m { pub type Seq<T> = impl IntoIterator<Item = T>; + #[define_opaque(Seq)] pub fn produce_singleton<T>(t: T) -> Seq<T> { vec![t] } + #[define_opaque(Seq)] pub fn produce_doubleton<T>(t: T, u: T) -> Seq<T> { vec![t, u] } diff --git a/src/doc/rustc-dev-guide/src/return-position-impl-trait-in-trait.md b/src/doc/rustc-dev-guide/src/return-position-impl-trait-in-trait.md index 5f358819c36..85cece2acd4 100644 --- a/src/doc/rustc-dev-guide/src/return-position-impl-trait-in-trait.md +++ b/src/doc/rustc-dev-guide/src/return-position-impl-trait-in-trait.md @@ -356,7 +356,7 @@ trait Foo { Failing because a down-stream impl could theoretically provide an implementation for `RPITIT` without providing an implementation of -`foo`: +`bar`: ```text error[E0308]: mismatched types diff --git a/src/doc/rustc-dev-guide/src/rustc-driver/intro.md b/src/doc/rustc-dev-guide/src/rustc-driver/intro.md index 40500e6bc7a..a3684397b29 100644 --- a/src/doc/rustc-dev-guide/src/rustc-driver/intro.md +++ b/src/doc/rustc-dev-guide/src/rustc-driver/intro.md @@ -7,8 +7,8 @@ It acts as the glue for running the various phases of the compiler in the correc using the interface defined in the [`rustc_interface`] crate. Where possible, using [`rustc_driver`] rather than [`rustc_interface`] is recommended. The main entry point of [`rustc_driver`] is [`rustc_driver::run_compiler`][rd_rc]. -This builder accepts the same command-line args as rustc as well as an implementation of [`Callbacks`][cb] and a couple of other optional options. -[`Callbacks`][cb] is a `trait` that allows for custom compiler configuration, +This builder accepts the same command-line args as rustc as well as an implementation of [`Callbacks`] and a couple of other optional options. +[`Callbacks`] is a `trait` that allows for custom compiler configuration, as well as allowing custom code to run after different phases of the compilation. ## `rustc_interface` @@ -33,14 +33,8 @@ specifically [`rustc_driver_impl::run_compiler`][rdi_rc] [`Compiler`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/struct.Compiler.html [`rustc_driver`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/ [`rustc_interface`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/index.html -[`Session`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_session/struct.Session.html -[`SourceMap`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/source_map/struct.SourceMap.html -[`TyCtxt`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.TyCtxt.html -[Appendix A]: appendix/stupid-stats.html -[cb]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/trait.Callbacks.html +[`Callbacks`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/trait.Callbacks.html [example]: https://github.com/rust-lang/rustc-dev-guide/blob/master/examples/rustc-interface-example.rs [i_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/fn.run_compiler.html [rd_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/fn.run_compiler.html [rdi_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver_impl/fn.run_compiler.html -[stupid-stats]: https://github.com/nrc/stupid-stats -[`nightly-rustc`]: https://doc.rust-lang.org/nightly/nightly-rustc/ diff --git a/src/doc/rustc-dev-guide/src/rustdoc-internals.md b/src/doc/rustc-dev-guide/src/rustdoc-internals.md index 80421b85bf0..bc91c62d873 100644 --- a/src/doc/rustc-dev-guide/src/rustdoc-internals.md +++ b/src/doc/rustc-dev-guide/src/rustdoc-internals.md @@ -281,10 +281,10 @@ using `XPath` notation to get a precise look at the output. The full description of all the commands available to `rustdoc` tests (e.g. [`@has`] and [`@matches`]) is in [`htmldocck.py`]. -To use multiple crates in a `rustdoc` test, add `// aux-build:filename.rs` +To use multiple crates in a `rustdoc` test, add `//@ aux-build:filename.rs` to the top of the test file. `filename.rs` should be placed in an `auxiliary` directory relative to the test file with the comment. If you need to build -docs for the auxiliary file, use `// build-aux-docs`. +docs for the auxiliary file, use `//@ build-aux-docs`. In addition, there are separate tests for the search index and `rustdoc`'s ability to query it. The files in `tests/rustdoc-js` each contain a diff --git a/src/doc/rustc-dev-guide/src/rustdoc.md b/src/doc/rustc-dev-guide/src/rustdoc.md index e36d6a388a9..de70ba63823 100644 --- a/src/doc/rustc-dev-guide/src/rustdoc.md +++ b/src/doc/rustc-dev-guide/src/rustdoc.md @@ -93,13 +93,13 @@ does is call the `main()` that's in this crate's `lib.rs`, though.) interactivity. For information on how to write this form of test, see [`tests/rustdoc-gui/README.md`][rustdoc-gui-readme] as well as [the description of the `.goml` format][goml-script] -* Additionally, JavaScript type annotations are written using [TypeScript-flavored JSDoc] - comments and an external d.ts file. The code itself is plain, valid JavaScript; we only - use tsc as a linter. -* The tests on the structure of rustdoc HTML output are located in `tests/rustdoc`, +* Tests on the structure of rustdoc HTML output are located in `tests/rustdoc`, where they're handled by the test runner of bootstrap and the supplementary script `src/etc/htmldocck.py`. [These tests have several extra directives available to them](./rustdoc-internals/rustdoc-test-suite.md). +* Additionally, JavaScript type annotations are written using [TypeScript-flavored JSDoc] + comments and an external d.ts file. The code itself is plain, valid JavaScript; we only + use tsc as a linter. [TypeScript-flavored JSDoc]: https://www.typescriptlang.org/docs/handbook/jsdoc-supported-types.html [rustdoc-gui-readme]: https://github.com/rust-lang/rust/blob/master/tests/rustdoc-gui/README.md @@ -116,6 +116,28 @@ Certain browser features that require secure origins, like `localStorage` and Service Workers, don't work reliably. We can still use such features but we should make sure pages are still usable without them. +Rustdoc [does not type-check function bodies][platform-specific docs]. +This works by [overriding the built-in queries for typeck][override queries], +by [silencing name resolution errors], and by [not resolving opaque types]. +This comes with several caveats: in particular, rustdoc *cannot* run any parts of the compiler that +require type-checking bodies; for example it cannot generate `.rlib` files or run most lints. +We want to move away from this model eventually, but we need some alternative for +[the people using it][async-std]; see [various][zulip stop accepting broken code] +[previous][rustdoc meeting 2024-07-08] [zulip][compiler meeting 2023-01-26] [discussion][notriddle rfc]. +For examples of code that breaks if this hack is removed, see +[`tests/rustdoc-ui/error-in-impl-trait`]. + +[platform-specific docs]: https://doc.rust-lang.org/rustdoc/advanced-features.html#interactions-between-platform-specific-docs +[override queries]: https://github.com/rust-lang/rust/blob/52bf0cf795dfecc8b929ebb1c1e2545c3f41d4c9/src/librustdoc/core.rs#L299-L323 +[silencing name resolution errors]: https://github.com/rust-lang/rust/blob/52bf0cf795dfecc8b929ebb1c1e2545c3f41d4c9/compiler/rustc_resolve/src/late.rs#L4517 +[not resolving opaque types]: https://github.com/rust-lang/rust/blob/52bf0cf795dfecc8b929ebb1c1e2545c3f41d4c9/compiler/rustc_hir_analysis/src/check/check.rs#L188-L194 +[async-std]: https://github.com/rust-lang/rust/issues/75100 +[rustdoc meeting 2024-07-08]: https://rust-lang.zulipchat.com/#narrow/channel/393423-t-rustdoc.2Fmeetings/topic/meeting.202024-07-08/near/449969836 +[compiler meeting 2023-01-26]: https://rust-lang.zulipchat.com/#narrow/channel/238009-t-compiler.2Fmeetings/topic/.5Bweekly.5D.202023-01-26/near/323755789 +[zulip stop accepting broken code]: https://rust-lang.zulipchat.com/#narrow/stream/266220-rustdoc/topic/stop.20accepting.20broken.20code +[notriddle rfc]: https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/Pre-RFC.3A.20stop.20accepting.20broken.20code +[`tests/rustdoc-ui/error-in-impl-trait`]: https://github.com/rust-lang/rust/tree/163cb4ea3f0ae3bc7921cc259a08a7bf92e73ee6/tests/rustdoc-ui/error-in-impl-trait + ## Multiple runs, same output directory Rustdoc can be run multiple times for varying inputs, with its output set to the diff --git a/src/doc/rustc-dev-guide/src/solve/coinduction.md b/src/doc/rustc-dev-guide/src/solve/coinduction.md index c682e002db7..9753f7539c2 100644 --- a/src/doc/rustc-dev-guide/src/solve/coinduction.md +++ b/src/doc/rustc-dev-guide/src/solve/coinduction.md @@ -237,14 +237,14 @@ Alternatively, we could simply always treat the equate branch of `normalizes_to` Any cycles should result in infinite types, which aren't supported anyways and would only result in overflow when deeply normalizing for codegen. -experimentation and examples: https://hackmd.io/-8p0AHnzSq2VAE6HE_wX-w?view +experimentation and examples: <https://hackmd.io/-8p0AHnzSq2VAE6HE_wX-w?view> Another attempt at a summary. - in projection eq, we must make progress with constraining the rhs - a cycle is only ok if while equating we have a rigid ty on the lhs after norm at least once - cycles outside of the recursive `eq` call of `normalizes_to` are always fine -[^1]: related: https://coq.inria.fr/refman/language/core/coinductive.html#top-level-definitions-of-corecursive-functions +[^1]: related: <https://coq.inria.fr/refman/language/core/coinductive.html#top-level-definitions-of-corecursive-functions> [perfect derive]: https://smallcultfollowing.com/babysteps/blog/2022/04/12/implied-bounds-and-perfect-derive [ex1]: https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=0a9c3830b93a2380e6978d6328df8f72 diff --git a/src/doc/rustc-dev-guide/src/solve/opaque-types.md b/src/doc/rustc-dev-guide/src/solve/opaque-types.md index 509c34a4d3a..6898ef3aa78 100644 --- a/src/doc/rustc-dev-guide/src/solve/opaque-types.md +++ b/src/doc/rustc-dev-guide/src/solve/opaque-types.md @@ -1,8 +1,10 @@ # Opaque types in the new solver -The way opaque types are handled in the new solver differs from the old implementation. +The way [opaque types] are handled in the new solver differs from the old implementation. This should be a self-contained explanation of the behavior in the new solver. +[opaque types]: ../opaque-types-type-alias-impl-trait.md + ## opaques are alias types Opaque types are treated the same as other aliases, most notabily associated types, diff --git a/src/doc/rustc-dev-guide/src/tests/ci.md b/src/doc/rustc-dev-guide/src/tests/ci.md index 825be11c82a..ef3f4c7070c 100644 --- a/src/doc/rustc-dev-guide/src/tests/ci.md +++ b/src/doc/rustc-dev-guide/src/tests/ci.md @@ -66,9 +66,9 @@ kinds of builds (sets of jobs). ### Pull Request builds After each push to a pull request, a set of `pr` jobs are executed. Currently, -these execute the `x86_64-gnu-llvm-X`, `x86_64-gnu-tools`, `mingw-check` and -`mingw-check-tidy` jobs, all running on Linux. These execute a relatively short -(~30 minutes) and lightweight test suite that should catch common issues. More +these execute the `x86_64-gnu-llvm-X`, `x86_64-gnu-tools`, `mingw-check-1`, `mingw-check-2` +and `mingw-check-tidy` jobs, all running on Linux. These execute a relatively short +(~40 minutes) and lightweight test suite that should catch common issues. More specifically, they run a set of lints, they try to perform a cross-compile check build to Windows mingw (without producing any artifacts) and they test the compiler using a *system* version of LLVM. Unfortunately, it would take too many @@ -100,8 +100,8 @@ Most platforms only run the build steps, some run a restricted set of tests, only a subset run the full suite of tests (see Rust's [platform tiers]). Auto jobs are defined in the `auto` section of [`jobs.yml`]. They are executed -on the `auto` branch under the `rust-lang-ci/rust` repository[^rust-lang-ci] and -their results can be seen [here](https://github.com/rust-lang-ci/rust/actions), +on the `auto` branch under the `rust-lang/rust` repository and +their results can be seen [here](https://github.com/rust-lang/rust/actions), although usually you will be notified of the result by a comment made by bors on the corresponding PR. @@ -110,9 +110,6 @@ more [here](#merging-prs-serially-with-bors). [platform tiers]: https://forge.rust-lang.org/release/platform-support.html#rust-platform-support -[^rust-lang-ci]: The `auto` and `try` jobs run under the `rust-lang-ci` fork for - historical reasons. This may change in the future. - ### Try builds Sometimes we want to run a subset of the test suite on CI for a given PR, or @@ -179,8 +176,8 @@ the pattern as Markdown. > that are exercised this way. Try jobs are defined in the `try` section of [`jobs.yml`]. They are executed on -the `try` branch under the `rust-lang-ci/rust` repository[^rust-lang-ci] and -their results can be seen [here](https://github.com/rust-lang-ci/rust/actions), +the `try` branch under the `rust-lang/rust` repository and +their results can be seen [here](https://github.com/rust-lang/rust/actions), although usually you will be notified of the result by a comment made by bors on the corresponding PR. @@ -355,7 +352,7 @@ invalidated if one of the following changes: - Files copied into the Docker image in the Dockerfile - The architecture of the GitHub runner (x86 or ARM) -[ghcr.io]: https://github.com/rust-lang-ci/rust/pkgs/container/rust-ci +[ghcr.io]: https://github.com/rust-lang/rust/pkgs/container/rust-ci [Docker registry caching]: https://docs.docker.com/build/cache/backends/registry/ ### LLVM caching with sccache @@ -446,7 +443,7 @@ particular job, it is probably easiest to just look at the build log. To do this: 1. Go to - <https://github.com/rust-lang-ci/rust/actions?query=branch%3Aauto+is%3Asuccess> + <https://github.com/rust-lang/rust/actions?query=branch%3Aauto+is%3Asuccess> to find the most recently successful build, and click on it. 2. Choose the job you are interested in on the left-hand side. 3. Click on the gear icon and choose "View raw logs" @@ -458,7 +455,6 @@ this: [`jobs.yml`]: https://github.com/rust-lang/rust/blob/master/src/ci/github-actions/jobs.yml [`.github/workflows/ci.yml`]: https://github.com/rust-lang/rust/blob/master/.github/workflows/ci.yml [`src/ci/citool`]: https://github.com/rust-lang/rust/blob/master/src/ci/citool -[rust-lang-ci]: https://github.com/rust-lang-ci/rust/actions [bors]: https://github.com/bors [homu]: https://github.com/rust-lang/homu [merge queue]: https://bors.rust-lang.org/queue/rust diff --git a/src/doc/rustc-dev-guide/src/tests/compiletest.md b/src/doc/rustc-dev-guide/src/tests/compiletest.md index 0ba078f0b49..e1b23748de3 100644 --- a/src/doc/rustc-dev-guide/src/tests/compiletest.md +++ b/src/doc/rustc-dev-guide/src/tests/compiletest.md @@ -546,10 +546,10 @@ only running the main `coverage` suite. [`tests/crashes`] serve as a collection of tests that are expected to cause the compiler to ICE, panic or crash in some other way, so that accidental fixes are -tracked. This was formally done at <https://github.com/rust-lang/glacier> but +tracked. Formerly, this was done at <https://github.com/rust-lang/glacier> but doing it inside the rust-lang/rust testsuite is more convenient. -It is imperative that a test in the suite causes rustc to ICE, panic or crash +It is imperative that a test in the suite causes rustc to ICE, panic, or crash in some other way. A test will "pass" if rustc exits with an exit status other than 1 or 0. @@ -560,9 +560,12 @@ If you want to see verbose stdout/stderr, you need to set $ COMPILETEST_VERBOSE_CRASHES=1 ./x test tests/crashes/999999.rs --stage 1 ``` -When adding crashes from <https://github.com/rust-lang/rust/issues>, the issue -number should be noted in the file name (`12345.rs` should suffice) and also -inside the file include a `//@ known-bug: #4321` directive. +Anyone can add ["untracked" crashes] from the issue tracker. It's strongly +recommended to include test cases from several issues in a single PR. +When you do so, each issue number should be noted in the file name (`12345.rs` +should suffice) and also inside the file by means of a `//@ known-bug: #12345` +directive. Please [label][labeling] the relevant issues with `S-bug-has-test` +afterwards. If you happen to fix one of the crashes, please move it to a fitting subdirectory in `tests/ui` and give it a meaningful name. Please add a doc @@ -585,6 +588,8 @@ a subset first. The issue numbers can be found in the file name or the `//@ known-bug` directive inside the test file. [`tests/crashes`]: https://github.com/rust-lang/rust/tree/master/tests/crashes +["untracked" crashes]: https://github.com/rust-lang/rust/issues?q=is%3Aissue+state%3Aopen+label%3AI-ICE%2CI-crash+label%3AT-compiler+label%3AS-has-mcve+-label%3AS-bug-has-test +[labeling]: https://forge.rust-lang.org/release/issue-triaging.html#applying-and-removing-labels ## Building auxiliary crates @@ -614,7 +619,7 @@ file). The `-L` flag is used to find the extern crates. `aux-crate` is very similar to `aux-build`. However, it uses the `--extern` flag to link to the extern crate to make the crate be available as an extern prelude. That allows you to specify the additional syntax of the `--extern` flag, such as -renaming a dependency. For example, `// aux-crate:foo=bar.rs` will compile +renaming a dependency. For example, `//@ aux-crate:foo=bar.rs` will compile `auxiliary/bar.rs` and make it available under then name `foo` within the test. This is similar to how Cargo does dependency renaming. diff --git a/src/doc/rustc-dev-guide/src/tests/directives.md b/src/doc/rustc-dev-guide/src/tests/directives.md index dae659e6317..8a862417b0d 100644 --- a/src/doc/rustc-dev-guide/src/tests/directives.md +++ b/src/doc/rustc-dev-guide/src/tests/directives.md @@ -59,7 +59,7 @@ not be exhaustive. Directives can generally be found by browsing the | `aux-crate` | Like `aux-build` but makes available as extern prelude | All except `run-make` | `<extern_prelude_name>=<path/to/aux/file.rs>` | | `aux-codegen-backend` | Similar to `aux-build` but pass the compiled dylib to `-Zcodegen-backend` when building the main file | `ui-fulldeps` | Path to codegen backend file | | `proc-macro` | Similar to `aux-build`, but for aux forces host and don't use `-Cprefer-dynamic`[^pm]. | All except `run-make` | Path to auxiliary proc-macro `.rs` file | -| `build_aux_docs` | Build docs for auxiliaries as well | All except `run-make` | N/A | +| `build-aux-docs` | Build docs for auxiliaries as well | All except `run-make` | N/A | [^pm]: please see the Auxiliary proc-macro section in the [compiletest](./compiletest.md) chapter for specifics. diff --git a/src/doc/rustc-dev-guide/src/tests/ui.md b/src/doc/rustc-dev-guide/src/tests/ui.md index 721d20b65c5..3402838da87 100644 --- a/src/doc/rustc-dev-guide/src/tests/ui.md +++ b/src/doc/rustc-dev-guide/src/tests/ui.md @@ -192,7 +192,7 @@ They have several forms, but generally are a comment with the diagnostic level to write out the entire message, just make sure to include the important part of the message to make it self-documenting. -The error annotation needs to match with the line of the diagnostic. There are +Most error annotations need to match with the line of the diagnostic. There are several ways to match the message with the line (see the examples below): * `~`: Associates the error level and message with the *current* line @@ -205,9 +205,6 @@ several ways to match the message with the line (see the examples below): * `~v`: Associates the error level and message with the *next* error annotation line. Each symbol (`v`) that you add adds a line to this, so `~vvv` is three lines below the error annotation line. -* `~?`: Used to match error levels and messages with errors not having line - information. These can be placed on any line in the test file, but are - conventionally placed at the end. Example: @@ -222,6 +219,10 @@ The space character between `//~` (or other variants) and the subsequent text is negligible (i.e. there is no semantic difference between `//~ ERROR` and `//~ERROR` although the former is more common in the codebase). +`~? <diagnostic kind>` (example being `~? ERROR`) +is used to match diagnostics without line information. +These can be placed on any line in the test file, but are conventionally placed at the end. + ### Error annotation examples Here are examples of error annotations on different lines of UI test source. diff --git a/src/doc/rustc-dev-guide/src/ty_module/binders.md b/src/doc/rustc-dev-guide/src/ty_module/binders.md index 71157eca9b1..7fd9eeed54a 100644 --- a/src/doc/rustc-dev-guide/src/ty_module/binders.md +++ b/src/doc/rustc-dev-guide/src/ty_module/binders.md @@ -1,6 +1,6 @@ # `Binder` and Higher ranked regions -Sometimes we define generic parameters not on an item but as part of a type or a where clauses. As an example the type `for<'a> fn(&'a u32)` or the where clause `for<'a> T: Trait<'a>` both introduce a generic lifetime named `'a`. Currently there is no stable syntax for `for<T>` or `for<const N: usize>` but on nightly `feature(non_lifetime_binders)` feature can be used to write where clauses (but not types) using `for<T>`/`for<const N: usize>`. +Sometimes we define generic parameters not on an item but as part of a type or a where clause. As an example the type `for<'a> fn(&'a u32)` or the where clause `for<'a> T: Trait<'a>` both introduce a generic lifetime named `'a`. Currently there is no stable syntax for `for<T>` or `for<const N: usize>` but on nightly `feature(non_lifetime_binders)` can be used to write where clauses (but not types) using `for<T>`/`for<const N: usize>`. The `for` is referred to as a "binder" because it brings new names into scope. In rustc we use the `Binder` type to track where these parameters are introduced and what the parameters are (i.e. how many and whether the parameter is a type/const/region). A type such as `for<'a> fn(&'a u32)` would be represented in rustc as: @@ -13,8 +13,9 @@ Binder( Usages of these parameters is represented by the `RegionKind::Bound` (or `TyKind::Bound`/`ConstKind::Bound` variants). These bound regions/types/consts are composed of two main pieces of data: - A [DebruijnIndex](../appendix/background.md#what-is-a-de-bruijn-index) to specify which binder we are referring to. -- A [`BoundVar`] which specifies which of the parameters the `Binder` introduces we are referring to. -- We also sometimes store some extra information for diagnostics reasons via the [`BoundTyKind`]/[`BoundRegionKind`] but this is not important for type equality or more generally the semantics of `Ty`. (omitted from the above example) +- A [`BoundVar`] which specifies which of the parameters that the `Binder` introduces we are referring to. + +We also sometimes store some extra information for diagnostics reasons via the [`BoundTyKind`]/[`BoundRegionKind`] but this is not important for type equality or more generally the semantics of `Ty`. (omitted from the above example) In debug output (and also informally when talking to each other) we tend to write these bound variables in the format of `^DebruijnIndex_BoundVar`. The above example would instead be written as `Binder(fn(&'^0_0), &[BoundVariableKind::Region])`. Sometimes when the `DebruijnIndex` is `0` we just omit it and would write `^0`. @@ -43,7 +44,7 @@ Binder( &[BoundVariableKind::Region(...)], ) ``` -This would cause all kinds of issues as the region `'^1_0` refers to a binder at a higher level than the outermost binder i.e. it is an escaping bound var. The `'^1` region (also writeable as `'^0_1`) is also ill formed as the binder it refers to does not introduce a second parameter. Modern day rustc will ICE when constructing this binder due to both of those regions, in the past we would have simply allowed this to work and then ran into issues in other parts of the codebase. +This would cause all kinds of issues as the region `'^1_0` refers to a binder at a higher level than the outermost binder i.e. it is an escaping bound var. The `'^1` region (also writeable as `'^0_1`) is also ill formed as the binder it refers to does not introduce a second parameter. Modern day rustc will ICE when constructing this binder due to both of those reasons, in the past we would have simply allowed this to work and then ran into issues in other parts of the codebase. [`Binder`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.Binder.html [`BoundVar`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.BoundVar.html diff --git a/src/doc/rustc-dev-guide/src/ty_module/instantiating_binders.md b/src/doc/rustc-dev-guide/src/ty_module/instantiating_binders.md index 04d56ccbc63..e3f091ca45f 100644 --- a/src/doc/rustc-dev-guide/src/ty_module/instantiating_binders.md +++ b/src/doc/rustc-dev-guide/src/ty_module/instantiating_binders.md @@ -105,7 +105,8 @@ the `RePlaceholder` for the `'b` parameter is in a higher universe to track the ## Instantiating with `ReLateParam` -As discussed in a previous chapter, `RegionKind` has two variants for representing generic parameters, `ReLateParam` and `ReEarlyParam`. `ReLateParam` is conceptually a `Placeholder` that is always in the root universe (`U0`). It is used when instantiating late bound parameters of functions/closures while inside of them. Its actual representation is relatively different from both `ReEarlyParam` and `RePlaceholder`: +As discussed in [the chapter about representing types][representing-types], `RegionKind` has two variants for representing generic parameters, `ReLateParam` and `ReEarlyParam`. +`ReLateParam` is conceptually a `Placeholder` that is always in the root universe (`U0`). It is used when instantiating late bound parameters of functions/closures while inside of them. Its actual representation is relatively different from both `ReEarlyParam` and `RePlaceholder`: - A `DefId` for the item that introduced the late bound generic parameter - A [`BoundRegionKind`] which either specifies the `DefId` of the generic parameter and its name (via a `Symbol`), or that this placeholder is representing the anonymous lifetime of a `Fn`/`FnMut` closure's self borrow. There is also a variant for `BrAnon` but this is not used for `ReLateParam`. @@ -133,6 +134,7 @@ Generally whenever we have a `Binder` for late bound parameters on a function/cl As a concrete example, accessing the signature of a function we are type checking will be represented as `EarlyBinder<Binder<FnSig>>`. As we are already "inside" of these binders, we would call `instantiate_identity` followed by `liberate_late_bound_regions`. [`liberate_late_bound_regions`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/context/struct.TyCtxt.html#method.liberate_late_bound_regions +[representing-types]: param_ty_const_regions.md [`BoundRegionKind`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/enum.BoundRegionKind.html [`enter_forall`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/infer/struct.InferCtxt.html#method.enter_forall [ch_placeholders_universes]: ../borrow_check/region_inference/placeholders_and_universes.md diff --git a/src/doc/rustc-dev-guide/src/ty_module/param_ty_const_regions.md b/src/doc/rustc-dev-guide/src/ty_module/param_ty_const_regions.md index c52f0c0df2a..493693c9a44 100644 --- a/src/doc/rustc-dev-guide/src/ty_module/param_ty_const_regions.md +++ b/src/doc/rustc-dev-guide/src/ty_module/param_ty_const_regions.md @@ -11,15 +11,15 @@ TyKind::Ref( There are three separate ways we represent usages of generic parameters: - [`TyKind::Param`]/[`ConstKind::Param`]/[`RegionKind::EarlyParam`] for early bound generic parameters (note: all type and const parameters are considered early bound, see the [chapter on early vs late bound parameters][ch_early_late_bound] for more information) -- [`TyKind::Bound`]/[`ConstKind::Bound`]/[`RegionKind::Bound`] for references to parameters introduced via higher ranked bounds or higher ranked types i.e. `for<'a> fn(&'a u32)` or `for<'a> T: Trait<'a>`. This will be discussed in the [chapter on `Binder`s][ch_binders]. -- [`RegionKind::LateParam`] for late bound lifetime parameters, `LateParam` will be discussed in the [chapter on instantiating `Binder`s][ch_instantiating_binders]. +- [`TyKind::Bound`]/[`ConstKind::Bound`]/[`RegionKind::Bound`] for references to parameters introduced via higher ranked bounds or higher ranked types i.e. `for<'a> fn(&'a u32)` or `for<'a> T: Trait<'a>`. This is discussed in the [chapter on `Binder`s][ch_binders]. +- [`RegionKind::LateParam`] for late bound lifetime parameters, `LateParam` is discussed in the [chapter on instantiating `Binder`s][ch_instantiating_binders]. -This chapter will only cover `TyKind::Param` `ConstKind::Param` and `RegionKind::EarlyParam`. +This chapter only covers `TyKind::Param` `ConstKind::Param` and `RegionKind::EarlyParam`. ## Ty/Const Parameters -As `TyKind::Param` and `ConstKind::Param` are implemented identically this section will only refer to `TyKind::Param` for simplicity. However -you should keep in mind that everything here also is true of `ConstKind::Param` +As `TyKind::Param` and `ConstKind::Param` are implemented identically this section only refers to `TyKind::Param` for simplicity. +However you should keep in mind that everything here also is true of `ConstKind::Param` Each `TyKind::Param` contains two things: the name of the parameter and an index. @@ -83,7 +83,7 @@ fn foo<'a, 'b, T: 'a>(one: T, two: &'a &'b u32) -> &'b u32 { } ``` -`RegionKind::LateParam` will be discussed more in the chapter on [instantiating binders][ch_instantiating_binders]. +`RegionKind::LateParam` is discussed more in the chapter on [instantiating binders][ch_instantiating_binders]. [ch_early_late_bound]: ../early_late_parameters.md [ch_binders]: ./binders.md diff --git a/src/doc/rustc-dev-guide/src/typing_parameter_envs.md b/src/doc/rustc-dev-guide/src/typing_parameter_envs.md index 67eaf51bf29..e21bc5155da 100644 --- a/src/doc/rustc-dev-guide/src/typing_parameter_envs.md +++ b/src/doc/rustc-dev-guide/src/typing_parameter_envs.md @@ -32,7 +32,7 @@ where <T as Trait>::Assoc: Clone, {} ``` -If we were conceptually inside of `foo` (for example, type-checking or linting it) we would use this `ParamEnv` everywhere that we interact with the type system. This would allow things such as normalization (TODO: write a chapter about normalization and link it), evaluating generic constants, and proving where clauses/goals, to rely on `T` being sized, implementing `Trait`, etc. +If we were conceptually inside of `foo` (for example, type-checking or linting it) we would use this `ParamEnv` everywhere that we interact with the type system. This would allow things such as [normalization], evaluating generic constants, and proving where clauses/goals, to rely on `T` being sized, implementing `Trait`, etc. A more concrete example: ```rust @@ -70,6 +70,7 @@ fn foo2<T>(a: T) { [predicates_of]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_hir_analysis/collect/predicates_of/fn.predicates_of.html [method_pred_entailment]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_hir_analysis/check/compare_impl_item/fn.compare_method_predicate_entailment.html [query]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/context/struct.TyCtxt.html#method.param_env +[normalization]: normalization.md ### Acquiring a `ParamEnv` @@ -199,8 +200,8 @@ In the next-gen trait solver the requirement for all where clauses in the `Param Depending on what context we are performing type system operations in, different behaviour may be required. For example during coherence there are stronger requirements about when we can consider goals to not hold or when we can consider types to be unequal. -Tracking which "phase" of the compiler type system operations are being performed in is done by the [`TypingMode`][tenv] enum. The documentation on the `TypingMode` enum is quite good so instead of repeating it here verbatim we would recommend reading the API documentation directly. +Tracking which "phase" of the compiler type system operations are being performed in is done by the [`TypingMode`][tmode] enum. The documentation on the `TypingMode` enum is quite good so instead of repeating it here verbatim we would recommend reading the API documentation directly. [penv]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.ParamEnv.html -[tenv]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_type_ir/infer_ctxt/enum.TypingMode.html +[tenv]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.TypingEnv.html [tmode]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/type.TypingMode.html diff --git a/src/doc/rustc-dev-guide/triagebot.toml b/src/doc/rustc-dev-guide/triagebot.toml index 53fa72469fd..978802edf3f 100644 --- a/src/doc/rustc-dev-guide/triagebot.toml +++ b/src/doc/rustc-dev-guide/triagebot.toml @@ -1,18 +1,82 @@ -[assign] +# This file's format is documented at +# https://forge.rust-lang.org/triagebot/pr-assignment.html#configuration + +[autolabel."needs-triage"] +new_issue = true +exclude_labels = [ + "A-diagnostics", + "C-tracking-issue", +] + +[review-submitted] +# This label is added when a "request changes" review is submitted. +reviewed_label = "S-waiting-on-author" +# These labels are removed when a "request changes" review is submitted. +review_labels = ["S-waiting-on-review"] + +[review-requested] +# Those labels are removed when PR author requests a review from an assignee +remove_labels = ["S-waiting-on-author"] +# Those labels are added when PR author requests a review from an assignee +add_labels = ["S-waiting-on-review"] + +# Enable shortcuts like `@rustbot ready` +# Documentation at: https://forge.rust-lang.org/triagebot/shortcuts.html +[shortcut] + +[autolabel."S-waiting-on-review"] +new_pr = true + +# Enable issue transfers within the org +# Documentation at: https://forge.rust-lang.org/triagebot/transfer.html +[transfer] [relabel] allow-unauthenticated = [ - "waiting-on-review", - "waiting-on-author", - "blocked", + "-Z*", + "A-*", + "C-*", + "D-*", + "E-*", + "F-*", + "I-*", + "L-*", + "O-*", + "PG-*", + "S-*", + "T-*", + "WG-*", + "needs-triage", ] +# Enable `@rustbot note` functionality +# Documentation at: https://forge.rust-lang.org/triagebot/note.html +[note] + +# Prevents mentions in commits to avoid users being spammed +# Documentation at: https://forge.rust-lang.org/triagebot/no-mentions.html [no-mentions] -[canonicalize-issue-links] +# Canonicalize issue numbers to avoid closing the wrong issue +# when commits are included in subtrees, as well as warning links in commits. +# Documentation at: https://forge.rust-lang.org/triagebot/issue-links.html +[issue-links] # Automatically close and reopen PRs made by bots to run CI on them [bot-pull-requests] [behind-upstream] -days-threshold = 7 \ No newline at end of file +days-threshold = 7 + +# Enable triagebot (PR) assignment. +# Documentation at: https://forge.rust-lang.org/triagebot/pr-assignment.html +[assign] + +# Keep members alphanumerically sorted. +[assign.adhoc_groups] +rustc-dev-guide = [ + "@BoxyUwU", + "@jieyouxu", + "@jyn514", + "@tshepang", +] diff --git a/src/doc/rustc/book.toml b/src/doc/rustc/book.toml index 167aece0ed6..01f127ad390 100644 --- a/src/doc/rustc/book.toml +++ b/src/doc/rustc/book.toml @@ -6,6 +6,8 @@ title = "The rustc book" [output.html] git-repository-url = "https://github.com/rust-lang/rust/tree/master/src/doc/rustc" edit-url-template = "https://github.com/rust-lang/rust/edit/master/src/doc/rustc/{path}" +additional-css = ["theme/pagetoc.css"] +additional-js = ["theme/pagetoc.js"] [output.html.search] use-boolean-and = true diff --git a/src/doc/rustc/src/check-cfg/cargo-specifics.md b/src/doc/rustc/src/check-cfg/cargo-specifics.md index 371bbd26e94..62a4dd1a390 100644 --- a/src/doc/rustc/src/check-cfg/cargo-specifics.md +++ b/src/doc/rustc/src/check-cfg/cargo-specifics.md @@ -9,8 +9,8 @@ rustc, not Cargo. --> This document is intended to summarize the principal ways Cargo interacts with -the `unexpected_cfgs` lint and `--check-cfg` flag. It is not intended to provide -individual details, for that refer to the [`--check-cfg` documentation](../check-cfg.md) and +the `unexpected_cfgs` lint and `--check-cfg` flag. +For individual details, refer to the [`--check-cfg` documentation](../check-cfg.md) and to the [Cargo book](../../cargo/index.html). > The full list of well known cfgs (aka builtins) can be found under [Checking conditional configurations / Well known names and values](../check-cfg.md#well-known-names-and-values). diff --git a/src/doc/rustc/src/platform-support/solaris.md b/src/doc/rustc/src/platform-support/solaris.md index 0452d76f6c2..c22b5c24c12 100644 --- a/src/doc/rustc/src/platform-support/solaris.md +++ b/src/doc/rustc/src/platform-support/solaris.md @@ -8,6 +8,7 @@ Rust for Solaris operating system. ## Target maintainers [@psumbera](https://github.com/psumbera) +[@kulikjak](https://github.com/kulikjak) ## Requirements diff --git a/src/doc/rustc/src/platform-support/x86_64-fortanix-unknown-sgx.md b/src/doc/rustc/src/platform-support/x86_64-fortanix-unknown-sgx.md index e52ad1ce828..42662fbc0a1 100644 --- a/src/doc/rustc/src/platform-support/x86_64-fortanix-unknown-sgx.md +++ b/src/doc/rustc/src/platform-support/x86_64-fortanix-unknown-sgx.md @@ -11,7 +11,7 @@ based on the ABI defined by Fortanix for the [Enclave Development Platform [@jethrogb](https://github.com/jethrogb) [@raoulstrackx](https://github.com/raoulstrackx) -[@mzohreva](https://github.com/mzohreva) +[@aditijannu](https://github.com/aditijannu) Further contacts: diff --git a/src/doc/rustc/theme/pagetoc.css b/src/doc/rustc/theme/pagetoc.css new file mode 100644 index 00000000000..fa709194f37 --- /dev/null +++ b/src/doc/rustc/theme/pagetoc.css @@ -0,0 +1,84 @@ +/* Inspired by https://github.com/JorelAli/mdBook-pagetoc/tree/98ee241 (under WTFPL) */ + +:root { + --toc-width: 270px; + --center-content-toc-shift: calc(-1 * var(--toc-width) / 2); +} + +.nav-chapters { + /* adjust width of buttons that bring to the previous or the next page */ + min-width: 50px; +} + +@media only screen { + @media (max-width: 1179px) { + .sidebar-hidden #sidetoc { + display: none; + } + } + + @media (max-width: 1439px) { + .sidebar-visible #sidetoc { + display: none; + } + } + + @media (1180px <= width <= 1439px) { + .sidebar-hidden main { + position: relative; + left: var(--center-content-toc-shift); + } + } + + @media (1440px <= width <= 1700px) { + .sidebar-visible main { + position: relative; + left: var(--center-content-toc-shift); + } + } + + #sidetoc { + margin-left: calc(100% + 20px); + } + #pagetoc { + position: fixed; + /* adjust TOC width */ + width: var(--toc-width); + height: calc(100vh - var(--menu-bar-height) - 0.67em * 4); + overflow: auto; + } + #pagetoc a { + border-left: 1px solid var(--sidebar-bg); + color: var(--fg); + display: block; + padding-bottom: 5px; + padding-top: 5px; + padding-left: 10px; + text-align: left; + text-decoration: none; + } + #pagetoc a:hover, + #pagetoc a.active { + background: var(--sidebar-bg); + color: var(--sidebar-active) !important; + } + #pagetoc .active { + background: var(--sidebar-bg); + color: var(--sidebar-active); + } + #pagetoc .pagetoc-H2 { + padding-left: 20px; + } + #pagetoc .pagetoc-H3 { + padding-left: 40px; + } + #pagetoc .pagetoc-H4 { + padding-left: 60px; + } +} + +@media print { + #sidetoc { + display: none; + } +} diff --git a/src/doc/rustc/theme/pagetoc.js b/src/doc/rustc/theme/pagetoc.js new file mode 100644 index 00000000000..927a5b10749 --- /dev/null +++ b/src/doc/rustc/theme/pagetoc.js @@ -0,0 +1,104 @@ +// Inspired by https://github.com/JorelAli/mdBook-pagetoc/tree/98ee241 (under WTFPL) + +let activeHref = location.href; +function updatePageToc(elem = undefined) { + let selectedPageTocElem = elem; + const pagetoc = document.getElementById("pagetoc"); + + function getRect(element) { + return element.getBoundingClientRect(); + } + + function overflowTop(container, element) { + return getRect(container).top - getRect(element).top; + } + + function overflowBottom(container, element) { + return getRect(container).bottom - getRect(element).bottom; + } + + // We've not selected a heading to highlight, and the URL needs updating + // so we need to find a heading based on the URL + if (selectedPageTocElem === undefined && location.href !== activeHref) { + activeHref = location.href; + for (const pageTocElement of pagetoc.children) { + if (pageTocElement.href === activeHref) { + selectedPageTocElem = pageTocElement; + } + } + } + + // We still don't have a selected heading, let's try and find the most + // suitable heading based on the scroll position + if (selectedPageTocElem === undefined) { + const margin = window.innerHeight / 3; + + const headers = document.getElementsByClassName("header"); + for (let i = 0; i < headers.length; i++) { + const header = headers[i]; + if (selectedPageTocElem === undefined && getRect(header).top >= 0) { + if (getRect(header).top < margin) { + selectedPageTocElem = header; + } else { + selectedPageTocElem = headers[Math.max(0, i - 1)]; + } + } + // a very long last section's heading is over the screen + if (selectedPageTocElem === undefined && i === headers.length - 1) { + selectedPageTocElem = header; + } + } + } + + // Remove the active flag from all pagetoc elements + for (const pageTocElement of pagetoc.children) { + pageTocElement.classList.remove("active"); + } + + // If we have a selected heading, set it to active and scroll to it + if (selectedPageTocElem !== undefined) { + for (const pageTocElement of pagetoc.children) { + if (selectedPageTocElem.href.localeCompare(pageTocElement.href) === 0) { + pageTocElement.classList.add("active"); + if (overflowTop(pagetoc, pageTocElement) > 0) { + pagetoc.scrollTop = pageTocElement.offsetTop; + } + if (overflowBottom(pagetoc, pageTocElement) < 0) { + pagetoc.scrollTop -= overflowBottom(pagetoc, pageTocElement); + } + } + } + } +} + +if (document.getElementById("sidetoc") === null && + document.getElementsByClassName("header").length > 0) { + // The sidetoc element doesn't exist yet, let's create it + + // Create the empty sidetoc and pagetoc elements + const sidetoc = document.createElement("div"); + const pagetoc = document.createElement("div"); + sidetoc.id = "sidetoc"; + pagetoc.id = "pagetoc"; + sidetoc.appendChild(pagetoc); + + // And append them to the current DOM + const main = document.querySelector('main'); + main.insertBefore(sidetoc, main.firstChild); + + // Populate sidebar on load + window.addEventListener("load", () => { + for (const header of document.getElementsByClassName("header")) { + const link = document.createElement("a"); + link.innerHTML = header.innerHTML; + link.href = header.hash; + link.classList.add("pagetoc-" + header.parentElement.tagName); + document.getElementById("pagetoc").appendChild(link); + link.onclick = () => updatePageToc(link); + } + updatePageToc(); + }); + + // Update page table of contents selected heading on scroll + window.addEventListener("scroll", () => updatePageToc()); +} diff --git a/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md b/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md index 45146993371..6ec93d1746c 100644 --- a/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md +++ b/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md @@ -88,8 +88,10 @@ on your documentation examples make requests to. ``` Now, when you press "run", the button will make a request to this domain. The request -URL will contain 2 query parameters: `code` and `edition` for the code in the documentation -and the Rust edition respectively. +URL will contain 3 query parameters: +1. `code` for the code in the documentation +2. `version` for the Rust channel, e.g. nightly, which is decided by whether `code` contain unstable features +3. `edition` for the Rust edition, e.g. 2024 If you don't use this attribute, there will be no run buttons. diff --git a/src/doc/unstable-book/README.md b/src/doc/unstable-book/README.md new file mode 100644 index 00000000000..7acdd32857f --- /dev/null +++ b/src/doc/unstable-book/README.md @@ -0,0 +1,8 @@ +# Unstable Book + +These are the sources for <https://doc.rust-lang.org/nightly/unstable-book/>. +To generate them, run `./x doc unstable-book`, which will generate HTML files in `build/host/doc/unstable-book` using `src/tools/rustbook`. +If you need to change the overall structure, modify `src/tools/unstable-book-gen/src/SUMMARY.md`. + +Note that most of this book is autogenerated by `unstable-book-gen`, with the exception of `compiler-flags` and `compiler-environment-variables`. +As a result, it does not integrate well with `mdbook`. Use `./x doc` instead. diff --git a/src/doc/unstable-book/src/compiler-environment-variables.md b/src/doc/unstable-book/src/compiler-environment-variables.md new file mode 100644 index 00000000000..db912fdf3ba --- /dev/null +++ b/src/doc/unstable-book/src/compiler-environment-variables.md @@ -0,0 +1 @@ +# Compiler environment variables diff --git a/src/doc/unstable-book/src/compiler-flags/rustc-bootstrap.md b/src/doc/unstable-book/src/compiler-environment-variables/RUSTC_BOOTSTRAP.md index 1520b86341b..fed28a33266 100644 --- a/src/doc/unstable-book/src/compiler-flags/rustc-bootstrap.md +++ b/src/doc/unstable-book/src/compiler-environment-variables/RUSTC_BOOTSTRAP.md @@ -14,7 +14,7 @@ Cargo disallows setting `cargo::rustc-env=RUSTC_BOOTSTRAP` in build scripts. Build systems can limit the features they enable with [`-Z allow-features=feature1,feature2`][Z-allow-features]. Crates can fully opt out of unstable features by using [`#![forbid(unstable_features)]`][unstable-features] at the crate root (or any other way of enabling lints, such as `-F unstable-features`). -[Z-allow-features]: ./allow-features.html +[Z-allow-features]: ../compiler-flags/allow-features.html [unstable-features]: ../../rustc/lints/listing/allowed-by-default.html#unstable-features ## Why does this environment variable exist? diff --git a/src/doc/unstable-book/src/compiler-flags/rustc-override-version-string.md b/src/doc/unstable-book/src/compiler-environment-variables/RUSTC_OVERRIDE_VERSION_STRING.md index 3d867b5f714..3d867b5f714 100644 --- a/src/doc/unstable-book/src/compiler-flags/rustc-override-version-string.md +++ b/src/doc/unstable-book/src/compiler-environment-variables/RUSTC_OVERRIDE_VERSION_STRING.md diff --git a/src/doc/unstable-book/src/compiler-flags/allow-features.md b/src/doc/unstable-book/src/compiler-flags/allow-features.md index 84fa465c89b..49a41a8c5a3 100644 --- a/src/doc/unstable-book/src/compiler-flags/allow-features.md +++ b/src/doc/unstable-book/src/compiler-flags/allow-features.md @@ -11,4 +11,4 @@ Features are comma-separated, for example `-Z allow-features=ffi_pure,f16`. If the flag is present, any feature listed will be allowed and any feature not listed will be disallowed. Any unrecognized feature is ignored. -[`RUSTC_BOOTSTRAP`]: ./rustc-bootstrap.html +[`RUSTC_BOOTSTRAP`]: ../compiler-environment-variables/RUSTC_BOOTSTRAP.html diff --git a/src/doc/unstable-book/src/compiler-flags/eagerly-emit-delayed-bugs.md b/src/doc/unstable-book/src/compiler-flags/eagerly-emit-delayed-bugs.md new file mode 100644 index 00000000000..39f0c04a1b5 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/eagerly-emit-delayed-bugs.md @@ -0,0 +1,12 @@ +# `eagerly-emit-delayed-bugs` + +This feature is perma-unstable and has no tracking issue. + +------------------------ + +This flag converts all [`span_delayed_bug()`] calls to [`bug!`] calls, exiting the compiler immediately and allowing you to generate a backtrace of where the delayed bug occurred. +For full documentation, see [the rustc-dev-guide][dev-guide-delayed]. + +[`bug!`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/macro.bug.html +[`span_delayed_bug()`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/struct.DiagCtxtHandle.html#method.span_delayed_bug +[dev-guide-delayed]: https://rustc-dev-guide.rust-lang.org/compiler-debugging.html#debugging-delayed-bugs diff --git a/src/doc/unstable-book/src/compiler-flags/no-steal-thir.md b/src/doc/unstable-book/src/compiler-flags/no-steal-thir.md new file mode 100644 index 00000000000..d83677d1711 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/no-steal-thir.md @@ -0,0 +1,7 @@ +# `no-steal-thir` + +By default, to save on memory, the THIR body (obtained from the `tcx.thir_body` query) is stolen +once no longer used. This is inconvenient for authors of rustc drivers who want to access the THIR. + +This option disables the stealing. This has no observable effect on compiler behavior, only on +memory usage. diff --git a/src/doc/unstable-book/src/compiler-flags/track-diagnostics.md b/src/doc/unstable-book/src/compiler-flags/track-diagnostics.md new file mode 100644 index 00000000000..48620214407 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/track-diagnostics.md @@ -0,0 +1,11 @@ +# `track-diagnostics` + +This feature is perma-unstable and has no tracking issue. + +------------------------ + +This flag prints the source code span in the compiler where a diagnostic was generated, respecting [`#[track_caller]`][track_caller]. Note that this may be different from the place it was emitted. +For full documentation, see [the rustc-dev-guide][dev-guide-track-diagnostics]. + +[track_caller]: https://doc.rust-lang.org/reference/attributes/codegen.html#the-track_caller-attribute +[dev-guide-track-diagnostics]: https://rustc-dev-guide.rust-lang.org/compiler-debugging.html#getting-the-error-creation-location diff --git a/src/doc/unstable-book/src/compiler-flags/treat-err-as-bug.md b/src/doc/unstable-book/src/compiler-flags/treat-err-as-bug.md new file mode 100644 index 00000000000..df7c380a50b --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/treat-err-as-bug.md @@ -0,0 +1,13 @@ +# `treat-err-as-bug` + +This feature is perma-unstable and has no tracking issue. + +------------------------ + +This flag converts the selected error to a [`bug!`] call, exiting the compiler immediately and allowing you to generate a backtrace of where the error occurred. +For full documentation, see [the rustc-dev-guide][dev-guide-backtrace]. + +Note that the compiler automatically sets `RUST_BACKTRACE=1` for itself, and so you do not need to set it yourself when using this flag. + +[`bug!`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/macro.bug.html +[dev-guide-backtrace]: https://rustc-dev-guide.rust-lang.org/compiler-debugging.html#getting-a-backtrace-for-errors diff --git a/src/doc/unstable-book/src/language-features/explicit-extern-abis.md b/src/doc/unstable-book/src/language-features/explicit-extern-abis.md index ba622466ba7..7728f6725b1 100644 --- a/src/doc/unstable-book/src/language-features/explicit-extern-abis.md +++ b/src/doc/unstable-book/src/language-features/explicit-extern-abis.md @@ -1,6 +1,6 @@ # `explicit_extern_abis` -The tracking issue for this feature is: #134986 +The tracking issue for this feature is: [#134986] ------ @@ -21,3 +21,5 @@ extern "C" fn function2() {} // compiles extern "aapcs" fn function3() {} // compiles ``` + +[#134986]: https://github.com/rust-lang/rust/issues/134986 diff --git a/src/doc/unstable-book/src/language-features/repr128.md b/src/doc/unstable-book/src/language-features/repr128.md deleted file mode 100644 index 146f50ee67b..00000000000 --- a/src/doc/unstable-book/src/language-features/repr128.md +++ /dev/null @@ -1,18 +0,0 @@ -# `repr128` - -The tracking issue for this feature is: [#56071] - -[#56071]: https://github.com/rust-lang/rust/issues/56071 - ------------------------- - -The `repr128` feature adds support for `#[repr(u128)]` on `enum`s. - -```rust -#![feature(repr128)] - -#[repr(u128)] -enum Foo { - Bar(u64), -} -``` diff --git a/src/etc/rust_analyzer_eglot.el b/src/etc/rust_analyzer_eglot.el index 90bd38aa894..3cb229cd98c 100644 --- a/src/etc/rust_analyzer_eglot.el +++ b/src/etc/rust_analyzer_eglot.el @@ -14,7 +14,7 @@ "src/bootstrap/Cargo.toml" "src/tools/rust-analyzer/Cargo.toml"] :rustfmt ( :overrideCommand ["build/host/rustfmt/bin/rustfmt" - "--edition=2021"]) + "--edition=2024"]) :procMacro ( :server "build/host/stage0/libexec/rust-analyzer-proc-macro-srv" :enable t) :cargo ( :buildScripts ( :enable t diff --git a/src/etc/rust_analyzer_helix.toml b/src/etc/rust_analyzer_helix.toml index 05fc7716a72..1a6a14991ec 100644 --- a/src/etc/rust_analyzer_helix.toml +++ b/src/etc/rust_analyzer_helix.toml @@ -32,7 +32,7 @@ overrideCommand = [ [language-server.rust-analyzer.config.rustfmt] overrideCommand = [ "build/rust-analyzer/host/rustfmt/bin/rustfmt", - "--edition=2021" + "--edition=2024" ] [language-server.rust-analyzer.config.procMacro] diff --git a/src/etc/rust_analyzer_settings.json b/src/etc/rust_analyzer_settings.json index 5ce886a9b65..a960cc01732 100644 --- a/src/etc/rust_analyzer_settings.json +++ b/src/etc/rust_analyzer_settings.json @@ -17,7 +17,7 @@ ], "rust-analyzer.rustfmt.overrideCommand": [ "${workspaceFolder}/build/host/rustfmt/bin/rustfmt", - "--edition=2021" + "--edition=2024" ], "rust-analyzer.procMacro.server": "${workspaceFolder}/build/host/stage0/libexec/rust-analyzer-proc-macro-srv", "rust-analyzer.procMacro.enable": true, diff --git a/src/etc/rust_analyzer_zed.json b/src/etc/rust_analyzer_zed.json index 3461ff887d9..27fc524e9b5 100644 --- a/src/etc/rust_analyzer_zed.json +++ b/src/etc/rust_analyzer_zed.json @@ -29,15 +29,15 @@ ], "procMacro": { "enable": true, - "server": "${workspaceFolder}/build/host/stage0/libexec/rust-analyzer-proc-macro-srv" + "server": "build/host/stage0/libexec/rust-analyzer-proc-macro-srv" }, "rustc": { "source": "./Cargo.toml" }, "rustfmt": { "overrideCommand": [ - "${workspaceFolder}/build/host/rustfmt/bin/rustfmt", - "--edition=2021" + "build/host/rustfmt/bin/rustfmt", + "--edition=2024" ] }, "server": { diff --git a/src/etc/test-float-parse/Cargo.toml b/src/etc/test-float-parse/Cargo.toml index 8a9c5322ef7..e407e322f9e 100644 --- a/src/etc/test-float-parse/Cargo.toml +++ b/src/etc/test-float-parse/Cargo.toml @@ -13,3 +13,10 @@ rayon = "1" [lib] name = "test_float_parse" + +[lints.rust.unexpected_cfgs] +level = "warn" +check-cfg = [ + # Internal features aren't marked known config by default + 'cfg(target_has_reliable_f16)', +] diff --git a/src/etc/test-float-parse/src/gen_/subnorm.rs b/src/etc/test-float-parse/src/gen_/subnorm.rs index 4fe3b90a3dd..654f324b9b0 100644 --- a/src/etc/test-float-parse/src/gen_/subnorm.rs +++ b/src/etc/test-float-parse/src/gen_/subnorm.rs @@ -1,4 +1,3 @@ -use std::cmp::min; use std::fmt::Write; use std::ops::RangeInclusive; @@ -83,7 +82,13 @@ where } fn new() -> Self { - Self { iter: F::Int::ZERO..=min(F::Int::ONE << 22, F::MAN_BITS.try_into().unwrap()) } + let upper_lim = if F::MAN_BITS >= 22 { + F::Int::ONE << 22 + } else { + (F::Int::ONE << F::MAN_BITS) - F::Int::ONE + }; + + Self { iter: F::Int::ZERO..=upper_lim } } fn write_string(s: &mut String, ctx: Self::WriteCtx) { diff --git a/src/etc/test-float-parse/src/lib.rs b/src/etc/test-float-parse/src/lib.rs index 3c3ef5802b6..f590149523b 100644 --- a/src/etc/test-float-parse/src/lib.rs +++ b/src/etc/test-float-parse/src/lib.rs @@ -1,3 +1,7 @@ +#![feature(f16)] +#![feature(cfg_target_has_reliable_f16_f128)] +#![expect(internal_features)] // reliable_f16_f128 + mod traits; mod ui; mod validate; @@ -114,6 +118,10 @@ pub fn register_tests(cfg: &Config) -> Vec<TestInfo> { let mut tests = Vec::new(); // Register normal generators for all floats. + + #[cfg(not(bootstrap))] + #[cfg(target_has_reliable_f16)] + register_float::<f16>(&mut tests, cfg); register_float::<f32>(&mut tests, cfg); register_float::<f64>(&mut tests, cfg); diff --git a/src/etc/test-float-parse/src/traits.rs b/src/etc/test-float-parse/src/traits.rs index 57e702b7d09..16484f8fe2c 100644 --- a/src/etc/test-float-parse/src/traits.rs +++ b/src/etc/test-float-parse/src/traits.rs @@ -98,7 +98,7 @@ macro_rules! impl_int { } } -impl_int!(u32, i32; u64, i64); +impl_int!(u16, i16; u32, i32; u64, i64); /// Floating point types. pub trait Float: @@ -170,6 +170,10 @@ macro_rules! impl_float { impl_float!(f32, u32; f64, u64); +#[cfg(not(bootstrap))] +#[cfg(target_has_reliable_f16)] +impl_float!(f16, u16); + /// A test generator. Should provide an iterator that produces unique patterns to parse. /// /// The iterator needs to provide a `WriteCtx` (could be anything), which is then used to diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml index dbfdd8ebd16..bba8e630bcc 100644 --- a/src/librustdoc/Cargo.toml +++ b/src/librustdoc/Cargo.toml @@ -9,7 +9,7 @@ path = "lib.rs" [dependencies] arrayvec = { version = "0.7", default-features = false } -askama = { version = "0.13", default-features = false, features = ["alloc", "config", "derive"] } +askama = { version = "0.14", default-features = false, features = ["alloc", "config", "derive"] } base64 = "0.21.7" itertools = "0.12" indexmap = "2" diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs index 439777843fb..ebc276b38fb 100644 --- a/src/librustdoc/clean/cfg.rs +++ b/src/librustdoc/clean/cfg.rs @@ -171,10 +171,15 @@ impl Cfg { /// Renders the configuration for long display, as a long HTML description. pub(crate) fn render_long_html(&self) -> String { - let on = if self.should_use_with_in_description() { "with" } else { "on" }; + let on = if self.omit_preposition() { + "" + } else if self.should_use_with_in_description() { + "with " + } else { + "on " + }; - let mut msg = - format!("Available {on} <strong>{}</strong>", Display(self, Format::LongHtml)); + let mut msg = format!("Available {on}<strong>{}</strong>", Display(self, Format::LongHtml)); if self.should_append_only_to_description() { msg.push_str(" only"); } @@ -244,6 +249,10 @@ impl Cfg { Some(self.clone()) } } + + fn omit_preposition(&self) -> bool { + matches!(self, Cfg::True | Cfg::False) + } } impl ops::Not for Cfg { diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 28dfa01534e..7e8e087c3a2 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -449,7 +449,7 @@ fn clean_middle_term<'tcx>( term: ty::Binder<'tcx, ty::Term<'tcx>>, cx: &mut DocContext<'tcx>, ) -> Term { - match term.skip_binder().unpack() { + match term.skip_binder().kind() { ty::TermKind::Ty(ty) => Term::Type(clean_middle_ty(term.rebind(ty), cx, None, None)), ty::TermKind::Const(c) => Term::Constant(clean_middle_const(term.rebind(c), cx)), } @@ -1749,7 +1749,7 @@ fn maybe_expand_private_type_alias<'tcx>( } else { return None; }; - let hir::ItemKind::TyAlias(_, ty, generics) = alias else { return None }; + let hir::ItemKind::TyAlias(_, generics, ty) = alias else { return None }; let final_seg = &path.segments.last().expect("segments were empty"); let mut args = DefIdMap::default(); @@ -2803,21 +2803,21 @@ fn clean_maybe_renamed_item<'tcx>( let mut name = get_name(cx, item, renamed).unwrap(); let kind = match item.kind { - ItemKind::Static(_, ty, mutability, body_id) => StaticItem(Static { + ItemKind::Static(mutability, _, ty, body_id) => StaticItem(Static { type_: Box::new(clean_ty(ty, cx)), mutability, expr: Some(body_id), }), - ItemKind::Const(_, ty, generics, body_id) => ConstantItem(Box::new(Constant { + ItemKind::Const(_, generics, ty, body_id) => ConstantItem(Box::new(Constant { generics: clean_generics(generics, cx), type_: clean_ty(ty, cx), kind: ConstantKind::Local { body: body_id, def_id }, })), - ItemKind::TyAlias(_, hir_ty, generics) => { + ItemKind::TyAlias(_, generics, ty) => { *cx.current_type_aliases.entry(def_id).or_insert(0) += 1; - let rustdoc_ty = clean_ty(hir_ty, cx); + let rustdoc_ty = clean_ty(ty, cx); let type_ = - clean_middle_ty(ty::Binder::dummy(lower_ty(cx.tcx, hir_ty)), cx, None, None); + clean_middle_ty(ty::Binder::dummy(lower_ty(cx.tcx, ty)), cx, None, None); let generics = clean_generics(generics, cx); if let Some(count) = cx.current_type_aliases.get_mut(&def_id) { *count -= 1; @@ -2846,7 +2846,7 @@ fn clean_maybe_renamed_item<'tcx>( )); return ret; } - ItemKind::Enum(_, def, generics) => EnumItem(Enum { + ItemKind::Enum(_, generics, def) => EnumItem(Enum { variants: def.variants.iter().map(|v| clean_variant(v, cx)).collect(), generics: clean_generics(generics, cx), }), @@ -2854,11 +2854,11 @@ fn clean_maybe_renamed_item<'tcx>( generics: clean_generics(generics, cx), bounds: bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), }), - ItemKind::Union(_, variant_data, generics) => UnionItem(Union { + ItemKind::Union(_, generics, variant_data) => UnionItem(Union { generics: clean_generics(generics, cx), fields: variant_data.fields().iter().map(|x| clean_field(x, cx)).collect(), }), - ItemKind::Struct(_, variant_data, generics) => StructItem(Struct { + ItemKind::Struct(_, generics, variant_data) => StructItem(Struct { ctor_kind: variant_data.ctor_kind(), generics: clean_generics(generics, cx), fields: variant_data.fields().iter().map(|x| clean_field(x, cx)).collect(), diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 75f1bc9549c..9e46d0b47e9 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -5,7 +5,9 @@ use std::{fmt, iter}; use arrayvec::ArrayVec; use rustc_abi::{ExternAbi, VariantIdx}; -use rustc_attr_parsing::{AttributeKind, ConstStability, Deprecation, Stability, StableSince}; +use rustc_attr_data_structures::{ + AttributeKind, ConstStability, Deprecation, Stability, StableSince, +}; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE, LocalDefId}; @@ -104,7 +106,7 @@ impl From<DefId> for ItemId { } /// The crate currently being documented. -#[derive(Clone, Debug)] +#[derive(Debug)] pub(crate) struct Crate { pub(crate) module: Item, /// Only here so that they can be filtered through the rustdoc passes. @@ -403,13 +405,13 @@ impl Item { // versions; the paths that are exposed through it are "deprecated" because they // were never supposed to work at all. let stab = self.stability(tcx)?; - if let rustc_attr_parsing::StabilityLevel::Stable { + if let rustc_attr_data_structures::StabilityLevel::Stable { allowed_through_unstable_modules: Some(note), .. } = stab.level { Some(Deprecation { - since: rustc_attr_parsing::DeprecatedSince::Unspecified, + since: rustc_attr_data_structures::DeprecatedSince::Unspecified, note: Some(note), suggestion: None, }) @@ -608,6 +610,9 @@ impl Item { UnionItem(ref union_) => Some(union_.has_stripped_entries()), EnumItem(ref enum_) => Some(enum_.has_stripped_entries()), VariantItem(ref v) => v.has_stripped_entries(), + TypeAliasItem(ref type_alias) => { + type_alias.inner_type.as_ref().and_then(|t| t.has_stripped_entries()) + } _ => None, } } @@ -759,33 +764,21 @@ impl Item { Some(tcx.visibility(def_id)) } - pub(crate) fn attributes(&self, tcx: TyCtxt<'_>, cache: &Cache, is_json: bool) -> Vec<String> { + pub(crate) fn attributes_without_repr(&self, tcx: TyCtxt<'_>, is_json: bool) -> Vec<String> { const ALLOWED_ATTRIBUTES: &[Symbol] = &[sym::export_name, sym::link_section, sym::no_mangle, sym::non_exhaustive]; - use rustc_abi::IntegerType; - - let mut attrs: Vec<String> = self - .attrs + self.attrs .other_attrs .iter() .filter_map(|attr| { if is_json { match attr { - hir::Attribute::Parsed(AttributeKind::Deprecation { .. }) => { - // rustdoc-json stores this in `Item::deprecation`, so we - // don't want it it `Item::attrs`. - None - } - rustc_hir::Attribute::Parsed(rustc_attr_parsing::AttributeKind::Repr( - .., - )) => { - // We have separate pretty-printing logic for `#[repr(..)]` attributes. - // For example, there are circumstances where `#[repr(transparent)]` - // is applied but should not be publicly shown in rustdoc - // because it isn't public API. - None - } + // rustdoc-json stores this in `Item::deprecation`, so we + // don't want it it `Item::attrs`. + hir::Attribute::Parsed(AttributeKind::Deprecation { .. }) => None, + // We have separate pretty-printing logic for `#[repr(..)]` attributes. + hir::Attribute::Parsed(AttributeKind::Repr(..)) => None, _ => Some({ let mut s = rustc_hir_pretty::attribute_to_string(&tcx, attr); assert_eq!(s.pop(), Some('\n')); @@ -803,73 +796,28 @@ impl Item { None } }) - .collect(); + .collect() + } - // Add #[repr(...)] - if let Some(def_id) = self.def_id() - && let ItemType::Struct | ItemType::Enum | ItemType::Union = self.type_() - { - let adt = tcx.adt_def(def_id); - let repr = adt.repr(); - let mut out = Vec::new(); - if repr.c() { - out.push("C"); - } - if repr.transparent() { - // Render `repr(transparent)` iff the non-1-ZST field is public or at least one - // field is public in case all fields are 1-ZST fields. - let render_transparent = cache.document_private - || adt - .all_fields() - .find(|field| { - let ty = - field.ty(tcx, ty::GenericArgs::identity_for_item(tcx, field.did)); - tcx.layout_of( - ty::TypingEnv::post_analysis(tcx, field.did).as_query_input(ty), - ) - .is_ok_and(|layout| !layout.is_1zst()) - }) - .map_or_else( - || adt.all_fields().any(|field| field.vis.is_public()), - |field| field.vis.is_public(), - ); + pub(crate) fn attributes_and_repr( + &self, + tcx: TyCtxt<'_>, + cache: &Cache, + is_json: bool, + ) -> Vec<String> { + let mut attrs = self.attributes_without_repr(tcx, is_json); - if render_transparent { - out.push("transparent"); - } - } - if repr.simd() { - out.push("simd"); - } - let pack_s; - if let Some(pack) = repr.pack { - pack_s = format!("packed({})", pack.bytes()); - out.push(&pack_s); - } - let align_s; - if let Some(align) = repr.align { - align_s = format!("align({})", align.bytes()); - out.push(&align_s); - } - let int_s; - if let Some(int) = repr.int { - int_s = match int { - IntegerType::Pointer(is_signed) => { - format!("{}size", if is_signed { 'i' } else { 'u' }) - } - IntegerType::Fixed(size, is_signed) => { - format!("{}{}", if is_signed { 'i' } else { 'u' }, size.size().bytes() * 8) - } - }; - out.push(&int_s); - } - if !out.is_empty() { - attrs.push(format!("#[repr({})]", out.join(", "))); - } + if let Some(repr_attr) = self.repr(tcx, cache, is_json) { + attrs.push(repr_attr); } attrs } + /// Returns a stringified `#[repr(...)]` attribute. + pub(crate) fn repr(&self, tcx: TyCtxt<'_>, cache: &Cache, is_json: bool) -> Option<String> { + repr_attributes(tcx, cache, self.def_id()?, self.type_(), is_json) + } + pub fn is_doc_hidden(&self) -> bool { self.attrs.is_doc_hidden() } @@ -879,6 +827,73 @@ impl Item { } } +pub(crate) fn repr_attributes( + tcx: TyCtxt<'_>, + cache: &Cache, + def_id: DefId, + item_type: ItemType, + is_json: bool, +) -> Option<String> { + use rustc_abi::IntegerType; + + if !matches!(item_type, ItemType::Struct | ItemType::Enum | ItemType::Union) { + return None; + } + let adt = tcx.adt_def(def_id); + let repr = adt.repr(); + let mut out = Vec::new(); + if repr.c() { + out.push("C"); + } + if repr.transparent() { + // Render `repr(transparent)` iff the non-1-ZST field is public or at least one + // field is public in case all fields are 1-ZST fields. + let render_transparent = cache.document_private + || is_json + || adt + .all_fields() + .find(|field| { + let ty = field.ty(tcx, ty::GenericArgs::identity_for_item(tcx, field.did)); + tcx.layout_of(ty::TypingEnv::post_analysis(tcx, field.did).as_query_input(ty)) + .is_ok_and(|layout| !layout.is_1zst()) + }) + .map_or_else( + || adt.all_fields().any(|field| field.vis.is_public()), + |field| field.vis.is_public(), + ); + + if render_transparent { + out.push("transparent"); + } + } + if repr.simd() { + out.push("simd"); + } + let pack_s; + if let Some(pack) = repr.pack { + pack_s = format!("packed({})", pack.bytes()); + out.push(&pack_s); + } + let align_s; + if let Some(align) = repr.align { + align_s = format!("align({})", align.bytes()); + out.push(&align_s); + } + let int_s; + if let Some(int) = repr.int { + int_s = match int { + IntegerType::Pointer(is_signed) => { + format!("{}size", if is_signed { 'i' } else { 'u' }) + } + IntegerType::Fixed(size, is_signed) => { + format!("{}{}", if is_signed { 'i' } else { 'u' }, size.size().bytes() * 8) + } + }; + out.push(&int_s); + } + if !out.is_empty() { Some(format!("#[repr({})]", out.join(", "))) } else { None } +} + #[derive(Clone, Debug)] pub(crate) enum ItemKind { ExternCrateItem { @@ -1041,17 +1056,11 @@ pub(crate) fn extract_cfg_from_attrs<'a, I: Iterator<Item = &'a hir::Attribute> .peekable(); if doc_cfg.peek().is_some() && doc_cfg_active { let sess = tcx.sess; + doc_cfg.fold(Cfg::True, |mut cfg, item| { if let Some(cfg_mi) = item.meta_item().and_then(|item| rustc_expand::config::parse_cfg(item, sess)) { - // The result is unused here but we can gate unstable predicates - rustc_attr_parsing::cfg_matches( - cfg_mi, - tcx.sess, - rustc_ast::CRATE_NODE_ID, - Some(tcx.features()), - ); match Cfg::parse(cfg_mi) { Ok(new_cfg) => cfg &= new_cfg, Err(e) => { @@ -1607,9 +1616,7 @@ impl Type { a.def_id() == b.def_id() && a.generics() .zip(b.generics()) - .map(|(ag, bg)| { - ag.iter().zip(bg.iter()).all(|(at, bt)| at.is_doc_subtype_of(bt, cache)) - }) + .map(|(ag, bg)| ag.zip(bg).all(|(at, bt)| at.is_doc_subtype_of(bt, cache))) .unwrap_or(true) } // Other cases, such as primitives, just use recursion. @@ -1682,7 +1689,7 @@ impl Type { } } - pub(crate) fn generics(&self) -> Option<Vec<&Type>> { + pub(crate) fn generics<'a>(&'a self) -> Option<impl Iterator<Item = &'a Type>> { match self { Type::Path { path, .. } => path.generics(), _ => None, @@ -2113,7 +2120,7 @@ impl Enum { self.variants.iter().any(|f| f.is_stripped()) } - pub(crate) fn variants(&self) -> impl Iterator<Item = &Item> { + pub(crate) fn non_stripped_variants(&self) -> impl Iterator<Item = &Item> { self.variants.iter().filter(|v| !v.is_stripped()) } } @@ -2240,17 +2247,13 @@ impl Path { self.segments.last().map(|seg| &seg.args) } - pub(crate) fn generics(&self) -> Option<Vec<&Type>> { + pub(crate) fn generics<'a>(&'a self) -> Option<impl Iterator<Item = &'a Type>> { self.segments.last().and_then(|seg| { if let GenericArgs::AngleBracketed { ref args, .. } = seg.args { - Some( - args.iter() - .filter_map(|arg| match arg { - GenericArg::Type(ty) => Some(ty), - _ => None, - }) - .collect(), - ) + Some(args.iter().filter_map(|arg| match arg { + GenericArg::Type(ty) => Some(ty), + _ => None, + })) } else { None } @@ -2351,6 +2354,17 @@ pub(crate) enum TypeAliasInnerType { Struct { ctor_kind: Option<CtorKind>, fields: Vec<Item> }, } +impl TypeAliasInnerType { + fn has_stripped_entries(&self) -> Option<bool> { + Some(match self { + Self::Enum { variants, .. } => variants.iter().any(|v| v.is_stripped()), + Self::Union { fields } | Self::Struct { fields, .. } => { + fields.iter().any(|f| f.is_stripped()) + } + }) + } +} + #[derive(Clone, Debug)] pub(crate) struct TypeAlias { pub(crate) type_: Type, diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index af7986d030e..c58b07a5b67 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -1,7 +1,7 @@ use std::assert_matches::debug_assert_matches; use std::fmt::{self, Display, Write as _}; -use std::mem; use std::sync::LazyLock as Lazy; +use std::{ascii, mem}; use rustc_ast::tokenstream::TokenTree; use rustc_hir::def::{DefKind, Res}; @@ -24,7 +24,7 @@ use crate::clean::{ clean_middle_ty, inline, }; use crate::core::DocContext; -use crate::display::Joined as _; +use crate::display::{Joined as _, MaybeDisplay as _}; #[cfg(test)] mod tests; @@ -124,7 +124,7 @@ pub(crate) fn clean_middle_generic_args<'tcx>( elision_has_failed_once_before = true; } - match arg.skip_binder().unpack() { + match arg.skip_binder().kind() { GenericArgKind::Lifetime(lt) => { Some(GenericArg::Lifetime(clean_middle_region(lt).unwrap_or(Lifetime::elided()))) } @@ -161,7 +161,7 @@ fn can_elide_generic_arg<'tcx>( default: ty::Binder<'tcx, ty::GenericArg<'tcx>>, ) -> bool { debug_assert_matches!( - (actual.skip_binder().unpack(), default.skip_binder().unpack()), + (actual.skip_binder().kind(), default.skip_binder().kind()), (ty::GenericArgKind::Lifetime(_), ty::GenericArgKind::Lifetime(_)) | (ty::GenericArgKind::Type(_), ty::GenericArgKind::Type(_)) | (ty::GenericArgKind::Const(_), ty::GenericArgKind::Const(_)) @@ -254,14 +254,7 @@ pub(crate) fn qpath_to_string(p: &hir::QPath<'_>) -> String { fmt::from_fn(|f| { segments .iter() - .map(|seg| { - fmt::from_fn(|f| { - if seg.ident.name != kw::PathRoot { - write!(f, "{}", seg.ident)?; - } - Ok(()) - }) - }) + .map(|seg| (seg.ident.name != kw::PathRoot).then_some(seg.ident).maybe_display()) .joined("::", f) }) .to_string() @@ -391,30 +384,12 @@ pub(crate) fn print_evaluated_const( }) } -fn format_integer_with_underscore_sep(num: &str) -> String { - let num_chars: Vec<_> = num.chars().collect(); - let mut num_start_index = if num_chars.first() == Some(&'-') { 1 } else { 0 }; - let chunk_size = match &num.as_bytes()[num_start_index..] { - [b'0', b'b' | b'x', ..] => { - num_start_index += 2; - 4 - } - [b'0', b'o', ..] => { - num_start_index += 2; - let remaining_chars = num_chars.len() - num_start_index; - if remaining_chars <= 6 { - // don't add underscores to Unix permissions like 0755 or 100755 - return num.to_string(); - } - 3 - } - _ => 3, - }; - - num_chars[..num_start_index] - .iter() - .chain(num_chars[num_start_index..].rchunks(chunk_size).rev().intersperse(&['_']).flatten()) - .collect() +fn format_integer_with_underscore_sep(num: u128, is_negative: bool) -> String { + let num = num.to_string(); + let chars = num.as_ascii().unwrap(); + let mut result = if is_negative { "-".to_string() } else { String::new() }; + result.extend(chars.rchunks(3).rev().intersperse(&[ascii::Char::LowLine]).flatten()); + result } fn print_const_with_custom_print_scalar<'tcx>( @@ -428,7 +403,10 @@ fn print_const_with_custom_print_scalar<'tcx>( match (ct, ct.ty().kind()) { (mir::Const::Val(mir::ConstValue::Scalar(int), _), ty::Uint(ui)) => { let mut output = if with_underscores { - format_integer_with_underscore_sep(&int.to_string()) + format_integer_with_underscore_sep( + int.assert_scalar_int().to_bits_unchecked(), + false, + ) } else { int.to_string() }; @@ -445,7 +423,10 @@ fn print_const_with_custom_print_scalar<'tcx>( .size; let sign_extended_data = int.assert_scalar_int().to_int(size); let mut output = if with_underscores { - format_integer_with_underscore_sep(&sign_extended_data.to_string()) + format_integer_with_underscore_sep( + sign_extended_data.unsigned_abs(), + sign_extended_data.is_negative(), + ) } else { sign_extended_data.to_string() }; diff --git a/src/librustdoc/clean/utils/tests.rs b/src/librustdoc/clean/utils/tests.rs index ebf4b495483..65c8255b2f2 100644 --- a/src/librustdoc/clean/utils/tests.rs +++ b/src/librustdoc/clean/utils/tests.rs @@ -2,40 +2,10 @@ use super::*; #[test] fn int_format_decimal() { - assert_eq!(format_integer_with_underscore_sep("12345678"), "12_345_678"); - assert_eq!(format_integer_with_underscore_sep("123"), "123"); - assert_eq!(format_integer_with_underscore_sep("123459"), "123_459"); - assert_eq!(format_integer_with_underscore_sep("-12345678"), "-12_345_678"); - assert_eq!(format_integer_with_underscore_sep("-123"), "-123"); - assert_eq!(format_integer_with_underscore_sep("-123459"), "-123_459"); -} - -#[test] -fn int_format_hex() { - assert_eq!(format_integer_with_underscore_sep("0xab3"), "0xab3"); - assert_eq!(format_integer_with_underscore_sep("0xa2345b"), "0xa2_345b"); - assert_eq!(format_integer_with_underscore_sep("0xa2e6345b"), "0xa2e6_345b"); - assert_eq!(format_integer_with_underscore_sep("-0xab3"), "-0xab3"); - assert_eq!(format_integer_with_underscore_sep("-0xa2345b"), "-0xa2_345b"); - assert_eq!(format_integer_with_underscore_sep("-0xa2e6345b"), "-0xa2e6_345b"); -} - -#[test] -fn int_format_binary() { - assert_eq!(format_integer_with_underscore_sep("0o12345671"), "0o12_345_671"); - assert_eq!(format_integer_with_underscore_sep("0o123"), "0o123"); - assert_eq!(format_integer_with_underscore_sep("0o123451"), "0o123451"); - assert_eq!(format_integer_with_underscore_sep("-0o12345671"), "-0o12_345_671"); - assert_eq!(format_integer_with_underscore_sep("-0o123"), "-0o123"); - assert_eq!(format_integer_with_underscore_sep("-0o123451"), "-0o123451"); -} - -#[test] -fn int_format_octal() { - assert_eq!(format_integer_with_underscore_sep("0b101"), "0b101"); - assert_eq!(format_integer_with_underscore_sep("0b101101011"), "0b1_0110_1011"); - assert_eq!(format_integer_with_underscore_sep("0b01101011"), "0b0110_1011"); - assert_eq!(format_integer_with_underscore_sep("-0b101"), "-0b101"); - assert_eq!(format_integer_with_underscore_sep("-0b101101011"), "-0b1_0110_1011"); - assert_eq!(format_integer_with_underscore_sep("-0b01101011"), "-0b0110_1011"); + assert_eq!(format_integer_with_underscore_sep(12345678, false), "12_345_678"); + assert_eq!(format_integer_with_underscore_sep(123, false), "123"); + assert_eq!(format_integer_with_underscore_sep(123459, false), "123_459"); + assert_eq!(format_integer_with_underscore_sep(12345678, true), "-12_345_678"); + assert_eq!(format_integer_with_underscore_sep(123, true), "-123"); + assert_eq!(format_integer_with_underscore_sep(123459, true), "-123_459"); } diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index ef70b862185..b2fe24db0a2 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -12,7 +12,7 @@ use std::sync::atomic::{AtomicUsize, Ordering}; use std::sync::{Arc, Mutex}; use std::{panic, str}; -pub(crate) use make::DocTestBuilder; +pub(crate) use make::{BuildDocTestBuilder, DocTestBuilder}; pub(crate) use markdown::test as test_markdown; use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet}; use rustc_errors::emitter::HumanReadableErrorType; @@ -23,9 +23,9 @@ use rustc_hir::def_id::LOCAL_CRATE; use rustc_interface::interface; use rustc_session::config::{self, CrateType, ErrorOutputType, Input}; use rustc_session::lint; -use rustc_span::FileName; use rustc_span::edition::Edition; use rustc_span::symbol::sym; +use rustc_span::{FileName, Span}; use rustc_target::spec::{Target, TargetTuple}; use tempfile::{Builder as TempFileBuilder, TempDir}; use tracing::debug; @@ -197,7 +197,7 @@ pub(crate) fn run(dcx: DiagCtxtHandle<'_>, input: Input, options: RustdocOptions } } else { let mut collector = CreateRunnableDocTests::new(options, opts); - tests.into_iter().for_each(|t| collector.add_test(t)); + tests.into_iter().for_each(|t| collector.add_test(t, Some(compiler.sess.dcx()))); Ok(Some(collector)) } @@ -847,6 +847,7 @@ pub(crate) struct ScrapedDocTest { langstr: LangString, text: String, name: String, + span: Span, } impl ScrapedDocTest { @@ -856,6 +857,7 @@ impl ScrapedDocTest { logical_path: Vec<String>, langstr: LangString, text: String, + span: Span, ) -> Self { let mut item_path = logical_path.join("::"); item_path.retain(|c| c != ' '); @@ -865,7 +867,7 @@ impl ScrapedDocTest { let name = format!("{} - {item_path}(line {line})", filename.prefer_remapped_unconditionaly()); - Self { filename, line, langstr, text, name } + Self { filename, line, langstr, text, name, span } } fn edition(&self, opts: &RustdocOptions) -> Edition { self.langstr.edition.unwrap_or(opts.edition) @@ -921,7 +923,7 @@ impl CreateRunnableDocTests { } } - fn add_test(&mut self, scraped_test: ScrapedDocTest) { + fn add_test(&mut self, scraped_test: ScrapedDocTest, dcx: Option<DiagCtxtHandle<'_>>) { // For example `module/file.rs` would become `module_file_rs` let file = scraped_test .filename @@ -945,14 +947,14 @@ impl CreateRunnableDocTests { ); let edition = scraped_test.edition(&self.rustdoc_options); - let doctest = DocTestBuilder::new( - &scraped_test.text, - Some(&self.opts.crate_name), - edition, - self.can_merge_doctests, - Some(test_id), - Some(&scraped_test.langstr), - ); + let doctest = BuildDocTestBuilder::new(&scraped_test.text) + .crate_name(&self.opts.crate_name) + .edition(edition) + .can_merge_doctests(self.can_merge_doctests) + .test_id(test_id) + .lang_str(&scraped_test.langstr) + .span(scraped_test.span) + .build(dcx); let is_standalone = !doctest.can_be_merged || scraped_test.langstr.compile_fail || scraped_test.langstr.test_harness diff --git a/src/librustdoc/doctest/extracted.rs b/src/librustdoc/doctest/extracted.rs index ce362eabfc4..3b17ccc78c7 100644 --- a/src/librustdoc/doctest/extracted.rs +++ b/src/librustdoc/doctest/extracted.rs @@ -5,7 +5,7 @@ use serde::Serialize; -use super::{DocTestBuilder, ScrapedDocTest}; +use super::{BuildDocTestBuilder, ScrapedDocTest}; use crate::config::Options as RustdocOptions; use crate::html::markdown; @@ -35,16 +35,13 @@ impl ExtractedDocTests { ) { let edition = scraped_test.edition(options); - let ScrapedDocTest { filename, line, langstr, text, name } = scraped_test; + let ScrapedDocTest { filename, line, langstr, text, name, .. } = scraped_test; - let doctest = DocTestBuilder::new( - &text, - Some(&opts.crate_name), - edition, - false, - None, - Some(&langstr), - ); + let doctest = BuildDocTestBuilder::new(&text) + .crate_name(&opts.crate_name) + .edition(edition) + .lang_str(&langstr) + .build(None); let (full_test_code, size) = doctest.generate_unique_doctest( &text, langstr.test_harness, diff --git a/src/librustdoc/doctest/make.rs b/src/librustdoc/doctest/make.rs index d4fbfb12582..66647b88018 100644 --- a/src/librustdoc/doctest/make.rs +++ b/src/librustdoc/doctest/make.rs @@ -8,14 +8,14 @@ use std::sync::Arc; use rustc_ast::token::{Delimiter, TokenKind}; use rustc_ast::tokenstream::TokenTree; use rustc_ast::{self as ast, AttrStyle, HasAttrs, StmtKind}; -use rustc_errors::ColorConfig; use rustc_errors::emitter::stderr_destination; +use rustc_errors::{ColorConfig, DiagCtxtHandle}; use rustc_parse::new_parser_from_source_str; use rustc_session::parse::ParseSess; -use rustc_span::edition::Edition; +use rustc_span::edition::{DEFAULT_EDITION, Edition}; use rustc_span::source_map::SourceMap; use rustc_span::symbol::sym; -use rustc_span::{FileName, kw}; +use rustc_span::{DUMMY_SP, FileName, Span, kw}; use tracing::debug; use super::GlobalTestOptions; @@ -35,33 +35,78 @@ struct ParseSourceInfo { maybe_crate_attrs: String, } -/// This struct contains information about the doctest itself which is then used to generate -/// doctest source code appropriately. -pub(crate) struct DocTestBuilder { - pub(crate) supports_color: bool, - pub(crate) already_has_extern_crate: bool, - pub(crate) has_main_fn: bool, - pub(crate) crate_attrs: String, - /// If this is a merged doctest, it will be put into `everything_else`, otherwise it will - /// put into `crate_attrs`. - pub(crate) maybe_crate_attrs: String, - pub(crate) crates: String, - pub(crate) everything_else: String, - pub(crate) test_id: Option<String>, - pub(crate) invalid_ast: bool, - pub(crate) can_be_merged: bool, +/// Builder type for `DocTestBuilder`. +pub(crate) struct BuildDocTestBuilder<'a> { + source: &'a str, + crate_name: Option<&'a str>, + edition: Edition, + can_merge_doctests: bool, + // If `test_id` is `None`, it means we're generating code for a code example "run" link. + test_id: Option<String>, + lang_str: Option<&'a LangString>, + span: Span, } -impl DocTestBuilder { - pub(crate) fn new( - source: &str, - crate_name: Option<&str>, - edition: Edition, - can_merge_doctests: bool, - // If `test_id` is `None`, it means we're generating code for a code example "run" link. - test_id: Option<String>, - lang_str: Option<&LangString>, - ) -> Self { +impl<'a> BuildDocTestBuilder<'a> { + pub(crate) fn new(source: &'a str) -> Self { + Self { + source, + crate_name: None, + edition: DEFAULT_EDITION, + can_merge_doctests: false, + test_id: None, + lang_str: None, + span: DUMMY_SP, + } + } + + #[inline] + pub(crate) fn crate_name(mut self, crate_name: &'a str) -> Self { + self.crate_name = Some(crate_name); + self + } + + #[inline] + pub(crate) fn can_merge_doctests(mut self, can_merge_doctests: bool) -> Self { + self.can_merge_doctests = can_merge_doctests; + self + } + + #[inline] + pub(crate) fn test_id(mut self, test_id: String) -> Self { + self.test_id = Some(test_id); + self + } + + #[inline] + pub(crate) fn lang_str(mut self, lang_str: &'a LangString) -> Self { + self.lang_str = Some(lang_str); + self + } + + #[inline] + pub(crate) fn span(mut self, span: Span) -> Self { + self.span = span; + self + } + + #[inline] + pub(crate) fn edition(mut self, edition: Edition) -> Self { + self.edition = edition; + self + } + + pub(crate) fn build(self, dcx: Option<DiagCtxtHandle<'_>>) -> DocTestBuilder { + let BuildDocTestBuilder { + source, + crate_name, + edition, + can_merge_doctests, + // If `test_id` is `None`, it means we're generating code for a code example "run" link. + test_id, + lang_str, + span, + } = self; let can_merge_doctests = can_merge_doctests && lang_str.is_some_and(|lang_str| { !lang_str.compile_fail && !lang_str.test_harness && !lang_str.standalone_crate @@ -69,7 +114,7 @@ impl DocTestBuilder { let result = rustc_driver::catch_fatal_errors(|| { rustc_span::create_session_if_not_set_then(edition, |_| { - parse_source(source, &crate_name) + parse_source(source, &crate_name, dcx, span) }) }); @@ -87,7 +132,7 @@ impl DocTestBuilder { else { // If the AST returned an error, we don't want this doctest to be merged with the // others. - return Self::invalid( + return DocTestBuilder::invalid( String::new(), String::new(), String::new(), @@ -107,7 +152,7 @@ impl DocTestBuilder { // If this is a merged doctest and a defined macro uses `$crate`, then the path will // not work, so better not put it into merged doctests. && !(has_macro_def && everything_else.contains("$crate")); - Self { + DocTestBuilder { supports_color, has_main_fn, crate_attrs, @@ -120,7 +165,26 @@ impl DocTestBuilder { can_be_merged, } } +} +/// This struct contains information about the doctest itself which is then used to generate +/// doctest source code appropriately. +pub(crate) struct DocTestBuilder { + pub(crate) supports_color: bool, + pub(crate) already_has_extern_crate: bool, + pub(crate) has_main_fn: bool, + pub(crate) crate_attrs: String, + /// If this is a merged doctest, it will be put into `everything_else`, otherwise it will + /// put into `crate_attrs`. + pub(crate) maybe_crate_attrs: String, + pub(crate) crates: String, + pub(crate) everything_else: String, + pub(crate) test_id: Option<String>, + pub(crate) invalid_ast: bool, + pub(crate) can_be_merged: bool, +} + +impl DocTestBuilder { fn invalid( crate_attrs: String, maybe_crate_attrs: String, @@ -289,7 +353,12 @@ fn reset_error_count(psess: &ParseSess) { const DOCTEST_CODE_WRAPPER: &str = "fn f(){"; -fn parse_source(source: &str, crate_name: &Option<&str>) -> Result<ParseSourceInfo, ()> { +fn parse_source( + source: &str, + crate_name: &Option<&str>, + parent_dcx: Option<DiagCtxtHandle<'_>>, + span: Span, +) -> Result<ParseSourceInfo, ()> { use rustc_errors::DiagCtxt; use rustc_errors::emitter::{Emitter, HumanEmitter}; use rustc_span::source_map::FilePathMapping; @@ -466,8 +535,17 @@ fn parse_source(source: &str, crate_name: &Option<&str>) -> Result<ParseSourceIn } } if has_non_items { - // FIXME: if `info.has_main_fn` is `true`, emit a warning here to mention that - // this code will not be called. + if info.has_main_fn + && let Some(dcx) = parent_dcx + && !span.is_dummy() + { + dcx.span_warn( + span, + "the `main` function of this doctest won't be run as it contains \ + expressions at the top level, meaning that the whole doctest code will be \ + wrapped in a function", + ); + } info.has_main_fn = false; } Ok(info) diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index b3a3ce08a05..e358a7e44e5 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -4,7 +4,7 @@ use std::fs::read_to_string; use std::sync::{Arc, Mutex}; use rustc_session::config::Input; -use rustc_span::FileName; +use rustc_span::{DUMMY_SP, FileName}; use tempfile::tempdir; use super::{ @@ -24,7 +24,14 @@ impl DocTestVisitor for MdCollector { let filename = self.filename.clone(); // First line of Markdown is line 1. let line = 1 + rel_line.offset(); - self.tests.push(ScrapedDocTest::new(filename, line, self.cur_path.clone(), config, test)); + self.tests.push(ScrapedDocTest::new( + filename, + line, + self.cur_path.clone(), + config, + test, + DUMMY_SP, + )); } fn visit_header(&mut self, name: &str, level: u32) { @@ -107,7 +114,7 @@ pub(crate) fn test(input: &Input, options: Options) -> Result<(), String> { find_testable_code(&input_str, &mut md_collector, codes, None); let mut collector = CreateRunnableDocTests::new(options.clone(), opts); - md_collector.tests.into_iter().for_each(|t| collector.add_test(t)); + md_collector.tests.into_iter().for_each(|t| collector.add_test(t, None)); let CreateRunnableDocTests { opts, rustdoc_options, standalone_tests, mergeable_tests, .. } = collector; crate::doctest::run_tests( diff --git a/src/librustdoc/doctest/rust.rs b/src/librustdoc/doctest/rust.rs index 43dcfab880b..f9d2aa3d3b4 100644 --- a/src/librustdoc/doctest/rust.rs +++ b/src/librustdoc/doctest/rust.rs @@ -1,5 +1,6 @@ //! Doctest functionality used only for doctests in `.rs` source files. +use std::cell::Cell; use std::env; use std::sync::Arc; @@ -47,13 +48,33 @@ impl RustCollector { impl DocTestVisitor for RustCollector { fn visit_test(&mut self, test: String, config: LangString, rel_line: MdRelLine) { - let line = self.get_base_line() + rel_line.offset(); + let base_line = self.get_base_line(); + let line = base_line + rel_line.offset(); + let count = Cell::new(base_line); + let span = if line > base_line { + match self.source_map.span_extend_while(self.position, |c| { + if c == '\n' { + let count_v = count.get(); + count.set(count_v + 1); + if count_v >= line { + return false; + } + } + true + }) { + Ok(sp) => self.source_map.span_extend_to_line(sp.shrink_to_hi()), + _ => self.position, + } + } else { + self.position + }; self.tests.push(ScrapedDocTest::new( self.get_filename(), line, self.cur_path.clone(), config, test, + span, )); } diff --git a/src/librustdoc/doctest/tests.rs b/src/librustdoc/doctest/tests.rs index 618c2041b43..08248fdf39b 100644 --- a/src/librustdoc/doctest/tests.rs +++ b/src/librustdoc/doctest/tests.rs @@ -1,8 +1,6 @@ use std::path::PathBuf; -use rustc_span::edition::DEFAULT_EDITION; - -use super::{DocTestBuilder, GlobalTestOptions}; +use super::{BuildDocTestBuilder, GlobalTestOptions}; fn make_test( test_code: &str, @@ -11,14 +9,14 @@ fn make_test( opts: &GlobalTestOptions, test_id: Option<&str>, ) -> (String, usize) { - let doctest = DocTestBuilder::new( - test_code, - crate_name, - DEFAULT_EDITION, - false, - test_id.map(|s| s.to_string()), - None, - ); + let mut builder = BuildDocTestBuilder::new(test_code); + if let Some(crate_name) = crate_name { + builder = builder.crate_name(crate_name); + } + if let Some(test_id) = test_id { + builder = builder.test_id(test_id.to_string()); + } + let doctest = builder.build(None); let (code, line_offset) = doctest.generate_unique_doctest(test_code, dont_insert_main, opts, crate_name); (code, line_offset) diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index 19402004ed5..4989bd718c9 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -1,6 +1,6 @@ use std::mem; -use rustc_attr_parsing::StabilityLevel; +use rustc_attr_data_structures::StabilityLevel; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet}; use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, DefIdSet}; use rustc_middle::ty::{self, TyCtxt}; diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 8c7ab640bed..e9a7f4367a3 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -7,15 +7,14 @@ //! some of them support an alternate format that emits text, but that should //! not be used external to this module. -use std::borrow::Cow; use std::cmp::Ordering; use std::fmt::{self, Display, Write}; use std::iter::{self, once}; use std::slice; -use itertools::Either; +use itertools::{Either, Itertools}; use rustc_abi::ExternAbi; -use rustc_attr_parsing::{ConstStability, StabilityLevel, StableSince}; +use rustc_attr_data_structures::{ConstStability, StabilityLevel, StableSince}; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::def::DefKind; @@ -483,12 +482,12 @@ fn generate_item_def_id_path( let mut is_remote = false; let url_parts = url_parts(cx.cache(), def_id, module_fqp, &cx.current, &mut is_remote)?; - let (url_parts, shortty, fqp) = make_href(root_path, shortty, url_parts, &fqp, is_remote)?; - if def_id == original_def_id { - return Ok((url_parts, shortty, fqp)); - } - let kind = ItemType::from_def_kind(original_def_kind, Some(def_kind)); - Ok((format!("{url_parts}#{kind}.{}", tcx.item_name(original_def_id)), shortty, fqp)) + let mut url_parts = make_href(root_path, shortty, url_parts, &fqp, is_remote); + if def_id != original_def_id { + let kind = ItemType::from_def_kind(original_def_kind, Some(def_kind)); + url_parts = format!("{url_parts}#{kind}.{}", tcx.item_name(original_def_id)) + }; + Ok((url_parts, shortty, fqp)) } fn to_module_fqp(shortty: ItemType, fqp: &[Symbol]) -> &[Symbol] { @@ -510,7 +509,7 @@ fn url_parts( builder.extend(module_fqp.iter().copied()); Ok(builder) } - ExternalLocation::Local => Ok(href_relative_parts(module_fqp, relative_to).collect()), + ExternalLocation::Local => Ok(href_relative_parts(module_fqp, relative_to)), ExternalLocation::Unknown => Err(HrefError::DocumentationNotBuilt), } } @@ -521,7 +520,7 @@ fn make_href( mut url_parts: UrlPartsBuilder, fqp: &[Symbol], is_remote: bool, -) -> Result<(String, ItemType, Vec<Symbol>), HrefError> { +) -> String { if !is_remote && let Some(root_path) = root_path { let root = root_path.trim_end_matches('/'); url_parts.push_front(root); @@ -536,7 +535,7 @@ fn make_href( url_parts.push_fmt(format_args!("{shortty}.{last}.html")); } } - Ok((url_parts.finish(), shortty, fqp.to_vec())) + url_parts.finish() } pub(crate) fn href_with_root_path( @@ -587,7 +586,7 @@ pub(crate) fn href_with_root_path( Some(&(ref fqp, shortty)) => (fqp, shortty, { let module_fqp = to_module_fqp(shortty, fqp.as_slice()); debug!(?fqp, ?shortty, ?module_fqp); - href_relative_parts(module_fqp, relative_to).collect() + href_relative_parts(module_fqp, relative_to) }), None => { // Associated items are handled differently with "jump to def". The anchor is generated @@ -606,7 +605,8 @@ pub(crate) fn href_with_root_path( } } }; - make_href(root_path, shortty, url_parts, fqp, is_remote) + let url_parts = make_href(root_path, shortty, url_parts, &fqp, is_remote); + Ok((url_parts, shortty, fqp.clone())) } pub(crate) fn href( @@ -619,34 +619,30 @@ pub(crate) fn href( /// Both paths should only be modules. /// This is because modules get their own directories; that is, `std::vec` and `std::vec::Vec` will /// both need `../iter/trait.Iterator.html` to get at the iterator trait. -pub(crate) fn href_relative_parts<'fqp>( - fqp: &'fqp [Symbol], - relative_to_fqp: &[Symbol], -) -> Box<dyn Iterator<Item = Symbol> + 'fqp> { +pub(crate) fn href_relative_parts(fqp: &[Symbol], relative_to_fqp: &[Symbol]) -> UrlPartsBuilder { for (i, (f, r)) in fqp.iter().zip(relative_to_fqp.iter()).enumerate() { // e.g. linking to std::iter from std::vec (`dissimilar_part_count` will be 1) if f != r { let dissimilar_part_count = relative_to_fqp.len() - i; let fqp_module = &fqp[i..]; - return Box::new( - iter::repeat_n(sym::dotdot, dissimilar_part_count) - .chain(fqp_module.iter().copied()), - ); + return iter::repeat_n(sym::dotdot, dissimilar_part_count) + .chain(fqp_module.iter().copied()) + .collect(); } } match relative_to_fqp.len().cmp(&fqp.len()) { Ordering::Less => { // e.g. linking to std::sync::atomic from std::sync - Box::new(fqp[relative_to_fqp.len()..fqp.len()].iter().copied()) + fqp[relative_to_fqp.len()..fqp.len()].iter().copied().collect() } Ordering::Greater => { // e.g. linking to std::sync from std::sync::atomic let dissimilar_part_count = relative_to_fqp.len() - fqp.len(); - Box::new(iter::repeat_n(sym::dotdot, dissimilar_part_count)) + iter::repeat_n(sym::dotdot, dissimilar_part_count).collect() } Ordering::Equal => { // linking to the same module - Box::new(iter::empty()) + UrlPartsBuilder::new() } } } @@ -708,13 +704,13 @@ fn resolved_path( f, "{path}::{anchor}", path = join_with_double_colon(&fqp[..fqp.len() - 1]), - anchor = anchor(did, *fqp.last().unwrap(), cx) + anchor = print_anchor(did, *fqp.last().unwrap(), cx) ) } else { write!(f, "{}", last.name) } } else { - write!(f, "{}", anchor(did, last.name, cx)) + write!(f, "{}", print_anchor(did, last.name, cx)) } }); write!(w, "{path}{args}", args = last.args.print(cx))?; @@ -800,7 +796,7 @@ fn primitive_link_fragment( Ok(()) } -fn tybounds( +fn print_tybounds( bounds: &[clean::PolyTrait], lt: &Option<clean::Lifetime>, cx: &Context<'_>, @@ -832,7 +828,7 @@ fn print_higher_ranked_params_with_space( }) } -pub(crate) fn anchor(did: DefId, text: Symbol, cx: &Context<'_>) -> impl Display { +pub(crate) fn print_anchor(did: DefId, text: Symbol, cx: &Context<'_>) -> impl Display { fmt::from_fn(move |f| { let parts = href(did, cx); if let Ok((url, short_ty, fqp)) = parts { @@ -866,7 +862,7 @@ fn fmt_type( } clean::DynTrait(bounds, lt) => { f.write_str("dyn ")?; - tybounds(bounds, lt, cx).fmt(f) + print_tybounds(bounds, lt, cx).fmt(f) } clean::Infer => write!(f, "_"), clean::Primitive(clean::PrimitiveType::Never) => { @@ -1122,8 +1118,8 @@ impl clean::Impl { write!(f, "!")?; } if self.kind.is_fake_variadic() - && let generics = ty.generics() - && let &[inner_type] = generics.as_ref().map_or(&[][..], |v| &v[..]) + && let Some(generics) = ty.generics() + && let Ok(inner_type) = generics.exactly_one() { let last = ty.last(); if f.alternate() { @@ -1131,7 +1127,7 @@ impl clean::Impl { self.print_type(inner_type, f, use_absolute, cx)?; write!(f, ">")?; } else { - write!(f, "{}<", anchor(ty.def_id(), last, cx))?; + write!(f, "{}<", print_anchor(ty.def_id(), last, cx))?; self.print_type(inner_type, f, use_absolute, cx)?; write!(f, ">")?; } @@ -1202,11 +1198,10 @@ impl clean::Impl { } } else if let clean::Type::Path { path } = type_ && let Some(generics) = path.generics() - && generics.len() == 1 + && let Ok(ty) = generics.exactly_one() && self.kind.is_fake_variadic() { - let ty = generics[0]; - let wrapper = anchor(path.def_id(), path.last(), cx); + let wrapper = print_anchor(path.def_id(), path.last(), cx); if f.alternate() { write!(f, "{wrapper:#}<")?; } else { @@ -1394,50 +1389,47 @@ impl clean::FnDecl { } pub(crate) fn visibility_print_with_space(item: &clean::Item, cx: &Context<'_>) -> impl Display { - use std::fmt::Write as _; - let vis: Cow<'static, str> = match item.visibility(cx.tcx()) { - None => "".into(), - Some(ty::Visibility::Public) => "pub ".into(), - Some(ty::Visibility::Restricted(vis_did)) => { - // FIXME(camelid): This may not work correctly if `item_did` is a module. - // However, rustdoc currently never displays a module's - // visibility, so it shouldn't matter. - let parent_module = find_nearest_parent_module(cx.tcx(), item.item_id.expect_def_id()); - - if vis_did.is_crate_root() { - "pub(crate) ".into() - } else if parent_module == Some(vis_did) { - // `pub(in foo)` where `foo` is the parent module - // is the same as no visibility modifier - "".into() - } else if parent_module.and_then(|parent| find_nearest_parent_module(cx.tcx(), parent)) - == Some(vis_did) - { - "pub(super) ".into() - } else { - let path = cx.tcx().def_path(vis_did); - debug!("path={path:?}"); - // modified from `resolved_path()` to work with `DefPathData` - let last_name = path.data.last().unwrap().data.get_opt_name().unwrap(); - let anchor = anchor(vis_did, last_name, cx); - - let mut s = "pub(in ".to_owned(); - for seg in &path.data[..path.data.len() - 1] { - let _ = write!(s, "{}::", seg.data.get_opt_name().unwrap()); - } - let _ = write!(s, "{anchor}) "); - s.into() - } - } - }; - - let is_doc_hidden = item.is_doc_hidden(); fmt::from_fn(move |f| { - if is_doc_hidden { + if item.is_doc_hidden() { f.write_str("#[doc(hidden)] ")?; } - f.write_str(&vis) + match item.visibility(cx.tcx()) { + None => {} + Some(ty::Visibility::Public) => f.write_str("pub ")?, + Some(ty::Visibility::Restricted(vis_did)) => { + // FIXME(camelid): This may not work correctly if `item_did` is a module. + // However, rustdoc currently never displays a module's + // visibility, so it shouldn't matter. + let parent_module = + find_nearest_parent_module(cx.tcx(), item.item_id.expect_def_id()); + + if vis_did.is_crate_root() { + f.write_str("pub(crate) ")?; + } else if parent_module == Some(vis_did) { + // `pub(in foo)` where `foo` is the parent module + // is the same as no visibility modifier; do nothing + } else if parent_module + .and_then(|parent| find_nearest_parent_module(cx.tcx(), parent)) + == Some(vis_did) + { + f.write_str("pub(super) ")?; + } else { + let path = cx.tcx().def_path(vis_did); + debug!("path={path:?}"); + // modified from `resolved_path()` to work with `DefPathData` + let last_name = path.data.last().unwrap().data.get_opt_name().unwrap(); + let anchor = print_anchor(vis_did, last_name, cx); + + f.write_str("pub(in ")?; + for seg in &path.data[..path.data.len() - 1] { + write!(f, "{}::", seg.data.get_opt_name().unwrap())?; + } + write!(f, "{anchor}) ")?; + } + } + } + Ok(()) }) } diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs index 2db1ea8450c..b2feee36c93 100644 --- a/src/librustdoc/html/highlight.rs +++ b/src/librustdoc/html/highlight.rs @@ -6,7 +6,7 @@ //! Use the `render_with_highlighting` to highlight some rust code. use std::collections::VecDeque; -use std::fmt::{Display, Write}; +use std::fmt::{self, Display, Write}; use rustc_data_structures::fx::FxIndexMap; use rustc_lexer::{Cursor, FrontmatterAllowed, LiteralKind, TokenKind}; @@ -36,9 +36,10 @@ pub(crate) struct HrefContext<'a, 'tcx> { #[derive(Default)] pub(crate) struct DecorationInfo(pub(crate) FxIndexMap<&'static str, Vec<(u32, u32)>>); -#[derive(Eq, PartialEq, Clone, Copy)] +#[derive(Eq, PartialEq, Clone)] pub(crate) enum Tooltip { - Ignore, + IgnoreAll, + IgnoreSome(Vec<String>), CompileFail, ShouldPanic, Edition(Edition), @@ -70,7 +71,7 @@ fn write_header( format_args!( "<div class=\"example-wrap{}\">", match tooltip { - Tooltip::Ignore => " ignore", + Tooltip::IgnoreAll | Tooltip::IgnoreSome(_) => " ignore", Tooltip::CompileFail => " compile_fail", Tooltip::ShouldPanic => " should_panic", Tooltip::Edition(_) => " edition", @@ -80,23 +81,29 @@ fn write_header( ); if tooltip != Tooltip::None { - let edition_code; - write_str( - out, - format_args!( - "<a href=\"#\" class=\"tooltip\" title=\"{}\">ⓘ</a>", - match tooltip { - Tooltip::Ignore => "This example is not tested", - Tooltip::CompileFail => "This example deliberately fails to compile", - Tooltip::ShouldPanic => "This example panics", - Tooltip::Edition(edition) => { - edition_code = format!("This example runs with edition {edition}"); - &edition_code + let tooltip = fmt::from_fn(|f| match &tooltip { + Tooltip::IgnoreAll => f.write_str("This example is not tested"), + Tooltip::IgnoreSome(platforms) => { + f.write_str("This example is not tested on ")?; + match &platforms[..] { + [] => unreachable!(), + [platform] => f.write_str(platform)?, + [first, second] => write!(f, "{first} or {second}")?, + [platforms @ .., last] => { + for platform in platforms { + write!(f, "{platform}, ")?; + } + write!(f, "or {last}")?; } - Tooltip::None => unreachable!(), } - ), - ); + Ok(()) + } + Tooltip::CompileFail => f.write_str("This example deliberately fails to compile"), + Tooltip::ShouldPanic => f.write_str("This example panics"), + Tooltip::Edition(edition) => write!(f, "This example runs with edition {edition}"), + Tooltip::None => unreachable!(), + }); + write_str(out, format_args!("<a href=\"#\" class=\"tooltip\" title=\"{tooltip}\">ⓘ</a>")); } if let Some(extra) = extra_content { diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs index 44b3be23914..50320cb231d 100644 --- a/src/librustdoc/html/layout.rs +++ b/src/librustdoc/html/layout.rs @@ -1,4 +1,4 @@ -use std::fmt::{self, Display}; +use std::fmt::Display; use std::path::PathBuf; use askama::Template; @@ -8,7 +8,6 @@ use super::static_files::{STATIC_FILES, StaticFiles}; use crate::externalfiles::ExternalHtml; use crate::html::render::{StylePath, ensure_trailing_slash}; -#[derive(Clone)] pub(crate) struct Layout { pub(crate) logo: String, pub(crate) favicon: String, @@ -71,23 +70,6 @@ struct PageLayout<'a> { pub(crate) use crate::html::render::sidebar::filters; -/// Implements [`Display`] for a function that accepts a mutable reference to a [`String`], and (optionally) writes to it. -/// -/// The wrapped function will receive an empty string, and can modify it, -/// and the `Display` implementation will write the contents of the string after the function has finished. -pub(crate) struct BufDisplay<F>(pub F); - -impl<F> Display for BufDisplay<F> -where - F: Fn(&mut String), -{ - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut buf = String::new(); - self.0(&mut buf); - f.write_str(&buf) - } -} - pub(crate) fn render<T: Display, S: Display>( layout: &Layout, page: &Page<'_>, diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index fc46293e7ea..68ba1245520 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -195,7 +195,7 @@ fn slugify(c: char) -> Option<char> { } } -#[derive(Clone, Debug)] +#[derive(Debug)] pub struct Playground { pub crate_name: Option<Symbol>, pub url: String, @@ -303,7 +303,11 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for CodeBlocks<'_, 'a, I> { attrs: vec![], args_file: PathBuf::new(), }; - let doctest = doctest::DocTestBuilder::new(&test, krate, edition, false, None, None); + let mut builder = doctest::BuildDocTestBuilder::new(&test).edition(edition); + if let Some(krate) = krate { + builder = builder.crate_name(krate); + } + let doctest = builder.build(None); let (test, _) = doctest.generate_unique_doctest(&test, false, &opts, krate); let channel = if test.contains("#![feature(") { "&version=nightly" } else { "" }; @@ -316,8 +320,10 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for CodeBlocks<'_, 'a, I> { )) }); - let tooltip = if ignore != Ignore::None { - highlight::Tooltip::Ignore + let tooltip = if ignore == Ignore::All { + highlight::Tooltip::IgnoreAll + } else if let Ignore::Some(platforms) = ignore { + highlight::Tooltip::IgnoreSome(platforms) } else if compile_fail { highlight::Tooltip::CompileFail } else if should_panic { diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index f22935df96c..5984dcd74ca 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -14,7 +14,7 @@ use rustc_span::edition::Edition; use rustc_span::{FileName, Symbol, sym}; use tracing::info; -use super::print_item::{full_path, item_path, print_item}; +use super::print_item::{full_path, print_item, print_item_path}; use super::sidebar::{ModuleLike, Sidebar, print_sidebar, sidebar_module_like}; use super::{AllTypes, LinkFromSrc, StylePath, collect_spans_and_sources, scrape_examples_help}; use crate::clean::types::ExternalLocation; @@ -28,11 +28,10 @@ use crate::formats::cache::Cache; use crate::formats::item_type::ItemType; use crate::html::escape::Escape; use crate::html::format::join_with_double_colon; -use crate::html::layout::{self, BufDisplay}; use crate::html::markdown::{self, ErrorCodes, IdMap, plain_text_summary}; use crate::html::render::write_shared::write_shared; use crate::html::url_parts_builder::UrlPartsBuilder; -use crate::html::{sources, static_files}; +use crate::html::{layout, sources, static_files}; use crate::scrape_examples::AllCallLocations; use crate::{DOC_RUST_LANG_ORG_VERSION, try_err}; @@ -250,9 +249,7 @@ impl<'tcx> Context<'tcx> { layout::render( &self.shared.layout, &page, - BufDisplay(|buf: &mut String| { - print_sidebar(self, it, buf); - }), + fmt::from_fn(|f| print_sidebar(self, it, f)), content, &self.shared.style_files, ) @@ -269,7 +266,7 @@ impl<'tcx> Context<'tcx> { for name in &names[..names.len() - 1] { write!(f, "{name}/")?; } - write!(f, "{}", item_path(ty, names.last().unwrap().as_str())) + write!(f, "{}", print_item_path(ty, names.last().unwrap().as_str())) }); match self.shared.redirections { Some(ref redirections) => { @@ -281,7 +278,7 @@ impl<'tcx> Context<'tcx> { let _ = write!( current_path, "{}", - item_path(ty, names.last().unwrap().as_str()) + print_item_path(ty, names.last().unwrap().as_str()) ); redirections.borrow_mut().insert(current_path, path.to_string()); } @@ -850,7 +847,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { if !buf.is_empty() { let name = item.name.as_ref().unwrap(); let item_type = item.type_(); - let file_name = item_path(item_type, name.as_str()).to_string(); + let file_name = print_item_path(item_type, name.as_str()).to_string(); self.shared.ensure_dir(&self.dst)?; let joint_dst = self.dst.join(&file_name); self.shared.fs.write(joint_dst, buf)?; diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index beaa6497b8c..66d5aafa3c1 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -49,7 +49,7 @@ use std::{fs, str}; use askama::Template; use itertools::Either; -use rustc_attr_parsing::{ +use rustc_attr_data_structures::{ ConstStability, DeprecatedSince, Deprecation, RustcVersion, StabilityLevel, StableSince, }; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; @@ -538,7 +538,7 @@ fn document( } fmt::from_fn(move |f| { - document_item_info(cx, item, parent).render_into(f).unwrap(); + document_item_info(cx, item, parent).render_into(f)?; if parent.is_none() { write!(f, "{}", document_full_collapsible(item, cx, heading_offset)) } else { @@ -582,7 +582,7 @@ fn document_short( show_def_docs: bool, ) -> impl fmt::Display { fmt::from_fn(move |f| { - document_item_info(cx, item, Some(parent)).render_into(f).unwrap(); + document_item_info(cx, item, Some(parent)).render_into(f)?; if !show_def_docs { return Ok(()); } @@ -661,7 +661,7 @@ fn document_full_inner( }; if let clean::ItemKind::FunctionItem(..) | clean::ItemKind::MethodItem(..) = kind { - render_call_locations(f, cx, item); + render_call_locations(f, cx, item)?; } Ok(()) }) @@ -1194,18 +1194,36 @@ fn render_assoc_item( // a whitespace prefix and newline. fn render_attributes_in_pre(it: &clean::Item, prefix: &str, cx: &Context<'_>) -> impl fmt::Display { fmt::from_fn(move |f| { - for a in it.attributes(cx.tcx(), cx.cache(), false) { + for a in it.attributes_and_repr(cx.tcx(), cx.cache(), false) { writeln!(f, "{prefix}{a}")?; } Ok(()) }) } +struct CodeAttribute(String); + +fn render_code_attribute(code_attr: CodeAttribute, w: &mut impl fmt::Write) { + write!(w, "<div class=\"code-attribute\">{}</div>", code_attr.0).unwrap(); +} + // When an attribute is rendered inside a <code> tag, it is formatted using // a div to produce a newline after it. fn render_attributes_in_code(w: &mut impl fmt::Write, it: &clean::Item, cx: &Context<'_>) { - for attr in it.attributes(cx.tcx(), cx.cache(), false) { - write!(w, "<div class=\"code-attribute\">{attr}</div>").unwrap(); + for attr in it.attributes_and_repr(cx.tcx(), cx.cache(), false) { + render_code_attribute(CodeAttribute(attr), w); + } +} + +/// used for type aliases to only render their `repr` attribute. +fn render_repr_attributes_in_code( + w: &mut impl fmt::Write, + cx: &Context<'_>, + def_id: DefId, + item_type: ItemType, +) { + if let Some(repr) = clean::repr_attributes(cx.tcx(), cx.cache(), def_id, item_type, false) { + render_code_attribute(CodeAttribute(repr), w); } } @@ -2530,7 +2548,7 @@ fn item_ty_to_section(ty: ItemType) -> ItemSection { /// types are re-exported, we don't use the corresponding /// entry from the js file, as inlining will have already /// picked up the impl -fn collect_paths_for_type(first_ty: clean::Type, cache: &Cache) -> Vec<String> { +fn collect_paths_for_type(first_ty: &clean::Type, cache: &Cache) -> Vec<String> { let mut out = Vec::new(); let mut visited = FxHashSet::default(); let mut work = VecDeque::new(); @@ -2547,7 +2565,7 @@ fn collect_paths_for_type(first_ty: clean::Type, cache: &Cache) -> Vec<String> { work.push_back(first_ty); while let Some(ty) = work.pop_front() { - if !visited.insert(ty.clone()) { + if !visited.insert(ty) { continue; } @@ -2557,16 +2575,16 @@ fn collect_paths_for_type(first_ty: clean::Type, cache: &Cache) -> Vec<String> { work.extend(tys.into_iter()); } clean::Type::Slice(ty) => { - work.push_back(*ty); + work.push_back(ty); } clean::Type::Array(ty, _) => { - work.push_back(*ty); + work.push_back(ty); } clean::Type::RawPointer(_, ty) => { - work.push_back(*ty); + work.push_back(ty); } clean::Type::BorrowedRef { type_, .. } => { - work.push_back(*type_); + work.push_back(type_); } clean::Type::QPath(box clean::QPathData { self_type, trait_, .. }) => { work.push_back(self_type); @@ -2584,11 +2602,15 @@ const MAX_FULL_EXAMPLES: usize = 5; const NUM_VISIBLE_LINES: usize = 10; /// Generates the HTML for example call locations generated via the --scrape-examples flag. -fn render_call_locations<W: fmt::Write>(mut w: W, cx: &Context<'_>, item: &clean::Item) { +fn render_call_locations<W: fmt::Write>( + mut w: W, + cx: &Context<'_>, + item: &clean::Item, +) -> fmt::Result { let tcx = cx.tcx(); let def_id = item.item_id.expect_def_id(); let key = tcx.def_path_hash(def_id); - let Some(call_locations) = cx.shared.call_locations.get(&key) else { return }; + let Some(call_locations) = cx.shared.call_locations.get(&key) else { return Ok(()) }; // Generate a unique ID so users can link to this section for a given method let id = cx.derive_id("scraped-examples"); @@ -2602,8 +2624,7 @@ fn render_call_locations<W: fmt::Write>(mut w: W, cx: &Context<'_>, item: &clean </h5>", root_path = cx.root_path(), id = id - ) - .unwrap(); + )?; // Create a URL to a particular location in a reverse-dependency's source file let link_to_loc = |call_data: &CallData, loc: &CallLocation| -> (String, String) { @@ -2705,7 +2726,8 @@ fn render_call_locations<W: fmt::Write>(mut w: W, cx: &Context<'_>, item: &clean title: init_title, locations: locations_encoded, }), - ); + ) + .unwrap(); true }; @@ -2761,8 +2783,7 @@ fn render_call_locations<W: fmt::Write>(mut w: W, cx: &Context<'_>, item: &clean <div class=\"hide-more\">Hide additional examples</div>\ <div class=\"more-scraped-examples\">\ <div class=\"toggle-line\"><div class=\"toggle-line-inner\"></div></div>" - ) - .unwrap(); + )?; // Only generate inline code for MAX_FULL_EXAMPLES number of examples. Otherwise we could // make the page arbitrarily huge! @@ -2774,9 +2795,8 @@ fn render_call_locations<W: fmt::Write>(mut w: W, cx: &Context<'_>, item: &clean if it.peek().is_some() { w.write_str( r#"<div class="example-links">Additional examples can be found in:<br><ul>"#, - ) - .unwrap(); - it.for_each(|(_, call_data)| { + )?; + it.try_for_each(|(_, call_data)| { let (url, _) = link_to_loc(call_data, &call_data.locations[0]); write!( w, @@ -2784,13 +2804,12 @@ fn render_call_locations<W: fmt::Write>(mut w: W, cx: &Context<'_>, item: &clean url = url, name = call_data.display_name ) - .unwrap(); - }); - w.write_str("</ul></div>").unwrap(); + })?; + w.write_str("</ul></div>")?; } - w.write_str("</div></details>").unwrap(); + w.write_str("</div></details>")?; } - w.write_str("</div>").unwrap(); + w.write_str("</div>") } diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index 39a631b637b..a75088d27cc 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -20,7 +20,7 @@ use super::{ collect_paths_for_type, document, ensure_trailing_slash, get_filtered_impls_for_reference, item_ty_to_section, notable_traits_button, notable_traits_json, render_all_impls, render_assoc_item, render_assoc_items, render_attributes_in_code, render_attributes_in_pre, - render_impl, render_rightside, render_stability_since_raw, + render_impl, render_repr_attributes_in_code, render_rightside, render_stability_since_raw, render_stability_since_raw_with_extra, write_section_heading, }; use crate::clean; @@ -413,7 +413,7 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i match myitem.kind { clean::ExternCrateItem { ref src } => { - use crate::html::format::anchor; + use crate::html::format::print_anchor; match *src { Some(src) => { @@ -421,7 +421,7 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i w, "<dt><code>{}extern crate {} as {};", visibility_print_with_space(myitem, cx), - anchor(myitem.item_id.expect_def_id(), src, cx), + print_anchor(myitem.item_id.expect_def_id(), src, cx), EscapeBodyTextWithWbr(myitem.name.unwrap().as_str()) )?; } @@ -430,7 +430,11 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i w, "<dt><code>{}extern crate {};", visibility_print_with_space(myitem, cx), - anchor(myitem.item_id.expect_def_id(), myitem.name.unwrap(), cx) + print_anchor( + myitem.item_id.expect_def_id(), + myitem.name.unwrap(), + cx + ) )?; } } @@ -439,7 +443,7 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i clean::ImportItem(ref import) => { let stab_tags = import.source.did.map_or_else(String::new, |import_def_id| { - extra_info_tags(tcx, myitem, item, Some(import_def_id)).to_string() + print_extra_info_tags(tcx, myitem, item, Some(import_def_id)).to_string() }); let id = match import.kind { @@ -497,7 +501,9 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i write!( w, "<dt>\ - <a class=\"{class}\" href=\"{href}\" title=\"{title}\">{name}</a>\ + <a class=\"{class}\" href=\"{href}\" title=\"{title1} {title2}\">\ + {name}\ + </a>\ {visibility_and_hidden}\ {unsafety_flag}\ {stab_tags}\ @@ -505,11 +511,12 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i {docs_before}{docs}{docs_after}", name = EscapeBodyTextWithWbr(myitem.name.unwrap().as_str()), visibility_and_hidden = visibility_and_hidden, - stab_tags = extra_info_tags(tcx, myitem, item, None), + stab_tags = print_extra_info_tags(tcx, myitem, item, None), class = myitem.type_(), unsafety_flag = unsafety_flag, - href = item_path(myitem.type_(), myitem.name.unwrap().as_str()), - title = format_args!("{} {}", myitem.type_(), full_path(cx, myitem)), + href = print_item_path(myitem.type_(), myitem.name.unwrap().as_str()), + title1 = myitem.type_(), + title2 = full_path(cx, myitem), )?; } } @@ -524,7 +531,7 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i /// Render the stability, deprecation and portability tags that are displayed in the item's summary /// at the module level. -fn extra_info_tags( +fn print_extra_info_tags( tcx: TyCtxt<'_>, item: &clean::Item, parent: &clean::Item, @@ -639,7 +646,7 @@ fn item_function(cx: &Context<'_>, it: &clean::Item, f: &clean::Function) -> imp fn item_trait(cx: &Context<'_>, it: &clean::Item, t: &clean::Trait) -> impl fmt::Display { fmt::from_fn(|w| { let tcx = cx.tcx(); - let bounds = bounds(&t.bounds, false, cx); + let bounds = print_bounds(&t.bounds, false, cx); let required_types = t.items.iter().filter(|m| m.is_required_associated_type()).collect::<Vec<_>>(); let provided_types = t.items.iter().filter(|m| m.is_associated_type()).collect::<Vec<_>>(); @@ -652,7 +659,7 @@ fn item_trait(cx: &Context<'_>, it: &clean::Item, t: &clean::Trait) -> impl fmt: let count_types = required_types.len() + provided_types.len(); let count_consts = required_consts.len() + provided_consts.len(); let count_methods = required_methods.len() + provided_methods.len(); - let must_implement_one_of_functions = tcx.trait_def(t.def_id).must_implement_one_of.clone(); + let must_implement_one_of_functions = &tcx.trait_def(t.def_id).must_implement_one_of; // Output the trait definition wrap_item(w, |mut w| { @@ -1088,7 +1095,7 @@ fn item_trait(cx: &Context<'_>, it: &clean::Item, t: &clean::Trait) -> impl fmt: it, &implementor_dups, &collect_paths_for_type( - implementor.inner_impl().for_.clone(), + &implementor.inner_impl().for_, &cx.shared.cache, ), ) @@ -1236,7 +1243,7 @@ fn item_trait_alias( attrs = render_attributes_in_pre(it, "", cx), name = it.name.unwrap(), generics = t.generics.print(cx), - bounds = bounds(&t.bounds, true, cx), + bounds = print_bounds(&t.bounds, true, cx), where_clause = print_where_clause(&t.generics, cx, 0, Ending::NoNewline).maybe_display(), ) @@ -1278,94 +1285,58 @@ fn item_type_alias(cx: &Context<'_>, it: &clean::Item, t: &clean::TypeAlias) -> match inner_type { clean::TypeAliasInnerType::Enum { variants, is_non_exhaustive } => { - let variants_iter = || variants.iter().filter(|i| !i.is_stripped()); let ty = cx.tcx().type_of(it.def_id().unwrap()).instantiate_identity(); let enum_def_id = ty.ty_adt_def().unwrap().did(); - wrap_item(w, |w| { - let variants_len = variants.len(); - let variants_count = variants_iter().count(); - let has_stripped_entries = variants_len != variants_count; - - write!( - w, - "enum {}{}{}", - it.name.unwrap(), - t.generics.print(cx), - render_enum_fields( - cx, - Some(&t.generics), - variants, - variants_count, - has_stripped_entries, - *is_non_exhaustive, - enum_def_id, - ) - ) - })?; - write!(w, "{}", item_variants(cx, it, variants, enum_def_id))?; + DisplayEnum { + variants, + generics: &t.generics, + is_non_exhaustive: *is_non_exhaustive, + def_id: enum_def_id, + } + .render_into(cx, it, true, w)?; } clean::TypeAliasInnerType::Union { fields } => { - wrap_item(w, |w| { - let fields_count = fields.iter().filter(|i| !i.is_stripped()).count(); - let has_stripped_fields = fields.len() != fields_count; + let ty = cx.tcx().type_of(it.def_id().unwrap()).instantiate_identity(); + let union_def_id = ty.ty_adt_def().unwrap().did(); - write!( - w, - "union {}{}{}", - it.name.unwrap(), - t.generics.print(cx), - render_struct_fields( - Some(&t.generics), - None, - fields, - "", - true, - has_stripped_fields, - cx, - ), - ) - })?; - write!(w, "{}", item_fields(cx, it, fields, None))?; + ItemUnion { + cx, + it, + fields, + generics: &t.generics, + is_type_alias: true, + def_id: union_def_id, + } + .render_into(w)?; } clean::TypeAliasInnerType::Struct { ctor_kind, fields } => { - wrap_item(w, |w| { - let fields_count = fields.iter().filter(|i| !i.is_stripped()).count(); - let has_stripped_fields = fields.len() != fields_count; + let ty = cx.tcx().type_of(it.def_id().unwrap()).instantiate_identity(); + let struct_def_id = ty.ty_adt_def().unwrap().did(); - write!( - w, - "struct {}{}{}", - it.name.unwrap(), - t.generics.print(cx), - render_struct_fields( - Some(&t.generics), - *ctor_kind, - fields, - "", - true, - has_stripped_fields, - cx, - ), - ) - })?; - write!(w, "{}", item_fields(cx, it, fields, None))?; + DisplayStruct { + ctor_kind: *ctor_kind, + generics: &t.generics, + fields, + def_id: struct_def_id, + } + .render_into(cx, it, true, w)?; } } + } else { + let def_id = it.item_id.expect_def_id(); + // Render any items associated directly to this alias, as otherwise they + // won't be visible anywhere in the docs. It would be nice to also show + // associated items from the aliased type (see discussion in #32077), but + // we need #14072 to make sense of the generics. + write!( + w, + "{}{}", + render_assoc_items(cx, it, def_id, AssocItemRender::All), + document_type_layout(cx, def_id) + )?; } - let def_id = it.item_id.expect_def_id(); - // Render any items associated directly to this alias, as otherwise they - // won't be visible anywhere in the docs. It would be nice to also show - // associated items from the aliased type (see discussion in #32077), but - // we need #14072 to make sense of the generics. - write!( - w, - "{}{}", - render_assoc_items(cx, it, def_id, AssocItemRender::All), - document_type_layout(cx, def_id) - )?; - // [RUSTDOCIMPL] type.impl // // Include type definitions from the alias target type. @@ -1463,50 +1434,83 @@ fn item_type_alias(cx: &Context<'_>, it: &clean::Item, t: &clean::TypeAlias) -> }) } -fn item_union(cx: &Context<'_>, it: &clean::Item, s: &clean::Union) -> impl fmt::Display { - item_template!( - #[template(path = "item_union.html")] - struct ItemUnion<'a, 'cx> { - cx: &'a Context<'cx>, - it: &'a clean::Item, - s: &'a clean::Union, - }, - methods = [document, document_type_layout, render_attributes_in_pre, render_assoc_items] - ); +item_template!( + #[template(path = "item_union.html")] + struct ItemUnion<'a, 'cx> { + cx: &'a Context<'cx>, + it: &'a clean::Item, + fields: &'a [clean::Item], + generics: &'a clean::Generics, + is_type_alias: bool, + def_id: DefId, + }, + methods = [document, document_type_layout, render_assoc_items] +); + +impl<'a, 'cx: 'a> ItemUnion<'a, 'cx> { + fn render_union(&self) -> impl Display { + render_union(self.it, Some(&self.generics), &self.fields, self.cx) + } - impl<'a, 'cx: 'a> ItemUnion<'a, 'cx> { - fn render_union(&self) -> impl Display { - render_union(self.it, Some(&self.s.generics), &self.s.fields, self.cx) - } + fn document_field(&self, field: &'a clean::Item) -> impl Display { + document(self.cx, field, Some(self.it), HeadingOffset::H3) + } - fn document_field(&self, field: &'a clean::Item) -> impl Display { - document(self.cx, field, Some(self.it), HeadingOffset::H3) - } + fn stability_field(&self, field: &clean::Item) -> Option<String> { + field.stability_class(self.cx.tcx()) + } - fn stability_field(&self, field: &clean::Item) -> Option<String> { - field.stability_class(self.cx.tcx()) - } + fn print_ty(&self, ty: &'a clean::Type) -> impl Display { + ty.print(self.cx) + } - fn print_ty(&self, ty: &'a clean::Type) -> impl Display { - ty.print(self.cx) - } + // FIXME (GuillaumeGomez): When <https://github.com/askama-rs/askama/issues/452> is implemented, + // we can replace the returned value with: + // + // `iter::Peekable<impl Iterator<Item = (&'a clean::Item, &'a clean::Type)>>` + // + // And update `item_union.html`. + fn fields_iter(&self) -> impl Iterator<Item = (&'a clean::Item, &'a clean::Type)> { + self.fields.iter().filter_map(|f| match f.kind { + clean::StructFieldItem(ref ty) => Some((f, ty)), + _ => None, + }) + } - fn fields_iter( - &self, - ) -> iter::Peekable<impl Iterator<Item = (&'a clean::Item, &'a clean::Type)>> { - self.s - .fields - .iter() - .filter_map(|f| match f.kind { - clean::StructFieldItem(ref ty) => Some((f, ty)), - _ => None, - }) - .peekable() - } + fn render_attributes_in_pre(&self) -> impl fmt::Display { + fmt::from_fn(move |f| { + if self.is_type_alias { + // For now the only attributes we render for type aliases are `repr` attributes. + if let Some(repr) = clean::repr_attributes( + self.cx.tcx(), + self.cx.cache(), + self.def_id, + ItemType::Union, + false, + ) { + writeln!(f, "{repr}")?; + }; + } else { + for a in self.it.attributes_and_repr(self.cx.tcx(), self.cx.cache(), false) { + writeln!(f, "{a}")?; + } + } + Ok(()) + }) } +} +fn item_union(cx: &Context<'_>, it: &clean::Item, s: &clean::Union) -> impl fmt::Display { fmt::from_fn(|w| { - ItemUnion { cx, it, s }.render_into(w).unwrap(); + ItemUnion { + cx, + it, + fields: &s.fields, + generics: &s.generics, + is_type_alias: false, + def_id: it.def_id().unwrap(), + } + .render_into(w)?; Ok(()) }) } @@ -1533,41 +1537,81 @@ fn print_tuple_struct_fields(cx: &Context<'_>, s: &[clean::Item]) -> impl Displa }) } -fn item_enum(cx: &Context<'_>, it: &clean::Item, e: &clean::Enum) -> impl fmt::Display { - fmt::from_fn(|w| { - let count_variants = e.variants().count(); +struct DisplayEnum<'clean> { + variants: &'clean IndexVec<VariantIdx, clean::Item>, + generics: &'clean clean::Generics, + is_non_exhaustive: bool, + def_id: DefId, +} + +impl<'clean> DisplayEnum<'clean> { + fn render_into<W: fmt::Write>( + self, + cx: &Context<'_>, + it: &clean::Item, + is_type_alias: bool, + w: &mut W, + ) -> fmt::Result { + let non_stripped_variant_count = self.variants.iter().filter(|i| !i.is_stripped()).count(); + let variants_len = self.variants.len(); + let has_stripped_entries = variants_len != non_stripped_variant_count; + wrap_item(w, |w| { - render_attributes_in_code(w, it, cx); + if is_type_alias { + // For now the only attributes we render for type aliases are `repr` attributes. + render_repr_attributes_in_code(w, cx, self.def_id, ItemType::Enum); + } else { + render_attributes_in_code(w, it, cx); + } write!( w, "{}enum {}{}{}", visibility_print_with_space(it, cx), it.name.unwrap(), - e.generics.print(cx), + self.generics.print(cx), render_enum_fields( cx, - Some(&e.generics), - &e.variants, - count_variants, - e.has_stripped_entries(), - it.is_non_exhaustive(), - it.def_id().unwrap(), + Some(self.generics), + self.variants, + non_stripped_variant_count, + has_stripped_entries, + self.is_non_exhaustive, + self.def_id, ), ) })?; - write!(w, "{}", document(cx, it, None, HeadingOffset::H2))?; + let def_id = it.item_id.expect_def_id(); + let layout_def_id = if is_type_alias { + self.def_id + } else { + write!(w, "{}", document(cx, it, None, HeadingOffset::H2))?; + // We don't return the same `DefId` since the layout size of the type alias might be + // different since we might have more information on the generics. + def_id + }; - if count_variants != 0 { - write!(w, "{}", item_variants(cx, it, &e.variants, it.def_id().unwrap()))?; + if non_stripped_variant_count != 0 { + write!(w, "{}", item_variants(cx, it, self.variants, self.def_id))?; } - let def_id = it.item_id.expect_def_id(); write!( w, "{}{}", render_assoc_items(cx, it, def_id, AssocItemRender::All), - document_type_layout(cx, def_id) + document_type_layout(cx, layout_def_id) ) + } +} + +fn item_enum(cx: &Context<'_>, it: &clean::Item, e: &clean::Enum) -> impl fmt::Display { + fmt::from_fn(|w| { + DisplayEnum { + variants: &e.variants, + generics: &e.generics, + is_non_exhaustive: it.is_non_exhaustive(), + def_id: it.def_id().unwrap(), + } + .render_into(cx, it, false, w) }) } @@ -1955,27 +1999,59 @@ fn item_constant( }) } -fn item_struct(cx: &Context<'_>, it: &clean::Item, s: &clean::Struct) -> impl fmt::Display { - fmt::from_fn(|w| { +struct DisplayStruct<'a> { + ctor_kind: Option<CtorKind>, + generics: &'a clean::Generics, + fields: &'a [clean::Item], + def_id: DefId, +} + +impl<'a> DisplayStruct<'a> { + fn render_into<W: fmt::Write>( + self, + cx: &Context<'_>, + it: &clean::Item, + is_type_alias: bool, + w: &mut W, + ) -> fmt::Result { wrap_item(w, |w| { - render_attributes_in_code(w, it, cx); + if is_type_alias { + // For now the only attributes we render for type aliases are `repr` attributes. + render_repr_attributes_in_code(w, cx, self.def_id, ItemType::Struct); + } else { + render_attributes_in_code(w, it, cx); + } write!( w, "{}", - render_struct(it, Some(&s.generics), s.ctor_kind, &s.fields, "", true, cx) + render_struct(it, Some(self.generics), self.ctor_kind, self.fields, "", true, cx) ) })?; - let def_id = it.item_id.expect_def_id(); + if !is_type_alias { + write!(w, "{}", document(cx, it, None, HeadingOffset::H2))?; + } + let def_id = it.item_id.expect_def_id(); write!( w, - "{}{}{}{}", - document(cx, it, None, HeadingOffset::H2), - item_fields(cx, it, &s.fields, s.ctor_kind), + "{}{}{}", + item_fields(cx, it, self.fields, self.ctor_kind), render_assoc_items(cx, it, def_id, AssocItemRender::All), document_type_layout(cx, def_id), ) + } +} + +fn item_struct(cx: &Context<'_>, it: &clean::Item, s: &clean::Struct) -> impl fmt::Display { + fmt::from_fn(|w| { + DisplayStruct { + ctor_kind: s.ctor_kind, + generics: &s.generics, + fields: s.fields.as_slice(), + def_id: it.def_id().unwrap(), + } + .render_into(cx, it, false, w) }) } @@ -2185,14 +2261,18 @@ pub(super) fn full_path(cx: &Context<'_>, item: &clean::Item) -> String { s } -pub(super) fn item_path(ty: ItemType, name: &str) -> impl Display { +pub(super) fn print_item_path(ty: ItemType, name: &str) -> impl Display { fmt::from_fn(move |f| match ty { ItemType::Module => write!(f, "{}index.html", ensure_trailing_slash(name)), _ => write!(f, "{ty}.{name}.html"), }) } -fn bounds(bounds: &[clean::GenericBound], trait_alias: bool, cx: &Context<'_>) -> impl Display { +fn print_bounds( + bounds: &[clean::GenericBound], + trait_alias: bool, + cx: &Context<'_>, +) -> impl Display { (!bounds.is_empty()) .then_some(fmt::from_fn(move |f| { let has_lots_of_bounds = bounds.len() > 2; diff --git a/src/librustdoc/html/render/sidebar.rs b/src/librustdoc/html/render/sidebar.rs index cd0c9775f5c..91540e06e33 100644 --- a/src/librustdoc/html/render/sidebar.rs +++ b/src/librustdoc/html/render/sidebar.rs @@ -1,5 +1,6 @@ use std::borrow::Cow; use std::cmp::Ordering; +use std::fmt; use askama::Template; use rustc_data_structures::fx::FxHashSet; @@ -126,7 +127,7 @@ pub(crate) mod filters { use askama::filters::Safe; use crate::html::escape::EscapeBodyTextWithWbr; - pub(crate) fn wrapped<T>(v: T) -> askama::Result<Safe<impl Display>> + pub(crate) fn wrapped<T, V: askama::Values>(v: T, _: V) -> askama::Result<Safe<impl Display>> where T: Display, { @@ -135,7 +136,11 @@ pub(crate) mod filters { } } -pub(super) fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut String) { +pub(super) fn print_sidebar( + cx: &Context<'_>, + it: &clean::Item, + mut buffer: impl fmt::Write, +) -> fmt::Result { let mut ids = IdMap::new(); let mut blocks: Vec<LinkBlock<'_>> = docblock_toc(cx, it, &mut ids).into_iter().collect(); let deref_id_map = cx.deref_id_map.borrow(); @@ -195,7 +200,8 @@ pub(super) fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Str blocks, path, }; - sidebar.render_into(buffer).unwrap(); + sidebar.render_into(&mut buffer)?; + Ok(()) } fn get_struct_fields_name<'a>(fields: &'a [clean::Item]) -> Vec<Link<'a>> { @@ -593,7 +599,7 @@ fn sidebar_enum<'a>( deref_id_map: &'a DefIdMap<String>, ) { let mut variants = e - .variants() + .non_stripped_variants() .filter_map(|v| v.name) .map(|name| Link::new(format!("variant.{name}"), name.to_string())) .collect::<Vec<_>>(); diff --git a/src/librustdoc/html/render/write_shared.rs b/src/librustdoc/html/render/write_shared.rs index b2bbf4614bf..33738f7a242 100644 --- a/src/librustdoc/html/render/write_shared.rs +++ b/src/librustdoc/html/render/write_shared.rs @@ -607,68 +607,68 @@ impl TypeAliasPart { let cx = type_impl_collector.cx; let aliased_types = type_impl_collector.aliased_types; for aliased_type in aliased_types.values() { - let impls = aliased_type - .impl_ - .values() - .flat_map(|AliasedTypeImpl { impl_, type_aliases }| { - let mut ret = Vec::new(); - let trait_ = impl_ - .inner_impl() - .trait_ - .as_ref() - .map(|trait_| format!("{:#}", trait_.print(cx))); + let impls = aliased_type.impl_.values().filter_map( + |AliasedTypeImpl { impl_, type_aliases }| { + let mut ret: Option<AliasSerializableImpl> = None; // render_impl will filter out "impossible-to-call" methods // to make that functionality work here, it needs to be called with // each type alias, and if it gives a different result, split the impl for &(type_alias_fqp, type_alias_item) in type_aliases { cx.id_map.borrow_mut().clear(); cx.deref_id_map.borrow_mut().clear(); - let target_did = impl_ - .inner_impl() - .trait_ - .as_ref() - .map(|trait_| trait_.def_id()) - .or_else(|| impl_.inner_impl().for_.def_id(&cx.shared.cache)); - let provided_methods; - let assoc_link = if let Some(target_did) = target_did { - provided_methods = impl_.inner_impl().provided_trait_methods(cx.tcx()); - AssocItemLink::GotoSource(ItemId::DefId(target_did), &provided_methods) - } else { - AssocItemLink::Anchor(None) - }; - let text = super::render_impl( - cx, - impl_, - type_alias_item, - assoc_link, - RenderMode::Normal, - None, - &[], - ImplRenderingParameters { - show_def_docs: true, - show_default_items: true, - show_non_assoc_items: true, - toggle_open_by_default: true, - }, - ) - .to_string(); let type_alias_fqp = (*type_alias_fqp).iter().join("::"); - if Some(&text) == ret.last().map(|s: &AliasSerializableImpl| &s.text) { - ret.last_mut() - .expect("already established that ret.last() is Some()") - .aliases - .push(type_alias_fqp); + if let Some(ret) = &mut ret { + ret.aliases.push(type_alias_fqp); } else { - ret.push(AliasSerializableImpl { + let target_did = impl_ + .inner_impl() + .trait_ + .as_ref() + .map(|trait_| trait_.def_id()) + .or_else(|| impl_.inner_impl().for_.def_id(&cx.shared.cache)); + let provided_methods; + let assoc_link = if let Some(target_did) = target_did { + provided_methods = + impl_.inner_impl().provided_trait_methods(cx.tcx()); + AssocItemLink::GotoSource( + ItemId::DefId(target_did), + &provided_methods, + ) + } else { + AssocItemLink::Anchor(None) + }; + let text = super::render_impl( + cx, + impl_, + type_alias_item, + assoc_link, + RenderMode::Normal, + None, + &[], + ImplRenderingParameters { + show_def_docs: true, + show_default_items: true, + show_non_assoc_items: true, + toggle_open_by_default: true, + }, + ) + .to_string(); + // The alternate display prints it as plaintext instead of HTML. + let trait_ = impl_ + .inner_impl() + .trait_ + .as_ref() + .map(|trait_| format!("{:#}", trait_.print(cx))); + ret = Some(AliasSerializableImpl { text, - trait_: trait_.clone(), + trait_, aliases: vec![type_alias_fqp], }) } } ret - }) - .collect::<Vec<_>>(); + }, + ); let mut path = PathBuf::from("type.impl"); for component in &aliased_type.target_fqp[..aliased_type.target_fqp.len() - 1] { @@ -681,7 +681,7 @@ impl TypeAliasPart { )); let part = OrderedJson::array_sorted( - impls.iter().map(OrderedJson::serialize).collect::<Result<Vec<_>, _>>().unwrap(), + impls.map(|impl_| OrderedJson::serialize(impl_).unwrap()), ); path_parts.push(path, OrderedJson::array_unsorted([crate_name_json, &part])); } @@ -759,7 +759,7 @@ impl TraitAliasPart { Some(Implementor { text: imp.inner_impl().print(false, cx).to_string(), synthetic: imp.inner_impl().kind.is_auto(), - types: collect_paths_for_type(imp.inner_impl().for_.clone(), cache), + types: collect_paths_for_type(&imp.inner_impl().for_, cache), }) } }) diff --git a/src/librustdoc/html/sources.rs b/src/librustdoc/html/sources.rs index 095795c711d..1fa6b5a60f3 100644 --- a/src/librustdoc/html/sources.rs +++ b/src/librustdoc/html/sources.rs @@ -11,9 +11,8 @@ use rustc_session::Session; use rustc_span::{FileName, FileNameDisplayPreference, RealFileName, sym}; use tracing::info; -use super::highlight; -use super::layout::{self, BufDisplay}; use super::render::Context; +use super::{highlight, layout}; use crate::clean; use crate::clean::utils::has_doc_flag; use crate::docfs::PathError; @@ -243,16 +242,16 @@ impl SourceCollector<'_, '_> { &shared.layout, &page, "", - BufDisplay(|buf: &mut String| { + fmt::from_fn(|f| { print_src( - buf, + f, contents, file_span, self.cx, &root_path, &highlight::DecorationInfo::default(), &source_context, - ); + ) }), &shared.style_files, ); @@ -331,7 +330,7 @@ pub(crate) fn print_src( root_path: &str, decoration_info: &highlight::DecorationInfo, source_context: &SourceContext<'_>, -) { +) -> fmt::Result { let mut lines = s.lines().count(); let line_info = if let SourceContext::Embedded(info) = source_context { highlight::LineInfo::new_scraped(lines as u32, info.offset as u32) @@ -367,12 +366,10 @@ pub(crate) fn print_src( }, max_nb_digits, } - .render_into(&mut writer) - .unwrap(), + .render_into(&mut writer), SourceContext::Embedded(info) => { - ScrapedSource { info, code_html: code, max_nb_digits } - .render_into(&mut writer) - .unwrap(); + ScrapedSource { info, code_html: code, max_nb_digits }.render_into(&mut writer) } - }; + }?; + Ok(()) } diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index a81d5c9c49b..7be83b65fbf 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -2527,9 +2527,12 @@ in src-script.js and main.js z-index: 11; /* Reduce height slightly to account for mobile topbar. */ height: calc(100vh - 45px); - width: 200px; /* resize indicator: hide this when on touch or mobile */ border-right: none; + width: 100%; + } + .sidebar-elems .block li a { + white-space: wrap; } /* The source view uses a different design for the sidebar toggle, and doesn't have a topbar, diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js index a7ce2bf9048..7b1a61a3ffa 100644 --- a/src/librustdoc/html/static/js/main.js +++ b/src/librustdoc/html/static/js/main.js @@ -1179,8 +1179,10 @@ function preLoadCss(cssUrl) { onEachLazy(document.querySelectorAll(".toggle > summary:not(.hideme)"), el => { // @ts-expect-error + // Clicking on the summary's contents should not collapse it, + // but links within should still fire. el.addEventListener("click", e => { - if (e.target.tagName !== "SUMMARY" && e.target.tagName !== "A") { + if (!e.target.matches("summary, a, a *")) { e.preventDefault(); } }); diff --git a/src/librustdoc/html/templates/item_union.html b/src/librustdoc/html/templates/item_union.html index b1c1d5a63a0..b5d3367a6a1 100644 --- a/src/librustdoc/html/templates/item_union.html +++ b/src/librustdoc/html/templates/item_union.html @@ -2,15 +2,16 @@ {{ self.render_attributes_in_pre()|safe }} {{ self.render_union()|safe }} </code></pre> -{{ self.document()|safe }} -{% if self.fields_iter().peek().is_some() %} +{% if !self.is_type_alias %} + {{ self.document()|safe }} +{% endif %} +{% if self.fields_iter().next().is_some() %} <h2 id="fields" class="fields section-header"> {# #} Fields<a href="#fields" class="anchor">§</a> {# #} </h2> {% for (field, ty) in self.fields_iter() %} {% let name = field.name.expect("union field name") %} - <span id="structfield.{{ name }}" {#+ #} - class="{{ ItemType::StructField +}} section-header"> {# #} + <span id="structfield.{{ name }}" class="{{ ItemType::StructField +}} section-header"> {# #} <a href="#structfield.{{ name }}" class="anchor field">§</a> {# #} <code>{{ name }}: {{+ self.print_ty(ty)|safe }}</code> {# #} </span> diff --git a/src/librustdoc/html/tests.rs b/src/librustdoc/html/tests.rs index b568942bbcb..873462bbeba 100644 --- a/src/librustdoc/html/tests.rs +++ b/src/librustdoc/html/tests.rs @@ -1,51 +1,51 @@ -use rustc_span::{Symbol, sym}; +use rustc_span::{Symbol, create_default_session_globals_then, sym}; use crate::html::format::href_relative_parts; -fn assert_relative_path(expected: &[Symbol], relative_to_fqp: &[Symbol], fqp: &[Symbol]) { - // No `create_default_session_globals_then` call is needed here because all - // the symbols used are static, and no `Symbol::intern` calls occur. - assert_eq!(expected, href_relative_parts(&fqp, &relative_to_fqp).collect::<Vec<_>>()); +fn assert_relative_path(expected: &str, relative_to_fqp: &[Symbol], fqp: &[Symbol]) { + create_default_session_globals_then(|| { + assert_eq!(expected, href_relative_parts(&fqp, &relative_to_fqp).finish()); + }); } #[test] fn href_relative_parts_basic() { let relative_to_fqp = &[sym::std, sym::vec]; let fqp = &[sym::std, sym::iter]; - assert_relative_path(&[sym::dotdot, sym::iter], relative_to_fqp, fqp); + assert_relative_path("../iter", relative_to_fqp, fqp); } #[test] fn href_relative_parts_parent_module() { let relative_to_fqp = &[sym::std, sym::vec]; let fqp = &[sym::std]; - assert_relative_path(&[sym::dotdot], relative_to_fqp, fqp); + assert_relative_path("..", relative_to_fqp, fqp); } #[test] fn href_relative_parts_different_crate() { let relative_to_fqp = &[sym::std, sym::vec]; let fqp = &[sym::core, sym::iter]; - assert_relative_path(&[sym::dotdot, sym::dotdot, sym::core, sym::iter], relative_to_fqp, fqp); + assert_relative_path("../../core/iter", relative_to_fqp, fqp); } #[test] fn href_relative_parts_same_module() { let relative_to_fqp = &[sym::std, sym::vec]; let fqp = &[sym::std, sym::vec]; - assert_relative_path(&[], relative_to_fqp, fqp); + assert_relative_path("", relative_to_fqp, fqp); } #[test] fn href_relative_parts_child_module() { let relative_to_fqp = &[sym::std]; let fqp = &[sym::std, sym::vec]; - assert_relative_path(&[sym::vec], relative_to_fqp, fqp); + assert_relative_path("vec", relative_to_fqp, fqp); } #[test] fn href_relative_parts_root() { let relative_to_fqp = &[]; let fqp = &[sym::std]; - assert_relative_path(&[sym::std], relative_to_fqp, fqp); + assert_relative_path("std", relative_to_fqp, fqp); } diff --git a/src/librustdoc/html/url_parts_builder.rs b/src/librustdoc/html/url_parts_builder.rs index 1e6af6af63c..9a533827441 100644 --- a/src/librustdoc/html/url_parts_builder.rs +++ b/src/librustdoc/html/url_parts_builder.rs @@ -14,7 +14,6 @@ pub(crate) struct UrlPartsBuilder { impl UrlPartsBuilder { /// Create an empty buffer. - #[allow(dead_code)] pub(crate) fn new() -> Self { Self { buf: String::new() } } diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index f446c9fbbd8..bfcb794b89a 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -6,7 +6,7 @@ use rustc_abi::ExternAbi; use rustc_ast::ast; -use rustc_attr_parsing::DeprecatedSince; +use rustc_attr_data_structures::{self as attrs, DeprecatedSince}; use rustc_hir::def::CtorKind; use rustc_hir::def_id::DefId; use rustc_metadata::rendered_const; @@ -40,7 +40,7 @@ impl JsonRenderer<'_> { }) .collect(); let docs = item.opt_doc_value(); - let attrs = item.attributes(self.tcx, self.cache(), true); + let attrs = item.attributes_and_repr(self.tcx, self.cache(), true); let span = item.span(self.tcx); let visibility = item.visibility(self.tcx); let clean::ItemInner { name, item_id, .. } = *item.inner; @@ -153,8 +153,8 @@ where } } -pub(crate) fn from_deprecation(deprecation: rustc_attr_parsing::Deprecation) -> Deprecation { - let rustc_attr_parsing::Deprecation { since, note, suggestion: _ } = deprecation; +pub(crate) fn from_deprecation(deprecation: attrs::Deprecation) -> Deprecation { + let attrs::Deprecation { since, note, suggestion: _ } = deprecation; let since = match since { DeprecatedSince::RustcVersion(version) => Some(version.to_string()), DeprecatedSince::Future => Some("TBD".to_owned()), diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index b4210e7b518..025c135aff2 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -3,6 +3,8 @@ html_playground_url = "https://play.rust-lang.org/" )] #![feature(rustc_private)] +#![feature(ascii_char)] +#![feature(ascii_char_variants)] #![feature(assert_matches)] #![feature(box_patterns)] #![feature(debug_closure_helpers)] @@ -11,7 +13,6 @@ #![feature(if_let_guard)] #![feature(impl_trait_in_assoc_type)] #![feature(iter_intersperse)] -#![feature(let_chains)] #![feature(never_type)] #![feature(round_char_boundary)] #![feature(test)] @@ -37,6 +38,7 @@ extern crate pulldown_cmark; extern crate rustc_abi; extern crate rustc_ast; extern crate rustc_ast_pretty; +extern crate rustc_attr_data_structures; extern crate rustc_attr_parsing; extern crate rustc_data_structures; extern crate rustc_driver; diff --git a/src/librustdoc/passes/calculate_doc_coverage.rs b/src/librustdoc/passes/calculate_doc_coverage.rs index c9f0baaaa4c..66d8b667a4c 100644 --- a/src/librustdoc/passes/calculate_doc_coverage.rs +++ b/src/librustdoc/passes/calculate_doc_coverage.rs @@ -241,7 +241,7 @@ impl DocVisitor<'_> for CoverageCalculator<'_, '_> { data: hir::VariantData::Tuple(_, _, _), .. }) | hir::Node::Item(hir::Item { - kind: hir::ItemKind::Struct(_, hir::VariantData::Tuple(_, _, _), _), + kind: hir::ItemKind::Struct(_, _, hir::VariantData::Tuple(_, _, _)), .. }) ) diff --git a/src/librustdoc/passes/check_doc_cfg.rs b/src/librustdoc/passes/check_doc_cfg.rs new file mode 100644 index 00000000000..3284da77a02 --- /dev/null +++ b/src/librustdoc/passes/check_doc_cfg.rs @@ -0,0 +1,76 @@ +use rustc_hir::HirId; +use rustc_hir::def_id::LocalDefId; +use rustc_middle::ty::TyCtxt; +use rustc_span::sym; + +use super::Pass; +use crate::clean::{Attributes, Crate, Item}; +use crate::core::DocContext; +use crate::visit::DocVisitor; + +pub(crate) const CHECK_DOC_CFG: Pass = Pass { + name: "check-doc-cfg", + run: Some(check_doc_cfg), + description: "checks `#[doc(cfg(...))]` for stability feature and unexpected cfgs", +}; + +pub(crate) fn check_doc_cfg(krate: Crate, cx: &mut DocContext<'_>) -> Crate { + let mut checker = DocCfgChecker { cx }; + checker.visit_crate(&krate); + krate +} + +struct RustdocCfgMatchesLintEmitter<'a>(TyCtxt<'a>, HirId); + +impl<'a> rustc_attr_parsing::CfgMatchesLintEmitter for RustdocCfgMatchesLintEmitter<'a> { + fn emit_span_lint( + &self, + sess: &rustc_session::Session, + lint: &'static rustc_lint::Lint, + sp: rustc_span::Span, + builtin_diag: rustc_lint_defs::BuiltinLintDiag, + ) { + self.0.node_span_lint(lint, self.1, sp, |diag| { + rustc_lint::decorate_builtin_lint(sess, Some(self.0), builtin_diag, diag) + }); + } +} + +struct DocCfgChecker<'a, 'tcx> { + cx: &'a mut DocContext<'tcx>, +} + +impl DocCfgChecker<'_, '_> { + fn check_attrs(&mut self, attrs: &Attributes, did: LocalDefId) { + let doc_cfgs = attrs + .other_attrs + .iter() + .filter(|attr| attr.has_name(sym::doc)) + .flat_map(|attr| attr.meta_item_list().unwrap_or_default()) + .filter(|attr| attr.has_name(sym::cfg)); + + for doc_cfg in doc_cfgs { + if let Some([cfg_mi]) = doc_cfg.meta_item_list() { + let _ = rustc_attr_parsing::cfg_matches( + cfg_mi, + &self.cx.tcx.sess, + RustdocCfgMatchesLintEmitter( + self.cx.tcx, + self.cx.tcx.local_def_id_to_hir_id(did), + ), + Some(self.cx.tcx.features()), + ); + } + } + } +} + +impl DocVisitor<'_> for DocCfgChecker<'_, '_> { + fn visit_item(&mut self, item: &'_ Item) { + if let Some(Some(local_did)) = item.def_id().map(|did| did.as_local()) { + self.check_attrs(&item.attrs, local_did); + } + + self.visit_item_recur(item); + } +} diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index f3e2138d1a5..1daaba3b86c 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -22,6 +22,7 @@ use rustc_resolve::rustdoc::{ MalformedGenerics, has_primitive_or_keyword_docs, prepare_to_doc_link_resolution, source_span_for_markdown_range, strip_generics_from_path, }; +use rustc_session::config::CrateType; use rustc_session::lint::Lint; use rustc_span::BytePos; use rustc_span::hygiene::MacroKind; @@ -59,12 +60,7 @@ fn filter_assoc_items_by_name_and_namespace( ident: Ident, ns: Namespace, ) -> impl Iterator<Item = &ty::AssocItem> { - let iter: Box<dyn Iterator<Item = &ty::AssocItem>> = if !ident.name.is_empty() { - Box::new(tcx.associated_items(assoc_items_of).filter_by_name_unhygienic(ident.name)) - } else { - Box::new([].iter()) - }; - iter.filter(move |item| { + tcx.associated_items(assoc_items_of).filter_by_name_unhygienic(ident.name).filter(move |item| { item.namespace() == ns && tcx.hygienic_eq(ident, item.ident(tcx), assoc_items_of) }) } @@ -1174,7 +1170,6 @@ impl LinkCollector<'_, '_> { #[allow(rustc::potential_query_instability)] pub(crate) fn resolve_ambiguities(&mut self) { let mut ambiguous_links = mem::take(&mut self.ambiguous_links); - for ((item_id, path_str), info_items) in ambiguous_links.iter_mut() { for info in info_items { info.resolved.retain(|(res, _)| match res { @@ -2232,15 +2227,35 @@ fn ambiguity_error( emit_error: bool, ) -> bool { let mut descrs = FxHashSet::default(); - let kinds = candidates + // proc macro can exist in multiple namespaces at once, so we need to compare `DefIds` + // to remove the candidate in the fn namespace. + let mut possible_proc_macro_id = None; + let is_proc_macro_crate = cx.tcx.crate_types() == &[CrateType::ProcMacro]; + let mut kinds = candidates .iter() - .map( - |(res, def_id)| { - if let Some(def_id) = def_id { Res::from_def_id(cx.tcx, *def_id) } else { *res } - }, - ) - .filter(|res| descrs.insert(res.descr())) + .map(|(res, def_id)| { + let r = + if let Some(def_id) = def_id { Res::from_def_id(cx.tcx, *def_id) } else { *res }; + if is_proc_macro_crate && let Res::Def(DefKind::Macro(_), id) = r { + possible_proc_macro_id = Some(id); + } + r + }) .collect::<Vec<_>>(); + // In order to properly dedup proc macros, we have to do it in two passes: + // 1. Completing the full traversal to find the possible duplicate in the macro namespace, + // 2. Another full traversal to eliminate the candidate in the fn namespace. + // + // Thus, we have to do an iteration after collection is finished. + // + // As an optimization, we only deduplicate if we're in a proc-macro crate, + // and only if we already found something that looks like a proc macro. + if is_proc_macro_crate && let Some(macro_id) = possible_proc_macro_id { + kinds.retain(|res| !matches!(res, Res::Def(DefKind::Fn, fn_id) if macro_id == *fn_id)); + } + + kinds.retain(|res| descrs.insert(res.descr())); + if descrs.len() == 1 { // There is no way for users to disambiguate at this point, so better return the first // candidate and not show a warning. diff --git a/src/librustdoc/passes/lint/bare_urls.rs b/src/librustdoc/passes/lint/bare_urls.rs index 1e07277d38e..3b3ce3e9220 100644 --- a/src/librustdoc/passes/lint/bare_urls.rs +++ b/src/librustdoc/passes/lint/bare_urls.rs @@ -18,12 +18,15 @@ use crate::html::markdown::main_body_opts; pub(super) fn visit_item(cx: &DocContext<'_>, item: &Item, hir_id: HirId, dox: &str) { let report_diag = |cx: &DocContext<'_>, msg: &'static str, range: Range<usize>| { - let sp = source_span_for_markdown_range(cx.tcx, dox, &range, &item.attrs.doc_strings) - .unwrap_or_else(|| item.attr_span(cx.tcx)); + let maybe_sp = source_span_for_markdown_range(cx.tcx, dox, &range, &item.attrs.doc_strings); + let sp = maybe_sp.unwrap_or_else(|| item.attr_span(cx.tcx)); cx.tcx.node_span_lint(crate::lint::BARE_URLS, hir_id, sp, |lint| { lint.primary_message(msg) - .note("bare URLs are not automatically turned into clickable links") - .multipart_suggestion( + .note("bare URLs are not automatically turned into clickable links"); + // The fallback of using the attribute span is suitable for + // highlighting where the error is, but not for placing the < and > + if let Some(sp) = maybe_sp { + lint.multipart_suggestion( "use an automatic link instead", vec![ (sp.shrink_to_lo(), "<".to_string()), @@ -31,6 +34,7 @@ pub(super) fn visit_item(cx: &DocContext<'_>, item: &Item, hir_id: HirId, dox: & ], Applicability::MachineApplicable, ); + } }); }; diff --git a/src/librustdoc/passes/mod.rs b/src/librustdoc/passes/mod.rs index 9ba63d34144..475d05b7d0e 100644 --- a/src/librustdoc/passes/mod.rs +++ b/src/librustdoc/passes/mod.rs @@ -32,6 +32,9 @@ pub(crate) use self::collect_intra_doc_links::COLLECT_INTRA_DOC_LINKS; mod check_doc_test_visibility; pub(crate) use self::check_doc_test_visibility::CHECK_DOC_TEST_VISIBILITY; +mod check_doc_cfg; +pub(crate) use self::check_doc_cfg::CHECK_DOC_CFG; + mod collect_trait_impls; pub(crate) use self::collect_trait_impls::COLLECT_TRAIT_IMPLS; @@ -72,6 +75,7 @@ pub(crate) enum Condition { /// The full list of passes. pub(crate) const PASSES: &[Pass] = &[ + CHECK_DOC_CFG, CHECK_DOC_TEST_VISIBILITY, STRIP_ALIASED_NON_LOCAL, STRIP_HIDDEN, @@ -89,6 +93,7 @@ pub(crate) const PASSES: &[Pass] = &[ pub(crate) const DEFAULT_PASSES: &[ConditionalPass] = &[ ConditionalPass::always(COLLECT_TRAIT_IMPLS), ConditionalPass::always(CHECK_DOC_TEST_VISIBILITY), + ConditionalPass::always(CHECK_DOC_CFG), ConditionalPass::always(STRIP_ALIASED_NON_LOCAL), ConditionalPass::new(STRIP_HIDDEN, WhenNotDocumentHidden), ConditionalPass::new(STRIP_PRIVATE, WhenNotDocumentPrivate), diff --git a/src/librustdoc/passes/propagate_stability.rs b/src/librustdoc/passes/propagate_stability.rs index fdab2b08779..7b3da8d7c0f 100644 --- a/src/librustdoc/passes/propagate_stability.rs +++ b/src/librustdoc/passes/propagate_stability.rs @@ -6,7 +6,7 @@ //! [`core::error`] module is marked as stable since 1.81.0, so we want to show //! [`core::error::Error`] as stable since 1.81.0 as well. -use rustc_attr_parsing::{Stability, StabilityLevel}; +use rustc_attr_data_structures::{Stability, StabilityLevel}; use rustc_hir::def_id::CRATE_DEF_ID; use crate::clean::{Crate, Item, ItemId, ItemKind}; diff --git a/src/llvm-project b/src/llvm-project -Subproject 8448283b4bd34ea00d76fd4f18ec730b549d6e1 +Subproject c1118fdbb3024157df7f4cfe765f2b0b4339e8a diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs index 64223b5b758..c091c955ed5 100644 --- a/src/rustdoc-json-types/lib.rs +++ b/src/rustdoc-json-types/lib.rs @@ -30,7 +30,7 @@ pub type FxHashMap<K, V> = HashMap<K, V>; // re-export for use in src/librustdoc /// This integer is incremented with every breaking change to the API, /// and is returned along with the JSON blob as [`Crate::format_version`]. /// Consuming code should assert that this value matches the format version(s) that it supports. -pub const FORMAT_VERSION: u32 = 45; +pub const FORMAT_VERSION: u32 = 46; /// The root of the emitted JSON blob. /// @@ -180,19 +180,13 @@ pub struct Item { /// /// Does not include `#[deprecated]` attributes: see the [`Self::deprecation`] field instead. /// - /// Some attributes appear in pretty-printed Rust form, regardless of their formatting + /// Attributes appear in pretty-printed Rust form, regardless of their formatting /// in the original source code. For example: /// - `#[non_exhaustive]` and `#[must_use]` are represented as themselves. /// - `#[no_mangle]` and `#[export_name]` are also represented as themselves. /// - `#[repr(C)]` and other reprs also appear as themselves, /// though potentially with a different order: e.g. `repr(i8, C)` may become `repr(C, i8)`. /// Multiple repr attributes on the same item may be combined into an equivalent single attr. - /// - /// Other attributes may appear debug-printed. For example: - /// - `#[inline]` becomes something similar to `#[attr="Inline(Hint)"]`. - /// - /// As an internal implementation detail subject to change, this debug-printing format - /// is currently equivalent to the HIR pretty-printing of parsed attributes. pub attrs: Vec<String>, /// Information about the item’s deprecation, if present. pub deprecation: Option<Deprecation>, diff --git a/src/stage0 b/src/stage0 index 8ca6860490c..4cff7bafa5d 100644 --- a/src/stage0 +++ b/src/stage0 @@ -13,466 +13,466 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2025-05-12 +compiler_date=2025-05-26 compiler_version=beta -rustfmt_date=2025-05-12 +rustfmt_date=2025-05-27 rustfmt_version=nightly -dist/2025-05-12/rustc-beta-aarch64-apple-darwin.tar.gz=e5ec8453efc1f51d37d5031d87d45a327647614b00993d1b7f477c7d2e6c7b16 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28147dfbea3..3a98217f625 100644 --- a/src/tools/clippy/CHANGELOG.md +++ b/src/tools/clippy/CHANGELOG.md @@ -6440,6 +6440,7 @@ Released 2018-09-13 [`used_underscore_items`]: https://rust-lang.github.io/rust-clippy/master/index.html#used_underscore_items [`useless_asref`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref [`useless_attribute`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute +[`useless_concat`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_concat [`useless_conversion`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion [`useless_format`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_format [`useless_let_if_seq`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq diff --git a/src/tools/clippy/CONTRIBUTING.md b/src/tools/clippy/CONTRIBUTING.md index 45ba2f078be..72ab08792d3 100644 --- a/src/tools/clippy/CONTRIBUTING.md +++ b/src/tools/clippy/CONTRIBUTING.md @@ -51,7 +51,7 @@ Clippy team directly by mentioning them in the issue or over on [Zulip]. All currently active team members can be found [here](https://github.com/rust-lang/rust-clippy/blob/master/triagebot.toml#L18) -Some issues are easier than others. The [`good-first-issue`] label can be used to find the easy +Some issues are easier than others. The [`good first issue`] label can be used to find the easy issues. You can use `@rustbot claim` to assign the issue to yourself. There are also some abandoned PRs, marked with [`S-inactive-closed`]. @@ -70,7 +70,7 @@ To figure out how this syntax structure is encoded in the AST, it is recommended Usually the lint will end up to be a nested series of matches and ifs, [like so][deep-nesting]. But we can make it nest-less by using [let chains], [like this][nest-less]. -[`E-medium`] issues are generally pretty easy too, though it's recommended you work on an [`good-first-issue`] +[`E-medium`] issues are generally pretty easy too, though it's recommended you work on an [`good first issue`] first. Sometimes they are only somewhat involved code wise, but not difficult per-se. Note that [`E-medium`] issues may require some knowledge of Clippy internals or some debugging to find the actual problem behind the issue. @@ -79,7 +79,7 @@ debugging to find the actual problem behind the issue. lot of methods that are useful, though one of the most useful would be `expr_ty` (gives the type of an AST expression). -[`good-first-issue`]: https://github.com/rust-lang/rust-clippy/labels/good-first-issue +[`good first issue`]: https://github.com/rust-lang/rust-clippy/labels/good%20first%20issue [`S-inactive-closed`]: https://github.com/rust-lang/rust-clippy/pulls?q=is%3Aclosed+label%3AS-inactive-closed [`T-AST`]: https://github.com/rust-lang/rust-clippy/labels/T-AST [`T-middle`]: https://github.com/rust-lang/rust-clippy/labels/T-middle diff --git a/src/tools/clippy/Cargo.toml b/src/tools/clippy/Cargo.toml index c7c06afb612..3a76c61489e 100644 --- a/src/tools/clippy/Cargo.toml +++ b/src/tools/clippy/Cargo.toml @@ -1,8 +1,6 @@ [package] name = "clippy" -# begin autogenerated version version = "0.1.89" -# end autogenerated version description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" @@ -44,7 +42,7 @@ walkdir = "2.3" filetime = "0.2.9" itertools = "0.12" pulldown-cmark = { version = "0.11", default-features = false, features = ["html"] } -askama = { version = "0.13", default-features = false, features = ["alloc", "config", "derive"] } +askama = { version = "0.14", default-features = false, features = ["alloc", "config", "derive"] } # UI test dependencies if_chain = "1.0" diff --git a/src/tools/clippy/book/src/development/basics.md b/src/tools/clippy/book/src/development/basics.md index cdbbe76bdb0..fc405249bcf 100644 --- a/src/tools/clippy/book/src/development/basics.md +++ b/src/tools/clippy/book/src/development/basics.md @@ -151,7 +151,7 @@ toolchain called `clippy` by default, see `cargo dev setup toolchain --help` for other options. ```terminal -cargo dev setup toolcahin +cargo dev setup toolchain ``` Now you may run `cargo +clippy clippy` in any project using the new toolchain. diff --git a/src/tools/clippy/book/src/development/the_team.md b/src/tools/clippy/book/src/development/the_team.md index da5d084ed97..d2212323186 100644 --- a/src/tools/clippy/book/src/development/the_team.md +++ b/src/tools/clippy/book/src/development/the_team.md @@ -33,7 +33,7 @@ this group to help with triaging, which can include: 1. **Labeling issues** - For the `good-first-issue` label, it can still be good to use `@rustbot` to + For the `good first issue` label, it can still be good to use `@rustbot` to subscribe to the issue and help interested parties, if they post questions in the comments. diff --git a/src/tools/clippy/book/src/development/trait_checking.md b/src/tools/clippy/book/src/development/trait_checking.md index cc4eb966f59..6d01496eebe 100644 --- a/src/tools/clippy/book/src/development/trait_checking.md +++ b/src/tools/clippy/book/src/development/trait_checking.md @@ -17,7 +17,7 @@ providing the `LateContext` (`cx`), our expression at hand, and the symbol of the trait in question: ```rust -use clippy_utils::is_trait_method; +use clippy_utils::ty::implements_trait; use rustc_hir::Expr; use rustc_lint::{LateContext, LateLintPass}; use rustc_span::symbol::sym; @@ -25,7 +25,7 @@ use rustc_span::symbol::sym; impl LateLintPass<'_> for CheckIteratorTraitLint { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { let implements_iterator = cx.tcx.get_diagnostic_item(sym::Iterator).map_or(false, |id| { - implements_trait(cx, cx.typeck_results().expr_ty(arg), id, &[]) + implements_trait(cx, cx.typeck_results().expr_ty(expr), id, &[]) }); if implements_iterator { // [...] diff --git a/src/tools/clippy/book/src/lint_configuration.md b/src/tools/clippy/book/src/lint_configuration.md index 0db4182dbcd..7c850b4b023 100644 --- a/src/tools/clippy/book/src/lint_configuration.md +++ b/src/tools/clippy/book/src/lint_configuration.md @@ -836,6 +836,7 @@ The minimum rust version that the project supports. Defaults to the `rust-versio * [`manual_repeat_n`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_repeat_n) * [`manual_retain`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_retain) * [`manual_slice_fill`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_fill) +* [`manual_slice_size_calculation`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_slice_size_calculation) * [`manual_split_once`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_split_once) * [`manual_str_repeat`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_str_repeat) * [`manual_strip`](https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip) @@ -1025,7 +1026,7 @@ The order of associated items in traits. The maximum size (in bytes) to consider a `Copy` type for passing by value instead of by reference. -**Default Value:** `target_pointer_width * 2` +**Default Value:** `target_pointer_width` --- **Affected lints:** diff --git a/src/tools/clippy/clippy_config/Cargo.toml b/src/tools/clippy/clippy_config/Cargo.toml index 1134b0e97af..0606245f990 100644 --- a/src/tools/clippy/clippy_config/Cargo.toml +++ b/src/tools/clippy/clippy_config/Cargo.toml @@ -1,8 +1,6 @@ [package] name = "clippy_config" -# begin autogenerated version version = "0.1.89" -# end autogenerated version edition = "2024" publish = false diff --git a/src/tools/clippy/clippy_config/src/conf.rs b/src/tools/clippy/clippy_config/src/conf.rs index ad0aea39d41..87158cec42b 100644 --- a/src/tools/clippy/clippy_config/src/conf.rs +++ b/src/tools/clippy/clippy_config/src/conf.rs @@ -739,6 +739,7 @@ define_Conf! { manual_repeat_n, manual_retain, manual_slice_fill, + manual_slice_size_calculation, manual_split_once, manual_str_repeat, manual_strip, @@ -827,7 +828,7 @@ define_Conf! { trait_assoc_item_kinds_order: SourceItemOrderingTraitAssocItemKinds = DEFAULT_TRAIT_ASSOC_ITEM_KINDS_ORDER.into(), /// The maximum size (in bytes) to consider a `Copy` type for passing by value instead of by /// reference. - #[default_text = "target_pointer_width * 2"] + #[default_text = "target_pointer_width"] #[lints(trivially_copy_pass_by_ref)] trivial_copy_size_limit: Option<u64> = None, /// The maximum complexity a type can have diff --git a/src/tools/clippy/clippy_dev/Cargo.toml b/src/tools/clippy/clippy_dev/Cargo.toml index 47b7b375861..10c08dba50b 100644 --- a/src/tools/clippy/clippy_dev/Cargo.toml +++ b/src/tools/clippy/clippy_dev/Cargo.toml @@ -5,13 +5,11 @@ version = "0.0.1" edition = "2024" [dependencies] -aho-corasick = "1.0" chrono = { version = "0.4.38", default-features = false, features = ["clock"] } clap = { version = "4.4", features = ["derive"] } indoc = "1.0" itertools = "0.12" opener = "0.7" -shell-escape = "0.1" walkdir = "2.3" [package.metadata.rust-analyzer] diff --git a/src/tools/clippy/clippy_dev/src/deprecate_lint.rs b/src/tools/clippy/clippy_dev/src/deprecate_lint.rs index bf0e7771046..3bdc5b27723 100644 --- a/src/tools/clippy/clippy_dev/src/deprecate_lint.rs +++ b/src/tools/clippy/clippy_dev/src/deprecate_lint.rs @@ -1,6 +1,4 @@ -use crate::update_lints::{ - DeprecatedLint, DeprecatedLints, Lint, find_lint_decls, generate_lint_files, read_deprecated_lints, -}; +use crate::update_lints::{DeprecatedLint, Lint, find_lint_decls, generate_lint_files, read_deprecated_lints}; use crate::utils::{UpdateMode, Version}; use std::ffi::OsStr; use std::path::{Path, PathBuf}; @@ -16,28 +14,34 @@ use std::{fs, io}; /// /// If a file path could not read from or written to pub fn deprecate(clippy_version: Version, name: &str, reason: &str) { - let prefixed_name = if name.starts_with("clippy::") { - name.to_owned() - } else { - format!("clippy::{name}") - }; - let stripped_name = &prefixed_name[8..]; + if let Some((prefix, _)) = name.split_once("::") { + panic!("`{name}` should not contain the `{prefix}` prefix"); + } let mut lints = find_lint_decls(); - let DeprecatedLints { - renamed: renamed_lints, - deprecated: mut deprecated_lints, - file: mut deprecated_file, - contents: mut deprecated_contents, - deprecated_end, - .. - } = read_deprecated_lints(); - - let Some(lint) = lints.iter().find(|l| l.name == stripped_name) else { + let (mut deprecated_lints, renamed_lints) = read_deprecated_lints(); + + let Some(lint) = lints.iter().find(|l| l.name == name) else { eprintln!("error: failed to find lint `{name}`"); return; }; + let prefixed_name = String::from_iter(["clippy::", name]); + match deprecated_lints.binary_search_by(|x| x.name.cmp(&prefixed_name)) { + Ok(_) => { + println!("`{name}` is already deprecated"); + return; + }, + Err(idx) => deprecated_lints.insert( + idx, + DeprecatedLint { + name: prefixed_name, + reason: reason.into(), + version: clippy_version.rust_display().to_string(), + }, + ), + } + let mod_path = { let mut mod_path = PathBuf::from(format!("clippy_lints/src/{}", lint.module)); if mod_path.is_dir() { @@ -48,24 +52,7 @@ pub fn deprecate(clippy_version: Version, name: &str, reason: &str) { mod_path }; - if remove_lint_declaration(stripped_name, &mod_path, &mut lints).unwrap_or(false) { - deprecated_contents.insert_str( - deprecated_end as usize, - &format!( - " #[clippy::version = \"{}\"]\n (\"{}\", \"{}\"),\n", - clippy_version.rust_display(), - prefixed_name, - reason, - ), - ); - deprecated_file.replace_contents(deprecated_contents.as_bytes()); - drop(deprecated_file); - - deprecated_lints.push(DeprecatedLint { - name: prefixed_name, - reason: reason.into(), - }); - + if remove_lint_declaration(name, &mod_path, &mut lints).unwrap_or(false) { generate_lint_files(UpdateMode::Change, &lints, &deprecated_lints, &renamed_lints); println!("info: `{name}` has successfully been deprecated"); println!("note: you must run `cargo uitest` to update the test results"); diff --git a/src/tools/clippy/clippy_dev/src/fmt.rs b/src/tools/clippy/clippy_dev/src/fmt.rs index b4c13213f55..c1b6b370706 100644 --- a/src/tools/clippy/clippy_dev/src/fmt.rs +++ b/src/tools/clippy/clippy_dev/src/fmt.rs @@ -1,19 +1,18 @@ +use crate::utils::{ + ErrAction, FileUpdater, UpdateMode, UpdateStatus, expect_action, run_with_output, split_args_for_threads, + walk_dir_no_dot_or_target, +}; use itertools::Itertools; use rustc_lexer::{TokenKind, tokenize}; -use shell_escape::escape; -use std::ffi::{OsStr, OsString}; +use std::fmt::Write; +use std::fs; +use std::io::{self, Read}; use std::ops::ControlFlow; -use std::path::{Path, PathBuf}; +use std::path::PathBuf; use std::process::{self, Command, Stdio}; -use std::{fs, io}; -use walkdir::WalkDir; pub enum Error { - CommandFailed(String, String), Io(io::Error), - RustfmtNotInstalled, - WalkDir(walkdir::Error), - IntellijSetupActive, Parse(PathBuf, usize, String), CheckFailed, } @@ -24,37 +23,15 @@ impl From<io::Error> for Error { } } -impl From<walkdir::Error> for Error { - fn from(error: walkdir::Error) -> Self { - Self::WalkDir(error) - } -} - impl Error { fn display(&self) { match self { Self::CheckFailed => { eprintln!("Formatting check failed!\nRun `cargo dev fmt` to update."); }, - Self::CommandFailed(command, stderr) => { - eprintln!("error: command `{command}` failed!\nstderr: {stderr}"); - }, Self::Io(err) => { eprintln!("error: {err}"); }, - Self::RustfmtNotInstalled => { - eprintln!("error: rustfmt nightly is not installed."); - }, - Self::WalkDir(err) => { - eprintln!("error: {err}"); - }, - Self::IntellijSetupActive => { - eprintln!( - "error: a local rustc repo is enabled as path dependency via `cargo dev setup intellij`.\n\ - Not formatting because that would format the local repo as well!\n\ - Please revert the changes to `Cargo.toml`s with `cargo dev remove intellij`." - ); - }, Self::Parse(path, line, msg) => { eprintln!("error parsing `{}:{line}`: {msg}", path.display()); }, @@ -62,12 +39,6 @@ impl Error { } } -struct FmtContext { - check: bool, - verbose: bool, - rustfmt_path: String, -} - struct ClippyConf<'a> { name: &'a str, attrs: &'a str, @@ -257,155 +228,108 @@ fn fmt_conf(check: bool) -> Result<(), Error> { Ok(()) } -fn run_rustfmt(context: &FmtContext) -> Result<(), Error> { - // if we added a local rustc repo as path dependency to clippy for rust analyzer, we do NOT want to - // format because rustfmt would also format the entire rustc repo as it is a local - // dependency - if fs::read_to_string("Cargo.toml") - .expect("Failed to read clippy Cargo.toml") - .contains("[target.'cfg(NOT_A_PLATFORM)'.dependencies]") - { - return Err(Error::IntellijSetupActive); - } - - check_for_rustfmt(context)?; - - cargo_fmt(context, ".".as_ref())?; - cargo_fmt(context, "clippy_dev".as_ref())?; - cargo_fmt(context, "rustc_tools_util".as_ref())?; - cargo_fmt(context, "lintcheck".as_ref())?; - - let chunks = WalkDir::new("tests") - .into_iter() - .filter_map(|entry| { - let entry = entry.expect("failed to find tests"); - let path = entry.path(); - if path.extension() != Some("rs".as_ref()) - || path - .components() - .nth_back(1) - .is_some_and(|c| c.as_os_str() == "syntax-error-recovery") - || entry.file_name() == "ice-3891.rs" - { - None +/// Format the symbols list +fn fmt_syms(update_mode: UpdateMode) { + FileUpdater::default().update_file_checked( + "cargo dev fmt", + update_mode, + "clippy_utils/src/sym.rs", + &mut |_, text: &str, new_text: &mut String| { + let (pre, conf) = text.split_once("generate! {\n").expect("can't find generate! call"); + let (conf, post) = conf.split_once("\n}\n").expect("can't find end of generate! call"); + let mut lines = conf + .lines() + .map(|line| { + let line = line.trim(); + line.strip_suffix(',').unwrap_or(line).trim_end() + }) + .collect::<Vec<_>>(); + lines.sort_unstable(); + write!( + new_text, + "{pre}generate! {{\n {},\n}}\n{post}", + lines.join(",\n "), + ) + .unwrap(); + if text == new_text { + UpdateStatus::Unchanged } else { - Some(entry.into_path().into_os_string()) + UpdateStatus::Changed } - }) - .chunks(250); - - for chunk in &chunks { - rustfmt(context, chunk)?; - } - Ok(()) + }, + ); } -// the "main" function of cargo dev fmt -pub fn run(check: bool, verbose: bool) { - let output = Command::new("rustup") - .args(["which", "rustfmt"]) - .stderr(Stdio::inherit()) - .output() - .expect("error running `rustup which rustfmt`"); - if !output.status.success() { - eprintln!("`rustup which rustfmt` did not execute successfully"); - process::exit(1); - } - let mut rustfmt_path = String::from_utf8(output.stdout).expect("invalid rustfmt path"); +fn run_rustfmt(update_mode: UpdateMode) { + let mut rustfmt_path = String::from_utf8(run_with_output( + "rustup which rustfmt", + Command::new("rustup").args(["which", "rustfmt"]), + )) + .expect("invalid rustfmt path"); rustfmt_path.truncate(rustfmt_path.trim_end().len()); - let context = FmtContext { - check, - verbose, - rustfmt_path, - }; - if let Err(e) = run_rustfmt(&context).and_then(|()| fmt_conf(check)) { - e.display(); - process::exit(1); - } -} - -fn format_command(program: impl AsRef<OsStr>, dir: impl AsRef<Path>, args: &[impl AsRef<OsStr>]) -> String { - let arg_display: Vec<_> = args.iter().map(|a| escape(a.as_ref().to_string_lossy())).collect(); - - format!( - "cd {} && {} {}", - escape(dir.as_ref().to_string_lossy()), - escape(program.as_ref().to_string_lossy()), - arg_display.join(" ") - ) -} - -fn exec_fmt_command( - context: &FmtContext, - program: impl AsRef<OsStr>, - dir: impl AsRef<Path>, - args: &[impl AsRef<OsStr>], -) -> Result<(), Error> { - if context.verbose { - println!("{}", format_command(&program, &dir, args)); - } - - let output = Command::new(&program) - .env("RUSTFMT", &context.rustfmt_path) - .current_dir(&dir) - .args(args.iter()) - .output() - .unwrap(); - let success = output.status.success(); - - match (context.check, success) { - (_, true) => Ok(()), - (true, false) => Err(Error::CheckFailed), - (false, false) => { - let stderr = std::str::from_utf8(&output.stderr).unwrap_or(""); - Err(Error::CommandFailed( - format_command(&program, &dir, args), - String::from(stderr), - )) + let args: Vec<_> = walk_dir_no_dot_or_target() + .filter_map(|e| { + let e = expect_action(e, ErrAction::Read, "."); + e.path() + .as_os_str() + .as_encoded_bytes() + .ends_with(b".rs") + .then(|| e.into_path().into_os_string()) + }) + .collect(); + + let mut children: Vec<_> = split_args_for_threads( + 32, + || { + let mut cmd = Command::new(&rustfmt_path); + if update_mode.is_check() { + cmd.arg("--check"); + } + cmd.stdout(Stdio::null()) + .stdin(Stdio::null()) + .stderr(Stdio::piped()) + .args(["--unstable-features", "--skip-children"]); + cmd }, + args.iter(), + ) + .map(|mut cmd| expect_action(cmd.spawn(), ErrAction::Run, "rustfmt")) + .collect(); + + for child in &mut children { + let status = expect_action(child.wait(), ErrAction::Run, "rustfmt"); + match (update_mode, status.exit_ok()) { + (UpdateMode::Check | UpdateMode::Change, Ok(())) => {}, + (UpdateMode::Check, Err(_)) => { + let mut s = String::new(); + if let Some(mut stderr) = child.stderr.take() + && stderr.read_to_string(&mut s).is_ok() + { + eprintln!("{s}"); + } + eprintln!("Formatting check failed!\nRun `cargo dev fmt` to update."); + process::exit(1); + }, + (UpdateMode::Change, e) => { + let mut s = String::new(); + if let Some(mut stderr) = child.stderr.take() + && stderr.read_to_string(&mut s).is_ok() + { + eprintln!("{s}"); + } + expect_action(e, ErrAction::Run, "rustfmt"); + }, + } } } -fn cargo_fmt(context: &FmtContext, path: &Path) -> Result<(), Error> { - let mut args = vec!["fmt", "--all"]; - if context.check { - args.push("--check"); - } - exec_fmt_command(context, "cargo", path, &args) -} - -fn check_for_rustfmt(context: &FmtContext) -> Result<(), Error> { - let program = "rustfmt"; - let dir = std::env::current_dir()?; - let args = &["--version"]; - - if context.verbose { - println!("{}", format_command(program, &dir, args)); - } - - let output = Command::new(program).current_dir(&dir).args(args.iter()).output()?; - - if output.status.success() { - Ok(()) - } else if std::str::from_utf8(&output.stderr) - .unwrap_or("") - .starts_with("error: 'rustfmt' is not installed") - { - Err(Error::RustfmtNotInstalled) - } else { - Err(Error::CommandFailed( - format_command(program, &dir, args), - std::str::from_utf8(&output.stderr).unwrap_or("").to_string(), - )) - } -} - -fn rustfmt(context: &FmtContext, paths: impl Iterator<Item = OsString>) -> Result<(), Error> { - let mut args = Vec::new(); - if context.check { - args.push(OsString::from("--check")); +// the "main" function of cargo dev fmt +pub fn run(update_mode: UpdateMode) { + run_rustfmt(update_mode); + fmt_syms(update_mode); + if let Err(e) = fmt_conf(update_mode.is_check()) { + e.display(); + process::exit(1); } - args.extend(paths); - exec_fmt_command(context, &context.rustfmt_path, std::env::current_dir()?, &args) } diff --git a/src/tools/clippy/clippy_dev/src/lib.rs b/src/tools/clippy/clippy_dev/src/lib.rs index e237a05b253..3361443196a 100644 --- a/src/tools/clippy/clippy_dev/src/lib.rs +++ b/src/tools/clippy/clippy_dev/src/lib.rs @@ -1,4 +1,12 @@ -#![feature(rustc_private, if_let_guard, let_chains)] +#![feature( + rustc_private, + exit_status_error, + if_let_guard, + let_chains, + os_str_slice, + os_string_truncate, + slice_split_once +)] #![warn( trivial_casts, trivial_numeric_casts, diff --git a/src/tools/clippy/clippy_dev/src/main.rs b/src/tools/clippy/clippy_dev/src/main.rs index 5dce0be742b..26aa269fb63 100644 --- a/src/tools/clippy/clippy_dev/src/main.rs +++ b/src/tools/clippy/clippy_dev/src/main.rs @@ -26,7 +26,7 @@ fn main() { allow_staged, allow_no_vcs, } => dogfood::dogfood(fix, allow_dirty, allow_staged, allow_no_vcs), - DevCommand::Fmt { check, verbose } => fmt::run(check, verbose), + DevCommand::Fmt { check } => fmt::run(utils::UpdateMode::from_check(check)), DevCommand::UpdateLints { check } => update_lints::update(utils::UpdateMode::from_check(check)), DevCommand::NewLint { pass, @@ -125,9 +125,6 @@ enum DevCommand { #[arg(long)] /// Use the rustfmt --check option check: bool, - #[arg(short, long)] - /// Echo commands run - verbose: bool, }, #[command(name = "update_lints")] /// Updates lint registration and information from the source code diff --git a/src/tools/clippy/clippy_dev/src/release.rs b/src/tools/clippy/clippy_dev/src/release.rs index d3b1a7ff320..62c1bee8185 100644 --- a/src/tools/clippy/clippy_dev/src/release.rs +++ b/src/tools/clippy/clippy_dev/src/release.rs @@ -1,4 +1,4 @@ -use crate::utils::{FileUpdater, Version, update_text_region_fn}; +use crate::utils::{FileUpdater, UpdateStatus, Version, parse_cargo_package}; use std::fmt::Write; static CARGO_TOML_FILES: &[&str] = &[ @@ -13,15 +13,17 @@ pub fn bump_version(mut version: Version) { let mut updater = FileUpdater::default(); for file in CARGO_TOML_FILES { - updater.update_file( - file, - &mut update_text_region_fn( - "# begin autogenerated version\n", - "# end autogenerated version", - |dst| { - writeln!(dst, "version = \"{}\"", version.toml_display()).unwrap(); - }, - ), - ); + updater.update_file(file, &mut |_, src, dst| { + let package = parse_cargo_package(src); + if package.version_range.is_empty() { + dst.push_str(src); + UpdateStatus::Unchanged + } else { + dst.push_str(&src[..package.version_range.start]); + write!(dst, "\"{}\"", version.toml_display()).unwrap(); + dst.push_str(&src[package.version_range.end..]); + UpdateStatus::from_changed(src.get(package.version_range.clone()) != dst.get(package.version_range)) + } + }); } } diff --git a/src/tools/clippy/clippy_dev/src/rename_lint.rs b/src/tools/clippy/clippy_dev/src/rename_lint.rs index 9e7e5d97f02..d62597428e2 100644 --- a/src/tools/clippy/clippy_dev/src/rename_lint.rs +++ b/src/tools/clippy/clippy_dev/src/rename_lint.rs @@ -1,11 +1,12 @@ -use crate::update_lints::{ - DeprecatedLints, RenamedLint, find_lint_decls, gen_renamed_lints_test_fn, generate_lint_files, - read_deprecated_lints, +use crate::update_lints::{RenamedLint, find_lint_decls, generate_lint_files, read_deprecated_lints}; +use crate::utils::{ + ErrAction, FileUpdater, RustSearcher, Token, UpdateMode, UpdateStatus, Version, delete_dir_if_exists, + delete_file_if_exists, expect_action, try_rename_dir, try_rename_file, walk_dir_no_dot_or_target, }; -use crate::utils::{FileUpdater, StringReplacer, UpdateMode, Version, try_rename_file}; -use std::ffi::OsStr; +use rustc_lexer::TokenKind; +use std::ffi::OsString; +use std::fs; use std::path::Path; -use walkdir::WalkDir; /// Runs the `rename_lint` command. /// @@ -22,7 +23,7 @@ use walkdir::WalkDir; /// * If either lint name has a prefix /// * If `old_name` doesn't name an existing lint. /// * If `old_name` names a deprecated or renamed lint. -#[allow(clippy::too_many_lines)] +#[expect(clippy::too_many_lines)] pub fn rename(clippy_version: Version, old_name: &str, new_name: &str, uplift: bool) { if let Some((prefix, _)) = old_name.split_once("::") { panic!("`{old_name}` should not contain the `{prefix}` prefix"); @@ -33,162 +34,362 @@ pub fn rename(clippy_version: Version, old_name: &str, new_name: &str, uplift: b let mut updater = FileUpdater::default(); let mut lints = find_lint_decls(); - let DeprecatedLints { - renamed: mut renamed_lints, - deprecated: deprecated_lints, - file: mut deprecated_file, - contents: mut deprecated_contents, - renamed_end, - .. - } = read_deprecated_lints(); - - let mut old_lint_index = None; - let mut found_new_name = false; - for (i, lint) in lints.iter().enumerate() { - if lint.name == old_name { - old_lint_index = Some(i); - } else if lint.name == new_name { - found_new_name = true; + let (deprecated_lints, mut renamed_lints) = read_deprecated_lints(); + + let Ok(lint_idx) = lints.binary_search_by(|x| x.name.as_str().cmp(old_name)) else { + panic!("could not find lint `{old_name}`"); + }; + let lint = &lints[lint_idx]; + + let old_name_prefixed = String::from_iter(["clippy::", old_name]); + let new_name_prefixed = if uplift { + new_name.to_owned() + } else { + String::from_iter(["clippy::", new_name]) + }; + + for lint in &mut renamed_lints { + if lint.new_name == old_name_prefixed { + lint.new_name.clone_from(&new_name_prefixed); } } - let old_lint_index = old_lint_index.unwrap_or_else(|| panic!("could not find lint `{old_name}`")); + match renamed_lints.binary_search_by(|x| x.old_name.cmp(&old_name_prefixed)) { + Ok(_) => { + println!("`{old_name}` already has a rename registered"); + return; + }, + Err(idx) => { + renamed_lints.insert( + idx, + RenamedLint { + old_name: old_name_prefixed, + new_name: if uplift { + new_name.to_owned() + } else { + String::from_iter(["clippy::", new_name]) + }, + version: clippy_version.rust_display().to_string(), + }, + ); + }, + } - let lint = RenamedLint { - old_name: format!("clippy::{old_name}"), - new_name: if uplift { - new_name.into() + // Some tests are named `lint_name_suffix` which should also be renamed, + // but we can't do that if the renamed lint's name overlaps with another + // lint. e.g. renaming 'foo' to 'bar' when a lint 'foo_bar' also exists. + let change_prefixed_tests = lints.get(lint_idx + 1).is_none_or(|l| !l.name.starts_with(old_name)); + + let mut mod_edit = ModEdit::None; + if uplift { + let is_unique_mod = lints[..lint_idx].iter().any(|l| l.module == lint.module) + || lints[lint_idx + 1..].iter().any(|l| l.module == lint.module); + if is_unique_mod { + if delete_file_if_exists(lint.path.as_ref()) { + mod_edit = ModEdit::Delete; + } } else { - format!("clippy::{new_name}") - }, - }; + updater.update_file(&lint.path, &mut |_, src, dst| -> UpdateStatus { + let mut start = &src[..lint.declaration_range.start]; + if start.ends_with("\n\n") { + start = &start[..start.len() - 1]; + } + let mut end = &src[lint.declaration_range.end..]; + if end.starts_with("\n\n") { + end = &end[1..]; + } + dst.push_str(start); + dst.push_str(end); + UpdateStatus::Changed + }); + } + delete_test_files(old_name, change_prefixed_tests); + lints.remove(lint_idx); + } else if lints.binary_search_by(|x| x.name.as_str().cmp(new_name)).is_err() { + let lint = &mut lints[lint_idx]; + if lint.module.ends_with(old_name) + && lint + .path + .file_stem() + .is_some_and(|x| x.as_encoded_bytes() == old_name.as_bytes()) + { + let mut new_path = lint.path.with_file_name(new_name).into_os_string(); + new_path.push(".rs"); + if try_rename_file(lint.path.as_ref(), new_path.as_ref()) { + mod_edit = ModEdit::Rename; + } - // Renamed lints and deprecated lints shouldn't have been found in the lint list, but check just in - // case. - assert!( - !renamed_lints.iter().any(|l| lint.old_name == l.old_name), - "`{old_name}` has already been renamed" - ); - assert!( - !deprecated_lints.iter().any(|l| lint.old_name == l.name), - "`{old_name}` has already been deprecated" - ); - - // Update all lint level attributes. (`clippy::lint_name`) - let replacements = &[(&*lint.old_name, &*lint.new_name)]; - let replacer = StringReplacer::new(replacements); - for file in WalkDir::new(".").into_iter().map(Result::unwrap).filter(|f| { - let name = f.path().file_name(); - let ext = f.path().extension(); - (ext == Some(OsStr::new("rs")) || ext == Some(OsStr::new("fixed"))) - && name != Some(OsStr::new("rename.rs")) - && name != Some(OsStr::new("deprecated_lints.rs")) - }) { - updater.update_file(file.path(), &mut replacer.replace_ident_fn()); + let mod_len = lint.module.len(); + lint.module.truncate(mod_len - old_name.len()); + lint.module.push_str(new_name); + } + rename_test_files(old_name, new_name, change_prefixed_tests); + new_name.clone_into(&mut lints[lint_idx].name); + lints.sort_by(|lhs, rhs| lhs.name.cmp(&rhs.name)); + } else { + println!("Renamed `clippy::{old_name}` to `clippy::{new_name}`"); + println!("Since `{new_name}` already exists the existing code has not been changed"); + return; } - deprecated_contents.insert_str( - renamed_end as usize, - &format!( - " #[clippy::version = \"{}\"]\n (\"{}\", \"{}\"),\n", - clippy_version.rust_display(), - lint.old_name, - lint.new_name, - ), - ); - deprecated_file.replace_contents(deprecated_contents.as_bytes()); - drop(deprecated_file); - - renamed_lints.push(lint); - renamed_lints.sort_by(|lhs, rhs| { - lhs.new_name - .starts_with("clippy::") - .cmp(&rhs.new_name.starts_with("clippy::")) - .reverse() - .then_with(|| lhs.old_name.cmp(&rhs.old_name)) - }); + let mut update_fn = file_update_fn(old_name, new_name, mod_edit); + for e in walk_dir_no_dot_or_target() { + let e = expect_action(e, ErrAction::Read, "."); + if e.path().as_os_str().as_encoded_bytes().ends_with(b".rs") { + updater.update_file(e.path(), &mut update_fn); + } + } + generate_lint_files(UpdateMode::Change, &lints, &deprecated_lints, &renamed_lints); if uplift { - updater.update_file("tests/ui/rename.rs", &mut gen_renamed_lints_test_fn(&renamed_lints)); - println!( - "`{old_name}` has be uplifted. All the code inside `clippy_lints` related to it needs to be removed manually." - ); - } else if found_new_name { - updater.update_file("tests/ui/rename.rs", &mut gen_renamed_lints_test_fn(&renamed_lints)); - println!( - "`{new_name}` is already defined. The old linting code inside `clippy_lints` needs to be updated/removed manually." - ); - } else { - // Rename the lint struct and source files sharing a name with the lint. - let lint = &mut lints[old_lint_index]; - let old_name_upper = old_name.to_uppercase(); - let new_name_upper = new_name.to_uppercase(); - lint.name = new_name.into(); - - // Rename test files. only rename `.stderr` and `.fixed` files if the new test name doesn't exist. - if try_rename_file( - Path::new(&format!("tests/ui/{old_name}.rs")), - Path::new(&format!("tests/ui/{new_name}.rs")), - ) { - try_rename_file( - Path::new(&format!("tests/ui/{old_name}.stderr")), - Path::new(&format!("tests/ui/{new_name}.stderr")), - ); - try_rename_file( - Path::new(&format!("tests/ui/{old_name}.fixed")), - Path::new(&format!("tests/ui/{new_name}.fixed")), - ); + println!("Uplifted `clippy::{old_name}` as `{new_name}`"); + if matches!(mod_edit, ModEdit::None) { + println!("Only the rename has been registered, the code will need to be edited manually"); + } else { + println!("All the lint's code has been deleted"); + println!("Make sure to inspect the results as some things may have been missed"); } + } else { + println!("Renamed `clippy::{old_name}` to `clippy::{new_name}`"); + println!("All code referencing the old name has been updated"); + println!("Make sure to inspect the results as some things may have been missed"); + } + println!("note: `cargo uibless` still needs to be run to update the test results"); +} + +#[derive(Clone, Copy)] +enum ModEdit { + None, + Delete, + Rename, +} - // Try to rename the file containing the lint if the file name matches the lint's name. - let replacements; - let replacements = if lint.module == old_name - && try_rename_file( - Path::new(&format!("clippy_lints/src/{old_name}.rs")), - Path::new(&format!("clippy_lints/src/{new_name}.rs")), - ) { - // Edit the module name in the lint list. Note there could be multiple lints. - for lint in lints.iter_mut().filter(|l| l.module == old_name) { - lint.module = new_name.into(); +fn collect_ui_test_names(lint: &str, rename_prefixed: bool, dst: &mut Vec<(OsString, bool)>) { + for e in fs::read_dir("tests/ui").expect("error reading `tests/ui`") { + let e = e.expect("error reading `tests/ui`"); + let name = e.file_name(); + if let Some((name_only, _)) = name.as_encoded_bytes().split_once(|&x| x == b'.') { + if name_only.starts_with(lint.as_bytes()) && (rename_prefixed || name_only.len() == lint.len()) { + dst.push((name, true)); } - replacements = [(&*old_name_upper, &*new_name_upper), (old_name, new_name)]; - replacements.as_slice() - } else if !lint.module.contains("::") - // Catch cases like `methods/lint_name.rs` where the lint is stored in `methods/mod.rs` - && try_rename_file( - Path::new(&format!("clippy_lints/src/{}/{old_name}.rs", lint.module)), - Path::new(&format!("clippy_lints/src/{}/{new_name}.rs", lint.module)), - ) + } else if name.as_encoded_bytes().starts_with(lint.as_bytes()) && (rename_prefixed || name.len() == lint.len()) { - // Edit the module name in the lint list. Note there could be multiple lints, or none. - let renamed_mod = format!("{}::{old_name}", lint.module); - for lint in lints.iter_mut().filter(|l| l.module == renamed_mod) { - lint.module = format!("{}::{new_name}", lint.module); + dst.push((name, false)); + } + } +} + +fn collect_ui_toml_test_names(lint: &str, rename_prefixed: bool, dst: &mut Vec<(OsString, bool)>) { + if rename_prefixed { + for e in fs::read_dir("tests/ui-toml").expect("error reading `tests/ui-toml`") { + let e = e.expect("error reading `tests/ui-toml`"); + let name = e.file_name(); + if name.as_encoded_bytes().starts_with(lint.as_bytes()) && e.file_type().is_ok_and(|ty| ty.is_dir()) { + dst.push((name, false)); } - replacements = [(&*old_name_upper, &*new_name_upper), (old_name, new_name)]; - replacements.as_slice() + } + } else { + dst.push((lint.into(), false)); + } +} + +/// Renames all test files for the given lint. +/// +/// If `rename_prefixed` is `true` this will also rename tests which have the lint name as a prefix. +fn rename_test_files(old_name: &str, new_name: &str, rename_prefixed: bool) { + let mut tests = Vec::new(); + + let mut old_buf = OsString::from("tests/ui/"); + let mut new_buf = OsString::from("tests/ui/"); + collect_ui_test_names(old_name, rename_prefixed, &mut tests); + for &(ref name, is_file) in &tests { + old_buf.push(name); + new_buf.extend([new_name.as_ref(), name.slice_encoded_bytes(old_name.len()..)]); + if is_file { + try_rename_file(old_buf.as_ref(), new_buf.as_ref()); } else { - replacements = [(&*old_name_upper, &*new_name_upper), ("", "")]; - &replacements[0..1] - }; - - // Don't change `clippy_utils/src/renamed_lints.rs` here as it would try to edit the lint being - // renamed. - let replacer = StringReplacer::new(replacements); - for file in WalkDir::new("clippy_lints/src") { - let file = file.expect("error reading `clippy_lints/src`"); - if file - .path() - .as_os_str() - .to_str() - .is_some_and(|x| x.ends_with("*.rs") && x["clippy_lints/src/".len()..] != *"deprecated_lints.rs") - { - updater.update_file(file.path(), &mut replacer.replace_ident_fn()); - } + try_rename_dir(old_buf.as_ref(), new_buf.as_ref()); } + old_buf.truncate("tests/ui/".len()); + new_buf.truncate("tests/ui/".len()); + } - generate_lint_files(UpdateMode::Change, &lints, &deprecated_lints, &renamed_lints); - println!("{old_name} has been successfully renamed"); + tests.clear(); + old_buf.truncate("tests/ui".len()); + new_buf.truncate("tests/ui".len()); + old_buf.push("-toml/"); + new_buf.push("-toml/"); + collect_ui_toml_test_names(old_name, rename_prefixed, &mut tests); + for (name, _) in &tests { + old_buf.push(name); + new_buf.extend([new_name.as_ref(), name.slice_encoded_bytes(old_name.len()..)]); + try_rename_dir(old_buf.as_ref(), new_buf.as_ref()); + old_buf.truncate("tests/ui/".len()); + new_buf.truncate("tests/ui/".len()); } +} - println!("note: `cargo uitest` still needs to be run to update the test results"); +fn delete_test_files(lint: &str, rename_prefixed: bool) { + let mut tests = Vec::new(); + + let mut buf = OsString::from("tests/ui/"); + collect_ui_test_names(lint, rename_prefixed, &mut tests); + for &(ref name, is_file) in &tests { + buf.push(name); + if is_file { + delete_file_if_exists(buf.as_ref()); + } else { + delete_dir_if_exists(buf.as_ref()); + } + buf.truncate("tests/ui/".len()); + } + + buf.truncate("tests/ui".len()); + buf.push("-toml/"); + + tests.clear(); + collect_ui_toml_test_names(lint, rename_prefixed, &mut tests); + for (name, _) in &tests { + buf.push(name); + delete_dir_if_exists(buf.as_ref()); + buf.truncate("tests/ui/".len()); + } +} + +fn snake_to_pascal(s: &str) -> String { + let mut dst = Vec::with_capacity(s.len()); + let mut iter = s.bytes(); + || -> Option<()> { + dst.push(iter.next()?.to_ascii_uppercase()); + while let Some(c) = iter.next() { + if c == b'_' { + dst.push(iter.next()?.to_ascii_uppercase()); + } else { + dst.push(c); + } + } + Some(()) + }(); + String::from_utf8(dst).unwrap() +} + +#[expect(clippy::too_many_lines)] +fn file_update_fn<'a, 'b>( + old_name: &'a str, + new_name: &'b str, + mod_edit: ModEdit, +) -> impl use<'a, 'b> + FnMut(&Path, &str, &mut String) -> UpdateStatus { + let old_name_pascal = snake_to_pascal(old_name); + let new_name_pascal = snake_to_pascal(new_name); + let old_name_upper = old_name.to_ascii_uppercase(); + let new_name_upper = new_name.to_ascii_uppercase(); + move |_, src, dst| { + let mut copy_pos = 0u32; + let mut changed = false; + let mut searcher = RustSearcher::new(src); + let mut capture = ""; + loop { + match searcher.peek() { + TokenKind::Eof => break, + TokenKind::Ident => { + let match_start = searcher.pos(); + let text = searcher.peek_text(); + searcher.step(); + match text { + // clippy::line_name or clippy::lint-name + "clippy" => { + if searcher.match_tokens(&[Token::DoubleColon, Token::CaptureIdent], &mut [&mut capture]) + && capture == old_name + { + dst.push_str(&src[copy_pos as usize..searcher.pos() as usize - capture.len()]); + dst.push_str(new_name); + copy_pos = searcher.pos(); + changed = true; + } + }, + // mod lint_name + "mod" => { + if !matches!(mod_edit, ModEdit::None) + && searcher.match_tokens(&[Token::CaptureIdent], &mut [&mut capture]) + && capture == old_name + { + match mod_edit { + ModEdit::Rename => { + dst.push_str(&src[copy_pos as usize..searcher.pos() as usize - capture.len()]); + dst.push_str(new_name); + copy_pos = searcher.pos(); + changed = true; + }, + ModEdit::Delete if searcher.match_tokens(&[Token::Semi], &mut []) => { + let mut start = &src[copy_pos as usize..match_start as usize]; + if start.ends_with("\n\n") { + start = &start[..start.len() - 1]; + } + dst.push_str(start); + copy_pos = searcher.pos(); + if src[copy_pos as usize..].starts_with("\n\n") { + copy_pos += 1; + } + changed = true; + }, + ModEdit::Delete | ModEdit::None => {}, + } + } + }, + // lint_name:: + name if matches!(mod_edit, ModEdit::Rename) && name == old_name => { + let name_end = searcher.pos(); + if searcher.match_tokens(&[Token::DoubleColon], &mut []) { + dst.push_str(&src[copy_pos as usize..match_start as usize]); + dst.push_str(new_name); + copy_pos = name_end; + changed = true; + } + }, + // LINT_NAME or LintName + name => { + let replacement = if name == old_name_upper { + &new_name_upper + } else if name == old_name_pascal { + &new_name_pascal + } else { + continue; + }; + dst.push_str(&src[copy_pos as usize..match_start as usize]); + dst.push_str(replacement); + copy_pos = searcher.pos(); + changed = true; + }, + } + }, + // //~ lint_name + TokenKind::LineComment { doc_style: None } => { + let text = searcher.peek_text(); + if text.starts_with("//~") + && let Some(text) = text.strip_suffix(old_name) + && !text.ends_with(|c| matches!(c, 'a'..='z' | 'A'..='Z' | '0'..='9' | '_')) + { + dst.push_str(&src[copy_pos as usize..searcher.pos() as usize + text.len()]); + dst.push_str(new_name); + copy_pos = searcher.pos() + searcher.peek_len(); + changed = true; + } + searcher.step(); + }, + // ::lint_name + TokenKind::Colon + if searcher.match_tokens(&[Token::DoubleColon, Token::CaptureIdent], &mut [&mut capture]) + && capture == old_name => + { + dst.push_str(&src[copy_pos as usize..searcher.pos() as usize - capture.len()]); + dst.push_str(new_name); + copy_pos = searcher.pos(); + changed = true; + }, + _ => searcher.step(), + } + } + + dst.push_str(&src[copy_pos as usize..]); + UpdateStatus::from_changed(changed) + } } diff --git a/src/tools/clippy/clippy_dev/src/sync.rs b/src/tools/clippy/clippy_dev/src/sync.rs index c699b0d7b95..98fd72fc0bd 100644 --- a/src/tools/clippy/clippy_dev/src/sync.rs +++ b/src/tools/clippy/clippy_dev/src/sync.rs @@ -4,15 +4,22 @@ use std::fmt::Write; pub fn update_nightly() { let date = Utc::now().format("%Y-%m-%d").to_string(); - let update = &mut update_text_region_fn( + let toolchain_update = &mut update_text_region_fn( "# begin autogenerated nightly\n", "# end autogenerated nightly", |dst| { writeln!(dst, "channel = \"nightly-{date}\"").unwrap(); }, ); + let readme_update = &mut update_text_region_fn( + "<!-- begin autogenerated nightly -->\n", + "<!-- end autogenerated nightly -->", + |dst| { + writeln!(dst, "```\nnightly-{date}\n```").unwrap(); + }, + ); let mut updater = FileUpdater::default(); - updater.update_file("rust-toolchain.toml", update); - updater.update_file("clippy_utils/README.md", update); + updater.update_file("rust-toolchain.toml", toolchain_update); + updater.update_file("clippy_utils/README.md", readme_update); } diff --git a/src/tools/clippy/clippy_dev/src/update_lints.rs b/src/tools/clippy/clippy_dev/src/update_lints.rs index 0c861b72935..320462a2c96 100644 --- a/src/tools/clippy/clippy_dev/src/update_lints.rs +++ b/src/tools/clippy/clippy_dev/src/update_lints.rs @@ -1,12 +1,11 @@ use crate::utils::{ - File, FileAction, FileUpdater, RustSearcher, Token, UpdateMode, UpdateStatus, panic_file, update_text_region_fn, + ErrAction, File, FileUpdater, RustSearcher, Token, UpdateMode, UpdateStatus, expect_action, update_text_region_fn, }; use itertools::Itertools; use std::collections::HashSet; use std::fmt::Write; -use std::fs::OpenOptions; use std::ops::Range; -use std::path::Path; +use std::path::{Path, PathBuf}; use walkdir::{DirEntry, WalkDir}; const GENERATED_FILE_COMMENT: &str = "// This file was generated by `cargo dev update_lints`.\n\ @@ -26,12 +25,11 @@ const DOCS_LINK: &str = "https://rust-lang.github.io/rust-clippy/master/index.ht /// Panics if a file path could not read from or then written to pub fn update(update_mode: UpdateMode) { let lints = find_lint_decls(); - let DeprecatedLints { - renamed, deprecated, .. - } = read_deprecated_lints(); + let (deprecated, renamed) = read_deprecated_lints(); generate_lint_files(update_mode, &lints, &deprecated, &renamed); } +#[expect(clippy::too_many_lines)] pub fn generate_lint_files( update_mode: UpdateMode, lints: &[Lint], @@ -93,6 +91,40 @@ pub fn generate_lint_files( dst.push_str("];\n"); UpdateStatus::from_changed(src != dst) }), + ("clippy_lints/src/deprecated_lints.rs", &mut |_, src, dst| { + let mut searcher = RustSearcher::new(src); + assert!( + searcher.find_token(Token::Ident("declare_with_version")) + && searcher.find_token(Token::Ident("declare_with_version")), + "error reading deprecated lints" + ); + dst.push_str(&src[..searcher.pos() as usize]); + dst.push_str("! { DEPRECATED(DEPRECATED_VERSION) = [\n"); + for lint in deprecated { + write!( + dst, + " #[clippy::version = \"{}\"]\n (\"{}\", \"{}\"),\n", + lint.version, lint.name, lint.reason, + ) + .unwrap(); + } + dst.push_str( + "]}\n\n\ + #[rustfmt::skip]\n\ + declare_with_version! { RENAMED(RENAMED_VERSION) = [\n\ + ", + ); + for lint in renamed { + write!( + dst, + " #[clippy::version = \"{}\"]\n (\"{}\", \"{}\"),\n", + lint.version, lint.old_name, lint.new_name, + ) + .unwrap(); + } + dst.push_str("]}\n"); + UpdateStatus::from_changed(src != dst) + }), ("tests/ui/deprecated.rs", &mut |_, src, dst| { dst.push_str(GENERATED_FILE_COMMENT); for lint in deprecated { @@ -101,7 +133,24 @@ pub fn generate_lint_files( dst.push_str("\nfn main() {}\n"); UpdateStatus::from_changed(src != dst) }), - ("tests/ui/rename.rs", &mut gen_renamed_lints_test_fn(renamed)), + ("tests/ui/rename.rs", &mut move |_, src, dst| { + let mut seen_lints = HashSet::new(); + dst.push_str(GENERATED_FILE_COMMENT); + dst.push_str("#![allow(clippy::duplicated_attributes)]\n"); + for lint in renamed { + if seen_lints.insert(&lint.new_name) { + writeln!(dst, "#![allow({})]", lint.new_name).unwrap(); + } + } + seen_lints.clear(); + for lint in renamed { + if seen_lints.insert(&lint.old_name) { + writeln!(dst, "#![warn({})] //~ ERROR: lint `{}`", lint.old_name, lint.old_name).unwrap(); + } + } + dst.push_str("\nfn main() {}\n"); + UpdateStatus::from_changed(src != dst) + }), ], ); } @@ -111,44 +160,25 @@ fn round_to_fifty(count: usize) -> usize { } /// Lint data parsed from the Clippy source code. -#[derive(Clone, PartialEq, Eq, Debug)] +#[derive(PartialEq, Eq, Debug)] pub struct Lint { pub name: String, pub group: String, pub module: String, + pub path: PathBuf, pub declaration_range: Range<usize>, } -#[derive(Clone, PartialEq, Eq, Debug)] pub struct DeprecatedLint { pub name: String, pub reason: String, + pub version: String, } pub struct RenamedLint { pub old_name: String, pub new_name: String, -} - -pub fn gen_renamed_lints_test_fn(lints: &[RenamedLint]) -> impl Fn(&Path, &str, &mut String) -> UpdateStatus { - move |_, src, dst| { - let mut seen_lints = HashSet::new(); - dst.push_str(GENERATED_FILE_COMMENT); - dst.push_str("#![allow(clippy::duplicated_attributes)]\n"); - for lint in lints { - if seen_lints.insert(&lint.new_name) { - writeln!(dst, "#![allow({})]", lint.new_name).unwrap(); - } - } - seen_lints.clear(); - for lint in lints { - if seen_lints.insert(&lint.old_name) { - writeln!(dst, "#![warn({})] //~ ERROR: lint `{}`", lint.old_name, lint.old_name).unwrap(); - } - } - dst.push_str("\nfn main() {}\n"); - UpdateStatus::from_changed(src != dst) - } + pub version: String, } /// Finds all lint declarations (`declare_clippy_lint!`) @@ -158,6 +188,7 @@ pub fn find_lint_decls() -> Vec<Lint> { let mut contents = String::new(); for (file, module) in read_src_with_module("clippy_lints/src".as_ref()) { parse_clippy_lint_decls( + file.path(), File::open_read_to_cleared_string(file.path(), &mut contents), &module, &mut lints, @@ -170,10 +201,7 @@ pub fn find_lint_decls() -> Vec<Lint> { /// Reads the source files from the given root directory fn read_src_with_module(src_root: &Path) -> impl use<'_> + Iterator<Item = (DirEntry, String)> { WalkDir::new(src_root).into_iter().filter_map(move |e| { - let e = match e { - Ok(e) => e, - Err(ref e) => panic_file(e, FileAction::Read, src_root), - }; + let e = expect_action(e, ErrAction::Read, src_root); let path = e.path().as_os_str().as_encoded_bytes(); if let Some(path) = path.strip_suffix(b".rs") && let Some(path) = path.get("clippy_lints/src/".len()..) @@ -202,17 +230,17 @@ fn read_src_with_module(src_root: &Path) -> impl use<'_> + Iterator<Item = (DirE } /// Parse a source file looking for `declare_clippy_lint` macro invocations. -fn parse_clippy_lint_decls(contents: &str, module: &str, lints: &mut Vec<Lint>) { +fn parse_clippy_lint_decls(path: &Path, contents: &str, module: &str, lints: &mut Vec<Lint>) { #[allow(clippy::enum_glob_use)] use Token::*; #[rustfmt::skip] - static DECL_TOKENS: &[Token] = &[ + static DECL_TOKENS: &[Token<'_>] = &[ // !{ /// docs - Bang, OpenBrace, AnyDoc, + Bang, OpenBrace, AnyComment, // #[clippy::version = "version"] Pound, OpenBracket, Ident("clippy"), DoubleColon, Ident("version"), Eq, LitStr, CloseBracket, // pub NAME, GROUP, - Ident("pub"), CaptureIdent, Comma, CaptureIdent, Comma, + Ident("pub"), CaptureIdent, Comma, AnyComment, CaptureIdent, Comma, ]; let mut searcher = RustSearcher::new(contents); @@ -224,55 +252,42 @@ fn parse_clippy_lint_decls(contents: &str, module: &str, lints: &mut Vec<Lint>) name: name.to_lowercase(), group: group.into(), module: module.into(), + path: path.into(), declaration_range: start..searcher.pos() as usize, }); } } } -pub struct DeprecatedLints { - pub file: File<'static>, - pub contents: String, - pub deprecated: Vec<DeprecatedLint>, - pub renamed: Vec<RenamedLint>, - pub deprecated_end: u32, - pub renamed_end: u32, -} - #[must_use] -pub fn read_deprecated_lints() -> DeprecatedLints { +pub fn read_deprecated_lints() -> (Vec<DeprecatedLint>, Vec<RenamedLint>) { #[allow(clippy::enum_glob_use)] use Token::*; #[rustfmt::skip] - static DECL_TOKENS: &[Token] = &[ + static DECL_TOKENS: &[Token<'_>] = &[ // #[clippy::version = "version"] - Pound, OpenBracket, Ident("clippy"), DoubleColon, Ident("version"), Eq, LitStr, CloseBracket, + Pound, OpenBracket, Ident("clippy"), DoubleColon, Ident("version"), Eq, CaptureLitStr, CloseBracket, // ("first", "second"), OpenParen, CaptureLitStr, Comma, CaptureLitStr, CloseParen, Comma, ]; #[rustfmt::skip] - static DEPRECATED_TOKENS: &[Token] = &[ + static DEPRECATED_TOKENS: &[Token<'_>] = &[ // !{ DEPRECATED(DEPRECATED_VERSION) = [ Bang, OpenBrace, Ident("DEPRECATED"), OpenParen, Ident("DEPRECATED_VERSION"), CloseParen, Eq, OpenBracket, ]; #[rustfmt::skip] - static RENAMED_TOKENS: &[Token] = &[ + static RENAMED_TOKENS: &[Token<'_>] = &[ // !{ RENAMED(RENAMED_VERSION) = [ Bang, OpenBrace, Ident("RENAMED"), OpenParen, Ident("RENAMED_VERSION"), CloseParen, Eq, OpenBracket, ]; let path = "clippy_lints/src/deprecated_lints.rs"; - let mut res = DeprecatedLints { - file: File::open(path, OpenOptions::new().read(true).write(true)), - contents: String::new(), - deprecated: Vec::with_capacity(30), - renamed: Vec::with_capacity(80), - deprecated_end: 0, - renamed_end: 0, - }; + let mut deprecated = Vec::with_capacity(30); + let mut renamed = Vec::with_capacity(80); + let mut contents = String::new(); + File::open_read_to_cleared_string(path, &mut contents); - res.file.read_append_to_string(&mut res.contents); - let mut searcher = RustSearcher::new(&res.contents); + let mut searcher = RustSearcher::new(&contents); // First instance is the macro definition. assert!( @@ -281,36 +296,38 @@ pub fn read_deprecated_lints() -> DeprecatedLints { ); if searcher.find_token(Ident("declare_with_version")) && searcher.match_tokens(DEPRECATED_TOKENS, &mut []) { + let mut version = ""; let mut name = ""; let mut reason = ""; - while searcher.match_tokens(DECL_TOKENS, &mut [&mut name, &mut reason]) { - res.deprecated.push(DeprecatedLint { + while searcher.match_tokens(DECL_TOKENS, &mut [&mut version, &mut name, &mut reason]) { + deprecated.push(DeprecatedLint { name: parse_str_single_line(path.as_ref(), name), reason: parse_str_single_line(path.as_ref(), reason), + version: parse_str_single_line(path.as_ref(), version), }); } } else { panic!("error reading deprecated lints"); } - // position of the closing `]}` of `declare_with_version` - res.deprecated_end = searcher.pos(); if searcher.find_token(Ident("declare_with_version")) && searcher.match_tokens(RENAMED_TOKENS, &mut []) { + let mut version = ""; let mut old_name = ""; let mut new_name = ""; - while searcher.match_tokens(DECL_TOKENS, &mut [&mut old_name, &mut new_name]) { - res.renamed.push(RenamedLint { + while searcher.match_tokens(DECL_TOKENS, &mut [&mut version, &mut old_name, &mut new_name]) { + renamed.push(RenamedLint { old_name: parse_str_single_line(path.as_ref(), old_name), new_name: parse_str_single_line(path.as_ref(), new_name), + version: parse_str_single_line(path.as_ref(), version), }); } } else { panic!("error reading renamed lints"); } - // position of the closing `]}` of `declare_with_version` - res.renamed_end = searcher.pos(); - res + deprecated.sort_by(|lhs, rhs| lhs.name.cmp(&rhs.name)); + renamed.sort_by(|lhs, rhs| lhs.old_name.cmp(&rhs.old_name)); + (deprecated, renamed) } /// Removes the line splices and surrounding quotes from a string literal @@ -366,7 +383,7 @@ mod tests { } "#; let mut result = Vec::new(); - parse_clippy_lint_decls(CONTENTS, "module_name", &mut result); + parse_clippy_lint_decls("".as_ref(), CONTENTS, "module_name", &mut result); for r in &mut result { r.declaration_range = Range::default(); } @@ -376,12 +393,14 @@ mod tests { name: "ptr_arg".into(), group: "style".into(), module: "module_name".into(), + path: PathBuf::new(), declaration_range: Range::default(), }, Lint { name: "doc_markdown".into(), group: "pedantic".into(), module: "module_name".into(), + path: PathBuf::new(), declaration_range: Range::default(), }, ]; diff --git a/src/tools/clippy/clippy_dev/src/utils.rs b/src/tools/clippy/clippy_dev/src/utils.rs index ae2eabc45dd..c4808b7048b 100644 --- a/src/tools/clippy/clippy_dev/src/utils.rs +++ b/src/tools/clippy/clippy_dev/src/utils.rs @@ -1,13 +1,16 @@ -use aho_corasick::{AhoCorasick, AhoCorasickBuilder}; use core::fmt::{self, Display}; +use core::num::NonZero; +use core::ops::Range; use core::slice; use core::str::FromStr; use rustc_lexer::{self as lexer, FrontmatterAllowed}; -use std::env; +use std::ffi::OsStr; use std::fs::{self, OpenOptions}; use std::io::{self, Read as _, Seek as _, SeekFrom, Write}; use std::path::{Path, PathBuf}; -use std::process::{self, ExitStatus}; +use std::process::{self, Command, ExitStatus, Stdio}; +use std::{env, thread}; +use walkdir::WalkDir; #[cfg(not(windows))] static CARGO_CLIPPY_EXE: &str = "cargo-clippy"; @@ -15,14 +18,16 @@ static CARGO_CLIPPY_EXE: &str = "cargo-clippy"; static CARGO_CLIPPY_EXE: &str = "cargo-clippy.exe"; #[derive(Clone, Copy)] -pub enum FileAction { +pub enum ErrAction { Open, Read, Write, Create, Rename, + Delete, + Run, } -impl FileAction { +impl ErrAction { fn as_str(self) -> &'static str { match self { Self::Open => "opening", @@ -30,16 +35,26 @@ impl FileAction { Self::Write => "writing", Self::Create => "creating", Self::Rename => "renaming", + Self::Delete => "deleting", + Self::Run => "running", } } } #[cold] #[track_caller] -pub fn panic_file(err: &impl Display, action: FileAction, path: &Path) -> ! { +pub fn panic_action(err: &impl Display, action: ErrAction, path: &Path) -> ! { panic!("error {} `{}`: {}", action.as_str(), path.display(), *err) } +#[track_caller] +pub fn expect_action<T>(res: Result<T, impl Display>, action: ErrAction, path: impl AsRef<Path>) -> T { + match res { + Ok(x) => x, + Err(ref e) => panic_action(e, action, path.as_ref()), + } +} + /// Wrapper around `std::fs::File` which panics with a path on failure. pub struct File<'a> { pub inner: fs::File, @@ -50,9 +65,9 @@ impl<'a> File<'a> { #[track_caller] pub fn open(path: &'a (impl AsRef<Path> + ?Sized), options: &mut OpenOptions) -> Self { let path = path.as_ref(); - match options.open(path) { - Ok(inner) => Self { inner, path }, - Err(e) => panic_file(&e, FileAction::Open, path), + Self { + inner: expect_action(options.open(path), ErrAction::Open, path), + path, } } @@ -63,7 +78,7 @@ impl<'a> File<'a> { match options.open(path) { Ok(inner) => Some(Self { inner, path }), Err(e) if e.kind() == io::ErrorKind::NotFound => None, - Err(e) => panic_file(&e, FileAction::Open, path), + Err(e) => panic_action(&e, ErrAction::Open, path), } } @@ -79,10 +94,7 @@ impl<'a> File<'a> { /// Read the entire contents of a file to the given buffer. #[track_caller] pub fn read_append_to_string<'dst>(&mut self, dst: &'dst mut String) -> &'dst mut String { - match self.inner.read_to_string(dst) { - Ok(_) => {}, - Err(e) => panic_file(&e, FileAction::Read, self.path), - } + expect_action(self.inner.read_to_string(dst), ErrAction::Read, self.path); dst } @@ -102,9 +114,7 @@ impl<'a> File<'a> { }, Err(e) => Err(e), }; - if let Err(e) = res { - panic_file(&e, FileAction::Write, self.path); - } + expect_action(res, ErrAction::Write, self.path); } } @@ -165,9 +175,83 @@ impl Version { } } +enum TomlPart<'a> { + Table(&'a str), + Value(&'a str, &'a str), +} + +fn toml_iter(s: &str) -> impl Iterator<Item = (usize, TomlPart<'_>)> { + let mut pos = 0; + s.split('\n') + .map(move |s| { + let x = pos; + pos += s.len() + 1; + (x, s) + }) + .filter_map(|(pos, s)| { + if let Some(s) = s.strip_prefix('[') { + s.split_once(']').map(|(name, _)| (pos, TomlPart::Table(name))) + } else if matches!(s.bytes().next(), Some(b'a'..=b'z' | b'A'..=b'Z' | b'0'..=b'9' | b'_')) { + s.split_once('=').map(|(key, value)| (pos, TomlPart::Value(key, value))) + } else { + None + } + }) +} + +pub struct CargoPackage<'a> { + pub name: &'a str, + pub version_range: Range<usize>, + pub not_a_platform_range: Range<usize>, +} + +#[must_use] +pub fn parse_cargo_package(s: &str) -> CargoPackage<'_> { + let mut in_package = false; + let mut in_platform_deps = false; + let mut name = ""; + let mut version_range = 0..0; + let mut not_a_platform_range = 0..0; + for (offset, part) in toml_iter(s) { + match part { + TomlPart::Table(name) => { + if in_platform_deps { + not_a_platform_range.end = offset; + } + in_package = false; + in_platform_deps = false; + + match name.trim() { + "package" => in_package = true, + "target.'cfg(NOT_A_PLATFORM)'.dependencies" => { + in_platform_deps = true; + not_a_platform_range.start = offset; + }, + _ => {}, + } + }, + TomlPart::Value(key, value) if in_package => match key.trim_end() { + "name" => name = value.trim(), + "version" => { + version_range.start = offset + (value.len() - value.trim().len()) + key.len() + 1; + version_range.end = offset + key.len() + value.trim_end().len() + 1; + }, + _ => {}, + }, + TomlPart::Value(..) => {}, + } + } + CargoPackage { + name, + version_range, + not_a_platform_range, + } +} + pub struct ClippyInfo { pub path: PathBuf, pub version: Version, + pub has_intellij_hook: bool, } impl ClippyInfo { #[must_use] @@ -177,35 +261,21 @@ impl ClippyInfo { loop { path.push("Cargo.toml"); if let Some(mut file) = File::open_if_exists(&path, OpenOptions::new().read(true)) { - let mut in_package = false; - let mut is_clippy = false; - let mut version: Option<Version> = None; - - // Ad-hoc parsing to avoid dependencies. We control all the file so this - // isn't actually a problem - for line in file.read_to_cleared_string(&mut buf).lines() { - if line.starts_with('[') { - in_package = line.starts_with("[package]"); - } else if in_package && let Some((name, value)) = line.split_once('=') { - match name.trim() { - "name" => is_clippy = value.trim() == "\"clippy\"", - "version" - if let Some(value) = value.trim().strip_prefix('"') - && let Some(value) = value.strip_suffix('"') => - { - version = value.parse().ok(); - }, - _ => {}, - } + file.read_to_cleared_string(&mut buf); + let package = parse_cargo_package(&buf); + if package.name == "\"clippy\"" { + if let Some(version) = buf[package.version_range].strip_prefix('"') + && let Some(version) = version.strip_suffix('"') + && let Ok(version) = version.parse() + { + path.pop(); + return ClippyInfo { + path, + version, + has_intellij_hook: !package.not_a_platform_range.is_empty(), + }; } - } - - if is_clippy { - let Some(version) = version else { - panic!("error reading clippy version from {}", file.path.display()); - }; - path.pop(); - return ClippyInfo { path, version }; + panic!("error reading clippy version from `{}`", file.path.display()); } } @@ -258,6 +328,11 @@ impl UpdateMode { pub fn from_check(check: bool) -> Self { if check { Self::Check } else { Self::Change } } + + #[must_use] + pub fn is_check(self) -> bool { + matches!(self, Self::Check) + } } #[derive(Default)] @@ -366,53 +441,11 @@ pub fn update_text_region_fn( move |path, src, dst| update_text_region(path, start, end, src, dst, &mut insert) } -#[must_use] -pub fn is_ident_char(c: u8) -> bool { - matches!(c, b'a'..=b'z' | b'A'..=b'Z' | b'0'..=b'9' | b'_') -} - -pub struct StringReplacer<'a> { - searcher: AhoCorasick, - replacements: &'a [(&'a str, &'a str)], -} -impl<'a> StringReplacer<'a> { - #[must_use] - pub fn new(replacements: &'a [(&'a str, &'a str)]) -> Self { - Self { - searcher: AhoCorasickBuilder::new() - .match_kind(aho_corasick::MatchKind::LeftmostLongest) - .build(replacements.iter().map(|&(x, _)| x)) - .unwrap(), - replacements, - } - } - - /// Replace substrings if they aren't bordered by identifier characters. - pub fn replace_ident_fn(&self) -> impl Fn(&Path, &str, &mut String) -> UpdateStatus { - move |_, src, dst| { - let mut pos = 0; - let mut changed = false; - for m in self.searcher.find_iter(src) { - if !is_ident_char(src.as_bytes().get(m.start().wrapping_sub(1)).copied().unwrap_or(0)) - && !is_ident_char(src.as_bytes().get(m.end()).copied().unwrap_or(0)) - { - changed = true; - dst.push_str(&src[pos..m.start()]); - dst.push_str(self.replacements[m.pattern()].1); - pos = m.end(); - } - } - dst.push_str(&src[pos..]); - UpdateStatus::from_changed(changed) - } - } -} - #[derive(Clone, Copy)] -pub enum Token { - /// Matches any number of doc comments. - AnyDoc, - Ident(&'static str), +pub enum Token<'a> { + /// Matches any number of comments / doc comments. + AnyComment, + Ident(&'a str), CaptureIdent, LitStr, CaptureLitStr, @@ -431,29 +464,26 @@ pub enum Token { OpenBracket, OpenParen, Pound, + Semi, + Slash, } pub struct RustSearcher<'txt> { text: &'txt str, cursor: lexer::Cursor<'txt>, pos: u32, - - // Either the next token or a zero-sized whitespace sentinel. next_token: lexer::Token, } impl<'txt> RustSearcher<'txt> { #[must_use] + #[expect(clippy::inconsistent_struct_constructor)] pub fn new(text: &'txt str) -> Self { + let mut cursor = lexer::Cursor::new(text, FrontmatterAllowed::Yes); Self { text, - cursor: lexer::Cursor::new(text, FrontmatterAllowed::Yes), pos: 0, - - // Sentinel value indicating there is no read token. - next_token: lexer::Token { - len: 0, - kind: lexer::TokenKind::Whitespace, - }, + next_token: cursor.advance_token(), + cursor, } } @@ -463,6 +493,11 @@ impl<'txt> RustSearcher<'txt> { } #[must_use] + pub fn peek_len(&self) -> u32 { + self.next_token.len + } + + #[must_use] pub fn peek(&self) -> lexer::TokenKind { self.next_token.kind } @@ -485,37 +520,15 @@ impl<'txt> RustSearcher<'txt> { /// Consumes the next token if it matches the requested value and captures the value if /// requested. Returns true if a token was matched. - fn read_token(&mut self, token: Token, captures: &mut slice::IterMut<'_, &mut &'txt str>) -> bool { + fn read_token(&mut self, token: Token<'_>, captures: &mut slice::IterMut<'_, &mut &'txt str>) -> bool { loop { match (token, self.next_token.kind) { - // Has to be the first match arm so the empty sentinel token will be handled. - // This will also skip all whitespace/comments preceding any tokens. - ( - _, - lexer::TokenKind::Whitespace - | lexer::TokenKind::LineComment { doc_style: None } - | lexer::TokenKind::BlockComment { - doc_style: None, - terminated: true, - }, - ) => { - self.step(); - if self.at_end() { - // `AnyDoc` always matches. - return matches!(token, Token::AnyDoc); - } - }, - ( - Token::AnyDoc, + (_, lexer::TokenKind::Whitespace) + | ( + Token::AnyComment, lexer::TokenKind::BlockComment { terminated: true, .. } | lexer::TokenKind::LineComment { .. }, - ) => { - self.step(); - if self.at_end() { - // `AnyDoc` always matches. - return true; - } - }, - (Token::AnyDoc, _) => return true, + ) => self.step(), + (Token::AnyComment, _) => return true, (Token::Bang, lexer::TokenKind::Bang) | (Token::CloseBrace, lexer::TokenKind::CloseBrace) | (Token::CloseBracket, lexer::TokenKind::CloseBracket) @@ -529,6 +542,8 @@ impl<'txt> RustSearcher<'txt> { | (Token::OpenBracket, lexer::TokenKind::OpenBracket) | (Token::OpenParen, lexer::TokenKind::OpenParen) | (Token::Pound, lexer::TokenKind::Pound) + | (Token::Semi, lexer::TokenKind::Semi) + | (Token::Slash, lexer::TokenKind::Slash) | ( Token::LitStr, lexer::TokenKind::Literal { @@ -569,7 +584,7 @@ impl<'txt> RustSearcher<'txt> { } #[must_use] - pub fn find_token(&mut self, token: Token) -> bool { + pub fn find_token(&mut self, token: Token<'_>) -> bool { let mut capture = [].iter_mut(); while !self.read_token(token, &mut capture) { self.step(); @@ -581,7 +596,7 @@ impl<'txt> RustSearcher<'txt> { } #[must_use] - pub fn find_capture_token(&mut self, token: Token) -> Option<&'txt str> { + pub fn find_capture_token(&mut self, token: Token<'_>) -> Option<&'txt str> { let mut res = ""; let mut capture = &mut res; let mut capture = slice::from_mut(&mut capture).iter_mut(); @@ -595,7 +610,7 @@ impl<'txt> RustSearcher<'txt> { } #[must_use] - pub fn match_tokens(&mut self, tokens: &[Token], captures: &mut [&mut &'txt str]) -> bool { + pub fn match_tokens(&mut self, tokens: &[Token<'_>], captures: &mut [&mut &'txt str]) -> bool { let mut captures = captures.iter_mut(); tokens.iter().all(|&t| self.read_token(t, &mut captures)) } @@ -606,21 +621,160 @@ pub fn try_rename_file(old_name: &Path, new_name: &Path) -> bool { match OpenOptions::new().create_new(true).write(true).open(new_name) { Ok(file) => drop(file), Err(e) if matches!(e.kind(), io::ErrorKind::AlreadyExists | io::ErrorKind::NotFound) => return false, - Err(e) => panic_file(&e, FileAction::Create, new_name), + Err(ref e) => panic_action(e, ErrAction::Create, new_name), } match fs::rename(old_name, new_name) { Ok(()) => true, - Err(e) => { + Err(ref e) => { drop(fs::remove_file(new_name)); - if e.kind() == io::ErrorKind::NotFound { + // `NotADirectory` happens on posix when renaming a directory to an existing file. + // Windows will ignore this and rename anyways. + if matches!(e.kind(), io::ErrorKind::NotFound | io::ErrorKind::NotADirectory) { false } else { - panic_file(&e, FileAction::Rename, old_name); + panic_action(e, ErrAction::Rename, old_name); + } + }, + } +} + +#[expect(clippy::must_use_candidate)] +pub fn try_rename_dir(old_name: &Path, new_name: &Path) -> bool { + match fs::create_dir(new_name) { + Ok(()) => {}, + Err(e) if matches!(e.kind(), io::ErrorKind::AlreadyExists | io::ErrorKind::NotFound) => return false, + Err(ref e) => panic_action(e, ErrAction::Create, new_name), + } + // Windows can't reliably rename to an empty directory. + #[cfg(windows)] + drop(fs::remove_dir(new_name)); + match fs::rename(old_name, new_name) { + Ok(()) => true, + Err(ref e) => { + // Already dropped earlier on windows. + #[cfg(not(windows))] + drop(fs::remove_dir(new_name)); + // `NotADirectory` happens on posix when renaming a file to an existing directory. + if matches!(e.kind(), io::ErrorKind::NotFound | io::ErrorKind::NotADirectory) { + false + } else { + panic_action(e, ErrAction::Rename, old_name); } }, } } pub fn write_file(path: &Path, contents: &str) { - fs::write(path, contents).unwrap_or_else(|e| panic_file(&e, FileAction::Write, path)); + expect_action(fs::write(path, contents), ErrAction::Write, path); +} + +#[must_use] +pub fn run_with_output(path: &(impl AsRef<Path> + ?Sized), cmd: &mut Command) -> Vec<u8> { + fn f(path: &Path, cmd: &mut Command) -> Vec<u8> { + let output = expect_action( + cmd.stdin(Stdio::null()) + .stdout(Stdio::piped()) + .stderr(Stdio::inherit()) + .output(), + ErrAction::Run, + path, + ); + expect_action(output.status.exit_ok(), ErrAction::Run, path); + output.stdout + } + f(path.as_ref(), cmd) +} + +/// Splits an argument list across multiple `Command` invocations. +/// +/// The argument list will be split into a number of batches based on +/// `thread::available_parallelism`, with `min_batch_size` setting a lower bound on the size of each +/// batch. +/// +/// If the size of the arguments would exceed the system limit additional batches will be created. +pub fn split_args_for_threads( + min_batch_size: usize, + make_cmd: impl FnMut() -> Command, + args: impl ExactSizeIterator<Item: AsRef<OsStr>>, +) -> impl Iterator<Item = Command> { + struct Iter<F, I> { + make_cmd: F, + args: I, + min_batch_size: usize, + batch_size: usize, + thread_count: usize, + } + impl<F, I> Iterator for Iter<F, I> + where + F: FnMut() -> Command, + I: ExactSizeIterator<Item: AsRef<OsStr>>, + { + type Item = Command; + fn next(&mut self) -> Option<Self::Item> { + if self.thread_count > 1 { + self.thread_count -= 1; + } + let mut cmd = (self.make_cmd)(); + let mut cmd_len = 0usize; + for arg in self.args.by_ref().take(self.batch_size) { + cmd.arg(arg.as_ref()); + // `+ 8` to account for the `argv` pointer on unix. + // Windows is complicated since the arguments are first converted to UTF-16ish, + // but this needs to account for the space between arguments and whatever additional + // is needed to escape within an argument. + cmd_len += arg.as_ref().len() + 8; + cmd_len += 8; + + // Windows has a command length limit of 32767. For unix systems this is more + // complicated since the limit includes environment variables and room needs to be + // left to edit them once the program starts, but the total size comes from + // `getconf ARG_MAX`. + // + // For simplicity we use 30000 here under a few assumptions. + // * Individual arguments aren't super long (the final argument is still added) + // * `ARG_MAX` is set to a reasonable amount. Basically every system will be configured way above + // what windows supports, but POSIX only requires `4096`. + if cmd_len > 30000 { + self.batch_size = self.args.len().div_ceil(self.thread_count).max(self.min_batch_size); + break; + } + } + (cmd_len != 0).then_some(cmd) + } + } + let thread_count = thread::available_parallelism().map_or(1, NonZero::get); + let batch_size = args.len().div_ceil(thread_count).max(min_batch_size); + Iter { + make_cmd, + args, + min_batch_size, + batch_size, + thread_count, + } +} + +#[expect(clippy::must_use_candidate)] +pub fn delete_file_if_exists(path: &Path) -> bool { + match fs::remove_file(path) { + Ok(()) => true, + Err(e) if matches!(e.kind(), io::ErrorKind::NotFound | io::ErrorKind::IsADirectory) => false, + Err(ref e) => panic_action(e, ErrAction::Delete, path), + } +} + +pub fn delete_dir_if_exists(path: &Path) { + match fs::remove_dir_all(path) { + Ok(()) => {}, + Err(e) if matches!(e.kind(), io::ErrorKind::NotFound | io::ErrorKind::NotADirectory) => {}, + Err(ref e) => panic_action(e, ErrAction::Delete, path), + } +} + +/// Walks all items excluding top-level dot files/directories and any target directories. +pub fn walk_dir_no_dot_or_target() -> impl Iterator<Item = ::walkdir::Result<::walkdir::DirEntry>> { + WalkDir::new(".").into_iter().filter_entry(|e| { + e.path() + .file_name() + .is_none_or(|x| x != "target" && x.as_encoded_bytes().first().copied() != Some(b'.')) + }) } diff --git a/src/tools/clippy/clippy_lints/Cargo.toml b/src/tools/clippy/clippy_lints/Cargo.toml index 7e3cb404247..39e4e2e365e 100644 --- a/src/tools/clippy/clippy_lints/Cargo.toml +++ b/src/tools/clippy/clippy_lints/Cargo.toml @@ -1,8 +1,6 @@ [package] name = "clippy_lints" -# begin autogenerated version version = "0.1.89" -# end autogenerated version description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" diff --git a/src/tools/clippy/clippy_lints/src/approx_const.rs b/src/tools/clippy/clippy_lints/src/approx_const.rs index 9ae746c13b2..852e48cbcae 100644 --- a/src/tools/clippy/clippy_lints/src/approx_const.rs +++ b/src/tools/clippy/clippy_lints/src/approx_const.rs @@ -2,7 +2,7 @@ use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::msrvs::{self, Msrv}; use rustc_ast::ast::{FloatTy, LitFloatType, LitKind}; -use rustc_attr_parsing::RustcVersion; +use rustc_attr_data_structures::RustcVersion; use rustc_hir::{HirId, Lit}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; diff --git a/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs b/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs index 272444475c0..59a0c7c8868 100644 --- a/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs +++ b/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs @@ -6,9 +6,10 @@ use clippy_config::types::{ }; use clippy_utils::diagnostics::span_lint_and_note; use clippy_utils::is_cfg_test; +use rustc_attr_data_structures::AttributeKind; use rustc_hir::{ - AssocItemKind, FieldDef, HirId, ImplItemRef, IsAuto, Item, ItemKind, Mod, QPath, TraitItemRef, TyKind, Variant, - VariantData, + AssocItemKind, Attribute, FieldDef, HirId, ImplItemRef, IsAuto, Item, ItemKind, Mod, QPath, TraitItemRef, TyKind, + Variant, VariantData, }; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; @@ -28,6 +29,11 @@ declare_clippy_lint! { /// implemented in the code. Sometimes this will be referred to as /// "bikeshedding". /// + /// The content of items with a representation clause attribute, such as + /// `#[repr(C)]` will not be checked, as the order of their fields or + /// variants might be dictated by an external API (application binary + /// interface). + /// /// ### Default Ordering and Configuration /// /// As there is no generally applicable rule, and each project may have @@ -256,8 +262,17 @@ impl ArbitrarySourceItemOrdering { impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { + if cx + .tcx + .hir_attrs(item.hir_id()) + .iter() + .any(|attr| matches!(attr, Attribute::Parsed(AttributeKind::Repr(..)))) + { + // Do not lint items with a `#[repr]` attribute as their layout may be imposed by an external API. + return; + } match &item.kind { - ItemKind::Enum(_, enum_def, _generics) if self.enable_ordering_for_enum => { + ItemKind::Enum(_, _generics, enum_def) if self.enable_ordering_for_enum => { let mut cur_v: Option<&Variant<'_>> = None; for variant in enum_def.variants { if variant.span.in_external_macro(cx.sess().source_map()) { @@ -273,7 +288,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering { cur_v = Some(variant); } }, - ItemKind::Struct(_, VariantData::Struct { fields, .. }, _generics) if self.enable_ordering_for_struct => { + ItemKind::Struct(_, _generics, VariantData::Struct { fields, .. }) if self.enable_ordering_for_struct => { let mut cur_f: Option<&FieldDef<'_>> = None; for field in *fields { if field.span.in_external_macro(cx.sess().source_map()) { diff --git a/src/tools/clippy/clippy_lints/src/arc_with_non_send_sync.rs b/src/tools/clippy/clippy_lints/src/arc_with_non_send_sync.rs index 2643f850879..9e09fb5bb43 100644 --- a/src/tools/clippy/clippy_lints/src/arc_with_non_send_sync.rs +++ b/src/tools/clippy/clippy_lints/src/arc_with_non_send_sync.rs @@ -50,7 +50,7 @@ impl<'tcx> LateLintPass<'tcx> for ArcWithNonSendSync { && let arg_ty = cx.typeck_results().expr_ty(arg) // make sure that the type is not and does not contain any type parameters && arg_ty.walk().all(|arg| { - !matches!(arg.unpack(), GenericArgKind::Type(ty) if matches!(ty.kind(), ty::Param(_))) + !matches!(arg.kind(), GenericArgKind::Type(ty) if matches!(ty.kind(), ty::Param(_))) }) && let Some(send) = cx.tcx.get_diagnostic_item(sym::Send) && let Some(sync) = cx.tcx.lang_items().sync_trait() diff --git a/src/tools/clippy/clippy_lints/src/assertions_on_result_states.rs b/src/tools/clippy/clippy_lints/src/assertions_on_result_states.rs index c073dee855e..6f2a6a36a38 100644 --- a/src/tools/clippy/clippy_lints/src/assertions_on_result_states.rs +++ b/src/tools/clippy/clippy_lints/src/assertions_on_result_states.rs @@ -3,14 +3,13 @@ use clippy_utils::macros::{PanicExpn, find_assert_args, root_macro_call_first_no use clippy_utils::source::snippet_with_context; use clippy_utils::ty::{has_debug_impl, is_copy, is_type_diagnostic_item}; use clippy_utils::usage::local_used_after_expr; -use clippy_utils::{is_expr_final_block_expr, path_res}; +use clippy_utils::{is_expr_final_block_expr, path_res, sym}; use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty}; use rustc_session::declare_lint_pass; -use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -68,11 +67,11 @@ impl<'tcx> LateLintPass<'tcx> for AssertionsOnResultStates { return; } } - let (message, replacement) = match method_segment.ident.as_str() { - "is_ok" if type_suitable_to_unwrap(cx, args.type_at(1)) => { + let (message, replacement) = match method_segment.ident.name { + sym::is_ok if type_suitable_to_unwrap(cx, args.type_at(1)) => { ("called `assert!` with `Result::is_ok`", "unwrap") }, - "is_err" if type_suitable_to_unwrap(cx, args.type_at(0)) => { + sym::is_err if type_suitable_to_unwrap(cx, args.type_at(0)) => { ("called `assert!` with `Result::is_err`", "unwrap_err") }, _ => return, diff --git a/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs b/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs index df01c7fde18..05d8a8c26d1 100644 --- a/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs +++ b/src/tools/clippy/clippy_lints/src/attrs/repr_attributes.rs @@ -1,4 +1,4 @@ -use rustc_attr_parsing::{AttributeKind, ReprAttr, find_attr}; +use rustc_attr_data_structures::{AttributeKind, ReprAttr, find_attr}; use rustc_hir::Attribute; use rustc_lint::LateContext; use rustc_span::Span; diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs index bc6ba84772b..7c6fd91ca67 100644 --- a/src/tools/clippy/clippy_lints/src/booleans.rs +++ b/src/tools/clippy/clippy_lints/src/booleans.rs @@ -6,7 +6,7 @@ use clippy_utils::source::SpanRangeExt; use clippy_utils::sugg::Sugg; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; use rustc_ast::ast::LitKind; -use rustc_attr_parsing::RustcVersion; +use rustc_attr_data_structures::RustcVersion; use rustc_errors::Applicability; use rustc_hir::intravisit::{FnKind, Visitor, walk_expr}; use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, UnOp}; diff --git a/src/tools/clippy/clippy_lints/src/casts/cast_possible_truncation.rs b/src/tools/clippy/clippy_lints/src/casts/cast_possible_truncation.rs index e92879b853d..4120e5c8cb7 100644 --- a/src/tools/clippy/clippy_lints/src/casts/cast_possible_truncation.rs +++ b/src/tools/clippy/clippy_lints/src/casts/cast_possible_truncation.rs @@ -56,7 +56,7 @@ fn apply_reductions(cx: &LateContext<'_>, nbits: u64, expr: &Expr<'_>, signed: b if signed { return nbits; } - let max_bits = if method.ident.as_str() == "min" { + let max_bits = if method.ident.name == sym::min { get_constant_bits(cx, right) } else { None @@ -64,7 +64,7 @@ fn apply_reductions(cx: &LateContext<'_>, nbits: u64, expr: &Expr<'_>, signed: b apply_reductions(cx, nbits, left, signed).min(max_bits.unwrap_or(u64::MAX)) }, ExprKind::MethodCall(method, _, [lo, hi], _) => { - if method.ident.as_str() == "clamp" + if method.ident.name == sym::clamp //FIXME: make this a diagnostic item && let (Some(lo_bits), Some(hi_bits)) = (get_constant_bits(cx, lo), get_constant_bits(cx, hi)) { diff --git a/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs b/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs index c8abf9dac9a..9a1ad8a7473 100644 --- a/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs +++ b/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs @@ -4,10 +4,11 @@ use std::ops::ControlFlow; use clippy_utils::consts::{ConstEvalCtxt, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::visitors::{Descend, for_each_expr_without_closures}; -use clippy_utils::{method_chain_args, sext}; +use clippy_utils::{method_chain_args, sext, sym}; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::LateContext; use rustc_middle::ty::{self, Ty}; +use rustc_span::Symbol; use super::CAST_SIGN_LOSS; @@ -16,24 +17,24 @@ use super::CAST_SIGN_LOSS; /// /// Methods that can overflow and return a negative value must not be included in this list, /// because casting their return values can still result in sign loss. -const METHODS_RET_POSITIVE: &[&str] = &[ - "checked_abs", - "saturating_abs", - "isqrt", - "checked_isqrt", - "rem_euclid", - "checked_rem_euclid", - "wrapping_rem_euclid", +const METHODS_RET_POSITIVE: &[Symbol] = &[ + sym::checked_abs, + sym::saturating_abs, + sym::isqrt, + sym::checked_isqrt, + sym::rem_euclid, + sym::checked_rem_euclid, + sym::wrapping_rem_euclid, ]; /// A list of methods that act like `pow()`. See `pow_call_result_sign()` for details. /// /// Methods that can overflow and return a negative value must not be included in this list, /// because casting their return values can still result in sign loss. -const METHODS_POW: &[&str] = &["pow", "saturating_pow", "checked_pow"]; +const METHODS_POW: &[Symbol] = &[sym::pow, sym::saturating_pow, sym::checked_pow]; /// A list of methods that act like `unwrap()`, and don't change the sign of the inner value. -const METHODS_UNWRAP: &[&str] = &["unwrap", "unwrap_unchecked", "expect", "into_ok"]; +const METHODS_UNWRAP: &[Symbol] = &[sym::unwrap, sym::unwrap_unchecked, sym::expect, sym::into_ok]; pub(super) fn check<'cx>( cx: &LateContext<'cx>, @@ -129,7 +130,7 @@ fn expr_sign<'cx, 'tcx>(cx: &LateContext<'cx>, mut expr: &'tcx Expr<'tcx>, ty: i // Calling on methods that always return non-negative values. if let ExprKind::MethodCall(path, caller, args, ..) = expr.kind { - let mut method_name = path.ident.name.as_str(); + let mut method_name = path.ident.name; // Peel unwrap(), expect(), etc. while let Some(&found_name) = METHODS_UNWRAP.iter().find(|&name| &method_name == name) @@ -138,7 +139,7 @@ fn expr_sign<'cx, 'tcx>(cx: &LateContext<'cx>, mut expr: &'tcx Expr<'tcx>, ty: i { // The original type has changed, but we can't use `ty` here anyway, because it has been // moved. - method_name = inner_path.ident.name.as_str(); + method_name = inner_path.ident.name; expr = recv; } diff --git a/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs index 31cdd078f45..769cc120c95 100644 --- a/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs +++ b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs @@ -1,11 +1,12 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet_with_applicability; +use clippy_utils::sym; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; use rustc_middle::ty::{self, GenericArg, Ty}; +use rustc_span::Symbol; use rustc_span::def_id::DefId; -use rustc_span::{Symbol, sym}; use super::CONFUSING_METHOD_TO_NUMERIC_CAST; @@ -25,7 +26,6 @@ fn get_const_name_and_ty_name( method_def_id: DefId, generics: &[GenericArg<'_>], ) -> Option<(&'static str, &'static str)> { - let method_name = method_name.as_str(); let diagnostic_name = cx.tcx.get_diagnostic_name(method_def_id); let ty_name = if diagnostic_name.is_some_and(|diag| diag == sym::cmp_ord_min || diag == sym::cmp_ord_max) { @@ -39,14 +39,21 @@ fn get_const_name_and_ty_name( } } else if let Some(impl_id) = cx.tcx.impl_of_method(method_def_id) && let Some(ty_name) = get_primitive_ty_name(cx.tcx.type_of(impl_id).instantiate_identity()) - && ["min", "max", "minimum", "maximum", "min_value", "max_value"].contains(&method_name) + && matches!( + method_name, + sym::min | sym::max | sym::minimum | sym::maximum | sym::min_value | sym::max_value + ) { ty_name } else { return None; }; - let const_name = if method_name.starts_with("max") { "MAX" } else { "MIN" }; + let const_name = if matches!(method_name, sym::max | sym::maximum | sym::max_value) { + "MAX" + } else { + "MIN" + }; Some((const_name, ty_name)) } diff --git a/src/tools/clippy/clippy_lints/src/casts/ptr_cast_constness.rs b/src/tools/clippy/clippy_lints/src/casts/ptr_cast_constness.rs index 2471c735551..c0c0a47f855 100644 --- a/src/tools/clippy/clippy_lints/src/casts/ptr_cast_constness.rs +++ b/src/tools/clippy/clippy_lints/src/casts/ptr_cast_constness.rs @@ -1,12 +1,11 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::std_or_core; use clippy_utils::sugg::Sugg; +use clippy_utils::{std_or_core, sym}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, Mutability, QPath}; use rustc_lint::LateContext; use rustc_middle::ty::{self, Ty, TypeVisitableExt}; -use rustc_span::sym; use super::PTR_CAST_CONSTNESS; @@ -78,9 +77,9 @@ pub(super) fn check_null_ptr_cast_method(cx: &LateContext<'_>, expr: &Expr<'_>) && let ExprKind::Call(func, []) = cast_expr.kind && let ExprKind::Path(QPath::Resolved(None, path)) = func.kind && let Some(defid) = path.res.opt_def_id() - && let method = match (cx.tcx.get_diagnostic_name(defid), method.ident.as_str()) { - (Some(sym::ptr_null), "cast_mut") => "null_mut", - (Some(sym::ptr_null_mut), "cast_const") => "null", + && let method = match (cx.tcx.get_diagnostic_name(defid), method.ident.name) { + (Some(sym::ptr_null), sym::cast_mut) => "null_mut", + (Some(sym::ptr_null_mut), sym::cast_const) => "null", _ => return, } && let Some(prefix) = std_or_core(cx) diff --git a/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs b/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs index 1d44c7e9c88..5c64216dd92 100644 --- a/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs +++ b/src/tools/clippy/clippy_lints/src/cognitive_complexity.rs @@ -3,14 +3,14 @@ use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::source::{IntoSpan, SpanRangeExt}; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::visitors::for_each_expr_without_closures; -use clippy_utils::{LimitStack, get_async_fn_body, is_async_fn}; +use clippy_utils::{LimitStack, get_async_fn_body, is_async_fn, sym}; use core::ops::ControlFlow; use rustc_hir::intravisit::FnKind; use rustc_hir::{Attribute, Body, Expr, ExprKind, FnDecl}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; +use rustc_span::Span; use rustc_span::def_id::LocalDefId; -use rustc_span::{Span, sym}; declare_clippy_lint! { /// ### What it does @@ -104,7 +104,7 @@ impl CognitiveComplexity { FnKind::Closure => { let header_span = body_span.with_hi(decl.output.span().lo()); #[expect(clippy::range_plus_one)] - if let Some(range) = header_span.map_range(cx, |src, range| { + if let Some(range) = header_span.map_range(cx, |_, src, range| { let mut idxs = src.get(range.clone())?.match_indices('|'); Some(range.start + idxs.next()?.0..range.start + idxs.next()?.0 + 1) }) { @@ -157,9 +157,9 @@ impl<'tcx> LateLintPass<'tcx> for CognitiveComplexity { } fn check_attributes(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) { - self.limit.push_attrs(cx.sess(), attrs, "cognitive_complexity"); + self.limit.push_attrs(cx.sess(), attrs, sym::cognitive_complexity); } fn check_attributes_post(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) { - self.limit.pop_attrs(cx.sess(), attrs, "cognitive_complexity"); + self.limit.pop_attrs(cx.sess(), attrs, sym::cognitive_complexity); } } diff --git a/src/tools/clippy/clippy_lints/src/comparison_chain.rs b/src/tools/clippy/clippy_lints/src/comparison_chain.rs index 9c3009a86cd..238ebd4a444 100644 --- a/src/tools/clippy/clippy_lints/src/comparison_chain.rs +++ b/src/tools/clippy/clippy_lints/src/comparison_chain.rs @@ -75,11 +75,15 @@ impl<'tcx> LateLintPass<'tcx> for ComparisonChain { } // Check that there exists at least one explicit else condition - let (conds, _) = if_sequence(expr); + let (conds, blocks) = if_sequence(expr); if conds.len() < 2 { return; } + if blocks.len() < 3 { + return; + } + for cond in conds.windows(2) { if let (&ExprKind::Binary(ref kind1, lhs1, rhs1), &ExprKind::Binary(ref kind2, lhs2, rhs2)) = (&cond[0].kind, &cond[1].kind) @@ -125,6 +129,7 @@ impl<'tcx> LateLintPass<'tcx> for ComparisonChain { let ExprKind::Binary(_, lhs, rhs) = conds[0].kind else { unreachable!(); }; + let lhs = Sugg::hir(cx, lhs, "..").maybe_paren(); let rhs = Sugg::hir(cx, rhs, "..").addr(); span_lint_and_sugg( diff --git a/src/tools/clippy/clippy_lints/src/copies.rs b/src/tools/clippy/clippy_lints/src/copies.rs index 42fbe6438d4..2467fc95fd0 100644 --- a/src/tools/clippy/clippy_lints/src/copies.rs +++ b/src/tools/clippy/clippy_lints/src/copies.rs @@ -1,5 +1,5 @@ use clippy_config::Conf; -use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint, span_lint_and_note, span_lint_and_then}; use clippy_utils::source::{IntoSpan, SpanRangeExt, first_line_of_span, indent_of, reindent_multiline, snippet}; use clippy_utils::ty::{InteriorMut, needs_ordered_drop}; use clippy_utils::visitors::for_each_expr_without_closures; @@ -258,7 +258,7 @@ fn lint_branches_sharing_code<'tcx>( let span = span.with_hi(last_block.span.hi()); // Improve formatting if the inner block has indentation (i.e. normal Rust formatting) let span = span - .map_range(cx, |src, range| { + .map_range(cx, |_, src, range| { (range.start > 4 && src.get(range.start - 4..range.start)? == " ") .then_some(range.start - 4..range.end) }) @@ -567,7 +567,7 @@ fn method_caller_is_mutable<'tcx>( /// Implementation of `IFS_SAME_COND`. fn lint_same_cond<'tcx>(cx: &LateContext<'tcx>, conds: &[&Expr<'_>], interior_mut: &mut InteriorMut<'tcx>) { - for (i, j) in search_same( + for group in search_same( conds, |e| hash_expr(cx, e), |lhs, rhs| { @@ -584,14 +584,8 @@ fn lint_same_cond<'tcx>(cx: &LateContext<'tcx>, conds: &[&Expr<'_>], interior_mu } }, ) { - span_lint_and_note( - cx, - IFS_SAME_COND, - j.span, - "this `if` has the same condition as a previous `if`", - Some(i.span), - "same as this", - ); + let spans: Vec<_> = group.into_iter().map(|expr| expr.span).collect(); + span_lint(cx, IFS_SAME_COND, spans, "these `if` branches have the same condition"); } } @@ -609,14 +603,13 @@ fn lint_same_fns_in_if_cond(cx: &LateContext<'_>, conds: &[&Expr<'_>]) { SpanlessEq::new(cx).eq_expr(lhs, rhs) }; - for (i, j) in search_same(conds, |e| hash_expr(cx, e), eq) { - span_lint_and_note( + for group in search_same(conds, |e| hash_expr(cx, e), eq) { + let spans: Vec<_> = group.into_iter().map(|expr| expr.span).collect(); + span_lint( cx, SAME_FUNCTIONS_IN_IF_CONDITION, - j.span, - "this `if` has the same function call as a previous `if`", - Some(i.span), - "same as this", + spans, + "these `if` branches have the same function call", ); } } diff --git a/src/tools/clippy/clippy_lints/src/dbg_macro.rs b/src/tools/clippy/clippy_lints/src/dbg_macro.rs index 06376c57119..152516baf73 100644 --- a/src/tools/clippy/clippy_lints/src/dbg_macro.rs +++ b/src/tools/clippy/clippy_lints/src/dbg_macro.rs @@ -5,7 +5,7 @@ use clippy_utils::macros::{MacroCall, macro_backtrace}; use clippy_utils::source::snippet_with_applicability; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, Node}; +use rustc_hir::{Closure, ClosureKind, CoroutineKind, Expr, ExprKind, LetStmt, LocalSource, Node, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; use rustc_span::{Span, SyntaxContext, sym}; @@ -60,6 +60,8 @@ impl LateLintPass<'_> for DbgMacro { if cur_syntax_ctxt != self.prev_ctxt && let Some(macro_call) = first_dbg_macro_in_expansion(cx, expr.span) && !macro_call.span.in_external_macro(cx.sess().source_map()) && + // avoids exprs generated by the desugaring of coroutines + !is_coroutine_desugar(expr) && self.checked_dbg_call_site.insert(macro_call.span) && // allows `dbg!` in test code if allow-dbg-in-test is set to true in clippy.toml !(self.allow_dbg_in_tests && is_in_test(cx.tcx, expr.hir_id)) @@ -73,50 +75,51 @@ impl LateLintPass<'_> for DbgMacro { "the `dbg!` macro is intended as a debugging tool", |diag| { let mut applicability = Applicability::MachineApplicable; - - let (sugg_span, suggestion) = match expr.peel_drop_temps().kind { - // dbg!() - ExprKind::Block(..) => { - // If the `dbg!` macro is a "free" statement and not contained within other expressions, - // remove the whole statement. - if let Node::Stmt(_) = cx.tcx.parent_hir_node(expr.hir_id) - && let Some(semi_span) = cx.sess().source_map().mac_call_stmt_semi_span(macro_call.span) - { - (macro_call.span.to(semi_span), String::new()) - } else { - (macro_call.span, String::from("()")) - } - }, - // dbg!(1) - ExprKind::Match(val, ..) => ( - macro_call.span, - snippet_with_applicability(cx, val.span.source_callsite(), "..", &mut applicability) - .to_string(), - ), - // dbg!(2, 3) - ExprKind::Tup( - [ - Expr { - kind: ExprKind::Match(first, ..), - .. - }, - .., - Expr { - kind: ExprKind::Match(last, ..), - .. - }, - ], - ) => { - let snippet = snippet_with_applicability( - cx, - first.span.source_callsite().to(last.span.source_callsite()), - "..", - &mut applicability, - ); - (macro_call.span, format!("({snippet})")) - }, - _ => unreachable!(), - }; + let (sugg_span, suggestion) = + match is_async_move_desugar(expr).unwrap_or(expr).peel_drop_temps().kind { + // dbg!() + ExprKind::Block(..) => { + // If the `dbg!` macro is a "free" statement and not contained within other expressions, + // remove the whole statement. + if let Node::Stmt(_) = cx.tcx.parent_hir_node(expr.hir_id) + && let Some(semi_span) = + cx.sess().source_map().mac_call_stmt_semi_span(macro_call.span) + { + (macro_call.span.to(semi_span), String::new()) + } else { + (macro_call.span, String::from("()")) + } + }, + // dbg!(1) + ExprKind::Match(val, ..) => ( + macro_call.span, + snippet_with_applicability(cx, val.span.source_callsite(), "..", &mut applicability) + .to_string(), + ), + // dbg!(2, 3) + ExprKind::Tup( + [ + Expr { + kind: ExprKind::Match(first, ..), + .. + }, + .., + Expr { + kind: ExprKind::Match(last, ..), + .. + }, + ], + ) => { + let snippet = snippet_with_applicability( + cx, + first.span.source_callsite().to(last.span.source_callsite()), + "..", + &mut applicability, + ); + (macro_call.span, format!("({snippet})")) + }, + _ => unreachable!(), + }; diag.span_suggestion( sugg_span, @@ -134,6 +137,35 @@ impl LateLintPass<'_> for DbgMacro { } } +fn is_coroutine_desugar(expr: &Expr<'_>) -> bool { + matches!( + expr.kind, + ExprKind::Closure(Closure { + kind: ClosureKind::Coroutine(CoroutineKind::Desugared(..)) | ClosureKind::CoroutineClosure(..), + .. + }) + ) +} + +fn is_async_move_desugar<'tcx>(expr: &'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> { + if let ExprKind::Block(block, _) = expr.kind + && let [ + Stmt { + kind: + StmtKind::Let(LetStmt { + source: LocalSource::AsyncFn, + .. + }), + .. + }, + ] = block.stmts + { + return block.expr; + } + + None +} + fn first_dbg_macro_in_expansion(cx: &LateContext<'_>, span: Span) -> Option<MacroCall> { macro_backtrace(span).find(|mc| cx.tcx.is_diagnostic_item(sym::dbg_macro, mc.def_id)) } diff --git a/src/tools/clippy/clippy_lints/src/declared_lints.rs b/src/tools/clippy/clippy_lints/src/declared_lints.rs index bb825c7655f..5fcb851dfeb 100644 --- a/src/tools/clippy/clippy_lints/src/declared_lints.rs +++ b/src/tools/clippy/clippy_lints/src/declared_lints.rs @@ -764,6 +764,7 @@ pub static LINTS: &[&crate::LintInfo] = &[ crate::unwrap_in_result::UNWRAP_IN_RESULT_INFO, crate::upper_case_acronyms::UPPER_CASE_ACRONYMS_INFO, crate::use_self::USE_SELF_INFO, + crate::useless_concat::USELESS_CONCAT_INFO, crate::useless_conversion::USELESS_CONVERSION_INFO, crate::vec::USELESS_VEC_INFO, crate::vec_init_then_push::VEC_INIT_THEN_PUSH_INFO, diff --git a/src/tools/clippy/clippy_lints/src/default_union_representation.rs b/src/tools/clippy/clippy_lints/src/default_union_representation.rs index 7c64bf46e7b..615421f3a40 100644 --- a/src/tools/clippy/clippy_lints/src/default_union_representation.rs +++ b/src/tools/clippy/clippy_lints/src/default_union_representation.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_then; -use rustc_attr_parsing::{AttributeKind, ReprAttr, find_attr}; +use rustc_attr_data_structures::{AttributeKind, ReprAttr, find_attr}; use rustc_hir::{HirId, Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf; diff --git a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs index 94651538669..5204f73ea0a 100644 --- a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs +++ b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs @@ -14,36 +14,36 @@ macro_rules! declare_with_version { #[rustfmt::skip] declare_with_version! { DEPRECATED(DEPRECATED_VERSION) = [ - #[clippy::version = "pre 1.29.0"] - ("clippy::should_assert_eq", "`assert!(a == b)` can now print the values the same way `assert_eq!(a, b) can"), + #[clippy::version = "1.30.0"] + ("clippy::assign_ops", "compound operators are harmless and linting on them is not in scope for clippy"), #[clippy::version = "pre 1.29.0"] ("clippy::extend_from_slice", "`Vec::extend_from_slice` is no longer faster than `Vec::extend` due to specialization"), + #[clippy::version = "1.86.0"] + ("clippy::match_on_vec_items", "`clippy::indexing_slicing` covers indexing and slicing on `Vec<_>`"), + #[clippy::version = "pre 1.29.0"] + ("clippy::misaligned_transmute", "split into `clippy::cast_ptr_alignment` and `clippy::transmute_ptr_to_ptr`"), + #[clippy::version = "1.86.0"] + ("clippy::option_map_or_err_ok", "`clippy::manual_ok_or` covers this case"), + #[clippy::version = "1.54.0"] + ("clippy::pub_enum_variant_names", "`clippy::enum_variant_names` now covers this case via the `avoid-breaking-exported-api` config"), #[clippy::version = "pre 1.29.0"] ("clippy::range_step_by_zero", "`Iterator::step_by(0)` now panics and is no longer an infinite iterator"), + #[clippy::version = "1.47.0"] + ("clippy::regex_macro", "the `regex!` macro was removed from the regex crate in 2018"), + #[clippy::version = "1.44.0"] + ("clippy::replace_consts", "`min_value` and `max_value` are now deprecated"), #[clippy::version = "pre 1.29.0"] - ("clippy::unstable_as_slice", "`Vec::as_slice` is now stable"), + ("clippy::should_assert_eq", "`assert!(a == b)` can now print the values the same way `assert_eq!(a, b) can"), #[clippy::version = "pre 1.29.0"] - ("clippy::unstable_as_mut_slice", "`Vec::as_mut_slice` is now stable"), + ("clippy::unsafe_vector_initialization", "the suggested alternative could be substantially slower"), #[clippy::version = "pre 1.29.0"] - ("clippy::misaligned_transmute", "split into `clippy::cast_ptr_alignment` and `clippy::transmute_ptr_to_ptr`"), - #[clippy::version = "1.30.0"] - ("clippy::assign_ops", "compound operators are harmless and linting on them is not in scope for clippy"), + ("clippy::unstable_as_mut_slice", "`Vec::as_mut_slice` is now stable"), #[clippy::version = "pre 1.29.0"] - ("clippy::unsafe_vector_initialization", "the suggested alternative could be substantially slower"), + ("clippy::unstable_as_slice", "`Vec::as_slice` is now stable"), #[clippy::version = "1.39.0"] ("clippy::unused_collect", "`Iterator::collect` is now marked as `#[must_use]`"), - #[clippy::version = "1.44.0"] - ("clippy::replace_consts", "`min_value` and `max_value` are now deprecated"), - #[clippy::version = "1.47.0"] - ("clippy::regex_macro", "the `regex!` macro was removed from the regex crate in 2018"), - #[clippy::version = "1.54.0"] - ("clippy::pub_enum_variant_names", "`clippy::enum_variant_names` now covers this case via the `avoid-breaking-exported-api` config"), #[clippy::version = "1.54.0"] ("clippy::wrong_pub_self_convention", "`clippy::wrong_self_convention` now covers this case via the `avoid-breaking-exported-api` config"), - #[clippy::version = "1.86.0"] - ("clippy::option_map_or_err_ok", "`clippy::manual_ok_or` covers this case"), - #[clippy::version = "1.86.0"] - ("clippy::match_on_vec_items", "`clippy::indexing_slicing` covers indexing and slicing on `Vec<_>`"), ]} #[rustfmt::skip] @@ -61,6 +61,12 @@ declare_with_version! { RENAMED(RENAMED_VERSION) = [ #[clippy::version = ""] ("clippy::box_vec", "clippy::box_collection"), #[clippy::version = ""] + ("clippy::cast_ref_to_mut", "invalid_reference_casting"), + #[clippy::version = ""] + ("clippy::clone_double_ref", "suspicious_double_ref_op"), + #[clippy::version = ""] + ("clippy::cmp_nan", "invalid_nan_comparisons"), + #[clippy::version = ""] ("clippy::const_static_lifetime", "clippy::redundant_static_lifetimes"), #[clippy::version = ""] ("clippy::cyclomatic_complexity", "clippy::cognitive_complexity"), @@ -70,15 +76,35 @@ declare_with_version! { RENAMED(RENAMED_VERSION) = [ ("clippy::disallowed_method", "clippy::disallowed_methods"), #[clippy::version = ""] ("clippy::disallowed_type", "clippy::disallowed_types"), + #[clippy::version = "1.86.0"] + ("clippy::double_neg", "double_negations"), + #[clippy::version = ""] + ("clippy::drop_bounds", "drop_bounds"), + #[clippy::version = ""] + ("clippy::drop_copy", "dropping_copy_types"), + #[clippy::version = ""] + ("clippy::drop_ref", "dropping_references"), #[clippy::version = ""] ("clippy::eval_order_dependence", "clippy::mixed_read_write_in_expression"), - #[clippy::version = "1.51.0"] - ("clippy::find_map", "clippy::manual_find_map"), #[clippy::version = "1.53.0"] ("clippy::filter_map", "clippy::manual_filter_map"), + #[clippy::version = "1.51.0"] + ("clippy::find_map", "clippy::manual_find_map"), #[clippy::version = ""] ("clippy::fn_address_comparisons", "unpredictable_function_pointer_comparisons"), #[clippy::version = ""] + ("clippy::fn_null_check", "useless_ptr_null_checks"), + #[clippy::version = ""] + ("clippy::for_loop_over_option", "for_loops_over_fallibles"), + #[clippy::version = ""] + ("clippy::for_loop_over_result", "for_loops_over_fallibles"), + #[clippy::version = ""] + ("clippy::for_loops_over_fallibles", "for_loops_over_fallibles"), + #[clippy::version = ""] + ("clippy::forget_copy", "forgetting_copy_types"), + #[clippy::version = ""] + ("clippy::forget_ref", "forgetting_references"), + #[clippy::version = ""] ("clippy::identity_conversion", "clippy::useless_conversion"), #[clippy::version = "pre 1.29.0"] ("clippy::if_let_redundant_pattern_matching", "clippy::redundant_pattern_matching"), @@ -91,7 +117,25 @@ declare_with_version! { RENAMED(RENAMED_VERSION) = [ #[clippy::version = ""] ("clippy::integer_arithmetic", "clippy::arithmetic_side_effects"), #[clippy::version = ""] + ("clippy::into_iter_on_array", "array_into_iter"), + #[clippy::version = ""] + ("clippy::invalid_atomic_ordering", "invalid_atomic_ordering"), + #[clippy::version = "CURRENT_RUSTC_VERSION"] + ("clippy::invalid_null_ptr_usage", "invalid_null_arguments"), + #[clippy::version = ""] + ("clippy::invalid_ref", "invalid_value"), + #[clippy::version = ""] + ("clippy::invalid_utf8_in_unchecked", "invalid_from_utf8_unchecked"), + #[clippy::version = ""] + ("clippy::let_underscore_drop", "let_underscore_drop"), + #[clippy::version = ""] ("clippy::logic_bug", "clippy::overly_complex_bool_expr"), + #[clippy::version = "1.80.0"] + ("clippy::maybe_misused_cfg", "unexpected_cfgs"), + #[clippy::version = ""] + ("clippy::mem_discriminant_non_enum", "enum_intrinsics_non_enums"), + #[clippy::version = "1.80.0"] + ("clippy::mismatched_target_os", "unexpected_cfgs"), #[clippy::version = ""] ("clippy::new_without_default_derive", "clippy::new_without_default"), #[clippy::version = ""] @@ -107,6 +151,10 @@ declare_with_version! { RENAMED(RENAMED_VERSION) = [ #[clippy::version = ""] ("clippy::overflow_check_conditional", "clippy::panicking_overflow_checks"), #[clippy::version = ""] + ("clippy::panic_params", "non_fmt_panics"), + #[clippy::version = ""] + ("clippy::positional_named_format_parameters", "named_arguments_used_positionally"), + #[clippy::version = ""] ("clippy::ref_in_deref", "clippy::needless_borrow"), #[clippy::version = ""] ("clippy::result_expect_used", "clippy::expect_used"), @@ -115,67 +163,25 @@ declare_with_version! { RENAMED(RENAMED_VERSION) = [ #[clippy::version = ""] ("clippy::result_unwrap_used", "clippy::unwrap_used"), #[clippy::version = ""] + ("clippy::reverse_range_loop", "clippy::reversed_empty_ranges"), + #[clippy::version = ""] ("clippy::single_char_push_str", "clippy::single_char_add_str"), #[clippy::version = ""] ("clippy::stutter", "clippy::module_name_repetitions"), #[clippy::version = ""] + ("clippy::temporary_cstring_as_ptr", "dangling_pointers_from_temporaries"), + #[clippy::version = ""] ("clippy::thread_local_initializer_can_be_made_const", "clippy::missing_const_for_thread_local"), #[clippy::version = ""] ("clippy::to_string_in_display", "clippy::recursive_format_impl"), - #[clippy::version = ""] - ("clippy::unwrap_or_else_default", "clippy::unwrap_or_default"), - #[clippy::version = ""] - ("clippy::zero_width_space", "clippy::invisible_characters"), - #[clippy::version = ""] - ("clippy::cast_ref_to_mut", "invalid_reference_casting"), - #[clippy::version = ""] - ("clippy::clone_double_ref", "suspicious_double_ref_op"), - #[clippy::version = ""] - ("clippy::cmp_nan", "invalid_nan_comparisons"), - #[clippy::version = "CURRENT_RUSTC_VERSION"] - ("clippy::invalid_null_ptr_usage", "invalid_null_arguments"), - #[clippy::version = "1.86.0"] - ("clippy::double_neg", "double_negations"), - #[clippy::version = ""] - ("clippy::drop_bounds", "drop_bounds"), - #[clippy::version = ""] - ("clippy::drop_copy", "dropping_copy_types"), - #[clippy::version = ""] - ("clippy::drop_ref", "dropping_references"), - #[clippy::version = ""] - ("clippy::fn_null_check", "useless_ptr_null_checks"), - #[clippy::version = ""] - ("clippy::for_loop_over_option", "for_loops_over_fallibles"), - #[clippy::version = ""] - ("clippy::for_loop_over_result", "for_loops_over_fallibles"), - #[clippy::version = ""] - ("clippy::for_loops_over_fallibles", "for_loops_over_fallibles"), - #[clippy::version = ""] - ("clippy::forget_copy", "forgetting_copy_types"), - #[clippy::version = ""] - ("clippy::forget_ref", "forgetting_references"), - #[clippy::version = ""] - ("clippy::into_iter_on_array", "array_into_iter"), - #[clippy::version = ""] - ("clippy::invalid_atomic_ordering", "invalid_atomic_ordering"), - #[clippy::version = ""] - ("clippy::invalid_ref", "invalid_value"), - #[clippy::version = ""] - ("clippy::invalid_utf8_in_unchecked", "invalid_from_utf8_unchecked"), - #[clippy::version = ""] - ("clippy::let_underscore_drop", "let_underscore_drop"), - #[clippy::version = "1.80.0"] - ("clippy::maybe_misused_cfg", "unexpected_cfgs"), - #[clippy::version = ""] - ("clippy::mem_discriminant_non_enum", "enum_intrinsics_non_enums"), - #[clippy::version = "1.80.0"] - ("clippy::mismatched_target_os", "unexpected_cfgs"), - #[clippy::version = ""] - ("clippy::panic_params", "non_fmt_panics"), - #[clippy::version = ""] - ("clippy::positional_named_format_parameters", "named_arguments_used_positionally"), - #[clippy::version = ""] - ("clippy::temporary_cstring_as_ptr", "dangling_pointers_from_temporaries"), + #[clippy::version = "1.88.0"] + ("clippy::transmute_float_to_int", "unnecessary_transmutes"), + #[clippy::version = "1.88.0"] + ("clippy::transmute_int_to_char", "unnecessary_transmutes"), + #[clippy::version = "1.88.0"] + ("clippy::transmute_int_to_float", "unnecessary_transmutes"), + #[clippy::version = "1.88.0"] + ("clippy::transmute_num_to_bytes", "unnecessary_transmutes"), #[clippy::version = ""] ("clippy::undropped_manually_drops", "undropped_manually_drops"), #[clippy::version = ""] @@ -183,15 +189,9 @@ declare_with_version! { RENAMED(RENAMED_VERSION) = [ #[clippy::version = ""] ("clippy::unused_label", "unused_labels"), #[clippy::version = ""] + ("clippy::unwrap_or_else_default", "clippy::unwrap_or_default"), + #[clippy::version = ""] ("clippy::vtable_address_comparisons", "ambiguous_wide_pointer_comparisons"), #[clippy::version = ""] - ("clippy::reverse_range_loop", "clippy::reversed_empty_ranges"), - #[clippy::version = "1.88.0"] - ("clippy::transmute_int_to_float", "unnecessary_transmutes"), - #[clippy::version = "1.88.0"] - ("clippy::transmute_int_to_char", "unnecessary_transmutes"), - #[clippy::version = "1.88.0"] - ("clippy::transmute_float_to_int", "unnecessary_transmutes"), - #[clippy::version = "1.88.0"] - ("clippy::transmute_num_to_bytes", "unnecessary_transmutes"), + ("clippy::zero_width_space", "clippy::invisible_characters"), ]} diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs index 5edb5c23570..cde9528cd87 100644 --- a/src/tools/clippy/clippy_lints/src/dereference.rs +++ b/src/tools/clippy/clippy_lints/src/dereference.rs @@ -22,6 +22,7 @@ use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt, TypeckResults}; use rustc_session::impl_lint_pass; use rustc_span::symbol::sym; use rustc_span::{Span, Symbol}; +use std::borrow::Cow; declare_clippy_lint! { /// ### What it does @@ -252,13 +253,14 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { } let typeck = cx.typeck_results(); - let Some((kind, sub_expr)) = try_parse_ref_op(cx.tcx, typeck, expr) else { + let Some((kind, sub_expr, skip_expr)) = try_parse_ref_op(cx.tcx, typeck, expr) else { // The whole chain of reference operations has been seen if let Some((state, data)) = self.state.take() { report(cx, expr, state, data, typeck); } return; }; + self.skip_expr = skip_expr; match (self.state.take(), kind) { (None, kind) => { @@ -303,7 +305,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { RefOp::Method { mutbl, is_ufcs } if !is_lint_allowed(cx, EXPLICIT_DEREF_METHODS, expr.hir_id) // Allow explicit deref in method chains. e.g. `foo.deref().bar()` - && (is_ufcs || !in_postfix_position(cx, expr)) => + && (is_ufcs || !is_in_method_chain(cx, expr)) => { let ty_changed_count = usize::from(!deref_method_same_type(expr_ty, typeck.expr_ty(sub_expr))); self.state = Some(( @@ -671,42 +673,38 @@ fn try_parse_ref_op<'tcx>( tcx: TyCtxt<'tcx>, typeck: &'tcx TypeckResults<'_>, expr: &'tcx Expr<'_>, -) -> Option<(RefOp, &'tcx Expr<'tcx>)> { - let (is_ufcs, def_id, arg) = match expr.kind { - ExprKind::MethodCall(_, arg, [], _) => (false, typeck.type_dependent_def_id(expr.hir_id)?, arg), +) -> Option<(RefOp, &'tcx Expr<'tcx>, Option<HirId>)> { + let (call_path_id, def_id, arg) = match expr.kind { + ExprKind::MethodCall(_, arg, [], _) => (None, typeck.type_dependent_def_id(expr.hir_id)?, arg), ExprKind::Call( - Expr { - kind: ExprKind::Path(path), + &Expr { + kind: ExprKind::Path(QPath::Resolved(None, path)), hir_id, .. }, [arg], - ) => (true, typeck.qpath_res(path, *hir_id).opt_def_id()?, arg), + ) => (Some(hir_id), path.res.opt_def_id()?, arg), ExprKind::Unary(UnOp::Deref, sub_expr) if !typeck.expr_ty(sub_expr).is_raw_ptr() => { - return Some((RefOp::Deref, sub_expr)); + return Some((RefOp::Deref, sub_expr, None)); + }, + ExprKind::AddrOf(BorrowKind::Ref, mutability, sub_expr) => { + return Some((RefOp::AddrOf(mutability), sub_expr, None)); }, - ExprKind::AddrOf(BorrowKind::Ref, mutability, sub_expr) => return Some((RefOp::AddrOf(mutability), sub_expr)), _ => return None, }; - if tcx.is_diagnostic_item(sym::deref_method, def_id) { - Some(( - RefOp::Method { - mutbl: Mutability::Not, - is_ufcs, - }, - arg, - )) - } else if tcx.trait_of_item(def_id)? == tcx.lang_items().deref_mut_trait()? { - Some(( - RefOp::Method { - mutbl: Mutability::Mut, - is_ufcs, - }, - arg, - )) - } else { - None - } + let mutbl = match tcx.get_diagnostic_name(def_id) { + Some(sym::deref_method) => Mutability::Not, + Some(sym::deref_mut_method) => Mutability::Mut, + _ => return None, + }; + Some(( + RefOp::Method { + mutbl, + is_ufcs: call_path_id.is_some(), + }, + arg, + call_path_id, + )) } // Checks if the adjustments contains a deref of `ManuallyDrop<_>` @@ -730,7 +728,13 @@ fn deref_method_same_type<'tcx>(result_ty: Ty<'tcx>, arg_ty: Ty<'tcx>) -> bool { } } -fn in_postfix_position<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) -> bool { +fn is_in_method_chain<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) -> bool { + if let ExprKind::MethodCall(_, recv, _, _) = e.kind + && matches!(recv.kind, ExprKind::MethodCall(..)) + { + return true; + } + if let Some(parent) = get_parent_expr(cx, e) && parent.span.eq_ctxt(e.span) { @@ -944,7 +948,7 @@ fn report<'tcx>( mutbl, } => { let mut app = Applicability::MachineApplicable; - let (expr_str, _expr_is_macro_call) = + let (expr_str, expr_is_macro_call) = snippet_with_context(cx, expr.span, data.first_expr.span.ctxt(), "..", &mut app); let ty = typeck.expr_ty(expr); let (_, ref_count) = peel_middle_ty_refs(ty); @@ -968,20 +972,11 @@ fn report<'tcx>( "&" }; - // expr_str (the suggestion) is never shown if is_final_ufcs is true, since it's - // `expr.kind == ExprKind::Call`. Therefore, this is, afaik, always unnecessary. - /* - expr_str = if !expr_is_macro_call && is_final_ufcs && expr.precedence() < ExprPrecedence::Prefix { + let expr_str = if !expr_is_macro_call && is_ufcs && expr.precedence() < ExprPrecedence::Prefix { Cow::Owned(format!("({expr_str})")) } else { expr_str }; - */ - - // Fix #10850, do not lint if it's `Foo::deref` instead of `foo.deref()`. - if is_ufcs { - return; - } span_lint_and_sugg( cx, @@ -997,6 +992,15 @@ fn report<'tcx>( ); }, State::DerefedBorrow(state) => { + // Do not suggest removing a non-mandatory `&` in `&*rawptr` in an `unsafe` context, + // as this may make rustc trigger its `dangerous_implicit_autorefs` lint. + if let ExprKind::AddrOf(BorrowKind::Ref, _, subexpr) = data.first_expr.kind + && let ExprKind::Unary(UnOp::Deref, subsubexpr) = subexpr.kind + && cx.typeck_results().expr_ty_adjusted(subsubexpr).is_raw_ptr() + { + return; + } + let mut app = Applicability::MachineApplicable; let (snip, snip_is_macro) = snippet_with_context(cx, expr.span, data.first_expr.span.ctxt(), "..", &mut app); diff --git a/src/tools/clippy/clippy_lints/src/derive.rs b/src/tools/clippy/clippy_lints/src/derive.rs index 3443b36eb4f..062f7cef3a7 100644 --- a/src/tools/clippy/clippy_lints/src/derive.rs +++ b/src/tools/clippy/clippy_lints/src/derive.rs @@ -345,7 +345,7 @@ fn check_copy_clone<'tcx>(cx: &LateContext<'tcx>, item: &Item<'_>, trait_ref: &h if ty_adt.repr().packed() && ty_subs .iter() - .any(|arg| matches!(arg.unpack(), GenericArgKind::Type(_) | GenericArgKind::Const(_))) + .any(|arg| matches!(arg.kind(), GenericArgKind::Type(_) | GenericArgKind::Const(_))) { return; } diff --git a/src/tools/clippy/clippy_lints/src/doc/lazy_continuation.rs b/src/tools/clippy/clippy_lints/src/doc/lazy_continuation.rs index 8aeb835fe39..cb9d68224db 100644 --- a/src/tools/clippy/clippy_lints/src/doc/lazy_continuation.rs +++ b/src/tools/clippy/clippy_lints/src/doc/lazy_continuation.rs @@ -2,11 +2,10 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use itertools::Itertools; use rustc_errors::Applicability; use rustc_lint::LateContext; -use rustc_span::{BytePos, Span}; -use std::cmp::Ordering; +use rustc_span::BytePos; use std::ops::Range; -use super::{DOC_LAZY_CONTINUATION, DOC_OVERINDENTED_LIST_ITEMS}; +use super::{DOC_LAZY_CONTINUATION, DOC_OVERINDENTED_LIST_ITEMS, Fragments}; fn map_container_to_text(c: &super::Container) -> &'static str { match c { @@ -19,29 +18,27 @@ fn map_container_to_text(c: &super::Container) -> &'static str { pub(super) fn check( cx: &LateContext<'_>, doc: &str, - range: Range<usize>, - mut span: Span, + cooked_range: Range<usize>, + fragments: &Fragments<'_>, containers: &[super::Container], ) { - if doc[range.clone()].contains('\t') { - // We don't do tab stops correctly. - return; - } - - // Blockquote - let ccount = doc[range.clone()].chars().filter(|c| *c == '>').count(); + // Get blockquotes + let ccount = doc[cooked_range.clone()].chars().filter(|c| *c == '>').count(); let blockquote_level = containers .iter() .filter(|c| matches!(c, super::Container::Blockquote)) .count(); - if ccount < blockquote_level { + + if ccount < blockquote_level + && let Some(mut span) = fragments.span(cx, cooked_range.clone()) + { span_lint_and_then( cx, DOC_LAZY_CONTINUATION, span, "doc quote line without `>` marker", |diag| { - let mut doc_start_range = &doc[range]; + let mut doc_start_range = &doc[cooked_range]; let mut suggested = String::new(); for c in containers { let text = map_container_to_text(c); @@ -78,7 +75,7 @@ pub(super) fn check( } // List - let leading_spaces = doc[range].chars().filter(|c| *c == ' ').count(); + let leading_spaces = doc[cooked_range.clone()].chars().filter(|c| *c == ' ').count(); let list_indentation = containers .iter() .map(|c| { @@ -89,36 +86,41 @@ pub(super) fn check( } }) .sum(); - match leading_spaces.cmp(&list_indentation) { - Ordering::Less => span_lint_and_then( - cx, - DOC_LAZY_CONTINUATION, - span, - "doc list item without indentation", - |diag| { - // simpler suggestion style for indentation - let indent = list_indentation - leading_spaces; - diag.span_suggestion_verbose( - span.shrink_to_hi(), - "indent this line", - std::iter::repeat_n(" ", indent).join(""), - Applicability::MaybeIncorrect, - ); - diag.help("if this is supposed to be its own paragraph, add a blank line"); - }, - ), - Ordering::Greater => { - let sugg = std::iter::repeat_n(" ", list_indentation).join(""); - span_lint_and_sugg( + + if leading_spaces != list_indentation + && let Some(span) = fragments.span(cx, cooked_range.clone()) + { + if leading_spaces < list_indentation { + span_lint_and_then( cx, - DOC_OVERINDENTED_LIST_ITEMS, + DOC_LAZY_CONTINUATION, span, - "doc list item overindented", - format!("try using `{sugg}` ({list_indentation} spaces)"), - sugg, - Applicability::MaybeIncorrect, + "doc list item without indentation", + |diag| { + // simpler suggestion style for indentation + let indent = list_indentation - leading_spaces; + diag.span_suggestion_verbose( + span.shrink_to_hi(), + "indent this line", + std::iter::repeat_n(" ", indent).join(""), + Applicability::MaybeIncorrect, + ); + diag.help("if this is supposed to be its own paragraph, add a blank line"); + }, ); - }, - Ordering::Equal => {}, + + return; + } + + let sugg = std::iter::repeat_n(" ", list_indentation).join(""); + span_lint_and_sugg( + cx, + DOC_OVERINDENTED_LIST_ITEMS, + span, + "doc list item overindented", + format!("try using `{sugg}` ({list_indentation} spaces)"), + sugg, + Applicability::MaybeIncorrect, + ); } } diff --git a/src/tools/clippy/clippy_lints/src/doc/markdown.rs b/src/tools/clippy/clippy_lints/src/doc/markdown.rs index 7a1c7c675d2..69c3b9150c3 100644 --- a/src/tools/clippy/clippy_lints/src/doc/markdown.rs +++ b/src/tools/clippy/clippy_lints/src/doc/markdown.rs @@ -6,13 +6,15 @@ use rustc_lint::LateContext; use rustc_span::{BytePos, Pos, Span}; use url::Url; -use crate::doc::DOC_MARKDOWN; +use crate::doc::{DOC_MARKDOWN, Fragments}; +use std::ops::Range; pub fn check( cx: &LateContext<'_>, valid_idents: &FxHashSet<String>, text: &str, - span: Span, + fragments: &Fragments<'_>, + fragment_range: Range<usize>, code_level: isize, blockquote_level: isize, ) { @@ -64,20 +66,31 @@ pub fn check( close_parens += 1; } + // We'll use this offset to calculate the span to lint. + let fragment_offset = word.as_ptr() as usize - text.as_ptr() as usize; + // Adjust for the current word - let offset = word.as_ptr() as usize - text.as_ptr() as usize; - let span = Span::new( - span.lo() + BytePos::from_usize(offset), - span.lo() + BytePos::from_usize(offset + word.len()), - span.ctxt(), - span.parent(), + check_word( + cx, + word, + fragments, + &fragment_range, + fragment_offset, + code_level, + blockquote_level, ); - - check_word(cx, word, span, code_level, blockquote_level); } } -fn check_word(cx: &LateContext<'_>, word: &str, span: Span, code_level: isize, blockquote_level: isize) { +fn check_word( + cx: &LateContext<'_>, + word: &str, + fragments: &Fragments<'_>, + range: &Range<usize>, + fragment_offset: usize, + code_level: isize, + blockquote_level: isize, +) { /// Checks if a string is upper-camel-case, i.e., starts with an uppercase and /// contains at least two uppercase letters (`Clippy` is ok) and one lower-case /// letter (`NASA` is ok). @@ -117,6 +130,16 @@ fn check_word(cx: &LateContext<'_>, word: &str, span: Span, code_level: isize, b // try to get around the fact that `foo::bar` parses as a valid URL && !url.cannot_be_a_base() { + let Some(fragment_span) = fragments.span(cx, range.clone()) else { + return; + }; + let span = Span::new( + fragment_span.lo() + BytePos::from_usize(fragment_offset), + fragment_span.lo() + BytePos::from_usize(fragment_offset + word.len()), + fragment_span.ctxt(), + fragment_span.parent(), + ); + span_lint_and_sugg( cx, DOC_MARKDOWN, @@ -137,6 +160,17 @@ fn check_word(cx: &LateContext<'_>, word: &str, span: Span, code_level: isize, b } if has_underscore(word) || word.contains("::") || is_camel_case(word) || word.ends_with("()") { + let Some(fragment_span) = fragments.span(cx, range.clone()) else { + return; + }; + + let span = Span::new( + fragment_span.lo() + BytePos::from_usize(fragment_offset), + fragment_span.lo() + BytePos::from_usize(fragment_offset + word.len()), + fragment_span.ctxt(), + fragment_span.parent(), + ); + span_lint_and_then( cx, DOC_MARKDOWN, diff --git a/src/tools/clippy/clippy_lints/src/doc/missing_headers.rs b/src/tools/clippy/clippy_lints/src/doc/missing_headers.rs index 039937e0207..9ee32fced8c 100644 --- a/src/tools/clippy/clippy_lints/src/doc/missing_headers.rs +++ b/src/tools/clippy/clippy_lints/src/doc/missing_headers.rs @@ -113,7 +113,8 @@ fn find_panic(cx: &LateContext<'_>, body_id: BodyId) -> Option<Span> { } // check for `unwrap` and `expect` for both `Option` and `Result` - if let Some(arglists) = method_chain_args(expr, &["unwrap"]).or_else(|| method_chain_args(expr, &["expect"])) + if let Some(arglists) = + method_chain_args(expr, &[sym::unwrap]).or_else(|| method_chain_args(expr, &[sym::expect])) && let receiver_ty = typeck.expr_ty(arglists[0].0).peel_refs() && matches!( get_type_diagnostic_name(cx, receiver_ty), diff --git a/src/tools/clippy/clippy_lints/src/doc/mod.rs b/src/tools/clippy/clippy_lints/src/doc/mod.rs index 87da380e954..c46dd09d60c 100644 --- a/src/tools/clippy/clippy_lints/src/doc/mod.rs +++ b/src/tools/clippy/clippy_lints/src/doc/mod.rs @@ -3,7 +3,6 @@ use clippy_config::Conf; use clippy_utils::attrs::is_doc_hidden; use clippy_utils::diagnostics::{span_lint, span_lint_and_help, span_lint_and_then}; -use clippy_utils::source::snippet_opt; use clippy_utils::{is_entrypoint_fn, is_trait_impl_item}; use pulldown_cmark::Event::{ Code, DisplayMath, End, FootnoteReference, HardBreak, Html, InlineHtml, InlineMath, Rule, SoftBreak, Start, @@ -730,7 +729,10 @@ struct Fragments<'a> { } impl Fragments<'_> { - fn span(self, cx: &LateContext<'_>, range: Range<usize>) -> Option<Span> { + /// get the span for the markdown range. Note that this function is not cheap, use it with + /// caution. + #[must_use] + fn span(&self, cx: &LateContext<'_>, range: Range<usize>) -> Option<Span> { source_span_for_markdown_range(cx.tcx, self.doc, &range, self.fragments) } } @@ -1068,9 +1070,7 @@ fn check_doc<'a, Events: Iterator<Item = (pulldown_cmark::Event<'a>, Range<usize ); } else { for (text, range, assoc_code_level) in text_to_check { - if let Some(span) = fragments.span(cx, range) { - markdown::check(cx, valid_idents, &text, span, assoc_code_level, blockquote_level); - } + markdown::check(cx, valid_idents, &text, &fragments, range, assoc_code_level, blockquote_level); } } text_to_check = Vec::new(); @@ -1081,26 +1081,27 @@ fn check_doc<'a, Events: Iterator<Item = (pulldown_cmark::Event<'a>, Range<usize | TaskListMarker(_) | Code(_) | Rule | InlineMath(..) | DisplayMath(..) => (), SoftBreak | HardBreak => { if !containers.is_empty() - && let Some((next_event, next_range)) = events.peek() - && let Some(next_span) = fragments.span(cx, next_range.clone()) - && let Some(span) = fragments.span(cx, range.clone()) && !in_footnote_definition + // Tabs aren't handled correctly vvvv + && !doc[range.clone()].contains('\t') + && let Some((next_event, next_range)) = events.peek() && !matches!(next_event, End(_)) { lazy_continuation::check( cx, doc, range.end..next_range.start, - Span::new(span.hi(), next_span.lo(), span.ctxt(), span.parent()), + &fragments, &containers[..], ); } - if let Some(span) = fragments.span(cx, range.clone()) + + if event == HardBreak + && !doc[range.clone()].trim().starts_with('\\') + && let Some(span) = fragments.span(cx, range.clone()) && !span.from_expansion() - && let Some(snippet) = snippet_opt(cx, span) - && !snippet.trim().starts_with('\\') - && event == HardBreak { + { collected_breaks.push(span); } }, diff --git a/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs b/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs index 9637546b868..ebfc9972aef 100644 --- a/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs +++ b/src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use rustc_ast::AttrStyle; use rustc_ast::token::CommentKind; -use rustc_attr_parsing::AttributeKind; +use rustc_attr_data_structures::AttributeKind; use rustc_errors::Applicability; use rustc_hir::Attribute; use rustc_lint::LateContext; diff --git a/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs b/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs index dc6cbb42543..7f7224ecfc6 100644 --- a/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs +++ b/src/tools/clippy/clippy_lints/src/doc/too_long_first_doc_paragraph.rs @@ -1,4 +1,4 @@ -use rustc_attr_parsing::AttributeKind; +use rustc_attr_data_structures::AttributeKind; use rustc_errors::Applicability; use rustc_hir::{Attribute, Item, ItemKind}; use rustc_lint::LateContext; diff --git a/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs b/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs index a38d6df89f2..4414aebbf9a 100644 --- a/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs +++ b/src/tools/clippy/clippy_lints/src/empty_with_brackets.rs @@ -92,7 +92,8 @@ impl_lint_pass!(EmptyWithBrackets => [EMPTY_STRUCTS_WITH_BRACKETS, EMPTY_ENUM_VA impl LateLintPass<'_> for EmptyWithBrackets { fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { - if let ItemKind::Struct(ident, var_data, _) = &item.kind + if let ItemKind::Struct(ident, _, var_data) = &item.kind + && !item.span.from_expansion() && has_brackets(var_data) && let span_after_ident = item.span.with_lo(ident.span.hi()) && has_no_fields(cx, var_data, span_after_ident) diff --git a/src/tools/clippy/clippy_lints/src/enum_clike.rs b/src/tools/clippy/clippy_lints/src/enum_clike.rs index ec81294624e..098571a5351 100644 --- a/src/tools/clippy/clippy_lints/src/enum_clike.rs +++ b/src/tools/clippy/clippy_lints/src/enum_clike.rs @@ -38,7 +38,7 @@ impl<'tcx> LateLintPass<'tcx> for UnportableVariant { if cx.tcx.data_layout.pointer_size.bits() != 64 { return; } - if let ItemKind::Enum(_, def, _) = &item.kind { + if let ItemKind::Enum(_, _, def) = &item.kind { for var in def.variants { if let Some(anon_const) = &var.disr_expr { let def_id = cx.tcx.hir_body_owner_def_id(anon_const.body); diff --git a/src/tools/clippy/clippy_lints/src/eta_reduction.rs b/src/tools/clippy/clippy_lints/src/eta_reduction.rs index 645f9306849..6ed7c87915b 100644 --- a/src/tools/clippy/clippy_lints/src/eta_reduction.rs +++ b/src/tools/clippy/clippy_lints/src/eta_reduction.rs @@ -306,7 +306,7 @@ fn has_late_bound_to_non_late_bound_regions(from_sig: FnSig<'_>, to_sig: FnSig<' return true; } for (from_arg, to_arg) in to_subs.iter().zip(from_subs) { - match (from_arg.unpack(), to_arg.unpack()) { + match (from_arg.kind(), to_arg.kind()) { (GenericArgKind::Lifetime(from_region), GenericArgKind::Lifetime(to_region)) => { if check_region(from_region, to_region) { return true; @@ -354,5 +354,5 @@ fn has_late_bound_to_non_late_bound_regions(from_sig: FnSig<'_>, to_sig: FnSig<' fn ty_has_static(ty: Ty<'_>) -> bool { ty.walk() - .any(|arg| matches!(arg.unpack(), GenericArgKind::Lifetime(re) if re.is_static())) + .any(|arg| matches!(arg.kind(), GenericArgKind::Lifetime(re) if re.is_static())) } diff --git a/src/tools/clippy/clippy_lints/src/excessive_bools.rs b/src/tools/clippy/clippy_lints/src/excessive_bools.rs index 38d115b878c..686dc5c3c4f 100644 --- a/src/tools/clippy/clippy_lints/src/excessive_bools.rs +++ b/src/tools/clippy/clippy_lints/src/excessive_bools.rs @@ -127,7 +127,7 @@ fn check_fn_decl(cx: &LateContext<'_>, decl: &FnDecl<'_>, sp: Span, max: u64) { impl<'tcx> LateLintPass<'tcx> for ExcessiveBools { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { - if let ItemKind::Struct(_, variant_data, _) = &item.kind + if let ItemKind::Struct(_, _, variant_data) = &item.kind && variant_data.fields().len() as u64 > self.max_struct_bools && has_n_bools( variant_data.fields().iter().map(|field| field.ty), diff --git a/src/tools/clippy/clippy_lints/src/exhaustive_items.rs b/src/tools/clippy/clippy_lints/src/exhaustive_items.rs index 5a74e97c97c..1fb0e4d24d0 100644 --- a/src/tools/clippy/clippy_lints/src/exhaustive_items.rs +++ b/src/tools/clippy/clippy_lints/src/exhaustive_items.rs @@ -76,7 +76,7 @@ impl LateLintPass<'_> for ExhaustiveItems { "exported enums should not be exhaustive", [].as_slice(), ), - ItemKind::Struct(_, v, ..) => ( + ItemKind::Struct(_, _, v) => ( EXHAUSTIVE_STRUCTS, "exported structs should not be exhaustive", v.fields(), diff --git a/src/tools/clippy/clippy_lints/src/explicit_write.rs b/src/tools/clippy/clippy_lints/src/explicit_write.rs index a5a4e05b3a6..085ee4448a4 100644 --- a/src/tools/clippy/clippy_lints/src/explicit_write.rs +++ b/src/tools/clippy/clippy_lints/src/explicit_write.rs @@ -1,13 +1,13 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::macros::{FormatArgsStorage, format_args_inputs_span}; use clippy_utils::source::snippet_with_applicability; -use clippy_utils::{is_expn_of, path_def_id}; +use clippy_utils::{is_expn_of, path_def_id, sym}; use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::{BindingMode, Block, BlockCheckMode, Expr, ExprKind, Node, PatKind, QPath, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; -use rustc_span::{ExpnId, sym}; +use rustc_span::ExpnId; declare_clippy_lint! { /// ### What it does @@ -72,9 +72,9 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { }; // ordering is important here, since `writeln!` uses `write!` internally - let calling_macro = if is_expn_of(write_call.span, "writeln").is_some() { + let calling_macro = if is_expn_of(write_call.span, sym::writeln).is_some() { Some("writeln") - } else if is_expn_of(write_call.span, "write").is_some() { + } else if is_expn_of(write_call.span, sym::write).is_some() { Some("write") } else { None diff --git a/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs b/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs index 6a217b6182c..c0b0fd88d9e 100644 --- a/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs +++ b/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs @@ -273,7 +273,7 @@ impl<'tcx> LateLintPass<'tcx> for ExtraUnusedTypeParameters { // Only lint on inherent methods, not trait methods. if let ImplItemKind::Fn(.., body_id) = item.kind && !item.generics.params.is_empty() - && trait_ref_of_method(cx, item.owner_id.def_id).is_none() + && trait_ref_of_method(cx, item.owner_id).is_none() && !is_empty_body(cx, body_id) && (!self.avoid_breaking_exported_api || !cx.effective_visibilities.is_exported(item.owner_id.def_id)) && !item.span.in_external_macro(cx.sess().source_map()) diff --git a/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs b/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs index c868b782f43..68d0cd19c8a 100644 --- a/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs +++ b/src/tools/clippy/clippy_lints/src/fallible_impl_from.rs @@ -82,7 +82,7 @@ fn lint_impl_body(cx: &LateContext<'_>, impl_span: Span, impl_items: &[hir::Impl } // check for `unwrap` - if let Some(arglists) = method_chain_args(expr, &["unwrap"]) { + if let Some(arglists) = method_chain_args(expr, &[sym::unwrap]) { let receiver_ty = self.typeck_results.expr_ty(arglists[0].0).peel_refs(); if is_type_diagnostic_item(self.lcx, receiver_ty, sym::Option) || is_type_diagnostic_item(self.lcx, receiver_ty, sym::Result) diff --git a/src/tools/clippy/clippy_lints/src/field_scoped_visibility_modifiers.rs b/src/tools/clippy/clippy_lints/src/field_scoped_visibility_modifiers.rs index aae8291905d..dfb0b4f103c 100644 --- a/src/tools/clippy/clippy_lints/src/field_scoped_visibility_modifiers.rs +++ b/src/tools/clippy/clippy_lints/src/field_scoped_visibility_modifiers.rs @@ -51,7 +51,7 @@ declare_lint_pass!(FieldScopedVisibilityModifiers => [FIELD_SCOPED_VISIBILITY_MO impl EarlyLintPass for FieldScopedVisibilityModifiers { fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { - let ItemKind::Struct(_, ref st, _) = item.kind else { + let ItemKind::Struct(_, _, ref st) = item.kind else { return; }; for field in st.fields() { diff --git a/src/tools/clippy/clippy_lints/src/float_literal.rs b/src/tools/clippy/clippy_lints/src/float_literal.rs index 012ad8e1a22..c51267567d0 100644 --- a/src/tools/clippy/clippy_lints/src/float_literal.rs +++ b/src/tools/clippy/clippy_lints/src/float_literal.rs @@ -126,7 +126,7 @@ impl<'tcx> LateLintPass<'tcx> for FloatLiteral { }, ); } - } else if digits > max as usize && float_str.len() < sym_str.len() { + } else if digits > max as usize && count_digits(&float_str) < count_digits(sym_str) { span_lint_and_then( cx, EXCESSIVE_PRECISION, diff --git a/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs b/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs index e653a57196d..3c7e83b0697 100644 --- a/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs @@ -294,8 +294,8 @@ fn check_powi(cx: &LateContext<'_>, expr: &Expr<'_>, receiver: &Expr<'_>, args: && let Some(parent) = get_parent_expr(cx, expr) { if let Some(grandparent) = get_parent_expr(cx, parent) - && let ExprKind::MethodCall(PathSegment { ident: method_name, .. }, receiver, ..) = grandparent.kind - && method_name.as_str() == "sqrt" + && let ExprKind::MethodCall(PathSegment { ident: method, .. }, receiver, ..) = grandparent.kind + && method.name == sym::sqrt && detect_hypot(cx, receiver).is_some() { return; @@ -375,24 +375,10 @@ fn detect_hypot(cx: &LateContext<'_>, receiver: &Expr<'_>) -> Option<String> { } // check if expression of the form x.powi(2) + y.powi(2) - if let ExprKind::MethodCall( - PathSegment { - ident: lmethod_name, .. - }, - largs_0, - [largs_1, ..], - _, - ) = &add_lhs.kind - && let ExprKind::MethodCall( - PathSegment { - ident: rmethod_name, .. - }, - rargs_0, - [rargs_1, ..], - _, - ) = &add_rhs.kind - && lmethod_name.as_str() == "powi" - && rmethod_name.as_str() == "powi" + if let ExprKind::MethodCall(PathSegment { ident: lmethod, .. }, largs_0, [largs_1, ..], _) = &add_lhs.kind + && let ExprKind::MethodCall(PathSegment { ident: rmethod, .. }, rargs_0, [rargs_1, ..], _) = &add_rhs.kind + && lmethod.name == sym::powi + && rmethod.name == sym::powi && let ecx = ConstEvalCtxt::new(cx) && let Some(lvalue) = ecx.eval(largs_1) && let Some(rvalue) = ecx.eval(rargs_1) @@ -482,8 +468,8 @@ fn check_mul_add(cx: &LateContext<'_>, expr: &Expr<'_>) { ) = &expr.kind { if let Some(parent) = get_parent_expr(cx, expr) - && let ExprKind::MethodCall(PathSegment { ident: method_name, .. }, receiver, ..) = parent.kind - && method_name.as_str() == "sqrt" + && let ExprKind::MethodCall(PathSegment { ident: method, .. }, receiver, ..) = parent.kind + && method.name == sym::sqrt && detect_hypot(cx, receiver).is_some() { return; @@ -623,27 +609,13 @@ fn check_custom_abs(cx: &LateContext<'_>, expr: &Expr<'_>) { } fn are_same_base_logs(cx: &LateContext<'_>, expr_a: &Expr<'_>, expr_b: &Expr<'_>) -> bool { - if let ExprKind::MethodCall( - PathSegment { - ident: method_name_a, .. - }, - _, - args_a, - _, - ) = expr_a.kind - && let ExprKind::MethodCall( - PathSegment { - ident: method_name_b, .. - }, - _, - args_b, - _, - ) = expr_b.kind + if let ExprKind::MethodCall(PathSegment { ident: method_a, .. }, _, args_a, _) = expr_a.kind + && let ExprKind::MethodCall(PathSegment { ident: method_b, .. }, _, args_b, _) = expr_b.kind { - return method_name_a.as_str() == method_name_b.as_str() + return method_a.name == method_b.name && args_a.len() == args_b.len() - && (["ln", "log2", "log10"].contains(&method_name_a.as_str()) - || method_name_a.as_str() == "log" && args_a.len() == 1 && eq_expr_value(cx, &args_a[0], &args_b[0])); + && (matches!(method_a.name, sym::ln | sym::log2 | sym::log10) + || method_a.name == sym::log && args_a.len() == 1 && eq_expr_value(cx, &args_a[0], &args_b[0])); } false diff --git a/src/tools/clippy/clippy_lints/src/format_args.rs b/src/tools/clippy/clippy_lints/src/format_args.rs index 8a3f8e1c587..a26e736c7ae 100644 --- a/src/tools/clippy/clippy_lints/src/format_args.rs +++ b/src/tools/clippy/clippy_lints/src/format_args.rs @@ -15,7 +15,7 @@ use rustc_ast::{ FormatArgPosition, FormatArgPositionKind, FormatArgsPiece, FormatArgumentKind, FormatCount, FormatOptions, FormatPlaceholder, FormatTrait, }; -use rustc_attr_parsing::RustcVersion; +use rustc_attr_data_structures::RustcVersion; use rustc_data_structures::fx::FxHashMap; use rustc_errors::Applicability; use rustc_errors::SuggestionStyle::{CompletelyHidden, ShowCode}; diff --git a/src/tools/clippy/clippy_lints/src/functions/must_use.rs b/src/tools/clippy/clippy_lints/src/functions/must_use.rs index c3e0d5e8b69..70655838b6a 100644 --- a/src/tools/clippy/clippy_lints/src/functions/must_use.rs +++ b/src/tools/clippy/clippy_lints/src/functions/must_use.rs @@ -55,7 +55,7 @@ pub(super) fn check_impl_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Imp let attr = cx.tcx.get_attr(item.owner_id, sym::must_use); if let Some(attr) = attr { check_needless_must_use(cx, sig.decl, item.owner_id, item.span, fn_header_span, attr, attrs, sig); - } else if is_public && !is_proc_macro(attrs) && trait_ref_of_method(cx, item.owner_id.def_id).is_none() { + } else if is_public && !is_proc_macro(attrs) && trait_ref_of_method(cx, item.owner_id).is_none() { check_must_use_candidate( cx, sig.decl, diff --git a/src/tools/clippy/clippy_lints/src/functions/ref_option.rs b/src/tools/clippy/clippy_lints/src/functions/ref_option.rs index aba0fbcb9fe..106202d00d4 100644 --- a/src/tools/clippy/clippy_lints/src/functions/ref_option.rs +++ b/src/tools/clippy/clippy_lints/src/functions/ref_option.rs @@ -17,7 +17,7 @@ fn check_ty<'a>(cx: &LateContext<'a>, param: &rustc_hir::Ty<'a>, param_ty: Ty<'a && is_type_diagnostic_item(cx, *opt_ty, sym::Option) && let ty::Adt(_, opt_gen_args) = opt_ty.kind() && let [gen_arg] = opt_gen_args.as_slice() - && let GenericArgKind::Type(gen_ty) = gen_arg.unpack() + && let GenericArgKind::Type(gen_ty) = gen_arg.kind() && !gen_ty.is_ref() // Need to gen the original spans, so first parsing mid, and hir parsing afterward && let hir::TyKind::Ref(lifetime, hir::MutTy { ty, .. }) = param.kind diff --git a/src/tools/clippy/clippy_lints/src/functions/result.rs b/src/tools/clippy/clippy_lints/src/functions/result.rs index 07a92a4ed70..bb98ae82611 100644 --- a/src/tools/clippy/clippy_lints/src/functions/result.rs +++ b/src/tools/clippy/clippy_lints/src/functions/result.rs @@ -55,7 +55,7 @@ pub(super) fn check_impl_item<'tcx>( // Don't lint if method is a trait's implementation, we can't do anything about those if let hir::ImplItemKind::Fn(ref sig, _) = item.kind && let Some((hir_ty, err_ty)) = result_err_ty(cx, sig.decl, item.owner_id.def_id, item.span) - && trait_ref_of_method(cx, item.owner_id.def_id).is_none() + && trait_ref_of_method(cx, item.owner_id).is_none() { if cx.effective_visibilities.is_exported(item.owner_id.def_id) { let fn_header_span = item.span.with_hi(sig.decl.output.span().hi()); @@ -103,7 +103,7 @@ fn check_result_large_err<'tcx>(cx: &LateContext<'tcx>, err_ty: Ty<'tcx>, hir_ty .did() .as_local() && let hir::Node::Item(item) = cx.tcx.hir_node_by_def_id(local_def_id) - && let hir::ItemKind::Enum(_, ref def, _) = item.kind + && let hir::ItemKind::Enum(_, _, ref def) = item.kind { let variants_size = AdtVariantInfo::new(cx, *adt, subst); if let Some((first_variant, variants)) = variants_size.split_first() diff --git a/src/tools/clippy/clippy_lints/src/implicit_hasher.rs b/src/tools/clippy/clippy_lints/src/implicit_hasher.rs index 4c17834c3ad..cab7a9fb709 100644 --- a/src/tools/clippy/clippy_lints/src/implicit_hasher.rs +++ b/src/tools/clippy/clippy_lints/src/implicit_hasher.rs @@ -119,7 +119,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitHasher { } let generics_suggestion_span = impl_.generics.span.substitute_dummy({ - let range = (item.span.lo()..target.span().lo()).map_range(cx, |src, range| { + let range = (item.span.lo()..target.span().lo()).map_range(cx, |_, src, range| { Some(src.get(range.clone())?.find("impl")? + 4..range.end) }); if let Some(range) = range { @@ -165,11 +165,12 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitHasher { continue; } let generics_suggestion_span = generics.span.substitute_dummy({ - let range = (item.span.lo()..body.params[0].pat.span.lo()).map_range(cx, |src, range| { - let (pre, post) = src.get(range.clone())?.split_once("fn")?; - let pos = post.find('(')? + pre.len() + 2; - Some(pos..pos) - }); + let range = + (item.span.lo()..body.params[0].pat.span.lo()).map_range(cx, |_, src, range| { + let (pre, post) = src.get(range.clone())?.split_once("fn")?; + let pos = post.find('(')? + pre.len() + 2; + Some(pos..pos) + }); if let Some(range) = range { range.with_ctxt(item.span.ctxt()) } else { diff --git a/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs b/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs index e55edb1fcaa..5d0bd3e8ca3 100644 --- a/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs +++ b/src/tools/clippy/clippy_lints/src/incompatible_msrv.rs @@ -2,7 +2,7 @@ use clippy_config::Conf; use clippy_utils::diagnostics::span_lint; use clippy_utils::is_in_test; use clippy_utils::msrvs::Msrv; -use rustc_attr_parsing::{RustcVersion, StabilityLevel, StableSince}; +use rustc_attr_data_structures::{RustcVersion, StabilityLevel, StableSince}; use rustc_data_structures::fx::FxHashMap; use rustc_hir::{Expr, ExprKind, HirId, QPath}; use rustc_lint::{LateContext, LateLintPass}; diff --git a/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs b/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs index 989997d69f7..3d131a7825a 100644 --- a/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs +++ b/src/tools/clippy/clippy_lints/src/index_refutable_slice.rs @@ -4,7 +4,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::IfLet; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::ty::is_copy; -use clippy_utils::{is_expn_of, is_lint_allowed, path_to_local}; +use clippy_utils::{is_expn_of, is_lint_allowed, path_to_local, sym}; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; use rustc_errors::Applicability; use rustc_hir as hir; @@ -12,7 +12,6 @@ use rustc_hir::HirId; use rustc_hir::intravisit::{self, Visitor}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; -use rustc_middle::ty; use rustc_session::impl_lint_pass; use rustc_span::Span; use rustc_span::symbol::Ident; @@ -72,7 +71,7 @@ impl_lint_pass!(IndexRefutableSlice => [INDEX_REFUTABLE_SLICE]); impl<'tcx> LateLintPass<'tcx> for IndexRefutableSlice { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { if let Some(IfLet { let_pat, if_then, .. }) = IfLet::hir(cx, expr) - && (!expr.span.from_expansion() || is_expn_of(expr.span, "if_chain").is_some()) + && (!expr.span.from_expansion() || is_expn_of(expr.span, sym::if_chain).is_some()) && !is_lint_allowed(cx, INDEX_REFUTABLE_SLICE, expr.hir_id) && let found_slices = find_slice_values(cx, let_pat) && !found_slices.is_empty() @@ -109,11 +108,11 @@ fn find_slice_values(cx: &LateContext<'_>, pat: &hir::Pat<'_>) -> FxIndexMap<Hir } let bound_ty = cx.typeck_results().node_type(pat.hir_id); - if let ty::Slice(inner_ty) | ty::Array(inner_ty, _) = bound_ty.peel_refs().kind() { + if let Some(inner_ty) = bound_ty.peel_refs().builtin_index() { // The values need to use the `ref` keyword if they can't be copied. // This will need to be adjusted if the lint want to support mutable access in the future let src_is_ref = bound_ty.is_ref() && by_ref == hir::ByRef::No; - let needs_ref = !(src_is_ref || is_copy(cx, *inner_ty)); + let needs_ref = !(src_is_ref || is_copy(cx, inner_ty)); let slice_info = slices .entry(value_hir_id) diff --git a/src/tools/clippy/clippy_lints/src/ineffective_open_options.rs b/src/tools/clippy/clippy_lints/src/ineffective_open_options.rs index 3a28553b55e..7a751514b64 100644 --- a/src/tools/clippy/clippy_lints/src/ineffective_open_options.rs +++ b/src/tools/clippy/clippy_lints/src/ineffective_open_options.rs @@ -1,13 +1,13 @@ use crate::methods::method_call; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::peel_blocks; +use clippy_utils::{peel_blocks, sym}; use rustc_ast::LitKind; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::declare_lint_pass; -use rustc_span::{BytePos, Span, sym}; +use rustc_span::{BytePos, Span}; declare_clippy_lint! { /// ### What it does @@ -57,7 +57,7 @@ fn index_if_arg_is_boolean(args: &[Expr<'_>], call_span: Span) -> Option<Span> { impl<'tcx> LateLintPass<'tcx> for IneffectiveOpenOptions { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - let Some(("open", mut receiver, [_arg], _, _)) = method_call(expr) else { + let Some((sym::open, mut receiver, [_arg], _, _)) = method_call(expr) else { return; }; let receiver_ty = cx.typeck_results().expr_ty(receiver); @@ -70,9 +70,9 @@ impl<'tcx> LateLintPass<'tcx> for IneffectiveOpenOptions { let mut write = None; while let Some((name, recv, args, _, span)) = method_call(receiver) { - if name == "append" { + if name == sym::append { append = index_if_arg_is_boolean(args, span); - } else if name == "write" { + } else if name == sym::write { write = index_if_arg_is_boolean(args, span); } receiver = recv; diff --git a/src/tools/clippy/clippy_lints/src/infinite_iter.rs b/src/tools/clippy/clippy_lints/src/infinite_iter.rs index c4e10837bf1..bf3eafe09b3 100644 --- a/src/tools/clippy/clippy_lints/src/infinite_iter.rs +++ b/src/tools/clippy/clippy_lints/src/infinite_iter.rs @@ -4,6 +4,7 @@ use clippy_utils::{higher, sym}; use rustc_hir::{BorrowKind, Closure, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; +use rustc_span::Symbol; declare_clippy_lint! { /// ### What it does @@ -119,33 +120,33 @@ use self::Heuristic::{All, Always, Any, First}; /// returns an infinite or possibly infinite iterator. The finiteness /// is an upper bound, e.g., some methods can return a possibly /// infinite iterator at worst, e.g., `take_while`. -const HEURISTICS: [(&str, usize, Heuristic, Finiteness); 19] = [ - ("zip", 1, All, Infinite), - ("chain", 1, Any, Infinite), - ("cycle", 0, Always, Infinite), - ("map", 1, First, Infinite), - ("by_ref", 0, First, Infinite), - ("cloned", 0, First, Infinite), - ("rev", 0, First, Infinite), - ("inspect", 0, First, Infinite), - ("enumerate", 0, First, Infinite), - ("peekable", 1, First, Infinite), - ("fuse", 0, First, Infinite), - ("skip", 1, First, Infinite), - ("skip_while", 0, First, Infinite), - ("filter", 1, First, Infinite), - ("filter_map", 1, First, Infinite), - ("flat_map", 1, First, Infinite), - ("unzip", 0, First, Infinite), - ("take_while", 1, First, MaybeInfinite), - ("scan", 2, First, MaybeInfinite), +const HEURISTICS: [(Symbol, usize, Heuristic, Finiteness); 19] = [ + (sym::zip, 1, All, Infinite), + (sym::chain, 1, Any, Infinite), + (sym::cycle, 0, Always, Infinite), + (sym::map, 1, First, Infinite), + (sym::by_ref, 0, First, Infinite), + (sym::cloned, 0, First, Infinite), + (sym::rev, 0, First, Infinite), + (sym::inspect, 0, First, Infinite), + (sym::enumerate, 0, First, Infinite), + (sym::peekable, 1, First, Infinite), + (sym::fuse, 0, First, Infinite), + (sym::skip, 1, First, Infinite), + (sym::skip_while, 0, First, Infinite), + (sym::filter, 1, First, Infinite), + (sym::filter_map, 1, First, Infinite), + (sym::flat_map, 1, First, Infinite), + (sym::unzip, 0, First, Infinite), + (sym::take_while, 1, First, MaybeInfinite), + (sym::scan, 2, First, MaybeInfinite), ]; fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness { match expr.kind { ExprKind::MethodCall(method, receiver, args, _) => { for &(name, len, heuristic, cap) in &HEURISTICS { - if method.ident.name.as_str() == name && args.len() == len { + if method.ident.name == name && args.len() == len { return (match heuristic { Always => Infinite, First => is_infinite(cx, receiver), @@ -183,36 +184,36 @@ fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness { /// the names and argument lengths of methods that *may* exhaust their /// iterators -const POSSIBLY_COMPLETING_METHODS: [(&str, usize); 6] = [ - ("find", 1), - ("rfind", 1), - ("position", 1), - ("rposition", 1), - ("any", 1), - ("all", 1), +const POSSIBLY_COMPLETING_METHODS: [(Symbol, usize); 6] = [ + (sym::find, 1), + (sym::rfind, 1), + (sym::position, 1), + (sym::rposition, 1), + (sym::any, 1), + (sym::all, 1), ]; /// the names and argument lengths of methods that *always* exhaust /// their iterators -const COMPLETING_METHODS: [(&str, usize); 12] = [ - ("count", 0), - ("fold", 2), - ("for_each", 1), - ("partition", 1), - ("max", 0), - ("max_by", 1), - ("max_by_key", 1), - ("min", 0), - ("min_by", 1), - ("min_by_key", 1), - ("sum", 0), - ("product", 0), +const COMPLETING_METHODS: [(Symbol, usize); 12] = [ + (sym::count, 0), + (sym::fold, 2), + (sym::for_each, 1), + (sym::partition, 1), + (sym::max, 0), + (sym::max_by, 1), + (sym::max_by_key, 1), + (sym::min, 0), + (sym::min_by, 1), + (sym::min_by_key, 1), + (sym::sum, 0), + (sym::product, 0), ]; fn complete_infinite_iter(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness { match expr.kind { ExprKind::MethodCall(method, receiver, args, _) => { - let method_str = method.ident.name.as_str(); + let method_str = method.ident.name; for &(name, len) in &COMPLETING_METHODS { if method_str == name && args.len() == len { return is_infinite(cx, receiver); diff --git a/src/tools/clippy/clippy_lints/src/inherent_to_string.rs b/src/tools/clippy/clippy_lints/src/inherent_to_string.rs index 1d582fb0223..7f2e25367a6 100644 --- a/src/tools/clippy/clippy_lints/src/inherent_to_string.rs +++ b/src/tools/clippy/clippy_lints/src/inherent_to_string.rs @@ -106,7 +106,7 @@ impl<'tcx> LateLintPass<'tcx> for InherentToString { // Check if return type is String && is_type_lang_item(cx, return_ty(cx, impl_item.owner_id), LangItem::String) // Filters instances of to_string which are required by a trait - && trait_ref_of_method(cx, impl_item.owner_id.def_id).is_none() + && trait_ref_of_method(cx, impl_item.owner_id).is_none() { show_lint(cx, impl_item); } diff --git a/src/tools/clippy/clippy_lints/src/item_name_repetitions.rs b/src/tools/clippy/clippy_lints/src/item_name_repetitions.rs index 3d4dcd02070..9c91cf68085 100644 --- a/src/tools/clippy/clippy_lints/src/item_name_repetitions.rs +++ b/src/tools/clippy/clippy_lints/src/item_name_repetitions.rs @@ -535,10 +535,10 @@ impl LateLintPass<'_> for ItemNameRepetitions { if span_is_local(item.span) { match item.kind { - ItemKind::Enum(_, def, _) => { + ItemKind::Enum(_, _, def) => { self.check_variants(cx, item, &def); }, - ItemKind::Struct(_, VariantData::Struct { fields, .. }, _) => { + ItemKind::Struct(_, _, VariantData::Struct { fields, .. }) => { self.check_fields(cx, item, fields); }, _ => (), diff --git a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs index 394005e9912..cee8ca1261e 100644 --- a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs @@ -48,7 +48,7 @@ impl_lint_pass!(LargeConstArrays => [LARGE_CONST_ARRAYS]); impl<'tcx> LateLintPass<'tcx> for LargeConstArrays { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { - if let ItemKind::Const(ident, _, generics, _) = &item.kind + if let ItemKind::Const(ident, generics, _, _) = &item.kind // Since static items may not have generics, skip generic const items. // FIXME(generic_const_items): I don't think checking `generics.hwcp` suffices as it // doesn't account for empty where-clauses that only consist of keyword `where` IINM. diff --git a/src/tools/clippy/clippy_lints/src/large_enum_variant.rs b/src/tools/clippy/clippy_lints/src/large_enum_variant.rs index d08efa0ec9c..e85d779b488 100644 --- a/src/tools/clippy/clippy_lints/src/large_enum_variant.rs +++ b/src/tools/clippy/clippy_lints/src/large_enum_variant.rs @@ -73,7 +73,7 @@ impl_lint_pass!(LargeEnumVariant => [LARGE_ENUM_VARIANT]); impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &Item<'tcx>) { - if let ItemKind::Enum(ident, ref def, _) = item.kind + if let ItemKind::Enum(ident, _, ref def) = item.kind && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let ty::Adt(adt, subst) = ty.kind() && adt.variants().len() > 1 diff --git a/src/tools/clippy/clippy_lints/src/let_underscore.rs b/src/tools/clippy/clippy_lints/src/let_underscore.rs index 916191b2a7b..b72e14246db 100644 --- a/src/tools/clippy/clippy_lints/src/let_underscore.rs +++ b/src/tools/clippy/clippy_lints/src/let_underscore.rs @@ -137,7 +137,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { && !local.span.in_external_macro(cx.tcx.sess.source_map()) { let init_ty = cx.typeck_results().expr_ty(init); - let contains_sync_guard = init_ty.walk().any(|inner| match inner.unpack() { + let contains_sync_guard = init_ty.walk().any(|inner| match inner.kind() { GenericArgKind::Type(inner_ty) => inner_ty .ty_adt_def() .is_some_and(|adt| paths::PARKING_LOT_GUARDS.iter().any(|path| path.matches(cx, adt.did()))), diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index 006145cc623..92eb3d7a7c5 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -35,7 +35,7 @@ extern crate rustc_abi; extern crate rustc_arena; extern crate rustc_ast; extern crate rustc_ast_pretty; -extern crate rustc_attr_parsing; +extern crate rustc_attr_data_structures; extern crate rustc_data_structures; extern crate rustc_driver; extern crate rustc_errors; @@ -393,6 +393,7 @@ mod unwrap; mod unwrap_in_result; mod upper_case_acronyms; mod use_self; +mod useless_concat; mod useless_conversion; mod vec; mod vec_init_then_push; @@ -866,7 +867,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(move |_| Box::new(unnecessary_box_returns::UnnecessaryBoxReturns::new(conf))); store.register_late_pass(move |_| Box::new(lines_filter_map_ok::LinesFilterMapOk::new(conf))); store.register_late_pass(|_| Box::new(tests_outside_test_module::TestsOutsideTestModule)); - store.register_late_pass(|_| Box::new(manual_slice_size_calculation::ManualSliceSizeCalculation)); + store.register_late_pass(|_| Box::new(manual_slice_size_calculation::ManualSliceSizeCalculation::new(conf))); store.register_early_pass(move || Box::new(excessive_nesting::ExcessiveNesting::new(conf))); store.register_late_pass(|_| Box::new(items_after_test_module::ItemsAfterTestModule)); store.register_early_pass(|| Box::new(ref_patterns::RefPatterns)); @@ -937,6 +938,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(unnecessary_literal_bound::UnnecessaryLiteralBound)); store.register_early_pass(|| Box::new(empty_line_after::EmptyLineAfter::new())); store.register_late_pass(move |_| Box::new(arbitrary_source_item_ordering::ArbitrarySourceItemOrdering::new(conf))); + store.register_late_pass(|_| Box::new(useless_concat::UselessConcat)); store.register_late_pass(|_| Box::new(unneeded_struct_pattern::UnneededStructPattern)); store.register_late_pass(|_| Box::<unnecessary_semicolon::UnnecessarySemicolon>::default()); store.register_late_pass(move |_| Box::new(non_std_lazy_statics::NonStdLazyStatic::new(conf))); diff --git a/src/tools/clippy/clippy_lints/src/lifetimes.rs b/src/tools/clippy/clippy_lints/src/lifetimes.rs index 9a64226b1ed..8fe0c9d60f9 100644 --- a/src/tools/clippy/clippy_lints/src/lifetimes.rs +++ b/src/tools/clippy/clippy_lints/src/lifetimes.rs @@ -159,7 +159,7 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes { fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) { if let ImplItemKind::Fn(ref sig, id) = item.kind { - let report_extra_lifetimes = trait_ref_of_method(cx, item.owner_id.def_id).is_none(); + let report_extra_lifetimes = trait_ref_of_method(cx, item.owner_id).is_none(); check_fn_inner( cx, sig, diff --git a/src/tools/clippy/clippy_lints/src/lines_filter_map_ok.rs b/src/tools/clippy/clippy_lints/src/lines_filter_map_ok.rs index d8af44233d3..14ccb6fce22 100644 --- a/src/tools/clippy/clippy_lints/src/lines_filter_map_ok.rs +++ b/src/tools/clippy/clippy_lints/src/lines_filter_map_ok.rs @@ -2,12 +2,12 @@ use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::{is_diag_item_method, is_trait_method, path_to_local_id}; +use clippy_utils::{is_diag_item_method, is_trait_method, path_to_local_id, sym}; use rustc_errors::Applicability; use rustc_hir::{Body, Closure, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; -use rustc_span::sym; +use rustc_span::Symbol; pub struct LinesFilterMapOk { msrv: Msrv, @@ -74,17 +74,17 @@ impl LateLintPass<'_> for LinesFilterMapOk { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { if let ExprKind::MethodCall(fm_method, fm_receiver, fm_args, fm_span) = expr.kind && is_trait_method(cx, expr, sym::Iterator) - && let fm_method_str = fm_method.ident.as_str() - && matches!(fm_method_str, "filter_map" | "flat_map" | "flatten") + && let fm_method_name = fm_method.ident.name + && matches!(fm_method_name, sym::filter_map | sym::flat_map | sym::flatten) && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty_adjusted(fm_receiver), sym::IoLines) - && should_lint(cx, fm_args, fm_method_str) + && should_lint(cx, fm_args, fm_method_name) && self.msrv.meets(cx, msrvs::MAP_WHILE) { span_lint_and_then( cx, LINES_FILTER_MAP_OK, fm_span, - format!("`{fm_method_str}()` will run forever if the iterator repeatedly produces an `Err`",), + format!("`{fm_method_name}()` will run forever if the iterator repeatedly produces an `Err`",), |diag| { diag.span_note( fm_receiver.span, @@ -101,9 +101,9 @@ impl LateLintPass<'_> for LinesFilterMapOk { } } -fn should_lint(cx: &LateContext<'_>, args: &[Expr<'_>], method_str: &str) -> bool { +fn should_lint(cx: &LateContext<'_>, args: &[Expr<'_>], method_name: Symbol) -> bool { match args { - [] => method_str == "flatten", + [] => method_name == sym::flatten, [fm_arg] => { match &fm_arg.kind { // Detect `Result::ok` @@ -120,7 +120,7 @@ fn should_lint(cx: &LateContext<'_>, args: &[Expr<'_>], method_str: &str) -> boo && path_to_local_id(receiver, param.pat.hir_id) && let Some(method_did) = cx.typeck_results().type_dependent_def_id(value.hir_id) { - is_diag_item_method(cx, method_did, sym::Result) && method.ident.as_str() == "ok" + is_diag_item_method(cx, method_did, sym::Result) && method.ident.name == sym::ok } else { false } diff --git a/src/tools/clippy/clippy_lints/src/loops/char_indices_as_byte_indices.rs b/src/tools/clippy/clippy_lints/src/loops/char_indices_as_byte_indices.rs index 8916454ada1..a702e60f1c2 100644 --- a/src/tools/clippy/clippy_lints/src/loops/char_indices_as_byte_indices.rs +++ b/src/tools/clippy/clippy_lints/src/loops/char_indices_as_byte_indices.rs @@ -3,12 +3,12 @@ use std::ops::ControlFlow; use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::ty::is_type_lang_item; use clippy_utils::visitors::for_each_expr; -use clippy_utils::{eq_expr_value, higher, path_to_local_id}; +use clippy_utils::{eq_expr_value, higher, path_to_local_id, sym}; use rustc_errors::{Applicability, MultiSpan}; use rustc_hir::{Expr, ExprKind, LangItem, Node, Pat, PatKind}; use rustc_lint::LateContext; use rustc_middle::ty::Ty; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol}; use super::CHAR_INDICES_AS_BYTE_INDICES; @@ -16,22 +16,22 @@ use super::CHAR_INDICES_AS_BYTE_INDICES; // Note: `String` also has methods that work with byte indices, // but they all take `&mut self` and aren't worth considering since the user couldn't have called // them while the chars iterator is live anyway. -const BYTE_INDEX_METHODS: &[&str] = &[ - "is_char_boundary", - "floor_char_boundary", - "ceil_char_boundary", - "get", - "index", - "index_mut", - "get_mut", - "get_unchecked", - "get_unchecked_mut", - "slice_unchecked", - "slice_mut_unchecked", - "split_at", - "split_at_mut", - "split_at_checked", - "split_at_mut_checked", +const BYTE_INDEX_METHODS: &[Symbol] = &[ + sym::ceil_char_boundary, + sym::floor_char_boundary, + sym::get, + sym::get_mut, + sym::get_unchecked, + sym::get_unchecked_mut, + sym::index, + sym::index_mut, + sym::is_char_boundary, + sym::slice_mut_unchecked, + sym::slice_unchecked, + sym::split_at, + sym::split_at_checked, + sym::split_at_mut, + sym::split_at_mut_checked, ]; const CONTINUE: ControlFlow<!, ()> = ControlFlow::Continue(()); @@ -88,7 +88,7 @@ fn check_index_usage<'tcx>( // (contrary to the `ExprKind::Index` case which needs to handle both with `is_string_like` because `String` implements // `Index` directly and no deref to `str` would happen in that case). if cx.typeck_results().expr_ty_adjusted(recv).peel_refs().is_str() - && BYTE_INDEX_METHODS.contains(&segment.ident.name.as_str()) + && BYTE_INDEX_METHODS.contains(&segment.ident.name) && eq_expr_value(cx, chars_recv, recv) => { "passing a character position to a method that expects a byte index" diff --git a/src/tools/clippy/clippy_lints/src/loops/explicit_into_iter_loop.rs b/src/tools/clippy/clippy_lints/src/loops/explicit_into_iter_loop.rs index d5ddc33e928..4aa1c2e211d 100644 --- a/src/tools/clippy/clippy_lints/src/loops/explicit_into_iter_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/explicit_into_iter_loop.rs @@ -1,7 +1,7 @@ use super::EXPLICIT_INTO_ITER_LOOP; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::is_trait_method; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::snippet_with_context; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; @@ -76,7 +76,7 @@ pub(super) fn check(cx: &LateContext<'_>, self_arg: &Expr<'_>, call_expr: &Expr< }; let mut applicability = Applicability::MachineApplicable; - let object = snippet_with_applicability(cx, self_arg.span, "_", &mut applicability); + let object = snippet_with_context(cx, self_arg.span, call_expr.span.ctxt(), "_", &mut applicability).0; span_lint_and_sugg( cx, EXPLICIT_INTO_ITER_LOOP, diff --git a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs index d0b26c91ffa..010652e1cb9 100644 --- a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs @@ -1,7 +1,7 @@ use super::EXPLICIT_ITER_LOOP; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::snippet_with_context; use clippy_utils::sym; use clippy_utils::ty::{ implements_trait, implements_trait_with_env, is_copy, is_type_lang_item, make_normalized_projection, @@ -36,7 +36,7 @@ pub(super) fn check( } let mut applicability = Applicability::MachineApplicable; - let object = snippet_with_applicability(cx, self_arg.span, "_", &mut applicability); + let object = snippet_with_context(cx, self_arg.span, call_expr.span.ctxt(), "_", &mut applicability).0; span_lint_and_sugg( cx, EXPLICIT_ITER_LOOP, diff --git a/src/tools/clippy/clippy_lints/src/loops/manual_find.rs b/src/tools/clippy/clippy_lints/src/loops/manual_find.rs index 35737f3eafe..f99989ec6ba 100644 --- a/src/tools/clippy/clippy_lints/src/loops/manual_find.rs +++ b/src/tools/clippy/clippy_lints/src/loops/manual_find.rs @@ -83,6 +83,13 @@ pub(super) fn check<'tcx>( )[..], ); } + + // If the return type requires adjustments, we need to add a `.map` after the iterator + let inner_ret_adjust = cx.typeck_results().expr_adjustments(inner_ret); + if !inner_ret_adjust.is_empty() { + snippet.push_str(".map(|v| v as _)"); + } + // Extends to `last_stmt` to include semicolon in case of `return None;` let lint_span = span.to(last_stmt.span).to(last_ret.span); span_lint_and_then( diff --git a/src/tools/clippy/clippy_lints/src/loops/manual_flatten.rs b/src/tools/clippy/clippy_lints/src/loops/manual_flatten.rs index 9b6f97b9a2e..81f14b7b2b0 100644 --- a/src/tools/clippy/clippy_lints/src/loops/manual_flatten.rs +++ b/src/tools/clippy/clippy_lints/src/loops/manual_flatten.rs @@ -3,7 +3,7 @@ use super::utils::make_iterator_snippet; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::visitors::is_local_used; -use clippy_utils::{higher, path_to_local_id, peel_blocks_with_stmt}; +use clippy_utils::{higher, is_refutable, path_to_local_id, peel_blocks_with_stmt}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::{Expr, Pat, PatKind}; @@ -28,7 +28,7 @@ pub(super) fn check<'tcx>( && let PatKind::Binding(_, pat_hir_id, _, _) = pat.kind && path_to_local_id(let_expr, pat_hir_id) // Ensure the `if let` statement is for the `Some` variant of `Option` or the `Ok` variant of `Result` - && let PatKind::TupleStruct(ref qpath, _, _) = let_pat.kind + && let PatKind::TupleStruct(ref qpath, [inner_pat], _) = let_pat.kind && let Res::Def(DefKind::Ctor(..), ctor_id) = cx.qpath_res(qpath, let_pat.hir_id) && let Some(variant_id) = cx.tcx.opt_parent(ctor_id) && let some_ctor = cx.tcx.lang_items().option_some_variant() == Some(variant_id) @@ -37,6 +37,7 @@ pub(super) fn check<'tcx>( // Ensure expr in `if let` is not used afterwards && !is_local_used(cx, if_then, pat_hir_id) && msrv.meets(cx, msrvs::ITER_FLATTEN) + && !is_refutable(cx, inner_pat) { let if_let_type = if some_ctor { "Some" } else { "Ok" }; // Prepare the error message diff --git a/src/tools/clippy/clippy_lints/src/loops/mod.rs b/src/tools/clippy/clippy_lints/src/loops/mod.rs index 56d2bef2305..01c36b8cb12 100644 --- a/src/tools/clippy/clippy_lints/src/loops/mod.rs +++ b/src/tools/clippy/clippy_lints/src/loops/mod.rs @@ -25,8 +25,8 @@ mod while_let_loop; mod while_let_on_iterator; use clippy_config::Conf; -use clippy_utils::higher; use clippy_utils::msrvs::Msrv; +use clippy_utils::{higher, sym}; use rustc_ast::Label; use rustc_hir::{Expr, ExprKind, LoopSource, Pat}; use rustc_lint::{LateContext, LateLintPass}; @@ -909,15 +909,17 @@ impl Loops { } fn check_for_loop_arg(&self, cx: &LateContext<'_>, _: &Pat<'_>, arg: &Expr<'_>) { - if let ExprKind::MethodCall(method, self_arg, [], _) = arg.kind { - match method.ident.as_str() { - "iter" | "iter_mut" => { + if !arg.span.from_expansion() + && let ExprKind::MethodCall(method, self_arg, [], _) = arg.kind + { + match method.ident.name { + sym::iter | sym::iter_mut => { explicit_iter_loop::check(cx, self_arg, arg, self.msrv, self.enforce_iter_loop_reborrow); }, - "into_iter" => { + sym::into_iter => { explicit_into_iter_loop::check(cx, self_arg, arg); }, - "next" => { + sym::next => { iter_next_loop::check(cx, arg); }, _ => {}, diff --git a/src/tools/clippy/clippy_lints/src/loops/while_let_loop.rs b/src/tools/clippy/clippy_lints/src/loops/while_let_loop.rs index bd04827a1f0..845edb9cae1 100644 --- a/src/tools/clippy/clippy_lints/src/loops/while_let_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/while_let_loop.rs @@ -1,68 +1,65 @@ use super::WHILE_LET_LOOP; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::higher; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::{snippet, snippet_indent, snippet_opt}; use clippy_utils::ty::needs_ordered_drop; use clippy_utils::visitors::any_temporaries_need_ordered_drop; +use clippy_utils::{higher, peel_blocks}; +use rustc_ast::BindingMode; use rustc_errors::Applicability; -use rustc_hir::{Block, Expr, ExprKind, LetStmt, MatchSource, Pat, StmtKind}; +use rustc_hir::{Block, Expr, ExprKind, LetStmt, MatchSource, Pat, PatKind, Path, QPath, StmtKind, Ty}; use rustc_lint::LateContext; pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, loop_block: &'tcx Block<'_>) { - let (init, has_trailing_exprs) = match (loop_block.stmts, loop_block.expr) { - ([stmt, stmts @ ..], expr) => { - if let StmtKind::Let(&LetStmt { + let (init, let_info) = match (loop_block.stmts, loop_block.expr) { + ([stmt, ..], _) => match stmt.kind { + StmtKind::Let(LetStmt { init: Some(e), els: None, + pat, + ty, .. - }) - | StmtKind::Semi(e) - | StmtKind::Expr(e) = stmt.kind - { - (e, !stmts.is_empty() || expr.is_some()) - } else { - return; - } + }) => (*e, Some((*pat, *ty))), + StmtKind::Semi(e) | StmtKind::Expr(e) => (e, None), + _ => return, }, - ([], Some(e)) => (e, false), + ([], Some(e)) => (e, None), _ => return, }; + let has_trailing_exprs = loop_block.stmts.len() + usize::from(loop_block.expr.is_some()) > 1; if let Some(if_let) = higher::IfLet::hir(cx, init) && let Some(else_expr) = if_let.if_else && is_simple_break_expr(else_expr) { - could_be_while_let(cx, expr, if_let.let_pat, if_let.let_expr, has_trailing_exprs); + could_be_while_let( + cx, + expr, + if_let.let_pat, + if_let.let_expr, + has_trailing_exprs, + let_info, + if_let.if_then, + ); } else if let ExprKind::Match(scrutinee, [arm1, arm2], MatchSource::Normal) = init.kind && arm1.guard.is_none() && arm2.guard.is_none() && is_simple_break_expr(arm2.body) { - could_be_while_let(cx, expr, arm1.pat, scrutinee, has_trailing_exprs); + could_be_while_let(cx, expr, arm1.pat, scrutinee, has_trailing_exprs, let_info, arm1.body); } } -/// Returns `true` if expr contains a single break expression without a label or eub-expression. +/// Returns `true` if expr contains a single break expression without a label or sub-expression, +/// possibly embedded in blocks. fn is_simple_break_expr(e: &Expr<'_>) -> bool { - matches!(peel_blocks(e).kind, ExprKind::Break(dest, None) if dest.label.is_none()) -} - -/// Removes any blocks containing only a single expression. -fn peel_blocks<'tcx>(e: &'tcx Expr<'tcx>) -> &'tcx Expr<'tcx> { if let ExprKind::Block(b, _) = e.kind { match (b.stmts, b.expr) { - ([s], None) => { - if let StmtKind::Expr(e) | StmtKind::Semi(e) = s.kind { - peel_blocks(e) - } else { - e - } - }, - ([], Some(e)) => peel_blocks(e), - _ => e, + ([s], None) => matches!(s.kind, StmtKind::Expr(e) | StmtKind::Semi(e) if is_simple_break_expr(e)), + ([], Some(e)) => is_simple_break_expr(e), + _ => false, } } else { - e + matches!(e.kind, ExprKind::Break(dest, None) if dest.label.is_none()) } } @@ -72,6 +69,8 @@ fn could_be_while_let<'tcx>( let_pat: &'tcx Pat<'_>, let_expr: &'tcx Expr<'_>, has_trailing_exprs: bool, + let_info: Option<(&Pat<'_>, Option<&Ty<'_>>)>, + inner_expr: &Expr<'_>, ) { if has_trailing_exprs && (needs_ordered_drop(cx, cx.typeck_results().expr_ty(let_expr)) @@ -86,7 +85,24 @@ fn could_be_while_let<'tcx>( // 1) it was ugly with big bodies; // 2) it was not indented properly; // 3) it wasn’t very smart (see #675). - let mut applicability = Applicability::HasPlaceholders; + let inner_content = if let Some((pat, ty)) = let_info + // Prevent trivial reassignments such as `let x = x;` or `let _ = …;`, but + // keep them if the type has been explicitly specified. + && (!is_trivial_assignment(pat, peel_blocks(inner_expr)) || ty.is_some()) + && let Some(pat_str) = snippet_opt(cx, pat.span) + && let Some(init_str) = snippet_opt(cx, peel_blocks(inner_expr).span) + { + let ty_str = ty + .map(|ty| format!(": {}", snippet(cx, ty.span, "_"))) + .unwrap_or_default(); + format!( + "\n{indent} let {pat_str}{ty_str} = {init_str};\n{indent} ..\n{indent}", + indent = snippet_indent(cx, expr.span).unwrap_or_default(), + ) + } else { + " .. ".into() + }; + span_lint_and_sugg( cx, WHILE_LET_LOOP, @@ -94,10 +110,21 @@ fn could_be_while_let<'tcx>( "this loop could be written as a `while let` loop", "try", format!( - "while let {} = {} {{ .. }}", - snippet_with_applicability(cx, let_pat.span, "..", &mut applicability), - snippet_with_applicability(cx, let_expr.span, "..", &mut applicability), + "while let {} = {} {{{inner_content}}}", + snippet(cx, let_pat.span, ".."), + snippet(cx, let_expr.span, ".."), ), - applicability, + Applicability::HasPlaceholders, ); } + +fn is_trivial_assignment(pat: &Pat<'_>, init: &Expr<'_>) -> bool { + match (pat.kind, init.kind) { + (PatKind::Wild, _) => true, + ( + PatKind::Binding(BindingMode::NONE, _, pat_ident, None), + ExprKind::Path(QPath::Resolved(None, Path { segments: [init], .. })), + ) => pat_ident.name == init.ident.name, + _ => false, + } +} diff --git a/src/tools/clippy/clippy_lints/src/manual_is_power_of_two.rs b/src/tools/clippy/clippy_lints/src/manual_is_power_of_two.rs index b4cd988329d..4439a28763a 100644 --- a/src/tools/clippy/clippy_lints/src/manual_is_power_of_two.rs +++ b/src/tools/clippy/clippy_lints/src/manual_is_power_of_two.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::sugg::Sugg; use clippy_utils::ty::ty_from_hir_ty; -use clippy_utils::{SpanlessEq, is_in_const_context, is_integer_literal}; +use clippy_utils::{SpanlessEq, is_in_const_context, is_integer_literal, sym}; use rustc_errors::Applicability; use rustc_hir::{BinOpKind, Expr, ExprKind, QPath}; use rustc_lint::{LateContext, LateLintPass}; @@ -103,7 +103,7 @@ fn count_ones_receiver<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> Optio } else { return None; }; - (method.ident.as_str() == "count_ones" && matches!(ty.kind(), ty::Uint(_))).then_some(receiver) + (method.ident.name == sym::count_ones && matches!(ty.kind(), ty::Uint(_))).then_some(receiver) } /// Return `greater` if `smaller == greater - 1` diff --git a/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs b/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs index 067b92cd46e..3562b1ff5cc 100644 --- a/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs +++ b/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs @@ -87,7 +87,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustive { } match item.kind { - ItemKind::Enum(_, def, _) if def.variants.len() > 1 => { + ItemKind::Enum(_, _, def) if def.variants.len() > 1 => { let iter = def.variants.iter().filter_map(|v| { (matches!(v.data, VariantData::Unit(_, _)) && is_doc_hidden(cx.tcx.hir_attrs(v.hir_id))) .then_some((v.def_id, v.span)) @@ -98,7 +98,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustive { self.potential_enums.push((item.owner_id.def_id, id, item.span, span)); } }, - ItemKind::Struct(_, variant_data, _) => { + ItemKind::Struct(_, _, variant_data) => { let fields = variant_data.fields(); let private_fields = fields .iter() diff --git a/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs b/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs index 2dad0fa4925..0c09a47c965 100644 --- a/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs +++ b/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs @@ -1,11 +1,13 @@ +use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::snippet_with_context; use clippy_utils::{expr_or_init, is_in_const_context, std_or_core}; use rustc_errors::Applicability; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; use rustc_span::symbol::sym; declare_clippy_lint! { @@ -36,20 +38,33 @@ declare_clippy_lint! { complexity, "manual slice size calculation" } -declare_lint_pass!(ManualSliceSizeCalculation => [MANUAL_SLICE_SIZE_CALCULATION]); +impl_lint_pass!(ManualSliceSizeCalculation => [MANUAL_SLICE_SIZE_CALCULATION]); + +pub struct ManualSliceSizeCalculation { + msrv: Msrv, +} + +impl ManualSliceSizeCalculation { + pub fn new(conf: &Conf) -> Self { + Self { msrv: conf.msrv } + } +} impl<'tcx> LateLintPass<'tcx> for ManualSliceSizeCalculation { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { if let ExprKind::Binary(ref op, left, right) = expr.kind && BinOpKind::Mul == op.node && !expr.span.from_expansion() - // Does not apply inside const because size_of_val is not cost in stable. - && !is_in_const_context(cx) && let Some((receiver, refs_count)) = simplify(cx, left, right) + && (!is_in_const_context(cx) || self.msrv.meets(cx, msrvs::CONST_SIZE_OF_VAL)) { let ctxt = expr.span.ctxt(); let mut app = Applicability::MachineApplicable; - let deref = "*".repeat(refs_count - 1); + let deref = if refs_count > 0 { + "*".repeat(refs_count - 1) + } else { + "&".into() + }; let val_name = snippet_with_context(cx, receiver.span, ctxt, "slice", &mut app).0; let Some(sugg) = std_or_core(cx) else { return }; diff --git a/src/tools/clippy/clippy_lints/src/manual_string_new.rs b/src/tools/clippy/clippy_lints/src/manual_string_new.rs index 7ca3b712066..73ee1c3c78a 100644 --- a/src/tools/clippy/clippy_lints/src/manual_string_new.rs +++ b/src/tools/clippy/clippy_lints/src/manual_string_new.rs @@ -5,7 +5,7 @@ use rustc_hir::{Expr, ExprKind, PathSegment, QPath, TyKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::declare_lint_pass; -use rustc_span::{Span, sym, symbol}; +use rustc_span::{Span, sym}; declare_clippy_lint! { /// ### What it does @@ -67,7 +67,7 @@ impl LateLintPass<'_> for ManualStringNew { fn is_expr_kind_empty_str(expr_kind: &ExprKind<'_>) -> bool { if let ExprKind::Lit(lit) = expr_kind && let LitKind::Str(value, _) = lit.node - && value == symbol::kw::Empty + && value == sym::empty { return true; } diff --git a/src/tools/clippy/clippy_lints/src/map_unit_fn.rs b/src/tools/clippy/clippy_lints/src/map_unit_fn.rs index b607f8117eb..af6a1b07a49 100644 --- a/src/tools/clippy/clippy_lints/src/map_unit_fn.rs +++ b/src/tools/clippy/clippy_lints/src/map_unit_fn.rs @@ -255,7 +255,7 @@ impl LateLintPass<'_> for MapUnit { fn check_stmt(&mut self, cx: &LateContext<'_>, stmt: &hir::Stmt<'_>) { if let hir::StmtKind::Semi(expr) = stmt.kind && !stmt.span.from_expansion() - && let Some(arglists) = method_chain_args(expr, &["map"]) + && let Some(arglists) = method_chain_args(expr, &[sym::map]) { lint_map_unit_fn(cx, stmt, expr, arglists[0]); } diff --git a/src/tools/clippy/clippy_lints/src/matches/manual_unwrap_or.rs b/src/tools/clippy/clippy_lints/src/matches/manual_unwrap_or.rs index 3ac2c9fc2b3..8c3f52542d9 100644 --- a/src/tools/clippy/clippy_lints/src/matches/manual_unwrap_or.rs +++ b/src/tools/clippy/clippy_lints/src/matches/manual_unwrap_or.rs @@ -109,7 +109,7 @@ fn handle( && implements_trait(cx, expr_type, default_trait_id, &[]) // We check if the initial condition implements Default. && let Some(condition_ty) = cx.typeck_results().expr_ty(condition).walk().nth(1) - && let GenericArgKind::Type(condition_ty) = condition_ty.unpack() + && let GenericArgKind::Type(condition_ty) = condition_ty.kind() && implements_trait(cx, condition_ty, default_trait_id, &[]) && is_default_equivalent(cx, peel_blocks(body_none)) { diff --git a/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs b/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs index a21597ffb93..dbb29ee776b 100644 --- a/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs +++ b/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs @@ -1,8 +1,9 @@ -use clippy_utils::diagnostics::span_lint_hir_and_then; -use clippy_utils::source::snippet_with_applicability; -use clippy_utils::{SpanlessEq, SpanlessHash, is_lint_allowed, path_to_local, search_same}; +use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::source::SpanRangeExt; +use clippy_utils::{SpanlessEq, SpanlessHash, fulfill_or_allowed, is_lint_allowed, path_to_local, search_same}; use core::cmp::Ordering; use core::{iter, slice}; +use itertools::Itertools; use rustc_arena::DroplessArena; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -110,57 +111,68 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) { && check_same_body() }; - let mut appl = Applicability::MaybeIncorrect; let indexed_arms: Vec<(usize, &Arm<'_>)> = arms.iter().enumerate().collect(); - for (&(i, arm1), &(j, arm2)) in search_same(&indexed_arms, hash, eq) { - if matches!(arm2.pat.kind, PatKind::Wild) { - if !cx.tcx.features().non_exhaustive_omitted_patterns_lint() - || is_lint_allowed(cx, NON_EXHAUSTIVE_OMITTED_PATTERNS, arm2.hir_id) - { - let arm_span = adjusted_arm_span(cx, arm1.span); - span_lint_hir_and_then( - cx, - MATCH_SAME_ARMS, - arm1.hir_id, - arm_span, - "this match arm has an identical body to the `_` wildcard arm", - |diag| { - diag.span_suggestion(arm_span, "try removing the arm", "", appl) - .help("or try changing either arm body") - .span_note(arm2.span, "`_` wildcard arm here"); - }, - ); - } - } else { - let back_block = backwards_blocking_idxs[j]; - let (keep_arm, move_arm) = if back_block < i || (back_block == 0 && forwards_blocking_idxs[i] <= j) { - (arm1, arm2) - } else { - (arm2, arm1) - }; - - span_lint_hir_and_then( - cx, - MATCH_SAME_ARMS, - keep_arm.hir_id, - keep_arm.span, - "this match arm has an identical body to another arm", - |diag| { - let move_pat_snip = snippet_with_applicability(cx, move_arm.pat.span, "<pat2>", &mut appl); - let keep_pat_snip = snippet_with_applicability(cx, keep_arm.pat.span, "<pat1>", &mut appl); + for mut group in search_same(&indexed_arms, hash, eq) { + // Filter out (and fulfill) `#[allow]`ed and `#[expect]`ed arms + group.retain(|(_, arm)| !fulfill_or_allowed(cx, MATCH_SAME_ARMS, [arm.hir_id])); - diag.multipart_suggestion( - "or try merging the arm patterns and removing the obsolete arm", - vec![ - (keep_arm.pat.span, format!("{keep_pat_snip} | {move_pat_snip}")), - (adjusted_arm_span(cx, move_arm.span), String::new()), - ], - appl, - ) - .help("try changing either arm body"); - }, - ); + if group.len() < 2 { + continue; } + + span_lint_and_then( + cx, + MATCH_SAME_ARMS, + group.iter().map(|(_, arm)| arm.span).collect_vec(), + "these match arms have identical bodies", + |diag| { + diag.help("if this is unintentional make the arms return different values"); + + if let [prev @ .., (_, last)] = group.as_slice() + && is_wildcard_arm(last.pat) + && is_lint_allowed(cx, NON_EXHAUSTIVE_OMITTED_PATTERNS, last.hir_id) + { + diag.span_label(last.span, "the wildcard arm"); + + let s = if prev.len() > 1 { "s" } else { "" }; + diag.multipart_suggestion_verbose( + format!("otherwise remove the non-wildcard arm{s}"), + prev.iter() + .map(|(_, arm)| (adjusted_arm_span(cx, arm.span), String::new())) + .collect(), + Applicability::MaybeIncorrect, + ); + } else if let &[&(first_idx, _), .., &(last_idx, _)] = group.as_slice() { + let back_block = backwards_blocking_idxs[last_idx]; + let split = if back_block < first_idx + || (back_block == 0 && forwards_blocking_idxs[first_idx] <= last_idx) + { + group.split_first() + } else { + group.split_last() + }; + + if let Some(((_, dest), src)) = split + && let Some(pat_snippets) = group + .iter() + .map(|(_, arm)| arm.pat.span.get_source_text(cx)) + .collect::<Option<Vec<_>>>() + { + let mut suggs = src + .iter() + .map(|(_, arm)| (adjusted_arm_span(cx, arm.span), String::new())) + .collect_vec(); + + suggs.push((dest.pat.span, pat_snippets.iter().join(" | "))); + diag.multipart_suggestion_verbose( + "otherwise merge the patterns into a single arm", + suggs, + Applicability::MaybeIncorrect, + ); + } + } + }, + ); } } @@ -450,3 +462,11 @@ fn bindings_eq(pat: &Pat<'_>, mut ids: HirIdSet) -> bool { pat.each_binding_or_first(&mut |_, id, _, _| result &= ids.swap_remove(&id)); result && ids.is_empty() } + +fn is_wildcard_arm(pat: &Pat<'_>) -> bool { + match pat.kind { + PatKind::Wild => true, + PatKind::Or([.., last]) => matches!(last.kind, PatKind::Wild), + _ => false, + } +} diff --git a/src/tools/clippy/clippy_lints/src/matches/mod.rs b/src/tools/clippy/clippy_lints/src/matches/mod.rs index c6ebd6144c7..c128fc40b73 100644 --- a/src/tools/clippy/clippy_lints/src/matches/mod.rs +++ b/src/tools/clippy/clippy_lints/src/matches/mod.rs @@ -28,7 +28,7 @@ use clippy_config::Conf; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::walk_span_to_context; use clippy_utils::{ - higher, is_direct_expn_of, is_in_const_context, is_span_match, span_contains_cfg, span_extract_comments, + higher, is_direct_expn_of, is_in_const_context, is_span_match, span_contains_cfg, span_extract_comments, sym, }; use rustc_hir::{Arm, Expr, ExprKind, LetStmt, MatchSource, Pat, PatKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; @@ -1053,13 +1053,13 @@ impl_lint_pass!(Matches => [ impl<'tcx> LateLintPass<'tcx> for Matches { #[expect(clippy::too_many_lines)] fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if is_direct_expn_of(expr.span, "matches").is_none() && expr.span.in_external_macro(cx.sess().source_map()) { + if is_direct_expn_of(expr.span, sym::matches).is_none() && expr.span.in_external_macro(cx.sess().source_map()) { return; } let from_expansion = expr.span.from_expansion(); if let ExprKind::Match(ex, arms, source) = expr.kind { - if is_direct_expn_of(expr.span, "matches").is_some() + if is_direct_expn_of(expr.span, sym::matches).is_some() && let [arm, _] = arms { redundant_pattern_match::check_match(cx, expr, ex, arms); diff --git a/src/tools/clippy/clippy_lints/src/matches/needless_match.rs b/src/tools/clippy/clippy_lints/src/matches/needless_match.rs index 6c5d7cab203..b04db03f8d2 100644 --- a/src/tools/clippy/clippy_lints/src/matches/needless_match.rs +++ b/src/tools/clippy/clippy_lints/src/matches/needless_match.rs @@ -74,7 +74,7 @@ fn check_all_arms(cx: &LateContext<'_>, match_expr: &Expr<'_>, arms: &[Arm<'_>]) } if let PatKind::Wild = arm.pat.kind { - if !eq_expr_value(cx, match_expr, strip_return(arm_expr)) { + if !eq_expr_value(cx, match_expr, arm_expr) { return false; } } else if !pat_same_as_expr(arm.pat, arm_expr) { @@ -103,27 +103,18 @@ fn check_if_let_inner(cx: &LateContext<'_>, if_let: &higher::IfLet<'_>) -> bool if matches!(else_expr.kind, ExprKind::Block(..)) { return false; } - let ret = strip_return(else_expr); let let_expr_ty = cx.typeck_results().expr_ty(if_let.let_expr); if is_type_diagnostic_item(cx, let_expr_ty, sym::Option) { - return is_res_lang_ctor(cx, path_res(cx, ret), OptionNone) || eq_expr_value(cx, if_let.let_expr, ret); + return is_res_lang_ctor(cx, path_res(cx, else_expr), OptionNone) + || eq_expr_value(cx, if_let.let_expr, else_expr); } - return eq_expr_value(cx, if_let.let_expr, ret); + return eq_expr_value(cx, if_let.let_expr, else_expr); } } false } -/// Strip `return` keyword if the expression type is `ExprKind::Ret`. -fn strip_return<'hir>(expr: &'hir Expr<'hir>) -> &'hir Expr<'hir> { - if let ExprKind::Ret(Some(ret)) = expr.kind { - ret - } else { - expr - } -} - /// Manually check for coercion casting by checking if the type of the match operand or let expr /// differs with the assigned local variable or the function return type. fn expr_ty_matches_p_ty(cx: &LateContext<'_>, expr: &Expr<'_>, p_expr: &Expr<'_>) -> bool { @@ -161,7 +152,6 @@ fn expr_ty_matches_p_ty(cx: &LateContext<'_>, expr: &Expr<'_>, p_expr: &Expr<'_> } fn pat_same_as_expr(pat: &Pat<'_>, expr: &Expr<'_>) -> bool { - let expr = strip_return(expr); match (&pat.kind, &expr.kind) { // Example: `Some(val) => Some(val)` (PatKind::TupleStruct(QPath::Resolved(_, path), tuple_params, _), ExprKind::Call(call_expr, call_params)) => { diff --git a/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs b/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs index 9bbef8da0a4..7c6d45e4240 100644 --- a/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs +++ b/src/tools/clippy/clippy_lints/src/matches/redundant_guards.rs @@ -3,14 +3,14 @@ use clippy_utils::macros::matching_root_macro_call; use clippy_utils::msrvs::Msrv; use clippy_utils::source::snippet; use clippy_utils::visitors::{for_each_expr_without_closures, is_local_used}; -use clippy_utils::{is_in_const_context, path_to_local}; +use clippy_utils::{is_in_const_context, path_to_local, sym}; use rustc_ast::{BorrowKind, LitKind}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::{Arm, BinOpKind, Expr, ExprKind, MatchSource, Node, PatKind, UnOp}; use rustc_lint::LateContext; use rustc_span::symbol::Ident; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol}; use std::borrow::Cow; use std::ops::ControlFlow; @@ -95,7 +95,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'tcx>], msrv: } else if let ExprKind::MethodCall(path, recv, args, ..) = guard.kind && let Some(binding) = get_pat_binding(cx, recv, outer_arm) { - check_method_calls(cx, outer_arm, path.ident.name.as_str(), recv, args, guard, &binding); + check_method_calls(cx, outer_arm, path.ident.name, recv, args, guard, &binding); } } } @@ -103,7 +103,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'tcx>], msrv: fn check_method_calls<'tcx>( cx: &LateContext<'tcx>, arm: &Arm<'tcx>, - method: &str, + method: Symbol, recv: &Expr<'_>, args: &[Expr<'_>], if_expr: &Expr<'_>, @@ -112,7 +112,7 @@ fn check_method_calls<'tcx>( let ty = cx.typeck_results().expr_ty(recv).peel_refs(); let slice_like = ty.is_slice() || ty.is_array(); - let sugg = if method == "is_empty" { + let sugg = if method == sym::is_empty { // `s if s.is_empty()` becomes "" // `arr if arr.is_empty()` becomes [] @@ -137,9 +137,9 @@ fn check_method_calls<'tcx>( if needles.is_empty() { sugg.insert_str(1, ".."); - } else if method == "starts_with" { + } else if method == sym::starts_with { sugg.insert_str(sugg.len() - 1, ", .."); - } else if method == "ends_with" { + } else if method == sym::ends_with { sugg.insert_str(1, ".., "); } else { return; diff --git a/src/tools/clippy/clippy_lints/src/matches/redundant_pattern_match.rs b/src/tools/clippy/clippy_lints/src/matches/redundant_pattern_match.rs index db20be40f27..c936c96f971 100644 --- a/src/tools/clippy/clippy_lints/src/matches/redundant_pattern_match.rs +++ b/src/tools/clippy/clippy_lints/src/matches/redundant_pattern_match.rs @@ -108,7 +108,7 @@ fn find_match_true<'tcx>( fn try_get_generic_ty(ty: Ty<'_>, index: usize) -> Option<Ty<'_>> { if let ty::Adt(_, subs) = ty.kind() && let Some(sub) = subs.get(index) - && let GenericArgKind::Type(sub_ty) = sub.unpack() + && let GenericArgKind::Type(sub_ty) = sub.kind() { Some(sub_ty) } else { @@ -273,7 +273,7 @@ pub(super) fn check_match<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, op let node_pair = (&arms[0].pat.kind, &arms[1].pat.kind); if let Some((good_method, maybe_guard)) = found_good_method(cx, arms, node_pair) { - let span = is_expn_of(expr.span, "matches").unwrap_or(expr.span.to(op.span)); + let span = is_expn_of(expr.span, sym::matches).unwrap_or(expr.span.to(op.span)); let result_expr = match &op.kind { ExprKind::AddrOf(_, _, borrowed) => borrowed, _ => op, diff --git a/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index d7dc7604088..88b4d9b7d54 100644 --- a/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -4,7 +4,7 @@ use crate::FxHashSet; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{first_line_of_span, indent_of, snippet}; use clippy_utils::ty::{for_each_top_level_late_bound_region, is_copy}; -use clippy_utils::{get_attr, is_lint_allowed}; +use clippy_utils::{get_attr, is_lint_allowed, sym}; use itertools::Itertools; use rustc_ast::Mutability; use rustc_data_structures::fx::FxIndexSet; @@ -186,7 +186,7 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { && get_attr( self.cx.sess(), self.cx.tcx.get_attrs_unchecked(adt.did()), - "has_significant_drop", + sym::has_significant_drop, ) .count() > 0 @@ -208,12 +208,12 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { // (to avoid false positive on `Ref<'a, MutexGuard<Foo>>`) || (args .iter() - .all(|arg| !matches!(arg.unpack(), GenericArgKind::Lifetime(_))) + .all(|arg| !matches!(arg.kind(), GenericArgKind::Lifetime(_))) // some generic parameter has significant drop // (to avoid false negative on `Box<MutexGuard<Foo>>`) && args .iter() - .filter_map(|arg| match arg.unpack() { + .filter_map(|arg| match arg.kind() { GenericArgKind::Type(ty) => Some(ty), _ => None, }) diff --git a/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs b/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs index de22514c37c..02fc09170e5 100644 --- a/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs +++ b/src/tools/clippy/clippy_lints/src/methods/bytes_nth.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; +use clippy_utils::sym; use clippy_utils::ty::is_type_lang_item; use rustc_errors::Applicability; use rustc_hir::{Expr, LangItem}; @@ -25,7 +26,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, recv: &'tcx E if let Some(parent) = clippy_utils::get_parent_expr(cx, expr) && let Some((name, _, _, _, _)) = method_call(parent) - && name == "unwrap" + && name == sym::unwrap { span_lint_and_sugg( cx, diff --git a/src/tools/clippy/clippy_lints/src/methods/chars_cmp.rs b/src/tools/clippy/clippy_lints/src/methods/chars_cmp.rs index 4ae0aeea2d1..de27a45ba4d 100644 --- a/src/tools/clippy/clippy_lints/src/methods/chars_cmp.rs +++ b/src/tools/clippy/clippy_lints/src/methods/chars_cmp.rs @@ -5,12 +5,13 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, Lint}; use rustc_middle::ty; +use rustc_span::Symbol; /// Wrapper fn for `CHARS_NEXT_CMP` and `CHARS_LAST_CMP` lints. pub(super) fn check( cx: &LateContext<'_>, info: &crate::methods::BinaryExprInfo<'_>, - chain_methods: &[&str], + chain_methods: &[Symbol], lint: &'static Lint, suggest: &str, ) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/methods/chars_cmp_with_unwrap.rs b/src/tools/clippy/clippy_lints/src/methods/chars_cmp_with_unwrap.rs index 9c45ec2e56c..1c72a973cfa 100644 --- a/src/tools/clippy/clippy_lints/src/methods/chars_cmp_with_unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/methods/chars_cmp_with_unwrap.rs @@ -5,12 +5,13 @@ use rustc_ast::ast; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, Lint}; +use rustc_span::Symbol; /// Wrapper fn for `CHARS_NEXT_CMP` and `CHARS_LAST_CMP` lints with `unwrap()`. pub(super) fn check( cx: &LateContext<'_>, info: &crate::methods::BinaryExprInfo<'_>, - chain_methods: &[&str], + chain_methods: &[Symbol], lint: &'static Lint, suggest: &str, ) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp.rs b/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp.rs index 2efff4c3c54..8729e91d191 100644 --- a/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp.rs +++ b/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp.rs @@ -1,13 +1,14 @@ use crate::methods::chars_cmp; +use clippy_utils::sym; use rustc_lint::LateContext; use super::CHARS_LAST_CMP; /// Checks for the `CHARS_LAST_CMP` lint. pub(super) fn check(cx: &LateContext<'_>, info: &crate::methods::BinaryExprInfo<'_>) -> bool { - if chars_cmp::check(cx, info, &["chars", "last"], CHARS_LAST_CMP, "ends_with") { + if chars_cmp::check(cx, info, &[sym::chars, sym::last], CHARS_LAST_CMP, "ends_with") { true } else { - chars_cmp::check(cx, info, &["chars", "next_back"], CHARS_LAST_CMP, "ends_with") + chars_cmp::check(cx, info, &[sym::chars, sym::next_back], CHARS_LAST_CMP, "ends_with") } } diff --git a/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp_with_unwrap.rs b/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp_with_unwrap.rs index 5b8713f7d79..027d0a3947b 100644 --- a/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp_with_unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/methods/chars_last_cmp_with_unwrap.rs @@ -1,13 +1,26 @@ use crate::methods::chars_cmp_with_unwrap; +use clippy_utils::sym; use rustc_lint::LateContext; use super::CHARS_LAST_CMP; /// Checks for the `CHARS_LAST_CMP` lint with `unwrap()`. pub(super) fn check(cx: &LateContext<'_>, info: &crate::methods::BinaryExprInfo<'_>) -> bool { - if chars_cmp_with_unwrap::check(cx, info, &["chars", "last", "unwrap"], CHARS_LAST_CMP, "ends_with") { + if chars_cmp_with_unwrap::check( + cx, + info, + &[sym::chars, sym::last, sym::unwrap], + CHARS_LAST_CMP, + "ends_with", + ) { true } else { - chars_cmp_with_unwrap::check(cx, info, &["chars", "next_back", "unwrap"], CHARS_LAST_CMP, "ends_with") + chars_cmp_with_unwrap::check( + cx, + info, + &[sym::chars, sym::next_back, sym::unwrap], + CHARS_LAST_CMP, + "ends_with", + ) } } diff --git a/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp.rs b/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp.rs index b631fecab97..2438843bf3a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp.rs +++ b/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp.rs @@ -1,8 +1,9 @@ +use clippy_utils::sym; use rustc_lint::LateContext; use super::CHARS_NEXT_CMP; /// Checks for the `CHARS_NEXT_CMP` lint. pub(super) fn check(cx: &LateContext<'_>, info: &crate::methods::BinaryExprInfo<'_>) -> bool { - crate::methods::chars_cmp::check(cx, info, &["chars", "next"], CHARS_NEXT_CMP, "starts_with") + crate::methods::chars_cmp::check(cx, info, &[sym::chars, sym::next], CHARS_NEXT_CMP, "starts_with") } diff --git a/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp_with_unwrap.rs b/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp_with_unwrap.rs index caf21d3ff3b..9b3609f19d7 100644 --- a/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp_with_unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/methods/chars_next_cmp_with_unwrap.rs @@ -1,8 +1,15 @@ +use clippy_utils::sym; use rustc_lint::LateContext; use super::CHARS_NEXT_CMP; /// Checks for the `CHARS_NEXT_CMP` lint with `unwrap()`. pub(super) fn check(cx: &LateContext<'_>, info: &crate::methods::BinaryExprInfo<'_>) -> bool { - crate::methods::chars_cmp_with_unwrap::check(cx, info, &["chars", "next", "unwrap"], CHARS_NEXT_CMP, "starts_with") + crate::methods::chars_cmp_with_unwrap::check( + cx, + info, + &[sym::chars, sym::next, sym::unwrap], + CHARS_NEXT_CMP, + "starts_with", + ) } diff --git a/src/tools/clippy/clippy_lints/src/methods/collapsible_str_replace.rs b/src/tools/clippy/clippy_lints/src/methods/collapsible_str_replace.rs index f7bf8764bde..6d0b944df55 100644 --- a/src/tools/clippy/clippy_lints/src/methods/collapsible_str_replace.rs +++ b/src/tools/clippy/clippy_lints/src/methods/collapsible_str_replace.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; use clippy_utils::visitors::for_each_expr_without_closures; -use clippy_utils::{eq_expr_value, get_parent_expr}; +use clippy_utils::{eq_expr_value, get_parent_expr, sym}; use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir as hir; @@ -22,7 +22,7 @@ pub(super) fn check<'tcx>( // If the parent node's `to` argument is the same as the `to` argument // of the last replace call in the current chain, don't lint as it was already linted if let Some(parent) = get_parent_expr(cx, expr) - && let Some(("replace", _, [current_from, current_to], _, _)) = method_call(parent) + && let Some((sym::replace, _, [current_from, current_to], _, _)) = method_call(parent) && eq_expr_value(cx, to, current_to) && from_kind == cx.typeck_results().expr_ty(current_from).peel_refs().kind() { @@ -47,7 +47,7 @@ fn collect_replace_calls<'tcx>( let mut from_args = VecDeque::new(); let _: Option<()> = for_each_expr_without_closures(expr, |e| { - if let Some(("replace", _, [from, to], _, _)) = method_call(e) { + if let Some((sym::replace, _, [from, to], _, _)) = method_call(e) { if eq_expr_value(cx, to_arg, to) && cx.typeck_results().expr_ty(from).peel_refs().is_char() { methods.push_front(e); from_args.push_front(from); diff --git a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs index f5688e370a4..82e5a6d5a41 100644 --- a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs +++ b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs @@ -6,8 +6,8 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; use rustc_middle::ty; -use rustc_span::Span; use rustc_span::symbol::sym; +use rustc_span::{Span, Symbol}; use std::borrow::Cow; use super::EXPECT_FUN_CALL; @@ -19,7 +19,7 @@ pub(super) fn check<'tcx>( format_args_storage: &FormatArgsStorage, expr: &hir::Expr<'_>, method_span: Span, - name: &str, + name: Symbol, receiver: &'tcx hir::Expr<'tcx>, args: &'tcx [hir::Expr<'tcx>], ) { @@ -114,7 +114,7 @@ pub(super) fn check<'tcx>( } } - if args.len() != 1 || name != "expect" || !is_call(&args[0].kind) { + if args.len() != 1 || name != sym::expect || !is_call(&args[0].kind) { return; } diff --git a/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs b/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs index 460ec7b3640..db60061904f 100644 --- a/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs +++ b/src/tools/clippy/clippy_lints/src/methods/extend_with_drain.rs @@ -1,10 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; +use clippy_utils::sym; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, LangItem}; use rustc_lint::LateContext; -use rustc_span::symbol::sym; use super::EXTEND_WITH_DRAIN; @@ -13,7 +13,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, arg: if is_type_diagnostic_item(cx, ty, sym::Vec) //check source object && let ExprKind::MethodCall(src_method, drain_vec, [drain_arg], _) = &arg.kind - && src_method.ident.as_str() == "drain" + && src_method.ident.name == sym::drain && let src_ty = cx.typeck_results().expr_ty(drain_vec) //check if actual src type is mutable for code suggestion && let immutable = src_ty.is_mutable_ptr() diff --git a/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs b/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs index 519091406cc..9724463f0c0 100644 --- a/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs +++ b/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs @@ -1,15 +1,15 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_context; use clippy_utils::ty::implements_trait; -use clippy_utils::{is_diag_item_method, is_diag_trait_item, peel_middle_ty_refs}; +use clippy_utils::{is_diag_item_method, is_diag_trait_item, peel_middle_ty_refs, sym}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; -use rustc_span::sym; +use rustc_span::Symbol; use super::IMPLICIT_CLONE; -pub fn check(cx: &LateContext<'_>, method_name: &str, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) { +pub fn check(cx: &LateContext<'_>, method_name: Symbol, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) { if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) && is_clone_like(cx, method_name, method_def_id) && let return_type = cx.typeck_results().expr_ty(expr) @@ -43,12 +43,12 @@ pub fn check(cx: &LateContext<'_>, method_name: &str, expr: &hir::Expr<'_>, recv /// Note that `to_string` is not flagged by `implicit_clone`. So other lints that call /// `is_clone_like` and that do flag `to_string` must handle it separately. See, e.g., /// `is_to_owned_like` in `unnecessary_to_owned.rs`. -pub fn is_clone_like(cx: &LateContext<'_>, method_name: &str, method_def_id: hir::def_id::DefId) -> bool { +pub fn is_clone_like(cx: &LateContext<'_>, method_name: Symbol, method_def_id: hir::def_id::DefId) -> bool { match method_name { - "to_os_string" => is_diag_item_method(cx, method_def_id, sym::OsStr), - "to_owned" => is_diag_trait_item(cx, method_def_id, sym::ToOwned), - "to_path_buf" => is_diag_item_method(cx, method_def_id, sym::Path), - "to_vec" => cx + sym::to_os_string => is_diag_item_method(cx, method_def_id, sym::OsStr), + sym::to_owned => is_diag_trait_item(cx, method_def_id, sym::ToOwned), + sym::to_path_buf => is_diag_item_method(cx, method_def_id, sym::Path), + sym::to_vec => cx .tcx .impl_of_method(method_def_id) .filter(|&impl_did| { diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs b/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs index 17cc07b91c5..b4ab313fe98 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_cloned_collect.rs @@ -5,11 +5,16 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; use rustc_middle::ty; -use rustc_span::sym; +use rustc_span::{Symbol, sym}; use super::ITER_CLONED_COLLECT; -pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, method_name: &str, expr: &hir::Expr<'_>, recv: &'tcx hir::Expr<'_>) { +pub(super) fn check<'tcx>( + cx: &LateContext<'tcx>, + method_name: Symbol, + expr: &hir::Expr<'_>, + recv: &'tcx hir::Expr<'_>, +) { let expr_ty = cx.typeck_results().expr_ty(expr); if is_type_diagnostic_item(cx, expr_ty, sym::Vec) && let Some(slice) = derefs_to_slice(cx, recv, cx.typeck_results().expr_ty(recv)) diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_count.rs b/src/tools/clippy/clippy_lints/src/methods/iter_count.rs index 209cf2fcc0a..6b64cc8b50a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_count.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_count.rs @@ -5,11 +5,11 @@ use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; -use rustc_span::sym; +use rustc_span::{Symbol, sym}; use super::ITER_COUNT; -pub(crate) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, recv: &'tcx Expr<'tcx>, iter_method: &str) { +pub(crate) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, recv: &'tcx Expr<'tcx>, iter_method: Symbol) { let ty = cx.typeck_results().expr_ty(recv); let caller_type = if derefs_to_slice(cx, recv, ty).is_some() { "slice" diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_kv_map.rs b/src/tools/clippy/clippy_lints/src/methods/iter_kv_map.rs index 3ac9299ba91..c88462129af 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_kv_map.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_kv_map.rs @@ -1,12 +1,12 @@ use super::ITER_KV_MAP; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::pat_is_wild; use clippy_utils::source::snippet_with_applicability; use clippy_utils::ty::is_type_diagnostic_item; +use clippy_utils::{pat_is_wild, sym}; use rustc_hir::{Body, Expr, ExprKind, PatKind}; use rustc_lint::LateContext; -use rustc_span::sym; +use rustc_span::Symbol; /// lint use of: /// @@ -16,13 +16,13 @@ use rustc_span::sym; /// on `HashMaps` and `BTreeMaps` in std pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, - map_type: &'tcx str, // iter / into_iter + map_type: Symbol, // iter / into_iter expr: &'tcx Expr<'tcx>, // .iter().map(|(_, v_| v)) recv: &'tcx Expr<'tcx>, // hashmap m_arg: &'tcx Expr<'tcx>, // |(_, v)| v msrv: Msrv, ) { - if map_type == "into_iter" && !msrv.meets(cx, msrvs::INTO_KEYS) { + if map_type == sym::into_iter && !msrv.meets(cx, msrvs::INTO_KEYS) { return; } if !expr.span.from_expansion() @@ -42,7 +42,7 @@ pub(super) fn check<'tcx>( { let mut applicability = rustc_errors::Applicability::MachineApplicable; let recv_snippet = snippet_with_applicability(cx, recv.span, "map", &mut applicability); - let into_prefix = if map_type == "into_iter" { "into_" } else { "" }; + let into_prefix = if map_type == sym::into_iter { "into_" } else { "" }; if let ExprKind::Path(rustc_hir::QPath::Resolved(_, path)) = body_expr.kind && let [local_ident] = path.segments diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs b/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs index 82bda5d9512..1fdbd81bf24 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_nth.rs @@ -1,10 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::sym; use clippy_utils::ty::get_type_diagnostic_name; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; -use rustc_span::Span; -use rustc_span::symbol::sym; +use rustc_span::{Span, Symbol}; use super::ITER_NTH; @@ -12,7 +12,7 @@ pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, expr: &hir::Expr<'_>, iter_recv: &'tcx hir::Expr<'tcx>, - iter_method: &str, + iter_method: Symbol, iter_span: Span, nth_span: Span, ) -> bool { @@ -30,7 +30,7 @@ pub(super) fn check<'tcx>( expr.span, format!("called `.{iter_method}().nth()` on a {caller_type}"), |diag| { - let get_method = if iter_method == "iter_mut" { "get_mut" } else { "get" }; + let get_method = if iter_method == sym::iter_mut { "get_mut" } else { "get" }; diag.span_suggestion_verbose( iter_span.to(nth_span), format!("`{get_method}` is equivalent but more concise"), diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index 9d562f5e51d..c0366765234 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -2,7 +2,7 @@ use std::iter::once; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; -use clippy_utils::{get_expr_use_or_unification_node, is_res_lang_ctor, path_res, std_or_core}; +use clippy_utils::{get_expr_use_or_unification_node, is_res_lang_ctor, path_res, std_or_core, sym}; use rustc_errors::Applicability; use rustc_hir::LangItem::{OptionNone, OptionSome}; @@ -10,6 +10,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::hir_id::HirId; use rustc_hir::{Expr, ExprKind, Node}; use rustc_lint::LateContext; +use rustc_span::Symbol; use super::{ITER_ON_EMPTY_COLLECTIONS, ITER_ON_SINGLE_ITEMS}; @@ -51,7 +52,7 @@ fn is_arg_ty_unified_in_fn<'tcx>( .any(|(i, ty)| i != arg_id_in_args && ty.skip_binder().walk().any(|arg| arg.as_type() == Some(arg_ty_in_args))) } -pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method_name: &str, recv: &'tcx Expr<'tcx>) { +pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method_name: Symbol, recv: &'tcx Expr<'tcx>) { let item = match recv.kind { ExprKind::Array([]) => None, ExprKind::Array([e]) => Some(e), @@ -60,9 +61,9 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method _ => return, }; let iter_type = match method_name { - "iter" => IterType::Iter, - "iter_mut" => IterType::IterMut, - "into_iter" => IterType::IntoIter, + sym::iter => IterType::Iter, + sym::iter_mut => IterType::IterMut, + sym::into_iter => IterType::IntoIter, _ => return, }; diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_overeager_cloned.rs b/src/tools/clippy/clippy_lints/src/methods/iter_overeager_cloned.rs index 7bb625222ec..f5fe4316eb0 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_overeager_cloned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_overeager_cloned.rs @@ -8,7 +8,7 @@ use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, Pl use rustc_lint::LateContext; use rustc_middle::mir::{FakeReadCause, Mutability}; use rustc_middle::ty::{self, BorrowKind}; -use rustc_span::sym; +use rustc_span::{Symbol, sym}; use super::ITER_OVEREAGER_CLONED; use crate::redundant_clone::REDUNDANT_CLONE; @@ -26,7 +26,7 @@ pub(super) enum Op<'a> { // later `.cloned()` // and add `&` to the parameter of closure parameter // e.g. `find` `filter` - FixClosure(&'a str, &'a Expr<'a>), + FixClosure(Symbol, &'a Expr<'a>), // later `.cloned()` // e.g. `skip` `take` diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_c_str_literals.rs b/src/tools/clippy/clippy_lints/src/methods/manual_c_str_literals.rs index 3fa83cd39d1..a8445b68dd6 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_c_str_literals.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_c_str_literals.rs @@ -168,7 +168,7 @@ fn rewrite_as_cstr(cx: &LateContext<'_>, span: Span) -> Option<String> { fn get_cast_target<'tcx>(e: &'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> { match &e.kind { - ExprKind::MethodCall(method, receiver, [], _) if method.ident.as_str() == "cast" => Some(receiver), + ExprKind::MethodCall(method, receiver, [], _) if method.ident.name == sym::cast => Some(receiver), ExprKind::Cast(expr, _) => Some(expr), _ => None, } diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_inspect.rs b/src/tools/clippy/clippy_lints/src/methods/manual_inspect.rs index 173ebcb7020..21f2ce8b7c9 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_inspect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_inspect.rs @@ -3,18 +3,18 @@ use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::{IntoSpan, SpanRangeExt}; use clippy_utils::ty::get_field_by_name; use clippy_utils::visitors::{for_each_expr, for_each_expr_without_closures}; -use clippy_utils::{ExprUseNode, expr_use_ctxt, is_diag_item_method, is_diag_trait_item, path_to_local_id}; +use clippy_utils::{ExprUseNode, expr_use_ctxt, is_diag_item_method, is_diag_trait_item, path_to_local_id, sym}; use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir::{BindingMode, BorrowKind, ByRef, ClosureKind, Expr, ExprKind, Mutability, Node, PatKind}; use rustc_lint::LateContext; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability}; -use rustc_span::{DUMMY_SP, Span, Symbol, sym}; +use rustc_span::{DUMMY_SP, Span, Symbol}; use super::MANUAL_INSPECT; #[expect(clippy::too_many_lines)] -pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, name: &str, name_span: Span, msrv: Msrv) { +pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, name: Symbol, name_span: Span, msrv: Msrv) { if let ExprKind::Closure(c) = arg.kind && matches!(c.kind, ClosureKind::Closure) && let typeck = cx.typeck_results() @@ -101,7 +101,7 @@ pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, name: UseKind::Return(s) => edits.push((s.with_leading_whitespace(cx).with_ctxt(s.ctxt()), String::new())), UseKind::Borrowed(s) => { #[expect(clippy::range_plus_one)] - let range = s.map_range(cx, |src, range| { + let range = s.map_range(cx, |_, src, range| { let src = src.get(range.clone())?; let trimmed = src.trim_start_matches([' ', '\t', '\n', '\r', '(']); trimmed.starts_with('&').then(|| { @@ -168,8 +168,8 @@ pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, name: edits.extend(addr_of_edits); } let edit = match name { - "map" => "inspect", - "map_err" => "inspect_err", + sym::map => "inspect", + sym::map_err => "inspect_err", _ => return, }; edits.push((name_span, edit.to_string())); diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_is_variant_and.rs b/src/tools/clippy/clippy_lints/src/methods/manual_is_variant_and.rs index 40aad03960c..4a61c223d2c 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_is_variant_and.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_is_variant_and.rs @@ -1,18 +1,22 @@ use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::get_parent_expr; use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::source::snippet; +use clippy_utils::source::{snippet, snippet_opt}; use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; +use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; +use rustc_hir::{BinOpKind, Expr, ExprKind, QPath}; use rustc_lint::LateContext; -use rustc_span::{Span, sym}; +use rustc_middle::ty; +use rustc_span::{BytePos, Span, sym}; use super::MANUAL_IS_VARIANT_AND; -pub(super) fn check<'tcx>( +pub(super) fn check( cx: &LateContext<'_>, - expr: &'tcx rustc_hir::Expr<'_>, - map_recv: &'tcx rustc_hir::Expr<'_>, - map_arg: &'tcx rustc_hir::Expr<'_>, + expr: &Expr<'_>, + map_recv: &Expr<'_>, + map_arg: &Expr<'_>, map_span: Span, msrv: Msrv, ) { @@ -57,3 +61,57 @@ pub(super) fn check<'tcx>( Applicability::MachineApplicable, ); } + +fn emit_lint(cx: &LateContext<'_>, op: BinOpKind, parent: &Expr<'_>, method_span: Span, is_option: bool) { + if let Some(before_map_snippet) = snippet_opt(cx, parent.span.with_hi(method_span.lo())) + && let Some(after_map_snippet) = snippet_opt(cx, method_span.with_lo(method_span.lo() + BytePos(3))) + { + span_lint_and_sugg( + cx, + MANUAL_IS_VARIANT_AND, + parent.span, + format!( + "called `.map() {}= {}()`", + if op == BinOpKind::Eq { '=' } else { '!' }, + if is_option { "Some" } else { "Ok" }, + ), + "use", + if is_option && op == BinOpKind::Ne { + format!("{before_map_snippet}is_none_or{after_map_snippet}",) + } else { + format!( + "{}{before_map_snippet}{}{after_map_snippet}", + if op == BinOpKind::Eq { "" } else { "!" }, + if is_option { "is_some_and" } else { "is_ok_and" }, + ) + }, + Applicability::MachineApplicable, + ); + } +} + +pub(super) fn check_map(cx: &LateContext<'_>, expr: &Expr<'_>) { + if let Some(parent_expr) = get_parent_expr(cx, expr) + && let ExprKind::Binary(op, left, right) = parent_expr.kind + && matches!(op.node, BinOpKind::Eq | BinOpKind::Ne) + && op.span.eq_ctxt(expr.span) + { + // Check `left` and `right` expression in any order, and for `Option` and `Result` + for (expr1, expr2) in [(left, right), (right, left)] { + for item in [sym::Option, sym::Result] { + if let ExprKind::Call(call, ..) = expr1.kind + && let ExprKind::Path(QPath::Resolved(_, path)) = call.kind + && let Res::Def(DefKind::Ctor(CtorOf::Variant, CtorKind::Fn), _) = path.res + && let ty = cx.typeck_results().expr_ty(expr1) + && let ty::Adt(adt, args) = ty.kind() + && cx.tcx.is_diagnostic_item(item, adt.did()) + && args.type_at(0).is_bool() + && let ExprKind::MethodCall(_, recv, _, span) = expr2.kind + && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(recv), item) + { + return emit_lint(cx, op.node, parent_expr, span, item == sym::Option); + } + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/methods/map_identity.rs b/src/tools/clippy/clippy_lints/src/methods/map_identity.rs index 05360144657..98def66ca14 100644 --- a/src/tools/clippy/clippy_lints/src/methods/map_identity.rs +++ b/src/tools/clippy/clippy_lints/src/methods/map_identity.rs @@ -5,7 +5,7 @@ use rustc_ast::BindingMode; use rustc_errors::Applicability; use rustc_hir::{self as hir, Node, PatKind}; use rustc_lint::LateContext; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol, sym}; use super::MAP_IDENTITY; @@ -14,7 +14,7 @@ pub(super) fn check( expr: &hir::Expr<'_>, caller: &hir::Expr<'_>, map_arg: &hir::Expr<'_>, - name: &str, + name: Symbol, _map_span: Span, ) { let caller_ty = cx.typeck_results().expr_ty(caller); diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index e0e6a1a59b6..bc159206985 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -150,7 +150,7 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::macros::FormatArgsStorage; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::ty::{contains_ty_adt_constructor_opaque, implements_trait, is_copy, is_type_diagnostic_item}; -use clippy_utils::{contains_return, is_bool, is_trait_method, iter_input_pats, peel_blocks, return_ty}; +use clippy_utils::{contains_return, is_bool, is_trait_method, iter_input_pats, peel_blocks, return_ty, sym}; pub use path_ends_with_ext::DEFAULT_ALLOWED_DOTFILES; use rustc_abi::ExternAbi; use rustc_data_structures::fx::FxHashSet; @@ -159,7 +159,7 @@ use rustc_hir::{Expr, ExprKind, Node, Stmt, StmtKind, TraitItem, TraitItemKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::ty::{self, TraitRef, Ty}; use rustc_session::impl_lint_pass; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol, kw}; declare_clippy_lint! { /// ### What it does @@ -4439,7 +4439,7 @@ declare_clippy_lint! { /// Checks for usage of `iter().any()` on slices when it can be replaced with `contains()` and suggests doing so. /// /// ### Why is this bad? - /// `contains()` is more concise and idiomatic, sometimes more fast. + /// `contains()` is more concise and idiomatic, while also being faster in some cases. /// /// ### Example /// ```no_run @@ -4711,17 +4711,15 @@ impl_lint_pass!(Methods => [ /// Extracts a method call name, args, and `Span` of the method name. /// This ensures that neither the receiver nor any of the arguments /// come from expansion. -pub fn method_call<'tcx>( - recv: &'tcx Expr<'tcx>, -) -> Option<(&'tcx str, &'tcx Expr<'tcx>, &'tcx [Expr<'tcx>], Span, Span)> { +pub fn method_call<'tcx>(recv: &'tcx Expr<'tcx>) -> Option<(Symbol, &'tcx Expr<'tcx>, &'tcx [Expr<'tcx>], Span, Span)> { if let ExprKind::MethodCall(path, receiver, args, call_span) = recv.kind && !args.iter().any(|e| e.span.from_expansion()) && !receiver.span.from_expansion() { - let name = path.ident.name.as_str(); - return Some((name, receiver, args, path.ident.span, call_span)); + Some((path.ident.name, receiver, args, path.ident.span, call_span)) + } else { + None } - None } impl<'tcx> LateLintPass<'tcx> for Methods { @@ -4743,13 +4741,13 @@ impl<'tcx> LateLintPass<'tcx> for Methods { }, ExprKind::MethodCall(method_call, receiver, args, _) => { let method_span = method_call.ident.span; - or_fun_call::check(cx, expr, method_span, method_call.ident.as_str(), receiver, args); + or_fun_call::check(cx, expr, method_span, method_call.ident.name, receiver, args); expect_fun_call::check( cx, &self.format_args, expr, method_span, - method_call.ident.as_str(), + method_call.ident.name, receiver, args, ); @@ -4778,7 +4776,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods { if impl_item.span.in_external_macro(cx.sess().source_map()) { return; } - let name = impl_item.ident.name.as_str(); + let name = impl_item.ident.name; let parent = cx.tcx.hir_get_parent_item(impl_item.hir_id()).def_id; let item = cx.tcx.hir_expect_item(parent); let self_ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); @@ -4851,7 +4849,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods { return; } - if name == "new" && ret_ty != self_ty { + if name == sym::new && ret_ty != self_ty { span_lint( cx, NEW_RET_NO_SELF, @@ -4881,7 +4879,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods { let self_ty = TraitRef::identity(cx.tcx, item.owner_id.to_def_id()).self_ty(); wrong_self_convention::check( cx, - item.ident.name.as_str(), + item.ident.name, self_ty, first_arg_ty, first_arg_hir_ty.span, @@ -4912,14 +4910,17 @@ impl Methods { // Handle method calls whose receiver and arguments may not come from expansion if let Some((name, recv, args, span, call_span)) = method_call(expr) { match (name, args) { - ("add" | "offset" | "sub" | "wrapping_offset" | "wrapping_add" | "wrapping_sub", [_arg]) => { + ( + sym::add | sym::offset | sym::sub | sym::wrapping_offset | sym::wrapping_add | sym::wrapping_sub, + [_arg], + ) => { zst_offset::check(cx, expr, recv); }, - ("all", [arg]) => { + (sym::all, [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); needless_character_iteration::check(cx, expr, recv, arg, true); match method_call(recv) { - Some(("cloned", recv2, [], _, _)) => { + Some((sym::cloned, recv2, [], _, _)) => { iter_overeager_cloned::check( cx, expr, @@ -4929,13 +4930,13 @@ impl Methods { false, ); }, - Some(("map", _, [map_arg], _, map_call_span)) => { + Some((sym::map, _, [map_arg], _, map_call_span)) => { map_all_any_identity::check(cx, expr, recv, map_call_span, map_arg, call_span, arg, "all"); }, _ => {}, } }, - ("and_then", [arg]) => { + (sym::and_then, [arg]) => { let biom_option_linted = bind_instead_of_map::check_and_then_some(cx, expr, recv, arg); let biom_result_linted = bind_instead_of_map::check_and_then_ok(cx, expr, recv, arg); if !biom_option_linted && !biom_result_linted { @@ -4945,11 +4946,11 @@ impl Methods { } } }, - ("any", [arg]) => { + (sym::any, [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); needless_character_iteration::check(cx, expr, recv, arg, false); match method_call(recv) { - Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check( + Some((sym::cloned, recv2, [], _, _)) => iter_overeager_cloned::check( cx, expr, recv, @@ -4957,80 +4958,79 @@ impl Methods { iter_overeager_cloned::Op::NeedlessMove(arg), false, ), - Some(("chars", recv, _, _, _)) + Some((sym::chars, recv, _, _, _)) if let ExprKind::Closure(arg) = arg.kind && let body = cx.tcx.hir_body(arg.body) && let [param] = body.params => { string_lit_chars_any::check(cx, expr, recv, param, peel_blocks(body.value), self.msrv); }, - Some(("map", _, [map_arg], _, map_call_span)) => { + Some((sym::map, _, [map_arg], _, map_call_span)) => { map_all_any_identity::check(cx, expr, recv, map_call_span, map_arg, call_span, arg, "any"); }, - Some(("iter", iter_recv, ..)) => { + Some((sym::iter, iter_recv, ..)) => { manual_contains::check(cx, expr, iter_recv, arg); }, _ => {}, } }, - ("arg", [arg]) => { + (sym::arg, [arg]) => { suspicious_command_arg_space::check(cx, recv, arg, span); }, - ("as_deref" | "as_deref_mut", []) => { + (sym::as_deref | sym::as_deref_mut, []) => { needless_option_as_deref::check(cx, expr, recv, name); }, - ("as_bytes", []) => { - if let Some(("as_str", recv, [], as_str_span, _)) = method_call(recv) { + (sym::as_bytes, []) => { + if let Some((sym::as_str, recv, [], as_str_span, _)) = method_call(recv) { redundant_as_str::check(cx, expr, recv, as_str_span, span); } sliced_string_as_bytes::check(cx, expr, recv); }, - ("as_mut", []) => useless_asref::check(cx, expr, "as_mut", recv), - ("as_ptr", []) => manual_c_str_literals::check_as_ptr(cx, expr, recv, self.msrv), - ("as_ref", []) => useless_asref::check(cx, expr, "as_ref", recv), - ("assume_init", []) => uninit_assumed_init::check(cx, expr, recv), - ("bytes", []) => unbuffered_bytes::check(cx, expr, recv), - ("cloned", []) => { + (sym::as_mut | sym::as_ref, []) => useless_asref::check(cx, expr, name, recv), + (sym::as_ptr, []) => manual_c_str_literals::check_as_ptr(cx, expr, recv, self.msrv), + (sym::assume_init, []) => uninit_assumed_init::check(cx, expr, recv), + (sym::bytes, []) => unbuffered_bytes::check(cx, expr, recv), + (sym::cloned, []) => { cloned_instead_of_copied::check(cx, expr, recv, span, self.msrv); option_as_ref_cloned::check(cx, recv, span); }, - ("collect", []) if is_trait_method(cx, expr, sym::Iterator) => { + (sym::collect, []) if is_trait_method(cx, expr, sym::Iterator) => { needless_collect::check(cx, span, expr, recv, call_span); match method_call(recv) { - Some((name @ ("cloned" | "copied"), recv2, [], _, _)) => { + Some((name @ (sym::cloned | sym::copied), recv2, [], _, _)) => { iter_cloned_collect::check(cx, name, expr, recv2); }, - Some(("map", m_recv, [m_arg], m_ident_span, _)) => { + Some((sym::map, m_recv, [m_arg], m_ident_span, _)) => { map_collect_result_unit::check(cx, expr, m_recv, m_arg); format_collect::check(cx, expr, m_arg, m_ident_span); }, - Some(("take", take_self_arg, [take_arg], _, _)) => { + Some((sym::take, take_self_arg, [take_arg], _, _)) => { if self.msrv.meets(cx, msrvs::STR_REPEAT) { manual_str_repeat::check(cx, expr, recv, take_self_arg, take_arg); } }, - Some(("drain", recv, args, ..)) => { + Some((sym::drain, recv, args, ..)) => { drain_collect::check(cx, args, expr, recv); }, _ => {}, } }, - ("count", []) if is_trait_method(cx, expr, sym::Iterator) => match method_call(recv) { - Some(("cloned", recv2, [], _, _)) => { + (sym::count, []) if is_trait_method(cx, expr, sym::Iterator) => match method_call(recv) { + Some((sym::cloned, recv2, [], _, _)) => { iter_overeager_cloned::check(cx, expr, recv, recv2, iter_overeager_cloned::Op::RmCloned, false); }, - Some((name2 @ ("into_iter" | "iter" | "iter_mut"), recv2, [], _, _)) => { + Some((name2 @ (sym::into_iter | sym::iter | sym::iter_mut), recv2, [], _, _)) => { iter_count::check(cx, expr, recv2, name2); }, - Some(("map", _, [arg], _, _)) => suspicious_map::check(cx, expr, recv, arg), - Some(("filter", recv2, [arg], _, _)) => bytecount::check(cx, expr, recv2, arg), - Some(("bytes", recv2, [], _, _)) => bytes_count_to_len::check(cx, expr, recv, recv2), + Some((sym::map, _, [arg], _, _)) => suspicious_map::check(cx, expr, recv, arg), + Some((sym::filter, recv2, [arg], _, _)) => bytecount::check(cx, expr, recv2, arg), + Some((sym::bytes, recv2, [], _, _)) => bytes_count_to_len::check(cx, expr, recv, recv2), _ => {}, }, - ("min" | "max", [arg]) => { + (sym::min | sym::max, [arg]) => { unnecessary_min_or_max::check(cx, expr, name, recv, arg); }, - ("drain", ..) => { + (sym::drain, ..) => { if let Node::Stmt(Stmt { hir_id: _, kind, .. }) = cx.tcx.parent_hir_node(expr.hir_id) && matches!(kind, StmtKind::Semi(_)) && args.len() <= 1 @@ -5040,31 +5040,31 @@ impl Methods { iter_with_drain::check(cx, expr, recv, span, arg); } }, - ("ends_with", [arg]) => { + (sym::ends_with, [arg]) => { if let ExprKind::MethodCall(.., span) = expr.kind { case_sensitive_file_extension_comparisons::check(cx, expr, span, recv, arg, self.msrv); } path_ends_with_ext::check(cx, recv, arg, expr, self.msrv, &self.allowed_dotfiles); }, - ("expect", [_]) => { + (sym::expect, [_]) => { match method_call(recv) { - Some(("ok", recv, [], _, _)) => ok_expect::check(cx, expr, recv), - Some(("err", recv, [], err_span, _)) => { + Some((sym::ok, recv, [], _, _)) => ok_expect::check(cx, expr, recv), + Some((sym::err, recv, [], err_span, _)) => { err_expect::check(cx, expr, recv, span, err_span, self.msrv); }, _ => {}, } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("expect_err", [_]) | ("unwrap_err" | "unwrap_unchecked" | "unwrap_err_unchecked", []) => { + (sym::expect_err, [_]) | (sym::unwrap_err | sym::unwrap_unchecked | sym::unwrap_err_unchecked, []) => { unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("extend", [arg]) => { + (sym::extend, [arg]) => { string_extend_chars::check(cx, expr, recv, arg); extend_with_drain::check(cx, expr, recv, arg); }, - ("filter", [arg]) => { - if let Some(("cloned", recv2, [], _span2, _)) = method_call(recv) { + (sym::filter, [arg]) => { + if let Some((sym::cloned, recv2, [], _span2, _)) = method_call(recv) { // if `arg` has side-effect, the semantic will change iter_overeager_cloned::check( cx, @@ -5080,8 +5080,8 @@ impl Methods { iter_filter::check(cx, expr, arg, span); } }, - ("find", [arg]) => { - if let Some(("cloned", recv2, [], _span2, _)) = method_call(recv) { + (sym::find, [arg]) => { + if let Some((sym::cloned, recv2, [], _span2, _)) = method_call(recv) { // if `arg` has side-effect, the semantic will change iter_overeager_cloned::check( cx, @@ -5093,26 +5093,26 @@ impl Methods { ); } }, - ("filter_map", [arg]) => { + (sym::filter_map, [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); unnecessary_filter_map::check(cx, expr, arg, name); filter_map_bool_then::check(cx, expr, arg, call_span); filter_map_identity::check(cx, expr, arg, span); }, - ("find_map", [arg]) => { + (sym::find_map, [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); unnecessary_filter_map::check(cx, expr, arg, name); }, - ("flat_map", [arg]) => { + (sym::flat_map, [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); flat_map_identity::check(cx, expr, arg, span); flat_map_option::check(cx, expr, arg, span); }, - ("flatten", []) => match method_call(recv) { - Some(("map", recv, [map_arg], map_span, _)) => { + (sym::flatten, []) => match method_call(recv) { + Some((sym::map, recv, [map_arg], map_span, _)) => { map_flatten::check(cx, expr, recv, map_arg, map_span); }, - Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check( + Some((sym::cloned, recv2, [], _, _)) => iter_overeager_cloned::check( cx, expr, recv, @@ -5122,15 +5122,15 @@ impl Methods { ), _ => {}, }, - ("fold", [init, acc]) => { + (sym::fold, [init, acc]) => { manual_try_fold::check(cx, expr, init, acc, call_span, self.msrv); unnecessary_fold::check(cx, expr, init, acc, span); }, - ("for_each", [arg]) => { + (sym::for_each, [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); match method_call(recv) { - Some(("inspect", _, [_], span2, _)) => inspect_for_each::check(cx, expr, span2), - Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check( + Some((sym::inspect, _, [_], span2, _)) => inspect_for_each::check(cx, expr, span2), + Some((sym::cloned, recv2, [], _, _)) => iter_overeager_cloned::check( cx, expr, recv, @@ -5141,44 +5141,44 @@ impl Methods { _ => {}, } }, - ("get", [arg]) => { + (sym::get, [arg]) => { get_first::check(cx, expr, recv, arg); get_last_with_len::check(cx, expr, recv, arg); }, - ("get_or_insert_with", [arg]) => { + (sym::get_or_insert_with, [arg]) => { unnecessary_lazy_eval::check(cx, expr, recv, arg, "get_or_insert"); }, - ("hash", [arg]) => { + (sym::hash, [arg]) => { unit_hash::check(cx, expr, recv, arg); }, - ("is_empty", []) => { + (sym::is_empty, []) => { match method_call(recv) { - Some((prev_method @ ("as_bytes" | "bytes"), prev_recv, [], _, _)) => { - needless_as_bytes::check(cx, prev_method, "is_empty", prev_recv, expr.span); + Some((prev_method @ (sym::as_bytes | sym::bytes), prev_recv, [], _, _)) => { + needless_as_bytes::check(cx, prev_method, name, prev_recv, expr.span); }, - Some(("as_str", recv, [], as_str_span, _)) => { + Some((sym::as_str, recv, [], as_str_span, _)) => { redundant_as_str::check(cx, expr, recv, as_str_span, span); }, _ => {}, } is_empty::check(cx, expr, recv); }, - ("is_file", []) => filetype_is_file::check(cx, expr, recv), - ("is_digit", [radix]) => is_digit_ascii_radix::check(cx, expr, recv, radix, self.msrv), - ("is_none", []) => check_is_some_is_none(cx, expr, recv, call_span, false), - ("is_some", []) => check_is_some_is_none(cx, expr, recv, call_span, true), - ("iter" | "iter_mut" | "into_iter", []) => { + (sym::is_file, []) => filetype_is_file::check(cx, expr, recv), + (sym::is_digit, [radix]) => is_digit_ascii_radix::check(cx, expr, recv, radix, self.msrv), + (sym::is_none, []) => check_is_some_is_none(cx, expr, recv, call_span, false), + (sym::is_some, []) => check_is_some_is_none(cx, expr, recv, call_span, true), + (sym::iter | sym::iter_mut | sym::into_iter, []) => { iter_on_single_or_empty_collections::check(cx, expr, name, recv); }, - ("join", [join_arg]) => { - if let Some(("collect", _, _, span, _)) = method_call(recv) { + (sym::join, [join_arg]) => { + if let Some((sym::collect, _, _, span, _)) = method_call(recv) { unnecessary_join::check(cx, expr, recv, join_arg, span); } else { join_absolute_paths::check(cx, recv, join_arg, expr.span); } }, - ("last", []) => { - if let Some(("cloned", recv2, [], _span2, _)) = method_call(recv) { + (sym::last, []) => { + if let Some((sym::cloned, recv2, [], _span2, _)) = method_call(recv) { iter_overeager_cloned::check( cx, expr, @@ -5190,24 +5190,25 @@ impl Methods { } double_ended_iterator_last::check(cx, expr, recv, call_span); }, - ("len", []) => { - if let Some((prev_method @ ("as_bytes" | "bytes"), prev_recv, [], _, _)) = method_call(recv) { - needless_as_bytes::check(cx, prev_method, "len", prev_recv, expr.span); + (sym::len, []) => { + if let Some((prev_method @ (sym::as_bytes | sym::bytes), prev_recv, [], _, _)) = method_call(recv) { + needless_as_bytes::check(cx, prev_method, sym::len, prev_recv, expr.span); } }, - ("lock", []) => { + (sym::lock, []) => { mut_mutex_lock::check(cx, expr, recv, span); }, - (name @ ("map" | "map_err"), [m_arg]) => { - if name == "map" { + (name @ (sym::map | sym::map_err), [m_arg]) => { + if name == sym::map { unused_enumerate_index::check(cx, expr, recv, m_arg); map_clone::check(cx, expr, recv, m_arg, self.msrv); map_with_unused_argument_over_ranges::check(cx, expr, recv, m_arg, self.msrv, span); + manual_is_variant_and::check_map(cx, expr); match method_call(recv) { - Some((map_name @ ("iter" | "into_iter"), recv2, _, _, _)) => { + Some((map_name @ (sym::iter | sym::into_iter), recv2, _, _, _)) => { iter_kv_map::check(cx, map_name, expr, recv2, m_arg, self.msrv); }, - Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check( + Some((sym::cloned, recv2, [], _, _)) => iter_overeager_cloned::check( cx, expr, recv, @@ -5222,12 +5223,12 @@ impl Methods { } if let Some((name, recv2, args, span2, _)) = method_call(recv) { match (name, args) { - ("as_mut", []) => option_as_ref_deref::check(cx, expr, recv2, m_arg, true, self.msrv), - ("as_ref", []) => option_as_ref_deref::check(cx, expr, recv2, m_arg, false, self.msrv), - ("filter", [f_arg]) => { + (sym::as_mut, []) => option_as_ref_deref::check(cx, expr, recv2, m_arg, true, self.msrv), + (sym::as_ref, []) => option_as_ref_deref::check(cx, expr, recv2, m_arg, false, self.msrv), + (sym::filter, [f_arg]) => { filter_map::check(cx, expr, recv2, f_arg, span2, recv, m_arg, span, false); }, - ("find", [f_arg]) => { + (sym::find, [f_arg]) => { filter_map::check(cx, expr, recv2, f_arg, span2, recv, m_arg, span, true); }, _ => {}, @@ -5237,22 +5238,22 @@ impl Methods { manual_inspect::check(cx, expr, m_arg, name, span, self.msrv); crate::useless_conversion::check_function_application(cx, expr, recv, m_arg); }, - ("map_break" | "map_continue", [m_arg]) => { + (sym::map_break | sym::map_continue, [m_arg]) => { crate::useless_conversion::check_function_application(cx, expr, recv, m_arg); }, - ("map_or", [def, map]) => { + (sym::map_or, [def, map]) => { option_map_or_none::check(cx, expr, recv, def, map); manual_ok_or::check(cx, expr, recv, def, map); unnecessary_map_or::check(cx, expr, recv, def, map, span, self.msrv); }, - ("map_or_else", [def, map]) => { + (sym::map_or_else, [def, map]) => { result_map_or_else_none::check(cx, expr, recv, def, map); unnecessary_result_map_or_else::check(cx, expr, recv, def, map); }, - ("next", []) => { + (sym::next, []) => { if let Some((name2, recv2, args2, _, _)) = method_call(recv) { match (name2, args2) { - ("cloned", []) => iter_overeager_cloned::check( + (sym::cloned, []) => iter_overeager_cloned::check( cx, expr, recv, @@ -5260,19 +5261,19 @@ impl Methods { iter_overeager_cloned::Op::LaterCloned, false, ), - ("filter", [arg]) => filter_next::check(cx, expr, recv2, arg), - ("filter_map", [arg]) => filter_map_next::check(cx, expr, recv2, arg, self.msrv), - ("iter", []) => iter_next_slice::check(cx, expr, recv2), - ("skip", [arg]) => iter_skip_next::check(cx, expr, recv2, arg), - ("skip_while", [_]) => skip_while_next::check(cx, expr), - ("rev", []) => manual_next_back::check(cx, expr, recv, recv2), + (sym::filter, [arg]) => filter_next::check(cx, expr, recv2, arg), + (sym::filter_map, [arg]) => filter_map_next::check(cx, expr, recv2, arg, self.msrv), + (sym::iter, []) => iter_next_slice::check(cx, expr, recv2), + (sym::skip, [arg]) => iter_skip_next::check(cx, expr, recv2, arg), + (sym::skip_while, [_]) => skip_while_next::check(cx, expr), + (sym::rev, []) => manual_next_back::check(cx, expr, recv, recv2), _ => {}, } } }, - ("nth", [n_arg]) => match method_call(recv) { - Some(("bytes", recv2, [], _, _)) => bytes_nth::check(cx, expr, recv2, n_arg), - Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check( + (sym::nth, [n_arg]) => match method_call(recv) { + Some((sym::bytes, recv2, [], _, _)) => bytes_nth::check(cx, expr, recv2, n_arg), + Some((sym::cloned, recv2, [], _, _)) => iter_overeager_cloned::check( cx, expr, recv, @@ -5280,54 +5281,54 @@ impl Methods { iter_overeager_cloned::Op::LaterCloned, false, ), - Some((iter_method @ ("iter" | "iter_mut"), iter_recv, [], iter_span, _)) => { + Some((iter_method @ (sym::iter | sym::iter_mut), iter_recv, [], iter_span, _)) => { if !iter_nth::check(cx, expr, iter_recv, iter_method, iter_span, span) { iter_nth_zero::check(cx, expr, recv, n_arg); } }, _ => iter_nth_zero::check(cx, expr, recv, n_arg), }, - ("ok_or_else", [arg]) => { + (sym::ok_or_else, [arg]) => { unnecessary_lazy_eval::check(cx, expr, recv, arg, "ok_or"); }, - ("open", [_]) => { + (sym::open, [_]) => { open_options::check(cx, expr, recv); }, - ("or_else", [arg]) => { + (sym::or_else, [arg]) => { if !bind_instead_of_map::check_or_else_err(cx, expr, recv, arg) { unnecessary_lazy_eval::check(cx, expr, recv, arg, "or"); } }, - ("push", [arg]) => { + (sym::push, [arg]) => { path_buf_push_overwrite::check(cx, expr, arg); }, - ("read_to_end", [_]) => { + (sym::read_to_end, [_]) => { verbose_file_reads::check(cx, expr, recv, verbose_file_reads::READ_TO_END_MSG); }, - ("read_to_string", [_]) => { + (sym::read_to_string, [_]) => { verbose_file_reads::check(cx, expr, recv, verbose_file_reads::READ_TO_STRING_MSG); }, - ("read_line", [arg]) => { + (sym::read_line, [arg]) => { read_line_without_trim::check(cx, expr, recv, arg); }, - ("repeat", [arg]) => { + (sym::repeat, [arg]) => { repeat_once::check(cx, expr, recv, arg); }, - (name @ ("replace" | "replacen"), [arg1, arg2] | [arg1, arg2, _]) => { + (name @ (sym::replace | sym::replacen), [arg1, arg2] | [arg1, arg2, _]) => { no_effect_replace::check(cx, expr, arg1, arg2); // Check for repeated `str::replace` calls to perform `collapsible_str_replace` lint if self.msrv.meets(cx, msrvs::PATTERN_TRAIT_CHAR_ARRAY) - && name == "replace" - && let Some(("replace", ..)) = method_call(recv) + && name == sym::replace + && let Some((sym::replace, ..)) = method_call(recv) { collapsible_str_replace::check(cx, expr, arg1, arg2); } }, - ("resize", [count_arg, default_arg]) => { + (sym::resize, [count_arg, default_arg]) => { vec_resize_to_zero::check(cx, expr, count_arg, default_arg, span); }, - ("seek", [arg]) => { + (sym::seek, [arg]) => { if self.msrv.meets(cx, msrvs::SEEK_FROM_CURRENT) { seek_from_current::check(cx, expr, recv, arg); } @@ -5335,11 +5336,11 @@ impl Methods { seek_to_start_instead_of_rewind::check(cx, expr, recv, arg, span); } }, - ("skip", [arg]) => { + (sym::skip, [arg]) => { iter_skip_zero::check(cx, expr, arg); iter_out_of_bounds::check_skip(cx, expr, recv, arg); - if let Some(("cloned", recv2, [], _span2, _)) = method_call(recv) { + if let Some((sym::cloned, recv2, [], _span2, _)) = method_call(recv) { iter_overeager_cloned::check( cx, expr, @@ -5350,34 +5351,34 @@ impl Methods { ); } }, - ("sort", []) => { + (sym::sort, []) => { stable_sort_primitive::check(cx, expr, recv); }, - ("sort_by", [arg]) => { + (sym::sort_by, [arg]) => { unnecessary_sort_by::check(cx, expr, recv, arg, false); }, - ("sort_unstable_by", [arg]) => { + (sym::sort_unstable_by, [arg]) => { unnecessary_sort_by::check(cx, expr, recv, arg, true); }, - ("split", [arg]) => { + (sym::split, [arg]) => { str_split::check(cx, expr, recv, arg); }, - ("splitn" | "rsplitn", [count_arg, pat_arg]) => { + (sym::splitn | sym::rsplitn, [count_arg, pat_arg]) => { if let Some(Constant::Int(count)) = ConstEvalCtxt::new(cx).eval(count_arg) { suspicious_splitn::check(cx, name, expr, recv, count); str_splitn::check(cx, name, expr, recv, pat_arg, count, self.msrv); } }, - ("splitn_mut" | "rsplitn_mut", [count_arg, _]) => { + (sym::splitn_mut | sym::rsplitn_mut, [count_arg, _]) => { if let Some(Constant::Int(count)) = ConstEvalCtxt::new(cx).eval(count_arg) { suspicious_splitn::check(cx, name, expr, recv, count); } }, - ("step_by", [arg]) => iterator_step_by_zero::check(cx, expr, arg), - ("take", [arg]) => { + (sym::step_by, [arg]) => iterator_step_by_zero::check(cx, expr, arg), + (sym::take, [arg]) => { iter_out_of_bounds::check_take(cx, expr, recv, arg); manual_repeat_n::check(cx, expr, recv, arg, self.msrv); - if let Some(("cloned", recv2, [], _span2, _)) = method_call(recv) { + if let Some((sym::cloned, recv2, [], _span2, _)) = method_call(recv) { iter_overeager_cloned::check( cx, expr, @@ -5388,74 +5389,89 @@ impl Methods { ); } }, - ("take", []) => needless_option_take::check(cx, expr, recv), - ("then", [arg]) => { + (sym::take, []) => needless_option_take::check(cx, expr, recv), + (sym::then, [arg]) => { if !self.msrv.meets(cx, msrvs::BOOL_THEN_SOME) { return; } unnecessary_lazy_eval::check(cx, expr, recv, arg, "then_some"); }, - ("try_into", []) if is_trait_method(cx, expr, sym::TryInto) => { + (sym::try_into, []) if is_trait_method(cx, expr, sym::TryInto) => { unnecessary_fallible_conversions::check_method(cx, expr); }, - ("to_owned", []) => { + (sym::to_owned, []) => { if !suspicious_to_owned::check(cx, expr, recv) { implicit_clone::check(cx, name, expr, recv); } }, - ("to_os_string" | "to_path_buf" | "to_vec", []) => { + (sym::to_os_string | sym::to_path_buf | sym::to_vec, []) => { implicit_clone::check(cx, name, expr, recv); }, - ("type_id", []) => { + (sym::type_id, []) => { type_id_on_box::check(cx, recv, expr.span); }, - ("unwrap", []) => { + (sym::unwrap, []) => { match method_call(recv) { - Some(("get", recv, [get_arg], _, _)) => { + Some((sym::get, recv, [get_arg], _, _)) => { get_unwrap::check(cx, expr, recv, get_arg, false); }, - Some(("get_mut", recv, [get_arg], _, _)) => { + Some((sym::get_mut, recv, [get_arg], _, _)) => { get_unwrap::check(cx, expr, recv, get_arg, true); }, - Some(("or", recv, [or_arg], or_span, _)) => { + Some((sym::or, recv, [or_arg], or_span, _)) => { or_then_unwrap::check(cx, expr, recv, or_arg, or_span); }, _ => {}, } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("unwrap_or", [u_arg]) => { + (sym::unwrap_or, [u_arg]) => { match method_call(recv) { - Some((arith @ ("checked_add" | "checked_sub" | "checked_mul"), lhs, [rhs], _, _)) => { - manual_saturating_arithmetic::check(cx, expr, lhs, rhs, u_arg, &arith["checked_".len()..]); + Some((arith @ (sym::checked_add | sym::checked_sub | sym::checked_mul), lhs, [rhs], _, _)) => { + manual_saturating_arithmetic::check( + cx, + expr, + lhs, + rhs, + u_arg, + &arith.as_str()[const { "checked_".len() }..], + ); }, - Some(("map", m_recv, [m_arg], span, _)) => { + Some((sym::map, m_recv, [m_arg], span, _)) => { option_map_unwrap_or::check(cx, expr, m_recv, m_arg, recv, u_arg, span, self.msrv); }, - Some((then_method @ ("then" | "then_some"), t_recv, [t_arg], _, _)) => { - obfuscated_if_else::check(cx, expr, t_recv, t_arg, Some(u_arg), then_method, "unwrap_or"); + Some((then_method @ (sym::then | sym::then_some), t_recv, [t_arg], _, _)) => { + obfuscated_if_else::check(cx, expr, t_recv, t_arg, Some(u_arg), then_method, name); }, _ => {}, } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("unwrap_or_default", []) => { + (sym::unwrap_or_default, []) => { match method_call(recv) { - Some(("map", m_recv, [arg], span, _)) => { + Some((sym::map, m_recv, [arg], span, _)) => { manual_is_variant_and::check(cx, expr, m_recv, arg, span, self.msrv); }, - Some((then_method @ ("then" | "then_some"), t_recv, [t_arg], _, _)) => { - obfuscated_if_else::check(cx, expr, t_recv, t_arg, None, then_method, "unwrap_or_default"); + Some((then_method @ (sym::then | sym::then_some), t_recv, [t_arg], _, _)) => { + obfuscated_if_else::check( + cx, + expr, + t_recv, + t_arg, + None, + then_method, + sym::unwrap_or_default, + ); }, _ => {}, } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("unwrap_or_else", [u_arg]) => { + (sym::unwrap_or_else, [u_arg]) => { match method_call(recv) { - Some(("map", recv, [map_arg], _, _)) + Some((sym::map, recv, [map_arg], _, _)) if map_unwrap_or::check(cx, expr, recv, map_arg, u_arg, self.msrv) => {}, - Some((then_method @ ("then" | "then_some"), t_recv, [t_arg], _, _)) => { + Some((then_method @ (sym::then | sym::then_some), t_recv, [t_arg], _, _)) => { obfuscated_if_else::check( cx, expr, @@ -5463,7 +5479,7 @@ impl Methods { t_arg, Some(u_arg), then_method, - "unwrap_or_else", + sym::unwrap_or_else, ); }, _ => { @@ -5472,13 +5488,13 @@ impl Methods { } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("wake", []) => { + (sym::wake, []) => { waker_clone_wake::check(cx, expr, recv); }, - ("write", []) => { + (sym::write, []) => { readonly_write_lock::check(cx, expr, recv); }, - ("zip", [arg]) => { + (sym::zip, [arg]) => { if let ExprKind::MethodCall(name, iter_recv, [], _) = recv.kind && name.ident.name == sym::iter { @@ -5490,8 +5506,8 @@ impl Methods { } // Handle method calls whose receiver and arguments may come from expansion if let ExprKind::MethodCall(path, recv, args, _call_span) = expr.kind { - match (path.ident.name.as_str(), args) { - ("expect", [_]) if !matches!(method_call(recv), Some(("ok" | "err", _, [], _, _))) => { + match (path.ident.name, args) { + (sym::expect, [_]) if !matches!(method_call(recv), Some((sym::ok | sym::err, _, [], _, _))) => { unwrap_expect_used::check( cx, expr, @@ -5502,7 +5518,7 @@ impl Methods { unwrap_expect_used::Variant::Expect, ); }, - ("expect_err", [_]) => { + (sym::expect_err, [_]) => { unwrap_expect_used::check( cx, expr, @@ -5513,7 +5529,7 @@ impl Methods { unwrap_expect_used::Variant::Expect, ); }, - ("unwrap", []) => { + (sym::unwrap, []) => { unwrap_expect_used::check( cx, expr, @@ -5524,7 +5540,7 @@ impl Methods { unwrap_expect_used::Variant::Unwrap, ); }, - ("unwrap_err", []) => { + (sym::unwrap_err, []) => { unwrap_expect_used::check( cx, expr, @@ -5543,13 +5559,13 @@ impl Methods { fn check_is_some_is_none(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, call_span: Span, is_some: bool) { match method_call(recv) { - Some((name @ ("find" | "position" | "rposition"), f_recv, [arg], span, _)) => { + Some((name @ (sym::find | sym::position | sym::rposition), f_recv, [arg], span, _)) => { search_is_some::check(cx, expr, name, is_some, f_recv, arg, recv, span); }, - Some(("get", f_recv, [arg], _, _)) => { + Some((sym::get, f_recv, [arg], _, _)) => { unnecessary_get_then_check::check(cx, call_span, recv, f_recv, arg, is_some); }, - Some(("first", f_recv, [], _, _)) => { + Some((sym::first, f_recv, [], _, _)) => { unnecessary_first_then_check::check(cx, call_span, recv, f_recv, is_some); }, _ => {}, @@ -5593,7 +5609,7 @@ const FN_HEADER: hir::FnHeader = hir::FnHeader { struct ShouldImplTraitCase { trait_name: &'static str, - method_name: &'static str, + method_name: Symbol, param_count: usize, fn_header: hir::FnHeader, // implicit self kind expected (none, self, &self, ...) @@ -5606,7 +5622,7 @@ struct ShouldImplTraitCase { impl ShouldImplTraitCase { const fn new( trait_name: &'static str, - method_name: &'static str, + method_name: Symbol, param_count: usize, fn_header: hir::FnHeader, self_kind: SelfKind, @@ -5639,36 +5655,36 @@ impl ShouldImplTraitCase { #[rustfmt::skip] const TRAIT_METHODS: [ShouldImplTraitCase; 30] = [ - ShouldImplTraitCase::new("std::ops::Add", "add", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::convert::AsMut", "as_mut", 1, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), - ShouldImplTraitCase::new("std::convert::AsRef", "as_ref", 1, FN_HEADER, SelfKind::Ref, OutType::Ref, true), - ShouldImplTraitCase::new("std::ops::BitAnd", "bitand", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::BitOr", "bitor", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::BitXor", "bitxor", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::borrow::Borrow", "borrow", 1, FN_HEADER, SelfKind::Ref, OutType::Ref, true), - ShouldImplTraitCase::new("std::borrow::BorrowMut", "borrow_mut", 1, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), - ShouldImplTraitCase::new("std::clone::Clone", "clone", 1, FN_HEADER, SelfKind::Ref, OutType::Any, true), - ShouldImplTraitCase::new("std::cmp::Ord", "cmp", 2, FN_HEADER, SelfKind::Ref, OutType::Any, true), - ShouldImplTraitCase::new("std::default::Default", "default", 0, FN_HEADER, SelfKind::No, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Deref", "deref", 1, FN_HEADER, SelfKind::Ref, OutType::Ref, true), - ShouldImplTraitCase::new("std::ops::DerefMut", "deref_mut", 1, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), - ShouldImplTraitCase::new("std::ops::Div", "div", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Drop", "drop", 1, FN_HEADER, SelfKind::RefMut, OutType::Unit, true), - ShouldImplTraitCase::new("std::cmp::PartialEq", "eq", 2, FN_HEADER, SelfKind::Ref, OutType::Bool, true), - ShouldImplTraitCase::new("std::iter::FromIterator", "from_iter", 1, FN_HEADER, SelfKind::No, OutType::Any, true), - ShouldImplTraitCase::new("std::str::FromStr", "from_str", 1, FN_HEADER, SelfKind::No, OutType::Any, true), - ShouldImplTraitCase::new("std::hash::Hash", "hash", 2, FN_HEADER, SelfKind::Ref, OutType::Unit, true), - ShouldImplTraitCase::new("std::ops::Index", "index", 2, FN_HEADER, SelfKind::Ref, OutType::Ref, true), - ShouldImplTraitCase::new("std::ops::IndexMut", "index_mut", 2, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), - ShouldImplTraitCase::new("std::iter::IntoIterator", "into_iter", 1, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Mul", "mul", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Neg", "neg", 1, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::iter::Iterator", "next", 1, FN_HEADER, SelfKind::RefMut, OutType::Any, false), - ShouldImplTraitCase::new("std::ops::Not", "not", 1, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Rem", "rem", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Shl", "shl", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Shr", "shr", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), - ShouldImplTraitCase::new("std::ops::Sub", "sub", 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Add", sym::add, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::convert::AsMut", sym::as_mut, 1, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), + ShouldImplTraitCase::new("std::convert::AsRef", sym::as_ref, 1, FN_HEADER, SelfKind::Ref, OutType::Ref, true), + ShouldImplTraitCase::new("std::ops::BitAnd", sym::bitand, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::BitOr", sym::bitor, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::BitXor", sym::bitxor, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::borrow::Borrow", sym::borrow, 1, FN_HEADER, SelfKind::Ref, OutType::Ref, true), + ShouldImplTraitCase::new("std::borrow::BorrowMut", sym::borrow_mut, 1, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), + ShouldImplTraitCase::new("std::clone::Clone", sym::clone, 1, FN_HEADER, SelfKind::Ref, OutType::Any, true), + ShouldImplTraitCase::new("std::cmp::Ord", sym::cmp, 2, FN_HEADER, SelfKind::Ref, OutType::Any, true), + ShouldImplTraitCase::new("std::default::Default", kw::Default, 0, FN_HEADER, SelfKind::No, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Deref", sym::deref, 1, FN_HEADER, SelfKind::Ref, OutType::Ref, true), + ShouldImplTraitCase::new("std::ops::DerefMut", sym::deref_mut, 1, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), + ShouldImplTraitCase::new("std::ops::Div", sym::div, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Drop", sym::drop, 1, FN_HEADER, SelfKind::RefMut, OutType::Unit, true), + ShouldImplTraitCase::new("std::cmp::PartialEq", sym::eq, 2, FN_HEADER, SelfKind::Ref, OutType::Bool, true), + ShouldImplTraitCase::new("std::iter::FromIterator", sym::from_iter, 1, FN_HEADER, SelfKind::No, OutType::Any, true), + ShouldImplTraitCase::new("std::str::FromStr", sym::from_str, 1, FN_HEADER, SelfKind::No, OutType::Any, true), + ShouldImplTraitCase::new("std::hash::Hash", sym::hash, 2, FN_HEADER, SelfKind::Ref, OutType::Unit, true), + ShouldImplTraitCase::new("std::ops::Index", sym::index, 2, FN_HEADER, SelfKind::Ref, OutType::Ref, true), + ShouldImplTraitCase::new("std::ops::IndexMut", sym::index_mut, 2, FN_HEADER, SelfKind::RefMut, OutType::Ref, true), + ShouldImplTraitCase::new("std::iter::IntoIterator", sym::into_iter, 1, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Mul", sym::mul, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Neg", sym::neg, 1, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::iter::Iterator", sym::next, 1, FN_HEADER, SelfKind::RefMut, OutType::Any, false), + ShouldImplTraitCase::new("std::ops::Not", sym::not, 1, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Rem", sym::rem, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Shl", sym::shl, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Shr", sym::shr, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), + ShouldImplTraitCase::new("std::ops::Sub", sym::sub, 2, FN_HEADER, SelfKind::Value, OutType::Any, true), ]; #[derive(Clone, Copy, PartialEq, Eq, Debug)] diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_as_bytes.rs b/src/tools/clippy/clippy_lints/src/methods/needless_as_bytes.rs index 7c9f7bae990..635d06330e0 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_as_bytes.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_as_bytes.rs @@ -4,11 +4,11 @@ use clippy_utils::ty::is_type_lang_item; use rustc_errors::Applicability; use rustc_hir::{Expr, LangItem}; use rustc_lint::LateContext; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use super::NEEDLESS_AS_BYTES; -pub fn check(cx: &LateContext<'_>, prev_method: &str, method: &str, prev_recv: &Expr<'_>, span: Span) { +pub fn check(cx: &LateContext<'_>, prev_method: Symbol, method: Symbol, prev_recv: &Expr<'_>, span: Span) { let ty1 = cx.typeck_results().expr_ty_adjusted(prev_recv).peel_refs(); if is_type_lang_item(cx, ty1, LangItem::String) || ty1.is_str() { let mut app = Applicability::MachineApplicable; diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs index 4c1ed6a1d83..2b75d6a8248 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs @@ -508,7 +508,7 @@ fn get_captured_ids(cx: &LateContext<'_>, ty: Ty<'_>) -> HirIdSet { match ty.kind() { ty::Adt(_, generics) => { for generic in *generics { - if let GenericArgKind::Type(ty) = generic.unpack() { + if let GenericArgKind::Type(ty) = generic.kind() { get_captured_ids_recursive(cx, ty, set); } } diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_option_as_deref.rs b/src/tools/clippy/clippy_lints/src/methods/needless_option_as_deref.rs index 538aa9097a4..d77d044340d 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_option_as_deref.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_option_as_deref.rs @@ -1,22 +1,22 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::path_res; use clippy_utils::source::SpanRangeExt; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::usage::local_used_after_expr; +use clippy_utils::{path_res, sym}; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_hir::def::Res; use rustc_lint::LateContext; -use rustc_span::sym; +use rustc_span::Symbol; use super::NEEDLESS_OPTION_AS_DEREF; -pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, name: &str) { +pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, name: Symbol) { let typeck = cx.typeck_results(); let outer_ty = typeck.expr_ty(expr); if is_type_diagnostic_item(cx, outer_ty, sym::Option) && outer_ty == typeck.expr_ty(recv) { - if name == "as_deref_mut" && recv.is_syntactic_place_expr() { + if name == sym::as_deref_mut && recv.is_syntactic_place_expr() { let Res::Local(binding_id) = path_res(cx, recv) else { return; }; diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_option_take.rs b/src/tools/clippy/clippy_lints/src/methods/needless_option_take.rs index cd1b97f3c51..1544a12e6ba 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_option_take.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_option_take.rs @@ -3,7 +3,7 @@ use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, QPath}; use rustc_lint::LateContext; -use rustc_span::sym; +use rustc_span::{Symbol, sym}; use super::NEEDLESS_OPTION_TAKE; @@ -42,20 +42,20 @@ fn is_expr_option(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { /// When this function is called, we are reasonably certain that the `ExprKind` is either /// `Call` or `MethodCall` because we already checked that the expression is not /// `is_syntactic_place_expr()`. -fn source_of_temporary_value<'a>(expr: &'a Expr<'_>) -> Option<&'a str> { +fn source_of_temporary_value(expr: &Expr<'_>) -> Option<Symbol> { match expr.peel_borrows().kind { ExprKind::Call(function, _) => { if let ExprKind::Path(QPath::Resolved(_, func_path)) = function.kind && !func_path.segments.is_empty() { - return Some(func_path.segments[0].ident.name.as_str()); + return Some(func_path.segments[0].ident.name); } if let ExprKind::Path(QPath::TypeRelative(_, func_path_segment)) = function.kind { - return Some(func_path_segment.ident.name.as_str()); + return Some(func_path_segment.ident.name); } None }, - ExprKind::MethodCall(path_segment, ..) => Some(path_segment.ident.name.as_str()), + ExprKind::MethodCall(path_segment, ..) => Some(path_segment.ident.name), _ => None, } } diff --git a/src/tools/clippy/clippy_lints/src/methods/obfuscated_if_else.rs b/src/tools/clippy/clippy_lints/src/methods/obfuscated_if_else.rs index 1cc56de4876..604b48656ae 100644 --- a/src/tools/clippy/clippy_lints/src/methods/obfuscated_if_else.rs +++ b/src/tools/clippy/clippy_lints/src/methods/obfuscated_if_else.rs @@ -1,13 +1,14 @@ use super::OBFUSCATED_IF_ELSE; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::eager_or_lazy::switch_to_eager_eval; -use clippy_utils::get_parent_expr; use clippy_utils::source::snippet_with_applicability; use clippy_utils::sugg::Sugg; +use clippy_utils::{get_parent_expr, sym}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::ExprKind; use rustc_lint::LateContext; +use rustc_span::Symbol; pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, @@ -15,8 +16,8 @@ pub(super) fn check<'tcx>( then_recv: &'tcx hir::Expr<'_>, then_arg: &'tcx hir::Expr<'_>, unwrap_arg: Option<&'tcx hir::Expr<'_>>, - then_method_name: &str, - unwrap_method_name: &str, + then_method_name: Symbol, + unwrap_method_name: Symbol, ) { let recv_ty = cx.typeck_results().expr_ty(then_recv); @@ -31,25 +32,25 @@ pub(super) fn check<'tcx>( }; let if_then = match then_method_name { - "then" if let ExprKind::Closure(closure) = then_arg.kind => { + sym::then if let ExprKind::Closure(closure) = then_arg.kind => { let body = cx.tcx.hir_body(closure.body); snippet_with_applicability(cx, body.value.span, "..", &mut applicability) }, - "then_some" => snippet_with_applicability(cx, then_arg.span, "..", &mut applicability), + sym::then_some => snippet_with_applicability(cx, then_arg.span, "..", &mut applicability), _ => return, }; // FIXME: Add `unwrap_or_else` and `unwrap_or_default` symbol let els = match unwrap_method_name { - "unwrap_or" => snippet_with_applicability(cx, unwrap_arg.unwrap().span, "..", &mut applicability), - "unwrap_or_else" if let ExprKind::Closure(closure) = unwrap_arg.unwrap().kind => { + sym::unwrap_or => snippet_with_applicability(cx, unwrap_arg.unwrap().span, "..", &mut applicability), + sym::unwrap_or_else if let ExprKind::Closure(closure) = unwrap_arg.unwrap().kind => { let body = cx.tcx.hir_body(closure.body); snippet_with_applicability(cx, body.value.span, "..", &mut applicability) }, - "unwrap_or_else" if let ExprKind::Path(_) = unwrap_arg.unwrap().kind => { + sym::unwrap_or_else if let ExprKind::Path(_) = unwrap_arg.unwrap().kind => { snippet_with_applicability(cx, unwrap_arg.unwrap().span, "_", &mut applicability) + "()" }, - "unwrap_or_default" => "Default::default()".into(), + sym::unwrap_or_default => "Default::default()".into(), _ => return, }; diff --git a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_cloned.rs b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_cloned.rs index 9b22494888f..3c38deca6cd 100644 --- a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_cloned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_cloned.rs @@ -1,14 +1,16 @@ use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::sym; use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; -use rustc_span::{Span, sym}; +use rustc_span::Span; use super::{OPTION_AS_REF_CLONED, method_call}; pub(super) fn check(cx: &LateContext<'_>, cloned_recv: &Expr<'_>, cloned_ident_span: Span) { - if let Some((method @ ("as_ref" | "as_mut"), as_ref_recv, [], as_ref_ident_span, _)) = method_call(cloned_recv) + if let Some((method @ (sym::as_ref | sym::as_mut), as_ref_recv, [], as_ref_ident_span, _)) = + method_call(cloned_recv) && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(as_ref_recv).peel_refs(), sym::Option) { span_lint_and_sugg( diff --git a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs index b78b082e460..7bdd999bbba 100644 --- a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs +++ b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs @@ -11,8 +11,7 @@ use clippy_utils::{ use rustc_errors::Applicability; use rustc_lint::LateContext; use rustc_middle::ty; -use rustc_span::Span; -use rustc_span::symbol::{self, Symbol}; +use rustc_span::{Span, Symbol}; use {rustc_ast as ast, rustc_hir as hir}; use super::{OR_FUN_CALL, UNWRAP_OR_DEFAULT}; @@ -23,7 +22,7 @@ pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, expr: &hir::Expr<'_>, method_span: Span, - name: &str, + name: Symbol, receiver: &'tcx hir::Expr<'_>, args: &'tcx [hir::Expr<'_>], ) { @@ -33,7 +32,7 @@ pub(super) fn check<'tcx>( /// `or_insert_with(T::new)` or `or_insert_with(T::default)`. fn check_unwrap_or_default( cx: &LateContext<'_>, - name: &str, + name: Symbol, receiver: &hir::Expr<'_>, fun: &hir::Expr<'_>, call_expr: Option<&hir::Expr<'_>>, @@ -66,8 +65,8 @@ pub(super) fn check<'tcx>( }; let sugg = match (name, call_expr.is_some()) { - ("unwrap_or", true) | ("unwrap_or_else", false) => sym::unwrap_or_default, - ("or_insert", true) | ("or_insert_with", false) => sym::or_default, + (sym::unwrap_or, true) | (sym::unwrap_or_else, false) => sym::unwrap_or_default, + (sym::or_insert, true) | (sym::or_insert_with, false) => sym::or_default, _ => return false, }; @@ -126,7 +125,7 @@ pub(super) fn check<'tcx>( #[expect(clippy::too_many_arguments)] fn check_or_fn_call<'tcx>( cx: &LateContext<'tcx>, - name: &str, + name: Symbol, method_span: Span, self_expr: &hir::Expr<'_>, arg: &'tcx hir::Expr<'_>, @@ -137,11 +136,16 @@ pub(super) fn check<'tcx>( fun_span: Option<Span>, ) -> bool { // (path, fn_has_argument, methods, suffix) - const KNOW_TYPES: [(Symbol, bool, &[&str], &str); 4] = [ - (sym::BTreeEntry, false, &["or_insert"], "with"), - (sym::HashMapEntry, false, &["or_insert"], "with"), - (sym::Option, false, &["map_or", "ok_or", "or", "unwrap_or"], "else"), - (sym::Result, true, &["or", "unwrap_or"], "else"), + const KNOW_TYPES: [(Symbol, bool, &[Symbol], &str); 4] = [ + (sym::BTreeEntry, false, &[sym::or_insert], "with"), + (sym::HashMapEntry, false, &[sym::or_insert], "with"), + ( + sym::Option, + false, + &[sym::map_or, sym::ok_or, sym::or, sym::unwrap_or], + "else", + ), + (sym::Result, true, &[sym::or, sym::unwrap_or], "else"), ]; if KNOW_TYPES.iter().any(|k| k.2.contains(&name)) @@ -260,7 +264,7 @@ fn closure_body_returns_empty_to_string(cx: &LateContext<'_>, e: &hir::Expr<'_>) && ident.name == sym::to_string && let hir::Expr { kind, .. } = self_arg && let hir::ExprKind::Lit(lit) = kind - && let ast::LitKind::Str(symbol::kw::Empty, _) = lit.node + && let ast::LitKind::Str(rustc_span::sym::empty, _) = lit.node { return true; } diff --git a/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs b/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs index 97c8ce2bcdd..855babb797a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs +++ b/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs @@ -2,14 +2,13 @@ use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_sugg}; use clippy_utils::source::{snippet, snippet_with_applicability}; use clippy_utils::sugg::deref_closure_args; use clippy_utils::ty::is_type_lang_item; -use clippy_utils::{is_receiver_of_method_call, is_trait_method, strip_pat_refs}; +use clippy_utils::{is_receiver_of_method_call, is_trait_method, strip_pat_refs, sym}; use hir::ExprKind; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::PatKind; use rustc_lint::LateContext; -use rustc_span::Span; -use rustc_span::symbol::sym; +use rustc_span::{Span, Symbol}; use super::SEARCH_IS_SOME; @@ -19,7 +18,7 @@ use super::SEARCH_IS_SOME; pub(super) fn check<'tcx>( cx: &LateContext<'_>, expr: &'tcx hir::Expr<'_>, - search_method: &str, + search_method: Symbol, is_some: bool, search_recv: &hir::Expr<'_>, search_arg: &'tcx hir::Expr<'_>, @@ -35,7 +34,7 @@ pub(super) fn check<'tcx>( // suggest `any(|x| ..)` instead of `any(|&x| ..)` for `find(|&x| ..).is_some()` // suggest `any(|..| *..)` instead of `any(|..| **..)` for `find(|..| **..).is_some()` let mut applicability = Applicability::MachineApplicable; - let any_search_snippet = if search_method == "find" + let any_search_snippet = if search_method == sym::find && let ExprKind::Closure(&hir::Closure { body, .. }) = search_arg.kind && let closure_body = cx.tcx.hir_body(body) && let Some(closure_arg) = closure_body.params.first() @@ -107,7 +106,7 @@ pub(super) fn check<'tcx>( } } // lint if `find()` is called by `String` or `&str` - else if search_method == "find" { + else if search_method == sym::find { let is_string_or_str_slice = |e| { let self_ty = cx.typeck_results().expr_ty(e).peel_refs(); if is_type_lang_item(cx, self_ty, hir::LangItem::String) { diff --git a/src/tools/clippy/clippy_lints/src/methods/str_split.rs b/src/tools/clippy/clippy_lints/src/methods/str_split.rs index fb4ac7b3613..479064a0671 100644 --- a/src/tools/clippy/clippy_lints/src/methods/str_split.rs +++ b/src/tools/clippy/clippy_lints/src/methods/str_split.rs @@ -15,7 +15,7 @@ pub(super) fn check<'a>(cx: &LateContext<'a>, expr: &'_ Expr<'_>, split_recv: &' // or `"\r\n"`). There are a lot of ways to specify a pattern, and this lint only checks the most // basic ones: a `'\n'`, `"\n"`, and `"\r\n"`. if let ExprKind::MethodCall(trim_method_name, trim_recv, [], _) = split_recv.kind - && trim_method_name.ident.as_str() == "trim" + && trim_method_name.ident.name == sym::trim && cx.typeck_results().expr_ty_adjusted(trim_recv).peel_refs().is_str() && !is_const_evaluatable(cx, trim_recv) && let ExprKind::Lit(split_lit) = split_arg.kind diff --git a/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs b/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs index c8efb600f57..6935ae1f391 100644 --- a/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs +++ b/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs @@ -4,7 +4,7 @@ use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::snippet_with_context; use clippy_utils::usage::local_used_after_expr; use clippy_utils::visitors::{Descend, for_each_expr}; -use clippy_utils::{is_diag_item_method, path_to_local_id, paths}; +use clippy_utils::{is_diag_item_method, path_to_local_id, paths, sym}; use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir::{ @@ -12,13 +12,13 @@ use rustc_hir::{ }; use rustc_lint::LateContext; use rustc_middle::ty; -use rustc_span::{Span, Symbol, SyntaxContext, sym}; +use rustc_span::{Span, Symbol, SyntaxContext}; use super::{MANUAL_SPLIT_ONCE, NEEDLESS_SPLITN}; pub(super) fn check( cx: &LateContext<'_>, - method_name: &str, + method_name: Symbol, expr: &Expr<'_>, self_arg: &Expr<'_>, pat_arg: &Expr<'_>, @@ -45,9 +45,9 @@ pub(super) fn check( } } -fn lint_needless(cx: &LateContext<'_>, method_name: &str, expr: &Expr<'_>, self_arg: &Expr<'_>, pat_arg: &Expr<'_>) { +fn lint_needless(cx: &LateContext<'_>, method_name: Symbol, expr: &Expr<'_>, self_arg: &Expr<'_>, pat_arg: &Expr<'_>) { let mut app = Applicability::MachineApplicable; - let r = if method_name == "splitn" { "" } else { "r" }; + let r = if method_name == sym::splitn { "" } else { "r" }; span_lint_and_sugg( cx, @@ -66,14 +66,14 @@ fn lint_needless(cx: &LateContext<'_>, method_name: &str, expr: &Expr<'_>, self_ fn check_manual_split_once( cx: &LateContext<'_>, - method_name: &str, + method_name: Symbol, expr: &Expr<'_>, self_arg: &Expr<'_>, pat_arg: &Expr<'_>, usage: &IterUsage, ) { let ctxt = expr.span.ctxt(); - let (msg, reverse) = if method_name == "splitn" { + let (msg, reverse) = if method_name == sym::splitn { ("manual implementation of `split_once`", false) } else { ("manual implementation of `rsplit_once`", true) @@ -121,7 +121,7 @@ fn check_manual_split_once( /// ``` fn check_manual_split_once_indirect( cx: &LateContext<'_>, - method_name: &str, + method_name: Symbol, expr: &Expr<'_>, self_arg: &Expr<'_>, pat_arg: &Expr<'_>, @@ -143,7 +143,7 @@ fn check_manual_split_once_indirect( && first.name != second.name && !local_used_after_expr(cx, iter_binding_id, second.init_expr) { - let (r, lhs, rhs) = if method_name == "splitn" { + let (r, lhs, rhs) = if method_name == sym::splitn { ("", first.name, second.name) } else { ("r", second.name, first.name) diff --git a/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs b/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs index c7885f689d7..f11a41f90f1 100644 --- a/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs +++ b/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::method_chain_args; use clippy_utils::source::snippet_with_applicability; use clippy_utils::ty::is_type_lang_item; +use clippy_utils::{method_chain_args, sym}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; @@ -13,7 +13,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr if !is_type_lang_item(cx, obj_ty, hir::LangItem::String) { return; } - if let Some(arglists) = method_chain_args(arg, &["chars"]) { + if let Some(arglists) = method_chain_args(arg, &[sym::chars]) { let target = &arglists[0].0; let self_ty = cx.typeck_results().expr_ty(target).peel_refs(); let ref_str = if self_ty.is_str() { diff --git a/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs b/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs index ff5c1d1a401..f8b6d4349fb 100644 --- a/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs +++ b/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs @@ -2,11 +2,12 @@ use clippy_utils::diagnostics::span_lint_and_note; use rustc_ast::LitKind; use rustc_hir::{Expr, ExprKind}; use rustc_lint::LateContext; +use rustc_span::Symbol; use rustc_span::source_map::Spanned; use super::SUSPICIOUS_SPLITN; -pub(super) fn check(cx: &LateContext<'_>, method_name: &str, expr: &Expr<'_>, self_arg: &Expr<'_>, count: u128) { +pub(super) fn check(cx: &LateContext<'_>, method_name: Symbol, expr: &Expr<'_>, self_arg: &Expr<'_>, count: u128) { if count <= 1 && let Some(call_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) && let Some(impl_id) = cx.tcx.impl_of_method(call_id) diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs index 79ed352193f..d260e0ef6e1 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs @@ -9,10 +9,16 @@ use rustc_hir as hir; use rustc_hir::LangItem::{OptionNone, OptionSome}; use rustc_lint::LateContext; use rustc_middle::ty; +use rustc_span::Symbol; use super::{UNNECESSARY_FILTER_MAP, UNNECESSARY_FIND_MAP}; -pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>, arg: &'tcx hir::Expr<'tcx>, name: &str) { +pub(super) fn check<'tcx>( + cx: &LateContext<'tcx>, + expr: &'tcx hir::Expr<'tcx>, + arg: &'tcx hir::Expr<'tcx>, + name: Symbol, +) { if !is_trait_method(cx, expr, sym::Iterator) { return; } @@ -38,7 +44,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>, a let in_ty = cx.typeck_results().node_type(body.params[0].hir_id); let sugg = if !found_filtering { // Check if the closure is .filter_map(|x| Some(x)) - if name == "filter_map" + if name == sym::filter_map && let hir::ExprKind::Call(expr, args) = body.value.kind && is_res_lang_ctor(cx, path_res(cx, expr), OptionSome) && let hir::ExprKind::Path(_) = args[0].kind @@ -51,7 +57,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>, a ); return; } - if name == "filter_map" { + if name == sym::filter_map { "map(..)" } else { "map(..).next()" @@ -61,7 +67,11 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>, a ty::Adt(adt, subst) if cx.tcx.is_diagnostic_item(sym::Option, adt.did()) && in_ty == subst.type_at(0) => { - if name == "filter_map" { "filter(..)" } else { "find(..)" } + if name == sym::filter_map { + "filter(..)" + } else { + "find(..)" + } }, _ => return, } @@ -70,7 +80,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>, a }; span_lint( cx, - if name == "filter_map" { + if name == sym::filter_map { UNNECESSARY_FILTER_MAP } else { UNNECESSARY_FIND_MAP diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_literal_unwrap.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_literal_unwrap.rs index fa3a29e3667..cc4448192d3 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_literal_unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_literal_unwrap.rs @@ -1,10 +1,11 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::{MaybePath, is_res_lang_ctor, last_path_segment, path_res}; +use clippy_utils::{MaybePath, is_res_lang_ctor, last_path_segment, path_res, sym}; use rustc_errors::Applicability; use rustc_hir::{self as hir, AmbigArg}; use rustc_lint::LateContext; use rustc_middle::ty; use rustc_middle::ty::print::with_forced_trimmed_paths; +use rustc_span::Symbol; use super::UNNECESSARY_LITERAL_UNWRAP; @@ -25,7 +26,7 @@ pub(super) fn check( cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>, - method: &str, + method: Symbol, args: &[hir::Expr<'_>], ) { let init = clippy_utils::expr_or_init(cx, recv); @@ -42,17 +43,17 @@ pub(super) fn check( let res = cx.qpath_res(qpath, call.hir_id()); if is_res_lang_ctor(cx, res, hir::LangItem::OptionSome) { - ("Some", call_args, get_ty_from_args(args, 0)) + (sym::Some, call_args, get_ty_from_args(args, 0)) } else if is_res_lang_ctor(cx, res, hir::LangItem::ResultOk) { - ("Ok", call_args, get_ty_from_args(args, 0)) + (sym::Ok, call_args, get_ty_from_args(args, 0)) } else if is_res_lang_ctor(cx, res, hir::LangItem::ResultErr) { - ("Err", call_args, get_ty_from_args(args, 1)) + (sym::Err, call_args, get_ty_from_args(args, 1)) } else { return; } } else if is_res_lang_ctor(cx, path_res(cx, init), hir::LangItem::OptionNone) { let call_args: &[hir::Expr<'_>] = &[]; - ("None", call_args, None) + (sym::None, call_args, None) } else { return; }; @@ -62,12 +63,12 @@ pub(super) fn check( span_lint_and_then(cx, UNNECESSARY_LITERAL_UNWRAP, expr.span, help_message, |diag| { let suggestions = match (constructor, method, ty) { - ("None", "unwrap", _) => Some(vec![(expr.span, "panic!()".to_string())]), - ("None", "expect", _) => Some(vec![ + (sym::None, sym::unwrap, _) => Some(vec![(expr.span, "panic!()".to_string())]), + (sym::None, sym::expect, _) => Some(vec![ (expr.span.with_hi(args[0].span.lo()), "panic!(".to_string()), (expr.span.with_lo(args[0].span.hi()), ")".to_string()), ]), - ("Some" | "Ok", "unwrap_unchecked", _) | ("Err", "unwrap_err_unchecked", _) => { + (sym::Some | sym::Ok, sym::unwrap_unchecked, _) | (sym::Err, sym::unwrap_err_unchecked, _) => { let mut suggs = vec![ (recv.span.with_hi(call_args[0].span.lo()), String::new()), (expr.span.with_lo(call_args[0].span.hi()), String::new()), @@ -83,7 +84,7 @@ pub(super) fn check( } Some(suggs) }, - ("None", "unwrap_or_default", _) => { + (sym::None, sym::unwrap_or_default, _) => { let ty = cx.typeck_results().expr_ty(expr); let default_ty_string = if let ty::Adt(def, ..) = ty.kind() { with_forced_trimmed_paths!(format!("{}", cx.tcx.def_path_str(def.did()))) @@ -92,11 +93,11 @@ pub(super) fn check( }; Some(vec![(expr.span, format!("{default_ty_string}::default()"))]) }, - ("None", "unwrap_or", _) => Some(vec![ + (sym::None, sym::unwrap_or, _) => Some(vec![ (expr.span.with_hi(args[0].span.lo()), String::new()), (expr.span.with_lo(args[0].span.hi()), String::new()), ]), - ("None", "unwrap_or_else", _) => match args[0].kind { + (sym::None, sym::unwrap_or_else, _) => match args[0].kind { hir::ExprKind::Closure(hir::Closure { body, .. }) => Some(vec![ (expr.span.with_hi(cx.tcx.hir_body(*body).value.span.lo()), String::new()), (expr.span.with_lo(args[0].span.hi()), String::new()), @@ -105,14 +106,14 @@ pub(super) fn check( }, _ if call_args.is_empty() => None, (_, _, Some(_)) => None, - ("Ok", "unwrap_err", None) | ("Err", "unwrap", None) => Some(vec![ + (sym::Ok, sym::unwrap_err, None) | (sym::Err, sym::unwrap, None) => Some(vec![ ( recv.span.with_hi(call_args[0].span.lo()), "panic!(\"{:?}\", ".to_string(), ), (expr.span.with_lo(call_args[0].span.hi()), ")".to_string()), ]), - ("Ok", "expect_err", None) | ("Err", "expect", None) => Some(vec![ + (sym::Ok, sym::expect_err, None) | (sym::Err, sym::expect, None) => Some(vec![ ( recv.span.with_hi(call_args[0].span.lo()), "panic!(\"{1}: {:?}\", ".to_string(), diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_min_or_max.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_min_or_max.rs index 7d01bdc2269..413881d5ec9 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_min_or_max.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_min_or_max.rs @@ -5,16 +5,17 @@ use clippy_utils::consts::{ConstEvalCtxt, Constant, ConstantSource, FullInt}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; +use clippy_utils::sym; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; use rustc_middle::ty; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol}; pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, - name: &str, + name: Symbol, recv: &'tcx Expr<'_>, arg: &'tcx Expr<'_>, ) { @@ -47,10 +48,10 @@ pub(super) fn check<'tcx>( } } -fn lint(cx: &LateContext<'_>, expr: &Expr<'_>, name: &str, lhs: Span, rhs: Span, order: Ordering) { +fn lint(cx: &LateContext<'_>, expr: &Expr<'_>, name: Symbol, lhs: Span, rhs: Span, order: Ordering) { let cmp_str = if order.is_ge() { "smaller" } else { "greater" }; - let suggested_value = if (name == "min" && order.is_ge()) || (name == "max" && order.is_le()) { + let suggested_value = if (name == sym::min && order.is_ge()) || (name == sym::max && order.is_le()) { snippet(cx, rhs, "..") } else { snippet(cx, lhs, "..") diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs index fb4984914eb..dbff08bc51c 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs @@ -188,7 +188,7 @@ fn detect_lint(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, arg: &Exp fn expr_borrows(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { let ty = cx.typeck_results().expr_ty(expr); - matches!(ty.kind(), ty::Ref(..)) || ty.walk().any(|arg| matches!(arg.unpack(), GenericArgKind::Lifetime(_))) + matches!(ty.kind(), ty::Ref(..)) || ty.walk().any(|arg| matches!(arg.kind(), GenericArgKind::Lifetime(_))) } pub(super) fn check<'tcx>( diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs index 87bb8d46a1d..fdccf1fb33d 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs @@ -44,7 +44,7 @@ pub fn check<'tcx>( return; } // At this point, we know the call is of a `to_owned`-like function. The functions - // `check_addr_of_expr` and `check_call_arg` determine whether the call is unnecessary + // `check_addr_of_expr` and `check_into_iter_call_arg` determine whether the call is unnecessary // based on its context, that is, whether it is a referent in an `AddrOf` expression, an // argument in a `into_iter` call, or an argument in the call of some other function. if check_addr_of_expr(cx, expr, method_name, method_def_id, receiver) { @@ -608,7 +608,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty< } fn has_lifetime(ty: Ty<'_>) -> bool { - ty.walk().any(|t| matches!(t.unpack(), GenericArgKind::Lifetime(_))) + ty.walk().any(|t| matches!(t.kind(), GenericArgKind::Lifetime(_))) } /// Returns true if the named method is `Iterator::cloned` or `Iterator::copied`. @@ -619,7 +619,7 @@ fn is_cloned_or_copied(cx: &LateContext<'_>, method_name: Symbol, method_def_id: /// Returns true if the named method can be used to convert the receiver to its "owned" /// representation. fn is_to_owned_like<'a>(cx: &LateContext<'a>, call_expr: &Expr<'a>, method_name: Symbol, method_def_id: DefId) -> bool { - is_clone_like(cx, method_name.as_str(), method_def_id) + is_clone_like(cx, method_name, method_def_id) || is_cow_into_owned(cx, method_name, method_def_id) || is_to_string_on_string_like(cx, call_expr, method_name, method_def_id) } @@ -643,7 +643,7 @@ fn is_to_string_on_string_like<'a>( if let Some(args) = cx.typeck_results().node_args_opt(call_expr.hir_id) && let [generic_arg] = args.as_slice() - && let GenericArgKind::Type(ty) = generic_arg.unpack() + && let GenericArgKind::Type(ty) = generic_arg.kind() && let Some(deref_trait_id) = cx.tcx.get_diagnostic_item(sym::Deref) && let Some(as_ref_trait_id) = cx.tcx.get_diagnostic_item(sym::AsRef) && (cx.get_associated_type(ty, deref_trait_id, sym::Target) == Some(cx.tcx.types.str_) @@ -655,11 +655,18 @@ fn is_to_string_on_string_like<'a>( } } -fn is_a_std_map_type(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { - is_type_diagnostic_item(cx, ty, sym::HashSet) - || is_type_diagnostic_item(cx, ty, sym::HashMap) - || is_type_diagnostic_item(cx, ty, sym::BTreeMap) - || is_type_diagnostic_item(cx, ty, sym::BTreeSet) +fn std_map_key<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<Ty<'tcx>> { + match ty.kind() { + ty::Adt(adt, args) + if matches!( + cx.tcx.get_diagnostic_name(adt.did()), + Some(sym::BTreeMap | sym::BTreeSet | sym::HashMap | sym::HashSet) + ) => + { + Some(args.type_at(0)) + }, + _ => None, + } } fn is_str_and_string(cx: &LateContext<'_>, arg_ty: Ty<'_>, original_arg_ty: Ty<'_>) -> bool { @@ -679,11 +686,11 @@ fn check_if_applicable_to_argument<'tcx>(cx: &LateContext<'tcx>, arg: &Expr<'tcx if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, expr) = arg.kind && let ExprKind::MethodCall(method_path, caller, &[], _) = expr.kind && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) - && let method_name = method_path.ident.name.as_str() + && let method_name = method_path.ident.name && match method_name { - "to_owned" => cx.tcx.is_diagnostic_item(sym::to_owned_method, method_def_id), - "to_string" => cx.tcx.is_diagnostic_item(sym::to_string_method, method_def_id), - "to_vec" => cx + sym::to_owned => cx.tcx.is_diagnostic_item(sym::to_owned_method, method_def_id), + sym::to_string => cx.tcx.is_diagnostic_item(sym::to_string_method, method_def_id), + sym::to_vec => cx .tcx .impl_of_method(method_def_id) .filter(|&impl_did| cx.tcx.type_of(impl_did).instantiate_identity().is_slice()) @@ -721,6 +728,7 @@ fn check_if_applicable_to_argument<'tcx>(cx: &LateContext<'tcx>, arg: &Expr<'tcx // 1. This is a method with only one argument that doesn't come from a trait. // 2. That it has `Borrow` in its generic predicates. // 3. `Self` is a std "map type" (ie `HashSet`, `HashMap`, `BTreeSet`, `BTreeMap`). +// 4. The key to the "map type" is not a reference. fn check_borrow_predicate<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { if let ExprKind::MethodCall(_, caller, &[arg], _) = expr.kind && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) @@ -738,7 +746,9 @@ fn check_borrow_predicate<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { }) && let caller_ty = cx.typeck_results().expr_ty(caller) // For now we limit it to "map types". - && is_a_std_map_type(cx, caller_ty) + && let Some(key_ty) = std_map_key(cx, caller_ty) + // We need to check that the key type is not a reference. + && !key_ty.is_ref() { check_if_applicable_to_argument(cx, &arg); } diff --git a/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs b/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs index 17e2620d9dd..d30c12e0c48 100644 --- a/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs +++ b/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs @@ -7,7 +7,7 @@ use rustc_hir::{self as hir, LangItem}; use rustc_lint::LateContext; use rustc_middle::ty::adjustment::Adjust; use rustc_middle::ty::{Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor}; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol, sym}; use core::ops::ControlFlow; @@ -39,7 +39,7 @@ fn get_enum_ty(enum_ty: Ty<'_>) -> Option<Ty<'_>> { } /// Checks for the `USELESS_ASREF` lint. -pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, call_name: &str, recvr: &hir::Expr<'_>) { +pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, call_name: Symbol, recvr: &hir::Expr<'_>) { // when we get here, we've already checked that the call name is "as_ref" or "as_mut" // check if the call is to the actual `AsRef` or `AsMut` trait let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) else { @@ -79,9 +79,9 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, call_name: &str, applicability, ); } - } else if let Some(impl_id) = cx.tcx.opt_parent(def_id) + } else if let Some(impl_id) = cx.tcx.impl_of_method(def_id) && let Some(adt) = cx.tcx.type_of(impl_id).instantiate_identity().ty_adt_def() - && (cx.tcx.lang_items().option_type() == Some(adt.did()) || cx.tcx.is_diagnostic_item(sym::Result, adt.did())) + && matches!(cx.tcx.get_diagnostic_name(adt.did()), Some(sym::Option | sym::Result)) { let rcv_ty = cx.typeck_results().expr_ty(recvr).peel_refs(); let res_ty = cx.typeck_results().expr_ty(expr).peel_refs(); @@ -161,7 +161,7 @@ fn is_calling_clone(cx: &LateContext<'_>, arg: &hir::Expr<'_>) -> bool { } } -fn lint_as_ref_clone(cx: &LateContext<'_>, span: Span, recvr: &hir::Expr<'_>, call_name: &str) { +fn lint_as_ref_clone(cx: &LateContext<'_>, span: Span, recvr: &hir::Expr<'_>, call_name: Symbol) { let mut applicability = Applicability::MachineApplicable; span_lint_and_sugg( cx, diff --git a/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs b/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs index 7384e534ed7..ad9b3c36454 100644 --- a/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs +++ b/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::ty::is_copy; use rustc_lint::LateContext; use rustc_middle::ty::Ty; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use std::fmt; use super::WRONG_SELF_CONVENTION; @@ -83,17 +83,18 @@ impl fmt::Display for Convention { #[allow(clippy::too_many_arguments)] pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, - item_name: &str, + item_name: Symbol, self_ty: Ty<'tcx>, first_arg_ty: Ty<'tcx>, first_arg_span: Span, implements_trait: bool, is_trait_item: bool, ) { + let item_name_str = item_name.as_str(); if let Some((conventions, self_kinds)) = &CONVENTIONS.iter().find(|(convs, _)| { convs .iter() - .all(|conv| conv.check(cx, self_ty, item_name, implements_trait, is_trait_item)) + .all(|conv| conv.check(cx, self_ty, item_name_str, implements_trait, is_trait_item)) }) { // don't lint if it implements a trait but not willing to check `Copy` types conventions (see #7032) if implements_trait diff --git a/src/tools/clippy/clippy_lints/src/missing_const_for_fn.rs b/src/tools/clippy/clippy_lints/src/missing_const_for_fn.rs index f3e24044fb6..a6be7581c9a 100644 --- a/src/tools/clippy/clippy_lints/src/missing_const_for_fn.rs +++ b/src/tools/clippy/clippy_lints/src/missing_const_for_fn.rs @@ -7,7 +7,7 @@ use rustc_abi::ExternAbi; use rustc_errors::Applicability; use rustc_hir::def_id::CRATE_DEF_ID; use rustc_hir::intravisit::FnKind; -use rustc_hir::{self as hir, Body, Constness, FnDecl, GenericParamKind}; +use rustc_hir::{self as hir, Body, Constness, FnDecl, GenericParamKind, OwnerId}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::impl_lint_pass; @@ -125,7 +125,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn { } }, FnKind::Method(_, sig, ..) => { - if already_const(sig.header) || trait_ref_of_method(cx, def_id).is_some() { + if already_const(sig.header) || trait_ref_of_method(cx, OwnerId { def_id }).is_some() { return; } }, diff --git a/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs b/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs index be7dd74fd62..d4d33029dbd 100644 --- a/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs +++ b/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs @@ -225,7 +225,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingFieldsInDebug { && let typeck_results = cx.tcx.typeck_body(*body_id) && should_lint(cx, typeck_results, block) // we intentionally only lint structs, see lint description - && let ItemKind::Struct(_, data, _) = &self_item.kind + && let ItemKind::Struct(_, _, data) = &self_item.kind { check_struct(cx, typeck_results, block, self_ty, item, data); } diff --git a/src/tools/clippy/clippy_lints/src/mut_key.rs b/src/tools/clippy/clippy_lints/src/mut_key.rs index a45031ce22b..98a9a98d281 100644 --- a/src/tools/clippy/clippy_lints/src/mut_key.rs +++ b/src/tools/clippy/clippy_lints/src/mut_key.rs @@ -83,7 +83,7 @@ impl<'tcx> LateLintPass<'tcx> for MutableKeyType<'tcx> { fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::ImplItem<'tcx>) { if let hir::ImplItemKind::Fn(ref sig, ..) = item.kind - && trait_ref_of_method(cx, item.owner_id.def_id).is_none() + && trait_ref_of_method(cx, item.owner_id).is_none() { self.check_sig(cx, item.owner_id.def_id, sig.decl); } diff --git a/src/tools/clippy/clippy_lints/src/mut_reference.rs b/src/tools/clippy/clippy_lints/src/mut_reference.rs index 2fd1049f42e..2f1ab3d2652 100644 --- a/src/tools/clippy/clippy_lints/src/mut_reference.rs +++ b/src/tools/clippy/clippy_lints/src/mut_reference.rs @@ -79,25 +79,19 @@ fn check_arguments<'tcx>( name: &str, fn_kind: &str, ) { - match type_definition.kind() { - ty::FnDef(..) | ty::FnPtr(..) => { - let parameters = type_definition.fn_sig(cx.tcx).skip_binder().inputs(); - for (argument, parameter) in iter::zip(arguments, parameters) { - match parameter.kind() { - ty::Ref(_, _, Mutability::Not) | ty::RawPtr(_, Mutability::Not) => { - if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Mut, _) = argument.kind { - span_lint( - cx, - UNNECESSARY_MUT_PASSED, - argument.span, - format!("the {fn_kind} `{name}` doesn't need a mutable reference"), - ); - } - }, - _ => (), - } + if let ty::FnDef(..) | ty::FnPtr(..) = type_definition.kind() { + let parameters = type_definition.fn_sig(cx.tcx).skip_binder().inputs(); + for (argument, parameter) in iter::zip(arguments, parameters) { + if let ty::Ref(_, _, Mutability::Not) | ty::RawPtr(_, Mutability::Not) = parameter.kind() + && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Mut, _) = argument.kind + { + span_lint( + cx, + UNNECESSARY_MUT_PASSED, + argument.span, + format!("the {fn_kind} `{name}` doesn't need a mutable reference"), + ); } - }, - _ => (), + } } } diff --git a/src/tools/clippy/clippy_lints/src/needless_bool.rs b/src/tools/clippy/clippy_lints/src/needless_bool.rs index f768e11a4a2..3ed4b1c2ea9 100644 --- a/src/tools/clippy/clippy_lints/src/needless_bool.rs +++ b/src/tools/clippy/clippy_lints/src/needless_bool.rs @@ -3,7 +3,7 @@ use clippy_utils::source::snippet_with_applicability; use clippy_utils::sugg::Sugg; use clippy_utils::{ SpanlessEq, get_parent_expr, higher, is_block_like, is_else_clause, is_expn_of, is_parent_stmt, - is_receiver_of_method_call, peel_blocks, peel_blocks_with_stmt, span_extract_comment, + is_receiver_of_method_call, peel_blocks, peel_blocks_with_stmt, span_extract_comment, sym, }; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -320,7 +320,7 @@ fn check_comparison<'a, 'tcx>( cx.typeck_results().expr_ty(left_side), cx.typeck_results().expr_ty(right_side), ); - if is_expn_of(left_side.span, "cfg").is_some() || is_expn_of(right_side.span, "cfg").is_some() { + if is_expn_of(left_side.span, sym::cfg).is_some() || is_expn_of(right_side.span, sym::cfg).is_some() { return; } if l_ty.is_bool() && r_ty.is_bool() { diff --git a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs index e579dd5947d..2efb55b9880 100644 --- a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -269,7 +269,7 @@ fn needless_borrow_count<'tcx>( .tcx .is_diagnostic_item(sym::IntoIterator, trait_predicate.trait_ref.def_id) && let ty::Param(param_ty) = trait_predicate.self_ty().kind() - && let GenericArgKind::Type(ty) = args_with_referent_ty[param_ty.index as usize].unpack() + && let GenericArgKind::Type(ty) = args_with_referent_ty[param_ty.index as usize].kind() && ty.is_array() && !msrv.meets(cx, msrvs::ARRAY_INTO_ITERATOR) { diff --git a/src/tools/clippy/clippy_lints/src/needless_for_each.rs b/src/tools/clippy/clippy_lints/src/needless_for_each.rs index 7dd96f1f037..6a7c8436bad 100644 --- a/src/tools/clippy/clippy_lints/src/needless_for_each.rs +++ b/src/tools/clippy/clippy_lints/src/needless_for_each.rs @@ -74,7 +74,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessForEach { && let body = cx.tcx.hir_body(body) // Skip the lint if the body is not safe, so as not to suggest `for … in … unsafe {}` // and suggesting `for … in … { unsafe { } }` is a little ugly. - && let ExprKind::Block(Block { rules: BlockCheckMode::DefaultBlock, .. }, ..) = body.value.kind + && !matches!(body.value.kind, ExprKind::Block(Block { rules: BlockCheckMode::UnsafeBlock(_), .. }, ..)) { let mut ret_collector = RetCollector::default(); ret_collector.visit_expr(body.value); @@ -99,11 +99,21 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessForEach { ) }; + let body_param_sugg = snippet_with_applicability(cx, body.params[0].pat.span, "..", &mut applicability); + let for_each_rev_sugg = snippet_with_applicability(cx, for_each_recv.span, "..", &mut applicability); + let body_value_sugg = snippet_with_applicability(cx, body.value.span, "..", &mut applicability); + let sugg = format!( "for {} in {} {}", - snippet_with_applicability(cx, body.params[0].pat.span, "..", &mut applicability), - snippet_with_applicability(cx, for_each_recv.span, "..", &mut applicability), - snippet_with_applicability(cx, body.value.span, "..", &mut applicability), + body_param_sugg, + for_each_rev_sugg, + match body.value.kind { + ExprKind::Block(block, _) if is_let_desugar(block) => { + format!("{{ {body_value_sugg} }}") + }, + ExprKind::Block(_, _) => body_value_sugg.to_string(), + _ => format!("{{ {body_value_sugg}; }}"), + } ); span_lint_and_then(cx, NEEDLESS_FOR_EACH, stmt.span, "needless use of `for_each`", |diag| { @@ -116,6 +126,20 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessForEach { } } +/// Check if the block is a desugared `_ = expr` statement. +fn is_let_desugar(block: &Block<'_>) -> bool { + matches!( + block, + Block { + stmts: [Stmt { + kind: StmtKind::Let(_), + .. + },], + .. + } + ) +} + /// This type plays two roles. /// 1. Collect spans of `return` in the closure body. /// 2. Detect use of `return` in `Loop` in the closure body. diff --git a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs index 275d710c76a..95623467b81 100644 --- a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs +++ b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs @@ -212,7 +212,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { } if is_type_diagnostic_item(cx, ty, sym::Vec) - && let Some(clone_spans) = get_spans(cx, Some(body.id()), idx, &[("clone", ".to_owned()")]) + && let Some(clone_spans) = get_spans(cx, Some(body.id()), idx, &[(sym::clone, ".to_owned()")]) && let TyKind::Path(QPath::Resolved(_, path)) = input.kind && let Some(elem_ty) = path .segments @@ -253,8 +253,12 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { } if is_type_lang_item(cx, ty, LangItem::String) - && let Some(clone_spans) = - get_spans(cx, Some(body.id()), idx, &[("clone", ".to_string()"), ("as_str", "")]) + && let Some(clone_spans) = get_spans( + cx, + Some(body.id()), + idx, + &[(sym::clone, ".to_string()"), (sym::as_str, "")], + ) { diag.span_suggestion( input.span, diff --git a/src/tools/clippy/clippy_lints/src/no_effect.rs b/src/tools/clippy/clippy_lints/src/no_effect.rs index 7ab7976d569..02c48166131 100644 --- a/src/tools/clippy/clippy_lints/src/no_effect.rs +++ b/src/tools/clippy/clippy_lints/src/no_effect.rs @@ -221,10 +221,16 @@ fn is_operator_overridden(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { } } +/// Checks if dropping `expr` might have a visible side effect. +fn expr_ty_has_significant_drop(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + let ty = cx.typeck_results().expr_ty(expr); + ty.has_significant_drop(cx.tcx, cx.typing_env()) +} + fn has_no_effect(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { match expr.kind { ExprKind::Lit(..) | ExprKind::Closure { .. } => true, - ExprKind::Path(..) => !has_drop(cx, cx.typeck_results().expr_ty(expr)), + ExprKind::Path(..) => !expr_ty_has_significant_drop(cx, expr), ExprKind::Index(a, b, _) | ExprKind::Binary(_, a, b) => has_no_effect(cx, a) && has_no_effect(cx, b), ExprKind::Array(v) | ExprKind::Tup(v) => v.iter().all(|val| has_no_effect(cx, val)), ExprKind::Repeat(inner, _) @@ -233,8 +239,8 @@ fn has_no_effect(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { | ExprKind::Unary(_, inner) | ExprKind::Field(inner, _) | ExprKind::AddrOf(_, _, inner) => has_no_effect(cx, inner), - ExprKind::Struct(_, fields, ref base) => { - !has_drop(cx, cx.typeck_results().expr_ty(expr)) + ExprKind::Struct(_, fields, base) => { + !expr_ty_has_significant_drop(cx, expr) && fields.iter().all(|field| has_no_effect(cx, field.expr)) && match &base { StructTailExpr::None | StructTailExpr::DefaultFields(_) => true, @@ -252,7 +258,7 @@ fn has_no_effect(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { Res::Def(DefKind::Struct | DefKind::Variant | DefKind::Ctor(..), ..) ); if def_matched || is_range_literal(expr) { - !has_drop(cx, cx.typeck_results().expr_ty(expr)) && args.iter().all(|arg| has_no_effect(cx, arg)) + !expr_ty_has_significant_drop(cx, expr) && args.iter().all(|arg| has_no_effect(cx, arg)) } else { false } diff --git a/src/tools/clippy/clippy_lints/src/non_copy_const.rs b/src/tools/clippy/clippy_lints/src/non_copy_const.rs index 6d3e77b6b6e..a27c6aa75e3 100644 --- a/src/tools/clippy/clippy_lints/src/non_copy_const.rs +++ b/src/tools/clippy/clippy_lints/src/non_copy_const.rs @@ -1,56 +1,78 @@ -use std::ptr; +// Implementation for lints detecting interior mutability in constants. +// +// For `declare_interior_mutable_const` there are three strategies used to +// determine if a value has interior mutability: +// * A type-based check. This is the least accurate, but can always run. +// * A const-eval based check. This is the most accurate, but this requires that the value is +// defined and does not work with generics. +// * A HIR-tree based check. This is less accurate than const-eval, but it can be applied to generic +// values. +// +// For `borrow_interior_mutable_const` the same three strategies are applied +// when checking a constant's value, but field and array index projections at +// the borrow site are taken into account as well. As an example: `FOO.bar` may +// have interior mutability, but `FOO.baz` may not. When borrowing `FOO.baz` no +// warning will be issued. +// +// No matter the lint or strategy, a warning should only be issued if a value +// definitely contains interior mutability. use clippy_config::Conf; -use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::consts::{ConstEvalCtxt, Constant}; +use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; use clippy_utils::is_in_const_context; use clippy_utils::macros::macro_backtrace; -use clippy_utils::ty::{InteriorMut, implements_trait}; -use rustc_abi::VariantIdx; +use clippy_utils::paths::{PathNS, lookup_path_str}; +use clippy_utils::ty::{get_field_idx_by_name, implements_trait}; +use rustc_data_structures::fx::FxHashMap; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::def_id::DefId; +use rustc_hir::def_id::{DefId, DefIdSet}; use rustc_hir::{ - BodyId, Expr, ExprKind, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind, Node, TraitItem, TraitItemKind, UnOp, + Expr, ExprKind, ImplItem, ImplItemKind, Item, ItemKind, Node, StructTailExpr, TraitItem, TraitItemKind, UnOp, +}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; +use rustc_middle::mir::{ConstValue, UnevaluatedConst}; +use rustc_middle::ty::adjustment::{Adjust, Adjustment}; +use rustc_middle::ty::{ + self, AliasTyKind, EarlyBinder, GenericArgs, GenericArgsRef, Instance, Ty, TyCtxt, TypeFolder, TypeSuperFoldable, + TypeckResults, TypingEnv, }; -use rustc_lint::{LateContext, LateLintPass, Lint}; -use rustc_middle::mir::interpret::{ErrorHandled, EvalToValTreeResult, GlobalId, ReportedErrorInfo}; -use rustc_middle::ty::adjustment::Adjust; -use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_session::impl_lint_pass; -use rustc_span::{DUMMY_SP, Span, sym}; +use rustc_span::{DUMMY_SP, sym}; +use std::collections::hash_map::Entry; -// FIXME: this is a correctness problem but there's no suitable -// warn-by-default category. declare_clippy_lint! { /// ### What it does - /// Checks for declaration of `const` items which is interior - /// mutable (e.g., contains a `Cell`, `Mutex`, `AtomicXxxx`, etc.). + /// Checks for the declaration of named constant which contain interior mutability. /// /// ### Why is this bad? - /// Consts are copied everywhere they are referenced, i.e., - /// every time you refer to the const a fresh instance of the `Cell` or `Mutex` - /// or `AtomicXxxx` will be created, which defeats the whole purpose of using - /// these types in the first place. + /// Named constants are copied at every use site which means any change to their value + /// will be lost after the newly created value is dropped. e.g. /// - /// The `const` should better be replaced by a `static` item if a global - /// variable is wanted, or replaced by a `const fn` if a constructor is wanted. + /// ```rust + /// use core::sync::atomic::{AtomicUsize, Ordering}; + /// const ATOMIC: AtomicUsize = AtomicUsize::new(0); + /// fn add_one() -> usize { + /// // This will always return `0` since `ATOMIC` is copied before it's used. + /// ATOMIC.fetch_add(1, Ordering::AcqRel) + /// } + /// ``` /// - /// ### Known problems - /// A "non-constant" const item is a legacy way to supply an - /// initialized value to downstream `static` items (e.g., the - /// `std::sync::ONCE_INIT` constant). In this case the use of `const` is legit, - /// and this lint should be suppressed. + /// If shared modification of the value is desired, a `static` item is needed instead. + /// If that is not desired, a `const fn` constructor should be used to make it obvious + /// at the use site that a new value is created. /// - /// Even though the lint avoids triggering on a constant whose type has enums that have variants - /// with interior mutability, and its value uses non interior mutable variants (see - /// [#3962](https://github.com/rust-lang/rust-clippy/issues/3962) and - /// [#3825](https://github.com/rust-lang/rust-clippy/issues/3825) for examples); - /// it complains about associated constants without default values only based on its types; - /// which might not be preferable. - /// There're other enums plus associated constants cases that the lint cannot handle. + /// ### Known problems + /// Prior to `const fn` stabilization this was the only way to provide a value which + /// could initialize a `static` item (e.g. the `std::sync::ONCE_INIT` constant). In + /// this case the use of `const` is required and this lint should be suppressed. /// - /// Types that have underlying or potential interior mutability trigger the lint whether - /// the interior mutable field is used or not. See issue - /// [#5812](https://github.com/rust-lang/rust-clippy/issues/5812) + /// There also exists types which contain private fields with interior mutability, but + /// no way to both create a value as a constant and modify any mutable field using the + /// type's public interface (e.g. `bytes::Bytes`). As there is no reasonable way to + /// scan a crate's interface to see if this is the case, all such types will be linted. + /// If this happens use the `ignore-interior-mutability` configuration option to allow + /// the type. /// /// ### Example /// ```no_run @@ -74,20 +96,44 @@ declare_clippy_lint! { "declaring `const` with interior mutability" } -// FIXME: this is a correctness problem but there's no suitable -// warn-by-default category. declare_clippy_lint! { /// ### What it does - /// Checks if `const` items which is interior mutable (e.g., - /// contains a `Cell`, `Mutex`, `AtomicXxxx`, etc.) has been borrowed directly. + /// Checks for a borrow of a named constant with interior mutability. /// /// ### Why is this bad? - /// Consts are copied everywhere they are referenced, i.e., - /// every time you refer to the const a fresh instance of the `Cell` or `Mutex` - /// or `AtomicXxxx` will be created, which defeats the whole purpose of using - /// these types in the first place. + /// Named constants are copied at every use site which means any change to their value + /// will be lost after the newly created value is dropped. e.g. + /// + /// ```rust + /// use core::sync::atomic::{AtomicUsize, Ordering}; + /// const ATOMIC: AtomicUsize = AtomicUsize::new(0); + /// fn add_one() -> usize { + /// // This will always return `0` since `ATOMIC` is copied before it's borrowed + /// // for use by `fetch_add`. + /// ATOMIC.fetch_add(1, Ordering::AcqRel) + /// } + /// ``` /// - /// The `const` value should be stored inside a `static` item. + /// ### Known problems + /// This lint does not, and cannot in general, determine if the borrow of the constant + /// is used in a way which causes a mutation. e.g. + /// + /// ```rust + /// use core::cell::Cell; + /// const CELL: Cell<usize> = Cell::new(0); + /// fn get_cell() -> Cell<usize> { + /// // This is fine. It borrows a copy of `CELL`, but never mutates it through the + /// // borrow. + /// CELL.clone() + /// } + /// ``` + /// + /// There also exists types which contain private fields with interior mutability, but + /// no way to both create a value as a constant and modify any mutable field using the + /// type's public interface (e.g. `bytes::Bytes`). As there is no reasonable way to + /// scan a crate's interface to see if this is the case, all such types will be linted. + /// If this happens use the `ignore-interior-mutability` configuration option to allow + /// the type. /// /// ### Example /// ```no_run @@ -113,60 +159,101 @@ declare_clippy_lint! { "referencing `const` with interior mutability" } -#[derive(Copy, Clone)] -enum Source<'tcx> { - Item { item: Span, ty: Ty<'tcx> }, - Assoc { item: Span }, - Expr { expr: Span }, +#[derive(Clone, Copy)] +enum IsFreeze { + /// The type and all possible values are `Freeze` + Yes, + /// The type itself is non-`Freeze`, but not all values are. + Maybe, + /// The type and all possible values are non-`Freeze` + No, } +impl IsFreeze { + /// Merges the variants of a sum type (i.e. an enum). + fn from_variants(iter: impl Iterator<Item = Self>) -> Self { + iter.fold(Self::Yes, |x, y| match (x, y) { + (Self::Maybe, _) | (_, Self::Maybe) | (Self::No, Self::Yes) | (Self::Yes, Self::No) => Self::Maybe, + (Self::No, Self::No) => Self::No, + (Self::Yes, Self::Yes) => Self::Yes, + }) + } -impl Source<'_> { - #[must_use] - fn lint(&self) -> (&'static Lint, &'static str, Span) { - match self { - Self::Item { item, .. } | Self::Assoc { item, .. } => ( - DECLARE_INTERIOR_MUTABLE_CONST, - "a `const` item should not be interior mutable", - *item, - ), - Self::Expr { expr } => ( - BORROW_INTERIOR_MUTABLE_CONST, - "a `const` item with interior mutability should not be borrowed", - *expr, - ), - } + /// Merges the fields of a product type (e.g. a struct or tuple). + fn from_fields(mut iter: impl Iterator<Item = Self>) -> Self { + iter.try_fold(Self::Yes, |x, y| match (x, y) { + (Self::No, _) | (_, Self::No) => None, + (Self::Maybe, _) | (_, Self::Maybe) => Some(Self::Maybe), + (Self::Yes, Self::Yes) => Some(Self::Yes), + }) + .unwrap_or(Self::No) + } + + /// Checks if this is definitely `Freeze`. + fn is_freeze(self) -> bool { + matches!(self, Self::Yes) + } + + /// Checks if this is definitely not `Freeze`. + fn is_not_freeze(self) -> bool { + matches!(self, Self::No) } } -fn lint<'tcx>(cx: &LateContext<'tcx>, source: Source<'tcx>) { - let (lint, msg, span) = source.lint(); - span_lint_and_then(cx, lint, span, msg, |diag| { - if span.from_expansion() { - return; // Don't give suggestions into macros. - } - match source { - Source::Item { ty, .. } => { - let Some(sync_trait) = cx.tcx.lang_items().sync_trait() else { - return; - }; - if implements_trait(cx, ty, sync_trait, &[]) { - diag.help("consider making this a static item"); - } else { - diag.help( - "consider making this `Sync` so that it can go in a static item or using a `thread_local`", - ); - } - }, - Source::Assoc { .. } => (), - Source::Expr { .. } => { - diag.help("assign this const to a local or static variable, and use the variable here"); +/// What operation caused a borrow to occur. +#[derive(Clone, Copy)] +enum BorrowCause { + Borrow, + Deref, + Index, + AutoDeref, + AutoBorrow, + AutoDerefField, +} +impl BorrowCause { + fn note(self) -> Option<&'static str> { + match self { + Self::Borrow => None, + Self::Deref => Some("this deref expression is a call to `Deref::deref`"), + Self::Index => Some("this index expression is a call to `Index::index`"), + Self::AutoDeref => Some("there is a compiler inserted call to `Deref::deref` here"), + Self::AutoBorrow => Some("there is a compiler inserted borrow here"), + Self::AutoDerefField => { + Some("there is a compiler inserted call to `Deref::deref` when accessing this field") }, } - }); + } +} + +/// The source of a borrow. Both what caused it and where. +struct BorrowSource<'tcx> { + expr: &'tcx Expr<'tcx>, + cause: BorrowCause, +} +impl<'tcx> BorrowSource<'tcx> { + fn new(tcx: TyCtxt<'tcx>, expr: &'tcx Expr<'tcx>, cause: BorrowCause) -> Self { + // Custom deref and index impls will always have an auto-borrow inserted since we + // never work with reference types. + let (expr, cause) = if matches!(cause, BorrowCause::AutoBorrow) + && let Node::Expr(parent) = tcx.parent_hir_node(expr.hir_id) + { + match parent.kind { + ExprKind::Unary(UnOp::Deref, _) => (parent, BorrowCause::Deref), + ExprKind::Index(..) => (parent, BorrowCause::Index), + ExprKind::Field(..) => (parent, BorrowCause::AutoDerefField), + _ => (expr, cause), + } + } else { + (expr, cause) + }; + Self { expr, cause } + } } pub struct NonCopyConst<'tcx> { - interior_mut: InteriorMut<'tcx>, + ignore_tys: DefIdSet, + // Cache checked types. We can recurse through a type multiple times so this + // can be hit quite frequently. + freeze_tys: FxHashMap<Ty<'tcx>, IsFreeze>, } impl_lint_pass!(NonCopyConst<'_> => [DECLARE_INTERIOR_MUTABLE_CONST, BORROW_INTERIOR_MUTABLE_CONST]); @@ -174,332 +261,629 @@ impl_lint_pass!(NonCopyConst<'_> => [DECLARE_INTERIOR_MUTABLE_CONST, BORROW_INTE impl<'tcx> NonCopyConst<'tcx> { pub fn new(tcx: TyCtxt<'tcx>, conf: &'static Conf) -> Self { Self { - interior_mut: InteriorMut::without_pointers(tcx, &conf.ignore_interior_mutability), + ignore_tys: conf + .ignore_interior_mutability + .iter() + .flat_map(|ignored_ty| lookup_path_str(tcx, PathNS::Type, ignored_ty)) + .collect(), + freeze_tys: FxHashMap::default(), } } - fn is_value_unfrozen_raw_inner(cx: &LateContext<'tcx>, val: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> bool { - // No branch that we check (yet) should continue if val isn't a branch - let Some(branched_val) = val.try_to_branch() else { - return false; - }; - match *ty.kind() { - // the fact that we have to dig into every structs to search enums - // leads us to the point checking `UnsafeCell` directly is the only option. - ty::Adt(ty_def, ..) if ty_def.is_unsafe_cell() => true, - // As of 2022-09-08 miri doesn't track which union field is active so there's no safe way to check the - // contained value. - ty::Adt(def, ..) if def.is_union() => false, - ty::Array(ty, _) => branched_val - .iter() - .any(|field| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), - ty::Adt(def, args) if def.is_enum() => { - let Some((&variant_valtree, fields)) = branched_val.split_first() else { - return false; - }; - let variant_index = variant_valtree.unwrap_leaf(); - let variant_index = VariantIdx::from_u32(variant_index.to_u32()); - fields - .iter() - .copied() - .zip( - def.variants()[variant_index] + /// Checks if a value of the given type is `Freeze`, or may be depending on the value. + fn is_ty_freeze(&mut self, tcx: TyCtxt<'tcx>, typing_env: TypingEnv<'tcx>, ty: Ty<'tcx>) -> IsFreeze { + let ty = tcx.try_normalize_erasing_regions(typing_env, ty).unwrap_or(ty); + match self.freeze_tys.entry(ty) { + Entry::Occupied(e) => *e.get(), + Entry::Vacant(e) => { + let e = e.insert(IsFreeze::Yes); + if ty.is_freeze(tcx, typing_env) { + return IsFreeze::Yes; + } + let is_freeze = match *ty.kind() { + ty::Adt(adt, _) if adt.is_unsafe_cell() => { + *e = IsFreeze::No; + return IsFreeze::No; + }, + ty::Adt(adt, _) if self.ignore_tys.contains(&adt.did()) => return IsFreeze::Yes, + ty::Adt(adt, args) if adt.is_enum() => IsFreeze::from_variants(adt.variants().iter().map(|v| { + IsFreeze::from_fields( + v.fields + .iter() + .map(|f| self.is_ty_freeze(tcx, typing_env, f.ty(tcx, args))), + ) + })), + // Workaround for `ManuallyDrop`-like unions. + ty::Adt(adt, args) + if adt.is_union() + && adt.non_enum_variant().fields.iter().any(|f| { + tcx.layout_of(typing_env.as_query_input(f.ty(tcx, args))) + .is_ok_and(|l| l.layout.size().bytes() == 0) + }) => + { + return IsFreeze::Yes; + }, + // Rust doesn't have the concept of an active union field so we have + // to treat all fields as active. + ty::Adt(adt, args) => IsFreeze::from_fields( + adt.non_enum_variant() .fields .iter() - .map(|field| field.ty(cx.tcx, args)), - ) - .any(|(field, ty)| Self::is_value_unfrozen_raw_inner(cx, field, ty)) - }, - ty::Adt(def, args) => branched_val - .iter() - .zip(def.non_enum_variant().fields.iter().map(|field| field.ty(cx.tcx, args))) - .any(|(field, ty)| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), - ty::Tuple(tys) => branched_val - .iter() - .zip(tys) - .any(|(field, ty)| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), - ty::Alias(ty::Projection, _) => match cx.tcx.try_normalize_erasing_regions(cx.typing_env(), ty) { - Ok(normalized_ty) if ty != normalized_ty => Self::is_value_unfrozen_raw_inner(cx, val, normalized_ty), - _ => false, + .map(|f| self.is_ty_freeze(tcx, typing_env, f.ty(tcx, args))), + ), + ty::Array(ty, _) | ty::Pat(ty, _) => self.is_ty_freeze(tcx, typing_env, ty), + ty::Tuple(tys) => { + IsFreeze::from_fields(tys.iter().map(|ty| self.is_ty_freeze(tcx, typing_env, ty))) + }, + // Treat type parameters as though they were `Freeze`. + ty::Param(_) | ty::Alias(..) => return IsFreeze::Yes, + // TODO: check other types. + _ => { + *e = IsFreeze::No; + return IsFreeze::No; + }, + }; + if !is_freeze.is_freeze() { + self.freeze_tys.insert(ty, is_freeze); + } + is_freeze }, - _ => false, } } - fn is_value_unfrozen_raw( - cx: &LateContext<'tcx>, - result: Result<Result<ty::ValTree<'tcx>, Ty<'tcx>>, ErrorHandled>, + /// Checks if the given constant value is `Freeze`. Returns `Err` if the constant + /// cannot be read, but the result depends on the value. + fn is_value_freeze( + &mut self, + tcx: TyCtxt<'tcx>, + typing_env: TypingEnv<'tcx>, ty: Ty<'tcx>, - ) -> bool { - result.map_or_else( - |err| { - // Consider `TooGeneric` cases as being unfrozen. - // This causes a false positive where an assoc const whose type is unfrozen - // have a value that is a frozen variant with a generic param (an example is - // `declare_interior_mutable_const::enums::BothOfCellAndGeneric::GENERIC_VARIANT`). - // However, it prevents a number of false negatives that is, I think, important: - // 1. assoc consts in trait defs referring to consts of themselves (an example is - // `declare_interior_mutable_const::traits::ConcreteTypes::ANOTHER_ATOMIC`). - // 2. a path expr referring to assoc consts whose type is doesn't have any frozen variants in trait - // defs (i.e. without substitute for `Self`). (e.g. borrowing - // `borrow_interior_mutable_const::trait::ConcreteTypes::ATOMIC`) - // 3. similar to the false positive above; but the value is an unfrozen variant, or the type has no - // enums. (An example is - // `declare_interior_mutable_const::enums::BothOfCellAndGeneric::UNFROZEN_VARIANT` and - // `declare_interior_mutable_const::enums::BothOfCellAndGeneric::NO_ENUM`). - // One might be able to prevent these FNs correctly, and replace this with `false`; - // e.g. implementing `has_frozen_variant` described above, and not running this function - // when the type doesn't have any frozen variants would be the 'correct' way for the 2nd - // case (that actually removes another suboptimal behavior (I won't say 'false positive') where, - // similar to 2., but with a frozen variant) (e.g. borrowing - // `borrow_interior_mutable_const::enums::AssocConsts::TO_BE_FROZEN_VARIANT`). - // I chose this way because unfrozen enums as assoc consts are rare (or, hopefully, none). - matches!(err, ErrorHandled::TooGeneric(..)) + val: ConstValue<'tcx>, + ) -> Result<bool, ()> { + let ty = tcx.try_normalize_erasing_regions(typing_env, ty).unwrap_or(ty); + match self.is_ty_freeze(tcx, typing_env, ty) { + IsFreeze::Yes => Ok(true), + IsFreeze::Maybe if matches!(ty.kind(), ty::Adt(..) | ty::Array(..) | ty::Tuple(..)) => { + for &(val, ty) in tcx + .try_destructure_mir_constant_for_user_output(val, ty) + .ok_or(())? + .fields + { + if !self.is_value_freeze(tcx, typing_env, ty, val)? { + return Ok(false); + } + } + Ok(true) }, - |val| val.map_or(true, |val| Self::is_value_unfrozen_raw_inner(cx, val, ty)), - ) - } - - fn is_value_unfrozen_poly(cx: &LateContext<'tcx>, body_id: BodyId, ty: Ty<'tcx>) -> bool { - let def_id = body_id.hir_id.owner.to_def_id(); - let args = ty::GenericArgs::identity_for_item(cx.tcx, def_id); - let instance = ty::Instance::new_raw(def_id, args); - let cid = GlobalId { - instance, - promoted: None, - }; - let typing_env = ty::TypingEnv::post_analysis(cx.tcx, def_id); - let result = cx.tcx.const_eval_global_id_for_typeck(typing_env, cid, DUMMY_SP); - Self::is_value_unfrozen_raw(cx, result, ty) - } - - fn is_value_unfrozen_expr(cx: &LateContext<'tcx>, hir_id: HirId, def_id: DefId, ty: Ty<'tcx>) -> bool { - let args = cx.typeck_results().node_args(hir_id); - - let result = Self::const_eval_resolve( - cx.tcx, - cx.typing_env(), - ty::UnevaluatedConst::new(def_id, args), - DUMMY_SP, - ); - Self::is_value_unfrozen_raw(cx, result, ty) + IsFreeze::Maybe | IsFreeze::No => Ok(false), + } } - pub fn const_eval_resolve( + /// Checks if the given expression creates a value which is `Freeze`. + /// + /// This will return `true` if the type is maybe `Freeze`, but it cannot be + /// determined for certain from the value. + /// + /// `typing_env` and `gen_args` are from the constant's use site. + /// `typeck` and `e` are from the constant's definition site. + fn is_init_expr_freeze( + &mut self, tcx: TyCtxt<'tcx>, - typing_env: ty::TypingEnv<'tcx>, - ct: ty::UnevaluatedConst<'tcx>, - span: Span, - ) -> EvalToValTreeResult<'tcx> { - match ty::Instance::try_resolve(tcx, typing_env, ct.def, ct.args) { - Ok(Some(instance)) => { - let cid = GlobalId { - instance, - promoted: None, - }; - tcx.const_eval_global_id_for_typeck(typing_env, cid, span) + typing_env: TypingEnv<'tcx>, + typeck: &'tcx TypeckResults<'tcx>, + gen_args: GenericArgsRef<'tcx>, + e: &'tcx Expr<'tcx>, + ) -> bool { + // Make sure to instantiate all types coming from `typeck` with `gen_args`. + let ty = EarlyBinder::bind(typeck.expr_ty(e)).instantiate(tcx, gen_args); + let ty = tcx.try_normalize_erasing_regions(typing_env, ty).unwrap_or(ty); + match self.is_ty_freeze(tcx, typing_env, ty) { + IsFreeze::Yes => true, + IsFreeze::No => false, + IsFreeze::Maybe => match e.kind { + ExprKind::Block(b, _) + if !b.targeted_by_break + && b.stmts.is_empty() + && let Some(e) = b.expr => + { + self.is_init_expr_freeze(tcx, typing_env, typeck, gen_args, e) + }, + ExprKind::Path(ref p) => { + let res = typeck.qpath_res(p, e.hir_id); + let gen_args = EarlyBinder::bind(typeck.node_args(e.hir_id)).instantiate(tcx, gen_args); + match res { + Res::Def(DefKind::Const | DefKind::AssocConst, did) + if let Ok(val) = + tcx.const_eval_resolve(typing_env, UnevaluatedConst::new(did, gen_args), DUMMY_SP) + && let Ok(is_freeze) = self.is_value_freeze(tcx, typing_env, ty, val) => + { + is_freeze + }, + Res::Def(DefKind::Const | DefKind::AssocConst, did) + if let Some((typeck, init)) = get_const_hir_value(tcx, typing_env, did, gen_args) => + { + self.is_init_expr_freeze(tcx, typing_env, typeck, gen_args, init) + }, + // Either this is a unit constructor, or some unknown value. + // In either case we consider the value to be `Freeze`. + _ => true, + } + }, + ExprKind::Call(callee, args) + if let ExprKind::Path(p) = &callee.kind + && let res = typeck.qpath_res(p, callee.hir_id) + && matches!(res, Res::Def(DefKind::Ctor(..), _) | Res::SelfCtor(_)) => + { + args.iter() + .all(|e| self.is_init_expr_freeze(tcx, typing_env, typeck, gen_args, e)) + }, + ExprKind::Struct(_, fields, StructTailExpr::None) => fields + .iter() + .all(|f| self.is_init_expr_freeze(tcx, typing_env, typeck, gen_args, f.expr)), + ExprKind::Tup(exprs) | ExprKind::Array(exprs) => exprs + .iter() + .all(|e| self.is_init_expr_freeze(tcx, typing_env, typeck, gen_args, e)), + ExprKind::Repeat(e, _) => self.is_init_expr_freeze(tcx, typing_env, typeck, gen_args, e), + _ => true, }, - Ok(None) => Err(ErrorHandled::TooGeneric(span)), - Err(err) => Err(ErrorHandled::Reported( - ReportedErrorInfo::non_const_eval_error(err), - span, - )), } } -} -impl<'tcx> LateLintPass<'tcx> for NonCopyConst<'tcx> { - fn check_item(&mut self, cx: &LateContext<'tcx>, it: &'tcx Item<'_>) { - if let ItemKind::Const(.., body_id) = it.kind { - let ty = cx.tcx.type_of(it.owner_id).instantiate_identity(); - if !ignored_macro(cx, it) - && self.interior_mut.is_interior_mut_ty(cx, ty) - && Self::is_value_unfrozen_poly(cx, body_id, ty) - { - lint(cx, Source::Item { item: it.span, ty }); + /// Checks if the given expression (or a local projection of it) is both borrowed and + /// definitely a non-`Freeze` type. + fn is_non_freeze_expr_borrowed( + &mut self, + tcx: TyCtxt<'tcx>, + typing_env: TypingEnv<'tcx>, + typeck: &'tcx TypeckResults<'tcx>, + mut src_expr: &'tcx Expr<'tcx>, + ) -> Option<BorrowSource<'tcx>> { + let mut parents = tcx.hir_parent_iter(src_expr.hir_id); + loop { + let ty = typeck.expr_ty(src_expr); + // Normalized as we need to check if this is an array later. + let ty = tcx.try_normalize_erasing_regions(typing_env, ty).unwrap_or(ty); + let is_freeze = self.is_ty_freeze(tcx, typing_env, ty); + if is_freeze.is_freeze() { + return None; } - } - } - - fn check_trait_item(&mut self, cx: &LateContext<'tcx>, trait_item: &'tcx TraitItem<'_>) { - if let TraitItemKind::Const(_, body_id_opt) = &trait_item.kind { - let ty = cx.tcx.type_of(trait_item.owner_id).instantiate_identity(); - - // Normalize assoc types because ones originated from generic params - // bounded other traits could have their bound. - let normalized = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty); - if self.interior_mut.is_interior_mut_ty(cx, normalized) - // When there's no default value, lint it only according to its type; - // in other words, lint consts whose value *could* be unfrozen, not definitely is. - // This feels inconsistent with how the lint treats generic types, - // which avoids linting types which potentially become unfrozen. - // One could check whether an unfrozen type have a *frozen variant* - // (like `body_id_opt.map_or_else(|| !has_frozen_variant(...), ...)`), - // and do the same as the case of generic types at impl items. - // Note that it isn't sufficient to check if it has an enum - // since all of that enum's variants can be unfrozen: - // i.e. having an enum doesn't necessary mean a type has a frozen variant. - // And, implementing it isn't a trivial task; it'll probably end up - // re-implementing the trait predicate evaluation specific to `Freeze`. - && body_id_opt.is_none_or(|body_id| Self::is_value_unfrozen_poly(cx, body_id, normalized)) - { - lint(cx, Source::Assoc { item: trait_item.span }); + if let [adjust, ..] = typeck.expr_adjustments(src_expr) { + return does_adjust_borrow(adjust) + .filter(|_| is_freeze.is_not_freeze()) + .map(|cause| BorrowSource::new(tcx, src_expr, cause)); + } + let Some((_, Node::Expr(use_expr))) = parents.next() else { + return None; + }; + match use_expr.kind { + ExprKind::Field(..) => {}, + ExprKind::Index(..) if ty.is_array() => {}, + ExprKind::AddrOf(..) if is_freeze.is_not_freeze() => { + return Some(BorrowSource::new(tcx, use_expr, BorrowCause::Borrow)); + }, + // All other expressions use the value. + _ => return None, } + src_expr = use_expr; } } - fn check_impl_item(&mut self, cx: &LateContext<'tcx>, impl_item: &'tcx ImplItem<'_>) { - if let ImplItemKind::Const(_, body_id) = &impl_item.kind { - let item_def_id = cx.tcx.hir_get_parent_item(impl_item.hir_id()).def_id; - let item = cx.tcx.hir_expect_item(item_def_id); - - match &item.kind { - ItemKind::Impl(Impl { - of_trait: Some(of_trait_ref), - .. - }) => { - if let Some(of_trait_def_id) = of_trait_ref.trait_def_id() - // Lint a trait impl item only when the definition is a generic type, - // assuming an assoc const is not meant to be an interior mutable type. - && let Some(of_assoc_item) = cx - .tcx - .associated_item(impl_item.owner_id) - .trait_item_def_id - && cx - .tcx - .layout_of(ty::TypingEnv::post_analysis(cx.tcx, of_trait_def_id).as_query_input( - // Normalize assoc types because ones originated from generic params - // bounded other traits could have their bound at the trait defs; - // and, in that case, the definition is *not* generic. - cx.tcx.normalize_erasing_regions( - ty::TypingEnv::post_analysis(cx.tcx, of_trait_def_id), - cx.tcx.type_of(of_assoc_item).instantiate_identity(), - ), - )) - .is_err() - // If there were a function like `has_frozen_variant` described above, - // we should use here as a frozen variant is a potential to be frozen - // similar to unknown layouts. - // e.g. `layout_of(...).is_err() || has_frozen_variant(...);` - && let ty = cx.tcx.type_of(impl_item.owner_id).instantiate_identity() - && let normalized = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty) - && self.interior_mut.is_interior_mut_ty(cx, normalized) - && Self::is_value_unfrozen_poly(cx, *body_id, normalized) - { - lint(cx, Source::Assoc { item: impl_item.span }); + /// Checks if the given value (or a local projection of it) is both borrowed and + /// definitely non-`Freeze`. Returns `Err` if the constant cannot be read, but the + /// result depends on the value. + fn is_non_freeze_val_borrowed( + &mut self, + tcx: TyCtxt<'tcx>, + typing_env: TypingEnv<'tcx>, + typeck: &'tcx TypeckResults<'tcx>, + mut src_expr: &'tcx Expr<'tcx>, + mut val: ConstValue<'tcx>, + ) -> Result<Option<BorrowSource<'tcx>>, ()> { + let mut parents = tcx.hir_parent_iter(src_expr.hir_id); + let mut ty = typeck.expr_ty(src_expr); + loop { + // Normalized as we need to check if this is an array later. + ty = tcx.try_normalize_erasing_regions(typing_env, ty).unwrap_or(ty); + if let [adjust, ..] = typeck.expr_adjustments(src_expr) { + let res = if let Some(cause) = does_adjust_borrow(adjust) + && !self.is_value_freeze(tcx, typing_env, ty, val)? + { + Some(BorrowSource::new(tcx, src_expr, cause)) + } else { + None + }; + return Ok(res); + } + // Check only the type here as the result gets cached for each type. + if self.is_ty_freeze(tcx, typing_env, ty).is_freeze() { + return Ok(None); + } + let Some((_, Node::Expr(use_expr))) = parents.next() else { + return Ok(None); + }; + let next_val = match use_expr.kind { + ExprKind::Field(_, name) => { + if let Some(idx) = get_field_idx_by_name(ty, name.name) { + tcx.try_destructure_mir_constant_for_user_output(val, ty) + .ok_or(())? + .fields + .get(idx) + } else { + return Ok(None); } }, - ItemKind::Impl(Impl { of_trait: None, .. }) => { - let ty = cx.tcx.type_of(impl_item.owner_id).instantiate_identity(); - // Normalize assoc types originated from generic params. - let normalized = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty); - - if self.interior_mut.is_interior_mut_ty(cx, normalized) - && Self::is_value_unfrozen_poly(cx, *body_id, normalized) - { - lint(cx, Source::Assoc { item: impl_item.span }); + ExprKind::Index(_, idx, _) if ty.is_array() => { + let val = tcx.try_destructure_mir_constant_for_user_output(val, ty).ok_or(())?; + if let Some(Constant::Int(idx)) = ConstEvalCtxt::with_env(tcx, typing_env, typeck).eval(idx) { + val.fields.get(idx as usize) + } else { + // It's some value in the array so check all of them. + for &(val, _) in val.fields { + if let Some(src) = + self.is_non_freeze_val_borrowed(tcx, typing_env, typeck, use_expr, val)? + { + return Ok(Some(src)); + } + } + return Ok(None); } }, - _ => (), + ExprKind::AddrOf(..) if !self.is_value_freeze(tcx, typing_env, ty, val)? => { + return Ok(Some(BorrowSource::new(tcx, use_expr, BorrowCause::Borrow))); + }, + // All other expressions use the value. + _ => return Ok(None), + }; + src_expr = use_expr; + if let Some(&(next_val, next_ty)) = next_val { + ty = next_ty; + val = next_val; + } else { + return Ok(None); } } } - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if let ExprKind::Path(qpath) = &expr.kind { - // Only lint if we use the const item inside a function. - if is_in_const_context(cx) { - return; + /// Checks if the given value (or a local projection of it) is both borrowed and + /// definitely non-`Freeze`. + /// + /// `typing_env` and `init_args` are from the constant's use site. + /// `init_typeck` and `init_expr` are from the constant's definition site. + #[expect(clippy::too_many_arguments, clippy::too_many_lines)] + fn is_non_freeze_init_borrowed( + &mut self, + tcx: TyCtxt<'tcx>, + typing_env: TypingEnv<'tcx>, + typeck: &'tcx TypeckResults<'tcx>, + mut src_expr: &'tcx Expr<'tcx>, + mut init_typeck: &'tcx TypeckResults<'tcx>, + mut init_args: GenericArgsRef<'tcx>, + mut init_expr: &'tcx Expr<'tcx>, + ) -> Option<BorrowSource<'tcx>> { + // Make sure to instantiate all types coming from `init_typeck` with `init_args`. + let mut parents = tcx.hir_parent_iter(src_expr.hir_id); + loop { + // First handle any adjustments since they are cheap to check. + if let [adjust, ..] = typeck.expr_adjustments(src_expr) { + return does_adjust_borrow(adjust) + .filter(|_| !self.is_init_expr_freeze(tcx, typing_env, init_typeck, init_args, init_expr)) + .map(|cause| BorrowSource::new(tcx, src_expr, cause)); } - // Make sure it is a const item. - let Res::Def(DefKind::Const | DefKind::AssocConst, item_def_id) = cx.qpath_res(qpath, expr.hir_id) else { - return; - }; - - // Climb up to resolve any field access and explicit referencing. - let mut cur_expr = expr; - let mut dereferenced_expr = expr; - let mut needs_check_adjustment = true; + // Then read through constants and blocks on the init expression before + // applying the next use expression. loop { - let parent_id = cx.tcx.parent_hir_id(cur_expr.hir_id); - if parent_id == cur_expr.hir_id { - break; + match init_expr.kind { + ExprKind::Block(b, _) + if !b.targeted_by_break + && b.stmts.is_empty() + && let Some(next_init) = b.expr => + { + init_expr = next_init; + }, + ExprKind::Path(ref init_path) => { + let next_init_args = + EarlyBinder::bind(init_typeck.node_args(init_expr.hir_id)).instantiate(tcx, init_args); + match init_typeck.qpath_res(init_path, init_expr.hir_id) { + Res::Def(DefKind::Ctor(..), _) => return None, + Res::Def(DefKind::Const | DefKind::AssocConst, did) + if let Ok(val) = tcx.const_eval_resolve( + typing_env, + UnevaluatedConst::new(did, next_init_args), + DUMMY_SP, + ) && let Ok(res) = + self.is_non_freeze_val_borrowed(tcx, typing_env, init_typeck, src_expr, val) => + { + return res; + }, + Res::Def(DefKind::Const | DefKind::AssocConst, did) + if let Some((next_typeck, value)) = + get_const_hir_value(tcx, typing_env, did, next_init_args) => + { + init_typeck = next_typeck; + init_args = next_init_args; + init_expr = value; + }, + // There's no more that we can read from the init expression. Switch to a + // type based check. + _ => { + return self.is_non_freeze_expr_borrowed(tcx, typing_env, typeck, src_expr); + }, + } + }, + _ => break, } - if let Node::Expr(parent_expr) = cx.tcx.hir_node(parent_id) { - match &parent_expr.kind { - ExprKind::AddrOf(..) => { - // `&e` => `e` must be referenced. - needs_check_adjustment = false; - }, - ExprKind::Field(..) => { - needs_check_adjustment = true; + } - // Check whether implicit dereferences happened; - // if so, no need to go further up - // because of the same reason as the `ExprKind::Unary` case. - if cx - .typeck_results() - .expr_adjustments(dereferenced_expr) - .iter() - .any(|adj| matches!(adj.kind, Adjust::Deref(_))) - { - break; - } + // Then a type check. Note we only check the type here as the result + // gets cached. + let ty = EarlyBinder::bind(typeck.expr_ty(src_expr)).instantiate(tcx, init_args); + // Normalized as we need to check if this is an array later. + let ty = tcx.try_normalize_erasing_regions(typing_env, ty).unwrap_or(ty); + if self.is_ty_freeze(tcx, typing_env, ty).is_freeze() { + return None; + } - dereferenced_expr = parent_expr; - }, - ExprKind::Index(e, _, _) if ptr::eq(&raw const **e, cur_expr) => { - // `e[i]` => desugared to `*Index::index(&e, i)`, - // meaning `e` must be referenced. - // no need to go further up since a method call is involved now. - needs_check_adjustment = false; - break; - }, - ExprKind::Unary(UnOp::Deref, _) => { - // `*e` => desugared to `*Deref::deref(&e)`, - // meaning `e` must be referenced. - // no need to go further up since a method call is involved now. - needs_check_adjustment = false; - break; + // Finally reduce the init expression using the next use expression. + let Some((_, Node::Expr(use_expr))) = parents.next() else { + return None; + }; + init_expr = match &use_expr.kind { + ExprKind::Field(_, name) => match init_expr.kind { + ExprKind::Struct(_, fields, _) + if let Some(field) = fields.iter().find(|f| f.ident.name == name.name) => + { + field.expr + }, + ExprKind::Tup(fields) + if let Ok(idx) = name.as_str().parse::<usize>() + && let Some(field) = fields.get(idx) => + { + field + }, + ExprKind::Call(callee, args) + if let ExprKind::Path(callee_path) = &callee.kind + && matches!( + init_typeck.qpath_res(callee_path, callee.hir_id), + Res::Def(DefKind::Ctor(..), _) | Res::SelfCtor(_) + ) + && let Ok(idx) = name.as_str().parse::<usize>() + && let Some(arg) = args.get(idx) => + { + arg + }, + // Revert to a type based check as we don't know the field's value. + _ => return self.is_non_freeze_expr_borrowed(tcx, typing_env, typeck, use_expr), + }, + ExprKind::Index(_, idx, _) if ty.is_array() => match init_expr.kind { + ExprKind::Array(fields) => { + if let Some(Constant::Int(idx)) = ConstEvalCtxt::with_env(tcx, typing_env, typeck).eval(idx) { + // If the index is out of bounds it means the code + // unconditionally panics. In that case there is no borrow. + fields.get(idx as usize)? + } else { + // Unknown index, just run the check for all values. + return fields.iter().find_map(|f| { + self.is_non_freeze_init_borrowed( + tcx, + typing_env, + typeck, + use_expr, + init_typeck, + init_args, + f, + ) + }); + } + }, + // Just assume the index expression doesn't panic here. + ExprKind::Repeat(field, _) => field, + _ => return self.is_non_freeze_expr_borrowed(tcx, typing_env, typeck, use_expr), + }, + ExprKind::AddrOf(..) + if !self.is_init_expr_freeze(tcx, typing_env, init_typeck, init_args, init_expr) => + { + return Some(BorrowSource::new(tcx, use_expr, BorrowCause::Borrow)); + }, + // All other expressions use the value. + _ => return None, + }; + src_expr = use_expr; + } + } +} + +impl<'tcx> LateLintPass<'tcx> for NonCopyConst<'tcx> { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { + if let ItemKind::Const(ident, .., body_id) = item.kind + && !ident.is_special() + && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() + && match self.is_ty_freeze(cx.tcx, cx.typing_env(), ty) { + IsFreeze::No => true, + IsFreeze::Yes => false, + IsFreeze::Maybe => match cx.tcx.const_eval_poly(item.owner_id.to_def_id()) { + Ok(val) if let Ok(is_freeze) = self.is_value_freeze(cx.tcx, cx.typing_env(), ty, val) => !is_freeze, + _ => !self.is_init_expr_freeze( + cx.tcx, + cx.typing_env(), + cx.tcx.typeck(item.owner_id), + GenericArgs::identity_for_item(cx.tcx, item.owner_id), + cx.tcx.hir_body(body_id).value, + ), + }, + } + && !item.span.in_external_macro(cx.sess().source_map()) + // Only needed when compiling `std` + && !is_thread_local(cx, item) + { + span_lint_and_then( + cx, + DECLARE_INTERIOR_MUTABLE_CONST, + ident.span, + "named constant with interior mutability", + |diag| { + let Some(sync_trait) = cx.tcx.lang_items().sync_trait() else { + return; + }; + if implements_trait(cx, ty, sync_trait, &[]) { + diag.help("did you mean to make this a `static` item"); + } else { + diag.help("did you mean to make this a `thread_local!` item"); + } + }, + ); + } + } + + fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'_>) { + if let TraitItemKind::Const(_, body_id_opt) = item.kind + && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() + && match self.is_ty_freeze(cx.tcx, cx.typing_env(), ty) { + IsFreeze::No => true, + IsFreeze::Maybe if let Some(body_id) = body_id_opt => { + match cx.tcx.const_eval_poly(item.owner_id.to_def_id()) { + Ok(val) if let Ok(is_freeze) = self.is_value_freeze(cx.tcx, cx.typing_env(), ty, val) => { + !is_freeze }, - _ => break, + _ => !self.is_init_expr_freeze( + cx.tcx, + cx.typing_env(), + cx.tcx.typeck(item.owner_id), + GenericArgs::identity_for_item(cx.tcx, item.owner_id), + cx.tcx.hir_body(body_id).value, + ), } - cur_expr = parent_expr; - } else { - break; - } + }, + IsFreeze::Yes | IsFreeze::Maybe => false, } + && !item.span.in_external_macro(cx.sess().source_map()) + { + span_lint( + cx, + DECLARE_INTERIOR_MUTABLE_CONST, + item.ident.span, + "named constant with interior mutability", + ); + } + } - let ty = if needs_check_adjustment { - let adjustments = cx.typeck_results().expr_adjustments(dereferenced_expr); - if let Some(i) = adjustments - .iter() - .position(|adj| matches!(adj.kind, Adjust::Borrow(_) | Adjust::Deref(_))) - { - if i == 0 { - cx.typeck_results().expr_ty(dereferenced_expr) + fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) { + if let ImplItemKind::Const(_, body_id) = item.kind + && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() + && match self.is_ty_freeze(cx.tcx, cx.typing_env(), ty) { + IsFreeze::Yes => false, + IsFreeze::No => { + // If this is a trait impl, check if the trait definition is the source + // of the cell. + if let Node::Item(parent_item) = cx.tcx.parent_hir_node(item.hir_id()) + && let ItemKind::Impl(impl_block) = parent_item.kind + && let Some(of_trait) = impl_block.of_trait + && let Some(trait_id) = of_trait.trait_def_id() + { + // Replace all instances of `<Self as Trait>::AssocType` with the + // unit type and check again. If the result is the same then the + // trait definition is the cause. + let ty = (ReplaceAssocFolder { + tcx: cx.tcx, + trait_id, + self_ty: cx.tcx.type_of(parent_item.owner_id).instantiate_identity(), + }) + .fold_ty(cx.tcx.type_of(item.owner_id).instantiate_identity()); + // `ty` may not be normalizable, but that should be fine. + !self.is_ty_freeze(cx.tcx, cx.typing_env(), ty).is_not_freeze() } else { - adjustments[i - 1].target + true } + }, + // Even if this is from a trait, there are values which don't have + // interior mutability. + IsFreeze::Maybe => match cx.tcx.const_eval_poly(item.owner_id.to_def_id()) { + Ok(val) if let Ok(is_freeze) = self.is_value_freeze(cx.tcx, cx.typing_env(), ty, val) => !is_freeze, + _ => !self.is_init_expr_freeze( + cx.tcx, + cx.typing_env(), + cx.tcx.typeck(item.owner_id), + GenericArgs::identity_for_item(cx.tcx, item.owner_id), + cx.tcx.hir_body(body_id).value, + ), + }, + } + && !item.span.in_external_macro(cx.sess().source_map()) + { + span_lint( + cx, + DECLARE_INTERIOR_MUTABLE_CONST, + item.ident.span, + "named constant with interior mutability", + ); + } + } + + fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { + if let ExprKind::Path(qpath) = &e.kind + && let typeck = cx.typeck_results() + && let Res::Def(DefKind::Const | DefKind::AssocConst, did) = typeck.qpath_res(qpath, e.hir_id) + // As of `1.80` constant contexts can't borrow any type with interior mutability + && !is_in_const_context(cx) + && !self.is_ty_freeze(cx.tcx, cx.typing_env(), typeck.expr_ty(e)).is_freeze() + && let Some(borrow_src) = { + // The extra block helps formatting a lot. + if let Ok(val) = cx.tcx.const_eval_resolve( + cx.typing_env(), + UnevaluatedConst::new(did, typeck.node_args(e.hir_id)), + DUMMY_SP, + ) && let Ok(src) = self.is_non_freeze_val_borrowed(cx.tcx, cx.typing_env(), typeck, e, val) + { + src + } else if let init_args = typeck.node_args(e.hir_id) + && let Some((init_typeck, init)) = get_const_hir_value(cx.tcx, cx.typing_env(), did, init_args) + { + self.is_non_freeze_init_borrowed(cx.tcx, cx.typing_env(), typeck, e, init_typeck, init_args, init) } else { - // No borrow adjustments means the entire const is moved. - return; + self.is_non_freeze_expr_borrowed(cx.tcx, cx.typing_env(), typeck, e) } - } else { - cx.typeck_results().expr_ty(dereferenced_expr) - }; - - if self.interior_mut.is_interior_mut_ty(cx, ty) - && Self::is_value_unfrozen_expr(cx, expr.hir_id, item_def_id, ty) - { - lint(cx, Source::Expr { expr: expr.span }); } + && !borrow_src.expr.span.in_external_macro(cx.sess().source_map()) + { + span_lint_and_then( + cx, + BORROW_INTERIOR_MUTABLE_CONST, + borrow_src.expr.span, + "borrow of a named constant with interior mutability", + |diag| { + if let Some(note) = borrow_src.cause.note() { + diag.note(note); + } + diag.help("this lint can be silenced by assigning the value to a local variable before borrowing"); + }, + ); + } + } +} + +struct ReplaceAssocFolder<'tcx> { + tcx: TyCtxt<'tcx>, + trait_id: DefId, + self_ty: Ty<'tcx>, +} +impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ReplaceAssocFolder<'tcx> { + fn cx(&self) -> TyCtxt<'tcx> { + self.tcx + } + + fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { + if let ty::Alias(AliasTyKind::Projection, ty) = ty.kind() + && ty.trait_def_id(self.tcx) == self.trait_id + && ty.self_ty() == self.self_ty + { + self.tcx.types.unit + } else { + ty.super_fold_with(self) } } } -fn ignored_macro(cx: &LateContext<'_>, it: &Item<'_>) -> bool { +fn is_thread_local(cx: &LateContext<'_>, it: &Item<'_>) -> bool { macro_backtrace(it.span).any(|macro_call| { matches!( cx.tcx.get_diagnostic_name(macro_call.def_id), @@ -507,3 +891,42 @@ fn ignored_macro(cx: &LateContext<'_>, it: &Item<'_>) -> bool { ) }) } + +/// Checks if the adjustment causes a borrow of the original value. Returns +/// `None` if the value is consumed instead of borrowed. +fn does_adjust_borrow(adjust: &Adjustment<'_>) -> Option<BorrowCause> { + match adjust.kind { + Adjust::Borrow(_) => Some(BorrowCause::AutoBorrow), + // Custom deref calls `<T as Deref>::deref(&x)` resulting in a borrow. + Adjust::Deref(Some(_)) => Some(BorrowCause::AutoDeref), + // All other adjustments read the value. + _ => None, + } +} + +/// Attempts to get the value of a constant as a HIR expression. Also gets the +/// `TypeckResults` associated with the constant's body. +fn get_const_hir_value<'tcx>( + tcx: TyCtxt<'tcx>, + typing_env: TypingEnv<'tcx>, + did: DefId, + args: GenericArgsRef<'tcx>, +) -> Option<(&'tcx TypeckResults<'tcx>, &'tcx Expr<'tcx>)> { + let did = did.as_local()?; + let (did, body_id) = match tcx.hir_node(tcx.local_def_id_to_hir_id(did)) { + Node::Item(item) if let ItemKind::Const(.., body_id) = item.kind => (did, body_id), + Node::ImplItem(item) if let ImplItemKind::Const(.., body_id) = item.kind => (did, body_id), + Node::TraitItem(_) + if let Ok(Some(inst)) = Instance::try_resolve(tcx, typing_env, did.into(), args) + && let Some(did) = inst.def_id().as_local() => + { + match tcx.hir_node(tcx.local_def_id_to_hir_id(did)) { + Node::ImplItem(item) if let ImplItemKind::Const(.., body_id) = item.kind => (did, body_id), + Node::TraitItem(item) if let TraitItemKind::Const(.., Some(body_id)) = item.kind => (did, body_id), + _ => return None, + } + }, + _ => return None, + }; + Some((tcx.typeck(did), tcx.hir_body(body_id).value)) +} diff --git a/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs b/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs index 9542fed3875..8ff78ec7c58 100644 --- a/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs +++ b/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs @@ -172,7 +172,7 @@ impl NonSendField<'_> { /// Example: `MyStruct<P, Box<Q, R>>` => `vec![P, Q, R]` fn collect_generic_params(ty: Ty<'_>) -> Vec<Ty<'_>> { ty.walk() - .filter_map(|inner| match inner.unpack() { + .filter_map(|inner| match inner.kind() { GenericArgKind::Type(inner_ty) => Some(inner_ty), _ => None, }) @@ -208,7 +208,7 @@ fn ty_allowed_with_raw_pointer_heuristic<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'t ty::Adt(_, args) => { if contains_pointer_like(cx, ty) { // descends only if ADT contains any raw pointers - args.iter().all(|generic_arg| match generic_arg.unpack() { + args.iter().all(|generic_arg| match generic_arg.kind() { GenericArgKind::Type(ty) => ty_allowed_with_raw_pointer_heuristic(cx, ty, send_trait), // Lifetimes and const generics are not solid part of ADT and ignored GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => true, @@ -226,7 +226,7 @@ fn ty_allowed_with_raw_pointer_heuristic<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'t /// Checks if the type contains any pointer-like types in args (including nested ones) fn contains_pointer_like<'tcx>(cx: &LateContext<'tcx>, target_ty: Ty<'tcx>) -> bool { for ty_node in target_ty.walk() { - if let GenericArgKind::Type(inner_ty) = ty_node.unpack() { + if let GenericArgKind::Type(inner_ty) = ty_node.kind() { match inner_ty.kind() { ty::RawPtr(_, _) => { return true; diff --git a/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs b/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs index f66b9519317..abee3c44c5a 100644 --- a/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs +++ b/src/tools/clippy/clippy_lints/src/non_std_lazy_statics.rs @@ -187,7 +187,7 @@ struct LazyInfo { impl LazyInfo { fn from_item(cx: &LateContext<'_>, item: &Item<'_>) -> Option<Self> { // Check if item is a `once_cell:sync::Lazy` static. - if let ItemKind::Static(_, ty, _, body_id) = item.kind + if let ItemKind::Static(_, _, ty, body_id) = item.kind && let Some(path_def_id) = path_def_id(cx, ty) && let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = ty.kind && paths::ONCE_CELL_SYNC_LAZY.matches(cx, path_def_id) diff --git a/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs b/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs index 6de203e068b..ba8f6354d97 100644 --- a/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs +++ b/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs @@ -385,7 +385,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { fn has_matching_args(kind: FnKind, args: GenericArgsRef<'_>) -> bool { match kind { FnKind::Fn => true, - FnKind::TraitFn => args.iter().enumerate().all(|(idx, subst)| match subst.unpack() { + FnKind::TraitFn => args.iter().enumerate().all(|(idx, subst)| match subst.kind() { GenericArgKind::Lifetime(_) => true, GenericArgKind::Type(ty) => matches!(*ty.kind(), ty::Param(ty) if ty.index as usize == idx), GenericArgKind::Const(c) => matches!(c.kind(), ConstKind::Param(c) if c.index as usize == idx), diff --git a/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs b/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs index 03b907ebdf4..9c6141d8222 100644 --- a/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs +++ b/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs @@ -1,8 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::msrvs::Msrv; +use clippy_utils::qualify_min_const_fn::is_stable_const_fn; use clippy_utils::source::SpanRangeExt; use clippy_utils::ty::implements_trait; use clippy_utils::visitors::for_each_expr_without_closures; -use clippy_utils::{binop_traits, eq_expr_value, trait_ref_of_method}; +use clippy_utils::{binop_traits, eq_expr_value, is_in_const_context, trait_ref_of_method}; use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir as hir; @@ -19,6 +21,7 @@ pub(super) fn check<'tcx>( expr: &'tcx hir::Expr<'_>, assignee: &'tcx hir::Expr<'_>, e: &'tcx hir::Expr<'_>, + msrv: Msrv, ) { if let hir::ExprKind::Binary(op, l, r) = &e.kind { let lint = |assignee: &hir::Expr<'_>, rhs: &hir::Expr<'_>| { @@ -26,7 +29,7 @@ pub(super) fn check<'tcx>( let rty = cx.typeck_results().expr_ty(rhs); if let Some((_, lang_item)) = binop_traits(op.node) && let Some(trait_id) = cx.tcx.lang_items().get(lang_item) - && let parent_fn = cx.tcx.hir_get_parent_item(e.hir_id).def_id + && let parent_fn = cx.tcx.hir_get_parent_item(e.hir_id) && trait_ref_of_method(cx, parent_fn).is_none_or(|t| t.path.res.def_id() != trait_id) && implements_trait(cx, ty, trait_id, &[rty.into()]) { @@ -40,6 +43,15 @@ pub(super) fn check<'tcx>( return; } } + + // Skip if the trait is not stable in const contexts + if is_in_const_context(cx) + && let Some(binop_id) = cx.tcx.associated_item_def_ids(trait_id).first() + && !is_stable_const_fn(cx, *binop_id, msrv) + { + return; + } + span_lint_and_then( cx, ASSIGN_OP_PATTERN, diff --git a/src/tools/clippy/clippy_lints/src/operators/duration_subsec.rs b/src/tools/clippy/clippy_lints/src/operators/duration_subsec.rs index e3029f8438e..6c9be7c5e90 100644 --- a/src/tools/clippy/clippy_lints/src/operators/duration_subsec.rs +++ b/src/tools/clippy/clippy_lints/src/operators/duration_subsec.rs @@ -1,11 +1,11 @@ use clippy_utils::consts::{ConstEvalCtxt, Constant}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; +use clippy_utils::sym; use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::LateContext; -use rustc_span::sym; use super::DURATION_SUBSEC; @@ -21,9 +21,9 @@ pub(crate) fn check<'tcx>( && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(self_arg).peel_refs(), sym::Duration) && let Some(Constant::Int(divisor)) = ConstEvalCtxt::new(cx).eval(right) { - let suggested_fn = match (method_path.ident.as_str(), divisor) { - ("subsec_micros", 1_000) | ("subsec_nanos", 1_000_000) => "subsec_millis", - ("subsec_nanos", 1_000) => "subsec_micros", + let suggested_fn = match (method_path.ident.name, divisor) { + (sym::subsec_micros, 1_000) | (sym::subsec_nanos, 1_000_000) => "subsec_millis", + (sym::subsec_nanos, 1_000) => "subsec_micros", _ => return, }; let mut applicability = Applicability::MachineApplicable; diff --git a/src/tools/clippy/clippy_lints/src/operators/mod.rs b/src/tools/clippy/clippy_lints/src/operators/mod.rs index d32c062cf56..2f4e8e99588 100644 --- a/src/tools/clippy/clippy_lints/src/operators/mod.rs +++ b/src/tools/clippy/clippy_lints/src/operators/mod.rs @@ -919,7 +919,7 @@ impl<'tcx> LateLintPass<'tcx> for Operators { modulo_arithmetic::check(cx, e, bin_op, lhs, rhs, false); }, ExprKind::Assign(lhs, rhs, _) => { - assign_op_pattern::check(cx, e, lhs, rhs); + assign_op_pattern::check(cx, e, lhs, rhs, self.msrv); self_assignment::check(cx, e, lhs, rhs); }, ExprKind::Unary(op, arg) => { diff --git a/src/tools/clippy/clippy_lints/src/operators/modulo_arithmetic.rs b/src/tools/clippy/clippy_lints/src/operators/modulo_arithmetic.rs index 691d7b904ef..b79461663d7 100644 --- a/src/tools/clippy/clippy_lints/src/operators/modulo_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/operators/modulo_arithmetic.rs @@ -34,14 +34,10 @@ pub(super) fn check<'tcx>( } fn used_in_comparison_with_zero(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { - let Node::Expr(parent_expr) = cx.tcx.parent_hir_node(expr.hir_id) else { - return false; - }; - let ExprKind::Binary(op, lhs, rhs) = parent_expr.kind else { - return false; - }; - - if op.node == BinOpKind::Eq || op.node == BinOpKind::Ne { + if let Node::Expr(parent_expr) = cx.tcx.parent_hir_node(expr.hir_id) + && let ExprKind::Binary(op, lhs, rhs) = parent_expr.kind + && let BinOpKind::Eq | BinOpKind::Ne = op.node + { let ecx = ConstEvalCtxt::new(cx); matches!(ecx.eval(lhs), Some(Constant::Int(0))) || matches!(ecx.eval(rhs), Some(Constant::Int(0))) } else { @@ -56,35 +52,28 @@ struct OperandInfo { } fn analyze_operand(operand: &Expr<'_>, cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<OperandInfo> { - match ConstEvalCtxt::new(cx).eval(operand) { - Some(Constant::Int(v)) => match *cx.typeck_results().expr_ty(expr).kind() { + match ConstEvalCtxt::new(cx).eval(operand)? { + Constant::Int(v) => match *cx.typeck_results().expr_ty(expr).kind() { ty::Int(ity) => { let value = sext(cx.tcx, v, ity); - return Some(OperandInfo { + Some(OperandInfo { string_representation: Some(value.to_string()), is_negative: value < 0, is_integral: true, - }); - }, - ty::Uint(_) => { - return Some(OperandInfo { - string_representation: None, - is_negative: false, - is_integral: true, - }); + }) }, - _ => {}, + ty::Uint(_) => Some(OperandInfo { + string_representation: None, + is_negative: false, + is_integral: true, + }), + _ => None, }, // FIXME(f16_f128): add when casting is available on all platforms - Some(Constant::F32(f)) => { - return Some(floating_point_operand_info(&f)); - }, - Some(Constant::F64(f)) => { - return Some(floating_point_operand_info(&f)); - }, - _ => {}, + Constant::F32(f) => Some(floating_point_operand_info(&f)), + Constant::F64(f) => Some(floating_point_operand_info(&f)), + _ => None, } - None } fn floating_point_operand_info<T: Display + PartialOrd + From<f32>>(f: &T) -> OperandInfo { diff --git a/src/tools/clippy/clippy_lints/src/option_env_unwrap.rs b/src/tools/clippy/clippy_lints/src/option_env_unwrap.rs index d16f5f8e112..64ad92b1ebb 100644 --- a/src/tools/clippy/clippy_lints/src/option_env_unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/option_env_unwrap.rs @@ -37,7 +37,7 @@ impl EarlyLintPass for OptionEnvUnwrap { fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { if let ExprKind::MethodCall(box MethodCall { seg, receiver, .. }) = &expr.kind && matches!(seg.ident.name, sym::expect | sym::unwrap) - && is_direct_expn_of(receiver.span, "option_env").is_some() + && is_direct_expn_of(receiver.span, sym::option_env).is_some() { span_lint_and_help( cx, diff --git a/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs b/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs index 8962f36db1e..449d3da7639 100644 --- a/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs +++ b/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs @@ -152,7 +152,6 @@ impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { expr.span, "`panic_any` should not be present in production code", ); - return; } } } diff --git a/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs b/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs index cda752d003f..65e93af9420 100644 --- a/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs +++ b/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs @@ -41,7 +41,7 @@ declare_lint_pass!(PartialPubFields => [PARTIAL_PUB_FIELDS]); impl EarlyLintPass for PartialPubFields { fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { - let ItemKind::Struct(_, ref st, _) = item.kind else { + let ItemKind::Struct(_, _, ref st) = item.kind else { return; }; diff --git a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs index 5d30b66def2..dadf49b64e5 100644 --- a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs +++ b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs @@ -1,5 +1,3 @@ -use std::{cmp, iter}; - use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; @@ -20,6 +18,7 @@ use rustc_middle::ty::{self, RegionKind, TyCtxt}; use rustc_session::impl_lint_pass; use rustc_span::def_id::LocalDefId; use rustc_span::{Span, sym}; +use std::iter; declare_clippy_lint! { /// ### What it does @@ -33,10 +32,8 @@ declare_clippy_lint! { /// registers. /// /// ### Known problems - /// This lint is target register size dependent, it is - /// limited to 32-bit to try and reduce portability problems between 32 and - /// 64-bit, but if you are compiling for 8 or 16-bit targets then the limit - /// will be different. + /// This lint is target dependent, some cases will lint on 64-bit targets but + /// not 32-bit or lower targets. /// /// The configuration option `trivial_copy_size_limit` can be set to override /// this limit for a project. @@ -112,16 +109,9 @@ pub struct PassByRefOrValue { impl PassByRefOrValue { pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { - let ref_min_size = conf.trivial_copy_size_limit.unwrap_or_else(|| { - let bit_width = u64::from(tcx.sess.target.pointer_width); - // Cap the calculated bit width at 32-bits to reduce - // portability problems between 32 and 64-bit targets - let bit_width = cmp::min(bit_width, 32); - #[expect(clippy::integer_division)] - let byte_width = bit_width / 8; - // Use a limit of 2 times the register byte width - byte_width * 2 - }); + let ref_min_size = conf + .trivial_copy_size_limit + .unwrap_or_else(|| u64::from(tcx.sess.target.pointer_width / 8)); Self { ref_min_size, diff --git a/src/tools/clippy/clippy_lints/src/pub_underscore_fields.rs b/src/tools/clippy/clippy_lints/src/pub_underscore_fields.rs index e4a9bf7a848..66c59cb70d3 100644 --- a/src/tools/clippy/clippy_lints/src/pub_underscore_fields.rs +++ b/src/tools/clippy/clippy_lints/src/pub_underscore_fields.rs @@ -58,7 +58,7 @@ impl PubUnderscoreFields { impl<'tcx> LateLintPass<'tcx> for PubUnderscoreFields { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { // This lint only pertains to structs. - let ItemKind::Struct(_, variant_data, _) = &item.kind else { + let ItemKind::Struct(_, _, variant_data) = &item.kind else { return; }; diff --git a/src/tools/clippy/clippy_lints/src/returns.rs b/src/tools/clippy/clippy_lints/src/returns.rs index 122d97fdf81..e0c93153a77 100644 --- a/src/tools/clippy/clippy_lints/src/returns.rs +++ b/src/tools/clippy/clippy_lints/src/returns.rs @@ -423,12 +423,21 @@ fn check_final_expr<'tcx>( _ => return, } - emit_return_lint(cx, ret_span, semi_spans, &replacement, expr.hir_id); + emit_return_lint( + cx, + peeled_drop_expr.span, + ret_span, + semi_spans, + &replacement, + expr.hir_id, + ); }, ExprKind::If(_, then, else_clause_opt) => { check_block_return(cx, &then.kind, peeled_drop_expr.span, semi_spans.clone()); if let Some(else_clause) = else_clause_opt { - check_block_return(cx, &else_clause.kind, peeled_drop_expr.span, semi_spans); + // The `RetReplacement` won't be used there as `else_clause` will be either a block or + // a `if` expression. + check_final_expr(cx, else_clause, semi_spans, RetReplacement::Empty, match_ty_opt); } }, // a match expr, check all arms @@ -448,6 +457,7 @@ fn check_final_expr<'tcx>( fn emit_return_lint( cx: &LateContext<'_>, + lint_span: Span, ret_span: Span, semi_spans: Vec<Span>, replacement: &RetReplacement<'_>, @@ -457,7 +467,7 @@ fn emit_return_lint( cx, NEEDLESS_RETURN, at, - ret_span, + lint_span, "unneeded `return` statement", |diag| { let suggestions = std::iter::once((ret_span, replacement.to_string())) @@ -479,7 +489,7 @@ fn last_statement_borrows<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) .skip_binder() .output() .walk() - .any(|arg| matches!(arg.unpack(), GenericArgKind::Lifetime(re) if !re.is_static())) + .any(|arg| matches!(arg.kind(), GenericArgKind::Lifetime(re) if !re.is_static())) { ControlFlow::Break(()) } else { diff --git a/src/tools/clippy/clippy_lints/src/significant_drop_tightening.rs b/src/tools/clippy/clippy_lints/src/significant_drop_tightening.rs index ccb1209c6fc..521754f7bab 100644 --- a/src/tools/clippy/clippy_lints/src/significant_drop_tightening.rs +++ b/src/tools/clippy/clippy_lints/src/significant_drop_tightening.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{indent_of, snippet}; -use clippy_utils::{expr_or_init, get_attr, path_to_local, peel_hir_expr_unary}; +use clippy_utils::{expr_or_init, get_attr, path_to_local, peel_hir_expr_unary, sym}; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; @@ -10,7 +10,7 @@ use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::ty::{GenericArgKind, Ty}; use rustc_session::impl_lint_pass; use rustc_span::symbol::Ident; -use rustc_span::{DUMMY_SP, Span, sym}; +use rustc_span::{DUMMY_SP, Span}; use std::borrow::Cow; use std::collections::hash_map::Entry; @@ -169,7 +169,7 @@ impl<'cx, 'others, 'tcx> AttrChecker<'cx, 'others, 'tcx> { let mut iter = get_attr( self.cx.sess(), self.cx.tcx.get_attrs_unchecked(adt.did()), - "has_significant_drop", + sym::has_significant_drop, ); if iter.next().is_some() { return true; @@ -184,7 +184,7 @@ impl<'cx, 'others, 'tcx> AttrChecker<'cx, 'others, 'tcx> { } } for generic_arg in *b { - if let GenericArgKind::Type(ty) = generic_arg.unpack() + if let GenericArgKind::Type(ty) = generic_arg.kind() && self.has_sig_drop_attr(ty, depth) { return true; diff --git a/src/tools/clippy/clippy_lints/src/size_of_in_element_count.rs b/src/tools/clippy/clippy_lints/src/size_of_in_element_count.rs index 835ec1e4ca1..3623039aece 100644 --- a/src/tools/clippy/clippy_lints/src/size_of_in_element_count.rs +++ b/src/tools/clippy/clippy_lints/src/size_of_in_element_count.rs @@ -1,9 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::sym; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty}; use rustc_session::declare_lint_pass; -use rustc_span::sym; +use rustc_span::Symbol; declare_clippy_lint! { /// ### What it does @@ -62,17 +63,17 @@ fn get_pointee_ty_and_count_expr<'tcx>( cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, ) -> Option<(Ty<'tcx>, &'tcx Expr<'tcx>)> { - const METHODS: [&str; 10] = [ - "copy_to", - "copy_from", - "copy_to_nonoverlapping", - "copy_from_nonoverlapping", - "add", - "wrapping_add", - "sub", - "wrapping_sub", - "offset", - "wrapping_offset", + const METHODS: [Symbol; 10] = [ + sym::copy_to, + sym::copy_from, + sym::copy_to_nonoverlapping, + sym::copy_from_nonoverlapping, + sym::add, + sym::wrapping_add, + sym::sub, + sym::wrapping_sub, + sym::offset, + sym::wrapping_offset, ]; if let ExprKind::Call(func, [.., count]) = expr.kind @@ -97,7 +98,7 @@ fn get_pointee_ty_and_count_expr<'tcx>( } if let ExprKind::MethodCall(method_path, ptr_self, [.., count], _) = expr.kind // Find calls to copy_{from,to}{,_nonoverlapping} - && let method_ident = method_path.ident.as_str() + && let method_ident = method_path.ident.name && METHODS.contains(&method_ident) // Get the pointee type diff --git a/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs b/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs index 30a5fe4db27..f497d0700b8 100644 --- a/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs +++ b/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs @@ -266,7 +266,7 @@ impl<'tcx> VectorInitializationVisitor<'_, 'tcx> { let is_matching_resize = if let InitializedSize::Initialized(size_expr) = self.vec_alloc.size_expr { // If we have a size expression, check that it is equal to what's passed to `resize` SpanlessEq::new(self.cx).eq_expr(len_arg, size_expr) - || matches!(len_arg.kind, ExprKind::MethodCall(path, ..) if path.ident.as_str() == "capacity") + || matches!(len_arg.kind, ExprKind::MethodCall(path, ..) if path.ident.name == sym::capacity) } else { self.vec_alloc.size_expr = InitializedSize::Initialized(len_arg); true @@ -288,7 +288,7 @@ impl<'tcx> VectorInitializationVisitor<'_, 'tcx> { if let InitializedSize::Initialized(size_expr) = self.vec_alloc.size_expr { // Check that len expression is equals to `with_capacity` expression return SpanlessEq::new(self.cx).eq_expr(len_arg, size_expr) - || matches!(len_arg.kind, ExprKind::MethodCall(path, ..) if path.ident.as_str() == "capacity"); + || matches!(len_arg.kind, ExprKind::MethodCall(path, ..) if path.ident.name == sym::capacity); } self.vec_alloc.size_expr = InitializedSize::Initialized(len_arg); diff --git a/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs b/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs index d68ac8bab12..3d39386ecf9 100644 --- a/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs +++ b/src/tools/clippy/clippy_lints/src/std_instead_of_core.rs @@ -2,7 +2,7 @@ use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::is_from_proc_macro; use clippy_utils::msrvs::Msrv; -use rustc_attr_parsing::{StabilityLevel, StableSince}; +use rustc_attr_data_structures::{StabilityLevel, StableSince}; use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::def_id::DefId; diff --git a/src/tools/clippy/clippy_lints/src/string_patterns.rs b/src/tools/clippy/clippy_lints/src/string_patterns.rs index 5c95dfe8347..f63e6b3087b 100644 --- a/src/tools/clippy/clippy_lints/src/string_patterns.rs +++ b/src/tools/clippy/clippy_lints/src/string_patterns.rs @@ -5,9 +5,9 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::eager_or_lazy::switch_to_eager_eval; use clippy_utils::macros::matching_root_macro_call; use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::path_to_local_id; use clippy_utils::source::{snippet, str_literal_to_char_literal}; use clippy_utils::visitors::{Descend, for_each_expr}; +use clippy_utils::{path_to_local_id, sym}; use itertools::Itertools; use rustc_ast::{BinOpKind, LitKind}; use rustc_errors::Applicability; @@ -15,7 +15,7 @@ use rustc_hir::{Expr, ExprKind, PatExprKind, PatKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::impl_lint_pass; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol}; declare_clippy_lint! { /// ### What it does @@ -83,29 +83,29 @@ impl StringPatterns { impl_lint_pass!(StringPatterns => [MANUAL_PATTERN_CHAR_COMPARISON, SINGLE_CHAR_PATTERN]); -const PATTERN_METHODS: [(&str, usize); 22] = [ - ("contains", 0), - ("starts_with", 0), - ("ends_with", 0), - ("find", 0), - ("rfind", 0), - ("split", 0), - ("split_inclusive", 0), - ("rsplit", 0), - ("split_terminator", 0), - ("rsplit_terminator", 0), - ("splitn", 1), - ("rsplitn", 1), - ("split_once", 0), - ("rsplit_once", 0), - ("matches", 0), - ("rmatches", 0), - ("match_indices", 0), - ("rmatch_indices", 0), - ("trim_start_matches", 0), - ("trim_end_matches", 0), - ("replace", 0), - ("replacen", 0), +const PATTERN_METHODS: [(Symbol, usize); 22] = [ + (sym::contains, 0), + (sym::starts_with, 0), + (sym::ends_with, 0), + (sym::find, 0), + (sym::rfind, 0), + (sym::split, 0), + (sym::split_inclusive, 0), + (sym::rsplit, 0), + (sym::split_terminator, 0), + (sym::rsplit_terminator, 0), + (sym::splitn, 1), + (sym::rsplitn, 1), + (sym::split_once, 0), + (sym::rsplit_once, 0), + (sym::matches, 0), + (sym::rmatches, 0), + (sym::match_indices, 0), + (sym::rmatch_indices, 0), + (sym::trim_start_matches, 0), + (sym::trim_end_matches, 0), + (sym::replace, 0), + (sym::replacen, 0), ]; fn check_single_char_pattern_lint(cx: &LateContext<'_>, arg: &Expr<'_>) { @@ -228,7 +228,7 @@ impl<'tcx> LateLintPass<'tcx> for StringPatterns { && let ExprKind::MethodCall(method, receiver, args, _) = expr.kind && let ty::Ref(_, ty, _) = cx.typeck_results().expr_ty_adjusted(receiver).kind() && ty.is_str() - && let method_name = method.ident.name.as_str() + && let method_name = method.ident.name && let Some(&(_, pos)) = PATTERN_METHODS .iter() .find(|(array_method_name, _)| *array_method_name == method_name) diff --git a/src/tools/clippy/clippy_lints/src/strlen_on_c_strings.rs b/src/tools/clippy/clippy_lints/src/strlen_on_c_strings.rs index 1ada7094dc5..33856c750d7 100644 --- a/src/tools/clippy/clippy_lints/src/strlen_on_c_strings.rs +++ b/src/tools/clippy/clippy_lints/src/strlen_on_c_strings.rs @@ -1,13 +1,12 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::match_libc_symbol; use clippy_utils::source::snippet_with_context; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; use clippy_utils::visitors::is_expr_unsafe; +use clippy_utils::{match_libc_symbol, sym}; use rustc_errors::Applicability; use rustc_hir::{Block, BlockCheckMode, Expr, ExprKind, LangItem, Node, UnsafeSource}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; -use rustc_span::symbol::sym; declare_clippy_lint! { /// ### What it does @@ -44,7 +43,7 @@ impl<'tcx> LateLintPass<'tcx> for StrlenOnCStrings { && let ExprKind::Call(func, [recv]) = expr.kind && let ExprKind::Path(path) = &func.kind && let Some(did) = cx.qpath_res(path, func.hir_id).opt_def_id() - && match_libc_symbol(cx, did, "strlen") + && match_libc_symbol(cx, did, sym::strlen) && let ExprKind::MethodCall(path, self_arg, [], _) = recv.kind && !recv.span.from_expansion() && path.ident.name == sym::as_ptr diff --git a/src/tools/clippy/clippy_lints/src/suspicious_trait_impl.rs b/src/tools/clippy/clippy_lints/src/suspicious_trait_impl.rs index 83241f97a99..edb7600b7c0 100644 --- a/src/tools/clippy/clippy_lints/src/suspicious_trait_impl.rs +++ b/src/tools/clippy/clippy_lints/src/suspicious_trait_impl.rs @@ -80,7 +80,7 @@ fn check_expr_inner<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, bin && let hir::Node::ImplItem(impl_item) = cx.tcx.hir_node_by_def_id(parent_fn) && let hir::ImplItemKind::Fn(_, body_id) = impl_item.kind && let body = cx.tcx.hir_body(body_id) - && let parent_fn = cx.tcx.hir_get_parent_item(expr.hir_id).def_id + && let parent_fn = cx.tcx.hir_get_parent_item(expr.hir_id) && let Some(trait_ref) = trait_ref_of_method(cx, parent_fn) && let trait_id = trait_ref.path.res.def_id() && ![binop_trait_id, op_assign_trait_id].contains(&trait_id) diff --git a/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs b/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs index 20bf3a0bff1..75a82770af0 100644 --- a/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs +++ b/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs @@ -57,7 +57,7 @@ impl<'tcx> LateLintPass<'tcx> for TrailingEmptyArray { } fn is_struct_with_trailing_zero_sized_array<'tcx>(cx: &LateContext<'tcx>, item: &Item<'tcx>) -> bool { - if let ItemKind::Struct(_, data, _) = &item.kind + if let ItemKind::Struct(_, _, data) = &item.kind && let Some(last_field) = data.fields().last() && let field_ty = cx.tcx.normalize_erasing_regions( cx.typing_env(), diff --git a/src/tools/clippy/clippy_lints/src/tuple_array_conversions.rs b/src/tools/clippy/clippy_lints/src/tuple_array_conversions.rs index 95ce19975c7..3c21d194b81 100644 --- a/src/tools/clippy/clippy_lints/src/tuple_array_conversions.rs +++ b/src/tools/clippy/clippy_lints/src/tuple_array_conversions.rs @@ -66,7 +66,7 @@ impl LateLintPass<'_> for TupleArrayConversions { } fn check_array<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, elements: &'tcx [Expr<'tcx>]) { - let (ty::Array(ty, _) | ty::Slice(ty)) = cx.typeck_results().expr_ty(expr).kind() else { + let Some(ty) = cx.typeck_results().expr_ty(expr).builtin_index() else { unreachable!("`expr` must be an array or slice due to `ExprKind::Array`"); }; @@ -85,7 +85,7 @@ fn check_array<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, elements: & ExprKind::Path(_) => Some(elements.iter().collect()), _ => None, }) - && all_bindings_are_for_conv(cx, &[*ty], expr, elements, &locals, ToType::Array) + && all_bindings_are_for_conv(cx, &[ty], expr, elements, &locals, ToType::Array) && !is_from_proc_macro(cx, expr) { span_lint_and_help( diff --git a/src/tools/clippy/clippy_lints/src/types/mod.rs b/src/tools/clippy/clippy_lints/src/types/mod.rs index c1c7cc51656..515be5adeed 100644 --- a/src/tools/clippy/clippy_lints/src/types/mod.rs +++ b/src/tools/clippy/clippy_lints/src/types/mod.rs @@ -447,7 +447,7 @@ impl<'tcx> LateLintPass<'tcx> for Types { let is_exported = cx.effective_visibilities.is_exported(item.owner_id.def_id); match item.kind { - ItemKind::Static(_, ty, _, _) | ItemKind::Const(_, ty, _, _) => self.check_ty( + ItemKind::Static(_, _, ty, _) | ItemKind::Const(_, _, ty, _) => self.check_ty( cx, ty, CheckTyContext { diff --git a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs index 67ceac92dbc..39f4130afcf 100644 --- a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs +++ b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs @@ -5,7 +5,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_middle::ty::{ClauseKind, GenericPredicates, ProjectionPredicate, TraitPredicate}; use rustc_session::declare_lint_pass; -use rustc_span::{BytePos, Span, sym}; +use rustc_span::{BytePos, Span, Symbol, sym}; declare_clippy_lint! { /// ### What it does @@ -36,21 +36,26 @@ declare_clippy_lint! { declare_lint_pass!(UnitReturnExpectingOrd => [UNIT_RETURN_EXPECTING_ORD]); -fn get_trait_predicates_for_trait_id<'tcx>( +// For each +fn get_trait_predicates_for_trait_ids<'tcx>( cx: &LateContext<'tcx>, generics: GenericPredicates<'tcx>, - trait_id: Option<DefId>, -) -> Vec<TraitPredicate<'tcx>> { - let mut preds = Vec::new(); + trait_ids: &[Option<DefId>], // At least 2 ids +) -> [Vec<TraitPredicate<'tcx>>; 3] { + debug_assert!(trait_ids.len() >= 2); + let mut preds = [Vec::new(), Vec::new(), Vec::new()]; for (pred, _) in generics.predicates { - if let ClauseKind::Trait(poly_trait_pred) = pred.kind().skip_binder() - && let trait_pred = cx + if let ClauseKind::Trait(poly_trait_pred) = pred.kind().skip_binder() { + let trait_pred = cx .tcx - .instantiate_bound_regions_with_erased(pred.kind().rebind(poly_trait_pred)) - && let Some(trait_def_id) = trait_id - && trait_def_id == trait_pred.trait_ref.def_id - { - preds.push(trait_pred); + .instantiate_bound_regions_with_erased(pred.kind().rebind(poly_trait_pred)); + for (i, tid) in trait_ids.iter().enumerate() { + if let Some(tid) = tid + && *tid == trait_pred.trait_ref.def_id + { + preds[i].push(trait_pred); + } + } } } preds @@ -74,15 +79,24 @@ fn get_projection_pred<'tcx>( }) } -fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Vec<(usize, String)> { +fn get_args_to_check<'tcx>( + cx: &LateContext<'tcx>, + expr: &'tcx Expr<'tcx>, + args_len: usize, + fn_mut_trait: DefId, + ord_trait: Option<DefId>, + partial_ord_trait: Option<DefId>, +) -> Vec<(usize, Symbol)> { let mut args_to_check = Vec::new(); if let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { let fn_sig = cx.tcx.fn_sig(def_id).instantiate_identity(); let generics = cx.tcx.predicates_of(def_id); - let fn_mut_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.lang_items().fn_mut_trait()); - let ord_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.get_diagnostic_item(sym::Ord)); - let partial_ord_preds = - get_trait_predicates_for_trait_id(cx, generics, cx.tcx.lang_items().partial_ord_trait()); + let [fn_mut_preds, ord_preds, partial_ord_preds] = + get_trait_predicates_for_trait_ids(cx, generics, &[Some(fn_mut_trait), ord_trait, partial_ord_trait]); + if fn_mut_preds.is_empty() { + return vec![]; + } + // Trying to call instantiate_bound_regions_with_erased on fn_sig.inputs() gives the following error // The trait `rustc::ty::TypeFoldable<'_>` is not implemented for // `&[rustc_middle::ty::Ty<'_>]` @@ -102,12 +116,18 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve .iter() .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.as_type()) { - args_to_check.push((i, "Ord".to_string())); + args_to_check.push((i, sym::Ord)); + if args_to_check.len() == args_len - 1 { + break; + } } else if partial_ord_preds .iter() .any(|pord| pord.self_ty() == return_ty_pred.term.expect_type()) { - args_to_check.push((i, "PartialOrd".to_string())); + args_to_check.push((i, sym::PartialOrd)); + if args_to_check.len() == args_len - 1 { + break; + } } } } @@ -142,38 +162,50 @@ fn check_arg<'tcx>(cx: &LateContext<'tcx>, arg: &'tcx Expr<'tcx>) -> Option<(Spa impl<'tcx> LateLintPass<'tcx> for UnitReturnExpectingOrd { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { - if let ExprKind::MethodCall(_, receiver, args, _) = expr.kind { - let arg_indices = get_args_to_check(cx, expr); + if let ExprKind::MethodCall(_, receiver, args, _) = expr.kind + && args.iter().any(|arg| { + matches!( + arg.peel_blocks().peel_borrows().peel_drop_temps().kind, + ExprKind::Path(_) | ExprKind::Closure(_) + ) + }) + && let Some(fn_mut_trait) = cx.tcx.lang_items().fn_mut_trait() + { + let ord_trait = cx.tcx.get_diagnostic_item(sym::Ord); + let partial_ord_trait = cx.tcx.lang_items().partial_ord_trait(); + if (ord_trait, partial_ord_trait) == (None, None) { + return; + } + let args = std::iter::once(receiver).chain(args.iter()).collect::<Vec<_>>(); + let arg_indices = get_args_to_check(cx, expr, args.len(), fn_mut_trait, ord_trait, partial_ord_trait); for (i, trait_name) in arg_indices { - if i < args.len() { - match check_arg(cx, args[i]) { - Some((span, None)) => { - span_lint( - cx, - UNIT_RETURN_EXPECTING_ORD, - span, - format!( - "this closure returns \ + match check_arg(cx, args[i]) { + Some((span, None)) => { + span_lint( + cx, + UNIT_RETURN_EXPECTING_ORD, + span, + format!( + "this closure returns \ the unit type which also implements {trait_name}" - ), - ); - }, - Some((span, Some(last_semi))) => { - span_lint_and_help( - cx, - UNIT_RETURN_EXPECTING_ORD, - span, - format!( - "this closure returns \ + ), + ); + }, + Some((span, Some(last_semi))) => { + span_lint_and_help( + cx, + UNIT_RETURN_EXPECTING_ORD, + span, + format!( + "this closure returns \ the unit type which also implements {trait_name}" - ), - Some(last_semi), - "probably caused by this trailing semicolon", - ); - }, - None => {}, - } + ), + Some(last_semi), + "probably caused by this trailing semicolon", + ); + }, + None => {}, } } } diff --git a/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs b/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs index bcd05cceca9..54a7efc090a 100644 --- a/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs +++ b/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs @@ -1,3 +1,5 @@ +use std::borrow::Cow; + use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet; @@ -78,7 +80,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryWraps { fn_kind: FnKind<'tcx>, fn_decl: &FnDecl<'tcx>, body: &Body<'tcx>, - span: Span, + _span: Span, def_id: LocalDefId, ) { // Abort if public function/method or closure. @@ -147,19 +149,22 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryWraps { "remove the return type...".to_string(), // FIXME: we should instead get the span including the `->` and suggest an // empty string for this case. - "()".to_string(), - "...and then remove returned values", + Cow::Borrowed("()"), + Cow::Borrowed("...and then remove returned values"), ) } else { + let wrapper = if lang_item == OptionSome { "Some" } else { "Ok" }; ( format!("this function's return value is unnecessarily wrapped by `{return_type_label}`"), format!("remove `{return_type_label}` from the return type..."), - inner_type.to_string(), - "...and then change returning expressions", + Cow::Owned(inner_type.to_string()), + Cow::Owned(format!( + "...and then remove the surrounding `{wrapper}()` from returning expressions" + )), ) }; - span_lint_and_then(cx, UNNECESSARY_WRAPS, span, lint_msg, |diag| { + span_lint_and_then(cx, UNNECESSARY_WRAPS, cx.tcx.def_span(def_id), lint_msg, |diag| { diag.span_suggestion( fn_decl.output.span(), return_type_sugg_msg, diff --git a/src/tools/clippy/clippy_lints/src/unused_peekable.rs b/src/tools/clippy/clippy_lints/src/unused_peekable.rs index 7487e273caa..1f5351e32aa 100644 --- a/src/tools/clippy/clippy_lints/src/unused_peekable.rs +++ b/src/tools/clippy/clippy_lints/src/unused_peekable.rs @@ -1,13 +1,12 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::ty::{is_type_diagnostic_item, peel_mid_ty_refs_is_mutable}; -use clippy_utils::{fn_def_id, is_trait_method, path_to_local_id, peel_ref_operators}; +use clippy_utils::{fn_def_id, is_trait_method, path_to_local_id, peel_ref_operators, sym}; use rustc_ast::Mutability; use rustc_hir::intravisit::{Visitor, walk_expr}; use rustc_hir::{Block, Expr, ExprKind, HirId, LetStmt, Node, PatKind, PathSegment, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter::OnlyBodies; use rustc_session::declare_lint_pass; -use rustc_span::sym; use std::ops::ControlFlow; declare_clippy_lint! { @@ -150,10 +149,10 @@ impl<'tcx> Visitor<'tcx> for PeekableVisitor<'_, 'tcx> { remaining_args, _, ) => { - let method_name = method_name_ident.name.as_str(); + let method_name = method_name_ident.name; // `Peekable` methods - if matches!(method_name, "peek" | "peek_mut" | "next_if" | "next_if_eq") + if matches!(method_name, sym::peek | sym::peek_mut | sym::next_if | sym::next_if_eq) && arg_is_mut_peekable(self.cx, self_arg) { return ControlFlow::Break(()); @@ -167,7 +166,7 @@ impl<'tcx> Visitor<'tcx> for PeekableVisitor<'_, 'tcx> { } // foo.by_ref(), keep checking for `peek` - if method_name == "by_ref" { + if method_name == sym::by_ref { continue; } diff --git a/src/tools/clippy/clippy_lints/src/unused_rounding.rs b/src/tools/clippy/clippy_lints/src/unused_rounding.rs index 3e5afec541c..c21004b5362 100644 --- a/src/tools/clippy/clippy_lints/src/unused_rounding.rs +++ b/src/tools/clippy/clippy_lints/src/unused_rounding.rs @@ -1,9 +1,11 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; +use clippy_utils::sym; use rustc_ast::ast::{Expr, ExprKind, MethodCall}; use rustc_errors::Applicability; use rustc_lint::{EarlyContext, EarlyLintPass}; use rustc_session::declare_lint_pass; +use rustc_span::Symbol; declare_clippy_lint! { /// ### What it does @@ -30,19 +32,20 @@ declare_clippy_lint! { } declare_lint_pass!(UnusedRounding => [UNUSED_ROUNDING]); -fn is_useless_rounding<'a>(cx: &EarlyContext<'_>, expr: &'a Expr) -> Option<(&'a str, String)> { +fn is_useless_rounding(cx: &EarlyContext<'_>, expr: &Expr) -> Option<(Symbol, String)> { if let ExprKind::MethodCall(box MethodCall { seg: name_ident, receiver, .. }) = &expr.kind - && let method_name = name_ident.ident.name.as_str() - && (method_name == "ceil" || method_name == "round" || method_name == "floor") + && let method_name = name_ident.ident.name + && matches!(method_name, sym::ceil | sym::floor | sym::round) && let ExprKind::Lit(token_lit) = &receiver.kind && token_lit.is_semantic_float() && let Ok(f) = token_lit.symbol.as_str().replace('_', "").parse::<f64>() + && f.fract() == 0.0 { - (f.fract() == 0.0).then(|| (method_name, snippet(cx, receiver.span, "..").to_string())) + Some((method_name, snippet(cx, receiver.span, "..").into())) } else { None } diff --git a/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs b/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs index f870eb71e19..7bec212a23c 100644 --- a/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs +++ b/src/tools/clippy/clippy_lints/src/unwrap_in_result.rs @@ -79,7 +79,7 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_item: &'tc let mut result = Vec::new(); let _: Option<!> = for_each_expr(cx, body.value, |e| { // check for `expect` - if let Some(arglists) = method_chain_args(e, &["expect"]) { + if let Some(arglists) = method_chain_args(e, &[sym::expect]) { let receiver_ty = typeck.expr_ty(arglists[0].0).peel_refs(); if is_type_diagnostic_item(cx, receiver_ty, sym::Option) || is_type_diagnostic_item(cx, receiver_ty, sym::Result) @@ -89,7 +89,7 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_item: &'tc } // check for `unwrap` - if let Some(arglists) = method_chain_args(e, &["unwrap"]) { + if let Some(arglists) = method_chain_args(e, &[sym::unwrap]) { let receiver_ty = typeck.expr_ty(arglists[0].0).peel_refs(); if is_type_diagnostic_item(cx, receiver_ty, sym::Option) || is_type_diagnostic_item(cx, receiver_ty, sym::Result) diff --git a/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs b/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs index 8922478e718..02281b9e922 100644 --- a/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs +++ b/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs @@ -134,7 +134,7 @@ impl LateLintPass<'_> for UpperCaseAcronyms { ItemKind::TyAlias(ident, ..) | ItemKind::Struct(ident, ..) | ItemKind::Trait(_, _, ident, ..) => { check_ident(cx, &ident, it.hir_id(), self.upper_case_acronyms_aggressive); }, - ItemKind::Enum(ident, ref enumdef, _) => { + ItemKind::Enum(ident, _, ref enumdef) => { check_ident(cx, &ident, it.hir_id(), self.upper_case_acronyms_aggressive); // check enum variants separately because again we only want to lint on private enums and // the fn check_variant does not know about the vis of the enum of its variants diff --git a/src/tools/clippy/clippy_lints/src/use_self.rs b/src/tools/clippy/clippy_lints/src/use_self.rs index 743f54ca993..aeda864b7eb 100644 --- a/src/tools/clippy/clippy_lints/src/use_self.rs +++ b/src/tools/clippy/clippy_lints/src/use_self.rs @@ -319,7 +319,7 @@ fn same_lifetimes<'tcx>(a: MiddleTy<'tcx>, b: MiddleTy<'tcx>) -> bool { args_a .iter() .zip(args_b.iter()) - .all(|(arg_a, arg_b)| match (arg_a.unpack(), arg_b.unpack()) { + .all(|(arg_a, arg_b)| match (arg_a.kind(), arg_b.kind()) { // TODO: Handle inferred lifetimes (GenericArgKind::Lifetime(inner_a), GenericArgKind::Lifetime(inner_b)) => inner_a == inner_b, (GenericArgKind::Type(type_a), GenericArgKind::Type(type_b)) => same_lifetimes(type_a, type_b), @@ -337,7 +337,7 @@ fn has_no_lifetime(ty: MiddleTy<'_>) -> bool { &Adt(_, args) => !args .iter() // TODO: Handle inferred lifetimes - .any(|arg| matches!(arg.unpack(), GenericArgKind::Lifetime(..))), + .any(|arg| matches!(arg.kind(), GenericArgKind::Lifetime(..))), _ => true, } } diff --git a/src/tools/clippy/clippy_lints/src/useless_concat.rs b/src/tools/clippy/clippy_lints/src/useless_concat.rs new file mode 100644 index 00000000000..1ed1fbb3b9c --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/useless_concat.rs @@ -0,0 +1,104 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::macros::macro_backtrace; +use clippy_utils::paths::CONCAT; +use clippy_utils::source::snippet_opt; +use clippy_utils::tokenize_with_text; +use rustc_ast::LitKind; +use rustc_errors::Applicability; +use rustc_hir::{Expr, ExprKind}; +use rustc_lexer::TokenKind; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::declare_lint_pass; + +declare_clippy_lint! { + /// ### What it does + /// Checks that the `concat!` macro has at least two arguments. + /// + /// ### Why is this bad? + /// If there are less than 2 arguments, then calling the macro is doing nothing. + /// + /// ### Example + /// ```no_run + /// let x = concat!("a"); + /// ``` + /// Use instead: + /// ```no_run + /// let x = "a"; + /// ``` + #[clippy::version = "1.89.0"] + pub USELESS_CONCAT, + complexity, + "checks that the `concat` macro has at least two arguments" +} + +declare_lint_pass!(UselessConcat => [USELESS_CONCAT]); + +impl LateLintPass<'_> for UselessConcat { + fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { + // Check that the expression is generated by a macro. + if expr.span.from_expansion() + // Check that it's a string literal. + && let ExprKind::Lit(lit) = expr.kind + && let LitKind::Str(lit_s, _) = lit.node + // Get the direct parent of the expression. + && let Some(macro_call) = macro_backtrace(expr.span).next() + // Check if the `concat` macro from the `core` library. + && CONCAT.matches(cx, macro_call.def_id) + // We get the original code to parse it. + && let Some(original_code) = snippet_opt(cx, macro_call.span) + // This check allows us to ensure that the code snippet: + // 1. Doesn't come from proc-macro expansion. + // 2. Doesn't come from foreign macro expansion. + // + // It works as follows: if the snippet we get doesn't contain `concat!(`, then it + // means it's not code written in the current crate so we shouldn't lint. + && let mut parts = original_code.split('!') + && parts.next().is_some_and(|p| p.trim() == "concat") + && parts.next().is_some_and(|p| p.trim().starts_with('(')) + { + let mut literal = None; + let mut nb_commas = 0; + let mut nb_idents = 0; + for (token_kind, token_s, _) in tokenize_with_text(&original_code) { + match token_kind { + TokenKind::Eof => break, + TokenKind::Literal { .. } => { + if literal.is_some() { + return; + } + literal = Some(token_s); + }, + TokenKind::Ident => { + if token_s == "true" || token_s == "false" { + literal = Some(token_s); + } else { + nb_idents += 1; + } + }, + TokenKind::Comma => { + nb_commas += 1; + if nb_commas > 1 { + return; + } + }, + // We're inside a macro definition and we are manipulating something we likely + // shouldn't, so aborting. + TokenKind::Dollar => return, + _ => {}, + } + } + // There should always be the ident of the `concat` macro. + if nb_idents == 1 { + span_lint_and_sugg( + cx, + USELESS_CONCAT, + macro_call.span, + "unneeded use of `concat!` macro", + "replace with", + format!("{lit_s:?}"), + Applicability::MachineApplicable, + ); + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/useless_conversion.rs b/src/tools/clippy/clippy_lints/src/useless_conversion.rs index 3a9c997a579..380ddea4e1e 100644 --- a/src/tools/clippy/clippy_lints/src/useless_conversion.rs +++ b/src/tools/clippy/clippy_lints/src/useless_conversion.rs @@ -3,11 +3,11 @@ use clippy_utils::source::{snippet, snippet_with_context}; use clippy_utils::sugg::{DiagExt as _, Sugg}; use clippy_utils::ty::{get_type_diagnostic_name, is_copy, is_type_diagnostic_item, same_type_and_consts}; use clippy_utils::{ - get_parent_expr, is_inherent_method_call, is_trait_item, is_trait_method, is_ty_alias, path_to_local, + get_parent_expr, is_inherent_method_call, is_trait_item, is_trait_method, is_ty_alias, path_to_local, sym, }; use rustc_errors::Applicability; use rustc_hir::def_id::DefId; -use rustc_hir::{BindingMode, Expr, ExprKind, HirId, MatchSource, Node, PatKind}; +use rustc_hir::{BindingMode, Expr, ExprKind, HirId, MatchSource, Mutability, Node, PatKind}; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::Obligation; use rustc_lint::{LateContext, LateLintPass}; @@ -15,7 +15,7 @@ use rustc_middle::traits::ObligationCause; use rustc_middle::ty::adjustment::{Adjust, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::{self, EarlyBinder, GenericArg, GenericArgsRef, Ty, TypeVisitableExt}; use rustc_session::impl_lint_pass; -use rustc_span::{Span, sym}; +use rustc_span::Span; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt; declare_clippy_lint! { @@ -177,7 +177,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { }, ExprKind::MethodCall(name, recv, [], _) => { - if is_trait_method(cx, e, sym::Into) && name.ident.as_str() == "into" { + if is_trait_method(cx, e, sym::Into) && name.ident.name == sym::into { let a = cx.typeck_results().expr_ty(e); let b = cx.typeck_results().expr_ty(recv); if same_type_and_consts(a, b) { @@ -298,6 +298,33 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { // implements Copy, in which case .into_iter() returns a copy of the receiver and // cannot be safely omitted. if same_type_and_consts(a, b) && !is_copy(cx, b) { + // Below we check if the parent method call meets the following conditions: + // 1. First parameter is `&mut self` (requires mutable reference) + // 2. Second parameter implements the `FnMut` trait (e.g., Iterator::any) + // For methods satisfying these conditions (like any), .into_iter() must be preserved. + if let Some(parent) = get_parent_expr(cx, e) + && let ExprKind::MethodCall(_, recv, _, _) = parent.kind + && recv.hir_id == e.hir_id + && let Some(def_id) = cx.typeck_results().type_dependent_def_id(parent.hir_id) + && let sig = cx.tcx.fn_sig(def_id).skip_binder().skip_binder() + && let inputs = sig.inputs() + && inputs.len() >= 2 + && let Some(self_ty) = inputs.first() + && let ty::Ref(_, _, Mutability::Mut) = self_ty.kind() + && let Some(second_ty) = inputs.get(1) + && let predicates = cx.tcx.param_env(def_id).caller_bounds() + && predicates.iter().any(|pred| { + if let ty::ClauseKind::Trait(trait_pred) = pred.kind().skip_binder() { + trait_pred.self_ty() == *second_ty + && cx.tcx.lang_items().fn_mut_trait() == Some(trait_pred.def_id()) + } else { + false + } + }) + { + return; + } + let sugg = snippet(cx, recv.span, "<expr>").into_owned(); span_lint_and_sugg( cx, diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index 812c4df4ddd..3a08531cf1c 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -1,4 +1,4 @@ -use clippy_utils::{MaybePath, get_attr, higher, path_def_id}; +use clippy_utils::{MaybePath, get_attr, higher, path_def_id, sym}; use itertools::Itertools; use rustc_ast::LitIntType; use rustc_ast::ast::{LitFloatType, LitKind}; @@ -826,5 +826,5 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn has_attr(cx: &LateContext<'_>, hir_id: HirId) -> bool { let attrs = cx.tcx.hir_attrs(hir_id); - get_attr(cx.sess(), attrs, "author").count() > 0 + get_attr(cx.sess(), attrs, sym::author).count() > 0 } diff --git a/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs b/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs index 9910be9bc28..d6cf07fdaf3 100644 --- a/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs +++ b/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs @@ -1,4 +1,4 @@ -use clippy_utils::get_attr; +use clippy_utils::{get_attr, sym}; use hir::TraitItem; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass, LintContext}; @@ -60,5 +60,5 @@ impl<'tcx> LateLintPass<'tcx> for DumpHir { fn has_attr(cx: &LateContext<'_>, hir_id: hir::HirId) -> bool { let attrs = cx.tcx.hir_attrs(hir_id); - get_attr(cx.sess(), attrs, "dump").count() > 0 + get_attr(cx.sess(), attrs, sym::dump).count() > 0 } diff --git a/src/tools/clippy/clippy_lints/src/vec.rs b/src/tools/clippy/clippy_lints/src/vec.rs index 3346b15dae9..7b6a25123e8 100644 --- a/src/tools/clippy/clippy_lints/src/vec.rs +++ b/src/tools/clippy/clippy_lints/src/vec.rs @@ -8,14 +8,14 @@ use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::SpanRangeExt; use clippy_utils::ty::is_copy; use clippy_utils::visitors::for_each_local_use_after_expr; -use clippy_utils::{get_parent_expr, higher, is_in_test, is_trait_method, span_contains_comment}; +use clippy_utils::{get_parent_expr, higher, is_in_test, is_trait_method, span_contains_comment, sym}; use rustc_errors::Applicability; use rustc_hir::{BorrowKind, Expr, ExprKind, HirId, LetStmt, Mutability, Node, Pat, PatKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_middle::ty::layout::LayoutOf; use rustc_session::impl_lint_pass; -use rustc_span::{DesugaringKind, Span, sym}; +use rustc_span::{DesugaringKind, Span}; pub struct UselessVec { too_large_for_stack: u64, @@ -249,10 +249,8 @@ fn adjusts_to_slice(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { /// that also exists on slices. If this returns true, it means that /// this expression does not actually require a `Vec` and could just work with an array. pub fn is_allowed_vec_method(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { - const ALLOWED_METHOD_NAMES: &[&str] = &["len", "as_ptr", "is_empty"]; - if let ExprKind::MethodCall(path, _, [], _) = e.kind { - ALLOWED_METHOD_NAMES.contains(&path.ident.name.as_str()) + matches!(path.ident.name, sym::as_ptr | sym::is_empty | sym::len) } else { is_trait_method(cx, e, sym::IntoIterator) } diff --git a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs index 24b1381ba45..1550872bca2 100644 --- a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs +++ b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs @@ -51,9 +51,11 @@ impl LateLintPass<'_> for ZeroSizedMapValues { && (is_type_diagnostic_item(cx, ty, sym::HashMap) || is_type_diagnostic_item(cx, ty, sym::BTreeMap)) && let ty::Adt(_, args) = ty.kind() && let ty = args.type_at(1) - // Fixes https://github.com/rust-lang/rust-clippy/issues/7447 because of - // https://github.com/rust-lang/rust/blob/master/compiler/rustc_middle/src/ty/sty.rs#L968 - && !ty.has_escaping_bound_vars() + // Ensure that no type information is missing, to avoid a delayed bug in the compiler if this is not the case. + // This might happen when computing a reference/pointer metadata on a type for which we + // cannot check if it is `Sized` or not, such as an incomplete associated type in a + // type alias. See an example in `issue14822()` of `tests/ui/zero_sized_hashmap_values.rs`. + && !ty.has_non_region_param() && let Ok(layout) = cx.layout_of(ty) && layout.is_zst() { diff --git a/src/tools/clippy/clippy_lints_internal/src/almost_standard_lint_formulation.rs b/src/tools/clippy/clippy_lints_internal/src/almost_standard_lint_formulation.rs index 4fd5ea459a5..311f76fee6b 100644 --- a/src/tools/clippy/clippy_lints_internal/src/almost_standard_lint_formulation.rs +++ b/src/tools/clippy/clippy_lints_internal/src/almost_standard_lint_formulation.rs @@ -3,8 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_help; use regex::Regex; use rustc_hir::{Attribute, Item, ItemKind, Mutability}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_lint_defs::declare_tool_lint; -use rustc_session::impl_lint_pass; +use rustc_session::{declare_tool_lint, impl_lint_pass}; declare_tool_lint! { /// ### What it does diff --git a/src/tools/clippy/clippy_lints_internal/src/collapsible_calls.rs b/src/tools/clippy/clippy_lints_internal/src/collapsible_calls.rs index 407deb45db0..7c9e7286925 100644 --- a/src/tools/clippy/clippy_lints_internal/src/collapsible_calls.rs +++ b/src/tools/clippy/clippy_lints_internal/src/collapsible_calls.rs @@ -4,8 +4,7 @@ use clippy_utils::{SpanlessEq, is_lint_allowed, peel_blocks_with_stmt}; use rustc_errors::Applicability; use rustc_hir::{Closure, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_lint_defs::declare_tool_lint; -use rustc_session::declare_lint_pass; +use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::Span; use std::borrow::{Borrow, Cow}; diff --git a/src/tools/clippy/clippy_lints_internal/src/lib.rs b/src/tools/clippy/clippy_lints_internal/src/lib.rs index 43cde86504f..0c94d100c41 100644 --- a/src/tools/clippy/clippy_lints_internal/src/lib.rs +++ b/src/tools/clippy/clippy_lints_internal/src/lib.rs @@ -20,6 +20,7 @@ #![allow(clippy::missing_clippy_version_attribute)] extern crate rustc_ast; +extern crate rustc_attr_data_structures; extern crate rustc_attr_parsing; extern crate rustc_data_structures; extern crate rustc_errors; diff --git a/src/tools/clippy/clippy_lints_internal/src/lint_without_lint_pass.rs b/src/tools/clippy/clippy_lints_internal/src/lint_without_lint_pass.rs index 655d8fb8d1b..0edeef3ab85 100644 --- a/src/tools/clippy/clippy_lints_internal/src/lint_without_lint_pass.rs +++ b/src/tools/clippy/clippy_lints_internal/src/lint_without_lint_pass.rs @@ -10,9 +10,8 @@ use rustc_hir::hir_id::CRATE_HIR_ID; use rustc_hir::intravisit::Visitor; use rustc_hir::{ExprKind, HirId, Item, MutTy, Mutability, Path, TyKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_lint_defs::declare_tool_lint; use rustc_middle::hir::nested_filter; -use rustc_session::impl_lint_pass; +use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::source_map::Spanned; use rustc_span::symbol::Symbol; use rustc_span::{Span, sym}; diff --git a/src/tools/clippy/clippy_lints_internal/src/msrv_attr_impl.rs b/src/tools/clippy/clippy_lints_internal/src/msrv_attr_impl.rs index d48d8dc57b2..70b3c03d2bb 100644 --- a/src/tools/clippy/clippy_lints_internal/src/msrv_attr_impl.rs +++ b/src/tools/clippy/clippy_lints_internal/src/msrv_attr_impl.rs @@ -4,9 +4,8 @@ use clippy_utils::source::snippet; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass, LintContext}; -use rustc_lint_defs::declare_tool_lint; use rustc_middle::ty::{self, EarlyBinder, GenericArgKind}; -use rustc_session::declare_lint_pass; +use rustc_session::{declare_lint_pass, declare_tool_lint}; declare_tool_lint! { /// ### What it does @@ -38,7 +37,7 @@ impl LateLintPass<'_> for MsrvAttrImpl { .type_of(f.did) .instantiate_identity() .walk() - .filter(|t| matches!(t.unpack(), GenericArgKind::Type(_))) + .filter(|t| matches!(t.kind(), GenericArgKind::Type(_))) .any(|t| internal_paths::MSRV_STACK.matches_ty(cx, t.expect_ty())) }) && !items.iter().any(|item| item.ident.name.as_str() == "check_attributes") diff --git a/src/tools/clippy/clippy_lints_internal/src/outer_expn_data_pass.rs b/src/tools/clippy/clippy_lints_internal/src/outer_expn_data_pass.rs index 40951443a48..5cdc66ae905 100644 --- a/src/tools/clippy/clippy_lints_internal/src/outer_expn_data_pass.rs +++ b/src/tools/clippy/clippy_lints_internal/src/outer_expn_data_pass.rs @@ -1,12 +1,11 @@ use crate::internal_paths; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::{is_lint_allowed, method_calls}; +use clippy_utils::{is_lint_allowed, method_calls, sym}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; use rustc_lint_defs::declare_tool_lint; use rustc_session::declare_lint_pass; -use rustc_span::symbol::Symbol; declare_tool_lint! { /// ### What it does @@ -40,8 +39,7 @@ impl<'tcx> LateLintPass<'tcx> for OuterExpnDataPass { } let (method_names, arg_lists, spans) = method_calls(expr, 2); - let method_names: Vec<&str> = method_names.iter().map(Symbol::as_str).collect(); - if let ["expn_data", "outer_expn"] = method_names.as_slice() + if let [sym::expn_data, sym::outer_expn] = method_names.as_slice() && let (self_arg, args) = arg_lists[1] && args.is_empty() && let self_ty = cx.typeck_results().expr_ty(self_arg).peel_refs() diff --git a/src/tools/clippy/clippy_lints_internal/src/produce_ice.rs b/src/tools/clippy/clippy_lints_internal/src/produce_ice.rs index 14e93dc6d5f..3a813b4b9a2 100644 --- a/src/tools/clippy/clippy_lints_internal/src/produce_ice.rs +++ b/src/tools/clippy/clippy_lints_internal/src/produce_ice.rs @@ -1,8 +1,7 @@ use rustc_ast::ast::NodeId; use rustc_ast::visit::FnKind; use rustc_lint::{EarlyContext, EarlyLintPass, LintContext}; -use rustc_lint_defs::declare_tool_lint; -use rustc_session::declare_lint_pass; +use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::Span; declare_tool_lint! { diff --git a/src/tools/clippy/clippy_lints_internal/src/symbols.rs b/src/tools/clippy/clippy_lints_internal/src/symbols.rs index 5aee545fb0f..7b5d58824c3 100644 --- a/src/tools/clippy/clippy_lints_internal/src/symbols.rs +++ b/src/tools/clippy/clippy_lints_internal/src/symbols.rs @@ -6,10 +6,9 @@ use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::{Expr, ExprKind, Lit, Node, Pat, PatExprKind, PatKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_lint_defs::declare_tool_lint; use rustc_middle::mir::ConstValue; use rustc_middle::ty; -use rustc_session::impl_lint_pass; +use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::symbol::Symbol; use rustc_span::{Span, sym}; diff --git a/src/tools/clippy/clippy_lints_internal/src/unsorted_clippy_utils_paths.rs b/src/tools/clippy/clippy_lints_internal/src/unsorted_clippy_utils_paths.rs index 8e281ecb2ee..9ca4ae31d45 100644 --- a/src/tools/clippy/clippy_lints_internal/src/unsorted_clippy_utils_paths.rs +++ b/src/tools/clippy/clippy_lints_internal/src/unsorted_clippy_utils_paths.rs @@ -1,8 +1,8 @@ use clippy_utils::diagnostics::span_lint; +use clippy_utils::sym; use rustc_ast::ast::{Crate, ItemKind, ModKind}; use rustc_lint::{EarlyContext, EarlyLintPass}; -use rustc_lint_defs::declare_tool_lint; -use rustc_session::declare_lint_pass; +use rustc_session::{declare_lint_pass, declare_tool_lint}; declare_tool_lint! { /// ### What it does @@ -26,11 +26,11 @@ impl EarlyLintPass for UnsortedClippyUtilsPaths { if let Some(utils) = krate .items .iter() - .find(|item| item.kind.ident().is_some_and(|i| i.name.as_str() == "utils")) + .find(|item| item.kind.ident().is_some_and(|i| i.name == sym::utils)) && let ItemKind::Mod(_, _, ModKind::Loaded(ref items, ..)) = utils.kind && let Some(paths) = items .iter() - .find(|item| item.kind.ident().is_some_and(|i| i.name.as_str() == "paths")) + .find(|item| item.kind.ident().is_some_and(|i| i.name == sym::paths)) && let ItemKind::Mod(_, _, ModKind::Loaded(ref items, ..)) = paths.kind { let mut last_name: Option<String> = None; diff --git a/src/tools/clippy/clippy_utils/Cargo.toml b/src/tools/clippy/clippy_utils/Cargo.toml index ac970e1c4b0..615c0995e8b 100644 --- a/src/tools/clippy/clippy_utils/Cargo.toml +++ b/src/tools/clippy/clippy_utils/Cargo.toml @@ -1,8 +1,6 @@ [package] name = "clippy_utils" -# begin autogenerated version version = "0.1.89" -# end autogenerated version edition = "2024" description = "Helpful tools for writing lints, provided as they are used in Clippy" repository = "https://github.com/rust-lang/rust-clippy" diff --git a/src/tools/clippy/clippy_utils/README.md b/src/tools/clippy/clippy_utils/README.md index d4080d06d3c..efbacbd72db 100644 --- a/src/tools/clippy/clippy_utils/README.md +++ b/src/tools/clippy/clippy_utils/README.md @@ -8,7 +8,7 @@ This crate is only guaranteed to build with this `nightly` toolchain: <!-- begin autogenerated nightly --> ``` -nightly-2025-05-14 +nightly-2025-05-31 ``` <!-- end autogenerated nightly --> diff --git a/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs b/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs index 8996b694ed8..6c186ab4a6f 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs @@ -436,11 +436,11 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { && over(lb, rb, eq_generic_bound) && both(lt.as_ref(), rt.as_ref(), |l, r| eq_ty(l, r)) }, - (Enum(li, le, lg), Enum(ri, re, rg)) => { - eq_id(*li, *ri) && over(&le.variants, &re.variants, eq_variant) && eq_generics(lg, rg) + (Enum(li, lg, le), Enum(ri, rg, re)) => { + eq_id(*li, *ri) && eq_generics(lg, rg) && over(&le.variants, &re.variants, eq_variant) }, - (Struct(li, lv, lg), Struct(ri, rv, rg)) | (Union(li, lv, lg), Union(ri, rv, rg)) => { - eq_id(*li, *ri) && eq_variant_data(lv, rv) && eq_generics(lg, rg) + (Struct(li, lg, lv), Struct(ri, rg, rv)) | (Union(li, lg, lv), Union(ri, rg, rv)) => { + eq_id(*li, *ri) && eq_generics(lg, rg) && eq_variant_data(lv, rv) }, ( Trait(box ast::Trait { diff --git a/src/tools/clippy/clippy_utils/src/attrs.rs b/src/tools/clippy/clippy_utils/src/attrs.rs index 09de5c05537..8a0ff5323c9 100644 --- a/src/tools/clippy/clippy_utils/src/attrs.rs +++ b/src/tools/clippy/clippy_utils/src/attrs.rs @@ -5,11 +5,11 @@ use rustc_lexer::TokenKind; use rustc_lint::LateContext; use rustc_middle::ty::{AdtDef, TyCtxt}; use rustc_session::Session; -use rustc_span::{Span, sym}; +use rustc_span::{Span, Symbol}; use std::str::FromStr; use crate::source::SpanRangeExt; -use crate::tokenize_with_text; +use crate::{sym, tokenize_with_text}; /// Deprecation status of attributes known by Clippy. pub enum DeprecationStatus { @@ -21,17 +21,17 @@ pub enum DeprecationStatus { } #[rustfmt::skip] -pub const BUILTIN_ATTRIBUTES: &[(&str, DeprecationStatus)] = &[ - ("author", DeprecationStatus::None), - ("version", DeprecationStatus::None), - ("cognitive_complexity", DeprecationStatus::None), - ("cyclomatic_complexity", DeprecationStatus::Replaced("cognitive_complexity")), - ("dump", DeprecationStatus::None), - ("msrv", DeprecationStatus::None), +pub const BUILTIN_ATTRIBUTES: &[(Symbol, DeprecationStatus)] = &[ + (sym::author, DeprecationStatus::None), + (sym::version, DeprecationStatus::None), + (sym::cognitive_complexity, DeprecationStatus::None), + (sym::cyclomatic_complexity, DeprecationStatus::Replaced("cognitive_complexity")), + (sym::dump, DeprecationStatus::None), + (sym::msrv, DeprecationStatus::None), // The following attributes are for the 3rd party crate authors. // See book/src/attribs.md - ("has_significant_drop", DeprecationStatus::None), - ("format_args", DeprecationStatus::None), + (sym::has_significant_drop, DeprecationStatus::None), + (sym::format_args, DeprecationStatus::None), ]; pub struct LimitStack { @@ -52,11 +52,11 @@ impl LimitStack { pub fn limit(&self) -> u64 { *self.stack.last().expect("there should always be a value in the stack") } - pub fn push_attrs(&mut self, sess: &Session, attrs: &[impl AttributeExt], name: &'static str) { + pub fn push_attrs(&mut self, sess: &Session, attrs: &[impl AttributeExt], name: Symbol) { let stack = &mut self.stack; parse_attrs(sess, attrs, name, |val| stack.push(val)); } - pub fn pop_attrs(&mut self, sess: &Session, attrs: &[impl AttributeExt], name: &'static str) { + pub fn pop_attrs(&mut self, sess: &Session, attrs: &[impl AttributeExt], name: Symbol) { let stack = &mut self.stack; parse_attrs(sess, attrs, name, |val| assert_eq!(stack.pop(), Some(val))); } @@ -65,7 +65,7 @@ impl LimitStack { pub fn get_attr<'a, A: AttributeExt + 'a>( sess: &'a Session, attrs: &'a [A], - name: &'static str, + name: Symbol, ) -> impl Iterator<Item = &'a A> { attrs.iter().filter(move |attr| { let Some(attr_segments) = attr.ident_path() else { @@ -75,8 +75,8 @@ pub fn get_attr<'a, A: AttributeExt + 'a>( if attr_segments.len() == 2 && attr_segments[0].name == sym::clippy { BUILTIN_ATTRIBUTES .iter() - .find_map(|&(builtin_name, ref deprecation_status)| { - if attr_segments[1].name.as_str() == builtin_name { + .find_map(|(builtin_name, deprecation_status)| { + if attr_segments[1].name == *builtin_name { Some(deprecation_status) } else { None @@ -108,7 +108,7 @@ pub fn get_attr<'a, A: AttributeExt + 'a>( }, DeprecationStatus::None => { diag.cancel(); - attr_segments[1].as_str() == name + attr_segments[1].name == name }, } }, @@ -119,9 +119,9 @@ pub fn get_attr<'a, A: AttributeExt + 'a>( }) } -fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[impl AttributeExt], name: &'static str, mut f: F) { +fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[impl AttributeExt], name: Symbol, mut f: F) { for attr in get_attr(sess, attrs, name) { - if let Some(ref value) = attr.value_str() { + if let Some(value) = attr.value_str() { if let Ok(value) = FromStr::from_str(value.as_str()) { f(value); } else { @@ -133,7 +133,7 @@ fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[impl AttributeExt], name: } } -pub fn get_unique_attr<'a, A: AttributeExt>(sess: &'a Session, attrs: &'a [A], name: &'static str) -> Option<&'a A> { +pub fn get_unique_attr<'a, A: AttributeExt>(sess: &'a Session, attrs: &'a [A], name: Symbol) -> Option<&'a A> { let mut unique_attr: Option<&A> = None; for attr in get_attr(sess, attrs, name) { if let Some(duplicate) = unique_attr { diff --git a/src/tools/clippy/clippy_utils/src/check_proc_macro.rs b/src/tools/clippy/clippy_utils/src/check_proc_macro.rs index 004c840c331..407e92d88fb 100644 --- a/src/tools/clippy/clippy_utils/src/check_proc_macro.rs +++ b/src/tools/clippy/clippy_utils/src/check_proc_macro.rs @@ -249,7 +249,7 @@ fn item_search_pat(item: &Item<'_>) -> (Pat, Pat) { ItemKind::ForeignMod { .. } => (Pat::Str("extern"), Pat::Str("}")), ItemKind::TyAlias(..) => (Pat::Str("type"), Pat::Str(";")), ItemKind::Enum(..) => (Pat::Str("enum"), Pat::Str("}")), - ItemKind::Struct(_, VariantData::Struct { .. }, _) => (Pat::Str("struct"), Pat::Str("}")), + ItemKind::Struct(_, _, VariantData::Struct { .. }) => (Pat::Str("struct"), Pat::Str("}")), ItemKind::Struct(..) => (Pat::Str("struct"), Pat::Str(";")), ItemKind::Union(..) => (Pat::Str("union"), Pat::Str("}")), ItemKind::Trait(_, Safety::Unsafe, ..) diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index b9928b8eed4..1ec5d11384f 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -235,9 +235,7 @@ impl Constant<'_> { _ => None, }, (Self::Vec(l), Self::Vec(r)) => { - let (ty::Array(cmp_type, _) | ty::Slice(cmp_type)) = *cmp_type.kind() else { - return None; - }; + let cmp_type = cmp_type.builtin_index()?; iter::zip(l, r) .map(|(li, ri)| Self::partial_cmp(tcx, cmp_type, li, ri)) .find(|r| r.is_none_or(|o| o != Ordering::Equal)) @@ -487,7 +485,7 @@ impl<'tcx> ConstEvalCtxt<'tcx> { ExprKind::Path(ref qpath) => self.qpath(qpath, e.hir_id), ExprKind::Block(block, _) => self.block(block), ExprKind::Lit(lit) => { - if is_direct_expn_of(e.span, "cfg").is_some() { + if is_direct_expn_of(e.span, sym::cfg).is_some() { None } else { Some(lit_to_mir_constant(&lit.node, self.typeck.expr_ty_opt(e))) @@ -565,7 +563,7 @@ impl<'tcx> ConstEvalCtxt<'tcx> { }) }, ExprKind::Lit(lit) => { - if is_direct_expn_of(e.span, "cfg").is_some() { + if is_direct_expn_of(e.span, sym::cfg).is_some() { None } else { match &lit.node { @@ -654,7 +652,7 @@ impl<'tcx> ConstEvalCtxt<'tcx> { span, .. }) = self.tcx.hir_node(body_id.hir_id) - && is_direct_expn_of(*span, "cfg").is_some() + && is_direct_expn_of(*span, sym::cfg).is_some() { return None; } diff --git a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs index 4543a20cc2c..9d38672efad 100644 --- a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs +++ b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs @@ -10,6 +10,7 @@ //! - option-if-let-else use crate::consts::{ConstEvalCtxt, FullInt}; +use crate::sym; use crate::ty::{all_predicates_of, is_copy}; use crate::visitors::is_const_evaluatable; use rustc_hir::def::{DefKind, Res}; @@ -19,7 +20,7 @@ use rustc_hir::{BinOpKind, Block, Expr, ExprKind, QPath, UnOp}; use rustc_lint::LateContext; use rustc_middle::ty; use rustc_middle::ty::adjustment::Adjust; -use rustc_span::{Symbol, sym}; +use rustc_span::Symbol; use std::{cmp, ops}; #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] @@ -49,14 +50,13 @@ impl ops::BitOrAssign for EagernessSuggestion { /// Determine the eagerness of the given function call. fn fn_eagerness(cx: &LateContext<'_>, fn_id: DefId, name: Symbol, have_one_arg: bool) -> EagernessSuggestion { use EagernessSuggestion::{Eager, Lazy, NoChange}; - let name = name.as_str(); let ty = match cx.tcx.impl_of_method(fn_id) { Some(id) => cx.tcx.type_of(id).instantiate_identity(), None => return Lazy, }; - if (name.starts_with("as_") || name == "len" || name == "is_empty") && have_one_arg { + if (matches!(name, sym::is_empty | sym::len) || name.as_str().starts_with("as_")) && have_one_arg { if matches!( cx.tcx.crate_name(fn_id.krate), sym::std | sym::core | sym::alloc | sym::proc_macro diff --git a/src/tools/clippy/clippy_utils/src/higher.rs b/src/tools/clippy/clippy_utils/src/higher.rs index dbb99348290..6971b488013 100644 --- a/src/tools/clippy/clippy_utils/src/higher.rs +++ b/src/tools/clippy/clippy_utils/src/higher.rs @@ -299,7 +299,7 @@ impl<'a> VecArgs<'a> { pub fn hir(cx: &LateContext<'_>, expr: &'a Expr<'_>) -> Option<VecArgs<'a>> { if let ExprKind::Call(fun, args) = expr.kind && let ExprKind::Path(ref qpath) = fun.kind - && is_expn_of(fun.span, "vec").is_some() + && is_expn_of(fun.span, sym::vec).is_some() && let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id() { return if cx.tcx.is_diagnostic_item(sym::vec_from_elem, fun_def_id) && args.len() == 2 { diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 0a9c39c41bd..f6ef638e618 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -25,8 +25,10 @@ // FIXME: switch to something more ergonomic here, once available. // (Currently there is no way to opt into sysroot crates without `extern crate`.) +extern crate indexmap; extern crate rustc_abi; extern crate rustc_ast; +extern crate rustc_attr_data_structures; extern crate rustc_attr_parsing; extern crate rustc_const_eval; extern crate rustc_data_structures; @@ -81,17 +83,16 @@ pub use self::hir_utils::{ use core::mem; use core::ops::ControlFlow; use std::collections::hash_map::Entry; -use std::hash::BuildHasherDefault; use std::iter::{once, repeat_n}; use std::sync::{Mutex, MutexGuard, OnceLock}; use itertools::Itertools; use rustc_abi::Integer; use rustc_ast::ast::{self, LitKind, RangeLimits}; -use rustc_attr_parsing::{AttributeKind, find_attr}; +use rustc_attr_data_structures::{AttributeKind, find_attr}; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::packed::Pu128; -use rustc_data_structures::unhash::UnhashMap; +use rustc_data_structures::unhash::UnindexMap; use rustc_hir::LangItem::{OptionNone, OptionSome, ResultErr, ResultOk}; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId, LocalModDefId}; @@ -523,12 +524,8 @@ pub fn path_def_id<'tcx>(cx: &LateContext<'_>, maybe_path: &impl MaybePath<'tcx> /// } /// } /// ``` -pub fn trait_ref_of_method<'tcx>(cx: &LateContext<'tcx>, def_id: LocalDefId) -> Option<&'tcx TraitRef<'tcx>> { - // Get the implemented trait for the current function - let hir_id = cx.tcx.local_def_id_to_hir_id(def_id); - let parent_impl = cx.tcx.hir_get_parent_item(hir_id); - if parent_impl != hir::CRATE_OWNER_ID - && let Node::Item(item) = cx.tcx.hir_node_by_def_id(parent_impl.def_id) +pub fn trait_ref_of_method<'tcx>(cx: &LateContext<'tcx>, owner: OwnerId) -> Option<&'tcx TraitRef<'tcx>> { + if let Node::Item(item) = cx.tcx.hir_node(cx.tcx.hir_owner_parent(owner)) && let ItemKind::Impl(impl_) = &item.kind { return impl_.of_trait.as_ref(); @@ -1101,13 +1098,13 @@ pub fn method_calls<'tcx>(expr: &'tcx Expr<'tcx>, max_depth: usize) -> (Vec<Symb /// `method_chain_args(expr, &["bar", "baz"])` will return a `Vec` /// containing the `Expr`s for /// `.bar()` and `.baz()` -pub fn method_chain_args<'a>(expr: &'a Expr<'_>, methods: &[&str]) -> Option<Vec<(&'a Expr<'a>, &'a [Expr<'a>])>> { +pub fn method_chain_args<'a>(expr: &'a Expr<'_>, methods: &[Symbol]) -> Option<Vec<(&'a Expr<'a>, &'a [Expr<'a>])>> { let mut current = expr; let mut matched = Vec::with_capacity(methods.len()); for method_name in methods.iter().rev() { // method chains are stored last -> first if let ExprKind::MethodCall(path, receiver, args, _) = current.kind { - if path.ident.name.as_str() == *method_name { + if path.ident.name == *method_name { if receiver.span.from_expansion() || args.iter().any(|e| e.span.from_expansion()) { return None; } @@ -1493,14 +1490,14 @@ pub fn is_adjusted(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { /// macro `name`. /// See also [`is_direct_expn_of`]. #[must_use] -pub fn is_expn_of(mut span: Span, name: &str) -> Option<Span> { +pub fn is_expn_of(mut span: Span, name: Symbol) -> Option<Span> { loop { if span.from_expansion() { let data = span.ctxt().outer_expn_data(); let new_span = data.call_site; if let ExpnKind::Macro(MacroKind::Bang, mac_name) = data.kind - && mac_name.as_str() == name + && mac_name == name { return Some(new_span); } @@ -1523,13 +1520,13 @@ pub fn is_expn_of(mut span: Span, name: &str) -> Option<Span> { /// `42` is considered expanded from `foo!` and `bar!` by `is_expn_of` but only /// from `bar!` by `is_direct_expn_of`. #[must_use] -pub fn is_direct_expn_of(span: Span, name: &str) -> Option<Span> { +pub fn is_direct_expn_of(span: Span, name: Symbol) -> Option<Span> { if span.from_expansion() { let data = span.ctxt().outer_expn_data(); let new_span = data.call_site; if let ExpnKind::Macro(MacroKind::Bang, mac_name) = data.kind - && mac_name.as_str() == name + && mac_name == name { return Some(new_span); } @@ -1568,10 +1565,10 @@ pub fn is_ctor_or_promotable_const_function(cx: &LateContext<'_>, expr: &Expr<'_ /// Returns `true` if a pattern is refutable. // TODO: should be implemented using rustc/mir_build/thir machinery pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { - fn is_enum_variant(cx: &LateContext<'_>, qpath: &QPath<'_>, id: HirId) -> bool { - matches!( + fn is_qpath_refutable(cx: &LateContext<'_>, qpath: &QPath<'_>, id: HirId) -> bool { + !matches!( cx.qpath_res(qpath, id), - Res::Def(DefKind::Variant, ..) | Res::Def(DefKind::Ctor(def::CtorOf::Variant, _), _) + Res::Def(DefKind::Struct, ..) | Res::Def(DefKind::Ctor(def::CtorOf::Struct, _), _) ) } @@ -1588,16 +1585,18 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { kind: PatExprKind::Path(qpath), hir_id, .. - }) => is_enum_variant(cx, qpath, *hir_id), + }) => is_qpath_refutable(cx, qpath, *hir_id), PatKind::Or(pats) => { // TODO: should be the honest check, that pats is exhaustive set are_refutable(cx, pats) }, PatKind::Tuple(pats, _) => are_refutable(cx, pats), PatKind::Struct(ref qpath, fields, _) => { - is_enum_variant(cx, qpath, pat.hir_id) || are_refutable(cx, fields.iter().map(|field| field.pat)) + is_qpath_refutable(cx, qpath, pat.hir_id) || are_refutable(cx, fields.iter().map(|field| field.pat)) + }, + PatKind::TupleStruct(ref qpath, pats, _) => { + is_qpath_refutable(cx, qpath, pat.hir_id) || are_refutable(cx, pats) }, - PatKind::TupleStruct(ref qpath, pats, _) => is_enum_variant(cx, qpath, pat.hir_id) || are_refutable(cx, pats), PatKind::Slice(head, middle, tail) => { match &cx.typeck_results().node_type(pat.hir_id).kind() { rustc_ty::Slice(..) => { @@ -1793,11 +1792,11 @@ pub fn in_automatically_derived(tcx: TyCtxt<'_>, id: HirId) -> bool { } /// Checks if the given `DefId` matches the `libc` item. -pub fn match_libc_symbol(cx: &LateContext<'_>, did: DefId, name: &str) -> bool { +pub fn match_libc_symbol(cx: &LateContext<'_>, did: DefId, name: Symbol) -> bool { let path = cx.get_def_path(did); // libc is meant to be used as a flat list of names, but they're all actually defined in different // modules based on the target platform. Ignore everything but crate name and the item name. - path.first().is_some_and(|s| *s == sym::libc) && path.last().is_some_and(|s| s.as_str() == name) + path.first().is_some_and(|s| *s == sym::libc) && path.last().copied() == Some(name) } /// Returns the list of condition expressions and the list of blocks in a @@ -2196,45 +2195,46 @@ pub fn is_slice_of_primitives(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<S None } -/// Returns list of all pairs `(a, b)` where `eq(a, b) == true` -/// and `a` is before `b` in `exprs` for all `a` and `b` in -/// `exprs` +/// Returns a list of groups where elements in each group are equal according to `eq` +/// +/// - Within each group the elements are sorted by the order they appear in `exprs` +/// - The groups themselves are sorted by their first element's appearence in `exprs` /// /// Given functions `eq` and `hash` such that `eq(a, b) == true` /// implies `hash(a) == hash(b)` -pub fn search_same<T, Hash, Eq>(exprs: &[T], mut hash: Hash, mut eq: Eq) -> Vec<(&T, &T)> +pub fn search_same<T, Hash, Eq>(exprs: &[T], mut hash: Hash, mut eq: Eq) -> Vec<Vec<&T>> where Hash: FnMut(&T) -> u64, Eq: FnMut(&T, &T) -> bool, { match exprs { - [a, b] if eq(a, b) => return vec![(a, b)], + [a, b] if eq(a, b) => return vec![vec![a, b]], _ if exprs.len() <= 2 => return vec![], _ => {}, } - let mut match_expr_list: Vec<(&T, &T)> = Vec::new(); - - let mut map: UnhashMap<u64, Vec<&_>> = - UnhashMap::with_capacity_and_hasher(exprs.len(), BuildHasherDefault::default()); + let mut buckets: UnindexMap<u64, Vec<Vec<&T>>> = UnindexMap::default(); for expr in exprs { - match map.entry(hash(expr)) { - Entry::Occupied(mut o) => { - for o in o.get() { - if eq(o, expr) { - match_expr_list.push((o, expr)); - } + match buckets.entry(hash(expr)) { + indexmap::map::Entry::Occupied(mut o) => { + let bucket = o.get_mut(); + match bucket.iter_mut().find(|group| eq(expr, group[0])) { + Some(group) => group.push(expr), + None => bucket.push(vec![expr]), } - o.get_mut().push(expr); }, - Entry::Vacant(v) => { - v.insert(vec![expr]); + indexmap::map::Entry::Vacant(v) => { + v.insert(vec![vec![expr]]); }, } } - match_expr_list + buckets + .into_values() + .flatten() + .filter(|group| group.len() > 1) + .collect() } /// Peels off all references on the pattern. Returns the underlying pattern and the number of @@ -2364,7 +2364,7 @@ fn with_test_item_names(tcx: TyCtxt<'_>, module: LocalModDefId, f: impl FnOnce(& for id in tcx.hir_module_free_items(module) { if matches!(tcx.def_kind(id.owner_id), DefKind::Const) && let item = tcx.hir_item(id) - && let ItemKind::Const(ident, ty, _generics, _body) = item.kind + && let ItemKind::Const(ident, _generics, ty, _body) = item.kind && let TyKind::Path(QPath::Resolved(_, path)) = ty.kind // We could also check for the type name `test::TestDescAndFn` && let Res::Def(DefKind::Struct, _) = path.res @@ -3318,7 +3318,7 @@ pub fn leaks_droppable_temporary_with_limited_lifetime<'tcx>(cx: &LateContext<'t if temporary_ty.has_significant_drop(cx.tcx, cx.typing_env()) && temporary_ty .walk() - .any(|arg| matches!(arg.unpack(), GenericArgKind::Lifetime(re) if !re.is_static())) + .any(|arg| matches!(arg.kind(), GenericArgKind::Lifetime(re) if !re.is_static())) { ControlFlow::Break(()) } else { diff --git a/src/tools/clippy/clippy_utils/src/macros.rs b/src/tools/clippy/clippy_utils/src/macros.rs index dfb30b9c218..ba126fcd05d 100644 --- a/src/tools/clippy/clippy_utils/src/macros.rs +++ b/src/tools/clippy/clippy_utils/src/macros.rs @@ -2,8 +2,8 @@ use std::sync::{Arc, OnceLock}; -use crate::get_unique_attr; use crate::visitors::{Descend, for_each_expr_without_closures}; +use crate::{get_unique_attr, sym}; use arrayvec::ArrayVec; use rustc_ast::{FormatArgs, FormatArgument, FormatPlaceholder}; @@ -12,7 +12,7 @@ use rustc_hir::{self as hir, Expr, ExprKind, HirId, Node, QPath}; use rustc_lint::{LateContext, LintContext}; use rustc_span::def_id::DefId; use rustc_span::hygiene::{self, MacroKind, SyntaxContext}; -use rustc_span::{BytePos, ExpnData, ExpnId, ExpnKind, Span, SpanData, Symbol, sym}; +use rustc_span::{BytePos, ExpnData, ExpnId, ExpnKind, Span, SpanData, Symbol}; use std::ops::ControlFlow; const FORMAT_MACRO_DIAG_ITEMS: &[Symbol] = &[ @@ -42,7 +42,7 @@ pub fn is_format_macro(cx: &LateContext<'_>, macro_def_id: DefId) -> bool { } else { // Allow users to tag any macro as being format!-like // TODO: consider deleting FORMAT_MACRO_DIAG_ITEMS and using just this method - get_unique_attr(cx.sess(), cx.tcx.get_attrs_unchecked(macro_def_id), "format_args").is_some() + get_unique_attr(cx.sess(), cx.tcx.get_attrs_unchecked(macro_def_id), sym::format_args).is_some() } } @@ -248,10 +248,10 @@ impl<'a> PanicExpn<'a> { let ExprKind::Path(QPath::Resolved(_, path)) = &callee.kind else { return None; }; - let name = path.segments.last().unwrap().ident.as_str(); + let name = path.segments.last().unwrap().ident.name; // This has no argument - if name == "panic_cold_explicit" { + if name == sym::panic_cold_explicit { return Some(Self::Empty); } @@ -259,18 +259,18 @@ impl<'a> PanicExpn<'a> { return None; }; let result = match name { - "panic" if arg.span.eq_ctxt(expr.span) => Self::Empty, - "panic" | "panic_str" => Self::Str(arg), - "panic_display" | "panic_cold_display" => { + sym::panic if arg.span.eq_ctxt(expr.span) => Self::Empty, + sym::panic | sym::panic_str => Self::Str(arg), + sym::panic_display | sym::panic_cold_display => { let ExprKind::AddrOf(_, _, e) = &arg.kind else { return None; }; Self::Display(e) }, - "panic_fmt" => Self::Format(arg), + sym::panic_fmt => Self::Format(arg), // Since Rust 1.52, `assert_{eq,ne}` macros expand to use: // `core::panicking::assert_failed(.., left_val, right_val, None | Some(format_args!(..)));` - "assert_failed" => { + sym::assert_failed => { // It should have 4 arguments in total (we already matched with the first argument, // so we're just checking for 3) if rest.len() != 3 { diff --git a/src/tools/clippy/clippy_utils/src/msrvs.rs b/src/tools/clippy/clippy_utils/src/msrvs.rs index 223a8649eb3..a5e66ad463b 100644 --- a/src/tools/clippy/clippy_utils/src/msrvs.rs +++ b/src/tools/clippy/clippy_utils/src/msrvs.rs @@ -1,7 +1,8 @@ use crate::sym; use rustc_ast::Attribute; use rustc_ast::attr::AttributeExt; -use rustc_attr_parsing::{RustcVersion, parse_version}; +use rustc_attr_data_structures::RustcVersion; +use rustc_attr_parsing::parse_version; use rustc_lint::LateContext; use rustc_session::Session; use rustc_span::Symbol; @@ -24,7 +25,7 @@ macro_rules! msrv_aliases { msrv_aliases! { 1,88,0 { LET_CHAINS } 1,87,0 { OS_STR_DISPLAY, INT_MIDPOINT, CONST_CHAR_IS_DIGIT } - 1,85,0 { UINT_FLOAT_MIDPOINT } + 1,85,0 { UINT_FLOAT_MIDPOINT, CONST_SIZE_OF_VAL } 1,84,0 { CONST_OPTION_AS_SLICE, MANUAL_DANGLING_PTR } 1,83,0 { CONST_EXTERN_FN, CONST_FLOAT_BITS_CONV, CONST_FLOAT_CLASSIFY, CONST_MUT_REFS, CONST_UNWRAP } 1,82,0 { IS_NONE_OR, REPEAT_N, RAW_REF_OP } diff --git a/src/tools/clippy/clippy_utils/src/paths.rs b/src/tools/clippy/clippy_utils/src/paths.rs index e5179e479cc..9d7f3086b05 100644 --- a/src/tools/clippy/clippy_utils/src/paths.rs +++ b/src/tools/clippy/clippy_utils/src/paths.rs @@ -129,6 +129,7 @@ path_macros! { // Paths in `core`/`alloc`/`std`. This should be avoided and cleaned up by adding diagnostic items. pub static ALIGN_OF: PathLookup = value_path!(core::mem::align_of); pub static CHAR_TO_DIGIT: PathLookup = value_path!(char::to_digit); +pub static CONCAT: PathLookup = macro_path!(core::concat); pub static IO_ERROR_NEW: PathLookup = value_path!(std::io::Error::new); pub static IO_ERRORKIND_OTHER_CTOR: PathLookup = value_path!(std::io::ErrorKind::Other); pub static ITER_STEP: PathLookup = type_path!(core::iter::Step); diff --git a/src/tools/clippy/clippy_utils/src/ptr.rs b/src/tools/clippy/clippy_utils/src/ptr.rs index 360c6251a57..5847e916e34 100644 --- a/src/tools/clippy/clippy_utils/src/ptr.rs +++ b/src/tools/clippy/clippy_utils/src/ptr.rs @@ -1,17 +1,17 @@ use crate::source::snippet; use crate::visitors::{Descend, for_each_expr_without_closures}; -use crate::{path_to_local_id, strip_pat_refs}; +use crate::{path_to_local_id, strip_pat_refs, sym}; use core::ops::ControlFlow; use rustc_hir::{Body, BodyId, ExprKind, HirId, PatKind}; use rustc_lint::LateContext; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use std::borrow::Cow; pub fn get_spans( cx: &LateContext<'_>, opt_body_id: Option<BodyId>, idx: usize, - replacements: &[(&'static str, &'static str)], + replacements: &[(Symbol, &'static str)], ) -> Option<Vec<(Span, Cow<'static, str>)>> { if let Some(body) = opt_body_id.map(|id| cx.tcx.hir_body(id)) { if let PatKind::Binding(_, binding_id, _, _) = strip_pat_refs(body.params[idx].pat).kind { @@ -27,7 +27,7 @@ pub fn get_spans( fn extract_clone_suggestions<'tcx>( cx: &LateContext<'tcx>, id: HirId, - replace: &[(&'static str, &'static str)], + replace: &[(Symbol, &'static str)], body: &'tcx Body<'_>, ) -> Option<Vec<(Span, Cow<'static, str>)>> { let mut spans = Vec::new(); @@ -35,11 +35,11 @@ fn extract_clone_suggestions<'tcx>( if let ExprKind::MethodCall(seg, recv, [], _) = e.kind && path_to_local_id(recv, id) { - if seg.ident.as_str() == "capacity" { + if seg.ident.name == sym::capacity { return ControlFlow::Break(()); } for &(fn_name, suffix) in replace { - if seg.ident.as_str() == fn_name { + if seg.ident.name == fn_name { spans.push((e.span, snippet(cx, recv.span, "_") + suffix)); return ControlFlow::Continue(Descend::No); } diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index 5d0401010db..5b4ec12cbec 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -5,7 +5,7 @@ use crate::msrvs::{self, Msrv}; use hir::LangItem; -use rustc_attr_parsing::{RustcVersion, StableSince}; +use rustc_attr_data_structures::{RustcVersion, StableSince}; use rustc_const_eval::check_consts::ConstCx; use rustc_hir as hir; use rustc_hir::def_id::DefId; @@ -55,7 +55,7 @@ pub fn is_min_const_fn<'tcx>(cx: &LateContext<'tcx>, body: &Body<'tcx>, msrv: Ms fn check_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Span, msrv: Msrv) -> McfResult { for arg in ty.walk() { - let ty = match arg.unpack() { + let ty = match arg.kind() { GenericArgKind::Type(ty) => ty, // No constraints on lifetimes or constants, except potentially @@ -393,7 +393,8 @@ fn check_terminator<'tcx>( } } -fn is_stable_const_fn(cx: &LateContext<'_>, def_id: DefId, msrv: Msrv) -> bool { +/// Checks if the given `def_id` is a stable const fn, in respect to the given MSRV. +pub fn is_stable_const_fn(cx: &LateContext<'_>, def_id: DefId, msrv: Msrv) -> bool { cx.tcx.is_const_fn(def_id) && cx .tcx @@ -404,7 +405,7 @@ fn is_stable_const_fn(cx: &LateContext<'_>, def_id: DefId, msrv: Msrv) -> bool { .and_then(|trait_def_id| cx.tcx.lookup_const_stability(trait_def_id)) }) .is_none_or(|const_stab| { - if let rustc_attr_parsing::StabilityLevel::Stable { since, .. } = const_stab.level { + if let rustc_attr_data_structures::StabilityLevel::Stable { since, .. } = const_stab.level { // Checking MSRV is manually necessary because `rustc` has no such concept. This entire // function could be removed if `rustc` provided a MSRV-aware version of `is_stable_const_fn`. // as a part of an unimplemented MSRV check https://github.com/rust-lang/rust/issues/65262. diff --git a/src/tools/clippy/clippy_utils/src/source.rs b/src/tools/clippy/clippy_utils/src/source.rs index 8645d5730fe..7f2bf99daff 100644 --- a/src/tools/clippy/clippy_utils/src/source.rs +++ b/src/tools/clippy/clippy_utils/src/source.rs @@ -7,13 +7,14 @@ use std::sync::Arc; use rustc_ast::{LitKind, StrStyle}; use rustc_errors::Applicability; use rustc_hir::{BlockCheckMode, Expr, ExprKind, UnsafeSource}; +use rustc_lexer::{LiteralKind, TokenKind, tokenize}; use rustc_lint::{EarlyContext, LateContext}; use rustc_middle::ty::TyCtxt; use rustc_session::Session; use rustc_span::source_map::{SourceMap, original_sp}; use rustc_span::{ - BytePos, DUMMY_SP, FileNameDisplayPreference, Pos, SourceFile, SourceFileAndLine, Span, SpanData, SyntaxContext, - hygiene, + BytePos, DUMMY_SP, FileNameDisplayPreference, Pos, RelativeBytePos, SourceFile, SourceFileAndLine, Span, SpanData, + SyntaxContext, hygiene, }; use std::borrow::Cow; use std::fmt; @@ -137,25 +138,25 @@ pub trait SpanRangeExt: SpanRange { fn map_range( self, cx: &impl HasSession, - f: impl for<'a> FnOnce(&'a str, Range<usize>) -> Option<Range<usize>>, + f: impl for<'a> FnOnce(&'a SourceFile, &'a str, Range<usize>) -> Option<Range<usize>>, ) -> Option<Range<BytePos>> { map_range(cx.sess().source_map(), self.into_range(), f) } #[allow(rustdoc::invalid_rust_codeblocks, reason = "The codeblock is intentionally broken")] - /// Extends the range to include all preceding whitespace characters, unless there - /// are non-whitespace characters left on the same line after `self`. + /// Extends the range to include all preceding whitespace characters. + /// + /// The range will not be expanded if it would cross a line boundary, the line the range would + /// be extended to ends with a line comment and the text after the range contains a + /// non-whitespace character on the same line. e.g. /// - /// This extra condition prevents a problem when removing the '}' in: /// ```ignore - /// ( // There was an opening bracket after the parenthesis, which has been removed - /// // This is a comment - /// }) + /// ( // Some comment + /// foo) /// ``` - /// Removing the whitespaces, including the linefeed, before the '}', would put the - /// closing parenthesis at the end of the `// This is a comment` line, which would - /// make it part of the comment as well. In this case, it is best to keep the span - /// on the '}' alone. + /// + /// When the range points to `foo`, suggesting to remove the range after it's been extended will + /// cause the `)` to be placed inside the line comment as `( // Some comment)`. fn with_leading_whitespace(self, cx: &impl HasSession) -> Range<BytePos> { with_leading_whitespace(cx.sess().source_map(), self.into_range()) } @@ -254,11 +255,11 @@ fn with_source_text_and_range<T>( fn map_range( sm: &SourceMap, sp: Range<BytePos>, - f: impl for<'a> FnOnce(&'a str, Range<usize>) -> Option<Range<usize>>, + f: impl for<'a> FnOnce(&'a SourceFile, &'a str, Range<usize>) -> Option<Range<usize>>, ) -> Option<Range<BytePos>> { if let Some(src) = get_source_range(sm, sp.clone()) && let Some(text) = &src.sf.src - && let Some(range) = f(text, src.range.clone()) + && let Some(range) = f(&src.sf, text, src.range.clone()) { debug_assert!( range.start <= text.len() && range.end <= text.len(), @@ -275,20 +276,57 @@ fn map_range( } } +fn ends_with_line_comment_or_broken(text: &str) -> bool { + let Some(last) = tokenize(text).last() else { + return false; + }; + match last.kind { + // Will give the wrong result on text like `" // "` where the first quote ends a string + // started earlier. The only workaround is to lex the whole file which we don't really want + // to do. + TokenKind::LineComment { .. } | TokenKind::BlockComment { terminated: false, .. } => true, + TokenKind::Literal { kind, .. } => matches!( + kind, + LiteralKind::Byte { terminated: false } + | LiteralKind::ByteStr { terminated: false } + | LiteralKind::CStr { terminated: false } + | LiteralKind::Char { terminated: false } + | LiteralKind::RawByteStr { n_hashes: None } + | LiteralKind::RawCStr { n_hashes: None } + | LiteralKind::RawStr { n_hashes: None } + ), + _ => false, + } +} + +fn with_leading_whitespace_inner(lines: &[RelativeBytePos], src: &str, range: Range<usize>) -> Option<usize> { + debug_assert!(lines.is_empty() || lines[0].to_u32() == 0); + + let start = src.get(..range.start)?.trim_end(); + let next_line = lines.partition_point(|&pos| pos.to_usize() <= start.len()); + if let Some(line_end) = lines.get(next_line) + && line_end.to_usize() <= range.start + && let prev_start = lines.get(next_line - 1).map_or(0, |&x| x.to_usize()) + && ends_with_line_comment_or_broken(&start[prev_start..]) + && let next_line = lines.partition_point(|&pos| pos.to_usize() < range.end) + && let next_start = lines.get(next_line).map_or(src.len(), |&x| x.to_usize()) + && tokenize(src.get(range.end..next_start)?).any(|t| !matches!(t.kind, TokenKind::Whitespace)) + { + Some(range.start) + } else { + Some(start.len()) + } +} + fn with_leading_whitespace(sm: &SourceMap, sp: Range<BytePos>) -> Range<BytePos> { - map_range(sm, sp, |src, range| { - let non_blank_after = src.len() - src.get(range.end..)?.trim_start().len(); - if src.get(range.end..non_blank_after)?.contains(['\r', '\n']) { - Some(src.get(..range.start)?.trim_end().len()..range.end) - } else { - Some(range) - } + map_range(sm, sp.clone(), |sf, src, range| { + Some(with_leading_whitespace_inner(sf.lines(), src, range.clone())?..range.end) }) - .unwrap() + .unwrap_or(sp) } fn trim_start(sm: &SourceMap, sp: Range<BytePos>) -> Range<BytePos> { - map_range(sm, sp.clone(), |src, range| { + map_range(sm, sp.clone(), |_, src, range| { let src = src.get(range.clone())?; Some(range.start + (src.len() - src.trim_start().len())..range.end) }) diff --git a/src/tools/clippy/clippy_utils/src/sugg.rs b/src/tools/clippy/clippy_utils/src/sugg.rs index 93dec113d31..6974e6512e2 100644 --- a/src/tools/clippy/clippy_utils/src/sugg.rs +++ b/src/tools/clippy/clippy_utils/src/sugg.rs @@ -940,7 +940,9 @@ impl<'tcx> Delegate<'tcx> for DerefDelegate<'_, 'tcx> { // note: unable to trigger `Subslice` kind in tests ProjectionKind::Subslice | // Doesn't have surface syntax. Only occurs in patterns. - ProjectionKind::OpaqueCast => (), + ProjectionKind::OpaqueCast | + // Only occurs in closure captures. + ProjectionKind::UnwrapUnsafeBinder => (), ProjectionKind::Deref => { // Explicit derefs are typically handled later on, but // some items do not need explicit deref, such as array accesses, diff --git a/src/tools/clippy/clippy_utils/src/sym.rs b/src/tools/clippy/clippy_utils/src/sym.rs index 9428262b99a..f417530be36 100644 --- a/src/tools/clippy/clippy_utils/src/sym.rs +++ b/src/tools/clippy/clippy_utils/src/sym.rs @@ -29,172 +29,330 @@ macro_rules! generate { }; } +// List of extra symbols to be included in Clippy (for example, as `sym::ambiguous_glob_reexports`). +// An alternative content can be specified using a colon after the symbol name. +// +// `cargo dev fmt` ensures that the content of the `generate!()` macro call stays sorted. generate! { + AsyncReadExt, + AsyncWriteExt, + BACKSLASH_SINGLE_QUOTE: r"\'", + Binary, + CLIPPY_ARGS, + CLIPPY_CONF_DIR, + CRLF: "\r\n", + Cargo_toml: "Cargo.toml", + Current, + DOUBLE_QUOTE: "\"", + Deserialize, + EarlyLintPass, + ErrorKind, + IntoIter, + Itertools, + LF: "\n", + Lazy, + Lint, + LowerExp, + LowerHex, + MAX, + MIN, + MsrvStack, + Octal, + OpenOptions, + Other, + PathLookup, + Regex, + RegexBuilder, + RegexSet, + Start, + Step, + Symbol, + SyntaxContext, + TBD, + UpperExp, + UpperHex, + V4, + V6, + Visitor, + Weak, abs, align_of, ambiguous_glob_reexports, + append, + arg, as_bytes, - as_deref_mut, as_deref, + as_deref_mut, as_mut, - AsyncReadExt, - AsyncWriteExt, - BACKSLASH_SINGLE_QUOTE: r"\'", - Binary, + assert_failed, + author, + borrow, + borrow_mut, build_hasher, + by_ref, bytes, + capacity, cargo_clippy: "cargo-clippy", - Cargo_toml: "Cargo.toml", cast, + cast_const, + cast_mut, + ceil, + ceil_char_boundary, + chain, chars, - CLIPPY_ARGS, - CLIPPY_CONF_DIR, + checked_abs, + checked_add, + checked_isqrt, + checked_mul, + checked_pow, + checked_rem_euclid, + checked_sub, + clamp, clippy_utils, clone_into, cloned, + cognitive_complexity, collect, const_ptr, contains, copied, - CRLF: "\r\n", - Current, + copy_from, + copy_from_nonoverlapping, + copy_to, + copy_to_nonoverlapping, + count_ones, + cycle, + cyclomatic_complexity, de, - Deserialize, diagnostics, disallowed_types, - DOUBLE_QUOTE: "\"", - EarlyLintPass, + drain, + dump, ends_with, enum_glob_use, + enumerate, + err, error, - ErrorKind, exp, + expect_err, + expn_data, extend, - finish_non_exhaustive, + filter, + filter_map, + find, + find_map, finish, + finish_non_exhaustive, + first, flat_map, + flatten, + floor, + floor_char_boundary, + fold, for_each, - from_bytes_with_nul_unchecked, from_bytes_with_nul, + from_bytes_with_nul_unchecked, from_ptr, from_raw, from_ref, + from_str, from_str_radix, fs, + fuse, futures_util, get, + get_mut, + get_or_insert_with, + get_unchecked, + get_unchecked_mut, + has_significant_drop, hidden_glob_reexports, hygiene, + if_chain, insert, + inspect, int_roundings, + into, into_bytes, + into_ok, into_owned, - IntoIter, io, is_ascii, + is_char_boundary, + is_digit, is_empty, is_err, + is_file, is_none, is_ok, is_some, + isqrt, itertools, - Itertools, + join, kw, last, lazy_static, - Lazy, - LF: "\n", - Lint, ln, + lock, lock_api, log, - LowerExp, - LowerHex, + log10, + log2, macro_use_imports, - map_or_else, + map_break, + map_continue, map_or, + map_or_else, + match_indices, + matches, max, - MAX, + max_by, + max_by_key, + max_value, + maximum, mem, min, - MIN, + min_by, + min_by_key, + min_value, + minimum, mode, module_name_repetitions, msrv, msrvs, - MsrvStack, mut_ptr, mutex, needless_return, + next_back, + next_if, + next_if_eq, next_tuple, - Octal, + nth, + ok, + ok_or, once_cell, - OpenOptions, + open, or_default, - Other, + or_else, + or_insert, + or_insert_with, + outer_expn, + panic_cold_display, + panic_cold_explicit, + panic_display, + panic_str, parse, - PathLookup, + partition, paths, + peek, + peek_mut, + peekable, + pow, powf, powi, + product, push, + read_line, + read_to_end, + read_to_string, redundant_pub_crate, regex, - Regex, - RegexBuilder, - RegexSet, + rem_euclid, + repeat, + replace, + replacen, reserve, resize, restriction, - rustc_lint_defs, + rev, + rfind, + rmatch_indices, + rmatches, + round, + rposition, + rsplit, + rsplit_once, + rsplit_terminator, + rsplitn, + rsplitn_mut, rustc_lint, + rustc_lint_defs, rustc_span, rustfmt_skip, rwlock, + saturating_abs, + saturating_pow, + scan, + seek, serde, set_len, set_mode, set_readonly, signum, single_component_path_imports, + skip_while, + slice_mut_unchecked, + slice_unchecked, + sort, + sort_by, + sort_unstable_by, span_lint_and_then, - split_whitespace, split, + split_at, + split_at_checked, + split_at_mut, + split_at_mut_checked, + split_inclusive, + split_once, + split_terminator, + split_whitespace, + splitn, + splitn_mut, sqrt, - Start, - Step, + starts_with, + step_by, + strlen, style, + subsec_micros, + subsec_nanos, + sum, symbol, - Symbol, - SyntaxContext, take, - TBD, + take_while, + then, then_some, to_ascii_lowercase, to_ascii_uppercase, to_digit, to_lowercase, + to_os_string, to_owned, + to_path_buf, to_uppercase, tokio, + trim, + trim_end_matches, + trim_start_matches, unreachable_pub, unsafe_removed_from_name, + unused, unused_braces, unused_extern_crates, unused_import_braces, unused_trait_names, - unused, unwrap_err, + unwrap_err_unchecked, unwrap_or_default, unwrap_or_else, - UpperExp, - UpperHex, - V4, - V6, - Visitor, + unwrap_unchecked, + unzip, + utils, + wake, warnings, - Weak, wildcard_imports, with_capacity, wrapping_offset, + write, + writeln, + zip, } diff --git a/src/tools/clippy/clippy_utils/src/ty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/mod.rs index 26d41cfb497..61e70b3fa0b 100644 --- a/src/tools/clippy/clippy_utils/src/ty/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ty/mod.rs @@ -78,7 +78,7 @@ pub fn can_partially_move_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool /// Walks into `ty` and returns `true` if any inner type is an instance of the given adt /// constructor. pub fn contains_adt_constructor<'tcx>(ty: Ty<'tcx>, adt: AdtDef<'tcx>) -> bool { - ty.walk().any(|inner| match inner.unpack() { + ty.walk().any(|inner| match inner.kind() { GenericArgKind::Type(inner_ty) => inner_ty.ty_adt_def() == Some(adt), GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false, }) @@ -96,7 +96,7 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<' needle: Ty<'tcx>, seen: &mut FxHashSet<DefId>, ) -> bool { - ty.walk().any(|inner| match inner.unpack() { + ty.walk().any(|inner| match inner.kind() { GenericArgKind::Type(inner_ty) => { if inner_ty == needle { return true; @@ -129,7 +129,7 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<' // For `impl Trait<Assoc=U>`, it will register a predicate of `<T as Trait>::Assoc = U`, // so we check the term for `U`. ty::ClauseKind::Projection(projection_predicate) => { - if let ty::TermKind::Ty(ty) = projection_predicate.term.unpack() + if let ty::TermKind::Ty(ty) = projection_predicate.term.kind() && contains_ty_adt_constructor_opaque_inner(cx, ty, needle, seen) { return true; @@ -526,7 +526,7 @@ pub fn same_type_and_consts<'tcx>(a: Ty<'tcx>, b: Ty<'tcx>) -> bool { args_a .iter() .zip(args_b.iter()) - .all(|(arg_a, arg_b)| match (arg_a.unpack(), arg_b.unpack()) { + .all(|(arg_a, arg_b)| match (arg_a.kind(), arg_b.kind()) { (GenericArgKind::Const(inner_a), GenericArgKind::Const(inner_b)) => inner_a == inner_b, (GenericArgKind::Type(type_a), GenericArgKind::Type(type_b)) => { same_type_and_consts(type_a, type_b) @@ -996,7 +996,7 @@ fn assert_generic_args_match<'tcx>(tcx: TyCtxt<'tcx>, did: DefId, args: &[Generi if let Some((idx, (param, arg))) = params .clone() - .zip(args.iter().map(|&x| x.unpack())) + .zip(args.iter().map(|&x| x.kind())) .enumerate() .find(|(_, (param, arg))| match (param, arg) { (GenericParamDefKind::Lifetime, GenericArgKind::Lifetime(_)) @@ -1361,3 +1361,14 @@ pub fn is_slice_like<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { || ty.is_array() || matches!(ty.kind(), ty::Adt(adt_def, _) if cx.tcx.is_diagnostic_item(sym::Vec, adt_def.did())) } + +/// Gets the index of a field by name. +pub fn get_field_idx_by_name(ty: Ty<'_>, name: Symbol) -> Option<usize> { + match *ty.kind() { + ty::Adt(def, _) if def.is_union() || def.is_struct() => { + def.non_enum_variant().fields.iter().position(|f| f.name == name) + }, + ty::Tuple(_) => name.as_str().parse::<usize>().ok(), + _ => None, + } +} diff --git a/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs index 6e358662327..84df36c75bf 100644 --- a/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs @@ -326,5 +326,5 @@ fn adt_def_id(ty: Ty<'_>) -> Option<DefId> { fn contains_param(ty: Ty<'_>, index: u32) -> bool { ty.walk() - .any(|arg| matches!(arg.unpack(), GenericArgKind::Type(ty) if ty.is_param(index))) + .any(|arg| matches!(arg.kind(), GenericArgKind::Type(ty) if ty.is_param(index))) } diff --git a/src/tools/clippy/lintcheck/src/input.rs b/src/tools/clippy/lintcheck/src/input.rs index 83eb0a577d6..408a2e087af 100644 --- a/src/tools/clippy/lintcheck/src/input.rs +++ b/src/tools/clippy/lintcheck/src/input.rs @@ -8,7 +8,7 @@ use std::time::Duration; use serde::Deserialize; use walkdir::{DirEntry, WalkDir}; -use crate::{Crate, LINTCHECK_DOWNLOADS, LINTCHECK_SOURCES}; +use crate::{Crate, lintcheck_sources, target_dir}; const DEFAULT_DOCS_LINK: &str = "https://docs.rs/{krate}/{version}/src/{krate_}/{file}.html#{line}"; const DEFAULT_GITHUB_LINK: &str = "{url}/blob/{hash}/src/{file}#L{line}"; @@ -201,8 +201,10 @@ impl CrateWithSource { let file_link = &self.file_link; match &self.source { CrateSource::CratesIo { version } => { - let extract_dir = PathBuf::from(LINTCHECK_SOURCES); - let krate_download_dir = PathBuf::from(LINTCHECK_DOWNLOADS); + let extract_dir = PathBuf::from(lintcheck_sources()); + // Keep constant downloads path to avoid repeating work and + // filling up disk space unnecessarily. + let krate_download_dir = PathBuf::from("target/lintcheck/downloads/"); // url to download the crate from crates.io let url = format!("https://crates.io/api/v1/crates/{name}/{version}/download"); @@ -211,7 +213,7 @@ impl CrateWithSource { let krate_file_path = krate_download_dir.join(format!("{name}-{version}.crate.tar.gz")); // don't download/extract if we already have done so - if !krate_file_path.is_file() { + if !krate_file_path.is_file() || !extract_dir.join(format!("{name}-{version}")).exists() { // create a file path to download and write the crate data into let mut krate_dest = fs::File::create(&krate_file_path).unwrap(); let mut krate_req = get(&url).unwrap().into_reader(); @@ -236,7 +238,7 @@ impl CrateWithSource { }, CrateSource::Git { url, commit } => { let repo_path = { - let mut repo_path = PathBuf::from(LINTCHECK_SOURCES); + let mut repo_path = PathBuf::from(lintcheck_sources()); // add a -git suffix in case we have the same crate from crates.io and a git repo repo_path.push(format!("{name}-git")); repo_path @@ -286,7 +288,7 @@ impl CrateWithSource { // copy path into the dest_crate_root but skip directories that contain a CACHEDIR.TAG file. // The target/ directory contains a CACHEDIR.TAG file so it is the most commonly skipped directory // as a result of this filter. - let dest_crate_root = PathBuf::from(LINTCHECK_SOURCES).join(name); + let dest_crate_root = PathBuf::from(lintcheck_sources()).join(name); if dest_crate_root.exists() { println!("Deleting existing directory at `{}`", dest_crate_root.display()); fs::remove_dir_all(&dest_crate_root).unwrap(); @@ -326,15 +328,16 @@ impl CrateWithSource { /// /// This function panics if creating one of the dirs fails. fn create_dirs(krate_download_dir: &Path, extract_dir: &Path) { - fs::create_dir("target/lintcheck/").unwrap_or_else(|err| { + fs::create_dir(format!("{}/lintcheck/", target_dir())).unwrap_or_else(|err| { assert_eq!( err.kind(), ErrorKind::AlreadyExists, "cannot create lintcheck target dir" ); }); - fs::create_dir(krate_download_dir).unwrap_or_else(|err| { - assert_eq!(err.kind(), ErrorKind::AlreadyExists, "cannot create crate download dir"); + fs::create_dir_all(krate_download_dir).unwrap_or_else(|err| { + // We are allowed to reuse download dirs + assert_ne!(err.kind(), ErrorKind::AlreadyExists); }); fs::create_dir(extract_dir).unwrap_or_else(|err| { assert_eq!( diff --git a/src/tools/clippy/lintcheck/src/main.rs b/src/tools/clippy/lintcheck/src/main.rs index d4bf6cd48a1..84183831432 100644 --- a/src/tools/clippy/lintcheck/src/main.rs +++ b/src/tools/clippy/lintcheck/src/main.rs @@ -43,8 +43,14 @@ use input::read_crates; use output::{ClippyCheckOutput, ClippyWarning, RustcIce}; use rayon::prelude::*; -const LINTCHECK_DOWNLOADS: &str = "target/lintcheck/downloads"; -const LINTCHECK_SOURCES: &str = "target/lintcheck/sources"; +#[must_use] +pub fn target_dir() -> String { + env::var("CARGO_TARGET_DIR").unwrap_or("target".to_owned()) +} + +fn lintcheck_sources() -> String { + format!("{}/lintcheck/sources", target_dir()) +} /// Represents the actual source code of a crate that we ran "cargo clippy" on #[derive(Debug)] @@ -307,7 +313,8 @@ fn main() { fn lintcheck(config: LintcheckConfig) { let clippy_ver = build_clippy(config.perf); let clippy_driver_path = fs::canonicalize(format!( - "target/{}/clippy-driver{EXE_SUFFIX}", + "{}/{}/clippy-driver{EXE_SUFFIX}", + target_dir(), if config.perf { "release" } else { "debug" } )) .unwrap(); @@ -315,7 +322,8 @@ fn lintcheck(config: LintcheckConfig) { // assert that clippy is found assert!( clippy_driver_path.is_file(), - "target/{}/clippy-driver binary not found! {}", + "{}/{}/clippy-driver binary not found! {}", + target_dir(), if config.perf { "release" } else { "debug" }, clippy_driver_path.display() ); @@ -386,7 +394,7 @@ fn lintcheck(config: LintcheckConfig) { .unwrap(); let server = config.recursive.then(|| { - let _: io::Result<()> = fs::remove_dir_all("target/lintcheck/shared_target_dir/recursive"); + let _: io::Result<()> = fs::remove_dir_all(format!("{}/lintcheck/shared_target_dir/recursive", target_dir())); LintcheckServer::spawn(recursive_options) }); @@ -488,7 +496,7 @@ fn clippy_project_root() -> &'static Path { #[must_use] fn shared_target_dir(qualifier: &str) -> PathBuf { clippy_project_root() - .join("target/lintcheck/shared_target_dir") + .join(format!("{}/lintcheck/shared_target_dir", target_dir())) .join(qualifier) } diff --git a/src/tools/clippy/lintcheck/src/output.rs b/src/tools/clippy/lintcheck/src/output.rs index dcc1ec339ef..d7fe0915121 100644 --- a/src/tools/clippy/lintcheck/src/output.rs +++ b/src/tools/clippy/lintcheck/src/output.rs @@ -162,9 +162,9 @@ pub fn summarize_and_print_changes( fn gather_stats(warnings: &[ClippyWarning]) -> (String, HashMap<&String, usize>) { // count lint type occurrences let mut counter: HashMap<&String, usize> = HashMap::new(); - warnings - .iter() - .for_each(|wrn| *counter.entry(&wrn.name).or_insert(0) += 1); + for wrn in warnings { + *counter.entry(&wrn.name).or_insert(0) += 1; + } // collect into a tupled list for sorting let mut stats: Vec<(&&String, &usize)> = counter.iter().collect(); diff --git a/src/tools/clippy/rust-toolchain.toml b/src/tools/clippy/rust-toolchain.toml index da41bdd27bc..b6817d9a146 100644 --- a/src/tools/clippy/rust-toolchain.toml +++ b/src/tools/clippy/rust-toolchain.toml @@ -1,6 +1,6 @@ [toolchain] # begin autogenerated nightly -channel = "nightly-2025-05-14" +channel = "nightly-2025-05-31" # end autogenerated nightly components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] profile = "minimal" diff --git a/src/tools/clippy/rustfmt.toml b/src/tools/clippy/rustfmt.toml index 0dc6adce7bf..0ed58a2dfc1 100644 --- a/src/tools/clippy/rustfmt.toml +++ b/src/tools/clippy/rustfmt.toml @@ -6,4 +6,8 @@ edition = "2024" error_on_line_overflow = true imports_granularity = "Module" style_edition = "2024" -ignore = ["tests/ui/crashes/ice-10912.rs"] +ignore = [ + "tests/ui/crashes/ice-9405.rs", + "tests/ui/crashes/ice-10912.rs", + "tests/ui/non_expressive_names_error_recovery.rs", +] diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index f8acf88cf81..37adb14169a 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -96,16 +96,11 @@ fn track_files(psess: &mut ParseSess) { // During development track the `clippy-driver` executable so that cargo will re-run clippy whenever // it is rebuilt - #[expect( - clippy::collapsible_if, - reason = "Due to a bug in let_chains this if statement can't be collapsed" - )] - if cfg!(debug_assertions) { - if let Ok(current_exe) = env::current_exe() - && let Some(current_exe) = current_exe.to_str() - { - file_depinfo.insert(Symbol::intern(current_exe)); - } + if cfg!(debug_assertions) + && let Ok(current_exe) = env::current_exe() + && let Some(current_exe) = current_exe.to_str() + { + file_depinfo.insert(Symbol::intern(current_exe)); } } diff --git a/src/tools/clippy/tests/headers.rs b/src/tools/clippy/tests/headers.rs deleted file mode 100644 index d1f986ef526..00000000000 --- a/src/tools/clippy/tests/headers.rs +++ /dev/null @@ -1,34 +0,0 @@ -use regex::Regex; -use std::fs; -use walkdir::WalkDir; - -#[test] -fn old_test_headers() { - let old_headers = Regex::new( - r"^//( ?\[\w+\])? ?((check|build|run|ignore|aux|only|needs|rustc|unset|no|normalize|run|compile)-|edition|incremental|revisions).*", - ) - .unwrap(); - let mut failed = false; - - for entry in WalkDir::new("tests") { - let entry = entry.unwrap(); - let is_hidden_file = entry - .file_name() - .to_str() - .expect("non-UTF-8 file name") - .starts_with('.'); - if is_hidden_file || !entry.file_type().is_file() { - continue; - } - - let file = fs::read_to_string(entry.path()).unwrap_or_else(|err| panic!("{}: {err}", entry.path().display())); - - if let Some(header) = old_headers.find(&file) { - println!("Found header `{}` in {}", header.as_str(), entry.path().display()); - - failed = true; - } - } - - assert!(!failed, "use `//@foo` style test headers instead"); -} diff --git a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default.stderr b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default.stderr index 50567e32b1b..a3c35a31c33 100644 --- a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default.stderr +++ b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default.stderr @@ -13,37 +13,37 @@ LL | const SNAKE_CASE: &str = "zzzzzzzz"; = help: to override `-D warnings` add `#[allow(clippy::arbitrary_source_item_ordering)]` error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:149:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:165:7 | LL | const ZIS_SHOULD_BE_REALLY_EARLY: () = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `TraitUnorderedItemKinds` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:136:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:152:7 | LL | trait TraitUnorderedItemKinds { | ^^^^^^^^^^^^^^^^^^^^^^^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:188:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:204:5 | LL | mod this_is_in_the_wrong_position { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `main` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:183:4 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:199:4 | LL | fn main() { | ^^^^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:198:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:214:7 | LL | const ZIS_SHOULD_BE_EVEN_EARLIER: () = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `ZisShouldBeBeforeZeMainFn` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:196:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:212:8 | LL | struct ZisShouldBeBeforeZeMainFn; | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -61,100 +61,124 @@ LL | C, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:96:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:57:5 + | +LL | g: u8, + | ^ + | +note: should be placed before `r` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:56:5 + | +LL | r: u8, + | ^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:59:5 + | +LL | b: u8, + | ^ + | +note: should be placed before `g` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:57:5 + | +LL | g: u8, + | ^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:112:5 | LL | b: bool, | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:95:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:111:5 | LL | c: bool, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:105:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:121:5 | LL | b: bool, | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:104:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:120:5 | LL | c: bool, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:125:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:141:11 | LL | const B: bool; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:124:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:140:11 | LL | const C: bool; | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:132:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:148:8 | LL | fn b(); | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:131:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:147:8 | LL | fn c(); | ^ error: incorrect ordering of trait items (defined order: [Const, Type, Fn]) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:139:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:155:5 | LL | const A: bool; | ^^^^^^^^^^^^^^ | note: should be placed before `SomeType` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:137:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:153:5 | LL | type SomeType; | ^^^^^^^^^^^^^^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:155:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:171:11 | LL | const B: bool = false; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:154:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:170:11 | LL | const C: bool = false; | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:162:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:178:8 | LL | fn b() {} | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:161:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:177:8 | LL | fn c() {} | ^ error: incorrect ordering of impl items (defined order: [Const, Type, Fn]) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:173:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:189:5 | LL | const A: bool = false; | ^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `SomeType` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:171:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:187:5 | LL | type SomeType = (); | ^^^^^^^^^^^^^^^^^^^ -error: aborting due to 13 previous errors +error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default_exp.stderr b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default_exp.stderr index 50567e32b1b..a3c35a31c33 100644 --- a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default_exp.stderr +++ b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.default_exp.stderr @@ -13,37 +13,37 @@ LL | const SNAKE_CASE: &str = "zzzzzzzz"; = help: to override `-D warnings` add `#[allow(clippy::arbitrary_source_item_ordering)]` error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:149:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:165:7 | LL | const ZIS_SHOULD_BE_REALLY_EARLY: () = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `TraitUnorderedItemKinds` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:136:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:152:7 | LL | trait TraitUnorderedItemKinds { | ^^^^^^^^^^^^^^^^^^^^^^^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:188:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:204:5 | LL | mod this_is_in_the_wrong_position { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `main` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:183:4 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:199:4 | LL | fn main() { | ^^^^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:198:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:214:7 | LL | const ZIS_SHOULD_BE_EVEN_EARLIER: () = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `ZisShouldBeBeforeZeMainFn` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:196:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:212:8 | LL | struct ZisShouldBeBeforeZeMainFn; | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -61,100 +61,124 @@ LL | C, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:96:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:57:5 + | +LL | g: u8, + | ^ + | +note: should be placed before `r` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:56:5 + | +LL | r: u8, + | ^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:59:5 + | +LL | b: u8, + | ^ + | +note: should be placed before `g` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:57:5 + | +LL | g: u8, + | ^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:112:5 | LL | b: bool, | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:95:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:111:5 | LL | c: bool, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:105:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:121:5 | LL | b: bool, | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:104:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:120:5 | LL | c: bool, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:125:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:141:11 | LL | const B: bool; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:124:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:140:11 | LL | const C: bool; | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:132:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:148:8 | LL | fn b(); | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:131:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:147:8 | LL | fn c(); | ^ error: incorrect ordering of trait items (defined order: [Const, Type, Fn]) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:139:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:155:5 | LL | const A: bool; | ^^^^^^^^^^^^^^ | note: should be placed before `SomeType` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:137:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:153:5 | LL | type SomeType; | ^^^^^^^^^^^^^^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:155:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:171:11 | LL | const B: bool = false; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:154:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:170:11 | LL | const C: bool = false; | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:162:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:178:8 | LL | fn b() {} | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:161:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:177:8 | LL | fn c() {} | ^ error: incorrect ordering of impl items (defined order: [Const, Type, Fn]) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:173:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:189:5 | LL | const A: bool = false; | ^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `SomeType` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:171:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:187:5 | LL | type SomeType = (); | ^^^^^^^^^^^^^^^^^^^ -error: aborting due to 13 previous errors +error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.ord_within.stderr b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.ord_within.stderr index ae5261dcc6d..3fdd706fc62 100644 --- a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.ord_within.stderr +++ b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.ord_within.stderr @@ -25,7 +25,19 @@ LL | const SNAKE_CASE: &str = "zzzzzzzz"; | ^^^^^^^^^^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:71:1 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:64:8 + | +LL | struct EnumWithExternButAtWrongPosition { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: should be placed before `EnumWithoutExtern` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:55:8 + | +LL | struct EnumWithoutExtern { + | ^^^^^^^^^^^^^^^^^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:87:1 | LL | / impl CloneSelf for StructOrdered { LL | | @@ -36,7 +48,7 @@ LL | | } | |_^ | note: should be placed before the following item - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:61:1 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:77:1 | LL | / impl Default for StructOrdered { LL | | fn default() -> Self { @@ -47,25 +59,25 @@ LL | | } | |_^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:149:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:165:7 | LL | const ZIS_SHOULD_BE_REALLY_EARLY: () = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `TraitUnorderedItemKinds` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:136:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:152:7 | LL | trait TraitUnorderedItemKinds { | ^^^^^^^^^^^^^^^^^^^^^^^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:167:1 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:183:1 | LL | impl BasicEmptyTrait for StructOrdered {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before the following item - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:152:1 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:168:1 | LL | / impl TraitUnordered for StructUnordered { LL | | const A: bool = false; @@ -76,25 +88,25 @@ LL | | } | |_^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:188:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:204:5 | LL | mod this_is_in_the_wrong_position { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `main` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:183:4 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:199:4 | LL | fn main() { | ^^^^ error: incorrect ordering of items (module item groupings specify another order) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:198:7 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:214:7 | LL | const ZIS_SHOULD_BE_EVEN_EARLIER: () = (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `ZisShouldBeBeforeZeMainFn` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:196:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:212:8 | LL | struct ZisShouldBeBeforeZeMainFn; | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -124,112 +136,136 @@ LL | C, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:96:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:57:5 + | +LL | g: u8, + | ^ + | +note: should be placed before `r` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:56:5 + | +LL | r: u8, + | ^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:59:5 + | +LL | b: u8, + | ^ + | +note: should be placed before `g` + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:57:5 + | +LL | g: u8, + | ^ + +error: incorrect ordering of items (must be alphabetically ordered) + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:112:5 | LL | b: bool, | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:95:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:111:5 | LL | c: bool, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:105:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:121:5 | LL | b: bool, | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:104:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:120:5 | LL | c: bool, | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:125:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:141:11 | LL | const B: bool; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:124:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:140:11 | LL | const C: bool; | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:132:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:148:8 | LL | fn b(); | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:131:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:147:8 | LL | fn c(); | ^ error: incorrect ordering of trait items (defined order: [Const, Type, Fn]) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:139:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:155:5 | LL | const A: bool; | ^^^^^^^^^^^^^^ | note: should be placed before `SomeType` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:137:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:153:5 | LL | type SomeType; | ^^^^^^^^^^^^^^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:155:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:171:11 | LL | const B: bool = false; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:154:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:170:11 | LL | const C: bool = false; | ^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:162:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:178:8 | LL | fn b() {} | ^ | note: should be placed before `c` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:161:8 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:177:8 | LL | fn c() {} | ^ error: incorrect ordering of impl items (defined order: [Const, Type, Fn]) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:173:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:189:5 | LL | const A: bool = false; | ^^^^^^^^^^^^^^^^^^^^^^ | note: should be placed before `SomeType` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:171:5 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:187:5 | LL | type SomeType = (); | ^^^^^^^^^^^^^^^^^^^ error: incorrect ordering of items (must be alphabetically ordered) - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:191:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:207:11 | LL | const A: i8 = 1; | ^ | note: should be placed before `C` - --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:190:11 + --> tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs:206:11 | LL | const C: i8 = 0; | ^ -error: aborting due to 18 previous errors +error: aborting due to 21 previous errors diff --git a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs index 90399470d4c..1cfed9790c1 100644 --- a/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs +++ b/src/tools/clippy/tests/ui-toml/arbitrary_source_item_ordering/ordering_mixed.rs @@ -52,6 +52,22 @@ enum EnumUnorderedAllowed { B, } +struct EnumWithoutExtern { + r: u8, + g: u8, + //~^ arbitrary_source_item_ordering + b: u8, + //~^ arbitrary_source_item_ordering +} + +#[repr(C)] +struct EnumWithExternButAtWrongPosition { + //~[ord_within]^ arbitrary_source_item_ordering + r: u8, + g: u8, + b: u8, +} + struct StructOrdered { a: bool, b: bool, diff --git a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.fixed b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.fixed index 6f5cc47ba6c..f695f9804d5 100644 --- a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.fixed +++ b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.fixed @@ -13,7 +13,7 @@ fn main() { //~^^^^^^ collapsible_if // The following tests check for the fix of https://github.com/rust-lang/rust-clippy/issues/798 - if x == "hello" // Inner comment + if x == "hello" // Inner comment && y == "world" { println!("Hello world!"); } @@ -26,7 +26,7 @@ fn main() { } //~^^^^^^ collapsible_if - if x == "hello" /* Inner comment */ + if x == "hello" /* Inner comment */ && y == "world" { println!("Hello world!"); } diff --git a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.stderr b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.stderr index 357ce4ad32d..a12c2112f58 100644 --- a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.stderr +++ b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if.stderr @@ -32,7 +32,7 @@ LL | | } | help: collapse nested if block | -LL ~ if x == "hello" // Inner comment +LL ~ if x == "hello" // Inner comment LL ~ && y == "world" { LL | println!("Hello world!"); LL ~ } @@ -70,7 +70,7 @@ LL | | } | help: collapse nested if block | -LL ~ if x == "hello" /* Inner comment */ +LL ~ if x == "hello" /* Inner comment */ LL ~ && y == "world" { LL | println!("Hello world!"); LL ~ } diff --git a/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.rs b/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.rs index e953a2a4e90..2a6097fb579 100644 --- a/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.rs +++ b/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.rs @@ -11,9 +11,9 @@ fn issue10272() { // should trigger warning let x = Cell::new(true); if x.get() { + //~^ ifs_same_cond } else if !x.take() { } else if x.get() { - //~^ ifs_same_cond } else { } } diff --git a/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.stderr b/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.stderr index d67e7fca656..adc44358c4c 100644 --- a/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.stderr +++ b/src/tools/clippy/tests/ui-toml/ifs_same_cond/ifs_same_cond.stderr @@ -1,14 +1,12 @@ -error: this `if` has the same condition as a previous `if` - --> tests/ui-toml/ifs_same_cond/ifs_same_cond.rs:15:15 - | -LL | } else if x.get() { - | ^^^^^^^ - | -note: same as this +error: these `if` branches have the same condition --> tests/ui-toml/ifs_same_cond/ifs_same_cond.rs:13:8 | LL | if x.get() { | ^^^^^^^ +... +LL | } else if x.get() { + | ^^^^^^^ + | = note: `-D clippy::ifs-same-cond` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::ifs_same_cond)]` diff --git a/src/tools/clippy/tests/ui/assign_ops.fixed b/src/tools/clippy/tests/ui/assign_ops.fixed index 18f0e04a880..3bc6885d7c3 100644 --- a/src/tools/clippy/tests/ui/assign_ops.fixed +++ b/src/tools/clippy/tests/ui/assign_ops.fixed @@ -1,7 +1,10 @@ +#![allow(clippy::useless_vec)] +#![warn(clippy::assign_op_pattern)] +#![feature(const_trait_impl, const_ops)] + use core::num::Wrapping; +use std::ops::{Mul, MulAssign}; -#[allow(dead_code, unused_assignments, clippy::useless_vec)] -#[warn(clippy::assign_op_pattern)] fn main() { let mut a = 5; a += 1; @@ -39,3 +42,65 @@ fn main() { v[0] = v[0] + v[1]; let _ = || v[0] = v[0] + v[1]; } + +fn cow_add_assign() { + use std::borrow::Cow; + let mut buf = Cow::Owned(String::from("bar")); + let cows = Cow::Borrowed("foo"); + + // this can be linted + buf += cows.clone(); + //~^ assign_op_pattern + + // this should not as cow<str> Add is not commutative + buf = cows + buf; +} + +// check that we don't lint on op assign impls, because that's just the way to impl them + +#[derive(Copy, Clone, Debug, PartialEq, Eq)] +pub struct Wrap(i64); + +impl Mul<i64> for Wrap { + type Output = Self; + + fn mul(self, rhs: i64) -> Self { + Wrap(self.0 * rhs) + } +} + +impl MulAssign<i64> for Wrap { + fn mul_assign(&mut self, rhs: i64) { + *self = *self * rhs + } +} + +mod issue14871 { + + use std::ops::{Add, AddAssign}; + + pub trait Number: Copy + Add<Self, Output = Self> + AddAssign { + const ZERO: Self; + const ONE: Self; + } + + #[const_trait] + pub trait NumberConstants { + fn constant(value: usize) -> Self; + } + + impl<T> const NumberConstants for T + where + T: Number + ~const core::ops::Add, + { + fn constant(value: usize) -> Self { + let mut res = Self::ZERO; + let mut count = 0; + while count < value { + res = res + Self::ONE; + count += 1; + } + res + } + } +} diff --git a/src/tools/clippy/tests/ui/assign_ops.rs b/src/tools/clippy/tests/ui/assign_ops.rs index 8b05c74d860..f1f8f9daff9 100644 --- a/src/tools/clippy/tests/ui/assign_ops.rs +++ b/src/tools/clippy/tests/ui/assign_ops.rs @@ -1,7 +1,10 @@ +#![allow(clippy::useless_vec)] +#![warn(clippy::assign_op_pattern)] +#![feature(const_trait_impl, const_ops)] + use core::num::Wrapping; +use std::ops::{Mul, MulAssign}; -#[allow(dead_code, unused_assignments, clippy::useless_vec)] -#[warn(clippy::assign_op_pattern)] fn main() { let mut a = 5; a = a + 1; @@ -39,3 +42,65 @@ fn main() { v[0] = v[0] + v[1]; let _ = || v[0] = v[0] + v[1]; } + +fn cow_add_assign() { + use std::borrow::Cow; + let mut buf = Cow::Owned(String::from("bar")); + let cows = Cow::Borrowed("foo"); + + // this can be linted + buf = buf + cows.clone(); + //~^ assign_op_pattern + + // this should not as cow<str> Add is not commutative + buf = cows + buf; +} + +// check that we don't lint on op assign impls, because that's just the way to impl them + +#[derive(Copy, Clone, Debug, PartialEq, Eq)] +pub struct Wrap(i64); + +impl Mul<i64> for Wrap { + type Output = Self; + + fn mul(self, rhs: i64) -> Self { + Wrap(self.0 * rhs) + } +} + +impl MulAssign<i64> for Wrap { + fn mul_assign(&mut self, rhs: i64) { + *self = *self * rhs + } +} + +mod issue14871 { + + use std::ops::{Add, AddAssign}; + + pub trait Number: Copy + Add<Self, Output = Self> + AddAssign { + const ZERO: Self; + const ONE: Self; + } + + #[const_trait] + pub trait NumberConstants { + fn constant(value: usize) -> Self; + } + + impl<T> const NumberConstants for T + where + T: Number + ~const core::ops::Add, + { + fn constant(value: usize) -> Self { + let mut res = Self::ZERO; + let mut count = 0; + while count < value { + res = res + Self::ONE; + count += 1; + } + res + } + } +} diff --git a/src/tools/clippy/tests/ui/assign_ops.stderr b/src/tools/clippy/tests/ui/assign_ops.stderr index 17f216ee4a0..c5e698b3ee1 100644 --- a/src/tools/clippy/tests/ui/assign_ops.stderr +++ b/src/tools/clippy/tests/ui/assign_ops.stderr @@ -1,5 +1,5 @@ error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:7:5 + --> tests/ui/assign_ops.rs:10:5 | LL | a = a + 1; | ^^^^^^^^^ help: replace it with: `a += 1` @@ -8,64 +8,70 @@ LL | a = a + 1; = help: to override `-D warnings` add `#[allow(clippy::assign_op_pattern)]` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:9:5 + --> tests/ui/assign_ops.rs:12:5 | LL | a = 1 + a; | ^^^^^^^^^ help: replace it with: `a += 1` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:11:5 + --> tests/ui/assign_ops.rs:14:5 | LL | a = a - 1; | ^^^^^^^^^ help: replace it with: `a -= 1` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:13:5 + --> tests/ui/assign_ops.rs:16:5 | LL | a = a * 99; | ^^^^^^^^^^ help: replace it with: `a *= 99` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:15:5 + --> tests/ui/assign_ops.rs:18:5 | LL | a = 42 * a; | ^^^^^^^^^^ help: replace it with: `a *= 42` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:17:5 + --> tests/ui/assign_ops.rs:20:5 | LL | a = a / 2; | ^^^^^^^^^ help: replace it with: `a /= 2` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:19:5 + --> tests/ui/assign_ops.rs:22:5 | LL | a = a % 5; | ^^^^^^^^^ help: replace it with: `a %= 5` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:21:5 + --> tests/ui/assign_ops.rs:24:5 | LL | a = a & 1; | ^^^^^^^^^ help: replace it with: `a &= 1` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:28:5 + --> tests/ui/assign_ops.rs:31:5 | LL | s = s + "bla"; | ^^^^^^^^^^^^^ help: replace it with: `s += "bla"` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:33:5 + --> tests/ui/assign_ops.rs:36:5 | LL | a = a + Wrapping(1u32); | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `a += Wrapping(1u32)` error: manual implementation of an assign operation - --> tests/ui/assign_ops.rs:36:5 + --> tests/ui/assign_ops.rs:39:5 | LL | v[0] = v[0] + v[1]; | ^^^^^^^^^^^^^^^^^^ help: replace it with: `v[0] += v[1]` -error: aborting due to 11 previous errors +error: manual implementation of an assign operation + --> tests/ui/assign_ops.rs:52:5 + | +LL | buf = buf + cows.clone(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `buf += cows.clone()` + +error: aborting due to 12 previous errors diff --git a/src/tools/clippy/tests/ui/assign_ops2.rs b/src/tools/clippy/tests/ui/assign_ops2.rs deleted file mode 100644 index 51867fa6962..00000000000 --- a/src/tools/clippy/tests/ui/assign_ops2.rs +++ /dev/null @@ -1,77 +0,0 @@ -//@no-rustfix: overlapping suggestions -#![allow(clippy::uninlined_format_args)] - -#[allow(unused_assignments)] -#[warn(clippy::misrefactored_assign_op, clippy::assign_op_pattern)] -fn main() { - let mut a = 5; - a += a + 1; - //~^ misrefactored_assign_op - - a += 1 + a; - //~^ misrefactored_assign_op - - a -= a - 1; - //~^ misrefactored_assign_op - - a *= a * 99; - //~^ misrefactored_assign_op - - a *= 42 * a; - //~^ misrefactored_assign_op - - a /= a / 2; - //~^ misrefactored_assign_op - - a %= a % 5; - //~^ misrefactored_assign_op - - a &= a & 1; - //~^ misrefactored_assign_op - - a *= a * a; - //~^ misrefactored_assign_op - - a = a * a * a; - a = a * 42 * a; - a = a * 2 + a; - a -= 1 - a; - a /= 5 / a; - a %= 42 % a; - a <<= 6 << a; -} - -// check that we don't lint on op assign impls, because that's just the way to impl them - -use std::ops::{Mul, MulAssign}; - -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub struct Wrap(i64); - -impl Mul<i64> for Wrap { - type Output = Self; - - fn mul(self, rhs: i64) -> Self { - Wrap(self.0 * rhs) - } -} - -impl MulAssign<i64> for Wrap { - fn mul_assign(&mut self, rhs: i64) { - *self = *self * rhs - } -} - -fn cow_add_assign() { - use std::borrow::Cow; - let mut buf = Cow::Owned(String::from("bar")); - let cows = Cow::Borrowed("foo"); - - // this can be linted - buf = buf + cows.clone(); - //~^ assign_op_pattern - - // this should not as cow<str> Add is not commutative - buf = cows + buf; - println!("{}", buf); -} diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/auxiliary/helper.rs b/src/tools/clippy/tests/ui/auxiliary/interior_mutable_const.rs index 96e037d4fcd..96e037d4fcd 100644 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/auxiliary/helper.rs +++ b/src/tools/clippy/tests/ui/auxiliary/interior_mutable_const.rs diff --git a/src/tools/clippy/tests/ui/auxiliary/proc_macro_attr.rs b/src/tools/clippy/tests/ui/auxiliary/proc_macro_attr.rs index 4c61c5accd3..9b8e62867f0 100644 --- a/src/tools/clippy/tests/ui/auxiliary/proc_macro_attr.rs +++ b/src/tools/clippy/tests/ui/auxiliary/proc_macro_attr.rs @@ -1,5 +1,4 @@ -#![feature(repr128, proc_macro_hygiene, proc_macro_quote, box_patterns)] -#![allow(incomplete_features)] +#![feature(proc_macro_hygiene, proc_macro_quote, box_patterns)] #![allow(clippy::useless_conversion, clippy::uninlined_format_args)] extern crate proc_macro; diff --git a/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs b/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs index 1815dd58f51..5992d15935d 100644 --- a/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs +++ b/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs @@ -1,5 +1,4 @@ -#![feature(repr128, proc_macro_quote, proc_macro_span)] -#![allow(incomplete_features)] +#![feature(proc_macro_quote, proc_macro_span)] #![allow(clippy::field_reassign_with_default)] #![allow(clippy::eq_op)] #![allow(clippy::literal_string_with_formatting_args)] diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const.rs b/src/tools/clippy/tests/ui/borrow_interior_mutable_const.rs new file mode 100644 index 00000000000..0f439f78915 --- /dev/null +++ b/src/tools/clippy/tests/ui/borrow_interior_mutable_const.rs @@ -0,0 +1,221 @@ +//@aux-build:interior_mutable_const.rs + +#![deny(clippy::borrow_interior_mutable_const)] +#![allow( + clippy::declare_interior_mutable_const, + clippy::out_of_bounds_indexing, + const_item_mutation, + unconditional_panic +)] + +use core::cell::{Cell, UnsafeCell}; +use core::ops::{Deref, Index}; + +trait ConstDefault { + const DEFAULT: Self; +} +impl ConstDefault for u32 { + const DEFAULT: Self = 0; +} +impl<T: ConstDefault> ConstDefault for Cell<T> { + const DEFAULT: Self = Cell::new(T::DEFAULT); +} + +fn main() { + { + const C: String = String::new(); + let _ = C; + let _ = &C; + let _ = C.len(); + let _ = &*C; + } + { + const C: UnsafeCell<u32> = UnsafeCell::new(0); + let _ = C; + let _ = &C; //~ borrow_interior_mutable_const + let _ = C.into_inner(); + let _ = C.get(); //~ borrow_interior_mutable_const + } + { + const C: Cell<u32> = Cell::new(0); + let _ = C; + let _ = &C; //~ borrow_interior_mutable_const + let _ = &mut C; //~ borrow_interior_mutable_const + let _ = C.into_inner(); + + let local = C; + C.swap(&local) //~ borrow_interior_mutable_const + } + { + const C: [(Cell<u32>,); 1] = [(Cell::new(0),)]; + let _ = C; + let _ = &C; //~ borrow_interior_mutable_const + let _ = &C[0]; //~ borrow_interior_mutable_const + let _ = &C[0].0; //~ borrow_interior_mutable_const + C[0].0.set(1); //~ borrow_interior_mutable_const + } + { + struct S(Cell<u32>); + impl S { + const C: Self = Self(Cell::new(0)); + } + impl Deref for S { + type Target = Cell<u32>; + fn deref(&self) -> &Self::Target { + &self.0 + } + } + let _ = S::C; + let _ = S::C.0; + let _ = &S::C; //~ borrow_interior_mutable_const + let _ = &S::C.0; //~ borrow_interior_mutable_const + S::C.set(1); //~ borrow_interior_mutable_const + let _ = &*S::C; //~ borrow_interior_mutable_const + (*S::C).set(1); //~ borrow_interior_mutable_const + } + { + enum E { + Cell(Cell<u32>), + Other, + } + const CELL: E = E::Cell(Cell::new(0)); + const OTHER: E = E::Other; + + let _ = CELL; + let _ = &CELL; //~ borrow_interior_mutable_const + let E::Cell(_) = CELL else { + return; + }; + + let _ = OTHER; + let _ = &OTHER; + let E::Cell(ref _x) = OTHER else { + return; + }; + } + { + struct S<T> { + cell: (Cell<T>, u32), + other: Option<T>, + } + impl<T: ConstDefault + Copy> S<T> { + const C: Self = Self { + cell: (Cell::<T>::DEFAULT, 0), + other: Some(T::DEFAULT), + }; + + fn f() { + let _ = Self::C; + let _ = &Self::C; //~ borrow_interior_mutable_const + let _ = Self::C.other; + let _ = &Self::C.other; + let _ = &Self::C.cell; //~ borrow_interior_mutable_const + let _ = &Self::C.cell.0; //~ borrow_interior_mutable_const + Self::C.cell.0.set(T::DEFAULT); //~ borrow_interior_mutable_const + let _ = &Self::C.cell.1; + } + } + } + { + trait T { + const VALUE: Option<Cell<u32>> = Some(Cell::new(0)); + } + impl T for u32 {} + impl T for i32 { + const VALUE: Option<Cell<u32>> = None; + } + + let _ = &u32::VALUE; //~ borrow_interior_mutable_const + let _ = &i32::VALUE; + } + { + trait Trait<T: ConstDefault> { + type T<U: ConstDefault>: ConstDefault; + const VALUE: Option<Self::T<T>> = Some(Self::T::<T>::DEFAULT); + } + impl<T: ConstDefault> Trait<T> for u32 { + type T<U: ConstDefault> = Cell<U>; + } + impl<T: ConstDefault> Trait<T> for i32 { + type T<U: ConstDefault> = Cell<U>; + const VALUE: Option<Cell<T>> = None; + } + + fn f<T: ConstDefault>() { + let _ = &<u32 as Trait<T>>::VALUE; //~ borrow_interior_mutable_const + let _ = &<i32 as Trait<T>>::VALUE; + } + } + { + trait Trait { + const UNFROZEN: Option<Cell<u32>> = Some(Cell::new(0)); + const FROZEN: Option<Cell<u32>> = None; + const NON_FREEZE: u32 = 0; + } + fn f<T: Trait>() { + // None of these are guaranteed to be frozen, so don't lint. + let _ = &T::UNFROZEN; + let _ = &T::FROZEN; + let _ = &T::NON_FREEZE; + } + } + { + struct S([Option<Cell<u32>>; 2]); + impl Index<usize> for S { + type Output = Option<Cell<u32>>; + fn index(&self, idx: usize) -> &Self::Output { + &self.0[idx] + } + } + + const C: S = S([Some(Cell::new(0)), None]); + let _ = &C; //~ borrow_interior_mutable_const + let _ = &C[0]; //~ borrow_interior_mutable_const + let _ = &C.0[0]; //~ borrow_interior_mutable_const + let _ = &C.0[1]; + } + { + const C: [Option<Cell<u32>>; 2] = [None, None]; + let _ = &C[0]; + let _ = &C[1]; + let _ = &C[2]; + + fn f(i: usize) { + let _ = &C[i]; + } + } + { + const C: [Option<Cell<u32>>; 2] = [None, Some(Cell::new(0))]; + let _ = &C[0]; + let _ = &C[1]; //~ borrow_interior_mutable_const + let _ = &C[2]; + + fn f(i: usize) { + let _ = &C[i]; //~ borrow_interior_mutable_const + } + } + { + let _ = &interior_mutable_const::WRAPPED_PRIVATE_UNFROZEN_VARIANT; //~ borrow_interior_mutable_const + let _ = &interior_mutable_const::WRAPPED_PRIVATE_FROZEN_VARIANT; + } + { + type Cell2<T> = Cell<T>; + type MyCell = Cell2<u32>; + struct S(Option<MyCell>); + trait T { + type Assoc; + } + struct S2<T>(T, T, u32); + impl T for S { + type Assoc = S2<Self>; + } + type Assoc<X> = <X as T>::Assoc; + impl S { + const VALUE: Assoc<Self> = S2(Self(None), Self(Some(Cell::new(0))), 0); + } + let _ = &S::VALUE; //~ borrow_interior_mutable_const + let _ = &S::VALUE.0; + let _ = &S::VALUE.1; //~ borrow_interior_mutable_const + let _ = &S::VALUE.2; + } +} diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const.stderr b/src/tools/clippy/tests/ui/borrow_interior_mutable_const.stderr new file mode 100644 index 00000000000..e7c3f879b05 --- /dev/null +++ b/src/tools/clippy/tests/ui/borrow_interior_mutable_const.stderr @@ -0,0 +1,247 @@ +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:35:17 + | +LL | let _ = &C; + | ^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing +note: the lint level is defined here + --> tests/ui/borrow_interior_mutable_const.rs:3:9 + | +LL | #![deny(clippy::borrow_interior_mutable_const)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:37:17 + | +LL | let _ = C.get(); + | ^ + | + = note: there is a compiler inserted borrow here + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:42:17 + | +LL | let _ = &C; + | ^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:43:17 + | +LL | let _ = &mut C; + | ^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:47:9 + | +LL | C.swap(&local) + | ^ + | + = note: there is a compiler inserted borrow here + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:52:17 + | +LL | let _ = &C; + | ^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:53:17 + | +LL | let _ = &C[0]; + | ^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:54:17 + | +LL | let _ = &C[0].0; + | ^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:55:9 + | +LL | C[0].0.set(1); + | ^^^^^^ + | + = note: there is a compiler inserted borrow here + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:70:17 + | +LL | let _ = &S::C; + | ^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:71:17 + | +LL | let _ = &S::C.0; + | ^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:72:9 + | +LL | S::C.set(1); + | ^^^^ + | + = note: there is a compiler inserted call to `Deref::deref` here + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:73:18 + | +LL | let _ = &*S::C; + | ^^^^^ + | + = note: this deref expression is a call to `Deref::deref` + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:74:9 + | +LL | (*S::C).set(1); + | ^^^^^^^ + | + = note: this deref expression is a call to `Deref::deref` + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:85:17 + | +LL | let _ = &CELL; + | ^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:109:25 + | +LL | let _ = &Self::C; + | ^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:112:25 + | +LL | let _ = &Self::C.cell; + | ^^^^^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:113:25 + | +LL | let _ = &Self::C.cell.0; + | ^^^^^^^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:114:17 + | +LL | Self::C.cell.0.set(T::DEFAULT); + | ^^^^^^^^^^^^^^ + | + = note: there is a compiler inserted borrow here + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:128:17 + | +LL | let _ = &u32::VALUE; + | ^^^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:145:21 + | +LL | let _ = &<u32 as Trait<T>>::VALUE; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:172:17 + | +LL | let _ = &C; + | ^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:173:18 + | +LL | let _ = &C[0]; + | ^^^^ + | + = note: this index expression is a call to `Index::index` + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:174:17 + | +LL | let _ = &C.0[0]; + | ^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:190:17 + | +LL | let _ = &C[1]; + | ^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:194:21 + | +LL | let _ = &C[i]; + | ^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:198:17 + | +LL | let _ = &interior_mutable_const::WRAPPED_PRIVATE_UNFROZEN_VARIANT; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:216:17 + | +LL | let _ = &S::VALUE; + | ^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: borrow of a named constant with interior mutability + --> tests/ui/borrow_interior_mutable_const.rs:218:17 + | +LL | let _ = &S::VALUE.1; + | ^^^^^^^^^^^ + | + = help: this lint can be silenced by assigning the value to a local variable before borrowing + +error: aborting due to 29 previous errors + diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/enums.rs b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/enums.rs deleted file mode 100644 index da940a4cfb5..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/enums.rs +++ /dev/null @@ -1,101 +0,0 @@ -//@aux-build:helper.rs - -#![deny(clippy::borrow_interior_mutable_const)] -#![allow(clippy::declare_interior_mutable_const)] - -// this file (mostly) replicates its `declare` counterpart. Please see it for more discussions. - -extern crate helper; - -use std::cell::Cell; -use std::sync::atomic::AtomicUsize; - -enum OptionalCell { - Unfrozen(Cell<bool>), - Frozen, -} - -const UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(true)); -const FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen; - -fn borrow_optional_cell() { - let _ = &UNFROZEN_VARIANT; //~ ERROR: interior mutability - let _ = &FROZEN_VARIANT; -} - -trait AssocConsts { - const TO_BE_UNFROZEN_VARIANT: OptionalCell; - const TO_BE_FROZEN_VARIANT: OptionalCell; - - const DEFAULTED_ON_UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); - const DEFAULTED_ON_FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen; - - fn function() { - // This is the "suboptimal behavior" mentioned in `is_value_unfrozen` - // caused by a similar reason to unfrozen types without any default values - // get linted even if it has frozen variants'. - let _ = &Self::TO_BE_FROZEN_VARIANT; //~ ERROR: interior mutability - - // The lint ignores default values because an impl of this trait can set - // an unfrozen variant to `DEFAULTED_ON_FROZEN_VARIANT` and use the default impl for `function`. - let _ = &Self::DEFAULTED_ON_FROZEN_VARIANT; //~ ERROR: interior mutability - } -} - -impl AssocConsts for u64 { - const TO_BE_UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); - const TO_BE_FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen; - - fn function() { - let _ = &<Self as AssocConsts>::TO_BE_UNFROZEN_VARIANT; //~ ERROR: interior mutability - let _ = &<Self as AssocConsts>::TO_BE_FROZEN_VARIANT; - let _ = &Self::DEFAULTED_ON_UNFROZEN_VARIANT; //~ ERROR: interior mutability - let _ = &Self::DEFAULTED_ON_FROZEN_VARIANT; - } -} - -trait AssocTypes { - type ToBeUnfrozen; - - const TO_BE_UNFROZEN_VARIANT: Option<Self::ToBeUnfrozen>; - const TO_BE_FROZEN_VARIANT: Option<Self::ToBeUnfrozen>; - - // there's no need to test here because it's the exactly same as `trait::AssocTypes` - fn function(); -} - -impl AssocTypes for u64 { - type ToBeUnfrozen = AtomicUsize; - - const TO_BE_UNFROZEN_VARIANT: Option<Self::ToBeUnfrozen> = Some(Self::ToBeUnfrozen::new(4)); - const TO_BE_FROZEN_VARIANT: Option<Self::ToBeUnfrozen> = None; - - fn function() { - let _ = &<Self as AssocTypes>::TO_BE_UNFROZEN_VARIANT; //~ ERROR: interior mutability - let _ = &<Self as AssocTypes>::TO_BE_FROZEN_VARIANT; - } -} - -enum BothOfCellAndGeneric<T> { - Unfrozen(Cell<*const T>), - Generic(*const T), - Frozen(usize), -} - -impl<T> BothOfCellAndGeneric<T> { - const UNFROZEN_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); - const GENERIC_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Generic(std::ptr::null()); - const FROZEN_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Frozen(5); - - fn function() { - let _ = &Self::UNFROZEN_VARIANT; //~ ERROR: interior mutability - let _ = &Self::GENERIC_VARIANT; //~ ERROR: interior mutability - let _ = &Self::FROZEN_VARIANT; - } -} - -fn main() { - // constants defined in foreign crates - let _ = &helper::WRAPPED_PRIVATE_UNFROZEN_VARIANT; //~ ERROR: interior mutability - let _ = &helper::WRAPPED_PRIVATE_FROZEN_VARIANT; -} diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/enums.stderr b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/enums.stderr deleted file mode 100644 index 43850384b90..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/enums.stderr +++ /dev/null @@ -1,79 +0,0 @@ -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:22:14 - | -LL | let _ = &UNFROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here -note: the lint level is defined here - --> tests/ui/borrow_interior_mutable_const/enums.rs:3:9 - | -LL | #![deny(clippy::borrow_interior_mutable_const)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:37:18 - | -LL | let _ = &Self::TO_BE_FROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:41:18 - | -LL | let _ = &Self::DEFAULTED_ON_FROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:50:18 - | -LL | let _ = &<Self as AssocConsts>::TO_BE_UNFROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:52:18 - | -LL | let _ = &Self::DEFAULTED_ON_UNFROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:74:18 - | -LL | let _ = &<Self as AssocTypes>::TO_BE_UNFROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:91:18 - | -LL | let _ = &Self::UNFROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:92:18 - | -LL | let _ = &Self::GENERIC_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/enums.rs:99:14 - | -LL | let _ = &helper::WRAPPED_PRIVATE_UNFROZEN_VARIANT; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: aborting due to 9 previous errors - diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.rs b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.rs deleted file mode 100644 index fa729b62d7f..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.rs +++ /dev/null @@ -1,128 +0,0 @@ -#![deny(clippy::borrow_interior_mutable_const)] -#![allow(clippy::declare_interior_mutable_const, clippy::needless_borrow)] -#![allow(const_item_mutation)] - -use std::borrow::Cow; -use std::cell::{Cell, UnsafeCell}; -use std::fmt::Display; -use std::sync::Once; -use std::sync::atomic::{AtomicUsize, Ordering}; - -const ATOMIC: AtomicUsize = AtomicUsize::new(5); -const CELL: Cell<usize> = Cell::new(6); -const ATOMIC_TUPLE: ([AtomicUsize; 1], Option<Box<AtomicUsize>>, u8) = ([ATOMIC], None, 7); -const INTEGER: u8 = 8; -const STRING: String = String::new(); -const STR: &str = "012345"; -const COW: Cow<str> = Cow::Borrowed("abcdef"); -const NO_ANN: &dyn Display = &70; -static STATIC_TUPLE: (AtomicUsize, String) = (ATOMIC, STRING); -const ONCE_INIT: Once = Once::new(); - -// This is just a pointer that can be safely dereferenced, -// it's semantically the same as `&'static T`; -// but it isn't allowed to make a static reference from an arbitrary integer value at the moment. -// For more information, please see the issue #5918. -pub struct StaticRef<T> { - ptr: *const T, -} - -impl<T> StaticRef<T> { - /// Create a new `StaticRef` from a raw pointer - /// - /// ## Safety - /// - /// Callers must pass in a reference to statically allocated memory which - /// does not overlap with other values. - pub const unsafe fn new(ptr: *const T) -> StaticRef<T> { - StaticRef { ptr } - } -} - -impl<T> std::ops::Deref for StaticRef<T> { - type Target = T; - - fn deref(&self) -> &T { - unsafe { &*self.ptr } - } -} - -// ICE regression test -mod issue12979 { - use std::cell::UnsafeCell; - - const ATOMIC_TUPLE: (Vec<UnsafeCell<u8>>, ()) = (Vec::new(), ()); - - fn main() { - let _x = &ATOMIC_TUPLE.0; - } -} - -// use a tuple to make sure referencing a field behind a pointer isn't linted. -const CELL_REF: StaticRef<(UnsafeCell<u32>,)> = unsafe { StaticRef::new(std::ptr::null()) }; - -fn main() { - ATOMIC.store(1, Ordering::SeqCst); - //~^ borrow_interior_mutable_const - assert_eq!(ATOMIC.load(Ordering::SeqCst), 5); - //~^ borrow_interior_mutable_const - - let _once = ONCE_INIT; - let _once_ref = &ONCE_INIT; - //~^ borrow_interior_mutable_const - let _once_ref_2 = &&ONCE_INIT; - //~^ borrow_interior_mutable_const - let _once_ref_4 = &&&&ONCE_INIT; - //~^ borrow_interior_mutable_const - let _once_mut = &mut ONCE_INIT; - //~^ borrow_interior_mutable_const - let _atomic_into_inner = ATOMIC.into_inner(); - // these should be all fine. - let _twice = (ONCE_INIT, ONCE_INIT); - let _ref_twice = &(ONCE_INIT, ONCE_INIT); - let _ref_once = &(ONCE_INIT, ONCE_INIT).0; - let _array_twice = [ONCE_INIT, ONCE_INIT]; - let _ref_array_twice = &[ONCE_INIT, ONCE_INIT]; - let _ref_array_once = &[ONCE_INIT, ONCE_INIT][0]; - - // referencing projection is still bad. - let _ = &ATOMIC_TUPLE; - //~^ borrow_interior_mutable_const - let _ = &ATOMIC_TUPLE.0; - //~^ borrow_interior_mutable_const - let _ = &(&&&&ATOMIC_TUPLE).0; - //~^ borrow_interior_mutable_const - let _ = &ATOMIC_TUPLE.0[0]; - //~^ borrow_interior_mutable_const - let _ = ATOMIC_TUPLE.0[0].load(Ordering::SeqCst); - //~^ borrow_interior_mutable_const - let _ = &ATOMIC_TUPLE.2; - let _ = (&&&&ATOMIC_TUPLE).0; - let _ = (&&&&ATOMIC_TUPLE).2; - let _ = ATOMIC_TUPLE.0; - let _ = ATOMIC_TUPLE.0[0]; - //~^ borrow_interior_mutable_const - let _ = ATOMIC_TUPLE.1.into_iter(); - let _ = ATOMIC_TUPLE.2; - let _ = &{ ATOMIC_TUPLE }; - - CELL.set(2); - //~^ borrow_interior_mutable_const - assert_eq!(CELL.get(), 6); - //~^ borrow_interior_mutable_const - - assert_eq!(INTEGER, 8); - assert!(STRING.is_empty()); - - let a = ATOMIC; - a.store(4, Ordering::SeqCst); - assert_eq!(a.load(Ordering::SeqCst), 4); - - STATIC_TUPLE.0.store(3, Ordering::SeqCst); - assert_eq!(STATIC_TUPLE.0.load(Ordering::SeqCst), 3); - assert!(STATIC_TUPLE.1.is_empty()); - - assert_eq!(NO_ANN.to_string(), "70"); // should never lint this. - - let _ = &CELL_REF.0; -} diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.stderr b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.stderr deleted file mode 100644 index decea153f71..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/others.stderr +++ /dev/null @@ -1,119 +0,0 @@ -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:65:5 - | -LL | ATOMIC.store(1, Ordering::SeqCst); - | ^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here -note: the lint level is defined here - --> tests/ui/borrow_interior_mutable_const/others.rs:1:9 - | -LL | #![deny(clippy::borrow_interior_mutable_const)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:67:16 - | -LL | assert_eq!(ATOMIC.load(Ordering::SeqCst), 5); - | ^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:71:22 - | -LL | let _once_ref = &ONCE_INIT; - | ^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:73:25 - | -LL | let _once_ref_2 = &&ONCE_INIT; - | ^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:75:27 - | -LL | let _once_ref_4 = &&&&ONCE_INIT; - | ^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:77:26 - | -LL | let _once_mut = &mut ONCE_INIT; - | ^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:89:14 - | -LL | let _ = &ATOMIC_TUPLE; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:91:14 - | -LL | let _ = &ATOMIC_TUPLE.0; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:93:19 - | -LL | let _ = &(&&&&ATOMIC_TUPLE).0; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:95:14 - | -LL | let _ = &ATOMIC_TUPLE.0[0]; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:97:13 - | -LL | let _ = ATOMIC_TUPLE.0[0].load(Ordering::SeqCst); - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:103:13 - | -LL | let _ = ATOMIC_TUPLE.0[0]; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:109:5 - | -LL | CELL.set(2); - | ^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/others.rs:111:16 - | -LL | assert_eq!(CELL.get(), 6); - | ^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: aborting due to 14 previous errors - diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/projections.rs b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/projections.rs deleted file mode 100644 index bbe5538fbe1..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/projections.rs +++ /dev/null @@ -1,42 +0,0 @@ -#![deny(clippy::borrow_interior_mutable_const)] -#![deny(clippy::declare_interior_mutable_const)] - -// Inspired by https://github.com/rust-lang/rust/pull/130543#issuecomment-2364828139 - -use std::cell::UnsafeCell; - -trait Trait { - type Assoc; -} - -type Assoc<T> = <T as Trait>::Assoc; - -impl Trait for u8 { - type Assoc = UnsafeCell<u8>; -} - -impl Trait for () { - type Assoc = (); -} - -enum MaybeMutable { - Mutable(Assoc<u8>), - Immutable(Assoc<()>), -} - -const CELL: Assoc<u8> = UnsafeCell::new(0); //~ ERROR: interior mutable -const UNIT: Assoc<()> = (); -const MUTABLE: MaybeMutable = MaybeMutable::Mutable(CELL); //~ ERROR: interior mutable -const IMMUTABLE: MaybeMutable = MaybeMutable::Immutable(UNIT); - -fn print_ref<T>(t: &T) { - let p: *const T = t; - println!("{p:p}") -} - -fn main() { - print_ref(&CELL); //~ ERROR: interior mutability - print_ref(&UNIT); - print_ref(&MUTABLE); //~ ERROR: interior mutability - print_ref(&IMMUTABLE); -} diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/projections.stderr b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/projections.stderr deleted file mode 100644 index eabaf66560a..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/projections.stderr +++ /dev/null @@ -1,44 +0,0 @@ -error: a `const` item should not be interior mutable - --> tests/ui/borrow_interior_mutable_const/projections.rs:27:1 - | -LL | const CELL: Assoc<u8> = UnsafeCell::new(0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` -note: the lint level is defined here - --> tests/ui/borrow_interior_mutable_const/projections.rs:2:9 - | -LL | #![deny(clippy::declare_interior_mutable_const)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/borrow_interior_mutable_const/projections.rs:29:1 - | -LL | const MUTABLE: MaybeMutable = MaybeMutable::Mutable(CELL); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/projections.rs:38:16 - | -LL | print_ref(&CELL); - | ^^^^ - | - = help: assign this const to a local or static variable, and use the variable here -note: the lint level is defined here - --> tests/ui/borrow_interior_mutable_const/projections.rs:1:9 - | -LL | #![deny(clippy::borrow_interior_mutable_const)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/projections.rs:40:16 - | -LL | print_ref(&MUTABLE); - | ^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: aborting due to 4 previous errors - diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/traits.rs b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/traits.rs deleted file mode 100644 index c4878dbe57b..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/traits.rs +++ /dev/null @@ -1,219 +0,0 @@ -#![deny(clippy::borrow_interior_mutable_const)] -#![allow(clippy::declare_interior_mutable_const)] - -// this file replicates its `declare` counterpart. Please see it for more discussions. - -use std::borrow::Cow; -use std::cell::Cell; -use std::sync::atomic::{AtomicUsize, Ordering}; - -trait ConcreteTypes { - const ATOMIC: AtomicUsize; - const STRING: String; - - fn function() { - let _ = &Self::ATOMIC; - //~^ borrow_interior_mutable_const - let _ = &Self::STRING; - } -} - -impl ConcreteTypes for u64 { - const ATOMIC: AtomicUsize = AtomicUsize::new(9); - const STRING: String = String::new(); - - fn function() { - // Lint this again since implementers can choose not to borrow it. - let _ = &Self::ATOMIC; - //~^ borrow_interior_mutable_const - let _ = &Self::STRING; - } -} - -// a helper trait used below -trait ConstDefault { - const DEFAULT: Self; -} - -trait GenericTypes<T, U> { - const TO_REMAIN_GENERIC: T; - const TO_BE_CONCRETE: U; - - fn function() { - let _ = &Self::TO_REMAIN_GENERIC; - } -} - -impl<T: ConstDefault> GenericTypes<T, AtomicUsize> for Vec<T> { - const TO_REMAIN_GENERIC: T = T::DEFAULT; - const TO_BE_CONCRETE: AtomicUsize = AtomicUsize::new(11); - - fn function() { - let _ = &Self::TO_REMAIN_GENERIC; - let _ = &Self::TO_BE_CONCRETE; - //~^ borrow_interior_mutable_const - } -} - -// a helper type used below -pub struct Wrapper<T>(T); - -trait AssocTypes { - type ToBeFrozen; - type ToBeUnfrozen; - type ToBeGenericParam; - - const TO_BE_FROZEN: Self::ToBeFrozen; - const TO_BE_UNFROZEN: Self::ToBeUnfrozen; - const WRAPPED_TO_BE_UNFROZEN: Wrapper<Self::ToBeUnfrozen>; - const WRAPPED_TO_BE_GENERIC_PARAM: Wrapper<Self::ToBeGenericParam>; - - fn function() { - let _ = &Self::TO_BE_FROZEN; - let _ = &Self::WRAPPED_TO_BE_UNFROZEN; - } -} - -impl<T: ConstDefault> AssocTypes for Vec<T> { - type ToBeFrozen = u16; - type ToBeUnfrozen = AtomicUsize; - type ToBeGenericParam = T; - - const TO_BE_FROZEN: Self::ToBeFrozen = 12; - const TO_BE_UNFROZEN: Self::ToBeUnfrozen = AtomicUsize::new(13); - const WRAPPED_TO_BE_UNFROZEN: Wrapper<Self::ToBeUnfrozen> = Wrapper(AtomicUsize::new(14)); - const WRAPPED_TO_BE_GENERIC_PARAM: Wrapper<Self::ToBeGenericParam> = Wrapper(T::DEFAULT); - - fn function() { - let _ = &Self::TO_BE_FROZEN; - let _ = &Self::TO_BE_UNFROZEN; - //~^ borrow_interior_mutable_const - let _ = &Self::WRAPPED_TO_BE_UNFROZEN; - //~^ borrow_interior_mutable_const - let _ = &Self::WRAPPED_TO_BE_GENERIC_PARAM; - } -} - -// a helper trait used below -trait AssocTypesHelper { - type NotToBeBounded; - type ToBeBounded; - - const NOT_TO_BE_BOUNDED: Self::NotToBeBounded; -} - -trait AssocTypesFromGenericParam<T> -where - T: AssocTypesHelper<ToBeBounded = AtomicUsize>, -{ - const NOT_BOUNDED: T::NotToBeBounded; - const BOUNDED: T::ToBeBounded; - - fn function() { - let _ = &Self::NOT_BOUNDED; - let _ = &Self::BOUNDED; - //~^ borrow_interior_mutable_const - } -} - -impl<T> AssocTypesFromGenericParam<T> for Vec<T> -where - T: AssocTypesHelper<ToBeBounded = AtomicUsize>, -{ - const NOT_BOUNDED: T::NotToBeBounded = T::NOT_TO_BE_BOUNDED; - const BOUNDED: T::ToBeBounded = AtomicUsize::new(15); - - fn function() { - let _ = &Self::NOT_BOUNDED; - let _ = &Self::BOUNDED; - //~^ borrow_interior_mutable_const - } -} - -trait SelfType: Sized { - const SELF: Self; - const WRAPPED_SELF: Option<Self>; - - fn function() { - let _ = &Self::SELF; - let _ = &Self::WRAPPED_SELF; - } -} - -impl SelfType for u64 { - const SELF: Self = 16; - const WRAPPED_SELF: Option<Self> = Some(20); - - fn function() { - let _ = &Self::SELF; - let _ = &Self::WRAPPED_SELF; - } -} - -impl SelfType for AtomicUsize { - const SELF: Self = AtomicUsize::new(17); - const WRAPPED_SELF: Option<Self> = Some(AtomicUsize::new(21)); - - fn function() { - let _ = &Self::SELF; - //~^ borrow_interior_mutable_const - let _ = &Self::WRAPPED_SELF; - //~^ borrow_interior_mutable_const - } -} - -trait BothOfCellAndGeneric<T> { - const DIRECT: Cell<T>; - const INDIRECT: Cell<*const T>; - - fn function() { - let _ = &Self::DIRECT; - //~^ borrow_interior_mutable_const - let _ = &Self::INDIRECT; - //~^ borrow_interior_mutable_const - } -} - -impl<T: ConstDefault> BothOfCellAndGeneric<T> for Vec<T> { - const DIRECT: Cell<T> = Cell::new(T::DEFAULT); - const INDIRECT: Cell<*const T> = Cell::new(std::ptr::null()); - - fn function() { - let _ = &Self::DIRECT; - //~^ borrow_interior_mutable_const - let _ = &Self::INDIRECT; - //~^ borrow_interior_mutable_const - } -} - -struct Local<T>(T); - -impl<T> Local<T> -where - T: ConstDefault + AssocTypesHelper<ToBeBounded = AtomicUsize>, -{ - const ATOMIC: AtomicUsize = AtomicUsize::new(18); - const COW: Cow<'static, str> = Cow::Borrowed("tuvwxy"); - - const GENERIC_TYPE: T = T::DEFAULT; - - const ASSOC_TYPE: T::NotToBeBounded = T::NOT_TO_BE_BOUNDED; - const BOUNDED_ASSOC_TYPE: T::ToBeBounded = AtomicUsize::new(19); - - fn function() { - let _ = &Self::ATOMIC; - //~^ borrow_interior_mutable_const - let _ = &Self::COW; - let _ = &Self::GENERIC_TYPE; - let _ = &Self::ASSOC_TYPE; - let _ = &Self::BOUNDED_ASSOC_TYPE; - //~^ borrow_interior_mutable_const - } -} - -fn main() { - u64::ATOMIC.store(5, Ordering::SeqCst); - //~^ borrow_interior_mutable_const - assert_eq!(u64::ATOMIC.load(Ordering::SeqCst), 9); - //~^ borrow_interior_mutable_const -} diff --git a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/traits.stderr b/src/tools/clippy/tests/ui/borrow_interior_mutable_const/traits.stderr deleted file mode 100644 index cad68ca9260..00000000000 --- a/src/tools/clippy/tests/ui/borrow_interior_mutable_const/traits.stderr +++ /dev/null @@ -1,143 +0,0 @@ -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:15:18 - | -LL | let _ = &Self::ATOMIC; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here -note: the lint level is defined here - --> tests/ui/borrow_interior_mutable_const/traits.rs:1:9 - | -LL | #![deny(clippy::borrow_interior_mutable_const)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:27:18 - | -LL | let _ = &Self::ATOMIC; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:53:18 - | -LL | let _ = &Self::TO_BE_CONCRETE; - | ^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:89:18 - | -LL | let _ = &Self::TO_BE_UNFROZEN; - | ^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:91:18 - | -LL | let _ = &Self::WRAPPED_TO_BE_UNFROZEN; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:114:18 - | -LL | let _ = &Self::BOUNDED; - | ^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:128:18 - | -LL | let _ = &Self::BOUNDED; - | ^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:158:18 - | -LL | let _ = &Self::SELF; - | ^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:160:18 - | -LL | let _ = &Self::WRAPPED_SELF; - | ^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:170:18 - | -LL | let _ = &Self::DIRECT; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:172:18 - | -LL | let _ = &Self::INDIRECT; - | ^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:182:18 - | -LL | let _ = &Self::DIRECT; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:184:18 - | -LL | let _ = &Self::INDIRECT; - | ^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:204:18 - | -LL | let _ = &Self::ATOMIC; - | ^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:209:18 - | -LL | let _ = &Self::BOUNDED_ASSOC_TYPE; - | ^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:215:5 - | -LL | u64::ATOMIC.store(5, Ordering::SeqCst); - | ^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: a `const` item with interior mutability should not be borrowed - --> tests/ui/borrow_interior_mutable_const/traits.rs:217:16 - | -LL | assert_eq!(u64::ATOMIC.load(Ordering::SeqCst), 9); - | ^^^^^^^^^^^ - | - = help: assign this const to a local or static variable, and use the variable here - -error: aborting due to 17 previous errors - diff --git a/src/tools/clippy/tests/ui/cast.rs b/src/tools/clippy/tests/ui/cast.rs index 88c2549f4dc..525be821650 100644 --- a/src/tools/clippy/tests/ui/cast.rs +++ b/src/tools/clippy/tests/ui/cast.rs @@ -1,7 +1,5 @@ -//@no-rustfix +//@no-rustfix: only some diagnostics have suggestions -#![feature(repr128)] -#![allow(incomplete_features)] #![warn( clippy::cast_precision_loss, clippy::cast_possible_truncation, diff --git a/src/tools/clippy/tests/ui/cast.stderr b/src/tools/clippy/tests/ui/cast.stderr index 4d03282f667..1cb30d95667 100644 --- a/src/tools/clippy/tests/ui/cast.stderr +++ b/src/tools/clippy/tests/ui/cast.stderr @@ -1,5 +1,5 @@ error: casting `i32` to `f32` causes a loss of precision (`i32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:25:5 + --> tests/ui/cast.rs:23:5 | LL | x0 as f32; | ^^^^^^^^^ @@ -8,37 +8,37 @@ LL | x0 as f32; = help: to override `-D warnings` add `#[allow(clippy::cast_precision_loss)]` error: casting `i64` to `f32` causes a loss of precision (`i64` is 64 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:29:5 + --> tests/ui/cast.rs:27:5 | LL | x1 as f32; | ^^^^^^^^^ error: casting `i64` to `f64` causes a loss of precision (`i64` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide) - --> tests/ui/cast.rs:32:5 + --> tests/ui/cast.rs:30:5 | LL | x1 as f64; | ^^^^^^^^^ error: casting `u32` to `f32` causes a loss of precision (`u32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:36:5 + --> tests/ui/cast.rs:34:5 | LL | x2 as f32; | ^^^^^^^^^ error: casting `u64` to `f32` causes a loss of precision (`u64` is 64 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:40:5 + --> tests/ui/cast.rs:38:5 | LL | x3 as f32; | ^^^^^^^^^ error: casting `u64` to `f64` causes a loss of precision (`u64` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide) - --> tests/ui/cast.rs:43:5 + --> tests/ui/cast.rs:41:5 | LL | x3 as f64; | ^^^^^^^^^ error: casting `f32` to `i32` may truncate the value - --> tests/ui/cast.rs:47:5 + --> tests/ui/cast.rs:45:5 | LL | 1f32 as i32; | ^^^^^^^^^^^ @@ -48,7 +48,7 @@ LL | 1f32 as i32; = help: to override `-D warnings` add `#[allow(clippy::cast_possible_truncation)]` error: casting `f32` to `u32` may truncate the value - --> tests/ui/cast.rs:50:5 + --> tests/ui/cast.rs:48:5 | LL | 1f32 as u32; | ^^^^^^^^^^^ @@ -56,7 +56,7 @@ LL | 1f32 as u32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:50:5 + --> tests/ui/cast.rs:48:5 | LL | 1f32 as u32; | ^^^^^^^^^^^ @@ -65,7 +65,7 @@ LL | 1f32 as u32; = help: to override `-D warnings` add `#[allow(clippy::cast_sign_loss)]` error: casting `f64` to `f32` may truncate the value - --> tests/ui/cast.rs:54:5 + --> tests/ui/cast.rs:52:5 | LL | 1f64 as f32; | ^^^^^^^^^^^ @@ -73,7 +73,7 @@ LL | 1f64 as f32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `i32` to `i8` may truncate the value - --> tests/ui/cast.rs:57:5 + --> tests/ui/cast.rs:55:5 | LL | 1i32 as i8; | ^^^^^^^^^^ @@ -86,7 +86,7 @@ LL + i8::try_from(1i32); | error: casting `i32` to `u8` may truncate the value - --> tests/ui/cast.rs:60:5 + --> tests/ui/cast.rs:58:5 | LL | 1i32 as u8; | ^^^^^^^^^^ @@ -99,7 +99,7 @@ LL + u8::try_from(1i32); | error: casting `f64` to `isize` may truncate the value - --> tests/ui/cast.rs:63:5 + --> tests/ui/cast.rs:61:5 | LL | 1f64 as isize; | ^^^^^^^^^^^^^ @@ -107,7 +107,7 @@ LL | 1f64 as isize; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f64` to `usize` may truncate the value - --> tests/ui/cast.rs:66:5 + --> tests/ui/cast.rs:64:5 | LL | 1f64 as usize; | ^^^^^^^^^^^^^ @@ -115,13 +115,13 @@ LL | 1f64 as usize; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f64` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:66:5 + --> tests/ui/cast.rs:64:5 | LL | 1f64 as usize; | ^^^^^^^^^^^^^ error: casting `u32` to `u16` may truncate the value - --> tests/ui/cast.rs:70:5 + --> tests/ui/cast.rs:68:5 | LL | 1f32 as u32 as u16; | ^^^^^^^^^^^^^^^^^^ @@ -134,7 +134,7 @@ LL + u16::try_from(1f32 as u32); | error: casting `f32` to `u32` may truncate the value - --> tests/ui/cast.rs:70:5 + --> tests/ui/cast.rs:68:5 | LL | 1f32 as u32 as u16; | ^^^^^^^^^^^ @@ -142,13 +142,13 @@ LL | 1f32 as u32 as u16; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:70:5 + --> tests/ui/cast.rs:68:5 | LL | 1f32 as u32 as u16; | ^^^^^^^^^^^ error: casting `i32` to `i8` may truncate the value - --> tests/ui/cast.rs:76:22 + --> tests/ui/cast.rs:74:22 | LL | let _x: i8 = 1i32 as _; | ^^^^^^^^^ @@ -161,7 +161,7 @@ LL + let _x: i8 = 1i32.try_into(); | error: casting `f32` to `i32` may truncate the value - --> tests/ui/cast.rs:79:9 + --> tests/ui/cast.rs:77:9 | LL | 1f32 as i32; | ^^^^^^^^^^^ @@ -169,7 +169,7 @@ LL | 1f32 as i32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f64` to `i32` may truncate the value - --> tests/ui/cast.rs:82:9 + --> tests/ui/cast.rs:80:9 | LL | 1f64 as i32; | ^^^^^^^^^^^ @@ -177,7 +177,7 @@ LL | 1f64 as i32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u8` may truncate the value - --> tests/ui/cast.rs:85:9 + --> tests/ui/cast.rs:83:9 | LL | 1f32 as u8; | ^^^^^^^^^^ @@ -185,13 +185,13 @@ LL | 1f32 as u8; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u8` may lose the sign of the value - --> tests/ui/cast.rs:85:9 + --> tests/ui/cast.rs:83:9 | LL | 1f32 as u8; | ^^^^^^^^^^ error: casting `u8` to `i8` may wrap around the value - --> tests/ui/cast.rs:90:5 + --> tests/ui/cast.rs:88:5 | LL | 1u8 as i8; | ^^^^^^^^^ @@ -200,31 +200,31 @@ LL | 1u8 as i8; = help: to override `-D warnings` add `#[allow(clippy::cast_possible_wrap)]` error: casting `u16` to `i16` may wrap around the value - --> tests/ui/cast.rs:93:5 + --> tests/ui/cast.rs:91:5 | LL | 1u16 as i16; | ^^^^^^^^^^^ error: casting `u32` to `i32` may wrap around the value - --> tests/ui/cast.rs:96:5 + --> tests/ui/cast.rs:94:5 | LL | 1u32 as i32; | ^^^^^^^^^^^ error: casting `u64` to `i64` may wrap around the value - --> tests/ui/cast.rs:99:5 + --> tests/ui/cast.rs:97:5 | LL | 1u64 as i64; | ^^^^^^^^^^^ error: casting `usize` to `isize` may wrap around the value - --> tests/ui/cast.rs:102:5 + --> tests/ui/cast.rs:100:5 | LL | 1usize as isize; | ^^^^^^^^^^^^^^^ error: casting `usize` to `i8` may truncate the value - --> tests/ui/cast.rs:106:5 + --> tests/ui/cast.rs:104:5 | LL | 1usize as i8; | ^^^^^^^^^^^^ @@ -237,7 +237,7 @@ LL + i8::try_from(1usize); | error: casting `usize` to `i16` may truncate the value - --> tests/ui/cast.rs:110:5 + --> tests/ui/cast.rs:108:5 | LL | 1usize as i16; | ^^^^^^^^^^^^^ @@ -250,7 +250,7 @@ LL + i16::try_from(1usize); | error: casting `usize` to `i16` may wrap around the value on targets with 16-bit wide pointers - --> tests/ui/cast.rs:110:5 + --> tests/ui/cast.rs:108:5 | LL | 1usize as i16; | ^^^^^^^^^^^^^ @@ -259,7 +259,7 @@ LL | 1usize as i16; = note: for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types error: casting `usize` to `i32` may truncate the value on targets with 64-bit wide pointers - --> tests/ui/cast.rs:115:5 + --> tests/ui/cast.rs:113:5 | LL | 1usize as i32; | ^^^^^^^^^^^^^ @@ -272,19 +272,19 @@ LL + i32::try_from(1usize); | error: casting `usize` to `i32` may wrap around the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:115:5 + --> tests/ui/cast.rs:113:5 | LL | 1usize as i32; | ^^^^^^^^^^^^^ error: casting `usize` to `i64` may wrap around the value on targets with 64-bit wide pointers - --> tests/ui/cast.rs:120:5 + --> tests/ui/cast.rs:118:5 | LL | 1usize as i64; | ^^^^^^^^^^^^^ error: casting `u16` to `isize` may wrap around the value on targets with 16-bit wide pointers - --> tests/ui/cast.rs:126:5 + --> tests/ui/cast.rs:124:5 | LL | 1u16 as isize; | ^^^^^^^^^^^^^ @@ -293,13 +293,13 @@ LL | 1u16 as isize; = note: for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types error: casting `u32` to `isize` may wrap around the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:130:5 + --> tests/ui/cast.rs:128:5 | LL | 1u32 as isize; | ^^^^^^^^^^^^^ error: casting `u64` to `isize` may truncate the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:134:5 + --> tests/ui/cast.rs:132:5 | LL | 1u64 as isize; | ^^^^^^^^^^^^^ @@ -312,55 +312,55 @@ LL + isize::try_from(1u64); | error: casting `u64` to `isize` may wrap around the value on targets with 64-bit wide pointers - --> tests/ui/cast.rs:134:5 + --> tests/ui/cast.rs:132:5 | LL | 1u64 as isize; | ^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:140:5 + --> tests/ui/cast.rs:138:5 | LL | -1i32 as u32; | ^^^^^^^^^^^^ error: casting `isize` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:144:5 + --> tests/ui/cast.rs:142:5 | LL | -1isize as usize; | ^^^^^^^^^^^^^^^^ error: casting `i8` to `u8` may lose the sign of the value - --> tests/ui/cast.rs:156:5 + --> tests/ui/cast.rs:154:5 | LL | (i8::MIN).abs() as u8; | ^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `u64` may lose the sign of the value - --> tests/ui/cast.rs:161:5 + --> tests/ui/cast.rs:159:5 | LL | (-1i64).abs() as u64; | ^^^^^^^^^^^^^^^^^^^^ error: casting `isize` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:163:5 + --> tests/ui/cast.rs:161:5 | LL | (-1isize).abs() as usize; | ^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `u64` may lose the sign of the value - --> tests/ui/cast.rs:171:5 + --> tests/ui/cast.rs:169:5 | LL | (unsafe { (-1i64).checked_abs().unwrap_unchecked() }) as u64; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `u64` may lose the sign of the value - --> tests/ui/cast.rs:187:5 + --> tests/ui/cast.rs:185:5 | LL | (unsafe { (-1i64).checked_isqrt().unwrap_unchecked() }) as u64; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `i8` may truncate the value - --> tests/ui/cast.rs:239:5 + --> tests/ui/cast.rs:237:5 | LL | (-99999999999i64).min(1) as i8; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -373,7 +373,7 @@ LL + i8::try_from((-99999999999i64).min(1)); | error: casting `u64` to `u8` may truncate the value - --> tests/ui/cast.rs:253:5 + --> tests/ui/cast.rs:251:5 | LL | 999999u64.clamp(0, 256) as u8; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -386,7 +386,7 @@ LL + u8::try_from(999999u64.clamp(0, 256)); | error: casting `main::E2` to `u8` may truncate the value - --> tests/ui/cast.rs:276:21 + --> tests/ui/cast.rs:274:21 | LL | let _ = self as u8; | ^^^^^^^^^^ @@ -399,7 +399,7 @@ LL + let _ = u8::try_from(self); | error: casting `main::E2::B` to `u8` will truncate the value - --> tests/ui/cast.rs:279:21 + --> tests/ui/cast.rs:277:21 | LL | let _ = Self::B as u8; | ^^^^^^^^^^^^^ @@ -408,7 +408,7 @@ LL | let _ = Self::B as u8; = help: to override `-D warnings` add `#[allow(clippy::cast_enum_truncation)]` error: casting `main::E5` to `i8` may truncate the value - --> tests/ui/cast.rs:321:21 + --> tests/ui/cast.rs:319:21 | LL | let _ = self as i8; | ^^^^^^^^^^ @@ -421,13 +421,13 @@ LL + let _ = i8::try_from(self); | error: casting `main::E5::A` to `i8` will truncate the value - --> tests/ui/cast.rs:324:21 + --> tests/ui/cast.rs:322:21 | LL | let _ = Self::A as i8; | ^^^^^^^^^^^^^ error: casting `main::E6` to `i16` may truncate the value - --> tests/ui/cast.rs:342:21 + --> tests/ui/cast.rs:340:21 | LL | let _ = self as i16; | ^^^^^^^^^^^ @@ -440,7 +440,7 @@ LL + let _ = i16::try_from(self); | error: casting `main::E7` to `usize` may truncate the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:362:21 + --> tests/ui/cast.rs:360:21 | LL | let _ = self as usize; | ^^^^^^^^^^^^^ @@ -453,7 +453,7 @@ LL + let _ = usize::try_from(self); | error: casting `main::E10` to `u16` may truncate the value - --> tests/ui/cast.rs:410:21 + --> tests/ui/cast.rs:408:21 | LL | let _ = self as u16; | ^^^^^^^^^^^ @@ -466,7 +466,7 @@ LL + let _ = u16::try_from(self); | error: casting `u32` to `u8` may truncate the value - --> tests/ui/cast.rs:422:13 + --> tests/ui/cast.rs:420:13 | LL | let c = (q >> 16) as u8; | ^^^^^^^^^^^^^^^ @@ -479,7 +479,7 @@ LL + let c = u8::try_from(q >> 16); | error: casting `u32` to `u8` may truncate the value - --> tests/ui/cast.rs:427:13 + --> tests/ui/cast.rs:425:13 | LL | let c = (q / 1000) as u8; | ^^^^^^^^^^^^^^^^ @@ -492,85 +492,85 @@ LL + let c = u8::try_from(q / 1000); | error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:440:9 + --> tests/ui/cast.rs:438:9 | LL | (x * x) as u32; | ^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:446:32 + --> tests/ui/cast.rs:444:32 | LL | let _a = |x: i32| -> u32 { (x * x * x * x) as u32 }; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:449:5 + --> tests/ui/cast.rs:447:5 | LL | (2_i32).checked_pow(3).unwrap() as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:451:5 + --> tests/ui/cast.rs:449:5 | LL | (-2_i32).pow(3) as u32; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:456:5 + --> tests/ui/cast.rs:454:5 | LL | (-5_i32 % 2) as u32; | ^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:459:5 + --> tests/ui/cast.rs:457:5 | LL | (-5_i32 % -2) as u32; | ^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:463:5 + --> tests/ui/cast.rs:461:5 | LL | (-2_i32 >> 1) as u32; | ^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:467:5 + --> tests/ui/cast.rs:465:5 | LL | (x * x) as u32; | ^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:469:5 + --> tests/ui/cast.rs:467:5 | LL | (x * x * x) as u32; | ^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:473:5 + --> tests/ui/cast.rs:471:5 | LL | (y * y * y * y * -2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:476:5 + --> tests/ui/cast.rs:474:5 | LL | (y * y * y / y * 2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:478:5 + --> tests/ui/cast.rs:476:5 | LL | (y * y / y * 2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:481:5 + --> tests/ui/cast.rs:479:5 | LL | (y / y * y * -2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^ error: equal expressions as operands to `/` - --> tests/ui/cast.rs:481:6 + --> tests/ui/cast.rs:479:6 | LL | (y / y * y * -2) as u16; | ^^^^^ @@ -578,97 +578,97 @@ LL | (y / y * y * -2) as u16; = note: `#[deny(clippy::eq_op)]` on by default error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:485:5 + --> tests/ui/cast.rs:483:5 | LL | (y + y + y + -2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:488:5 + --> tests/ui/cast.rs:486:5 | LL | (y + y + y + 2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:492:5 + --> tests/ui/cast.rs:490:5 | LL | (z + -2) as u16; | ^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:495:5 + --> tests/ui/cast.rs:493:5 | LL | (z + z + 2) as u16; | ^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:499:9 + --> tests/ui/cast.rs:497:9 | LL | (a * a * b * b * c * c) as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:501:9 + --> tests/ui/cast.rs:499:9 | LL | (a * b * c) as u32; | ^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:504:9 + --> tests/ui/cast.rs:502:9 | LL | (a * -b * c) as u32; | ^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:507:9 + --> tests/ui/cast.rs:505:9 | LL | (a * b * c * c) as u32; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:509:9 + --> tests/ui/cast.rs:507:9 | LL | (a * -2) as u32; | ^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:512:9 + --> tests/ui/cast.rs:510:9 | LL | (a * b * c * -2) as u32; | ^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:515:9 + --> tests/ui/cast.rs:513:9 | LL | (a / b) as u32; | ^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:517:9 + --> tests/ui/cast.rs:515:9 | LL | (a / b * c) as u32; | ^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:520:9 + --> tests/ui/cast.rs:518:9 | LL | (a / b + b * c) as u32; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:523:9 + --> tests/ui/cast.rs:521:9 | LL | a.saturating_pow(3) as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:526:9 + --> tests/ui/cast.rs:524:9 | LL | (a.abs() * b.pow(2) / c.abs()) as u32 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:534:21 + --> tests/ui/cast.rs:532:21 | LL | let _ = i32::MIN as u32; // cast_sign_loss | ^^^^^^^^^^^^^^^ @@ -679,7 +679,7 @@ LL | m!(); = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) error: casting `u32` to `u8` may truncate the value - --> tests/ui/cast.rs:537:21 + --> tests/ui/cast.rs:535:21 | LL | let _ = u32::MAX as u8; // cast_possible_truncation | ^^^^^^^^^^^^^^ @@ -696,7 +696,7 @@ LL + let _ = u8::try_from(u32::MAX); // cast_possible_truncation | error: casting `f64` to `f32` may truncate the value - --> tests/ui/cast.rs:540:21 + --> tests/ui/cast.rs:538:21 | LL | let _ = std::f64::consts::PI as f32; // cast_possible_truncation | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -708,7 +708,7 @@ LL | m!(); = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) error: casting `i64` to `usize` may truncate the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:551:5 + --> tests/ui/cast.rs:549:5 | LL | bar.unwrap().unwrap() as usize | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -721,13 +721,13 @@ LL + usize::try_from(bar.unwrap().unwrap()) | error: casting `i64` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:551:5 + --> tests/ui/cast.rs:549:5 | LL | bar.unwrap().unwrap() as usize | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `u64` to `u8` may truncate the value - --> tests/ui/cast.rs:568:5 + --> tests/ui/cast.rs:566:5 | LL | (256 & 999999u64) as u8; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -740,7 +740,7 @@ LL + u8::try_from(256 & 999999u64); | error: casting `u64` to `u8` may truncate the value - --> tests/ui/cast.rs:571:5 + --> tests/ui/cast.rs:569:5 | LL | (255 % 999999u64) as u8; | ^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/cast_size.rs b/src/tools/clippy/tests/ui/cast_size.rs index e9240180886..e5bef2a99d5 100644 --- a/src/tools/clippy/tests/ui/cast_size.rs +++ b/src/tools/clippy/tests/ui/cast_size.rs @@ -1,7 +1,7 @@ //@revisions: 32bit 64bit //@[32bit]ignore-bitwidth: 64 //@[64bit]ignore-bitwidth: 32 -//@no-rustfix +//@no-rustfix: only some diagnostics have suggestions #![warn( clippy::cast_precision_loss, diff --git a/src/tools/clippy/tests/ui/checked_unwrap/complex_conditionals_nested.rs b/src/tools/clippy/tests/ui/checked_unwrap/complex_conditionals_nested.rs index 145885702a9..7635f848cb3 100644 --- a/src/tools/clippy/tests/ui/checked_unwrap/complex_conditionals_nested.rs +++ b/src/tools/clippy/tests/ui/checked_unwrap/complex_conditionals_nested.rs @@ -4,7 +4,7 @@ clippy::branches_sharing_code, clippy::unnecessary_literal_unwrap )] -//@no-rustfix +//@no-rustfix: has placeholders fn test_nested() { fn nested() { let x = Some(()); diff --git a/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.rs b/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.rs index ba0d36d85fe..785b2473c05 100644 --- a/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.rs +++ b/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.rs @@ -1,4 +1,4 @@ -//@no-rustfix: overlapping suggestions +//@no-rustfix: has placeholders #![deny(clippy::panicking_unwrap, clippy::unnecessary_unwrap)] #![allow( clippy::if_same_then_else, diff --git a/src/tools/clippy/tests/ui/comparison_chain.rs b/src/tools/clippy/tests/ui/comparison_chain.rs index 669690a4d42..6db75a4f364 100644 --- a/src/tools/clippy/tests/ui/comparison_chain.rs +++ b/src/tools/clippy/tests/ui/comparison_chain.rs @@ -1,4 +1,4 @@ -//@no-rustfix +//@no-rustfix: has placeholders #![allow(dead_code)] #![warn(clippy::comparison_chain)] @@ -12,11 +12,10 @@ fn f(x: u8, y: u8, z: u8) { a() } - if x > y { - //~^ comparison_chain - + // Ignored: Not all cases are covered + if x < y { a() - } else if x < y { + } else if x > y { b() } @@ -123,9 +122,8 @@ fn g(x: f64, y: f64, z: f64) { } fn h<T: Ord>(x: T, y: T, z: T) { + // Ignored: Not all cases are covered if x > y { - //~^ comparison_chain - a() } else if x < y { b() diff --git a/src/tools/clippy/tests/ui/comparison_chain.stderr b/src/tools/clippy/tests/ui/comparison_chain.stderr index 0256573d0d9..ce580bd54a1 100644 --- a/src/tools/clippy/tests/ui/comparison_chain.stderr +++ b/src/tools/clippy/tests/ui/comparison_chain.stderr @@ -1,12 +1,12 @@ error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:15:5 + --> tests/ui/comparison_chain.rs:29:5 | LL | / if x > y { LL | | LL | | LL | | a() -LL | | } else if x < y { -LL | | b() +... | +LL | | c() LL | | } | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&y) {...}` | @@ -14,19 +14,7 @@ LL | | } = help: to override `-D warnings` add `#[allow(clippy::comparison_chain)]` error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:30:5 - | -LL | / if x > y { -LL | | -LL | | -LL | | a() -... | -LL | | c() -LL | | } - | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&y) {...}` - -error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:40:5 + --> tests/ui/comparison_chain.rs:39:5 | LL | / if x > y { LL | | @@ -38,7 +26,7 @@ LL | | } | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&y) {...}` error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:50:5 + --> tests/ui/comparison_chain.rs:49:5 | LL | / if x > 1 { LL | | @@ -50,19 +38,7 @@ LL | | } | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&1) {...}` error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:126:5 - | -LL | / if x > y { -LL | | -LL | | -LL | | a() -LL | | } else if x < y { -LL | | b() -LL | | } - | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&y) {...}` - -error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:134:5 + --> tests/ui/comparison_chain.rs:132:5 | LL | / if x > y { LL | | @@ -74,7 +50,7 @@ LL | | } | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&y) {...}` error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:144:5 + --> tests/ui/comparison_chain.rs:142:5 | LL | / if x > y { LL | | @@ -86,7 +62,7 @@ LL | | } | |_____^ help: consider rewriting the `if` chain with `match`: `match x.cmp(&y) {...}` error: `if` chain can be rewritten with `match` - --> tests/ui/comparison_chain.rs:251:5 + --> tests/ui/comparison_chain.rs:249:5 | LL | / if x + 1 > y * 2 { LL | | @@ -97,5 +73,5 @@ LL | | "cc" LL | | } | |_____^ help: consider rewriting the `if` chain with `match`: `match (x + 1).cmp(&(y * 2)) {...}` -error: aborting due to 8 previous errors +error: aborting due to 6 previous errors diff --git a/src/tools/clippy/tests/ui/crashes/auxiliary/proc_macro_crash.rs b/src/tools/clippy/tests/ui/crashes/auxiliary/proc_macro_crash.rs index 5dffddc119a..cf37a4c5c4b 100644 --- a/src/tools/clippy/tests/ui/crashes/auxiliary/proc_macro_crash.rs +++ b/src/tools/clippy/tests/ui/crashes/auxiliary/proc_macro_crash.rs @@ -1,6 +1,3 @@ -#![feature(repr128)] -#![allow(incomplete_features)] - extern crate proc_macro; use proc_macro::{Delimiter, Group, Ident, Span, TokenStream, TokenTree}; diff --git a/src/tools/clippy/tests/ui/crashes/ice-12491.fixed b/src/tools/clippy/tests/ui/crashes/ice-12491.fixed index ab9c61463e9..8a31eb9550b 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-12491.fixed +++ b/src/tools/clippy/tests/ui/crashes/ice-12491.fixed @@ -3,6 +3,6 @@ fn main() { if (true) { // anything一些中文 - //~^^ needless_return + //~^ needless_return } } diff --git a/src/tools/clippy/tests/ui/crashes/ice-12491.rs b/src/tools/clippy/tests/ui/crashes/ice-12491.rs index b774bd3788a..013aadadce5 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-12491.rs +++ b/src/tools/clippy/tests/ui/crashes/ice-12491.rs @@ -4,6 +4,6 @@ fn main() { if (true) { // anything一些中文 return; - //~^^ needless_return + //~^ needless_return } } diff --git a/src/tools/clippy/tests/ui/crashes/ice-12491.stderr b/src/tools/clippy/tests/ui/crashes/ice-12491.stderr index 7cc418898e8..4b77299dd5e 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-12491.stderr +++ b/src/tools/clippy/tests/ui/crashes/ice-12491.stderr @@ -1,10 +1,8 @@ error: unneeded `return` statement - --> tests/ui/crashes/ice-12491.rs:5:24 + --> tests/ui/crashes/ice-12491.rs:6:9 | -LL | // anything一些中文 - | ____________________________^ -LL | | return; - | |______________^ +LL | return; + | ^^^^^^ | = note: `-D clippy::needless-return` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_return)]` diff --git a/src/tools/clippy/tests/ui/crashes/ice-12979.1.fixed b/src/tools/clippy/tests/ui/crashes/ice-12979.1.fixed new file mode 100644 index 00000000000..e68f1c20a8e --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/ice-12979.1.fixed @@ -0,0 +1,2 @@ +#[deny(clippy::declare_interior_mutable_const)] //~ empty_line_after_outer_attr +const FOO: u8 = 0; diff --git a/src/tools/clippy/tests/ui/crashes/ice-12979.2.fixed b/src/tools/clippy/tests/ui/crashes/ice-12979.2.fixed new file mode 100644 index 00000000000..e89fa636d4b --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/ice-12979.2.fixed @@ -0,0 +1,3 @@ +#![deny(clippy::declare_interior_mutable_const)] //~ empty_line_after_outer_attr + +const FOO: u8 = 0; diff --git a/src/tools/clippy/tests/ui/crashes/ice-12979.rs b/src/tools/clippy/tests/ui/crashes/ice-12979.rs new file mode 100644 index 00000000000..a2787291d9e --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/ice-12979.rs @@ -0,0 +1,3 @@ +#[deny(clippy::declare_interior_mutable_const)] //~ empty_line_after_outer_attr + +const FOO: u8 = 0; diff --git a/src/tools/clippy/tests/ui/crashes/ice-12979.stderr b/src/tools/clippy/tests/ui/crashes/ice-12979.stderr new file mode 100644 index 00000000000..5e760816164 --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/ice-12979.stderr @@ -0,0 +1,19 @@ +error: empty line after outer attribute + --> tests/ui/crashes/ice-12979.rs:1:1 + | +LL | / #[deny(clippy::declare_interior_mutable_const)] +LL | | + | |_^ +LL | const FOO: u8 = 0; + | --------- the attribute applies to this constant item + | + = note: `-D clippy::empty-line-after-outer-attr` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::empty_line_after_outer_attr)]` + = help: if the empty line is unintentional, remove it +help: if the attribute should apply to the crate use an inner attribute + | +LL | #![deny(clippy::declare_interior_mutable_const)] + | + + +error: aborting due to 1 previous error + diff --git a/src/tools/clippy/tests/ui/crashes/ice-6840.rs b/src/tools/clippy/tests/ui/crashes/ice-6840.rs index 94481f24899..f30d83e1eee 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-6840.rs +++ b/src/tools/clippy/tests/ui/crashes/ice-6840.rs @@ -2,6 +2,7 @@ //! This is a reproducer for the ICE 6840: https://github.com/rust-lang/rust-clippy/issues/6840. //! The ICE is caused by `TyCtxt::layout_of` and `is_normalizable` not being strict enough #![allow(dead_code)] +#![deny(clippy::zero_sized_map_values)] // For ICE 14822 use std::collections::HashMap; pub trait Rule { diff --git a/src/tools/clippy/tests/ui/crashes/ice-9445.rs b/src/tools/clippy/tests/ui/crashes/ice-9445.rs deleted file mode 100644 index 232b8e4a795..00000000000 --- a/src/tools/clippy/tests/ui/crashes/ice-9445.rs +++ /dev/null @@ -1,4 +0,0 @@ -const UNINIT: core::mem::MaybeUninit<core::cell::Cell<&'static ()>> = core::mem::MaybeUninit::uninit(); -//~^ declare_interior_mutable_const - -fn main() {} diff --git a/src/tools/clippy/tests/ui/crashes/ice-9445.stderr b/src/tools/clippy/tests/ui/crashes/ice-9445.stderr deleted file mode 100644 index 76689cd6f5c..00000000000 --- a/src/tools/clippy/tests/ui/crashes/ice-9445.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error: a `const` item should not be interior mutable - --> tests/ui/crashes/ice-9445.rs:1:1 - | -LL | const UNINIT: core::mem::MaybeUninit<core::cell::Cell<&'static ()>> = core::mem::MaybeUninit::uninit(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` - = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` - -error: aborting due to 1 previous error - diff --git a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.fixed b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.fixed index 3b9dee81898..5993c2faf0d 100644 --- a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.fixed +++ b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.fixed @@ -123,3 +123,19 @@ mod issue12131 { //~^ dbg_macro } } + +mod issue14914 { + use std::future::Future; + + fn takes_async_fn<F, Fut>(_f: F) + where + F: FnOnce(i32) -> Fut, + Fut: Future<Output = i32>, + { + } + + fn should_not_panic() { + takes_async_fn(async |val| val); + //~^ dbg_macro + } +} diff --git a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.rs b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.rs index 1dbbc6fe984..58d7e106e23 100644 --- a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.rs +++ b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.rs @@ -123,3 +123,19 @@ mod issue12131 { //~^ dbg_macro } } + +mod issue14914 { + use std::future::Future; + + fn takes_async_fn<F, Fut>(_f: F) + where + F: FnOnce(i32) -> Fut, + Fut: Future<Output = i32>, + { + } + + fn should_not_panic() { + takes_async_fn(async |val| dbg!(val)); + //~^ dbg_macro + } +} diff --git a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.stderr b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.stderr index f1412023cc8..5a65b38a85c 100644 --- a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.stderr +++ b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro.stderr @@ -230,5 +230,17 @@ LL - print!("{}", dbg!(s)); LL + print!("{}", s); | -error: aborting due to 19 previous errors +error: the `dbg!` macro is intended as a debugging tool + --> tests/ui/dbg_macro/dbg_macro.rs:138:36 + | +LL | takes_async_fn(async |val| dbg!(val)); + | ^^^^^^^^^ + | +help: remove the invocation before committing it to a version control system + | +LL - takes_async_fn(async |val| dbg!(val)); +LL + takes_async_fn(async |val| val); + | + +error: aborting due to 20 previous errors diff --git a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro_unfixable.rs b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro_unfixable.rs index 1a5119651b5..96b35c9a20c 100644 --- a/src/tools/clippy/tests/ui/dbg_macro/dbg_macro_unfixable.rs +++ b/src/tools/clippy/tests/ui/dbg_macro/dbg_macro_unfixable.rs @@ -1,4 +1,4 @@ -//@no-rustfix +//@no-rustfix: overlapping suggestions //@error-in-other-file: #![warn(clippy::dbg_macro)] diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const.rs b/src/tools/clippy/tests/ui/declare_interior_mutable_const.rs new file mode 100644 index 00000000000..c65df275038 --- /dev/null +++ b/src/tools/clippy/tests/ui/declare_interior_mutable_const.rs @@ -0,0 +1,200 @@ +#![deny(clippy::declare_interior_mutable_const)] +#![allow(clippy::missing_const_for_thread_local)] + +use core::cell::{Cell, RefCell, UnsafeCell}; +use core::mem::{ManuallyDrop, MaybeUninit}; +use core::ptr; +use core::sync::atomic::AtomicUsize; + +fn main() {} + +const _: Cell<u32> = Cell::new(0); +const UNSAFE_CELL: UnsafeCell<u32> = UnsafeCell::new(0); //~ declare_interior_mutable_const +const REF_CELL: RefCell<u32> = RefCell::new(0); //~ declare_interior_mutable_const +const CELL: Cell<u32> = Cell::new(0); //~ declare_interior_mutable_const + +// Constants can't contain pointers or references to type with interior mutability. +const fn make_ptr() -> *const Cell<u32> { + ptr::null() +} +const PTR: *const Cell<u32> = make_ptr(); + +const fn casted_to_cell_ptr() -> *const Cell<u32> { + const VALUE: u32 = 0; + &VALUE as *const _ as *const Cell<u32> +} +const TRANSMUTED_PTR: *const Cell<u32> = casted_to_cell_ptr(); + +const CELL_TUPLE: (bool, Cell<u32>) = (true, Cell::new(0)); //~ declare_interior_mutable_const +const CELL_ARRAY: [Cell<u32>; 2] = [Cell::new(0), Cell::new(0)]; //~ declare_interior_mutable_const + +const UNINIT_CELL: MaybeUninit<Cell<&'static ()>> = MaybeUninit::uninit(); + +struct CellStruct { + x: u32, + cell: Cell<u32>, +} +//~v declare_interior_mutable_const +const CELL_STRUCT: CellStruct = CellStruct { + x: 0, + cell: Cell::new(0), +}; + +enum CellEnum { + Cell(Cell<u32>), +} +const CELL_ENUM: CellEnum = CellEnum::Cell(Cell::new(0)); //~ declare_interior_mutable_const + +const NONE_CELL: Option<Cell<u32>> = None; +const SOME_CELL: Option<Cell<u32>> = Some(Cell::new(0)); //~ declare_interior_mutable_const + +struct NestedCell([(Option<Cell<u32>>,); 1]); +const NONE_NESTED_CELL: NestedCell = NestedCell([(None,)]); +const SOME_NESTED_CELL: NestedCell = NestedCell([(Some(Cell::new(0)),)]); //~ declare_interior_mutable_const + +union UnionCell { + cell: ManuallyDrop<Cell<u32>>, + x: u32, +} +//~v declare_interior_mutable_const +const UNION_CELL: UnionCell = UnionCell { + cell: ManuallyDrop::new(Cell::new(0)), +}; +// Access to either union field is valid so we have to be conservative here. +const UNION_U32: UnionCell = UnionCell { x: 0 }; //~ declare_interior_mutable_const + +struct Assoc; +impl Assoc { + const SELF: Self = Self; + const CELL: Cell<u32> = Cell::new(0); //~ declare_interior_mutable_const +} + +struct AssocCell(Cell<u32>); +impl AssocCell { + const SELF: Self = Self(Cell::new(0)); //~ declare_interior_mutable_const + const NONE_SELF: Option<Self> = None; + const SOME_SELF: Option<Self> = Some(Self(Cell::new(0))); //~ declare_interior_mutable_const +} + +trait ConstDefault { + // May or may not be `Freeze` + const DEFAULT: Self; +} +impl ConstDefault for u32 { + const DEFAULT: Self = 0; +} +impl<T: ConstDefault> ConstDefault for Cell<T> { + // Interior mutability is forced by the trait. + const DEFAULT: Self = Cell::new(T::DEFAULT); +} +impl<T: ConstDefault> ConstDefault for Option<Cell<T>> { + // Could have been `None` + const DEFAULT: Self = Some(Cell::new(T::DEFAULT)); //~ declare_interior_mutable_const +} + +enum GenericEnumCell<T> { + Cell(Cell<T>), + Other(T), +} +impl<T: ConstDefault> ConstDefault for GenericEnumCell<T> { + const DEFAULT: Self = Self::Cell(Cell::new(T::DEFAULT)); //~ declare_interior_mutable_const +} +impl<T: ConstDefault> GenericEnumCell<T> { + const CELL: Self = Self::DEFAULT; //~ declare_interior_mutable_const + const CELL_BY_DEFAULT: Self = Self::Cell(Cell::DEFAULT); //~ declare_interior_mutable_const + const OTHER: Self = Self::Other(T::DEFAULT); + const FROM_OTHER: Self = Self::OTHER; +} + +enum GenericNestedEnumCell<T> { + GenericEnumCell(GenericEnumCell<T>), + EnumCell(GenericEnumCell<u32>), + Other(T), +} +impl<T: ConstDefault> GenericNestedEnumCell<T> { + const GENERIC_OTHER: Self = Self::GenericEnumCell(GenericEnumCell::<T>::FROM_OTHER); + const GENERIC_CELL: Self = Self::GenericEnumCell(GenericEnumCell::<T>::CELL); //~ declare_interior_mutable_const + const ENUM_OTHER: Self = Self::EnumCell(GenericEnumCell::<u32>::FROM_OTHER); + const ENUM_CELL: Self = Self::EnumCell(GenericEnumCell::<u32>::CELL); //~ declare_interior_mutable_const +} + +trait CellTrait: ConstDefault + Sized { + // Must be non-`Freeze` due to the type + const CELL: Cell<Self>; //~ declare_interior_mutable_const + // May be non-`Freeze`, but may not be + const OPTION_CELL: Option<Cell<Self>>; + // May get redefined by the impl, but the default is non-`Freeze`. + const SOME_CELL: Option<Cell<Self>> = Some(Cell::new(Self::DEFAULT)); //~ declare_interior_mutable_const + // May get redefined by the impl, but the default is `Freeze`. + const NONE_CELL: Option<Cell<Self>> = None; +} + +trait CellWithAssoc { + type T; + const DEFAULT: Self::T; + // Must be non-`Freeze` due to the type + const CELL: Cell<Self::T>; //~ declare_interior_mutable_const + // May be non-`Freeze`, but may not be + const OPTION_CELL: Option<Cell<Self::T>>; + // May get redefined by the impl, but the default is non-`Freeze`. + const SOME_CELL: Option<Cell<Self::T>> = Some(Cell::new(Self::DEFAULT)); //~ declare_interior_mutable_const + // May get redefined by the impl, but the default is `Freeze`. + const NONE_CELL: Option<Cell<Self::T>> = None; +} + +impl CellWithAssoc for () { + type T = u32; + const DEFAULT: Self::T = 0; + const CELL: Cell<Self::T> = Cell::new(0); + const OPTION_CELL: Option<Cell<Self::T>> = None; +} + +trait WithAssoc { + type T; + const VALUE: Self::T; +} + +impl WithAssoc for u32 { + type T = Cell<u32>; + // The cell comes from the impl block, not the trait. + const VALUE: Self::T = Cell::new(0); //~ declare_interior_mutable_const +} + +trait WithLayeredAssoc { + type T: WithAssoc; + const VALUE: <Self::T as WithAssoc>::T; +} + +impl WithLayeredAssoc for u32 { + type T = u32; + // The cell comes from the impl block, not the trait. + const VALUE: <Self::T as WithAssoc>::T = Cell::new(0); //~ declare_interior_mutable_const +} + +trait WithGenericAssoc { + type T<U>; + const VALUE: Self::T<u32>; +} + +impl WithGenericAssoc for u32 { + type T<U> = Cell<U>; + const VALUE: Self::T<u32> = Cell::new(0); //~ declare_interior_mutable_const +} + +trait WithGenericAssocCell { + type T<U>; + const VALUE: Self::T<Cell<u32>>; +} + +impl WithGenericAssocCell for u32 { + type T<U> = Option<U>; + const VALUE: Self::T<Cell<u32>> = None; +} + +impl WithGenericAssocCell for i32 { + type T<U> = Option<U>; + const VALUE: Self::T<Cell<u32>> = Some(Cell::new(0)); //~ declare_interior_mutable_const +} + +thread_local!(static THREAD_LOCAL_CELL: Cell<u32> = const { Cell::new(0) }); +thread_local!(static THREAD_LOCAL_CELL2: Cell<u32> = Cell::new(0)); diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const.stderr b/src/tools/clippy/tests/ui/declare_interior_mutable_const.stderr new file mode 100644 index 00000000000..9742c17486c --- /dev/null +++ b/src/tools/clippy/tests/ui/declare_interior_mutable_const.stderr @@ -0,0 +1,197 @@ +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:12:7 + | +LL | const UNSAFE_CELL: UnsafeCell<u32> = UnsafeCell::new(0); + | ^^^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item +note: the lint level is defined here + --> tests/ui/declare_interior_mutable_const.rs:1:9 + | +LL | #![deny(clippy::declare_interior_mutable_const)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:13:7 + | +LL | const REF_CELL: RefCell<u32> = RefCell::new(0); + | ^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:14:7 + | +LL | const CELL: Cell<u32> = Cell::new(0); + | ^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:28:7 + | +LL | const CELL_TUPLE: (bool, Cell<u32>) = (true, Cell::new(0)); + | ^^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:29:7 + | +LL | const CELL_ARRAY: [Cell<u32>; 2] = [Cell::new(0), Cell::new(0)]; + | ^^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:38:7 + | +LL | const CELL_STRUCT: CellStruct = CellStruct { + | ^^^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:46:7 + | +LL | const CELL_ENUM: CellEnum = CellEnum::Cell(Cell::new(0)); + | ^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:49:7 + | +LL | const SOME_CELL: Option<Cell<u32>> = Some(Cell::new(0)); + | ^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:53:7 + | +LL | const SOME_NESTED_CELL: NestedCell = NestedCell([(Some(Cell::new(0)),)]); + | ^^^^^^^^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:60:7 + | +LL | const UNION_CELL: UnionCell = UnionCell { + | ^^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:64:7 + | +LL | const UNION_U32: UnionCell = UnionCell { x: 0 }; + | ^^^^^^^^^ + | + = help: did you mean to make this a `thread_local!` item + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:69:11 + | +LL | const CELL: Cell<u32> = Cell::new(0); + | ^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:74:11 + | +LL | const SELF: Self = Self(Cell::new(0)); + | ^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:76:11 + | +LL | const SOME_SELF: Option<Self> = Some(Self(Cell::new(0))); + | ^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:92:11 + | +LL | const DEFAULT: Self = Some(Cell::new(T::DEFAULT)); + | ^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:100:11 + | +LL | const DEFAULT: Self = Self::Cell(Cell::new(T::DEFAULT)); + | ^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:103:11 + | +LL | const CELL: Self = Self::DEFAULT; + | ^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:104:11 + | +LL | const CELL_BY_DEFAULT: Self = Self::Cell(Cell::DEFAULT); + | ^^^^^^^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:116:11 + | +LL | const GENERIC_CELL: Self = Self::GenericEnumCell(GenericEnumCell::<T>::CELL); + | ^^^^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:118:11 + | +LL | const ENUM_CELL: Self = Self::EnumCell(GenericEnumCell::<u32>::CELL); + | ^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:123:11 + | +LL | const CELL: Cell<Self>; + | ^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:127:11 + | +LL | const SOME_CELL: Option<Cell<Self>> = Some(Cell::new(Self::DEFAULT)); + | ^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:136:11 + | +LL | const CELL: Cell<Self::T>; + | ^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:140:11 + | +LL | const SOME_CELL: Option<Cell<Self::T>> = Some(Cell::new(Self::DEFAULT)); + | ^^^^^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:160:11 + | +LL | const VALUE: Self::T = Cell::new(0); + | ^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:171:11 + | +LL | const VALUE: <Self::T as WithAssoc>::T = Cell::new(0); + | ^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:181:11 + | +LL | const VALUE: Self::T<u32> = Cell::new(0); + | ^^^^^ + +error: named constant with interior mutability + --> tests/ui/declare_interior_mutable_const.rs:196:11 + | +LL | const VALUE: Self::T<Cell<u32>> = Some(Cell::new(0)); + | ^^^^^ + +error: aborting due to 28 previous errors + diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const/enums.rs b/src/tools/clippy/tests/ui/declare_interior_mutable_const/enums.rs deleted file mode 100644 index c87468277fb..00000000000 --- a/src/tools/clippy/tests/ui/declare_interior_mutable_const/enums.rs +++ /dev/null @@ -1,135 +0,0 @@ -#![warn(clippy::declare_interior_mutable_const)] - -use std::cell::Cell; -use std::sync::atomic::AtomicUsize; - -enum OptionalCell { - Unfrozen(Cell<bool>), - Frozen, -} - -// a constant with enums should be linted only when the used variant is unfrozen (#3962). -const UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(true)); -//~^ declare_interior_mutable_const -const FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen; - -const fn unfrozen_variant() -> OptionalCell { - OptionalCell::Unfrozen(Cell::new(false)) -} - -const fn frozen_variant() -> OptionalCell { - OptionalCell::Frozen -} - -const UNFROZEN_VARIANT_FROM_FN: OptionalCell = unfrozen_variant(); -//~^ declare_interior_mutable_const -const FROZEN_VARIANT_FROM_FN: OptionalCell = frozen_variant(); - -enum NestedInnermost { - Unfrozen(AtomicUsize), - Frozen, -} - -struct NestedInner { - inner: NestedInnermost, -} - -enum NestedOuter { - NestedInner(NestedInner), - NotNested(usize), -} - -struct NestedOutermost { - outer: NestedOuter, -} - -// a constant with enums should be linted according to its value, no matter how structs involve. -const NESTED_UNFROZEN_VARIANT: NestedOutermost = NestedOutermost { - //~^ declare_interior_mutable_const - outer: NestedOuter::NestedInner(NestedInner { - inner: NestedInnermost::Unfrozen(AtomicUsize::new(2)), - }), -}; -const NESTED_FROZEN_VARIANT: NestedOutermost = NestedOutermost { - outer: NestedOuter::NestedInner(NestedInner { - inner: NestedInnermost::Frozen, - }), -}; - -trait AssocConsts { - // When there's no default value, lint it only according to its type. - // Further details are on the corresponding code (`NonCopyConst::check_trait_item`). - const TO_BE_UNFROZEN_VARIANT: OptionalCell; - //~^ declare_interior_mutable_const - const TO_BE_FROZEN_VARIANT: OptionalCell; - //~^ declare_interior_mutable_const - - // Lint default values accordingly. - const DEFAULTED_ON_UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); - //~^ declare_interior_mutable_const - const DEFAULTED_ON_FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen; -} - -// The lint doesn't trigger for an assoc constant in a trait impl with an unfrozen type even if it -// has enums. Further details are on the corresponding code in 'NonCopyConst::check_impl_item'. -impl AssocConsts for u64 { - const TO_BE_UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); - const TO_BE_FROZEN_VARIANT: OptionalCell = OptionalCell::Frozen; - - // even if this sets an unfrozen variant, the lint ignores it. - const DEFAULTED_ON_FROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); -} - -// At first, I thought I'd need to check every patterns in `trait.rs`; but, what matters -// here are values; and I think substituted generics at definitions won't appear in MIR. -trait AssocTypes { - type ToBeUnfrozen; - - const TO_BE_UNFROZEN_VARIANT: Option<Self::ToBeUnfrozen>; - const TO_BE_FROZEN_VARIANT: Option<Self::ToBeUnfrozen>; -} - -impl AssocTypes for u64 { - type ToBeUnfrozen = AtomicUsize; - - const TO_BE_UNFROZEN_VARIANT: Option<Self::ToBeUnfrozen> = Some(Self::ToBeUnfrozen::new(4)); - //~^ declare_interior_mutable_const - const TO_BE_FROZEN_VARIANT: Option<Self::ToBeUnfrozen> = None; -} - -// Use raw pointers since direct generics have a false negative at the type level. -enum BothOfCellAndGeneric<T> { - Unfrozen(Cell<*const T>), - Generic(*const T), - Frozen(usize), -} - -impl<T> BothOfCellAndGeneric<T> { - const UNFROZEN_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); - //~^ declare_interior_mutable_const - - // This is a false positive. The argument about this is on `is_value_unfrozen_raw` - const GENERIC_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Generic(std::ptr::null()); - //~^ declare_interior_mutable_const - - const FROZEN_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Frozen(5); - - // This is what is likely to be a false negative when one tries to fix - // the `GENERIC_VARIANT` false positive. - const NO_ENUM: Cell<*const T> = Cell::new(std::ptr::null()); - //~^ declare_interior_mutable_const -} - -// associated types here is basically the same as the one above. -trait BothOfCellAndGenericWithAssocType { - type AssocType; - - const UNFROZEN_VARIANT: BothOfCellAndGeneric<Self::AssocType> = - //~^ declare_interior_mutable_const - BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); - const GENERIC_VARIANT: BothOfCellAndGeneric<Self::AssocType> = BothOfCellAndGeneric::Generic(std::ptr::null()); - //~^ declare_interior_mutable_const - const FROZEN_VARIANT: BothOfCellAndGeneric<Self::AssocType> = BothOfCellAndGeneric::Frozen(5); -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const/enums.stderr b/src/tools/clippy/tests/ui/declare_interior_mutable_const/enums.stderr deleted file mode 100644 index 32839d14f0e..00000000000 --- a/src/tools/clippy/tests/ui/declare_interior_mutable_const/enums.stderr +++ /dev/null @@ -1,89 +0,0 @@ -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:12:1 - | -LL | const UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(true)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` - = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:24:1 - | -LL | const UNFROZEN_VARIANT_FROM_FN: OptionalCell = unfrozen_variant(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:47:1 - | -LL | / const NESTED_UNFROZEN_VARIANT: NestedOutermost = NestedOutermost { -LL | | -LL | | outer: NestedOuter::NestedInner(NestedInner { -LL | | inner: NestedInnermost::Unfrozen(AtomicUsize::new(2)), -LL | | }), -LL | | }; - | |__^ - | - = help: consider making this a static item - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:62:5 - | -LL | const TO_BE_UNFROZEN_VARIANT: OptionalCell; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:64:5 - | -LL | const TO_BE_FROZEN_VARIANT: OptionalCell; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:68:5 - | -LL | const DEFAULTED_ON_UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:95:5 - | -LL | const TO_BE_UNFROZEN_VARIANT: Option<Self::ToBeUnfrozen> = Some(Self::ToBeUnfrozen::new(4)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:108:5 - | -LL | const UNFROZEN_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:112:5 - | -LL | const GENERIC_VARIANT: BothOfCellAndGeneric<T> = BothOfCellAndGeneric::Generic(std::ptr::null()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:119:5 - | -LL | const NO_ENUM: Cell<*const T> = Cell::new(std::ptr::null()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:127:5 - | -LL | / const UNFROZEN_VARIANT: BothOfCellAndGeneric<Self::AssocType> = -LL | | -LL | | BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); - | |____________________________________________________________________^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/enums.rs:130:5 - | -LL | const GENERIC_VARIANT: BothOfCellAndGeneric<Self::AssocType> = BothOfCellAndGeneric::Generic(std::ptr::null()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 12 previous errors - diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const/others.rs b/src/tools/clippy/tests/ui/declare_interior_mutable_const/others.rs deleted file mode 100644 index 7ce04a3f2c3..00000000000 --- a/src/tools/clippy/tests/ui/declare_interior_mutable_const/others.rs +++ /dev/null @@ -1,76 +0,0 @@ -#![warn(clippy::declare_interior_mutable_const)] - -use std::borrow::Cow; -use std::cell::Cell; -use std::fmt::Display; -use std::ptr; -use std::sync::Once; -use std::sync::atomic::AtomicUsize; - -const ATOMIC: AtomicUsize = AtomicUsize::new(5); -//~^ declare_interior_mutable_const -const CELL: Cell<usize> = Cell::new(6); -//~^ declare_interior_mutable_const -const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7); -//~^ declare_interior_mutable_const - -macro_rules! declare_const { - ($name:ident: $ty:ty = $e:expr) => { - const $name: $ty = $e; - //~^ declare_interior_mutable_const - }; -} -declare_const!(_ONCE: Once = Once::new()); - -// const ATOMIC_REF: &AtomicUsize = &AtomicUsize::new(7); // This will simply trigger E0492. - -const INTEGER: u8 = 8; -const STRING: String = String::new(); -const STR: &str = "012345"; -const COW: Cow<str> = Cow::Borrowed("abcdef"); -// note: a const item of Cow is used in the `postgres` package. - -const NO_ANN: &dyn Display = &70; - -static STATIC_TUPLE: (AtomicUsize, String) = (ATOMIC, STRING); -// there should be no lints on the line above line - -mod issue_8493 { - use std::cell::Cell; - - thread_local! { - static _BAR: Cell<i32> = const { Cell::new(0) }; - } - - macro_rules! issue_8493 { - () => { - const _BAZ: Cell<usize> = Cell::new(0); - //~^ declare_interior_mutable_const - static _FOOBAR: () = { - thread_local! { - static _VAR: Cell<i32> = const { Cell::new(0) }; - } - }; - }; - } - - issue_8493!(); -} - -#[repr(C, align(8))] -struct NoAtomic(usize); -#[repr(C, align(8))] -struct WithAtomic(AtomicUsize); - -const fn with_non_null() -> *const WithAtomic { - const NO_ATOMIC: NoAtomic = NoAtomic(0); - (&NO_ATOMIC as *const NoAtomic).cast() -} -const WITH_ATOMIC: *const WithAtomic = with_non_null(); - -struct Generic<T>(T); -impl<T> Generic<T> { - const RAW_POINTER: *const Cell<T> = ptr::null(); -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const/others.stderr b/src/tools/clippy/tests/ui/declare_interior_mutable_const/others.stderr deleted file mode 100644 index 09299b29041..00000000000 --- a/src/tools/clippy/tests/ui/declare_interior_mutable_const/others.stderr +++ /dev/null @@ -1,50 +0,0 @@ -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/others.rs:10:1 - | -LL | const ATOMIC: AtomicUsize = AtomicUsize::new(5); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this a static item - = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/others.rs:12:1 - | -LL | const CELL: Cell<usize> = Cell::new(6); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/others.rs:14:1 - | -LL | const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider making this a static item - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/others.rs:19:9 - | -LL | const $name: $ty = $e; - | ^^^^^^^^^^^^^^^^^^^^^^ -... -LL | declare_const!(_ONCE: Once = Once::new()); - | ----------------------------------------- in this macro invocation - | - = note: this error originates in the macro `declare_const` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/others.rs:47:13 - | -LL | const _BAZ: Cell<usize> = Cell::new(0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | issue_8493!(); - | ------------- in this macro invocation - | - = note: this error originates in the macro `issue_8493` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: aborting due to 5 previous errors - diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const/traits.rs b/src/tools/clippy/tests/ui/declare_interior_mutable_const/traits.rs deleted file mode 100644 index d3139be6859..00000000000 --- a/src/tools/clippy/tests/ui/declare_interior_mutable_const/traits.rs +++ /dev/null @@ -1,162 +0,0 @@ -#![warn(clippy::declare_interior_mutable_const)] - -use std::borrow::Cow; -use std::cell::Cell; -use std::sync::atomic::AtomicUsize; - -macro_rules! declare_const { - ($name:ident: $ty:ty = $e:expr) => { - const $name: $ty = $e; - //~^ declare_interior_mutable_const - }; -} - -// a constant whose type is a concrete type should be linted at the definition site. -trait ConcreteTypes { - const ATOMIC: AtomicUsize; - //~^ declare_interior_mutable_const - const INTEGER: u64; - const STRING: String; - declare_const!(ANOTHER_ATOMIC: AtomicUsize = Self::ATOMIC); -} - -impl ConcreteTypes for u64 { - const ATOMIC: AtomicUsize = AtomicUsize::new(9); - const INTEGER: u64 = 10; - const STRING: String = String::new(); -} - -// a helper trait used below -trait ConstDefault { - const DEFAULT: Self; -} - -// a constant whose type is a generic type should be linted at the implementation site. -trait GenericTypes<T, U> { - const TO_REMAIN_GENERIC: T; - const TO_BE_CONCRETE: U; - - const HAVING_DEFAULT: T = Self::TO_REMAIN_GENERIC; - declare_const!(IN_MACRO: T = Self::TO_REMAIN_GENERIC); -} - -impl<T: ConstDefault> GenericTypes<T, AtomicUsize> for u64 { - const TO_REMAIN_GENERIC: T = T::DEFAULT; - const TO_BE_CONCRETE: AtomicUsize = AtomicUsize::new(11); - //~^ declare_interior_mutable_const -} - -// a helper type used below -struct Wrapper<T>(T); - -// a constant whose type is an associated type should be linted at the implementation site, too. -trait AssocTypes { - type ToBeFrozen; - type ToBeUnfrozen; - type ToBeGenericParam; - - const TO_BE_FROZEN: Self::ToBeFrozen; - const TO_BE_UNFROZEN: Self::ToBeUnfrozen; - const WRAPPED_TO_BE_UNFROZEN: Wrapper<Self::ToBeUnfrozen>; - // to ensure it can handle things when a generic type remains after normalization. - const WRAPPED_TO_BE_GENERIC_PARAM: Wrapper<Self::ToBeGenericParam>; -} - -impl<T: ConstDefault> AssocTypes for Vec<T> { - type ToBeFrozen = u16; - type ToBeUnfrozen = AtomicUsize; - type ToBeGenericParam = T; - - const TO_BE_FROZEN: Self::ToBeFrozen = 12; - const TO_BE_UNFROZEN: Self::ToBeUnfrozen = AtomicUsize::new(13); - //~^ declare_interior_mutable_const - const WRAPPED_TO_BE_UNFROZEN: Wrapper<Self::ToBeUnfrozen> = Wrapper(AtomicUsize::new(14)); - //~^ declare_interior_mutable_const - const WRAPPED_TO_BE_GENERIC_PARAM: Wrapper<Self::ToBeGenericParam> = Wrapper(T::DEFAULT); -} - -// a helper trait used below -trait AssocTypesHelper { - type NotToBeBounded; - type ToBeBounded; - - const NOT_TO_BE_BOUNDED: Self::NotToBeBounded; -} - -// a constant whose type is an assoc type originated from a generic param bounded at the definition -// site should be linted at there. -trait AssocTypesFromGenericParam<T> -where - T: AssocTypesHelper<ToBeBounded = AtomicUsize>, -{ - const NOT_BOUNDED: T::NotToBeBounded; - const BOUNDED: T::ToBeBounded; - //~^ declare_interior_mutable_const -} - -impl<T> AssocTypesFromGenericParam<T> for u64 -where - T: AssocTypesHelper<ToBeBounded = AtomicUsize>, -{ - // an associated type could remain unknown in a trait impl. - const NOT_BOUNDED: T::NotToBeBounded = T::NOT_TO_BE_BOUNDED; - const BOUNDED: T::ToBeBounded = AtomicUsize::new(15); -} - -// a constant whose type is `Self` should be linted at the implementation site as well. -// (`Option` requires `Sized` bound.) -trait SelfType: Sized { - const SELF: Self; - // this was the one in the original issue (#5050). - const WRAPPED_SELF: Option<Self>; -} - -impl SelfType for u64 { - const SELF: Self = 16; - const WRAPPED_SELF: Option<Self> = Some(20); -} - -impl SelfType for AtomicUsize { - // this (interior mutable `Self` const) exists in `parking_lot`. - // `const_trait_impl` will replace it in the future, hopefully. - const SELF: Self = AtomicUsize::new(17); - //~^ declare_interior_mutable_const - const WRAPPED_SELF: Option<Self> = Some(AtomicUsize::new(21)); - //~^ declare_interior_mutable_const -} - -// Even though a constant contains a generic type, if it also have an interior mutable type, -// it should be linted at the definition site. -trait BothOfCellAndGeneric<T> { - const DIRECT: Cell<T>; - //~^ declare_interior_mutable_const - const INDIRECT: Cell<*const T>; - //~^ declare_interior_mutable_const -} - -impl<T: ConstDefault> BothOfCellAndGeneric<T> for u64 { - const DIRECT: Cell<T> = Cell::new(T::DEFAULT); - //~^ declare_interior_mutable_const - const INDIRECT: Cell<*const T> = Cell::new(std::ptr::null()); -} - -struct Local<T>(T); - -// a constant in an inherent impl are essentially the same as a normal const item -// except there can be a generic or associated type. -impl<T> Local<T> -where - T: ConstDefault + AssocTypesHelper<ToBeBounded = AtomicUsize>, -{ - const ATOMIC: AtomicUsize = AtomicUsize::new(18); - //~^ declare_interior_mutable_const - const COW: Cow<'static, str> = Cow::Borrowed("tuvwxy"); - - const GENERIC_TYPE: T = T::DEFAULT; - - const ASSOC_TYPE: T::NotToBeBounded = T::NOT_TO_BE_BOUNDED; - const BOUNDED_ASSOC_TYPE: T::ToBeBounded = AtomicUsize::new(19); - //~^ declare_interior_mutable_const -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/declare_interior_mutable_const/traits.stderr b/src/tools/clippy/tests/ui/declare_interior_mutable_const/traits.stderr deleted file mode 100644 index b03dd7a0840..00000000000 --- a/src/tools/clippy/tests/ui/declare_interior_mutable_const/traits.stderr +++ /dev/null @@ -1,88 +0,0 @@ -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:16:5 - | -LL | const ATOMIC: AtomicUsize; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:9:9 - | -LL | const $name: $ty = $e; - | ^^^^^^^^^^^^^^^^^^^^^^ -... -LL | declare_const!(ANOTHER_ATOMIC: AtomicUsize = Self::ATOMIC); - | ---------------------------------------------------------- in this macro invocation - | - = note: this error originates in the macro `declare_const` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:45:5 - | -LL | const TO_BE_CONCRETE: AtomicUsize = AtomicUsize::new(11); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:71:5 - | -LL | const TO_BE_UNFROZEN: Self::ToBeUnfrozen = AtomicUsize::new(13); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:73:5 - | -LL | const WRAPPED_TO_BE_UNFROZEN: Wrapper<Self::ToBeUnfrozen> = Wrapper(AtomicUsize::new(14)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:93:5 - | -LL | const BOUNDED: T::ToBeBounded; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:122:5 - | -LL | const SELF: Self = AtomicUsize::new(17); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:124:5 - | -LL | const WRAPPED_SELF: Option<Self> = Some(AtomicUsize::new(21)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:131:5 - | -LL | const DIRECT: Cell<T>; - | ^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:133:5 - | -LL | const INDIRECT: Cell<*const T>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:138:5 - | -LL | const DIRECT: Cell<T> = Cell::new(T::DEFAULT); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:151:5 - | -LL | const ATOMIC: AtomicUsize = AtomicUsize::new(18); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: a `const` item should not be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:158:5 - | -LL | const BOUNDED_ASSOC_TYPE: T::ToBeBounded = AtomicUsize::new(19); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 13 previous errors - diff --git a/src/tools/clippy/tests/ui/deprecated.rs b/src/tools/clippy/tests/ui/deprecated.rs index 2787f6406fe..6b69bdd29ce 100644 --- a/src/tools/clippy/tests/ui/deprecated.rs +++ b/src/tools/clippy/tests/ui/deprecated.rs @@ -2,20 +2,20 @@ // Use that command to update this file and do not edit by hand. // Manual edits will be overwritten. -#![warn(clippy::should_assert_eq)] //~ ERROR: lint `clippy::should_assert_eq` +#![warn(clippy::assign_ops)] //~ ERROR: lint `clippy::assign_ops` #![warn(clippy::extend_from_slice)] //~ ERROR: lint `clippy::extend_from_slice` -#![warn(clippy::range_step_by_zero)] //~ ERROR: lint `clippy::range_step_by_zero` -#![warn(clippy::unstable_as_slice)] //~ ERROR: lint `clippy::unstable_as_slice` -#![warn(clippy::unstable_as_mut_slice)] //~ ERROR: lint `clippy::unstable_as_mut_slice` +#![warn(clippy::match_on_vec_items)] //~ ERROR: lint `clippy::match_on_vec_items` #![warn(clippy::misaligned_transmute)] //~ ERROR: lint `clippy::misaligned_transmute` -#![warn(clippy::assign_ops)] //~ ERROR: lint `clippy::assign_ops` +#![warn(clippy::option_map_or_err_ok)] //~ ERROR: lint `clippy::option_map_or_err_ok` +#![warn(clippy::pub_enum_variant_names)] //~ ERROR: lint `clippy::pub_enum_variant_names` +#![warn(clippy::range_step_by_zero)] //~ ERROR: lint `clippy::range_step_by_zero` +#![warn(clippy::regex_macro)] //~ ERROR: lint `clippy::regex_macro` +#![warn(clippy::replace_consts)] //~ ERROR: lint `clippy::replace_consts` +#![warn(clippy::should_assert_eq)] //~ ERROR: lint `clippy::should_assert_eq` #![warn(clippy::unsafe_vector_initialization)] //~ ERROR: lint `clippy::unsafe_vector_initialization` +#![warn(clippy::unstable_as_mut_slice)] //~ ERROR: lint `clippy::unstable_as_mut_slice` +#![warn(clippy::unstable_as_slice)] //~ ERROR: lint `clippy::unstable_as_slice` #![warn(clippy::unused_collect)] //~ ERROR: lint `clippy::unused_collect` -#![warn(clippy::replace_consts)] //~ ERROR: lint `clippy::replace_consts` -#![warn(clippy::regex_macro)] //~ ERROR: lint `clippy::regex_macro` -#![warn(clippy::pub_enum_variant_names)] //~ ERROR: lint `clippy::pub_enum_variant_names` #![warn(clippy::wrong_pub_self_convention)] //~ ERROR: lint `clippy::wrong_pub_self_convention` -#![warn(clippy::option_map_or_err_ok)] //~ ERROR: lint `clippy::option_map_or_err_ok` -#![warn(clippy::match_on_vec_items)] //~ ERROR: lint `clippy::match_on_vec_items` fn main() {} diff --git a/src/tools/clippy/tests/ui/deprecated.stderr b/src/tools/clippy/tests/ui/deprecated.stderr index 604732405c3..07e59d33d60 100644 --- a/src/tools/clippy/tests/ui/deprecated.stderr +++ b/src/tools/clippy/tests/ui/deprecated.stderr @@ -1,8 +1,8 @@ -error: lint `clippy::should_assert_eq` has been removed: `assert!(a == b)` can now print the values the same way `assert_eq!(a, b) can +error: lint `clippy::assign_ops` has been removed: compound operators are harmless and linting on them is not in scope for clippy --> tests/ui/deprecated.rs:5:9 | -LL | #![warn(clippy::should_assert_eq)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::assign_ops)] + | ^^^^^^^^^^^^^^^^^^ | = note: `-D renamed-and-removed-lints` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(renamed_and_removed_lints)]` @@ -13,83 +13,83 @@ error: lint `clippy::extend_from_slice` has been removed: `Vec::extend_from_slic LL | #![warn(clippy::extend_from_slice)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::range_step_by_zero` has been removed: `Iterator::step_by(0)` now panics and is no longer an infinite iterator +error: lint `clippy::match_on_vec_items` has been removed: `clippy::indexing_slicing` covers indexing and slicing on `Vec<_>` --> tests/ui/deprecated.rs:7:9 | -LL | #![warn(clippy::range_step_by_zero)] +LL | #![warn(clippy::match_on_vec_items)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::unstable_as_slice` has been removed: `Vec::as_slice` is now stable +error: lint `clippy::misaligned_transmute` has been removed: split into `clippy::cast_ptr_alignment` and `clippy::transmute_ptr_to_ptr` --> tests/ui/deprecated.rs:8:9 | -LL | #![warn(clippy::unstable_as_slice)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::misaligned_transmute)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::unstable_as_mut_slice` has been removed: `Vec::as_mut_slice` is now stable +error: lint `clippy::option_map_or_err_ok` has been removed: `clippy::manual_ok_or` covers this case --> tests/ui/deprecated.rs:9:9 | -LL | #![warn(clippy::unstable_as_mut_slice)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::option_map_or_err_ok)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::misaligned_transmute` has been removed: split into `clippy::cast_ptr_alignment` and `clippy::transmute_ptr_to_ptr` +error: lint `clippy::pub_enum_variant_names` has been removed: `clippy::enum_variant_names` now covers this case via the `avoid-breaking-exported-api` config --> tests/ui/deprecated.rs:10:9 | -LL | #![warn(clippy::misaligned_transmute)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::pub_enum_variant_names)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::assign_ops` has been removed: compound operators are harmless and linting on them is not in scope for clippy +error: lint `clippy::range_step_by_zero` has been removed: `Iterator::step_by(0)` now panics and is no longer an infinite iterator --> tests/ui/deprecated.rs:11:9 | -LL | #![warn(clippy::assign_ops)] - | ^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::range_step_by_zero)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::unsafe_vector_initialization` has been removed: the suggested alternative could be substantially slower +error: lint `clippy::regex_macro` has been removed: the `regex!` macro was removed from the regex crate in 2018 --> tests/ui/deprecated.rs:12:9 | -LL | #![warn(clippy::unsafe_vector_initialization)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::regex_macro)] + | ^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::unused_collect` has been removed: `Iterator::collect` is now marked as `#[must_use]` +error: lint `clippy::replace_consts` has been removed: `min_value` and `max_value` are now deprecated --> tests/ui/deprecated.rs:13:9 | -LL | #![warn(clippy::unused_collect)] +LL | #![warn(clippy::replace_consts)] | ^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::replace_consts` has been removed: `min_value` and `max_value` are now deprecated +error: lint `clippy::should_assert_eq` has been removed: `assert!(a == b)` can now print the values the same way `assert_eq!(a, b) can --> tests/ui/deprecated.rs:14:9 | -LL | #![warn(clippy::replace_consts)] - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::should_assert_eq)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::regex_macro` has been removed: the `regex!` macro was removed from the regex crate in 2018 +error: lint `clippy::unsafe_vector_initialization` has been removed: the suggested alternative could be substantially slower --> tests/ui/deprecated.rs:15:9 | -LL | #![warn(clippy::regex_macro)] - | ^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::unsafe_vector_initialization)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::pub_enum_variant_names` has been removed: `clippy::enum_variant_names` now covers this case via the `avoid-breaking-exported-api` config +error: lint `clippy::unstable_as_mut_slice` has been removed: `Vec::as_mut_slice` is now stable --> tests/ui/deprecated.rs:16:9 | -LL | #![warn(clippy::pub_enum_variant_names)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::unstable_as_mut_slice)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::wrong_pub_self_convention` has been removed: `clippy::wrong_self_convention` now covers this case via the `avoid-breaking-exported-api` config +error: lint `clippy::unstable_as_slice` has been removed: `Vec::as_slice` is now stable --> tests/ui/deprecated.rs:17:9 | -LL | #![warn(clippy::wrong_pub_self_convention)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::unstable_as_slice)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::option_map_or_err_ok` has been removed: `clippy::manual_ok_or` covers this case +error: lint `clippy::unused_collect` has been removed: `Iterator::collect` is now marked as `#[must_use]` --> tests/ui/deprecated.rs:18:9 | -LL | #![warn(clippy::option_map_or_err_ok)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::unused_collect)] + | ^^^^^^^^^^^^^^^^^^^^^^ -error: lint `clippy::match_on_vec_items` has been removed: `clippy::indexing_slicing` covers indexing and slicing on `Vec<_>` +error: lint `clippy::wrong_pub_self_convention` has been removed: `clippy::wrong_self_convention` now covers this case via the `avoid-breaking-exported-api` config --> tests/ui/deprecated.rs:19:9 | -LL | #![warn(clippy::match_on_vec_items)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![warn(clippy::wrong_pub_self_convention)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.fixed b/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.fixed index fb0f40b34a4..e0136584f3d 100644 --- a/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.fixed +++ b/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.fixed @@ -1,11 +1,37 @@ -// This test checks that words starting with capital letters and ending with "ified" don't -// trigger the lint. - #![deny(clippy::doc_markdown)] +#![allow(clippy::doc_lazy_continuation)] + +mod issue13097 { + // This test checks that words starting with capital letters and ending with "ified" don't + // trigger the lint. + pub enum OutputFormat { + /// `HumaNified` + //~^ ERROR: item in documentation is missing backticks + Plain, + // Should not warn! + /// JSONified console output + Json, + } +} +#[rustfmt::skip] pub enum OutputFormat { - /// `HumaNified` - //~^ ERROR: item in documentation is missing backticks + /** + * `HumaNified` + //~^ ERROR: item in documentation is missing backticks + * Before \u{08888} `HumaNified` \{u08888} After + //~^ ERROR: item in documentation is missing backticks + * meow meow \[`meow_meow`\] meow meow? + //~^ ERROR: item in documentation is missing backticks + * \u{08888} `meow_meow` \[meow meow] meow? + //~^ ERROR: item in documentation is missing backticks + * Above + * \u{08888} + * \[hi\](<https://example.com>) `HumaNified` \[example](<https://example.com>) + //~^ ERROR: item in documentation is missing backticks + * \u{08888} + * Below + */ Plain, // Should not warn! /// JSONified console output diff --git a/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.rs b/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.rs index 8c1e1a3cd6c..2e89fe6c56b 100644 --- a/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.rs +++ b/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.rs @@ -1,11 +1,37 @@ -// This test checks that words starting with capital letters and ending with "ified" don't -// trigger the lint. - #![deny(clippy::doc_markdown)] +#![allow(clippy::doc_lazy_continuation)] + +mod issue13097 { + // This test checks that words starting with capital letters and ending with "ified" don't + // trigger the lint. + pub enum OutputFormat { + /// HumaNified + //~^ ERROR: item in documentation is missing backticks + Plain, + // Should not warn! + /// JSONified console output + Json, + } +} +#[rustfmt::skip] pub enum OutputFormat { - /// HumaNified - //~^ ERROR: item in documentation is missing backticks + /** + * HumaNified + //~^ ERROR: item in documentation is missing backticks + * Before \u{08888} HumaNified \{u08888} After + //~^ ERROR: item in documentation is missing backticks + * meow meow \[meow_meow\] meow meow? + //~^ ERROR: item in documentation is missing backticks + * \u{08888} meow_meow \[meow meow] meow? + //~^ ERROR: item in documentation is missing backticks + * Above + * \u{08888} + * \[hi\](<https://example.com>) HumaNified \[example](<https://example.com>) + //~^ ERROR: item in documentation is missing backticks + * \u{08888} + * Below + */ Plain, // Should not warn! /// JSONified console output diff --git a/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.stderr b/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.stderr index 65b8f2ed80b..cea788301d4 100644 --- a/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.stderr +++ b/src/tools/clippy/tests/ui/doc/doc_markdown-issue_13097.stderr @@ -1,19 +1,79 @@ error: item in documentation is missing backticks - --> tests/ui/doc/doc_markdown-issue_13097.rs:7:9 + --> tests/ui/doc/doc_markdown-issue_13097.rs:8:13 | -LL | /// HumaNified - | ^^^^^^^^^^ +LL | /// HumaNified + | ^^^^^^^^^^ | note: the lint level is defined here - --> tests/ui/doc/doc_markdown-issue_13097.rs:4:9 + --> tests/ui/doc/doc_markdown-issue_13097.rs:1:9 | LL | #![deny(clippy::doc_markdown)] | ^^^^^^^^^^^^^^^^^^^^ help: try | -LL - /// HumaNified -LL + /// `HumaNified` +LL - /// HumaNified +LL + /// `HumaNified` | -error: aborting due to 1 previous error +error: item in documentation is missing backticks + --> tests/ui/doc/doc_markdown-issue_13097.rs:20:8 + | +LL | * HumaNified + | ^^^^^^^^^^ + | +help: try + | +LL - * HumaNified +LL + * `HumaNified` + | + +error: item in documentation is missing backticks + --> tests/ui/doc/doc_markdown-issue_13097.rs:22:25 + | +LL | * Before \u{08888} HumaNified \{u08888} After + | ^^^^^^^^^^ + | +help: try + | +LL - * Before \u{08888} HumaNified \{u08888} After +LL + * Before \u{08888} `HumaNified` \{u08888} After + | + +error: item in documentation is missing backticks + --> tests/ui/doc/doc_markdown-issue_13097.rs:24:20 + | +LL | * meow meow \[meow_meow\] meow meow? + | ^^^^^^^^^ + | +help: try + | +LL - * meow meow \[meow_meow\] meow meow? +LL + * meow meow \[`meow_meow`\] meow meow? + | + +error: item in documentation is missing backticks + --> tests/ui/doc/doc_markdown-issue_13097.rs:26:18 + | +LL | * \u{08888} meow_meow \[meow meow] meow? + | ^^^^^^^^^ + | +help: try + | +LL - * \u{08888} meow_meow \[meow meow] meow? +LL + * \u{08888} `meow_meow` \[meow meow] meow? + | + +error: item in documentation is missing backticks + --> tests/ui/doc/doc_markdown-issue_13097.rs:30:38 + | +LL | * \[hi\](<https://example.com>) HumaNified \[example](<https://example.com>) + | ^^^^^^^^^^ + | +help: try + | +LL - * \[hi\](<https://example.com>) HumaNified \[example](<https://example.com>) +LL + * \[hi\](<https://example.com>) `HumaNified` \[example](<https://example.com>) + | + +error: aborting due to 6 previous errors diff --git a/src/tools/clippy/tests/ui/double_ended_iterator_last_unfixable.rs b/src/tools/clippy/tests/ui/double_ended_iterator_last_unfixable.rs index e9218bbb409..73f62ac1246 100644 --- a/src/tools/clippy/tests/ui/double_ended_iterator_last_unfixable.rs +++ b/src/tools/clippy/tests/ui/double_ended_iterator_last_unfixable.rs @@ -1,4 +1,4 @@ -//@no-rustfix +//@no-rustfix: requires manual changes #![warn(clippy::double_ended_iterator_last)] // Should not be linted because applying the lint would move the original iterator. This can only be diff --git a/src/tools/clippy/tests/ui/duplicated_attributes.rs b/src/tools/clippy/tests/ui/duplicated_attributes.rs index 874f5d22075..3ca91d6f182 100644 --- a/src/tools/clippy/tests/ui/duplicated_attributes.rs +++ b/src/tools/clippy/tests/ui/duplicated_attributes.rs @@ -21,7 +21,7 @@ fn foo() {} fn bar() {} // No warning: -#[rustc_on_unimplemented(on(_Self = "&str", label = "`a"), on(_Self = "alloc::string::String", label = "a"))] +#[rustc_on_unimplemented(on(Self = "&str", label = "`a"), on(Self = "alloc::string::String", label = "a"))] trait Abc {} #[proc_macro_attr::duplicated_attr()] // Should not warn! diff --git a/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed b/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed index b1600862a8f..419cf2354f8 100644 --- a/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed +++ b/src/tools/clippy/tests/ui/empty_structs_with_brackets.fixed @@ -23,4 +23,12 @@ struct MyTupleStruct(usize, String); // should not trigger lint struct MySingleTupleStruct(usize); // should not trigger lint struct MyUnitLikeStruct; // should not trigger lint +macro_rules! empty_struct { + ($s:ident) => { + struct $s {} + }; +} + +empty_struct!(FromMacro); + fn main() {} diff --git a/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs b/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs index 1f69c4be9ec..90c415c1220 100644 --- a/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs +++ b/src/tools/clippy/tests/ui/empty_structs_with_brackets.rs @@ -23,4 +23,12 @@ struct MyTupleStruct(usize, String); // should not trigger lint struct MySingleTupleStruct(usize); // should not trigger lint struct MyUnitLikeStruct; // should not trigger lint +macro_rules! empty_struct { + ($s:ident) => { + struct $s {} + }; +} + +empty_struct!(FromMacro); + fn main() {} diff --git a/src/tools/clippy/tests/ui/entry_unfixable.rs b/src/tools/clippy/tests/ui/entry_unfixable.rs index dbdacf95056..c4c05557208 100644 --- a/src/tools/clippy/tests/ui/entry_unfixable.rs +++ b/src/tools/clippy/tests/ui/entry_unfixable.rs @@ -1,6 +1,5 @@ -#![allow(unused, clippy::needless_pass_by_value, clippy::collapsible_if)] +#![allow(clippy::needless_pass_by_value, clippy::collapsible_if)] #![warn(clippy::map_entry)] -//@no-rustfix use std::collections::HashMap; use std::hash::Hash; diff --git a/src/tools/clippy/tests/ui/entry_unfixable.stderr b/src/tools/clippy/tests/ui/entry_unfixable.stderr index 9f9956d351b..0197d2ab4cf 100644 --- a/src/tools/clippy/tests/ui/entry_unfixable.stderr +++ b/src/tools/clippy/tests/ui/entry_unfixable.stderr @@ -1,5 +1,5 @@ error: usage of `contains_key` followed by `insert` on a `HashMap` - --> tests/ui/entry_unfixable.rs:28:13 + --> tests/ui/entry_unfixable.rs:27:13 | LL | / if !self.values.contains_key(&name) { LL | | @@ -14,7 +14,7 @@ LL | | } = help: to override `-D warnings` add `#[allow(clippy::map_entry)]` error: usage of `contains_key` followed by `insert` on a `HashMap` - --> tests/ui/entry_unfixable.rs:43:5 + --> tests/ui/entry_unfixable.rs:42:5 | LL | / if hm.contains_key(&key) { LL | | @@ -26,7 +26,7 @@ LL | | } | |_____^ error: usage of `contains_key` followed by `insert` on a `HashMap` - --> tests/ui/entry_unfixable.rs:81:13 + --> tests/ui/entry_unfixable.rs:80:13 | LL | / if self.globals.contains_key(&name) { LL | | diff --git a/src/tools/clippy/tests/ui/excessive_precision.fixed b/src/tools/clippy/tests/ui/excessive_precision.fixed index 99d09774d16..8a8c2e1939c 100644 --- a/src/tools/clippy/tests/ui/excessive_precision.fixed +++ b/src/tools/clippy/tests/ui/excessive_precision.fixed @@ -79,6 +79,9 @@ fn main() { // issue #2840 let num = 0.000_000_000_01e-10f64; + // issue #6341 + let exponential: f64 = 4.886506780521244E-03; + // issue #7744 let _ = 2.225_073_858_507_201e-308_f64; //~^ excessive_precision diff --git a/src/tools/clippy/tests/ui/excessive_precision.rs b/src/tools/clippy/tests/ui/excessive_precision.rs index a542fb2e7e3..5dcf55cb927 100644 --- a/src/tools/clippy/tests/ui/excessive_precision.rs +++ b/src/tools/clippy/tests/ui/excessive_precision.rs @@ -79,6 +79,9 @@ fn main() { // issue #2840 let num = 0.000_000_000_01e-10f64; + // issue #6341 + let exponential: f64 = 4.886506780521244E-03; + // issue #7744 let _ = 2.225_073_858_507_201_1e-308_f64; //~^ excessive_precision diff --git a/src/tools/clippy/tests/ui/excessive_precision.stderr b/src/tools/clippy/tests/ui/excessive_precision.stderr index 934a367e106..f5eeadf0c8c 100644 --- a/src/tools/clippy/tests/ui/excessive_precision.stderr +++ b/src/tools/clippy/tests/ui/excessive_precision.stderr @@ -157,7 +157,7 @@ LL + let bad_bige32: f32 = 1.123_456_8E-10; | error: float has excessive precision - --> tests/ui/excessive_precision.rs:83:13 + --> tests/ui/excessive_precision.rs:86:13 | LL | let _ = 2.225_073_858_507_201_1e-308_f64; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -169,7 +169,7 @@ LL + let _ = 2.225_073_858_507_201e-308_f64; | error: float has excessive precision - --> tests/ui/excessive_precision.rs:87:13 + --> tests/ui/excessive_precision.rs:90:13 | LL | let _ = 1.000_000_000_000_001e-324_f64; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -181,7 +181,7 @@ LL + let _ = 0_f64; | error: float has excessive precision - --> tests/ui/excessive_precision.rs:98:20 + --> tests/ui/excessive_precision.rs:101:20 | LL | const _: f64 = 3.0000000000000000e+00; | ^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/explicit_counter_loop.rs b/src/tools/clippy/tests/ui/explicit_counter_loop.rs index 8340d99ace2..13934785d7b 100644 --- a/src/tools/clippy/tests/ui/explicit_counter_loop.rs +++ b/src/tools/clippy/tests/ui/explicit_counter_loop.rs @@ -1,6 +1,6 @@ #![warn(clippy::explicit_counter_loop)] #![allow(clippy::uninlined_format_args, clippy::useless_vec)] -//@no-rustfix +//@no-rustfix: suggestion does not remove the `+= 1` fn main() { let mut vec = vec![1, 2, 3, 4]; let mut _index = 0; diff --git a/src/tools/clippy/tests/ui/explicit_deref_methods.fixed b/src/tools/clippy/tests/ui/explicit_deref_methods.fixed index 0d1a5f80f3d..52c4d1b1f30 100644 --- a/src/tools/clippy/tests/ui/explicit_deref_methods.fixed +++ b/src/tools/clippy/tests/ui/explicit_deref_methods.fixed @@ -8,7 +8,8 @@ clippy::needless_borrow, clippy::no_effect, clippy::uninlined_format_args, - clippy::unnecessary_literal_unwrap + clippy::unnecessary_literal_unwrap, + clippy::deref_addrof )] use std::ops::{Deref, DerefMut}; @@ -80,15 +81,10 @@ fn main() { let b: String = concat(just_return(a)); //~^ explicit_deref_methods - let b: &str = &**a; - //~^ explicit_deref_methods + let b: &str = a.deref().deref(); let opt_a = Some(a.clone()); - let b = &*opt_a.unwrap(); - //~^ explicit_deref_methods - - // make sure `Aaa::deref` instead of `aaa.deref()` is not linted, as well as fully qualified - // syntax + let b = opt_a.unwrap().deref(); Aaa::deref(&Aaa); Aaa::deref_mut(&mut Aaa); @@ -139,4 +135,9 @@ fn main() { let no_lint = NoLint(42); let b = no_lint.deref(); let b = no_lint.deref_mut(); + + let _ = &*&"foo"; //~ explicit_deref_methods + let mut x = String::new(); + let _ = &&mut **&mut x; //~ explicit_deref_methods + let _ = &&mut ***(&mut &mut x); //~ explicit_deref_methods } diff --git a/src/tools/clippy/tests/ui/explicit_deref_methods.rs b/src/tools/clippy/tests/ui/explicit_deref_methods.rs index 8d4a899cd26..706d6cb2b79 100644 --- a/src/tools/clippy/tests/ui/explicit_deref_methods.rs +++ b/src/tools/clippy/tests/ui/explicit_deref_methods.rs @@ -8,7 +8,8 @@ clippy::needless_borrow, clippy::no_effect, clippy::uninlined_format_args, - clippy::unnecessary_literal_unwrap + clippy::unnecessary_literal_unwrap, + clippy::deref_addrof )] use std::ops::{Deref, DerefMut}; @@ -81,14 +82,9 @@ fn main() { //~^ explicit_deref_methods let b: &str = a.deref().deref(); - //~^ explicit_deref_methods let opt_a = Some(a.clone()); let b = opt_a.unwrap().deref(); - //~^ explicit_deref_methods - - // make sure `Aaa::deref` instead of `aaa.deref()` is not linted, as well as fully qualified - // syntax Aaa::deref(&Aaa); Aaa::deref_mut(&mut Aaa); @@ -139,4 +135,9 @@ fn main() { let no_lint = NoLint(42); let b = no_lint.deref(); let b = no_lint.deref_mut(); + + let _ = &Deref::deref(&"foo"); //~ explicit_deref_methods + let mut x = String::new(); + let _ = &DerefMut::deref_mut(&mut x); //~ explicit_deref_methods + let _ = &DerefMut::deref_mut((&mut &mut x).deref_mut()); //~ explicit_deref_methods } diff --git a/src/tools/clippy/tests/ui/explicit_deref_methods.stderr b/src/tools/clippy/tests/ui/explicit_deref_methods.stderr index 2ca376cba00..5036884366c 100644 --- a/src/tools/clippy/tests/ui/explicit_deref_methods.stderr +++ b/src/tools/clippy/tests/ui/explicit_deref_methods.stderr @@ -1,5 +1,5 @@ error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:54:19 + --> tests/ui/explicit_deref_methods.rs:55:19 | LL | let b: &str = a.deref(); | ^^^^^^^^^ help: try: `&*a` @@ -8,70 +8,76 @@ LL | let b: &str = a.deref(); = help: to override `-D warnings` add `#[allow(clippy::explicit_deref_methods)]` error: explicit `deref_mut` method call - --> tests/ui/explicit_deref_methods.rs:57:23 + --> tests/ui/explicit_deref_methods.rs:58:23 | LL | let b: &mut str = a.deref_mut(); | ^^^^^^^^^^^^^ help: try: `&mut **a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:61:39 + --> tests/ui/explicit_deref_methods.rs:62:39 | LL | let b: String = format!("{}, {}", a.deref(), a.deref()); | ^^^^^^^^^ help: try: `&*a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:61:50 + --> tests/ui/explicit_deref_methods.rs:62:50 | LL | let b: String = format!("{}, {}", a.deref(), a.deref()); | ^^^^^^^^^ help: try: `&*a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:65:20 + --> tests/ui/explicit_deref_methods.rs:66:20 | LL | println!("{}", a.deref()); | ^^^^^^^^^ help: try: `&*a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:69:11 + --> tests/ui/explicit_deref_methods.rs:70:11 | LL | match a.deref() { | ^^^^^^^^^ help: try: `&*a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:74:28 + --> tests/ui/explicit_deref_methods.rs:75:28 | LL | let b: String = concat(a.deref()); | ^^^^^^^^^ help: try: `&*a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:77:13 + --> tests/ui/explicit_deref_methods.rs:78:13 | LL | let b = just_return(a).deref(); | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `just_return(a)` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:80:28 + --> tests/ui/explicit_deref_methods.rs:81:28 | LL | let b: String = concat(just_return(a).deref()); | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `just_return(a)` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:83:19 + --> tests/ui/explicit_deref_methods.rs:121:31 | -LL | let b: &str = a.deref().deref(); - | ^^^^^^^^^^^^^^^^^ help: try: `&**a` +LL | let b: &str = expr_deref!(a.deref()); + | ^^^^^^^^^ help: try: `&*a` error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:87:13 + --> tests/ui/explicit_deref_methods.rs:139:14 | -LL | let b = opt_a.unwrap().deref(); - | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*opt_a.unwrap()` +LL | let _ = &Deref::deref(&"foo"); + | ^^^^^^^^^^^^^^^^^^^^ help: try: `*&"foo"` -error: explicit `deref` method call - --> tests/ui/explicit_deref_methods.rs:125:31 +error: explicit `deref_mut` method call + --> tests/ui/explicit_deref_methods.rs:141:14 | -LL | let b: &str = expr_deref!(a.deref()); - | ^^^^^^^^^ help: try: `&*a` +LL | let _ = &DerefMut::deref_mut(&mut x); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut **&mut x` + +error: explicit `deref_mut` method call + --> tests/ui/explicit_deref_methods.rs:142:14 + | +LL | let _ = &DerefMut::deref_mut((&mut &mut x).deref_mut()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut ***(&mut &mut x)` -error: aborting due to 12 previous errors +error: aborting due to 13 previous errors diff --git a/src/tools/clippy/tests/ui/explicit_into_iter_loop.fixed b/src/tools/clippy/tests/ui/explicit_into_iter_loop.fixed index 2b68906ae39..c1b3c478eeb 100644 --- a/src/tools/clippy/tests/ui/explicit_into_iter_loop.fixed +++ b/src/tools/clippy/tests/ui/explicit_into_iter_loop.fixed @@ -73,3 +73,16 @@ fn main() { for _ in S.into_iter::<u32>() {} } + +fn issue14630() { + macro_rules! mac { + (into_iter $e:expr) => { + $e.into_iter() + }; + } + + for _ in dbg!([1, 2]) {} + //~^ explicit_into_iter_loop + + for _ in mac!(into_iter [1, 2]) {} +} diff --git a/src/tools/clippy/tests/ui/explicit_into_iter_loop.rs b/src/tools/clippy/tests/ui/explicit_into_iter_loop.rs index ca335b62d90..581e0dadcec 100644 --- a/src/tools/clippy/tests/ui/explicit_into_iter_loop.rs +++ b/src/tools/clippy/tests/ui/explicit_into_iter_loop.rs @@ -73,3 +73,16 @@ fn main() { for _ in S.into_iter::<u32>() {} } + +fn issue14630() { + macro_rules! mac { + (into_iter $e:expr) => { + $e.into_iter() + }; + } + + for _ in dbg!([1, 2]).into_iter() {} + //~^ explicit_into_iter_loop + + for _ in mac!(into_iter [1, 2]) {} +} diff --git a/src/tools/clippy/tests/ui/explicit_into_iter_loop.stderr b/src/tools/clippy/tests/ui/explicit_into_iter_loop.stderr index 1c3156755d4..26fb11e0048 100644 --- a/src/tools/clippy/tests/ui/explicit_into_iter_loop.stderr +++ b/src/tools/clippy/tests/ui/explicit_into_iter_loop.stderr @@ -37,5 +37,11 @@ error: it is more concise to loop over containers instead of using explicit iter LL | for _ in mr.into_iter() {} | ^^^^^^^^^^^^^^ help: to write this more concisely, try: `&mut *mr` -error: aborting due to 6 previous errors +error: it is more concise to loop over containers instead of using explicit iteration methods + --> tests/ui/explicit_into_iter_loop.rs:84:14 + | +LL | for _ in dbg!([1, 2]).into_iter() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `dbg!([1, 2])` + +error: aborting due to 7 previous errors diff --git a/src/tools/clippy/tests/ui/explicit_iter_loop.fixed b/src/tools/clippy/tests/ui/explicit_iter_loop.fixed index cd0898dfc36..f246ec61800 100644 --- a/src/tools/clippy/tests/ui/explicit_iter_loop.fixed +++ b/src/tools/clippy/tests/ui/explicit_iter_loop.fixed @@ -183,3 +183,16 @@ pub fn issue_13184() { let rvalues = &values; for _ in rvalues.iter() {} } + +fn issue14630() { + macro_rules! mac { + (iter $e:expr) => { + $e.into_iter() + }; + } + + for _ in &dbg!([1, 2]) {} + //~^ explicit_iter_loop + + for _ in mac!(iter [1, 2]) {} +} diff --git a/src/tools/clippy/tests/ui/explicit_iter_loop.rs b/src/tools/clippy/tests/ui/explicit_iter_loop.rs index 02405280ce4..35f4fb7097d 100644 --- a/src/tools/clippy/tests/ui/explicit_iter_loop.rs +++ b/src/tools/clippy/tests/ui/explicit_iter_loop.rs @@ -183,3 +183,16 @@ pub fn issue_13184() { let rvalues = &values; for _ in rvalues.iter() {} } + +fn issue14630() { + macro_rules! mac { + (iter $e:expr) => { + $e.into_iter() + }; + } + + for _ in dbg!([1, 2]).iter() {} + //~^ explicit_iter_loop + + for _ in mac!(iter [1, 2]) {} +} diff --git a/src/tools/clippy/tests/ui/explicit_iter_loop.stderr b/src/tools/clippy/tests/ui/explicit_iter_loop.stderr index 3816bb4db98..575dbe7813d 100644 --- a/src/tools/clippy/tests/ui/explicit_iter_loop.stderr +++ b/src/tools/clippy/tests/ui/explicit_iter_loop.stderr @@ -112,5 +112,11 @@ error: it is more concise to loop over references to containers instead of using LL | for _ in r.iter() {} | ^^^^^^^^ help: to write this more concisely, try: `r` -error: aborting due to 18 previous errors +error: it is more concise to loop over references to containers instead of using explicit iteration methods + --> tests/ui/explicit_iter_loop.rs:194:14 + | +LL | for _ in dbg!([1, 2]).iter() {} + | ^^^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `&dbg!([1, 2])` + +error: aborting due to 19 previous errors diff --git a/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.rs b/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.rs index 68294292502..5d29e0317bb 100644 --- a/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.rs +++ b/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.rs @@ -1,6 +1,5 @@ -#![allow(clippy::question_mark, unused)] +#![allow(clippy::question_mark)] #![warn(clippy::filter_map_bool_then)] -//@no-rustfix fn issue11617() { let mut x: Vec<usize> = vec![0; 10]; diff --git a/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.stderr b/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.stderr index 2025958136b..2990423973e 100644 --- a/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.stderr +++ b/src/tools/clippy/tests/ui/filter_map_bool_then_unfixable.stderr @@ -1,5 +1,5 @@ error: usage of `bool::then` in `filter_map` - --> tests/ui/filter_map_bool_then_unfixable.rs:7:48 + --> tests/ui/filter_map_bool_then_unfixable.rs:6:48 | LL | let _ = (0..x.len()).zip(x.clone().iter()).filter_map(|(i, v)| { | ________________________________________________^ @@ -16,7 +16,7 @@ LL | | }); = help: to override `-D warnings` add `#[allow(clippy::filter_map_bool_then)]` error: usage of `bool::then` in `filter_map` - --> tests/ui/filter_map_bool_then_unfixable.rs:23:26 + --> tests/ui/filter_map_bool_then_unfixable.rs:22:26 | LL | let _ = x.iter().filter_map(|&x| x?.then(|| do_something(()))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -24,7 +24,7 @@ LL | let _ = x.iter().filter_map(|&x| x?.then(|| do_something(()))); = help: consider using `filter` then `map` instead error: usage of `bool::then` in `filter_map` - --> tests/ui/filter_map_bool_then_unfixable.rs:27:14 + --> tests/ui/filter_map_bool_then_unfixable.rs:26:14 | LL | .filter_map(|&x| if let Some(x) = x { x } else { return None }.then(|| do_something(()))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -32,7 +32,7 @@ LL | .filter_map(|&x| if let Some(x) = x { x } else { return None }. = help: consider using `filter` then `map` instead error: usage of `bool::then` in `filter_map` - --> tests/ui/filter_map_bool_then_unfixable.rs:29:26 + --> tests/ui/filter_map_bool_then_unfixable.rs:28:26 | LL | let _ = x.iter().filter_map(|&x| { | __________________________^ @@ -47,7 +47,7 @@ LL | | }); = help: consider using `filter` then `map` instead error: usage of `bool::then` in `filter_map` - --> tests/ui/filter_map_bool_then_unfixable.rs:47:26 + --> tests/ui/filter_map_bool_then_unfixable.rs:46:26 | LL | let _ = x.iter().filter_map(|&x| { | __________________________^ diff --git a/src/tools/clippy/tests/ui/ifs_same_cond.rs b/src/tools/clippy/tests/ui/ifs_same_cond.rs index ebc3acb1b77..7067434953d 100644 --- a/src/tools/clippy/tests/ui/ifs_same_cond.rs +++ b/src/tools/clippy/tests/ui/ifs_same_cond.rs @@ -6,19 +6,25 @@ fn ifs_same_cond() { let b = false; if b { + //~^ ifs_same_cond } else if b { + } + + if b { //~^ ifs_same_cond + } else if b { + } else if b { } if a == 1 { - } else if a == 1 { //~^ ifs_same_cond + } else if a == 1 { } if 2 * a == 1 { + //~^ ifs_same_cond } else if 2 * a == 2 { } else if 2 * a == 1 { - //~^ ifs_same_cond } else if a == 1 { } @@ -50,8 +56,8 @@ fn ifs_same_cond() { fn issue10272() { let a = String::from("ha"); if a.contains("ah") { - } else if a.contains("ah") { //~^ ifs_same_cond + } else if a.contains("ah") { // Trigger this lint } else if a.contains("ha") { diff --git a/src/tools/clippy/tests/ui/ifs_same_cond.stderr b/src/tools/clippy/tests/ui/ifs_same_cond.stderr index df21e6f1b82..7acbc1a6399 100644 --- a/src/tools/clippy/tests/ui/ifs_same_cond.stderr +++ b/src/tools/clippy/tests/ui/ifs_same_cond.stderr @@ -1,52 +1,52 @@ -error: this `if` has the same condition as a previous `if` - --> tests/ui/ifs_same_cond.rs:9:15 - | -LL | } else if b { - | ^ - | -note: same as this +error: these `if` branches have the same condition --> tests/ui/ifs_same_cond.rs:8:8 | LL | if b { | ^ +LL | +LL | } else if b { + | ^ + | = note: `-D clippy::ifs-same-cond` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::ifs_same_cond)]` -error: this `if` has the same condition as a previous `if` - --> tests/ui/ifs_same_cond.rs:14:15 - | -LL | } else if a == 1 { - | ^^^^^^ - | -note: same as this +error: these `if` branches have the same condition --> tests/ui/ifs_same_cond.rs:13:8 | +LL | if b { + | ^ +LL | +LL | } else if b { + | ^ +LL | } else if b { + | ^ + +error: these `if` branches have the same condition + --> tests/ui/ifs_same_cond.rs:19:8 + | LL | if a == 1 { | ^^^^^^ +LL | +LL | } else if a == 1 { + | ^^^^^^ -error: this `if` has the same condition as a previous `if` - --> tests/ui/ifs_same_cond.rs:20:15 - | -LL | } else if 2 * a == 1 { - | ^^^^^^^^^^ - | -note: same as this - --> tests/ui/ifs_same_cond.rs:18:8 +error: these `if` branches have the same condition + --> tests/ui/ifs_same_cond.rs:24:8 | LL | if 2 * a == 1 { | ^^^^^^^^^^ +... +LL | } else if 2 * a == 1 { + | ^^^^^^^^^^ -error: this `if` has the same condition as a previous `if` - --> tests/ui/ifs_same_cond.rs:53:15 - | -LL | } else if a.contains("ah") { - | ^^^^^^^^^^^^^^^^ - | -note: same as this - --> tests/ui/ifs_same_cond.rs:52:8 +error: these `if` branches have the same condition + --> tests/ui/ifs_same_cond.rs:58:8 | LL | if a.contains("ah") { | ^^^^^^^^^^^^^^^^ +LL | +LL | } else if a.contains("ah") { + | ^^^^^^^^^^^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/impl_trait_in_params.rs b/src/tools/clippy/tests/ui/impl_trait_in_params.rs index 2039f6339a8..72e3e068c9c 100644 --- a/src/tools/clippy/tests/ui/impl_trait_in_params.rs +++ b/src/tools/clippy/tests/ui/impl_trait_in_params.rs @@ -1,7 +1,7 @@ #![allow(unused)] #![warn(clippy::impl_trait_in_params)] -//@no-rustfix +//@no-rustfix: has placeholders pub trait Trait {} pub trait AnotherTrait<T> {} diff --git a/src/tools/clippy/tests/ui/infinite_loop.rs b/src/tools/clippy/tests/ui/infinite_loop.rs index 4a0968918bf..8ff7f3b0c18 100644 --- a/src/tools/clippy/tests/ui/infinite_loop.rs +++ b/src/tools/clippy/tests/ui/infinite_loop.rs @@ -1,5 +1,3 @@ -//@no-rustfix - fn fn_val(i: i32) -> i32 { unimplemented!() } diff --git a/src/tools/clippy/tests/ui/infinite_loop.stderr b/src/tools/clippy/tests/ui/infinite_loop.stderr index 7ba1374d64f..04da9776c30 100644 --- a/src/tools/clippy/tests/ui/infinite_loop.stderr +++ b/src/tools/clippy/tests/ui/infinite_loop.stderr @@ -1,5 +1,5 @@ error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:22:11 + --> tests/ui/infinite_loop.rs:20:11 | LL | while y < 10 { | ^^^^^^ @@ -8,7 +8,7 @@ LL | while y < 10 { = note: `#[deny(clippy::while_immutable_condition)]` on by default error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:29:11 + --> tests/ui/infinite_loop.rs:27:11 | LL | while y < 10 && x < 3 { | ^^^^^^^^^^^^^^^ @@ -16,7 +16,7 @@ LL | while y < 10 && x < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:38:11 + --> tests/ui/infinite_loop.rs:36:11 | LL | while !cond { | ^^^^^ @@ -24,7 +24,7 @@ LL | while !cond { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:84:11 + --> tests/ui/infinite_loop.rs:82:11 | LL | while i < 3 { | ^^^^^ @@ -32,7 +32,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:91:11 + --> tests/ui/infinite_loop.rs:89:11 | LL | while i < 3 && j > 0 { | ^^^^^^^^^^^^^^ @@ -40,7 +40,7 @@ LL | while i < 3 && j > 0 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:97:11 + --> tests/ui/infinite_loop.rs:95:11 | LL | while i < 3 { | ^^^^^ @@ -48,7 +48,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:114:11 + --> tests/ui/infinite_loop.rs:112:11 | LL | while i < 3 { | ^^^^^ @@ -56,7 +56,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:121:11 + --> tests/ui/infinite_loop.rs:119:11 | LL | while i < 3 { | ^^^^^ @@ -64,7 +64,7 @@ LL | while i < 3 { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:189:15 + --> tests/ui/infinite_loop.rs:187:15 | LL | while self.count < n { | ^^^^^^^^^^^^^^ @@ -72,7 +72,7 @@ LL | while self.count < n { = note: this may lead to an infinite or to a never running loop error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:199:11 + --> tests/ui/infinite_loop.rs:197:11 | LL | while y < 10 { | ^^^^^^ @@ -82,7 +82,7 @@ LL | while y < 10 { = help: rewrite it as `if cond { loop { } }` error: variables in the condition are not mutated in the loop body - --> tests/ui/infinite_loop.rs:208:11 + --> tests/ui/infinite_loop.rs:206:11 | LL | while y < 10 { | ^^^^^^ diff --git a/src/tools/clippy/tests/ui/infinite_loops.rs b/src/tools/clippy/tests/ui/infinite_loops.rs index eaa8d008806..fcd1f795fff 100644 --- a/src/tools/clippy/tests/ui/infinite_loops.rs +++ b/src/tools/clippy/tests/ui/infinite_loops.rs @@ -1,4 +1,4 @@ -//@no-rustfix +//@no-rustfix: multiple suggestions add `-> !` to the same fn //@aux-build:proc_macros.rs #![allow(clippy::never_loop)] diff --git a/src/tools/clippy/tests/ui/into_iter_without_iter.rs b/src/tools/clippy/tests/ui/into_iter_without_iter.rs index 45e34b3930a..f0b86e5620e 100644 --- a/src/tools/clippy/tests/ui/into_iter_without_iter.rs +++ b/src/tools/clippy/tests/ui/into_iter_without_iter.rs @@ -1,4 +1,4 @@ -//@no-rustfix +//@no-rustfix: suggestions reference out of scope lifetimes/types //@aux-build:proc_macros.rs #![warn(clippy::into_iter_without_iter)] extern crate proc_macros; diff --git a/src/tools/clippy/tests/ui/iter_next_loop.rs b/src/tools/clippy/tests/ui/iter_next_loop.rs index 32711c7ef62..8e62ed963b9 100644 --- a/src/tools/clippy/tests/ui/iter_next_loop.rs +++ b/src/tools/clippy/tests/ui/iter_next_loop.rs @@ -15,3 +15,16 @@ fn main() { let u = Unrelated(&[0]); for _v in u.next() {} // no error } + +fn issue14630() { + macro_rules! mac { + (next $e:expr) => { + $e.iter().next() + }; + } + + for _ in dbg!([1, 2].iter()).next() {} + //~^ iter_next_loop + + for _ in mac!(next [1, 2]) {} +} diff --git a/src/tools/clippy/tests/ui/iter_next_loop.stderr b/src/tools/clippy/tests/ui/iter_next_loop.stderr index acc55031c3b..c076e86db93 100644 --- a/src/tools/clippy/tests/ui/iter_next_loop.stderr +++ b/src/tools/clippy/tests/ui/iter_next_loop.stderr @@ -7,5 +7,11 @@ LL | for _ in x.iter().next() {} = note: `-D clippy::iter-next-loop` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::iter_next_loop)]` -error: aborting due to 1 previous error +error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want + --> tests/ui/iter_next_loop.rs:26:14 + | +LL | for _ in dbg!([1, 2].iter()).next() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors diff --git a/src/tools/clippy/tests/ui/iter_out_of_bounds.rs b/src/tools/clippy/tests/ui/iter_out_of_bounds.rs index b34e4ad7824..6458b1342dc 100644 --- a/src/tools/clippy/tests/ui/iter_out_of_bounds.rs +++ b/src/tools/clippy/tests/ui/iter_out_of_bounds.rs @@ -1,5 +1,3 @@ -//@no-rustfix - #![deny(clippy::iter_out_of_bounds)] #![allow(clippy::useless_vec)] diff --git a/src/tools/clippy/tests/ui/iter_out_of_bounds.stderr b/src/tools/clippy/tests/ui/iter_out_of_bounds.stderr index 19ac60b9d0a..1b3a99e1e94 100644 --- a/src/tools/clippy/tests/ui/iter_out_of_bounds.stderr +++ b/src/tools/clippy/tests/ui/iter_out_of_bounds.stderr @@ -1,18 +1,18 @@ error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:12:14 + --> tests/ui/iter_out_of_bounds.rs:10:14 | LL | for _ in [1, 2, 3].iter().skip(4) { | ^^^^^^^^^^^^^^^^^^^^^^^^ | = note: this operation is useless and will create an empty iterator note: the lint level is defined here - --> tests/ui/iter_out_of_bounds.rs:3:9 + --> tests/ui/iter_out_of_bounds.rs:1:9 | LL | #![deny(clippy::iter_out_of_bounds)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: this `.take()` call takes more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:17:19 + --> tests/ui/iter_out_of_bounds.rs:15:19 | LL | for (i, _) in [1, 2, 3].iter().take(4).enumerate() { | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -20,7 +20,7 @@ LL | for (i, _) in [1, 2, 3].iter().take(4).enumerate() { = note: this operation is useless and the returned iterator will simply yield the same items error: this `.take()` call takes more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:24:14 + --> tests/ui/iter_out_of_bounds.rs:22:14 | LL | for _ in (&&&&&&[1, 2, 3]).iter().take(4) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -28,7 +28,7 @@ LL | for _ in (&&&&&&[1, 2, 3]).iter().take(4) {} = note: this operation is useless and the returned iterator will simply yield the same items error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:27:14 + --> tests/ui/iter_out_of_bounds.rs:25:14 | LL | for _ in [1, 2, 3].iter().skip(4) {} | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -36,7 +36,7 @@ LL | for _ in [1, 2, 3].iter().skip(4) {} = note: this operation is useless and will create an empty iterator error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:30:14 + --> tests/ui/iter_out_of_bounds.rs:28:14 | LL | for _ in [1; 3].iter().skip(4) {} | ^^^^^^^^^^^^^^^^^^^^^ @@ -44,7 +44,7 @@ LL | for _ in [1; 3].iter().skip(4) {} = note: this operation is useless and will create an empty iterator error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:36:14 + --> tests/ui/iter_out_of_bounds.rs:34:14 | LL | for _ in vec![1, 2, 3].iter().skip(4) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -52,7 +52,7 @@ LL | for _ in vec![1, 2, 3].iter().skip(4) {} = note: this operation is useless and will create an empty iterator error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:39:14 + --> tests/ui/iter_out_of_bounds.rs:37:14 | LL | for _ in vec![1; 3].iter().skip(4) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -60,7 +60,7 @@ LL | for _ in vec![1; 3].iter().skip(4) {} = note: this operation is useless and will create an empty iterator error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:43:14 + --> tests/ui/iter_out_of_bounds.rs:41:14 | LL | for _ in x.iter().skip(4) {} | ^^^^^^^^^^^^^^^^ @@ -68,7 +68,7 @@ LL | for _ in x.iter().skip(4) {} = note: this operation is useless and will create an empty iterator error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:47:14 + --> tests/ui/iter_out_of_bounds.rs:45:14 | LL | for _ in x.iter().skip(n) {} | ^^^^^^^^^^^^^^^^ @@ -76,7 +76,7 @@ LL | for _ in x.iter().skip(n) {} = note: this operation is useless and will create an empty iterator error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:52:14 + --> tests/ui/iter_out_of_bounds.rs:50:14 | LL | for _ in empty().skip(1) {} | ^^^^^^^^^^^^^^^ @@ -84,7 +84,7 @@ LL | for _ in empty().skip(1) {} = note: this operation is useless and will create an empty iterator error: this `.take()` call takes more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:55:14 + --> tests/ui/iter_out_of_bounds.rs:53:14 | LL | for _ in empty().take(1) {} | ^^^^^^^^^^^^^^^ @@ -92,7 +92,7 @@ LL | for _ in empty().take(1) {} = note: this operation is useless and the returned iterator will simply yield the same items error: this `.skip()` call skips more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:58:14 + --> tests/ui/iter_out_of_bounds.rs:56:14 | LL | for _ in std::iter::once(1).skip(2) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -100,7 +100,7 @@ LL | for _ in std::iter::once(1).skip(2) {} = note: this operation is useless and will create an empty iterator error: this `.take()` call takes more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:61:14 + --> tests/ui/iter_out_of_bounds.rs:59:14 | LL | for _ in std::iter::once(1).take(2) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -108,7 +108,7 @@ LL | for _ in std::iter::once(1).take(2) {} = note: this operation is useless and the returned iterator will simply yield the same items error: this `.take()` call takes more items than the iterator will produce - --> tests/ui/iter_out_of_bounds.rs:64:14 + --> tests/ui/iter_out_of_bounds.rs:62:14 | LL | for x in [].iter().take(1) { | ^^^^^^^^^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/manual_find_fixable.fixed b/src/tools/clippy/tests/ui/manual_find_fixable.fixed index 5e6849a4dfb..01b3ebacbeb 100644 --- a/src/tools/clippy/tests/ui/manual_find_fixable.fixed +++ b/src/tools/clippy/tests/ui/manual_find_fixable.fixed @@ -179,3 +179,13 @@ fn two_bindings(v: Vec<(u8, u8)>) -> Option<u8> { } fn main() {} + +mod issue14826 { + fn adjust_fixable(needle: &str) -> Option<&'static str> { + ["foo", "bar"].iter().find(|&candidate| candidate.eq_ignore_ascii_case(needle)).map(|v| v as _) + } + + fn adjust_unfixable(needle: &str) -> Option<*const str> { + ["foo", "bar"].iter().find(|&&candidate| candidate.eq_ignore_ascii_case(needle)).copied().map(|v| v as _) + } +} diff --git a/src/tools/clippy/tests/ui/manual_find_fixable.rs b/src/tools/clippy/tests/ui/manual_find_fixable.rs index 08a7dd2c6ee..ce62a4beba1 100644 --- a/src/tools/clippy/tests/ui/manual_find_fixable.rs +++ b/src/tools/clippy/tests/ui/manual_find_fixable.rs @@ -251,3 +251,25 @@ fn two_bindings(v: Vec<(u8, u8)>) -> Option<u8> { } fn main() {} + +mod issue14826 { + fn adjust_fixable(needle: &str) -> Option<&'static str> { + for candidate in &["foo", "bar"] { + //~^ manual_find + if candidate.eq_ignore_ascii_case(needle) { + return Some(candidate); + } + } + None + } + + fn adjust_unfixable(needle: &str) -> Option<*const str> { + for &candidate in &["foo", "bar"] { + //~^ manual_find + if candidate.eq_ignore_ascii_case(needle) { + return Some(candidate); + } + } + None + } +} diff --git a/src/tools/clippy/tests/ui/manual_find_fixable.stderr b/src/tools/clippy/tests/ui/manual_find_fixable.stderr index afa453c5a87..020635d90bb 100644 --- a/src/tools/clippy/tests/ui/manual_find_fixable.stderr +++ b/src/tools/clippy/tests/ui/manual_find_fixable.stderr @@ -139,5 +139,27 @@ LL | | return Some(x); LL | | None | |____________^ help: replace with an iterator: `arr.into_iter().find(|&x| x < 1)` -error: aborting due to 12 previous errors +error: manual implementation of `Iterator::find` + --> tests/ui/manual_find_fixable.rs:257:9 + | +LL | / for candidate in &["foo", "bar"] { +LL | | +LL | | if candidate.eq_ignore_ascii_case(needle) { +LL | | return Some(candidate); +... | +LL | | None + | |____________^ help: replace with an iterator: `["foo", "bar"].iter().find(|&candidate| candidate.eq_ignore_ascii_case(needle)).map(|v| v as _)` + +error: manual implementation of `Iterator::find` + --> tests/ui/manual_find_fixable.rs:267:9 + | +LL | / for &candidate in &["foo", "bar"] { +LL | | +LL | | if candidate.eq_ignore_ascii_case(needle) { +LL | | return Some(candidate); +... | +LL | | None + | |____________^ help: replace with an iterator: `["foo", "bar"].iter().find(|&&candidate| candidate.eq_ignore_ascii_case(needle)).copied().map(|v| v as _)` + +error: aborting due to 14 previous errors diff --git a/src/tools/clippy/tests/ui/manual_flatten.rs b/src/tools/clippy/tests/ui/manual_flatten.rs index 97f35c36e24..f1a0053ef38 100644 --- a/src/tools/clippy/tests/ui/manual_flatten.rs +++ b/src/tools/clippy/tests/ui/manual_flatten.rs @@ -123,6 +123,13 @@ fn main() { println!("{}", n); } + // Using nested `Some` pattern should not trigger the lint + for n in vec![Some((1, Some(2)))] { + if let Some((_, Some(n))) = n { + println!("{}", n); + } + } + run_unformatted_tests(); } diff --git a/src/tools/clippy/tests/ui/manual_flatten.stderr b/src/tools/clippy/tests/ui/manual_flatten.stderr index 5ab25658017..9a846fe17f3 100644 --- a/src/tools/clippy/tests/ui/manual_flatten.stderr +++ b/src/tools/clippy/tests/ui/manual_flatten.stderr @@ -178,7 +178,7 @@ LL | | } | |_________^ error: unnecessary `if let` since only the `Some` variant of the iterator element is used - --> tests/ui/manual_flatten.rs:132:5 + --> tests/ui/manual_flatten.rs:139:5 | LL | / for n in vec![ LL | | @@ -189,7 +189,7 @@ LL | | } | |_____^ | help: remove the `if let` statement in the for loop and then... - --> tests/ui/manual_flatten.rs:139:9 + --> tests/ui/manual_flatten.rs:146:9 | LL | / if let Some(n) = n { LL | | println!("{:?}", n); diff --git a/src/tools/clippy/tests/ui/manual_inspect.fixed b/src/tools/clippy/tests/ui/manual_inspect.fixed index ec87fe217ae..9b768dbad70 100644 --- a/src/tools/clippy/tests/ui/manual_inspect.fixed +++ b/src/tools/clippy/tests/ui/manual_inspect.fixed @@ -107,7 +107,7 @@ fn main() { let _ = || { let _x = x; }; - return ; + return; } println!("test"); }); diff --git a/src/tools/clippy/tests/ui/manual_inspect.stderr b/src/tools/clippy/tests/ui/manual_inspect.stderr index eb98f9f5995..78b085fdfca 100644 --- a/src/tools/clippy/tests/ui/manual_inspect.stderr +++ b/src/tools/clippy/tests/ui/manual_inspect.stderr @@ -98,7 +98,7 @@ LL | if x.is_empty() { LL | let _ = || { LL ~ let _x = x; LL | }; -LL ~ return ; +LL ~ return; LL | } LL ~ println!("test"); | diff --git a/src/tools/clippy/tests/ui/manual_is_variant_and.fixed b/src/tools/clippy/tests/ui/manual_is_variant_and.fixed index c9c184561dd..18a72188ab5 100644 --- a/src/tools/clippy/tests/ui/manual_is_variant_and.fixed +++ b/src/tools/clippy/tests/ui/manual_is_variant_and.fixed @@ -4,6 +4,44 @@ #[macro_use] extern crate option_helpers; +struct Foo<T>(T); + +impl<T> Foo<T> { + fn map<F: FnMut(T) -> bool>(self, mut f: F) -> Option<bool> { + Some(f(self.0)) + } +} + +fn foo() -> Option<bool> { + Some(true) +} + +macro_rules! some_true { + () => { + Some(true) + }; +} +macro_rules! some_false { + () => { + Some(false) + }; +} + +macro_rules! mac { + (some $e:expr) => { + Some($e) + }; + (some_map $e:expr) => { + Some($e).map(|x| x % 2 == 0) + }; + (map $e:expr) => { + $e.map(|x| x % 2 == 0) + }; + (eq $a:expr, $b:expr) => { + $a == $b + }; +} + #[rustfmt::skip] fn option_methods() { let opt = Some(1); @@ -21,6 +59,15 @@ fn option_methods() { let _ = opt .is_some_and(|x| x > 1); + let _ = Some(2).is_some_and(|x| x % 2 == 0); + //~^ manual_is_variant_and + let _ = Some(2).is_none_or(|x| x % 2 == 0); + //~^ manual_is_variant_and + let _ = Some(2).is_some_and(|x| x % 2 == 0); + //~^ manual_is_variant_and + let _ = Some(2).is_none_or(|x| x % 2 == 0); + //~^ manual_is_variant_and + // won't fix because the return type of the closure is not `bool` let _ = opt.map(|x| x + 1).unwrap_or_default(); @@ -28,6 +75,14 @@ fn option_methods() { let _ = opt2.is_some_and(char::is_alphanumeric); // should lint //~^ manual_is_variant_and let _ = opt_map!(opt2, |x| x == 'a').unwrap_or_default(); // should not lint + + // Should not lint. + let _ = Foo::<u32>(0).map(|x| x % 2 == 0) == Some(true); + let _ = Some(2).map(|x| x % 2 == 0) != foo(); + let _ = mac!(eq Some(2).map(|x| x % 2 == 0), Some(true)); + let _ = mac!(some 2).map(|x| x % 2 == 0) == Some(true); + let _ = mac!(some_map 2) == Some(true); + let _ = mac!(map Some(2)) == Some(true); } #[rustfmt::skip] @@ -41,6 +96,13 @@ fn result_methods() { }); let _ = res.is_ok_and(|x| x > 1); + let _ = Ok::<usize, ()>(2).is_ok_and(|x| x % 2 == 0); + //~^ manual_is_variant_and + let _ = !Ok::<usize, ()>(2).is_ok_and(|x| x % 2 == 0); + //~^ manual_is_variant_and + let _ = !Ok::<usize, ()>(2).is_ok_and(|x| x % 2 == 0); + //~^ manual_is_variant_and + // won't fix because the return type of the closure is not `bool` let _ = res.map(|x| x + 1).unwrap_or_default(); diff --git a/src/tools/clippy/tests/ui/manual_is_variant_and.rs b/src/tools/clippy/tests/ui/manual_is_variant_and.rs index 52c7b56804c..a92f7c04369 100644 --- a/src/tools/clippy/tests/ui/manual_is_variant_and.rs +++ b/src/tools/clippy/tests/ui/manual_is_variant_and.rs @@ -4,6 +4,44 @@ #[macro_use] extern crate option_helpers; +struct Foo<T>(T); + +impl<T> Foo<T> { + fn map<F: FnMut(T) -> bool>(self, mut f: F) -> Option<bool> { + Some(f(self.0)) + } +} + +fn foo() -> Option<bool> { + Some(true) +} + +macro_rules! some_true { + () => { + Some(true) + }; +} +macro_rules! some_false { + () => { + Some(false) + }; +} + +macro_rules! mac { + (some $e:expr) => { + Some($e) + }; + (some_map $e:expr) => { + Some($e).map(|x| x % 2 == 0) + }; + (map $e:expr) => { + $e.map(|x| x % 2 == 0) + }; + (eq $a:expr, $b:expr) => { + $a == $b + }; +} + #[rustfmt::skip] fn option_methods() { let opt = Some(1); @@ -27,6 +65,15 @@ fn option_methods() { //~^ manual_is_variant_and .unwrap_or_default(); + let _ = Some(2).map(|x| x % 2 == 0) == Some(true); + //~^ manual_is_variant_and + let _ = Some(2).map(|x| x % 2 == 0) != Some(true); + //~^ manual_is_variant_and + let _ = Some(2).map(|x| x % 2 == 0) == some_true!(); + //~^ manual_is_variant_and + let _ = Some(2).map(|x| x % 2 == 0) != some_false!(); + //~^ manual_is_variant_and + // won't fix because the return type of the closure is not `bool` let _ = opt.map(|x| x + 1).unwrap_or_default(); @@ -34,6 +81,14 @@ fn option_methods() { let _ = opt2.map(char::is_alphanumeric).unwrap_or_default(); // should lint //~^ manual_is_variant_and let _ = opt_map!(opt2, |x| x == 'a').unwrap_or_default(); // should not lint + + // Should not lint. + let _ = Foo::<u32>(0).map(|x| x % 2 == 0) == Some(true); + let _ = Some(2).map(|x| x % 2 == 0) != foo(); + let _ = mac!(eq Some(2).map(|x| x % 2 == 0), Some(true)); + let _ = mac!(some 2).map(|x| x % 2 == 0) == Some(true); + let _ = mac!(some_map 2) == Some(true); + let _ = mac!(map Some(2)) == Some(true); } #[rustfmt::skip] @@ -50,6 +105,13 @@ fn result_methods() { //~^ manual_is_variant_and .unwrap_or_default(); + let _ = Ok::<usize, ()>(2).map(|x| x % 2 == 0) == Ok(true); + //~^ manual_is_variant_and + let _ = Ok::<usize, ()>(2).map(|x| x % 2 == 0) != Ok(true); + //~^ manual_is_variant_and + let _ = Ok::<usize, ()>(2).map(|x| x % 2 == 0) != Ok(true); + //~^ manual_is_variant_and + // won't fix because the return type of the closure is not `bool` let _ = res.map(|x| x + 1).unwrap_or_default(); diff --git a/src/tools/clippy/tests/ui/manual_is_variant_and.stderr b/src/tools/clippy/tests/ui/manual_is_variant_and.stderr index a4fa500580d..1fb437a8bc7 100644 --- a/src/tools/clippy/tests/ui/manual_is_variant_and.stderr +++ b/src/tools/clippy/tests/ui/manual_is_variant_and.stderr @@ -1,5 +1,5 @@ error: called `map(<f>).unwrap_or_default()` on an `Option` value - --> tests/ui/manual_is_variant_and.rs:13:17 + --> tests/ui/manual_is_variant_and.rs:51:17 | LL | let _ = opt.map(|x| x > 1) | _________________^ @@ -11,7 +11,7 @@ LL | | .unwrap_or_default(); = help: to override `-D warnings` add `#[allow(clippy::manual_is_variant_and)]` error: called `map(<f>).unwrap_or_default()` on an `Option` value - --> tests/ui/manual_is_variant_and.rs:18:17 + --> tests/ui/manual_is_variant_and.rs:56:17 | LL | let _ = opt.map(|x| { | _________________^ @@ -30,13 +30,13 @@ LL ~ }); | error: called `map(<f>).unwrap_or_default()` on an `Option` value - --> tests/ui/manual_is_variant_and.rs:23:17 + --> tests/ui/manual_is_variant_and.rs:61:17 | LL | let _ = opt.map(|x| x > 1).unwrap_or_default(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `is_some_and(|x| x > 1)` error: called `map(<f>).unwrap_or_default()` on an `Option` value - --> tests/ui/manual_is_variant_and.rs:26:10 + --> tests/ui/manual_is_variant_and.rs:64:10 | LL | .map(|x| x > 1) | __________^ @@ -44,14 +44,38 @@ LL | | LL | | .unwrap_or_default(); | |____________________________^ help: use: `is_some_and(|x| x > 1)` +error: called `.map() == Some()` + --> tests/ui/manual_is_variant_and.rs:68:13 + | +LL | let _ = Some(2).map(|x| x % 2 == 0) == Some(true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `Some(2).is_some_and(|x| x % 2 == 0)` + +error: called `.map() != Some()` + --> tests/ui/manual_is_variant_and.rs:70:13 + | +LL | let _ = Some(2).map(|x| x % 2 == 0) != Some(true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `Some(2).is_none_or(|x| x % 2 == 0)` + +error: called `.map() == Some()` + --> tests/ui/manual_is_variant_and.rs:72:13 + | +LL | let _ = Some(2).map(|x| x % 2 == 0) == some_true!(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `Some(2).is_some_and(|x| x % 2 == 0)` + +error: called `.map() != Some()` + --> tests/ui/manual_is_variant_and.rs:74:13 + | +LL | let _ = Some(2).map(|x| x % 2 == 0) != some_false!(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `Some(2).is_none_or(|x| x % 2 == 0)` + error: called `map(<f>).unwrap_or_default()` on an `Option` value - --> tests/ui/manual_is_variant_and.rs:34:18 + --> tests/ui/manual_is_variant_and.rs:81:18 | LL | let _ = opt2.map(char::is_alphanumeric).unwrap_or_default(); // should lint | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `is_some_and(char::is_alphanumeric)` error: called `map(<f>).unwrap_or_default()` on a `Result` value - --> tests/ui/manual_is_variant_and.rs:44:17 + --> tests/ui/manual_is_variant_and.rs:99:17 | LL | let _ = res.map(|x| { | _________________^ @@ -70,7 +94,7 @@ LL ~ }); | error: called `map(<f>).unwrap_or_default()` on a `Result` value - --> tests/ui/manual_is_variant_and.rs:49:17 + --> tests/ui/manual_is_variant_and.rs:104:17 | LL | let _ = res.map(|x| x > 1) | _________________^ @@ -78,11 +102,29 @@ LL | | LL | | .unwrap_or_default(); | |____________________________^ help: use: `is_ok_and(|x| x > 1)` +error: called `.map() == Ok()` + --> tests/ui/manual_is_variant_and.rs:108:13 + | +LL | let _ = Ok::<usize, ()>(2).map(|x| x % 2 == 0) == Ok(true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `Ok::<usize, ()>(2).is_ok_and(|x| x % 2 == 0)` + +error: called `.map() != Ok()` + --> tests/ui/manual_is_variant_and.rs:110:13 + | +LL | let _ = Ok::<usize, ()>(2).map(|x| x % 2 == 0) != Ok(true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `!Ok::<usize, ()>(2).is_ok_and(|x| x % 2 == 0)` + +error: called `.map() != Ok()` + --> tests/ui/manual_is_variant_and.rs:112:13 + | +LL | let _ = Ok::<usize, ()>(2).map(|x| x % 2 == 0) != Ok(true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `!Ok::<usize, ()>(2).is_ok_and(|x| x % 2 == 0)` + error: called `map(<f>).unwrap_or_default()` on a `Result` value - --> tests/ui/manual_is_variant_and.rs:57:18 + --> tests/ui/manual_is_variant_and.rs:119:18 | LL | let _ = res2.map(char::is_alphanumeric).unwrap_or_default(); // should lint | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `is_ok_and(char::is_alphanumeric)` -error: aborting due to 8 previous errors +error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui/manual_slice_size_calculation.fixed b/src/tools/clippy/tests/ui/manual_slice_size_calculation.fixed index 294d1e1506d..090f0fd30c5 100644 --- a/src/tools/clippy/tests/ui/manual_slice_size_calculation.fixed +++ b/src/tools/clippy/tests/ui/manual_slice_size_calculation.fixed @@ -60,7 +60,26 @@ fn main() { let _ = size_of::<i32>() * 5 * s_i32.len(); // Ok (MISSED OPPORTUNITY) } -const fn _const(s_i32: &[i32]) { - // True negative: - let _ = s_i32.len() * size_of::<i32>(); // Ok, can't use size_of_val in const +#[clippy::msrv = "1.85"] +const fn const_ok(s_i32: &[i32]) { + let _ = std::mem::size_of_val(s_i32); + //~^ manual_slice_size_calculation +} + +#[clippy::msrv = "1.84"] +const fn const_before_msrv(s_i32: &[i32]) { + let _ = s_i32.len() * size_of::<i32>(); +} + +fn issue_14802() { + struct IcedSlice { + dst: [u8], + } + + impl IcedSlice { + fn get_len(&self) -> usize { + std::mem::size_of_val(&self.dst) + //~^ manual_slice_size_calculation + } + } } diff --git a/src/tools/clippy/tests/ui/manual_slice_size_calculation.rs b/src/tools/clippy/tests/ui/manual_slice_size_calculation.rs index ae522566313..3c19a0eb5ce 100644 --- a/src/tools/clippy/tests/ui/manual_slice_size_calculation.rs +++ b/src/tools/clippy/tests/ui/manual_slice_size_calculation.rs @@ -60,7 +60,26 @@ fn main() { let _ = size_of::<i32>() * 5 * s_i32.len(); // Ok (MISSED OPPORTUNITY) } -const fn _const(s_i32: &[i32]) { - // True negative: - let _ = s_i32.len() * size_of::<i32>(); // Ok, can't use size_of_val in const +#[clippy::msrv = "1.85"] +const fn const_ok(s_i32: &[i32]) { + let _ = s_i32.len() * size_of::<i32>(); + //~^ manual_slice_size_calculation +} + +#[clippy::msrv = "1.84"] +const fn const_before_msrv(s_i32: &[i32]) { + let _ = s_i32.len() * size_of::<i32>(); +} + +fn issue_14802() { + struct IcedSlice { + dst: [u8], + } + + impl IcedSlice { + fn get_len(&self) -> usize { + self.dst.len() * size_of::<u8>() + //~^ manual_slice_size_calculation + } + } } diff --git a/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr b/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr index f07e97a1c86..8e9b49e4bf2 100644 --- a/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr +++ b/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr @@ -55,5 +55,17 @@ error: manual slice size calculation LL | let _ = external!(&[1u64][..]).len() * size_of::<u64>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::mem::size_of_val(external!(&[1u64][..]))` -error: aborting due to 9 previous errors +error: manual slice size calculation + --> tests/ui/manual_slice_size_calculation.rs:65:13 + | +LL | let _ = s_i32.len() * size_of::<i32>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::mem::size_of_val(s_i32)` + +error: manual slice size calculation + --> tests/ui/manual_slice_size_calculation.rs:81:13 + | +LL | self.dst.len() * size_of::<u8>() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::mem::size_of_val(&self.dst)` + +error: aborting due to 11 previous errors diff --git a/src/tools/clippy/tests/ui/map_flatten.rs b/src/tools/clippy/tests/ui/map_flatten.rs index d7e9c9d9900..0970da8039a 100644 --- a/src/tools/clippy/tests/ui/map_flatten.rs +++ b/src/tools/clippy/tests/ui/map_flatten.rs @@ -1,5 +1,5 @@ #![warn(clippy::map_flatten)] -#![feature(result_flattening)] + //@no-rustfix // issue #8506, multi-line #[rustfmt::skip] diff --git a/src/tools/clippy/tests/ui/map_flatten_fixable.fixed b/src/tools/clippy/tests/ui/map_flatten_fixable.fixed index f8379ed23c5..6d8a27d3018 100644 --- a/src/tools/clippy/tests/ui/map_flatten_fixable.fixed +++ b/src/tools/clippy/tests/ui/map_flatten_fixable.fixed @@ -1,4 +1,3 @@ -#![feature(result_flattening)] #![allow( clippy::let_underscore_untyped, clippy::missing_docs_in_private_items, diff --git a/src/tools/clippy/tests/ui/map_flatten_fixable.rs b/src/tools/clippy/tests/ui/map_flatten_fixable.rs index 040a9ca85f6..845e3a79ae2 100644 --- a/src/tools/clippy/tests/ui/map_flatten_fixable.rs +++ b/src/tools/clippy/tests/ui/map_flatten_fixable.rs @@ -1,4 +1,3 @@ -#![feature(result_flattening)] #![allow( clippy::let_underscore_untyped, clippy::missing_docs_in_private_items, diff --git a/src/tools/clippy/tests/ui/map_flatten_fixable.stderr b/src/tools/clippy/tests/ui/map_flatten_fixable.stderr index fe68eb7e4ab..05d4d9a6ad8 100644 --- a/src/tools/clippy/tests/ui/map_flatten_fixable.stderr +++ b/src/tools/clippy/tests/ui/map_flatten_fixable.stderr @@ -1,5 +1,5 @@ error: called `map(..).flatten()` on `Iterator` - --> tests/ui/map_flatten_fixable.rs:17:47 + --> tests/ui/map_flatten_fixable.rs:16:47 | LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id).flatten().collect(); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(option_id)` @@ -8,43 +8,43 @@ LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id).flatten().coll = help: to override `-D warnings` add `#[allow(clippy::map_flatten)]` error: called `map(..).flatten()` on `Iterator` - --> tests/ui/map_flatten_fixable.rs:19:47 + --> tests/ui/map_flatten_fixable.rs:18:47 | LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id_ref).flatten().collect(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(option_id_ref)` error: called `map(..).flatten()` on `Iterator` - --> tests/ui/map_flatten_fixable.rs:21:47 + --> tests/ui/map_flatten_fixable.rs:20:47 | LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id_closure).flatten().collect(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(option_id_closure)` error: called `map(..).flatten()` on `Iterator` - --> tests/ui/map_flatten_fixable.rs:23:47 + --> tests/ui/map_flatten_fixable.rs:22:47 | LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(|x| x.checked_add(1)).flatten().collect(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(|x| x.checked_add(1))` error: called `map(..).flatten()` on `Iterator` - --> tests/ui/map_flatten_fixable.rs:27:47 + --> tests/ui/map_flatten_fixable.rs:26:47 | LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(|x| 0..x).flatten().collect(); | ^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `flat_map` and remove the `.flatten()`: `flat_map(|x| 0..x)` error: called `map(..).flatten()` on `Option` - --> tests/ui/map_flatten_fixable.rs:31:40 + --> tests/ui/map_flatten_fixable.rs:30:40 | LL | let _: Option<_> = (Some(Some(1))).map(|x| x).flatten(); | ^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `and_then` and remove the `.flatten()`: `and_then(|x| x)` error: called `map(..).flatten()` on `Result` - --> tests/ui/map_flatten_fixable.rs:35:42 + --> tests/ui/map_flatten_fixable.rs:34:42 | LL | let _: Result<_, &str> = (Ok(Ok(1))).map(|x| x).flatten(); | ^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `and_then` and remove the `.flatten()`: `and_then(|x| x)` error: called `map(..).flatten()` on `Iterator` - --> tests/ui/map_flatten_fixable.rs:45:10 + --> tests/ui/map_flatten_fixable.rs:44:10 | LL | .map(|n| match n { | __________^ @@ -74,7 +74,7 @@ LL ~ }); | error: called `map(..).flatten()` on `Option` - --> tests/ui/map_flatten_fixable.rs:66:10 + --> tests/ui/map_flatten_fixable.rs:65:10 | LL | .map(|_| { | __________^ diff --git a/src/tools/clippy/tests/ui/match_same_arms.fixed b/src/tools/clippy/tests/ui/match_same_arms.fixed new file mode 100644 index 00000000000..31684a5759f --- /dev/null +++ b/src/tools/clippy/tests/ui/match_same_arms.fixed @@ -0,0 +1,142 @@ +#![allow(clippy::manual_range_patterns)] +#![warn(clippy::match_same_arms)] + +pub enum Abc { + A, + B, + C, +} + +fn match_same_arms() { + let _ = match Abc::A { + Abc::B => 1, + _ => 0, + //~^ match_same_arms + }; + + match 0 { + 1 => 'a', + _ => 'b', + //~^ match_same_arms + }; + + match (1, 2, 3) { + (1, .., 3) | (.., 3) => 42, + //~^ match_same_arms + _ => 0, + }; + + let _ = match 42 { + //~^ match_same_arms + 42 | 51 => 1, + 41 | 52 => 2, + //~^ match_same_arms + _ => 0, + }; + + let _ = match 42 { + //~^ match_same_arms + 1 | 2 | 3 => 2, + 4 => 3, + _ => 0, + }; +} + +mod issue4244 { + #[derive(PartialEq, PartialOrd, Eq, Ord)] + pub enum CommandInfo { + BuiltIn { name: String, about: Option<String> }, + External { name: String, path: std::path::PathBuf }, + } + + impl CommandInfo { + pub fn name(&self) -> String { + match self { + //~^ match_same_arms + CommandInfo::BuiltIn { name, .. } | CommandInfo::External { name, .. } => name.to_string(), + } + } + } +} + +macro_rules! m { + (foo) => {}; + (bar) => {}; +} +macro_rules! foo { + () => { + 1 + }; +} +macro_rules! bar { + () => { + 1 + }; +} + +fn main() { + let x = 0; + let _ = match 0 { + 0 => { + m!(foo); + x + }, + 1 => { + m!(bar); + x + }, + _ => 1, + }; + + let _ = match 0 { + 0 => { + m!(foo); + 0 + }, + 1 => { + m!(bar); + 0 + }, + _ => 1, + }; + + let _ = match 0 { + 0 => { + let mut x = 0; + #[cfg(not_enabled)] + { + x = 5; + } + #[cfg(not(not_enabled))] + { + x = 6; + } + x + }, + 1 => { + let mut x = 0; + #[cfg(also_not_enabled)] + { + x = 5; + } + #[cfg(not(also_not_enabled))] + { + x = 6; + } + x + }, + _ => 0, + }; + + let _ = match 0 { + 0 => foo!(), + 1 => bar!(), + _ => 1, + }; + + let _ = match 0 { + 0 => cfg!(not_enabled), + 1 => cfg!(also_not_enabled), + _ => false, + }; +} diff --git a/src/tools/clippy/tests/ui/match_same_arms.rs b/src/tools/clippy/tests/ui/match_same_arms.rs index 55441948e91..39bee01bac2 100644 --- a/src/tools/clippy/tests/ui/match_same_arms.rs +++ b/src/tools/clippy/tests/ui/match_same_arms.rs @@ -1,4 +1,4 @@ -//@no-rustfix: overlapping suggestions +#![allow(clippy::manual_range_patterns)] #![warn(clippy::match_same_arms)] pub enum Abc { @@ -10,9 +10,17 @@ pub enum Abc { fn match_same_arms() { let _ = match Abc::A { Abc::A => 0, - //~^ match_same_arms Abc::B => 1, _ => 0, + //~^ match_same_arms + }; + + match 0 { + 1 => 'a', + 2 => 'b', + 3 => 'b', + _ => 'b', + //~^ match_same_arms }; match (1, 2, 3) { @@ -24,8 +32,8 @@ fn match_same_arms() { let _ = match 42 { 42 => 1, - 51 => 1, //~^ match_same_arms + 51 => 1, 41 => 2, //~^ match_same_arms 52 => 2, @@ -34,11 +42,9 @@ fn match_same_arms() { let _ = match 42 { 1 => 2, - 2 => 2, //~^ match_same_arms - //~| match_same_arms + 2 => 2, 3 => 2, - //~^ match_same_arms 4 => 3, _ => 0, }; @@ -55,8 +61,8 @@ mod issue4244 { pub fn name(&self) -> String { match self { CommandInfo::BuiltIn { name, .. } => name.to_string(), - CommandInfo::External { name, .. } => name.to_string(), //~^ match_same_arms + CommandInfo::External { name, .. } => name.to_string(), } } } diff --git a/src/tools/clippy/tests/ui/match_same_arms.stderr b/src/tools/clippy/tests/ui/match_same_arms.stderr index 3744b83d89c..8aa60f83576 100644 --- a/src/tools/clippy/tests/ui/match_same_arms.stderr +++ b/src/tools/clippy/tests/ui/match_same_arms.stderr @@ -1,118 +1,121 @@ -error: this match arm has an identical body to the `_` wildcard arm +error: these match arms have identical bodies --> tests/ui/match_same_arms.rs:12:9 | -LL | / Abc::A => 0, -LL | | - | |________^ help: try removing the arm - | - = help: or try changing either arm body -note: `_` wildcard arm here - --> tests/ui/match_same_arms.rs:15:9 - | +LL | Abc::A => 0, + | ^^^^^^^^^^^ +LL | Abc::B => 1, LL | _ => 0, - | ^^^^^^ + | ^^^^^^ the wildcard arm + | + = help: if this is unintentional make the arms return different values = note: `-D clippy::match-same-arms` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` +help: otherwise remove the non-wildcard arm + | +LL - Abc::A => 0, + | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:19:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms.rs:20:9 + | +LL | 2 => 'b', + | ^^^^^^^^ +LL | 3 => 'b', + | ^^^^^^^^ +LL | _ => 'b', + | ^^^^^^^^ the wildcard arm + | + = help: if this is unintentional make the arms return different values +help: otherwise remove the non-wildcard arms + | +LL - 2 => 'b', +LL - 3 => 'b', +LL + _ => 'b', + | + +error: these match arms have identical bodies + --> tests/ui/match_same_arms.rs:27:9 | LL | (1, .., 3) => 42, | ^^^^^^^^^^^^^^^^ +LL | +LL | (.., 3) => 42, + | ^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | LL ~ (1, .., 3) | (.., 3) => 42, LL | LL ~ _ => 0, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:27:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms.rs:34:9 | +LL | 42 => 1, + | ^^^^^^^ +LL | LL | 51 => 1, | ^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - 42 => 1, -LL - 51 => 1, -LL + 51 | 42 => 1, +LL ~ +LL ~ 42 | 51 => 1, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:29:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms.rs:37:9 | LL | 41 => 2, | ^^^^^^^ +LL | +LL | 52 => 2, + | ^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | LL ~ 41 | 52 => 2, LL | LL ~ _ => 0, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:37:9 - | -LL | 2 => 2, - | ^^^^^^ - | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm - | -LL - 1 => 2, -LL - 2 => 2, -LL + 2 | 1 => 2, - | - -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:40:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms.rs:44:9 | -LL | 3 => 2, +LL | 1 => 2, | ^^^^^^ - | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm - | -LL ~ 2 => 2, -LL | LL | -LL ~ 3 | 1 => 2, - | - -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:37:9 - | LL | 2 => 2, | ^^^^^^ +LL | 3 => 2, + | ^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL ~ 2 | 3 => 2, -LL | -LL | LL ~ +LL ~ 1 | 2 | 3 => 2, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms.rs:58:17 +error: these match arms have identical bodies + --> tests/ui/match_same_arms.rs:63:17 | +LL | CommandInfo::BuiltIn { name, .. } => name.to_string(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | CommandInfo::External { name, .. } => name.to_string(), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - CommandInfo::BuiltIn { name, .. } => name.to_string(), -LL - CommandInfo::External { name, .. } => name.to_string(), -LL + CommandInfo::External { name, .. } | CommandInfo::BuiltIn { name, .. } => name.to_string(), +LL ~ +LL ~ CommandInfo::BuiltIn { name, .. } | CommandInfo::External { name, .. } => name.to_string(), | -error: aborting due to 8 previous errors +error: aborting due to 7 previous errors diff --git a/src/tools/clippy/tests/ui/match_same_arms2.fixed b/src/tools/clippy/tests/ui/match_same_arms2.fixed index 0d93e2c728d..cb860cef1e6 100644 --- a/src/tools/clippy/tests/ui/match_same_arms2.fixed +++ b/src/tools/clippy/tests/ui/match_same_arms2.fixed @@ -14,7 +14,7 @@ fn foo() -> bool { fn match_same_arms() { let _ = match 42 { - //~^^^^^^^^^ match_same_arms + //~v match_same_arms _ => { foo(); let mut a = 42 + [23].len() as i32; @@ -27,14 +27,14 @@ fn match_same_arms() { }; let _ = match 42 { - 51 | 42 => foo(), //~^ match_same_arms + 42 | 51 => foo(), _ => true, }; let _ = match Some(42) { - None | Some(_) => 24, //~^ match_same_arms + Some(_) | None => 24, }; let _ = match Some(42) { @@ -55,8 +55,8 @@ fn match_same_arms() { }; match (Some(42), Some(42)) { - (None, Some(a)) | (Some(a), None) => bar(a), //~^ match_same_arms + (Some(a), None) | (None, Some(a)) => bar(a), _ => (), } @@ -69,8 +69,8 @@ fn match_same_arms() { }; let _ = match (Some(42), Some(42)) { - (None, Some(a)) | (Some(a), None) if a == 42 => a, //~^ match_same_arms + (Some(a), None) | (None, Some(a)) if a == 42 => a, _ => 0, }; @@ -124,8 +124,8 @@ fn match_same_arms() { // False negative #2251. match x { Ok(_tmp) => println!("ok"), - Ok(_) | Ok(3) => println!("ok"), //~^ match_same_arms + Ok(3) | Ok(_) => println!("ok"), Err(_) => { unreachable!(); }, @@ -149,10 +149,10 @@ fn match_same_arms() { // still lint if the tokens are the same match 0 { - 1 | 0 => { + //~^^^ match_same_arms + 0 | 1 => { empty!(0); }, - //~^^^ match_same_arms x => { empty!(x); }, @@ -208,9 +208,9 @@ fn main() { // Suggest moving `Foo::X(0)` down. let _ = match Foo::X(0) { - Foo::Y(_) | Foo::Z(0) => 2, - Foo::Z(_) | Foo::X(0) => 1, //~^ match_same_arms + Foo::Y(_) | Foo::Z(0) => 2, + Foo::X(0) | Foo::Z(_) => 1, _ => 0, }; @@ -230,10 +230,10 @@ fn main() { // Lint. let _ = match None { + //~^ match_same_arms Some(Bar { y: 10, z: 0, .. }) => 2, None => 50, - Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. }) => 1, - //~^ match_same_arms + Some(Bar { x: 0, y: 5, .. }) | Some(Bar { y: 0, x: 5, .. }) => 1, _ => 200, }; @@ -246,8 +246,8 @@ fn main() { }; let _ = match 0 { - 1 | 0 => cfg!(not_enable), //~^ match_same_arms + 0 | 1 => cfg!(not_enable), _ => false, }; } @@ -262,9 +262,34 @@ mod with_lifetime { impl<'a> MaybeStaticStr<'a> { fn get(&self) -> &'a str { match *self { - MaybeStaticStr::Borrowed(s) | MaybeStaticStr::Static(s) => s, //~^ match_same_arms + MaybeStaticStr::Static(s) | MaybeStaticStr::Borrowed(s) => s, } } } } + +fn lint_levels() { + match 1 { + 0 => "a", + 1 => "b", + #[expect(clippy::match_same_arms)] + _ => "b", + }; + + match 2 { + 0 => "a", + 1 | 2 => "b", + //~^ match_same_arms + #[allow(clippy::match_same_arms)] + _ => "b", + }; + + match 3 { + 0 => "a", + 1 | 2 => "b", + //~^ match_same_arms + #[expect(clippy::match_same_arms)] + _ => "b", + }; +} diff --git a/src/tools/clippy/tests/ui/match_same_arms2.rs b/src/tools/clippy/tests/ui/match_same_arms2.rs index b0ebc4784f3..0fd5d76e7d3 100644 --- a/src/tools/clippy/tests/ui/match_same_arms2.rs +++ b/src/tools/clippy/tests/ui/match_same_arms2.rs @@ -23,7 +23,7 @@ fn match_same_arms() { a = -31 - a; a }, - //~^^^^^^^^^ match_same_arms + //~v match_same_arms _ => { foo(); let mut a = 42 + [23].len() as i32; @@ -37,15 +37,15 @@ fn match_same_arms() { let _ = match 42 { 42 => foo(), - 51 => foo(), //~^ match_same_arms + 51 => foo(), _ => true, }; let _ = match Some(42) { Some(_) => 24, - None => 24, //~^ match_same_arms + None => 24, }; let _ = match Some(42) { @@ -67,8 +67,8 @@ fn match_same_arms() { match (Some(42), Some(42)) { (Some(a), None) => bar(a), - (None, Some(a)) => bar(a), //~^ match_same_arms + (None, Some(a)) => bar(a), _ => (), } @@ -82,8 +82,8 @@ fn match_same_arms() { let _ = match (Some(42), Some(42)) { (Some(a), None) if a == 42 => a, - (None, Some(a)) if a == 42 => a, //~^ match_same_arms + (None, Some(a)) if a == 42 => a, _ => 0, }; @@ -140,8 +140,8 @@ fn match_same_arms() { match x { Ok(_tmp) => println!("ok"), Ok(3) => println!("ok"), - Ok(_) => println!("ok"), //~^ match_same_arms + Ok(_) => println!("ok"), Err(_) => { unreachable!(); }, @@ -168,10 +168,10 @@ fn match_same_arms() { 0 => { empty!(0); }, + //~^^^ match_same_arms 1 => { empty!(0); }, - //~^^^ match_same_arms x => { empty!(x); }, @@ -229,9 +229,9 @@ fn main() { // Suggest moving `Foo::X(0)` down. let _ = match Foo::X(0) { Foo::X(0) => 1, + //~^ match_same_arms Foo::Y(_) | Foo::Z(0) => 2, Foo::Z(_) => 1, - //~^ match_same_arms _ => 0, }; @@ -252,10 +252,10 @@ fn main() { // Lint. let _ = match None { Some(Bar { x: 0, y: 5, .. }) => 1, + //~^ match_same_arms Some(Bar { y: 10, z: 0, .. }) => 2, None => 50, Some(Bar { y: 0, x: 5, .. }) => 1, - //~^ match_same_arms _ => 200, }; @@ -269,8 +269,8 @@ fn main() { let _ = match 0 { 0 => cfg!(not_enable), - 1 => cfg!(not_enable), //~^ match_same_arms + 1 => cfg!(not_enable), _ => false, }; } @@ -286,9 +286,36 @@ mod with_lifetime { fn get(&self) -> &'a str { match *self { MaybeStaticStr::Static(s) => s, - MaybeStaticStr::Borrowed(s) => s, //~^ match_same_arms + MaybeStaticStr::Borrowed(s) => s, } } } } + +fn lint_levels() { + match 1 { + 0 => "a", + 1 => "b", + #[expect(clippy::match_same_arms)] + _ => "b", + }; + + match 2 { + 0 => "a", + 1 => "b", + //~^ match_same_arms + 2 => "b", + #[allow(clippy::match_same_arms)] + _ => "b", + }; + + match 3 { + 0 => "a", + 1 => "b", + //~^ match_same_arms + 2 => "b", + #[expect(clippy::match_same_arms)] + _ => "b", + }; +} diff --git a/src/tools/clippy/tests/ui/match_same_arms2.stderr b/src/tools/clippy/tests/ui/match_same_arms2.stderr index 21a8743cc32..f3031619cce 100644 --- a/src/tools/clippy/tests/ui/match_same_arms2.stderr +++ b/src/tools/clippy/tests/ui/match_same_arms2.stderr @@ -1,4 +1,4 @@ -error: this match arm has an identical body to the `_` wildcard arm +error: these match arms have identical bodies --> tests/ui/match_same_arms2.rs:17:9 | LL | / 42 => { @@ -6,14 +6,10 @@ LL | | foo(); LL | | let mut a = 42 + [23].len() as i32; LL | | if true { ... | +LL | | a LL | | }, -LL | | - | |________^ help: try removing the arm - | - = help: or try changing either arm body -note: `_` wildcard arm here - --> tests/ui/match_same_arms2.rs:27:9 - | + | |_________^ +LL | LL | / _ => { LL | | foo(); LL | | let mut a = 42 + [23].len() as i32; @@ -21,134 +17,169 @@ LL | | if true { ... | LL | | a LL | | }, - | |_________^ + | |_________^ the wildcard arm + | + = help: if this is unintentional make the arms return different values = note: `-D clippy::match-same-arms` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` +help: otherwise remove the non-wildcard arm + | +LL - 42 => { +LL - foo(); +LL - let mut a = 42 + [23].len() as i32; +LL - if true { +LL - a += 7; +LL - } +LL - a = -31 - a; +LL - a +LL - }, + | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:40:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:39:9 | +LL | 42 => foo(), + | ^^^^^^^^^^^ +LL | LL | 51 => foo(), | ^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - 42 => foo(), -LL - 51 => foo(), -LL + 51 | 42 => foo(), +LL ~ +LL ~ 42 | 51 => foo(), | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:47:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:46:9 | +LL | Some(_) => 24, + | ^^^^^^^^^^^^^ +LL | LL | None => 24, | ^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - Some(_) => 24, -LL - None => 24, -LL + None | Some(_) => 24, +LL ~ +LL ~ Some(_) | None => 24, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:70:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:69:9 | +LL | (Some(a), None) => bar(a), + | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | (None, Some(a)) => bar(a), | ^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - (Some(a), None) => bar(a), -LL - (None, Some(a)) => bar(a), -LL + (None, Some(a)) | (Some(a), None) => bar(a), +LL ~ +LL ~ (Some(a), None) | (None, Some(a)) => bar(a), | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:85:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:84:9 | +LL | (Some(a), None) if a == 42 => a, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | (None, Some(a)) if a == 42 => a, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - (Some(a), None) if a == 42 => a, -LL - (None, Some(a)) if a == 42 => a, -LL + (None, Some(a)) | (Some(a), None) if a == 42 => a, +LL ~ +LL ~ (Some(a), None) | (None, Some(a)) if a == 42 => a, | -error: this match arm has an identical body to another arm +error: these match arms have identical bodies --> tests/ui/match_same_arms2.rs:91:9 | LL | (Some(a), ..) => bar(a), | ^^^^^^^^^^^^^^^^^^^^^^^ +LL | +LL | (.., Some(a)) => bar(a), + | ^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | LL ~ (Some(a), ..) | (.., Some(a)) => bar(a), LL | LL ~ _ => (), | -error: this match arm has an identical body to another arm +error: these match arms have identical bodies --> tests/ui/match_same_arms2.rs:126:9 | LL | (Ok(x), Some(_)) => println!("ok {}", x), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | +LL | (Ok(_), Some(x)) => println!("ok {}", x), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | LL ~ (Ok(x), Some(_)) | (Ok(_), Some(x)) => println!("ok {}", x), LL | LL ~ _ => println!("err"), | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:143:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:142:9 | +LL | Ok(3) => println!("ok"), + | ^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | Ok(_) => println!("ok"), | ^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - Ok(3) => println!("ok"), -LL - Ok(_) => println!("ok"), -LL + Ok(_) | Ok(3) => println!("ok"), +LL ~ +LL ~ Ok(3) | Ok(_) => println!("ok"), | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:171:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:168:9 | +LL | / 0 => { +LL | | empty!(0); +LL | | }, + | |_________^ +LL | LL | / 1 => { LL | | empty!(0); LL | | }, | |_________^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - 0 => { -LL - empty!(0); -LL - }, -LL - 1 => { -LL + 1 | 0 => { +LL ~ +LL ~ 0 | 1 => { | -error: this match arm has an identical body to another arm +error: these match arms have identical bodies --> tests/ui/match_same_arms2.rs:222:9 | LL | Foo::X(0) => 1, | ^^^^^^^^^^^^^^ +... +LL | Foo::Z(_) => 1, + | ^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | LL ~ Foo::X(0) | Foo::Z(_) => 1, LL | @@ -156,60 +187,106 @@ LL | Foo::X(_) | Foo::Y(_) => 2, LL ~ _ => 0, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:233:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:231:9 | +LL | Foo::X(0) => 1, + | ^^^^^^^^^^^^^^ +... LL | Foo::Z(_) => 1, | ^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL ~ Foo::Y(_) | Foo::Z(0) => 2, -LL ~ Foo::Z(_) | Foo::X(0) => 1, +LL ~ +LL | Foo::Y(_) | Foo::Z(0) => 2, +LL ~ Foo::X(0) | Foo::Z(_) => 1, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:257:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:254:9 | +LL | Some(Bar { x: 0, y: 5, .. }) => 1, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... LL | Some(Bar { y: 0, x: 5, .. }) => 1, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL ~ Some(Bar { y: 10, z: 0, .. }) => 2, +LL ~ +LL | Some(Bar { y: 10, z: 0, .. }) => 2, LL | None => 50, -LL ~ Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. }) => 1, +LL ~ Some(Bar { x: 0, y: 5, .. }) | Some(Bar { y: 0, x: 5, .. }) => 1, | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:272:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:271:9 | +LL | 0 => cfg!(not_enable), + | ^^^^^^^^^^^^^^^^^^^^^ +LL | LL | 1 => cfg!(not_enable), | ^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | -LL - 0 => cfg!(not_enable), -LL - 1 => cfg!(not_enable), -LL + 1 | 0 => cfg!(not_enable), +LL ~ +LL ~ 0 | 1 => cfg!(not_enable), | -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:289:17 +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:288:17 | +LL | MaybeStaticStr::Static(s) => s, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | MaybeStaticStr::Borrowed(s) => s, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: try changing either arm body -help: or try merging the arm patterns and removing the obsolete arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm + | +LL ~ +LL ~ MaybeStaticStr::Static(s) | MaybeStaticStr::Borrowed(s) => s, | -LL - MaybeStaticStr::Static(s) => s, -LL - MaybeStaticStr::Borrowed(s) => s, -LL + MaybeStaticStr::Borrowed(s) | MaybeStaticStr::Static(s) => s, + +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:306:9 + | +LL | 1 => "b", + | ^^^^^^^^ +LL | +LL | 2 => "b", + | ^^^^^^^^ + | + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm + | +LL ~ 1 | 2 => "b", +LL | +LL ~ #[allow(clippy::match_same_arms)] + | + +error: these match arms have identical bodies + --> tests/ui/match_same_arms2.rs:315:9 + | +LL | 1 => "b", + | ^^^^^^^^ +LL | +LL | 2 => "b", + | ^^^^^^^^ + | + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm + | +LL ~ 1 | 2 => "b", +LL | +LL ~ #[expect(clippy::match_same_arms)] | -error: aborting due to 14 previous errors +error: aborting due to 16 previous errors diff --git a/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.fixed b/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.fixed index 0c9398933b8..61a5bd0323a 100644 --- a/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.fixed +++ b/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.fixed @@ -7,14 +7,22 @@ fn repeat() -> ! { panic!() } +#[deny(non_exhaustive_omitted_patterns)] pub fn f(x: Ordering) { - #[deny(non_exhaustive_omitted_patterns)] match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), - Ordering::AcqRel | Ordering::SeqCst => repeat(), - _ => repeat(), + //~^ match_same_arms + Ordering::AcqRel | Ordering::SeqCst | _ => repeat(), + } + + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + //~^ match_same_arms + Ordering::AcqRel | Ordering::SeqCst | _ => repeat(), } } @@ -28,21 +36,21 @@ mod f { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), - Ordering::AcqRel | Ordering::SeqCst => repeat(), - _ => repeat(), + //~^ match_same_arms + Ordering::AcqRel | Ordering::SeqCst | _ => repeat(), } } } -// Below should still lint +// Below can still suggest removing the other patterns pub fn g(x: Ordering) { match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), - //~^ match_same_arms _ => repeat(), + //~^ match_same_arms } } @@ -54,8 +62,8 @@ mod g { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), - //~^ match_same_arms _ => repeat(), + //~^ match_same_arms } } } diff --git a/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.rs b/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.rs index 304a9e5c28e..66f65eb39d0 100644 --- a/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.rs +++ b/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.rs @@ -7,15 +7,25 @@ fn repeat() -> ! { panic!() } +#[deny(non_exhaustive_omitted_patterns)] pub fn f(x: Ordering) { - #[deny(non_exhaustive_omitted_patterns)] match x { Ordering::Relaxed => println!("relaxed"), Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), + //~^ match_same_arms _ => repeat(), } + + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + Ordering::AcqRel => repeat(), + //~^ match_same_arms + Ordering::SeqCst | _ => repeat(), + } } mod f { @@ -29,12 +39,13 @@ mod f { Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), + //~^ match_same_arms _ => repeat(), } } } -// Below should still lint +// Below can still suggest removing the other patterns pub fn g(x: Ordering) { match x { @@ -42,8 +53,8 @@ pub fn g(x: Ordering) { Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), - //~^ match_same_arms _ => repeat(), + //~^ match_same_arms } } @@ -56,8 +67,8 @@ mod g { Ordering::Release => println!("release"), Ordering::Acquire => println!("acquire"), Ordering::AcqRel | Ordering::SeqCst => repeat(), - //~^ match_same_arms _ => repeat(), + //~^ match_same_arms } } } diff --git a/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.stderr b/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.stderr index aa7f8c95dce..03252f346c6 100644 --- a/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.stderr +++ b/src/tools/clippy/tests/ui/match_same_arms_non_exhaustive.stderr @@ -1,32 +1,80 @@ -error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms_non_exhaustive.rs:44:9 - | -LL | / Ordering::AcqRel | Ordering::SeqCst => repeat(), -LL | | - | |________^ help: try removing the arm - | - = help: or try changing either arm body -note: `_` wildcard arm here - --> tests/ui/match_same_arms_non_exhaustive.rs:46:9 +error: these match arms have identical bodies + --> tests/ui/match_same_arms_non_exhaustive.rs:16:9 | +LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | _ => repeat(), | ^^^^^^^^^^^^^ + | + = help: if this is unintentional make the arms return different values = note: `-D clippy::match-same-arms` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` +help: otherwise merge the patterns into a single arm + | +LL ~ +LL ~ Ordering::AcqRel | Ordering::SeqCst | _ => repeat(), + | -error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms_non_exhaustive.rs:58:13 +error: these match arms have identical bodies + --> tests/ui/match_same_arms_non_exhaustive.rs:25:9 + | +LL | Ordering::AcqRel => repeat(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | +LL | Ordering::SeqCst | _ => repeat(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -LL | / Ordering::AcqRel | Ordering::SeqCst => repeat(), -LL | | - | |____________^ help: try removing the arm + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm | - = help: or try changing either arm body -note: `_` wildcard arm here - --> tests/ui/match_same_arms_non_exhaustive.rs:60:13 +LL ~ +LL ~ Ordering::AcqRel | Ordering::SeqCst | _ => repeat(), | + +error: these match arms have identical bodies + --> tests/ui/match_same_arms_non_exhaustive.rs:41:13 + | +LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | LL | _ => repeat(), | ^^^^^^^^^^^^^ + | + = help: if this is unintentional make the arms return different values +help: otherwise merge the patterns into a single arm + | +LL ~ +LL ~ Ordering::AcqRel | Ordering::SeqCst | _ => repeat(), + | + +error: these match arms have identical bodies + --> tests/ui/match_same_arms_non_exhaustive.rs:55:9 + | +LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | _ => repeat(), + | ^^^^^^^^^^^^^ the wildcard arm + | + = help: if this is unintentional make the arms return different values +help: otherwise remove the non-wildcard arm + | +LL - Ordering::AcqRel | Ordering::SeqCst => repeat(), + | + +error: these match arms have identical bodies + --> tests/ui/match_same_arms_non_exhaustive.rs:69:13 + | +LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | _ => repeat(), + | ^^^^^^^^^^^^^ the wildcard arm + | + = help: if this is unintentional make the arms return different values +help: otherwise remove the non-wildcard arm + | +LL - Ordering::AcqRel | Ordering::SeqCst => repeat(), + | -error: aborting due to 2 previous errors +error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/misrefactored_assign_op.1.fixed b/src/tools/clippy/tests/ui/misrefactored_assign_op.1.fixed new file mode 100644 index 00000000000..882ff6bf894 --- /dev/null +++ b/src/tools/clippy/tests/ui/misrefactored_assign_op.1.fixed @@ -0,0 +1,40 @@ +#![allow(clippy::eq_op)] +#![warn(clippy::misrefactored_assign_op, clippy::assign_op_pattern)] + +fn main() { + let mut a = 5; + a += 1; + //~^ misrefactored_assign_op + + a += 1; + //~^ misrefactored_assign_op + + a -= 1; + //~^ misrefactored_assign_op + + a *= 99; + //~^ misrefactored_assign_op + + a *= 42; + //~^ misrefactored_assign_op + + a /= 2; + //~^ misrefactored_assign_op + + a %= 5; + //~^ misrefactored_assign_op + + a &= 1; + //~^ misrefactored_assign_op + + a *= a; + //~^ misrefactored_assign_op + + a = a * a * a; + a = a * 42 * a; + a = a * 2 + a; + a -= 1 - a; + a /= 5 / a; + a %= 42 % a; + a <<= 6 << a; +} diff --git a/src/tools/clippy/tests/ui/misrefactored_assign_op.2.fixed b/src/tools/clippy/tests/ui/misrefactored_assign_op.2.fixed new file mode 100644 index 00000000000..de3a0f1710d --- /dev/null +++ b/src/tools/clippy/tests/ui/misrefactored_assign_op.2.fixed @@ -0,0 +1,40 @@ +#![allow(clippy::eq_op)] +#![warn(clippy::misrefactored_assign_op, clippy::assign_op_pattern)] + +fn main() { + let mut a = 5; + a = a + a + 1; + //~^ misrefactored_assign_op + + a = a + 1 + a; + //~^ misrefactored_assign_op + + a = a - (a - 1); + //~^ misrefactored_assign_op + + a = a * a * 99; + //~^ misrefactored_assign_op + + a = a * 42 * a; + //~^ misrefactored_assign_op + + a = a / (a / 2); + //~^ misrefactored_assign_op + + a = a % (a % 5); + //~^ misrefactored_assign_op + + a = a & a & 1; + //~^ misrefactored_assign_op + + a = a * a * a; + //~^ misrefactored_assign_op + + a = a * a * a; + a = a * 42 * a; + a = a * 2 + a; + a -= 1 - a; + a /= 5 / a; + a %= 42 % a; + a <<= 6 << a; +} diff --git a/src/tools/clippy/tests/ui/misrefactored_assign_op.rs b/src/tools/clippy/tests/ui/misrefactored_assign_op.rs new file mode 100644 index 00000000000..62d83d1619c --- /dev/null +++ b/src/tools/clippy/tests/ui/misrefactored_assign_op.rs @@ -0,0 +1,40 @@ +#![allow(clippy::eq_op)] +#![warn(clippy::misrefactored_assign_op, clippy::assign_op_pattern)] + +fn main() { + let mut a = 5; + a += a + 1; + //~^ misrefactored_assign_op + + a += 1 + a; + //~^ misrefactored_assign_op + + a -= a - 1; + //~^ misrefactored_assign_op + + a *= a * 99; + //~^ misrefactored_assign_op + + a *= 42 * a; + //~^ misrefactored_assign_op + + a /= a / 2; + //~^ misrefactored_assign_op + + a %= a % 5; + //~^ misrefactored_assign_op + + a &= a & 1; + //~^ misrefactored_assign_op + + a *= a * a; + //~^ misrefactored_assign_op + + a = a * a * a; + a = a * 42 * a; + a = a * 2 + a; + a -= 1 - a; + a /= 5 / a; + a %= 42 % a; + a <<= 6 << a; +} diff --git a/src/tools/clippy/tests/ui/assign_ops2.stderr b/src/tools/clippy/tests/ui/misrefactored_assign_op.stderr index d9ecd3f8b23..63f3a3e28f1 100644 --- a/src/tools/clippy/tests/ui/assign_ops2.stderr +++ b/src/tools/clippy/tests/ui/misrefactored_assign_op.stderr @@ -1,5 +1,5 @@ error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:8:5 + --> tests/ui/misrefactored_assign_op.rs:6:5 | LL | a += a + 1; | ^^^^^^^^^^ @@ -18,7 +18,7 @@ LL + a = a + a + 1; | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:11:5 + --> tests/ui/misrefactored_assign_op.rs:9:5 | LL | a += 1 + a; | ^^^^^^^^^^ @@ -35,7 +35,7 @@ LL + a = a + 1 + a; | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:14:5 + --> tests/ui/misrefactored_assign_op.rs:12:5 | LL | a -= a - 1; | ^^^^^^^^^^ @@ -52,7 +52,7 @@ LL + a = a - (a - 1); | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:17:5 + --> tests/ui/misrefactored_assign_op.rs:15:5 | LL | a *= a * 99; | ^^^^^^^^^^^ @@ -69,7 +69,7 @@ LL + a = a * a * 99; | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:20:5 + --> tests/ui/misrefactored_assign_op.rs:18:5 | LL | a *= 42 * a; | ^^^^^^^^^^^ @@ -86,7 +86,7 @@ LL + a = a * 42 * a; | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:23:5 + --> tests/ui/misrefactored_assign_op.rs:21:5 | LL | a /= a / 2; | ^^^^^^^^^^ @@ -103,7 +103,7 @@ LL + a = a / (a / 2); | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:26:5 + --> tests/ui/misrefactored_assign_op.rs:24:5 | LL | a %= a % 5; | ^^^^^^^^^^ @@ -120,7 +120,7 @@ LL + a = a % (a % 5); | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:29:5 + --> tests/ui/misrefactored_assign_op.rs:27:5 | LL | a &= a & 1; | ^^^^^^^^^^ @@ -137,7 +137,7 @@ LL + a = a & a & 1; | error: variable appears on both sides of an assignment operation - --> tests/ui/assign_ops2.rs:32:5 + --> tests/ui/misrefactored_assign_op.rs:30:5 | LL | a *= a * a; | ^^^^^^^^^^ @@ -153,14 +153,5 @@ LL - a *= a * a; LL + a = a * a * a; | -error: manual implementation of an assign operation - --> tests/ui/assign_ops2.rs:71:5 - | -LL | buf = buf + cows.clone(); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `buf += cows.clone()` - | - = note: `-D clippy::assign-op-pattern` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::assign_op_pattern)]` - -error: aborting due to 10 previous errors +error: aborting due to 9 previous errors diff --git a/src/tools/clippy/tests/ui/needless_borrow.fixed b/src/tools/clippy/tests/ui/needless_borrow.fixed index d7d344452c5..54cad2e393f 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.fixed +++ b/src/tools/clippy/tests/ui/needless_borrow.fixed @@ -107,9 +107,6 @@ fn main() { let x = (1, 2); let _ = x.0; //~^ needless_borrow - let x = &x as *const (i32, i32); - let _ = unsafe { (*x).0 }; - //~^ needless_borrow // Issue #8367 trait Foo { @@ -289,3 +286,15 @@ fn issue_12268() { // compiler } + +fn issue_14743<T>(slice: &[T]) { + let _ = slice.len(); + //~^ needless_borrow + + let slice = slice as *const [T]; + let _ = unsafe { (&*slice).len() }; + + // Check that rustc would actually warn if Clippy had suggested removing the reference + #[expect(dangerous_implicit_autorefs)] + let _ = unsafe { (*slice).len() }; +} diff --git a/src/tools/clippy/tests/ui/needless_borrow.rs b/src/tools/clippy/tests/ui/needless_borrow.rs index 1f05b90b472..b698c6bfc96 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.rs +++ b/src/tools/clippy/tests/ui/needless_borrow.rs @@ -107,9 +107,6 @@ fn main() { let x = (1, 2); let _ = (&x).0; //~^ needless_borrow - let x = &x as *const (i32, i32); - let _ = unsafe { (&*x).0 }; - //~^ needless_borrow // Issue #8367 trait Foo { @@ -289,3 +286,15 @@ fn issue_12268() { // compiler } + +fn issue_14743<T>(slice: &[T]) { + let _ = (&slice).len(); + //~^ needless_borrow + + let slice = slice as *const [T]; + let _ = unsafe { (&*slice).len() }; + + // Check that rustc would actually warn if Clippy had suggested removing the reference + #[expect(dangerous_implicit_autorefs)] + let _ = unsafe { (*slice).len() }; +} diff --git a/src/tools/clippy/tests/ui/needless_borrow.stderr b/src/tools/clippy/tests/ui/needless_borrow.stderr index b036b1e47d1..172d36bd73a 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.stderr +++ b/src/tools/clippy/tests/ui/needless_borrow.stderr @@ -103,71 +103,71 @@ error: this expression borrows a value the compiler would automatically borrow LL | let _ = (&x).0; | ^^^^ help: change this to: `x` -error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:111:22 - | -LL | let _ = unsafe { (&*x).0 }; - | ^^^^^ help: change this to: `(*x)` - error: this expression creates a reference which is immediately dereferenced by the compiler - --> tests/ui/needless_borrow.rs:122:5 + --> tests/ui/needless_borrow.rs:119:5 | LL | (&&()).foo(); | ^^^^^^ help: change this to: `(&())` error: this expression creates a reference which is immediately dereferenced by the compiler - --> tests/ui/needless_borrow.rs:132:5 + --> tests/ui/needless_borrow.rs:129:5 | LL | (&&5).foo(); | ^^^^^ help: change this to: `(&5)` error: this expression creates a reference which is immediately dereferenced by the compiler - --> tests/ui/needless_borrow.rs:159:23 + --> tests/ui/needless_borrow.rs:156:23 | LL | let x: (&str,) = (&"",); | ^^^ help: change this to: `""` error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:202:13 + --> tests/ui/needless_borrow.rs:199:13 | LL | (&self.f)() | ^^^^^^^^^ help: change this to: `(self.f)` error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:212:13 + --> tests/ui/needless_borrow.rs:209:13 | LL | (&mut self.f)() | ^^^^^^^^^^^^^ help: change this to: `(self.f)` error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:250:22 + --> tests/ui/needless_borrow.rs:247:22 | LL | let _ = &mut (&mut { x.u }).x; | ^^^^^^^^^^^^^^ help: change this to: `{ x.u }` error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:258:22 + --> tests/ui/needless_borrow.rs:255:22 | LL | let _ = &mut (&mut { x.u }).x; | ^^^^^^^^^^^^^^ help: change this to: `{ x.u }` error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:263:22 + --> tests/ui/needless_borrow.rs:260:22 | LL | let _ = &mut (&mut x.u).x; | ^^^^^^^^^^ help: change this to: `x.u` error: this expression borrows a value the compiler would automatically borrow - --> tests/ui/needless_borrow.rs:265:22 + --> tests/ui/needless_borrow.rs:262:22 | LL | let _ = &mut (&mut { x.u }).x; | ^^^^^^^^^^^^^^ help: change this to: `{ x.u }` error: this expression creates a reference which is immediately dereferenced by the compiler - --> tests/ui/needless_borrow.rs:287:23 + --> tests/ui/needless_borrow.rs:284:23 | LL | option.unwrap_or((&x.0,)); | ^^^^ help: change this to: `x.0` +error: this expression creates a reference which is immediately dereferenced by the compiler + --> tests/ui/needless_borrow.rs:291:13 + | +LL | let _ = (&slice).len(); + | ^^^^^^^^ help: change this to: `slice` + error: aborting due to 28 previous errors diff --git a/src/tools/clippy/tests/ui/needless_for_each_fixable.fixed b/src/tools/clippy/tests/ui/needless_for_each_fixable.fixed index fa23e18318f..a73aff55639 100644 --- a/src/tools/clippy/tests/ui/needless_for_each_fixable.fixed +++ b/src/tools/clippy/tests/ui/needless_for_each_fixable.fixed @@ -128,3 +128,18 @@ fn should_not_lint() { } fn main() {} + +mod issue14734 { + fn let_desugar(rows: &[u8]) { + let mut v = vec![]; + for x in rows.iter() { _ = v.push(x) } + //~^ needless_for_each + } + + fn do_something(_: &u8, _: u8) {} + + fn single_expr(rows: &[u8]) { + for x in rows.iter() { do_something(x, 1u8); } + //~^ needless_for_each + } +} diff --git a/src/tools/clippy/tests/ui/needless_for_each_fixable.rs b/src/tools/clippy/tests/ui/needless_for_each_fixable.rs index 2c7e68a6f51..d92f055d3f4 100644 --- a/src/tools/clippy/tests/ui/needless_for_each_fixable.rs +++ b/src/tools/clippy/tests/ui/needless_for_each_fixable.rs @@ -128,3 +128,18 @@ fn should_not_lint() { } fn main() {} + +mod issue14734 { + fn let_desugar(rows: &[u8]) { + let mut v = vec![]; + rows.iter().for_each(|x| _ = v.push(x)); + //~^ needless_for_each + } + + fn do_something(_: &u8, _: u8) {} + + fn single_expr(rows: &[u8]) { + rows.iter().for_each(|x| do_something(x, 1u8)); + //~^ needless_for_each + } +} diff --git a/src/tools/clippy/tests/ui/needless_for_each_fixable.stderr b/src/tools/clippy/tests/ui/needless_for_each_fixable.stderr index 013a3fa3e36..f8014456097 100644 --- a/src/tools/clippy/tests/ui/needless_for_each_fixable.stderr +++ b/src/tools/clippy/tests/ui/needless_for_each_fixable.stderr @@ -136,5 +136,17 @@ LL + acc += elem; LL + } | -error: aborting due to 8 previous errors +error: needless use of `for_each` + --> tests/ui/needless_for_each_fixable.rs:135:9 + | +LL | rows.iter().for_each(|x| _ = v.push(x)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in rows.iter() { _ = v.push(x) }` + +error: needless use of `for_each` + --> tests/ui/needless_for_each_fixable.rs:142:9 + | +LL | rows.iter().for_each(|x| do_something(x, 1u8)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in rows.iter() { do_something(x, 1u8); }` + +error: aborting due to 10 previous errors diff --git a/src/tools/clippy/tests/ui/needless_match.fixed b/src/tools/clippy/tests/ui/needless_match.fixed index b2c2bbfaa36..41acf44023f 100644 --- a/src/tools/clippy/tests/ui/needless_match.fixed +++ b/src/tools/clippy/tests/ui/needless_match.fixed @@ -301,4 +301,16 @@ pub fn issue13574() -> Option<()> { None } +fn issue14754(t: Result<i32, &'static str>) -> Result<i32, &'static str> { + let _ = match t { + Ok(v) => Ok::<_, &'static str>(v), + err @ Err(_) => return err, + }; + println!("Still here"); + let x = t; + //~^^^^ needless_match + println!("Still here"); + x +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/needless_match.rs b/src/tools/clippy/tests/ui/needless_match.rs index 1cb670edc60..936653b961b 100644 --- a/src/tools/clippy/tests/ui/needless_match.rs +++ b/src/tools/clippy/tests/ui/needless_match.rs @@ -364,4 +364,19 @@ pub fn issue13574() -> Option<()> { None } +fn issue14754(t: Result<i32, &'static str>) -> Result<i32, &'static str> { + let _ = match t { + Ok(v) => Ok::<_, &'static str>(v), + err @ Err(_) => return err, + }; + println!("Still here"); + let x = match t { + Ok(v) => Ok::<_, &'static str>(v), + err @ Err(_) => err, + }; + //~^^^^ needless_match + println!("Still here"); + x +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/needless_match.stderr b/src/tools/clippy/tests/ui/needless_match.stderr index 719b0ef8846..5195ecdfa55 100644 --- a/src/tools/clippy/tests/ui/needless_match.stderr +++ b/src/tools/clippy/tests/ui/needless_match.stderr @@ -151,5 +151,15 @@ LL | | None LL | | } | |_________^ help: replace it with: `A` -error: aborting due to 14 previous errors +error: this match expression is unnecessary + --> tests/ui/needless_match.rs:373:13 + | +LL | let x = match t { + | _____________^ +LL | | Ok(v) => Ok::<_, &'static str>(v), +LL | | err @ Err(_) => err, +LL | | }; + | |_____^ help: replace it with: `t` + +error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui/needless_return.fixed b/src/tools/clippy/tests/ui/needless_return.fixed index ad625ad6d50..d571b97f519 100644 --- a/src/tools/clippy/tests/ui/needless_return.fixed +++ b/src/tools/clippy/tests/ui/needless_return.fixed @@ -84,14 +84,14 @@ fn test_macro_call() -> i32 { } fn test_void_fun() { - //~^^ needless_return + //~^ needless_return } fn test_void_if_fun(b: bool) { if b { - //~^^ needless_return + //~^ needless_return } else { - //~^^ needless_return + //~^ needless_return } } @@ -108,7 +108,7 @@ fn test_nested_match(x: u32) { 0 => (), 1 => { let _ = 42; - //~^^ needless_return + //~^ needless_return }, _ => (), //~^ needless_return @@ -156,7 +156,7 @@ mod issue6501 { fn test_closure() { let _ = || { - //~^^ needless_return + //~^ needless_return }; let _ = || {}; //~^ needless_return @@ -220,14 +220,14 @@ async fn async_test_macro_call() -> i32 { } async fn async_test_void_fun() { - //~^^ needless_return + //~^ needless_return } async fn async_test_void_if_fun(b: bool) { if b { - //~^^ needless_return + //~^ needless_return } else { - //~^^ needless_return + //~^ needless_return } } @@ -354,7 +354,7 @@ fn issue9503(x: usize) -> isize { mod issue9416 { pub fn with_newline() { let _ = 42; - //~^^ needless_return + //~^ needless_return } #[rustfmt::skip] @@ -452,3 +452,68 @@ pub unsafe fn issue_12157() -> *const i32 { (unsafe { todo() } as *const i32) //~^ needless_return } + +mod else_ifs { + fn test1(a: i32) -> u32 { + if a == 0 { + 1 + //~^ needless_return + } else if a < 10 { + 2 + //~^ needless_return + } else { + 3 + //~^ needless_return + } + } + + fn test2(a: i32) -> u32 { + if a == 0 { + 1 + //~^ needless_return + } else if a < 10 { + 2 + } else { + 3 + //~^ needless_return + } + } + + fn test3(a: i32) -> u32 { + if a == 0 { + 1 + //~^ needless_return + } else if a < 10 { + 2 + } else { + 3 + //~^ needless_return + } + } + + #[allow(clippy::match_single_binding, clippy::redundant_pattern)] + fn test4(a: i32) -> u32 { + if a == 0 { + 1 + //~^ needless_return + } else if if if a > 0x1_1 { + return 2; + } else { + return 5; + } { + true + } else { + true + } { + 0xDEADC0DE + } else if match a { + b @ _ => { + return 1; + }, + } { + 0xDEADBEEF + } else { + 1 + } + } +} diff --git a/src/tools/clippy/tests/ui/needless_return.rs b/src/tools/clippy/tests/ui/needless_return.rs index 41d7e5bdd50..2e4348ea338 100644 --- a/src/tools/clippy/tests/ui/needless_return.rs +++ b/src/tools/clippy/tests/ui/needless_return.rs @@ -85,16 +85,16 @@ fn test_macro_call() -> i32 { fn test_void_fun() { return; - //~^^ needless_return + //~^ needless_return } fn test_void_if_fun(b: bool) { if b { return; - //~^^ needless_return + //~^ needless_return } else { return; - //~^^ needless_return + //~^ needless_return } } @@ -112,7 +112,7 @@ fn test_nested_match(x: u32) { 1 => { let _ = 42; return; - //~^^ needless_return + //~^ needless_return }, _ => return, //~^ needless_return @@ -161,7 +161,7 @@ mod issue6501 { fn test_closure() { let _ = || { return; - //~^^ needless_return + //~^ needless_return }; let _ = || return; //~^ needless_return @@ -226,16 +226,16 @@ async fn async_test_macro_call() -> i32 { async fn async_test_void_fun() { return; - //~^^ needless_return + //~^ needless_return } async fn async_test_void_if_fun(b: bool) { if b { return; - //~^^ needless_return + //~^ needless_return } else { return; - //~^^ needless_return + //~^ needless_return } } @@ -363,7 +363,7 @@ mod issue9416 { pub fn with_newline() { let _ = 42; return; - //~^^ needless_return + //~^ needless_return } #[rustfmt::skip] @@ -461,3 +461,68 @@ pub unsafe fn issue_12157() -> *const i32 { return unsafe { todo() } as *const i32; //~^ needless_return } + +mod else_ifs { + fn test1(a: i32) -> u32 { + if a == 0 { + return 1; + //~^ needless_return + } else if a < 10 { + return 2; + //~^ needless_return + } else { + return 3; + //~^ needless_return + } + } + + fn test2(a: i32) -> u32 { + if a == 0 { + return 1; + //~^ needless_return + } else if a < 10 { + 2 + } else { + return 3; + //~^ needless_return + } + } + + fn test3(a: i32) -> u32 { + if a == 0 { + return 1; + //~^ needless_return + } else if a < 10 { + 2 + } else { + return 3; + //~^ needless_return + } + } + + #[allow(clippy::match_single_binding, clippy::redundant_pattern)] + fn test4(a: i32) -> u32 { + if a == 0 { + return 1; + //~^ needless_return + } else if if if a > 0x1_1 { + return 2; + } else { + return 5; + } { + true + } else { + true + } { + 0xDEADC0DE + } else if match a { + b @ _ => { + return 1; + }, + } { + 0xDEADBEEF + } else { + 1 + } + } +} diff --git a/src/tools/clippy/tests/ui/needless_return.stderr b/src/tools/clippy/tests/ui/needless_return.stderr index 80863b9b62b..206bd8ee5af 100644 --- a/src/tools/clippy/tests/ui/needless_return.stderr +++ b/src/tools/clippy/tests/ui/needless_return.stderr @@ -133,12 +133,10 @@ LL + the_answer!() | error: unneeded `return` statement - --> tests/ui/needless_return.rs:86:21 + --> tests/ui/needless_return.rs:87:5 | -LL | fn test_void_fun() { - | _____________________^ -LL | | return; - | |__________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -148,12 +146,10 @@ LL + fn test_void_fun() { | error: unneeded `return` statement - --> tests/ui/needless_return.rs:92:11 + --> tests/ui/needless_return.rs:93:9 | -LL | if b { - | ___________^ -LL | | return; - | |______________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -163,12 +159,10 @@ LL + if b { | error: unneeded `return` statement - --> tests/ui/needless_return.rs:95:13 + --> tests/ui/needless_return.rs:96:9 | -LL | } else { - | _____________^ -LL | | return; - | |______________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -190,12 +184,10 @@ LL + _ => (), | error: unneeded `return` statement - --> tests/ui/needless_return.rs:113:24 + --> tests/ui/needless_return.rs:114:13 | -LL | let _ = 42; - | ________________________^ -LL | | return; - | |__________________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -253,12 +245,10 @@ LL + bar.unwrap_or_else(|_| {}) | error: unneeded `return` statement - --> tests/ui/needless_return.rs:162:21 + --> tests/ui/needless_return.rs:163:13 | -LL | let _ = || { - | _____________________^ -LL | | return; - | |__________________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -400,12 +390,10 @@ LL + the_answer!() | error: unneeded `return` statement - --> tests/ui/needless_return.rs:227:33 + --> tests/ui/needless_return.rs:228:5 | -LL | async fn async_test_void_fun() { - | _________________________________^ -LL | | return; - | |__________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -415,12 +403,10 @@ LL + async fn async_test_void_fun() { | error: unneeded `return` statement - --> tests/ui/needless_return.rs:233:11 + --> tests/ui/needless_return.rs:234:9 | -LL | if b { - | ___________^ -LL | | return; - | |______________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -430,12 +416,10 @@ LL + if b { | error: unneeded `return` statement - --> tests/ui/needless_return.rs:236:13 + --> tests/ui/needless_return.rs:237:9 | -LL | } else { - | _____________^ -LL | | return; - | |______________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -593,12 +577,10 @@ LL ~ } | error: unneeded `return` statement - --> tests/ui/needless_return.rs:364:20 + --> tests/ui/needless_return.rs:365:9 | -LL | let _ = 42; - | ____________________^ -LL | | return; - | |______________^ +LL | return; + | ^^^^^^ | help: remove `return` | @@ -608,10 +590,10 @@ LL + let _ = 42; | error: unneeded `return` statement - --> tests/ui/needless_return.rs:371:20 + --> tests/ui/needless_return.rs:371:21 | LL | let _ = 42; return; - | ^^^^^^^ + | ^^^^^^ | help: remove `return` | @@ -703,5 +685,101 @@ LL - return unsafe { todo() } as *const i32; LL + (unsafe { todo() } as *const i32) | -error: aborting due to 55 previous errors +error: unneeded `return` statement + --> tests/ui/needless_return.rs:468:13 + | +LL | return 1; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 1; +LL + 1 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:471:13 + | +LL | return 2; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 2; +LL + 2 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:474:13 + | +LL | return 3; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 3; +LL + 3 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:481:13 + | +LL | return 1; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 1; +LL + 1 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:486:13 + | +LL | return 3; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 3; +LL + 3 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:493:13 + | +LL | return 1; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 1; +LL + 1 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:498:13 + | +LL | return 3; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 3; +LL + 3 + | + +error: unneeded `return` statement + --> tests/ui/needless_return.rs:506:13 + | +LL | return 1; + | ^^^^^^^^ + | +help: remove `return` + | +LL - return 1; +LL + 1 + | + +error: aborting due to 63 previous errors diff --git a/src/tools/clippy/tests/ui/no_effect.rs b/src/tools/clippy/tests/ui/no_effect.rs index 703c2a3d984..4ab5bc9acde 100644 --- a/src/tools/clippy/tests/ui/no_effect.rs +++ b/src/tools/clippy/tests/ui/no_effect.rs @@ -221,3 +221,56 @@ fn main() { Cout << 142; -Cout; } + +fn issue14592() { + struct MyStruct { + _inner: MyInner, + } + struct MyInner {} + + impl Drop for MyInner { + fn drop(&mut self) { + println!("dropping"); + } + } + + let x = MyStruct { _inner: MyInner {} }; + + let closure = || { + // Do not lint: dropping the assignment or assigning to `_` would + // change the output. + let _x = x; + }; + + println!("1"); + closure(); + println!("2"); + + struct Innocuous { + a: i32, + } + + // Do not lint: one of the fields has a side effect. + let x = MyInner {}; + let closure = || { + let _x = Innocuous { + a: { + x; + 10 + }, + }; + }; + + // Do not lint: the base has a side effect. + let x = MyInner {}; + let closure = || { + let _x = Innocuous { + ..Innocuous { + a: { + x; + 10 + }, + } + }; + }; +} diff --git a/src/tools/clippy/tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.fixed b/src/tools/clippy/tests/ui/non_expressive_names_error_recovery.fixed index c96a53ba2cd..c96a53ba2cd 100644 --- a/src/tools/clippy/tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.fixed +++ b/src/tools/clippy/tests/ui/non_expressive_names_error_recovery.fixed diff --git a/src/tools/clippy/tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.rs b/src/tools/clippy/tests/ui/non_expressive_names_error_recovery.rs index a3a35eb26d1..a3a35eb26d1 100644 --- a/src/tools/clippy/tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.rs +++ b/src/tools/clippy/tests/ui/non_expressive_names_error_recovery.rs diff --git a/src/tools/clippy/tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.stderr b/src/tools/clippy/tests/ui/non_expressive_names_error_recovery.stderr index e334ca5241e..28d9a42a9a1 100644 --- a/src/tools/clippy/tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.stderr +++ b/src/tools/clippy/tests/ui/non_expressive_names_error_recovery.stderr @@ -1,5 +1,5 @@ error: expected one of `!`, `(`, `+`, `,`, `::`, `<`, or `>`, found `)` - --> tests/ui/syntax-error-recovery/non_expressive_names_error_recovery.rs:6:19 + --> tests/ui/non_expressive_names_error_recovery.rs:6:19 | LL | fn aa(a: Aa<String) { | ^ expected one of 7 possible tokens diff --git a/src/tools/clippy/tests/ui/question_mark.fixed b/src/tools/clippy/tests/ui/question_mark.fixed index 507bc2b29d8..60dc1c101b6 100644 --- a/src/tools/clippy/tests/ui/question_mark.fixed +++ b/src/tools/clippy/tests/ui/question_mark.fixed @@ -443,3 +443,13 @@ fn issue_14615(a: MutexGuard<Option<u32>>) -> Option<String> { //~^^^ question_mark Some(format!("{a}")) } + +fn const_in_pattern(x: Option<(i32, i32)>) -> Option<()> { + const N: i32 = 0; + + let Some((x, N)) = x else { + return None; + }; + + None +} diff --git a/src/tools/clippy/tests/ui/question_mark.rs b/src/tools/clippy/tests/ui/question_mark.rs index 64b51b849ed..99d0122a98f 100644 --- a/src/tools/clippy/tests/ui/question_mark.rs +++ b/src/tools/clippy/tests/ui/question_mark.rs @@ -539,3 +539,13 @@ fn issue_14615(a: MutexGuard<Option<u32>>) -> Option<String> { //~^^^ question_mark Some(format!("{a}")) } + +fn const_in_pattern(x: Option<(i32, i32)>) -> Option<()> { + const N: i32 = 0; + + let Some((x, N)) = x else { + return None; + }; + + None +} diff --git a/src/tools/clippy/tests/ui/rename.fixed b/src/tools/clippy/tests/ui/rename.fixed index 55e287b9159..ff81c642602 100644 --- a/src/tools/clippy/tests/ui/rename.fixed +++ b/src/tools/clippy/tests/ui/rename.fixed @@ -7,85 +7,107 @@ #![allow(clippy::disallowed_names)] #![allow(clippy::blocks_in_conditions)] #![allow(clippy::box_collection)] +#![allow(invalid_reference_casting)] +#![allow(suspicious_double_ref_op)] +#![allow(invalid_nan_comparisons)] #![allow(clippy::redundant_static_lifetimes)] #![allow(clippy::cognitive_complexity)] #![allow(clippy::derived_hash_with_manual_eq)] #![allow(clippy::disallowed_methods)] #![allow(clippy::disallowed_types)] +#![allow(double_negations)] +#![allow(drop_bounds)] +#![allow(dropping_copy_types)] +#![allow(dropping_references)] #![allow(clippy::mixed_read_write_in_expression)] -#![allow(clippy::manual_find_map)] #![allow(clippy::manual_filter_map)] +#![allow(clippy::manual_find_map)] #![allow(unpredictable_function_pointer_comparisons)] +#![allow(useless_ptr_null_checks)] +#![allow(for_loops_over_fallibles)] +#![allow(forgetting_copy_types)] +#![allow(forgetting_references)] #![allow(clippy::useless_conversion)] #![allow(clippy::redundant_pattern_matching)] #![allow(clippy::match_result_ok)] #![allow(clippy::non_canonical_clone_impl)] #![allow(clippy::non_canonical_partial_ord_impl)] #![allow(clippy::arithmetic_side_effects)] +#![allow(array_into_iter)] +#![allow(invalid_atomic_ordering)] +#![allow(invalid_null_arguments)] +#![allow(invalid_value)] +#![allow(invalid_from_utf8_unchecked)] +#![allow(let_underscore_drop)] #![allow(clippy::overly_complex_bool_expr)] +#![allow(unexpected_cfgs)] +#![allow(enum_intrinsics_non_enums)] #![allow(clippy::new_without_default)] #![allow(clippy::bind_instead_of_map)] #![allow(clippy::expect_used)] #![allow(clippy::map_unwrap_or)] #![allow(clippy::unwrap_used)] #![allow(clippy::panicking_overflow_checks)] +#![allow(non_fmt_panics)] +#![allow(named_arguments_used_positionally)] #![allow(clippy::needless_borrow)] +#![allow(clippy::reversed_empty_ranges)] #![allow(clippy::single_char_add_str)] #![allow(clippy::module_name_repetitions)] +#![allow(dangling_pointers_from_temporaries)] #![allow(clippy::missing_const_for_thread_local)] #![allow(clippy::recursive_format_impl)] -#![allow(clippy::unwrap_or_default)] -#![allow(clippy::invisible_characters)] -#![allow(invalid_reference_casting)] -#![allow(suspicious_double_ref_op)] -#![allow(invalid_nan_comparisons)] -#![allow(invalid_null_arguments)] -#![allow(double_negations)] -#![allow(drop_bounds)] -#![allow(dropping_copy_types)] -#![allow(dropping_references)] -#![allow(useless_ptr_null_checks)] -#![allow(for_loops_over_fallibles)] -#![allow(forgetting_copy_types)] -#![allow(forgetting_references)] -#![allow(array_into_iter)] -#![allow(invalid_atomic_ordering)] -#![allow(invalid_value)] -#![allow(invalid_from_utf8_unchecked)] -#![allow(let_underscore_drop)] -#![allow(unexpected_cfgs)] -#![allow(enum_intrinsics_non_enums)] -#![allow(non_fmt_panics)] -#![allow(named_arguments_used_positionally)] -#![allow(dangling_pointers_from_temporaries)] +#![allow(unnecessary_transmutes)] #![allow(undropped_manually_drops)] #![allow(unknown_lints)] #![allow(unused_labels)] +#![allow(clippy::unwrap_or_default)] #![allow(ambiguous_wide_pointer_comparisons)] -#![allow(clippy::reversed_empty_ranges)] -#![allow(unnecessary_transmutes)] +#![allow(clippy::invisible_characters)] #![warn(clippy::almost_complete_range)] //~ ERROR: lint `clippy::almost_complete_letter_range` #![warn(clippy::disallowed_names)] //~ ERROR: lint `clippy::blacklisted_name` #![warn(clippy::blocks_in_conditions)] //~ ERROR: lint `clippy::block_in_if_condition_expr` #![warn(clippy::blocks_in_conditions)] //~ ERROR: lint `clippy::block_in_if_condition_stmt` #![warn(clippy::blocks_in_conditions)] //~ ERROR: lint `clippy::blocks_in_if_conditions` #![warn(clippy::box_collection)] //~ ERROR: lint `clippy::box_vec` +#![warn(invalid_reference_casting)] //~ ERROR: lint `clippy::cast_ref_to_mut` +#![warn(suspicious_double_ref_op)] //~ ERROR: lint `clippy::clone_double_ref` +#![warn(invalid_nan_comparisons)] //~ ERROR: lint `clippy::cmp_nan` #![warn(clippy::redundant_static_lifetimes)] //~ ERROR: lint `clippy::const_static_lifetime` #![warn(clippy::cognitive_complexity)] //~ ERROR: lint `clippy::cyclomatic_complexity` #![warn(clippy::derived_hash_with_manual_eq)] //~ ERROR: lint `clippy::derive_hash_xor_eq` #![warn(clippy::disallowed_methods)] //~ ERROR: lint `clippy::disallowed_method` #![warn(clippy::disallowed_types)] //~ ERROR: lint `clippy::disallowed_type` +#![warn(double_negations)] //~ ERROR: lint `clippy::double_neg` +#![warn(drop_bounds)] //~ ERROR: lint `clippy::drop_bounds` +#![warn(dropping_copy_types)] //~ ERROR: lint `clippy::drop_copy` +#![warn(dropping_references)] //~ ERROR: lint `clippy::drop_ref` #![warn(clippy::mixed_read_write_in_expression)] //~ ERROR: lint `clippy::eval_order_dependence` -#![warn(clippy::manual_find_map)] //~ ERROR: lint `clippy::find_map` #![warn(clippy::manual_filter_map)] //~ ERROR: lint `clippy::filter_map` +#![warn(clippy::manual_find_map)] //~ ERROR: lint `clippy::find_map` #![warn(unpredictable_function_pointer_comparisons)] //~ ERROR: lint `clippy::fn_address_comparisons` +#![warn(useless_ptr_null_checks)] //~ ERROR: lint `clippy::fn_null_check` +#![warn(for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loop_over_option` +#![warn(for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loop_over_result` +#![warn(for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loops_over_fallibles` +#![warn(forgetting_copy_types)] //~ ERROR: lint `clippy::forget_copy` +#![warn(forgetting_references)] //~ ERROR: lint `clippy::forget_ref` #![warn(clippy::useless_conversion)] //~ ERROR: lint `clippy::identity_conversion` #![warn(clippy::redundant_pattern_matching)] //~ ERROR: lint `clippy::if_let_redundant_pattern_matching` #![warn(clippy::match_result_ok)] //~ ERROR: lint `clippy::if_let_some_result` #![warn(clippy::non_canonical_clone_impl)] //~ ERROR: lint `clippy::incorrect_clone_impl_on_copy_type` #![warn(clippy::non_canonical_partial_ord_impl)] //~ ERROR: lint `clippy::incorrect_partial_ord_impl_on_ord_type` #![warn(clippy::arithmetic_side_effects)] //~ ERROR: lint `clippy::integer_arithmetic` +#![warn(array_into_iter)] //~ ERROR: lint `clippy::into_iter_on_array` +#![warn(invalid_atomic_ordering)] //~ ERROR: lint `clippy::invalid_atomic_ordering` +#![warn(invalid_null_arguments)] //~ ERROR: lint `clippy::invalid_null_ptr_usage` +#![warn(invalid_value)] //~ ERROR: lint `clippy::invalid_ref` +#![warn(invalid_from_utf8_unchecked)] //~ ERROR: lint `clippy::invalid_utf8_in_unchecked` +#![warn(let_underscore_drop)] //~ ERROR: lint `clippy::let_underscore_drop` #![warn(clippy::overly_complex_bool_expr)] //~ ERROR: lint `clippy::logic_bug` +#![warn(unexpected_cfgs)] //~ ERROR: lint `clippy::maybe_misused_cfg` +#![warn(enum_intrinsics_non_enums)] //~ ERROR: lint `clippy::mem_discriminant_non_enum` +#![warn(unexpected_cfgs)] //~ ERROR: lint `clippy::mismatched_target_os` #![warn(clippy::new_without_default)] //~ ERROR: lint `clippy::new_without_default_derive` #![warn(clippy::bind_instead_of_map)] //~ ERROR: lint `clippy::option_and_then_some` #![warn(clippy::expect_used)] //~ ERROR: lint `clippy::option_expect_used` @@ -93,49 +115,27 @@ #![warn(clippy::map_unwrap_or)] //~ ERROR: lint `clippy::option_map_unwrap_or_else` #![warn(clippy::unwrap_used)] //~ ERROR: lint `clippy::option_unwrap_used` #![warn(clippy::panicking_overflow_checks)] //~ ERROR: lint `clippy::overflow_check_conditional` +#![warn(non_fmt_panics)] //~ ERROR: lint `clippy::panic_params` +#![warn(named_arguments_used_positionally)] //~ ERROR: lint `clippy::positional_named_format_parameters` #![warn(clippy::needless_borrow)] //~ ERROR: lint `clippy::ref_in_deref` #![warn(clippy::expect_used)] //~ ERROR: lint `clippy::result_expect_used` #![warn(clippy::map_unwrap_or)] //~ ERROR: lint `clippy::result_map_unwrap_or_else` #![warn(clippy::unwrap_used)] //~ ERROR: lint `clippy::result_unwrap_used` +#![warn(clippy::reversed_empty_ranges)] //~ ERROR: lint `clippy::reverse_range_loop` #![warn(clippy::single_char_add_str)] //~ ERROR: lint `clippy::single_char_push_str` #![warn(clippy::module_name_repetitions)] //~ ERROR: lint `clippy::stutter` +#![warn(dangling_pointers_from_temporaries)] //~ ERROR: lint `clippy::temporary_cstring_as_ptr` #![warn(clippy::missing_const_for_thread_local)] //~ ERROR: lint `clippy::thread_local_initializer_can_be_made_const` #![warn(clippy::recursive_format_impl)] //~ ERROR: lint `clippy::to_string_in_display` -#![warn(clippy::unwrap_or_default)] //~ ERROR: lint `clippy::unwrap_or_else_default` -#![warn(clippy::invisible_characters)] //~ ERROR: lint `clippy::zero_width_space` -#![warn(invalid_reference_casting)] //~ ERROR: lint `clippy::cast_ref_to_mut` -#![warn(suspicious_double_ref_op)] //~ ERROR: lint `clippy::clone_double_ref` -#![warn(invalid_nan_comparisons)] //~ ERROR: lint `clippy::cmp_nan` -#![warn(invalid_null_arguments)] //~ ERROR: lint `clippy::invalid_null_ptr_usage` -#![warn(double_negations)] //~ ERROR: lint `clippy::double_neg` -#![warn(drop_bounds)] //~ ERROR: lint `clippy::drop_bounds` -#![warn(dropping_copy_types)] //~ ERROR: lint `clippy::drop_copy` -#![warn(dropping_references)] //~ ERROR: lint `clippy::drop_ref` -#![warn(useless_ptr_null_checks)] //~ ERROR: lint `clippy::fn_null_check` -#![warn(for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loop_over_option` -#![warn(for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loop_over_result` -#![warn(for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loops_over_fallibles` -#![warn(forgetting_copy_types)] //~ ERROR: lint `clippy::forget_copy` -#![warn(forgetting_references)] //~ ERROR: lint `clippy::forget_ref` -#![warn(array_into_iter)] //~ ERROR: lint `clippy::into_iter_on_array` -#![warn(invalid_atomic_ordering)] //~ ERROR: lint `clippy::invalid_atomic_ordering` -#![warn(invalid_value)] //~ ERROR: lint `clippy::invalid_ref` -#![warn(invalid_from_utf8_unchecked)] //~ ERROR: lint `clippy::invalid_utf8_in_unchecked` -#![warn(let_underscore_drop)] //~ ERROR: lint `clippy::let_underscore_drop` -#![warn(unexpected_cfgs)] //~ ERROR: lint `clippy::maybe_misused_cfg` -#![warn(enum_intrinsics_non_enums)] //~ ERROR: lint `clippy::mem_discriminant_non_enum` -#![warn(unexpected_cfgs)] //~ ERROR: lint `clippy::mismatched_target_os` -#![warn(non_fmt_panics)] //~ ERROR: lint `clippy::panic_params` -#![warn(named_arguments_used_positionally)] //~ ERROR: lint `clippy::positional_named_format_parameters` -#![warn(dangling_pointers_from_temporaries)] //~ ERROR: lint `clippy::temporary_cstring_as_ptr` +#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_float_to_int` +#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_int_to_char` +#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_int_to_float` +#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_num_to_bytes` #![warn(undropped_manually_drops)] //~ ERROR: lint `clippy::undropped_manually_drops` #![warn(unknown_lints)] //~ ERROR: lint `clippy::unknown_clippy_lints` #![warn(unused_labels)] //~ ERROR: lint `clippy::unused_label` +#![warn(clippy::unwrap_or_default)] //~ ERROR: lint `clippy::unwrap_or_else_default` #![warn(ambiguous_wide_pointer_comparisons)] //~ ERROR: lint `clippy::vtable_address_comparisons` -#![warn(clippy::reversed_empty_ranges)] //~ ERROR: lint `clippy::reverse_range_loop` -#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_int_to_float` -#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_int_to_char` -#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_float_to_int` -#![warn(unnecessary_transmutes)] //~ ERROR: lint `clippy::transmute_num_to_bytes` +#![warn(clippy::invisible_characters)] //~ ERROR: lint `clippy::zero_width_space` fn main() {} diff --git a/src/tools/clippy/tests/ui/rename.rs b/src/tools/clippy/tests/ui/rename.rs index 31dcd2cea08..b5d5d07e639 100644 --- a/src/tools/clippy/tests/ui/rename.rs +++ b/src/tools/clippy/tests/ui/rename.rs @@ -7,85 +7,107 @@ #![allow(clippy::disallowed_names)] #![allow(clippy::blocks_in_conditions)] #![allow(clippy::box_collection)] +#![allow(invalid_reference_casting)] +#![allow(suspicious_double_ref_op)] +#![allow(invalid_nan_comparisons)] #![allow(clippy::redundant_static_lifetimes)] #![allow(clippy::cognitive_complexity)] #![allow(clippy::derived_hash_with_manual_eq)] #![allow(clippy::disallowed_methods)] #![allow(clippy::disallowed_types)] +#![allow(double_negations)] +#![allow(drop_bounds)] +#![allow(dropping_copy_types)] +#![allow(dropping_references)] #![allow(clippy::mixed_read_write_in_expression)] -#![allow(clippy::manual_find_map)] #![allow(clippy::manual_filter_map)] +#![allow(clippy::manual_find_map)] #![allow(unpredictable_function_pointer_comparisons)] +#![allow(useless_ptr_null_checks)] +#![allow(for_loops_over_fallibles)] +#![allow(forgetting_copy_types)] +#![allow(forgetting_references)] #![allow(clippy::useless_conversion)] #![allow(clippy::redundant_pattern_matching)] #![allow(clippy::match_result_ok)] #![allow(clippy::non_canonical_clone_impl)] #![allow(clippy::non_canonical_partial_ord_impl)] #![allow(clippy::arithmetic_side_effects)] +#![allow(array_into_iter)] +#![allow(invalid_atomic_ordering)] +#![allow(invalid_null_arguments)] +#![allow(invalid_value)] +#![allow(invalid_from_utf8_unchecked)] +#![allow(let_underscore_drop)] #![allow(clippy::overly_complex_bool_expr)] +#![allow(unexpected_cfgs)] +#![allow(enum_intrinsics_non_enums)] #![allow(clippy::new_without_default)] #![allow(clippy::bind_instead_of_map)] #![allow(clippy::expect_used)] #![allow(clippy::map_unwrap_or)] #![allow(clippy::unwrap_used)] #![allow(clippy::panicking_overflow_checks)] +#![allow(non_fmt_panics)] +#![allow(named_arguments_used_positionally)] #![allow(clippy::needless_borrow)] +#![allow(clippy::reversed_empty_ranges)] #![allow(clippy::single_char_add_str)] #![allow(clippy::module_name_repetitions)] +#![allow(dangling_pointers_from_temporaries)] #![allow(clippy::missing_const_for_thread_local)] #![allow(clippy::recursive_format_impl)] -#![allow(clippy::unwrap_or_default)] -#![allow(clippy::invisible_characters)] -#![allow(invalid_reference_casting)] -#![allow(suspicious_double_ref_op)] -#![allow(invalid_nan_comparisons)] -#![allow(invalid_null_arguments)] -#![allow(double_negations)] -#![allow(drop_bounds)] -#![allow(dropping_copy_types)] -#![allow(dropping_references)] -#![allow(useless_ptr_null_checks)] -#![allow(for_loops_over_fallibles)] -#![allow(forgetting_copy_types)] -#![allow(forgetting_references)] -#![allow(array_into_iter)] -#![allow(invalid_atomic_ordering)] -#![allow(invalid_value)] -#![allow(invalid_from_utf8_unchecked)] -#![allow(let_underscore_drop)] -#![allow(unexpected_cfgs)] -#![allow(enum_intrinsics_non_enums)] -#![allow(non_fmt_panics)] -#![allow(named_arguments_used_positionally)] -#![allow(dangling_pointers_from_temporaries)] +#![allow(unnecessary_transmutes)] #![allow(undropped_manually_drops)] #![allow(unknown_lints)] #![allow(unused_labels)] +#![allow(clippy::unwrap_or_default)] #![allow(ambiguous_wide_pointer_comparisons)] -#![allow(clippy::reversed_empty_ranges)] -#![allow(unnecessary_transmutes)] +#![allow(clippy::invisible_characters)] #![warn(clippy::almost_complete_letter_range)] //~ ERROR: lint `clippy::almost_complete_letter_range` #![warn(clippy::blacklisted_name)] //~ ERROR: lint `clippy::blacklisted_name` #![warn(clippy::block_in_if_condition_expr)] //~ ERROR: lint `clippy::block_in_if_condition_expr` #![warn(clippy::block_in_if_condition_stmt)] //~ ERROR: lint `clippy::block_in_if_condition_stmt` #![warn(clippy::blocks_in_if_conditions)] //~ ERROR: lint `clippy::blocks_in_if_conditions` #![warn(clippy::box_vec)] //~ ERROR: lint `clippy::box_vec` +#![warn(clippy::cast_ref_to_mut)] //~ ERROR: lint `clippy::cast_ref_to_mut` +#![warn(clippy::clone_double_ref)] //~ ERROR: lint `clippy::clone_double_ref` +#![warn(clippy::cmp_nan)] //~ ERROR: lint `clippy::cmp_nan` #![warn(clippy::const_static_lifetime)] //~ ERROR: lint `clippy::const_static_lifetime` #![warn(clippy::cyclomatic_complexity)] //~ ERROR: lint `clippy::cyclomatic_complexity` #![warn(clippy::derive_hash_xor_eq)] //~ ERROR: lint `clippy::derive_hash_xor_eq` #![warn(clippy::disallowed_method)] //~ ERROR: lint `clippy::disallowed_method` #![warn(clippy::disallowed_type)] //~ ERROR: lint `clippy::disallowed_type` +#![warn(clippy::double_neg)] //~ ERROR: lint `clippy::double_neg` +#![warn(clippy::drop_bounds)] //~ ERROR: lint `clippy::drop_bounds` +#![warn(clippy::drop_copy)] //~ ERROR: lint `clippy::drop_copy` +#![warn(clippy::drop_ref)] //~ ERROR: lint `clippy::drop_ref` #![warn(clippy::eval_order_dependence)] //~ ERROR: lint `clippy::eval_order_dependence` -#![warn(clippy::find_map)] //~ ERROR: lint `clippy::find_map` #![warn(clippy::filter_map)] //~ ERROR: lint `clippy::filter_map` +#![warn(clippy::find_map)] //~ ERROR: lint `clippy::find_map` #![warn(clippy::fn_address_comparisons)] //~ ERROR: lint `clippy::fn_address_comparisons` +#![warn(clippy::fn_null_check)] //~ ERROR: lint `clippy::fn_null_check` +#![warn(clippy::for_loop_over_option)] //~ ERROR: lint `clippy::for_loop_over_option` +#![warn(clippy::for_loop_over_result)] //~ ERROR: lint `clippy::for_loop_over_result` +#![warn(clippy::for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loops_over_fallibles` +#![warn(clippy::forget_copy)] //~ ERROR: lint `clippy::forget_copy` +#![warn(clippy::forget_ref)] //~ ERROR: lint `clippy::forget_ref` #![warn(clippy::identity_conversion)] //~ ERROR: lint `clippy::identity_conversion` #![warn(clippy::if_let_redundant_pattern_matching)] //~ ERROR: lint `clippy::if_let_redundant_pattern_matching` #![warn(clippy::if_let_some_result)] //~ ERROR: lint `clippy::if_let_some_result` #![warn(clippy::incorrect_clone_impl_on_copy_type)] //~ ERROR: lint `clippy::incorrect_clone_impl_on_copy_type` #![warn(clippy::incorrect_partial_ord_impl_on_ord_type)] //~ ERROR: lint `clippy::incorrect_partial_ord_impl_on_ord_type` #![warn(clippy::integer_arithmetic)] //~ ERROR: lint `clippy::integer_arithmetic` +#![warn(clippy::into_iter_on_array)] //~ ERROR: lint `clippy::into_iter_on_array` +#![warn(clippy::invalid_atomic_ordering)] //~ ERROR: lint `clippy::invalid_atomic_ordering` +#![warn(clippy::invalid_null_ptr_usage)] //~ ERROR: lint `clippy::invalid_null_ptr_usage` +#![warn(clippy::invalid_ref)] //~ ERROR: lint `clippy::invalid_ref` +#![warn(clippy::invalid_utf8_in_unchecked)] //~ ERROR: lint `clippy::invalid_utf8_in_unchecked` +#![warn(clippy::let_underscore_drop)] //~ ERROR: lint `clippy::let_underscore_drop` #![warn(clippy::logic_bug)] //~ ERROR: lint `clippy::logic_bug` +#![warn(clippy::maybe_misused_cfg)] //~ ERROR: lint `clippy::maybe_misused_cfg` +#![warn(clippy::mem_discriminant_non_enum)] //~ ERROR: lint `clippy::mem_discriminant_non_enum` +#![warn(clippy::mismatched_target_os)] //~ ERROR: lint `clippy::mismatched_target_os` #![warn(clippy::new_without_default_derive)] //~ ERROR: lint `clippy::new_without_default_derive` #![warn(clippy::option_and_then_some)] //~ ERROR: lint `clippy::option_and_then_some` #![warn(clippy::option_expect_used)] //~ ERROR: lint `clippy::option_expect_used` @@ -93,49 +115,27 @@ #![warn(clippy::option_map_unwrap_or_else)] //~ ERROR: lint `clippy::option_map_unwrap_or_else` #![warn(clippy::option_unwrap_used)] //~ ERROR: lint `clippy::option_unwrap_used` #![warn(clippy::overflow_check_conditional)] //~ ERROR: lint `clippy::overflow_check_conditional` +#![warn(clippy::panic_params)] //~ ERROR: lint `clippy::panic_params` +#![warn(clippy::positional_named_format_parameters)] //~ ERROR: lint `clippy::positional_named_format_parameters` #![warn(clippy::ref_in_deref)] //~ ERROR: lint `clippy::ref_in_deref` #![warn(clippy::result_expect_used)] //~ ERROR: lint `clippy::result_expect_used` #![warn(clippy::result_map_unwrap_or_else)] //~ ERROR: lint `clippy::result_map_unwrap_or_else` #![warn(clippy::result_unwrap_used)] //~ ERROR: lint `clippy::result_unwrap_used` +#![warn(clippy::reverse_range_loop)] //~ ERROR: lint `clippy::reverse_range_loop` #![warn(clippy::single_char_push_str)] //~ ERROR: lint `clippy::single_char_push_str` #![warn(clippy::stutter)] //~ ERROR: lint `clippy::stutter` +#![warn(clippy::temporary_cstring_as_ptr)] //~ ERROR: lint `clippy::temporary_cstring_as_ptr` #![warn(clippy::thread_local_initializer_can_be_made_const)] //~ ERROR: lint `clippy::thread_local_initializer_can_be_made_const` #![warn(clippy::to_string_in_display)] //~ ERROR: lint `clippy::to_string_in_display` -#![warn(clippy::unwrap_or_else_default)] //~ ERROR: lint `clippy::unwrap_or_else_default` -#![warn(clippy::zero_width_space)] //~ ERROR: lint `clippy::zero_width_space` -#![warn(clippy::cast_ref_to_mut)] //~ ERROR: lint `clippy::cast_ref_to_mut` -#![warn(clippy::clone_double_ref)] //~ ERROR: lint `clippy::clone_double_ref` -#![warn(clippy::cmp_nan)] //~ ERROR: lint `clippy::cmp_nan` -#![warn(clippy::invalid_null_ptr_usage)] //~ ERROR: lint `clippy::invalid_null_ptr_usage` -#![warn(clippy::double_neg)] //~ ERROR: lint `clippy::double_neg` -#![warn(clippy::drop_bounds)] //~ ERROR: lint `clippy::drop_bounds` -#![warn(clippy::drop_copy)] //~ ERROR: lint `clippy::drop_copy` -#![warn(clippy::drop_ref)] //~ ERROR: lint `clippy::drop_ref` -#![warn(clippy::fn_null_check)] //~ ERROR: lint `clippy::fn_null_check` -#![warn(clippy::for_loop_over_option)] //~ ERROR: lint `clippy::for_loop_over_option` -#![warn(clippy::for_loop_over_result)] //~ ERROR: lint `clippy::for_loop_over_result` -#![warn(clippy::for_loops_over_fallibles)] //~ ERROR: lint `clippy::for_loops_over_fallibles` -#![warn(clippy::forget_copy)] //~ ERROR: lint `clippy::forget_copy` -#![warn(clippy::forget_ref)] //~ ERROR: lint `clippy::forget_ref` -#![warn(clippy::into_iter_on_array)] //~ ERROR: lint `clippy::into_iter_on_array` -#![warn(clippy::invalid_atomic_ordering)] //~ ERROR: lint `clippy::invalid_atomic_ordering` -#![warn(clippy::invalid_ref)] //~ ERROR: lint `clippy::invalid_ref` -#![warn(clippy::invalid_utf8_in_unchecked)] //~ ERROR: lint `clippy::invalid_utf8_in_unchecked` -#![warn(clippy::let_underscore_drop)] //~ ERROR: lint `clippy::let_underscore_drop` -#![warn(clippy::maybe_misused_cfg)] //~ ERROR: lint `clippy::maybe_misused_cfg` -#![warn(clippy::mem_discriminant_non_enum)] //~ ERROR: lint `clippy::mem_discriminant_non_enum` -#![warn(clippy::mismatched_target_os)] //~ ERROR: lint `clippy::mismatched_target_os` -#![warn(clippy::panic_params)] //~ ERROR: lint `clippy::panic_params` -#![warn(clippy::positional_named_format_parameters)] //~ ERROR: lint `clippy::positional_named_format_parameters` -#![warn(clippy::temporary_cstring_as_ptr)] //~ ERROR: lint `clippy::temporary_cstring_as_ptr` +#![warn(clippy::transmute_float_to_int)] //~ ERROR: lint `clippy::transmute_float_to_int` +#![warn(clippy::transmute_int_to_char)] //~ ERROR: lint `clippy::transmute_int_to_char` +#![warn(clippy::transmute_int_to_float)] //~ ERROR: lint `clippy::transmute_int_to_float` +#![warn(clippy::transmute_num_to_bytes)] //~ ERROR: lint `clippy::transmute_num_to_bytes` #![warn(clippy::undropped_manually_drops)] //~ ERROR: lint `clippy::undropped_manually_drops` #![warn(clippy::unknown_clippy_lints)] //~ ERROR: lint `clippy::unknown_clippy_lints` #![warn(clippy::unused_label)] //~ ERROR: lint `clippy::unused_label` +#![warn(clippy::unwrap_or_else_default)] //~ ERROR: lint `clippy::unwrap_or_else_default` #![warn(clippy::vtable_address_comparisons)] //~ ERROR: lint `clippy::vtable_address_comparisons` -#![warn(clippy::reverse_range_loop)] //~ ERROR: lint `clippy::reverse_range_loop` -#![warn(clippy::transmute_int_to_float)] //~ ERROR: lint `clippy::transmute_int_to_float` -#![warn(clippy::transmute_int_to_char)] //~ ERROR: lint `clippy::transmute_int_to_char` -#![warn(clippy::transmute_float_to_int)] //~ ERROR: lint `clippy::transmute_float_to_int` -#![warn(clippy::transmute_num_to_bytes)] //~ ERROR: lint `clippy::transmute_num_to_bytes` +#![warn(clippy::zero_width_space)] //~ ERROR: lint `clippy::zero_width_space` fn main() {} diff --git a/src/tools/clippy/tests/ui/rename.stderr b/src/tools/clippy/tests/ui/rename.stderr index a8d5c96acc3..2487dfc8eba 100644 --- a/src/tools/clippy/tests/ui/rename.stderr +++ b/src/tools/clippy/tests/ui/rename.stderr @@ -37,407 +37,407 @@ error: lint `clippy::box_vec` has been renamed to `clippy::box_collection` LL | #![warn(clippy::box_vec)] | ^^^^^^^^^^^^^^^ help: use the new name: `clippy::box_collection` -error: lint `clippy::const_static_lifetime` has been renamed to `clippy::redundant_static_lifetimes` +error: lint `clippy::cast_ref_to_mut` has been renamed to `invalid_reference_casting` --> tests/ui/rename.rs:73:9 | +LL | #![warn(clippy::cast_ref_to_mut)] + | ^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_reference_casting` + +error: lint `clippy::clone_double_ref` has been renamed to `suspicious_double_ref_op` + --> tests/ui/rename.rs:74:9 + | +LL | #![warn(clippy::clone_double_ref)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `suspicious_double_ref_op` + +error: lint `clippy::cmp_nan` has been renamed to `invalid_nan_comparisons` + --> tests/ui/rename.rs:75:9 + | +LL | #![warn(clippy::cmp_nan)] + | ^^^^^^^^^^^^^^^ help: use the new name: `invalid_nan_comparisons` + +error: lint `clippy::const_static_lifetime` has been renamed to `clippy::redundant_static_lifetimes` + --> tests/ui/rename.rs:76:9 + | LL | #![warn(clippy::const_static_lifetime)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_static_lifetimes` error: lint `clippy::cyclomatic_complexity` has been renamed to `clippy::cognitive_complexity` - --> tests/ui/rename.rs:74:9 + --> tests/ui/rename.rs:77:9 | LL | #![warn(clippy::cyclomatic_complexity)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::cognitive_complexity` error: lint `clippy::derive_hash_xor_eq` has been renamed to `clippy::derived_hash_with_manual_eq` - --> tests/ui/rename.rs:75:9 + --> tests/ui/rename.rs:78:9 | LL | #![warn(clippy::derive_hash_xor_eq)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::derived_hash_with_manual_eq` error: lint `clippy::disallowed_method` has been renamed to `clippy::disallowed_methods` - --> tests/ui/rename.rs:76:9 + --> tests/ui/rename.rs:79:9 | LL | #![warn(clippy::disallowed_method)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_methods` error: lint `clippy::disallowed_type` has been renamed to `clippy::disallowed_types` - --> tests/ui/rename.rs:77:9 + --> tests/ui/rename.rs:80:9 | LL | #![warn(clippy::disallowed_type)] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_types` -error: lint `clippy::eval_order_dependence` has been renamed to `clippy::mixed_read_write_in_expression` - --> tests/ui/rename.rs:78:9 - | -LL | #![warn(clippy::eval_order_dependence)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::mixed_read_write_in_expression` - -error: lint `clippy::find_map` has been renamed to `clippy::manual_find_map` - --> tests/ui/rename.rs:79:9 - | -LL | #![warn(clippy::find_map)] - | ^^^^^^^^^^^^^^^^ help: use the new name: `clippy::manual_find_map` - -error: lint `clippy::filter_map` has been renamed to `clippy::manual_filter_map` - --> tests/ui/rename.rs:80:9 - | -LL | #![warn(clippy::filter_map)] - | ^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::manual_filter_map` - -error: lint `clippy::fn_address_comparisons` has been renamed to `unpredictable_function_pointer_comparisons` +error: lint `clippy::double_neg` has been renamed to `double_negations` --> tests/ui/rename.rs:81:9 | -LL | #![warn(clippy::fn_address_comparisons)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unpredictable_function_pointer_comparisons` +LL | #![warn(clippy::double_neg)] + | ^^^^^^^^^^^^^^^^^^ help: use the new name: `double_negations` -error: lint `clippy::identity_conversion` has been renamed to `clippy::useless_conversion` +error: lint `clippy::drop_bounds` has been renamed to `drop_bounds` --> tests/ui/rename.rs:82:9 | -LL | #![warn(clippy::identity_conversion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::useless_conversion` +LL | #![warn(clippy::drop_bounds)] + | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `drop_bounds` -error: lint `clippy::if_let_redundant_pattern_matching` has been renamed to `clippy::redundant_pattern_matching` +error: lint `clippy::drop_copy` has been renamed to `dropping_copy_types` --> tests/ui/rename.rs:83:9 | -LL | #![warn(clippy::if_let_redundant_pattern_matching)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_pattern_matching` +LL | #![warn(clippy::drop_copy)] + | ^^^^^^^^^^^^^^^^^ help: use the new name: `dropping_copy_types` -error: lint `clippy::if_let_some_result` has been renamed to `clippy::match_result_ok` +error: lint `clippy::drop_ref` has been renamed to `dropping_references` --> tests/ui/rename.rs:84:9 | -LL | #![warn(clippy::if_let_some_result)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::match_result_ok` +LL | #![warn(clippy::drop_ref)] + | ^^^^^^^^^^^^^^^^ help: use the new name: `dropping_references` -error: lint `clippy::incorrect_clone_impl_on_copy_type` has been renamed to `clippy::non_canonical_clone_impl` +error: lint `clippy::eval_order_dependence` has been renamed to `clippy::mixed_read_write_in_expression` --> tests/ui/rename.rs:85:9 | -LL | #![warn(clippy::incorrect_clone_impl_on_copy_type)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::non_canonical_clone_impl` +LL | #![warn(clippy::eval_order_dependence)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::mixed_read_write_in_expression` -error: lint `clippy::incorrect_partial_ord_impl_on_ord_type` has been renamed to `clippy::non_canonical_partial_ord_impl` +error: lint `clippy::filter_map` has been renamed to `clippy::manual_filter_map` --> tests/ui/rename.rs:86:9 | -LL | #![warn(clippy::incorrect_partial_ord_impl_on_ord_type)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::non_canonical_partial_ord_impl` +LL | #![warn(clippy::filter_map)] + | ^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::manual_filter_map` -error: lint `clippy::integer_arithmetic` has been renamed to `clippy::arithmetic_side_effects` +error: lint `clippy::find_map` has been renamed to `clippy::manual_find_map` --> tests/ui/rename.rs:87:9 | -LL | #![warn(clippy::integer_arithmetic)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::arithmetic_side_effects` +LL | #![warn(clippy::find_map)] + | ^^^^^^^^^^^^^^^^ help: use the new name: `clippy::manual_find_map` -error: lint `clippy::logic_bug` has been renamed to `clippy::overly_complex_bool_expr` +error: lint `clippy::fn_address_comparisons` has been renamed to `unpredictable_function_pointer_comparisons` --> tests/ui/rename.rs:88:9 | -LL | #![warn(clippy::logic_bug)] - | ^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::overly_complex_bool_expr` +LL | #![warn(clippy::fn_address_comparisons)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unpredictable_function_pointer_comparisons` -error: lint `clippy::new_without_default_derive` has been renamed to `clippy::new_without_default` +error: lint `clippy::fn_null_check` has been renamed to `useless_ptr_null_checks` --> tests/ui/rename.rs:89:9 | -LL | #![warn(clippy::new_without_default_derive)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::new_without_default` +LL | #![warn(clippy::fn_null_check)] + | ^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `useless_ptr_null_checks` -error: lint `clippy::option_and_then_some` has been renamed to `clippy::bind_instead_of_map` +error: lint `clippy::for_loop_over_option` has been renamed to `for_loops_over_fallibles` --> tests/ui/rename.rs:90:9 | -LL | #![warn(clippy::option_and_then_some)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::bind_instead_of_map` +LL | #![warn(clippy::for_loop_over_option)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` -error: lint `clippy::option_expect_used` has been renamed to `clippy::expect_used` +error: lint `clippy::for_loop_over_result` has been renamed to `for_loops_over_fallibles` --> tests/ui/rename.rs:91:9 | -LL | #![warn(clippy::option_expect_used)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` +LL | #![warn(clippy::for_loop_over_result)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` -error: lint `clippy::option_map_unwrap_or` has been renamed to `clippy::map_unwrap_or` +error: lint `clippy::for_loops_over_fallibles` has been renamed to `for_loops_over_fallibles` --> tests/ui/rename.rs:92:9 | -LL | #![warn(clippy::option_map_unwrap_or)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` +LL | #![warn(clippy::for_loops_over_fallibles)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` -error: lint `clippy::option_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` +error: lint `clippy::forget_copy` has been renamed to `forgetting_copy_types` --> tests/ui/rename.rs:93:9 | -LL | #![warn(clippy::option_map_unwrap_or_else)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` +LL | #![warn(clippy::forget_copy)] + | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_copy_types` -error: lint `clippy::option_unwrap_used` has been renamed to `clippy::unwrap_used` +error: lint `clippy::forget_ref` has been renamed to `forgetting_references` --> tests/ui/rename.rs:94:9 | -LL | #![warn(clippy::option_unwrap_used)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` +LL | #![warn(clippy::forget_ref)] + | ^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_references` -error: lint `clippy::overflow_check_conditional` has been renamed to `clippy::panicking_overflow_checks` +error: lint `clippy::identity_conversion` has been renamed to `clippy::useless_conversion` --> tests/ui/rename.rs:95:9 | -LL | #![warn(clippy::overflow_check_conditional)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::panicking_overflow_checks` +LL | #![warn(clippy::identity_conversion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::useless_conversion` -error: lint `clippy::ref_in_deref` has been renamed to `clippy::needless_borrow` +error: lint `clippy::if_let_redundant_pattern_matching` has been renamed to `clippy::redundant_pattern_matching` --> tests/ui/rename.rs:96:9 | -LL | #![warn(clippy::ref_in_deref)] - | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::needless_borrow` +LL | #![warn(clippy::if_let_redundant_pattern_matching)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_pattern_matching` -error: lint `clippy::result_expect_used` has been renamed to `clippy::expect_used` +error: lint `clippy::if_let_some_result` has been renamed to `clippy::match_result_ok` --> tests/ui/rename.rs:97:9 | -LL | #![warn(clippy::result_expect_used)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` +LL | #![warn(clippy::if_let_some_result)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::match_result_ok` -error: lint `clippy::result_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` +error: lint `clippy::incorrect_clone_impl_on_copy_type` has been renamed to `clippy::non_canonical_clone_impl` --> tests/ui/rename.rs:98:9 | -LL | #![warn(clippy::result_map_unwrap_or_else)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` +LL | #![warn(clippy::incorrect_clone_impl_on_copy_type)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::non_canonical_clone_impl` -error: lint `clippy::result_unwrap_used` has been renamed to `clippy::unwrap_used` +error: lint `clippy::incorrect_partial_ord_impl_on_ord_type` has been renamed to `clippy::non_canonical_partial_ord_impl` --> tests/ui/rename.rs:99:9 | -LL | #![warn(clippy::result_unwrap_used)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` +LL | #![warn(clippy::incorrect_partial_ord_impl_on_ord_type)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::non_canonical_partial_ord_impl` -error: lint `clippy::single_char_push_str` has been renamed to `clippy::single_char_add_str` +error: lint `clippy::integer_arithmetic` has been renamed to `clippy::arithmetic_side_effects` --> tests/ui/rename.rs:100:9 | -LL | #![warn(clippy::single_char_push_str)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::single_char_add_str` +LL | #![warn(clippy::integer_arithmetic)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::arithmetic_side_effects` -error: lint `clippy::stutter` has been renamed to `clippy::module_name_repetitions` +error: lint `clippy::into_iter_on_array` has been renamed to `array_into_iter` --> tests/ui/rename.rs:101:9 | -LL | #![warn(clippy::stutter)] - | ^^^^^^^^^^^^^^^ help: use the new name: `clippy::module_name_repetitions` +LL | #![warn(clippy::into_iter_on_array)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `array_into_iter` -error: lint `clippy::thread_local_initializer_can_be_made_const` has been renamed to `clippy::missing_const_for_thread_local` +error: lint `clippy::invalid_atomic_ordering` has been renamed to `invalid_atomic_ordering` --> tests/ui/rename.rs:102:9 | -LL | #![warn(clippy::thread_local_initializer_can_be_made_const)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::missing_const_for_thread_local` +LL | #![warn(clippy::invalid_atomic_ordering)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_atomic_ordering` -error: lint `clippy::to_string_in_display` has been renamed to `clippy::recursive_format_impl` +error: lint `clippy::invalid_null_ptr_usage` has been renamed to `invalid_null_arguments` --> tests/ui/rename.rs:103:9 | -LL | #![warn(clippy::to_string_in_display)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::recursive_format_impl` +LL | #![warn(clippy::invalid_null_ptr_usage)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_null_arguments` -error: lint `clippy::unwrap_or_else_default` has been renamed to `clippy::unwrap_or_default` +error: lint `clippy::invalid_ref` has been renamed to `invalid_value` --> tests/ui/rename.rs:104:9 | -LL | #![warn(clippy::unwrap_or_else_default)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_or_default` +LL | #![warn(clippy::invalid_ref)] + | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_value` -error: lint `clippy::zero_width_space` has been renamed to `clippy::invisible_characters` +error: lint `clippy::invalid_utf8_in_unchecked` has been renamed to `invalid_from_utf8_unchecked` --> tests/ui/rename.rs:105:9 | -LL | #![warn(clippy::zero_width_space)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::invisible_characters` +LL | #![warn(clippy::invalid_utf8_in_unchecked)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_from_utf8_unchecked` -error: lint `clippy::cast_ref_to_mut` has been renamed to `invalid_reference_casting` +error: lint `clippy::let_underscore_drop` has been renamed to `let_underscore_drop` --> tests/ui/rename.rs:106:9 | -LL | #![warn(clippy::cast_ref_to_mut)] - | ^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_reference_casting` +LL | #![warn(clippy::let_underscore_drop)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `let_underscore_drop` -error: lint `clippy::clone_double_ref` has been renamed to `suspicious_double_ref_op` +error: lint `clippy::logic_bug` has been renamed to `clippy::overly_complex_bool_expr` --> tests/ui/rename.rs:107:9 | -LL | #![warn(clippy::clone_double_ref)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `suspicious_double_ref_op` +LL | #![warn(clippy::logic_bug)] + | ^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::overly_complex_bool_expr` -error: lint `clippy::cmp_nan` has been renamed to `invalid_nan_comparisons` +error: lint `clippy::maybe_misused_cfg` has been renamed to `unexpected_cfgs` --> tests/ui/rename.rs:108:9 | -LL | #![warn(clippy::cmp_nan)] - | ^^^^^^^^^^^^^^^ help: use the new name: `invalid_nan_comparisons` +LL | #![warn(clippy::maybe_misused_cfg)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unexpected_cfgs` -error: lint `clippy::invalid_null_ptr_usage` has been renamed to `invalid_null_arguments` +error: lint `clippy::mem_discriminant_non_enum` has been renamed to `enum_intrinsics_non_enums` --> tests/ui/rename.rs:109:9 | -LL | #![warn(clippy::invalid_null_ptr_usage)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_null_arguments` +LL | #![warn(clippy::mem_discriminant_non_enum)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `enum_intrinsics_non_enums` -error: lint `clippy::double_neg` has been renamed to `double_negations` +error: lint `clippy::mismatched_target_os` has been renamed to `unexpected_cfgs` --> tests/ui/rename.rs:110:9 | -LL | #![warn(clippy::double_neg)] - | ^^^^^^^^^^^^^^^^^^ help: use the new name: `double_negations` +LL | #![warn(clippy::mismatched_target_os)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unexpected_cfgs` -error: lint `clippy::drop_bounds` has been renamed to `drop_bounds` +error: lint `clippy::new_without_default_derive` has been renamed to `clippy::new_without_default` --> tests/ui/rename.rs:111:9 | -LL | #![warn(clippy::drop_bounds)] - | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `drop_bounds` +LL | #![warn(clippy::new_without_default_derive)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::new_without_default` -error: lint `clippy::drop_copy` has been renamed to `dropping_copy_types` +error: lint `clippy::option_and_then_some` has been renamed to `clippy::bind_instead_of_map` --> tests/ui/rename.rs:112:9 | -LL | #![warn(clippy::drop_copy)] - | ^^^^^^^^^^^^^^^^^ help: use the new name: `dropping_copy_types` +LL | #![warn(clippy::option_and_then_some)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::bind_instead_of_map` -error: lint `clippy::drop_ref` has been renamed to `dropping_references` +error: lint `clippy::option_expect_used` has been renamed to `clippy::expect_used` --> tests/ui/rename.rs:113:9 | -LL | #![warn(clippy::drop_ref)] - | ^^^^^^^^^^^^^^^^ help: use the new name: `dropping_references` +LL | #![warn(clippy::option_expect_used)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` -error: lint `clippy::fn_null_check` has been renamed to `useless_ptr_null_checks` +error: lint `clippy::option_map_unwrap_or` has been renamed to `clippy::map_unwrap_or` --> tests/ui/rename.rs:114:9 | -LL | #![warn(clippy::fn_null_check)] - | ^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `useless_ptr_null_checks` +LL | #![warn(clippy::option_map_unwrap_or)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` -error: lint `clippy::for_loop_over_option` has been renamed to `for_loops_over_fallibles` +error: lint `clippy::option_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` --> tests/ui/rename.rs:115:9 | -LL | #![warn(clippy::for_loop_over_option)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` +LL | #![warn(clippy::option_map_unwrap_or_else)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` -error: lint `clippy::for_loop_over_result` has been renamed to `for_loops_over_fallibles` +error: lint `clippy::option_unwrap_used` has been renamed to `clippy::unwrap_used` --> tests/ui/rename.rs:116:9 | -LL | #![warn(clippy::for_loop_over_result)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` +LL | #![warn(clippy::option_unwrap_used)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` -error: lint `clippy::for_loops_over_fallibles` has been renamed to `for_loops_over_fallibles` +error: lint `clippy::overflow_check_conditional` has been renamed to `clippy::panicking_overflow_checks` --> tests/ui/rename.rs:117:9 | -LL | #![warn(clippy::for_loops_over_fallibles)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` +LL | #![warn(clippy::overflow_check_conditional)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::panicking_overflow_checks` -error: lint `clippy::forget_copy` has been renamed to `forgetting_copy_types` +error: lint `clippy::panic_params` has been renamed to `non_fmt_panics` --> tests/ui/rename.rs:118:9 | -LL | #![warn(clippy::forget_copy)] - | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_copy_types` +LL | #![warn(clippy::panic_params)] + | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics` -error: lint `clippy::forget_ref` has been renamed to `forgetting_references` +error: lint `clippy::positional_named_format_parameters` has been renamed to `named_arguments_used_positionally` --> tests/ui/rename.rs:119:9 | -LL | #![warn(clippy::forget_ref)] - | ^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_references` +LL | #![warn(clippy::positional_named_format_parameters)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `named_arguments_used_positionally` -error: lint `clippy::into_iter_on_array` has been renamed to `array_into_iter` +error: lint `clippy::ref_in_deref` has been renamed to `clippy::needless_borrow` --> tests/ui/rename.rs:120:9 | -LL | #![warn(clippy::into_iter_on_array)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `array_into_iter` +LL | #![warn(clippy::ref_in_deref)] + | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::needless_borrow` -error: lint `clippy::invalid_atomic_ordering` has been renamed to `invalid_atomic_ordering` +error: lint `clippy::result_expect_used` has been renamed to `clippy::expect_used` --> tests/ui/rename.rs:121:9 | -LL | #![warn(clippy::invalid_atomic_ordering)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_atomic_ordering` +LL | #![warn(clippy::result_expect_used)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` -error: lint `clippy::invalid_ref` has been renamed to `invalid_value` +error: lint `clippy::result_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` --> tests/ui/rename.rs:122:9 | -LL | #![warn(clippy::invalid_ref)] - | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_value` +LL | #![warn(clippy::result_map_unwrap_or_else)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` -error: lint `clippy::invalid_utf8_in_unchecked` has been renamed to `invalid_from_utf8_unchecked` +error: lint `clippy::result_unwrap_used` has been renamed to `clippy::unwrap_used` --> tests/ui/rename.rs:123:9 | -LL | #![warn(clippy::invalid_utf8_in_unchecked)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_from_utf8_unchecked` +LL | #![warn(clippy::result_unwrap_used)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` -error: lint `clippy::let_underscore_drop` has been renamed to `let_underscore_drop` +error: lint `clippy::reverse_range_loop` has been renamed to `clippy::reversed_empty_ranges` --> tests/ui/rename.rs:124:9 | -LL | #![warn(clippy::let_underscore_drop)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `let_underscore_drop` +LL | #![warn(clippy::reverse_range_loop)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::reversed_empty_ranges` -error: lint `clippy::maybe_misused_cfg` has been renamed to `unexpected_cfgs` +error: lint `clippy::single_char_push_str` has been renamed to `clippy::single_char_add_str` --> tests/ui/rename.rs:125:9 | -LL | #![warn(clippy::maybe_misused_cfg)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unexpected_cfgs` +LL | #![warn(clippy::single_char_push_str)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::single_char_add_str` -error: lint `clippy::mem_discriminant_non_enum` has been renamed to `enum_intrinsics_non_enums` +error: lint `clippy::stutter` has been renamed to `clippy::module_name_repetitions` --> tests/ui/rename.rs:126:9 | -LL | #![warn(clippy::mem_discriminant_non_enum)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `enum_intrinsics_non_enums` +LL | #![warn(clippy::stutter)] + | ^^^^^^^^^^^^^^^ help: use the new name: `clippy::module_name_repetitions` -error: lint `clippy::mismatched_target_os` has been renamed to `unexpected_cfgs` +error: lint `clippy::temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries` --> tests/ui/rename.rs:127:9 | -LL | #![warn(clippy::mismatched_target_os)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unexpected_cfgs` +LL | #![warn(clippy::temporary_cstring_as_ptr)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries` -error: lint `clippy::panic_params` has been renamed to `non_fmt_panics` +error: lint `clippy::thread_local_initializer_can_be_made_const` has been renamed to `clippy::missing_const_for_thread_local` --> tests/ui/rename.rs:128:9 | -LL | #![warn(clippy::panic_params)] - | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics` +LL | #![warn(clippy::thread_local_initializer_can_be_made_const)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::missing_const_for_thread_local` -error: lint `clippy::positional_named_format_parameters` has been renamed to `named_arguments_used_positionally` +error: lint `clippy::to_string_in_display` has been renamed to `clippy::recursive_format_impl` --> tests/ui/rename.rs:129:9 | -LL | #![warn(clippy::positional_named_format_parameters)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `named_arguments_used_positionally` +LL | #![warn(clippy::to_string_in_display)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::recursive_format_impl` -error: lint `clippy::temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries` +error: lint `clippy::transmute_float_to_int` has been renamed to `unnecessary_transmutes` --> tests/ui/rename.rs:130:9 | -LL | #![warn(clippy::temporary_cstring_as_ptr)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries` +LL | #![warn(clippy::transmute_float_to_int)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` -error: lint `clippy::undropped_manually_drops` has been renamed to `undropped_manually_drops` +error: lint `clippy::transmute_int_to_char` has been renamed to `unnecessary_transmutes` --> tests/ui/rename.rs:131:9 | -LL | #![warn(clippy::undropped_manually_drops)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `undropped_manually_drops` +LL | #![warn(clippy::transmute_int_to_char)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` -error: lint `clippy::unknown_clippy_lints` has been renamed to `unknown_lints` +error: lint `clippy::transmute_int_to_float` has been renamed to `unnecessary_transmutes` --> tests/ui/rename.rs:132:9 | -LL | #![warn(clippy::unknown_clippy_lints)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unknown_lints` +LL | #![warn(clippy::transmute_int_to_float)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` -error: lint `clippy::unused_label` has been renamed to `unused_labels` +error: lint `clippy::transmute_num_to_bytes` has been renamed to `unnecessary_transmutes` --> tests/ui/rename.rs:133:9 | -LL | #![warn(clippy::unused_label)] - | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_labels` +LL | #![warn(clippy::transmute_num_to_bytes)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` -error: lint `clippy::vtable_address_comparisons` has been renamed to `ambiguous_wide_pointer_comparisons` +error: lint `clippy::undropped_manually_drops` has been renamed to `undropped_manually_drops` --> tests/ui/rename.rs:134:9 | -LL | #![warn(clippy::vtable_address_comparisons)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `ambiguous_wide_pointer_comparisons` +LL | #![warn(clippy::undropped_manually_drops)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `undropped_manually_drops` -error: lint `clippy::reverse_range_loop` has been renamed to `clippy::reversed_empty_ranges` +error: lint `clippy::unknown_clippy_lints` has been renamed to `unknown_lints` --> tests/ui/rename.rs:135:9 | -LL | #![warn(clippy::reverse_range_loop)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::reversed_empty_ranges` +LL | #![warn(clippy::unknown_clippy_lints)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unknown_lints` -error: lint `clippy::transmute_int_to_float` has been renamed to `unnecessary_transmutes` +error: lint `clippy::unused_label` has been renamed to `unused_labels` --> tests/ui/rename.rs:136:9 | -LL | #![warn(clippy::transmute_int_to_float)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` +LL | #![warn(clippy::unused_label)] + | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_labels` -error: lint `clippy::transmute_int_to_char` has been renamed to `unnecessary_transmutes` +error: lint `clippy::unwrap_or_else_default` has been renamed to `clippy::unwrap_or_default` --> tests/ui/rename.rs:137:9 | -LL | #![warn(clippy::transmute_int_to_char)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` +LL | #![warn(clippy::unwrap_or_else_default)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_or_default` -error: lint `clippy::transmute_float_to_int` has been renamed to `unnecessary_transmutes` +error: lint `clippy::vtable_address_comparisons` has been renamed to `ambiguous_wide_pointer_comparisons` --> tests/ui/rename.rs:138:9 | -LL | #![warn(clippy::transmute_float_to_int)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` +LL | #![warn(clippy::vtable_address_comparisons)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `ambiguous_wide_pointer_comparisons` -error: lint `clippy::transmute_num_to_bytes` has been renamed to `unnecessary_transmutes` +error: lint `clippy::zero_width_space` has been renamed to `clippy::invisible_characters` --> tests/ui/rename.rs:139:9 | -LL | #![warn(clippy::transmute_num_to_bytes)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` +LL | #![warn(clippy::zero_width_space)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::invisible_characters` error: aborting due to 73 previous errors diff --git a/src/tools/clippy/tests/ui/same_functions_in_if_condition.rs b/src/tools/clippy/tests/ui/same_functions_in_if_condition.rs index a98b73c9e1c..3f205b322ab 100644 --- a/src/tools/clippy/tests/ui/same_functions_in_if_condition.rs +++ b/src/tools/clippy/tests/ui/same_functions_in_if_condition.rs @@ -31,34 +31,34 @@ fn ifs_same_cond_fn() { let obj = Struct; if function() { - } else if function() { //~^ same_functions_in_if_condition + } else if function() { } if fn_arg(a) { - } else if fn_arg(a) { //~^ same_functions_in_if_condition + } else if fn_arg(a) { } if obj.method() { - } else if obj.method() { //~^ same_functions_in_if_condition + } else if obj.method() { } if obj.method_arg(a) { - } else if obj.method_arg(a) { //~^ same_functions_in_if_condition + } else if obj.method_arg(a) { } let mut v = vec![1]; if v.pop().is_none() { - } else if v.pop().is_none() { //~^ same_functions_in_if_condition + } else if v.pop().is_none() { } if v.len() == 42 { - } else if v.len() == 42 { //~^ same_functions_in_if_condition + } else if v.len() == 42 { } if v.len() == 1 { diff --git a/src/tools/clippy/tests/ui/same_functions_in_if_condition.stderr b/src/tools/clippy/tests/ui/same_functions_in_if_condition.stderr index 35dcbadce59..59f4511757d 100644 --- a/src/tools/clippy/tests/ui/same_functions_in_if_condition.stderr +++ b/src/tools/clippy/tests/ui/same_functions_in_if_condition.stderr @@ -1,79 +1,62 @@ -error: this `if` has the same function call as a previous `if` - --> tests/ui/same_functions_in_if_condition.rs:34:15 - | -LL | } else if function() { - | ^^^^^^^^^^ - | -note: same as this +error: these `if` branches have the same function call --> tests/ui/same_functions_in_if_condition.rs:33:8 | LL | if function() { | ^^^^^^^^^^ +LL | +LL | } else if function() { + | ^^^^^^^^^^ + | note: the lint level is defined here --> tests/ui/same_functions_in_if_condition.rs:2:9 | LL | #![deny(clippy::same_functions_in_if_condition)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: this `if` has the same function call as a previous `if` - --> tests/ui/same_functions_in_if_condition.rs:39:15 - | -LL | } else if fn_arg(a) { - | ^^^^^^^^^ - | -note: same as this +error: these `if` branches have the same function call --> tests/ui/same_functions_in_if_condition.rs:38:8 | LL | if fn_arg(a) { | ^^^^^^^^^ +LL | +LL | } else if fn_arg(a) { + | ^^^^^^^^^ -error: this `if` has the same function call as a previous `if` - --> tests/ui/same_functions_in_if_condition.rs:44:15 - | -LL | } else if obj.method() { - | ^^^^^^^^^^^^ - | -note: same as this +error: these `if` branches have the same function call --> tests/ui/same_functions_in_if_condition.rs:43:8 | LL | if obj.method() { | ^^^^^^^^^^^^ +LL | +LL | } else if obj.method() { + | ^^^^^^^^^^^^ -error: this `if` has the same function call as a previous `if` - --> tests/ui/same_functions_in_if_condition.rs:49:15 - | -LL | } else if obj.method_arg(a) { - | ^^^^^^^^^^^^^^^^^ - | -note: same as this +error: these `if` branches have the same function call --> tests/ui/same_functions_in_if_condition.rs:48:8 | LL | if obj.method_arg(a) { | ^^^^^^^^^^^^^^^^^ - -error: this `if` has the same function call as a previous `if` - --> tests/ui/same_functions_in_if_condition.rs:55:15 - | -LL | } else if v.pop().is_none() { +LL | +LL | } else if obj.method_arg(a) { | ^^^^^^^^^^^^^^^^^ - | -note: same as this + +error: these `if` branches have the same function call --> tests/ui/same_functions_in_if_condition.rs:54:8 | LL | if v.pop().is_none() { | ^^^^^^^^^^^^^^^^^ +LL | +LL | } else if v.pop().is_none() { + | ^^^^^^^^^^^^^^^^^ -error: this `if` has the same function call as a previous `if` - --> tests/ui/same_functions_in_if_condition.rs:60:15 - | -LL | } else if v.len() == 42 { - | ^^^^^^^^^^^^^ - | -note: same as this +error: these `if` branches have the same function call --> tests/ui/same_functions_in_if_condition.rs:59:8 | LL | if v.len() == 42 { | ^^^^^^^^^^^^^ +LL | +LL | } else if v.len() == 42 { + | ^^^^^^^^^^^^^ error: aborting due to 6 previous errors diff --git a/src/tools/clippy/tests/ui/single_range_in_vec_init.rs b/src/tools/clippy/tests/ui/single_range_in_vec_init.rs index c6c0cb347dc..25884450b08 100644 --- a/src/tools/clippy/tests/ui/single_range_in_vec_init.rs +++ b/src/tools/clippy/tests/ui/single_range_in_vec_init.rs @@ -1,6 +1,6 @@ //@aux-build:proc_macros.rs //@no-rustfix: overlapping suggestions -#![allow(clippy::no_effect, clippy::useless_vec, unused)] +#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::useless_vec, unused)] #![warn(clippy::single_range_in_vec_init)] #![feature(generic_arg_infer)] diff --git a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.fixed b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.fixed new file mode 100644 index 00000000000..af7d82130f0 --- /dev/null +++ b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.fixed @@ -0,0 +1,179 @@ +//@normalize-stderr-test: "\(\d+ byte\)" -> "(N byte)" +//@normalize-stderr-test: "\(limit: \d+ byte\)" -> "(limit: N byte)" +#![deny(clippy::trivially_copy_pass_by_ref)] +#![allow( + clippy::disallowed_names, + clippy::extra_unused_lifetimes, + clippy::needless_lifetimes, + clippy::needless_pass_by_ref_mut, + clippy::redundant_field_names, + clippy::uninlined_format_args +)] + +#[derive(Copy, Clone)] +struct Foo(u32); + +#[derive(Copy, Clone)] +struct Bar([u8; 24]); + +#[derive(Copy, Clone)] +pub struct Color { + pub r: u8, + pub g: u8, + pub b: u8, + pub a: u8, +} + +struct FooRef<'a> { + foo: &'a Foo, +} + +type Baz = u32; + +fn good(a: &mut u32, b: u32, c: &Bar) {} + +fn good_return_implicit_lt_ref(foo: &Foo) -> &u32 { + &foo.0 +} + +#[allow(clippy::needless_lifetimes)] +fn good_return_explicit_lt_ref<'a>(foo: &'a Foo) -> &'a u32 { + &foo.0 +} + +fn good_return_implicit_lt_struct(foo: &Foo) -> FooRef { + FooRef { foo } +} + +#[allow(clippy::needless_lifetimes)] +fn good_return_explicit_lt_struct<'a>(foo: &'a Foo) -> FooRef<'a> { + FooRef { foo } +} + +fn bad(x: u32, y: Foo, z: Baz) {} +//~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by +//~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by +//~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + +impl Foo { + fn good(self, a: &mut u32, b: u32, c: &Bar) {} + + fn good2(&mut self) {} + + fn bad(self, x: u32, y: Foo, z: Baz) {} + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + + fn bad2(x: u32, y: Foo, z: Baz) {} + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + + fn bad_issue7518(self, other: Self) {} + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if +} + +impl AsRef<u32> for Foo { + fn as_ref(&self) -> &u32 { + &self.0 + } +} + +impl Bar { + fn good(&self, a: &mut u32, b: u32, c: &Bar) {} + + fn bad2(x: u32, y: Foo, z: Baz) {} + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if + //~| ERROR: this argument (4 byte) is passed by reference, but would be more efficient if +} + +trait MyTrait { + fn trait_method(&self, foo: Foo); + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if +} + +pub trait MyTrait2 { + fn trait_method2(&self, color: &Color); +} + +trait MyTrait3 { + #[expect(clippy::trivially_copy_pass_by_ref)] + fn trait_method(&self, foo: &Foo); +} + +// Trait impls should not warn +impl MyTrait3 for Foo { + fn trait_method(&self, foo: &Foo) { + unimplemented!() + } +} + +mod issue3992 { + pub trait A { + #[allow(clippy::trivially_copy_pass_by_ref)] + fn a(b: &u16) {} + } + + #[allow(clippy::trivially_copy_pass_by_ref)] + pub fn c(d: &u16) {} +} + +mod issue5876 { + // Don't lint here as it is always inlined + #[inline(always)] + fn foo_always(x: &i32) { + println!("{}", x); + } + + #[inline(never)] + fn foo_never(x: i32) { + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + println!("{}", x); + } + + #[inline] + fn foo(x: i32) { + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + println!("{}", x); + } +} + +fn ref_to_opt_ref_implicit(x: &u32) -> Option<&u32> { + Some(x) +} + +fn ref_to_opt_ref_explicit<'a>(x: &'a u32) -> Option<&'a u32> { + Some(x) +} + +fn with_constraint<'a, 'b: 'a>(x: &'b u32, y: &'a u32) -> &'a u32 { + if true { x } else { y } +} + +async fn async_implicit(x: &u32) -> &u32 { + x +} + +async fn async_explicit<'a>(x: &'a u32) -> &'a u32 { + x +} + +fn unrelated_lifetimes<'a, 'b>(_x: u32, y: &'b u32) -> &'b u32 { + //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by + y +} + +fn return_ptr(x: &u32) -> *const u32 { + x +} + +fn return_field_ptr(x: &(u32, u32)) -> *const u32 { + &x.0 +} + +fn return_field_ptr_addr_of(x: &(u32, u32)) -> *const u32 { + core::ptr::addr_of!(x.0) +} diff --git a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.rs b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.rs index 37bc6f89a20..00e11a1ea28 100644 --- a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.rs +++ b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.rs @@ -1,14 +1,15 @@ //@normalize-stderr-test: "\(\d+ byte\)" -> "(N byte)" -//@normalize-stderr-test: "\(limit: \d+ byte\)" -> "(limit: 8 byte)" +//@normalize-stderr-test: "\(limit: \d+ byte\)" -> "(limit: N byte)" #![deny(clippy::trivially_copy_pass_by_ref)] #![allow( clippy::disallowed_names, + clippy::extra_unused_lifetimes, clippy::needless_lifetimes, + clippy::needless_pass_by_ref_mut, clippy::redundant_field_names, - clippy::uninlined_format_args, - clippy::needless_pass_by_ref_mut + clippy::uninlined_format_args )] -//@no-rustfix + #[derive(Copy, Clone)] struct Foo(u32); @@ -90,21 +91,26 @@ impl Bar { } trait MyTrait { - fn trait_method(&self, _foo: &Foo); + fn trait_method(&self, foo: &Foo); //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if } pub trait MyTrait2 { - fn trait_method2(&self, _color: &Color); + fn trait_method2(&self, color: &Color); +} + +trait MyTrait3 { + #[expect(clippy::trivially_copy_pass_by_ref)] + fn trait_method(&self, foo: &Foo); } -impl MyTrait for Foo { - fn trait_method(&self, _foo: &Foo) { +// Trait impls should not warn +impl MyTrait3 for Foo { + fn trait_method(&self, foo: &Foo) { unimplemented!() } } -#[allow(unused_variables)] mod issue3992 { pub trait A { #[allow(clippy::trivially_copy_pass_by_ref)] @@ -135,57 +141,39 @@ mod issue5876 { } } -fn _ref_to_opt_ref_implicit(x: &u32) -> Option<&u32> { +fn ref_to_opt_ref_implicit(x: &u32) -> Option<&u32> { Some(x) } -#[allow(clippy::needless_lifetimes)] -fn _ref_to_opt_ref_explicit<'a>(x: &'a u32) -> Option<&'a u32> { +fn ref_to_opt_ref_explicit<'a>(x: &'a u32) -> Option<&'a u32> { Some(x) } -fn _with_constraint<'a, 'b: 'a>(x: &'b u32, y: &'a u32) -> &'a u32 { +fn with_constraint<'a, 'b: 'a>(x: &'b u32, y: &'a u32) -> &'a u32 { if true { x } else { y } } -async fn _async_implicit(x: &u32) -> &u32 { +async fn async_implicit(x: &u32) -> &u32 { x } -#[allow(clippy::needless_lifetimes)] -async fn _async_explicit<'a>(x: &'a u32) -> &'a u32 { +async fn async_explicit<'a>(x: &'a u32) -> &'a u32 { x } -fn _unrelated_lifetimes<'a, 'b>(_x: &'a u32, y: &'b u32) -> &'b u32 { +fn unrelated_lifetimes<'a, 'b>(_x: &'a u32, y: &'b u32) -> &'b u32 { //~^ ERROR: this argument (4 byte) is passed by reference, but would be more efficient if passed by y } -fn _return_ptr(x: &u32) -> *const u32 { +fn return_ptr(x: &u32) -> *const u32 { x } -fn _return_field_ptr(x: &(u32, u32)) -> *const u32 { +fn return_field_ptr(x: &(u32, u32)) -> *const u32 { &x.0 } -fn _return_field_ptr_addr_of(x: &(u32, u32)) -> *const u32 { +fn return_field_ptr_addr_of(x: &(u32, u32)) -> *const u32 { core::ptr::addr_of!(x.0) } - -fn main() { - let (mut foo, bar) = (Foo(0), Bar([0; 24])); - let (mut a, b, c, x, y, z) = (0, 0, Bar([0; 24]), 0, Foo(0), 0); - good(&mut a, b, &c); - good_return_implicit_lt_ref(&y); - good_return_explicit_lt_ref(&y); - bad(&x, &y, &z); - foo.good(&mut a, b, &c); - foo.good2(); - foo.bad(&x, &y, &z); - Foo::bad2(&x, &y, &z); - bar.good(&mut a, b, &c); - Bar::bad2(&x, &y, &z); - foo.as_ref(); -} diff --git a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr index e813fecf653..f101ac5ccd6 100644 --- a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr +++ b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr @@ -1,5 +1,5 @@ -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:52:11 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:53:11 | LL | fn bad(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `u32` @@ -10,107 +10,107 @@ note: the lint level is defined here LL | #![deny(clippy::trivially_copy_pass_by_ref)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:52:20 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:53:20 | LL | fn bad(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Foo` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:52:29 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:53:29 | LL | fn bad(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Baz` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:62:12 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:63:12 | LL | fn bad(&self, x: &u32, y: &Foo, z: &Baz) {} | ^^^^^ help: consider passing by value instead: `self` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:62:22 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:63:22 | LL | fn bad(&self, x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `u32` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:62:31 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:63:31 | LL | fn bad(&self, x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Foo` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:62:40 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:63:40 | LL | fn bad(&self, x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Baz` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:68:16 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:69:16 | LL | fn bad2(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `u32` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:68:25 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:69:25 | LL | fn bad2(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Foo` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:68:34 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:69:34 | LL | fn bad2(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Baz` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:73:35 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:74:35 | LL | fn bad_issue7518(self, other: &Self) {} | ^^^^^ help: consider passing by value instead: `Self` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:86:16 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:87:16 | LL | fn bad2(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `u32` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:86:25 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:87:25 | LL | fn bad2(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Foo` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:86:34 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:87:34 | LL | fn bad2(x: &u32, y: &Foo, z: &Baz) {} | ^^^^ help: consider passing by value instead: `Baz` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:93:34 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:94:33 | -LL | fn trait_method(&self, _foo: &Foo); - | ^^^^ help: consider passing by value instead: `Foo` +LL | fn trait_method(&self, foo: &Foo); + | ^^^^ help: consider passing by value instead: `Foo` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:126:21 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:132:21 | LL | fn foo_never(x: &i32) { | ^^^^ help: consider passing by value instead: `i32` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:132:15 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:138:15 | LL | fn foo(x: &i32) { | ^^^^ help: consider passing by value instead: `i32` -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte) - --> tests/ui/trivially_copy_pass_by_ref.rs:160:37 +error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) + --> tests/ui/trivially_copy_pass_by_ref.rs:164:36 | -LL | fn _unrelated_lifetimes<'a, 'b>(_x: &'a u32, y: &'b u32) -> &'b u32 { - | ^^^^^^^ help: consider passing by value instead: `u32` +LL | fn unrelated_lifetimes<'a, 'b>(_x: &'a u32, y: &'b u32) -> &'b u32 { + | ^^^^^^^ help: consider passing by value instead: `u32` error: aborting due to 18 previous errors diff --git a/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed b/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed index b064a8b8f46..316eac0b58b 100644 --- a/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed +++ b/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed @@ -675,3 +675,9 @@ mod issue_14242 { rc_slice_provider().to_vec().into_iter() } } + +fn issue14833() { + use std::collections::HashSet; + let mut s = HashSet::<&String>::new(); + s.remove(&"hello".to_owned()); +} diff --git a/src/tools/clippy/tests/ui/unnecessary_to_owned.rs b/src/tools/clippy/tests/ui/unnecessary_to_owned.rs index 7954a4ad4ce..f2dbd1db3c9 100644 --- a/src/tools/clippy/tests/ui/unnecessary_to_owned.rs +++ b/src/tools/clippy/tests/ui/unnecessary_to_owned.rs @@ -675,3 +675,9 @@ mod issue_14242 { rc_slice_provider().to_vec().into_iter() } } + +fn issue14833() { + use std::collections::HashSet; + let mut s = HashSet::<&String>::new(); + s.remove(&"hello".to_owned()); +} diff --git a/src/tools/clippy/tests/ui/unnecessary_wraps.stderr b/src/tools/clippy/tests/ui/unnecessary_wraps.stderr index ba562f5a50b..13d71271e21 100644 --- a/src/tools/clippy/tests/ui/unnecessary_wraps.stderr +++ b/src/tools/clippy/tests/ui/unnecessary_wraps.stderr @@ -1,13 +1,8 @@ error: this function's return value is unnecessarily wrapped by `Option` --> tests/ui/unnecessary_wraps.rs:9:1 | -LL | / fn func1(a: bool, b: bool) -> Option<i32> { -LL | | -LL | | -LL | | if a && b { -... | -LL | | } - | |_^ +LL | fn func1(a: bool, b: bool) -> Option<i32> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::unnecessary-wraps` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::unnecessary_wraps)]` @@ -16,7 +11,7 @@ help: remove `Option` from the return type... LL - fn func1(a: bool, b: bool) -> Option<i32> { LL + fn func1(a: bool, b: bool) -> i32 { | -help: ...and then change returning expressions +help: ...and then remove the surrounding `Some()` from returning expressions | LL ~ return 42; LL | } @@ -30,21 +25,15 @@ LL ~ return 1337; error: this function's return value is unnecessarily wrapped by `Option` --> tests/ui/unnecessary_wraps.rs:24:1 | -LL | / fn func2(a: bool, b: bool) -> Option<i32> { -LL | | -LL | | -LL | | if a && b { -... | -LL | | if a { Some(20) } else { Some(30) } -LL | | } - | |_^ +LL | fn func2(a: bool, b: bool) -> Option<i32> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: remove `Option` from the return type... | LL - fn func2(a: bool, b: bool) -> Option<i32> { LL + fn func2(a: bool, b: bool) -> i32 { | -help: ...and then change returning expressions +help: ...and then remove the surrounding `Some()` from returning expressions | LL ~ return 10; LL | } @@ -54,19 +43,15 @@ LL ~ if a { 20 } else { 30 } error: this function's return value is unnecessarily wrapped by `Option` --> tests/ui/unnecessary_wraps.rs:44:1 | -LL | / fn func5() -> Option<i32> { -LL | | -LL | | -LL | | Some(1) -LL | | } - | |_^ +LL | fn func5() -> Option<i32> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ | help: remove `Option` from the return type... | LL - fn func5() -> Option<i32> { LL + fn func5() -> i32 { | -help: ...and then change returning expressions +help: ...and then remove the surrounding `Some()` from returning expressions | LL - Some(1) LL + 1 @@ -75,19 +60,15 @@ LL + 1 error: this function's return value is unnecessarily wrapped by `Result` --> tests/ui/unnecessary_wraps.rs:56:1 | -LL | / fn func7() -> Result<i32, ()> { -LL | | -LL | | -LL | | Ok(1) -LL | | } - | |_^ +LL | fn func7() -> Result<i32, ()> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: remove `Result` from the return type... | LL - fn func7() -> Result<i32, ()> { LL + fn func7() -> i32 { | -help: ...and then change returning expressions +help: ...and then remove the surrounding `Ok()` from returning expressions | LL - Ok(1) LL + 1 @@ -96,19 +77,15 @@ LL + 1 error: this function's return value is unnecessarily wrapped by `Option` --> tests/ui/unnecessary_wraps.rs:86:5 | -LL | / fn func12() -> Option<i32> { -LL | | -LL | | -LL | | Some(1) -LL | | } - | |_____^ +LL | fn func12() -> Option<i32> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: remove `Option` from the return type... | LL - fn func12() -> Option<i32> { LL + fn func12() -> i32 { | -help: ...and then change returning expressions +help: ...and then remove the surrounding `Some()` from returning expressions | LL - Some(1) LL + 1 @@ -117,13 +94,8 @@ LL + 1 error: this function's return value is unnecessary --> tests/ui/unnecessary_wraps.rs:115:1 | -LL | / fn issue_6640_1(a: bool, b: bool) -> Option<()> { -LL | | -LL | | -LL | | if a && b { -... | -LL | | } - | |_^ +LL | fn issue_6640_1(a: bool, b: bool) -> Option<()> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: remove the return type... | @@ -144,13 +116,8 @@ LL ~ return ; error: this function's return value is unnecessary --> tests/ui/unnecessary_wraps.rs:130:1 | -LL | / fn issue_6640_2(a: bool, b: bool) -> Result<(), i32> { -LL | | -LL | | -LL | | if a && b { -... | -LL | | } - | |_^ +LL | fn issue_6640_2(a: bool, b: bool) -> Result<(), i32> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: remove the return type... | diff --git a/src/tools/clippy/tests/ui/useless_asref.fixed b/src/tools/clippy/tests/ui/useless_asref.fixed index 8c1f948fb58..3c3ea5a736d 100644 --- a/src/tools/clippy/tests/ui/useless_asref.fixed +++ b/src/tools/clippy/tests/ui/useless_asref.fixed @@ -248,6 +248,16 @@ impl Issue12357 { } } +fn issue_14828() { + pub trait T { + fn as_ref(&self) {} + } + + impl T for () {} + + ().as_ref(); +} + fn main() { not_ok(); ok(); diff --git a/src/tools/clippy/tests/ui/useless_asref.rs b/src/tools/clippy/tests/ui/useless_asref.rs index d9db2d4f559..c173dd67715 100644 --- a/src/tools/clippy/tests/ui/useless_asref.rs +++ b/src/tools/clippy/tests/ui/useless_asref.rs @@ -248,6 +248,16 @@ impl Issue12357 { } } +fn issue_14828() { + pub trait T { + fn as_ref(&self) {} + } + + impl T for () {} + + ().as_ref(); +} + fn main() { not_ok(); ok(); diff --git a/src/tools/clippy/tests/ui/useless_concat.fixed b/src/tools/clippy/tests/ui/useless_concat.fixed new file mode 100644 index 00000000000..360b6f6ce82 --- /dev/null +++ b/src/tools/clippy/tests/ui/useless_concat.fixed @@ -0,0 +1,41 @@ +//@aux-build:proc_macros.rs + +#![warn(clippy::useless_concat)] +#![allow(clippy::print_literal)] + +extern crate proc_macros; +use proc_macros::{external, with_span}; + +macro_rules! my_concat { + ($fmt:literal $(, $e:expr)*) => { + println!(concat!("ERROR: ", $fmt), $($e,)*); + } +} + +fn main() { + let x = ""; //~ useless_concat + let x = "c"; //~ useless_concat + let x = "\""; //~ useless_concat + let x = "true"; //~ useless_concat + let x = "1"; //~ useless_concat + let x = "1.0000"; //~ useless_concat + let x = "1"; //~ useless_concat + let x = "1"; //~ useless_concat + let x = "1.0000"; //~ useless_concat + let x = "1.0000"; //~ useless_concat + let x = "a😀\n"; //~ useless_concat + let x = "a"; //~ useless_concat + let x = "1"; //~ useless_concat + println!("b: {}", "a"); //~ useless_concat + // Should not lint. + let x = concat!("a", "b"); + let local_i32 = 1; + my_concat!("{}", local_i32); + let x = concat!(file!(), "#L", line!()); + + external! { concat!(); } + with_span! { + span + concat!(); + } +} diff --git a/src/tools/clippy/tests/ui/useless_concat.rs b/src/tools/clippy/tests/ui/useless_concat.rs new file mode 100644 index 00000000000..338d20a48ae --- /dev/null +++ b/src/tools/clippy/tests/ui/useless_concat.rs @@ -0,0 +1,41 @@ +//@aux-build:proc_macros.rs + +#![warn(clippy::useless_concat)] +#![allow(clippy::print_literal)] + +extern crate proc_macros; +use proc_macros::{external, with_span}; + +macro_rules! my_concat { + ($fmt:literal $(, $e:expr)*) => { + println!(concat!("ERROR: ", $fmt), $($e,)*); + } +} + +fn main() { + let x = concat!(); //~ useless_concat + let x = concat!('c'); //~ useless_concat + let x = concat!('"'); //~ useless_concat + let x = concat!(true); //~ useless_concat + let x = concat!(1f32); //~ useless_concat + let x = concat!(1.0000f32); //~ useless_concat + let x = concat!(1_f32); //~ useless_concat + let x = concat!(1_); //~ useless_concat + let x = concat!(1.0000_f32); //~ useless_concat + let x = concat!(1.0000_); //~ useless_concat + let x = concat!("a\u{1f600}\n"); //~ useless_concat + let x = concat!(r##"a"##); //~ useless_concat + let x = concat!(1); //~ useless_concat + println!("b: {}", concat!("a")); //~ useless_concat + // Should not lint. + let x = concat!("a", "b"); + let local_i32 = 1; + my_concat!("{}", local_i32); + let x = concat!(file!(), "#L", line!()); + + external! { concat!(); } + with_span! { + span + concat!(); + } +} diff --git a/src/tools/clippy/tests/ui/useless_concat.stderr b/src/tools/clippy/tests/ui/useless_concat.stderr new file mode 100644 index 00000000000..43d6d9ff579 --- /dev/null +++ b/src/tools/clippy/tests/ui/useless_concat.stderr @@ -0,0 +1,89 @@ +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:16:13 + | +LL | let x = concat!(); + | ^^^^^^^^^ help: replace with: `""` + | + = note: `-D clippy::useless-concat` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::useless_concat)]` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:17:13 + | +LL | let x = concat!('c'); + | ^^^^^^^^^^^^ help: replace with: `"c"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:18:13 + | +LL | let x = concat!('"'); + | ^^^^^^^^^^^^ help: replace with: `"\""` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:19:13 + | +LL | let x = concat!(true); + | ^^^^^^^^^^^^^ help: replace with: `"true"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:20:13 + | +LL | let x = concat!(1f32); + | ^^^^^^^^^^^^^ help: replace with: `"1"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:21:13 + | +LL | let x = concat!(1.0000f32); + | ^^^^^^^^^^^^^^^^^^ help: replace with: `"1.0000"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:22:13 + | +LL | let x = concat!(1_f32); + | ^^^^^^^^^^^^^^ help: replace with: `"1"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:23:13 + | +LL | let x = concat!(1_); + | ^^^^^^^^^^^ help: replace with: `"1"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:24:13 + | +LL | let x = concat!(1.0000_f32); + | ^^^^^^^^^^^^^^^^^^^ help: replace with: `"1.0000"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:25:13 + | +LL | let x = concat!(1.0000_); + | ^^^^^^^^^^^^^^^^ help: replace with: `"1.0000"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:26:13 + | +LL | let x = concat!("a\u{1f600}\n"); + | ^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `"a😀\n"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:27:13 + | +LL | let x = concat!(r##"a"##); + | ^^^^^^^^^^^^^^^^^ help: replace with: `"a"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:28:13 + | +LL | let x = concat!(1); + | ^^^^^^^^^^ help: replace with: `"1"` + +error: unneeded use of `concat!` macro + --> tests/ui/useless_concat.rs:29:23 + | +LL | println!("b: {}", concat!("a")); + | ^^^^^^^^^^^^ help: replace with: `"a"` + +error: aborting due to 14 previous errors + diff --git a/src/tools/clippy/tests/ui/useless_conversion.fixed b/src/tools/clippy/tests/ui/useless_conversion.fixed index 489caacf212..ad30c94f347 100644 --- a/src/tools/clippy/tests/ui/useless_conversion.fixed +++ b/src/tools/clippy/tests/ui/useless_conversion.fixed @@ -427,3 +427,18 @@ mod issue11819 { } } } + +fn issue14739() { + use std::ops::Range; + + const R: Range<u32> = 2..7; + + R.into_iter().all(|_x| true); // no lint + + R.into_iter().any(|_x| true); // no lint + + R.for_each(|_x| {}); + //~^ useless_conversion + let _ = R.map(|_x| 0); + //~^ useless_conversion +} diff --git a/src/tools/clippy/tests/ui/useless_conversion.rs b/src/tools/clippy/tests/ui/useless_conversion.rs index 4f3a3b00ea2..505afb34000 100644 --- a/src/tools/clippy/tests/ui/useless_conversion.rs +++ b/src/tools/clippy/tests/ui/useless_conversion.rs @@ -427,3 +427,18 @@ mod issue11819 { } } } + +fn issue14739() { + use std::ops::Range; + + const R: Range<u32> = 2..7; + + R.into_iter().all(|_x| true); // no lint + + R.into_iter().any(|_x| true); // no lint + + R.into_iter().for_each(|_x| {}); + //~^ useless_conversion + let _ = R.into_iter().map(|_x| 0); + //~^ useless_conversion +} diff --git a/src/tools/clippy/tests/ui/useless_conversion.stderr b/src/tools/clippy/tests/ui/useless_conversion.stderr index 3cde2a786e4..3bfaf1411c2 100644 --- a/src/tools/clippy/tests/ui/useless_conversion.stderr +++ b/src/tools/clippy/tests/ui/useless_conversion.stderr @@ -377,5 +377,17 @@ LL - takes_into_iter(self.my_field.into_iter()); LL + takes_into_iter(&mut *self.my_field); | -error: aborting due to 41 previous errors +error: useless conversion to the same type: `std::ops::Range<u32>` + --> tests/ui/useless_conversion.rs:440:5 + | +LL | R.into_iter().for_each(|_x| {}); + | ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `R` + +error: useless conversion to the same type: `std::ops::Range<u32>` + --> tests/ui/useless_conversion.rs:442:13 + | +LL | let _ = R.into_iter().map(|_x| 0); + | ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `R` + +error: aborting due to 43 previous errors diff --git a/src/tools/clippy/tests/ui/while_let_loop.rs b/src/tools/clippy/tests/ui/while_let_loop.rs index d591ab984cf..95062c9f46c 100644 --- a/src/tools/clippy/tests/ui/while_let_loop.rs +++ b/src/tools/clippy/tests/ui/while_let_loop.rs @@ -154,3 +154,89 @@ fn issue_5715(mut m: core::cell::RefCell<Option<u32>>) { m = core::cell::RefCell::new(Some(x + 1)); } } + +mod issue_362 { + pub fn merge_sorted<T>(xs: Vec<T>, ys: Vec<T>) -> Vec<T> + where + T: PartialOrd, + { + let total_len = xs.len() + ys.len(); + let mut res = Vec::with_capacity(total_len); + let mut ix = xs.into_iter().peekable(); + let mut iy = ys.into_iter().peekable(); + loop { + //~^ while_let_loop + let lt = match (ix.peek(), iy.peek()) { + (Some(x), Some(y)) => x < y, + _ => break, + }; + res.push(if lt { &mut ix } else { &mut iy }.next().unwrap()); + } + res.extend(ix); + res.extend(iy); + res + } +} + +fn let_assign() { + loop { + //~^ while_let_loop + let x = if let Some(y) = Some(3) { + y + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x: u32 = if let Some(y) = Some(3) { + y + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x = if let Some(x) = Some(3) { + x + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x: u32 = if let Some(x) = Some(3) { + x + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x = if let Some(x) = Some(2) { + let t = 1; + t + x + } else { + break; + }; + if x == 3 { + break; + } + } +} diff --git a/src/tools/clippy/tests/ui/while_let_loop.stderr b/src/tools/clippy/tests/ui/while_let_loop.stderr index bd482857e67..ed42628a53e 100644 --- a/src/tools/clippy/tests/ui/while_let_loop.stderr +++ b/src/tools/clippy/tests/ui/while_let_loop.stderr @@ -57,7 +57,125 @@ LL | | let (e, l) = match "".split_whitespace().next() { ... | LL | | let _ = (e, l); LL | | } - | |_____^ help: try: `while let Some(word) = "".split_whitespace().next() { .. }` + | |_____^ + | +help: try + | +LL ~ while let Some(word) = "".split_whitespace().next() { +LL + let (e, l) = (word.is_empty(), word.len()); +LL + .. +LL + } + | + +error: this loop could be written as a `while let` loop + --> tests/ui/while_let_loop.rs:167:9 + | +LL | / loop { +LL | | +LL | | let lt = match (ix.peek(), iy.peek()) { +LL | | (Some(x), Some(y)) => x < y, +... | +LL | | res.push(if lt { &mut ix } else { &mut iy }.next().unwrap()); +LL | | } + | |_________^ + | +help: try + | +LL ~ while let (Some(x), Some(y)) = (ix.peek(), iy.peek()) { +LL + let lt = x < y; +LL + .. +LL + } + | + +error: this loop could be written as a `while let` loop + --> tests/ui/while_let_loop.rs:182:5 + | +LL | / loop { +LL | | +LL | | let x = if let Some(y) = Some(3) { +LL | | y +... | +LL | | } + | |_____^ + | +help: try + | +LL ~ while let Some(y) = Some(3) { +LL + let x = y; +LL + .. +LL + } + | + +error: this loop could be written as a `while let` loop + --> tests/ui/while_let_loop.rs:194:5 + | +LL | / loop { +LL | | +LL | | let x: u32 = if let Some(y) = Some(3) { +LL | | y +... | +LL | | } + | |_____^ + | +help: try + | +LL ~ while let Some(y) = Some(3) { +LL + let x: u32 = y; +LL + .. +LL + } + | + +error: this loop could be written as a `while let` loop + --> tests/ui/while_let_loop.rs:206:5 + | +LL | / loop { +LL | | +LL | | let x = if let Some(x) = Some(3) { +LL | | x +... | +LL | | } + | |_____^ help: try: `while let Some(x) = Some(3) { .. }` + +error: this loop could be written as a `while let` loop + --> tests/ui/while_let_loop.rs:218:5 + | +LL | / loop { +LL | | +LL | | let x: u32 = if let Some(x) = Some(3) { +LL | | x +... | +LL | | } + | |_____^ + | +help: try + | +LL ~ while let Some(x) = Some(3) { +LL + let x: u32 = x; +LL + .. +LL + } + | + +error: this loop could be written as a `while let` loop + --> tests/ui/while_let_loop.rs:230:5 + | +LL | / loop { +LL | | +LL | | let x = if let Some(x) = Some(2) { +LL | | let t = 1; +... | +LL | | } + | |_____^ + | +help: try + | +LL ~ while let Some(x) = Some(2) { +LL + let x = { +LL + let t = 1; +LL + t + x +LL + }; +LL + .. +LL + } + | -error: aborting due to 5 previous errors +error: aborting due to 11 previous errors diff --git a/src/tools/clippy/tests/ui/zero_sized_hashmap_values.rs b/src/tools/clippy/tests/ui/zero_sized_hashmap_values.rs index 4beeef421f3..dcbfd16843d 100644 --- a/src/tools/clippy/tests/ui/zero_sized_hashmap_values.rs +++ b/src/tools/clippy/tests/ui/zero_sized_hashmap_values.rs @@ -71,6 +71,27 @@ fn test2(map: HashMap<String, usize>, key: &str) -> HashMap<String, usize> { todo!(); } +fn issue14822() { + trait Trait { + type T; + } + struct S<T: Trait>(T::T); + + // The `delay_bug` happens when evaluating the pointer metadata of `S<T>` which depends on + // whether `T::T` is `Sized`. Since the type alias doesn't have a trait bound of `T: Trait` + // evaluating `T::T: Sized` ultimately fails with `NoSolution`. + type A<T> = HashMap<u32, *const S<T>>; + type B<T> = HashMap<u32, S<T>>; + + enum E {} + impl Trait for E { + type T = (); + } + type C = HashMap<u32, *const S<E>>; + type D = HashMap<u32, S<E>>; + //~^ zero_sized_map_values +} + fn main() { let _: HashMap<String, ()> = HashMap::new(); //~^ zero_sized_map_values diff --git a/src/tools/clippy/tests/ui/zero_sized_hashmap_values.stderr b/src/tools/clippy/tests/ui/zero_sized_hashmap_values.stderr index ed8536acfe8..d29491fa05c 100644 --- a/src/tools/clippy/tests/ui/zero_sized_hashmap_values.stderr +++ b/src/tools/clippy/tests/ui/zero_sized_hashmap_values.stderr @@ -81,7 +81,15 @@ LL | fn test(map: HashMap<String, ()>, key: &str) -> HashMap<String, ()> { = help: consider using a set instead error: map with zero-sized value type - --> tests/ui/zero_sized_hashmap_values.rs:75:34 + --> tests/ui/zero_sized_hashmap_values.rs:91:14 + | +LL | type D = HashMap<u32, S<E>>; + | ^^^^^^^^^^^^^^^^^^ + | + = help: consider using a set instead + +error: map with zero-sized value type + --> tests/ui/zero_sized_hashmap_values.rs:96:34 | LL | let _: HashMap<String, ()> = HashMap::new(); | ^^^^^^^ @@ -89,7 +97,7 @@ LL | let _: HashMap<String, ()> = HashMap::new(); = help: consider using a set instead error: map with zero-sized value type - --> tests/ui/zero_sized_hashmap_values.rs:75:12 + --> tests/ui/zero_sized_hashmap_values.rs:96:12 | LL | let _: HashMap<String, ()> = HashMap::new(); | ^^^^^^^^^^^^^^^^^^^ @@ -97,12 +105,12 @@ LL | let _: HashMap<String, ()> = HashMap::new(); = help: consider using a set instead error: map with zero-sized value type - --> tests/ui/zero_sized_hashmap_values.rs:81:12 + --> tests/ui/zero_sized_hashmap_values.rs:102:12 | LL | let _: HashMap<_, _> = std::iter::empty::<(String, ())>().collect(); | ^^^^^^^^^^^^^ | = help: consider using a set instead -error: aborting due to 13 previous errors +error: aborting due to 14 previous errors diff --git a/src/tools/clippy/triagebot.toml b/src/tools/clippy/triagebot.toml index eb2f9f9dd61..16557a4bebb 100644 --- a/src/tools/clippy/triagebot.toml +++ b/src/tools/clippy/triagebot.toml @@ -1,7 +1,7 @@ [relabel] allow-unauthenticated = [ "A-*", "C-*", "E-*", "I-*", "L-*", "P-*", "S-*", "T-*", - "good-first-issue", "beta-nominated" + "good first issue", "beta-nominated" ] # Allows shortcuts like `@rustbot ready` @@ -45,6 +45,7 @@ contributing_url = "https://github.com/rust-lang/rust-clippy/blob/master/CONTRIB users_on_vacation = [ "matthiaskrgr", "Manishearth", + "blyxyas", ] [assign.owners] diff --git a/src/tools/clippy/util/gh-pages/index_template.html b/src/tools/clippy/util/gh-pages/index_template.html index 19dc1ec0b0c..865b9523c39 100644 --- a/src/tools/clippy/util/gh-pages/index_template.html +++ b/src/tools/clippy/util/gh-pages/index_template.html @@ -50,7 +50,7 @@ Otherwise, have a great day =^.^= <div class="container"> {# #} <div class="page-header"> {# #} - <h1>Clippy Lints</h1> {# #} + <h1>Clippy Lints <span id="lint-count" class="badge"></span></h1> {# #} </div> {# #} <noscript> {# #} diff --git a/src/tools/clippy/util/gh-pages/script.js b/src/tools/clippy/util/gh-pages/script.js index c942a6a05a1..fec883938d6 100644 --- a/src/tools/clippy/util/gh-pages/script.js +++ b/src/tools/clippy/util/gh-pages/script.js @@ -71,6 +71,7 @@ window.searchState = { } else { window.location.hash = ''; } + updateLintCount(); }, }; @@ -598,3 +599,14 @@ generateSearch(); parseURLFilters(); scrollToLintByURL(); filters.filterLints(); +updateLintCount(); + +function updateLintCount() { + const allLints = filters.getAllLints(); + const totalLints = allLints.length; + + const countElement = document.getElementById("lint-count"); + if (countElement) { + countElement.innerText = `Total number: ${totalLints}`; + } +} diff --git a/src/tools/compiletest/Cargo.toml b/src/tools/compiletest/Cargo.toml index 93f7b1cb7cf..3b544d8b828 100644 --- a/src/tools/compiletest/Cargo.toml +++ b/src/tools/compiletest/Cargo.toml @@ -37,7 +37,7 @@ libc = "0.2" miow = "0.6" [target.'cfg(windows)'.dependencies.windows] -version = "0.59.0" +version = "0.61.0" features = [ "Win32_Foundation", "Win32_System_Diagnostics_Debug", diff --git a/src/tools/generate-copyright/Cargo.toml b/src/tools/generate-copyright/Cargo.toml index ab76d0fc01e..e420a450d42 100644 --- a/src/tools/generate-copyright/Cargo.toml +++ b/src/tools/generate-copyright/Cargo.toml @@ -8,7 +8,7 @@ description = "Produces a manifest of all the copyrighted materials in the Rust [dependencies] anyhow = "1.0.65" -askama = "0.13.0" +askama = "0.14.0" cargo_metadata = "0.18.1" serde = { version = "1.0.147", features = ["derive"] } serde_json = "1.0.85" diff --git a/src/tools/generate-copyright/src/cargo_metadata.rs b/src/tools/generate-copyright/src/cargo_metadata.rs index b717bd53eb1..3fae26bda47 100644 --- a/src/tools/generate-copyright/src/cargo_metadata.rs +++ b/src/tools/generate-copyright/src/cargo_metadata.rs @@ -46,11 +46,12 @@ pub struct PackageMetadata { /// covered it already. pub fn get_metadata_and_notices( cargo: &Path, + cargo_home_path: &Path, vendor_path: &Path, root_path: &Path, manifest_paths: &[PathBuf], ) -> Result<BTreeMap<Package, PackageMetadata>, Error> { - let mut output = get_metadata(cargo, root_path, manifest_paths)?; + let mut output = get_metadata(cargo, cargo_home_path, root_path, manifest_paths)?; // Now for each dependency we found, go and grab any important looking files for (package, metadata) in output.iter_mut() { @@ -66,6 +67,7 @@ pub fn get_metadata_and_notices( /// assume `reuse` has covered it already. pub fn get_metadata( cargo: &Path, + cargo_home_path: &Path, root_path: &Path, manifest_paths: &[PathBuf], ) -> Result<BTreeMap<Package, PackageMetadata>, Error> { @@ -81,8 +83,11 @@ pub fn get_metadata( .manifest_path(manifest_path) .exec()?; for package in metadata.packages { - let manifest_path = package.manifest_path.as_path(); - if manifest_path.starts_with(root_path) { + let package_manifest_path = package.manifest_path.as_path(); + + if package_manifest_path.starts_with(root_path) + && !package_manifest_path.starts_with(cargo_home_path) + { // it's an in-tree dependency and reuse covers it continue; } diff --git a/src/tools/generate-copyright/src/main.rs b/src/tools/generate-copyright/src/main.rs index d6ed7261b7c..5497db1f5f3 100644 --- a/src/tools/generate-copyright/src/main.rs +++ b/src/tools/generate-copyright/src/main.rs @@ -15,6 +15,7 @@ mod cargo_metadata; /// /// Run `x.py run generate-copyright` fn main() -> Result<(), Error> { + let cargo_home = env_path("CARGO_HOME")?; let dest_file = env_path("DEST")?; let libstd_dest_file = env_path("DEST_LIBSTD")?; let src_dir = env_path("SRC_DIR")?; @@ -39,11 +40,17 @@ fn main() -> Result<(), Error> { .collect::<Vec<_>>(); // Scan Cargo dependencies - let mut collected_cargo_metadata = - cargo_metadata::get_metadata_and_notices(&cargo, &vendor_dir, &src_dir, &cargo_manifests)?; + let mut collected_cargo_metadata = cargo_metadata::get_metadata_and_notices( + &cargo, + &cargo_home, + &vendor_dir, + &src_dir, + &cargo_manifests, + )?; let library_collected_cargo_metadata = cargo_metadata::get_metadata_and_notices( &cargo, + &cargo_home, &vendor_dir, &src_dir, &library_manifests, diff --git a/src/tools/lint-docs/Cargo.toml b/src/tools/lint-docs/Cargo.toml index 3578bda8276..f1ffda75ac0 100644 --- a/src/tools/lint-docs/Cargo.toml +++ b/src/tools/lint-docs/Cargo.toml @@ -7,6 +7,7 @@ description = "A script to extract the lint documentation for the rustc book." # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] +rustc-literal-escaper = "0.0.2" serde_json = "1.0.57" tempfile = "3.1.0" walkdir = "2.3.1" diff --git a/src/tools/lint-docs/src/lib.rs b/src/tools/lint-docs/src/lib.rs index cacce01675f..6bb18c2bced 100644 --- a/src/tools/lint-docs/src/lib.rs +++ b/src/tools/lint-docs/src/lib.rs @@ -4,6 +4,7 @@ use std::fs; use std::path::{Path, PathBuf}; use std::process::Command; +use rustc_literal_escaper::{Mode, unescape_unicode}; use walkdir::WalkDir; mod groups; @@ -214,6 +215,16 @@ impl<'a> LintExtractor<'a> { let line = line.trim(); if let Some(text) = line.strip_prefix("/// ") { doc_lines.push(text.to_string()); + } else if let Some(text) = line.strip_prefix("#[doc = \"") { + let escaped = text.strip_suffix("\"]").unwrap(); + let mut buf = String::new(); + unescape_unicode(escaped, Mode::Str, &mut |_, c| match c { + Ok(c) => buf.push(c), + Err(err) => { + assert!(!err.is_fatal(), "failed to unescape string literal") + } + }); + doc_lines.push(buf); } else if line == "///" { doc_lines.push("".to_string()); } else if line.starts_with("// ") { diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md index b692ddab4ff..de521393cd0 100644 --- a/src/tools/miri/README.md +++ b/src/tools/miri/README.md @@ -218,7 +218,7 @@ degree documented below): make no promises and we don't run tests for such targets. - We have unofficial support (not maintained by the Miri team itself) for some further operating systems. - `solaris` / `illumos`: maintained by @devnexen. Supports the entire test suite. - - `freebsd`: maintained by @YohDeadfall. Supports `std::env` and parts of `std::{thread, fs}`, but not `std::sync`. + - `freebsd`: maintained by @YohDeadfall and @LorrensP-2158466. Supports the entire test suite. - `android`: **maintainer wanted**. Support very incomplete, but a basic "hello world" works. - `wasi`: **maintainer wanted**. Support very incomplete, not even standard output works, but an empty `main` function works. - For targets on other operating systems, Miri might fail before even reaching the `main` function. @@ -580,6 +580,7 @@ Definite bugs found: * [Weak-memory-induced memory leak in Windows thread-local storage](https://github.com/rust-lang/rust/pull/124281) * [A bug in the new `RwLock::downgrade` implementation](https://rust-lang.zulipchat.com/#narrow/channel/269128-miri/topic/Miri.20error.20library.20test) (caught by Miri before it landed in the Rust repo) * [Mockall reading unintialized memory when mocking `std::io::Read::read`, even if all expectations are satisfied](https://github.com/asomers/mockall/issues/647) (caught by Miri running Tokio's test suite) +* [`ReentrantLock` not correctly dealing with reuse of addresses for TLS storage of different threads](https://github.com/rust-lang/rust/pull/141248) Violations of [Stacked Borrows] found that are likely bugs (but Stacked Borrows is currently just an experiment): diff --git a/src/tools/miri/cargo-miri/Cargo.lock b/src/tools/miri/cargo-miri/Cargo.lock index bd4ca2860f3..c1915ae617e 100644 --- a/src/tools/miri/cargo-miri/Cargo.lock +++ b/src/tools/miri/cargo-miri/Cargo.lock @@ -208,9 +208,9 @@ dependencies = [ [[package]] name = "rustc-build-sysroot" -version = "0.5.4" +version = "0.5.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d6d984a9db43148467059309bd1e5ad577085162f695d9fe2cf3543aeb25cd38" +checksum = "10edc2e4393515193bd766e2f6c050b0536a68e56f2b6d56c07ababfdc114ff0" dependencies = [ "anyhow", "rustc_version", diff --git a/src/tools/miri/cargo-miri/Cargo.toml b/src/tools/miri/cargo-miri/Cargo.toml index 23048914af1..5c579b2a77d 100644 --- a/src/tools/miri/cargo-miri/Cargo.toml +++ b/src/tools/miri/cargo-miri/Cargo.toml @@ -18,7 +18,7 @@ directories = "6" rustc_version = "0.4" serde_json = "1.0.40" cargo_metadata = "0.19" -rustc-build-sysroot = "0.5.4" +rustc-build-sysroot = "0.5.7" # Enable some feature flags that dev-dependencies need but dependencies # do not. This makes `./miri install` after `./miri build` faster. diff --git a/src/tools/miri/cargo-miri/src/phases.rs b/src/tools/miri/cargo-miri/src/phases.rs index 171e157789d..a5e019a8ea9 100644 --- a/src/tools/miri/cargo-miri/src/phases.rs +++ b/src/tools/miri/cargo-miri/src/phases.rs @@ -90,7 +90,7 @@ pub fn phase_cargo_miri(mut args: impl Iterator<Item = String>) { "`cargo miri` supports the following subcommands: `run`, `test`, `nextest`, `clean`, and `setup`." ), }; - let verbose = num_arg_flag("-v"); + let verbose = num_arg_flag("-v") + num_arg_flag("--verbose"); let quiet = has_arg_flag("-q") || has_arg_flag("--quiet"); // Determine the involved architectures. @@ -176,8 +176,11 @@ pub fn phase_cargo_miri(mut args: impl Iterator<Item = String>) { // Set `--target-dir` to `miri` inside the original target directory. let target_dir = get_target_dir(&metadata); cmd.arg("--target-dir").arg(target_dir); - // Enable cross-target doctests (for consistency between different cargo versions). - cmd.arg("-Zdoctest-xcompile"); + // Only when running in x.py (where we are running with beta cargo): set `RUSTC_STAGE`. + // Will have to be removed on next bootstrap bump. tag: cfg(bootstrap). + if env::var_os("RUSTC_STAGE").is_some() { + cmd.arg("-Zdoctest-xcompile"); + } // *After* we set all the flags that need setting, forward everything else. Make sure to skip // `--target-dir` (which would otherwise be set twice). diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 755e02d02ec..8941af681a4 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -142,12 +142,12 @@ case $HOST_TARGET in # Host GC_STRESS=1 MIR_OPT=1 MANY_SEEDS=64 TEST_BENCH=1 CARGO_MIRI_ENV=1 run_tests # Extra tier 1 - # With reduced many-seed count to avoid spending too much time on that. - # (All OSes and ABIs are run with 64 seeds at least once though via the macOS runner.) - MANY_SEEDS=16 TEST_TARGET=i686-unknown-linux-gnu run_tests - MANY_SEEDS=16 TEST_TARGET=aarch64-unknown-linux-gnu run_tests - MANY_SEEDS=16 TEST_TARGET=x86_64-apple-darwin run_tests - MANY_SEEDS=16 TEST_TARGET=x86_64-pc-windows-gnu run_tests + MANY_SEEDS=64 TEST_TARGET=i686-unknown-linux-gnu run_tests + MANY_SEEDS=64 TEST_TARGET=aarch64-unknown-linux-gnu run_tests + MANY_SEEDS=64 TEST_TARGET=x86_64-apple-darwin run_tests + MANY_SEEDS=64 TEST_TARGET=x86_64-pc-windows-gnu run_tests + # Extra tier 1 candidate + MANY_SEEDS=64 TEST_TARGET=aarch64-pc-windows-msvc run_tests ;; aarch64-apple-darwin) # Host @@ -156,16 +156,18 @@ case $HOST_TARGET in MANY_SEEDS=64 TEST_TARGET=i686-pc-windows-gnu run_tests MANY_SEEDS=64 TEST_TARGET=x86_64-pc-windows-msvc CARGO_MIRI_ENV=1 run_tests # Extra tier 2 - TEST_TARGET=arm-unknown-linux-gnueabi run_tests - TEST_TARGET=s390x-unknown-linux-gnu run_tests # big-endian architecture of choice + MANY_SEEDS=16 TEST_TARGET=arm-unknown-linux-gnueabi run_tests # 32bit ARM + MANY_SEEDS=16 TEST_TARGET=aarch64-pc-windows-gnullvm run_tests # gnullvm ABI + MANY_SEEDS=16 TEST_TARGET=s390x-unknown-linux-gnu run_tests # big-endian architecture of choice # Not officially supported tier 2 - TEST_TARGET=x86_64-unknown-illumos run_tests - TEST_TARGET=x86_64-pc-solaris run_tests + MANY_SEEDS=16 TEST_TARGET=mips-unknown-linux-gnu run_tests # a 32bit big-endian target, and also a target without 64bit atomics + MANY_SEEDS=16 TEST_TARGET=x86_64-unknown-illumos run_tests + MANY_SEEDS=16 TEST_TARGET=x86_64-pc-solaris run_tests + MANY_SEEDS=16 TEST_TARGET=x86_64-unknown-freebsd run_tests + MANY_SEEDS=16 TEST_TARGET=i686-unknown-freebsd run_tests # Partially supported targets (tier 2) BASIC="empty_main integer heap_alloc libc-mem vec string btreemap" # ensures we have the basics: pre-main code, system allocator UNIX="hello panic/panic panic/unwind concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there - TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC $UNIX time hashmap random thread sync concurrency fs libc-pipe - TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC $UNIX time hashmap random thread sync concurrency fs libc-pipe TEST_TARGET=aarch64-linux-android run_tests_minimal $BASIC $UNIX time hashmap random thread sync concurrency epoll eventfd TEST_TARGET=wasm32-wasip2 run_tests_minimal $BASIC wasm TEST_TARGET=wasm32-unknown-unknown run_tests_minimal no_std empty_main wasm # this target doesn't really have std @@ -177,7 +179,7 @@ case $HOST_TARGET in # Host # Without GC_STRESS and with reduced many-seeds count as this is the slowest runner. # (The macOS runner checks windows-msvc with full many-seeds count.) - MIR_OPT=1 MANY_SEEDS=16 TEST_BENCH=1 run_tests + MIR_OPT=1 MANY_SEEDS=64 TEST_BENCH=1 run_tests # Extra tier 1 # We really want to ensure a Linux target works on a Windows host, # and a 64bit target works on a 32bit host. diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs index 3b7b159aeab..86362145d47 100644 --- a/src/tools/miri/miri-script/src/commands.rs +++ b/src/tools/miri/miri-script/src/commands.rs @@ -1,4 +1,4 @@ -use std::collections::HashMap; +use std::collections::BTreeMap; use std::ffi::{OsStr, OsString}; use std::fmt::Write as _; use std::fs::{self, File}; @@ -404,7 +404,28 @@ impl Command { // We want to forward the host stdin so apparently we cannot use `cmd!`. let mut cmd = process::Command::new("git"); cmd.arg("rebase").arg(&base).arg("--interactive"); - cmd.env("GIT_SEQUENCE_EDITOR", env::current_exe()?); + let current_exe = { + if cfg!(windows) { + // Apparently git-for-Windows gets confused by backslashes if we just use + // `current_exe()` here. So replace them by forward slashes if this is not a "magic" + // path starting with "\\". This is clearly a git bug but we work around it here. + // Also see <https://github.com/rust-lang/miri/issues/4340>. + let bin = env::current_exe()?; + match bin.into_os_string().into_string() { + Err(not_utf8) => not_utf8.into(), // :shrug: + Ok(str) => { + if str.starts_with(r"\\") { + str.into() // don't touch these magic paths, they must use backslashes + } else { + str.replace('\\', "/").into() + } + } + } + } else { + env::current_exe()? + } + }; + cmd.env("GIT_SEQUENCE_EDITOR", current_exe); cmd.env("MIRI_SCRIPT_IS_GIT_SEQUENCE_EDITOR", "1"); cmd.current_dir(sh.current_dir()); let result = cmd.status()?; @@ -489,7 +510,9 @@ impl Command { sh.read_dir(benches_dir)? .into_iter() .filter(|path| path.is_dir()) - .map(|path| path.into_os_string().into_string().unwrap()) + // Only keep the basename: that matches the usage with a manual bench list, + // and it ensure the path concatenations below work as intended. + .map(|path| path.file_name().unwrap().to_owned().into_string().unwrap()) .collect() } else { benches.into_iter().collect() @@ -530,14 +553,16 @@ impl Command { stddev: f64, } - let gather_results = || -> Result<HashMap<&str, BenchResult>> { + let gather_results = || -> Result<BTreeMap<&str, BenchResult>> { let baseline_temp_dir = results_json_dir.unwrap(); - let mut results = HashMap::new(); + let mut results = BTreeMap::new(); for bench in &benches { - let result = File::open(path!(baseline_temp_dir / format!("{bench}.bench.json")))?; - let mut result: serde_json::Value = - serde_json::from_reader(BufReader::new(result))?; - let result: BenchResult = serde_json::from_value(result["results"][0].take())?; + let result = File::open(path!(baseline_temp_dir / format!("{bench}.bench.json"))) + .context("failed to read hyperfine JSON")?; + let mut result: serde_json::Value = serde_json::from_reader(BufReader::new(result)) + .context("failed to parse hyperfine JSON")?; + let result: BenchResult = serde_json::from_value(result["results"][0].take()) + .context("failed to interpret hyperfine JSON")?; results.insert(bench as &str, result); } Ok(results) @@ -549,15 +574,15 @@ impl Command { serde_json::to_writer_pretty(BufWriter::new(baseline), &results)?; } else if let Some(baseline_file) = load_baseline { let new_results = gather_results()?; - let baseline_results: HashMap<String, BenchResult> = { + let baseline_results: BTreeMap<String, BenchResult> = { let f = File::open(baseline_file)?; serde_json::from_reader(BufReader::new(f))? }; println!( "Comparison with baseline (relative speed, lower is better for the new results):" ); - for (bench, new_result) in new_results.iter() { - let Some(baseline_result) = baseline_results.get(*bench) else { continue }; + for (bench, new_result) in new_results { + let Some(baseline_result) = baseline_results.get(bench) else { continue }; // Compare results (inspired by hyperfine) let ratio = new_result.mean / baseline_result.mean; diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 79abbfaeaf1..553d410b2bc 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -a69bc17fb8026bdc0d24bb1896ff95f0eba1da4e +337c11e5932275e7d450c1f2e26f289f0ddfa717 diff --git a/src/tools/miri/src/alloc_bytes.rs b/src/tools/miri/src/alloc/alloc_bytes.rs index 69ede279aa9..2a253952b27 100644 --- a/src/tools/miri/src/alloc_bytes.rs +++ b/src/tools/miri/src/alloc/alloc_bytes.rs @@ -1,10 +1,23 @@ use std::alloc::Layout; use std::borrow::Cow; use std::{alloc, slice}; +#[cfg(target_os = "linux")] +use std::{cell::RefCell, rc::Rc}; use rustc_abi::{Align, Size}; use rustc_middle::mir::interpret::AllocBytes; +#[cfg(target_os = "linux")] +use crate::alloc::isolated_alloc::IsolatedAlloc; +use crate::helpers::ToU64 as _; + +#[derive(Clone, Debug)] +pub enum MiriAllocParams { + Global, + #[cfg(target_os = "linux")] + Isolated(Rc<RefCell<IsolatedAlloc>>), +} + /// Allocation bytes that explicitly handle the layout of the data they're storing. /// This is necessary to interface with native code that accesses the program store in Miri. #[derive(Debug)] @@ -16,13 +29,16 @@ pub struct MiriAllocBytes { /// * If `self.layout.size() == 0`, then `self.ptr` was allocated with the equivalent layout with size 1. /// * Otherwise, `self.ptr` points to memory allocated with `self.layout`. ptr: *mut u8, + /// Whether this instance of `MiriAllocBytes` had its allocation created by calling `alloc::alloc()` + /// (`Global`) or the discrete allocator (`Isolated`) + params: MiriAllocParams, } impl Clone for MiriAllocBytes { fn clone(&self) -> Self { let bytes: Cow<'_, [u8]> = Cow::Borrowed(self); - let align = Align::from_bytes(self.layout.align().try_into().unwrap()).unwrap(); - MiriAllocBytes::from_bytes(bytes, align) + let align = Align::from_bytes(self.layout.align().to_u64()).unwrap(); + MiriAllocBytes::from_bytes(bytes, align, self.params.clone()) } } @@ -35,8 +51,16 @@ impl Drop for MiriAllocBytes { } else { self.layout }; + // SAFETY: Invariant, `self.ptr` points to memory allocated with `self.layout`. - unsafe { alloc::dealloc(self.ptr, alloc_layout) } + unsafe { + match self.params.clone() { + MiriAllocParams::Global => alloc::dealloc(self.ptr, alloc_layout), + #[cfg(target_os = "linux")] + MiriAllocParams::Isolated(alloc) => + alloc.borrow_mut().dealloc(self.ptr, alloc_layout), + } + } } } @@ -65,7 +89,8 @@ impl MiriAllocBytes { fn alloc_with( size: u64, align: u64, - alloc_fn: impl FnOnce(Layout) -> *mut u8, + params: MiriAllocParams, + alloc_fn: impl FnOnce(Layout, &MiriAllocParams) -> *mut u8, ) -> Result<MiriAllocBytes, ()> { let size = usize::try_from(size).map_err(|_| ())?; let align = usize::try_from(align).map_err(|_| ())?; @@ -73,24 +98,36 @@ impl MiriAllocBytes { // When size is 0 we allocate 1 byte anyway, to ensure each allocation has a unique address. let alloc_layout = if size == 0 { Layout::from_size_align(1, align).unwrap() } else { layout }; - let ptr = alloc_fn(alloc_layout); + let ptr = alloc_fn(alloc_layout, ¶ms); if ptr.is_null() { Err(()) } else { // SAFETY: All `MiriAllocBytes` invariants are fulfilled. - Ok(Self { ptr, layout }) + Ok(Self { ptr, layout, params }) } } } impl AllocBytes for MiriAllocBytes { - fn from_bytes<'a>(slice: impl Into<Cow<'a, [u8]>>, align: Align) -> Self { + type AllocParams = MiriAllocParams; + + fn from_bytes<'a>( + slice: impl Into<Cow<'a, [u8]>>, + align: Align, + params: MiriAllocParams, + ) -> Self { let slice = slice.into(); let size = slice.len(); let align = align.bytes(); // SAFETY: `alloc_fn` will only be used with `size != 0`. - let alloc_fn = |layout| unsafe { alloc::alloc(layout) }; - let alloc_bytes = MiriAllocBytes::alloc_with(size.try_into().unwrap(), align, alloc_fn) + let alloc_fn = |layout, params: &MiriAllocParams| unsafe { + match params { + MiriAllocParams::Global => alloc::alloc(layout), + #[cfg(target_os = "linux")] + MiriAllocParams::Isolated(alloc) => alloc.borrow_mut().alloc(layout), + } + }; + let alloc_bytes = MiriAllocBytes::alloc_with(size.to_u64(), align, params, alloc_fn) .unwrap_or_else(|()| { panic!("Miri ran out of memory: cannot create allocation of {size} bytes") }); @@ -100,12 +137,18 @@ impl AllocBytes for MiriAllocBytes { alloc_bytes } - fn zeroed(size: Size, align: Align) -> Option<Self> { + fn zeroed(size: Size, align: Align, params: MiriAllocParams) -> Option<Self> { let size = size.bytes(); let align = align.bytes(); // SAFETY: `alloc_fn` will only be used with `size != 0`. - let alloc_fn = |layout| unsafe { alloc::alloc_zeroed(layout) }; - MiriAllocBytes::alloc_with(size, align, alloc_fn).ok() + let alloc_fn = |layout, params: &MiriAllocParams| unsafe { + match params { + MiriAllocParams::Global => alloc::alloc_zeroed(layout), + #[cfg(target_os = "linux")] + MiriAllocParams::Isolated(alloc) => alloc.borrow_mut().alloc_zeroed(layout), + } + }; + MiriAllocBytes::alloc_with(size, align, params, alloc_fn).ok() } fn as_mut_ptr(&mut self) -> *mut u8 { diff --git a/src/tools/miri/src/alloc/isolated_alloc.rs b/src/tools/miri/src/alloc/isolated_alloc.rs new file mode 100644 index 00000000000..7b74d171373 --- /dev/null +++ b/src/tools/miri/src/alloc/isolated_alloc.rs @@ -0,0 +1,389 @@ +use std::alloc::{self, Layout}; + +use rustc_index::bit_set::DenseBitSet; + +/// How many bytes of memory each bit in the bitset represents. +const COMPRESSION_FACTOR: usize = 4; + +/// A dedicated allocator for interpreter memory contents, ensuring they are stored on dedicated +/// pages (not mixed with Miri's own memory). This is used in native-lib mode. +#[derive(Debug)] +pub struct IsolatedAlloc { + /// Pointers to page-aligned memory that has been claimed by the allocator. + /// Every pointer here must point to a page-sized allocation claimed via + /// the global allocator. These pointers are used for "small" allocations. + page_ptrs: Vec<*mut u8>, + /// Metadata about which bytes have been allocated on each page. The length + /// of this vector must be the same as that of `page_ptrs`, and the domain + /// size of the bitset must be exactly `page_size / COMPRESSION_FACTOR`. + /// + /// Conceptually, each bit of the bitset represents the allocation status of + /// one n-byte chunk on the corresponding element of `page_ptrs`. Thus, + /// indexing into it should be done with a value one-nth of the corresponding + /// offset on the matching `page_ptrs` element (n = `COMPRESSION_FACTOR`). + page_infos: Vec<DenseBitSet<usize>>, + /// Pointers to multiple-page-sized allocations. These must also be page-aligned, + /// with their size stored as the second element of the vector. + huge_ptrs: Vec<(*mut u8, usize)>, + /// The host (not emulated) page size. + page_size: usize, +} + +impl IsolatedAlloc { + /// Creates an empty allocator. + pub fn new() -> Self { + Self { + page_ptrs: Vec::new(), + huge_ptrs: Vec::new(), + page_infos: Vec::new(), + // SAFETY: `sysconf(_SC_PAGESIZE)` is always safe to call at runtime + // See https://www.man7.org/linux/man-pages/man3/sysconf.3.html + page_size: unsafe { libc::sysconf(libc::_SC_PAGESIZE).try_into().unwrap() }, + } + } + + /// For simplicity, we serve small allocations in multiples of COMPRESSION_FACTOR + /// bytes with at least that alignment. + #[inline] + fn normalized_layout(layout: Layout) -> Layout { + let align = + if layout.align() < COMPRESSION_FACTOR { COMPRESSION_FACTOR } else { layout.align() }; + let size = layout.size().next_multiple_of(COMPRESSION_FACTOR); + Layout::from_size_align(size, align).unwrap() + } + + /// Returns the layout used to allocate the pages that hold small allocations. + #[inline] + fn page_layout(&self) -> Layout { + Layout::from_size_align(self.page_size, self.page_size).unwrap() + } + + /// If the allocation is greater than a page, then round to the nearest page #. + #[inline] + fn huge_normalized_layout(layout: Layout, page_size: usize) -> Layout { + // Allocate in page-sized chunks + let size = layout.size().next_multiple_of(page_size); + // And make sure the align is at least one page + let align = std::cmp::max(layout.align(), page_size); + Layout::from_size_align(size, align).unwrap() + } + + /// Determined whether a given normalized (size, align) should be sent to + /// `alloc_huge` / `dealloc_huge`. + #[inline] + fn is_huge_alloc(&self, layout: &Layout) -> bool { + layout.align() > self.page_size / 2 || layout.size() >= self.page_size / 2 + } + + /// Allocates memory as described in `Layout`. This memory should be deallocated + /// by calling `dealloc` on this same allocator. + /// + /// SAFETY: See `alloc::alloc()` + pub unsafe fn alloc(&mut self, layout: Layout) -> *mut u8 { + // SAFETY: Upheld by caller + unsafe { self.allocate(layout, false) } + } + + /// Same as `alloc`, but zeroes out the memory. + /// + /// SAFETY: See `alloc::alloc_zeroed()` + pub unsafe fn alloc_zeroed(&mut self, layout: Layout) -> *mut u8 { + // SAFETY: Upheld by caller + unsafe { self.allocate(layout, true) } + } + + /// Abstracts over the logic of `alloc_zeroed` vs `alloc`, as determined by + /// the `zeroed` argument. + /// + /// SAFETY: See `alloc::alloc()`, with the added restriction that `page_size` + /// corresponds to the host pagesize. + unsafe fn allocate(&mut self, layout: Layout, zeroed: bool) -> *mut u8 { + let layout = IsolatedAlloc::normalized_layout(layout); + if self.is_huge_alloc(&layout) { + // SAFETY: Validity of `layout` upheld by caller; we checked that + // the size and alignment are appropriate for being a huge alloc + unsafe { self.alloc_huge(layout, zeroed) } + } else { + for (&mut page, pinfo) in std::iter::zip(&mut self.page_ptrs, &mut self.page_infos) { + // SAFETY: The value in `self.page_size` is used to allocate + // `page`, with page alignment + if let Some(ptr) = + unsafe { Self::alloc_small(self.page_size, layout, page, pinfo, zeroed) } + { + return ptr; + } + } + + // We get here only if there's no space in our existing pages + let page_size = self.page_size; + // Add another page and allocate from it; this cannot fail since the + // new page is empty and we already asserted it fits into a page + let (page, pinfo) = self.add_page(); + + // SAFETY: See comment on `alloc_from_page` above + unsafe { Self::alloc_small(page_size, layout, page, pinfo, zeroed).unwrap() } + } + } + + /// Used internally by `allocate` to abstract over some logic. + /// + /// SAFETY: `page` must be a page-aligned pointer to an allocated page, + /// where the allocation is (at least) `page_size` bytes. + unsafe fn alloc_small( + page_size: usize, + layout: Layout, + page: *mut u8, + pinfo: &mut DenseBitSet<usize>, + zeroed: bool, + ) -> Option<*mut u8> { + // Check every alignment-sized block and see if there exists a `size` + // chunk of empty space i.e. forall idx . !pinfo.contains(idx / n) + for offset in (0..page_size).step_by(layout.align()) { + let offset_pinfo = offset / COMPRESSION_FACTOR; + let size_pinfo = layout.size() / COMPRESSION_FACTOR; + // DenseBitSet::contains() panics if the index is out of bounds + if pinfo.domain_size() < offset_pinfo + size_pinfo { + break; + } + // FIXME: is there a more efficient way to check whether the entire range is unset + // in the bitset? + let range_avail = !(offset_pinfo..offset_pinfo + size_pinfo).any(|i| pinfo.contains(i)); + if range_avail { + pinfo.insert_range(offset_pinfo..offset_pinfo + size_pinfo); + // SAFETY: We checked the available bytes after `idx` in the call + // to `domain_size` above and asserted there are at least `idx + + // layout.size()` bytes available and unallocated after it. + // `page` must point to the start of the page, so adding `idx` + // is safe per the above. + unsafe { + let ptr = page.add(offset); + if zeroed { + // Only write the bytes we were specifically asked to + // zero out, even if we allocated more + ptr.write_bytes(0, layout.size()); + } + return Some(ptr); + } + } + } + None + } + + /// Expands the available memory pool by adding one page. + fn add_page(&mut self) -> (*mut u8, &mut DenseBitSet<usize>) { + // SAFETY: The system page size, which is the layout size, cannot be 0 + let page_ptr = unsafe { alloc::alloc(self.page_layout()) }; + // `page_infos` has to have one bit for each `COMPRESSION_FACTOR`-sized chunk of bytes in the page. + assert!(self.page_size % COMPRESSION_FACTOR == 0); + self.page_infos.push(DenseBitSet::new_empty(self.page_size / COMPRESSION_FACTOR)); + self.page_ptrs.push(page_ptr); + (page_ptr, self.page_infos.last_mut().unwrap()) + } + + /// Allocates in multiples of one page on the host system. + /// + /// SAFETY: Same as `alloc()`. + unsafe fn alloc_huge(&mut self, layout: Layout, zeroed: bool) -> *mut u8 { + let layout = IsolatedAlloc::huge_normalized_layout(layout, self.page_size); + // SAFETY: Upheld by caller + let ret = + unsafe { if zeroed { alloc::alloc_zeroed(layout) } else { alloc::alloc(layout) } }; + self.huge_ptrs.push((ret, layout.size())); + ret + } + + /// Deallocates a pointer from this allocator. + /// + /// SAFETY: This pointer must have been allocated by calling `alloc()` (or + /// `alloc_zeroed()`) with the same layout as the one passed on this same + /// `IsolatedAlloc`. + pub unsafe fn dealloc(&mut self, ptr: *mut u8, layout: Layout) { + let layout = IsolatedAlloc::normalized_layout(layout); + + if self.is_huge_alloc(&layout) { + // SAFETY: Partly upheld by caller, and we checked that the size + // and align, meaning this must have been allocated via `alloc_huge` + unsafe { + self.dealloc_huge(ptr, layout); + } + } else { + // SAFETY: It's not a huge allocation, therefore it is a small one. + let idx = unsafe { self.dealloc_small(ptr, layout) }; + + // This may have been the last allocation on this page. If so, free the entire page. + // FIXME: this can lead to threshold effects, we should probably add some form + // of hysteresis. + if self.page_infos[idx].is_empty() { + self.page_infos.remove(idx); + let page_ptr = self.page_ptrs.remove(idx); + // SAFETY: We checked that there are no outstanding allocations + // from us pointing to this page, and we know it was allocated + // with this layout + unsafe { + alloc::dealloc(page_ptr, self.page_layout()); + } + } + } + } + + /// Returns the index of the page that this was deallocated from + /// + /// SAFETY: the pointer must have been allocated with `alloc_small`. + unsafe fn dealloc_small(&mut self, ptr: *mut u8, layout: Layout) -> usize { + // Offset of the pointer in the current page + let offset = ptr.addr() % self.page_size; + // And then the page's base address + let page_addr = ptr.addr() - offset; + + // Find the page this allocation belongs to. + // This could be made faster if the list was sorted -- the allocator isn't fully optimized at the moment. + let pinfo = std::iter::zip(&mut self.page_ptrs, &mut self.page_infos) + .enumerate() + .find(|(_, (page, _))| page.addr() == page_addr); + let Some((idx_of_pinfo, (_, pinfo))) = pinfo else { + panic!("Freeing in an unallocated page: {ptr:?}\nHolding pages {:?}", self.page_ptrs) + }; + // Mark this range as available in the page. + let ptr_idx_pinfo = offset / COMPRESSION_FACTOR; + let size_pinfo = layout.size() / COMPRESSION_FACTOR; + for idx in ptr_idx_pinfo..ptr_idx_pinfo + size_pinfo { + pinfo.remove(idx); + } + idx_of_pinfo + } + + /// SAFETY: Same as `dealloc()` with the added requirement that `layout` + /// must ask for a size larger than the host pagesize. + unsafe fn dealloc_huge(&mut self, ptr: *mut u8, layout: Layout) { + let layout = IsolatedAlloc::huge_normalized_layout(layout, self.page_size); + // Find the pointer matching in address with the one we got + let idx = self + .huge_ptrs + .iter() + .position(|pg| ptr.addr() == pg.0.addr()) + .expect("Freeing unallocated pages"); + // And kick it from the list + self.huge_ptrs.remove(idx); + // SAFETY: Caller ensures validity of the layout + unsafe { + alloc::dealloc(ptr, layout); + } + } +} + +#[cfg(test)] +mod tests { + use super::*; + + /// Helper function to assert that all bytes from `ptr` to `ptr.add(layout.size())` + /// are zeroes. + /// + /// SAFETY: `ptr` must have been allocated with `layout`. + unsafe fn assert_zeroes(ptr: *mut u8, layout: Layout) { + // SAFETY: Caller ensures this is valid + unsafe { + for ofs in 0..layout.size() { + assert_eq!(0, ptr.add(ofs).read()); + } + } + } + + /// Check that small (sub-pagesize) allocations are properly zeroed out. + #[test] + fn small_zeroes() { + let mut alloc = IsolatedAlloc::new(); + // 256 should be less than the pagesize on *any* system + let layout = Layout::from_size_align(256, 32).unwrap(); + // SAFETY: layout size is the constant above, not 0 + let ptr = unsafe { alloc.alloc_zeroed(layout) }; + // SAFETY: `ptr` was just allocated with `layout` + unsafe { + assert_zeroes(ptr, layout); + alloc.dealloc(ptr, layout); + } + } + + /// Check that huge (> 1 page) allocations are properly zeroed out also. + #[test] + fn huge_zeroes() { + let mut alloc = IsolatedAlloc::new(); + // 16k is about as big as pages get e.g. on macos aarch64 + let layout = Layout::from_size_align(16 * 1024, 128).unwrap(); + // SAFETY: layout size is the constant above, not 0 + let ptr = unsafe { alloc.alloc_zeroed(layout) }; + // SAFETY: `ptr` was just allocated with `layout` + unsafe { + assert_zeroes(ptr, layout); + alloc.dealloc(ptr, layout); + } + } + + /// Check that repeatedly reallocating the same memory will still zero out + /// everything properly + #[test] + fn repeated_allocs() { + let mut alloc = IsolatedAlloc::new(); + // Try both sub-pagesize allocs and those larger than / equal to a page + for sz in (1..=(16 * 1024)).step_by(128) { + let layout = Layout::from_size_align(sz, 1).unwrap(); + // SAFETY: all sizes in the range above are nonzero as we start from 1 + let ptr = unsafe { alloc.alloc_zeroed(layout) }; + // SAFETY: `ptr` was just allocated with `layout`, which was used + // to bound the access size + unsafe { + assert_zeroes(ptr, layout); + ptr.write_bytes(255, sz); + alloc.dealloc(ptr, layout); + } + } + } + + /// Checks that allocations of different sizes do not overlap, then for memory + /// leaks that might have occurred. + #[test] + fn check_leaks_and_overlaps() { + let mut alloc = IsolatedAlloc::new(); + + // Some random sizes and aligns + let mut sizes = vec![32; 10]; + sizes.append(&mut vec![15; 4]); + sizes.append(&mut vec![256; 12]); + // Give it some multi-page ones too + sizes.append(&mut vec![32 * 1024; 4]); + + // Matching aligns for the sizes + let mut aligns = vec![16; 12]; + aligns.append(&mut vec![256; 2]); + aligns.append(&mut vec![64; 12]); + aligns.append(&mut vec![4096; 4]); + + // Make sure we didn't mess up in the test itself! + assert_eq!(sizes.len(), aligns.len()); + + // Aggregate the sizes and aligns into a vec of layouts, then allocate them + let layouts: Vec<_> = std::iter::zip(sizes, aligns) + .map(|(sz, al)| Layout::from_size_align(sz, al).unwrap()) + .collect(); + // SAFETY: all sizes specified in `sizes` are nonzero + let ptrs: Vec<_> = + layouts.iter().map(|layout| unsafe { alloc.alloc_zeroed(*layout) }).collect(); + + for (&ptr, &layout) in std::iter::zip(&ptrs, &layouts) { + // We requested zeroed allocations, so check that that's true + // Then write to the end of the current size, so if the allocs + // overlap (or the zeroing is wrong) then `assert_zeroes` will panic. + // Also check that the alignment we asked for was respected + assert_eq!(ptr.addr().strict_rem(layout.align()), 0); + // SAFETY: each `ptr` was allocated with its corresponding `layout`, + // which is used to bound the access size + unsafe { + assert_zeroes(ptr, layout); + ptr.write_bytes(255, layout.size()); + alloc.dealloc(ptr, layout); + } + } + + // And then verify that no memory was leaked after all that + assert!(alloc.page_ptrs.is_empty() && alloc.huge_ptrs.is_empty()); + } +} diff --git a/src/tools/miri/src/alloc/mod.rs b/src/tools/miri/src/alloc/mod.rs new file mode 100644 index 00000000000..3be885920d2 --- /dev/null +++ b/src/tools/miri/src/alloc/mod.rs @@ -0,0 +1,5 @@ +mod alloc_bytes; +#[cfg(target_os = "linux")] +pub mod isolated_alloc; + +pub use self::alloc_bytes::{MiriAllocBytes, MiriAllocParams}; diff --git a/src/tools/miri/src/alloc_addresses/mod.rs b/src/tools/miri/src/alloc_addresses/mod.rs index dd389d97cdc..12a320b9676 100644 --- a/src/tools/miri/src/alloc_addresses/mod.rs +++ b/src/tools/miri/src/alloc_addresses/mod.rs @@ -135,11 +135,12 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { if this.machine.native_lib.is_some() { // In native lib mode, we use the "real" address of the bytes for this allocation. // This ensures the interpreted program and native code have the same view of memory. + let params = this.machine.get_default_alloc_params(); let base_ptr = match info.kind { AllocKind::LiveData => { if memory_kind == MiriMemoryKind::Global.into() { // For new global allocations, we always pre-allocate the memory to be able use the machine address directly. - let prepared_bytes = MiriAllocBytes::zeroed(info.size, info.align) + let prepared_bytes = MiriAllocBytes::zeroed(info.size, info.align, params) .unwrap_or_else(|| { panic!("Miri ran out of memory: cannot create allocation of {size:?} bytes", size = info.size) }); @@ -158,8 +159,11 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { } AllocKind::Function | AllocKind::VTable => { // Allocate some dummy memory to get a unique address for this function/vtable. - let alloc_bytes = - MiriAllocBytes::from_bytes(&[0u8; 1], Align::from_bytes(1).unwrap()); + let alloc_bytes = MiriAllocBytes::from_bytes( + &[0u8; 1], + Align::from_bytes(1).unwrap(), + params, + ); let ptr = alloc_bytes.as_ptr(); // Leak the underlying memory to ensure it remains unique. std::mem::forget(alloc_bytes); @@ -168,7 +172,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { AllocKind::Dead => unreachable!(), }; // We don't have to expose this pointer yet, we do that in `prepare_for_native_call`. - return interp_ok(base_ptr.addr().try_into().unwrap()); + return interp_ok(base_ptr.addr().to_u64()); } // We are not in native lib mode, so we control the addresses ourselves. if let Some((reuse_addr, clock)) = global_state.reuse.take_addr( @@ -429,7 +433,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { prepared_alloc_bytes.copy_from_slice(bytes); interp_ok(prepared_alloc_bytes) } else { - interp_ok(MiriAllocBytes::from_bytes(std::borrow::Cow::Borrowed(bytes), align)) + let params = this.machine.get_default_alloc_params(); + interp_ok(MiriAllocBytes::from_bytes(std::borrow::Cow::Borrowed(bytes), align, params)) } } diff --git a/src/tools/miri/src/alloc_addresses/reuse_pool.rs b/src/tools/miri/src/alloc_addresses/reuse_pool.rs index 29d4f2bb7b0..ab6aaed5e3e 100644 --- a/src/tools/miri/src/alloc_addresses/reuse_pool.rs +++ b/src/tools/miri/src/alloc_addresses/reuse_pool.rs @@ -4,6 +4,7 @@ use rand::Rng; use rustc_abi::{Align, Size}; use crate::concurrency::VClock; +use crate::helpers::ToUsize as _; use crate::{MemoryKind, MiriConfig, ThreadId}; const MAX_POOL_SIZE: usize = 64; @@ -46,7 +47,7 @@ impl ReusePool { } fn subpool(&mut self, align: Align) -> &mut Vec<(u64, Size, ThreadId, VClock)> { - let pool_idx: usize = align.bytes().trailing_zeros().try_into().unwrap(); + let pool_idx: usize = align.bytes().trailing_zeros().to_usize(); if self.pool.len() <= pool_idx { self.pool.resize(pool_idx + 1, Vec::new()); } diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index 469fc264970..0121472d330 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -281,7 +281,9 @@ impl rustc_driver::Callbacks for MiriBeRustCompilerCalls { } let codegen_fn_attrs = tcx.codegen_fn_attrs(local_def_id); if codegen_fn_attrs.contains_extern_indicator() - || codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::USED) + || codegen_fn_attrs + .flags + .contains(CodegenFnAttrFlags::USED_COMPILER) || codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::USED_LINKER) { Some(( diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs index f5a0013047a..7b4c533cfae 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs @@ -504,7 +504,7 @@ impl DisplayFmt { if let Some(perm) = perm { format!( "{ac}{st}", - ac = if perm.is_initialized() { self.accessed.yes } else { self.accessed.no }, + ac = if perm.is_accessed() { self.accessed.yes } else { self.accessed.no }, st = perm.permission().short_name(), ) } else { diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs index f3e32e75f2f..411ae89da90 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs @@ -3,6 +3,8 @@ use rustc_middle::mir::{Mutability, RetagKind}; use rustc_middle::ty::layout::HasTypingEnv; use rustc_middle::ty::{self, Ty}; +use self::foreign_access_skipping::IdempotentForeignAccess; +use self::tree::LocationState; use crate::borrow_tracker::{GlobalState, GlobalStateInner, ProtectorKind}; use crate::concurrency::data_race::NaReadType; use crate::*; @@ -95,7 +97,7 @@ impl<'tcx> Tree { /// A tag just lost its protector. /// /// This emits a special kind of access that is only applied - /// to initialized locations, as a protection against other + /// to accessed locations, as a protection against other /// tags not having been made aware of the existence of this /// protector. pub fn release_protector( @@ -113,16 +115,19 @@ impl<'tcx> Tree { /// Policy for a new borrow. #[derive(Debug, Clone, Copy)] -struct NewPermission { - /// Which permission should the pointer start with. - initial_state: Permission, +pub struct NewPermission { + /// Permission for the frozen part of the range. + freeze_perm: Permission, + /// Whether a read access should be performed on the frozen part on a retag. + freeze_access: bool, + /// Permission for the non-frozen part of the range. + nonfreeze_perm: Permission, + /// Whether a read access should be performed on the non-frozen + /// part on a retag. + nonfreeze_access: bool, /// Whether this pointer is part of the arguments of a function call. /// `protector` is `Some(_)` for all pointers marked `noalias`. protector: Option<ProtectorKind>, - /// Whether a read should be performed on a retag. This should be `false` - /// for `Cell` because this could cause data races when using thread-safe - /// data types like `Mutex<T>`. - initial_read: bool, } impl<'tcx> NewPermission { @@ -133,27 +138,42 @@ impl<'tcx> NewPermission { kind: RetagKind, cx: &crate::MiriInterpCx<'tcx>, ) -> Option<Self> { - let ty_is_freeze = pointee.is_freeze(*cx.tcx, cx.typing_env()); let ty_is_unpin = pointee.is_unpin(*cx.tcx, cx.typing_env()); let is_protected = kind == RetagKind::FnEntry; - // As demonstrated by `tests/fail/tree_borrows/reservedim_spurious_write.rs`, - // interior mutability and protectors interact poorly. - // To eliminate the case of Protected Reserved IM we override interior mutability - // in the case of a protected reference: protected references are always considered - // "freeze" in their reservation phase. - let (initial_state, initial_read) = match mutability { + let protector = is_protected.then_some(ProtectorKind::StrongProtector); + + Some(match mutability { Mutability::Mut if ty_is_unpin => - (Permission::new_reserved(ty_is_freeze, is_protected), true), - Mutability::Not if ty_is_freeze => (Permission::new_frozen(), true), - Mutability::Not if !ty_is_freeze => (Permission::new_cell(), false), - // Raw pointers never enter this function so they are not handled. - // However raw pointers are not the only pointers that take the parent - // tag, this also happens for `!Unpin` `&mut`s, which are excluded above. + NewPermission { + freeze_perm: Permission::new_reserved( + /* ty_is_freeze */ true, + is_protected, + ), + freeze_access: true, + nonfreeze_perm: Permission::new_reserved( + /* ty_is_freeze */ false, + is_protected, + ), + // If we have a mutable reference, then the non-frozen part will + // have state `ReservedIM` or `Reserved`, which can have an initial read access + // performed on it because you cannot have multiple mutable borrows. + nonfreeze_access: true, + protector, + }, + Mutability::Not => + NewPermission { + freeze_perm: Permission::new_frozen(), + freeze_access: true, + nonfreeze_perm: Permission::new_cell(), + // If it is a shared reference, then the non-frozen + // part will have state `Cell`, which should not have an initial access, + // as this can cause data races when using thread-safe data types like + // `Mutex<T>`. + nonfreeze_access: false, + protector, + }, _ => return None, - }; - - let protector = is_protected.then_some(ProtectorKind::StrongProtector); - Some(Self { initial_state, protector, initial_read }) + }) } /// Compute permission for `Box`-like type (`Box` always, and also `Unique` if enabled). @@ -168,13 +188,17 @@ impl<'tcx> NewPermission { pointee.is_unpin(*cx.tcx, cx.typing_env()).then_some(()).map(|()| { // Regular `Unpin` box, give it `noalias` but only a weak protector // because it is valid to deallocate it within the function. - let ty_is_freeze = pointee.is_freeze(*cx.tcx, cx.typing_env()); - let protected = kind == RetagKind::FnEntry; - let initial_state = Permission::new_reserved(ty_is_freeze, protected); - Self { - initial_state, - protector: protected.then_some(ProtectorKind::WeakProtector), - initial_read: true, + let is_protected = kind == RetagKind::FnEntry; + let protector = is_protected.then_some(ProtectorKind::WeakProtector); + NewPermission { + freeze_perm: Permission::new_reserved(/* ty_is_freeze */ true, is_protected), + freeze_access: true, + nonfreeze_perm: Permission::new_reserved( + /* ty_is_freeze */ false, + is_protected, + ), + nonfreeze_access: true, + protector, } }) } @@ -194,8 +218,6 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { new_tag: BorTag, ) -> InterpResult<'tcx, Option<Provenance>> { let this = self.eval_context_mut(); - // Make sure the new permission makes sense as the initial permission of a fresh tag. - assert!(new_perm.initial_state.is_initial()); // Ensure we bail out if the pointer goes out-of-bounds (see miri#1050). this.check_ptr_access(place.ptr(), ptr_size, CheckInAllocMsg::Dereferenceable)?; @@ -206,7 +228,13 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let global = this.machine.borrow_tracker.as_ref().unwrap().borrow(); let ty = place.layout.ty; if global.tracked_pointer_tags.contains(&new_tag) { - let kind_str = format!("initial state {} (pointee type {ty})", new_perm.initial_state); + let ty_is_freeze = ty.is_freeze(*this.tcx, this.typing_env()); + let kind_str = + if ty_is_freeze { + format!("initial state {} (pointee type {ty})", new_perm.freeze_perm) + } else { + format!("initial state {}/{} outside/inside UnsafeCell (pointee type {ty})", new_perm.freeze_perm, new_perm.nonfreeze_perm) + }; this.emit_diagnostic(NonHaltingDiagnostic::CreatedPointerTag( new_tag.inner(), Some(kind_str), @@ -285,43 +313,103 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let span = this.machine.current_span(); let alloc_extra = this.get_alloc_extra(alloc_id)?; - let range = alloc_range(base_offset, ptr_size); let mut tree_borrows = alloc_extra.borrow_tracker_tb().borrow_mut(); - // All reborrows incur a (possibly zero-sized) read access to the parent - if new_perm.initial_read { - tree_borrows.perform_access( - orig_tag, - Some((range, AccessKind::Read, diagnostics::AccessCause::Reborrow)), - this.machine.borrow_tracker.as_ref().unwrap(), - alloc_id, - this.machine.current_span(), - )?; - } + // Store initial permissions and their corresponding range. + let mut perms_map: RangeMap<LocationState> = RangeMap::new( + ptr_size, + LocationState::new_accessed(Permission::new_disabled(), IdempotentForeignAccess::None), // this will be overwritten + ); + // Keep track of whether the node has any part that allows for interior mutability. + // FIXME: This misses `PhantomData<UnsafeCell<T>>` which could be considered a marker + // for requesting interior mutability. + let mut has_unsafe_cell = false; + + // When adding a new node, the SIFA of its parents needs to be updated, potentially across + // the entire memory range. For the parts that are being accessed below, the access itself + // trivially takes care of that. However, we have to do some more work to also deal with + // the parts that are not being accessed. Specifically what we do is that we + // call `update_last_accessed_after_retag` on the SIFA of the permission set for the part of + // memory outside `perm_map` -- so that part is definitely taken care of. The remaining concern + // is the part of memory that is in the range of `perms_map`, but not accessed below. + // There we have two cases: + // * If we do have an `UnsafeCell` (`has_unsafe_cell` becomes true), then the non-accessed part + // uses `nonfreeze_perm`, so the `nonfreeze_perm` initialized parts are also fine. We enforce + // the `freeze_perm` parts to be accessed, and thus everything is taken care of. + // * If there is no `UnsafeCell`, then `freeze_perm` is used everywhere (both inside and outside the initial range), + // and we update everything to have the `freeze_perm`'s SIFA, so there are no issues. (And this assert below is not + // actually needed in this case). + assert!(new_perm.freeze_access); + + let protected = new_perm.protector.is_some(); + this.visit_freeze_sensitive(place, ptr_size, |range, frozen| { + has_unsafe_cell = has_unsafe_cell || !frozen; + + // We are only ever `Frozen` inside the frozen bits. + let (perm, access) = if frozen { + (new_perm.freeze_perm, new_perm.freeze_access) + } else { + (new_perm.nonfreeze_perm, new_perm.nonfreeze_access) + }; + + // Store initial permissions. + for (_loc_range, loc) in perms_map.iter_mut(range.start, range.size) { + let sifa = perm.strongest_idempotent_foreign_access(protected); + // NOTE: Currently, `access` is false if and only if `perm` is Cell, so this `if` + // doesn't not change whether any code is UB or not. We could just always use + // `new_accessed` and everything would stay the same. But that seems conceptually + // odd, so we keep the initial "accessed" bit of the `LocationState` in sync with whether + // a read access is performed below. + if access { + *loc = LocationState::new_accessed(perm, sifa); + } else { + *loc = LocationState::new_non_accessed(perm, sifa); + } + } + + // Some reborrows incur a read access to the parent. + if access { + // Adjust range to be relative to allocation start (rather than to `place`). + let mut range_in_alloc = range; + range_in_alloc.start += base_offset; + + tree_borrows.perform_access( + orig_tag, + Some((range_in_alloc, AccessKind::Read, diagnostics::AccessCause::Reborrow)), + this.machine.borrow_tracker.as_ref().unwrap(), + alloc_id, + this.machine.current_span(), + )?; + + // Also inform the data race model (but only if any bytes are actually affected). + if range.size.bytes() > 0 { + if let Some(data_race) = alloc_extra.data_race.as_vclocks_ref() { + data_race.read( + alloc_id, + range_in_alloc, + NaReadType::Retag, + Some(place.layout.ty), + &this.machine, + )? + } + } + } + interp_ok(()) + })?; + // Record the parent-child pair in the tree. tree_borrows.new_child( + base_offset, orig_tag, new_tag, - new_perm.initial_state, - range, + perms_map, + // Allow lazily writing to surrounding data if we found an `UnsafeCell`. + if has_unsafe_cell { new_perm.nonfreeze_perm } else { new_perm.freeze_perm }, + protected, span, - new_perm.protector.is_some(), )?; drop(tree_borrows); - // Also inform the data race model (but only if any bytes are actually affected). - if range.size.bytes() > 0 && new_perm.initial_read { - if let Some(data_race) = alloc_extra.data_race.as_vclocks_ref() { - data_race.read( - alloc_id, - range, - NaReadType::Retag, - Some(place.layout.ty), - &this.machine, - )?; - } - } - interp_ok(Some(Provenance::Concrete { alloc_id, tag: new_tag })) } @@ -508,15 +596,21 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn tb_protect_place(&mut self, place: &MPlaceTy<'tcx>) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); - // Note: if we were to inline `new_reserved` below we would find out that - // `ty_is_freeze` is eventually unused because it appears in a `ty_is_freeze || true`. - // We are nevertheless including it here for clarity. - let ty_is_freeze = place.layout.ty.is_freeze(*this.tcx, this.typing_env()); // Retag it. With protection! That is the entire point. let new_perm = NewPermission { - initial_state: Permission::new_reserved(ty_is_freeze, /* protected */ true), + // Note: If we are creating a protected Reserved, which can + // never be ReservedIM, the value of the `ty_is_freeze` + // argument doesn't matter + // (`ty_is_freeze || true` in `new_reserved` will always be `true`). + freeze_perm: Permission::new_reserved( + /* ty_is_freeze */ true, /* protected */ true, + ), + freeze_access: true, + nonfreeze_perm: Permission::new_reserved( + /* ty_is_freeze */ false, /* protected */ true, + ), + nonfreeze_access: true, protector: Some(ProtectorKind::StrongProtector), - initial_read: true, }; this.tb_retag_place(place, new_perm) } diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs index 087f6fc3f24..38863ca0734 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs @@ -94,6 +94,7 @@ impl PermissionPriv { } /// Reject `ReservedIM` that cannot exist in the presence of a protector. + #[cfg(test)] fn compatible_with_protector(&self) -> bool { // FIXME(TB-Cell): It is unclear what to do here. // `Cell` will occur with a protector but won't provide the guarantees @@ -253,10 +254,6 @@ impl Permission { pub fn is_disabled(&self) -> bool { self.inner == Disabled } - /// Check if `self` is the post-child-write state of a pointer (is `Active`). - pub fn is_active(&self) -> bool { - self.inner == Active - } /// Check if `self` is the never-allow-writes-again state of a pointer (is `Frozen`). pub fn is_frozen(&self) -> bool { self.inner == Frozen @@ -289,6 +286,11 @@ impl Permission { /// is a protector is relevant because being protected takes priority over being /// interior mutable) pub fn new_reserved(ty_is_freeze: bool, protected: bool) -> Self { + // As demonstrated by `tests/fail/tree_borrows/reservedim_spurious_write.rs`, + // interior mutability and protectors interact poorly. + // To eliminate the case of Protected Reserved IM we override interior mutability + // in the case of a protected reference: protected references are always considered + // "freeze" in their reservation phase. if ty_is_freeze || protected { Self::new_reserved_frz() } else { Self::new_reserved_im() } } @@ -309,6 +311,7 @@ impl Permission { } /// Reject `ReservedIM` that cannot exist in the presence of a protector. + #[cfg(test)] pub fn compatible_with_protector(&self) -> bool { self.inner.compatible_with_protector() } @@ -393,11 +396,6 @@ impl PermTransition { self.from <= self.to } - pub fn from(from: Permission, to: Permission) -> Option<Self> { - let t = Self { from: from.inner, to: to.inner }; - t.is_possible().then_some(t) - } - pub fn is_noop(self) -> bool { self.from == self.to } @@ -407,11 +405,6 @@ impl PermTransition { (starting_point.inner == self.from).then_some(Permission { inner: self.to }) } - /// Extract starting point of a transition - pub fn started(self) -> Permission { - Permission { inner: self.from } - } - /// Determines if this transition would disable the permission. pub fn produces_disabled(self) -> bool { self.to == Disabled diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/tree.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/tree.rs index 47ccaadbb9e..48e4a19e263 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/tree.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/tree.rs @@ -10,6 +10,7 @@ //! and the relative position of the access; //! - idempotency properties asserted in `perms.rs` (for optimizations) +use std::ops::Range; use std::{fmt, mem}; use rustc_abi::Size; @@ -32,18 +33,18 @@ mod tests; /// Data for a single *location*. #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] pub(super) struct LocationState { - /// A location is initialized when it is child-accessed for the first time (and the initial + /// A location is "accessed" when it is child-accessed for the first time (and the initial /// retag initializes the location for the range covered by the type), and it then stays - /// initialized forever. - /// For initialized locations, "permission" is the current permission. However, for - /// uninitialized locations, we still need to track the "future initial permission": this will + /// accessed forever. + /// For accessed locations, "permission" is the current permission. However, for + /// non-accessed locations, we still need to track the "future initial permission": this will /// start out to be `default_initial_perm`, but foreign accesses need to be taken into account. /// Crucially however, while transitions to `Disabled` would usually be UB if this location is - /// protected, that is *not* the case for uninitialized locations. Instead we just have a latent + /// protected, that is *not* the case for non-accessed locations. Instead we just have a latent /// "future initial permission" of `Disabled`, causing UB only if an access is ever actually /// performed. - /// Note that the tree root is also always initialized, as if the allocation was a write access. - initialized: bool, + /// Note that the tree root is also always accessed, as if the allocation was a write access. + accessed: bool, /// This pointer's current permission / future initial permission. permission: Permission, /// See `foreign_access_skipping.rs`. @@ -58,30 +59,30 @@ impl LocationState { /// to any foreign access yet. /// The permission is not allowed to be `Active`. /// `sifa` is the (strongest) idempotent foreign access, see `foreign_access_skipping.rs` - fn new_uninit(permission: Permission, sifa: IdempotentForeignAccess) -> Self { + pub fn new_non_accessed(permission: Permission, sifa: IdempotentForeignAccess) -> Self { assert!(permission.is_initial() || permission.is_disabled()); - Self { permission, initialized: false, idempotent_foreign_access: sifa } + Self { permission, accessed: false, idempotent_foreign_access: sifa } } /// Constructs a new initial state. It has not yet been subjected /// to any foreign access. However, it is already marked as having been accessed. /// `sifa` is the (strongest) idempotent foreign access, see `foreign_access_skipping.rs` - fn new_init(permission: Permission, sifa: IdempotentForeignAccess) -> Self { - Self { permission, initialized: true, idempotent_foreign_access: sifa } + pub fn new_accessed(permission: Permission, sifa: IdempotentForeignAccess) -> Self { + Self { permission, accessed: true, idempotent_foreign_access: sifa } } - /// Check if the location has been initialized, i.e. if it has + /// Check if the location has been accessed, i.e. if it has /// ever been accessed through a child pointer. - pub fn is_initialized(&self) -> bool { - self.initialized + pub fn is_accessed(&self) -> bool { + self.accessed } /// Check if the state can exist as the initial permission of a pointer. /// - /// Do not confuse with `is_initialized`, the two are almost orthogonal - /// as apart from `Active` which is not initial and must be initialized, + /// Do not confuse with `is_accessed`, the two are almost orthogonal + /// as apart from `Active` which is not initial and must be accessed, /// any other permission can have an arbitrary combination of being - /// initial/initialized. + /// initial/accessed. /// FIXME: when the corresponding `assert` in `tree_borrows/mod.rs` finally /// passes and can be uncommented, remove this `#[allow(dead_code)]`. #[cfg_attr(not(test), allow(dead_code))] @@ -95,8 +96,8 @@ impl LocationState { /// Apply the effect of an access to one location, including /// - applying `Permission::perform_access` to the inner `Permission`, - /// - emitting protector UB if the location is initialized, - /// - updating the initialized status (child accesses produce initialized locations). + /// - emitting protector UB if the location is accessed, + /// - updating the accessed status (child accesses produce accessed locations). fn perform_access( &mut self, access_kind: AccessKind, @@ -106,14 +107,14 @@ impl LocationState { let old_perm = self.permission; let transition = Permission::perform_access(access_kind, rel_pos, old_perm, protected) .ok_or(TransitionError::ChildAccessForbidden(old_perm))?; - self.initialized |= !rel_pos.is_foreign(); + self.accessed |= !rel_pos.is_foreign(); self.permission = transition.applied(old_perm).unwrap(); - // Why do only initialized locations cause protector errors? + // Why do only accessed locations cause protector errors? // Consider two mutable references `x`, `y` into disjoint parts of // the same allocation. A priori, these may actually both be used to // access the entire allocation, as long as only reads occur. However, // a write to `y` needs to somehow record that `x` can no longer be used - // on that location at all. For these uninitialized locations (i.e., locations + // on that location at all. For these non-accessed locations (i.e., locations // that haven't been accessed with `x` yet), we track the "future initial state": // it defaults to whatever the initial state of the tag is, // but the access to `y` moves that "future initial state" of `x` to `Disabled`. @@ -121,8 +122,8 @@ impl LocationState { // So clearly protectors shouldn't fire for such "future initial state" transitions. // // See the test `two_mut_protected_same_alloc` in `tests/pass/tree_borrows/tree-borrows.rs` - // for an example of safe code that would be UB if we forgot to check `self.initialized`. - if protected && self.initialized && transition.produces_disabled() { + // for an example of safe code that would be UB if we forgot to check `self.accessed`. + if protected && self.accessed && transition.produces_disabled() { return Err(TransitionError::ProtectedDisabled(old_perm)); } Ok(transition) @@ -157,11 +158,11 @@ impl LocationState { self.idempotent_foreign_access.can_skip_foreign_access(happening_now); if self.permission.is_disabled() { // A foreign access to a `Disabled` tag will have almost no observable effect. - // It's a theorem that `Disabled` node have no protected initialized children, + // It's a theorem that `Disabled` node have no protected accessed children, // and so this foreign access will never trigger any protector. - // (Intuition: You're either protected initialized, and thus can't become Disabled - // or you're already Disabled protected, but not initialized, and then can't - // become initialized since that requires a child access, which Disabled blocks.) + // (Intuition: You're either protected accessed, and thus can't become Disabled + // or you're already Disabled protected, but not accessed, and then can't + // become accessed since that requires a child access, which Disabled blocks.) // Further, the children will never be able to read or write again, since they // have a `Disabled` parent. So this only affects diagnostics, such that the // blocking write will still be identified directly, just at a different tag. @@ -217,7 +218,7 @@ impl LocationState { impl fmt::Display for LocationState { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{}", self.permission)?; - if !self.initialized { + if !self.accessed { write!(f, "?")?; } Ok(()) @@ -598,12 +599,15 @@ impl Tree { let rperms = { let mut perms = UniValMap::default(); // We manually set it to `Active` on all in-bounds positions. - // We also ensure that it is initialized, so that no `Active` but - // not yet initialized nodes exist. Essentially, we pretend there + // We also ensure that it is accessed, so that no `Active` but + // not yet accessed nodes exist. Essentially, we pretend there // was a write that initialized these to `Active`. perms.insert( root_idx, - LocationState::new_init(Permission::new_active(), IdempotentForeignAccess::None), + LocationState::new_accessed( + Permission::new_active(), + IdempotentForeignAccess::None, + ), ); RangeMap::new(size, perms) }; @@ -612,20 +616,32 @@ impl Tree { } impl<'tcx> Tree { - /// Insert a new tag in the tree - pub fn new_child( + /// Insert a new tag in the tree. + /// + /// `initial_perms` defines the initial permissions for the part of memory + /// that is already considered "initialized" immediately. The ranges in this + /// map are relative to `base_offset`. + /// `default_perm` defines the initial permission for the rest of the allocation. + /// + /// For all non-accessed locations in the RangeMap (those that haven't had an + /// implicit read), their SIFA must be weaker than or as weak as the SIFA of + /// `default_perm`. + pub(super) fn new_child( &mut self, + base_offset: Size, parent_tag: BorTag, new_tag: BorTag, - default_initial_perm: Permission, - reborrow_range: AllocRange, + initial_perms: RangeMap<LocationState>, + default_perm: Permission, + protected: bool, span: Span, - prot: bool, ) -> InterpResult<'tcx> { - assert!(!self.tag_mapping.contains_key(&new_tag)); let idx = self.tag_mapping.insert(new_tag); let parent_idx = self.tag_mapping.get(&parent_tag).unwrap(); - let strongest_idempotent = default_initial_perm.strongest_idempotent_foreign_access(prot); + assert!(default_perm.is_initial()); + + let default_strongest_idempotent = + default_perm.strongest_idempotent_foreign_access(protected); // Create the node self.nodes.insert( idx, @@ -633,25 +649,36 @@ impl<'tcx> Tree { tag: new_tag, parent: Some(parent_idx), children: SmallVec::default(), - default_initial_perm, - default_initial_idempotent_foreign_access: strongest_idempotent, - debug_info: NodeDebugInfo::new(new_tag, default_initial_perm, span), + default_initial_perm: default_perm, + default_initial_idempotent_foreign_access: default_strongest_idempotent, + debug_info: NodeDebugInfo::new(new_tag, default_perm, span), }, ); // Register new_tag as a child of parent_tag self.nodes.get_mut(parent_idx).unwrap().children.push(idx); - // Initialize perms - let perm = LocationState::new_init(default_initial_perm, strongest_idempotent); - for (_perms_range, perms) in self.rperms.iter_mut(reborrow_range.start, reborrow_range.size) + + for (Range { start, end }, &perm) in + initial_perms.iter(Size::from_bytes(0), initial_perms.size()) { - perms.insert(idx, perm); + assert!(perm.is_initial()); + for (_perms_range, perms) in self + .rperms + .iter_mut(Size::from_bytes(start) + base_offset, Size::from_bytes(end - start)) + { + assert!( + default_strongest_idempotent + >= perm.permission.strongest_idempotent_foreign_access(protected) + ); + perms.insert(idx, perm); + } } // Inserting the new perms might have broken the SIFA invariant (see `foreign_access_skipping.rs`). // We now weaken the recorded SIFA for our parents, until the invariant is restored. // We could weaken them all to `LocalAccess`, but it is more efficient to compute the SIFA // for the new permission statically, and use that. - self.update_last_accessed_after_retag(parent_idx, strongest_idempotent); + // See the comment in `tb_reborrow` for why it is correct to use the SIFA of `default_uninit_perm`. + self.update_last_accessed_after_retag(parent_idx, default_strongest_idempotent); interp_ok(()) } @@ -758,14 +785,14 @@ impl<'tcx> Tree { /// /// If `access_range_and_kind` is `None`, this is interpreted as the special /// access that is applied on protector release: - /// - the access will be applied only to initialized locations of the allocation, + /// - the access will be applied only to accessed locations of the allocation, /// - it will not be visible to children, /// - it will be recorded as a `FnExit` diagnostic access /// - and it will be a read except if the location is `Active`, i.e. has been written to, /// in which case it will be a write. /// /// `LocationState::perform_access` will take care of raising transition - /// errors and updating the `initialized` status of each location, + /// errors and updating the `accessed` status of each location, /// this traversal adds to that: /// - inserting into the map locations that do not exist yet, /// - trimming the traversal, @@ -858,7 +885,7 @@ impl<'tcx> Tree { } } else { // This is a special access through the entire allocation. - // It actually only affects `initialized` locations, so we need + // It actually only affects `accessed` locations, so we need // to filter on those before initiating the traversal. // // In addition this implicit access should not be visible to children, @@ -868,10 +895,10 @@ impl<'tcx> Tree { // why this is important. for (perms_range, perms) in self.rperms.iter_mut_all() { let idx = self.tag_mapping.get(&tag).unwrap(); - // Only visit initialized permissions + // Only visit accessed permissions if let Some(p) = perms.get(idx) && let Some(access_kind) = p.permission.protector_end_access() - && p.initialized + && p.accessed { let access_cause = diagnostics::AccessCause::FnExit(access_kind); TreeVisitor { nodes: &mut self.nodes, tag_mapping: &self.tag_mapping, perms } @@ -1035,7 +1062,7 @@ impl Tree { impl Node { pub fn default_location_state(&self) -> LocationState { - LocationState::new_uninit( + LocationState::new_non_accessed( self.default_initial_perm, self.default_initial_idempotent_foreign_access, ) @@ -1073,15 +1100,4 @@ impl AccessRelatedness { pub fn is_foreign(self) -> bool { matches!(self, AccessRelatedness::AncestorAccess | AccessRelatedness::CousinAccess) } - - /// Given the AccessRelatedness for the parent node, compute the AccessRelatedness - /// for the child node. This function assumes that we propagate away from the initial - /// access. - pub fn for_child(self) -> Self { - use AccessRelatedness::*; - match self { - AncestorAccess | This => AncestorAccess, - StrictChildAccess | CousinAccess => CousinAccess, - } - } } diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs index dbfa9807e3b..bb3fc2d80b3 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs @@ -9,10 +9,10 @@ use crate::borrow_tracker::tree_borrows::exhaustive::{Exhaustive, precondition}; impl Exhaustive for LocationState { fn exhaustive() -> Box<dyn Iterator<Item = Self>> { // We keep `latest_foreign_access` at `None` as that's just a cache. - Box::new(<(Permission, bool)>::exhaustive().map(|(permission, initialized)| { + Box::new(<(Permission, bool)>::exhaustive().map(|(permission, accessed)| { Self { permission, - initialized, + accessed, idempotent_foreign_access: IdempotentForeignAccess::default(), } })) @@ -76,8 +76,8 @@ fn as_protected(b: bool) -> &'static str { if b { " (protected)" } else { "" } } -fn as_lazy_or_init(b: bool) -> &'static str { - if b { "initialized" } else { "lazy" } +fn as_lazy_or_accessed(b: bool) -> &'static str { + if b { "accessed" } else { "lazy" } } /// Test that tree compacting (as performed by the GC) is sound. @@ -106,7 +106,7 @@ fn tree_compacting_is_sound() { as_foreign_or_child(rel), kind, parent.permission(), - as_lazy_or_init(child.is_initialized()), + as_lazy_or_accessed(child.is_accessed()), child.permission(), as_protected(child_protected), np.permission(), @@ -122,7 +122,7 @@ fn tree_compacting_is_sound() { as_foreign_or_child(rel), kind, parent.permission(), - as_lazy_or_init(child.is_initialized()), + as_lazy_or_accessed(child.is_accessed()), child.permission(), as_protected(child_protected), nc.permission() @@ -435,19 +435,19 @@ mod spurious_read { Ok(Self { x, y, ..self }) } - /// Perform a read on the given pointer if its state is `initialized`. + /// Perform a read on the given pointer if its state is `accessed`. /// Must be called just after reborrowing a pointer, and just after /// removing a protector. - fn read_if_initialized(self, ptr: PtrSelector) -> Result<Self, ()> { - let initialized = match ptr { - PtrSelector::X => self.x.state.initialized, - PtrSelector::Y => self.y.state.initialized, + fn read_if_accessed(self, ptr: PtrSelector) -> Result<Self, ()> { + let accessed = match ptr { + PtrSelector::X => self.x.state.accessed, + PtrSelector::Y => self.y.state.accessed, PtrSelector::Other => panic!( - "the `initialized` status of `PtrSelector::Other` is unknown, do not pass it to `read_if_initialized`" + "the `accessed` status of `PtrSelector::Other` is unknown, do not pass it to `read_if_accessed`" ), }; - if initialized { + if accessed { self.perform_test_access(&TestAccess { ptr, kind: AccessKind::Read }) } else { Ok(self) @@ -457,13 +457,13 @@ mod spurious_read { /// Remove the protector of `x`, including the implicit read on function exit. fn end_protector_x(self) -> Result<Self, ()> { let x = self.x.end_protector(); - Self { x, ..self }.read_if_initialized(PtrSelector::X) + Self { x, ..self }.read_if_accessed(PtrSelector::X) } /// Remove the protector of `y`, including the implicit read on function exit. fn end_protector_y(self) -> Result<Self, ()> { let y = self.y.end_protector(); - Self { y, ..self }.read_if_initialized(PtrSelector::Y) + Self { y, ..self }.read_if_accessed(PtrSelector::Y) } fn retag_y(self, new_y: LocStateProt) -> Result<Self, ()> { @@ -473,7 +473,7 @@ mod spurious_read { } // `xy_rel` changes to "mutually foreign" now: `y` can no longer be a parent of `x`. Self { y: new_y, xy_rel: RelPosXY::MutuallyForeign, ..self } - .read_if_initialized(PtrSelector::Y) + .read_if_accessed(PtrSelector::Y) } fn perform_test_event<RetX, RetY>(self, evt: &TestEvent<RetX, RetY>) -> Result<Self, ()> { @@ -602,14 +602,14 @@ mod spurious_read { xy_rel: RelPosXY::MutuallyForeign, x: LocStateProt { // For the tests, the strongest idempotent foreign access does not matter, so we use `Default::default` - state: LocationState::new_init( + state: LocationState::new_accessed( Permission::new_frozen(), IdempotentForeignAccess::default(), ), prot: true, }, y: LocStateProt { - state: LocationState::new_uninit( + state: LocationState::new_non_accessed( Permission::new_reserved(/* freeze */ true, /* protected */ true), IdempotentForeignAccess::default(), ), @@ -650,8 +650,8 @@ mod spurious_read { for xy_rel in RelPosXY::exhaustive() { for (x_retag_perm, y_current_perm) in <(LocationState, LocationState)>::exhaustive() { - // We can only do spurious reads for initialized locations anyway. - precondition!(x_retag_perm.initialized); + // We can only do spurious reads for accessed locations anyway. + precondition!(x_retag_perm.accessed); // And `x` just got retagged, so it must be initial. precondition!(x_retag_perm.permission.is_initial()); // As stated earlier, `x` is always protected in the patterns we consider here. @@ -696,7 +696,7 @@ mod spurious_read { fn initial_state(&self) -> Result<LocStateProtPair, ()> { let (x, y) = self.retag_permissions(); let state = LocStateProtPair { xy_rel: self.xy_rel, x, y }; - state.read_if_initialized(PtrSelector::X) + state.read_if_accessed(PtrSelector::X) } } diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/unimap.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/unimap.rs index 7874721c0ac..dcd5a6cb023 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/unimap.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/unimap.rs @@ -17,6 +17,8 @@ use std::mem; use rustc_data_structures::fx::FxHashMap; +use crate::helpers::ToUsize; + /// Intermediate key between a UniKeyMap and a UniValMap. #[derive(Debug, Clone, Copy, PartialEq, Eq)] pub struct UniIndex { @@ -158,7 +160,7 @@ where impl<V> UniValMap<V> { /// Whether this index has an associated value. pub fn contains_idx(&self, idx: UniIndex) -> bool { - self.data.get(idx.idx as usize).and_then(Option::as_ref).is_some() + self.data.get(idx.idx.to_usize()).and_then(Option::as_ref).is_some() } /// Reserve enough space to insert the value at the right index. @@ -174,29 +176,29 @@ impl<V> UniValMap<V> { /// Assign a value to the index. Permanently overwrites any previous value. pub fn insert(&mut self, idx: UniIndex, val: V) { - self.extend_to_length(idx.idx as usize + 1); - self.data[idx.idx as usize] = Some(val) + self.extend_to_length(idx.idx.to_usize() + 1); + self.data[idx.idx.to_usize()] = Some(val) } /// Get the value at this index, if it exists. pub fn get(&self, idx: UniIndex) -> Option<&V> { - self.data.get(idx.idx as usize).and_then(Option::as_ref) + self.data.get(idx.idx.to_usize()).and_then(Option::as_ref) } /// Get the value at this index mutably, if it exists. pub fn get_mut(&mut self, idx: UniIndex) -> Option<&mut V> { - self.data.get_mut(idx.idx as usize).and_then(Option::as_mut) + self.data.get_mut(idx.idx.to_usize()).and_then(Option::as_mut) } /// Delete any value associated with this index. /// Returns None if the value was not present, otherwise /// returns the previously stored value. pub fn remove(&mut self, idx: UniIndex) -> Option<V> { - if idx.idx as usize >= self.data.len() { + if idx.idx.to_usize() >= self.data.len() { return None; } let mut res = None; - mem::swap(&mut res, &mut self.data[idx.idx as usize]); + mem::swap(&mut res, &mut self.data[idx.idx.to_usize()]); res } } @@ -209,8 +211,8 @@ pub struct UniEntry<'a, V> { impl<'a, V> UniValMap<V> { /// Get a wrapper around a mutable access to the value corresponding to `idx`. pub fn entry(&'a mut self, idx: UniIndex) -> UniEntry<'a, V> { - self.extend_to_length(idx.idx as usize + 1); - UniEntry { inner: &mut self.data[idx.idx as usize] } + self.extend_to_length(idx.idx.to_usize() + 1); + UniEntry { inner: &mut self.data[idx.idx.to_usize()] } } } diff --git a/src/tools/miri/src/concurrency/cpu_affinity.rs b/src/tools/miri/src/concurrency/cpu_affinity.rs index b47b614cf5f..9583de5a483 100644 --- a/src/tools/miri/src/concurrency/cpu_affinity.rs +++ b/src/tools/miri/src/concurrency/cpu_affinity.rs @@ -25,7 +25,7 @@ impl CpuAffinityMask { let mut this = Self([0; Self::CPU_MASK_BYTES]); // the default affinity mask includes only the available CPUs - for i in 0..cpu_count as usize { + for i in 0..cpu_count.to_usize() { this.set(cx, i); } diff --git a/src/tools/miri/src/concurrency/mod.rs b/src/tools/miri/src/concurrency/mod.rs index dd33f90f153..aaa3fc85a6c 100644 --- a/src/tools/miri/src/concurrency/mod.rs +++ b/src/tools/miri/src/concurrency/mod.rs @@ -8,8 +8,19 @@ pub mod thread; mod vector_clock; pub mod weak_memory; +// cfg(bootstrap) +macro_rules! cfg_select_dispatch { + ($($tokens:tt)*) => { + #[cfg(bootstrap)] + cfg_match! { $($tokens)* } + + #[cfg(not(bootstrap))] + cfg_select! { $($tokens)* } + }; +} + // Import either the real genmc adapter or a dummy module. -cfg_match! { +cfg_select_dispatch! { feature = "genmc" => { mod genmc; pub use self::genmc::{GenmcCtx, GenmcConfig}; diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 8aa65e6cb61..ba1436b77b8 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -218,34 +218,37 @@ impl<'tcx> Thread<'tcx> { } } - /// Return the top user-relevant frame, if there is one. + /// Return the top user-relevant frame, if there is one. `skip` indicates how many top frames + /// should be skipped. /// Note that the choice to return `None` here when there is no user-relevant frame is part of /// justifying the optimization that only pushes of user-relevant frames require updating the /// `top_user_relevant_frame` field. - fn compute_top_user_relevant_frame(&self) -> Option<usize> { + fn compute_top_user_relevant_frame(&self, skip: usize) -> Option<usize> { self.stack .iter() .enumerate() .rev() + .skip(skip) .find_map(|(idx, frame)| if frame.extra.is_user_relevant { Some(idx) } else { None }) } - /// Re-compute the top user-relevant frame from scratch. - pub fn recompute_top_user_relevant_frame(&mut self) { - self.top_user_relevant_frame = self.compute_top_user_relevant_frame(); + /// Re-compute the top user-relevant frame from scratch. `skip` indicates how many top frames + /// should be skipped. + pub fn recompute_top_user_relevant_frame(&mut self, skip: usize) { + self.top_user_relevant_frame = self.compute_top_user_relevant_frame(skip); } /// Set the top user-relevant frame to the given value. Must be equal to what /// `get_top_user_relevant_frame` would return! pub fn set_top_user_relevant_frame(&mut self, frame_idx: usize) { - debug_assert_eq!(Some(frame_idx), self.compute_top_user_relevant_frame()); + debug_assert_eq!(Some(frame_idx), self.compute_top_user_relevant_frame(0)); self.top_user_relevant_frame = Some(frame_idx); } /// Returns the topmost frame that is considered user-relevant, or the /// top of the stack if there is no such frame, or `None` if the stack is empty. pub fn top_user_relevant_frame(&self) -> Option<usize> { - debug_assert_eq!(self.top_user_relevant_frame, self.compute_top_user_relevant_frame()); + debug_assert_eq!(self.top_user_relevant_frame, self.compute_top_user_relevant_frame(0)); // This can be called upon creation of an allocation. We create allocations while setting up // parts of the Rust runtime when we do not have any stack frames yet, so we need to handle // empty stacks. @@ -894,12 +897,17 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { if tcx.is_foreign_item(def_id) { throw_unsup_format!("foreign thread-local statics are not supported"); } + let params = this.machine.get_default_alloc_params(); let alloc = this.ctfe_query(|tcx| tcx.eval_static_initializer(def_id))?; // We make a full copy of this allocation. let mut alloc = alloc.inner().adjust_from_tcx( &this.tcx, |bytes, align| { - interp_ok(MiriAllocBytes::from_bytes(std::borrow::Cow::Borrowed(bytes), align)) + interp_ok(MiriAllocBytes::from_bytes( + std::borrow::Cow::Borrowed(bytes), + align, + params, + )) }, |ptr| this.global_root_pointer(ptr), )?; diff --git a/src/tools/miri/src/concurrency/vector_clock.rs b/src/tools/miri/src/concurrency/vector_clock.rs index 78858fcedae..494e7922d2b 100644 --- a/src/tools/miri/src/concurrency/vector_clock.rs +++ b/src/tools/miri/src/concurrency/vector_clock.rs @@ -7,6 +7,7 @@ use rustc_span::{DUMMY_SP, Span, SpanData}; use smallvec::SmallVec; use super::data_race::NaReadType; +use crate::helpers::ToUsize; /// A vector clock index, this is associated with a thread id /// but in some cases one vector index may be shared with @@ -157,7 +158,7 @@ impl VClock { #[inline] pub(super) fn index_mut(&mut self, index: VectorIdx) -> &mut VTimestamp { - self.0.as_mut_slice().get_mut(index.to_u32() as usize).unwrap() + self.0.as_mut_slice().get_mut(index.to_u32().to_usize()).unwrap() } /// Get a mutable slice to the internal vector with minimum `min_len` @@ -420,7 +421,7 @@ impl Index<VectorIdx> for VClock { #[inline] fn index(&self, index: VectorIdx) -> &VTimestamp { - self.as_slice().get(index.to_u32() as usize).unwrap_or(&VTimestamp::ZERO) + self.as_slice().get(index.to_u32().to_usize()).unwrap_or(&VTimestamp::ZERO) } } diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index 10570a37e5d..1728a9cfd6d 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -255,8 +255,7 @@ pub fn report_error<'tcx>( ], UnsupportedForeignItem(_) => { vec![ - note!("if this is a basic API commonly used on this target, please report an issue with Miri"), - note!("however, note that Miri does not aim to support every FFI function out there; for instance, we will not support APIs for things such as GUIs, scripting languages, or databases"), + note!("this means the program tried to do something Miri does not support; it does not indicate a bug in the program"), ] } StackedBorrowsUb { help, history, .. } => { diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index a90c6ab9d40..8fe034d2582 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -354,11 +354,10 @@ pub fn create_ecx<'tcx>( argvs.push(arg_place.to_ref(&ecx)); } // Make an array with all these pointers, in the Miri memory. - let argvs_layout = ecx.layout_of(Ty::new_array( - tcx, - Ty::new_imm_ptr(tcx, tcx.types.u8), - u64::try_from(argvs.len()).unwrap(), - ))?; + let u8_ptr_type = Ty::new_imm_ptr(tcx, tcx.types.u8); + let u8_ptr_ptr_type = Ty::new_imm_ptr(tcx, u8_ptr_type); + let argvs_layout = + ecx.layout_of(Ty::new_array(tcx, u8_ptr_type, u64::try_from(argvs.len()).unwrap()))?; let argvs_place = ecx.allocate(argvs_layout, MiriMemoryKind::Machine.into())?; for (idx, arg) in argvs.into_iter().enumerate() { let place = ecx.project_field(&argvs_place, idx)?; @@ -373,10 +372,8 @@ pub fn create_ecx<'tcx>( ecx.mark_immutable(&argc_place); ecx.machine.argc = Some(argc_place.ptr()); - let argv_place = ecx.allocate( - ecx.layout_of(Ty::new_imm_ptr(tcx, tcx.types.unit))?, - MiriMemoryKind::Machine.into(), - )?; + let argv_place = + ecx.allocate(ecx.layout_of(u8_ptr_ptr_type)?, MiriMemoryKind::Machine.into())?; ecx.write_pointer(argvs_place.ptr(), &argv_place)?; ecx.mark_immutable(&argv_place); ecx.machine.argv = Some(argv_place.ptr()); @@ -398,7 +395,9 @@ pub fn create_ecx<'tcx>( } ecx.mark_immutable(&cmd_place); } - ecx.mplace_to_ref(&argvs_place)? + let imm = argvs_place.to_ref(&ecx); + let layout = ecx.layout_of(u8_ptr_ptr_type)?; + ImmTy::from_immediate(imm, layout) }; // Return place (in static memory so that it does not count as leak). diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index d2a73516623..dcc74b099d6 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -135,7 +135,7 @@ pub fn iter_exported_symbols<'tcx>( let codegen_attrs = tcx.codegen_fn_attrs(def_id); codegen_attrs.contains_extern_indicator() || codegen_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) - || codegen_attrs.flags.contains(CodegenFnAttrFlags::USED) + || codegen_attrs.flags.contains(CodegenFnAttrFlags::USED_COMPILER) || codegen_attrs.flags.contains(CodegenFnAttrFlags::USED_LINKER) }; if exported { @@ -470,7 +470,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { caller_fn_abi, &args.iter().map(|a| FnArg::Copy(a.clone().into())).collect::<Vec<_>>(), /*with_caller_location*/ false, - &dest, + &dest.into(), stack_pop, ) } @@ -933,7 +933,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Check that the calling convention is what we expect. - fn check_callconv<'a>(&self, fn_abi: &FnAbi<'tcx, Ty<'tcx>>, exp_abi: Conv) -> InterpResult<'a, ()> { + fn check_callconv<'a>( + &self, + fn_abi: &FnAbi<'tcx, Ty<'tcx>>, + exp_abi: Conv, + ) -> InterpResult<'a, ()> { if fn_abi.conv != exp_abi { throw_ub_format!( "calling a function with calling convention {exp_abi} using caller calling convention {}", @@ -1408,3 +1412,26 @@ pub(crate) fn windows_check_buffer_size((success, len): (bool, u64)) -> u32 { u32::try_from(len).unwrap() } } + +/// We don't support 16-bit systems, so let's have ergonomic conversion from `u32` to `usize`. +pub trait ToUsize { + fn to_usize(self) -> usize; +} + +impl ToUsize for u32 { + fn to_usize(self) -> usize { + self.try_into().unwrap() + } +} + +/// Similarly, a maximum address size of `u64` is assumed widely here, so let's have ergonomic +/// converion from `usize` to `u64`. +pub trait ToU64 { + fn to_u64(self) -> u64; +} + +impl ToU64 for usize { + fn to_u64(self) -> u64 { + self.try_into().unwrap() + } +} diff --git a/src/tools/miri/src/intrinsics/atomic.rs b/src/tools/miri/src/intrinsics/atomic.rs index 2eb8086f578..a61226eeed9 100644 --- a/src/tools/miri/src/intrinsics/atomic.rs +++ b/src/tools/miri/src/intrinsics/atomic.rs @@ -1,4 +1,5 @@ use rustc_middle::mir::BinOp; +use rustc_middle::ty::AtomicOrdering; use rustc_middle::{mir, ty}; use self::helpers::check_intrinsic_arg_count; @@ -19,6 +20,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_atomic_intrinsic( &mut self, intrinsic_name: &str, + generic_args: ty::GenericArgsRef<'tcx>, args: &[OpTy<'tcx>], dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { @@ -35,6 +37,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } + fn read_ord_const_generic(o: AtomicOrdering) -> AtomicReadOrd { + match o { + AtomicOrdering::SeqCst => AtomicReadOrd::SeqCst, + AtomicOrdering::Acquire => AtomicReadOrd::Acquire, + AtomicOrdering::Relaxed => AtomicReadOrd::Relaxed, + _ => panic!("invalid read ordering `{o:?}`"), + } + } + fn write_ord(ord: &str) -> AtomicWriteOrd { match ord { "seqcst" => AtomicWriteOrd::SeqCst, @@ -66,7 +77,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } match &*intrinsic_structure { - ["load", ord] => this.atomic_load(args, dest, read_ord(ord))?, + // New-style intrinsics that use const generics + ["load"] => { + let ordering = generic_args.const_at(1).to_value(); + let ordering = + ordering.valtree.unwrap_branch()[0].unwrap_leaf().to_atomic_ordering(); + this.atomic_load(args, dest, read_ord_const_generic(ordering))?; + } + + // Old-style intrinsics that have the ordering in the intrinsic name ["store", ord] => this.atomic_store(args, write_ord(ord))?, ["fence", ord] => this.atomic_fence_intrinsic(args, fence_ord(ord))?, diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 982fbc31811..a4882a20148 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -22,7 +22,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, instance: ty::Instance<'tcx>, args: &[OpTy<'tcx>], - dest: &MPlaceTy<'tcx>, + dest: &PlaceTy<'tcx>, ret: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option<ty::Instance<'tcx>>> { @@ -45,7 +45,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let intrinsic_name = this.tcx.item_name(instance.def_id()); let intrinsic_name = intrinsic_name.as_str(); - match this.emulate_intrinsic_by_name(intrinsic_name, instance.args, args, dest, ret)? { + // FIXME: avoid allocating memory + let dest = this.force_allocation(dest)?; + + match this.emulate_intrinsic_by_name(intrinsic_name, instance.args, args, &dest, ret)? { EmulateItemResult::NotSupported => { // We haven't handled the intrinsic, let's see if we can use a fallback body. if this.tcx.intrinsic(instance.def_id()).unwrap().must_be_overridden { @@ -94,7 +97,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let this = self.eval_context_mut(); if let Some(name) = intrinsic_name.strip_prefix("atomic_") { - return this.emulate_atomic_intrinsic(name, args, dest); + return this.emulate_atomic_intrinsic(name, generic_args, args, dest); } if let Some(name) = intrinsic_name.strip_prefix("simd_") { return this.emulate_simd_intrinsic(name, generic_args, args, dest); @@ -156,67 +159,6 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.write_scalar(Scalar::from_bool(branch), dest)?; } - "floorf16" | "ceilf16" | "truncf16" | "roundf16" | "round_ties_even_f16" => { - let [f] = check_intrinsic_arg_count(args)?; - let f = this.read_scalar(f)?.to_f16()?; - let mode = match intrinsic_name { - "floorf16" => Round::TowardNegative, - "ceilf16" => Round::TowardPositive, - "truncf16" => Round::TowardZero, - "roundf16" => Round::NearestTiesToAway, - "round_ties_even_f16" => Round::NearestTiesToEven, - _ => bug!(), - }; - let res = f.round_to_integral(mode).value; - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } - "floorf32" | "ceilf32" | "truncf32" | "roundf32" | "round_ties_even_f32" => { - let [f] = check_intrinsic_arg_count(args)?; - let f = this.read_scalar(f)?.to_f32()?; - let mode = match intrinsic_name { - "floorf32" => Round::TowardNegative, - "ceilf32" => Round::TowardPositive, - "truncf32" => Round::TowardZero, - "roundf32" => Round::NearestTiesToAway, - "round_ties_even_f32" => Round::NearestTiesToEven, - _ => bug!(), - }; - let res = f.round_to_integral(mode).value; - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } - "floorf64" | "ceilf64" | "truncf64" | "roundf64" | "round_ties_even_f64" => { - let [f] = check_intrinsic_arg_count(args)?; - let f = this.read_scalar(f)?.to_f64()?; - let mode = match intrinsic_name { - "floorf64" => Round::TowardNegative, - "ceilf64" => Round::TowardPositive, - "truncf64" => Round::TowardZero, - "roundf64" => Round::NearestTiesToAway, - "round_ties_even_f64" => Round::NearestTiesToEven, - _ => bug!(), - }; - let res = f.round_to_integral(mode).value; - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } - "floorf128" | "ceilf128" | "truncf128" | "roundf128" | "round_ties_even_f128" => { - let [f] = check_intrinsic_arg_count(args)?; - let f = this.read_scalar(f)?.to_f128()?; - let mode = match intrinsic_name { - "floorf128" => Round::TowardNegative, - "ceilf128" => Round::TowardPositive, - "truncf128" => Round::TowardZero, - "roundf128" => Round::NearestTiesToAway, - "round_ties_even_f128" => Round::NearestTiesToEven, - _ => bug!(), - }; - let res = f.round_to_integral(mode).value; - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } - "sqrtf32" => { let [f] = check_intrinsic_arg_count(args)?; let f = this.read_scalar(f)?.to_f32()?; diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index c9250ba1b81..b17fd4fb7f9 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -634,7 +634,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let index_len = index.len(); assert_eq!(left_len, right_len); - assert_eq!(index_len as u64, dest_len); + assert_eq!(u64::try_from(index_len).unwrap(), dest_len); for i in 0..dest_len { let src_index: u64 = diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 0b7a067058b..51ec19af52a 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -1,5 +1,6 @@ +#![cfg_attr(bootstrap, feature(cfg_match))] +#![cfg_attr(not(bootstrap), feature(cfg_select))] #![feature(rustc_private)] -#![feature(cfg_match)] #![feature(float_gamma)] #![feature(float_erf)] #![feature(map_try_insert)] @@ -11,6 +12,7 @@ #![feature(nonzero_ops)] #![feature(strict_overflow_ops)] #![feature(pointer_is_aligned_to)] +#![feature(ptr_metadata)] #![feature(unqualified_local_imports)] #![feature(derive_coerce_pointee)] #![feature(arbitrary_self_types)] @@ -41,14 +43,7 @@ rustc::potential_query_instability, rustc::untranslatable_diagnostic, )] -#![warn( - rust_2018_idioms, - unqualified_local_imports, - clippy::cast_possible_wrap, // unsigned -> signed - clippy::cast_sign_loss, // signed -> unsigned - clippy::cast_lossless, - clippy::cast_possible_truncation, -)] +#![warn(rust_2018_idioms, unqualified_local_imports, clippy::as_conversions)] // Needed for rustdoc from bootstrap (with `-Znormalize-docs`). #![recursion_limit = "256"] @@ -60,7 +55,7 @@ extern crate tracing; extern crate rustc_abi; extern crate rustc_apfloat; extern crate rustc_ast; -extern crate rustc_attr_parsing; +extern crate rustc_attr_data_structures; extern crate rustc_const_eval; extern crate rustc_data_structures; extern crate rustc_errors; @@ -76,8 +71,8 @@ extern crate rustc_target; #[allow(unused_extern_crates)] extern crate rustc_driver; +mod alloc; mod alloc_addresses; -mod alloc_bytes; mod borrow_tracker; mod clock; mod concurrency; @@ -112,8 +107,8 @@ pub type OpTy<'tcx> = interpret::OpTy<'tcx, machine::Provenance>; pub type PlaceTy<'tcx> = interpret::PlaceTy<'tcx, machine::Provenance>; pub type MPlaceTy<'tcx> = interpret::MPlaceTy<'tcx, machine::Provenance>; +pub use crate::alloc::MiriAllocBytes; pub use crate::alloc_addresses::{EvalContextExt as _, ProvenanceMode}; -pub use crate::alloc_bytes::MiriAllocBytes; pub use crate::borrow_tracker::stacked_borrows::{ EvalContextExt as _, Item, Permission, Stack, Stacks, }; @@ -140,7 +135,7 @@ pub use crate::eval::{ AlignmentCheck, BacktraceStyle, IsolatedOp, MiriConfig, MiriEntryFnType, RejectOpWith, ValidationMode, create_ecx, eval_entry, }; -pub use crate::helpers::{AccessKind, EvalContextExt as _}; +pub use crate::helpers::{AccessKind, EvalContextExt as _, ToU64 as _, ToUsize as _}; pub use crate::intrinsics::EvalContextExt as _; pub use crate::machine::{ AllocExtra, DynMachineCallback, FrameExtra, MachineCallback, MemoryKind, MiriInterpCx, diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index dbde415170c..15b3653d7ae 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -13,7 +13,7 @@ use rand::rngs::StdRng; use rand::{Rng, SeedableRng}; use rustc_abi::{Align, ExternAbi, Size}; use rustc_apfloat::{Float, FloatConvert}; -use rustc_attr_parsing::InlineAttr; +use rustc_attr_data_structures::InlineAttr; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; #[allow(unused)] use rustc_data_structures::static_assert_size; @@ -532,6 +532,10 @@ pub struct MiriMachine<'tcx> { /// Needs to be queried by ptr_to_int, hence needs interior mutability. pub(crate) rng: RefCell<StdRng>, + /// The allocator used for the machine's `AllocBytes` in native-libs mode. + #[cfg(target_os = "linux")] + pub(crate) allocator: Option<Rc<RefCell<crate::alloc::isolated_alloc::IsolatedAlloc>>>, + /// The allocation IDs to report when they are being allocated /// (helps for debugging memory leaks and use after free bugs). tracked_alloc_ids: FxHashSet<AllocId>, @@ -544,9 +548,6 @@ pub struct MiriMachine<'tcx> { /// Failure rate of compare_exchange_weak, between 0.0 and 1.0 pub(crate) cmpxchg_weak_failure_rate: f64, - /// Corresponds to -Zmiri-mute-stdout-stderr and doesn't write the output but acts as if it succeeded. - pub(crate) mute_stdout_stderr: bool, - /// The probability of the active thread being preempted at the end of each basic block. pub(crate) preemption_rate: f64, @@ -718,11 +719,14 @@ impl<'tcx> MiriMachine<'tcx> { local_crates, extern_statics: FxHashMap::default(), rng: RefCell::new(rng), + #[cfg(target_os = "linux")] + allocator: if config.native_lib.is_some() { + Some(Rc::new(RefCell::new(crate::alloc::isolated_alloc::IsolatedAlloc::new()))) + } else { None }, tracked_alloc_ids: config.tracked_alloc_ids.clone(), track_alloc_accesses: config.track_alloc_accesses, check_alignment: config.check_alignment, cmpxchg_weak_failure_rate: config.cmpxchg_weak_failure_rate, - mute_stdout_stderr: config.mute_stdout_stderr, preemption_rate: config.preemption_rate, report_progress: config.report_progress, basic_block_count: 0, @@ -921,11 +925,12 @@ impl VisitProvenance for MiriMachine<'_> { backtrace_style: _, local_crates: _, rng: _, + #[cfg(target_os = "linux")] + allocator: _, tracked_alloc_ids: _, track_alloc_accesses: _, check_alignment: _, cmpxchg_weak_failure_rate: _, - mute_stdout_stderr: _, preemption_rate: _, report_progress: _, basic_block_count: _, @@ -1120,7 +1125,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { instance: ty::Instance<'tcx>, abi: &FnAbi<'tcx, Ty<'tcx>>, args: &[FnArg<'tcx, Provenance>], - dest: &MPlaceTy<'tcx>, + dest: &PlaceTy<'tcx>, ret: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { @@ -1147,7 +1152,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn_val: DynSym, abi: &FnAbi<'tcx, Ty<'tcx>>, args: &[FnArg<'tcx, Provenance>], - dest: &MPlaceTy<'tcx>, + dest: &PlaceTy<'tcx>, ret: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { @@ -1160,7 +1165,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { ecx: &mut MiriInterpCx<'tcx>, instance: ty::Instance<'tcx>, args: &[OpTy<'tcx>], - dest: &MPlaceTy<'tcx>, + dest: &PlaceTy<'tcx>, ret: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option<ty::Instance<'tcx>>> { @@ -1639,15 +1644,21 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { interp_ok(()) } - fn before_stack_pop( - ecx: &InterpCx<'tcx, Self>, - frame: &Frame<'tcx, Self::Provenance, Self::FrameExtra>, - ) -> InterpResult<'tcx> { + fn before_stack_pop(ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { + let frame = ecx.frame(); // We want this *before* the return value copy, because the return place itself is protected - // until we do `end_call` here. + // until we do `on_stack_pop` here, and we need to un-protect it to copy the return value. if ecx.machine.borrow_tracker.is_some() { ecx.on_stack_pop(frame)?; } + if frame.extra.is_user_relevant { + // All that we store is whether or not the frame we just removed is local, so now we + // have no idea where the next topmost local frame is. So we recompute it. + // (If this ever becomes a bottleneck, we could have `push` store the previous + // user-relevant frame and restore that here.) + // We have to skip the frame that is just being popped. + ecx.active_thread_mut().recompute_top_user_relevant_frame(/* skip */ 1); + } // tracing-tree can autoamtically annotate scope changes, but it gets very confused by our // concurrency and what it prints is just plain wrong. So we print our own information // instead. (Cc https://github.com/rust-lang/miri/issues/2266) @@ -1661,15 +1672,8 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { frame: Frame<'tcx, Provenance, FrameExtra<'tcx>>, unwinding: bool, ) -> InterpResult<'tcx, ReturnAction> { - if frame.extra.is_user_relevant { - // All that we store is whether or not the frame we just removed is local, so now we - // have no idea where the next topmost local frame is. So we recompute it. - // (If this ever becomes a bottleneck, we could have `push` store the previous - // user-relevant frame and restore that here.) - ecx.active_thread_mut().recompute_top_user_relevant_frame(); - } let res = { - // Move `frame`` into a sub-scope so we control when it will be dropped. + // Move `frame` into a sub-scope so we control when it will be dropped. let mut frame = frame; let timing = frame.extra.timing.take(); let res = ecx.handle_stack_pop_unwind(frame.extra, unwinding); @@ -1781,7 +1785,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { let is_generic = instance .args .into_iter() - .any(|kind| !matches!(kind.unpack(), ty::GenericArgKind::Lifetime(_))); + .any(|arg| !matches!(arg.kind(), ty::GenericArgKind::Lifetime(_))); let can_be_inlined = matches!( ecx.tcx.sess.opts.unstable_opts.cross_crate_inline_threshold, InliningThreshold::Always @@ -1809,6 +1813,18 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { ) -> Cow<'e, RangeSet> { Cow::Borrowed(ecx.machine.union_data_ranges.entry(ty).or_insert_with(compute_range)) } + + fn get_default_alloc_params(&self) -> <Self::Bytes as AllocBytes>::AllocParams { + use crate::alloc::MiriAllocParams; + + #[cfg(target_os = "linux")] + match &self.allocator { + Some(alloc) => MiriAllocParams::Isolated(alloc.clone()), + None => MiriAllocParams::Global, + } + #[cfg(not(target_os = "linux"))] + MiriAllocParams::Global + } } /// Trait for callbacks handling asynchronous machine operations. diff --git a/src/tools/miri/src/range_map.rs b/src/tools/miri/src/range_map.rs index 2c2484cd0bc..29a5a8537a4 100644 --- a/src/tools/miri/src/range_map.rs +++ b/src/tools/miri/src/range_map.rs @@ -31,6 +31,11 @@ impl<T> RangeMap<T> { RangeMap { v } } + pub fn size(&self) -> Size { + let size = self.v.last().map(|x| x.range.end).unwrap_or(0); + Size::from_bytes(size) + } + /// Finds the index containing the given offset. fn find_offset(&self, offset: u64) -> usize { self.v @@ -71,10 +76,7 @@ impl<T> RangeMap<T> { }; // The first offset that is not included any more. let end = offset + len; - assert!( - end <= self.v.last().unwrap().range.end, - "iterating beyond the bounds of this RangeMap" - ); + assert!(end <= self.size().bytes(), "iterating beyond the bounds of this RangeMap"); slice .iter() .take_while(move |elem| elem.range.start < end) @@ -327,4 +329,16 @@ mod tests { let map = RangeMap::<i32>::new(Size::from_bytes(20), -1); let _ = map.iter(Size::from_bytes(11), Size::from_bytes(11)); } + + #[test] + fn empty_map_iter() { + let map = RangeMap::<i32>::new(Size::from_bytes(0), -1); + let _ = map.iter(Size::from_bytes(0), Size::from_bytes(0)); + } + + #[test] + fn empty_map_iter_mut() { + let mut map = RangeMap::<i32>::new(Size::from_bytes(0), -1); + let _ = map.iter_mut(Size::from_bytes(0), Size::from_bytes(0)); + } } diff --git a/src/tools/miri/src/shims/backtrace.rs b/src/tools/miri/src/shims/backtrace.rs index 7e667e70a17..9f3bc06771f 100644 --- a/src/tools/miri/src/shims/backtrace.rs +++ b/src/tools/miri/src/shims/backtrace.rs @@ -25,7 +25,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let frame_count = this.active_thread_stack().len(); - this.write_scalar(Scalar::from_target_usize(frame_count.try_into().unwrap(), this), dest) + this.write_scalar(Scalar::from_target_usize(frame_count.to_u64(), this), dest) } fn handle_miri_get_backtrace( @@ -70,7 +70,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } 1 => for (i, ptr) in ptrs.into_iter().enumerate() { - let offset = ptr_layout.size.checked_mul(i.try_into().unwrap(), this).unwrap(); + let offset = ptr_layout.size.checked_mul(i.to_u64(), this).unwrap(); let op_place = buf_place.offset(offset, ptr_layout, this)?; @@ -158,11 +158,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } 1 => { this.write_scalar( - Scalar::from_target_usize(name.len().try_into().unwrap(), this), + Scalar::from_target_usize(name.len().to_u64(), this), &this.project_field(dest, 0)?, )?; this.write_scalar( - Scalar::from_target_usize(filename.len().try_into().unwrap(), this), + Scalar::from_target_usize(filename.len().to_u64(), this), &this.project_field(dest, 1)?, )?; } diff --git a/src/tools/miri/src/shims/files.rs b/src/tools/miri/src/shims/files.rs index 42603e784bb..606d1ffbea6 100644 --- a/src/tools/miri/src/shims/files.rs +++ b/src/tools/miri/src/shims/files.rs @@ -135,7 +135,10 @@ pub trait FileDescription: std::fmt::Debug + FileDescriptionExt { /// Reads as much as possible into the given buffer `ptr`. /// `len` indicates how many bytes we should try to read. - /// `dest` is where the return value should be stored: number of bytes read, or `-1` in case of error. + /// + /// When the read is done, `finish` will be called. Note that `read` itself may return before + /// that happens! Everything that should happen "after" the `read` needs to happen inside + /// `finish`. fn read<'tcx>( self: FileDescriptionRef<Self>, _communicate_allowed: bool, @@ -149,7 +152,10 @@ pub trait FileDescription: std::fmt::Debug + FileDescriptionExt { /// Writes as much as possible from the given buffer `ptr`. /// `len` indicates how many bytes we should try to write. - /// `dest` is where the return value should be stored: number of bytes written, or `-1` in case of error. + /// + /// When the write is done, `finish` will be called. Note that `write` itself may return before + /// that happens! Everything that should happen "after" the `write` needs to happen inside + /// `finish`. fn write<'tcx>( self: FileDescriptionRef<Self>, _communicate_allowed: bool, @@ -196,6 +202,20 @@ pub trait FileDescription: std::fmt::Debug + FileDescriptionExt { fn as_unix<'tcx>(&self, _ecx: &MiriInterpCx<'tcx>) -> &dyn UnixFileDescription { panic!("Not a unix file descriptor: {}", self.name()); } + + /// Implementation of fcntl(F_GETFL) for this FD. + fn get_flags<'tcx>(&self, _ecx: &mut MiriInterpCx<'tcx>) -> InterpResult<'tcx, Scalar> { + throw_unsup_format!("fcntl: {} is not supported for F_GETFL", self.name()); + } + + /// Implementation of fcntl(F_SETFL) for this FD. + fn set_flags<'tcx>( + &self, + _flag: i32, + _ecx: &mut MiriInterpCx<'tcx>, + ) -> InterpResult<'tcx, Scalar> { + throw_unsup_format!("fcntl: {} is not supported for F_SETFL", self.name()); + } } impl FileDescription for io::Stdin { diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index 52c16a0c2e2..b08b522d279 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -43,7 +43,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { link_name: Symbol, abi: &FnAbi<'tcx, Ty<'tcx>>, args: &[OpTy<'tcx>], - dest: &MPlaceTy<'tcx>, + dest: &PlaceTy<'tcx>, ret: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { @@ -69,8 +69,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { _ => {} } + // FIXME: avoid allocating memory + let dest = this.force_allocation(dest)?; + // The rest either implements the logic, or falls back to `lookup_exported_symbol`. - match this.emulate_foreign_item_inner(link_name, abi, args, dest)? { + match this.emulate_foreign_item_inner(link_name, abi, args, &dest)? { EmulateItemResult::NeedsReturn => { trace!("{:?}", this.dump_place(&dest.clone().into())); this.return_to_block(ret)?; @@ -111,7 +114,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { sym: DynSym, abi: &FnAbi<'tcx, Ty<'tcx>>, args: &[OpTy<'tcx>], - dest: &MPlaceTy<'tcx>, + dest: &PlaceTy<'tcx>, ret: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { @@ -639,7 +642,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let val = this.read_scalar(val)?.to_i32()?; let num = this.read_target_usize(num)?; // The docs say val is "interpreted as unsigned char". - #[expect(clippy::cast_sign_loss, clippy::cast_possible_truncation)] + #[expect(clippy::as_conversions)] let val = val as u8; // C requires that this must always be a valid pointer (C18 §7.1.4). @@ -665,7 +668,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let val = this.read_scalar(val)?.to_i32()?; let num = this.read_target_usize(num)?; // The docs say val is "interpreted as unsigned char". - #[expect(clippy::cast_sign_loss, clippy::cast_possible_truncation)] + #[expect(clippy::as_conversions)] let val = val as u8; // C requires that this must always be a valid pointer (C18 §7.1.4). @@ -676,7 +679,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { .iter() .position(|&c| c == val); if let Some(idx) = idx { - let new_ptr = ptr.wrapping_offset(Size::from_bytes(idx as u64), this); + let new_ptr = ptr.wrapping_offset(Size::from_bytes(idx), this); this.write_pointer(new_ptr, dest)?; } else { this.write_null(dest)?; diff --git a/src/tools/miri/src/shims/io_error.rs b/src/tools/miri/src/shims/io_error.rs index acf3f74a93d..e597b527cb7 100644 --- a/src/tools/miri/src/shims/io_error.rs +++ b/src/tools/miri/src/shims/io_error.rs @@ -1,4 +1,5 @@ use std::io; +use std::io::ErrorKind; use crate::*; @@ -13,6 +14,29 @@ pub enum IoError { } pub use self::IoError::*; +impl IoError { + pub(crate) fn into_ntstatus(self) -> i32 { + let raw = match self { + HostError(e) => + match e.kind() { + // STATUS_MEDIA_WRITE_PROTECTED + ErrorKind::ReadOnlyFilesystem => 0xC00000A2u32, + // STATUS_FILE_INVALID + ErrorKind::InvalidInput => 0xC0000098, + // STATUS_DISK_FULL + ErrorKind::QuotaExceeded => 0xC000007F, + // STATUS_ACCESS_DENIED + ErrorKind::PermissionDenied => 0xC0000022, + // For the default error code we arbitrarily pick 0xC0000185, STATUS_IO_DEVICE_ERROR. + _ => 0xC0000185, + }, + // For the default error code we arbitrarily pick 0xC0000185, STATUS_IO_DEVICE_ERROR. + _ => 0xC0000185, + }; + raw.cast_signed() + } +} + impl From<io::Error> for IoError { fn from(value: io::Error) -> Self { IoError::HostError(value) diff --git a/src/tools/miri/src/shims/native_lib.rs b/src/tools/miri/src/shims/native_lib.rs index 0258a76c3e7..1e6c93333c1 100644 --- a/src/tools/miri/src/shims/native_lib.rs +++ b/src/tools/miri/src/shims/native_lib.rs @@ -92,16 +92,11 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { fn get_func_ptr_explicitly_from_lib(&mut self, link_name: Symbol) -> Option<CodePtr> { let this = self.eval_context_mut(); // Try getting the function from the shared library. - // On windows `_lib_path` will be unused, hence the name starting with `_`. - let (lib, _lib_path) = this.machine.native_lib.as_ref().unwrap(); - let func: libloading::Symbol<'_, unsafe extern "C" fn()> = unsafe { - match lib.get(link_name.as_str().as_bytes()) { - Ok(x) => x, - Err(_) => { - return None; - } - } - }; + let (lib, lib_path) = this.machine.native_lib.as_ref().unwrap(); + let func: libloading::Symbol<'_, unsafe extern "C" fn()> = + unsafe { lib.get(link_name.as_str().as_bytes()).ok()? }; + #[expect(clippy::as_conversions)] // fn-ptr to raw-ptr cast needs `as`. + let fn_ptr = *func.deref() as *mut std::ffi::c_void; // FIXME: this is a hack! // The `libloading` crate will automatically load system libraries like `libc`. @@ -114,18 +109,25 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // This code is a reimplementation of the mechanism for getting `dli_fname` in `libloading`, // from: https://docs.rs/libloading/0.7.3/src/libloading/os/unix/mod.rs.html#411 // using the `libc` crate where this interface is public. - let mut info = std::mem::MaybeUninit::<libc::Dl_info>::uninit(); + let mut info = std::mem::MaybeUninit::<libc::Dl_info>::zeroed(); unsafe { - if libc::dladdr(*func.deref() as *const _, info.as_mut_ptr()) != 0 { - if std::ffi::CStr::from_ptr(info.assume_init().dli_fname).to_str().unwrap() - != _lib_path.to_str().unwrap() + if libc::dladdr(fn_ptr, info.as_mut_ptr()) != 0 { + let info = info.assume_init(); + #[cfg(target_os = "cygwin")] + let fname_ptr = info.dli_fname.as_ptr(); + #[cfg(not(target_os = "cygwin"))] + let fname_ptr = info.dli_fname; + assert!(!fname_ptr.is_null()); + if std::ffi::CStr::from_ptr(fname_ptr).to_str().unwrap() + != lib_path.to_str().unwrap() { return None; } } } + // Return a pointer to the function. - Some(CodePtr(*func.deref() as *mut _)) + Some(CodePtr(fn_ptr)) } } diff --git a/src/tools/miri/src/shims/panic.rs b/src/tools/miri/src/shims/panic.rs index b5ed5ea837b..549d859a6e1 100644 --- a/src/tools/miri/src/shims/panic.rs +++ b/src/tools/miri/src/shims/panic.rs @@ -56,7 +56,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { interp_ok(()) } - /// Handles the `try` intrinsic, the underlying implementation of `std::panicking::try`. + /// Handles the `catch_unwind` intrinsic. fn handle_catch_unwind( &mut self, args: &[OpTy<'tcx>], @@ -66,7 +66,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let this = self.eval_context_mut(); // Signature: - // fn r#try(try_fn: fn(*mut u8), data: *mut u8, catch_fn: fn(*mut u8, *mut u8)) -> i32 + // fn catch_unwind(try_fn: fn(*mut u8), data: *mut u8, catch_fn: fn(*mut u8, *mut u8)) -> i32 // Calls `try_fn` with `data` as argument. If that executes normally, returns 0. // If that unwinds, calls `catch_fn` with the first argument being `data` and // then second argument being a target-dependent `payload` (i.e. it is up to us to define @@ -120,14 +120,14 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // We only care about `catch_panic` if we're unwinding - if we're doing a normal // return, then we don't need to do anything special. if let (true, Some(catch_unwind)) = (unwinding, extra.catch_unwind.take()) { - // We've just popped a frame that was pushed by `try`, + // We've just popped a frame that was pushed by `catch_unwind`, // and we are unwinding, so we should catch that. trace!( "unwinding: found catch_panic frame during unwinding: {:?}", this.frame().instance() ); - // We set the return value of `try` to 1, since there was a panic. + // We set the return value of `catch_unwind` to 1, since there was a panic. this.write_scalar(Scalar::from_i32(1), &catch_unwind.dest)?; // The Thread's `panic_payload` holds what was passed to `miri_start_unwind`. @@ -142,7 +142,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ExternAbi::Rust, &[catch_unwind.data, payload], None, - // Directly return to caller of `try`. + // Directly return to caller of `catch_unwind`. StackPopCleanup::Goto { ret: catch_unwind.ret, // `catch_fn` must not unwind. diff --git a/src/tools/miri/src/shims/unix/android/thread.rs b/src/tools/miri/src/shims/unix/android/thread.rs index 30ec0aefcbf..aa3a05ead85 100644 --- a/src/tools/miri/src/shims/unix/android/thread.rs +++ b/src/tools/miri/src/shims/unix/android/thread.rs @@ -7,7 +7,7 @@ use crate::helpers::check_min_vararg_count; use crate::shims::unix::thread::{EvalContextExt as _, ThreadNameResult}; use crate::*; -const TASK_COMM_LEN: usize = 16; +const TASK_COMM_LEN: u64 = 16; pub fn prctl<'tcx>( ecx: &mut MiriInterpCx<'tcx>, @@ -38,7 +38,7 @@ pub fn prctl<'tcx>( let [name] = check_min_vararg_count("prctl(PR_GET_NAME, ...)", varargs)?; let name = ecx.read_scalar(name)?; let thread = ecx.pthread_self()?; - let len = Scalar::from_target_usize(TASK_COMM_LEN as u64, ecx); + let len = Scalar::from_target_usize(TASK_COMM_LEN, ecx); ecx.check_ptr_access( name.to_pointer(ecx)?, Size::from_bytes(TASK_COMM_LEN), diff --git a/src/tools/miri/src/shims/unix/fd.rs b/src/tools/miri/src/shims/unix/fd.rs index 156814a26fa..71102d9f2f3 100644 --- a/src/tools/miri/src/shims/unix/fd.rs +++ b/src/tools/miri/src/shims/unix/fd.rs @@ -141,6 +141,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f_getfd = this.eval_libc_i32("F_GETFD"); let f_dupfd = this.eval_libc_i32("F_DUPFD"); let f_dupfd_cloexec = this.eval_libc_i32("F_DUPFD_CLOEXEC"); + let f_getfl = this.eval_libc_i32("F_GETFL"); + let f_setfl = this.eval_libc_i32("F_SETFL"); // We only support getting the flags for a descriptor. match cmd { @@ -175,6 +177,25 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.set_last_error_and_return_i32(LibcError("EBADF")) } } + cmd if cmd == f_getfl => { + // Check if this is a valid open file descriptor. + let Some(fd) = this.machine.fds.get(fd_num) else { + return this.set_last_error_and_return_i32(LibcError("EBADF")); + }; + + fd.get_flags(this) + } + cmd if cmd == f_setfl => { + // Check if this is a valid open file descriptor. + let Some(fd) = this.machine.fds.get(fd_num) else { + return this.set_last_error_and_return_i32(LibcError("EBADF")); + }; + + let [flag] = check_min_vararg_count("fcntl(fd, F_SETFL, ...)", varargs)?; + let flag = this.read_scalar(flag)?.to_i32()?; + + fd.set_flags(flag, this) + } cmd if this.tcx.sess.target.os == "macos" && cmd == this.eval_libc_i32("F_FULLFSYNC") => { diff --git a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs index 21a386b2927..533a741fea3 100644 --- a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs @@ -24,7 +24,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Threading "pthread_setname_np" => { let [thread, name] = this.check_shim(abi, Conv::C, link_name, args)?; - let max_len = usize::MAX; // FreeBSD does not seem to have a limit. + let max_len = u64::MAX; // FreeBSD does not seem to have a limit. let res = match this.pthread_setname_np( this.read_scalar(thread)?, this.read_scalar(name)?, @@ -56,6 +56,70 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.write_scalar(res, dest)?; } + "cpuset_getaffinity" => { + // The "same" kind of api as `sched_getaffinity` but more fine grained control for FreeBSD specifically. + let [level, which, id, set_size, mask] = + this.check_shim(abi, Conv::C, link_name, args)?; + + let level = this.read_scalar(level)?.to_i32()?; + let which = this.read_scalar(which)?.to_i32()?; + let id = this.read_scalar(id)?.to_i64()?; + let set_size = this.read_target_usize(set_size)?; // measured in bytes + let mask = this.read_pointer(mask)?; + + let _level_root = this.eval_libc_i32("CPU_LEVEL_ROOT"); + let _level_cpuset = this.eval_libc_i32("CPU_LEVEL_CPUSET"); + let level_which = this.eval_libc_i32("CPU_LEVEL_WHICH"); + + let _which_tid = this.eval_libc_i32("CPU_WHICH_TID"); + let which_pid = this.eval_libc_i32("CPU_WHICH_PID"); + let _which_jail = this.eval_libc_i32("CPU_WHICH_JAIL"); + let _which_cpuset = this.eval_libc_i32("CPU_WHICH_CPUSET"); + let _which_irq = this.eval_libc_i32("CPU_WHICH_IRQ"); + + // For sched_getaffinity, the current process is identified by -1. + // TODO: Use gettid? I'm (LorrensP-2158466) not that familiar with this api . + let id = match id { + -1 => this.active_thread(), + _ => + throw_unsup_format!( + "`cpuset_getaffinity` is only supported with a pid of -1 (indicating the current thread)" + ), + }; + + if this.ptr_is_null(mask)? { + this.set_last_error_and_return(LibcError("EFAULT"), dest)?; + } + // We only support CPU_LEVEL_WHICH and CPU_WHICH_PID for now. + // This is the bare minimum to make the tests pass. + else if level != level_which || which != which_pid { + throw_unsup_format!( + "`cpuset_getaffinity` is only supported with `level` set to CPU_LEVEL_WHICH and `which` set to CPU_WHICH_PID." + ); + } else if let Some(cpuset) = this.machine.thread_cpu_affinity.get(&id) { + // `cpusetsize` must be large enough to contain the entire CPU mask. + // FreeBSD only uses `cpusetsize` to verify that it's sufficient for the kernel's CPU mask. + // If it's too small, the syscall returns ERANGE. + // If it's large enough, copying the kernel mask to user space is safe, regardless of the actual size. + // See https://github.com/freebsd/freebsd-src/blob/909aa6781340f8c0b4ae01c6366bf1556ee2d1be/sys/kern/kern_cpuset.c#L1985 + if set_size < u64::from(this.machine.num_cpus).div_ceil(8) { + this.set_last_error_and_return(LibcError("ERANGE"), dest)?; + } else { + let cpuset = cpuset.clone(); + let byte_count = + Ord::min(cpuset.as_slice().len(), set_size.try_into().unwrap()); + this.write_bytes_ptr( + mask, + cpuset.as_slice()[..byte_count].iter().copied(), + )?; + this.write_null(dest)?; + } + } else { + // `id` is always that of the active thread, so this is currently unreachable. + unreachable!(); + } + } + // Synchronization primitives "_umtx_op" => { let [obj, op, val, uaddr, uaddr2] = diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index 1f6acff0787..31cb269059c 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -89,8 +89,19 @@ impl UnixFileDescription for FileHandle { communicate_allowed: bool, op: FlockOp, ) -> InterpResult<'tcx, io::Result<()>> { + // cfg(bootstrap) + macro_rules! cfg_select_dispatch { + ($($tokens:tt)*) => { + #[cfg(bootstrap)] + cfg_match! { $($tokens)* } + + #[cfg(not(bootstrap))] + cfg_select! { $($tokens)* } + }; + } + assert!(communicate_allowed, "isolation should have prevented even opening a file"); - cfg_match! { + cfg_select_dispatch! { all(target_family = "unix", not(target_os = "solaris")) => { use std::os::fd::AsRawFd; @@ -121,13 +132,13 @@ impl UnixFileDescription for FileHandle { use std::os::windows::io::AsRawHandle; use windows_sys::Win32::Foundation::{ - ERROR_IO_PENDING, ERROR_LOCK_VIOLATION, FALSE, HANDLE, TRUE, + ERROR_IO_PENDING, ERROR_LOCK_VIOLATION, FALSE, TRUE, }; use windows_sys::Win32::Storage::FileSystem::{ LOCKFILE_EXCLUSIVE_LOCK, LOCKFILE_FAIL_IMMEDIATELY, LockFileEx, UnlockFile, }; - let fh = self.file.as_raw_handle() as HANDLE; + let fh = self.file.as_raw_handle(); use FlockOp::*; let (ret, lock_nb) = match op { diff --git a/src/tools/miri/src/shims/unix/linux/foreign_items.rs b/src/tools/miri/src/shims/unix/linux/foreign_items.rs index f5da7b0170b..51c2434d68a 100644 --- a/src/tools/miri/src/shims/unix/linux/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/linux/foreign_items.rs @@ -14,7 +14,7 @@ use crate::*; // The documentation of glibc complains that the kernel never exposes // TASK_COMM_LEN through the headers, so it's assumed to always be 16 bytes // long including a null terminator. -const TASK_COMM_LEN: usize = 16; +const TASK_COMM_LEN: u64 = 16; pub fn is_dyn_sym(name: &str) -> bool { matches!(name, "statx") @@ -96,7 +96,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // In case of glibc, the length of the output buffer must // be not shorter than TASK_COMM_LEN. let len = this.read_scalar(len)?; - let res = if len.to_target_usize(this)? >= TASK_COMM_LEN as u64 { + let res = if len.to_target_usize(this)? >= TASK_COMM_LEN { match this.pthread_getname_np( this.read_scalar(thread)?, this.read_scalar(name)?, diff --git a/src/tools/miri/src/shims/unix/macos/foreign_items.rs b/src/tools/miri/src/shims/unix/macos/foreign_items.rs index 5046e965082..0281bb9f71d 100644 --- a/src/tools/miri/src/shims/unix/macos/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/macos/foreign_items.rs @@ -186,7 +186,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let res = match this.pthread_setname_np( thread, this.read_scalar(name)?, - this.eval_libc("MAXTHREADNAMESIZE").to_target_usize(this)?.try_into().unwrap(), + this.eval_libc("MAXTHREADNAMESIZE").to_target_usize(this)?, /* truncate */ false, )? { ThreadNameResult::Ok => Scalar::from_u32(0), diff --git a/src/tools/miri/src/shims/unix/thread.rs b/src/tools/miri/src/shims/unix/thread.rs index 3d990a1a042..4b6615b3ea8 100644 --- a/src/tools/miri/src/shims/unix/thread.rs +++ b/src/tools/miri/src/shims/unix/thread.rs @@ -86,7 +86,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, thread: Scalar, name: Scalar, - name_max_len: usize, + name_max_len: u64, truncate: bool, ) -> InterpResult<'tcx, ThreadNameResult> { let this = self.eval_context_mut(); @@ -99,9 +99,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let mut name = this.read_c_str(name)?.to_owned(); // Comparing with `>=` to account for null terminator. - if name.len() >= name_max_len { + if name.len().to_u64() >= name_max_len { if truncate { - name.truncate(name_max_len.saturating_sub(1)); + name.truncate(name_max_len.saturating_sub(1).try_into().unwrap()); } else { return interp_ok(ThreadNameResult::NameTooLong); } diff --git a/src/tools/miri/src/shims/unix/unnamed_socket.rs b/src/tools/miri/src/shims/unix/unnamed_socket.rs index 135d8f6bee7..817ddd7954d 100644 --- a/src/tools/miri/src/shims/unix/unnamed_socket.rs +++ b/src/tools/miri/src/shims/unix/unnamed_socket.rs @@ -20,6 +20,16 @@ use crate::*; /// be configured in the real system. const MAX_SOCKETPAIR_BUFFER_CAPACITY: usize = 212992; +#[derive(Debug, PartialEq)] +enum AnonSocketType { + // Either end of the socketpair fd. + Socketpair, + // Read end of the pipe. + PipeRead, + // Write end of the pipe. + PipeWrite, +} + /// One end of a pair of connected unnamed sockets. #[derive(Debug)] struct AnonSocket { @@ -40,7 +50,10 @@ struct AnonSocket { /// A list of thread ids blocked because the buffer was full. /// Once another thread reads some bytes, these threads will be unblocked. blocked_write_tid: RefCell<Vec<ThreadId>>, - is_nonblock: bool, + /// Whether this fd is non-blocking or not. + is_nonblock: Cell<bool>, + // Differentiate between different AnonSocket fd types. + fd_type: AnonSocketType, } #[derive(Debug)] @@ -63,7 +76,10 @@ impl AnonSocket { impl FileDescription for AnonSocket { fn name(&self) -> &'static str { - "socketpair" + match self.fd_type { + AnonSocketType::Socketpair => "socketpair", + AnonSocketType::PipeRead | AnonSocketType::PipeWrite => "pipe", + } } fn close<'tcx>( @@ -110,6 +126,66 @@ impl FileDescription for AnonSocket { fn as_unix<'tcx>(&self, _ecx: &MiriInterpCx<'tcx>) -> &dyn UnixFileDescription { self } + + fn get_flags<'tcx>(&self, ecx: &mut MiriInterpCx<'tcx>) -> InterpResult<'tcx, Scalar> { + let mut flags = 0; + + // Get flag for file access mode. + // The flag for both socketpair and pipe will remain the same even when the peer + // fd is closed, so we need to look at the original type of this socket, not at whether + // the peer socket still exists. + match self.fd_type { + AnonSocketType::Socketpair => { + flags |= ecx.eval_libc_i32("O_RDWR"); + } + AnonSocketType::PipeRead => { + flags |= ecx.eval_libc_i32("O_RDONLY"); + } + AnonSocketType::PipeWrite => { + flags |= ecx.eval_libc_i32("O_WRONLY"); + } + } + + // Get flag for blocking status. + if self.is_nonblock.get() { + flags |= ecx.eval_libc_i32("O_NONBLOCK"); + } + + interp_ok(Scalar::from_i32(flags)) + } + + fn set_flags<'tcx>( + &self, + mut flag: i32, + ecx: &mut MiriInterpCx<'tcx>, + ) -> InterpResult<'tcx, Scalar> { + // FIXME: File creation flags should be ignored. + + let o_nonblock = ecx.eval_libc_i32("O_NONBLOCK"); + let o_rdonly = ecx.eval_libc_i32("O_RDONLY"); + let o_wronly = ecx.eval_libc_i32("O_WRONLY"); + let o_rdwr = ecx.eval_libc_i32("O_RDWR"); + + // O_NONBLOCK flag can be set / unset by user. + if flag & o_nonblock == o_nonblock { + self.is_nonblock.set(true); + flag &= !o_nonblock; + } else { + self.is_nonblock.set(false); + } + + // Ignore all file access mode flags. + flag &= !(o_rdonly | o_wronly | o_rdwr); + + // Throw error if there is any unsupported flag. + if flag != 0 { + throw_unsup_format!( + "fcntl: only O_NONBLOCK is supported for F_SETFL on socketpairs and pipes" + ) + } + + interp_ok(Scalar::from_i32(0)) + } } /// Write to AnonSocket based on the space available and return the written byte size. @@ -141,7 +217,7 @@ fn anonsocket_write<'tcx>( // Let's see if we can write. let available_space = MAX_SOCKETPAIR_BUFFER_CAPACITY.strict_sub(writebuf.borrow().buf.len()); if available_space == 0 { - if self_ref.is_nonblock { + if self_ref.is_nonblock.get() { // Non-blocking socketpair with a full buffer. return finish.call(ecx, Err(ErrorKind::WouldBlock.into())); } else { @@ -223,7 +299,7 @@ fn anonsocket_read<'tcx>( // Socketpair with no peer and empty buffer. // 0 bytes successfully read indicates end-of-file. return finish.call(ecx, Ok(0)); - } else if self_ref.is_nonblock { + } else if self_ref.is_nonblock.get() { // Non-blocking socketpair with writer and empty buffer. // https://linux.die.net/man/2/read // EAGAIN or EWOULDBLOCK can be returned for socket, @@ -407,7 +483,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { peer_lost_data: Cell::new(false), blocked_read_tid: RefCell::new(Vec::new()), blocked_write_tid: RefCell::new(Vec::new()), - is_nonblock: is_sock_nonblock, + is_nonblock: Cell::new(is_sock_nonblock), + fd_type: AnonSocketType::Socketpair, }); let fd1 = fds.new_ref(AnonSocket { readbuf: Some(RefCell::new(Buffer::new())), @@ -415,7 +492,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { peer_lost_data: Cell::new(false), blocked_read_tid: RefCell::new(Vec::new()), blocked_write_tid: RefCell::new(Vec::new()), - is_nonblock: is_sock_nonblock, + is_nonblock: Cell::new(is_sock_nonblock), + fd_type: AnonSocketType::Socketpair, }); // Make the file descriptions point to each other. @@ -475,7 +553,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { peer_lost_data: Cell::new(false), blocked_read_tid: RefCell::new(Vec::new()), blocked_write_tid: RefCell::new(Vec::new()), - is_nonblock, + is_nonblock: Cell::new(is_nonblock), + fd_type: AnonSocketType::PipeRead, }); let fd1 = fds.new_ref(AnonSocket { readbuf: None, @@ -483,7 +562,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { peer_lost_data: Cell::new(false), blocked_read_tid: RefCell::new(Vec::new()), blocked_write_tid: RefCell::new(Vec::new()), - is_nonblock, + is_nonblock: Cell::new(is_nonblock), + fd_type: AnonSocketType::PipeWrite, }); // Make the file descriptions point to each other. diff --git a/src/tools/miri/src/shims/windows/env.rs b/src/tools/miri/src/shims/windows/env.rs index 1b2ccd99ef9..a7c26d601e5 100644 --- a/src/tools/miri/src/shims/windows/env.rs +++ b/src/tools/miri/src/shims/windows/env.rs @@ -230,7 +230,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { interp_ok(match directories::UserDirs::new() { Some(dirs) => { let home = dirs.home_dir(); - let size_avail = if this.ptr_is_null(size.ptr())? { + let size_avail = if this.ptr_is_null(buf)? { 0 // if the buf pointer is null, we can't write to it; `size` will be updated to the required length } else { this.read_scalar(&size)?.to_u32()? @@ -238,8 +238,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Of course we cannot use `windows_check_buffer_size` here since this uses // a different method for dealing with a too-small buffer than the other functions... let (success, len) = this.write_path_to_wide_str(home, buf, size_avail.into())?; - // The Windows docs just say that this is written on failure. But std - // seems to rely on it always being written. + // As per <https://github.com/MicrosoftDocs/sdk-api/pull/1810>, the size is always + // written, not just on failure. this.write_scalar(Scalar::from_u32(len.try_into().unwrap()), &size)?; if success { Scalar::from_i32(1) // return TRUE diff --git a/src/tools/miri/src/shims/windows/foreign_items.rs b/src/tools/miri/src/shims/windows/foreign_items.rs index c80858c6363..98099e07b2e 100644 --- a/src/tools/miri/src/shims/windows/foreign_items.rs +++ b/src/tools/miri/src/shims/windows/foreign_items.rs @@ -195,69 +195,52 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // File related shims "NtWriteFile" => { - if !this.frame_in_std() { - throw_unsup_format!( - "`NtWriteFile` support is crude and just enough for stdout to work" - ); - } - let [ handle, - _event, - _apc_routine, - _apc_context, + event, + apc_routine, + apc_context, io_status_block, buf, n, byte_offset, - _key, + key, ] = this.check_shim(abi, sys_conv, link_name, args)?; - let handle = this.read_target_isize(handle)?; - let buf = this.read_pointer(buf)?; - let n = this.read_scalar(n)?.to_u32()?; - let byte_offset = this.read_target_usize(byte_offset)?; // is actually a pointer - let io_status_block = this - .deref_pointer_as(io_status_block, this.windows_ty_layout("IO_STATUS_BLOCK"))?; - - if byte_offset != 0 { - throw_unsup_format!( - "`NtWriteFile` `ByteOffset` parameter is non-null, which is unsupported" - ); - } - - let written = if handle == -11 || handle == -12 { - // stdout/stderr - use io::Write; - - let buf_cont = - this.read_bytes_ptr_strip_provenance(buf, Size::from_bytes(u64::from(n)))?; - let res = if this.machine.mute_stdout_stderr { - Ok(buf_cont.len()) - } else if handle == -11 { - io::stdout().write(buf_cont) - } else { - io::stderr().write(buf_cont) - }; - // We write at most `n` bytes, which is a `u32`, so we cannot have written more than that. - res.ok().map(|n| u32::try_from(n).unwrap()) - } else { - throw_unsup_format!( - "on Windows, writing to anything except stdout/stderr is not supported" - ) - }; - // We have to put the result into io_status_block. - if let Some(n) = written { - let io_status_information = - this.project_field_named(&io_status_block, "Information")?; - this.write_scalar( - Scalar::from_target_usize(n.into(), this), - &io_status_information, - )?; - } - // Return whether this was a success. >= 0 is success. - // For the error code we arbitrarily pick 0xC0000185, STATUS_IO_DEVICE_ERROR. - this.write_scalar( - Scalar::from_u32(if written.is_some() { 0 } else { 0xC0000185u32 }), + this.NtWriteFile( + handle, + event, + apc_routine, + apc_context, + io_status_block, + buf, + n, + byte_offset, + key, + dest, + )?; + } + "NtReadFile" => { + let [ + handle, + event, + apc_routine, + apc_context, + io_status_block, + buf, + n, + byte_offset, + key, + ] = this.check_shim(abi, sys_conv, link_name, args)?; + this.NtReadFile( + handle, + event, + apc_routine, + apc_context, + io_status_block, + buf, + n, + byte_offset, + key, dest, )?; } @@ -322,6 +305,13 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let res = this.DeleteFileW(file_name)?; this.write_scalar(res, dest)?; } + "SetFilePointerEx" => { + let [file, distance_to_move, new_file_pointer, move_method] = + this.check_shim(abi, sys_conv, link_name, args)?; + let res = + this.SetFilePointerEx(file, distance_to_move, new_file_pointer, move_method)?; + this.write_scalar(res, dest)?; + } // Allocation "HeapAlloc" => { @@ -582,6 +572,14 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let ret = this.WaitForSingleObject(handle, timeout)?; this.write_scalar(ret, dest)?; } + "GetCurrentProcess" => { + let [] = this.check_shim(abi, sys_conv, link_name, args)?; + + this.write_scalar( + Handle::Pseudo(PseudoHandle::CurrentProcess).to_scalar(this), + dest, + )?; + } "GetCurrentThread" => { let [] = this.check_shim(abi, sys_conv, link_name, args)?; @@ -700,12 +698,22 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } "GetStdHandle" => { let [which] = this.check_shim(abi, sys_conv, link_name, args)?; - let which = this.read_scalar(which)?.to_i32()?; - // We just make this the identity function, so we know later in `NtWriteFile` which - // one it is. This is very fake, but libtest needs it so we cannot make it a - // std-only shim. - // FIXME: this should return real HANDLEs when io support is added - this.write_scalar(Scalar::from_target_isize(which.into(), this), dest)?; + let res = this.GetStdHandle(which)?; + this.write_scalar(res, dest)?; + } + "DuplicateHandle" => { + let [src_proc, src_handle, target_proc, target_handle, access, inherit, options] = + this.check_shim(abi, sys_conv, link_name, args)?; + let res = this.DuplicateHandle( + src_proc, + src_handle, + target_proc, + target_handle, + access, + inherit, + options, + )?; + this.write_scalar(res, dest)?; } "CloseHandle" => { let [handle] = this.check_shim(abi, sys_conv, link_name, args)?; diff --git a/src/tools/miri/src/shims/windows/fs.rs b/src/tools/miri/src/shims/windows/fs.rs index 7561bf45219..72e016c12e9 100644 --- a/src/tools/miri/src/shims/windows/fs.rs +++ b/src/tools/miri/src/shims/windows/fs.rs @@ -1,5 +1,6 @@ use std::fs::{Metadata, OpenOptions}; use std::io; +use std::io::SeekFrom; use std::path::PathBuf; use std::time::SystemTime; @@ -390,6 +391,267 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } } + + fn NtWriteFile( + &mut self, + handle: &OpTy<'tcx>, // HANDLE + event: &OpTy<'tcx>, // HANDLE + apc_routine: &OpTy<'tcx>, // PIO_APC_ROUTINE + apc_ctx: &OpTy<'tcx>, // PVOID + io_status_block: &OpTy<'tcx>, // PIO_STATUS_BLOCK + buf: &OpTy<'tcx>, // PVOID + n: &OpTy<'tcx>, // ULONG + byte_offset: &OpTy<'tcx>, // PLARGE_INTEGER + key: &OpTy<'tcx>, // PULONG + dest: &MPlaceTy<'tcx>, // return type: NTSTATUS + ) -> InterpResult<'tcx, ()> { + let this = self.eval_context_mut(); + let handle = this.read_handle(handle, "NtWriteFile")?; + let event = this.read_handle(event, "NtWriteFile")?; + let apc_routine = this.read_pointer(apc_routine)?; + let apc_ctx = this.read_pointer(apc_ctx)?; + let buf = this.read_pointer(buf)?; + let count = this.read_scalar(n)?.to_u32()?; + let byte_offset = this.read_target_usize(byte_offset)?; // is actually a pointer, but we only support null + let key = this.read_pointer(key)?; + let io_status_block = + this.deref_pointer_as(io_status_block, this.windows_ty_layout("IO_STATUS_BLOCK"))?; + + if event != Handle::Null { + throw_unsup_format!( + "`NtWriteFile` `Event` parameter is non-null, which is unsupported" + ); + } + + if !this.ptr_is_null(apc_routine)? { + throw_unsup_format!( + "`NtWriteFile` `ApcRoutine` parameter is non-null, which is unsupported" + ); + } + + if !this.ptr_is_null(apc_ctx)? { + throw_unsup_format!( + "`NtWriteFile` `ApcContext` parameter is non-null, which is unsupported" + ); + } + + if byte_offset != 0 { + throw_unsup_format!( + "`NtWriteFile` `ByteOffset` parameter is non-null, which is unsupported" + ); + } + + if !this.ptr_is_null(key)? { + throw_unsup_format!("`NtWriteFile` `Key` parameter is non-null, which is unsupported"); + } + + let fd = match handle { + Handle::File(fd) => fd, + _ => this.invalid_handle("NtWriteFile")?, + }; + + let Some(desc) = this.machine.fds.get(fd) else { this.invalid_handle("NtWriteFile")? }; + + // Windows writes the output code to IO_STATUS_BLOCK.Status, and number of bytes written + // to IO_STATUS_BLOCK.Information. + // The status block value and the returned value don't need to match - but + // for the cases implemented by miri so far, we can choose to decide that they do. + let io_status = { + let anon = this.project_field_named(&io_status_block, "Anonymous")?; + this.project_field_named(&anon, "Status")? + }; + let io_status_info = this.project_field_named(&io_status_block, "Information")?; + + let finish = { + let io_status = io_status.clone(); + let io_status_info = io_status_info.clone(); + let dest = dest.clone(); + callback!( + @capture<'tcx> { + count: u32, + io_status: MPlaceTy<'tcx>, + io_status_info: MPlaceTy<'tcx>, + dest: MPlaceTy<'tcx>, + } + |this, result: Result<usize, IoError>| { + match result { + Ok(read_size) => { + assert!(read_size <= count.try_into().unwrap()); + // This must fit since `count` fits. + this.write_int(u64::try_from(read_size).unwrap(), &io_status_info)?; + this.write_int(0, &io_status)?; + this.write_int(0, &dest) + } + Err(e) => { + this.write_int(0, &io_status_info)?; + let status = e.into_ntstatus(); + this.write_int(status, &io_status)?; + this.write_int(status, &dest) + } + }} + ) + }; + + desc.write(this.machine.communicate(), buf, count.try_into().unwrap(), this, finish)?; + + // Return status is written to `dest` and `io_status_block` on callback completion. + interp_ok(()) + } + + fn NtReadFile( + &mut self, + handle: &OpTy<'tcx>, // HANDLE + event: &OpTy<'tcx>, // HANDLE + apc_routine: &OpTy<'tcx>, // PIO_APC_ROUTINE + apc_ctx: &OpTy<'tcx>, // PVOID + io_status_block: &OpTy<'tcx>, // PIO_STATUS_BLOCK + buf: &OpTy<'tcx>, // PVOID + n: &OpTy<'tcx>, // ULONG + byte_offset: &OpTy<'tcx>, // PLARGE_INTEGER + key: &OpTy<'tcx>, // PULONG + dest: &MPlaceTy<'tcx>, // return type: NTSTATUS + ) -> InterpResult<'tcx, ()> { + let this = self.eval_context_mut(); + let handle = this.read_handle(handle, "NtReadFile")?; + let event = this.read_handle(event, "NtReadFile")?; + let apc_routine = this.read_pointer(apc_routine)?; + let apc_ctx = this.read_pointer(apc_ctx)?; + let buf = this.read_pointer(buf)?; + let count = this.read_scalar(n)?.to_u32()?; + let byte_offset = this.read_target_usize(byte_offset)?; // is actually a pointer, but we only support null + let key = this.read_pointer(key)?; + let io_status_block = + this.deref_pointer_as(io_status_block, this.windows_ty_layout("IO_STATUS_BLOCK"))?; + + if event != Handle::Null { + throw_unsup_format!("`NtReadFile` `Event` parameter is non-null, which is unsupported"); + } + + if !this.ptr_is_null(apc_routine)? { + throw_unsup_format!( + "`NtReadFile` `ApcRoutine` parameter is non-null, which is unsupported" + ); + } + + if !this.ptr_is_null(apc_ctx)? { + throw_unsup_format!( + "`NtReadFile` `ApcContext` parameter is non-null, which is unsupported" + ); + } + + if byte_offset != 0 { + throw_unsup_format!( + "`NtReadFile` `ByteOffset` parameter is non-null, which is unsupported" + ); + } + + if !this.ptr_is_null(key)? { + throw_unsup_format!("`NtReadFile` `Key` parameter is non-null, which is unsupported"); + } + + // See NtWriteFile above for commentary on this + let io_status = { + let anon = this.project_field_named(&io_status_block, "Anonymous")?; + this.project_field_named(&anon, "Status")? + }; + let io_status_info = this.project_field_named(&io_status_block, "Information")?; + + let finish = { + let io_status = io_status.clone(); + let io_status_info = io_status_info.clone(); + let dest = dest.clone(); + callback!( + @capture<'tcx> { + count: u32, + io_status: MPlaceTy<'tcx>, + io_status_info: MPlaceTy<'tcx>, + dest: MPlaceTy<'tcx>, + } + |this, result: Result<usize, IoError>| { + match result { + Ok(read_size) => { + assert!(read_size <= count.try_into().unwrap()); + // This must fit since `count` fits. + this.write_int(u64::try_from(read_size).unwrap(), &io_status_info)?; + this.write_int(0, &io_status)?; + this.write_int(0, &dest) + } + Err(e) => { + this.write_int(0, &io_status_info)?; + let status = e.into_ntstatus(); + this.write_int(status, &io_status)?; + this.write_int(status, &dest) + } + }} + ) + }; + + let fd = match handle { + Handle::File(fd) => fd, + _ => this.invalid_handle("NtWriteFile")?, + }; + + let Some(desc) = this.machine.fds.get(fd) else { this.invalid_handle("NtReadFile")? }; + + desc.read(this.machine.communicate(), buf, count.try_into().unwrap(), this, finish)?; + + // See NtWriteFile for commentary on this + interp_ok(()) + } + + fn SetFilePointerEx( + &mut self, + file: &OpTy<'tcx>, // HANDLE + dist_to_move: &OpTy<'tcx>, // LARGE_INTEGER + new_fp: &OpTy<'tcx>, // PLARGE_INTEGER + move_method: &OpTy<'tcx>, // DWORD + ) -> InterpResult<'tcx, Scalar> { + // ^ Returns BOOL (i32 on Windows) + let this = self.eval_context_mut(); + let file = this.read_handle(file, "SetFilePointerEx")?; + let dist_to_move = this.read_scalar(dist_to_move)?.to_i64()?; + let new_fp_ptr = this.read_pointer(new_fp)?; + let move_method = this.read_scalar(move_method)?.to_u32()?; + + let fd = match file { + Handle::File(fd) => fd, + _ => this.invalid_handle("SetFilePointerEx")?, + }; + + let Some(desc) = this.machine.fds.get(fd) else { + throw_unsup_format!("`SetFilePointerEx` is only supported on file backed handles"); + }; + + let file_begin = this.eval_windows_u32("c", "FILE_BEGIN"); + let file_current = this.eval_windows_u32("c", "FILE_CURRENT"); + let file_end = this.eval_windows_u32("c", "FILE_END"); + + let seek = if move_method == file_begin { + SeekFrom::Start(dist_to_move.try_into().unwrap()) + } else if move_method == file_current { + SeekFrom::Current(dist_to_move) + } else if move_method == file_end { + SeekFrom::End(dist_to_move) + } else { + throw_unsup_format!("Invalid move method: {move_method}") + }; + + match desc.seek(this.machine.communicate(), seek)? { + Ok(n) => { + if !this.ptr_is_null(new_fp_ptr)? { + this.write_scalar( + Scalar::from_i64(n.try_into().unwrap()), + &this.deref_pointer_as(new_fp, this.machine.layouts.i64)?, + )?; + } + interp_ok(this.eval_windows("c", "TRUE")) + } + Err(e) => { + this.set_last_error(e)?; + interp_ok(this.eval_windows("c", "FALSE")) + } + } + } } /// Windows FILETIME is measured in 100-nanosecs since 1601 @@ -401,7 +663,7 @@ fn extract_windows_epoch<'tcx>( Some(time) => { let duration = ecx.system_time_since_windows_epoch(&time)?; let duration_ticks = ecx.windows_ticks_for(duration)?; - #[allow(clippy::cast_possible_truncation)] + #[expect(clippy::as_conversions)] interp_ok(Some((duration_ticks as u32, (duration_ticks >> 32) as u32))) } None => interp_ok(None), diff --git a/src/tools/miri/src/shims/windows/handle.rs b/src/tools/miri/src/shims/windows/handle.rs index eec6c62bebc..1e30bf25ed9 100644 --- a/src/tools/miri/src/shims/windows/handle.rs +++ b/src/tools/miri/src/shims/windows/handle.rs @@ -9,6 +9,7 @@ use crate::*; #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] pub enum PseudoHandle { CurrentThread, + CurrentProcess, } /// Miri representation of a Windows `HANDLE` @@ -23,16 +24,19 @@ pub enum Handle { impl PseudoHandle { const CURRENT_THREAD_VALUE: u32 = 0; + const CURRENT_PROCESS_VALUE: u32 = 1; fn value(self) -> u32 { match self { Self::CurrentThread => Self::CURRENT_THREAD_VALUE, + Self::CurrentProcess => Self::CURRENT_PROCESS_VALUE, } } fn from_value(value: u32) -> Option<Self> { match value { Self::CURRENT_THREAD_VALUE => Some(Self::CurrentThread), + Self::CURRENT_PROCESS_VALUE => Some(Self::CurrentProcess), _ => None, } } @@ -70,8 +74,7 @@ impl Handle { Self::Null => 0, Self::Pseudo(pseudo_handle) => pseudo_handle.value(), Self::Thread(thread) => thread.to_u32(), - #[expect(clippy::cast_sign_loss)] - Self::File(fd) => fd as u32, + Self::File(fd) => fd.cast_unsigned(), // INVALID_HANDLE_VALUE is -1. This fact is explicitly declared or implied in several // pages of Windows documentation. // 1: https://learn.microsoft.com/en-us/dotnet/api/microsoft.win32.safehandles.safefilehandle?view=net-9.0 @@ -124,11 +127,10 @@ impl Handle { Self::NULL_DISCRIMINANT if data == 0 => Some(Self::Null), Self::PSEUDO_DISCRIMINANT => Some(Self::Pseudo(PseudoHandle::from_value(data)?)), Self::THREAD_DISCRIMINANT => Some(Self::Thread(ThreadId::new_unchecked(data))), - #[expect(clippy::cast_possible_wrap)] Self::FILE_DISCRIMINANT => { // This cast preserves all bits. assert_eq!(size_of_val(&data), size_of::<FdNum>()); - Some(Self::File(data as FdNum)) + Some(Self::File(data.cast_signed())) } Self::INVALID_DISCRIMINANT => Some(Self::Invalid), _ => None, @@ -156,8 +158,7 @@ impl Handle { pub fn to_scalar(self, cx: &impl HasDataLayout) -> Scalar { // 64-bit handles are sign extended 32-bit handles // see https://docs.microsoft.com/en-us/windows/win32/winprog64/interprocess-communication - #[expect(clippy::cast_possible_wrap)] // we want it to wrap - let signed_handle = self.to_packed() as i32; + let signed_handle = self.to_packed().cast_signed(); Scalar::from_target_isize(signed_handle.into(), cx) } @@ -171,9 +172,8 @@ impl Handle { ) -> InterpResult<'tcx, Result<Self, HandleError>> { let sign_extended_handle = handle.to_target_isize(cx)?; - #[expect(clippy::cast_sign_loss)] // we want to lose the sign let handle = if let Ok(signed_handle) = i32::try_from(sign_extended_handle) { - signed_handle as u32 + signed_handle.cast_unsigned() } else { // if a handle doesn't fit in an i32, it isn't valid. return interp_ok(Err(HandleError::InvalidHandle)); @@ -224,6 +224,100 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ))) } + fn GetStdHandle(&mut self, which: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { + let this = self.eval_context_mut(); + let which = this.read_scalar(which)?.to_i32()?; + + let stdin = this.eval_windows("c", "STD_INPUT_HANDLE").to_i32()?; + let stdout = this.eval_windows("c", "STD_OUTPUT_HANDLE").to_i32()?; + let stderr = this.eval_windows("c", "STD_ERROR_HANDLE").to_i32()?; + + // These values don't mean anything on Windows, but Miri unconditionally sets them up to the + // unix in/out/err descriptors. So we take advantage of that. + // Due to the `Handle` encoding, these values will not be directly exposed to the user. + let fd_num = if which == stdin { + 0 + } else if which == stdout { + 1 + } else if which == stderr { + 2 + } else { + throw_unsup_format!("Invalid argument to `GetStdHandle`: {which}") + }; + let handle = Handle::File(fd_num); + interp_ok(handle.to_scalar(this)) + } + + fn DuplicateHandle( + &mut self, + src_proc: &OpTy<'tcx>, // HANDLE + src_handle: &OpTy<'tcx>, // HANDLE + target_proc: &OpTy<'tcx>, // HANDLE + target_handle: &OpTy<'tcx>, // LPHANDLE + desired_access: &OpTy<'tcx>, // DWORD + inherit: &OpTy<'tcx>, // BOOL + options: &OpTy<'tcx>, // DWORD + ) -> InterpResult<'tcx, Scalar> { + // ^ Returns BOOL (i32 on Windows) + let this = self.eval_context_mut(); + + let src_proc = this.read_handle(src_proc, "DuplicateHandle")?; + let src_handle = this.read_handle(src_handle, "DuplicateHandle")?; + let target_proc = this.read_handle(target_proc, "DuplicateHandle")?; + let target_handle_ptr = this.read_pointer(target_handle)?; + // Since we only support DUPLICATE_SAME_ACCESS, this value is ignored, but should be valid + let _ = this.read_scalar(desired_access)?.to_u32()?; + // We don't support the CreateProcess API, so inheritable or not means nothing. + // If we ever add CreateProcess support, this will need to be implemented. + let _ = this.read_scalar(inherit)?; + let options = this.read_scalar(options)?; + + if src_proc != Handle::Pseudo(PseudoHandle::CurrentProcess) { + throw_unsup_format!( + "`DuplicateHandle` `hSourceProcessHandle` parameter is not the current process, which is unsupported" + ); + } + + if target_proc != Handle::Pseudo(PseudoHandle::CurrentProcess) { + throw_unsup_format!( + "`DuplicateHandle` `hSourceProcessHandle` parameter is not the current process, which is unsupported" + ); + } + + if this.ptr_is_null(target_handle_ptr)? { + throw_unsup_format!( + "`DuplicateHandle` `lpTargetHandle` parameter is null, which is unsupported" + ); + } + + if options != this.eval_windows("c", "DUPLICATE_SAME_ACCESS") { + throw_unsup_format!( + "`DuplicateHandle` `dwOptions` parameter is not `DUPLICATE_SAME_ACCESS`, which is unsupported" + ); + } + + let new_handle = match src_handle { + Handle::File(old_fd_num) => { + let Some(fd) = this.machine.fds.get(old_fd_num) else { + this.invalid_handle("DuplicateHandle")? + }; + Handle::File(this.machine.fds.insert(fd)) + } + Handle::Thread(_) => { + throw_unsup_format!( + "`DuplicateHandle` called on a thread handle, which is unsupported" + ); + } + Handle::Pseudo(pseudo) => Handle::Pseudo(pseudo), + Handle::Null | Handle::Invalid => this.invalid_handle("DuplicateHandle")?, + }; + + let target_place = this.deref_pointer_as(target_handle, this.machine.layouts.usize)?; + this.write_scalar(new_handle.to_scalar(this), &target_place)?; + + interp_ok(this.eval_windows("c", "TRUE")) + } + fn CloseHandle(&mut self, handle_op: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/x86/gfni.rs b/src/tools/miri/src/shims/x86/gfni.rs index 4774ec9f9d8..a91c74283fd 100644 --- a/src/tools/miri/src/shims/x86/gfni.rs +++ b/src/tools/miri/src/shims/x86/gfni.rs @@ -133,12 +133,12 @@ fn affine_transform<'tcx>( // This is a evaluated at compile time. Trait based conversion is not available. /// See <https://www.corsix.org/content/galois-field-instructions-2021-cpus> for the /// definition of `gf_inv` which was used for the creation of this table. -#[expect(clippy::cast_possible_truncation)] static TABLE: [u8; 256] = { let mut array = [0; 256]; let mut i = 1; while i < 256 { + #[expect(clippy::as_conversions)] // no `try_from` in const... let mut x = i as u8; let mut y = gf2p8_mul(x, x); x = y; @@ -160,7 +160,7 @@ static TABLE: [u8; 256] = { /// polynomial representation with the reduction polynomial x^8 + x^4 + x^3 + x + 1. /// See <https://www.corsix.org/content/galois-field-instructions-2021-cpus> for details. // This is a const function. Trait based conversion is not available. -#[expect(clippy::cast_possible_truncation)] +#[expect(clippy::as_conversions)] const fn gf2p8_mul(left: u8, right: u8) -> u8 { // This implementation is based on the `gf2p8mul_byte` definition found inside the Intel intrinsics guide. // See https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=gf2p8mul diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index e57217dc6f2..ac59cc2dfeb 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -1110,7 +1110,7 @@ fn pmulhrsw<'tcx>( // The result of this operation can overflow a signed 16-bit integer. // When `left` and `right` are -0x8000, the result is 0x8000. - #[expect(clippy::cast_possible_truncation)] + #[expect(clippy::as_conversions)] let res = res as i16; ecx.write_scalar(Scalar::from_i16(res), &dest)?; diff --git a/src/tools/miri/src/shims/x86/sha.rs b/src/tools/miri/src/shims/x86/sha.rs index 6d2c151243c..23c83553f3b 100644 --- a/src/tools/miri/src/shims/x86/sha.rs +++ b/src/tools/miri/src/shims/x86/sha.rs @@ -43,7 +43,7 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // We reverse the order because x86 is little endian but the copied implementation uses // big endian. for (i, part) in val.into_iter().rev().enumerate() { - let projected = &ecx.project_index(dest, i.try_into().unwrap())?; + let projected = &ecx.project_index(dest, i.to_u64())?; ecx.write_scalar(Scalar::from_u32(part), projected)?; } interp_ok(()) diff --git a/src/tools/miri/src/shims/x86/sse42.rs b/src/tools/miri/src/shims/x86/sse42.rs index 02336a722f7..66bff328626 100644 --- a/src/tools/miri/src/shims/x86/sse42.rs +++ b/src/tools/miri/src/shims/x86/sse42.rs @@ -440,7 +440,7 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let crc = if bit_size == 64 { // The 64-bit version will only consider the lower 32 bits, // while the upper 32 bits get discarded. - #[expect(clippy::cast_possible_truncation)] + #[expect(clippy::as_conversions)] u128::from((left.to_u64()? as u32).reverse_bits()) } else { u128::from(left.to_u32()?.reverse_bits()) diff --git a/src/tools/miri/test_dependencies/Cargo.toml b/src/tools/miri/test_dependencies/Cargo.toml index 653228a5e3d..fa833b51fa3 100644 --- a/src/tools/miri/test_dependencies/Cargo.toml +++ b/src/tools/miri/test_dependencies/Cargo.toml @@ -25,6 +25,13 @@ page_size = "0.6" tokio = { version = "1", features = ["macros", "rt-multi-thread", "time", "net", "fs", "sync", "signal", "io-util"] } [target.'cfg(windows)'.dependencies] -windows-sys = { version = "0.59", features = ["Win32_Foundation", "Win32_System_Threading", "Win32_Storage_FileSystem", "Win32_Security"] } +windows-sys = { version = "0.59", features = [ + "Win32_Foundation", + "Win32_System_Threading", + "Win32_Storage_FileSystem", + "Win32_Security", + "Win32_System_IO", + "Wdk_Storage_FileSystem", +] } [workspace] diff --git a/src/tools/miri/tests/fail-dep/libc/fcntl_fsetfl_while_blocking.rs b/src/tools/miri/tests/fail-dep/libc/fcntl_fsetfl_while_blocking.rs new file mode 100644 index 00000000000..eef32136a0a --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/fcntl_fsetfl_while_blocking.rs @@ -0,0 +1,20 @@ +//@ignore-target: windows # Sockets/pipes are not implemented yet +//~^ ERROR: deadlock: the evaluated program deadlocked +//@compile-flags: -Zmiri-deterministic-concurrency +use std::thread; + +/// If an O_NONBLOCK flag is set while the fd is blocking, that fd will not be woken up. +fn main() { + let mut fds = [-1, -1]; + let res = unsafe { libc::pipe(fds.as_mut_ptr()) }; + assert_eq!(res, 0); + let mut buf: [u8; 5] = [0; 5]; + let _thread1 = thread::spawn(move || { + // Add O_NONBLOCK flag while pipe is still block on read. + let res = unsafe { libc::fcntl(fds[0], libc::F_SETFL, libc::O_NONBLOCK) }; + assert_eq!(res, 0); + }); + // Main thread will block on read. + let _res = unsafe { libc::read(fds[0], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) }; + //~^ ERROR: deadlock: the evaluated program deadlocked +} diff --git a/src/tools/miri/tests/fail-dep/libc/fcntl_fsetfl_while_blocking.stderr b/src/tools/miri/tests/fail-dep/libc/fcntl_fsetfl_while_blocking.stderr new file mode 100644 index 00000000000..9ca5598abae --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/fcntl_fsetfl_while_blocking.stderr @@ -0,0 +1,19 @@ +error: deadlock: the evaluated program deadlocked + | + = note: the evaluated program deadlocked + = note: (no span available) + = note: BACKTRACE on thread `unnamed-ID`: + +error: deadlock: the evaluated program deadlocked + --> tests/fail-dep/libc/fcntl_fsetfl_while_blocking.rs:LL:CC + | +LL | let _res = unsafe { libc::read(fds[0], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) }; + | ^ the evaluated program deadlocked + | + = note: BACKTRACE: + = note: inside `main` at tests/fail-dep/libc/fcntl_fsetfl_while_blocking.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 2 previous errors + diff --git a/src/tools/miri/tests/fail-dep/libc/fs/isolated_stdin.rs b/src/tools/miri/tests/fail-dep/libc/fs/isolated_stdin.rs deleted file mode 100644 index 3ef194c5c71..00000000000 --- a/src/tools/miri/tests/fail-dep/libc/fs/isolated_stdin.rs +++ /dev/null @@ -1,9 +0,0 @@ -//@ignore-target: windows # No libc IO on Windows - -fn main() -> std::io::Result<()> { - let mut bytes = [0u8; 512]; - unsafe { - libc::read(0, bytes.as_mut_ptr() as *mut libc::c_void, 512); //~ ERROR: `read` from stdin not available when isolation is enabled - } - Ok(()) -} diff --git a/src/tools/miri/tests/fail-dep/libc/unsupported_incomplete_function.stderr b/src/tools/miri/tests/fail-dep/libc/unsupported_incomplete_function.stderr index a92a97cef3b..52a93ab263d 100644 --- a/src/tools/miri/tests/fail-dep/libc/unsupported_incomplete_function.stderr +++ b/src/tools/miri/tests/fail-dep/libc/unsupported_incomplete_function.stderr @@ -4,8 +4,7 @@ error: unsupported operation: can't call foreign function `signal` on $OS LL | libc::signal(libc::SIGPIPE, libc::SIG_IGN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't call foreign function `signal` on $OS | - = help: if this is a basic API commonly used on this target, please report an issue with Miri - = help: however, note that Miri does not aim to support every FFI function out there; for instance, we will not support APIs for things such as GUIs, scripting languages, or databases + = help: this means the program tried to do something Miri does not support; it does not indicate a bug in the program = note: BACKTRACE: = note: inside `main` at tests/fail-dep/libc/unsupported_incomplete_function.rs:LL:CC diff --git a/src/tools/miri/tests/fail/alloc/no_global_allocator.stderr b/src/tools/miri/tests/fail/alloc/no_global_allocator.stderr index 541af64b894..e80a3646714 100644 --- a/src/tools/miri/tests/fail/alloc/no_global_allocator.stderr +++ b/src/tools/miri/tests/fail/alloc/no_global_allocator.stderr @@ -4,8 +4,7 @@ error: unsupported operation: can't call foreign function `__rust_alloc` on $OS LL | __rust_alloc(1, 1); | ^^^^^^^^^^^^^^^^^^ can't call foreign function `__rust_alloc` on $OS | - = help: if this is a basic API commonly used on this target, please report an issue with Miri - = help: however, note that Miri does not aim to support every FFI function out there; for instance, we will not support APIs for things such as GUIs, scripting languages, or databases + = help: this means the program tried to do something Miri does not support; it does not indicate a bug in the program = note: BACKTRACE: = note: inside `miri_start` at tests/fail/alloc/no_global_allocator.rs:LL:CC diff --git a/src/tools/miri/tests/fail/concurrency/read_only_atomic_load_large.rs b/src/tools/miri/tests/fail/concurrency/read_only_atomic_load_large.rs index 42c3a9619d4..2c01b0132b8 100644 --- a/src/tools/miri/tests/fail/concurrency/read_only_atomic_load_large.rs +++ b/src/tools/miri/tests/fail/concurrency/read_only_atomic_load_large.rs @@ -2,6 +2,7 @@ //@compile-flags: -Zmiri-disable-stacked-borrows // Needs atomic accesses larger than the pointer size //@ignore-bitwidth: 64 +//@ignore-target: mips- use std::sync::atomic::{AtomicI64, Ordering}; diff --git a/src/tools/miri/tests/fail/data_race/stack_pop_race.rs b/src/tools/miri/tests/fail/data_race/stack_pop_race.rs index 5138bcbf8f7..e7632d43126 100644 --- a/src/tools/miri/tests/fail/data_race/stack_pop_race.rs +++ b/src/tools/miri/tests/fail/data_race/stack_pop_race.rs @@ -8,7 +8,7 @@ struct MakeSend(*const i32); unsafe impl Send for MakeSend {} fn main() { - race(0); + race(0); //~ERROR: Data race detected between (1) non-atomic read on thread `unnamed-1` and (2) deallocation on thread `main` } // Using an argument for the ptr to point to, since those do not get StorageDead. @@ -22,5 +22,4 @@ fn race(local: i32) { thread::yield_now(); // Deallocating the local (when `main` returns) // races with the read in the other thread. - // Make sure the error points at this function's end, not just the call site. -} //~ERROR: Data race detected between (1) non-atomic read on thread `unnamed-1` and (2) deallocation on thread `main` +} diff --git a/src/tools/miri/tests/fail/data_race/stack_pop_race.stderr b/src/tools/miri/tests/fail/data_race/stack_pop_race.stderr index 643426aba99..721b7563044 100644 --- a/src/tools/miri/tests/fail/data_race/stack_pop_race.stderr +++ b/src/tools/miri/tests/fail/data_race/stack_pop_race.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: Data race detected between (1) non-atomic read on thread `unnamed-ID` and (2) deallocation on thread `main` at ALLOC. (2) just happened here --> tests/fail/data_race/stack_pop_race.rs:LL:CC | -LL | } - | ^ Data race detected between (1) non-atomic read on thread `unnamed-ID` and (2) deallocation on thread `main` at ALLOC. (2) just happened here +LL | race(0); + | ^^^^^^^ Data race detected between (1) non-atomic read on thread `unnamed-ID` and (2) deallocation on thread `main` at ALLOC. (2) just happened here | help: and (1) occurred earlier here --> tests/fail/data_race/stack_pop_race.rs:LL:CC @@ -12,12 +12,7 @@ LL | let _val = unsafe { *ptr.0 }; = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: BACKTRACE (of the first span): - = note: inside `race` at tests/fail/data_race/stack_pop_race.rs:LL:CC -note: inside `main` - --> tests/fail/data_race/stack_pop_race.rs:LL:CC - | -LL | race(0); - | ^^^^^^^ + = note: inside `main` at tests/fail/data_race/stack_pop_race.rs:LL:CC note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace diff --git a/src/tools/miri/tests/fail/intrinsics/copy_overlapping.rs b/src/tools/miri/tests/fail/intrinsics/copy_overlapping.rs index e6282613df7..ff16ac61d8b 100644 --- a/src/tools/miri/tests/fail/intrinsics/copy_overlapping.rs +++ b/src/tools/miri/tests/fail/intrinsics/copy_overlapping.rs @@ -1,14 +1,11 @@ -#![feature(intrinsics)] - -// Directly call intrinsic to avoid debug assertions in libstd -#[rustc_intrinsic] -unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); +#![feature(core_intrinsics)] fn main() { let mut data = [0u8; 16]; unsafe { let a = data.as_mut_ptr(); let b = a.wrapping_offset(1) as *mut _; - copy_nonoverlapping(a, b, 2); //~ ERROR: `copy_nonoverlapping` called on overlapping ranges + // Directly call intrinsic to avoid debug assertions in the `std::ptr` version. + std::intrinsics::copy_nonoverlapping(a, b, 2); //~ ERROR: `copy_nonoverlapping` called on overlapping ranges } } diff --git a/src/tools/miri/tests/fail/intrinsics/copy_overlapping.stderr b/src/tools/miri/tests/fail/intrinsics/copy_overlapping.stderr index fef5a0a82a0..9b60a48703b 100644 --- a/src/tools/miri/tests/fail/intrinsics/copy_overlapping.stderr +++ b/src/tools/miri/tests/fail/intrinsics/copy_overlapping.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: `copy_nonoverlapping` called on overlapping ranges --> tests/fail/intrinsics/copy_overlapping.rs:LL:CC | -LL | copy_nonoverlapping(a, b, 2); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `copy_nonoverlapping` called on overlapping ranges +LL | std::intrinsics::copy_nonoverlapping(a, b, 2); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `copy_nonoverlapping` called on overlapping ranges | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/copy_unaligned.rs b/src/tools/miri/tests/fail/intrinsics/copy_unaligned.rs index ded9d0b669e..311789cdc4b 100644 --- a/src/tools/miri/tests/fail/intrinsics/copy_unaligned.rs +++ b/src/tools/miri/tests/fail/intrinsics/copy_unaligned.rs @@ -1,14 +1,11 @@ -#![feature(intrinsics)] - -// Directly call intrinsic to avoid debug assertions in libstd -#[rustc_intrinsic] -unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); +#![feature(core_intrinsics)] fn main() { let mut data = [0u16; 8]; let ptr = (&mut data[0] as *mut u16 as *mut u8).wrapping_add(1) as *mut u16; // Even copying 0 elements to something unaligned should error unsafe { - copy_nonoverlapping(&data[5], ptr, 0); //~ ERROR: accessing memory with alignment 1, but alignment 2 is required + // Directly call intrinsic to avoid debug assertions in the `std::ptr` version. + std::intrinsics::copy_nonoverlapping(&data[5], ptr, 0); //~ ERROR: accessing memory with alignment 1, but alignment 2 is required } } diff --git a/src/tools/miri/tests/fail/intrinsics/copy_unaligned.stderr b/src/tools/miri/tests/fail/intrinsics/copy_unaligned.stderr index 2d0edd4e6cb..65dbdb3bbb6 100644 --- a/src/tools/miri/tests/fail/intrinsics/copy_unaligned.stderr +++ b/src/tools/miri/tests/fail/intrinsics/copy_unaligned.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: accessing memory with alignment ALIGN, but alignment ALIGN is required --> tests/fail/intrinsics/copy_unaligned.rs:LL:CC | -LL | copy_nonoverlapping(&data[5], ptr, 0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ accessing memory with alignment ALIGN, but alignment ALIGN is required +LL | std::intrinsics::copy_nonoverlapping(&data[5], ptr, 0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ accessing memory with alignment ALIGN, but alignment ALIGN is required | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/panic/bad_unwind.stderr b/src/tools/miri/tests/fail/panic/bad_unwind.stderr index 6ba39e8f7e2..8c269eae62a 100644 --- a/src/tools/miri/tests/fail/panic/bad_unwind.stderr +++ b/src/tools/miri/tests/fail/panic/bad_unwind.stderr @@ -13,8 +13,8 @@ LL | std::panic::catch_unwind(|| unwind()).unwrap_err(); = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: BACKTRACE: = note: inside closure at tests/fail/panic/bad_unwind.rs:LL:CC - = note: inside `std::panicking::r#try::do_call::<{closure@tests/fail/panic/bad_unwind.rs:LL:CC}, ()>` at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::panicking::r#try::<(), {closure@tests/fail/panic/bad_unwind.rs:LL:CC}>` at RUSTLIB/std/src/panicking.rs:LL:CC + = note: inside `std::panicking::catch_unwind::do_call::<{closure@tests/fail/panic/bad_unwind.rs:LL:CC}, ()>` at RUSTLIB/std/src/panicking.rs:LL:CC + = note: inside `std::panicking::catch_unwind::<(), {closure@tests/fail/panic/bad_unwind.rs:LL:CC}>` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panic::catch_unwind::<{closure@tests/fail/panic/bad_unwind.rs:LL:CC}, ()>` at RUSTLIB/std/src/panic.rs:LL:CC note: inside `main` --> tests/fail/panic/bad_unwind.rs:LL:CC diff --git a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr index f57487e3ffe..b4dadeecaa8 100644 --- a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr +++ b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr @@ -1,5 +1,5 @@ -thread 'main' panicked at RUSTLIB/core/src/panicking.rs:LL:CC: +thread 'main' panicked at tests/fail/ptr_swap_nonoverlapping.rs:LL:CC: unsafe precondition(s) violated: ptr::swap_nonoverlapping requires that both pointer arguments are aligned and non-null and the specified memory ranges do not overlap This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety. @@ -18,9 +18,6 @@ LL | ABORT() = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC - = note: inside `std::ptr::swap_nonoverlapping::precondition_check` at RUSTLIB/core/src/ub_checks.rs:LL:CC - = note: inside `std::ptr::swap_nonoverlapping::<usize>` at RUSTLIB/core/src/ub_checks.rs:LL:CC note: inside `main` --> tests/fail/ptr_swap_nonoverlapping.rs:LL:CC | diff --git a/src/tools/miri/tests/fail/shims/isolated_stdin.rs b/src/tools/miri/tests/fail/shims/isolated_stdin.rs new file mode 100644 index 00000000000..9f809039ada --- /dev/null +++ b/src/tools/miri/tests/fail/shims/isolated_stdin.rs @@ -0,0 +1,12 @@ +//@error-in-other-file: `read` from stdin not available when isolation is enabled +//@normalize-stderr-test: "src/sys/.*\.rs" -> "$$FILE" +//@normalize-stderr-test: "\nLL \| .*" -> "" +//@normalize-stderr-test: "\n... .*" -> "" +//@normalize-stderr-test: "\| +[|_^]+" -> "| ^" +//@normalize-stderr-test: "\n *= note:.*" -> "" +use std::io::{self, Read}; + +fn main() { + let mut bytes = [0u8; 512]; + io::stdin().read(&mut bytes).unwrap(); +} diff --git a/src/tools/miri/tests/fail-dep/libc/fs/isolated_stdin.stderr b/src/tools/miri/tests/fail/shims/isolated_stdin.stderr index bb7e8cef5dc..1a4d7e96329 100644 --- a/src/tools/miri/tests/fail-dep/libc/fs/isolated_stdin.stderr +++ b/src/tools/miri/tests/fail/shims/isolated_stdin.stderr @@ -1,13 +1,14 @@ error: unsupported operation: `read` from stdin not available when isolation is enabled - --> tests/fail-dep/libc/fs/isolated_stdin.rs:LL:CC + --> RUSTLIB/std/$FILE:LL:CC | -LL | libc::read(0, bytes.as_mut_ptr() as *mut libc::c_void, 512); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `read` from stdin not available when isolation is enabled + | ^ `read` from stdin not available when isolation is enabled | = help: set `MIRIFLAGS=-Zmiri-disable-isolation` to disable isolation; = help: or set `MIRIFLAGS=-Zmiri-isolation-error=warn` to make Miri return an error code from isolated operations (if supported for that operation) and continue with a warning - = note: BACKTRACE: - = note: inside `main` at tests/fail-dep/libc/fs/isolated_stdin.rs:LL:CC +note: inside `main` + --> tests/fail/shims/isolated_stdin.rs:LL:CC + | + | ^ note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace diff --git a/src/tools/miri/tests/fail/tail_calls/cc-mismatch.stderr b/src/tools/miri/tests/fail/tail_calls/cc-mismatch.stderr index 61ddea64472..589e30d632e 100644 --- a/src/tools/miri/tests/fail/tail_calls/cc-mismatch.stderr +++ b/src/tools/miri/tests/fail/tail_calls/cc-mismatch.stderr @@ -11,12 +11,12 @@ LL | extern "rust-call" fn call_once(self, args: Args) -> Self::Output; = note: inside `std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside closure at RUSTLIB/std/src/rt.rs:LL:CC = note: inside `std::ops::function::impls::<impl std::ops::FnOnce<()> for &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>::call_once` at RUSTLIB/core/src/ops/function.rs:LL:CC - = note: inside `std::panicking::r#try::do_call::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::panicking::r#try::<i32, &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>` at RUSTLIB/std/src/panicking.rs:LL:CC + = note: inside `std::panicking::catch_unwind::do_call::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at RUSTLIB/std/src/panicking.rs:LL:CC + = note: inside `std::panicking::catch_unwind::<i32, &dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe>` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panic::catch_unwind::<&dyn std::ops::Fn() -> i32 + std::marker::Sync + std::panic::RefUnwindSafe, i32>` at RUSTLIB/std/src/panic.rs:LL:CC = note: inside closure at RUSTLIB/std/src/rt.rs:LL:CC - = note: inside `std::panicking::r#try::do_call::<{closure@std::rt::lang_start_internal::{closure#0}}, isize>` at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::panicking::r#try::<isize, {closure@std::rt::lang_start_internal::{closure#0}}>` at RUSTLIB/std/src/panicking.rs:LL:CC + = note: inside `std::panicking::catch_unwind::do_call::<{closure@std::rt::lang_start_internal::{closure#0}}, isize>` at RUSTLIB/std/src/panicking.rs:LL:CC + = note: inside `std::panicking::catch_unwind::<isize, {closure@std::rt::lang_start_internal::{closure#0}}>` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panic::catch_unwind::<{closure@std::rt::lang_start_internal::{closure#0}}, isize>` at RUSTLIB/std/src/panic.rs:LL:CC = note: inside `std::rt::lang_start_internal` at RUSTLIB/std/src/rt.rs:LL:CC = note: inside `std::rt::lang_start::<()>` at RUSTLIB/std/src/rt.rs:LL:CC diff --git a/src/tools/miri/tests/fail/tail_calls/dangling-local-var.stderr b/src/tools/miri/tests/fail/tail_calls/dangling-local-var.stderr index 33e1e53ea06..15f73c8a9ae 100644 --- a/src/tools/miri/tests/fail/tail_calls/dangling-local-var.stderr +++ b/src/tools/miri/tests/fail/tail_calls/dangling-local-var.stderr @@ -14,8 +14,8 @@ LL | let local = 0; help: ALLOC was deallocated here: --> tests/fail/tail_calls/dangling-local-var.rs:LL:CC | -LL | become g(ptr) - | ^^^^^^^^^^^^^ +LL | f(std::ptr::null()); + | ^^^^^^^^^^^^^^^^^^^ = note: BACKTRACE (of the first span): = note: inside `g` at tests/fail/tail_calls/dangling-local-var.rs:LL:CC note: inside `main` diff --git a/src/tools/miri/tests/fail/tree_borrows/cell-inside-struct.rs b/src/tools/miri/tests/fail/tree_borrows/cell-inside-struct.rs new file mode 100644 index 00000000000..ff797877682 --- /dev/null +++ b/src/tools/miri/tests/fail/tree_borrows/cell-inside-struct.rs @@ -0,0 +1,33 @@ +//! A version of `cell_inside_struct` that dumps the tree so that we can see what is happening. +//@compile-flags: -Zmiri-tree-borrows +#[path = "../../utils/mod.rs"] +#[macro_use] +mod utils; + +use std::cell::Cell; + +struct Foo { + field1: u32, + field2: Cell<u32>, +} + +pub fn main() { + let root = Foo { field1: 42, field2: Cell::new(88) }; + unsafe { + let a = &root; + + name!(a as *const Foo, "a"); + + let a: *const Foo = a as *const Foo; + let a: *mut Foo = a as *mut Foo; + + let alloc_id = alloc_id!(a); + print_state!(alloc_id); + + // Writing to `field2`, which is interior mutable, should be allowed. + (*a).field2.set(10); + + // Writing to `field1`, which is frozen, should not be allowed. + (*a).field1 = 88; //~ ERROR: /write access through .* is forbidden/ + } +} diff --git a/src/tools/miri/tests/fail/tree_borrows/cell-inside-struct.stderr b/src/tools/miri/tests/fail/tree_borrows/cell-inside-struct.stderr new file mode 100644 index 00000000000..717f1419452 --- /dev/null +++ b/src/tools/miri/tests/fail/tree_borrows/cell-inside-struct.stderr @@ -0,0 +1,26 @@ +────────────────────────────────────────────────── +Warning: this tree is indicative only. Some tags may have been hidden. +0.. 4.. 8 +| Act | Act | └─┬──<TAG=root of the allocation> +| Frz |?Cel | └────<TAG=a> +────────────────────────────────────────────────── +error: Undefined Behavior: write access through <TAG> (a) at ALLOC[0x0] is forbidden + --> tests/fail/tree_borrows/cell-inside-struct.rs:LL:CC + | +LL | (*a).field1 = 88; + | ^^^^^^^^^^^^^^^^ write access through <TAG> (a) at ALLOC[0x0] is forbidden + | + = help: this indicates a potential bug in the program: it performed an invalid operation, but the Tree Borrows rules it violated are still experimental + = help: the accessed tag <TAG> (a) has state Frozen which forbids this child write access +help: the accessed tag <TAG> was created here, in the initial state Cell + --> tests/fail/tree_borrows/cell-inside-struct.rs:LL:CC + | +LL | let a = &root; + | ^^^^^ + = note: BACKTRACE (of the first span): + = note: inside `main` at tests/fail/tree_borrows/cell-inside-struct.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.rs b/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.rs index 29976836b0b..37c64c81944 100644 --- a/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.rs +++ b/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.rs @@ -1,5 +1,6 @@ //@compile-flags: -Zmiri-symbolic-alignment-check -Cdebug-assertions=no #![feature(core_intrinsics)] +use std::intrinsics; fn main() { // Do a 4-aligned u64 atomic access. That should be UB on all platforms, @@ -7,7 +8,7 @@ fn main() { let z = [0u32; 2]; let zptr = &z as *const _ as *const u64; unsafe { - ::std::intrinsics::atomic_load_seqcst(zptr); + intrinsics::atomic_load::<_, { intrinsics::AtomicOrdering::SeqCst }>(zptr); //~^ERROR: accessing memory with alignment 4, but alignment 8 is required } } diff --git a/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.stderr b/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.stderr index a9da740be1d..e0f9d011ce4 100644 --- a/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.stderr +++ b/src/tools/miri/tests/fail/unaligned_pointers/atomic_unaligned.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: accessing memory with alignment ALIGN, but alignment ALIGN is required --> tests/fail/unaligned_pointers/atomic_unaligned.rs:LL:CC | -LL | ::std::intrinsics::atomic_load_seqcst(zptr); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ accessing memory with alignment ALIGN, but alignment ALIGN is required +LL | intrinsics::atomic_load::<_, { intrinsics::AtomicOrdering::SeqCst }>(zptr); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ accessing memory with alignment ALIGN, but alignment ALIGN is required | = help: this usually indicates that your program performed an invalid operation and caused Undefined Behavior = help: but due to `-Zmiri-symbolic-alignment-check`, alignment errors can also be false positives diff --git a/src/tools/miri/tests/fail/unsupported_foreign_function.stderr b/src/tools/miri/tests/fail/unsupported_foreign_function.stderr index 4fe45b0868a..bbfc5c31256 100644 --- a/src/tools/miri/tests/fail/unsupported_foreign_function.stderr +++ b/src/tools/miri/tests/fail/unsupported_foreign_function.stderr @@ -4,8 +4,7 @@ error: unsupported operation: can't call foreign function `foo` on $OS LL | foo(); | ^^^^^ can't call foreign function `foo` on $OS | - = help: if this is a basic API commonly used on this target, please report an issue with Miri - = help: however, note that Miri does not aim to support every FFI function out there; for instance, we will not support APIs for things such as GUIs, scripting languages, or databases + = help: this means the program tried to do something Miri does not support; it does not indicate a bug in the program = note: BACKTRACE: = note: inside `main` at tests/fail/unsupported_foreign_function.rs:LL:CC diff --git a/src/tools/miri/tests/many-seeds/reentrant-lock.rs b/src/tools/miri/tests/many-seeds/reentrant-lock.rs new file mode 100644 index 00000000000..4c2dc463f48 --- /dev/null +++ b/src/tools/miri/tests/many-seeds/reentrant-lock.rs @@ -0,0 +1,19 @@ +#![feature(reentrant_lock)] +//! This is a regression test for +//! <https://rust-lang.zulipchat.com/#narrow/channel/269128-miri/topic/reentrant.20lock.20failure.20on.20mips>. + +use std::cell::Cell; +use std::sync::ReentrantLock; +use std::thread; + +static LOCK: ReentrantLock<Cell<i32>> = ReentrantLock::new(Cell::new(0)); + +fn main() { + for _ in 0..20 { + thread::spawn(move || { + let val = LOCK.lock(); + val.set(val.get() + 1); + drop(val); + }); + } +} diff --git a/src/tools/miri/tests/native-lib/fail/function_not_in_so.stderr b/src/tools/miri/tests/native-lib/fail/function_not_in_so.stderr index bf1cfd573b8..b663fd41457 100644 --- a/src/tools/miri/tests/native-lib/fail/function_not_in_so.stderr +++ b/src/tools/miri/tests/native-lib/fail/function_not_in_so.stderr @@ -4,8 +4,7 @@ error: unsupported operation: can't call foreign function `foo` on $OS LL | foo(); | ^^^^^ can't call foreign function `foo` on $OS | - = help: if this is a basic API commonly used on this target, please report an issue with Miri - = help: however, note that Miri does not aim to support every FFI function out there; for instance, we will not support APIs for things such as GUIs, scripting languages, or databases + = help: this means the program tried to do something Miri does not support; it does not indicate a bug in the program = note: BACKTRACE: = note: inside `main` at tests/native-lib/fail/function_not_in_so.rs:LL:CC diff --git a/src/tools/miri/tests/native-lib/fail/private_function.stderr b/src/tools/miri/tests/native-lib/fail/private_function.stderr index 2cfc062212b..03681240015 100644 --- a/src/tools/miri/tests/native-lib/fail/private_function.stderr +++ b/src/tools/miri/tests/native-lib/fail/private_function.stderr @@ -4,8 +4,7 @@ error: unsupported operation: can't call foreign function `not_exported` on $OS LL | not_exported(); | ^^^^^^^^^^^^^^ can't call foreign function `not_exported` on $OS | - = help: if this is a basic API commonly used on this target, please report an issue with Miri - = help: however, note that Miri does not aim to support every FFI function out there; for instance, we will not support APIs for things such as GUIs, scripting languages, or databases + = help: this means the program tried to do something Miri does not support; it does not indicate a bug in the program = note: BACKTRACE: = note: inside `main` at tests/native-lib/fail/private_function.rs:LL:CC diff --git a/src/tools/miri/tests/panic/transmute_fat2.rs b/src/tools/miri/tests/panic/transmute_fat2.rs index 0205433ad9f..e695ff2d57b 100644 --- a/src/tools/miri/tests/panic/transmute_fat2.rs +++ b/src/tools/miri/tests/panic/transmute_fat2.rs @@ -5,6 +5,8 @@ fn main() { let bad = unsafe { std::mem::transmute::<u128, &[u8]>(42 << 64) }; #[cfg(all(target_endian = "little", target_pointer_width = "32"))] let bad = unsafe { std::mem::transmute::<u64, &[u8]>(42) }; + #[cfg(all(target_endian = "big", target_pointer_width = "32"))] + let bad = unsafe { std::mem::transmute::<u64, &[u8]>(42 << 32) }; // This created a slice with length 0, so the following will fail the bounds check. bad[0]; } diff --git a/src/tools/miri/tests/pass-dep/libc/libc-fs-with-isolation.rs b/src/tools/miri/tests/pass-dep/libc/libc-fs-with-isolation.rs index cffcf4a867f..06a8cc7f487 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-fs-with-isolation.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-fs-with-isolation.rs @@ -11,6 +11,10 @@ fn main() { assert!(libc::fcntl(1, libc::F_DUPFD, 0) >= 0); } + // Although `readlink` and `stat` require disable-isolation mode + // to properly run, they are tested with isolation mode on to check the error emitted + // with `-Zmiri-isolation-error=warn-nobacktrace`. + // test `readlink` let mut buf = vec![0; "foo_link.txt".len() + 1]; unsafe { diff --git a/src/tools/miri/tests/pass-dep/libc/libc-pipe.rs b/src/tools/miri/tests/pass-dep/libc/libc-pipe.rs index 05f6c870c3d..bc755af864c 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-pipe.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-pipe.rs @@ -15,6 +15,8 @@ fn main() { ))] // `pipe2` only exists in some specific os. test_pipe2(); + test_pipe_setfl_getfl(); + test_pipe_fcntl_threaded(); } fn test_pipe() { @@ -127,3 +129,68 @@ fn test_pipe2() { let res = unsafe { libc::pipe2(fds.as_mut_ptr(), libc::O_NONBLOCK) }; assert_eq!(res, 0); } + +/// Basic test for pipe fcntl's F_SETFL and F_GETFL flag. +fn test_pipe_setfl_getfl() { + // Initialise pipe fds. + let mut fds = [-1, -1]; + let res = unsafe { libc::pipe(fds.as_mut_ptr()) }; + assert_eq!(res, 0); + + // Both sides should either have O_RONLY or O_WRONLY. + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDONLY); + let res = unsafe { libc::fcntl(fds[1], libc::F_GETFL) }; + assert_eq!(res, libc::O_WRONLY); + + // Add the O_NONBLOCK flag with F_SETFL. + let res = unsafe { libc::fcntl(fds[0], libc::F_SETFL, libc::O_NONBLOCK) }; + assert_eq!(res, 0); + + // Test if the O_NONBLOCK flag is successfully added. + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDONLY | libc::O_NONBLOCK); + + // The other side remains unchanged. + let res = unsafe { libc::fcntl(fds[1], libc::F_GETFL) }; + assert_eq!(res, libc::O_WRONLY); + + // Test if O_NONBLOCK flag can be unset. + let res = unsafe { libc::fcntl(fds[0], libc::F_SETFL, 0) }; + assert_eq!(res, 0); + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDONLY); +} + +/// Test the behaviour of F_SETFL/F_GETFL when a fd is blocking. +/// The expected execution is: +/// 1. Main thread blocks on fds[0] `read`. +/// 2. Thread 1 sets O_NONBLOCK flag on fds[0], +/// checks the value of F_GETFL, +/// then writes to fds[1] to unblock main thread's `read`. +fn test_pipe_fcntl_threaded() { + let mut fds = [-1, -1]; + let res = unsafe { libc::pipe(fds.as_mut_ptr()) }; + assert_eq!(res, 0); + let mut buf: [u8; 5] = [0; 5]; + let thread1 = thread::spawn(move || { + // Add O_NONBLOCK flag while pipe is still blocked on read. + let res = unsafe { libc::fcntl(fds[0], libc::F_SETFL, libc::O_NONBLOCK) }; + assert_eq!(res, 0); + + // Check the new flag value while the main thread is still blocked on fds[0]. + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_NONBLOCK); + + // The write below will unblock the `read` in main thread: even though + // the socket is now "non-blocking", the shim needs to deal correctly + // with threads that were blocked before the socket was made non-blocking. + let data = "abcde".as_bytes().as_ptr(); + let res = unsafe { libc::write(fds[1], data as *const libc::c_void, 5) }; + assert_eq!(res, 5); + }); + // The `read` below will block. + let res = unsafe { libc::read(fds[0], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) }; + thread1.join().unwrap(); + assert_eq!(res, 5); +} diff --git a/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs b/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs index 9e48410f704..c36f6b11224 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs @@ -12,6 +12,7 @@ fn main() { test_race(); test_blocking_read(); test_blocking_write(); + test_socketpair_setfl_getfl(); } fn test_socketpair() { @@ -182,3 +183,35 @@ fn test_blocking_write() { thread1.join().unwrap(); thread2.join().unwrap(); } + +/// Basic test for socketpair fcntl's F_SETFL and F_GETFL flag. +fn test_socketpair_setfl_getfl() { + // Initialise socketpair fds. + let mut fds = [-1, -1]; + let res = unsafe { libc::socketpair(libc::AF_UNIX, libc::SOCK_STREAM, 0, fds.as_mut_ptr()) }; + assert_eq!(res, 0); + + // Test if both sides have O_RDWR. + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDWR); + let res = unsafe { libc::fcntl(fds[1], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDWR); + + // Add the O_NONBLOCK flag with F_SETFL. + let res = unsafe { libc::fcntl(fds[0], libc::F_SETFL, libc::O_NONBLOCK) }; + assert_eq!(res, 0); + + // Test if the O_NONBLOCK flag is successfully added. + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDWR | libc::O_NONBLOCK); + + // The other side remains unchanged. + let res = unsafe { libc::fcntl(fds[1], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDWR); + + // Test if O_NONBLOCK flag can be unset. + let res = unsafe { libc::fcntl(fds[0], libc::F_SETFL, 0) }; + assert_eq!(res, 0); + let res = unsafe { libc::fcntl(fds[0], libc::F_GETFL) }; + assert_eq!(res, libc::O_RDWR); +} diff --git a/src/tools/miri/tests/pass-dep/shims/freebsd-cpuset-affinity.rs b/src/tools/miri/tests/pass-dep/shims/freebsd-cpuset-affinity.rs new file mode 100644 index 00000000000..9a868128d27 --- /dev/null +++ b/src/tools/miri/tests/pass-dep/shims/freebsd-cpuset-affinity.rs @@ -0,0 +1,51 @@ +//@only-target: freebsd +//@compile-flags: -Zmiri-num-cpus=256 + +use std::mem; + +fn getaffinity() { + let mut set: libc::cpuset_t = unsafe { mem::zeroed() }; + unsafe { + if libc::cpuset_getaffinity( + libc::CPU_LEVEL_WHICH, + libc::CPU_WHICH_PID, + -1, + size_of::<libc::cpuset_t>(), + &mut set, + ) == 0 + { + assert!(libc::CPU_COUNT(&set) == 256); + } + } +} + +fn get_small_cpu_mask() { + let mut set: libc::cpuset_t = unsafe { core::mem::MaybeUninit::zeroed().assume_init() }; + + // 256 CPUs so we need 32 bytes to represent this mask. + // According to Freebsd only when `cpusetsize` is smaller than this value, does it return with ERANGE + + let err = unsafe { + libc::cpuset_getaffinity(libc::CPU_LEVEL_WHICH, libc::CPU_WHICH_PID, -1, 32, &mut set) + }; + assert_eq!(err, 0, "Success Expected"); + + // 31 is not enough, so it should fail. + let err = unsafe { + libc::cpuset_getaffinity(libc::CPU_LEVEL_WHICH, libc::CPU_WHICH_PID, -1, 31, &mut set) + }; + assert_eq!(err, -1, "Expected Failure"); + assert_eq!(std::io::Error::last_os_error().raw_os_error().unwrap(), libc::ERANGE); + + // Zero should fail as well. + let err = unsafe { + libc::cpuset_getaffinity(libc::CPU_LEVEL_WHICH, libc::CPU_WHICH_PID, -1, 0, &mut set) + }; + assert_eq!(err, -1, "Expected Failure"); + assert_eq!(std::io::Error::last_os_error().raw_os_error().unwrap(), libc::ERANGE); +} + +fn main() { + getaffinity(); + get_small_cpu_mask(); +} diff --git a/src/tools/miri/tests/pass-dep/shims/windows-fs.rs b/src/tools/miri/tests/pass-dep/shims/windows-fs.rs index 698ca4e0b4b..4ca19046b67 100644 --- a/src/tools/miri/tests/pass-dep/shims/windows-fs.rs +++ b/src/tools/miri/tests/pass-dep/shims/windows-fs.rs @@ -2,25 +2,28 @@ //@compile-flags: -Zmiri-disable-isolation #![allow(nonstandard_style)] -use std::io::ErrorKind; +use std::io::{ErrorKind, Read, Write}; use std::os::windows::ffi::OsStrExt; +use std::os::windows::io::AsRawHandle; use std::path::Path; -use std::ptr; +use std::{fs, ptr}; #[path = "../../utils/mod.rs"] mod utils; +use windows_sys::Wdk::Storage::FileSystem::{NtReadFile, NtWriteFile}; use windows_sys::Win32::Foundation::{ CloseHandle, ERROR_ACCESS_DENIED, ERROR_ALREADY_EXISTS, ERROR_IO_DEVICE, GENERIC_READ, GENERIC_WRITE, GetLastError, RtlNtStatusToDosError, STATUS_ACCESS_DENIED, - STATUS_IO_DEVICE_ERROR, + STATUS_IO_DEVICE_ERROR, STATUS_SUCCESS, SetLastError, }; use windows_sys::Win32::Storage::FileSystem::{ BY_HANDLE_FILE_INFORMATION, CREATE_ALWAYS, CREATE_NEW, CreateFileW, DeleteFileW, - FILE_ATTRIBUTE_DIRECTORY, FILE_ATTRIBUTE_NORMAL, FILE_FLAG_BACKUP_SEMANTICS, - FILE_FLAG_OPEN_REPARSE_POINT, FILE_SHARE_DELETE, FILE_SHARE_READ, FILE_SHARE_WRITE, - GetFileInformationByHandle, OPEN_ALWAYS, OPEN_EXISTING, + FILE_ATTRIBUTE_DIRECTORY, FILE_ATTRIBUTE_NORMAL, FILE_BEGIN, FILE_CURRENT, + FILE_FLAG_BACKUP_SEMANTICS, FILE_FLAG_OPEN_REPARSE_POINT, FILE_SHARE_DELETE, FILE_SHARE_READ, + FILE_SHARE_WRITE, GetFileInformationByHandle, OPEN_ALWAYS, OPEN_EXISTING, SetFilePointerEx, }; +use windows_sys::Win32::System::IO::IO_STATUS_BLOCK; fn main() { unsafe { @@ -31,6 +34,8 @@ fn main() { test_open_dir_reparse(); test_delete_file(); test_ntstatus_to_dos(); + test_file_read_write(); + test_file_seek(); } } @@ -199,13 +204,13 @@ unsafe fn test_open_dir_reparse() { unsafe fn test_delete_file() { let temp = utils::tmp().join("test_delete_file.txt"); let raw_path = to_wide_cstr(&temp); - let _ = std::fs::File::create(&temp).unwrap(); + let _ = fs::File::create(&temp).unwrap(); if DeleteFileW(raw_path.as_ptr()) == 0 { panic!("Failed to delete file"); } - match std::fs::File::open(temp) { + match fs::File::open(temp) { Ok(_) => panic!("File not deleted"), Err(e) => assert!(e.kind() == ErrorKind::NotFound, "File not deleted"), } @@ -217,6 +222,82 @@ unsafe fn test_ntstatus_to_dos() { assert_eq!(RtlNtStatusToDosError(STATUS_ACCESS_DENIED), ERROR_ACCESS_DENIED); } +unsafe fn test_file_read_write() { + let temp = utils::tmp().join("test_file_read_write.txt"); + let file = fs::File::create(&temp).unwrap(); + let handle = file.as_raw_handle(); + + // Testing NtWriteFile doesn't clobber the error + SetLastError(1234); + + let text = b"Example text!"; + let mut status = std::mem::zeroed::<IO_STATUS_BLOCK>(); + let out = NtWriteFile( + handle, + ptr::null_mut(), + None, + ptr::null_mut(), + &mut status, + text.as_ptr().cast(), + text.len() as u32, + ptr::null_mut(), + ptr::null_mut(), + ); + + assert_eq!(out, status.Anonymous.Status); + assert_eq!(out, STATUS_SUCCESS); + assert_eq!(GetLastError(), 1234); + + let file = fs::File::open(&temp).unwrap(); + let handle = file.as_raw_handle(); + + // Testing NtReadFile doesn't clobber the error + SetLastError(1234); + + let mut buffer = vec![0; 13]; + let out = NtReadFile( + handle, + ptr::null_mut(), + None, + ptr::null_mut(), + &mut status, + buffer.as_mut_ptr().cast(), + buffer.len() as u32, + ptr::null_mut(), + ptr::null_mut(), + ); + + assert_eq!(out, status.Anonymous.Status); + assert_eq!(out, STATUS_SUCCESS); + assert_eq!(buffer, text); + assert_eq!(GetLastError(), 1234); +} + +unsafe fn test_file_seek() { + let temp = utils::tmp().join("test_file_seek.txt"); + let mut file = fs::File::options().create(true).write(true).read(true).open(&temp).unwrap(); + file.write_all(b"Hello, World!\n").unwrap(); + + let handle = file.as_raw_handle(); + + if SetFilePointerEx(handle, 7, ptr::null_mut(), FILE_BEGIN) == 0 { + panic!("Failed to seek"); + } + + let mut buf = vec![0; 5]; + file.read(&mut buf).unwrap(); + assert_eq!(buf, b"World"); + + let mut pos = 0; + if SetFilePointerEx(handle, -7, &mut pos, FILE_CURRENT) == 0 { + panic!("Failed to seek"); + } + buf.truncate(2); + file.read_exact(&mut buf).unwrap(); + assert_eq!(buf, b", "); + assert_eq!(pos, 5); +} + fn to_wide_cstr(path: &Path) -> Vec<u16> { let mut raw_path = path.as_os_str().encode_wide().collect::<Vec<_>>(); raw_path.extend([0, 0]); diff --git a/src/tools/miri/tests/pass-dep/tokio/file-io.rs b/src/tools/miri/tests/pass-dep/tokio/file-io.rs index 6e88b907f5d..067753203bb 100644 --- a/src/tools/miri/tests/pass-dep/tokio/file-io.rs +++ b/src/tools/miri/tests/pass-dep/tokio/file-io.rs @@ -20,7 +20,11 @@ async fn test_create_and_write() -> io::Result<()> { let mut file = File::create(&path).await?; // Write 10 bytes to the file. - file.write(b"some bytes").await?; + file.write_all(b"some bytes").await?; + // For tokio's file I/O, `await` does not have its usual semantics of waiting until the + // operation is completed, so we have to wait some more to make sure the write is completed. + file.flush().await?; + // Check that 10 bytes have been written. assert_eq!(file.metadata().await.unwrap().len(), 10); remove_file(&path).unwrap(); @@ -31,10 +35,10 @@ async fn test_create_and_read() -> io::Result<()> { let bytes = b"more bytes"; let path = utils::prepare_with_content("foo.txt", bytes); let mut file = OpenOptions::new().read(true).open(&path).await.unwrap(); - let mut buffer = [0u8; 10]; + let mut buffer = vec![]; // Read the whole file. - file.read(&mut buffer[..]).await?; + file.read_to_end(&mut buffer).await?; assert_eq!(&buffer, b"more bytes"); remove_file(&path).unwrap(); diff --git a/src/tools/miri/tests/pass/alloc-access-tracking.rs b/src/tools/miri/tests/pass/alloc-access-tracking.rs index c47063bef03..0e88951dc43 100644 --- a/src/tools/miri/tests/pass/alloc-access-tracking.rs +++ b/src/tools/miri/tests/pass/alloc-access-tracking.rs @@ -1,7 +1,7 @@ #![no_std] #![no_main] -//@compile-flags: -Zmiri-track-alloc-id=21 -Zmiri-track-alloc-accesses -Cpanic=abort -//@normalize-stderr-test: "id 21" -> "id $$ALLOC" +//@compile-flags: -Zmiri-track-alloc-id=20 -Zmiri-track-alloc-accesses -Cpanic=abort +//@normalize-stderr-test: "id 20" -> "id $$ALLOC" //@only-target: linux # alloc IDs differ between OSes (due to extern static allocations) extern "Rust" { diff --git a/src/tools/miri/tests/pass/atomic.rs b/src/tools/miri/tests/pass/atomic.rs index 2b2e89e6d70..3de34e570c7 100644 --- a/src/tools/miri/tests/pass/atomic.rs +++ b/src/tools/miri/tests/pass/atomic.rs @@ -7,15 +7,17 @@ #![allow(static_mut_refs)] use std::sync::atomic::Ordering::*; -use std::sync::atomic::{AtomicBool, AtomicIsize, AtomicPtr, AtomicU64, compiler_fence, fence}; +use std::sync::atomic::{AtomicBool, AtomicIsize, AtomicPtr, AtomicUsize, compiler_fence, fence}; fn main() { atomic_bool(); atomic_all_ops(); - atomic_u64(); atomic_fences(); atomic_ptr(); weak_sometimes_fails(); + + #[cfg(target_has_atomic = "64")] + atomic_u64(); } fn atomic_bool() { @@ -36,25 +38,10 @@ fn atomic_bool() { } } -// There isn't a trait to use to make this generic, so just use a macro -macro_rules! compare_exchange_weak_loop { - ($atom:expr, $from:expr, $to:expr, $succ_order:expr, $fail_order:expr) => { - loop { - match $atom.compare_exchange_weak($from, $to, $succ_order, $fail_order) { - Ok(n) => { - assert_eq!(n, $from); - break; - } - Err(n) => assert_eq!(n, $from), - } - } - }; -} - /// Make sure we can handle all the intrinsics fn atomic_all_ops() { static ATOMIC: AtomicIsize = AtomicIsize::new(0); - static ATOMIC_UNSIGNED: AtomicU64 = AtomicU64::new(0); + static ATOMIC_UNSIGNED: AtomicUsize = AtomicUsize::new(0); let load_orders = [Relaxed, Acquire, SeqCst]; let stored_orders = [Relaxed, Release, SeqCst]; @@ -94,9 +81,26 @@ fn atomic_all_ops() { } } +#[cfg(target_has_atomic = "64")] fn atomic_u64() { + use std::sync::atomic::AtomicU64; static ATOMIC: AtomicU64 = AtomicU64::new(0); + // There isn't a trait to use to make this generic, so just use a macro + macro_rules! compare_exchange_weak_loop { + ($atom:expr, $from:expr, $to:expr, $succ_order:expr, $fail_order:expr) => { + loop { + match $atom.compare_exchange_weak($from, $to, $succ_order, $fail_order) { + Ok(n) => { + assert_eq!(n, $from); + break; + } + Err(n) => assert_eq!(n, $from), + } + } + }; + } + ATOMIC.store(1, SeqCst); assert_eq!(ATOMIC.compare_exchange(0, 0x100, AcqRel, Acquire), Err(1)); assert_eq!(ATOMIC.compare_exchange(0, 1, Release, Relaxed), Err(1)); diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr index 1ee5298f17d..8e167dbadef 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr @@ -7,12 +7,12 @@ RUSTLIB/core/src/ops/function.rs:LL:CC (<fn() as std::ops::FnOnce<()>>::call_onc RUSTLIB/std/src/sys/backtrace.rs:LL:CC (std::sys::backtrace::__rust_begin_short_backtrace) RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start::{closure#0}) RUSTLIB/core/src/ops/function.rs:LL:CC (std::ops::function::impls::call_once) -RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call) -RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try) +RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::catch_unwind::do_call) +RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::catch_unwind) RUSTLIB/std/src/panic.rs:LL:CC (std::panic::catch_unwind) RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start_internal::{closure#0}) -RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call) -RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try) +RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::catch_unwind::do_call) +RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::catch_unwind) RUSTLIB/std/src/panic.rs:LL:CC (std::panic::catch_unwind) RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start_internal) RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start) diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr index 26cdee18e3c..588bb85f35a 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr @@ -8,17 +8,17 @@ at RUSTLIB/std/src/rt.rs:LL:CC 4: std::ops::function::impls::call_once at RUSTLIB/core/src/ops/function.rs:LL:CC - 5: std::panicking::r#try::do_call + 5: std::panicking::catch_unwind::do_call at RUSTLIB/std/src/panicking.rs:LL:CC - 6: std::panicking::r#try + 6: std::panicking::catch_unwind at RUSTLIB/std/src/panicking.rs:LL:CC 7: std::panic::catch_unwind at RUSTLIB/std/src/panic.rs:LL:CC 8: std::rt::lang_start_internal::{closure#0} at RUSTLIB/std/src/rt.rs:LL:CC - 9: std::panicking::r#try::do_call + 9: std::panicking::catch_unwind::do_call at RUSTLIB/std/src/panicking.rs:LL:CC - 10: std::panicking::r#try + 10: std::panicking::catch_unwind at RUSTLIB/std/src/panicking.rs:LL:CC 11: std::panic::catch_unwind at RUSTLIB/std/src/panic.rs:LL:CC diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr index d89ae3837b9..9c952755957 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr @@ -16,17 +16,17 @@ at RUSTLIB/std/src/rt.rs:LL:CC 8: std::ops::function::impls::call_once at RUSTLIB/core/src/ops/function.rs:LL:CC - 9: std::panicking::r#try::do_call + 9: std::panicking::catch_unwind::do_call at RUSTLIB/std/src/panicking.rs:LL:CC - 10: std::panicking::r#try + 10: std::panicking::catch_unwind at RUSTLIB/std/src/panicking.rs:LL:CC 11: std::panic::catch_unwind at RUSTLIB/std/src/panic.rs:LL:CC 12: std::rt::lang_start_internal::{closure#0} at RUSTLIB/std/src/rt.rs:LL:CC - 13: std::panicking::r#try::do_call + 13: std::panicking::catch_unwind::do_call at RUSTLIB/std/src/panicking.rs:LL:CC - 14: std::panicking::r#try + 14: std::panicking::catch_unwind at RUSTLIB/std/src/panicking.rs:LL:CC 15: std::panic::catch_unwind at RUSTLIB/std/src/panic.rs:LL:CC diff --git a/src/tools/miri/tests/pass/both_borrows/basic_aliasing_model.rs b/src/tools/miri/tests/pass/both_borrows/basic_aliasing_model.rs index c76e7f2eebd..6a625e597df 100644 --- a/src/tools/miri/tests/pass/both_borrows/basic_aliasing_model.rs +++ b/src/tools/miri/tests/pass/both_borrows/basic_aliasing_model.rs @@ -1,6 +1,7 @@ //@revisions: stack tree //@[tree]compile-flags: -Zmiri-tree-borrows #![feature(allocator_api)] +use std::cell::Cell; use std::ptr; // Test various aliasing-model-related things. @@ -22,6 +23,7 @@ fn main() { not_unpin_not_protected(); write_does_not_invalidate_all_aliases(); box_into_raw_allows_interior_mutable_alias(); + cell_inside_struct() } // Make sure that reading from an `&mut` does, like reborrowing to `&`, @@ -259,7 +261,7 @@ fn write_does_not_invalidate_all_aliases() { fn box_into_raw_allows_interior_mutable_alias() { unsafe { - let b = Box::new(std::cell::Cell::new(42)); + let b = Box::new(Cell::new(42)); let raw = Box::into_raw(b); let c = &*raw; let d = raw.cast::<i32>(); // bypassing `Cell` -- only okay in Miri tests @@ -269,3 +271,19 @@ fn box_into_raw_allows_interior_mutable_alias() { drop(Box::from_raw(raw)); } } + +fn cell_inside_struct() { + struct Foo { + field1: u32, + field2: Cell<u32>, + } + + let mut root = Foo { field1: 42, field2: Cell::new(88) }; + let a = &mut root; + + // Writing to `field2`, which is interior mutable, should be allowed. + (*a).field2.set(10); + + // Writing to `field1`, which is reserved, should also be allowed. + (*a).field1 = 88; +} diff --git a/src/tools/miri/tests/pass/btreemap.rs b/src/tools/miri/tests/pass/btreemap.rs index 1213f81a6f1..1d65e69bf72 100644 --- a/src/tools/miri/tests/pass/btreemap.rs +++ b/src/tools/miri/tests/pass/btreemap.rs @@ -50,7 +50,7 @@ pub fn main() { test_all_refs(&mut 13, b.values_mut()); // Test forgetting the extractor. - let mut d = b.extract_if(|_, i| *i < 30); + let mut d = b.extract_if(.., |_, i| *i < 30); d.next().unwrap(); mem::forget(d); } diff --git a/src/tools/miri/tests/pass/shims/fs.rs b/src/tools/miri/tests/pass/shims/fs.rs index d0a7f245ee0..87df43ca7e5 100644 --- a/src/tools/miri/tests/pass/shims/fs.rs +++ b/src/tools/miri/tests/pass/shims/fs.rs @@ -17,20 +17,20 @@ mod utils; fn main() { test_path_conversion(); + test_file(); test_file_create_new(); + test_metadata(); + test_seek(); + test_errors(); + test_from_raw_os_error(); + test_file_clone(); // Windows file handling is very incomplete. if cfg!(not(windows)) { - test_file(); - test_seek(); - test_file_clone(); - test_metadata(); test_file_set_len(); test_file_sync(); - test_errors(); test_rename(); test_directory(); test_canonicalize(); - test_from_raw_os_error(); #[cfg(unix)] test_pread_pwrite(); } diff --git a/src/tools/miri/tests/pass/shims/io.rs b/src/tools/miri/tests/pass/shims/io.rs index 420ef95a0cb..a96b98c0227 100644 --- a/src/tools/miri/tests/pass/shims/io.rs +++ b/src/tools/miri/tests/pass/shims/io.rs @@ -1,8 +1,10 @@ -use std::io::{self, IsTerminal}; +use std::io::{self, IsTerminal, Write}; fn main() { - // We can't really assume that this is truly a terminal, and anyway on Windows Miri will always - // return `false` here, but we can check that the call succeeds. + io::stdout().write_all(b"stdout\n").unwrap(); + io::stderr().write_all(b"stderr\n").unwrap(); + + // We can't assume that this is truly a terminal, but we can check that the call succeeds. io::stdout().is_terminal(); // Ensure we can format `io::Error` created from OS errors diff --git a/src/tools/miri/tests/pass/shims/io.stderr b/src/tools/miri/tests/pass/shims/io.stderr new file mode 100644 index 00000000000..af6415db3c7 --- /dev/null +++ b/src/tools/miri/tests/pass/shims/io.stderr @@ -0,0 +1 @@ +stderr diff --git a/src/tools/miri/tests/pass/shims/io.stdout b/src/tools/miri/tests/pass/shims/io.stdout new file mode 100644 index 00000000000..faa3a15c184 --- /dev/null +++ b/src/tools/miri/tests/pass/shims/io.stdout @@ -0,0 +1 @@ +stdout diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-aes-vaes.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-aes-vaes.rs index 47f086f7340..48633c0a7fe 100644 --- a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-aes-vaes.rs +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-aes-vaes.rs @@ -2,7 +2,7 @@ //@only-target: x86_64 i686 //@compile-flags: -C target-feature=+aes,+vaes,+avx512f -#![feature(avx512_target_feature, stdarch_x86_avx512)] +#![feature(stdarch_x86_avx512)] use core::mem::transmute; #[cfg(target_arch = "x86")] diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-avx512.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-avx512.rs index db593063890..0ec2f679d80 100644 --- a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-avx512.rs +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-avx512.rs @@ -2,7 +2,6 @@ //@only-target: x86_64 i686 //@compile-flags: -C target-feature=+avx512f,+avx512vl,+avx512bitalg,+avx512vpopcntdq -#![feature(avx512_target_feature)] #![feature(stdarch_x86_avx512)] #[cfg(target_arch = "x86")] diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-gfni.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-gfni.rs index 882b5e3f795..b58d68e2ef9 100644 --- a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-gfni.rs +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-gfni.rs @@ -6,7 +6,6 @@ // be interpreted as integers; signedness does not make sense for them, but // __mXXXi happens to be defined in terms of signed integers. #![allow(overflowing_literals)] -#![feature(avx512_target_feature)] #![feature(stdarch_x86_avx512)] #[cfg(target_arch = "x86")] diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-vpclmulqdq.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-vpclmulqdq.rs index 68964728e4e..c7c9eb5e395 100644 --- a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-vpclmulqdq.rs +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-vpclmulqdq.rs @@ -8,7 +8,6 @@ // be interpreted as integers; signedness does not make sense for them, but // __mXXXi happens to be defined in terms of signed integers. #![allow(overflowing_literals)] -#![feature(avx512_target_feature)] #![feature(stdarch_x86_avx512)] #[cfg(target_arch = "x86")] diff --git a/src/tools/miri/tests/pass/tree_borrows/cell-alternate-writes.stderr b/src/tools/miri/tests/pass/tree_borrows/cell-alternate-writes.stderr index 75a30c9a083..e09aed2cf5d 100644 --- a/src/tools/miri/tests/pass/tree_borrows/cell-alternate-writes.stderr +++ b/src/tools/miri/tests/pass/tree_borrows/cell-alternate-writes.stderr @@ -3,8 +3,8 @@ Warning: this tree is indicative only. Some tags may have been hidden. 0.. 1 | Act | └─┬──<TAG=root of the allocation> | ReIM| └─┬──<TAG=data> -| Cel | ├────<TAG=x> -| Cel | └────<TAG=y> +|?Cel | ├────<TAG=x> +|?Cel | └────<TAG=y> ────────────────────────────────────────────────── ────────────────────────────────────────────────── Warning: this tree is indicative only. Some tags may have been hidden. diff --git a/src/tools/miri/tests/pass/tree_borrows/cell-lazy-write-to-surrounding.rs b/src/tools/miri/tests/pass/tree_borrows/cell-lazy-write-to-surrounding.rs new file mode 100644 index 00000000000..abe08f2cd22 --- /dev/null +++ b/src/tools/miri/tests/pass/tree_borrows/cell-lazy-write-to-surrounding.rs @@ -0,0 +1,22 @@ +//@compile-flags: -Zmiri-tree-borrows + +use std::cell::Cell; + +fn foo(x: &Cell<i32>) { + unsafe { + let ptr = x as *const Cell<i32> as *mut Cell<i32> as *mut i32; + ptr.offset(1).write(0); + } +} + +fn main() { + let arr = [Cell::new(1), Cell::new(1)]; + foo(&arr[0]); + + let pair = (Cell::new(1), 1); + // TODO: Ideally, this would result in UB since the second element + // in `pair` is Frozen. We would need some way to express a + // "shared reference with permission to access surrounding + // interior mutable data". + foo(&pair.0); +} diff --git a/src/tools/opt-dist/src/bolt.rs b/src/tools/opt-dist/src/bolt.rs index 0f1fda38115..a06e59fcc41 100644 --- a/src/tools/opt-dist/src/bolt.rs +++ b/src/tools/opt-dist/src/bolt.rs @@ -80,7 +80,7 @@ pub fn bolt_optimize( // Move jump tables to a separate section .arg("-jump-tables=move") // Fold functions with identical code - .arg("-icf=1") + .arg("-icf=all") // The following flag saves about 50 MiB of libLLVM.so size. // However, it succeeds very non-deterministically. To avoid frequent artifact size swings, // it is kept disabled for now. diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs index 47159a43140..36a7d6a7cba 100644 --- a/src/tools/opt-dist/src/training.rs +++ b/src/tools/opt-dist/src/training.rs @@ -36,7 +36,7 @@ fn init_compiler_benchmarks( profiles.join(",").as_str(), "--scenarios", scenarios.join(",").as_str(), - "--include", + "--exact-match", crates.join(",").as_str(), ]) .env("RUST_LOG", "collector=debug") diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/config.yml b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/config.yml new file mode 100644 index 00000000000..466672e3d48 --- /dev/null +++ b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/config.yml @@ -0,0 +1,4 @@ +contact_links: + - name: Questions regarding rust-analyzer + url: https://github.com/rust-lang/rust-analyzer/discussions + about: Please ask and answer questions here instead of opening an issue diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/critical_nightly_regression.md b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/critical_nightly_regression.md index 23c43443c84..2b44bdc748f 100644 --- a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/critical_nightly_regression.md +++ b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/critical_nightly_regression.md @@ -12,5 +12,3 @@ Troubleshooting guide: https://rust-analyzer.github.io/book/troubleshooting.html Please try to provide information which will help us to fix the issue faster. Minimal reproducible examples with few dependencies are especially lovely <3. --> - -This is a serious regression in nightly and it's important to fix it before the next release. diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/question.md b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/question.md deleted file mode 100644 index a90ade882bd..00000000000 --- a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/question.md +++ /dev/null @@ -1,8 +0,0 @@ ---- -name: Support Question -about: A question regarding functionality of rust-analyzer. -title: '' -labels: 'C-support' -assignees: '' - ---- diff --git a/src/tools/rust-analyzer/.github/workflows/metrics.yaml b/src/tools/rust-analyzer/.github/workflows/metrics.yaml index a4146d60218..dc2f432bbc7 100644 --- a/src/tools/rust-analyzer/.github/workflows/metrics.yaml +++ b/src/tools/rust-analyzer/.github/workflows/metrics.yaml @@ -18,9 +18,9 @@ jobs: steps: - name: Install Rust toolchain run: | - rustup update --no-self-update stable - rustup default stable - rustup component add --toolchain stable rust-src + rustup update --no-self-update beta + rustup default beta + rustup component add --toolchain beta rust-src - name: Checkout repository uses: actions/checkout@v4 @@ -61,9 +61,9 @@ jobs: steps: - name: Install Rust toolchain run: | - rustup update --no-self-update stable - rustup default stable - rustup component add --toolchain stable rust-src + rustup update --no-self-update beta + rustup default beta + rustup component add --toolchain beta rust-src - name: Checkout repository uses: actions/checkout@v4 diff --git a/src/tools/rust-analyzer/Cargo.lock b/src/tools/rust-analyzer/Cargo.lock index 8d6c8284e44..01de430925d 100644 --- a/src/tools/rust-analyzer/Cargo.lock +++ b/src/tools/rust-analyzer/Cargo.lock @@ -18,15 +18,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627" [[package]] -name = "aho-corasick" -version = "1.1.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916" -dependencies = [ - "memchr", -] - -[[package]] name = "allocator-api2" version = "0.2.21" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -61,9 +52,9 @@ checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26" [[package]] name = "backtrace" -version = "0.3.74" +version = "0.3.75" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8d82cb332cdfaed17ae235a638438ac4d4839913cc2af585c3c6746e8f8bee1a" +checksum = "6806a6321ec58106fea15becdad98371e28d92ccbc7c8f1b3b6dd724fe8f1002" dependencies = [ "addr2line", "cfg-if", @@ -80,6 +71,7 @@ version = "0.0.0" dependencies = [ "cfg", "dashmap", + "indexmap", "intern", "la-arena 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", "query-group-macro", @@ -123,12 +115,9 @@ dependencies = [ [[package]] name = "boxcar" -version = "0.2.11" +version = "0.2.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6740c6e2fc6360fa57c35214c7493826aee95993926092606f27c983b40837be" -dependencies = [ - "loom", -] +checksum = "66bb12751a83493ef4b8da1120451a262554e216a247f14b48cb5e8fe7ed8bdf" [[package]] name = "camino" @@ -316,9 +305,9 @@ checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28" [[package]] name = "ctrlc" -version = "3.4.5" +version = "3.4.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "90eeab0aa92f3f9b4e87f258c72b139c207d251f9cbc1080a0086b86a8870dd3" +checksum = "46f93780a459b7d656ef7f071fe699c4d3d2cb201c4b24d085b6ddc505276e73" dependencies = [ "nix", "windows-sys 0.59.0", @@ -472,9 +461,9 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80" [[package]] name = "flate2" -version = "1.1.0" +version = "1.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "11faaf5a5236997af9848be0bef4db95824b1d534ebc64d0f0c6cf3e67bd38dc" +checksum = "7ced92e76e966ca2fd84c8f7aa01a4aea65b0eb6648d72f7c8f3e2764a67fece" dependencies = [ "crc32fast", "miniz_oxide", @@ -511,19 +500,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7ab85b9b05e3978cc9a9cf8fea7f01b494e1a09ed3037e16ba39edc7a29eb61a" [[package]] -name = "generator" -version = "0.8.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cc6bd114ceda131d3b1d665eba35788690ad37f5916457286b32ab6fd3c438dd" -dependencies = [ - "cfg-if", - "libc", - "log", - "rustversion", - "windows 0.58.0", -] - -[[package]] name = "getrandom" version = "0.2.15" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1010,9 +986,9 @@ dependencies = [ [[package]] name = "indexmap" -version = "2.8.0" +version = "2.9.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058" +checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e" dependencies = [ "equivalent", "hashbrown 0.15.2", @@ -1123,12 +1099,12 @@ checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa" [[package]] name = "libloading" -version = "0.8.6" +version = "0.8.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34" +checksum = "6a793df0d7afeac54f95b471d3af7f0d4fb975699f972341a4b76988d49cdf0c" dependencies = [ "cfg-if", - "windows-targets 0.52.6", + "windows-targets 0.53.0", ] [[package]] @@ -1213,19 +1189,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "30bde2b3dc3671ae49d8e2e9f044c7c005836e7a023ee57cffa25ab82764bb9e" [[package]] -name = "loom" -version = "0.7.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "419e0dc8046cb947daa77eb95ae174acfbddb7673b4151f56d1eed8e93fbfaca" -dependencies = [ - "cfg-if", - "generator", - "scoped-tls", - "tracing", - "tracing-subscriber", -] - -[[package]] name = "lsp-server" version = "0.7.8" dependencies = [ @@ -1265,15 +1228,6 @@ dependencies = [ ] [[package]] -name = "matchers" -version = "0.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558" -dependencies = [ - "regex-automata 0.1.10", -] - -[[package]] name = "mbe" version = "0.0.0" dependencies = [ @@ -1358,9 +1312,9 @@ dependencies = [ [[package]] name = "nix" -version = "0.29.0" +version = "0.30.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46" +checksum = "74523f3a35e05aba87a1d978330aef40f67b0304ac79c1c00b294c9830543db6" dependencies = [ "bitflags 2.9.0", "cfg-if", @@ -1401,16 +1355,6 @@ checksum = "5e0826a989adedc2a244799e823aece04662b66609d96af8dff7ac6df9a8925d" [[package]] name = "nu-ansi-term" -version = "0.46.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84" -dependencies = [ - "overload", - "winapi", -] - -[[package]] -name = "nu-ansi-term" version = "0.50.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d4a28e057d01f97e61255210fcff094d74ed0466038633e95017f5beb68e4399" @@ -1471,12 +1415,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d" [[package]] -name = "overload" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39" - -[[package]] name = "parking_lot" version = "0.12.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1640,14 +1578,14 @@ dependencies = [ [[package]] name = "process-wrap" -version = "8.2.0" +version = "8.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d35f4dc9988d1326b065b4def5e950c3ed727aa03e3151b86cc9e2aec6b03f54" +checksum = "a3ef4f2f0422f23a82ec9f628ea2acd12871c81a9362b02c43c1aa86acfc3ba1" dependencies = [ "indexmap", "nix", "tracing", - "windows 0.59.0", + "windows", ] [[package]] @@ -1749,9 +1687,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_abi" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "912228bd8ed3beff1f6f9e5e2d4b37c0827ba3e2070060bf3858a311d0e29e30" +checksum = "c33b8fa229789975647ca5426be432c7c327ebde89ab15889928185dbcee3230" dependencies = [ "bitflags 2.9.0", "ra-ap-rustc_hashes", @@ -1761,18 +1699,18 @@ dependencies = [ [[package]] name = "ra-ap-rustc_hashes" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba520764daf057a9d963fa769f4762eaf87ac5d4900ae76195eeead64cd35afd" +checksum = "0d68a3e389927002f552938a90b04787f6435f55b46fc5691360470d1cb2e99d" dependencies = [ "rustc-stable-hash", ] [[package]] name = "ra-ap-rustc_index" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b76b5f9ee55f2d0e5a65bea23f6d738893349ce8d3d17a6720933e647ab04978" +checksum = "32502273df2838d0ca13f1c67e2a48feef940e591f9771869f07e2db2acede53" dependencies = [ "ra-ap-rustc_index_macros", "smallvec", @@ -1780,9 +1718,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_index_macros" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ddd972eb1face2fcaa0d94c01d97862fb955b5561d4f5932003bce8a6cadd8c6" +checksum = "8a32f081864ae34c7ae6634edfa7a95ab9260ba85015e8b1d347580eda79d14f" dependencies = [ "proc-macro2", "quote", @@ -1791,9 +1729,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_lexer" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba3a9876456fb2521097deef33ddeac1c18260c8eafb68054d986f8b9d6ce9fa" +checksum = "ed34c51974718c5bd90d876d1364d9725159fc8030c2382b9cb837034152ed68" dependencies = [ "memchr", "unicode-properties", @@ -1802,9 +1740,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_parse_format" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8e85de58dfcc60a5f9d5ec0157a657e3f84abd8f22c8a0c4d707cfb42c9011f4" +checksum = "ff0440e5d27facbf4ff13ea651e48c2f6e360b3dbfc56251b41d60719b965fb8" dependencies = [ "ra-ap-rustc_lexer", "rustc-literal-escaper", @@ -1812,9 +1750,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_pattern_analysis" -version = "0.110.0" +version = "0.113.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ceadf9db550db67deff7eff2e2765109b860c9d7e5bdfca144863020289c823d" +checksum = "a6056efa57aba3aa0cc69a0bf1a8281624c23ad25b05748d11ebcd4668037bfc" dependencies = [ "ra-ap-rustc_index", "rustc-hash 2.1.1", @@ -1864,50 +1802,6 @@ dependencies = [ ] [[package]] -name = "regex" -version = "1.11.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191" -dependencies = [ - "aho-corasick", - "memchr", - "regex-automata 0.4.9", - "regex-syntax 0.8.5", -] - -[[package]] -name = "regex-automata" -version = "0.1.10" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132" -dependencies = [ - "regex-syntax 0.6.29", -] - -[[package]] -name = "regex-automata" -version = "0.4.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908" -dependencies = [ - "aho-corasick", - "memchr", - "regex-syntax 0.8.5", -] - -[[package]] -name = "regex-syntax" -version = "0.6.29" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1" - -[[package]] -name = "regex-syntax" -version = "0.8.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" - -[[package]] name = "rowan" version = "0.15.15" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2026,12 +1920,6 @@ dependencies = [ ] [[package]] -name = "rustversion" -version = "1.0.20" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2" - -[[package]] name = "ryu" version = "1.0.20" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2039,9 +1927,9 @@ checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f" [[package]] name = "salsa" -version = "0.21.1" +version = "0.22.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6f80d5cf3c3fcab2cef898012f242a670477a1baa609267376af9cb4409026c5" +checksum = "c8fff508e3d6ef42a32607f7538e17171a877a12015e32036f46e99d00c95781" dependencies = [ "boxcar", "crossbeam-queue", @@ -2062,15 +1950,15 @@ dependencies = [ [[package]] name = "salsa-macro-rules" -version = "0.21.1" +version = "0.22.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "05303d72606fbf2b9c9523cda2039bb8ecb00304027a3cd7e52b02a65c7d9185" +checksum = "8ea72b3c06f2ce6350fe3a0eeb7aaaf842d1d8352b706973c19c4f02e298a87c" [[package]] name = "salsa-macros" -version = "0.21.1" +version = "0.22.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eb2f0e2a30c65cb3cd63440c491dde68d9af7e1be2b77832ac7057141107db50" +checksum = "0ce92025bc160b27814a207cb78d680973af17f863c7f4fc56cf3a535e22f378" dependencies = [ "heck", "proc-macro2", @@ -2228,6 +2116,7 @@ version = "0.0.0" dependencies = [ "backtrace", "crossbeam-channel", + "crossbeam-utils", "itertools 0.14.0", "jod-thread", "libc", @@ -2554,15 +2443,9 @@ version = "0.3.19" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008" dependencies = [ - "matchers", - "nu-ansi-term 0.46.0", - "once_cell", - "regex", "sharded-slab", - "smallvec", "thread_local", "time", - "tracing", "tracing-core", "tracing-log", ] @@ -2573,7 +2456,7 @@ version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f459ca79f1b0d5f71c54ddfde6debfc59c8b6eeb46808ae492077f739dc7b49c" dependencies = [ - "nu-ansi-term 0.50.1", + "nu-ansi-term", "tracing-core", "tracing-log", "tracing-subscriber", @@ -2708,22 +2591,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423" [[package]] -name = "winapi" -version = "0.3.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419" -dependencies = [ - "winapi-i686-pc-windows-gnu", - "winapi-x86_64-pc-windows-gnu", -] - -[[package]] -name = "winapi-i686-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" - -[[package]] name = "winapi-util" version = "0.1.9" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2733,84 +2600,55 @@ dependencies = [ ] [[package]] -name = "winapi-x86_64-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" - -[[package]] name = "windows" -version = "0.58.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dd04d41d93c4992d421894c18c8b43496aa748dd4c081bac0dc93eb0489272b6" -dependencies = [ - "windows-core 0.58.0", - "windows-targets 0.52.6", -] - -[[package]] -name = "windows" -version = "0.59.0" +version = "0.61.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7f919aee0a93304be7f62e8e5027811bbba96bcb1de84d6618be56e43f8a32a1" +checksum = "c5ee8f3d025738cb02bad7868bbb5f8a6327501e870bf51f1b455b0a2454a419" dependencies = [ - "windows-core 0.59.0", - "windows-targets 0.53.0", + "windows-collections", + "windows-core", + "windows-future", + "windows-link", + "windows-numerics", ] [[package]] -name = "windows-core" -version = "0.58.0" +name = "windows-collections" +version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6ba6d44ec8c2591c134257ce647b7ea6b20335bf6379a27dac5f1641fcf59f99" +checksum = "3beeceb5e5cfd9eb1d76b381630e82c4241ccd0d27f1a39ed41b2760b255c5e8" dependencies = [ - "windows-implement 0.58.0", - "windows-interface 0.58.0", - "windows-result 0.2.0", - "windows-strings 0.1.0", - "windows-targets 0.52.6", + "windows-core", ] [[package]] name = "windows-core" -version = "0.59.0" +version = "0.61.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "810ce18ed2112484b0d4e15d022e5f598113e220c53e373fb31e67e21670c1ce" +checksum = "4763c1de310c86d75a878046489e2e5ba02c649d185f21c67d4cf8a56d098980" dependencies = [ - "windows-implement 0.59.0", - "windows-interface 0.59.0", - "windows-result 0.3.1", - "windows-strings 0.3.1", - "windows-targets 0.53.0", + "windows-implement", + "windows-interface", + "windows-link", + "windows-result", + "windows-strings", ] [[package]] -name = "windows-implement" -version = "0.58.0" +name = "windows-future" +version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2bbd5b46c938e506ecbce286b6628a02171d56153ba733b6c741fc627ec9579b" +checksum = "7a1d6bbefcb7b60acd19828e1bc965da6fcf18a7e39490c5f8be71e54a19ba32" dependencies = [ - "proc-macro2", - "quote", - "syn", + "windows-core", + "windows-link", ] [[package]] name = "windows-implement" -version = "0.59.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "83577b051e2f49a058c308f17f273b570a6a758386fc291b5f6a934dd84e48c1" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "windows-interface" -version = "0.58.0" +version = "0.60.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "053c4c462dc91d3b1504c6fe5a726dd15e216ba718e84a0e46a88fbe5ded3515" +checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836" dependencies = [ "proc-macro2", "quote", @@ -2819,9 +2657,9 @@ dependencies = [ [[package]] name = "windows-interface" -version = "0.59.0" +version = "0.59.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cb26fd936d991781ea39e87c3a27285081e3c0da5ca0fcbc02d368cc6f52ff01" +checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8" dependencies = [ "proc-macro2", "quote", @@ -2830,43 +2668,34 @@ dependencies = [ [[package]] name = "windows-link" -version = "0.1.0" +version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6dccfd733ce2b1753b03b6d3c65edf020262ea35e20ccdf3e288043e6dd620e3" +checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38" [[package]] -name = "windows-result" +name = "windows-numerics" version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1d1043d8214f791817bab27572aaa8af63732e11bf84aa21a45a78d6c317ae0e" +checksum = "9150af68066c4c5c07ddc0ce30421554771e528bde427614c61038bc2c92c2b1" dependencies = [ - "windows-targets 0.52.6", + "windows-core", + "windows-link", ] [[package]] name = "windows-result" -version = "0.3.1" +version = "0.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "06374efe858fab7e4f881500e6e86ec8bc28f9462c47e5a9941a0142ad86b189" +checksum = "c64fd11a4fd95df68efcfee5f44a294fe71b8bc6a91993e2791938abcc712252" dependencies = [ "windows-link", ] [[package]] name = "windows-strings" -version = "0.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4cd9b125c486025df0eabcb585e62173c6c9eddcec5d117d3b6e8c30e2ee4d10" -dependencies = [ - "windows-result 0.2.0", - "windows-targets 0.52.6", -] - -[[package]] -name = "windows-strings" -version = "0.3.1" +version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "87fa48cc5d406560701792be122a10132491cff9d0aeb23583cc2dcafc847319" +checksum = "7a2ba9642430ee452d5a7aa78d72907ebe8cfda358e8cb7918a2050581322f97" dependencies = [ "windows-link", ] @@ -3230,17 +3059,14 @@ dependencies = [ [[package]] name = "zip" -version = "2.4.2" +version = "3.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fabe6324e908f85a1c52063ce7aa26b68dcb7eb6dbc83a2d148403c9bc3eba50" +checksum = "12598812502ed0105f607f941c386f43d441e00148fce9dec3ca5ffb0bde9308" dependencies = [ "arbitrary", "crc32fast", - "crossbeam-utils", - "displaydoc", "flate2", "indexmap", "memchr", - "thiserror 2.0.12", "time", ] diff --git a/src/tools/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/Cargo.toml index c4c2fdf34ba..8c507189846 100644 --- a/src/tools/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/Cargo.toml @@ -85,11 +85,11 @@ vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" } vfs = { path = "./crates/vfs", version = "0.0.0" } edition = { path = "./crates/edition", version = "0.0.0" } -ra-ap-rustc_lexer = { version = "0.110", default-features = false } -ra-ap-rustc_parse_format = { version = "0.110", default-features = false } -ra-ap-rustc_index = { version = "0.110", default-features = false } -ra-ap-rustc_abi = { version = "0.110", default-features = false } -ra-ap-rustc_pattern_analysis = { version = "0.110", default-features = false } +ra-ap-rustc_lexer = { version = "0.113", default-features = false } +ra-ap-rustc_parse_format = { version = "0.113", default-features = false } +ra-ap-rustc_index = { version = "0.113", default-features = false } +ra-ap-rustc_abi = { version = "0.113", default-features = false } +ra-ap-rustc_pattern_analysis = { version = "0.113", default-features = false } # local crates that aren't published to crates.io. These should not have versions. @@ -132,8 +132,8 @@ pulldown-cmark-to-cmark = "10.0.4" pulldown-cmark = { version = "0.9.6", default-features = false } rayon = "1.10.0" rowan = "=0.15.15" -salsa = { version = "0.21.1", default-features = false, features = ["rayon","salsa_unstable"] } -salsa-macros = "0.21.1" +salsa = { version = "0.22.0", default-features = false, features = ["rayon","salsa_unstable"] } +salsa-macros = "0.22.0" semver = "1.0.26" serde = { version = "1.0.219" } serde_derive = { version = "1.0.219" } diff --git a/src/tools/rust-analyzer/crates/base-db/Cargo.toml b/src/tools/rust-analyzer/crates/base-db/Cargo.toml index e2e3253773f..3b423a86f97 100644 --- a/src/tools/rust-analyzer/crates/base-db/Cargo.toml +++ b/src/tools/rust-analyzer/crates/base-db/Cargo.toml @@ -21,6 +21,7 @@ rustc-hash.workspace = true triomphe.workspace = true semver.workspace = true tracing.workspace = true +indexmap.workspace = true # local deps cfg.workspace = true diff --git a/src/tools/rust-analyzer/crates/base-db/src/input.rs b/src/tools/rust-analyzer/crates/base-db/src/input.rs index 9660e6e87cc..745238167bc 100644 --- a/src/tools/rust-analyzer/crates/base-db/src/input.rs +++ b/src/tools/rust-analyzer/crates/base-db/src/input.rs @@ -14,7 +14,7 @@ use dashmap::DashMap; use dashmap::mapref::entry::Entry; use intern::Symbol; use la_arena::{Arena, Idx, RawIdx}; -use rustc_hash::{FxHashMap, FxHashSet, FxHasher}; +use rustc_hash::{FxBuildHasher, FxHashMap, FxHashSet, FxHasher}; use salsa::{Durability, Setter}; use span::Edition; use triomphe::Arc; @@ -24,6 +24,8 @@ use crate::{CrateWorkspaceData, EditionedFileId, RootQueryDb}; pub type ProcMacroPaths = FxHashMap<CrateBuilderId, Result<(String, AbsPathBuf), String>>; +type FxIndexSet<T> = indexmap::IndexSet<T, FxBuildHasher>; + #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)] pub struct SourceRootId(pub u32); @@ -393,21 +395,21 @@ impl BuiltDependency { pub type CratesIdMap = FxHashMap<CrateBuilderId, Crate>; #[salsa_macros::input] -#[derive(Debug)] +#[derive(Debug, PartialOrd, Ord)] pub struct Crate { - #[return_ref] + #[returns(ref)] pub data: BuiltCrateData, /// Crate data that is not needed for analysis. /// /// This is split into a separate field to increase incrementality. - #[return_ref] + #[returns(ref)] pub extra_data: ExtraCrateData, // This is in `Arc` because it is shared for all crates in a workspace. - #[return_ref] + #[returns(ref)] pub workspace_data: Arc<CrateWorkspaceData>, - #[return_ref] + #[returns(ref)] pub cfg_options: CfgOptions, - #[return_ref] + #[returns(ref)] pub env: Env, } @@ -474,7 +476,9 @@ impl CrateGraphBuilder { } pub fn set_in_db(self, db: &mut dyn RootQueryDb) -> CratesIdMap { - let mut all_crates = Vec::with_capacity(self.arena.len()); + // For some reason in some repositories we have duplicate crates, so we use a set and not `Vec`. + // We use an `IndexSet` because the list needs to be topologically sorted. + let mut all_crates = FxIndexSet::with_capacity_and_hasher(self.arena.len(), FxBuildHasher); let mut visited = FxHashMap::default(); let mut visited_root_files = FxHashSet::default(); @@ -494,9 +498,11 @@ impl CrateGraphBuilder { ); } - if **old_all_crates != *all_crates { + if old_all_crates.len() != all_crates.len() + || old_all_crates.iter().any(|&krate| !all_crates.contains(&krate)) + { db.set_all_crates_with_durability( - Arc::new(all_crates.into_boxed_slice()), + Arc::new(Vec::from_iter(all_crates).into_boxed_slice()), Durability::MEDIUM, ); } @@ -509,7 +515,7 @@ impl CrateGraphBuilder { crates_map: &CratesMap, visited: &mut FxHashMap<CrateBuilderId, Crate>, visited_root_files: &mut FxHashSet<FileId>, - all_crates: &mut Vec<Crate>, + all_crates: &mut FxIndexSet<Crate>, source: CrateBuilderId, ) -> Crate { if let Some(&crate_id) = visited.get(&source) { @@ -597,7 +603,7 @@ impl CrateGraphBuilder { input } }; - all_crates.push(crate_input); + all_crates.insert(crate_input); visited.insert(source, crate_input); crate_input } diff --git a/src/tools/rust-analyzer/crates/base-db/src/lib.rs b/src/tools/rust-analyzer/crates/base-db/src/lib.rs index a67fbf75c02..4d4e6cae037 100644 --- a/src/tools/rust-analyzer/crates/base-db/src/lib.rs +++ b/src/tools/rust-analyzer/crates/base-db/src/lib.rs @@ -32,6 +32,7 @@ pub use vfs::{AnchoredPath, AnchoredPathBuf, FileId, VfsPath, file_set::FileSet} macro_rules! impl_intern_key { ($id:ident, $loc:ident) => { #[salsa_macros::interned(no_lifetime)] + #[derive(PartialOrd, Ord)] pub struct $id { pub loc: $loc, } @@ -165,6 +166,7 @@ impl Files { } #[salsa_macros::interned(no_lifetime, debug, constructor=from_span)] +#[derive(PartialOrd, Ord)] pub struct EditionedFileId { pub editioned_file_id: span::EditionedFileId, } @@ -356,7 +358,7 @@ fn parse(db: &dyn RootQueryDb, file_id: EditionedFileId) -> Parse<ast::SourceFil } fn parse_errors(db: &dyn RootQueryDb, file_id: EditionedFileId) -> Option<&[SyntaxError]> { - #[salsa_macros::tracked(return_ref)] + #[salsa_macros::tracked(returns(ref))] fn parse_errors(db: &dyn RootQueryDb, file_id: EditionedFileId) -> Option<Box<[SyntaxError]>> { let errors = db.parse(file_id).errors(); match &*errors { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/db.rs b/src/tools/rust-analyzer/crates/hir-def/src/db.rs index 2cbdbe16f9b..4a9a3b12cfa 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/db.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/db.rs @@ -24,8 +24,8 @@ use crate::{ item_tree::{AttrOwner, ItemTree}, lang_item::{self, LangItem}, nameres::{ - DefMap, LocalDefMap, assoc::{ImplItems, TraitItems}, + crate_def_map, diagnostics::DefDiagnostics, }, signatures::{ @@ -111,16 +111,6 @@ pub trait DefDatabase: InternDatabase + ExpandDatabase + SourceDatabase { #[salsa::invoke(ItemTree::block_item_tree_query)] fn block_item_tree(&self, block_id: BlockId) -> Arc<ItemTree>; - #[salsa::invoke(DefMap::crate_local_def_map_query)] - fn crate_local_def_map(&self, krate: Crate) -> (Arc<DefMap>, Arc<LocalDefMap>); - - #[salsa::invoke(DefMap::crate_def_map_query)] - fn crate_def_map(&self, krate: Crate) -> Arc<DefMap>; - - /// Computes the block-level `DefMap`. - #[salsa::invoke(DefMap::block_def_map_query)] - fn block_def_map(&self, block: BlockId) -> Arc<DefMap>; - /// Turns a MacroId into a MacroDefId, describing the macro's definition post name resolution. #[salsa::invoke(macro_def)] fn macro_def(&self, m: MacroId) -> MacroDefId; @@ -363,7 +353,7 @@ fn include_macro_invoc( db: &dyn DefDatabase, krate: Crate, ) -> Arc<[(MacroCallId, EditionedFileId)]> { - db.crate_def_map(krate) + crate_def_map(db, krate) .modules .values() .flat_map(|m| m.scope.iter_macro_invoc()) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs index e3775c4931a..f617c3225ae 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs @@ -19,7 +19,6 @@ use rustc_hash::FxHashMap; use smallvec::SmallVec; use span::{Edition, SyntaxContext}; use syntax::{AstPtr, SyntaxNodePtr, ast}; -use triomphe::Arc; use tt::TextRange; use crate::{ @@ -30,7 +29,7 @@ use crate::{ Array, AsmOperand, Binding, BindingId, Expr, ExprId, ExprOrPatId, Label, LabelId, Pat, PatId, RecordFieldPat, Statement, }, - nameres::DefMap, + nameres::{DefMap, block_def_map}, type_ref::{LifetimeRef, LifetimeRefId, PathId, TypeRef, TypeRefId}, }; @@ -225,8 +224,8 @@ impl ExpressionStore { pub fn blocks<'a>( &'a self, db: &'a dyn DefDatabase, - ) -> impl Iterator<Item = (BlockId, Arc<DefMap>)> + 'a { - self.block_scopes.iter().map(move |&block| (block, db.block_def_map(block))) + ) -> impl Iterator<Item = (BlockId, &'a DefMap)> + 'a { + self.block_scopes.iter().map(move |&block| (block, block_def_map(db, block))) } pub fn walk_bindings_in_pat(&self, pat_id: PatId, mut f: impl FnMut(BindingId)) { @@ -299,17 +298,16 @@ impl ExpressionStore { Expr::InlineAsm(it) => it.operands.iter().for_each(|(_, op)| match op { AsmOperand::In { expr, .. } | AsmOperand::Out { expr: Some(expr), .. } - | AsmOperand::InOut { expr, .. } => f(*expr), + | AsmOperand::InOut { expr, .. } + | AsmOperand::Const(expr) + | AsmOperand::Label(expr) => f(*expr), AsmOperand::SplitInOut { in_expr, out_expr, .. } => { f(*in_expr); if let Some(out_expr) = out_expr { f(*out_expr); } } - AsmOperand::Out { expr: None, .. } - | AsmOperand::Const(_) - | AsmOperand::Label(_) - | AsmOperand::Sym(_) => (), + AsmOperand::Out { expr: None, .. } | AsmOperand::Sym(_) => (), }), Expr::If { condition, then_branch, else_branch } => { f(*condition); @@ -436,17 +434,16 @@ impl ExpressionStore { Expr::InlineAsm(it) => it.operands.iter().for_each(|(_, op)| match op { AsmOperand::In { expr, .. } | AsmOperand::Out { expr: Some(expr), .. } - | AsmOperand::InOut { expr, .. } => f(*expr), + | AsmOperand::InOut { expr, .. } + | AsmOperand::Const(expr) + | AsmOperand::Label(expr) => f(*expr), AsmOperand::SplitInOut { in_expr, out_expr, .. } => { f(*in_expr); if let Some(out_expr) = out_expr { f(*out_expr); } } - AsmOperand::Out { expr: None, .. } - | AsmOperand::Const(_) - | AsmOperand::Label(_) - | AsmOperand::Sym(_) => (), + AsmOperand::Out { expr: None, .. } | AsmOperand::Sym(_) => (), }), Expr::If { condition, then_branch, else_branch } => { f(*condition); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs index 50505d54ba2..29871f5e04d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs @@ -56,7 +56,7 @@ use crate::{ item_scope::BuiltinShadowMode, item_tree::FieldsShape, lang_item::LangItem, - nameres::{DefMap, LocalDefMap, MacroSubNs}, + nameres::{DefMap, LocalDefMap, MacroSubNs, block_def_map}, type_ref::{ ArrayType, ConstRef, FnType, LifetimeRef, LifetimeRefId, Mutability, PathId, Rawness, RefType, TraitBoundModifier, TraitRef, TypeBound, TypeRef, TypeRefId, UseArgRef, @@ -436,8 +436,8 @@ pub struct ExprCollector<'db> { db: &'db dyn DefDatabase, cfg_options: &'db CfgOptions, expander: Expander, - def_map: Arc<DefMap>, - local_def_map: Arc<LocalDefMap>, + def_map: &'db DefMap, + local_def_map: &'db LocalDefMap, module: ModuleId, pub store: ExpressionStoreBuilder, pub(crate) source_map: ExpressionStoreSourceMap, @@ -544,7 +544,7 @@ impl ExprCollector<'_> { current_file_id: HirFileId, ) -> ExprCollector<'_> { let (def_map, local_def_map) = module.local_def_map(db); - let expander = Expander::new(db, current_file_id, &def_map); + let expander = Expander::new(db, current_file_id, def_map); ExprCollector { db, cfg_options: module.krate().cfg_options(db), @@ -1947,7 +1947,7 @@ impl ExprCollector<'_> { let resolver = |path: &_| { self.def_map .resolve_path( - &self.local_def_map, + self.local_def_map, self.db, module, path, @@ -2163,12 +2163,12 @@ impl ExprCollector<'_> { }; let (module, def_map) = - match block_id.map(|block_id| (self.db.block_def_map(block_id), block_id)) { + match block_id.map(|block_id| (block_def_map(self.db, block_id), block_id)) { Some((def_map, block_id)) => { self.store.block_scopes.push(block_id); (def_map.module_id(DefMap::ROOT), def_map) } - None => (self.module, self.def_map.clone()), + None => (self.module, self.def_map), }; let prev_def_map = mem::replace(&mut self.def_map, def_map); let prev_local_module = mem::replace(&mut self.module, module); @@ -2247,7 +2247,7 @@ impl ExprCollector<'_> { // This could also be a single-segment path pattern. To // decide that, we need to try resolving the name. let (resolved, _) = self.def_map.resolve_path( - &self.local_def_map, + self.local_def_map, self.db, self.module.local_id, &name.clone().into(), diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path.rs index 629d1f2ada7..be006c98a58 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path.rs @@ -232,6 +232,14 @@ pub(super) fn lower_path( .with_borrow_mut(|map| map.extend(ast_segments.into_iter().zip(ast_segments_offset..))); } + if let Some(last_segment_args @ Some(GenericArgs { has_self_type: true, .. })) = + generic_args.last_mut() + { + // Well-formed code cannot have `<T as Trait>` without an associated item after, + // and this causes panics in hir-ty lowering. + *last_segment_args = None; + } + let mod_path = Interned::new(ModPath::from_segments(kind, segments)); if type_anchor.is_none() && generic_args.is_empty() { return Some(Path::BarePath(mod_path)); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs index 337cb103bde..8fd81c7b3df 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs @@ -4,7 +4,6 @@ use syntax::ast::{self, make}; use test_fixture::WithFixture; use crate::{ - db::DefDatabase, expr_store::{ ExpressionStore, lower::{ @@ -14,13 +13,15 @@ use crate::{ path::Path, pretty, }, + nameres::crate_def_map, test_db::TestDB, }; fn lower_path(path: ast::Path) -> (TestDB, ExpressionStore, Option<Path>) { let (db, file_id) = TestDB::with_single_file(""); let krate = db.fetch_test_crate(); - let mut ctx = ExprCollector::new(&db, db.crate_def_map(krate).root_module_id(), file_id.into()); + let mut ctx = + ExprCollector::new(&db, crate_def_map(&db, krate).root_module_id(), file_id.into()); let lowered_path = ctx.lower_path(path, &mut ExprCollector::impl_trait_allocator); let store = ctx.store.finish(); (db, store, lowered_path) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs index 431ea9eb1d4..a46711c67e8 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs @@ -324,11 +324,13 @@ mod tests { use test_fixture::WithFixture; use test_utils::{assert_eq_text, extract_offset}; - use crate::{FunctionId, ModuleDefId, db::DefDatabase, test_db::TestDB}; + use crate::{ + FunctionId, ModuleDefId, db::DefDatabase, nameres::crate_def_map, test_db::TestDB, + }; fn find_function(db: &TestDB, file_id: FileId) -> FunctionId { let krate = db.test_crate(); - let crate_def_map = db.crate_def_map(krate); + let crate_def_map = crate_def_map(db, krate); let module = crate_def_map.modules_for_file(db, file_id).next().unwrap(); let (_, def) = crate_def_map[module].scope.entries().next().unwrap(); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs index d6645dc1d1d..29e249b07a7 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs @@ -1,9 +1,10 @@ mod block; -use crate::{DefWithBodyId, ModuleDefId, hir::MatchArm, test_db::TestDB}; +use crate::{DefWithBodyId, ModuleDefId, hir::MatchArm, nameres::crate_def_map, test_db::TestDB}; use expect_test::{Expect, expect}; use la_arena::RawIdx; use test_fixture::WithFixture; +use triomphe::Arc; use super::super::*; @@ -11,7 +12,7 @@ fn lower(#[rust_analyzer::rust_fixture] ra_fixture: &str) -> (TestDB, Arc<Body>, let db = TestDB::with_files(ra_fixture); let krate = db.fetch_test_crate(); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(&db, krate); let mut fn_def = None; 'outer: for (_, module) in def_map.modules() { for decl in module.scope.declarations() { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body/block.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body/block.rs index da3b65d4203..5f7b510bba4 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body/block.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body/block.rs @@ -189,8 +189,8 @@ fn f() { } "#, expect![[r#" - BlockId(3801) in BlockRelativeModuleId { block: Some(BlockId(3800)), local_id: Idx::<ModuleData>(1) } - BlockId(3800) in BlockRelativeModuleId { block: None, local_id: Idx::<ModuleData>(0) } + BlockId(3c01) in BlockRelativeModuleId { block: Some(BlockId(3c00)), local_id: Idx::<ModuleData>(1) } + BlockId(3c00) in BlockRelativeModuleId { block: None, local_id: Idx::<ModuleData>(0) } crate scope "#]], ); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/signatures.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/signatures.rs index 80561d64708..efb558a7758 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/signatures.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/signatures.rs @@ -1,6 +1,7 @@ use crate::{ GenericDefId, ModuleDefId, expr_store::pretty::{print_function, print_struct}, + nameres::crate_def_map, test_db::TestDB, }; use expect_test::{Expect, expect}; @@ -12,7 +13,7 @@ fn lower_and_print(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: Expe let db = TestDB::with_files(ra_fixture); let krate = db.fetch_test_crate(); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(&db, krate); let mut defs = vec![]; for (_, module) in def_map.modules() { for decl in module.scope.declarations() { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs b/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs index 9d62d9ce652..bb75621c7e0 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs @@ -52,7 +52,7 @@ pub fn find_path( ignore_local_imports, is_std_item: item_module.krate().data(db).origin.is_lang(), from, - from_def_map: &from.def_map(db), + from_def_map: from.def_map(db), fuel: Cell::new(FIND_PATH_FUEL), }, item, @@ -691,7 +691,7 @@ mod tests { let (def_map, local_def_map) = module.local_def_map(&db); let resolved = def_map .resolve_path( - &local_def_map, + local_def_map, &db, module.local_id, &mod_path, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/hir/format_args.rs b/src/tools/rust-analyzer/crates/hir-def/src/hir/format_args.rs index f27a4062a63..271484da7b9 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/hir/format_args.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/hir/format_args.rs @@ -297,7 +297,8 @@ pub(crate) fn parse( unfinished_literal.clear(); } - let span = parser.arg_places.get(placeholder_index).and_then(|s| to_span(s.clone())); + let span = + parser.arg_places.get(placeholder_index).and_then(|s| to_span(s.clone())); placeholder_index += 1; let position_span = to_span(position_span); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/import_map.rs b/src/tools/rust-analyzer/crates/hir-def/src/import_map.rs index db571f045d7..a6138fb6821 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/import_map.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/import_map.rs @@ -16,7 +16,7 @@ use crate::{ AssocItemId, AttrDefId, Complete, FxIndexMap, ModuleDefId, ModuleId, TraitId, db::DefDatabase, item_scope::{ImportOrExternCrate, ItemInNs}, - nameres::DefMap, + nameres::{DefMap, crate_def_map}, visibility::Visibility, }; @@ -129,7 +129,7 @@ impl ImportMap { fn collect_import_map(db: &dyn DefDatabase, krate: Crate) -> ImportMapIndex { let _p = tracing::info_span!("collect_import_map").entered(); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(db, krate); let mut map = FxIndexMap::default(); // We look only into modules that are public(ly reexported), starting with the crate root. diff --git a/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs b/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs index 51a833b5f15..4ad44775ea1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs @@ -10,6 +10,7 @@ use triomphe::Arc; use crate::{ AdtId, AssocItemId, AttrDefId, Crate, EnumId, EnumVariantId, FunctionId, ImplId, ModuleDefId, StaticId, StructId, TraitId, TypeAliasId, UnionId, db::DefDatabase, expr_store::path::Path, + nameres::crate_def_map, }; #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] @@ -84,13 +85,13 @@ impl LangItemTarget { } /// Salsa query. This will look for lang items in a specific crate. -#[salsa_macros::tracked(return_ref)] +#[salsa_macros::tracked(returns(ref))] pub fn crate_lang_items(db: &dyn DefDatabase, krate: Crate) -> Option<Box<LangItems>> { let _p = tracing::info_span!("crate_lang_items_query").entered(); let mut lang_items = LangItems::default(); - let crate_def_map = db.crate_def_map(krate); + let crate_def_map = crate_def_map(db, krate); for (_, module_data) in crate_def_map.modules() { for impl_def in module_data.scope.impls() { @@ -209,7 +210,7 @@ pub(crate) fn crate_notable_traits(db: &dyn DefDatabase, krate: Crate) -> Option let mut traits = Vec::new(); - let crate_def_map = db.crate_def_map(krate); + let crate_def_map = crate_def_map(db, krate); for (_, module_data) in crate_def_map.modules() { for def in module_data.scope.declarations() { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/lib.rs b/src/tools/rust-analyzer/crates/hir-def/src/lib.rs index 28011bda7c5..b41ff026bca 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/lib.rs @@ -92,7 +92,7 @@ use crate::{ Const, Enum, ExternCrate, Function, Impl, ItemTreeId, ItemTreeNode, Macro2, MacroRules, Static, Struct, Trait, TraitAlias, TypeAlias, Union, Use, Variant, }, - nameres::LocalDefMap, + nameres::{LocalDefMap, block_def_map, crate_def_map, crate_local_def_map}, signatures::VariantFields, }; @@ -324,12 +324,13 @@ pub struct CrateRootModuleId { } impl CrateRootModuleId { - pub fn def_map(&self, db: &dyn DefDatabase) -> Arc<DefMap> { - db.crate_def_map(self.krate) + pub fn def_map(self, db: &dyn DefDatabase) -> &DefMap { + crate_def_map(db, self.krate) } - pub(crate) fn local_def_map(&self, db: &dyn DefDatabase) -> (Arc<DefMap>, Arc<LocalDefMap>) { - db.crate_local_def_map(self.krate) + pub(crate) fn local_def_map(self, db: &dyn DefDatabase) -> (&DefMap, &LocalDefMap) { + let def_map = crate_local_def_map(db, self.krate); + (def_map.def_map(db), def_map.local(db)) } pub fn krate(self) -> Crate { @@ -390,26 +391,29 @@ pub struct ModuleId { } impl ModuleId { - pub fn def_map(self, db: &dyn DefDatabase) -> Arc<DefMap> { + pub fn def_map(self, db: &dyn DefDatabase) -> &DefMap { match self.block { - Some(block) => db.block_def_map(block), - None => db.crate_def_map(self.krate), + Some(block) => block_def_map(db, block), + None => crate_def_map(db, self.krate), } } - pub(crate) fn local_def_map(self, db: &dyn DefDatabase) -> (Arc<DefMap>, Arc<LocalDefMap>) { + pub(crate) fn local_def_map(self, db: &dyn DefDatabase) -> (&DefMap, &LocalDefMap) { match self.block { - Some(block) => (db.block_def_map(block), self.only_local_def_map(db)), - None => db.crate_local_def_map(self.krate), + Some(block) => (block_def_map(db, block), self.only_local_def_map(db)), + None => { + let def_map = crate_local_def_map(db, self.krate); + (def_map.def_map(db), def_map.local(db)) + } } } - pub(crate) fn only_local_def_map(self, db: &dyn DefDatabase) -> Arc<LocalDefMap> { - db.crate_local_def_map(self.krate).1 + pub(crate) fn only_local_def_map(self, db: &dyn DefDatabase) -> &LocalDefMap { + crate_local_def_map(db, self.krate).local(db) } - pub fn crate_def_map(self, db: &dyn DefDatabase) -> Arc<DefMap> { - db.crate_def_map(self.krate) + pub fn crate_def_map(self, db: &dyn DefDatabase) -> &DefMap { + crate_def_map(db, self.krate) } pub fn krate(self) -> Crate { @@ -701,6 +705,16 @@ pub enum AssocItemId { // casting them, and somehow making the constructors private, which would be annoying. impl_from!(FunctionId, ConstId, TypeAliasId for AssocItemId); +impl From<AssocItemId> for ModuleDefId { + fn from(item: AssocItemId) -> Self { + match item { + AssocItemId::FunctionId(f) => f.into(), + AssocItemId::ConstId(c) => c.into(), + AssocItemId::TypeAliasId(t) => t.into(), + } + } +} + #[derive(Debug, PartialOrd, Ord, Clone, Copy, PartialEq, Eq, Hash, salsa_macros::Supertype)] pub enum GenericDefId { AdtId(AdtId), diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs index e21d1415aa2..293868df613 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs @@ -454,13 +454,13 @@ fn test_concat_expand() { #[rustc_builtin_macro] macro_rules! concat {} -fn main() { concat!("fo", "o", 0, r#""bar""#, "\n", false, '"', '\0'); } +fn main() { concat!("fo", "o", 0, r#""bar""#, "\n", false, '"', -4, - 4, '\0'); } "##, expect![[r##" #[rustc_builtin_macro] macro_rules! concat {} -fn main() { "foo0\"bar\"\nfalse\"\u{0}"; } +fn main() { "foo0\"bar\"\nfalse\"-4-4\u{0}"; } "##]], ); } @@ -510,24 +510,6 @@ fn main() { "s"; } } #[test] -fn test_concat_idents_expand() { - check( - r##" -#[rustc_builtin_macro] -macro_rules! concat_idents {} - -fn main() { concat_idents!(foo, bar); } -"##, - expect![[r##" -#[rustc_builtin_macro] -macro_rules! concat_idents {} - -fn main() { foobar; } -"##]], - ); -} - -#[test] fn test_quote_string() { check( r##" diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs index 800c96ebdae..dc4334ee081 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs @@ -39,7 +39,7 @@ use test_fixture::WithFixture; use crate::{ AdtId, Lookup, ModuleDefId, db::DefDatabase, - nameres::{DefMap, ModuleSource}, + nameres::{DefMap, ModuleSource, crate_def_map}, src::HasSource, test_db::TestDB, tt::TopSubtree, @@ -49,7 +49,7 @@ use crate::{ fn check_errors(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: Expect) { let db = TestDB::with_files(ra_fixture); let krate = db.fetch_test_crate(); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(&db, krate); let errors = def_map .modules() .flat_map(|module| module.1.scope.all_macro_calls()) @@ -113,7 +113,7 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream let (body, sm) = db.body_with_source_map(body); if let Some(it) = - body.blocks(db).find_map(|block| resolve(db, &block.1, ast_id, ast_ptr)) + body.blocks(db).find_map(|block| resolve(db, block.1, ast_id, ast_ptr)) { return Some(it); } @@ -127,7 +127,7 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream let db = TestDB::with_files_extra_proc_macros(ra_fixture, extra_proc_macros); let krate = db.fetch_test_crate(); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(&db, krate); let local_id = DefMap::ROOT; let source = def_map[local_id].definition_source(&db); let source_file = match source.value { @@ -142,7 +142,7 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream let ast_id = db.ast_id_map(source.file_id).ast_id(¯o_call_node); let ast_id = InFile::new(source.file_id, ast_id); let ptr = InFile::new(source.file_id, AstPtr::new(¯o_call_node)); - let macro_call_id = resolve(&db, &def_map, ast_id, ptr) + let macro_call_id = resolve(&db, def_map, ast_id, ptr) .unwrap_or_else(|| panic!("unable to find semantic macro call {macro_call_node}")); let expansion_result = db.parse_macro_expansion(macro_call_id); expansions.push((macro_call_node.clone(), expansion_result)); @@ -380,8 +380,4 @@ impl ProcMacroExpander for IdentityWhenValidProcMacroExpander { panic!("got invalid macro input: {:?}", parse.errors()); } } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs index fc66d8e28d8..f337f83156a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs @@ -112,6 +112,18 @@ pub struct LocalDefMap { extern_prelude: FxIndexMap<Name, (CrateRootModuleId, Option<ExternCrateId>)>, } +impl std::hash::Hash for LocalDefMap { + fn hash<H: std::hash::Hasher>(&self, state: &mut H) { + let LocalDefMap { extern_prelude } = self; + extern_prelude.len().hash(state); + for (name, (crate_root, extern_crate)) in extern_prelude { + name.hash(state); + crate_root.hash(state); + extern_crate.hash(state); + } + } +} + impl LocalDefMap { pub(crate) const EMPTY: &Self = &Self { extern_prelude: FxIndexMap::with_hasher(rustc_hash::FxBuildHasher) }; @@ -250,7 +262,7 @@ struct BlockRelativeModuleId { } impl BlockRelativeModuleId { - fn def_map(self, db: &dyn DefDatabase, krate: Crate) -> Arc<DefMap> { + fn def_map(self, db: &dyn DefDatabase, krate: Crate) -> &DefMap { self.into_module(krate).def_map(db) } @@ -358,6 +370,87 @@ pub struct ModuleData { pub scope: ItemScope, } +#[inline] +pub fn crate_def_map(db: &dyn DefDatabase, crate_id: Crate) -> &DefMap { + crate_local_def_map(db, crate_id).def_map(db) +} + +#[allow(unused_lifetimes)] +mod __ { + use super::*; + #[salsa_macros::tracked] + pub(crate) struct DefMapPair<'db> { + #[tracked] + #[returns(ref)] + pub(crate) def_map: DefMap, + #[returns(ref)] + pub(crate) local: LocalDefMap, + } +} +pub(crate) use __::DefMapPair; + +#[salsa_macros::tracked(returns(ref))] +pub(crate) fn crate_local_def_map(db: &dyn DefDatabase, crate_id: Crate) -> DefMapPair<'_> { + let krate = crate_id.data(db); + let _p = tracing::info_span!( + "crate_def_map_query", + name=?crate_id + .extra_data(db) + .display_name + .as_ref() + .map(|it| it.crate_name().to_smolstr()) + .unwrap_or_default() + ) + .entered(); + + let module_data = ModuleData::new( + ModuleOrigin::CrateRoot { definition: krate.root_file_id(db) }, + Visibility::Public, + ); + + let def_map = + DefMap::empty(crate_id, Arc::new(DefMapCrateData::new(krate.edition)), module_data, None); + let (def_map, local_def_map) = collector::collect_defs( + db, + def_map, + TreeId::new(krate.root_file_id(db).into(), None), + None, + ); + + DefMapPair::new(db, def_map, local_def_map) +} + +#[salsa_macros::tracked(returns(ref))] +pub fn block_def_map(db: &dyn DefDatabase, block_id: BlockId) -> DefMap { + let BlockLoc { ast_id, module } = block_id.lookup(db); + + let visibility = Visibility::Module( + ModuleId { krate: module.krate, local_id: DefMap::ROOT, block: module.block }, + VisibilityExplicitness::Implicit, + ); + let module_data = + ModuleData::new(ModuleOrigin::BlockExpr { block: ast_id, id: block_id }, visibility); + + let local_def_map = crate_local_def_map(db, module.krate); + let def_map = DefMap::empty( + module.krate, + local_def_map.def_map(db).data.clone(), + module_data, + Some(BlockInfo { + block: block_id, + parent: BlockRelativeModuleId { block: module.block, local_id: module.local_id }, + }), + ); + + let (def_map, _) = collector::collect_defs( + db, + def_map, + TreeId::new(ast_id.file_id, Some(block_id)), + Some(local_def_map.local(db)), + ); + def_map +} + impl DefMap { /// The module id of a crate or block root. pub const ROOT: LocalModuleId = LocalModuleId::from_raw(la_arena::RawIdx::from_u32(0)); @@ -366,77 +459,6 @@ impl DefMap { self.data.edition } - pub(crate) fn crate_def_map_query(db: &dyn DefDatabase, crate_id: Crate) -> Arc<DefMap> { - db.crate_local_def_map(crate_id).0 - } - - pub(crate) fn crate_local_def_map_query( - db: &dyn DefDatabase, - crate_id: Crate, - ) -> (Arc<DefMap>, Arc<LocalDefMap>) { - let krate = crate_id.data(db); - let _p = tracing::info_span!( - "crate_def_map_query", - name=?crate_id - .extra_data(db) - .display_name - .as_ref() - .map(|it| it.crate_name().to_smolstr()) - .unwrap_or_default() - ) - .entered(); - - let module_data = ModuleData::new( - ModuleOrigin::CrateRoot { definition: krate.root_file_id(db) }, - Visibility::Public, - ); - - let def_map = DefMap::empty( - crate_id, - Arc::new(DefMapCrateData::new(krate.edition)), - module_data, - None, - ); - let (def_map, local_def_map) = collector::collect_defs( - db, - def_map, - TreeId::new(krate.root_file_id(db).into(), None), - None, - ); - - (Arc::new(def_map), Arc::new(local_def_map)) - } - - pub(crate) fn block_def_map_query(db: &dyn DefDatabase, block_id: BlockId) -> Arc<DefMap> { - let BlockLoc { ast_id, module } = block_id.lookup(db); - - let visibility = Visibility::Module( - ModuleId { krate: module.krate, local_id: Self::ROOT, block: module.block }, - VisibilityExplicitness::Implicit, - ); - let module_data = - ModuleData::new(ModuleOrigin::BlockExpr { block: ast_id, id: block_id }, visibility); - - let (crate_map, crate_local_map) = db.crate_local_def_map(module.krate); - let def_map = DefMap::empty( - module.krate, - crate_map.data.clone(), - module_data, - Some(BlockInfo { - block: block_id, - parent: BlockRelativeModuleId { block: module.block, local_id: module.local_id }, - }), - ); - - let (def_map, _) = collector::collect_defs( - db, - def_map, - TreeId::new(ast_id.file_id, Some(block_id)), - Some(crate_local_map), - ); - Arc::new(def_map) - } - fn empty( krate: Crate, crate_data: Arc<DefMapCrateData>, @@ -595,7 +617,7 @@ impl DefMap { go(&mut buf, db, current_map, "block scope", Self::ROOT); buf.push('\n'); arc = block.parent.def_map(db, self.krate); - current_map = &arc; + current_map = arc; } go(&mut buf, db, current_map, "crate", Self::ROOT); return buf; @@ -628,7 +650,7 @@ impl DefMap { while let Some(block) = current_map.block { format_to!(buf, "{:?} in {:?}\n", block.block, block.parent); arc = block.parent.def_map(db, self.krate); - current_map = &arc; + current_map = arc; } format_to!(buf, "crate scope\n"); @@ -708,7 +730,7 @@ impl DefMap { let mut block = self.block; while let Some(block_info) = block { let parent = block_info.parent.def_map(db, self.krate); - if let Some(it) = f(&parent, block_info.parent.local_id) { + if let Some(it) = f(parent, block_info.parent.local_id) { return Some(it); } block = parent.block; diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs index 448b908936a..86225d33b4e 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/assoc.rs @@ -66,7 +66,16 @@ impl TraitItems { }) } - pub fn attribute_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ { + pub fn assoc_item_by_name(&self, name: &Name) -> Option<AssocItemId> { + self.items.iter().find_map(|&(ref item_name, item)| match item { + AssocItemId::FunctionId(_) if item_name == name => Some(item), + AssocItemId::TypeAliasId(_) if item_name == name => Some(item), + AssocItemId::ConstId(_) if item_name == name => Some(item), + _ => None, + }) + } + + pub fn macro_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ { self.macro_calls.iter().flat_map(|it| it.iter()).copied() } } @@ -100,7 +109,7 @@ impl ImplItems { (Arc::new(ImplItems { items, macro_calls }), DefDiagnostics::new(diagnostics)) } - pub fn attribute_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ { + pub fn macro_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ { self.macro_calls.iter().flat_map(|it| it.iter()).copied() } } @@ -108,8 +117,8 @@ impl ImplItems { struct AssocItemCollector<'a> { db: &'a dyn DefDatabase, module_id: ModuleId, - def_map: Arc<DefMap>, - local_def_map: Arc<LocalDefMap>, + def_map: &'a DefMap, + local_def_map: &'a LocalDefMap, diagnostics: Vec<DefDiagnostic>, container: ItemContainerId, @@ -174,7 +183,7 @@ impl<'a> AssocItemCollector<'a> { let ast_id_with_path = AstIdWithPath { path: attr.path.clone(), ast_id }; match self.def_map.resolve_attr_macro( - &self.local_def_map, + self.local_def_map, self.db, self.module_id.local_id, ast_id_with_path, @@ -246,7 +255,7 @@ impl<'a> AssocItemCollector<'a> { let resolver = |path: &_| { self.def_map .resolve_path( - &self.local_def_map, + self.local_def_map, self.db, self.module_id.local_id, path, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs index 8df0f092cd0..350c97c3982 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs @@ -26,7 +26,7 @@ use syntax::ast; use triomphe::Arc; use crate::{ - AdtId, AstId, AstIdWithPath, ConstLoc, CrateRootModuleId, EnumLoc, ExternBlockLoc, + AdtId, AssocItemId, AstId, AstIdWithPath, ConstLoc, CrateRootModuleId, EnumLoc, ExternBlockLoc, ExternCrateId, ExternCrateLoc, FunctionId, FunctionLoc, ImplLoc, Intern, ItemContainerId, LocalModuleId, Lookup, Macro2Id, Macro2Loc, MacroExpander, MacroId, MacroRulesId, MacroRulesLoc, MacroRulesLocFlags, ModuleDefId, ModuleId, ProcMacroId, ProcMacroLoc, StaticLoc, @@ -43,9 +43,10 @@ use crate::{ nameres::{ BuiltinShadowMode, DefMap, LocalDefMap, MacroSubNs, ModuleData, ModuleOrigin, ResolveMode, attr_resolution::{attr_macro_as_call_id, derive_macro_as_call_id}, + crate_def_map, diagnostics::DefDiagnostic, mod_resolution::ModDir, - path_resolution::ReachedFixedPoint, + path_resolution::{ReachedFixedPoint, ResolvePathResult}, proc_macro::{ProcMacroDef, ProcMacroKind, parse_macro_name_and_helper_attrs}, sub_namespace_match, }, @@ -61,7 +62,7 @@ pub(super) fn collect_defs( db: &dyn DefDatabase, def_map: DefMap, tree_id: TreeId, - crate_local_def_map: Option<Arc<LocalDefMap>>, + crate_local_def_map: Option<&LocalDefMap>, ) -> (DefMap, LocalDefMap) { let krate = &def_map.krate.data(db); let cfg_options = def_map.krate.cfg_options(db); @@ -216,7 +217,7 @@ struct DefCollector<'a> { def_map: DefMap, local_def_map: LocalDefMap, /// Set only in case of blocks. - crate_local_def_map: Option<Arc<LocalDefMap>>, + crate_local_def_map: Option<&'a LocalDefMap>, // The dependencies of the current crate, including optional deps like `test`. deps: FxHashMap<Name, BuiltDependency>, glob_imports: FxHashMap<LocalModuleId, Vec<(LocalModuleId, Visibility, GlobId)>>, @@ -533,7 +534,7 @@ impl DefCollector<'_> { ); let (per_ns, _) = self.def_map.resolve_path( - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map), + self.crate_local_def_map.unwrap_or(&self.local_def_map), self.db, DefMap::ROOT, &path, @@ -556,7 +557,7 @@ impl DefCollector<'_> { } fn local_def_map(&mut self) -> &LocalDefMap { - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map) + self.crate_local_def_map.unwrap_or(&self.local_def_map) } /// Adds a definition of procedural macro `name` to the root module. @@ -688,7 +689,7 @@ impl DefCollector<'_> { let vis = self .def_map .resolve_visibility( - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map), + self.crate_local_def_map.unwrap_or(&self.local_def_map), self.db, module_id, vis, @@ -731,7 +732,7 @@ impl DefCollector<'_> { names: Option<Vec<Name>>, extern_crate: Option<ExternCrateId>, ) { - let def_map = self.db.crate_def_map(krate); + let def_map = crate_def_map(self.db, krate); // `#[macro_use]` brings macros into macro_use prelude. Yes, even non-`macro_rules!` // macros. let root_scope = &def_map[DefMap::ROOT].scope; @@ -811,32 +812,35 @@ impl DefCollector<'_> { let _p = tracing::info_span!("resolve_import", import_path = %import.path.display(self.db, Edition::LATEST)) .entered(); tracing::debug!("resolving import: {:?} ({:?})", import, self.def_map.data.edition); - let res = self.def_map.resolve_path_fp_with_macro( - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map), - self.db, - ResolveMode::Import, - module_id, - &import.path, - BuiltinShadowMode::Module, - None, // An import may resolve to any kind of macro. - ); + let ResolvePathResult { resolved_def, segment_index, reached_fixedpoint, prefix_info } = + self.def_map.resolve_path_fp_with_macro( + self.crate_local_def_map.unwrap_or(&self.local_def_map), + self.db, + ResolveMode::Import, + module_id, + &import.path, + BuiltinShadowMode::Module, + None, // An import may resolve to any kind of macro. + ); - let def = res.resolved_def; - if res.reached_fixedpoint == ReachedFixedPoint::No || def.is_none() { + if reached_fixedpoint == ReachedFixedPoint::No + || resolved_def.is_none() + || segment_index.is_some() + { return PartialResolvedImport::Unresolved; } - if res.prefix_info.differing_crate { + if prefix_info.differing_crate { return PartialResolvedImport::Resolved( - def.filter_visibility(|v| matches!(v, Visibility::Public)), + resolved_def.filter_visibility(|v| matches!(v, Visibility::Public)), ); } // Check whether all namespaces are resolved. - if def.is_full() { - PartialResolvedImport::Resolved(def) + if resolved_def.is_full() { + PartialResolvedImport::Resolved(resolved_def) } else { - PartialResolvedImport::Indeterminate(def) + PartialResolvedImport::Indeterminate(resolved_def) } } @@ -849,7 +853,7 @@ impl DefCollector<'_> { let vis = self .def_map .resolve_visibility( - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map), + self.crate_local_def_map.unwrap_or(&self.local_def_map), self.db, module_id, &directive.import.visibility, @@ -986,6 +990,43 @@ impl DefCollector<'_> { Some(ImportOrExternCrate::Glob(glob)), ); } + Some(ModuleDefId::TraitId(it)) => { + // FIXME: Implement this correctly + // We can't actually call `trait_items`, the reason being that if macro calls + // occur, they will call back into the def map which we might be computing right + // now resulting in a cycle. + // To properly implement this, trait item collection needs to be done in def map + // collection... + let resolutions = if true { + vec![] + } else { + self.db + .trait_items(it) + .items + .iter() + .map(|&(ref name, variant)| { + let res = match variant { + AssocItemId::FunctionId(it) => { + PerNs::values(it.into(), vis, None) + } + AssocItemId::ConstId(it) => { + PerNs::values(it.into(), vis, None) + } + AssocItemId::TypeAliasId(it) => { + PerNs::types(it.into(), vis, None) + } + }; + (Some(name.clone()), res) + }) + .collect::<Vec<_>>() + }; + self.update( + module_id, + &resolutions, + vis, + Some(ImportOrExternCrate::Glob(glob)), + ); + } Some(d) => { tracing::debug!("glob import {:?} from non-module/enum {:?}", import, d); } @@ -1240,7 +1281,7 @@ impl DefCollector<'_> { }; let resolver = |path: &_| { let resolved_res = self.def_map.resolve_path_fp_with_macro( - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map), + self.crate_local_def_map.unwrap_or(&self.local_def_map), self.db, ResolveMode::Other, directive.module_id, @@ -1307,7 +1348,7 @@ impl DefCollector<'_> { ); // Record its helper attributes. if def_id.krate != self.def_map.krate { - let def_map = self.db.crate_def_map(def_id.krate); + let def_map = crate_def_map(self.db, def_id.krate); if let Some(helpers) = def_map.data.exported_derives.get(&def_id) { self.def_map .derive_helpers_in_scope @@ -1553,7 +1594,7 @@ impl DefCollector<'_> { self.def_map.krate, |path| { let resolved_res = self.def_map.resolve_path_fp_with_macro( - self.crate_local_def_map.as_deref().unwrap_or(&self.local_def_map), + self.crate_local_def_map.unwrap_or(&self.local_def_map), self.db, ResolveMode::Other, directive.module_id, @@ -1702,11 +1743,8 @@ impl ModCollector<'_, '_> { let module = self.def_collector.def_map.module_id(module_id); let def_map = &mut self.def_collector.def_map; - let local_def_map = self - .def_collector - .crate_local_def_map - .as_deref() - .unwrap_or(&self.def_collector.local_def_map); + let local_def_map = + self.def_collector.crate_local_def_map.unwrap_or(&self.def_collector.local_def_map); match item { ModItem::Mod(m) => self.collect_module(m, &attrs), @@ -2133,10 +2171,7 @@ impl ModCollector<'_, '_> { let def_map = &mut self.def_collector.def_map; let vis = def_map .resolve_visibility( - self.def_collector - .crate_local_def_map - .as_deref() - .unwrap_or(&self.def_collector.local_def_map), + self.def_collector.crate_local_def_map.unwrap_or(&self.def_collector.local_def_map), self.def_collector.db, self.module_id, visibility, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/path_resolution.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/path_resolution.rs index a49155d878c..74ce33a6419 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/path_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/path_resolution.rs @@ -17,14 +17,17 @@ use hir_expand::{ name::Name, }; use span::Edition; -use triomphe::Arc; +use stdx::TupleExt; use crate::{ AdtId, LocalModuleId, ModuleDefId, db::DefDatabase, item_scope::{BUILTIN_SCOPE, ImportOrExternCrate}, item_tree::FieldsShape, - nameres::{BlockInfo, BuiltinShadowMode, DefMap, LocalDefMap, MacroSubNs, sub_namespace_match}, + nameres::{ + BlockInfo, BuiltinShadowMode, DefMap, LocalDefMap, MacroSubNs, crate_def_map, + sub_namespace_match, + }, per_ns::PerNs, visibility::{RawVisibility, Visibility}, }; @@ -44,6 +47,7 @@ pub(super) enum ReachedFixedPoint { #[derive(Debug, Clone)] pub(super) struct ResolvePathResult { pub(super) resolved_def: PerNs, + /// The index of the last resolved segment, or `None` if the full path has been resolved. pub(super) segment_index: Option<usize>, pub(super) reached_fixedpoint: ReachedFixedPoint, pub(super) prefix_info: ResolvePathResultPrefixInfo, @@ -173,7 +177,6 @@ impl DefMap { return result; } - let mut arc; let mut current_map = self; let mut merge = |new: ResolvePathResult| { @@ -195,8 +198,7 @@ impl DefMap { Some(block) if original_module == Self::ROOT => { // Block modules "inherit" names from its parent module. original_module = block.parent.local_id; - arc = block.parent.def_map(db, current_map.krate); - current_map = &arc; + current_map = block.parent.def_map(db, current_map.krate); } // Proper (non-block) modules, including those in block `DefMap`s, don't. _ => { @@ -204,8 +206,7 @@ impl DefMap { // A module inside a block. Do not resolve items declared in upper blocks, but we do need to get // the prelude items (which are not inserted into blocks because they can be overridden there). original_module = Self::ROOT; - arc = db.crate_def_map(self.krate); - current_map = &arc; + current_map = crate_def_map(db, self.krate); let new = current_map.resolve_path_fp_in_all_preludes( local_def_map, @@ -253,7 +254,7 @@ impl DefMap { cov_mark::hit!(macro_dollar_crate_self); PerNs::types(self.crate_root().into(), Visibility::Public, None) } else { - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(db, krate); let module = def_map.module_id(Self::ROOT); cov_mark::hit!(macro_dollar_crate_other); PerNs::types(module.into(), Visibility::Public, None) @@ -312,7 +313,7 @@ impl DefMap { // Adjust `local_id` to `self`, i.e. the nearest non-block module. if def_map.module_id(local_id).is_block_module() { (ext, local_id) = adjust_to_nearest_non_block_module(db, def_map, local_id); - def_map = &ext; + def_map = ext; } // Go up the module tree but skip block modules as `super` always refers to the @@ -325,7 +326,7 @@ impl DefMap { if def_map.module_id(local_id).is_block_module() { (ext, local_id) = adjust_to_nearest_non_block_module(db, def_map, local_id); - def_map = &ext; + def_map = ext; } } else { stdx::always!(def_map.block.is_none()); @@ -364,7 +365,15 @@ impl DefMap { }, }; - self.resolve_remaining_segments(segments, curr_per_ns, path, db, shadow, original_module) + self.resolve_remaining_segments( + db, + mode, + segments, + curr_per_ns, + path, + shadow, + original_module, + ) } /// Resolves a path only in the preludes, without accounting for item scopes. @@ -413,7 +422,15 @@ impl DefMap { } }; - self.resolve_remaining_segments(segments, curr_per_ns, path, db, shadow, original_module) + self.resolve_remaining_segments( + db, + mode, + segments, + curr_per_ns, + path, + shadow, + original_module, + ) } /// 2018-style absolute path -- only extern prelude @@ -441,10 +458,11 @@ impl DefMap { fn resolve_remaining_segments<'a>( &self, + db: &dyn DefDatabase, + mode: ResolveMode, mut segments: impl Iterator<Item = (usize, &'a Name)>, mut curr_per_ns: PerNs, path: &ModPath, - db: &dyn DefDatabase, shadow: BuiltinShadowMode, original_module: LocalModuleId, ) -> ResolvePathResult { @@ -465,6 +483,7 @@ impl DefMap { curr_per_ns = match curr.def { ModuleDefId::ModuleId(module) => { if module.krate != self.krate { + // FIXME: Inefficient let path = ModPath::from_segments( PathKind::SELF, path.segments()[i..].iter().cloned(), @@ -478,7 +497,7 @@ impl DefMap { let resolution = defp_map.resolve_path_fp_with_macro( LocalDefMap::EMPTY, db, - ResolveMode::Other, + mode, module.local_id, &path, shadow, @@ -553,6 +572,44 @@ impl DefMap { ), }; } + def @ ModuleDefId::TraitId(t) if mode == ResolveMode::Import => { + // FIXME: Implement this correctly + // We can't actually call `trait_items`, the reason being that if macro calls + // occur, they will call back into the def map which we might be computing right + // now resulting in a cycle. + // To properly implement this, trait item collection needs to be done in def map + // collection... + let item = + if true { None } else { db.trait_items(t).assoc_item_by_name(segment) }; + return match item { + Some(item) => ResolvePathResult::new( + match item { + crate::AssocItemId::FunctionId(function_id) => PerNs::values( + function_id.into(), + curr.vis, + curr.import.and_then(|it| it.import_or_glob()), + ), + crate::AssocItemId::ConstId(const_id) => PerNs::values( + const_id.into(), + curr.vis, + curr.import.and_then(|it| it.import_or_glob()), + ), + crate::AssocItemId::TypeAliasId(type_alias_id) => { + PerNs::types(type_alias_id.into(), curr.vis, curr.import) + } + }, + ReachedFixedPoint::Yes, + segments.next().map(TupleExt::head), + ResolvePathResultPrefixInfo::default(), + ), + None => ResolvePathResult::new( + PerNs::types(def, curr.vis, curr.import), + ReachedFixedPoint::Yes, + Some(i), + ResolvePathResultPrefixInfo::default(), + ), + }; + } s => { // could be an inherent method call in UFCS form // (`Struct::method`), or some other kind of associated item @@ -715,7 +772,7 @@ impl DefMap { } else { // Extend lifetime keep = prelude.def_map(db); - &keep + keep }; def_map[prelude.local_id].scope.get(name) } else { @@ -725,25 +782,23 @@ impl DefMap { } /// Given a block module, returns its nearest non-block module and the `DefMap` it belongs to. -fn adjust_to_nearest_non_block_module( - db: &dyn DefDatabase, - def_map: &DefMap, +fn adjust_to_nearest_non_block_module<'db>( + db: &'db dyn DefDatabase, + def_map: &'db DefMap, mut local_id: LocalModuleId, -) -> (Arc<DefMap>, LocalModuleId) { +) -> (&'db DefMap, LocalModuleId) { // INVARIANT: `local_id` in `def_map` must be a block module. stdx::always!(def_map.module_id(local_id).is_block_module()); - let mut ext; // This needs to be a local variable due to our mighty lifetime. let mut def_map = def_map; loop { let BlockInfo { parent, .. } = def_map.block.expect("block module without parent module"); - ext = parent.def_map(db, def_map.krate); - def_map = &ext; + def_map = parent.def_map(db, def_map.krate); local_id = parent.local_id; if !parent.is_block_module() { - return (ext, local_id); + return (def_map, local_id); } } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs index 3fd095a9a98..4a7974c4fa1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs @@ -7,20 +7,25 @@ mod primitives; use base_db::RootQueryDb; use expect_test::{Expect, expect}; use test_fixture::WithFixture; -use triomphe::Arc; -use crate::{db::DefDatabase, nameres::DefMap, test_db::TestDB}; +use crate::{ + nameres::{DefMap, crate_def_map}, + test_db::TestDB, +}; -fn compute_crate_def_map(#[rust_analyzer::rust_fixture] ra_fixture: &str) -> Arc<DefMap> { +fn compute_crate_def_map( + #[rust_analyzer::rust_fixture] ra_fixture: &str, + cb: impl FnOnce(&DefMap), +) { let db = TestDB::with_files(ra_fixture); let krate = db.fetch_test_crate(); - db.crate_def_map(krate) + cb(crate_def_map(&db, krate)); } fn render_crate_def_map(#[rust_analyzer::rust_fixture] ra_fixture: &str) -> String { let db = TestDB::with_files(ra_fixture); let krate = db.fetch_test_crate(); - db.crate_def_map(krate).dump(&db) + crate_def_map(&db, krate).dump(&db) } fn check(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: Expect) { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs index 179a9c8fec2..948e8bed66d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/incremental.rs @@ -7,24 +7,37 @@ use span::Edition; use test_fixture::WithFixture; use triomphe::Arc; -use crate::{AdtId, ModuleDefId, db::DefDatabase, nameres::tests::TestDB}; +use crate::{ + AdtId, ModuleDefId, + db::DefDatabase, + nameres::{crate_def_map, tests::TestDB}, +}; -fn check_def_map_is_not_recomputed(ra_fixture_initial: &str, ra_fixture_change: &str) { +fn check_def_map_is_not_recomputed( + #[rust_analyzer::rust_fixture] ra_fixture_initial: &str, + #[rust_analyzer::rust_fixture] ra_fixture_change: &str, +) { let (mut db, pos) = TestDB::with_position(ra_fixture_initial); let krate = db.fetch_test_crate(); { let events = db.log_executed(|| { - db.crate_def_map(krate); + crate_def_map(&db, krate); }); - assert!(format!("{events:?}").contains("crate_def_map"), "{events:#?}") + assert!( + format!("{events:?}").contains("crate_local_def_map"), + "no crate def map computed:\n{events:#?}", + ) } db.set_file_text(pos.file_id.file_id(&db), ra_fixture_change); { let events = db.log_executed(|| { - db.crate_def_map(krate); + crate_def_map(&db, krate); }); - assert!(!format!("{events:?}").contains("crate_def_map"), "{events:#?}") + assert!( + !format!("{events:?}").contains("crate_local_def_map"), + "crate def map invalidated:\n{events:#?}", + ) } } @@ -44,7 +57,7 @@ pub const BAZ: u32 = 0; ); for &krate in db.all_crates().iter() { - db.crate_def_map(krate); + crate_def_map(&db, krate); } let all_crates_before = db.all_crates(); @@ -94,11 +107,11 @@ pub const BAZ: u32 = 0; let events = db.log_executed(|| { for &krate in db.all_crates().iter() { - db.crate_def_map(krate); + crate_def_map(&db, krate); } }); let invalidated_def_maps = - events.iter().filter(|event| event.contains("crate_def_map")).count(); + events.iter().filter(|event| event.contains("crate_local_def_map")).count(); assert_eq!(invalidated_def_maps, 1, "{events:#?}") } @@ -330,7 +343,7 @@ m!(Z); let krate = db.test_crate(); { let events = db.log_executed(|| { - let crate_def_map = db.crate_def_map(krate); + let crate_def_map = crate_def_map(&db, krate); let (_, module_data) = crate_def_map.modules.iter().last().unwrap(); assert_eq!(module_data.scope.resolutions().count(), 4); }); @@ -352,7 +365,7 @@ m!(Z); { let events = db.log_executed(|| { - let crate_def_map = db.crate_def_map(krate); + let crate_def_map = crate_def_map(&db, krate); let (_, module_data) = crate_def_map.modules.iter().last().unwrap(); assert_eq!(module_data.scope.resolutions().count(), 4); }); @@ -403,7 +416,7 @@ pub type Ty = (); { let events = db.log_executed(|| { - let crate_def_map = db.crate_def_map(krate); + let crate_def_map = crate_def_map(&db, krate); let (_, module_data) = crate_def_map.modules.iter().last().unwrap(); assert_eq!(module_data.scope.resolutions().count(), 8); assert_eq!(module_data.scope.impls().count(), 1); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs index 5f8a01523d8..3cba88ec2f1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs @@ -736,7 +736,7 @@ pub struct bar; #[test] fn macro_dollar_crate_is_correct_in_derive_meta() { - let map = compute_crate_def_map( + compute_crate_def_map( r#" //- minicore: derive, clone //- /main.rs crate:main deps:lib @@ -753,13 +753,13 @@ macro_rules! foo { pub use core::clone::Clone; "#, + |map| assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 1), ); - assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 1); } #[test] fn expand_derive() { - let map = compute_crate_def_map( + compute_crate_def_map( r#" //- /main.rs crate:main deps:core use core::Copy; @@ -775,8 +775,8 @@ pub macro Copy {} #[rustc_builtin_macro] pub macro Clone {} "#, + |map| assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 2), ); - assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 2); } #[test] @@ -803,7 +803,7 @@ pub trait Clone {} fn builtin_derive_with_unresolved_attributes_fall_back() { // Tests that we still resolve derives after ignoring an unresolved attribute. cov_mark::check!(unresolved_attribute_fallback); - let map = compute_crate_def_map( + compute_crate_def_map( r#" //- /main.rs crate:main deps:core use core::{Clone, derive}; @@ -818,8 +818,8 @@ pub macro derive($item:item) {} #[rustc_builtin_macro] pub macro Clone {} "#, + |map| assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 1), ); - assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 1); } #[test] @@ -1096,7 +1096,7 @@ pub fn derive_macro_2(_item: TokenStream) -> TokenStream { "#, ); let krate = *db.all_crates().last().expect("no crate graph present"); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(&db, krate); assert_eq!(def_map.data.exported_derives.len(), 1); match def_map.data.exported_derives.values().next() { @@ -1446,7 +1446,7 @@ fn proc_attr(a: TokenStream, b: TokenStream) -> TokenStream { a } "#, ); let krate = *db.all_crates().last().expect("no crate graph present"); - let def_map = db.crate_def_map(krate); + let def_map = crate_def_map(&db, krate); let root_module = &def_map[DefMap::ROOT].scope; assert!( @@ -1544,7 +1544,7 @@ macro_rules! mk_foo { #[test] fn macro_sub_namespace() { - let map = compute_crate_def_map( + compute_crate_def_map( r#" //- minicore: derive, clone macro_rules! Clone { () => {} } @@ -1553,8 +1553,8 @@ macro_rules! derive { () => {} } #[derive(Clone)] struct S; "#, + |map| assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 1), ); - assert_eq!(map.modules[DefMap::ROOT].scope.impls().len(), 1); } #[test] diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/mod_resolution.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/mod_resolution.rs index 071b55c83d8..9c97e42f4fd 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/mod_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/mod_resolution.rs @@ -839,6 +839,7 @@ mod foo; #[path = "./foo.rs"] mod foo; "#, + |_| (), ); compute_crate_def_map( @@ -852,6 +853,7 @@ mod bar; #[path = "./foo.rs"] mod foo; "#, + |_| (), ); } @@ -894,3 +896,149 @@ struct AlsoShouldNotAppear; "#]], ) } + +#[test] +fn invalid_imports() { + check( + r#" +//- /main.rs +mod module; + +use self::module::S::new; +use self::module::unresolved; +use self::module::C::const_based; +use self::module::Enum::Variant::NoAssoc; + +//- /module.rs +pub struct S; +impl S { + pub fn new() {} +} +pub const C: () = (); +pub enum Enum { + Variant, +} + "#, + expect![[r#" + crate + NoAssoc: _ + const_based: _ + module: t + new: _ + unresolved: _ + + crate::module + C: v + Enum: t + S: t v + "#]], + ); +} + +#[test] +fn trait_item_imports_same_crate() { + check( + r#" +//- /main.rs +mod module; + +use self::module::Trait::{AssocType, ASSOC_CONST, MACRO_CONST, method}; + +//- /module.rs +macro_rules! m { + ($name:ident) => { const $name: () = (); }; +} +pub trait Trait { + type AssocType; + const ASSOC_CONST: (); + fn method(&self); + m!(MACRO_CONST); +} + "#, + expect![[r#" + crate + ASSOC_CONST: _ + AssocType: _ + MACRO_CONST: _ + method: _ + module: t + + crate::module + Trait: t + "#]], + ); + check( + r#" +//- /main.rs +mod module; + +use self::module::Trait::*; + +//- /module.rs +macro_rules! m { + ($name:ident) => { const $name: () = (); }; +} +pub trait Trait { + type AssocType; + const ASSOC_CONST: (); + fn method(&self); + m!(MACRO_CONST); +} + "#, + expect![[r#" + crate + module: t + + crate::module + Trait: t + "#]], + ); +} + +#[test] +fn trait_item_imports_differing_crate() { + check( + r#" +//- /main.rs deps:lib crate:main +use lib::Trait::{AssocType, ASSOC_CONST, MACRO_CONST, method}; + +//- /lib.rs crate:lib +macro_rules! m { + ($name:ident) => { const $name: () = (); }; +} +pub trait Trait { + type AssocType; + const ASSOC_CONST: (); + fn method(&self); + m!(MACRO_CONST); +} + "#, + expect![[r#" + crate + ASSOC_CONST: _ + AssocType: _ + MACRO_CONST: _ + method: _ + "#]], + ); + check( + r#" +//- /main.rs deps:lib crate:main +use lib::Trait::*; + +//- /lib.rs crate:lib +macro_rules! m { + ($name:ident) => { const $name: () = (); }; +} +pub trait Trait { + type AssocType; + const ASSOC_CONST: (); + fn method(&self); + m!(MACRO_CONST); +} + "#, + expect![[r#" + crate + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs index 8a8d17018c1..16988ddf04b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs @@ -34,30 +34,30 @@ use crate::{ item_scope::{BUILTIN_SCOPE, BuiltinShadowMode, ImportOrExternCrate, ImportOrGlob, ItemScope}, item_tree::ImportAlias, lang_item::LangItemTarget, - nameres::{DefMap, LocalDefMap, MacroSubNs, ResolvePathResultPrefixInfo}, + nameres::{DefMap, LocalDefMap, MacroSubNs, ResolvePathResultPrefixInfo, block_def_map}, per_ns::PerNs, type_ref::LifetimeRef, visibility::{RawVisibility, Visibility}, }; #[derive(Debug, Clone)] -pub struct Resolver { +pub struct Resolver<'db> { /// The stack of scopes, where the inner-most scope is the last item. /// /// When using, you generally want to process the scopes in reverse order, /// there's `scopes` *method* for that. - scopes: Vec<Scope>, - module_scope: ModuleItemMap, + scopes: Vec<Scope<'db>>, + module_scope: ModuleItemMap<'db>, } #[derive(Clone)] -struct ModuleItemMap { - def_map: Arc<DefMap>, - local_def_map: Arc<LocalDefMap>, +struct ModuleItemMap<'db> { + def_map: &'db DefMap, + local_def_map: &'db LocalDefMap, module_id: LocalModuleId, } -impl fmt::Debug for ModuleItemMap { +impl fmt::Debug for ModuleItemMap<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("ModuleItemMap").field("module_id", &self.module_id).finish() } @@ -80,9 +80,9 @@ impl fmt::Debug for ExprScope { } #[derive(Debug, Clone)] -enum Scope { +enum Scope<'db> { /// All the items and imported names of a module - BlockScope(ModuleItemMap), + BlockScope(ModuleItemMap<'db>), /// Brings the generic parameters of an item into scope as well as the `Self` type alias / /// generic for ADTs and impls. GenericParams { def: GenericDefId, params: Arc<GenericParams> }, @@ -133,7 +133,7 @@ pub enum LifetimeNs { LifetimeParam(LifetimeParamId), } -impl Resolver { +impl<'db> Resolver<'db> { /// Resolve known trait from std, like `std::futures::Future` pub fn resolve_known_trait(&self, db: &dyn DefDatabase, path: &ModPath) -> Option<TraitId> { let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?; @@ -580,7 +580,7 @@ impl Resolver { for scope in self.scopes() { scope.process_names(&mut res, db); } - let ModuleItemMap { ref def_map, module_id, ref local_def_map } = self.module_scope; + let ModuleItemMap { def_map, module_id, local_def_map } = self.module_scope; // FIXME: should we provide `self` here? // f( // Name::self_param(), @@ -842,14 +842,14 @@ impl Resolver { #[must_use] pub fn update_to_inner_scope( &mut self, - db: &dyn DefDatabase, + db: &'db dyn DefDatabase, owner: DefWithBodyId, expr_id: ExprId, ) -> UpdateGuard { #[inline(always)] - fn append_expr_scope( - db: &dyn DefDatabase, - resolver: &mut Resolver, + fn append_expr_scope<'db>( + db: &'db dyn DefDatabase, + resolver: &mut Resolver<'db>, owner: DefWithBodyId, expr_scopes: &Arc<ExprScopes>, scope_id: ScopeId, @@ -863,7 +863,7 @@ impl Resolver { scope_id, })); if let Some(block) = expr_scopes.block(scope_id) { - let def_map = db.block_def_map(block); + let def_map = block_def_map(db, block); let local_def_map = block.lookup(db).module.only_local_def_map(db); resolver.scopes.push(Scope::BlockScope(ModuleItemMap { def_map, @@ -945,8 +945,8 @@ fn hygiene_info( pub struct UpdateGuard(usize); -impl Resolver { - fn scopes(&self) -> impl Iterator<Item = &Scope> { +impl<'db> Resolver<'db> { + fn scopes(&self) -> impl Iterator<Item = &Scope<'db>> { self.scopes.iter().rev() } @@ -970,12 +970,12 @@ impl Resolver { fn item_scope_(&self) -> (&DefMap, &LocalDefMap, LocalModuleId) { self.scopes() .find_map(|scope| match scope { - Scope::BlockScope(m) => Some((&*m.def_map, &*m.local_def_map, m.module_id)), + Scope::BlockScope(m) => Some((m.def_map, m.local_def_map, m.module_id)), _ => None, }) .unwrap_or(( - &self.module_scope.def_map, - &self.module_scope.local_def_map, + self.module_scope.def_map, + self.module_scope.local_def_map, self.module_scope.module_id, )) } @@ -992,8 +992,8 @@ pub enum ScopeDef { Label(LabelId), } -impl Scope { - fn process_names(&self, acc: &mut ScopeNames, db: &dyn DefDatabase) { +impl<'db> Scope<'db> { + fn process_names(&self, acc: &mut ScopeNames, db: &'db dyn DefDatabase) { match self { Scope::BlockScope(m) => { m.def_map[m.module_id].scope.entries().for_each(|(name, def)| { @@ -1047,7 +1047,11 @@ impl Scope { } } -pub fn resolver_for_expr(db: &dyn DefDatabase, owner: DefWithBodyId, expr_id: ExprId) -> Resolver { +pub fn resolver_for_expr( + db: &dyn DefDatabase, + owner: DefWithBodyId, + expr_id: ExprId, +) -> Resolver<'_> { let r = owner.resolver(db); let scopes = db.expr_scopes(owner); let scope_id = scopes.scope_for(expr_id); @@ -1058,25 +1062,25 @@ pub fn resolver_for_scope( db: &dyn DefDatabase, owner: DefWithBodyId, scope_id: Option<ScopeId>, -) -> Resolver { +) -> Resolver<'_> { let r = owner.resolver(db); let scopes = db.expr_scopes(owner); resolver_for_scope_(db, scopes, scope_id, r, owner) } -fn resolver_for_scope_( - db: &dyn DefDatabase, +fn resolver_for_scope_<'db>( + db: &'db dyn DefDatabase, scopes: Arc<ExprScopes>, scope_id: Option<ScopeId>, - mut r: Resolver, + mut r: Resolver<'db>, owner: DefWithBodyId, -) -> Resolver { +) -> Resolver<'db> { let scope_chain = scopes.scope_chain(scope_id).collect::<Vec<_>>(); r.scopes.reserve(scope_chain.len()); for scope in scope_chain.into_iter().rev() { if let Some(block) = scopes.block(scope) { - let def_map = db.block_def_map(block); + let def_map = block_def_map(db, block); let local_def_map = block.lookup(db).module.only_local_def_map(db); r = r.push_block_scope(def_map, local_def_map); // FIXME: This adds as many module scopes as there are blocks, but resolving in each @@ -1092,18 +1096,26 @@ fn resolver_for_scope_( r } -impl Resolver { - fn push_scope(mut self, scope: Scope) -> Resolver { +impl<'db> Resolver<'db> { + fn push_scope(mut self, scope: Scope<'db>) -> Resolver<'db> { self.scopes.push(scope); self } - fn push_generic_params_scope(self, db: &dyn DefDatabase, def: GenericDefId) -> Resolver { + fn push_generic_params_scope( + self, + db: &'db dyn DefDatabase, + def: GenericDefId, + ) -> Resolver<'db> { let params = db.generic_params(def); self.push_scope(Scope::GenericParams { def, params }) } - fn push_block_scope(self, def_map: Arc<DefMap>, local_def_map: Arc<LocalDefMap>) -> Resolver { + fn push_block_scope( + self, + def_map: &'db DefMap, + local_def_map: &'db LocalDefMap, + ) -> Resolver<'db> { self.push_scope(Scope::BlockScope(ModuleItemMap { def_map, local_def_map, @@ -1116,19 +1128,19 @@ impl Resolver { owner: DefWithBodyId, expr_scopes: Arc<ExprScopes>, scope_id: ScopeId, - ) -> Resolver { + ) -> Resolver<'db> { self.push_scope(Scope::ExprScope(ExprScope { owner, expr_scopes, scope_id })) } } -impl ModuleItemMap { +impl<'db> ModuleItemMap<'db> { fn resolve_path_in_value_ns( &self, - db: &dyn DefDatabase, + db: &'db dyn DefDatabase, path: &ModPath, ) -> Option<(ResolveValueResult, ResolvePathResultPrefixInfo)> { let (module_def, unresolved_idx, prefix_info) = self.def_map.resolve_path_locally( - &self.local_def_map, + self.local_def_map, db, self.module_id, path, @@ -1167,7 +1179,7 @@ impl ModuleItemMap { ) -> Option<(TypeNs, Option<usize>, Option<ImportOrExternCrate>, ResolvePathResultPrefixInfo)> { let (module_def, idx, prefix_info) = self.def_map.resolve_path_locally( - &self.local_def_map, + self.local_def_map, db, self.module_id, path, @@ -1263,11 +1275,11 @@ impl ScopeNames { pub trait HasResolver: Copy { /// Builds a resolver for type references inside this def. - fn resolver(self, db: &dyn DefDatabase) -> Resolver; + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_>; } impl HasResolver for ModuleId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { let (mut def_map, local_def_map) = self.local_def_map(db); let mut module_id = self.local_id; @@ -1289,21 +1301,17 @@ impl HasResolver for ModuleId { } let mut resolver = Resolver { scopes: Vec::with_capacity(modules.len()), - module_scope: ModuleItemMap { - def_map, - local_def_map: local_def_map.clone(), - module_id, - }, + module_scope: ModuleItemMap { def_map, local_def_map, module_id }, }; for def_map in modules.into_iter().rev() { - resolver = resolver.push_block_scope(def_map, local_def_map.clone()); + resolver = resolver.push_block_scope(def_map, local_def_map); } resolver } } impl HasResolver for CrateRootModuleId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { let (def_map, local_def_map) = self.local_def_map(db); Resolver { scopes: vec![], @@ -1313,75 +1321,75 @@ impl HasResolver for CrateRootModuleId { } impl HasResolver for TraitId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self).push_generic_params_scope(db, self.into()) } } impl HasResolver for TraitAliasId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self).push_generic_params_scope(db, self.into()) } } impl<T: Into<AdtId> + Copy> HasResolver for T { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { let def = self.into(); def.module(db).resolver(db).push_generic_params_scope(db, def.into()) } } impl HasResolver for FunctionId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self).push_generic_params_scope(db, self.into()) } } impl HasResolver for ConstId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } impl HasResolver for StaticId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } impl HasResolver for TypeAliasId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self).push_generic_params_scope(db, self.into()) } } impl HasResolver for ImplId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { self.lookup(db).container.resolver(db).push_generic_params_scope(db, self.into()) } } impl HasResolver for ExternBlockId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { // Same as parent's lookup_resolver(db, self) } } impl HasResolver for ExternCrateId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } impl HasResolver for UseId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } impl HasResolver for DefWithBodyId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { match self { DefWithBodyId::ConstId(c) => c.resolver(db), DefWithBodyId::FunctionId(f) => f.resolver(db), @@ -1392,7 +1400,7 @@ impl HasResolver for DefWithBodyId { } impl HasResolver for ItemContainerId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { match self { ItemContainerId::ModuleId(it) => it.resolver(db), ItemContainerId::TraitId(it) => it.resolver(db), @@ -1403,7 +1411,7 @@ impl HasResolver for ItemContainerId { } impl HasResolver for GenericDefId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { match self { GenericDefId::FunctionId(inner) => inner.resolver(db), GenericDefId::AdtId(adt) => adt.resolver(db), @@ -1418,13 +1426,13 @@ impl HasResolver for GenericDefId { } impl HasResolver for EnumVariantId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { self.lookup(db).parent.resolver(db) } } impl HasResolver for VariantId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { match self { VariantId::EnumVariantId(it) => it.resolver(db), VariantId::StructId(it) => it.resolver(db), @@ -1434,7 +1442,7 @@ impl HasResolver for VariantId { } impl HasResolver for MacroId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { match self { MacroId::Macro2Id(it) => it.resolver(db), MacroId::MacroRulesId(it) => it.resolver(db), @@ -1444,29 +1452,29 @@ impl HasResolver for MacroId { } impl HasResolver for Macro2Id { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } impl HasResolver for ProcMacroId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } impl HasResolver for MacroRulesId { - fn resolver(self, db: &dyn DefDatabase) -> Resolver { + fn resolver(self, db: &dyn DefDatabase) -> Resolver<'_> { lookup_resolver(db, self) } } -fn lookup_resolver<'db>( - db: &(dyn DefDatabase + 'db), +fn lookup_resolver( + db: &dyn DefDatabase, lookup: impl Lookup< Database = dyn DefDatabase, Data = impl ItemTreeLoc<Container = impl HasResolver>, >, -) -> Resolver { +) -> Resolver<'_> { lookup.lookup(db).container().resolver(db) } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/test_db.rs b/src/tools/rust-analyzer/crates/hir-def/src/test_db.rs index 47097548295..e30a5b65a1f 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/test_db.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/test_db.rs @@ -15,7 +15,7 @@ use triomphe::Arc; use crate::{ LocalModuleId, Lookup, ModuleDefId, ModuleId, db::DefDatabase, - nameres::{DefMap, ModuleSource}, + nameres::{DefMap, ModuleSource, block_def_map, crate_def_map}, src::HasSource, }; @@ -30,9 +30,18 @@ pub(crate) struct TestDB { impl Default for TestDB { fn default() -> Self { + let events = <Arc<Mutex<Option<Vec<salsa::Event>>>>>::default(); let mut this = Self { - storage: Default::default(), - events: Default::default(), + storage: salsa::Storage::new(Some(Box::new({ + let events = events.clone(); + move |event| { + let mut events = events.lock().unwrap(); + if let Some(events) = &mut *events { + events.push(event); + } + } + }))), + events, files: Default::default(), crates_map: Default::default(), }; @@ -45,15 +54,7 @@ impl Default for TestDB { } #[salsa_macros::db] -impl salsa::Database for TestDB { - fn salsa_event(&self, event: &dyn std::ops::Fn() -> salsa::Event) { - let mut events = self.events.lock().unwrap(); - if let Some(events) = &mut *events { - let event = event(); - events.push(event); - } - } -} +impl salsa::Database for TestDB {} impl fmt::Debug for TestDB { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { @@ -133,7 +134,7 @@ impl TestDB { pub(crate) fn module_for_file(&self, file_id: FileId) -> ModuleId { for &krate in self.relevant_crates(file_id).iter() { - let crate_def_map = self.crate_def_map(krate); + let crate_def_map = crate_def_map(self, krate); for (local_id, data) in crate_def_map.modules() { if data.origin.file_id().map(|file_id| file_id.file_id(self)) == Some(file_id) { return crate_def_map.module_id(local_id); @@ -146,16 +147,16 @@ impl TestDB { pub(crate) fn module_at_position(&self, position: FilePosition) -> ModuleId { let file_module = self.module_for_file(position.file_id.file_id(self)); let mut def_map = file_module.def_map(self); - let module = self.mod_at_position(&def_map, position); + let module = self.mod_at_position(def_map, position); - def_map = match self.block_at_position(&def_map, position) { + def_map = match self.block_at_position(def_map, position) { Some(it) => it, None => return def_map.module_id(module), }; loop { - let new_map = self.block_at_position(&def_map, position); + let new_map = self.block_at_position(def_map, position); match new_map { - Some(new_block) if !Arc::ptr_eq(&new_block, &def_map) => { + Some(new_block) if !std::ptr::eq(&new_block, &def_map) => { def_map = new_block; } _ => { @@ -206,7 +207,7 @@ impl TestDB { res } - fn block_at_position(&self, def_map: &DefMap, position: FilePosition) -> Option<Arc<DefMap>> { + fn block_at_position(&self, def_map: &DefMap, position: FilePosition) -> Option<&DefMap> { // Find the smallest (innermost) function in `def_map` containing the cursor. let mut size = None; let mut fn_def = None; @@ -263,7 +264,7 @@ impl TestDB { let mut containing_blocks = scopes.scope_chain(Some(scope)).filter_map(|scope| scopes.block(scope)); - if let Some(block) = containing_blocks.next().map(|block| self.block_def_map(block)) { + if let Some(block) = containing_blocks.next().map(|block| block_def_map(self, block)) { return Some(block); } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs b/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs index b42c8d383d4..3c67ee9fe5b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/visibility.rs @@ -28,7 +28,7 @@ pub enum Visibility { impl Visibility { pub fn resolve( db: &dyn DefDatabase, - resolver: &crate::resolver::Resolver, + resolver: &crate::resolver::Resolver<'_>, raw_vis: &RawVisibility, ) -> Self { // we fall back to public visibility (i.e. fail open) if the path can't be resolved @@ -50,7 +50,7 @@ impl Visibility { return false; } let def_map = from_module.def_map(db); - Self::is_visible_from_def_map_(db, &def_map, to_module, from_module.local_id) + Self::is_visible_from_def_map_(db, def_map, to_module, from_module.local_id) } pub(crate) fn is_visible_from_def_map( @@ -116,7 +116,7 @@ impl Visibility { match def_map.parent() { Some(module) => { parent_arc = module.def_map(db); - def_map = &*parent_arc; + def_map = parent_arc; from_module = module.local_id; } // Reached the root module, nothing left to check. @@ -257,7 +257,7 @@ pub(crate) fn type_alias_visibility_query(db: &dyn DefDatabase, def: TypeAliasId } #[inline] -fn trait_vis(db: &dyn DefDatabase, resolver: &Resolver, trait_id: TraitId) -> Visibility { +fn trait_vis(db: &dyn DefDatabase, resolver: &Resolver<'_>, trait_id: TraitId) -> Visibility { let ItemLoc { id: tree_id, .. } = trait_id.lookup(db); let item_tree = tree_id.item_tree(db); let tr_def = &item_tree[tree_id.value]; diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs b/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs index bb17eb06276..94c97713f06 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs @@ -1,4 +1,5 @@ //! A higher level attributes based on TokenTree, with also some shortcuts. +use std::iter; use std::{borrow::Cow, fmt, ops}; use base_db::Crate; @@ -122,16 +123,15 @@ impl RawAttrs { (None, entries @ Some(_)) => Self { entries }, (Some(entries), None) => Self { entries: Some(entries.clone()) }, (Some(a), Some(b)) => { - let last_ast_index = a.slice.last().map_or(0, |it| it.id.ast_index() + 1) as u32; + let last_ast_index = a.slice.last().map_or(0, |it| it.id.ast_index() + 1); let items = a .slice .iter() .cloned() .chain(b.slice.iter().map(|it| { let mut it = it.clone(); - it.id.id = (it.id.ast_index() as u32 + last_ast_index) - | ((it.id.cfg_attr_index().unwrap_or(0) as u32) - << AttrId::AST_INDEX_BITS); + let id = it.id.ast_index() + last_ast_index; + it.id = AttrId::new(id, it.id.is_inner_attr()); it })) .collect::<Vec<_>>(); @@ -175,25 +175,20 @@ pub struct AttrId { // FIXME: This only handles a single level of cfg_attr nesting // that is `#[cfg_attr(all(), cfg_attr(all(), cfg(any())))]` breaks again impl AttrId { - const CFG_ATTR_BITS: usize = 7; - const AST_INDEX_MASK: usize = 0x00FF_FFFF; - const AST_INDEX_BITS: usize = Self::AST_INDEX_MASK.count_ones() as usize; - const CFG_ATTR_SET_BITS: u32 = 1 << 31; + const INNER_ATTR_SET_BIT: u32 = 1 << 31; - pub fn ast_index(&self) -> usize { - self.id as usize & Self::AST_INDEX_MASK + pub fn new(id: usize, is_inner: bool) -> Self { + assert!(id <= !Self::INNER_ATTR_SET_BIT as usize); + let id = id as u32; + Self { id: if is_inner { id | Self::INNER_ATTR_SET_BIT } else { id } } } - pub fn cfg_attr_index(&self) -> Option<usize> { - if self.id & Self::CFG_ATTR_SET_BITS == 0 { - None - } else { - Some(self.id as usize >> Self::AST_INDEX_BITS) - } + pub fn ast_index(&self) -> usize { + (self.id & !Self::INNER_ATTR_SET_BIT) as usize } - pub fn with_cfg_attr(self, idx: usize) -> AttrId { - AttrId { id: self.id | ((idx as u32) << Self::AST_INDEX_BITS) | Self::CFG_ATTR_SET_BITS } + pub fn is_inner_attr(&self) -> bool { + self.id & Self::INNER_ATTR_SET_BIT != 0 } } @@ -333,10 +328,7 @@ impl Attr { None => return smallvec![self.clone()], }; let index = self.id; - let attrs = parts - .enumerate() - .take(1 << AttrId::CFG_ATTR_BITS) - .filter_map(|(idx, attr)| Attr::from_tt(db, attr, index.with_cfg_attr(idx))); + let attrs = parts.filter_map(|attr| Attr::from_tt(db, attr, index)); let cfg = TopSubtree::from_token_trees(subtree.top_subtree().delimiter, cfg); let cfg = CfgExpr::parse(&cfg); @@ -467,13 +459,18 @@ fn unescape(s: &str) -> Option<Cow<'_, str>> { pub fn collect_attrs( owner: &dyn ast::HasAttrs, ) -> impl Iterator<Item = (AttrId, Either<ast::Attr, ast::Comment>)> { - let inner_attrs = inner_attributes(owner.syntax()).into_iter().flatten(); - let outer_attrs = - ast::AttrDocCommentIter::from_syntax_node(owner.syntax()).filter(|el| match el { + let inner_attrs = + inner_attributes(owner.syntax()).into_iter().flatten().zip(iter::repeat(true)); + let outer_attrs = ast::AttrDocCommentIter::from_syntax_node(owner.syntax()) + .filter(|el| match el { Either::Left(attr) => attr.kind().is_outer(), Either::Right(comment) => comment.is_outer(), - }); - outer_attrs.chain(inner_attrs).enumerate().map(|(id, attr)| (AttrId { id: id as u32 }, attr)) + }) + .zip(iter::repeat(false)); + outer_attrs + .chain(inner_attrs) + .enumerate() + .map(|(id, (attr, is_inner))| (AttrId::new(id, is_inner), attr)) } fn inner_attributes( diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/derive_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/derive_macro.rs index 68283b916d7..d135584a080 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/derive_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/derive_macro.rs @@ -1,5 +1,6 @@ //! Builtin derives. +use either::Either; use intern::sym; use itertools::{Itertools, izip}; use parser::SyntaxKind; @@ -1179,10 +1180,10 @@ fn coerce_pointee_expand( }; new_predicates.push( make::where_pred( - make::ty_path(make::path_from_segments( + Either::Right(make::ty_path(make::path_from_segments( [make::path_segment(new_bounds_target)], false, - )), + ))), new_bounds, ) .clone_for_update(), @@ -1245,7 +1246,9 @@ fn coerce_pointee_expand( substitute_type_in_bound(ty, &pointee_param_name.text(), ADDED_PARAM) }) }); - new_predicates.push(make::where_pred(pred_target, new_bounds).clone_for_update()); + new_predicates.push( + make::where_pred(Either::Right(pred_target), new_bounds).clone_for_update(), + ); } } @@ -1260,10 +1263,10 @@ fn coerce_pointee_expand( // Find the `#[pointee]` parameter and add an `Unsize<__S>` bound to it. where_clause.add_predicate( make::where_pred( - make::ty_path(make::path_from_segments( + Either::Right(make::ty_path(make::path_from_segments( [make::path_segment(make::name_ref(&pointee_param_name.text()))], false, - )), + ))), [make::type_bound(make::ty_path(make::path_from_segments( [ make::path_segment(make::name_ref("core")), diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs index 621e174cac9..3180b8dae10 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs @@ -140,7 +140,6 @@ register_builtin! { EagerExpander: (compile_error, CompileError) => compile_error_expand, (concat, Concat) => concat_expand, - (concat_idents, ConcatIdents) => concat_idents_expand, (concat_bytes, ConcatBytes) => concat_bytes_expand, (include, Include) => include_expand, (include_bytes, IncludeBytes) => include_bytes_expand, @@ -452,7 +451,10 @@ fn concat_expand( Some(_) => (), None => span = Some(s), }; - for (i, mut t) in tt.iter().enumerate() { + + let mut i = 0; + let mut iter = tt.iter(); + while let Some(mut t) = iter.next() { // FIXME: hack on top of a hack: `$e:expr` captures get surrounded in parentheses // to ensure the right parsing order, so skip the parentheses here. Ideally we'd // implement rustc's model. cc https://github.com/rust-lang/rust-analyzer/pull/10623 @@ -504,10 +506,40 @@ fn concat_expand( record_span(id.span); } TtElement::Leaf(tt::Leaf::Punct(punct)) if i % 2 == 1 && punct.char == ',' => (), + // handle negative numbers + TtElement::Leaf(tt::Leaf::Punct(punct)) if i % 2 == 0 && punct.char == '-' => { + let t = match iter.next() { + Some(t) => t, + None => { + err.get_or_insert(ExpandError::other( + call_site, + "unexpected end of input after '-'", + )); + break; + } + }; + + match t { + TtElement::Leaf(tt::Leaf::Literal(it)) + if matches!(it.kind, tt::LitKind::Integer | tt::LitKind::Float) => + { + format_to!(text, "-{}", it.symbol.as_str()); + record_span(punct.span.cover(it.span)); + } + _ => { + err.get_or_insert(ExpandError::other( + call_site, + "expected integer or floating pointer number after '-'", + )); + break; + } + } + } _ => { err.get_or_insert(ExpandError::other(call_site, "unexpected token")); } } + i += 1; } let span = span.unwrap_or_else(|| tt.top_subtree().delimiter.open); ExpandResult { value: quote!(span =>#text), err } @@ -627,30 +659,6 @@ fn concat_bytes_expand_subtree( Ok(()) } -fn concat_idents_expand( - _db: &dyn ExpandDatabase, - _arg_id: MacroCallId, - tt: &tt::TopSubtree, - span: Span, -) -> ExpandResult<tt::TopSubtree> { - let mut err = None; - let mut ident = String::new(); - for (i, t) in tt.iter().enumerate() { - match t { - TtElement::Leaf(tt::Leaf::Ident(id)) => { - ident.push_str(id.sym.as_str()); - } - TtElement::Leaf(tt::Leaf::Punct(punct)) if i % 2 == 1 && punct.char == ',' => (), - _ => { - err.get_or_insert(ExpandError::other(span, "unexpected token")); - } - } - } - // FIXME merge spans - let ident = tt::Ident { sym: Symbol::intern(&ident), span, is_raw: tt::IdentIsRaw::No }; - ExpandResult { value: quote!(span =>#ident), err } -} - fn relative_file( db: &dyn ExpandDatabase, call_id: MacroCallId, diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs index 8a1a33d7e3b..1cd975b980d 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs @@ -19,18 +19,8 @@ pub enum ProcMacroKind { Attr, } -pub trait AsAny: Any { - fn as_any(&self) -> &dyn Any; -} - -impl<T: Any> AsAny for T { - fn as_any(&self) -> &dyn Any { - self - } -} - /// A proc-macro expander implementation. -pub trait ProcMacroExpander: fmt::Debug + Send + Sync + RefUnwindSafe + AsAny { +pub trait ProcMacroExpander: fmt::Debug + Send + Sync + RefUnwindSafe + Any { /// Run the expander with the given input subtree, optional attribute input subtree (for /// [`ProcMacroKind::Attr`]), environment variables, and span information. fn expand( @@ -44,7 +34,9 @@ pub trait ProcMacroExpander: fmt::Debug + Send + Sync + RefUnwindSafe + AsAny { current_dir: String, ) -> Result<tt::TopSubtree, ProcMacroExpansionError>; - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool; + fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { + other.type_id() == self.type_id() + } } impl PartialEq for dyn ProcMacroExpander { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs index cd799c03ddf..22b96b55cbb 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs @@ -259,7 +259,7 @@ impl chalk_solve::RustIrDatabase<Interner> for ChalkContext<'_> { } fn well_known_trait_id( &self, - well_known_trait: rust_ir::WellKnownTrait, + well_known_trait: WellKnownTrait, ) -> Option<chalk_ir::TraitId<Interner>> { let lang_attr = lang_item_from_well_known_trait(well_known_trait); let trait_ = lang_attr.resolve_trait(self.db, self.krate)?; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs b/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs index d1a1e135fff..f903b06d65e 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs @@ -91,7 +91,7 @@ impl From<MirEvalError> for ConstEvalError { pub(crate) fn path_to_const<'g>( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, path: &Path, mode: ParamLoweringMode, args: impl FnOnce() -> &'g Generics, diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs index 57106412765..9eb7ffe1c71 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs @@ -25,7 +25,7 @@ use triomphe::Arc; use typed_arena::Arena; use crate::{ - Adjust, InferenceResult, Interner, Ty, TyExt, TyKind, + Adjust, InferenceResult, Interner, TraitEnvironment, Ty, TyExt, TyKind, db::HirDatabase, diagnostics::match_check::{ self, @@ -74,8 +74,9 @@ impl BodyValidationDiagnostic { let _p = tracing::info_span!("BodyValidationDiagnostic::collect").entered(); let infer = db.infer(owner); let body = db.body(owner); + let env = db.trait_environment_for_body(owner); let mut validator = - ExprValidator { owner, body, infer, diagnostics: Vec::new(), validate_lints }; + ExprValidator { owner, body, infer, diagnostics: Vec::new(), validate_lints, env }; validator.validate_body(db); validator.diagnostics } @@ -85,6 +86,7 @@ struct ExprValidator { owner: DefWithBodyId, body: Arc<Body>, infer: Arc<InferenceResult>, + env: Arc<TraitEnvironment>, diagnostics: Vec<BodyValidationDiagnostic>, validate_lints: bool, } @@ -190,7 +192,7 @@ impl ExprValidator { return; } - let cx = MatchCheckCtx::new(self.owner.module(db), self.owner, db); + let cx = MatchCheckCtx::new(self.owner.module(db), self.owner, db, self.env.clone()); let pattern_arena = Arena::new(); let mut m_arms = Vec::with_capacity(arms.len()); @@ -317,11 +319,14 @@ impl ExprValidator { return; }; let pattern_arena = Arena::new(); - let cx = MatchCheckCtx::new(self.owner.module(db), self.owner, db); + let cx = MatchCheckCtx::new(self.owner.module(db), self.owner, db, self.env.clone()); for stmt in &**statements { let &Statement::Let { pat, initializer, else_branch: None, .. } = stmt else { continue; }; + if self.infer.type_mismatch_for_pat(pat).is_some() { + continue; + } let Some(initializer) = initializer else { continue }; let ty = &self.infer[initializer]; if ty.contains_unknown() { @@ -480,7 +485,7 @@ struct FilterMapNextChecker { } impl FilterMapNextChecker { - fn new(resolver: &hir_def::resolver::Resolver, db: &dyn HirDatabase) -> Self { + fn new(resolver: &hir_def::resolver::Resolver<'_>, db: &dyn HirDatabase) -> Self { // Find and store the FunctionIds for Iterator::filter_map and Iterator::next let (next_function_id, filter_map_function_id) = match LangItem::IteratorNext .resolve_function(db, resolver.krate()) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs index 068fc22f2ca..dd82a0f45ca 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs @@ -12,9 +12,10 @@ use rustc_pattern_analysis::{ }; use smallvec::{SmallVec, smallvec}; use stdx::never; +use triomphe::Arc; use crate::{ - AdtId, Interner, Scalar, Ty, TyExt, TyKind, + AdtId, Interner, Scalar, TraitEnvironment, Ty, TyExt, TyKind, db::HirDatabase, infer::normalize, inhabitedness::{is_enum_variant_uninhabited_from, is_ty_uninhabited_from}, @@ -69,13 +70,19 @@ pub(crate) struct MatchCheckCtx<'db> { body: DefWithBodyId, pub(crate) db: &'db dyn HirDatabase, exhaustive_patterns: bool, + env: Arc<TraitEnvironment>, } impl<'db> MatchCheckCtx<'db> { - pub(crate) fn new(module: ModuleId, body: DefWithBodyId, db: &'db dyn HirDatabase) -> Self { - let def_map = db.crate_def_map(module.krate()); + pub(crate) fn new( + module: ModuleId, + body: DefWithBodyId, + db: &'db dyn HirDatabase, + env: Arc<TraitEnvironment>, + ) -> Self { + let def_map = module.crate_def_map(db); let exhaustive_patterns = def_map.is_unstable_feature_enabled(&sym::exhaustive_patterns); - Self { module, body, db, exhaustive_patterns } + Self { module, body, db, exhaustive_patterns, env } } pub(crate) fn compute_match_usefulness( @@ -100,7 +107,7 @@ impl<'db> MatchCheckCtx<'db> { } fn is_uninhabited(&self, ty: &Ty) -> bool { - is_ty_uninhabited_from(self.db, ty, self.module) + is_ty_uninhabited_from(self.db, ty, self.module, self.env.clone()) } /// Returns whether the given ADT is from another crate declared `#[non_exhaustive]`. @@ -459,8 +466,13 @@ impl PatCx for MatchCheckCtx<'_> { } else { let mut variants = IndexVec::with_capacity(enum_data.variants.len()); for &(variant, _) in enum_data.variants.iter() { - let is_uninhabited = - is_enum_variant_uninhabited_from(cx.db, variant, subst, cx.module); + let is_uninhabited = is_enum_variant_uninhabited_from( + cx.db, + variant, + subst, + cx.module, + self.env.clone(), + ); let visibility = if is_uninhabited { VariantVisibility::Empty } else { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs index 73b99db7268..20cf3c78115 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs @@ -7,7 +7,7 @@ use either::Either; use hir_def::{ AdtId, DefWithBodyId, FieldId, FunctionId, VariantId, expr_store::{Body, path::Path}, - hir::{Expr, ExprId, ExprOrPatId, Pat, PatId, Statement, UnaryOp}, + hir::{AsmOperand, Expr, ExprId, ExprOrPatId, Pat, PatId, Statement, UnaryOp}, resolver::{HasResolver, ResolveValueResult, Resolver, ValueNs}, signatures::StaticFlags, type_ref::Rawness, @@ -131,28 +131,28 @@ pub fn unsafe_operations( visitor.walk_expr(current); } -struct UnsafeVisitor<'a> { - db: &'a dyn HirDatabase, - infer: &'a InferenceResult, - body: &'a Body, - resolver: Resolver, +struct UnsafeVisitor<'db> { + db: &'db dyn HirDatabase, + infer: &'db InferenceResult, + body: &'db Body, + resolver: Resolver<'db>, def: DefWithBodyId, inside_unsafe_block: InsideUnsafeBlock, inside_assignment: bool, inside_union_destructure: bool, - callback: &'a mut dyn FnMut(UnsafeDiagnostic), + callback: &'db mut dyn FnMut(UnsafeDiagnostic), def_target_features: TargetFeatures, // FIXME: This needs to be the edition of the span of each call. edition: Edition, } -impl<'a> UnsafeVisitor<'a> { +impl<'db> UnsafeVisitor<'db> { fn new( - db: &'a dyn HirDatabase, - infer: &'a InferenceResult, - body: &'a Body, + db: &'db dyn HirDatabase, + infer: &'db InferenceResult, + body: &'db Body, def: DefWithBodyId, - unsafe_expr_cb: &'a mut dyn FnMut(UnsafeDiagnostic), + unsafe_expr_cb: &'db mut dyn FnMut(UnsafeDiagnostic), ) -> Self { let resolver = def.resolver(db); let def_target_features = match def { @@ -199,6 +199,17 @@ impl<'a> UnsafeVisitor<'a> { } } + fn with_inside_unsafe_block<R>( + &mut self, + inside_unsafe_block: InsideUnsafeBlock, + f: impl FnOnce(&mut Self) -> R, + ) -> R { + let old = mem::replace(&mut self.inside_unsafe_block, inside_unsafe_block); + let result = f(self); + self.inside_unsafe_block = old; + result + } + fn walk_pats_top(&mut self, pats: impl Iterator<Item = PatId>, parent_expr: ExprId) { let guard = self.resolver.update_to_inner_scope(self.db, self.def, parent_expr); pats.for_each(|pat| self.walk_pat(pat)); @@ -303,7 +314,29 @@ impl<'a> UnsafeVisitor<'a> { self.walk_pats_top(std::iter::once(target), current); self.inside_assignment = old_inside_assignment; } - Expr::InlineAsm(_) => self.on_unsafe_op(current.into(), UnsafetyReason::InlineAsm), + Expr::InlineAsm(asm) => { + self.on_unsafe_op(current.into(), UnsafetyReason::InlineAsm); + asm.operands.iter().for_each(|(_, op)| match op { + AsmOperand::In { expr, .. } + | AsmOperand::Out { expr: Some(expr), .. } + | AsmOperand::InOut { expr, .. } + | AsmOperand::Const(expr) => self.walk_expr(*expr), + AsmOperand::SplitInOut { in_expr, out_expr, .. } => { + self.walk_expr(*in_expr); + if let Some(out_expr) = out_expr { + self.walk_expr(*out_expr); + } + } + AsmOperand::Out { expr: None, .. } | AsmOperand::Sym(_) => (), + AsmOperand::Label(expr) => { + // Inline asm labels are considered safe even when inside unsafe blocks. + self.with_inside_unsafe_block(InsideUnsafeBlock::No, |this| { + this.walk_expr(*expr) + }); + } + }); + return; + } // rustc allows union assignment to propagate through field accesses and casts. Expr::Cast { .. } => self.inside_assignment = inside_assignment, Expr::Field { .. } => { @@ -317,17 +350,16 @@ impl<'a> UnsafeVisitor<'a> { } } Expr::Unsafe { statements, .. } => { - let old_inside_unsafe_block = - mem::replace(&mut self.inside_unsafe_block, InsideUnsafeBlock::Yes); - self.walk_pats_top( - statements.iter().filter_map(|statement| match statement { - &Statement::Let { pat, .. } => Some(pat), - _ => None, - }), - current, - ); - self.body.walk_child_exprs_without_pats(current, |child| self.walk_expr(child)); - self.inside_unsafe_block = old_inside_unsafe_block; + self.with_inside_unsafe_block(InsideUnsafeBlock::Yes, |this| { + this.walk_pats_top( + statements.iter().filter_map(|statement| match statement { + &Statement::Let { pat, .. } => Some(pat), + _ => None, + }), + current, + ); + this.body.walk_child_exprs_without_pats(current, |child| this.walk_expr(child)); + }); return; } Expr::Block { statements, .. } | Expr::Async { statements, .. } => { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs index f0989d9de91..f210dd8799f 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs @@ -1463,6 +1463,8 @@ impl HirDisplay for Ty { } if f.closure_style == ClosureStyle::RANotation || !sig.ret().is_unit() { write!(f, " -> ")?; + // FIXME: We display `AsyncFn` as `-> impl Future`, but this is hard to fix because + // we don't have a trait environment here, required to normalize `<Ret as Future>::Output`. sig.ret().hir_fmt(f)?; } } else { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/dyn_compatibility.rs b/src/tools/rust-analyzer/crates/hir-ty/src/dyn_compatibility.rs index 106b996b13e..ed8d8dc2624 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/dyn_compatibility.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/dyn_compatibility.rs @@ -9,8 +9,8 @@ use chalk_ir::{ }; use chalk_solve::rust_ir::InlineBound; use hir_def::{ - AssocItemId, ConstId, FunctionId, GenericDefId, HasModule, TraitId, TypeAliasId, - lang_item::LangItem, signatures::TraitFlags, + AssocItemId, ConstId, CrateRootModuleId, FunctionId, GenericDefId, HasModule, TraitId, + TypeAliasId, lang_item::LangItem, signatures::TraitFlags, }; use rustc_hash::FxHashSet; use smallvec::SmallVec; @@ -343,7 +343,7 @@ where }) } AssocItemId::TypeAliasId(it) => { - let def_map = db.crate_def_map(trait_.krate(db)); + let def_map = CrateRootModuleId::from(trait_.krate(db)).def_map(db); if def_map.is_unstable_feature_enabled(&intern::sym::generic_associated_type_extended) { ControlFlow::Continue(()) } else { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs index f0ec31db8bb..e698fb201cb 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs @@ -594,16 +594,16 @@ impl Index<BindingId> for InferenceResult { /// The inference context contains all information needed during type inference. #[derive(Clone, Debug)] -pub(crate) struct InferenceContext<'a> { - pub(crate) db: &'a dyn HirDatabase, +pub(crate) struct InferenceContext<'db> { + pub(crate) db: &'db dyn HirDatabase, pub(crate) owner: DefWithBodyId, - pub(crate) body: &'a Body, + pub(crate) body: &'db Body, /// Generally you should not resolve things via this resolver. Instead create a TyLoweringContext /// and resolve the path via its methods. This will ensure proper error reporting. - pub(crate) resolver: Resolver, + pub(crate) resolver: Resolver<'db>, generic_def: GenericDefId, generics: OnceCell<Generics>, - table: unify::InferenceTable<'a>, + table: unify::InferenceTable<'db>, /// The traits in scope, disregarding block modules. This is used for caching purposes. traits_in_scope: FxHashSet<TraitId>, pub(crate) result: InferenceResult, @@ -695,12 +695,12 @@ enum ImplTraitReplacingMode { TypeAlias, } -impl<'a> InferenceContext<'a> { +impl<'db> InferenceContext<'db> { fn new( - db: &'a dyn HirDatabase, + db: &'db dyn HirDatabase, owner: DefWithBodyId, - body: &'a Body, - resolver: Resolver, + body: &'db Body, + resolver: Resolver<'db>, ) -> Self { let trait_env = db.trait_environment_for_body(owner); InferenceContext { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs index 800897c6fc3..bd57ca89162 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs @@ -38,7 +38,7 @@ use crate::{ infer::{BreakableKind, CoerceMany, Diverges, coerce::CoerceNever}, make_binders, mir::{BorrowKind, MirSpan, MutBorrowKind, ProjectionElem}, - to_chalk_trait_id, + to_assoc_type_id, to_chalk_trait_id, traits::FnTrait, utils::{self, elaborate_clause_supertraits}, }; @@ -245,7 +245,7 @@ impl InferenceContext<'_> { } fn deduce_closure_kind_from_predicate_clauses( - &self, + &mut self, expected_ty: &Ty, clauses: impl DoubleEndedIterator<Item = WhereClause>, closure_kind: ClosureKind, @@ -378,7 +378,7 @@ impl InferenceContext<'_> { } fn deduce_sig_from_projection( - &self, + &mut self, closure_kind: ClosureKind, projection_ty: &ProjectionTy, projected_ty: &Ty, @@ -392,13 +392,16 @@ impl InferenceContext<'_> { // For now, we only do signature deduction based off of the `Fn` and `AsyncFn` traits, // for closures and async closures, respectively. - match closure_kind { - ClosureKind::Closure | ClosureKind::Async - if self.fn_trait_kind_from_trait_id(trait_).is_some() => - { - self.extract_sig_from_projection(projection_ty, projected_ty) - } - _ => None, + let fn_trait_kind = self.fn_trait_kind_from_trait_id(trait_)?; + if !matches!(closure_kind, ClosureKind::Closure | ClosureKind::Async) { + return None; + } + if fn_trait_kind.is_async() { + // If the expected trait is `AsyncFn(...) -> X`, we don't know what the return type is, + // but we do know it must implement `Future<Output = X>`. + self.extract_async_fn_sig_from_projection(projection_ty, projected_ty) + } else { + self.extract_sig_from_projection(projection_ty, projected_ty) } } @@ -424,6 +427,39 @@ impl InferenceContext<'_> { ))) } + fn extract_async_fn_sig_from_projection( + &mut self, + projection_ty: &ProjectionTy, + projected_ty: &Ty, + ) -> Option<FnSubst<Interner>> { + let arg_param_ty = projection_ty.substitution.as_slice(Interner)[1].assert_ty_ref(Interner); + + let TyKind::Tuple(_, input_tys) = arg_param_ty.kind(Interner) else { + return None; + }; + + let ret_param_future_output = projected_ty; + let ret_param_future = self.table.new_type_var(); + let future_output = + LangItem::FutureOutput.resolve_type_alias(self.db, self.resolver.krate())?; + let future_projection = crate::AliasTy::Projection(crate::ProjectionTy { + associated_ty_id: to_assoc_type_id(future_output), + substitution: Substitution::from1(Interner, ret_param_future.clone()), + }); + self.table.register_obligation( + crate::AliasEq { alias: future_projection, ty: ret_param_future_output.clone() } + .cast(Interner), + ); + + Some(FnSubst(Substitution::from_iter( + Interner, + input_tys.iter(Interner).map(|t| t.cast(Interner)).chain(Some(GenericArg::new( + Interner, + chalk_ir::GenericArgData::Ty(ret_param_future), + ))), + ))) + } + fn fn_trait_kind_from_trait_id(&self, trait_id: hir_def::TraitId) -> Option<FnTrait> { FnTrait::from_lang_item(self.db.lang_attr(trait_id.into())?) } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/diagnostics.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/diagnostics.rs index e3c4f5562d5..003364d4336 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/diagnostics.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/diagnostics.rs @@ -61,7 +61,7 @@ impl<'a> InferenceTyLoweringContext<'a> { #[inline] pub(super) fn new( db: &'a dyn HirDatabase, - resolver: &'a Resolver, + resolver: &'a Resolver<'_>, store: &'a ExpressionStore, diagnostics: &'a Diagnostics, source: InferenceTyDiagnosticSource, diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs index 8084b394d04..87b7f3406ff 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs @@ -959,8 +959,8 @@ impl InferenceContext<'_> { } Expr::OffsetOf(_) => TyKind::Scalar(Scalar::Uint(UintTy::Usize)).intern(Interner), Expr::InlineAsm(asm) => { - let mut check_expr_asm_operand = |expr, is_input: bool| { - let ty = self.infer_expr_no_expect(expr, ExprIsRead::Yes); + let check_expr_asm_operand = |this: &mut Self, expr, is_input: bool| { + let ty = this.infer_expr_no_expect(expr, ExprIsRead::Yes); // If this is an input value, we require its type to be fully resolved // at this point. This allows us to provide helpful coercions which help @@ -970,18 +970,18 @@ impl InferenceContext<'_> { // allows them to be inferred based on how they are used later in the // function. if is_input { - let ty = self.resolve_ty_shallow(&ty); + let ty = this.resolve_ty_shallow(&ty); match ty.kind(Interner) { TyKind::FnDef(def, parameters) => { let fnptr_ty = TyKind::Function( - CallableSig::from_def(self.db, *def, parameters).to_fn_ptr(), + CallableSig::from_def(this.db, *def, parameters).to_fn_ptr(), ) .intern(Interner); - _ = self.coerce(Some(expr), &ty, &fnptr_ty, CoerceNever::Yes); + _ = this.coerce(Some(expr), &ty, &fnptr_ty, CoerceNever::Yes); } TyKind::Ref(mutbl, _, base_ty) => { let ptr_ty = TyKind::Raw(*mutbl, base_ty.clone()).intern(Interner); - _ = self.coerce(Some(expr), &ty, &ptr_ty, CoerceNever::Yes); + _ = this.coerce(Some(expr), &ty, &ptr_ty, CoerceNever::Yes); } _ => {} } @@ -990,22 +990,28 @@ impl InferenceContext<'_> { let diverge = asm.options.contains(AsmOptions::NORETURN); asm.operands.iter().for_each(|(_, operand)| match *operand { - AsmOperand::In { expr, .. } => check_expr_asm_operand(expr, true), + AsmOperand::In { expr, .. } => check_expr_asm_operand(self, expr, true), AsmOperand::Out { expr: Some(expr), .. } | AsmOperand::InOut { expr, .. } => { - check_expr_asm_operand(expr, false) + check_expr_asm_operand(self, expr, false) } AsmOperand::Out { expr: None, .. } => (), AsmOperand::SplitInOut { in_expr, out_expr, .. } => { - check_expr_asm_operand(in_expr, true); + check_expr_asm_operand(self, in_expr, true); if let Some(out_expr) = out_expr { - check_expr_asm_operand(out_expr, false); + check_expr_asm_operand(self, out_expr, false); } } - // FIXME - AsmOperand::Label(_) => (), - // FIXME - AsmOperand::Const(_) => (), - // FIXME + AsmOperand::Label(expr) => { + self.infer_expr( + expr, + &Expectation::HasType(self.result.standard_types.unit.clone()), + ExprIsRead::No, + ); + } + AsmOperand::Const(expr) => { + self.infer_expr(expr, &Expectation::None, ExprIsRead::No); + } + // FIXME: `sym` should report for things that are not functions or statics. AsmOperand::Sym(_) => (), }); if diverge { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/inhabitedness.rs b/src/tools/rust-analyzer/crates/hir-ty/src/inhabitedness.rs index e0c3279d3fb..e81a5e3c311 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/inhabitedness.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/inhabitedness.rs @@ -7,17 +7,24 @@ use chalk_ir::{ }; use hir_def::{AdtId, EnumVariantId, ModuleId, VariantId, visibility::Visibility}; use rustc_hash::FxHashSet; +use triomphe::Arc; use crate::{ - Binders, Interner, Substitution, Ty, TyKind, consteval::try_const_usize, db::HirDatabase, + AliasTy, Binders, Interner, Substitution, TraitEnvironment, Ty, TyKind, + consteval::try_const_usize, db::HirDatabase, }; // FIXME: Turn this into a query, it can be quite slow /// Checks whether a type is visibly uninhabited from a particular module. -pub(crate) fn is_ty_uninhabited_from(db: &dyn HirDatabase, ty: &Ty, target_mod: ModuleId) -> bool { +pub(crate) fn is_ty_uninhabited_from( + db: &dyn HirDatabase, + ty: &Ty, + target_mod: ModuleId, + env: Arc<TraitEnvironment>, +) -> bool { let _p = tracing::info_span!("is_ty_uninhabited_from", ?ty).entered(); let mut uninhabited_from = - UninhabitedFrom { target_mod, db, max_depth: 500, recursive_ty: FxHashSet::default() }; + UninhabitedFrom { target_mod, db, max_depth: 500, recursive_ty: FxHashSet::default(), env }; let inhabitedness = ty.visit_with(&mut uninhabited_from, DebruijnIndex::INNERMOST); inhabitedness == BREAK_VISIBLY_UNINHABITED } @@ -29,11 +36,12 @@ pub(crate) fn is_enum_variant_uninhabited_from( variant: EnumVariantId, subst: &Substitution, target_mod: ModuleId, + env: Arc<TraitEnvironment>, ) -> bool { let _p = tracing::info_span!("is_enum_variant_uninhabited_from").entered(); let mut uninhabited_from = - UninhabitedFrom { target_mod, db, max_depth: 500, recursive_ty: FxHashSet::default() }; + UninhabitedFrom { target_mod, db, max_depth: 500, recursive_ty: FxHashSet::default(), env }; let inhabitedness = uninhabited_from.visit_variant(variant.into(), subst); inhabitedness == BREAK_VISIBLY_UNINHABITED } @@ -44,6 +52,7 @@ struct UninhabitedFrom<'a> { // guard for preventing stack overflow in non trivial non terminating types max_depth: usize, db: &'a dyn HirDatabase, + env: Arc<TraitEnvironment>, } const CONTINUE_OPAQUELY_INHABITED: ControlFlow<VisiblyUninhabited> = Continue(()); @@ -78,6 +87,12 @@ impl TypeVisitor<Interner> for UninhabitedFrom<'_> { Some(0) | None => CONTINUE_OPAQUELY_INHABITED, Some(1..) => item_ty.super_visit_with(self, outer_binder), }, + TyKind::Alias(AliasTy::Projection(projection)) => { + // FIXME: I think this currently isn't used for monomorphized bodies, so there is no need to handle + // `TyKind::AssociatedType`, but perhaps in the future it will. + let normalized = self.db.normalize_projection(projection.clone(), self.env.clone()); + self.visit_ty(&normalized, outer_binder) + } _ => CONTINUE_OPAQUELY_INHABITED, }; self.recursive_ty.remove(ty); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs b/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs index 9def39d5f97..ea8e7cc2be9 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs @@ -42,7 +42,6 @@ use hir_def::{ use hir_expand::name::Name; use la_arena::{Arena, ArenaMap}; use rustc_hash::FxHashSet; -use rustc_pattern_analysis::Captures; use stdx::{impl_from, never}; use triomphe::{Arc, ThinArc}; @@ -151,10 +150,10 @@ impl LifetimeElisionKind { } #[derive(Debug)] -pub struct TyLoweringContext<'a> { - pub db: &'a dyn HirDatabase, - resolver: &'a Resolver, - store: &'a ExpressionStore, +pub struct TyLoweringContext<'db> { + pub db: &'db dyn HirDatabase, + resolver: &'db Resolver<'db>, + store: &'db ExpressionStore, def: GenericDefId, generics: OnceCell<Generics>, in_binders: DebruijnIndex, @@ -170,11 +169,11 @@ pub struct TyLoweringContext<'a> { lifetime_elision: LifetimeElisionKind, } -impl<'a> TyLoweringContext<'a> { +impl<'db> TyLoweringContext<'db> { pub fn new( - db: &'a dyn HirDatabase, - resolver: &'a Resolver, - store: &'a ExpressionStore, + db: &'db dyn HirDatabase, + resolver: &'db Resolver<'db>, + store: &'db ExpressionStore, def: GenericDefId, lifetime_elision: LifetimeElisionKind, ) -> Self { @@ -1176,13 +1175,13 @@ where /// Generate implicit `: Sized` predicates for all generics that has no `?Sized` bound. /// Exception is Self of a trait def. -fn implicitly_sized_clauses<'a, 'subst: 'a>( - db: &dyn HirDatabase, +fn implicitly_sized_clauses<'db, 'a, 'subst: 'a>( + db: &'db dyn HirDatabase, def: GenericDefId, explicitly_unsized_tys: &'a FxHashSet<Ty>, substitution: &'subst Substitution, - resolver: &Resolver, -) -> Option<impl Iterator<Item = WhereClause> + Captures<'a> + Captures<'subst>> { + resolver: &Resolver<'db>, +) -> Option<impl Iterator<Item = WhereClause>> { let sized_trait = LangItem::Sized.resolve_trait(db, resolver.krate()).map(to_chalk_trait_id)?; let trait_self_idx = trait_self_param_idx(db, def); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs b/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs index 8e549ca0cbd..3b295d41e6e 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs @@ -10,7 +10,7 @@ use chalk_ir::{UniverseIndex, WithKind, cast::Cast}; use hir_def::{ AssocItemId, BlockId, ConstId, FunctionId, HasModule, ImplId, ItemContainerId, Lookup, ModuleId, TraitId, - nameres::{DefMap, assoc::ImplItems}, + nameres::{DefMap, assoc::ImplItems, block_def_map, crate_def_map}, signatures::{ConstFlags, EnumFlags, FnFlags, StructFlags, TraitFlags, TypeAliasFlags}, }; use hir_expand::name::Name; @@ -152,7 +152,7 @@ impl TraitImpls { let _p = tracing::info_span!("trait_impls_in_crate_query", ?krate).entered(); let mut impls = FxHashMap::default(); - Self::collect_def_map(db, &mut impls, &db.crate_def_map(krate)); + Self::collect_def_map(db, &mut impls, crate_def_map(db, krate)); Arc::new(Self::finish(impls)) } @@ -164,7 +164,7 @@ impl TraitImpls { let _p = tracing::info_span!("trait_impls_in_block_query").entered(); let mut impls = FxHashMap::default(); - Self::collect_def_map(db, &mut impls, &db.block_def_map(block)); + Self::collect_def_map(db, &mut impls, block_def_map(db, block)); if impls.is_empty() { None } else { Some(Arc::new(Self::finish(impls))) } } @@ -214,7 +214,7 @@ impl TraitImpls { for konst in module_data.scope.unnamed_consts() { let body = db.body(konst.into()); for (_, block_def_map) in body.blocks(db) { - Self::collect_def_map(db, map, &block_def_map); + Self::collect_def_map(db, map, block_def_map); } } } @@ -280,8 +280,8 @@ impl InherentImpls { let _p = tracing::info_span!("inherent_impls_in_crate_query", ?krate).entered(); let mut impls = Self { map: FxHashMap::default(), invalid_impls: Vec::default() }; - let crate_def_map = db.crate_def_map(krate); - impls.collect_def_map(db, &crate_def_map); + let crate_def_map = crate_def_map(db, krate); + impls.collect_def_map(db, crate_def_map); impls.shrink_to_fit(); Arc::new(impls) @@ -294,8 +294,8 @@ impl InherentImpls { let _p = tracing::info_span!("inherent_impls_in_block_query").entered(); let mut impls = Self { map: FxHashMap::default(), invalid_impls: Vec::default() }; - let block_def_map = db.block_def_map(block); - impls.collect_def_map(db, &block_def_map); + let block_def_map = block_def_map(db, block); + impls.collect_def_map(db, block_def_map); impls.shrink_to_fit(); if impls.map.is_empty() && impls.invalid_impls.is_empty() { @@ -337,7 +337,7 @@ impl InherentImpls { for konst in module_data.scope.unnamed_consts() { let body = db.body(konst.into()); for (_, block_def_map) in body.blocks(db) { - self.collect_def_map(db, &block_def_map); + self.collect_def_map(db, block_def_map); } } } @@ -1399,7 +1399,7 @@ fn iterate_inherent_methods( )?; } - block = db.block_def_map(block_id).parent().and_then(|module| module.containing_block()); + block = block_def_map(db, block_id).parent().and_then(|module| module.containing_block()); } for krate in def_crates { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs index 26ef95d264b..90c52ee96f1 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval/shim.rs @@ -5,6 +5,7 @@ use std::cmp::{self, Ordering}; use chalk_ir::TyKind; use hir_def::{ + CrateRootModuleId, builtin_type::{BuiltinInt, BuiltinUint}, resolver::HasResolver, }; @@ -153,7 +154,7 @@ impl Evaluator<'_> { ) -> Result<Option<FunctionId>> { // `PanicFmt` is redirected to `ConstPanicFmt` if let Some(LangItem::PanicFmt) = self.db.lang_attr(def.into()) { - let resolver = self.db.crate_def_map(self.crate_id).crate_root().resolver(self.db); + let resolver = CrateRootModuleId::from(self.crate_id).resolver(self.db); let Some(const_panic_fmt) = LangItem::ConstPanicFmt.resolve_function(self.db, resolver.krate()) @@ -1120,7 +1121,7 @@ impl Evaluator<'_> { // We don't call any drop glue yet, so there is nothing here Ok(()) } - "transmute" => { + "transmute" | "transmute_unchecked" => { let [arg] = args else { return Err(MirEvalError::InternalError( "transmute arg is not provided".into(), diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs index 7b48b15d9ea..e6caf2d8d97 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs @@ -25,7 +25,7 @@ use syntax::TextRange; use triomphe::Arc; use crate::{ - Adjust, Adjustment, AutoBorrow, CallableDefId, TyBuilder, TyExt, + Adjust, Adjustment, AutoBorrow, CallableDefId, TraitEnvironment, TyBuilder, TyExt, consteval::ConstEvalError, db::{HirDatabase, InternedClosure, InternedClosureId}, display::{DisplayTarget, HirDisplay, hir_display_with_store}, @@ -68,17 +68,18 @@ struct DropScope { locals: Vec<LocalId>, } -struct MirLowerCtx<'a> { +struct MirLowerCtx<'db> { result: MirBody, owner: DefWithBodyId, current_loop_blocks: Option<LoopBlocks>, labeled_loop_blocks: FxHashMap<LabelId, LoopBlocks>, discr_temp: Option<Place>, - db: &'a dyn HirDatabase, - body: &'a Body, - infer: &'a InferenceResult, - resolver: Resolver, + db: &'db dyn HirDatabase, + body: &'db Body, + infer: &'db InferenceResult, + resolver: Resolver<'db>, drop_scopes: Vec<DropScope>, + env: Arc<TraitEnvironment>, } // FIXME: Make this smaller, its stored in database queries @@ -288,6 +289,7 @@ impl<'ctx> MirLowerCtx<'ctx> { closures: vec![], }; let resolver = owner.resolver(db); + let env = db.trait_environment_for_body(owner); MirLowerCtx { result: mir, @@ -300,6 +302,7 @@ impl<'ctx> MirLowerCtx<'ctx> { labeled_loop_blocks: Default::default(), discr_temp: None, drop_scopes: vec![DropScope::default()], + env, } } @@ -944,10 +947,7 @@ impl<'ctx> MirLowerCtx<'ctx> { let cast_kind = if source_ty.as_reference().is_some() { CastKind::PointerCoercion(PointerCast::ArrayToPointer) } else { - let mut table = InferenceTable::new( - self.db, - self.db.trait_environment_for_body(self.owner), - ); + let mut table = InferenceTable::new(self.db, self.env.clone()); cast_kind(&mut table, &source_ty, &target_ty)? }; @@ -1412,11 +1412,8 @@ impl<'ctx> MirLowerCtx<'ctx> { } fn lower_literal_to_operand(&mut self, ty: Ty, l: &Literal) -> Result<Operand> { - let size = || { - self.db - .layout_of_ty(ty.clone(), self.db.trait_environment_for_body(self.owner)) - .map(|it| it.size.bytes_usize()) - }; + let size = + || self.db.layout_of_ty(ty.clone(), self.env.clone()).map(|it| it.size.bytes_usize()); const USIZE_SIZE: usize = size_of::<usize>(); let bytes: Box<[_]> = match l { hir_def::hir::Literal::String(b) => { @@ -1723,7 +1720,12 @@ impl<'ctx> MirLowerCtx<'ctx> { } fn is_uninhabited(&self, expr_id: ExprId) -> bool { - is_ty_uninhabited_from(self.db, &self.infer[expr_id], self.owner.module(self.db)) + is_ty_uninhabited_from( + self.db, + &self.infer[expr_id], + self.owner.module(self.db), + self.env.clone(), + ) } /// This function push `StorageLive` statement for the binding, and applies changes to add `StorageDead` and diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/test_db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/test_db.rs index bcd8aa6c4e9..d049c678e2d 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/test_db.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/test_db.rs @@ -7,7 +7,7 @@ use base_db::{ SourceRoot, SourceRootId, SourceRootInput, }; -use hir_def::{ModuleId, db::DefDatabase}; +use hir_def::{ModuleId, db::DefDatabase, nameres::crate_def_map}; use hir_expand::EditionedFileId; use rustc_hash::FxHashMap; use salsa::{AsDynDatabase, Durability}; @@ -27,9 +27,18 @@ pub(crate) struct TestDB { impl Default for TestDB { fn default() -> Self { + let events = <Arc<Mutex<Option<Vec<salsa::Event>>>>>::default(); let mut this = Self { - storage: Default::default(), - events: Default::default(), + storage: salsa::Storage::new(Some(Box::new({ + let events = events.clone(); + move |event| { + let mut events = events.lock().unwrap(); + if let Some(events) = &mut *events { + events.push(event); + } + } + }))), + events, files: Default::default(), crates_map: Default::default(), }; @@ -103,14 +112,7 @@ impl SourceDatabase for TestDB { } #[salsa_macros::db] -impl salsa::Database for TestDB { - fn salsa_event(&self, event: &dyn std::ops::Fn() -> salsa::Event) { - let mut events = self.events.lock().unwrap(); - if let Some(events) = &mut *events { - events.push(event()); - } - } -} +impl salsa::Database for TestDB {} impl panic::RefUnwindSafe for TestDB {} @@ -118,7 +120,7 @@ impl TestDB { pub(crate) fn module_for_file_opt(&self, file_id: impl Into<FileId>) -> Option<ModuleId> { let file_id = file_id.into(); for &krate in self.relevant_crates(file_id).iter() { - let crate_def_map = self.crate_def_map(krate); + let crate_def_map = crate_def_map(self, krate); for (local_id, data) in crate_def_map.modules() { if data.origin.file_id().map(|file_id| file_id.file_id(self)) == Some(file_id) { return Some(crate_def_map.module_id(local_id)); @@ -137,7 +139,7 @@ impl TestDB { ) -> FxHashMap<EditionedFileId, Vec<(TextRange, String)>> { let mut files = Vec::new(); for &krate in self.all_crates().iter() { - let crate_def_map = self.crate_def_map(krate); + let crate_def_map = crate_def_map(self, krate); for (module_id, _) in crate_def_map.modules() { let file_id = crate_def_map[module_id].origin.file_id(); files.extend(file_id) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs index cc37f65c26c..2b75bd6f160 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs @@ -132,7 +132,7 @@ fn check_impl( None => continue, }; let def_map = module.def_map(&db); - visit_module(&db, &def_map, module.local_id, &mut |it| { + visit_module(&db, def_map, module.local_id, &mut |it| { let def = match it { ModuleDefId::FunctionId(it) => it.into(), ModuleDefId::EnumVariantId(it) => it.into(), @@ -391,7 +391,7 @@ fn infer_with_mismatches(content: &str, include_mismatches: bool) -> String { let def_map = module.def_map(&db); let mut defs: Vec<(DefWithBodyId, Crate)> = Vec::new(); - visit_module(&db, &def_map, module.local_id, &mut |it| { + visit_module(&db, def_map, module.local_id, &mut |it| { let def = match it { ModuleDefId::FunctionId(it) => it.into(), ModuleDefId::EnumVariantId(it) => it.into(), @@ -504,7 +504,7 @@ pub(crate) fn visit_module( fn visit_body(db: &TestDB, body: &Body, cb: &mut dyn FnMut(ModuleDefId)) { for (_, def_map) in body.blocks(db) { for (mod_id, _) in def_map.modules() { - visit_module(db, &def_map, mod_id, cb); + visit_module(db, def_map, mod_id, cb); } } } @@ -570,7 +570,7 @@ fn salsa_bug() { let module = db.module_for_file(pos.file_id.file_id(&db)); let crate_def_map = module.def_map(&db); - visit_module(&db, &crate_def_map, module.local_id, &mut |def| { + visit_module(&db, crate_def_map, module.local_id, &mut |def| { db.infer(match def { ModuleDefId::FunctionId(it) => it.into(), ModuleDefId::EnumVariantId(it) => it.into(), @@ -609,7 +609,7 @@ fn salsa_bug() { let module = db.module_for_file(pos.file_id.file_id(&db)); let crate_def_map = module.def_map(&db); - visit_module(&db, &crate_def_map, module.local_id, &mut |def| { + visit_module(&db, crate_def_map, module.local_id, &mut |def| { db.infer(match def { ModuleDefId::FunctionId(it) => it.into(), ModuleDefId::EnumVariantId(it) => it.into(), diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/closure_captures.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/closure_captures.rs index 73f1ae56457..88d21be81ea 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/closure_captures.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/closure_captures.rs @@ -20,7 +20,7 @@ fn check_closure_captures(#[rust_analyzer::rust_fixture] ra_fixture: &str, expec let def_map = module.def_map(&db); let mut defs = Vec::new(); - visit_module(&db, &def_map, module.local_id, &mut |it| defs.push(it)); + visit_module(&db, def_map, module.local_id, &mut |it| defs.push(it)); let mut captures_info = Vec::new(); for def in defs { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs index 0542be0ba89..48474d2d26d 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/incremental.rs @@ -19,7 +19,7 @@ fn foo() -> i32 { let events = db.log_executed(|| { let module = db.module_for_file(pos.file_id.file_id(&db)); let crate_def_map = module.def_map(&db); - visit_module(&db, &crate_def_map, module.local_id, &mut |def| { + visit_module(&db, crate_def_map, module.local_id, &mut |def| { if let ModuleDefId::FunctionId(it) = def { db.infer(it.into()); } @@ -41,7 +41,7 @@ fn foo() -> i32 { let events = db.log_executed(|| { let module = db.module_for_file(pos.file_id.file_id(&db)); let crate_def_map = module.def_map(&db); - visit_module(&db, &crate_def_map, module.local_id, &mut |def| { + visit_module(&db, crate_def_map, module.local_id, &mut |def| { if let ModuleDefId::FunctionId(it) = def { db.infer(it.into()); } @@ -70,7 +70,7 @@ fn baz() -> i32 { let events = db.log_executed(|| { let module = db.module_for_file(pos.file_id.file_id(&db)); let crate_def_map = module.def_map(&db); - visit_module(&db, &crate_def_map, module.local_id, &mut |def| { + visit_module(&db, crate_def_map, module.local_id, &mut |def| { if let ModuleDefId::FunctionId(it) = def { db.infer(it.into()); } @@ -97,7 +97,7 @@ fn baz() -> i32 { let events = db.log_executed(|| { let module = db.module_for_file(pos.file_id.file_id(&db)); let crate_def_map = module.def_map(&db); - visit_module(&db, &crate_def_map, module.local_id, &mut |def| { + visit_module(&db, crate_def_map, module.local_id, &mut |def| { if let ModuleDefId::FunctionId(it) = def { db.infer(it.into()); } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/macros.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/macros.rs index 446f0b21a2a..ea7a113cae3 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/macros.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/macros.rs @@ -1505,6 +1505,10 @@ fn main() { !119..120 'o': i32 293..294 'o': i32 308..317 'thread_id': usize + !314..320 'OffPtr': usize + !333..338 'OffFn': usize + !354..355 '0': i32 + !371..382 'MEM_RELEASE': usize "#]], ) } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs index eeebe38f182..cf51671afb2 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs @@ -3902,3 +3902,66 @@ fn main() { "#]], ); } + +#[test] +fn regression_19734() { + check_infer( + r#" +trait Foo { + type Gat<'o>; +} + +trait Bar { + fn baz() -> <Self::Xyz as Foo::Gat<'_>>; +} + +fn foo<T: Bar>() { + T::baz(); +} + "#, + expect![[r#" + 110..127 '{ ...z(); }': () + 116..122 'T::baz': fn baz<T>() -> <{unknown} as Foo>::Gat<'?> + 116..124 'T::baz()': Foo::Gat<'?, {unknown}> + "#]], + ); +} + +#[test] +fn asm_const_label() { + check_infer( + r#" +//- minicore: asm +const fn bar() -> i32 { 123 } +fn baz(s: &str) {} + +fn foo() { + unsafe { + core::arch::asm!( + "mov eax, {}", + "jmp {}", + const bar(), + label { + baz("hello"); + }, + ); + } +} + "#, + expect![[r#" + 22..29 '{ 123 }': i32 + 24..27 '123': i32 + 37..38 's': &'? str + 46..48 '{}': () + !0..68 'builti...");},)': () + !40..43 'bar': fn bar() -> i32 + !40..45 'bar()': i32 + !51..66 '{baz("hello");}': () + !52..55 'baz': fn baz(&'? str) + !52..64 'baz("hello")': () + !56..63 '"hello"': &'static str + 59..257 '{ ... } }': () + 65..255 'unsafe... }': () + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs index 14137605c9f..e5d1fbe9def 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs @@ -4884,3 +4884,49 @@ async fn baz<T: AsyncFnOnce(u32) -> i32>(c: T) { "#]], ); } + +#[test] +fn import_trait_items() { + check_infer( + r#" +//- minicore: default +use core::default::Default::default; +fn main() { + let a: i32 = default(); +} + "#, + expect![[r#" + 47..78 '{ ...t(); }': () + 57..58 'a': i32 + 66..73 'default': {unknown} + 66..75 'default()': i32 + "#]], + ); +} + +#[test] +fn async_fn_return_type() { + check_infer( + r#" +//- minicore: async_fn +fn foo<F: AsyncFn() -> R, R>(_: F) -> R { + loop {} +} + +fn main() { + foo(async move || ()); +} + "#, + expect![[r#" + 29..30 '_': F + 40..55 '{ loop {} }': R + 46..53 'loop {}': ! + 51..53 '{}': () + 67..97 '{ ...()); }': () + 73..76 'foo': fn foo<impl AsyncFn() -> impl Future<Output = ()>, ()>(impl AsyncFn() -> impl Future<Output = ()>) + 73..94 'foo(as...|| ())': () + 77..93 'async ... || ()': impl AsyncFn() -> impl Future<Output = ()> + 91..93 '()': () + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs b/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs index f9f8776cff7..7414b4fc607 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs @@ -291,4 +291,9 @@ impl FnTrait { pub fn get_id(self, db: &dyn HirDatabase, krate: Crate) -> Option<TraitId> { self.lang_item().resolve_trait(db, krate) } + + #[inline] + pub(crate) fn is_async(self) -> bool { + matches!(self, FnTrait::AsyncFn | FnTrait::AsyncFnMut | FnTrait::AsyncFnOnce) + } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs b/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs index 6e1cd9a310f..d6b43aeed4d 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs @@ -984,7 +984,7 @@ struct FixedPoint<T, U, V>(&'static FixedPoint<(), T, U>, V); let mut defs: Vec<GenericDefId> = Vec::new(); let module = db.module_for_file_opt(file_id.file_id(&db)).unwrap(); let def_map = module.def_map(&db); - crate::tests::visit_module(&db, &def_map, module.local_id, &mut |it| { + crate::tests::visit_module(&db, def_map, module.local_id, &mut |it| { defs.push(match it { ModuleDefId::FunctionId(it) => it.into(), ModuleDefId::AdtId(it) => it.into(), diff --git a/src/tools/rust-analyzer/crates/hir/src/attrs.rs b/src/tools/rust-analyzer/crates/hir/src/attrs.rs index b1c478d1bf4..b1cf30b98f5 100644 --- a/src/tools/rust-analyzer/crates/hir/src/attrs.rs +++ b/src/tools/rust-analyzer/crates/hir/src/attrs.rs @@ -105,11 +105,12 @@ impl HasAttrs for crate::Crate { /// Resolves the item `link` points to in the scope of `def`. pub fn resolve_doc_path_on( db: &dyn HirDatabase, - def: impl HasAttrs, + def: impl HasAttrs + Copy, link: &str, ns: Option<Namespace>, + is_inner_doc: bool, ) -> Option<DocLinkDef> { - resolve_doc_path_on_(db, link, def.attr_id(), ns) + resolve_doc_path_on_(db, link, def.attr_id(), ns, is_inner_doc) } fn resolve_doc_path_on_( @@ -117,9 +118,18 @@ fn resolve_doc_path_on_( link: &str, attr_id: AttrDefId, ns: Option<Namespace>, + is_inner_doc: bool, ) -> Option<DocLinkDef> { let resolver = match attr_id { - AttrDefId::ModuleId(it) => it.resolver(db), + AttrDefId::ModuleId(it) => { + if is_inner_doc { + it.resolver(db) + } else if let Some(parent) = Module::from(it).parent(db) { + parent.id.resolver(db) + } else { + it.resolver(db) + } + } AttrDefId::FieldId(it) => it.parent.resolver(db), AttrDefId::AdtId(it) => it.resolver(db), AttrDefId::FunctionId(it) => it.resolver(db), @@ -160,7 +170,7 @@ fn resolve_doc_path_on_( fn resolve_assoc_or_field( db: &dyn HirDatabase, - resolver: Resolver, + resolver: Resolver<'_>, path: ModPath, name: Name, ns: Option<Namespace>, @@ -248,7 +258,7 @@ fn resolve_assoc_item( fn resolve_impl_trait_item( db: &dyn HirDatabase, - resolver: Resolver, + resolver: Resolver<'_>, ty: &Type, name: &Name, ns: Option<Namespace>, diff --git a/src/tools/rust-analyzer/crates/hir/src/lib.rs b/src/tools/rust-analyzer/crates/hir/src/lib.rs index 3f1d5bb01f2..e8218cf8611 100644 --- a/src/tools/rust-analyzer/crates/hir/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir/src/lib.rs @@ -97,7 +97,8 @@ pub use crate::{ diagnostics::*, has_source::HasSource, semantics::{ - PathResolution, Semantics, SemanticsImpl, SemanticsScope, TypeInfo, VisibleTraits, + PathResolution, PathResolutionPerNs, Semantics, SemanticsImpl, SemanticsScope, TypeInfo, + VisibleTraits, }, }; @@ -119,7 +120,7 @@ pub use { find_path::PrefixKind, import_map, lang_item::LangItem, - nameres::{DefMap, ModuleSource}, + nameres::{DefMap, ModuleSource, crate_def_map}, per_ns::Namespace, type_ref::{Mutability, TypeRef}, visibility::Visibility, @@ -227,7 +228,7 @@ impl Crate { } pub fn modules(self, db: &dyn HirDatabase) -> Vec<Module> { - let def_map = db.crate_def_map(self.id); + let def_map = crate_def_map(db, self.id); def_map.modules().map(|(id, _)| def_map.module_id(id).into()).collect() } @@ -528,7 +529,7 @@ impl Module { /// might be missing `krate`. This can happen if a module's file is not included /// in the module tree of any target in `Cargo.toml`. pub fn crate_root(self, db: &dyn HirDatabase) -> Module { - let def_map = db.crate_def_map(self.id.krate()); + let def_map = crate_def_map(db, self.id.krate()); Module { id: def_map.crate_root().into() } } @@ -2468,7 +2469,7 @@ impl Function { { return None; } - let def_map = db.crate_def_map(HasModule::krate(&self.id, db)); + let def_map = crate_def_map(db, HasModule::krate(&self.id, db)); def_map.fn_as_proc_macro(self.id).map(|id| Macro { id: id.into() }) } @@ -4015,8 +4016,7 @@ impl BuiltinAttr { if let builtin @ Some(_) = Self::builtin(name) { return builtin; } - let idx = db - .crate_def_map(krate.id) + let idx = crate_def_map(db, krate.id) .registered_attrs() .iter() .position(|it| it.as_str() == name)? as u32; @@ -4031,7 +4031,7 @@ impl BuiltinAttr { pub fn name(&self, db: &dyn HirDatabase) -> Name { match self.krate { Some(krate) => Name::new_symbol_root( - db.crate_def_map(krate).registered_attrs()[self.idx as usize].clone(), + crate_def_map(db, krate).registered_attrs()[self.idx as usize].clone(), ), None => Name::new_symbol_root(Symbol::intern( hir_expand::inert_attr_macro::INERT_ATTRIBUTES[self.idx as usize].name, @@ -4059,14 +4059,14 @@ impl ToolModule { pub(crate) fn by_name(db: &dyn HirDatabase, krate: Crate, name: &str) -> Option<Self> { let krate = krate.id; let idx = - db.crate_def_map(krate).registered_tools().iter().position(|it| it.as_str() == name)? + crate_def_map(db, krate).registered_tools().iter().position(|it| it.as_str() == name)? as u32; Some(ToolModule { krate, idx }) } pub fn name(&self, db: &dyn HirDatabase) -> Name { Name::new_symbol_root( - db.crate_def_map(self.krate).registered_tools()[self.idx as usize].clone(), + crate_def_map(db, self.krate).registered_tools()[self.idx as usize].clone(), ) } @@ -4488,7 +4488,7 @@ impl Impl { MacroCallKind::Derive { ast_id, derive_attr_index, derive_index, .. } => { let module_id = self.id.lookup(db).container; ( - db.crate_def_map(module_id.krate())[module_id.local_id] + crate_def_map(db, module_id.krate())[module_id.local_id] .scope .derive_macro_invoc(ast_id, derive_attr_index)?, derive_index, @@ -4530,7 +4530,7 @@ pub struct TraitRef { impl TraitRef { pub(crate) fn new_with_resolver( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, trait_ref: hir_ty::TraitRef, ) -> TraitRef { let env = resolver @@ -4752,13 +4752,13 @@ pub struct Type { } impl Type { - pub(crate) fn new_with_resolver(db: &dyn HirDatabase, resolver: &Resolver, ty: Ty) -> Type { + pub(crate) fn new_with_resolver(db: &dyn HirDatabase, resolver: &Resolver<'_>, ty: Ty) -> Type { Type::new_with_resolver_inner(db, resolver, ty) } pub(crate) fn new_with_resolver_inner( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, ty: Ty, ) -> Type { let environment = resolver @@ -5972,6 +5972,59 @@ impl Layout { } } + pub fn tail_padding(&self, field_size: &mut impl FnMut(usize) -> Option<u64>) -> Option<u64> { + match self.0.fields { + layout::FieldsShape::Primitive => None, + layout::FieldsShape::Union(_) => None, + layout::FieldsShape::Array { stride, count } => count.checked_sub(1).and_then(|tail| { + let tail_field_size = field_size(tail as usize)?; + let offset = stride.bytes() * tail; + self.0.size.bytes().checked_sub(offset)?.checked_sub(tail_field_size) + }), + layout::FieldsShape::Arbitrary { ref offsets, ref memory_index } => { + let tail = memory_index.last_index()?; + let tail_field_size = field_size(tail.0.into_raw().into_u32() as usize)?; + let offset = offsets.get(tail)?.bytes(); + self.0.size.bytes().checked_sub(offset)?.checked_sub(tail_field_size) + } + } + } + + pub fn largest_padding( + &self, + field_size: &mut impl FnMut(usize) -> Option<u64>, + ) -> Option<u64> { + match self.0.fields { + layout::FieldsShape::Primitive => None, + layout::FieldsShape::Union(_) => None, + layout::FieldsShape::Array { stride: _, count: 0 } => None, + layout::FieldsShape::Array { stride, .. } => { + let size = field_size(0)?; + stride.bytes().checked_sub(size) + } + layout::FieldsShape::Arbitrary { ref offsets, ref memory_index } => { + let mut reverse_index = vec![None; memory_index.len()]; + for (src, (mem, offset)) in memory_index.iter().zip(offsets.iter()).enumerate() { + reverse_index[*mem as usize] = Some((src, offset.bytes())); + } + if reverse_index.iter().any(|it| it.is_none()) { + stdx::never!(); + return None; + } + reverse_index + .into_iter() + .flatten() + .chain(std::iter::once((0, self.0.size.bytes()))) + .tuple_windows() + .filter_map(|((i, start), (_, end))| { + let size = field_size(i)?; + end.checked_sub(start)?.checked_sub(size) + }) + .max() + } + } + } + pub fn enum_tag_size(&self) -> Option<usize> { let tag_size = if let layout::Variants::Multiple { tag, tag_encoding, .. } = &self.0.variants { @@ -6400,7 +6453,7 @@ pub fn resolve_absolute_path<'a, I: Iterator<Item = Symbol> + Clone + 'a>( }) .filter_map(|&krate| { let segments = segments.clone(); - let mut def_map = db.crate_def_map(krate); + let mut def_map = crate_def_map(db, krate); let mut module = &def_map[DefMap::ROOT]; let mut segments = segments.with_position().peekable(); while let Some((_, segment)) = segments.next_if(|&(position, _)| { diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics.rs b/src/tools/rust-analyzer/crates/hir/src/semantics.rs index 4d092c1f0bb..aea22545ed5 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics.rs @@ -15,7 +15,7 @@ use hir_def::{ DefWithBodyId, FunctionId, MacroId, StructId, TraitId, VariantId, expr_store::{Body, ExprOrPatSource, path::Path}, hir::{BindingId, Expr, ExprId, ExprOrPatId, Pat}, - nameres::ModuleOrigin, + nameres::{ModuleOrigin, crate_def_map}, resolver::{self, HasResolver, Resolver, TypeNs}, type_ref::Mutability, }; @@ -103,6 +103,26 @@ impl PathResolution { } } +#[derive(Debug, Copy, Clone, PartialEq, Eq)] +pub struct PathResolutionPerNs { + pub type_ns: Option<PathResolution>, + pub value_ns: Option<PathResolution>, + pub macro_ns: Option<PathResolution>, +} + +impl PathResolutionPerNs { + pub fn new( + type_ns: Option<PathResolution>, + value_ns: Option<PathResolution>, + macro_ns: Option<PathResolution>, + ) -> Self { + PathResolutionPerNs { type_ns, value_ns, macro_ns } + } + pub fn any(&self) -> Option<PathResolution> { + self.type_ns.or(self.value_ns).or(self.macro_ns) + } +} + #[derive(Debug)] pub struct TypeInfo { /// The original type of the expression or pattern. @@ -127,7 +147,7 @@ impl TypeInfo { } /// Primary API to get semantic information, like types, from syntax trees. -pub struct Semantics<'db, DB> { +pub struct Semantics<'db, DB: ?Sized> { pub db: &'db DB, imp: SemanticsImpl<'db>, } @@ -341,7 +361,7 @@ impl<'db> SemanticsImpl<'db> { match file_id { HirFileId::FileId(file_id) => { let module = self.file_to_module_defs(file_id.file_id(self.db)).next()?; - let def_map = self.db.crate_def_map(module.krate().id); + let def_map = crate_def_map(self.db, module.krate().id); match def_map[module.id.local_id].origin { ModuleOrigin::CrateRoot { .. } => None, ModuleOrigin::File { declaration, declaration_tree_id, .. } => { @@ -387,14 +407,10 @@ impl<'db> SemanticsImpl<'db> { res } - pub fn expand_macro_call(&self, macro_call: &ast::MacroCall) -> Option<SyntaxNode> { - let sa = self.analyze_no_infer(macro_call.syntax())?; - - let macro_call = InFile::new(sa.file_id, macro_call); - let file_id = sa.expand(self.db, macro_call)?; - + pub fn expand_macro_call(&self, macro_call: &ast::MacroCall) -> Option<InFile<SyntaxNode>> { + let file_id = self.to_def(macro_call)?; let node = self.parse_or_expand(file_id.into()); - Some(node) + Some(InFile::new(file_id.into(), node)) } pub fn check_cfg_attr(&self, attr: &ast::TokenTree) -> Option<bool> { @@ -414,10 +430,7 @@ impl<'db> SemanticsImpl<'db> { &self, macro_call: &ast::MacroCall, ) -> Option<ExpandResult<SyntaxNode>> { - let sa = self.analyze_no_infer(macro_call.syntax())?; - - let macro_call = InFile::new(sa.file_id, macro_call); - let file_id = sa.expand(self.db, macro_call)?; + let file_id = self.to_def(macro_call)?; let macro_call = self.db.lookup_intern_macro_call(file_id); let skip = matches!( @@ -448,10 +461,10 @@ impl<'db> SemanticsImpl<'db> { } /// If `item` has an attribute macro attached to it, expands it. - pub fn expand_attr_macro(&self, item: &ast::Item) -> Option<ExpandResult<SyntaxNode>> { + pub fn expand_attr_macro(&self, item: &ast::Item) -> Option<ExpandResult<InFile<SyntaxNode>>> { let src = self.wrap_node_infile(item.clone()); let macro_call_id = self.with_ctx(|ctx| ctx.item_to_macro_call(src.as_ref()))?; - Some(self.expand(macro_call_id)) + Some(self.expand(macro_call_id).map(|it| InFile::new(macro_call_id.into(), it))) } pub fn expand_derive_as_pseudo_attr_macro(&self, attr: &ast::Attr) -> Option<SyntaxNode> { @@ -554,9 +567,7 @@ impl<'db> SemanticsImpl<'db> { speculative_args: &ast::TokenTree, token_to_map: SyntaxToken, ) -> Option<(SyntaxNode, Vec<(SyntaxToken, u8)>)> { - let analyzer = self.analyze_no_infer(actual_macro_call.syntax())?; - let macro_call = InFile::new(analyzer.file_id, actual_macro_call); - let macro_file = analyzer.expansion(macro_call)?; + let macro_file = self.to_def(actual_macro_call)?; hir_expand::db::expand_speculative( self.db, macro_file, @@ -758,6 +769,31 @@ impl<'db> SemanticsImpl<'db> { }) } + /// Descends the token into the include expansion, if its file is an included file. + pub fn descend_token_into_include_expansion( + &self, + tok: InRealFile<SyntaxToken>, + ) -> InFile<SyntaxToken> { + let Some(include) = + self.s2d_cache.borrow_mut().get_or_insert_include_for(self.db, tok.file_id) + else { + return tok.into(); + }; + let span = self.db.real_span_map(tok.file_id).span_for_range(tok.value.text_range()); + let Some(InMacroFile { file_id, value: mut mapped_tokens }) = self.with_ctx(|ctx| { + Some( + ctx.cache + .get_or_insert_expansion(ctx.db, include) + .map_range_down(span)? + .map(SmallVec::<[_; 2]>::from_iter), + ) + }) else { + return tok.into(); + }; + // We should only get one result at most + mapped_tokens.pop().map_or_else(|| tok.into(), |(tok, _)| InFile::new(file_id.into(), tok)) + } + /// Maps a node down by mapping its first and last token down. pub fn descend_node_into_attributes<N: AstNode>(&self, node: N) -> SmallVec<[N; 1]> { // This might not be the correct way to do this, but it works for now @@ -826,49 +862,35 @@ impl<'db> SemanticsImpl<'db> { res } - // FIXME: This isn't quite right wrt to inner attributes - /// Does a syntactic traversal to check whether this token might be inside a macro call - pub fn might_be_inside_macro_call(&self, token: &SyntaxToken) -> bool { - token.parent_ancestors().any(|ancestor| { + pub fn is_inside_macro_call(&self, token: InFile<&SyntaxToken>) -> bool { + // FIXME: Maybe `ancestors_with_macros()` is more suitable here? Currently + // this is only used on real (not macro) files so this is not a problem. + token.value.parent_ancestors().any(|ancestor| { if ast::MacroCall::can_cast(ancestor.kind()) { return true; } - // Check if it is an item (only items can have macro attributes) that has a non-builtin attribute. - let Some(item) = ast::Item::cast(ancestor) else { return false }; - item.attrs().any(|attr| { - let Some(meta) = attr.meta() else { return false }; - let Some(path) = meta.path() else { return false }; - if let Some(attr_name) = path.as_single_name_ref() { - let attr_name = attr_name.text(); - let attr_name = Symbol::intern(attr_name.as_str()); - if attr_name == sym::derive { - return true; - } - // We ignore `#[test]` and friends in the def map, so we cannot expand them. - // FIXME: We match by text. This is both hacky and incorrect (people can, and do, create - // other macros named `test`). We cannot fix that unfortunately because we use this method - // for speculative expansion in completion, which we cannot analyze. Fortunately, most macros - // named `test` are test-like, meaning their expansion is not terribly important for IDE. - if attr_name == sym::test - || attr_name == sym::bench - || attr_name == sym::test_case - || find_builtin_attr_idx(&attr_name).is_some() - { - return false; - } - } - let mut segments = path.segments(); - let mut next_segment_text = || segments.next().and_then(|it| it.name_ref()); - // `#[core::prelude::rust_2024::test]` or `#[std::prelude::rust_2024::test]`. - if next_segment_text().is_some_and(|it| matches!(&*it.text(), "core" | "std")) - && next_segment_text().is_some_and(|it| it.text() == "prelude") - && next_segment_text().is_some() - && next_segment_text() - .is_some_and(|it| matches!(&*it.text(), "test" | "bench" | "test_case")) - { - return false; + + let Some(item) = ast::Item::cast(ancestor) else { + return false; + }; + // Optimization to skip the semantic check. + if item.attrs().all(|attr| { + attr.simple_name() + .is_some_and(|attr| find_builtin_attr_idx(&Symbol::intern(&attr)).is_some()) + }) { + return false; + } + self.with_ctx(|ctx| { + if ctx.item_to_macro_call(token.with_value(&item)).is_some() { + return true; } - true + let adt = match item { + ast::Item::Struct(it) => it.into(), + ast::Item::Enum(it) => it.into(), + ast::Item::Union(it) => it.into(), + _ => return false, + }; + ctx.has_derives(token.with_value(&adt)) }) }) } @@ -1091,16 +1113,7 @@ impl<'db> SemanticsImpl<'db> { let file_id = match m_cache.get(&mcall) { Some(&it) => it, None => { - let it = token - .parent() - .and_then(|parent| { - self.analyze_impl( - InFile::new(expansion, &parent), - None, - false, - ) - })? - .expand(self.db, mcall.as_ref())?; + let it = ast::MacroCall::to_def(self, mcall.as_ref())?; m_cache.insert(mcall, it); it } @@ -1540,14 +1553,9 @@ impl<'db> SemanticsImpl<'db> { } pub fn resolve_macro_call2(&self, macro_call: InFile<&ast::MacroCall>) -> Option<Macro> { - self.with_ctx(|ctx| { - ctx.macro_call_to_macro_call(macro_call) - .and_then(|call| macro_call_to_macro_id(ctx, call)) - .map(Into::into) - }) - .or_else(|| { - self.analyze(macro_call.value.syntax())?.resolve_macro_call(self.db, macro_call) - }) + self.to_def2(macro_call) + .and_then(|call| self.with_ctx(|ctx| macro_call_to_macro_id(ctx, call))) + .map(Into::into) } pub fn is_proc_macro_call(&self, macro_call: InFile<&ast::MacroCall>) -> bool { @@ -1556,14 +1564,8 @@ impl<'db> SemanticsImpl<'db> { } pub fn resolve_macro_call_arm(&self, macro_call: &ast::MacroCall) -> Option<u32> { - let sa = self.analyze(macro_call.syntax())?; - self.db - .parse_macro_expansion( - sa.expand(self.db, self.wrap_node_infile(macro_call.clone()).as_ref())?, - ) - .value - .1 - .matched_arm + let file_id = self.to_def(macro_call)?; + self.db.parse_macro_expansion(file_id).value.1.matched_arm } pub fn get_unsafe_ops(&self, def: DefWithBody) -> FxHashSet<ExprOrPatSource> { @@ -1606,6 +1608,10 @@ impl<'db> SemanticsImpl<'db> { self.resolve_path_with_subst(path).map(|(it, _)| it) } + pub fn resolve_path_per_ns(&self, path: &ast::Path) -> Option<PathResolutionPerNs> { + self.analyze(path.syntax())?.resolve_hir_path_per_ns(self.db, path) + } + pub fn resolve_path_with_subst( &self, path: &ast::Path, @@ -1664,6 +1670,10 @@ impl<'db> SemanticsImpl<'db> { T::to_def(self, src) } + pub fn to_def2<T: ToDef>(&self, src: InFile<&T>) -> Option<T::Def> { + T::to_def(self, src) + } + fn file_to_module_defs(&self, file: FileId) -> impl Iterator<Item = Module> { self.with_ctx(|ctx| ctx.file_to_def(file).to_owned()).into_iter().map(Module::from) } @@ -1711,13 +1721,13 @@ impl<'db> SemanticsImpl<'db> { } /// Returns none if the file of the node is not part of a crate. - fn analyze(&self, node: &SyntaxNode) -> Option<SourceAnalyzer> { + fn analyze(&self, node: &SyntaxNode) -> Option<SourceAnalyzer<'db>> { let node = self.find_file(node); self.analyze_impl(node, None, true) } /// Returns none if the file of the node is not part of a crate. - fn analyze_no_infer(&self, node: &SyntaxNode) -> Option<SourceAnalyzer> { + fn analyze_no_infer(&self, node: &SyntaxNode) -> Option<SourceAnalyzer<'db>> { let node = self.find_file(node); self.analyze_impl(node, None, false) } @@ -1726,7 +1736,7 @@ impl<'db> SemanticsImpl<'db> { &self, node: &SyntaxNode, offset: TextSize, - ) -> Option<SourceAnalyzer> { + ) -> Option<SourceAnalyzer<'db>> { let node = self.find_file(node); self.analyze_impl(node, Some(offset), false) } @@ -1737,7 +1747,7 @@ impl<'db> SemanticsImpl<'db> { offset: Option<TextSize>, // replace this, just make the inference result a `LazyCell` infer_body: bool, - ) -> Option<SourceAnalyzer> { + ) -> Option<SourceAnalyzer<'db>> { let _p = tracing::info_span!("SemanticsImpl::analyze_impl").entered(); let container = self.with_ctx(|ctx| ctx.find_container(node))?; @@ -1984,13 +1994,13 @@ fn find_root(node: &SyntaxNode) -> SyntaxNode { /// Note that if you are wondering "what does this specific existing name mean?", /// you'd better use the `resolve_` family of methods. #[derive(Debug)] -pub struct SemanticsScope<'a> { - pub db: &'a dyn HirDatabase, +pub struct SemanticsScope<'db> { + pub db: &'db dyn HirDatabase, file_id: HirFileId, - resolver: Resolver, + resolver: Resolver<'db>, } -impl SemanticsScope<'_> { +impl<'db> SemanticsScope<'db> { pub fn module(&self) -> Module { Module { id: self.resolver.module() } } @@ -2006,7 +2016,7 @@ impl SemanticsScope<'_> { }) } - pub(crate) fn resolver(&self) -> &Resolver { + pub(crate) fn resolver(&self) -> &Resolver<'db> { &self.resolver } @@ -2133,7 +2143,7 @@ impl ops::Deref for VisibleTraits { struct RenameConflictsVisitor<'a> { db: &'a dyn HirDatabase, owner: DefWithBodyId, - resolver: Resolver, + resolver: Resolver<'a>, body: &'a Body, to_be_renamed: BindingId, new_name: Symbol, diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs b/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs index 9393d08ad3f..6accf9b2e9c 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics/child_by_source.rs @@ -36,9 +36,14 @@ impl ChildBySource for TraitId { fn child_by_source_to(&self, db: &dyn DefDatabase, res: &mut DynMap, file_id: HirFileId) { let data = db.trait_items(*self); - data.attribute_calls().filter(|(ast_id, _)| ast_id.file_id == file_id).for_each( + data.macro_calls().filter(|(ast_id, _)| ast_id.file_id == file_id).for_each( |(ast_id, call_id)| { - res[keys::ATTR_MACRO_CALL].insert(ast_id.to_ptr(db), call_id); + let ptr = ast_id.to_ptr(db); + if let Some(ptr) = ptr.cast::<ast::MacroCall>() { + res[keys::MACRO_CALL].insert(ptr, call_id); + } else { + res[keys::ATTR_MACRO_CALL].insert(ptr, call_id); + } }, ); data.items.iter().for_each(|&(_, item)| { @@ -50,10 +55,14 @@ impl ChildBySource for TraitId { impl ChildBySource for ImplId { fn child_by_source_to(&self, db: &dyn DefDatabase, res: &mut DynMap, file_id: HirFileId) { let data = db.impl_items(*self); - // FIXME: Macro calls - data.attribute_calls().filter(|(ast_id, _)| ast_id.file_id == file_id).for_each( + data.macro_calls().filter(|(ast_id, _)| ast_id.file_id == file_id).for_each( |(ast_id, call_id)| { - res[keys::ATTR_MACRO_CALL].insert(ast_id.to_ptr(db), call_id); + let ptr = ast_id.to_ptr(db); + if let Some(ptr) = ptr.cast::<ast::MacroCall>() { + res[keys::MACRO_CALL].insert(ptr, call_id); + } else { + res[keys::ATTR_MACRO_CALL].insert(ptr, call_id); + } }, ); data.items.iter().for_each(|&(_, item)| { diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs b/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs index 587c51d8cc9..7f6c9af4740 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs @@ -96,6 +96,7 @@ use hir_def::{ keys::{self, Key}, }, hir::{BindingId, Expr, LabelId}, + nameres::{block_def_map, crate_def_map}, }; use hir_expand::{ EditionedFileId, ExpansionInfo, HirFileId, InMacroFile, MacroCallId, attrs::AttrId, @@ -180,7 +181,7 @@ impl SourceToDefCtx<'_, '_> { for &crate_id in self.db.relevant_crates(file).iter() { // Note: `mod` declarations in block modules cannot be supported here - let crate_def_map = self.db.crate_def_map(crate_id); + let crate_def_map = crate_def_map(self.db, crate_id); let n_mods = mods.len(); let modules = |file| { crate_def_map @@ -226,7 +227,7 @@ impl SourceToDefCtx<'_, '_> { let parent_module = match parent_declaration { Some(Either::Right(parent_block)) => self .block_to_def(parent_block.as_ref()) - .map(|block| self.db.block_def_map(block).root_module_id()), + .map(|block| block_def_map(self.db, block).root_module_id()), Some(Either::Left(parent_declaration)) => { self.module_to_def(parent_declaration.as_ref()) } @@ -398,19 +399,6 @@ impl SourceToDefCtx<'_, '_> { Some((container, label?)) } - pub(super) fn item_to_macro_call(&mut self, src: InFile<&ast::Item>) -> Option<MacroCallId> { - let map = self.dyn_map(src)?; - map[keys::ATTR_MACRO_CALL].get(&AstPtr::new(src.value)).copied() - } - - pub(super) fn macro_call_to_macro_call( - &mut self, - src: InFile<&ast::MacroCall>, - ) -> Option<MacroCallId> { - let map = self.dyn_map(src)?; - map[keys::MACRO_CALL].get(&AstPtr::new(src.value)).copied() - } - /// (AttrId, derive attribute call id, derive call ids) pub(super) fn attr_to_derive_macro_call( &mut self, @@ -448,6 +436,17 @@ impl SourceToDefCtx<'_, '_> { .or_insert_with(|| container.child_by_source(db, file_id)) } + pub(super) fn item_to_macro_call(&mut self, src: InFile<&ast::Item>) -> Option<MacroCallId> { + self.to_def(src, keys::ATTR_MACRO_CALL) + } + + pub(super) fn macro_call_to_macro_call( + &mut self, + src: InFile<&ast::MacroCall>, + ) -> Option<MacroCallId> { + self.to_def(src, keys::MACRO_CALL) + } + pub(super) fn type_param_to_def( &mut self, src: InFile<&ast::TypeParam>, diff --git a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs index c1a75ce7e57..d22812d3c69 100644 --- a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs +++ b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs @@ -10,7 +10,9 @@ use std::iter::{self, once}; use crate::{ Adt, AssocItem, BindingMode, BuiltinAttr, BuiltinType, Callable, Const, DeriveHelper, Field, Function, GenericSubstitution, Local, Macro, ModuleDef, Static, Struct, ToolModule, Trait, - TraitAlias, TupleField, Type, TypeAlias, Variant, db::HirDatabase, semantics::PathResolution, + TraitAlias, TupleField, Type, TypeAlias, Variant, + db::HirDatabase, + semantics::{PathResolution, PathResolutionPerNs}, }; use either::Either; use hir_def::{ @@ -29,7 +31,7 @@ use hir_def::{ type_ref::{Mutability, TypeRefId}, }; use hir_expand::{ - HirFileId, InFile, MacroCallId, + HirFileId, InFile, mod_path::{ModPath, PathKind, path}, name::{AsName, Name}, }; @@ -57,9 +59,9 @@ use triomphe::Arc; /// `SourceAnalyzer` is a convenience wrapper which exposes HIR API in terms of /// original source files. It should not be used inside the HIR itself. #[derive(Debug)] -pub(crate) struct SourceAnalyzer { +pub(crate) struct SourceAnalyzer<'db> { pub(crate) file_id: HirFileId, - pub(crate) resolver: Resolver, + pub(crate) resolver: Resolver<'db>, pub(crate) body_or_sig: Option<BodyOrSig>, } @@ -85,32 +87,32 @@ pub(crate) enum BodyOrSig { }, } -impl SourceAnalyzer { +impl<'db> SourceAnalyzer<'db> { pub(crate) fn new_for_body( - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, def: DefWithBodyId, node: InFile<&SyntaxNode>, offset: Option<TextSize>, - ) -> SourceAnalyzer { + ) -> SourceAnalyzer<'db> { Self::new_for_body_(db, def, node, offset, Some(db.infer(def))) } pub(crate) fn new_for_body_no_infer( - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, def: DefWithBodyId, node: InFile<&SyntaxNode>, offset: Option<TextSize>, - ) -> SourceAnalyzer { + ) -> SourceAnalyzer<'db> { Self::new_for_body_(db, def, node, offset, None) } pub(crate) fn new_for_body_( - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, def: DefWithBodyId, node @ InFile { file_id, .. }: InFile<&SyntaxNode>, offset: Option<TextSize>, infer: Option<Arc<InferenceResult>>, - ) -> SourceAnalyzer { + ) -> SourceAnalyzer<'db> { let (body, source_map) = db.body_with_source_map(def); let scopes = db.expr_scopes(def); let scope = match offset { @@ -134,11 +136,11 @@ impl SourceAnalyzer { } pub(crate) fn new_generic_def( - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, def: GenericDefId, InFile { file_id, .. }: InFile<&SyntaxNode>, _offset: Option<TextSize>, - ) -> SourceAnalyzer { + ) -> SourceAnalyzer<'db> { let (_params, store, source_map) = db.generic_params_and_store_and_source_map(def); let resolver = def.resolver(db); SourceAnalyzer { @@ -149,11 +151,11 @@ impl SourceAnalyzer { } pub(crate) fn new_variant_body( - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, def: VariantId, InFile { file_id, .. }: InFile<&SyntaxNode>, _offset: Option<TextSize>, - ) -> SourceAnalyzer { + ) -> SourceAnalyzer<'db> { let (fields, source_map) = db.variant_fields_with_source_map(def); let resolver = def.resolver(db); SourceAnalyzer { @@ -168,9 +170,9 @@ impl SourceAnalyzer { } pub(crate) fn new_for_resolver( - resolver: Resolver, + resolver: Resolver<'db>, node: InFile<&SyntaxNode>, - ) -> SourceAnalyzer { + ) -> SourceAnalyzer<'db> { SourceAnalyzer { resolver, body_or_sig: None, file_id: node.file_id } } @@ -216,11 +218,7 @@ impl SourceAnalyzer { }) } - pub(crate) fn expansion(&self, node: InFile<&ast::MacroCall>) -> Option<MacroCallId> { - self.store_sm()?.expansion(node) - } - - fn trait_environment(&self, db: &dyn HirDatabase) -> Arc<TraitEnvironment> { + fn trait_environment(&self, db: &'db dyn HirDatabase) -> Arc<TraitEnvironment> { self.body_().map(|(def, ..)| def).map_or_else( || TraitEnvironment::empty(self.resolver.krate()), |def| db.trait_environment_for_body(def), @@ -259,7 +257,7 @@ impl SourceAnalyzer { infer.expr_adjustments.get(&expr_id).map(|v| &**v) } - pub(crate) fn type_of_type(&self, db: &dyn HirDatabase, ty: &ast::Type) -> Option<Type> { + pub(crate) fn type_of_type(&self, db: &'db dyn HirDatabase, ty: &ast::Type) -> Option<Type> { let type_ref = self.type_id(ty)?; let ty = TyLoweringContext::new( db, @@ -277,7 +275,7 @@ impl SourceAnalyzer { pub(crate) fn type_of_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, expr: &ast::Expr, ) -> Option<(Type, Option<Type>)> { let expr_id = self.expr_id(expr.clone())?; @@ -293,7 +291,7 @@ impl SourceAnalyzer { pub(crate) fn type_of_pat( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, pat: &ast::Pat, ) -> Option<(Type, Option<Type>)> { let expr_or_pat_id = self.pat_id(pat)?; @@ -316,7 +314,7 @@ impl SourceAnalyzer { pub(crate) fn type_of_binding_in_pat( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, pat: &ast::IdentPat, ) -> Option<Type> { let binding_id = self.binding_id_of_pat(pat)?; @@ -328,7 +326,7 @@ impl SourceAnalyzer { pub(crate) fn type_of_self( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, _param: &ast::SelfParam, ) -> Option<Type> { let binding = self.body()?.self_param?; @@ -338,7 +336,7 @@ impl SourceAnalyzer { pub(crate) fn binding_mode_of_pat( &self, - _db: &dyn HirDatabase, + _db: &'db dyn HirDatabase, pat: &ast::IdentPat, ) -> Option<BindingMode> { let id = self.pat_id(&pat.clone().into())?; @@ -353,7 +351,7 @@ impl SourceAnalyzer { } pub(crate) fn pattern_adjustments( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, pat: &ast::Pat, ) -> Option<SmallVec<[Type; 1]>> { let pat_id = self.pat_id(pat)?; @@ -370,7 +368,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_method_call_as_callable( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, call: &ast::MethodCallExpr, ) -> Option<Callable> { let expr_id = self.expr_id(call.clone().into())?.as_expr()?; @@ -384,7 +382,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_method_call( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, call: &ast::MethodCallExpr, ) -> Option<Function> { let expr_id = self.expr_id(call.clone().into())?.as_expr()?; @@ -395,7 +393,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_method_call_fallback( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, call: &ast::MethodCallExpr, ) -> Option<(Either<Function, Field>, Option<GenericSubstitution>)> { let expr_id = self.expr_id(call.clone().into())?.as_expr()?; @@ -419,7 +417,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_expr_as_callable( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, call: &ast::Expr, ) -> Option<Callable> { let (orig, adjusted) = self.type_of_expr(db, &call.clone())?; @@ -441,7 +439,7 @@ impl SourceAnalyzer { &self, field_expr: ExprId, infer: &InferenceResult, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, ) -> Option<GenericSubstitution> { let body = self.store()?; if let Expr::Field { expr: object_expr, name: _ } = body[field_expr] { @@ -457,7 +455,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_field_fallback( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, field: &ast::FieldExpr, ) -> Option<(Either<Either<Field, TupleField>, Function>, Option<GenericSubstitution>)> { let (def, ..) = self.body_()?; @@ -490,7 +488,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_range_pat( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, range_pat: &ast::RangePat, ) -> Option<StructId> { let path: ModPath = match (range_pat.op_kind()?, range_pat.start(), range_pat.end()) { @@ -509,7 +507,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_range_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, range_expr: &ast::RangeExpr, ) -> Option<StructId> { let path: ModPath = match (range_expr.op_kind()?, range_expr.start(), range_expr.end()) { @@ -529,7 +527,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_await_to_poll( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, await_expr: &ast::AwaitExpr, ) -> Option<FunctionId> { let mut ty = self.ty_of_expr(await_expr.expr()?)?.clone(); @@ -566,7 +564,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_prefix_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, prefix_expr: &ast::PrefixExpr, ) -> Option<FunctionId> { let (op_trait, op_fn) = match prefix_expr.op_kind()? { @@ -608,7 +606,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_index_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, index_expr: &ast::IndexExpr, ) -> Option<FunctionId> { let base_ty = self.ty_of_expr(index_expr.base()?)?; @@ -640,7 +638,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_bin_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, binop_expr: &ast::BinExpr, ) -> Option<FunctionId> { let op = binop_expr.op_kind()?; @@ -661,7 +659,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_try_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, try_expr: &ast::TryExpr, ) -> Option<FunctionId> { let ty = self.ty_of_expr(try_expr.expr()?)?; @@ -680,7 +678,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_record_field( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, field: &ast::RecordExprField, ) -> Option<(Field, Option<Local>, Type, GenericSubstitution)> { let record_expr = ast::RecordExpr::cast(field.syntax().parent().and_then(|p| p.parent())?)?; @@ -724,7 +722,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_record_pat_field( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, field: &ast::RecordPatField, ) -> Option<(Field, Type, GenericSubstitution)> { let field_name = field.field_name()?.as_name(); @@ -743,25 +741,9 @@ impl SourceAnalyzer { )) } - pub(crate) fn resolve_macro_call( - &self, - db: &dyn HirDatabase, - macro_call: InFile<&ast::MacroCall>, - ) -> Option<Macro> { - let bs = self.store_sm()?; - bs.expansion(macro_call).and_then(|it| { - // FIXME: Block def maps - let def = it.lookup(db).def; - db.crate_def_map(def.krate) - .macro_def_to_macro_id - .get(&def.kind.erased_ast_id()) - .map(|it| (*it).into()) - }) - } - pub(crate) fn resolve_bind_pat_to_const( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, pat: &ast::IdentPat, ) -> Option<ModuleDef> { let expr_or_pat_id = self.pat_id(&pat.clone().into())?; @@ -795,7 +777,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_offset_of_field( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, name_ref: &ast::NameRef, ) -> Option<(Either<crate::Variant, crate::Field>, GenericSubstitution)> { let offset_of_expr = ast::OffsetOfExpr::cast(name_ref.syntax().parent()?)?; @@ -867,7 +849,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_path( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, path: &ast::Path, ) -> Option<(PathResolution, Option<GenericSubstitution>)> { let parent = path.syntax().parent(); @@ -1159,7 +1141,9 @@ impl SourceAnalyzer { prefer_value_ns, name_hygiene(db, InFile::new(self.file_id, path.syntax())), Some(&store), - )?; + false, + ) + .any()?; let subst = (|| { let parent = parent()?; let ty = if let Some(expr) = ast::Expr::cast(parent.clone()) { @@ -1209,9 +1193,29 @@ impl SourceAnalyzer { } } - pub(crate) fn record_literal_missing_fields( + pub(crate) fn resolve_hir_path_per_ns( &self, db: &dyn HirDatabase, + path: &ast::Path, + ) -> Option<PathResolutionPerNs> { + let mut collector = ExprCollector::new(db, self.resolver.module(), self.file_id); + let hir_path = + collector.lower_path(path.clone(), &mut ExprCollector::impl_trait_error_allocator)?; + let store = collector.store.finish(); + Some(resolve_hir_path_( + db, + &self.resolver, + &hir_path, + false, + name_hygiene(db, InFile::new(self.file_id, path.syntax())), + Some(&store), + true, + )) + } + + pub(crate) fn record_literal_missing_fields( + &self, + db: &'db dyn HirDatabase, literal: &ast::RecordExpr, ) -> Option<Vec<(Field, Type)>> { let body = self.store()?; @@ -1234,7 +1238,7 @@ impl SourceAnalyzer { pub(crate) fn record_pattern_missing_fields( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, pattern: &ast::RecordPat, ) -> Option<Vec<(Field, Type)>> { let body = self.store()?; @@ -1251,7 +1255,7 @@ impl SourceAnalyzer { fn missing_fields( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, substs: &Substitution, variant: VariantId, missing_fields: Vec<LocalFieldId>, @@ -1268,18 +1272,6 @@ impl SourceAnalyzer { .collect() } - pub(crate) fn expand( - &self, - db: &dyn HirDatabase, - macro_call: InFile<&ast::MacroCall>, - ) -> Option<MacroCallId> { - self.store_sm().and_then(|bs| bs.expansion(macro_call)).or_else(|| { - self.resolver.item_scope().macro_invoc( - macro_call.with_value(db.ast_id_map(macro_call.file_id).ast_id(macro_call.value)), - ) - }) - } - pub(crate) fn resolve_variant(&self, record_lit: ast::RecordExpr) -> Option<VariantId> { let infer = self.infer()?; let expr_id = self.expr_id(record_lit.into())?; @@ -1288,7 +1280,7 @@ impl SourceAnalyzer { pub(crate) fn is_unsafe_macro_call_expr( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, macro_expr: InFile<&ast::MacroExpr>, ) -> bool { if let Some((def, body, sm, Some(infer))) = self.body_() { @@ -1313,7 +1305,7 @@ impl SourceAnalyzer { pub(crate) fn resolve_offset_in_format_args( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, format_args: InFile<&ast::FormatArgsExpr>, offset: TextSize, ) -> Option<(TextRange, Option<PathResolution>)> { @@ -1384,7 +1376,7 @@ impl SourceAnalyzer { fn resolve_impl_method_or_trait_def( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, func: FunctionId, substs: Substitution, ) -> FunctionId { @@ -1393,7 +1385,7 @@ impl SourceAnalyzer { fn resolve_impl_method_or_trait_def_with_subst( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, func: FunctionId, substs: Substitution, ) -> (FunctionId, Substitution) { @@ -1407,7 +1399,7 @@ impl SourceAnalyzer { fn resolve_impl_const_or_trait_def_with_subst( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, const_id: ConstId, subs: Substitution, ) -> (ConstId, Substitution) { @@ -1421,7 +1413,7 @@ impl SourceAnalyzer { fn lang_trait_fn( &self, - db: &dyn HirDatabase, + db: &'db dyn HirDatabase, lang_trait: LangItem, method_name: &Name, ) -> Option<(TraitId, FunctionId)> { @@ -1527,18 +1519,18 @@ fn adjust( #[inline] pub(crate) fn resolve_hir_path( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, path: &Path, hygiene: HygieneId, store: Option<&ExpressionStore>, ) -> Option<PathResolution> { - resolve_hir_path_(db, resolver, path, false, hygiene, store) + resolve_hir_path_(db, resolver, path, false, hygiene, store, false).any() } #[inline] pub(crate) fn resolve_hir_path_as_attr_macro( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, path: &Path, ) -> Option<Macro> { resolver @@ -1549,12 +1541,13 @@ pub(crate) fn resolve_hir_path_as_attr_macro( fn resolve_hir_path_( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, path: &Path, prefer_value_ns: bool, hygiene: HygieneId, store: Option<&ExpressionStore>, -) -> Option<PathResolution> { + resolve_per_ns: bool, +) -> PathResolutionPerNs { let types = || { let (ty, unresolved) = match path.type_anchor() { Some(type_ref) => resolver.generic_def().and_then(|def| { @@ -1635,14 +1628,36 @@ fn resolve_hir_path_( .map(|(def, _)| PathResolution::Def(ModuleDef::Macro(def.into()))) }; - if prefer_value_ns { values().or_else(types) } else { types().or_else(values) } - .or_else(items) - .or_else(macros) + if resolve_per_ns { + PathResolutionPerNs { + type_ns: types().or_else(items), + value_ns: values(), + macro_ns: macros(), + } + } else { + let res = if prefer_value_ns { + values() + .map(|value_ns| PathResolutionPerNs::new(None, Some(value_ns), None)) + .unwrap_or_else(|| PathResolutionPerNs::new(types(), None, None)) + } else { + types() + .map(|type_ns| PathResolutionPerNs::new(Some(type_ns), None, None)) + .unwrap_or_else(|| PathResolutionPerNs::new(None, values(), None)) + }; + + if res.any().is_some() { + res + } else if let Some(type_ns) = items() { + PathResolutionPerNs::new(Some(type_ns), None, None) + } else { + PathResolutionPerNs::new(None, None, macros()) + } + } } fn resolve_hir_value_path( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, body_owner: Option<DefWithBodyId>, path: &Path, hygiene: HygieneId, @@ -1680,7 +1695,7 @@ fn resolve_hir_value_path( /// then we know that `foo` in `my::foo::Bar` refers to the module, not the function. fn resolve_hir_path_qualifier( db: &dyn HirDatabase, - resolver: &Resolver, + resolver: &Resolver<'_>, path: &Path, store: &ExpressionStore, ) -> Option<PathResolution> { diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/desugar_try_expr.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/desugar_try_expr.rs new file mode 100644 index 00000000000..efadde9e364 --- /dev/null +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/desugar_try_expr.rs @@ -0,0 +1,281 @@ +use std::iter; + +use ide_db::{ + assists::{AssistId, ExprFillDefaultMode}, + ty_filter::TryEnum, +}; +use syntax::{ + AstNode, T, + ast::{ + self, + edit::{AstNodeEdit, IndentLevel}, + make, + syntax_factory::SyntaxFactory, + }, +}; + +use crate::assist_context::{AssistContext, Assists}; + +// Assist: desugar_try_expr_match +// +// Replaces a `try` expression with a `match` expression. +// +// ``` +// # //- minicore: try, option +// fn handle() { +// let pat = Some(true)$0?; +// } +// ``` +// -> +// ``` +// fn handle() { +// let pat = match Some(true) { +// Some(it) => it, +// None => return None, +// }; +// } +// ``` + +// Assist: desugar_try_expr_let_else +// +// Replaces a `try` expression with a `let else` statement. +// +// ``` +// # //- minicore: try, option +// fn handle() { +// let pat = Some(true)$0?; +// } +// ``` +// -> +// ``` +// fn handle() { +// let Some(pat) = Some(true) else { +// return None; +// }; +// } +// ``` +pub(crate) fn desugar_try_expr(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { + let question_tok = ctx.find_token_syntax_at_offset(T![?])?; + let try_expr = question_tok.parent().and_then(ast::TryExpr::cast)?; + + let expr = try_expr.expr()?; + let expr_type_info = ctx.sema.type_of_expr(&expr)?; + + let try_enum = TryEnum::from_ty(&ctx.sema, &expr_type_info.original)?; + + let target = try_expr.syntax().text_range(); + acc.add( + AssistId::refactor_rewrite("desugar_try_expr_match"), + "Replace try expression with match", + target, + |edit| { + let sad_pat = match try_enum { + TryEnum::Option => make::path_pat(make::ext::ident_path("None")), + TryEnum::Result => make::tuple_struct_pat( + make::ext::ident_path("Err"), + iter::once(make::path_pat(make::ext::ident_path("err"))), + ) + .into(), + }; + let sad_expr = match try_enum { + TryEnum::Option => { + make::expr_return(Some(make::expr_path(make::ext::ident_path("None")))) + } + TryEnum::Result => make::expr_return(Some( + make::expr_call( + make::expr_path(make::ext::ident_path("Err")), + make::arg_list(iter::once(make::expr_path(make::ext::ident_path("err")))), + ) + .into(), + )), + }; + + let happy_arm = make::match_arm( + try_enum.happy_pattern(make::ident_pat(false, false, make::name("it")).into()), + None, + make::expr_path(make::ext::ident_path("it")), + ); + let sad_arm = make::match_arm(sad_pat, None, sad_expr); + + let match_arm_list = make::match_arm_list([happy_arm, sad_arm]); + + let expr_match = make::expr_match(expr.clone(), match_arm_list) + .indent(IndentLevel::from_node(try_expr.syntax())); + + edit.replace_ast::<ast::Expr>(try_expr.clone().into(), expr_match.into()); + }, + ); + + if let Some(let_stmt) = try_expr.syntax().parent().and_then(ast::LetStmt::cast) { + if let_stmt.let_else().is_none() { + let pat = let_stmt.pat()?; + acc.add( + AssistId::refactor_rewrite("desugar_try_expr_let_else"), + "Replace try expression with let else", + target, + |builder| { + let make = SyntaxFactory::with_mappings(); + let mut editor = builder.make_editor(let_stmt.syntax()); + + let indent_level = IndentLevel::from_node(let_stmt.syntax()); + let new_let_stmt = make.let_else_stmt( + try_enum.happy_pattern(pat), + let_stmt.ty(), + expr, + make.block_expr( + iter::once( + make.expr_stmt( + make.expr_return(Some(match try_enum { + TryEnum::Option => make.expr_path(make.ident_path("None")), + TryEnum::Result => make + .expr_call( + make.expr_path(make.ident_path("Err")), + make.arg_list(iter::once( + match ctx.config.expr_fill_default { + ExprFillDefaultMode::Todo => make + .expr_macro( + make.ident_path("todo"), + make.token_tree( + syntax::SyntaxKind::L_PAREN, + [], + ), + ) + .into(), + ExprFillDefaultMode::Underscore => { + make.expr_underscore().into() + } + ExprFillDefaultMode::Default => make + .expr_macro( + make.ident_path("todo"), + make.token_tree( + syntax::SyntaxKind::L_PAREN, + [], + ), + ) + .into(), + }, + )), + ) + .into(), + })) + .indent(indent_level + 1) + .into(), + ) + .into(), + ), + None, + ) + .indent(indent_level), + ); + editor.replace(let_stmt.syntax(), new_let_stmt.syntax()); + editor.add_mappings(make.finish_with_mappings()); + builder.add_file_edits(ctx.vfs_file_id(), editor); + }, + ); + } + } + Some(()) +} + +#[cfg(test)] +mod tests { + use super::*; + + use crate::tests::{check_assist, check_assist_by_label, check_assist_not_applicable}; + + #[test] + fn test_desugar_try_expr_not_applicable() { + check_assist_not_applicable( + desugar_try_expr, + r#" + fn test() { + let pat: u32 = 25$0; + } + "#, + ); + } + + #[test] + fn test_desugar_try_expr_option() { + check_assist( + desugar_try_expr, + r#" +//- minicore: try, option +fn test() { + let pat = Some(true)$0?; +} + "#, + r#" +fn test() { + let pat = match Some(true) { + Some(it) => it, + None => return None, + }; +} + "#, + ); + } + + #[test] + fn test_desugar_try_expr_result() { + check_assist( + desugar_try_expr, + r#" +//- minicore: try, from, result +fn test() { + let pat = Ok(true)$0?; +} + "#, + r#" +fn test() { + let pat = match Ok(true) { + Ok(it) => it, + Err(err) => return Err(err), + }; +} + "#, + ); + } + + #[test] + fn test_desugar_try_expr_option_let_else() { + check_assist_by_label( + desugar_try_expr, + r#" +//- minicore: try, option +fn test() { + let pat = Some(true)$0?; +} + "#, + r#" +fn test() { + let Some(pat) = Some(true) else { + return None; + }; +} + "#, + "Replace try expression with let else", + ); + } + + #[test] + fn test_desugar_try_expr_result_let_else() { + check_assist_by_label( + desugar_try_expr, + r#" +//- minicore: try, from, result +fn test() { + let pat = Ok(true)$0?; +} + "#, + r#" +fn test() { + let Ok(pat) = Ok(true) else { + return Err(todo!()); + }; +} + "#, + "Replace try expression with let else", + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs index 2ac960ed7e1..bab2ccf3f33 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs @@ -1,7 +1,7 @@ use ide_db::famous_defs::FamousDefs; use syntax::{ AstNode, - ast::{self, make}, + ast::{self, edit_in_place::Indent, make}, ted, }; @@ -46,6 +46,7 @@ use crate::{AssistContext, AssistId, Assists}; // ``` pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { let impl_def = ctx.find_node_at_offset::<ast::Impl>()?.clone_for_update(); + let indent = impl_def.indent_level(); let trait_ = impl_def.trait_()?; if let ast::Type::PathType(trait_path) = trait_ { @@ -97,8 +98,8 @@ pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_> })?; let assoc_list = make::assoc_item_list().clone_for_update(); - assoc_list.add_item(syntax::ast::AssocItem::Fn(fn_)); ted::replace(impl_def.assoc_item_list()?.syntax(), assoc_list.syntax()); + impl_def.get_or_create_assoc_item_list().add_item(syntax::ast::AssocItem::Fn(fn_)); let target = impl_def.syntax().text_range(); acc.add( @@ -106,7 +107,7 @@ pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_> "Generate `IndexMut` impl from this `Index` trait", target, |edit| { - edit.insert(target.start(), format!("$0{impl_def}\n\n")); + edit.insert(target.start(), format!("$0{impl_def}\n\n{indent}")); }, ) } @@ -190,6 +191,93 @@ impl<T> core::ops::Index<Axis> for [T; 3] where T: Copy { } #[test] + fn test_generate_mut_trait_impl_non_zero_indent() { + check_assist( + generate_mut_trait_impl, + r#" +//- minicore: index +mod foo { + pub enum Axis { X = 0, Y = 1, Z = 2 } + + impl<T> core::ops::Index$0<Axis> for [T; 3] where T: Copy { + type Output = T; + + fn index(&self, index: Axis) -> &Self::Output { + let var_name = &self[index as usize]; + var_name + } + } +} +"#, + r#" +mod foo { + pub enum Axis { X = 0, Y = 1, Z = 2 } + + $0impl<T> core::ops::IndexMut<Axis> for [T; 3] where T: Copy { + fn index_mut(&mut self, index: Axis) -> &mut Self::Output { + let var_name = &self[index as usize]; + var_name + } + } + + impl<T> core::ops::Index<Axis> for [T; 3] where T: Copy { + type Output = T; + + fn index(&self, index: Axis) -> &Self::Output { + let var_name = &self[index as usize]; + var_name + } + } +} +"#, + ); + + check_assist( + generate_mut_trait_impl, + r#" +//- minicore: index +mod foo { + mod bar { + pub enum Axis { X = 0, Y = 1, Z = 2 } + + impl<T> core::ops::Index$0<Axis> for [T; 3] where T: Copy { + type Output = T; + + fn index(&self, index: Axis) -> &Self::Output { + let var_name = &self[index as usize]; + var_name + } + } + } +} +"#, + r#" +mod foo { + mod bar { + pub enum Axis { X = 0, Y = 1, Z = 2 } + + $0impl<T> core::ops::IndexMut<Axis> for [T; 3] where T: Copy { + fn index_mut(&mut self, index: Axis) -> &mut Self::Output { + let var_name = &self[index as usize]; + var_name + } + } + + impl<T> core::ops::Index<Axis> for [T; 3] where T: Copy { + type Output = T; + + fn index(&self, index: Axis) -> &Self::Output { + let var_name = &self[index as usize]; + var_name + } + } + } +} +"#, + ); + } + + #[test] fn test_generate_mut_trait_impl_not_applicable() { check_assist_not_applicable( generate_mut_trait_impl, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs index f963f48d62a..4837f92f934 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs @@ -129,17 +129,23 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option // Get the mutable version of the impl to modify let impl_def = if let Some(impl_def) = impl_def { + fn_.indent(impl_def.indent_level()); builder.make_mut(impl_def) } else { // Generate a new impl to add the method to let impl_def = generate_impl(&ast::Adt::Struct(strukt.clone())); + let indent_level = strukt.indent_level(); + fn_.indent(indent_level); // Insert it after the adt let strukt = builder.make_mut(strukt.clone()); ted::insert_all_raw( ted::Position::after(strukt.syntax()), - vec![make::tokens::blank_line().into(), impl_def.syntax().clone().into()], + vec![ + make::tokens::whitespace(&format!("\n\n{indent_level}")).into(), + impl_def.syntax().clone().into(), + ], ); impl_def @@ -426,6 +432,135 @@ impl Foo { } #[test] + fn non_zero_indent() { + check_assist( + generate_new, + r#" +mod foo { + struct $0Foo {} +} +"#, + r#" +mod foo { + struct Foo {} + + impl Foo { + fn $0new() -> Self { + Self { } + } + } +} +"#, + ); + check_assist( + generate_new, + r#" +mod foo { + mod bar { + struct $0Foo {} + } +} +"#, + r#" +mod foo { + mod bar { + struct Foo {} + + impl Foo { + fn $0new() -> Self { + Self { } + } + } + } +} +"#, + ); + check_assist( + generate_new, + r#" +mod foo { + struct $0Foo {} + + impl Foo { + fn some() {} + } +} +"#, + r#" +mod foo { + struct Foo {} + + impl Foo { + fn $0new() -> Self { + Self { } + } + + fn some() {} + } +} +"#, + ); + check_assist( + generate_new, + r#" +mod foo { + mod bar { + struct $0Foo {} + + impl Foo { + fn some() {} + } + } +} +"#, + r#" +mod foo { + mod bar { + struct Foo {} + + impl Foo { + fn $0new() -> Self { + Self { } + } + + fn some() {} + } + } +} +"#, + ); + check_assist( + generate_new, + r#" +mod foo { + mod bar { +struct $0Foo {} + + impl Foo { + fn some() {} + } + } +} +"#, + r#" +mod foo { + mod bar { +struct Foo {} + + impl Foo { + fn $0new() -> Self { + Self { } + } + + fn some() {} + } + } +} +"#, + ); + } + + #[test] fn check_visibility_of_new_fn_based_on_struct() { check_assist( generate_new, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_bounds.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_bounds.rs index 7e8735bd7a2..a9df6f6fc36 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_bounds.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_bounds.rs @@ -1,3 +1,4 @@ +use either::Either; use syntax::{ ast::{ self, AstNode, HasName, HasTypeBounds, @@ -30,10 +31,11 @@ pub(crate) fn move_bounds_to_where_clause( ) -> Option<()> { let type_param_list = ctx.find_node_at_offset::<ast::GenericParamList>()?; - let mut type_params = type_param_list.type_or_const_params(); + let mut type_params = type_param_list.generic_params(); if type_params.all(|p| match p { - ast::TypeOrConstParam::Type(t) => t.type_bound_list().is_none(), - ast::TypeOrConstParam::Const(_) => true, + ast::GenericParam::TypeParam(t) => t.type_bound_list().is_none(), + ast::GenericParam::LifetimeParam(l) => l.type_bound_list().is_none(), + ast::GenericParam::ConstParam(_) => true, }) { return None; } @@ -53,20 +55,23 @@ pub(crate) fn move_bounds_to_where_clause( match parent { ast::Fn(it) => it.get_or_create_where_clause(), ast::Trait(it) => it.get_or_create_where_clause(), + ast::TraitAlias(it) => it.get_or_create_where_clause(), ast::Impl(it) => it.get_or_create_where_clause(), ast::Enum(it) => it.get_or_create_where_clause(), ast::Struct(it) => it.get_or_create_where_clause(), + ast::TypeAlias(it) => it.get_or_create_where_clause(), _ => return, } }; - for toc_param in type_param_list.type_or_const_params() { - let type_param = match toc_param { - ast::TypeOrConstParam::Type(x) => x, - ast::TypeOrConstParam::Const(_) => continue, + for generic_param in type_param_list.generic_params() { + let param: &dyn HasTypeBounds = match &generic_param { + ast::GenericParam::TypeParam(t) => t, + ast::GenericParam::LifetimeParam(l) => l, + ast::GenericParam::ConstParam(_) => continue, }; - if let Some(tbl) = type_param.type_bound_list() { - if let Some(predicate) = build_predicate(type_param) { + if let Some(tbl) = param.type_bound_list() { + if let Some(predicate) = build_predicate(generic_param) { where_clause.add_predicate(predicate) } tbl.remove() @@ -76,9 +81,23 @@ pub(crate) fn move_bounds_to_where_clause( ) } -fn build_predicate(param: ast::TypeParam) -> Option<ast::WherePred> { - let path = make::ext::ident_path(¶m.name()?.syntax().to_string()); - let predicate = make::where_pred(make::ty_path(path), param.type_bound_list()?.bounds()); +fn build_predicate(param: ast::GenericParam) -> Option<ast::WherePred> { + let target = match ¶m { + ast::GenericParam::TypeParam(t) => { + Either::Right(make::ty_path(make::ext::ident_path(&t.name()?.to_string()))) + } + ast::GenericParam::LifetimeParam(l) => Either::Left(l.lifetime()?), + ast::GenericParam::ConstParam(_) => return None, + }; + let predicate = make::where_pred( + target, + match param { + ast::GenericParam::TypeParam(t) => t.type_bound_list()?, + ast::GenericParam::LifetimeParam(l) => l.type_bound_list()?, + ast::GenericParam::ConstParam(_) => return None, + } + .bounds(), + ); Some(predicate.clone_for_update()) } @@ -123,4 +142,13 @@ mod tests { r#"struct Pair<T>(T, T) where T: u32;"#, ); } + + #[test] + fn move_bounds_to_where_clause_trait() { + check_assist( + move_bounds_to_where_clause, + r#"trait T<'a: 'static, $0T: u32> {}"#, + r#"trait T<'a, T> where 'a: 'static, T: u32 {}"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_unused_imports.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_unused_imports.rs index 1baf814ca68..16debc4d728 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_unused_imports.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_unused_imports.rs @@ -1,6 +1,9 @@ use std::collections::hash_map::Entry; -use hir::{FileRange, InFile, InRealFile, Module, ModuleSource}; +use hir::{ + FileRange, InFile, InRealFile, Module, ModuleDef, ModuleSource, PathResolution, + PathResolutionPerNs, +}; use ide_db::text_edit::TextRange; use ide_db::{ FxHashMap, RootDatabase, @@ -77,22 +80,17 @@ pub(crate) fn remove_unused_imports(acc: &mut Assists, ctx: &AssistContext<'_>) }; // Get the actual definition associated with this use item. - let res = match ctx.sema.resolve_path(&path) { - Some(x) => x, - None => { + let res = match ctx.sema.resolve_path_per_ns(&path) { + Some(x) if x.any().is_some() => x, + Some(_) | None => { return None; } }; - let def = match res { - hir::PathResolution::Def(d) => Definition::from(d), - _ => return None, - }; - if u.star_token().is_some() { // Check if any of the children of this module are used - let def_mod = match def { - Definition::Module(module) => module, + let def_mod = match res.type_ns { + Some(PathResolution::Def(ModuleDef::Module(module))) => module, _ => return None, }; @@ -105,21 +103,13 @@ pub(crate) fn remove_unused_imports(acc: &mut Assists, ctx: &AssistContext<'_>) }) .any(|d| used_once_in_scope(ctx, d, u.rename(), scope)) { - return Some(u); - } - } else if let Definition::Trait(ref t) = def { - // If the trait or any item is used. - if !std::iter::once((def, u.rename())) - .chain(t.items(ctx.db()).into_iter().map(|item| (item.into(), None))) - .any(|(d, rename)| used_once_in_scope(ctx, d, rename, scope)) - { - return Some(u); + Some(u) + } else { + None } - } else if !used_once_in_scope(ctx, def, u.rename(), scope) { - return Some(u); + } else { + is_path_per_ns_unused_in_scope(ctx, &u, scope, &res).then_some(u) } - - None }) .peekable(); @@ -141,6 +131,52 @@ pub(crate) fn remove_unused_imports(acc: &mut Assists, ctx: &AssistContext<'_>) } } +fn is_path_per_ns_unused_in_scope( + ctx: &AssistContext<'_>, + u: &ast::UseTree, + scope: &mut Vec<SearchScope>, + path: &PathResolutionPerNs, +) -> bool { + if let Some(PathResolution::Def(ModuleDef::Trait(ref t))) = path.type_ns { + if is_trait_unused_in_scope(ctx, u, scope, t) { + let path = [path.value_ns, path.macro_ns]; + is_path_unused_in_scope(ctx, u, scope, &path) + } else { + false + } + } else { + let path = [path.type_ns, path.value_ns, path.macro_ns]; + is_path_unused_in_scope(ctx, u, scope, &path) + } +} + +fn is_path_unused_in_scope( + ctx: &AssistContext<'_>, + u: &ast::UseTree, + scope: &mut Vec<SearchScope>, + path: &[Option<PathResolution>], +) -> bool { + !path + .iter() + .filter_map(|path| *path) + .filter_map(|res| match res { + PathResolution::Def(d) => Some(Definition::from(d)), + _ => None, + }) + .any(|def| used_once_in_scope(ctx, def, u.rename(), scope)) +} + +fn is_trait_unused_in_scope( + ctx: &AssistContext<'_>, + u: &ast::UseTree, + scope: &mut Vec<SearchScope>, + t: &hir::Trait, +) -> bool { + !std::iter::once((Definition::Trait(*t), u.rename())) + .chain(t.items(ctx.db()).into_iter().map(|item| (item.into(), None))) + .any(|(d, rename)| used_once_in_scope(ctx, d, rename, scope)) +} + fn used_once_in_scope( ctx: &AssistContext<'_>, def: Definition, @@ -1012,4 +1048,110 @@ fn test(_: Bar) { "#, ); } + + #[test] + fn test_unused_macro() { + check_assist( + remove_unused_imports, + r#" +//- /foo.rs crate:foo +#[macro_export] +macro_rules! m { () => {} } + +//- /main.rs crate:main deps:foo +use foo::m;$0 +fn main() {} +"#, + r#" +fn main() {} +"#, + ); + + check_assist_not_applicable( + remove_unused_imports, + r#" +//- /foo.rs crate:foo +#[macro_export] +macro_rules! m { () => {} } + +//- /main.rs crate:main deps:foo +use foo::m;$0 +fn main() { + m!(); +} +"#, + ); + + check_assist_not_applicable( + remove_unused_imports, + r#" +//- /foo.rs crate:foo +#[macro_export] +macro_rules! m { () => {} } + +//- /bar.rs crate:bar deps:foo +pub use foo::m; +fn m() {} + + +//- /main.rs crate:main deps:bar +use bar::m;$0 +fn main() { + m!(); +} +"#, + ); + } + + #[test] + fn test_conflict_derive_macro() { + check_assist_not_applicable( + remove_unused_imports, + r#" +//- proc_macros: derive_identity +//- minicore: derive +//- /bar.rs crate:bar +pub use proc_macros::DeriveIdentity; +pub trait DeriveIdentity {} + +//- /main.rs crate:main deps:bar +$0use bar::DeriveIdentity;$0 +#[derive(DeriveIdentity)] +struct S; +"#, + ); + + check_assist_not_applicable( + remove_unused_imports, + r#" +//- proc_macros: derive_identity +//- minicore: derive +//- /bar.rs crate:bar +pub use proc_macros::DeriveIdentity; +pub fn DeriveIdentity() {} + +//- /main.rs crate:main deps:bar +$0use bar::DeriveIdentity;$0 +#[derive(DeriveIdentity)] +struct S; +"#, + ); + + check_assist_not_applicable( + remove_unused_imports, + r#" +//- proc_macros: derive_identity +//- minicore: derive +//- /bar.rs crate:bar +pub use proc_macros::DeriveIdentity; +pub fn DeriveIdentity() {} + +//- /main.rs crate:main deps:bar +$0use bar::DeriveIdentity;$0 +fn main() { + DeriveIdentity(); +} +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_try_expr_with_match.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_try_expr_with_match.rs deleted file mode 100644 index c6e864fcfdb..00000000000 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_try_expr_with_match.rs +++ /dev/null @@ -1,148 +0,0 @@ -use std::iter; - -use ide_db::{assists::AssistId, ty_filter::TryEnum}; -use syntax::{ - AstNode, T, - ast::{ - self, - edit::{AstNodeEdit, IndentLevel}, - make, - }, -}; - -use crate::assist_context::{AssistContext, Assists}; - -// Assist: replace_try_expr_with_match -// -// Replaces a `try` expression with a `match` expression. -// -// ``` -// # //- minicore: try, option -// fn handle() { -// let pat = Some(true)$0?; -// } -// ``` -// -> -// ``` -// fn handle() { -// let pat = match Some(true) { -// Some(it) => it, -// None => return None, -// }; -// } -// ``` -pub(crate) fn replace_try_expr_with_match( - acc: &mut Assists, - ctx: &AssistContext<'_>, -) -> Option<()> { - let qm_kw = ctx.find_token_syntax_at_offset(T![?])?; - let qm_kw_parent = qm_kw.parent().and_then(ast::TryExpr::cast)?; - - let expr = qm_kw_parent.expr()?; - let expr_type_info = ctx.sema.type_of_expr(&expr)?; - - let try_enum = TryEnum::from_ty(&ctx.sema, &expr_type_info.original)?; - - let target = qm_kw_parent.syntax().text_range(); - acc.add( - AssistId::refactor_rewrite("replace_try_expr_with_match"), - "Replace try expression with match", - target, - |edit| { - let sad_pat = match try_enum { - TryEnum::Option => make::path_pat(make::ext::ident_path("None")), - TryEnum::Result => make::tuple_struct_pat( - make::ext::ident_path("Err"), - iter::once(make::path_pat(make::ext::ident_path("err"))), - ) - .into(), - }; - let sad_expr = match try_enum { - TryEnum::Option => { - make::expr_return(Some(make::expr_path(make::ext::ident_path("None")))) - } - TryEnum::Result => make::expr_return(Some( - make::expr_call( - make::expr_path(make::ext::ident_path("Err")), - make::arg_list(iter::once(make::expr_path(make::ext::ident_path("err")))), - ) - .into(), - )), - }; - - let happy_arm = make::match_arm( - try_enum.happy_pattern(make::ident_pat(false, false, make::name("it")).into()), - None, - make::expr_path(make::ext::ident_path("it")), - ); - let sad_arm = make::match_arm(sad_pat, None, sad_expr); - - let match_arm_list = make::match_arm_list([happy_arm, sad_arm]); - - let expr_match = make::expr_match(expr, match_arm_list) - .indent(IndentLevel::from_node(qm_kw_parent.syntax())); - edit.replace_ast::<ast::Expr>(qm_kw_parent.into(), expr_match.into()); - }, - ) -} - -#[cfg(test)] -mod tests { - use super::*; - - use crate::tests::{check_assist, check_assist_not_applicable}; - - #[test] - fn test_replace_try_expr_with_match_not_applicable() { - check_assist_not_applicable( - replace_try_expr_with_match, - r#" - fn test() { - let pat: u32 = 25$0; - } - "#, - ); - } - - #[test] - fn test_replace_try_expr_with_match_option() { - check_assist( - replace_try_expr_with_match, - r#" -//- minicore: try, option -fn test() { - let pat = Some(true)$0?; -} - "#, - r#" -fn test() { - let pat = match Some(true) { - Some(it) => it, - None => return None, - }; -} - "#, - ); - } - - #[test] - fn test_replace_try_expr_with_match_result() { - check_assist( - replace_try_expr_with_match, - r#" -//- minicore: try, from, result -fn test() { - let pat = Ok(true)$0?; -} - "#, - r#" -fn test() { - let pat = match Ok(true) { - Ok(it) => it, - Err(err) => return Err(err), - }; -} - "#, - ); - } -} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_type_to_generic_arg.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_type_to_generic_arg.rs new file mode 100644 index 00000000000..7b5adc1858b --- /dev/null +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_type_to_generic_arg.rs @@ -0,0 +1,156 @@ +use ide_db::assists::AssistId; +use syntax::{ + AstNode, + ast::{self, GenericArg, HasGenericArgs}, +}; + +use crate::{AssistContext, Assists}; + +// Assist: unwrap_type_to_generic_arg +// +// This assist unwraps a type into its generic type argument. +// +// ``` +// fn foo() -> $0Option<i32> { +// todo!() +// } +// ``` +// -> +// ``` +// fn foo() -> i32 { +// todo!() +// } +// ``` +pub(crate) fn unwrap_type_to_generic_arg(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { + let path_type = ctx.find_node_at_offset::<ast::PathType>()?; + let path = path_type.path()?; + let segment = path.segment()?; + let args_list = segment.generic_arg_list()?; + + let mut generic_arg = None; + + for arg in args_list.generic_args() { + match arg { + GenericArg::ConstArg(_) | GenericArg::LifetimeArg(_) => (), + GenericArg::TypeArg(arg) if generic_arg.is_none() => { + generic_arg = Some(arg); + } + _ => return None, + } + } + + let generic_arg = generic_arg?; + + acc.add( + AssistId::refactor_extract("unwrap_type_to_generic_arg"), + format!("Unwrap type to type argument {generic_arg}"), + path_type.syntax().text_range(), + |builder| { + let mut editor = builder.make_editor(path_type.syntax()); + editor.replace(path_type.syntax(), generic_arg.syntax()); + + builder.add_file_edits(ctx.vfs_file_id(), editor); + }, + ) +} + +#[cfg(test)] +mod tests { + use super::*; + use crate::tests::{check_assist, check_assist_not_applicable}; + + #[test] + fn test_unwrap_type_to_generic_arg() { + check_assist( + unwrap_type_to_generic_arg, + r#" +//- minicore: option +fn foo() -> $0Option<i32> { + todo!() +} +"#, + r#" +fn foo() -> i32 { + todo!() +} +"#, + ); + } + + #[test] + fn unwrap_type_to_generic_arg_not_applicable_for_non_generic_arg_list() { + check_assist_not_applicable( + unwrap_type_to_generic_arg, + r#" +fn foo() -> $0i32 {} +"#, + ); + } + + #[test] + fn unwrap_type_to_generic_arg_not_applicable_for_multiple_generic_args() { + check_assist_not_applicable( + unwrap_type_to_generic_arg, + r#" +//- minicore: result +fn foo() -> $0Result<i32, ()> { + todo!() +} +"#, + ); + } + + #[test] + fn unwrap_type_to_generic_arg_with_lifetime_and_const() { + check_assist( + unwrap_type_to_generic_arg, + r#" +enum Foo<'a, T, const N: usize> { + Bar(T), + Baz(&'a [T; N]), +} + +fn test<'a>() -> $0Foo<'a, i32, 3> { + todo!() +} +"#, + r#" +enum Foo<'a, T, const N: usize> { + Bar(T), + Baz(&'a [T; N]), +} + +fn test<'a>() -> i32 { + todo!() +} +"#, + ); + } + + #[test] + fn unwrap_type_to_generic_arg_in_let_stmt() { + check_assist( + unwrap_type_to_generic_arg, + r#" +enum Foo<T> { + Bar(T), + Baz, +} + +fn test() { + let foo: $0Foo<i32> = todo!(); +} +"#, + r#" +enum Foo<T> { + Bar(T), + Baz, +} + +fn test() { + let foo: i32 = todo!(); +} +"#, + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs index 627ed37b04e..c2604432032 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs @@ -139,6 +139,7 @@ mod handlers { mod destructure_struct_binding; mod destructure_tuple_binding; mod desugar_doc_comment; + mod desugar_try_expr; mod expand_glob_import; mod expand_rest_pattern; mod extract_expressions_from_format_string; @@ -214,7 +215,6 @@ mod handlers { mod replace_named_generic_with_impl; mod replace_qualified_name_with_use; mod replace_string_with_char; - mod replace_try_expr_with_match; mod replace_turbofish_with_explicit_type; mod sort_items; mod split_import; @@ -229,6 +229,7 @@ mod handlers { mod unwrap_block; mod unwrap_return_type; mod unwrap_tuple; + mod unwrap_type_to_generic_arg; mod wrap_return_type; mod wrap_unwrap_cfg_attr; @@ -272,6 +273,7 @@ mod handlers { destructure_struct_binding::destructure_struct_binding, destructure_tuple_binding::destructure_tuple_binding, desugar_doc_comment::desugar_doc_comment, + desugar_try_expr::desugar_try_expr, expand_glob_import::expand_glob_import, expand_glob_import::expand_glob_reexport, expand_rest_pattern::expand_rest_pattern, @@ -353,7 +355,6 @@ mod handlers { replace_method_eager_lazy::replace_with_lazy_method, replace_named_generic_with_impl::replace_named_generic_with_impl, replace_qualified_name_with_use::replace_qualified_name_with_use, - replace_try_expr_with_match::replace_try_expr_with_match, replace_turbofish_with_explicit_type::replace_turbofish_with_explicit_type, sort_items::sort_items, split_import::split_import, @@ -369,6 +370,7 @@ mod handlers { unwrap_block::unwrap_block, unwrap_return_type::unwrap_return_type, unwrap_tuple::unwrap_tuple, + unwrap_type_to_generic_arg::unwrap_type_to_generic_arg, wrap_return_type::wrap_return_type, wrap_unwrap_cfg_attr::wrap_unwrap_cfg_attr, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs index 01ab0be34b2..72f7195cbd7 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs @@ -930,6 +930,47 @@ comment"] } #[test] +fn doctest_desugar_try_expr_let_else() { + check_doc_test( + "desugar_try_expr_let_else", + r#####" +//- minicore: try, option +fn handle() { + let pat = Some(true)$0?; +} +"#####, + r#####" +fn handle() { + let Some(pat) = Some(true) else { + return None; + }; +} +"#####, + ) +} + +#[test] +fn doctest_desugar_try_expr_match() { + check_doc_test( + "desugar_try_expr_match", + r#####" +//- minicore: try, option +fn handle() { + let pat = Some(true)$0?; +} +"#####, + r#####" +fn handle() { + let pat = match Some(true) { + Some(it) => it, + None => return None, + }; +} +"#####, + ) +} + +#[test] fn doctest_expand_glob_import() { check_doc_test( "expand_glob_import", @@ -3097,27 +3138,6 @@ fn main() { } #[test] -fn doctest_replace_try_expr_with_match() { - check_doc_test( - "replace_try_expr_with_match", - r#####" -//- minicore: try, option -fn handle() { - let pat = Some(true)$0?; -} -"#####, - r#####" -fn handle() { - let pat = match Some(true) { - Some(it) => it, - None => return None, - }; -} -"#####, - ) -} - -#[test] fn doctest_replace_turbofish_with_explicit_type() { check_doc_test( "replace_turbofish_with_explicit_type", @@ -3482,6 +3502,23 @@ fn main() { } #[test] +fn doctest_unwrap_type_to_generic_arg() { + check_doc_test( + "unwrap_type_to_generic_arg", + r#####" +fn foo() -> $0Option<i32> { + todo!() +} +"#####, + r#####" +fn foo() -> i32 { + todo!() +} +"#####, + ) +} + +#[test] fn doctest_wrap_return_type_in_option() { check_doc_test( "wrap_return_type_in_option", diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/env_vars.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/env_vars.rs index cd18b3dcfdc..92cbf411c1e 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/env_vars.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/env_vars.rs @@ -13,6 +13,7 @@ use crate::{ const CARGO_DEFINED_VARS: &[(&str, &str)] = &[ ("CARGO", "Path to the cargo binary performing the build"), ("CARGO_MANIFEST_DIR", "The directory containing the manifest of your package"), + ("CARGO_MANIFEST_PATH", "The path to the manifest of your package"), ("CARGO_PKG_VERSION", "The full version of your package"), ("CARGO_PKG_VERSION_MAJOR", "The major version of your package"), ("CARGO_PKG_VERSION_MINOR", "The minor version of your package"), diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs index 54be7d2fbc3..3cdf2112835 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs @@ -311,6 +311,8 @@ fn include_references(initial_element: &ast::Expr) -> (ast::Expr, String) { let mut prefix = String::new(); + let mut found_ref_or_deref = false; + while let Some(parent_deref_element) = resulting_element.syntax().parent().and_then(ast::PrefixExpr::cast) { @@ -318,27 +320,26 @@ fn include_references(initial_element: &ast::Expr) -> (ast::Expr, String) { break; } + found_ref_or_deref = true; resulting_element = ast::Expr::from(parent_deref_element); prefix.insert(0, '*'); } - if let Some(first_ref_expr) = resulting_element.syntax().parent().and_then(ast::RefExpr::cast) { - if let Some(expr) = first_ref_expr.expr() { - resulting_element = expr; - } + while let Some(parent_ref_element) = + resulting_element.syntax().parent().and_then(ast::RefExpr::cast) + { + found_ref_or_deref = true; + let exclusive = parent_ref_element.mut_token().is_some(); + resulting_element = ast::Expr::from(parent_ref_element); - while let Some(parent_ref_element) = - resulting_element.syntax().parent().and_then(ast::RefExpr::cast) - { - let exclusive = parent_ref_element.mut_token().is_some(); - resulting_element = ast::Expr::from(parent_ref_element); + prefix.insert_str(0, if exclusive { "&mut " } else { "&" }); + } - prefix.insert_str(0, if exclusive { "&mut " } else { "&" }); - } - } else { - // If we do not find any ref expressions, restore + if !found_ref_or_deref { + // If we do not find any ref/deref expressions, restore // all the progress of tree climbing + prefix.clear(); resulting_element = initial_element.clone(); } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/context.rs b/src/tools/rust-analyzer/crates/ide-completion/src/context.rs index 3baf1f3de61..5287627790a 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/context.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/context.rs @@ -8,8 +8,8 @@ use std::{iter, ops::ControlFlow}; use base_db::RootQueryDb as _; use hir::{ - DisplayTarget, HasAttrs, Local, ModuleDef, ModuleSource, Name, PathResolution, ScopeDef, - Semantics, SemanticsScope, Symbol, Type, TypeInfo, + DisplayTarget, HasAttrs, InFile, Local, ModuleDef, ModuleSource, Name, PathResolution, + ScopeDef, Semantics, SemanticsScope, Symbol, Type, TypeInfo, }; use ide_db::{ FilePosition, FxHashMap, FxHashSet, RootDatabase, famous_defs::FamousDefs, @@ -751,7 +751,7 @@ impl<'a> CompletionContext<'a> { original_offset, } = expand_and_analyze( &sema, - original_file.syntax().clone(), + InFile::new(editioned_file_id.into(), original_file.syntax().clone()), file_with_fake_ident.syntax().clone(), offset, &original_token, diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs b/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs index 391e2379dcd..7a2230b3e36 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs @@ -1,7 +1,7 @@ //! Module responsible for analyzing the code surrounding the cursor for completion. use std::iter; -use hir::{ExpandResult, Semantics, Type, TypeInfo, Variant}; +use hir::{ExpandResult, InFile, Semantics, Type, TypeInfo, Variant}; use ide_db::{RootDatabase, active_parameter::ActiveParameter}; use itertools::Either; use syntax::{ @@ -50,7 +50,7 @@ pub(super) struct AnalysisResult { pub(super) fn expand_and_analyze( sema: &Semantics<'_, RootDatabase>, - original_file: SyntaxNode, + original_file: InFile<SyntaxNode>, speculative_file: SyntaxNode, offset: TextSize, original_token: &SyntaxToken, @@ -72,7 +72,7 @@ pub(super) fn expand_and_analyze( relative_offset, ) .unwrap_or(ExpansionResult { - original_file, + original_file: original_file.value, speculative_file, original_offset: offset, speculative_offset: fake_ident_token.text_range().start(), @@ -125,7 +125,7 @@ fn token_at_offset_ignore_whitespace(file: &SyntaxNode, offset: TextSize) -> Opt /// the best we can do. fn expand_maybe_stop( sema: &Semantics<'_, RootDatabase>, - original_file: SyntaxNode, + original_file: InFile<SyntaxNode>, speculative_file: SyntaxNode, original_offset: TextSize, fake_ident_token: SyntaxToken, @@ -142,17 +142,16 @@ fn expand_maybe_stop( return result; } - // This needs to come after the recursive call, because our "inside macro" detection is subtly wrong - // with regard to attribute macros named `test` that are not std's test. So hopefully we will expand - // them successfully above and be able to analyze. - // Left biased since there may already be an identifier token there, and we appended to it. - if !sema.might_be_inside_macro_call(&fake_ident_token) - && token_at_offset_ignore_whitespace(&original_file, original_offset + relative_offset) - .is_some_and(|original_token| !sema.might_be_inside_macro_call(&original_token)) + // We can't check whether the fake expansion is inside macro call, because that requires semantic info. + // But hopefully checking just the real one should be enough. + if token_at_offset_ignore_whitespace(&original_file.value, original_offset + relative_offset) + .is_some_and(|original_token| { + !sema.is_inside_macro_call(original_file.with_value(&original_token)) + }) { // Recursion base case. Some(ExpansionResult { - original_file, + original_file: original_file.value, speculative_file, original_offset, speculative_offset: fake_ident_token.text_range().start(), @@ -166,7 +165,7 @@ fn expand_maybe_stop( fn expand( sema: &Semantics<'_, RootDatabase>, - original_file: SyntaxNode, + original_file: InFile<SyntaxNode>, speculative_file: SyntaxNode, original_offset: TextSize, fake_ident_token: SyntaxToken, @@ -176,7 +175,7 @@ fn expand( let parent_item = |item: &ast::Item| item.syntax().ancestors().skip(1).find_map(ast::Item::cast); - let original_node = token_at_offset_ignore_whitespace(&original_file, original_offset) + let original_node = token_at_offset_ignore_whitespace(&original_file.value, original_offset) .and_then(|token| token.parent_ancestors().find_map(ast::Item::cast)); let ancestor_items = iter::successors( Option::zip( @@ -249,7 +248,7 @@ fn expand( } // No attributes have been expanded, so look for macro_call! token trees or derive token trees - let orig_tt = ancestors_at_offset(&original_file, original_offset) + let orig_tt = ancestors_at_offset(&original_file.value, original_offset) .map_while(Either::<ast::TokenTree, ast::Meta>::cast) .last()?; let spec_tt = ancestors_at_offset(&speculative_file, fake_ident_token.text_range().start()) @@ -292,7 +291,7 @@ fn expand( fake_mapped_tokens.into_iter().min_by_key(|(_, rank)| *rank) { return Some(ExpansionResult { - original_file, + original_file: original_file.value, speculative_file, original_offset, speculative_offset: fake_ident_token.text_range().start(), @@ -349,7 +348,7 @@ fn expand( } let result = expand_maybe_stop( sema, - actual_expansion.clone(), + InFile::new(file.into(), actual_expansion.clone()), fake_expansion.clone(), new_offset, fake_mapped_token, @@ -883,9 +882,10 @@ fn classify_name_ref( }, ast::MethodCallExpr(method) => { let receiver = find_opt_node_in_file(original_file, method.receiver()); + let has_parens = has_parens(&method); let kind = NameRefKind::DotAccess(DotAccess { receiver_ty: receiver.as_ref().and_then(|it| sema.type_of_expr(it)), - kind: DotAccessKind::Method { has_parens: method.arg_list().is_some_and(|it| it.l_paren_token().is_some()) }, + kind: DotAccessKind::Method { has_parens }, receiver, ctx: DotAccessExprCtx { in_block_expr: is_in_block(method.syntax()), in_breakable: is_in_breakable(method.syntax()) } }); @@ -1372,7 +1372,7 @@ fn classify_name_ref( } } - path_ctx.has_call_parens = it.syntax().parent().is_some_and(|it| ast::CallExpr::can_cast(it.kind())); + path_ctx.has_call_parens = it.syntax().parent().is_some_and(|it| ast::CallExpr::cast(it).is_some_and(|it| has_parens(&it))); make_path_kind_expr(it.into()) }, @@ -1401,7 +1401,7 @@ fn classify_name_ref( match parent { ast::PathType(it) => make_path_kind_type(it.into()), ast::PathExpr(it) => { - path_ctx.has_call_parens = it.syntax().parent().is_some_and(|it| ast::CallExpr::can_cast(it.kind())); + path_ctx.has_call_parens = it.syntax().parent().is_some_and(|it| ast::CallExpr::cast(it).is_some_and(|it| has_parens(&it))); make_path_kind_expr(it.into()) }, @@ -1559,6 +1559,30 @@ fn classify_name_ref( Some((NameRefContext { nameref, kind: NameRefKind::Path(path_ctx) }, qualifier_ctx)) } +/// When writing in the middle of some code the following situation commonly occurs (`|` denotes the cursor): +/// ```ignore +/// value.method| +/// (1, 2, 3) +/// ``` +/// Here, we want to complete the method parentheses & arguments (if the corresponding settings are on), +/// but the thing is parsed as a method call with parentheses. Therefore we use heuristics: if the parentheses +/// are on the next line, consider them non-existent. +fn has_parens(node: &dyn HasArgList) -> bool { + let Some(arg_list) = node.arg_list() else { return false }; + if arg_list.l_paren_token().is_none() { + return false; + } + let prev_siblings = iter::successors(arg_list.syntax().prev_sibling_or_token(), |it| { + it.prev_sibling_or_token() + }); + prev_siblings + .take_while(|syntax| syntax.kind().is_trivia()) + .filter_map(|syntax| { + syntax.into_token().filter(|token| token.kind() == SyntaxKind::WHITESPACE) + }) + .all(|whitespace| !whitespace.text().contains('\n')) +} + fn pattern_context_for( sema: &Semantics<'_, RootDatabase>, original_file: &SyntaxNode, diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs index d5137949d42..b46e4c32061 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs @@ -2112,6 +2112,56 @@ fn foo() { } #[test] +fn cfg_attr_attr_macro() { + check( + r#" +//- proc_macros: identity +#[cfg_attr(test, proc_macros::identity)] +fn foo() { + $0 +} + "#, + expect![[r#" + fn foo() fn() + md proc_macros + bt u32 u32 + kw async + kw const + kw crate:: + kw enum + kw extern + kw false + kw fn + kw for + kw if + kw if let + kw impl + kw impl for + kw let + kw letm + kw loop + kw match + kw mod + kw return + kw self:: + kw static + kw struct + kw trait + kw true + kw type + kw union + kw unsafe + kw use + kw while + kw while let + sn macro_rules + sn pd + sn ppd + "#]], + ); +} + +#[test] fn escaped_label() { check( r#" @@ -2126,3 +2176,70 @@ fn main() { "#]], ); } + +#[test] +fn call_parens_with_newline() { + check_edit( + "foo", + r#" +fn foo(v: i32) {} + +fn bar() { + foo$0 + () +} + "#, + r#" +fn foo(v: i32) {} + +fn bar() { + foo(${1:v});$0 + () +} + "#, + ); + check_edit( + "foo", + r#" +struct Foo; +impl Foo { + fn foo(&self, v: i32) {} +} + +fn bar() { + Foo.foo$0 + () +} + "#, + r#" +struct Foo; +impl Foo { + fn foo(&self, v: i32) {} +} + +fn bar() { + Foo.foo(${1:v});$0 + () +} + "#, + ); +} + +#[test] +fn dbg_too_many_asterisks() { + check_edit( + "dbg", + r#" +fn main() { + let x = &42; + let y = *x.$0; +} + "#, + r#" +fn main() { + let x = &42; + let y = dbg!(*x); +} + "#, + ); +} diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/item.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/item.rs index 55689034fb4..ed87b339fed 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/item.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/item.rs @@ -4,7 +4,7 @@ //! in [crate::completions::mod_]. use expect_test::expect; -use crate::tests::{check_edit, check_with_base_items}; +use crate::tests::{check, check_edit, check_with_base_items}; #[test] fn target_type_or_trait_in_impl_block() { @@ -308,3 +308,39 @@ fn bar() { "#]], ); } + +#[test] +fn expression_in_item_macro() { + check( + r#" +fn foo() -> u8 { 0 } + +macro_rules! foo { + ($expr:expr) => { + const BAR: u8 = $expr; + }; +} + +foo!(f$0); + "#, + expect![[r#" + ct BAR u8 + fn foo() fn() -> u8 + ma foo!(…) macro_rules! foo + bt u32 u32 + kw const + kw crate:: + kw false + kw for + kw if + kw if let + kw loop + kw match + kw self:: + kw true + kw unsafe + kw while + kw while let + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/ide-db/src/defs.rs b/src/tools/rust-analyzer/crates/ide-db/src/defs.rs index bf4f541ff54..d5db1c481b6 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/defs.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/defs.rs @@ -6,7 +6,7 @@ // FIXME: this badly needs rename/rewrite (matklad, 2020-02-06). use crate::RootDatabase; -use crate::documentation::{Documentation, HasDocs}; +use crate::documentation::{DocsRangeMap, Documentation, HasDocs}; use crate::famous_defs::FamousDefs; use arrayvec::ArrayVec; use either::Either; @@ -21,7 +21,7 @@ use hir::{ use span::Edition; use stdx::{format_to, impl_from}; use syntax::{ - SyntaxKind, SyntaxNode, SyntaxToken, + SyntaxKind, SyntaxNode, SyntaxToken, TextSize, ast::{self, AstNode}, match_ast, }; @@ -210,29 +210,40 @@ impl Definition { famous_defs: Option<&FamousDefs<'_, '_>>, display_target: DisplayTarget, ) -> Option<Documentation> { + self.docs_with_rangemap(db, famous_defs, display_target).map(|(docs, _)| docs) + } + + pub fn docs_with_rangemap( + &self, + db: &RootDatabase, + famous_defs: Option<&FamousDefs<'_, '_>>, + display_target: DisplayTarget, + ) -> Option<(Documentation, Option<DocsRangeMap>)> { let docs = match self { - Definition::Macro(it) => it.docs(db), - Definition::Field(it) => it.docs(db), - Definition::Module(it) => it.docs(db), - Definition::Crate(it) => it.docs(db), - Definition::Function(it) => it.docs(db), - Definition::Adt(it) => it.docs(db), - Definition::Variant(it) => it.docs(db), - Definition::Const(it) => it.docs(db), - Definition::Static(it) => it.docs(db), - Definition::Trait(it) => it.docs(db), - Definition::TraitAlias(it) => it.docs(db), + Definition::Macro(it) => it.docs_with_rangemap(db), + Definition::Field(it) => it.docs_with_rangemap(db), + Definition::Module(it) => it.docs_with_rangemap(db), + Definition::Crate(it) => it.docs_with_rangemap(db), + Definition::Function(it) => it.docs_with_rangemap(db), + Definition::Adt(it) => it.docs_with_rangemap(db), + Definition::Variant(it) => it.docs_with_rangemap(db), + Definition::Const(it) => it.docs_with_rangemap(db), + Definition::Static(it) => it.docs_with_rangemap(db), + Definition::Trait(it) => it.docs_with_rangemap(db), + Definition::TraitAlias(it) => it.docs_with_rangemap(db), Definition::TypeAlias(it) => { - it.docs(db).or_else(|| { + it.docs_with_rangemap(db).or_else(|| { // docs are missing, try to fall back to the docs of the aliased item. let adt = it.ty(db).as_adt()?; - let docs = adt.docs(db)?; - let docs = format!( - "*This is the documentation for* `{}`\n\n{}", - adt.display(db, display_target), - docs.as_str() + let (docs, range_map) = adt.docs_with_rangemap(db)?; + let header_docs = format!( + "*This is the documentation for* `{}`\n\n", + adt.display(db, display_target) ); - Some(Documentation::new(docs)) + let offset = TextSize::new(header_docs.len() as u32); + let range_map = range_map.shift_docstring_line_range(offset); + let docs = header_docs + docs.as_str(); + Some((Documentation::new(docs), range_map)) }) } Definition::BuiltinType(it) => { @@ -241,17 +252,17 @@ impl Definition { let primitive_mod = format!("prim_{}", it.name().display(fd.0.db, display_target.edition)); let doc_owner = find_std_module(fd, &primitive_mod, display_target.edition)?; - doc_owner.docs(fd.0.db) + doc_owner.docs_with_rangemap(fd.0.db) }) } Definition::BuiltinLifetime(StaticLifetime) => None, Definition::Local(_) => None, Definition::SelfType(impl_def) => { - impl_def.self_ty(db).as_adt().map(|adt| adt.docs(db))? + impl_def.self_ty(db).as_adt().map(|adt| adt.docs_with_rangemap(db))? } Definition::GenericParam(_) => None, Definition::Label(_) => None, - Definition::ExternCrateDecl(it) => it.docs(db), + Definition::ExternCrateDecl(it) => it.docs_with_rangemap(db), Definition::BuiltinAttr(it) => { let name = it.name(db); @@ -276,7 +287,8 @@ impl Definition { name_value_str ); } - Some(Documentation::new(docs.replace('*', "\\*"))) + + return Some((Documentation::new(docs.replace('*', "\\*")), None)); } Definition::ToolModule(_) => None, Definition::DeriveHelper(_) => None, @@ -291,8 +303,9 @@ impl Definition { let trait_ = assoc.implemented_trait(db)?; let name = Some(assoc.name(db)?); let item = trait_.items(db).into_iter().find(|it| it.name(db) == name)?; - item.docs(db) + item.docs_with_rangemap(db) }) + .map(|(docs, range_map)| (docs, Some(range_map))) } pub fn label(&self, db: &RootDatabase, display_target: DisplayTarget) -> String { diff --git a/src/tools/rust-analyzer/crates/ide-db/src/documentation.rs b/src/tools/rust-analyzer/crates/ide-db/src/documentation.rs index ef2c83992c0..30c355f8b3f 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/documentation.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/documentation.rs @@ -34,11 +34,13 @@ impl From<Documentation> for String { pub trait HasDocs: HasAttrs { fn docs(self, db: &dyn HirDatabase) -> Option<Documentation>; + fn docs_with_rangemap(self, db: &dyn HirDatabase) -> Option<(Documentation, DocsRangeMap)>; fn resolve_doc_path( self, db: &dyn HirDatabase, link: &str, ns: Option<hir::Namespace>, + is_inner_doc: bool, ) -> Option<hir::DocLinkDef>; } /// A struct to map text ranges from [`Documentation`] back to TextRanges in the syntax tree. @@ -53,7 +55,7 @@ pub struct DocsRangeMap { impl DocsRangeMap { /// Maps a [`TextRange`] relative to the documentation string back to its AST range - pub fn map(&self, range: TextRange) -> Option<InFile<TextRange>> { + pub fn map(&self, range: TextRange) -> Option<(InFile<TextRange>, AttrId)> { let found = self.mapping.binary_search_by(|(probe, ..)| probe.ordering(range)).ok()?; let (line_docs_range, idx, original_line_src_range) = self.mapping[found]; if !line_docs_range.contains_range(range) { @@ -71,7 +73,7 @@ impl DocsRangeMap { text_range.end() + original_line_src_range.start() + relative_range.start(), string.syntax().text_range().len().min(range.len()), ); - Some(InFile { file_id, value: range }) + Some((InFile { file_id, value: range }, idx)) } Either::Right(comment) => { let text_range = comment.syntax().text_range(); @@ -82,10 +84,22 @@ impl DocsRangeMap { + relative_range.start(), text_range.len().min(range.len()), ); - Some(InFile { file_id, value: range }) + Some((InFile { file_id, value: range }, idx)) } } } + + pub fn shift_docstring_line_range(self, offset: TextSize) -> DocsRangeMap { + let mapping = self + .mapping + .into_iter() + .map(|(buf_offset, id, base_offset)| { + let buf_offset = buf_offset.checked_add(offset).unwrap(); + (buf_offset, id, base_offset) + }) + .collect_vec(); + DocsRangeMap { source_map: self.source_map, mapping } + } } pub fn docs_with_rangemap( @@ -161,13 +175,20 @@ macro_rules! impl_has_docs { fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> { docs_from_attrs(&self.attrs(db)).map(Documentation) } + fn docs_with_rangemap( + self, + db: &dyn HirDatabase, + ) -> Option<(Documentation, DocsRangeMap)> { + docs_with_rangemap(db, &self.attrs(db)) + } fn resolve_doc_path( self, db: &dyn HirDatabase, link: &str, - ns: Option<hir::Namespace> + ns: Option<hir::Namespace>, + is_inner_doc: bool, ) -> Option<hir::DocLinkDef> { - resolve_doc_path_on(db, self, link, ns) + resolve_doc_path_on(db, self, link, ns, is_inner_doc) } } )*}; @@ -184,13 +205,21 @@ macro_rules! impl_has_docs_enum { fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> { hir::$enum::$variant(self).docs(db) } + + fn docs_with_rangemap( + self, + db: &dyn HirDatabase, + ) -> Option<(Documentation, DocsRangeMap)> { + hir::$enum::$variant(self).docs_with_rangemap(db) + } fn resolve_doc_path( self, db: &dyn HirDatabase, link: &str, - ns: Option<hir::Namespace> + ns: Option<hir::Namespace>, + is_inner_doc: bool, ) -> Option<hir::DocLinkDef> { - hir::$enum::$variant(self).resolve_doc_path(db, link, ns) + hir::$enum::$variant(self).resolve_doc_path(db, link, ns, is_inner_doc) } } )*}; @@ -207,16 +236,25 @@ impl HasDocs for hir::AssocItem { } } + fn docs_with_rangemap(self, db: &dyn HirDatabase) -> Option<(Documentation, DocsRangeMap)> { + match self { + hir::AssocItem::Function(it) => it.docs_with_rangemap(db), + hir::AssocItem::Const(it) => it.docs_with_rangemap(db), + hir::AssocItem::TypeAlias(it) => it.docs_with_rangemap(db), + } + } + fn resolve_doc_path( self, db: &dyn HirDatabase, link: &str, ns: Option<hir::Namespace>, + is_inner_doc: bool, ) -> Option<hir::DocLinkDef> { match self { - hir::AssocItem::Function(it) => it.resolve_doc_path(db, link, ns), - hir::AssocItem::Const(it) => it.resolve_doc_path(db, link, ns), - hir::AssocItem::TypeAlias(it) => it.resolve_doc_path(db, link, ns), + hir::AssocItem::Function(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + hir::AssocItem::Const(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + hir::AssocItem::TypeAlias(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), } } } @@ -238,13 +276,36 @@ impl HasDocs for hir::ExternCrateDecl { } .map(Documentation::new) } + + fn docs_with_rangemap(self, db: &dyn HirDatabase) -> Option<(Documentation, DocsRangeMap)> { + let crate_docs = docs_with_rangemap(db, &self.resolved_crate(db)?.root_module().attrs(db)); + let decl_docs = docs_with_rangemap(db, &self.attrs(db)); + match (decl_docs, crate_docs) { + (None, None) => None, + (Some(decl_docs), None) => Some(decl_docs), + (None, Some(crate_docs)) => Some(crate_docs), + ( + Some((Documentation(mut decl_docs), mut decl_range_map)), + Some((Documentation(crate_docs), crate_range_map)), + ) => { + decl_docs.push('\n'); + decl_docs.push('\n'); + let offset = TextSize::new(decl_docs.len() as u32); + decl_docs += &crate_docs; + let crate_range_map = crate_range_map.shift_docstring_line_range(offset); + decl_range_map.mapping.extend(crate_range_map.mapping); + Some((Documentation(decl_docs), decl_range_map)) + } + } + } fn resolve_doc_path( self, db: &dyn HirDatabase, link: &str, ns: Option<hir::Namespace>, + is_inner_doc: bool, ) -> Option<hir::DocLinkDef> { - resolve_doc_path_on(db, self, link, ns) + resolve_doc_path_on(db, self, link, ns, is_inner_doc) } } diff --git a/src/tools/rust-analyzer/crates/ide-db/src/lib.rs b/src/tools/rust-analyzer/crates/ide-db/src/lib.rs index 63cc7cde280..c94be7e164e 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/lib.rs @@ -92,9 +92,7 @@ pub struct RootDatabase { impl std::panic::RefUnwindSafe for RootDatabase {} #[salsa_macros::db] -impl salsa::Database for RootDatabase { - fn salsa_event(&self, _event: &dyn Fn() -> salsa::Event) {} -} +impl salsa::Database for RootDatabase {} impl Drop for RootDatabase { fn drop(&mut self) { diff --git a/src/tools/rust-analyzer/crates/ide-db/src/prime_caches.rs b/src/tools/rust-analyzer/crates/ide-db/src/prime_caches.rs index cbe31405ab7..5356614dce5 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/prime_caches.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/prime_caches.rs @@ -2,12 +2,10 @@ //! sometimes is counter productive when, for example, the first goto definition //! request takes longer to compute. This module implements prepopulation of //! various caches, it's not really advanced at the moment. -mod topologic_sort; - -use std::time::Duration; +use std::panic::AssertUnwindSafe; use hir::{Symbol, db::DefDatabase}; -use itertools::Itertools; +use rustc_hash::FxHashMap; use salsa::{Cancelled, Database}; use crate::{ @@ -35,59 +33,114 @@ pub fn parallel_prime_caches( ) { let _p = tracing::info_span!("parallel_prime_caches").entered(); - let mut crates_to_prime = { - // FIXME: We already have the crate list topologically sorted (but without the things - // `TopologicalSortIter` gives us). Maybe there is a way to avoid using it and rip it out - // of the codebase? - let mut builder = topologic_sort::TopologicalSortIter::builder(); - - for &crate_id in db.all_crates().iter() { - builder.add(crate_id, crate_id.data(db).dependencies.iter().map(|d| d.crate_id)); - } - - builder.build() - }; - enum ParallelPrimeCacheWorkerProgress { - BeginCrate { crate_id: Crate, crate_name: Symbol }, - EndCrate { crate_id: Crate }, + BeginCrateDefMap { crate_id: Crate, crate_name: Symbol }, + EndCrateDefMap { crate_id: Crate }, + EndCrateImportMap, + EndModuleSymbols, Cancelled(Cancelled), } - // We split off def map computation from other work, - // as the def map is the relevant one. Once the defmaps are computed - // the project is ready to go, the other indices are just nice to have for some IDE features. - #[derive(PartialOrd, Ord, PartialEq, Eq, Copy, Clone)] - enum PrimingPhase { - DefMap, - ImportMap, - CrateSymbols, - } + // The setup here is a bit complicated. We try to make best use of compute resources. + // The idea is that if we have a def map available to compute, we should do that first. + // This is because def map is a dependency of both import map and symbols. So if we have + // e.g. a def map and a symbols, if we compute the def map we can, after it completes, + // compute the def maps of dependencies, the existing symbols and the symbols of the + // new crate, all in parallel. But if we compute the symbols, after that we will only + // have the def map to compute, and the rest of the CPU cores will rest, which is not + // good. + // However, it's better to compute symbols/import map than to compute a def map that + // isn't ready yet, because one of its dependencies hasn't yet completed its def map. + // Such def map will just block on the dependency, which is just wasted time. So better + // to compute the symbols/import map of an already computed def map in that time. + + let (reverse_deps, mut to_be_done_deps) = { + let all_crates = db.all_crates(); + let to_be_done_deps = all_crates + .iter() + .map(|&krate| (krate, krate.data(db).dependencies.len() as u32)) + .collect::<FxHashMap<_, _>>(); + let mut reverse_deps = + all_crates.iter().map(|&krate| (krate, Vec::new())).collect::<FxHashMap<_, _>>(); + for &krate in &*all_crates { + for dep in &krate.data(db).dependencies { + reverse_deps.get_mut(&dep.crate_id).unwrap().push(krate); + } + } + (reverse_deps, to_be_done_deps) + }; - let (work_sender, progress_receiver) = { + let (def_map_work_sender, import_map_work_sender, symbols_work_sender, progress_receiver) = { let (progress_sender, progress_receiver) = crossbeam_channel::unbounded(); - let (work_sender, work_receiver) = crossbeam_channel::unbounded(); - let prime_caches_worker = move |db: RootDatabase| { - while let Ok((crate_id, crate_name, kind)) = work_receiver.recv() { - progress_sender - .send(ParallelPrimeCacheWorkerProgress::BeginCrate { crate_id, crate_name })?; - - let cancelled = Cancelled::catch(|| match kind { - PrimingPhase::DefMap => _ = db.crate_def_map(crate_id), - PrimingPhase::ImportMap => _ = db.import_map(crate_id), - PrimingPhase::CrateSymbols => _ = db.crate_symbols(crate_id.into()), - }); + let (def_map_work_sender, def_map_work_receiver) = crossbeam_channel::unbounded(); + let (import_map_work_sender, import_map_work_receiver) = crossbeam_channel::unbounded(); + let (symbols_work_sender, symbols_work_receiver) = crossbeam_channel::unbounded(); + let prime_caches_worker = + move |db: RootDatabase| { + let handle_def_map = |crate_id, crate_name| { + progress_sender.send(ParallelPrimeCacheWorkerProgress::BeginCrateDefMap { + crate_id, + crate_name, + })?; - match cancelled { - Ok(()) => progress_sender - .send(ParallelPrimeCacheWorkerProgress::EndCrate { crate_id })?, - Err(cancelled) => progress_sender - .send(ParallelPrimeCacheWorkerProgress::Cancelled(cancelled))?, - } - } + let cancelled = Cancelled::catch(|| _ = hir::crate_def_map(&db, crate_id)); - Ok::<_, crossbeam_channel::SendError<_>>(()) - }; + match cancelled { + Ok(()) => progress_sender + .send(ParallelPrimeCacheWorkerProgress::EndCrateDefMap { crate_id })?, + Err(cancelled) => progress_sender + .send(ParallelPrimeCacheWorkerProgress::Cancelled(cancelled))?, + } + + Ok::<_, crossbeam_channel::SendError<_>>(()) + }; + let handle_import_map = |crate_id| { + let cancelled = Cancelled::catch(|| _ = db.import_map(crate_id)); + + match cancelled { + Ok(()) => progress_sender + .send(ParallelPrimeCacheWorkerProgress::EndCrateImportMap)?, + Err(cancelled) => progress_sender + .send(ParallelPrimeCacheWorkerProgress::Cancelled(cancelled))?, + } + + Ok::<_, crossbeam_channel::SendError<_>>(()) + }; + let handle_symbols = |module| { + let cancelled = + Cancelled::catch(AssertUnwindSafe(|| _ = db.module_symbols(module))); + + match cancelled { + Ok(()) => progress_sender + .send(ParallelPrimeCacheWorkerProgress::EndModuleSymbols)?, + Err(cancelled) => progress_sender + .send(ParallelPrimeCacheWorkerProgress::Cancelled(cancelled))?, + } + + Ok::<_, crossbeam_channel::SendError<_>>(()) + }; + + loop { + db.unwind_if_revision_cancelled(); + + // Biased because we want to prefer def maps. + crossbeam_channel::select_biased! { + recv(def_map_work_receiver) -> work => { + let Ok((crate_id, crate_name)) = work else { break }; + handle_def_map(crate_id, crate_name)?; + } + recv(import_map_work_receiver) -> work => { + let Ok(crate_id) = work else { break }; + handle_import_map(crate_id)?; + } + recv(symbols_work_receiver) -> work => { + let Ok(module) = work else { break }; + handle_symbols(module)?; + } + } + } + Ok::<_, crossbeam_channel::SendError<_>>(()) + }; for id in 0..num_worker_threads { stdx::thread::Builder::new( @@ -103,138 +156,121 @@ pub fn parallel_prime_caches( .expect("failed to spawn thread"); } - (work_sender, progress_receiver) + (def_map_work_sender, import_map_work_sender, symbols_work_sender, progress_receiver) }; - let crates_total = crates_to_prime.pending(); - let mut crates_done = 0; + let crate_def_maps_total = db.all_crates().len(); + let mut crate_def_maps_done = 0; + let (mut crate_import_maps_total, mut crate_import_maps_done) = (0usize, 0usize); + let (mut module_symbols_total, mut module_symbols_done) = (0usize, 0usize); // an index map is used to preserve ordering so we can sort the progress report in order of // "longest crate to index" first let mut crates_currently_indexing = FxIndexMap::with_capacity_and_hasher(num_worker_threads, Default::default()); - let mut additional_phases = vec![]; - - while crates_done < crates_total { - db.unwind_if_revision_cancelled(); - - for krate in &mut crates_to_prime { - let name = krate.extra_data(db).display_name.as_deref().cloned().unwrap_or_else(|| { - Symbol::integer(salsa::plumbing::AsId::as_id(&krate).as_u32() as usize) - }); - let origin = &krate.data(db).origin; - if origin.is_lang() { - additional_phases.push((krate, name.clone(), PrimingPhase::ImportMap)); - } else if origin.is_local() { - // Compute the symbol search index. - // This primes the cache for `ide_db::symbol_index::world_symbols()`. - // - // We do this for workspace crates only (members of local_roots), because doing it - // for all dependencies could be *very* unnecessarily slow in a large project. - // - // FIXME: We should do it unconditionally if the configuration is set to default to - // searching dependencies (rust-analyzer.workspace.symbol.search.scope), but we - // would need to pipe that configuration information down here. - additional_phases.push((krate, name.clone(), PrimingPhase::CrateSymbols)); - } - - work_sender.send((krate, name, PrimingPhase::DefMap)).ok(); + for (&krate, &to_be_done_deps) in &to_be_done_deps { + if to_be_done_deps != 0 { + continue; } - // recv_timeout is somewhat a hack, we need a way to from this thread check to see if the current salsa revision - // is cancelled on a regular basis. workers will only exit if they are processing a task that is cancelled, or - // if this thread exits, and closes the work channel. - let worker_progress = match progress_receiver.recv_timeout(Duration::from_millis(10)) { - Ok(p) => p, - Err(crossbeam_channel::RecvTimeoutError::Timeout) => { - continue; - } - Err(crossbeam_channel::RecvTimeoutError::Disconnected) => { - // all our workers have exited, mark us as finished and exit - cb(ParallelPrimeCachesProgress { - crates_currently_indexing: vec![], - crates_done, - crates_total: crates_done, - work_type: "Indexing", - }); - return; - } - }; - match worker_progress { - ParallelPrimeCacheWorkerProgress::BeginCrate { crate_id, crate_name } => { - crates_currently_indexing.insert(crate_id, crate_name); - } - ParallelPrimeCacheWorkerProgress::EndCrate { crate_id } => { - crates_currently_indexing.swap_remove(&crate_id); - crates_to_prime.mark_done(crate_id); - crates_done += 1; - } - ParallelPrimeCacheWorkerProgress::Cancelled(cancelled) => { - // Cancelled::throw should probably be public - std::panic::resume_unwind(Box::new(cancelled)); - } - }; + let name = crate_name(db, krate); + def_map_work_sender.send((krate, name)).ok(); + } + + while crate_def_maps_done < crate_def_maps_total + || crate_import_maps_done < crate_import_maps_total + || module_symbols_done < module_symbols_total + { + db.unwind_if_revision_cancelled(); let progress = ParallelPrimeCachesProgress { crates_currently_indexing: crates_currently_indexing.values().cloned().collect(), - crates_done, - crates_total, + crates_done: crate_def_maps_done, + crates_total: crate_def_maps_total, work_type: "Indexing", }; cb(progress); - } - - let mut crates_done = 0; - let crates_total = additional_phases.len(); - for w in additional_phases.into_iter().sorted_by_key(|&(_, _, phase)| phase) { - work_sender.send(w).ok(); - } - - while crates_done < crates_total { - db.unwind_if_revision_cancelled(); - // recv_timeout is somewhat a hack, we need a way to from this thread check to see if the current salsa revision - // is cancelled on a regular basis. workers will only exit if they are processing a task that is cancelled, or - // if this thread exits, and closes the work channel. - let worker_progress = match progress_receiver.recv_timeout(Duration::from_millis(10)) { + // Biased to prefer progress updates (and because it's faster). + let progress = match progress_receiver.recv() { Ok(p) => p, - Err(crossbeam_channel::RecvTimeoutError::Timeout) => { - continue; - } - Err(crossbeam_channel::RecvTimeoutError::Disconnected) => { + Err(crossbeam_channel::RecvError) => { // all our workers have exited, mark us as finished and exit cb(ParallelPrimeCachesProgress { crates_currently_indexing: vec![], - crates_done, - crates_total: crates_done, - work_type: "Populating symbols", + crates_done: crate_def_maps_done, + crates_total: crate_def_maps_done, + work_type: "Done", }); return; } }; - match worker_progress { - ParallelPrimeCacheWorkerProgress::BeginCrate { crate_id, crate_name } => { + + match progress { + ParallelPrimeCacheWorkerProgress::BeginCrateDefMap { crate_id, crate_name } => { crates_currently_indexing.insert(crate_id, crate_name); } - ParallelPrimeCacheWorkerProgress::EndCrate { crate_id } => { + ParallelPrimeCacheWorkerProgress::EndCrateDefMap { crate_id } => { crates_currently_indexing.swap_remove(&crate_id); - crates_done += 1; + crate_def_maps_done += 1; + + // Fire ready dependencies. + for &dep in &reverse_deps[&crate_id] { + let to_be_done = to_be_done_deps.get_mut(&dep).unwrap(); + *to_be_done -= 1; + if *to_be_done == 0 { + let dep_name = crate_name(db, dep); + def_map_work_sender.send((dep, dep_name)).ok(); + } + } + + if crate_def_maps_done == crate_def_maps_total { + cb(ParallelPrimeCachesProgress { + crates_currently_indexing: vec![], + crates_done: crate_def_maps_done, + crates_total: crate_def_maps_done, + work_type: "Collecting Symbols", + }); + } + + let origin = &crate_id.data(db).origin; + if origin.is_lang() { + crate_import_maps_total += 1; + import_map_work_sender.send(crate_id).ok(); + } else if origin.is_local() { + // Compute the symbol search index. + // This primes the cache for `ide_db::symbol_index::world_symbols()`. + // + // We do this for workspace crates only (members of local_roots), because doing it + // for all dependencies could be *very* unnecessarily slow in a large project. + // + // FIXME: We should do it unconditionally if the configuration is set to default to + // searching dependencies (rust-analyzer.workspace.symbol.search.scope), but we + // would need to pipe that configuration information down here. + let modules = hir::Crate::from(crate_id).modules(db); + module_symbols_total += modules.len(); + for module in modules { + symbols_work_sender.send(module).ok(); + } + } } + ParallelPrimeCacheWorkerProgress::EndCrateImportMap => crate_import_maps_done += 1, + ParallelPrimeCacheWorkerProgress::EndModuleSymbols => module_symbols_done += 1, ParallelPrimeCacheWorkerProgress::Cancelled(cancelled) => { // Cancelled::throw should probably be public std::panic::resume_unwind(Box::new(cancelled)); } - }; - - let progress = ParallelPrimeCachesProgress { - crates_currently_indexing: crates_currently_indexing.values().cloned().collect(), - crates_done, - crates_total, - work_type: "Populating symbols", - }; - - cb(progress); + } } } + +fn crate_name(db: &RootDatabase, krate: Crate) -> Symbol { + krate + .extra_data(db) + .display_name + .as_deref() + .cloned() + .unwrap_or_else(|| Symbol::integer(salsa::plumbing::AsId::as_id(&krate).as_u32() as usize)) +} diff --git a/src/tools/rust-analyzer/crates/ide-db/src/prime_caches/topologic_sort.rs b/src/tools/rust-analyzer/crates/ide-db/src/prime_caches/topologic_sort.rs deleted file mode 100644 index c8a03863103..00000000000 --- a/src/tools/rust-analyzer/crates/ide-db/src/prime_caches/topologic_sort.rs +++ /dev/null @@ -1,104 +0,0 @@ -//! helper data structure to schedule work for parallel prime caches. -use std::{collections::VecDeque, hash::Hash}; - -use crate::FxHashMap; - -pub(crate) struct TopologicSortIterBuilder<T> { - nodes: FxHashMap<T, Entry<T>>, -} - -// this implementation has different bounds on T than would be implied by #[derive(Default)] -impl<T> Default for TopologicSortIterBuilder<T> -where - T: Copy + Eq + PartialEq + Hash, -{ - fn default() -> Self { - Self { nodes: Default::default() } - } -} - -impl<T> TopologicSortIterBuilder<T> -where - T: Copy + Eq + PartialEq + Hash, -{ - fn get_or_create_entry(&mut self, item: T) -> &mut Entry<T> { - self.nodes.entry(item).or_default() - } - - pub(crate) fn add(&mut self, item: T, predecessors: impl IntoIterator<Item = T>) { - let mut num_predecessors = 0; - - for predecessor in predecessors.into_iter() { - self.get_or_create_entry(predecessor).successors.push(item); - num_predecessors += 1; - } - - let entry = self.get_or_create_entry(item); - entry.num_predecessors += num_predecessors; - } - - pub(crate) fn build(self) -> TopologicalSortIter<T> { - let ready = self - .nodes - .iter() - .filter_map( - |(item, entry)| if entry.num_predecessors == 0 { Some(*item) } else { None }, - ) - .collect(); - - TopologicalSortIter { nodes: self.nodes, ready } - } -} - -pub(crate) struct TopologicalSortIter<T> { - ready: VecDeque<T>, - nodes: FxHashMap<T, Entry<T>>, -} - -impl<T> TopologicalSortIter<T> -where - T: Copy + Eq + PartialEq + Hash, -{ - pub(crate) fn builder() -> TopologicSortIterBuilder<T> { - TopologicSortIterBuilder::default() - } - - pub(crate) fn pending(&self) -> usize { - self.nodes.len() - } - - pub(crate) fn mark_done(&mut self, item: T) { - let entry = self.nodes.remove(&item).expect("invariant: unknown item marked as done"); - - for successor in entry.successors { - let succ_entry = self - .nodes - .get_mut(&successor) - .expect("invariant: unknown successor referenced by entry"); - - succ_entry.num_predecessors -= 1; - if succ_entry.num_predecessors == 0 { - self.ready.push_back(successor); - } - } - } -} - -impl<T> Iterator for TopologicalSortIter<T> { - type Item = T; - - fn next(&mut self) -> Option<Self::Item> { - self.ready.pop_front() - } -} - -struct Entry<T> { - successors: Vec<T>, - num_predecessors: usize, -} - -impl<T> Default for Entry<T> { - fn default() -> Self { - Self { successors: Default::default(), num_predecessors: 0 } - } -} diff --git a/src/tools/rust-analyzer/crates/ide-db/src/rename.rs b/src/tools/rust-analyzer/crates/ide-db/src/rename.rs index b8119e1aab3..fa2a46a0f7c 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/rename.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/rename.rs @@ -390,11 +390,6 @@ pub fn source_edit_from_references( let mut edited_ranges = Vec::new(); for &FileReference { range, ref name, .. } in references { let name_range = name.text_range(); - if name_range.len() != range.len() { - // This usage comes from a different token kind that was downmapped to a NameLike in a macro - // Renaming this will most likely break things syntax-wise - continue; - } let has_emitted_edit = match name { // if the ranges differ then the node is inside a macro call, we can't really attempt // to make special rewrites like shorthand syntax and such, so just rename the node in diff --git a/src/tools/rust-analyzer/crates/ide-db/src/search.rs b/src/tools/rust-analyzer/crates/ide-db/src/search.rs index 30be5bc21b4..d4ab7592927 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/search.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/search.rs @@ -524,6 +524,7 @@ impl<'a> FindUsages<'a> { fn find_nodes<'b>( sema: &'b Semantics<'_, RootDatabase>, name: &str, + file_id: EditionedFileId, node: &syntax::SyntaxNode, offset: TextSize, ) -> impl Iterator<Item = SyntaxNode> + 'b { @@ -534,7 +535,7 @@ impl<'a> FindUsages<'a> { }) .into_iter() .flat_map(move |token| { - if sema.might_be_inside_macro_call(&token) { + if sema.is_inside_macro_call(InFile::new(file_id.into(), &token)) { sema.descend_into_macros_exact(token) } else { <_>::from([token]) @@ -654,11 +655,14 @@ impl<'a> FindUsages<'a> { let tree = LazyCell::new(move || sema.parse(file_id).syntax().clone()); for offset in FindUsages::match_indices(&file_text, &finder, search_range) { - let usages = - FindUsages::find_nodes(sema, ¤t_to_process, &tree, offset) - .filter(|it| { - matches!(it.kind(), SyntaxKind::NAME | SyntaxKind::NAME_REF) - }); + let usages = FindUsages::find_nodes( + sema, + ¤t_to_process, + file_id, + &tree, + offset, + ) + .filter(|it| matches!(it.kind(), SyntaxKind::NAME | SyntaxKind::NAME_REF)); for usage in usages { if let Some(alias) = usage.parent().and_then(|it| { let path = ast::PathSegment::cast(it)?.parent_path(); @@ -813,7 +817,7 @@ impl<'a> FindUsages<'a> { let tree = LazyCell::new(move || this.sema.parse(file_id).syntax().clone()); for offset in FindUsages::match_indices(&file_text, finder, search_range) { - let usages = FindUsages::find_nodes(this.sema, name, &tree, offset) + let usages = FindUsages::find_nodes(this.sema, name, file_id, &tree, offset) .filter_map(ast::NameRef::cast); for usage in usages { let found_usage = usage @@ -970,8 +974,8 @@ impl<'a> FindUsages<'a> { return; } - for name in - Self::find_nodes(sema, name, &tree, offset).filter_map(ast::NameLike::cast) + for name in Self::find_nodes(sema, name, file_id, &tree, offset) + .filter_map(ast::NameLike::cast) { if match name { ast::NameLike::NameRef(name_ref) => self.found_name_ref(&name_ref, sink), @@ -985,8 +989,8 @@ impl<'a> FindUsages<'a> { // Search for occurrences of the `Self` referring to our type if let Some((self_ty, finder)) = &include_self_kw_refs { for offset in Self::match_indices(&text, finder, search_range) { - for name_ref in - Self::find_nodes(sema, "Self", &tree, offset).filter_map(ast::NameRef::cast) + for name_ref in Self::find_nodes(sema, "Self", file_id, &tree, offset) + .filter_map(ast::NameRef::cast) { if self.found_self_ty_name_ref(self_ty, &name_ref, sink) { return; @@ -1010,7 +1014,7 @@ impl<'a> FindUsages<'a> { let tree = LazyCell::new(move || sema.parse(file_id).syntax().clone()); for offset in Self::match_indices(&text, finder, search_range) { - for name_ref in Self::find_nodes(sema, "super", &tree, offset) + for name_ref in Self::find_nodes(sema, "super", file_id, &tree, offset) .filter_map(ast::NameRef::cast) { if self.found_name_ref(&name_ref, sink) { @@ -1020,7 +1024,7 @@ impl<'a> FindUsages<'a> { } if let Some(finder) = &is_crate_root { for offset in Self::match_indices(&text, finder, search_range) { - for name_ref in Self::find_nodes(sema, "crate", &tree, offset) + for name_ref in Self::find_nodes(sema, "crate", file_id, &tree, offset) .filter_map(ast::NameRef::cast) { if self.found_name_ref(&name_ref, sink) { @@ -1064,8 +1068,8 @@ impl<'a> FindUsages<'a> { let finder = &Finder::new("self"); for offset in Self::match_indices(&text, finder, search_range) { - for name_ref in - Self::find_nodes(sema, "self", &tree, offset).filter_map(ast::NameRef::cast) + for name_ref in Self::find_nodes(sema, "self", file_id, &tree, offset) + .filter_map(ast::NameRef::cast) { if self.found_self_module_name_ref(&name_ref, sink) { return; diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/await_outside_of_async.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/await_outside_of_async.rs index 92ca7a74184..2a7b0098edf 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/await_outside_of_async.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/await_outside_of_async.rs @@ -14,6 +14,7 @@ pub(crate) fn await_outside_of_async( format!("`await` is used inside {}, which is not an `async` context", d.location), display_range, ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/bad_rtn.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/bad_rtn.rs index 9ed85f9f208..ae42a88c313 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/bad_rtn.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/bad_rtn.rs @@ -12,6 +12,7 @@ pub(crate) fn bad_rtn(ctx: &DiagnosticsContext<'_>, d: &hir::BadRtn) -> Diagnost "return type notation not allowed in this position yet", d.rtn.map(Into::into), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/break_outside_of_loop.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/break_outside_of_loop.rs index c25b0a7bf7d..cbcaab6c747 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/break_outside_of_loop.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/break_outside_of_loop.rs @@ -19,6 +19,7 @@ pub(crate) fn break_outside_of_loop( message, d.expr.map(|it| it.into()), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/elided_lifetimes_in_path.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/elided_lifetimes_in_path.rs index 438dd2fdcb6..b284d9b3510 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/elided_lifetimes_in_path.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/elided_lifetimes_in_path.rs @@ -15,7 +15,6 @@ pub(crate) fn elided_lifetimes_in_path( "implicit elided lifetime not allowed here", d.generics_or_segment.map(Into::into), ) - .experimental() } else { Diagnostic::new_with_syntax_node_ptr( ctx, @@ -23,7 +22,6 @@ pub(crate) fn elided_lifetimes_in_path( "hidden lifetime parameters in types are deprecated", d.generics_or_segment.map(Into::into), ) - .experimental() } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs index a6da0fd9c5e..7d2ac373dc0 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs @@ -15,7 +15,6 @@ pub(crate) fn expected_function( format!("expected function, found {}", d.found.display(ctx.sema.db, ctx.display_target)), d.call.map(|it| it.into()), ) - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/generic_args_prohibited.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/generic_args_prohibited.rs index b617c094983..9ae6f013c70 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/generic_args_prohibited.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/generic_args_prohibited.rs @@ -21,6 +21,7 @@ pub(crate) fn generic_args_prohibited( describe_reason(d.reason), d.args.map(Into::into), ) + .stable() .with_fixes(fixes(ctx, d)) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/inactive_code.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/inactive_code.rs index 47e1c84fecd..8611ef653b0 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/inactive_code.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/inactive_code.rs @@ -33,6 +33,7 @@ pub(crate) fn inactive_code( message, ctx.sema.diagnostics_display_range(d.node), ) + .stable() .with_unused(true); Some(res) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incoherent_impl.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incoherent_impl.rs index 0b9a2ec9db3..a0c364b0010 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incoherent_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incoherent_impl.rs @@ -19,6 +19,7 @@ pub(crate) fn incoherent_impl(ctx: &DiagnosticsContext<'_>, d: &hir::IncoherentI "cannot define inherent `impl` for foreign type".to_owned(), display_range, ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_case.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_case.rs index 289a0765732..38f10c778d6 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_case.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_case.rs @@ -29,6 +29,7 @@ pub(crate) fn incorrect_case(ctx: &DiagnosticsContext<'_>, d: &hir::IncorrectCas ), InFile::new(d.file, d.ident.into()), ) + .stable() .with_fixes(fixes(ctx, d)) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs index 17c7f75880c..06f35759420 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs @@ -28,7 +28,6 @@ pub(crate) fn incorrect_generics_len( message, d.generics_or_segment.map(Into::into), ) - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_order.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_order.rs index 84496df2d7c..b71586d6be0 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_order.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_order.rs @@ -28,6 +28,7 @@ pub(crate) fn incorrect_generics_order( message, d.provided_arg.map(Into::into), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs index d72b21099ce..7a6e98fe1b5 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs @@ -100,7 +100,7 @@ pub(crate) fn invalid_cast(ctx: &DiagnosticsContext<'_>, d: &hir::InvalidCast) - // "cannot cast to a pointer of an unknown kind".to_owned(), // ), }; - Diagnostic::new(code, message, display_range) + Diagnostic::new(code, message, display_range).stable() } // Diagnostic: cast-to-unsized @@ -113,6 +113,7 @@ pub(crate) fn cast_to_unsized(ctx: &DiagnosticsContext<'_>, d: &hir::CastToUnsiz format_ty!(ctx, "cast to unsized type: `{}`", d.cast_ty), display_range, ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_derive_target.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_derive_target.rs index ab0f5139f10..8b708f229d0 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_derive_target.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_derive_target.rs @@ -15,6 +15,7 @@ pub(crate) fn invalid_derive_target( "`derive` may only be applied to `struct`s, `enum`s and `union`s", display_range, ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs index a2648a1995d..546512a6cf9 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/macro_error.rs @@ -19,6 +19,7 @@ pub(crate) fn macro_error(ctx: &DiagnosticsContext<'_>, d: &hir::MacroError) -> d.message.clone(), display_range, ) + .stable() } // Diagnostic: macro-def-error @@ -33,6 +34,7 @@ pub(crate) fn macro_def_error(ctx: &DiagnosticsContext<'_>, d: &hir::MacroDefErr d.message.clone(), display_range, ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/malformed_derive.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/malformed_derive.rs index 0e47fff6f93..701b30b9b59 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/malformed_derive.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/malformed_derive.rs @@ -14,6 +14,7 @@ pub(crate) fn malformed_derive( "malformed derive input, derive attributes are of the form `#[derive(Derive1, Derive2, ...)]`", display_range, ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs index 63fd9b4e3f0..25c1e633ba3 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs @@ -26,6 +26,7 @@ pub(crate) fn mismatched_tuple_struct_pat_arg_count( message, invalid_args_range(ctx, d.expr_or_pat, d.expected, d.found), ) + .stable() } // Diagnostic: mismatched-arg-count @@ -42,6 +43,7 @@ pub(crate) fn mismatched_arg_count( message, invalid_args_range(ctx, d.call_expr, d.expected, d.found), ) + .stable() } fn invalid_args_range( diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_fields.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_fields.rs index a354d123f5a..2b76efb1965 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_fields.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_fields.rs @@ -47,6 +47,7 @@ pub(crate) fn missing_fields(ctx: &DiagnosticsContext<'_>, d: &hir::MissingField ); Diagnostic::new_with_syntax_node_ptr(ctx, DiagnosticCode::RustcHardError("E0063"), message, ptr) + .stable() .with_fixes(fixes(ctx, d)) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_lifetime.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_lifetime.rs index 8cdbb6384ff..76b30745a04 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_lifetime.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_lifetime.rs @@ -13,7 +13,6 @@ pub(crate) fn missing_lifetime( "missing lifetime specifier", d.generics_or_segment.map(Into::into), ) - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_match_arms.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_match_arms.rs index d3d3c3aa38d..1fc96b78eda 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_match_arms.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_match_arms.rs @@ -13,6 +13,7 @@ pub(crate) fn missing_match_arms( format!("missing match arm: {}", d.uncovered_patterns), d.scrutinee_expr.map(Into::into), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs index 3c36b455ca9..6bd5417b25d 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs @@ -23,6 +23,7 @@ pub(crate) fn missing_unsafe(ctx: &DiagnosticsContext<'_>, d: &hir::MissingUnsaf format!("{operation} is unsafe and requires an unsafe function or block"), d.node.map(|it| it.into()), ) + .stable() .with_fixes(fixes(ctx, d)) } @@ -893,4 +894,68 @@ fn main() { "#, ); } + + #[test] + fn asm_label() { + check_diagnostics( + r#" +//- minicore: asm +fn foo() { + unsafe { + core::arch::asm!( + "jmp {}", + label { + let p = 0xDEADBEAF as *mut u8; + *p = 3; + // ^^ error: dereference of raw pointer is unsafe and requires an unsafe function or block + }, + ); + } +} + "#, + ); + } + + #[test] + fn regression_19823() { + check_diagnostics( + r#" +pub trait FooTrait { + unsafe fn method1(); + unsafe fn method2(); +} + +unsafe fn some_unsafe_fn() {} + +macro_rules! impl_foo { + () => { + unsafe fn method1() { + some_unsafe_fn(); + } + unsafe fn method2() { + some_unsafe_fn(); + } + }; +} + +pub struct S1; +#[allow(unsafe_op_in_unsafe_fn)] +impl FooTrait for S1 { + unsafe fn method1() { + some_unsafe_fn(); + } + + unsafe fn method2() { + some_unsafe_fn(); + } +} + +pub struct S2; +#[allow(unsafe_op_in_unsafe_fn)] +impl FooTrait for S2 { + impl_foo!(); +} + "#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/moved_out_of_ref.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/moved_out_of_ref.rs index 780271361d7..01cf5e8fa52 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/moved_out_of_ref.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/moved_out_of_ref.rs @@ -11,7 +11,7 @@ pub(crate) fn moved_out_of_ref(ctx: &DiagnosticsContext<'_>, d: &hir::MovedOutOf format!("cannot move `{}` out of reference", d.ty.display(ctx.sema.db, ctx.display_target)), d.span, ) - .experimental() // spans are broken, and I'm not sure how precise we can detect copy types + // spans are broken, and I'm not sure how precise we can detect copy types } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mutability_errors.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mutability_errors.rs index 5d25f2c6a90..8831efa3117 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mutability_errors.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mutability_errors.rs @@ -55,6 +55,7 @@ pub(crate) fn need_mut(ctx: &DiagnosticsContext<'_>, d: &hir::NeedMut) -> Option ), span, ) + .stable() .with_fixes(fixes), ) } @@ -94,7 +95,7 @@ pub(crate) fn unused_mut(ctx: &DiagnosticsContext<'_>, d: &hir::UnusedMut) -> Op "variable does not need to be mutable", ast, ) - .experimental() // Not supporting `#[allow(unused_mut)]` in proc macros leads to false positive. + // Not supporting `#[allow(unused_mut)]` in proc macros leads to false positive, hence not stable. .with_fixes(fixes), ) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/no_such_field.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/no_such_field.rs index fa3347aa12e..84fb467a5ce 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/no_such_field.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/no_such_field.rs @@ -22,6 +22,7 @@ pub(crate) fn no_such_field(ctx: &DiagnosticsContext<'_>, d: &hir::NoSuchField) "field is private", node, ) + .stable() } else { Diagnostic::new_with_syntax_node_ptr( ctx, @@ -32,6 +33,7 @@ pub(crate) fn no_such_field(ctx: &DiagnosticsContext<'_>, d: &hir::NoSuchField) "no such field", node, ) + .stable() .with_fixes(fixes(ctx, d)) } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs index ff1eeb0516a..f20b6dea122 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs @@ -14,6 +14,7 @@ pub(crate) fn non_exhaustive_let( format!("non-exhaustive pattern: {}", d.uncovered_patterns), d.pat.map(Into::into), ) + .stable() } #[cfg(test)] @@ -105,4 +106,29 @@ fn test(x: Result<i32, &'static !>) { "#, ); } + + #[test] + fn empty_patterns_normalize() { + check_diagnostics( + r#" +enum Infallible {} + +trait Foo { + type Assoc; +} +enum Enum<T: Foo> { + A, + B(T::Assoc), +} + +impl Foo for () { + type Assoc = Infallible; +} + +fn foo(v: Enum<()>) { + let Enum::A = v; +} + "#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/parenthesized_generic_args_without_fn_trait.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/parenthesized_generic_args_without_fn_trait.rs index ccf51723418..68f2b196570 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/parenthesized_generic_args_without_fn_trait.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/parenthesized_generic_args_without_fn_trait.rs @@ -14,6 +14,7 @@ pub(crate) fn parenthesized_generic_args_without_fn_trait( "parenthesized type parameters may only be used with a `Fn` trait", d.args.map(Into::into), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs index fe32c590492..6d33ae0cf9b 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs @@ -28,6 +28,7 @@ pub(crate) fn private_assoc_item( ), d.expr_or_pat.map(Into::into), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_field.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_field.rs index 237a9b87871..5b4273a5a62 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_field.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_field.rs @@ -15,6 +15,7 @@ pub(crate) fn private_field(ctx: &DiagnosticsContext<'_>, d: &hir::PrivateField) ), d.expr.map(|it| it.into()), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_trailing_return.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_trailing_return.rs index 6b786450026..dec7be8b742 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_trailing_return.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_trailing_return.rs @@ -31,6 +31,7 @@ pub(crate) fn remove_trailing_return( "replace return <expr>; with <expr>", display_range, ) + .stable() .with_fixes(fixes(ctx, d)), ) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_unnecessary_else.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_unnecessary_else.rs index 8d717b9093b..7dc5b5b45e5 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_unnecessary_else.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/remove_unnecessary_else.rs @@ -36,7 +36,6 @@ pub(crate) fn remove_unnecessary_else( "remove unnecessary else block", display_range, ) - .experimental() .with_fixes(fixes(ctx, d)), ) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs index 6b335c52de7..37ce5f583f9 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/replace_filter_map_next_with_find_map.rs @@ -21,6 +21,7 @@ pub(crate) fn replace_filter_map_next_with_find_map( "replace filter_map(..).next() with find_map(..)", InFile::new(d.file, d.next_expr.into()), ) + .stable() .with_fixes(fixes(ctx, d)) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_incorrect_safety.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_incorrect_safety.rs index 19ee1caa3e6..dd142db8590 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_incorrect_safety.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_incorrect_safety.rs @@ -33,6 +33,7 @@ pub(crate) fn trait_impl_incorrect_safety( }, ), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_missing_assoc_item.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_missing_assoc_item.rs index 2d7d78f5d7b..fa7ba90a756 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_missing_assoc_item.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_missing_assoc_item.rs @@ -29,6 +29,7 @@ pub(crate) fn trait_impl_missing_assoc_item( &|impl_| impl_.trait_().map(|t| t.syntax().text_range()), ), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_orphan.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_orphan.rs index 35dc9b0fac8..96911d4781b 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_orphan.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_orphan.rs @@ -16,8 +16,6 @@ pub(crate) fn trait_impl_orphan( .to_owned(), InFile::new(d.file_id, d.impl_.into()), ) - // Not yet checked for false positives - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_redundant_assoc_item.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_redundant_assoc_item.rs index d5c4bcf768a..4327b12dce7 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_redundant_assoc_item.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/trait_impl_redundant_assoc_item.rs @@ -61,6 +61,7 @@ pub(crate) fn trait_impl_redundant_assoc_item( format!("{redundant_item_name} is not a member of trait `{trait_name}`"), ide_db::FileRange { file_id: file_id.file_id(ctx.sema.db), range }, ) + .stable() .with_fixes(quickfix_for_redundant_assoc_item( ctx, d, diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs index 500c5de791d..076df1ab0f8 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs @@ -53,8 +53,8 @@ pub(crate) fn type_mismatch(ctx: &DiagnosticsContext<'_>, d: &hir::TypeMismatch) display_range, ) .with_fixes(fixes(ctx, d)); - if diag.fixes.is_none() { - diag.experimental = true; + if diag.fixes.is_some() { + diag.experimental = false; } diag } @@ -1243,4 +1243,18 @@ fn foo(v: &Enum) { "#, ); } + + #[test] + fn regression_19844() { + check_diagnostics( + r#" +fn main() { + struct S {} + enum E { V() } + let E::V() = &S {}; + // ^^^^^^ error: expected S, found E +} +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs index a933f1b4261..1915a88dd00 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs @@ -37,6 +37,7 @@ pub(crate) fn typed_hole(ctx: &DiagnosticsContext<'_>, d: &hir::TypedHole) -> Di }; Diagnostic::new(DiagnosticCode::RustcHardError("typed-hole"), message, display_range) + .stable() .with_fixes(fixes) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/undeclared_label.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/undeclared_label.rs index d16bfb80024..f81d34377da 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/undeclared_label.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/undeclared_label.rs @@ -12,6 +12,7 @@ pub(crate) fn undeclared_label( format!("use of undeclared label `{}`", name.display(ctx.sema.db, ctx.edition)), d.node.map(|it| it.into()), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unimplemented_builtin_macro.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unimplemented_builtin_macro.rs index 06f176f86f4..5627393f318 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unimplemented_builtin_macro.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unimplemented_builtin_macro.rs @@ -13,4 +13,5 @@ pub(crate) fn unimplemented_builtin_macro( "unimplemented built-in macro".to_owned(), d.node, ) + .stable() } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs index 47fa3059362..af9126c8933 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs @@ -2,7 +2,8 @@ use std::iter; -use hir::{DefMap, InFile, ModuleSource, db::DefDatabase}; +use hir::crate_def_map; +use hir::{DefMap, InFile, ModuleSource}; use ide_db::base_db::RootQueryDb; use ide_db::text_edit::TextEdit; use ide_db::{ @@ -101,7 +102,8 @@ fn fixes( // check crate roots, i.e. main.rs, lib.rs, ... let relevant_crates = db.relevant_crates(file_id); 'crates: for &krate in &*relevant_crates { - let crate_def_map = ctx.sema.db.crate_def_map(krate); + // FIXME: This shouldnt need to access the crate def map directly + let crate_def_map = crate_def_map(ctx.sema.db, krate); let root_module = &crate_def_map[DefMap::ROOT]; let Some(root_file_id) = root_module.origin.file_id() else { continue }; @@ -156,7 +158,7 @@ fn fixes( stack.pop(); let relevant_crates = db.relevant_crates(parent_id); 'crates: for &krate in relevant_crates.iter() { - let crate_def_map = ctx.sema.db.crate_def_map(krate); + let crate_def_map = crate_def_map(ctx.sema.db, krate); let Some((_, module)) = crate_def_map.modules().find(|(_, module)| { module.origin.file_id().map(|file_id| file_id.file_id(ctx.sema.db)) == Some(parent_id) && !module.origin.is_inline() diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unreachable_label.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unreachable_label.rs index bdff2417ca1..0c9e0d6ce44 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unreachable_label.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unreachable_label.rs @@ -12,6 +12,7 @@ pub(crate) fn unreachable_label( format!("use of unreachable label `{}`", name.display(ctx.sema.db, ctx.edition)), d.node.map(|it| it.into()), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_assoc_item.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_assoc_item.rs index 614057ab52b..4ae528bf9f2 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_assoc_item.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_assoc_item.rs @@ -13,7 +13,6 @@ pub(crate) fn unresolved_assoc_item( "no such associated item", d.expr_or_pat.map(Into::into), ) - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_extern_crate.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_extern_crate.rs index 4cd73d46d5f..7c3eacf7e3a 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_extern_crate.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_extern_crate.rs @@ -13,6 +13,7 @@ pub(crate) fn unresolved_extern_crate( "unresolved extern crate", d.decl.map(|it| it.into()), ) + .stable() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_field.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_field.rs index a4f4813cf5b..0649c97f820 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_field.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_field.rs @@ -52,7 +52,6 @@ pub(crate) fn unresolved_field( }), ) .with_fixes(fixes(ctx, d)) - .experimental() } fn fixes(ctx: &DiagnosticsContext<'_>, d: &hir::UnresolvedField) -> Option<Vec<Assist>> { diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_ident.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_ident.rs index 4f64dabeb52..801023dabd9 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_ident.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_ident.rs @@ -13,7 +13,6 @@ pub(crate) fn unresolved_ident( range.range = in_node_range + range.range.start(); } Diagnostic::new(DiagnosticCode::RustcHardError("E0425"), "no such value in this scope", range) - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_import.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_import.rs index 67c7e76a3bc..0da535d11b4 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_import.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_import.rs @@ -18,7 +18,6 @@ pub(crate) fn unresolved_import( // - `cfg_if!`-generated code in libstd (we don't load the sysroot correctly) // - `core::arch` (we don't handle `#[path = "../<path>"]` correctly) // - proc macros and/or proc macro generated code - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_macro_call.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_macro_call.rs index 0d1c9775062..a87b8c42ac1 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_macro_call.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_macro_call.rs @@ -16,7 +16,6 @@ pub(crate) fn unresolved_macro_call( format!("unresolved macro `{}{bang}`", d.path.display(ctx.sema.db, ctx.edition)), display_range, ) - .experimental() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs index 7f07009dc56..00c2a8c4c46 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs @@ -47,7 +47,6 @@ pub(crate) fn unresolved_method( }), ) .with_fixes(fixes(ctx, d)) - .experimental() } fn fixes(ctx: &DiagnosticsContext<'_>, d: &hir::UnresolvedMethodCall) -> Option<Vec<Assist>> { diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_module.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_module.rs index 599cabe3e4f..1a409d7e76a 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_module.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_module.rs @@ -28,6 +28,7 @@ pub(crate) fn unresolved_module( }, d.decl.map(|it| it.into()), ) + .stable() .with_fixes(fixes(ctx, d)) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unused_variables.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unused_variables.rs index 77b1075ea53..e6bbff05f7e 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unused_variables.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unused_variables.rs @@ -50,8 +50,7 @@ pub(crate) fn unused_variables( ast.file_id.is_macro(), ctx.edition, ) - })) - .experimental(), + })), ) } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs index 607721d611d..72bd66d1c8b 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs @@ -83,12 +83,11 @@ mod handlers { #[cfg(test)] mod tests; -use std::{collections::hash_map, iter, sync::LazyLock}; +use std::{iter, sync::LazyLock}; use either::Either; use hir::{ - Crate, DisplayTarget, HirFileId, InFile, Semantics, db::ExpandDatabase, - diagnostics::AnyDiagnostic, + Crate, DisplayTarget, InFile, Semantics, db::ExpandDatabase, diagnostics::AnyDiagnostic, }; use ide_db::{ EditionedFileId, FileId, FileRange, FxHashMap, FxHashSet, RootDatabase, Severity, SnippetCap, @@ -182,7 +181,7 @@ impl Diagnostic { DiagnosticCode::Ra(_, s) => s, }, unused: false, - experimental: false, + experimental: true, fixes: None, main_node: None, } @@ -198,8 +197,8 @@ impl Diagnostic { .with_main_node(node) } - fn experimental(mut self) -> Diagnostic { - self.experimental = true; + fn stable(mut self) -> Diagnostic { + self.experimental = false; self } @@ -424,14 +423,11 @@ pub fn semantic_diagnostics( AnyDiagnostic::MacroExpansionParseError(d) => { // FIXME: Point to the correct error span here, not just the macro-call name res.extend(d.errors.iter().take(16).map(|err| { - { Diagnostic::new( DiagnosticCode::SyntaxError, format!("Syntax Error in Expansion: {err}"), ctx.resolve_precise_location(&d.node.clone(), d.precise_location), ) - } - .experimental() })); continue; }, @@ -485,12 +481,8 @@ pub fn semantic_diagnostics( Some(it) => it, None => continue, }, - AnyDiagnostic::GenericArgsProhibited(d) => { - handlers::generic_args_prohibited::generic_args_prohibited(&ctx, &d) - } - AnyDiagnostic::ParenthesizedGenericArgsWithoutFnTrait(d) => { - handlers::parenthesized_generic_args_without_fn_trait::parenthesized_generic_args_without_fn_trait(&ctx, &d) - } + AnyDiagnostic::GenericArgsProhibited(d) => handlers::generic_args_prohibited::generic_args_prohibited(&ctx, &d), + AnyDiagnostic::ParenthesizedGenericArgsWithoutFnTrait(d) => handlers::parenthesized_generic_args_without_fn_trait::parenthesized_generic_args_without_fn_trait(&ctx, &d), AnyDiagnostic::BadRtn(d) => handlers::bad_rtn::bad_rtn(&ctx, &d), AnyDiagnostic::IncorrectGenericsLen(d) => handlers::incorrect_generics_len::incorrect_generics_len(&ctx, &d), AnyDiagnostic::IncorrectGenericsOrder(d) => handlers::incorrect_generics_order::incorrect_generics_order(&ctx, &d), @@ -520,13 +512,7 @@ pub fn semantic_diagnostics( // The edition isn't accurate (each diagnostics may have its own edition due to macros), // but it's okay as it's only being used for error recovery. - handle_lints( - &ctx.sema, - &mut FxHashMap::default(), - &mut lints, - &mut Vec::new(), - editioned_file_id.edition(db), - ); + handle_lints(&ctx.sema, &mut lints, editioned_file_id.edition(db)); res.retain(|d| d.severity != Severity::Allow); @@ -591,8 +577,6 @@ fn handle_diag_from_macros( true } -// `__RA_EVERY_LINT` is a fake lint group to allow every lint in proc macros - struct BuiltLint { lint: &'static Lint, groups: Vec<&'static str>, @@ -636,9 +620,7 @@ fn build_lints_map( fn handle_lints( sema: &Semantics<'_, RootDatabase>, - cache: &mut FxHashMap<HirFileId, FxHashMap<SmolStr, SeverityAttr>>, diagnostics: &mut [(InFile<SyntaxNode>, &mut Diagnostic)], - cache_stack: &mut Vec<HirFileId>, edition: Edition, ) { for (node, diag) in diagnostics { @@ -652,7 +634,8 @@ fn handle_lints( diag.severity = default_severity; } - let mut diag_severity = fill_lint_attrs(sema, node, cache, cache_stack, diag, edition); + let mut diag_severity = + lint_severity_at(sema, node, &lint_groups(&diag.code, edition), edition); if let outline_diag_severity @ Some(_) = find_outline_mod_lint_severity(sema, node, diag, edition) @@ -705,155 +688,22 @@ fn find_outline_mod_lint_severity( result } -#[derive(Debug, Clone, Copy)] -struct SeverityAttr { - severity: Severity, - /// This field counts how far we are from the main node. Bigger values mean more far. - /// - /// Note this isn't accurate: there can be gaps between values (created when merging severity maps). - /// The important thing is that if an attr is closer to the main node, it will have smaller value. - /// - /// This is necessary even though we take care to never overwrite a value from deeper nesting - /// because of lint groups. For example, in the following code: - /// ``` - /// #[warn(non_snake_case)] - /// mod foo { - /// #[allow(nonstandard_style)] - /// mod bar {} - /// } - /// ``` - /// We want to not warn on non snake case inside `bar`. If we are traversing this for the first - /// time, everything will be fine, because we will set `diag_severity` on the first matching group - /// and never overwrite it since then. But if `bar` is cached, the cache will contain both - /// `#[warn(non_snake_case)]` and `#[allow(nonstandard_style)]`, and without this field, we have - /// no way of differentiating between the two. - depth: u32, -} - -fn fill_lint_attrs( +fn lint_severity_at( sema: &Semantics<'_, RootDatabase>, node: &InFile<SyntaxNode>, - cache: &mut FxHashMap<HirFileId, FxHashMap<SmolStr, SeverityAttr>>, - cache_stack: &mut Vec<HirFileId>, - diag: &Diagnostic, + lint_groups: &LintGroups, edition: Edition, ) -> Option<Severity> { - let mut collected_lint_attrs = FxHashMap::<SmolStr, SeverityAttr>::default(); - let mut diag_severity = None; - - let mut ancestors = node.value.ancestors().peekable(); - let mut depth = 0; - loop { - let ancestor = ancestors.next().expect("we always return from top-level nodes"); - depth += 1; - - if ancestors.peek().is_none() { - // We don't want to insert too many nodes into cache, but top level nodes (aka. outline modules - // or macro expansions) need to touch the database so they seem like a good fit to cache. - - if let Some(cached) = cache.get_mut(&node.file_id) { - // This node (and everything above it) is already cached; the attribute is either here or nowhere. - - // Workaround for the borrow checker. - let cached = std::mem::take(cached); - - cached.iter().for_each(|(lint, severity)| { - for item in &*cache_stack { - let node_cache_entry = cache - .get_mut(item) - .expect("we always insert cached nodes into the cache map"); - let lint_cache_entry = node_cache_entry.entry(lint.clone()); - if let hash_map::Entry::Vacant(lint_cache_entry) = lint_cache_entry { - // Do not overwrite existing lint attributes, as we go bottom to top and bottom attrs - // overwrite top attrs. - lint_cache_entry.insert(SeverityAttr { - severity: severity.severity, - depth: severity.depth + depth, - }); - } - } - }); - - let lints = lint_groups(&diag.code, edition); - let all_matching_groups = - lints.iter().filter_map(|lint_group| cached.get(lint_group)); - let cached_severity = - all_matching_groups.min_by_key(|it| it.depth).map(|it| it.severity); - - cache.insert(node.file_id, cached); - - return diag_severity.or(cached_severity); - } - - // Insert this node's descendants' attributes into any outline descendant, but not including this node. - // This must come before inserting this node's own attributes to preserve order. - collected_lint_attrs.drain().for_each(|(lint, severity)| { - if diag_severity.is_none() && lint_groups(&diag.code, edition).contains(&lint) { - diag_severity = Some(severity.severity); - } - - for item in &*cache_stack { - let node_cache_entry = cache - .get_mut(item) - .expect("we always insert cached nodes into the cache map"); - let lint_cache_entry = node_cache_entry.entry(lint.clone()); - if let hash_map::Entry::Vacant(lint_cache_entry) = lint_cache_entry { - // Do not overwrite existing lint attributes, as we go bottom to top and bottom attrs - // overwrite top attrs. - lint_cache_entry.insert(severity); - } - } - }); - - cache_stack.push(node.file_id); - cache.insert(node.file_id, FxHashMap::default()); - - if let Some(ancestor) = ast::AnyHasAttrs::cast(ancestor) { - // Insert this node's attributes into any outline descendant, including this node. - lint_attrs(sema, ancestor, edition).for_each(|(lint, severity)| { - if diag_severity.is_none() && lint_groups(&diag.code, edition).contains(&lint) { - diag_severity = Some(severity); - } - - for item in &*cache_stack { - let node_cache_entry = cache - .get_mut(item) - .expect("we always insert cached nodes into the cache map"); - let lint_cache_entry = node_cache_entry.entry(lint.clone()); - if let hash_map::Entry::Vacant(lint_cache_entry) = lint_cache_entry { - // Do not overwrite existing lint attributes, as we go bottom to top and bottom attrs - // overwrite top attrs. - lint_cache_entry.insert(SeverityAttr { severity, depth }); - } - } - }); - } - - let parent_node = sema.find_parent_file(node.file_id); - if let Some(parent_node) = parent_node { - let parent_severity = - fill_lint_attrs(sema, &parent_node, cache, cache_stack, diag, edition); - if diag_severity.is_none() { - diag_severity = parent_severity; - } - } - cache_stack.pop(); - return diag_severity; - } else if let Some(ancestor) = ast::AnyHasAttrs::cast(ancestor) { - lint_attrs(sema, ancestor, edition).for_each(|(lint, severity)| { - if diag_severity.is_none() && lint_groups(&diag.code, edition).contains(&lint) { - diag_severity = Some(severity); - } - - let lint_cache_entry = collected_lint_attrs.entry(lint); - if let hash_map::Entry::Vacant(lint_cache_entry) = lint_cache_entry { - // Do not overwrite existing lint attributes, as we go bottom to top and bottom attrs - // overwrite top attrs. - lint_cache_entry.insert(SeverityAttr { severity, depth }); - } - }); - } - } + node.value + .ancestors() + .filter_map(ast::AnyHasAttrs::cast) + .find_map(|ancestor| { + lint_attrs(sema, ancestor, edition) + .find_map(|(lint, severity)| lint_groups.contains(&lint).then_some(severity)) + }) + .or_else(|| { + lint_severity_at(sema, &sema.find_parent_file(node.file_id)?, lint_groups, edition) + }) } fn lint_attrs<'a>( @@ -952,10 +802,6 @@ impl LintGroups { fn contains(&self, group: &str) -> bool { self.groups.contains(&group) || (self.inside_warnings && group == "warnings") } - - fn iter(&self) -> impl Iterator<Item = &'static str> { - self.groups.iter().copied().chain(self.inside_warnings.then_some("warnings")) - } } fn lint_groups(lint: &DiagnosticCode, edition: Edition) -> LintGroups { diff --git a/src/tools/rust-analyzer/crates/ide-ssr/src/lib.rs b/src/tools/rust-analyzer/crates/ide-ssr/src/lib.rs index 339c199ec29..43c56ac8bec 100644 --- a/src/tools/rust-analyzer/crates/ide-ssr/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-ssr/src/lib.rs @@ -287,7 +287,7 @@ impl<'db> MatchFinder<'db> { if let Some(expanded) = self.sema.expand_macro_call(¯o_call) { if let Some(tt) = macro_call.token_tree() { self.output_debug_for_nodes_at_range( - &expanded, + &expanded.value, range, &Some(self.sema.original_range(tt.syntax())), out, diff --git a/src/tools/rust-analyzer/crates/ide-ssr/src/search.rs b/src/tools/rust-analyzer/crates/ide-ssr/src/search.rs index d89911fca40..9afbedbb1ab 100644 --- a/src/tools/rust-analyzer/crates/ide-ssr/src/search.rs +++ b/src/tools/rust-analyzer/crates/ide-ssr/src/search.rs @@ -194,7 +194,7 @@ impl MatchFinder<'_> { // nodes that originated entirely from within the token tree of the macro call. // i.e. we don't want to match something that came from the macro itself. if let Some(range) = self.sema.original_range_opt(tt.syntax()) { - self.slow_scan_node(&expanded, rule, &Some(range), matches_out); + self.slow_scan_node(&expanded.value, rule, &Some(range), matches_out); } } } diff --git a/src/tools/rust-analyzer/crates/ide/src/doc_links.rs b/src/tools/rust-analyzer/crates/ide/src/doc_links.rs index f0247f32d7e..2c983287d89 100644 --- a/src/tools/rust-analyzer/crates/ide/src/doc_links.rs +++ b/src/tools/rust-analyzer/crates/ide/src/doc_links.rs @@ -5,17 +5,21 @@ mod tests; mod intra_doc_links; +use std::ops::Range; + use pulldown_cmark::{BrokenLink, CowStr, Event, InlineStr, LinkType, Options, Parser, Tag}; use pulldown_cmark_to_cmark::{Options as CMarkOptions, cmark_resume_with_options}; use stdx::format_to; use url::Url; -use hir::{Adt, AsAssocItem, AssocItem, AssocItemContainer, HasAttrs, db::HirDatabase, sym}; +use hir::{ + Adt, AsAssocItem, AssocItem, AssocItemContainer, AttrsWithOwner, HasAttrs, db::HirDatabase, sym, +}; use ide_db::{ RootDatabase, base_db::{CrateOrigin, LangCrateOrigin, ReleaseChannel, RootQueryDb}, defs::{Definition, NameClass, NameRefClass}, - documentation::{Documentation, HasDocs, docs_with_rangemap}, + documentation::{DocsRangeMap, Documentation, HasDocs, docs_with_rangemap}, helpers::pick_best_token, }; use syntax::{ @@ -46,11 +50,17 @@ const MARKDOWN_OPTIONS: Options = Options::ENABLE_FOOTNOTES.union(Options::ENABLE_TABLES).union(Options::ENABLE_TASKLISTS); /// Rewrite documentation links in markdown to point to an online host (e.g. docs.rs) -pub(crate) fn rewrite_links(db: &RootDatabase, markdown: &str, definition: Definition) -> String { +pub(crate) fn rewrite_links( + db: &RootDatabase, + markdown: &str, + definition: Definition, + range_map: Option<DocsRangeMap>, +) -> String { let mut cb = broken_link_clone_cb; - let doc = Parser::new_with_broken_link_callback(markdown, MARKDOWN_OPTIONS, Some(&mut cb)); + let doc = Parser::new_with_broken_link_callback(markdown, MARKDOWN_OPTIONS, Some(&mut cb)) + .into_offset_iter(); - let doc = map_links(doc, |target, title| { + let doc = map_links(doc, |target, title, range| { // This check is imperfect, there's some overlap between valid intra-doc links // and valid URLs so we choose to be too eager to try to resolve what might be // a URL. @@ -60,7 +70,16 @@ pub(crate) fn rewrite_links(db: &RootDatabase, markdown: &str, definition: Defin // Two possibilities: // * path-based links: `../../module/struct.MyStruct.html` // * module-based links (AKA intra-doc links): `super::super::module::MyStruct` - if let Some((target, title)) = rewrite_intra_doc_link(db, definition, target, title) { + let text_range = + TextRange::new(range.start.try_into().unwrap(), range.end.try_into().unwrap()); + let is_inner_doc = range_map + .as_ref() + .and_then(|range_map| range_map.map(text_range)) + .map(|(_, attr_id)| attr_id.is_inner_attr()) + .unwrap_or(false); + if let Some((target, title)) = + rewrite_intra_doc_link(db, definition, target, title, is_inner_doc) + { (None, target, title) } else if let Some(target) = rewrite_url_link(db, definition, target) { (Some(LinkType::Inline), target, title.to_owned()) @@ -195,22 +214,23 @@ pub(crate) fn resolve_doc_path_for_def( def: Definition, link: &str, ns: Option<hir::Namespace>, + is_inner_doc: bool, ) -> Option<Definition> { match def { - Definition::Module(it) => it.resolve_doc_path(db, link, ns), - Definition::Crate(it) => it.resolve_doc_path(db, link, ns), - Definition::Function(it) => it.resolve_doc_path(db, link, ns), - Definition::Adt(it) => it.resolve_doc_path(db, link, ns), - Definition::Variant(it) => it.resolve_doc_path(db, link, ns), - Definition::Const(it) => it.resolve_doc_path(db, link, ns), - Definition::Static(it) => it.resolve_doc_path(db, link, ns), - Definition::Trait(it) => it.resolve_doc_path(db, link, ns), - Definition::TraitAlias(it) => it.resolve_doc_path(db, link, ns), - Definition::TypeAlias(it) => it.resolve_doc_path(db, link, ns), - Definition::Macro(it) => it.resolve_doc_path(db, link, ns), - Definition::Field(it) => it.resolve_doc_path(db, link, ns), - Definition::SelfType(it) => it.resolve_doc_path(db, link, ns), - Definition::ExternCrateDecl(it) => it.resolve_doc_path(db, link, ns), + Definition::Module(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Crate(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Function(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Adt(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Variant(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Const(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Static(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Trait(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::TraitAlias(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::TypeAlias(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Macro(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::Field(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::SelfType(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), + Definition::ExternCrateDecl(it) => it.resolve_doc_path(db, link, ns, is_inner_doc), Definition::BuiltinAttr(_) | Definition::BuiltinType(_) | Definition::BuiltinLifetime(_) @@ -289,31 +309,58 @@ impl DocCommentToken { let relative_comment_offset = offset - original_start - prefix_len; sema.descend_into_macros(doc_token).into_iter().find_map(|t| { - let (node, descended_prefix_len) = match_ast! { + let (node, descended_prefix_len, is_inner) = match_ast!{ match t { - ast::Comment(comment) => (t.parent()?, TextSize::try_from(comment.prefix().len()).ok()?), - ast::String(string) => (t.parent_ancestors().skip_while(|n| n.kind() != ATTR).nth(1)?, string.open_quote_text_range()?.len()), + ast::Comment(comment) => { + (t.parent()?, TextSize::try_from(comment.prefix().len()).ok()?, comment.is_inner()) + }, + ast::String(string) => { + let attr = t.parent_ancestors().find_map(ast::Attr::cast)?; + let attr_is_inner = attr.excl_token().map(|excl| excl.kind() == BANG).unwrap_or(false); + (attr.syntax().parent()?, string.open_quote_text_range()?.len(), attr_is_inner) + }, _ => return None, } }; let token_start = t.text_range().start(); let abs_in_expansion_offset = token_start + relative_comment_offset + descended_prefix_len; - - let (attributes, def) = doc_attributes(sema, &node)?; + let (attributes, def) = Self::doc_attributes(sema, &node, is_inner)?; let (docs, doc_mapping) = docs_with_rangemap(sema.db, &attributes)?; - let (in_expansion_range, link, ns) = + let (in_expansion_range, link, ns, is_inner) = extract_definitions_from_docs(&docs).into_iter().find_map(|(range, link, ns)| { - let mapped = doc_mapping.map(range)?; - (mapped.value.contains(abs_in_expansion_offset)).then_some((mapped.value, link, ns)) + let (mapped, idx) = doc_mapping.map(range)?; + (mapped.value.contains(abs_in_expansion_offset)).then_some((mapped.value, link, ns, idx.is_inner_attr())) })?; // get the relative range to the doc/attribute in the expansion let in_expansion_relative_range = in_expansion_range - descended_prefix_len - token_start; // Apply relative range to the original input comment let absolute_range = in_expansion_relative_range + original_start + prefix_len; - let def = resolve_doc_path_for_def(sema.db, def, &link, ns)?; + let def = resolve_doc_path_for_def(sema.db, def, &link, ns, is_inner)?; cb(def, node, absolute_range) }) } + + /// When we hover a inner doc item, this find a attached definition. + /// ``` + /// // node == ITEM_LIST + /// // node.parent == EXPR_BLOCK + /// // node.parent().parent() == FN + /// fn f() { + /// //! [`S$0`] + /// } + /// ``` + fn doc_attributes( + sema: &Semantics<'_, RootDatabase>, + node: &SyntaxNode, + is_inner_doc: bool, + ) -> Option<(AttrsWithOwner, Definition)> { + if is_inner_doc && node.kind() != SOURCE_FILE { + let parent = node.parent()?; + doc_attributes(sema, &parent).or(doc_attributes(sema, &parent.parent()?)) + } else { + doc_attributes(sema, node) + } + } } fn broken_link_clone_cb(link: BrokenLink<'_>) -> Option<(CowStr<'_>, CowStr<'_>)> { @@ -369,6 +416,7 @@ fn rewrite_intra_doc_link( def: Definition, target: &str, title: &str, + is_inner_doc: bool, ) -> Option<(String, String)> { let (link, ns) = parse_intra_doc_link(target); @@ -377,7 +425,7 @@ fn rewrite_intra_doc_link( None => (link, None), }; - let resolved = resolve_doc_path_for_def(db, def, link, ns)?; + let resolved = resolve_doc_path_for_def(db, def, link, ns, is_inner_doc)?; let mut url = get_doc_base_urls(db, resolved, None, None).0?; let (_, file, frag) = filename_and_frag_for_def(db, resolved)?; @@ -421,8 +469,8 @@ fn mod_path_of_def(db: &RootDatabase, def: Definition) -> Option<String> { /// Rewrites a markdown document, applying 'callback' to each link. fn map_links<'e>( - events: impl Iterator<Item = Event<'e>>, - callback: impl Fn(&str, &str) -> (Option<LinkType>, String, String), + events: impl Iterator<Item = (Event<'e>, Range<usize>)>, + callback: impl Fn(&str, &str, Range<usize>) -> (Option<LinkType>, String, String), ) -> impl Iterator<Item = Event<'e>> { let mut in_link = false; // holds the origin link target on start event and the rewritten one on end event @@ -432,7 +480,7 @@ fn map_links<'e>( // `Shortcut` type parsed from Start/End tags doesn't make sense for url links let mut end_link_type: Option<LinkType> = None; - events.map(move |evt| match evt { + events.map(move |(evt, range)| match evt { Event::Start(Tag::Link(link_type, ref target, _)) => { in_link = true; end_link_target = Some(target.clone()); @@ -449,7 +497,7 @@ fn map_links<'e>( } Event::Text(s) if in_link => { let (link_type, link_target_s, link_name) = - callback(&end_link_target.take().unwrap(), &s); + callback(&end_link_target.take().unwrap(), &s, range); end_link_target = Some(CowStr::Boxed(link_target_s.into())); if !matches!(end_link_type, Some(LinkType::Autolink)) { end_link_type = link_type; @@ -458,7 +506,7 @@ fn map_links<'e>( } Event::Code(s) if in_link => { let (link_type, link_target_s, link_name) = - callback(&end_link_target.take().unwrap(), &s); + callback(&end_link_target.take().unwrap(), &s, range); end_link_target = Some(CowStr::Boxed(link_target_s.into())); if !matches!(end_link_type, Some(LinkType::Autolink)) { end_link_type = link_type; diff --git a/src/tools/rust-analyzer/crates/ide/src/doc_links/tests.rs b/src/tools/rust-analyzer/crates/ide/src/doc_links/tests.rs index 91785be8d8b..6af156fa668 100644 --- a/src/tools/rust-analyzer/crates/ide/src/doc_links/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/doc_links/tests.rs @@ -5,7 +5,7 @@ use hir::Semantics; use ide_db::{ FilePosition, FileRange, RootDatabase, defs::Definition, - documentation::{Documentation, HasDocs}, + documentation::{DocsRangeMap, Documentation, HasDocs}, }; use itertools::Itertools; use syntax::{AstNode, SyntaxNode, ast, match_ast}; @@ -45,8 +45,8 @@ fn check_external_docs( fn check_rewrite(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: Expect) { let (analysis, position) = fixture::position(ra_fixture); let sema = &Semantics::new(&analysis.db); - let (cursor_def, docs) = def_under_cursor(sema, &position); - let res = rewrite_links(sema.db, docs.as_str(), cursor_def); + let (cursor_def, docs, range) = def_under_cursor(sema, &position); + let res = rewrite_links(sema.db, docs.as_str(), cursor_def, Some(range)); expect.assert_eq(&res) } @@ -56,12 +56,14 @@ fn check_doc_links(#[rust_analyzer::rust_fixture] ra_fixture: &str) { let (analysis, position, mut expected) = fixture::annotations(ra_fixture); expected.sort_by_key(key_fn); let sema = &Semantics::new(&analysis.db); - let (cursor_def, docs) = def_under_cursor(sema, &position); + let (cursor_def, docs, range) = def_under_cursor(sema, &position); let defs = extract_definitions_from_docs(&docs); let actual: Vec<_> = defs .into_iter() - .flat_map(|(_, link, ns)| { - let def = resolve_doc_path_for_def(sema.db, cursor_def, &link, ns) + .flat_map(|(text_range, link, ns)| { + let attr = range.map(text_range); + let is_inner_attr = attr.map(|(_file, attr)| attr.is_inner_attr()).unwrap_or(false); + let def = resolve_doc_path_for_def(sema.db, cursor_def, &link, ns, is_inner_attr) .unwrap_or_else(|| panic!("Failed to resolve {link}")); def.try_to_nav(sema.db).unwrap().into_iter().zip(iter::repeat(link)) }) @@ -78,7 +80,7 @@ fn check_doc_links(#[rust_analyzer::rust_fixture] ra_fixture: &str) { fn def_under_cursor( sema: &Semantics<'_, RootDatabase>, position: &FilePosition, -) -> (Definition, Documentation) { +) -> (Definition, Documentation, DocsRangeMap) { let (docs, def) = sema .parse_guess_edition(position.file_id) .syntax() @@ -89,31 +91,31 @@ fn def_under_cursor( .find_map(|it| node_to_def(sema, &it)) .expect("no def found") .unwrap(); - let docs = docs.expect("no docs found for cursor def"); - (def, docs) + let (docs, range) = docs.expect("no docs found for cursor def"); + (def, docs, range) } fn node_to_def( sema: &Semantics<'_, RootDatabase>, node: &SyntaxNode, -) -> Option<Option<(Option<Documentation>, Definition)>> { +) -> Option<Option<(Option<(Documentation, DocsRangeMap)>, Definition)>> { Some(match_ast! { match node { - ast::SourceFile(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Module(def))), - ast::Module(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Module(def))), - ast::Fn(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Function(def))), - ast::Struct(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Adt(hir::Adt::Struct(def)))), - ast::Union(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Adt(hir::Adt::Union(def)))), - ast::Enum(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Adt(hir::Adt::Enum(def)))), - ast::Variant(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Variant(def))), - ast::Trait(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Trait(def))), - ast::Static(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Static(def))), - ast::Const(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Const(def))), - ast::TypeAlias(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::TypeAlias(def))), - ast::Impl(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::SelfType(def))), - ast::RecordField(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Field(def))), - ast::TupleField(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Field(def))), - ast::Macro(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Macro(def))), + ast::SourceFile(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Module(def))), + ast::Module(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Module(def))), + ast::Fn(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Function(def))), + ast::Struct(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Adt(hir::Adt::Struct(def)))), + ast::Union(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Adt(hir::Adt::Union(def)))), + ast::Enum(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Adt(hir::Adt::Enum(def)))), + ast::Variant(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Variant(def))), + ast::Trait(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Trait(def))), + ast::Static(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Static(def))), + ast::Const(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Const(def))), + ast::TypeAlias(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::TypeAlias(def))), + ast::Impl(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::SelfType(def))), + ast::RecordField(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Field(def))), + ast::TupleField(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Field(def))), + ast::Macro(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Macro(def))), // ast::Use(it) => sema.to_def(&it).map(|def| (Box::new(it) as _, def.attrs(sema.db))), _ => return None, } @@ -576,6 +578,40 @@ struct S$0(i32); } #[test] +fn doc_links_module() { + check_doc_links( + r#" +/// [`M`] +/// [`M::f`] +mod M$0 { + //^ M + #![doc = "inner_item[`S`]"] + + pub fn f() {} + //^ M::f + pub struct S; + //^ S +} +"#, + ); + + check_doc_links( + r#" +mod M$0 { + //^ super::M + //! [`super::M`] + //! [`super::M::f`] + //! [`super::M::S`] + pub fn f() {} + //^ super::M::f + pub struct S; + //^ super::M::S +} +"#, + ); +} + +#[test] fn rewrite_html_root_url() { check_rewrite( r#" @@ -691,6 +727,29 @@ fn rewrite_intra_doc_link_with_anchor() { } #[test] +fn rewrite_module() { + check_rewrite( + r#" +//- /main.rs crate:foo +/// [Foo] +pub mod $0Foo{ +}; +"#, + expect"#]], + ); + + check_rewrite( + r#" +//- /main.rs crate:foo +pub mod $0Foo{ + //! [super::Foo] +}; +"#, + expect"#]], + ); +} + +#[test] fn rewrite_intra_doc_link_to_associated_item() { check_rewrite( r#" diff --git a/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs b/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs index 241a702038d..7c396339c14 100644 --- a/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs +++ b/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs @@ -1,10 +1,10 @@ use hir::db::ExpandDatabase; -use hir::{ExpandResult, InFile, Semantics}; +use hir::{ExpandResult, InFile, InRealFile, Semantics}; use ide_db::{ FileId, RootDatabase, base_db::Crate, helpers::pick_best_token, syntax_helpers::prettify_macro_expansion, }; -use span::{Edition, SpanMap, SyntaxContext, TextRange, TextSize}; +use span::{SpanMap, SyntaxContext, TextRange, TextSize}; use stdx::format_to; use syntax::{AstNode, NodeOrToken, SyntaxKind, SyntaxNode, T, ast, ted}; @@ -26,8 +26,9 @@ pub struct ExpandedMacro { //  pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<ExpandedMacro> { let sema = Semantics::new(db); - let file = sema.parse_guess_edition(position.file_id); - let krate = sema.file_to_module_def(position.file_id)?.krate().into(); + let file_id = sema.attach_first_edition(position.file_id)?; + let file = sema.parse(file_id); + let krate = sema.file_to_module_def(file_id.file_id(db))?.krate().into(); let tok = pick_best_token(file.syntax().token_at_offset(position.offset), |kind| match kind { SyntaxKind::IDENT => 1, @@ -86,7 +87,10 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option< return derive; } - let mut anc = tok.parent_ancestors(); + let mut anc = sema + .descend_token_into_include_expansion(InRealFile::new(file_id, tok)) + .value + .parent_ancestors(); let mut span_map = SpanMap::empty(); let mut error = String::new(); let (name, expanded, kind) = loop { @@ -95,14 +99,7 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option< if let Some(item) = ast::Item::cast(node.clone()) { if let Some(def) = sema.resolve_attr_macro_call(&item) { break ( - def.name(db) - .display( - db, - sema.attach_first_edition(position.file_id) - .map(|it| it.edition(db)) - .unwrap_or(Edition::CURRENT), - ) - .to_string(), + def.name(db).display(db, file_id.edition(db)).to_string(), expand_macro_recur(&sema, &item, &mut error, &mut span_map, TextSize::new(0))?, SyntaxKind::MACRO_ITEMS, ); @@ -146,10 +143,11 @@ fn expand_macro_recur( offset_in_original_node: TextSize, ) -> Option<SyntaxNode> { let ExpandResult { value: expanded, err } = match macro_call { - item @ ast::Item::MacroCall(macro_call) => { - sema.expand_attr_macro(item).or_else(|| sema.expand_allowed_builtins(macro_call))? - } - item => sema.expand_attr_macro(item)?, + item @ ast::Item::MacroCall(macro_call) => sema + .expand_attr_macro(item) + .map(|it| it.map(|it| it.value)) + .or_else(|| sema.expand_allowed_builtins(macro_call))?, + item => sema.expand_attr_macro(item)?.map(|it| it.value), }; let expanded = expanded.clone_for_update(); if let Some(err) = err { @@ -718,4 +716,88 @@ __log!(written:%; "Test"$0); "#]], ); } + + #[test] + fn assoc_call() { + check( + r#" +macro_rules! mac { + () => { fn assoc() {} } +} +impl () { + mac$0!(); +} + "#, + expect![[r#" + mac! + fn assoc(){}"#]], + ); + } + + #[test] + fn eager() { + check( + r#" +//- minicore: concat +macro_rules! my_concat { + ($head:expr, $($tail:tt)*) => { concat!($head, $($tail)*) }; +} + + +fn test() { + _ = my_concat!( + conc$0at!("<", ">"), + "hi", + ); +} + "#, + expect![[r#" + my_concat! + "<>hi""#]], + ); + } + + #[test] + fn in_included() { + check( + r#" +//- minicore: include +//- /main.rs crate:main +include!("./included.rs"); +//- /included.rs +macro_rules! foo { + () => { fn item() {} }; +} +foo$0!(); +"#, + expect![[r#" + foo! + fn item(){}"#]], + ); + } + + #[test] + fn include() { + check( + r#" +//- minicore: include +//- /main.rs crate:main +include$0!("./included.rs"); +//- /included.rs +macro_rules! foo { + () => { fn item() {} }; +} +foo(); +"#, + expect![[r#" + include! + macro_rules! foo { + () => { + fn item(){} + + }; + } + foo();"#]], + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs b/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs index b894e857522..c60ca3562f6 100644 --- a/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs +++ b/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs @@ -1923,6 +1923,74 @@ pub fn foo() { } } #[test] + fn goto_def_for_intra_doc_link_outer_same_file() { + check( + r#" +/// [`S$0`] +mod m { + //! [`super::S`] +} +struct S; + //^ + "#, + ); + + check( + r#" +/// [`S$0`] +mod m {} +struct S; + //^ + "#, + ); + + check( + r#" +/// [`S$0`] +fn f() { + //! [`S`] +} +struct S; + //^ + "#, + ); + } + + #[test] + fn goto_def_for_intra_doc_link_inner_same_file() { + check( + r#" +/// [`S`] +mod m { + //! [`super::S$0`] +} +struct S; + //^ + "#, + ); + + check( + r#" +mod m { + //! [`super::S$0`] +} +struct S; + //^ + "#, + ); + + check( + r#" +fn f() { + //! [`S$0`] +} +struct S; + //^ + "#, + ); + } + + #[test] fn goto_def_for_intra_doc_link_inner() { check( r#" diff --git a/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs b/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs index 80624eeae80..520ba39a238 100644 --- a/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs +++ b/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs @@ -89,6 +89,9 @@ pub(crate) fn highlight_related( T![break] | T![loop] | T![while] | T![continue] if config.break_points => { highlight_break_points(sema, token).remove(&file_id) } + T![unsafe] if token.parent().and_then(ast::BlockExpr::cast).is_some() => { + highlight_unsafe_points(sema, token).remove(&file_id) + } T![|] if config.closure_captures => { highlight_closure_captures(sema, token, file_id, span_file_id.file_id()) } @@ -650,7 +653,7 @@ impl<'a> WalkExpandedExprCtx<'a> { expr.macro_call().and_then(|call| self.sema.expand_macro_call(&call)) { match_ast! { - match expanded { + match (expanded.value) { ast::MacroStmts(it) => { self.handle_expanded(it, cb); }, @@ -706,6 +709,44 @@ impl<'a> WalkExpandedExprCtx<'a> { } } +pub(crate) fn highlight_unsafe_points( + sema: &Semantics<'_, RootDatabase>, + token: SyntaxToken, +) -> FxHashMap<EditionedFileId, Vec<HighlightedRange>> { + fn hl( + sema: &Semantics<'_, RootDatabase>, + unsafe_token: &SyntaxToken, + block_expr: Option<ast::BlockExpr>, + ) -> Option<FxHashMap<EditionedFileId, Vec<HighlightedRange>>> { + let mut highlights: FxHashMap<EditionedFileId, Vec<_>> = FxHashMap::default(); + + let mut push_to_highlights = |file_id, range| { + if let Some(FileRange { file_id, range }) = original_frange(sema.db, file_id, range) { + let hrange = HighlightedRange { category: ReferenceCategory::empty(), range }; + highlights.entry(file_id).or_default().push(hrange); + } + }; + + // highlight unsafe keyword itself + let unsafe_token_file_id = sema.hir_file_for(&unsafe_token.parent()?); + push_to_highlights(unsafe_token_file_id, Some(unsafe_token.text_range())); + + // highlight unsafe operations + if let Some(block) = block_expr { + if let Some(body) = sema.body_for(InFile::new(unsafe_token_file_id, block.syntax())) { + let unsafe_ops = sema.get_unsafe_ops(body); + for unsafe_op in unsafe_ops { + push_to_highlights(unsafe_op.file_id, Some(unsafe_op.value.text_range())); + } + } + } + + Some(highlights) + } + + hl(sema, &token, token.parent().and_then(ast::BlockExpr::cast)).unwrap_or_default() +} + #[cfg(test)] mod tests { use itertools::Itertools; @@ -755,6 +796,32 @@ mod tests { } #[test] + fn test_hl_unsafe_block() { + check( + r#" +fn foo() { + unsafe fn this_is_unsafe_function() {} + + unsa$0fe { + //^^^^^^ + let raw_ptr = &42 as *const i32; + let val = *raw_ptr; + //^^^^^^^^ + + let mut_ptr = &mut 5 as *mut i32; + *mut_ptr = 10; + //^^^^^^^^ + + this_is_unsafe_function(); + //^^^^^^^^^^^^^^^^^^^^^^^^^ + } + +} +"#, + ); + } + + #[test] fn test_hl_tuple_fields() { check( r#" diff --git a/src/tools/rust-analyzer/crates/ide/src/hover.rs b/src/tools/rust-analyzer/crates/ide/src/hover.rs index 075afcec019..8bb1c708e25 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover.rs @@ -58,6 +58,7 @@ pub struct MemoryLayoutHoverConfig { pub size: Option<MemoryLayoutHoverRenderKind>, pub offset: Option<MemoryLayoutHoverRenderKind>, pub alignment: Option<MemoryLayoutHoverRenderKind>, + pub padding: Option<MemoryLayoutHoverRenderKind>, pub niches: bool, } @@ -456,7 +457,7 @@ pub(crate) fn hover_for_definition( let notable_traits = def_ty.map(|ty| notable_traits(db, &ty)).unwrap_or_default(); let subst_types = subst.map(|subst| subst.types(db)); - let markup = render::definition( + let (markup, range_map) = render::definition( sema.db, def, famous_defs.as_ref(), @@ -469,7 +470,7 @@ pub(crate) fn hover_for_definition( display_target, ); HoverResult { - markup: render::process_markup(sema.db, def, &markup, config), + markup: render::process_markup(sema.db, def, &markup, range_map, config), actions: [ show_fn_references_action(sema.db, def), show_implementations_action(sema.db, def), diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/render.rs b/src/tools/rust-analyzer/crates/ide/src/hover/render.rs index 69b83f3b12d..c24864a18bd 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/render.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/render.rs @@ -11,7 +11,7 @@ use hir::{ use ide_db::{ RootDatabase, defs::Definition, - documentation::HasDocs, + documentation::{DocsRangeMap, HasDocs}, famous_defs::FamousDefs, generated::lints::{CLIPPY_LINTS, DEFAULT_LINTS, FEATURES}, syntax_helpers::prettify_macro_expansion, @@ -21,7 +21,7 @@ use rustc_apfloat::{ Float, ieee::{Half as f16, Quad as f128}, }; -use span::Edition; +use span::{Edition, TextSize}; use stdx::format_to; use syntax::{AstNode, AstToken, Direction, SyntaxToken, T, algo, ast, match_ast}; @@ -276,13 +276,10 @@ pub(super) fn keyword( keyword_hints(sema, token, parent, edition, display_target); let doc_owner = find_std_module(&famous_defs, &keyword_mod, edition)?; - let docs = doc_owner.docs(sema.db)?; - let markup = process_markup( - sema.db, - Definition::Module(doc_owner), - &markup(Some(docs.into()), description, None, None, String::new()), - config, - ); + let (docs, range_map) = doc_owner.docs_with_rangemap(sema.db)?; + let (markup, range_map) = + markup(Some(docs.into()), Some(range_map), description, None, None, String::new()); + let markup = process_markup(sema.db, Definition::Module(doc_owner), &markup, range_map, config); Some(HoverResult { markup, actions }) } @@ -371,11 +368,15 @@ pub(super) fn process_markup( db: &RootDatabase, def: Definition, markup: &Markup, + markup_range_map: Option<DocsRangeMap>, config: &HoverConfig, ) -> Markup { let markup = markup.as_str(); - let markup = - if config.links_in_hover { rewrite_links(db, markup, def) } else { remove_links(markup) }; + let markup = if config.links_in_hover { + rewrite_links(db, markup, def, markup_range_map) + } else { + remove_links(markup) + }; Markup::from(markup) } @@ -482,7 +483,7 @@ pub(super) fn definition( config: &HoverConfig, edition: Edition, display_target: DisplayTarget, -) -> Markup { +) -> (Markup, Option<DocsRangeMap>) { let mod_path = definition_path(db, &def, edition); let label = match def { Definition::Trait(trait_) => trait_ @@ -518,7 +519,12 @@ pub(super) fn definition( } _ => def.label(db, display_target), }; - let docs = def.docs(db, famous_defs, display_target); + let (docs, range_map) = + if let Some((docs, doc_range)) = def.docs_with_rangemap(db, famous_defs, display_target) { + (Some(docs), doc_range) + } else { + (None, None) + }; let value = || match def { Definition::Variant(it) => { if !it.parent_enum(db).is_data_carrying(db) { @@ -624,27 +630,57 @@ pub(super) fn definition( } }, |_| None, + |_| None, + ), + Definition::Adt(it @ Adt::Struct(strukt)) => render_memory_layout( + config.memory_layout, + || it.layout(db), + |_| None, + |layout| { + let mut field_size = + |i: usize| Some(strukt.fields(db).get(i)?.layout(db).ok()?.size()); + if strukt.repr(db).is_some_and(|it| it.inhibit_struct_field_reordering()) { + Some(("tail padding", layout.tail_padding(&mut field_size)?)) + } else { + Some(("largest padding", layout.largest_padding(&mut field_size)?)) + } + }, + |_| None, + ), + Definition::Adt(it) => render_memory_layout( + config.memory_layout, + || it.layout(db), + |_| None, + |_| None, + |_| None, ), - Definition::Adt(it) => { - render_memory_layout(config.memory_layout, || it.layout(db), |_| None, |_| None) - } Definition::Variant(it) => render_memory_layout( config.memory_layout, || it.layout(db), |_| None, + |_| None, |layout| layout.enum_tag_size(), ), - Definition::TypeAlias(it) => { - render_memory_layout(config.memory_layout, || it.ty(db).layout(db), |_| None, |_| None) - } - Definition::Local(it) => { - render_memory_layout(config.memory_layout, || it.ty(db).layout(db), |_| None, |_| None) - } + Definition::TypeAlias(it) => render_memory_layout( + config.memory_layout, + || it.ty(db).layout(db), + |_| None, + |_| None, + |_| None, + ), + Definition::Local(it) => render_memory_layout( + config.memory_layout, + || it.ty(db).layout(db), + |_| None, + |_| None, + |_| None, + ), Definition::SelfType(it) => render_memory_layout( config.memory_layout, || it.self_ty(db).layout(db), |_| None, |_| None, + |_| None, ), _ => None, }; @@ -807,6 +843,7 @@ pub(super) fn definition( markup( docs.map(Into::into), + range_map, desc, extra.is_empty().not().then_some(extra), mod_path, @@ -1048,9 +1085,13 @@ fn closure_ty( if let Some(trait_) = c.fn_trait(sema.db).get_id(sema.db, original.krate(sema.db).into()) { push_new_def(hir::Trait::from(trait_).into()) } - if let Some(layout) = - render_memory_layout(config.memory_layout, || original.layout(sema.db), |_| None, |_| None) - { + if let Some(layout) = render_memory_layout( + config.memory_layout, + || original.layout(sema.db), + |_| None, + |_| None, + |_| None, + ) { format_to!(markup, "\n___\n{layout}"); } format_to!(markup, "{adjusted}\n\n## Captures\n{}", captures_rendered,); @@ -1083,11 +1124,12 @@ fn definition_path(db: &RootDatabase, &def: &Definition, edition: Edition) -> Op fn markup( docs: Option<String>, + range_map: Option<DocsRangeMap>, rust: String, extra: Option<String>, mod_path: Option<String>, subst_types: String, -) -> Markup { +) -> (Markup, Option<DocsRangeMap>) { let mut buf = String::new(); if let Some(mod_path) = mod_path { @@ -1106,9 +1148,15 @@ fn markup( } if let Some(doc) = docs { - format_to!(buf, "\n___\n\n{}", doc); + format_to!(buf, "\n___\n\n"); + let offset = TextSize::new(buf.len() as u32); + let buf_range_map = range_map.map(|range_map| range_map.shift_docstring_line_range(offset)); + format_to!(buf, "{}", doc); + + (buf.into(), buf_range_map) + } else { + (buf.into(), None) } - buf.into() } fn find_std_module( @@ -1128,6 +1176,7 @@ fn render_memory_layout( config: Option<MemoryLayoutHoverConfig>, layout: impl FnOnce() -> Result<Layout, LayoutError>, offset: impl FnOnce(&Layout) -> Option<u64>, + padding: impl FnOnce(&Layout) -> Option<(&str, u64)>, tag: impl FnOnce(&Layout) -> Option<usize>, ) -> Option<String> { let config = config?; @@ -1185,6 +1234,23 @@ fn render_memory_layout( } } + if let Some(render) = config.padding { + if let Some((padding_name, padding)) = padding(&layout) { + format_to!(label, "{padding_name} = "); + match render { + MemoryLayoutHoverRenderKind::Decimal => format_to!(label, "{padding}"), + MemoryLayoutHoverRenderKind::Hexadecimal => format_to!(label, "{padding:#X}"), + MemoryLayoutHoverRenderKind::Both if padding >= 10 => { + format_to!(label, "{padding} ({padding:#X})") + } + MemoryLayoutHoverRenderKind::Both => { + format_to!(label, "{padding}") + } + } + format_to!(label, ", "); + } + } + if config.niches { if let Some(niches) = layout.niches() { if niches > 1024 { diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs index 7b7eef9d579..a281a491525 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs @@ -12,6 +12,7 @@ const HOVER_BASE_CONFIG: HoverConfig = HoverConfig { size: Some(MemoryLayoutHoverRenderKind::Both), offset: Some(MemoryLayoutHoverRenderKind::Both), alignment: Some(MemoryLayoutHoverRenderKind::Both), + padding: Some(MemoryLayoutHoverRenderKind::Both), niches: true, }), documentation: true, @@ -933,7 +934,7 @@ struct Foo$0(pub u32) where u32: Copy; --- - size = 4, align = 4, no Drop + size = 4, align = 4, largest padding = 0, no Drop "#]], ); } @@ -959,7 +960,7 @@ struct Foo$0 { field: u32 } --- - size = 4, align = 4, no Drop + size = 4, align = 4, largest padding = 0, no Drop "#]], ); check( @@ -984,7 +985,7 @@ struct Foo$0 where u32: Copy { field: u32 } --- - size = 4, align = 4, no Drop + size = 4, align = 4, largest padding = 0, no Drop "#]], ); } @@ -1013,7 +1014,7 @@ fn hover_record_struct_limit() { --- - size = 12 (0xC), align = 4, no Drop + size = 12 (0xC), align = 4, largest padding = 0, no Drop "#]], ); check_hover_fields_limit( @@ -1036,7 +1037,7 @@ fn hover_record_struct_limit() { --- - size = 4, align = 4, no Drop + size = 4, align = 4, largest padding = 0, no Drop "#]], ); check_hover_fields_limit( @@ -1062,7 +1063,7 @@ fn hover_record_struct_limit() { --- - size = 16 (0x10), align = 4, no Drop + size = 16 (0x10), align = 4, largest padding = 0, no Drop "#]], ); check_hover_fields_limit( @@ -1083,7 +1084,7 @@ fn hover_record_struct_limit() { --- - size = 12 (0xC), align = 4, no Drop + size = 12 (0xC), align = 4, largest padding = 0, no Drop "#]], ); check_hover_fields_limit( @@ -1104,7 +1105,7 @@ fn hover_record_struct_limit() { --- - size = 12 (0xC), align = 4, no Drop + size = 12 (0xC), align = 4, largest padding = 0, no Drop "#]], ); @@ -3114,7 +3115,7 @@ struct S$0<T>(core::marker::PhantomData<T>); --- - size = 0, align = 1, no Drop + size = 0, align = 1, largest padding = 0, no Drop "#]], ); } @@ -3148,6 +3149,111 @@ fn test_hover_layout_of_enum() { } #[test] +fn test_hover_layout_padding_info() { + check( + r#"struct $0Foo { + x: bool, + y: i64, + z: u32, + }"#, + expect![[r#" + *Foo* + + ```rust + ra_test_fixture + ``` + + ```rust + struct Foo { + x: bool, + y: i64, + z: u32, + } + ``` + + --- + + size = 16 (0x10), align = 8, largest padding = 3, niches = 254, no Drop + "#]], + ); + + check( + r#"#[repr(align(32))] + struct $0Foo { + x: bool, + y: i64, + z: u32, + }"#, + expect![[r#" + *Foo* + + ```rust + ra_test_fixture + ``` + + ```rust + struct Foo { + x: bool, + y: i64, + z: u32, + } + ``` + + --- + + size = 32 (0x20), align = 32 (0x20), largest padding = 19 (0x13), niches = 254, no Drop + "#]], + ); + + check( + r#"#[repr(C)] + struct $0Foo { + x: bool, + y: i64, + z: u32, + }"#, + expect![[r#" + *Foo* + + ```rust + ra_test_fixture + ``` + + ```rust + struct Foo { + x: bool, + y: i64, + z: u32, + } + ``` + + --- + + size = 24 (0x18), align = 8, tail padding = 4, niches = 254, no Drop + "#]], + ); + + check( + r#"struct $0Foo(i16, u128, u64)"#, + expect![[r#" + *Foo* + + ```rust + ra_test_fixture + ``` + + ```rust + struct Foo(i16, u128, u64) + ``` + + --- + + size = 32 (0x20), align = 8, largest padding = 6, no Drop + "#]], + ); +} + +#[test] fn test_hover_no_memory_layout() { check_hover_no_memory_layout( r#"struct Foo { fiel$0d_a: u8, field_b: i32, field_c: i16 }"#, @@ -7375,6 +7481,128 @@ pub struct Foo(i32); } #[test] +fn hover_intra_inner_attr() { + check( + r#" +/// outer comment for [`Foo`] +#[doc = "Doc outer comment for [`Foo`]"] +pub fn Foo { + //! inner comment for [`Foo$0`] + #![doc = "Doc inner comment for [`Foo`]"] +} +"#, + expect![[r#" + *[`Foo`]* + + ```rust + ra_test_fixture + ``` + + ```rust + pub fn Foo() + ``` + + --- + + outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + Doc outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + inner comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + Doc inner comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + "#]], + ); + + check( + r#" +/// outer comment for [`Foo`] +#[doc = "Doc outer comment for [`Foo`]"] +pub mod Foo { + //! inner comment for [`super::Foo$0`] + #![doc = "Doc inner comment for [`super::Foo`]"] +} +"#, + expect![[r#" + *[`super::Foo`]* + + ```rust + ra_test_fixture + ``` + + ```rust + pub mod Foo + ``` + + --- + + outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + Doc outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + inner comment for [`super::Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + Doc inner comment for [`super::Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + "#]], + ); +} + +#[test] +fn hover_intra_outer_attr() { + check( + r#" +/// outer comment for [`Foo$0`] +#[doc = "Doc outer comment for [`Foo`]"] +pub fn Foo() { + //! inner comment for [`Foo`] + #![doc = "Doc inner comment for [`Foo`]"] +} +"#, + expect![[r#" + *[`Foo`]* + + ```rust + ra_test_fixture + ``` + + ```rust + pub fn Foo() + ``` + + --- + + outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + Doc outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + inner comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + Doc inner comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/fn.Foo.html) + "#]], + ); + + check( + r#" +/// outer comment for [`Foo$0`] +#[doc = "Doc outer comment for [`Foo`]"] +pub mod Foo { + //! inner comment for [`super::Foo`] + #![doc = "Doc inner comment for [`super::Foo`]"] +} +"#, + expect![[r#" + *[`Foo`]* + + ```rust + ra_test_fixture + ``` + + ```rust + pub mod Foo + ``` + + --- + + outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + Doc outer comment for [`Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + inner comment for [`super::Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + Doc inner comment for [`super::Foo`](https://docs.rs/ra_test_fixture/*/ra_test_fixture/Foo/index.html) + "#]], + ); +} + +#[test] fn hover_intra_generics() { check( r#" @@ -9076,7 +9304,7 @@ struct Pedro$0<'a> { --- - size = 16 (0x10), align = 8, niches = 1, no Drop + size = 16 (0x10), align = 8, largest padding = 0, niches = 1, no Drop "#]], ) } @@ -10437,7 +10665,7 @@ struct DropField$0 { --- - size = 4, align = 4, needs Drop + size = 4, align = 4, largest padding = 0, needs Drop "#]], ); check( diff --git a/src/tools/rust-analyzer/crates/ide/src/lib.rs b/src/tools/rust-analyzer/crates/ide/src/lib.rs index aa525a86123..d649dffbd90 100644 --- a/src/tools/rust-analyzer/crates/ide/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide/src/lib.rs @@ -62,7 +62,7 @@ use std::panic::{AssertUnwindSafe, UnwindSafe}; use cfg::CfgOptions; use fetch_crates::CrateInfo; -use hir::{ChangeWithProcMacros, EditionedFileId, sym}; +use hir::{ChangeWithProcMacros, EditionedFileId, crate_def_map, sym}; use ide_db::{ FxHashMap, FxIndexSet, LineIndexDatabase, base_db::{ @@ -627,7 +627,7 @@ impl Analysis { /// Returns true if this crate has `no_std` or `no_core` specified. pub fn is_crate_no_std(&self, crate_id: Crate) -> Cancellable<bool> { - self.with_db(|db| hir::db::DefDatabase::crate_def_map(db, crate_id).is_no_std()) + self.with_db(|db| crate_def_map(db, crate_id).is_no_std()) } /// Returns the root file of the given crate. diff --git a/src/tools/rust-analyzer/crates/ide/src/parent_module.rs b/src/tools/rust-analyzer/crates/ide/src/parent_module.rs index 6dc01c45063..50219cee57d 100644 --- a/src/tools/rust-analyzer/crates/ide/src/parent_module.rs +++ b/src/tools/rust-analyzer/crates/ide/src/parent_module.rs @@ -1,4 +1,4 @@ -use hir::{Semantics, db::DefDatabase}; +use hir::{Semantics, crate_def_map}; use ide_db::{ FileId, FilePosition, RootDatabase, base_db::{Crate, RootQueryDb}, @@ -58,7 +58,7 @@ pub(crate) fn crates_for(db: &RootDatabase, file_id: FileId) -> Vec<Crate> { .iter() .copied() .filter(|&crate_id| { - db.crate_def_map(crate_id).modules_for_file(db, file_id).next().is_some() + crate_def_map(db, crate_id).modules_for_file(db, file_id).next().is_some() }) .sorted() .collect() diff --git a/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/inject.rs b/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/inject.rs index 0998e14c87b..7f5c2c1ec84 100644 --- a/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/inject.rs +++ b/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/inject.rs @@ -129,11 +129,18 @@ pub(super) fn doc_comment( extract_definitions_from_docs(&docs) .into_iter() .filter_map(|(range, link, ns)| { - doc_mapping.map(range).filter(|mapping| mapping.file_id == src_file_id).and_then( - |InFile { value: mapped_range, .. }| { - Some(mapped_range).zip(resolve_doc_path_for_def(sema.db, def, &link, ns)) - }, - ) + doc_mapping + .map(range) + .filter(|(mapping, _)| mapping.file_id == src_file_id) + .and_then(|(InFile { value: mapped_range, .. }, attr_id)| { + Some(mapped_range).zip(resolve_doc_path_for_def( + sema.db, + def, + &link, + ns, + attr_id.is_inner_attr(), + )) + }) }) .for_each(|(range, def)| { hl.add(HlRange { diff --git a/src/tools/rust-analyzer/crates/intern/src/symbol/symbols.rs b/src/tools/rust-analyzer/crates/intern/src/symbol/symbols.rs index abde48d1512..fc922dd849f 100644 --- a/src/tools/rust-analyzer/crates/intern/src/symbol/symbols.rs +++ b/src/tools/rust-analyzer/crates/intern/src/symbol/symbols.rs @@ -164,7 +164,6 @@ define_symbols! { completion, compile_error, concat_bytes, - concat_idents, concat, const_format_args, const_panic_fmt, diff --git a/src/tools/rust-analyzer/crates/load-cargo/src/lib.rs b/src/tools/rust-analyzer/crates/load-cargo/src/lib.rs index 2686a75c7c8..30e2d5416cf 100644 --- a/src/tools/rust-analyzer/crates/load-cargo/src/lib.rs +++ b/src/tools/rust-analyzer/crates/load-cargo/src/lib.rs @@ -512,10 +512,6 @@ impl ProcMacroExpander for Expander { Err(err) => Err(ProcMacroExpansionError::System(err.to_string())), } } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().downcast_ref::<Self>().is_some_and(|other| self == other) - } } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/mbe/src/tests.rs b/src/tools/rust-analyzer/crates/mbe/src/tests.rs index a5672e4e050..3369dfff281 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/tests.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/tests.rs @@ -356,3 +356,120 @@ fn expr_2021() { ;"#]], ); } + +#[test] +fn minus_belongs_to_literal() { + let decl = r#" +(-1) => {-1}; +(- 2) => {- 2}; +(- 3.0) => {- 3.0}; +(@$lit:literal) => {$lit} +"#; + let check = |args, expect| check(Edition::CURRENT, Edition::CURRENT, decl, args, expect); + check( + "-1", + expect![[r#" + SUBTREE $$ 1:0@0..2#ROOT2024 1:0@0..2#ROOT2024 + PUNCH - [alone] 0:0@10..11#ROOT2024 + LITERAL Integer 1 0:0@11..12#ROOT2024 + + -1"#]], + ); + check( + "- 1", + expect![[r#" + SUBTREE $$ 1:0@0..3#ROOT2024 1:0@0..3#ROOT2024 + PUNCH - [alone] 0:0@10..11#ROOT2024 + LITERAL Integer 1 0:0@11..12#ROOT2024 + + -1"#]], + ); + check( + "-2", + expect![[r#" + SUBTREE $$ 1:0@0..2#ROOT2024 1:0@0..2#ROOT2024 + PUNCH - [alone] 0:0@25..26#ROOT2024 + LITERAL Integer 2 0:0@27..28#ROOT2024 + + -2"#]], + ); + check( + "- 2", + expect![[r#" + SUBTREE $$ 1:0@0..3#ROOT2024 1:0@0..3#ROOT2024 + PUNCH - [alone] 0:0@25..26#ROOT2024 + LITERAL Integer 2 0:0@27..28#ROOT2024 + + -2"#]], + ); + check( + "-3.0", + expect![[r#" + SUBTREE $$ 1:0@0..4#ROOT2024 1:0@0..4#ROOT2024 + PUNCH - [alone] 0:0@43..44#ROOT2024 + LITERAL Float 3.0 0:0@45..48#ROOT2024 + + -3.0"#]], + ); + check( + "- 3.0", + expect![[r#" + SUBTREE $$ 1:0@0..5#ROOT2024 1:0@0..5#ROOT2024 + PUNCH - [alone] 0:0@43..44#ROOT2024 + LITERAL Float 3.0 0:0@45..48#ROOT2024 + + -3.0"#]], + ); + check( + "@1", + expect![[r#" + SUBTREE $$ 1:0@0..2#ROOT2024 1:0@0..2#ROOT2024 + LITERAL Integer 1 1:0@1..2#ROOT2024 + + 1"#]], + ); + check( + "@-1", + expect![[r#" + SUBTREE $$ 1:0@0..3#ROOT2024 1:0@0..3#ROOT2024 + PUNCH - [alone] 1:0@1..2#ROOT2024 + LITERAL Integer 1 1:0@2..3#ROOT2024 + + -1"#]], + ); + check( + "@1.0", + expect![[r#" + SUBTREE $$ 1:0@0..4#ROOT2024 1:0@0..4#ROOT2024 + LITERAL Float 1.0 1:0@1..4#ROOT2024 + + 1.0"#]], + ); + check( + "@-1.0", + expect![[r#" + SUBTREE $$ 1:0@0..5#ROOT2024 1:0@0..5#ROOT2024 + PUNCH - [alone] 1:0@1..2#ROOT2024 + LITERAL Float 1.0 1:0@2..5#ROOT2024 + + -1.0"#]], + ); + check( + "@--1.0", + expect![[r#" + ExpandError { + inner: ( + 1:0@1..2#ROOT2024, + BindingError( + "expected literal", + ), + ), + } + + SUBTREE $$ 1:0@0..6#ROOT2024 1:0@0..6#ROOT2024 + PUNCH - [joint] 1:0@1..2#ROOT2024 + PUNCH - [alone] 1:0@2..3#ROOT2024 + + --"#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index 5faf6fc2759..8cc332d4633 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -381,10 +381,14 @@ fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option<CompletedMarker> { op.complete(p, ASM_REG_OPERAND); op_n.complete(p, ASM_OPERAND_NAMED); } else if p.eat_contextual_kw(T![label]) { + // test asm_label + // fn foo() { + // builtin#asm("", label {}); + // } dir_spec.abandon(p); block_expr(p); - op.complete(p, ASM_OPERAND_NAMED); - op_n.complete(p, ASM_LABEL); + op.complete(p, ASM_LABEL); + op_n.complete(p, ASM_OPERAND_NAMED); } else if p.eat(T![const]) { dir_spec.abandon(p); expr(p); diff --git a/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs b/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs index 0a5c16dc4c4..0fa9a264545 100644 --- a/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs +++ b/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs @@ -179,7 +179,10 @@ impl<'a> Converter<'a> { COMMENT } - rustc_lexer::TokenKind::Frontmatter { has_invalid_preceding_whitespace, invalid_infostring } => { + rustc_lexer::TokenKind::Frontmatter { + has_invalid_preceding_whitespace, + invalid_infostring, + } => { if *has_invalid_preceding_whitespace { err = "invalid preceding whitespace for frontmatter opening" } else if *invalid_infostring { diff --git a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs index 24db9478ee5..030d8e0f04d 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs @@ -21,6 +21,8 @@ mod ok { #[test] fn asm_expr() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_expr.rs"); } #[test] + fn asm_label() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_label.rs"); } + #[test] fn assoc_const_eq() { run_and_expect_no_errors("test_data/parser/inline/ok/assoc_const_eq.rs"); } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_label.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_label.rast new file mode 100644 index 00000000000..38999c9cd34 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_label.rast @@ -0,0 +1,37 @@ +SOURCE_FILE + FN + FN_KW "fn" + WHITESPACE " " + NAME + IDENT "foo" + PARAM_LIST + L_PAREN "(" + R_PAREN ")" + WHITESPACE " " + BLOCK_EXPR + STMT_LIST + L_CURLY "{" + WHITESPACE "\n " + EXPR_STMT + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + ASM_KW "asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + COMMA "," + WHITESPACE " " + ASM_OPERAND_NAMED + ASM_LABEL + LABEL_KW "label" + WHITESPACE " " + BLOCK_EXPR + STMT_LIST + L_CURLY "{" + R_CURLY "}" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n" + R_CURLY "}" + WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_label.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_label.rs new file mode 100644 index 00000000000..996c1c8477b --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_label.rs @@ -0,0 +1,3 @@ +fn foo() { + builtin#asm("", label {}); +} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/proc-macro-test/imp/src/lib.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/proc-macro-test/imp/src/lib.rs index dfdbb4c95fc..6820e4b3353 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/proc-macro-test/imp/src/lib.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/proc-macro-test/imp/src/lib.rs @@ -31,12 +31,17 @@ pub fn fn_like_mk_literals(_args: TokenStream) -> TokenStream { TokenTree::from(Literal::byte_string(b"byte_string")), TokenTree::from(Literal::character('c')), TokenTree::from(Literal::string("string")), + TokenTree::from(Literal::c_string(c"cstring")), // as of 2022-07-21, there's no method on `Literal` to build a raw // string or a raw byte string TokenTree::from(Literal::f64_suffixed(3.14)), + TokenTree::from(Literal::f64_suffixed(-3.14)), TokenTree::from(Literal::f64_unsuffixed(3.14)), + TokenTree::from(Literal::f64_unsuffixed(-3.14)), TokenTree::from(Literal::i64_suffixed(123)), + TokenTree::from(Literal::i64_suffixed(-123)), TokenTree::from(Literal::i64_unsuffixed(123)), + TokenTree::from(Literal::i64_unsuffixed(-123)), ]; TokenStream::from_iter(trees) } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl.rs index 3d999421794..11dbd920091 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl.rs @@ -16,9 +16,8 @@ mod token_stream; pub use token_stream::TokenStream; pub mod rust_analyzer_span; -// mod symbol; pub mod token_id; -// pub use symbol::*; + use tt::Spacing; #[derive(Clone)] diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/rust_analyzer_span.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/rust_analyzer_span.rs index 47555a5db2f..e0c6e68f803 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/rust_analyzer_span.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/rust_analyzer_span.rs @@ -168,16 +168,38 @@ impl server::TokenStream for RaSpanServer { } bridge::TokenTree::Literal(literal) => { - let literal = tt::Literal { - symbol: literal.symbol, - suffix: literal.suffix, - span: literal.span, - kind: literal_kind_to_internal(literal.kind), - }; - - let leaf: tt::Leaf = tt::Leaf::from(literal); - let tree = tt::TokenTree::from(leaf); - TokenStream { token_trees: vec![tree] } + let token_trees = + if let Some((_minus, symbol)) = literal.symbol.as_str().split_once('-') { + let punct = tt::Punct { + spacing: tt::Spacing::Alone, + span: literal.span, + char: '-' as char, + }; + let leaf: tt::Leaf = tt::Leaf::from(punct); + let minus_tree = tt::TokenTree::from(leaf); + + let literal = tt::Literal { + symbol: Symbol::intern(symbol), + suffix: literal.suffix, + span: literal.span, + kind: literal_kind_to_internal(literal.kind), + }; + let leaf: tt::Leaf = tt::Leaf::from(literal); + let tree = tt::TokenTree::from(leaf); + vec![minus_tree, tree] + } else { + let literal = tt::Literal { + symbol: literal.symbol, + suffix: literal.suffix, + span: literal.span, + kind: literal_kind_to_internal(literal.kind), + }; + + let leaf: tt::Leaf = tt::Leaf::from(literal); + let tree = tt::TokenTree::from(leaf); + vec![tree] + }; + TokenStream { token_trees } } bridge::TokenTree::Punct(p) => { @@ -236,7 +258,9 @@ impl server::TokenStream for RaSpanServer { &mut self, stream: Self::TokenStream, ) -> Vec<bridge::TokenTree<Self::TokenStream, Self::Span, Self::Symbol>> { - stream.into_bridge() + stream.into_bridge(&mut |first, second| { + server::Span::join(self, first, second).unwrap_or(first) + }) } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/symbol.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/symbol.rs deleted file mode 100644 index 6863ce95997..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/symbol.rs +++ /dev/null @@ -1,47 +0,0 @@ -//! Symbol interner for proc-macro-srv - -use std::{cell::RefCell, collections::HashMap, thread::LocalKey}; - -thread_local! { - pub(crate) static SYMBOL_INTERNER: RefCell<SymbolInterner> = Default::default(); -} - -// ID for an interned symbol. -#[derive(Hash, Eq, PartialEq, Copy, Clone)] -pub struct Symbol(u32); - -pub(crate) type SymbolInternerRef = &'static LocalKey<RefCell<SymbolInterner>>; - -impl Symbol { - pub(super) fn intern(interner: SymbolInternerRef, data: &str) -> Symbol { - interner.with(|i| i.borrow_mut().intern(data)) - } - - pub(super) fn text(&self, interner: SymbolInternerRef) -> SmolStr { - interner.with(|i| i.borrow().get(self).clone()) - } -} - -#[derive(Default)] -pub(crate) struct SymbolInterner { - idents: HashMap<SmolStr, u32>, - ident_data: Vec<SmolStr>, -} - -impl SymbolInterner { - fn intern(&mut self, data: &str) -> Symbol { - if let Some(index) = self.idents.get(data) { - return Symbol(*index); - } - - let index = self.idents.len() as u32; - let data = SmolStr::from(data); - self.ident_data.push(data.clone()); - self.idents.insert(data, index); - Symbol(index) - } - - fn get(&self, sym: &Symbol) -> &SmolStr { - &self.ident_data[sym.0 as usize] - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_id.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_id.rs index c002be4be6f..d55b269f868 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_id.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_id.rs @@ -153,16 +153,38 @@ impl server::TokenStream for TokenIdServer { } bridge::TokenTree::Literal(literal) => { - let literal = Literal { - symbol: literal.symbol, - suffix: literal.suffix, - span: literal.span, - kind: literal_kind_to_internal(literal.kind), - }; - - let leaf = tt::Leaf::from(literal); - let tree = TokenTree::from(leaf); - TokenStream { token_trees: vec![tree] } + let token_trees = + if let Some((_minus, symbol)) = literal.symbol.as_str().split_once('-') { + let punct = tt::Punct { + spacing: tt::Spacing::Alone, + span: literal.span, + char: '-' as char, + }; + let leaf: tt::Leaf = tt::Leaf::from(punct); + let minus_tree = tt::TokenTree::from(leaf); + + let literal = Literal { + symbol: Symbol::intern(symbol), + suffix: literal.suffix, + span: literal.span, + kind: literal_kind_to_internal(literal.kind), + }; + let leaf: tt::Leaf = tt::Leaf::from(literal); + let tree = tt::TokenTree::from(leaf); + vec![minus_tree, tree] + } else { + let literal = Literal { + symbol: literal.symbol, + suffix: literal.suffix, + span: literal.span, + kind: literal_kind_to_internal(literal.kind), + }; + + let leaf: tt::Leaf = tt::Leaf::from(literal); + let tree = tt::TokenTree::from(leaf); + vec![tree] + }; + TokenStream { token_trees } } bridge::TokenTree::Punct(p) => { @@ -216,7 +238,8 @@ impl server::TokenStream for TokenIdServer { &mut self, stream: Self::TokenStream, ) -> Vec<bridge::TokenTree<Self::TokenStream, Self::Span, Self::Symbol>> { - stream.into_bridge() + // Can't join with `TokenId`. + stream.into_bridge(&mut |first, _second| first) } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_stream.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_stream.rs index 4946a4f2a62..c5019a59172 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_stream.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/server_impl/token_stream.rs @@ -56,7 +56,10 @@ impl<S: Copy> TokenStream<S> { self.token_trees.is_empty() } - pub(crate) fn into_bridge(self) -> Vec<bridge::TokenTree<Self, S, intern::Symbol>> { + pub(crate) fn into_bridge( + self, + join_spans: &mut dyn FnMut(S, S) -> S, + ) -> Vec<bridge::TokenTree<Self, S, intern::Symbol>> { let mut result = Vec::new(); let mut iter = self.token_trees.into_iter(); while let Some(tree) = iter.next() { @@ -68,6 +71,11 @@ impl<S: Copy> TokenStream<S> { span: ident.span, })) } + // Note, we do not have to assemble our `-` punct and literal split into a single + // negative bridge literal here. As the proc-macro docs state + // > Literals created from negative numbers might not survive round-trips through + // > TokenStream or strings and may be broken into two tokens (- and positive + // > literal). tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => { result.push(bridge::TokenTree::Literal(bridge::Literal { span: lit.span, @@ -93,7 +101,11 @@ impl<S: Copy> TokenStream<S> { token_trees: iter.by_ref().take(subtree.usize_len()).collect(), }) }, - span: bridge::DelimSpan::from_single(subtree.delimiter.open), + span: bridge::DelimSpan { + open: subtree.delimiter.open, + close: subtree.delimiter.close, + entire: join_spans(subtree.delimiter.open, subtree.delimiter.close), + }, })) } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs index a81fea7bec6..3a6ce639d13 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs @@ -11,8 +11,24 @@ fn test_derive_empty() { assert_expand( "DeriveEmpty", r#"struct S;"#, - expect!["SUBTREE $$ 1 1"], - expect!["SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024"], + expect![[r#" + SUBTREE $$ 1 1 + IDENT struct 1 + IDENT S 1 + PUNCH ; [alone] 1 + + + + SUBTREE $$ 1 1"#]], + expect![[r#" + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT struct 42:2@0..6#ROOT2024 + IDENT S 42:2@7..8#ROOT2024 + PUNCH ; [alone] 42:2@8..9#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024"#]], ); } @@ -23,6 +39,13 @@ fn test_derive_error() { r#"struct S;"#, expect![[r#" SUBTREE $$ 1 1 + IDENT struct 1 + IDENT S 1 + PUNCH ; [alone] 1 + + + + SUBTREE $$ 1 1 IDENT compile_error 1 PUNCH ! [alone] 1 SUBTREE () 1 1 @@ -30,6 +53,13 @@ fn test_derive_error() { PUNCH ; [alone] 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT struct 42:2@0..6#ROOT2024 + IDENT S 42:2@7..8#ROOT2024 + PUNCH ; [alone] 42:2@8..9#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT compile_error 42:2@0..100#ROOT2024 PUNCH ! [alone] 42:2@0..100#ROOT2024 SUBTREE () 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 @@ -51,6 +81,17 @@ fn test_fn_like_macro_noop() { PUNCH , [alone] 1 LITERAL Integer 1 1 PUNCH , [alone] 1 + SUBTREE [] 1 1 + + + + SUBTREE $$ 1 1 + IDENT ident 1 + PUNCH , [alone] 1 + LITERAL Integer 0 1 + PUNCH , [alone] 1 + LITERAL Integer 1 1 + PUNCH , [alone] 1 SUBTREE [] 1 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 @@ -60,6 +101,17 @@ fn test_fn_like_macro_noop() { PUNCH , [alone] 42:2@8..9#ROOT2024 LITERAL Integer 1 42:2@10..11#ROOT2024 PUNCH , [alone] 42:2@11..12#ROOT2024 + SUBTREE [] 42:2@13..14#ROOT2024 42:2@14..15#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT ident 42:2@0..5#ROOT2024 + PUNCH , [alone] 42:2@5..6#ROOT2024 + LITERAL Integer 0 42:2@7..8#ROOT2024 + PUNCH , [alone] 42:2@8..9#ROOT2024 + LITERAL Integer 1 42:2@10..11#ROOT2024 + PUNCH , [alone] 42:2@11..12#ROOT2024 SUBTREE [] 42:2@13..14#ROOT2024 42:2@14..15#ROOT2024"#]], ); } @@ -73,12 +125,26 @@ fn test_fn_like_macro_clone_ident_subtree() { SUBTREE $$ 1 1 IDENT ident 1 PUNCH , [alone] 1 + SUBTREE [] 1 1 + + + + SUBTREE $$ 1 1 + IDENT ident 1 + PUNCH , [alone] 1 SUBTREE [] 1 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT ident 42:2@0..5#ROOT2024 PUNCH , [alone] 42:2@5..6#ROOT2024 - SUBTREE [] 42:2@7..8#ROOT2024 42:2@7..8#ROOT2024"#]], + SUBTREE [] 42:2@7..8#ROOT2024 42:2@8..9#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT ident 42:2@0..5#ROOT2024 + PUNCH , [alone] 42:2@5..6#ROOT2024 + SUBTREE [] 42:2@7..9#ROOT2024 42:2@7..9#ROOT2024"#]], ); } @@ -89,9 +155,19 @@ fn test_fn_like_macro_clone_raw_ident() { "r#async", expect![[r#" SUBTREE $$ 1 1 + IDENT r#async 1 + + + + SUBTREE $$ 1 1 IDENT r#async 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT r#async 42:2@0..7#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT r#async 42:2@0..7#ROOT2024"#]], ); } @@ -103,9 +179,21 @@ fn test_fn_like_fn_like_span_join() { "foo bar", expect![[r#" SUBTREE $$ 1 1 + IDENT foo 1 + IDENT bar 1 + + + + SUBTREE $$ 1 1 IDENT r#joined 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT foo 42:2@0..3#ROOT2024 + IDENT bar 42:2@8..11#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT r#joined 42:2@0..11#ROOT2024"#]], ); } @@ -117,11 +205,25 @@ fn test_fn_like_fn_like_span_ops() { "set_def_site resolved_at_def_site start_span", expect![[r#" SUBTREE $$ 1 1 + IDENT set_def_site 1 + IDENT resolved_at_def_site 1 + IDENT start_span 1 + + + + SUBTREE $$ 1 1 IDENT set_def_site 0 IDENT resolved_at_def_site 1 IDENT start_span 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT set_def_site 42:2@0..12#ROOT2024 + IDENT resolved_at_def_site 42:2@13..33#ROOT2024 + IDENT start_span 42:2@34..44#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT set_def_site 41:1@0..150#ROOT2024 IDENT resolved_at_def_site 42:2@13..33#ROOT2024 IDENT start_span 42:2@34..34#ROOT2024"#]], @@ -135,21 +237,47 @@ fn test_fn_like_mk_literals() { r#""#, expect![[r#" SUBTREE $$ 1 1 + + + + SUBTREE $$ 1 1 LITERAL ByteStr byte_string 1 LITERAL Char c 1 LITERAL Str string 1 + LITERAL CStr cstring 1 LITERAL Float 3.14f64 1 + PUNCH - [alone] 1 + LITERAL Float 3.14f64 1 + LITERAL Float 3.14 1 + PUNCH - [alone] 1 LITERAL Float 3.14 1 LITERAL Integer 123i64 1 + PUNCH - [alone] 1 + LITERAL Integer 123i64 1 + LITERAL Integer 123 1 + PUNCH - [alone] 1 LITERAL Integer 123 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 LITERAL ByteStr byte_string 42:2@0..100#ROOT2024 LITERAL Char c 42:2@0..100#ROOT2024 LITERAL Str string 42:2@0..100#ROOT2024 + LITERAL CStr cstring 42:2@0..100#ROOT2024 + LITERAL Float 3.14f64 42:2@0..100#ROOT2024 + PUNCH - [alone] 42:2@0..100#ROOT2024 LITERAL Float 3.14f64 42:2@0..100#ROOT2024 LITERAL Float 3.14 42:2@0..100#ROOT2024 + PUNCH - [alone] 42:2@0..100#ROOT2024 + LITERAL Float 3.14 42:2@0..100#ROOT2024 + LITERAL Integer 123i64 42:2@0..100#ROOT2024 + PUNCH - [alone] 42:2@0..100#ROOT2024 LITERAL Integer 123i64 42:2@0..100#ROOT2024 + LITERAL Integer 123 42:2@0..100#ROOT2024 + PUNCH - [alone] 42:2@0..100#ROOT2024 LITERAL Integer 123 42:2@0..100#ROOT2024"#]], ); } @@ -161,10 +289,18 @@ fn test_fn_like_mk_idents() { r#""#, expect![[r#" SUBTREE $$ 1 1 + + + + SUBTREE $$ 1 1 IDENT standard 1 IDENT r#raw 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT standard 42:2@0..100#ROOT2024 IDENT r#raw 42:2@0..100#ROOT2024"#]], ); @@ -196,6 +332,30 @@ fn test_fn_like_macro_clone_literals() { PUNCH , [alone] 1 LITERAL Byte b 1 PUNCH , [alone] 1 + LITERAL CStr null 1 + + + + SUBTREE $$ 1 1 + LITERAL Integer 1u16 1 + PUNCH , [alone] 1 + LITERAL Integer 2_u32 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Integer 4i64 1 + PUNCH , [alone] 1 + LITERAL Float 3.14f32 1 + PUNCH , [alone] 1 + LITERAL Str hello bridge 1 + PUNCH , [alone] 1 + LITERAL Str suffixedsuffix 1 + PUNCH , [alone] 1 + LITERAL StrRaw(2) raw 1 + PUNCH , [alone] 1 + LITERAL Char a 1 + PUNCH , [alone] 1 + LITERAL Byte b 1 + PUNCH , [alone] 1 LITERAL CStr null 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 @@ -218,11 +378,99 @@ fn test_fn_like_macro_clone_literals() { PUNCH , [alone] 42:2@78..79#ROOT2024 LITERAL Byte b 42:2@80..84#ROOT2024 PUNCH , [alone] 42:2@84..85#ROOT2024 + LITERAL CStr null 42:2@86..93#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + LITERAL Integer 1u16 42:2@0..4#ROOT2024 + PUNCH , [alone] 42:2@4..5#ROOT2024 + LITERAL Integer 2_u32 42:2@6..11#ROOT2024 + PUNCH , [alone] 42:2@11..12#ROOT2024 + PUNCH - [alone] 42:2@13..14#ROOT2024 + LITERAL Integer 4i64 42:2@14..18#ROOT2024 + PUNCH , [alone] 42:2@18..19#ROOT2024 + LITERAL Float 3.14f32 42:2@20..27#ROOT2024 + PUNCH , [alone] 42:2@27..28#ROOT2024 + LITERAL Str hello bridge 42:2@29..43#ROOT2024 + PUNCH , [alone] 42:2@43..44#ROOT2024 + LITERAL Str suffixedsuffix 42:2@45..61#ROOT2024 + PUNCH , [alone] 42:2@61..62#ROOT2024 + LITERAL StrRaw(2) raw 42:2@63..73#ROOT2024 + PUNCH , [alone] 42:2@73..74#ROOT2024 + LITERAL Char a 42:2@75..78#ROOT2024 + PUNCH , [alone] 42:2@78..79#ROOT2024 + LITERAL Byte b 42:2@80..84#ROOT2024 + PUNCH , [alone] 42:2@84..85#ROOT2024 LITERAL CStr null 42:2@86..93#ROOT2024"#]], ); } #[test] +fn test_fn_like_macro_negative_literals() { + assert_expand( + "fn_like_clone_tokens", + r###"-1u16, - 2_u32, -3.14f32, - 2.7"###, + expect![[r#" + SUBTREE $$ 1 1 + PUNCH - [alone] 1 + LITERAL Integer 1u16 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Integer 2_u32 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Float 3.14f32 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Float 2.7 1 + + + + SUBTREE $$ 1 1 + PUNCH - [alone] 1 + LITERAL Integer 1u16 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Integer 2_u32 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Float 3.14f32 1 + PUNCH , [alone] 1 + PUNCH - [alone] 1 + LITERAL Float 2.7 1"#]], + expect![[r#" + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + PUNCH - [alone] 42:2@0..1#ROOT2024 + LITERAL Integer 1u16 42:2@1..5#ROOT2024 + PUNCH , [alone] 42:2@5..6#ROOT2024 + PUNCH - [alone] 42:2@7..8#ROOT2024 + LITERAL Integer 2_u32 42:2@9..14#ROOT2024 + PUNCH , [alone] 42:2@14..15#ROOT2024 + PUNCH - [alone] 42:2@16..17#ROOT2024 + LITERAL Float 3.14f32 42:2@17..24#ROOT2024 + PUNCH , [alone] 42:2@24..25#ROOT2024 + PUNCH - [alone] 42:2@26..27#ROOT2024 + LITERAL Float 2.7 42:2@28..31#ROOT2024 + + + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + PUNCH - [alone] 42:2@0..1#ROOT2024 + LITERAL Integer 1u16 42:2@1..5#ROOT2024 + PUNCH , [alone] 42:2@5..6#ROOT2024 + PUNCH - [alone] 42:2@7..8#ROOT2024 + LITERAL Integer 2_u32 42:2@9..14#ROOT2024 + PUNCH , [alone] 42:2@14..15#ROOT2024 + PUNCH - [alone] 42:2@16..17#ROOT2024 + LITERAL Float 3.14f32 42:2@17..24#ROOT2024 + PUNCH , [alone] 42:2@24..25#ROOT2024 + PUNCH - [alone] 42:2@26..27#ROOT2024 + LITERAL Float 2.7 42:2@28..31#ROOT2024"#]], + ); +} + +#[test] fn test_attr_macro() { // Corresponds to // #[proc_macro_test::attr_error(some arguments)] @@ -233,6 +481,15 @@ fn test_attr_macro() { r#"some arguments"#, expect![[r#" SUBTREE $$ 1 1 + IDENT mod 1 + IDENT m 1 + SUBTREE {} 1 1 + + SUBTREE $$ 1 1 + IDENT some 1 + IDENT arguments 1 + + SUBTREE $$ 1 1 IDENT compile_error 1 PUNCH ! [alone] 1 SUBTREE () 1 1 @@ -240,6 +497,15 @@ fn test_attr_macro() { PUNCH ; [alone] 1"#]], expect![[r#" SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT mod 42:2@0..3#ROOT2024 + IDENT m 42:2@4..5#ROOT2024 + SUBTREE {} 42:2@6..7#ROOT2024 42:2@7..8#ROOT2024 + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 + IDENT some 42:2@0..4#ROOT2024 + IDENT arguments 42:2@5..14#ROOT2024 + + SUBTREE $$ 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 IDENT compile_error 42:2@0..100#ROOT2024 PUNCH ! [alone] 42:2@0..100#ROOT2024 SUBTREE () 42:2@0..100#ROOT2024 42:2@0..100#ROOT2024 diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/utils.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/utils.rs index a476a70a740..a0a45b269e4 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/utils.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/utils.rs @@ -32,9 +32,9 @@ pub fn assert_expand( macro_name: &str, #[rust_analyzer::rust_fixture] ra_fixture: &str, expect: Expect, - expect_s: Expect, + expect_spanned: Expect, ) { - assert_expand_impl(macro_name, ra_fixture, None, expect, expect_s); + assert_expand_impl(macro_name, ra_fixture, None, expect, expect_spanned); } pub fn assert_expand_attr( @@ -42,9 +42,9 @@ pub fn assert_expand_attr( #[rust_analyzer::rust_fixture] ra_fixture: &str, attr_args: &str, expect: Expect, - expect_s: Expect, + expect_spanned: Expect, ) { - assert_expand_impl(macro_name, ra_fixture, Some(attr_args), expect, expect_s); + assert_expand_impl(macro_name, ra_fixture, Some(attr_args), expect, expect_spanned); } fn assert_expand_impl( @@ -52,7 +52,7 @@ fn assert_expand_impl( input: &str, attr: Option<&str>, expect: Expect, - expect_s: Expect, + expect_spanned: Expect, ) { let path = proc_macro_test_dylib_path(); let expander = dylib::Expander::new(&path).unwrap(); @@ -60,20 +60,17 @@ fn assert_expand_impl( let def_site = TokenId(0); let call_site = TokenId(1); let mixed_site = TokenId(2); - let input_ts = parse_string(call_site, input); + let input_ts = parse_string(call_site, input).into_subtree(call_site); let attr_ts = attr.map(|attr| parse_string(call_site, attr).into_subtree(call_site)); + let input_ts_string = format!("{input_ts:?}"); + let attr_ts_string = attr_ts.as_ref().map(|it| format!("{it:?}")); - let res = expander - .expand( - macro_name, - input_ts.into_subtree(call_site), - attr_ts, - def_site, - call_site, - mixed_site, - ) - .unwrap(); - expect.assert_eq(&format!("{res:?}")); + let res = + expander.expand(macro_name, input_ts, attr_ts, def_site, call_site, mixed_site).unwrap(); + expect.assert_eq(&format!( + "{input_ts_string}\n\n{}\n\n{res:?}", + attr_ts_string.unwrap_or_default() + )); let def_site = Span { range: TextRange::new(0.into(), 150.into()), @@ -93,15 +90,17 @@ fn assert_expand_impl( }; let mixed_site = call_site; - let fixture = parse_string_spanned(call_site.anchor, call_site.ctx, input); + let fixture = + parse_string_spanned(call_site.anchor, call_site.ctx, input).into_subtree(call_site); let attr = attr.map(|attr| { parse_string_spanned(call_site.anchor, call_site.ctx, attr).into_subtree(call_site) }); + let fixture_string = format!("{fixture:?}"); + let attr_string = attr.as_ref().map(|it| format!("{it:?}")); - let res = expander - .expand(macro_name, fixture.into_subtree(call_site), attr, def_site, call_site, mixed_site) - .unwrap(); - expect_s.assert_eq(&format!("{res:#?}")); + let res = expander.expand(macro_name, fixture, attr, def_site, call_site, mixed_site).unwrap(); + expect_spanned + .assert_eq(&format!("{fixture_string}\n\n{}\n\n{res:#?}", attr_string.unwrap_or_default())); } pub(crate) fn list() -> Vec<String> { diff --git a/src/tools/rust-analyzer/crates/project-model/src/env.rs b/src/tools/rust-analyzer/crates/project-model/src/env.rs index e7293b0b2ef..450def5461d 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/env.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/env.rs @@ -18,6 +18,7 @@ pub(crate) fn inject_cargo_package_env(env: &mut Env, package: &PackageData) { let manifest_dir = package.manifest.parent(); env.set("CARGO_MANIFEST_DIR", manifest_dir.as_str()); + env.set("CARGO_MANIFEST_PATH", package.manifest.as_str()); env.set("CARGO_PKG_VERSION", package.version.to_string()); env.set("CARGO_PKG_VERSION_MAJOR", package.version.major.to_string()); diff --git a/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs b/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs index c7c1b043186..d4055d9a0af 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs @@ -137,7 +137,12 @@ impl Sysroot { } let mut cmd = toolchain::command(tool.prefer_proxy(), current_dir, envs); - cmd.env("RUSTUP_TOOLCHAIN", AsRef::<std::path::Path>::as_ref(root)); + if !envs.contains_key("RUSTUP_TOOLCHAIN") + && std::env::var_os("RUSTUP_TOOLCHAIN").is_none() + { + cmd.env("RUSTUP_TOOLCHAIN", AsRef::<std::path::Path>::as_ref(root)); + } + cmd } _ => toolchain::command(tool.path(), current_dir, envs), diff --git a/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model.txt b/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model.txt index 4ef9d816119..3722e2c7216 100644 --- a/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model.txt +++ b/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model.txt @@ -52,6 +52,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "hello_world", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -136,6 +137,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "hello_world", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -220,6 +222,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "an_example", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -304,6 +307,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "it", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -384,6 +388,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "libc", "CARGO_MANIFEST_DIR": "$ROOT$.cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.98", + "CARGO_MANIFEST_PATH": "$ROOT$.cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.98/Cargo.toml", "CARGO_PKG_AUTHORS": "The Rust Project Developers", "CARGO_PKG_DESCRIPTION": "Raw FFI bindings to platform libraries like libc.\n", "CARGO_PKG_HOMEPAGE": "https://github.com/rust-lang/libc", diff --git a/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_selective_overrides.txt b/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_selective_overrides.txt index 4ef9d816119..3722e2c7216 100644 --- a/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_selective_overrides.txt +++ b/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_selective_overrides.txt @@ -52,6 +52,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "hello_world", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -136,6 +137,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "hello_world", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -220,6 +222,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "an_example", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -304,6 +307,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "it", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -384,6 +388,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "libc", "CARGO_MANIFEST_DIR": "$ROOT$.cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.98", + "CARGO_MANIFEST_PATH": "$ROOT$.cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.98/Cargo.toml", "CARGO_PKG_AUTHORS": "The Rust Project Developers", "CARGO_PKG_DESCRIPTION": "Raw FFI bindings to platform libraries like libc.\n", "CARGO_PKG_HOMEPAGE": "https://github.com/rust-lang/libc", diff --git a/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_wildcard_overrides.txt b/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_wildcard_overrides.txt index 52089d1dbc2..7b156ea63a5 100644 --- a/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_wildcard_overrides.txt +++ b/src/tools/rust-analyzer/crates/project-model/test_data/output/cargo_hello_world_project_model_with_wildcard_overrides.txt @@ -51,6 +51,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "hello_world", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -134,6 +135,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "hello_world", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -217,6 +219,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "an_example", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -300,6 +303,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "it", "CARGO_MANIFEST_DIR": "$ROOT$hello-world", + "CARGO_MANIFEST_PATH": "$ROOT$hello-world/Cargo.toml", "CARGO_PKG_AUTHORS": "", "CARGO_PKG_DESCRIPTION": "", "CARGO_PKG_HOMEPAGE": "", @@ -380,6 +384,7 @@ "CARGO": "$CARGO$", "CARGO_CRATE_NAME": "libc", "CARGO_MANIFEST_DIR": "$ROOT$.cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.98", + "CARGO_MANIFEST_PATH": "$ROOT$.cargo/registry/src/github.com-1ecc6299db9ec823/libc-0.2.98/Cargo.toml", "CARGO_PKG_AUTHORS": "The Rust Project Developers", "CARGO_PKG_DESCRIPTION": "Raw FFI bindings to platform libraries like libc.\n", "CARGO_PKG_HOMEPAGE": "https://github.com/rust-lang/libc", diff --git a/src/tools/rust-analyzer/crates/query-group-macro/tests/logger_db.rs b/src/tools/rust-analyzer/crates/query-group-macro/tests/logger_db.rs index bade0c2cd6f..71af63a0d3b 100644 --- a/src/tools/rust-analyzer/crates/query-group-macro/tests/logger_db.rs +++ b/src/tools/rust-analyzer/crates/query-group-macro/tests/logger_db.rs @@ -1,33 +1,41 @@ use std::sync::{Arc, Mutex}; #[salsa_macros::db] -#[derive(Default, Clone)] +#[derive(Clone)] pub(crate) struct LoggerDb { storage: salsa::Storage<Self>, logger: Logger, } +impl Default for LoggerDb { + fn default() -> Self { + let logger = Logger::default(); + Self { + storage: salsa::Storage::new(Some(Box::new({ + let logger = logger.clone(); + move |event| match event.kind { + salsa::EventKind::WillExecute { .. } + | salsa::EventKind::WillCheckCancellation + | salsa::EventKind::DidValidateMemoizedValue { .. } + | salsa::EventKind::WillDiscardStaleOutput { .. } + | salsa::EventKind::DidDiscard { .. } => { + logger.logs.lock().unwrap().push(format!("salsa_event({:?})", event.kind)); + } + _ => {} + } + }))), + logger, + } + } +} + #[derive(Default, Clone)] struct Logger { logs: Arc<Mutex<Vec<String>>>, } #[salsa_macros::db] -impl salsa::Database for LoggerDb { - fn salsa_event(&self, event: &dyn Fn() -> salsa::Event) { - let event = event(); - match event.kind { - salsa::EventKind::WillExecute { .. } - | salsa::EventKind::WillCheckCancellation - | salsa::EventKind::DidValidateMemoizedValue { .. } - | salsa::EventKind::WillDiscardStaleOutput { .. } - | salsa::EventKind::DidDiscard { .. } => { - self.push_log(format!("salsa_event({:?})", event.kind)); - } - _ => {} - } - } -} +impl salsa::Database for LoggerDb {} impl LoggerDb { /// Log an event from inside a tracked function. diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs index a1e4adf0844..12b393b80c0 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs @@ -4,6 +4,7 @@ use std::{ env, fmt, ops::AddAssign, + panic::{AssertUnwindSafe, catch_unwind}, time::{SystemTime, UNIX_EPOCH}, }; @@ -721,6 +722,7 @@ impl flags::AnalysisStats { let mut num_pats_unknown = 0; let mut num_pats_partially_unknown = 0; let mut num_pat_type_mismatches = 0; + let mut panics = 0; for &body_id in bodies { let name = body_id.name(db).unwrap_or_else(Name::missing); let module = body_id.module(db); @@ -774,7 +776,20 @@ impl flags::AnalysisStats { } bar.set_message(msg); let body = db.body(body_id.into()); - let inference_result = db.infer(body_id.into()); + let inference_result = catch_unwind(AssertUnwindSafe(|| db.infer(body_id.into()))); + let inference_result = match inference_result { + Ok(inference_result) => inference_result, + Err(p) => { + if let Some(s) = p.downcast_ref::<&str>() { + eprintln!("infer panicked for {}: {}", full_name(), s); + } else if let Some(s) = p.downcast_ref::<String>() { + eprintln!("infer panicked for {}: {}", full_name(), s); + } + panics += 1; + bar.inc(1); + continue; + } + }; // This query is LRU'd, so actually calling it will skew the timing results. let sm = || db.body_with_source_map(body_id.into()).1; @@ -1008,6 +1023,7 @@ impl flags::AnalysisStats { percentage(num_pats_partially_unknown, num_pats), num_pat_type_mismatches ); + eprintln!(" panics: {panics}"); eprintln!("{:<20} {}", "Inference:", inference_time); report_metric("unknown type", num_exprs_unknown, "#"); report_metric("type mismatches", num_expr_type_mismatches, "#"); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/flags.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/flags.rs index 57f95d114d9..16f351272b6 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/flags.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/flags.rs @@ -150,8 +150,8 @@ xflags::xflags! { optional --disable-proc-macros /// Run the proc-macro-srv binary at the specified path. optional --proc-macro-srv path: PathBuf - /// Run cache priming in parallel. - optional --parallel + /// The number of threads to use. Defaults to the number of physical cores. + optional --num-threads num_threads: usize } cmd ssr { @@ -299,7 +299,7 @@ pub struct PrimeCaches { pub disable_build_scripts: bool, pub disable_proc_macros: bool, pub proc_macro_srv: Option<PathBuf>, - pub parallel: bool, + pub num_threads: Option<usize>, } #[derive(Debug)] diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/prime_caches.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/prime_caches.rs index 46fb701ab42..467d8a53884 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/prime_caches.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/prime_caches.rs @@ -52,7 +52,7 @@ impl flags::PrimeCaches { elapsed.memory.allocated.megabytes() as u64 ); - let threads = if self.parallel { num_cpus::get() } else { 1 }; + let threads = self.num_threads.unwrap_or_else(num_cpus::get_physical); ide_db::prime_caches::parallel_prime_caches(&db, threads, &|_| ()); let elapsed = stop_watch.elapsed(); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs index 03e5b1f6f4b..d1ca8c1a91a 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs @@ -149,6 +149,8 @@ config_data! { hover_memoryLayout_niches: Option<bool> = Some(false), /// How to render the offset information in a memory layout hover. hover_memoryLayout_offset: Option<MemoryLayoutHoverRenderKindDef> = Some(MemoryLayoutHoverRenderKindDef::Hexadecimal), + /// How to render the padding information in a memory layout hover. + hover_memoryLayout_padding: Option<MemoryLayoutHoverRenderKindDef> = None, /// How to render the size information in a memory layout hover. hover_memoryLayout_size: Option<MemoryLayoutHoverRenderKindDef> = Some(MemoryLayoutHoverRenderKindDef::Both), @@ -544,7 +546,7 @@ config_data! { /// Whether to prefer import paths containing a `prelude` module. imports_preferPrelude: bool = false, /// The path structure for newly inserted paths to use. - imports_prefix: ImportPrefixDef = ImportPrefixDef::Plain, + imports_prefix: ImportPrefixDef = ImportPrefixDef::ByCrate, /// Whether to prefix external (including std, core) crate imports with `::`. e.g. "use ::std::io::Read;". imports_prefixExternPrelude: bool = false, } @@ -1635,6 +1637,7 @@ impl Config { size: self.hover_memoryLayout_size().map(mem_kind), offset: self.hover_memoryLayout_offset().map(mem_kind), alignment: self.hover_memoryLayout_alignment().map(mem_kind), + padding: self.hover_memoryLayout_padding().map(mem_kind), niches: self.hover_memoryLayout_niches().unwrap_or_default(), }), documentation: self.hover_documentation_enable().to_owned(), diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/flycheck.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/flycheck.rs index fc312439d58..0e418240db0 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/flycheck.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/flycheck.rs @@ -470,7 +470,11 @@ impl FlycheckActor { let mut cmd = toolchain::command(Tool::Cargo.path(), &*self.root, &options.extra_env); if let Some(sysroot_root) = &self.sysroot_root { - cmd.env("RUSTUP_TOOLCHAIN", AsRef::<std::path::Path>::as_ref(sysroot_root)); + if !options.extra_env.contains_key("RUSTUP_TOOLCHAIN") + && std::env::var_os("RUSTUP_TOOLCHAIN").is_none() + { + cmd.env("RUSTUP_TOOLCHAIN", AsRef::<std::path::Path>::as_ref(sysroot_root)); + } } cmd.arg(command); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs index 3b3b9c87975..a870232d4a0 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs @@ -3,7 +3,11 @@ //! //! Each tick provides an immutable snapshot of the state as `WorldSnapshot`. -use std::{ops::Not as _, time::Instant}; +use std::{ + ops::Not as _, + panic::AssertUnwindSafe, + time::{Duration, Instant}, +}; use crossbeam_channel::{Receiver, Sender, unbounded}; use hir::ChangeWithProcMacros; @@ -19,6 +23,7 @@ use parking_lot::{ use proc_macro_api::ProcMacroClient; use project_model::{ManifestPath, ProjectWorkspace, ProjectWorkspaceKind, WorkspaceBuildScripts}; use rustc_hash::{FxHashMap, FxHashSet}; +use stdx::thread; use tracing::{Level, span, trace}; use triomphe::Arc; use vfs::{AbsPathBuf, AnchoredPathBuf, ChangeKind, Vfs, VfsPath}; @@ -40,6 +45,7 @@ use crate::{ test_runner::{CargoTestHandle, CargoTestMessage}, }; +#[derive(Debug)] pub(crate) struct FetchWorkspaceRequest { pub(crate) path: Option<AbsPathBuf>, pub(crate) force_crate_graph_reload: bool, @@ -78,6 +84,7 @@ pub(crate) struct GlobalState { pub(crate) task_pool: Handle<TaskPool<Task>, Receiver<Task>>, pub(crate) fmt_pool: Handle<TaskPool<Task>, Receiver<Task>>, + pub(crate) cancellation_pool: thread::Pool, pub(crate) config: Arc<Config>, pub(crate) config_errors: Option<ConfigErrors>, @@ -114,6 +121,11 @@ pub(crate) struct GlobalState { pub(crate) discover_sender: Sender<discover::DiscoverProjectMessage>, pub(crate) discover_receiver: Receiver<discover::DiscoverProjectMessage>, + // Debouncing channel for fetching the workspace + // we want to delay it until the VFS looks stable-ish (and thus is not currently in the middle + // of a VCS operation like `git switch`) + pub(crate) fetch_ws_receiver: Option<(Receiver<Instant>, FetchWorkspaceRequest)>, + // VFS pub(crate) loader: Handle<Box<dyn vfs::loader::Handle>, Receiver<vfs::loader::Message>>, pub(crate) vfs: Arc<RwLock<(vfs::Vfs, FxHashMap<FileId, LineEndings>)>>, @@ -210,6 +222,7 @@ impl GlobalState { let handle = TaskPool::new_with_threads(sender, 1); Handle { handle, receiver } }; + let cancellation_pool = thread::Pool::new(1); let task_queue = { let (sender, receiver) = unbounded(); @@ -230,6 +243,7 @@ impl GlobalState { req_queue: ReqQueue::default(), task_pool, fmt_pool, + cancellation_pool, loader, config: Arc::new(config.clone()), analysis_host, @@ -264,6 +278,8 @@ impl GlobalState { discover_sender, discover_receiver, + fetch_ws_receiver: None, + vfs: Arc::new(RwLock::new((vfs::Vfs::default(), Default::default()))), vfs_config_version: 0, vfs_progress_config_version: 0, @@ -290,7 +306,6 @@ impl GlobalState { pub(crate) fn process_changes(&mut self) -> bool { let _p = span!(Level::INFO, "GlobalState::process_changes").entered(); - // We cannot directly resolve a change in a ratoml file to a format // that can be used by the config module because config talks // in `SourceRootId`s instead of `FileId`s and `FileId` -> `SourceRootId` @@ -298,66 +313,75 @@ impl GlobalState { let mut modified_ratoml_files: FxHashMap<FileId, (ChangeKind, vfs::VfsPath)> = FxHashMap::default(); - let (change, modified_rust_files, workspace_structure_change) = { - let mut change = ChangeWithProcMacros::default(); - let mut guard = self.vfs.write(); - let changed_files = guard.0.take_changes(); - if changed_files.is_empty() { - return false; - } + let mut change = ChangeWithProcMacros::default(); + let mut guard = self.vfs.write(); + let changed_files = guard.0.take_changes(); + if changed_files.is_empty() { + return false; + } - // downgrade to read lock to allow more readers while we are normalizing text - let guard = RwLockWriteGuard::downgrade_to_upgradable(guard); - let vfs: &Vfs = &guard.0; - - let mut workspace_structure_change = None; - // A file was added or deleted - let mut has_structure_changes = false; - let mut bytes = vec![]; - let mut modified_rust_files = vec![]; - for file in changed_files.into_values() { - let vfs_path = vfs.file_path(file.file_id); - if let Some(("rust-analyzer", Some("toml"))) = vfs_path.name_and_extension() { - // Remember ids to use them after `apply_changes` - modified_ratoml_files.insert(file.file_id, (file.kind(), vfs_path.clone())); - } + let (change, modified_rust_files, workspace_structure_change) = + self.cancellation_pool.scoped(|s| { + // start cancellation in parallel, this will kick off lru eviction + // allowing us to do meaningful work while waiting + let analysis_host = AssertUnwindSafe(&mut self.analysis_host); + s.spawn(thread::ThreadIntent::LatencySensitive, || { + { analysis_host }.0.request_cancellation() + }); + + // downgrade to read lock to allow more readers while we are normalizing text + let guard = RwLockWriteGuard::downgrade_to_upgradable(guard); + let vfs: &Vfs = &guard.0; + + let mut workspace_structure_change = None; + // A file was added or deleted + let mut has_structure_changes = false; + let mut bytes = vec![]; + let mut modified_rust_files = vec![]; + for file in changed_files.into_values() { + let vfs_path = vfs.file_path(file.file_id); + if let Some(("rust-analyzer", Some("toml"))) = vfs_path.name_and_extension() { + // Remember ids to use them after `apply_changes` + modified_ratoml_files.insert(file.file_id, (file.kind(), vfs_path.clone())); + } - if let Some(path) = vfs_path.as_path() { - has_structure_changes |= file.is_created_or_deleted(); + if let Some(path) = vfs_path.as_path() { + has_structure_changes |= file.is_created_or_deleted(); - if file.is_modified() && path.extension() == Some("rs") { - modified_rust_files.push(file.file_id); - } + if file.is_modified() && path.extension() == Some("rs") { + modified_rust_files.push(file.file_id); + } - let additional_files = self - .config - .discover_workspace_config() - .map(|cfg| { - cfg.files_to_watch.iter().map(String::as_str).collect::<Vec<&str>>() - }) - .unwrap_or_default(); - - let path = path.to_path_buf(); - if file.is_created_or_deleted() { - workspace_structure_change.get_or_insert((path, false)).1 |= - self.crate_graph_file_dependencies.contains(vfs_path); - } else if reload::should_refresh_for_change( - &path, - file.kind(), - &additional_files, - ) { - trace!(?path, kind = ?file.kind(), "refreshing for a change"); - workspace_structure_change.get_or_insert((path.clone(), false)); + let additional_files = self + .config + .discover_workspace_config() + .map(|cfg| { + cfg.files_to_watch.iter().map(String::as_str).collect::<Vec<&str>>() + }) + .unwrap_or_default(); + + let path = path.to_path_buf(); + if file.is_created_or_deleted() { + workspace_structure_change.get_or_insert((path, false)).1 |= + self.crate_graph_file_dependencies.contains(vfs_path); + } else if reload::should_refresh_for_change( + &path, + file.kind(), + &additional_files, + ) { + trace!(?path, kind = ?file.kind(), "refreshing for a change"); + workspace_structure_change.get_or_insert((path.clone(), false)); + } } - } - // Clear native diagnostics when their file gets deleted - if !file.exists() { - self.diagnostics.clear_native_for(file.file_id); - } + // Clear native diagnostics when their file gets deleted + if !file.exists() { + self.diagnostics.clear_native_for(file.file_id); + } - let text = - if let vfs::Change::Create(v, _) | vfs::Change::Modify(v, _) = file.change { + let text = if let vfs::Change::Create(v, _) | vfs::Change::Modify(v, _) = + file.change + { String::from_utf8(v).ok().map(|text| { // FIXME: Consider doing normalization in the `vfs` instead? That allows // getting rid of some locking @@ -367,29 +391,28 @@ impl GlobalState { } else { None }; - // delay `line_endings_map` changes until we are done normalizing the text - // this allows delaying the re-acquisition of the write lock - bytes.push((file.file_id, text)); - } - let (vfs, line_endings_map) = &mut *RwLockUpgradableReadGuard::upgrade(guard); - bytes.into_iter().for_each(|(file_id, text)| { - let text = match text { - None => None, - Some((text, line_endings)) => { - line_endings_map.insert(file_id, line_endings); - Some(text) - } - }; - change.change_file(file_id, text); + // delay `line_endings_map` changes until we are done normalizing the text + // this allows delaying the re-acquisition of the write lock + bytes.push((file.file_id, text)); + } + let (vfs, line_endings_map) = &mut *RwLockUpgradableReadGuard::upgrade(guard); + bytes.into_iter().for_each(|(file_id, text)| { + let text = match text { + None => None, + Some((text, line_endings)) => { + line_endings_map.insert(file_id, line_endings); + Some(text) + } + }; + change.change_file(file_id, text); + }); + if has_structure_changes { + let roots = self.source_root_config.partition(vfs); + change.set_roots(roots); + } + (change, modified_rust_files, workspace_structure_change) }); - if has_structure_changes { - let roots = self.source_root_config.partition(vfs); - change.set_roots(roots); - } - (change, modified_rust_files, workspace_structure_change) - }; - let _p = span!(Level::INFO, "GlobalState::process_changes/apply_change").entered(); self.analysis_host.apply_change(change); if !modified_ratoml_files.is_empty() || !self.config.same_source_root_parent_map(&self.local_roots_parent_map) @@ -508,11 +531,7 @@ impl GlobalState { if let Some((path, force_crate_graph_reload)) = workspace_structure_change { let _p = span!(Level::INFO, "GlobalState::process_changes/ws_structure_change") .entered(); - - self.fetch_workspaces_queue.request_op( - format!("workspace vfs file change: {path}"), - FetchWorkspaceRequest { path: Some(path), force_crate_graph_reload }, - ); + self.enqueue_workspace_fetch(path, force_crate_graph_reload); } } @@ -660,6 +679,30 @@ impl GlobalState { None }) } + + fn enqueue_workspace_fetch(&mut self, path: AbsPathBuf, force_crate_graph_reload: bool) { + let already_requested = self.fetch_workspaces_queue.op_requested() + && !self.fetch_workspaces_queue.op_in_progress(); + if self.fetch_ws_receiver.is_none() && already_requested { + // Don't queue up a new fetch request if we already have done so + // Otherwise we will re-fetch in quick succession which is unnecessary + // Note though, that if one is already in progress, we *want* to re-queue + // as the in-progress fetch might not have the latest changes in it anymore + // FIXME: We should cancel the in-progress fetch here + return; + } + + self.fetch_ws_receiver = Some(( + crossbeam_channel::after(Duration::from_millis(100)), + FetchWorkspaceRequest { path: Some(path), force_crate_graph_reload }, + )); + } + + pub(crate) fn debounce_workspace_fetch(&mut self) { + if let Some((fetch_receiver, _)) = &mut self.fetch_ws_receiver { + *fetch_receiver = crossbeam_channel::after(Duration::from_millis(100)); + } + } } impl Drop for GlobalState { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs index 49ebffa909a..84b7888258f 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs @@ -147,7 +147,7 @@ fn integrated_completion_benchmark() { let _it = stdx::timeit("change"); let mut text = host.analysis().file_text(file_id).unwrap().to_string(); let completion_offset = - patch(&mut text, "db.struct_data(self.id)", "sel;\ndb.struct_data(self.id)") + patch(&mut text, "db.struct_signature(self.id)", "sel;\ndb.struct_signature(self.id)") + "sel".len(); let mut change = ChangeWithProcMacros::default(); change.change_file(file_id, Some(text)); @@ -197,9 +197,11 @@ fn integrated_completion_benchmark() { let completion_offset = { let _it = stdx::timeit("change"); let mut text = host.analysis().file_text(file_id).unwrap().to_string(); - let completion_offset = - patch(&mut text, "sel;\ndb.struct_data(self.id)", ";sel;\ndb.struct_data(self.id)") - + ";sel".len(); + let completion_offset = patch( + &mut text, + "sel;\ndb.struct_signature(self.id)", + ";sel;\ndb.struct_signature(self.id)", + ) + ";sel".len(); let mut change = ChangeWithProcMacros::default(); change.change_file(file_id, Some(text)); host.apply_change(change); @@ -247,9 +249,11 @@ fn integrated_completion_benchmark() { let completion_offset = { let _it = stdx::timeit("change"); let mut text = host.analysis().file_text(file_id).unwrap().to_string(); - let completion_offset = - patch(&mut text, "sel;\ndb.struct_data(self.id)", "self.;\ndb.struct_data(self.id)") - + "self.".len(); + let completion_offset = patch( + &mut text, + "sel;\ndb.struct_signature(self.id)", + "self.;\ndb.struct_signature(self.id)", + ) + "self.".len(); let mut change = ChangeWithProcMacros::default(); change.change_file(file_id, Some(text)); host.apply_change(change); @@ -366,7 +370,7 @@ fn integrated_diagnostics_benchmark() { { let _it = stdx::timeit("change"); let mut text = host.analysis().file_text(file_id).unwrap().to_string(); - patch(&mut text, "db.struct_data(self.id)", "();\ndb.struct_data(self.id)"); + patch(&mut text, "db.struct_signature(self.id)", "();\ndb.struct_signature(self.id)"); let mut change = ChangeWithProcMacros::default(); change.change_file(file_id, Some(text)); host.apply_change(change); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs index bd213ffa57a..0c0438c4b8f 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs @@ -8,7 +8,7 @@ use std::{ time::{Duration, Instant}, }; -use crossbeam_channel::{Receiver, select}; +use crossbeam_channel::{Receiver, never, select}; use ide_db::base_db::{SourceDatabase, VfsPath, salsa::Database as _}; use lsp_server::{Connection, Notification, Request}; use lsp_types::{TextDocumentIdentifier, notification::Notification as _}; @@ -71,6 +71,7 @@ enum Event { Flycheck(FlycheckMessage), TestResult(CargoTestMessage), DiscoverProject(DiscoverProjectMessage), + FetchWorkspaces(FetchWorkspaceRequest), } impl fmt::Display for Event { @@ -83,6 +84,7 @@ impl fmt::Display for Event { Event::QueuedTask(_) => write!(f, "Event::QueuedTask"), Event::TestResult(_) => write!(f, "Event::TestResult"), Event::DiscoverProject(_) => write!(f, "Event::DiscoverProject"), + Event::FetchWorkspaces(_) => write!(f, "Event::SwitchWorkspaces"), } } } @@ -150,6 +152,7 @@ impl fmt::Debug for Event { } _ => (), } + match self { Event::Lsp(it) => fmt::Debug::fmt(it, f), Event::Task(it) => fmt::Debug::fmt(it, f), @@ -158,6 +161,7 @@ impl fmt::Debug for Event { Event::Flycheck(it) => fmt::Debug::fmt(it, f), Event::TestResult(it) => fmt::Debug::fmt(it, f), Event::DiscoverProject(it) => fmt::Debug::fmt(it, f), + Event::FetchWorkspaces(it) => fmt::Debug::fmt(it, f), } } } @@ -251,7 +255,7 @@ impl GlobalState { } fn next_event( - &self, + &mut self, inbox: &Receiver<lsp_server::Message>, ) -> Result<Option<Event>, crossbeam_channel::RecvError> { // Make sure we reply to formatting requests ASAP so the editor doesn't block @@ -283,6 +287,10 @@ impl GlobalState { recv(self.discover_receiver) -> task => task.map(Event::DiscoverProject), + + recv(self.fetch_ws_receiver.as_ref().map_or(&never(), |(chan, _)| chan)) -> _instant => { + Ok(Event::FetchWorkspaces(self.fetch_ws_receiver.take().unwrap().1)) + }, } .map(Some) } @@ -412,6 +420,9 @@ impl GlobalState { self.handle_discover_msg(message); } } + Event::FetchWorkspaces(req) => { + self.fetch_workspaces_queue.request_op("project structure change".to_owned(), req) + } } let event_handling_duration = loop_start.elapsed(); let (state_changed, memdocs_added_or_removed) = if self.vfs_done { @@ -830,6 +841,7 @@ impl GlobalState { match message { vfs::loader::Message::Changed { files } | vfs::loader::Message::Loaded { files } => { let _p = tracing::info_span!("GlobalState::handle_vfs_msg{changed/load}").entered(); + self.debounce_workspace_fetch(); let vfs = &mut self.vfs.write().0; for (path, contents) in files { let path = VfsPath::from(path); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/op_queue.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/op_queue.rs index 709d99bda75..7af5b48bb7a 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/op_queue.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/op_queue.rs @@ -36,7 +36,7 @@ impl<Args, Output> Default for OpQueue<Args, Output> { } } -impl<Args, Output> OpQueue<Args, Output> { +impl<Args: std::fmt::Debug, Output> OpQueue<Args, Output> { /// Request an operation to start. pub(crate) fn request_op(&mut self, reason: Cause, args: Args) { self.op_requested = Some((reason, args)); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs index 55ed1923653..ae9e3e99874 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs @@ -69,6 +69,7 @@ impl GlobalState { /// are ready to do semantic work. pub(crate) fn is_quiescent(&self) -> bool { self.vfs_done + && self.fetch_ws_receiver.is_none() && !self.fetch_workspaces_queue.op_in_progress() && !self.fetch_build_data_queue.op_in_progress() && !self.fetch_proc_macros_queue.op_in_progress() @@ -659,6 +660,10 @@ impl GlobalState { .chain( ws.sysroot .root() + .filter(|_| { + !self.config.extra_env(None).contains_key("RUSTUP_TOOLCHAIN") + && std::env::var_os("RUSTUP_TOOLCHAIN").is_none() + }) .map(|it| ("RUSTUP_TOOLCHAIN".to_owned(), Some(it.to_string()))), ) .collect(), diff --git a/src/tools/rust-analyzer/crates/stdx/Cargo.toml b/src/tools/rust-analyzer/crates/stdx/Cargo.toml index 7bda106764b..b37aded6f68 100644 --- a/src/tools/rust-analyzer/crates/stdx/Cargo.toml +++ b/src/tools/rust-analyzer/crates/stdx/Cargo.toml @@ -17,6 +17,7 @@ jod-thread = "1.0.0" crossbeam-channel.workspace = true itertools.workspace = true tracing.workspace = true +crossbeam-utils = "0.8.21" # Think twice before adding anything here [target.'cfg(unix)'.dependencies] diff --git a/src/tools/rust-analyzer/crates/stdx/src/thread/pool.rs b/src/tools/rust-analyzer/crates/stdx/src/thread/pool.rs index a8de4db624f..8d76c5fd1fb 100644 --- a/src/tools/rust-analyzer/crates/stdx/src/thread/pool.rs +++ b/src/tools/rust-analyzer/crates/stdx/src/thread/pool.rs @@ -8,6 +8,7 @@ //! the threading utilities in [`crate::thread`]. use std::{ + marker::PhantomData, panic::{self, UnwindSafe}, sync::{ Arc, @@ -16,8 +17,9 @@ use std::{ }; use crossbeam_channel::{Receiver, Sender}; +use crossbeam_utils::sync::WaitGroup; -use super::{Builder, JoinHandle, ThreadIntent}; +use crate::thread::{Builder, JoinHandle, ThreadIntent}; pub struct Pool { // `_handles` is never read: the field is present @@ -79,9 +81,6 @@ impl Pool { Self { _handles: handles.into_boxed_slice(), extant_tasks, job_sender } } - /// # Panics - /// - /// Panics if job panics pub fn spawn<F>(&self, intent: ThreadIntent, f: F) where F: FnOnce() + Send + UnwindSafe + 'static, @@ -97,6 +96,17 @@ impl Pool { self.job_sender.send(job).unwrap(); } + pub fn scoped<'pool, 'scope, F, R>(&'pool self, f: F) -> R + where + F: FnOnce(&Scope<'pool, 'scope>) -> R, + { + let wg = WaitGroup::new(); + let scope = Scope { pool: self, wg, _marker: PhantomData }; + let r = f(&scope); + scope.wg.wait(); + r + } + #[must_use] pub fn len(&self) -> usize { self.extant_tasks.load(Ordering::SeqCst) @@ -107,3 +117,36 @@ impl Pool { self.len() == 0 } } + +pub struct Scope<'pool, 'scope> { + pool: &'pool Pool, + wg: WaitGroup, + _marker: PhantomData<fn(&'scope ()) -> &'scope ()>, +} + +impl<'scope> Scope<'_, 'scope> { + pub fn spawn<F>(&self, intent: ThreadIntent, f: F) + where + F: 'scope + FnOnce() + Send + UnwindSafe, + { + let wg = self.wg.clone(); + let f = Box::new(move || { + if cfg!(debug_assertions) { + intent.assert_is_used_on_current_thread(); + } + f(); + drop(wg); + }); + + let job = Job { + requested_intent: intent, + f: unsafe { + std::mem::transmute::< + Box<dyn 'scope + FnOnce() + Send + UnwindSafe>, + Box<dyn 'static + FnOnce() + Send + UnwindSafe>, + >(f) + }, + }; + self.pool.job_sender.send(job).unwrap(); + } +} diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs index da0bfd4f37f..e60243f2c91 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs @@ -109,6 +109,67 @@ impl GenericParamsOwnerEdit for ast::Trait { } } +impl GenericParamsOwnerEdit for ast::TraitAlias { + fn get_or_create_generic_param_list(&self) -> ast::GenericParamList { + match self.generic_param_list() { + Some(it) => it, + None => { + let position = if let Some(name) = self.name() { + Position::after(name.syntax) + } else if let Some(trait_token) = self.trait_token() { + Position::after(trait_token) + } else { + Position::last_child_of(self.syntax()) + }; + create_generic_param_list(position) + } + } + } + + fn get_or_create_where_clause(&self) -> ast::WhereClause { + if self.where_clause().is_none() { + let position = match self.semicolon_token() { + Some(tok) => Position::before(tok), + None => Position::last_child_of(self.syntax()), + }; + create_where_clause(position); + } + self.where_clause().unwrap() + } +} + +impl GenericParamsOwnerEdit for ast::TypeAlias { + fn get_or_create_generic_param_list(&self) -> ast::GenericParamList { + match self.generic_param_list() { + Some(it) => it, + None => { + let position = if let Some(name) = self.name() { + Position::after(name.syntax) + } else if let Some(trait_token) = self.type_token() { + Position::after(trait_token) + } else { + Position::last_child_of(self.syntax()) + }; + create_generic_param_list(position) + } + } + } + + fn get_or_create_where_clause(&self) -> ast::WhereClause { + if self.where_clause().is_none() { + let position = match self.eq_token() { + Some(tok) => Position::before(tok), + None => match self.semicolon_token() { + Some(tok) => Position::before(tok), + None => Position::last_child_of(self.syntax()), + }, + }; + create_where_clause(position); + } + self.where_clause().unwrap() + } +} + impl GenericParamsOwnerEdit for ast::Struct { fn get_or_create_generic_param_list(&self) -> ast::GenericParamList { match self.generic_param_list() { diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs index 596f73e0b10..fab4cb287c3 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs @@ -13,6 +13,7 @@ mod quote; +use either::Either; use itertools::Itertools; use parser::{Edition, T}; use rowan::NodeOrToken; @@ -881,7 +882,7 @@ pub fn match_arm_list(arms: impl IntoIterator<Item = ast::MatchArm>) -> ast::Mat } pub fn where_pred( - path: ast::Type, + path: Either<ast::Lifetime, ast::Type>, bounds: impl IntoIterator<Item = ast::TypeBound>, ) -> ast::WherePred { let bounds = bounds.into_iter().join(" + "); diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs index 8dee3964d44..429e51ba362 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs @@ -585,6 +585,18 @@ impl SyntaxFactory { ast } + pub fn expr_underscore(&self) -> ast::UnderscoreExpr { + let ast::Expr::UnderscoreExpr(ast) = make::ext::expr_underscore().clone_for_update() else { + unreachable!() + }; + + if let Some(mut mapping) = self.mappings() { + SyntaxMappingBuilder::new(ast.syntax().clone()).finish(&mut mapping); + } + + ast + } + pub fn expr_if( &self, condition: ast::Expr, diff --git a/src/tools/rust-analyzer/crates/test-fixture/src/lib.rs b/src/tools/rust-analyzer/crates/test-fixture/src/lib.rs index f6ca5ab6c8c..96e1301f227 100644 --- a/src/tools/rust-analyzer/crates/test-fixture/src/lib.rs +++ b/src/tools/rust-analyzer/crates/test-fixture/src/lib.rs @@ -662,10 +662,6 @@ impl ProcMacroExpander for IdentityProcMacroExpander { ) -> Result<TopSubtree, ProcMacroExpansionError> { Ok(subtree.clone()) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } // Expands to a macro_rules! macro, for issue #18089. @@ -697,10 +693,6 @@ impl ProcMacroExpander for Issue18089ProcMacroExpander { #subtree }) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } // Pastes the attribute input as its output @@ -721,10 +713,6 @@ impl ProcMacroExpander for AttributeInputReplaceProcMacroExpander { .cloned() .ok_or_else(|| ProcMacroExpansionError::Panic("Expected attribute input".into())) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } #[derive(Debug)] @@ -756,10 +744,6 @@ impl ProcMacroExpander for Issue18840ProcMacroExpander { top_subtree_delimiter_mut.close = def_site; Ok(result) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } #[derive(Debug)] @@ -791,10 +775,6 @@ impl ProcMacroExpander for MirrorProcMacroExpander { traverse(&mut builder, input.iter()); Ok(builder.build()) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } // Replaces every literal with an empty string literal and every identifier with its first letter, @@ -835,10 +815,6 @@ impl ProcMacroExpander for ShortenProcMacroExpander { } } } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } // Reads ident type within string quotes, for issue #17479. @@ -864,10 +840,6 @@ impl ProcMacroExpander for Issue17479ProcMacroExpander { #symbol() }) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } // Reads ident type within string quotes, for issue #17479. @@ -919,10 +891,6 @@ impl ProcMacroExpander for Issue18898ProcMacroExpander { } }) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } // Reads ident type within string quotes, for issue #17479. @@ -950,8 +918,4 @@ impl ProcMacroExpander for DisallowCfgProcMacroExpander { } Ok(subtree.clone()) } - - fn eq_dyn(&self, other: &dyn ProcMacroExpander) -> bool { - other.as_any().type_id() == std::any::TypeId::of::<Self>() - } } diff --git a/src/tools/rust-analyzer/crates/tt/src/lib.rs b/src/tools/rust-analyzer/crates/tt/src/lib.rs index 1dbc07c0929..14574a6456b 100644 --- a/src/tools/rust-analyzer/crates/tt/src/lib.rs +++ b/src/tools/rust-analyzer/crates/tt/src/lib.rs @@ -817,6 +817,58 @@ impl<S> fmt::Display for Ident<S> { } } +impl<S> Literal<S> { + pub fn display_no_minus(&self) -> impl fmt::Display { + struct NoMinus<'a, S>(&'a Literal<S>); + impl<S> fmt::Display for NoMinus<'_, S> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + let symbol = + self.0.symbol.as_str().strip_prefix('-').unwrap_or(self.0.symbol.as_str()); + match self.0.kind { + LitKind::Byte => write!(f, "b'{symbol}'"), + LitKind::Char => write!(f, "'{symbol}'"), + LitKind::Integer | LitKind::Float | LitKind::Err(_) => write!(f, "{symbol}"), + LitKind::Str => write!(f, "\"{symbol}\""), + LitKind::ByteStr => write!(f, "b\"{symbol}\""), + LitKind::CStr => write!(f, "c\"{symbol}\""), + LitKind::StrRaw(num_of_hashes) => { + let num_of_hashes = num_of_hashes as usize; + write!( + f, + r#"r{0:#<num_of_hashes$}"{text}"{0:#<num_of_hashes$}"#, + "", + text = symbol + ) + } + LitKind::ByteStrRaw(num_of_hashes) => { + let num_of_hashes = num_of_hashes as usize; + write!( + f, + r#"br{0:#<num_of_hashes$}"{text}"{0:#<num_of_hashes$}"#, + "", + text = symbol + ) + } + LitKind::CStrRaw(num_of_hashes) => { + let num_of_hashes = num_of_hashes as usize; + write!( + f, + r#"cr{0:#<num_of_hashes$}"{text}"{0:#<num_of_hashes$}"#, + "", + text = symbol + ) + } + }?; + if let Some(suffix) = &self.0.suffix { + write!(f, "{suffix}")?; + } + Ok(()) + } + } + NoMinus(self) + } +} + impl<S> fmt::Display for Literal<S> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self.kind { diff --git a/src/tools/rust-analyzer/docs/book/src/configuration_generated.md b/src/tools/rust-analyzer/docs/book/src/configuration_generated.md index 2ae73df61d0..0e07dadfb7c 100644 --- a/src/tools/rust-analyzer/docs/book/src/configuration_generated.md +++ b/src/tools/rust-analyzer/docs/book/src/configuration_generated.md @@ -763,6 +763,13 @@ Default: `"hexadecimal"` How to render the offset information in a memory layout hover. +## rust-analyzer.hover.memoryLayout.padding {#hover.memoryLayout.padding} + +Default: `null` + +How to render the padding information in a memory layout hover. + + ## rust-analyzer.hover.memoryLayout.size {#hover.memoryLayout.size} Default: `"both"` @@ -835,7 +842,7 @@ Whether to prefer import paths containing a `prelude` module. ## rust-analyzer.imports.prefix {#imports.prefix} -Default: `"plain"` +Default: `"crate"` The path structure for newly inserted paths to use. diff --git a/src/tools/rust-analyzer/docs/book/src/other_editors.md b/src/tools/rust-analyzer/docs/book/src/other_editors.md index 1eac7dd2c25..896df52af5f 100644 --- a/src/tools/rust-analyzer/docs/book/src/other_editors.md +++ b/src/tools/rust-analyzer/docs/book/src/other_editors.md @@ -364,30 +364,6 @@ binary](./rust_analyzer_binary.html). There are multiple rust-analyzer extensions for Visual Studio 2022 on Windows: -### rust-analyzer.vs - -(License: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 -International) - -[Visual Studio -Marketplace](https://marketplace.visualstudio.com/items?itemName=kitamstudios.RustAnalyzer) - -[GitHub](https://github.com/kitamstudios/rust-analyzer/) - -Support for Rust development in the Visual Studio IDE is enabled by the -[rust-analyzer](https://marketplace.visualstudio.com/items?itemName=kitamstudios.RustAnalyzer) -package. Either click on the download link or install from IDE’s -extension manager. For now [Visual Studio -2022](https://visualstudio.microsoft.com/downloads/) is required. All -editions are supported viz. Community, Professional & Enterprise. The -package aims to provide 0-friction installation and therefore comes -loaded with most things required including rust-analyzer binary. If -anything it needs is missing, appropriate errors / warnings will guide -the user. E.g. cargo.exe needs to be in path and the package will tell -you as much. This package is under rapid active development. So if you -encounter any issues please file it at -[rust-analyzer.vs](https://github.com/kitamstudios/rust-analyzer/). - ### VS RustAnalyzer (License: GPL) diff --git a/src/tools/rust-analyzer/editors/code/package-lock.json b/src/tools/rust-analyzer/editors/code/package-lock.json index 11a37c218f7..18fb097aad7 100644 --- a/src/tools/rust-analyzer/editors/code/package-lock.json +++ b/src/tools/rust-analyzer/editors/code/package-lock.json @@ -5730,9 +5730,9 @@ "license": "MIT" }, "node_modules/undici": { - "version": "6.21.1", - "resolved": "https://registry.npmjs.org/undici/-/undici-6.21.1.tgz", - "integrity": "sha512-q/1rj5D0/zayJB2FraXdaWxbhWiNKDvu8naDT2dl1yTlvJp4BLtOcp2a5BvgGNQpYYJzau7tf1WgKv3b+7mqpQ==", + "version": "6.21.3", + "resolved": "https://registry.npmjs.org/undici/-/undici-6.21.3.tgz", + "integrity": "sha512-gBLkYIlEnSp8pFbT64yFgGE6UIB9tAkhukC23PmMDCe5Nd+cRqKxSjw5y54MK2AZMgZfJWMaNE4nYUHgi1XEOw==", "dev": true, "license": "MIT", "engines": { diff --git a/src/tools/rust-analyzer/editors/code/package.json b/src/tools/rust-analyzer/editors/code/package.json index a282eea9997..c8c36cd85c8 100644 --- a/src/tools/rust-analyzer/editors/code/package.json +++ b/src/tools/rust-analyzer/editors/code/package.json @@ -1782,6 +1782,33 @@ { "title": "hover", "properties": { + "rust-analyzer.hover.memoryLayout.padding": { + "markdownDescription": "How to render the padding information in a memory layout hover.", + "default": null, + "anyOf": [ + { + "type": "null" + }, + { + "type": "string", + "enum": [ + "both", + "decimal", + "hexadecimal" + ], + "enumDescriptions": [ + "Render as 12 (0xC)", + "Render as 12", + "Render as 0xC" + ] + } + ] + } + } + }, + { + "title": "hover", + "properties": { "rust-analyzer.hover.memoryLayout.size": { "markdownDescription": "How to render the size information in a memory layout hover.", "default": "both", @@ -1927,7 +1954,7 @@ "properties": { "rust-analyzer.imports.prefix": { "markdownDescription": "The path structure for newly inserted paths to use.", - "default": "plain", + "default": "crate", "type": "string", "enum": [ "plain", diff --git a/src/tools/rust-analyzer/rust-version b/src/tools/rust-analyzer/rust-version index 90e4d65bf96..5b47d1bbaed 100644 --- a/src/tools/rust-analyzer/rust-version +++ b/src/tools/rust-analyzer/rust-version @@ -1 +1 @@ -6e23095adf9209614a45f7f75fea36dad7b92afb +a8e4c68dcb4dc1e48a0db294c5323cab0227fcb9 diff --git a/src/tools/rust-analyzer/xtask/Cargo.toml b/src/tools/rust-analyzer/xtask/Cargo.toml index 6195de5d202..bb7d83c4b7d 100644 --- a/src/tools/rust-analyzer/xtask/Cargo.toml +++ b/src/tools/rust-analyzer/xtask/Cargo.toml @@ -14,7 +14,7 @@ write-json = "0.1.4" xshell.workspace = true xflags = "0.3.2" time = { version = "0.3", default-features = false } -zip = { version = "2.4", default-features = false, features = ["deflate-flate2", "flate2", "time"] } +zip = { version = "3.0", default-features = false, features = ["deflate-flate2", "time"] } stdx.workspace = true proc-macro2 = "1.0.94" quote = "1.0.40" diff --git a/src/tools/rustbook/Cargo.lock b/src/tools/rustbook/Cargo.lock index 0b389377011..8893846b5fa 100644 --- a/src/tools/rustbook/Cargo.lock +++ b/src/tools/rustbook/Cargo.lock @@ -344,17 +344,6 @@ dependencies = [ ] [[package]] -name = "dbus" -version = "0.9.7" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1bb21987b9fb1613058ba3843121dd18b163b254d8a6e797e144cbac14d96d1b" -dependencies = [ - "libc", - "libdbus-sys", - "winapi", -] - -[[package]] name = "derive_builder" version = "0.20.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -824,16 +813,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa" [[package]] -name = "libdbus-sys" -version = "0.2.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "06085512b750d640299b79be4bad3d2fa90a9c00b1fd9e1b46364f66f0485c72" -dependencies = [ - "cc", - "pkg-config", -] - -[[package]] name = "linereader" version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -906,9 +885,9 @@ dependencies = [ [[package]] name = "mdbook" -version = "0.4.49" +version = "0.4.51" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d1daacee059634081dee4250d2814763a365b92dfe14bfdef964bc27835209d4" +checksum = "a87e65420ab45ca9c1b8cdf698f95b710cc826d373fa550f0f7fad82beac9328" dependencies = [ "ammonia", "anyhow", @@ -921,7 +900,6 @@ dependencies = [ "hex", "log", "memchr", - "once_cell", "opener", "pulldown-cmark 0.10.3", "regex", @@ -1048,11 +1026,11 @@ checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d" [[package]] name = "onig" -version = "6.4.0" +version = "6.5.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8c4b31c8722ad9171c6d77d3557db078cab2bd50afcc9d09c8b315c59df8ca4f" +checksum = "336b9c63443aceef14bea841b899035ae3abe89b7c486aaf4c5bd8aafedac3f0" dependencies = [ - "bitflags 1.3.2", + "bitflags 2.9.0", "libc", "once_cell", "onig_sys", @@ -1060,9 +1038,9 @@ dependencies = [ [[package]] name = "onig_sys" -version = "69.8.1" +version = "69.9.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7b829e3d7e9cc74c7e315ee8edb185bf4190da5acde74afd7fc59c35b1f086e7" +checksum = "c7f86c6eef3d6df15f23bcfb6af487cbd2fed4e5581d58d5bf1f5f8b7f6727dc" dependencies = [ "cc", "pkg-config", @@ -1070,12 +1048,11 @@ dependencies = [ [[package]] name = "opener" -version = "0.7.2" +version = "0.8.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d0812e5e4df08da354c851a3376fead46db31c2214f849d3de356d774d057681" +checksum = "de96cad6ee771be7f68df884d3767460b4684012308d8342ed5623fe62b2628c" dependencies = [ "bstr", - "dbus", "normpath", "windows-sys", ] @@ -1906,22 +1883,6 @@ dependencies = [ ] [[package]] -name = "winapi" -version = "0.3.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419" -dependencies = [ - "winapi-i686-pc-windows-gnu", - "winapi-x86_64-pc-windows-gnu", -] - -[[package]] -name = "winapi-i686-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" - -[[package]] name = "winapi-util" version = "0.1.9" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1931,12 +1892,6 @@ dependencies = [ ] [[package]] -name = "winapi-x86_64-pc-windows-gnu" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" - -[[package]] name = "windows-core" version = "0.61.0" source = "registry+https://github.com/rust-lang/crates.io-index" diff --git a/src/tools/rustbook/Cargo.toml b/src/tools/rustbook/Cargo.toml index 10fde31306d..69c0cfaf5c9 100644 --- a/src/tools/rustbook/Cargo.toml +++ b/src/tools/rustbook/Cargo.toml @@ -15,6 +15,6 @@ mdbook-i18n-helpers = "0.3.3" mdbook-spec = { path = "../../doc/reference/mdbook-spec" } [dependencies.mdbook] -version = "0.4.49" +version = "0.4.51" default-features = false features = ["search"] diff --git a/src/tools/rustc-perf b/src/tools/rustc-perf -Subproject c0f3b53c8e5de87714d18a5f42998859302ae03 +Subproject 6a70166b92a1b1560cb3cf056427b011b2a1f2b diff --git a/src/tools/rustfmt/src/items.rs b/src/tools/rustfmt/src/items.rs index e79b7803c60..1a3897b51cb 100644 --- a/src/tools/rustfmt/src/items.rs +++ b/src/tools/rustfmt/src/items.rs @@ -1110,10 +1110,10 @@ impl<'a> StructParts<'a> { pub(crate) fn from_item(item: &'a ast::Item) -> Self { let (prefix, def, ident, generics) = match item.kind { - ast::ItemKind::Struct(ident, ref def, ref generics) => { + ast::ItemKind::Struct(ident, ref generics, ref def) => { ("struct ", def, ident, generics) } - ast::ItemKind::Union(ident, ref def, ref generics) => ("union ", def, ident, generics), + ast::ItemKind::Union(ident, ref generics, ref def) => ("union ", def, ident, generics), _ => unreachable!(), }; StructParts { diff --git a/src/tools/rustfmt/src/lib.rs b/src/tools/rustfmt/src/lib.rs index 08cda6913b9..942b42ec5f2 100644 --- a/src/tools/rustfmt/src/lib.rs +++ b/src/tools/rustfmt/src/lib.rs @@ -8,7 +8,6 @@ // N.B. these crates are loaded from the sysroot, so they need extern crate. extern crate rustc_ast; extern crate rustc_ast_pretty; -extern crate rustc_builtin_macros; extern crate rustc_data_structures; extern crate rustc_errors; extern crate rustc_expand; diff --git a/src/tools/rustfmt/src/parse/macros/asm.rs b/src/tools/rustfmt/src/parse/macros/asm.rs index 58c8d21bd7a..bfa9c6300c4 100644 --- a/src/tools/rustfmt/src/parse/macros/asm.rs +++ b/src/tools/rustfmt/src/parse/macros/asm.rs @@ -1,10 +1,10 @@ use rustc_ast::ast; -use rustc_builtin_macros::asm::{AsmArgs, parse_asm_args}; +use rustc_parse::parser::asm::{AsmArg, parse_asm_args}; use crate::rewrite::RewriteContext; #[allow(dead_code)] -pub(crate) fn parse_asm(context: &RewriteContext<'_>, mac: &ast::MacCall) -> Option<AsmArgs> { +pub(crate) fn parse_asm(context: &RewriteContext<'_>, mac: &ast::MacCall) -> Option<Vec<AsmArg>> { let ts = mac.args.tokens.clone(); let mut parser = super::build_parser(context, ts); parse_asm_args(&mut parser, mac.span(), ast::AsmMacro::Asm).ok() diff --git a/src/tools/rustfmt/src/visitor.rs b/src/tools/rustfmt/src/visitor.rs index 16d1f5105d5..f6a9a3f2cd1 100644 --- a/src/tools/rustfmt/src/visitor.rs +++ b/src/tools/rustfmt/src/visitor.rs @@ -521,7 +521,7 @@ impl<'b, 'a: 'b> FmtVisitor<'a> { ast::ItemKind::Struct(..) | ast::ItemKind::Union(..) => { self.visit_struct(&StructParts::from_item(item)); } - ast::ItemKind::Enum(ident, ref def, ref generics) => { + ast::ItemKind::Enum(ident, ref generics, ref def) => { self.format_missing_with_indent(source!(self, item.span).lo()); self.visit_enum(ident, &item.vis, def, generics, item.span); self.last_pos = source!(self, item.span).hi(); diff --git a/src/tools/tidy/Cargo.toml b/src/tools/tidy/Cargo.toml index dfdbc0878f2..4835c220210 100644 --- a/src/tools/tidy/Cargo.toml +++ b/src/tools/tidy/Cargo.toml @@ -15,7 +15,7 @@ semver = "1.0" serde = { version = "1.0.125", features = ["derive"], optional = true } termcolor = "1.1.3" rustc-hash = "2.0.0" -fluent-syntax = "0.11.1" +fluent-syntax = "0.12" similar = "2.5.0" toml = "0.7.8" diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 4195258af88..9f333cc43cf 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -200,6 +200,7 @@ const EXCEPTIONS_CRANELIFT: ExceptionList = &[ ("cranelift-module", "Apache-2.0 WITH LLVM-exception"), ("cranelift-native", "Apache-2.0 WITH LLVM-exception"), ("cranelift-object", "Apache-2.0 WITH LLVM-exception"), + ("cranelift-srcgen", "Apache-2.0 WITH LLVM-exception"), ("foldhash", "Zlib"), ("mach2", "BSD-2-Clause OR MIT OR Apache-2.0"), ("regalloc2", "Apache-2.0 WITH LLVM-exception"), @@ -429,10 +430,13 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "winapi-util", "winapi-x86_64-pc-windows-gnu", "windows", + "windows-collections", "windows-core", + "windows-future", "windows-implement", "windows-interface", "windows-link", + "windows-numerics", "windows-result", "windows-strings", "windows-sys", @@ -522,6 +526,7 @@ const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[ "cranelift-module", "cranelift-native", "cranelift-object", + "cranelift-srcgen", "crc32fast", "equivalent", "fallible-iterator", diff --git a/src/tools/tidy/src/features.rs b/src/tools/tidy/src/features.rs index fcd7943e6e0..6093e7fd263 100644 --- a/src/tools/tidy/src/features.rs +++ b/src/tools/tidy/src/features.rs @@ -54,6 +54,7 @@ pub struct Feature { pub tracking_issue: Option<NonZeroU32>, pub file: PathBuf, pub line: usize, + pub description: Option<String>, } impl Feature { fn tracking_issue_display(&self) -> impl fmt::Display { @@ -296,6 +297,7 @@ fn collect_lang_features_in(features: &mut Features, base: &Path, file: &str, ba let mut prev_names = vec![]; let lines = contents.lines().zip(1..); + let mut doc_comments: Vec<String> = Vec::new(); for (line, line_number) in lines { let line = line.trim(); @@ -332,6 +334,13 @@ fn collect_lang_features_in(features: &mut Features, base: &Path, file: &str, ba continue; } + if in_feature_group { + if let Some(doc_comment) = line.strip_prefix("///") { + doc_comments.push(doc_comment.trim().to_string()); + continue; + } + } + let mut parts = line.split(','); let level = match parts.next().map(|l| l.trim().trim_start_matches('(')) { Some("unstable") => Status::Unstable, @@ -438,9 +447,15 @@ fn collect_lang_features_in(features: &mut Features, base: &Path, file: &str, ba tracking_issue, file: path.to_path_buf(), line: line_number, + description: if doc_comments.is_empty() { + None + } else { + Some(doc_comments.join(" ")) + }, }); } } + doc_comments.clear(); } } @@ -564,6 +579,7 @@ fn map_lib_features( tracking_issue: find_attr_val(line, "issue").and_then(handle_issue_none), file: file.to_path_buf(), line: i + 1, + description: None, }; mf(Ok((feature_name, feature)), file, i + 1); continue; @@ -600,6 +616,7 @@ fn map_lib_features( tracking_issue, file: file.to_path_buf(), line: i + 1, + description: None, }; if line.contains(']') { mf(Ok((feature_name, feature)), file, i + 1); diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 1d0ddd56eec..3e9d79224fd 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -939,7 +939,6 @@ ui/enum-discriminant/auxiliary/issue-41394.rs ui/enum-discriminant/issue-104519.rs ui/enum-discriminant/issue-41394-rpass.rs ui/enum-discriminant/issue-41394.rs -ui/enum-discriminant/issue-43398.rs ui/enum-discriminant/issue-46519.rs ui/enum-discriminant/issue-50689.rs ui/enum-discriminant/issue-51582.rs diff --git a/src/tools/tidy/src/lib.rs b/src/tools/tidy/src/lib.rs index ca45f8bb84b..e8a12d56335 100644 --- a/src/tools/tidy/src/lib.rs +++ b/src/tools/tidy/src/lib.rs @@ -82,6 +82,7 @@ pub mod mir_opt_tests; pub mod pal; pub mod rustdoc_css_themes; pub mod rustdoc_gui_tests; +pub mod rustdoc_js; pub mod rustdoc_templates; pub mod style; pub mod target_policy; diff --git a/src/tools/tidy/src/main.rs b/src/tools/tidy/src/main.rs index 48122129b01..776f1bde2eb 100644 --- a/src/tools/tidy/src/main.rs +++ b/src/tools/tidy/src/main.rs @@ -35,6 +35,7 @@ fn main() { let library_path = root_path.join("library"); let compiler_path = root_path.join("compiler"); let librustdoc_path = src_path.join("librustdoc"); + let tools_path = src_path.join("tools"); let crashes_path = tests_path.join("crashes"); let args: Vec<String> = env::args().skip(1).collect(); @@ -108,6 +109,7 @@ fn main() { check!(rustdoc_gui_tests, &tests_path); check!(rustdoc_css_themes, &librustdoc_path); check!(rustdoc_templates, &librustdoc_path); + check!(rustdoc_js, &librustdoc_path, &tools_path, &src_path); check!(known_bug, &crashes_path); check!(unknown_revision, &tests_path); diff --git a/src/tools/tidy/src/rustdoc_js.rs b/src/tools/tidy/src/rustdoc_js.rs new file mode 100644 index 00000000000..2517e2de12c --- /dev/null +++ b/src/tools/tidy/src/rustdoc_js.rs @@ -0,0 +1,99 @@ +//! Tidy check to ensure that rustdoc templates didn't forget a `{# #}` to strip extra whitespace +//! characters. + +use std::ffi::OsStr; +use std::path::{Path, PathBuf}; +use std::process::Command; + +use ignore::DirEntry; + +use crate::walk::walk_no_read; + +fn run_eslint(args: &[PathBuf], config_folder: PathBuf, bad: &mut bool) { + let mut child = match Command::new("npx") + .arg("eslint") + .arg("-c") + .arg(config_folder.join(".eslintrc.js")) + .args(args) + .spawn() + { + Ok(child) => child, + Err(error) => { + *bad = true; + eprintln!("failed to run eslint: {error:?}"); + return; + } + }; + match child.wait() { + Ok(exit_status) => { + if exit_status.success() { + return; + } + eprintln!("eslint command failed"); + } + Err(error) => eprintln!("eslint command failed: {error:?}"), + } + *bad = true; +} + +fn get_eslint_version_inner(global: bool) -> Option<String> { + let mut command = Command::new("npm"); + command.arg("list").arg("--parseable").arg("--long").arg("--depth=0"); + if global { + command.arg("--global"); + } + let output = command.output().ok()?; + let lines = String::from_utf8_lossy(&output.stdout); + lines.lines().find_map(|l| l.split(':').nth(1)?.strip_prefix("eslint@")).map(|v| v.to_owned()) +} + +fn get_eslint_version() -> Option<String> { + get_eslint_version_inner(false).or_else(|| get_eslint_version_inner(true)) +} + +pub fn check(librustdoc_path: &Path, tools_path: &Path, src_path: &Path, bad: &mut bool) { + let eslint_version_path = + src_path.join("ci/docker/host-x86_64/mingw-check-tidy/eslint.version"); + let eslint_version = match std::fs::read_to_string(&eslint_version_path) { + Ok(version) => version.trim().to_string(), + Err(error) => { + *bad = true; + eprintln!("failed to read `{}`: {error:?}", eslint_version_path.display()); + return; + } + }; + match get_eslint_version() { + Some(version) => { + if version != eslint_version { + *bad = true; + eprintln!( + "⚠️ Installed version of eslint (`{version}`) is different than the \ + one used in the CI (`{eslint_version}`)", + ); + eprintln!( + "You can install this version using `npm update eslint` or by using \ + `npm install eslint@{eslint_version}`", + ); + return; + } + } + None => { + eprintln!("`eslint` doesn't seem to be installed. Skipping tidy check for JS files."); + eprintln!("You can install it using `npm install eslint@{eslint_version}`"); + return; + } + } + let mut files_to_check = Vec::new(); + walk_no_read( + &[&librustdoc_path.join("html/static/js")], + |path, is_dir| is_dir || !path.extension().is_some_and(|ext| ext == OsStr::new("js")), + &mut |path: &DirEntry| { + files_to_check.push(path.path().into()); + }, + ); + println!("Running eslint on rustdoc JS files"); + run_eslint(&files_to_check, librustdoc_path.join("html/static"), bad); + + run_eslint(&[tools_path.join("rustdoc-js/tester.js")], tools_path.join("rustdoc-js"), bad); + run_eslint(&[tools_path.join("rustdoc-gui/tester.js")], tools_path.join("rustdoc-gui"), bad); +} diff --git a/src/tools/unstable-book-gen/src/SUMMARY.md b/src/tools/unstable-book-gen/src/SUMMARY.md index 933c928e2f0..fd4ea1dada6 100644 --- a/src/tools/unstable-book-gen/src/SUMMARY.md +++ b/src/tools/unstable-book-gen/src/SUMMARY.md @@ -1,5 +1,7 @@ [The Unstable Book](the-unstable-book.md) +- [Compiler environment variables](compiler-environment-variables.md) +{compiler_env_vars} - [Compiler flags](compiler-flags.md) {compiler_flags} - [Language features](language-features.md) diff --git a/src/tools/unstable-book-gen/src/main.rs b/src/tools/unstable-book-gen/src/main.rs index 6cbdc83d5b5..159a1d0fa17 100644 --- a/src/tools/unstable-book-gen/src/main.rs +++ b/src/tools/unstable-book-gen/src/main.rs @@ -12,13 +12,18 @@ use tidy::unstable_book::{ collect_unstable_feature_names, }; -fn generate_stub_issue(path: &Path, name: &str, issue: u32) { - let content = format!(include_str!("stub-issue.md"), name = name, issue = issue); +fn generate_stub_issue(path: &Path, name: &str, issue: u32, description: &str) { + let content = format!( + include_str!("stub-issue.md"), + name = name, + issue = issue, + description = description + ); t!(write(path, content), path); } -fn generate_stub_no_issue(path: &Path, name: &str) { - let content = format!(include_str!("stub-no-issue.md"), name = name); +fn generate_stub_no_issue(path: &Path, name: &str, description: &str) { + let content = format!(include_str!("stub-no-issue.md"), name = name, description = description); t!(write(path, content), path); } @@ -30,8 +35,12 @@ fn set_to_summary_str(set: &BTreeSet<String>, dir: &str) -> String { fn generate_summary(path: &Path, lang_features: &Features, lib_features: &Features) { let compiler_flags = collect_unstable_book_section_file_names(&path.join("src/compiler-flags")); + let compiler_env_vars = + collect_unstable_book_section_file_names(&path.join("src/compiler-environment-variables")); let compiler_flags_str = set_to_summary_str(&compiler_flags, "compiler-flags"); + let compiler_env_vars_str = + set_to_summary_str(&compiler_env_vars, "compiler-environment-variables"); let unstable_lang_features = collect_unstable_feature_names(&lang_features); let unstable_lib_features = collect_unstable_feature_names(&lib_features); @@ -42,6 +51,7 @@ fn generate_summary(path: &Path, lang_features: &Features, lib_features: &Featur let summary_path = path.join("src/SUMMARY.md"); let content = format!( include_str!("SUMMARY.md"), + compiler_env_vars = compiler_env_vars_str, compiler_flags = compiler_flags_str, language_features = lang_features_str, library_features = lib_features_str @@ -58,11 +68,17 @@ fn generate_unstable_book_files(src: &Path, out: &Path, features: &Features) { let file_name = format!("{feature_name}.md"); let out_file_path = out.join(&file_name); let feature = &features[&feature_name_underscore]; + let description = feature.description.as_deref().unwrap_or_default(); if let Some(issue) = feature.tracking_issue { - generate_stub_issue(&out_file_path, &feature_name_underscore, issue.get()); + generate_stub_issue( + &out_file_path, + &feature_name_underscore, + issue.get(), + &description, + ); } else { - generate_stub_no_issue(&out_file_path, &feature_name_underscore); + generate_stub_no_issue(&out_file_path, &feature_name_underscore, &description); } } } diff --git a/src/tools/unstable-book-gen/src/stub-issue.md b/src/tools/unstable-book-gen/src/stub-issue.md index 8698fb7278f..f1e91b4ac17 100644 --- a/src/tools/unstable-book-gen/src/stub-issue.md +++ b/src/tools/unstable-book-gen/src/stub-issue.md @@ -1,5 +1,7 @@ # `{name}` +{description} + The tracking issue for this feature is: [#{issue}] [#{issue}]: https://github.com/rust-lang/rust/issues/{issue} diff --git a/src/tools/unstable-book-gen/src/stub-no-issue.md b/src/tools/unstable-book-gen/src/stub-no-issue.md index 3da140633d0..3674d0048ae 100644 --- a/src/tools/unstable-book-gen/src/stub-no-issue.md +++ b/src/tools/unstable-book-gen/src/stub-no-issue.md @@ -1,5 +1,7 @@ # `{name}` +{description} + This feature has no tracking issue, and is therefore likely internal to the compiler, not being intended for general use. ------------------------ |