diff options
Diffstat (limited to 'src')
427 files changed, 6910 insertions, 5908 deletions
diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index cdad3bd46fa..d10d2d9bf8c 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", ] @@ -220,9 +220,9 @@ dependencies = [ [[package]] name = "errno" -version = "0.3.10" +version = "0.3.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d" +checksum = "976dd42dc7e85965fe702eb8164f21f450704bdde31faefd6471dba214cb594e" dependencies = [ "libc", "windows-sys 0.59.0", @@ -236,13 +236,13 @@ checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be" [[package]] name = "fd-lock" -version = "4.0.2" +version = "4.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7e5768da2206272c81ef0b5e951a41862938a6070da63bcea197899942d3b947" +checksum = "0ce92ff622d6dadf7349484f42c93271a0d49b7cc4d466a936405bacbe10aa78" dependencies = [ "cfg-if", - "rustix 0.38.40", - "windows-sys 0.52.0", + "rustix", + "windows-sys 0.59.0", ] [[package]] @@ -347,9 +347,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe" [[package]] name = "libc" -version = "0.2.171" +version = "0.2.172" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6" +checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa" [[package]] name = "libredox" @@ -364,12 +364,6 @@ dependencies = [ [[package]] name = "linux-raw-sys" -version = "0.4.14" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89" - -[[package]] -name = "linux-raw-sys" version = "0.9.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fe7db12097d22ec582439daf8618b8fdd1a7bef6270e9af3b1ebcd30893cf413" @@ -585,27 +579,14 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" [[package]] name = "rustix" -version = "0.38.40" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "99e4ea3e1cdc4b559b8e5650f9c8e5998e3e5c1343b4eaf034565f32318d63c0" -dependencies = [ - "bitflags", - "errno", - "libc", - "linux-raw-sys 0.4.14", - "windows-sys 0.52.0", -] - -[[package]] -name = "rustix" -version = "1.0.2" +version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f7178faa4b75a30e269c71e61c353ce2748cf3d76f0c44c393f4e60abf49b825" +checksum = "c71e83d6afe7ff64890ec6b71d6a69bb8a610ab78ce364b3352876bb4c801266" dependencies = [ "bitflags", "errno", "libc", - "linux-raw-sys 0.9.3", + "linux-raw-sys", "windows-sys 0.59.0", ] @@ -722,7 +703,7 @@ dependencies = [ "ntapi", "objc2-core-foundation", "objc2-io-kit", - "windows 0.61.1", + "windows", ] [[package]] @@ -745,7 +726,7 @@ dependencies = [ "fastrand", "getrandom", "once_cell", - "rustix 1.0.2", + "rustix", "windows-sys 0.59.0", ] @@ -937,22 +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", @@ -964,19 +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]] @@ -985,10 +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", ] @@ -998,23 +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" @@ -1026,17 +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" @@ -1058,21 +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" @@ -1182,13 +1110,12 @@ dependencies = [ [[package]] name = "xattr" -version = "1.3.1" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8da84f1a25939b27f6820d92aed108f83ff920fdf11a7b19366c27c4cda81d4f" +checksum = "0d65cbf2f12c15564212d48f4e3dfb87923d25d611f2aed18f4cb23f0413d89e" dependencies = [ "libc", - "linux-raw-sys 0.4.14", - "rustix 0.38.40", + "rustix", ] [[package]] diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml index e34de924cc1..9652d18f1a6 100644 --- a/src/bootstrap/Cargo.toml +++ b/src/bootstrap/Cargo.toml @@ -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/defaults/bootstrap.compiler.toml b/src/bootstrap/defaults/bootstrap.compiler.toml index 269b90106e3..9dcb20ed483 100644 --- a/src/bootstrap/defaults/bootstrap.compiler.toml +++ b/src/bootstrap/defaults/bootstrap.compiler.toml @@ -30,8 +30,6 @@ download-rustc = false # Having this set to true disrupts compiler development workflows for people who use `llvm.download-ci-llvm = true` # because we don't provide ci-llvm on the `rustc-alt-builds` server. Therefore, it is kept off by default. assertions = false -# Enable warnings during the LLVM compilation (when LLVM is changed, causing a compilation) -enable-warnings = true # Will download LLVM from CI if available on your platform. # If you intend to modify `src/llvm-project`, use `"if-unchanged"` or `false` instead. download-ci-llvm = true diff --git a/src/bootstrap/src/bin/rustc.rs b/src/bootstrap/src/bin/rustc.rs index d8cae02456c..374884d8a9a 100644 --- a/src/bootstrap/src/bin/rustc.rs +++ b/src/bootstrap/src/bin/rustc.rs @@ -58,8 +58,8 @@ fn main() { let sysroot = env::var_os("RUSTC_SYSROOT").expect("RUSTC_SYSROOT was not set"); let on_fail = env::var_os("RUSTC_ON_FAIL").map(Command::new); - let rustc_real = env::var_os(rustc).unwrap_or_else(|| panic!("{:?} was not set", rustc)); - let libdir = env::var_os(libdir).unwrap_or_else(|| panic!("{:?} was not set", libdir)); + let rustc_real = env::var_os(rustc).unwrap_or_else(|| panic!("{rustc:?} was not set")); + let libdir = env::var_os(libdir).unwrap_or_else(|| panic!("{libdir:?} was not set")); let mut dylib_path = dylib_path(); dylib_path.insert(0, PathBuf::from(&libdir)); @@ -342,7 +342,7 @@ 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/clean.rs b/src/bootstrap/src/core/build_steps/clean.rs index 21e9fea9363..882fcd08780 100644 --- a/src/bootstrap/src/core/build_steps/clean.rs +++ b/src/bootstrap/src/core/build_steps/clean.rs @@ -129,7 +129,7 @@ fn clean_specific_stage(build: &Build, stage: u32) { for entry in entries { let entry = t!(entry); - let stage_prefix = format!("stage{}", stage); + let stage_prefix = format!("stage{stage}"); // if current entry is not related with the target stage, continue if !entry.file_name().to_str().unwrap_or("").contains(&stage_prefix) { diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs index d3ab215d1b5..07fd51919d4 100644 --- a/src/bootstrap/src/core/build_steps/clippy.rs +++ b/src/bootstrap/src/core/build_steps/clippy.rs @@ -59,7 +59,7 @@ fn lint_args(builder: &Builder<'_>, config: &LintConfig, ignored_rules: &[&str]) let all_args = std::env::args().collect::<Vec<_>>(); args.extend(get_clippy_rules_in_order(&all_args, config)); - args.extend(ignored_rules.iter().map(|lint| format!("-Aclippy::{}", lint))); + args.extend(ignored_rules.iter().map(|lint| format!("-Aclippy::{lint}"))); args.extend(builder.config.free_args.clone()); args } diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 2e5865e5096..67daf81ee54 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1771,7 +1771,7 @@ impl Step for Sysroot { } else if builder.download_rustc() && compiler.stage != builder.top_stage { host_dir.join("ci-rustc-sysroot") } else { - host_dir.join(format!("stage{}", stage)) + host_dir.join(format!("stage{stage}")) } }; let sysroot = sysroot_dir(compiler.stage); diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 3c412683b94..aa2c7509c2a 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -1403,14 +1403,14 @@ impl Step for CodegenBackend { let backend = self.backend; let mut tarball = - Tarball::new(builder, &format!("rustc-codegen-{}", backend), &compiler.host.triple); + Tarball::new(builder, &format!("rustc-codegen-{backend}"), &compiler.host.triple); if backend == "cranelift" { tarball.set_overlay(OverlayKind::RustcCodegenCranelift); } else { - panic!("Unknown backend rustc_codegen_{}", backend); + panic!("Unknown backend rustc_codegen_{backend}"); } tarball.is_preview(true); - tarball.add_legal_and_readme_to(format!("share/doc/rustc_codegen_{}", backend)); + tarball.add_legal_and_readme_to(format!("share/doc/rustc_codegen_{backend}")); let src = builder.sysroot(compiler); let backends_src = builder.sysroot_codegen_backends(compiler); @@ -1422,7 +1422,7 @@ impl Step for CodegenBackend { // Don't use custom libdir here because ^lib/ will be resolved again with installer let backends_dst = PathBuf::from("lib").join(backends_rel); - let backend_name = format!("rustc_codegen_{}", backend); + let backend_name = format!("rustc_codegen_{backend}"); let mut found_backend = false; for backend in fs::read_dir(&backends_src).unwrap() { let file_name = backend.unwrap().file_name(); @@ -1623,7 +1623,7 @@ impl Step for Extended { let pkgbuild = |component: &str| { let mut cmd = command("pkgbuild"); cmd.arg("--identifier") - .arg(format!("org.rust-lang.{}", component)) + .arg(format!("org.rust-lang.{component}")) .arg("--scripts") .arg(pkg.join(component)) .arg("--nopayload") diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 93900a9043e..1c317ce4b86 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -58,7 +58,7 @@ fn rustfmt( fn get_rustfmt_version(build: &Builder<'_>) -> Option<(String, BuildStamp)> { let stamp_file = BuildStamp::new(&build.out).with_prefix("rustfmt"); - let mut cmd = command(build.initial_rustfmt()?); + let mut cmd = command(build.config.initial_rustfmt.as_ref()?); cmd.arg("--version"); let output = cmd.allow_failure().run_capture(build); @@ -243,7 +243,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { let override_ = override_builder.build().unwrap(); // `override` is a reserved keyword - let rustfmt_path = build.initial_rustfmt().unwrap_or_else(|| { + let rustfmt_path = build.config.initial_rustfmt.clone().unwrap_or_else(|| { eprintln!("fmt error: `x fmt` is not supported on this channel"); crate::exit!(1); }); diff --git a/src/bootstrap/src/core/build_steps/install.rs b/src/bootstrap/src/core/build_steps/install.rs index 3e5069225d2..c31c40e846b 100644 --- a/src/bootstrap/src/core/build_steps/install.rs +++ b/src/bootstrap/src/core/build_steps/install.rs @@ -53,7 +53,7 @@ fn is_dir_writable_for_user(dir: &Path) -> bool { if e.kind() == std::io::ErrorKind::PermissionDenied { false } else { - panic!("Failed the write access check for the current user. {}", e); + panic!("Failed the write access check for the current user. {e}"); } } } diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index 86af956535e..a3788197471 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -870,8 +870,8 @@ fn get_var(var_base: &str, host: &str, target: &str) -> Option<OsString> { let kind = if host == target { "HOST" } else { "TARGET" }; let target_u = target.replace('-', "_"); env::var_os(format!("{var_base}_{target}")) - .or_else(|| env::var_os(format!("{}_{}", var_base, target_u))) - .or_else(|| env::var_os(format!("{}_{}", kind, var_base))) + .or_else(|| env::var_os(format!("{var_base}_{target_u}"))) + .or_else(|| env::var_os(format!("{kind}_{var_base}"))) .or_else(|| env::var_os(var_base)) } @@ -944,7 +944,7 @@ impl Step for Enzyme { } trace!(?target, "(re)building enzyme artifacts"); - builder.info(&format!("Building Enzyme for {}", target)); + builder.info(&format!("Building Enzyme for {target}")); t!(stamp.remove()); let _time = helpers::timeit(builder); t!(fs::create_dir_all(&out_dir)); @@ -1229,10 +1229,9 @@ fn supported_sanitizers( components .iter() .map(move |c| SanitizerRuntime { - cmake_target: format!("clang_rt.{}_{}_dynamic", c, os), - path: out_dir - .join(format!("build/lib/darwin/libclang_rt.{}_{}_dynamic.dylib", c, os)), - name: format!("librustc-{}_rt.{}.dylib", channel, c), + cmake_target: format!("clang_rt.{c}_{os}_dynamic"), + path: out_dir.join(format!("build/lib/darwin/libclang_rt.{c}_{os}_dynamic.dylib")), + name: format!("librustc-{channel}_rt.{c}.dylib"), }) .collect() }; @@ -1241,9 +1240,9 @@ fn supported_sanitizers( components .iter() .map(move |c| SanitizerRuntime { - cmake_target: format!("clang_rt.{}-{}", c, arch), - path: out_dir.join(format!("build/lib/{}/libclang_rt.{}-{}.a", os, c, arch)), - name: format!("librustc-{}_rt.{}.a", channel, c), + cmake_target: format!("clang_rt.{c}-{arch}"), + path: out_dir.join(format!("build/lib/{os}/libclang_rt.{c}-{arch}.a")), + name: format!("librustc-{channel}_rt.{c}.a"), }) .collect() }; @@ -1362,8 +1361,8 @@ impl Step for CrtBeginEnd { for obj in objs { let base_name = unhashed_basename(&obj); assert!(base_name == "crtbegin" || base_name == "crtend"); - t!(fs::copy(&obj, out_dir.join(format!("{}S.o", base_name)))); - t!(fs::rename(&obj, out_dir.join(format!("{}.o", base_name)))); + t!(fs::copy(&obj, out_dir.join(format!("{base_name}S.o")))); + t!(fs::rename(&obj, out_dir.join(format!("{base_name}.o")))); } out_dir diff --git a/src/bootstrap/src/core/build_steps/setup.rs b/src/bootstrap/src/core/build_steps/setup.rs index 9d07babe519..31ec462134d 100644 --- a/src/bootstrap/src/core/build_steps/setup.rs +++ b/src/bootstrap/src/core/build_steps/setup.rs @@ -552,7 +552,7 @@ Select which editor you would like to set up [default: None]: "; let mut input = String::new(); loop { - print!("{}", prompt_str); + print!("{prompt_str}"); io::stdout().flush()?; io::stdin().read_line(&mut input)?; @@ -764,7 +764,7 @@ fn create_editor_settings_maybe(config: &Config, editor: &EditorKind) -> io::Res _ => "Created", }; fs::write(&settings_path, editor.settings_template())?; - println!("{verb} `{}`", settings_filename); + println!("{verb} `{settings_filename}`"); } else { println!("\n{}", editor.settings_template()); } diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 29fb576f574..27791825aa0 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1102,7 +1102,7 @@ impl Step for Tidy { if builder.config.channel == "dev" || builder.config.channel == "nightly" { if !builder.config.json_output { builder.info("fmt check"); - if builder.initial_rustfmt().is_none() { + if builder.config.initial_rustfmt.is_none() { let inferred_rustfmt_dir = builder.initial_sysroot.join("bin"); eprintln!( "\ @@ -1593,10 +1593,10 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the let build = builder.build.build; compiler = builder.compiler(compiler.stage - 1, build); let test_stage = compiler.stage + 1; - (test_stage, format!("stage{}-{}", test_stage, build)) + (test_stage, format!("stage{test_stage}-{build}")) } else { let stage = compiler.stage; - (stage, format!("stage{}-{}", stage, target)) + (stage, format!("stage{stage}-{target}")) }; if suite.ends_with("fulldeps") { @@ -3554,7 +3554,7 @@ 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 +3564,7 @@ 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 +3579,7 @@ 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..678aa9b01e4 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -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 d625c2ef584..e41f6f16b02 100644 --- a/src/bootstrap/src/core/builder/cargo.rs +++ b/src/bootstrap/src/core/builder/cargo.rs @@ -1278,5 +1278,5 @@ impl Builder<'_> { pub fn cargo_profile_var(name: &str, config: &Config) -> String { let profile = if config.rust_optimize.is_release() { "RELEASE" } else { "DEV" }; - format!("CARGO_PROFILE_{}_{}", profile, name) + format!("CARGO_PROFILE_{profile}_{name}") } diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs index 75cc5d3986b..af3e3cc37b9 100644 --- a/src/bootstrap/src/core/builder/mod.rs +++ b/src/bootstrap/src/core/builder/mod.rs @@ -504,8 +504,8 @@ impl StepDescription { match std::path::absolute(p) { Ok(p) => p.strip_prefix(&builder.src).unwrap_or(&p).to_path_buf(), Err(e) => { - eprintln!("ERROR: {:?}", e); - panic!("Due to the above error, failed to resolve path: {:?}", p); + eprintln!("ERROR: {e:?}"); + panic!("Due to the above error, failed to resolve path: {p:?}"); } } }) @@ -694,8 +694,7 @@ impl<'a> ShouldRun<'a> { if !submodules_paths.iter().any(|sm_p| p.contains(sm_p)) { assert!( self.builder.src.join(p).exists(), - "`should_run.paths` should correspond to real on-disk paths - use `alias` if there is no relevant path: {}", - p + "`should_run.paths` should correspond to real on-disk paths - use `alias` if there is no relevant path: {p}" ); } @@ -1389,7 +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/config/config.rs b/src/bootstrap/src/core/config/config.rs index 65a3e7667e7..3b8c3655b8d 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -3,7 +3,7 @@ //! This module implements parsing `bootstrap.toml` configuration files to tweak //! how the build runs. -use std::cell::{Cell, RefCell}; +use std::cell::Cell; use std::collections::{BTreeSet, HashMap, HashSet}; use std::fmt::{self, Display}; use std::hash::Hash; @@ -406,11 +406,7 @@ pub struct Config { pub initial_rustc: PathBuf, pub initial_cargo_clippy: Option<PathBuf>, pub initial_sysroot: PathBuf, - - #[cfg(not(test))] - initial_rustfmt: RefCell<RustfmtState>, - #[cfg(test)] - pub initial_rustfmt: RefCell<RustfmtState>, + pub initial_rustfmt: Option<PathBuf>, /// The paths to work with. For example: with `./x check foo bar` we get /// `paths=["foo", "bar"]`. @@ -428,15 +424,6 @@ pub struct Config { pub path_modification_cache: Arc<Mutex<HashMap<Vec<&'static str>, PathFreshness>>>, } -#[derive(Clone, Debug, Default)] -pub enum RustfmtState { - SystemToolchain(PathBuf), - Downloaded(PathBuf), - Unavailable, - #[default] - LazyEvaluated, -} - #[derive(Debug, Default, Clone, Copy, PartialEq, Eq)] pub enum LlvmLibunwind { #[default] @@ -2448,13 +2435,8 @@ impl Config { }); } - if let Some(r) = rustfmt { - *config.initial_rustfmt.borrow_mut() = if r.exists() { - RustfmtState::SystemToolchain(r) - } else { - RustfmtState::Unavailable - }; - } + config.initial_rustfmt = + if let Some(r) = rustfmt { Some(r) } else { config.maybe_download_rustfmt() }; // Now that we've reached the end of our configuration, infer the // default values for all options that we haven't otherwise stored yet. @@ -2851,25 +2833,6 @@ impl Config { .as_deref() } - pub(crate) fn initial_rustfmt(&self) -> Option<PathBuf> { - match &mut *self.initial_rustfmt.borrow_mut() { - RustfmtState::SystemToolchain(p) | RustfmtState::Downloaded(p) => Some(p.clone()), - RustfmtState::Unavailable => None, - r @ RustfmtState::LazyEvaluated => { - if self.dry_run() { - return Some(PathBuf::new()); - } - let path = self.maybe_download_rustfmt(); - *r = if let Some(p) = &path { - RustfmtState::Downloaded(p.clone()) - } else { - RustfmtState::Unavailable - }; - path - } - } - } - /// Runs a function if verbosity is greater than 0 pub fn verbose(&self, f: impl Fn()) { if self.is_verbose() { @@ -3042,7 +3005,7 @@ impl Config { let actual_hash = recorded .split_whitespace() .nth(2) - .unwrap_or_else(|| panic!("unexpected output `{}`", recorded)); + .unwrap_or_else(|| panic!("unexpected output `{recorded}`")); if actual_hash == checked_out_hash { // already checked out @@ -3297,7 +3260,7 @@ impl Config { } StringOrBool::String(s) if s == "if-unchanged" => if_unchanged(), StringOrBool::String(other) => { - panic!("unrecognized option for download-ci-llvm: {:?}", other) + panic!("unrecognized option for download-ci-llvm: {other:?}") } } } diff --git a/src/bootstrap/src/core/download.rs b/src/bootstrap/src/core/download.rs index b95d07356c1..e0c9877cd55 100644 --- a/src/bootstrap/src/core/download.rs +++ b/src/bootstrap/src/core/download.rs @@ -57,7 +57,7 @@ impl Config { if self.dry_run() { return; } - fs::remove_file(f).unwrap_or_else(|_| panic!("failed to remove {:?}", f)); + fs::remove_file(f).unwrap_or_else(|_| panic!("failed to remove {f:?}")); } /// Create a temporary directory in `out` and return its path. @@ -112,7 +112,7 @@ impl Config { // The latter one does not exist on NixOS when using tmpfs as root. let is_nixos = match File::open("/etc/os-release") { Err(e) if e.kind() == ErrorKind::NotFound => false, - Err(e) => panic!("failed to access /etc/os-release: {}", e), + Err(e) => panic!("failed to access /etc/os-release: {e}"), Ok(os_release) => BufReader::new(os_release).lines().any(|l| { let l = l.expect("reading /etc/os-release"); matches!(l.trim(), "ID=nixos" | "ID='nixos'" | "ID=\"nixos\"") @@ -446,7 +446,7 @@ impl Config { #[cfg(test)] pub(crate) fn maybe_download_rustfmt(&self) -> Option<PathBuf> { - None + Some(PathBuf::new()) } /// NOTE: rustfmt is a completely different toolchain than the bootstrap compiler, so it can't @@ -455,6 +455,10 @@ impl Config { pub(crate) fn maybe_download_rustfmt(&self) -> Option<PathBuf> { use build_helper::stage0_parser::VersionMetadata; + if self.dry_run() { + return Some(PathBuf::new()); + } + let VersionMetadata { date, version } = self.stage0_metadata.rustfmt.as_ref()?; let channel = format!("{version}-{date}"); @@ -852,7 +856,8 @@ download-rustc = false t!(fs::create_dir_all(&gcc_cache)); } let base = &self.stage0_metadata.config.artifacts_server; - let filename = format!("gcc-nightly-{}.tar.xz", self.build.triple); + let version = self.artifact_version_part(gcc_sha); + let filename = format!("gcc-{version}-{}.tar.xz", self.build.triple); let tarball = gcc_cache.join(&filename); if !tarball.exists() { let help_on_error = "ERROR: failed to download gcc from ci diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index eb0bf1d166a..eb7e3799a68 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -34,7 +34,6 @@ pub struct Finder { // Targets can be removed from this list once they are present in the stage0 compiler (usually by updating the beta compiler of the bootstrap). const STAGE0_MISSING_TARGETS: &[&str] = &[ // just a dummy comment so the list doesn't get onelined - "x86_64-lynx-lynxos178", ]; /// Minimum version threshold for libstdc++ required when using prebuilt LLVM @@ -118,8 +117,8 @@ pub fn check(build: &mut Build) { eprintln!( "\nYour system's libstdc++ version is too old for the `llvm.download-ci-llvm` option." ); - eprintln!("Current version detected: '{}'", version); - eprintln!("Minimum required version: '{}'", LIBSTDCXX_MIN_VERSION_THRESHOLD); + eprintln!("Current version detected: '{version}'"); + eprintln!("Minimum required version: '{LIBSTDCXX_MIN_VERSION_THRESHOLD}'"); eprintln!( "Consider upgrading libstdc++ or disabling the `llvm.download-ci-llvm` option." ); diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 1e6acad5c0f..9492ffaed75 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -325,7 +325,6 @@ forward! { tempdir() -> PathBuf, llvm_link_shared() -> bool, download_rustc() -> bool, - initial_rustfmt() -> Option<PathBuf>, } impl Build { @@ -614,10 +613,6 @@ impl Build { crate::utils::job::setup(self); } - // Download rustfmt early so that it can be used in rust-analyzer configs. - trace!("downloading rustfmt early"); - let _ = &builder::Builder::new(self).initial_rustfmt(); - // Handle hard-coded subcommands. { #[cfg(feature = "tracing")] diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index b31b2757767..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. @@ -329,7 +329,7 @@ pub fn start_process(cmd: &mut Command) -> impl FnOnce() -> String + use<> { Err(e) => fail(&format!("failed to execute command: {cmd:?}\nERROR: {e}")), }; - let command = format!("{:?}", cmd); + let command = format!("{cmd:?}"); move || { let output = child.wait_with_output().unwrap(); @@ -540,7 +540,7 @@ where use std::fmt::Write; input.as_ref().iter().fold(String::with_capacity(input.as_ref().len() * 2), |mut acc, &byte| { - write!(&mut acc, "{:02x}", byte).expect("Failed to write byte to the hex String."); + write!(&mut acc, "{byte:02x}").expect("Failed to write byte to the hex String."); acc }) } 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 7b206c3ffe8..08e1c21e58e 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" @@ -90,7 +90,7 @@ pub fn maybe_dump(dump_name: String, cmd: &Command) { let mut file = OpenOptions::new().create(true).append(true).open(dump_file).unwrap(); - let cmd_dump = format!("{:?}\n", cmd); + let cmd_dump = format!("{cmd:?}\n"); let cmd_dump = cmd_dump.replace(&env::var("BUILD_OUT").unwrap(), "${BUILD_OUT}"); let cmd_dump = cmd_dump.replace(&env::var("CARGO_HOME").unwrap(), "${CARGO_HOME}"); diff --git a/src/ci/cpu-usage-over-time.py b/src/ci/cpu-usage-over-time.py index 3d9dc86734f..19a39f34953 100755 --- a/src/ci/cpu-usage-over-time.py +++ b/src/ci/cpu-usage-over-time.py @@ -170,7 +170,7 @@ print("Time,Idle") while True: time.sleep(1) next_state = State() - now = datetime.datetime.utcnow().isoformat() + now = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None).isoformat() idle = next_state.idle_since(cur_state) print("%s,%s" % (now, idle)) sys.stdout.flush() diff --git a/src/ci/docker/host-x86_64/dist-ohos/Dockerfile b/src/ci/docker/host-x86_64/dist-ohos-aarch64/Dockerfile index 2c514fa0d4d..adeaf809f42 100644 --- a/src/ci/docker/host-x86_64/dist-ohos/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-ohos-aarch64/Dockerfile @@ -27,36 +27,18 @@ RUN sh /scripts/ohos-openssl.sh COPY scripts/ohos/aarch64-unknown-linux-ohos-clang.sh /usr/local/bin/ COPY scripts/ohos/aarch64-unknown-linux-ohos-clang++.sh /usr/local/bin/ -COPY scripts/ohos/armv7-unknown-linux-ohos-clang.sh /usr/local/bin/ -COPY scripts/ohos/armv7-unknown-linux-ohos-clang++.sh /usr/local/bin/ -COPY scripts/ohos/x86_64-unknown-linux-ohos-clang.sh /usr/local/bin/ -COPY scripts/ohos/x86_64-unknown-linux-ohos-clang++.sh /usr/local/bin/ # env ENV AARCH64_UNKNOWN_LINUX_OHOS_OPENSSL_DIR=/opt/ohos-openssl/prelude/arm64-v8a -ENV ARMV7_UNKNOWN_LINUX_OHOS_OPENSSL_DIR=/opt/ohos-openssl/prelude/armeabi-v7a -ENV X86_64_UNKNOWN_LINUX_OHOS_OPENSSL_DIR=/opt/ohos-openssl/prelude/x86_64 ENV AARCH64_UNKNOWN_LINUX_OHOS_OPENSSL_NO_VENDOR=1 -ENV ARMV7_UNKNOWN_LINUX_OHOS_OPENSSL_NO_VENDOR=1 -ENV X86_64_UNKNOWN_LINUX_OHOS_OPENSSL_NO_VENDOR=1 ENV TARGETS=aarch64-unknown-linux-ohos -ENV TARGETS=$TARGETS,armv7-unknown-linux-ohos -ENV TARGETS=$TARGETS,x86_64-unknown-linux-ohos ENV \ CC_aarch64_unknown_linux_ohos=/usr/local/bin/aarch64-unknown-linux-ohos-clang.sh \ AR_aarch64_unknown_linux_ohos=/opt/ohos-sdk/native/llvm/bin/llvm-ar \ CXX_aarch64_unknown_linux_ohos=/usr/local/bin/aarch64-unknown-linux-ohos-clang++.sh -ENV \ - CC_armv7_unknown_linux_ohos=/usr/local/bin/armv7-unknown-linux-ohos-clang.sh \ - AR_armv7_unknown_linux_ohos=/opt/ohos-sdk/native/llvm/bin/llvm-ar \ - CXX_armv7_unknown_linux_ohos=/usr/local/bin/armv7-unknown-linux-ohos-clang++.sh -ENV \ - CC_x86_64_unknown_linux_ohos=/usr/local/bin/x86_64-unknown-linux-ohos-clang.sh \ - AR_x86_64_unknown_linux_ohos=/opt/ohos-sdk/native/llvm/bin/llvm-ar \ - CXX_x86_64_unknown_linux_ohos=/usr/local/bin/x86_64-unknown-linux-ohos-clang++.sh ENV RUST_CONFIGURE_ARGS \ --enable-profiler \ diff --git a/src/ci/docker/host-x86_64/dist-ohos-armv7/Dockerfile b/src/ci/docker/host-x86_64/dist-ohos-armv7/Dockerfile new file mode 100644 index 00000000000..2a23d8aec23 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-ohos-armv7/Dockerfile @@ -0,0 +1,53 @@ +FROM ubuntu:24.04 + +ARG DEBIAN_FRONTEND=noninteractive +RUN apt-get update && apt-get install -y --no-install-recommends \ + g++ \ + make \ + ninja-build \ + file \ + curl \ + ca-certificates \ + python3 \ + git \ + cmake \ + sudo \ + gdb \ + libssl-dev \ + pkg-config \ + xz-utils \ + unzip \ + && rm -rf /var/lib/apt/lists/* + +COPY scripts/ohos-sdk.sh /scripts/ +RUN sh /scripts/ohos-sdk.sh + +COPY scripts/ohos-openssl.sh /scripts/ +RUN sh /scripts/ohos-openssl.sh + +COPY scripts/ohos/armv7-unknown-linux-ohos-clang.sh /usr/local/bin/ +COPY scripts/ohos/armv7-unknown-linux-ohos-clang++.sh /usr/local/bin/ + +# env +ENV ARMV7_UNKNOWN_LINUX_OHOS_OPENSSL_DIR=/opt/ohos-openssl/prelude/armeabi-v7a + +ENV ARMV7_UNKNOWN_LINUX_OHOS_OPENSSL_NO_VENDOR=1 + +ENV TARGETS=armv7-unknown-linux-ohos + +ENV \ + CC_armv7_unknown_linux_ohos=/usr/local/bin/armv7-unknown-linux-ohos-clang.sh \ + AR_armv7_unknown_linux_ohos=/opt/ohos-sdk/native/llvm/bin/llvm-ar \ + CXX_armv7_unknown_linux_ohos=/usr/local/bin/armv7-unknown-linux-ohos-clang++.sh + +ENV RUST_CONFIGURE_ARGS \ + --enable-profiler \ + --disable-docs \ + --tools=cargo,clippy,rustdocs,rustfmt,rust-analyzer,rust-analyzer-proc-macro-srv,analysis,src,wasm-component-ld \ + --enable-extended \ + --enable-sanitizers + +ENV SCRIPT python3 ../x.py dist --host=$TARGETS --target $TARGETS + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh diff --git a/src/ci/docker/host-x86_64/dist-ohos-x86_64/Dockerfile b/src/ci/docker/host-x86_64/dist-ohos-x86_64/Dockerfile new file mode 100644 index 00000000000..98e402adf2a --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-ohos-x86_64/Dockerfile @@ -0,0 +1,53 @@ +FROM ubuntu:24.04 + +ARG DEBIAN_FRONTEND=noninteractive +RUN apt-get update && apt-get install -y --no-install-recommends \ + g++ \ + make \ + ninja-build \ + file \ + curl \ + ca-certificates \ + python3 \ + git \ + cmake \ + sudo \ + gdb \ + libssl-dev \ + pkg-config \ + xz-utils \ + unzip \ + && rm -rf /var/lib/apt/lists/* + +COPY scripts/ohos-sdk.sh /scripts/ +RUN sh /scripts/ohos-sdk.sh + +COPY scripts/ohos-openssl.sh /scripts/ +RUN sh /scripts/ohos-openssl.sh + +COPY scripts/ohos/x86_64-unknown-linux-ohos-clang.sh /usr/local/bin/ +COPY scripts/ohos/x86_64-unknown-linux-ohos-clang++.sh /usr/local/bin/ + +# env +ENV X86_64_UNKNOWN_LINUX_OHOS_OPENSSL_DIR=/opt/ohos-openssl/prelude/x86_64 + +ENV X86_64_UNKNOWN_LINUX_OHOS_OPENSSL_NO_VENDOR=1 + +ENV TARGETS=x86_64-unknown-linux-ohos + +ENV \ + CC_x86_64_unknown_linux_ohos=/usr/local/bin/x86_64-unknown-linux-ohos-clang.sh \ + AR_x86_64_unknown_linux_ohos=/opt/ohos-sdk/native/llvm/bin/llvm-ar \ + CXX_x86_64_unknown_linux_ohos=/usr/local/bin/x86_64-unknown-linux-ohos-clang++.sh + +ENV RUST_CONFIGURE_ARGS \ + --enable-profiler \ + --disable-docs \ + --tools=cargo,clippy,rustdocs,rustfmt,rust-analyzer,rust-analyzer-proc-macro-srv,analysis,src,wasm-component-ld \ + --enable-extended \ + --enable-sanitizers + +ENV SCRIPT python3 ../x.py dist --host=$TARGETS --target $TARGETS + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh index 28c035daa5d..9222710b843 100755 --- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh +++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh @@ -40,6 +40,14 @@ if [ -z "${PR_CI_JOB:-}" ]; then else python3 "$X_PY" test --stage 2 src/tools/miri src/tools/miri/cargo-miri fi +# We re-run the test suite for a chance to find bugs in the intrinsic fallback bodies and in MIR +# optimizations. This can miss UB, so we only run the "pass" tests. We need to enable debug +# assertions as `-O` disables them but some tests rely on them. We also set a cfg flag so tests can +# adjust their expectations if needed. This can change the output of the tests so we ignore that, +# we only ensure that all assertions still pass. +MIRIFLAGS="-Zmiri-force-intrinsic-fallback --cfg force_intrinsic_fallback -O -Zmir-opt-level=4 -Cdebug-assertions=yes" \ + MIRI_SKIP_UI_CHECKS=1 \ + python3 "$X_PY" test --stage 2 src/tools/miri -- tests/pass tests/panic # We natively run this script on x86_64-unknown-linux-gnu and x86_64-pc-windows-msvc. # Also cover some other targets via cross-testing, in particular all tier 1 targets. case $HOST_TARGET in diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index afcc092e78e..42ad5acbdac 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -35,6 +35,8 @@ runners: os: windows-2022 <<: *base-job + # FIXME(#141022): Windows Server 2025 20250504.1.0 currently experiences + # insufficient disk space. - &job-windows-25 os: windows-2025 <<: *base-job @@ -186,8 +188,14 @@ auto: - name: dist-loongarch64-musl <<: *job-linux-4c - - name: dist-ohos - <<: *job-linux-4c-largedisk + - name: dist-ohos-aarch64 + <<: *job-linux-4c + + - name: dist-ohos-armv7 + <<: *job-linux-4c + + - name: dist-ohos-x86_64 + <<: *job-linux-4c - name: dist-powerpc-linux <<: *job-linux-4c @@ -476,13 +484,17 @@ auto: env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-sanitizers --enable-profiler SCRIPT: make ci-msvc-py - <<: *job-windows-25 + # FIXME(#141022): Windows Server 2025 20250504.1.0 currently experiences + # insufficient disk space. + <<: *job-windows - name: x86_64-msvc-2 env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-sanitizers --enable-profiler SCRIPT: make ci-msvc-ps1 - <<: *job-windows-25 + # FIXME(#141022): Windows Server 2025 20250504.1.0 currently experiences + # insufficient disk space. + <<: *job-windows # i686-msvc is split into two jobs to run tests in parallel. - name: i686-msvc-1 diff --git a/src/doc/edition-guide b/src/doc/edition-guide -Subproject 467f45637b73ec6aa70fb36bc3054bb50b8967e +Subproject 1b1bb49babd65c732468cfa515b0c009bd1d26b diff --git a/src/doc/rustc-dev-guide/README.md b/src/doc/rustc-dev-guide/README.md index 08158801788..0425c15f83c 100644 --- a/src/doc/rustc-dev-guide/README.md +++ b/src/doc/rustc-dev-guide/README.md @@ -91,6 +91,16 @@ Older versions of `josh-proxy` may not round trip commits losslessly so it is im 3) Push the branch to your fork and create a PR into `rustc-dev-guide` ### Push changes from this repository into `rust-lang/rust` + +NOTE: If you use Git protocol to push to your fork of `rust-lang/rust`, +ensure that you have this entry in your Git config, +else the 2 steps that follow would prompt for a username and password: + +``` +[url "git@github.com:"] +insteadOf = "https://github.com/" +``` + 1) Run the push command to create a branch named `<branch-name>` in a `rustc` fork under the `<gh-username>` account ``` cargo run --manifest-path josh-sync/Cargo.toml rustc-push <branch-name> <gh-username> diff --git a/src/doc/rustc-dev-guide/ci/date-check/Cargo.lock b/src/doc/rustc-dev-guide/ci/date-check/Cargo.lock index 6326b2daf12..7107547332f 100644 --- a/src/doc/rustc-dev-guide/ci/date-check/Cargo.lock +++ b/src/doc/rustc-dev-guide/ci/date-check/Cargo.lock @@ -1,6 +1,6 @@ # This file is automatically @generated by Cargo. # It is not intended for manual editing. -version = 3 +version = 4 [[package]] name = "aho-corasick" @@ -28,21 +28,24 @@ dependencies = [ [[package]] name = "autocfg" -version = "1.3.0" +version = "1.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0" +checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26" [[package]] name = "bumpalo" -version = "3.16.0" +version = "3.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c" +checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf" [[package]] name = "cc" -version = "1.0.106" +version = "1.2.22" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "066fce287b1d4eafef758e89e09d724a24808a9196fe9756b8ca90e86d0719a2" +checksum = "32db95edf998450acc7881c932f94cd9b05c87b4b2599e8bab064753da4acfd1" +dependencies = [ + "shlex", +] [[package]] name = "cfg-if" @@ -52,27 +55,27 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" [[package]] name = "chrono" -version = "0.4.38" +version = "0.4.41" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401" +checksum = "c469d952047f47f91b68d1cba3f10d63c11d73e4636f24f08daf0278abf01c4d" dependencies = [ "android-tzdata", "iana-time-zone", "js-sys", "num-traits", "wasm-bindgen", - "windows-targets", + "windows-link", ] [[package]] name = "core-foundation-sys" -version = "0.8.6" +version = "0.8.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f" +checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b" [[package]] name = "date-check" -version = "0.1.0" +version = "0.0.0" dependencies = [ "chrono", "glob", @@ -81,20 +84,21 @@ dependencies = [ [[package]] name = "glob" -version = "0.3.1" +version = "0.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b" +checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2" [[package]] name = "iana-time-zone" -version = "0.1.60" +version = "0.1.63" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e7ffbb5a1b541ea2561f8c41c087286cc091e21e556a4f09a8f6cbf17b69b141" +checksum = "b0c919e5debc312ad217002b8048a17b7d83f80703865bbfcfebb0458b0b27d8" dependencies = [ "android_system_properties", "core-foundation-sys", "iana-time-zone-haiku", "js-sys", + "log", "wasm-bindgen", "windows-core", ] @@ -110,24 +114,25 @@ dependencies = [ [[package]] name = "js-sys" -version = "0.3.69" +version = "0.3.77" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "29c15563dc2726973df627357ce0c9ddddbea194836909d655df6a75d2cf296d" +checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f" dependencies = [ + "once_cell", "wasm-bindgen", ] [[package]] name = "libc" -version = "0.2.155" +version = "0.2.172" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c" +checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa" [[package]] name = "log" -version = "0.4.22" +version = "0.4.27" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24" +checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94" [[package]] name = "memchr" @@ -146,33 +151,33 @@ dependencies = [ [[package]] name = "once_cell" -version = "1.19.0" +version = "1.21.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92" +checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d" [[package]] name = "proc-macro2" -version = "1.0.86" +version = "1.0.95" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77" +checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778" dependencies = [ "unicode-ident", ] [[package]] name = "quote" -version = "1.0.36" +version = "1.0.40" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7" +checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d" dependencies = [ "proc-macro2", ] [[package]] name = "regex" -version = "1.10.5" +version = "1.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b91213439dad192326a0d7c6ee3955910425f441d7038e0d6933b0aec5c4517f" +checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191" dependencies = [ "aho-corasick", "memchr", @@ -182,9 +187,9 @@ dependencies = [ [[package]] name = "regex-automata" -version = "0.4.7" +version = "0.4.9" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df" +checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908" dependencies = [ "aho-corasick", "memchr", @@ -193,15 +198,27 @@ dependencies = [ [[package]] name = "regex-syntax" -version = "0.8.4" +version = "0.8.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b" +checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" + +[[package]] +name = "rustversion" +version = "1.0.20" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2" + +[[package]] +name = "shlex" +version = "1.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" [[package]] name = "syn" -version = "2.0.70" +version = "2.0.101" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2f0209b68b3613b093e0ec905354eccaedcfe83b8cb37cbdeae64026c3064c16" +checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf" dependencies = [ "proc-macro2", "quote", @@ -210,29 +227,30 @@ dependencies = [ [[package]] name = "unicode-ident" -version = "1.0.12" +version = "1.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" +checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512" [[package]] name = "wasm-bindgen" -version = "0.2.92" +version = "0.2.100" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4be2531df63900aeb2bca0daaaddec08491ee64ceecbee5076636a3b026795a8" +checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5" dependencies = [ "cfg-if", + "once_cell", + "rustversion", "wasm-bindgen-macro", ] [[package]] name = "wasm-bindgen-backend" -version = "0.2.92" +version = "0.2.100" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "614d787b966d3989fa7bb98a654e369c762374fd3213d212cfc0251257e747da" +checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6" dependencies = [ "bumpalo", "log", - "once_cell", "proc-macro2", "quote", "syn", @@ -241,9 +259,9 @@ dependencies = [ [[package]] name = "wasm-bindgen-macro" -version = "0.2.92" +version = "0.2.100" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a1f8823de937b71b9460c0c34e25f3da88250760bec0ebac694b49997550d726" +checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407" dependencies = [ "quote", "wasm-bindgen-macro-support", @@ -251,9 +269,9 @@ dependencies = [ [[package]] name = "wasm-bindgen-macro-support" -version = "0.2.92" +version = "0.2.100" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7" +checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de" dependencies = [ "proc-macro2", "quote", @@ -264,79 +282,68 @@ dependencies = [ [[package]] name = "wasm-bindgen-shared" -version = "0.2.92" +version = "0.2.100" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96" +checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d" +dependencies = [ + "unicode-ident", +] [[package]] name = "windows-core" -version = "0.52.0" +version = "0.61.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9" +checksum = "4763c1de310c86d75a878046489e2e5ba02c649d185f21c67d4cf8a56d098980" dependencies = [ - "windows-targets", + "windows-implement", + "windows-interface", + "windows-link", + "windows-result", + "windows-strings", ] [[package]] -name = "windows-targets" -version = "0.52.6" +name = "windows-implement" +version = "0.60.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973" +checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836" dependencies = [ - "windows_aarch64_gnullvm", - "windows_aarch64_msvc", - "windows_i686_gnu", - "windows_i686_gnullvm", - "windows_i686_msvc", - "windows_x86_64_gnu", - "windows_x86_64_gnullvm", - "windows_x86_64_msvc", + "proc-macro2", + "quote", + "syn", ] [[package]] -name = "windows_aarch64_gnullvm" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3" - -[[package]] -name = "windows_aarch64_msvc" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469" - -[[package]] -name = "windows_i686_gnu" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b" - -[[package]] -name = "windows_i686_gnullvm" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66" - -[[package]] -name = "windows_i686_msvc" -version = "0.52.6" +name = "windows-interface" +version = "0.59.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66" +checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] [[package]] -name = "windows_x86_64_gnu" -version = "0.52.6" +name = "windows-link" +version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78" +checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38" [[package]] -name = "windows_x86_64_gnullvm" -version = "0.52.6" +name = "windows-result" +version = "0.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d" +checksum = "c64fd11a4fd95df68efcfee5f44a294fe71b8bc6a91993e2791938abcc712252" +dependencies = [ + "windows-link", +] [[package]] -name = "windows_x86_64_msvc" -version = "0.52.6" +name = "windows-strings" +version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" +checksum = "7a2ba9642430ee452d5a7aa78d72907ebe8cfda358e8cb7918a2050581322f97" +dependencies = [ + "windows-link", +] diff --git a/src/doc/rustc-dev-guide/ci/date-check/Cargo.toml b/src/doc/rustc-dev-guide/ci/date-check/Cargo.toml index 472529511d0..f49e6d0db94 100644 --- a/src/doc/rustc-dev-guide/ci/date-check/Cargo.toml +++ b/src/doc/rustc-dev-guide/ci/date-check/Cargo.toml @@ -1,10 +1,6 @@ [package] name = "date-check" -version = "0.1.0" -authors = ["Noah Lev <camelidcamel@gmail.com>"] -edition = "2021" - -# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html +edition = "2024" [dependencies] glob = "0.3" diff --git a/src/doc/rustc-dev-guide/ci/date-check/src/main.rs b/src/doc/rustc-dev-guide/ci/date-check/src/main.rs index 9af69dbbf3f..0a32f4e9b7b 100644 --- a/src/doc/rustc-dev-guide/ci/date-check/src/main.rs +++ b/src/doc/rustc-dev-guide/ci/date-check/src/main.rs @@ -114,7 +114,7 @@ fn filter_dates( fn main() { let mut args = env::args(); if args.len() == 1 { - eprintln!("error: expected root Markdown directory as CLI argument"); + eprintln!("error: expected root of Markdown directory as CLI argument"); process::exit(1); } let root_dir = args.nth(1).unwrap(); diff --git a/src/doc/rustc-dev-guide/josh-sync/Cargo.lock b/src/doc/rustc-dev-guide/josh-sync/Cargo.lock index 844518628c4..a8183a740db 100644 --- a/src/doc/rustc-dev-guide/josh-sync/Cargo.lock +++ b/src/doc/rustc-dev-guide/josh-sync/Cargo.lock @@ -161,7 +161,7 @@ checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf" [[package]] name = "josh-sync" -version = "0.1.0" +version = "0.0.0" dependencies = [ "anyhow", "clap", diff --git a/src/doc/rustc-dev-guide/josh-sync/Cargo.toml b/src/doc/rustc-dev-guide/josh-sync/Cargo.toml index 81d0d1ebd22..1f8bf2a0093 100644 --- a/src/doc/rustc-dev-guide/josh-sync/Cargo.toml +++ b/src/doc/rustc-dev-guide/josh-sync/Cargo.toml @@ -1,7 +1,6 @@ [package] name = "josh-sync" -version = "0.1.0" -edition = "2021" +edition = "2024" [dependencies] anyhow = "1.0.95" diff --git a/src/doc/rustc-dev-guide/josh-sync/src/main.rs b/src/doc/rustc-dev-guide/josh-sync/src/main.rs index 175f016f739..aeedee5be22 100644 --- a/src/doc/rustc-dev-guide/josh-sync/src/main.rs +++ b/src/doc/rustc-dev-guide/josh-sync/src/main.rs @@ -1,4 +1,5 @@ use clap::Parser; + use crate::sync::{GitSync, RustcPullError}; mod sync; @@ -11,10 +12,7 @@ enum Args { /// Push changes from `rustc-dev-guide` to the given `branch` of a `rustc` fork under the given /// GitHub `username`. /// The pushed branch should then be merged into the `rustc` repository. - RustcPush { - branch: String, - github_username: String - } + RustcPush { branch: String, github_username: String }, } fn main() -> anyhow::Result<()> { diff --git a/src/doc/rustc-dev-guide/josh-sync/src/sync.rs b/src/doc/rustc-dev-guide/josh-sync/src/sync.rs index 41d96397faa..ed38d1403a0 100644 --- a/src/doc/rustc-dev-guide/josh-sync/src/sync.rs +++ b/src/doc/rustc-dev-guide/josh-sync/src/sync.rs @@ -1,10 +1,11 @@ +use std::io::Write; use std::ops::Not; use std::path::PathBuf; -use std::{env, net, process}; -use std::io::Write; use std::time::Duration; -use anyhow::{anyhow, bail, Context}; -use xshell::{cmd, Shell}; +use std::{env, net, process}; + +use anyhow::{Context, anyhow, bail}; +use xshell::{Shell, cmd}; /// Used for rustc syncs. const JOSH_FILTER: &str = ":/src/doc/rustc-dev-guide"; @@ -15,10 +16,13 @@ pub enum RustcPullError { /// No changes are available to be pulled. NothingToPull, /// A rustc-pull has failed, probably a git operation error has occurred. - PullFailed(anyhow::Error) + PullFailed(anyhow::Error), } -impl<E> From<E> for RustcPullError where E: Into<anyhow::Error> { +impl<E> From<E> for RustcPullError +where + E: Into<anyhow::Error>, +{ fn from(error: E) -> Self { Self::PullFailed(error.into()) } @@ -32,9 +36,7 @@ pub struct GitSync { /// (https://github.com/rust-lang/miri/blob/6a68a79f38064c3bc30617cca4bdbfb2c336b140/miri-script/src/commands.rs#L236). impl GitSync { pub fn from_current_dir() -> anyhow::Result<Self> { - Ok(Self { - dir: std::env::current_dir()? - }) + Ok(Self { dir: std::env::current_dir()? }) } pub fn rustc_pull(&self, commit: Option<String>) -> Result<(), RustcPullError> { @@ -51,7 +53,10 @@ impl GitSync { })?; // Make sure the repo is clean. if cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty().not() { - return Err(anyhow::anyhow!("working directory must be clean before performing rustc pull").into()); + return Err(anyhow::anyhow!( + "working directory must be clean before performing rustc pull" + ) + .into()); } // Make sure josh is running. let josh = Self::start_josh()?; @@ -94,7 +99,8 @@ impl GitSync { }; let num_roots_before = num_roots()?; - let sha = cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; + let sha = + cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; // Merge the fetched commit. const MERGE_COMMIT_MESSAGE: &str = "Merge from rustc"; @@ -102,18 +108,24 @@ impl GitSync { .run() .context("FAILED to merge new commits, something went wrong")?; - let current_sha = cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; + let current_sha = + cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; if current_sha == sha { cmd!(sh, "git reset --hard HEAD^") .run() .expect("FAILED to clean up after creating the preparation commit"); - eprintln!("No merge was performed, no changes to pull were found. Rolled back the preparation commit."); + eprintln!( + "No merge was performed, no changes to pull were found. Rolled back the preparation commit." + ); return Err(RustcPullError::NothingToPull); } // Check that the number of roots did not increase. if num_roots()? != num_roots_before { - return Err(anyhow::anyhow!("Josh created a new root commit. This is probably not the history you want.").into()); + return Err(anyhow::anyhow!( + "Josh created a new root commit. This is probably not the history you want." + ) + .into()); } drop(josh); diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version index 66b4fe2bf3b..5e4266f61da 100644 --- a/src/doc/rustc-dev-guide/rust-version +++ b/src/doc/rustc-dev-guide/rust-version @@ -1 +1 @@ -0c33fe2c3d3eecadd17a84b110bb067288a64f1c +414482f6a0d4e7290f614300581a0b55442552a3 diff --git a/src/doc/rustc-dev-guide/src/autodiff/installation.md b/src/doc/rustc-dev-guide/src/autodiff/installation.md index f3c11395523..c9b28dc43a6 100644 --- a/src/doc/rustc-dev-guide/src/autodiff/installation.md +++ b/src/doc/rustc-dev-guide/src/autodiff/installation.md @@ -1,6 +1,6 @@ # Installation -In the near future, `std::autodiff` should become available in nightly builds for users. As a contribute however, you will still need to build rustc from source. Please be aware that the msvc target is not supported at the moment, all other tier 1 targets should work. Please open an issue if you encounter any problems on a supported tier 1 target, or if you succesfully build this project on a tier2/tier3 target. +In the near future, `std::autodiff` should become available in nightly builds for users. As a contributor however, you will still need to build rustc from source. Please be aware that the msvc target is not supported at the moment, all other tier 1 targets should work. Please open an issue if you encounter any problems on a supported tier 1 target, or if you successfully build this project on a tier2/tier3 target. ## Build instructions diff --git a/src/doc/rustc-dev-guide/src/bug-fix-procedure.md b/src/doc/rustc-dev-guide/src/bug-fix-procedure.md index 8e6725c54ef..55436261fde 100644 --- a/src/doc/rustc-dev-guide/src/bug-fix-procedure.md +++ b/src/doc/rustc-dev-guide/src/bug-fix-procedure.md @@ -80,41 +80,11 @@ approachable and practical; it may make sense to direct users to an RFC or some other issue for the full details. The issue also serves as a place where users can comment with questions or other concerns. -A template for these breaking-change tracking issues can be found below. An -example of how such an issue should look can be [found +A template for these breaking-change tracking issues can be found +[here][template]. An example of how such an issue should look can be [found here][breaking-change-issue]. -The issue should be tagged with (at least) `B-unstable` and `T-compiler`. - -### Tracking issue template - -This is a template to use for tracking issues: - -``` -This is the **summary issue** for the `YOUR_LINT_NAME_HERE` -future-compatibility warning and other related errors. The goal of -this page is describe why this change was made and how you can fix -code that is affected by it. It also provides a place to ask questions -or register a complaint if you feel the change should not be made. For -more information on the policy around future-compatibility warnings, -see our [breaking change policy guidelines][guidelines]. - -[guidelines]: LINK_TO_THIS_RFC - -#### What is the warning for? - -*Describe the conditions that trigger the warning and how they can be -fixed. Also explain why the change was made.** - -#### When will this warning become a hard error? - -At the beginning of each 6-week release cycle, the Rust compiler team -will review the set of outstanding future compatibility warnings and -nominate some of them for **Final Comment Period**. Toward the end of -the cycle, we will review any comments and make a final determination -whether to convert the warning into a hard error or remove it -entirely. -``` +[template]: https://github.com/rust-lang/rust/issues/new?template=tracking_issue_future.md ### Issuing future compatibility warnings diff --git a/src/doc/rustc-dev-guide/src/macro-expansion.md b/src/doc/rustc-dev-guide/src/macro-expansion.md index ebab56ad20a..a90f717004f 100644 --- a/src/doc/rustc-dev-guide/src/macro-expansion.md +++ b/src/doc/rustc-dev-guide/src/macro-expansion.md @@ -2,9 +2,6 @@ <!-- toc --> -> N.B. [`rustc_ast`], [`rustc_expand`], and [`rustc_builtin_macros`] are all -> undergoing refactoring, so some of the links in this chapter may be broken. - Rust has a very powerful macro system. In the previous chapter, we saw how the parser sets aside macros to be expanded (using temporary [placeholders]). This chapter is about the process of expanding those macros iteratively until @@ -12,9 +9,6 @@ we have a complete [*Abstract Syntax Tree* (AST)][ast] for our crate with no unexpanded macros (or a compile error). [ast]: ./ast-validation.md -[`rustc_ast`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_ast/index.html -[`rustc_expand`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_expand/index.html -[`rustc_builtin_macros`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_builtin_macros/index.html [placeholders]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_expand/placeholders/index.html First, we discuss the algorithm that expands and integrates macro output into 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/rustdoc-internals.md b/src/doc/rustc-dev-guide/src/rustdoc-internals.md index 7f1c83e00f9..80421b85bf0 100644 --- a/src/doc/rustc-dev-guide/src/rustdoc-internals.md +++ b/src/doc/rustc-dev-guide/src/rustdoc-internals.md @@ -55,8 +55,8 @@ The first step in [`clean::utils::krate`][ck1] is to invoke * inlining public `use` exports of private items, or showing a "Reexport" line in the module page * inlining items with `#[doc(hidden)]` if the base item is hidden but the - * showing `#[macro_export]`-ed macros at the crate root, regardless of where - they're defined reexport is not + * showing `#[macro_export]`-ed macros at the crate root, regardless of whether + they're defined as a reexport or not After this step, `clean::krate` invokes [`clean_doc_module`], which actually converts the `HIR` items to the cleaned [`AST`][ast]. This is also the step where cross- diff --git a/src/doc/rustc-dev-guide/src/rustdoc-internals/rustdoc-test-suite.md b/src/doc/rustc-dev-guide/src/rustdoc-internals/rustdoc-test-suite.md index 169b95a7e1a..bad7ac19da2 100644 --- a/src/doc/rustc-dev-guide/src/rustdoc-internals/rustdoc-test-suite.md +++ b/src/doc/rustc-dev-guide/src/rustdoc-internals/rustdoc-test-suite.md @@ -16,10 +16,10 @@ In addition to the directives listed here, `rustdoc` tests also support most [compiletest directives](../tests/directives.html). -All `PATH`s in directives are relative to the the rustdoc output directory (`build/TARGET/test/rustdoc/TESTNAME`), +All `PATH`s in directives are relative to the rustdoc output directory (`build/TARGET/test/rustdoc/TESTNAME`), so it is conventional to use a `#![crate_name = "foo"]` attribute to avoid having to write a long crate name multiple times. -To avoid repetion, `-` can be used in any `PATH` argument to re-use the previous `PATH` argument. +To avoid repetition, `-` can be used in any `PATH` argument to re-use the previous `PATH` argument. All arguments take the form of quoted strings (both single and double quotes are supported), @@ -87,7 +87,7 @@ compiletest's `--bless` flag is forwarded to htmldocck. Usage: `//@ has-dir PATH` -Checks for the existance of directory `PATH`. +Checks for the existence of directory `PATH`. ### `files` @@ -106,7 +106,7 @@ Example: `//@ files "foo/bar" '["index.html", "sidebar-items.js"]'` ## Limitations `htmldocck.py` uses the xpath implementation from the standard library. This leads to several limitations: -* All `XPATH` arguments must start with `//` due to a flaw in the implemention. +* All `XPATH` arguments must start with `//` due to a flaw in the implementation. * Many XPath features (functions, axies, etc.) are not supported. * Only well-formed HTML can be parsed (hopefully rustdoc doesn't output mismatched tags). diff --git a/src/doc/rustc-dev-guide/src/serialization.md b/src/doc/rustc-dev-guide/src/serialization.md index 670a37ffb0a..47667061eda 100644 --- a/src/doc/rustc-dev-guide/src/serialization.md +++ b/src/doc/rustc-dev-guide/src/serialization.md @@ -169,7 +169,7 @@ The `LazyArray<[T]>` and `LazyTable<I, T>` types provide some functionality over than the one being read. **note**: `LazyValue<T>` does not cache its value after being deserialized the -first time. Instead the query system its self is the main way of caching these +first time. Instead the query system itself is the main way of caching these results. [`LazyArray<T>`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_metadata/rmeta/struct.LazyValue.html diff --git a/src/doc/rustc-dev-guide/src/tests/best-practices.md b/src/doc/rustc-dev-guide/src/tests/best-practices.md index 2bdc7f3a243..be00207e3fb 100644 --- a/src/doc/rustc-dev-guide/src/tests/best-practices.md +++ b/src/doc/rustc-dev-guide/src/tests/best-practices.md @@ -70,6 +70,11 @@ related tests. > //! > //! Regression test for <https://github.com/rust-lang/rust/issues/123456>. > ``` +> +> One exception to this rule is [crashes tests]: there it is canonical that +> tests are named only after issue numbers because its purpose is to track +> snippets from which issues no longer ICE/crash, and they would either be +> removed or converted into proper ui/other tests in the fix PRs. ## Test organization @@ -194,3 +199,4 @@ See [LLVM FileCheck guide][FileCheck] for details. [compiletest directives]: ./directives.md [`run-make`]: ./compiletest.md#run-make-tests [FileCheck]: https://llvm.org/docs/CommandGuide/FileCheck.html +[crashes tests]: ./compiletest.md#crashes-tests diff --git a/src/doc/rustc-dev-guide/src/tests/compiletest.md b/src/doc/rustc-dev-guide/src/tests/compiletest.md index 2c35381eadf..0ba078f0b49 100644 --- a/src/doc/rustc-dev-guide/src/tests/compiletest.md +++ b/src/doc/rustc-dev-guide/src/tests/compiletest.md @@ -325,12 +325,8 @@ The tests in [`tests/codegen-units`] test the [monomorphization](../backend/monomorph.md) collector and CGU partitioning. These tests work by running `rustc` with a flag to print the result of the -monomorphization collection pass, and then special annotations in the file are -used to compare against that. - -Each test should be annotated with the `//@ -compile-flags:-Zprint-mono-items=VAL` directive with the appropriate `VAL` to -instruct `rustc` to print the monomorphization information. +monomorphization collection pass, i.e., `-Zprint-mono-items`, and then special +annotations in the file are used to compare against that. Then, the test should be annotated with comments of the form `//~ MONO_ITEM name` where `name` is the monomorphized string printed by rustc like `fn <u32 as diff --git a/src/doc/rustc-dev-guide/src/tests/intro.md b/src/doc/rustc-dev-guide/src/tests/intro.md index 7bf30b106b4..c55d60f4a5c 100644 --- a/src/doc/rustc-dev-guide/src/tests/intro.md +++ b/src/doc/rustc-dev-guide/src/tests/intro.md @@ -102,11 +102,12 @@ by passing a path to a book to `./x test`. ### Documentation link checker -Links across all documentation is validated with a link checker tool. +Links across all documentation is validated with a link checker tool, +and it can be invoked so: -> Example: `./x test src/tools/linkchecker` - -> Example: `./x test linkchecker` +```console +./x test linkchecker +``` This requires building all of the documentation, which might take a while. diff --git a/src/doc/rustc-dev-guide/src/traits/unsize.md b/src/doc/rustc-dev-guide/src/traits/unsize.md index dd57a1b0796..98a44525748 100644 --- a/src/doc/rustc-dev-guide/src/traits/unsize.md +++ b/src/doc/rustc-dev-guide/src/traits/unsize.md @@ -32,21 +32,21 @@ Built-in implementations are provided for: ## Structural implementations -There are two implementations of `Unsize` which can be thought of as +There is one implementation of `Unsize` which can be thought of as structural: -* `(A1, A2, .., An): Unsize<(A1, A2, .., U)>` given `An: Unsize<U>`, which - allows the tail field of a tuple to be unsized. This is gated behind the - [`unsized_tuple_coercion`] feature. * `Struct<.., Pi, .., Pj, ..>: Unsize<Struct<.., Ui, .., Uj, ..>>` given `TailField<Pi, .., Pj>: Unsize<Ui, .. Uj>`, which allows the tail field of a struct to be unsized if it is the only field that mentions generic parameters `Pi`, .., `Pj` (which don't need to be contiguous). -The rules for the latter implementation are slightly complicated, since they +The rules for struct unsizing are slightly complicated, since they may allow more than one parameter to be changed (not necessarily unsized) and are best stated in terms of the tail field of the struct. -[`unsized_tuple_coercion`]: https://doc.rust-lang.org/beta/unstable-book/language-features/unsized-tuple-coercion.html +(Tuple unsizing was previously implemented behind the feature gate +`unsized_tuple_coercion`, but the implementation was removed by [#137728].) + +[#137728]: https://github.com/rust-lang/rust/pull/137728 ## Upcasting implementations diff --git a/src/doc/rustc-dev-guide/src/ty-fold.md b/src/doc/rustc-dev-guide/src/ty-fold.md index d4d0952fcc3..23253022ffe 100644 --- a/src/doc/rustc-dev-guide/src/ty-fold.md +++ b/src/doc/rustc-dev-guide/src/ty-fold.md @@ -1,26 +1,28 @@ +<!-- date-check: may 2024 --> # `TypeFoldable` and `TypeFolder` -In the previous chapter we discussed instantiating binders. This must involves looking at everything inside of a `Early/Binder` -to find any usages of the bound vars in order to replace them. Binders can wrap an arbitrary rust type `T` not just a `Ty` so -how do we implement the `instantiate` methods on the `Early/Binder` types. +In [a previous chapter], we discussed instantiating binders. +This involves looking at everything inside of a `Early(Binder)` +to find any usages of the bound vars in order to replace them. +Binders can wrap an arbitrary Rust type `T`, not just a `Ty`. +So, how do we implement the `instantiate` methods on the `Early/Binder` types? The answer is a couple of traits: -[`TypeFoldable`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/fold/trait.TypeFoldable.html) +[`TypeFoldable`] and -[`TypeFolder`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/fold/trait.TypeFolder.html). +[`TypeFolder`]. - `TypeFoldable` is implemented by types that embed type information. It allows you to recursively process the contents of the `TypeFoldable` and do stuff to them. - `TypeFolder` defines what you want to do with the types you encounter while processing the `TypeFoldable`. -For example, the `TypeFolder` trait has a method -[`fold_ty`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/fold/trait.TypeFolder.html#method.fold_ty) -that takes a type as input and returns a new type as a result. `TypeFoldable` invokes the -`TypeFolder` `fold_foo` methods on itself, giving the `TypeFolder` access to its contents (the -types, regions, etc that are contained within). +For example, the `TypeFolder` trait has a method [`fold_ty`] +that takes a type as input and returns a new type as a result. +`TypeFoldable` invokes the `TypeFolder` `fold_foo` methods on itself, +giving the `TypeFolder` access to its contents (the types, regions, etc that are contained within). -You can think of it with this analogy to the iterator combinators we have come to love in rust: +You can think of it with this analogy to the iterator combinators we have come to love in Rust: ```rust,ignore vec.iter().map(|e1| foo(e2)).collect() @@ -33,8 +35,7 @@ So to reiterate: - `TypeFolder` is a trait that defines a “map” operation. - `TypeFoldable` is a trait that is implemented by things that embed types. -In the case of `subst`, we can see that it is implemented as a `TypeFolder`: -[`ArgFolder`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_type_ir/binder/struct.ArgFolder.html). +In the case of `subst`, we can see that it is implemented as a `TypeFolder`: [`ArgFolder`]. Looking at its implementation, we see where the actual substitutions are happening. However, you might also notice that the implementation calls this `super_fold_with` method. What is @@ -88,17 +89,22 @@ things. We only want to do something when we reach a type. That means there may `TypeFoldable` types whose implementations basically just forward to their fields’ `TypeFoldable` implementations. Such implementations of `TypeFoldable` tend to be pretty tedious to write by hand. For this reason, there is a `derive` macro that allows you to `#![derive(TypeFoldable)]`. It is -defined -[here](https://github.com/rust-lang/rust/blob/master/compiler/rustc_macros/src/type_foldable.rs). - -**`subst`** In the case of substitutions the [actual -folder](https://github.com/rust-lang/rust/blob/75ff3110ac6d8a0259023b83fd20d7ab295f8dd6/src/librustc_middle/ty/subst.rs#L440-L451) -is going to be doing the indexing we’ve already mentioned. There we define a `Folder` and call -`fold_with` on the `TypeFoldable` to process yourself. Then -[fold_ty](https://github.com/rust-lang/rust/blob/75ff3110ac6d8a0259023b83fd20d7ab295f8dd6/src/librustc_middle/ty/subst.rs#L512-L536) -the method that process each type it looks for a `ty::Param` and for those it replaces it for -something from the list of substitutions, otherwise recursively process the type. To replace it, -calls -[ty_for_param](https://github.com/rust-lang/rust/blob/75ff3110ac6d8a0259023b83fd20d7ab295f8dd6/src/librustc_middle/ty/subst.rs#L552-L587) +defined [here]. + +**`subst`** In the case of substitutions the [actual folder] +is going to be doing the indexing we’ve already mentioned. +There we define a `Folder` and call `fold_with` on the `TypeFoldable` to process yourself. +Then [fold_ty] the method that process each type it looks for a `ty::Param` and for those +it replaces it for something from the list of substitutions, otherwise recursively process the type. +To replace it, calls [ty_for_param] and all that does is index into the list of substitutions with the index of the `Param`. +[a previous chapter]: ty_module/instantiating_binders.md +[`TypeFoldable`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/trait.TypeFoldable.html +[`TypeFolder`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/trait.TypeFolder.html +[`fold_ty`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/trait.TypeFolder.html#method.fold_ty +[`ArgFolder`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_type_ir/binder/struct.ArgFolder.html +[here]: https://github.com/rust-lang/rust/blob/master/compiler/rustc_macros/src/type_foldable.rs +[actual folder]: https://github.com/rust-lang/rust/blob/75ff3110ac6d8a0259023b83fd20d7ab295f8dd6/src/librustc_middle/ty/subst.rs#L440-L451 +[fold_ty]: https://github.com/rust-lang/rust/blob/75ff3110ac6d8a0259023b83fd20d7ab295f8dd6/src/librustc_middle/ty/subst.rs#L512-L536 +[ty_for_param]: https://github.com/rust-lang/rust/blob/75ff3110ac6d8a0259023b83fd20d7ab295f8dd6/src/librustc_middle/ty/subst.rs#L552-L587 diff --git a/src/doc/rustc-dev-guide/src/type-checking.md b/src/doc/rustc-dev-guide/src/type-checking.md index b60694201f3..4e8b30b19fc 100644 --- a/src/doc/rustc-dev-guide/src/type-checking.md +++ b/src/doc/rustc-dev-guide/src/type-checking.md @@ -17,7 +17,7 @@ Type "collection" is the process of converting the types found in the HIR **internal representation** used by the compiler (`Ty<'tcx>`) – we also do similar conversions for where-clauses and other bits of the function signature. -To try and get a sense for the difference, consider this function: +To try and get a sense of the difference, consider this function: ```rust,ignore struct Foo { } diff --git a/src/doc/rustc-dev-guide/src/type-inference.md b/src/doc/rustc-dev-guide/src/type-inference.md index c03fa36d79d..888eb2439c5 100644 --- a/src/doc/rustc-dev-guide/src/type-inference.md +++ b/src/doc/rustc-dev-guide/src/type-inference.md @@ -19,7 +19,7 @@ Here, the type of `things` is *inferred* to be `Vec<&str>` because of the value we push into `things`. The type inference is based on the standard Hindley-Milner (HM) type inference -algorithm, but extended in various way to accommodate subtyping, region +algorithm, but extended in various ways to accommodate subtyping, region inference, and higher-ranked types. ## A note on terminology 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 757296d1f65..67eaf51bf29 100644 --- a/src/doc/rustc-dev-guide/src/typing_parameter_envs.md +++ b/src/doc/rustc-dev-guide/src/typing_parameter_envs.md @@ -4,7 +4,7 @@ ## Typing Environments -When interacting with the type system there are a few variables to consider that can affect the results of trait solving. The the set of in-scope where clauses, and what phase of the compiler type system operations are being performed in (the [`ParamEnv`][penv] and [`TypingMode`][tmode] structs respectively). +When interacting with the type system there are a few variables to consider that can affect the results of trait solving. The set of in-scope where clauses, and what phase of the compiler type system operations are being performed in (the [`ParamEnv`][penv] and [`TypingMode`][tmode] structs respectively). When an environment to perform type system operations in has not yet been created, the [`TypingEnv`][tenv] can be used to bundle all of the external context required into a single type. @@ -13,11 +13,11 @@ Once a context to perform type system operations in has been created (e.g. an [` [ocx]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/traits/struct.ObligationCtxt.html [fnctxt]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_hir_typeck/fn_ctxt/struct.FnCtxt.html -## Parameter Environemnts +## Parameter Environments ### What is a `ParamEnv` -The [`ParamEnv`][penv] is a list of in-scope where-clauses, it typically corresponds to a specific item's where clauses. Some clauses are not explicitly written but are instead are implicitly added in the [`predicates_of`][predicates_of] query, such as `ConstArgHasType` or (some) implied bounds. +The [`ParamEnv`][penv] is a list of in-scope where-clauses, it typically corresponds to a specific item's where clauses. Some clauses are not explicitly written but are instead implicitly added in the [`predicates_of`][predicates_of] query, such as `ConstArgHasType` or (some) implied bounds. In most cases `ParamEnv`s are initially created via the [`param_env` query][query] which returns a `ParamEnv` derived from the provided item's where clauses. A `ParamEnv` can also be created with arbitrary sets of clauses that are not derived from a specific item, such as in [`compare_method_predicate_entailment`][method_pred_entailment] where we create a hybrid `ParamEnv` consisting of the impl's where clauses and the trait definition's function's where clauses. @@ -73,7 +73,7 @@ fn foo2<T>(a: T) { ### Acquiring a `ParamEnv` -Using the wrong [`ParamEnv`][penv] when interacting with the type system can lead to ICEs, illformed programs compiling, or erroing when we shouldn't. See [#82159](https://github.com/rust-lang/rust/pull/82159) and [#82067](https://github.com/rust-lang/rust/pull/82067) as examples of PRs that modified the compiler to use the correct param env and in the process fixed ICEs. +Using the wrong [`ParamEnv`][penv] when interacting with the type system can lead to ICEs, illformed programs compiling, or erroring when we shouldn't. See [#82159](https://github.com/rust-lang/rust/pull/82159) and [#82067](https://github.com/rust-lang/rust/pull/82067) as examples of PRs that modified the compiler to use the correct param env and in the process fixed ICEs. In the large majority of cases, when a `ParamEnv` is required it either already exists somewhere in scope, or above in the call stack and should be passed down. A non exhaustive list of places where you might find an existing `ParamEnv`: - During typeck `FnCtxt` has a [`param_env` field][fnctxt_param_env] 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/platform-support/xtensa.md b/src/doc/rustc/src/platform-support/xtensa.md index 1189d27c95d..994b3adb92e 100644 --- a/src/doc/rustc/src/platform-support/xtensa.md +++ b/src/doc/rustc/src/platform-support/xtensa.md @@ -24,4 +24,4 @@ Xtensa targets that support `std` are documented in the [ESP-IDF platform suppor ## Building the targets -The targets can be built by installing the [Xtensa enabled Rust channel](https://github.com/esp-rs/rust/). See instructions in the [RISC-V and Xtensa Targets section of the The Rust on ESP Book](https://docs.esp-rs.org/book/installation/riscv-and-xtensa.html). +The targets can be built by installing the [Xtensa enabled Rust channel](https://github.com/esp-rs/rust/). See instructions in the [RISC-V and Xtensa Targets section of The Rust on ESP Book](https://docs.esp-rs.org/book/installation/riscv-and-xtensa.html). diff --git a/src/doc/rustc/theme/pagetoc.css b/src/doc/rustc/theme/pagetoc.css new file mode 100644 index 00000000000..58ca1f8b26f --- /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(--sidebar-fg) !important; + 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/documentation-tests.md b/src/doc/rustdoc/src/write-documentation/documentation-tests.md index 077b02d603d..e6b15e0dbd3 100644 --- a/src/doc/rustdoc/src/write-documentation/documentation-tests.md +++ b/src/doc/rustdoc/src/write-documentation/documentation-tests.md @@ -462,7 +462,7 @@ struct Foo; ``` In older versions, this will be ignored on all targets, but starting with -version CURRENT_RUSTC_VERSION, `ignore-x86_64` will override `ignore`. +version 1.88.0, `ignore-x86_64` will override `ignore`. ### Custom CSS classes for code blocks diff --git a/src/doc/unstable-book/src/library-features/duration-constructors-lite.md b/src/doc/unstable-book/src/library-features/duration-constructors-lite.md new file mode 100644 index 00000000000..5238b84f776 --- /dev/null +++ b/src/doc/unstable-book/src/library-features/duration-constructors-lite.md @@ -0,0 +1,11 @@ +# `duration_constructors_lite` + +The tracking issue for this feature is: [#140881] + +[#140881]: https://github.com/rust-lang/rust/issues/140881 + +------------------------ + +Add the methods `from_mins`, `from_hours` to `Duration`. + +For `from_days` and `from_weeks` see [`duration_constructors`](https://github.com/rust-lang/rust/issues/120301). diff --git a/src/doc/unstable-book/src/library-features/duration-constructors.md b/src/doc/unstable-book/src/library-features/duration-constructors.md index 098519c7c90..49ad78d1961 100644 --- a/src/doc/unstable-book/src/library-features/duration-constructors.md +++ b/src/doc/unstable-book/src/library-features/duration-constructors.md @@ -6,4 +6,5 @@ The tracking issue for this feature is: [#120301] ------------------------ -Add the methods `from_mins`, `from_hours` and `from_days` to `Duration`. +Add the methods `from_days` and `from_weeks` to `Duration`. +For `from_mins` and `from_hours` see [duration-constructors-lite.md](./duration-constructors-lite.md) 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..0bd4878f9a6 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 +118,9 @@ pub fn register_tests(cfg: &Config) -> Vec<TestInfo> { let mut tests = Vec::new(); // Register normal generators for all floats. + + #[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..65a8721bfa5 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 +170,9 @@ macro_rules! impl_float { impl_float!(f32, u32; f64, u64); +#[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/gcc b/src/gcc -Subproject 0ea98a1365b81f7488073512c850e8ee951a4af +Subproject 04ce66d8c918de9273bd7101638ad8724edf5e2 diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs index 1541e7201ce..439777843fb 100644 --- a/src/librustdoc/clean/cfg.rs +++ b/src/librustdoc/clean/cfg.rs @@ -144,7 +144,7 @@ impl Cfg { /// Whether the configuration consists of just `Cfg` or `Not`. fn is_simple(&self) -> bool { - match *self { + match self { Cfg::False | Cfg::True | Cfg::Cfg(..) | Cfg::Not(..) => true, Cfg::All(..) | Cfg::Any(..) => false, } @@ -152,7 +152,7 @@ impl Cfg { /// Whether the configuration consists of just `Cfg`, `Not` or `All`. fn is_all(&self) -> bool { - match *self { + match self { Cfg::False | Cfg::True | Cfg::Cfg(..) | Cfg::Not(..) | Cfg::All(..) => true, Cfg::Any(..) => false, } @@ -204,7 +204,7 @@ impl Cfg { } fn should_append_only_to_description(&self) -> bool { - match *self { + match self { Cfg::False | Cfg::True => false, Cfg::Any(..) | Cfg::All(..) | Cfg::Cfg(..) => true, Cfg::Not(box Cfg::Cfg(..)) => true, @@ -261,17 +261,17 @@ impl ops::Not for Cfg { impl ops::BitAndAssign for Cfg { fn bitand_assign(&mut self, other: Cfg) { match (self, other) { - (&mut Cfg::False, _) | (_, Cfg::True) => {} + (Cfg::False, _) | (_, Cfg::True) => {} (s, Cfg::False) => *s = Cfg::False, - (s @ &mut Cfg::True, b) => *s = b, - (&mut Cfg::All(ref mut a), Cfg::All(ref mut b)) => { + (s @ Cfg::True, b) => *s = b, + (Cfg::All(a), Cfg::All(ref mut b)) => { for c in b.drain(..) { if !a.contains(&c) { a.push(c); } } } - (&mut Cfg::All(ref mut a), ref mut b) => { + (Cfg::All(a), ref mut b) => { if !a.contains(b) { a.push(mem::replace(b, Cfg::True)); } @@ -305,15 +305,15 @@ impl ops::BitOrAssign for Cfg { fn bitor_assign(&mut self, other: Cfg) { match (self, other) { (Cfg::True, _) | (_, Cfg::False) | (_, Cfg::True) => {} - (s @ &mut Cfg::False, b) => *s = b, - (&mut Cfg::Any(ref mut a), Cfg::Any(ref mut b)) => { + (s @ Cfg::False, b) => *s = b, + (Cfg::Any(a), Cfg::Any(ref mut b)) => { for c in b.drain(..) { if !a.contains(&c) { a.push(c); } } } - (&mut Cfg::Any(ref mut a), ref mut b) => { + (Cfg::Any(a), ref mut b) => { if !a.contains(b) { a.push(mem::replace(b, Cfg::True)); } @@ -440,40 +440,34 @@ impl Display<'_> { impl fmt::Display for Display<'_> { fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { - match *self.0 { - Cfg::Not(ref child) => match **child { - Cfg::Any(ref sub_cfgs) => { - let separator = - if sub_cfgs.iter().all(Cfg::is_simple) { " nor " } else { ", nor " }; - fmt.write_str("neither ")?; - - sub_cfgs - .iter() - .map(|sub_cfg| { - fmt::from_fn(|fmt| { - write_with_opt_paren( - fmt, - !sub_cfg.is_all(), - Display(sub_cfg, self.1), - ) - }) + match self.0 { + Cfg::Not(box Cfg::Any(sub_cfgs)) => { + let separator = + if sub_cfgs.iter().all(Cfg::is_simple) { " nor " } else { ", nor " }; + fmt.write_str("neither ")?; + + sub_cfgs + .iter() + .map(|sub_cfg| { + fmt::from_fn(|fmt| { + write_with_opt_paren(fmt, !sub_cfg.is_all(), Display(sub_cfg, self.1)) }) - .joined(separator, fmt) - } - ref simple @ Cfg::Cfg(..) => write!(fmt, "non-{}", Display(simple, self.1)), - ref c => write!(fmt, "not ({})", Display(c, self.1)), - }, + }) + .joined(separator, fmt) + } + Cfg::Not(box simple @ Cfg::Cfg(..)) => write!(fmt, "non-{}", Display(simple, self.1)), + Cfg::Not(box c) => write!(fmt, "not ({})", Display(c, self.1)), - Cfg::Any(ref sub_cfgs) => { + Cfg::Any(sub_cfgs) => { let separator = if sub_cfgs.iter().all(Cfg::is_simple) { " or " } else { ", or " }; self.display_sub_cfgs(fmt, sub_cfgs, separator) } - Cfg::All(ref sub_cfgs) => self.display_sub_cfgs(fmt, sub_cfgs, " and "), + Cfg::All(sub_cfgs) => self.display_sub_cfgs(fmt, sub_cfgs, " and "), Cfg::True => fmt.write_str("everywhere"), Cfg::False => fmt.write_str("nowhere"), - Cfg::Cfg(name, value) => { + &Cfg::Cfg(name, value) => { let human_readable = match (name, value) { (sym::unix, None) => "Unix", (sym::windows, None) => "Windows", diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 622a410837b..28dfa01534e 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -224,9 +224,9 @@ fn clean_generic_bound<'tcx>( bound: &hir::GenericBound<'tcx>, cx: &mut DocContext<'tcx>, ) -> Option<GenericBound> { - Some(match *bound { + Some(match bound { hir::GenericBound::Outlives(lt) => GenericBound::Outlives(clean_lifetime(lt, cx)), - hir::GenericBound::Trait(ref t) => { + hir::GenericBound::Trait(t) => { // `T: ~const Destruct` is hidden because `T: Destruct` is a no-op. if let hir::BoundConstness::Maybe(_) = t.modifiers.constness && cx.tcx.lang_items().destruct_trait() == Some(t.trait_ref.trait_def_id().unwrap()) @@ -352,8 +352,8 @@ fn clean_where_predicate<'tcx>( if !predicate.kind.in_where_clause() { return None; } - Some(match *predicate.kind { - hir::WherePredicateKind::BoundPredicate(ref wbp) => { + Some(match predicate.kind { + hir::WherePredicateKind::BoundPredicate(wbp) => { let bound_params = wbp .bound_generic_params .iter() @@ -366,12 +366,12 @@ fn clean_where_predicate<'tcx>( } } - hir::WherePredicateKind::RegionPredicate(ref wrp) => WherePredicate::RegionPredicate { + hir::WherePredicateKind::RegionPredicate(wrp) => WherePredicate::RegionPredicate { lifetime: clean_lifetime(wrp.lifetime, cx), bounds: wrp.bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), }, - hir::WherePredicateKind::EqPredicate(ref wrp) => WherePredicate::EqPredicate { + hir::WherePredicateKind::EqPredicate(wrp) => WherePredicate::EqPredicate { lhs: clean_ty(wrp.lhs_ty, cx), rhs: clean_ty(wrp.rhs_ty, cx).into(), }, @@ -2112,7 +2112,7 @@ pub(crate) fn clean_middle_ty<'tcx>( ); Type::Path { path } } - ty::Dynamic(obj, ref reg, _) => { + ty::Dynamic(obj, reg, _) => { // HACK: pick the first `did` as the `did` of the trait object. Someone // might want to implement "native" support for marker-trait-only // trait objects. @@ -2129,7 +2129,7 @@ pub(crate) fn clean_middle_ty<'tcx>( inline::record_extern_fqn(cx, did, ItemType::Trait); - let lifetime = clean_trait_object_lifetime_bound(*reg, container, obj, cx.tcx); + let lifetime = clean_trait_object_lifetime_bound(reg, container, obj, cx.tcx); let mut bounds = dids .map(|did| { @@ -2846,7 +2846,7 @@ fn clean_maybe_renamed_item<'tcx>( )); return ret; } - ItemKind::Enum(_, ref def, generics) => EnumItem(Enum { + ItemKind::Enum(_, def, generics) => 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(_, ref variant_data, generics) => UnionItem(Union { + ItemKind::Union(_, variant_data, generics) => UnionItem(Union { generics: clean_generics(generics, cx), fields: variant_data.fields().iter().map(|x| clean_field(x, cx)).collect(), }), - ItemKind::Struct(_, ref variant_data, generics) => StructItem(Struct { + ItemKind::Struct(_, variant_data, generics) => 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 e7ff87793af..e45f28444fe 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1339,9 +1339,9 @@ pub(crate) enum WherePredicate { impl WherePredicate { pub(crate) fn get_bounds(&self) -> Option<&[GenericBound]> { - match *self { - WherePredicate::BoundPredicate { ref bounds, .. } => Some(bounds), - WherePredicate::RegionPredicate { ref bounds, .. } => Some(bounds), + match self { + WherePredicate::BoundPredicate { bounds, .. } => Some(bounds), + WherePredicate::RegionPredicate { bounds, .. } => Some(bounds), _ => None, } } @@ -1711,13 +1711,13 @@ impl Type { /// /// [clean]: crate::clean pub(crate) fn def_id(&self, cache: &Cache) -> Option<DefId> { - let t: PrimitiveType = match *self { - Type::Path { ref path } => return Some(path.def_id()), - DynTrait(ref bounds, _) => return bounds.first().map(|b| b.trait_.def_id()), - Primitive(p) => return cache.primitive_locations.get(&p).cloned(), + let t: PrimitiveType = match self { + Type::Path { path } => return Some(path.def_id()), + DynTrait(bounds, _) => return bounds.first().map(|b| b.trait_.def_id()), + Primitive(p) => return cache.primitive_locations.get(p).cloned(), BorrowedRef { type_: box Generic(..), .. } => PrimitiveType::Reference, - BorrowedRef { ref type_, .. } => return type_.def_id(cache), - Tuple(ref tys) => { + BorrowedRef { type_, .. } => return type_.def_id(cache), + Tuple(tys) => { if tys.is_empty() { PrimitiveType::Unit } else { @@ -1729,7 +1729,7 @@ impl Type { Array(..) => PrimitiveType::Array, Type::Pat(..) => PrimitiveType::Pat, RawPointer(..) => PrimitiveType::RawPointer, - QPath(box QPathData { ref self_type, .. }) => return self_type.def_id(cache), + QPath(box QPathData { self_type, .. }) => return self_type.def_id(cache), Generic(_) | SelfTy | Infer | ImplTrait(_) | UnsafeBinder(_) => return None, }; Primitive(t).def_id(cache) diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 4ef73ff48ed..f93aa8ffd0d 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -174,7 +174,7 @@ pub(crate) struct Options { pub(crate) expanded_args: Vec<String>, /// Arguments to be used when compiling doctests. - pub(crate) doctest_compilation_args: Vec<String>, + pub(crate) doctest_build_args: Vec<String>, } impl fmt::Debug for Options { @@ -802,7 +802,7 @@ impl Options { let scrape_examples_options = ScrapeExamplesOptions::new(matches, dcx); let with_examples = matches.opt_strs("with-examples"); let call_locations = crate::scrape_examples::load_call_locations(with_examples, dcx); - let doctest_compilation_args = matches.opt_strs("doctest-compilation-args"); + let doctest_build_args = matches.opt_strs("doctest-build-arg"); let unstable_features = rustc_feature::UnstableFeatures::from_environment(crate_name.as_deref()); @@ -851,7 +851,7 @@ impl Options { scrape_examples_options, unstable_features, expanded_args: args, - doctest_compilation_args, + doctest_build_args, }; let render_options = RenderOptions { output, diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 0cdf2f92a89..ef70b862185 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -51,46 +51,6 @@ pub(crate) struct GlobalTestOptions { pub(crate) args_file: PathBuf, } -/// Function used to split command line arguments just like a shell would. -fn split_args(args: &str) -> Vec<String> { - let mut out = Vec::new(); - let mut iter = args.chars(); - let mut current = String::new(); - - while let Some(c) = iter.next() { - if c == '\\' { - if let Some(c) = iter.next() { - // If it's escaped, even a quote or a whitespace will be ignored. - current.push(c); - } - } else if c == '"' || c == '\'' { - while let Some(new_c) = iter.next() { - if new_c == c { - break; - } else if new_c == '\\' { - if let Some(c) = iter.next() { - // If it's escaped, even a quote will be ignored. - current.push(c); - } - } else { - current.push(new_c); - } - } - } else if " \n\t\r".contains(c) { - if !current.is_empty() { - out.push(current.clone()); - current.clear(); - } - } else { - current.push(c); - } - } - if !current.is_empty() { - out.push(current); - } - out -} - pub(crate) fn generate_args_file(file_path: &Path, options: &RustdocOptions) -> Result<(), String> { let mut file = File::create(file_path) .map_err(|error| format!("failed to create args file: {error:?}"))?; @@ -119,9 +79,7 @@ pub(crate) fn generate_args_file(file_path: &Path, options: &RustdocOptions) -> content.push(format!("-Z{unstable_option_str}")); } - for compilation_args in &options.doctest_compilation_args { - content.extend(split_args(compilation_args)); - } + content.extend(options.doctest_build_args.clone()); let content = content.join("\n"); diff --git a/src/librustdoc/doctest/tests.rs b/src/librustdoc/doctest/tests.rs index 49add73e9d6..618c2041b43 100644 --- a/src/librustdoc/doctest/tests.rs +++ b/src/librustdoc/doctest/tests.rs @@ -382,28 +382,6 @@ fn main() { } #[test] -fn check_split_args() { - fn compare(input: &str, expected: &[&str]) { - let output = super::split_args(input); - let expected = expected.iter().map(|s| s.to_string()).collect::<Vec<_>>(); - assert_eq!(expected, output, "test failed for {input:?}"); - } - - compare("'a' \"b\"c", &["a", "bc"]); - compare("'a' \"b \"c d", &["a", "b c", "d"]); - compare("'a' \"b\\\"c\"", &["a", "b\"c"]); - compare("'a\"'", &["a\""]); - compare("\"a'\"", &["a'"]); - compare("\\ a", &[" a"]); - compare("\\\\", &["\\"]); - compare("a'", &["a"]); - compare("a ", &["a"]); - compare("a b", &["a", "b"]); - compare("a\n\t \rb", &["a", "b"]); - compare("a\n\t1 \rb", &["a", "1", "b"]); -} - -#[test] fn comment_in_attrs() { // If there is an inline code comment after attributes, we need to ensure that // a backline will be added to prevent generating code "inside" it (and thus generating) diff --git a/src/librustdoc/formats/item_type.rs b/src/librustdoc/formats/item_type.rs index de6537e992f..3aba7a370ad 100644 --- a/src/librustdoc/formats/item_type.rs +++ b/src/librustdoc/formats/item_type.rs @@ -70,12 +70,12 @@ impl Serialize for ItemType { impl<'a> From<&'a clean::Item> for ItemType { fn from(item: &'a clean::Item) -> ItemType { - let kind = match item.kind { - clean::StrippedItem(box ref item) => item, - ref kind => kind, + let kind = match &item.kind { + clean::StrippedItem(box item) => item, + kind => kind, }; - match *kind { + match kind { clean::ModuleItem(..) => ItemType::Module, clean::ExternCrateItem { .. } => ItemType::ExternCrate, clean::ImportItem(..) => ItemType::Import, @@ -103,7 +103,7 @@ impl<'a> From<&'a clean::Item> for ItemType { clean::ForeignTypeItem => ItemType::ForeignType, clean::KeywordItem => ItemType::Keyword, clean::TraitAliasItem(..) => ItemType::TraitAlias, - clean::ProcMacroItem(ref mac) => match mac.kind { + clean::ProcMacroItem(mac) => match mac.kind { MacroKind::Bang => ItemType::Macro, MacroKind::Attr => ItemType::ProcAttribute, MacroKind::Derive => ItemType::ProcDerive, @@ -134,22 +134,15 @@ impl ItemType { DefKind::Trait => Self::Trait, DefKind::TyAlias => Self::TypeAlias, DefKind::TraitAlias => Self::TraitAlias, - DefKind::Macro(kind) => match kind { - MacroKind::Bang => ItemType::Macro, - MacroKind::Attr => ItemType::ProcAttribute, - MacroKind::Derive => ItemType::ProcDerive, - }, + DefKind::Macro(MacroKind::Bang) => ItemType::Macro, + DefKind::Macro(MacroKind::Attr) => ItemType::ProcAttribute, + DefKind::Macro(MacroKind::Derive) => ItemType::ProcDerive, DefKind::ForeignTy => Self::ForeignType, DefKind::Variant => Self::Variant, DefKind::Field => Self::StructField, DefKind::AssocTy => Self::AssocType, - DefKind::AssocFn => { - if let Some(DefKind::Trait) = parent_kind { - Self::TyMethod - } else { - Self::Method - } - } + DefKind::AssocFn if let Some(DefKind::Trait) = parent_kind => Self::TyMethod, + DefKind::AssocFn => Self::Method, DefKind::Ctor(CtorOf::Struct, _) => Self::Struct, DefKind::Ctor(CtorOf::Variant, _) => Self::Variant, DefKind::AssocConst => Self::AssocConst, @@ -170,7 +163,7 @@ impl ItemType { } pub(crate) fn as_str(&self) -> &'static str { - match *self { + match self { ItemType::Module => "mod", ItemType::ExternCrate => "externcrate", ItemType::Import => "import", @@ -199,10 +192,10 @@ impl ItemType { } } pub(crate) fn is_method(&self) -> bool { - matches!(*self, ItemType::Method | ItemType::TyMethod) + matches!(self, ItemType::Method | ItemType::TyMethod) } pub(crate) fn is_adt(&self) -> bool { - matches!(*self, ItemType::Struct | ItemType::Union | ItemType::Enum) + matches!(self, ItemType::Struct | ItemType::Union | ItemType::Enum) } } diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 1ec02121009..486d4ae932d 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -856,15 +856,15 @@ fn fmt_type( ) -> fmt::Result { trace!("fmt_type(t = {t:?})"); - match *t { + match t { clean::Generic(name) => f.write_str(name.as_str()), clean::SelfTy => f.write_str("Self"), - clean::Type::Path { ref path } => { + clean::Type::Path { path } => { // Paths like `T::Output` and `Self::Output` should be rendered with all segments. let did = path.def_id(); resolved_path(f, did, path, path.is_assoc_ty(), use_absolute, cx) } - clean::DynTrait(ref bounds, ref lt) => { + clean::DynTrait(bounds, lt) => { f.write_str("dyn ")?; tybounds(bounds, lt, cx).fmt(f) } @@ -872,8 +872,8 @@ fn fmt_type( clean::Primitive(clean::PrimitiveType::Never) => { primitive_link(f, PrimitiveType::Never, format_args!("!"), cx) } - clean::Primitive(prim) => primitive_link(f, prim, format_args!("{}", prim.as_sym()), cx), - clean::BareFunction(ref decl) => { + &clean::Primitive(prim) => primitive_link(f, prim, format_args!("{}", prim.as_sym()), cx), + clean::BareFunction(decl) => { print_higher_ranked_params_with_space(&decl.generic_params, cx, "for").fmt(f)?; decl.safety.print_with_space().fmt(f)?; print_abi_with_space(decl.abi).fmt(f)?; @@ -884,11 +884,11 @@ fn fmt_type( } decl.decl.print(cx).fmt(f) } - clean::UnsafeBinder(ref binder) => { + clean::UnsafeBinder(binder) => { print_higher_ranked_params_with_space(&binder.generic_params, cx, "unsafe").fmt(f)?; binder.ty.print(cx).fmt(f) } - clean::Tuple(ref typs) => match &typs[..] { + clean::Tuple(typs) => match &typs[..] { &[] => primitive_link(f, PrimitiveType::Unit, format_args!("()"), cx), [one] => { if let clean::Generic(name) = one { @@ -925,45 +925,36 @@ fn fmt_type( } } }, - clean::Slice(ref t) => match **t { - clean::Generic(name) => { - primitive_link(f, PrimitiveType::Slice, format_args!("[{name}]"), cx) - } - _ => { - write!(f, "[")?; - t.print(cx).fmt(f)?; - write!(f, "]") - } - }, - clean::Type::Pat(ref t, ref pat) => { + clean::Slice(box clean::Generic(name)) => { + primitive_link(f, PrimitiveType::Slice, format_args!("[{name}]"), cx) + } + clean::Slice(t) => { + write!(f, "[")?; + t.print(cx).fmt(f)?; + write!(f, "]") + } + clean::Type::Pat(t, pat) => { fmt::Display::fmt(&t.print(cx), f)?; write!(f, " is {pat}") } - clean::Array(ref t, ref n) => match **t { - clean::Generic(name) if !f.alternate() => primitive_link( - f, - PrimitiveType::Array, - format_args!("[{name}; {n}]", n = Escape(n)), - cx, - ), - _ => { - write!(f, "[")?; - t.print(cx).fmt(f)?; - if f.alternate() { - write!(f, "; {n}")?; - } else { - write!(f, "; ")?; - primitive_link( - f, - PrimitiveType::Array, - format_args!("{n}", n = Escape(n)), - cx, - )?; - } - write!(f, "]") + clean::Array(box clean::Generic(name), n) if !f.alternate() => primitive_link( + f, + PrimitiveType::Array, + format_args!("[{name}; {n}]", n = Escape(n)), + cx, + ), + clean::Array(t, n) => { + write!(f, "[")?; + t.print(cx).fmt(f)?; + if f.alternate() { + write!(f, "; {n}")?; + } else { + write!(f, "; ")?; + primitive_link(f, PrimitiveType::Array, format_args!("{n}", n = Escape(n)), cx)?; } - }, - clean::RawPointer(m, ref t) => { + write!(f, "]") + } + clean::RawPointer(m, t) => { let m = match m { hir::Mutability::Mut => "mut", hir::Mutability::Not => "const", @@ -991,7 +982,7 @@ fn fmt_type( t.print(cx).fmt(f) } } - clean::BorrowedRef { lifetime: ref l, mutability, type_: ref ty } => { + clean::BorrowedRef { lifetime: l, mutability, type_: ty } => { let lt = fmt::from_fn(|f| match l { Some(l) => write!(f, "{} ", l.print()), _ => Ok(()), @@ -1028,11 +1019,11 @@ fn fmt_type( } Ok(()) } - clean::ImplTrait(ref bounds) => { + clean::ImplTrait(bounds) => { f.write_str("impl ")?; print_generic_bounds(bounds, cx).fmt(f) } - clean::QPath(box clean::QPathData { + &clean::QPath(box clean::QPathData { ref assoc, ref self_type, ref trait_, diff --git a/src/librustdoc/html/static/css/noscript.css b/src/librustdoc/html/static/css/noscript.css index 477a79d63e9..a3c6bf98161 100644 --- a/src/librustdoc/html/static/css/noscript.css +++ b/src/librustdoc/html/static/css/noscript.css @@ -43,6 +43,7 @@ nav.sub { --settings-button-border-focus: #717171; --sidebar-background-color: #f5f5f5; --sidebar-background-color-hover: #e0e0e0; + --sidebar-border-color: #ddd; --code-block-background-color: #f5f5f5; --scrollbar-track-background-color: #dcdcdc; --scrollbar-thumb-background-color: rgba(36, 37, 39, 0.6); @@ -149,6 +150,7 @@ nav.sub { --settings-button-border-focus: #ffb900; --sidebar-background-color: #505050; --sidebar-background-color-hover: #676767; + --sidebar-border-color: #2A2A2A; --code-block-background-color: #2A2A2A; --scrollbar-track-background-color: #717171; --scrollbar-thumb-background-color: rgba(32, 34, 37, .6); diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index f838f3f1106..a81d5c9c49b 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -1,4 +1,6 @@ -/* When static files are updated, their suffixes need to be updated. +/* ignore-tidy-filelength */ +/* + When static files are updated, their suffixes need to be updated. 1. In the top directory run: ./x.py doc --stage 1 library/core 2. Find the directory containing files named with updated suffixes: @@ -496,12 +498,13 @@ img { top: 0; left: 0; z-index: var(--desktop-sidebar-z-index); + /* resize indicator: hide this when on touch or mobile */ + border-right: solid 1px var(--sidebar-border-color); } .rustdoc.src .sidebar { flex-basis: 50px; width: 50px; - border-right: 1px solid; overflow-x: hidden; /* The sidebar is by default hidden */ overflow-y: hidden; @@ -515,12 +518,27 @@ img { .sidebar-resizer { touch-action: none; width: 9px; - cursor: col-resize; + cursor: ew-resize; z-index: calc(var(--desktop-sidebar-z-index) + 1); position: fixed; height: 100%; - /* make sure there's a 1px gap between the scrollbar and resize handle */ - left: calc(var(--desktop-sidebar-width) + 1px); + left: var(--desktop-sidebar-width); + display: flex; + align-items: center; + justify-content: flex-start; + color: var(--right-side-color); +} +.sidebar-resizer::before { + content: ""; + border-right: dotted 2px currentColor; + width: 2px; + height: 12px; +} +.sidebar-resizer::after { + content: ""; + border-right: dotted 2px currentColor; + width: 2px; + height: 16px; } .rustdoc.src .sidebar-resizer { @@ -543,11 +561,12 @@ img { } .sidebar-resizing * { - cursor: col-resize !important; + cursor: ew-resize !important; } .sidebar-resizing .sidebar { position: fixed; + border-right: solid 2px var(--sidebar-resizer-active); } .sidebar-resizing > body { padding-left: var(--resizing-sidebar-width); @@ -561,8 +580,9 @@ img { margin: 0; /* when active or hovered, place resizer glow on top of the sidebar (right next to, or even on top of, the scrollbar) */ - left: var(--desktop-sidebar-width); + left: calc(var(--desktop-sidebar-width) - 1px); border-left: solid 1px var(--sidebar-resizer-hover); + color: var(--sidebar-resizer-hover); } .src-sidebar-expanded .rustdoc.src .sidebar-resizer:hover, @@ -578,21 +598,20 @@ img { /* too easy to hit the resizer while trying to hit the [-] toggle */ display: none !important; } + .sidebar { + /* resize indicator: hide this when on touch or mobile */ + border-right: none; + } } .sidebar-resizer.active { /* make the resize tool bigger when actually resizing, to avoid :hover styles on other stuff while resizing */ padding: 0 140px; - width: 2px; + width: calc(140px + 140px + 9px + 2px); margin-left: -140px; border-left: none; -} -.sidebar-resizer.active::before { - border-left: solid 2px var(--sidebar-resizer-active); - display: block; - height: 100%; - content: ""; + color: var(--sidebar-resizer-active); } .sidebar, .mobile-topbar, .sidebar-menu-toggle, @@ -2509,6 +2528,8 @@ in src-script.js and main.js /* 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; } /* The source view uses a different design for the sidebar toggle, and doesn't have a topbar, @@ -2897,6 +2918,7 @@ by default. --settings-button-border-focus: #717171; --sidebar-background-color: #f5f5f5; --sidebar-background-color-hover: #e0e0e0; + --sidebar-border-color: #ddd; --code-block-background-color: #f5f5f5; --scrollbar-track-background-color: #dcdcdc; --scrollbar-thumb-background-color: rgba(36, 37, 39, 0.6); @@ -3002,6 +3024,7 @@ by default. --settings-button-border-focus: #ffb900; --sidebar-background-color: #505050; --sidebar-background-color-hover: #676767; + --sidebar-border-color: #999; --code-block-background-color: #2A2A2A; --scrollbar-track-background-color: #717171; --scrollbar-thumb-background-color: rgba(32, 34, 37, .6); @@ -3114,6 +3137,7 @@ Original by Dempfi (https://github.com/dempfi/ayu) --settings-button-border-focus: #e0e0e0; --sidebar-background-color: #14191f; --sidebar-background-color-hover: rgba(70, 70, 70, 0.33); + --sidebar-border-color: #5c6773; --code-block-background-color: #191f26; --scrollbar-track-background-color: transparent; --scrollbar-thumb-background-color: #5c6773; diff --git a/src/librustdoc/html/templates/page.html b/src/librustdoc/html/templates/page.html index 5ef376f4acb..7af99e7097c 100644 --- a/src/librustdoc/html/templates/page.html +++ b/src/librustdoc/html/templates/page.html @@ -114,7 +114,7 @@ {% endif %} {{ sidebar|safe }} </nav> {# #} - <div class="sidebar-resizer"></div> {# #} + <div class="sidebar-resizer" title="Drag to resize sidebar"></div> {# #} <main> {% if page.css_class != "src" %}<div class="width-limiter">{% endif %} {# defined in storage.js to avoid duplicating complex UI across every page #} diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index d40498f9de2..001668c54a7 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -11,7 +11,6 @@ #![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)] @@ -74,9 +73,11 @@ extern crate tikv_jemalloc_sys as jemalloc_sys; use std::env::{self, VarError}; use std::io::{self, IsTerminal}; +use std::path::Path; use std::process; use rustc_errors::DiagCtxtHandle; +use rustc_hir::def_id::LOCAL_CRATE; use rustc_interface::interface; use rustc_middle::ty::TyCtxt; use rustc_session::config::{ErrorOutputType, RustcOptGroup, make_crate_type_option}; @@ -655,9 +656,9 @@ fn opts() -> Vec<RustcOptGroup> { Unstable, Multi, "", - "doctest-compilation-args", - "", - "add arguments to be used when compiling doctests", + "doctest-build-arg", + "One argument (of possibly many) to be used when compiling doctests", + "ARG", ), opt( Unstable, @@ -905,6 +906,10 @@ fn main_args(early_dcx: &mut EarlyDiagCtxt, at_args: &[String]) { rustc_interface::passes::write_dep_info(tcx); } + if let Some(metrics_dir) = &sess.opts.unstable_opts.metrics_dir { + dump_feature_usage_metrics(tcx, metrics_dir); + } + if run_check { // Since we're in "check" mode, no need to generate anything beyond this point. return; @@ -924,3 +929,16 @@ fn main_args(early_dcx: &mut EarlyDiagCtxt, at_args: &[String]) { }) }) } + +fn dump_feature_usage_metrics(tcxt: TyCtxt<'_>, metrics_dir: &Path) { + let hash = tcxt.crate_hash(LOCAL_CRATE); + let crate_name = tcxt.crate_name(LOCAL_CRATE); + let metrics_file_name = format!("unstable_feature_usage_metrics-{crate_name}-{hash}.json"); + let metrics_path = metrics_dir.join(metrics_file_name); + if let Err(error) = tcxt.features().dump_feature_usage_metrics(metrics_path) { + // FIXME(yaahc): once metrics can be enabled by default we will want "failure to emit + // default metrics" to only produce a warning when metrics are enabled by default and emit + // an error only when the user manually enables metrics + tcxt.dcx().err(format!("cannot emit feature usage metrics: {error}")); + } +} diff --git a/src/llvm-project b/src/llvm-project -Subproject 8448283b4bd34ea00d76fd4f18ec730b549d6e1 +Subproject c1118fdbb3024157df7f4cfe765f2b0b4339e8a diff --git a/src/stage0 b/src/stage0 index 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+dist/2025-05-12/rustc-nightly-x86_64-unknown-linux-gnu.tar.gz=b264a719d90f6842e3cbc8dc7d74ec356328f0a94cca279795ada5f4b22c54ed +dist/2025-05-12/rustc-nightly-x86_64-unknown-linux-gnu.tar.xz=fbe22ac8c9995feac7b13f92b8d4c16fc1cdfb4a15c06e127420762db0198443 +dist/2025-05-12/rustc-nightly-x86_64-unknown-linux-musl.tar.gz=48cf6d33fdba4e38dcc19710efd24eb863fe13bbca634e0ca02fc1647255bd6a +dist/2025-05-12/rustc-nightly-x86_64-unknown-linux-musl.tar.xz=7767dd1b6baf7065dfc74b4e9ce4c200616294ecd664243c6fe756522fb4a328 +dist/2025-05-12/rustc-nightly-x86_64-unknown-netbsd.tar.gz=bde7b39870fbce418257278ae56159af3f80f1688efd01d6d52b16127fd0b64a +dist/2025-05-12/rustc-nightly-x86_64-unknown-netbsd.tar.xz=6018c06dda8f5a0ff5ef7754bf2e8692b2dfd48be525d896261aea27d682f4e5 diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 7918c7eb59614c39f1c4e27e99d557720976bdd +Subproject 47c911e9e6f6461f90ce19142031fe16876a3b9 diff --git a/src/tools/clippy/.github/workflows/clippy_changelog.yml b/src/tools/clippy/.github/workflows/clippy_changelog.yml index 1e97154bf8a..4d84d6b6dae 100644 --- a/src/tools/clippy/.github/workflows/clippy_changelog.yml +++ b/src/tools/clippy/.github/workflows/clippy_changelog.yml @@ -15,27 +15,18 @@ jobs: changelog: runs-on: ubuntu-latest - defaults: - run: - shell: bash - steps: # Run - name: Check Changelog if: ${{ github.event_name == 'pull_request' }} run: | - body=$(curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" -s "https://api.github.com/repos/${{ github.repository }}/pulls/$PR_NUMBER" | \ - python -c "import sys, json; print(json.load(sys.stdin)['body'])") - output=$(awk '/^changelog:\s*\S/ && !/changelog: \[.*\]: your change/' <<< "$body" | sed "s/changelog:\s*//g") - if [ -z "$output" ]; then - echo "ERROR: pull request message must contain 'changelog: ...' with your changelog. Please add it." + if [[ -z $(grep -oP 'changelog: *\K\S+' <<< "$PR_BODY") ]]; then + echo "::error::Pull request message must contain 'changelog: ...' with your changelog. Please add it." exit 1 - else - echo "changelog: $output" fi env: - PYTHONIOENCODING: 'utf-8' - PR_NUMBER: '${{ github.event.number }}' + PR_BODY: ${{ github.event.pull_request.body }}) + # We need to have the "conclusion" job also on PR CI, to make it possible # to add PRs to a merge queue. diff --git a/src/tools/clippy/CHANGELOG.md b/src/tools/clippy/CHANGELOG.md index 2b62c9a59aa..28147dfbea3 100644 --- a/src/tools/clippy/CHANGELOG.md +++ b/src/tools/clippy/CHANGELOG.md @@ -6,7 +6,105 @@ document. ## Unreleased / Beta / In Rust Nightly -[3e3715c3...master](https://github.com/rust-lang/rust-clippy/compare/3e3715c3...master) +[1e5237f4...master](https://github.com/rust-lang/rust-clippy/compare/1e5237f4...master) + +## Rust 1.87 + +Current stable, released 2025-05-15 + +[View all 127 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2025-02-06T14%3A54%3A28Z..2025-03-20T20%3A07%3A53Z+base%3Amaster) + +### New Lints + +* Added [`doc_comment_double_space_linebreaks`] to `pedantic` [#12876](https://github.com/rust-lang/rust-clippy/pull/12876) +* Added [`manual_midpoint`] to `pedantic` [#13851](https://github.com/rust-lang/rust-clippy/pull/13851) +* Added [`io_other_error`] to `style` [#14022](https://github.com/rust-lang/rust-clippy/pull/14022) +* Added [`owned_cow`] to `pedantic` [#13948](https://github.com/rust-lang/rust-clippy/pull/13948) +* Added [`manual_contains`] to `perf` [#13817](https://github.com/rust-lang/rust-clippy/pull/13817) +* Added [`unnecessary_debug_formatting`] to `pedantic` [#13893](https://github.com/rust-lang/rust-clippy/pull/13893) +* Added [`elidable_lifetime_names`] to `pedantic` [#13960](https://github.com/rust-lang/rust-clippy/pull/13960) +* Added [`mem_replace_option_with_some`] to `style` [#14197](https://github.com/rust-lang/rust-clippy/pull/14197) +* Added [`unbuffered_bytes`] to `perf` [#14089](https://github.com/rust-lang/rust-clippy/pull/14089) +* Added [`single_option_map`] to `nursery` [#14033](https://github.com/rust-lang/rust-clippy/pull/14033) + +### Moves and Deprecations + +* Moved [`comparison_chain`] to `pedantic` (from `style`) + [#14219](https://github.com/rust-lang/rust-clippy/pull/14219) +* Moved [`manual_ok_or`] to `style` (from `pedantic`) + [#14027](https://github.com/rust-lang/rust-clippy/pull/14027) +* Deprecated [`option_map_or_err_ok`] in favor of [`manual_ok_or`] + [#14027](https://github.com/rust-lang/rust-clippy/pull/14027) + +### Enhancements + +* Add `allow_expect_in_consts` and `allow_unwrap_in_consts` configuration options to [`unwrap_used`], [`expect_used`] + [#14200](https://github.com/rust-lang/rust-clippy/pull/14200) +* Add `check-incompatible-msrv-in-tests` configuration option to [`incompatible_msrv`] + [#14279](https://github.com/rust-lang/rust-clippy/pull/14279) +* [`len_zero`] now also triggers if deref target implements `is_empty()` + [#13871](https://github.com/rust-lang/rust-clippy/pull/13871) +* [`ptr_eq`] now handles more cases, including `!=` in addition to `==` + [#14339](https://github.com/rust-lang/rust-clippy/pull/14339) +* [`struct_field_names`] now also checks private fields of public structs + [#14076](https://github.com/rust-lang/rust-clippy/pull/14076) +* [`needless_pass_by_value`] suggests using a reference on the innermost `Option` content + [#14392](https://github.com/rust-lang/rust-clippy/pull/14392) +* [`obfuscated_if_else`] now supports `then().unwrap_or_else()` and `then_some().unwrap_or_else()` + [#14165](https://github.com/rust-lang/rust-clippy/pull/14165) +* Format macros: all format-handling lints now validate `todo!` and `unimplemented!` macros + [#14266](https://github.com/rust-lang/rust-clippy/pull/14266) +* [`disallowed_methods`] now supports replacements + [#13669](https://github.com/rust-lang/rust-clippy/pull/13669) +* Added MSRV checks for several lints: + * [`question_mark`] [#14436](https://github.com/rust-lang/rust-clippy/pull/14436) + * [`repeat_vec_with_capacity`] [#14126](https://github.com/rust-lang/rust-clippy/pull/14126) + * [`manual_flatten`] [#14086](https://github.com/rust-lang/rust-clippy/pull/14086) + * [`lines_filter_map_ok`] [#14130](https://github.com/rust-lang/rust-clippy/pull/14130) + +### False Positive Fixes + +* [`missing_const_for_fn`] no longer triggers on unstable const traits [#14294](https://github.com/rust-lang/rust-clippy/pull/14294) +* [`unnecessary_to_owned`] now avoids suggesting to call `iter()` on a temporary object [#14243](https://github.com/rust-lang/rust-clippy/pull/14243) +* [`unnecessary_debug_formatting`] no longer triggers in tests [#14347](https://github.com/rust-lang/rust-clippy/pull/14347) +* [`option_if_let_else`] now handles cases when value is partially moved [#14209](https://github.com/rust-lang/rust-clippy/pull/14209) +* [`blocks_in_conditions`] no longer triggers when the condition contains a `return` [#14338](https://github.com/rust-lang/rust-clippy/pull/14338) +* [`undocumented_unsafe_blocks`] no longer triggers on trait/impl items [#13888](https://github.com/rust-lang/rust-clippy/pull/13888) +* [`manual_slice_fill`] no longer triggers due to missing index checks [#14193](https://github.com/rust-lang/rust-clippy/pull/14193) +* [`useless_asref`] no longer suggests using `.clone()` if the target type doesn't implement `Clone` [#14174](https://github.com/rust-lang/rust-clippy/pull/14174) +* [`unnecessary_safety_comment`] no longer triggers on desugared assign [#14371](https://github.com/rust-lang/rust-clippy/pull/14371) +* [`unnecessary_map_or`] no longer consumes the comparison value if it does not implement `Copy` [#14207](https://github.com/rust-lang/rust-clippy/pull/14207) +* [`let_and_return`] no longer triggers involving short-lived block temporary variables [#14180](https://github.com/rust-lang/rust-clippy/pull/14180) +* [`manual_async_fn`] no longer emits suggestions inside macros [#14142](https://github.com/rust-lang/rust-clippy/pull/14142) +* [`use_self`] skips analysis inside macro expansions of a `impl Self` block [#13128](https://github.com/rust-lang/rust-clippy/pull/13128) +* [`double_ended_iterator_last`] no longer triggers on non-reference immutable receiver [#14140](https://github.com/rust-lang/rust-clippy/pull/14140) + +### ICE Fixes + +* [`macro_use_imports`] Fix ICE when checking attributes + [#14317](https://github.com/rust-lang/rust-clippy/pull/14317) +* [`doc_nested_refdefs`] Fix ICE by avoiding invalid ranges + [#14308](https://github.com/rust-lang/rust-clippy/pull/14308) +* [`just_underscores_and_digits`] Fix ICE in error recovery scenario + [#14168](https://github.com/rust-lang/rust-clippy/pull/14168) +* [`declare_interior_mutable_const`], [`borrow_interior_mutable_const`] Fix ICE by properly resolving `<T as Trait>::AssocT` projections + [#14125](https://github.com/rust-lang/rust-clippy/pull/14125) + +### Documentation Improvements + +* [`struct_excessive_bools`] Documentation improved with rationale + [#14351](https://github.com/rust-lang/rust-clippy/pull/14351) + +### Others + +* Use edition=2021 in `rustc_tools_util` + [#14211](https://github.com/rust-lang/rust-clippy/pull/14211) +* Fix rustc_tools_util's `version.host_compiler` release channel, expose the rustc version, and add tests + [#14123](https://github.com/rust-lang/rust-clippy/pull/14123) +* Make UI test annotations mandatory + [#11421](https://github.com/rust-lang/rust-clippy/pull/11421) + [#14388](https://github.com/rust-lang/rust-clippy/pull/14388) + [#14393](https://github.com/rust-lang/rust-clippy/pull/14393) ## Rust 1.86 @@ -5583,6 +5681,7 @@ Released 2018-09-13 [`clone_on_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy [`clone_on_ref_ptr`]: https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_ref_ptr [`cloned_instead_of_copied`]: https://rust-lang.github.io/rust-clippy/master/index.html#cloned_instead_of_copied +[`cloned_ref_to_slice_refs`]: https://rust-lang.github.io/rust-clippy/master/index.html#cloned_ref_to_slice_refs [`cmp_nan`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_nan [`cmp_null`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null [`cmp_owned`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned @@ -5594,6 +5693,7 @@ Released 2018-09-13 [`collection_is_never_read`]: https://rust-lang.github.io/rust-clippy/master/index.html#collection_is_never_read [`comparison_chain`]: https://rust-lang.github.io/rust-clippy/master/index.html#comparison_chain [`comparison_to_empty`]: https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty +[`confusing_method_to_numeric_cast`]: https://rust-lang.github.io/rust-clippy/master/index.html#confusing_method_to_numeric_cast [`const_is_empty`]: https://rust-lang.github.io/rust-clippy/master/index.html#const_is_empty [`const_static_lifetime`]: https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [`copy_iterator`]: https://rust-lang.github.io/rust-clippy/master/index.html#copy_iterator @@ -6383,6 +6483,7 @@ Released 2018-09-13 [`accept-comment-above-statement`]: https://doc.rust-lang.org/clippy/lint_configuration.html#accept-comment-above-statement [`allow-comparison-to-zero`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-comparison-to-zero [`allow-dbg-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-dbg-in-tests +[`allow-exact-repetitions`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-exact-repetitions [`allow-expect-in-consts`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-expect-in-consts [`allow-expect-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-expect-in-tests [`allow-indexing-slicing-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-indexing-slicing-in-tests @@ -6435,6 +6536,7 @@ Released 2018-09-13 [`max-suggested-slice-pattern-length`]: https://doc.rust-lang.org/clippy/lint_configuration.html#max-suggested-slice-pattern-length [`max-trait-bounds`]: https://doc.rust-lang.org/clippy/lint_configuration.html#max-trait-bounds [`min-ident-chars-threshold`]: https://doc.rust-lang.org/clippy/lint_configuration.html#min-ident-chars-threshold +[`missing-docs-allow-unused`]: https://doc.rust-lang.org/clippy/lint_configuration.html#missing-docs-allow-unused [`missing-docs-in-crate-items`]: https://doc.rust-lang.org/clippy/lint_configuration.html#missing-docs-in-crate-items [`module-item-order-groupings`]: https://doc.rust-lang.org/clippy/lint_configuration.html#module-item-order-groupings [`module-items-ordered-within-groupings`]: https://doc.rust-lang.org/clippy/lint_configuration.html#module-items-ordered-within-groupings diff --git a/src/tools/clippy/CONTRIBUTING.md b/src/tools/clippy/CONTRIBUTING.md index 3b33f719063..45ba2f078be 100644 --- a/src/tools/clippy/CONTRIBUTING.md +++ b/src/tools/clippy/CONTRIBUTING.md @@ -77,7 +77,7 @@ debugging to find the actual problem behind the issue. [`T-middle`] issues can be more involved and require verifying types. The [`ty`] module contains a lot of methods that are useful, though one of the most useful would be `expr_ty` (gives the type of -an AST expression). `match_def_path()` in Clippy's `utils` module can also be useful. +an AST expression). [`good-first-issue`]: https://github.com/rust-lang/rust-clippy/labels/good-first-issue [`S-inactive-closed`]: https://github.com/rust-lang/rust-clippy/pulls?q=is%3Aclosed+label%3AS-inactive-closed diff --git a/src/tools/clippy/Cargo.toml b/src/tools/clippy/Cargo.toml index 1cfc1c196c0..c7c06afb612 100644 --- a/src/tools/clippy/Cargo.toml +++ b/src/tools/clippy/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "clippy" # begin autogenerated version -version = "0.1.88" +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" @@ -28,7 +28,7 @@ clippy_lints = { path = "clippy_lints" } clippy_utils = { path = "clippy_utils" } rustc_tools_util = { path = "rustc_tools_util", version = "0.4.2" } clippy_lints_internal = { path = "clippy_lints_internal", optional = true } -tempfile = { version = "3.3", optional = true } +tempfile = { version = "3.20", optional = true } termize = "0.1" color-print = "0.3.4" anstream = "0.6.18" @@ -47,7 +47,6 @@ pulldown-cmark = { version = "0.11", default-features = false, features = ["html askama = { version = "0.13", default-features = false, features = ["alloc", "config", "derive"] } # UI test dependencies -clippy_utils = { path = "clippy_utils" } if_chain = "1.0" quote = "1.0.25" syn = { version = "2.0", features = ["full"] } diff --git a/src/tools/clippy/book/src/development/adding_lints.md b/src/tools/clippy/book/src/development/adding_lints.md index e5e82ede4fd..2b89e94cf8f 100644 --- a/src/tools/clippy/book/src/development/adding_lints.md +++ b/src/tools/clippy/book/src/development/adding_lints.md @@ -416,7 +416,7 @@ In our example, `is_foo_fn` looks like: fn is_foo_fn(fn_kind: FnKind<'_>) -> bool { match fn_kind { - FnKind::Fn(_, ident, ..) => { + FnKind::Fn(_, _, Fn { ident, .. }) => { // check if `fn` name is `foo` ident.name.as_str() == "foo" } diff --git a/src/tools/clippy/book/src/development/basics.md b/src/tools/clippy/book/src/development/basics.md index 4219724ed5d..cdbbe76bdb0 100644 --- a/src/tools/clippy/book/src/development/basics.md +++ b/src/tools/clippy/book/src/development/basics.md @@ -145,42 +145,32 @@ unclear to you. If you are hacking on Clippy and want to install it from source, do the following: -First, take note of the toolchain -[override](https://rust-lang.github.io/rustup/overrides.html) in -`/rust-toolchain.toml`. We will use this override to install Clippy into the right -toolchain. - -> Tip: You can view the active toolchain for the current directory with `rustup -> show active-toolchain`. - From the Clippy project root, run the following command to build the Clippy -binaries and copy them into the toolchain directory. This will override the -currently installed Clippy component. +binaries and copy them into the toolchain directory. This will create a new +toolchain called `clippy` by default, see `cargo dev setup toolchain --help` +for other options. ```terminal -cargo build --release --bin cargo-clippy --bin clippy-driver -Zunstable-options --out-dir "$(rustc --print=sysroot)/bin" +cargo dev setup toolcahin ``` -Now you may run `cargo clippy` in any project, using the toolchain where you -just installed Clippy. +Now you may run `cargo +clippy clippy` in any project using the new toolchain. ```terminal cd my-project -cargo +nightly-2021-07-01 clippy +cargo +clippy clippy ``` ...or `clippy-driver` ```terminal -clippy-driver +nightly-2021-07-01 <filename> +clippy-driver +clippy <filename> ``` -If you need to restore the default Clippy installation, run the following (from -the Clippy project root). +If you no longer need the toolchain it can be uninstalled using `rustup`: ```terminal -rustup component remove clippy -rustup component add clippy +rustup toolchain uninstall clippy ``` > **DO NOT** install using `cargo install --path . --force` since this will diff --git a/src/tools/clippy/book/src/development/common_tools_writing_lints.md b/src/tools/clippy/book/src/development/common_tools_writing_lints.md index 2e39f279eae..e23b32039c9 100644 --- a/src/tools/clippy/book/src/development/common_tools_writing_lints.md +++ b/src/tools/clippy/book/src/development/common_tools_writing_lints.md @@ -86,7 +86,7 @@ arguments have to be checked separately. ```rust use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; -use clippy_utils::{paths, match_def_path}; +use clippy_utils::paths; use rustc_span::symbol::sym; use rustc_hir::LangItem; @@ -108,7 +108,7 @@ impl LateLintPass<'_> for MyStructLint { // 3. Using the type path // This method should be avoided if possible - if match_def_path(cx, def_id, &paths::RESULT) { + if paths::RESULT.matches_ty(cx, ty) { // The type is a `core::result::Result` } } diff --git a/src/tools/clippy/book/src/development/infrastructure/changelog_update.md b/src/tools/clippy/book/src/development/infrastructure/changelog_update.md index 2b2c096b049..eede6b78d92 100644 --- a/src/tools/clippy/book/src/development/infrastructure/changelog_update.md +++ b/src/tools/clippy/book/src/development/infrastructure/changelog_update.md @@ -51,7 +51,9 @@ Once you've got the correct commit range, run util/fetch_prs_between.sh commit1 commit2 > changes.txt ``` -and open that file in your editor of choice. +where `commit2` is the commit hash from the previous command and `commit1` +is the commit hash from the current CHANGELOG file. +Open `changes.txt` file in your editor of choice. When updating the changelog it's also a good idea to make sure that `commit1` is already correct in the current changelog. @@ -60,8 +62,8 @@ already correct in the current changelog. The above script should have dumped all the relevant PRs to the file you specified. It should have filtered out most of the irrelevant PRs already, but -it's a good idea to do a manual cleanup pass where you look for more irrelevant -PRs. If you're not sure about some PRs, just leave them in for the review and +it's a good idea to do a manual cleanup pass and choose valuable PRs. +If you're not sure about some PRs, just leave them in for the review and ask for feedback. With the PRs filtered, you can start to take each PR and move the `changelog: ` @@ -74,10 +76,9 @@ The order should roughly be: 2. Moves or deprecations of lints 3. Changes that expand what code existing lints cover 4. False positive fixes -5. Suggestion fixes/improvements -6. ICE fixes -7. Documentation improvements -8. Others +5. ICE fixes +6. Documentation improvements +7. Others As section headers, we use: @@ -91,7 +92,6 @@ As section headers, we use: ### Enhancements ### False Positive Fixes -### Suggestion Fixes/Improvements ### ICE Fixes ### Documentation Improvements ### Others @@ -112,7 +112,16 @@ that label in the changelog. If you can, remove the `beta-accepted` labels ### 4. Update `clippy::version` attributes Next, make sure to check that the `#[clippy::version]` attributes for the added -lints contain the correct version. +lints contain the correct version. +In order to find lints that need a version update, go through the lints in the +"New Lints" section and run the following command for each lint name: + +``` +grep -rB1 "pub $LINT_NAME" . +``` + +The version shown should match the version of the release the changelog is +written for. If not, update the version to the changelog version. [changelog]: https://github.com/rust-lang/rust-clippy/blob/master/CHANGELOG.md [forge]: https://forge.rust-lang.org/ diff --git a/src/tools/clippy/book/src/development/trait_checking.md b/src/tools/clippy/book/src/development/trait_checking.md index b7d229ccc19..cc4eb966f59 100644 --- a/src/tools/clippy/book/src/development/trait_checking.md +++ b/src/tools/clippy/book/src/development/trait_checking.md @@ -73,22 +73,24 @@ impl LateLintPass<'_> for CheckDropTraitLint { ## Using Type Path If neither diagnostic item nor a language item is available, we can use -[`clippy_utils::paths`][paths] with the `match_trait_method` to determine trait -implementation. +[`clippy_utils::paths`][paths] to determine get a trait's `DefId`. > **Note**: This approach should be avoided if possible, the best thing to do would be to make a PR to [`rust-lang/rust`][rust] adding a diagnostic item. -Below, we check if the given `expr` implements the `Iterator`'s trait method `cloned` : +Below, we check if the given `expr` implements [`core::iter::Step`](https://doc.rust-lang.org/std/iter/trait.Step.html): ```rust -use clippy_utils::{match_trait_method, paths}; +use clippy_utils::{implements_trait, paths}; use rustc_hir::Expr; use rustc_lint::{LateContext, LateLintPass}; -impl LateLintPass<'_> for CheckTokioAsyncReadExtTrait { +impl LateLintPass<'_> for CheckIterStep { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { - if match_trait_method(cx, expr, &paths::CORE_ITER_CLONED) { - println!("`expr` implements `CORE_ITER_CLONED` trait!"); + let ty = cx.typeck_results().expr_ty(expr); + if let Some(trait_def_id) = paths::ITER_STEP.first(cx) + && implements_trait(cx, ty, trait_def_id, &[]) + { + println!("`expr` implements the `core::iter::Step` trait!"); } } } diff --git a/src/tools/clippy/book/src/lint_configuration.md b/src/tools/clippy/book/src/lint_configuration.md index 2314d1beac7..0db4182dbcd 100644 --- a/src/tools/clippy/book/src/lint_configuration.md +++ b/src/tools/clippy/book/src/lint_configuration.md @@ -71,6 +71,16 @@ Whether `dbg!` should be allowed in test functions or `#[cfg(test)]` * [`dbg_macro`](https://rust-lang.github.io/rust-clippy/master/index.html#dbg_macro) +## `allow-exact-repetitions` +Whether an item should be allowed to have the same name as its containing module + +**Default Value:** `true` + +--- +**Affected lints:** +* [`module_name_repetitions`](https://rust-lang.github.io/rust-clippy/master/index.html#module_name_repetitions) + + ## `allow-expect-in-consts` Whether `expect` should be allowed in code always evaluated at compile time @@ -734,6 +744,16 @@ Minimum chars an ident can have, anything below or equal to this will be linted. * [`min_ident_chars`](https://rust-lang.github.io/rust-clippy/master/index.html#min_ident_chars) +## `missing-docs-allow-unused` +Whether to allow fields starting with an underscore to skip documentation requirements + +**Default Value:** `false` + +--- +**Affected lints:** +* [`missing_docs_in_private_items`](https://rust-lang.github.io/rust-clippy/master/index.html#missing_docs_in_private_items) + + ## `missing-docs-in-crate-items` Whether to **only** check for missing documentation in items visible within the current crate. For example, `pub(crate)` items. @@ -839,6 +859,7 @@ The minimum rust version that the project supports. Defaults to the `rust-versio * [`same_item_push`](https://rust-lang.github.io/rust-clippy/master/index.html#same_item_push) * [`seek_from_current`](https://rust-lang.github.io/rust-clippy/master/index.html#seek_from_current) * [`seek_rewind`](https://rust-lang.github.io/rust-clippy/master/index.html#seek_rewind) +* [`to_digit_is_some`](https://rust-lang.github.io/rust-clippy/master/index.html#to_digit_is_some) * [`transmute_ptr_to_ref`](https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref) * [`tuple_array_conversions`](https://rust-lang.github.io/rust-clippy/master/index.html#tuple_array_conversions) * [`type_repetition_in_bounds`](https://rust-lang.github.io/rust-clippy/master/index.html#type_repetition_in_bounds) diff --git a/src/tools/clippy/clippy.toml b/src/tools/clippy/clippy.toml index 0a7724bbe4e..77573105d86 100644 --- a/src/tools/clippy/clippy.toml +++ b/src/tools/clippy/clippy.toml @@ -7,14 +7,11 @@ lint-commented-code = true [[disallowed-methods]] path = "rustc_lint::context::LintContext::lint" reason = "this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint*` functions instead" -allow-invalid = true [[disallowed-methods]] path = "rustc_lint::context::LintContext::span_lint" reason = "this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint*` functions instead" -allow-invalid = true [[disallowed-methods]] path = "rustc_middle::ty::context::TyCtxt::node_span_lint" reason = "this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint_hir*` functions instead" -allow-invalid = true diff --git a/src/tools/clippy/clippy_config/Cargo.toml b/src/tools/clippy/clippy_config/Cargo.toml index 93fd2e35d1b..1134b0e97af 100644 --- a/src/tools/clippy/clippy_config/Cargo.toml +++ b/src/tools/clippy/clippy_config/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "clippy_config" # begin autogenerated version -version = "0.1.88" +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 511cb84527d..ad0aea39d41 100644 --- a/src/tools/clippy/clippy_config/src/conf.rs +++ b/src/tools/clippy/clippy_config/src/conf.rs @@ -360,6 +360,9 @@ define_Conf! { /// Whether `dbg!` should be allowed in test functions or `#[cfg(test)]` #[lints(dbg_macro)] allow_dbg_in_tests: bool = false, + /// Whether an item should be allowed to have the same name as its containing module + #[lints(module_name_repetitions)] + allow_exact_repetitions: bool = true, /// Whether `expect` should be allowed in code always evaluated at compile time #[lints(expect_used)] allow_expect_in_consts: bool = true, @@ -675,6 +678,9 @@ define_Conf! { /// Minimum chars an ident can have, anything below or equal to this will be linted. #[lints(min_ident_chars)] min_ident_chars_threshold: u64 = 1, + /// Whether to allow fields starting with an underscore to skip documentation requirements + #[lints(missing_docs_in_private_items)] + missing_docs_allow_unused: bool = false, /// Whether to **only** check for missing documentation in items visible within the current /// crate. For example, `pub(crate)` items. #[lints(missing_docs_in_private_items)] @@ -756,6 +762,7 @@ define_Conf! { same_item_push, seek_from_current, seek_rewind, + to_digit_is_some, transmute_ptr_to_ref, tuple_array_conversions, type_repetition_in_bounds, diff --git a/src/tools/clippy/clippy_config/src/lib.rs b/src/tools/clippy/clippy_config/src/lib.rs index c227b8900b7..67904b4fcdc 100644 --- a/src/tools/clippy/clippy_config/src/lib.rs +++ b/src/tools/clippy/clippy_config/src/lib.rs @@ -1,4 +1,4 @@ -#![feature(rustc_private, array_windows, let_chains)] +#![feature(rustc_private)] #![warn( trivial_casts, trivial_numeric_casts, @@ -12,6 +12,7 @@ rustc::diagnostic_outside_of_impl, rustc::untranslatable_diagnostic )] +#![deny(clippy::derive_deserialize_allowing_unknown)] extern crate rustc_data_structures; extern crate rustc_errors; diff --git a/src/tools/clippy/clippy_config/src/types.rs b/src/tools/clippy/clippy_config/src/types.rs index 5949eaca7bc..f64eefa0c23 100644 --- a/src/tools/clippy/clippy_config/src/types.rs +++ b/src/tools/clippy/clippy_config/src/types.rs @@ -1,16 +1,18 @@ +use clippy_utils::paths::{PathNS, find_crates, lookup_path}; use rustc_data_structures::fx::FxHashMap; use rustc_errors::{Applicability, Diag}; use rustc_hir::PrimTy; -use rustc_hir::def::{DefKind, Res}; +use rustc_hir::def::DefKind; use rustc_hir::def_id::DefIdMap; use rustc_middle::ty::TyCtxt; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use serde::de::{self, Deserializer, Visitor}; use serde::{Deserialize, Serialize, ser}; use std::collections::HashMap; use std::fmt; #[derive(Debug, Deserialize)] +#[serde(deny_unknown_fields)] pub struct Rename { pub path: String, pub rename: String, @@ -58,7 +60,7 @@ impl<'de, const REPLACEMENT_ALLOWED: bool> Deserialize<'de> for DisallowedPath<R // `DisallowedPathEnum` is an implementation detail to enable the `Deserialize` implementation just // above. `DisallowedPathEnum` is not meant to be used outside of this file. #[derive(Debug, Deserialize, Serialize)] -#[serde(untagged)] +#[serde(untagged, deny_unknown_fields)] enum DisallowedPathEnum { Simple(String), WithReason { @@ -133,6 +135,7 @@ impl DisallowedPathEnum { pub fn create_disallowed_map<const REPLACEMENT_ALLOWED: bool>( tcx: TyCtxt<'_>, disallowed_paths: &'static [DisallowedPath<REPLACEMENT_ALLOWED>], + ns: PathNS, def_kind_predicate: impl Fn(DefKind) -> bool, predicate_description: &str, allow_prim_tys: bool, @@ -145,57 +148,47 @@ pub fn create_disallowed_map<const REPLACEMENT_ALLOWED: bool>( FxHashMap::default(); for disallowed_path in disallowed_paths { let path = disallowed_path.path(); - let mut resolutions = clippy_utils::def_path_res(tcx, &path.split("::").collect::<Vec<_>>()); - - let mut found_def_id = None; - let mut found_prim_ty = false; - resolutions.retain(|res| match res { - Res::Def(def_kind, def_id) => { - found_def_id = Some(*def_id); - def_kind_predicate(*def_kind) - }, - Res::PrimTy(_) => { - found_prim_ty = true; - allow_prim_tys - }, - _ => false, - }); - - if resolutions.is_empty() { - let span = disallowed_path.span(); - - if let Some(def_id) = found_def_id { - tcx.sess.dcx().span_warn( - span, - format!( - "expected a {predicate_description}, found {} {}", - tcx.def_descr_article(def_id), - tcx.def_descr(def_id) - ), - ); + let sym_path: Vec<Symbol> = path.split("::").map(Symbol::intern).collect(); + let mut resolutions = lookup_path(tcx, ns, &sym_path); + resolutions.retain(|&def_id| def_kind_predicate(tcx.def_kind(def_id))); + + let (prim_ty, found_prim_ty) = if let &[name] = sym_path.as_slice() + && let Some(prim) = PrimTy::from_name(name) + { + (allow_prim_tys.then_some(prim), true) + } else { + (None, false) + }; + + if resolutions.is_empty() + && prim_ty.is_none() + && !disallowed_path.allow_invalid + // Don't warn about unloaded crates: + // https://github.com/rust-lang/rust-clippy/pull/14397#issuecomment-2848328221 + && (sym_path.len() < 2 || !find_crates(tcx, sym_path[0]).is_empty()) + { + // Relookup the path in an arbitrary namespace to get a good `expected, found` message + let found_def_ids = lookup_path(tcx, PathNS::Arbitrary, &sym_path); + let message = if let Some(&def_id) = found_def_ids.first() { + let (article, description) = tcx.article_and_description(def_id); + format!("expected a {predicate_description}, found {article} {description}") } else if found_prim_ty { - tcx.sess.dcx().span_warn( - span, - format!("expected a {predicate_description}, found a primitive type",), - ); - } else if !disallowed_path.allow_invalid { - tcx.sess.dcx().span_warn( - span, - format!("`{path}` does not refer to an existing {predicate_description}"), - ); - } + format!("expected a {predicate_description}, found a primitive type") + } else { + format!("`{path}` does not refer to a reachable {predicate_description}") + }; + tcx.sess + .dcx() + .struct_span_warn(disallowed_path.span(), message) + .with_help("add `allow-invalid = true` to the entry to suppress this warning") + .emit(); } - for res in resolutions { - match res { - Res::Def(_, def_id) => { - def_ids.insert(def_id, (path, disallowed_path)); - }, - Res::PrimTy(ty) => { - prim_tys.insert(ty, (path, disallowed_path)); - }, - _ => unreachable!(), - } + for def_id in resolutions { + def_ids.insert(def_id, (path, disallowed_path)); + } + if let Some(ty) = prim_ty { + prim_tys.insert(ty, (path, disallowed_path)); } } diff --git a/src/tools/clippy/clippy_dev/src/deprecate_lint.rs b/src/tools/clippy/clippy_dev/src/deprecate_lint.rs new file mode 100644 index 00000000000..bf0e7771046 --- /dev/null +++ b/src/tools/clippy/clippy_dev/src/deprecate_lint.rs @@ -0,0 +1,174 @@ +use crate::update_lints::{ + DeprecatedLint, DeprecatedLints, Lint, find_lint_decls, generate_lint_files, read_deprecated_lints, +}; +use crate::utils::{UpdateMode, Version}; +use std::ffi::OsStr; +use std::path::{Path, PathBuf}; +use std::{fs, io}; + +/// Runs the `deprecate` command +/// +/// This does the following: +/// * Adds an entry to `deprecated_lints.rs`. +/// * Removes the lint declaration (and the entire file if applicable) +/// +/// # Panics +/// +/// 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..]; + + 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 { + eprintln!("error: failed to find lint `{name}`"); + return; + }; + + let mod_path = { + let mut mod_path = PathBuf::from(format!("clippy_lints/src/{}", lint.module)); + if mod_path.is_dir() { + mod_path = mod_path.join("mod"); + } + + mod_path.set_extension("rs"); + 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(), + }); + + 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"); + } else { + eprintln!("error: lint not found"); + } +} + +fn remove_lint_declaration(name: &str, path: &Path, lints: &mut Vec<Lint>) -> io::Result<bool> { + fn remove_lint(name: &str, lints: &mut Vec<Lint>) { + lints.iter().position(|l| l.name == name).map(|pos| lints.remove(pos)); + } + + fn remove_test_assets(name: &str) { + let test_file_stem = format!("tests/ui/{name}"); + let path = Path::new(&test_file_stem); + + // Some lints have their own directories, delete them + if path.is_dir() { + let _ = fs::remove_dir_all(path); + return; + } + + // Remove all related test files + let _ = fs::remove_file(path.with_extension("rs")); + let _ = fs::remove_file(path.with_extension("stderr")); + let _ = fs::remove_file(path.with_extension("fixed")); + } + + fn remove_impl_lint_pass(lint_name_upper: &str, content: &mut String) { + let impl_lint_pass_start = content.find("impl_lint_pass!").unwrap_or_else(|| { + content + .find("declare_lint_pass!") + .unwrap_or_else(|| panic!("failed to find `impl_lint_pass`")) + }); + let mut impl_lint_pass_end = content[impl_lint_pass_start..] + .find(']') + .expect("failed to find `impl_lint_pass` terminator"); + + impl_lint_pass_end += impl_lint_pass_start; + if let Some(lint_name_pos) = content[impl_lint_pass_start..impl_lint_pass_end].find(lint_name_upper) { + let mut lint_name_end = impl_lint_pass_start + (lint_name_pos + lint_name_upper.len()); + for c in content[lint_name_end..impl_lint_pass_end].chars() { + // Remove trailing whitespace + if c == ',' || c.is_whitespace() { + lint_name_end += 1; + } else { + break; + } + } + + content.replace_range(impl_lint_pass_start + lint_name_pos..lint_name_end, ""); + } + } + + if path.exists() + && let Some(lint) = lints.iter().find(|l| l.name == name) + { + if lint.module == name { + // The lint name is the same as the file, we can just delete the entire file + fs::remove_file(path)?; + } else { + // We can't delete the entire file, just remove the declaration + + if let Some(Some("mod.rs")) = path.file_name().map(OsStr::to_str) { + // Remove clippy_lints/src/some_mod/some_lint.rs + let mut lint_mod_path = path.to_path_buf(); + lint_mod_path.set_file_name(name); + lint_mod_path.set_extension("rs"); + + let _ = fs::remove_file(lint_mod_path); + } + + let mut content = + fs::read_to_string(path).unwrap_or_else(|_| panic!("failed to read `{}`", path.to_string_lossy())); + + eprintln!( + "warn: you will have to manually remove any code related to `{name}` from `{}`", + path.display() + ); + + assert!( + content[lint.declaration_range.clone()].contains(&name.to_uppercase()), + "error: `{}` does not contain lint `{}`'s declaration", + path.display(), + lint.name + ); + + // Remove lint declaration (declare_clippy_lint!) + content.replace_range(lint.declaration_range.clone(), ""); + + // Remove the module declaration (mod xyz;) + let mod_decl = format!("\nmod {name};"); + content = content.replacen(&mod_decl, "", 1); + + remove_impl_lint_pass(&lint.name.to_uppercase(), &mut content); + fs::write(path, content).unwrap_or_else(|_| panic!("failed to write to `{}`", path.to_string_lossy())); + } + + remove_test_assets(name); + remove_lint(name, lints); + return Ok(true); + } + + Ok(false) +} diff --git a/src/tools/clippy/clippy_dev/src/dogfood.rs b/src/tools/clippy/clippy_dev/src/dogfood.rs index 05fa24d8d4e..7e9d92458d0 100644 --- a/src/tools/clippy/clippy_dev/src/dogfood.rs +++ b/src/tools/clippy/clippy_dev/src/dogfood.rs @@ -1,4 +1,4 @@ -use crate::utils::{clippy_project_root, exit_if_err}; +use crate::utils::exit_if_err; use std::process::Command; /// # Panics @@ -8,8 +8,7 @@ use std::process::Command; pub fn dogfood(fix: bool, allow_dirty: bool, allow_staged: bool, allow_no_vcs: bool) { let mut cmd = Command::new("cargo"); - cmd.current_dir(clippy_project_root()) - .args(["test", "--test", "dogfood"]) + cmd.args(["test", "--test", "dogfood"]) .args(["--features", "internal"]) .args(["--", "dogfood_clippy", "--nocapture"]); diff --git a/src/tools/clippy/clippy_dev/src/fmt.rs b/src/tools/clippy/clippy_dev/src/fmt.rs index bdddf46a2cb..b4c13213f55 100644 --- a/src/tools/clippy/clippy_dev/src/fmt.rs +++ b/src/tools/clippy/clippy_dev/src/fmt.rs @@ -1,4 +1,3 @@ -use crate::utils::clippy_project_root; use itertools::Itertools; use rustc_lexer::{TokenKind, tokenize}; use shell_escape::escape; @@ -104,15 +103,8 @@ fn fmt_conf(check: bool) -> Result<(), Error> { Field, } - let path: PathBuf = [ - clippy_project_root().as_path(), - "clippy_config".as_ref(), - "src".as_ref(), - "conf.rs".as_ref(), - ] - .into_iter() - .collect(); - let text = fs::read_to_string(&path)?; + let path = "clippy_config/src/conf.rs"; + let text = fs::read_to_string(path)?; let (pre, conf) = text .split_once("define_Conf! {\n") @@ -203,7 +195,7 @@ fn fmt_conf(check: bool) -> Result<(), Error> { | (State::Lints, TokenKind::Comma | TokenKind::OpenParen | TokenKind::CloseParen) => {}, _ => { return Err(Error::Parse( - path, + PathBuf::from(path), offset_to_line(&text, conf_offset + i), format!("unexpected token `{}`", &conf[i..i + t.len as usize]), )); @@ -213,7 +205,7 @@ fn fmt_conf(check: bool) -> Result<(), Error> { if !matches!(state, State::Field) { return Err(Error::Parse( - path, + PathBuf::from(path), offset_to_line(&text, conf_offset + conf.len()), "incomplete field".into(), )); @@ -260,18 +252,16 @@ fn fmt_conf(check: bool) -> Result<(), Error> { if check { return Err(Error::CheckFailed); } - fs::write(&path, new_text.as_bytes())?; + fs::write(path, new_text.as_bytes())?; } Ok(()) } fn run_rustfmt(context: &FmtContext) -> Result<(), Error> { - let project_root = clippy_project_root(); - // 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(project_root.join("Cargo.toml")) + if fs::read_to_string("Cargo.toml") .expect("Failed to read clippy Cargo.toml") .contains("[target.'cfg(NOT_A_PLATFORM)'.dependencies]") { @@ -280,12 +270,12 @@ fn run_rustfmt(context: &FmtContext) -> Result<(), Error> { check_for_rustfmt(context)?; - cargo_fmt(context, project_root.as_path())?; - cargo_fmt(context, &project_root.join("clippy_dev"))?; - cargo_fmt(context, &project_root.join("rustc_tools_util"))?; - cargo_fmt(context, &project_root.join("lintcheck"))?; + 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(project_root.join("tests")) + let chunks = WalkDir::new("tests") .into_iter() .filter_map(|entry| { let entry = entry.expect("failed to find tests"); diff --git a/src/tools/clippy/clippy_dev/src/lib.rs b/src/tools/clippy/clippy_dev/src/lib.rs index c1ffaf269c6..e237a05b253 100644 --- a/src/tools/clippy/clippy_dev/src/lib.rs +++ b/src/tools/clippy/clippy_dev/src/lib.rs @@ -1,5 +1,4 @@ -#![feature(let_chains)] -#![feature(rustc_private)] +#![feature(rustc_private, if_let_guard, let_chains)] #![warn( trivial_casts, trivial_numeric_casts, @@ -15,11 +14,13 @@ extern crate rustc_driver; extern crate rustc_lexer; extern crate rustc_literal_escaper; +pub mod deprecate_lint; pub mod dogfood; pub mod fmt; pub mod lint; pub mod new_lint; pub mod release; +pub mod rename_lint; pub mod serve; pub mod setup; pub mod sync; diff --git a/src/tools/clippy/clippy_dev/src/main.rs b/src/tools/clippy/clippy_dev/src/main.rs index 83f8e66b334..5dce0be742b 100644 --- a/src/tools/clippy/clippy_dev/src/main.rs +++ b/src/tools/clippy/clippy_dev/src/main.rs @@ -3,11 +3,18 @@ #![warn(rust_2018_idioms, unused_lifetimes)] use clap::{Args, Parser, Subcommand}; -use clippy_dev::{dogfood, fmt, lint, new_lint, release, serve, setup, sync, update_lints, utils}; +use clippy_dev::{ + deprecate_lint, dogfood, fmt, lint, new_lint, release, rename_lint, serve, setup, sync, update_lints, utils, +}; use std::convert::Infallible; +use std::env; fn main() { let dev = Dev::parse(); + let clippy = utils::ClippyInfo::search_for_manifest(); + if let Err(e) = env::set_current_dir(&clippy.path) { + panic!("error setting current directory to `{}`: {e}", clippy.path.display()); + } match dev.command { DevCommand::Bless => { @@ -20,22 +27,14 @@ fn main() { allow_no_vcs, } => dogfood::dogfood(fix, allow_dirty, allow_staged, allow_no_vcs), DevCommand::Fmt { check, verbose } => fmt::run(check, verbose), - DevCommand::UpdateLints { print_only, check } => { - if print_only { - update_lints::print_lints(); - } else if check { - update_lints::update(utils::UpdateMode::Check); - } else { - update_lints::update(utils::UpdateMode::Change); - } - }, + DevCommand::UpdateLints { check } => update_lints::update(utils::UpdateMode::from_check(check)), DevCommand::NewLint { pass, name, category, r#type, msrv, - } => match new_lint::create(pass, &name, &category, r#type.as_deref(), msrv) { + } => match new_lint::create(clippy.version, pass, &name, &category, r#type.as_deref(), msrv) { Ok(()) => update_lints::update(utils::UpdateMode::Change), Err(e) => eprintln!("Unable to create lint: {e}"), }, @@ -79,13 +78,18 @@ fn main() { old_name, new_name, uplift, - } => update_lints::rename(&old_name, new_name.as_ref().unwrap_or(&old_name), uplift), - DevCommand::Deprecate { name, reason } => update_lints::deprecate(&name, &reason), + } => rename_lint::rename( + clippy.version, + &old_name, + new_name.as_ref().unwrap_or(&old_name), + uplift, + ), + DevCommand::Deprecate { name, reason } => deprecate_lint::deprecate(clippy.version, &name, &reason), DevCommand::Sync(SyncCommand { subcommand }) => match subcommand { SyncSubcommand::UpdateNightly => sync::update_nightly(), }, DevCommand::Release(ReleaseCommand { subcommand }) => match subcommand { - ReleaseSubcommand::BumpVersion => release::bump_version(), + ReleaseSubcommand::BumpVersion => release::bump_version(clippy.version), }, } } @@ -136,11 +140,6 @@ enum DevCommand { /// * all lints are registered in the lint store UpdateLints { #[arg(long)] - /// Print a table of lints to STDOUT - /// - /// This does not include deprecated and internal lints. (Does not modify any files) - print_only: bool, - #[arg(long)] /// Checks that `cargo dev update_lints` has been run. Used on CI. check: bool, }, diff --git a/src/tools/clippy/clippy_dev/src/new_lint.rs b/src/tools/clippy/clippy_dev/src/new_lint.rs index 96e12706c9e..4121daa85e6 100644 --- a/src/tools/clippy/clippy_dev/src/new_lint.rs +++ b/src/tools/clippy/clippy_dev/src/new_lint.rs @@ -1,4 +1,4 @@ -use crate::utils::{clippy_project_root, clippy_version}; +use crate::utils::{RustSearcher, Token, Version}; use clap::ValueEnum; use indoc::{formatdoc, writedoc}; use std::fmt::{self, Write as _}; @@ -22,11 +22,11 @@ impl fmt::Display for Pass { } struct LintData<'a> { + clippy_version: Version, pass: Pass, name: &'a str, category: &'a str, ty: Option<&'a str>, - project_root: PathBuf, } trait Context { @@ -50,18 +50,25 @@ impl<T> Context for io::Result<T> { /// # Errors /// /// This function errors out if the files couldn't be created or written to. -pub fn create(pass: Pass, name: &str, category: &str, mut ty: Option<&str>, msrv: bool) -> io::Result<()> { +pub fn create( + clippy_version: Version, + pass: Pass, + name: &str, + category: &str, + mut ty: Option<&str>, + msrv: bool, +) -> io::Result<()> { if category == "cargo" && ty.is_none() { // `cargo` is a special category, these lints should always be in `clippy_lints/src/cargo` ty = Some("cargo"); } let lint = LintData { + clippy_version, pass, name, category, ty, - project_root: clippy_project_root(), }; create_lint(&lint, msrv).context("Unable to create lint implementation")?; @@ -88,7 +95,7 @@ fn create_lint(lint: &LintData<'_>, enable_msrv: bool) -> io::Result<()> { } else { let lint_contents = get_lint_file_contents(lint, enable_msrv); let lint_path = format!("clippy_lints/src/{}.rs", lint.name); - write_file(lint.project_root.join(&lint_path), lint_contents.as_bytes())?; + write_file(&lint_path, lint_contents.as_bytes())?; println!("Generated lint file: `{lint_path}`"); Ok(()) @@ -115,8 +122,7 @@ fn create_test(lint: &LintData<'_>, msrv: bool) -> io::Result<()> { } if lint.category == "cargo" { - let relative_test_dir = format!("tests/ui-cargo/{}", lint.name); - let test_dir = lint.project_root.join(&relative_test_dir); + let test_dir = format!("tests/ui-cargo/{}", lint.name); fs::create_dir(&test_dir)?; create_project_layout( @@ -134,11 +140,11 @@ fn create_test(lint: &LintData<'_>, msrv: bool) -> io::Result<()> { false, )?; - println!("Generated test directories: `{relative_test_dir}/pass`, `{relative_test_dir}/fail`"); + println!("Generated test directories: `{test_dir}/pass`, `{test_dir}/fail`"); } else { let test_path = format!("tests/ui/{}.rs", lint.name); let test_contents = get_test_file_contents(lint.name, msrv); - write_file(lint.project_root.join(&test_path), test_contents)?; + write_file(&test_path, test_contents)?; println!("Generated test file: `{test_path}`"); } @@ -193,11 +199,6 @@ fn to_camel_case(name: &str) -> String { .collect() } -pub(crate) fn get_stabilization_version() -> String { - let (minor, patch) = clippy_version(); - format!("{minor}.{patch}.0") -} - fn get_test_file_contents(lint_name: &str, msrv: bool) -> String { let mut test = formatdoc!( r" @@ -292,7 +293,11 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String { ); } - let _: fmt::Result = writeln!(result, "{}", get_lint_declaration(&name_upper, category)); + let _: fmt::Result = writeln!( + result, + "{}", + get_lint_declaration(lint.clippy_version, &name_upper, category) + ); if enable_msrv { let _: fmt::Result = writedoc!( @@ -330,7 +335,7 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String { result } -fn get_lint_declaration(name_upper: &str, category: &str) -> String { +fn get_lint_declaration(version: Version, name_upper: &str, category: &str) -> String { let justification_heading = if category == "restriction" { "Why restrict this?" } else { @@ -355,9 +360,8 @@ fn get_lint_declaration(name_upper: &str, category: &str) -> String { pub {name_upper}, {category}, "default lint description" - }} - "#, - get_stabilization_version(), + }}"#, + version.rust_display(), ) } @@ -371,7 +375,7 @@ fn create_lint_for_ty(lint: &LintData<'_>, enable_msrv: bool, ty: &str) -> io::R _ => {}, } - let ty_dir = lint.project_root.join(format!("clippy_lints/src/{ty}")); + let ty_dir = PathBuf::from(format!("clippy_lints/src/{ty}")); assert!( ty_dir.exists() && ty_dir.is_dir(), "Directory `{}` does not exist!", @@ -441,95 +445,25 @@ fn create_lint_for_ty(lint: &LintData<'_>, enable_msrv: bool, ty: &str) -> io::R #[allow(clippy::too_many_lines)] fn setup_mod_file(path: &Path, lint: &LintData<'_>) -> io::Result<&'static str> { - use super::update_lints::{LintDeclSearchResult, match_tokens}; - use rustc_lexer::TokenKind; - let lint_name_upper = lint.name.to_uppercase(); let mut file_contents = fs::read_to_string(path)?; assert!( - !file_contents.contains(&lint_name_upper), + !file_contents.contains(&format!("pub {lint_name_upper},")), "Lint `{}` already defined in `{}`", lint.name, path.display() ); - let mut offset = 0usize; - let mut last_decl_curly_offset = None; - let mut lint_context = None; - - let mut iter = rustc_lexer::tokenize(&file_contents).map(|t| { - let range = offset..offset + t.len as usize; - offset = range.end; - - LintDeclSearchResult { - token_kind: t.kind, - content: &file_contents[range.clone()], - range, - } - }); - - // Find both the last lint declaration (declare_clippy_lint!) and the lint pass impl - while let Some(LintDeclSearchResult { content, .. }) = iter.find(|result| result.token_kind == TokenKind::Ident) { - let mut iter = iter - .by_ref() - .filter(|t| !matches!(t.token_kind, TokenKind::Whitespace | TokenKind::LineComment { .. })); - - match content { - "declare_clippy_lint" => { - // matches `!{` - match_tokens!(iter, Bang OpenBrace); - if let Some(LintDeclSearchResult { range, .. }) = - iter.find(|result| result.token_kind == TokenKind::CloseBrace) - { - last_decl_curly_offset = Some(range.end); - } - }, - "impl" => { - let mut token = iter.next(); - match token { - // matches <'foo> - Some(LintDeclSearchResult { - token_kind: TokenKind::Lt, - .. - }) => { - match_tokens!(iter, Lifetime { .. } Gt); - token = iter.next(); - }, - None => break, - _ => {}, - } - - if let Some(LintDeclSearchResult { - token_kind: TokenKind::Ident, - content, - .. - }) = token - { - // Get the appropriate lint context struct - lint_context = match content { - "LateLintPass" => Some("LateContext"), - "EarlyLintPass" => Some("EarlyContext"), - _ => continue, - }; - } - }, - _ => {}, - } - } - - drop(iter); - - let last_decl_curly_offset = - last_decl_curly_offset.unwrap_or_else(|| panic!("No lint declarations found in `{}`", path.display())); - let lint_context = - lint_context.unwrap_or_else(|| panic!("No lint pass implementation found in `{}`", path.display())); + let (lint_context, lint_decl_end) = parse_mod_file(path, &file_contents); // Add the lint declaration to `mod.rs` - file_contents.replace_range( - // Remove the trailing newline, which should always be present - last_decl_curly_offset..=last_decl_curly_offset, - &format!("\n\n{}", get_lint_declaration(&lint_name_upper, lint.category)), + file_contents.insert_str( + lint_decl_end, + &format!( + "\n\n{}", + get_lint_declaration(lint.clippy_version, &lint_name_upper, lint.category) + ), ); // Add the lint to `impl_lint_pass`/`declare_lint_pass` @@ -580,6 +514,41 @@ fn setup_mod_file(path: &Path, lint: &LintData<'_>) -> io::Result<&'static str> Ok(lint_context) } +// Find both the last lint declaration (declare_clippy_lint!) and the lint pass impl +fn parse_mod_file(path: &Path, contents: &str) -> (&'static str, usize) { + #[allow(clippy::enum_glob_use)] + use Token::*; + + let mut context = None; + let mut decl_end = None; + let mut searcher = RustSearcher::new(contents); + while let Some(name) = searcher.find_capture_token(CaptureIdent) { + match name { + "declare_clippy_lint" => { + if searcher.match_tokens(&[Bang, OpenBrace], &mut []) && searcher.find_token(CloseBrace) { + decl_end = Some(searcher.pos()); + } + }, + "impl" => { + let mut capture = ""; + if searcher.match_tokens(&[Lt, Lifetime, Gt, CaptureIdent], &mut [&mut capture]) { + match capture { + "LateLintPass" => context = Some("LateContext"), + "EarlyLintPass" => context = Some("EarlyContext"), + _ => {}, + } + } + }, + _ => {}, + } + } + + ( + context.unwrap_or_else(|| panic!("No lint pass implementation found in `{}`", path.display())), + decl_end.unwrap_or_else(|| panic!("No lint declarations found in `{}`", path.display())) as usize, + ) +} + #[test] fn test_camel_case() { let s = "a_lint"; diff --git a/src/tools/clippy/clippy_dev/src/release.rs b/src/tools/clippy/clippy_dev/src/release.rs index ac755168701..d3b1a7ff320 100644 --- a/src/tools/clippy/clippy_dev/src/release.rs +++ b/src/tools/clippy/clippy_dev/src/release.rs @@ -1,27 +1,27 @@ +use crate::utils::{FileUpdater, Version, update_text_region_fn}; use std::fmt::Write; -use std::path::Path; -use crate::utils::{UpdateMode, clippy_version, replace_region_in_file}; - -const CARGO_TOML_FILES: [&str; 4] = [ +static CARGO_TOML_FILES: &[&str] = &[ "clippy_config/Cargo.toml", "clippy_lints/Cargo.toml", "clippy_utils/Cargo.toml", "Cargo.toml", ]; -pub fn bump_version() { - let (minor, mut patch) = clippy_version(); - patch += 1; - for file in &CARGO_TOML_FILES { - replace_region_in_file( - UpdateMode::Change, - Path::new(file), - "# begin autogenerated version\n", - "# end autogenerated version", - |res| { - writeln!(res, "version = \"0.{minor}.{patch}\"").unwrap(); - }, +pub fn bump_version(mut version: Version) { + version.minor += 1; + + 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(); + }, + ), ); } } diff --git a/src/tools/clippy/clippy_dev/src/rename_lint.rs b/src/tools/clippy/clippy_dev/src/rename_lint.rs new file mode 100644 index 00000000000..9e7e5d97f02 --- /dev/null +++ b/src/tools/clippy/clippy_dev/src/rename_lint.rs @@ -0,0 +1,194 @@ +use crate::update_lints::{ + DeprecatedLints, RenamedLint, find_lint_decls, gen_renamed_lints_test_fn, generate_lint_files, + read_deprecated_lints, +}; +use crate::utils::{FileUpdater, StringReplacer, UpdateMode, Version, try_rename_file}; +use std::ffi::OsStr; +use std::path::Path; +use walkdir::WalkDir; + +/// Runs the `rename_lint` command. +/// +/// This does the following: +/// * Adds an entry to `renamed_lints.rs`. +/// * Renames all lint attributes to the new name (e.g. `#[allow(clippy::lint_name)]`). +/// * Renames the lint struct to the new name. +/// * Renames the module containing the lint struct to the new name if it shares a name with the +/// lint. +/// +/// # Panics +/// Panics for the following conditions: +/// * If a file path could not read from or then written to +/// * 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)] +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"); + } + if let Some((prefix, _)) = new_name.split_once("::") { + panic!("`{new_name}` should not contain the `{prefix}` prefix"); + } + + 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 old_lint_index = old_lint_index.unwrap_or_else(|| panic!("could not find lint `{old_name}`")); + + let lint = RenamedLint { + old_name: format!("clippy::{old_name}"), + new_name: if uplift { + new_name.into() + } else { + format!("clippy::{new_name}") + }, + }; + + // 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()); + } + + 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)) + }); + + 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")), + ); + } + + // 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(); + } + 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)), + ) + { + // 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); + } + replacements = [(&*old_name_upper, &*new_name_upper), (old_name, new_name)]; + replacements.as_slice() + } 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()); + } + } + + generate_lint_files(UpdateMode::Change, &lints, &deprecated_lints, &renamed_lints); + println!("{old_name} has been successfully renamed"); + } + + println!("note: `cargo uitest` still needs to be run to update the test results"); +} diff --git a/src/tools/clippy/clippy_dev/src/sync.rs b/src/tools/clippy/clippy_dev/src/sync.rs index a6b65e561c2..c699b0d7b95 100644 --- a/src/tools/clippy/clippy_dev/src/sync.rs +++ b/src/tools/clippy/clippy_dev/src/sync.rs @@ -1,33 +1,18 @@ -use std::fmt::Write; -use std::path::Path; - +use crate::utils::{FileUpdater, update_text_region_fn}; use chrono::offset::Utc; - -use crate::utils::{UpdateMode, replace_region_in_file}; +use std::fmt::Write; pub fn update_nightly() { - // Update rust-toolchain nightly version let date = Utc::now().format("%Y-%m-%d").to_string(); - replace_region_in_file( - UpdateMode::Change, - Path::new("rust-toolchain.toml"), + let update = &mut update_text_region_fn( "# begin autogenerated nightly\n", "# end autogenerated nightly", - |res| { - writeln!(res, "channel = \"nightly-{date}\"").unwrap(); + |dst| { + writeln!(dst, "channel = \"nightly-{date}\"").unwrap(); }, ); - // Update clippy_utils nightly version - replace_region_in_file( - UpdateMode::Change, - Path::new("clippy_utils/README.md"), - "<!-- begin autogenerated nightly -->\n", - "<!-- end autogenerated nightly -->", - |res| { - writeln!(res, "```").unwrap(); - writeln!(res, "nightly-{date}").unwrap(); - writeln!(res, "```").unwrap(); - }, - ); + let mut updater = FileUpdater::default(); + updater.update_file("rust-toolchain.toml", update); + updater.update_file("clippy_utils/README.md", update); } diff --git a/src/tools/clippy/clippy_dev/src/update_lints.rs b/src/tools/clippy/clippy_dev/src/update_lints.rs index d848a97f86d..0c861b72935 100644 --- a/src/tools/clippy/clippy_dev/src/update_lints.rs +++ b/src/tools/clippy/clippy_dev/src/update_lints.rs @@ -1,15 +1,12 @@ -use crate::utils::{UpdateMode, clippy_project_root, exit_with_failure, replace_region_in_file}; -use aho_corasick::AhoCorasickBuilder; +use crate::utils::{ + File, FileAction, FileUpdater, RustSearcher, Token, UpdateMode, UpdateStatus, panic_file, update_text_region_fn, +}; use itertools::Itertools; -use rustc_lexer::{LiteralKind, TokenKind, tokenize}; -use rustc_literal_escaper::{Mode, unescape_unicode}; -use std::collections::{HashMap, HashSet}; -use std::ffi::OsStr; -use std::fmt::{self, Write}; -use std::fs::{self, OpenOptions}; -use std::io::{self, Read, Seek, Write as _}; +use std::collections::HashSet; +use std::fmt::Write; +use std::fs::OpenOptions; use std::ops::Range; -use std::path::{Path, PathBuf}; +use std::path::Path; use walkdir::{DirEntry, WalkDir}; const GENERATED_FILE_COMMENT: &str = "// This file was generated by `cargo dev update_lints`.\n\ @@ -28,839 +25,322 @@ 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, deprecated_lints, renamed_lints) = gather_all(); - generate_lint_files(update_mode, &lints, &deprecated_lints, &renamed_lints); + let lints = find_lint_decls(); + let DeprecatedLints { + renamed, deprecated, .. + } = read_deprecated_lints(); + generate_lint_files(update_mode, &lints, &deprecated, &renamed); } -fn generate_lint_files( +pub fn generate_lint_files( update_mode: UpdateMode, lints: &[Lint], - deprecated_lints: &[DeprecatedLint], - renamed_lints: &[RenamedLint], + deprecated: &[DeprecatedLint], + renamed: &[RenamedLint], ) { - let mut lints = lints.to_owned(); - lints.sort_by_key(|lint| lint.name.clone()); - - replace_region_in_file( - update_mode, - Path::new("README.md"), - "[There are over ", - " lints included in this crate!]", - |res| { - write!(res, "{}", round_to_fifty(lints.len())).unwrap(); - }, - ); - - replace_region_in_file( - update_mode, - Path::new("book/src/README.md"), - "[There are over ", - " lints included in this crate!]", - |res| { - write!(res, "{}", round_to_fifty(lints.len())).unwrap(); - }, - ); - - replace_region_in_file( - update_mode, - Path::new("CHANGELOG.md"), - "<!-- begin autogenerated links to lint list -->\n", - "<!-- end autogenerated links to lint list -->", - |res| { - for lint in lints - .iter() - .map(|l| &*l.name) - .chain(deprecated_lints.iter().filter_map(|l| l.name.strip_prefix("clippy::"))) - .chain(renamed_lints.iter().filter_map(|l| l.old_name.strip_prefix("clippy::"))) - .sorted() - { - writeln!(res, "[`{lint}`]: {DOCS_LINK}#{lint}").unwrap(); - } - }, - ); - - // This has to be in lib.rs, otherwise rustfmt doesn't work - replace_region_in_file( - update_mode, - Path::new("clippy_lints/src/lib.rs"), - "// begin lints modules, do not remove this comment, it’s used in `update_lints`\n", - "// end lints modules, do not remove this comment, it’s used in `update_lints`", - |res| { - for lint_mod in lints.iter().map(|l| &l.module).unique().sorted() { - writeln!(res, "mod {lint_mod};").unwrap(); - } - }, - ); - - process_file( - "clippy_lints/src/declared_lints.rs", + FileUpdater::default().update_files_checked( + "cargo dev update_lints", update_mode, - &gen_declared_lints(lints.iter()), - ); - - let content = gen_deprecated_lints_test(deprecated_lints); - process_file("tests/ui/deprecated.rs", update_mode, &content); - - let content = gen_renamed_lints_test(renamed_lints); - process_file("tests/ui/rename.rs", update_mode, &content); -} - -pub fn print_lints() { - let (lints, _, _) = gather_all(); - let lint_count = lints.len(); - let grouped_by_lint_group = Lint::by_lint_group(lints.into_iter()); - - for (lint_group, mut lints) in grouped_by_lint_group { - println!("\n## {lint_group}"); - - lints.sort_by_key(|l| l.name.clone()); - - for lint in lints { - println!("* [{}]({DOCS_LINK}#{}) ({})", lint.name, lint.name, lint.desc); - } - } - - println!("there are {lint_count} lints"); -} - -/// Runs the `rename_lint` command. -/// -/// This does the following: -/// * Adds an entry to `renamed_lints.rs`. -/// * Renames all lint attributes to the new name (e.g. `#[allow(clippy::lint_name)]`). -/// * Renames the lint struct to the new name. -/// * Renames the module containing the lint struct to the new name if it shares a name with the -/// lint. -/// -/// # Panics -/// Panics for the following conditions: -/// * If a file path could not read from or then written to -/// * 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)] -pub fn rename(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"); - } - if let Some((prefix, _)) = new_name.split_once("::") { - panic!("`{new_name}` should not contain the `{prefix}` prefix"); - } - - let (mut lints, deprecated_lints, mut renamed_lints) = gather_all(); - 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 old_lint_index = old_lint_index.unwrap_or_else(|| panic!("could not find lint `{old_name}`")); - - let lint = RenamedLint { - old_name: format!("clippy::{old_name}"), - new_name: if uplift { - new_name.into() - } else { - format!("clippy::{new_name}") - }, - }; - - // 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`) - for file in WalkDir::new(clippy_project_root()) - .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")) - }) - { - rewrite_file(file.path(), |s| { - replace_ident_like(s, &[(&lint.old_name, &lint.new_name)]) - }); - } - - let version = crate::new_lint::get_stabilization_version(); - rewrite_file(Path::new("clippy_lints/src/deprecated_lints.rs"), |s| { - insert_at_marker( - s, - "// end renamed lints. used by `cargo dev rename_lint`", - &format!( - "#[clippy::version = \"{version}\"]\n \ - (\"{}\", \"{}\"),\n ", - lint.old_name, lint.new_name, + &mut [ + ( + "README.md", + &mut update_text_region_fn("[There are over ", " lints included in this crate!]", |dst| { + write!(dst, "{}", round_to_fifty(lints.len())).unwrap(); + }), ), - ) - }); - - 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)) - }); - - if uplift { - write_file(Path::new("tests/ui/rename.rs"), &gen_renamed_lints_test(&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 { - write_file(Path::new("tests/ui/rename.rs"), &gen_renamed_lints_test(&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")), - ); - } - - // 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(); - } - 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)), - ) - { - // 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); - } - replacements = [(&*old_name_upper, &*new_name_upper), (old_name, new_name)]; - replacements.as_slice() - } 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. - for (_, file) in clippy_lints_src_files().filter(|(rel_path, _)| rel_path != OsStr::new("deprecated_lints.rs")) - { - rewrite_file(file.path(), |s| replace_ident_like(s, replacements)); - } - - generate_lint_files(UpdateMode::Change, &lints, &deprecated_lints, &renamed_lints); - println!("{old_name} has been successfully renamed"); - } - - println!("note: `cargo uitest` still needs to be run to update the test results"); -} - -/// Runs the `deprecate` command -/// -/// This does the following: -/// * Adds an entry to `deprecated_lints.rs`. -/// * Removes the lint declaration (and the entire file if applicable) -/// -/// # Panics -/// -/// If a file path could not read from or written to -pub fn deprecate(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..]; - - let (mut lints, mut deprecated_lints, renamed_lints) = gather_all(); - let Some(lint) = lints.iter().find(|l| l.name == stripped_name) else { - eprintln!("error: failed to find lint `{name}`"); - return; - }; - - let mod_path = { - let mut mod_path = PathBuf::from(format!("clippy_lints/src/{}", lint.module)); - if mod_path.is_dir() { - mod_path = mod_path.join("mod"); - } - - mod_path.set_extension("rs"); - mod_path - }; - - let deprecated_lints_path = &*clippy_project_root().join("clippy_lints/src/deprecated_lints.rs"); - - if remove_lint_declaration(stripped_name, &mod_path, &mut lints).unwrap_or(false) { - let version = crate::new_lint::get_stabilization_version(); - rewrite_file(deprecated_lints_path, |s| { - insert_at_marker( - s, - "// end deprecated lints. used by `cargo dev deprecate_lint`", - &format!("#[clippy::version = \"{version}\"]\n (\"{prefixed_name}\", \"{reason}\"),\n ",), - ) - }); - - deprecated_lints.push(DeprecatedLint { - name: prefixed_name, - reason: reason.into(), - }); - - 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"); - } else { - eprintln!("error: lint not found"); - } -} - -fn remove_lint_declaration(name: &str, path: &Path, lints: &mut Vec<Lint>) -> io::Result<bool> { - fn remove_lint(name: &str, lints: &mut Vec<Lint>) { - lints.iter().position(|l| l.name == name).map(|pos| lints.remove(pos)); - } - - fn remove_test_assets(name: &str) { - let test_file_stem = format!("tests/ui/{name}"); - let path = Path::new(&test_file_stem); - - // Some lints have their own directories, delete them - if path.is_dir() { - let _ = fs::remove_dir_all(path); - return; - } - - // Remove all related test files - let _ = fs::remove_file(path.with_extension("rs")); - let _ = fs::remove_file(path.with_extension("stderr")); - let _ = fs::remove_file(path.with_extension("fixed")); - } - - fn remove_impl_lint_pass(lint_name_upper: &str, content: &mut String) { - let impl_lint_pass_start = content.find("impl_lint_pass!").unwrap_or_else(|| { - content - .find("declare_lint_pass!") - .unwrap_or_else(|| panic!("failed to find `impl_lint_pass`")) - }); - let mut impl_lint_pass_end = content[impl_lint_pass_start..] - .find(']') - .expect("failed to find `impl_lint_pass` terminator"); - - impl_lint_pass_end += impl_lint_pass_start; - if let Some(lint_name_pos) = content[impl_lint_pass_start..impl_lint_pass_end].find(lint_name_upper) { - let mut lint_name_end = impl_lint_pass_start + (lint_name_pos + lint_name_upper.len()); - for c in content[lint_name_end..impl_lint_pass_end].chars() { - // Remove trailing whitespace - if c == ',' || c.is_whitespace() { - lint_name_end += 1; - } else { - break; + ( + "book/src/README.md", + &mut update_text_region_fn("[There are over ", " lints included in this crate!]", |dst| { + write!(dst, "{}", round_to_fifty(lints.len())).unwrap(); + }), + ), + ( + "CHANGELOG.md", + &mut update_text_region_fn( + "<!-- begin autogenerated links to lint list -->\n", + "<!-- end autogenerated links to lint list -->", + |dst| { + for lint in lints + .iter() + .map(|l| &*l.name) + .chain(deprecated.iter().filter_map(|l| l.name.strip_prefix("clippy::"))) + .chain(renamed.iter().filter_map(|l| l.old_name.strip_prefix("clippy::"))) + .sorted() + { + writeln!(dst, "[`{lint}`]: {DOCS_LINK}#{lint}").unwrap(); + } + }, + ), + ), + ( + "clippy_lints/src/lib.rs", + &mut update_text_region_fn( + "// begin lints modules, do not remove this comment, it’s used in `update_lints`\n", + "// end lints modules, do not remove this comment, it’s used in `update_lints`", + |dst| { + for lint_mod in lints.iter().map(|l| &l.module).sorted().dedup() { + writeln!(dst, "mod {lint_mod};").unwrap(); + } + }, + ), + ), + ("clippy_lints/src/declared_lints.rs", &mut |_, src, dst| { + dst.push_str(GENERATED_FILE_COMMENT); + dst.push_str("pub static LINTS: &[&crate::LintInfo] = &[\n"); + for (module_name, lint_name) in lints.iter().map(|l| (&l.module, l.name.to_uppercase())).sorted() { + writeln!(dst, " crate::{module_name}::{lint_name}_INFO,").unwrap(); } - } - - content.replace_range(impl_lint_pass_start + lint_name_pos..lint_name_end, ""); - } - } - - if path.exists() - && let Some(lint) = lints.iter().find(|l| l.name == name) - { - if lint.module == name { - // The lint name is the same as the file, we can just delete the entire file - fs::remove_file(path)?; - } else { - // We can't delete the entire file, just remove the declaration - - if let Some(Some("mod.rs")) = path.file_name().map(OsStr::to_str) { - // Remove clippy_lints/src/some_mod/some_lint.rs - let mut lint_mod_path = path.to_path_buf(); - lint_mod_path.set_file_name(name); - lint_mod_path.set_extension("rs"); - - let _ = fs::remove_file(lint_mod_path); - } - - let mut content = - fs::read_to_string(path).unwrap_or_else(|_| panic!("failed to read `{}`", path.to_string_lossy())); - - eprintln!( - "warn: you will have to manually remove any code related to `{name}` from `{}`", - path.display() - ); - - assert!( - content[lint.declaration_range.clone()].contains(&name.to_uppercase()), - "error: `{}` does not contain lint `{}`'s declaration", - path.display(), - lint.name - ); - - // Remove lint declaration (declare_clippy_lint!) - content.replace_range(lint.declaration_range.clone(), ""); - - // Remove the module declaration (mod xyz;) - let mod_decl = format!("\nmod {name};"); - content = content.replacen(&mod_decl, "", 1); - - remove_impl_lint_pass(&lint.name.to_uppercase(), &mut content); - fs::write(path, content).unwrap_or_else(|_| panic!("failed to write to `{}`", path.to_string_lossy())); - } - - remove_test_assets(name); - remove_lint(name, lints); - return Ok(true); - } - - Ok(false) -} - -/// Replace substrings if they aren't bordered by identifier characters. Returns `None` if there -/// were no replacements. -fn replace_ident_like(contents: &str, replacements: &[(&str, &str)]) -> Option<String> { - fn is_ident_char(c: u8) -> bool { - matches!(c, b'a'..=b'z' | b'A'..=b'Z' | b'0'..=b'9' | b'_') - } - - let searcher = AhoCorasickBuilder::new() - .match_kind(aho_corasick::MatchKind::LeftmostLongest) - .build(replacements.iter().map(|&(x, _)| x.as_bytes())) - .unwrap(); - - let mut result = String::with_capacity(contents.len() + 1024); - let mut pos = 0; - let mut edited = false; - for m in searcher.find_iter(contents) { - let (old, new) = replacements[m.pattern()]; - result.push_str(&contents[pos..m.start()]); - result.push_str( - if !is_ident_char(contents.as_bytes().get(m.start().wrapping_sub(1)).copied().unwrap_or(0)) - && !is_ident_char(contents.as_bytes().get(m.end()).copied().unwrap_or(0)) - { - edited = true; - new - } else { - old - }, - ); - pos = m.end(); - } - result.push_str(&contents[pos..]); - edited.then_some(result) + 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 { + writeln!(dst, "#![warn({})] //~ ERROR: lint `{}`", lint.name, lint.name).unwrap(); + } + dst.push_str("\nfn main() {}\n"); + UpdateStatus::from_changed(src != dst) + }), + ("tests/ui/rename.rs", &mut gen_renamed_lints_test_fn(renamed)), + ], + ); } fn round_to_fifty(count: usize) -> usize { count / 50 * 50 } -fn process_file(path: impl AsRef<Path>, update_mode: UpdateMode, content: &str) { - if update_mode == UpdateMode::Check { - let old_content = - fs::read_to_string(&path).unwrap_or_else(|e| panic!("Cannot read from {}: {e}", path.as_ref().display())); - if content != old_content { - exit_with_failure(); - } - } else { - fs::write(&path, content.as_bytes()) - .unwrap_or_else(|e| panic!("Cannot write to {}: {e}", path.as_ref().display())); - } -} - /// Lint data parsed from the Clippy source code. #[derive(Clone, PartialEq, Eq, Debug)] -struct Lint { - name: String, - group: String, - desc: String, - module: String, - declaration_range: Range<usize>, -} - -impl Lint { - #[must_use] - fn new(name: &str, group: &str, desc: &str, module: &str, declaration_range: Range<usize>) -> Self { - Self { - name: name.to_lowercase(), - group: group.into(), - desc: remove_line_splices(desc), - module: module.into(), - declaration_range, - } - } - - /// Returns the lints in a `HashMap`, grouped by the different lint groups - #[must_use] - fn by_lint_group(lints: impl Iterator<Item = Self>) -> HashMap<String, Vec<Self>> { - lints.map(|lint| (lint.group.to_string(), lint)).into_group_map() - } +pub struct Lint { + pub name: String, + pub group: String, + pub module: String, + pub declaration_range: Range<usize>, } #[derive(Clone, PartialEq, Eq, Debug)] -struct DeprecatedLint { - name: String, - reason: String, -} -impl DeprecatedLint { - fn new(name: &str, reason: &str) -> Self { - Self { - name: remove_line_splices(name), - reason: remove_line_splices(reason), - } - } +pub struct DeprecatedLint { + pub name: String, + pub reason: String, } -struct RenamedLint { - old_name: String, - new_name: String, -} -impl RenamedLint { - fn new(old_name: &str, new_name: &str) -> Self { - Self { - old_name: remove_line_splices(old_name), - new_name: remove_line_splices(new_name), - } - } +pub struct RenamedLint { + pub old_name: String, + pub new_name: String, } -/// Generates the code for registering lints -#[must_use] -fn gen_declared_lints<'a>(lints: impl Iterator<Item = &'a Lint>) -> String { - let mut details: Vec<_> = lints.map(|l| (&l.module, l.name.to_uppercase())).collect(); - details.sort_unstable(); - - let mut output = GENERATED_FILE_COMMENT.to_string(); - output.push_str("pub static LINTS: &[&crate::LintInfo] = &[\n"); - - for (module_name, lint_name) in details { - let _: fmt::Result = writeln!(output, " crate::{module_name}::{lint_name}_INFO,"); - } - output.push_str("];\n"); - - output -} - -fn gen_deprecated_lints_test(lints: &[DeprecatedLint]) -> String { - let mut res: String = GENERATED_FILE_COMMENT.into(); - for lint in lints { - writeln!(res, "#![warn({})] //~ ERROR: lint `{}`", lint.name, lint.name).unwrap(); - } - res.push_str("\nfn main() {}\n"); - res -} - -fn gen_renamed_lints_test(lints: &[RenamedLint]) -> String { - let mut seen_lints = HashSet::new(); - let mut res: String = GENERATED_FILE_COMMENT.into(); - - res.push_str("#![allow(clippy::duplicated_attributes)]\n"); - for lint in lints { - if seen_lints.insert(&lint.new_name) { - writeln!(res, "#![allow({})]", lint.new_name).unwrap(); +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!(res, "#![warn({})] //~ ERROR: lint `{}`", lint.old_name, lint.old_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) } - res.push_str("\nfn main() {}\n"); - res } -/// Gathers all lints defined in `clippy_lints/src` -fn gather_all() -> (Vec<Lint>, Vec<DeprecatedLint>, Vec<RenamedLint>) { +/// Finds all lint declarations (`declare_clippy_lint!`) +#[must_use] +pub fn find_lint_decls() -> Vec<Lint> { let mut lints = Vec::with_capacity(1000); - let mut deprecated_lints = Vec::with_capacity(50); - let mut renamed_lints = Vec::with_capacity(50); - - for (rel_path, file) in clippy_lints_src_files() { - let path = file.path(); - let contents = - fs::read_to_string(path).unwrap_or_else(|e| panic!("Cannot read from `{}`: {e}", path.display())); - let module = rel_path - .components() - .map(|c| c.as_os_str().to_str().unwrap()) - .collect::<Vec<_>>() - .join("::"); + let mut contents = String::new(); + for (file, module) in read_src_with_module("clippy_lints/src".as_ref()) { + parse_clippy_lint_decls( + File::open_read_to_cleared_string(file.path(), &mut contents), + &module, + &mut lints, + ); + } + lints.sort_by(|lhs, rhs| lhs.name.cmp(&rhs.name)); + lints +} - // If the lints are stored in mod.rs, we get the module name from - // the containing directory: - let module = if let Some(module) = module.strip_suffix("::mod.rs") { - module - } else { - module.strip_suffix(".rs").unwrap_or(&module) +/// 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), }; - - if module == "deprecated_lints" { - parse_deprecated_contents(&contents, &mut deprecated_lints, &mut renamed_lints); + 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()..) + { + if path == b"lib" { + Some((e, String::new())) + } else { + let path = if let Some(path) = path.strip_suffix(b"mod") + && let Some(path) = path.strip_suffix(b"/").or_else(|| path.strip_suffix(b"\\")) + { + path + } else { + path + }; + if let Ok(path) = str::from_utf8(path) { + let path = path.replace(['/', '\\'], "::"); + Some((e, path)) + } else { + None + } + } } else { - parse_contents(&contents, module, &mut lints); + None } - } - (lints, deprecated_lints, renamed_lints) -} - -fn clippy_lints_src_files() -> impl Iterator<Item = (PathBuf, DirEntry)> { - let root_path = clippy_project_root().join("clippy_lints/src"); - let iter = WalkDir::new(&root_path).into_iter(); - iter.map(Result::unwrap) - .filter(|f| f.path().extension() == Some(OsStr::new("rs"))) - .map(move |f| (f.path().strip_prefix(&root_path).unwrap().to_path_buf(), f)) + }) } -macro_rules! match_tokens { - ($iter:ident, $($token:ident $({$($fields:tt)*})? $(($capture:ident))?)*) => { - { - $(#[allow(clippy::redundant_pattern)] let Some(LintDeclSearchResult { - token_kind: TokenKind::$token $({$($fields)*})?, - content: $($capture @)? _, - .. - }) = $iter.next() else { - continue; - };)* - #[allow(clippy::unused_unit)] - { ($($($capture,)?)*) } +/// Parse a source file looking for `declare_clippy_lint` macro invocations. +fn parse_clippy_lint_decls(contents: &str, module: &str, lints: &mut Vec<Lint>) { + #[allow(clippy::enum_glob_use)] + use Token::*; + #[rustfmt::skip] + static DECL_TOKENS: &[Token] = &[ + // !{ /// docs + Bang, OpenBrace, AnyDoc, + // #[clippy::version = "version"] + Pound, OpenBracket, Ident("clippy"), DoubleColon, Ident("version"), Eq, LitStr, CloseBracket, + // pub NAME, GROUP, + Ident("pub"), CaptureIdent, Comma, CaptureIdent, Comma, + ]; + + let mut searcher = RustSearcher::new(contents); + while searcher.find_token(Ident("declare_clippy_lint")) { + let start = searcher.pos() as usize - "declare_clippy_lint".len(); + let (mut name, mut group) = ("", ""); + if searcher.match_tokens(DECL_TOKENS, &mut [&mut name, &mut group]) && searcher.find_token(CloseBrace) { + lints.push(Lint { + name: name.to_lowercase(), + group: group.into(), + module: module.into(), + declaration_range: start..searcher.pos() as usize, + }); } } } -pub(crate) use match_tokens; - -pub(crate) struct LintDeclSearchResult<'a> { - pub token_kind: TokenKind, - pub content: &'a str, - pub range: Range<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, } -/// Parse a source file looking for `declare_clippy_lint` macro invocations. -fn parse_contents(contents: &str, module: &str, lints: &mut Vec<Lint>) { - let mut offset = 0usize; - let mut iter = tokenize(contents).map(|t| { - let range = offset..offset + t.len as usize; - offset = range.end; - - LintDeclSearchResult { - token_kind: t.kind, - content: &contents[range.clone()], - range, - } - }); - - while let Some(LintDeclSearchResult { range, .. }) = iter.find( - |LintDeclSearchResult { - token_kind, content, .. - }| token_kind == &TokenKind::Ident && *content == "declare_clippy_lint", - ) { - let start = range.start; - let mut iter = iter - .by_ref() - .filter(|t| !matches!(t.token_kind, TokenKind::Whitespace | TokenKind::LineComment { .. })); - // matches `!{` - match_tokens!(iter, Bang OpenBrace); - match iter.next() { - // #[clippy::version = "version"] pub - Some(LintDeclSearchResult { - token_kind: TokenKind::Pound, - .. - }) => { - match_tokens!(iter, OpenBracket Ident Colon Colon Ident Eq Literal{..} CloseBracket Ident); - }, - // pub - Some(LintDeclSearchResult { - token_kind: TokenKind::Ident, - .. - }) => (), - _ => continue, - } - - let (name, group, desc) = match_tokens!( - iter, - // LINT_NAME - Ident(name) Comma - // group, - Ident(group) Comma - // "description" - Literal{..}(desc) - ); - - if let Some(end) = iter.find_map(|t| { - if let LintDeclSearchResult { - token_kind: TokenKind::CloseBrace, - range, - .. - } = t - { - Some(range.end) - } else { - None - } - }) { - lints.push(Lint::new(name, group, desc, module, start..end)); - } - } -} - -/// Parse a source file looking for `declare_deprecated_lint` macro invocations. -fn parse_deprecated_contents(contents: &str, deprecated: &mut Vec<DeprecatedLint>, renamed: &mut Vec<RenamedLint>) { - let Some((_, contents)) = contents.split_once("\ndeclare_with_version! { DEPRECATED") else { - return; - }; - let Some((deprecated_src, renamed_src)) = contents.split_once("\ndeclare_with_version! { RENAMED") else { - return; +#[must_use] +pub fn read_deprecated_lints() -> DeprecatedLints { + #[allow(clippy::enum_glob_use)] + use Token::*; + #[rustfmt::skip] + static DECL_TOKENS: &[Token] = &[ + // #[clippy::version = "version"] + Pound, OpenBracket, Ident("clippy"), DoubleColon, Ident("version"), Eq, LitStr, CloseBracket, + // ("first", "second"), + OpenParen, CaptureLitStr, Comma, CaptureLitStr, CloseParen, Comma, + ]; + #[rustfmt::skip] + static DEPRECATED_TOKENS: &[Token] = &[ + // !{ DEPRECATED(DEPRECATED_VERSION) = [ + Bang, OpenBrace, Ident("DEPRECATED"), OpenParen, Ident("DEPRECATED_VERSION"), CloseParen, Eq, OpenBracket, + ]; + #[rustfmt::skip] + 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, }; - for line in deprecated_src.lines() { - let mut offset = 0usize; - let mut iter = tokenize(line).map(|t| { - let range = offset..offset + t.len as usize; - offset = range.end; + res.file.read_append_to_string(&mut res.contents); + let mut searcher = RustSearcher::new(&res.contents); - LintDeclSearchResult { - token_kind: t.kind, - content: &line[range.clone()], - range, - } - }); + // First instance is the macro definition. + assert!( + searcher.find_token(Ident("declare_with_version")), + "error reading deprecated lints" + ); - let (name, reason) = match_tokens!( - iter, - // ("old_name", - Whitespace OpenParen Literal{kind: LiteralKind::Str{..},..}(name) Comma - // "new_name"), - Whitespace Literal{kind: LiteralKind::Str{..},..}(reason) CloseParen Comma - ); - deprecated.push(DeprecatedLint::new(name, reason)); + if searcher.find_token(Ident("declare_with_version")) && searcher.match_tokens(DEPRECATED_TOKENS, &mut []) { + let mut name = ""; + let mut reason = ""; + while searcher.match_tokens(DECL_TOKENS, &mut [&mut name, &mut reason]) { + res.deprecated.push(DeprecatedLint { + name: parse_str_single_line(path.as_ref(), name), + reason: parse_str_single_line(path.as_ref(), reason), + }); + } + } 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 old_name = ""; + let mut new_name = ""; + while searcher.match_tokens(DECL_TOKENS, &mut [&mut old_name, &mut new_name]) { + res.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), + }); + } + } else { + panic!("error reading renamed lints"); } - for line in renamed_src.lines() { - let mut offset = 0usize; - let mut iter = tokenize(line).map(|t| { - let range = offset..offset + t.len as usize; - offset = range.end; - - LintDeclSearchResult { - token_kind: t.kind, - content: &line[range.clone()], - range, - } - }); + // position of the closing `]}` of `declare_with_version` + res.renamed_end = searcher.pos(); - let (old_name, new_name) = match_tokens!( - iter, - // ("old_name", - Whitespace OpenParen Literal{kind: LiteralKind::Str{..},..}(old_name) Comma - // "new_name"), - Whitespace Literal{kind: LiteralKind::Str{..},..}(new_name) CloseParen Comma - ); - renamed.push(RenamedLint::new(old_name, new_name)); - } + res } /// Removes the line splices and surrounding quotes from a string literal -fn remove_line_splices(s: &str) -> String { +fn parse_str_lit(s: &str) -> String { + let (s, mode) = if let Some(s) = s.strip_prefix("r") { + (s.trim_matches('#'), rustc_literal_escaper::Mode::RawStr) + } else { + (s, rustc_literal_escaper::Mode::Str) + }; let s = s - .strip_prefix('r') - .unwrap_or(s) - .trim_matches('#') .strip_prefix('"') .and_then(|s| s.strip_suffix('"')) .unwrap_or_else(|| panic!("expected quoted string, found `{s}`")); let mut res = String::with_capacity(s.len()); - unescape_unicode(s, Mode::Str, &mut |range, ch| { - if ch.is_ok() { - res.push_str(&s[range]); + rustc_literal_escaper::unescape_unicode(s, mode, &mut |_, ch| { + if let Ok(ch) = ch { + res.push(ch); } }); res } -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, new_name, "create"), - } - match fs::rename(old_name, new_name) { - Ok(()) => true, - Err(e) => { - drop(fs::remove_file(new_name)); - if e.kind() == io::ErrorKind::NotFound { - false - } else { - panic_file(e, old_name, "rename"); - } - }, - } -} - -#[allow(clippy::needless_pass_by_value)] -fn panic_file(error: io::Error, name: &Path, action: &str) -> ! { - panic!("failed to {action} file `{}`: {error}", name.display()) -} - -fn insert_at_marker(text: &str, marker: &str, new_text: &str) -> Option<String> { - let i = text.find(marker)?; - let (pre, post) = text.split_at(i); - Some([pre, new_text, post].into_iter().collect()) -} - -fn rewrite_file(path: &Path, f: impl FnOnce(&str) -> Option<String>) { - let mut file = OpenOptions::new() - .write(true) - .read(true) - .open(path) - .unwrap_or_else(|e| panic_file(e, path, "open")); - let mut buf = String::new(); - file.read_to_string(&mut buf) - .unwrap_or_else(|e| panic_file(e, path, "read")); - if let Some(new_contents) = f(&buf) { - file.rewind().unwrap_or_else(|e| panic_file(e, path, "write")); - file.write_all(new_contents.as_bytes()) - .unwrap_or_else(|e| panic_file(e, path, "write")); - file.set_len(new_contents.len() as u64) - .unwrap_or_else(|e| panic_file(e, path, "write")); - } -} -fn write_file(path: &Path, contents: &str) { - fs::write(path, contents).unwrap_or_else(|e| panic_file(e, path, "write")); +fn parse_str_single_line(path: &Path, s: &str) -> String { + let value = parse_str_lit(s); + assert!( + !value.contains('\n'), + "error parsing `{}`: `{s}` should be a single line string", + path.display(), + ); + value } #[cfg(test)] @@ -868,7 +348,7 @@ mod tests { use super::*; #[test] - fn test_parse_contents() { + fn test_parse_clippy_lint_decls() { static CONTENTS: &str = r#" declare_clippy_lint! { #[clippy::version = "Hello Clippy!"] @@ -886,61 +366,25 @@ mod tests { } "#; let mut result = Vec::new(); - parse_contents(CONTENTS, "module_name", &mut result); + parse_clippy_lint_decls(CONTENTS, "module_name", &mut result); for r in &mut result { r.declaration_range = Range::default(); } let expected = vec![ - Lint::new( - "ptr_arg", - "style", - "\"really long text\"", - "module_name", - Range::default(), - ), - Lint::new( - "doc_markdown", - "pedantic", - "\"single line\"", - "module_name", - Range::default(), - ), + Lint { + name: "ptr_arg".into(), + group: "style".into(), + module: "module_name".into(), + declaration_range: Range::default(), + }, + Lint { + name: "doc_markdown".into(), + group: "pedantic".into(), + module: "module_name".into(), + declaration_range: Range::default(), + }, ]; assert_eq!(expected, result); } - - #[test] - fn test_by_lint_group() { - let lints = vec![ - Lint::new("should_assert_eq", "group1", "\"abc\"", "module_name", Range::default()), - Lint::new( - "should_assert_eq2", - "group2", - "\"abc\"", - "module_name", - Range::default(), - ), - Lint::new("incorrect_match", "group1", "\"abc\"", "module_name", Range::default()), - ]; - let mut expected: HashMap<String, Vec<Lint>> = HashMap::new(); - expected.insert( - "group1".to_string(), - vec![ - Lint::new("should_assert_eq", "group1", "\"abc\"", "module_name", Range::default()), - Lint::new("incorrect_match", "group1", "\"abc\"", "module_name", Range::default()), - ], - ); - expected.insert( - "group2".to_string(), - vec![Lint::new( - "should_assert_eq2", - "group2", - "\"abc\"", - "module_name", - Range::default(), - )], - ); - assert_eq!(expected, Lint::by_lint_group(lints.into_iter())); - } } diff --git a/src/tools/clippy/clippy_dev/src/utils.rs b/src/tools/clippy/clippy_dev/src/utils.rs index 206816398f5..ae2eabc45dd 100644 --- a/src/tools/clippy/clippy_dev/src/utils.rs +++ b/src/tools/clippy/clippy_dev/src/utils.rs @@ -1,12 +1,113 @@ +use aho_corasick::{AhoCorasick, AhoCorasickBuilder}; +use core::fmt::{self, Display}; +use core::slice; +use core::str::FromStr; +use rustc_lexer::{self as lexer, FrontmatterAllowed}; +use std::env; +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::{fs, io}; #[cfg(not(windows))] static CARGO_CLIPPY_EXE: &str = "cargo-clippy"; #[cfg(windows)] static CARGO_CLIPPY_EXE: &str = "cargo-clippy.exe"; +#[derive(Clone, Copy)] +pub enum FileAction { + Open, + Read, + Write, + Create, + Rename, +} +impl FileAction { + fn as_str(self) -> &'static str { + match self { + Self::Open => "opening", + Self::Read => "reading", + Self::Write => "writing", + Self::Create => "creating", + Self::Rename => "renaming", + } + } +} + +#[cold] +#[track_caller] +pub fn panic_file(err: &impl Display, action: FileAction, path: &Path) -> ! { + panic!("error {} `{}`: {}", action.as_str(), path.display(), *err) +} + +/// Wrapper around `std::fs::File` which panics with a path on failure. +pub struct File<'a> { + pub inner: fs::File, + pub path: &'a Path, +} +impl<'a> File<'a> { + /// Opens a file panicking on failure. + #[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), + } + } + + /// Opens a file if it exists, panicking on any other failure. + #[track_caller] + pub fn open_if_exists(path: &'a (impl AsRef<Path> + ?Sized), options: &mut OpenOptions) -> Option<Self> { + let path = path.as_ref(); + 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), + } + } + + /// Opens and reads a file into a string, panicking of failure. + #[track_caller] + pub fn open_read_to_cleared_string<'dst>( + path: &'a (impl AsRef<Path> + ?Sized), + dst: &'dst mut String, + ) -> &'dst mut String { + Self::open(path, OpenOptions::new().read(true)).read_to_cleared_string(dst) + } + + /// 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), + } + dst + } + + #[track_caller] + pub fn read_to_cleared_string<'dst>(&mut self, dst: &'dst mut String) -> &'dst mut String { + dst.clear(); + self.read_append_to_string(dst) + } + + /// Replaces the entire contents of a file. + #[track_caller] + pub fn replace_contents(&mut self, data: &[u8]) { + let res = match self.inner.seek(SeekFrom::Start(0)) { + Ok(_) => match self.inner.write_all(data) { + Ok(()) => self.inner.set_len(data.len() as u64), + Err(e) => Err(e), + }, + Err(e) => Err(e), + }; + if let Err(e) = res { + panic_file(&e, FileAction::Write, self.path); + } + } +} + /// Returns the path to the `cargo-clippy` binary /// /// # Panics @@ -14,34 +115,107 @@ static CARGO_CLIPPY_EXE: &str = "cargo-clippy.exe"; /// Panics if the path of current executable could not be retrieved. #[must_use] pub fn cargo_clippy_path() -> PathBuf { - let mut path = std::env::current_exe().expect("failed to get current executable name"); + let mut path = env::current_exe().expect("failed to get current executable name"); path.set_file_name(CARGO_CLIPPY_EXE); path } -/// Returns the path to the Clippy project directory -/// -/// # Panics -/// -/// Panics if the current directory could not be retrieved, there was an error reading any of the -/// Cargo.toml files or ancestor directory is the clippy root directory -#[must_use] -pub fn clippy_project_root() -> PathBuf { - let current_dir = std::env::current_dir().unwrap(); - for path in current_dir.ancestors() { - let result = fs::read_to_string(path.join("Cargo.toml")); - if let Err(err) = &result - && err.kind() == io::ErrorKind::NotFound +#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] +pub struct Version { + pub major: u16, + pub minor: u16, +} +impl FromStr for Version { + type Err = (); + fn from_str(s: &str) -> Result<Self, Self::Err> { + if let Some(s) = s.strip_prefix("0.") + && let Some((major, minor)) = s.split_once('.') + && let Ok(major) = major.parse() + && let Ok(minor) = minor.parse() { - continue; + Ok(Self { major, minor }) + } else { + Err(()) + } + } +} +impl Version { + /// Displays the version as a rust version. i.e. `x.y.0` + #[must_use] + pub fn rust_display(self) -> impl Display { + struct X(Version); + impl Display for X { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!(f, "{}.{}.0", self.0.major, self.0.minor) + } + } + X(self) + } + + /// Displays the version as it should appear in clippy's toml files. i.e. `0.x.y` + #[must_use] + pub fn toml_display(self) -> impl Display { + struct X(Version); + impl Display for X { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!(f, "0.{}.{}", self.0.major, self.0.minor) + } } + X(self) + } +} + +pub struct ClippyInfo { + pub path: PathBuf, + pub version: Version, +} +impl ClippyInfo { + #[must_use] + pub fn search_for_manifest() -> Self { + let mut path = env::current_dir().expect("error reading the working directory"); + let mut buf = String::new(); + 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(); + }, + _ => {}, + } + } + } - let content = result.unwrap(); - if content.contains("[package]\nname = \"clippy\"") { - return path.to_path_buf(); + if is_clippy { + let Some(version) = version else { + panic!("error reading clippy version from {}", file.path.display()); + }; + path.pop(); + return ClippyInfo { path, version }; + } + } + + path.pop(); + assert!( + path.pop(), + "error finding project root, please run from inside the clippy directory" + ); } } - panic!("error: Can't determine root of project. Please run inside a Clippy working dir."); } /// # Panics @@ -57,86 +231,396 @@ pub fn exit_if_err(status: io::Result<ExitStatus>) { } } -pub(crate) fn clippy_version() -> (u32, u32) { - fn parse_manifest(contents: &str) -> Option<(u32, u32)> { - let version = contents - .lines() - .filter_map(|l| l.split_once('=')) - .find_map(|(k, v)| (k.trim() == "version").then(|| v.trim()))?; - let Some(("0", version)) = version.get(1..version.len() - 1)?.split_once('.') else { - return None; - }; - let (minor, patch) = version.split_once('.')?; - Some((minor.parse().ok()?, patch.parse().ok()?)) +#[derive(Clone, Copy)] +pub enum UpdateStatus { + Unchanged, + Changed, +} +impl UpdateStatus { + #[must_use] + pub fn from_changed(value: bool) -> Self { + if value { Self::Changed } else { Self::Unchanged } + } + + #[must_use] + pub fn is_changed(self) -> bool { + matches!(self, Self::Changed) } - let contents = fs::read_to_string("Cargo.toml").expect("Unable to read `Cargo.toml`"); - parse_manifest(&contents).expect("Unable to find package version in `Cargo.toml`") } -#[derive(Clone, Copy, PartialEq, Eq)] +#[derive(Clone, Copy)] pub enum UpdateMode { - Check, Change, + Check, +} +impl UpdateMode { + #[must_use] + pub fn from_check(check: bool) -> Self { + if check { Self::Check } else { Self::Change } + } } -pub(crate) fn exit_with_failure() { - println!( - "Not all lints defined properly. \ - Please run `cargo dev update_lints` to make sure all lints are defined properly." - ); - process::exit(1); +#[derive(Default)] +pub struct FileUpdater { + src_buf: String, + dst_buf: String, } +impl FileUpdater { + fn update_file_checked_inner( + &mut self, + tool: &str, + mode: UpdateMode, + path: &Path, + update: &mut dyn FnMut(&Path, &str, &mut String) -> UpdateStatus, + ) { + let mut file = File::open(path, OpenOptions::new().read(true).write(true)); + file.read_to_cleared_string(&mut self.src_buf); + self.dst_buf.clear(); + match (mode, update(path, &self.src_buf, &mut self.dst_buf)) { + (UpdateMode::Check, UpdateStatus::Changed) => { + eprintln!( + "the contents of `{}` are out of date\nplease run `{tool}` to update", + path.display() + ); + process::exit(1); + }, + (UpdateMode::Change, UpdateStatus::Changed) => file.replace_contents(self.dst_buf.as_bytes()), + (UpdateMode::Check | UpdateMode::Change, UpdateStatus::Unchanged) => {}, + } + } -/// Replaces a region in a file delimited by two lines matching regexes. -/// -/// `path` is the relative path to the file on which you want to perform the replacement. -/// -/// See `replace_region_in_text` for documentation of the other options. -/// -/// # Panics -/// -/// Panics if the path could not read or then written -pub(crate) fn replace_region_in_file( - update_mode: UpdateMode, + fn update_file_inner(&mut self, path: &Path, update: &mut dyn FnMut(&Path, &str, &mut String) -> UpdateStatus) { + let mut file = File::open(path, OpenOptions::new().read(true).write(true)); + file.read_to_cleared_string(&mut self.src_buf); + self.dst_buf.clear(); + if update(path, &self.src_buf, &mut self.dst_buf).is_changed() { + file.replace_contents(self.dst_buf.as_bytes()); + } + } + + pub fn update_file_checked( + &mut self, + tool: &str, + mode: UpdateMode, + path: impl AsRef<Path>, + update: &mut dyn FnMut(&Path, &str, &mut String) -> UpdateStatus, + ) { + self.update_file_checked_inner(tool, mode, path.as_ref(), update); + } + + #[expect(clippy::type_complexity)] + pub fn update_files_checked( + &mut self, + tool: &str, + mode: UpdateMode, + files: &mut [( + impl AsRef<Path>, + &mut dyn FnMut(&Path, &str, &mut String) -> UpdateStatus, + )], + ) { + for (path, update) in files { + self.update_file_checked_inner(tool, mode, path.as_ref(), update); + } + } + + pub fn update_file( + &mut self, + path: impl AsRef<Path>, + update: &mut dyn FnMut(&Path, &str, &mut String) -> UpdateStatus, + ) { + self.update_file_inner(path.as_ref(), update); + } +} + +/// Replaces a region in a text delimited by two strings. Returns the new text if both delimiters +/// were found, or the missing delimiter if not. +pub fn update_text_region( path: &Path, start: &str, end: &str, - write_replacement: impl FnMut(&mut String), -) { - let contents = fs::read_to_string(path).unwrap_or_else(|e| panic!("Cannot read from `{}`: {e}", path.display())); - let new_contents = match replace_region_in_text(&contents, start, end, write_replacement) { - Ok(x) => x, - Err(delim) => panic!("Couldn't find `{delim}` in file `{}`", path.display()), + src: &str, + dst: &mut String, + insert: &mut impl FnMut(&mut String), +) -> UpdateStatus { + let Some((src_start, src_end)) = src.split_once(start) else { + panic!("`{}` does not contain `{start}`", path.display()); }; + let Some((replaced_text, src_end)) = src_end.split_once(end) else { + panic!("`{}` does not contain `{end}`", path.display()); + }; + dst.push_str(src_start); + dst.push_str(start); + let new_start = dst.len(); + insert(dst); + let changed = dst[new_start..] != *replaced_text; + dst.push_str(end); + dst.push_str(src_end); + UpdateStatus::from_changed(changed) +} + +pub fn update_text_region_fn( + start: &str, + end: &str, + mut insert: impl FnMut(&mut String), +) -> impl FnMut(&Path, &str, &mut String) -> UpdateStatus { + 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), + CaptureIdent, + LitStr, + CaptureLitStr, + Bang, + CloseBrace, + CloseBracket, + CloseParen, + /// This will consume the first colon even if the second doesn't exist. + DoubleColon, + Comma, + Eq, + Lifetime, + Lt, + Gt, + OpenBrace, + OpenBracket, + OpenParen, + Pound, +} + +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] + pub fn new(text: &'txt str) -> Self { + 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, + }, + } + } + + #[must_use] + pub fn peek_text(&self) -> &'txt str { + &self.text[self.pos as usize..(self.pos + self.next_token.len) as usize] + } + + #[must_use] + pub fn peek(&self) -> lexer::TokenKind { + self.next_token.kind + } + + #[must_use] + pub fn pos(&self) -> u32 { + self.pos + } + + #[must_use] + pub fn at_end(&self) -> bool { + self.next_token.kind == lexer::TokenKind::Eof + } + + pub fn step(&mut self) { + // `next_len` is zero for the sentinel value and the eof marker. + self.pos += self.next_token.len; + self.next_token = self.cursor.advance_token(); + } + + /// 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 { + 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::BlockComment { terminated: true, .. } | lexer::TokenKind::LineComment { .. }, + ) => { + self.step(); + if self.at_end() { + // `AnyDoc` always matches. + return true; + } + }, + (Token::AnyDoc, _) => return true, + (Token::Bang, lexer::TokenKind::Bang) + | (Token::CloseBrace, lexer::TokenKind::CloseBrace) + | (Token::CloseBracket, lexer::TokenKind::CloseBracket) + | (Token::CloseParen, lexer::TokenKind::CloseParen) + | (Token::Comma, lexer::TokenKind::Comma) + | (Token::Eq, lexer::TokenKind::Eq) + | (Token::Lifetime, lexer::TokenKind::Lifetime { .. }) + | (Token::Lt, lexer::TokenKind::Lt) + | (Token::Gt, lexer::TokenKind::Gt) + | (Token::OpenBrace, lexer::TokenKind::OpenBrace) + | (Token::OpenBracket, lexer::TokenKind::OpenBracket) + | (Token::OpenParen, lexer::TokenKind::OpenParen) + | (Token::Pound, lexer::TokenKind::Pound) + | ( + Token::LitStr, + lexer::TokenKind::Literal { + kind: lexer::LiteralKind::Str { terminated: true } | lexer::LiteralKind::RawStr { .. }, + .. + }, + ) => { + self.step(); + return true; + }, + (Token::Ident(x), lexer::TokenKind::Ident) if x == self.peek_text() => { + self.step(); + return true; + }, + (Token::DoubleColon, lexer::TokenKind::Colon) => { + self.step(); + if !self.at_end() && matches!(self.next_token.kind, lexer::TokenKind::Colon) { + self.step(); + return true; + } + return false; + }, + ( + Token::CaptureLitStr, + lexer::TokenKind::Literal { + kind: lexer::LiteralKind::Str { terminated: true } | lexer::LiteralKind::RawStr { .. }, + .. + }, + ) + | (Token::CaptureIdent, lexer::TokenKind::Ident) => { + **captures.next().unwrap() = self.peek_text(); + self.step(); + return true; + }, + _ => return false, + } + } + } + + #[must_use] + pub fn find_token(&mut self, token: Token) -> bool { + let mut capture = [].iter_mut(); + while !self.read_token(token, &mut capture) { + self.step(); + if self.at_end() { + return false; + } + } + true + } + + #[must_use] + 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(); + while !self.read_token(token, &mut capture) { + self.step(); + if self.at_end() { + return None; + } + } + Some(res) + } + + #[must_use] + 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)) + } +} - match update_mode { - UpdateMode::Check if contents != new_contents => exit_with_failure(), - UpdateMode::Check => (), - UpdateMode::Change => { - if let Err(e) = fs::write(path, new_contents.as_bytes()) { - panic!("Cannot write to `{}`: {e}", path.display()); +#[expect(clippy::must_use_candidate)] +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), + } + match fs::rename(old_name, new_name) { + Ok(()) => true, + Err(e) => { + drop(fs::remove_file(new_name)); + if e.kind() == io::ErrorKind::NotFound { + false + } else { + panic_file(&e, FileAction::Rename, old_name); } }, } } -/// Replaces a region in a text delimited by two strings. Returns the new text if both delimiters -/// were found, or the missing delimiter if not. -pub(crate) fn replace_region_in_text<'a>( - text: &str, - start: &'a str, - end: &'a str, - mut write_replacement: impl FnMut(&mut String), -) -> Result<String, &'a str> { - let (text_start, rest) = text.split_once(start).ok_or(start)?; - let (_, text_end) = rest.split_once(end).ok_or(end)?; - - let mut res = String::with_capacity(text.len() + 4096); - res.push_str(text_start); - res.push_str(start); - write_replacement(&mut res); - res.push_str(end); - res.push_str(text_end); - - Ok(res) +pub fn write_file(path: &Path, contents: &str) { + fs::write(path, contents).unwrap_or_else(|e| panic_file(&e, FileAction::Write, path)); } diff --git a/src/tools/clippy/clippy_lints/Cargo.toml b/src/tools/clippy/clippy_lints/Cargo.toml index 20951afccbb..7e3cb404247 100644 --- a/src/tools/clippy/clippy_lints/Cargo.toml +++ b/src/tools/clippy/clippy_lints/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "clippy_lints" # begin autogenerated version -version = "0.1.88" +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" diff --git a/src/tools/clippy/clippy_lints/src/attrs/mod.rs b/src/tools/clippy/clippy_lints/src/attrs/mod.rs index f7f168cb267..9a124298041 100644 --- a/src/tools/clippy/clippy_lints/src/attrs/mod.rs +++ b/src/tools/clippy/clippy_lints/src/attrs/mod.rs @@ -468,7 +468,7 @@ declare_clippy_lint! { /// #[ignore = "Some good reason"] /// fn test() {} /// ``` - #[clippy::version = "1.85.0"] + #[clippy::version = "1.88.0"] pub IGNORE_WITHOUT_REASON, pedantic, "ignored tests without messages" diff --git a/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs b/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs index d75b73280e6..4059f9603c3 100644 --- a/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs +++ b/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs @@ -26,16 +26,16 @@ pub(super) fn check(cx: &EarlyContext<'_>, item: &Item, attrs: &[Attribute]) { if namespace.is_none() && matches!( - name.as_str(), - "ambiguous_glob_reexports" - | "dead_code" - | "deprecated" - | "hidden_glob_reexports" - | "unreachable_pub" - | "unused" - | "unused_braces" - | "unused_import_braces" - | "unused_imports" + name, + sym::ambiguous_glob_reexports + | sym::dead_code + | sym::deprecated + | sym::hidden_glob_reexports + | sym::unreachable_pub + | sym::unused + | sym::unused_braces + | sym::unused_import_braces + | sym::unused_imports ) { return; @@ -43,16 +43,16 @@ pub(super) fn check(cx: &EarlyContext<'_>, item: &Item, attrs: &[Attribute]) { if namespace == Some(sym::clippy) && matches!( - name.as_str(), - "wildcard_imports" - | "enum_glob_use" - | "redundant_pub_crate" - | "macro_use_imports" - | "unsafe_removed_from_name" - | "module_name_repetitions" - | "single_component_path_imports" - | "disallowed_types" - | "unused_trait_names" + name, + sym::wildcard_imports + | sym::enum_glob_use + | sym::redundant_pub_crate + | sym::macro_use_imports + | sym::unsafe_removed_from_name + | sym::module_name_repetitions + | sym::single_component_path_imports + | sym::disallowed_types + | sym::unused_trait_names ) { return; diff --git a/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs b/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs index 52d1d5b4c67..31cc004f685 100644 --- a/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs +++ b/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs @@ -1,7 +1,7 @@ use clippy_config::Conf; use clippy_config::types::{DisallowedPathWithoutReplacement, create_disallowed_map}; use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::{match_def_path, paths}; +use clippy_utils::paths::{self, PathNS}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, DefIdMap}; use rustc_lint::{LateContext, LateLintPass}; @@ -182,6 +182,7 @@ impl AwaitHolding { let (def_ids, _) = create_disallowed_map( tcx, &conf.await_holding_invalid_types, + PathNS::Type, crate::disallowed_types::def_kind_predicate, "type", false, @@ -275,12 +276,10 @@ fn emit_invalid_type( } fn is_mutex_guard(cx: &LateContext<'_>, def_id: DefId) -> bool { - cx.tcx.is_diagnostic_item(sym::MutexGuard, def_id) - || cx.tcx.is_diagnostic_item(sym::RwLockReadGuard, def_id) - || cx.tcx.is_diagnostic_item(sym::RwLockWriteGuard, def_id) - || match_def_path(cx, def_id, &paths::PARKING_LOT_MUTEX_GUARD) - || match_def_path(cx, def_id, &paths::PARKING_LOT_RWLOCK_READ_GUARD) - || match_def_path(cx, def_id, &paths::PARKING_LOT_RWLOCK_WRITE_GUARD) + match cx.tcx.get_diagnostic_name(def_id) { + Some(name) => matches!(name, sym::MutexGuard | sym::RwLockReadGuard | sym::RwLockWriteGuard), + None => paths::PARKING_LOT_GUARDS.iter().any(|guard| guard.matches(cx, def_id)), + } } fn is_refcell_ref(cx: &LateContext<'_>, def_id: DefId) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs index 4a876b85416..ae36bb76117 100644 --- a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs +++ b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs @@ -1,6 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::{find_assert_eq_args, root_macro_call_first_node}; use clippy_utils::sugg::Sugg; +use clippy_utils::sym; use clippy_utils::ty::{implements_trait, is_copy}; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -73,10 +74,9 @@ impl<'tcx> LateLintPass<'tcx> for BoolAssertComparison { let Some(macro_call) = root_macro_call_first_node(cx, expr) else { return; }; - let macro_name = cx.tcx.item_name(macro_call.def_id); - let eq_macro = match macro_name.as_str() { - "assert_eq" | "debug_assert_eq" => true, - "assert_ne" | "debug_assert_ne" => false, + let eq_macro = match cx.tcx.get_diagnostic_name(macro_call.def_id) { + Some(sym::assert_eq_macro | sym::debug_assert_eq_macro) => true, + Some(sym::assert_ne_macro | sym::debug_assert_ne_macro) => false, _ => return, }; let Some((a, b, _)) = find_assert_eq_args(cx, expr, macro_call.expn) else { @@ -115,6 +115,7 @@ impl<'tcx> LateLintPass<'tcx> for BoolAssertComparison { return; } + let macro_name = cx.tcx.item_name(macro_call.def_id); let macro_name = macro_name.as_str(); let non_eq_mac = ¯o_name[..macro_name.len() - 3]; span_lint_and_then( 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 new file mode 100644 index 00000000000..31cdd078f45 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs @@ -0,0 +1,82 @@ +use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::source::snippet_with_applicability; +use rustc_errors::Applicability; +use rustc_hir::Expr; +use rustc_lint::LateContext; +use rustc_middle::ty::{self, GenericArg, Ty}; +use rustc_span::def_id::DefId; +use rustc_span::{Symbol, sym}; + +use super::CONFUSING_METHOD_TO_NUMERIC_CAST; + +fn get_primitive_ty_name(ty: Ty<'_>) -> Option<&'static str> { + match ty.kind() { + ty::Char => Some("char"), + ty::Int(int) => Some(int.name_str()), + ty::Uint(uint) => Some(uint.name_str()), + ty::Float(float) => Some(float.name_str()), + _ => None, + } +} + +fn get_const_name_and_ty_name( + cx: &LateContext<'_>, + method_name: Symbol, + 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) { + // We get the type on which the `min`/`max` method of the `Ord` trait is implemented. + if let [ty] = generics + && let Some(ty) = ty.as_type() + { + get_primitive_ty_name(ty)? + } else { + return None; + } + } 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) + { + ty_name + } else { + return None; + }; + + let const_name = if method_name.starts_with("max") { "MAX" } else { "MIN" }; + Some((const_name, ty_name)) +} + +pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>, cast_from: Ty<'_>, cast_to: Ty<'_>) { + // We allow casts from any function type to any function type. + match cast_to.kind() { + ty::FnDef(..) | ty::FnPtr(..) => return, + _ => { /* continue to checks */ }, + } + + if let ty::FnDef(def_id, generics) = cast_from.kind() + && let Some(method_name) = cx.tcx.opt_item_name(*def_id) + && let Some((const_name, ty_name)) = get_const_name_and_ty_name(cx, method_name, *def_id, generics.as_slice()) + { + let mut applicability = Applicability::MaybeIncorrect; + let from_snippet = snippet_with_applicability(cx, cast_expr.span, "..", &mut applicability); + + span_lint_and_then( + cx, + CONFUSING_METHOD_TO_NUMERIC_CAST, + expr.span, + format!("casting function pointer `{from_snippet}` to `{cast_to}`"), + |diag| { + diag.span_suggestion_verbose( + expr.span, + "did you mean to use the associated constant?", + format!("{ty_name}::{const_name} as {cast_to}"), + applicability, + ); + }, + ); + } +} diff --git a/src/tools/clippy/clippy_lints/src/casts/manual_dangling_ptr.rs b/src/tools/clippy/clippy_lints/src/casts/manual_dangling_ptr.rs index 8ace27eca89..61dfc0fc042 100644 --- a/src/tools/clippy/clippy_lints/src/casts/manual_dangling_ptr.rs +++ b/src/tools/clippy/clippy_lints/src/casts/manual_dangling_ptr.rs @@ -1,7 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::SpanRangeExt; -use clippy_utils::ty::is_normalizable; -use clippy_utils::{expr_or_init, match_def_path, path_def_id, paths, std_or_core}; +use clippy_utils::{expr_or_init, path_def_id, paths, std_or_core}; use rustc_ast::LitKind; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, GenericArg, Mutability, QPath, Ty, TyKind}; @@ -55,7 +54,7 @@ fn is_expr_const_aligned(cx: &LateContext<'_>, expr: &Expr<'_>, to: &Ty<'_>) -> fn is_align_of_call(cx: &LateContext<'_>, fun: &Expr<'_>, to: &Ty<'_>) -> bool { if let ExprKind::Path(QPath::Resolved(_, path)) = fun.kind && let Some(fun_id) = path_def_id(cx, fun) - && match_def_path(cx, fun_id, &paths::ALIGN_OF) + && paths::ALIGN_OF.matches(cx, fun_id) && let Some(args) = path.segments.last().and_then(|seg| seg.args) && let [GenericArg::Type(generic_ty)] = args.args { @@ -71,12 +70,10 @@ fn is_literal_aligned(cx: &LateContext<'_>, lit: &Spanned<LitKind>, to: &Ty<'_>) return false; } let to_mid_ty = cx.typeck_results().node_type(to.hir_id); - is_normalizable(cx, cx.param_env, to_mid_ty) - && cx - .tcx - .layout_of(cx.typing_env().as_query_input(to_mid_ty)) - .is_ok_and(|layout| { - let align = u128::from(layout.align.abi.bytes()); - u128::from(val) <= align - }) + cx.tcx + .layout_of(cx.typing_env().as_query_input(to_mid_ty)) + .is_ok_and(|layout| { + let align = u128::from(layout.align.abi.bytes()); + u128::from(val) <= align + }) } diff --git a/src/tools/clippy/clippy_lints/src/casts/mod.rs b/src/tools/clippy/clippy_lints/src/casts/mod.rs index 76931fce209..daae9a8bb08 100644 --- a/src/tools/clippy/clippy_lints/src/casts/mod.rs +++ b/src/tools/clippy/clippy_lints/src/casts/mod.rs @@ -14,6 +14,7 @@ mod cast_sign_loss; mod cast_slice_different_sizes; mod cast_slice_from_raw_parts; mod char_lit_as_u8; +mod confusing_method_to_numeric_cast; mod fn_to_numeric_cast; mod fn_to_numeric_cast_any; mod fn_to_numeric_cast_with_truncation; @@ -780,12 +781,38 @@ declare_clippy_lint! { /// let aligned = std::ptr::dangling::<u32>(); /// let mut_ptr: *mut i64 = std::ptr::dangling_mut(); /// ``` - #[clippy::version = "1.87.0"] + #[clippy::version = "1.88.0"] pub MANUAL_DANGLING_PTR, style, "casting small constant literals to pointers to create dangling pointers" } +declare_clippy_lint! { + /// ### What it does + /// Checks for casts of a primitive method pointer like `max`/`min` to any integer type. + /// + /// ### Why restrict this? + /// Casting a function pointer to an integer can have surprising results and can occur + /// accidentally if parentheses are omitted from a function call. If you aren't doing anything + /// low-level with function pointers then you can opt out of casting functions to integers in + /// order to avoid mistakes. Alternatively, you can use this lint to audit all uses of function + /// pointer casts in your code. + /// + /// ### Example + /// ```no_run + /// let _ = u16::max as usize; + /// ``` + /// + /// Use instead: + /// ```no_run + /// let _ = u16::MAX as usize; + /// ``` + #[clippy::version = "1.86.0"] + pub CONFUSING_METHOD_TO_NUMERIC_CAST, + suspicious, + "casting a primitive method pointer to any integer type" +} + pub struct Casts { msrv: Msrv, } @@ -823,6 +850,7 @@ impl_lint_pass!(Casts => [ REF_AS_PTR, AS_POINTER_UNDERSCORE, MANUAL_DANGLING_PTR, + CONFUSING_METHOD_TO_NUMERIC_CAST, ]); impl<'tcx> LateLintPass<'tcx> for Casts { @@ -847,6 +875,7 @@ impl<'tcx> LateLintPass<'tcx> for Casts { ptr_cast_constness::check(cx, expr, cast_from_expr, cast_from, cast_to, self.msrv); as_ptr_cast_mut::check(cx, expr, cast_from_expr, cast_to); fn_to_numeric_cast_any::check(cx, expr, cast_from_expr, cast_from, cast_to); + confusing_method_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to); fn_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to); fn_to_numeric_cast_with_truncation::check(cx, expr, cast_from_expr, cast_from, cast_to); zero_ptr::check(cx, expr, cast_from_expr, cast_to_hir); diff --git a/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs b/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs new file mode 100644 index 00000000000..6b239a1541b --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/cloned_ref_to_slice_refs.rs @@ -0,0 +1,100 @@ +use clippy_config::Conf; +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::msrvs::{self, Msrv}; +use clippy_utils::sugg::Sugg; +use clippy_utils::visitors::is_const_evaluatable; +use clippy_utils::{is_in_const_context, is_mutable, is_trait_method}; +use rustc_errors::Applicability; +use rustc_hir::{Expr, ExprKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::impl_lint_pass; +use rustc_span::sym; + +declare_clippy_lint! { + /// ### What it does + /// + /// Checks for slice references with cloned references such as `&[f.clone()]`. + /// + /// ### Why is this bad + /// + /// A reference does not need to be owned in order to used as a slice. + /// + /// ### Known problems + /// + /// This lint does not know whether or not a clone implementation has side effects. + /// + /// ### Example + /// + /// ```ignore + /// let data = 10; + /// let data_ref = &data; + /// take_slice(&[data_ref.clone()]); + /// ``` + /// Use instead: + /// ```ignore + /// use std::slice; + /// let data = 10; + /// let data_ref = &data; + /// take_slice(slice::from_ref(data_ref)); + /// ``` + #[clippy::version = "1.87.0"] + pub CLONED_REF_TO_SLICE_REFS, + perf, + "cloning a reference for slice references" +} + +pub struct ClonedRefToSliceRefs<'a> { + msrv: &'a Msrv, +} +impl<'a> ClonedRefToSliceRefs<'a> { + pub fn new(conf: &'a Conf) -> Self { + Self { msrv: &conf.msrv } + } +} + +impl_lint_pass!(ClonedRefToSliceRefs<'_> => [CLONED_REF_TO_SLICE_REFS]); + +impl<'tcx> LateLintPass<'tcx> for ClonedRefToSliceRefs<'_> { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { + if self.msrv.meets(cx, { + if is_in_const_context(cx) { + msrvs::CONST_SLICE_FROM_REF + } else { + msrvs::SLICE_FROM_REF + } + }) + // `&[foo.clone()]` expressions + && let ExprKind::AddrOf(_, mutability, arr) = &expr.kind + // mutable references would have a different meaning + && mutability.is_not() + + // check for single item arrays + && let ExprKind::Array([item]) = &arr.kind + + // check for clones + && let ExprKind::MethodCall(_, val, _, _) = item.kind + && is_trait_method(cx, item, sym::Clone) + + // check for immutability or purity + && (!is_mutable(cx, val) || is_const_evaluatable(cx, val)) + + // get appropriate crate for `slice::from_ref` + && let Some(builtin_crate) = clippy_utils::std_or_core(cx) + { + let mut sugg = Sugg::hir(cx, val, "_"); + if !cx.typeck_results().expr_ty(val).is_ref() { + sugg = sugg.addr(); + } + + span_lint_and_sugg( + cx, + CLONED_REF_TO_SLICE_REFS, + expr.span, + format!("this call to `clone` can be replaced with `{builtin_crate}::slice::from_ref`"), + "try", + format!("{builtin_crate}::slice::from_ref({sugg})"), + Applicability::MaybeIncorrect, + ); + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/collapsible_if.rs b/src/tools/clippy/clippy_lints/src/collapsible_if.rs index 20fae8a6775..7f6ecea99fb 100644 --- a/src/tools/clippy/clippy_lints/src/collapsible_if.rs +++ b/src/tools/clippy/clippy_lints/src/collapsible_if.rs @@ -1,11 +1,11 @@ use clippy_config::Conf; use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; +use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::{IntoSpan as _, SpanRangeExt, snippet, snippet_block, snippet_block_with_applicability}; use rustc_ast::BinOpKind; use rustc_errors::Applicability; -use rustc_hir::{Block, Expr, ExprKind, StmtKind}; +use rustc_hir::{Block, Expr, ExprKind, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::TyCtxt; use rustc_session::impl_lint_pass; use rustc_span::Span; @@ -78,14 +78,14 @@ declare_clippy_lint! { } pub struct CollapsibleIf { - let_chains_enabled: bool, + msrv: Msrv, lint_commented_code: bool, } impl CollapsibleIf { - pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { + pub fn new(conf: &'static Conf) -> Self { Self { - let_chains_enabled: tcx.features().let_chains(), + msrv: conf.msrv, lint_commented_code: conf.lint_commented_code, } } @@ -127,7 +127,7 @@ impl CollapsibleIf { if let Some(inner) = expr_block(then) && cx.tcx.hir_attrs(inner.hir_id).is_empty() && let ExprKind::If(check_inner, _, None) = &inner.kind - && self.eligible_condition(check_inner) + && self.eligible_condition(cx, check_inner) && let ctxt = expr.span.ctxt() && inner.span.ctxt() == ctxt && (self.lint_commented_code || !block_starts_with_comment(cx, then)) @@ -163,8 +163,9 @@ impl CollapsibleIf { } } - pub fn eligible_condition(&self, cond: &Expr<'_>) -> bool { - self.let_chains_enabled || !matches!(cond.kind, ExprKind::Let(..)) + fn eligible_condition(&self, cx: &LateContext<'_>, cond: &Expr<'_>) -> bool { + !matches!(cond.kind, ExprKind::Let(..)) + || (cx.tcx.sess.edition().at_least_rust_2024() && self.msrv.meets(cx, msrvs::LET_CHAINS)) } } @@ -180,7 +181,7 @@ impl LateLintPass<'_> for CollapsibleIf { { Self::check_collapsible_else_if(cx, then.span, else_); } else if else_.is_none() - && self.eligible_condition(cond) + && self.eligible_condition(cx, cond) && let ExprKind::Block(then, None) = then.kind { self.check_collapsible_if_if(cx, expr, cond, then); @@ -202,13 +203,12 @@ fn block_starts_with_comment(cx: &LateContext<'_>, block: &Block<'_>) -> bool { fn expr_block<'tcx>(block: &Block<'tcx>) -> Option<&'tcx Expr<'tcx>> { match block.stmts { [] => block.expr, - [stmt] => { - if let StmtKind::Semi(expr) = stmt.kind { - Some(expr) - } else { - None - } - }, + [ + Stmt { + kind: StmtKind::Semi(expr), + .. + }, + ] if block.expr.is_none() => Some(expr), _ => None, } } diff --git a/src/tools/clippy/clippy_lints/src/declared_lints.rs b/src/tools/clippy/clippy_lints/src/declared_lints.rs index 2cccd6ba270..bb825c7655f 100644 --- a/src/tools/clippy/clippy_lints/src/declared_lints.rs +++ b/src/tools/clippy/clippy_lints/src/declared_lints.rs @@ -64,6 +64,7 @@ pub static LINTS: &[&crate::LintInfo] = &[ crate::casts::CAST_SLICE_DIFFERENT_SIZES_INFO, crate::casts::CAST_SLICE_FROM_RAW_PARTS_INFO, crate::casts::CHAR_LIT_AS_U8_INFO, + crate::casts::CONFUSING_METHOD_TO_NUMERIC_CAST_INFO, crate::casts::FN_TO_NUMERIC_CAST_INFO, crate::casts::FN_TO_NUMERIC_CAST_ANY_INFO, crate::casts::FN_TO_NUMERIC_CAST_WITH_TRUNCATION_INFO, @@ -75,6 +76,7 @@ pub static LINTS: &[&crate::LintInfo] = &[ crate::casts::ZERO_PTR_INFO, crate::cfg_not_test::CFG_NOT_TEST_INFO, crate::checked_conversions::CHECKED_CONVERSIONS_INFO, + crate::cloned_ref_to_slice_refs::CLONED_REF_TO_SLICE_REFS_INFO, crate::cognitive_complexity::COGNITIVE_COMPLEXITY_INFO, crate::collapsible_if::COLLAPSIBLE_ELSE_IF_INFO, crate::collapsible_if::COLLAPSIBLE_IF_INFO, @@ -705,13 +707,9 @@ pub static LINTS: &[&crate::LintInfo] = &[ crate::transmute::MISSING_TRANSMUTE_ANNOTATIONS_INFO, crate::transmute::TRANSMUTES_EXPRESSIBLE_AS_PTR_CASTS_INFO, crate::transmute::TRANSMUTE_BYTES_TO_STR_INFO, - crate::transmute::TRANSMUTE_FLOAT_TO_INT_INFO, crate::transmute::TRANSMUTE_INT_TO_BOOL_INFO, - crate::transmute::TRANSMUTE_INT_TO_CHAR_INFO, - crate::transmute::TRANSMUTE_INT_TO_FLOAT_INFO, crate::transmute::TRANSMUTE_INT_TO_NON_ZERO_INFO, crate::transmute::TRANSMUTE_NULL_TO_FN_INFO, - crate::transmute::TRANSMUTE_NUM_TO_BYTES_INFO, crate::transmute::TRANSMUTE_PTR_TO_PTR_INFO, crate::transmute::TRANSMUTE_PTR_TO_REF_INFO, crate::transmute::TRANSMUTE_UNDEFINED_REPR_INFO, diff --git a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs index b60c11d79d4..94651538669 100644 --- a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs +++ b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs @@ -2,18 +2,18 @@ // Prefer to use those when possible. macro_rules! declare_with_version { - ($name:ident($name_version:ident): &[$ty:ty] = &[$( + ($name:ident($name_version:ident) = [$( #[clippy::version = $version:literal] $e:expr, )*]) => { - pub static $name: &[$ty] = &[$($e),*]; + pub static $name: &[(&str, &str)] = &[$($e),*]; #[allow(unused)] pub static $name_version: &[&str] = &[$($version),*]; }; } #[rustfmt::skip] -declare_with_version! { DEPRECATED(DEPRECATED_VERSION): &[(&str, &str)] = &[ +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 = "pre 1.29.0"] @@ -44,11 +44,10 @@ declare_with_version! { DEPRECATED(DEPRECATED_VERSION): &[(&str, &str)] = &[ ("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<_>`"), - // end deprecated lints. used by `cargo dev deprecate_lint` ]} #[rustfmt::skip] -declare_with_version! { RENAMED(RENAMED_VERSION): &[(&str, &str)] = &[ +declare_with_version! { RENAMED(RENAMED_VERSION) = [ #[clippy::version = ""] ("clippy::almost_complete_letter_range", "clippy::almost_complete_range"), #[clippy::version = ""] @@ -187,5 +186,12 @@ declare_with_version! { RENAMED(RENAMED_VERSION): &[(&str, &str)] = &[ ("clippy::vtable_address_comparisons", "ambiguous_wide_pointer_comparisons"), #[clippy::version = ""] ("clippy::reverse_range_loop", "clippy::reversed_empty_ranges"), - // end renamed lints. used by `cargo dev rename_lint` + #[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"), ]} diff --git a/src/tools/clippy/clippy_lints/src/derive.rs b/src/tools/clippy/clippy_lints/src/derive.rs index 06528f875a2..3443b36eb4f 100644 --- a/src/tools/clippy/clippy_lints/src/derive.rs +++ b/src/tools/clippy/clippy_lints/src/derive.rs @@ -2,7 +2,7 @@ use std::ops::ControlFlow; use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_then, span_lint_hir_and_then}; use clippy_utils::ty::{implements_trait, implements_trait_with_env, is_copy}; -use clippy_utils::{has_non_exhaustive_attr, is_lint_allowed, match_def_path, paths}; +use clippy_utils::{has_non_exhaustive_attr, is_lint_allowed, paths}; use rustc_errors::Applicability; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{FnKind, Visitor, walk_expr, walk_fn, walk_item}; @@ -377,7 +377,7 @@ fn check_unsafe_derive_deserialize<'tcx>( } if let Some(trait_def_id) = trait_ref.trait_def_id() - && match_def_path(cx, trait_def_id, &paths::SERDE_DESERIALIZE) + && paths::SERDE_DESERIALIZE.matches(cx, trait_def_id) && let ty::Adt(def, _) = ty.kind() && let Some(local_def_id) = def.did().as_local() && let adt_hir_id = cx.tcx.local_def_id_to_hir_id(local_def_id) diff --git a/src/tools/clippy/clippy_lints/src/disallowed_macros.rs b/src/tools/clippy/clippy_lints/src/disallowed_macros.rs index fc6af204a74..9814d4fa84f 100644 --- a/src/tools/clippy/clippy_lints/src/disallowed_macros.rs +++ b/src/tools/clippy/clippy_lints/src/disallowed_macros.rs @@ -3,6 +3,7 @@ use clippy_config::Conf; use clippy_config::types::{DisallowedPath, create_disallowed_map}; use clippy_utils::diagnostics::{span_lint_and_then, span_lint_hir_and_then}; use clippy_utils::macros::macro_backtrace; +use clippy_utils::paths::PathNS; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefIdMap; @@ -76,6 +77,7 @@ impl DisallowedMacros { let (disallowed, _) = create_disallowed_map( tcx, &conf.disallowed_macros, + PathNS::Macro, |def_kind| matches!(def_kind, DefKind::Macro(_)), "macro", false, diff --git a/src/tools/clippy/clippy_lints/src/disallowed_methods.rs b/src/tools/clippy/clippy_lints/src/disallowed_methods.rs index 1382dafa931..fb970e17f38 100644 --- a/src/tools/clippy/clippy_lints/src/disallowed_methods.rs +++ b/src/tools/clippy/clippy_lints/src/disallowed_methods.rs @@ -1,6 +1,7 @@ use clippy_config::Conf; use clippy_config::types::{DisallowedPath, create_disallowed_map}; use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::paths::PathNS; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::DefIdMap; use rustc_hir::{Expr, ExprKind}; @@ -66,6 +67,7 @@ impl DisallowedMethods { let (disallowed, _) = create_disallowed_map( tcx, &conf.disallowed_methods, + PathNS::Value, |def_kind| { matches!( def_kind, diff --git a/src/tools/clippy/clippy_lints/src/disallowed_types.rs b/src/tools/clippy/clippy_lints/src/disallowed_types.rs index 2bae82648ac..d0b2f0c8407 100644 --- a/src/tools/clippy/clippy_lints/src/disallowed_types.rs +++ b/src/tools/clippy/clippy_lints/src/disallowed_types.rs @@ -1,6 +1,7 @@ use clippy_config::Conf; use clippy_config::types::{DisallowedPath, create_disallowed_map}; use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::paths::PathNS; use rustc_data_structures::fx::FxHashMap; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefIdMap; @@ -60,7 +61,14 @@ pub struct DisallowedTypes { impl DisallowedTypes { pub fn new(tcx: TyCtxt<'_>, conf: &'static Conf) -> Self { - let (def_ids, prim_tys) = create_disallowed_map(tcx, &conf.disallowed_types, def_kind_predicate, "type", true); + let (def_ids, prim_tys) = create_disallowed_map( + tcx, + &conf.disallowed_types, + PathNS::Type, + def_kind_predicate, + "type", + true, + ); Self { def_ids, prim_tys } } diff --git a/src/tools/clippy/clippy_lints/src/doc/mod.rs b/src/tools/clippy/clippy_lints/src/doc/mod.rs index ab77edf1147..87da380e954 100644 --- a/src/tools/clippy/clippy_lints/src/doc/mod.rs +++ b/src/tools/clippy/clippy_lints/src/doc/mod.rs @@ -93,7 +93,7 @@ declare_clippy_lint! { /// ```no_run /// //! <code>[first](x)second</code> /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.87.0"] pub DOC_LINK_CODE, nursery, "link with code back-to-back with other code" 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 553a00ed868..e653a57196d 100644 --- a/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs @@ -759,12 +759,12 @@ impl<'tcx> LateLintPass<'tcx> for FloatingPointArithmetic { let recv_ty = cx.typeck_results().expr_ty(receiver); if recv_ty.is_floating_point() && !is_no_std_crate(cx) && is_inherent_method_call(cx, expr) { - match path.ident.name.as_str() { - "ln" => check_ln1p(cx, expr, receiver), - "log" => check_log_base(cx, expr, receiver, args), - "powf" => check_powf(cx, expr, receiver, args), - "powi" => check_powi(cx, expr, receiver, args), - "sqrt" => check_hypot(cx, expr, receiver), + match path.ident.name { + sym::ln => check_ln1p(cx, expr, receiver), + sym::log => check_log_base(cx, expr, receiver, args), + sym::powf => check_powf(cx, expr, receiver, args), + sym::powi => check_powi(cx, expr, receiver, args), + sym::sqrt => check_hypot(cx, expr, receiver), _ => {}, } } diff --git a/src/tools/clippy/clippy_lints/src/functions/mod.rs b/src/tools/clippy/clippy_lints/src/functions/mod.rs index 5f3fc5100e7..d0d02a382d1 100644 --- a/src/tools/clippy/clippy_lints/src/functions/mod.rs +++ b/src/tools/clippy/clippy_lints/src/functions/mod.rs @@ -9,8 +9,8 @@ mod too_many_arguments; mod too_many_lines; use clippy_config::Conf; -use clippy_utils::def_path_def_ids; use clippy_utils::msrvs::Msrv; +use clippy_utils::paths::{PathNS, lookup_path_str}; use rustc_hir as hir; use rustc_hir::intravisit; use rustc_lint::{LateContext, LateLintPass}; @@ -469,7 +469,7 @@ impl Functions { trait_ids: conf .allow_renamed_params_for .iter() - .flat_map(|p| def_path_def_ids(tcx, &p.split("::").collect::<Vec<_>>())) + .flat_map(|p| lookup_path_str(tcx, PathNS::Type, p)) .collect(), msrv: conf.msrv, } diff --git a/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs b/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs index 514e72a4868..0823ef53ef9 100644 --- a/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs +++ b/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs @@ -69,7 +69,7 @@ declare_clippy_lint! { /// /// let result = a.saturating_sub(b); /// ``` - #[clippy::version = "1.44.0"] + #[clippy::version = "1.83.0"] pub INVERTED_SATURATING_SUB, correctness, "Check if a variable is smaller than another one and still subtract from it even if smaller" 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 b1271a264b5..3d4dcd02070 100644 --- a/src/tools/clippy/clippy_lints/src/item_name_repetitions.rs +++ b/src/tools/clippy/clippy_lints/src/item_name_repetitions.rs @@ -5,7 +5,7 @@ use clippy_utils::macros::span_is_local; use clippy_utils::source::is_present_in_source; use clippy_utils::str_utils::{camel_case_split, count_match_end, count_match_start, to_camel_case, to_snake_case}; use rustc_data_structures::fx::FxHashSet; -use rustc_hir::{EnumDef, FieldDef, Item, ItemKind, OwnerId, Variant, VariantData}; +use rustc_hir::{EnumDef, FieldDef, Item, ItemKind, OwnerId, QPath, TyKind, Variant, VariantData}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; use rustc_span::symbol::Symbol; @@ -162,6 +162,7 @@ pub struct ItemNameRepetitions { enum_threshold: u64, struct_threshold: u64, avoid_breaking_exported_api: bool, + allow_exact_repetitions: bool, allow_private_module_inception: bool, allowed_prefixes: FxHashSet<String>, } @@ -173,6 +174,7 @@ impl ItemNameRepetitions { enum_threshold: conf.enum_variant_name_threshold, struct_threshold: conf.struct_field_name_threshold, avoid_breaking_exported_api: conf.avoid_breaking_exported_api, + allow_exact_repetitions: conf.allow_exact_repetitions, allow_private_module_inception: conf.allow_private_module_inception, allowed_prefixes: conf.allowed_prefixes.iter().map(|s| to_camel_case(s)).collect(), } @@ -405,6 +407,7 @@ fn check_enum_start(cx: &LateContext<'_>, item_name: &str, variant: &Variant<'_> if count_match_start(item_name, name).char_count == item_name_chars && name.chars().nth(item_name_chars).is_some_and(|c| !c.is_lowercase()) && name.chars().nth(item_name_chars + 1).is_some_and(|c| !c.is_numeric()) + && !check_enum_tuple_path_match(name, variant.data) { span_lint_hir( cx, @@ -420,7 +423,9 @@ fn check_enum_end(cx: &LateContext<'_>, item_name: &str, variant: &Variant<'_>) let name = variant.ident.name.as_str(); let item_name_chars = item_name.chars().count(); - if count_match_end(item_name, name).char_count == item_name_chars { + if count_match_end(item_name, name).char_count == item_name_chars + && !check_enum_tuple_path_match(name, variant.data) + { span_lint_hir( cx, ENUM_VARIANT_NAMES, @@ -431,6 +436,27 @@ fn check_enum_end(cx: &LateContext<'_>, item_name: &str, variant: &Variant<'_>) } } +/// Checks if an enum tuple variant contains a single field +/// whose qualified path contains the variant's name. +fn check_enum_tuple_path_match(variant_name: &str, variant_data: VariantData<'_>) -> bool { + // Only check single-field tuple variants + let VariantData::Tuple(fields, ..) = variant_data else { + return false; + }; + if fields.len() != 1 { + return false; + } + // Check if field type is a path and contains the variant name + match fields[0].ty.kind { + TyKind::Path(QPath::Resolved(_, path)) => path + .segments + .iter() + .any(|segment| segment.ident.name.as_str() == variant_name), + TyKind::Path(QPath::TypeRelative(_, segment)) => segment.ident.name.as_str() == variant_name, + _ => false, + } +} + impl LateLintPass<'_> for ItemNameRepetitions { fn check_item_post(&mut self, _cx: &LateContext<'_>, item: &Item<'_>) { let Some(_ident) = item.kind.ident() else { return }; @@ -462,11 +488,21 @@ impl LateLintPass<'_> for ItemNameRepetitions { } // The `module_name_repetitions` lint should only trigger if the item has the module in its - // name. Having the same name is accepted. - if cx.tcx.visibility(item.owner_id).is_public() - && cx.tcx.visibility(mod_owner_id.def_id).is_public() - && item_camel.len() > mod_camel.len() - { + // name. Having the same name is only accepted if `allow_exact_repetition` is set to `true`. + + let both_are_public = + cx.tcx.visibility(item.owner_id).is_public() && cx.tcx.visibility(mod_owner_id.def_id).is_public(); + + if both_are_public && !self.allow_exact_repetitions && item_camel == *mod_camel { + span_lint( + cx, + MODULE_NAME_REPETITIONS, + ident.span, + "item name is the same as its containing module's name", + ); + } + + if both_are_public && item_camel.len() > mod_camel.len() { let matching = count_match_start(mod_camel, &item_camel); let rmatching = count_match_end(mod_camel, &item_camel); let nchars = mod_camel.chars().count(); diff --git a/src/tools/clippy/clippy_lints/src/let_underscore.rs b/src/tools/clippy/clippy_lints/src/let_underscore.rs index bdbf5b37c5f..916191b2a7b 100644 --- a/src/tools/clippy/clippy_lints/src/let_underscore.rs +++ b/src/tools/clippy/clippy_lints/src/let_underscore.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::ty::{implements_trait, is_must_use_ty, match_type}; +use clippy_utils::ty::{implements_trait, is_must_use_ty}; use clippy_utils::{is_from_proc_macro, is_must_use_func_call, paths}; use rustc_hir::{LetStmt, LocalSource, PatKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -129,12 +129,6 @@ declare_clippy_lint! { declare_lint_pass!(LetUnderscore => [LET_UNDERSCORE_MUST_USE, LET_UNDERSCORE_LOCK, LET_UNDERSCORE_FUTURE, LET_UNDERSCORE_UNTYPED]); -const SYNC_GUARD_PATHS: [&[&str]; 3] = [ - &paths::PARKING_LOT_MUTEX_GUARD, - &paths::PARKING_LOT_RWLOCK_READ_GUARD, - &paths::PARKING_LOT_RWLOCK_WRITE_GUARD, -]; - impl<'tcx> LateLintPass<'tcx> for LetUnderscore { fn check_local(&mut self, cx: &LateContext<'tcx>, local: &LetStmt<'tcx>) { if matches!(local.source, LocalSource::Normal) @@ -144,7 +138,9 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { { let init_ty = cx.typeck_results().expr_ty(init); let contains_sync_guard = init_ty.walk().any(|inner| match inner.unpack() { - GenericArgKind::Type(inner_ty) => SYNC_GUARD_PATHS.iter().any(|path| match_type(cx, inner_ty, path)), + 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()))), GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false, }); if contains_sync_guard { diff --git a/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs b/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs index 9c8488ff381..1917ca24a05 100644 --- a/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs +++ b/src/tools/clippy/clippy_lints/src/let_with_type_underscore.rs @@ -1,5 +1,6 @@ -use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::is_from_proc_macro; +use rustc_errors::Applicability; use rustc_hir::{LetStmt, TyKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; @@ -32,13 +33,19 @@ impl<'tcx> LateLintPass<'tcx> for UnderscoreTyped { && !local.span.in_external_macro(cx.tcx.sess.source_map()) && !is_from_proc_macro(cx, ty) { - span_lint_and_help( + span_lint_and_then( cx, LET_WITH_TYPE_UNDERSCORE, local.span, "variable declared with type underscore", - Some(ty.span.with_lo(local.pat.span.hi())), - "remove the explicit type `_` declaration", + |diag| { + diag.span_suggestion_verbose( + ty.span.with_lo(local.pat.span.hi()), + "remove the explicit type `_` declaration", + "", + Applicability::MachineApplicable, + ); + }, ); } } diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index 308bb9f0e26..ff028713bf0 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -1,5 +1,4 @@ #![feature(array_windows)] -#![feature(binary_heap_into_iter_sorted)] #![feature(box_patterns)] #![feature(macro_metavar_expr_concat)] #![feature(f128)] @@ -7,7 +6,6 @@ #![feature(if_let_guard)] #![feature(iter_intersperse)] #![feature(iter_partition_in_place)] -#![feature(let_chains)] #![feature(never_type)] #![feature(round_char_boundary)] #![feature(rustc_private)] @@ -96,6 +94,7 @@ mod cargo; mod casts; mod cfg_not_test; mod checked_conversions; +mod cloned_ref_to_slice_refs; mod cognitive_complexity; mod collapsible_if; mod collection_is_never_read; @@ -731,7 +730,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_early_pass(|| Box::new(unused_unit::UnusedUnit)); store.register_late_pass(|_| Box::new(unused_unit::UnusedUnit)); store.register_late_pass(|_| Box::new(returns::Return)); - store.register_late_pass(move |tcx| Box::new(collapsible_if::CollapsibleIf::new(tcx, conf))); + store.register_late_pass(move |_| Box::new(collapsible_if::CollapsibleIf::new(conf))); store.register_late_pass(|_| Box::new(items_after_statements::ItemsAfterStatements)); store.register_early_pass(|| Box::new(precedence::Precedence)); store.register_late_pass(|_| Box::new(needless_parens_on_range_literals::NeedlessParensOnRangeLiterals)); @@ -748,7 +747,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(move |_| Box::new(unused_self::UnusedSelf::new(conf))); store.register_late_pass(|_| Box::new(mutable_debug_assertion::DebugAssertWithMutCall)); store.register_late_pass(|_| Box::new(exit::Exit)); - store.register_late_pass(|_| Box::new(to_digit_is_some::ToDigitIsSome)); + store.register_late_pass(move |_| Box::new(to_digit_is_some::ToDigitIsSome::new(conf))); store.register_late_pass(move |_| Box::new(large_stack_arrays::LargeStackArrays::new(conf))); store.register_late_pass(move |_| Box::new(large_const_arrays::LargeConstArrays::new(conf))); store.register_late_pass(|_| Box::new(floating_point_arithmetic::FloatingPointArithmetic)); @@ -944,5 +943,6 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(manual_option_as_slice::ManualOptionAsSlice::new(conf))); store.register_late_pass(|_| Box::new(single_option_map::SingleOptionMap)); store.register_late_pass(move |_| Box::new(redundant_test_prefix::RedundantTestPrefix)); + store.register_late_pass(|_| Box::new(cloned_ref_to_slice_refs::ClonedRefToSliceRefs::new(conf))); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/src/tools/clippy/clippy_lints/src/lifetimes.rs b/src/tools/clippy/clippy_lints/src/lifetimes.rs index 5ef5e3a44f8..9a64226b1ed 100644 --- a/src/tools/clippy/clippy_lints/src/lifetimes.rs +++ b/src/tools/clippy/clippy_lints/src/lifetimes.rs @@ -88,7 +88,7 @@ declare_clippy_lint! { /// x.chars() /// } /// ``` - #[clippy::version = "1.84.0"] + #[clippy::version = "1.87.0"] pub ELIDABLE_LIFETIME_NAMES, pedantic, "lifetime name that can be replaced with the anonymous lifetime" diff --git a/src/tools/clippy/clippy_lints/src/loops/manual_slice_fill.rs b/src/tools/clippy/clippy_lints/src/loops/manual_slice_fill.rs index 343f7c5d2d1..15c656cc7bc 100644 --- a/src/tools/clippy/clippy_lints/src/loops/manual_slice_fill.rs +++ b/src/tools/clippy/clippy_lints/src/loops/manual_slice_fill.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::eager_or_lazy::switch_to_eager_eval; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::{HasSession, snippet_with_applicability}; -use clippy_utils::ty::implements_trait; +use clippy_utils::ty::{implements_trait, is_slice_like}; use clippy_utils::visitors::is_local_used; use clippy_utils::{higher, peel_blocks_with_stmt, span_contains_comment}; use rustc_ast::ast::LitKind; @@ -58,6 +58,8 @@ pub(super) fn check<'tcx>( && let Res::Local(idx_hir) = idx_path.res && !is_local_used(cx, assignval, idx_hir) && msrv.meets(cx, msrvs::SLICE_FILL) + && let slice_ty = cx.typeck_results().expr_ty(slice).peel_refs() + && is_slice_like(cx, slice_ty) { sugg(cx, body, expr, slice.span, assignval.span); } diff --git a/src/tools/clippy/clippy_lints/src/loops/mod.rs b/src/tools/clippy/clippy_lints/src/loops/mod.rs index 2b66827e82e..56d2bef2305 100644 --- a/src/tools/clippy/clippy_lints/src/loops/mod.rs +++ b/src/tools/clippy/clippy_lints/src/loops/mod.rs @@ -778,7 +778,7 @@ declare_clippy_lint! { /// let _ = s[idx..]; /// } /// ``` - #[clippy::version = "1.83.0"] + #[clippy::version = "1.88.0"] pub CHAR_INDICES_AS_BYTE_INDICES, correctness, "using the character position yielded by `.chars().enumerate()` in a context where a byte index is expected" diff --git a/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs b/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs index c515e41f242..bac4b3d32f2 100644 --- a/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs +++ b/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs @@ -36,7 +36,7 @@ declare_clippy_lint! { /// a.abs_diff(b) /// # ; /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.88.0"] pub MANUAL_ABS_DIFF, complexity, "using an if-else pattern instead of `abs_diff`" diff --git a/src/tools/clippy/clippy_lints/src/manual_ignore_case_cmp.rs b/src/tools/clippy/clippy_lints/src/manual_ignore_case_cmp.rs index d92069edb6d..57c03fbb2ed 100644 --- a/src/tools/clippy/clippy_lints/src/manual_ignore_case_cmp.rs +++ b/src/tools/clippy/clippy_lints/src/manual_ignore_case_cmp.rs @@ -1,6 +1,7 @@ use crate::manual_ignore_case_cmp::MatchType::{Literal, ToAscii}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet_with_applicability; +use clippy_utils::sym; use clippy_utils::ty::{get_type_diagnostic_name, is_type_diagnostic_item, is_type_lang_item}; use rustc_ast::LitKind; use rustc_errors::Applicability; @@ -10,7 +11,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_middle::ty::{Ty, UintTy}; use rustc_session::declare_lint_pass; -use rustc_span::{Span, sym}; +use rustc_span::Span; declare_clippy_lint! { /// ### What it does @@ -47,9 +48,9 @@ enum MatchType<'a, 'b> { fn get_ascii_type<'a, 'b>(cx: &LateContext<'a>, kind: rustc_hir::ExprKind<'b>) -> Option<(Span, MatchType<'a, 'b>)> { if let MethodCall(path, expr, _, _) = kind { - let is_lower = match path.ident.name.as_str() { - "to_ascii_lowercase" => true, - "to_ascii_uppercase" => false, + let is_lower = match path.ident.name { + sym::to_ascii_lowercase => true, + sym::to_ascii_uppercase => false, _ => return None, }; let ty_raw = cx.typeck_results().expr_ty(expr); diff --git a/src/tools/clippy/clippy_lints/src/manual_let_else.rs b/src/tools/clippy/clippy_lints/src/manual_let_else.rs index d6ac6e106b4..0b3bec714c0 100644 --- a/src/tools/clippy/clippy_lints/src/manual_let_else.rs +++ b/src/tools/clippy/clippy_lints/src/manual_let_else.rs @@ -4,11 +4,14 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::IfLetOrMatch; use clippy_utils::source::snippet_with_context; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::{is_lint_allowed, is_never_expr, msrvs, pat_and_expr_can_be_question_mark, peel_blocks}; +use clippy_utils::{ + MaybePath, is_lint_allowed, is_never_expr, is_wild, msrvs, pat_and_expr_can_be_question_mark, path_res, peel_blocks, +}; use rustc_ast::BindingMode; use rustc_data_structures::fx::FxHashMap; use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, MatchSource, Pat, PatExpr, PatExprKind, PatKind, QPath, Stmt, StmtKind}; +use rustc_hir::def::{CtorOf, DefKind, Res}; +use rustc_hir::{Arm, Expr, ExprKind, HirId, MatchSource, Pat, PatExpr, PatExprKind, PatKind, QPath, Stmt, StmtKind}; use rustc_lint::{LateContext, LintContext}; use rustc_span::Span; @@ -91,14 +94,15 @@ impl<'tcx> QuestionMark { let Some((idx, diverging_arm)) = diverging_arm_opt else { return; }; + + let pat_arm = &arms[1 - idx]; // If the non-diverging arm is the first one, its pattern can be reused in a let/else statement. // However, if it arrives in second position, its pattern may cover some cases already covered // by the diverging one. - // TODO: accept the non-diverging arm as a second position if patterns are disjointed. - if idx == 0 { + if idx == 0 && !is_arms_disjointed(cx, diverging_arm, pat_arm) { return; } - let pat_arm = &arms[1 - idx]; + let Some(ident_map) = expr_simple_identity_map(local.pat, pat_arm.pat, pat_arm.body) else { return; }; @@ -110,6 +114,63 @@ impl<'tcx> QuestionMark { } } +/// Checks if the patterns of the arms are disjointed. Currently, we only support patterns of simple +/// enum variants without nested patterns or bindings. +/// +/// TODO: Support more complex patterns. +fn is_arms_disjointed(cx: &LateContext<'_>, arm1: &Arm<'_>, arm2: &Arm<'_>) -> bool { + if arm1.guard.is_some() || arm2.guard.is_some() { + return false; + } + + if !is_enum_variant(cx, arm1.pat) || !is_enum_variant(cx, arm2.pat) { + return false; + } + + true +} + +/// Returns `true` if the given pattern is a variant of an enum. +pub fn is_enum_variant(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { + struct Pat<'hir>(&'hir rustc_hir::Pat<'hir>); + + impl<'hir> MaybePath<'hir> for Pat<'hir> { + fn qpath_opt(&self) -> Option<&QPath<'hir>> { + match self.0.kind { + PatKind::Struct(ref qpath, fields, _) + if fields + .iter() + .all(|field| is_wild(field.pat) || matches!(field.pat.kind, PatKind::Binding(..))) => + { + Some(qpath) + }, + PatKind::TupleStruct(ref qpath, pats, _) + if pats + .iter() + .all(|pat| is_wild(pat) || matches!(pat.kind, PatKind::Binding(..))) => + { + Some(qpath) + }, + PatKind::Expr(&PatExpr { + kind: PatExprKind::Path(ref qpath), + .. + }) => Some(qpath), + _ => None, + } + } + + fn hir_id(&self) -> HirId { + self.0.hir_id + } + } + + let res = path_res(cx, &Pat(pat)); + matches!( + res, + Res::Def(DefKind::Variant, ..) | Res::Def(DefKind::Ctor(CtorOf::Variant, _), _) + ) +} + fn emit_manual_let_else( cx: &LateContext<'_>, span: Span, diff --git a/src/tools/clippy/clippy_lints/src/manual_option_as_slice.rs b/src/tools/clippy/clippy_lints/src/manual_option_as_slice.rs index b365dbf088f..b55c11f2d5b 100644 --- a/src/tools/clippy/clippy_lints/src/manual_option_as_slice.rs +++ b/src/tools/clippy/clippy_lints/src/manual_option_as_slice.rs @@ -1,7 +1,7 @@ use clippy_config::Conf; use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; use clippy_utils::msrvs::Msrv; -use clippy_utils::{is_none_arm, msrvs, peel_hir_expr_refs, sym}; +use clippy_utils::{is_none_arm, msrvs, paths, peel_hir_expr_refs, sym}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::{Arm, Expr, ExprKind, LangItem, Pat, PatKind, QPath, is_range_literal}; @@ -80,26 +80,26 @@ impl LateLintPass<'_> for ManualOptionAsSlice { check_map(cx, callee, span, self.msrv); } }, - ExprKind::MethodCall(seg, callee, [or], _) => match seg.ident.name.as_str() { - "unwrap_or" => { + ExprKind::MethodCall(seg, callee, [or], _) => match seg.ident.name { + sym::unwrap_or => { if is_empty_slice(cx, or) { check_map(cx, callee, span, self.msrv); } }, - "unwrap_or_else" => { + sym::unwrap_or_else => { if returns_empty_slice(cx, or) { check_map(cx, callee, span, self.msrv); } }, _ => {}, }, - ExprKind::MethodCall(seg, callee, [or_else, map], _) => match seg.ident.name.as_str() { - "map_or" => { + ExprKind::MethodCall(seg, callee, [or_else, map], _) => match seg.ident.name { + sym::map_or => { if is_empty_slice(cx, or_else) && is_slice_from_ref(cx, map) { check_as_ref(cx, callee, span, self.msrv); } }, - "map_or_else" => { + sym::map_or_else => { if returns_empty_slice(cx, or_else) && is_slice_from_ref(cx, map) { check_as_ref(cx, callee, span, self.msrv); } @@ -220,5 +220,5 @@ fn is_empty_slice(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { } fn is_slice_from_ref(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { - clippy_utils::is_expr_path_def_path(cx, expr, &["core", "slice", "raw", "from_ref"]) + paths::SLICE_FROM_REF.matches_path(cx, expr) } 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 b64ae0b24d8..3ac2c9fc2b3 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 @@ -1,5 +1,6 @@ use clippy_utils::consts::ConstEvalCtxt; use clippy_utils::source::{SpanRangeExt as _, indent_of, reindent_multiline}; +use rustc_ast::{BindingMode, ByRef}; use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::{Arm, Expr, ExprKind, HirId, LangItem, Pat, PatExpr, PatExprKind, PatKind, QPath}; @@ -16,7 +17,7 @@ use super::{MANUAL_UNWRAP_OR, MANUAL_UNWRAP_OR_DEFAULT}; fn get_some(cx: &LateContext<'_>, pat: &Pat<'_>) -> Option<HirId> { if let PatKind::TupleStruct(QPath::Resolved(_, path), &[pat], _) = pat.kind - && let PatKind::Binding(_, pat_id, _, _) = pat.kind + && let PatKind::Binding(BindingMode(ByRef::No, _), pat_id, _, _) = pat.kind && let Some(def_id) = path.res.opt_def_id() // Since it comes from a pattern binding, we need to get the parent to actually match // against it. diff --git a/src/tools/clippy/clippy_lints/src/mem_replace.rs b/src/tools/clippy/clippy_lints/src/mem_replace.rs index a54d835b538..28efd2038b3 100644 --- a/src/tools/clippy/clippy_lints/src/mem_replace.rs +++ b/src/tools/clippy/clippy_lints/src/mem_replace.rs @@ -62,7 +62,7 @@ declare_clippy_lint! { /// let mut an_option = Some(0); /// let taken = an_option.replace(1); /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.87.0"] pub MEM_REPLACE_OPTION_WITH_SOME, style, "replacing an `Option` with `Some` instead of `replace()`" diff --git a/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs b/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs index d07870d4951..292fa08b598 100644 --- a/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs +++ b/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs @@ -1,6 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::{SpanRangeExt, indent_of, reindent_multiline}; +use clippy_utils::sym; use clippy_utils::ty::is_type_lang_item; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -21,8 +22,8 @@ pub(super) fn check<'tcx>( ) { if let ExprKind::MethodCall(path_segment, ..) = recv.kind && matches!( - path_segment.ident.name.as_str(), - "to_lowercase" | "to_uppercase" | "to_ascii_lowercase" | "to_ascii_uppercase" + path_segment.ident.name, + sym::to_lowercase | sym::to_uppercase | sym::to_ascii_lowercase | sym::to_ascii_uppercase ) { return; diff --git a/src/tools/clippy/clippy_lints/src/methods/io_other_error.rs b/src/tools/clippy/clippy_lints/src/methods/io_other_error.rs index bdc834bd47a..ec4b9c7ae2e 100644 --- a/src/tools/clippy/clippy_lints/src/methods/io_other_error.rs +++ b/src/tools/clippy/clippy_lints/src/methods/io_other_error.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::msrvs::{self, Msrv}; +use clippy_utils::{expr_or_init, paths}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, QPath}; use rustc_lint::LateContext; @@ -8,13 +9,9 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, path: &Expr<'_>, args if let [error_kind, error] = args && !expr.span.from_expansion() && !error_kind.span.from_expansion() - && clippy_utils::is_expr_path_def_path(cx, path, &clippy_utils::paths::IO_ERROR_NEW) - && clippy_utils::is_expr_path_def_path( - cx, - clippy_utils::expr_or_init(cx, error_kind), - &clippy_utils::paths::IO_ERRORKIND_OTHER, - ) && let ExprKind::Path(QPath::TypeRelative(_, new_segment)) = path.kind + && paths::IO_ERROR_NEW.matches_path(cx, path) + && paths::IO_ERRORKIND_OTHER_CTOR.matches_path(cx, expr_or_init(cx, error_kind)) && msrv.meets(cx, msrvs::IO_ERROR_OTHER) { span_lint_and_then( 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 0274e31b4c3..3fa83cd39d1 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 @@ -1,13 +1,13 @@ 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::{get_parent_expr, sym}; use rustc_ast::{LitKind, StrStyle}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, Node, QPath, TyKind}; use rustc_lint::LateContext; use rustc_span::edition::Edition::Edition2021; -use rustc_span::{Span, Symbol, sym}; +use rustc_span::{Span, Symbol}; use super::MANUAL_C_STR_LITERALS; @@ -71,15 +71,15 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, func: &Expr<'_>, args && cx.tcx.sess.edition() >= Edition2021 && msrv.meets(cx, msrvs::C_STR_LITERALS) { - match fn_name.as_str() { - name @ ("from_bytes_with_nul" | "from_bytes_with_nul_unchecked") + match fn_name { + sym::from_bytes_with_nul | sym::from_bytes_with_nul_unchecked if !arg.span.from_expansion() && let ExprKind::Lit(lit) = arg.kind && let LitKind::ByteStr(_, StrStyle::Cooked) | LitKind::Str(_, StrStyle::Cooked) = lit.node => { - check_from_bytes(cx, expr, arg, name); + check_from_bytes(cx, expr, arg, fn_name); }, - "from_ptr" => check_from_ptr(cx, expr, arg), + sym::from_ptr => check_from_ptr(cx, expr, arg), _ => {}, } } @@ -106,13 +106,13 @@ fn check_from_ptr(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>) { } } /// Checks `CStr::from_bytes_with_nul(b"foo\0")` -fn check_from_bytes(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, method: &str) { +fn check_from_bytes(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, method: Symbol) { let (span, applicability) = if let Some(parent) = get_parent_expr(cx, expr) && let ExprKind::MethodCall(method, ..) = parent.kind && [sym::unwrap, sym::expect].contains(&method.ident.name) { (parent.span, Applicability::MachineApplicable) - } else if method == "from_bytes_with_nul_unchecked" { + } else if method == sym::from_bytes_with_nul_unchecked { // `*_unchecked` returns `&CStr` directly, nothing needs to be changed (expr.span, Applicability::MachineApplicable) } else { diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs b/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs index 18978a1d2bc..e2df8ce1513 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs @@ -1,9 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; -use clippy_utils::{match_def_path, path_def_id}; +use clippy_utils::{path_res, sym}; use rustc_ast::ast; use rustc_errors::Applicability; use rustc_hir as hir; +use rustc_hir::def::Res; use rustc_lint::LateContext; use rustc_middle::ty::layout::LayoutOf; @@ -79,16 +80,15 @@ fn is_min_or_max(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> Option<MinMax> { } let ty = cx.typeck_results().expr_ty(expr); - let ty_str = ty.to_string(); - // `std::T::MAX` `std::T::MIN` constants - if let Some(id) = path_def_id(cx, expr) { - if match_def_path(cx, id, &["core", &ty_str, "MAX"]) { - return Some(MinMax::Max); - } - - if match_def_path(cx, id, &["core", &ty_str, "MIN"]) { - return Some(MinMax::Min); + // `T::MAX` and `T::MIN` constants + if let hir::ExprKind::Path(hir::QPath::TypeRelative(base, seg)) = expr.kind + && let Res::PrimTy(_) = path_res(cx, base) + { + match seg.ident.name { + sym::MAX => return Some(MinMax::Max), + sym::MIN => return Some(MinMax::Min), + _ => {}, } } diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index 10f4637d08f..e0e6a1a59b6 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -4428,7 +4428,7 @@ declare_clippy_lint! { /// let file = BufReader::new(std::fs::File::open("./bytes.txt").unwrap()); /// file.bytes(); /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.87.0"] pub UNBUFFERED_BYTES, perf, "calling .bytes() is very inefficient when data is not in memory" @@ -4453,7 +4453,7 @@ declare_clippy_lint! { /// values.contains(&10) /// } /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.87.0"] pub MANUAL_CONTAINS, perf, "unnecessary `iter().any()` on slices that can be replaced with `contains()`" @@ -4709,6 +4709,8 @@ 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)> { @@ -4907,6 +4909,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods { impl Methods { #[allow(clippy::too_many_lines)] fn check_methods<'tcx>(&self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { + // 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]) => { @@ -5049,29 +5052,12 @@ impl Methods { Some(("err", recv, [], err_span, _)) => { err_expect::check(cx, expr, recv, span, err_span, self.msrv); }, - _ => unwrap_expect_used::check( - cx, - expr, - recv, - false, - self.allow_expect_in_consts, - self.allow_expect_in_tests, - unwrap_expect_used::Variant::Expect, - ), + _ => {}, } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("expect_err", [_]) => { + ("expect_err", [_]) | ("unwrap_err" | "unwrap_unchecked" | "unwrap_err_unchecked", []) => { unnecessary_literal_unwrap::check(cx, expr, recv, name, args); - unwrap_expect_used::check( - cx, - expr, - recv, - true, - self.allow_expect_in_consts, - self.allow_expect_in_tests, - unwrap_expect_used::Variant::Expect, - ); }, ("extend", [arg]) => { string_extend_chars::check(cx, expr, recv, arg); @@ -5437,27 +5423,6 @@ impl Methods { _ => {}, } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); - unwrap_expect_used::check( - cx, - expr, - recv, - false, - self.allow_unwrap_in_consts, - self.allow_unwrap_in_tests, - unwrap_expect_used::Variant::Unwrap, - ); - }, - ("unwrap_err", []) => { - unnecessary_literal_unwrap::check(cx, expr, recv, name, args); - unwrap_expect_used::check( - cx, - expr, - recv, - true, - self.allow_unwrap_in_consts, - self.allow_unwrap_in_tests, - unwrap_expect_used::Variant::Unwrap, - ); }, ("unwrap_or", [u_arg]) => { match method_call(recv) { @@ -5486,9 +5451,6 @@ impl Methods { } unnecessary_literal_unwrap::check(cx, expr, recv, name, args); }, - ("unwrap_unchecked" | "unwrap_err_unchecked", []) => { - unnecessary_literal_unwrap::check(cx, expr, recv, name, args); - }, ("unwrap_or_else", [u_arg]) => { match method_call(recv) { Some(("map", recv, [map_arg], _, _)) @@ -5526,6 +5488,56 @@ 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", _, [], _, _))) => { + unwrap_expect_used::check( + cx, + expr, + recv, + false, + self.allow_expect_in_consts, + self.allow_expect_in_tests, + unwrap_expect_used::Variant::Expect, + ); + }, + ("expect_err", [_]) => { + unwrap_expect_used::check( + cx, + expr, + recv, + true, + self.allow_expect_in_consts, + self.allow_expect_in_tests, + unwrap_expect_used::Variant::Expect, + ); + }, + ("unwrap", []) => { + unwrap_expect_used::check( + cx, + expr, + recv, + false, + self.allow_unwrap_in_consts, + self.allow_unwrap_in_tests, + unwrap_expect_used::Variant::Unwrap, + ); + }, + ("unwrap_err", []) => { + unwrap_expect_used::check( + cx, + expr, + recv, + true, + self.allow_unwrap_in_consts, + self.allow_unwrap_in_tests, + unwrap_expect_used::Variant::Unwrap, + ); + }, + _ => {}, + } + } } } diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_character_iteration.rs b/src/tools/clippy/clippy_lints/src/methods/needless_character_iteration.rs index f528f7f065c..71c1576cd57 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_character_iteration.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_character_iteration.rs @@ -7,9 +7,8 @@ use rustc_span::Span; use super::NEEDLESS_CHARACTER_ITERATION; use super::utils::get_last_chain_binding_hir_id; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::paths::CHAR_IS_ASCII; use clippy_utils::source::SpanRangeExt; -use clippy_utils::{match_def_path, path_to_local_id, peel_blocks, sym}; +use clippy_utils::{is_path_diagnostic_item, path_to_local_id, peel_blocks, sym}; fn peels_expr_ref<'a, 'tcx>(mut expr: &'a Expr<'tcx>) -> &'a Expr<'tcx> { while let ExprKind::AddrOf(_, _, e) = expr.kind { @@ -76,9 +75,7 @@ fn handle_expr( // If we have `!is_ascii`, then only `.any()` should warn. And if the condition is // `is_ascii`, then only `.all()` should warn. if revert != is_all - && let ExprKind::Path(path) = fn_path.kind - && let Some(fn_def_id) = cx.qpath_res(&path, fn_path.hir_id).opt_def_id() - && match_def_path(cx, fn_def_id, &CHAR_IS_ASCII) + && is_path_diagnostic_item(cx, fn_path, sym::char_is_ascii) && path_to_local_id(peels_expr_ref(arg), first_param) && let Some(snippet) = before_chars.get_source_text(cx) { 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 cd22583b8a2..4c1ed6a1d83 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs @@ -357,20 +357,20 @@ impl<'tcx> Visitor<'tcx> for IterFunctionVisitor<'_, 'tcx> { if let Some(hir_id) = self.current_statement_hir_id { self.hir_id_uses_map.insert(hir_id, self.uses.len()); } - match method_name.ident.name.as_str() { - "into_iter" => self.uses.push(Some(IterFunction { + match method_name.ident.name { + sym::into_iter => self.uses.push(Some(IterFunction { func: IterFunctionKind::IntoIter(expr.hir_id), span: expr.span, })), - "len" => self.uses.push(Some(IterFunction { + sym::len => self.uses.push(Some(IterFunction { func: IterFunctionKind::Len, span: expr.span, })), - "is_empty" => self.uses.push(Some(IterFunction { + sym::is_empty => self.uses.push(Some(IterFunction { func: IterFunctionKind::IsEmpty, span: expr.span, })), - "contains" => self.uses.push(Some(IterFunction { + sym::contains => self.uses.push(Some(IterFunction { func: IterFunctionKind::Contains(args[0].span), span: expr.span, })), diff --git a/src/tools/clippy/clippy_lints/src/methods/open_options.rs b/src/tools/clippy/clippy_lints/src/methods/open_options.rs index da084871402..bce314e64f0 100644 --- a/src/tools/clippy/clippy_lints/src/methods/open_options.rs +++ b/src/tools/clippy/clippy_lints/src/methods/open_options.rs @@ -1,8 +1,8 @@ use rustc_data_structures::fx::FxHashMap; use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; -use clippy_utils::ty::{is_type_diagnostic_item, match_type}; -use clippy_utils::{match_any_def_paths, paths}; +use clippy_utils::paths; +use clippy_utils::ty::is_type_diagnostic_item; use rustc_ast::ast::LitKind; use rustc_hir::{Expr, ExprKind}; use rustc_lint::LateContext; @@ -13,7 +13,7 @@ use rustc_span::{Span, sym}; use super::{NONSENSICAL_OPEN_OPTIONS, SUSPICIOUS_OPEN_OPTIONS}; fn is_open_options(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { - is_type_diagnostic_item(cx, ty, sym::FsOpenOptions) || match_type(cx, ty, &paths::TOKIO_IO_OPEN_OPTIONS) + is_type_diagnostic_item(cx, ty, sym::FsOpenOptions) || paths::TOKIO_IO_OPEN_OPTIONS.matches_ty(cx, ty) } pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, recv: &'tcx Expr<'_>) { @@ -126,14 +126,14 @@ fn get_open_options( && let ExprKind::Path(path) = callee.kind && let Some(did) = cx.qpath_res(&path, callee.hir_id).opt_def_id() { - let std_file_options = [sym::file_options, sym::open_options_new]; - - let tokio_file_options: &[&[&str]] = &[&paths::TOKIO_IO_OPEN_OPTIONS_NEW, &paths::TOKIO_FILE_OPTIONS]; + let is_std_options = matches!( + cx.tcx.get_diagnostic_name(did), + Some(sym::file_options | sym::open_options_new) + ); - let is_std_options = std_file_options - .into_iter() - .any(|sym| cx.tcx.is_diagnostic_item(sym, did)); - is_std_options || match_any_def_paths(cx, did, tokio_file_options).is_some() + is_std_options + || paths::TOKIO_IO_OPEN_OPTIONS_NEW.matches(cx, did) + || paths::TOKIO_FILE_OPTIONS.matches(cx, did) } else { false } diff --git a/src/tools/clippy/clippy_lints/src/methods/return_and_then.rs b/src/tools/clippy/clippy_lints/src/methods/return_and_then.rs index 91643b0dfef..df8544f9220 100644 --- a/src/tools/clippy/clippy_lints/src/methods/return_and_then.rs +++ b/src/tools/clippy/clippy_lints/src/methods/return_and_then.rs @@ -9,7 +9,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::{indent_of, reindent_multiline, snippet_with_applicability}; use clippy_utils::ty::get_type_diagnostic_name; use clippy_utils::visitors::for_each_unconsumed_temporary; -use clippy_utils::{is_expr_final_block_expr, peel_blocks}; +use clippy_utils::{get_parent_expr, peel_blocks}; use super::RETURN_AND_THEN; @@ -21,7 +21,7 @@ pub(super) fn check<'tcx>( recv: &'tcx hir::Expr<'tcx>, arg: &'tcx hir::Expr<'_>, ) { - if !is_expr_final_block_expr(cx.tcx, expr) { + if cx.tcx.hir_get_fn_id_for_return_block(expr.hir_id).is_none() { return; } @@ -55,12 +55,24 @@ pub(super) fn check<'tcx>( None => &body_snip, }; - let sugg = format!( - "let {} = {}?;\n{}", - arg_snip, - recv_snip, - reindent_multiline(inner, false, indent_of(cx, expr.span)) - ); + // If suggestion is going to get inserted as part of a `return` expression, it must be blockified. + let sugg = if let Some(parent_expr) = get_parent_expr(cx, expr) { + let base_indent = indent_of(cx, parent_expr.span); + let inner_indent = base_indent.map(|i| i + 4); + format!( + "{}\n{}\n{}", + reindent_multiline(&format!("{{\nlet {arg_snip} = {recv_snip}?;"), true, inner_indent), + reindent_multiline(inner, false, inner_indent), + reindent_multiline("}", false, base_indent), + ) + } else { + format!( + "let {} = {}?;\n{}", + arg_snip, + recv_snip, + reindent_multiline(inner, false, indent_of(cx, expr.span)) + ) + }; span_lint_and_sugg( cx, 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 d183457da25..c8efb600f57 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, match_def_path, path_to_local_id, paths}; +use clippy_utils::{is_diag_item_method, path_to_local_id, paths}; use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir::{ @@ -288,7 +288,7 @@ fn parse_iter_usage<'tcx>( match (name.ident.as_str(), args) { ("next", []) if cx.tcx.trait_of_item(did) == Some(iter_id) => (IterUsageKind::Nth(0), e.span), ("next_tuple", []) => { - return if match_def_path(cx, did, &paths::ITERTOOLS_NEXT_TUPLE) + return if paths::ITERTOOLS_NEXT_TUPLE.matches(cx, did) && let ty::Adt(adt_def, subs) = cx.typeck_results().expr_ty(e).kind() && cx.tcx.is_diagnostic_item(sym::Option, adt_def.did()) && let ty::Tuple(subs) = subs.type_at(0).kind() 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 0cbf6004be3..17e2620d9dd 100644 --- a/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs +++ b/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs @@ -1,9 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; use clippy_utils::ty::{implements_trait, should_call_clone_as_function, walk_ptrs_ty_depth}; -use clippy_utils::{ - get_parent_expr, is_diag_trait_item, match_def_path, path_to_local_id, peel_blocks, strip_pat_refs, -}; +use clippy_utils::{get_parent_expr, is_diag_trait_item, path_to_local_id, peel_blocks, strip_pat_refs}; use rustc_errors::Applicability; use rustc_hir::{self as hir, LangItem}; use rustc_lint::LateContext; @@ -81,8 +79,9 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, call_name: &str, applicability, ); } - } else if match_def_path(cx, def_id, &["core", "option", "Option", call_name]) - || match_def_path(cx, def_id, &["core", "result", "Result", call_name]) + } else if let Some(impl_id) = cx.tcx.opt_parent(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())) { let rcv_ty = cx.typeck_results().expr_ty(recvr).peel_refs(); let res_ty = cx.typeck_results().expr_ty(expr).peel_refs(); 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 1f142bc3ba6..f3e24044fb6 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 @@ -155,9 +155,9 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn { return; } - let mir = cx.tcx.mir_drops_elaborated_and_const_checked(def_id); + let mir = cx.tcx.optimized_mir(def_id); - if let Ok(()) = is_min_const_fn(cx, &mir.borrow(), self.msrv) + if let Ok(()) = is_min_const_fn(cx, mir, self.msrv) && let hir::Node::Item(hir::Item { vis_span, .. }) | hir::Node::ImplItem(hir::ImplItem { vis_span, .. }) = cx.tcx.hir_node_by_def_id(def_id) { diff --git a/src/tools/clippy/clippy_lints/src/missing_doc.rs b/src/tools/clippy/clippy_lints/src/missing_doc.rs index b234b190153..7772051eb5c 100644 --- a/src/tools/clippy/clippy_lints/src/missing_doc.rs +++ b/src/tools/clippy/clippy_lints/src/missing_doc.rs @@ -48,6 +48,8 @@ pub struct MissingDoc { /// Whether to **only** check for missing documentation in items visible within the current /// crate. For example, `pub(crate)` items. crate_items_only: bool, + /// Whether to allow fields starting with an underscore to skip documentation requirements + allow_unused: bool, /// Stack of whether #[doc(hidden)] is set /// at each level which has lint attributes. doc_hidden_stack: Vec<bool>, @@ -59,6 +61,7 @@ impl MissingDoc { pub fn new(conf: &'static Conf) -> Self { Self { crate_items_only: conf.missing_docs_in_crate_items, + allow_unused: conf.missing_docs_allow_unused, doc_hidden_stack: vec![false], prev_span: None, } @@ -260,11 +263,12 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { } fn check_field_def(&mut self, cx: &LateContext<'tcx>, sf: &'tcx hir::FieldDef<'_>) { - if !sf.is_positional() { + if !(sf.is_positional() + || is_from_proc_macro(cx, sf) + || self.allow_unused && sf.ident.as_str().starts_with('_')) + { let attrs = cx.tcx.hir_attrs(sf.hir_id); - if !is_from_proc_macro(cx, sf) { - self.check_missing_docs_attrs(cx, sf.def_id, attrs, sf.span, "a", "struct field"); - } + self.check_missing_docs_attrs(cx, sf.def_id, attrs, sf.span, "a", "struct field"); } self.prev_span = Some(sf.span); } diff --git a/src/tools/clippy/clippy_lints/src/missing_enforced_import_rename.rs b/src/tools/clippy/clippy_lints/src/missing_enforced_import_rename.rs index 66631a69206..a1e621cc9f6 100644 --- a/src/tools/clippy/clippy_lints/src/missing_enforced_import_rename.rs +++ b/src/tools/clippy/clippy_lints/src/missing_enforced_import_rename.rs @@ -1,6 +1,6 @@ use clippy_config::Conf; -use clippy_utils::def_path_def_ids; use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::paths::{PathNS, lookup_path_str}; use clippy_utils::source::SpanRangeExt; use rustc_errors::Applicability; use rustc_hir::def::Res; @@ -56,8 +56,12 @@ impl ImportRename { renames: conf .enforced_import_renames .iter() - .map(|x| (x.path.split("::").collect::<Vec<_>>(), Symbol::intern(&x.rename))) - .flat_map(|(path, rename)| def_path_def_ids(tcx, &path).map(move |id| (id, rename))) + .map(|x| (&x.path, Symbol::intern(&x.rename))) + .flat_map(|(path, rename)| { + lookup_path_str(tcx, PathNS::Arbitrary, path) + .into_iter() + .map(move |id| (id, rename)) + }) .collect(), } } diff --git a/src/tools/clippy/clippy_lints/src/mutable_debug_assertion.rs b/src/tools/clippy/clippy_lints/src/mutable_debug_assertion.rs index 270eebe0758..3b271ca0dc1 100644 --- a/src/tools/clippy/clippy_lints/src/mutable_debug_assertion.rs +++ b/src/tools/clippy/clippy_lints/src/mutable_debug_assertion.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint; use clippy_utils::macros::{find_assert_eq_args, root_macro_call_first_node}; +use clippy_utils::sym; use rustc_hir::intravisit::{Visitor, walk_expr}; use rustc_hir::{BorrowKind, Expr, ExprKind, MatchSource, Mutability}; use rustc_lint::{LateContext, LateLintPass}; @@ -42,10 +43,9 @@ impl<'tcx> LateLintPass<'tcx> for DebugAssertWithMutCall { let Some(macro_call) = root_macro_call_first_node(cx, e) else { return; }; - let macro_name = cx.tcx.item_name(macro_call.def_id); if !matches!( - macro_name.as_str(), - "debug_assert" | "debug_assert_eq" | "debug_assert_ne" + cx.tcx.get_diagnostic_name(macro_call.def_id), + Some(sym::debug_assert_macro | sym::debug_assert_eq_macro | sym::debug_assert_ne_macro) ) { return; } @@ -60,7 +60,10 @@ impl<'tcx> LateLintPass<'tcx> for DebugAssertWithMutCall { cx, DEBUG_ASSERT_WITH_MUT_CALL, span, - format!("do not call a function with mutable arguments inside of `{macro_name}!`"), + format!( + "do not call a function with mutable arguments inside of `{}!`", + cx.tcx.item_name(macro_call.def_id) + ), ); } } 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 f6bc9428d65..f66b9519317 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 @@ -1,13 +1,14 @@ use clippy_config::Conf; -use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint, span_lint_hir_and_then}; use clippy_utils::msrvs::{self, Msrv}; +use clippy_utils::paths::{self, PathNS, find_crates, lookup_path_str}; use clippy_utils::visitors::for_each_expr; -use clippy_utils::{def_path_def_ids, fn_def_id, is_no_std_crate, path_def_id}; +use clippy_utils::{fn_def_id, is_no_std_crate, path_def_id, sym}; use rustc_data_structures::fx::FxIndexMap; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{CrateNum, DefId}; -use rustc_hir::{self as hir, BodyId, Expr, ExprKind, Item, ItemKind}; +use rustc_hir::{self as hir, BodyId, Expr, ExprKind, HirId, Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; use rustc_span::Span; @@ -62,10 +63,7 @@ static FUNCTION_REPLACEMENTS: &[(&str, Option<&str>)] = &[ pub struct NonStdLazyStatic { msrv: Msrv, - lazy_static_lazy_static: Vec<DefId>, - once_cell_crate: Vec<CrateNum>, - once_cell_sync_lazy: Vec<DefId>, - once_cell_sync_lazy_new: Vec<DefId>, + once_cell_crates: Vec<CrateNum>, sugg_map: FxIndexMap<DefId, Option<String>>, lazy_type_defs: FxIndexMap<DefId, LazyInfo>, uses_other_once_cell_types: bool, @@ -76,10 +74,7 @@ impl NonStdLazyStatic { pub fn new(conf: &'static Conf) -> Self { Self { msrv: conf.msrv, - lazy_static_lazy_static: Vec::new(), - once_cell_crate: Vec::new(), - once_cell_sync_lazy: Vec::new(), - once_cell_sync_lazy_new: Vec::new(), + once_cell_crates: Vec::new(), sugg_map: FxIndexMap::default(), lazy_type_defs: FxIndexMap::default(), uses_other_once_cell_types: false, @@ -95,17 +90,15 @@ fn can_use_lazy_cell(cx: &LateContext<'_>, msrv: Msrv) -> bool { impl<'hir> LateLintPass<'hir> for NonStdLazyStatic { fn check_crate(&mut self, cx: &LateContext<'hir>) { - // Fetch def_ids for external paths - self.lazy_static_lazy_static = def_path_def_ids(cx.tcx, &["lazy_static", "lazy_static"]).collect(); - self.once_cell_sync_lazy = def_path_def_ids(cx.tcx, &["once_cell", "sync", "Lazy"]).collect(); - self.once_cell_sync_lazy_new = def_path_def_ids(cx.tcx, &["once_cell", "sync", "Lazy", "new"]).collect(); - // And CrateNums for `once_cell` crate - self.once_cell_crate = self.once_cell_sync_lazy.iter().map(|d| d.krate).collect(); + // Add CrateNums for `once_cell` crate + self.once_cell_crates = find_crates(cx.tcx, sym::once_cell) + .iter() + .map(|def_id| def_id.krate) + .collect(); // Convert hardcoded fn replacement list into a map with def_id for (path, sugg) in FUNCTION_REPLACEMENTS { - let path_vec: Vec<&str> = path.split("::").collect(); - for did in def_path_def_ids(cx.tcx, &path_vec) { + for did in lookup_path_str(cx.tcx, PathNS::Value, path) { self.sugg_map.insert(did, sugg.map(ToOwned::to_owned)); } } @@ -114,7 +107,7 @@ impl<'hir> LateLintPass<'hir> for NonStdLazyStatic { fn check_item(&mut self, cx: &LateContext<'hir>, item: &Item<'hir>) { if let ItemKind::Static(..) = item.kind && let Some(macro_call) = clippy_utils::macros::root_macro_call(item.span) - && self.lazy_static_lazy_static.contains(¯o_call.def_id) + && paths::LAZY_STATIC.matches(cx, macro_call.def_id) && can_use_lazy_cell(cx, self.msrv) { span_lint( @@ -130,7 +123,7 @@ impl<'hir> LateLintPass<'hir> for NonStdLazyStatic { return; } - if let Some(lazy_info) = LazyInfo::from_item(self, cx, item) + if let Some(lazy_info) = LazyInfo::from_item(cx, item) && can_use_lazy_cell(cx, self.msrv) { self.lazy_type_defs.insert(item.owner_id.to_def_id(), lazy_info); @@ -155,9 +148,9 @@ impl<'hir> LateLintPass<'hir> for NonStdLazyStatic { if let rustc_hir::TyKind::Path(qpath) = ty.peel_refs().kind && let Some(ty_def_id) = cx.qpath_res(&qpath, ty.hir_id).opt_def_id() // Is from `once_cell` crate - && self.once_cell_crate.contains(&ty_def_id.krate) + && self.once_cell_crates.contains(&ty_def_id.krate) // And is NOT `once_cell::sync::Lazy` - && !self.once_cell_sync_lazy.contains(&ty_def_id) + && !paths::ONCE_CELL_SYNC_LAZY.matches(cx, ty_def_id) { self.uses_other_once_cell_types = true; } @@ -180,6 +173,8 @@ struct LazyInfo { /// // ^^^^ /// ``` ty_span_no_args: Span, + /// Item on which the lint must be generated. + item_hir_id: HirId, /// `Span` and `DefId` of calls on `Lazy` type. /// i.e.: /// ```ignore @@ -190,12 +185,12 @@ struct LazyInfo { } impl LazyInfo { - fn from_item(state: &NonStdLazyStatic, cx: &LateContext<'_>, item: &Item<'_>) -> Option<Self> { + 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 && let Some(path_def_id) = path_def_id(cx, ty) && let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = ty.kind - && state.once_cell_sync_lazy.contains(&path_def_id) + && paths::ONCE_CELL_SYNC_LAZY.matches(cx, path_def_id) { let ty_span_no_args = path_span_without_args(path); let body = cx.tcx.hir_body(body_id); @@ -204,7 +199,7 @@ impl LazyInfo { let mut new_fn_calls = FxIndexMap::default(); for_each_expr::<(), ()>(cx, body, |ex| { if let Some((fn_did, call_span)) = fn_def_id_and_span_from_body(cx, ex, body_id) - && state.once_cell_sync_lazy_new.contains(&fn_did) + && paths::ONCE_CELL_SYNC_LAZY_NEW.matches(cx, fn_did) { new_fn_calls.insert(call_span, fn_did); } @@ -213,6 +208,7 @@ impl LazyInfo { Some(LazyInfo { ty_span_no_args, + item_hir_id: item.hir_id(), calls_span_and_id: new_fn_calls, }) } else { @@ -236,9 +232,10 @@ impl LazyInfo { } } - span_lint_and_then( + span_lint_hir_and_then( cx, NON_STD_LAZY_STATICS, + self.item_hir_id, self.ty_span_no_args, "this type has been superseded by `LazyLock` in the standard library", |diag| { diff --git a/src/tools/clippy/clippy_lints/src/operators/eq_op.rs b/src/tools/clippy/clippy_lints/src/operators/eq_op.rs index 1421893274f..d79101a687d 100644 --- a/src/tools/clippy/clippy_lints/src/operators/eq_op.rs +++ b/src/tools/clippy/clippy_lints/src/operators/eq_op.rs @@ -1,20 +1,18 @@ use clippy_utils::ast_utils::is_useless_with_eq_exprs; use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; use clippy_utils::macros::{find_assert_eq_args, first_node_macro_backtrace}; -use clippy_utils::{eq_expr_value, is_in_test_function}; +use clippy_utils::{eq_expr_value, is_in_test_function, sym}; use rustc_hir::{BinOpKind, Expr}; use rustc_lint::LateContext; use super::EQ_OP; pub(crate) fn check_assert<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { - if let Some((macro_call, macro_name)) = first_node_macro_backtrace(cx, e).find_map(|macro_call| { - let name = cx.tcx.item_name(macro_call.def_id); + if let Some(macro_call) = first_node_macro_backtrace(cx, e).find(|macro_call| { matches!( - name.as_str(), - "assert_eq" | "assert_ne" | "debug_assert_eq" | "debug_assert_ne" + cx.tcx.get_diagnostic_name(macro_call.def_id), + Some(sym::assert_eq_macro | sym::assert_ne_macro | sym::debug_assert_eq_macro | sym::debug_assert_ne_macro) ) - .then(|| (macro_call, name)) }) && let Some((lhs, rhs, _)) = find_assert_eq_args(cx, e, macro_call.expn) && eq_expr_value(cx, lhs, rhs) && macro_call.is_local() @@ -24,7 +22,10 @@ pub(crate) fn check_assert<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { cx, EQ_OP, lhs.span.to(rhs.span), - format!("identical args used in this `{macro_name}!` macro call"), + format!( + "identical args used in this `{}!` macro call", + cx.tcx.item_name(macro_call.def_id) + ), ); } } diff --git a/src/tools/clippy/clippy_lints/src/operators/integer_division.rs b/src/tools/clippy/clippy_lints/src/operators/integer_division.rs index 76eba7327cf..7b98afa9b40 100644 --- a/src/tools/clippy/clippy_lints/src/operators/integer_division.rs +++ b/src/tools/clippy/clippy_lints/src/operators/integer_division.rs @@ -1,6 +1,8 @@ use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::ty::is_type_diagnostic_item; use rustc_hir as hir; use rustc_lint::LateContext; +use rustc_span::symbol::sym; use super::INTEGER_DIVISION; @@ -13,7 +15,8 @@ pub(crate) fn check<'tcx>( ) { if op == hir::BinOpKind::Div && cx.typeck_results().expr_ty(left).is_integral() - && cx.typeck_results().expr_ty(right).is_integral() + && let right_ty = cx.typeck_results().expr_ty(right) + && (right_ty.is_integral() || is_type_diagnostic_item(cx, right_ty, sym::NonZero)) { #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")] span_lint_and_then(cx, INTEGER_DIVISION, expr.span, "integer division", |diag| { diff --git a/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs b/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs index eebc62e2a5a..ee1d59490ce 100644 --- a/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs +++ b/src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::macros::root_macro_call_first_node; +use clippy_utils::macros::{is_panic, root_macro_call_first_node}; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::visitors::{Descend, for_each_expr}; use clippy_utils::{is_inside_always_const_context, return_ty}; @@ -69,10 +69,11 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, body: &'tcx hir return ControlFlow::Continue(Descend::Yes); }; if !is_inside_always_const_context(cx.tcx, e.hir_id) - && matches!( - cx.tcx.item_name(macro_call.def_id).as_str(), - "panic" | "assert" | "assert_eq" | "assert_ne" - ) + && (is_panic(cx, macro_call.def_id) + || matches!( + cx.tcx.get_diagnostic_name(macro_call.def_id), + Some(sym::assert_macro | sym::assert_eq_macro | sym::assert_ne_macro) + )) { panics.push(macro_call.span); ControlFlow::Continue(Descend::No) diff --git a/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs b/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs index 39ae9967e01..8962f36db1e 100644 --- a/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs +++ b/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs @@ -113,8 +113,8 @@ impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { ); return; } - match cx.tcx.item_name(macro_call.def_id).as_str() { - "todo" => { + match cx.tcx.get_diagnostic_name(macro_call.def_id) { + Some(sym::todo_macro) => { span_lint( cx, TODO, @@ -122,7 +122,7 @@ impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { "`todo` should not be present in production code", ); }, - "unimplemented" => { + Some(sym::unimplemented_macro) => { span_lint( cx, UNIMPLEMENTED, @@ -130,7 +130,7 @@ impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { "`unimplemented` should not be present in production code", ); }, - "unreachable" => { + Some(sym::unreachable_macro) => { span_lint(cx, UNREACHABLE, macro_call.span, "usage of the `unreachable!` macro"); }, _ => {}, diff --git a/src/tools/clippy/clippy_lints/src/regex.rs b/src/tools/clippy/clippy_lints/src/regex.rs index 834ff2af0e8..89d945161f6 100644 --- a/src/tools/clippy/clippy_lints/src/regex.rs +++ b/src/tools/clippy/clippy_lints/src/regex.rs @@ -2,8 +2,9 @@ use std::fmt::Display; use clippy_utils::consts::{ConstEvalCtxt, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::paths::PathLookup; use clippy_utils::source::SpanRangeExt; -use clippy_utils::{def_path_res_with_base, find_crates, path_def_id, paths, sym}; +use clippy_utils::{path_def_id, paths}; use rustc_ast::ast::{LitKind, StrStyle}; use rustc_hir::def_id::DefIdMap; use rustc_hir::{BorrowKind, Expr, ExprKind, OwnerId}; @@ -121,17 +122,9 @@ impl_lint_pass!(Regex => [INVALID_REGEX, TRIVIAL_REGEX, REGEX_CREATION_IN_LOOPS] impl<'tcx> LateLintPass<'tcx> for Regex { fn check_crate(&mut self, cx: &LateContext<'tcx>) { - // We don't use `match_def_path` here because that relies on matching the exact path, which changed - // between regex 1.8 and 1.9 - // - // `def_path_res_with_base` will resolve through re-exports but is relatively heavy, so we only - // perform the operation once and store the results - let regex_crates = find_crates(cx.tcx, sym::regex); - let mut resolve = |path: &[&str], kind: RegexKind| { - for res in def_path_res_with_base(cx.tcx, regex_crates.clone(), &path[1..]) { - if let Some(id) = res.opt_def_id() { - self.definitions.insert(id, kind); - } + let mut resolve = |path: &PathLookup, kind: RegexKind| { + for &id in path.get(cx) { + self.definitions.insert(id, kind); } }; diff --git a/src/tools/clippy/clippy_lints/src/returns.rs b/src/tools/clippy/clippy_lints/src/returns.rs index d8e8ead2912..122d97fdf81 100644 --- a/src/tools/clippy/clippy_lints/src/returns.rs +++ b/src/tools/clippy/clippy_lints/src/returns.rs @@ -5,7 +5,7 @@ use clippy_utils::visitors::for_each_expr; use clippy_utils::{ binary_expr_needs_parentheses, fn_def_id, is_from_proc_macro, is_inside_let_else, is_res_lang_ctor, leaks_droppable_temporary_with_limited_lifetime, path_res, path_to_local_id, span_contains_cfg, - span_find_starting_semi, + span_find_starting_semi, sym, }; use core::ops::ControlFlow; use rustc_ast::MetaItemInner; @@ -22,7 +22,7 @@ use rustc_middle::ty::{self, GenericArgKind, Ty}; use rustc_session::declare_lint_pass; use rustc_span::def_id::LocalDefId; use rustc_span::edition::Edition; -use rustc_span::{BytePos, Pos, Span, sym}; +use rustc_span::{BytePos, Pos, Span}; use std::borrow::Cow; use std::fmt::Display; @@ -411,8 +411,8 @@ fn check_final_expr<'tcx>( && let [tool, lint_name] = meta_item.path.segments.as_slice() && tool.ident.name == sym::clippy && matches!( - lint_name.ident.name.as_str(), - "needless_return" | "style" | "all" | "warnings" + lint_name.ident.name, + sym::needless_return | sym::style | sym::all | sym::warnings ) { // This is an expectation of the `needless_return` lint diff --git a/src/tools/clippy/clippy_lints/src/serde_api.rs b/src/tools/clippy/clippy_lints/src/serde_api.rs index a8c6518b592..a64b9b22378 100644 --- a/src/tools/clippy/clippy_lints/src/serde_api.rs +++ b/src/tools/clippy/clippy_lints/src/serde_api.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint; -use clippy_utils::{get_trait_def_id, paths}; +use clippy_utils::paths; use rustc_hir::{Impl, Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; @@ -32,9 +32,7 @@ impl<'tcx> LateLintPass<'tcx> for SerdeApi { }) = item.kind { let did = trait_ref.path.res.def_id(); - if let Some(visit_did) = get_trait_def_id(cx.tcx, &paths::SERDE_DE_VISITOR) - && did == visit_did - { + if paths::SERDE_DE_VISITOR.matches(cx, did) { let mut seen_str = None; let mut seen_string = None; for item in *items { diff --git a/src/tools/clippy/clippy_lints/src/single_option_map.rs b/src/tools/clippy/clippy_lints/src/single_option_map.rs index 1fb54950612..cc497c97a47 100644 --- a/src/tools/clippy/clippy_lints/src/single_option_map.rs +++ b/src/tools/clippy/clippy_lints/src/single_option_map.rs @@ -30,7 +30,7 @@ declare_clippy_lint! { /// param * 2 /// } /// ``` - #[clippy::version = "1.86.0"] + #[clippy::version = "1.87.0"] pub SINGLE_OPTION_MAP, nursery, "Checks for functions with method calls to `.map(_)` on an arg of type `Option` as the outermost expression." diff --git a/src/tools/clippy/clippy_lints/src/single_range_in_vec_init.rs b/src/tools/clippy/clippy_lints/src/single_range_in_vec_init.rs index 2d989b1cf0b..54d09ff9ee4 100644 --- a/src/tools/clippy/clippy_lints/src/single_range_in_vec_init.rs +++ b/src/tools/clippy/clippy_lints/src/single_range_in_vec_init.rs @@ -3,7 +3,7 @@ use clippy_utils::higher::VecArgs; use clippy_utils::macros::root_macro_call_first_node; use clippy_utils::source::SpanRangeExt; use clippy_utils::ty::implements_trait; -use clippy_utils::{get_trait_def_id, is_no_std_crate}; +use clippy_utils::{is_no_std_crate, paths}; use rustc_ast::{LitIntType, LitKind, UintTy}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, LangItem, QPath, StructTailExpr}; @@ -100,7 +100,7 @@ impl LateLintPass<'_> for SingleRangeInVecInit { && let Some(start_snippet) = start.span.get_source_text(cx) && let Some(end_snippet) = end.span.get_source_text(cx) { - let should_emit_every_value = if let Some(step_def_id) = get_trait_def_id(cx.tcx, &["core", "iter", "Step"]) + let should_emit_every_value = if let Some(step_def_id) = paths::ITER_STEP.only(cx) && implements_trait(cx, ty, step_def_id, &[]) { true diff --git a/src/tools/clippy/clippy_lints/src/strings.rs b/src/tools/clippy/clippy_lints/src/strings.rs index af4d0d541f1..73a9fe71e00 100644 --- a/src/tools/clippy/clippy_lints/src/strings.rs +++ b/src/tools/clippy/clippy_lints/src/strings.rs @@ -334,7 +334,7 @@ impl<'tcx> LateLintPass<'tcx> for StringLitAsBytes { if let ExprKind::MethodCall(path, recv, [], _) = &e.kind && path.ident.name == sym::into_bytes && let ExprKind::MethodCall(path, recv, [], _) = &recv.kind - && matches!(path.ident.name.as_str(), "to_owned" | "to_string") + && matches!(path.ident.name, sym::to_owned | sym::to_string) && let ExprKind::Lit(lit) = &recv.kind && let LitKind::Str(lit_content, _) = &lit.node && lit_content.as_str().is_ascii() diff --git a/src/tools/clippy/clippy_lints/src/to_digit_is_some.rs b/src/tools/clippy/clippy_lints/src/to_digit_is_some.rs index bb969bc802f..7d7d74f27b3 100644 --- a/src/tools/clippy/clippy_lints/src/to_digit_is_some.rs +++ b/src/tools/clippy/clippy_lints/src/to_digit_is_some.rs @@ -1,11 +1,12 @@ +use clippy_config::Conf; use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::msrvs::{self, Msrv}; use clippy_utils::source::snippet_with_applicability; -use clippy_utils::{match_def_path, sym}; +use clippy_utils::{is_in_const_context, paths, sym}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; declare_clippy_lint! { /// ### What it does @@ -33,34 +34,35 @@ declare_clippy_lint! { "`char.is_digit()` is clearer" } -declare_lint_pass!(ToDigitIsSome => [TO_DIGIT_IS_SOME]); +impl_lint_pass!(ToDigitIsSome => [TO_DIGIT_IS_SOME]); + +pub(crate) struct ToDigitIsSome { + msrv: Msrv, +} + +impl ToDigitIsSome { + pub(crate) fn new(conf: &'static Conf) -> Self { + Self { msrv: conf.msrv } + } +} impl<'tcx> LateLintPass<'tcx> for ToDigitIsSome { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { if let hir::ExprKind::MethodCall(is_some_path, to_digit_expr, [], _) = &expr.kind && is_some_path.ident.name == sym::is_some { - let match_result = match &to_digit_expr.kind { + let match_result = match to_digit_expr.kind { hir::ExprKind::MethodCall(to_digits_path, char_arg, [radix_arg], _) => { if to_digits_path.ident.name == sym::to_digit - && let char_arg_ty = cx.typeck_results().expr_ty_adjusted(char_arg) - && *char_arg_ty.kind() == ty::Char + && cx.typeck_results().expr_ty_adjusted(char_arg).is_char() { - Some((true, *char_arg, radix_arg)) + Some((true, char_arg, radix_arg)) } else { None } }, hir::ExprKind::Call(to_digits_call, [char_arg, radix_arg]) => { - if let hir::ExprKind::Path(to_digits_path) = &to_digits_call.kind - && let to_digits_call_res = cx.qpath_res(to_digits_path, to_digits_call.hir_id) - && let Some(to_digits_def_id) = to_digits_call_res.opt_def_id() - && match_def_path( - cx, - to_digits_def_id, - &["core", "char", "methods", "<impl char>", "to_digit"], - ) - { + if paths::CHAR_TO_DIGIT.matches_path(cx, to_digits_call) { Some((false, char_arg, radix_arg)) } else { None @@ -69,7 +71,9 @@ impl<'tcx> LateLintPass<'tcx> for ToDigitIsSome { _ => None, }; - if let Some((is_method_call, char_arg, radix_arg)) = match_result { + if let Some((is_method_call, char_arg, radix_arg)) = match_result + && (!is_in_const_context(cx) || self.msrv.meets(cx, msrvs::CONST_CHAR_IS_DIGIT)) + { let mut applicability = Applicability::MachineApplicable; let char_arg_snip = snippet_with_applicability(cx, char_arg.span, "_", &mut applicability); let radix_snip = snippet_with_applicability(cx, radix_arg.span, "_", &mut applicability); diff --git a/src/tools/clippy/clippy_lints/src/trait_bounds.rs b/src/tools/clippy/clippy_lints/src/trait_bounds.rs index 8aac3a59102..45e54302e32 100644 --- a/src/tools/clippy/clippy_lints/src/trait_bounds.rs +++ b/src/tools/clippy/clippy_lints/src/trait_bounds.rs @@ -15,7 +15,7 @@ use rustc_hir::{ }; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; -use rustc_span::{BytePos, Span}; +use rustc_span::Span; declare_clippy_lint! { /// ### What it does @@ -282,18 +282,18 @@ impl TraitBounds { .iter() .copied() .chain(p.bounds.iter()) - .filter_map(get_trait_info_from_bound) - .map(|(_, _, span)| snippet_with_applicability(cx, span, "..", &mut applicability)) + .map(|bound| snippet_with_applicability(cx, bound.span(), "_", &mut applicability)) .join(" + "); let hint_string = format!( "consider combining the bounds: `{}: {trait_bounds}`", snippet(cx, p.bounded_ty.span, "_"), ); + let ty_name = snippet(cx, p.bounded_ty.span, "_"); span_lint_and_help( cx, TYPE_REPETITION_IN_BOUNDS, bound.span, - "this type has already been used as a bound predicate", + format!("type `{ty_name}` has already been used as a bound predicate"), None, hint_string, ); @@ -395,15 +395,7 @@ impl Hash for ComparableTraitRef<'_, '_> { fn get_trait_info_from_bound<'a>(bound: &'a GenericBound<'_>) -> Option<(Res, &'a [PathSegment<'a>], Span)> { if let GenericBound::Trait(t) = bound { let trait_path = t.trait_ref.path; - let trait_span = { - let path_span = trait_path.span; - if let BoundPolarity::Maybe(_) = t.modifiers.polarity { - path_span.with_lo(path_span.lo() - BytePos(1)) // include the `?` - } else { - path_span - } - }; - Some((trait_path.res, trait_path.segments, trait_span)) + Some((trait_path.res, trait_path.segments, t.span)) } else { None } diff --git a/src/tools/clippy/clippy_lints/src/transmute/eager_transmute.rs b/src/tools/clippy/clippy_lints/src/transmute/eager_transmute.rs index 1ccab62708b..535c044f49e 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/eager_transmute.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/eager_transmute.rs @@ -1,5 +1,4 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::ty::is_normalizable; use clippy_utils::{eq_expr_value, path_to_local, sym}; use rustc_abi::WrappingRange; use rustc_errors::Applicability; @@ -84,8 +83,6 @@ pub(super) fn check<'tcx>( && path.ident.name == sym::then_some && is_local_with_projections(transmutable) && binops_with_local(cx, transmutable, receiver) - && is_normalizable(cx, cx.param_env, from_ty) - && is_normalizable(cx, cx.param_env, to_ty) // we only want to lint if the target type has a niche that is larger than the one of the source type // e.g. `u8` to `NonZero<u8>` should lint, but `NonZero<u8>` to `u8` should not && let Ok(from_layout) = cx.tcx.layout_of(cx.typing_env().as_query_input(from_ty)) diff --git a/src/tools/clippy/clippy_lints/src/transmute/mod.rs b/src/tools/clippy/clippy_lints/src/transmute/mod.rs index f2da8d35cb4..d5112e2c3f9 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/mod.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/mod.rs @@ -1,13 +1,9 @@ mod crosspointer_transmute; mod eager_transmute; mod missing_transmute_annotations; -mod transmute_float_to_int; mod transmute_int_to_bool; -mod transmute_int_to_char; -mod transmute_int_to_float; mod transmute_int_to_non_zero; mod transmute_null_to_fn; -mod transmute_num_to_bytes; mod transmute_ptr_to_ptr; mod transmute_ptr_to_ref; mod transmute_ref_to_ref; @@ -143,40 +139,6 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// Checks for transmutes from an integer to a `char`. - /// - /// ### Why is this bad? - /// Not every integer is a Unicode scalar value. - /// - /// ### Known problems - /// - [`from_u32`] which this lint suggests using is slower than `transmute` - /// as it needs to validate the input. - /// If you are certain that the input is always a valid Unicode scalar value, - /// use [`from_u32_unchecked`] which is as fast as `transmute` - /// but has a semantically meaningful name. - /// - You might want to handle `None` returned from [`from_u32`] instead of calling `unwrap`. - /// - /// [`from_u32`]: https://doc.rust-lang.org/std/char/fn.from_u32.html - /// [`from_u32_unchecked`]: https://doc.rust-lang.org/std/char/fn.from_u32_unchecked.html - /// - /// ### Example - /// ```no_run - /// let x = 1_u32; - /// unsafe { - /// let _: char = std::mem::transmute(x); // where x: u32 - /// } - /// - /// // should be: - /// let _ = std::char::from_u32(x).unwrap(); - /// ``` - #[clippy::version = "pre 1.29.0"] - pub TRANSMUTE_INT_TO_CHAR, - complexity, - "transmutes from an integer to a `char`" -} - -declare_clippy_lint! { - /// ### What it does /// Checks for transmutes from a `&[u8]` to a `&str`. /// /// ### Why is this bad? @@ -234,29 +196,6 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// Checks for transmutes from an integer to a float. - /// - /// ### Why is this bad? - /// Transmutes are dangerous and error-prone, whereas `from_bits` is intuitive - /// and safe. - /// - /// ### Example - /// ```no_run - /// unsafe { - /// let _: f32 = std::mem::transmute(1_u32); // where x: u32 - /// } - /// - /// // should be: - /// let _: f32 = f32::from_bits(1_u32); - /// ``` - #[clippy::version = "pre 1.29.0"] - pub TRANSMUTE_INT_TO_FLOAT, - complexity, - "transmutes from an integer to a float" -} - -declare_clippy_lint! { - /// ### What it does /// Checks for transmutes from `T` to `NonZero<T>`, and suggests the `new_unchecked` /// method instead. /// @@ -282,52 +221,6 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// Checks for transmutes from a float to an integer. - /// - /// ### Why is this bad? - /// Transmutes are dangerous and error-prone, whereas `to_bits` is intuitive - /// and safe. - /// - /// ### Example - /// ```no_run - /// unsafe { - /// let _: u32 = std::mem::transmute(1f32); - /// } - /// - /// // should be: - /// let _: u32 = 1f32.to_bits(); - /// ``` - #[clippy::version = "1.41.0"] - pub TRANSMUTE_FLOAT_TO_INT, - complexity, - "transmutes from a float to an integer" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for transmutes from a number to an array of `u8` - /// - /// ### Why this is bad? - /// Transmutes are dangerous and error-prone, whereas `to_ne_bytes` - /// is intuitive and safe. - /// - /// ### Example - /// ```no_run - /// unsafe { - /// let x: [u8; 8] = std::mem::transmute(1i64); - /// } - /// - /// // should be - /// let x: [u8; 8] = 0i64.to_ne_bytes(); - /// ``` - #[clippy::version = "1.58.0"] - pub TRANSMUTE_NUM_TO_BYTES, - complexity, - "transmutes from a number to an array of `u8`" -} - -declare_clippy_lint! { - /// ### What it does /// Checks for transmutes from a pointer to a pointer, or /// from a reference to a reference. /// @@ -581,13 +474,9 @@ impl_lint_pass!(Transmute => [ TRANSMUTE_PTR_TO_PTR, USELESS_TRANSMUTE, WRONG_TRANSMUTE, - TRANSMUTE_INT_TO_CHAR, TRANSMUTE_BYTES_TO_STR, TRANSMUTE_INT_TO_BOOL, - TRANSMUTE_INT_TO_FLOAT, TRANSMUTE_INT_TO_NON_ZERO, - TRANSMUTE_FLOAT_TO_INT, - TRANSMUTE_NUM_TO_BYTES, UNSOUND_COLLECTION_TRANSMUTE, TRANSMUTES_EXPRESSIBLE_AS_PTR_CASTS, TRANSMUTE_UNDEFINED_REPR, @@ -632,14 +521,10 @@ impl<'tcx> LateLintPass<'tcx> for Transmute { | transmute_null_to_fn::check(cx, e, arg, to_ty) | transmute_ptr_to_ref::check(cx, e, from_ty, to_ty, arg, path, self.msrv) | missing_transmute_annotations::check(cx, path, from_ty, to_ty, e.hir_id) - | transmute_int_to_char::check(cx, e, from_ty, to_ty, arg, const_context) | transmute_ref_to_ref::check(cx, e, from_ty, to_ty, arg, const_context) | transmute_ptr_to_ptr::check(cx, e, from_ty, to_ty, arg, self.msrv) | transmute_int_to_bool::check(cx, e, from_ty, to_ty, arg) - | transmute_int_to_float::check(cx, e, from_ty, to_ty, arg, const_context, self.msrv) | transmute_int_to_non_zero::check(cx, e, from_ty, to_ty, arg) - | transmute_float_to_int::check(cx, e, from_ty, to_ty, arg, const_context, self.msrv) - | transmute_num_to_bytes::check(cx, e, from_ty, to_ty, arg, const_context, self.msrv) | (unsound_collection_transmute::check(cx, e, from_ty, to_ty) || transmute_undefined_repr::check(cx, e, from_ty, to_ty)) | (eager_transmute::check(cx, e, arg, from_ty, to_ty)); diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs deleted file mode 100644 index df2f681a162..00000000000 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs +++ /dev/null @@ -1,66 +0,0 @@ -use super::TRANSMUTE_FLOAT_TO_INT; -use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::sugg; -use rustc_ast as ast; -use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, UnOp}; -use rustc_lint::LateContext; -use rustc_middle::ty::{self, Ty}; - -/// Checks for `transmute_float_to_int` lint. -/// Returns `true` if it's triggered, otherwise returns `false`. -pub(super) fn check<'tcx>( - cx: &LateContext<'tcx>, - e: &'tcx Expr<'_>, - from_ty: Ty<'tcx>, - to_ty: Ty<'tcx>, - mut arg: &'tcx Expr<'_>, - const_context: bool, - msrv: Msrv, -) -> bool { - match (&from_ty.kind(), &to_ty.kind()) { - (ty::Float(float_ty), ty::Int(_) | ty::Uint(_)) - if !const_context || msrv.meets(cx, msrvs::CONST_FLOAT_BITS_CONV) => - { - span_lint_and_then( - cx, - TRANSMUTE_FLOAT_TO_INT, - e.span, - format!("transmute from a `{from_ty}` to a `{to_ty}`"), - |diag| { - let mut sugg = sugg::Sugg::hir(cx, arg, ".."); - - if let ExprKind::Unary(UnOp::Neg, inner_expr) = &arg.kind { - arg = inner_expr; - } - - if let ExprKind::Lit(lit) = &arg.kind - // if the expression is a float literal and it is unsuffixed then - // add a suffix so the suggestion is valid and unambiguous - && let ast::LitKind::Float(_, ast::LitFloatType::Unsuffixed) = lit.node - { - let op = format!("{sugg}{}", float_ty.name_str()).into(); - match sugg { - sugg::Sugg::MaybeParen(_) => sugg = sugg::Sugg::MaybeParen(op), - _ => sugg = sugg::Sugg::NonParen(op), - } - } - - sugg = sugg::Sugg::NonParen(format!("{}.to_bits()", sugg.maybe_paren()).into()); - - // cast the result of `to_bits` if `to_ty` is signed - sugg = if let ty::Int(int_ty) = to_ty.kind() { - sugg.as_ty(int_ty.name_str().to_string()) - } else { - sugg - }; - - diag.span_suggestion(e.span, "consider using", sugg, Applicability::Unspecified); - }, - ); - true - }, - _ => false, - } -} diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_char.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_char.rs deleted file mode 100644 index 81d10a7d5bd..00000000000 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_char.rs +++ /dev/null @@ -1,47 +0,0 @@ -use super::TRANSMUTE_INT_TO_CHAR; -use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::{std_or_core, sugg}; -use rustc_ast as ast; -use rustc_errors::Applicability; -use rustc_hir::Expr; -use rustc_lint::LateContext; -use rustc_middle::ty::{self, Ty}; - -/// Checks for `transmute_int_to_char` lint. -/// Returns `true` if it's triggered, otherwise returns `false`. -pub(super) fn check<'tcx>( - cx: &LateContext<'tcx>, - e: &'tcx Expr<'_>, - from_ty: Ty<'tcx>, - to_ty: Ty<'tcx>, - arg: &'tcx Expr<'_>, - const_context: bool, -) -> bool { - match (&from_ty.kind(), &to_ty.kind()) { - (ty::Int(ty::IntTy::I32) | ty::Uint(ty::UintTy::U32), &ty::Char) if !const_context => { - span_lint_and_then( - cx, - TRANSMUTE_INT_TO_CHAR, - e.span, - format!("transmute from a `{from_ty}` to a `char`"), - |diag| { - let Some(top_crate) = std_or_core(cx) else { return }; - let arg = sugg::Sugg::hir(cx, arg, ".."); - let arg = if let ty::Int(_) = from_ty.kind() { - arg.as_ty(ast::UintTy::U32.name_str()) - } else { - arg - }; - diag.span_suggestion( - e.span, - "consider using", - format!("{top_crate}::char::from_u32({arg}).unwrap()"), - Applicability::Unspecified, - ); - }, - ); - true - }, - _ => false, - } -} diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs deleted file mode 100644 index aaa95396b4b..00000000000 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs +++ /dev/null @@ -1,50 +0,0 @@ -use super::TRANSMUTE_INT_TO_FLOAT; -use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::sugg; -use rustc_errors::Applicability; -use rustc_hir::Expr; -use rustc_lint::LateContext; -use rustc_middle::ty::{self, Ty}; - -/// Checks for `transmute_int_to_float` lint. -/// Returns `true` if it's triggered, otherwise returns `false`. -pub(super) fn check<'tcx>( - cx: &LateContext<'tcx>, - e: &'tcx Expr<'_>, - from_ty: Ty<'tcx>, - to_ty: Ty<'tcx>, - arg: &'tcx Expr<'_>, - const_context: bool, - msrv: Msrv, -) -> bool { - match (&from_ty.kind(), &to_ty.kind()) { - (ty::Int(_) | ty::Uint(_), ty::Float(_)) if !const_context || msrv.meets(cx, msrvs::CONST_FLOAT_BITS_CONV) => { - span_lint_and_then( - cx, - TRANSMUTE_INT_TO_FLOAT, - e.span, - format!("transmute from a `{from_ty}` to a `{to_ty}`"), - |diag| { - let arg = sugg::Sugg::hir(cx, arg, ".."); - let arg = if let ty::Int(int_ty) = from_ty.kind() { - arg.as_ty(format!( - "u{}", - int_ty.bit_width().map_or_else(|| "size".to_string(), |v| v.to_string()) - )) - } else { - arg - }; - diag.span_suggestion( - e.span, - "consider using", - format!("{to_ty}::from_bits({arg})"), - Applicability::Unspecified, - ); - }, - ); - true - }, - _ => false, - } -} diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs deleted file mode 100644 index d72be270b73..00000000000 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs +++ /dev/null @@ -1,50 +0,0 @@ -use super::TRANSMUTE_NUM_TO_BYTES; -use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::msrvs::{self, Msrv}; -use clippy_utils::sugg; -use rustc_errors::Applicability; -use rustc_hir::Expr; -use rustc_lint::LateContext; -use rustc_middle::ty::{self, Ty, UintTy}; - -/// Checks for `transmute_int_to_float` lint. -/// Returns `true` if it's triggered, otherwise returns `false`. -pub(super) fn check<'tcx>( - cx: &LateContext<'tcx>, - e: &'tcx Expr<'_>, - from_ty: Ty<'tcx>, - to_ty: Ty<'tcx>, - arg: &'tcx Expr<'_>, - const_context: bool, - msrv: Msrv, -) -> bool { - match (&from_ty.kind(), &to_ty.kind()) { - (ty::Int(_) | ty::Uint(_) | ty::Float(_), ty::Array(arr_ty, _)) => { - if !matches!(arr_ty.kind(), ty::Uint(UintTy::U8)) { - return false; - } - if matches!(from_ty.kind(), ty::Float(_)) && const_context && !msrv.meets(cx, msrvs::CONST_FLOAT_BITS_CONV) - { - return false; - } - - span_lint_and_then( - cx, - TRANSMUTE_NUM_TO_BYTES, - e.span, - format!("transmute from a `{from_ty}` to a `{to_ty}`"), - |diag| { - let arg = sugg::Sugg::hir(cx, arg, ".."); - diag.span_suggestion( - e.span, - "consider using `to_ne_bytes()`", - format!("{arg}.to_ne_bytes()"), - Applicability::Unspecified, - ); - }, - ); - true - }, - _ => false, - } -} diff --git a/src/tools/clippy/clippy_lints/src/types/mod.rs b/src/tools/clippy/clippy_lints/src/types/mod.rs index 3147058b4cd..c1c7cc51656 100644 --- a/src/tools/clippy/clippy_lints/src/types/mod.rs +++ b/src/tools/clippy/clippy_lints/src/types/mod.rs @@ -385,7 +385,7 @@ declare_clippy_lint! { /// ```no_run /// let right: std::borrow::Cow<'_, [u8]>; /// ``` - #[clippy::version = "1.85.0"] + #[clippy::version = "1.87.0"] pub OWNED_COW, style, "needlessly owned Cow type" diff --git a/src/tools/clippy/clippy_lints/src/unit_types/unit_cmp.rs b/src/tools/clippy/clippy_lints/src/unit_types/unit_cmp.rs index 6dcc1195a70..48b532968cb 100644 --- a/src/tools/clippy/clippy_lints/src/unit_types/unit_cmp.rs +++ b/src/tools/clippy/clippy_lints/src/unit_types/unit_cmp.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint; use clippy_utils::macros::{find_assert_eq_args, root_macro_call_first_node}; +use clippy_utils::sym; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::LateContext; @@ -7,11 +8,12 @@ use super::UNIT_CMP; pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>) { if expr.span.from_expansion() { - if let Some(macro_call) = root_macro_call_first_node(cx, expr) { - let macro_name = cx.tcx.item_name(macro_call.def_id); - let result = match macro_name.as_str() { - "assert_eq" | "debug_assert_eq" => "succeed", - "assert_ne" | "debug_assert_ne" => "fail", + if let Some(macro_call) = root_macro_call_first_node(cx, expr) + && let Some(diag_name) = cx.tcx.get_diagnostic_name(macro_call.def_id) + { + let result = match diag_name { + sym::assert_eq_macro | sym::debug_assert_eq_macro => "succeed", + sym::assert_ne_macro | sym::debug_assert_ne_macro => "fail", _ => return, }; let Some((left, _, _)) = find_assert_eq_args(cx, expr, macro_call.expn) else { @@ -24,7 +26,10 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>) { cx, UNIT_CMP, macro_call.span, - format!("`{macro_name}` of unit values detected. This will always {result}"), + format!( + "`{}` of unit values detected. This will always {result}", + cx.tcx.item_name(macro_call.def_id) + ), ); } return; diff --git a/src/tools/clippy/clippy_lints/src/unused_async.rs b/src/tools/clippy/clippy_lints/src/unused_async.rs index 1c1c841e964..8ceaa3dc58e 100644 --- a/src/tools/clippy/clippy_lints/src/unused_async.rs +++ b/src/tools/clippy/clippy_lints/src/unused_async.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::is_def_id_trait_method; use rustc_hir::def::DefKind; use rustc_hir::intravisit::{FnKind, Visitor, walk_expr, walk_fn}; -use rustc_hir::{Body, Expr, ExprKind, FnDecl, HirId, Node, YieldSource}; +use rustc_hir::{Body, Defaultness, Expr, ExprKind, FnDecl, HirId, Node, TraitItem, YieldSource}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; use rustc_session::impl_lint_pass; @@ -116,7 +116,11 @@ impl<'tcx> LateLintPass<'tcx> for UnusedAsync { span: Span, def_id: LocalDefId, ) { - if !span.from_expansion() && fn_kind.asyncness().is_async() && !is_def_id_trait_method(cx, def_id) { + if !span.from_expansion() + && fn_kind.asyncness().is_async() + && !is_def_id_trait_method(cx, def_id) + && !is_default_trait_impl(cx, def_id) + { let mut visitor = AsyncFnVisitor { cx, found_await: false, @@ -189,3 +193,13 @@ impl<'tcx> LateLintPass<'tcx> for UnusedAsync { } } } + +fn is_default_trait_impl(cx: &LateContext<'_>, def_id: LocalDefId) -> bool { + matches!( + cx.tcx.hir_node_by_def_id(def_id), + Node::TraitItem(TraitItem { + defaultness: Defaultness::Default { .. }, + .. + }) + ) +} diff --git a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs index 2d88c490b1a..5e1cb9e54f5 100644 --- a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs +++ b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::macros::{is_panic, root_macro_call_first_node}; -use clippy_utils::{is_res_lang_ctor, is_trait_method, match_def_path, match_trait_method, paths, peel_blocks}; +use clippy_utils::{is_res_lang_ctor, paths, peel_blocks}; use hir::{ExprKind, HirId, PatKind}; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; @@ -93,14 +93,14 @@ impl<'tcx> LateLintPass<'tcx> for UnusedIoAmount { return; } - let async_paths: [&[&str]; 4] = [ + let async_paths = [ &paths::TOKIO_IO_ASYNCREADEXT, &paths::TOKIO_IO_ASYNCWRITEEXT, &paths::FUTURES_IO_ASYNCREADEXT, &paths::FUTURES_IO_ASYNCWRITEEXT, ]; - if async_paths.into_iter().any(|path| match_def_path(cx, trait_id, path)) { + if async_paths.into_iter().any(|path| path.matches(cx, trait_id)) { return; } } @@ -226,7 +226,7 @@ fn is_unreachable_or_panic(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { if is_panic(cx, macro_call.def_id) { return !cx.tcx.hir_is_inside_const_context(expr.hir_id); } - matches!(cx.tcx.item_name(macro_call.def_id).as_str(), "unreachable") + cx.tcx.is_diagnostic_item(sym::unreachable_macro, macro_call.def_id) } fn unpack_call_chain<'a>(mut expr: &'a hir::Expr<'a>) -> &'a hir::Expr<'a> { @@ -291,19 +291,28 @@ fn check_io_mode(cx: &LateContext<'_>, call: &hir::Expr<'_>) -> Option<IoOp> { }, }; - match ( - is_trait_method(cx, call, sym::IoRead), - is_trait_method(cx, call, sym::IoWrite), - match_trait_method(cx, call, &paths::FUTURES_IO_ASYNCREADEXT) - || match_trait_method(cx, call, &paths::TOKIO_IO_ASYNCREADEXT), - match_trait_method(cx, call, &paths::TOKIO_IO_ASYNCWRITEEXT) - || match_trait_method(cx, call, &paths::FUTURES_IO_ASYNCWRITEEXT), - ) { - (true, _, _, _) => Some(IoOp::SyncRead(vectorized)), - (_, true, _, _) => Some(IoOp::SyncWrite(vectorized)), - (_, _, true, _) => Some(IoOp::AsyncRead(vectorized)), - (_, _, _, true) => Some(IoOp::AsyncWrite(vectorized)), - _ => None, + if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(call.hir_id) + && let Some(trait_def_id) = cx.tcx.trait_of_item(method_def_id) + { + if let Some(diag_name) = cx.tcx.get_diagnostic_name(trait_def_id) { + match diag_name { + sym::IoRead => Some(IoOp::SyncRead(vectorized)), + sym::IoWrite => Some(IoOp::SyncWrite(vectorized)), + _ => None, + } + } else if paths::FUTURES_IO_ASYNCREADEXT.matches(cx, trait_def_id) + || paths::TOKIO_IO_ASYNCREADEXT.matches(cx, trait_def_id) + { + Some(IoOp::AsyncRead(vectorized)) + } else if paths::TOKIO_IO_ASYNCWRITEEXT.matches(cx, trait_def_id) + || paths::FUTURES_IO_ASYNCWRITEEXT.matches(cx, trait_def_id) + { + Some(IoOp::AsyncWrite(vectorized)) + } else { + None + } + } else { + None } } diff --git a/src/tools/clippy/clippy_lints/src/unwrap.rs b/src/tools/clippy/clippy_lints/src/unwrap.rs index ba140788bb5..c641d4e55b9 100644 --- a/src/tools/clippy/clippy_lints/src/unwrap.rs +++ b/src/tools/clippy/clippy_lints/src/unwrap.rs @@ -4,15 +4,15 @@ use clippy_utils::usage::is_potentially_local_place; use clippy_utils::{higher, path_to_local, sym}; use rustc_errors::Applicability; use rustc_hir::intravisit::{FnKind, Visitor, walk_expr, walk_fn}; -use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, HirId, Node, PathSegment, UnOp}; +use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, HirId, Node, UnOp}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceWithHirId}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_session::declare_lint_pass; -use rustc_span::Span; use rustc_span::def_id::LocalDefId; +use rustc_span::{Span, Symbol}; declare_clippy_lint! { /// ### What it does @@ -111,7 +111,7 @@ struct UnwrapInfo<'tcx> { /// The check, like `x.is_ok()` check: &'tcx Expr<'tcx>, /// The check's name, like `is_ok` - check_name: &'tcx PathSegment<'tcx>, + check_name: Symbol, /// The branch where the check takes place, like `if x.is_ok() { .. }` branch: &'tcx Expr<'tcx>, /// Whether `is_some()` or `is_ok()` was called (as opposed to `is_err()` or `is_none()`). @@ -133,12 +133,12 @@ fn collect_unwrap_info<'tcx>( invert: bool, is_entire_condition: bool, ) -> Vec<UnwrapInfo<'tcx>> { - fn is_relevant_option_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: &str) -> bool { - is_type_diagnostic_item(cx, ty, sym::Option) && ["is_some", "is_none"].contains(&method_name) + fn is_relevant_option_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool { + is_type_diagnostic_item(cx, ty, sym::Option) && matches!(method_name, sym::is_none | sym::is_some) } - fn is_relevant_result_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: &str) -> bool { - is_type_diagnostic_item(cx, ty, sym::Result) && ["is_ok", "is_err"].contains(&method_name) + fn is_relevant_result_call(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool { + is_type_diagnostic_item(cx, ty, sym::Result) && matches!(method_name, sym::is_err | sym::is_ok) } if let ExprKind::Binary(op, left, right) = &expr.kind { @@ -155,14 +155,10 @@ fn collect_unwrap_info<'tcx>( } else if let ExprKind::MethodCall(method_name, receiver, [], _) = &expr.kind && let Some(local_id) = path_to_local(receiver) && let ty = cx.typeck_results().expr_ty(receiver) - && let name = method_name.ident.as_str() + && let name = method_name.ident.name && (is_relevant_option_call(cx, ty, name) || is_relevant_result_call(cx, ty, name)) { - let unwrappable = match name { - "is_some" | "is_ok" => true, - "is_err" | "is_none" => false, - _ => unreachable!(), - }; + let unwrappable = matches!(name, sym::is_some | sym::is_ok); let safe_to_unwrap = unwrappable != invert; let kind = if is_type_diagnostic_item(cx, ty, sym::Option) { UnwrappableKind::Option @@ -174,7 +170,7 @@ fn collect_unwrap_info<'tcx>( local_id, if_expr, check: expr, - check_name: method_name, + check_name: name, branch, safe_to_unwrap, kind, @@ -184,12 +180,12 @@ fn collect_unwrap_info<'tcx>( Vec::new() } -/// A HIR visitor delegate that checks if a local variable of type `Option<_>` is mutated, -/// *except* for if `Option::as_mut` is called. +/// A HIR visitor delegate that checks if a local variable of type `Option` or `Result` is mutated, +/// *except* for if `.as_mut()` is called. /// The reason for why we allow that one specifically is that `.as_mut()` cannot change -/// the option to `None`, and that is important because this lint relies on the fact that +/// the variant, and that is important because this lint relies on the fact that /// `is_some` + `unwrap` is equivalent to `if let Some(..) = ..`, which it would not be if -/// the option is changed to None between `is_some` and `unwrap`. +/// the option is changed to None between `is_some` and `unwrap`, ditto for `Result`. /// (And also `.as_mut()` is a somewhat common method that is still worth linting on.) struct MutationVisitor<'tcx> { is_mutated: bool, @@ -198,13 +194,13 @@ struct MutationVisitor<'tcx> { } /// Checks if the parent of the expression pointed at by the given `HirId` is a call to -/// `Option::as_mut`. +/// `.as_mut()`. /// /// Used by the mutation visitor to specifically allow `.as_mut()` calls. /// In particular, the `HirId` that the visitor receives is the id of the local expression /// (i.e. the `x` in `x.as_mut()`), and that is the reason for why we care about its parent /// expression: that will be where the actual method call is. -fn is_option_as_mut_use(tcx: TyCtxt<'_>, expr_id: HirId) -> bool { +fn is_as_mut_use(tcx: TyCtxt<'_>, expr_id: HirId) -> bool { if let Node::Expr(mutating_expr) = tcx.parent_hir_node(expr_id) && let ExprKind::MethodCall(path, _, [], _) = mutating_expr.kind { @@ -218,14 +214,16 @@ impl<'tcx> Delegate<'tcx> for MutationVisitor<'tcx> { fn borrow(&mut self, cat: &PlaceWithHirId<'tcx>, diag_expr_id: HirId, bk: ty::BorrowKind) { if let ty::BorrowKind::Mutable = bk && is_potentially_local_place(self.local_id, &cat.place) - && !is_option_as_mut_use(self.tcx, diag_expr_id) + && !is_as_mut_use(self.tcx, diag_expr_id) { self.is_mutated = true; } } - fn mutate(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) { - self.is_mutated = true; + fn mutate(&mut self, cat: &PlaceWithHirId<'tcx>, _: HirId) { + if is_potentially_local_place(self.local_id, &cat.place) { + self.is_mutated = true; + } } fn consume(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) {} @@ -276,12 +274,10 @@ enum AsRefKind { /// If it isn't, the expression itself is returned. fn consume_option_as_ref<'tcx>(expr: &'tcx Expr<'tcx>) -> (&'tcx Expr<'tcx>, Option<AsRefKind>) { if let ExprKind::MethodCall(path, recv, [], _) = expr.kind { - if path.ident.name == sym::as_ref { - (recv, Some(AsRefKind::AsRef)) - } else if path.ident.name == sym::as_mut { - (recv, Some(AsRefKind::AsMut)) - } else { - (expr, None) + match path.ident.name { + sym::as_ref => (recv, Some(AsRefKind::AsRef)), + sym::as_mut => (recv, Some(AsRefKind::AsMut)), + _ => (expr, None), } } else { (expr, None) @@ -296,6 +292,10 @@ impl<'tcx> Visitor<'tcx> for UnwrappableVariablesVisitor<'_, 'tcx> { if expr.span.in_external_macro(self.cx.tcx.sess.source_map()) { return; } + // Skip checking inside closures since they are visited through `Unwrap::check_fn()` already. + if matches!(expr.kind, ExprKind::Closure(_)) { + return; + } if let Some(higher::If { cond, then, r#else }) = higher::If::hir(expr) { walk_expr(self, cond); self.visit_branch(expr, cond, then, false); @@ -332,8 +332,7 @@ impl<'tcx> Visitor<'tcx> for UnwrappableVariablesVisitor<'_, 'tcx> { expr.span, format!( "called `{}` on `{unwrappable_variable_name}` after checking its variant with `{}`", - method_name.ident.name, - unwrappable.check_name.ident.as_str(), + method_name.ident.name, unwrappable.check_name, ), |diag| { if is_entire_condition { diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index b7dcd2ffb0e..812c4df4ddd 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -1,16 +1,18 @@ -use clippy_utils::{get_attr, higher}; +use clippy_utils::{MaybePath, get_attr, higher, path_def_id}; +use itertools::Itertools; use rustc_ast::LitIntType; use rustc_ast::ast::{LitFloatType, LitKind}; use rustc_data_structures::fx::FxHashMap; +use rustc_hir::def_id::DefId; use rustc_hir::{ self as hir, BindingMode, CaptureBy, Closure, ClosureKind, ConstArg, ConstArgKind, CoroutineKind, ExprKind, - FnRetTy, HirId, Lit, PatExprKind, PatKind, QPath, StmtKind, StructTailExpr, TyKind, + FnRetTy, HirId, Lit, PatExprKind, PatKind, QPath, StmtKind, StructTailExpr, }; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::declare_lint_pass; use rustc_span::symbol::{Ident, Symbol}; use std::cell::Cell; -use std::fmt::{Display, Formatter, Write as _}; +use std::fmt::{Display, Formatter}; declare_lint_pass!( /// ### What it does @@ -148,6 +150,15 @@ fn check_node(cx: &LateContext<'_>, hir_id: HirId, f: impl Fn(&PrintVisitor<'_, } } +fn paths_static_name(cx: &LateContext<'_>, id: DefId) -> String { + cx.get_def_path(id) + .iter() + .map(Symbol::as_str) + .filter(|s| !s.starts_with('<')) + .join("_") + .to_uppercase() +} + struct Binding<T> { name: String, value: T, @@ -257,11 +268,44 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { chain!(self, "{symbol}.as_str() == {:?}", symbol.value.as_str()); } - fn qpath(&self, qpath: &Binding<&QPath<'_>>) { + fn qpath<'p>(&self, qpath: &Binding<&QPath<'_>>, has_hir_id: &Binding<&impl MaybePath<'p>>) { if let QPath::LangItem(lang_item, ..) = *qpath.value { chain!(self, "matches!({qpath}, QPath::LangItem(LangItem::{lang_item:?}, _))"); - } else if let Ok(path) = path_to_string(qpath.value) { - chain!(self, "match_qpath({qpath}, &[{}])", path); + } else if let Some(def_id) = self.cx.qpath_res(qpath.value, has_hir_id.value.hir_id()).opt_def_id() + && !def_id.is_local() + { + bind!(self, def_id); + chain!( + self, + "let Some({def_id}) = cx.qpath_res({qpath}, {has_hir_id}.hir_id).opt_def_id()" + ); + if let Some(name) = self.cx.tcx.get_diagnostic_name(def_id.value) { + chain!(self, "cx.tcx.is_diagnostic_item(sym::{name}, {def_id})"); + } else { + chain!( + self, + "paths::{}.matches(cx, {def_id}) // Add the path to `clippy_utils::paths` if needed", + paths_static_name(self.cx, def_id.value) + ); + } + } + } + + fn maybe_path<'p>(&self, path: &Binding<&impl MaybePath<'p>>) { + if let Some(id) = path_def_id(self.cx, path.value) + && !id.is_local() + { + if let Some(lang) = self.cx.tcx.lang_items().from_def_id(id) { + chain!(self, "is_path_lang_item(cx, {path}, LangItem::{}", lang.name()); + } else if let Some(name) = self.cx.tcx.get_diagnostic_name(id) { + chain!(self, "is_path_diagnostic_item(cx, {path}, sym::{name})"); + } else { + chain!( + self, + "paths::{}.matches_path(cx, {path}) // Add the path to `clippy_utils::paths` if needed", + paths_static_name(self.cx, id) + ); + } } } @@ -270,7 +314,6 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { ConstArgKind::Path(ref qpath) => { bind!(self, qpath); chain!(self, "let ConstArgKind::Path(ref {qpath}) = {const_arg}.kind"); - self.qpath(qpath); }, ConstArgKind::Anon(anon_const) => { bind!(self, anon_const); @@ -394,12 +437,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { bind!(self, let_expr); kind!("Let({let_expr})"); self.pat(field!(let_expr.pat)); - // Does what ExprKind::Cast does, only adds a clause for the type - // if it's a path - if let Some(TyKind::Path(qpath)) = let_expr.value.ty.as_ref().map(|ty| &ty.kind) { - bind!(self, qpath); - chain!(self, "let TyKind::Path(ref {qpath}) = {let_expr}.ty.kind"); - self.qpath(qpath); + if let Some(ty) = let_expr.value.ty { + bind!(self, ty); + chain!(self, "let Some({ty}) = {let_expr}.ty"); + self.maybe_path(ty); } self.expr(field!(let_expr.init)); }, @@ -451,11 +492,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { ExprKind::Cast(expr, cast_ty) => { bind!(self, expr, cast_ty); kind!("Cast({expr}, {cast_ty})"); - if let TyKind::Path(ref qpath) = cast_ty.value.kind { - bind!(self, qpath); - chain!(self, "let TyKind::Path(ref {qpath}) = {cast_ty}.kind"); - self.qpath(qpath); - } + self.maybe_path(cast_ty); self.expr(expr); }, ExprKind::Type(expr, _ty) => { @@ -561,10 +598,8 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { self.expr(object); self.expr(index); }, - ExprKind::Path(ref qpath) => { - bind!(self, qpath); - kind!("Path(ref {qpath})"); - self.qpath(qpath); + ExprKind::Path(_) => { + self.maybe_path(expr); }, ExprKind::AddrOf(kind, mutability, inner) => { bind!(self, inner); @@ -608,7 +643,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { StructTailExpr::None | StructTailExpr::DefaultFields(_) => None, }); kind!("Struct({qpath}, {fields}, {base})"); - self.qpath(qpath); + self.qpath(qpath, expr); self.slice(fields, |field| { self.ident(field!(field.ident)); self.expr(field!(field.expr)); @@ -648,7 +683,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { self.expr(expr); } - fn pat_expr(&self, lit: &Binding<&hir::PatExpr<'_>>) { + fn pat_expr(&self, lit: &Binding<&hir::PatExpr<'_>>, pat: &Binding<&hir::Pat<'_>>) { let kind = |kind| chain!(self, "let PatExprKind::{kind} = {lit}.kind"); macro_rules! kind { ($($t:tt)*) => (kind(format_args!($($t)*))); @@ -657,15 +692,11 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { PatExprKind::Lit { lit, negated } => { bind!(self, lit); bind!(self, negated); - kind!("Lit{{ref {lit}, {negated} }}"); + kind!("Lit {{ ref {lit}, {negated} }}"); self.lit(lit); }, PatExprKind::ConstBlock(_) => kind!("ConstBlock(_)"), - PatExprKind::Path(ref qpath) => { - bind!(self, qpath); - kind!("Path(ref {qpath})"); - self.qpath(qpath); - }, + PatExprKind::Path(_) => self.maybe_path(pat), } } @@ -697,7 +728,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { PatKind::Struct(ref qpath, fields, ignore) => { bind!(self, qpath, fields); kind!("Struct(ref {qpath}, {fields}, {ignore})"); - self.qpath(qpath); + self.qpath(qpath, pat); self.slice(fields, |field| { self.ident(field!(field.ident)); self.pat(field!(field.pat)); @@ -711,7 +742,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { PatKind::TupleStruct(ref qpath, fields, skip_pos) => { bind!(self, qpath, fields); kind!("TupleStruct(ref {qpath}, {fields}, {skip_pos:?})"); - self.qpath(qpath); + self.qpath(qpath, pat); self.slice(fields, |pat| self.pat(pat)); }, PatKind::Tuple(fields, skip_pos) => { @@ -743,13 +774,13 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { PatKind::Expr(lit_expr) => { bind!(self, lit_expr); kind!("Expr({lit_expr})"); - self.pat_expr(lit_expr); + self.pat_expr(lit_expr, pat); }, PatKind::Range(start, end, end_kind) => { opt_bind!(self, start, end); kind!("Range({start}, {end}, RangeEnd::{end_kind:?})"); - start.if_some(|e| self.pat_expr(e)); - end.if_some(|e| self.pat_expr(e)); + start.if_some(|e| self.pat_expr(e, pat)); + end.if_some(|e| self.pat_expr(e, pat)); }, PatKind::Slice(start, middle, end) => { bind!(self, start, end); @@ -797,32 +828,3 @@ 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 } - -fn path_to_string(path: &QPath<'_>) -> Result<String, ()> { - fn inner(s: &mut String, path: &QPath<'_>) -> Result<(), ()> { - match *path { - QPath::Resolved(_, path) => { - for (i, segment) in path.segments.iter().enumerate() { - if i > 0 { - *s += ", "; - } - write!(s, "{:?}", segment.ident.as_str()).unwrap(); - } - }, - QPath::TypeRelative(ty, segment) => match &ty.kind { - TyKind::Path(inner_path) => { - inner(s, inner_path)?; - *s += ", "; - write!(s, "{:?}", segment.ident.as_str()).unwrap(); - }, - other => write!(s, "/* unimplemented: {other:?}*/").unwrap(), - }, - QPath::LangItem(..) => return Err(()), - } - - Ok(()) - } - let mut s = String::new(); - inner(&mut s, path)?; - Ok(s) -} diff --git a/src/tools/clippy/clippy_lints/src/write.rs b/src/tools/clippy/clippy_lints/src/write.rs index f24c127c452..a8758b65c91 100644 --- a/src/tools/clippy/clippy_lints/src/write.rs +++ b/src/tools/clippy/clippy_lints/src/write.rs @@ -498,9 +498,9 @@ fn check_literal(cx: &LateContext<'_>, format_args: &FormatArgs, name: &str) { None => return, }, LitKind::Char => ( - match lit.symbol.as_str() { - "\"" => "\\\"", - "\\'" => "'", + match lit.symbol { + sym::DOUBLE_QUOTE => "\\\"", + sym::BACKSLASH_SINGLE_QUOTE => "'", _ => match value_string.strip_prefix('\'').and_then(|s| s.strip_suffix('\'')) { Some(stripped) => stripped, None => return, 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 a97643e0eac..24b1381ba45 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 @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_help; -use clippy_utils::ty::{is_normalizable, is_type_diagnostic_item, ty_from_hir_ty}; +use clippy_utils::ty::{is_type_diagnostic_item, ty_from_hir_ty}; use rustc_hir::{self as hir, AmbigArg, HirId, ItemKind, Node}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf as _; @@ -54,8 +54,6 @@ impl LateLintPass<'_> for ZeroSizedMapValues { // 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() - // Do this to prevent `layout_of` crashing, being unable to fully normalize `ty`. - && is_normalizable(cx, cx.param_env, ty) && let Ok(layout) = cx.layout_of(ty) && layout.is_zst() { diff --git a/src/tools/clippy/clippy_lints_internal/Cargo.toml b/src/tools/clippy/clippy_lints_internal/Cargo.toml index 2a0ceac27a3..a8293a1ad39 100644 --- a/src/tools/clippy/clippy_lints_internal/Cargo.toml +++ b/src/tools/clippy/clippy_lints_internal/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "clippy_lints_internal" version = "0.0.1" -edition = "2021" +edition = "2024" [dependencies] clippy_config = { path = "../clippy_config" } 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 d7967a0cc02..407deb45db0 100644 --- a/src/tools/clippy/clippy_lints_internal/src/collapsible_calls.rs +++ b/src/tools/clippy/clippy_lints_internal/src/collapsible_calls.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; -use clippy_utils::{SpanlessEq, is_expr_path_def_path, is_lint_allowed, peel_blocks_with_stmt}; +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}; @@ -10,6 +10,8 @@ use rustc_span::Span; use std::borrow::{Borrow, Cow}; +use crate::internal_paths; + declare_tool_lint! { /// ### What it does /// Lints `span_lint_and_then` function calls, where the @@ -80,7 +82,7 @@ impl<'tcx> LateLintPass<'tcx> for CollapsibleCalls { } if let ExprKind::Call(func, [call_cx, call_lint, call_sp, call_msg, call_f]) = expr.kind - && is_expr_path_def_path(cx, func, &["clippy_utils", "diagnostics", "span_lint_and_then"]) + && internal_paths::SPAN_LINT_AND_THEN.matches_path(cx, func) && let ExprKind::Closure(&Closure { body, .. }) = call_f.kind && let body = cx.tcx.hir_body(body) && let only_expr = peel_blocks_with_stmt(body.value) diff --git a/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs b/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs new file mode 100644 index 00000000000..a1dacd359a0 --- /dev/null +++ b/src/tools/clippy/clippy_lints_internal/src/derive_deserialize_allowing_unknown.rs @@ -0,0 +1,164 @@ +use clippy_utils::diagnostics::span_lint; +use clippy_utils::paths; +use rustc_ast::tokenstream::{TokenStream, TokenTree}; +use rustc_ast::{AttrStyle, DelimArgs}; +use rustc_hir::def::Res; +use rustc_hir::def_id::LocalDefId; +use rustc_hir::{ + AttrArgs, AttrItem, AttrPath, Attribute, HirId, Impl, Item, ItemKind, Path, QPath, TraitRef, Ty, TyKind, +}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_lint_defs::declare_tool_lint; +use rustc_middle::ty::TyCtxt; +use rustc_session::declare_lint_pass; +use rustc_span::sym; + +declare_tool_lint! { + /// ### What it does + /// Checks for structs or enums that derive `serde::Deserialize` and that + /// do not have a `#[serde(deny_unknown_fields)]` attribute. + /// + /// ### Why is this bad? + /// If the struct or enum is used in [`clippy_config::conf::Conf`] and a + /// user inserts an unknown field by mistake, the user's error will be + /// silently ignored. + /// + /// ### Example + /// ```rust + /// #[derive(serde::Deserialize)] + /// pub struct DisallowedPath { + /// path: String, + /// reason: Option<String>, + /// replacement: Option<String>, + /// } + /// ``` + /// + /// Use instead: + /// ```rust + /// #[derive(serde::Deserialize)] + /// #[serde(deny_unknown_fields)] + /// pub struct DisallowedPath { + /// path: String, + /// reason: Option<String>, + /// replacement: Option<String>, + /// } + /// ``` + pub clippy::DERIVE_DESERIALIZE_ALLOWING_UNKNOWN, + Allow, + "`#[derive(serde::Deserialize)]` without `#[serde(deny_unknown_fields)]`", + report_in_external_macro: true +} + +declare_lint_pass!(DeriveDeserializeAllowingUnknown => [DERIVE_DESERIALIZE_ALLOWING_UNKNOWN]); + +impl<'tcx> LateLintPass<'tcx> for DeriveDeserializeAllowingUnknown { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { + // Is this an `impl` (of a certain form)? + let ItemKind::Impl(Impl { + of_trait: + Some(TraitRef { + path: + Path { + res: Res::Def(_, trait_def_id), + .. + }, + .. + }), + self_ty: + Ty { + kind: + TyKind::Path(QPath::Resolved( + None, + Path { + res: Res::Def(_, self_ty_def_id), + .. + }, + )), + .. + }, + .. + }) = item.kind + else { + return; + }; + + // Is it an `impl` of the trait `serde::Deserialize`? + if !paths::SERDE_DESERIALIZE.get(cx).contains(trait_def_id) { + return; + } + + // Is it derived? + if !cx.tcx.has_attr(item.owner_id, sym::automatically_derived) { + return; + } + + // Is `self_ty` local? + let Some(local_def_id) = self_ty_def_id.as_local() else { + return; + }; + + // Does `self_ty` have a variant with named fields? + if !has_variant_with_named_fields(cx.tcx, local_def_id) { + return; + } + + let hir_id = cx.tcx.local_def_id_to_hir_id(local_def_id); + + // Does `self_ty` have `#[serde(deny_unknown_fields)]`? + if let Some(tokens) = find_serde_attr_item(cx.tcx, hir_id) + && tokens.iter().any(is_deny_unknown_fields_token) + { + return; + } + + span_lint( + cx, + DERIVE_DESERIALIZE_ALLOWING_UNKNOWN, + item.span, + "`#[derive(serde::Deserialize)]` without `#[serde(deny_unknown_fields)]`", + ); + } +} + +// Determines whether `def_id` corresponds to an ADT with at least one variant with named fields. A +// variant has named fields if its `ctor` field is `None`. +fn has_variant_with_named_fields(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { + let ty = tcx.type_of(def_id).skip_binder(); + + let rustc_middle::ty::Adt(adt_def, _) = ty.kind() else { + return false; + }; + + adt_def.variants().iter().any(|variant_def| variant_def.ctor.is_none()) +} + +fn find_serde_attr_item(tcx: TyCtxt<'_>, hir_id: HirId) -> Option<&TokenStream> { + tcx.hir_attrs(hir_id).iter().find_map(|attribute| { + if let Attribute::Unparsed(attr_item) = attribute + && let AttrItem { + path: AttrPath { segments, .. }, + args: AttrArgs::Delimited(DelimArgs { tokens, .. }), + style: AttrStyle::Outer, + .. + } = &**attr_item + && segments.len() == 1 + && segments[0].as_str() == "serde" + { + Some(tokens) + } else { + None + } + }) +} + +fn is_deny_unknown_fields_token(tt: &TokenTree) -> bool { + if let TokenTree::Token(token, _) = tt + && token + .ident() + .is_some_and(|(token, _)| token.as_str() == "deny_unknown_fields") + { + true + } else { + false + } +} diff --git a/src/tools/clippy/clippy_lints_internal/src/internal_paths.rs b/src/tools/clippy/clippy_lints_internal/src/internal_paths.rs new file mode 100644 index 00000000000..dc1e30ab2bd --- /dev/null +++ b/src/tools/clippy/clippy_lints_internal/src/internal_paths.rs @@ -0,0 +1,17 @@ +use clippy_utils::paths::{PathLookup, PathNS}; +use clippy_utils::{sym, type_path, value_path}; + +// Paths inside rustc +pub static EARLY_LINT_PASS: PathLookup = type_path!(rustc_lint::passes::EarlyLintPass); +pub static KW_MODULE: PathLookup = type_path!(rustc_span::symbol::kw); +pub static LINT: PathLookup = type_path!(rustc_lint_defs::Lint); +pub static SYMBOL: PathLookup = type_path!(rustc_span::symbol::Symbol); +pub static SYMBOL_AS_STR: PathLookup = value_path!(rustc_span::symbol::Symbol::as_str); +pub static SYM_MODULE: PathLookup = type_path!(rustc_span::symbol::sym); +pub static SYNTAX_CONTEXT: PathLookup = type_path!(rustc_span::hygiene::SyntaxContext); + +// Paths in clippy itself +pub static CLIPPY_SYM_MODULE: PathLookup = type_path!(clippy_utils::sym); +pub static MSRV_STACK: PathLookup = type_path!(clippy_utils::msrvs::MsrvStack); +pub static PATH_LOOKUP_NEW: PathLookup = value_path!(clippy_utils::paths::PathLookup::new); +pub static SPAN_LINT_AND_THEN: PathLookup = value_path!(clippy_utils::diagnostics::span_lint_and_then); diff --git a/src/tools/clippy/clippy_lints_internal/src/invalid_paths.rs b/src/tools/clippy/clippy_lints_internal/src/invalid_paths.rs deleted file mode 100644 index bee87efa3fc..00000000000 --- a/src/tools/clippy/clippy_lints_internal/src/invalid_paths.rs +++ /dev/null @@ -1,108 +0,0 @@ -use clippy_utils::consts::{ConstEvalCtxt, Constant}; -use clippy_utils::def_path_res; -use clippy_utils::diagnostics::span_lint; -use rustc_hir as hir; -use rustc_hir::Item; -use rustc_hir::def::DefKind; -use rustc_lint::{LateContext, LateLintPass}; -use rustc_lint_defs::declare_tool_lint; -use rustc_middle::ty::fast_reject::SimplifiedType; -use rustc_middle::ty::{self, FloatTy}; -use rustc_session::declare_lint_pass; -use rustc_span::symbol::Symbol; - -declare_tool_lint! { - /// ### What it does - /// Checks the paths module for invalid paths. - /// - /// ### Why is this bad? - /// It indicates a bug in the code. - /// - /// ### Example - /// None. - pub clippy::INVALID_PATHS, - Warn, - "invalid path", - report_in_external_macro: true -} - -declare_lint_pass!(InvalidPaths => [INVALID_PATHS]); - -impl<'tcx> LateLintPass<'tcx> for InvalidPaths { - fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { - let local_def_id = &cx.tcx.parent_module(item.hir_id()); - let mod_name = &cx.tcx.item_name(local_def_id.to_def_id()); - if mod_name.as_str() == "paths" - && let hir::ItemKind::Const(.., body_id) = item.kind - && let Some(Constant::Vec(path)) = ConstEvalCtxt::with_env( - cx.tcx, - ty::TypingEnv::post_analysis(cx.tcx, item.owner_id), - cx.tcx.typeck(item.owner_id), - ) - .eval_simple(cx.tcx.hir_body(body_id).value) - && let Some(path) = path - .iter() - .map(|x| { - if let Constant::Str(s) = x { - Some(s.as_str()) - } else { - None - } - }) - .collect::<Option<Vec<&str>>>() - && !check_path(cx, &path[..]) - { - span_lint(cx, INVALID_PATHS, item.span, "invalid path"); - } - } -} - -// This is not a complete resolver for paths. It works on all the paths currently used in the paths -// module. That's all it does and all it needs to do. -pub fn check_path(cx: &LateContext<'_>, path: &[&str]) -> bool { - if !def_path_res(cx.tcx, path).is_empty() { - return true; - } - - // Some implementations can't be found by `path_to_res`, particularly inherent - // implementations of native types. Check lang items. - let path_syms: Vec<_> = path.iter().map(|p| Symbol::intern(p)).collect(); - let lang_items = cx.tcx.lang_items(); - // This list isn't complete, but good enough for our current list of paths. - let incoherent_impls = [ - SimplifiedType::Float(FloatTy::F32), - SimplifiedType::Float(FloatTy::F64), - SimplifiedType::Slice, - SimplifiedType::Str, - SimplifiedType::Bool, - SimplifiedType::Char, - ] - .iter() - .flat_map(|&ty| cx.tcx.incoherent_impls(ty).iter()) - .copied(); - for item_def_id in lang_items.iter().map(|(_, def_id)| def_id).chain(incoherent_impls) { - let lang_item_path = cx.get_def_path(item_def_id); - if path_syms.starts_with(&lang_item_path) - && let [item] = &path_syms[lang_item_path.len()..] - { - if matches!( - cx.tcx.def_kind(item_def_id), - DefKind::Mod | DefKind::Enum | DefKind::Trait - ) { - for child in cx.tcx.module_children(item_def_id) { - if child.ident.name == *item { - return true; - } - } - } else { - for child in cx.tcx.associated_item_def_ids(item_def_id) { - if cx.tcx.item_name(*child) == *item { - return true; - } - } - } - } - } - - false -} diff --git a/src/tools/clippy/clippy_lints_internal/src/lib.rs b/src/tools/clippy/clippy_lints_internal/src/lib.rs index 4d1e56fd7a5..0c94d100c41 100644 --- a/src/tools/clippy/clippy_lints_internal/src/lib.rs +++ b/src/tools/clippy/clippy_lints_internal/src/lib.rs @@ -1,4 +1,4 @@ -#![feature(let_chains, rustc_private)] +#![feature(rustc_private)] #![allow( clippy::missing_docs_in_private_items, clippy::must_use_candidate, @@ -33,7 +33,8 @@ extern crate rustc_span; mod almost_standard_lint_formulation; mod collapsible_calls; -mod invalid_paths; +mod derive_deserialize_allowing_unknown; +mod internal_paths; mod lint_without_lint_pass; mod msrv_attr_impl; mod outer_expn_data_pass; @@ -47,7 +48,7 @@ use rustc_lint::{Lint, LintStore}; static LINTS: &[&Lint] = &[ almost_standard_lint_formulation::ALMOST_STANDARD_LINT_FORMULATION, collapsible_calls::COLLAPSIBLE_SPAN_LINT_CALLS, - invalid_paths::INVALID_PATHS, + derive_deserialize_allowing_unknown::DERIVE_DESERIALIZE_ALLOWING_UNKNOWN, lint_without_lint_pass::DEFAULT_LINT, lint_without_lint_pass::INVALID_CLIPPY_VERSION_ATTRIBUTE, lint_without_lint_pass::LINT_WITHOUT_LINT_PASS, @@ -67,10 +68,10 @@ pub fn register_lints(store: &mut LintStore) { store.register_early_pass(|| Box::new(unsorted_clippy_utils_paths::UnsortedClippyUtilsPaths)); store.register_early_pass(|| Box::new(produce_ice::ProduceIce)); store.register_late_pass(|_| Box::new(collapsible_calls::CollapsibleCalls)); - store.register_late_pass(|_| Box::new(invalid_paths::InvalidPaths)); + store.register_late_pass(|_| Box::new(derive_deserialize_allowing_unknown::DeriveDeserializeAllowingUnknown)); store.register_late_pass(|_| Box::<symbols::Symbols>::default()); store.register_late_pass(|_| Box::<lint_without_lint_pass::LintWithoutLintPass>::default()); - store.register_late_pass(|_| Box::<unnecessary_def_path::UnnecessaryDefPath>::default()); + store.register_late_pass(|_| Box::new(unnecessary_def_path::UnnecessaryDefPath)); store.register_late_pass(|_| Box::new(outer_expn_data_pass::OuterExpnDataPass)); store.register_late_pass(|_| Box::new(msrv_attr_impl::MsrvAttrImpl)); store.register_late_pass(|_| Box::new(almost_standard_lint_formulation::AlmostStandardFormulation::new())); 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 6a75defcce3..655d8fb8d1b 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 @@ -1,6 +1,7 @@ +use crate::internal_paths; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::is_lint_allowed; use clippy_utils::macros::root_macro_call_first_node; -use clippy_utils::{is_lint_allowed, match_def_path, paths}; use rustc_ast::ast::LitKind; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_hir as hir; @@ -209,10 +210,10 @@ pub(super) fn is_lint_ref_type(cx: &LateContext<'_>, ty: &hir::Ty<'_>) -> bool { && let TyKind::Path(ref path) = inner.kind && let Res::Def(DefKind::Struct, def_id) = cx.qpath_res(path, inner.hir_id) { - return match_def_path(cx, def_id, &paths::LINT); + internal_paths::LINT.matches(cx, def_id) + } else { + false } - - false } fn check_invalid_clippy_version_attribute(cx: &LateContext<'_>, item: &'_ Item<'_>) { 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 dda054546e2..d48d8dc57b2 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 @@ -1,7 +1,6 @@ +use crate::internal_paths; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; -use clippy_utils::ty::match_type; -use clippy_utils::{match_def_path, paths}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass, LintContext}; @@ -31,7 +30,7 @@ impl LateLintPass<'_> for MsrvAttrImpl { .tcx .impl_trait_ref(item.owner_id) .map(EarlyBinder::instantiate_identity) - && match_def_path(cx, trait_ref.def_id, &paths::EARLY_LINT_PASS) + && internal_paths::EARLY_LINT_PASS.matches(cx, trait_ref.def_id) && let ty::Adt(self_ty_def, _) = trait_ref.self_ty().kind() && self_ty_def.is_struct() && self_ty_def.all_fields().any(|f| { @@ -40,7 +39,7 @@ impl LateLintPass<'_> for MsrvAttrImpl { .instantiate_identity() .walk() .filter(|t| matches!(t.unpack(), GenericArgKind::Type(_))) - .any(|t| match_type(cx, t.expect_ty(), &paths::MSRV_STACK)) + .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 e9441964797..40951443a48 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 @@ -1,6 +1,6 @@ +use crate::internal_paths; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::ty::match_type; -use clippy_utils::{is_lint_allowed, method_calls, paths}; +use clippy_utils::{is_lint_allowed, method_calls}; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; @@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for OuterExpnDataPass { && let (self_arg, args) = arg_lists[1] && args.is_empty() && let self_ty = cx.typeck_results().expr_ty(self_arg).peel_refs() - && match_type(cx, self_ty, &paths::SYNTAX_CONTEXT) + && internal_paths::SYNTAX_CONTEXT.matches_ty(cx, self_ty) { span_lint_and_sugg( cx, diff --git a/src/tools/clippy/clippy_lints_internal/src/symbols.rs b/src/tools/clippy/clippy_lints_internal/src/symbols.rs index c64e5821916..5aee545fb0f 100644 --- a/src/tools/clippy/clippy_lints_internal/src/symbols.rs +++ b/src/tools/clippy/clippy_lints_internal/src/symbols.rs @@ -1,11 +1,10 @@ +use crate::internal_paths; use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::ty::match_type; -use clippy_utils::{def_path_def_ids, match_def_path, paths}; use rustc_ast::LitKind; use rustc_data_structures::fx::FxHashMap; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{Expr, ExprKind}; +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; @@ -66,17 +65,50 @@ pub struct Symbols { impl_lint_pass!(Symbols => [INTERNING_LITERALS, SYMBOL_AS_STR]); +impl Symbols { + fn lit_suggestion(&self, lit: &Lit) -> Option<(Span, String)> { + if let LitKind::Str(name, _) = lit.node { + let sugg = if let Some((prefix, name)) = self.symbol_map.get(&name.as_u32()) { + format!("{prefix}::{name}") + } else { + format!("sym::{}", name.as_str().replace(|ch: char| !ch.is_alphanumeric(), "_")) + }; + Some((lit.span, sugg)) + } else { + None + } + } + + fn expr_suggestion(&self, expr: &Expr<'_>) -> Option<(Span, String)> { + if let ExprKind::Lit(lit) = expr.kind { + self.lit_suggestion(lit) + } else { + None + } + } + + fn pat_suggestions(&self, pat: &Pat<'_>, suggestions: &mut Vec<(Span, String)>) { + pat.walk_always(|pat| { + if let PatKind::Expr(pat_expr) = pat.kind + && let PatExprKind::Lit { lit, .. } = pat_expr.kind + { + suggestions.extend(self.lit_suggestion(lit)); + } + }); + } +} + impl<'tcx> LateLintPass<'tcx> for Symbols { fn check_crate(&mut self, cx: &LateContext<'_>) { let modules = [ - ("kw", &paths::KW_MODULE[..]), - ("sym", &paths::SYM_MODULE), - ("sym", &paths::CLIPPY_SYM_MODULE), + ("kw", &internal_paths::KW_MODULE), + ("sym", &internal_paths::SYM_MODULE), + ("sym", &internal_paths::CLIPPY_SYM_MODULE), ]; for (prefix, module) in modules { - for def_id in def_path_def_ids(cx.tcx, module) { + for def_id in module.get(cx) { // When linting `clippy_utils` itself we can't use `module_children` as it's a local def id. It will - // still lint but the suggestion will say to add it to `sym.rs` even if it's already there + // still lint but the suggestion may suggest the incorrect name for symbols such as `sym::CRLF` if def_id.is_local() { continue; } @@ -84,7 +116,7 @@ impl<'tcx> LateLintPass<'tcx> for Symbols { for item in cx.tcx.module_children(def_id) { if let Res::Def(DefKind::Const, item_def_id) = item.res && let ty = cx.tcx.type_of(item_def_id).instantiate_identity() - && match_type(cx, ty, &paths::SYMBOL) + && internal_paths::SYMBOL.matches_ty(cx, ty) && let Ok(ConstValue::Scalar(value)) = cx.tcx.const_eval_poly(item_def_id) && let Some(value) = value.to_u32().discard_err() { @@ -99,8 +131,7 @@ impl<'tcx> LateLintPass<'tcx> for Symbols { if let ExprKind::Call(func, [arg]) = &expr.kind && let ty::FnDef(def_id, _) = cx.typeck_results().expr_ty(func).kind() && cx.tcx.is_diagnostic_item(sym::SymbolIntern, *def_id) - && let ExprKind::Lit(lit) = arg.kind - && let LitKind::Str(name, _) = lit.node + && let Some((_, sugg)) = self.expr_suggestion(arg) { span_lint_and_then( cx, @@ -108,48 +139,55 @@ impl<'tcx> LateLintPass<'tcx> for Symbols { expr.span, "interning a string literal", |diag| { - let (message, path) = suggestion(&mut self.symbol_map, name); - diag.span_suggestion_verbose(expr.span, message, path, Applicability::MaybeIncorrect); + diag.span_suggestion_verbose( + expr.span, + "use a preinterned symbol instead", + sugg, + Applicability::MaybeIncorrect, + ); + diag.help("add the symbol to `clippy_utils/src/sym.rs` if needed"); }, ); } - if let ExprKind::Binary(_, lhs, rhs) = expr.kind { - check_binary(cx, lhs, rhs, &mut self.symbol_map); - check_binary(cx, rhs, lhs, &mut self.symbol_map); - } - } -} + if let Some(as_str) = as_str_span(cx, expr) + && let Node::Expr(parent) = cx.tcx.parent_hir_node(expr.hir_id) + { + let mut suggestions = Vec::new(); -fn check_binary( - cx: &LateContext<'_>, - lhs: &Expr<'_>, - rhs: &Expr<'_>, - symbols: &mut FxHashMap<u32, (&'static str, Symbol)>, -) { - if let Some(removal_span) = as_str_span(cx, lhs) - && let ExprKind::Lit(lit) = rhs.kind - && let LitKind::Str(name, _) = lit.node - { - span_lint_and_then(cx, SYMBOL_AS_STR, lhs.span, "converting a Symbol to a string", |diag| { - let (message, path) = suggestion(symbols, name); - diag.multipart_suggestion_verbose( - message, - vec![(removal_span, String::new()), (rhs.span, path)], - Applicability::MachineApplicable, - ); - }); - } -} + match parent.kind { + ExprKind::Binary(_, lhs, rhs) => { + suggestions.extend(self.expr_suggestion(lhs)); + suggestions.extend(self.expr_suggestion(rhs)); + }, + ExprKind::Match(_, arms, _) => { + for arm in arms { + self.pat_suggestions(arm.pat, &mut suggestions); + } + }, + _ => {}, + } -fn suggestion(symbols: &mut FxHashMap<u32, (&'static str, Symbol)>, name: Symbol) -> (&'static str, String) { - if let Some((prefix, name)) = symbols.get(&name.as_u32()) { - ("use the preinterned symbol", format!("{prefix}::{name}")) - } else { - ( - "add the symbol to `clippy_utils/src/sym.rs` and use it", - format!("sym::{}", name.as_str().replace(|ch: char| !ch.is_alphanumeric(), "_")), - ) + if suggestions.is_empty() { + return; + } + + span_lint_and_then( + cx, + SYMBOL_AS_STR, + expr.span, + "converting a Symbol to a string", + |diag| { + suggestions.push((as_str, String::new())); + diag.multipart_suggestion( + "use preinterned symbols instead", + suggestions, + Applicability::MaybeIncorrect, + ); + diag.help("add the symbols to `clippy_utils/src/sym.rs` if needed"); + }, + ); + } } } @@ -160,7 +198,7 @@ fn suggestion(symbols: &mut FxHashMap<u32, (&'static str, Symbol)>, name: Symbol fn as_str_span(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<Span> { if let ExprKind::MethodCall(_, recv, [], _) = expr.kind && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) - && match_def_path(cx, method_def_id, &paths::SYMBOL_AS_STR) + && internal_paths::SYMBOL_AS_STR.matches(cx, method_def_id) { Some(recv.span.shrink_to_hi().to(expr.span.shrink_to_hi())) } else { diff --git a/src/tools/clippy/clippy_lints_internal/src/unnecessary_def_path.rs b/src/tools/clippy/clippy_lints_internal/src/unnecessary_def_path.rs index 6bdfbed55b0..8877f1faf0e 100644 --- a/src/tools/clippy/clippy_lints_internal/src/unnecessary_def_path.rs +++ b/src/tools/clippy/clippy_lints_internal/src/unnecessary_def_path.rs @@ -1,23 +1,14 @@ -use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then}; -use clippy_utils::source::snippet_with_applicability; -use clippy_utils::{def_path_def_ids, is_lint_allowed, match_any_def_paths, peel_hir_expr_refs}; -use rustc_ast::ast::LitKind; -use rustc_data_structures::fx::{FxHashSet, FxIndexSet}; -use rustc_errors::Applicability; -use rustc_hir::def::{DefKind, Res}; +use crate::internal_paths; +use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::paths::{PathNS, lookup_path}; +use clippy_utils::{path_def_id, peel_ref_operators}; use rustc_hir::def_id::DefId; -use rustc_hir::{Expr, ExprKind, LetStmt, Mutability, Node}; +use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_lint_defs::declare_tool_lint; +use rustc_lint_defs::{declare_lint_pass, declare_tool_lint}; use rustc_middle::mir::ConstValue; -use rustc_middle::mir::interpret::{Allocation, GlobalAlloc}; -use rustc_middle::ty::{self, Ty}; -use rustc_session::impl_lint_pass; -use rustc_span::Span; use rustc_span::symbol::Symbol; -use std::str; - declare_tool_lint! { /// ### What it does /// Checks for usage of def paths when a diagnostic item or a `LangItem` could be used. @@ -28,12 +19,14 @@ declare_tool_lint! { /// /// ### Example /// ```rust,ignore - /// utils::match_type(cx, ty, &paths::VEC) + /// pub static VEC: PathLookup = path!(alloc::vec::Vec); + /// + /// VEC.contains_ty(cx, ty) /// ``` /// /// Use instead: /// ```rust,ignore - /// utils::is_type_diagnostic_item(cx, ty, sym::Vec) + /// is_type_diagnostic_item(cx, ty, sym::Vec) /// ``` pub clippy::UNNECESSARY_DEF_PATH, Warn, @@ -41,259 +34,67 @@ declare_tool_lint! { report_in_external_macro: true } -impl_lint_pass!(UnnecessaryDefPath => [UNNECESSARY_DEF_PATH]); - -#[derive(Default)] -pub struct UnnecessaryDefPath { - array_def_ids: FxIndexSet<(DefId, Span)>, - linted_def_ids: FxHashSet<DefId>, -} +declare_lint_pass!(UnnecessaryDefPath => [UNNECESSARY_DEF_PATH]); impl<'tcx> LateLintPass<'tcx> for UnnecessaryDefPath { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if is_lint_allowed(cx, UNNECESSARY_DEF_PATH, expr.hir_id) { - return; - } - - match expr.kind { - ExprKind::Call(func, args) => self.check_call(cx, func, args, expr.span), - ExprKind::Array(elements) => self.check_array(cx, elements, expr.span), - _ => {}, - } - } - - fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { - for &(def_id, span) in &self.array_def_ids { - if self.linted_def_ids.contains(&def_id) { - continue; - } - - let (msg, sugg) = if let Some(sym) = cx.tcx.get_diagnostic_name(def_id) { - ("diagnostic item", format!("sym::{sym}")) - } else if let Some(sym) = get_lang_item_name(cx, def_id) { - ("language item", format!("LangItem::{sym}")) - } else { - continue; - }; - - span_lint_and_help( - cx, - UNNECESSARY_DEF_PATH, - span, - format!("hardcoded path to a {msg}"), - None, - format!("convert all references to use `{sugg}`"), - ); - } - } -} - -impl UnnecessaryDefPath { - #[allow(clippy::too_many_lines)] - fn check_call(&mut self, cx: &LateContext<'_>, func: &Expr<'_>, args: &[Expr<'_>], span: Span) { - enum Item { - LangItem(&'static str), - DiagnosticItem(Symbol), - } - static PATHS: &[&[&str]] = &[ - &["clippy_utils", "match_def_path"], - &["clippy_utils", "match_trait_method"], - &["clippy_utils", "ty", "match_type"], - &["clippy_utils", "is_expr_path_def_path"], - ]; - - if let [cx_arg, def_arg, args @ ..] = args - && let ExprKind::Path(path) = &func.kind - && let Some(id) = cx.qpath_res(path, func.hir_id).opt_def_id() - && let Some(which_path) = match_any_def_paths(cx, id, PATHS) - && let item_arg = if which_path == 4 { &args[1] } else { &args[0] } - // Extract the path to the matched type - && let Some(segments) = path_to_matched_type(cx, item_arg) - && let segments = segments.iter().map(|sym| &**sym).collect::<Vec<_>>() - && let Some(def_id) = def_path_def_ids(cx.tcx, &segments[..]).next() + if let ExprKind::Call(ctor, [_, path]) = expr.kind + && internal_paths::PATH_LOOKUP_NEW.matches_path(cx, ctor) + && let ExprKind::Array(segments) = peel_ref_operators(cx, path).kind + && let Some(macro_id) = expr.span.ctxt().outer_expn_data().macro_def_id { - // Check if the target item is a diagnostic item or LangItem. - #[rustfmt::skip] - let (msg, item) = if let Some(item_name) - = cx.tcx.diagnostic_items(def_id.krate).id_to_name.get(&def_id) - { - ( - "use of a def path to a diagnostic item", - Item::DiagnosticItem(*item_name), - ) - } else if let Some(item_name) = get_lang_item_name(cx, def_id) { - ( - "use of a def path to a `LangItem`", - Item::LangItem(item_name), - ) - } else { - return; - }; - - let has_ctor = match cx.tcx.def_kind(def_id) { - DefKind::Struct => { - let variant = cx.tcx.adt_def(def_id).non_enum_variant(); - variant.ctor.is_some() && variant.fields.iter().all(|f| f.vis.is_public()) - }, - DefKind::Variant => { - let variant = cx.tcx.adt_def(cx.tcx.parent(def_id)).variant_with_id(def_id); - variant.ctor.is_some() && variant.fields.iter().all(|f| f.vis.is_public()) - }, - _ => false, + let ns = match cx.tcx.item_name(macro_id).as_str() { + "type_path" => PathNS::Type, + "value_path" => PathNS::Value, + "macro_path" => PathNS::Macro, + _ => unreachable!(), }; - let mut app = Applicability::MachineApplicable; - let cx_snip = snippet_with_applicability(cx, cx_arg.span, "..", &mut app); - let def_snip = snippet_with_applicability(cx, def_arg.span, "..", &mut app); - let (sugg, with_note) = match (which_path, item) { - // match_def_path - (0, Item::DiagnosticItem(item)) => ( - format!("{cx_snip}.tcx.is_diagnostic_item(sym::{item}, {def_snip})"), - has_ctor, - ), - (0, Item::LangItem(item)) => ( - format!("{cx_snip}.tcx.lang_items().get(LangItem::{item}) == Some({def_snip})"), - has_ctor, - ), - // match_trait_method - (1, Item::DiagnosticItem(item)) => { - (format!("is_trait_method({cx_snip}, {def_snip}, sym::{item})"), false) - }, - // match_type - (2, Item::DiagnosticItem(item)) => ( - format!("is_type_diagnostic_item({cx_snip}, {def_snip}, sym::{item})"), - false, - ), - (2, Item::LangItem(item)) => ( - format!("is_type_lang_item({cx_snip}, {def_snip}, LangItem::{item})"), - false, - ), - // is_expr_path_def_path - (3, Item::DiagnosticItem(item)) if has_ctor => ( - format!("is_res_diag_ctor({cx_snip}, path_res({cx_snip}, {def_snip}), sym::{item})",), - false, - ), - (3, Item::LangItem(item)) if has_ctor => ( - format!("is_res_lang_ctor({cx_snip}, path_res({cx_snip}, {def_snip}), LangItem::{item})",), - false, - ), - (3, Item::DiagnosticItem(item)) => ( - format!("is_path_diagnostic_item({cx_snip}, {def_snip}, sym::{item})"), - false, - ), - (3, Item::LangItem(item)) => ( - format!( - "path_res({cx_snip}, {def_snip}).opt_def_id()\ - .map_or(false, |id| {cx_snip}.tcx.lang_items().get(LangItem::{item}) == Some(id))", - ), - false, - ), - _ => return, - }; - - span_lint_and_then(cx, UNNECESSARY_DEF_PATH, span, msg, |diag| { - diag.span_suggestion(span, "try", sugg, app); - if with_note { - diag.help( - "if this `DefId` came from a constructor expression or pattern then the \ - parent `DefId` should be used instead", + let path: Vec<Symbol> = segments + .iter() + .map(|segment| { + if let Some(const_def_id) = path_def_id(cx, segment) + && let Ok(ConstValue::Scalar(value)) = cx.tcx.const_eval_poly(const_def_id) + && let Some(value) = value.to_u32().discard_err() + { + Symbol::new(value) + } else { + panic!("failed to resolve path {:?}", expr.span); + } + }) + .collect(); + + for def_id in lookup_path(cx.tcx, ns, &path) { + if let Some(name) = cx.tcx.get_diagnostic_name(def_id) { + span_lint_and_then( + cx, + UNNECESSARY_DEF_PATH, + expr.span.source_callsite(), + format!("a diagnostic name exists for this path: sym::{name}"), + |diag| { + diag.help( + "remove the `PathLookup` and use utilities such as `cx.tcx.is_diagnostic_item` instead", + ); + diag.help("see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=diag&filter-crate=clippy_utils"); + }, + ); + } else if let Some(item_name) = get_lang_item_name(cx, def_id) { + span_lint_and_then( + cx, + UNNECESSARY_DEF_PATH, + expr.span.source_callsite(), + format!("a language item exists for this path: LangItem::{item_name}"), + |diag| { + diag.help("remove the `PathLookup` and use utilities such as `cx.tcx.lang_items` instead"); + diag.help("see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=lang&filter-crate=clippy_utils"); + }, ); } - }); - - self.linted_def_ids.insert(def_id); - } - } - - fn check_array(&mut self, cx: &LateContext<'_>, elements: &[Expr<'_>], span: Span) { - let Some(path) = path_from_array(elements) else { return }; - - for def_id in def_path_def_ids(cx.tcx, &path.iter().map(AsRef::as_ref).collect::<Vec<_>>()) { - self.array_def_ids.insert((def_id, span)); - } - } -} - -fn path_to_matched_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<Vec<String>> { - match peel_hir_expr_refs(expr).0.kind { - ExprKind::Path(ref qpath) => match cx.qpath_res(qpath, expr.hir_id) { - Res::Local(hir_id) => { - if let Node::LetStmt(LetStmt { init: Some(init), .. }) = cx.tcx.parent_hir_node(hir_id) { - path_to_matched_type(cx, init) - } else { - None - } - }, - Res::Def(DefKind::Static { .. }, def_id) => read_mir_alloc_def_path( - cx, - cx.tcx.eval_static_initializer(def_id).ok()?.inner(), - cx.tcx.type_of(def_id).instantiate_identity(), - ), - Res::Def(DefKind::Const, def_id) => match cx.tcx.const_eval_poly(def_id).ok()? { - ConstValue::Indirect { alloc_id, offset } if offset.bytes() == 0 => { - let alloc = cx.tcx.global_alloc(alloc_id).unwrap_memory(); - read_mir_alloc_def_path(cx, alloc.inner(), cx.tcx.type_of(def_id).instantiate_identity()) - }, - _ => None, - }, - _ => None, - }, - ExprKind::Array(exprs) => path_from_array(exprs), - _ => None, - } -} - -fn read_mir_alloc_def_path<'tcx>(cx: &LateContext<'tcx>, alloc: &'tcx Allocation, ty: Ty<'_>) -> Option<Vec<String>> { - let (alloc, ty) = if let ty::Ref(_, ty, Mutability::Not) = *ty.kind() { - let &alloc = alloc.provenance().ptrs().values().next()?; - if let GlobalAlloc::Memory(alloc) = cx.tcx.global_alloc(alloc.alloc_id()) { - (alloc.inner(), ty) - } else { - return None; + } } - } else { - (alloc, ty) - }; - - if let ty::Array(ty, _) | ty::Slice(ty) = *ty.kind() - && let ty::Ref(_, ty, Mutability::Not) = *ty.kind() - && ty.is_str() - { - alloc - .provenance() - .ptrs() - .values() - .map(|&alloc| { - if let GlobalAlloc::Memory(alloc) = cx.tcx.global_alloc(alloc.alloc_id()) { - let alloc = alloc.inner(); - str::from_utf8(alloc.inspect_with_uninit_and_ptr_outside_interpreter(0..alloc.len())) - .ok() - .map(ToOwned::to_owned) - } else { - None - } - }) - .collect() - } else { - None } } -fn path_from_array(exprs: &[Expr<'_>]) -> Option<Vec<String>> { - exprs - .iter() - .map(|expr| { - if let ExprKind::Lit(lit) = &expr.kind - && let LitKind::Str(sym, _) = lit.node - { - return Some((*sym.as_str()).to_owned()); - } - - None - }) - .collect() -} - fn get_lang_item_name(cx: &LateContext<'_>, def_id: DefId) -> Option<&'static str> { if let Some((lang_item, _)) = cx.tcx.lang_items().iter().find(|(_, id)| *id == def_id) { Some(lang_item.variant_name()) diff --git a/src/tools/clippy/clippy_utils/Cargo.toml b/src/tools/clippy/clippy_utils/Cargo.toml index b98e9901750..ac970e1c4b0 100644 --- a/src/tools/clippy/clippy_utils/Cargo.toml +++ b/src/tools/clippy/clippy_utils/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "clippy_utils" # begin autogenerated version -version = "0.1.88" +version = "0.1.89" # end autogenerated version edition = "2024" description = "Helpful tools for writing lints, provided as they are used in Clippy" diff --git a/src/tools/clippy/clippy_utils/README.md b/src/tools/clippy/clippy_utils/README.md index 66192f866fa..d4080d06d3c 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-2025-05-01 +nightly-2025-05-14 ``` <!-- end autogenerated nightly --> diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 30a7173320e..4fb608a6482 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -1,9 +1,6 @@ -#![feature(array_chunks)] #![feature(box_patterns)] #![feature(if_let_guard)] -#![feature(macro_metavar_expr_concat)] #![feature(macro_metavar_expr)] -#![feature(let_chains)] #![feature(never_type)] #![feature(rustc_private)] #![feature(assert_matches)] @@ -98,28 +95,28 @@ use rustc_data_structures::packed::Pu128; use rustc_data_structures::unhash::UnhashMap; use rustc_hir::LangItem::{OptionNone, OptionSome, ResultErr, ResultOk}; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE, LocalDefId, LocalModDefId}; +use rustc_hir::def_id::{DefId, LocalDefId, LocalModDefId}; use rustc_hir::definitions::{DefPath, DefPathData}; use rustc_hir::hir_id::{HirIdMap, HirIdSet}; use rustc_hir::intravisit::{FnKind, Visitor, walk_expr}; use rustc_hir::{ - self as hir, Arm, BindingMode, Block, BlockCheckMode, Body, ByRef, Closure, ConstArgKind, ConstContext, - CoroutineDesugaring, CoroutineKind, Destination, Expr, ExprField, ExprKind, FnDecl, FnRetTy, GenericArg, - GenericArgs, HirId, Impl, ImplItem, ImplItemKind, ImplItemRef, Item, ItemKind, LangItem, LetStmt, MatchSource, - Mutability, Node, OwnerId, OwnerNode, Param, Pat, PatExpr, PatExprKind, PatKind, Path, PathSegment, PrimTy, QPath, - Stmt, StmtKind, TraitFn, TraitItem, TraitItemKind, TraitItemRef, TraitRef, TyKind, UnOp, def, + self as hir, Arm, BindingMode, Block, BlockCheckMode, Body, ByRef, Closure, ConstArgKind, CoroutineDesugaring, + CoroutineKind, Destination, Expr, ExprField, ExprKind, FnDecl, FnRetTy, GenericArg, GenericArgs, HirId, Impl, + ImplItem, ImplItemKind, Item, ItemKind, LangItem, LetStmt, MatchSource, Mutability, Node, OwnerId, OwnerNode, + Param, Pat, PatExpr, PatExprKind, PatKind, Path, PathSegment, QPath, Stmt, StmtKind, TraitFn, TraitItem, + TraitItemKind, TraitRef, TyKind, UnOp, def, }; use rustc_lexer::{TokenKind, tokenize}; use rustc_lint::{LateContext, Level, Lint, LintContext}; +use rustc_middle::hir::nested_filter; use rustc_middle::hir::place::PlaceBase; use rustc_middle::lint::LevelAndSource; use rustc_middle::mir::{AggregateKind, Operand, RETURN_PLACE, Rvalue, StatementKind, TerminatorKind}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow}; -use rustc_middle::ty::fast_reject::SimplifiedType; use rustc_middle::ty::layout::IntegerExt; use rustc_middle::ty::{ - self as rustc_ty, Binder, BorrowKind, ClosureKind, EarlyBinder, FloatTy, GenericArgKind, GenericArgsRef, IntTy, Ty, - TyCtxt, TypeFlags, TypeVisitableExt, UintTy, UpvarCapture, + self as rustc_ty, Binder, BorrowKind, ClosureKind, EarlyBinder, GenericArgKind, GenericArgsRef, IntTy, Ty, TyCtxt, + TypeFlags, TypeVisitableExt, UintTy, UpvarCapture, }; use rustc_span::hygiene::{ExpnKind, MacroKind}; use rustc_span::source_map::SourceMap; @@ -132,7 +129,6 @@ use crate::consts::{ConstEvalCtxt, Constant, mir_to_const}; use crate::higher::Range; use crate::ty::{adt_and_variant_of_res, can_partially_move_ty, expr_sig, is_copy, is_recursively_primitive_type}; use crate::visitors::for_each_expr_without_closures; -use rustc_middle::hir::nested_filter; #[macro_export] macro_rules! extract_msrv_attr { @@ -240,7 +236,7 @@ pub fn is_in_const_context(cx: &LateContext<'_>) -> bool { /// * const blocks (or inline consts) /// * associated constants pub fn is_inside_always_const_context(tcx: TyCtxt<'_>, hir_id: HirId) -> bool { - use ConstContext::{Const, ConstFn, Static}; + use rustc_hir::ConstContext::{Const, ConstFn, Static}; let Some(ctx) = tcx.hir_body_const_context(tcx.hir_enclosing_body_owner(hir_id)) else { return false; }; @@ -348,14 +344,6 @@ pub fn is_ty_alias(qpath: &QPath<'_>) -> bool { } } -/// Checks if the method call given in `expr` belongs to the given trait. -/// This is a deprecated function, consider using [`is_trait_method`]. -pub fn match_trait_method(cx: &LateContext<'_>, expr: &Expr<'_>, path: &[&str]) -> bool { - let def_id = cx.typeck_results().type_dependent_def_id(expr.hir_id).unwrap(); - let trt_id = cx.tcx.trait_of_item(def_id); - trt_id.is_some_and(|trt_id| match_def_path(cx, trt_id, path)) -} - /// Checks if the given method call expression calls an inherent method. pub fn is_inherent_method_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { @@ -439,44 +427,6 @@ pub fn qpath_generic_tys<'tcx>(qpath: &QPath<'tcx>) -> impl Iterator<Item = &'tc }) } -/// THIS METHOD IS DEPRECATED. Matches a `QPath` against a slice of segment string literals. -/// -/// This method is deprecated and will eventually be removed since it does not match against the -/// entire path or resolved `DefId`. Prefer using `match_def_path`. Consider getting a `DefId` from -/// `QPath::Resolved.1.res.opt_def_id()`. -/// -/// There is also `match_path` if you are dealing with a `rustc_hir::Path` instead of a -/// `rustc_hir::QPath`. -/// -/// # Examples -/// ```rust,ignore -/// match_qpath(path, &["std", "rt", "begin_unwind"]) -/// ``` -pub fn match_qpath(path: &QPath<'_>, segments: &[&str]) -> bool { - match *path { - QPath::Resolved(_, path) => match_path(path, segments), - QPath::TypeRelative(ty, segment) => match ty.kind { - TyKind::Path(ref inner_path) => { - if let [prefix @ .., end] = segments - && match_qpath(inner_path, prefix) - { - return segment.ident.name.as_str() == *end; - } - false - }, - _ => false, - }, - QPath::LangItem(..) => false, - } -} - -/// If the expression is a path, resolves it to a `DefId` and checks if it matches the given path. -/// -/// Please use `is_path_diagnostic_item` if the target is a diagnostic item. -pub fn is_expr_path_def_path(cx: &LateContext<'_>, expr: &Expr<'_>, segments: &[&str]) -> bool { - path_def_id(cx, expr).is_some_and(|id| match_def_path(cx, id, segments)) -} - /// If `maybe_path` is a path node which resolves to an item, resolves it to a `DefId` and checks if /// it matches the given lang item. pub fn is_path_lang_item<'tcx>(cx: &LateContext<'_>, maybe_path: &impl MaybePath<'tcx>, lang_item: LangItem) -> bool { @@ -493,34 +443,6 @@ pub fn is_path_diagnostic_item<'tcx>( path_def_id(cx, maybe_path).is_some_and(|id| cx.tcx.is_diagnostic_item(diag_item, id)) } -/// THIS METHOD IS DEPRECATED. Matches a `Path` against a slice of segment string literals. -/// -/// This method is deprecated and will eventually be removed since it does not match against the -/// entire path or resolved `DefId`. Prefer using `match_def_path`. Consider getting a `DefId` from -/// `QPath::Resolved.1.res.opt_def_id()`. -/// -/// There is also `match_qpath` if you are dealing with a `rustc_hir::QPath` instead of a -/// `rustc_hir::Path`. -/// -/// # Examples -/// -/// ```rust,ignore -/// if match_path(&trait_ref.path, &paths::HASH) { -/// // This is the `std::hash::Hash` trait. -/// } -/// -/// if match_path(ty_path, &["rustc", "lint", "Lint"]) { -/// // This is a `rustc_middle::lint::Lint`. -/// } -/// ``` -pub fn match_path(path: &Path<'_>, segments: &[&str]) -> bool { - path.segments - .iter() - .rev() - .zip(segments.iter().rev()) - .all(|(a, b)| a.ident.name.as_str() == *b) -} - /// If the expression is a path to a local, returns the canonical `HirId` of the local. pub fn path_to_local(expr: &Expr<'_>) -> Option<HirId> { if let ExprKind::Path(QPath::Resolved(None, path)) = expr.kind @@ -587,201 +509,6 @@ pub fn path_def_id<'tcx>(cx: &LateContext<'_>, maybe_path: &impl MaybePath<'tcx> path_res(cx, maybe_path).opt_def_id() } -fn find_primitive_impls<'tcx>(tcx: TyCtxt<'tcx>, name: &str) -> impl Iterator<Item = DefId> + 'tcx { - let ty = match name { - "bool" => SimplifiedType::Bool, - "char" => SimplifiedType::Char, - "str" => SimplifiedType::Str, - "array" => SimplifiedType::Array, - "slice" => SimplifiedType::Slice, - // FIXME: rustdoc documents these two using just `pointer`. - // - // Maybe this is something we should do here too. - "const_ptr" => SimplifiedType::Ptr(Mutability::Not), - "mut_ptr" => SimplifiedType::Ptr(Mutability::Mut), - "isize" => SimplifiedType::Int(IntTy::Isize), - "i8" => SimplifiedType::Int(IntTy::I8), - "i16" => SimplifiedType::Int(IntTy::I16), - "i32" => SimplifiedType::Int(IntTy::I32), - "i64" => SimplifiedType::Int(IntTy::I64), - "i128" => SimplifiedType::Int(IntTy::I128), - "usize" => SimplifiedType::Uint(UintTy::Usize), - "u8" => SimplifiedType::Uint(UintTy::U8), - "u16" => SimplifiedType::Uint(UintTy::U16), - "u32" => SimplifiedType::Uint(UintTy::U32), - "u64" => SimplifiedType::Uint(UintTy::U64), - "u128" => SimplifiedType::Uint(UintTy::U128), - "f32" => SimplifiedType::Float(FloatTy::F32), - "f64" => SimplifiedType::Float(FloatTy::F64), - _ => { - return [].iter().copied(); - }, - }; - - tcx.incoherent_impls(ty).iter().copied() -} - -fn non_local_item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec<Res> { - match tcx.def_kind(def_id) { - DefKind::Mod | DefKind::Enum | DefKind::Trait => tcx - .module_children(def_id) - .iter() - .filter(|item| item.ident.name == name) - .map(|child| child.res.expect_non_local()) - .collect(), - DefKind::Impl { .. } => tcx - .associated_item_def_ids(def_id) - .iter() - .copied() - .filter(|assoc_def_id| tcx.item_name(*assoc_def_id) == name) - .map(|assoc_def_id| Res::Def(tcx.def_kind(assoc_def_id), assoc_def_id)) - .collect(), - _ => Vec::new(), - } -} - -fn local_item_children_by_name(tcx: TyCtxt<'_>, local_id: LocalDefId, name: Symbol) -> Vec<Res> { - let root_mod; - let item_kind = match tcx.hir_node_by_def_id(local_id) { - Node::Crate(r#mod) => { - root_mod = ItemKind::Mod(Ident::dummy(), r#mod); - &root_mod - }, - Node::Item(item) => &item.kind, - _ => return Vec::new(), - }; - - let res = |ident: Ident, owner_id: OwnerId| { - if ident.name == name { - let def_id = owner_id.to_def_id(); - Some(Res::Def(tcx.def_kind(def_id), def_id)) - } else { - None - } - }; - - match item_kind { - ItemKind::Mod(_, r#mod) => r#mod - .item_ids - .iter() - .filter_map(|&item_id| { - let ident = tcx.hir_item(item_id).kind.ident()?; - res(ident, item_id.owner_id) - }) - .collect(), - ItemKind::Impl(r#impl) => r#impl - .items - .iter() - .filter_map(|&ImplItemRef { ident, id, .. }| res(ident, id.owner_id)) - .collect(), - ItemKind::Trait(.., trait_item_refs) => trait_item_refs - .iter() - .filter_map(|&TraitItemRef { ident, id, .. }| res(ident, id.owner_id)) - .collect(), - _ => Vec::new(), - } -} - -fn item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec<Res> { - if let Some(local_id) = def_id.as_local() { - local_item_children_by_name(tcx, local_id, name) - } else { - non_local_item_children_by_name(tcx, def_id, name) - } -} - -/// Finds the crates called `name`, may be multiple due to multiple major versions. -pub fn find_crates(tcx: TyCtxt<'_>, name: Symbol) -> Vec<Res> { - tcx.crates(()) - .iter() - .copied() - .filter(move |&num| tcx.crate_name(num) == name) - .map(CrateNum::as_def_id) - .map(|id| Res::Def(tcx.def_kind(id), id)) - .collect() -} - -/// Resolves a def path like `std::vec::Vec`. -/// -/// Can return multiple resolutions when there are multiple versions of the same crate, e.g. -/// `memchr::memchr` could return the functions from both memchr 1.0 and memchr 2.0. -/// -/// Also returns multiple results when there are multiple paths under the same name e.g. `std::vec` -/// would have both a [`DefKind::Mod`] and [`DefKind::Macro`]. -/// -/// This function is expensive and should be used sparingly. -pub fn def_path_res(tcx: TyCtxt<'_>, path: &[&str]) -> Vec<Res> { - let (base, path) = match path { - [primitive] => { - return vec![PrimTy::from_name(Symbol::intern(primitive)).map_or(Res::Err, Res::PrimTy)]; - }, - [base, path @ ..] => (base, path), - _ => return Vec::new(), - }; - - let base_sym = Symbol::intern(base); - - let local_crate = if tcx.crate_name(LOCAL_CRATE) == base_sym { - Some(LOCAL_CRATE.as_def_id()) - } else { - None - }; - - let crates = find_primitive_impls(tcx, base) - .chain(local_crate) - .map(|id| Res::Def(tcx.def_kind(id), id)) - .chain(find_crates(tcx, base_sym)) - .collect(); - - def_path_res_with_base(tcx, crates, path) -} - -/// Resolves a def path like `vec::Vec` with the base `std`. -/// -/// This is lighter than [`def_path_res`], and should be called with [`find_crates`] looking up -/// items from the same crate repeatedly, although should still be used sparingly. -pub fn def_path_res_with_base(tcx: TyCtxt<'_>, mut base: Vec<Res>, mut path: &[&str]) -> Vec<Res> { - while let [segment, rest @ ..] = path { - path = rest; - let segment = Symbol::intern(segment); - - base = base - .into_iter() - .filter_map(|res| res.opt_def_id()) - .flat_map(|def_id| { - // When the current def_id is e.g. `struct S`, check the impl items in - // `impl S { ... }` - let inherent_impl_children = tcx - .inherent_impls(def_id) - .iter() - .flat_map(|&impl_def_id| item_children_by_name(tcx, impl_def_id, segment)); - - let direct_children = item_children_by_name(tcx, def_id, segment); - - inherent_impl_children.chain(direct_children) - }) - .collect(); - } - - base -} - -/// Resolves a def path like `std::vec::Vec` to its [`DefId`]s, see [`def_path_res`]. -pub fn def_path_def_ids(tcx: TyCtxt<'_>, path: &[&str]) -> impl Iterator<Item = DefId> + use<> { - def_path_res(tcx, path).into_iter().filter_map(|res| res.opt_def_id()) -} - -/// Convenience function to get the `DefId` of a trait by path. -/// It could be a trait or trait alias. -/// -/// This function is expensive and should be used sparingly. -pub fn get_trait_def_id(tcx: TyCtxt<'_>, path: &[&str]) -> Option<DefId> { - def_path_res(tcx, path).into_iter().find_map(|res| match res { - Res::Def(DefKind::Trait | DefKind::TraitAlias, trait_id) => Some(trait_id), - _ => None, - }) -} - /// Gets the `hir::TraitRef` of the trait the given method is implemented for. /// /// Use this if you want to find the `TraitRef` of the `Add` trait in this example: @@ -2066,24 +1793,6 @@ pub fn in_automatically_derived(tcx: TyCtxt<'_>, id: HirId) -> bool { }) } -/// Checks if the given `DefId` matches any of the paths. Returns the index of matching path, if -/// any. -/// -/// Please use `tcx.get_diagnostic_name` if the targets are all diagnostic items. -pub fn match_any_def_paths(cx: &LateContext<'_>, did: DefId, paths: &[&[&str]]) -> Option<usize> { - let search_path = cx.get_def_path(did); - paths - .iter() - .position(|p| p.iter().map(|x| Symbol::intern(x)).eq(search_path.iter().copied())) -} - -/// Checks if the given `DefId` matches the path. -pub fn match_def_path(cx: &LateContext<'_>, did: DefId, syms: &[&str]) -> bool { - // We should probably move to Symbols in Clippy as well rather than interning every time. - let path = cx.get_def_path(did); - syms.iter().map(|x| Symbol::intern(x)).eq(path.iter().copied()) -} - /// Checks if the given `DefId` matches the `libc` item. pub fn match_libc_symbol(cx: &LateContext<'_>, did: DefId, name: &str) -> bool { let path = cx.get_def_path(did); diff --git a/src/tools/clippy/clippy_utils/src/msrvs.rs b/src/tools/clippy/clippy_utils/src/msrvs.rs index 226d70a57d8..599c6f3a4ff 100644 --- a/src/tools/clippy/clippy_utils/src/msrvs.rs +++ b/src/tools/clippy/clippy_utils/src/msrvs.rs @@ -23,7 +23,8 @@ macro_rules! msrv_aliases { // names may refer to stabilized feature flags or library items msrv_aliases! { - 1,87,0 { OS_STR_DISPLAY, INT_MIDPOINT } + 1,88,0 { LET_CHAINS } + 1,87,0 { OS_STR_DISPLAY, INT_MIDPOINT, CONST_CHAR_IS_DIGIT } 1,85,0 { UINT_FLOAT_MIDPOINT } 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 } @@ -39,7 +40,7 @@ msrv_aliases! { 1,70,0 { OPTION_RESULT_IS_VARIANT_AND, BINARY_HEAP_RETAIN } 1,68,0 { PATH_MAIN_SEPARATOR_STR } 1,65,0 { LET_ELSE, POINTER_CAST_CONSTNESS } - 1,63,0 { CLONE_INTO } + 1,63,0 { CLONE_INTO, CONST_SLICE_FROM_REF } 1,62,0 { BOOL_THEN_SOME, DEFAULT_ENUM_ATTRIBUTE, CONST_EXTERN_C_FN } 1,60,0 { ABS_DIFF } 1,59,0 { THREAD_LOCAL_CONST_INIT } @@ -69,7 +70,7 @@ msrv_aliases! { 1,31,0 { OPTION_REPLACE } 1,30,0 { ITERATOR_FIND_MAP, TOOL_ATTRIBUTES } 1,29,0 { ITER_FLATTEN } - 1,28,0 { FROM_BOOL, REPEAT_WITH } + 1,28,0 { FROM_BOOL, REPEAT_WITH, SLICE_FROM_REF } 1,27,0 { ITERATOR_TRY_FOLD } 1,26,0 { RANGE_INCLUSIVE, STRING_RETAIN } 1,24,0 { IS_ASCII_DIGIT } diff --git a/src/tools/clippy/clippy_utils/src/paths.rs b/src/tools/clippy/clippy_utils/src/paths.rs index 7f64ebd3b64..e5179e479cc 100644 --- a/src/tools/clippy/clippy_utils/src/paths.rs +++ b/src/tools/clippy/clippy_utils/src/paths.rs @@ -4,62 +4,343 @@ //! Whenever possible, please consider diagnostic items over hardcoded paths. //! See <https://github.com/rust-lang/rust-clippy/issues/5393> for more information. -// Paths inside rustc -pub const APPLICABILITY: [&str; 2] = ["rustc_lint_defs", "Applicability"]; -pub const APPLICABILITY_VALUES: [[&str; 3]; 4] = [ - ["rustc_lint_defs", "Applicability", "Unspecified"], - ["rustc_lint_defs", "Applicability", "HasPlaceholders"], - ["rustc_lint_defs", "Applicability", "MaybeIncorrect"], - ["rustc_lint_defs", "Applicability", "MachineApplicable"], -]; -pub const DIAG: [&str; 2] = ["rustc_errors", "Diag"]; -pub const EARLY_CONTEXT: [&str; 2] = ["rustc_lint", "EarlyContext"]; -pub const EARLY_LINT_PASS: [&str; 3] = ["rustc_lint", "passes", "EarlyLintPass"]; -pub const IDENT: [&str; 3] = ["rustc_span", "symbol", "Ident"]; -pub const IDENT_AS_STR: [&str; 4] = ["rustc_span", "symbol", "Ident", "as_str"]; -pub const KW_MODULE: [&str; 3] = ["rustc_span", "symbol", "kw"]; -pub const LATE_CONTEXT: [&str; 2] = ["rustc_lint", "LateContext"]; -pub const LINT: [&str; 2] = ["rustc_lint_defs", "Lint"]; -pub const SYMBOL: [&str; 3] = ["rustc_span", "symbol", "Symbol"]; -pub const SYMBOL_AS_STR: [&str; 4] = ["rustc_span", "symbol", "Symbol", "as_str"]; -pub const SYMBOL_TO_IDENT_STRING: [&str; 4] = ["rustc_span", "symbol", "Symbol", "to_ident_string"]; -pub const SYM_MODULE: [&str; 3] = ["rustc_span", "symbol", "sym"]; -pub const SYNTAX_CONTEXT: [&str; 3] = ["rustc_span", "hygiene", "SyntaxContext"]; +use crate::{MaybePath, path_def_id, sym}; +use rustc_ast::Mutability; +use rustc_data_structures::fx::FxHashMap; +use rustc_hir::def::Namespace::{MacroNS, TypeNS, ValueNS}; +use rustc_hir::def::{DefKind, Namespace, Res}; +use rustc_hir::def_id::{DefId, LOCAL_CRATE, LocalDefId}; +use rustc_hir::{ImplItemRef, ItemKind, Node, OwnerId, TraitItemRef, UseKind}; +use rustc_lint::LateContext; +use rustc_middle::ty::fast_reject::SimplifiedType; +use rustc_middle::ty::{FloatTy, IntTy, Ty, TyCtxt, UintTy}; +use rustc_span::{Ident, STDLIB_STABLE_CRATES, Symbol}; +use std::sync::OnceLock; -// Paths in `core`/`alloc`/`std`. This should be avoided and cleaned up by adding diagnostic items. -pub const CHAR_IS_ASCII: [&str; 5] = ["core", "char", "methods", "<impl char>", "is_ascii"]; -pub const IO_ERROR_NEW: [&str; 5] = ["std", "io", "error", "Error", "new"]; -pub const IO_ERRORKIND_OTHER: [&str; 5] = ["std", "io", "error", "ErrorKind", "Other"]; -pub const ALIGN_OF: [&str; 3] = ["core", "mem", "align_of"]; +/// Specifies whether to resolve a path in the [`TypeNS`], [`ValueNS`], [`MacroNS`] or in an +/// arbitrary namespace +#[derive(Clone, Copy, PartialEq, Debug)] +pub enum PathNS { + Type, + Value, + Macro, + + /// Resolves to the name in the first available namespace, e.g. for `std::vec` this would return + /// either the macro or the module but **not** both + /// + /// Must only be used when the specific resolution is unimportant such as in + /// `missing_enforced_import_renames` + Arbitrary, +} + +impl PathNS { + fn matches(self, ns: Option<Namespace>) -> bool { + let required = match self { + PathNS::Type => TypeNS, + PathNS::Value => ValueNS, + PathNS::Macro => MacroNS, + PathNS::Arbitrary => return true, + }; + + ns == Some(required) + } +} + +/// Lazily resolves a path into a list of [`DefId`]s using [`lookup_path`]. +/// +/// Typically it will contain one [`DefId`] or none, but in some situations there can be multiple: +/// - `memchr::memchr` could return the functions from both memchr 1.0 and memchr 2.0 +/// - `alloc::boxed::Box::downcast` would return a function for each of the different inherent impls +/// ([1], [2], [3]) +/// +/// [1]: https://doc.rust-lang.org/std/boxed/struct.Box.html#method.downcast +/// [2]: https://doc.rust-lang.org/std/boxed/struct.Box.html#method.downcast-1 +/// [3]: https://doc.rust-lang.org/std/boxed/struct.Box.html#method.downcast-2 +pub struct PathLookup { + ns: PathNS, + path: &'static [Symbol], + once: OnceLock<Vec<DefId>>, +} + +impl PathLookup { + /// Only exported for tests and `clippy_lints_internal` + #[doc(hidden)] + pub const fn new(ns: PathNS, path: &'static [Symbol]) -> Self { + Self { + ns, + path, + once: OnceLock::new(), + } + } + + /// Returns the list of [`DefId`]s that the path resolves to + pub fn get(&self, cx: &LateContext<'_>) -> &[DefId] { + self.once.get_or_init(|| lookup_path(cx.tcx, self.ns, self.path)) + } -// Paths in clippy itself -pub const MSRV_STACK: [&str; 3] = ["clippy_utils", "msrvs", "MsrvStack"]; -pub const CLIPPY_SYM_MODULE: [&str; 2] = ["clippy_utils", "sym"]; + /// Returns the single [`DefId`] that the path resolves to, this can only be used for paths into + /// stdlib crates to avoid the issue of multiple [`DefId`]s being returned + /// + /// May return [`None`] in `no_std`/`no_core` environments + pub fn only(&self, cx: &LateContext<'_>) -> Option<DefId> { + let ids = self.get(cx); + debug_assert!(STDLIB_STABLE_CRATES.contains(&self.path[0])); + debug_assert!(ids.len() <= 1, "{ids:?}"); + ids.first().copied() + } + + /// Checks if the path resolves to the given `def_id` + pub fn matches(&self, cx: &LateContext<'_>, def_id: DefId) -> bool { + self.get(cx).contains(&def_id) + } + + /// Resolves `maybe_path` to a [`DefId`] and checks if the [`PathLookup`] matches it + pub fn matches_path<'tcx>(&self, cx: &LateContext<'_>, maybe_path: &impl MaybePath<'tcx>) -> bool { + path_def_id(cx, maybe_path).is_some_and(|def_id| self.matches(cx, def_id)) + } + + /// Checks if the path resolves to `ty`'s definition, must be an `Adt` + pub fn matches_ty(&self, cx: &LateContext<'_>, ty: Ty<'_>) -> bool { + ty.ty_adt_def().is_some_and(|adt| self.matches(cx, adt.did())) + } +} + +macro_rules! path_macros { + ($($name:ident: $ns:expr,)*) => { + $( + /// Only exported for tests and `clippy_lints_internal` + #[doc(hidden)] + #[macro_export] + macro_rules! $name { + ($$($$seg:ident $$(::)?)*) => { + PathLookup::new($ns, &[$$(sym::$$seg,)*]) + }; + } + )* + }; +} + +path_macros! { + type_path: PathNS::Type, + value_path: PathNS::Value, + macro_path: PathNS::Macro, +} + +// 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 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); +pub static SLICE_FROM_REF: PathLookup = value_path!(core::slice::from_ref); // Paths in external crates -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const FUTURES_IO_ASYNCREADEXT: [&str; 3] = ["futures_util", "io", "AsyncReadExt"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const FUTURES_IO_ASYNCWRITEEXT: [&str; 3] = ["futures_util", "io", "AsyncWriteExt"]; -pub const ITERTOOLS_NEXT_TUPLE: [&str; 3] = ["itertools", "Itertools", "next_tuple"]; -pub const PARKING_LOT_MUTEX_GUARD: [&str; 3] = ["lock_api", "mutex", "MutexGuard"]; -pub const PARKING_LOT_RWLOCK_READ_GUARD: [&str; 3] = ["lock_api", "rwlock", "RwLockReadGuard"]; -pub const PARKING_LOT_RWLOCK_WRITE_GUARD: [&str; 3] = ["lock_api", "rwlock", "RwLockWriteGuard"]; -pub const REGEX_BUILDER_NEW: [&str; 3] = ["regex", "RegexBuilder", "new"]; -pub const REGEX_BYTES_BUILDER_NEW: [&str; 4] = ["regex", "bytes", "RegexBuilder", "new"]; -pub const REGEX_BYTES_NEW: [&str; 4] = ["regex", "bytes", "Regex", "new"]; -pub const REGEX_BYTES_SET_NEW: [&str; 4] = ["regex", "bytes", "RegexSet", "new"]; -pub const REGEX_NEW: [&str; 3] = ["regex", "Regex", "new"]; -pub const REGEX_SET_NEW: [&str; 3] = ["regex", "RegexSet", "new"]; -pub const SERDE_DESERIALIZE: [&str; 3] = ["serde", "de", "Deserialize"]; -pub const SERDE_DE_VISITOR: [&str; 3] = ["serde", "de", "Visitor"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const TOKIO_FILE_OPTIONS: [&str; 5] = ["tokio", "fs", "file", "File", "options"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const TOKIO_IO_ASYNCREADEXT: [&str; 5] = ["tokio", "io", "util", "async_read_ext", "AsyncReadExt"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const TOKIO_IO_ASYNCWRITEEXT: [&str; 5] = ["tokio", "io", "util", "async_write_ext", "AsyncWriteExt"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const TOKIO_IO_OPEN_OPTIONS: [&str; 4] = ["tokio", "fs", "open_options", "OpenOptions"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates -pub const TOKIO_IO_OPEN_OPTIONS_NEW: [&str; 5] = ["tokio", "fs", "open_options", "OpenOptions", "new"]; +pub static FUTURES_IO_ASYNCREADEXT: PathLookup = type_path!(futures_util::AsyncReadExt); +pub static FUTURES_IO_ASYNCWRITEEXT: PathLookup = type_path!(futures_util::AsyncWriteExt); +pub static ITERTOOLS_NEXT_TUPLE: PathLookup = value_path!(itertools::Itertools::next_tuple); +pub static PARKING_LOT_GUARDS: [PathLookup; 3] = [ + type_path!(lock_api::mutex::MutexGuard), + type_path!(lock_api::rwlock::RwLockReadGuard), + type_path!(lock_api::rwlock::RwLockWriteGuard), +]; +pub static REGEX_BUILDER_NEW: PathLookup = value_path!(regex::RegexBuilder::new); +pub static REGEX_BYTES_BUILDER_NEW: PathLookup = value_path!(regex::bytes::RegexBuilder::new); +pub static REGEX_BYTES_NEW: PathLookup = value_path!(regex::bytes::Regex::new); +pub static REGEX_BYTES_SET_NEW: PathLookup = value_path!(regex::bytes::RegexSet::new); +pub static REGEX_NEW: PathLookup = value_path!(regex::Regex::new); +pub static REGEX_SET_NEW: PathLookup = value_path!(regex::RegexSet::new); +pub static SERDE_DESERIALIZE: PathLookup = type_path!(serde::de::Deserialize); +pub static SERDE_DE_VISITOR: PathLookup = type_path!(serde::de::Visitor); +pub static TOKIO_FILE_OPTIONS: PathLookup = value_path!(tokio::fs::File::options); +pub static TOKIO_IO_ASYNCREADEXT: PathLookup = type_path!(tokio::io::AsyncReadExt); +pub static TOKIO_IO_ASYNCWRITEEXT: PathLookup = type_path!(tokio::io::AsyncWriteExt); +pub static TOKIO_IO_OPEN_OPTIONS: PathLookup = type_path!(tokio::fs::OpenOptions); +pub static TOKIO_IO_OPEN_OPTIONS_NEW: PathLookup = value_path!(tokio::fs::OpenOptions::new); +pub static LAZY_STATIC: PathLookup = macro_path!(lazy_static::lazy_static); +pub static ONCE_CELL_SYNC_LAZY: PathLookup = type_path!(once_cell::sync::Lazy); +pub static ONCE_CELL_SYNC_LAZY_NEW: PathLookup = value_path!(once_cell::sync::Lazy::new); + +// Paths for internal lints go in `clippy_lints_internal/src/internal_paths.rs` + +/// Equivalent to a [`lookup_path`] after splitting the input string on `::` +/// +/// This function is expensive and should be used sparingly. +pub fn lookup_path_str(tcx: TyCtxt<'_>, ns: PathNS, path: &str) -> Vec<DefId> { + let path: Vec<Symbol> = path.split("::").map(Symbol::intern).collect(); + lookup_path(tcx, ns, &path) +} + +/// Resolves a def path like `std::vec::Vec`. +/// +/// Typically it will return one [`DefId`] or none, but in some situations there can be multiple: +/// - `memchr::memchr` could return the functions from both memchr 1.0 and memchr 2.0 +/// - `alloc::boxed::Box::downcast` would return a function for each of the different inherent impls +/// ([1], [2], [3]) +/// +/// This function is expensive and should be used sparingly. +/// +/// [1]: https://doc.rust-lang.org/std/boxed/struct.Box.html#method.downcast +/// [2]: https://doc.rust-lang.org/std/boxed/struct.Box.html#method.downcast-1 +/// [3]: https://doc.rust-lang.org/std/boxed/struct.Box.html#method.downcast-2 +pub fn lookup_path(tcx: TyCtxt<'_>, ns: PathNS, path: &[Symbol]) -> Vec<DefId> { + let (root, rest) = match *path { + [] | [_] => return Vec::new(), + [root, ref rest @ ..] => (root, rest), + }; + + let mut out = Vec::new(); + for &base in find_crates(tcx, root).iter().chain(find_primitive_impls(tcx, root)) { + lookup_with_base(tcx, base, ns, rest, &mut out); + } + out +} + +/// Finds the crates called `name`, may be multiple due to multiple major versions. +pub fn find_crates(tcx: TyCtxt<'_>, name: Symbol) -> &'static [DefId] { + static BY_NAME: OnceLock<FxHashMap<Symbol, Vec<DefId>>> = OnceLock::new(); + let map = BY_NAME.get_or_init(|| { + let mut map = FxHashMap::default(); + map.insert(tcx.crate_name(LOCAL_CRATE), vec![LOCAL_CRATE.as_def_id()]); + for &num in tcx.crates(()) { + map.entry(tcx.crate_name(num)).or_default().push(num.as_def_id()); + } + map + }); + match map.get(&name) { + Some(def_ids) => def_ids, + None => &[], + } +} + +fn find_primitive_impls(tcx: TyCtxt<'_>, name: Symbol) -> &[DefId] { + let ty = match name { + sym::bool => SimplifiedType::Bool, + sym::char => SimplifiedType::Char, + sym::str => SimplifiedType::Str, + sym::array => SimplifiedType::Array, + sym::slice => SimplifiedType::Slice, + // FIXME: rustdoc documents these two using just `pointer`. + // + // Maybe this is something we should do here too. + sym::const_ptr => SimplifiedType::Ptr(Mutability::Not), + sym::mut_ptr => SimplifiedType::Ptr(Mutability::Mut), + sym::isize => SimplifiedType::Int(IntTy::Isize), + sym::i8 => SimplifiedType::Int(IntTy::I8), + sym::i16 => SimplifiedType::Int(IntTy::I16), + sym::i32 => SimplifiedType::Int(IntTy::I32), + sym::i64 => SimplifiedType::Int(IntTy::I64), + sym::i128 => SimplifiedType::Int(IntTy::I128), + sym::usize => SimplifiedType::Uint(UintTy::Usize), + sym::u8 => SimplifiedType::Uint(UintTy::U8), + sym::u16 => SimplifiedType::Uint(UintTy::U16), + sym::u32 => SimplifiedType::Uint(UintTy::U32), + sym::u64 => SimplifiedType::Uint(UintTy::U64), + sym::u128 => SimplifiedType::Uint(UintTy::U128), + sym::f32 => SimplifiedType::Float(FloatTy::F32), + sym::f64 => SimplifiedType::Float(FloatTy::F64), + _ => return &[], + }; + + tcx.incoherent_impls(ty) +} + +/// Resolves a def path like `vec::Vec` with the base `std`. +fn lookup_with_base(tcx: TyCtxt<'_>, mut base: DefId, ns: PathNS, mut path: &[Symbol], out: &mut Vec<DefId>) { + loop { + match *path { + [segment] => { + out.extend(item_child_by_name(tcx, base, ns, segment)); + + // When the current def_id is e.g. `struct S`, check the impl items in + // `impl S { ... }` + let inherent_impl_children = tcx + .inherent_impls(base) + .iter() + .filter_map(|&impl_def_id| item_child_by_name(tcx, impl_def_id, ns, segment)); + out.extend(inherent_impl_children); + + return; + }, + [segment, ref rest @ ..] => { + path = rest; + let Some(child) = item_child_by_name(tcx, base, PathNS::Type, segment) else { + return; + }; + base = child; + }, + [] => unreachable!(), + } + } +} + +fn item_child_by_name(tcx: TyCtxt<'_>, def_id: DefId, ns: PathNS, name: Symbol) -> Option<DefId> { + if let Some(local_id) = def_id.as_local() { + local_item_child_by_name(tcx, local_id, ns, name) + } else { + non_local_item_child_by_name(tcx, def_id, ns, name) + } +} + +fn local_item_child_by_name(tcx: TyCtxt<'_>, local_id: LocalDefId, ns: PathNS, name: Symbol) -> Option<DefId> { + let root_mod; + let item_kind = match tcx.hir_node_by_def_id(local_id) { + Node::Crate(r#mod) => { + root_mod = ItemKind::Mod(Ident::dummy(), r#mod); + &root_mod + }, + Node::Item(item) => &item.kind, + _ => return None, + }; + + let res = |ident: Ident, owner_id: OwnerId| { + if ident.name == name && ns.matches(tcx.def_kind(owner_id).ns()) { + Some(owner_id.to_def_id()) + } else { + None + } + }; + + match item_kind { + ItemKind::Mod(_, r#mod) => r#mod.item_ids.iter().find_map(|&item_id| { + let item = tcx.hir_item(item_id); + if let ItemKind::Use(path, UseKind::Single(ident)) = item.kind { + if ident.name == name { + path.res + .iter() + .find(|res| ns.matches(res.ns())) + .and_then(Res::opt_def_id) + } else { + None + } + } else { + res(item.kind.ident()?, item_id.owner_id) + } + }), + ItemKind::Impl(r#impl) => r#impl + .items + .iter() + .find_map(|&ImplItemRef { ident, id, .. }| res(ident, id.owner_id)), + ItemKind::Trait(.., trait_item_refs) => trait_item_refs + .iter() + .find_map(|&TraitItemRef { ident, id, .. }| res(ident, id.owner_id)), + _ => None, + } +} + +fn non_local_item_child_by_name(tcx: TyCtxt<'_>, def_id: DefId, ns: PathNS, name: Symbol) -> Option<DefId> { + match tcx.def_kind(def_id) { + DefKind::Mod | DefKind::Enum | DefKind::Trait => tcx.module_children(def_id).iter().find_map(|child| { + if child.ident.name == name && ns.matches(child.res.ns()) { + child.res.opt_def_id() + } else { + None + } + }), + DefKind::Impl { .. } => tcx + .associated_item_def_ids(def_id) + .iter() + .copied() + .find(|assoc_def_id| tcx.item_name(*assoc_def_id) == name && ns.matches(tcx.def_kind(assoc_def_id).ns())), + _ => None, + } +} diff --git a/src/tools/clippy/clippy_utils/src/sym.rs b/src/tools/clippy/clippy_utils/src/sym.rs index 38f077134c0..9428262b99a 100644 --- a/src/tools/clippy/clippy_utils/src/sym.rs +++ b/src/tools/clippy/clippy_utils/src/sym.rs @@ -1,6 +1,6 @@ #![allow(non_upper_case_globals)] -use rustc_span::symbol::{PREDEFINED_SYMBOLS_COUNT, Symbol}; +use rustc_span::symbol::PREDEFINED_SYMBOLS_COUNT; #[doc(no_inline)] pub use rustc_span::sym::*; @@ -24,90 +24,177 @@ macro_rules! generate { ]; $( - pub const $name: Symbol = Symbol::new(PREDEFINED_SYMBOLS_COUNT + ${index()}); + pub const $name: rustc_span::Symbol = rustc_span::Symbol::new(PREDEFINED_SYMBOLS_COUNT + ${index()}); )* }; } generate! { abs, + align_of, + ambiguous_glob_reexports, as_bytes, as_deref_mut, as_deref, as_mut, + AsyncReadExt, + AsyncWriteExt, + BACKSLASH_SINGLE_QUOTE: r"\'", Binary, build_hasher, + bytes, cargo_clippy: "cargo-clippy", Cargo_toml: "Cargo.toml", cast, chars, CLIPPY_ARGS, CLIPPY_CONF_DIR, + clippy_utils, clone_into, cloned, collect, + const_ptr, contains, copied, CRLF: "\r\n", Current, + de, + Deserialize, + diagnostics, + disallowed_types, + DOUBLE_QUOTE: "\"", + EarlyLintPass, ends_with, + enum_glob_use, + error, + ErrorKind, exp, extend, finish_non_exhaustive, finish, flat_map, for_each, + from_bytes_with_nul_unchecked, + from_bytes_with_nul, + from_ptr, from_raw, + from_ref, from_str_radix, + fs, + futures_util, get, + hidden_glob_reexports, + hygiene, insert, int_roundings, into_bytes, into_owned, IntoIter, + io, is_ascii, is_empty, is_err, is_none, is_ok, is_some, + itertools, + Itertools, + kw, last, + lazy_static, + Lazy, LF: "\n", + Lint, + ln, + lock_api, + log, LowerExp, LowerHex, + macro_use_imports, + map_or_else, + map_or, max, + MAX, + mem, min, + MIN, mode, + module_name_repetitions, msrv, + msrvs, + MsrvStack, + mut_ptr, + mutex, + needless_return, + next_tuple, Octal, + once_cell, + OpenOptions, or_default, + Other, parse, + PathLookup, + paths, + powf, + powi, push, + redundant_pub_crate, regex, + Regex, + RegexBuilder, + RegexSet, reserve, resize, restriction, + rustc_lint_defs, + rustc_lint, + rustc_span, rustfmt_skip, + rwlock, + serde, set_len, set_mode, set_readonly, signum, + single_component_path_imports, + span_lint_and_then, split_whitespace, split, + sqrt, Start, + Step, + style, + symbol, + Symbol, + SyntaxContext, take, TBD, then_some, + to_ascii_lowercase, + to_ascii_uppercase, to_digit, + to_lowercase, to_owned, + to_uppercase, + tokio, + unreachable_pub, + unsafe_removed_from_name, + unused_braces, unused_extern_crates, + unused_import_braces, + unused_trait_names, + unused, unwrap_err, unwrap_or_default, + unwrap_or_else, UpperExp, UpperHex, V4, V6, + Visitor, + warnings, Weak, + wildcard_imports, with_capacity, wrapping_offset, } diff --git a/src/tools/clippy/clippy_utils/src/ty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/mod.rs index da09edd7f7c..26d41cfb497 100644 --- a/src/tools/clippy/clippy_utils/src/ty/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ty/mod.rs @@ -20,7 +20,7 @@ use rustc_middle::traits::EvaluationResult; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocItem, AssocTag, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, GenericArgsRef, - GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, TraitRef, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, + GenericParamDefKind, IntTy, Region, RegionKind, TraitRef, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, Upcast, VariantDef, VariantDiscr, }; use rustc_span::symbol::Ident; @@ -32,7 +32,8 @@ use std::assert_matches::debug_assert_matches; use std::collections::hash_map::Entry; use std::iter; -use crate::{def_path_def_ids, match_def_path, path_res}; +use crate::path_res; +use crate::paths::{PathNS, lookup_path_str}; mod type_certainty; pub use type_certainty::expr_type_is_certain; @@ -229,9 +230,7 @@ pub fn has_iter_method(cx: &LateContext<'_>, probably_ref_ty: Ty<'_>) -> Option< /// Checks whether a type implements a trait. /// The function returns false in case the type contains an inference variable. /// -/// See: -/// * [`get_trait_def_id`](super::get_trait_def_id) to get a trait [`DefId`]. -/// * [Common tools for writing lints] for an example how to use this function and other options. +/// See [Common tools for writing lints] for an example how to use this function and other options. /// /// [Common tools for writing lints]: https://github.com/rust-lang/rust-clippy/blob/master/book/src/development/common_tools_writing_lints.md#checking-if-a-type-implements-a-specific-trait pub fn implements_trait<'tcx>( @@ -359,56 +358,6 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { } } -// FIXME: Per https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/infer/at/struct.At.html#method.normalize -// this function can be removed once the `normalize` method does not panic when normalization does -// not succeed -/// Checks if `Ty` is normalizable. This function is useful -/// to avoid crashes on `layout_of`. -pub fn is_normalizable<'tcx>(cx: &LateContext<'tcx>, param_env: ParamEnv<'tcx>, ty: Ty<'tcx>) -> bool { - is_normalizable_helper(cx, param_env, ty, 0, &mut FxHashMap::default()) -} - -fn is_normalizable_helper<'tcx>( - cx: &LateContext<'tcx>, - param_env: ParamEnv<'tcx>, - ty: Ty<'tcx>, - depth: usize, - cache: &mut FxHashMap<Ty<'tcx>, bool>, -) -> bool { - if let Some(&cached_result) = cache.get(&ty) { - return cached_result; - } - if !cx.tcx.recursion_limit().value_within_limit(depth) { - return false; - } - // Prevent recursive loops by answering `true` to recursive requests with the same - // type. This will be adjusted when the outermost call analyzes all the type - // components. - cache.insert(ty, true); - let infcx = cx.tcx.infer_ctxt().build(cx.typing_mode()); - let cause = ObligationCause::dummy(); - let result = if infcx.at(&cause, param_env).query_normalize(ty).is_ok() { - match ty.kind() { - ty::Adt(def, args) => def.variants().iter().all(|variant| { - variant - .fields - .iter() - .all(|field| is_normalizable_helper(cx, param_env, field.ty(cx.tcx, args), depth + 1, cache)) - }), - _ => ty.walk().all(|generic_arg| match generic_arg.unpack() { - GenericArgKind::Type(inner_ty) if inner_ty != ty => { - is_normalizable_helper(cx, param_env, inner_ty, depth + 1, cache) - }, - _ => true, // if inner_ty == ty, we've already checked it - }), - } - } else { - false - }; - cache.insert(ty, result); - result -} - /// Returns `true` if the given type is a non aggregate primitive (a `bool` or `char`, any /// integer or floating-point number type). /// @@ -474,17 +423,6 @@ pub fn is_isize_or_usize(typ: Ty<'_>) -> bool { matches!(typ.kind(), ty::Int(IntTy::Isize) | ty::Uint(UintTy::Usize)) } -/// Checks if type is struct, enum or union type with the given def path. -/// -/// If the type is a diagnostic item, use `is_type_diagnostic_item` instead. -/// If you change the signature, remember to update the internal lint `MatchTypeOnDiagItem` -pub fn match_type(cx: &LateContext<'_>, ty: Ty<'_>, path: &[&str]) -> bool { - match ty.kind() { - ty::Adt(adt, _) => match_def_path(cx, adt.did(), path), - _ => false, - } -} - /// Checks if the drop order for a type matters. /// /// Some std types implement drop solely to deallocate memory. For these types, and composites @@ -993,9 +931,6 @@ pub fn adt_and_variant_of_res<'tcx>(cx: &LateContext<'tcx>, res: Res) -> Option< /// account the layout of type parameters. pub fn approx_ty_size<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> u64 { use rustc_middle::ty::layout::LayoutOf; - if !is_normalizable(cx, cx.param_env, ty) { - return 0; - } match (cx.layout_of(ty).map(|layout| layout.size.bytes()), ty.kind()) { (Ok(size), _) => size, (Err(_), ty::Tuple(list)) => list.iter().map(|t| approx_ty_size(cx, t)).sum(), @@ -1184,10 +1119,7 @@ impl<'tcx> InteriorMut<'tcx> { pub fn new(tcx: TyCtxt<'tcx>, ignore_interior_mutability: &[String]) -> Self { let ignored_def_ids = ignore_interior_mutability .iter() - .flat_map(|ignored_ty| { - let path: Vec<&str> = ignored_ty.split("::").collect(); - def_path_def_ids(tcx, path.as_slice()) - }) + .flat_map(|ignored_ty| lookup_path_str(tcx, PathNS::Type, ignored_ty)) .collect(); Self { @@ -1422,3 +1354,10 @@ pub fn has_non_owning_mutable_access<'tcx>(cx: &LateContext<'tcx>, iter_ty: Ty<' let mut phantoms = FxHashSet::default(); has_non_owning_mutable_access_inner(cx, &mut phantoms, iter_ty) } + +/// Check if `ty` is slice-like, i.e., `&[T]`, `[T; N]`, or `Vec<T>`. +pub fn is_slice_like<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + ty.is_slice() + || ty.is_array() + || matches!(ty.kind(), ty::Adt(adt_def, _) if cx.tcx.is_diagnostic_item(sym::Vec, adt_def.did())) +} 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 3398ff8af2f..6e358662327 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 @@ -11,14 +11,14 @@ //! As a heuristic, `expr_type_is_certain` may produce false negatives, but a false positive should //! be considered a bug. -use crate::def_path_res; +use crate::paths::{PathNS, lookup_path}; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{InferKind, Visitor, VisitorExt, walk_qpath, walk_ty}; use rustc_hir::{self as hir, AmbigArg, Expr, ExprKind, GenericArgs, HirId, Node, PathSegment, QPath, TyKind}; use rustc_lint::LateContext; use rustc_middle::ty::{self, AdtDef, GenericArgKind, Ty}; -use rustc_span::{Span, Symbol}; +use rustc_span::Span; mod certainty; use certainty::{Certainty, Meet, join, meet}; @@ -194,7 +194,7 @@ fn path_segment_certainty( path_segment: &PathSegment<'_>, resolves_to_type: bool, ) -> Certainty { - let certainty = match update_res(cx, parent_certainty, path_segment).unwrap_or(path_segment.res) { + let certainty = match update_res(cx, parent_certainty, path_segment, resolves_to_type).unwrap_or(path_segment.res) { // A definition's type is certain if it refers to something without generics (e.g., a crate or module, or // an unparameterized type), or the generics are instantiated with arguments that are certain. // @@ -267,17 +267,24 @@ fn path_segment_certainty( /// For at least some `QPath::TypeRelative`, the path segment's `res` can be `Res::Err`. /// `update_res` tries to fix the resolution when `parent_certainty` is `Certain(Some(..))`. -fn update_res(cx: &LateContext<'_>, parent_certainty: Certainty, path_segment: &PathSegment<'_>) -> Option<Res> { +fn update_res( + cx: &LateContext<'_>, + parent_certainty: Certainty, + path_segment: &PathSegment<'_>, + resolves_to_type: bool, +) -> Option<Res> { if path_segment.res == Res::Err && let Some(def_id) = parent_certainty.to_def_id() { let mut def_path = cx.get_def_path(def_id); def_path.push(path_segment.ident.name); - let reses = def_path_res(cx.tcx, &def_path.iter().map(Symbol::as_str).collect::<Vec<_>>()); - if let [res] = reses.as_slice() { Some(*res) } else { None } - } else { - None + let ns = if resolves_to_type { PathNS::Type } else { PathNS::Value }; + if let &[id] = lookup_path(cx.tcx, ns, &def_path).as_slice() { + return Some(Res::Def(cx.tcx.def_kind(id), id)); + } } + + None } #[allow(clippy::cast_possible_truncation)] diff --git a/src/tools/clippy/lintcheck/src/main.rs b/src/tools/clippy/lintcheck/src/main.rs index fe488ef89da..d4bf6cd48a1 100644 --- a/src/tools/clippy/lintcheck/src/main.rs +++ b/src/tools/clippy/lintcheck/src/main.rs @@ -6,7 +6,6 @@ // positives. #![feature(iter_collect_into)] -#![feature(let_chains)] #![warn( trivial_casts, trivial_numeric_casts, diff --git a/src/tools/clippy/rust-toolchain.toml b/src/tools/clippy/rust-toolchain.toml index 39c7f0e4ad5..da41bdd27bc 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-2025-05-01" +channel = "nightly-2025-05-14" # end autogenerated nightly components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] profile = "minimal" diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index 87ca9c5bedd..f8acf88cf81 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -1,7 +1,6 @@ #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] #![feature(rustc_private)] -#![feature(let_chains)] // warn on lints, that are included in `rust-lang/rust`s bootstrap #![warn(rust_2018_idioms, unused_lifetimes)] // warn on rustc internal lints diff --git a/src/tools/clippy/tests/compile-test.rs b/src/tools/clippy/tests/compile-test.rs index 6d391bd622a..78b27e2f613 100644 --- a/src/tools/clippy/tests/compile-test.rs +++ b/src/tools/clippy/tests/compile-test.rs @@ -1,4 +1,4 @@ -#![feature(rustc_private, let_chains)] +#![feature(rustc_private)] #![warn(rust_2018_idioms, unused_lifetimes)] #![allow(unused_extern_crates)] diff --git a/src/tools/clippy/tests/dogfood.rs b/src/tools/clippy/tests/dogfood.rs index 16a1a415102..4ac2bd53285 100644 --- a/src/tools/clippy/tests/dogfood.rs +++ b/src/tools/clippy/tests/dogfood.rs @@ -44,8 +44,8 @@ fn dogfood() { "rustc_tools_util", ] { println!("linting {package}"); - if !run_clippy_for_package(package, &["-D", "clippy::all", "-D", "clippy::pedantic"]) { - failed_packages.push(if package.is_empty() { "root" } else { package }); + if !run_clippy_for_package(package) { + failed_packages.push(package); } } @@ -57,7 +57,7 @@ fn dogfood() { } #[must_use] -fn run_clippy_for_package(project: &str, args: &[&str]) -> bool { +fn run_clippy_for_package(project: &str) -> bool { let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR")); let mut command = Command::new(&*test_utils::CARGO_CLIPPY_PATH); @@ -79,15 +79,17 @@ fn run_clippy_for_package(project: &str, args: &[&str]) -> bool { } } - command.arg("--").args(args); + command.arg("--"); command.arg("-Cdebuginfo=0"); // disable debuginfo to generate less data in the target dir - command.args(["-D", "clippy::dbg_macro"]); - + command.args(["-D", "clippy::all", "-D", "clippy::pedantic", "-D", "clippy::dbg_macro"]); if !cfg!(feature = "internal") { // running a clippy built without internal lints on the clippy source - // that contains e.g. `allow(clippy::invalid_paths)` + // that contains e.g. `allow(clippy::symbol_as_str)` command.args(["-A", "unknown_lints"]); } + // Workaround for not being a workspace, add the crate's directory back to the path + command.args(["--remap-path-prefix", &format!("={project}")]); + command.status().unwrap().success() } diff --git a/src/tools/clippy/tests/integration.rs b/src/tools/clippy/tests/integration.rs index 13cf36823c5..cb7d61eee24 100644 --- a/src/tools/clippy/tests/integration.rs +++ b/src/tools/clippy/tests/integration.rs @@ -30,7 +30,7 @@ fn integration_test() { let repo_dir = tempfile::tempdir() .expect("couldn't create temp dir") - .into_path() + .keep() .join(crate_name); let st = Command::new("git") diff --git a/src/tools/clippy/tests/ui-internal/auxiliary/paths.rs b/src/tools/clippy/tests/ui-internal/auxiliary/paths.rs deleted file mode 100644 index f730f564a09..00000000000 --- a/src/tools/clippy/tests/ui-internal/auxiliary/paths.rs +++ /dev/null @@ -1,4 +0,0 @@ -#![allow(clippy::unnecessary_def_path)] - -pub static OPTION: [&str; 3] = ["core", "option", "Option"]; -pub const RESULT: &[&str] = &["core", "result", "Result"]; diff --git a/src/tools/clippy/tests/ui-internal/derive_deserialize_allowing_unknown.rs b/src/tools/clippy/tests/ui-internal/derive_deserialize_allowing_unknown.rs new file mode 100644 index 00000000000..9dc8e9e8f4c --- /dev/null +++ b/src/tools/clippy/tests/ui-internal/derive_deserialize_allowing_unknown.rs @@ -0,0 +1,60 @@ +#![deny(clippy::derive_deserialize_allowing_unknown)] + +use serde::{Deserialize, Deserializer}; + +#[derive(Deserialize)] //~ derive_deserialize_allowing_unknown +struct Struct { + flag: bool, + limit: u64, +} + +#[derive(Deserialize)] //~ derive_deserialize_allowing_unknown +enum Enum { + A(bool), + B { limit: u64 }, +} + +// negative tests + +#[derive(Deserialize)] +#[serde(deny_unknown_fields)] +struct StructWithDenyUnknownFields { + flag: bool, + limit: u64, +} + +#[derive(Deserialize)] +#[serde(deny_unknown_fields)] +enum EnumWithDenyUnknownFields { + A(bool), + B { limit: u64 }, +} + +#[derive(Deserialize)] +#[serde(untagged, deny_unknown_fields)] +enum MultipleSerdeAttributes { + A(bool), + B { limit: u64 }, +} + +#[derive(Deserialize)] +struct TupleStruct(u64, bool); + +#[derive(Deserialize)] +#[serde(deny_unknown_fields)] +enum EnumWithOnlyTupleVariants { + A(bool), + B(u64), +} + +struct ManualSerdeImplementation; + +impl<'de> Deserialize<'de> for ManualSerdeImplementation { + fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> + where + D: Deserializer<'de>, + { + let () = <() as Deserialize>::deserialize(deserializer)?; + Ok(ManualSerdeImplementation) + } +} diff --git a/src/tools/clippy/tests/ui-internal/derive_deserialize_allowing_unknown.stderr b/src/tools/clippy/tests/ui-internal/derive_deserialize_allowing_unknown.stderr new file mode 100644 index 00000000000..93d64826c99 --- /dev/null +++ b/src/tools/clippy/tests/ui-internal/derive_deserialize_allowing_unknown.stderr @@ -0,0 +1,23 @@ +error: `#[derive(serde::Deserialize)]` without `#[serde(deny_unknown_fields)]` + --> tests/ui-internal/derive_deserialize_allowing_unknown.rs:5:10 + | +LL | #[derive(Deserialize)] + | ^^^^^^^^^^^ + | +note: the lint level is defined here + --> tests/ui-internal/derive_deserialize_allowing_unknown.rs:1:9 + | +LL | #![deny(clippy::derive_deserialize_allowing_unknown)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: `#[derive(serde::Deserialize)]` without `#[serde(deny_unknown_fields)]` + --> tests/ui-internal/derive_deserialize_allowing_unknown.rs:11:10 + | +LL | #[derive(Deserialize)] + | ^^^^^^^^^^^ + | + = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 2 previous errors + diff --git a/src/tools/clippy/tests/ui-internal/interning_literals.stderr b/src/tools/clippy/tests/ui-internal/interning_literals.stderr index 628b97eff84..9ff4194e542 100644 --- a/src/tools/clippy/tests/ui-internal/interning_literals.stderr +++ b/src/tools/clippy/tests/ui-internal/interning_literals.stderr @@ -4,9 +4,10 @@ error: interning a string literal LL | let _ = Symbol::intern("f32"); | ^^^^^^^^^^^^^^^^^^^^^ | + = help: add the symbol to `clippy_utils/src/sym.rs` if needed = note: `-D clippy::interning-literals` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::interning_literals)]` -help: use the preinterned symbol +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("f32"); LL + let _ = sym::f32; @@ -18,7 +19,8 @@ error: interning a string literal LL | let _ = Symbol::intern("proc-macro"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbol to `clippy_utils/src/sym.rs` if needed +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("proc-macro"); LL + let _ = sym::proc_dash_macro; @@ -30,7 +32,8 @@ error: interning a string literal LL | let _ = Symbol::intern("self"); | ^^^^^^^^^^^^^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbol to `clippy_utils/src/sym.rs` if needed +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("self"); LL + let _ = kw::SelfLower; @@ -42,7 +45,8 @@ error: interning a string literal LL | let _ = Symbol::intern("msrv"); | ^^^^^^^^^^^^^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbol to `clippy_utils/src/sym.rs` if needed +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("msrv"); LL + let _ = sym::msrv; @@ -54,7 +58,8 @@ error: interning a string literal LL | let _ = Symbol::intern("Cargo.toml"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbol to `clippy_utils/src/sym.rs` if needed +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("Cargo.toml"); LL + let _ = sym::Cargo_toml; diff --git a/src/tools/clippy/tests/ui-internal/interning_literals_unfixable.stderr b/src/tools/clippy/tests/ui-internal/interning_literals_unfixable.stderr index 8294453a8f9..879d9e633c2 100644 --- a/src/tools/clippy/tests/ui-internal/interning_literals_unfixable.stderr +++ b/src/tools/clippy/tests/ui-internal/interning_literals_unfixable.stderr @@ -4,9 +4,10 @@ error: interning a string literal LL | let _ = Symbol::intern("xyz123"); | ^^^^^^^^^^^^^^^^^^^^^^^^ | + = help: add the symbol to `clippy_utils/src/sym.rs` if needed = note: `-D clippy::interning-literals` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::interning_literals)]` -help: add the symbol to `clippy_utils/src/sym.rs` and use it +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("xyz123"); LL + let _ = sym::xyz123; @@ -18,7 +19,8 @@ error: interning a string literal LL | let _ = Symbol::intern("with-dash"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: add the symbol to `clippy_utils/src/sym.rs` and use it + = help: add the symbol to `clippy_utils/src/sym.rs` if needed +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("with-dash"); LL + let _ = sym::with_dash; @@ -30,7 +32,8 @@ error: interning a string literal LL | let _ = Symbol::intern("with.dot"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: add the symbol to `clippy_utils/src/sym.rs` and use it + = help: add the symbol to `clippy_utils/src/sym.rs` if needed +help: use a preinterned symbol instead | LL - let _ = Symbol::intern("with.dot"); LL + let _ = sym::with_dot; diff --git a/src/tools/clippy/tests/ui-internal/invalid_paths.rs b/src/tools/clippy/tests/ui-internal/invalid_paths.rs deleted file mode 100644 index 7317abc2185..00000000000 --- a/src/tools/clippy/tests/ui-internal/invalid_paths.rs +++ /dev/null @@ -1,30 +0,0 @@ -#![deny(clippy::invalid_paths)] -#![allow(clippy::missing_clippy_version_attribute, clippy::unnecessary_def_path)] - -mod paths { - // Good path - pub const ANY_TRAIT: [&str; 3] = ["std", "any", "Any"]; - - // Path to method on inherent impl of a primitive type - pub const F32_EPSILON: [&str; 4] = ["core", "f32", "<impl f32>", "EPSILON"]; - - // Path to method on inherent impl - pub const ARC_PTR_EQ: [&str; 4] = ["alloc", "sync", "Arc", "ptr_eq"]; - - // Path with empty segment - pub const TRANSMUTE: [&str; 4] = ["core", "intrinsics", "", "transmute"]; - //~^ invalid_paths - - // Path with bad crate - pub const BAD_CRATE_PATH: [&str; 2] = ["bad", "path"]; - //~^ invalid_paths - - // Path with bad module - pub const BAD_MOD_PATH: [&str; 2] = ["std", "xxx"]; - //~^ invalid_paths - - // Path to method on an enum inherent impl - pub const OPTION_IS_SOME: [&str; 4] = ["core", "option", "Option", "is_some"]; -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui-internal/invalid_paths.stderr b/src/tools/clippy/tests/ui-internal/invalid_paths.stderr deleted file mode 100644 index 7b7b25ce8d8..00000000000 --- a/src/tools/clippy/tests/ui-internal/invalid_paths.stderr +++ /dev/null @@ -1,26 +0,0 @@ -error: invalid path - --> tests/ui-internal/invalid_paths.rs:15:5 - | -LL | pub const TRANSMUTE: [&str; 4] = ["core", "intrinsics", "", "transmute"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: the lint level is defined here - --> tests/ui-internal/invalid_paths.rs:1:9 - | -LL | #![deny(clippy::invalid_paths)] - | ^^^^^^^^^^^^^^^^^^^^^ - -error: invalid path - --> tests/ui-internal/invalid_paths.rs:19:5 - | -LL | pub const BAD_CRATE_PATH: [&str; 2] = ["bad", "path"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: invalid path - --> tests/ui-internal/invalid_paths.rs:23:5 - | -LL | pub const BAD_MOD_PATH: [&str; 2] = ["std", "xxx"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 3 previous errors - diff --git a/src/tools/clippy/tests/ui-internal/symbol_as_str.fixed b/src/tools/clippy/tests/ui-internal/symbol_as_str.fixed index 3e26732836c..6a71b16c604 100644 --- a/src/tools/clippy/tests/ui-internal/symbol_as_str.fixed +++ b/src/tools/clippy/tests/ui-internal/symbol_as_str.fixed @@ -18,4 +18,11 @@ fn f(s: Symbol) { //~^ symbol_as_str sym::get == s; //~^ symbol_as_str + + let _ = match s { + //~^ symbol_as_str + sym::unwrap_err => 1, + sym::unwrap_or_default | sym::unwrap_or_else => 2, + _ => 3, + }; } diff --git a/src/tools/clippy/tests/ui-internal/symbol_as_str.rs b/src/tools/clippy/tests/ui-internal/symbol_as_str.rs index 334c32d1898..43136504bf1 100644 --- a/src/tools/clippy/tests/ui-internal/symbol_as_str.rs +++ b/src/tools/clippy/tests/ui-internal/symbol_as_str.rs @@ -18,4 +18,11 @@ fn f(s: Symbol) { //~^ symbol_as_str "get" == s.as_str(); //~^ symbol_as_str + + let _ = match s.as_str() { + //~^ symbol_as_str + "unwrap_err" => 1, + "unwrap_or_default" | "unwrap_or_else" => 2, + _ => 3, + }; } diff --git a/src/tools/clippy/tests/ui-internal/symbol_as_str.stderr b/src/tools/clippy/tests/ui-internal/symbol_as_str.stderr index 39f81f3833c..3eeead4aa8c 100644 --- a/src/tools/clippy/tests/ui-internal/symbol_as_str.stderr +++ b/src/tools/clippy/tests/ui-internal/symbol_as_str.stderr @@ -4,9 +4,10 @@ error: converting a Symbol to a string LL | s.as_str() == "f32"; | ^^^^^^^^^^ | + = help: add the symbols to `clippy_utils/src/sym.rs` if needed = note: `-D clippy::symbol-as-str` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::symbol_as_str)]` -help: use the preinterned symbol +help: use preinterned symbols instead | LL - s.as_str() == "f32"; LL + s == sym::f32; @@ -18,7 +19,8 @@ error: converting a Symbol to a string LL | s.as_str() == "proc-macro"; | ^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - s.as_str() == "proc-macro"; LL + s == sym::proc_dash_macro; @@ -30,7 +32,8 @@ error: converting a Symbol to a string LL | s.as_str() == "self"; | ^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - s.as_str() == "self"; LL + s == kw::SelfLower; @@ -42,7 +45,8 @@ error: converting a Symbol to a string LL | s.as_str() == "msrv"; | ^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - s.as_str() == "msrv"; LL + s == sym::msrv; @@ -54,7 +58,8 @@ error: converting a Symbol to a string LL | s.as_str() == "Cargo.toml"; | ^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - s.as_str() == "Cargo.toml"; LL + s == sym::Cargo_toml; @@ -66,11 +71,27 @@ error: converting a Symbol to a string LL | "get" == s.as_str(); | ^^^^^^^^^^ | -help: use the preinterned symbol + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - "get" == s.as_str(); LL + sym::get == s; | -error: aborting due to 6 previous errors +error: converting a Symbol to a string + --> tests/ui-internal/symbol_as_str.rs:22:19 + | +LL | let _ = match s.as_str() { + | ^^^^^^^^^^ + | + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead + | +LL ~ let _ = match s { +LL | +LL ~ sym::unwrap_err => 1, +LL ~ sym::unwrap_or_default | sym::unwrap_or_else => 2, + | + +error: aborting due to 7 previous errors diff --git a/src/tools/clippy/tests/ui-internal/symbol_as_str_unfixable.stderr b/src/tools/clippy/tests/ui-internal/symbol_as_str_unfixable.stderr index 5349983ca51..65664ebb451 100644 --- a/src/tools/clippy/tests/ui-internal/symbol_as_str_unfixable.stderr +++ b/src/tools/clippy/tests/ui-internal/symbol_as_str_unfixable.stderr @@ -4,9 +4,10 @@ error: converting a Symbol to a string LL | s.as_str() == "xyz123"; | ^^^^^^^^^^ | + = help: add the symbols to `clippy_utils/src/sym.rs` if needed = note: `-D clippy::symbol-as-str` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::symbol_as_str)]` -help: add the symbol to `clippy_utils/src/sym.rs` and use it +help: use preinterned symbols instead | LL - s.as_str() == "xyz123"; LL + s == sym::xyz123; @@ -18,7 +19,8 @@ error: converting a Symbol to a string LL | s.as_str() == "with-dash"; | ^^^^^^^^^^ | -help: add the symbol to `clippy_utils/src/sym.rs` and use it + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - s.as_str() == "with-dash"; LL + s == sym::with_dash; @@ -30,7 +32,8 @@ error: converting a Symbol to a string LL | s.as_str() == "with.dot"; | ^^^^^^^^^^ | -help: add the symbol to `clippy_utils/src/sym.rs` and use it + = help: add the symbols to `clippy_utils/src/sym.rs` if needed +help: use preinterned symbols instead | LL - s.as_str() == "with.dot"; LL + s == sym::with_dot; diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed deleted file mode 100644 index 89902ebe4e5..00000000000 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed +++ /dev/null @@ -1,77 +0,0 @@ -//@aux-build:paths.rs -#![deny(clippy::unnecessary_def_path)] -#![feature(rustc_private)] -#![allow(clippy::unnecessary_map_or)] - -extern crate clippy_utils; -extern crate paths; -extern crate rustc_hir; -extern crate rustc_lint; -extern crate rustc_middle; -extern crate rustc_span; - -#[allow(unused)] -use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item, match_type}; -#[allow(unused)] -use clippy_utils::{ - is_enum_variant_ctor, is_expr_path_def_path, is_path_diagnostic_item, is_res_lang_ctor, is_trait_method, - match_def_path, match_trait_method, path_res, -}; - -#[allow(unused)] -use rustc_hir::LangItem; -#[allow(unused)] -use rustc_span::sym; - -use rustc_hir::Expr; -use rustc_hir::def_id::DefId; -use rustc_lint::LateContext; -use rustc_middle::ty::Ty; - -#[allow(unused, clippy::unnecessary_def_path)] -static OPTION: [&str; 3] = ["core", "option", "Option"]; -#[allow(unused, clippy::unnecessary_def_path)] -const RESULT: &[&str] = &["core", "result", "Result"]; - -fn _f<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, did: DefId, expr: &Expr<'_>) { - let _ = is_type_diagnostic_item(cx, ty, sym::Option); - //~^ unnecessary_def_path - let _ = is_type_diagnostic_item(cx, ty, sym::Result); - //~^ unnecessary_def_path - let _ = is_type_diagnostic_item(cx, ty, sym::Result); - //~^ unnecessary_def_path - - #[allow(unused, clippy::unnecessary_def_path)] - let rc_path = &["alloc", "rc", "Rc"]; - let _ = is_type_diagnostic_item(cx, ty, sym::Rc); - //~^ unnecessary_def_path - - let _ = is_type_diagnostic_item(cx, ty, sym::Option); - //~^ unnecessary_def_path - let _ = is_type_diagnostic_item(cx, ty, sym::Result); - //~^ unnecessary_def_path - - let _ = is_type_lang_item(cx, ty, LangItem::OwnedBox); - //~^ unnecessary_def_path - let _ = is_type_diagnostic_item(cx, ty, sym::maybe_uninit_uninit); - //~^ unnecessary_def_path - - let _ = cx.tcx.lang_items().get(LangItem::OwnedBox) == Some(did); - //~^ unnecessary_def_path - let _ = cx.tcx.is_diagnostic_item(sym::Option, did); - //~^ unnecessary_def_path - let _ = cx.tcx.lang_items().get(LangItem::OptionSome) == Some(did); - //~^ unnecessary_def_path - - let _ = is_trait_method(cx, expr, sym::AsRef); - //~^ unnecessary_def_path - - let _ = is_path_diagnostic_item(cx, expr, sym::Option); - //~^ unnecessary_def_path - let _ = path_res(cx, expr).opt_def_id().map_or(false, |id| cx.tcx.lang_items().get(LangItem::IteratorNext) == Some(id)); - //~^ unnecessary_def_path - let _ = is_res_lang_ctor(cx, path_res(cx, expr), LangItem::OptionSome); - //~^ unnecessary_def_path -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs index cfca15267c1..5cd3254188d 100644 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs @@ -1,77 +1,20 @@ -//@aux-build:paths.rs -#![deny(clippy::unnecessary_def_path)] #![feature(rustc_private)] -#![allow(clippy::unnecessary_map_or)] -extern crate clippy_utils; -extern crate paths; -extern crate rustc_hir; -extern crate rustc_lint; -extern crate rustc_middle; -extern crate rustc_span; +use clippy_utils::paths::{PathLookup, PathNS}; +use clippy_utils::{macro_path, sym, type_path, value_path}; -#[allow(unused)] -use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item, match_type}; -#[allow(unused)] -use clippy_utils::{ - is_enum_variant_ctor, is_expr_path_def_path, is_path_diagnostic_item, is_res_lang_ctor, is_trait_method, - match_def_path, match_trait_method, path_res, -}; +static OPTION: PathLookup = type_path!(core::option::Option); +//~^ unnecessary_def_path +static SOME: PathLookup = type_path!(core::option::Option::Some); +//~^ unnecessary_def_path -#[allow(unused)] -use rustc_hir::LangItem; -#[allow(unused)] -use rustc_span::sym; +static RESULT: PathLookup = type_path!(core::result::Result); +//~^ unnecessary_def_path +static RESULT_VIA_STD: PathLookup = type_path!(std::result::Result); +//~^ unnecessary_def_path -use rustc_hir::Expr; -use rustc_hir::def_id::DefId; -use rustc_lint::LateContext; -use rustc_middle::ty::Ty; +static VEC_NEW: PathLookup = value_path!(alloc::vec::Vec::new); +//~^ unnecessary_def_path -#[allow(unused, clippy::unnecessary_def_path)] -static OPTION: [&str; 3] = ["core", "option", "Option"]; -#[allow(unused, clippy::unnecessary_def_path)] -const RESULT: &[&str] = &["core", "result", "Result"]; - -fn _f<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, did: DefId, expr: &Expr<'_>) { - let _ = match_type(cx, ty, &OPTION); - //~^ unnecessary_def_path - let _ = match_type(cx, ty, RESULT); - //~^ unnecessary_def_path - let _ = match_type(cx, ty, &["core", "result", "Result"]); - //~^ unnecessary_def_path - - #[allow(unused, clippy::unnecessary_def_path)] - let rc_path = &["alloc", "rc", "Rc"]; - let _ = clippy_utils::ty::match_type(cx, ty, rc_path); - //~^ unnecessary_def_path - - let _ = match_type(cx, ty, &paths::OPTION); - //~^ unnecessary_def_path - let _ = match_type(cx, ty, paths::RESULT); - //~^ unnecessary_def_path - - let _ = match_type(cx, ty, &["alloc", "boxed", "Box"]); - //~^ unnecessary_def_path - let _ = match_type(cx, ty, &["core", "mem", "maybe_uninit", "MaybeUninit", "uninit"]); - //~^ unnecessary_def_path - - let _ = match_def_path(cx, did, &["alloc", "boxed", "Box"]); - //~^ unnecessary_def_path - let _ = match_def_path(cx, did, &["core", "option", "Option"]); - //~^ unnecessary_def_path - let _ = match_def_path(cx, did, &["core", "option", "Option", "Some"]); - //~^ unnecessary_def_path - - let _ = match_trait_method(cx, expr, &["core", "convert", "AsRef"]); - //~^ unnecessary_def_path - - let _ = is_expr_path_def_path(cx, expr, &["core", "option", "Option"]); - //~^ unnecessary_def_path - let _ = is_expr_path_def_path(cx, expr, &["core", "iter", "traits", "Iterator", "next"]); - //~^ unnecessary_def_path - let _ = is_expr_path_def_path(cx, expr, &["core", "option", "Option", "Some"]); - //~^ unnecessary_def_path -} - -fn main() {} +static VEC_MACRO: PathLookup = macro_path!(std::vec); +//~^ unnecessary_def_path diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.stderr b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.stderr index d7fb4ea551e..4abb1be7406 100644 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.stderr +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.stderr @@ -1,100 +1,58 @@ -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:37:13 +error: a diagnostic name exists for this path: sym::Option + --> tests/ui-internal/unnecessary_def_path.rs:6:29 | -LL | let _ = match_type(cx, ty, &OPTION); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Option)` +LL | static OPTION: PathLookup = type_path!(core::option::Option); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -note: the lint level is defined here - --> tests/ui-internal/unnecessary_def_path.rs:2:9 - | -LL | #![deny(clippy::unnecessary_def_path)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:39:13 - | -LL | let _ = match_type(cx, ty, RESULT); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Result)` + = help: remove the `PathLookup` and use utilities such as `cx.tcx.is_diagnostic_item` instead + = help: see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=diag&filter-crate=clippy_utils + = note: `-D clippy::unnecessary-def-path` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::unnecessary_def_path)]` -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:41:13 +error: a language item exists for this path: LangItem::OptionSome + --> tests/ui-internal/unnecessary_def_path.rs:8:27 | -LL | let _ = match_type(cx, ty, &["core", "result", "Result"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Result)` - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:46:13 +LL | static SOME: PathLookup = type_path!(core::option::Option::Some); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -LL | let _ = clippy_utils::ty::match_type(cx, ty, rc_path); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Rc)` + = help: remove the `PathLookup` and use utilities such as `cx.tcx.lang_items` instead + = help: see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=lang&filter-crate=clippy_utils -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:49:13 +error: a diagnostic name exists for this path: sym::Result + --> tests/ui-internal/unnecessary_def_path.rs:11:29 | -LL | let _ = match_type(cx, ty, &paths::OPTION); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Option)` - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:51:13 +LL | static RESULT: PathLookup = type_path!(core::result::Result); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -LL | let _ = match_type(cx, ty, paths::RESULT); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Result)` + = help: remove the `PathLookup` and use utilities such as `cx.tcx.is_diagnostic_item` instead + = help: see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=diag&filter-crate=clippy_utils -error: use of a def path to a `LangItem` - --> tests/ui-internal/unnecessary_def_path.rs:54:13 +error: a diagnostic name exists for this path: sym::Result + --> tests/ui-internal/unnecessary_def_path.rs:13:37 | -LL | let _ = match_type(cx, ty, &["alloc", "boxed", "Box"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_lang_item(cx, ty, LangItem::OwnedBox)` - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:56:13 +LL | static RESULT_VIA_STD: PathLookup = type_path!(std::result::Result); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -LL | let _ = match_type(cx, ty, &["core", "mem", "maybe_uninit", "MaybeUninit", "uninit"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::maybe_uninit_uninit)` + = help: remove the `PathLookup` and use utilities such as `cx.tcx.is_diagnostic_item` instead + = help: see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=diag&filter-crate=clippy_utils -error: use of a def path to a `LangItem` - --> tests/ui-internal/unnecessary_def_path.rs:59:13 +error: a diagnostic name exists for this path: sym::vec_new + --> tests/ui-internal/unnecessary_def_path.rs:16:30 | -LL | let _ = match_def_path(cx, did, &["alloc", "boxed", "Box"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cx.tcx.lang_items().get(LangItem::OwnedBox) == Some(did)` - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:61:13 +LL | static VEC_NEW: PathLookup = value_path!(alloc::vec::Vec::new); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -LL | let _ = match_def_path(cx, did, &["core", "option", "Option"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cx.tcx.is_diagnostic_item(sym::Option, did)` + = help: remove the `PathLookup` and use utilities such as `cx.tcx.is_diagnostic_item` instead + = help: see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=diag&filter-crate=clippy_utils -error: use of a def path to a `LangItem` - --> tests/ui-internal/unnecessary_def_path.rs:63:13 - | -LL | let _ = match_def_path(cx, did, &["core", "option", "Option", "Some"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cx.tcx.lang_items().get(LangItem::OptionSome) == Some(did)` +error: a diagnostic name exists for this path: sym::vec_macro + --> tests/ui-internal/unnecessary_def_path.rs:19:32 | - = help: if this `DefId` came from a constructor expression or pattern then the parent `DefId` should be used instead - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:66:13 - | -LL | let _ = match_trait_method(cx, expr, &["core", "convert", "AsRef"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_trait_method(cx, expr, sym::AsRef)` - -error: use of a def path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path.rs:69:13 - | -LL | let _ = is_expr_path_def_path(cx, expr, &["core", "option", "Option"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_path_diagnostic_item(cx, expr, sym::Option)` - -error: use of a def path to a `LangItem` - --> tests/ui-internal/unnecessary_def_path.rs:71:13 - | -LL | let _ = is_expr_path_def_path(cx, expr, &["core", "iter", "traits", "Iterator", "next"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `path_res(cx, expr).opt_def_id().map_or(false, |id| cx.tcx.lang_items().get(LangItem::IteratorNext) == Some(id))` - -error: use of a def path to a `LangItem` - --> tests/ui-internal/unnecessary_def_path.rs:73:13 +LL | static VEC_MACRO: PathLookup = macro_path!(std::vec); + | ^^^^^^^^^^^^^^^^^^^^^ | -LL | let _ = is_expr_path_def_path(cx, expr, &["core", "option", "Option", "Some"]); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_res_lang_ctor(cx, path_res(cx, expr), LangItem::OptionSome)` + = help: remove the `PathLookup` and use utilities such as `cx.tcx.is_diagnostic_item` instead + = help: see also https://doc.rust-lang.org/nightly/nightly-rustc/?search=diag&filter-crate=clippy_utils -error: aborting due to 15 previous errors +error: aborting due to 6 previous errors diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.rs b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.rs deleted file mode 100644 index bd7a55114ac..00000000000 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![feature(rustc_private)] -#![allow(unused)] -#![deny(clippy::unnecessary_def_path)] - -extern crate rustc_hir; - -use rustc_hir::LangItem; - -fn main() { - const DEREF_TRAIT: [&str; 4] = ["core", "ops", "deref", "Deref"]; - //~^ unnecessary_def_path - const DEREF_MUT_TRAIT: [&str; 4] = ["core", "ops", "deref", "DerefMut"]; - //~^ unnecessary_def_path - const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; - //~^ unnecessary_def_path - - // Don't lint, not a diagnostic or language item - const OPS_MOD: [&str; 2] = ["core", "ops"]; -} diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr deleted file mode 100644 index 88fdf6f1c18..00000000000 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr +++ /dev/null @@ -1,31 +0,0 @@ -error: hardcoded path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path_hardcoded_path.rs:10:36 - | -LL | const DEREF_TRAIT: [&str; 4] = ["core", "ops", "deref", "Deref"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: convert all references to use `sym::Deref` -note: the lint level is defined here - --> tests/ui-internal/unnecessary_def_path_hardcoded_path.rs:3:9 - | -LL | #![deny(clippy::unnecessary_def_path)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: hardcoded path to a language item - --> tests/ui-internal/unnecessary_def_path_hardcoded_path.rs:12:40 - | -LL | const DEREF_MUT_TRAIT: [&str; 4] = ["core", "ops", "deref", "DerefMut"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: convert all references to use `LangItem::DerefMut` - -error: hardcoded path to a diagnostic item - --> tests/ui-internal/unnecessary_def_path_hardcoded_path.rs:14:43 - | -LL | const OPS_MOD: [&str; 5] = ["core", "ops"]; - | ^^^^^^^^^^^^^^^ - | - = help: convert all references to use `sym::deref_method` - -error: aborting due to 3 previous errors - diff --git a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed index f12273954c6..5e189471b00 100644 --- a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed +++ b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.fixed @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![warn(clippy::collapsible_if)] fn main() { diff --git a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs index 5a984d7a3cb..525eebf632a 100644 --- a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs +++ b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![warn(clippy::collapsible_if)] fn main() { diff --git a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr index c22a65a4473..c9de166a969 100644 --- a/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr +++ b/src/tools/clippy/tests/ui-toml/collapsible_if/collapsible_if_let_chains.stderr @@ -1,5 +1,5 @@ error: this `if` statement can be collapsed - --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:5:5 + --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:4:5 | LL | / if let Some(a) = Some(3) { LL | | // with comment @@ -21,7 +21,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:13:5 + --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:12:5 | LL | / if let Some(a) = Some(3) { LL | | // with comment @@ -41,7 +41,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:21:5 + --> tests/ui-toml/collapsible_if/collapsible_if_let_chains.rs:20:5 | LL | / if Some(3) == Some(4).map(|x| x - 1) { LL | | // with comment diff --git a/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/clippy.toml b/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/clippy.toml new file mode 100644 index 00000000000..3ed7cedbd14 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/clippy.toml @@ -0,0 +1 @@ +allow-exact-repetitions = false diff --git a/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.rs b/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.rs new file mode 100644 index 00000000000..20603766624 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.rs @@ -0,0 +1,13 @@ +#![warn(clippy::module_name_repetitions)] +#![allow(dead_code)] + +pub mod foo { + // this line should produce a warning: + pub fn foo() {} + //~^ module_name_repetitions + + // but this line shouldn't + pub fn to_foo() {} +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.stderr b/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.stderr new file mode 100644 index 00000000000..8e6f726d02c --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.stderr @@ -0,0 +1,11 @@ +error: item name is the same as its containing module's name + --> tests/ui-toml/item_name_repetitions/allow_exact_repetitions/item_name_repetitions.rs:6:12 + | +LL | pub fn foo() {} + | ^^^ + | + = note: `-D clippy::module-name-repetitions` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::module_name_repetitions)]` + +error: aborting due to 1 previous error + diff --git a/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/clippy.toml b/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/clippy.toml new file mode 100644 index 00000000000..2fe64b2755b --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/clippy.toml @@ -0,0 +1 @@ +missing-docs-allow-unused = true diff --git a/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs b/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs new file mode 100644 index 00000000000..155f680c7b1 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs @@ -0,0 +1,26 @@ +//! Test file for missing_docs_in_private_items lint with allow_unused configuration +#![warn(clippy::missing_docs_in_private_items)] +#![allow(dead_code)] + +/// A struct with some documented and undocumented fields +struct Test { + /// This field is documented + field1: i32, + _unused: i32, // This should not trigger a warning because it starts with an underscore + field3: i32, //~ missing_docs_in_private_items +} + +struct Test2 { + //~^ missing_docs_in_private_items + _field1: i32, // This should not trigger a warning + _field2: i32, // This should not trigger a warning +} + +struct Test3 { + //~^ missing_docs_in_private_items + /// This field is documented although this is not mandatory + _unused: i32, // This should not trigger a warning because it starts with an underscore + field2: i32, //~ missing_docs_in_private_items +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.stderr b/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.stderr new file mode 100644 index 00000000000..8f511883e90 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.stderr @@ -0,0 +1,38 @@ +error: missing documentation for a struct field + --> tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs:10:5 + | +LL | field3: i32, + | ^^^^^^^^^^^ + | + = note: `-D clippy::missing-docs-in-private-items` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::missing_docs_in_private_items)]` + +error: missing documentation for a struct + --> tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs:13:1 + | +LL | / struct Test2 { +LL | | +LL | | _field1: i32, // This should not trigger a warning +LL | | _field2: i32, // This should not trigger a warning +LL | | } + | |_^ + +error: missing documentation for a struct + --> tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs:19:1 + | +LL | / struct Test3 { +LL | | +LL | | /// This field is documented although this is not mandatory +LL | | _unused: i32, // This should not trigger a warning because it starts with an underscore +LL | | field2: i32, +LL | | } + | |_^ + +error: missing documentation for a struct field + --> tests/ui-toml/missing_docs_allow_unused/missing_docs_allow_unused.rs:23:5 + | +LL | field2: i32, + | ^^^^^^^^^^^ + +error: aborting due to 4 previous errors + diff --git a/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/clippy.toml b/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/clippy.toml index 41dbd506847..c7a326f2829 100644 --- a/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/clippy.toml +++ b/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/clippy.toml @@ -14,4 +14,7 @@ disallowed-methods = [ "conf_disallowed_methods::Struct::method", "conf_disallowed_methods::Trait::provided_method", "conf_disallowed_methods::Trait::implemented_method", + # re-exports + "conf_disallowed_methods::identity", + "conf_disallowed_methods::renamed", ] diff --git a/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs b/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs index dd170d6baf8..2dac01649a0 100644 --- a/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs +++ b/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs @@ -8,6 +8,9 @@ extern crate regex; use futures::stream::{empty, select_all}; use regex::Regex; +use std::convert::identity; +use std::hint::black_box as renamed; + fn local_fn() {} struct Struct; @@ -71,4 +74,9 @@ fn main() { //~^ disallowed_methods s.implemented_method(); //~^ disallowed_methods + + identity(()); + //~^ disallowed_methods + renamed(1); + //~^ disallowed_methods } diff --git a/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.stderr b/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.stderr index f7dda81eb93..20474ad6e92 100644 --- a/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.stderr +++ b/src/tools/clippy/tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.stderr @@ -1,5 +1,5 @@ error: use of a disallowed method `regex::Regex::new` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:33:14 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:36:14 | LL | let re = Regex::new(r"ab.*c").unwrap(); | ^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | let re = Regex::new(r"ab.*c").unwrap(); = help: to override `-D warnings` add `#[allow(clippy::disallowed_methods)]` error: use of a disallowed method `regex::Regex::is_match` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:35:8 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:38:8 | LL | re.is_match("abc"); | ^^^^^^^^ @@ -16,76 +16,88 @@ LL | re.is_match("abc"); = note: no matching allowed error: use of a disallowed method `std::iter::Iterator::sum` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:39:14 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:42:14 | LL | a.iter().sum::<i32>(); | ^^^ error: use of a disallowed method `slice::sort_unstable` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:42:7 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:45:7 | LL | a.sort_unstable(); | ^^^^^^^^^^^^^ error: use of a disallowed method `f32::clamp` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:46:20 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:49:20 | LL | let _ = 2.0f32.clamp(3.0f32, 4.0f32); | ^^^^^ error: use of a disallowed method `regex::Regex::new` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:50:61 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:53:61 | LL | let indirect: fn(&str) -> Result<Regex, regex::Error> = Regex::new; | ^^^^^^^^^^ error: use of a disallowed method `f32::clamp` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:54:28 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:57:28 | LL | let in_call = Box::new(f32::clamp); | ^^^^^^^^^^ error: use of a disallowed method `regex::Regex::new` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:56:53 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:59:53 | LL | let in_method_call = ["^", "$"].into_iter().map(Regex::new); | ^^^^^^^^^^ error: use of a disallowed method `futures::stream::select_all` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:60:31 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:63:31 | LL | let same_name_as_module = select_all(vec![empty::<()>()]); | ^^^^^^^^^^ error: use of a disallowed method `conf_disallowed_methods::local_fn` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:63:5 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:66:5 | LL | local_fn(); | ^^^^^^^^ error: use of a disallowed method `conf_disallowed_methods::local_mod::f` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:65:5 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:68:5 | LL | local_mod::f(); | ^^^^^^^^^^^^ error: use of a disallowed method `conf_disallowed_methods::Struct::method` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:68:7 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:71:7 | LL | s.method(); | ^^^^^^ error: use of a disallowed method `conf_disallowed_methods::Trait::provided_method` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:70:7 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:73:7 | LL | s.provided_method(); | ^^^^^^^^^^^^^^^ error: use of a disallowed method `conf_disallowed_methods::Trait::implemented_method` - --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:72:7 + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:75:7 | LL | s.implemented_method(); | ^^^^^^^^^^^^^^^^^^ -error: aborting due to 14 previous errors +error: use of a disallowed method `conf_disallowed_methods::identity` + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:78:5 + | +LL | identity(()); + | ^^^^^^^^ + +error: use of a disallowed method `conf_disallowed_methods::renamed` + --> tests/ui-toml/toml_disallowed_methods/conf_disallowed_methods.rs:80:5 + | +LL | renamed(1); + | ^^^^^^^ + +error: aborting due to 16 previous errors diff --git a/src/tools/clippy/tests/ui-toml/toml_disallowed_types/clippy.toml b/src/tools/clippy/tests/ui-toml/toml_disallowed_types/clippy.toml index 6cb9e2ef954..08e35017f78 100644 --- a/src/tools/clippy/tests/ui-toml/toml_disallowed_types/clippy.toml +++ b/src/tools/clippy/tests/ui-toml/toml_disallowed_types/clippy.toml @@ -6,7 +6,7 @@ disallowed-types = [ "std::thread::Thread", "std::time::Instant", "std::io::Read", - "std::primitive::usize", + "usize", "bool", # can give path and reason with an inline table { path = "std::net::Ipv4Addr", reason = "no IPv4 allowed" }, diff --git a/src/tools/clippy/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.stderr b/src/tools/clippy/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.stderr index 18bc36ca1e3..061cdc7649a 100644 --- a/src/tools/clippy/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.stderr +++ b/src/tools/clippy/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.stderr @@ -37,7 +37,7 @@ error: use of a disallowed type `std::io::Read` LL | fn trait_obj(_: &dyn std::io::Read) {} | ^^^^^^^^^^^^^ -error: use of a disallowed type `std::primitive::usize` +error: use of a disallowed type `usize` --> tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs:26:33 | LL | fn full_and_single_path_prim(_: usize, _: bool) {} @@ -49,13 +49,13 @@ error: use of a disallowed type `bool` LL | fn full_and_single_path_prim(_: usize, _: bool) {} | ^^^^ -error: use of a disallowed type `std::primitive::usize` +error: use of a disallowed type `usize` --> tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs:30:28 | LL | fn const_generics<const C: usize>() {} | ^^^^^ -error: use of a disallowed type `std::primitive::usize` +error: use of a disallowed type `usize` --> tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs:33:24 | LL | struct GenArg<const U: usize>([u8; U]); @@ -123,7 +123,7 @@ error: use of a disallowed type `proc_macro2::Ident` LL | let _ = syn::Ident::new("", todo!()); | ^^^^^^^^^^ -error: use of a disallowed type `std::primitive::usize` +error: use of a disallowed type `usize` --> tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs:61:12 | LL | let _: usize = 64_usize; diff --git a/src/tools/clippy/tests/ui-toml/toml_invalid_path/clippy.toml b/src/tools/clippy/tests/ui-toml/toml_invalid_path/clippy.toml index 6d0d732a922..997ed47b71c 100644 --- a/src/tools/clippy/tests/ui-toml/toml_invalid_path/clippy.toml +++ b/src/tools/clippy/tests/ui-toml/toml_invalid_path/clippy.toml @@ -1,12 +1,15 @@ -[[disallowed-types]] -path = "std::result::Result::Err" - [[disallowed-macros]] path = "bool" [[disallowed-methods]] path = "std::process::current_exe" +[[disallowed-methods]] +path = "" + +[[disallowed-types]] +path = "std::result::Result::Err" + # negative test [[disallowed-methods]] diff --git a/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.rs b/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.rs index c1520382703..ff4eada3900 100644 --- a/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.rs +++ b/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.rs @@ -1,5 +1,6 @@ //@error-in-other-file: expected a macro, found a primitive type -//@error-in-other-file: `std::process::current_exe` does not refer to an existing function -//@error-in-other-file: expected a type, found a tuple variant +//@error-in-other-file: `std::process::current_exe` does not refer to a reachable function +//@error-in-other-file: `` does not refer to a reachable function +//@error-in-other-file: expected a type, found a variant fn main() {} diff --git a/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.stderr b/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.stderr index 82550108eba..59a427dc99c 100644 --- a/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.stderr +++ b/src/tools/clippy/tests/ui-toml/toml_invalid_path/conf_invalid_path.stderr @@ -1,23 +1,38 @@ warning: expected a macro, found a primitive type - --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:4:1 + --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:1:1 | LL | / [[disallowed-macros]] LL | | path = "bool" | |_____________^ + | + = help: add `allow-invalid = true` to the entry to suppress this warning -warning: `std::process::current_exe` does not refer to an existing function - --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:7:1 +warning: `std::process::current_exe` does not refer to a reachable function + --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:4:1 | LL | / [[disallowed-methods]] LL | | path = "std::process::current_exe" | |__________________________________^ + | + = help: add `allow-invalid = true` to the entry to suppress this warning -warning: expected a type, found a tuple variant - --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:1:1 +warning: `` does not refer to a reachable function + --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:7:1 + | +LL | / [[disallowed-methods]] +LL | | path = "" + | |_________^ + | + = help: add `allow-invalid = true` to the entry to suppress this warning + +warning: expected a type, found a variant + --> $DIR/tests/ui-toml/toml_invalid_path/clippy.toml:10:1 | LL | / [[disallowed-types]] LL | | path = "std::result::Result::Err" | |_________________________________^ + | + = help: add `allow-invalid = true` to the entry to suppress this warning -warning: 3 warnings emitted +warning: 4 warnings emitted diff --git a/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/clippy.toml b/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/clippy.toml new file mode 100644 index 00000000000..82560cfd5e2 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/clippy.toml @@ -0,0 +1,4 @@ +# In the following configuration, "recommendation" should be "reason" or "replacement". +disallowed-macros = [ + { path = "std::panic", recommendation = "return a `std::result::Result::Error` instead" }, +] diff --git a/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/toml_unknown_config_struct_field.rs b/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/toml_unknown_config_struct_field.rs new file mode 100644 index 00000000000..9c770c31f6f --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/toml_unknown_config_struct_field.rs @@ -0,0 +1,5 @@ +#[rustfmt::skip] +//@error-in-other-file: error reading Clippy's configuration file: data did not match any variant of untagged enum DisallowedPathEnum +fn main() { + panic!(); +} diff --git a/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/toml_unknown_config_struct_field.stderr b/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/toml_unknown_config_struct_field.stderr new file mode 100644 index 00000000000..b564709721d --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/toml_unknown_config_struct_field/toml_unknown_config_struct_field.stderr @@ -0,0 +1,8 @@ +error: error reading Clippy's configuration file: data did not match any variant of untagged enum DisallowedPathEnum + --> $DIR/tests/ui-toml/toml_unknown_config_struct_field/clippy.toml:3:5 + | +LL | { path = "std::panic", recommendation = "return a `std::result::Result::Error` instead" }, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/src/tools/clippy/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr b/src/tools/clippy/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr index f2eaa66a4ae..6ee77ebd8ec 100644 --- a/src/tools/clippy/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr +++ b/src/tools/clippy/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr @@ -5,6 +5,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect accept-comment-above-statement allow-comparison-to-zero allow-dbg-in-tests + allow-exact-repetitions allow-expect-in-consts allow-expect-in-tests allow-indexing-slicing-in-tests @@ -57,6 +58,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect max-suggested-slice-pattern-length max-trait-bounds min-ident-chars-threshold + missing-docs-allow-unused missing-docs-in-crate-items module-item-order-groupings module-items-ordered-within-groupings @@ -97,6 +99,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect accept-comment-above-statement allow-comparison-to-zero allow-dbg-in-tests + allow-exact-repetitions allow-expect-in-consts allow-expect-in-tests allow-indexing-slicing-in-tests @@ -149,6 +152,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect max-suggested-slice-pattern-length max-trait-bounds min-ident-chars-threshold + missing-docs-allow-unused missing-docs-in-crate-items module-item-order-groupings module-items-ordered-within-groupings @@ -189,6 +193,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni accept-comment-above-statement allow-comparison-to-zero allow-dbg-in-tests + allow-exact-repetitions allow-expect-in-consts allow-expect-in-tests allow-indexing-slicing-in-tests @@ -241,6 +246,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni max-suggested-slice-pattern-length max-trait-bounds min-ident-chars-threshold + missing-docs-allow-unused missing-docs-in-crate-items module-item-order-groupings module-items-ordered-within-groupings diff --git a/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/clippy.toml b/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/clippy.toml new file mode 100644 index 00000000000..e664256d2a2 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/clippy.toml @@ -0,0 +1,10 @@ +# The first two `disallowed-methods` paths should generate warnings, but the third should not. + +[[disallowed-methods]] +path = "regex::Regex::new_" + +[[disallowed-methods]] +path = "regex::Regex_::new" + +[[disallowed-methods]] +path = "regex_::Regex::new" diff --git a/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/conf_unloaded_crate.rs b/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/conf_unloaded_crate.rs new file mode 100644 index 00000000000..14f15e73311 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/conf_unloaded_crate.rs @@ -0,0 +1,6 @@ +//@error-in-other-file: `regex::Regex::new_` does not refer to a reachable function +//@error-in-other-file: `regex::Regex_::new` does not refer to a reachable function + +extern crate regex; + +fn main() {} diff --git a/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/conf_unloaded_crate.stderr b/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/conf_unloaded_crate.stderr new file mode 100644 index 00000000000..e5fd548b26d --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/toml_unloaded_crate/conf_unloaded_crate.stderr @@ -0,0 +1,20 @@ +warning: `regex::Regex::new_` does not refer to a reachable function + --> $DIR/tests/ui-toml/toml_unloaded_crate/clippy.toml:3:1 + | +LL | / [[disallowed-methods]] +LL | | path = "regex::Regex::new_" + | |___________________________^ + | + = help: add `allow-invalid = true` to the entry to suppress this warning + +warning: `regex::Regex_::new` does not refer to a reachable function + --> $DIR/tests/ui-toml/toml_unloaded_crate/clippy.toml:6:1 + | +LL | / [[disallowed-methods]] +LL | | path = "regex::Regex_::new" + | |___________________________^ + | + = help: add `allow-invalid = true` to the entry to suppress this warning + +warning: 2 warnings emitted + diff --git a/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.rs b/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.rs index 7f93d2071c9..b60cb7632e2 100644 --- a/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.rs +++ b/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.rs @@ -12,7 +12,7 @@ fn f2<T>() where T: Copy + Clone + Sync + Send + ?Sized, T: Unpin + PartialEq, - //~^ ERROR: this type has already been used as a bound predicate + //~^ type_repetition_in_bounds { } diff --git a/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.stderr b/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.stderr index c5102c39d1c..ba0f41167a0 100644 --- a/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.stderr +++ b/src/tools/clippy/tests/ui-toml/type_repetition_in_bounds/main.stderr @@ -1,4 +1,4 @@ -error: this type has already been used as a bound predicate +error: type `T` has already been used as a bound predicate --> tests/ui-toml/type_repetition_in_bounds/main.rs:14:5 | LL | T: Unpin + PartialEq, diff --git a/src/tools/clippy/tests/ui/author.stdout b/src/tools/clippy/tests/ui/author.stdout index eed704e82fe..88a27530238 100644 --- a/src/tools/clippy/tests/ui/author.stdout +++ b/src/tools/clippy/tests/ui/author.stdout @@ -1,8 +1,6 @@ if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Cast(expr, cast_ty) = init.kind - && let TyKind::Path(ref qpath) = cast_ty.kind - && match_qpath(qpath, &["char"]) && let ExprKind::Lit(ref lit) = expr.kind && let LitKind::Int(69, LitIntType::Unsuffixed) = lit.node && let PatKind::Binding(BindingMode::NONE, _, name, None) = local.pat.kind diff --git a/src/tools/clippy/tests/ui/author/blocks.stdout b/src/tools/clippy/tests/ui/author/blocks.stdout index 54325f9776c..e453299edbc 100644 --- a/src/tools/clippy/tests/ui/author/blocks.stdout +++ b/src/tools/clippy/tests/ui/author/blocks.stdout @@ -14,8 +14,6 @@ if let ExprKind::Block(block, None) = expr.kind && name1.as_str() == "_t" && let StmtKind::Semi(e) = block.stmts[2].kind && let ExprKind::Unary(UnOp::Neg, inner) = e.kind - && let ExprKind::Path(ref qpath) = inner.kind - && match_qpath(qpath, &["x"]) && block.expr.is_none() { // report your lint here @@ -25,18 +23,14 @@ if let ExprKind::Block(block, None) = expr.kind && let StmtKind::Let(local) = block.stmts[0].kind && let Some(init) = local.init && let ExprKind::Call(func, args) = init.kind - && let ExprKind::Path(ref qpath) = func.kind - && match_qpath(qpath, &["String", "new"]) + && is_path_diagnostic_item(cx, func, sym::string_new) && args.is_empty() && let PatKind::Binding(BindingMode::NONE, _, name, None) = local.pat.kind && name.as_str() == "expr" && let Some(trailing_expr) = block.expr && let ExprKind::Call(func1, args1) = trailing_expr.kind - && let ExprKind::Path(ref qpath1) = func1.kind - && match_qpath(qpath1, &["drop"]) + && is_path_diagnostic_item(cx, func1, sym::mem_drop) && args1.len() == 1 - && let ExprKind::Path(ref qpath2) = args1[0].kind - && match_qpath(qpath2, &["expr"]) { // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/call.stdout b/src/tools/clippy/tests/ui/author/call.stdout index 59d4da490fe..2b179d45112 100644 --- a/src/tools/clippy/tests/ui/author/call.stdout +++ b/src/tools/clippy/tests/ui/author/call.stdout @@ -1,8 +1,7 @@ if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Call(func, args) = init.kind - && let ExprKind::Path(ref qpath) = func.kind - && match_qpath(qpath, &["{{root}}", "std", "cmp", "min"]) + && is_path_diagnostic_item(cx, func, sym::cmp_min) && args.len() == 2 && let ExprKind::Lit(ref lit) = args[0].kind && let LitKind::Int(3, LitIntType::Unsuffixed) = lit.node diff --git a/src/tools/clippy/tests/ui/author/if.stdout b/src/tools/clippy/tests/ui/author/if.stdout index 8ffdf886202..da359866bff 100644 --- a/src/tools/clippy/tests/ui/author/if.stdout +++ b/src/tools/clippy/tests/ui/author/if.stdout @@ -31,10 +31,8 @@ if let StmtKind::Let(local) = stmt.kind if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind && let ExprKind::Let(let_expr) = cond.kind && let PatKind::Expr(lit_expr) = let_expr.pat.kind - && let PatExprKind::Lit{ref lit, negated } = lit_expr.kind + && let PatExprKind::Lit { ref lit, negated } = lit_expr.kind && let LitKind::Bool(true) = lit.node - && let ExprKind::Path(ref qpath) = let_expr.init.kind - && match_qpath(qpath, &["a"]) && let ExprKind::Block(block, None) = then.kind && block.stmts.is_empty() && block.expr.is_none() diff --git a/src/tools/clippy/tests/ui/author/issue_3849.stdout b/src/tools/clippy/tests/ui/author/issue_3849.stdout index a5a8c0304ee..f02ea5bf075 100644 --- a/src/tools/clippy/tests/ui/author/issue_3849.stdout +++ b/src/tools/clippy/tests/ui/author/issue_3849.stdout @@ -1,11 +1,8 @@ if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Call(func, args) = init.kind - && let ExprKind::Path(ref qpath) = func.kind - && match_qpath(qpath, &["std", "mem", "transmute"]) + && is_path_diagnostic_item(cx, func, sym::transmute) && args.len() == 1 - && let ExprKind::Path(ref qpath1) = args[0].kind - && match_qpath(qpath1, &["ZPTR"]) && let PatKind::Wild = local.pat.kind { // report your lint here diff --git a/src/tools/clippy/tests/ui/author/loop.stdout b/src/tools/clippy/tests/ui/author/loop.stdout index c94eb171f52..79794cec926 100644 --- a/src/tools/clippy/tests/ui/author/loop.stdout +++ b/src/tools/clippy/tests/ui/author/loop.stdout @@ -14,8 +14,6 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo && block.stmts.len() == 1 && let StmtKind::Let(local) = block.stmts[0].kind && let Some(init) = local.init - && let ExprKind::Path(ref qpath1) = init.kind - && match_qpath(qpath1, &["y"]) && let PatKind::Binding(BindingMode::NONE, _, name1, None) = local.pat.kind && name1.as_str() == "z" && block.expr.is_none() @@ -64,8 +62,6 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo // report your lint here } if let Some(higher::While { condition: condition, body: body }) = higher::While::hir(expr) - && let ExprKind::Path(ref qpath) = condition.kind - && match_qpath(qpath, &["a"]) && let ExprKind::Block(block, None) = body.kind && block.stmts.len() == 1 && let StmtKind::Semi(e) = block.stmts[0].kind @@ -77,10 +73,8 @@ if let Some(higher::While { condition: condition, body: body }) = higher::While: } if let Some(higher::WhileLet { let_pat: let_pat, let_expr: let_expr, if_then: if_then }) = higher::WhileLet::hir(expr) && let PatKind::Expr(lit_expr) = let_pat.kind - && let PatExprKind::Lit{ref lit, negated } = lit_expr.kind + && let PatExprKind::Lit { ref lit, negated } = lit_expr.kind && let LitKind::Bool(true) = lit.node - && let ExprKind::Path(ref qpath) = let_expr.kind - && match_qpath(qpath, &["a"]) && let ExprKind::Block(block, None) = if_then.kind && block.stmts.len() == 1 && let StmtKind::Semi(e) = block.stmts[0].kind diff --git a/src/tools/clippy/tests/ui/author/macro_in_closure.stdout b/src/tools/clippy/tests/ui/author/macro_in_closure.stdout index 3186d0cbc27..5f8a4ce2363 100644 --- a/src/tools/clippy/tests/ui/author/macro_in_closure.stdout +++ b/src/tools/clippy/tests/ui/author/macro_in_closure.stdout @@ -7,12 +7,10 @@ if let StmtKind::Let(local) = stmt.kind && block.stmts.len() == 1 && let StmtKind::Semi(e) = block.stmts[0].kind && let ExprKind::Call(func, args) = e.kind - && let ExprKind::Path(ref qpath) = func.kind - && match_qpath(qpath, &["$crate", "io", "_print"]) + && paths::STD_IO_STDIO__PRINT.matches_path(cx, func) // Add the path to `clippy_utils::paths` if needed && args.len() == 1 && let ExprKind::Call(func1, args1) = args[0].kind - && let ExprKind::Path(ref qpath1) = func1.kind - && match_qpath(qpath1, &["format_arguments", "new_v1"]) + && paths::CORE_FMT_RT_NEW_V1.matches_path(cx, func1) // Add the path to `clippy_utils::paths` if needed && args1.len() == 2 && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = args1[0].kind && let ExprKind::Array(elements) = inner.kind @@ -27,12 +25,9 @@ if let StmtKind::Let(local) = stmt.kind && let ExprKind::Array(elements1) = inner1.kind && elements1.len() == 1 && let ExprKind::Call(func2, args2) = elements1[0].kind - && let ExprKind::Path(ref qpath2) = func2.kind - && match_qpath(qpath2, &["format_argument", "new_display"]) + && paths::CORE_FMT_RT_ARGUMENT_NEW_DISPLAY.matches_path(cx, func2) // Add the path to `clippy_utils::paths` if needed && args2.len() == 1 && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner2) = args2[0].kind - && let ExprKind::Path(ref qpath3) = inner2.kind - && match_qpath(qpath3, &["x"]) && block.expr.is_none() && let PatKind::Binding(BindingMode::NONE, _, name, None) = local.pat.kind && name.as_str() == "print_text" diff --git a/src/tools/clippy/tests/ui/author/macro_in_loop.stdout b/src/tools/clippy/tests/ui/author/macro_in_loop.stdout index 3f9be297c33..ecc25254311 100644 --- a/src/tools/clippy/tests/ui/author/macro_in_loop.stdout +++ b/src/tools/clippy/tests/ui/author/macro_in_loop.stdout @@ -17,12 +17,10 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo && block1.stmts.len() == 1 && let StmtKind::Semi(e1) = block1.stmts[0].kind && let ExprKind::Call(func, args) = e1.kind - && let ExprKind::Path(ref qpath1) = func.kind - && match_qpath(qpath1, &["$crate", "io", "_print"]) + && paths::STD_IO_STDIO__PRINT.matches_path(cx, func) // Add the path to `clippy_utils::paths` if needed && args.len() == 1 && let ExprKind::Call(func1, args1) = args[0].kind - && let ExprKind::Path(ref qpath2) = func1.kind - && match_qpath(qpath2, &["format_arguments", "new_v1"]) + && paths::CORE_FMT_RT_NEW_V1.matches_path(cx, func1) // Add the path to `clippy_utils::paths` if needed && args1.len() == 2 && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = args1[0].kind && let ExprKind::Array(elements) = inner.kind @@ -37,12 +35,9 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo && let ExprKind::Array(elements1) = inner1.kind && elements1.len() == 1 && let ExprKind::Call(func2, args2) = elements1[0].kind - && let ExprKind::Path(ref qpath3) = func2.kind - && match_qpath(qpath3, &["format_argument", "new_display"]) + && paths::CORE_FMT_RT_ARGUMENT_NEW_DISPLAY.matches_path(cx, func2) // Add the path to `clippy_utils::paths` if needed && args2.len() == 1 && let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner2) = args2[0].kind - && let ExprKind::Path(ref qpath4) = inner2.kind - && match_qpath(qpath4, &["i"]) && block1.expr.is_none() && block.expr.is_none() { diff --git a/src/tools/clippy/tests/ui/author/matches.stdout b/src/tools/clippy/tests/ui/author/matches.stdout index acb3b140dfa..9752d7a9f99 100644 --- a/src/tools/clippy/tests/ui/author/matches.stdout +++ b/src/tools/clippy/tests/ui/author/matches.stdout @@ -5,13 +5,13 @@ if let StmtKind::Let(local) = stmt.kind && let LitKind::Int(42, LitIntType::Unsuffixed) = lit.node && arms.len() == 3 && let PatKind::Expr(lit_expr) = arms[0].pat.kind - && let PatExprKind::Lit{ref lit1, negated } = lit_expr.kind + && let PatExprKind::Lit { ref lit1, negated } = lit_expr.kind && let LitKind::Int(16, LitIntType::Unsuffixed) = lit1.node && arms[0].guard.is_none() && let ExprKind::Lit(ref lit2) = arms[0].body.kind && let LitKind::Int(5, LitIntType::Unsuffixed) = lit2.node && let PatKind::Expr(lit_expr1) = arms[1].pat.kind - && let PatExprKind::Lit{ref lit3, negated1 } = lit_expr1.kind + && let PatExprKind::Lit { ref lit3, negated1 } = lit_expr1.kind && let LitKind::Int(17, LitIntType::Unsuffixed) = lit3.node && arms[1].guard.is_none() && let ExprKind::Block(block, None) = arms[1].body.kind @@ -23,8 +23,6 @@ if let StmtKind::Let(local) = stmt.kind && let PatKind::Binding(BindingMode::NONE, _, name, None) = local1.pat.kind && name.as_str() == "x" && let Some(trailing_expr) = block.expr - && let ExprKind::Path(ref qpath) = trailing_expr.kind - && match_qpath(qpath, &["x"]) && let PatKind::Wild = arms[2].pat.kind && arms[2].guard.is_none() && let ExprKind::Lit(ref lit5) = arms[2].body.kind diff --git a/src/tools/clippy/tests/ui/author/struct.stdout b/src/tools/clippy/tests/ui/author/struct.stdout index b66bbccb3cf..1e8fbafd30c 100644 --- a/src/tools/clippy/tests/ui/author/struct.stdout +++ b/src/tools/clippy/tests/ui/author/struct.stdout @@ -1,5 +1,4 @@ if let ExprKind::Struct(qpath, fields, None) = expr.kind - && match_qpath(qpath, &["Test"]) && fields.len() == 1 && fields[0].ident.as_str() == "field" && let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind @@ -20,11 +19,10 @@ if let ExprKind::Struct(qpath, fields, None) = expr.kind // report your lint here } if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind - && match_qpath(qpath, &["Test"]) && fields.len() == 1 && fields[0].ident.as_str() == "field" && let PatKind::Expr(lit_expr) = fields[0].pat.kind - && let PatExprKind::Lit{ref lit, negated } = lit_expr.kind + && let PatExprKind::Lit { ref lit, negated } = lit_expr.kind && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node && arm.guard.is_none() && let ExprKind::Block(block, None) = arm.body.kind @@ -34,10 +32,9 @@ if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind // report your lint here } if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind - && match_qpath(qpath, &["TestTuple"]) && fields.len() == 1 && let PatKind::Expr(lit_expr) = fields[0].kind - && let PatExprKind::Lit{ref lit, negated } = lit_expr.kind + && let PatExprKind::Lit { ref lit, negated } = lit_expr.kind && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node && arm.guard.is_none() && let ExprKind::Block(block, None) = arm.body.kind @@ -48,8 +45,6 @@ if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind } if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind && method_name.ident.as_str() == "test" - && let ExprKind::Path(ref qpath) = receiver.kind - && match_qpath(qpath, &["test_method_call"]) && args.is_empty() { // report your lint here 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 e72d6b6cead..4c61c5accd3 100644 --- a/src/tools/clippy/tests/ui/auxiliary/proc_macro_attr.rs +++ b/src/tools/clippy/tests/ui/auxiliary/proc_macro_attr.rs @@ -51,14 +51,14 @@ pub fn rename_my_lifetimes(_args: TokenStream, input: TokenStream) -> TokenStrea fn mut_receiver_of(sig: &mut Signature) -> Option<&mut FnArg> { let arg = sig.inputs.first_mut()?; - if let FnArg::Typed(PatType { pat, .. }) = arg { - if let Pat::Ident(PatIdent { ident, .. }) = &**pat { - if ident == "self" { - return Some(arg); - } - } + if let FnArg::Typed(PatType { pat, .. }) = arg + && let Pat::Ident(PatIdent { ident, .. }) = &**pat + && ident == "self" + { + Some(arg) + } else { + None } - None } let mut elided = 0; @@ -66,30 +66,29 @@ pub fn rename_my_lifetimes(_args: TokenStream, input: TokenStream) -> TokenStrea // Look for methods having arbitrary self type taken by &mut ref for inner in &mut item.items { - if let ImplItem::Fn(method) = inner { - if let Some(FnArg::Typed(pat_type)) = mut_receiver_of(&mut method.sig) { - if let box Type::Reference(reference) = &mut pat_type.ty { - // Target only unnamed lifetimes - let name = match &reference.lifetime { - Some(lt) if lt.ident == "_" => make_name(elided), - None => make_name(elided), - _ => continue, - }; - elided += 1; - - // HACK: Syn uses `Span` from the proc_macro2 crate, and does not seem to reexport it. - // In order to avoid adding the dependency, get a default span from a nonexistent token. - // A default span is needed to mark the code as coming from expansion. - let span = Star::default().span(); - - // Replace old lifetime with the named one - let lifetime = Lifetime::new(&name, span); - reference.lifetime = Some(parse_quote!(#lifetime)); - - // Add lifetime to the generics of the method - method.sig.generics.params.push(parse_quote!(#lifetime)); - } - } + if let ImplItem::Fn(method) = inner + && let Some(FnArg::Typed(pat_type)) = mut_receiver_of(&mut method.sig) + && let box Type::Reference(reference) = &mut pat_type.ty + { + // Target only unnamed lifetimes + let name = match &reference.lifetime { + Some(lt) if lt.ident == "_" => make_name(elided), + None => make_name(elided), + _ => continue, + }; + elided += 1; + + // HACK: Syn uses `Span` from the proc_macro2 crate, and does not seem to reexport it. + // In order to avoid adding the dependency, get a default span from a nonexistent token. + // A default span is needed to mark the code as coming from expansion. + let span = Star::default().span(); + + // Replace old lifetime with the named one + let lifetime = Lifetime::new(&name, span); + reference.lifetime = Some(parse_quote!(#lifetime)); + + // Add lifetime to the generics of the method + method.sig.generics.params.push(parse_quote!(#lifetime)); } } @@ -129,15 +128,15 @@ pub fn fake_desugar_await(_args: TokenStream, input: TokenStream) -> TokenStream let mut async_fn = parse_macro_input!(input as syn::ItemFn); for stmt in &mut async_fn.block.stmts { - if let syn::Stmt::Expr(syn::Expr::Match(syn::ExprMatch { expr: scrutinee, .. }), _) = stmt { - if let syn::Expr::Await(syn::ExprAwait { base, await_token, .. }) = scrutinee.as_mut() { - let blc = quote_spanned!( await_token.span => { - #[allow(clippy::let_and_return)] - let __pinned = #base; - __pinned - }); - *scrutinee = parse_quote!(#blc); - } + if let syn::Stmt::Expr(syn::Expr::Match(syn::ExprMatch { expr: scrutinee, .. }), _) = stmt + && let syn::Expr::Await(syn::ExprAwait { base, await_token, .. }) = scrutinee.as_mut() + { + let blc = quote_spanned!( await_token.span => { + #[allow(clippy::let_and_return)] + let __pinned = #base; + __pinned + }); + *scrutinee = parse_quote!(#blc); } } diff --git a/src/tools/clippy/tests/ui/auxiliary/proc_macros.rs b/src/tools/clippy/tests/ui/auxiliary/proc_macros.rs index 7a4cc4fa9ee..bb55539617f 100644 --- a/src/tools/clippy/tests/ui/auxiliary/proc_macros.rs +++ b/src/tools/clippy/tests/ui/auxiliary/proc_macros.rs @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![feature(proc_macro_span)] #![allow(clippy::needless_if, dead_code)] diff --git a/src/tools/clippy/tests/ui/bool_to_int_with_if.fixed b/src/tools/clippy/tests/ui/bool_to_int_with_if.fixed index ed6141244b4..7fa7c016f93 100644 --- a/src/tools/clippy/tests/ui/bool_to_int_with_if.fixed +++ b/src/tools/clippy/tests/ui/bool_to_int_with_if.fixed @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![warn(clippy::bool_to_int_with_if)] #![allow(unused, dead_code, clippy::unnecessary_operation, clippy::no_effect)] diff --git a/src/tools/clippy/tests/ui/bool_to_int_with_if.rs b/src/tools/clippy/tests/ui/bool_to_int_with_if.rs index 3f1f1c766e4..2295d6f1362 100644 --- a/src/tools/clippy/tests/ui/bool_to_int_with_if.rs +++ b/src/tools/clippy/tests/ui/bool_to_int_with_if.rs @@ -1,4 +1,3 @@ -#![feature(let_chains)] #![warn(clippy::bool_to_int_with_if)] #![allow(unused, dead_code, clippy::unnecessary_operation, clippy::no_effect)] diff --git a/src/tools/clippy/tests/ui/bool_to_int_with_if.stderr b/src/tools/clippy/tests/ui/bool_to_int_with_if.stderr index 94089bc6dc8..e4ae5730414 100644 --- a/src/tools/clippy/tests/ui/bool_to_int_with_if.stderr +++ b/src/tools/clippy/tests/ui/bool_to_int_with_if.stderr @@ -1,5 +1,5 @@ error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:14:5 + --> tests/ui/bool_to_int_with_if.rs:13:5 | LL | / if a { LL | | @@ -14,7 +14,7 @@ LL | | }; = help: to override `-D warnings` add `#[allow(clippy::bool_to_int_with_if)]` error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:20:5 + --> tests/ui/bool_to_int_with_if.rs:19:5 | LL | / if a { LL | | @@ -27,7 +27,7 @@ LL | | }; = note: `!a as i32` or `(!a).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:26:5 + --> tests/ui/bool_to_int_with_if.rs:25:5 | LL | / if !a { LL | | @@ -40,7 +40,7 @@ LL | | }; = note: `!a as i32` or `(!a).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:32:5 + --> tests/ui/bool_to_int_with_if.rs:31:5 | LL | / if a || b { LL | | @@ -53,7 +53,7 @@ LL | | }; = note: `(a || b) as i32` or `(a || b).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:38:5 + --> tests/ui/bool_to_int_with_if.rs:37:5 | LL | / if cond(a, b) { LL | | @@ -66,7 +66,7 @@ LL | | }; = note: `cond(a, b) as i32` or `cond(a, b).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:44:5 + --> tests/ui/bool_to_int_with_if.rs:43:5 | LL | / if x + y < 4 { LL | | @@ -79,7 +79,7 @@ LL | | }; = note: `(x + y < 4) as i32` or `(x + y < 4).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:54:12 + --> tests/ui/bool_to_int_with_if.rs:53:12 | LL | } else if b { | ____________^ @@ -93,7 +93,7 @@ LL | | }; = note: `b as i32` or `b.into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:64:12 + --> tests/ui/bool_to_int_with_if.rs:63:12 | LL | } else if b { | ____________^ @@ -107,7 +107,7 @@ LL | | }; = note: `!b as i32` or `(!b).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:130:5 + --> tests/ui/bool_to_int_with_if.rs:129:5 | LL | if a { 1 } else { 0 } | ^^^^^^^^^^^^^^^^^^^^^ help: replace with from: `u8::from(a)` @@ -115,7 +115,7 @@ LL | if a { 1 } else { 0 } = note: `a as u8` or `a.into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:174:13 + --> tests/ui/bool_to_int_with_if.rs:173:13 | LL | let _ = if dbg!(4 > 0) { 1 } else { 0 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with from: `i32::from(dbg!(4 > 0))` @@ -123,7 +123,7 @@ LL | let _ = if dbg!(4 > 0) { 1 } else { 0 }; = note: `dbg!(4 > 0) as i32` or `dbg!(4 > 0).into()` can also be valid options error: boolean to int conversion using if - --> tests/ui/bool_to_int_with_if.rs:177:18 + --> tests/ui/bool_to_int_with_if.rs:176:18 | LL | let _ = dbg!(if 4 > 0 { 1 } else { 0 }); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with from: `i32::from(4 > 0)` 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 4101897d380..ba0d36d85fe 100644 --- a/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.rs +++ b/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.rs @@ -188,6 +188,91 @@ fn issue11371() { } } +fn gen_option() -> Option<()> { + Some(()) + // Or None +} + +fn gen_result() -> Result<(), ()> { + Ok(()) + // Or Err(()) +} + +fn issue14725() { + let option = Some(()); + + if option.is_some() { + let _ = option.as_ref().unwrap(); + //~^ unnecessary_unwrap + } else { + let _ = option.as_ref().unwrap(); + //~^ panicking_unwrap + } + + let result = Ok::<(), ()>(()); + + if result.is_ok() { + let _y = 1; + result.as_ref().unwrap(); + //~^ unnecessary_unwrap + } else { + let _y = 1; + result.as_ref().unwrap(); + //~^ panicking_unwrap + } + + let mut option = Some(()); + if option.is_some() { + option = gen_option(); + option.as_mut().unwrap(); + } else { + option = gen_option(); + option.as_mut().unwrap(); + } + + let mut result = Ok::<(), ()>(()); + if result.is_ok() { + result = gen_result(); + result.as_mut().unwrap(); + } else { + result = gen_result(); + result.as_mut().unwrap(); + } +} + +fn issue14763(x: Option<String>, r: Result<(), ()>) { + _ = || { + if x.is_some() { + _ = x.unwrap(); + //~^ unnecessary_unwrap + } else { + _ = x.unwrap(); + //~^ panicking_unwrap + } + }; + _ = || { + if r.is_ok() { + _ = r.as_ref().unwrap(); + //~^ unnecessary_unwrap + } else { + _ = r.as_ref().unwrap(); + //~^ panicking_unwrap + } + }; +} + +const ISSUE14763: fn(Option<String>) = |x| { + _ = || { + if x.is_some() { + _ = x.unwrap(); + //~^ unnecessary_unwrap + } else { + _ = x.unwrap(); + //~^ panicking_unwrap + } + } +}; + fn check_expect() { let x = Some(()); if x.is_some() { diff --git a/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.stderr b/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.stderr index ad3c420270c..a4bf0099244 100644 --- a/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.stderr +++ b/src/tools/clippy/tests/ui/checked_unwrap/simple_conditionals.stderr @@ -236,6 +236,92 @@ LL | if result.is_ok() { LL | result.as_mut().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^ +error: called `unwrap` on `option` after checking its variant with `is_some` + --> tests/ui/checked_unwrap/simple_conditionals.rs:205:17 + | +LL | if option.is_some() { + | ------------------- help: try: `if let Some(<item>) = &option` +LL | let _ = option.as_ref().unwrap(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: this call to `unwrap()` will always panic + --> tests/ui/checked_unwrap/simple_conditionals.rs:208:17 + | +LL | if option.is_some() { + | ---------------- because of this check +... +LL | let _ = option.as_ref().unwrap(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: called `unwrap` on `result` after checking its variant with `is_ok` + --> tests/ui/checked_unwrap/simple_conditionals.rs:216:9 + | +LL | if result.is_ok() { + | ----------------- help: try: `if let Ok(<item>) = &result` +LL | let _y = 1; +LL | result.as_ref().unwrap(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: this call to `unwrap()` will always panic + --> tests/ui/checked_unwrap/simple_conditionals.rs:220:9 + | +LL | if result.is_ok() { + | -------------- because of this check +... +LL | result.as_ref().unwrap(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: called `unwrap` on `x` after checking its variant with `is_some` + --> tests/ui/checked_unwrap/simple_conditionals.rs:246:17 + | +LL | if x.is_some() { + | -------------- help: try: `if let Some(<item>) = x` +LL | _ = x.unwrap(); + | ^^^^^^^^^^ + +error: this call to `unwrap()` will always panic + --> tests/ui/checked_unwrap/simple_conditionals.rs:249:17 + | +LL | if x.is_some() { + | ----------- because of this check +... +LL | _ = x.unwrap(); + | ^^^^^^^^^^ + +error: called `unwrap` on `r` after checking its variant with `is_ok` + --> tests/ui/checked_unwrap/simple_conditionals.rs:255:17 + | +LL | if r.is_ok() { + | ------------ help: try: `if let Ok(<item>) = &r` +LL | _ = r.as_ref().unwrap(); + | ^^^^^^^^^^^^^^^^^^^ + +error: this call to `unwrap()` will always panic + --> tests/ui/checked_unwrap/simple_conditionals.rs:258:17 + | +LL | if r.is_ok() { + | --------- because of this check +... +LL | _ = r.as_ref().unwrap(); + | ^^^^^^^^^^^^^^^^^^^ + +error: called `unwrap` on `x` after checking its variant with `is_some` + --> tests/ui/checked_unwrap/simple_conditionals.rs:267:17 + | +LL | if x.is_some() { + | -------------- help: try: `if let Some(<item>) = x` +LL | _ = x.unwrap(); + | ^^^^^^^^^^ + +error: this call to `unwrap()` will always panic + --> tests/ui/checked_unwrap/simple_conditionals.rs:270:17 + | +LL | if x.is_some() { + | ----------- because of this check +... +LL | _ = x.unwrap(); + | ^^^^^^^^^^ + error: creating a shared reference to mutable static --> tests/ui/checked_unwrap/simple_conditionals.rs:183:12 | @@ -246,5 +332,5 @@ LL | if X.is_some() { = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives = note: `#[deny(static_mut_refs)]` on by default -error: aborting due to 26 previous errors +error: aborting due to 36 previous errors diff --git a/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.fixed b/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.fixed new file mode 100644 index 00000000000..818c6e23259 --- /dev/null +++ b/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.fixed @@ -0,0 +1,64 @@ +#![warn(clippy::cloned_ref_to_slice_refs)] + +#[derive(Clone)] +struct Data; + +fn main() { + { + let data = Data; + let data_ref = &data; + let _ = std::slice::from_ref(data_ref); //~ ERROR: this call to `clone` can be replaced with `std::slice::from_ref` + } + + { + let _ = std::slice::from_ref(&Data); //~ ERROR: this call to `clone` can be replaced with `std::slice::from_ref` + } + + { + #[derive(Clone)] + struct Point(i32, i32); + + let _ = std::slice::from_ref(&Point(0, 0)); //~ ERROR: this call to `clone` can be replaced with `std::slice::from_ref` + } + + // the string was cloned with the intention to not mutate + { + struct BetterString(String); + + let mut message = String::from("good"); + let sender = BetterString(message.clone()); + + message.push_str("bye!"); + + println!("{} {}", message, sender.0) + } + + // the string was cloned with the intention to not mutate + { + let mut x = String::from("Hello"); + let r = &[x.clone()]; + x.push('!'); + println!("r = `{}', x = `{x}'", r[0]); + } + + // mutable borrows may have the intention to clone + { + let data = Data; + let data_ref = &data; + let _ = &mut [data_ref.clone()]; + } + + // `T::clone` is used to denote a clone with side effects + { + use std::sync::Arc; + let data = Arc::new(Data); + let _ = &[Arc::clone(&data)]; + } + + // slices with multiple members can only be made from a singular reference + { + let data_1 = Data; + let data_2 = Data; + let _ = &[data_1.clone(), data_2.clone()]; + } +} diff --git a/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.rs b/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.rs new file mode 100644 index 00000000000..9517dbfd156 --- /dev/null +++ b/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.rs @@ -0,0 +1,64 @@ +#![warn(clippy::cloned_ref_to_slice_refs)] + +#[derive(Clone)] +struct Data; + +fn main() { + { + let data = Data; + let data_ref = &data; + let _ = &[data_ref.clone()]; //~ ERROR: this call to `clone` can be replaced with `std::slice::from_ref` + } + + { + let _ = &[Data.clone()]; //~ ERROR: this call to `clone` can be replaced with `std::slice::from_ref` + } + + { + #[derive(Clone)] + struct Point(i32, i32); + + let _ = &[Point(0, 0).clone()]; //~ ERROR: this call to `clone` can be replaced with `std::slice::from_ref` + } + + // the string was cloned with the intention to not mutate + { + struct BetterString(String); + + let mut message = String::from("good"); + let sender = BetterString(message.clone()); + + message.push_str("bye!"); + + println!("{} {}", message, sender.0) + } + + // the string was cloned with the intention to not mutate + { + let mut x = String::from("Hello"); + let r = &[x.clone()]; + x.push('!'); + println!("r = `{}', x = `{x}'", r[0]); + } + + // mutable borrows may have the intention to clone + { + let data = Data; + let data_ref = &data; + let _ = &mut [data_ref.clone()]; + } + + // `T::clone` is used to denote a clone with side effects + { + use std::sync::Arc; + let data = Arc::new(Data); + let _ = &[Arc::clone(&data)]; + } + + // slices with multiple members can only be made from a singular reference + { + let data_1 = Data; + let data_2 = Data; + let _ = &[data_1.clone(), data_2.clone()]; + } +} diff --git a/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.stderr b/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.stderr new file mode 100644 index 00000000000..6a31d878239 --- /dev/null +++ b/src/tools/clippy/tests/ui/cloned_ref_to_slice_refs.stderr @@ -0,0 +1,23 @@ +error: this call to `clone` can be replaced with `std::slice::from_ref` + --> tests/ui/cloned_ref_to_slice_refs.rs:10:17 + | +LL | let _ = &[data_ref.clone()]; + | ^^^^^^^^^^^^^^^^^^^ help: try: `std::slice::from_ref(data_ref)` + | + = note: `-D clippy::cloned-ref-to-slice-refs` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::cloned_ref_to_slice_refs)]` + +error: this call to `clone` can be replaced with `std::slice::from_ref` + --> tests/ui/cloned_ref_to_slice_refs.rs:14:17 + | +LL | let _ = &[Data.clone()]; + | ^^^^^^^^^^^^^^^ help: try: `std::slice::from_ref(&Data)` + +error: this call to `clone` can be replaced with `std::slice::from_ref` + --> tests/ui/cloned_ref_to_slice_refs.rs:21:17 + | +LL | let _ = &[Point(0, 0).clone()]; + | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::slice::from_ref(&Point(0, 0))` + +error: aborting due to 3 previous errors + diff --git a/src/tools/clippy/tests/ui/collapsible_if.fixed b/src/tools/clippy/tests/ui/collapsible_if.fixed index e1ceb04f9cb..b553182a445 100644 --- a/src/tools/clippy/tests/ui/collapsible_if.fixed +++ b/src/tools/clippy/tests/ui/collapsible_if.fixed @@ -101,27 +101,8 @@ fn main() { } } - // Test behavior wrt. `let_chains`. - // None of the cases below should be collapsed. fn truth() -> bool { true } - // Prefix: - if let 0 = 1 { - if truth() {} - } - - // Suffix: - if truth() { - if let 0 = 1 {} - } - - // Midfix: - if truth() { - if let 0 = 1 { - if truth() {} - } - } - // Fix #5962 if matches!(true, true) && matches!(true, true) {} @@ -162,3 +143,14 @@ fn layout_check() -> u32 { ; 3 //~^^^^^ collapsible_if } + +fn issue14722() { + let x = if true { + Some(1) + } else { + if true { + println!("Some debug information"); + }; + None + }; +} diff --git a/src/tools/clippy/tests/ui/collapsible_if.rs b/src/tools/clippy/tests/ui/collapsible_if.rs index 0b996dca22e..f5998457ca6 100644 --- a/src/tools/clippy/tests/ui/collapsible_if.rs +++ b/src/tools/clippy/tests/ui/collapsible_if.rs @@ -108,27 +108,8 @@ fn main() { } } - // Test behavior wrt. `let_chains`. - // None of the cases below should be collapsed. fn truth() -> bool { true } - // Prefix: - if let 0 = 1 { - if truth() {} - } - - // Suffix: - if truth() { - if let 0 = 1 {} - } - - // Midfix: - if truth() { - if let 0 = 1 { - if truth() {} - } - } - // Fix #5962 if matches!(true, true) { if matches!(true, true) {} @@ -172,3 +153,14 @@ fn layout_check() -> u32 { }; 3 //~^^^^^ collapsible_if } + +fn issue14722() { + let x = if true { + Some(1) + } else { + if true { + println!("Some debug information"); + }; + None + }; +} diff --git a/src/tools/clippy/tests/ui/collapsible_if.stderr b/src/tools/clippy/tests/ui/collapsible_if.stderr index 53281146239..32c6b019403 100644 --- a/src/tools/clippy/tests/ui/collapsible_if.stderr +++ b/src/tools/clippy/tests/ui/collapsible_if.stderr @@ -127,7 +127,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:133:5 + --> tests/ui/collapsible_if.rs:114:5 | LL | / if matches!(true, true) { LL | | if matches!(true, true) {} @@ -141,7 +141,7 @@ LL ~ && matches!(true, true) {} | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:139:5 + --> tests/ui/collapsible_if.rs:120:5 | LL | / if matches!(true, true) && truth() { LL | | if matches!(true, true) {} @@ -155,7 +155,7 @@ LL ~ && matches!(true, true) {} | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:151:5 + --> tests/ui/collapsible_if.rs:132:5 | LL | / if true { LL | | if true { @@ -173,7 +173,7 @@ LL ~ } | error: this `if` statement can be collapsed - --> tests/ui/collapsible_if.rs:168:5 + --> tests/ui/collapsible_if.rs:149:5 | LL | / if true { LL | | if true { diff --git a/src/tools/clippy/tests/ui/collapsible_if_let_chains.edition2024.fixed b/src/tools/clippy/tests/ui/collapsible_if_let_chains.edition2024.fixed new file mode 100644 index 00000000000..ad08c21ba9e --- /dev/null +++ b/src/tools/clippy/tests/ui/collapsible_if_let_chains.edition2024.fixed @@ -0,0 +1,68 @@ +//@revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2021] check-pass + +#![warn(clippy::collapsible_if)] + +fn main() { + if let Some(a) = Some(3) { + // with comment, so do not lint + if let Some(b) = Some(4) { + let _ = a + b; + } + } + + //~[edition2024]v collapsible_if + if let Some(a) = Some(3) + && let Some(b) = Some(4) { + let _ = a + b; + } + + //~[edition2024]v collapsible_if + if let Some(a) = Some(3) + && a + 1 == 4 { + let _ = a; + } + + //~[edition2024]v collapsible_if + if Some(3) == Some(4).map(|x| x - 1) + && let Some(b) = Some(4) { + let _ = b; + } + + fn truth() -> bool { + true + } + + // Prefix: + //~[edition2024]v collapsible_if + if let 0 = 1 + && truth() {} + + // Suffix: + //~[edition2024]v collapsible_if + if truth() + && let 0 = 1 {} + + // Midfix: + //~[edition2024]vvv collapsible_if + //~[edition2024]v collapsible_if + if truth() + && let 0 = 1 + && truth() {} +} + +#[clippy::msrv = "1.87.0"] +fn msrv_1_87() { + if let 0 = 1 { + if true {} + } +} + +#[clippy::msrv = "1.88.0"] +fn msrv_1_88() { + //~[edition2024]v collapsible_if + if let 0 = 1 + && true {} +} diff --git a/src/tools/clippy/tests/ui/collapsible_if_let_chains.edition2024.stderr b/src/tools/clippy/tests/ui/collapsible_if_let_chains.edition2024.stderr new file mode 100644 index 00000000000..b0aa3cecadb --- /dev/null +++ b/src/tools/clippy/tests/ui/collapsible_if_let_chains.edition2024.stderr @@ -0,0 +1,132 @@ +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:17:5 + | +LL | / if let Some(a) = Some(3) { +LL | | if let Some(b) = Some(4) { +LL | | let _ = a + b; +LL | | } +LL | | } + | |_____^ + | + = note: `-D clippy::collapsible-if` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::collapsible_if)]` +help: collapse nested if block + | +LL ~ if let Some(a) = Some(3) +LL ~ && let Some(b) = Some(4) { +LL | let _ = a + b; +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:24:5 + | +LL | / if let Some(a) = Some(3) { +LL | | if a + 1 == 4 { +LL | | let _ = a; +LL | | } +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if let Some(a) = Some(3) +LL ~ && a + 1 == 4 { +LL | let _ = a; +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:31:5 + | +LL | / if Some(3) == Some(4).map(|x| x - 1) { +LL | | if let Some(b) = Some(4) { +LL | | let _ = b; +LL | | } +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if Some(3) == Some(4).map(|x| x - 1) +LL ~ && let Some(b) = Some(4) { +LL | let _ = b; +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:43:5 + | +LL | / if let 0 = 1 { +LL | | if truth() {} +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if let 0 = 1 +LL ~ && truth() {} + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:49:5 + | +LL | / if truth() { +LL | | if let 0 = 1 {} +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if truth() +LL ~ && let 0 = 1 {} + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:56:5 + | +LL | / if truth() { +LL | | if let 0 = 1 { +LL | | if truth() {} +LL | | } +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if truth() +LL ~ && let 0 = 1 { +LL | if truth() {} +LL ~ } + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:57:9 + | +LL | / if let 0 = 1 { +LL | | if truth() {} +LL | | } + | |_________^ + | +help: collapse nested if block + | +LL ~ if let 0 = 1 +LL ~ && truth() {} + | + +error: this `if` statement can be collapsed + --> tests/ui/collapsible_if_let_chains.rs:73:5 + | +LL | / if let 0 = 1 { +LL | | if true {} +LL | | } + | |_____^ + | +help: collapse nested if block + | +LL ~ if let 0 = 1 +LL ~ && true {} + | + +error: aborting due to 8 previous errors + diff --git a/src/tools/clippy/tests/ui/collapsible_if_let_chains.fixed b/src/tools/clippy/tests/ui/collapsible_if_let_chains.fixed deleted file mode 100644 index 3dd9498a4c9..00000000000 --- a/src/tools/clippy/tests/ui/collapsible_if_let_chains.fixed +++ /dev/null @@ -1,29 +0,0 @@ -#![feature(let_chains)] -#![warn(clippy::collapsible_if)] - -fn main() { - if let Some(a) = Some(3) { - // with comment, so do not lint - if let Some(b) = Some(4) { - let _ = a + b; - } - } - - if let Some(a) = Some(3) - && let Some(b) = Some(4) { - let _ = a + b; - } - //~^^^^^ collapsible_if - - if let Some(a) = Some(3) - && a + 1 == 4 { - let _ = a; - } - //~^^^^^ collapsible_if - - if Some(3) == Some(4).map(|x| x - 1) - && let Some(b) = Some(4) { - let _ = b; - } - //~^^^^^ collapsible_if -} diff --git a/src/tools/clippy/tests/ui/collapsible_if_let_chains.rs b/src/tools/clippy/tests/ui/collapsible_if_let_chains.rs index 064b9a0be48..b2e88b1a556 100644 --- a/src/tools/clippy/tests/ui/collapsible_if_let_chains.rs +++ b/src/tools/clippy/tests/ui/collapsible_if_let_chains.rs @@ -1,4 +1,8 @@ -#![feature(let_chains)] +//@revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2021] check-pass + #![warn(clippy::collapsible_if)] fn main() { @@ -9,24 +13,64 @@ fn main() { } } + //~[edition2024]v collapsible_if if let Some(a) = Some(3) { if let Some(b) = Some(4) { let _ = a + b; } } - //~^^^^^ collapsible_if + //~[edition2024]v collapsible_if if let Some(a) = Some(3) { if a + 1 == 4 { let _ = a; } } - //~^^^^^ collapsible_if + //~[edition2024]v collapsible_if if Some(3) == Some(4).map(|x| x - 1) { if let Some(b) = Some(4) { let _ = b; } } - //~^^^^^ collapsible_if + + fn truth() -> bool { + true + } + + // Prefix: + //~[edition2024]v collapsible_if + if let 0 = 1 { + if truth() {} + } + + // Suffix: + //~[edition2024]v collapsible_if + if truth() { + if let 0 = 1 {} + } + + // Midfix: + //~[edition2024]vvv collapsible_if + //~[edition2024]v collapsible_if + if truth() { + if let 0 = 1 { + if truth() {} + } + } +} + +#[clippy::msrv = "1.87.0"] +fn msrv_1_87() { + if let 0 = 1 { + if true {} + } +} + +#[clippy::msrv = "1.88.0"] +fn msrv_1_88() { + //~[edition2024]v collapsible_if + if let 0 = 1 { + if true {} + } } diff --git a/src/tools/clippy/tests/ui/collapsible_if_let_chains.stderr b/src/tools/clippy/tests/ui/collapsible_if_let_chains.stderr deleted file mode 100644 index 64a88114c47..00000000000 --- a/src/tools/clippy/tests/ui/collapsible_if_let_chains.stderr +++ /dev/null @@ -1,58 +0,0 @@ -error: this `if` statement can be collapsed - --> tests/ui/collapsible_if_let_chains.rs:12:5 - | -LL | / if let Some(a) = Some(3) { -LL | | if let Some(b) = Some(4) { -LL | | let _ = a + b; -LL | | } -LL | | } - | |_____^ - | - = note: `-D clippy::collapsible-if` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::collapsible_if)]` -help: collapse nested if block - | -LL ~ if let Some(a) = Some(3) -LL ~ && let Some(b) = Some(4) { -LL | let _ = a + b; -LL ~ } - | - -error: this `if` statement can be collapsed - --> tests/ui/collapsible_if_let_chains.rs:19:5 - | -LL | / if let Some(a) = Some(3) { -LL | | if a + 1 == 4 { -LL | | let _ = a; -LL | | } -LL | | } - | |_____^ - | -help: collapse nested if block - | -LL ~ if let Some(a) = Some(3) -LL ~ && a + 1 == 4 { -LL | let _ = a; -LL ~ } - | - -error: this `if` statement can be collapsed - --> tests/ui/collapsible_if_let_chains.rs:26:5 - | -LL | / if Some(3) == Some(4).map(|x| x - 1) { -LL | | if let Some(b) = Some(4) { -LL | | let _ = b; -LL | | } -LL | | } - | |_____^ - | -help: collapse nested if block - | -LL ~ if Some(3) == Some(4).map(|x| x - 1) -LL ~ && let Some(b) = Some(4) { -LL | let _ = b; -LL ~ } - | - -error: aborting due to 3 previous errors - diff --git a/src/tools/clippy/tests/ui/collapsible_match.rs b/src/tools/clippy/tests/ui/collapsible_match.rs index 55ef5584495..71b82040ff6 100644 --- a/src/tools/clippy/tests/ui/collapsible_match.rs +++ b/src/tools/clippy/tests/ui/collapsible_match.rs @@ -1,5 +1,6 @@ #![warn(clippy::collapsible_match)] #![allow( + clippy::collapsible_if, clippy::equatable_if_let, clippy::needless_return, clippy::no_effect, diff --git a/src/tools/clippy/tests/ui/collapsible_match.stderr b/src/tools/clippy/tests/ui/collapsible_match.stderr index 5294a9d6975..c290d84ec29 100644 --- a/src/tools/clippy/tests/ui/collapsible_match.stderr +++ b/src/tools/clippy/tests/ui/collapsible_match.stderr @@ -1,5 +1,5 @@ error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:14:20 + --> tests/ui/collapsible_match.rs:15:20 | LL | Ok(val) => match val { | ____________________^ @@ -10,7 +10,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:14:12 + --> tests/ui/collapsible_match.rs:15:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -21,7 +21,7 @@ LL | Some(n) => foo(n), = help: to override `-D warnings` add `#[allow(clippy::collapsible_match)]` error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:24:20 + --> tests/ui/collapsible_match.rs:25:20 | LL | Ok(val) => match val { | ____________________^ @@ -32,7 +32,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:24:12 + --> tests/ui/collapsible_match.rs:25:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -41,7 +41,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:34:9 + --> tests/ui/collapsible_match.rs:35:9 | LL | / if let Some(n) = val { LL | | @@ -51,7 +51,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:33:15 + --> tests/ui/collapsible_match.rs:34:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -59,7 +59,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:43:9 + --> tests/ui/collapsible_match.rs:44:9 | LL | / if let Some(n) = val { LL | | @@ -71,7 +71,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:42:15 + --> tests/ui/collapsible_match.rs:43:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -79,7 +79,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:56:9 + --> tests/ui/collapsible_match.rs:57:9 | LL | / match val { LL | | @@ -89,7 +89,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:55:15 + --> tests/ui/collapsible_match.rs:56:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -98,7 +98,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:66:13 + --> tests/ui/collapsible_match.rs:67:13 | LL | / if let Some(n) = val { LL | | @@ -108,7 +108,7 @@ LL | | } | |_____________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:65:12 + --> tests/ui/collapsible_match.rs:66:12 | LL | Ok(val) => { | ^^^ replace this binding @@ -116,7 +116,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:77:9 + --> tests/ui/collapsible_match.rs:78:9 | LL | / match val { LL | | @@ -126,7 +126,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:76:15 + --> tests/ui/collapsible_match.rs:77:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -135,7 +135,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:89:13 + --> tests/ui/collapsible_match.rs:90:13 | LL | / if let Some(n) = val { LL | | @@ -147,7 +147,7 @@ LL | | } | |_____________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:88:12 + --> tests/ui/collapsible_match.rs:89:12 | LL | Ok(val) => { | ^^^ replace this binding @@ -155,7 +155,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:102:20 + --> tests/ui/collapsible_match.rs:103:20 | LL | Ok(val) => match val { | ____________________^ @@ -166,7 +166,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:102:12 + --> tests/ui/collapsible_match.rs:103:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -175,7 +175,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:112:22 + --> tests/ui/collapsible_match.rs:113:22 | LL | Some(val) => match val { | ______________________^ @@ -186,7 +186,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:112:14 + --> tests/ui/collapsible_match.rs:113:14 | LL | Some(val) => match val { | ^^^ replace this binding @@ -195,7 +195,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:256:22 + --> tests/ui/collapsible_match.rs:257:22 | LL | Some(val) => match val { | ______________________^ @@ -206,7 +206,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:256:14 + --> tests/ui/collapsible_match.rs:257:14 | LL | Some(val) => match val { | ^^^ replace this binding @@ -215,7 +215,7 @@ LL | E::A(val) | E::B(val) => foo(val), | ^^^^^^^^^^^^^^^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:288:9 + --> tests/ui/collapsible_match.rs:289:9 | LL | / if let Some(u) = a { LL | | @@ -225,7 +225,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:287:27 + --> tests/ui/collapsible_match.rs:288:27 | LL | if let Issue9647::A { a, .. } = x { | ^ replace this binding @@ -233,7 +233,7 @@ LL | if let Some(u) = a { | ^^^^^^^ with this pattern, prefixed by `a`: error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:298:9 + --> tests/ui/collapsible_match.rs:299:9 | LL | / if let Some(u) = a { LL | | @@ -243,7 +243,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:297:35 + --> tests/ui/collapsible_match.rs:298:35 | LL | if let Issue9647::A { a: Some(a), .. } = x { | ^ replace this binding diff --git a/src/tools/clippy/tests/ui/comparison_to_empty.fixed b/src/tools/clippy/tests/ui/comparison_to_empty.fixed index dfbb6168384..7a71829dd62 100644 --- a/src/tools/clippy/tests/ui/comparison_to_empty.fixed +++ b/src/tools/clippy/tests/ui/comparison_to_empty.fixed @@ -1,6 +1,5 @@ #![warn(clippy::comparison_to_empty)] #![allow(clippy::borrow_deref_ref, clippy::needless_if, clippy::useless_vec)] -#![feature(let_chains)] fn main() { // Disallow comparisons to empty diff --git a/src/tools/clippy/tests/ui/comparison_to_empty.rs b/src/tools/clippy/tests/ui/comparison_to_empty.rs index 61cdb2bbe9f..5d213a09e81 100644 --- a/src/tools/clippy/tests/ui/comparison_to_empty.rs +++ b/src/tools/clippy/tests/ui/comparison_to_empty.rs @@ -1,6 +1,5 @@ #![warn(clippy::comparison_to_empty)] #![allow(clippy::borrow_deref_ref, clippy::needless_if, clippy::useless_vec)] -#![feature(let_chains)] fn main() { // Disallow comparisons to empty diff --git a/src/tools/clippy/tests/ui/comparison_to_empty.stderr b/src/tools/clippy/tests/ui/comparison_to_empty.stderr index 00a50430a3e..deb3e938878 100644 --- a/src/tools/clippy/tests/ui/comparison_to_empty.stderr +++ b/src/tools/clippy/tests/ui/comparison_to_empty.stderr @@ -1,5 +1,5 @@ error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:8:13 + --> tests/ui/comparison_to_empty.rs:7:13 | LL | let _ = s == ""; | ^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()` @@ -8,73 +8,73 @@ LL | let _ = s == ""; = help: to override `-D warnings` add `#[allow(clippy::comparison_to_empty)]` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:10:13 + --> tests/ui/comparison_to_empty.rs:9:13 | LL | let _ = s != ""; | ^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:14:13 + --> tests/ui/comparison_to_empty.rs:13:13 | LL | let _ = v == []; | ^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:16:13 + --> tests/ui/comparison_to_empty.rs:15:13 | LL | let _ = v != []; | ^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!v.is_empty()` error: comparison to empty slice using `if let` - --> tests/ui/comparison_to_empty.rs:18:8 + --> tests/ui/comparison_to_empty.rs:17:8 | LL | if let [] = &*v {} | ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `(*v).is_empty()` error: comparison to empty slice using `if let` - --> tests/ui/comparison_to_empty.rs:21:8 + --> tests/ui/comparison_to_empty.rs:20:8 | LL | if let [] = s {} | ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()` error: comparison to empty slice using `if let` - --> tests/ui/comparison_to_empty.rs:23:8 + --> tests/ui/comparison_to_empty.rs:22:8 | LL | if let [] = &*s {} | ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()` error: comparison to empty slice using `if let` - --> tests/ui/comparison_to_empty.rs:25:8 + --> tests/ui/comparison_to_empty.rs:24:8 | LL | if let [] = &*s | ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:27:12 + --> tests/ui/comparison_to_empty.rs:26:12 | LL | && s == [] | ^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:48:13 + --> tests/ui/comparison_to_empty.rs:47:13 | LL | let _ = s.eq(""); | ^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:50:13 + --> tests/ui/comparison_to_empty.rs:49:13 | LL | let _ = s.ne(""); | ^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:53:13 + --> tests/ui/comparison_to_empty.rs:52:13 | LL | let _ = v.eq(&[]); | ^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.is_empty()` error: comparison to empty slice - --> tests/ui/comparison_to_empty.rs:55:13 + --> tests/ui/comparison_to_empty.rs:54:13 | LL | let _ = v.ne(&[]); | ^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!v.is_empty()` diff --git a/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.fixed b/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.fixed new file mode 100644 index 00000000000..e698b99edd5 --- /dev/null +++ b/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.fixed @@ -0,0 +1,14 @@ +#![feature(float_minimum_maximum)] +#![warn(clippy::confusing_method_to_numeric_cast)] + +fn main() { + let _ = u16::MAX as usize; //~ confusing_method_to_numeric_cast + let _ = u16::MIN as usize; //~ confusing_method_to_numeric_cast + let _ = u16::MAX as usize; //~ confusing_method_to_numeric_cast + let _ = u16::MIN as usize; //~ confusing_method_to_numeric_cast + + let _ = f32::MAX as usize; //~ confusing_method_to_numeric_cast + let _ = f32::MAX as usize; //~ confusing_method_to_numeric_cast + let _ = f32::MIN as usize; //~ confusing_method_to_numeric_cast + let _ = f32::MIN as usize; //~ confusing_method_to_numeric_cast +} diff --git a/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.rs b/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.rs new file mode 100644 index 00000000000..ef65c21563d --- /dev/null +++ b/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.rs @@ -0,0 +1,14 @@ +#![feature(float_minimum_maximum)] +#![warn(clippy::confusing_method_to_numeric_cast)] + +fn main() { + let _ = u16::max as usize; //~ confusing_method_to_numeric_cast + let _ = u16::min as usize; //~ confusing_method_to_numeric_cast + let _ = u16::max_value as usize; //~ confusing_method_to_numeric_cast + let _ = u16::min_value as usize; //~ confusing_method_to_numeric_cast + + let _ = f32::maximum as usize; //~ confusing_method_to_numeric_cast + let _ = f32::max as usize; //~ confusing_method_to_numeric_cast + let _ = f32::minimum as usize; //~ confusing_method_to_numeric_cast + let _ = f32::min as usize; //~ confusing_method_to_numeric_cast +} diff --git a/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.stderr b/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.stderr new file mode 100644 index 00000000000..ba90df2059a --- /dev/null +++ b/src/tools/clippy/tests/ui/confusing_method_to_numeric_cast.stderr @@ -0,0 +1,100 @@ +error: casting function pointer `u16::max` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:5:13 + | +LL | let _ = u16::max as usize; + | ^^^^^^^^^^^^^^^^^ + | + = note: `-D clippy::confusing-method-to-numeric-cast` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::confusing_method_to_numeric_cast)]` +help: did you mean to use the associated constant? + | +LL - let _ = u16::max as usize; +LL + let _ = u16::MAX as usize; + | + +error: casting function pointer `u16::min` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:6:13 + | +LL | let _ = u16::min as usize; + | ^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = u16::min as usize; +LL + let _ = u16::MIN as usize; + | + +error: casting function pointer `u16::max_value` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:7:13 + | +LL | let _ = u16::max_value as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = u16::max_value as usize; +LL + let _ = u16::MAX as usize; + | + +error: casting function pointer `u16::min_value` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:8:13 + | +LL | let _ = u16::min_value as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = u16::min_value as usize; +LL + let _ = u16::MIN as usize; + | + +error: casting function pointer `f32::maximum` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:10:13 + | +LL | let _ = f32::maximum as usize; + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = f32::maximum as usize; +LL + let _ = f32::MAX as usize; + | + +error: casting function pointer `f32::max` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:11:13 + | +LL | let _ = f32::max as usize; + | ^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = f32::max as usize; +LL + let _ = f32::MAX as usize; + | + +error: casting function pointer `f32::minimum` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:12:13 + | +LL | let _ = f32::minimum as usize; + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = f32::minimum as usize; +LL + let _ = f32::MIN as usize; + | + +error: casting function pointer `f32::min` to `usize` + --> tests/ui/confusing_method_to_numeric_cast.rs:13:13 + | +LL | let _ = f32::min as usize; + | ^^^^^^^^^^^^^^^^^ + | +help: did you mean to use the associated constant? + | +LL - let _ = f32::min as usize; +LL + let _ = f32::MIN as usize; + | + +error: aborting due to 8 previous errors + diff --git a/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.fixed b/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.fixed new file mode 100644 index 00000000000..9c85c4b8464 --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.fixed @@ -0,0 +1,13 @@ +//@compile-flags: -Z validate-mir +#![warn(clippy::missing_const_for_fn)] + +static BLOCK_FN_DEF: fn(usize) -> usize = { + //~v missing_const_for_fn + const fn foo(a: usize) -> usize { + a + 10 + } + foo +}; +struct X; + +fn main() {} diff --git a/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.rs b/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.rs new file mode 100644 index 00000000000..6519be61256 --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.rs @@ -0,0 +1,13 @@ +//@compile-flags: -Z validate-mir +#![warn(clippy::missing_const_for_fn)] + +static BLOCK_FN_DEF: fn(usize) -> usize = { + //~v missing_const_for_fn + fn foo(a: usize) -> usize { + a + 10 + } + foo +}; +struct X; + +fn main() {} diff --git a/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.stderr b/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.stderr new file mode 100644 index 00000000000..a407376d0b9 --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/missing_const_for_fn_14774.stderr @@ -0,0 +1,17 @@ +error: this could be a `const fn` + --> tests/ui/crashes/missing_const_for_fn_14774.rs:6:5 + | +LL | / fn foo(a: usize) -> usize { +LL | | a + 10 +LL | | } + | |_____^ + | + = note: `-D clippy::missing-const-for-fn` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::missing_const_for_fn)]` +help: make the function `const` + | +LL | const fn foo(a: usize) -> usize { + | +++++ + +error: aborting due to 1 previous error + diff --git a/src/tools/clippy/tests/ui/enum_variants.rs b/src/tools/clippy/tests/ui/enum_variants.rs index f7bbf83654f..18c80c7aba4 100644 --- a/src/tools/clippy/tests/ui/enum_variants.rs +++ b/src/tools/clippy/tests/ui/enum_variants.rs @@ -220,4 +220,19 @@ mod issue11494 { } } +mod encapsulated { + mod types { + pub struct FooError; + pub struct BarError; + pub struct BazError; + } + + enum Error { + FooError(types::FooError), + BarError(types::BarError), + BazError(types::BazError), + Other, + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.fixed b/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.fixed index e19aa4acb4c..050cdfcba96 100644 --- a/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.fixed +++ b/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.fixed @@ -1,5 +1,5 @@ #![deny(clippy::index_refutable_slice)] -#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes)] +#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes, clippy::collapsible_if)] enum SomeEnum<T> { One(T), diff --git a/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.rs b/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.rs index 29039356855..91429bfea27 100644 --- a/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.rs +++ b/src/tools/clippy/tests/ui/index_refutable_slice/if_let_slice_binding.rs @@ -1,5 +1,5 @@ #![deny(clippy::index_refutable_slice)] -#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes)] +#![allow(clippy::uninlined_format_args, clippy::needless_lifetimes, clippy::collapsible_if)] enum SomeEnum<T> { One(T), diff --git a/src/tools/clippy/tests/ui/integer_division.rs b/src/tools/clippy/tests/ui/integer_division.rs index 632fedc9e8f..a40956e2672 100644 --- a/src/tools/clippy/tests/ui/integer_division.rs +++ b/src/tools/clippy/tests/ui/integer_division.rs @@ -1,5 +1,9 @@ #![warn(clippy::integer_division)] +use std::num::NonZeroU32; + +const TWO: NonZeroU32 = NonZeroU32::new(2).unwrap(); + fn main() { let two = 2; let n = 1 / 2; @@ -12,4 +16,8 @@ fn main() { //~^ integer_division let x = 1. / 2.0; + + let a = 1; + let s = a / TWO; + //~^ integer_division } diff --git a/src/tools/clippy/tests/ui/integer_division.stderr b/src/tools/clippy/tests/ui/integer_division.stderr index 0fe2021a1a9..c0e34a562f6 100644 --- a/src/tools/clippy/tests/ui/integer_division.stderr +++ b/src/tools/clippy/tests/ui/integer_division.stderr @@ -1,5 +1,5 @@ error: integer division - --> tests/ui/integer_division.rs:5:13 + --> tests/ui/integer_division.rs:9:13 | LL | let n = 1 / 2; | ^^^^^ @@ -9,7 +9,7 @@ LL | let n = 1 / 2; = help: to override `-D warnings` add `#[allow(clippy::integer_division)]` error: integer division - --> tests/ui/integer_division.rs:8:13 + --> tests/ui/integer_division.rs:12:13 | LL | let o = 1 / two; | ^^^^^^^ @@ -17,12 +17,20 @@ LL | let o = 1 / two; = help: division of integers may cause loss of precision. consider using floats error: integer division - --> tests/ui/integer_division.rs:11:13 + --> tests/ui/integer_division.rs:15:13 | LL | let p = two / 4; | ^^^^^^^ | = help: division of integers may cause loss of precision. consider using floats -error: aborting due to 3 previous errors +error: integer division + --> tests/ui/integer_division.rs:21:13 + | +LL | let s = a / TWO; + | ^^^^^^^ + | + = help: division of integers may cause loss of precision. consider using floats + +error: aborting due to 4 previous errors diff --git a/src/tools/clippy/tests/ui/let_underscore_untyped.rs b/src/tools/clippy/tests/ui/let_underscore_untyped.rs index 26ba8682dc2..7f74ab035bd 100644 --- a/src/tools/clippy/tests/ui/let_underscore_untyped.rs +++ b/src/tools/clippy/tests/ui/let_underscore_untyped.rs @@ -6,7 +6,6 @@ extern crate proc_macros; use proc_macros::with_span; -use clippy_utils::is_from_proc_macro; use std::boxed::Box; use std::fmt::Display; use std::future::Future; diff --git a/src/tools/clippy/tests/ui/let_underscore_untyped.stderr b/src/tools/clippy/tests/ui/let_underscore_untyped.stderr index 86cdd5c662c..54b955ac3a5 100644 --- a/src/tools/clippy/tests/ui/let_underscore_untyped.stderr +++ b/src/tools/clippy/tests/ui/let_underscore_untyped.stderr @@ -1,11 +1,11 @@ error: non-binding `let` without a type annotation - --> tests/ui/let_underscore_untyped.rs:51:5 + --> tests/ui/let_underscore_untyped.rs:50:5 | LL | let _ = a(); | ^^^^^^^^^^^^ | help: consider adding a type annotation - --> tests/ui/let_underscore_untyped.rs:51:10 + --> tests/ui/let_underscore_untyped.rs:50:10 | LL | let _ = a(); | ^ @@ -13,49 +13,49 @@ LL | let _ = a(); = help: to override `-D warnings` add `#[allow(clippy::let_underscore_untyped)]` error: non-binding `let` without a type annotation - --> tests/ui/let_underscore_untyped.rs:53:5 + --> tests/ui/let_underscore_untyped.rs:52:5 | LL | let _ = b(1); | ^^^^^^^^^^^^^ | help: consider adding a type annotation - --> tests/ui/let_underscore_untyped.rs:53:10 + --> tests/ui/let_underscore_untyped.rs:52:10 | LL | let _ = b(1); | ^ error: non-binding `let` without a type annotation - --> tests/ui/let_underscore_untyped.rs:56:5 + --> tests/ui/let_underscore_untyped.rs:55:5 | LL | let _ = d(&1); | ^^^^^^^^^^^^^^ | help: consider adding a type annotation - --> tests/ui/let_underscore_untyped.rs:56:10 + --> tests/ui/let_underscore_untyped.rs:55:10 | LL | let _ = d(&1); | ^ error: non-binding `let` without a type annotation - --> tests/ui/let_underscore_untyped.rs:58:5 + --> tests/ui/let_underscore_untyped.rs:57:5 | LL | let _ = e(); | ^^^^^^^^^^^^ | help: consider adding a type annotation - --> tests/ui/let_underscore_untyped.rs:58:10 + --> tests/ui/let_underscore_untyped.rs:57:10 | LL | let _ = e(); | ^ error: non-binding `let` without a type annotation - --> tests/ui/let_underscore_untyped.rs:60:5 + --> tests/ui/let_underscore_untyped.rs:59:5 | LL | let _ = f(); | ^^^^^^^^^^^^ | help: consider adding a type annotation - --> tests/ui/let_underscore_untyped.rs:60:10 + --> tests/ui/let_underscore_untyped.rs:59:10 | LL | let _ = f(); | ^ diff --git a/src/tools/clippy/tests/ui/let_with_type_underscore.fixed b/src/tools/clippy/tests/ui/let_with_type_underscore.fixed new file mode 100644 index 00000000000..7a4af4e3d1e --- /dev/null +++ b/src/tools/clippy/tests/ui/let_with_type_underscore.fixed @@ -0,0 +1,47 @@ +//@aux-build: proc_macros.rs +#![allow(unused)] +#![warn(clippy::let_with_type_underscore)] +#![allow(clippy::let_unit_value, clippy::needless_late_init)] + +extern crate proc_macros; + +fn func() -> &'static str { + "" +} + +#[rustfmt::skip] +fn main() { + // Will lint + let x = 1; + //~^ let_with_type_underscore + let _ = 2; + //~^ let_with_type_underscore + let x = func(); + //~^ let_with_type_underscore + let x; + //~^ let_with_type_underscore + x = (); + + let x = 1; // Will not lint, Rust infers this to an integer before Clippy + let x = func(); + let x: Vec<_> = Vec::<u32>::new(); + let x: [_; 1] = [1]; + let x = 1; + //~^ let_with_type_underscore + + // Do not lint from procedural macros + proc_macros::with_span! { + span + let x: _ = (); + // Late initialization + let x: _; + x = (); + // Ensure weird formatting will not break it (hopefully) + let x : _ = 1; + let x +: _ = 1; + let x : + _; + x = (); + }; +} diff --git a/src/tools/clippy/tests/ui/let_with_type_underscore.stderr b/src/tools/clippy/tests/ui/let_with_type_underscore.stderr index 2284d1fe2e4..9179f992207 100644 --- a/src/tools/clippy/tests/ui/let_with_type_underscore.stderr +++ b/src/tools/clippy/tests/ui/let_with_type_underscore.stderr @@ -4,13 +4,13 @@ error: variable declared with type underscore LL | let x: _ = 1; | ^^^^^^^^^^^^^ | -help: remove the explicit type `_` declaration - --> tests/ui/let_with_type_underscore.rs:15:10 - | -LL | let x: _ = 1; - | ^^^ = note: `-D clippy::let-with-type-underscore` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::let_with_type_underscore)]` +help: remove the explicit type `_` declaration + | +LL - let x: _ = 1; +LL + let x = 1; + | error: variable declared with type underscore --> tests/ui/let_with_type_underscore.rs:17:5 @@ -19,10 +19,10 @@ LL | let _: _ = 2; | ^^^^^^^^^^^^^ | help: remove the explicit type `_` declaration - --> tests/ui/let_with_type_underscore.rs:17:10 | -LL | let _: _ = 2; - | ^^^ +LL - let _: _ = 2; +LL + let _ = 2; + | error: variable declared with type underscore --> tests/ui/let_with_type_underscore.rs:19:5 @@ -31,10 +31,10 @@ LL | let x: _ = func(); | ^^^^^^^^^^^^^^^^^^ | help: remove the explicit type `_` declaration - --> tests/ui/let_with_type_underscore.rs:19:10 | -LL | let x: _ = func(); - | ^^^ +LL - let x: _ = func(); +LL + let x = func(); + | error: variable declared with type underscore --> tests/ui/let_with_type_underscore.rs:21:5 @@ -43,10 +43,10 @@ LL | let x: _; | ^^^^^^^^^ | help: remove the explicit type `_` declaration - --> tests/ui/let_with_type_underscore.rs:21:10 | -LL | let x: _; - | ^^^ +LL - let x: _; +LL + let x; + | error: variable declared with type underscore --> tests/ui/let_with_type_underscore.rs:29:5 @@ -55,10 +55,10 @@ LL | let x : _ = 1; | ^^^^^^^^^^^^^^ | help: remove the explicit type `_` declaration - --> tests/ui/let_with_type_underscore.rs:29:10 | -LL | let x : _ = 1; - | ^^^^ +LL - let x : _ = 1; +LL + let x = 1; + | error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/manual_let_else.rs b/src/tools/clippy/tests/ui/manual_let_else.rs index a753566b34c..3781ba1676f 100644 --- a/src/tools/clippy/tests/ui/manual_let_else.rs +++ b/src/tools/clippy/tests/ui/manual_let_else.rs @@ -514,3 +514,35 @@ mod issue13768 { }; } } + +mod issue14598 { + fn bar() -> Result<bool, &'static str> { + let value = match foo() { + //~^ manual_let_else + Err(_) => return Err("abc"), + Ok(value) => value, + }; + + let w = Some(0); + let v = match w { + //~^ manual_let_else + None => return Err("abc"), + Some(x) => x, + }; + + enum Foo<T> { + Foo(T), + } + + let v = match Foo::Foo(Some(())) { + Foo::Foo(Some(_)) => return Err("abc"), + Foo::Foo(v) => v, + }; + + Ok(value == 42) + } + + fn foo() -> Result<u32, &'static str> { + todo!() + } +} diff --git a/src/tools/clippy/tests/ui/manual_let_else.stderr b/src/tools/clippy/tests/ui/manual_let_else.stderr index ef042192114..a1eea041929 100644 --- a/src/tools/clippy/tests/ui/manual_let_else.stderr +++ b/src/tools/clippy/tests/ui/manual_let_else.stderr @@ -529,5 +529,25 @@ LL + return; LL + }; | -error: aborting due to 33 previous errors +error: this could be rewritten as `let...else` + --> tests/ui/manual_let_else.rs:520:9 + | +LL | / let value = match foo() { +LL | | +LL | | Err(_) => return Err("abc"), +LL | | Ok(value) => value, +LL | | }; + | |__________^ help: consider writing: `let Ok(value) = foo() else { return Err("abc") };` + +error: this could be rewritten as `let...else` + --> tests/ui/manual_let_else.rs:527:9 + | +LL | / let v = match w { +LL | | +LL | | None => return Err("abc"), +LL | | Some(x) => x, +LL | | }; + | |__________^ help: consider writing: `let Some(v) = w else { return Err("abc") };` + +error: aborting due to 35 previous errors diff --git a/src/tools/clippy/tests/ui/manual_saturating_arithmetic.fixed b/src/tools/clippy/tests/ui/manual_saturating_arithmetic.fixed index 3f73d6e5a1a..304be05f6c4 100644 --- a/src/tools/clippy/tests/ui/manual_saturating_arithmetic.fixed +++ b/src/tools/clippy/tests/ui/manual_saturating_arithmetic.fixed @@ -1,7 +1,5 @@ #![allow(clippy::legacy_numeric_constants, unused_imports)] -use std::{i32, i128, u32, u128}; - fn main() { let _ = 1u32.saturating_add(1); //~^ manual_saturating_arithmetic diff --git a/src/tools/clippy/tests/ui/manual_saturating_arithmetic.rs b/src/tools/clippy/tests/ui/manual_saturating_arithmetic.rs index 98246a5cd96..c2b570e974a 100644 --- a/src/tools/clippy/tests/ui/manual_saturating_arithmetic.rs +++ b/src/tools/clippy/tests/ui/manual_saturating_arithmetic.rs @@ -1,7 +1,5 @@ #![allow(clippy::legacy_numeric_constants, unused_imports)] -use std::{i32, i128, u32, u128}; - fn main() { let _ = 1u32.checked_add(1).unwrap_or(u32::max_value()); //~^ manual_saturating_arithmetic diff --git a/src/tools/clippy/tests/ui/manual_saturating_arithmetic.stderr b/src/tools/clippy/tests/ui/manual_saturating_arithmetic.stderr index 9d133d8a073..2f006a3ae17 100644 --- a/src/tools/clippy/tests/ui/manual_saturating_arithmetic.stderr +++ b/src/tools/clippy/tests/ui/manual_saturating_arithmetic.stderr @@ -1,5 +1,5 @@ error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:6:13 + --> tests/ui/manual_saturating_arithmetic.rs:4:13 | LL | let _ = 1u32.checked_add(1).unwrap_or(u32::max_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1u32.saturating_add(1)` @@ -8,19 +8,19 @@ LL | let _ = 1u32.checked_add(1).unwrap_or(u32::max_value()); = help: to override `-D warnings` add `#[allow(clippy::manual_saturating_arithmetic)]` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:8:13 + --> tests/ui/manual_saturating_arithmetic.rs:6:13 | LL | let _ = 1u32.checked_add(1).unwrap_or(u32::MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1u32.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:10:13 + --> tests/ui/manual_saturating_arithmetic.rs:8:13 | LL | let _ = 1u8.checked_add(1).unwrap_or(255); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1u8.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:12:13 + --> tests/ui/manual_saturating_arithmetic.rs:10:13 | LL | let _ = 1u128 | _____________^ @@ -30,49 +30,49 @@ LL | | .unwrap_or(340_282_366_920_938_463_463_374_607_431_768_211_455); | |_______________________________________________________________________^ help: consider using `saturating_add`: `1u128.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:18:13 + --> tests/ui/manual_saturating_arithmetic.rs:16:13 | LL | let _ = 1u32.checked_mul(1).unwrap_or(u32::MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_mul`: `1u32.saturating_mul(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:21:13 + --> tests/ui/manual_saturating_arithmetic.rs:19:13 | LL | let _ = 1u32.checked_sub(1).unwrap_or(u32::min_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1u32.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:23:13 + --> tests/ui/manual_saturating_arithmetic.rs:21:13 | LL | let _ = 1u32.checked_sub(1).unwrap_or(u32::MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1u32.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:25:13 + --> tests/ui/manual_saturating_arithmetic.rs:23:13 | LL | let _ = 1u8.checked_sub(1).unwrap_or(0); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1u8.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:30:13 + --> tests/ui/manual_saturating_arithmetic.rs:28:13 | LL | let _ = 1i32.checked_add(1).unwrap_or(i32::max_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1i32.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:32:13 + --> tests/ui/manual_saturating_arithmetic.rs:30:13 | LL | let _ = 1i32.checked_add(1).unwrap_or(i32::MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1i32.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:34:13 + --> tests/ui/manual_saturating_arithmetic.rs:32:13 | LL | let _ = 1i8.checked_add(1).unwrap_or(127); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1i8.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:36:13 + --> tests/ui/manual_saturating_arithmetic.rs:34:13 | LL | let _ = 1i128 | _____________^ @@ -82,25 +82,25 @@ LL | | .unwrap_or(170_141_183_460_469_231_731_687_303_715_884_105_727); | |_______________________________________________________________________^ help: consider using `saturating_add`: `1i128.saturating_add(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:40:13 + --> tests/ui/manual_saturating_arithmetic.rs:38:13 | LL | let _ = 1i32.checked_add(-1).unwrap_or(i32::min_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1i32.saturating_add(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:42:13 + --> tests/ui/manual_saturating_arithmetic.rs:40:13 | LL | let _ = 1i32.checked_add(-1).unwrap_or(i32::MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1i32.saturating_add(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:44:13 + --> tests/ui/manual_saturating_arithmetic.rs:42:13 | LL | let _ = 1i8.checked_add(-1).unwrap_or(-128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_add`: `1i8.saturating_add(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:46:13 + --> tests/ui/manual_saturating_arithmetic.rs:44:13 | LL | let _ = 1i128 | _____________^ @@ -110,25 +110,25 @@ LL | | .unwrap_or(-170_141_183_460_469_231_731_687_303_715_884_105_728); | |________________________________________________________________________^ help: consider using `saturating_add`: `1i128.saturating_add(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:54:13 + --> tests/ui/manual_saturating_arithmetic.rs:52:13 | LL | let _ = 1i32.checked_sub(1).unwrap_or(i32::min_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1i32.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:56:13 + --> tests/ui/manual_saturating_arithmetic.rs:54:13 | LL | let _ = 1i32.checked_sub(1).unwrap_or(i32::MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1i32.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:58:13 + --> tests/ui/manual_saturating_arithmetic.rs:56:13 | LL | let _ = 1i8.checked_sub(1).unwrap_or(-128); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1i8.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:60:13 + --> tests/ui/manual_saturating_arithmetic.rs:58:13 | LL | let _ = 1i128 | _____________^ @@ -138,25 +138,25 @@ LL | | .unwrap_or(-170_141_183_460_469_231_731_687_303_715_884_105_728); | |________________________________________________________________________^ help: consider using `saturating_sub`: `1i128.saturating_sub(1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:64:13 + --> tests/ui/manual_saturating_arithmetic.rs:62:13 | LL | let _ = 1i32.checked_sub(-1).unwrap_or(i32::max_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1i32.saturating_sub(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:66:13 + --> tests/ui/manual_saturating_arithmetic.rs:64:13 | LL | let _ = 1i32.checked_sub(-1).unwrap_or(i32::MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1i32.saturating_sub(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:68:13 + --> tests/ui/manual_saturating_arithmetic.rs:66:13 | LL | let _ = 1i8.checked_sub(-1).unwrap_or(127); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `saturating_sub`: `1i8.saturating_sub(-1)` error: manual saturating arithmetic - --> tests/ui/manual_saturating_arithmetic.rs:70:13 + --> tests/ui/manual_saturating_arithmetic.rs:68:13 | LL | let _ = 1i128 | _____________^ diff --git a/src/tools/clippy/tests/ui/manual_slice_fill.fixed b/src/tools/clippy/tests/ui/manual_slice_fill.fixed index bba863247f5..d07d1d60e2c 100644 --- a/src/tools/clippy/tests/ui/manual_slice_fill.fixed +++ b/src/tools/clippy/tests/ui/manual_slice_fill.fixed @@ -123,3 +123,40 @@ fn issue14189() { *b = !*b; } } + +mod issue14685 { + use std::ops::{Index, IndexMut}; + + #[derive(Clone)] + struct ZipList<T>(T); + + impl<T> ZipList<T> { + fn len(&self) -> usize { + todo!() + } + + fn is_empty(&self) -> bool { + todo!() + } + } + + impl<T> Index<usize> for ZipList<T> { + type Output = T; + + fn index(&self, _: usize) -> &Self::Output { + todo!() + } + } + + impl<T> IndexMut<usize> for ZipList<T> { + fn index_mut(&mut self, _: usize) -> &mut Self::Output { + todo!() + } + } + + fn index_mut(mut zl: ZipList<usize>) { + for i in 0..zl.len() { + zl[i] = 6; + } + } +} diff --git a/src/tools/clippy/tests/ui/manual_slice_fill.rs b/src/tools/clippy/tests/ui/manual_slice_fill.rs index 44c60dc40f0..c74ab2225c0 100644 --- a/src/tools/clippy/tests/ui/manual_slice_fill.rs +++ b/src/tools/clippy/tests/ui/manual_slice_fill.rs @@ -136,3 +136,40 @@ fn issue14189() { *b = !*b; } } + +mod issue14685 { + use std::ops::{Index, IndexMut}; + + #[derive(Clone)] + struct ZipList<T>(T); + + impl<T> ZipList<T> { + fn len(&self) -> usize { + todo!() + } + + fn is_empty(&self) -> bool { + todo!() + } + } + + impl<T> Index<usize> for ZipList<T> { + type Output = T; + + fn index(&self, _: usize) -> &Self::Output { + todo!() + } + } + + impl<T> IndexMut<usize> for ZipList<T> { + fn index_mut(&mut self, _: usize) -> &mut Self::Output { + todo!() + } + } + + fn index_mut(mut zl: ZipList<usize>) { + for i in 0..zl.len() { + zl[i] = 6; + } + } +} diff --git a/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed b/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed index 9dae9fcae07..41ca44ceef4 100644 --- a/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed +++ b/src/tools/clippy/tests/ui/manual_unwrap_or_default.fixed @@ -106,3 +106,16 @@ fn issue_12928() { fn allowed_manual_unwrap_or_zero() -> u32 { Some(42).unwrap_or_default() } + +mod issue14716 { + struct Foo { + name: Option<String>, + } + + fn bar(project: &Foo) { + let _name = match project.name { + Some(ref x) => x, + None => "", + }; + } +} diff --git a/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs b/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs index 539d7a8bbae..343fbc4879c 100644 --- a/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs +++ b/src/tools/clippy/tests/ui/manual_unwrap_or_default.rs @@ -147,3 +147,16 @@ fn allowed_manual_unwrap_or_zero() -> u32 { 0 } } + +mod issue14716 { + struct Foo { + name: Option<String>, + } + + fn bar(project: &Foo) { + let _name = match project.name { + Some(ref x) => x, + None => "", + }; + } +} diff --git a/src/tools/clippy/tests/ui/needless_if.fixed b/src/tools/clippy/tests/ui/needless_if.fixed index 347dbff7c59..c839156bed9 100644 --- a/src/tools/clippy/tests/ui/needless_if.fixed +++ b/src/tools/clippy/tests/ui/needless_if.fixed @@ -1,5 +1,4 @@ //@aux-build:proc_macros.rs -#![feature(let_chains)] #![allow( clippy::blocks_in_conditions, clippy::if_same_then_else, diff --git a/src/tools/clippy/tests/ui/needless_if.rs b/src/tools/clippy/tests/ui/needless_if.rs index 5e0f2a14408..11103af5c55 100644 --- a/src/tools/clippy/tests/ui/needless_if.rs +++ b/src/tools/clippy/tests/ui/needless_if.rs @@ -1,5 +1,4 @@ //@aux-build:proc_macros.rs -#![feature(let_chains)] #![allow( clippy::blocks_in_conditions, clippy::if_same_then_else, diff --git a/src/tools/clippy/tests/ui/needless_if.stderr b/src/tools/clippy/tests/ui/needless_if.stderr index 62cdf245944..4b56843bd52 100644 --- a/src/tools/clippy/tests/ui/needless_if.stderr +++ b/src/tools/clippy/tests/ui/needless_if.stderr @@ -1,5 +1,5 @@ error: this `if` branch is empty - --> tests/ui/needless_if.rs:27:5 + --> tests/ui/needless_if.rs:26:5 | LL | if (true) {} | ^^^^^^^^^^^^ help: you can remove it @@ -8,13 +8,13 @@ LL | if (true) {} = help: to override `-D warnings` add `#[allow(clippy::needless_if)]` error: this `if` branch is empty - --> tests/ui/needless_if.rs:30:5 + --> tests/ui/needless_if.rs:29:5 | LL | if maybe_side_effect() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can remove it: `maybe_side_effect();` error: this `if` branch is empty - --> tests/ui/needless_if.rs:36:5 + --> tests/ui/needless_if.rs:35:5 | LL | / if { LL | | @@ -31,7 +31,7 @@ LL + }); | error: this `if` branch is empty - --> tests/ui/needless_if.rs:51:5 + --> tests/ui/needless_if.rs:50:5 | LL | / if { LL | | @@ -57,19 +57,19 @@ LL + } && true); | error: this `if` branch is empty - --> tests/ui/needless_if.rs:96:5 + --> tests/ui/needless_if.rs:95:5 | LL | if { maybe_side_effect() } {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can remove it: `({ maybe_side_effect() });` error: this `if` branch is empty - --> tests/ui/needless_if.rs:99:5 + --> tests/ui/needless_if.rs:98:5 | LL | if { maybe_side_effect() } && true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can remove it: `({ maybe_side_effect() } && true);` error: this `if` branch is empty - --> tests/ui/needless_if.rs:104:5 + --> tests/ui/needless_if.rs:103:5 | LL | if true {} | ^^^^^^^^^^ help: you can remove it: `true;` diff --git a/src/tools/clippy/tests/ui/needless_late_init.fixed b/src/tools/clippy/tests/ui/needless_late_init.fixed index f832752ccd7..b686a8e9f1a 100644 --- a/src/tools/clippy/tests/ui/needless_late_init.fixed +++ b/src/tools/clippy/tests/ui/needless_late_init.fixed @@ -1,6 +1,4 @@ //@aux-build:proc_macros.rs -#![feature(let_chains)] -#![allow(unused)] #![allow( clippy::assign_op_pattern, clippy::blocks_in_conditions, diff --git a/src/tools/clippy/tests/ui/needless_late_init.rs b/src/tools/clippy/tests/ui/needless_late_init.rs index a52fbf52923..23772ff7029 100644 --- a/src/tools/clippy/tests/ui/needless_late_init.rs +++ b/src/tools/clippy/tests/ui/needless_late_init.rs @@ -1,6 +1,4 @@ //@aux-build:proc_macros.rs -#![feature(let_chains)] -#![allow(unused)] #![allow( clippy::assign_op_pattern, clippy::blocks_in_conditions, diff --git a/src/tools/clippy/tests/ui/needless_late_init.stderr b/src/tools/clippy/tests/ui/needless_late_init.stderr index b24c1275881..e3e25cdc8d7 100644 --- a/src/tools/clippy/tests/ui/needless_late_init.stderr +++ b/src/tools/clippy/tests/ui/needless_late_init.stderr @@ -1,5 +1,5 @@ error: unneeded late initialization - --> tests/ui/needless_late_init.rs:27:5 + --> tests/ui/needless_late_init.rs:25:5 | LL | let a; | ^^^^^^ created here @@ -17,7 +17,7 @@ LL ~ let a = "zero"; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:31:5 + --> tests/ui/needless_late_init.rs:29:5 | LL | let b; | ^^^^^^ created here @@ -35,7 +35,7 @@ LL ~ let b = 1; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:33:5 + --> tests/ui/needless_late_init.rs:31:5 | LL | let c; | ^^^^^^ created here @@ -52,7 +52,7 @@ LL ~ let c = 2; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:38:5 + --> tests/ui/needless_late_init.rs:36:5 | LL | let d: usize; | ^^^^^^^^^^^^^ created here @@ -68,7 +68,7 @@ LL ~ let d: usize = 1; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:42:5 + --> tests/ui/needless_late_init.rs:40:5 | LL | let e; | ^^^^^^ created here @@ -84,7 +84,7 @@ LL ~ let e = format!("{}", d); | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:48:5 + --> tests/ui/needless_late_init.rs:46:5 | LL | let a; | ^^^^^^ @@ -103,7 +103,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:58:5 + --> tests/ui/needless_late_init.rs:56:5 | LL | let b; | ^^^^^^ @@ -120,7 +120,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:66:5 + --> tests/ui/needless_late_init.rs:64:5 | LL | let d; | ^^^^^^ @@ -138,7 +138,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:75:5 + --> tests/ui/needless_late_init.rs:73:5 | LL | let e; | ^^^^^^ @@ -155,7 +155,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:83:5 + --> tests/ui/needless_late_init.rs:81:5 | LL | let f; | ^^^^^^ @@ -169,7 +169,7 @@ LL ~ 1 => "three", | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:90:5 + --> tests/ui/needless_late_init.rs:88:5 | LL | let g: usize; | ^^^^^^^^^^^^^ @@ -186,7 +186,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:99:5 + --> tests/ui/needless_late_init.rs:97:5 | LL | let x; | ^^^^^^ created here @@ -203,7 +203,7 @@ LL ~ let x = 1; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:104:5 + --> tests/ui/needless_late_init.rs:102:5 | LL | let x; | ^^^^^^ created here @@ -220,7 +220,7 @@ LL ~ let x = SignificantDrop; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:109:5 + --> tests/ui/needless_late_init.rs:107:5 | LL | let x; | ^^^^^^ created here @@ -238,7 +238,7 @@ LL ~ let x = SignificantDrop; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:129:5 + --> tests/ui/needless_late_init.rs:127:5 | LL | let a; | ^^^^^^ @@ -257,7 +257,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:147:5 + --> tests/ui/needless_late_init.rs:145:5 | LL | let a; | ^^^^^^ @@ -276,7 +276,7 @@ LL ~ }; | error: unneeded late initialization - --> tests/ui/needless_late_init.rs:300:5 + --> tests/ui/needless_late_init.rs:298:5 | LL | let r; | ^^^^^^ created here diff --git a/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.fixed b/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.fixed index 2b30c8f984e..d6c35d8097c 100644 --- a/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.fixed +++ b/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.fixed @@ -70,3 +70,10 @@ mod external_macros { once_cell::external!(); lazy_static::external!(); } + +mod issue14729 { + use once_cell::sync::Lazy; + + #[expect(clippy::non_std_lazy_statics)] + static LAZY_FOO: Lazy<String> = Lazy::new(|| "foo".to_uppercase()); +} diff --git a/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.rs b/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.rs index c52338eee83..996ef050d69 100644 --- a/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.rs +++ b/src/tools/clippy/tests/ui/non_std_lazy_static/non_std_lazy_static_fixable.rs @@ -70,3 +70,10 @@ mod external_macros { once_cell::external!(); lazy_static::external!(); } + +mod issue14729 { + use once_cell::sync::Lazy; + + #[expect(clippy::non_std_lazy_statics)] + static LAZY_FOO: Lazy<String> = Lazy::new(|| "foo".to_uppercase()); +} diff --git a/src/tools/clippy/tests/ui/redundant_pattern_matching_option.fixed b/src/tools/clippy/tests/ui/redundant_pattern_matching_option.fixed index 33a5308bd35..dc9d6491691 100644 --- a/src/tools/clippy/tests/ui/redundant_pattern_matching_option.fixed +++ b/src/tools/clippy/tests/ui/redundant_pattern_matching_option.fixed @@ -1,4 +1,4 @@ -#![feature(let_chains, if_let_guard)] +#![feature(if_let_guard)] #![warn(clippy::redundant_pattern_matching)] #![allow( clippy::needless_bool, diff --git a/src/tools/clippy/tests/ui/redundant_pattern_matching_option.rs b/src/tools/clippy/tests/ui/redundant_pattern_matching_option.rs index 60bce2994ea..2e9714ad8e7 100644 --- a/src/tools/clippy/tests/ui/redundant_pattern_matching_option.rs +++ b/src/tools/clippy/tests/ui/redundant_pattern_matching_option.rs @@ -1,4 +1,4 @@ -#![feature(let_chains, if_let_guard)] +#![feature(if_let_guard)] #![warn(clippy::redundant_pattern_matching)] #![allow( clippy::needless_bool, diff --git a/src/tools/clippy/tests/ui/rename.fixed b/src/tools/clippy/tests/ui/rename.fixed index acf7914d253..55e287b9159 100644 --- a/src/tools/clippy/tests/ui/rename.fixed +++ b/src/tools/clippy/tests/ui/rename.fixed @@ -63,6 +63,7 @@ #![allow(unused_labels)] #![allow(ambiguous_wide_pointer_comparisons)] #![allow(clippy::reversed_empty_ranges)] +#![allow(unnecessary_transmutes)] #![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` @@ -132,5 +133,9 @@ #![warn(unused_labels)] //~ ERROR: lint `clippy::unused_label` #![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` fn main() {} diff --git a/src/tools/clippy/tests/ui/rename.rs b/src/tools/clippy/tests/ui/rename.rs index 32641a684a4..31dcd2cea08 100644 --- a/src/tools/clippy/tests/ui/rename.rs +++ b/src/tools/clippy/tests/ui/rename.rs @@ -63,6 +63,7 @@ #![allow(unused_labels)] #![allow(ambiguous_wide_pointer_comparisons)] #![allow(clippy::reversed_empty_ranges)] +#![allow(unnecessary_transmutes)] #![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` @@ -132,5 +133,9 @@ #![warn(clippy::unused_label)] //~ ERROR: lint `clippy::unused_label` #![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` fn main() {} diff --git a/src/tools/clippy/tests/ui/rename.stderr b/src/tools/clippy/tests/ui/rename.stderr index e9d2debff91..a8d5c96acc3 100644 --- a/src/tools/clippy/tests/ui/rename.stderr +++ b/src/tools/clippy/tests/ui/rename.stderr @@ -1,5 +1,5 @@ error: lint `clippy::almost_complete_letter_range` has been renamed to `clippy::almost_complete_range` - --> tests/ui/rename.rs:66:9 + --> tests/ui/rename.rs:67:9 | LL | #![warn(clippy::almost_complete_letter_range)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::almost_complete_range` @@ -8,412 +8,436 @@ LL | #![warn(clippy::almost_complete_letter_range)] = help: to override `-D warnings` add `#[allow(renamed_and_removed_lints)]` error: lint `clippy::blacklisted_name` has been renamed to `clippy::disallowed_names` - --> tests/ui/rename.rs:67:9 + --> tests/ui/rename.rs:68:9 | LL | #![warn(clippy::blacklisted_name)] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::disallowed_names` error: lint `clippy::block_in_if_condition_expr` has been renamed to `clippy::blocks_in_conditions` - --> tests/ui/rename.rs:68:9 + --> tests/ui/rename.rs:69:9 | LL | #![warn(clippy::block_in_if_condition_expr)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_conditions` error: lint `clippy::block_in_if_condition_stmt` has been renamed to `clippy::blocks_in_conditions` - --> tests/ui/rename.rs:69:9 + --> tests/ui/rename.rs:70:9 | LL | #![warn(clippy::block_in_if_condition_stmt)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_conditions` error: lint `clippy::blocks_in_if_conditions` has been renamed to `clippy::blocks_in_conditions` - --> tests/ui/rename.rs:70:9 + --> tests/ui/rename.rs:71:9 | LL | #![warn(clippy::blocks_in_if_conditions)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::blocks_in_conditions` error: lint `clippy::box_vec` has been renamed to `clippy::box_collection` - --> tests/ui/rename.rs:71:9 + --> tests/ui/rename.rs:72:9 | 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` - --> tests/ui/rename.rs:72:9 + --> tests/ui/rename.rs:73:9 | 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:73:9 + --> tests/ui/rename.rs:74:9 | 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:74:9 + --> tests/ui/rename.rs:75:9 | 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:75:9 + --> tests/ui/rename.rs:76:9 | 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:76:9 + --> tests/ui/rename.rs:77:9 | 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:77:9 + --> 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:78:9 + --> 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:79:9 + --> 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` - --> tests/ui/rename.rs:80:9 + --> tests/ui/rename.rs:81:9 | LL | #![warn(clippy::fn_address_comparisons)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unpredictable_function_pointer_comparisons` error: lint `clippy::identity_conversion` has been renamed to `clippy::useless_conversion` - --> tests/ui/rename.rs:81:9 + --> tests/ui/rename.rs:82:9 | LL | #![warn(clippy::identity_conversion)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::useless_conversion` error: lint `clippy::if_let_redundant_pattern_matching` has been renamed to `clippy::redundant_pattern_matching` - --> tests/ui/rename.rs:82:9 + --> tests/ui/rename.rs:83:9 | LL | #![warn(clippy::if_let_redundant_pattern_matching)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::redundant_pattern_matching` error: lint `clippy::if_let_some_result` has been renamed to `clippy::match_result_ok` - --> tests/ui/rename.rs:83:9 + --> tests/ui/rename.rs:84:9 | LL | #![warn(clippy::if_let_some_result)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::match_result_ok` error: lint `clippy::incorrect_clone_impl_on_copy_type` has been renamed to `clippy::non_canonical_clone_impl` - --> tests/ui/rename.rs:84:9 + --> 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` error: lint `clippy::incorrect_partial_ord_impl_on_ord_type` has been renamed to `clippy::non_canonical_partial_ord_impl` - --> tests/ui/rename.rs:85:9 + --> 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` error: lint `clippy::integer_arithmetic` has been renamed to `clippy::arithmetic_side_effects` - --> tests/ui/rename.rs:86:9 + --> tests/ui/rename.rs:87:9 | LL | #![warn(clippy::integer_arithmetic)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::arithmetic_side_effects` error: lint `clippy::logic_bug` has been renamed to `clippy::overly_complex_bool_expr` - --> tests/ui/rename.rs:87:9 + --> tests/ui/rename.rs:88:9 | LL | #![warn(clippy::logic_bug)] | ^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::overly_complex_bool_expr` error: lint `clippy::new_without_default_derive` has been renamed to `clippy::new_without_default` - --> tests/ui/rename.rs:88:9 + --> tests/ui/rename.rs:89:9 | LL | #![warn(clippy::new_without_default_derive)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::new_without_default` error: lint `clippy::option_and_then_some` has been renamed to `clippy::bind_instead_of_map` - --> tests/ui/rename.rs:89:9 + --> tests/ui/rename.rs:90:9 | LL | #![warn(clippy::option_and_then_some)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::bind_instead_of_map` error: lint `clippy::option_expect_used` has been renamed to `clippy::expect_used` - --> tests/ui/rename.rs:90:9 + --> tests/ui/rename.rs:91:9 | LL | #![warn(clippy::option_expect_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` error: lint `clippy::option_map_unwrap_or` has been renamed to `clippy::map_unwrap_or` - --> tests/ui/rename.rs:91:9 + --> tests/ui/rename.rs:92:9 | LL | #![warn(clippy::option_map_unwrap_or)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` error: lint `clippy::option_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` - --> tests/ui/rename.rs:92:9 + --> tests/ui/rename.rs:93:9 | LL | #![warn(clippy::option_map_unwrap_or_else)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` error: lint `clippy::option_unwrap_used` has been renamed to `clippy::unwrap_used` - --> tests/ui/rename.rs:93:9 + --> tests/ui/rename.rs:94:9 | LL | #![warn(clippy::option_unwrap_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` error: lint `clippy::overflow_check_conditional` has been renamed to `clippy::panicking_overflow_checks` - --> tests/ui/rename.rs:94:9 + --> tests/ui/rename.rs:95:9 | LL | #![warn(clippy::overflow_check_conditional)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::panicking_overflow_checks` error: lint `clippy::ref_in_deref` has been renamed to `clippy::needless_borrow` - --> tests/ui/rename.rs:95:9 + --> tests/ui/rename.rs:96:9 | LL | #![warn(clippy::ref_in_deref)] | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::needless_borrow` error: lint `clippy::result_expect_used` has been renamed to `clippy::expect_used` - --> tests/ui/rename.rs:96:9 + --> tests/ui/rename.rs:97:9 | LL | #![warn(clippy::result_expect_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::expect_used` error: lint `clippy::result_map_unwrap_or_else` has been renamed to `clippy::map_unwrap_or` - --> tests/ui/rename.rs:97:9 + --> tests/ui/rename.rs:98:9 | LL | #![warn(clippy::result_map_unwrap_or_else)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::map_unwrap_or` error: lint `clippy::result_unwrap_used` has been renamed to `clippy::unwrap_used` - --> tests/ui/rename.rs:98:9 + --> tests/ui/rename.rs:99:9 | LL | #![warn(clippy::result_unwrap_used)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_used` error: lint `clippy::single_char_push_str` has been renamed to `clippy::single_char_add_str` - --> tests/ui/rename.rs:99:9 + --> tests/ui/rename.rs:100:9 | LL | #![warn(clippy::single_char_push_str)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::single_char_add_str` error: lint `clippy::stutter` has been renamed to `clippy::module_name_repetitions` - --> tests/ui/rename.rs:100:9 + --> tests/ui/rename.rs:101:9 | LL | #![warn(clippy::stutter)] | ^^^^^^^^^^^^^^^ help: use the new name: `clippy::module_name_repetitions` error: lint `clippy::thread_local_initializer_can_be_made_const` has been renamed to `clippy::missing_const_for_thread_local` - --> tests/ui/rename.rs:101:9 + --> 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` error: lint `clippy::to_string_in_display` has been renamed to `clippy::recursive_format_impl` - --> tests/ui/rename.rs:102:9 + --> tests/ui/rename.rs:103:9 | LL | #![warn(clippy::to_string_in_display)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::recursive_format_impl` error: lint `clippy::unwrap_or_else_default` has been renamed to `clippy::unwrap_or_default` - --> tests/ui/rename.rs:103:9 + --> tests/ui/rename.rs:104:9 | LL | #![warn(clippy::unwrap_or_else_default)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::unwrap_or_default` error: lint `clippy::zero_width_space` has been renamed to `clippy::invisible_characters` - --> tests/ui/rename.rs:104:9 + --> tests/ui/rename.rs:105:9 | LL | #![warn(clippy::zero_width_space)] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::invisible_characters` error: lint `clippy::cast_ref_to_mut` has been renamed to `invalid_reference_casting` - --> tests/ui/rename.rs:105:9 + --> tests/ui/rename.rs:106:9 | 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:106:9 + --> tests/ui/rename.rs:107:9 | 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:107:9 + --> tests/ui/rename.rs:108:9 | LL | #![warn(clippy::cmp_nan)] | ^^^^^^^^^^^^^^^ help: use the new name: `invalid_nan_comparisons` error: lint `clippy::invalid_null_ptr_usage` has been renamed to `invalid_null_arguments` - --> tests/ui/rename.rs:108:9 + --> tests/ui/rename.rs:109:9 | LL | #![warn(clippy::invalid_null_ptr_usage)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_null_arguments` error: lint `clippy::double_neg` has been renamed to `double_negations` - --> tests/ui/rename.rs:109:9 + --> tests/ui/rename.rs:110:9 | LL | #![warn(clippy::double_neg)] | ^^^^^^^^^^^^^^^^^^ help: use the new name: `double_negations` error: lint `clippy::drop_bounds` has been renamed to `drop_bounds` - --> tests/ui/rename.rs:110:9 + --> tests/ui/rename.rs:111:9 | LL | #![warn(clippy::drop_bounds)] | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `drop_bounds` error: lint `clippy::drop_copy` has been renamed to `dropping_copy_types` - --> tests/ui/rename.rs:111:9 + --> tests/ui/rename.rs:112:9 | LL | #![warn(clippy::drop_copy)] | ^^^^^^^^^^^^^^^^^ help: use the new name: `dropping_copy_types` error: lint `clippy::drop_ref` has been renamed to `dropping_references` - --> tests/ui/rename.rs:112:9 + --> tests/ui/rename.rs:113:9 | LL | #![warn(clippy::drop_ref)] | ^^^^^^^^^^^^^^^^ help: use the new name: `dropping_references` error: lint `clippy::fn_null_check` has been renamed to `useless_ptr_null_checks` - --> tests/ui/rename.rs:113:9 + --> tests/ui/rename.rs:114:9 | LL | #![warn(clippy::fn_null_check)] | ^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `useless_ptr_null_checks` error: lint `clippy::for_loop_over_option` has been renamed to `for_loops_over_fallibles` - --> tests/ui/rename.rs:114:9 + --> tests/ui/rename.rs:115:9 | LL | #![warn(clippy::for_loop_over_option)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` error: lint `clippy::for_loop_over_result` has been renamed to `for_loops_over_fallibles` - --> tests/ui/rename.rs:115:9 + --> tests/ui/rename.rs:116:9 | LL | #![warn(clippy::for_loop_over_result)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` error: lint `clippy::for_loops_over_fallibles` has been renamed to `for_loops_over_fallibles` - --> tests/ui/rename.rs:116:9 + --> tests/ui/rename.rs:117:9 | LL | #![warn(clippy::for_loops_over_fallibles)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `for_loops_over_fallibles` error: lint `clippy::forget_copy` has been renamed to `forgetting_copy_types` - --> tests/ui/rename.rs:117:9 + --> tests/ui/rename.rs:118:9 | LL | #![warn(clippy::forget_copy)] | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_copy_types` error: lint `clippy::forget_ref` has been renamed to `forgetting_references` - --> tests/ui/rename.rs:118:9 + --> tests/ui/rename.rs:119:9 | LL | #![warn(clippy::forget_ref)] | ^^^^^^^^^^^^^^^^^^ help: use the new name: `forgetting_references` error: lint `clippy::into_iter_on_array` has been renamed to `array_into_iter` - --> tests/ui/rename.rs:119:9 + --> tests/ui/rename.rs:120:9 | LL | #![warn(clippy::into_iter_on_array)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `array_into_iter` error: lint `clippy::invalid_atomic_ordering` has been renamed to `invalid_atomic_ordering` - --> tests/ui/rename.rs:120:9 + --> tests/ui/rename.rs:121:9 | LL | #![warn(clippy::invalid_atomic_ordering)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_atomic_ordering` error: lint `clippy::invalid_ref` has been renamed to `invalid_value` - --> tests/ui/rename.rs:121:9 + --> tests/ui/rename.rs:122:9 | LL | #![warn(clippy::invalid_ref)] | ^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_value` error: lint `clippy::invalid_utf8_in_unchecked` has been renamed to `invalid_from_utf8_unchecked` - --> tests/ui/rename.rs:122:9 + --> tests/ui/rename.rs:123:9 | LL | #![warn(clippy::invalid_utf8_in_unchecked)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `invalid_from_utf8_unchecked` error: lint `clippy::let_underscore_drop` has been renamed to `let_underscore_drop` - --> tests/ui/rename.rs:123:9 + --> tests/ui/rename.rs:124:9 | LL | #![warn(clippy::let_underscore_drop)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `let_underscore_drop` error: lint `clippy::maybe_misused_cfg` has been renamed to `unexpected_cfgs` - --> tests/ui/rename.rs:124:9 + --> tests/ui/rename.rs:125:9 | LL | #![warn(clippy::maybe_misused_cfg)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unexpected_cfgs` error: lint `clippy::mem_discriminant_non_enum` has been renamed to `enum_intrinsics_non_enums` - --> tests/ui/rename.rs:125:9 + --> tests/ui/rename.rs:126:9 | LL | #![warn(clippy::mem_discriminant_non_enum)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `enum_intrinsics_non_enums` error: lint `clippy::mismatched_target_os` has been renamed to `unexpected_cfgs` - --> tests/ui/rename.rs:126:9 + --> tests/ui/rename.rs:127:9 | LL | #![warn(clippy::mismatched_target_os)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unexpected_cfgs` error: lint `clippy::panic_params` has been renamed to `non_fmt_panics` - --> tests/ui/rename.rs:127:9 + --> tests/ui/rename.rs:128:9 | LL | #![warn(clippy::panic_params)] | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics` error: lint `clippy::positional_named_format_parameters` has been renamed to `named_arguments_used_positionally` - --> tests/ui/rename.rs:128:9 + --> tests/ui/rename.rs:129:9 | LL | #![warn(clippy::positional_named_format_parameters)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `named_arguments_used_positionally` error: lint `clippy::temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries` - --> tests/ui/rename.rs:129:9 + --> tests/ui/rename.rs:130:9 | LL | #![warn(clippy::temporary_cstring_as_ptr)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries` error: lint `clippy::undropped_manually_drops` has been renamed to `undropped_manually_drops` - --> tests/ui/rename.rs:130:9 + --> tests/ui/rename.rs:131:9 | LL | #![warn(clippy::undropped_manually_drops)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `undropped_manually_drops` error: lint `clippy::unknown_clippy_lints` has been renamed to `unknown_lints` - --> tests/ui/rename.rs:131:9 + --> tests/ui/rename.rs:132:9 | LL | #![warn(clippy::unknown_clippy_lints)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unknown_lints` error: lint `clippy::unused_label` has been renamed to `unused_labels` - --> tests/ui/rename.rs:132:9 + --> tests/ui/rename.rs:133:9 | LL | #![warn(clippy::unused_label)] | ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_labels` error: lint `clippy::vtable_address_comparisons` has been renamed to `ambiguous_wide_pointer_comparisons` - --> tests/ui/rename.rs:133:9 + --> tests/ui/rename.rs:134:9 | LL | #![warn(clippy::vtable_address_comparisons)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `ambiguous_wide_pointer_comparisons` error: lint `clippy::reverse_range_loop` has been renamed to `clippy::reversed_empty_ranges` - --> tests/ui/rename.rs:134:9 + --> tests/ui/rename.rs:135:9 | LL | #![warn(clippy::reverse_range_loop)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `clippy::reversed_empty_ranges` -error: aborting due to 69 previous errors +error: lint `clippy::transmute_int_to_float` has been renamed to `unnecessary_transmutes` + --> tests/ui/rename.rs:136:9 + | +LL | #![warn(clippy::transmute_int_to_float)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` + +error: lint `clippy::transmute_int_to_char` has been renamed to `unnecessary_transmutes` + --> tests/ui/rename.rs:137:9 + | +LL | #![warn(clippy::transmute_int_to_char)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` + +error: lint `clippy::transmute_float_to_int` has been renamed to `unnecessary_transmutes` + --> tests/ui/rename.rs:138:9 + | +LL | #![warn(clippy::transmute_float_to_int)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` + +error: lint `clippy::transmute_num_to_bytes` has been renamed to `unnecessary_transmutes` + --> tests/ui/rename.rs:139:9 + | +LL | #![warn(clippy::transmute_num_to_bytes)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `unnecessary_transmutes` + +error: aborting due to 73 previous errors diff --git a/src/tools/clippy/tests/ui/return_and_then.fixed b/src/tools/clippy/tests/ui/return_and_then.fixed index 74efa14eeec..8d9481d1595 100644 --- a/src/tools/clippy/tests/ui/return_and_then.fixed +++ b/src/tools/clippy/tests/ui/return_and_then.fixed @@ -67,8 +67,60 @@ fn main() { .first() // creates temporary reference .and_then(|x| test_opt_block(Some(*x))) } + + fn in_closure() -> bool { + let _ = || { + let x = Some("")?; + if x.len() > 2 { Some(3) } else { None } + //~^ return_and_then + }; + true + } + + fn with_return(shortcut: bool) -> Option<i32> { + if shortcut { + return { + let x = Some("")?; + if x.len() > 2 { Some(3) } else { None } + }; + //~^ return_and_then + }; + None + } + + fn with_return_multiline(shortcut: bool) -> Option<i32> { + if shortcut { + return { + let mut x = Some("")?; + let x = format!("{x}."); + if x.len() > 2 { Some(3) } else { None } + }; + //~^^^^ return_and_then + }; + None + } } fn gen_option(n: i32) -> Option<i32> { Some(n) } + +mod issue14781 { + fn foo(_: &str, _: (u32, u32)) -> Result<(u32, u32), ()> { + Ok((1, 1)) + } + + fn bug(_: Option<&str>) -> Result<(), ()> { + let year: Option<&str> = None; + let month: Option<&str> = None; + let day: Option<&str> = None; + + let _day = if let (Some(year), Some(month)) = (year, month) { + day.and_then(|day| foo(day, (1, 31)).ok()) + } else { + None + }; + + Ok(()) + } +} diff --git a/src/tools/clippy/tests/ui/return_and_then.rs b/src/tools/clippy/tests/ui/return_and_then.rs index 188dc57e588..beada921a91 100644 --- a/src/tools/clippy/tests/ui/return_and_then.rs +++ b/src/tools/clippy/tests/ui/return_and_then.rs @@ -63,8 +63,55 @@ fn main() { .first() // creates temporary reference .and_then(|x| test_opt_block(Some(*x))) } + + fn in_closure() -> bool { + let _ = || { + Some("").and_then(|x| if x.len() > 2 { Some(3) } else { None }) + //~^ return_and_then + }; + true + } + + fn with_return(shortcut: bool) -> Option<i32> { + if shortcut { + return Some("").and_then(|x| if x.len() > 2 { Some(3) } else { None }); + //~^ return_and_then + }; + None + } + + fn with_return_multiline(shortcut: bool) -> Option<i32> { + if shortcut { + return Some("").and_then(|mut x| { + let x = format!("{x}."); + if x.len() > 2 { Some(3) } else { None } + }); + //~^^^^ return_and_then + }; + None + } } fn gen_option(n: i32) -> Option<i32> { Some(n) } + +mod issue14781 { + fn foo(_: &str, _: (u32, u32)) -> Result<(u32, u32), ()> { + Ok((1, 1)) + } + + fn bug(_: Option<&str>) -> Result<(), ()> { + let year: Option<&str> = None; + let month: Option<&str> = None; + let day: Option<&str> = None; + + let _day = if let (Some(year), Some(month)) = (year, month) { + day.and_then(|day| foo(day, (1, 31)).ok()) + } else { + None + }; + + Ok(()) + } +} diff --git a/src/tools/clippy/tests/ui/return_and_then.stderr b/src/tools/clippy/tests/ui/return_and_then.stderr index a7acbe7b340..5feca882860 100644 --- a/src/tools/clippy/tests/ui/return_and_then.stderr +++ b/src/tools/clippy/tests/ui/return_and_then.stderr @@ -101,5 +101,50 @@ LL + })?; LL + if x.len() > 2 { Some(3) } else { None } | -error: aborting due to 7 previous errors +error: use the `?` operator instead of an `and_then` call + --> tests/ui/return_and_then.rs:69:13 + | +LL | Some("").and_then(|x| if x.len() > 2 { Some(3) } else { None }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: try + | +LL ~ let x = Some("")?; +LL + if x.len() > 2 { Some(3) } else { None } + | + +error: use the `?` operator instead of an `and_then` call + --> tests/ui/return_and_then.rs:77:20 + | +LL | return Some("").and_then(|x| if x.len() > 2 { Some(3) } else { None }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: try + | +LL ~ return { +LL + let x = Some("")?; +LL + if x.len() > 2 { Some(3) } else { None } +LL ~ }; + | + +error: use the `?` operator instead of an `and_then` call + --> tests/ui/return_and_then.rs:85:20 + | +LL | return Some("").and_then(|mut x| { + | ____________________^ +LL | | let x = format!("{x}."); +LL | | if x.len() > 2 { Some(3) } else { None } +LL | | }); + | |______________^ + | +help: try + | +LL ~ return { +LL + let mut x = Some("")?; +LL + let x = format!("{x}."); +LL + if x.len() > 2 { Some(3) } else { None } +LL ~ }; + | + +error: aborting due to 10 previous errors diff --git a/src/tools/clippy/tests/ui/to_digit_is_some.fixed b/src/tools/clippy/tests/ui/to_digit_is_some.fixed index 627d54c5f73..ff6b32e6bd1 100644 --- a/src/tools/clippy/tests/ui/to_digit_is_some.fixed +++ b/src/tools/clippy/tests/ui/to_digit_is_some.fixed @@ -9,3 +9,20 @@ fn main() { let _ = char::is_digit(c, 8); //~^ to_digit_is_some } + +#[clippy::msrv = "1.86"] +mod cannot_lint_in_const_context { + fn without_const(c: char) -> bool { + c.is_digit(8) + //~^ to_digit_is_some + } + const fn with_const(c: char) -> bool { + c.to_digit(8).is_some() + } +} + +#[clippy::msrv = "1.87"] +const fn with_const(c: char) -> bool { + c.is_digit(8) + //~^ to_digit_is_some +} diff --git a/src/tools/clippy/tests/ui/to_digit_is_some.rs b/src/tools/clippy/tests/ui/to_digit_is_some.rs index d4eccc9931f..5ba08617433 100644 --- a/src/tools/clippy/tests/ui/to_digit_is_some.rs +++ b/src/tools/clippy/tests/ui/to_digit_is_some.rs @@ -9,3 +9,20 @@ fn main() { let _ = char::to_digit(c, 8).is_some(); //~^ to_digit_is_some } + +#[clippy::msrv = "1.86"] +mod cannot_lint_in_const_context { + fn without_const(c: char) -> bool { + c.to_digit(8).is_some() + //~^ to_digit_is_some + } + const fn with_const(c: char) -> bool { + c.to_digit(8).is_some() + } +} + +#[clippy::msrv = "1.87"] +const fn with_const(c: char) -> bool { + c.to_digit(8).is_some() + //~^ to_digit_is_some +} diff --git a/src/tools/clippy/tests/ui/to_digit_is_some.stderr b/src/tools/clippy/tests/ui/to_digit_is_some.stderr index f41382a60d5..5ffedb4683f 100644 --- a/src/tools/clippy/tests/ui/to_digit_is_some.stderr +++ b/src/tools/clippy/tests/ui/to_digit_is_some.stderr @@ -13,5 +13,17 @@ error: use of `.to_digit(..).is_some()` LL | let _ = char::to_digit(c, 8).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `char::is_digit(c, 8)` -error: aborting due to 2 previous errors +error: use of `.to_digit(..).is_some()` + --> tests/ui/to_digit_is_some.rs:16:9 + | +LL | c.to_digit(8).is_some() + | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `c.is_digit(8)` + +error: use of `.to_digit(..).is_some()` + --> tests/ui/to_digit_is_some.rs:26:5 + | +LL | c.to_digit(8).is_some() + | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `c.is_digit(8)` + +error: aborting due to 4 previous errors diff --git a/src/tools/clippy/tests/ui/transmute.rs b/src/tools/clippy/tests/ui/transmute.rs index 2b8b6c539ad..e968e7a5924 100644 --- a/src/tools/clippy/tests/ui/transmute.rs +++ b/src/tools/clippy/tests/ui/transmute.rs @@ -116,138 +116,6 @@ fn int_to_bool() { //~^ transmute_int_to_bool } -#[warn(clippy::transmute_int_to_float)] -mod int_to_float { - fn test() { - let _: f16 = unsafe { std::mem::transmute(0_u16) }; - //~^ transmute_int_to_float - - let _: f16 = unsafe { std::mem::transmute(0_i16) }; - //~^ transmute_int_to_float - - let _: f32 = unsafe { std::mem::transmute(0_u32) }; - //~^ transmute_int_to_float - - let _: f32 = unsafe { std::mem::transmute(0_i32) }; - //~^ transmute_int_to_float - - let _: f64 = unsafe { std::mem::transmute(0_u64) }; - //~^ transmute_int_to_float - - let _: f64 = unsafe { std::mem::transmute(0_i64) }; - //~^ transmute_int_to_float - - let _: f128 = unsafe { std::mem::transmute(0_u128) }; - //~^ transmute_int_to_float - - let _: f128 = unsafe { std::mem::transmute(0_i128) }; - //~^ transmute_int_to_float - } - - mod issue_5747 { - const VALUE16: f16 = unsafe { std::mem::transmute(0_u16) }; - //~^ transmute_int_to_float - - const VALUE32: f32 = unsafe { std::mem::transmute(0_u32) }; - //~^ transmute_int_to_float - - const VALUE64: f64 = unsafe { std::mem::transmute(0_i64) }; - //~^ transmute_int_to_float - - const VALUE128: f128 = unsafe { std::mem::transmute(0_i128) }; - //~^ transmute_int_to_float - - const fn from_bits_16(v: i16) -> f16 { - unsafe { std::mem::transmute(v) } - //~^ transmute_int_to_float - } - - const fn from_bits_32(v: i32) -> f32 { - unsafe { std::mem::transmute(v) } - //~^ transmute_int_to_float - } - - const fn from_bits_64(v: u64) -> f64 { - unsafe { std::mem::transmute(v) } - //~^ transmute_int_to_float - } - - const fn from_bits_128(v: u128) -> f128 { - unsafe { std::mem::transmute(v) } - //~^ transmute_int_to_float - } - } -} - -mod num_to_bytes { - fn test() { - unsafe { - let _: [u8; 1] = std::mem::transmute(0u8); - //~^ transmute_num_to_bytes - - let _: [u8; 4] = std::mem::transmute(0u32); - //~^ transmute_num_to_bytes - - let _: [u8; 16] = std::mem::transmute(0u128); - //~^ transmute_num_to_bytes - - let _: [u8; 1] = std::mem::transmute(0i8); - //~^ transmute_num_to_bytes - - let _: [u8; 4] = std::mem::transmute(0i32); - //~^ transmute_num_to_bytes - - let _: [u8; 16] = std::mem::transmute(0i128); - //~^ transmute_num_to_bytes - - let _: [u8; 2] = std::mem::transmute(0.0f16); - //~^ transmute_num_to_bytes - - let _: [u8; 4] = std::mem::transmute(0.0f32); - //~^ transmute_num_to_bytes - - let _: [u8; 8] = std::mem::transmute(0.0f64); - //~^ transmute_num_to_bytes - - let _: [u8; 16] = std::mem::transmute(0.0f128); - //~^ transmute_num_to_bytes - } - } - const fn test_const() { - unsafe { - let _: [u8; 1] = std::mem::transmute(0u8); - //~^ transmute_num_to_bytes - - let _: [u8; 4] = std::mem::transmute(0u32); - //~^ transmute_num_to_bytes - - let _: [u8; 16] = std::mem::transmute(0u128); - //~^ transmute_num_to_bytes - - let _: [u8; 1] = std::mem::transmute(0i8); - //~^ transmute_num_to_bytes - - let _: [u8; 4] = std::mem::transmute(0i32); - //~^ transmute_num_to_bytes - - let _: [u8; 16] = std::mem::transmute(0i128); - //~^ transmute_num_to_bytes - - let _: [u8; 2] = std::mem::transmute(0.0f16); - //~^ transmute_num_to_bytes - - let _: [u8; 4] = std::mem::transmute(0.0f32); - //~^ transmute_num_to_bytes - - let _: [u8; 8] = std::mem::transmute(0.0f64); - //~^ transmute_num_to_bytes - - let _: [u8; 16] = std::mem::transmute(0.0f128); - //~^ transmute_num_to_bytes - } - } -} - fn bytes_to_str(mb: &mut [u8]) { const B: &[u8] = b""; diff --git a/src/tools/clippy/tests/ui/transmute.stderr b/src/tools/clippy/tests/ui/transmute.stderr index 1bb70151965..79528ec06f1 100644 --- a/src/tools/clippy/tests/ui/transmute.stderr +++ b/src/tools/clippy/tests/ui/transmute.stderr @@ -97,230 +97,8 @@ LL | let _: bool = unsafe { std::mem::transmute(0_u8) }; = note: `-D clippy::transmute-int-to-bool` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::transmute_int_to_bool)]` -error: transmute from a `u16` to a `f16` - --> tests/ui/transmute.rs:122:31 - | -LL | let _: f16 = unsafe { std::mem::transmute(0_u16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f16::from_bits(0_u16)` - | - = note: `-D clippy::transmute-int-to-float` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::transmute_int_to_float)]` - -error: transmute from a `i16` to a `f16` - --> tests/ui/transmute.rs:125:31 - | -LL | let _: f16 = unsafe { std::mem::transmute(0_i16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f16::from_bits(0_i16 as u16)` - -error: transmute from a `u32` to a `f32` - --> tests/ui/transmute.rs:128:31 - | -LL | let _: f32 = unsafe { std::mem::transmute(0_u32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)` - -error: transmute from a `i32` to a `f32` - --> tests/ui/transmute.rs:131:31 - | -LL | let _: f32 = unsafe { std::mem::transmute(0_i32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_i32 as u32)` - -error: transmute from a `u64` to a `f64` - --> tests/ui/transmute.rs:134:31 - | -LL | let _: f64 = unsafe { std::mem::transmute(0_u64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_u64)` - -error: transmute from a `i64` to a `f64` - --> tests/ui/transmute.rs:137:31 - | -LL | let _: f64 = unsafe { std::mem::transmute(0_i64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_i64 as u64)` - -error: transmute from a `u128` to a `f128` - --> tests/ui/transmute.rs:140:32 - | -LL | let _: f128 = unsafe { std::mem::transmute(0_u128) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(0_u128)` - -error: transmute from a `i128` to a `f128` - --> tests/ui/transmute.rs:143:32 - | -LL | let _: f128 = unsafe { std::mem::transmute(0_i128) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(0_i128 as u128)` - -error: transmute from a `u16` to a `f16` - --> tests/ui/transmute.rs:148:39 - | -LL | const VALUE16: f16 = unsafe { std::mem::transmute(0_u16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f16::from_bits(0_u16)` - -error: transmute from a `u32` to a `f32` - --> tests/ui/transmute.rs:151:39 - | -LL | const VALUE32: f32 = unsafe { std::mem::transmute(0_u32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)` - -error: transmute from a `i64` to a `f64` - --> tests/ui/transmute.rs:154:39 - | -LL | const VALUE64: f64 = unsafe { std::mem::transmute(0_i64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_i64 as u64)` - -error: transmute from a `i128` to a `f128` - --> tests/ui/transmute.rs:157:41 - | -LL | const VALUE128: f128 = unsafe { std::mem::transmute(0_i128) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(0_i128 as u128)` - -error: transmute from a `i16` to a `f16` - --> tests/ui/transmute.rs:161:22 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f16::from_bits(v as u16)` - -error: transmute from a `i32` to a `f32` - --> tests/ui/transmute.rs:166:22 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(v as u32)` - -error: transmute from a `u64` to a `f64` - --> tests/ui/transmute.rs:171:22 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(v)` - -error: transmute from a `u128` to a `f128` - --> tests/ui/transmute.rs:176:22 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f128::from_bits(v)` - -error: transmute from a `u8` to a `[u8; 1]` - --> tests/ui/transmute.rs:185:30 - | -LL | let _: [u8; 1] = std::mem::transmute(0u8); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()` - | - = note: `-D clippy::transmute-num-to-bytes` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::transmute_num_to_bytes)]` - -error: transmute from a `u32` to a `[u8; 4]` - --> tests/ui/transmute.rs:188:30 - | -LL | let _: [u8; 4] = std::mem::transmute(0u32); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()` - -error: transmute from a `u128` to a `[u8; 16]` - --> tests/ui/transmute.rs:191:31 - | -LL | let _: [u8; 16] = std::mem::transmute(0u128); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()` - -error: transmute from a `i8` to a `[u8; 1]` - --> tests/ui/transmute.rs:194:30 - | -LL | let _: [u8; 1] = std::mem::transmute(0i8); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()` - -error: transmute from a `i32` to a `[u8; 4]` - --> tests/ui/transmute.rs:197:30 - | -LL | let _: [u8; 4] = std::mem::transmute(0i32); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()` - -error: transmute from a `i128` to a `[u8; 16]` - --> tests/ui/transmute.rs:200:31 - | -LL | let _: [u8; 16] = std::mem::transmute(0i128); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()` - -error: transmute from a `f16` to a `[u8; 2]` - --> tests/ui/transmute.rs:203:30 - | -LL | let _: [u8; 2] = std::mem::transmute(0.0f16); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f16.to_ne_bytes()` - -error: transmute from a `f32` to a `[u8; 4]` - --> tests/ui/transmute.rs:206:30 - | -LL | let _: [u8; 4] = std::mem::transmute(0.0f32); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f32.to_ne_bytes()` - -error: transmute from a `f64` to a `[u8; 8]` - --> tests/ui/transmute.rs:209:30 - | -LL | let _: [u8; 8] = std::mem::transmute(0.0f64); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f64.to_ne_bytes()` - -error: transmute from a `f128` to a `[u8; 16]` - --> tests/ui/transmute.rs:212:31 - | -LL | let _: [u8; 16] = std::mem::transmute(0.0f128); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f128.to_ne_bytes()` - -error: transmute from a `u8` to a `[u8; 1]` - --> tests/ui/transmute.rs:218:30 - | -LL | let _: [u8; 1] = std::mem::transmute(0u8); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()` - -error: transmute from a `u32` to a `[u8; 4]` - --> tests/ui/transmute.rs:221:30 - | -LL | let _: [u8; 4] = std::mem::transmute(0u32); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()` - -error: transmute from a `u128` to a `[u8; 16]` - --> tests/ui/transmute.rs:224:31 - | -LL | let _: [u8; 16] = std::mem::transmute(0u128); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()` - -error: transmute from a `i8` to a `[u8; 1]` - --> tests/ui/transmute.rs:227:30 - | -LL | let _: [u8; 1] = std::mem::transmute(0i8); - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()` - -error: transmute from a `i32` to a `[u8; 4]` - --> tests/ui/transmute.rs:230:30 - | -LL | let _: [u8; 4] = std::mem::transmute(0i32); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()` - -error: transmute from a `i128` to a `[u8; 16]` - --> tests/ui/transmute.rs:233:31 - | -LL | let _: [u8; 16] = std::mem::transmute(0i128); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()` - -error: transmute from a `f16` to a `[u8; 2]` - --> tests/ui/transmute.rs:236:30 - | -LL | let _: [u8; 2] = std::mem::transmute(0.0f16); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f16.to_ne_bytes()` - -error: transmute from a `f32` to a `[u8; 4]` - --> tests/ui/transmute.rs:239:30 - | -LL | let _: [u8; 4] = std::mem::transmute(0.0f32); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f32.to_ne_bytes()` - -error: transmute from a `f64` to a `[u8; 8]` - --> tests/ui/transmute.rs:242:30 - | -LL | let _: [u8; 8] = std::mem::transmute(0.0f64); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f64.to_ne_bytes()` - -error: transmute from a `f128` to a `[u8; 16]` - --> tests/ui/transmute.rs:245:31 - | -LL | let _: [u8; 16] = std::mem::transmute(0.0f128); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f128.to_ne_bytes()` - error: transmute from a `&[u8]` to a `&str` - --> tests/ui/transmute.rs:254:28 + --> tests/ui/transmute.rs:122:28 | LL | let _: &str = unsafe { std::mem::transmute(B) }; | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8(B).unwrap()` @@ -329,16 +107,16 @@ LL | let _: &str = unsafe { std::mem::transmute(B) }; = help: to override `-D warnings` add `#[allow(clippy::transmute_bytes_to_str)]` error: transmute from a `&mut [u8]` to a `&mut str` - --> tests/ui/transmute.rs:257:32 + --> tests/ui/transmute.rs:125:32 | LL | let _: &mut str = unsafe { std::mem::transmute(mb) }; | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()` error: transmute from a `&[u8]` to a `&str` - --> tests/ui/transmute.rs:260:30 + --> tests/ui/transmute.rs:128:30 | LL | const _: &str = unsafe { std::mem::transmute(B) }; | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_unchecked(B)` -error: aborting due to 54 previous errors +error: aborting due to 18 previous errors diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.fixed b/src/tools/clippy/tests/ui/transmute_float_to_int.fixed deleted file mode 100644 index 844445907d7..00000000000 --- a/src/tools/clippy/tests/ui/transmute_float_to_int.fixed +++ /dev/null @@ -1,60 +0,0 @@ -#![warn(clippy::transmute_float_to_int)] -#![allow(clippy::missing_transmute_annotations, unnecessary_transmutes)] -#![feature(f128)] -#![feature(f16)] - -fn float_to_int() { - let _: u32 = unsafe { 1f32.to_bits() }; - //~^ transmute_float_to_int - - let _: i32 = unsafe { 1f32.to_bits() as i32 }; - //~^ transmute_float_to_int - - let _: u64 = unsafe { 1f64.to_bits() }; - //~^ transmute_float_to_int - - let _: i64 = unsafe { 1f64.to_bits() as i64 }; - //~^ transmute_float_to_int - - let _: u64 = unsafe { 1.0f64.to_bits() }; - //~^ transmute_float_to_int - - let _: u64 = unsafe { (-1.0f64).to_bits() }; - //~^ transmute_float_to_int -} - -mod issue_5747 { - const VALUE16: i16 = unsafe { 1f16.to_bits() as i16 }; - //~^ transmute_float_to_int - - const VALUE32: i32 = unsafe { 1f32.to_bits() as i32 }; - //~^ transmute_float_to_int - - const VALUE64: u64 = unsafe { 1f64.to_bits() }; - //~^ transmute_float_to_int - - const VALUE128: u128 = unsafe { 1f128.to_bits() }; - //~^ transmute_float_to_int - - const fn to_bits_16(v: f16) -> u16 { - unsafe { v.to_bits() } - //~^ transmute_float_to_int - } - - const fn to_bits_32(v: f32) -> u32 { - unsafe { v.to_bits() } - //~^ transmute_float_to_int - } - - const fn to_bits_64(v: f64) -> i64 { - unsafe { v.to_bits() as i64 } - //~^ transmute_float_to_int - } - - const fn to_bits_128(v: f128) -> i128 { - unsafe { v.to_bits() as i128 } - //~^ transmute_float_to_int - } -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.rs b/src/tools/clippy/tests/ui/transmute_float_to_int.rs deleted file mode 100644 index a1f3b15bbfe..00000000000 --- a/src/tools/clippy/tests/ui/transmute_float_to_int.rs +++ /dev/null @@ -1,60 +0,0 @@ -#![warn(clippy::transmute_float_to_int)] -#![allow(clippy::missing_transmute_annotations, unnecessary_transmutes)] -#![feature(f128)] -#![feature(f16)] - -fn float_to_int() { - let _: u32 = unsafe { std::mem::transmute(1f32) }; - //~^ transmute_float_to_int - - let _: i32 = unsafe { std::mem::transmute(1f32) }; - //~^ transmute_float_to_int - - let _: u64 = unsafe { std::mem::transmute(1f64) }; - //~^ transmute_float_to_int - - let _: i64 = unsafe { std::mem::transmute(1f64) }; - //~^ transmute_float_to_int - - let _: u64 = unsafe { std::mem::transmute(1.0) }; - //~^ transmute_float_to_int - - let _: u64 = unsafe { std::mem::transmute(-1.0) }; - //~^ transmute_float_to_int -} - -mod issue_5747 { - const VALUE16: i16 = unsafe { std::mem::transmute(1f16) }; - //~^ transmute_float_to_int - - const VALUE32: i32 = unsafe { std::mem::transmute(1f32) }; - //~^ transmute_float_to_int - - const VALUE64: u64 = unsafe { std::mem::transmute(1f64) }; - //~^ transmute_float_to_int - - const VALUE128: u128 = unsafe { std::mem::transmute(1f128) }; - //~^ transmute_float_to_int - - const fn to_bits_16(v: f16) -> u16 { - unsafe { std::mem::transmute(v) } - //~^ transmute_float_to_int - } - - const fn to_bits_32(v: f32) -> u32 { - unsafe { std::mem::transmute(v) } - //~^ transmute_float_to_int - } - - const fn to_bits_64(v: f64) -> i64 { - unsafe { std::mem::transmute(v) } - //~^ transmute_float_to_int - } - - const fn to_bits_128(v: f128) -> i128 { - unsafe { std::mem::transmute(v) } - //~^ transmute_float_to_int - } -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.stderr b/src/tools/clippy/tests/ui/transmute_float_to_int.stderr deleted file mode 100644 index 223cbc4e90c..00000000000 --- a/src/tools/clippy/tests/ui/transmute_float_to_int.stderr +++ /dev/null @@ -1,89 +0,0 @@ -error: transmute from a `f32` to a `u32` - --> tests/ui/transmute_float_to_int.rs:7:27 - | -LL | let _: u32 = unsafe { std::mem::transmute(1f32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f32.to_bits()` - | - = note: `-D clippy::transmute-float-to-int` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::transmute_float_to_int)]` - -error: transmute from a `f32` to a `i32` - --> tests/ui/transmute_float_to_int.rs:10:27 - | -LL | let _: i32 = unsafe { std::mem::transmute(1f32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f32.to_bits() as i32` - -error: transmute from a `f64` to a `u64` - --> tests/ui/transmute_float_to_int.rs:13:27 - | -LL | let _: u64 = unsafe { std::mem::transmute(1f64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f64.to_bits()` - -error: transmute from a `f64` to a `i64` - --> tests/ui/transmute_float_to_int.rs:16:27 - | -LL | let _: i64 = unsafe { std::mem::transmute(1f64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f64.to_bits() as i64` - -error: transmute from a `f64` to a `u64` - --> tests/ui/transmute_float_to_int.rs:19:27 - | -LL | let _: u64 = unsafe { std::mem::transmute(1.0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1.0f64.to_bits()` - -error: transmute from a `f64` to a `u64` - --> tests/ui/transmute_float_to_int.rs:22:27 - | -LL | let _: u64 = unsafe { std::mem::transmute(-1.0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(-1.0f64).to_bits()` - -error: transmute from a `f16` to a `i16` - --> tests/ui/transmute_float_to_int.rs:27:35 - | -LL | const VALUE16: i16 = unsafe { std::mem::transmute(1f16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f16.to_bits() as i16` - -error: transmute from a `f32` to a `i32` - --> tests/ui/transmute_float_to_int.rs:30:35 - | -LL | const VALUE32: i32 = unsafe { std::mem::transmute(1f32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f32.to_bits() as i32` - -error: transmute from a `f64` to a `u64` - --> tests/ui/transmute_float_to_int.rs:33:35 - | -LL | const VALUE64: u64 = unsafe { std::mem::transmute(1f64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f64.to_bits()` - -error: transmute from a `f128` to a `u128` - --> tests/ui/transmute_float_to_int.rs:36:37 - | -LL | const VALUE128: u128 = unsafe { std::mem::transmute(1f128) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `1f128.to_bits()` - -error: transmute from a `f16` to a `u16` - --> tests/ui/transmute_float_to_int.rs:40:18 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits()` - -error: transmute from a `f32` to a `u32` - --> tests/ui/transmute_float_to_int.rs:45:18 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits()` - -error: transmute from a `f64` to a `i64` - --> tests/ui/transmute_float_to_int.rs:50:18 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits() as i64` - -error: transmute from a `f128` to a `i128` - --> tests/ui/transmute_float_to_int.rs:55:18 - | -LL | unsafe { std::mem::transmute(v) } - | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `v.to_bits() as i128` - -error: aborting due to 14 previous errors - diff --git a/src/tools/clippy/tests/ui/transmute_int_to_char.fixed b/src/tools/clippy/tests/ui/transmute_int_to_char.fixed deleted file mode 100644 index 28644aa9ebb..00000000000 --- a/src/tools/clippy/tests/ui/transmute_int_to_char.fixed +++ /dev/null @@ -1,16 +0,0 @@ -#![warn(clippy::transmute_int_to_char)] -#![allow(clippy::missing_transmute_annotations, unnecessary_transmutes)] - -fn int_to_char() { - let _: char = unsafe { std::char::from_u32(0_u32).unwrap() }; - //~^ transmute_int_to_char - - let _: char = unsafe { std::char::from_u32(0_i32 as u32).unwrap() }; - //~^ transmute_int_to_char - - // These shouldn't warn - const _: char = unsafe { std::mem::transmute(0_u32) }; - const _: char = unsafe { std::mem::transmute(0_i32) }; -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/transmute_int_to_char.rs b/src/tools/clippy/tests/ui/transmute_int_to_char.rs deleted file mode 100644 index 8c83ecc8914..00000000000 --- a/src/tools/clippy/tests/ui/transmute_int_to_char.rs +++ /dev/null @@ -1,16 +0,0 @@ -#![warn(clippy::transmute_int_to_char)] -#![allow(clippy::missing_transmute_annotations, unnecessary_transmutes)] - -fn int_to_char() { - let _: char = unsafe { std::mem::transmute(0_u32) }; - //~^ transmute_int_to_char - - let _: char = unsafe { std::mem::transmute(0_i32) }; - //~^ transmute_int_to_char - - // These shouldn't warn - const _: char = unsafe { std::mem::transmute(0_u32) }; - const _: char = unsafe { std::mem::transmute(0_i32) }; -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/transmute_int_to_char.stderr b/src/tools/clippy/tests/ui/transmute_int_to_char.stderr deleted file mode 100644 index e3a3620f28b..00000000000 --- a/src/tools/clippy/tests/ui/transmute_int_to_char.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error: transmute from a `u32` to a `char` - --> tests/ui/transmute_int_to_char.rs:5:28 - | -LL | let _: char = unsafe { std::mem::transmute(0_u32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_u32).unwrap()` - | - = note: `-D clippy::transmute-int-to-char` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::transmute_int_to_char)]` - -error: transmute from a `i32` to a `char` - --> tests/ui/transmute_int_to_char.rs:8:28 - | -LL | let _: char = unsafe { std::mem::transmute(0_i32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_i32 as u32).unwrap()` - -error: aborting due to 2 previous errors - diff --git a/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.fixed b/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.fixed deleted file mode 100644 index e6e09a2be4b..00000000000 --- a/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.fixed +++ /dev/null @@ -1,28 +0,0 @@ -#![no_std] -#![feature(lang_items)] -#![warn(clippy::transmute_int_to_char)] -#![allow(clippy::missing_transmute_annotations, unnecessary_transmutes)] - -use core::panic::PanicInfo; - -#[lang = "eh_personality"] -extern "C" fn eh_personality() {} - -#[panic_handler] -fn panic(info: &PanicInfo) -> ! { - loop {} -} - -fn int_to_char() { - let _: char = unsafe { core::char::from_u32(0_u32).unwrap() }; - //~^ transmute_int_to_char - - let _: char = unsafe { core::char::from_u32(0_i32 as u32).unwrap() }; - //~^ transmute_int_to_char - - // These shouldn't warn - const _: char = unsafe { core::mem::transmute(0_u32) }; - const _: char = unsafe { core::mem::transmute(0_i32) }; -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.rs b/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.rs deleted file mode 100644 index 0f2106df00e..00000000000 --- a/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.rs +++ /dev/null @@ -1,28 +0,0 @@ -#![no_std] -#![feature(lang_items)] -#![warn(clippy::transmute_int_to_char)] -#![allow(clippy::missing_transmute_annotations, unnecessary_transmutes)] - -use core::panic::PanicInfo; - -#[lang = "eh_personality"] -extern "C" fn eh_personality() {} - -#[panic_handler] -fn panic(info: &PanicInfo) -> ! { - loop {} -} - -fn int_to_char() { - let _: char = unsafe { core::mem::transmute(0_u32) }; - //~^ transmute_int_to_char - - let _: char = unsafe { core::mem::transmute(0_i32) }; - //~^ transmute_int_to_char - - // These shouldn't warn - const _: char = unsafe { core::mem::transmute(0_u32) }; - const _: char = unsafe { core::mem::transmute(0_i32) }; -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.stderr b/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.stderr deleted file mode 100644 index d94580a84d7..00000000000 --- a/src/tools/clippy/tests/ui/transmute_int_to_char_no_std.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error: transmute from a `u32` to a `char` - --> tests/ui/transmute_int_to_char_no_std.rs:17:28 - | -LL | let _: char = unsafe { core::mem::transmute(0_u32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `core::char::from_u32(0_u32).unwrap()` - | - = note: `-D clippy::transmute-int-to-char` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::transmute_int_to_char)]` - -error: transmute from a `i32` to a `char` - --> tests/ui/transmute_int_to_char_no_std.rs:20:28 - | -LL | let _: char = unsafe { core::mem::transmute(0_i32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `core::char::from_u32(0_i32 as u32).unwrap()` - -error: aborting due to 2 previous errors - diff --git a/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs b/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs index d325887bfba..e75678d5fd9 100644 --- a/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs +++ b/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs @@ -12,7 +12,7 @@ pub fn foo<T>(_t: T) where T: Copy, T: Clone, - //~^ ERROR: this type has already been used as a bound predicate + //~^ type_repetition_in_bounds { unimplemented!(); } @@ -30,7 +30,7 @@ trait LintBounds where Self: Clone, Self: Copy + Default + Ord, - //~^ ERROR: this type has already been used as a bound predicate + //~^ type_repetition_in_bounds Self: Add<Output = Self> + AddAssign + Sub<Output = Self> + SubAssign, Self: Mul<Output = Self> + MulAssign + Div<Output = Self> + DivAssign, { @@ -105,13 +105,13 @@ where pub fn f<T: ?Sized>() where T: Clone, - //~^ ERROR: this type has already been used as a bound predicate + //~^ type_repetition_in_bounds { } pub fn g<T: Clone>() where T: ?Sized, - //~^ ERROR: this type has already been used as a bound predicate + //~^ type_repetition_in_bounds { } @@ -137,10 +137,27 @@ mod issue8772_pass { pub fn f<T: ?Sized, U>(arg: usize) where T: Trait<Option<usize>, Box<[String]>, bool> + 'static, - //~^ ERROR: this type has already been used as a bound predicate + //~^ type_repetition_in_bounds U: Clone + Sync + 'static, { } } +struct Issue14744<'a, K: 'a> +where + K: Clone, +{ + phantom: std::marker::PhantomData<&'a K>, +} +//~^^^^ type_repetition_in_bounds + +struct ComplexType<T> +where + Vec<T>: Clone, + Vec<T>: Clone, +{ + t: T, +} +//~^^^^ type_repetition_in_bounds + fn main() {} diff --git a/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr b/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr index 77944c95045..de1b14da198 100644 --- a/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr +++ b/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr @@ -1,4 +1,4 @@ -error: this type has already been used as a bound predicate +error: type `T` has already been used as a bound predicate --> tests/ui/type_repetition_in_bounds.rs:14:5 | LL | T: Clone, @@ -11,7 +11,7 @@ note: the lint level is defined here LL | #![deny(clippy::type_repetition_in_bounds)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: this type has already been used as a bound predicate +error: type `Self` has already been used as a bound predicate --> tests/ui/type_repetition_in_bounds.rs:32:5 | LL | Self: Copy + Default + Ord, @@ -19,7 +19,7 @@ LL | Self: Copy + Default + Ord, | = help: consider combining the bounds: `Self: Clone + Copy + Default + Ord` -error: this type has already been used as a bound predicate +error: type `T` has already been used as a bound predicate --> tests/ui/type_repetition_in_bounds.rs:107:5 | LL | T: Clone, @@ -27,7 +27,7 @@ LL | T: Clone, | = help: consider combining the bounds: `T: ?Sized + Clone` -error: this type has already been used as a bound predicate +error: type `T` has already been used as a bound predicate --> tests/ui/type_repetition_in_bounds.rs:113:5 | LL | T: ?Sized, @@ -35,13 +35,29 @@ LL | T: ?Sized, | = help: consider combining the bounds: `T: Clone + ?Sized` -error: this type has already been used as a bound predicate +error: type `T` has already been used as a bound predicate --> tests/ui/type_repetition_in_bounds.rs:139:9 | LL | T: Trait<Option<usize>, Box<[String]>, bool> + 'static, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: consider combining the bounds: `T: ?Sized + Trait<Option<usize>, Box<[String]>, bool>` + = help: consider combining the bounds: `T: ?Sized + Trait<Option<usize>, Box<[String]>, bool> + 'static` -error: aborting due to 5 previous errors +error: type `K` has already been used as a bound predicate + --> tests/ui/type_repetition_in_bounds.rs:148:5 + | +LL | K: Clone, + | ^^^^^^^^ + | + = help: consider combining the bounds: `K: 'a + Clone` + +error: type `Vec<T>` has already been used as a bound predicate + --> tests/ui/type_repetition_in_bounds.rs:157:5 + | +LL | Vec<T>: Clone, + | ^^^^^^^^^^^^^ + | + = help: consider combining the bounds: `Vec<T>: Clone + Clone` + +error: aborting due to 7 previous errors diff --git a/src/tools/clippy/tests/ui/unused_async.rs b/src/tools/clippy/tests/ui/unused_async.rs index 5aaf7b9f5b5..433459253dd 100644 --- a/src/tools/clippy/tests/ui/unused_async.rs +++ b/src/tools/clippy/tests/ui/unused_async.rs @@ -119,3 +119,11 @@ fn main() { foo(); bar(); } + +mod issue14704 { + use std::sync::Arc; + + trait Action { + async fn cancel(self: Arc<Self>) {} + } +} diff --git a/src/tools/clippy/tests/ui/unwrap_expect_used.rs b/src/tools/clippy/tests/ui/unwrap_expect_used.rs index d0bb571273b..b429f3a8a0b 100644 --- a/src/tools/clippy/tests/ui/unwrap_expect_used.rs +++ b/src/tools/clippy/tests/ui/unwrap_expect_used.rs @@ -66,3 +66,20 @@ fn main() { SOME.expect("Still not three?"); } } + +mod with_expansion { + macro_rules! open { + ($file:expr) => { + std::fs::File::open($file) + }; + } + + fn test(file: &str) { + use std::io::Read; + let mut s = String::new(); + let _ = open!(file).unwrap(); //~ unwrap_used + let _ = open!(file).expect("can open"); //~ expect_used + let _ = open!(file).unwrap_err(); //~ unwrap_used + let _ = open!(file).expect_err("can open"); //~ expect_used + } +} diff --git a/src/tools/clippy/tests/ui/unwrap_expect_used.stderr b/src/tools/clippy/tests/ui/unwrap_expect_used.stderr index 79eac3f58cc..6fd1b84d812 100644 --- a/src/tools/clippy/tests/ui/unwrap_expect_used.stderr +++ b/src/tools/clippy/tests/ui/unwrap_expect_used.stderr @@ -50,5 +50,37 @@ LL | a.expect_err("Hello error!"); | = note: if this value is an `Ok`, it will panic -error: aborting due to 6 previous errors +error: used `unwrap()` on a `Result` value + --> tests/ui/unwrap_expect_used.rs:80:17 + | +LL | let _ = open!(file).unwrap(); + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: if this value is an `Err`, it will panic + +error: used `expect()` on a `Result` value + --> tests/ui/unwrap_expect_used.rs:81:17 + | +LL | let _ = open!(file).expect("can open"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: if this value is an `Err`, it will panic + +error: used `unwrap_err()` on a `Result` value + --> tests/ui/unwrap_expect_used.rs:82:17 + | +LL | let _ = open!(file).unwrap_err(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: if this value is an `Ok`, it will panic + +error: used `expect_err()` on a `Result` value + --> tests/ui/unwrap_expect_used.rs:83:17 + | +LL | let _ = open!(file).expect_err("can open"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: if this value is an `Ok`, it will panic + +error: aborting due to 10 previous errors diff --git a/src/tools/clippy/triagebot.toml b/src/tools/clippy/triagebot.toml index f27b109e995..eb2f9f9dd61 100644 --- a/src/tools/clippy/triagebot.toml +++ b/src/tools/clippy/triagebot.toml @@ -13,7 +13,9 @@ allow-unauthenticated = [ [note] -[canonicalize-issue-links] +[close] + +[issue-links] # Prevents mentions in commits to avoid users being spammed [no-mentions] @@ -42,7 +44,7 @@ new_pr = true contributing_url = "https://github.com/rust-lang/rust-clippy/blob/master/CONTRIBUTING.md" users_on_vacation = [ "matthiaskrgr", - "samueltardieu", + "Manishearth", ] [assign.owners] 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/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 40c9f29375b..75f24adb70f 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -1583,7 +1583,10 @@ impl<'test> TestCx<'test> { Crashes => { set_mir_dump_dir(&mut rustc); } - Pretty | DebugInfo | Rustdoc | RustdocJson | RunMake | CodegenUnits | RustdocJs => { + CodegenUnits => { + rustc.arg("-Zprint-mono-items"); + } + Pretty | DebugInfo | Rustdoc | RustdocJson | RunMake | RustdocJs => { // do not use JSON output } } @@ -2606,18 +2609,19 @@ impl<'test> TestCx<'test> { (expected, actual) }; - // Write the actual output to a file in build/ - let test_name = self.config.compare_mode.as_ref().map_or("", |m| m.to_str()); + // Write the actual output to a file in build directory. let actual_path = self .output_base_name() .with_extra_extension(self.revision.unwrap_or("")) - .with_extra_extension(test_name) + .with_extra_extension( + self.config.compare_mode.as_ref().map(|cm| cm.to_str()).unwrap_or(""), + ) .with_extra_extension(stream); if let Err(err) = fs::write(&actual_path, &actual) { - self.fatal(&format!("failed to write {stream} to `{actual_path:?}`: {err}",)); + self.fatal(&format!("failed to write {stream} to `{actual_path}`: {err}",)); } - println!("Saved the actual {stream} to {actual_path:?}"); + println!("Saved the actual {stream} to `{actual_path}`"); if !self.config.bless { if expected.is_empty() { @@ -2643,13 +2647,16 @@ impl<'test> TestCx<'test> { if !actual.is_empty() { if let Err(err) = fs::write(&expected_path, &actual) { - self.fatal(&format!("failed to write {stream} to `{expected_path:?}`: {err}")); + self.fatal(&format!("failed to write {stream} to `{expected_path}`: {err}")); } - println!("Blessing the {stream} of {test_name} in {expected_path:?}"); + println!( + "Blessing the {stream} of `{test_name}` as `{expected_path}`", + test_name = self.testpaths.file + ); } } - println!("\nThe actual {0} differed from the expected {0}.", stream); + println!("\nThe actual {stream} differed from the expected {stream}"); if self.config.bless { CompareOutcome::Blessed } else { CompareOutcome::Differed } } diff --git a/src/tools/coverage-dump/Cargo.toml b/src/tools/coverage-dump/Cargo.toml index 6f92ac50d96..36a66f16030 100644 --- a/src/tools/coverage-dump/Cargo.toml +++ b/src/tools/coverage-dump/Cargo.toml @@ -10,6 +10,6 @@ anyhow = "1.0.71" itertools = "0.12" leb128 = "0.2.5" md5 = { package = "md-5" , version = "0.10.5" } -miniz_oxide = "0.7.1" +miniz_oxide = "0.8.8" regex = "1.8.4" rustc-demangle = "0.1.23" diff --git a/src/tools/miri/Cargo.toml b/src/tools/miri/Cargo.toml index 7b7be97aa51..e4d7abdb0f7 100644 --- a/src/tools/miri/Cargo.toml +++ b/src/tools/miri/Cargo.toml @@ -6,7 +6,7 @@ name = "miri" repository = "https://github.com/rust-lang/miri" version = "0.1.0" default-run = "miri" -edition = "2021" +edition = "2024" [lib] test = true # we have unit tests diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md index a78cc9d9319..b692ddab4ff 100644 --- a/src/tools/miri/README.md +++ b/src/tools/miri/README.md @@ -393,6 +393,9 @@ to Miri failing to detect cases of undefined behavior in a program. disables the randomization of the next thread to be picked, instead fixing a round-robin schedule. Note however that other aspects of Miri's concurrency behavior are still randomize; use `-Zmiri-deterministic-concurrency` to disable them all. +* `-Zmiri-force-intrinsic-fallback` forces the use of the "fallback" body for all intrinsics that + have one. This is useful to test the fallback bodies, but should not be used otherwise. It is + **unsound** since the fallback body might not be checking for all UB. * `-Zmiri-native-lib=<path to a shared object file>` is an experimental flag for providing support for calling native functions from inside the interpreter via FFI. The flag is supported only on Unix systems. Functions not provided by that file are still executed via the usual Miri shims. diff --git a/src/tools/miri/cargo-miri/Cargo.toml b/src/tools/miri/cargo-miri/Cargo.toml index ed142b0e211..23048914af1 100644 --- a/src/tools/miri/cargo-miri/Cargo.toml +++ b/src/tools/miri/cargo-miri/Cargo.toml @@ -5,7 +5,7 @@ license = "MIT OR Apache-2.0" name = "cargo-miri" repository = "https://github.com/rust-lang/miri" version = "0.1.0" -edition = "2021" +edition = "2024" [[bin]] name = "cargo-miri" diff --git a/src/tools/miri/cargo-miri/src/main.rs b/src/tools/miri/cargo-miri/src/main.rs index 322ef0a6c2a..4c01a81fdfd 100644 --- a/src/tools/miri/cargo-miri/src/main.rs +++ b/src/tools/miri/cargo-miri/src/main.rs @@ -63,27 +63,37 @@ fn main() { return; } + let Some(first) = args.next() else { + show_error!( + "`cargo-miri` called without first argument; please only invoke this binary through `cargo miri`" + ) + }; + // The way rustdoc invokes rustc is indistinguishable from the way cargo invokes rustdoc by the // arguments alone. `phase_cargo_rustdoc` sets this environment variable to let us disambiguate. if env::var_os("MIRI_CALLED_FROM_RUSTDOC").is_some() { // ...however, we then also see this variable when rustdoc invokes us as the testrunner! - // The runner is invoked as `$runtool ($runtool-arg)* output_file`; - // since we don't specify any runtool-args, and rustdoc supplies multiple arguments to - // the test-builder unconditionally, we can just check the number of remaining arguments: - if args.len() == 1 { - phase_runner(args, RunnerPhase::Rustdoc); - } else { - phase_rustc(args, RustcPhase::Rustdoc); + // In that case the first argument is `runner` and there are no more arguments. + match first.as_str() { + "runner" => phase_runner(args, RunnerPhase::Rustdoc), + flag if flag.starts_with("--") || flag.starts_with("@") => { + // This is probably rustdoc invoking us to build the test. But we need to get `first` + // "back onto the iterator", it is some part of the rustc invocation. + phase_rustc(iter::once(first).chain(args), RustcPhase::Rustdoc); + } + _ => { + show_error!( + "`cargo-miri` failed to recognize which phase of the build process this is, please report a bug.\n\ + We are inside MIRI_CALLED_FROM_RUSTDOC.\n\ + The command-line arguments were: {:#?}", + Vec::from_iter(env::args()), + ); + } } return; } - let Some(first) = args.next() else { - show_error!( - "`cargo-miri` called without first argument; please only invoke this binary through `cargo miri`" - ) - }; match first.as_str() { "miri" => phase_cargo_miri(args), "runner" => phase_runner(args, RunnerPhase::Cargo), diff --git a/src/tools/miri/cargo-miri/src/phases.rs b/src/tools/miri/cargo-miri/src/phases.rs index cb62e12413c..4857f62cd3a 100644 --- a/src/tools/miri/cargo-miri/src/phases.rs +++ b/src/tools/miri/cargo-miri/src/phases.rs @@ -176,6 +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); + // 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). @@ -666,11 +671,6 @@ pub fn phase_rustdoc(mut args: impl Iterator<Item = String>) { if arg == "--extern" { // Patch --extern arguments to use *.rmeta files, since phase_cargo_rustc only creates stub *.rlib files. forward_patched_extern_arg(&mut args, &mut cmd); - } else if arg == "--test-runtool" { - // An existing --test-runtool flag indicates cargo is running in cross-target mode, which we don't support. - // Note that this is only passed when cargo is run with the unstable -Zdoctest-xcompile flag; - // otherwise, we won't be called as rustdoc at all. - show_error!("cross-interpreting doctests is not currently supported by Miri."); } else { cmd.arg(arg); } @@ -702,10 +702,10 @@ pub fn phase_rustdoc(mut args: impl Iterator<Item = String>) { // make sure the 'miri' flag is set for rustdoc cmd.arg("--cfg").arg("miri"); - // Make rustdoc call us back. + // Make rustdoc call us back for the build. + // (cargo already sets `--test-runtool` to us since we are the cargo test runner.) let cargo_miri_path = env::current_exe().expect("current executable path invalid"); cmd.arg("--test-builder").arg(&cargo_miri_path); // invoked by forwarding most arguments - cmd.arg("--test-runtool").arg(&cargo_miri_path); // invoked with just a single path argument debug_cmd("[cargo-miri rustdoc]", verbose, &cmd); exec(cmd) diff --git a/src/tools/miri/cargo-miri/src/setup.rs b/src/tools/miri/cargo-miri/src/setup.rs index 7afc8481009..b9b58c04f9e 100644 --- a/src/tools/miri/cargo-miri/src/setup.rs +++ b/src/tools/miri/cargo-miri/src/setup.rs @@ -24,11 +24,9 @@ pub fn setup( let ask_user = !only_setup; let print_sysroot = only_setup && has_arg_flag("--print-sysroot"); // whether we just print the sysroot path let show_setup = only_setup && !print_sysroot; - if !only_setup { - if let Some(sysroot) = std::env::var_os("MIRI_SYSROOT") { - // Skip setup step if MIRI_SYSROOT is explicitly set, *unless* we are `cargo miri setup`. - return sysroot.into(); - } + if !only_setup && let Some(sysroot) = std::env::var_os("MIRI_SYSROOT") { + // Skip setup step if MIRI_SYSROOT is explicitly set, *unless* we are `cargo miri setup`. + return sysroot.into(); } // Determine where the rust sources are located. The env var trumps auto-detection. diff --git a/src/tools/miri/miri-script/Cargo.toml b/src/tools/miri/miri-script/Cargo.toml index a04898de6ab..462a9cc62bf 100644 --- a/src/tools/miri/miri-script/Cargo.toml +++ b/src/tools/miri/miri-script/Cargo.toml @@ -6,7 +6,7 @@ name = "miri-script" repository = "https://github.com/rust-lang/miri" version = "0.1.0" default-run = "miri-script" -edition = "2021" +edition = "2024" [workspace] # We make this a workspace root so that cargo does not go looking in ../Cargo.toml for the workspace root. diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs index 1c9750e2cbd..3b7b159aeab 100644 --- a/src/tools/miri/miri-script/src/commands.rs +++ b/src/tools/miri/miri-script/src/commands.rs @@ -675,11 +675,9 @@ impl Command { let mut early_flags = Vec::<OsString>::new(); // In `dep` mode, the target is already passed via `MIRI_TEST_TARGET` - if !dep { - if let Some(target) = &target { - early_flags.push("--target".into()); - early_flags.push(target.into()); - } + if !dep && let Some(target) = &target { + early_flags.push("--target".into()); + early_flags.push(target.into()); } early_flags.push("--edition".into()); early_flags.push(edition.as_deref().unwrap_or("2021").into()); @@ -707,10 +705,8 @@ impl Command { // Add Miri flags let mut cmd = cmd.args(&miri_flags).args(&early_flags).args(&flags); // For `--dep` we also need to set the target in the env var. - if dep { - if let Some(target) = &target { - cmd = cmd.env("MIRI_TEST_TARGET", target); - } + if dep && let Some(target) = &target { + cmd = cmd.env("MIRI_TEST_TARGET", target); } // Finally, run the thing. Ok(cmd.run()?) diff --git a/src/tools/miri/miri-script/src/util.rs b/src/tools/miri/miri-script/src/util.rs index c039b4827ee..5c2a055990f 100644 --- a/src/tools/miri/miri-script/src/util.rs +++ b/src/tools/miri/miri-script/src/util.rs @@ -213,7 +213,7 @@ impl MiriEnv { let toolchain = &self.toolchain; let mut cmd = cmd!( self.sh, - "rustfmt +{toolchain} --edition=2021 --config-path {config_path} --unstable-features --skip-children {flags...}" + "rustfmt +{toolchain} --edition=2024 --config-path {config_path} --unstable-features --skip-children {flags...}" ); if first { // Log an abbreviating command, and only once. diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 97bc826b57a..8b98fe3c4fc 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -2ad5f8607d0e192b60b130e5cc416b477b351c18 +ac17c3486c6fdfbb0c3c18b99f3d8dfbff625d29 diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index 69aa035fdc3..469fc264970 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -459,7 +459,7 @@ fn jemalloc_magic() { // linking, so we need to explicitly depend on the function. #[cfg(target_os = "macos")] { - extern "C" { + unsafe extern "C" { fn _rjem_je_zone_register(); } @@ -584,6 +584,8 @@ fn main() { } else if arg == "-Zmiri-ignore-leaks" { miri_config.ignore_leaks = true; miri_config.collect_leak_backtraces = false; + } else if arg == "-Zmiri-force-intrinsic-fallback" { + miri_config.force_intrinsic_fallback = true; } else if arg == "-Zmiri-strict-provenance" { miri_config.provenance_mode = ProvenanceMode::Strict; } else if arg == "-Zmiri-permissive-provenance" { 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 b2fd9b2bf05..f5a0013047a 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs @@ -179,7 +179,7 @@ impl NodeDebugInfo { /// Add a name to the tag. If a same tag is associated to several pointers, /// it can have several names which will be separated by commas. pub fn add_name(&mut self, name: &str) { - if let Some(ref mut prev_name) = &mut self.name { + if let Some(prev_name) = &mut self.name { prev_name.push_str(", "); prev_name.push_str(name); } else { diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index 89768077d87..10570a37e5d 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -648,8 +648,7 @@ impl<'tcx> MiriMachine<'tcx> { AccessedAlloc(AllocId(id), access_kind) => format!("{access_kind} to allocation with id {id}"), FreedAlloc(AllocId(id)) => format!("freed allocation with id {id}"), - RejectedIsolatedOp(ref op) => - format!("{op} was made to return an error due to isolation"), + RejectedIsolatedOp(op) => format!("{op} was made to return an error due to isolation"), ProgressReport { .. } => format!("progress report: current operation being executed is here"), Int2Ptr { .. } => format!("integer-to-pointer cast"), diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index bb5e5d7ee81..a90c6ab9d40 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -165,6 +165,8 @@ pub struct MiriConfig { pub address_reuse_cross_thread_rate: f64, /// Round Robin scheduling with no preemption. pub fixed_scheduling: bool, + /// Always prefer the intrinsic fallback body over the native Miri implementation. + pub force_intrinsic_fallback: bool, } impl Default for MiriConfig { @@ -203,6 +205,7 @@ impl Default for MiriConfig { address_reuse_rate: 0.5, address_reuse_cross_thread_rate: 0.1, fixed_scheduling: false, + force_intrinsic_fallback: false, } } } diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index a3aa8bbbfb3..8e7c9edfcc0 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -932,12 +932,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { self.read_c_str_with_char_size(ptr, wchar_t.size, wchar_t.align.abi) } - /// Check that the ABI is what we expect. - fn check_abi<'a>(&self, fn_abi: &FnAbi<'tcx, Ty<'tcx>>, exp_abi: Conv) -> InterpResult<'a, ()> { + /// 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, ()> { if fn_abi.conv != exp_abi { throw_ub_format!( - "calling a function with ABI {:?} using caller ABI {:?}", - exp_abi, + "calling a function with calling convention {exp_abi} using caller calling convention {}", fn_abi.conv ); } @@ -973,7 +976,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { exp_abi: Conv, link_name: Symbol, ) -> InterpResult<'tcx, ()> { - self.check_abi(abi, exp_abi)?; + self.check_callconv(abi, exp_abi)?; if let Some((body, instance)) = self.eval_context_mut().lookup_exported_symbol(link_name)? { // If compiler-builtins is providing the symbol, then don't treat it as a clash. // We'll use our built-in implementation in `emulate_foreign_item_inner` for increased diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 3334c0b5edf..982fbc31811 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -28,6 +28,16 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ) -> InterpResult<'tcx, Option<ty::Instance<'tcx>>> { let this = self.eval_context_mut(); + // Force use of fallback body, if available. + if this.machine.force_intrinsic_fallback + && !this.tcx.intrinsic(instance.def_id()).unwrap().must_be_overridden + { + return interp_ok(Some(ty::Instance { + def: ty::InstanceKind::Item(instance.def_id()), + args: instance.args, + })); + } + // See if the core engine can handle this intrinsic. if this.eval_intrinsic(instance, args, dest, ret)? { return interp_ok(None); diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index db2bf423c0c..329a7e56bc0 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -9,7 +9,6 @@ #![feature(variant_count)] #![feature(yeet_expr)] #![feature(nonzero_ops)] -#![feature(let_chains)] #![feature(strict_overflow_ops)] #![feature(pointer_is_aligned_to)] #![feature(unqualified_local_imports)] diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 31b8eedc29a..1c6c7894cb4 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -614,6 +614,9 @@ pub struct MiriMachine<'tcx> { /// Cache for `mangle_internal_symbol`. pub(crate) mangle_internal_symbol_cache: FxHashMap<&'static str, String>, + + /// Always prefer the intrinsic fallback body over the native Miri implementation. + pub force_intrinsic_fallback: bool, } impl<'tcx> MiriMachine<'tcx> { @@ -770,6 +773,7 @@ impl<'tcx> MiriMachine<'tcx> { reject_in_isolation_warned: Default::default(), int2ptr_warned: Default::default(), mangle_internal_symbol_cache: Default::default(), + force_intrinsic_fallback: config.force_intrinsic_fallback, } } @@ -946,6 +950,7 @@ impl VisitProvenance for MiriMachine<'_> { reject_in_isolation_warned: _, int2ptr_warned: _, mangle_internal_symbol_cache: _, + force_intrinsic_fallback: _, } = self; threads.visit_provenance(visit); diff --git a/src/tools/miri/src/shims/native_lib.rs b/src/tools/miri/src/shims/native_lib.rs index 0258a76c3e7..837e1b31cac 100644 --- a/src/tools/miri/src/shims/native_lib.rs +++ b/src/tools/miri/src/shims/native_lib.rs @@ -117,7 +117,12 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let mut info = std::mem::MaybeUninit::<libc::Dl_info>::uninit(); 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() + 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; + if std::ffi::CStr::from_ptr(fname_ptr).to_str().unwrap() != _lib_path.to_str().unwrap() { return None; diff --git a/src/tools/miri/src/shims/panic.rs b/src/tools/miri/src/shims/panic.rs index 18af8214876..b5ed5ea837b 100644 --- a/src/tools/miri/src/shims/panic.rs +++ b/src/tools/miri/src/shims/panic.rs @@ -85,6 +85,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Now we make a function call, and pass `data` as first and only argument. let f_instance = this.get_ptr_fn(try_fn)?.as_instance()?; trace!("try_fn: {:?}", f_instance); + #[allow(clippy::cloned_ref_to_slice_refs)] // the code is clearer as-is this.call_function( f_instance, ExternAbi::Rust, diff --git a/src/tools/miri/test-cargo-miri/run-test.py b/src/tools/miri/test-cargo-miri/run-test.py index a9d09ac7a9d..40bfe7f845f 100755 --- a/src/tools/miri/test-cargo-miri/run-test.py +++ b/src/tools/miri/test-cargo-miri/run-test.py @@ -142,24 +142,19 @@ def test_cargo_miri_run(): ) def test_cargo_miri_test(): - # rustdoc is not run on foreign targets - is_foreign = ARGS.target is not None - default_ref = "test.cross-target.stdout.ref" if is_foreign else "test.default.stdout.ref" - filter_ref = "test.filter.cross-target.stdout.ref" if is_foreign else "test.filter.stdout.ref" - test("`cargo miri test`", cargo_miri("test"), - default_ref, "test.empty.ref", + "test.default.stdout.ref", "test.empty.ref", env={'MIRIFLAGS': "-Zmiri-seed=4242"}, ) test("`cargo miri test` (no isolation, no doctests)", cargo_miri("test") + ["--bins", "--tests"], # no `--lib`, we disabled that in `Cargo.toml` - "test.cross-target.stdout.ref", "test.empty.ref", + "test.no-doc.stdout.ref", "test.empty.ref", env={'MIRIFLAGS': "-Zmiri-disable-isolation"}, ) test("`cargo miri test` (with filter)", cargo_miri("test") + ["--", "--format=pretty", "pl"], - filter_ref, "test.empty.ref", + "test.filter.stdout.ref", "test.empty.ref", ) test("`cargo miri test` (test target)", cargo_miri("test") + ["--test", "test", "--", "--format=pretty"], @@ -171,7 +166,7 @@ def test_cargo_miri_test(): ) test("`cargo miri t` (subcrate, no isolation)", cargo_miri("t") + ["-p", "subcrate"], - "test.subcrate.cross-target.stdout.ref" if is_foreign else "test.subcrate.stdout.ref", + "test.subcrate.stdout.ref", "test.empty.ref", env={'MIRIFLAGS': "-Zmiri-disable-isolation"}, ) @@ -181,12 +176,12 @@ def test_cargo_miri_test(): ) test("`cargo miri test` (custom target dir)", cargo_miri("test") + ["--target-dir=custom-test"], - default_ref, "test.empty.ref", + "test.default.stdout.ref", "test.empty.ref", ) del os.environ["CARGO_TARGET_DIR"] # this overrides `build.target-dir` passed by `--config`, so unset it test("`cargo miri test` (config-cli)", cargo_miri("test") + ["--config=build.target-dir=\"config-cli\""], - default_ref, "test.empty.ref", + "test.default.stdout.ref", "test.empty.ref", ) if ARGS.multi_target: test_cargo_miri_multi_target() diff --git a/src/tools/miri/test-cargo-miri/test.filter.cross-target.stdout.ref b/src/tools/miri/test-cargo-miri/test.filter.cross-target.stdout.ref deleted file mode 100644 index 59b4deb1ff3..00000000000 --- a/src/tools/miri/test-cargo-miri/test.filter.cross-target.stdout.ref +++ /dev/null @@ -1,12 +0,0 @@ - -running 0 tests - -test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 2 filtered out; finished in $TIME - -imported main - -running 1 test -test simple ... ok - -test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 5 filtered out; finished in $TIME - diff --git a/src/tools/miri/test-cargo-miri/test.multiple_targets.stdout.ref b/src/tools/miri/test-cargo-miri/test.multiple_targets.stdout.ref index 567c5db07d0..a376530a8cf 100644 --- a/src/tools/miri/test-cargo-miri/test.multiple_targets.stdout.ref +++ b/src/tools/miri/test-cargo-miri/test.multiple_targets.stdout.ref @@ -20,3 +20,13 @@ running 6 tests ...i.. test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in $TIME + +running 5 tests +..... +test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME + + +running 5 tests +..... +test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME + diff --git a/src/tools/miri/test-cargo-miri/test.cross-target.stdout.ref b/src/tools/miri/test-cargo-miri/test.no-doc.stdout.ref index 2ef124e4de8..2ef124e4de8 100644 --- a/src/tools/miri/test-cargo-miri/test.cross-target.stdout.ref +++ b/src/tools/miri/test-cargo-miri/test.no-doc.stdout.ref diff --git a/src/tools/miri/test-cargo-miri/test.subcrate.cross-target.stdout.ref b/src/tools/miri/test-cargo-miri/test.subcrate.cross-target.stdout.ref deleted file mode 100644 index 436e6e4fbbb..00000000000 --- a/src/tools/miri/test-cargo-miri/test.subcrate.cross-target.stdout.ref +++ /dev/null @@ -1,11 +0,0 @@ - -running 0 tests - -test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME - - -running 0 tests - -test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME - -subcrate testing diff --git a/src/tools/miri/tests/fail/alloc/alloc_error_handler.rs b/src/tools/miri/tests/fail/alloc/alloc_error_handler.rs index 2097126e16b..4a87411d755 100644 --- a/src/tools/miri/tests/fail/alloc/alloc_error_handler.rs +++ b/src/tools/miri/tests/fail/alloc/alloc_error_handler.rs @@ -1,5 +1,5 @@ //@error-in-other-file: aborted -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" #![feature(allocator_api)] diff --git a/src/tools/miri/tests/fail/alloc/alloc_error_handler.stderr b/src/tools/miri/tests/fail/alloc/alloc_error_handler.stderr index 3642f3f28ca..fa84da841fd 100644 --- a/src/tools/miri/tests/fail/alloc/alloc_error_handler.stderr +++ b/src/tools/miri/tests/fail/alloc/alloc_error_handler.stderr @@ -2,7 +2,7 @@ memory allocation of 4 bytes failed error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/function_calls/check_arg_abi.rs b/src/tools/miri/tests/fail/function_calls/check_arg_abi.rs index ffa0443ce50..0e916364169 100644 --- a/src/tools/miri/tests/fail/function_calls/check_arg_abi.rs +++ b/src/tools/miri/tests/fail/function_calls/check_arg_abi.rs @@ -4,6 +4,6 @@ fn main() { } unsafe { - let _ = malloc(0); //~ ERROR: calling a function with ABI C using caller ABI Rust + let _ = malloc(0); //~ ERROR: calling a function with calling convention "C" using caller calling convention "Rust" }; } diff --git a/src/tools/miri/tests/fail/function_calls/check_arg_abi.stderr b/src/tools/miri/tests/fail/function_calls/check_arg_abi.stderr index bf1fbb7721f..78730182923 100644 --- a/src/tools/miri/tests/fail/function_calls/check_arg_abi.stderr +++ b/src/tools/miri/tests/fail/function_calls/check_arg_abi.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: calling a function with ABI C using caller ABI Rust +error: Undefined Behavior: calling a function with calling convention "C" using caller calling convention "Rust" --> tests/fail/function_calls/check_arg_abi.rs:LL:CC | LL | let _ = malloc(0); - | ^^^^^^^^^ calling a function with ABI C using caller ABI Rust + | ^^^^^^^^^ calling a function with calling convention "C" using caller calling convention "Rust" | = 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/function_calls/check_callback_abi.rs b/src/tools/miri/tests/fail/function_calls/check_callback_abi.rs index 6a7a26710d1..177e38105e6 100644 --- a/src/tools/miri/tests/fail/function_calls/check_callback_abi.rs +++ b/src/tools/miri/tests/fail/function_calls/check_callback_abi.rs @@ -9,7 +9,7 @@ fn main() { // Make sure we check the ABI when Miri itself invokes a function // as part of a shim implementation. std::intrinsics::catch_unwind( - //~^ ERROR: calling a function with calling convention C using calling convention Rust + //~^ ERROR: calling a function with calling convention "C" using calling convention "Rust" std::mem::transmute::<extern "C" fn(*mut u8), _>(try_fn), std::ptr::null_mut(), |_, _| unreachable!(), diff --git a/src/tools/miri/tests/fail/function_calls/check_callback_abi.stderr b/src/tools/miri/tests/fail/function_calls/check_callback_abi.stderr index 6b0692e1c6e..20182ac9236 100644 --- a/src/tools/miri/tests/fail/function_calls/check_callback_abi.stderr +++ b/src/tools/miri/tests/fail/function_calls/check_callback_abi.stderr @@ -1,4 +1,4 @@ -error: Undefined Behavior: calling a function with calling convention C using calling convention Rust +error: Undefined Behavior: calling a function with calling convention "C" using calling convention "Rust" --> tests/fail/function_calls/check_callback_abi.rs:LL:CC | LL | / std::intrinsics::catch_unwind( @@ -7,7 +7,7 @@ LL | | std::mem::transmute::<extern "C" fn(*mut u8), _>(try_fn), LL | | std::ptr::null_mut(), LL | | |_, _| unreachable!(), LL | | ); - | |_________^ calling a function with calling convention C using calling convention Rust + | |_________^ calling a function with calling convention "C" using calling convention "Rust" | = 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/function_calls/exported_symbol_abi_mismatch.cache.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.cache.stderr index e4302ad1d3a..46a32d1487e 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.cache.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.cache.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: calling a function with calling convention Rust using calling convention C +error: Undefined Behavior: calling a function with calling convention "Rust" using calling convention "C" --> tests/fail/function_calls/exported_symbol_abi_mismatch.rs:LL:CC | LL | foo(); - | ^^^^^ calling a function with calling convention Rust using calling convention C + | ^^^^^ calling a function with calling convention "Rust" using calling convention "C" | = 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/function_calls/exported_symbol_abi_mismatch.fn_ptr.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.fn_ptr.stderr index 9f40c48b338..38725289919 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.fn_ptr.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.fn_ptr.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: calling a function with calling convention Rust using calling convention C +error: Undefined Behavior: calling a function with calling convention "Rust" using calling convention "C" --> tests/fail/function_calls/exported_symbol_abi_mismatch.rs:LL:CC | LL | std::mem::transmute::<unsafe fn(), unsafe extern "C" fn()>(foo)(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling a function with calling convention Rust using calling convention C + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling a function with calling convention "Rust" using calling convention "C" | = 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/function_calls/exported_symbol_abi_mismatch.no_cache.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.no_cache.stderr index e4302ad1d3a..46a32d1487e 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.no_cache.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.no_cache.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: calling a function with calling convention Rust using calling convention C +error: Undefined Behavior: calling a function with calling convention "Rust" using calling convention "C" --> tests/fail/function_calls/exported_symbol_abi_mismatch.rs:LL:CC | LL | foo(); - | ^^^^^ calling a function with calling convention Rust using calling convention C + | ^^^^^ calling a function with calling convention "Rust" using calling convention "C" | = 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/function_calls/exported_symbol_abi_mismatch.rs b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.rs index 50a0e8e6ede..1950e162c07 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.rs +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_abi_mismatch.rs @@ -12,7 +12,7 @@ fn main() { #[cfg(fn_ptr)] unsafe { std::mem::transmute::<unsafe fn(), unsafe extern "C" fn()>(foo)(); - //~[fn_ptr]^ ERROR: calling a function with calling convention Rust using calling convention C + //~[fn_ptr]^ ERROR: calling a function with calling convention "Rust" using calling convention "C" } // `Instance` caching should not suppress ABI check. @@ -28,8 +28,8 @@ fn main() { } unsafe { foo(); - //~[no_cache]^ ERROR: calling a function with calling convention Rust using calling convention C - //~[cache]| ERROR: calling a function with calling convention Rust using calling convention C + //~[no_cache]^ ERROR: calling a function with calling convention "Rust" using calling convention "C" + //~[cache]| ERROR: calling a function with calling convention "Rust" using calling convention "C" } } } diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr index b2a501db776..7cb2bf99678 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr @@ -11,7 +11,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr index b2a501db776..7cb2bf99678 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr @@ -11,7 +11,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.rs b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.rs index 1382e9571f3..9d993786d57 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.rs +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.rs @@ -1,5 +1,5 @@ //@revisions: extern_block definition both -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.rs b/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.rs index 6e0e0ca9f53..dd3246d8120 100644 --- a/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.rs +++ b/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.rs @@ -1,4 +1,4 @@ -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr b/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr index 2c9bea1724d..ba96e595bee 100644 --- a/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr +++ b/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr @@ -7,7 +7,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.rs b/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.rs index 0e8d3d08c12..3d355bad626 100644 --- a/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.rs +++ b/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.rs @@ -1,4 +1,4 @@ -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr b/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr index 0634298a38f..7e1f4160cc0 100644 --- a/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr +++ b/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr @@ -7,7 +7,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/panic/abort_unwind.rs b/src/tools/miri/tests/fail/panic/abort_unwind.rs index e313d9c11de..bd819362da4 100644 --- a/src/tools/miri/tests/fail/panic/abort_unwind.rs +++ b/src/tools/miri/tests/fail/panic/abort_unwind.rs @@ -1,5 +1,5 @@ //@error-in-other-file: the program aborted execution -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/panic/abort_unwind.stderr b/src/tools/miri/tests/fail/panic/abort_unwind.stderr index 3a63cb38ad0..e6668b09f66 100644 --- a/src/tools/miri/tests/fail/panic/abort_unwind.stderr +++ b/src/tools/miri/tests/fail/panic/abort_unwind.stderr @@ -11,7 +11,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/panic/double_panic.rs b/src/tools/miri/tests/fail/panic/double_panic.rs index ddc75521eca..4d8f4cb6fb7 100644 --- a/src/tools/miri/tests/fail/panic/double_panic.rs +++ b/src/tools/miri/tests/fail/panic/double_panic.rs @@ -1,4 +1,4 @@ -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/panic/double_panic.stderr b/src/tools/miri/tests/fail/panic/double_panic.stderr index 16e933be434..67f88955def 100644 --- a/src/tools/miri/tests/fail/panic/double_panic.stderr +++ b/src/tools/miri/tests/fail/panic/double_panic.stderr @@ -14,7 +14,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/panic/panic_abort1.rs b/src/tools/miri/tests/fail/panic/panic_abort1.rs index 7552c7b7e80..06cb673778a 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort1.rs +++ b/src/tools/miri/tests/fail/panic/panic_abort1.rs @@ -1,6 +1,6 @@ //@error-in-other-file: the program aborted execution //@normalize-stderr-test: "\| +\^+" -> "| ^" -//@normalize-stderr-test: "unsafe \{ libc::abort\(\); \}|core::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@compile-flags: -C panic=abort fn main() { diff --git a/src/tools/miri/tests/fail/panic/panic_abort1.stderr b/src/tools/miri/tests/fail/panic/panic_abort1.stderr index c950b2b4ea6..6d56874ebde 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort1.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort1.stderr @@ -4,13 +4,15 @@ panicking from libstd note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect error: abnormal termination: the program aborted execution - --> RUSTLIB/panic_abort/src/lib.rs:LL:CC + --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: - = note: inside `panic_abort::__rust_start_panic::abort` at RUSTLIB/panic_abort/src/lib.rs:LL:CC + = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC + = note: inside `std::process::abort` at RUSTLIB/std/src/process.rs:LL:CC + = note: inside `std::rt::__rust_abort` at RUSTLIB/std/src/rt.rs:LL:CC = note: inside `panic_abort::__rust_start_panic` at RUSTLIB/panic_abort/src/lib.rs:LL:CC = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort2.rs b/src/tools/miri/tests/fail/panic/panic_abort2.rs index 624f9933545..c011b3ee7eb 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort2.rs +++ b/src/tools/miri/tests/fail/panic/panic_abort2.rs @@ -1,6 +1,6 @@ //@error-in-other-file: the program aborted execution //@normalize-stderr-test: "\| +\^+" -> "| ^" -//@normalize-stderr-test: "unsafe \{ libc::abort\(\); \}|core::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@compile-flags: -C panic=abort fn main() { diff --git a/src/tools/miri/tests/fail/panic/panic_abort2.stderr b/src/tools/miri/tests/fail/panic/panic_abort2.stderr index 9a9266ec493..dbb56f13f48 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort2.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort2.stderr @@ -4,13 +4,15 @@ thread 'main' panicked at tests/fail/panic/panic_abort2.rs:LL:CC: note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect error: abnormal termination: the program aborted execution - --> RUSTLIB/panic_abort/src/lib.rs:LL:CC + --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: - = note: inside `panic_abort::__rust_start_panic::abort` at RUSTLIB/panic_abort/src/lib.rs:LL:CC + = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC + = note: inside `std::process::abort` at RUSTLIB/std/src/process.rs:LL:CC + = note: inside `std::rt::__rust_abort` at RUSTLIB/std/src/rt.rs:LL:CC = note: inside `panic_abort::__rust_start_panic` at RUSTLIB/panic_abort/src/lib.rs:LL:CC = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort3.rs b/src/tools/miri/tests/fail/panic/panic_abort3.rs index d1435b55946..911dc4a44ab 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort3.rs +++ b/src/tools/miri/tests/fail/panic/panic_abort3.rs @@ -1,6 +1,6 @@ //@error-in-other-file: the program aborted execution //@normalize-stderr-test: "\| +\^+" -> "| ^" -//@normalize-stderr-test: "unsafe \{ libc::abort\(\); \}|core::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@compile-flags: -C panic=abort fn main() { diff --git a/src/tools/miri/tests/fail/panic/panic_abort3.stderr b/src/tools/miri/tests/fail/panic/panic_abort3.stderr index f04a2b0f3f1..7f0564879e4 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort3.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort3.stderr @@ -4,13 +4,15 @@ panicking from libcore note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect error: abnormal termination: the program aborted execution - --> RUSTLIB/panic_abort/src/lib.rs:LL:CC + --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: - = note: inside `panic_abort::__rust_start_panic::abort` at RUSTLIB/panic_abort/src/lib.rs:LL:CC + = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC + = note: inside `std::process::abort` at RUSTLIB/std/src/process.rs:LL:CC + = note: inside `std::rt::__rust_abort` at RUSTLIB/std/src/rt.rs:LL:CC = note: inside `panic_abort::__rust_start_panic` at RUSTLIB/panic_abort/src/lib.rs:LL:CC = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort4.rs b/src/tools/miri/tests/fail/panic/panic_abort4.rs index 54b9c9cbfdb..696fdff7422 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort4.rs +++ b/src/tools/miri/tests/fail/panic/panic_abort4.rs @@ -1,6 +1,6 @@ //@error-in-other-file: the program aborted execution //@normalize-stderr-test: "\| +\^+" -> "| ^" -//@normalize-stderr-test: "unsafe \{ libc::abort\(\); \}|core::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@compile-flags: -C panic=abort fn main() { diff --git a/src/tools/miri/tests/fail/panic/panic_abort4.stderr b/src/tools/miri/tests/fail/panic/panic_abort4.stderr index e71c4879ea3..ce6910b9933 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort4.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort4.stderr @@ -4,13 +4,15 @@ thread 'main' panicked at tests/fail/panic/panic_abort4.rs:LL:CC: note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect error: abnormal termination: the program aborted execution - --> RUSTLIB/panic_abort/src/lib.rs:LL:CC + --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: - = note: inside `panic_abort::__rust_start_panic::abort` at RUSTLIB/panic_abort/src/lib.rs:LL:CC + = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC + = note: inside `std::process::abort` at RUSTLIB/std/src/process.rs:LL:CC + = note: inside `std::rt::__rust_abort` at RUSTLIB/std/src/rt.rs:LL:CC = note: inside `panic_abort::__rust_start_panic` at RUSTLIB/panic_abort/src/lib.rs:LL:CC = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.rs b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.rs index 6f627c416b0..6119e8604b4 100644 --- a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.rs +++ b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.rs @@ -1,6 +1,6 @@ //! This is a regression test for <https://github.com/rust-lang/miri/issues/4188>: The precondition //! check in `ptr::swap_nonoverlapping` was incorrectly disabled in Miri. -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr index 80dd2f39b42..f57487e3ffe 100644 --- a/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr +++ b/src/tools/miri/tests/fail/ptr_swap_nonoverlapping.stderr @@ -9,7 +9,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/tail_calls/cc-mismatch.rs b/src/tools/miri/tests/fail/tail_calls/cc-mismatch.rs index 5f00dbf2573..952f9697fc7 100644 --- a/src/tools/miri/tests/fail/tail_calls/cc-mismatch.rs +++ b/src/tools/miri/tests/fail/tail_calls/cc-mismatch.rs @@ -1,4 +1,4 @@ -//@error-in-other-file: Undefined Behavior: calling a function with calling convention C using calling convention Rust +//@error-in-other-file: Undefined Behavior: calling a function with calling convention "C" using calling convention "Rust" #![feature(explicit_tail_calls)] #![allow(incomplete_features)] 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 5061c9e8dc3..61ddea64472 100644 --- a/src/tools/miri/tests/fail/tail_calls/cc-mismatch.stderr +++ b/src/tools/miri/tests/fail/tail_calls/cc-mismatch.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: calling a function with calling convention C using calling convention Rust +error: Undefined Behavior: calling a function with calling convention "C" using calling convention "Rust" --> RUSTLIB/core/src/ops/function.rs:LL:CC | LL | extern "rust-call" fn call_once(self, args: Args) -> Self::Output; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling a function with calling convention C using calling convention Rust + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ calling a function with calling convention "C" using calling convention "Rust" | = 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/terminate-terminator.rs b/src/tools/miri/tests/fail/terminate-terminator.rs index 465625c7572..31ae829a2de 100644 --- a/src/tools/miri/tests/fail/terminate-terminator.rs +++ b/src/tools/miri/tests/fail/terminate-terminator.rs @@ -1,5 +1,5 @@ //@compile-flags: -Zmir-opt-level=3 -Zinline-mir-hint-threshold=1000 -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/terminate-terminator.stderr b/src/tools/miri/tests/fail/terminate-terminator.stderr index f2548bf5cdb..d16119a30e6 100644 --- a/src/tools/miri/tests/fail/terminate-terminator.stderr +++ b/src/tools/miri/tests/fail/terminate-terminator.stderr @@ -13,7 +13,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/unwind-action-terminate.rs b/src/tools/miri/tests/fail/unwind-action-terminate.rs index 465e07c8db4..f0fbcfd8867 100644 --- a/src/tools/miri/tests/fail/unwind-action-terminate.rs +++ b/src/tools/miri/tests/fail/unwind-action-terminate.rs @@ -1,5 +1,5 @@ //@error-in-other-file: aborted execution -//@normalize-stderr-test: "unsafe \{ libc::abort\(\) \}|crate::intrinsics::abort\(\);" -> "ABORT();" +//@normalize-stderr-test: "\|.*::abort\(\).*" -> "| ABORT()" //@normalize-stderr-test: "\| +\^+" -> "| ^" //@normalize-stderr-test: "\n +[0-9]+:[^\n]+" -> "" //@normalize-stderr-test: "\n +at [^\n]+" -> "" diff --git a/src/tools/miri/tests/fail/unwind-action-terminate.stderr b/src/tools/miri/tests/fail/unwind-action-terminate.stderr index 7b9a4383fc4..222d4fb2866 100644 --- a/src/tools/miri/tests/fail/unwind-action-terminate.stderr +++ b/src/tools/miri/tests/fail/unwind-action-terminate.stderr @@ -11,7 +11,7 @@ thread caused non-unwinding panic. aborting. error: abnormal termination: the program aborted execution --> RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC | -LL | ABORT(); +LL | ABORT() | ^ the program aborted execution | = note: BACKTRACE: diff --git a/src/tools/miri/tests/fail/weak_memory/racing_mixed_size.stderr b/src/tools/miri/tests/fail/weak_memory/racing_mixed_size.stderr deleted file mode 100644 index a437ca34258..00000000000 --- a/src/tools/miri/tests/fail/weak_memory/racing_mixed_size.stderr +++ /dev/null @@ -1,22 +0,0 @@ -error: Undefined Behavior: Race condition detected between (1) 4-byte atomic store on thread `unnamed-ID` and (2) 2-byte atomic load on thread `unnamed-ID` at ALLOC. (2) just happened here - --> tests/fail/weak_memory/racing_mixed_size.rs:LL:CC - | -LL | std::intrinsics::atomic_load_relaxed(hi); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Race condition detected between (1) 4-byte atomic store on thread `unnamed-ID` and (2) 2-byte atomic load on thread `unnamed-ID` at ALLOC. (2) just happened here - | -help: and (1) occurred earlier here - --> tests/fail/weak_memory/racing_mixed_size.rs:LL:CC - | -LL | x.store(1, Relaxed); - | ^^^^^^^^^^^^^^^^^^^ - = help: overlapping unsynchronized atomic accesses must use the same access size - = help: see https://doc.rust-lang.org/nightly/std/sync/atomic/index.html#memory-model-for-atomic-accesses for more information about the Rust memory model - = 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) on thread `unnamed-ID`: - = note: inside closure at tests/fail/weak_memory/racing_mixed_size.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/pass/both_borrows/basic_aliasing_model.rs b/src/tools/miri/tests/pass/both_borrows/basic_aliasing_model.rs index c2b6a7e68be..c76e7f2eebd 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 @@ -12,7 +12,6 @@ fn main() { mut_raw_mut(); partially_invalidate_mut(); drop_after_sharing(); - // direct_mut_to_const_raw(); two_raw(); shr_and_raw(); disjoint_mutable_subborrows(); diff --git a/src/tools/miri/tests/pass/coroutine.rs b/src/tools/miri/tests/pass/coroutine.rs index 9ec9b1fc5bc..96b60b515cb 100644 --- a/src/tools/miri/tests/pass/coroutine.rs +++ b/src/tools/miri/tests/pass/coroutine.rs @@ -183,18 +183,18 @@ fn basic() { fn smoke_resume_arg() { fn drain<G: Coroutine<R, Yield = Y> + Unpin, R, Y>( - gen: &mut G, + gen_: &mut G, inout: Vec<(R, CoroutineState<Y, G::Return>)>, ) where Y: Debug + PartialEq, G::Return: Debug + PartialEq, { - let mut gen = Pin::new(gen); + let mut gen_ = Pin::new(gen_); for (input, out) in inout { - assert_eq!(gen.as_mut().resume(input), out); + assert_eq!(gen_.as_mut().resume(input), out); // Test if the coroutine is valid (according to type invariants). - let _ = unsafe { ManuallyDrop::new(ptr::read(gen.as_mut().get_unchecked_mut())) }; + let _ = unsafe { ManuallyDrop::new(ptr::read(gen_.as_mut().get_unchecked_mut())) }; } } diff --git a/src/tools/miri/tests/pass/intrinsics/intrinsics.rs b/src/tools/miri/tests/pass/intrinsics/intrinsics.rs index 89289a25d50..913c3cde272 100644 --- a/src/tools/miri/tests/pass/intrinsics/intrinsics.rs +++ b/src/tools/miri/tests/pass/intrinsics/intrinsics.rs @@ -33,20 +33,24 @@ fn main() { assert_eq!(intrinsics::likely(false), false); assert_eq!(intrinsics::unlikely(true), true); - let mut saw_true = false; - let mut saw_false = false; + // Skip this test when we use the fallback bodies, as that one is deterministic. + // (CI sets `--cfg force_intrinsic_fallback` together with `-Zmiri-force-intrinsic-fallback`.) + if !cfg!(force_intrinsic_fallback) { + let mut saw_true = false; + let mut saw_false = false; - for _ in 0..50 { - if intrinsics::is_val_statically_known(0) { - saw_true = true; - } else { - saw_false = true; + for _ in 0..50 { + if intrinsics::is_val_statically_known(0) { + saw_true = true; + } else { + saw_false = true; + } } + assert!( + saw_true && saw_false, + "`is_val_statically_known` failed to return both true and false. Congrats, you won the lottery!" + ); } - assert!( - saw_true && saw_false, - "`is_val_statically_known` failed to return both true and false. Congrats, you won the lottery!" - ); intrinsics::forget(Bomb); 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/ui.rs b/src/tools/miri/tests/ui.rs index c37cf15d40a..46472b51f9c 100644 --- a/src/tools/miri/tests/ui.rs +++ b/src/tools/miri/tests/ui.rs @@ -44,8 +44,7 @@ pub fn flagsplit(flags: &str) -> Vec<String> { fn build_native_lib() -> PathBuf { let cc = env::var("CC").unwrap_or_else(|_| "cc".into()); // Target directory that we can write to. - let so_target_dir = - Path::new(&env::var_os("CARGO_TARGET_DIR").unwrap()).join("miri-native-lib"); + let so_target_dir = Path::new(env!("CARGO_TARGET_TMPDIR")).join("miri-native-lib"); // Create the directory if it does not already exist. std::fs::create_dir_all(&so_target_dir) .expect("Failed to create directory for shared object file"); @@ -101,7 +100,7 @@ fn miri_config( let mut config = Config { target: Some(target.to_owned()), program, - out_dir: PathBuf::from(std::env::var_os("CARGO_TARGET_DIR").unwrap()).join("miri_ui"), + out_dir: PathBuf::from(env!("CARGO_TARGET_TMPDIR")).join("miri_ui"), threads: std::env::var("MIRI_TEST_THREADS") .ok() .map(|threads| NonZero::new(threads.parse().unwrap()).unwrap()), @@ -319,10 +318,10 @@ fn main() -> Result<()> { let mut args = std::env::args_os(); // Skip the program name and check whether this is a `./miri run-dep` invocation - if let Some(first) = args.nth(1) { - if first == "--miri-run-dep-mode" { - return run_dep_mode(target, args); - } + if let Some(first) = args.nth(1) + && first == "--miri-run-dep-mode" + { + return run_dep_mode(target, args); } ui(Mode::Pass, "tests/pass", &target, WithoutDependencies, tmpdir.path())?; diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index 70a72bd1abe..b46ddd1d315 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -63,6 +63,12 @@ impl Command { } } + // Internal-only. + pub(crate) fn into_raw_command(mut self) -> std::process::Command { + self.drop_bomb.defuse(); + self.cmd + } + /// Specify a stdin input buffer. This is a convenience helper, pub fn stdin_buf<I: AsRef<[u8]>>(&mut self, input: I) -> &mut Self { self.stdin_buf = Some(input.as_ref().to_vec().into_boxed_slice()); diff --git a/src/tools/run-make-support/src/external_deps/rustdoc.rs b/src/tools/run-make-support/src/external_deps/rustdoc.rs index 433a57cd9fa..7040fb667cf 100644 --- a/src/tools/run-make-support/src/external_deps/rustdoc.rs +++ b/src/tools/run-make-support/src/external_deps/rustdoc.rs @@ -5,7 +5,7 @@ use crate::command::Command; use crate::env::env_var; use crate::util::set_host_compiler_dylib_path; -/// Construct a new `rustdoc` invocation. +/// Construct a new `rustdoc` invocation. This will configure the host compiler runtime libs. #[track_caller] pub fn rustdoc() -> Rustdoc { Rustdoc::new() @@ -28,7 +28,7 @@ fn setup_common() -> Command { } impl Rustdoc { - /// Construct a bare `rustdoc` invocation. + /// Construct a bare `rustdoc` invocation. This will configure the host compiler runtime libs. #[track_caller] pub fn new() -> Self { let cmd = setup_common(); diff --git a/src/tools/run-make-support/src/macros.rs b/src/tools/run-make-support/src/macros.rs index 94955aefe57..9d5cc4e5876 100644 --- a/src/tools/run-make-support/src/macros.rs +++ b/src/tools/run-make-support/src/macros.rs @@ -28,6 +28,18 @@ macro_rules! impl_common_helpers { ($wrapper: ident) => { impl $wrapper { + /// In very rare circumstances, you may need a e.g. `bare_rustc()` or `bare_rustdoc()` + /// with host runtime libs configured, but want the underlying raw + /// [`std::process::Command`] (e.g. for manipulating pipes or whatever). This function + /// will consume the command wrapper and extract the underlying + /// [`std::process::Command`]. + /// + /// Caution: this will mean that you can no longer use the convenience methods on the + /// command wrapper. Use as a last resort. + pub fn into_raw_command(self) -> ::std::process::Command { + self.cmd.into_raw_command() + } + /// Specify an environment variable. pub fn env<K, V>(&mut self, key: K, value: V) -> &mut Self where diff --git a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs index 706d04484f6..f9ff3921266 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs @@ -5789,7 +5789,7 @@ The tracking issue for this feature is: [#120301] ------------------------ -Add the methods `from_mins`, `from_hours` and `from_days` to `Duration`. +Add the methods `from_days` and `from_weeks` to `Duration`. "##, default_severity: Severity::Allow, warn_since: None, 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 01122145965..a81fea7bec6 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 @@ -97,7 +97,6 @@ fn test_fn_like_macro_clone_raw_ident() { } #[test] -#[cfg(not(bootstrap))] fn test_fn_like_fn_like_span_join() { assert_expand( "fn_like_span_join", @@ -112,7 +111,6 @@ fn test_fn_like_fn_like_span_join() { } #[test] -#[cfg(not(bootstrap))] fn test_fn_like_fn_like_span_ops() { assert_expand( "fn_like_span_ops", diff --git a/src/tools/rustbook/Cargo.lock b/src/tools/rustbook/Cargo.lock index 3b5b31bed14..0b389377011 100644 --- a/src/tools/rustbook/Cargo.lock +++ b/src/tools/rustbook/Cargo.lock @@ -156,9 +156,9 @@ checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf" [[package]] name = "cc" -version = "1.2.21" +version = "1.2.22" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8691782945451c1c383942c4874dbe63814f61cb57ef773cda2972682b7bb3c0" +checksum = "32db95edf998450acc7881c932f94cd9b05c87b4b2599e8bab064753da4acfd1" dependencies = [ "shlex", ] @@ -185,9 +185,9 @@ dependencies = [ [[package]] name = "clap" -version = "4.5.37" +version = "4.5.38" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eccb054f56cbd38340b380d4a8e69ef1f02f1af43db2f0cc817a4774d80ae071" +checksum = "ed93b9805f8ba930df42c2590f05453d5ec36cbb85d018868a5b24d31f6ac000" dependencies = [ "clap_builder", "clap_derive", @@ -195,9 +195,9 @@ dependencies = [ [[package]] name = "clap_builder" -version = "4.5.37" +version = "4.5.38" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "efd9466fac8543255d3b1fcad4762c5e116ffe808c8a3043d4263cd4fd4862a2" +checksum = "379026ff283facf611b0ea629334361c4211d1b12ee01024eec1591133b04120" dependencies = [ "anstream", "anstyle", @@ -208,9 +208,9 @@ dependencies = [ [[package]] name = "clap_complete" -version = "4.5.48" +version = "4.5.50" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "be8c97f3a6f02b9e24cadc12aaba75201d18754b53ea0a9d99642f806ccdb4c9" +checksum = "c91d3baa3bcd889d60e6ef28874126a0b384fd225ab83aa6d8a801c519194ce1" dependencies = [ "clap", ] @@ -547,9 +547,9 @@ dependencies = [ [[package]] name = "getrandom" -version = "0.3.2" +version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0" +checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4" dependencies = [ "cfg-if", "libc", @@ -644,21 +644,22 @@ dependencies = [ [[package]] name = "icu_collections" -version = "1.5.0" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "db2fa452206ebee18c4b5c2274dbf1de17008e874b4dc4f0aea9d01ca79e4526" +checksum = "200072f5d0e3614556f94a9930d5dc3e0662a652823904c3a75dc3b0af7fee47" dependencies = [ "displaydoc", + "potential_utf", "yoke", "zerofrom", "zerovec", ] [[package]] -name = "icu_locid" -version = "1.5.0" +name = "icu_locale_core" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "13acbb8371917fc971be86fc8057c41a64b521c184808a698c02acc242dbf637" +checksum = "0cde2700ccaed3872079a65fb1a78f6c0a36c91570f28755dda67bc8f7d9f00a" dependencies = [ "displaydoc", "litemap", @@ -668,30 +669,10 @@ dependencies = [ ] [[package]] -name = "icu_locid_transform" -version = "1.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "01d11ac35de8e40fdeda00d9e1e9d92525f3f9d887cdd7aa81d727596788b54e" -dependencies = [ - "displaydoc", - "icu_locid", - "icu_locid_transform_data", - "icu_provider", - "tinystr", - "zerovec", -] - -[[package]] -name = "icu_locid_transform_data" -version = "1.5.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7515e6d781098bf9f7205ab3fc7e9709d34554ae0b21ddbcb5febfa4bc7df11d" - -[[package]] name = "icu_normalizer" -version = "1.5.0" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "19ce3e0da2ec68599d193c93d088142efd7f9c5d6fc9b803774855747dc6a84f" +checksum = "436880e8e18df4d7bbc06d58432329d6458cc84531f7ac5f024e93deadb37979" dependencies = [ "displaydoc", "icu_collections", @@ -699,68 +680,55 @@ dependencies = [ "icu_properties", "icu_provider", "smallvec", - "utf16_iter", - "utf8_iter", - "write16", "zerovec", ] [[package]] name = "icu_normalizer_data" -version = "1.5.1" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c5e8338228bdc8ab83303f16b797e177953730f601a96c25d10cb3ab0daa0cb7" +checksum = "00210d6893afc98edb752b664b8890f0ef174c8adbb8d0be9710fa66fbbf72d3" [[package]] name = "icu_properties" -version = "1.5.1" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "93d6020766cfc6302c15dbbc9c8778c37e62c14427cb7f6e601d849e092aeef5" +checksum = "2549ca8c7241c82f59c80ba2a6f415d931c5b58d24fb8412caa1a1f02c49139a" dependencies = [ "displaydoc", "icu_collections", - "icu_locid_transform", + "icu_locale_core", "icu_properties_data", "icu_provider", - "tinystr", + "potential_utf", + "zerotrie", "zerovec", ] [[package]] name = "icu_properties_data" -version = "1.5.1" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "85fb8799753b75aee8d2a21d7c14d9f38921b54b3dbda10f5a3c7a7b82dba5e2" +checksum = "8197e866e47b68f8f7d95249e172903bec06004b18b2937f1095d40a0c57de04" [[package]] name = "icu_provider" -version = "1.5.0" +version = "2.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6ed421c8a8ef78d3e2dbc98a973be2f3770cb42b606e3ab18d6237c4dfde68d9" +checksum = "03c80da27b5f4187909049ee2d72f276f0d9f99a42c306bd0131ecfe04d8e5af" dependencies = [ "displaydoc", - "icu_locid", - "icu_provider_macros", + "icu_locale_core", "stable_deref_trait", "tinystr", "writeable", "yoke", "zerofrom", + "zerotrie", "zerovec", ] [[package]] -name = "icu_provider_macros" -version = "1.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] name = "ident_case" version = "1.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -779,9 +747,9 @@ dependencies = [ [[package]] name = "idna_adapter" -version = "1.2.0" +version = "1.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "daca1df1c957320b2cf139ac61e7bd64fed304c5040df000a745aa1de3b4ef71" +checksum = "3acae9609540aa318d1bc588455225fb2085b9ed0c4f6bd0d9d5bcd86f1a0344" dependencies = [ "icu_normalizer", "icu_properties", @@ -811,9 +779,9 @@ checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c" [[package]] name = "jiff" -version = "0.2.12" +version = "0.2.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d07d8d955d798e7a4d6f9c58cd1f1916e790b42b092758a9ef6e16fef9f1b3fd" +checksum = "f02000660d30638906021176af16b17498bd0d12813dbfe7b276d8bc7f3c0806" dependencies = [ "jiff-static", "log", @@ -824,9 +792,9 @@ dependencies = [ [[package]] name = "jiff-static" -version = "0.2.12" +version = "0.2.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f244cfe006d98d26f859c7abd1318d85327e1882dc9cef80f62daeeb0adcf300" +checksum = "f3c30758ddd7188629c6713fc45d1188af4f44c90582311d0c8d8c9907f60c48" dependencies = [ "proc-macro2", "quote", @@ -882,9 +850,9 @@ checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12" [[package]] name = "litemap" -version = "0.7.5" +version = "0.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "23fb14cb19457329c82206317a5663005a4d404783dc74f4252769b0d5f42856" +checksum = "241eaef5fd12c88705a01fc1066c48c4b36e0dd4377dcdc7ec3942cea7a69956" [[package]] name = "lock_api" @@ -1275,6 +1243,15 @@ dependencies = [ ] [[package]] +name = "potential_utf" +version = "0.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e5a7c30837279ca13e7c867e9e40053bc68740f988cb07f7ca6df43cc734b585" +dependencies = [ + "zerovec", +] + +[[package]] name = "precomputed-hash" version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1710,9 +1687,9 @@ dependencies = [ [[package]] name = "tinystr" -version = "0.7.6" +version = "0.8.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9117f5d4db391c1cf6927e7bea3db74b9a1c1add8f7eda9ffd5364f40f57b82f" +checksum = "5d4f6d1145dcb577acf783d4e601bc1d76a13337bb54e6233add580b07344c8b" dependencies = [ "displaydoc", "zerovec", @@ -1822,12 +1799,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9" [[package]] -name = "utf16_iter" -version = "1.0.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c8232dd3cdaed5356e0f716d285e4b40b932ac434100fe9b7e0e8e935b9e6246" - -[[package]] name = "utf8_iter" version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1924,9 +1895,9 @@ dependencies = [ [[package]] name = "web_atoms" -version = "0.1.1" +version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "08bcbdcad8fb2e316072ba6bbe09419afdb550285668ac2534f4230a6f2da0ee" +checksum = "0b9c5f0bc545ea3b20b423e33b9b457764de0b3730cd957f6c6aa6c301785f6e" dependencies = [ "phf", "phf_codegen", @@ -2099,9 +2070,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" [[package]] name = "winnow" -version = "0.7.9" +version = "0.7.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d9fb597c990f03753e08d3c29efbfcf2019a003b4bf4ba19225c158e1549f0f3" +checksum = "c06928c8748d81b05c9be96aad92e1b6ff01833332f281e8cfca3be4b35fc9ec" dependencies = [ "memchr", ] @@ -2116,22 +2087,16 @@ dependencies = [ ] [[package]] -name = "write16" -version = "1.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d1890f4022759daae28ed4fe62859b1236caebfc61ede2f63ed4e695f3f6d936" - -[[package]] name = "writeable" -version = "0.5.5" +version = "0.6.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51" +checksum = "ea2f10b9bb0928dfb1b42b65e1f9e36f7f54dbdf08457afefb38afcdec4fa2bb" [[package]] name = "yoke" -version = "0.7.5" +version = "0.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "120e6aef9aa629e3d4f52dc8cc43a015c7724194c97dfaf45180d2daf2b77f40" +checksum = "5f41bb01b8226ef4bfd589436a297c53d118f65921786300e427be8d487695cc" dependencies = [ "serde", "stable_deref_trait", @@ -2141,9 +2106,9 @@ dependencies = [ [[package]] name = "yoke-derive" -version = "0.7.5" +version = "0.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2380878cad4ac9aac1e2435f3eb4020e8374b5f13c296cb75b4620ff8e229154" +checksum = "38da3c9736e16c5d3c8c597a9aaa5d1fa565d0532ae05e27c24aa62fb32c0ab6" dependencies = [ "proc-macro2", "quote", @@ -2173,10 +2138,21 @@ dependencies = [ ] [[package]] +name = "zerotrie" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "36f0bbd478583f79edad978b407914f61b2972f5af6fa089686016be8f9af595" +dependencies = [ + "displaydoc", + "yoke", + "zerofrom", +] + +[[package]] name = "zerovec" -version = "0.10.4" +version = "0.11.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aa2b893d79df23bfb12d5461018d408ea19dfafe76c2c7ef6d4eba614f8ff079" +checksum = "4a05eb080e015ba39cc9e23bbe5e7fb04d5fb040350f99f34e338d5fdd294428" dependencies = [ "yoke", "zerofrom", @@ -2185,9 +2161,9 @@ dependencies = [ [[package]] name = "zerovec-derive" -version = "0.10.3" +version = "0.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6" +checksum = "5b96237efa0c878c64bd89c436f661be4e46b2f3eff1ebb976f7ef2321d2f58f" dependencies = [ "proc-macro2", "quote", diff --git a/src/tools/rustfmt/src/items.rs b/src/tools/rustfmt/src/items.rs index 5c3be769f9e..e79b7803c60 100644 --- a/src/tools/rustfmt/src/items.rs +++ b/src/tools/rustfmt/src/items.rs @@ -63,6 +63,11 @@ impl Rewrite for ast::Local { return Err(RewriteError::SkipFormatting); } + // FIXME(super_let): Implement formatting + if self.super_.is_some() { + return Err(RewriteError::SkipFormatting); + } + let attrs_str = self.attrs.rewrite_result(context, shape)?; let mut result = if attrs_str.is_empty() { "let ".to_owned() diff --git a/src/tools/rustfmt/src/parse/macros/asm.rs b/src/tools/rustfmt/src/parse/macros/asm.rs index 58c8d21bd7a..1a9614bacec 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_builtin_macros::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/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 4195258af88..9bb06c31c5c 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -429,10 +429,13 @@ 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", diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 2f0158609e0..1d0ddd56eec 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -1183,47 +1183,39 @@ ui/impl-trait/explicit-generic-args-with-impl-trait/issue-87718.rs ui/impl-trait/in-trait/issue-102140.rs ui/impl-trait/in-trait/issue-102301.rs ui/impl-trait/in-trait/issue-102571.rs -ui/impl-trait/issue-100075-2.rs -ui/impl-trait/issue-100075.rs -ui/impl-trait/issue-100187.rs -ui/impl-trait/issue-102605.rs -ui/impl-trait/issue-103181-1.rs -ui/impl-trait/issue-103181-2.rs -ui/impl-trait/issue-103599.rs -ui/impl-trait/issue-108591.rs -ui/impl-trait/issue-108592.rs -ui/impl-trait/issue-35668.rs -ui/impl-trait/issue-36792.rs -ui/impl-trait/issue-46959.rs -ui/impl-trait/issue-49556.rs -ui/impl-trait/issue-49579.rs -ui/impl-trait/issue-49685.rs -ui/impl-trait/issue-51185.rs -ui/impl-trait/issue-54966.rs -ui/impl-trait/issue-55872-1.rs -ui/impl-trait/issue-55872-2.rs -ui/impl-trait/issue-55872-3.rs -ui/impl-trait/issue-55872.rs -ui/impl-trait/issue-56445.rs -ui/impl-trait/issue-68532.rs -ui/impl-trait/issue-72911.rs -ui/impl-trait/issue-87450.rs -ui/impl-trait/issue-99073-2.rs -ui/impl-trait/issue-99073.rs -ui/impl-trait/issue-99642-2.rs -ui/impl-trait/issue-99642.rs -ui/impl-trait/issue-99914.rs +ui/impl-trait/issues/issue-100075-2.rs +ui/impl-trait/issues/issue-100075.rs +ui/impl-trait/issues/issue-100187.rs +ui/impl-trait/issues/issue-102605.rs +ui/impl-trait/issues/issue-103181-1.rs +ui/impl-trait/issues/issue-103181-2.rs +ui/impl-trait/issues/issue-103599.rs ui/impl-trait/issues/issue-104815.rs ui/impl-trait/issues/issue-105826.rs +ui/impl-trait/issues/issue-108591.rs +ui/impl-trait/issues/issue-108592.rs ui/impl-trait/issues/issue-21659-show-relevant-trait-impls-3.rs +ui/impl-trait/issues/issue-35668.rs +ui/impl-trait/issues/issue-36792.rs ui/impl-trait/issues/issue-42479.rs +ui/impl-trait/issues/issue-46959.rs ui/impl-trait/issues/issue-49376.rs +ui/impl-trait/issues/issue-49556.rs +ui/impl-trait/issues/issue-49579.rs +ui/impl-trait/issues/issue-49685.rs +ui/impl-trait/issues/issue-51185.rs ui/impl-trait/issues/issue-52128.rs ui/impl-trait/issues/issue-53457.rs ui/impl-trait/issues/issue-54600.rs ui/impl-trait/issues/issue-54840.rs ui/impl-trait/issues/issue-54895.rs +ui/impl-trait/issues/issue-54966.rs ui/impl-trait/issues/issue-55608-captures-empty-region.rs +ui/impl-trait/issues/issue-55872-1.rs +ui/impl-trait/issues/issue-55872-2.rs +ui/impl-trait/issues/issue-55872-3.rs +ui/impl-trait/issues/issue-55872.rs +ui/impl-trait/issues/issue-56445.rs ui/impl-trait/issues/issue-57464-unexpected-regions.rs ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs ui/impl-trait/issues/issue-57979-impl-trait-in-path.rs @@ -1233,8 +1225,10 @@ ui/impl-trait/issues/issue-58956.rs ui/impl-trait/issues/issue-62742.rs ui/impl-trait/issues/issue-65581.rs ui/impl-trait/issues/issue-67830.rs +ui/impl-trait/issues/issue-68532.rs ui/impl-trait/issues/issue-70877.rs ui/impl-trait/issues/issue-70971.rs +ui/impl-trait/issues/issue-72911.rs ui/impl-trait/issues/issue-74282.rs ui/impl-trait/issues/issue-77987.rs ui/impl-trait/issues/issue-78722-2.rs @@ -1251,12 +1245,18 @@ ui/impl-trait/issues/issue-86719.rs ui/impl-trait/issues/issue-86800.rs ui/impl-trait/issues/issue-87295.rs ui/impl-trait/issues/issue-87340.rs +ui/impl-trait/issues/issue-87450.rs ui/impl-trait/issues/issue-88236-2.rs ui/impl-trait/issues/issue-88236.rs ui/impl-trait/issues/issue-89312.rs ui/impl-trait/issues/issue-92305.rs ui/impl-trait/issues/issue-93788.rs +ui/impl-trait/issues/issue-99073-2.rs +ui/impl-trait/issues/issue-99073.rs ui/impl-trait/issues/issue-99348-impl-compatibility.rs +ui/impl-trait/issues/issue-99642-2.rs +ui/impl-trait/issues/issue-99642.rs +ui/impl-trait/issues/issue-99914.rs ui/implied-bounds/issue-100690.rs ui/implied-bounds/issue-101951.rs ui/implied-bounds/issue-110161.rs @@ -2212,7 +2212,6 @@ ui/issues/issue-41479.rs ui/issues/issue-41498.rs ui/issues/issue-41549.rs ui/issues/issue-41604.rs -ui/issues/issue-41628.rs ui/issues/issue-41652/auxiliary/issue-41652-b.rs ui/issues/issue-41652/issue-41652.rs ui/issues/issue-41677.rs diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 44dd1e50f5b..8f9b07c49ac 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -17,7 +17,7 @@ use ignore::Walk; const ENTRY_LIMIT: u32 = 901; // FIXME: The following limits should be reduced eventually. -const ISSUES_ENTRY_LIMIT: u32 = 1624; +const ISSUES_ENTRY_LIMIT: u32 = 1623; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files |