diff options
868 files changed, 10626 insertions, 6520 deletions
diff --git a/.gitattributes b/.gitattributes index 82599b14503..51a670b5fbe 100644 --- a/.gitattributes +++ b/.gitattributes @@ -16,11 +16,3 @@ config.toml.example linguist-language=TOML *.ico binary *.woff binary *.woff2 binary - -# Needed as part of converting rustfmt to a subtree, can hopefully be removed later. -src/tools/rustfmt/tests/source/issue-3494/crlf.rs -text -src/tools/rustfmt/tests/source/comment_crlf_newline.rs -text -src/tools/rustfmt/tests/source/configs/enum_discrim_align_threshold/40.rs -text -src/tools/rustfmt/tests/target/issue-3494/crlf.rs -text -src/tools/rustfmt/tests/target/comment_crlf_newline.rs -text -src/tools/rustfmt/tests/target/configs/enum_discrim_align_threshold/40.rs -text diff --git a/Cargo.lock b/Cargo.lock index 1d3b539c682..de110c55a4b 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -278,6 +278,7 @@ dependencies = [ "humantime 2.0.1", "ignore", "im-rc", + "itertools 0.10.0", "jobserver", "lazy_static", "lazycell", @@ -293,7 +294,7 @@ dependencies = [ "rand 0.8.3", "rustc-workspace-hack", "rustfix", - "semver 0.10.0", + "semver 1.0.3", "serde", "serde_ignored", "serde_json", @@ -551,10 +552,10 @@ name = "clippy" version = "0.1.54" dependencies = [ "cargo_metadata 0.12.0", - "clippy-mini-macro-test", "clippy_lints", "compiletest_rs", "derive-new", + "filetime", "quote", "regex", "rustc-workspace-hack", @@ -567,10 +568,6 @@ dependencies = [ ] [[package]] -name = "clippy-mini-macro-test" -version = "0.2.0" - -[[package]] name = "clippy_dev" version = "0.0.1" dependencies = [ @@ -655,9 +652,9 @@ dependencies = [ [[package]] name = "compiler_builtins" -version = "0.1.43" +version = "0.1.45" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "65af2dcae4779003dfa91aedc6ade7bdc7ba685944e50a8b4f9380df376a4466" +checksum = "787187ae221adfcda34b03006f1617099e4ae26b50e5a4db282496014ab75837" dependencies = [ "cc", "rustc-std-workspace-core", @@ -1716,6 +1713,15 @@ dependencies = [ ] [[package]] +name = "itertools" +version = "0.10.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319" +dependencies = [ + "either", +] + +[[package]] name = "itoa" version = "0.4.6" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1743,11 +1749,10 @@ dependencies = [ "fs-err", "getopts", "jsonpath_lib", - "lazy_static", + "once_cell", "regex", - "serde", "serde_json", - "shlex 0.1.1", + "shlex", ] [[package]] @@ -2128,7 +2133,7 @@ dependencies = [ "serde", "serde_derive", "serde_json", - "shlex 1.0.0", + "shlex", "tempfile", "toml", ] @@ -2149,9 +2154,9 @@ dependencies = [ [[package]] name = "memchr" -version = "2.3.3" +version = "2.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400" +checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc" [[package]] name = "memmap2" @@ -2355,6 +2360,17 @@ dependencies = [ ] [[package]] +name = "object" +version = "0.25.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f8bc1d42047cf336f0f939c99e97183cf31551bf0f2865a2ec9c8d91fd4ffb5e" +dependencies = [ + "crc32fast", + "indexmap", + "memchr", +] + +[[package]] name = "once_cell" version = "1.7.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2846,9 +2862,9 @@ dependencies = [ [[package]] name = "racer" -version = "2.1.47" +version = "2.1.48" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "513c70e67444a0d62fdc581dffa521c6820942a5f08300d0864863f8d0e750e3" +checksum = "7fec2e85e7a30f8fd31b7cf288ad363b5e51fd2cb6f53b416b0cfaabd84e1ccb" dependencies = [ "bitflags", "clap", @@ -3072,7 +3088,7 @@ dependencies = [ "anyhow", "cargo", "cargo-util", - "cargo_metadata 0.8.2", + "cargo_metadata 0.12.0", "clippy_lints", "crossbeam-channel", "difference", @@ -3205,9 +3221,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_arena" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "526610f47139efa440178239553b59ea805ff57a532b4e295c71d2a9b18fd676" +checksum = "550ca1a0925d31a0af089b18c89f5adf3b286e319e3e1f1a5204c21bd2f17371" dependencies = [ "rustc-ap-rustc_data_structures", "smallvec", @@ -3215,9 +3231,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_ast" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cf6a9dda0804a7243b0282e3b75a8cf4654c7a61f033e587751941e1fe39391b" +checksum = "4aa53b68080df17994a54747f7c37b0686288a670efb9ba3b382ce62e744aed2" dependencies = [ "bitflags", "rustc-ap-rustc_data_structures", @@ -3232,9 +3248,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_ast_pretty" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "82f5019be8b41a58664169fd2f4b1a37fe82705681db394b76419e4e87d40ab1" +checksum = "0ae71e68fada466a4b2c39c79ca6aee3226587abe6787170d2f6c92237569565" dependencies = [ "rustc-ap-rustc_ast", "rustc-ap-rustc_span", @@ -3243,9 +3259,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_data_structures" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a701717fb14549331085756b9741ae3b4bf35808489f1887d72c1d0e0fe52b77" +checksum = "faa484d6e0ca32d1d82303647275c696f745599b3d97e686f396ceef5b99d7ae" dependencies = [ "arrayvec", "bitflags", @@ -3275,9 +3291,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_errors" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e3182ce85e8bfc96443475547f2f5aa2b5e67655d9b88721795f36f0ba9e265a" +checksum = "5f85ba19cca320ad797e3a29c35cab9bddfff0e7adbde336a436249e54cee7b1" dependencies = [ "annotate-snippets", "atty", @@ -3295,9 +3311,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_feature" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eed033b93270126ef60963c3ebbd0e026bf53b985172b6366c7b0e7881c9d507" +checksum = "97d538adab96b8b2b1ca9fcd4c8c47d4e23e862a23d1a38b6c15cd8fd52b34b1" dependencies = [ "rustc-ap-rustc_data_structures", "rustc-ap-rustc_span", @@ -3305,21 +3321,21 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_fs_util" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "28ee6531986a205101e09fd143d7bf31897388f33b1814d4bcc45fd62211dca6" +checksum = "8ad6f13d240944fa8f360d2f3b849a7cadaec75e477829e7dde61e838deda83d" [[package]] name = "rustc-ap-rustc_graphviz" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3398fddc0e23d2db89c036f8952ddf78cadc597f7059752116e69483e164a5b6" +checksum = "08b3451153cc5828c02cc4f1a0df146d25ac4b3382a112e25fd9d3f5bff15cdc" [[package]] name = "rustc-ap-rustc_index" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dca4e27eb5b701f6bbd47d8fc9d242378fca3e4107a519a28415c2989c4a3bd3" +checksum = "cd39a9f01b442c629bdff5778cb3dd29b7c2ea4afe62d5ab61d216bd1b556692" dependencies = [ "arrayvec", "rustc-ap-rustc_macros", @@ -3328,18 +3344,18 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_lexer" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "786bbfe9d4d5264294c1819dbf1497a2480b583d5eda1ca9ae22e12d6661f5df" +checksum = "a5de290c44a90e671d2cd730062b9ef73d11155da7e44e7741d633e1e51e616e" dependencies = [ "unicode-xid", ] [[package]] name = "rustc-ap-rustc_lint_defs" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "be2f045e2b999c154ec505d5fea69c994b742f3ebd2f552d11a6c81723921e47" +checksum = "69570b4beb61088926b131579865bbe70d124d30778c46307a62ec8b310ae462" dependencies = [ "rustc-ap-rustc_ast", "rustc-ap-rustc_data_structures", @@ -3352,9 +3368,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_macros" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "27789cd26d6b9e2fdfa68a262a20664d79ca67d31a3886d40fb88ebf6935869c" +checksum = "86bd877df37f15c5a44d9679d1b5207ebc95f3943fbc336eeac670195ac58610" dependencies = [ "proc-macro2", "quote", @@ -3364,9 +3380,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_parse" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1dc331f4958350679679e619d63a891e8d5d34ef99087068c89aa9e657d52caa" +checksum = "02502d8522ba31d0bcad28a78822b68c1b6ba947a2b4aa6a2341b30594379b80" dependencies = [ "bitflags", "rustc-ap-rustc_ast", @@ -3384,9 +3400,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_serialize" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e9a6824a462c4c1a379e911b0faf86d303a54bcf8673d4cc445195085966a4a4" +checksum = "5f741f8e9aee6323fbe127329490608a5a250cc0072ac91e684ef62518cdb1ff" dependencies = [ "indexmap", "smallvec", @@ -3394,9 +3410,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_session" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a782a5f6ada0dbe089c6416ad0104f0b8a8bdb4bd26ea95e5fefaec67aed5e8a" +checksum = "dba61eca749f4fced4427ad1cc7f23342cfc6527c3bcc624e3aa56abc1f81298" dependencies = [ "bitflags", "getopts", @@ -3416,9 +3432,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_span" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a257546cb264b250c7abdb81239bb02f18a274a966211755a3ea89411b122214" +checksum = "a642e8d6fc883f34e0778e079f8242ac40c6614a6b7a0ef61681333e847f5e62" dependencies = [ "cfg-if 0.1.10", "md-5", @@ -3436,9 +3452,9 @@ dependencies = [ [[package]] name = "rustc-ap-rustc_target" -version = "718.0.0" +version = "722.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b5a72dd689421bcb5750f3ed0dedf367076e714ef0ba56c02ed391b9a8582862" +checksum = "80feebd8c323b80dd73a395fa7fabba9e2098b6277670ff89c473f618ffa07de" dependencies = [ "bitflags", "rustc-ap-rustc_data_structures", @@ -3697,7 +3713,7 @@ dependencies = [ "itertools 0.9.0", "jobserver", "libc", - "object", + "object 0.25.2", "pathdiff", "rustc_apfloat", "rustc_ast", @@ -4676,6 +4692,15 @@ dependencies = [ ] [[package]] +name = "semver" +version = "1.0.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5f3aac57ee7f3272d8395c6e4f502f434f0e289fcd62876f70daa008c20dcabe" +dependencies = [ + "serde", +] + +[[package]] name = "semver-parser" version = "0.7.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -4797,12 +4822,6 @@ checksum = "45bb67a18fa91266cc7807181f62f9178a6873bfad7dc788c42e6430db40184f" [[package]] name = "shlex" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2" - -[[package]] -name = "shlex" version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "42a568c8f2cd051a4d283bd6eb0343ac214c1b0f1ac19f93e1175b2dee38c73d" @@ -4905,7 +4924,7 @@ dependencies = [ "hermit-abi", "libc", "miniz_oxide", - "object", + "object 0.22.0", "panic_abort", "panic_unwind", "profiler_builtins", @@ -5034,9 +5053,9 @@ dependencies = [ [[package]] name = "tar" -version = "0.4.33" +version = "0.4.35" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c0bcfbd6a598361fda270d82469fff3d65089dc33e175c9a131f7b4cd395f228" +checksum = "7d779dc6aeff029314570f666ec83f19df7280bb36ef338442cfa8c604021b80" dependencies = [ "filetime", "libc", diff --git a/compiler/rustc_ast/src/ast_like.rs b/compiler/rustc_ast/src/ast_like.rs index 945a44ab663..d586426d70e 100644 --- a/compiler/rustc_ast/src/ast_like.rs +++ b/compiler/rustc_ast/src/ast_like.rs @@ -82,7 +82,8 @@ impl AstLike for crate::token::Nonterminal { Nonterminal::NtMeta(attr_item) => attr_item.tokens_mut(), Nonterminal::NtPath(path) => path.tokens_mut(), Nonterminal::NtVis(vis) => vis.tokens_mut(), - _ => panic!("Called tokens_mut on {:?}", self), + Nonterminal::NtBlock(block) => block.tokens_mut(), + Nonterminal::NtIdent(..) | Nonterminal::NtLifetime(..) | Nonterminal::NtTT(..) => None, } } } diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs index 14ecf27813d..7c79b4aab3c 100644 --- a/compiler/rustc_ast/src/lib.rs +++ b/compiler/rustc_ast/src/lib.rs @@ -12,13 +12,11 @@ #![feature(box_patterns)] #![cfg_attr(bootstrap, feature(const_fn_unsize))] #![feature(const_fn_transmute)] -#![feature(const_panic)] #![feature(crate_visibility_modifier)] #![feature(iter_zip)] #![feature(label_break_value)] #![feature(nll)] #![feature(min_specialization)] -#![feature(trusted_step)] #![recursion_limit = "256"] #[macro_use] diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs index 2d463a4588c..5d994dbad4d 100644 --- a/compiler/rustc_ast/src/tokenstream.rs +++ b/compiler/rustc_ast/src/tokenstream.rs @@ -218,8 +218,7 @@ impl AttrAnnotatedTokenStream { AttrAnnotatedTokenTree::Attributes(data) => { let mut outer_attrs = Vec::new(); let mut inner_attrs = Vec::new(); - let attrs: Vec<_> = data.attrs.clone().into(); - for attr in attrs { + for attr in &data.attrs { match attr.style { crate::AttrStyle::Outer => { assert!( @@ -264,7 +263,7 @@ impl AttrAnnotatedTokenStream { // so we never reach this code. let mut builder = TokenStreamBuilder::new(); - for inner_attr in &inner_attrs { + for inner_attr in inner_attrs { builder.push(inner_attr.tokens().to_tokenstream()); } builder.push(delim_tokens.clone()); diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 6f1772ff818..0ff1efd8165 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -43,7 +43,7 @@ use rustc_ast::walk_list; use rustc_ast::{self as ast, *}; use rustc_ast_pretty::pprust; use rustc_data_structures::captures::Captures; -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; use rustc_errors::{struct_span_err, Applicability}; use rustc_hir as hir; @@ -198,7 +198,7 @@ pub trait ResolverAstLowering { fn next_node_id(&mut self) -> NodeId; - fn trait_map(&self) -> &NodeMap<Vec<hir::TraitCandidate>>; + fn take_trait_map(&mut self) -> NodeMap<Vec<hir::TraitCandidate>>; fn opt_local_def_id(&self, node: NodeId) -> Option<LocalDefId>; @@ -501,14 +501,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let proc_macros = c.proc_macros.iter().map(|id| self.node_id_to_hir_id[*id].unwrap()).collect(); - let trait_map = self - .resolver - .trait_map() - .iter() - .filter_map(|(&k, v)| { - self.node_id_to_hir_id.get(k).and_then(|id| id.as_ref()).map(|id| (*id, v.clone())) - }) - .collect(); + let mut trait_map: FxHashMap<_, FxHashMap<_, _>> = FxHashMap::default(); + for (k, v) in self.resolver.take_trait_map().into_iter() { + if let Some(Some(hir_id)) = self.node_id_to_hir_id.get(k) { + let map = trait_map.entry(hir_id.owner).or_default(); + map.insert(hir_id.local_id, v.into_boxed_slice()); + } + } let mut def_id_to_hir_id = IndexVec::default(); diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 4996c2195ef..664e138b39d 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -318,7 +318,6 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { }} gate_doc!( - include => external_doc cfg => doc_cfg masked => doc_masked notable_trait => doc_notable_trait diff --git a/compiler/rustc_ast_passes/src/lib.rs b/compiler/rustc_ast_passes/src/lib.rs index c9e2d202da9..26da18b571c 100644 --- a/compiler/rustc_ast_passes/src/lib.rs +++ b/compiler/rustc_ast_passes/src/lib.rs @@ -6,7 +6,6 @@ #![feature(bindings_after_at)] #![feature(iter_is_partitioned)] -#![feature(box_syntax)] #![feature(box_patterns)] #![recursion_limit = "256"] diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs index e845f9ec55a..99544ddb66e 100644 --- a/compiler/rustc_builtin_macros/src/test.rs +++ b/compiler/rustc_builtin_macros/src/test.rs @@ -254,6 +254,10 @@ pub fn expand_test_or_bench( "allow_fail", cx.expr_bool(sp, should_fail(&cx.sess, &item)), ), + // compile_fail: true | false + field("compile_fail", cx.expr_bool(sp, false)), + // no_run: true | false + field("no_run", cx.expr_bool(sp, false)), // should_panic: ... field( "should_panic", diff --git a/compiler/rustc_codegen_cranelift/src/archive.rs b/compiler/rustc_codegen_cranelift/src/archive.rs index bd54adc53ee..22897c43e7e 100644 --- a/compiler/rustc_codegen_cranelift/src/archive.rs +++ b/compiler/rustc_codegen_cranelift/src/archive.rs @@ -254,6 +254,15 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> { } } } + + fn inject_dll_import_lib( + &mut self, + _lib_name: &str, + _dll_imports: &[rustc_middle::middle::cstore::DllImport], + _tmpdir: &rustc_data_structures::temp_dir::MaybeTempDir, + ) { + bug!("injecting dll imports is not supported"); + } } impl<'a> ArArchiveBuilder<'a> { diff --git a/compiler/rustc_codegen_cranelift/src/driver/aot.rs b/compiler/rustc_codegen_cranelift/src/driver/aot.rs index 9cf51d15c8c..6676d88602c 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/aot.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/aot.rs @@ -177,21 +177,6 @@ pub(crate) fn run_aot( metadata: EncodedMetadata, need_metadata_module: bool, ) -> Box<(CodegenResults, FxHashMap<WorkProductId, WorkProduct>)> { - use rustc_span::symbol::sym; - - let crate_attrs = tcx.hir().attrs(rustc_hir::CRATE_HIR_ID); - let subsystem = tcx.sess.first_attr_value_str_by_name(crate_attrs, sym::windows_subsystem); - let windows_subsystem = subsystem.map(|subsystem| { - if subsystem != sym::windows && subsystem != sym::console { - tcx.sess.fatal(&format!( - "invalid windows subsystem `{}`, only \ - `windows` and `console` are allowed", - subsystem - )); - } - subsystem.to_string() - }); - let mut work_products = FxHashMap::default(); let cgus = if tcx.sess.opts.output_types.should_codegen() { @@ -307,12 +292,10 @@ pub(crate) fn run_aot( Box::new(( CodegenResults { - crate_name: tcx.crate_name(LOCAL_CRATE), modules, allocator_module, metadata_module, metadata, - windows_subsystem, linker_info: LinkerInfo::new(tcx, crate::target_triple(tcx.sess).to_string()), crate_info: CrateInfo::new(tcx), }, diff --git a/compiler/rustc_codegen_cranelift/src/lib.rs b/compiler/rustc_codegen_cranelift/src/lib.rs index 637e91f5117..6aadaf8a7ca 100644 --- a/compiler/rustc_codegen_cranelift/src/lib.rs +++ b/compiler/rustc_codegen_cranelift/src/lib.rs @@ -29,8 +29,7 @@ use rustc_codegen_ssa::traits::CodegenBackend; use rustc_codegen_ssa::CodegenResults; use rustc_errors::ErrorReported; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; -use rustc_middle::middle::cstore::{EncodedMetadata, MetadataLoader}; -use rustc_middle::ty::query::Providers; +use rustc_middle::middle::cstore::EncodedMetadata; use rustc_session::config::OutputFilenames; use rustc_session::Session; @@ -165,17 +164,14 @@ impl CodegenBackend for CraneliftCodegenBackend { } } - fn metadata_loader(&self) -> Box<dyn MetadataLoader + Sync> { - Box::new(rustc_codegen_ssa::back::metadata::DefaultMetadataLoader) - } - - fn provide(&self, _providers: &mut Providers) {} - fn provide_extern(&self, _providers: &mut Providers) {} - fn target_features(&self, _sess: &Session) -> Vec<rustc_span::Symbol> { vec![] } + fn print_version(&self) { + println!("Cranelift version: {}", cranelift_codegen::VERSION); + } + fn codegen_crate( &self, tcx: TyCtxt<'_>, @@ -223,7 +219,7 @@ impl CodegenBackend for CraneliftCodegenBackend { sess, &codegen_results, outputs, - &codegen_results.crate_name.as_str(), + &codegen_results.crate_info.local_crate_name.as_str(), ); Ok(()) diff --git a/compiler/rustc_codegen_cranelift/src/toolchain.rs b/compiler/rustc_codegen_cranelift/src/toolchain.rs index 484a9b699a0..f86236ef3ea 100644 --- a/compiler/rustc_codegen_cranelift/src/toolchain.rs +++ b/compiler/rustc_codegen_cranelift/src/toolchain.rs @@ -2,9 +2,8 @@ use std::path::PathBuf; -use rustc_middle::bug; +use rustc_codegen_ssa::back::link::linker_and_flavor; use rustc_session::Session; -use rustc_target::spec::LinkerFlavor; /// Tries to infer the path of a binary for the target toolchain from the linker name. pub(crate) fn get_toolchain_binary(sess: &Session, tool: &str) -> PathBuf { @@ -30,89 +29,3 @@ pub(crate) fn get_toolchain_binary(sess: &Session, tool: &str) -> PathBuf { linker } - -// Adapted from https://github.com/rust-lang/rust/blob/5db778affee7c6600c8e7a177c48282dab3f6292/src/librustc_codegen_ssa/back/link.rs#L848-L931 -fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) { - fn infer_from( - sess: &Session, - linker: Option<PathBuf>, - flavor: Option<LinkerFlavor>, - ) -> Option<(PathBuf, LinkerFlavor)> { - match (linker, flavor) { - (Some(linker), Some(flavor)) => Some((linker, flavor)), - // only the linker flavor is known; use the default linker for the selected flavor - (None, Some(flavor)) => Some(( - PathBuf::from(match flavor { - LinkerFlavor::Em => { - if cfg!(windows) { - "emcc.bat" - } else { - "emcc" - } - } - LinkerFlavor::Gcc => { - if cfg!(any(target_os = "solaris", target_os = "illumos")) { - // On historical Solaris systems, "cc" may have - // been Sun Studio, which is not flag-compatible - // with "gcc". This history casts a long shadow, - // and many modern illumos distributions today - // ship GCC as "gcc" without also making it - // available as "cc". - "gcc" - } else { - "cc" - } - } - LinkerFlavor::Ld => "ld", - LinkerFlavor::Msvc => "link.exe", - LinkerFlavor::Lld(_) => "lld", - LinkerFlavor::PtxLinker => "rust-ptx-linker", - }), - flavor, - )), - (Some(linker), None) => { - let stem = linker.file_stem().and_then(|stem| stem.to_str()).unwrap_or_else(|| { - sess.fatal("couldn't extract file stem from specified linker") - }); - - let flavor = if stem == "emcc" { - LinkerFlavor::Em - } else if stem == "gcc" - || stem.ends_with("-gcc") - || stem == "clang" - || stem.ends_with("-clang") - { - LinkerFlavor::Gcc - } else if stem == "ld" || stem == "ld.lld" || stem.ends_with("-ld") { - LinkerFlavor::Ld - } else if stem == "link" || stem == "lld-link" { - LinkerFlavor::Msvc - } else if stem == "lld" || stem == "rust-lld" { - LinkerFlavor::Lld(sess.target.lld_flavor) - } else { - // fall back to the value in the target spec - sess.target.linker_flavor - }; - - Some((linker, flavor)) - } - (None, None) => None, - } - } - - // linker and linker flavor specified via command line have precedence over what the target - // specification specifies - if let Some(ret) = infer_from(sess, sess.opts.cg.linker.clone(), sess.opts.cg.linker_flavor) { - return ret; - } - - if let Some(ret) = infer_from( - sess, - sess.target.linker.clone().map(PathBuf::from), - Some(sess.target.linker_flavor), - ) { - return ret; - } - - bug!("Not enough information provided to determine how to invoke the linker"); -} diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 0aef77129d8..ecf62ed213d 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -288,6 +288,7 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> { InlineAsmArch::Mips | InlineAsmArch::Mips64 => {} InlineAsmArch::SpirV => {} InlineAsmArch::Wasm32 => {} + InlineAsmArch::Bpf => {} } } if !options.contains(InlineAsmOptions::NOMEM) { @@ -593,6 +594,8 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'tcx>>) InlineAsmRegClass::X86(X86InlineAsmRegClass::zmm_reg) => "v", InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => "^Yk", InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => "r", + InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::reg) => "r", + InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::wreg) => "w", InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } @@ -661,6 +664,7 @@ fn modifier_to_llvm( }, InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => None, InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => None, + InlineAsmRegClass::Bpf(_) => None, InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } @@ -708,6 +712,8 @@ fn dummy_output_type(cx: &CodegenCx<'ll, 'tcx>, reg: InlineAsmRegClass) -> &'ll | InlineAsmRegClass::X86(X86InlineAsmRegClass::zmm_reg) => cx.type_f32(), InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => cx.type_i16(), InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => cx.type_i32(), + InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::reg) => cx.type_i64(), + InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::wreg) => cx.type_i32(), InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } diff --git a/compiler/rustc_codegen_llvm/src/back/archive.rs b/compiler/rustc_codegen_llvm/src/back/archive.rs index 261affe2c42..64416bced31 100644 --- a/compiler/rustc_codegen_llvm/src/back/archive.rs +++ b/compiler/rustc_codegen_llvm/src/back/archive.rs @@ -8,9 +8,11 @@ use std::ptr; use std::str; use crate::llvm::archive_ro::{ArchiveRO, Child}; -use crate::llvm::{self, ArchiveKind}; +use crate::llvm::{self, ArchiveKind, LLVMMachineType, LLVMRustCOFFShortExport}; use rustc_codegen_ssa::back::archive::{find_library, ArchiveBuilder}; use rustc_codegen_ssa::{looks_like_rust_object_file, METADATA_FILENAME}; +use rustc_data_structures::temp_dir::MaybeTempDir; +use rustc_middle::middle::cstore::DllImport; use rustc_session::Session; use rustc_span::symbol::Symbol; @@ -61,6 +63,17 @@ fn archive_config<'a>(sess: &'a Session, output: &Path, input: Option<&Path>) -> } } +/// Map machine type strings to values of LLVM's MachineTypes enum. +fn llvm_machine_type(cpu: &str) -> LLVMMachineType { + match cpu { + "x86_64" => LLVMMachineType::AMD64, + "x86" => LLVMMachineType::I386, + "aarch64" => LLVMMachineType::ARM64, + "arm" => LLVMMachineType::ARM, + _ => panic!("unsupported cpu type {}", cpu), + } +} + impl<'a> ArchiveBuilder<'a> for LlvmArchiveBuilder<'a> { /// Creates a new static archive, ready for modifying the archive specified /// by `config`. @@ -175,6 +188,74 @@ impl<'a> ArchiveBuilder<'a> for LlvmArchiveBuilder<'a> { self.config.sess.fatal(&format!("failed to build archive: {}", e)); } } + + fn inject_dll_import_lib( + &mut self, + lib_name: &str, + dll_imports: &[DllImport], + tmpdir: &MaybeTempDir, + ) { + let output_path = { + let mut output_path: PathBuf = tmpdir.as_ref().to_path_buf(); + output_path.push(format!("{}_imports", lib_name)); + output_path.with_extension("lib") + }; + + // we've checked for \0 characters in the library name already + let dll_name_z = CString::new(lib_name).unwrap(); + // All import names are Rust identifiers and therefore cannot contain \0 characters. + // FIXME: when support for #[link_name] implemented, ensure that import.name values don't + // have any \0 characters + let import_name_vector: Vec<CString> = dll_imports + .iter() + .map(if self.config.sess.target.arch == "x86" { + |import: &DllImport| CString::new(format!("_{}", import.name.to_string())).unwrap() + } else { + |import: &DllImport| CString::new(import.name.to_string()).unwrap() + }) + .collect(); + + let output_path_z = rustc_fs_util::path_to_c_string(&output_path); + + tracing::trace!("invoking LLVMRustWriteImportLibrary"); + tracing::trace!(" dll_name {:#?}", dll_name_z); + tracing::trace!(" output_path {}", output_path.display()); + tracing::trace!( + " import names: {}", + dll_imports.iter().map(|import| import.name.to_string()).collect::<Vec<_>>().join(", "), + ); + + let ffi_exports: Vec<LLVMRustCOFFShortExport> = import_name_vector + .iter() + .map(|name_z| LLVMRustCOFFShortExport::from_name(name_z.as_ptr())) + .collect(); + let result = unsafe { + crate::llvm::LLVMRustWriteImportLibrary( + dll_name_z.as_ptr(), + output_path_z.as_ptr(), + ffi_exports.as_ptr(), + ffi_exports.len(), + llvm_machine_type(&self.config.sess.target.arch) as u16, + !self.config.sess.target.is_like_msvc, + ) + }; + + if result == crate::llvm::LLVMRustResult::Failure { + self.config.sess.fatal(&format!( + "Error creating import library for {}: {}", + lib_name, + llvm::last_error().unwrap_or("unknown LLVM error".to_string()) + )); + } + + self.add_archive(&output_path, |_| false).unwrap_or_else(|e| { + self.config.sess.fatal(&format!( + "failed to add native library {}: {}", + output_path.display(), + e + )); + }); + } } impl<'a> LlvmArchiveBuilder<'a> { diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index bc9d99ed4a1..c8cf0116c64 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -69,6 +69,7 @@ impl abi::HasDataLayout for Builder<'_, '_, '_> { } impl ty::layout::HasTyCtxt<'tcx> for Builder<'_, '_, 'tcx> { + #[inline] fn tcx(&self) -> TyCtxt<'tcx> { self.cx.tcx } @@ -81,6 +82,7 @@ impl ty::layout::HasParamEnv<'tcx> for Builder<'_, '_, 'tcx> { } impl HasTargetSpec for Builder<'_, '_, 'tcx> { + #[inline] fn target_spec(&self) -> &Target { &self.cx.target_spec() } @@ -98,6 +100,7 @@ impl abi::LayoutOf for Builder<'_, '_, 'tcx> { impl Deref for Builder<'_, 'll, 'tcx> { type Target = CodegenCx<'ll, 'tcx>; + #[inline] fn deref(&self) -> &Self::Target { self.cx } diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index f5c54b11c08..6aa952462fa 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -765,18 +765,21 @@ impl<'b, 'tcx> CodegenCx<'b, 'tcx> { } impl HasDataLayout for CodegenCx<'ll, 'tcx> { + #[inline] fn data_layout(&self) -> &TargetDataLayout { &self.tcx.data_layout } } impl HasTargetSpec for CodegenCx<'ll, 'tcx> { + #[inline] fn target_spec(&self) -> &Target { &self.tcx.sess.target } } impl ty::layout::HasTyCtxt<'tcx> for CodegenCx<'ll, 'tcx> { + #[inline] fn tcx(&self) -> TyCtxt<'tcx> { self.tcx } diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 0db6659f8e2..1e70664e64d 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -1457,7 +1457,6 @@ struct EnumMemberDescriptionFactory<'ll, 'tcx> { enum_type: Ty<'tcx>, layout: TyAndLayout<'tcx>, tag_type_metadata: Option<&'ll DIType>, - containing_scope: &'ll DIScope, common_members: Vec<Option<&'ll DIType>>, span: Span, } @@ -1486,13 +1485,9 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { _ => bug!(), }; - // This will always find the metadata in the type map. let fallback = use_enum_fallback(cx); - let self_metadata = if fallback { - self.containing_scope - } else { - type_metadata(cx, self.enum_type, self.span) - }; + // This will always find the metadata in the type map. + let self_metadata = type_metadata(cx, self.enum_type, self.span); match self.layout.variants { Variants::Single { index } => { @@ -1507,7 +1502,7 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { cx, self.layout, variant_info, - NoTag, + None, self_metadata, self.span, ); @@ -1539,13 +1534,26 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { .. } => { let tag_info = if fallback { - RegularTag { + // For MSVC, we generate a union of structs for each variant with an explicit + // discriminant field roughly equivalent to the following C: + // ```c + // union enum$<{name}> { + // struct {variant 0 name} { + // tag$ variant$; + // <variant 0 fields> + // } variant0; + // <other variant structs> + // } + // ``` + // The natvis in `intrinsic.nativs` then matches on `this.variant0.variant$` to + // determine which variant is active and then displays it. + Some(DirectTag { tag_field: Field::from(tag_field), tag_type_metadata: self.tag_type_metadata.unwrap(), - } + }) } else { // This doesn't matter in this case. - NoTag + None }; variants .iter_enumerated() @@ -1574,7 +1582,7 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { MemberDescription { name: if fallback { - String::new() + format!("variant{}", i.as_u32()) } else { variant_info.variant_name() }, @@ -1599,77 +1607,135 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { ref variants, tag_field, } => { + let calculate_niche_value = |i: VariantIdx| { + if i == dataful_variant { + None + } else { + let value = (i.as_u32() as u128) + .wrapping_sub(niche_variants.start().as_u32() as u128) + .wrapping_add(niche_start); + let value = tag.value.size(cx).truncate(value); + // NOTE(eddyb) do *NOT* remove this assert, until + // we pass the full 128-bit value to LLVM, otherwise + // truncation will be silent and remain undetected. + assert_eq!(value as u64 as u128, value); + Some(value as u64) + } + }; + + // For MSVC, we will generate a union of two fields, one for the dataful variant + // and one that just points to the discriminant. We also create an enum that + // contains tag values for the non-dataful variants and make the discriminant field + // that type. We then use natvis to render the enum type correctly in Windbg/VS. + // This will generate debuginfo roughly equivalent to the following C: + // ```c + // union enum$<{name}, {min niche}, {max niche}, {dataful variant name}> { + // struct <dataful variant name> { + // <fields in dataful variant> + // } dataful_variant; + // enum Discriminant$ { + // <non-dataful variants> + // } discriminant; + // } + // ``` + // The natvis in `intrinsic.natvis` matches on the type name `enum$<*, *, *, *>` + // and evaluates `this.discriminant`. If the value is between the min niche and max + // niche, then the enum is in the dataful variant and `this.dataful_variant` is + // rendered. Otherwise, the enum is in one of the non-dataful variants. In that + // case, we just need to render the name of the `this.discriminant` enum. if fallback { - let variant = self.layout.for_variant(cx, dataful_variant); - // Create a description of the non-null variant. - let (variant_type_metadata, member_description_factory) = describe_enum_variant( + let dataful_variant_layout = self.layout.for_variant(cx, dataful_variant); + + let mut discr_enum_ty = tag.value.to_ty(cx.tcx); + // If the niche is the NULL value of a reference, then `discr_enum_ty` will be a RawPtr. + // CodeView doesn't know what to do with enums whose base type is a pointer so we fix this up + // to just be `usize`. + if let ty::RawPtr(_) = discr_enum_ty.kind() { + discr_enum_ty = cx.tcx.types.usize; + } + + let tags: Vec<_> = variants + .iter_enumerated() + .filter_map(|(variant_idx, _)| { + calculate_niche_value(variant_idx).map(|tag| { + let variant = variant_info_for(variant_idx); + let name = variant.variant_name(); + + Some(unsafe { + llvm::LLVMRustDIBuilderCreateEnumerator( + DIB(cx), + name.as_ptr().cast(), + name.len(), + tag as i64, + !discr_enum_ty.is_signed(), + ) + }) + }) + }) + .collect(); + + let discr_enum = unsafe { + llvm::LLVMRustDIBuilderCreateEnumerationType( + DIB(cx), + self_metadata, + "Discriminant$".as_ptr().cast(), + "Discriminant$".len(), + unknown_file_metadata(cx), + UNKNOWN_LINE_NUMBER, + tag.value.size(cx).bits(), + tag.value.align(cx).abi.bits() as u32, + create_DIArray(DIB(cx), &tags), + type_metadata(cx, discr_enum_ty, self.span), + true, + ) + }; + + let variant_info = variant_info_for(dataful_variant); + let (variant_type_metadata, member_desc_factory) = describe_enum_variant( cx, - variant, - variant_info_for(dataful_variant), - OptimizedTag, - self.containing_scope, + dataful_variant_layout, + variant_info, + Some(NicheTag), + self_metadata, self.span, ); - let variant_member_descriptions = - member_description_factory.create_member_descriptions(cx); + let member_descriptions = member_desc_factory.create_member_descriptions(cx); set_members_of_composite_type( cx, self.enum_type, variant_type_metadata, - variant_member_descriptions, + member_descriptions, Some(&self.common_members), ); - // Encode the information about the null variant in the union - // member's name. - let mut name = String::from("RUST$ENCODED$ENUM$"); - // Right now it's not even going to work for `niche_start > 0`, - // and for multiple niche variants it only supports the first. - fn compute_field_path<'a, 'tcx>( - cx: &CodegenCx<'a, 'tcx>, - name: &mut String, - layout: TyAndLayout<'tcx>, - offset: Size, - size: Size, - ) { - for i in 0..layout.fields.count() { - let field_offset = layout.fields.offset(i); - if field_offset > offset { - continue; - } - let inner_offset = offset - field_offset; - let field = layout.field(cx, i); - if inner_offset + size <= field.size { - write!(name, "{}$", i).unwrap(); - compute_field_path(cx, name, field, inner_offset, size); - } - } - } - compute_field_path( - cx, - &mut name, - self.layout, - self.layout.fields.offset(tag_field), - self.layout.field(cx, tag_field).size, - ); - let variant_info = variant_info_for(*niche_variants.start()); - variant_info.map_struct_name(|variant_name| { - name.push_str(variant_name); - }); - - // Create the (singleton) list of descriptions of union members. - vec![MemberDescription { - name, - type_metadata: variant_type_metadata, - offset: Size::ZERO, - size: variant.size, - align: variant.align.abi, - flags: DIFlags::FlagZero, - discriminant: None, - source_info: variant_info.source_info(cx), - }] + let (size, align) = + cx.size_and_align_of(dataful_variant_layout.field(cx, tag_field).ty); + + vec![ + MemberDescription { + // Name the dataful variant so that we can identify it for natvis + name: "dataful_variant".to_string(), + type_metadata: variant_type_metadata, + offset: Size::ZERO, + size: self.layout.size, + align: self.layout.align.abi, + flags: DIFlags::FlagZero, + discriminant: None, + source_info: variant_info.source_info(cx), + }, + MemberDescription { + name: "discriminant".into(), + type_metadata: discr_enum, + offset: dataful_variant_layout.fields.offset(tag_field), + size, + align, + flags: DIFlags::FlagZero, + discriminant: None, + source_info: None, + }, + ] } else { variants .iter_enumerated() @@ -1681,7 +1747,7 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { cx, variant, variant_info, - OptimizedTag, + Some(NicheTag), self_metadata, self.span, ); @@ -1697,19 +1763,7 @@ impl EnumMemberDescriptionFactory<'ll, 'tcx> { Some(&self.common_members), ); - let niche_value = if i == dataful_variant { - None - } else { - let value = (i.as_u32() as u128) - .wrapping_sub(niche_variants.start().as_u32() as u128) - .wrapping_add(niche_start); - let value = tag.value.size(cx).truncate(value); - // NOTE(eddyb) do *NOT* remove this assert, until - // we pass the full 128-bit value to LLVM, otherwise - // truncation will be silent and remain undetected. - assert_eq!(value as u64 as u128, value); - Some(value as u64) - }; + let niche_value = calculate_niche_value(i); MemberDescription { name: variant_info.variant_name(), @@ -1771,14 +1825,10 @@ impl VariantMemberDescriptionFactory<'ll, 'tcx> { } } -// FIXME: terminology here should be aligned with `abi::TagEncoding`. -// `OptimizedTag` is `TagEncoding::Niche`, `RegularTag` is `TagEncoding::Direct`. -// `NoTag` should be removed; users should use `Option<EnumTagInfo>` instead. #[derive(Copy, Clone)] enum EnumTagInfo<'ll> { - RegularTag { tag_field: Field, tag_type_metadata: &'ll DIType }, - OptimizedTag, - NoTag, + DirectTag { tag_field: Field, tag_type_metadata: &'ll DIType }, + NicheTag, } #[derive(Copy, Clone)] @@ -1859,7 +1909,7 @@ fn describe_enum_variant( cx: &CodegenCx<'ll, 'tcx>, layout: layout::TyAndLayout<'tcx>, variant: VariantInfo<'_, 'tcx>, - discriminant_info: EnumTagInfo<'ll>, + discriminant_info: Option<EnumTagInfo<'ll>>, containing_scope: &'ll DIScope, span: Span, ) -> (&'ll DICompositeType, MemberDescriptionFactory<'ll, 'tcx>) { @@ -1882,12 +1932,11 @@ fn describe_enum_variant( let (offsets, args) = if use_enum_fallback(cx) { // If this is not a univariant enum, there is also the discriminant field. let (discr_offset, discr_arg) = match discriminant_info { - RegularTag { tag_field, .. } => { + Some(DirectTag { tag_field, .. }) => { // We have the layout of an enum variant, we need the layout of the outer enum let enum_layout = cx.layout_of(layout.ty); let offset = enum_layout.fields.offset(tag_field.as_usize()); - let args = - ("RUST$ENUM$DISR".to_owned(), enum_layout.field(cx, tag_field.as_usize()).ty); + let args = ("variant$".to_owned(), enum_layout.field(cx, tag_field.as_usize()).ty); (Some(offset), Some(args)) } _ => (None, None), @@ -1918,7 +1967,7 @@ fn describe_enum_variant( offsets, args, tag_type_metadata: match discriminant_info { - RegularTag { tag_type_metadata, .. } => Some(tag_type_metadata), + Some(DirectTag { tag_type_metadata, .. }) => Some(tag_type_metadata), _ => None, }, span, @@ -2048,9 +2097,9 @@ fn prepare_enum_metadata( if use_enum_fallback(cx) { let discriminant_type_metadata = match layout.variants { - Variants::Single { .. } - | Variants::Multiple { tag_encoding: TagEncoding::Niche { .. }, .. } => None, - Variants::Multiple { tag_encoding: TagEncoding::Direct, ref tag, .. } => { + Variants::Single { .. } => None, + Variants::Multiple { tag_encoding: TagEncoding::Niche { .. }, ref tag, .. } + | Variants::Multiple { tag_encoding: TagEncoding::Direct, ref tag, .. } => { Some(discriminant_type_metadata(tag.value)) } }; @@ -2062,7 +2111,7 @@ fn prepare_enum_metadata( unsafe { llvm::LLVMRustDIBuilderCreateUnionType( DIB(cx), - containing_scope, + None, enum_name.as_ptr().cast(), enum_name.len(), file_metadata, @@ -2088,7 +2137,6 @@ fn prepare_enum_metadata( enum_type, layout, tag_type_metadata: discriminant_type_metadata, - containing_scope, common_members: vec![], span, }), @@ -2241,7 +2289,6 @@ fn prepare_enum_metadata( enum_type, layout, tag_type_metadata: None, - containing_scope, common_members: outer_fields, span, }), @@ -2437,7 +2484,7 @@ fn create_union_stub( llvm::LLVMRustDIBuilderCreateUnionType( DIB(cx), - containing_scope, + Some(containing_scope), union_type_name.as_ptr().cast(), union_type_name.len(), unknown_file_metadata(cx), diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 728f1224dd8..776cb2ee99b 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -29,8 +29,8 @@ use rustc_codegen_ssa::{CodegenResults, CompiledModule}; use rustc_data_structures::fx::FxHashMap; use rustc_errors::{ErrorReported, FatalError, Handler}; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; -use rustc_middle::middle::cstore::{EncodedMetadata, MetadataLoaderDyn}; -use rustc_middle::ty::{self, TyCtxt}; +use rustc_middle::middle::cstore::EncodedMetadata; +use rustc_middle::ty::TyCtxt; use rustc_session::config::{OptLevel, OutputFilenames, PrintRequest}; use rustc_session::Session; use rustc_span::symbol::Symbol; @@ -248,13 +248,6 @@ impl CodegenBackend for LlvmCodegenBackend { target_features(sess) } - fn metadata_loader(&self) -> Box<MetadataLoaderDyn> { - Box::new(rustc_codegen_ssa::back::metadata::DefaultMetadataLoader) - } - - fn provide(&self, _providers: &mut ty::query::Providers) {} - fn provide_extern(&self, _providers: &mut ty::query::Providers) {} - fn codegen_crate<'tcx>( &self, tcx: TyCtxt<'tcx>, @@ -304,7 +297,7 @@ impl CodegenBackend for LlvmCodegenBackend { sess, &codegen_results, outputs, - &codegen_results.crate_name.as_str(), + &codegen_results.crate_info.local_crate_name.as_str(), ); Ok(()) diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 8b1dcea3fa2..91923251018 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -29,6 +29,31 @@ pub enum LLVMRustResult { Success, Failure, } + +// Rust version of the C struct with the same name in rustc_llvm/llvm-wrapper/RustWrapper.cpp. +#[repr(C)] +pub struct LLVMRustCOFFShortExport { + pub name: *const c_char, +} + +impl LLVMRustCOFFShortExport { + pub fn from_name(name: *const c_char) -> LLVMRustCOFFShortExport { + LLVMRustCOFFShortExport { name } + } +} + +/// Translation of LLVM's MachineTypes enum, defined in llvm\include\llvm\BinaryFormat\COFF.h. +/// +/// We include only architectures supported on Windows. +#[derive(Copy, Clone, PartialEq)] +#[repr(C)] +pub enum LLVMMachineType { + AMD64 = 0x8664, + I386 = 0x14c, + ARM64 = 0xaa64, + ARM = 0x01c0, +} + // Consts for the LLVM CallConv type, pre-cast to usize. /// LLVM CallingConv::ID. Should we wrap this? @@ -583,11 +608,6 @@ extern "C" { pub type PassManagerBuilder; } extern "C" { - pub type ObjectFile; -} -#[repr(C)] -pub struct SectionIterator<'a>(InvariantOpaque<'a>); -extern "C" { pub type Pass; } extern "C" { @@ -1703,35 +1723,6 @@ extern "C" { pub fn LLVMDisposeMessage(message: *mut c_char); - // Stuff that's in llvm-wrapper/ because it's not upstream yet. - - /// Opens an object file. - pub fn LLVMCreateObjectFile( - MemBuf: &'static mut MemoryBuffer, - ) -> Option<&'static mut ObjectFile>; - /// Closes an object file. - pub fn LLVMDisposeObjectFile(ObjFile: &'static mut ObjectFile); - - /// Enumerates the sections in an object file. - pub fn LLVMGetSections(ObjFile: &'a ObjectFile) -> &'a mut SectionIterator<'a>; - /// Destroys a section iterator. - pub fn LLVMDisposeSectionIterator(SI: &'a mut SectionIterator<'a>); - /// Returns `true` if the section iterator is at the end of the section - /// list: - pub fn LLVMIsSectionIteratorAtEnd(ObjFile: &'a ObjectFile, SI: &SectionIterator<'a>) -> Bool; - /// Moves the section iterator to point to the next section. - pub fn LLVMMoveToNextSection(SI: &SectionIterator<'_>); - /// Returns the current section size. - pub fn LLVMGetSectionSize(SI: &SectionIterator<'_>) -> c_ulonglong; - /// Returns the current section contents as a string buffer. - pub fn LLVMGetSectionContents(SI: &SectionIterator<'_>) -> *const c_char; - - /// Reads the given file and returns it as a memory buffer. Use - /// LLVMDisposeMemoryBuffer() to get rid of it. - pub fn LLVMRustCreateMemoryBufferWithContentsOfFile( - Path: *const c_char, - ) -> Option<&'static mut MemoryBuffer>; - pub fn LLVMStartMultithreaded() -> Bool; /// Returns a string describing the last error caused by an LLVMRust* call. @@ -2038,7 +2029,7 @@ extern "C" { pub fn LLVMRustDIBuilderCreateUnionType( Builder: &DIBuilder<'a>, - Scope: &'a DIScope, + Scope: Option<&'a DIScope>, Name: *const c_char, NameLen: size_t, File: &'a DIFile, @@ -2237,12 +2228,6 @@ extern "C" { pub fn LLVMRustDestroyArchive(AR: &'static mut Archive); #[allow(improper_ctypes)] - pub fn LLVMRustGetSectionName( - SI: &SectionIterator<'_>, - data: &mut Option<std::ptr::NonNull<c_char>>, - ) -> size_t; - - #[allow(improper_ctypes)] pub fn LLVMRustWriteTwineToString(T: &Twine, s: &RustString); pub fn LLVMContextSetDiagnosticHandler( @@ -2305,6 +2290,15 @@ extern "C" { ) -> &'a mut RustArchiveMember<'a>; pub fn LLVMRustArchiveMemberFree(Member: &'a mut RustArchiveMember<'a>); + pub fn LLVMRustWriteImportLibrary( + ImportName: *const c_char, + Path: *const c_char, + Exports: *const LLVMRustCOFFShortExport, + NumExports: usize, + Machine: u16, + MinGW: bool, + ) -> LLVMRustResult; + pub fn LLVMRustSetDataLayoutFromTargetMachine(M: &'a Module, TM: &'a TargetMachine); pub fn LLVMRustBuildOperandBundleDef( diff --git a/compiler/rustc_codegen_llvm/src/llvm/mod.rs b/compiler/rustc_codegen_llvm/src/llvm/mod.rs index bb9c6d47373..38d56f87211 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/mod.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/mod.rs @@ -150,50 +150,6 @@ impl Attribute { } } -// Memory-managed interface to object files. - -pub struct ObjectFile { - pub llof: &'static mut ffi::ObjectFile, -} - -unsafe impl Send for ObjectFile {} - -impl ObjectFile { - // This will take ownership of llmb - pub fn new(llmb: &'static mut MemoryBuffer) -> Option<ObjectFile> { - unsafe { - let llof = LLVMCreateObjectFile(llmb)?; - Some(ObjectFile { llof }) - } - } -} - -impl Drop for ObjectFile { - fn drop(&mut self) { - unsafe { - LLVMDisposeObjectFile(&mut *(self.llof as *mut _)); - } - } -} - -// Memory-managed interface to section iterators. - -pub struct SectionIter<'a> { - pub llsi: &'a mut SectionIterator<'a>, -} - -impl Drop for SectionIter<'a> { - fn drop(&mut self) { - unsafe { - LLVMDisposeSectionIterator(&mut *(self.llsi as *mut _)); - } - } -} - -pub fn mk_section_iter(llof: &ffi::ObjectFile) -> SectionIter<'_> { - unsafe { SectionIter { llsi: LLVMGetSections(llof) } } -} - pub fn set_section(llglobal: &Value, section_name: &str) { let section_name_cstr = CString::new(section_name).expect("unexpected CString error"); unsafe { diff --git a/compiler/rustc_codegen_ssa/Cargo.toml b/compiler/rustc_codegen_ssa/Cargo.toml index 3a677a2437c..9bd5764f073 100644 --- a/compiler/rustc_codegen_ssa/Cargo.toml +++ b/compiler/rustc_codegen_ssa/Cargo.toml @@ -35,6 +35,6 @@ rustc_target = { path = "../rustc_target" } rustc_session = { path = "../rustc_session" } [dependencies.object] -version = "0.22.0" +version = "0.25.2" default-features = false -features = ["read_core", "elf", "macho", "pe", "unaligned", "archive"] +features = ["read_core", "elf", "macho", "pe", "unaligned", "archive", "write"] diff --git a/compiler/rustc_codegen_ssa/src/back/archive.rs b/compiler/rustc_codegen_ssa/src/back/archive.rs index c197d48d4ea..63f457bb979 100644 --- a/compiler/rustc_codegen_ssa/src/back/archive.rs +++ b/compiler/rustc_codegen_ssa/src/back/archive.rs @@ -1,3 +1,5 @@ +use rustc_data_structures::temp_dir::MaybeTempDir; +use rustc_middle::middle::cstore::DllImport; use rustc_session::Session; use rustc_span::symbol::Symbol; @@ -57,4 +59,11 @@ pub trait ArchiveBuilder<'a> { fn update_symbols(&mut self); fn build(self); + + fn inject_dll_import_lib( + &mut self, + lib_name: &str, + dll_imports: &[DllImport], + tmpdir: &MaybeTempDir, + ); } diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 32275e9b073..6a2005b4d23 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -1,9 +1,9 @@ -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::temp_dir::MaybeTempDir; use rustc_errors::Handler; use rustc_fs_util::fix_windows_verbatim_for_gcc; use rustc_hir::def_id::CrateNum; -use rustc_middle::middle::cstore::{EncodedMetadata, LibSource}; +use rustc_middle::middle::cstore::{DllImport, LibSource}; use rustc_middle::middle::dependency_format::Linkage; use rustc_session::config::{self, CFGuard, CrateType, DebugInfo}; use rustc_session::config::{OutputFilenames, OutputType, PrintRequest}; @@ -14,6 +14,7 @@ use rustc_session::utils::NativeLibKind; /// need out of the shared crate context before we get rid of it. use rustc_session::{filesearch, Session}; use rustc_span::symbol::Symbol; +use rustc_target::abi::Endian; use rustc_target::spec::crt_objects::{CrtObjects, CrtObjectsFallback}; use rustc_target::spec::{LinkOutputKind, LinkerFlavor, LldFlavor, SplitDebuginfo}; use rustc_target::spec::{PanicStrategy, RelocModel, RelroLevel, SanitizerSet, Target}; @@ -28,8 +29,12 @@ use crate::{ }; use cc::windows_registry; +use object::elf; +use object::write::Object; +use object::{Architecture, BinaryFormat, Endianness, FileFlags, SectionFlags, SectionKind}; use tempfile::Builder as TempFileBuilder; +use std::cmp::Ordering; use std::ffi::OsString; use std::path::{Path, PathBuf}; use std::process::{ExitStatus, Output, Stdio}; @@ -278,9 +283,9 @@ pub fn each_linked_rlib( /// building an `.rlib` (stomping over one another), or writing an `.rmeta` into a /// directory being searched for `extern crate` (observing an incomplete file). /// The returned path is the temporary file containing the complete metadata. -pub fn emit_metadata(sess: &Session, metadata: &EncodedMetadata, tmpdir: &MaybeTempDir) -> PathBuf { +pub fn emit_metadata(sess: &Session, metadata: &[u8], tmpdir: &MaybeTempDir) -> PathBuf { let out_filename = tmpdir.as_ref().join(METADATA_FILENAME); - let result = fs::write(&out_filename, &metadata.raw_data); + let result = fs::write(&out_filename, metadata); if let Err(e) = result { sess.fatal(&format!("failed to write {}: {}", out_filename.display(), e)); @@ -339,6 +344,12 @@ fn link_rlib<'a, B: ArchiveBuilder<'a>>( } } + for (raw_dylib_name, raw_dylib_imports) in + collate_raw_dylibs(&codegen_results.crate_info.used_libraries) + { + ab.inject_dll_import_lib(&raw_dylib_name, &raw_dylib_imports, tmpdir); + } + // After adding all files to the archive, we need to update the // symbol table of the archive. ab.update_symbols(); @@ -366,9 +377,11 @@ fn link_rlib<'a, B: ArchiveBuilder<'a>>( // code above. match flavor { RlibFlavor::Normal => { - // Instead of putting the metadata in an object file section, rlibs - // contain the metadata in a separate file. - ab.add_file(&emit_metadata(sess, &codegen_results.metadata, tmpdir)); + // metadata in rlib files is wrapped in a "dummy" object file for + // the target platform so the rlib can be processed entirely by + // normal linkers for the platform. + let metadata = create_metadata_file(sess, &codegen_results.metadata.raw_data); + ab.add_file(&emit_metadata(sess, &metadata, tmpdir)); // After adding all files to the archive, we need to update the // symbol table of the archive. This currently dies on macOS (see @@ -385,8 +398,188 @@ fn link_rlib<'a, B: ArchiveBuilder<'a>>( } } } + return ab; + + // For rlibs we "pack" rustc metadata into a dummy object file. When rustc + // creates a dylib crate type it will pass `--whole-archive` (or the + // platform equivalent) to include all object files from an rlib into the + // final dylib itself. This causes linkers to iterate and try to include all + // files located in an archive, so if metadata is stored in an archive then + // it needs to be of a form that the linker will be able to process. + // + // Note, though, that we don't actually want this metadata to show up in any + // final output of the compiler. Instead this is purely for rustc's own + // metadata tracking purposes. + // + // With the above in mind, each "flavor" of object format gets special + // handling here depending on the target: + // + // * MachO - macos-like targets will insert the metadata into a section that + // is sort of fake dwarf debug info. Inspecting the source of the macos + // linker this causes these sections to be skipped automatically because + // it's not in an allowlist of otherwise well known dwarf section names to + // go into the final artifact. + // + // * WebAssembly - we actually don't have any container format for this + // target. WebAssembly doesn't support the `dylib` crate type anyway so + // there's no need for us to support this at this time. Consequently the + // metadata bytes are simply stored as-is into an rlib. + // + // * COFF - Windows-like targets create an object with a section that has + // the `IMAGE_SCN_LNK_REMOVE` flag set which ensures that if the linker + // ever sees the section it doesn't process it and it's removed. + // + // * ELF - All other targets are similar to Windows in that there's a + // `SHF_EXCLUDE` flag we can set on sections in an object file to get + // automatically removed from the final output. + // + // Note that this metdata format is kept in sync with + // `rustc_codegen_ssa/src/back/metadata.rs`. + fn create_metadata_file(sess: &Session, metadata: &[u8]) -> Vec<u8> { + let endianness = match sess.target.options.endian { + Endian::Little => Endianness::Little, + Endian::Big => Endianness::Big, + }; + let architecture = match &sess.target.arch[..] { + "arm" => Architecture::Arm, + "aarch64" => Architecture::Aarch64, + "x86" => Architecture::I386, + "s390x" => Architecture::S390x, + "mips" => Architecture::Mips, + "mips64" => Architecture::Mips64, + "x86_64" => { + if sess.target.pointer_width == 32 { + Architecture::X86_64_X32 + } else { + Architecture::X86_64 + } + } + "powerpc" => Architecture::PowerPc, + "powerpc64" => Architecture::PowerPc64, + "riscv32" => Architecture::Riscv32, + "riscv64" => Architecture::Riscv64, + "sparc64" => Architecture::Sparc64, + + // This is used to handle all "other" targets. This includes targets + // in two categories: + // + // * Some targets don't have support in the `object` crate just yet + // to write an object file. These targets are likely to get filled + // out over time. + // + // * Targets like WebAssembly don't support dylibs, so the purpose + // of putting metadata in object files, to support linking rlibs + // into dylibs, is moot. + // + // In both of these cases it means that linking into dylibs will + // not be supported by rustc. This doesn't matter for targets like + // WebAssembly and for targets not supported by the `object` crate + // yet it means that work will need to be done in the `object` crate + // to add a case above. + _ => return metadata.to_vec(), + }; + + if sess.target.is_like_osx { + let mut file = Object::new(BinaryFormat::MachO, architecture, endianness); + + let section = + file.add_section(b"__DWARF".to_vec(), b".rmeta".to_vec(), SectionKind::Debug); + file.append_section_data(section, metadata, 1); + file.write().unwrap() + } else if sess.target.is_like_windows { + const IMAGE_SCN_LNK_REMOVE: u32 = 0; + let mut file = Object::new(BinaryFormat::Coff, architecture, endianness); + + let section = file.add_section(Vec::new(), b".rmeta".to_vec(), SectionKind::Debug); + file.section_mut(section).flags = + SectionFlags::Coff { characteristics: IMAGE_SCN_LNK_REMOVE }; + file.append_section_data(section, metadata, 1); + file.write().unwrap() + } else { + const SHF_EXCLUDE: u64 = 0x80000000; + let mut file = Object::new(BinaryFormat::Elf, architecture, endianness); + + match &sess.target.arch[..] { + // copied from `mipsel-linux-gnu-gcc foo.c -c` and + // inspecting the resulting `e_flags` field. + "mips" => { + let e_flags = elf::EF_MIPS_ARCH_32R2 | elf::EF_MIPS_CPIC | elf::EF_MIPS_PIC; + file.flags = FileFlags::Elf { e_flags }; + } + // copied from `mips64el-linux-gnuabi64-gcc foo.c -c` + "mips64" => { + let e_flags = elf::EF_MIPS_ARCH_64R2 | elf::EF_MIPS_CPIC | elf::EF_MIPS_PIC; + file.flags = FileFlags::Elf { e_flags }; + } + + // copied from `riscv64-linux-gnu-gcc foo.c -c`, note though + // that the `+d` target feature represents whether the double + // float abi is enabled. + "riscv64" if sess.target.options.features.contains("+d") => { + let e_flags = elf::EF_RISCV_RVC | elf::EF_RISCV_FLOAT_ABI_DOUBLE; + file.flags = FileFlags::Elf { e_flags }; + } + + _ => {} + } + + let section = file.add_section(Vec::new(), b".rmeta".to_vec(), SectionKind::Debug); + file.section_mut(section).flags = SectionFlags::Elf { sh_flags: SHF_EXCLUDE }; + file.append_section_data(section, metadata, 1); + file.write().unwrap() + } + } +} + +/// Extract all symbols defined in raw-dylib libraries, collated by library name. +/// +/// If we have multiple extern blocks that specify symbols defined in the same raw-dylib library, +/// then the CodegenResults value contains one NativeLib instance for each block. However, the +/// linker appears to expect only a single import library for each library used, so we need to +/// collate the symbols together by library name before generating the import libraries. +fn collate_raw_dylibs(used_libraries: &[NativeLib]) -> Vec<(String, Vec<DllImport>)> { + let mut dylib_table: FxHashMap<String, FxHashSet<Symbol>> = FxHashMap::default(); + + for lib in used_libraries { + if lib.kind == NativeLibKind::RawDylib { + let name = lib.name.unwrap_or_else(|| + bug!("`link` attribute with kind = \"raw-dylib\" and no name should have caused error earlier") + ); + let name = if matches!(lib.verbatim, Some(true)) { + name.to_string() + } else { + format!("{}.dll", name) + }; + dylib_table + .entry(name) + .or_default() + .extend(lib.dll_imports.iter().map(|import| import.name)); + } + } - ab + // FIXME: when we add support for ordinals, fix this to propagate ordinals. Also figure out + // what we should do if we have two DllImport values with the same name but different + // ordinals. + let mut result = dylib_table + .into_iter() + .map(|(lib_name, imported_names)| { + let mut names = imported_names + .iter() + .map(|name| DllImport { name: *name, ordinal: None }) + .collect::<Vec<_>>(); + names.sort_unstable_by(|a: &DllImport, b: &DllImport| { + match a.name.as_str().cmp(&b.name.as_str()) { + Ordering::Equal => a.ordinal.cmp(&b.ordinal), + x => x, + } + }); + (lib_name, names) + }) + .collect::<Vec<_>>(); + result.sort_unstable_by(|a: &(String, Vec<DllImport>), b: &(String, Vec<DllImport>)| { + a.0.cmp(&b.0) + }); + result } /// Create a static archive. @@ -865,7 +1058,7 @@ fn link_natively<'a, B: ArchiveBuilder<'a>>( } } -fn link_sanitizers(sess: &Session, crate_type: CrateType, linker: &mut dyn Linker) { +fn add_sanitizer_libraries(sess: &Session, crate_type: CrateType, linker: &mut dyn Linker) { // On macOS the runtimes are distributed as dylibs which should be linked to // both executables and dynamic shared objects. Everywhere else the runtimes // are currently distributed as static liraries which should be linked to @@ -954,7 +1147,8 @@ pub fn ignored_for_lto(sess: &Session, info: &CrateInfo, cnum: CrateNum) -> bool && (info.compiler_builtins == Some(cnum) || info.is_no_builtins.contains(&cnum)) } -fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) { +// This functions tries to determine the appropriate linker (and corresponding LinkerFlavor) to use +pub fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) { fn infer_from( sess: &Session, linker: Option<PathBuf>, @@ -989,6 +1183,7 @@ fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) { LinkerFlavor::Msvc => "link.exe", LinkerFlavor::Lld(_) => "lld", LinkerFlavor::PtxLinker => "rust-ptx-linker", + LinkerFlavor::BpfLinker => "bpf-linker", }), flavor, )), @@ -1005,6 +1200,8 @@ fn linker_and_flavor(sess: &Session) -> (PathBuf, LinkerFlavor) { || stem.ends_with("-clang") { LinkerFlavor::Gcc + } else if stem == "wasm-ld" || stem.ends_with("-wasm-ld") { + LinkerFlavor::Lld(LldFlavor::Wasm) } else if stem == "ld" || stem == "ld.lld" || stem.ends_with("-ld") { LinkerFlavor::Ld } else if stem == "link" || stem == "lld-link" { @@ -1484,55 +1681,6 @@ fn add_local_crate_metadata_objects( } } -/// Link native libraries corresponding to the current crate and all libraries corresponding to -/// all its dependency crates. -/// FIXME: Consider combining this with the functions above adding object files for the local crate. -fn link_local_crate_native_libs_and_dependent_crate_libs<'a, B: ArchiveBuilder<'a>>( - cmd: &mut dyn Linker, - sess: &'a Session, - crate_type: CrateType, - codegen_results: &CodegenResults, - tmpdir: &Path, -) { - // Take careful note of the ordering of the arguments we pass to the linker - // here. Linkers will assume that things on the left depend on things to the - // right. Things on the right cannot depend on things on the left. This is - // all formally implemented in terms of resolving symbols (libs on the right - // resolve unknown symbols of libs on the left, but not vice versa). - // - // For this reason, we have organized the arguments we pass to the linker as - // such: - // - // 1. The local object that LLVM just generated - // 2. Local native libraries - // 3. Upstream rust libraries - // 4. Upstream native libraries - // - // The rationale behind this ordering is that those items lower down in the - // list can't depend on items higher up in the list. For example nothing can - // depend on what we just generated (e.g., that'd be a circular dependency). - // Upstream rust libraries are not allowed to depend on our local native - // libraries as that would violate the structure of the DAG, in that - // scenario they are required to link to them as well in a shared fashion. - // - // Note that upstream rust libraries may contain native dependencies as - // well, but they also can't depend on what we just started to add to the - // link line. And finally upstream native libraries can't depend on anything - // in this DAG so far because they're only dylibs and dylibs can only depend - // on other dylibs (e.g., other native deps). - // - // If -Zlink-native-libraries=false is set, then the assumption is that an - // external build system already has the native dependencies defined, and it - // will provide them to the linker itself. - if sess.opts.debugging_opts.link_native_libraries { - add_local_native_libraries(cmd, sess, codegen_results); - } - add_upstream_rust_crates::<B>(cmd, sess, codegen_results, crate_type, tmpdir); - if sess.opts.debugging_opts.link_native_libraries { - add_upstream_native_libraries(cmd, sess, codegen_results, crate_type); - } -} - /// Add sysroot and other globally set directories to the directory search list. fn add_library_search_dirs(cmd: &mut dyn Linker, sess: &Session, self_contained: bool) { // The default library location, we need this to find the runtime. @@ -1567,36 +1715,27 @@ fn add_rpath_args( ) { // FIXME (#2397): At some point we want to rpath our guesses as to // where extern libraries might live, based on the - // addl_lib_search_paths + // add_lib_search_paths if sess.opts.cg.rpath { - let target_triple = sess.opts.target_triple.triple(); - let mut get_install_prefix_lib_path = || { - let install_prefix = option_env!("CFG_PREFIX").expect("CFG_PREFIX"); - let tlib = rustc_target::target_rustlib_path(&sess.sysroot, target_triple).join("lib"); - let mut path = PathBuf::from(install_prefix); - path.push(&tlib); - - path - }; let mut rpath_config = RPathConfig { used_crates: &codegen_results.crate_info.used_crates_dynamic, out_filename: out_filename.to_path_buf(), has_rpath: sess.target.has_rpath, is_like_osx: sess.target.is_like_osx, linker_is_gnu: sess.target.linker_is_gnu, - get_install_prefix_lib_path: &mut get_install_prefix_lib_path, }; cmd.args(&rpath::get_rpath_flags(&mut rpath_config)); } } /// Produce the linker command line containing linker path and arguments. -/// `NO-OPT-OUT` marks the arguments that cannot be removed from the command line -/// by the user without creating a custom target specification. -/// `OBJECT-FILES` specify whether the arguments can add object files. -/// `CUSTOMIZATION-POINT` means that arbitrary arguments defined by the user -/// or by the target spec can be inserted here. -/// `AUDIT-ORDER` - need to figure out whether the option is order-dependent or not. +/// +/// When comments in the function say "order-(in)dependent" they mean order-dependence between +/// options and libraries/object files. For example `--whole-archive` (order-dependent) applies +/// to specific libraries passed after it, and `-o` (output file, order-independent) applies +/// to the linking process as a whole. +/// Order-independent options may still override each other in order-dependent fashion, +/// e.g `--foo=yes --foo=no` may be equivalent to `--foo=no`. fn linker_with_args<'a, B: ArchiveBuilder<'a>>( path: &Path, flavor: LinkerFlavor, @@ -1614,16 +1753,151 @@ fn linker_with_args<'a, B: ArchiveBuilder<'a>>( let cmd = &mut *codegen_results.linker_info.to_linker(base_cmd, &sess, flavor); let link_output_kind = link_output_kind(sess, crate_type); - // NO-OPT-OUT, OBJECT-FILES-MAYBE, CUSTOMIZATION-POINT + // ------------ Early order-dependent options ------------ + + // If we're building something like a dynamic library then some platforms + // need to make sure that all symbols are exported correctly from the + // dynamic library. + // Must be passed before any libraries to prevent the symbols to export from being thrown away, + // at least on some platforms (e.g. windows-gnu). + cmd.export_symbols(tmpdir, crate_type); + + // Can be used for adding custom CRT objects or overriding order-dependent options above. + // FIXME: In practice built-in target specs use this for arbitrary order-independent options, + // introduce a target spec option for order-independent linker options and migrate built-in + // specs to it. add_pre_link_args(cmd, sess, flavor); - // NO-OPT-OUT, OBJECT-FILES-NO + // ------------ Object code and libraries, order-dependent ------------ + + // Pre-link CRT objects. + add_pre_link_objects(cmd, sess, link_output_kind, crt_objects_fallback); + + // Sanitizer libraries. + add_sanitizer_libraries(sess, crate_type, cmd); + + // Object code from the current crate. + // Take careful note of the ordering of the arguments we pass to the linker + // here. Linkers will assume that things on the left depend on things to the + // right. Things on the right cannot depend on things on the left. This is + // all formally implemented in terms of resolving symbols (libs on the right + // resolve unknown symbols of libs on the left, but not vice versa). + // + // For this reason, we have organized the arguments we pass to the linker as + // such: + // + // 1. The local object that LLVM just generated + // 2. Local native libraries + // 3. Upstream rust libraries + // 4. Upstream native libraries + // + // The rationale behind this ordering is that those items lower down in the + // list can't depend on items higher up in the list. For example nothing can + // depend on what we just generated (e.g., that'd be a circular dependency). + // Upstream rust libraries are not supposed to depend on our local native + // libraries as that would violate the structure of the DAG, in that + // scenario they are required to link to them as well in a shared fashion. + // (The current implementation still doesn't prevent it though, see the FIXME below.) + // + // Note that upstream rust libraries may contain native dependencies as + // well, but they also can't depend on what we just started to add to the + // link line. And finally upstream native libraries can't depend on anything + // in this DAG so far because they can only depend on other native libraries + // and such dependencies are also required to be specified. + add_local_crate_regular_objects(cmd, codegen_results); + add_local_crate_metadata_objects(cmd, crate_type, codegen_results); + add_local_crate_allocator_objects(cmd, codegen_results); + + // Avoid linking to dynamic libraries unless they satisfy some undefined symbols + // at the point at which they are specified on the command line. + // Must be passed before any (dynamic) libraries to have effect on them. + // On Solaris-like systems, `-z ignore` acts as both `--as-needed` and `--gc-sections` + // so it will ignore unreferenced ELF sections from relocatable objects. + // For that reason, we put this flag after metadata objects as they would otherwise be removed. + // FIXME: Support more fine-grained dead code removal on Solaris/illumos + // and move this option back to the top. + cmd.add_as_needed(); + + // FIXME: Move this below to other native libraries + // (or alternatively link all native libraries after their respective crates). + // This change is somewhat breaking in practice due to local static libraries being linked + // as whole-archive (#85144), so removing whole-archive may be a pre-requisite. + if sess.opts.debugging_opts.link_native_libraries { + add_local_native_libraries(cmd, sess, codegen_results); + } + + // Rust libraries. + add_upstream_rust_crates::<B>(cmd, sess, codegen_results, crate_type, tmpdir); + + // Native libraries linked with `#[link]` attributes at and `-l` command line options. + // If -Zlink-native-libraries=false is set, then the assumption is that an + // external build system already has the native dependencies defined, and it + // will provide them to the linker itself. + if sess.opts.debugging_opts.link_native_libraries { + add_upstream_native_libraries(cmd, sess, codegen_results, crate_type); + } + + // Library linking above uses some global state for things like `-Bstatic`/`-Bdynamic` to make + // command line shorter, reset it to default here before adding more libraries. + cmd.reset_per_library_state(); + + // FIXME: Built-in target specs occasionally use this for linking system libraries, + // eliminate all such uses by migrating them to `#[link]` attributes in `lib(std,c,unwind)` + // and remove the option. + add_late_link_args(cmd, sess, flavor, crate_type, codegen_results); + + // ------------ Arbitrary order-independent options ------------ + + // Add order-independent options determined by rustc from its compiler options, + // target properties and source code. + add_order_independent_options( + cmd, + sess, + link_output_kind, + crt_objects_fallback, + flavor, + crate_type, + codegen_results, + out_filename, + tmpdir, + ); + + // Can be used for arbitrary order-independent options. + // In practice may also be occasionally used for linking native libraries. + // Passed after compiler-generated options to support manual overriding when necessary. + add_user_defined_link_args(cmd, sess); + + // ------------ Object code and libraries, order-dependent ------------ + + // Post-link CRT objects. + add_post_link_objects(cmd, sess, link_output_kind, crt_objects_fallback); + + // ------------ Late order-dependent options ------------ + + // Doesn't really make sense. + // FIXME: In practice built-in target specs use this for arbitrary order-independent options, + // introduce a target spec option for order-independent linker options, migrate built-in specs + // to it and remove the option. + add_post_link_args(cmd, sess, flavor); + + cmd.take_cmd() +} + +fn add_order_independent_options( + cmd: &mut dyn Linker, + sess: &Session, + link_output_kind: LinkOutputKind, + crt_objects_fallback: bool, + flavor: LinkerFlavor, + crate_type: CrateType, + codegen_results: &CodegenResults, + out_filename: &Path, + tmpdir: &Path, +) { add_apple_sdk(cmd, sess, flavor); - // NO-OPT-OUT add_link_script(cmd, sess, tmpdir, crate_type); - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER if sess.target.is_like_fuchsia && crate_type == CrateType::Executable { let prefix = if sess.opts.debugging_opts.sanitizer.contains(SanitizerSet::ADDRESS) { "asan/" @@ -1633,30 +1907,17 @@ fn linker_with_args<'a, B: ArchiveBuilder<'a>>( cmd.arg(format!("--dynamic-linker={}ld.so.1", prefix)); } - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER if sess.target.eh_frame_header { cmd.add_eh_frame_header(); } - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER // Make the binary compatible with data execution prevention schemes. cmd.add_no_exec(); - // NO-OPT-OUT, OBJECT-FILES-NO - // Avoid linking to dynamic libraries unless they satisfy some undefined symbols - // at the point at which they are specified on the command line. - // Must be passed before any dynamic libraries. - cmd.add_as_needed(); - - // NO-OPT-OUT, OBJECT-FILES-NO if crt_objects_fallback { cmd.no_crt_objects(); } - // NO-OPT-OUT, OBJECT-FILES-YES - add_pre_link_objects(cmd, sess, link_output_kind, crt_objects_fallback); - - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER if sess.target.is_like_emscripten { cmd.arg("-s"); cmd.arg(if sess.panic_strategy() == PanicStrategy::Abort { @@ -1666,45 +1927,32 @@ fn linker_with_args<'a, B: ArchiveBuilder<'a>>( }); } - // OBJECT-FILES-YES, AUDIT-ORDER - link_sanitizers(sess, crate_type, cmd); + if flavor == LinkerFlavor::PtxLinker { + // Provide the linker with fallback to internal `target-cpu`. + cmd.arg("--fallback-arch"); + cmd.arg(&codegen_results.linker_info.target_cpu); + } else if flavor == LinkerFlavor::BpfLinker { + cmd.arg("--cpu"); + cmd.arg(&codegen_results.linker_info.target_cpu); + cmd.arg("--cpu-features"); + cmd.arg(match &sess.opts.cg.target_feature { + feat if !feat.is_empty() => feat, + _ => &sess.target.options.features, + }); + } - // OBJECT-FILES-NO, AUDIT-ORDER - // Linker plugins should be specified early in the list of arguments - // FIXME: How "early" exactly? cmd.linker_plugin_lto(); - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER - // FIXME: Order-dependent, at least relatively to other args adding searh directories. add_library_search_dirs(cmd, sess, crt_objects_fallback); - // OBJECT-FILES-YES - add_local_crate_regular_objects(cmd, codegen_results); - - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER cmd.output_filename(out_filename); - // OBJECT-FILES-NO, AUDIT-ORDER if crate_type == CrateType::Executable && sess.target.is_like_windows { - if let Some(ref s) = codegen_results.windows_subsystem { + if let Some(ref s) = codegen_results.crate_info.windows_subsystem { cmd.subsystem(s); } } - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER - // If we're building something like a dynamic library then some platforms - // need to make sure that all symbols are exported correctly from the - // dynamic library. - cmd.export_symbols(tmpdir, crate_type); - - // OBJECT-FILES-YES - add_local_crate_metadata_objects(cmd, crate_type, codegen_results); - - // OBJECT-FILES-YES - add_local_crate_allocator_objects(cmd, codegen_results); - - // OBJECT-FILES-NO, AUDIT-ORDER - // FIXME: Order dependent, applies to the following objects. Where should it be placed? // Try to strip as much out of the generated object by removing unused // sections if possible. See more comments in linker.rs if !sess.link_dead_code() { @@ -1712,65 +1960,31 @@ fn linker_with_args<'a, B: ArchiveBuilder<'a>>( cmd.gc_sections(keep_metadata); } - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER cmd.set_output_kind(link_output_kind, out_filename); - // OBJECT-FILES-NO, AUDIT-ORDER add_relro_args(cmd, sess); - // OBJECT-FILES-NO, AUDIT-ORDER // Pass optimization flags down to the linker. cmd.optimize(); - // OBJECT-FILES-NO, AUDIT-ORDER // Pass debuginfo and strip flags down to the linker. cmd.debuginfo(sess.opts.debugging_opts.strip); - // OBJECT-FILES-NO, AUDIT-ORDER // We want to prevent the compiler from accidentally leaking in any system libraries, // so by default we tell linkers not to link to any default libraries. if !sess.opts.cg.default_linker_libraries && sess.target.no_default_libraries { cmd.no_default_libraries(); } - // OBJECT-FILES-YES - link_local_crate_native_libs_and_dependent_crate_libs::<B>( - cmd, - sess, - crate_type, - codegen_results, - tmpdir, - ); - - // OBJECT-FILES-NO, AUDIT-ORDER if sess.opts.cg.profile_generate.enabled() || sess.instrument_coverage() { cmd.pgo_gen(); } - // OBJECT-FILES-NO, AUDIT-ORDER if sess.opts.cg.control_flow_guard != CFGuard::Disabled { cmd.control_flow_guard(); } - // OBJECT-FILES-NO, AUDIT-ORDER add_rpath_args(cmd, sess, codegen_results, out_filename); - - // OBJECT-FILES-MAYBE, CUSTOMIZATION-POINT - add_user_defined_link_args(cmd, sess); - - // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER - cmd.finalize(); - - // NO-OPT-OUT, OBJECT-FILES-MAYBE, CUSTOMIZATION-POINT - add_late_link_args(cmd, sess, flavor, crate_type, codegen_results); - - // NO-OPT-OUT, OBJECT-FILES-YES - add_post_link_objects(cmd, sess, link_output_kind, crt_objects_fallback); - - // NO-OPT-OUT, OBJECT-FILES-MAYBE, CUSTOMIZATION-POINT - add_post_link_args(cmd, sess, flavor); - - cmd.take_cmd() } /// # Native library linking @@ -1964,11 +2178,8 @@ fn add_upstream_rust_crates<'a, B: ArchiveBuilder<'a>>( } // Adds the static "rlib" versions of all crates to the command line. - // There's a bit of magic which happens here specifically related to LTO and - // dynamic libraries. Specifically: - // - // * For LTO, we remove upstream object files. - // * For dylibs we remove metadata and bytecode from upstream rlibs + // There's a bit of magic which happens here specifically related to LTO, + // namely that we remove upstream object files. // // When performing LTO, almost(*) all of the bytecode from the upstream // libraries has already been included in our object file output. As a @@ -1981,20 +2192,9 @@ fn add_upstream_rust_crates<'a, B: ArchiveBuilder<'a>>( // their bytecode wasn't included. The object files in those libraries must // still be passed to the linker. // - // When making a dynamic library, linkers by default don't include any - // object files in an archive if they're not necessary to resolve the link. - // We basically want to convert the archive (rlib) to a dylib, though, so we - // *do* want everything included in the output, regardless of whether the - // linker thinks it's needed or not. As a result we must use the - // --whole-archive option (or the platform equivalent). When using this - // option the linker will fail if there are non-objects in the archive (such - // as our own metadata and/or bytecode). All in all, for rlibs to be - // entirely included in dylibs, we need to remove all non-object files. - // - // Note, however, that if we're not doing LTO or we're not producing a dylib - // (aka we're making an executable), we can just pass the rlib blindly to - // the linker (fast) because it's fine if it's not actually included as - // we're at the end of the dependency chain. + // Note, however, that if we're not doing LTO we can just pass the rlib + // blindly to the linker (fast) because it's fine if it's not actually + // included as we're at the end of the dependency chain. fn add_static_crate<'a, B: ArchiveBuilder<'a>>( cmd: &mut dyn Linker, sess: &'a Session, @@ -2006,6 +2206,24 @@ fn add_upstream_rust_crates<'a, B: ArchiveBuilder<'a>>( let src = &codegen_results.crate_info.used_crate_source[&cnum]; let cratepath = &src.rlib.as_ref().unwrap().0; + let mut link_upstream = |path: &Path| { + // If we're creating a dylib, then we need to include the + // whole of each object in our archive into that artifact. This is + // because a `dylib` can be reused as an intermediate artifact. + // + // Note, though, that we don't want to include the whole of a + // compiler-builtins crate (e.g., compiler-rt) because it'll get + // repeatedly linked anyway. + let path = fix_windows_verbatim_for_gcc(path); + if crate_type == CrateType::Dylib + && codegen_results.crate_info.compiler_builtins != Some(cnum) + { + cmd.link_whole_rlib(&path); + } else { + cmd.link_rlib(&path); + } + }; + // See the comment above in `link_staticlib` and `link_rlib` for why if // there's a static library that's not relevant we skip all object // files. @@ -2017,10 +2235,9 @@ fn add_upstream_rust_crates<'a, B: ArchiveBuilder<'a>>( if (!are_upstream_rust_objects_already_included(sess) || ignored_for_lto(sess, &codegen_results.crate_info, cnum)) - && crate_type != CrateType::Dylib && !skip_native { - cmd.link_rlib(&fix_windows_verbatim_for_gcc(cratepath)); + link_upstream(cratepath); return; } @@ -2070,21 +2287,7 @@ fn add_upstream_rust_crates<'a, B: ArchiveBuilder<'a>>( return; } archive.build(); - - // If we're creating a dylib, then we need to include the - // whole of each object in our archive into that artifact. This is - // because a `dylib` can be reused as an intermediate artifact. - // - // Note, though, that we don't want to include the whole of a - // compiler-builtins crate (e.g., compiler-rt) because it'll get - // repeatedly linked anyway. - if crate_type == CrateType::Dylib - && codegen_results.crate_info.compiler_builtins != Some(cnum) - { - cmd.link_whole_rlib(&fix_windows_verbatim_for_gcc(&dst)); - } else { - cmd.link_rlib(&fix_windows_verbatim_for_gcc(&dst)); - } + link_upstream(&dst); }); } @@ -2178,10 +2381,7 @@ fn add_upstream_native_libraries( // already included them when we included the rust library // previously NativeLibKind::Static { bundle: None | Some(true), .. } => {} - NativeLibKind::RawDylib => { - // FIXME(#58713): Proper handling for raw dylibs. - bug!("raw_dylib feature not yet implemented"); - } + NativeLibKind::RawDylib => {} } } } diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index 4dc9a3f5e41..1d53e9ad8b3 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -37,7 +37,7 @@ pub fn disable_localization(linker: &mut Command) { /// need out of the shared crate context before we get rid of it. #[derive(Encodable, Decodable)] pub struct LinkerInfo { - target_cpu: String, + pub(super) target_cpu: String, exports: FxHashMap<CrateType, Vec<String>>, } @@ -81,8 +81,10 @@ impl LinkerInfo { Box::new(WasmLd::new(cmd, sess, self)) as Box<dyn Linker> } - LinkerFlavor::PtxLinker => { - Box::new(PtxLinker { cmd, sess, info: self }) as Box<dyn Linker> + LinkerFlavor::PtxLinker => Box::new(PtxLinker { cmd, sess }) as Box<dyn Linker>, + + LinkerFlavor::BpfLinker => { + Box::new(BpfLinker { cmd, sess, info: self }) as Box<dyn Linker> } } } @@ -128,7 +130,7 @@ pub trait Linker { fn add_eh_frame_header(&mut self) {} fn add_no_exec(&mut self) {} fn add_as_needed(&mut self) {} - fn finalize(&mut self); + fn reset_per_library_state(&mut self) {} } impl dyn Linker + '_ { @@ -472,7 +474,9 @@ impl<'a> Linker for GccLinker<'a> { // eliminate the metadata. If we're building an executable, however, // --gc-sections drops the size of hello world from 1.8MB to 597K, a 67% // reduction. - } else if self.sess.target.linker_is_gnu && !keep_metadata { + } else if (self.sess.target.linker_is_gnu || self.sess.target.is_like_wasm) + && !keep_metadata + { self.linker_arg("--gc-sections"); } } @@ -480,13 +484,13 @@ impl<'a> Linker for GccLinker<'a> { fn no_gc_sections(&mut self) { if self.sess.target.is_like_osx { self.linker_arg("-no_dead_strip"); - } else if self.sess.target.linker_is_gnu { + } else if self.sess.target.linker_is_gnu || self.sess.target.is_like_wasm { self.linker_arg("--no-gc-sections"); } } fn optimize(&mut self) { - if !self.sess.target.linker_is_gnu { + if !self.sess.target.linker_is_gnu && !self.sess.target.is_like_wasm { return; } @@ -647,7 +651,7 @@ impl<'a> Linker for GccLinker<'a> { self.linker_arg(&subsystem); } - fn finalize(&mut self) { + fn reset_per_library_state(&mut self) { self.hint_dynamic(); // Reset to default before returning the composed command line. } @@ -931,8 +935,6 @@ impl<'a> Linker for MsvcLinker<'a> { } } - fn finalize(&mut self) {} - // MSVC doesn't need group indicators fn group_start(&mut self) {} fn group_end(&mut self) {} @@ -1093,8 +1095,6 @@ impl<'a> Linker for EmLinker<'a> { // noop } - fn finalize(&mut self) {} - // Appears not necessary on Emscripten fn group_start(&mut self) {} fn group_end(&mut self) {} @@ -1275,8 +1275,6 @@ impl<'a> Linker for WasmLd<'a> { fn subsystem(&mut self, _subsystem: &str) {} - fn finalize(&mut self) {} - // Not needed for now with LLD fn group_start(&mut self) {} fn group_end(&mut self) {} @@ -1330,7 +1328,6 @@ fn exported_symbols(tcx: TyCtxt<'_>, crate_type: CrateType) -> Vec<String> { pub struct PtxLinker<'a> { cmd: Command, sess: &'a Session, - info: &'a LinkerInfo, } impl<'a> Linker for PtxLinker<'a> { @@ -1374,9 +1371,105 @@ impl<'a> Linker for PtxLinker<'a> { self.cmd.arg("-o").arg(path); } - fn finalize(&mut self) { - // Provide the linker with fallback to internal `target-cpu`. - self.cmd.arg("--fallback-arch").arg(&self.info.target_cpu); + fn link_dylib(&mut self, _lib: Symbol, _verbatim: bool, _as_needed: bool) { + panic!("external dylibs not supported") + } + + fn link_rust_dylib(&mut self, _lib: Symbol, _path: &Path) { + panic!("external dylibs not supported") + } + + fn link_staticlib(&mut self, _lib: Symbol, _verbatim: bool) { + panic!("staticlibs not supported") + } + + fn link_whole_staticlib(&mut self, _lib: Symbol, _verbatim: bool, _search_path: &[PathBuf]) { + panic!("staticlibs not supported") + } + + fn framework_path(&mut self, _path: &Path) { + panic!("frameworks not supported") + } + + fn link_framework(&mut self, _framework: Symbol, _as_needed: bool) { + panic!("frameworks not supported") + } + + fn full_relro(&mut self) {} + + fn partial_relro(&mut self) {} + + fn no_relro(&mut self) {} + + fn gc_sections(&mut self, _keep_metadata: bool) {} + + fn no_gc_sections(&mut self) {} + + fn pgo_gen(&mut self) {} + + fn no_crt_objects(&mut self) {} + + fn no_default_libraries(&mut self) {} + + fn control_flow_guard(&mut self) {} + + fn export_symbols(&mut self, _tmpdir: &Path, _crate_type: CrateType) {} + + fn subsystem(&mut self, _subsystem: &str) {} + + fn group_start(&mut self) {} + + fn group_end(&mut self) {} + + fn linker_plugin_lto(&mut self) {} +} + +pub struct BpfLinker<'a> { + cmd: Command, + sess: &'a Session, + info: &'a LinkerInfo, +} + +impl<'a> Linker for BpfLinker<'a> { + fn cmd(&mut self) -> &mut Command { + &mut self.cmd + } + + fn set_output_kind(&mut self, _output_kind: LinkOutputKind, _out_filename: &Path) {} + + fn link_rlib(&mut self, path: &Path) { + self.cmd.arg(path); + } + + fn link_whole_rlib(&mut self, path: &Path) { + self.cmd.arg(path); + } + + fn include_path(&mut self, path: &Path) { + self.cmd.arg("-L").arg(path); + } + + fn debuginfo(&mut self, _strip: Strip) { + self.cmd.arg("--debug"); + } + + fn add_object(&mut self, path: &Path) { + self.cmd.arg(path); + } + + fn optimize(&mut self) { + self.cmd.arg(match self.sess.opts.optimize { + OptLevel::No => "-O0", + OptLevel::Less => "-O1", + OptLevel::Default => "-O2", + OptLevel::Aggressive => "-O3", + OptLevel::Size => "-Os", + OptLevel::SizeMin => "-Oz", + }); + } + + fn output_filename(&mut self, path: &Path) { + self.cmd.arg("-o").arg(path); } fn link_dylib(&mut self, _lib: Symbol, _verbatim: bool, _as_needed: bool) { @@ -1421,7 +1514,20 @@ impl<'a> Linker for PtxLinker<'a> { fn control_flow_guard(&mut self) {} - fn export_symbols(&mut self, _tmpdir: &Path, _crate_type: CrateType) {} + fn export_symbols(&mut self, tmpdir: &Path, crate_type: CrateType) { + let path = tmpdir.join("symbols"); + let res: io::Result<()> = try { + let mut f = BufWriter::new(File::create(&path)?); + for sym in self.info.exports[&crate_type].iter() { + writeln!(f, "{}", sym)?; + } + }; + if let Err(e) = res { + self.sess.fatal(&format!("failed to write symbols file: {}", e)); + } else { + self.cmd.arg("--export-symbols").arg(&path); + } + } fn subsystem(&mut self, _subsystem: &str) {} diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs index 37d1f8ecc83..0fff3195808 100644 --- a/compiler/rustc_codegen_ssa/src/back/metadata.rs +++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs @@ -3,6 +3,7 @@ use std::fs::File; use std::path::Path; +use object::{Object, ObjectSection}; use rustc_data_structures::memmap::Mmap; use rustc_data_structures::owning_ref::OwningRef; use rustc_data_structures::rustc_erase_owner; @@ -46,7 +47,10 @@ impl MetadataLoader for DefaultMetadataLoader { let entry = entry_result .map_err(|e| format!("failed to parse rlib '{}': {}", path.display(), e))?; if entry.name() == METADATA_FILENAME.as_bytes() { - return Ok(entry.data()); + let data = entry + .data(data) + .map_err(|e| format!("failed to parse rlib '{}': {}", path.display(), e))?; + return search_for_metadata(path, data, ".rmeta"); } } @@ -55,17 +59,27 @@ impl MetadataLoader for DefaultMetadataLoader { } fn get_dylib_metadata(&self, _target: &Target, path: &Path) -> Result<MetadataRef, String> { - use object::{Object, ObjectSection}; - - load_metadata_with(path, |data| { - let file = object::File::parse(&data) - .map_err(|e| format!("failed to parse dylib '{}': {}", path.display(), e))?; - file.section_by_name(".rustc") - .ok_or_else(|| format!("no .rustc section in '{}'", path.display()))? - .data() - .map_err(|e| { - format!("failed to read .rustc section in '{}': {}", path.display(), e) - }) - }) + load_metadata_with(path, |data| search_for_metadata(path, data, ".rustc")) } } + +fn search_for_metadata<'a>( + path: &Path, + bytes: &'a [u8], + section: &str, +) -> Result<&'a [u8], String> { + let file = match object::File::parse(bytes) { + Ok(f) => f, + // The parse above could fail for odd reasons like corruption, but for + // now we just interpret it as this target doesn't support metadata + // emission in object files so the entire byte slice itself is probably + // a metadata file. Ideally though if necessary we could at least check + // the prefix of bytes to see if it's an actual metadata object and if + // not forward the error along here. + Err(_) => return Ok(bytes), + }; + file.section_by_name(section) + .ok_or_else(|| format!("no `{}` section in '{}'", section, path.display()))? + .data() + .map_err(|e| format!("failed to read {} section in '{}': {}", section, path.display(), e)) +} diff --git a/compiler/rustc_codegen_ssa/src/back/rpath.rs b/compiler/rustc_codegen_ssa/src/back/rpath.rs index 5f21046b05e..39b0ccd120d 100644 --- a/compiler/rustc_codegen_ssa/src/back/rpath.rs +++ b/compiler/rustc_codegen_ssa/src/back/rpath.rs @@ -13,7 +13,6 @@ pub struct RPathConfig<'a> { pub is_like_osx: bool, pub has_rpath: bool, pub linker_is_gnu: bool, - pub get_install_prefix_lib_path: &'a mut dyn FnMut() -> PathBuf, } pub fn get_rpath_flags(config: &mut RPathConfig<'_>) -> Vec<String> { @@ -63,24 +62,13 @@ fn get_rpaths(config: &mut RPathConfig<'_>, libs: &[PathBuf]) -> Vec<String> { // Use relative paths to the libraries. Binaries can be moved // as long as they maintain the relative relationship to the // crates they depend on. - let rel_rpaths = get_rpaths_relative_to_output(config, libs); + let rpaths = get_rpaths_relative_to_output(config, libs); - // And a final backup rpath to the global library location. - let fallback_rpaths = vec![get_install_prefix_rpath(config)]; - - fn log_rpaths(desc: &str, rpaths: &[String]) { - debug!("{} rpaths:", desc); - for rpath in rpaths { - debug!(" {}", *rpath); - } + debug!("rpaths:"); + for rpath in &rpaths { + debug!(" {}", rpath); } - log_rpaths("relative", &rel_rpaths); - log_rpaths("fallback", &fallback_rpaths); - - let mut rpaths = rel_rpaths; - rpaths.extend_from_slice(&fallback_rpaths); - // Remove duplicates minimize_rpaths(&rpaths) } @@ -113,13 +101,6 @@ fn path_relative_from(path: &Path, base: &Path) -> Option<PathBuf> { diff_paths(path, base) } -fn get_install_prefix_rpath(config: &mut RPathConfig<'_>) -> String { - let path = (config.get_install_prefix_lib_path)(); - let path = env::current_dir().unwrap().join(&path); - // FIXME (#9639): This needs to handle non-utf8 paths - path.to_str().expect("non-utf8 component in rpath").to_owned() -} - fn minimize_rpaths(rpaths: &[String]) -> Vec<String> { let mut set = FxHashSet::default(); let mut minimized = Vec::new(); diff --git a/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs b/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs index 35836ae719b..24c362db122 100644 --- a/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs +++ b/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs @@ -40,7 +40,6 @@ fn test_rpath_relative() { is_like_osx: true, linker_is_gnu: false, out_filename: PathBuf::from("bin/rustc"), - get_install_prefix_lib_path: &mut || panic!(), }; let res = get_rpath_relative_to_output(config, Path::new("lib/libstd.so")); assert_eq!(res, "@loader_path/../lib"); @@ -48,7 +47,6 @@ fn test_rpath_relative() { let config = &mut RPathConfig { used_crates: &[], out_filename: PathBuf::from("bin/rustc"), - get_install_prefix_lib_path: &mut || panic!(), has_rpath: true, is_like_osx: false, linker_is_gnu: true, diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 14d6f0ba147..b2ecc3b0f32 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -370,7 +370,6 @@ pub fn provide(providers: &mut Providers) { pub fn provide_extern(providers: &mut Providers) { providers.is_reachable_non_generic = is_reachable_non_generic_provider_extern; providers.upstream_monomorphizations_for = upstream_monomorphizations_for_provider; - providers.wasm_import_module_map = wasm_import_module_map; } fn symbol_export_level(tcx: TyCtxt<'_>, sym_def_id: DefId) -> SymbolExportLevel { diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 49774dc6d5c..ff4e6409571 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -31,7 +31,7 @@ use rustc_session::config::{self, CrateType, Lto, OutputFilenames, OutputType}; use rustc_session::config::{Passes, SwitchWithOptPath}; use rustc_session::Session; use rustc_span::source_map::SourceMap; -use rustc_span::symbol::{sym, Symbol}; +use rustc_span::symbol::sym; use rustc_span::{BytePos, FileName, InnerSpan, Pos, Span}; use rustc_target::spec::{MergeFunctions, PanicStrategy, SanitizerSet}; @@ -426,21 +426,9 @@ pub fn start_async_codegen<B: ExtraBackendMethods>( let (coordinator_send, coordinator_receive) = channel(); let sess = tcx.sess; - let crate_name = tcx.crate_name(LOCAL_CRATE); let crate_attrs = tcx.hir().attrs(rustc_hir::CRATE_HIR_ID); let no_builtins = tcx.sess.contains_name(crate_attrs, sym::no_builtins); let is_compiler_builtins = tcx.sess.contains_name(crate_attrs, sym::compiler_builtins); - let subsystem = tcx.sess.first_attr_value_str_by_name(crate_attrs, sym::windows_subsystem); - let windows_subsystem = subsystem.map(|subsystem| { - if subsystem != sym::windows && subsystem != sym::console { - tcx.sess.fatal(&format!( - "invalid windows subsystem `{}`, only \ - `windows` and `console` are allowed", - subsystem - )); - } - subsystem.to_string() - }); let linker_info = LinkerInfo::new(tcx, target_cpu); let crate_info = CrateInfo::new(tcx); @@ -472,9 +460,7 @@ pub fn start_async_codegen<B: ExtraBackendMethods>( OngoingCodegen { backend, - crate_name, metadata, - windows_subsystem, linker_info, crate_info, @@ -1812,9 +1798,7 @@ impl SharedEmitterMain { pub struct OngoingCodegen<B: ExtraBackendMethods> { pub backend: B, - pub crate_name: Symbol, pub metadata: EncodedMetadata, - pub windows_subsystem: Option<String>, pub linker_info: LinkerInfo, pub crate_info: CrateInfo, pub coordinator_send: Sender<Box<dyn Any + Send>>, @@ -1857,9 +1841,7 @@ impl<B: ExtraBackendMethods> OngoingCodegen<B> { ( CodegenResults { - crate_name: self.crate_name, metadata: self.metadata, - windows_subsystem: self.windows_subsystem, linker_info: self.linker_info, crate_info: self.crate_info, diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index b44e74d5ae8..38ab39febe0 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -30,6 +30,7 @@ use rustc_middle::ty::{self, Instance, Ty, TyCtxt}; use rustc_session::cgu_reuse_tracker::CguReuse; use rustc_session::config::{self, EntryFnType}; use rustc_session::Session; +use rustc_span::symbol::sym; use rustc_target::abi::{Align, LayoutOf, VariantIdx}; use std::ops::{Deref, DerefMut}; @@ -755,7 +756,22 @@ impl<B: ExtraBackendMethods> Drop for AbortCodegenOnDrop<B> { impl CrateInfo { pub fn new(tcx: TyCtxt<'_>) -> CrateInfo { + let local_crate_name = tcx.crate_name(LOCAL_CRATE); + let crate_attrs = tcx.hir().attrs(rustc_hir::CRATE_HIR_ID); + let subsystem = tcx.sess.first_attr_value_str_by_name(crate_attrs, sym::windows_subsystem); + let windows_subsystem = subsystem.map(|subsystem| { + if subsystem != sym::windows && subsystem != sym::console { + tcx.sess.fatal(&format!( + "invalid windows subsystem `{}`, only \ + `windows` and `console` are allowed", + subsystem + )); + } + subsystem.to_string() + }); + let mut info = CrateInfo { + local_crate_name, panic_runtime: None, compiler_builtins: None, profiler_runtime: None, @@ -769,6 +785,7 @@ impl CrateInfo { lang_item_to_crate: Default::default(), missing_lang_items: Default::default(), dependency_formats: tcx.dependency_formats(()), + windows_subsystem, }; let lang_items = tcx.lang_items(); diff --git a/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs b/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs index 08442c588f8..c1dfe1ef856 100644 --- a/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs +++ b/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs @@ -28,6 +28,7 @@ pub struct Expression { /// only whitespace or comments). According to LLVM Code Coverage Mapping documentation, "A count /// for a gap area is only used as the line execution count if there are no other regions on a /// line." +#[derive(Debug)] pub struct FunctionCoverage<'tcx> { instance: Instance<'tcx>, source_hash: u64, @@ -113,6 +114,14 @@ impl<'tcx> FunctionCoverage<'tcx> { expression_id, lhs, op, rhs, region ); let expression_index = self.expression_index(u32::from(expression_id)); + debug_assert!( + expression_index.as_usize() < self.expressions.len(), + "expression_index {} is out of range for expressions.len() = {} + for {:?}", + expression_index.as_usize(), + self.expressions.len(), + self, + ); if let Some(previous_expression) = self.expressions[expression_index].replace(Expression { lhs, op, diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs index d1bbf74307c..7b4b0821c4b 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs @@ -3,7 +3,8 @@ use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::def_id::DefId; -use rustc_middle::ty::{self, subst::SubstsRef, Ty, TyCtxt}; +use rustc_middle::ty::{self, subst::SubstsRef, AdtDef, Ty, TyCtxt}; +use rustc_target::abi::{TagEncoding, Variants}; use std::fmt::Write; @@ -45,8 +46,12 @@ pub fn push_debuginfo_type_name<'tcx>( ty::Float(float_ty) => output.push_str(float_ty.name_str()), ty::Foreign(def_id) => push_item_name(tcx, def_id, qualified, output), ty::Adt(def, substs) => { - push_item_name(tcx, def.did, qualified, output); - push_type_params(tcx, substs, output, visited); + if def.is_enum() && cpp_like_names { + msvc_enum_fallback(tcx, t, def, substs, output, visited); + } else { + push_item_name(tcx, def.did, qualified, output); + push_type_params(tcx, substs, output, visited); + } } ty::Tuple(component_types) => { if cpp_like_names { @@ -233,6 +238,54 @@ pub fn push_debuginfo_type_name<'tcx>( } } + /// MSVC names enums differently than other platforms so that the debugging visualization + // format (natvis) is able to understand enums and render the active variant correctly in the + // debugger. For more information, look in `src/etc/natvis/intrinsic.natvis` and + // `EnumMemberDescriptionFactor::create_member_descriptions`. + fn msvc_enum_fallback( + tcx: TyCtxt<'tcx>, + ty: Ty<'tcx>, + def: &AdtDef, + substs: SubstsRef<'tcx>, + output: &mut String, + visited: &mut FxHashSet<Ty<'tcx>>, + ) { + let layout = tcx.layout_of(tcx.param_env(def.did).and(ty)).expect("layout error"); + + if let Variants::Multiple { + tag_encoding: TagEncoding::Niche { dataful_variant, .. }, + tag, + variants, + .. + } = &layout.variants + { + let dataful_variant_layout = &variants[*dataful_variant]; + + // calculate the range of values for the dataful variant + let dataful_discriminant_range = + &dataful_variant_layout.largest_niche.as_ref().unwrap().scalar.valid_range; + + let min = dataful_discriminant_range.start(); + let min = tag.value.size(&tcx).truncate(*min); + + let max = dataful_discriminant_range.end(); + let max = tag.value.size(&tcx).truncate(*max); + + output.push_str("enum$<"); + push_item_name(tcx, def.did, true, output); + push_type_params(tcx, substs, output, visited); + + let dataful_variant_name = def.variants[*dataful_variant].ident.as_str(); + + output.push_str(&format!(", {}, {}, {}>", min, max, dataful_variant_name)); + } else { + output.push_str("enum$<"); + push_item_name(tcx, def.did, true, output); + push_type_params(tcx, substs, output, visited); + output.push('>'); + } + } + fn push_item_name(tcx: TyCtxt<'tcx>, def_id: DefId, qualified: bool, output: &mut String) { if qualified { output.push_str(&tcx.crate_name(def_id.krate).as_str()); diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 6c4bb021cb3..b6de12fa35e 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -1,15 +1,11 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![feature(assert_matches)] #![feature(bool_to_option)] #![feature(box_patterns)] -#![feature(drain_filter)] #![feature(try_blocks)] #![feature(in_band_lifetimes)] #![feature(nll)] #![feature(associated_type_bounds)] -#![feature(iter_zip)] #![recursion_limit = "256"] -#![feature(box_syntax)] //! This crate contains codegen code that is used by all codegen backends (LLVM and others). //! The backend-agnostic functions of this crate use functions defined in various traits that @@ -114,11 +110,18 @@ pub struct NativeLib { pub name: Option<Symbol>, pub cfg: Option<ast::MetaItem>, pub verbatim: Option<bool>, + pub dll_imports: Vec<cstore::DllImport>, } impl From<&cstore::NativeLib> for NativeLib { fn from(lib: &cstore::NativeLib) -> Self { - NativeLib { kind: lib.kind, name: lib.name, cfg: lib.cfg.clone(), verbatim: lib.verbatim } + NativeLib { + kind: lib.kind, + name: lib.name, + cfg: lib.cfg.clone(), + verbatim: lib.verbatim, + dll_imports: lib.dll_imports.clone(), + } } } @@ -132,6 +135,7 @@ impl From<&cstore::NativeLib> for NativeLib { /// and the corresponding properties without referencing information outside of a `CrateInfo`. #[derive(Debug, Encodable, Decodable)] pub struct CrateInfo { + pub local_crate_name: Symbol, pub panic_runtime: Option<CrateNum>, pub compiler_builtins: Option<CrateNum>, pub profiler_runtime: Option<CrateNum>, @@ -145,16 +149,15 @@ pub struct CrateInfo { pub lang_item_to_crate: FxHashMap<LangItem, CrateNum>, pub missing_lang_items: FxHashMap<CrateNum, Vec<LangItem>>, pub dependency_formats: Lrc<Dependencies>, + pub windows_subsystem: Option<String>, } #[derive(Encodable, Decodable)] pub struct CodegenResults { - pub crate_name: Symbol, pub modules: Vec<CompiledModule>, pub allocator_module: Option<CompiledModule>, pub metadata_module: Option<CompiledModule>, pub metadata: rustc_middle::middle::cstore::EncodedMetadata, - pub windows_subsystem: Option<String>, pub linker_info: back::linker::LinkerInfo, pub crate_info: CrateInfo, } diff --git a/compiler/rustc_codegen_ssa/src/mir/analyze.rs b/compiler/rustc_codegen_ssa/src/mir/analyze.rs index 38e928145a8..8a22a74f97c 100644 --- a/compiler/rustc_codegen_ssa/src/mir/analyze.rs +++ b/compiler/rustc_codegen_ssa/src/mir/analyze.rs @@ -7,11 +7,8 @@ use rustc_data_structures::graph::dominators::Dominators; use rustc_index::bit_set::BitSet; use rustc_index::vec::{Idx, IndexVec}; use rustc_middle::mir::traversal; -use rustc_middle::mir::visit::{ - MutatingUseContext, NonMutatingUseContext, NonUseContext, PlaceContext, Visitor, -}; +use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::{self, Location, TerminatorKind}; -use rustc_middle::ty; use rustc_middle::ty::layout::HasTyCtxt; use rustc_target::abi::LayoutOf; @@ -21,7 +18,9 @@ pub fn non_ssa_locals<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( let mir = fx.mir; let mut analyzer = LocalAnalyzer::new(fx); - analyzer.visit_body(&mir); + for (bb, data) in mir.basic_blocks().iter_enumerated() { + analyzer.visit_basic_block_data(bb, data); + } for (local, decl) in mir.local_decls.iter_enumerated() { let ty = fx.monomorphize(decl.ty); @@ -142,36 +141,7 @@ impl<Bx: BuilderMethods<'a, 'tcx>> LocalAnalyzer<'mir, 'a, 'tcx, Bx> { if let mir::ProjectionElem::Deref = elem { // Deref projections typically only read the pointer. - // (the exception being `VarDebugInfo` contexts, handled below) base_context = PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy); - - // Indirect debuginfo requires going through memory, that only - // the debugger accesses, following our emitted DWARF pointer ops. - // - // FIXME(eddyb) Investigate the possibility of relaxing this, but - // note that `llvm.dbg.declare` *must* be used for indirect places, - // even if we start using `llvm.dbg.value` for all other cases, - // as we don't necessarily know when the value changes, but only - // where it lives in memory. - // - // It's possible `llvm.dbg.declare` could support starting from - // a pointer that doesn't point to an `alloca`, but this would - // only be useful if we know the pointer being `Deref`'d comes - // from an immutable place, and if `llvm.dbg.declare` calls - // must be at the very start of the function, then only function - // arguments could contain such pointers. - if context == PlaceContext::NonUse(NonUseContext::VarDebugInfo) { - // We use `NonUseContext::VarDebugInfo` for the base, - // which might not force the base local to memory, - // so we have to do it manually. - self.visit_local(&place_ref.local, context, location); - } - } - - // `NonUseContext::VarDebugInfo` needs to flow all the - // way down to the base local (see `visit_local`). - if context == PlaceContext::NonUse(NonUseContext::VarDebugInfo) { - base_context = context; } self.process_place(&place_base, base_context, location); @@ -186,20 +156,7 @@ impl<Bx: BuilderMethods<'a, 'tcx>> LocalAnalyzer<'mir, 'a, 'tcx, Bx> { ); } } else { - // FIXME this is super_place code, is repeated here to avoid cloning place or changing - // visit_place API - let mut context = context; - - if !place_ref.projection.is_empty() { - context = if context.is_mutating_use() { - PlaceContext::MutatingUse(MutatingUseContext::Projection) - } else { - PlaceContext::NonMutatingUse(NonMutatingUseContext::Projection) - }; - } - self.visit_local(&place_ref.local, context, location); - self.visit_projection(*place_ref, context, location); } } } @@ -228,34 +185,6 @@ impl<'mir, 'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> Visitor<'tcx> self.visit_rvalue(rvalue, location); } - fn visit_terminator(&mut self, terminator: &mir::Terminator<'tcx>, location: Location) { - let check = match terminator.kind { - mir::TerminatorKind::Call { func: mir::Operand::Constant(ref c), ref args, .. } => { - match *c.ty().kind() { - ty::FnDef(did, _) => Some((did, args)), - _ => None, - } - } - _ => None, - }; - if let Some((def_id, args)) = check { - if Some(def_id) == self.fx.cx.tcx().lang_items().box_free_fn() { - // box_free(x) shares with `drop x` the property that it - // is not guaranteed to be statically dominated by the - // definition of x, so x must always be in an alloca. - if let mir::Operand::Move(ref place) = args[0] { - self.visit_place( - place, - PlaceContext::MutatingUse(MutatingUseContext::Drop), - location, - ); - } - } - } - - self.super_terminator(terminator, location); - } - fn visit_place(&mut self, place: &mir::Place<'tcx>, context: PlaceContext, location: Location) { debug!("visit_place(place={:?}, context={:?})", place, context); self.process_place(&place.as_ref(), context, location); diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index 98d550d732f..b10de567744 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -210,6 +210,8 @@ const WASM_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[ ("nontrapping-fptoint", Some(sym::wasm_target_feature)), ]; +const BPF_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[("alu32", Some(sym::bpf_target_feature))]; + /// When rustdoc is running, provide a list of all known features so that all their respective /// primitives may be documented. /// @@ -224,6 +226,7 @@ pub fn all_known_features() -> impl Iterator<Item = (&'static str, Option<Symbol .chain(MIPS_ALLOWED_FEATURES.iter()) .chain(RISCV_ALLOWED_FEATURES.iter()) .chain(WASM_ALLOWED_FEATURES.iter()) + .chain(BPF_ALLOWED_FEATURES.iter()) .cloned() } @@ -237,6 +240,7 @@ pub fn supported_target_features(sess: &Session) -> &'static [(&'static str, Opt "powerpc" | "powerpc64" => POWERPC_ALLOWED_FEATURES, "riscv32" | "riscv64" => RISCV_ALLOWED_FEATURES, "wasm32" | "wasm64" => WASM_ALLOWED_FEATURES, + "bpf" => BPF_ALLOWED_FEATURES, _ => &[], } } diff --git a/compiler/rustc_codegen_ssa/src/traits/backend.rs b/compiler/rustc_codegen_ssa/src/traits/backend.rs index f28db2fe84b..dc4146ec7b5 100644 --- a/compiler/rustc_codegen_ssa/src/traits/backend.rs +++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs @@ -63,9 +63,16 @@ pub trait CodegenBackend { None } - fn metadata_loader(&self) -> Box<MetadataLoaderDyn>; - fn provide(&self, _providers: &mut Providers); - fn provide_extern(&self, _providers: &mut Providers); + /// The metadata loader used to load rlib and dylib metadata. + /// + /// Alternative codegen backends may want to use different rlib or dylib formats than the + /// default native static archives and dynamic libraries. + fn metadata_loader(&self) -> Box<MetadataLoaderDyn> { + Box::new(crate::back::metadata::DefaultMetadataLoader) + } + + fn provide(&self, _providers: &mut Providers) {} + fn provide_extern(&self, _providers: &mut Providers) {} fn codegen_crate<'tcx>( &self, tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs index adbb98fa750..bbfe225e23e 100644 --- a/compiler/rustc_data_structures/src/lib.rs +++ b/compiler/rustc_data_structures/src/lib.rs @@ -10,15 +10,12 @@ #![feature(array_windows)] #![feature(control_flow_enum)] #![feature(in_band_lifetimes)] -#![feature(unboxed_closures)] #![feature(generator_trait)] -#![feature(fn_traits)] #![feature(min_specialization)] #![feature(auto_traits)] #![feature(nll)] #![feature(allow_internal_unstable)] #![feature(hash_raw_entry)] -#![feature(stmt_expr_attributes)] #![feature(core_intrinsics)] #![feature(test)] #![feature(associated_type_bounds)] @@ -99,6 +96,7 @@ pub mod thin_vec; pub mod tiny_list; pub mod transitive_relation; pub mod vec_linked_list; +pub mod vec_map; pub mod work_queue; pub use atomic_ref::AtomicRef; pub mod frozen; diff --git a/compiler/rustc_data_structures/src/obligation_forest/mod.rs b/compiler/rustc_data_structures/src/obligation_forest/mod.rs index 29d685ab530..05b1a85381f 100644 --- a/compiler/rustc_data_structures/src/obligation_forest/mod.rs +++ b/compiler/rustc_data_structures/src/obligation_forest/mod.rs @@ -342,7 +342,7 @@ impl<O: ForestObligation> ObligationForest<O> { return Ok(()); } - match self.active_cache.entry(cache_key.clone()) { + match self.active_cache.entry(cache_key) { Entry::Occupied(o) => { let node = &mut self.nodes[*o.get()]; if let Some(parent_index) = parent { @@ -366,8 +366,7 @@ impl<O: ForestObligation> ObligationForest<O> { && self .error_cache .get(&obligation_tree_id) - .map(|errors| errors.contains(&cache_key)) - .unwrap_or(false); + .map_or(false, |errors| errors.contains(v.key())); if already_failed { Err(()) @@ -597,7 +596,7 @@ impl<O: ForestObligation> ObligationForest<O> { Some(rpos) => { // Cycle detected. processor.process_backedge( - stack[rpos..].iter().map(GetObligation(&self.nodes)), + stack[rpos..].iter().map(|&i| &self.nodes[i].obligation), PhantomData, ); } @@ -705,20 +704,3 @@ impl<O: ForestObligation> ObligationForest<O> { }); } } - -// I need a Clone closure. -#[derive(Clone)] -struct GetObligation<'a, O>(&'a [Node<O>]); - -impl<'a, 'b, O> FnOnce<(&'b usize,)> for GetObligation<'a, O> { - type Output = &'a O; - extern "rust-call" fn call_once(self, args: (&'b usize,)) -> &'a O { - &self.0[*args.0].obligation - } -} - -impl<'a, 'b, O> FnMut<(&'b usize,)> for GetObligation<'a, O> { - extern "rust-call" fn call_mut(&mut self, args: (&'b usize,)) -> &'a O { - &self.0[*args.0].obligation - } -} diff --git a/compiler/rustc_data_structures/src/stable_hasher.rs b/compiler/rustc_data_structures/src/stable_hasher.rs index ff28784a1dc..18b352cf3b0 100644 --- a/compiler/rustc_data_structures/src/stable_hasher.rs +++ b/compiler/rustc_data_structures/src/stable_hasher.rs @@ -550,35 +550,3 @@ pub fn hash_stable_hashmap<HCX, K, V, R, SK, F>( entries.sort_unstable_by(|&(ref sk1, _), &(ref sk2, _)| sk1.cmp(sk2)); entries.hash_stable(hcx, hasher); } - -/// A vector container that makes sure that its items are hashed in a stable -/// order. -#[derive(Debug)] -pub struct StableVec<T>(Vec<T>); - -impl<T> StableVec<T> { - pub fn new(v: Vec<T>) -> Self { - StableVec(v) - } -} - -impl<T> ::std::ops::Deref for StableVec<T> { - type Target = Vec<T>; - - fn deref(&self) -> &Vec<T> { - &self.0 - } -} - -impl<T, HCX> HashStable<HCX> for StableVec<T> -where - T: HashStable<HCX> + ToStableHashKey<HCX>, -{ - fn hash_stable(&self, hcx: &mut HCX, hasher: &mut StableHasher) { - let StableVec(ref v) = *self; - - let mut sorted: Vec<_> = v.iter().map(|x| x.to_stable_hash_key(hcx)).collect(); - sorted.sort_unstable(); - sorted.hash_stable(hcx, hasher); - } -} diff --git a/compiler/rustc_data_structures/src/sync.rs b/compiler/rustc_data_structures/src/sync.rs index 26706cd2b1b..722ce6b6367 100644 --- a/compiler/rustc_data_structures/src/sync.rs +++ b/compiler/rustc_data_structures/src/sync.rs @@ -43,49 +43,9 @@ cfg_if! { use std::ops::Add; use std::panic::{resume_unwind, catch_unwind, AssertUnwindSafe}; - /// This is a single threaded variant of AtomicCell provided by crossbeam. - /// Unlike `Atomic` this is intended for all `Copy` types, - /// but it lacks the explicit ordering arguments. - #[derive(Debug)] - pub struct AtomicCell<T: Copy>(Cell<T>); - - impl<T: Copy> AtomicCell<T> { - #[inline] - pub fn new(v: T) -> Self { - AtomicCell(Cell::new(v)) - } - - #[inline] - pub fn get_mut(&mut self) -> &mut T { - self.0.get_mut() - } - } - - impl<T: Copy> AtomicCell<T> { - #[inline] - pub fn into_inner(self) -> T { - self.0.into_inner() - } - - #[inline] - pub fn load(&self) -> T { - self.0.get() - } - - #[inline] - pub fn store(&self, val: T) { - self.0.set(val) - } - - #[inline] - pub fn swap(&self, val: T) -> T { - self.0.replace(val) - } - } - /// This is a single threaded variant of `AtomicU64`, `AtomicUsize`, etc. - /// It differs from `AtomicCell` in that it has explicit ordering arguments - /// and is only intended for use with the native atomic types. + /// It has explicit ordering arguments and is only intended for use with + /// the native atomic types. /// You should use this type through the `AtomicU64`, `AtomicUsize`, etc, type aliases /// as it's not intended to be used separately. #[derive(Debug)] @@ -159,22 +119,6 @@ cfg_if! { (oper_a(), oper_b()) } - pub struct SerialScope; - - impl SerialScope { - pub fn spawn<F>(&self, f: F) - where F: FnOnce(&SerialScope) - { - f(self) - } - } - - pub fn scope<F, R>(f: F) -> R - where F: FnOnce(&SerialScope) -> R - { - f(&SerialScope) - } - #[macro_export] macro_rules! parallel { ($($blocks:tt),*) => { @@ -318,8 +262,6 @@ cfg_if! { pub use std::sync::atomic::{AtomicBool, AtomicUsize, AtomicU32, AtomicU64}; - pub use crossbeam_utils::atomic::AtomicCell; - pub use std::sync::Arc as Lrc; pub use std::sync::Weak as Weak; diff --git a/compiler/rustc_data_structures/src/tagged_ptr.rs b/compiler/rustc_data_structures/src/tagged_ptr.rs index cd1e12ca450..324a8624dd0 100644 --- a/compiler/rustc_data_structures/src/tagged_ptr.rs +++ b/compiler/rustc_data_structures/src/tagged_ptr.rs @@ -90,9 +90,11 @@ pub unsafe trait Tag: Copy { unsafe impl<T> Pointer for Box<T> { const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; + #[inline] fn into_usize(self) -> usize { Box::into_raw(self) as usize } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { Box::from_raw(ptr as *mut T) } @@ -104,9 +106,11 @@ unsafe impl<T> Pointer for Box<T> { unsafe impl<T> Pointer for Rc<T> { const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; + #[inline] fn into_usize(self) -> usize { Rc::into_raw(self) as usize } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { Rc::from_raw(ptr as *const T) } @@ -118,9 +122,11 @@ unsafe impl<T> Pointer for Rc<T> { unsafe impl<T> Pointer for Arc<T> { const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; + #[inline] fn into_usize(self) -> usize { Arc::into_raw(self) as usize } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { Arc::from_raw(ptr as *const T) } @@ -132,9 +138,11 @@ unsafe impl<T> Pointer for Arc<T> { unsafe impl<'a, T: 'a> Pointer for &'a T { const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; + #[inline] fn into_usize(self) -> usize { self as *const T as usize } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { &*(ptr as *const T) } @@ -145,9 +153,11 @@ unsafe impl<'a, T: 'a> Pointer for &'a T { unsafe impl<'a, T: 'a> Pointer for &'a mut T { const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; + #[inline] fn into_usize(self) -> usize { self as *mut T as usize } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { &mut *(ptr as *mut T) } diff --git a/compiler/rustc_data_structures/src/vec_map.rs b/compiler/rustc_data_structures/src/vec_map.rs new file mode 100644 index 00000000000..73b04d3329c --- /dev/null +++ b/compiler/rustc_data_structures/src/vec_map.rs @@ -0,0 +1,155 @@ +use std::borrow::Borrow; +use std::iter::FromIterator; +use std::slice::{Iter, IterMut}; +use std::vec::IntoIter; + +use crate::stable_hasher::{HashStable, StableHasher}; + +/// A map type implemented as a vector of pairs `K` (key) and `V` (value). +/// It currently provides a subset of all the map operations, the rest could be added as needed. +#[derive(Clone, Encodable, Decodable, Debug)] +pub struct VecMap<K, V>(Vec<(K, V)>); + +impl<K, V> VecMap<K, V> +where + K: PartialEq, +{ + pub fn new() -> Self { + VecMap(Default::default()) + } + + /// Sets the value of the entry, and returns the entry's old value. + pub fn insert(&mut self, k: K, v: V) -> Option<V> { + if let Some(elem) = self.0.iter_mut().find(|(key, _)| *key == k) { + Some(std::mem::replace(&mut elem.1, v)) + } else { + self.0.push((k, v)); + None + } + } + + /// Gets a reference to the value in the entry. + pub fn get<Q: ?Sized>(&self, k: &Q) -> Option<&V> + where + K: Borrow<Q>, + Q: Eq, + { + self.0.iter().find(|(key, _)| k == key.borrow()).map(|elem| &elem.1) + } + + /// Returns the value corresponding to the supplied predicate filter. + /// + /// The supplied predicate will be applied to each (key, value) pair and it will return a + /// reference to the values where the predicate returns `true`. + pub fn get_by(&self, mut predicate: impl FnMut(&(K, V)) -> bool) -> Option<&V> { + self.0.iter().find(|kv| predicate(kv)).map(|elem| &elem.1) + } + + /// Returns `true` if the map contains a value for the specified key. + /// + /// The key may be any borrowed form of the map's key type, + /// [`Eq`] on the borrowed form *must* match those for + /// the key type. + pub fn contains_key<Q: ?Sized>(&self, k: &Q) -> bool + where + K: Borrow<Q>, + Q: Eq, + { + self.get(k).is_some() + } + + /// Returns `true` if the map contains no elements. + pub fn is_empty(&self) -> bool { + self.0.is_empty() + } + + pub fn iter(&self) -> Iter<'_, (K, V)> { + self.into_iter() + } + + pub fn iter_mut(&mut self) -> IterMut<'_, (K, V)> { + self.into_iter() + } +} + +impl<K, V> Default for VecMap<K, V> { + #[inline] + fn default() -> Self { + Self(Default::default()) + } +} + +impl<K, V> From<Vec<(K, V)>> for VecMap<K, V> { + fn from(vec: Vec<(K, V)>) -> Self { + Self(vec) + } +} + +impl<K, V> Into<Vec<(K, V)>> for VecMap<K, V> { + fn into(self) -> Vec<(K, V)> { + self.0 + } +} + +impl<K, V> FromIterator<(K, V)> for VecMap<K, V> { + fn from_iter<I: IntoIterator<Item = (K, V)>>(iter: I) -> Self { + Self(iter.into_iter().collect()) + } +} + +impl<'a, K, V> IntoIterator for &'a VecMap<K, V> { + type Item = &'a (K, V); + type IntoIter = Iter<'a, (K, V)>; + + #[inline] + fn into_iter(self) -> Self::IntoIter { + self.0.iter() + } +} + +impl<'a, K, V> IntoIterator for &'a mut VecMap<K, V> { + type Item = &'a mut (K, V); + type IntoIter = IterMut<'a, (K, V)>; + + #[inline] + fn into_iter(self) -> Self::IntoIter { + self.0.iter_mut() + } +} + +impl<K, V> IntoIterator for VecMap<K, V> { + type Item = (K, V); + type IntoIter = IntoIter<(K, V)>; + + #[inline] + fn into_iter(self) -> Self::IntoIter { + self.0.into_iter() + } +} + +impl<K, V> Extend<(K, V)> for VecMap<K, V> { + fn extend<I: IntoIterator<Item = (K, V)>>(&mut self, iter: I) { + self.0.extend(iter); + } + + fn extend_one(&mut self, item: (K, V)) { + self.0.extend_one(item); + } + + fn extend_reserve(&mut self, additional: usize) { + self.0.extend_reserve(additional); + } +} + +impl<K, V, CTX> HashStable<CTX> for VecMap<K, V> +where + K: HashStable<CTX> + Eq, + V: HashStable<CTX>, +{ + fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) { + self.0.hash_stable(hcx, hasher) + } +} + +#[cfg(test)] +mod tests; diff --git a/compiler/rustc_data_structures/src/vec_map/tests.rs b/compiler/rustc_data_structures/src/vec_map/tests.rs new file mode 100644 index 00000000000..9083de85982 --- /dev/null +++ b/compiler/rustc_data_structures/src/vec_map/tests.rs @@ -0,0 +1,48 @@ +use super::*; + +impl<K, V> VecMap<K, V> { + fn into_vec(self) -> Vec<(K, V)> { + self.0.into() + } +} + +#[test] +fn test_from_iterator() { + assert_eq!( + std::iter::empty().collect::<VecMap<i32, bool>>().into_vec(), + Vec::<(i32, bool)>::new() + ); + assert_eq!(std::iter::once((42, true)).collect::<VecMap<_, _>>().into_vec(), vec![(42, true)]); + assert_eq!( + vec![(1, true), (2, false)].into_iter().collect::<VecMap<_, _>>().into_vec(), + vec![(1, true), (2, false)] + ); +} + +#[test] +fn test_into_iterator_owned() { + assert_eq!(VecMap::new().into_iter().collect::<Vec<(i32, bool)>>(), Vec::<(i32, bool)>::new()); + assert_eq!(VecMap::from(vec![(1, true)]).into_iter().collect::<Vec<_>>(), vec![(1, true)]); + assert_eq!( + VecMap::from(vec![(1, true), (2, false)]).into_iter().collect::<Vec<_>>(), + vec![(1, true), (2, false)] + ); +} + +#[test] +fn test_insert() { + let mut v = VecMap::new(); + assert_eq!(v.insert(1, true), None); + assert_eq!(v.insert(2, false), None); + assert_eq!(v.clone().into_vec(), vec![(1, true), (2, false)]); + assert_eq!(v.insert(1, false), Some(true)); + assert_eq!(v.into_vec(), vec![(1, false), (2, false)]); +} + +#[test] +fn test_get() { + let v = vec![(1, true), (2, false)].into_iter().collect::<VecMap<_, _>>(); + assert_eq!(v.get(&1), Some(&true)); + assert_eq!(v.get(&2), Some(&false)); + assert_eq!(v.get(&3), None); +} diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index c9b36dd0c24..b943977e4c2 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -21,7 +21,7 @@ use rustc_data_structures::sync::SeqCst; use rustc_errors::registry::{InvalidErrorCode, Registry}; use rustc_errors::{ErrorReported, PResult}; use rustc_feature::find_gated_cfg; -use rustc_interface::util::{self, collect_crate_types, get_builtin_codegen_backend}; +use rustc_interface::util::{self, collect_crate_types, get_codegen_backend}; use rustc_interface::{interface, Queries}; use rustc_lint::LintStore; use rustc_metadata::locator; @@ -499,7 +499,7 @@ fn make_input( } } -// Whether to stop or continue compilation. +/// Whether to stop or continue compilation. #[derive(Copy, Clone, Debug, Eq, PartialEq)] pub enum Compilation { Stop, @@ -765,9 +765,16 @@ pub fn version(binary: &str, matches: &getopts::Matches) { println!("commit-date: {}", unw(util::commit_date_str())); println!("host: {}", config::host_triple()); println!("release: {}", unw(util::release_str())); - if cfg!(feature = "llvm") { - get_builtin_codegen_backend(&None, "llvm")().print_version(); - } + + let debug_flags = matches.opt_strs("Z"); + let backend_name = debug_flags.iter().find_map(|x| { + if x.starts_with("codegen-backend=") { + Some(&x["codegen-backends=".len()..]) + } else { + None + } + }); + get_codegen_backend(&None, backend_name).print_version(); } } @@ -1039,8 +1046,8 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> { } // Don't handle -W help here, because we might first load plugins. - let r = matches.opt_strs("Z"); - if r.iter().any(|x| *x == "help") { + let debug_flags = matches.opt_strs("Z"); + if debug_flags.iter().any(|x| *x == "help") { describe_debug_flags(); return None; } @@ -1060,9 +1067,14 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> { } if cg_flags.iter().any(|x| *x == "passes=list") { - if cfg!(feature = "llvm") { - get_builtin_codegen_backend(&None, "llvm")().print_passes(); - } + let backend_name = debug_flags.iter().find_map(|x| { + if x.starts_with("codegen-backend=") { + Some(&x["codegen-backends=".len()..]) + } else { + None + } + }); + get_codegen_backend(&None, backend_name).print_passes(); return None; } diff --git a/compiler/rustc_error_codes/src/error_codes.rs b/compiler/rustc_error_codes/src/error_codes.rs index c343809179b..f10efd83236 100644 --- a/compiler/rustc_error_codes/src/error_codes.rs +++ b/compiler/rustc_error_codes/src/error_codes.rs @@ -157,6 +157,7 @@ E0308: include_str!("./error_codes/E0308.md"), E0309: include_str!("./error_codes/E0309.md"), E0310: include_str!("./error_codes/E0310.md"), E0312: include_str!("./error_codes/E0312.md"), +E0316: include_str!("./error_codes/E0316.md"), E0317: include_str!("./error_codes/E0317.md"), E0321: include_str!("./error_codes/E0321.md"), E0322: include_str!("./error_codes/E0322.md"), @@ -553,9 +554,8 @@ E0783: include_str!("./error_codes/E0783.md"), E0311, // thing may not live long enough E0313, // lifetime of borrowed pointer outlives lifetime of captured // variable - E0314, // closure outlives stack frame - E0315, // cannot invoke closure outside of its lifetime - E0316, // nested quantification of lifetimes +// E0314, // closure outlives stack frame +// E0315, // cannot invoke closure outside of its lifetime // E0319, // trait impls for defaulted traits allowed just for structs/enums E0320, // recursive overflow during dropck // E0372, // coherence not object safe @@ -584,21 +584,21 @@ E0783: include_str!("./error_codes/E0783.md"), // E0470, removed // E0471, // constant evaluation error (in pattern) E0472, // llvm_asm! is unsupported on this target - E0473, // dereference of reference outside its lifetime - E0474, // captured variable `..` does not outlive the enclosing closure - E0475, // index of slice outside its lifetime +// E0473, // dereference of reference outside its lifetime +// E0474, // captured variable `..` does not outlive the enclosing closure +// E0475, // index of slice outside its lifetime E0476, // lifetime of the source pointer does not outlive lifetime bound... - E0479, // the type `..` (provided as the value of a type parameter) is... - E0480, // lifetime of method receiver does not outlive the method call - E0481, // lifetime of function argument does not outlive the function call +// E0479, // the type `..` (provided as the value of a type parameter) is... +// E0480, // lifetime of method receiver does not outlive the method call +// E0481, // lifetime of function argument does not outlive the function call E0482, // lifetime of return value does not outlive the function call - E0483, // lifetime of operand does not outlive the operation - E0484, // reference is not valid at the time of borrow - E0485, // automatically reference is not valid at the time of borrow - E0486, // type of expression contains references that are not valid during.. - E0487, // unsafe use of destructor: destructor might be called while... - E0488, // lifetime of variable does not enclose its declaration - E0489, // type/lifetime parameter not in scope here +// E0483, // lifetime of operand does not outlive the operation +// E0484, // reference is not valid at the time of borrow +// E0485, // automatically reference is not valid at the time of borrow +// E0486, // type of expression contains references that are not valid during.. +// E0487, // unsafe use of destructor: destructor might be called while... +// E0488, // lifetime of variable does not enclose its declaration +// E0489, // type/lifetime parameter not in scope here E0490, // a value of type `..` is borrowed for too long E0498, // malformed plugin attribute E0514, // metadata version mismatch diff --git a/compiler/rustc_error_codes/src/error_codes/E0316.md b/compiler/rustc_error_codes/src/error_codes/E0316.md new file mode 100644 index 00000000000..4368c321737 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0316.md @@ -0,0 +1,32 @@ +A `where` clause contains a nested quantification over lifetimes. + +Erroneous code example: + +```compile_fail,E0316 +trait Tr<'a, 'b> {} + +fn foo<T>(t: T) +where + for<'a> &'a T: for<'b> Tr<'a, 'b>, // error: nested quantification +{ +} +``` + +Rust syntax allows lifetime quantifications in two places within +`where` clauses: Quantifying over the trait bound only (as in +`Ty: for<'l> Trait<'l>`) and quantifying over the whole clause +(as in `for<'l> &'l Ty: Trait<'l>`). Using both in the same clause +leads to a nested lifetime quantification, which is not supported. + +The following example compiles, because the clause with the nested +quantification has been rewritten to use only one `for<>`: + +``` +trait Tr<'a, 'b> {} + +fn foo<T>(t: T) +where + for<'a, 'b> &'a T: Tr<'a, 'b>, // ok +{ +} +``` diff --git a/compiler/rustc_error_codes/src/error_codes/E0759.md b/compiler/rustc_error_codes/src/error_codes/E0759.md index 2fe5ada257f..6b16a7d415a 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0759.md +++ b/compiler/rustc_error_codes/src/error_codes/E0759.md @@ -16,13 +16,13 @@ fn bar(x: &i32) -> Box<dyn Debug> { // error! Add `'static` requirement to fix them: -```compile_fail,E0759 +``` # use std::fmt::Debug; -fn foo(x: &i32) -> impl Debug + 'static { // ok! +fn foo(x: &'static i32) -> impl Debug + 'static { // ok! x } -fn bar(x: &i32) -> Box<dyn Debug + 'static> { // ok! +fn bar(x: &'static i32) -> Box<dyn Debug + 'static> { // ok! Box::new(x) } ``` diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index 5d175a3ade9..72395bd31ec 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -216,7 +216,7 @@ macro_rules! encode_fields { $( $enc.emit_struct_field( stringify!($name), - idx, + idx == 0, |enc| $name.encode(enc), )?; idx += 1; @@ -229,7 +229,7 @@ macro_rules! encode_fields { // Special-case encoder to skip tool_metadata if not set impl<E: Encoder> Encodable<E> for Diagnostic { fn encode(&self, s: &mut E) -> Result<(), E::Error> { - s.emit_struct("diagnostic", 7, |s| { + s.emit_struct(false, |s| { let mut idx = 0; idx = encode_fields!( diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 65352f0bc6e..979f2d3b300 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -715,6 +715,7 @@ impl Handler { self.inner.borrow_mut().bug(msg) } + #[inline] pub fn err_count(&self) -> usize { self.inner.borrow().err_count() } @@ -924,6 +925,7 @@ impl HandlerInner { } } + #[inline] fn err_count(&self) -> usize { self.err_count + self.stashed_diagnostics.len() } diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index e1c218c6408..aab2741c852 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1068,11 +1068,11 @@ impl<'a> ExtCtxt<'a> { self.resolver.check_unused_macros(); } - /// Resolves a path mentioned inside Rust code. + /// Resolves a `path` mentioned inside Rust code, returning an absolute path. /// - /// This unifies the logic used for resolving `include_X!`, and `#[doc(include)]` file paths. + /// This unifies the logic used for resolving `include_X!`. /// - /// Returns an absolute path to the file that `path` refers to. + /// FIXME: move this to `rustc_builtin_macros` and make it private. pub fn resolve_path( &self, path: impl Into<PathBuf>, diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index f5c6bb3db65..39c0447bd09 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -12,11 +12,11 @@ use rustc_ast::ptr::P; use rustc_ast::token; use rustc_ast::tokenstream::TokenStream; use rustc_ast::visit::{self, AssocCtxt, Visitor}; -use rustc_ast::{AstLike, AttrItem, Block, Inline, ItemKind, LitKind, MacArgs}; +use rustc_ast::{AstLike, Block, Inline, ItemKind, MacArgs}; use rustc_ast::{MacCallStmt, MacStmtStyle, MetaItemKind, ModKind, NestedMetaItem}; use rustc_ast::{NodeId, PatKind, Path, StmtKind, Unsafe}; use rustc_ast_pretty::pprust; -use rustc_attr::{self as attr, is_builtin_attr}; +use rustc_attr::is_builtin_attr; use rustc_data_structures::map_in_place::MapInPlace; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_data_structures::sync::Lrc; @@ -28,15 +28,14 @@ use rustc_session::lint::builtin::UNUSED_DOC_COMMENTS; use rustc_session::lint::BuiltinLintDiagnostics; use rustc_session::parse::{feature_err, ParseSess}; use rustc_session::Limit; -use rustc_span::symbol::{sym, Ident, Symbol}; -use rustc_span::{ExpnId, FileName, Span, DUMMY_SP}; +use rustc_span::symbol::{sym, Ident}; +use rustc_span::{ExpnId, FileName, Span}; use smallvec::{smallvec, SmallVec}; -use std::io::ErrorKind; use std::ops::DerefMut; use std::path::PathBuf; use std::rc::Rc; -use std::{iter, mem, slice}; +use std::{iter, mem}; macro_rules! ast_fragments { ( @@ -1524,139 +1523,6 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> { noop_flat_map_generic_param(param, self) } - fn visit_attribute(&mut self, at: &mut ast::Attribute) { - // turn `#[doc(include="filename")]` attributes into `#[doc(include(file="filename", - // contents="file contents")]` attributes - if !self.cx.sess.check_name(at, sym::doc) { - return noop_visit_attribute(at, self); - } - - if let Some(list) = at.meta_item_list() { - if !list.iter().any(|it| it.has_name(sym::include)) { - return noop_visit_attribute(at, self); - } - - let mut items = vec![]; - - for mut it in list { - if !it.has_name(sym::include) { - items.push({ - noop_visit_meta_list_item(&mut it, self); - it - }); - continue; - } - - if let Some(file) = it.value_str() { - let err_count = self.cx.sess.parse_sess.span_diagnostic.err_count(); - self.check_attributes(slice::from_ref(at)); - if self.cx.sess.parse_sess.span_diagnostic.err_count() > err_count { - // avoid loading the file if they haven't enabled the feature - return noop_visit_attribute(at, self); - } - - let filename = match self.cx.resolve_path(&*file.as_str(), it.span()) { - Ok(filename) => filename, - Err(mut err) => { - err.emit(); - continue; - } - }; - - match self.cx.source_map().load_file(&filename) { - Ok(source_file) => { - let src = source_file - .src - .as_ref() - .expect("freshly loaded file should have a source"); - let src_interned = Symbol::intern(src.as_str()); - - let include_info = vec![ - ast::NestedMetaItem::MetaItem(attr::mk_name_value_item_str( - Ident::with_dummy_span(sym::file), - file, - DUMMY_SP, - )), - ast::NestedMetaItem::MetaItem(attr::mk_name_value_item_str( - Ident::with_dummy_span(sym::contents), - src_interned, - DUMMY_SP, - )), - ]; - - let include_ident = Ident::with_dummy_span(sym::include); - let item = attr::mk_list_item(include_ident, include_info); - items.push(ast::NestedMetaItem::MetaItem(item)); - } - Err(e) => { - let lit_span = it.name_value_literal_span().unwrap(); - - if e.kind() == ErrorKind::InvalidData { - self.cx - .struct_span_err( - lit_span, - &format!("{} wasn't a utf-8 file", filename.display()), - ) - .span_label(lit_span, "contains invalid utf-8") - .emit(); - } else { - let mut err = self.cx.struct_span_err( - lit_span, - &format!("couldn't read {}: {}", filename.display(), e), - ); - err.span_label(lit_span, "couldn't read file"); - - err.emit(); - } - } - } - } else { - let mut err = self - .cx - .struct_span_err(it.span(), "expected path to external documentation"); - - // Check if the user erroneously used `doc(include(...))` syntax. - let literal = it.meta_item_list().and_then(|list| { - if list.len() == 1 { - list[0].literal().map(|literal| &literal.kind) - } else { - None - } - }); - - let (path, applicability) = match &literal { - Some(LitKind::Str(path, ..)) => { - (path.to_string(), Applicability::MachineApplicable) - } - _ => (String::from("<path>"), Applicability::HasPlaceholders), - }; - - err.span_suggestion( - it.span(), - "provide a file path with `=`", - format!("include = \"{}\"", path), - applicability, - ); - - err.emit(); - } - } - - let meta = attr::mk_list_item(Ident::with_dummy_span(sym::doc), items); - *at = ast::Attribute { - kind: ast::AttrKind::Normal( - AttrItem { path: meta.path, args: meta.kind.mac_args(meta.span), tokens: None }, - None, - ), - span: at.span, - id: at.id, - style: at.style, - }; - } else { - noop_visit_attribute(at, self) - } - } - fn visit_id(&mut self, id: &mut ast::NodeId) { if self.monotonic { debug_assert_eq!(*id, ast::DUMMY_NODE_ID); diff --git a/compiler/rustc_expand/src/lib.rs b/compiler/rustc_expand/src/lib.rs index 16510b3eb07..efed41de23a 100644 --- a/compiler/rustc_expand/src/lib.rs +++ b/compiler/rustc_expand/src/lib.rs @@ -1,7 +1,7 @@ -#![feature(bool_to_option)] #![feature(crate_visibility_modifier)] #![feature(decl_macro)] #![feature(destructuring_assignment)] +#![feature(format_args_capture)] #![feature(iter_zip)] #![feature(proc_macro_diagnostic)] #![feature(proc_macro_internals)] diff --git a/compiler/rustc_expand/src/mbe/macro_parser.rs b/compiler/rustc_expand/src/mbe/macro_parser.rs index 1aed42a24e2..a7434d73abe 100644 --- a/compiler/rustc_expand/src/mbe/macro_parser.rs +++ b/compiler/rustc_expand/src/mbe/macro_parser.rs @@ -85,6 +85,7 @@ use smallvec::{smallvec, SmallVec}; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; +use rustc_span::symbol::Ident; use std::borrow::Cow; use std::collections::hash_map::Entry::{Occupied, Vacant}; use std::mem; @@ -615,7 +616,11 @@ fn inner_parse_loop<'root, 'tt>( /// Use the given sequence of token trees (`ms`) as a matcher. Match the token /// stream from the given `parser` against it and return the match. -pub(super) fn parse_tt(parser: &mut Cow<'_, Parser<'_>>, ms: &[TokenTree]) -> NamedParseResult { +pub(super) fn parse_tt( + parser: &mut Cow<'_, Parser<'_>>, + ms: &[TokenTree], + macro_name: Ident, +) -> NamedParseResult { // A queue of possible matcher positions. We initialize it with the matcher position in which // the "dot" is before the first token of the first token tree in `ms`. `inner_parse_loop` then // processes all of these possible matcher positions and produces possible next positions into @@ -711,7 +716,7 @@ pub(super) fn parse_tt(parser: &mut Cow<'_, Parser<'_>>, ms: &[TokenTree]) -> Na return Error( parser.token.span, format!( - "local ambiguity: multiple parsing options: {}", + "local ambiguity when calling macro `{macro_name}`: multiple parsing options: {}", match next_items.len() { 0 => format!("built-in NTs {}.", nts), 1 => format!("built-in NTs {} or 1 other option.", nts), diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 6608573d720..abad190b072 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -245,7 +245,7 @@ fn generic_extension<'cx>( // are not recorded. On the first `Success(..)`ful matcher, the spans are merged. let mut gated_spans_snapshot = mem::take(&mut *sess.gated_spans.spans.borrow_mut()); - match parse_tt(&mut Cow::Borrowed(&parser), lhs_tt) { + match parse_tt(&mut Cow::Borrowed(&parser), lhs_tt, name) { Success(named_matches) => { // The matcher was `Success(..)`ful. // Merge the gated spans from parsing the matcher with the pre-existing ones. @@ -338,7 +338,7 @@ fn generic_extension<'cx>( _ => continue, }; if let Success(_) = - parse_tt(&mut Cow::Borrowed(&parser_from_cx(sess, arg.clone())), lhs_tt) + parse_tt(&mut Cow::Borrowed(&parser_from_cx(sess, arg.clone())), lhs_tt, name) { if comma_span.is_dummy() { err.note("you might be missing a comma"); @@ -432,7 +432,7 @@ pub fn compile_declarative_macro( ]; let parser = Parser::new(&sess.parse_sess, body, true, rustc_parse::MACRO_ARGUMENTS); - let argument_map = match parse_tt(&mut Cow::Borrowed(&parser), &argument_gram) { + let argument_map = match parse_tt(&mut Cow::Borrowed(&parser), &argument_gram, def.ident) { Success(m) => m, Failure(token, msg) => { let s = parse_failure_msg(&token); diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index a84737e80a0..0359f503ef9 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -250,6 +250,7 @@ declare_features! ( (active, f16c_target_feature, "1.36.0", Some(44839), None), (active, riscv_target_feature, "1.45.0", Some(44839), None), (active, ermsb_target_feature, "1.49.0", Some(44839), None), + (active, bpf_target_feature, "1.54.0", Some(44839), None), // ------------------------------------------------------------------------- // feature-group-end: actual feature gates (target features) @@ -370,9 +371,6 @@ declare_features! ( /// Allows `#[doc(masked)]`. (active, doc_masked, "1.21.0", Some(44027), None), - /// Allows `#[doc(include = "some-file")]`. - (active, external_doc, "1.22.0", Some(44732), None), - /// Allows using `crate` as visibility modifier, synonymous with `pub(crate)`. (active, crate_visibility_modifier, "1.23.0", Some(53120), None), diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index e7e128f8a9b..259a6328a22 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -569,10 +569,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_attr!(TEST, rustc_if_this_changed, AssumedUsed, template!(Word, List: "DepNode")), rustc_attr!(TEST, rustc_then_this_would_need, AssumedUsed, template!(List: "DepNode")), rustc_attr!( - TEST, rustc_dirty, AssumedUsed, - template!(List: r#"cfg = "...", /*opt*/ label = "...", /*opt*/ except = "...""#), - ), - rustc_attr!( TEST, rustc_clean, AssumedUsed, template!(List: r#"cfg = "...", /*opt*/ label = "...", /*opt*/ except = "...""#), ), diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index 138398825af..71c10eb6507 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -140,6 +140,10 @@ declare_features! ( (removed, const_fn, "1.54.0", Some(57563), None, Some("split into finer-grained feature gates")), + /// Allows `#[doc(include = "some-file")]`. + (removed, external_doc, "1.54.0", Some(44732), None, + Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations")), + // ------------------------------------------------------------------------- // feature-group-end: removed features // ------------------------------------------------------------------------- diff --git a/compiler/rustc_hir/src/definitions.rs b/compiler/rustc_hir/src/definitions.rs index 77aad0baef5..753b8c85670 100644 --- a/compiler/rustc_hir/src/definitions.rs +++ b/compiler/rustc_hir/src/definitions.rs @@ -14,6 +14,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stable_hasher::StableHasher; use rustc_data_structures::unhash::UnhashMap; use rustc_index::vec::IndexVec; +use rustc_span::crate_disambiguator::CrateDisambiguator; use rustc_span::hygiene::ExpnId; use rustc_span::symbol::{kw, sym, Symbol}; @@ -93,15 +94,6 @@ impl DefPathTable { .iter_enumerated() .map(move |(index, key)| (index, key, &self.def_path_hashes[index])) } - - pub fn all_def_path_hashes_and_def_ids( - &self, - krate: CrateNum, - ) -> impl Iterator<Item = (DefPathHash, DefId)> + '_ { - self.def_path_hashes - .iter_enumerated() - .map(move |(index, hash)| (*hash, DefId { krate, index })) - } } /// The definition table containing node definitions. @@ -305,6 +297,7 @@ impl Definitions { self.table.index_to_key.len() } + #[inline] pub fn def_key(&self, id: LocalDefId) -> DefKey { self.table.def_key(id.local_def_index) } @@ -337,7 +330,7 @@ impl Definitions { } /// Adds a root definition (no parent) and a few other reserved definitions. - pub fn new(stable_crate_id: StableCrateId) -> Definitions { + pub fn new(crate_name: &str, crate_disambiguator: CrateDisambiguator) -> Definitions { let key = DefKey { parent: None, disambiguated_data: DisambiguatedDefPathData { @@ -346,6 +339,7 @@ impl Definitions { }, }; + let stable_crate_id = StableCrateId::new(crate_name, crate_disambiguator); let parent_hash = DefPathHash::new(stable_crate_id, 0); let def_path_hash = key.compute_stable_hash(parent_hash); @@ -437,6 +431,14 @@ impl Definitions { pub fn iter_local_def_id(&self) -> impl Iterator<Item = LocalDefId> + '_ { self.def_id_to_hir_id.iter_enumerated().map(|(k, _)| k) } + + #[inline(always)] + pub fn local_def_path_hash_to_def_id(&self, hash: DefPathHash) -> Option<LocalDefId> { + self.table + .def_path_hash_to_index + .get(&hash) + .map(|&local_def_index| LocalDefId { local_def_index }) + } } #[derive(Copy, Clone, PartialEq, Debug)] diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 91fd97a0d40..577d43b1c8e 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1,7 +1,7 @@ // ignore-tidy-filelength use crate::def::{CtorKind, DefKind, Res}; use crate::def_id::DefId; -crate use crate::hir_id::HirId; +crate use crate::hir_id::{HirId, ItemLocalId}; use crate::{itemlikevisit, LangItem}; use rustc_ast::util::parser::ExprPrecedence; @@ -10,6 +10,7 @@ use rustc_ast::{Attribute, FloatTy, IntTy, Label, LitKind, StrStyle, TraitObject pub use rustc_ast::{BorrowKind, ImplPolarity, IsAuto}; pub use rustc_ast::{CaptureBy, Movability, Mutability}; use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece}; +use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::{par_for_each_in, Send, Sync}; use rustc_macros::HashStable_Generic; use rustc_span::source_map::Spanned; @@ -658,7 +659,9 @@ pub struct Crate<'hir> { /// they are declared in the static array generated by proc_macro_harness. pub proc_macros: Vec<HirId>, - pub trait_map: BTreeMap<HirId, Vec<TraitCandidate>>, + /// Map indicating what traits are in scope for places where this + /// is relevant; generated by resolve. + pub trait_map: FxHashMap<LocalDefId, FxHashMap<ItemLocalId, Box<[TraitCandidate]>>>, /// Collected attributes from HIR nodes. pub attrs: BTreeMap<HirId, &'hir [Attribute]>, @@ -2485,6 +2488,7 @@ pub enum FnRetTy<'hir> { } impl FnRetTy<'_> { + #[inline] pub fn span(&self) -> Span { match *self { Self::DefaultReturn(span) => span, diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs index 7f3c410b1ec..ad2ecae9233 100644 --- a/compiler/rustc_hir/src/lib.rs +++ b/compiler/rustc_hir/src/lib.rs @@ -3,12 +3,10 @@ //! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html #![feature(crate_visibility_modifier)] -#![feature(const_panic)] #![cfg_attr(bootstrap, feature(extended_key_value_attributes))] #![feature(in_band_lifetimes)] #![feature(once_cell)] #![feature(min_specialization)] -#![feature(trusted_step)] #![recursion_limit = "256"] #[macro_use] diff --git a/compiler/rustc_hir/src/tests.rs b/compiler/rustc_hir/src/tests.rs index 4636d515249..2aafc6afa23 100644 --- a/compiler/rustc_hir/src/tests.rs +++ b/compiler/rustc_hir/src/tests.rs @@ -1,4 +1,6 @@ use crate::definitions::{DefKey, DefPathData, DisambiguatedDefPathData}; +use rustc_data_structures::fingerprint::Fingerprint; +use rustc_span::crate_disambiguator::CrateDisambiguator; use rustc_span::def_id::{DefPathHash, StableCrateId}; #[test] @@ -11,16 +13,17 @@ fn def_path_hash_depends_on_crate_id() { // the crate by changing the crate disambiguator (e.g. via bumping the // crate's version number). - let id0 = StableCrateId::new("foo", false, vec!["1".to_string()]); - let id1 = StableCrateId::new("foo", false, vec!["2".to_string()]); + let d0 = CrateDisambiguator::from(Fingerprint::new(12, 34)); + let d1 = CrateDisambiguator::from(Fingerprint::new(56, 78)); - let h0 = mk_test_hash(id0); - let h1 = mk_test_hash(id1); + let h0 = mk_test_hash("foo", d0); + let h1 = mk_test_hash("foo", d1); assert_ne!(h0.stable_crate_id(), h1.stable_crate_id()); assert_ne!(h0.local_hash(), h1.local_hash()); - fn mk_test_hash(stable_crate_id: StableCrateId) -> DefPathHash { + fn mk_test_hash(crate_name: &str, crate_disambiguator: CrateDisambiguator) -> DefPathHash { + let stable_crate_id = StableCrateId::new(crate_name, crate_disambiguator); let parent_hash = DefPathHash::new(stable_crate_id, 0); let key = DefKey { diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs index e7bd488af8e..9abd4eae914 100644 --- a/compiler/rustc_incremental/src/persist/dirty_clean.rs +++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs @@ -1,6 +1,5 @@ -//! Debugging code to test fingerprints computed for query results. -//! For each node marked with `#[rustc_clean]` or `#[rustc_dirty]`, -//! we will compare the fingerprint from the current and from the previous +//! Debugging code to test fingerprints computed for query results. For each node marked with +//! `#[rustc_clean]` we will compare the fingerprint from the current and from the previous //! compilation session as appropriate: //! //! - `#[rustc_clean(cfg="rev2", except="typeck")]` if we are @@ -30,7 +29,6 @@ use std::iter::FromIterator; use std::vec::Vec; const EXCEPT: Symbol = sym::except; -const LABEL: Symbol = sym::label; const CFG: Symbol = sym::cfg; // Base and Extra labels to build up the labels @@ -102,6 +100,12 @@ const LABELS_FN_IN_TRAIT: &[&[&str]] = const LABELS_HIR_ONLY: &[&[&str]] = &[BASE_HIR]; /// Impl `DepNode`s. +const LABELS_TRAIT: &[&[&str]] = &[ + BASE_HIR, + &[label_strs::associated_item_def_ids, label_strs::predicates_of, label_strs::generics_of], +]; + +/// Impl `DepNode`s. const LABELS_IMPL: &[&[&str]] = &[BASE_HIR, BASE_IMPL]; /// Abstract data type (struct, enum, union) `DepNode`s. @@ -122,22 +126,12 @@ struct Assertion { dirty: Labels, } -impl Assertion { - fn from_clean_labels(labels: Labels) -> Assertion { - Assertion { clean: labels, dirty: Labels::default() } - } - - fn from_dirty_labels(labels: Labels) -> Assertion { - Assertion { clean: Labels::default(), dirty: labels } - } -} - pub fn check_dirty_clean_annotations(tcx: TyCtxt<'_>) { if !tcx.sess.opts.debugging_opts.query_dep_graph { return; } - // can't add `#[rustc_dirty]` etc without opting in to this feature + // can't add `#[rustc_clean]` etc without opting in to this feature if !tcx.features().rustc_attrs { return; } @@ -147,11 +141,7 @@ pub fn check_dirty_clean_annotations(tcx: TyCtxt<'_>) { let mut dirty_clean_visitor = DirtyCleanVisitor { tcx, checked_attrs: Default::default() }; krate.visit_all_item_likes(&mut dirty_clean_visitor); - let mut all_attrs = FindAllAttrs { - tcx, - attr_names: &[sym::rustc_dirty, sym::rustc_clean], - found_attrs: vec![], - }; + let mut all_attrs = FindAllAttrs { tcx, found_attrs: vec![] }; intravisit::walk_crate(&mut all_attrs, krate); // Note that we cannot use the existing "unused attribute"-infrastructure @@ -169,37 +159,20 @@ pub struct DirtyCleanVisitor<'tcx> { impl DirtyCleanVisitor<'tcx> { /// Possibly "deserialize" the attribute into a clean/dirty assertion fn assertion_maybe(&mut self, item_id: LocalDefId, attr: &Attribute) -> Option<Assertion> { - let is_clean = if self.tcx.sess.check_name(attr, sym::rustc_dirty) { - false - } else if self.tcx.sess.check_name(attr, sym::rustc_clean) { - true - } else { + if !self.tcx.sess.check_name(attr, sym::rustc_clean) { // skip: not rustc_clean/dirty return None; - }; + } if !check_config(self.tcx, attr) { // skip: not the correct `cfg=` return None; } - let assertion = if let Some(labels) = self.labels(attr) { - if is_clean { - Assertion::from_clean_labels(labels) - } else { - Assertion::from_dirty_labels(labels) - } - } else { - self.assertion_auto(item_id, attr, is_clean) - }; + let assertion = self.assertion_auto(item_id, attr); Some(assertion) } /// Gets the "auto" assertion on pre-validated attr, along with the `except` labels. - fn assertion_auto( - &mut self, - item_id: LocalDefId, - attr: &Attribute, - is_clean: bool, - ) -> Assertion { + fn assertion_auto(&mut self, item_id: LocalDefId, attr: &Attribute) -> Assertion { let (name, mut auto) = self.auto_labels(item_id, attr); let except = self.except(attr); for e in except.iter() { @@ -211,21 +184,7 @@ impl DirtyCleanVisitor<'tcx> { self.tcx.sess.span_fatal(attr.span, &msg); } } - if is_clean { - Assertion { clean: auto, dirty: except } - } else { - Assertion { clean: except, dirty: auto } - } - } - - fn labels(&self, attr: &Attribute) -> Option<Labels> { - for item in attr.meta_item_list().unwrap_or_else(Vec::new) { - if item.has_name(LABEL) { - let value = expect_associated_value(self.tcx, &item); - return Some(self.resolve_labels(&item, value)); - } - } - None + Assertion { clean: auto, dirty: except } } /// `except=` attribute value @@ -288,20 +247,7 @@ impl DirtyCleanVisitor<'tcx> { HirItem::Union(..) => ("ItemUnion", LABELS_ADT), // Represents a Trait Declaration - // FIXME(michaelwoerister): trait declaration is buggy because sometimes some of - // the depnodes don't exist (because they legitimately didn't need to be - // calculated) - // - // michaelwoerister and vitiral came up with a possible solution, - // to just do this before every query - // ``` - // ::rustc_middle::ty::query::plumbing::force_from_dep_node(tcx, dep_node) - // ``` - // - // However, this did not seem to work effectively and more bugs were hit. - // Nebie @vitiral gave up :) - // - //HirItem::Trait(..) => ("ItemTrait", LABELS_TRAIT), + HirItem::Trait(..) => ("ItemTrait", LABELS_TRAIT), // An implementation, eg `impl<A> Trait for Foo { .. }` HirItem::Impl { .. } => ("ItemKind::Impl", LABELS_IMPL), @@ -434,35 +380,23 @@ impl ItemLikeVisitor<'tcx> for DirtyCleanVisitor<'tcx> { } } -/// Given a `#[rustc_dirty]` or `#[rustc_clean]` attribute, scan -/// for a `cfg="foo"` attribute and check whether we have a cfg -/// flag called `foo`. -/// -/// Also make sure that the `label` and `except` fields do not -/// both exist. +/// Given a `#[rustc_clean]` attribute, scan for a `cfg="foo"` attribute and check whether we have +/// a cfg flag called `foo`. fn check_config(tcx: TyCtxt<'_>, attr: &Attribute) -> bool { debug!("check_config(attr={:?})", attr); let config = &tcx.sess.parse_sess.config; debug!("check_config: config={:?}", config); - let (mut cfg, mut except, mut label) = (None, false, false); + let mut cfg = None; for item in attr.meta_item_list().unwrap_or_else(Vec::new) { if item.has_name(CFG) { let value = expect_associated_value(tcx, &item); debug!("check_config: searching for cfg {:?}", value); cfg = Some(config.contains(&(value, None))); - } - if item.has_name(LABEL) { - label = true; - } - if item.has_name(EXCEPT) { - except = true; + } else if !item.has_name(EXCEPT) { + tcx.sess.span_err(attr.span, &format!("unknown item `{}`", item.name_or_empty())); } } - if label && except { - tcx.sess.span_fatal(attr.span, "must specify only one of: `label`, `except`"); - } - match cfg { None => tcx.sess.span_fatal(attr.span, "no cfg attribute"), Some(c) => c, @@ -483,21 +417,18 @@ fn expect_associated_value(tcx: TyCtxt<'_>, item: &NestedMetaItem) -> Symbol { } } -// A visitor that collects all #[rustc_dirty]/#[rustc_clean] attributes from +// A visitor that collects all #[rustc_clean] attributes from // the HIR. It is used to verify that we really ran checks for all annotated // nodes. -pub struct FindAllAttrs<'a, 'tcx> { +pub struct FindAllAttrs<'tcx> { tcx: TyCtxt<'tcx>, - attr_names: &'a [Symbol], found_attrs: Vec<&'tcx Attribute>, } -impl FindAllAttrs<'_, 'tcx> { +impl FindAllAttrs<'tcx> { fn is_active_attr(&mut self, attr: &Attribute) -> bool { - for attr_name in self.attr_names { - if self.tcx.sess.check_name(attr, *attr_name) && check_config(self.tcx, attr) { - return true; - } + if self.tcx.sess.check_name(attr, sym::rustc_clean) && check_config(self.tcx, attr) { + return true; } false @@ -506,17 +437,14 @@ impl FindAllAttrs<'_, 'tcx> { fn report_unchecked_attrs(&self, mut checked_attrs: FxHashSet<ast::AttrId>) { for attr in &self.found_attrs { if !checked_attrs.contains(&attr.id) { - self.tcx.sess.span_err( - attr.span, - "found unchecked `#[rustc_dirty]` / `#[rustc_clean]` attribute", - ); + self.tcx.sess.span_err(attr.span, "found unchecked `#[rustc_clean]` attribute"); checked_attrs.insert(attr.id); } } } } -impl intravisit::Visitor<'tcx> for FindAllAttrs<'_, 'tcx> { +impl intravisit::Visitor<'tcx> for FindAllAttrs<'tcx> { type Map = Map<'tcx>; fn nested_visit_map(&mut self) -> intravisit::NestedVisitorMap<Self::Map> { diff --git a/compiler/rustc_incremental/src/persist/fs.rs b/compiler/rustc_incremental/src/persist/fs.rs index 2ed0539841a..83e80b55dae 100644 --- a/compiler/rustc_incremental/src/persist/fs.rs +++ b/compiler/rustc_incremental/src/persist/fs.rs @@ -108,7 +108,7 @@ use rustc_data_structures::svh::Svh; use rustc_data_structures::{base_n, flock}; use rustc_errors::ErrorReported; use rustc_fs_util::{link_or_copy, LinkOrCopy}; -use rustc_session::{Session, StableCrateId}; +use rustc_session::{CrateDisambiguator, Session}; use std::fs as std_fs; use std::io; @@ -189,7 +189,7 @@ pub fn in_incr_comp_dir(incr_comp_session_dir: &Path, file_name: &str) -> PathBu pub fn prepare_session_directory( sess: &Session, crate_name: &str, - stable_crate_id: StableCrateId, + crate_disambiguator: CrateDisambiguator, ) -> Result<(), ErrorReported> { if sess.opts.incremental.is_none() { return Ok(()); @@ -200,7 +200,7 @@ pub fn prepare_session_directory( debug!("prepare_session_directory"); // {incr-comp-dir}/{crate-name-and-disambiguator} - let crate_dir = crate_path(sess, crate_name, stable_crate_id); + let crate_dir = crate_path(sess, crate_name, crate_disambiguator); debug!("crate-dir: {}", crate_dir.display()); create_dir(sess, &crate_dir, "crate")?; @@ -648,12 +648,19 @@ fn string_to_timestamp(s: &str) -> Result<SystemTime, ()> { Ok(UNIX_EPOCH + duration) } -fn crate_path(sess: &Session, crate_name: &str, stable_crate_id: StableCrateId) -> PathBuf { +fn crate_path( + sess: &Session, + crate_name: &str, + crate_disambiguator: CrateDisambiguator, +) -> PathBuf { let incr_dir = sess.opts.incremental.as_ref().unwrap().clone(); - let stable_crate_id = base_n::encode(stable_crate_id.to_u64() as u128, INT_ENCODE_BASE); + // The full crate disambiguator is really long. 64 bits of it should be + // sufficient. + let crate_disambiguator = crate_disambiguator.to_fingerprint().to_smaller_hash(); + let crate_disambiguator = base_n::encode(crate_disambiguator as u128, INT_ENCODE_BASE); - let crate_name = format!("{}-{}", crate_name, stable_crate_id); + let crate_name = format!("{}-{}", crate_name, crate_disambiguator); incr_dir.join(crate_name) } diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index 303c39a39a9..8539cc69371 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -1,7 +1,6 @@ //! Code to save/load the dep-graph from files. use rustc_data_structures::fx::FxHashMap; -use rustc_hir::definitions::DefPathTable; use rustc_middle::dep_graph::{SerializedDepGraph, WorkProduct, WorkProductId}; use rustc_middle::ty::query::OnDiskCache; use rustc_serialize::opaque::Decoder; @@ -196,10 +195,7 @@ pub fn load_dep_graph(sess: &Session) -> DepGraphFuture { /// If we are not in incremental compilation mode, returns `None`. /// Otherwise, tries to load the query result cache from disk, /// creating an empty cache if it could not be loaded. -pub fn load_query_result_cache<'a>( - sess: &'a Session, - def_path_table: &DefPathTable, -) -> Option<OnDiskCache<'a>> { +pub fn load_query_result_cache<'a>(sess: &'a Session) -> Option<OnDiskCache<'a>> { if sess.opts.incremental.is_none() { return None; } @@ -212,7 +208,7 @@ pub fn load_query_result_cache<'a>( sess.is_nightly_build(), ) { LoadResult::Ok { data: (bytes, start_pos) } => { - Some(OnDiskCache::new(sess, bytes, start_pos, def_path_table)) + Some(OnDiskCache::new(sess, bytes, start_pos)) } _ => Some(OnDiskCache::new_empty(sess.source_map())), } diff --git a/compiler/rustc_incremental/src/persist/save.rs b/compiler/rustc_incremental/src/persist/save.rs index 9603b102cbc..a8455854ebb 100644 --- a/compiler/rustc_incremental/src/persist/save.rs +++ b/compiler/rustc_incremental/src/persist/save.rs @@ -229,6 +229,7 @@ pub fn build_dep_graph( } Some(DepGraph::new( + &sess.prof, prev_graph, prev_work_products, encoder, diff --git a/compiler/rustc_index/src/lib.rs b/compiler/rustc_index/src/lib.rs index 04d62391c02..0093fa5e562 100644 --- a/compiler/rustc_index/src/lib.rs +++ b/compiler/rustc_index/src/lib.rs @@ -1,12 +1,10 @@ #![feature(allow_internal_unstable)] #![feature(bench_black_box)] -#![feature(const_panic)] #![feature(extend_one)] #![feature(iter_zip)] #![feature(unboxed_closures)] #![feature(test)] #![feature(fn_traits)] -#![feature(trusted_step)] pub mod bit_set; pub mod vec; diff --git a/compiler/rustc_index/src/vec.rs b/compiler/rustc_index/src/vec.rs index 3f759f4023b..246fa28d986 100644 --- a/compiler/rustc_index/src/vec.rs +++ b/compiler/rustc_index/src/vec.rs @@ -65,7 +65,7 @@ impl Idx for u32 { /// `u32::MAX`. You can also customize things like the `Debug` impl, /// what traits are derived, and so forth via the macro. #[macro_export] -#[allow_internal_unstable(step_trait, rustc_attrs)] +#[allow_internal_unstable(step_trait, rustc_attrs, trusted_step)] macro_rules! newtype_index { // ---- public rules ---- diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index b8ecc949588..c3c28d70081 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -660,7 +660,12 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for QueryTypeRelatingDelegate<'_, 'tcx> { ) } - fn push_outlives(&mut self, sup: ty::Region<'tcx>, sub: ty::Region<'tcx>) { + fn push_outlives( + &mut self, + sup: ty::Region<'tcx>, + sub: ty::Region<'tcx>, + _info: ty::VarianceDiagInfo<'tcx>, + ) { self.obligations.push(Obligation { cause: self.cause.clone(), param_env: self.param_env, diff --git a/compiler/rustc_infer/src/infer/combine.rs b/compiler/rustc_infer/src/infer/combine.rs index 30214e94203..3a11b5a2144 100644 --- a/compiler/rustc_infer/src/infer/combine.rs +++ b/compiler/rustc_infer/src/infer/combine.rs @@ -371,9 +371,12 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { match dir { EqTo => self.equate(a_is_expected).relate(a_ty, b_ty), SubtypeOf => self.sub(a_is_expected).relate(a_ty, b_ty), - SupertypeOf => { - self.sub(a_is_expected).relate_with_variance(ty::Contravariant, a_ty, b_ty) - } + SupertypeOf => self.sub(a_is_expected).relate_with_variance( + ty::Contravariant, + ty::VarianceDiagInfo::default(), + a_ty, + b_ty, + ), }?; Ok(()) @@ -574,6 +577,7 @@ impl TypeRelation<'tcx> for Generalizer<'_, 'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -737,7 +741,12 @@ impl TypeRelation<'tcx> for Generalizer<'_, 'tcx> { if self.tcx().lazy_normalization() => { assert_eq!(promoted, None); - let substs = self.relate_with_variance(ty::Variance::Invariant, substs, substs)?; + let substs = self.relate_with_variance( + ty::Variance::Invariant, + ty::VarianceDiagInfo::default(), + substs, + substs, + )?; Ok(self.tcx().mk_const(ty::Const { ty: c.ty, val: ty::ConstKind::Unevaluated(ty::Unevaluated { def, substs, promoted }), @@ -831,6 +840,7 @@ impl TypeRelation<'tcx> for ConstInferUnifier<'_, 'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, _variance: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -965,7 +975,12 @@ impl TypeRelation<'tcx> for ConstInferUnifier<'_, 'tcx> { if self.tcx().lazy_normalization() => { assert_eq!(promoted, None); - let substs = self.relate_with_variance(ty::Variance::Invariant, substs, substs)?; + let substs = self.relate_with_variance( + ty::Variance::Invariant, + ty::VarianceDiagInfo::default(), + substs, + substs, + )?; Ok(self.tcx().mk_const(ty::Const { ty: c.ty, val: ty::ConstKind::Unevaluated(ty::Unevaluated { def, substs, promoted }), diff --git a/compiler/rustc_infer/src/infer/equate.rs b/compiler/rustc_infer/src/infer/equate.rs index 45ba50bb634..0c93271a1ae 100644 --- a/compiler/rustc_infer/src/infer/equate.rs +++ b/compiler/rustc_infer/src/infer/equate.rs @@ -59,6 +59,7 @@ impl TypeRelation<'tcx> for Equate<'combine, 'infcx, 'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, _: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 680f6af63f2..fb762d2deba 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -524,7 +524,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { } fn path_crate(self, cnum: CrateNum) -> Result<Self::Path, Self::Error> { - Ok(vec![self.tcx.original_crate_name(cnum).to_string()]) + Ok(vec![self.tcx.crate_name(cnum).to_string()]) } fn path_qualified( self, diff --git a/compiler/rustc_infer/src/infer/glb.rs b/compiler/rustc_infer/src/infer/glb.rs index 02662043dba..60f02b84aa3 100644 --- a/compiler/rustc_infer/src/infer/glb.rs +++ b/compiler/rustc_infer/src/infer/glb.rs @@ -43,6 +43,7 @@ impl TypeRelation<'tcx> for Glb<'combine, 'infcx, 'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -96,7 +97,7 @@ impl TypeRelation<'tcx> for Glb<'combine, 'infcx, 'tcx> { // When higher-ranked types are involved, computing the LUB is // very challenging, switch to invariance. This is obviously // overly conservative but works ok in practice. - self.relate_with_variance(ty::Variance::Invariant, a, b)?; + self.relate_with_variance(ty::Variance::Invariant, ty::VarianceDiagInfo::default(), a, b)?; Ok(a) } } diff --git a/compiler/rustc_infer/src/infer/lub.rs b/compiler/rustc_infer/src/infer/lub.rs index 4fa8f2f1a6a..a08323535c5 100644 --- a/compiler/rustc_infer/src/infer/lub.rs +++ b/compiler/rustc_infer/src/infer/lub.rs @@ -43,6 +43,7 @@ impl TypeRelation<'tcx> for Lub<'combine, 'infcx, 'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -96,7 +97,7 @@ impl TypeRelation<'tcx> for Lub<'combine, 'infcx, 'tcx> { // When higher-ranked types are involved, computing the LUB is // very challenging, switch to invariance. This is obviously // overly conservative but works ok in practice. - self.relate_with_variance(ty::Variance::Invariant, a, b)?; + self.relate_with_variance(ty::Variance::Invariant, ty::VarianceDiagInfo::default(), a, b)?; Ok(a) } } diff --git a/compiler/rustc_infer/src/infer/nll_relate/mod.rs b/compiler/rustc_infer/src/infer/nll_relate/mod.rs index 077d2cc20a2..20be06adfd0 100644 --- a/compiler/rustc_infer/src/infer/nll_relate/mod.rs +++ b/compiler/rustc_infer/src/infer/nll_relate/mod.rs @@ -55,6 +55,8 @@ where /// - Bivariant means that it doesn't matter. ambient_variance: ty::Variance, + ambient_variance_info: ty::VarianceDiagInfo<'tcx>, + /// When we pass through a set of binders (e.g., when looking into /// a `fn` type), we push a new bound region scope onto here. This /// will contain the instantiated region for each region in those @@ -78,7 +80,12 @@ pub trait TypeRelatingDelegate<'tcx> { /// satisfied for the two types to be related. `sub` and `sup` may /// be regions from the type or new variables created through the /// delegate. - fn push_outlives(&mut self, sup: ty::Region<'tcx>, sub: ty::Region<'tcx>); + fn push_outlives( + &mut self, + sup: ty::Region<'tcx>, + sub: ty::Region<'tcx>, + info: ty::VarianceDiagInfo<'tcx>, + ); fn const_equate(&mut self, a: &'tcx ty::Const<'tcx>, b: &'tcx ty::Const<'tcx>); @@ -138,7 +145,14 @@ where delegate: D, ambient_variance: ty::Variance, ) -> Self { - Self { infcx, delegate, ambient_variance, a_scopes: vec![], b_scopes: vec![] } + Self { + infcx, + delegate, + ambient_variance, + ambient_variance_info: ty::VarianceDiagInfo::default(), + a_scopes: vec![], + b_scopes: vec![], + } } fn ambient_covariance(&self) -> bool { @@ -239,10 +253,15 @@ where /// Push a new outlives requirement into our output set of /// constraints. - fn push_outlives(&mut self, sup: ty::Region<'tcx>, sub: ty::Region<'tcx>) { + fn push_outlives( + &mut self, + sup: ty::Region<'tcx>, + sub: ty::Region<'tcx>, + info: ty::VarianceDiagInfo<'tcx>, + ) { debug!("push_outlives({:?}: {:?})", sup, sub); - self.delegate.push_outlives(sup, sub); + self.delegate.push_outlives(sup, sub, info); } /// Relate a projection type and some value type lazily. This will always @@ -490,6 +509,7 @@ where fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -497,6 +517,7 @@ where let old_ambient_variance = self.ambient_variance; self.ambient_variance = self.ambient_variance.xform(variance); + self.ambient_variance_info = self.ambient_variance_info.clone().xform(info); debug!("relate_with_variance: ambient_variance = {:?}", self.ambient_variance); @@ -574,12 +595,12 @@ where if self.ambient_covariance() { // Covariance: a <= b. Hence, `b: a`. - self.push_outlives(v_b, v_a); + self.push_outlives(v_b, v_a, self.ambient_variance_info.clone()); } if self.ambient_contravariance() { // Contravariant: b <= a. Hence, `a: b`. - self.push_outlives(v_a, v_b); + self.push_outlives(v_a, v_b, self.ambient_variance_info.clone()); } Ok(a) @@ -835,6 +856,7 @@ where fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { diff --git a/compiler/rustc_infer/src/infer/sub.rs b/compiler/rustc_infer/src/infer/sub.rs index bf5f328233d..b3131936ae0 100644 --- a/compiler/rustc_infer/src/infer/sub.rs +++ b/compiler/rustc_infer/src/infer/sub.rs @@ -62,6 +62,7 @@ impl TypeRelation<'tcx> for Sub<'combine, 'infcx, 'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs index 6b452bca8e7..ee358c52c2f 100644 --- a/compiler/rustc_infer/src/lib.rs +++ b/compiler/rustc_infer/src/lib.rs @@ -16,14 +16,12 @@ #![feature(bool_to_option)] #![feature(box_patterns)] #![feature(box_syntax)] -#![feature(const_panic)] #![feature(extend_one)] #![feature(iter_zip)] #![feature(never_type)] #![feature(in_band_lifetimes)] #![feature(control_flow_enum)] #![feature(min_specialization)] -#![feature(trusted_step)] #![recursion_limit = "512"] // For rustdoc #[macro_use] diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs index f2b69da3f86..b5af2bfca35 100644 --- a/compiler/rustc_interface/src/lib.rs +++ b/compiler/rustc_interface/src/lib.rs @@ -1,6 +1,5 @@ #![feature(bool_to_option)] #![feature(box_patterns)] -#![feature(box_syntax)] #![feature(internal_output_capture)] #![feature(nll)] #![feature(generator_trait)] diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index dd4caab28dc..cfe65c5372d 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -12,7 +12,7 @@ use rustc_data_structures::temp_dir::MaybeTempDir; use rustc_data_structures::{box_region_allow_access, declare_box_region_type, parallel}; use rustc_errors::{ErrorReported, PResult}; use rustc_expand::base::ExtCtxt; -use rustc_hir::def_id::{StableCrateId, LOCAL_CRATE}; +use rustc_hir::def_id::LOCAL_CRATE; use rustc_hir::Crate; use rustc_lint::LintStore; use rustc_metadata::creader::CStore; @@ -170,13 +170,9 @@ pub fn register_plugins<'a>( let crate_types = util::collect_crate_types(sess, &krate.attrs); sess.init_crate_types(crate_types); - let stable_crate_id = StableCrateId::new( - crate_name, - sess.crate_types().contains(&CrateType::Executable), - sess.opts.cg.metadata.clone(), - ); - sess.stable_crate_id.set(stable_crate_id).expect("not yet initialized"); - rustc_incremental::prepare_session_directory(sess, &crate_name, stable_crate_id)?; + let disambiguator = util::compute_crate_disambiguator(sess); + sess.crate_disambiguator.set(disambiguator).expect("not yet initialized"); + rustc_incremental::prepare_session_directory(sess, &crate_name, disambiguator)?; if sess.opts.incremental.is_some() { sess.time("incr_comp_garbage_collect_session_directories", || { @@ -769,9 +765,7 @@ pub fn create_global_ctxt<'tcx>( ) -> QueryContext<'tcx> { let sess = &compiler.session(); - let def_path_table = resolver_outputs.definitions.def_path_table(); - let query_result_on_disk_cache = - rustc_incremental::load_query_result_cache(sess, def_path_table); + let query_result_on_disk_cache = rustc_incremental::load_query_result_cache(sess); let codegen_backend = compiler.codegen_backend(); let mut local_providers = *DEFAULT_QUERY_PROVIDERS; @@ -799,7 +793,7 @@ pub fn create_global_ctxt<'tcx>( query_result_on_disk_cache, queries.as_dyn(), &crate_name, - &outputs, + outputs, ) }) }); @@ -985,7 +979,7 @@ fn encode_and_write_metadata( .tempdir_in(out_filename.parent().unwrap()) .unwrap_or_else(|err| tcx.sess.fatal(&format!("couldn't create a temp dir: {}", err))); let metadata_tmpdir = MaybeTempDir::new(metadata_tmpdir, tcx.sess.opts.cg.save_temps); - let metadata_filename = emit_metadata(tcx.sess, &metadata, &metadata_tmpdir); + let metadata_filename = emit_metadata(tcx.sess, &metadata.raw_data, &metadata_tmpdir); if let Err(e) = util::non_durable_rename(&metadata_filename, &out_filename) { tcx.sess.fatal(&format!("failed to write {}: {}", out_filename.display(), e)); } diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs index 969b526235b..2320f0b47d2 100644 --- a/compiler/rustc_interface/src/queries.rs +++ b/compiler/rustc_interface/src/queries.rs @@ -245,8 +245,7 @@ impl<'tcx> Queries<'tcx> { self.prepare_outputs.compute(|| { let expansion_result = self.expansion()?; let (krate, boxed_resolver, _) = &*expansion_result.peek(); - let crate_name = self.crate_name()?; - let crate_name = crate_name.peek(); + let crate_name = self.crate_name()?.peek(); passes::prepare_outputs( self.session(), self.compiler, @@ -343,32 +342,36 @@ impl<'tcx> Queries<'tcx> { } pub fn linker(&'tcx self) -> Result<Linker> { - let dep_graph = self.dep_graph()?; - let prepare_outputs = self.prepare_outputs()?; - let crate_hash = self.global_ctxt()?.peek_mut().enter(|tcx| tcx.crate_hash(LOCAL_CRATE)); - let ongoing_codegen = self.ongoing_codegen()?; - let sess = self.session().clone(); let codegen_backend = self.codegen_backend().clone(); + let dep_graph = self.dep_graph()?.peek().clone(); + let prepare_outputs = self.prepare_outputs()?.take(); + let crate_hash = self.global_ctxt()?.peek_mut().enter(|tcx| tcx.crate_hash(LOCAL_CRATE)); + let ongoing_codegen = self.ongoing_codegen()?.take(); + Ok(Linker { sess, - dep_graph: dep_graph.peek().clone(), - prepare_outputs: prepare_outputs.take(), - crate_hash, - ongoing_codegen: ongoing_codegen.take(), codegen_backend, + + dep_graph, + prepare_outputs, + crate_hash, + ongoing_codegen, }) } } pub struct Linker { + // compilation inputs sess: Lrc<Session>, + codegen_backend: Lrc<Box<dyn CodegenBackend>>, + + // compilation outputs dep_graph: DepGraph, prepare_outputs: OutputFilenames, crate_hash: Svh, ongoing_codegen: Box<dyn Any>, - codegen_backend: Lrc<Box<dyn CodegenBackend>>, } impl Linker { diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index 15cda299208..6485fbebd66 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -2,9 +2,11 @@ use rustc_ast::mut_visit::{visit_clobber, MutVisitor, *}; use rustc_ast::ptr::P; use rustc_ast::{self as ast, AttrVec, BlockCheckMode}; use rustc_codegen_ssa::traits::CodegenBackend; +use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; #[cfg(parallel_compiler)] use rustc_data_structures::jobserver; +use rustc_data_structures::stable_hasher::StableHasher; use rustc_data_structures::sync::Lrc; use rustc_errors::registry::Registry; use rustc_metadata::dynamic_lib::DynamicLibrary; @@ -16,6 +18,7 @@ use rustc_session::config::{self, CrateType}; use rustc_session::config::{ErrorOutputType, Input, OutputFilenames}; use rustc_session::lint::{self, BuiltinLintDiagnostics, LintBuffer}; use rustc_session::parse::CrateConfig; +use rustc_session::CrateDisambiguator; use rustc_session::{early_error, filesearch, output, DiagnosticOutput, Session}; use rustc_span::edition::Edition; use rustc_span::lev_distance::find_best_match_for_name; @@ -32,7 +35,7 @@ use std::ops::DerefMut; use std::panic; use std::path::{Path, PathBuf}; use std::sync::atomic::{AtomicBool, Ordering}; -use std::sync::{Arc, Mutex, Once}; +use std::sync::{Arc, Mutex}; use std::thread; use tracing::info; @@ -73,7 +76,10 @@ pub fn create_session( let codegen_backend = if let Some(make_codegen_backend) = make_codegen_backend { make_codegen_backend(&sopts) } else { - get_codegen_backend(&sopts) + get_codegen_backend( + &sopts.maybe_sysroot, + sopts.debugging_opts.codegen_backend.as_ref().map(|name| &name[..]), + ) }; // target_override is documented to be called before init(), so this is okay @@ -241,35 +247,34 @@ fn load_backend_from_dylib(path: &Path) -> fn() -> Box<dyn CodegenBackend> { } } -pub fn get_codegen_backend(sopts: &config::Options) -> Box<dyn CodegenBackend> { - static INIT: Once = Once::new(); - - static mut LOAD: fn() -> Box<dyn CodegenBackend> = || unreachable!(); +/// Get the codegen backend based on the name and specified sysroot. +/// +/// A name of `None` indicates that the default backend should be used. +pub fn get_codegen_backend( + maybe_sysroot: &Option<PathBuf>, + backend_name: Option<&str>, +) -> Box<dyn CodegenBackend> { + static LOAD: SyncOnceCell<unsafe fn() -> Box<dyn CodegenBackend>> = SyncOnceCell::new(); - INIT.call_once(|| { + let load = LOAD.get_or_init(|| { #[cfg(feature = "llvm")] const DEFAULT_CODEGEN_BACKEND: &str = "llvm"; #[cfg(not(feature = "llvm"))] const DEFAULT_CODEGEN_BACKEND: &str = "cranelift"; - let codegen_name = sopts - .debugging_opts - .codegen_backend - .as_ref() - .map(|name| &name[..]) - .unwrap_or(DEFAULT_CODEGEN_BACKEND); - - let backend = match codegen_name { + match backend_name.unwrap_or(DEFAULT_CODEGEN_BACKEND) { filename if filename.contains('.') => load_backend_from_dylib(filename.as_ref()), - codegen_name => get_builtin_codegen_backend(&sopts.maybe_sysroot, codegen_name), - }; - - unsafe { - LOAD = backend; + #[cfg(feature = "llvm")] + "llvm" => rustc_codegen_llvm::LlvmCodegenBackend::new, + backend_name => get_codegen_sysroot(maybe_sysroot, backend_name), } }); - unsafe { LOAD() } + + // SAFETY: In case of a builtin codegen backend this is safe. In case of an external codegen + // backend we hope that the backend links against the same rustc_driver version. If this is not + // the case, we get UB. + unsafe { load() } } // This is used for rustdoc, but it uses similar machinery to codegen backend @@ -387,17 +392,6 @@ fn sysroot_candidates() -> Vec<PathBuf> { } } -pub fn get_builtin_codegen_backend( - maybe_sysroot: &Option<PathBuf>, - backend_name: &str, -) -> fn() -> Box<dyn CodegenBackend> { - match backend_name { - #[cfg(feature = "llvm")] - "llvm" => rustc_codegen_llvm::LlvmCodegenBackend::new, - _ => get_codegen_sysroot(maybe_sysroot, backend_name), - } -} - pub fn get_codegen_sysroot( maybe_sysroot: &Option<PathBuf>, backend_name: &str, @@ -493,6 +487,39 @@ pub fn get_codegen_sysroot( } } +pub(crate) fn compute_crate_disambiguator(session: &Session) -> CrateDisambiguator { + use std::hash::Hasher; + + // The crate_disambiguator is a 128 bit hash. The disambiguator is fed + // into various other hashes quite a bit (symbol hashes, incr. comp. hashes, + // debuginfo type IDs, etc), so we don't want it to be too wide. 128 bits + // should still be safe enough to avoid collisions in practice. + let mut hasher = StableHasher::new(); + + let mut metadata = session.opts.cg.metadata.clone(); + // We don't want the crate_disambiguator to dependent on the order + // -C metadata arguments, so sort them: + metadata.sort(); + // Every distinct -C metadata value is only incorporated once: + metadata.dedup(); + + hasher.write(b"metadata"); + for s in &metadata { + // Also incorporate the length of a metadata string, so that we generate + // different values for `-Cmetadata=ab -Cmetadata=c` and + // `-Cmetadata=a -Cmetadata=bc` + hasher.write_usize(s.len()); + hasher.write(s.as_bytes()); + } + + // Also incorporate crate type, so that we don't get symbol conflicts when + // linking against a library of the same name, if this is an executable. + let is_exe = session.crate_types().contains(&CrateType::Executable); + hasher.write(if is_exe { b"exe" } else { b"lib" }); + + CrateDisambiguator::from(hasher.finish::<Fingerprint>()) +} + pub(crate) fn check_attr_crate_type( sess: &Session, attrs: &[ast::Attribute], diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index e7275374b89..f6a84966f7a 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -489,7 +489,7 @@ fn has_doc(sess: &Session, attr: &ast::Attribute) -> bool { if let Some(list) = attr.meta_item_list() { for meta in list { - if meta.has_name(sym::include) || meta.has_name(sym::hidden) { + if meta.has_name(sym::hidden) { return true; } } diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index c1d6a4f1de1..a8df1b0952c 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -334,8 +334,14 @@ impl LintStore { } } - /// Checks the validity of lint names derived from the command line - pub fn check_lint_name_cmdline(&self, sess: &Session, lint_name: &str, level: Level) { + /// Checks the validity of lint names derived from the command line. Returns + /// true if the lint is valid, false otherwise. + pub fn check_lint_name_cmdline( + &self, + sess: &Session, + lint_name: &str, + level: Option<Level>, + ) -> bool { let db = match self.check_lint_name(lint_name, None) { CheckLintNameResult::Ok(_) => None, CheckLintNameResult::Warning(ref msg, _) => Some(sess.struct_warn(msg)), @@ -361,18 +367,23 @@ impl LintStore { }; if let Some(mut db) = db { - let msg = format!( - "requested on the command line with `{} {}`", - match level { - Level::Allow => "-A", - Level::Warn => "-W", - Level::Deny => "-D", - Level::Forbid => "-F", - }, - lint_name - ); - db.note(&msg); + if let Some(level) = level { + let msg = format!( + "requested on the command line with `{} {}`", + match level { + Level::Allow => "-A", + Level::Warn => "-W", + Level::Deny => "-D", + Level::Forbid => "-F", + }, + lint_name + ); + db.note(&msg); + } db.emit(); + false + } else { + true } } @@ -922,7 +933,7 @@ impl<'tcx> LateContext<'tcx> { } fn path_crate(self, cnum: CrateNum) -> Result<Self::Path, Self::Error> { - Ok(vec![self.tcx.original_crate_name(cnum)]) + Ok(vec![self.tcx.crate_name(cnum)]) } fn path_qualified( diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index 91cdef9b089..0ee434f5fb5 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -88,7 +88,7 @@ impl<'s> LintLevelsBuilder<'s> { self.sets.lint_cap = sess.opts.lint_cap.unwrap_or(Level::Forbid); for &(ref lint_name, level) in &sess.opts.lint_opts { - store.check_lint_name_cmdline(sess, &lint_name, level); + store.check_lint_name_cmdline(sess, &lint_name, Some(level)); let orig_level = level; // If the cap is less than this specified level, e.g., if we've got @@ -109,6 +109,16 @@ impl<'s> LintLevelsBuilder<'s> { } } + for lint_name in &sess.opts.force_warns { + let valid = store.check_lint_name_cmdline(sess, lint_name, None); + if valid { + let lints = store + .find_lints(lint_name) + .unwrap_or_else(|_| bug!("A valid lint failed to produce a lint ids")); + self.sets.force_warns.extend(&lints); + } + } + self.sets.list.push(LintSet::CommandLine { specs }); } @@ -142,6 +152,9 @@ impl<'s> LintLevelsBuilder<'s> { LintLevelSource::Default => false, LintLevelSource::Node(symbol, _, _) => self.store.is_lint_group(symbol), LintLevelSource::CommandLine(symbol, _) => self.store.is_lint_group(symbol), + LintLevelSource::ForceWarn(_symbol) => { + bug!("forced warn lint returned a forbid lint level") + } }; debug!( "fcw_warning={:?}, specs.get(&id) = {:?}, old_src={:?}, id_name={:?}", @@ -166,6 +179,7 @@ impl<'s> LintLevelsBuilder<'s> { LintLevelSource::CommandLine(_, _) => { diag_builder.note("`forbid` lint level was set on command line"); } + _ => bug!("forced warn lint returned a forbid lint level"), } diag_builder.emit(); }; diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index 45ed6872f18..4f59460aa82 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -36,8 +36,6 @@ #![feature(iter_zip)] #![feature(never_type)] #![feature(nll)] -#![feature(half_open_range_patterns)] -#![feature(exclusive_range_pattern)] #![feature(control_flow_enum)] #![recursion_limit = "256"] diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index 9c94bab04e9..a3a87a48768 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -5,7 +5,6 @@ use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::{is_range_literal, ExprKind, Node}; -use rustc_index::vec::Idx; use rustc_middle::ty::layout::{IntegerExt, SizeSkeleton}; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::{self, AdtKind, Ty, TyCtxt, TypeFoldable}; @@ -13,7 +12,7 @@ use rustc_span::source_map; use rustc_span::symbol::sym; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::Abi; -use rustc_target::abi::{Integer, LayoutOf, TagEncoding, VariantIdx, Variants}; +use rustc_target::abi::{Integer, LayoutOf, TagEncoding, Variants}; use rustc_target::spec::abi::Abi as SpecAbi; use std::cmp; @@ -680,16 +679,11 @@ pub fn transparent_newtype_field<'a, 'tcx>( variant: &'a ty::VariantDef, ) -> Option<&'a ty::FieldDef> { let param_env = tcx.param_env(variant.def_id); - for field in &variant.fields { + variant.fields.iter().find(|field| { let field_ty = tcx.type_of(field.did); let is_zst = tcx.layout_of(param_env.and(field_ty)).map_or(false, |layout| layout.is_zst()); - - if !is_zst { - return Some(field); - } - } - - None + !is_zst + }) } /// Is type known to be non-null? @@ -712,15 +706,10 @@ fn ty_is_known_nonnull<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, mode: CItemKi return false; } - for variant in &def.variants { - if let Some(field) = transparent_newtype_field(cx.tcx, variant) { - if ty_is_known_nonnull(cx, field.ty(tcx, substs), mode) { - return true; - } - } - } - - false + def.variants + .iter() + .filter_map(|variant| transparent_newtype_field(cx.tcx, variant)) + .any(|field| ty_is_known_nonnull(cx, field.ty(tcx, substs), mode)) } _ => false, } @@ -783,25 +772,14 @@ crate fn repr_nullable_ptr<'tcx>( ) -> Option<Ty<'tcx>> { debug!("is_repr_nullable_ptr(cx, ty = {:?})", ty); if let ty::Adt(ty_def, substs) = ty.kind() { - if ty_def.variants.len() != 2 { - return None; - } - - let get_variant_fields = |index| &ty_def.variants[VariantIdx::new(index)].fields; - let variant_fields = [get_variant_fields(0), get_variant_fields(1)]; - let fields = if variant_fields[0].is_empty() { - &variant_fields[1] - } else if variant_fields[1].is_empty() { - &variant_fields[0] - } else { - return None; + let field_ty = match &ty_def.variants.raw[..] { + [var_one, var_two] => match (&var_one.fields[..], &var_two.fields[..]) { + ([], [field]) | ([field], []) => field.ty(cx.tcx, substs), + _ => return None, + }, + _ => return None, }; - if fields.len() != 1 { - return None; - } - - let field_ty = fields[0].ty(cx.tcx, substs); if !ty_is_known_nonnull(cx, field_ty, ckind) { return None; } @@ -921,11 +899,18 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { } match *ty.kind() { - ty::Adt(def, _) if def.is_box() && matches!(self.mode, CItemKind::Definition) => { - FfiSafe - } - ty::Adt(def, substs) => { + if def.is_box() && matches!(self.mode, CItemKind::Definition) { + if ty.boxed_ty().is_sized(tcx.at(DUMMY_SP), self.cx.param_env) { + return FfiSafe; + } else { + return FfiUnsafe { + ty, + reason: format!("box cannot be represented as a single pointer"), + help: None, + }; + } + } if def.is_phantom_data() { return FfiPhantom(ty); } diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 15246971bae..352146d6463 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -2994,6 +2994,7 @@ declare_lint_pass! { USELESS_DEPRECATED, UNSUPPORTED_NAKED_FUNCTIONS, MISSING_ABI, + INVALID_DOC_ATTRIBUTES, SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, DISJOINT_CAPTURE_MIGRATION, LEGACY_DERIVE_HELPERS, diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 70475563a4a..f1c4e5fb4a3 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -25,7 +25,11 @@ macro_rules! pluralize { /// before applying the suggestion. #[derive(Copy, Clone, Debug, PartialEq, Hash, Encodable, Decodable)] pub enum Applicability { - /// The suggestion is definitely what the user intended. This suggestion should be + /// The suggestion is definitely what the user intended, or maintains the exact meaning of the code. + /// This suggestion should be automatically applied. + /// + /// In case of multiple `MachineApplicable` suggestions (whether as part of + /// the same `multipart_suggestion` or not), all of them should be /// automatically applied. MachineApplicable, diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs index 301ed639f3b..452d1b19a18 100644 --- a/compiler/rustc_llvm/build.rs +++ b/compiler/rustc_llvm/build.rs @@ -86,6 +86,7 @@ fn main() { "nvptx", "hexagon", "riscv", + "bpf", ]; let required_components = &[ diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index 2e135fbe2bd..9b757eb40c1 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -6,6 +6,7 @@ #include "llvm/IR/Instructions.h" #include "llvm/IR/Intrinsics.h" #include "llvm/Object/Archive.h" +#include "llvm/Object/COFFImportFile.h" #include "llvm/Object/ObjectFile.h" #include "llvm/Bitcode/BitcodeWriterPass.h" #include "llvm/Support/Signals.h" @@ -70,17 +71,6 @@ extern "C" void LLVMRustInstallFatalErrorHandler() { install_fatal_error_handler(FatalErrorHandler); } -extern "C" LLVMMemoryBufferRef -LLVMRustCreateMemoryBufferWithContentsOfFile(const char *Path) { - ErrorOr<std::unique_ptr<MemoryBuffer>> BufOr = - MemoryBuffer::getFile(Path, -1, false); - if (!BufOr) { - LLVMRustSetLastError(BufOr.getError().message().c_str()); - return nullptr; - } - return wrap(BufOr.get().release()); -} - extern "C" char *LLVMRustGetLastError(void) { char *Ret = LastError; LastError = nullptr; @@ -1077,30 +1067,6 @@ extern "C" void LLVMRustWriteValueToString(LLVMValueRef V, } } -// Note that the two following functions look quite similar to the -// LLVMGetSectionName function. Sadly, it appears that this function only -// returns a char* pointer, which isn't guaranteed to be null-terminated. The -// function provided by LLVM doesn't return the length, so we've created our own -// function which returns the length as well as the data pointer. -// -// For an example of this not returning a null terminated string, see -// lib/Object/COFFObjectFile.cpp in the getSectionName function. One of the -// branches explicitly creates a StringRef without a null terminator, and then -// that's returned. - -inline section_iterator *unwrap(LLVMSectionIteratorRef SI) { - return reinterpret_cast<section_iterator *>(SI); -} - -extern "C" size_t LLVMRustGetSectionName(LLVMSectionIteratorRef SI, - const char **Ptr) { - auto NameOrErr = (*unwrap(SI))->getName(); - if (!NameOrErr) - report_fatal_error(NameOrErr.takeError()); - *Ptr = NameOrErr->data(); - return NameOrErr->size(); -} - // LLVMArrayType function does not support 64-bit ElementCount extern "C" LLVMTypeRef LLVMRustArrayType(LLVMTypeRef ElementTy, uint64_t ElementCount) { @@ -1757,3 +1723,54 @@ extern "C" LLVMValueRef LLVMRustBuildMaxNum(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS) { return wrap(unwrap(B)->CreateMaxNum(unwrap(LHS),unwrap(RHS))); } + +// This struct contains all necessary info about a symbol exported from a DLL. +// At the moment, it's just the symbol's name, but we use a separate struct to +// make it easier to add other information like ordinal later. +struct LLVMRustCOFFShortExport { + const char* name; +}; + +// Machine must be a COFF machine type, as defined in PE specs. +extern "C" LLVMRustResult LLVMRustWriteImportLibrary( + const char* ImportName, + const char* Path, + const LLVMRustCOFFShortExport* Exports, + size_t NumExports, + uint16_t Machine, + bool MinGW) +{ + std::vector<llvm::object::COFFShortExport> ConvertedExports; + ConvertedExports.reserve(NumExports); + + for (size_t i = 0; i < NumExports; ++i) { + ConvertedExports.push_back(llvm::object::COFFShortExport{ + Exports[i].name, // Name + std::string{}, // ExtName + std::string{}, // SymbolName + std::string{}, // AliasTarget + 0, // Ordinal + false, // Noname + false, // Data + false, // Private + false // Constant + }); + } + + auto Error = llvm::object::writeImportLibrary( + ImportName, + Path, + ConvertedExports, + static_cast<llvm::COFF::MachineTypes>(Machine), + MinGW); + if (Error) { + std::string errorString; + llvm::raw_string_ostream stream(errorString); + stream << Error; + stream.flush(); + LLVMRustSetLastError(errorString.c_str()); + return LLVMRustResult::Failure; + } else { + return LLVMRustResult::Success; + } +} diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs index 555aefb1929..122627eb500 100644 --- a/compiler/rustc_llvm/src/lib.rs +++ b/compiler/rustc_llvm/src/lib.rs @@ -167,4 +167,12 @@ pub fn initialize_available_targets() { LLVMInitializeWebAssemblyAsmPrinter, LLVMInitializeWebAssemblyAsmParser ); + init_target!( + llvm_component = "bpf", + LLVMInitializeBPFTargetInfo, + LLVMInitializeBPFTarget, + LLVMInitializeBPFTargetMC, + LLVMInitializeBPFAsmPrinter, + LLVMInitializeBPFAsmParser + ); } diff --git a/compiler/rustc_macros/src/serialize.rs b/compiler/rustc_macros/src/serialize.rs index 72bd4804e98..7bc669f2b00 100644 --- a/compiler/rustc_macros/src/serialize.rs +++ b/compiler/rustc_macros/src/serialize.rs @@ -43,12 +43,9 @@ fn decodable_body( let decode_body = match s.variants() { [vi] => { let construct = vi.construct(|field, index| decode_field(field, index, true)); - let n_fields = vi.ast().fields.len(); quote! { ::rustc_serialize::Decoder::read_struct( __decoder, - #ty_name, - #n_fields, |__decoder| { ::std::result::Result::Ok(#construct) }, ) } @@ -77,7 +74,6 @@ fn decodable_body( quote! { ::rustc_serialize::Decoder::read_enum( __decoder, - #ty_name, |__decoder| { ::rustc_serialize::Decoder::read_enum_variant( __decoder, @@ -128,7 +124,7 @@ fn decode_field(field: &syn::Field, index: usize, is_struct: bool) -> proc_macro quote! { match ::rustc_serialize::Decoder::#decode_method( - __decoder, #opt_field_name #index, #decode_inner_method) { + __decoder, #opt_field_name #decode_inner_method) { ::std::result::Result::Ok(__res) => __res, ::std::result::Result::Err(__err) => return ::std::result::Result::Err(__err), } @@ -183,7 +179,6 @@ fn encodable_body( } }); - let ty_name = s.ast().ident.to_string(); let encode_body = match s.variants() { [_] => { let mut field_idx = 0usize; @@ -197,11 +192,12 @@ fn encodable_body( .ident .as_ref() .map_or_else(|| field_idx.to_string(), |i| i.to_string()); + let first = field_idx == 0; let result = quote! { match ::rustc_serialize::Encoder::emit_struct_field( __encoder, #field_name, - #field_idx, + #first, |__encoder| ::rustc_serialize::Encodable::<#encoder_ty>::encode(#bind_ident, __encoder), ) { @@ -215,8 +211,9 @@ fn encodable_body( }) .collect::<TokenStream>() }); + let no_fields = field_idx == 0; quote! { - ::rustc_serialize::Encoder::emit_struct(__encoder, #ty_name, #field_idx, |__encoder| { + ::rustc_serialize::Encoder::emit_struct(__encoder, #no_fields, |__encoder| { ::std::result::Result::Ok(match *self { #encode_inner }) }) } @@ -232,10 +229,11 @@ fn encodable_body( .iter() .map(|binding| { let bind_ident = &binding.binding; + let first = field_idx == 0; let result = quote! { match ::rustc_serialize::Encoder::emit_enum_variant_arg( __encoder, - #field_idx, + #first, |__encoder| ::rustc_serialize::Encodable::<#encoder_ty>::encode(#bind_ident, __encoder), ) { @@ -260,7 +258,7 @@ fn encodable_body( result }); quote! { - ::rustc_serialize::Encoder::emit_enum(__encoder, #ty_name, |__encoder| { + ::rustc_serialize::Encoder::emit_enum(__encoder, |__encoder| { match *self { #encode_inner } diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 42c32219aba..e9ae22f8ced 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -21,7 +21,7 @@ use rustc_session::config::{self, CrateType, ExternLocation}; use rustc_session::lint::{self, BuiltinLintDiagnostics, ExternDepSpec}; use rustc_session::output::validate_crate_name; use rustc_session::search_paths::PathKind; -use rustc_session::Session; +use rustc_session::{CrateDisambiguator, Session}; use rustc_span::edition::Edition; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; @@ -222,8 +222,10 @@ impl<'a> CrateLoader<'a> { metadata_loader: &'a MetadataLoaderDyn, local_crate_name: &str, ) -> Self { + let local_crate_stable_id = + StableCrateId::new(local_crate_name, sess.local_crate_disambiguator()); let mut stable_crate_ids = FxHashMap::default(); - stable_crate_ids.insert(sess.local_stable_crate_id(), LOCAL_CRATE); + stable_crate_ids.insert(local_crate_stable_id, LOCAL_CRATE); CrateLoader { sess, @@ -325,14 +327,17 @@ impl<'a> CrateLoader<'a> { fn verify_no_symbol_conflicts(&self, root: &CrateRoot<'_>) -> Result<(), CrateError> { // Check for (potential) conflicts with the local crate - if self.sess.local_stable_crate_id() == root.stable_crate_id() { + if self.local_crate_name == root.name() + && self.sess.local_crate_disambiguator() == root.disambiguator() + { return Err(CrateError::SymbolConflictsCurrent(root.name())); } // Check for conflicts with any crate loaded so far let mut res = Ok(()); self.cstore.iter_crate_data(|_, other| { - if other.stable_crate_id() == root.stable_crate_id() && // same stable crate id + if other.name() == root.name() && // same crate-name + other.disambiguator() == root.disambiguator() && // same crate-disambiguator other.hash() != root.hash() { // but different SVH @@ -406,7 +411,7 @@ impl<'a> CrateLoader<'a> { None => (&source, &crate_root), }; let dlsym_dylib = dlsym_source.dylib.as_ref().expect("no dylib for a proc-macro crate"); - Some(self.dlsym_proc_macros(&dlsym_dylib.0, dlsym_root.stable_crate_id())?) + Some(self.dlsym_proc_macros(&dlsym_dylib.0, dlsym_root.disambiguator())?) } else { None }; @@ -659,7 +664,7 @@ impl<'a> CrateLoader<'a> { fn dlsym_proc_macros( &self, path: &Path, - stable_crate_id: StableCrateId, + disambiguator: CrateDisambiguator, ) -> Result<&'static [ProcMacro], CrateError> { // Make sure the path contains a / or the linker will search for it. let path = env::current_dir().unwrap().join(path); @@ -668,7 +673,7 @@ impl<'a> CrateLoader<'a> { Err(s) => return Err(CrateError::DlOpen(s)), }; - let sym = self.sess.generate_proc_macro_decls_symbol(stable_crate_id); + let sym = self.sess.generate_proc_macro_decls_symbol(disambiguator); let decls = unsafe { let sym = match lib.symbol(&sym) { Ok(f) => f, diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs index c5bbb96f777..2c9bad7e5ce 100644 --- a/compiler/rustc_metadata/src/lib.rs +++ b/compiler/rustc_metadata/src/lib.rs @@ -1,5 +1,4 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![feature(core_intrinsics)] #![feature(crate_visibility_modifier)] #![feature(drain_filter)] #![feature(in_band_lifetimes)] @@ -7,7 +6,6 @@ #![feature(once_cell)] #![feature(proc_macro_internals)] #![feature(min_specialization)] -#![feature(stmt_expr_attributes)] #![feature(try_blocks)] #![feature(never_type)] #![recursion_limit = "256"] diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index b830c6b2481..6e736095090 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -226,7 +226,7 @@ use rustc_session::config::{self, CrateType}; use rustc_session::filesearch::{FileDoesntMatch, FileMatches, FileSearch}; use rustc_session::search_paths::PathKind; use rustc_session::utils::CanonicalizedPath; -use rustc_session::{Session, StableCrateId}; +use rustc_session::{CrateDisambiguator, Session}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; use rustc_target::spec::{Target, TargetTriple}; @@ -787,7 +787,7 @@ pub fn find_plugin_registrar( metadata_loader: &dyn MetadataLoader, span: Span, name: Symbol, -) -> (PathBuf, StableCrateId) { +) -> (PathBuf, CrateDisambiguator) { match find_plugin_registrar_impl(sess, metadata_loader, name) { Ok(res) => res, // `core` is always available if we got as far as loading plugins. @@ -799,7 +799,7 @@ fn find_plugin_registrar_impl<'a>( sess: &'a Session, metadata_loader: &dyn MetadataLoader, name: Symbol, -) -> Result<(PathBuf, StableCrateId), CrateError> { +) -> Result<(PathBuf, CrateDisambiguator), CrateError> { info!("find plugin registrar `{}`", name); let mut locator = CrateLocator::new( sess, @@ -816,7 +816,7 @@ fn find_plugin_registrar_impl<'a>( match locator.maybe_load_library_crate()? { Some(library) => match library.source.dylib { - Some(dylib) => Ok((dylib.0, library.metadata.get_root().stable_crate_id())), + Some(dylib) => Ok((dylib.0, library.metadata.get_root().disambiguator())), None => Err(CrateError::NonDylibPlugin(name)), }, None => Err(locator.into_error()), diff --git a/compiler/rustc_metadata/src/native_libs.rs b/compiler/rustc_metadata/src/native_libs.rs index bc342119efb..cd4c394ae14 100644 --- a/compiler/rustc_metadata/src/native_libs.rs +++ b/compiler/rustc_metadata/src/native_libs.rs @@ -3,7 +3,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_errors::struct_span_err; use rustc_hir as hir; use rustc_hir::itemlikevisit::ItemLikeVisitor; -use rustc_middle::middle::cstore::NativeLib; +use rustc_middle::middle::cstore::{DllImport, NativeLib}; use rustc_middle::ty::TyCtxt; use rustc_session::parse::feature_err; use rustc_session::utils::NativeLibKind; @@ -33,8 +33,8 @@ struct Collector<'tcx> { impl ItemLikeVisitor<'tcx> for Collector<'tcx> { fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) { - let abi = match it.kind { - hir::ItemKind::ForeignMod { abi, .. } => abi, + let (abi, foreign_mod_items) = match it.kind { + hir::ItemKind::ForeignMod { abi, items } => (abi, items), _ => return, }; @@ -57,6 +57,7 @@ impl ItemLikeVisitor<'tcx> for Collector<'tcx> { foreign_module: Some(it.def_id.to_def_id()), wasm_import_module: None, verbatim: None, + dll_imports: Vec::new(), }; let mut kind_specified = false; @@ -196,6 +197,27 @@ impl ItemLikeVisitor<'tcx> for Collector<'tcx> { .span_label(m.span, "missing `name` argument") .emit(); } + + if lib.kind == NativeLibKind::RawDylib { + match abi { + Abi::C { .. } => (), + Abi::Cdecl => (), + _ => { + if sess.target.arch == "x86" { + sess.span_fatal( + it.span, + r#"`#[link(kind = "raw-dylib")]` only supports C and Cdecl ABIs"#, + ); + } + } + }; + lib.dll_imports.extend( + foreign_mod_items + .iter() + .map(|child_item| DllImport { name: child_item.ident.name, ordinal: None }), + ); + } + self.register_native_lib(Some(m.span), lib); } } @@ -253,15 +275,42 @@ impl Collector<'tcx> { ) .emit(); } - if lib.kind == NativeLibKind::RawDylib && !self.tcx.features().raw_dylib { - feature_err( - &self.tcx.sess.parse_sess, - sym::raw_dylib, - span.unwrap_or(rustc_span::DUMMY_SP), - "kind=\"raw-dylib\" is unstable", - ) - .emit(); + // this just unwraps lib.name; we already established that it isn't empty above. + if let (NativeLibKind::RawDylib, Some(lib_name)) = (lib.kind, lib.name) { + let span = match span { + Some(s) => s, + None => { + bug!("raw-dylib libraries are not supported on the command line"); + } + }; + + if !self.tcx.sess.target.options.is_like_windows { + self.tcx.sess.span_fatal( + span, + "`#[link(...)]` with `kind = \"raw-dylib\"` only supported on Windows", + ); + } else if !self.tcx.sess.target.options.is_like_msvc { + self.tcx.sess.span_warn( + span, + "`#[link(...)]` with `kind = \"raw-dylib\"` not supported on windows-gnu", + ); + } + + if lib_name.as_str().contains('\0') { + self.tcx.sess.span_err(span, "library name may not contain NUL characters"); + } + + if !self.tcx.features().raw_dylib { + feature_err( + &self.tcx.sess.parse_sess, + sym::raw_dylib, + span, + "kind=\"raw-dylib\" is unstable", + ) + .emit(); + } } + self.libs.push(lib); } @@ -337,6 +386,7 @@ impl Collector<'tcx> { foreign_module: None, wasm_import_module: None, verbatim: passed_lib.verbatim, + dll_imports: Vec::new(), }; self.register_native_lib(None, lib); } else { diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index cc269fad46f..52cb1e1996e 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -300,7 +300,7 @@ impl<'a, 'tcx> TyDecoder<'tcx> for DecodeContext<'a, 'tcx> { { let tcx = self.tcx(); - let key = ty::CReaderCacheKey { cnum: self.cdata().cnum, pos: shorthand }; + let key = ty::CReaderCacheKey { cnum: Some(self.cdata().cnum), pos: shorthand }; if let Some(&ty) = tcx.ty_rcache.borrow().get(&key) { return Ok(ty); @@ -620,6 +620,10 @@ impl CrateRoot<'_> { self.name } + crate fn disambiguator(&self) -> CrateDisambiguator { + self.disambiguator + } + crate fn hash(&self) -> Svh { self.hash } @@ -1923,14 +1927,18 @@ impl CrateMetadata { self.root.name } - crate fn stable_crate_id(&self) -> StableCrateId { - self.root.stable_crate_id + crate fn disambiguator(&self) -> CrateDisambiguator { + self.root.disambiguator } crate fn hash(&self) -> Svh { self.root.hash } + fn num_def_ids(&self) -> usize { + self.root.tables.def_keys.size() + } + fn local_def_id(&self, index: DefIndex) -> DefId { DefId { krate: self.cnum, index } } diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 818376b20de..9a97835d9c0 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -19,7 +19,7 @@ use rustc_middle::middle::stability::DeprecationEntry; use rustc_middle::ty::query::Providers; use rustc_middle::ty::{self, TyCtxt, Visibility}; use rustc_session::utils::NativeLibKind; -use rustc_session::{Session, StableCrateId}; +use rustc_session::{CrateDisambiguator, Session}; use rustc_span::source_map::{Span, Spanned}; use rustc_span::symbol::Symbol; @@ -155,6 +155,7 @@ provide! { <'tcx> tcx, def_id, other, cdata, is_ctfe_mir_available => { cdata.is_ctfe_mir_available(def_id.index) } dylib_dependency_formats => { cdata.get_dylib_dependency_formats(tcx) } + is_private_dep => { cdata.private_dep } is_panic_runtime => { cdata.root.panic_runtime } is_compiler_builtins => { cdata.root.compiler_builtins } has_global_allocator => { cdata.root.has_global_allocator } @@ -185,9 +186,10 @@ provide! { <'tcx> tcx, def_id, other, cdata, } native_libraries => { Lrc::new(cdata.get_native_libraries(tcx.sess)) } foreign_modules => { cdata.get_foreign_modules(tcx) } + crate_disambiguator => { cdata.root.disambiguator } crate_hash => { cdata.root.hash } crate_host_hash => { cdata.host_hash } - original_crate_name => { cdata.root.name } + crate_name => { cdata.root.name } extra_filename => { cdata.root.extra_filename.clone() } @@ -204,7 +206,6 @@ provide! { <'tcx> tcx, def_id, other, cdata, let r = *cdata.dep_kind.lock(); r } - crate_name => { cdata.root.name } item_children => { let mut result = SmallVec::<[_; 8]>::new(); cdata.each_child_of_item(def_id.index, |child| result.push(child), tcx.sess); @@ -250,6 +251,10 @@ pub fn provide(providers: &mut Providers) { is_statically_included_foreign_item: |tcx, id| { matches!(tcx.native_library_kind(id), Some(NativeLibKind::Static { .. })) }, + is_private_dep: |_tcx, cnum| { + assert_eq!(cnum, LOCAL_CRATE); + false + }, native_library_kind: |tcx, id| { tcx.native_libraries(id.krate) .iter() @@ -454,6 +459,13 @@ impl CStore { self.get_crate_data(def_id.krate).module_expansion(def_id.index, sess) } + /// Only public-facing way to traverse all the definitions in a non-local crate. + /// Critically useful for this third-party project: <https://github.com/hacspec/hacspec>. + /// See <https://github.com/rust-lang/rust/pull/85889> for context. + pub fn num_def_ids_untracked(&self, cnum: CrateNum) -> usize { + self.get_crate_data(cnum).num_def_ids() + } + pub fn item_attrs(&self, def_id: DefId, sess: &Session) -> Vec<ast::Attribute> { self.get_crate_data(def_id.krate).get_item_attrs(def_id.index, sess).collect() } @@ -477,12 +489,8 @@ impl CrateStore for CStore { self.get_crate_data(cnum).root.name } - fn crate_is_private_dep_untracked(&self, cnum: CrateNum) -> bool { - self.get_crate_data(cnum).private_dep - } - - fn stable_crate_id_untracked(&self, cnum: CrateNum) -> StableCrateId { - self.get_crate_data(cnum).root.stable_crate_id + fn crate_disambiguator_untracked(&self, cnum: CrateNum) -> CrateDisambiguator { + self.get_crate_data(cnum).root.disambiguator } fn crate_hash_untracked(&self, cnum: CrateNum) -> Svh { diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 5c45e4130d2..76007398000 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -671,6 +671,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { extra_filename: tcx.sess.opts.cg.extra_filename.clone(), triple: tcx.sess.opts.target_triple.clone(), hash: tcx.crate_hash(LOCAL_CRATE), + disambiguator: tcx.sess.local_crate_disambiguator(), stable_crate_id: tcx.def_path_hash(LOCAL_CRATE.as_def_id()).stable_crate_id(), panic_strategy: tcx.sess.panic_strategy(), edition: tcx.sess.edition(), @@ -942,7 +943,7 @@ impl EncodeContext<'a, 'tcx> { }); record!(self.tables.span[def_id] <- tcx.def_span(def_id)); record!(self.tables.attributes[def_id] <- tcx.get_attrs(def_id)); - record!(self.tables.expn_that_defined[def_id] <- self.tcx.expansion_that_defined(def_id)); + record!(self.tables.expn_that_defined[def_id] <- self.tcx.expn_that_defined(def_id)); if should_encode_visibility(def_kind) { record!(self.tables.visibility[def_id] <- self.tcx.visibility(def_id)); } @@ -1673,7 +1674,7 @@ impl EncodeContext<'a, 'tcx> { .iter() .map(|&cnum| { let dep = CrateDep { - name: self.tcx.original_crate_name(cnum), + name: self.tcx.crate_name(cnum), hash: self.tcx.crate_hash(cnum), host_hash: self.tcx.crate_host_hash(cnum), kind: self.tcx.dep_kind(cnum), diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index 37930580623..99ea0cc8f2f 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -18,6 +18,7 @@ use rustc_middle::mir; use rustc_middle::ty::{self, ReprOptions, Ty}; use rustc_serialize::opaque::Encoder; use rustc_session::config::SymbolManglingVersion; +use rustc_session::CrateDisambiguator; use rustc_span::edition::Edition; use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{Ident, Symbol}; @@ -201,6 +202,7 @@ crate struct CrateRoot<'tcx> { triple: TargetTriple, extra_filename: String, hash: Svh, + disambiguator: CrateDisambiguator, stable_crate_id: StableCrateId, panic_strategy: PanicStrategy, edition: Edition, diff --git a/compiler/rustc_middle/src/dep_graph/dep_node.rs b/compiler/rustc_middle/src/dep_graph/dep_node.rs index aa54d1ae7b9..8476929eaec 100644 --- a/compiler/rustc_middle/src/dep_graph/dep_node.rs +++ b/compiler/rustc_middle/src/dep_graph/dep_node.rs @@ -285,7 +285,7 @@ pub type DepNode = rustc_query_system::dep_graph::DepNode<DepKind>; // required that their size stay the same, but we don't want to change // it inadvertently. This assert just ensures we're aware of any change. #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] -static_assert_size!(DepNode, 17); +static_assert_size!(DepNode, 18); #[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))] static_assert_size!(DepNode, 24); diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 07b39c97c49..20bbf9097f4 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -15,7 +15,6 @@ use rustc_hir::intravisit::Visitor; use rustc_hir::itemlikevisit::ItemLikeVisitor; use rustc_hir::*; use rustc_index::vec::Idx; -use rustc_span::def_id::StableCrateId; use rustc_span::hygiene::MacroKind; use rustc_span::source_map::Spanned; use rustc_span::symbol::{kw, Ident, Symbol}; @@ -991,24 +990,25 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh { upstream_crates.hash_stable(&mut hcx, &mut stable_hasher); source_file_names.hash_stable(&mut hcx, &mut stable_hasher); tcx.sess.opts.dep_tracking_hash(true).hash_stable(&mut hcx, &mut stable_hasher); - tcx.sess.local_stable_crate_id().hash_stable(&mut hcx, &mut stable_hasher); + tcx.sess.local_crate_disambiguator().to_fingerprint().hash_stable(&mut hcx, &mut stable_hasher); tcx.untracked_crate.non_exported_macro_attrs.hash_stable(&mut hcx, &mut stable_hasher); let crate_hash: Fingerprint = stable_hasher.finish(); Svh::new(crate_hash.to_smaller_hash()) } -fn upstream_crates(cstore: &dyn CrateStore) -> Vec<(StableCrateId, Svh)> { +fn upstream_crates(cstore: &dyn CrateStore) -> Vec<(Symbol, Fingerprint, Svh)> { let mut upstream_crates: Vec<_> = cstore .crates_untracked() .iter() .map(|&cnum| { - let stable_crate_id = cstore.stable_crate_id_untracked(cnum); + let name = cstore.crate_name_untracked(cnum); + let disambiguator = cstore.crate_disambiguator_untracked(cnum).to_fingerprint(); let hash = cstore.crate_hash_untracked(cnum); - (stable_crate_id, hash) + (name, disambiguator, hash) }) .collect(); - upstream_crates.sort_unstable_by_key(|&(stable_crate_id, _)| stable_crate_id); + upstream_crates.sort_unstable_by_key(|&(name, dis, _)| (name.as_str(), dis)); upstream_crates } diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index b8407833c90..087f772c812 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -167,4 +167,8 @@ pub fn provide(providers: &mut Providers) { }; providers.opt_def_kind = |tcx, def_id| tcx.hir().opt_def_kind(def_id.expect_local()); providers.all_local_trait_impls = |tcx, ()| &tcx.hir_crate(()).trait_impls; + providers.expn_that_defined = |tcx, id| { + let id = id.expect_local(); + tcx.definitions.expansion_that_defined(id) + }; } diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs index 5df2f91f09f..d764d45ba7e 100644 --- a/compiler/rustc_middle/src/infer/canonical.rs +++ b/compiler/rustc_middle/src/infer/canonical.rs @@ -294,6 +294,7 @@ TrivialTypeFoldableImpls! { } impl<'tcx> CanonicalVarValues<'tcx> { + #[inline] pub fn len(&self) -> usize { self.var_values.len() } diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 6f97716e2e0..e1d7bc4be53 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -29,7 +29,6 @@ #![feature(bool_to_option)] #![feature(box_patterns)] #![feature(box_syntax)] -#![feature(const_panic)] #![feature(core_intrinsics)] #![feature(discriminant_kind)] #![feature(never_type)] @@ -50,7 +49,6 @@ #![feature(associated_type_defaults)] #![feature(iter_zip)] #![feature(thread_local_const_init)] -#![feature(trusted_step)] #![recursion_limit = "512"] #[macro_use] diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs index 38d0793a682..4c7ea937ceb 100644 --- a/compiler/rustc_middle/src/lint.rs +++ b/compiler/rustc_middle/src/lint.rs @@ -1,7 +1,7 @@ use std::cmp; use crate::ich::StableHashingContext; -use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_errors::{DiagnosticBuilder, DiagnosticId}; use rustc_hir::HirId; @@ -28,6 +28,9 @@ pub enum LintLevelSource { /// The provided `Level` is the level specified on the command line. /// (The actual level may be lower due to `--cap-lints`.) CommandLine(Symbol, Level), + + /// Lint is being forced to warn no matter what. + ForceWarn(Symbol), } impl LintLevelSource { @@ -36,6 +39,7 @@ impl LintLevelSource { LintLevelSource::Default => symbol::kw::Default, LintLevelSource::Node(name, _, _) => name, LintLevelSource::CommandLine(name, _) => name, + LintLevelSource::ForceWarn(name) => name, } } @@ -44,6 +48,7 @@ impl LintLevelSource { LintLevelSource::Default => DUMMY_SP, LintLevelSource::Node(_, span, _) => span, LintLevelSource::CommandLine(_, _) => DUMMY_SP, + LintLevelSource::ForceWarn(_) => DUMMY_SP, } } } @@ -55,6 +60,7 @@ pub type LevelAndSource = (Level, LintLevelSource); pub struct LintLevelSets { pub list: Vec<LintSet>, pub lint_cap: Level, + pub force_warns: FxHashSet<LintId>, } #[derive(Debug)] @@ -73,7 +79,11 @@ pub enum LintSet { impl LintLevelSets { pub fn new() -> Self { - LintLevelSets { list: Vec::new(), lint_cap: Level::Forbid } + LintLevelSets { + list: Vec::new(), + lint_cap: Level::Forbid, + force_warns: FxHashSet::default(), + } } pub fn get_lint_level( @@ -83,6 +93,11 @@ impl LintLevelSets { aux: Option<&FxHashMap<LintId, LevelAndSource>>, sess: &Session, ) -> LevelAndSource { + // Check whether we should always warn + if self.force_warns.contains(&LintId::of(lint)) { + return (Level::Warn, LintLevelSource::ForceWarn(Symbol::intern(lint.name))); + } + let (level, mut src) = self.get_lint_id_level(LintId::of(lint), idx, aux); // If `level` is none then we actually assume the default level for this @@ -176,11 +191,11 @@ impl LintLevelMap { impl<'a> HashStable<StableHashingContext<'a>> for LintLevelMap { #[inline] fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) { - let LintLevelMap { ref sets, ref id_to_set } = *self; + let LintLevelMap { ref sets, ref id_to_set, .. } = *self; id_to_set.hash_stable(hcx, hasher); - let LintLevelSets { ref list, lint_cap } = *sets; + let LintLevelSets { ref list, lint_cap, .. } = *sets; lint_cap.hash_stable(hcx, hasher); @@ -346,6 +361,13 @@ pub fn struct_lint_level<'s, 'd>( ); } } + LintLevelSource::ForceWarn(_) => { + sess.diag_note_once( + &mut err, + DiagnosticMessageId::from(lint), + "warning forced by `force-warns` commandline option", + ); + } } err.code(DiagnosticId::Lint { name, has_future_breakage }); diff --git a/compiler/rustc_middle/src/middle/cstore.rs b/compiler/rustc_middle/src/middle/cstore.rs index 965de117e75..a7ab43d106c 100644 --- a/compiler/rustc_middle/src/middle/cstore.rs +++ b/compiler/rustc_middle/src/middle/cstore.rs @@ -14,7 +14,7 @@ use rustc_hir::definitions::{DefKey, DefPath, DefPathHash}; use rustc_macros::HashStable; use rustc_session::search_paths::PathKind; use rustc_session::utils::NativeLibKind; -use rustc_session::StableCrateId; +use rustc_session::CrateDisambiguator; use rustc_span::symbol::Symbol; use rustc_span::Span; use rustc_target::spec::Target; @@ -95,6 +95,13 @@ pub struct NativeLib { pub foreign_module: Option<DefId>, pub wasm_import_module: Option<Symbol>, pub verbatim: Option<bool>, + pub dll_imports: Vec<DllImport>, +} + +#[derive(Clone, Debug, Encodable, Decodable, HashStable)] +pub struct DllImport { + pub name: Symbol, + pub ordinal: Option<u16>, } #[derive(Clone, TyEncodable, TyDecodable, HashStable, Debug)] @@ -199,8 +206,7 @@ pub trait CrateStore { // "queries" used in resolve that aren't tracked for incremental compilation fn crate_name_untracked(&self, cnum: CrateNum) -> Symbol; - fn crate_is_private_dep_untracked(&self, cnum: CrateNum) -> bool; - fn stable_crate_id_untracked(&self, cnum: CrateNum) -> StableCrateId; + fn crate_disambiguator_untracked(&self, cnum: CrateNum) -> CrateDisambiguator; fn crate_hash_untracked(&self, cnum: CrateNum) -> Svh; // This is basically a 1-based range of ints, which is a little diff --git a/compiler/rustc_middle/src/middle/exported_symbols.rs b/compiler/rustc_middle/src/middle/exported_symbols.rs index 26694afb513..288dd039446 100644 --- a/compiler/rustc_middle/src/middle/exported_symbols.rs +++ b/compiler/rustc_middle/src/middle/exported_symbols.rs @@ -48,8 +48,8 @@ impl<'tcx> ExportedSymbol<'tcx> { pub fn metadata_symbol_name(tcx: TyCtxt<'_>) -> String { format!( - "rust_metadata_{}_{:08x}", - tcx.original_crate_name(LOCAL_CRATE), - tcx.sess.local_stable_crate_id().to_u64(), + "rust_metadata_{}_{}", + tcx.crate_name(LOCAL_CRATE), + tcx.crate_disambiguator(LOCAL_CRATE).to_fingerprint().to_hex() ) } diff --git a/compiler/rustc_middle/src/mir/interpret/mod.rs b/compiler/rustc_middle/src/mir/interpret/mod.rs index d03a7421ca7..14bdb0a5a2d 100644 --- a/compiler/rustc_middle/src/mir/interpret/mod.rs +++ b/compiler/rustc_middle/src/mir/interpret/mod.rs @@ -246,6 +246,7 @@ pub struct AllocDecodingState { } impl AllocDecodingState { + #[inline] pub fn new_decoding_session(&self) -> AllocDecodingSession<'_> { static DECODER_SESSION_ID: AtomicU32 = AtomicU32::new(0); let counter = DECODER_SESSION_ID.fetch_add(1, Ordering::SeqCst); diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 1cc7f235d7d..7ae7eab6e5a 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -1249,10 +1249,12 @@ impl<'tcx> BasicBlockData<'tcx> { /// /// Terminator may not be None after construction of the basic block is complete. This accessor /// provides a convenience way to reach the terminator. + #[inline] pub fn terminator(&self) -> &Terminator<'tcx> { self.terminator.as_ref().expect("invalid terminator state") } + #[inline] pub fn terminator_mut(&mut self) -> &mut Terminator<'tcx> { self.terminator.as_mut().expect("invalid terminator state") } @@ -1870,6 +1872,7 @@ impl<'tcx> PlaceRef<'tcx> { /// If this place represents a local variable like `_X` with no /// projections, return `Some(_X)`. + #[inline] pub fn as_local(&self) -> Option<Local> { match *self { PlaceRef { local, projection: [] } => Some(local), @@ -1877,6 +1880,7 @@ impl<'tcx> PlaceRef<'tcx> { } } + #[inline] pub fn last_projection(&self) -> Option<(PlaceRef<'tcx>, PlaceElem<'tcx>)> { if let &[ref proj_base @ .., elem] = self.projection { Some((PlaceRef { local: self.local, projection: proj_base }, elem)) @@ -2464,12 +2468,14 @@ impl Constant<'tcx> { _ => None, } } + #[inline] pub fn ty(&self) -> Ty<'tcx> { self.literal.ty() } } impl From<&'tcx ty::Const<'tcx>> for ConstantKind<'tcx> { + #[inline] fn from(ct: &'tcx ty::Const<'tcx>) -> Self { Self::Ty(ct) } diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index a160bcf6c1d..74650f50a1c 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -267,6 +267,7 @@ pub enum Visibility { } impl<'tcx> CodegenUnit<'tcx> { + #[inline] pub fn new(name: Symbol) -> CodegenUnit<'tcx> { CodegenUnit { name, items: Default::default(), size_estimate: None, primary: false } } @@ -311,6 +312,7 @@ impl<'tcx> CodegenUnit<'tcx> { self.size_estimate = Some(self.items.keys().map(|mi| mi.size_estimate(tcx)).sum()); } + #[inline] pub fn size_estimate(&self) -> usize { // Should only be called if `estimate_size` has previously been called. self.size_estimate.expect("estimate_size must be called before getting a size_estimate") @@ -488,18 +490,15 @@ impl CodegenUnitNameBuilder<'tcx> { // local crate's ID. Otherwise there can be collisions between CGUs // instantiating stuff for upstream crates. let local_crate_id = if cnum != LOCAL_CRATE { - let local_stable_crate_id = tcx.sess.local_stable_crate_id(); - format!( - "-in-{}.{:08x}", - tcx.crate_name(LOCAL_CRATE), - local_stable_crate_id.to_u64() - ) + let local_crate_disambiguator = format!("{}", tcx.crate_disambiguator(LOCAL_CRATE)); + format!("-in-{}.{}", tcx.crate_name(LOCAL_CRATE), &local_crate_disambiguator[0..8]) } else { String::new() }; - let stable_crate_id = tcx.sess.local_stable_crate_id(); - format!("{}.{:08x}{}", tcx.crate_name(cnum), stable_crate_id.to_u64(), local_crate_id) + let crate_disambiguator = tcx.crate_disambiguator(cnum).to_string(); + // Using a shortened disambiguator of about 40 bits + format!("{}.{}{}", tcx.crate_name(cnum), &crate_disambiguator[0..8], local_crate_id) }); write!(cgu_name, "{}", crate_prefix).unwrap(); diff --git a/compiler/rustc_middle/src/mir/query.rs b/compiler/rustc_middle/src/mir/query.rs index 0edb79fdbc8..4fb737f463a 100644 --- a/compiler/rustc_middle/src/mir/query.rs +++ b/compiler/rustc_middle/src/mir/query.rs @@ -2,13 +2,14 @@ use crate::mir::{abstract_const, Body, Promoted}; use crate::ty::{self, Ty, TyCtxt}; -use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; +use rustc_data_structures::vec_map::VecMap; use rustc_errors::ErrorReported; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_index::bit_set::BitMatrix; use rustc_index::vec::IndexVec; +use rustc_middle::ty::OpaqueTypeKey; use rustc_span::Span; use rustc_target::abi::VariantIdx; use smallvec::SmallVec; @@ -210,7 +211,7 @@ pub struct BorrowCheckResult<'tcx> { /// All the opaque types that are restricted to concrete types /// by this function. Unlike the value in `TypeckResults`, this has /// unerased regions. - pub concrete_opaque_types: FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>>, + pub concrete_opaque_types: VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, pub closure_requirements: Option<ClosureRegionRequirements<'tcx>>, pub used_mut_upvars: SmallVec<[Field; 8]>, } diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 9974f2bb8ca..0860520ef9d 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -210,8 +210,8 @@ rustc_queries! { desc { |tcx| "parent module of `{}`", tcx.def_path_str(key.to_def_id()) } } - /// Internal helper query. Use `tcx.expansion_that_defined` instead query expn_that_defined(key: DefId) -> rustc_span::ExpnId { + eval_always desc { |tcx| "expansion that defined `{}`", tcx.def_path_str(key) } } @@ -1127,8 +1127,7 @@ rustc_queries! { desc { "computing whether impls specialize one another" } } query in_scope_traits_map(_: LocalDefId) - -> Option<&'tcx FxHashMap<ItemLocalId, StableVec<TraitCandidate>>> { - eval_always + -> Option<&'tcx FxHashMap<ItemLocalId, Box<[TraitCandidate]>>> { desc { "traits in scope at a block" } } @@ -1238,6 +1237,10 @@ rustc_queries! { query proc_macro_decls_static(_: ()) -> Option<LocalDefId> { desc { "looking up the derive registrar for a crate" } } + query crate_disambiguator(_: CrateNum) -> CrateDisambiguator { + eval_always + desc { "looking up the disambiguator a crate" } + } // The macro which defines `rustc_metadata::provide_extern` depends on this query's name. // Changing the name should cause a compiler error, but in case that changes, be aware. query crate_hash(_: CrateNum) -> Svh { @@ -1248,10 +1251,6 @@ rustc_queries! { eval_always desc { "looking up the hash of a host version of a crate" } } - query original_crate_name(_: CrateNum) -> Symbol { - eval_always - desc { "looking up the original name a crate" } - } query extra_filename(_: CrateNum) -> String { eval_always desc { "looking up the extra filename for a crate" } @@ -1415,6 +1414,12 @@ rustc_queries! { eval_always desc { "generating a postorder list of CrateNums" } } + /// Returns whether or not the crate with CrateNum 'cnum' + /// is marked as a private dependency + query is_private_dep(c: CrateNum) -> bool { + eval_always + desc { "check whether crate {} is a private dependency", c } + } query upvars_mentioned(def_id: DefId) -> Option<&'tcx FxIndexMap<hir::HirId, hir::Upvar>> { desc { |tcx| "collecting upvars mentioned in `{}`", tcx.def_path_str(def_id) } diff --git a/compiler/rustc_middle/src/ty/_match.rs b/compiler/rustc_middle/src/ty/_match.rs index 8e2c79701af..02ff1b9f4d6 100644 --- a/compiler/rustc_middle/src/ty/_match.rs +++ b/compiler/rustc_middle/src/ty/_match.rs @@ -46,6 +46,7 @@ impl TypeRelation<'tcx> for Match<'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, _: ty::Variance, + _: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 17590814322..d13cbdd1228 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -31,9 +31,10 @@ use rustc_attr as attr; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::profiling::SelfProfilerRef; use rustc_data_structures::sharded::{IntoPointer, ShardedHashMap}; -use rustc_data_structures::stable_hasher::{HashStable, StableHasher, StableVec}; +use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::steal::Steal; use rustc_data_structures::sync::{self, Lock, Lrc, WorkerLocal}; +use rustc_data_structures::vec_map::VecMap; use rustc_errors::ErrorReported; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; @@ -47,6 +48,7 @@ use rustc_hir::{ use rustc_index::vec::{Idx, IndexVec}; use rustc_macros::HashStable; use rustc_middle::mir::FakeReadCause; +use rustc_middle::ty::OpaqueTypeKey; use rustc_serialize::opaque::{FileEncodeResult, FileEncoder}; use rustc_session::config::{BorrowckMode, CrateType, OutputFilenames}; use rustc_session::lint::{Level, Lint}; @@ -286,17 +288,6 @@ impl<'a, V> LocalTableInContextMut<'a, V> { } } -/// All information necessary to validate and reveal an `impl Trait`. -#[derive(TyEncodable, TyDecodable, Debug, HashStable)] -pub struct ResolvedOpaqueTy<'tcx> { - /// The revealed type as seen by this function. - pub concrete_type: Ty<'tcx>, - /// Generic parameters on the opaque type as passed by this function. - /// For `type Foo<A, B> = impl Bar<A, B>; fn foo<T, U>() -> Foo<T, U> { .. }` - /// this is `[T, U]`, not `[A, B]`. - pub substs: SubstsRef<'tcx>, -} - /// Whenever a value may be live across a generator yield, the type of that value winds up in the /// `GeneratorInteriorTypeCause` struct. This struct adds additional information about such /// captured types that can be useful for diagnostics. In particular, it stores the span that @@ -424,7 +415,7 @@ pub struct TypeckResults<'tcx> { /// All the opaque types that are restricted to concrete types /// by this function. - pub concrete_opaque_types: FxHashMap<DefId, ResolvedOpaqueTy<'tcx>>, + pub concrete_opaque_types: VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, /// Tracks the minimum captures required for a closure; /// see `MinCaptureInformationMap` for more details. @@ -966,10 +957,6 @@ pub struct GlobalCtxt<'tcx> { /// Resolutions of `extern crate` items produced by resolver. extern_crate_map: FxHashMap<LocalDefId, CrateNum>, - /// Map indicating what traits are in scope for places where this - /// is relevant; generated by resolve. - trait_map: FxHashMap<LocalDefId, FxHashMap<ItemLocalId, StableVec<TraitCandidate>>>, - /// Export map produced by name resolution. export_map: ExportMap<LocalDefId>, @@ -1009,7 +996,7 @@ pub struct GlobalCtxt<'tcx> { /// The definite name of the current crate after taking into account /// attributes, commandline parameters, etc. - pub crate_name: Symbol, + crate_name: Symbol, /// Data layout specification for the current target. pub data_layout: TargetDataLayout, @@ -1139,7 +1126,7 @@ impl<'tcx> TyCtxt<'tcx> { on_disk_cache: Option<query::OnDiskCache<'tcx>>, queries: &'tcx dyn query::QueryEngine<'tcx>, crate_name: &str, - output_filenames: &OutputFilenames, + output_filenames: OutputFilenames, ) -> GlobalCtxt<'tcx> { let data_layout = TargetDataLayout::parse(&s.target).unwrap_or_else(|err| { s.fatal(&err); @@ -1150,12 +1137,6 @@ impl<'tcx> TyCtxt<'tcx> { let common_consts = CommonConsts::new(&interners, &common_types); let cstore = resolutions.cstore; - let mut trait_map: FxHashMap<_, FxHashMap<_, _>> = FxHashMap::default(); - for (hir_id, v) in krate.trait_map.iter() { - let map = trait_map.entry(hir_id.owner).or_default(); - map.insert(hir_id.local_id, StableVec::new(v.to_vec())); - } - GlobalCtxt { sess: s, lint_store, @@ -1169,7 +1150,6 @@ impl<'tcx> TyCtxt<'tcx> { consts: common_consts, visibilities: resolutions.visibilities, extern_crate_map: resolutions.extern_crate_map, - trait_map, export_map: resolutions.export_map, maybe_unused_trait_imports: resolutions.maybe_unused_trait_imports, maybe_unused_extern_crates: resolutions.maybe_unused_extern_crates, @@ -1190,7 +1170,7 @@ impl<'tcx> TyCtxt<'tcx> { stability_interner: Default::default(), const_stability_interner: Default::default(), alloc_map: Lock::new(interpret::AllocMap::new()), - output_filenames: Arc::new(output_filenames.clone()), + output_filenames: Arc::new(output_filenames), main_def: resolutions.main_def, } } @@ -1275,12 +1255,6 @@ impl<'tcx> TyCtxt<'tcx> { } } - /// Returns whether or not the crate with CrateNum 'cnum' - /// is marked as a private dependency - pub fn is_private_dep(self, cnum: CrateNum) -> bool { - if cnum == LOCAL_CRATE { false } else { self.cstore.crate_is_private_dep_untracked(cnum) } - } - #[inline] pub fn def_path_hash(self, def_id: DefId) -> rustc_hir::definitions::DefPathHash { if let Some(def_id) = def_id.as_local() { @@ -1292,24 +1266,24 @@ impl<'tcx> TyCtxt<'tcx> { pub fn def_path_debug_str(self, def_id: DefId) -> String { // We are explicitly not going through queries here in order to get - // crate name and stable crate id since this code is called from debug!() + // crate name and disambiguator since this code is called from debug!() // statements within the query system and we'd run into endless // recursion otherwise. - let (crate_name, stable_crate_id) = if def_id.is_local() { - (self.crate_name, self.sess.local_stable_crate_id()) + let (crate_name, crate_disambiguator) = if def_id.is_local() { + (self.crate_name, self.sess.local_crate_disambiguator()) } else { ( self.cstore.crate_name_untracked(def_id.krate), - self.def_path_hash(def_id.krate.as_def_id()).stable_crate_id(), + self.cstore.crate_disambiguator_untracked(def_id.krate), ) }; format!( "{}[{}]{}", crate_name, - // Don't print the whole stable crate id. That's just + // Don't print the whole crate disambiguator. That's just // annoying in debug output. - &(format!("{:08x}", stable_crate_id.to_u64()))[..4], + &(crate_disambiguator.to_fingerprint().to_hex())[..4], self.def_path(def_id).to_string_no_crate_verbose() ) } @@ -2658,8 +2632,10 @@ impl<'tcx> TyCtxt<'tcx> { struct_lint_level(self.sess, lint, level, src, None, decorate); } - pub fn in_scope_traits(self, id: HirId) -> Option<&'tcx StableVec<TraitCandidate>> { - self.in_scope_traits_map(id.owner).and_then(|map| map.get(&id.local_id)) + pub fn in_scope_traits(self, id: HirId) -> Option<&'tcx [TraitCandidate]> { + let map = self.in_scope_traits_map(id.owner)?; + let candidates = map.get(&id.local_id)?; + Some(&*candidates) } pub fn named_region(self, id: HirId) -> Option<resolve_lifetime::Region> { @@ -2789,7 +2765,7 @@ fn ptr_eq<T, U>(t: *const T, u: *const U) -> bool { } pub fn provide(providers: &mut ty::query::Providers) { - providers.in_scope_traits_map = |tcx, id| tcx.gcx.trait_map.get(&id); + providers.in_scope_traits_map = |tcx, id| tcx.hir_crate(()).trait_map.get(&id); providers.module_exports = |tcx, id| tcx.gcx.export_map.get(&id).map(|v| &v[..]); providers.crate_name = |tcx, id| { assert_eq!(id, LOCAL_CRATE); diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index c8fdbc30d15..4e3f475a915 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -93,6 +93,7 @@ pub struct Generics { } impl<'tcx> Generics { + #[inline] pub fn count(&self) -> usize { self.parent_count + self.params.len() } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 03a026500d7..28a44b09de2 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -367,7 +367,14 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> { for &i in &inverse_memory_index { let field = fields[i as usize]; if !sized { - bug!("univariant: field #{} of `{}` comes after unsized field", offsets.len(), ty); + self.tcx.sess.delay_span_bug( + DUMMY_SP, + &format!( + "univariant: field #{} of `{}` comes after unsized field", + offsets.len(), + ty + ), + ); } if field.is_unsized() { diff --git a/compiler/rustc_middle/src/ty/list.rs b/compiler/rustc_middle/src/ty/list.rs index e657088a5e4..44dfcbf1866 100644 --- a/compiler/rustc_middle/src/ty/list.rs +++ b/compiler/rustc_middle/src/ty/list.rs @@ -37,9 +37,11 @@ pub struct List<T> { unsafe impl<'a, T: 'a> rustc_data_structures::tagged_ptr::Pointer for &'a List<T> { const BITS: usize = std::mem::align_of::<usize>().trailing_zeros() as usize; + #[inline] fn into_usize(self) -> usize { self as *const List<T> as usize } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { &*(ptr as *const List<T>) } diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 94e325e9e87..227aa8dc284 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -39,7 +39,6 @@ use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LocalDefIdMap, CRATE_DEF_INDEX}; use rustc_hir::{Constness, Node}; use rustc_macros::HashStable; -use rustc_span::hygiene::ExpnId; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::Span; use rustc_target::abi::Align; @@ -59,7 +58,7 @@ pub use self::consts::{Const, ConstInt, ConstKind, InferConst, ScalarInt, Uneval pub use self::context::{ tls, CanonicalUserType, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, CtxtInterners, DelaySpanBugEmitted, FreeRegionInfo, GeneratorInteriorTypeCause, GlobalCtxt, - Lift, ResolvedOpaqueTy, TyCtxt, TypeckResults, UserType, UserTypeAnnotationIndex, + Lift, TyCtxt, TypeckResults, UserType, UserTypeAnnotationIndex, }; pub use self::instance::{Instance, InstanceDef}; pub use self::list::List; @@ -72,7 +71,7 @@ pub use self::sty::{ ExistentialPredicate, ExistentialProjection, ExistentialTraitRef, FnSig, FreeRegion, GenSig, GeneratorSubsts, GeneratorSubstsParts, ParamConst, ParamTy, PolyExistentialProjection, PolyExistentialTraitRef, PolyFnSig, PolyGenSig, PolyTraitRef, ProjectionTy, Region, RegionKind, - RegionVid, TraitRef, TyKind, TypeAndMut, UpvarSubsts, + RegionVid, TraitRef, TyKind, TypeAndMut, UpvarSubsts, VarianceDiagInfo, VarianceDiagMutKind, }; pub use self::trait_def::TraitDef; @@ -269,7 +268,7 @@ pub struct CrateVariancesMap<'tcx> { // the types of AST nodes. #[derive(Copy, Clone, PartialEq, Eq, Hash)] pub struct CReaderCacheKey { - pub cnum: CrateNum, + pub cnum: Option<CrateNum>, pub pos: usize, } @@ -836,6 +835,12 @@ impl<'tcx> InstantiatedPredicates<'tcx> { } } +#[derive(Copy, Clone, Debug, PartialEq, Eq, HashStable, TyEncodable, TyDecodable)] +pub struct OpaqueTypeKey<'tcx> { + pub def_id: DefId, + pub substs: SubstsRef<'tcx>, +} + rustc_index::newtype_index! { /// "Universes" are used during type- and trait-checking in the /// presence of `for<..>` binders to control what sets of names are @@ -1097,12 +1102,14 @@ pub struct ParamEnv<'tcx> { unsafe impl rustc_data_structures::tagged_ptr::Tag for traits::Reveal { const BITS: usize = 1; + #[inline] fn into_usize(self) -> usize { match self { traits::Reveal::UserFacing => 0, traits::Reveal::All => 1, } } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { match ptr { 0 => traits::Reveal::UserFacing, @@ -1200,6 +1207,7 @@ impl<'tcx> ParamEnv<'tcx> { } /// Returns this same environment but with no caller bounds. + #[inline] pub fn without_caller_bounds(self) -> Self { Self::new(List::empty(), self.reveal()) } @@ -1618,7 +1626,7 @@ impl<'tcx> TyCtxt<'tcx> { fn item_name_from_def_id(self, def_id: DefId) -> Option<Symbol> { if def_id.index == CRATE_DEF_INDEX { - Some(self.original_crate_name(def_id.krate)) + Some(self.crate_name(def_id.krate)) } else { let def_key = self.def_key(def_id); match def_key.disambiguated_data.data { @@ -1859,20 +1867,11 @@ impl<'tcx> TyCtxt<'tcx> { && use_name .span .ctxt() - .hygienic_eq(def_name.span.ctxt(), self.expansion_that_defined(def_parent_def_id)) - } - - pub fn expansion_that_defined(self, scope: DefId) -> ExpnId { - match scope.as_local() { - // Parsing and expansion aren't incremental, so we don't - // need to go through a query for the same-crate case. - Some(scope) => self.hir().definitions().expansion_that_defined(scope), - None => self.expn_that_defined(scope), - } + .hygienic_eq(def_name.span.ctxt(), self.expn_that_defined(def_parent_def_id)) } pub fn adjust_ident(self, mut ident: Ident, scope: DefId) -> Ident { - ident.span.normalize_to_macros_2_0_and_adjust(self.expansion_that_defined(scope)); + ident.span.normalize_to_macros_2_0_and_adjust(self.expn_that_defined(scope)); ident } @@ -1883,8 +1882,7 @@ impl<'tcx> TyCtxt<'tcx> { block: hir::HirId, ) -> (Ident, DefId) { let scope = - match ident.span.normalize_to_macros_2_0_and_adjust(self.expansion_that_defined(scope)) - { + match ident.span.normalize_to_macros_2_0_and_adjust(self.expn_that_defined(scope)) { Some(actual_expansion) => { self.hir().definitions().parent_module_of_macro_def(actual_expansion) } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index f514278a11c..25557bdd100 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -452,7 +452,7 @@ pub trait PrettyPrinter<'tcx>: } // Re-exported `extern crate` (#43189). DefPathData::CrateRoot => { - data = DefPathData::TypeNs(self.tcx().original_crate_name(def_id.krate)); + data = DefPathData::TypeNs(self.tcx().crate_name(def_id.krate)); } _ => {} } diff --git a/compiler/rustc_middle/src/ty/query/mod.rs b/compiler/rustc_middle/src/ty/query/mod.rs index bec13da017e..297110ee3ec 100644 --- a/compiler/rustc_middle/src/ty/query/mod.rs +++ b/compiler/rustc_middle/src/ty/query/mod.rs @@ -34,7 +34,6 @@ use crate::ty::subst::{GenericArg, SubstsRef}; use crate::ty::util::AlwaysRequiresDrop; use crate::ty::{self, AdtSizedConstraint, CrateInherentImpls, ParamEnvAnd, Ty, TyCtxt}; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap}; -use rustc_data_structures::stable_hasher::StableVec; use rustc_data_structures::steal::Steal; use rustc_data_structures::svh::Svh; use rustc_data_structures::sync::Lrc; @@ -48,6 +47,7 @@ use rustc_index::{bit_set::FiniteBitSet, vec::IndexVec}; use rustc_serialize::opaque; use rustc_session::config::{EntryFnType, OptLevel, OutputFilenames, SymbolManglingVersion}; use rustc_session::utils::NativeLibKind; +use rustc_session::CrateDisambiguator; use rustc_target::spec::PanicStrategy; use rustc_ast as ast; diff --git a/compiler/rustc_middle/src/ty/query/on_disk_cache.rs b/compiler/rustc_middle/src/ty/query/on_disk_cache.rs index ce10744bfb6..5c42625306b 100644 --- a/compiler/rustc_middle/src/ty/query/on_disk_cache.rs +++ b/compiler/rustc_middle/src/ty/query/on_disk_cache.rs @@ -10,7 +10,7 @@ use rustc_data_structures::thin_vec::ThinVec; use rustc_data_structures::unhash::UnhashMap; use rustc_errors::Diagnostic; use rustc_hir::def_id::{CrateNum, DefId, DefIndex, LocalDefId, LOCAL_CRATE}; -use rustc_hir::definitions::{DefPathHash, DefPathTable}; +use rustc_hir::definitions::DefPathHash; use rustc_index::vec::{Idx, IndexVec}; use rustc_query_system::dep_graph::DepContext; use rustc_query_system::query::QueryContext; @@ -18,7 +18,7 @@ use rustc_serialize::{ opaque::{self, FileEncodeResult, FileEncoder, IntEncodedWithFixedSize}, Decodable, Decoder, Encodable, Encoder, }; -use rustc_session::{Session, StableCrateId}; +use rustc_session::{CrateDisambiguator, Session}; use rustc_span::hygiene::{ ExpnDataDecodeMode, ExpnDataEncodeMode, ExpnId, HygieneDecodeContext, HygieneEncodeContext, SyntaxContext, SyntaxContextData, @@ -27,7 +27,6 @@ use rustc_span::source_map::{SourceMap, StableSourceFileId}; use rustc_span::CachingSourceMapView; use rustc_span::{BytePos, ExpnData, SourceFile, Span, DUMMY_SP}; use std::collections::hash_map::Entry; -use std::iter::FromIterator; use std::mem; const TAG_FILE_FOOTER: u128 = 0xC0FFEE_C0FFEE_C0FFEE_C0FFEE_C0FFEE; @@ -52,7 +51,7 @@ pub struct OnDiskCache<'sess> { // session. current_diagnostics: Lock<FxHashMap<DepNodeIndex, Vec<Diagnostic>>>, - prev_cnums: Vec<(u32, StableCrateId)>, + prev_cnums: Vec<(u32, String, CrateDisambiguator)>, cnum_map: OnceCell<IndexVec<CrateNum, Option<CrateNum>>>, source_map: &'sess SourceMap, @@ -103,12 +102,6 @@ pub struct OnDiskCache<'sess> { // during the next compilation session. latest_foreign_def_path_hashes: Lock<UnhashMap<DefPathHash, RawDefId>>, - // Maps `DefPathHashes` to their corresponding `LocalDefId`s for all - // local items in the current compilation session. This is only populated - // when we are in incremental mode and have loaded a pre-existing cache - // from disk, since this map is only used when deserializing a `DefPathHash` - // from the incremental cache. - local_def_path_hash_to_def_id: UnhashMap<DefPathHash, LocalDefId>, // Caches all lookups of `DefPathHashes`, both for local and foreign // definitions. A definition from the previous compilation session // may no longer exist in the current compilation session, so @@ -120,7 +113,7 @@ pub struct OnDiskCache<'sess> { #[derive(Encodable, Decodable)] struct Footer { file_index_to_stable_id: FxHashMap<SourceFileIndex, StableSourceFileId>, - prev_cnums: Vec<(u32, StableCrateId)>, + prev_cnums: Vec<(u32, String, CrateDisambiguator)>, query_result_index: EncodedQueryResultIndex, diagnostics_index: EncodedQueryResultIndex, // The location of all allocations. @@ -168,12 +161,7 @@ crate struct RawDefId { impl<'sess> OnDiskCache<'sess> { /// Creates a new `OnDiskCache` instance from the serialized data in `data`. - pub fn new( - sess: &'sess Session, - data: Vec<u8>, - start_pos: usize, - def_path_table: &DefPathTable, - ) -> Self { + pub fn new(sess: &'sess Session, data: Vec<u8>, start_pos: usize) -> Self { debug_assert!(sess.opts.incremental.is_some()); // Wrap in a scope so we can borrow `data`. @@ -210,11 +198,6 @@ impl<'sess> OnDiskCache<'sess> { hygiene_context: Default::default(), foreign_def_path_hashes: footer.foreign_def_path_hashes, latest_foreign_def_path_hashes: Default::default(), - local_def_path_hash_to_def_id: UnhashMap::from_iter( - def_path_table - .all_def_path_hashes_and_def_ids(LOCAL_CRATE) - .map(|(hash, def_id)| (hash, def_id.as_local().unwrap())), - ), def_path_hash_to_def_id_cache: Default::default(), } } @@ -236,7 +219,6 @@ impl<'sess> OnDiskCache<'sess> { hygiene_context: Default::default(), foreign_def_path_hashes: Default::default(), latest_foreign_def_path_hashes: Default::default(), - local_def_path_hash_to_def_id: Default::default(), def_path_hash_to_def_id_cache: Default::default(), } } @@ -349,8 +331,9 @@ impl<'sess> OnDiskCache<'sess> { let prev_cnums: Vec<_> = sorted_cnums .iter() .map(|&cnum| { - let stable_crate_id = tcx.def_path_hash(cnum.as_def_id()).stable_crate_id(); - (cnum.as_u32(), stable_crate_id) + let crate_name = tcx.crate_name(cnum).to_string(); + let crate_disambiguator = tcx.crate_disambiguator(cnum); + (cnum.as_u32(), crate_name, crate_disambiguator) }) .collect(); @@ -574,23 +557,25 @@ impl<'sess> OnDiskCache<'sess> { // maps to None. fn compute_cnum_map( tcx: TyCtxt<'_>, - prev_cnums: &[(u32, StableCrateId)], + prev_cnums: &[(u32, String, CrateDisambiguator)], ) -> IndexVec<CrateNum, Option<CrateNum>> { tcx.dep_graph.with_ignore(|| { let current_cnums = tcx .all_crate_nums(()) .iter() .map(|&cnum| { - let stable_crate_id = tcx.def_path_hash(cnum.as_def_id()).stable_crate_id(); - (stable_crate_id, cnum) + let crate_name = tcx.crate_name(cnum).to_string(); + let crate_disambiguator = tcx.crate_disambiguator(cnum); + ((crate_name, crate_disambiguator), cnum) }) .collect::<FxHashMap<_, _>>(); let map_size = prev_cnums.iter().map(|&(cnum, ..)| cnum).max().unwrap_or(0) + 1; let mut map = IndexVec::from_elem_n(None, map_size as usize); - for &(prev_cnum, stable_crate_id) in prev_cnums { - map[CrateNum::from_u32(prev_cnum)] = current_cnums.get(&stable_crate_id).cloned(); + for &(prev_cnum, ref crate_name, crate_disambiguator) in prev_cnums { + let key = (crate_name.clone(), crate_disambiguator); + map[CrateNum::from_u32(prev_cnum)] = current_cnums.get(&key).cloned(); } map[LOCAL_CRATE] = Some(LOCAL_CRATE); @@ -613,7 +598,7 @@ impl<'sess> OnDiskCache<'sess> { debug!("def_path_hash_to_def_id({:?})", hash); // Check if the `DefPathHash` corresponds to a definition in the current // crate - if let Some(def_id) = self.local_def_path_hash_to_def_id.get(&hash).cloned() { + if let Some(def_id) = tcx.definitions.local_def_path_hash_to_def_id(hash) { let def_id = def_id.to_def_id(); e.insert(Some(def_id)); return Some(def_id); @@ -755,8 +740,7 @@ impl<'a, 'tcx> TyDecoder<'tcx> for CacheDecoder<'a, 'tcx> { { let tcx = self.tcx(); - let cache_key = - ty::CReaderCacheKey { cnum: CrateNum::ReservedForIncrCompCache, pos: shorthand }; + let cache_key = ty::CReaderCacheKey { cnum: None, pos: shorthand }; if let Some(&ty) = tcx.ty_rcache.borrow().get(&cache_key) { return Ok(ty); diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index b6f93c9bd59..872d12cac93 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -67,6 +67,7 @@ pub trait TypeRelation<'tcx>: Sized { fn relate_with_variance<T: Relate<'tcx>>( &mut self, variance: ty::Variance, + info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T>; @@ -111,24 +112,23 @@ pub trait Relate<'tcx>: TypeFoldable<'tcx> + Copy { /////////////////////////////////////////////////////////////////////////// // Relate impls -impl<'tcx> Relate<'tcx> for ty::TypeAndMut<'tcx> { - fn relate<R: TypeRelation<'tcx>>( - relation: &mut R, - a: ty::TypeAndMut<'tcx>, - b: ty::TypeAndMut<'tcx>, - ) -> RelateResult<'tcx, ty::TypeAndMut<'tcx>> { - debug!("{}.mts({:?}, {:?})", relation.tag(), a, b); - if a.mutbl != b.mutbl { - Err(TypeError::Mutability) - } else { - let mutbl = a.mutbl; - let variance = match mutbl { - ast::Mutability::Not => ty::Covariant, - ast::Mutability::Mut => ty::Invariant, - }; - let ty = relation.relate_with_variance(variance, a.ty, b.ty)?; - Ok(ty::TypeAndMut { ty, mutbl }) - } +fn relate_type_and_mut<'tcx, R: TypeRelation<'tcx>>( + relation: &mut R, + a: ty::TypeAndMut<'tcx>, + b: ty::TypeAndMut<'tcx>, + kind: ty::VarianceDiagMutKind, +) -> RelateResult<'tcx, ty::TypeAndMut<'tcx>> { + debug!("{}.mts({:?}, {:?})", relation.tag(), a, b); + if a.mutbl != b.mutbl { + Err(TypeError::Mutability) + } else { + let mutbl = a.mutbl; + let (variance, info) = match mutbl { + ast::Mutability::Not => (ty::Covariant, ty::VarianceDiagInfo::None), + ast::Mutability::Mut => (ty::Invariant, ty::VarianceDiagInfo::Mut { kind, ty: a.ty }), + }; + let ty = relation.relate_with_variance(variance, info, a.ty, b.ty)?; + Ok(ty::TypeAndMut { ty, mutbl }) } } @@ -142,7 +142,7 @@ pub fn relate_substs<R: TypeRelation<'tcx>>( let params = iter::zip(a_subst, b_subst).enumerate().map(|(i, (a, b))| { let variance = variances.map_or(ty::Invariant, |v| v[i]); - relation.relate_with_variance(variance, a, b) + relation.relate_with_variance(variance, ty::VarianceDiagInfo::default(), a, b) }); tcx.mk_substs(params) @@ -177,7 +177,12 @@ impl<'tcx> Relate<'tcx> for ty::FnSig<'tcx> { if is_output { relation.relate(a, b) } else { - relation.relate_with_variance(ty::Contravariant, a, b) + relation.relate_with_variance( + ty::Contravariant, + ty::VarianceDiagInfo::default(), + a, + b, + ) } }) .enumerate() @@ -251,8 +256,18 @@ impl<'tcx> Relate<'tcx> for ty::ExistentialProjection<'tcx> { b.item_def_id, ))) } else { - let ty = relation.relate_with_variance(ty::Invariant, a.ty, b.ty)?; - let substs = relation.relate_with_variance(ty::Invariant, a.substs, b.substs)?; + let ty = relation.relate_with_variance( + ty::Invariant, + ty::VarianceDiagInfo::default(), + a.ty, + b.ty, + )?; + let substs = relation.relate_with_variance( + ty::Invariant, + ty::VarianceDiagInfo::default(), + a.substs, + b.substs, + )?; Ok(ty::ExistentialProjection { item_def_id: a.item_def_id, substs, ty }) } } @@ -364,7 +379,12 @@ pub fn super_relate_tys<R: TypeRelation<'tcx>>( (&ty::Dynamic(a_obj, a_region), &ty::Dynamic(b_obj, b_region)) => { let region_bound = relation.with_cause(Cause::ExistentialRegionBound, |relation| { - relation.relate_with_variance(ty::Contravariant, a_region, b_region) + relation.relate_with_variance( + ty::Contravariant, + ty::VarianceDiagInfo::default(), + a_region, + b_region, + ) })?; Ok(tcx.mk_dynamic(relation.relate(a_obj, b_obj)?, region_bound)) } @@ -398,15 +418,20 @@ pub fn super_relate_tys<R: TypeRelation<'tcx>>( } (&ty::RawPtr(a_mt), &ty::RawPtr(b_mt)) => { - let mt = relation.relate(a_mt, b_mt)?; + let mt = relate_type_and_mut(relation, a_mt, b_mt, ty::VarianceDiagMutKind::RawPtr)?; Ok(tcx.mk_ptr(mt)) } (&ty::Ref(a_r, a_ty, a_mutbl), &ty::Ref(b_r, b_ty, b_mutbl)) => { - let r = relation.relate_with_variance(ty::Contravariant, a_r, b_r)?; + let r = relation.relate_with_variance( + ty::Contravariant, + ty::VarianceDiagInfo::default(), + a_r, + b_r, + )?; let a_mt = ty::TypeAndMut { ty: a_ty, mutbl: a_mutbl }; let b_mt = ty::TypeAndMut { ty: b_ty, mutbl: b_mutbl }; - let mt = relation.relate(a_mt, b_mt)?; + let mt = relate_type_and_mut(relation, a_mt, b_mt, ty::VarianceDiagMutKind::Ref)?; Ok(tcx.mk_ref(r, mt)) } @@ -536,8 +561,12 @@ pub fn super_relate_consts<R: TypeRelation<'tcx>>( (ty::ConstKind::Unevaluated(au), ty::ConstKind::Unevaluated(bu)) if au.def == bu.def && au.promoted == bu.promoted => { - let substs = - relation.relate_with_variance(ty::Variance::Invariant, au.substs, bu.substs)?; + let substs = relation.relate_with_variance( + ty::Variance::Invariant, + ty::VarianceDiagInfo::default(), + au.substs, + bu.substs, + )?; return Ok(tcx.mk_const(ty::Const { val: ty::ConstKind::Unevaluated(ty::Unevaluated { def: au.def, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index f35ecb4d3cd..1d9ff512288 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -1837,10 +1837,12 @@ impl<'tcx> TyS<'tcx> { #[inline] pub fn is_enum(&self) -> bool { - match self.kind() { - Adt(adt_def, _) => adt_def.is_enum(), - _ => false, - } + matches!(self.kind(), Adt(adt_def, _) if adt_def.is_enum()) + } + + #[inline] + pub fn is_union(&self) -> bool { + matches!(self.kind(), Adt(adt_def, _) if adt_def.is_union()) } #[inline] @@ -1889,11 +1891,6 @@ impl<'tcx> TyS<'tcx> { } #[inline] - pub fn is_machine(&self) -> bool { - matches!(self.kind(), Int(..) | Uint(..) | Float(..)) - } - - #[inline] pub fn has_concrete_skeleton(&self) -> bool { !matches!(self.kind(), Param(_) | Infer(_) | Error(_)) } @@ -2184,3 +2181,55 @@ impl<'tcx> TyS<'tcx> { } } } + +/// Extra information about why we ended up with a particular variance. +/// This is only used to add more information to error messages, and +/// has no effect on soundness. While choosing the 'wrong' `VarianceDiagInfo` +/// may lead to confusing notes in error messages, it will never cause +/// a miscompilation or unsoundness. +/// +/// When in doubt, use `VarianceDiagInfo::default()` +#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] +pub enum VarianceDiagInfo<'tcx> { + /// No additional information - this is the default. + /// We will not add any additional information to error messages. + None, + /// We switched our variance because a type occurs inside + /// the generic argument of a mutable reference or pointer + /// (`*mut T` or `&mut T`). In either case, our variance + /// will always be `Invariant`. + Mut { + /// Tracks whether we had a mutable pointer or reference, + /// for better error messages + kind: VarianceDiagMutKind, + /// The type parameter of the mutable pointer/reference + /// (the `T` in `&mut T` or `*mut T`). + ty: Ty<'tcx>, + }, +} + +#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] +pub enum VarianceDiagMutKind { + /// A mutable raw pointer (`*mut T`) + RawPtr, + /// A mutable reference (`&mut T`) + Ref, +} + +impl<'tcx> VarianceDiagInfo<'tcx> { + /// Mirrors `Variance::xform` - used to 'combine' the existing + /// and new `VarianceDiagInfo`s when our variance changes. + pub fn xform(self, other: VarianceDiagInfo<'tcx>) -> VarianceDiagInfo<'tcx> { + // For now, just use the first `VarianceDiagInfo::Mut` that we see + match self { + VarianceDiagInfo::None => other, + VarianceDiagInfo::Mut { .. } => self, + } + } +} + +impl<'tcx> Default for VarianceDiagInfo<'tcx> { + fn default() -> Self { + Self::None + } +} diff --git a/compiler/rustc_mir/src/borrow_check/constraints/graph.rs b/compiler/rustc_mir/src/borrow_check/constraints/graph.rs index f3f6b8c10da..9e4cfb2cc00 100644 --- a/compiler/rustc_mir/src/borrow_check/constraints/graph.rs +++ b/compiler/rustc_mir/src/borrow_check/constraints/graph.rs @@ -1,7 +1,7 @@ use rustc_data_structures::graph; use rustc_index::vec::IndexVec; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::RegionVid; +use rustc_middle::ty::{RegionVid, VarianceDiagInfo}; use rustc_span::DUMMY_SP; use crate::borrow_check::{ @@ -26,8 +26,8 @@ crate type ReverseConstraintGraph = ConstraintGraph<Reverse>; /// Marker trait that controls whether a `R1: R2` constraint /// represents an edge `R1 -> R2` or `R2 -> R1`. crate trait ConstraintGraphDirecton: Copy + 'static { - fn start_region(c: &OutlivesConstraint) -> RegionVid; - fn end_region(c: &OutlivesConstraint) -> RegionVid; + fn start_region(c: &OutlivesConstraint<'_>) -> RegionVid; + fn end_region(c: &OutlivesConstraint<'_>) -> RegionVid; fn is_normal() -> bool; } @@ -39,11 +39,11 @@ crate trait ConstraintGraphDirecton: Copy + 'static { crate struct Normal; impl ConstraintGraphDirecton for Normal { - fn start_region(c: &OutlivesConstraint) -> RegionVid { + fn start_region(c: &OutlivesConstraint<'_>) -> RegionVid { c.sup } - fn end_region(c: &OutlivesConstraint) -> RegionVid { + fn end_region(c: &OutlivesConstraint<'_>) -> RegionVid { c.sub } @@ -60,11 +60,11 @@ impl ConstraintGraphDirecton for Normal { crate struct Reverse; impl ConstraintGraphDirecton for Reverse { - fn start_region(c: &OutlivesConstraint) -> RegionVid { + fn start_region(c: &OutlivesConstraint<'_>) -> RegionVid { c.sub } - fn end_region(c: &OutlivesConstraint) -> RegionVid { + fn end_region(c: &OutlivesConstraint<'_>) -> RegionVid { c.sup } @@ -78,7 +78,7 @@ impl<D: ConstraintGraphDirecton> ConstraintGraph<D> { /// R2` is treated as an edge `R1 -> R2`. We use this graph to /// construct SCCs for region inference but also for error /// reporting. - crate fn new(direction: D, set: &OutlivesConstraintSet, num_region_vars: usize) -> Self { + crate fn new(direction: D, set: &OutlivesConstraintSet<'_>, num_region_vars: usize) -> Self { let mut first_constraints = IndexVec::from_elem_n(None, num_region_vars); let mut next_constraints = IndexVec::from_elem(None, &set.outlives); @@ -96,21 +96,21 @@ impl<D: ConstraintGraphDirecton> ConstraintGraph<D> { /// Given the constraint set from which this graph was built /// creates a region graph so that you can iterate over *regions* /// and not constraints. - crate fn region_graph<'rg>( + crate fn region_graph<'rg, 'tcx>( &'rg self, - set: &'rg OutlivesConstraintSet, + set: &'rg OutlivesConstraintSet<'tcx>, static_region: RegionVid, - ) -> RegionGraph<'rg, D> { + ) -> RegionGraph<'rg, 'tcx, D> { RegionGraph::new(set, self, static_region) } /// Given a region `R`, iterate over all constraints `R: R1`. - crate fn outgoing_edges<'a>( + crate fn outgoing_edges<'a, 'tcx>( &'a self, region_sup: RegionVid, - constraints: &'a OutlivesConstraintSet, + constraints: &'a OutlivesConstraintSet<'tcx>, static_region: RegionVid, - ) -> Edges<'a, D> { + ) -> Edges<'a, 'tcx, D> { //if this is the `'static` region and the graph's direction is normal, //then setup the Edges iterator to return all regions #53178 if region_sup == static_region && D::is_normal() { @@ -129,22 +129,22 @@ impl<D: ConstraintGraphDirecton> ConstraintGraph<D> { } } -crate struct Edges<'s, D: ConstraintGraphDirecton> { +crate struct Edges<'s, 'tcx, D: ConstraintGraphDirecton> { graph: &'s ConstraintGraph<D>, - constraints: &'s OutlivesConstraintSet, + constraints: &'s OutlivesConstraintSet<'tcx>, pointer: Option<OutlivesConstraintIndex>, next_static_idx: Option<usize>, static_region: RegionVid, } -impl<'s, D: ConstraintGraphDirecton> Iterator for Edges<'s, D> { - type Item = OutlivesConstraint; +impl<'s, 'tcx, D: ConstraintGraphDirecton> Iterator for Edges<'s, 'tcx, D> { + type Item = OutlivesConstraint<'tcx>; fn next(&mut self) -> Option<Self::Item> { if let Some(p) = self.pointer { self.pointer = self.graph.next_constraints[p]; - Some(self.constraints[p]) + Some(self.constraints[p].clone()) } else if let Some(next_static_idx) = self.next_static_idx { self.next_static_idx = if next_static_idx == (self.graph.first_constraints.len() - 1) { None @@ -157,6 +157,7 @@ impl<'s, D: ConstraintGraphDirecton> Iterator for Edges<'s, D> { sub: next_static_idx.into(), locations: Locations::All(DUMMY_SP), category: ConstraintCategory::Internal, + variance_info: VarianceDiagInfo::default(), }) } else { None @@ -167,19 +168,19 @@ impl<'s, D: ConstraintGraphDirecton> Iterator for Edges<'s, D> { /// This struct brings together a constraint set and a (normal, not /// reverse) constraint graph. It implements the graph traits and is /// usd for doing the SCC computation. -crate struct RegionGraph<'s, D: ConstraintGraphDirecton> { - set: &'s OutlivesConstraintSet, +crate struct RegionGraph<'s, 'tcx, D: ConstraintGraphDirecton> { + set: &'s OutlivesConstraintSet<'tcx>, constraint_graph: &'s ConstraintGraph<D>, static_region: RegionVid, } -impl<'s, D: ConstraintGraphDirecton> RegionGraph<'s, D> { +impl<'s, 'tcx, D: ConstraintGraphDirecton> RegionGraph<'s, 'tcx, D> { /// Creates a "dependency graph" where each region constraint `R1: /// R2` is treated as an edge `R1 -> R2`. We use this graph to /// construct SCCs for region inference but also for error /// reporting. crate fn new( - set: &'s OutlivesConstraintSet, + set: &'s OutlivesConstraintSet<'tcx>, constraint_graph: &'s ConstraintGraph<D>, static_region: RegionVid, ) -> Self { @@ -188,18 +189,18 @@ impl<'s, D: ConstraintGraphDirecton> RegionGraph<'s, D> { /// Given a region `R`, iterate over all regions `R1` such that /// there exists a constraint `R: R1`. - crate fn outgoing_regions(&self, region_sup: RegionVid) -> Successors<'_, D> { + crate fn outgoing_regions(&self, region_sup: RegionVid) -> Successors<'_, 'tcx, D> { Successors { edges: self.constraint_graph.outgoing_edges(region_sup, self.set, self.static_region), } } } -crate struct Successors<'s, D: ConstraintGraphDirecton> { - edges: Edges<'s, D>, +crate struct Successors<'s, 'tcx, D: ConstraintGraphDirecton> { + edges: Edges<'s, 'tcx, D>, } -impl<'s, D: ConstraintGraphDirecton> Iterator for Successors<'s, D> { +impl<'s, 'tcx, D: ConstraintGraphDirecton> Iterator for Successors<'s, 'tcx, D> { type Item = RegionVid; fn next(&mut self) -> Option<Self::Item> { @@ -207,23 +208,26 @@ impl<'s, D: ConstraintGraphDirecton> Iterator for Successors<'s, D> { } } -impl<'s, D: ConstraintGraphDirecton> graph::DirectedGraph for RegionGraph<'s, D> { +impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::DirectedGraph for RegionGraph<'s, 'tcx, D> { type Node = RegionVid; } -impl<'s, D: ConstraintGraphDirecton> graph::WithNumNodes for RegionGraph<'s, D> { +impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::WithNumNodes for RegionGraph<'s, 'tcx, D> { fn num_nodes(&self) -> usize { self.constraint_graph.first_constraints.len() } } -impl<'s, D: ConstraintGraphDirecton> graph::WithSuccessors for RegionGraph<'s, D> { +impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::WithSuccessors for RegionGraph<'s, 'tcx, D> { fn successors(&self, node: Self::Node) -> <Self as graph::GraphSuccessors<'_>>::Iter { self.outgoing_regions(node) } } -impl<'s, 'graph, D: ConstraintGraphDirecton> graph::GraphSuccessors<'graph> for RegionGraph<'s, D> { +impl<'s, 'graph, 'tcx, D: ConstraintGraphDirecton> graph::GraphSuccessors<'graph> + for RegionGraph<'s, 'tcx, D> +{ type Item = RegionVid; - type Iter = Successors<'graph, D>; + // FIXME - why can't this be `'graph, 'tcx` + type Iter = Successors<'graph, 'graph, D>; } diff --git a/compiler/rustc_mir/src/borrow_check/constraints/mod.rs b/compiler/rustc_mir/src/borrow_check/constraints/mod.rs index 3772b7d8f98..b944479ca45 100644 --- a/compiler/rustc_mir/src/borrow_check/constraints/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/constraints/mod.rs @@ -1,7 +1,7 @@ use rustc_data_structures::graph::scc::Sccs; use rustc_index::vec::IndexVec; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::RegionVid; +use rustc_middle::ty::{RegionVid, VarianceDiagInfo}; use std::fmt; use std::ops::Index; @@ -14,12 +14,12 @@ crate mod graph; /// a unique `OutlivesConstraintIndex` and you can index into the set /// (`constraint_set[i]`) to access the constraint details. #[derive(Clone, Default)] -crate struct OutlivesConstraintSet { - outlives: IndexVec<OutlivesConstraintIndex, OutlivesConstraint>, +crate struct OutlivesConstraintSet<'tcx> { + outlives: IndexVec<OutlivesConstraintIndex, OutlivesConstraint<'tcx>>, } -impl OutlivesConstraintSet { - crate fn push(&mut self, constraint: OutlivesConstraint) { +impl<'tcx> OutlivesConstraintSet<'tcx> { + crate fn push(&mut self, constraint: OutlivesConstraint<'tcx>) { debug!( "OutlivesConstraintSet::push({:?}: {:?} @ {:?}", constraint.sup, constraint.sub, constraint.locations @@ -59,21 +59,21 @@ impl OutlivesConstraintSet { Sccs::new(region_graph) } - crate fn outlives(&self) -> &IndexVec<OutlivesConstraintIndex, OutlivesConstraint> { + crate fn outlives(&self) -> &IndexVec<OutlivesConstraintIndex, OutlivesConstraint<'tcx>> { &self.outlives } } -impl Index<OutlivesConstraintIndex> for OutlivesConstraintSet { - type Output = OutlivesConstraint; +impl<'tcx> Index<OutlivesConstraintIndex> for OutlivesConstraintSet<'tcx> { + type Output = OutlivesConstraint<'tcx>; fn index(&self, i: OutlivesConstraintIndex) -> &Self::Output { &self.outlives[i] } } -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)] -pub struct OutlivesConstraint { +#[derive(Clone, PartialEq, Eq, PartialOrd, Ord)] +pub struct OutlivesConstraint<'tcx> { // NB. The ordering here is not significant for correctness, but // it is for convenience. Before we dump the constraints in the // debugging logs, we sort them, and we'd like the "super region" @@ -89,11 +89,18 @@ pub struct OutlivesConstraint { /// What caused this constraint? pub category: ConstraintCategory, + + /// Variance diagnostic information + pub variance_info: VarianceDiagInfo<'tcx>, } -impl fmt::Debug for OutlivesConstraint { +impl<'tcx> fmt::Debug for OutlivesConstraint<'tcx> { fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(formatter, "({:?}: {:?}) due to {:?}", self.sup, self.sub, self.locations) + write!( + formatter, + "({:?}: {:?}) due to {:?} ({:?})", + self.sup, self.sub, self.locations, self.variance_info + ) } } diff --git a/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs b/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs index 1b0cae51d58..e9f1ecb9bbc 100644 --- a/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs +++ b/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs @@ -15,6 +15,7 @@ use rustc_middle::ty::{self, RegionVid, TyCtxt}; use rustc_span::symbol::Symbol; use rustc_span::Span; +use crate::borrow_check::region_infer::BlameConstraint; use crate::borrow_check::{ borrow_set::BorrowData, nll::ConstraintDescription, region_infer::Cause, MirBorrowckCtxt, WriteKind, @@ -289,12 +290,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { borrow_region: RegionVid, outlived_region: RegionVid, ) -> (ConstraintCategory, bool, Span, Option<RegionName>) { - let (category, from_closure, span) = self.regioncx.best_blame_constraint( - &self.body, - borrow_region, - NllRegionVariableOrigin::FreeRegion, - |r| self.regioncx.provides_universal_region(r, borrow_region, outlived_region), - ); + let BlameConstraint { category, from_closure, span, variance_info: _ } = + self.regioncx.best_blame_constraint( + &self.body, + borrow_region, + NllRegionVariableOrigin::FreeRegion, + |r| self.regioncx.provides_universal_region(r, borrow_region, outlived_region), + ); let outlived_fr_name = self.give_region_a_name(outlived_region); diff --git a/compiler/rustc_mir/src/borrow_check/diagnostics/region_errors.rs b/compiler/rustc_mir/src/borrow_check/diagnostics/region_errors.rs index 8665ef06126..feb7672f650 100644 --- a/compiler/rustc_mir/src/borrow_check/diagnostics/region_errors.rs +++ b/compiler/rustc_mir/src/borrow_check/diagnostics/region_errors.rs @@ -13,6 +13,7 @@ use rustc_span::Span; use crate::util::borrowck_errors; +use crate::borrow_check::region_infer::BlameConstraint; use crate::borrow_check::{ nll::ConstraintDescription, region_infer::{values::RegionElement, TypeTest}, @@ -275,12 +276,12 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { ) { debug!("report_region_error(fr={:?}, outlived_fr={:?})", fr, outlived_fr); - let (category, _, span) = + let BlameConstraint { category, span, variance_info, from_closure: _ } = self.regioncx.best_blame_constraint(&self.body, fr, fr_origin, |r| { self.regioncx.provides_universal_region(r, fr, outlived_fr) }); - debug!("report_region_error: category={:?} {:?}", category, span); + debug!("report_region_error: category={:?} {:?} {:?}", category, span, variance_info); // Check if we can use one of the "nice region errors". if let (Some(f), Some(o)) = (self.to_error_region(fr), self.to_error_region(outlived_fr)) { let nice = NiceRegionError::new_from_span(self.infcx, span, o, f); @@ -309,7 +310,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { span, }; - let diag = match (category, fr_is_local, outlived_fr_is_local) { + let mut diag = match (category, fr_is_local, outlived_fr_is_local) { (ConstraintCategory::Return(kind), true, false) if self.is_closure_fn_mut(fr) => { self.report_fnmut_error(&errci, kind) } @@ -332,6 +333,19 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } }; + match variance_info { + ty::VarianceDiagInfo::None => {} + ty::VarianceDiagInfo::Mut { kind, ty } => { + let kind_name = match kind { + ty::VarianceDiagMutKind::Ref => "reference", + ty::VarianceDiagMutKind::RawPtr => "pointer", + }; + diag.note(&format!("requirement occurs because of a mutable {kind_name} to {ty}",)); + diag.note(&format!("mutable {kind_name}s are invariant over their type parameter")); + diag.help("see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance"); + } + } + diag.buffer(&mut self.errors_buffer); } diff --git a/compiler/rustc_mir/src/borrow_check/mod.rs b/compiler/rustc_mir/src/borrow_check/mod.rs index 4c35be39a3d..36eb8a4baa8 100644 --- a/compiler/rustc_mir/src/borrow_check/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/mod.rs @@ -1965,13 +1965,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { // no move out from an earlier location) then this is an attempt at initialization // of the union - we should error in that case. let tcx = this.infcx.tcx; - if let ty::Adt(def, _) = base.ty(this.body(), tcx).ty.kind() { - if def.is_union() { - if this.move_data.path_map[mpi].iter().any(|moi| { - this.move_data.moves[*moi].source.is_predecessor_of(location, this.body) - }) { - return; - } + if base.ty(this.body(), tcx).ty.is_union() { + if this.move_data.path_map[mpi].iter().any(|moi| { + this.move_data.moves[*moi].source.is_predecessor_of(location, this.body) + }) { + return; } } diff --git a/compiler/rustc_mir/src/borrow_check/nll.rs b/compiler/rustc_mir/src/borrow_check/nll.rs index a0265b20d12..bfeafa33a91 100644 --- a/compiler/rustc_mir/src/borrow_check/nll.rs +++ b/compiler/rustc_mir/src/borrow_check/nll.rs @@ -1,15 +1,14 @@ //! The entry point of the NLL borrow checker. -use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::vec_map::VecMap; use rustc_errors::Diagnostic; -use rustc_hir::def_id::DefId; use rustc_index::vec::IndexVec; use rustc_infer::infer::InferCtxt; use rustc_middle::mir::{ BasicBlock, Body, ClosureOutlivesSubject, ClosureRegionRequirements, LocalKind, Location, Promoted, }; -use rustc_middle::ty::{self, RegionKind, RegionVid}; +use rustc_middle::ty::{self, OpaqueTypeKey, RegionKind, RegionVid, Ty}; use rustc_span::symbol::sym; use std::env; use std::fmt::Debug; @@ -47,7 +46,7 @@ crate type PoloniusOutput = Output<RustcFacts>; /// closure requirements to propagate, and any generated errors. crate struct NllOutput<'tcx> { pub regioncx: RegionInferenceContext<'tcx>, - pub opaque_type_values: FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>>, + pub opaque_type_values: VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, pub polonius_output: Option<Rc<PoloniusOutput>>, pub opt_closure_req: Option<ClosureRegionRequirements<'tcx>>, pub nll_errors: RegionErrors<'tcx>, @@ -367,7 +366,7 @@ pub(super) fn dump_annotation<'a, 'tcx>( body: &Body<'tcx>, regioncx: &RegionInferenceContext<'tcx>, closure_region_requirements: &Option<ClosureRegionRequirements<'_>>, - opaque_type_values: &FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>>, + opaque_type_values: &VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, errors_buffer: &mut Vec<Diagnostic>, ) { let tcx = infcx.tcx; diff --git a/compiler/rustc_mir/src/borrow_check/places_conflict.rs b/compiler/rustc_mir/src/borrow_check/places_conflict.rs index 3654b51949e..d21550a8e1a 100644 --- a/compiler/rustc_mir/src/borrow_check/places_conflict.rs +++ b/compiler/rustc_mir/src/borrow_check/places_conflict.rs @@ -331,17 +331,14 @@ fn place_projection_conflict<'tcx>( Overlap::EqualOrDisjoint } else { let ty = Place::ty_from(pi1_local, pi1_proj_base, body, tcx).ty; - match ty.kind() { - ty::Adt(def, _) if def.is_union() => { - // Different fields of a union, we are basically stuck. - debug!("place_element_conflict: STUCK-UNION"); - Overlap::Arbitrary - } - _ => { - // Different fields of a struct (`a.x` vs. `a.y`). Disjoint! - debug!("place_element_conflict: DISJOINT-FIELD"); - Overlap::Disjoint - } + if ty.is_union() { + // Different fields of a union, we are basically stuck. + debug!("place_element_conflict: STUCK-UNION"); + Overlap::Arbitrary + } else { + // Different fields of a struct (`a.x` vs. `a.y`). Disjoint! + debug!("place_element_conflict: DISJOINT-FIELD"); + Overlap::Disjoint } } } diff --git a/compiler/rustc_mir/src/borrow_check/region_infer/dump_mir.rs b/compiler/rustc_mir/src/borrow_check/region_infer/dump_mir.rs index 5892ef37eba..213ebff12ab 100644 --- a/compiler/rustc_mir/src/borrow_check/region_infer/dump_mir.rs +++ b/compiler/rustc_mir/src/borrow_check/region_infer/dump_mir.rs @@ -74,7 +74,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { let mut constraints: Vec<_> = self.constraints.outlives().iter().collect(); constraints.sort(); for constraint in &constraints { - let OutlivesConstraint { sup, sub, locations, category } = constraint; + let OutlivesConstraint { sup, sub, locations, category, variance_info: _ } = constraint; let (name, arg) = match locations { Locations::All(span) => { ("All", tcx.sess.source_map().span_to_embeddable_string(*span)) diff --git a/compiler/rustc_mir/src/borrow_check/region_infer/graphviz.rs b/compiler/rustc_mir/src/borrow_check/region_infer/graphviz.rs index 7156612f473..b944d74e6f2 100644 --- a/compiler/rustc_mir/src/borrow_check/region_infer/graphviz.rs +++ b/compiler/rustc_mir/src/borrow_check/region_infer/graphviz.rs @@ -35,7 +35,7 @@ struct RawConstraints<'a, 'tcx> { impl<'a, 'this, 'tcx> dot::Labeller<'this> for RawConstraints<'a, 'tcx> { type Node = RegionVid; - type Edge = OutlivesConstraint; + type Edge = OutlivesConstraint<'tcx>; fn graph_id(&'this self) -> dot::Id<'this> { dot::Id::new("RegionInferenceContext").unwrap() @@ -49,31 +49,31 @@ impl<'a, 'this, 'tcx> dot::Labeller<'this> for RawConstraints<'a, 'tcx> { fn node_label(&'this self, n: &RegionVid) -> dot::LabelText<'this> { dot::LabelText::LabelStr(format!("{:?}", n).into()) } - fn edge_label(&'this self, e: &OutlivesConstraint) -> dot::LabelText<'this> { + fn edge_label(&'this self, e: &OutlivesConstraint<'tcx>) -> dot::LabelText<'this> { dot::LabelText::LabelStr(format!("{:?}", e.locations).into()) } } impl<'a, 'this, 'tcx> dot::GraphWalk<'this> for RawConstraints<'a, 'tcx> { type Node = RegionVid; - type Edge = OutlivesConstraint; + type Edge = OutlivesConstraint<'tcx>; fn nodes(&'this self) -> dot::Nodes<'this, RegionVid> { let vids: Vec<RegionVid> = self.regioncx.definitions.indices().collect(); vids.into() } - fn edges(&'this self) -> dot::Edges<'this, OutlivesConstraint> { + fn edges(&'this self) -> dot::Edges<'this, OutlivesConstraint<'tcx>> { (&self.regioncx.constraints.outlives().raw[..]).into() } // Render `a: b` as `a -> b`, indicating the flow // of data during inference. - fn source(&'this self, edge: &OutlivesConstraint) -> RegionVid { + fn source(&'this self, edge: &OutlivesConstraint<'tcx>) -> RegionVid { edge.sup } - fn target(&'this self, edge: &OutlivesConstraint) -> RegionVid { + fn target(&'this self, edge: &OutlivesConstraint<'tcx>) -> RegionVid { edge.sub } } diff --git a/compiler/rustc_mir/src/borrow_check/region_infer/mod.rs b/compiler/rustc_mir/src/borrow_check/region_infer/mod.rs index f4d78ac04cb..dded7a7e3cf 100644 --- a/compiler/rustc_mir/src/borrow_check/region_infer/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/region_infer/mod.rs @@ -54,7 +54,7 @@ pub struct RegionInferenceContext<'tcx> { liveness_constraints: LivenessValues<RegionVid>, /// The outlives constraints computed by the type-check. - constraints: Frozen<OutlivesConstraintSet>, + constraints: Frozen<OutlivesConstraintSet<'tcx>>, /// The constraint-set, but in graph form, making it easy to traverse /// the constraints adjacent to a particular region. Used to construct @@ -227,10 +227,10 @@ enum RegionRelationCheckResult { Error, } -#[derive(Copy, Clone, PartialEq, Eq, Debug)] -enum Trace { +#[derive(Clone, PartialEq, Eq, Debug)] +enum Trace<'tcx> { StartRegion, - FromOutlivesConstraint(OutlivesConstraint), + FromOutlivesConstraint(OutlivesConstraint<'tcx>), NotVisited, } @@ -247,7 +247,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { universal_regions: Rc<UniversalRegions<'tcx>>, placeholder_indices: Rc<PlaceholderIndices>, universal_region_relations: Frozen<UniversalRegionRelations<'tcx>>, - outlives_constraints: OutlivesConstraintSet, + outlives_constraints: OutlivesConstraintSet<'tcx>, member_constraints_in: MemberConstraintSet<'tcx, RegionVid>, closure_bounds_mapping: FxHashMap< Location, @@ -1750,20 +1750,35 @@ impl<'tcx> RegionInferenceContext<'tcx> { crate fn retrieve_closure_constraint_info( &self, body: &Body<'tcx>, - constraint: &OutlivesConstraint, - ) -> (ConstraintCategory, bool, Span) { + constraint: &OutlivesConstraint<'tcx>, + ) -> BlameConstraint<'tcx> { let loc = match constraint.locations { - Locations::All(span) => return (constraint.category, false, span), + Locations::All(span) => { + return BlameConstraint { + category: constraint.category, + from_closure: false, + span, + variance_info: constraint.variance_info.clone(), + }; + } Locations::Single(loc) => loc, }; let opt_span_category = self.closure_bounds_mapping[&loc].get(&(constraint.sup, constraint.sub)); - opt_span_category.map(|&(category, span)| (category, true, span)).unwrap_or(( - constraint.category, - false, - body.source_info(loc).span, - )) + opt_span_category + .map(|&(category, span)| BlameConstraint { + category, + from_closure: true, + span: span, + variance_info: constraint.variance_info.clone(), + }) + .unwrap_or(BlameConstraint { + category: constraint.category, + from_closure: false, + span: body.source_info(loc).span, + variance_info: constraint.variance_info.clone(), + }) } /// Finds a good span to blame for the fact that `fr1` outlives `fr2`. @@ -1774,9 +1789,10 @@ impl<'tcx> RegionInferenceContext<'tcx> { fr1_origin: NllRegionVariableOrigin, fr2: RegionVid, ) -> (ConstraintCategory, Span) { - let (category, _, span) = self.best_blame_constraint(body, fr1, fr1_origin, |r| { - self.provides_universal_region(r, fr1, fr2) - }); + let BlameConstraint { category, span, .. } = + self.best_blame_constraint(body, fr1, fr1_origin, |r| { + self.provides_universal_region(r, fr1, fr2) + }); (category, span) } @@ -1792,7 +1808,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { &self, from_region: RegionVid, target_test: impl Fn(RegionVid) -> bool, - ) -> Option<(Vec<OutlivesConstraint>, RegionVid)> { + ) -> Option<(Vec<OutlivesConstraint<'tcx>>, RegionVid)> { let mut context = IndexVec::from_elem(Trace::NotVisited, &self.definitions); context[from_region] = Trace::StartRegion; @@ -1816,14 +1832,14 @@ impl<'tcx> RegionInferenceContext<'tcx> { let mut result = vec![]; let mut p = r; loop { - match context[p] { + match context[p].clone() { Trace::NotVisited => { bug!("found unvisited region {:?} on path to {:?}", p, r) } Trace::FromOutlivesConstraint(c) => { - result.push(c); p = c.sup; + result.push(c); } Trace::StartRegion => { @@ -1846,7 +1862,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // Always inline this closure because it can be hot. let mut handle_constraint = #[inline(always)] - |constraint: OutlivesConstraint| { + |constraint: OutlivesConstraint<'tcx>| { debug_assert_eq!(constraint.sup, r); let sub_region = constraint.sub; if let Trace::NotVisited = context[sub_region] { @@ -1870,6 +1886,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { sub: constraint.min_choice, locations: Locations::All(p_c.definition_span), category: ConstraintCategory::OpaqueType, + variance_info: ty::VarianceDiagInfo::default(), }; handle_constraint(constraint); } @@ -1967,7 +1984,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { from_region: RegionVid, from_region_origin: NllRegionVariableOrigin, target_test: impl Fn(RegionVid) -> bool, - ) -> (ConstraintCategory, bool, Span) { + ) -> BlameConstraint<'tcx> { debug!( "best_blame_constraint(from_region={:?}, from_region_origin={:?})", from_region, from_region_origin @@ -1979,7 +1996,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { debug!( "best_blame_constraint: path={:#?}", path.iter() - .map(|&c| format!( + .map(|c| format!( "{:?} ({:?}: {:?})", c, self.constraint_sccs.scc(c.sup), @@ -1989,13 +2006,18 @@ impl<'tcx> RegionInferenceContext<'tcx> { ); // Classify each of the constraints along the path. - let mut categorized_path: Vec<(ConstraintCategory, bool, Span)> = path + let mut categorized_path: Vec<BlameConstraint<'tcx>> = path .iter() .map(|constraint| { if constraint.category == ConstraintCategory::ClosureBounds { self.retrieve_closure_constraint_info(body, &constraint) } else { - (constraint.category, false, constraint.locations.span(body)) + BlameConstraint { + category: constraint.category, + from_closure: false, + span: constraint.locations.span(body), + variance_info: constraint.variance_info.clone(), + } } }) .collect(); @@ -2067,12 +2089,12 @@ impl<'tcx> RegionInferenceContext<'tcx> { }; let find_region = |i: &usize| { - let constraint = path[*i]; + let constraint = &path[*i]; let constraint_sup_scc = self.constraint_sccs.scc(constraint.sup); if blame_source { - match categorized_path[*i].0 { + match categorized_path[*i].category { ConstraintCategory::OpaqueType | ConstraintCategory::Boring | ConstraintCategory::BoringNoLocation @@ -2083,7 +2105,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { _ => constraint_sup_scc != target_scc, } } else { - match categorized_path[*i].0 { + match categorized_path[*i].category { ConstraintCategory::OpaqueType | ConstraintCategory::Boring | ConstraintCategory::BoringNoLocation @@ -2103,37 +2125,42 @@ impl<'tcx> RegionInferenceContext<'tcx> { if let Some(i) = best_choice { if let Some(next) = categorized_path.get(i + 1) { - if matches!(categorized_path[i].0, ConstraintCategory::Return(_)) - && next.0 == ConstraintCategory::OpaqueType + if matches!(categorized_path[i].category, ConstraintCategory::Return(_)) + && next.category == ConstraintCategory::OpaqueType { // The return expression is being influenced by the return type being // impl Trait, point at the return type and not the return expr. - return *next; + return next.clone(); } } - if categorized_path[i].0 == ConstraintCategory::Return(ReturnConstraint::Normal) { + if categorized_path[i].category == ConstraintCategory::Return(ReturnConstraint::Normal) + { let field = categorized_path.iter().find_map(|p| { - if let ConstraintCategory::ClosureUpvar(f) = p.0 { Some(f) } else { None } + if let ConstraintCategory::ClosureUpvar(f) = p.category { + Some(f) + } else { + None + } }); if let Some(field) = field { - categorized_path[i].0 = + categorized_path[i].category = ConstraintCategory::Return(ReturnConstraint::ClosureUpvar(field)); } } - return categorized_path[i]; + return categorized_path[i].clone(); } // If that search fails, that is.. unusual. Maybe everything // is in the same SCC or something. In that case, find what // appears to be the most interesting point to report to the // user via an even more ad-hoc guess. - categorized_path.sort_by(|p0, p1| p0.0.cmp(&p1.0)); + categorized_path.sort_by(|p0, p1| p0.category.cmp(&p1.category)); debug!("`: sorted_path={:#?}", categorized_path); - *categorized_path.first().unwrap() + categorized_path.remove(0) } } @@ -2228,3 +2255,11 @@ impl<'tcx> ClosureRegionRequirementsExt<'tcx> for ClosureRegionRequirements<'tcx .collect() } } + +#[derive(Clone, Debug)] +pub struct BlameConstraint<'tcx> { + pub category: ConstraintCategory, + pub from_closure: bool, + pub span: Span, + pub variance_info: ty::VarianceDiagInfo<'tcx>, +} diff --git a/compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs b/compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs index 0d1d2551042..3ec24156f22 100644 --- a/compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs +++ b/compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs @@ -1,7 +1,6 @@ -use rustc_data_structures::fx::FxHashMap; -use rustc_hir::def_id::DefId; +use rustc_data_structures::vec_map::VecMap; use rustc_infer::infer::InferCtxt; -use rustc_middle::ty::{self, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable}; use rustc_span::Span; use rustc_trait_selection::opaque_types::InferCtxtExt; @@ -51,12 +50,13 @@ impl<'tcx> RegionInferenceContext<'tcx> { pub(in crate::borrow_check) fn infer_opaque_types( &self, infcx: &InferCtxt<'_, 'tcx>, - opaque_ty_decls: FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>>, + opaque_ty_decls: VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, span: Span, - ) -> FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>> { + ) -> VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>> { opaque_ty_decls .into_iter() - .map(|(opaque_def_id, ty::ResolvedOpaqueTy { concrete_type, substs })| { + .map(|(opaque_type_key, concrete_type)| { + let substs = opaque_type_key.substs; debug!(?concrete_type, ?substs); let mut subst_regions = vec![self.universal_regions.fr_static]; @@ -110,16 +110,14 @@ impl<'tcx> RegionInferenceContext<'tcx> { debug!(?universal_concrete_type, ?universal_substs); + let opaque_type_key = + OpaqueTypeKey { def_id: opaque_type_key.def_id, substs: universal_substs }; let remapped_type = infcx.infer_opaque_definition_from_instantiation( - opaque_def_id, - universal_substs, + opaque_type_key, universal_concrete_type, span, ); - ( - opaque_def_id, - ty::ResolvedOpaqueTy { concrete_type: remapped_type, substs: universal_substs }, - ) + (opaque_type_key, remapped_type) }) .collect() } diff --git a/compiler/rustc_mir/src/borrow_check/type_check/constraint_conversion.rs b/compiler/rustc_mir/src/borrow_check/type_check/constraint_conversion.rs index 8513e5e531b..eb11b937143 100644 --- a/compiler/rustc_mir/src/borrow_check/type_check/constraint_conversion.rs +++ b/compiler/rustc_mir/src/borrow_check/type_check/constraint_conversion.rs @@ -143,6 +143,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { category: self.category, sub, sup, + variance_info: ty::VarianceDiagInfo::default(), }); } diff --git a/compiler/rustc_mir/src/borrow_check/type_check/liveness/mod.rs b/compiler/rustc_mir/src/borrow_check/type_check/liveness/mod.rs index bddcd34ed3e..a34ae281b70 100644 --- a/compiler/rustc_mir/src/borrow_check/type_check/liveness/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/type_check/liveness/mod.rs @@ -107,7 +107,7 @@ fn compute_live_locals( fn regions_that_outlive_free_regions( num_region_vars: usize, universal_regions: &UniversalRegions<'tcx>, - constraint_set: &OutlivesConstraintSet, + constraint_set: &OutlivesConstraintSet<'tcx>, ) -> FxHashSet<RegionVid> { // Build a graph of the outlives constraints thus far. This is // a reverse graph, so for each constraint `R1: R2` we have an diff --git a/compiler/rustc_mir/src/borrow_check/type_check/mod.rs b/compiler/rustc_mir/src/borrow_check/type_check/mod.rs index d27fcb2f26f..09cafddeeff 100644 --- a/compiler/rustc_mir/src/borrow_check/type_check/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/type_check/mod.rs @@ -7,9 +7,10 @@ use either::Either; use rustc_data_structures::frozen::Frozen; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::vec_map::VecMap; use rustc_errors::struct_span_err; use rustc_hir as hir; -use rustc_hir::def_id::{DefId, LocalDefId}; +use rustc_hir::def_id::LocalDefId; use rustc_hir::lang_items::LangItem; use rustc_index::vec::{Idx, IndexVec}; use rustc_infer::infer::canonical::QueryRegionConstraints; @@ -27,8 +28,8 @@ use rustc_middle::ty::cast::CastTy; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::subst::{GenericArgKind, Subst, SubstsRef, UserSubsts}; use rustc_middle::ty::{ - self, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, RegionVid, ToPredicate, Ty, - TyCtxt, UserType, UserTypeAnnotationIndex, WithConstness, + self, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, OpaqueTypeKey, RegionVid, + ToPredicate, Ty, TyCtxt, UserType, UserTypeAnnotationIndex, WithConstness, }; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::VariantIdx; @@ -226,7 +227,7 @@ fn translate_outlives_facts(typeck: &mut TypeChecker<'_, '_>) { let _prof_timer = typeck.infcx.tcx.prof.generic_activity("polonius_fact_generation"); let location_table = cx.location_table; facts.outlives.extend(cx.constraints.outlives_constraints.outlives().iter().flat_map( - |constraint: &OutlivesConstraint| { + |constraint: &OutlivesConstraint<'_>| { if let Some(from_location) = constraint.locations.from_location() { Either::Left(iter::once(( constraint.sup, @@ -572,7 +573,7 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { let locations = location.to_locations(); for constraint in constraints.outlives().iter() { - let mut constraint = *constraint; + let mut constraint = constraint.clone(); constraint.locations = locations; if let ConstraintCategory::Return(_) | ConstraintCategory::UseAsConst @@ -818,7 +819,7 @@ struct TypeChecker<'a, 'tcx> { reported_errors: FxHashSet<(Ty<'tcx>, Span)>, borrowck_context: &'a mut BorrowCheckContext<'a, 'tcx>, universal_region_relations: &'a UniversalRegionRelations<'tcx>, - opaque_type_values: FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>>, + opaque_type_values: VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, } struct BorrowCheckContext<'a, 'tcx> { @@ -833,7 +834,7 @@ struct BorrowCheckContext<'a, 'tcx> { crate struct MirTypeckResults<'tcx> { crate constraints: MirTypeckRegionConstraints<'tcx>, pub(in crate::borrow_check) universal_region_relations: Frozen<UniversalRegionRelations<'tcx>>, - crate opaque_type_values: FxHashMap<DefId, ty::ResolvedOpaqueTy<'tcx>>, + crate opaque_type_values: VecMap<OpaqueTypeKey<'tcx>, Ty<'tcx>>, } /// A collection of region constraints that must be satisfied for the @@ -862,7 +863,7 @@ crate struct MirTypeckRegionConstraints<'tcx> { /// hence it must report on their liveness constraints. crate liveness_constraints: LivenessValues<RegionVid>, - crate outlives_constraints: OutlivesConstraintSet, + crate outlives_constraints: OutlivesConstraintSet<'tcx>, crate member_constraints: MemberConstraintSet<'tcx, RegionVid>, @@ -978,7 +979,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { borrowck_context, reported_errors: Default::default(), universal_region_relations, - opaque_type_values: FxHashMap::default(), + opaque_type_values: VecMap::default(), }; checker.check_user_type_annotations(); checker @@ -1240,7 +1241,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { let param_env = self.param_env; let body = self.body; let concrete_opaque_types = &tcx.typeck(anon_owner_def_id).concrete_opaque_types; - let mut opaque_type_values = Vec::new(); + let mut opaque_type_values = VecMap::new(); debug!("eq_opaque_type_and_type: mir_def_id={:?}", body.source.def_id()); let opaque_type_map = self.fully_perform_op( @@ -1281,37 +1282,39 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { .eq(output_ty, revealed_ty)?, ); - for (&opaque_def_id, opaque_decl) in &opaque_type_map { + for &(opaque_type_key, opaque_decl) in &opaque_type_map { let resolved_ty = infcx.resolve_vars_if_possible(opaque_decl.concrete_ty); let concrete_is_opaque = if let ty::Opaque(def_id, _) = resolved_ty.kind() { - *def_id == opaque_def_id + *def_id == opaque_type_key.def_id } else { false }; - let opaque_defn_ty = match concrete_opaque_types.get(&opaque_def_id) { + + let concrete_ty = match concrete_opaque_types + .get_by(|(key, _)| key.def_id == opaque_type_key.def_id) + { None => { if !concrete_is_opaque { tcx.sess.delay_span_bug( body.span, &format!( "Non-defining use of {:?} with revealed type", - opaque_def_id, + opaque_type_key.def_id, ), ); } continue; } - Some(opaque_defn_ty) => opaque_defn_ty, + Some(concrete_ty) => concrete_ty, }; - debug!("opaque_defn_ty = {:?}", opaque_defn_ty); - let subst_opaque_defn_ty = - opaque_defn_ty.concrete_type.subst(tcx, opaque_decl.substs); + debug!("concrete_ty = {:?}", concrete_ty); + let subst_opaque_defn_ty = concrete_ty.subst(tcx, opaque_type_key.substs); let renumbered_opaque_defn_ty = renumber::renumber_regions(infcx, subst_opaque_defn_ty); debug!( "eq_opaque_type_and_type: concrete_ty={:?}={:?} opaque_defn_ty={:?}", - opaque_decl.concrete_ty, resolved_ty, renumbered_opaque_defn_ty, + concrete_ty, resolved_ty, renumbered_opaque_defn_ty, ); if !concrete_is_opaque { @@ -1322,13 +1325,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { .at(&ObligationCause::dummy(), param_env) .eq(opaque_decl.concrete_ty, renumbered_opaque_defn_ty)?, ); - opaque_type_values.push(( - opaque_def_id, - ty::ResolvedOpaqueTy { - concrete_type: renumbered_opaque_defn_ty, - substs: opaque_decl.substs, - }, - )); + opaque_type_values.insert(opaque_type_key, renumbered_opaque_defn_ty); } else { // We're using an opaque `impl Trait` type without // 'revealing' it. For example, code like this: @@ -1351,7 +1348,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { // gets 'revealed' into debug!( "eq_opaque_type_and_type: non-defining use of {:?}", - opaque_def_id, + opaque_type_key.def_id, ); } } @@ -1376,14 +1373,14 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { // prove that `T: Iterator` where `T` is the type we // instantiated it with). if let Some(opaque_type_map) = opaque_type_map { - for (opaque_def_id, opaque_decl) in opaque_type_map { + for (opaque_type_key, opaque_decl) in opaque_type_map { self.fully_perform_op( locations, ConstraintCategory::OpaqueType, CustomTypeOp::new( |_cx| { infcx.constrain_opaque_type( - opaque_def_id, + opaque_type_key, &opaque_decl, GenerateMemberConstraints::IfNoStaticBound, universal_region_relations, @@ -2535,6 +2532,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { sub: borrow_region.to_region_vid(), locations: location.to_locations(), category, + variance_info: ty::VarianceDiagInfo::default(), }); match mutbl { diff --git a/compiler/rustc_mir/src/borrow_check/type_check/relate_tys.rs b/compiler/rustc_mir/src/borrow_check/type_check/relate_tys.rs index 249945f04b7..f97252a117a 100644 --- a/compiler/rustc_mir/src/borrow_check/type_check/relate_tys.rs +++ b/compiler/rustc_mir/src/borrow_check/type_check/relate_tys.rs @@ -94,7 +94,12 @@ impl TypeRelatingDelegate<'tcx> for NllTypeRelatingDelegate<'_, '_, 'tcx> { ) } - fn push_outlives(&mut self, sup: ty::Region<'tcx>, sub: ty::Region<'tcx>) { + fn push_outlives( + &mut self, + sup: ty::Region<'tcx>, + sub: ty::Region<'tcx>, + info: ty::VarianceDiagInfo<'tcx>, + ) { if let Some(borrowck_context) = &mut self.borrowck_context { let sub = borrowck_context.universal_regions.to_region_vid(sub); let sup = borrowck_context.universal_regions.to_region_vid(sup); @@ -103,6 +108,7 @@ impl TypeRelatingDelegate<'tcx> for NllTypeRelatingDelegate<'_, '_, 'tcx> { sub, locations: self.locations, category: self.category, + variance_info: info, }); } } diff --git a/compiler/rustc_mir/src/dataflow/move_paths/builder.rs b/compiler/rustc_mir/src/dataflow/move_paths/builder.rs index 1bfbb843114..cea465ea1ed 100644 --- a/compiler/rustc_mir/src/dataflow/move_paths/builder.rs +++ b/compiler/rustc_mir/src/dataflow/move_paths/builder.rs @@ -519,10 +519,8 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> { // Check if we are assigning into a field of a union, if so, lookup the place // of the union so it is marked as initialized again. if let Some((place_base, ProjectionElem::Field(_, _))) = place.last_projection() { - if let ty::Adt(def, _) = place_base.ty(self.builder.body, self.builder.tcx).ty.kind() { - if def.is_union() { - place = place_base; - } + if place_base.ty(self.builder.body, self.builder.tcx).ty.is_union() { + place = place_base; } } diff --git a/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs b/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs index 4978cc3606d..a7012cd63f3 100644 --- a/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs +++ b/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs @@ -1,5 +1,5 @@ use rustc_hir::def_id::CrateNum; -use rustc_hir::definitions::{DefPathData, DisambiguatedDefPathData}; +use rustc_hir::definitions::DisambiguatedDefPathData; use rustc_middle::mir::interpret::Allocation; use rustc_middle::ty::{ self, @@ -88,7 +88,7 @@ impl<'tcx> Printer<'tcx> for AbsolutePathPrinter<'tcx> { } fn path_crate(mut self, cnum: CrateNum) -> Result<Self::Path, Self::Error> { - self.path.push_str(&self.tcx.original_crate_name(cnum).as_str()); + self.path.push_str(&self.tcx.crate_name(cnum).as_str()); Ok(self) } @@ -127,11 +127,6 @@ impl<'tcx> Printer<'tcx> for AbsolutePathPrinter<'tcx> { ) -> Result<Self::Path, Self::Error> { self = print_prefix(self)?; - // Skip `::{{constructor}}` on tuple/unit structs. - if disambiguated_data.data == DefPathData::Ctor { - return Ok(self); - } - write!(self.path, "::{}", disambiguated_data.data).unwrap(); Ok(self) diff --git a/compiler/rustc_mir/src/lib.rs b/compiler/rustc_mir/src/lib.rs index 647c368d2bb..1da17bddcb7 100644 --- a/compiler/rustc_mir/src/lib.rs +++ b/compiler/rustc_mir/src/lib.rs @@ -12,16 +12,14 @@ Rust MIR: a lowered representation of Rust. #![feature(bool_to_option)] #![feature(box_patterns)] #![feature(box_syntax)] -#![feature(const_panic)] #![feature(crate_visibility_modifier)] #![feature(decl_macro)] #![feature(exact_size_is_empty)] -#![feature(exhaustive_patterns)] +#![feature(format_args_capture)] #![feature(iter_zip)] #![feature(never_type)] #![feature(map_try_insert)] #![feature(min_specialization)] -#![feature(slice_ptr_len)] #![feature(slice_ptr_get)] #![feature(trusted_len)] #![feature(try_blocks)] @@ -31,7 +29,6 @@ Rust MIR: a lowered representation of Rust. #![feature(option_get_or_insert_default)] #![feature(once_cell)] #![feature(control_flow_enum)] -#![feature(trusted_step)] #![recursion_limit = "256"] #[macro_use] diff --git a/compiler/rustc_mir/src/transform/check_consts/validation.rs b/compiler/rustc_mir/src/transform/check_consts/validation.rs index 41d9d0d04b5..4fbd27c89d9 100644 --- a/compiler/rustc_mir/src/transform/check_consts/validation.rs +++ b/compiler/rustc_mir/src/transform/check_consts/validation.rs @@ -356,10 +356,9 @@ impl Validator<'mir, 'tcx> { } fn check_static(&mut self, def_id: DefId, span: Span) { - assert!( - !self.tcx.is_thread_local_static(def_id), - "tls access is checked in `Rvalue::ThreadLocalRef" - ); + if self.tcx.is_thread_local_static(def_id) { + self.tcx.sess.delay_span_bug(span, "tls access is checked in `Rvalue::ThreadLocalRef"); + } self.check_op_spanned(ops::StaticAccess, span) } @@ -730,13 +729,11 @@ impl Visitor<'tcx> for Validator<'mir, 'tcx> { let base_ty = Place::ty_from(place_local, proj_base, self.body, self.tcx).ty; if let ty::RawPtr(_) = base_ty.kind() { if proj_base.is_empty() { - if let (local, []) = (place_local, proj_base) { - let decl = &self.body.local_decls[local]; - if let Some(box LocalInfo::StaticRef { def_id, .. }) = decl.local_info { - let span = decl.source_info.span; - self.check_static(def_id, span); - return; - } + let decl = &self.body.local_decls[place_local]; + if let Some(box LocalInfo::StaticRef { def_id, .. }) = decl.local_info { + let span = decl.source_info.span; + self.check_static(def_id, span); + return; } } self.check_op(ops::RawPtrDeref); @@ -753,12 +750,8 @@ impl Visitor<'tcx> for Validator<'mir, 'tcx> { | ProjectionElem::Field(..) | ProjectionElem::Index(_) => { let base_ty = Place::ty_from(place_local, proj_base, self.body, self.tcx).ty; - match base_ty.ty_adt_def() { - Some(def) if def.is_union() => { - self.check_op(ops::UnionAccess); - } - - _ => {} + if base_ty.is_union() { + self.check_op(ops::UnionAccess); } } } diff --git a/compiler/rustc_mir/src/transform/check_unsafety.rs b/compiler/rustc_mir/src/transform/check_unsafety.rs index 955be8cc81e..103ddda1a1d 100644 --- a/compiler/rustc_mir/src/transform/check_unsafety.rs +++ b/compiler/rustc_mir/src/transform/check_unsafety.rs @@ -221,7 +221,7 @@ impl<'a, 'tcx> Visitor<'tcx> for UnsafetyChecker<'a, 'tcx> { } let base_ty = base.ty(self.body, self.tcx).ty; - if base_ty.ty_adt_def().map_or(false, |adt| adt.is_union()) { + if base_ty.is_union() { // If we did not hit a `Deref` yet and the overall place use is an assignment, the // rules are different. let assign_to_field = !saw_deref @@ -376,6 +376,12 @@ impl<'a, 'tcx> UnsafetyChecker<'a, 'tcx> { /// Checks whether calling `func_did` needs an `unsafe` context or not, i.e. whether /// the called function has target features the calling function hasn't. fn check_target_features(&mut self, func_did: DefId) { + // Unsafety isn't required on wasm targets. For more information see + // the corresponding check in typeck/src/collect.rs + if self.tcx.sess.target.options.is_like_wasm { + return; + } + let callee_features = &self.tcx.codegen_fn_attrs(func_did).target_features; let self_features = &self.tcx.codegen_fn_attrs(self.body_did).target_features; diff --git a/compiler/rustc_mir/src/transform/const_goto.rs b/compiler/rustc_mir/src/transform/const_goto.rs index b5c8b4bebc3..ba10b54c5ae 100644 --- a/compiler/rustc_mir/src/transform/const_goto.rs +++ b/compiler/rustc_mir/src/transform/const_goto.rs @@ -47,7 +47,7 @@ impl<'tcx> MirPass<'tcx> for ConstGoto { // if we applied optimizations, we potentially have some cfg to cleanup to // make it easier for further passes if should_simplify { - simplify_cfg(body); + simplify_cfg(tcx, body); simplify_locals(body, tcx); } } diff --git a/compiler/rustc_mir/src/transform/coverage/debug.rs b/compiler/rustc_mir/src/transform/coverage/debug.rs index 2397d627880..f6672335cb1 100644 --- a/compiler/rustc_mir/src/transform/coverage/debug.rs +++ b/compiler/rustc_mir/src/transform/coverage/debug.rs @@ -116,7 +116,6 @@ use crate::util::pretty; use crate::util::spanview::{self, SpanViewable}; use rustc_data_structures::fx::FxHashMap; -use rustc_index::vec::Idx; use rustc_middle::mir::coverage::*; use rustc_middle::mir::{self, BasicBlock, TerminatorKind}; use rustc_middle::ty::TyCtxt; diff --git a/compiler/rustc_mir/src/transform/deduplicate_blocks.rs b/compiler/rustc_mir/src/transform/deduplicate_blocks.rs index c41e71e09a4..912505c6598 100644 --- a/compiler/rustc_mir/src/transform/deduplicate_blocks.rs +++ b/compiler/rustc_mir/src/transform/deduplicate_blocks.rs @@ -26,7 +26,7 @@ impl<'tcx> MirPass<'tcx> for DeduplicateBlocks { if has_opts_to_apply { let mut opt_applier = OptApplier { tcx, duplicates }; opt_applier.visit_body(body); - simplify_cfg(body); + simplify_cfg(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/dest_prop.rs b/compiler/rustc_mir/src/transform/dest_prop.rs index 29df86ca6cd..4f5a467a6ee 100644 --- a/compiler/rustc_mir/src/transform/dest_prop.rs +++ b/compiler/rustc_mir/src/transform/dest_prop.rs @@ -114,7 +114,7 @@ use rustc_middle::mir::{ traversal, Body, InlineAsmOperand, Local, LocalKind, Location, Operand, Place, PlaceElem, Rvalue, Statement, StatementKind, Terminator, TerminatorKind, }; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::TyCtxt; // Empirical measurements have resulted in some observations: // - Running on a body with a single block and 500 locals takes barely any time @@ -910,17 +910,8 @@ impl<'a, 'tcx> Visitor<'tcx> for FindAssignments<'a, 'tcx> { // Handle the "subtle case" described above by rejecting any `dest` that is or // projects through a union. - let is_union = |ty: Ty<'_>| { - if let ty::Adt(def, _) = ty.kind() { - if def.is_union() { - return true; - } - } - - false - }; let mut place_ty = PlaceTy::from_ty(self.body.local_decls[dest.local].ty); - if is_union(place_ty.ty) { + if place_ty.ty.is_union() { return; } for elem in dest.projection { @@ -930,7 +921,7 @@ impl<'a, 'tcx> Visitor<'tcx> for FindAssignments<'a, 'tcx> { } place_ty = place_ty.projection_ty(self.tcx, elem); - if is_union(place_ty.ty) { + if place_ty.ty.is_union() { return; } } diff --git a/compiler/rustc_mir/src/transform/early_otherwise_branch.rs b/compiler/rustc_mir/src/transform/early_otherwise_branch.rs index 7934d4ba849..07127042fa4 100644 --- a/compiler/rustc_mir/src/transform/early_otherwise_branch.rs +++ b/compiler/rustc_mir/src/transform/early_otherwise_branch.rs @@ -164,7 +164,7 @@ impl<'tcx> MirPass<'tcx> for EarlyOtherwiseBranch { // Since this optimization adds new basic blocks and invalidates others, // clean up the cfg to make it nicer for other passes if should_cleanup { - simplify_cfg(body); + simplify_cfg(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/generator.rs b/compiler/rustc_mir/src/transform/generator.rs index 003003a8abb..3560b4b1e86 100644 --- a/compiler/rustc_mir/src/transform/generator.rs +++ b/compiler/rustc_mir/src/transform/generator.rs @@ -964,7 +964,7 @@ fn create_generator_drop_shim<'tcx>( // Make sure we remove dead blocks to remove // unrelated code from the resume part of the function - simplify::remove_dead_blocks(&mut body); + simplify::remove_dead_blocks(tcx, &mut body); dump_mir(tcx, None, "generator_drop", &0, &body, |_, _| Ok(())); @@ -1137,7 +1137,7 @@ fn create_generator_resume_function<'tcx>( // Make sure we remove dead blocks to remove // unrelated code from the drop part of the function - simplify::remove_dead_blocks(body); + simplify::remove_dead_blocks(tcx, body); dump_mir(tcx, None, "generator_resume", &0, body, |_, _| Ok(())); } diff --git a/compiler/rustc_mir/src/transform/inline.rs b/compiler/rustc_mir/src/transform/inline.rs index b6f80763bc8..f1c95a84ade 100644 --- a/compiler/rustc_mir/src/transform/inline.rs +++ b/compiler/rustc_mir/src/transform/inline.rs @@ -57,7 +57,7 @@ impl<'tcx> MirPass<'tcx> for Inline { if inline(tcx, body) { debug!("running simplify cfg on {:?}", body.source); CfgSimplifier::new(body).simplify(); - remove_dead_blocks(body); + remove_dead_blocks(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/instcombine.rs b/compiler/rustc_mir/src/transform/instcombine.rs index 7aaf0224164..b64189a7f3c 100644 --- a/compiler/rustc_mir/src/transform/instcombine.rs +++ b/compiler/rustc_mir/src/transform/instcombine.rs @@ -4,7 +4,7 @@ use crate::transform::MirPass; use rustc_hir::Mutability; use rustc_middle::mir::{ BinOp, Body, Constant, LocalDecls, Operand, Place, ProjectionElem, Rvalue, SourceInfo, - StatementKind, + StatementKind, UnOp, }; use rustc_middle::ty::{self, TyCtxt}; @@ -47,28 +47,35 @@ impl<'tcx, 'a> InstCombineContext<'tcx, 'a> { Rvalue::BinaryOp(op @ (BinOp::Eq | BinOp::Ne), box (a, b)) => { let new = match (op, self.try_eval_bool(a), self.try_eval_bool(b)) { // Transform "Eq(a, true)" ==> "a" - (BinOp::Eq, _, Some(true)) => Some(a.clone()), + (BinOp::Eq, _, Some(true)) => Some(Rvalue::Use(a.clone())), // Transform "Ne(a, false)" ==> "a" - (BinOp::Ne, _, Some(false)) => Some(a.clone()), + (BinOp::Ne, _, Some(false)) => Some(Rvalue::Use(a.clone())), // Transform "Eq(true, b)" ==> "b" - (BinOp::Eq, Some(true), _) => Some(b.clone()), + (BinOp::Eq, Some(true), _) => Some(Rvalue::Use(b.clone())), // Transform "Ne(false, b)" ==> "b" - (BinOp::Ne, Some(false), _) => Some(b.clone()), + (BinOp::Ne, Some(false), _) => Some(Rvalue::Use(b.clone())), - // FIXME: Consider combining remaining comparisons into logical operations: // Transform "Eq(false, b)" ==> "Not(b)" + (BinOp::Eq, Some(false), _) => Some(Rvalue::UnaryOp(UnOp::Not, b.clone())), + // Transform "Ne(true, b)" ==> "Not(b)" + (BinOp::Ne, Some(true), _) => Some(Rvalue::UnaryOp(UnOp::Not, b.clone())), + // Transform "Eq(a, false)" ==> "Not(a)" + (BinOp::Eq, _, Some(false)) => Some(Rvalue::UnaryOp(UnOp::Not, a.clone())), + // Transform "Ne(a, true)" ==> "Not(a)" + (BinOp::Ne, _, Some(true)) => Some(Rvalue::UnaryOp(UnOp::Not, a.clone())), + _ => None, }; if let Some(new) = new { if self.should_combine(source_info, rvalue) { - *rvalue = Rvalue::Use(new); + *rvalue = new; } } } diff --git a/compiler/rustc_mir/src/transform/match_branches.rs b/compiler/rustc_mir/src/transform/match_branches.rs index f7a9835353e..21b208a08c2 100644 --- a/compiler/rustc_mir/src/transform/match_branches.rs +++ b/compiler/rustc_mir/src/transform/match_branches.rs @@ -167,7 +167,7 @@ impl<'tcx> MirPass<'tcx> for MatchBranchSimplification { } if should_cleanup { - simplify_cfg(body); + simplify_cfg(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/multiple_return_terminators.rs b/compiler/rustc_mir/src/transform/multiple_return_terminators.rs index 4aaa0baa9f4..cd2db180552 100644 --- a/compiler/rustc_mir/src/transform/multiple_return_terminators.rs +++ b/compiler/rustc_mir/src/transform/multiple_return_terminators.rs @@ -38,6 +38,6 @@ impl<'tcx> MirPass<'tcx> for MultipleReturnTerminators { } } - simplify::remove_dead_blocks(body) + simplify::remove_dead_blocks(tcx, body) } } diff --git a/compiler/rustc_mir/src/transform/promote_consts.rs b/compiler/rustc_mir/src/transform/promote_consts.rs index f6b1323e107..78e84419c62 100644 --- a/compiler/rustc_mir/src/transform/promote_consts.rs +++ b/compiler/rustc_mir/src/transform/promote_consts.rs @@ -415,11 +415,9 @@ impl<'tcx> Validator<'_, 'tcx> { ProjectionElem::Field(..) => { let base_ty = place_base.ty(self.body, self.tcx).ty; - if let Some(def) = base_ty.ty_adt_def() { + if base_ty.is_union() { // No promotion of union field accesses. - if def.is_union() { - return Err(Unpromotable); - } + return Err(Unpromotable); } } } diff --git a/compiler/rustc_mir/src/transform/remove_unneeded_drops.rs b/compiler/rustc_mir/src/transform/remove_unneeded_drops.rs index 5144d48750d..02e45021a0a 100644 --- a/compiler/rustc_mir/src/transform/remove_unneeded_drops.rs +++ b/compiler/rustc_mir/src/transform/remove_unneeded_drops.rs @@ -36,7 +36,7 @@ impl<'tcx> MirPass<'tcx> for RemoveUnneededDrops { // if we applied optimizations, we potentially have some cfg to cleanup to // make it easier for further passes if should_simplify { - simplify_cfg(body); + simplify_cfg(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/remove_zsts.rs b/compiler/rustc_mir/src/transform/remove_zsts.rs index 70f7538dd57..40b1a8a2da9 100644 --- a/compiler/rustc_mir/src/transform/remove_zsts.rs +++ b/compiler/rustc_mir/src/transform/remove_zsts.rs @@ -16,32 +16,29 @@ impl<'tcx> MirPass<'tcx> for RemoveZsts { let (basic_blocks, local_decls) = body.basic_blocks_and_local_decls_mut(); for block in basic_blocks.iter_mut() { for statement in block.statements.iter_mut() { - match statement.kind { - StatementKind::Assign(box (place, _)) => { - let place_ty = place.ty(local_decls, tcx).ty; - if !maybe_zst(place_ty) { - continue; - } - let layout = match tcx.layout_of(param_env.and(place_ty)) { - Ok(layout) => layout, - Err(_) => continue, - }; - if !layout.is_zst() { - continue; - } - if involves_a_union(place, local_decls, tcx) { - continue; - } - if tcx.consider_optimizing(|| { - format!( - "RemoveZsts - Place: {:?} SourceInfo: {:?}", - place, statement.source_info - ) - }) { - statement.make_nop(); - } + if let StatementKind::Assign(box (place, _)) = statement.kind { + let place_ty = place.ty(local_decls, tcx).ty; + if !maybe_zst(place_ty) { + continue; + } + let layout = match tcx.layout_of(param_env.and(place_ty)) { + Ok(layout) => layout, + Err(_) => continue, + }; + if !layout.is_zst() { + continue; + } + if involves_a_union(place, local_decls, tcx) { + continue; + } + if tcx.consider_optimizing(|| { + format!( + "RemoveZsts - Place: {:?} SourceInfo: {:?}", + place, statement.source_info + ) + }) { + statement.make_nop(); } - _ => {} } } } @@ -69,21 +66,14 @@ fn involves_a_union<'tcx>( tcx: TyCtxt<'tcx>, ) -> bool { let mut place_ty = PlaceTy::from_ty(local_decls[place.local].ty); - if is_union(place_ty.ty) { + if place_ty.ty.is_union() { return true; } for elem in place.projection { place_ty = place_ty.projection_ty(tcx, elem); - if is_union(place_ty.ty) { + if place_ty.ty.is_union() { return true; } } return false; } - -fn is_union(ty: Ty<'_>) -> bool { - match ty.kind() { - ty::Adt(def, _) if def.is_union() => true, - _ => false, - } -} diff --git a/compiler/rustc_mir/src/transform/simplify.rs b/compiler/rustc_mir/src/transform/simplify.rs index 65e2d096b20..7aebca77e6f 100644 --- a/compiler/rustc_mir/src/transform/simplify.rs +++ b/compiler/rustc_mir/src/transform/simplify.rs @@ -29,6 +29,7 @@ use crate::transform::MirPass; use rustc_index::vec::{Idx, IndexVec}; +use rustc_middle::mir::coverage::*; use rustc_middle::mir::visit::{MutVisitor, MutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::TyCtxt; @@ -46,9 +47,9 @@ impl SimplifyCfg { } } -pub fn simplify_cfg(body: &mut Body<'_>) { +pub fn simplify_cfg(tcx: TyCtxt<'tcx>, body: &mut Body<'_>) { CfgSimplifier::new(body).simplify(); - remove_dead_blocks(body); + remove_dead_blocks(tcx, body); // FIXME: Should probably be moved into some kind of pass manager body.basic_blocks_mut().raw.shrink_to_fit(); @@ -59,9 +60,9 @@ impl<'tcx> MirPass<'tcx> for SimplifyCfg { Cow::Borrowed(&self.label) } - fn run_pass(&self, _tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { + fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { debug!("SimplifyCfg({:?}) - simplifying {:?}", self.label, body.source); - simplify_cfg(body); + simplify_cfg(tcx, body); } } @@ -286,7 +287,7 @@ impl<'a, 'tcx> CfgSimplifier<'a, 'tcx> { } } -pub fn remove_dead_blocks(body: &mut Body<'_>) { +pub fn remove_dead_blocks(tcx: TyCtxt<'tcx>, body: &mut Body<'_>) { let reachable = traversal::reachable_as_bitset(body); let num_blocks = body.basic_blocks().len(); if num_blocks == reachable.count() { @@ -306,6 +307,11 @@ pub fn remove_dead_blocks(body: &mut Body<'_>) { } used_blocks += 1; } + + if tcx.sess.instrument_coverage() { + save_unreachable_coverage(basic_blocks, used_blocks); + } + basic_blocks.raw.truncate(used_blocks); for block in basic_blocks { @@ -315,6 +321,75 @@ pub fn remove_dead_blocks(body: &mut Body<'_>) { } } +/// Some MIR transforms can determine at compile time that a sequences of +/// statements will never be executed, so they can be dropped from the MIR. +/// For example, an `if` or `else` block that is guaranteed to never be executed +/// because its condition can be evaluated at compile time, such as by const +/// evaluation: `if false { ... }`. +/// +/// Those statements are bypassed by redirecting paths in the CFG around the +/// `dead blocks`; but with `-Z instrument-coverage`, the dead blocks usually +/// include `Coverage` statements representing the Rust source code regions to +/// be counted at runtime. Without these `Coverage` statements, the regions are +/// lost, and the Rust source code will show no coverage information. +/// +/// What we want to show in a coverage report is the dead code with coverage +/// counts of `0`. To do this, we need to save the code regions, by injecting +/// `Unreachable` coverage statements. These are non-executable statements whose +/// code regions are still recorded in the coverage map, representing regions +/// with `0` executions. +fn save_unreachable_coverage( + basic_blocks: &mut IndexVec<BasicBlock, BasicBlockData<'_>>, + first_dead_block: usize, +) { + let has_live_counters = basic_blocks.raw[0..first_dead_block].iter().any(|live_block| { + live_block.statements.iter().any(|statement| { + if let StatementKind::Coverage(coverage) = &statement.kind { + matches!(coverage.kind, CoverageKind::Counter { .. }) + } else { + false + } + }) + }); + if !has_live_counters { + // If there are no live `Counter` `Coverage` statements anymore, don't + // move dead coverage to the `START_BLOCK`. Just allow the dead + // `Coverage` statements to be dropped with the dead blocks. + // + // The `generator::StateTransform` MIR pass can create atypical + // conditions, where all live `Counter`s are dropped from the MIR. + // + // At least one Counter per function is required by LLVM (and necessary, + // to add the `function_hash` to the counter's call to the LLVM + // intrinsic `instrprof.increment()`). + return; + } + + // Retain coverage info for dead blocks, so coverage reports will still + // report `0` executions for the uncovered code regions. + let mut dropped_coverage = Vec::new(); + for dead_block in basic_blocks.raw[first_dead_block..].iter() { + for statement in dead_block.statements.iter() { + if let StatementKind::Coverage(coverage) = &statement.kind { + if let Some(code_region) = &coverage.code_region { + dropped_coverage.push((statement.source_info, code_region.clone())); + } + } + } + } + + let start_block = &mut basic_blocks[START_BLOCK]; + for (source_info, code_region) in dropped_coverage { + start_block.statements.push(Statement { + source_info, + kind: StatementKind::Coverage(box Coverage { + kind: CoverageKind::Unreachable, + code_region: Some(code_region), + }), + }) + } +} + pub struct SimplifyLocals; impl<'tcx> MirPass<'tcx> for SimplifyLocals { diff --git a/compiler/rustc_mir/src/transform/simplify_try.rs b/compiler/rustc_mir/src/transform/simplify_try.rs index 89fddc95c98..dd2ec39c066 100644 --- a/compiler/rustc_mir/src/transform/simplify_try.rs +++ b/compiler/rustc_mir/src/transform/simplify_try.rs @@ -558,7 +558,7 @@ impl<'tcx> MirPass<'tcx> for SimplifyBranchSame { if did_remove_blocks { // We have dead blocks now, so remove those. - simplify::remove_dead_blocks(body); + simplify::remove_dead_blocks(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/unreachable_prop.rs b/compiler/rustc_mir/src/transform/unreachable_prop.rs index 658c6b6e9db..e7fb6b4f6b4 100644 --- a/compiler/rustc_mir/src/transform/unreachable_prop.rs +++ b/compiler/rustc_mir/src/transform/unreachable_prop.rs @@ -60,7 +60,7 @@ impl MirPass<'_> for UnreachablePropagation { } if replaced { - simplify::remove_dead_blocks(body); + simplify::remove_dead_blocks(tcx, body); } } } diff --git a/compiler/rustc_mir/src/transform/validate.rs b/compiler/rustc_mir/src/transform/validate.rs index d009b0b1b23..835789069bb 100644 --- a/compiler/rustc_mir/src/transform/validate.rs +++ b/compiler/rustc_mir/src/transform/validate.rs @@ -11,8 +11,9 @@ use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::traversal; use rustc_middle::mir::visit::{PlaceContext, Visitor}; use rustc_middle::mir::{ - AggregateKind, BasicBlock, Body, BorrowKind, Local, Location, MirPhase, Operand, PlaceRef, - Rvalue, SourceScope, Statement, StatementKind, Terminator, TerminatorKind, + AggregateKind, BasicBlock, Body, BorrowKind, Local, Location, MirPhase, Operand, PlaceElem, + PlaceRef, ProjectionElem, Rvalue, SourceScope, Statement, StatementKind, Terminator, + TerminatorKind, }; use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::{self, ParamEnv, Ty, TyCtxt, TypeFoldable}; @@ -217,6 +218,23 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { self.super_operand(operand, location); } + fn visit_projection_elem( + &mut self, + local: Local, + proj_base: &[PlaceElem<'tcx>], + elem: PlaceElem<'tcx>, + context: PlaceContext, + location: Location, + ) { + if let ProjectionElem::Index(index) = elem { + let index_ty = self.body.local_decls[index].ty; + if index_ty != self.tcx.types.usize { + self.fail(location, format!("bad index ({:?} != usize)", index_ty)) + } + } + self.super_projection_elem(local, proj_base, elem, context, location); + } + fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location) { match &statement.kind { StatementKind::Assign(box (dest, rvalue)) => { diff --git a/compiler/rustc_mir/src/util/generic_graph.rs b/compiler/rustc_mir/src/util/generic_graph.rs index 6ce305a4821..770b52a4d4b 100644 --- a/compiler/rustc_mir/src/util/generic_graph.rs +++ b/compiler/rustc_mir/src/util/generic_graph.rs @@ -1,6 +1,5 @@ use gsgdt::{Edge, Graph, Node, NodeStyle}; use rustc_hir::def_id::DefId; -use rustc_index::vec::Idx; use rustc_middle::mir::*; use rustc_middle::ty::TyCtxt; diff --git a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs index 2185bd3a5c6..69786c14ee8 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs @@ -186,25 +186,21 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // }; // ``` // - // FIXME(RFC2229, rust#85435): Remove feature gate once diagnostics are - // improved and unsafe checking works properly in closure bodies again. - if this.tcx.features().capture_disjoint_fields { - for (thir_place, cause, hir_id) in fake_reads.into_iter() { - let place_builder = - unpack!(block = this.as_place_builder(block, &this.thir[*thir_place])); - - if let Ok(place_builder_resolved) = - place_builder.try_upvars_resolved(this.tcx, this.typeck_results) - { - let mir_place = - place_builder_resolved.into_place(this.tcx, this.typeck_results); - this.cfg.push_fake_read( - block, - this.source_info(this.tcx.hir().span(*hir_id)), - *cause, - mir_place, - ); - } + for (thir_place, cause, hir_id) in fake_reads.into_iter() { + let place_builder = + unpack!(block = this.as_place_builder(block, &this.thir[*thir_place])); + + if let Ok(place_builder_resolved) = + place_builder.try_upvars_resolved(this.tcx, this.typeck_results) + { + let mir_place = + place_builder_resolved.into_place(this.tcx, this.typeck_results); + this.cfg.push_fake_read( + block, + this.source_info(this.tcx.hir().span(*hir_id)), + *cause, + mir_place, + ); } } diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index d1aaabe92ed..2d52577829c 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -166,13 +166,16 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> { self.requires_unsafe(expr.span, CallToUnsafeFunction); } else if let &ty::FnDef(func_did, _) = self.thir[fun].ty.kind() { // If the called function has target features the calling function hasn't, - // the call requires `unsafe`. - if !self - .tcx - .codegen_fn_attrs(func_did) - .target_features - .iter() - .all(|feature| self.body_target_features.contains(feature)) + // the call requires `unsafe`. Don't check this on wasm + // targets, though. For more information on wasm see the + // is_like_wasm check in typeck/src/collect.rs + if !self.tcx.sess.target.options.is_like_wasm + && !self + .tcx + .codegen_fn_attrs(func_did) + .target_features + .iter() + .all(|feature| self.body_target_features.contains(feature)) { self.requires_unsafe(expr.span, CallToFunctionWith); } diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs index 99b854ff066..d2992f0bf18 100644 --- a/compiler/rustc_mir_build/src/lib.rs +++ b/compiler/rustc_mir_build/src/lib.rs @@ -1,17 +1,14 @@ //! Construction of MIR from HIR. //! //! This crate also contains the match exhaustiveness and usefulness checking. -#![feature(array_windows)] #![feature(box_patterns)] #![feature(box_syntax)] -#![feature(const_panic)] #![feature(control_flow_enum)] #![feature(crate_visibility_modifier)] #![feature(bool_to_option)] #![feature(iter_zip)] #![feature(once_cell)] #![feature(min_specialization)] -#![feature(trusted_step)] #![recursion_limit = "256"] #[macro_use] diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index da642bb2d28..51df06bd989 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -3,7 +3,6 @@ #![feature(array_windows)] #![feature(crate_visibility_modifier)] #![feature(bindings_after_at)] -#![feature(iter_order_by)] #![feature(box_syntax)] #![feature(box_patterns)] #![recursion_limit = "256"] diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 35759a396e8..e1d0b84f419 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -342,16 +342,10 @@ impl<'a> Parser<'a> { // If we support tokens at all if let Some(target_tokens) = ret.tokens_mut() { - if let Some(target_tokens) = target_tokens { - assert!( - !self.capture_cfg, - "Encountered existing tokens with capture_cfg set: {:?}", - target_tokens - ); - } else { + if target_tokens.is_none() { // Store se our newly captured tokens into the AST node *target_tokens = Some(tokens.clone()); - }; + } } let final_attrs = ret.attrs(); diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 56c97b59476..a764cf6bdb0 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -94,17 +94,7 @@ impl<'a> Parser<'a> { /// Parses an expression, forcing tokens to be collected pub fn parse_expr_force_collect(&mut self) -> PResult<'a, P<Expr>> { - // If we have outer attributes, then the call to `collect_tokens_trailing_token` - // will be made for us. - if matches!(self.token.kind, TokenKind::Pound | TokenKind::DocComment(..)) { - self.parse_expr() - } else { - // If we don't have outer attributes, then we need to ensure - // that collection happens by using `collect_tokens_no_attrs`. - // Expression don't support custom inner attributes, so `parse_expr` - // will never try to collect tokens if we don't have outer attributes. - self.collect_tokens_no_attrs(|this| this.parse_expr()) - } + self.collect_tokens_no_attrs(|this| this.parse_expr()) } pub fn parse_anon_const_expr(&mut self) -> PResult<'a, AnonConst> { diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 4c2bc6ebf31..cd9f84db5e5 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -63,6 +63,7 @@ enum BlockMode { /// Whether or not we should force collection of tokens for an AST node, /// regardless of whether or not it has attributes +#[derive(Clone, Copy, PartialEq)] pub enum ForceCollect { Yes, No, diff --git a/compiler/rustc_parse/src/parser/nonterminal.rs b/compiler/rustc_parse/src/parser/nonterminal.rs index 0c43e304f1e..30a6b61407f 100644 --- a/compiler/rustc_parse/src/parser/nonterminal.rs +++ b/compiler/rustc_parse/src/parser/nonterminal.rs @@ -1,5 +1,6 @@ use rustc_ast::ptr::P; use rustc_ast::token::{self, Nonterminal, NonterminalKind, Token}; +use rustc_ast::AstLike; use rustc_ast_pretty::pprust; use rustc_errors::PResult; use rustc_span::symbol::{kw, Ident}; @@ -102,7 +103,7 @@ impl<'a> Parser<'a> { // which requires having captured tokens available. Since we cannot determine // in advance whether or not a proc-macro will be (transitively) invoked, // we always capture tokens for any `Nonterminal` which needs them. - Ok(match kind { + let mut nt = match kind { NonterminalKind::Item => match self.parse_item(ForceCollect::Yes)? { Some(item) => token::NtItem(item), None => { @@ -169,7 +170,19 @@ impl<'a> Parser<'a> { return Err(self.struct_span_err(self.token.span, msg)); } } - }) + }; + + // If tokens are supported at all, they should be collected. + if matches!(nt.tokens_mut(), Some(None)) { + panic!( + "Missing tokens for nt {:?} at {:?}: {:?}", + nt, + nt.span(), + pprust::nonterminal_to_string(&nt) + ); + } + + Ok(nt) } } diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 9cc600d9ede..953c6915068 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -352,49 +352,59 @@ impl<'a> Parser<'a> { debug!("parse_generic_args_with_leading_angle_bracket_recovery: (snapshotting)"); match self.parse_angle_args() { Ok(args) => Ok(args), - Err(ref mut e) if is_first_invocation && self.unmatched_angle_bracket_count > 0 => { - // Cancel error from being unable to find `>`. We know the error - // must have been this due to a non-zero unmatched angle bracket - // count. - e.cancel(); - + Err(mut e) if is_first_invocation && self.unmatched_angle_bracket_count > 0 => { // Swap `self` with our backup of the parser state before attempting to parse // generic arguments. let snapshot = mem::replace(self, snapshot.unwrap()); - debug!( - "parse_generic_args_with_leading_angle_bracket_recovery: (snapshot failure) \ - snapshot.count={:?}", - snapshot.unmatched_angle_bracket_count, - ); - // Eat the unmatched angle brackets. - for _ in 0..snapshot.unmatched_angle_bracket_count { - self.eat_lt(); - } - - // Make a span over ${unmatched angle bracket count} characters. - let span = lo.with_hi(lo.lo() + BytePos(snapshot.unmatched_angle_bracket_count)); - self.struct_span_err( - span, - &format!( - "unmatched angle bracket{}", - pluralize!(snapshot.unmatched_angle_bracket_count) - ), - ) - .span_suggestion( - span, - &format!( - "remove extra angle bracket{}", - pluralize!(snapshot.unmatched_angle_bracket_count) - ), - String::new(), - Applicability::MachineApplicable, - ) - .emit(); + let all_angle_brackets = (0..snapshot.unmatched_angle_bracket_count) + .fold(true, |a, _| a && self.eat_lt()); + + if !all_angle_brackets { + // If there are other tokens in between the extraneous `<`s, we cannot simply + // suggest to remove them. This check also prevents us from accidentally ending + // up in the middle of a multibyte character (issue #84104). + let _ = mem::replace(self, snapshot); + Err(e) + } else { + // Cancel error from being unable to find `>`. We know the error + // must have been this due to a non-zero unmatched angle bracket + // count. + e.cancel(); + + debug!( + "parse_generic_args_with_leading_angle_bracket_recovery: (snapshot failure) \ + snapshot.count={:?}", + snapshot.unmatched_angle_bracket_count, + ); + + // Make a span over ${unmatched angle bracket count} characters. + // This is safe because `all_angle_brackets` ensures that there are only `<`s, + // i.e. no multibyte characters, in this range. + let span = + lo.with_hi(lo.lo() + BytePos(snapshot.unmatched_angle_bracket_count)); + self.struct_span_err( + span, + &format!( + "unmatched angle bracket{}", + pluralize!(snapshot.unmatched_angle_bracket_count) + ), + ) + .span_suggestion( + span, + &format!( + "remove extra angle bracket{}", + pluralize!(snapshot.unmatched_angle_bracket_count) + ), + String::new(), + Applicability::MachineApplicable, + ) + .emit(); - // Try again without unmatched angle bracket characters. - self.parse_angle_args() + // Try again without unmatched angle bracket characters. + self.parse_angle_args() + } } Err(e) => Err(e), } diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index b40eed8c5d1..4f0dcfeb5da 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -73,7 +73,11 @@ impl<'a> Parser<'a> { // or `auto trait` items. We aim to parse an arbitrary path `a::b` but not something // that starts like a path (1 token), but it fact not a path. // Also, we avoid stealing syntax from `parse_item_`. - self.parse_stmt_path_start(lo, attrs, force_collect)? + if force_collect == ForceCollect::Yes { + self.collect_tokens_no_attrs(|this| this.parse_stmt_path_start(lo, attrs)) + } else { + self.parse_stmt_path_start(lo, attrs) + }? } else if let Some(item) = self.parse_item_common(attrs.clone(), false, true, |_| true, force_collect)? { @@ -85,7 +89,13 @@ impl<'a> Parser<'a> { self.mk_stmt(lo, StmtKind::Empty) } else if self.token != token::CloseDelim(token::Brace) { // Remainder are line-expr stmts. - let e = self.parse_expr_res(Restrictions::STMT_EXPR, Some(attrs))?; + let e = if force_collect == ForceCollect::Yes { + self.collect_tokens_no_attrs(|this| { + this.parse_expr_res(Restrictions::STMT_EXPR, Some(attrs)) + }) + } else { + self.parse_expr_res(Restrictions::STMT_EXPR, Some(attrs)) + }?; self.mk_stmt(lo.to(e.span), StmtKind::Expr(e)) } else { self.error_outer_attrs(&attrs.take_for_recovery()); @@ -93,13 +103,8 @@ impl<'a> Parser<'a> { })) } - fn parse_stmt_path_start( - &mut self, - lo: Span, - attrs: AttrWrapper, - force_collect: ForceCollect, - ) -> PResult<'a, Stmt> { - let stmt = self.collect_tokens_trailing_token(attrs, force_collect, |this, attrs| { + fn parse_stmt_path_start(&mut self, lo: Span, attrs: AttrWrapper) -> PResult<'a, Stmt> { + let stmt = self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| { let path = this.parse_path(PathStyle::Expr)?; if this.eat(&token::Not) { diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 89cf2d7876e..de5a5632600 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -334,7 +334,6 @@ impl<'a> Parser<'a> { mut bounds: GenericBounds, plus: bool, ) -> PResult<'a, TyKind> { - assert_ne!(self.token, token::Question); if plus { self.eat_plus(); // `+`, or `+=` gets split and `+` is discarded bounds.append(&mut self.parse_generic_bounds(Some(self.prev_token.span))?); diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index bf574bbfbb5..b18ef302962 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -577,7 +577,7 @@ impl CheckAttrVisitor<'tcx> { target: Target, specified_inline: &mut Option<(bool, Span)>, ) -> bool { - if target == Target::Use { + if target == Target::Use || target == Target::ExternCrate { let do_inline = meta.name_or_empty() == sym::inline; if let Some((prev_inline, prev_span)) = *specified_inline { if do_inline != prev_inline { @@ -705,7 +705,7 @@ impl CheckAttrVisitor<'tcx> { let mut is_valid = true; if let Some(list) = attr.meta().and_then(|mi| mi.meta_item_list().map(|l| l.to_vec())) { - for meta in list { + for meta in &list { if let Some(i_meta) = meta.meta_item() { match i_meta.name_or_empty() { sym::alias @@ -757,7 +757,6 @@ impl CheckAttrVisitor<'tcx> { | sym::html_no_source | sym::html_playground_url | sym::html_root_url - | sym::include | sym::inline | sym::issue_tracker_base_url | sym::keyword @@ -792,6 +791,30 @@ impl CheckAttrVisitor<'tcx> { ); diag.note("`doc(spotlight)` is now a no-op"); } + if i_meta.has_name(sym::include) { + if let Some(value) = i_meta.value_str() { + // if there are multiple attributes, the suggestion would suggest deleting all of them, which is incorrect + let applicability = if list.len() == 1 { + Applicability::MachineApplicable + } else { + Applicability::MaybeIncorrect + }; + let inner = if attr.style == AttrStyle::Inner { + "!" + } else { + "" + }; + diag.span_suggestion( + attr.meta().unwrap().span, + "use `doc = include_str!` instead", + format!( + "#{}[doc = include_str!(\"{}\")]", + inner, value + ), + applicability, + ); + } + } diag.emit(); }, ); diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs index 4803148eba9..28633faa205 100644 --- a/compiler/rustc_passes/src/lib.rs +++ b/compiler/rustc_passes/src/lib.rs @@ -5,13 +5,11 @@ //! This API is completely unstable and subject to change. #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![feature(const_panic)] #![feature(crate_visibility_modifier)] #![feature(in_band_lifetimes)] #![feature(iter_zip)] #![feature(nll)] #![feature(min_specialization)] -#![feature(trusted_step)] #![recursion_limit = "256"] #[macro_use] diff --git a/compiler/rustc_query_impl/src/lib.rs b/compiler/rustc_query_impl/src/lib.rs index ac81c0261e2..4175fb6925a 100644 --- a/compiler/rustc_query_impl/src/lib.rs +++ b/compiler/rustc_query_impl/src/lib.rs @@ -2,13 +2,9 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![feature(in_band_lifetimes)] -#![feature(exhaustive_patterns)] #![feature(nll)] #![feature(min_specialization)] -#![feature(crate_visibility_modifier)] -#![feature(once_cell)] #![feature(rustc_attrs)] -#![feature(never_type)] #![recursion_limit = "256"] #[macro_use] diff --git a/compiler/rustc_query_impl/src/profiling_support.rs b/compiler/rustc_query_impl/src/profiling_support.rs index 2517793ecea..95edc1e93a5 100644 --- a/compiler/rustc_query_impl/src/profiling_support.rs +++ b/compiler/rustc_query_impl/src/profiling_support.rs @@ -61,7 +61,7 @@ impl<'p, 'c, 'tcx> QueryKeyStringBuilder<'p, 'c, 'tcx> { match def_key.disambiguated_data.data { DefPathData::CrateRoot => { - crate_name = self.tcx.original_crate_name(def_id.krate).as_str(); + crate_name = self.tcx.crate_name(def_id.krate).as_str(); name = &*crate_name; dis = ""; end_index = 3; diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs index cfae65abe83..71e67dfee53 100644 --- a/compiler/rustc_query_system/src/dep_graph/graph.rs +++ b/compiler/rustc_query_system/src/dep_graph/graph.rs @@ -44,6 +44,7 @@ rustc_index::newtype_index! { impl DepNodeIndex { pub const INVALID: DepNodeIndex = DepNodeIndex::MAX; + pub const SINGLETON_DEPENDENCYLESS_ANON_NODE: DepNodeIndex = DepNodeIndex::from_u32(0); } impl std::convert::From<DepNodeIndex> for QueryInvocationId { @@ -108,6 +109,7 @@ where impl<K: DepKind> DepGraph<K> { pub fn new( + profiler: &SelfProfilerRef, prev_graph: SerializedDepGraph<K>, prev_work_products: FxHashMap<WorkProductId, WorkProduct>, encoder: FileEncoder, @@ -116,16 +118,23 @@ impl<K: DepKind> DepGraph<K> { ) -> DepGraph<K> { let prev_graph_node_count = prev_graph.node_count(); + let current = + CurrentDepGraph::new(prev_graph_node_count, encoder, record_graph, record_stats); + + // Instantiate a dependy-less node only once for anonymous queries. + let _green_node_index = current.intern_new_node( + profiler, + DepNode { kind: DepKind::NULL, hash: current.anon_id_seed.into() }, + smallvec![], + Fingerprint::ZERO, + ); + debug_assert_eq!(_green_node_index, DepNodeIndex::SINGLETON_DEPENDENCYLESS_ANON_NODE); + DepGraph { data: Some(Lrc::new(DepGraphData { previous_work_products: prev_work_products, dep_node_debug: Default::default(), - current: CurrentDepGraph::new( - prev_graph_node_count, - encoder, - record_graph, - record_stats, - ), + current, emitting_diagnostics: Default::default(), emitting_diagnostics_cond_var: Condvar::new(), previous: prev_graph, @@ -287,30 +296,47 @@ impl<K: DepKind> DepGraph<K> { let task_deps = Lock::new(TaskDeps::default()); let result = K::with_deps(Some(&task_deps), op); let task_deps = task_deps.into_inner(); + let task_deps = task_deps.reads; + + let dep_node_index = match task_deps.len() { + 0 => { + // Because the dep-node id of anon nodes is computed from the sets of its + // dependencies we already know what the ID of this dependency-less node is + // going to be (i.e. equal to the precomputed + // `SINGLETON_DEPENDENCYLESS_ANON_NODE`). As a consequence we can skip creating + // a `StableHasher` and sending the node through interning. + DepNodeIndex::SINGLETON_DEPENDENCYLESS_ANON_NODE + } + 1 => { + // When there is only one dependency, don't bother creating a node. + task_deps[0] + } + _ => { + // The dep node indices are hashed here instead of hashing the dep nodes of the + // dependencies. These indices may refer to different nodes per session, but this isn't + // a problem here because we that ensure the final dep node hash is per session only by + // combining it with the per session random number `anon_id_seed`. This hash only need + // to map the dependencies to a single value on a per session basis. + let mut hasher = StableHasher::new(); + task_deps.hash(&mut hasher); + + let target_dep_node = DepNode { + kind: dep_kind, + // Fingerprint::combine() is faster than sending Fingerprint + // through the StableHasher (at least as long as StableHasher + // is so slow). + hash: data.current.anon_id_seed.combine(hasher.finish()).into(), + }; - // The dep node indices are hashed here instead of hashing the dep nodes of the - // dependencies. These indices may refer to different nodes per session, but this isn't - // a problem here because we that ensure the final dep node hash is per session only by - // combining it with the per session random number `anon_id_seed`. This hash only need - // to map the dependencies to a single value on a per session basis. - let mut hasher = StableHasher::new(); - task_deps.reads.hash(&mut hasher); - - let target_dep_node = DepNode { - kind: dep_kind, - // Fingerprint::combine() is faster than sending Fingerprint - // through the StableHasher (at least as long as StableHasher - // is so slow). - hash: data.current.anon_id_seed.combine(hasher.finish()).into(), + data.current.intern_new_node( + cx.profiler(), + target_dep_node, + task_deps, + Fingerprint::ZERO, + ) + } }; - let dep_node_index = data.current.intern_new_node( - cx.profiler(), - target_dep_node, - task_deps.reads, - Fingerprint::ZERO, - ); - (result, dep_node_index) } else { (op(), self.next_virtual_depnode_index()) diff --git a/compiler/rustc_query_system/src/dep_graph/serialized.rs b/compiler/rustc_query_system/src/dep_graph/serialized.rs index 6a84a28be66..73c00fc49ba 100644 --- a/compiler/rustc_query_system/src/dep_graph/serialized.rs +++ b/compiler/rustc_query_system/src/dep_graph/serialized.rs @@ -122,21 +122,21 @@ impl<'a, K: DepKind + Decodable<opaque::Decoder<'a>>> Decodable<opaque::Decoder< let mut edge_list_data = Vec::with_capacity(edge_count); for _index in 0..node_count { - d.read_struct("NodeInfo", 3, |d| { - let dep_node: DepNode<K> = d.read_struct_field("node", 0, Decodable::decode)?; + d.read_struct(|d| { + let dep_node: DepNode<K> = d.read_struct_field("node", Decodable::decode)?; let _i: SerializedDepNodeIndex = nodes.push(dep_node); debug_assert_eq!(_i.index(), _index); let fingerprint: Fingerprint = - d.read_struct_field("fingerprint", 1, Decodable::decode)?; + d.read_struct_field("fingerprint", Decodable::decode)?; let _i: SerializedDepNodeIndex = fingerprints.push(fingerprint); debug_assert_eq!(_i.index(), _index); - d.read_struct_field("edges", 2, |d| { + d.read_struct_field("edges", |d| { d.read_seq(|d, len| { let start = edge_list_data.len().try_into().unwrap(); - for e in 0..len { - let edge = d.read_seq_elt(e, Decodable::decode)?; + for _ in 0..len { + let edge = d.read_seq_elt(Decodable::decode)?; edge_list_data.push(edge); } let end = edge_list_data.len().try_into().unwrap(); diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs index 7df3804c986..0d4fb34265c 100644 --- a/compiler/rustc_query_system/src/lib.rs +++ b/compiler/rustc_query_system/src/lib.rs @@ -1,12 +1,8 @@ #![feature(bool_to_option)] -#![feature(const_panic)] #![feature(core_intrinsics)] -#![feature(drain_filter)] #![feature(hash_raw_entry)] #![feature(iter_zip)] #![feature(min_specialization)] -#![feature(stmt_expr_attributes)] -#![feature(trusted_step)] #[macro_use] extern crate tracing; diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index a1eafd65d64..03d94f43897 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -450,7 +450,7 @@ impl<'a> Resolver<'a> { err.span_label(shadowed_binding_span, msg); err } - ResolutionError::ForwardDeclaredTyParam => { + ResolutionError::ForwardDeclaredGenericParam => { let mut err = struct_span_err!( self.session, span, diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 662d39f6ef3..408d9b23921 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -1959,7 +1959,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> { if ns == ValueNS { let item_name = path.last().unwrap().ident; let traits = self.traits_in_scope(item_name, ns); - self.r.trait_map.insert(id, traits); + self.r.trait_map.as_mut().unwrap().insert(id, traits); } if PrimTy::from_name(path[0].ident.name).is_some() { @@ -2435,12 +2435,12 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> { // the field name so that we can do some nice error reporting // later on in typeck. let traits = self.traits_in_scope(ident, ValueNS); - self.r.trait_map.insert(expr.id, traits); + self.r.trait_map.as_mut().unwrap().insert(expr.id, traits); } ExprKind::MethodCall(ref segment, ..) => { debug!("(recording candidate traits for expr) recording traits for {}", expr.id); let traits = self.traits_in_scope(segment.ident, ValueNS); - self.r.trait_map.insert(expr.id, traits); + self.r.trait_map.as_mut().unwrap().insert(expr.id, traits); } _ => { // Nothing to do. diff --git a/compiler/rustc_resolve/src/late/lifetimes.rs b/compiler/rustc_resolve/src/late/lifetimes.rs index efa5d7e7b11..ca7cdc4caf5 100644 --- a/compiler/rustc_resolve/src/late/lifetimes.rs +++ b/compiler/rustc_resolve/src/late/lifetimes.rs @@ -1841,14 +1841,6 @@ fn object_lifetime_defaults_for_item( } impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { - // FIXME(#37666) this works around a limitation in the region inferencer - fn hack<F>(&mut self, f: F) - where - F: for<'b> FnOnce(&mut LifetimeContext<'b, 'tcx>), - { - f(self) - } - fn with<F>(&mut self, wrap_scope: Scope<'_>, f: F) where F: for<'b> FnOnce(ScopeRef<'_>, &mut LifetimeContext<'b, 'tcx>), @@ -2252,7 +2244,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { }; self.with(scope, move |old_scope, this| { this.check_lifetime_params(old_scope, &generics.params); - this.hack(walk); // FIXME(#37666) workaround in place of `walk(this)` + walk(this); }); } diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 29d4271c475..fd9b897111a 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -242,7 +242,7 @@ enum ResolutionError<'a> { shadowed_binding_span: Span, }, /// Error E0128: generic parameters with a default cannot use forward-declared identifiers. - ForwardDeclaredTyParam, // FIXME(const_generics_defaults) + ForwardDeclaredGenericParam, /// ERROR E0770: the type of const parameters must not depend on other generic parameters. ParamInTyOfConstParam(Symbol), /// generic parameters must not be used inside const evaluations. @@ -909,7 +909,7 @@ pub struct Resolver<'a> { /// `CrateNum` resolutions of `extern crate` items. extern_crate_map: FxHashMap<LocalDefId, CrateNum>, export_map: ExportMap<LocalDefId>, - trait_map: NodeMap<Vec<TraitCandidate>>, + trait_map: Option<NodeMap<Vec<TraitCandidate>>>, /// A map from nodes to anonymous modules. /// Anonymous modules are pseudo-modules that are implicitly created around items @@ -1138,8 +1138,8 @@ impl ResolverAstLowering for Resolver<'_> { self.next_node_id() } - fn trait_map(&self) -> &NodeMap<Vec<TraitCandidate>> { - &self.trait_map + fn take_trait_map(&mut self) -> NodeMap<Vec<TraitCandidate>> { + std::mem::replace(&mut self.trait_map, None).unwrap() } fn opt_local_def_id(&self, node: NodeId) -> Option<LocalDefId> { @@ -1222,7 +1222,7 @@ impl<'a> Resolver<'a> { let mut module_map = FxHashMap::default(); module_map.insert(root_local_def_id, graph_root); - let definitions = Definitions::new(session.local_stable_crate_id()); + let definitions = Definitions::new(crate_name, session.local_crate_disambiguator()); let root = definitions.get_root_def(); let mut visibilities = FxHashMap::default(); @@ -1286,7 +1286,7 @@ impl<'a> Resolver<'a> { label_res_map: Default::default(), extern_crate_map: Default::default(), export_map: FxHashMap::default(), - trait_map: Default::default(), + trait_map: Some(NodeMap::default()), underscore_disambiguator: 0, empty_module, module_map, @@ -2608,7 +2608,7 @@ impl<'a> Resolver<'a> { let res_error = if rib_ident.name == kw::SelfUpper { ResolutionError::SelfInTyParamDefault } else { - ResolutionError::ForwardDeclaredTyParam + ResolutionError::ForwardDeclaredGenericParam }; self.report_error(span, res_error); } diff --git a/compiler/rustc_save_analysis/src/dump_visitor.rs b/compiler/rustc_save_analysis/src/dump_visitor.rs index 842f7f9deee..54b6a121585 100644 --- a/compiler/rustc_save_analysis/src/dump_visitor.rs +++ b/compiler/rustc_save_analysis/src/dump_visitor.rs @@ -142,7 +142,12 @@ impl<'tcx> DumpVisitor<'tcx> { let data = CratePreludeData { crate_id: GlobalCrateId { name: name.into(), - disambiguator: (self.tcx.sess.local_stable_crate_id().to_u64(), 0), + disambiguator: self + .tcx + .sess + .local_crate_disambiguator() + .to_fingerprint() + .as_value(), }, crate_root: crate_root.unwrap_or_else(|| "<no source>".to_owned()), external_crates: self.save_ctxt.get_external_crates(), diff --git a/compiler/rustc_save_analysis/src/lib.rs b/compiler/rustc_save_analysis/src/lib.rs index bdffdd5311e..297383bfed1 100644 --- a/compiler/rustc_save_analysis/src/lib.rs +++ b/compiler/rustc_save_analysis/src/lib.rs @@ -127,10 +127,7 @@ impl<'tcx> SaveContext<'tcx> { num: n.as_u32(), id: GlobalCrateId { name: self.tcx.crate_name(n).to_string(), - disambiguator: ( - self.tcx.def_path_hash(n.as_def_id()).stable_crate_id().to_u64(), - 0, - ), + disambiguator: self.tcx.crate_disambiguator(n).to_fingerprint().as_value(), }, }); } @@ -826,20 +823,6 @@ impl<'tcx> SaveContext<'tcx> { // FIXME: Should save-analysis beautify doc strings itself or leave it to users? result.push_str(&beautify_doc_string(val).as_str()); result.push('\n'); - } else if self.tcx.sess.check_name(attr, sym::doc) { - if let Some(meta_list) = attr.meta_item_list() { - meta_list - .into_iter() - .filter(|it| it.has_name(sym::include)) - .filter_map(|it| it.meta_item_list().map(|l| l.to_owned())) - .flat_map(|it| it) - .filter(|meta| meta.has_name(sym::contents)) - .filter_map(|meta| meta.value_str()) - .for_each(|val| { - result.push_str(&val.as_str()); - result.push('\n'); - }); - } } } diff --git a/compiler/rustc_serialize/src/collection_impls.rs b/compiler/rustc_serialize/src/collection_impls.rs index ae6d27e037b..80a7f650188 100644 --- a/compiler/rustc_serialize/src/collection_impls.rs +++ b/compiler/rustc_serialize/src/collection_impls.rs @@ -21,8 +21,8 @@ impl<D: Decoder, A: Array<Item: Decodable<D>>> Decodable<D> for SmallVec<A> { d.read_seq(|d, len| { let mut vec = SmallVec::with_capacity(len); // FIXME(#48994) - could just be collected into a Result<SmallVec, D::Error> - for i in 0..len { - vec.push(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + vec.push(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(vec) }) @@ -44,8 +44,8 @@ impl<D: Decoder, T: Decodable<D>> Decodable<D> for LinkedList<T> { fn decode(d: &mut D) -> Result<LinkedList<T>, D::Error> { d.read_seq(|d, len| { let mut list = LinkedList::new(); - for i in 0..len { - list.push_back(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + list.push_back(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(list) }) @@ -67,8 +67,8 @@ impl<D: Decoder, T: Decodable<D>> Decodable<D> for VecDeque<T> { fn decode(d: &mut D) -> Result<VecDeque<T>, D::Error> { d.read_seq(|d, len| { let mut deque: VecDeque<T> = VecDeque::with_capacity(len); - for i in 0..len { - deque.push_back(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + deque.push_back(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(deque) }) @@ -84,7 +84,7 @@ where e.emit_map(self.len(), |e| { for (i, (key, val)) in self.iter().enumerate() { e.emit_map_elt_key(i, |e| key.encode(e))?; - e.emit_map_elt_val(i, |e| val.encode(e))?; + e.emit_map_elt_val(|e| val.encode(e))?; } Ok(()) }) @@ -99,9 +99,9 @@ where fn decode(d: &mut D) -> Result<BTreeMap<K, V>, D::Error> { d.read_map(|d, len| { let mut map = BTreeMap::new(); - for i in 0..len { - let key = d.read_map_elt_key(i, |d| Decodable::decode(d))?; - let val = d.read_map_elt_val(i, |d| Decodable::decode(d))?; + for _ in 0..len { + let key = d.read_map_elt_key(|d| Decodable::decode(d))?; + let val = d.read_map_elt_val(|d| Decodable::decode(d))?; map.insert(key, val); } Ok(map) @@ -130,8 +130,8 @@ where fn decode(d: &mut D) -> Result<BTreeSet<T>, D::Error> { d.read_seq(|d, len| { let mut set = BTreeSet::new(); - for i in 0..len { - set.insert(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + set.insert(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(set) }) @@ -148,7 +148,7 @@ where e.emit_map(self.len(), |e| { for (i, (key, val)) in self.iter().enumerate() { e.emit_map_elt_key(i, |e| key.encode(e))?; - e.emit_map_elt_val(i, |e| val.encode(e))?; + e.emit_map_elt_val(|e| val.encode(e))?; } Ok(()) }) @@ -165,9 +165,9 @@ where d.read_map(|d, len| { let state = Default::default(); let mut map = HashMap::with_capacity_and_hasher(len, state); - for i in 0..len { - let key = d.read_map_elt_key(i, |d| Decodable::decode(d))?; - let val = d.read_map_elt_val(i, |d| Decodable::decode(d))?; + for _ in 0..len { + let key = d.read_map_elt_key(|d| Decodable::decode(d))?; + let val = d.read_map_elt_val(|d| Decodable::decode(d))?; map.insert(key, val); } Ok(map) @@ -209,8 +209,8 @@ where d.read_seq(|d, len| { let state = Default::default(); let mut set = HashSet::with_capacity_and_hasher(len, state); - for i in 0..len { - set.insert(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + set.insert(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(set) }) @@ -227,7 +227,7 @@ where e.emit_map(self.len(), |e| { for (i, (key, val)) in self.iter().enumerate() { e.emit_map_elt_key(i, |e| key.encode(e))?; - e.emit_map_elt_val(i, |e| val.encode(e))?; + e.emit_map_elt_val(|e| val.encode(e))?; } Ok(()) }) @@ -244,9 +244,9 @@ where d.read_map(|d, len| { let state = Default::default(); let mut map = indexmap::IndexMap::with_capacity_and_hasher(len, state); - for i in 0..len { - let key = d.read_map_elt_key(i, |d| Decodable::decode(d))?; - let val = d.read_map_elt_val(i, |d| Decodable::decode(d))?; + for _ in 0..len { + let key = d.read_map_elt_key(|d| Decodable::decode(d))?; + let val = d.read_map_elt_val(|d| Decodable::decode(d))?; map.insert(key, val); } Ok(map) @@ -278,8 +278,8 @@ where d.read_seq(|d, len| { let state = Default::default(); let mut set = indexmap::IndexSet::with_capacity_and_hasher(len, state); - for i in 0..len { - set.insert(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + set.insert(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(set) }) diff --git a/compiler/rustc_serialize/src/json.rs b/compiler/rustc_serialize/src/json.rs index 78a102c5c23..b79adb6f7bc 100644 --- a/compiler/rustc_serialize/src/json.rs +++ b/compiler/rustc_serialize/src/json.rs @@ -560,7 +560,7 @@ impl<'a> crate::Encoder for Encoder<'a> { Ok(()) } - fn emit_enum<F>(&mut self, _name: &str, f: F) -> EncodeResult + fn emit_enum<F>(&mut self, f: F) -> EncodeResult where F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { @@ -589,46 +589,20 @@ impl<'a> crate::Encoder for Encoder<'a> { } } - fn emit_enum_variant_arg<F>(&mut self, idx: usize, f: F) -> EncodeResult + fn emit_enum_variant_arg<F>(&mut self, first: bool, f: F) -> EncodeResult where F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - if idx != 0 { + if !first { write!(self.writer, ",")?; } f(self) } - fn emit_enum_struct_variant<F>( - &mut self, - name: &str, - id: usize, - cnt: usize, - f: F, - ) -> EncodeResult - where - F: FnOnce(&mut Encoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_enum_variant(name, id, cnt, f) - } - - fn emit_enum_struct_variant_field<F>(&mut self, _: &str, idx: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut Encoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_enum_variant_arg(idx, f) - } - - fn emit_struct<F>(&mut self, _: &str, _: usize, f: F) -> EncodeResult + fn emit_struct<F>(&mut self, _: bool, f: F) -> EncodeResult where F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { @@ -641,14 +615,14 @@ impl<'a> crate::Encoder for Encoder<'a> { Ok(()) } - fn emit_struct_field<F>(&mut self, name: &str, idx: usize, f: F) -> EncodeResult + fn emit_struct_field<F>(&mut self, name: &str, first: bool, f: F) -> EncodeResult where F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - if idx != 0 { + if !first { write!(self.writer, ",")?; } escape_str(self.writer, name)?; @@ -675,25 +649,6 @@ impl<'a> crate::Encoder for Encoder<'a> { self.emit_seq_elt(idx, f) } - fn emit_tuple_struct<F>(&mut self, _name: &str, len: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut Encoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_seq(len, f) - } - fn emit_tuple_struct_arg<F>(&mut self, idx: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut Encoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_seq_elt(idx, f) - } - fn emit_option<F>(&mut self, f: F) -> EncodeResult where F: FnOnce(&mut Encoder<'a>) -> EncodeResult, @@ -774,7 +729,7 @@ impl<'a> crate::Encoder for Encoder<'a> { Ok(()) } - fn emit_map_elt_val<F>(&mut self, _idx: usize, f: F) -> EncodeResult + fn emit_map_elt_val<F>(&mut self, f: F) -> EncodeResult where F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { @@ -892,7 +847,7 @@ impl<'a> crate::Encoder for PrettyEncoder<'a> { Ok(()) } - fn emit_enum<F>(&mut self, _name: &str, f: F) -> EncodeResult + fn emit_enum<F>(&mut self, f: F) -> EncodeResult where F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, { @@ -930,54 +885,28 @@ impl<'a> crate::Encoder for PrettyEncoder<'a> { } } - fn emit_enum_variant_arg<F>(&mut self, idx: usize, f: F) -> EncodeResult + fn emit_enum_variant_arg<F>(&mut self, first: bool, f: F) -> EncodeResult where F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - if idx != 0 { + if !first { writeln!(self.writer, ",")?; } spaces(self.writer, self.curr_indent)?; f(self) } - fn emit_enum_struct_variant<F>( - &mut self, - name: &str, - id: usize, - cnt: usize, - f: F, - ) -> EncodeResult + fn emit_struct<F>(&mut self, no_fields: bool, f: F) -> EncodeResult where F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - self.emit_enum_variant(name, id, cnt, f) - } - - fn emit_enum_struct_variant_field<F>(&mut self, _: &str, idx: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_enum_variant_arg(idx, f) - } - - fn emit_struct<F>(&mut self, _: &str, len: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - if len == 0 { + if no_fields { write!(self.writer, "{{}}")?; } else { write!(self.writer, "{{")?; @@ -991,14 +920,14 @@ impl<'a> crate::Encoder for PrettyEncoder<'a> { Ok(()) } - fn emit_struct_field<F>(&mut self, name: &str, idx: usize, f: F) -> EncodeResult + fn emit_struct_field<F>(&mut self, name: &str, first: bool, f: F) -> EncodeResult where F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - if idx == 0 { + if first { writeln!(self.writer)?; } else { writeln!(self.writer, ",")?; @@ -1028,25 +957,6 @@ impl<'a> crate::Encoder for PrettyEncoder<'a> { self.emit_seq_elt(idx, f) } - fn emit_tuple_struct<F>(&mut self, _: &str, len: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_seq(len, f) - } - fn emit_tuple_struct_arg<F>(&mut self, idx: usize, f: F) -> EncodeResult - where - F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, - { - if self.is_emitting_map_key { - return Err(EncoderError::BadHashmapKey); - } - self.emit_seq_elt(idx, f) - } - fn emit_option<F>(&mut self, f: F) -> EncodeResult where F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, @@ -1149,7 +1059,7 @@ impl<'a> crate::Encoder for PrettyEncoder<'a> { Ok(()) } - fn emit_map_elt_val<F>(&mut self, _idx: usize, f: F) -> EncodeResult + fn emit_map_elt_val<F>(&mut self, f: F) -> EncodeResult where F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, { @@ -2373,7 +2283,7 @@ impl crate::Decoder for Decoder { Ok(()) } - fn read_enum<T, F>(&mut self, _name: &str, f: F) -> DecodeResult<T> + fn read_enum<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { @@ -2410,33 +2320,14 @@ impl crate::Decoder for Decoder { f(self, idx) } - fn read_enum_variant_arg<T, F>(&mut self, _idx: usize, f: F) -> DecodeResult<T> + fn read_enum_variant_arg<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { f(self) } - fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> DecodeResult<T> - where - F: FnMut(&mut Decoder, usize) -> DecodeResult<T>, - { - self.read_enum_variant(names, f) - } - - fn read_enum_struct_variant_field<T, F>( - &mut self, - _name: &str, - idx: usize, - f: F, - ) -> DecodeResult<T> - where - F: FnOnce(&mut Decoder) -> DecodeResult<T>, - { - self.read_enum_variant_arg(idx, f) - } - - fn read_struct<T, F>(&mut self, _name: &str, _len: usize, f: F) -> DecodeResult<T> + fn read_struct<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { @@ -2445,7 +2336,7 @@ impl crate::Decoder for Decoder { Ok(value) } - fn read_struct_field<T, F>(&mut self, name: &str, _idx: usize, f: F) -> DecodeResult<T> + fn read_struct_field<T, F>(&mut self, name: &str, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { @@ -2483,25 +2374,11 @@ impl crate::Decoder for Decoder { }) } - fn read_tuple_arg<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> - where - F: FnOnce(&mut Decoder) -> DecodeResult<T>, - { - self.read_seq_elt(idx, f) - } - - fn read_tuple_struct<T, F>(&mut self, _name: &str, len: usize, f: F) -> DecodeResult<T> - where - F: FnOnce(&mut Decoder) -> DecodeResult<T>, - { - self.read_tuple(len, f) - } - - fn read_tuple_struct_arg<T, F>(&mut self, idx: usize, f: F) -> DecodeResult<T> + fn read_tuple_arg<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { - self.read_tuple_arg(idx, f) + self.read_seq_elt(f) } fn read_option<T, F>(&mut self, mut f: F) -> DecodeResult<T> @@ -2527,7 +2404,7 @@ impl crate::Decoder for Decoder { f(self, len) } - fn read_seq_elt<T, F>(&mut self, _idx: usize, f: F) -> DecodeResult<T> + fn read_seq_elt<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { @@ -2547,14 +2424,14 @@ impl crate::Decoder for Decoder { f(self, len) } - fn read_map_elt_key<T, F>(&mut self, _idx: usize, f: F) -> DecodeResult<T> + fn read_map_elt_key<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { f(self) } - fn read_map_elt_val<T, F>(&mut self, _idx: usize, f: F) -> DecodeResult<T> + fn read_map_elt_val<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { diff --git a/compiler/rustc_serialize/src/lib.rs b/compiler/rustc_serialize/src/lib.rs index cf5a9118275..c79786a839f 100644 --- a/compiler/rustc_serialize/src/lib.rs +++ b/compiler/rustc_serialize/src/lib.rs @@ -14,10 +14,7 @@ Core encoding and decoding interfaces. #![feature(nll)] #![feature(associated_type_bounds)] #![feature(min_specialization)] -#![feature(vec_spare_capacity)] #![feature(core_intrinsics)] -#![feature(maybe_uninit_array_assume_init)] -#![feature(maybe_uninit_uninit_array)] #![feature(maybe_uninit_slice)] #![feature(new_uninit)] #![cfg_attr(test, feature(test))] diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs index d3e5f306970..bb3c537ef19 100644 --- a/compiler/rustc_serialize/src/serialize.rs +++ b/compiler/rustc_serialize/src/serialize.rs @@ -37,7 +37,7 @@ pub trait Encoder { // Compound types: #[inline] - fn emit_enum<F>(&mut self, _name: &str, f: F) -> Result<(), Self::Error> + fn emit_enum<F>(&mut self, f: F) -> Result<(), Self::Error> where F: FnOnce(&mut Self) -> Result<(), Self::Error>, { @@ -59,40 +59,15 @@ pub trait Encoder { } #[inline] - fn emit_enum_variant_arg<F>(&mut self, _a_idx: usize, f: F) -> Result<(), Self::Error> + fn emit_enum_variant_arg<F>(&mut self, _first: bool, f: F) -> Result<(), Self::Error> where F: FnOnce(&mut Self) -> Result<(), Self::Error>, { f(self) } - fn emit_enum_struct_variant<F>( - &mut self, - v_name: &str, - v_id: usize, - len: usize, - f: F, - ) -> Result<(), Self::Error> - where - F: FnOnce(&mut Self) -> Result<(), Self::Error>, - { - self.emit_enum_variant(v_name, v_id, len, f) - } - - fn emit_enum_struct_variant_field<F>( - &mut self, - _f_name: &str, - f_idx: usize, - f: F, - ) -> Result<(), Self::Error> - where - F: FnOnce(&mut Self) -> Result<(), Self::Error>, - { - self.emit_enum_variant_arg(f_idx, f) - } - #[inline] - fn emit_struct<F>(&mut self, _name: &str, _len: usize, f: F) -> Result<(), Self::Error> + fn emit_struct<F>(&mut self, _no_fields: bool, f: F) -> Result<(), Self::Error> where F: FnOnce(&mut Self) -> Result<(), Self::Error>, { @@ -100,12 +75,7 @@ pub trait Encoder { } #[inline] - fn emit_struct_field<F>( - &mut self, - _f_name: &str, - _f_idx: usize, - f: F, - ) -> Result<(), Self::Error> + fn emit_struct_field<F>(&mut self, _f_name: &str, _first: bool, f: F) -> Result<(), Self::Error> where F: FnOnce(&mut Self) -> Result<(), Self::Error>, { @@ -128,26 +98,12 @@ pub trait Encoder { f(self) } - fn emit_tuple_struct<F>(&mut self, _name: &str, len: usize, f: F) -> Result<(), Self::Error> - where - F: FnOnce(&mut Self) -> Result<(), Self::Error>, - { - self.emit_tuple(len, f) - } - - fn emit_tuple_struct_arg<F>(&mut self, f_idx: usize, f: F) -> Result<(), Self::Error> - where - F: FnOnce(&mut Self) -> Result<(), Self::Error>, - { - self.emit_tuple_arg(f_idx, f) - } - // Specialized types: fn emit_option<F>(&mut self, f: F) -> Result<(), Self::Error> where F: FnOnce(&mut Self) -> Result<(), Self::Error>, { - self.emit_enum("Option", f) + self.emit_enum(f) } #[inline] @@ -195,7 +151,7 @@ pub trait Encoder { } #[inline] - fn emit_map_elt_val<F>(&mut self, _idx: usize, f: F) -> Result<(), Self::Error> + fn emit_map_elt_val<F>(&mut self, f: F) -> Result<(), Self::Error> where F: FnOnce(&mut Self) -> Result<(), Self::Error>, { @@ -229,7 +185,7 @@ pub trait Decoder { // Compound types: #[inline] - fn read_enum<T, F>(&mut self, _name: &str, f: F) -> Result<T, Self::Error> + fn read_enum<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { @@ -246,34 +202,15 @@ pub trait Decoder { } #[inline] - fn read_enum_variant_arg<T, F>(&mut self, _a_idx: usize, f: F) -> Result<T, Self::Error> + fn read_enum_variant_arg<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { f(self) } - fn read_enum_struct_variant<T, F>(&mut self, names: &[&str], f: F) -> Result<T, Self::Error> - where - F: FnMut(&mut Self, usize) -> Result<T, Self::Error>, - { - self.read_enum_variant(names, f) - } - - fn read_enum_struct_variant_field<T, F>( - &mut self, - _f_name: &str, - f_idx: usize, - f: F, - ) -> Result<T, Self::Error> - where - F: FnOnce(&mut Self) -> Result<T, Self::Error>, - { - self.read_enum_variant_arg(f_idx, f) - } - #[inline] - fn read_struct<T, F>(&mut self, _s_name: &str, _len: usize, f: F) -> Result<T, Self::Error> + fn read_struct<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { @@ -281,12 +218,7 @@ pub trait Decoder { } #[inline] - fn read_struct_field<T, F>( - &mut self, - _f_name: &str, - _f_idx: usize, - f: F, - ) -> Result<T, Self::Error> + fn read_struct_field<T, F>(&mut self, _f_name: &str, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { @@ -302,33 +234,19 @@ pub trait Decoder { } #[inline] - fn read_tuple_arg<T, F>(&mut self, _a_idx: usize, f: F) -> Result<T, Self::Error> + fn read_tuple_arg<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { f(self) } - fn read_tuple_struct<T, F>(&mut self, _s_name: &str, len: usize, f: F) -> Result<T, Self::Error> - where - F: FnOnce(&mut Self) -> Result<T, Self::Error>, - { - self.read_tuple(len, f) - } - - fn read_tuple_struct_arg<T, F>(&mut self, a_idx: usize, f: F) -> Result<T, Self::Error> - where - F: FnOnce(&mut Self) -> Result<T, Self::Error>, - { - self.read_tuple_arg(a_idx, f) - } - // Specialized types: fn read_option<T, F>(&mut self, mut f: F) -> Result<T, Self::Error> where F: FnMut(&mut Self, bool) -> Result<T, Self::Error>, { - self.read_enum("Option", move |this| { + self.read_enum(move |this| { this.read_enum_variant(&["None", "Some"], move |this, idx| match idx { 0 => f(this, false), 1 => f(this, true), @@ -346,7 +264,7 @@ pub trait Decoder { } #[inline] - fn read_seq_elt<T, F>(&mut self, _idx: usize, f: F) -> Result<T, Self::Error> + fn read_seq_elt<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { @@ -362,7 +280,7 @@ pub trait Decoder { } #[inline] - fn read_map_elt_key<T, F>(&mut self, _idx: usize, f: F) -> Result<T, Self::Error> + fn read_map_elt_key<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { @@ -370,7 +288,7 @@ pub trait Decoder { } #[inline] - fn read_map_elt_val<T, F>(&mut self, _idx: usize, f: F) -> Result<T, Self::Error> + fn read_map_elt_val<T, F>(&mut self, f: F) -> Result<T, Self::Error> where F: FnOnce(&mut Self) -> Result<T, Self::Error>, { @@ -550,8 +468,8 @@ impl<D: Decoder, T: Decodable<D>> Decodable<D> for Vec<T> { default fn decode(d: &mut D) -> Result<Vec<T>, D::Error> { d.read_seq(|d, len| { let mut v = Vec::with_capacity(len); - for i in 0..len { - v.push(d.read_seq_elt(i, |d| Decodable::decode(d))?); + for _ in 0..len { + v.push(d.read_seq_elt(|d| Decodable::decode(d))?); } Ok(v) }) @@ -571,7 +489,7 @@ impl<D: Decoder, const N: usize> Decodable<D> for [u8; N] { assert!(len == N); let mut v = [0u8; N]; for i in 0..len { - v[i] = d.read_seq_elt(i, |d| Decodable::decode(d))?; + v[i] = d.read_seq_elt(|d| Decodable::decode(d))?; } Ok(v) }) @@ -615,12 +533,12 @@ impl<D: Decoder, T: Decodable<D>> Decodable<D> for Option<T> { impl<S: Encoder, T1: Encodable<S>, T2: Encodable<S>> Encodable<S> for Result<T1, T2> { fn encode(&self, s: &mut S) -> Result<(), S::Error> { - s.emit_enum("Result", |s| match *self { + s.emit_enum(|s| match *self { Ok(ref v) => { - s.emit_enum_variant("Ok", 0, 1, |s| s.emit_enum_variant_arg(0, |s| v.encode(s))) + s.emit_enum_variant("Ok", 0, 1, |s| s.emit_enum_variant_arg(true, |s| v.encode(s))) } Err(ref v) => { - s.emit_enum_variant("Err", 1, 1, |s| s.emit_enum_variant_arg(0, |s| v.encode(s))) + s.emit_enum_variant("Err", 1, 1, |s| s.emit_enum_variant_arg(true, |s| v.encode(s))) } }) } @@ -628,10 +546,10 @@ impl<S: Encoder, T1: Encodable<S>, T2: Encodable<S>> Encodable<S> for Result<T1, impl<D: Decoder, T1: Decodable<D>, T2: Decodable<D>> Decodable<D> for Result<T1, T2> { fn decode(d: &mut D) -> Result<Result<T1, T2>, D::Error> { - d.read_enum("Result", |d| { + d.read_enum(|d| { d.read_enum_variant(&["Ok", "Err"], |d, disr| match disr { - 0 => Ok(Ok(d.read_enum_variant_arg(0, |d| T1::decode(d))?)), - 1 => Ok(Err(d.read_enum_variant_arg(0, |d| T2::decode(d))?)), + 0 => Ok(Ok(d.read_enum_variant_arg(|d| T1::decode(d))?)), + 1 => Ok(Err(d.read_enum_variant_arg(|d| T2::decode(d))?)), _ => { panic!( "Encountered invalid discriminant while \ @@ -668,8 +586,7 @@ macro_rules! tuple { fn decode(d: &mut D) -> Result<($($name,)+), D::Error> { let len: usize = count!($($name)+); d.read_tuple(len, |d| { - let mut i = 0; - let ret = ($(d.read_tuple_arg({ i+=1; i-1 }, |d| -> Result<$name, D::Error> { + let ret = ($(d.read_tuple_arg(|d| -> Result<$name, D::Error> { Decodable::decode(d) })?,)+); Ok(ret) diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 52f8b536f4a..57522582683 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -677,6 +677,7 @@ impl Default for Options { optimize: OptLevel::No, debuginfo: DebugInfo::None, lint_opts: Vec::new(), + force_warns: Vec::new(), lint_cap: None, describe_lints: false, output_types: OutputTypes(BTreeMap::new()), @@ -1092,6 +1093,13 @@ pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> { level", "LEVEL", ), + opt::multi_s( + "", + "force-warns", + "Specifiy lints that should warn even if \ + they are allowed somewhere else", + "LINT", + ), opt::multi_s("C", "codegen", "Set a codegen option", "OPT[=VALUE]"), opt::flag_s("V", "version", "Print version info and exit"), opt::flag_s("v", "verbose", "Use verbose output"), @@ -1156,7 +1164,8 @@ pub fn rustc_optgroups() -> Vec<RustcOptGroup> { pub fn get_cmd_lint_options( matches: &getopts::Matches, error_format: ErrorOutputType, -) -> (Vec<(String, lint::Level)>, bool, Option<lint::Level>) { + debugging_opts: &DebuggingOptions, +) -> (Vec<(String, lint::Level)>, bool, Option<lint::Level>, Vec<String>) { let mut lint_opts_with_position = vec![]; let mut describe_lints = false; @@ -1189,7 +1198,18 @@ pub fn get_cmd_lint_options( lint::Level::from_str(&cap) .unwrap_or_else(|| early_error(error_format, &format!("unknown lint level: `{}`", cap))) }); - (lint_opts, describe_lints, lint_cap) + + if !debugging_opts.unstable_options && matches.opt_present("force-warns") { + early_error( + error_format, + "the `-Z unstable-options` flag must also be passed to enable \ + the flag `--force-warns=lints`", + ); + } + + let force_warns = matches.opt_strs("force-warns"); + + (lint_opts, describe_lints, lint_cap, force_warns) } /// Parses the `--color` flag. @@ -1926,9 +1946,10 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { let crate_types = parse_crate_types_from_list(unparsed_crate_types) .unwrap_or_else(|e| early_error(error_format, &e[..])); - let (lint_opts, describe_lints, lint_cap) = get_cmd_lint_options(matches, error_format); - let mut debugging_opts = DebuggingOptions::build(matches, error_format); + let (lint_opts, describe_lints, lint_cap, force_warns) = + get_cmd_lint_options(matches, error_format, &debugging_opts); + check_debug_option_stability(&debugging_opts, error_format, json_rendered); if !debugging_opts.unstable_options && json_unused_externs { @@ -2100,6 +2121,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { optimize: opt_level, debuginfo, lint_opts, + force_warns, lint_cap, describe_lints, output_types, @@ -2427,30 +2449,32 @@ crate mod dep_tracking { )+}; } + impl<T: DepTrackingHash> DepTrackingHash for Option<T> { + fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) { + match self { + Some(x) => { + Hash::hash(&1, hasher); + DepTrackingHash::hash(x, hasher, error_format); + } + None => Hash::hash(&0, hasher), + } + } + } + impl_dep_tracking_hash_via_hash!( bool, usize, + NonZeroUsize, u64, String, PathBuf, lint::Level, - Option<bool>, - Option<u32>, - Option<usize>, - Option<NonZeroUsize>, - Option<String>, - Option<(String, u64)>, - Option<Vec<String>>, - Option<MergeFunctions>, - Option<RelocModel>, - Option<CodeModel>, - Option<TlsModel>, - Option<WasiExecModel>, - Option<PanicStrategy>, - Option<RelroLevel>, - Option<InstrumentCoverage>, - Option<lint::Level>, - Option<PathBuf>, + WasiExecModel, + u32, + RelocModel, + CodeModel, + TlsModel, + InstrumentCoverage, CrateType, MergeFunctions, PanicStrategy, @@ -2468,10 +2492,10 @@ crate mod dep_tracking { TargetTriple, Edition, LinkerPluginLto, - Option<SplitDebuginfo>, + SplitDebuginfo, SwitchWithOptPath, - Option<SymbolManglingVersion>, - Option<SourceFileHashAlgorithm>, + SymbolManglingVersion, + SourceFileHashAlgorithm, TrimmedDefPaths, ); diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index bb82cf4c45d..58a53b3de6e 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -130,6 +130,7 @@ top_level_options!( debuginfo: DebugInfo [TRACKED], lint_opts: Vec<(String, lint::Level)> [TRACKED], lint_cap: Option<lint::Level> [TRACKED], + force_warns: Vec<String> [TRACKED], describe_lints: bool [UNTRACKED], output_types: OutputTypes [TRACKED], search_paths: Vec<SearchPath> [UNTRACKED], diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 4ba47985ce1..86b8389a670 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -22,7 +22,7 @@ use rustc_errors::json::JsonEmitter; use rustc_errors::registry::Registry; use rustc_errors::{Diagnostic, DiagnosticBuilder, DiagnosticId, ErrorReported}; use rustc_lint_defs::FutureBreakage; -pub use rustc_span::def_id::StableCrateId; +pub use rustc_span::crate_disambiguator::CrateDisambiguator; use rustc_span::source_map::{FileLoader, MultiSpan, RealFileLoader, SourceMap, Span}; use rustc_span::{edition::Edition, RealFileName}; use rustc_span::{sym, SourceFileHashAlgorithm, Symbol}; @@ -133,12 +133,12 @@ pub struct Session { /// in order to avoid redundantly verbose output (Issue #24690, #44953). pub one_time_diagnostics: Lock<FxHashSet<(DiagnosticMessageId, Option<Span>, String)>>, crate_types: OnceCell<Vec<CrateType>>, - /// The `stable_crate_id` is constructed out of the crate name and all the - /// `-C metadata` arguments passed to the compiler. Its value forms a unique - /// global identifier for the crate. It is used to allow multiple crates - /// with the same name to coexist. See the + /// The `crate_disambiguator` is constructed out of all the `-C metadata` + /// arguments passed to the compiler. Its value together with the crate-name + /// forms a unique global identifier for the crate. It is used to allow + /// multiple crates with the same name to coexist. See the /// `rustc_codegen_llvm::back::symbol_names` module for more information. - pub stable_crate_id: OnceCell<StableCrateId>, + pub crate_disambiguator: OnceCell<CrateDisambiguator>, features: OnceCell<rustc_feature::Features>, @@ -335,8 +335,8 @@ impl Session { self.parse_sess.span_diagnostic.emit_future_breakage_report(diags_and_breakage); } - pub fn local_stable_crate_id(&self) -> StableCrateId { - self.stable_crate_id.get().copied().unwrap() + pub fn local_crate_disambiguator(&self) -> CrateDisambiguator { + self.crate_disambiguator.get().copied().unwrap() } pub fn crate_types(&self) -> &[CrateType] { @@ -452,6 +452,7 @@ impl Session { pub fn emit_err<'a>(&'a self, err: impl SessionDiagnostic<'a>) { err.into_diagnostic(self).emit() } + #[inline] pub fn err_count(&self) -> usize { self.diagnostic().err_count() } @@ -524,6 +525,7 @@ impl Session { self.diagnostic().struct_note_without_error(msg) } + #[inline] pub fn diagnostic(&self) -> &rustc_errors::Handler { &self.parse_sess.span_diagnostic } @@ -831,12 +833,12 @@ impl Session { /// Returns the symbol name for the registrar function, /// given the crate `Svh` and the function `DefIndex`. - pub fn generate_plugin_registrar_symbol(&self, stable_crate_id: StableCrateId) -> String { - format!("__rustc_plugin_registrar_{:08x}__", stable_crate_id.to_u64()) + pub fn generate_plugin_registrar_symbol(&self, disambiguator: CrateDisambiguator) -> String { + format!("__rustc_plugin_registrar_{}__", disambiguator.to_fingerprint().to_hex()) } - pub fn generate_proc_macro_decls_symbol(&self, stable_crate_id: StableCrateId) -> String { - format!("__rustc_proc_macro_decls_{:08x}__", stable_crate_id.to_u64()) + pub fn generate_proc_macro_decls_symbol(&self, disambiguator: CrateDisambiguator) -> String { + format!("__rustc_proc_macro_decls_{}__", disambiguator.to_fingerprint().to_hex()) } pub fn target_filesearch(&self, kind: PathKind) -> filesearch::FileSearch<'_> { @@ -1395,7 +1397,7 @@ pub fn build_session( working_dir, one_time_diagnostics: Default::default(), crate_types: OnceCell::new(), - stable_crate_id: OnceCell::new(), + crate_disambiguator: OnceCell::new(), features: OnceCell::new(), lint_store: OnceCell::new(), recursion_limit: OnceCell::new(), diff --git a/compiler/rustc_span/src/crate_disambiguator.rs b/compiler/rustc_span/src/crate_disambiguator.rs new file mode 100644 index 00000000000..bd7d8516714 --- /dev/null +++ b/compiler/rustc_span/src/crate_disambiguator.rs @@ -0,0 +1,35 @@ +// This is here because `rustc_session` wants to refer to it, +// and so does `rustc_hir`, but `rustc_hir` shouldn't refer to `rustc_session`. + +use rustc_data_structures::fingerprint::Fingerprint; +use rustc_data_structures::{base_n, impl_stable_hash_via_hash}; + +use std::fmt; + +/// Hash value constructed out of all the `-C metadata` arguments passed to the +/// compiler. Together with the crate-name forms a unique global identifier for +/// the crate. +#[derive(Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Clone, Copy, Encodable, Decodable)] +pub struct CrateDisambiguator(Fingerprint); + +impl CrateDisambiguator { + pub fn to_fingerprint(self) -> Fingerprint { + self.0 + } +} + +impl fmt::Display for CrateDisambiguator { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> { + let (a, b) = self.0.as_value(); + let as_u128 = a as u128 | ((b as u128) << 64); + f.write_str(&base_n::encode(as_u128, base_n::CASE_INSENSITIVE)) + } +} + +impl From<Fingerprint> for CrateDisambiguator { + fn from(fingerprint: Fingerprint) -> CrateDisambiguator { + CrateDisambiguator(fingerprint) + } +} + +impl_stable_hash_via_hash!(CrateDisambiguator); diff --git a/compiler/rustc_span/src/def_id.rs b/compiler/rustc_span/src/def_id.rs index aeb3234315f..6ee75376ad5 100644 --- a/compiler/rustc_span/src/def_id.rs +++ b/compiler/rustc_span/src/def_id.rs @@ -1,3 +1,4 @@ +use crate::crate_disambiguator::CrateDisambiguator; use crate::HashStableContext; use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; @@ -9,65 +10,23 @@ use std::borrow::Borrow; use std::fmt; rustc_index::newtype_index! { - pub struct CrateId { + pub struct CrateNum { ENCODABLE = custom + DEBUG_FORMAT = "crate{}" } } -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] -pub enum CrateNum { - /// A special `CrateNum` that we use for the `tcx.rcache` when decoding from - /// the incr. comp. cache. - ReservedForIncrCompCache, - Index(CrateId), -} - /// Item definitions in the currently-compiled crate would have the `CrateNum` /// `LOCAL_CRATE` in their `DefId`. -pub const LOCAL_CRATE: CrateNum = CrateNum::Index(CrateId::from_u32(0)); - -impl Idx for CrateNum { - #[inline] - fn new(value: usize) -> Self { - CrateNum::Index(Idx::new(value)) - } - - #[inline] - fn index(self) -> usize { - match self { - CrateNum::Index(idx) => Idx::index(idx), - _ => panic!("Tried to get crate index of {:?}", self), - } - } -} +pub const LOCAL_CRATE: CrateNum = CrateNum::from_u32(0); impl CrateNum { + #[inline] pub fn new(x: usize) -> CrateNum { CrateNum::from_usize(x) } - pub fn from_usize(x: usize) -> CrateNum { - CrateNum::Index(CrateId::from_usize(x)) - } - - pub fn from_u32(x: u32) -> CrateNum { - CrateNum::Index(CrateId::from_u32(x)) - } - - pub fn as_usize(self) -> usize { - match self { - CrateNum::Index(id) => id.as_usize(), - _ => panic!("tried to get index of non-standard crate {:?}", self), - } - } - - pub fn as_u32(self) -> u32 { - match self { - CrateNum::Index(id) => id.as_u32(), - _ => panic!("tried to get index of non-standard crate {:?}", self), - } - } - + #[inline] pub fn as_def_id(&self) -> DefId { DefId { krate: *self, index: CRATE_DEF_INDEX } } @@ -75,10 +34,7 @@ impl CrateNum { impl fmt::Display for CrateNum { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - CrateNum::Index(id) => fmt::Display::fmt(&id.private, f), - CrateNum::ReservedForIncrCompCache => write!(f, "crate for decoding incr comp cache"), - } + fmt::Display::fmt(&self.private, f) } } @@ -96,15 +52,6 @@ impl<D: Decoder> Decodable<D> for CrateNum { } } -impl ::std::fmt::Debug for CrateNum { - fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result { - match self { - CrateNum::Index(id) => write!(fmt, "crate{}", id.private), - CrateNum::ReservedForIncrCompCache => write!(fmt, "crate for decoding incr comp cache"), - } - } -} - /// A `DefPathHash` is a fixed-size representation of a `DefPath` that is /// stable across crate and compilation session boundaries. It consists of two /// separate 64-bit hashes. The first uniquely identifies the crate this @@ -180,51 +127,26 @@ impl Borrow<Fingerprint> for DefPathHash { } } -/// A [StableCrateId] is a 64 bit hash of the crate name combined with all -/// `-Cmetadata` arguments. It is to [CrateNum] what [DefPathHash] is to -/// [DefId]. It is stable across compilation sessions. +/// A [StableCrateId] is a 64 bit hash of `(crate-name, crate-disambiguator)`. It +/// is to [CrateNum] what [DefPathHash] is to [DefId]. It is stable across +/// compilation sessions. /// /// Since the ID is a hash value there is a (very small) chance that two crates /// end up with the same [StableCrateId]. The compiler will check for such /// collisions when loading crates and abort compilation in order to avoid /// further trouble. -#[derive(Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Debug)] -#[derive(HashStable_Generic, Encodable, Decodable)] +#[derive(Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Debug, Encodable, Decodable)] pub struct StableCrateId(u64); impl StableCrateId { - pub fn to_u64(self) -> u64 { - self.0 - } - /// Computes the stable ID for a crate with the given name and - /// `-Cmetadata` arguments. - pub fn new(crate_name: &str, is_exe: bool, mut metadata: Vec<String>) -> StableCrateId { + /// disambiguator. + pub fn new(crate_name: &str, crate_disambiguator: CrateDisambiguator) -> StableCrateId { use std::hash::Hash; - use std::hash::Hasher; let mut hasher = StableHasher::new(); crate_name.hash(&mut hasher); - - // We don't want the stable crate id to dependent on the order - // -C metadata arguments, so sort them: - metadata.sort(); - // Every distinct -C metadata value is only incorporated once: - metadata.dedup(); - - hasher.write(b"metadata"); - for s in &metadata { - // Also incorporate the length of a metadata string, so that we generate - // different values for `-Cmetadata=ab -Cmetadata=c` and - // `-Cmetadata=a -Cmetadata=bc` - hasher.write_usize(s.len()); - hasher.write(s.as_bytes()); - } - - // Also incorporate crate type, so that we don't get symbol conflicts when - // linking against a library of the same name, if this is an executable. - hasher.write(if is_exe { b"exe" } else { b"lib" }); - + crate_disambiguator.hash(&mut hasher); StableCrateId(hasher.finish()) } } @@ -295,20 +217,20 @@ impl DefId { impl<E: Encoder> Encodable<E> for DefId { default fn encode(&self, s: &mut E) -> Result<(), E::Error> { - s.emit_struct("DefId", 2, |s| { - s.emit_struct_field("krate", 0, |s| self.krate.encode(s))?; + s.emit_struct(false, |s| { + s.emit_struct_field("krate", true, |s| self.krate.encode(s))?; - s.emit_struct_field("index", 1, |s| self.index.encode(s)) + s.emit_struct_field("index", false, |s| self.index.encode(s)) }) } } impl<D: Decoder> Decodable<D> for DefId { default fn decode(d: &mut D) -> Result<DefId, D::Error> { - d.read_struct("DefId", 2, |d| { + d.read_struct(|d| { Ok(DefId { - krate: d.read_struct_field("krate", 0, Decodable::decode)?, - index: d.read_struct_field("index", 1, Decodable::decode)?, + krate: d.read_struct_field("krate", Decodable::decode)?, + index: d.read_struct_field("index", Decodable::decode)?, }) }) } diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index dc15c531d1e..9cf68cbd23e 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -16,12 +16,10 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![feature(array_windows)] #![feature(crate_visibility_modifier)] -#![feature(const_panic)] #![feature(negative_impls)] #![feature(nll)] #![feature(min_specialization)] #![feature(thread_local_const_init)] -#![feature(trusted_step)] #[macro_use] extern crate rustc_macros; @@ -47,6 +45,8 @@ pub mod lev_distance; mod span_encoding; pub use span_encoding::{Span, DUMMY_SP}; +pub mod crate_disambiguator; + pub mod symbol; pub use symbol::{sym, Symbol}; @@ -146,11 +146,12 @@ impl Hash for RealFileName { // an added assert statement impl<S: Encoder> Encodable<S> for RealFileName { fn encode(&self, encoder: &mut S) -> Result<(), S::Error> { - encoder.emit_enum("RealFileName", |encoder| match *self { + encoder.emit_enum(|encoder| match *self { RealFileName::LocalPath(ref local_path) => { encoder.emit_enum_variant("LocalPath", 0, 1, |encoder| { Ok({ - encoder.emit_enum_variant_arg(0, |encoder| local_path.encode(encoder))?; + encoder + .emit_enum_variant_arg(true, |encoder| local_path.encode(encoder))?; }) }) } @@ -161,8 +162,10 @@ impl<S: Encoder> Encodable<S> for RealFileName { // if they have been remapped by --remap-path-prefix assert!(local_path.is_none()); Ok({ - encoder.emit_enum_variant_arg(0, |encoder| local_path.encode(encoder))?; - encoder.emit_enum_variant_arg(1, |encoder| virtual_name.encode(encoder))?; + encoder + .emit_enum_variant_arg(true, |encoder| local_path.encode(encoder))?; + encoder + .emit_enum_variant_arg(false, |encoder| virtual_name.encode(encoder))?; }) }), }) @@ -827,17 +830,17 @@ impl Default for Span { impl<E: Encoder> Encodable<E> for Span { default fn encode(&self, s: &mut E) -> Result<(), E::Error> { let span = self.data(); - s.emit_struct("Span", 2, |s| { - s.emit_struct_field("lo", 0, |s| span.lo.encode(s))?; - s.emit_struct_field("hi", 1, |s| span.hi.encode(s)) + s.emit_struct(false, |s| { + s.emit_struct_field("lo", true, |s| span.lo.encode(s))?; + s.emit_struct_field("hi", false, |s| span.hi.encode(s)) }) } } impl<D: Decoder> Decodable<D> for Span { default fn decode(s: &mut D) -> Result<Span, D::Error> { - s.read_struct("Span", 2, |d| { - let lo = d.read_struct_field("lo", 0, Decodable::decode)?; - let hi = d.read_struct_field("hi", 1, Decodable::decode)?; + s.read_struct(|d| { + let lo = d.read_struct_field("lo", Decodable::decode)?; + let hi = d.read_struct_field("hi", Decodable::decode)?; Ok(Span::new(lo, hi, SyntaxContext::root())) }) @@ -1234,12 +1237,12 @@ pub struct SourceFile { impl<S: Encoder> Encodable<S> for SourceFile { fn encode(&self, s: &mut S) -> Result<(), S::Error> { - s.emit_struct("SourceFile", 8, |s| { - s.emit_struct_field("name", 0, |s| self.name.encode(s))?; - s.emit_struct_field("src_hash", 2, |s| self.src_hash.encode(s))?; - s.emit_struct_field("start_pos", 3, |s| self.start_pos.encode(s))?; - s.emit_struct_field("end_pos", 4, |s| self.end_pos.encode(s))?; - s.emit_struct_field("lines", 5, |s| { + s.emit_struct(false, |s| { + s.emit_struct_field("name", true, |s| self.name.encode(s))?; + s.emit_struct_field("src_hash", false, |s| self.src_hash.encode(s))?; + s.emit_struct_field("start_pos", false, |s| self.start_pos.encode(s))?; + s.emit_struct_field("end_pos", false, |s| self.end_pos.encode(s))?; + s.emit_struct_field("lines", false, |s| { let lines = &self.lines[..]; // Store the length. s.emit_u32(lines.len() as u32)?; @@ -1297,25 +1300,24 @@ impl<S: Encoder> Encodable<S> for SourceFile { Ok(()) })?; - s.emit_struct_field("multibyte_chars", 6, |s| self.multibyte_chars.encode(s))?; - s.emit_struct_field("non_narrow_chars", 7, |s| self.non_narrow_chars.encode(s))?; - s.emit_struct_field("name_hash", 8, |s| self.name_hash.encode(s))?; - s.emit_struct_field("normalized_pos", 9, |s| self.normalized_pos.encode(s))?; - s.emit_struct_field("cnum", 10, |s| self.cnum.encode(s)) + s.emit_struct_field("multibyte_chars", false, |s| self.multibyte_chars.encode(s))?; + s.emit_struct_field("non_narrow_chars", false, |s| self.non_narrow_chars.encode(s))?; + s.emit_struct_field("name_hash", false, |s| self.name_hash.encode(s))?; + s.emit_struct_field("normalized_pos", false, |s| self.normalized_pos.encode(s))?; + s.emit_struct_field("cnum", false, |s| self.cnum.encode(s)) }) } } impl<D: Decoder> Decodable<D> for SourceFile { fn decode(d: &mut D) -> Result<SourceFile, D::Error> { - d.read_struct("SourceFile", 8, |d| { - let name: FileName = d.read_struct_field("name", 0, |d| Decodable::decode(d))?; + d.read_struct(|d| { + let name: FileName = d.read_struct_field("name", |d| Decodable::decode(d))?; let src_hash: SourceFileHash = - d.read_struct_field("src_hash", 2, |d| Decodable::decode(d))?; - let start_pos: BytePos = - d.read_struct_field("start_pos", 3, |d| Decodable::decode(d))?; - let end_pos: BytePos = d.read_struct_field("end_pos", 4, |d| Decodable::decode(d))?; - let lines: Vec<BytePos> = d.read_struct_field("lines", 5, |d| { + d.read_struct_field("src_hash", |d| Decodable::decode(d))?; + let start_pos: BytePos = d.read_struct_field("start_pos", |d| Decodable::decode(d))?; + let end_pos: BytePos = d.read_struct_field("end_pos", |d| Decodable::decode(d))?; + let lines: Vec<BytePos> = d.read_struct_field("lines", |d| { let num_lines: u32 = Decodable::decode(d)?; let mut lines = Vec::with_capacity(num_lines as usize); @@ -1344,13 +1346,13 @@ impl<D: Decoder> Decodable<D> for SourceFile { Ok(lines) })?; let multibyte_chars: Vec<MultiByteChar> = - d.read_struct_field("multibyte_chars", 6, |d| Decodable::decode(d))?; + d.read_struct_field("multibyte_chars", |d| Decodable::decode(d))?; let non_narrow_chars: Vec<NonNarrowChar> = - d.read_struct_field("non_narrow_chars", 7, |d| Decodable::decode(d))?; - let name_hash: u128 = d.read_struct_field("name_hash", 8, |d| Decodable::decode(d))?; + d.read_struct_field("non_narrow_chars", |d| Decodable::decode(d))?; + let name_hash: u128 = d.read_struct_field("name_hash", |d| Decodable::decode(d))?; let normalized_pos: Vec<NormalizedPos> = - d.read_struct_field("normalized_pos", 9, |d| Decodable::decode(d))?; - let cnum: CrateNum = d.read_struct_field("cnum", 10, |d| Decodable::decode(d))?; + d.read_struct_field("normalized_pos", |d| Decodable::decode(d))?; + let cnum: CrateNum = d.read_struct_field("cnum", |d| Decodable::decode(d))?; Ok(SourceFile { name, start_pos, diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 46ef308cbf2..31b425f1a79 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -328,6 +328,7 @@ symbols! { box_free, box_patterns, box_syntax, + bpf_target_feature, braced_empty_structs, branch, breakpoint, @@ -1332,6 +1333,7 @@ symbols! { wrapping_add, wrapping_mul, wrapping_sub, + wreg, write_bytes, xmm_reg, ymm_reg, diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index 1addfc8ee67..025eaffcbd3 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -126,9 +126,8 @@ fn get_symbol_hash<'tcx>( substs.hash_stable(&mut hcx, &mut hasher); if let Some(instantiating_crate) = instantiating_crate { - tcx.def_path_hash(instantiating_crate.as_def_id()) - .stable_crate_id() - .hash_stable(&mut hcx, &mut hasher); + tcx.crate_name(instantiating_crate).as_str().hash_stable(&mut hcx, &mut hasher); + tcx.crate_disambiguator(instantiating_crate).hash_stable(&mut hcx, &mut hasher); } // We want to avoid accidental collision between different types of instances. @@ -254,7 +253,7 @@ impl Printer<'tcx> for SymbolPrinter<'tcx> { } fn path_crate(mut self, cnum: CrateNum) -> Result<Self::Path, Self::Error> { - self.write_str(&self.tcx.original_crate_name(cnum).as_str())?; + self.write_str(&self.tcx.crate_name(cnum).as_str())?; Ok(self) } fn path_qualified( diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index ba59ff96f65..f716ce1efce 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -165,12 +165,12 @@ fn compute_symbol_name( // FIXME(eddyb) Precompute a custom symbol name based on attributes. let is_foreign = if let Some(def_id) = def_id.as_local() { if tcx.plugin_registrar_fn(()) == Some(def_id) { - let stable_crate_id = tcx.sess.local_stable_crate_id(); - return tcx.sess.generate_plugin_registrar_symbol(stable_crate_id); + let disambiguator = tcx.sess.local_crate_disambiguator(); + return tcx.sess.generate_plugin_registrar_symbol(disambiguator); } if tcx.proc_macro_decls_static(()) == Some(def_id) { - let stable_crate_id = tcx.sess.local_stable_crate_id(); - return tcx.sess.generate_proc_macro_decls_symbol(stable_crate_id); + let disambiguator = tcx.sess.local_crate_disambiguator(); + return tcx.sess.generate_proc_macro_decls_symbol(disambiguator); } let hir_id = tcx.hir().local_def_id_to_hir_id(def_id); matches!(tcx.hir().get(hir_id), Node::ForeignItem(_)) diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index 2ab7461fc60..828f1ac0a79 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -592,9 +592,9 @@ impl Printer<'tcx> for SymbolMangler<'tcx> { fn path_crate(mut self, cnum: CrateNum) -> Result<Self::Path, Self::Error> { self.push("C"); - let stable_crate_id = self.tcx.def_path_hash(cnum.as_def_id()).stable_crate_id(); - self.push_disambiguator(stable_crate_id.to_u64()); - let name = self.tcx.original_crate_name(cnum).as_str(); + let fingerprint = self.tcx.crate_disambiguator(cnum).to_fingerprint(); + self.push_disambiguator(fingerprint.to_smaller_hash()); + let name = self.tcx.crate_name(cnum).as_str(); self.push_ident(&name); Ok(self) } diff --git a/compiler/rustc_target/src/abi/call/bpf.rs b/compiler/rustc_target/src/abi/call/bpf.rs new file mode 100644 index 00000000000..466c525531c --- /dev/null +++ b/compiler/rustc_target/src/abi/call/bpf.rs @@ -0,0 +1,31 @@ +// see https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/BPF/BPFCallingConv.td +use crate::abi::call::{ArgAbi, FnAbi}; + +fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) { + if ret.layout.is_aggregate() || ret.layout.size.bits() > 64 { + ret.make_indirect(); + } else { + ret.extend_integer_width_to(32); + } +} + +fn classify_arg<Ty>(arg: &mut ArgAbi<'_, Ty>) { + if arg.layout.is_aggregate() || arg.layout.size.bits() > 64 { + arg.make_indirect(); + } else { + arg.extend_integer_width_to(32); + } +} + +pub fn compute_abi_info<Ty>(fn_abi: &mut FnAbi<'_, Ty>) { + if !fn_abi.ret.is_ignore() { + classify_ret(&mut fn_abi.ret); + } + + for arg in &mut fn_abi.args { + if arg.is_ignore() { + continue; + } + classify_arg(arg); + } +} diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs index 0cf2441d84e..6e0e1403740 100644 --- a/compiler/rustc_target/src/abi/call/mod.rs +++ b/compiler/rustc_target/src/abi/call/mod.rs @@ -6,6 +6,7 @@ mod aarch64; mod amdgpu; mod arm; mod avr; +mod bpf; mod hexagon; mod mips; mod mips64; @@ -654,6 +655,7 @@ impl<'a, Ty> FnAbi<'a, Ty> { } } "asmjs" => wasm::compute_c_abi_info(cx, self), + "bpf" => bpf::compute_abi_info(self), a => return Err(format!("unrecognized arch \"{}\" in target specification", a)), } diff --git a/compiler/rustc_target/src/abi/mod.rs b/compiler/rustc_target/src/abi/mod.rs index dae72e1b2c8..8e71ded3d1d 100644 --- a/compiler/rustc_target/src/abi/mod.rs +++ b/compiler/rustc_target/src/abi/mod.rs @@ -222,6 +222,7 @@ pub trait HasDataLayout { } impl HasDataLayout for TargetDataLayout { + #[inline] fn data_layout(&self) -> &TargetDataLayout { self } @@ -752,11 +753,7 @@ impl FieldsShape { match *self { FieldsShape::Primitive => 0, FieldsShape::Union(count) => count.get(), - FieldsShape::Array { count, .. } => { - let usize_count = count as usize; - assert_eq!(usize_count as u64, count); - usize_count - } + FieldsShape::Array { count, .. } => count.try_into().unwrap(), FieldsShape::Arbitrary { ref offsets, .. } => offsets.len(), } } @@ -790,11 +787,7 @@ impl FieldsShape { unreachable!("FieldsShape::memory_index: `Primitive`s have no fields") } FieldsShape::Union(_) | FieldsShape::Array { .. } => i, - FieldsShape::Arbitrary { ref memory_index, .. } => { - let r = memory_index[i]; - assert_eq!(r as usize as u32, r); - r as usize - } + FieldsShape::Arbitrary { ref memory_index, .. } => memory_index[i].try_into().unwrap(), } } @@ -862,6 +855,7 @@ pub enum Abi { impl Abi { /// Returns `true` if the layout corresponds to an unsized type. + #[inline] pub fn is_unsized(&self) -> bool { match *self { Abi::Uninhabited | Abi::Scalar(_) | Abi::ScalarPair(..) | Abi::Vector { .. } => false, @@ -881,11 +875,13 @@ impl Abi { } /// Returns `true` if this is an uninhabited type + #[inline] pub fn is_uninhabited(&self) -> bool { matches!(*self, Abi::Uninhabited) } /// Returns `true` is this is a scalar type + #[inline] pub fn is_scalar(&self) -> bool { matches!(*self, Abi::Scalar(_)) } diff --git a/compiler/rustc_target/src/asm/bpf.rs b/compiler/rustc_target/src/asm/bpf.rs new file mode 100644 index 00000000000..ecb6bdc95ce --- /dev/null +++ b/compiler/rustc_target/src/asm/bpf.rs @@ -0,0 +1,129 @@ +use super::{InlineAsmArch, InlineAsmType, Target}; +use rustc_macros::HashStable_Generic; +use std::fmt; + +def_reg_class! { + Bpf BpfInlineAsmRegClass { + reg, + wreg, + } +} + +impl BpfInlineAsmRegClass { + pub fn valid_modifiers(self, _arch: InlineAsmArch) -> &'static [char] { + &[] + } + + pub fn suggest_class(self, _arch: InlineAsmArch, _ty: InlineAsmType) -> Option<Self> { + None + } + + pub fn suggest_modifier( + self, + _arch: InlineAsmArch, + _ty: InlineAsmType, + ) -> Option<(char, &'static str)> { + None + } + + pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<(char, &'static str)> { + None + } + + pub fn supported_types( + self, + _arch: InlineAsmArch, + ) -> &'static [(InlineAsmType, Option<&'static str>)] { + match self { + Self::reg => types! { _: I8, I16, I32, I64; }, + Self::wreg => types! { "alu32": I8, I16, I32; }, + } + } +} + +fn only_alu32( + _arch: InlineAsmArch, + mut has_feature: impl FnMut(&str) -> bool, + _target: &Target, +) -> Result<(), &'static str> { + if !has_feature("alu32") { + Err("register can't be used without the `alu32` target feature") + } else { + Ok(()) + } +} + +def_regs! { + Bpf BpfInlineAsmReg BpfInlineAsmRegClass { + r0: reg = ["r0"], + r1: reg = ["r1"], + r2: reg = ["r2"], + r3: reg = ["r3"], + r4: reg = ["r4"], + r5: reg = ["r5"], + r6: reg = ["r6"], + r7: reg = ["r7"], + r8: reg = ["r8"], + r9: reg = ["r9"], + w0: wreg = ["w0"] % only_alu32, + w1: wreg = ["w1"] % only_alu32, + w2: wreg = ["w2"] % only_alu32, + w3: wreg = ["w3"] % only_alu32, + w4: wreg = ["w4"] % only_alu32, + w5: wreg = ["w5"] % only_alu32, + w6: wreg = ["w6"] % only_alu32, + w7: wreg = ["w7"] % only_alu32, + w8: wreg = ["w8"] % only_alu32, + w9: wreg = ["w9"] % only_alu32, + + #error = ["r10", "w10"] => + "the stack pointer cannot be used as an operand for inline asm", + } +} + +impl BpfInlineAsmReg { + pub fn emit( + self, + out: &mut dyn fmt::Write, + _arch: InlineAsmArch, + _modifier: Option<char>, + ) -> fmt::Result { + out.write_str(self.name()) + } + + pub fn overlapping_regs(self, mut cb: impl FnMut(BpfInlineAsmReg)) { + cb(self); + + macro_rules! reg_conflicts { + ( + $( + $r:ident : $w:ident + ),* + ) => { + match self { + $( + Self::$r => { + cb(Self::$w); + } + Self::$w => { + cb(Self::$r); + } + )* + } + }; + } + + reg_conflicts! { + r0 : w0, + r1 : w1, + r2 : w2, + r3 : w3, + r4 : w4, + r5 : w5, + r6 : w6, + r7 : w7, + r8 : w8, + r9 : w9 + } + } +} diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs index c17c2961434..305ea7d50e6 100644 --- a/compiler/rustc_target/src/asm/mod.rs +++ b/compiler/rustc_target/src/asm/mod.rs @@ -148,6 +148,7 @@ macro_rules! types { mod aarch64; mod arm; +mod bpf; mod hexagon; mod mips; mod nvptx; @@ -159,6 +160,7 @@ mod x86; pub use aarch64::{AArch64InlineAsmReg, AArch64InlineAsmRegClass}; pub use arm::{ArmInlineAsmReg, ArmInlineAsmRegClass}; +pub use bpf::{BpfInlineAsmReg, BpfInlineAsmRegClass}; pub use hexagon::{HexagonInlineAsmReg, HexagonInlineAsmRegClass}; pub use mips::{MipsInlineAsmReg, MipsInlineAsmRegClass}; pub use nvptx::{NvptxInlineAsmReg, NvptxInlineAsmRegClass}; @@ -184,6 +186,7 @@ pub enum InlineAsmArch { PowerPC64, SpirV, Wasm32, + Bpf, } impl FromStr for InlineAsmArch { @@ -205,6 +208,7 @@ impl FromStr for InlineAsmArch { "mips64" => Ok(Self::Mips64), "spirv" => Ok(Self::SpirV), "wasm32" => Ok(Self::Wasm32), + "bpf" => Ok(Self::Bpf), _ => Err(()), } } @@ -233,6 +237,7 @@ pub enum InlineAsmReg { Mips(MipsInlineAsmReg), SpirV(SpirVInlineAsmReg), Wasm(WasmInlineAsmReg), + Bpf(BpfInlineAsmReg), // Placeholder for invalid register constraints for the current target Err, } @@ -247,6 +252,7 @@ impl InlineAsmReg { Self::PowerPC(r) => r.name(), Self::Hexagon(r) => r.name(), Self::Mips(r) => r.name(), + Self::Bpf(r) => r.name(), Self::Err => "<reg>", } } @@ -260,6 +266,7 @@ impl InlineAsmReg { Self::PowerPC(r) => InlineAsmRegClass::PowerPC(r.reg_class()), Self::Hexagon(r) => InlineAsmRegClass::Hexagon(r.reg_class()), Self::Mips(r) => InlineAsmRegClass::Mips(r.reg_class()), + Self::Bpf(r) => InlineAsmRegClass::Bpf(r.reg_class()), Self::Err => InlineAsmRegClass::Err, } } @@ -304,6 +311,9 @@ impl InlineAsmReg { InlineAsmArch::Wasm32 => { Self::Wasm(WasmInlineAsmReg::parse(arch, has_feature, target, &name)?) } + InlineAsmArch::Bpf => { + Self::Bpf(BpfInlineAsmReg::parse(arch, has_feature, target, &name)?) + } }) } @@ -323,6 +333,7 @@ impl InlineAsmReg { Self::PowerPC(r) => r.emit(out, arch, modifier), Self::Hexagon(r) => r.emit(out, arch, modifier), Self::Mips(r) => r.emit(out, arch, modifier), + Self::Bpf(r) => r.emit(out, arch, modifier), Self::Err => unreachable!("Use of InlineAsmReg::Err"), } } @@ -336,6 +347,7 @@ impl InlineAsmReg { Self::PowerPC(_) => cb(self), Self::Hexagon(r) => r.overlapping_regs(|r| cb(Self::Hexagon(r))), Self::Mips(_) => cb(self), + Self::Bpf(r) => r.overlapping_regs(|r| cb(Self::Bpf(r))), Self::Err => unreachable!("Use of InlineAsmReg::Err"), } } @@ -364,6 +376,7 @@ pub enum InlineAsmRegClass { Mips(MipsInlineAsmRegClass), SpirV(SpirVInlineAsmRegClass), Wasm(WasmInlineAsmRegClass), + Bpf(BpfInlineAsmRegClass), // Placeholder for invalid register constraints for the current target Err, } @@ -381,6 +394,7 @@ impl InlineAsmRegClass { Self::Mips(r) => r.name(), Self::SpirV(r) => r.name(), Self::Wasm(r) => r.name(), + Self::Bpf(r) => r.name(), Self::Err => rustc_span::symbol::sym::reg, } } @@ -400,6 +414,7 @@ impl InlineAsmRegClass { Self::Mips(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::Mips), Self::SpirV(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::SpirV), Self::Wasm(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::Wasm), + Self::Bpf(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::Bpf), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -426,6 +441,7 @@ impl InlineAsmRegClass { Self::Mips(r) => r.suggest_modifier(arch, ty), Self::SpirV(r) => r.suggest_modifier(arch, ty), Self::Wasm(r) => r.suggest_modifier(arch, ty), + Self::Bpf(r) => r.suggest_modifier(arch, ty), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -448,6 +464,7 @@ impl InlineAsmRegClass { Self::Mips(r) => r.default_modifier(arch), Self::SpirV(r) => r.default_modifier(arch), Self::Wasm(r) => r.default_modifier(arch), + Self::Bpf(r) => r.default_modifier(arch), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -469,6 +486,7 @@ impl InlineAsmRegClass { Self::Mips(r) => r.supported_types(arch), Self::SpirV(r) => r.supported_types(arch), Self::Wasm(r) => r.supported_types(arch), + Self::Bpf(r) => r.supported_types(arch), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -493,6 +511,7 @@ impl InlineAsmRegClass { } InlineAsmArch::SpirV => Self::SpirV(SpirVInlineAsmRegClass::parse(arch, name)?), InlineAsmArch::Wasm32 => Self::Wasm(WasmInlineAsmRegClass::parse(arch, name)?), + InlineAsmArch::Bpf => Self::Bpf(BpfInlineAsmRegClass::parse(arch, name)?), }) } @@ -510,6 +529,7 @@ impl InlineAsmRegClass { Self::Mips(r) => r.valid_modifiers(arch), Self::SpirV(r) => r.valid_modifiers(arch), Self::Wasm(r) => r.valid_modifiers(arch), + Self::Bpf(r) => r.valid_modifiers(arch), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -679,5 +699,10 @@ pub fn allocatable_registers( wasm::fill_reg_map(arch, has_feature, target, &mut map); map } + InlineAsmArch::Bpf => { + let mut map = bpf::regclass_map(); + bpf::fill_reg_map(arch, has_feature, target, &mut map); + map + } } } diff --git a/compiler/rustc_target/src/lib.rs b/compiler/rustc_target/src/lib.rs index a40de5ef18e..cb8f6b9656c 100644 --- a/compiler/rustc_target/src/lib.rs +++ b/compiler/rustc_target/src/lib.rs @@ -9,13 +9,11 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![feature(bool_to_option)] -#![feature(const_panic)] #![feature(nll)] #![feature(never_type)] #![feature(associated_type_bounds)] #![feature(exhaustive_patterns)] #![feature(min_specialization)] -#![feature(trusted_step)] use std::path::{Path, PathBuf}; diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios.rs index 2218c6c6da7..5682039b865 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_ios.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_ios.rs @@ -10,7 +10,6 @@ pub fn target() -> Target { arch: "aarch64".to_string(), options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".to_string(), - eliminate_frame_pointer: false, max_atomic_width: Some(128), unsupported_abis: super::arm_base::unsupported_abis(), forces_embed_bitcode: true, diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios_macabi.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios_macabi.rs index 758950bd344..8a832546d09 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_ios_macabi.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_ios_macabi.rs @@ -10,7 +10,6 @@ pub fn target() -> Target { arch: "aarch64".to_string(), options: TargetOptions { features: "+neon,+fp-armv8,+apple-a12".to_string(), - eliminate_frame_pointer: false, max_atomic_width: Some(128), unsupported_abis: super::arm_base::unsupported_abis(), forces_embed_bitcode: true, diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs index e594ceec1b7..2187015b627 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs @@ -18,7 +18,6 @@ pub fn target() -> Target { arch: "aarch64".to_string(), options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".to_string(), - eliminate_frame_pointer: false, max_atomic_width: Some(128), unsupported_abis: super::arm_base::unsupported_abis(), forces_embed_bitcode: true, diff --git a/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs b/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs index a83de77dc2a..cb6c06b3711 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs @@ -10,7 +10,6 @@ pub fn target() -> Target { arch: "aarch64".to_string(), options: TargetOptions { features: "+neon,+fp-armv8,+apple-a7".to_string(), - eliminate_frame_pointer: false, max_atomic_width: Some(128), unsupported_abis: super::arm_base::unsupported_abis(), forces_embed_bitcode: true, diff --git a/compiler/rustc_target/src/spec/apple_base.rs b/compiler/rustc_target/src/spec/apple_base.rs index 45c5c1a16e9..8530db179d9 100644 --- a/compiler/rustc_target/src/spec/apple_base.rs +++ b/compiler/rustc_target/src/spec/apple_base.rs @@ -27,6 +27,7 @@ pub fn opts(os: &str) -> TargetOptions { families: vec!["unix".to_string()], is_like_osx: true, dwarf_version: Some(2), + eliminate_frame_pointer: false, has_rpath: true, dll_suffix: ".dylib".to_string(), archive_format: "darwin".to_string(), diff --git a/compiler/rustc_target/src/spec/apple_sdk_base.rs b/compiler/rustc_target/src/spec/apple_sdk_base.rs index 538c4ca8697..e7f7bb343d0 100644 --- a/compiler/rustc_target/src/spec/apple_sdk_base.rs +++ b/compiler/rustc_target/src/spec/apple_sdk_base.rs @@ -44,7 +44,6 @@ pub fn opts(os: &str, arch: Arch) -> TargetOptions { executables: true, link_env_remove: link_env_remove(arch), has_elf_tls: false, - eliminate_frame_pointer: false, ..super::apple_base::opts(os) } } diff --git a/compiler/rustc_target/src/spec/bpf_base.rs b/compiler/rustc_target/src/spec/bpf_base.rs new file mode 100644 index 00000000000..764cc735d75 --- /dev/null +++ b/compiler/rustc_target/src/spec/bpf_base.rs @@ -0,0 +1,42 @@ +use crate::spec::{LinkerFlavor, MergeFunctions, PanicStrategy, TargetOptions}; +use crate::{abi::Endian, spec::abi::Abi}; + +pub fn opts(endian: Endian) -> TargetOptions { + TargetOptions { + allow_asm: true, + endian, + linker_flavor: LinkerFlavor::BpfLinker, + atomic_cas: false, + executables: true, + dynamic_linking: true, + no_builtins: true, + panic_strategy: PanicStrategy::Abort, + position_independent_executables: true, + // Disable MergeFunctions since: + // - older kernels don't support bpf-to-bpf calls + // - on newer kernels, userspace still needs to relocate before calling + // BPF_PROG_LOAD and not all BPF libraries do that yet + merge_functions: MergeFunctions::Disabled, + obj_is_bitcode: true, + requires_lto: false, + singlethread: true, + max_atomic_width: Some(64), + unsupported_abis: vec![ + Abi::Cdecl, + Abi::Stdcall { unwind: false }, + Abi::Stdcall { unwind: true }, + Abi::Fastcall, + Abi::Vectorcall, + Abi::Thiscall { unwind: false }, + Abi::Thiscall { unwind: true }, + Abi::Aapcs, + Abi::Win64, + Abi::SysV64, + Abi::PtxKernel, + Abi::Msp430Interrupt, + Abi::X86Interrupt, + Abi::AmdGpuKernel, + ], + ..Default::default() + } +} diff --git a/compiler/rustc_target/src/spec/bpfeb_unknown_none.rs b/compiler/rustc_target/src/spec/bpfeb_unknown_none.rs new file mode 100644 index 00000000000..a45da82eb40 --- /dev/null +++ b/compiler/rustc_target/src/spec/bpfeb_unknown_none.rs @@ -0,0 +1,12 @@ +use crate::spec::Target; +use crate::{abi::Endian, spec::bpf_base}; + +pub fn target() -> Target { + Target { + llvm_target: "bpfeb".to_string(), + data_layout: "E-m:e-p:64:64-i64:64-i128:128-n32:64-S128".to_string(), + pointer_width: 64, + arch: "bpf".to_string(), + options: bpf_base::opts(Endian::Big), + } +} diff --git a/compiler/rustc_target/src/spec/bpfel_unknown_none.rs b/compiler/rustc_target/src/spec/bpfel_unknown_none.rs new file mode 100644 index 00000000000..6c9afdf35ae --- /dev/null +++ b/compiler/rustc_target/src/spec/bpfel_unknown_none.rs @@ -0,0 +1,12 @@ +use crate::spec::Target; +use crate::{abi::Endian, spec::bpf_base}; + +pub fn target() -> Target { + Target { + llvm_target: "bpfel".to_string(), + data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".to_string(), + pointer_width: 64, + arch: "bpf".to_string(), + options: bpf_base::opts(Endian::Little), + } +} diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index f1bd8ff237d..0f2aaeb533a 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -57,6 +57,7 @@ mod apple_base; mod apple_sdk_base; mod arm_base; mod avr_gnu_base; +mod bpf_base; mod dragonfly_base; mod freebsd_base; mod fuchsia_base; @@ -93,6 +94,7 @@ pub enum LinkerFlavor { Msvc, Lld(LldFlavor), PtxLinker, + BpfLinker, } #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)] @@ -161,6 +163,7 @@ flavor_mappings! { ((LinkerFlavor::Ld), "ld"), ((LinkerFlavor::Msvc), "msvc"), ((LinkerFlavor::PtxLinker), "ptx-linker"), + ((LinkerFlavor::BpfLinker), "bpf-linker"), ((LinkerFlavor::Lld(LldFlavor::Wasm)), "wasm-ld"), ((LinkerFlavor::Lld(LldFlavor::Ld64)), "ld64.lld"), ((LinkerFlavor::Lld(LldFlavor::Ld)), "ld.lld"), @@ -897,6 +900,9 @@ supported_targets! { ("aarch64_be-unknown-linux-gnu", aarch64_be_unknown_linux_gnu), ("aarch64-unknown-linux-gnu_ilp32", aarch64_unknown_linux_gnu_ilp32), ("aarch64_be-unknown-linux-gnu_ilp32", aarch64_be_unknown_linux_gnu_ilp32), + + ("bpfeb-unknown-none", bpfeb_unknown_none), + ("bpfel-unknown-none", bpfel_unknown_none), } /// Everything `rustc` knows about how to compile for a specific target. @@ -922,6 +928,7 @@ pub trait HasTargetSpec { } impl HasTargetSpec for Target { + #[inline] fn target_spec(&self) -> &Target { self } diff --git a/compiler/rustc_target/src/spec/msp430_none_elf.rs b/compiler/rustc_target/src/spec/msp430_none_elf.rs index cc2578aa578..6e3a241a86e 100644 --- a/compiler/rustc_target/src/spec/msp430_none_elf.rs +++ b/compiler/rustc_target/src/spec/msp430_none_elf.rs @@ -17,6 +17,7 @@ pub fn target() -> Target { // dependency on this specific gcc. asm_args: vec!["-mcpu=msp430".to_string()], linker: Some("msp430-elf-gcc".to_string()), + linker_is_gnu: false, // There are no atomic CAS instructions available in the MSP430 // instruction set, and the LLVM backend doesn't currently support diff --git a/compiler/rustc_target/src/spec/wasm_base.rs b/compiler/rustc_target/src/spec/wasm_base.rs index 87e740de08e..4c954a1e567 100644 --- a/compiler/rustc_target/src/spec/wasm_base.rs +++ b/compiler/rustc_target/src/spec/wasm_base.rs @@ -102,12 +102,7 @@ pub fn options() -> TargetOptions { // we use the LLD shipped with the Rust toolchain by default linker: Some("rust-lld".to_owned()), lld_flavor: LldFlavor::Wasm, - - // No need for indirection here, simd types can always be passed by - // value as the whole module either has simd or not, which is different - // from x86 (for example) where programs can have functions that don't - // enable simd features. - simd_types_indirect: false, + linker_is_gnu: false, pre_link_args, diff --git a/compiler/rustc_trait_selection/src/autoderef.rs b/compiler/rustc_trait_selection/src/autoderef.rs index 3f24a33f7d5..ac2e0ebae32 100644 --- a/compiler/rustc_trait_selection/src/autoderef.rs +++ b/compiler/rustc_trait_selection/src/autoderef.rs @@ -6,6 +6,7 @@ use rustc_infer::infer::InferCtxt; use rustc_middle::ty::{self, TraitRef, Ty, TyCtxt, WithConstness}; use rustc_middle::ty::{ToPredicate, TypeFoldable}; use rustc_session::DiagnosticMessageId; +use rustc_span::def_id::LOCAL_CRATE; use rustc_span::Span; #[derive(Copy, Clone, Debug)] @@ -231,7 +232,8 @@ pub fn report_autoderef_recursion_limit_error<'tcx>(tcx: TyCtxt<'tcx>, span: Spa .span_label(span, "deref recursion limit reached") .help(&format!( "consider adding a `#![recursion_limit=\"{}\"]` attribute to your crate (`{}`)", - suggested_limit, tcx.crate_name, + suggested_limit, + tcx.crate_name(LOCAL_CRATE), )) .emit(); } diff --git a/compiler/rustc_trait_selection/src/opaque_types.rs b/compiler/rustc_trait_selection/src/opaque_types.rs index 163df26e9ff..89ec211f262 100644 --- a/compiler/rustc_trait_selection/src/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/opaque_types.rs @@ -2,21 +2,22 @@ use crate::infer::InferCtxtExt as _; use crate::traits::{self, PredicateObligation}; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; +use rustc_data_structures::vec_map::VecMap; use rustc_hir as hir; -use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId}; +use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::Node; use rustc_infer::infer::error_reporting::unexpected_hidden_region_diagnostic; use rustc_infer::infer::free_regions::FreeRegionRelations; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{self, InferCtxt, InferOk}; use rustc_middle::ty::fold::{BottomUpFolder, TypeFoldable, TypeFolder, TypeVisitor}; -use rustc_middle::ty::subst::{GenericArg, GenericArgKind, InternalSubsts, Subst, SubstsRef}; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::subst::{GenericArg, GenericArgKind, InternalSubsts, Subst}; +use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt}; use rustc_span::Span; use std::ops::ControlFlow; -pub type OpaqueTypeMap<'tcx> = DefIdMap<OpaqueTypeDecl<'tcx>>; +pub type OpaqueTypeMap<'tcx> = VecMap<OpaqueTypeKey<'tcx>, OpaqueTypeDecl<'tcx>>; /// Information about the opaque types whose values we /// are inferring in this function (these are the `impl Trait` that @@ -26,19 +27,6 @@ pub struct OpaqueTypeDecl<'tcx> { /// The opaque type (`ty::Opaque`) for this declaration. pub opaque_type: Ty<'tcx>, - /// The substitutions that we apply to the opaque type that this - /// `impl Trait` desugars to. e.g., if: - /// - /// fn foo<'a, 'b, T>() -> impl Trait<'a> - /// - /// winds up desugared to: - /// - /// type Foo<'x, X> = impl Trait<'x> - /// fn foo<'a, 'b, T>() -> Foo<'a, T> - /// - /// then `substs` would be `['a, T]`. - pub substs: SubstsRef<'tcx>, - /// The span of this particular definition of the opaque type. So /// for example: /// @@ -125,7 +113,7 @@ pub trait InferCtxtExt<'tcx> { fn constrain_opaque_type<FRR: FreeRegionRelations<'tcx>>( &self, - def_id: DefId, + opaque_type_key: OpaqueTypeKey<'tcx>, opaque_defn: &OpaqueTypeDecl<'tcx>, mode: GenerateMemberConstraints, free_region_relations: &FRR, @@ -136,14 +124,13 @@ pub trait InferCtxtExt<'tcx> { &self, concrete_ty: Ty<'tcx>, opaque_defn: &OpaqueTypeDecl<'tcx>, - opaque_type_def_id: DefId, + opaque_type_key: OpaqueTypeKey<'tcx>, first_own_region_index: usize, ); fn infer_opaque_definition_from_instantiation( &self, - def_id: DefId, - substs: SubstsRef<'tcx>, + opaque_type_key: OpaqueTypeKey<'tcx>, instantiated_ty: Ty<'tcx>, span: Span, ) -> Ty<'tcx>; @@ -370,10 +357,10 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { ) { debug!("constrain_opaque_types()"); - for (&def_id, opaque_defn) in opaque_types { + for &(opaque_type_key, opaque_defn) in opaque_types { self.constrain_opaque_type( - def_id, - opaque_defn, + opaque_type_key, + &opaque_defn, GenerateMemberConstraints::WhenRequired, free_region_relations, ); @@ -383,11 +370,13 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { /// See `constrain_opaque_types` for documentation. fn constrain_opaque_type<FRR: FreeRegionRelations<'tcx>>( &self, - def_id: DefId, + opaque_type_key: OpaqueTypeKey<'tcx>, opaque_defn: &OpaqueTypeDecl<'tcx>, mode: GenerateMemberConstraints, free_region_relations: &FRR, ) { + let def_id = opaque_type_key.def_id; + debug!("constrain_opaque_type()"); debug!("constrain_opaque_type: def_id={:?}", def_id); debug!("constrain_opaque_type: opaque_defn={:#?}", opaque_defn); @@ -426,9 +415,9 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { let bounds = tcx.explicit_item_bounds(def_id); debug!("constrain_opaque_type: predicates: {:#?}", bounds); let bounds: Vec<_> = - bounds.iter().map(|(bound, _)| bound.subst(tcx, opaque_defn.substs)).collect(); + bounds.iter().map(|(bound, _)| bound.subst(tcx, opaque_type_key.substs)).collect(); debug!("constrain_opaque_type: bounds={:#?}", bounds); - let opaque_type = tcx.mk_opaque(def_id, opaque_defn.substs); + let opaque_type = tcx.mk_opaque(def_id, opaque_type_key.substs); let required_region_bounds = required_region_bounds(tcx, opaque_type, bounds.into_iter()); @@ -440,7 +429,12 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { }); } if let GenerateMemberConstraints::IfNoStaticBound = mode { - self.generate_member_constraint(concrete_ty, opaque_defn, def_id, first_own_region); + self.generate_member_constraint( + concrete_ty, + opaque_defn, + opaque_type_key, + first_own_region, + ); } return; } @@ -454,7 +448,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { // second. let mut least_region = None; - for subst_arg in &opaque_defn.substs[first_own_region..] { + for subst_arg in &opaque_type_key.substs[first_own_region..] { let subst_region = match subst_arg.unpack() { GenericArgKind::Lifetime(r) => r, GenericArgKind::Type(_) | GenericArgKind::Const(_) => continue, @@ -484,7 +478,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { return self.generate_member_constraint( concrete_ty, opaque_defn, - def_id, + opaque_type_key, first_own_region, ); } @@ -497,7 +491,12 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { if let GenerateMemberConstraints::IfNoStaticBound = mode { if least_region != tcx.lifetimes.re_static { - self.generate_member_constraint(concrete_ty, opaque_defn, def_id, first_own_region); + self.generate_member_constraint( + concrete_ty, + opaque_defn, + opaque_type_key, + first_own_region, + ); } } concrete_ty.visit_with(&mut ConstrainOpaqueTypeRegionVisitor { @@ -517,14 +516,14 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, concrete_ty: Ty<'tcx>, opaque_defn: &OpaqueTypeDecl<'tcx>, - opaque_type_def_id: DefId, + opaque_type_key: OpaqueTypeKey<'tcx>, first_own_region: usize, ) { // Create the set of choice regions: each region in the hidden // type can be equal to any of the region parameters of the // opaque type definition. let choice_regions: Lrc<Vec<ty::Region<'tcx>>> = Lrc::new( - opaque_defn.substs[first_own_region..] + opaque_type_key.substs[first_own_region..] .iter() .filter_map(|arg| match arg.unpack() { GenericArgKind::Lifetime(r) => Some(r), @@ -537,7 +536,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { concrete_ty.visit_with(&mut ConstrainOpaqueTypeRegionVisitor { op: |r| { self.member_constraint( - opaque_type_def_id, + opaque_type_key.def_id, opaque_defn.definition_span, concrete_ty, r, @@ -572,11 +571,12 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { /// `opaque_defn.concrete_ty` fn infer_opaque_definition_from_instantiation( &self, - def_id: DefId, - substs: SubstsRef<'tcx>, + opaque_type_key: OpaqueTypeKey<'tcx>, instantiated_ty: Ty<'tcx>, span: Span, ) -> Ty<'tcx> { + let OpaqueTypeKey { def_id, substs } = opaque_type_key; + debug!( "infer_opaque_definition_from_instantiation(def_id={:?}, instantiated_ty={:?})", def_id, instantiated_ty @@ -1007,7 +1007,9 @@ impl<'a, 'tcx> Instantiator<'a, 'tcx> { ), }; if in_definition_scope { - return self.fold_opaque_ty(ty, def_id.to_def_id(), substs, origin); + let opaque_type_key = + OpaqueTypeKey { def_id: def_id.to_def_id(), substs }; + return self.fold_opaque_ty(ty, opaque_type_key, origin); } debug!( @@ -1029,18 +1031,18 @@ impl<'a, 'tcx> Instantiator<'a, 'tcx> { fn fold_opaque_ty( &mut self, ty: Ty<'tcx>, - def_id: DefId, - substs: SubstsRef<'tcx>, + opaque_type_key: OpaqueTypeKey<'tcx>, origin: hir::OpaqueTyOrigin, ) -> Ty<'tcx> { let infcx = self.infcx; let tcx = infcx.tcx; + let OpaqueTypeKey { def_id, substs } = opaque_type_key; debug!("instantiate_opaque_types: Opaque(def_id={:?}, substs={:?})", def_id, substs); // Use the same type variable if the exact same opaque type appears more // than once in the return type (e.g., if it's passed to a type alias). - if let Some(opaque_defn) = self.opaque_types.get(&def_id) { + if let Some(opaque_defn) = self.opaque_types.get(&opaque_type_key) { debug!("instantiate_opaque_types: returning concrete ty {:?}", opaque_defn.concrete_ty); return opaque_defn.concrete_ty; } @@ -1078,10 +1080,9 @@ impl<'a, 'tcx> Instantiator<'a, 'tcx> { let definition_span = self.value_span; self.opaque_types.insert( - def_id, + OpaqueTypeKey { def_id, substs }, OpaqueTypeDecl { opaque_type: ty, - substs, definition_span, concrete_ty: ty_var, has_required_region_bounds: !required_region_bounds.is_empty(), diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index db396356d67..19c3385dd4c 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -1878,6 +1878,10 @@ impl<'v> Visitor<'v> for FindTypeParam { hir::intravisit::NestedVisitorMap::None } + fn visit_where_predicate(&mut self, _: &'v hir::WherePredicate<'v>) { + // Skip where-clauses, to avoid suggesting indirection for type parameters found there. + } + fn visit_ty(&mut self, ty: &hir::Ty<'_>) { // We collect the spans of all uses of the "bare" type param, like in `field: T` or // `field: (T, T)` where we could make `T: ?Sized` while skipping cases that are known to be diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 8bbd2da5375..5c35b515f3d 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -21,6 +21,7 @@ use rustc_middle::ty::{ Infer, InferTy, ToPredicate, Ty, TyCtxt, TypeFoldable, WithConstness, }; use rustc_middle::ty::{TypeAndMut, TypeckResults}; +use rustc_span::def_id::LOCAL_CRATE; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, MultiSpan, Span, DUMMY_SP}; use rustc_target::spec::abi; @@ -2313,7 +2314,8 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { let suggested_limit = current_limit * 2; err.help(&format!( "consider adding a `#![recursion_limit=\"{}\"]` attribute to your crate (`{}`)", - suggested_limit, self.tcx.crate_name, + suggested_limit, + self.tcx.crate_name(LOCAL_CRATE), )); } diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index f38c5d8f2f7..ebc7b0d0d99 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -6,7 +6,7 @@ use rustc_middle::ty::subst::Subst; use rustc_middle::ty::{ self, Binder, Predicate, PredicateKind, ToPredicate, Ty, TyCtxt, WithConstness, }; -use rustc_span::symbol::Symbol; +use rustc_session::CrateDisambiguator; use rustc_span::Span; use rustc_trait_selection::traits; @@ -388,9 +388,9 @@ fn param_env_reveal_all_normalized(tcx: TyCtxt<'_>, def_id: DefId) -> ty::ParamE tcx.param_env(def_id).with_reveal_all_normalized(tcx) } -fn original_crate_name(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Symbol { +fn crate_disambiguator(tcx: TyCtxt<'_>, crate_num: CrateNum) -> CrateDisambiguator { assert_eq!(crate_num, LOCAL_CRATE); - tcx.crate_name + tcx.sess.local_crate_disambiguator() } fn instance_def_size_estimate<'tcx>( @@ -538,7 +538,7 @@ pub fn provide(providers: &mut ty::query::Providers) { param_env, param_env_reveal_all_normalized, trait_of_item, - original_crate_name, + crate_disambiguator, instance_def_size_estimate, issue33140_self_ty, impl_defaultness, diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 3f4c8a72f1d..2d102127dd9 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -1,5 +1,4 @@ #![feature(min_specialization)] -#![feature(trusted_step)] #[macro_use] extern crate bitflags; diff --git a/compiler/rustc_typeck/src/check/check.rs b/compiler/rustc_typeck/src/check/check.rs index 92d7ea26003..70d85796d00 100644 --- a/compiler/rustc_typeck/src/check/check.rs +++ b/compiler/rustc_typeck/src/check/check.rs @@ -16,7 +16,7 @@ use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::layout::MAX_SIMD_LANES; use rustc_middle::ty::subst::GenericArgKind; use rustc_middle::ty::util::{Discr, IntTypeExt}; -use rustc_middle::ty::{self, ParamEnv, RegionKind, Ty, TyCtxt}; +use rustc_middle::ty::{self, OpaqueTypeKey, ParamEnv, RegionKind, Ty, TyCtxt}; use rustc_session::lint::builtin::UNINHABITED_STATIC; use rustc_span::symbol::sym; use rustc_span::{self, MultiSpan, Span}; @@ -716,10 +716,10 @@ fn check_opaque_meets_bounds<'tcx>( infcx.instantiate_opaque_types(def_id, hir_id, param_env, opaque_ty, span), ); - for (def_id, opaque_defn) in opaque_type_map { + for (OpaqueTypeKey { def_id, substs }, opaque_defn) in opaque_type_map { match infcx .at(&misc_cause, param_env) - .eq(opaque_defn.concrete_ty, tcx.type_of(def_id).subst(tcx, opaque_defn.substs)) + .eq(opaque_defn.concrete_ty, tcx.type_of(def_id).subst(tcx, substs)) { Ok(infer_ok) => inh.register_infer_ok_obligations(infer_ok), Err(ty_err) => tcx.sess.delay_span_bug( @@ -1214,10 +1214,19 @@ pub fn check_simd(tcx: TyCtxt<'_>, sp: Span, def_id: LocalDefId) { } } + // Check that we use types valid for use in the lanes of a SIMD "vector register" + // These are scalar types which directly match a "machine" type + // Yes: Integers, floats, "thin" pointers + // No: char, "fat" pointers, compound types match e.kind() { - ty::Param(_) => { /* struct<T>(T, T, T, T) is ok */ } - _ if e.is_machine() => { /* struct(u8, u8, u8, u8) is ok */ } - ty::Array(ty, _c) if ty.is_machine() => { /* struct([f32; 4]) */ } + ty::Param(_) => (), // pass struct<T>(T, T, T, T) through, let monomorphization catch errors + ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::RawPtr(_) => (), // struct(u8, u8, u8, u8) is ok + ty::Array(t, _clen) + if matches!( + t.kind(), + ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::RawPtr(_) + ) => + { /* struct([f32; 4]) is ok */ } _ => { struct_span_err!( tcx.sess, diff --git a/compiler/rustc_typeck/src/check/demand.rs b/compiler/rustc_typeck/src/check/demand.rs index e5fcdcfa743..33bc25accb3 100644 --- a/compiler/rustc_typeck/src/check/demand.rs +++ b/compiler/rustc_typeck/src/check/demand.rs @@ -8,6 +8,7 @@ use rustc_errors::{Applicability, DiagnosticBuilder}; use rustc_hir as hir; use rustc_hir::lang_items::LangItem; use rustc_hir::{is_range_literal, Node}; +use rustc_middle::lint::in_external_macro; use rustc_middle::ty::adjustment::AllowTwoPhase; use rustc_middle::ty::{self, AssocItem, Ty, TypeAndMut}; use rustc_span::symbol::sym; @@ -16,6 +17,7 @@ use rustc_span::Span; use super::method::probe; use std::fmt; +use std::iter; impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn emit_coerce_suggestions( @@ -412,14 +414,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { checked_ty: Ty<'tcx>, expected: Ty<'tcx>, ) -> Option<(Span, &'static str, String, Applicability)> { - let sm = self.sess().source_map(); + let sess = self.sess(); let sp = expr.span; - if sm.is_imported(sp) { - // Ignore if span is from within a macro #41858, #58298. We previously used the macro - // call span, but that breaks down when the type error comes from multiple calls down. + + // If the span is from an external macro, there's no suggestion we can make. + if in_external_macro(sess, sp) { return None; } + let sm = sess.source_map(); + let replace_prefix = |s: &str, old: &str, new: &str| { s.strip_prefix(old).map(|stripped| new.to_string() + stripped) }; @@ -427,10 +431,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let is_struct_pat_shorthand_field = self.is_hir_id_from_struct_pattern_shorthand_field(expr.hir_id, sp); - // If the span is from a macro, then it's hard to extract the text - // and make a good suggestion, so don't bother. - let is_macro = sp.from_expansion() && sp.desugaring_kind().is_none(); - // `ExprKind::DropTemps` is semantically irrelevant for these suggestions. let expr = expr.peel_drop_temps(); @@ -570,32 +570,38 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { hir::ExprKind::AddrOf(hir::BorrowKind::Ref, _, ref expr), _, &ty::Ref(_, checked, _), - ) if { - self.infcx.can_sub(self.param_env, checked, &expected).is_ok() && !is_macro - } => - { + ) if self.infcx.can_sub(self.param_env, checked, &expected).is_ok() => { // We have `&T`, check if what was expected was `T`. If so, // we may want to suggest removing a `&`. if sm.is_imported(expr.span) { - if let Ok(src) = sm.span_to_snippet(sp) { - if let Some(src) = src.strip_prefix('&') { + // Go through the spans from which this span was expanded, + // and find the one that's pointing inside `sp`. + // + // E.g. for `&format!("")`, where we want the span to the + // `format!()` invocation instead of its expansion. + if let Some(call_span) = + iter::successors(Some(expr.span), |s| s.parent()).find(|&s| sp.contains(s)) + { + if let Ok(code) = sm.span_to_snippet(call_span) { return Some(( sp, "consider removing the borrow", - src.to_string(), + code, Applicability::MachineApplicable, )); } } return None; } - if let Ok(code) = sm.span_to_snippet(expr.span) { - return Some(( - sp, - "consider removing the borrow", - code, - Applicability::MachineApplicable, - )); + if sp.contains(expr.span) { + if let Ok(code) = sm.span_to_snippet(expr.span) { + return Some(( + sp, + "consider removing the borrow", + code, + Applicability::MachineApplicable, + )); + } } } ( @@ -643,7 +649,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } } - _ if sp == expr.span && !is_macro => { + _ if sp == expr.span => { if let Some(steps) = self.deref_steps(checked_ty, expected) { let expr = expr.peel_blocks(); diff --git a/compiler/rustc_typeck/src/check/dropck.rs b/compiler/rustc_typeck/src/check/dropck.rs index de6336b254b..01276495c18 100644 --- a/compiler/rustc_typeck/src/check/dropck.rs +++ b/compiler/rustc_typeck/src/check/dropck.rs @@ -310,6 +310,7 @@ impl TypeRelation<'tcx> for SimpleEqRelation<'tcx> { fn relate_with_variance<T: Relate<'tcx>>( &mut self, _: ty::Variance, + _info: ty::VarianceDiagInfo<'tcx>, a: T, b: T, ) -> RelateResult<'tcx, T> { diff --git a/compiler/rustc_typeck/src/check/inherited.rs b/compiler/rustc_typeck/src/check/inherited.rs index 1dacbade1bd..2e9bef15f90 100644 --- a/compiler/rustc_typeck/src/check/inherited.rs +++ b/compiler/rustc_typeck/src/check/inherited.rs @@ -2,13 +2,14 @@ use super::callee::DeferredCallResolution; use super::MaybeInProgressTables; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::vec_map::VecMap; use rustc_hir as hir; use rustc_hir::def_id::{DefIdMap, LocalDefId}; use rustc_hir::HirIdMap; use rustc_infer::infer; use rustc_infer::infer::{InferCtxt, InferOk, TyCtxtInferExt}; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt}; use rustc_span::{self, Span}; use rustc_trait_selection::infer::InferCtxtExt as _; use rustc_trait_selection::opaque_types::OpaqueTypeDecl; @@ -58,7 +59,7 @@ pub struct Inherited<'a, 'tcx> { // associated fresh inference variable. Writeback resolves these // variables to get the concrete type, which can be used to // 'de-opaque' OpaqueTypeDecl, after typeck is done with all functions. - pub(super) opaque_types: RefCell<DefIdMap<OpaqueTypeDecl<'tcx>>>, + pub(super) opaque_types: RefCell<VecMap<OpaqueTypeKey<'tcx>, OpaqueTypeDecl<'tcx>>>, /// A map from inference variables created from opaque /// type instantiations (`ty::Infer`) to the actual opaque diff --git a/compiler/rustc_typeck/src/check/place_op.rs b/compiler/rustc_typeck/src/check/place_op.rs index a63aec07ad1..652b82f1063 100644 --- a/compiler/rustc_typeck/src/check/place_op.rs +++ b/compiler/rustc_typeck/src/check/place_op.rs @@ -248,7 +248,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Clear previous flag; after a pointer indirection it does not apply any more. inside_union = false; } - if source.ty_adt_def().map_or(false, |adt| adt.is_union()) { + if source.is_union() { inside_union = true; } // Fix up the autoderefs. Autorefs can only occur immediately preceding diff --git a/compiler/rustc_typeck/src/check/upvar.rs b/compiler/rustc_typeck/src/check/upvar.rs index 71e222c560a..6baa185406e 100644 --- a/compiler/rustc_typeck/src/check/upvar.rs +++ b/compiler/rustc_typeck/src/check/upvar.rs @@ -1588,6 +1588,11 @@ impl<'a, 'tcx> InferBorrowKind<'a, 'tcx> { impl<'a, 'tcx> euv::Delegate<'tcx> for InferBorrowKind<'a, 'tcx> { fn fake_read(&mut self, place: Place<'tcx>, cause: FakeReadCause, diag_expr_id: hir::HirId) { if let PlaceBase::Upvar(_) = place.base { + // We need to restrict Fake Read precision to avoid fake reading unsafe code, + // such as deref of a raw pointer. + let place = restrict_capture_precision(place); + let place = + restrict_repr_packed_field_ref_capture(self.fcx.tcx, self.fcx.param_env, &place); self.fake_reads.push((place, cause, diag_expr_id)); } } diff --git a/compiler/rustc_typeck/src/check/writeback.rs b/compiler/rustc_typeck/src/check/writeback.rs index e472add6e80..032cc7ee233 100644 --- a/compiler/rustc_typeck/src/check/writeback.rs +++ b/compiler/rustc_typeck/src/check/writeback.rs @@ -475,8 +475,9 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { } fn visit_opaque_types(&mut self, span: Span) { - for (&def_id, opaque_defn) in self.fcx.opaque_types.borrow().iter() { - let hir_id = self.tcx().hir().local_def_id_to_hir_id(def_id.expect_local()); + for &(opaque_type_key, opaque_defn) in self.fcx.opaque_types.borrow().iter() { + let hir_id = + self.tcx().hir().local_def_id_to_hir_id(opaque_type_key.def_id.expect_local()); let instantiated_ty = self.resolve(opaque_defn.concrete_ty, &hir_id); debug_assert!(!instantiated_ty.has_escaping_bound_vars()); @@ -494,50 +495,47 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { // ``` // figures out the concrete type with `U`, but the stored type is with `T`. let definition_ty = self.fcx.infer_opaque_definition_from_instantiation( - def_id, - opaque_defn.substs, + opaque_type_key, instantiated_ty, span, ); let mut skip_add = false; - if let ty::Opaque(defin_ty_def_id, _substs) = *definition_ty.kind() { + if let ty::Opaque(definition_ty_def_id, _substs) = *definition_ty.kind() { if let hir::OpaqueTyOrigin::Misc | hir::OpaqueTyOrigin::TyAlias = opaque_defn.origin { - if def_id == defin_ty_def_id { + if opaque_type_key.def_id == definition_ty_def_id { debug!( "skipping adding concrete definition for opaque type {:?} {:?}", - opaque_defn, defin_ty_def_id + opaque_defn, opaque_type_key.def_id ); skip_add = true; } } } - if !opaque_defn.substs.needs_infer() { + if !opaque_type_key.substs.needs_infer() { // We only want to add an entry into `concrete_opaque_types` // if we actually found a defining usage of this opaque type. // Otherwise, we do nothing - we'll either find a defining usage // in some other location, or we'll end up emitting an error due // to the lack of defining usage if !skip_add { - let new = ty::ResolvedOpaqueTy { - concrete_type: definition_ty, - substs: opaque_defn.substs, - }; - - let old = self.typeck_results.concrete_opaque_types.insert(def_id, new); - if let Some(old) = old { - if old.concrete_type != definition_ty || old.substs != opaque_defn.substs { + let old_concrete_ty = self + .typeck_results + .concrete_opaque_types + .insert(opaque_type_key, definition_ty); + if let Some(old_concrete_ty) = old_concrete_ty { + if old_concrete_ty != definition_ty { span_bug!( span, "`visit_opaque_types` tried to write different types for the same \ opaque type: {:?}, {:?}, {:?}, {:?}", - def_id, + opaque_type_key.def_id, definition_ty, opaque_defn, - old, + old_concrete_ty, ); } } diff --git a/compiler/rustc_typeck/src/collect.rs b/compiler/rustc_typeck/src/collect.rs index 0528f8812f9..ee3ac3b62d9 100644 --- a/compiler/rustc_typeck/src/collect.rs +++ b/compiler/rustc_typeck/src/collect.rs @@ -2597,6 +2597,7 @@ fn from_target_feature( Some(sym::rtm_target_feature) => rust_features.rtm_target_feature, Some(sym::f16c_target_feature) => rust_features.f16c_target_feature, Some(sym::ermsb_target_feature) => rust_features.ermsb_target_feature, + Some(sym::bpf_target_feature) => rust_features.bpf_target_feature, Some(name) => bug!("unknown target feature gate {}", name), None => true, }; @@ -2770,7 +2771,25 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { } } else if tcx.sess.check_name(attr, sym::target_feature) { if !tcx.is_closure(id) && tcx.fn_sig(id).unsafety() == hir::Unsafety::Normal { - if !tcx.features().target_feature_11 { + if tcx.sess.target.is_like_wasm || tcx.sess.opts.actually_rustdoc { + // The `#[target_feature]` attribute is allowed on + // WebAssembly targets on all functions, including safe + // ones. Other targets require that `#[target_feature]` is + // only applied to unsafe funtions (pending the + // `target_feature_11` feature) because on most targets + // execution of instructions that are not supported is + // considered undefined behavior. For WebAssembly which is a + // 100% safe target at execution time it's not possible to + // execute undefined instructions, and even if a future + // feature was added in some form for this it would be a + // deterministic trap. There is no undefined behavior when + // executing WebAssembly so `#[target_feature]` is allowed + // on safe functions (but again, only for WebAssembly) + // + // Note that this is also allowed if `actually_rustdoc` so + // if a target is documenting some wasm-specific code then + // it's not spuriously denied. + } else if !tcx.features().target_feature_11 { let mut err = feature_err( &tcx.sess.parse_sess, sym::target_feature_11, diff --git a/compiler/rustc_typeck/src/collect/type_of.rs b/compiler/rustc_typeck/src/collect/type_of.rs index 5197b620f90..29a87b18a9e 100644 --- a/compiler/rustc_typeck/src/collect/type_of.rs +++ b/compiler/rustc_typeck/src/collect/type_of.rs @@ -349,8 +349,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { let concrete_ty = tcx .mir_borrowck(owner.expect_local()) .concrete_opaque_types - .get(&def_id.to_def_id()) - .map(|opaque| opaque.concrete_type) + .get_by(|(key, _)| key.def_id == def_id.to_def_id()) + .map(|concrete_ty| *concrete_ty) .unwrap_or_else(|| { tcx.sess.delay_span_bug( DUMMY_SP, @@ -515,7 +515,13 @@ fn find_opaque_ty_constraints(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Ty<'_> { } // Calling `mir_borrowck` can lead to cycle errors through // const-checking, avoid calling it if we don't have to. - if !self.tcx.typeck(def_id).concrete_opaque_types.contains_key(&self.def_id) { + if self + .tcx + .typeck(def_id) + .concrete_opaque_types + .get_by(|(key, _)| key.def_id == self.def_id) + .is_none() + { debug!( "find_opaque_ty_constraints: no constraint for `{:?}` at `{:?}`", self.def_id, def_id, @@ -523,11 +529,13 @@ fn find_opaque_ty_constraints(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Ty<'_> { return; } // Use borrowck to get the type with unerased regions. - let ty = self.tcx.mir_borrowck(def_id).concrete_opaque_types.get(&self.def_id); - if let Some(ty::ResolvedOpaqueTy { concrete_type, substs }) = ty { + let concrete_opaque_types = &self.tcx.mir_borrowck(def_id).concrete_opaque_types; + if let Some((opaque_type_key, concrete_type)) = + concrete_opaque_types.iter().find(|(key, _)| key.def_id == self.def_id) + { debug!( "find_opaque_ty_constraints: found constraint for `{:?}` at `{:?}`: {:?}", - self.def_id, def_id, ty, + self.def_id, def_id, concrete_type, ); // FIXME(oli-obk): trace the actual span from inference to improve errors. @@ -538,7 +546,7 @@ fn find_opaque_ty_constraints(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Ty<'_> { // using `delay_span_bug`, just in case `wfcheck` slips up. let opaque_generics = self.tcx.generics_of(self.def_id); let mut used_params: FxHashSet<_> = FxHashSet::default(); - for (i, arg) in substs.iter().enumerate() { + for (i, arg) in opaque_type_key.substs.iter().enumerate() { let arg_is_param = match arg.unpack() { GenericArgKind::Type(ty) => matches!(ty.kind(), ty::Param(_)), GenericArgKind::Lifetime(lt) => { @@ -699,8 +707,8 @@ fn let_position_impl_trait_type(tcx: TyCtxt<'_>, opaque_ty_id: LocalDefId) -> Ty let owner_typeck_results = tcx.typeck(scope_def_id); let concrete_ty = owner_typeck_results .concrete_opaque_types - .get(&opaque_ty_def_id) - .map(|opaque| opaque.concrete_type) + .get_by(|(key, _)| key.def_id == opaque_ty_def_id) + .map(|concrete_ty| *concrete_ty) .unwrap_or_else(|| { tcx.sess.delay_span_bug( DUMMY_SP, @@ -766,7 +774,7 @@ fn infer_placeholder_type( if !ty.references_error() { diag.span_suggestion( span, - "replace `_` with the correct type", + "replace with the correct type", ty.to_string(), Applicability::MaybeIncorrect, ); diff --git a/config.toml.example b/config.toml.example index df2fb448b7d..7fa5353d09b 100644 --- a/config.toml.example +++ b/config.toml.example @@ -94,7 +94,7 @@ changelog-seen = 2 # support. You'll need to write a target specification at least, and most # likely, teach rustc about the C ABI of the target. Get in touch with the # Rust team and file an issue if you need assistance in porting! -#targets = "AArch64;ARM;Hexagon;MSP430;Mips;NVPTX;PowerPC;RISCV;Sparc;SystemZ;WebAssembly;X86" +#targets = "AArch64;ARM;BPF;Hexagon;MSP430;Mips;NVPTX;PowerPC;RISCV;Sparc;SystemZ;WebAssembly;X86" # LLVM experimental targets to build support for. These targets are specified in # the same format as above, but since these targets are experimental, they are diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs index c9bdcaa78f3..91eec10d575 100644 --- a/library/alloc/benches/vec.rs +++ b/library/alloc/benches/vec.rs @@ -551,19 +551,13 @@ const LEN: usize = 16384; #[bench] fn bench_chain_collect(b: &mut Bencher) { let data = black_box([0; LEN]); - b.iter(|| data.iter().cloned().chain([1].iter().cloned()).collect::<Vec<_>>()); + b.iter(|| data.iter().cloned().chain([1]).collect::<Vec<_>>()); } #[bench] fn bench_chain_chain_collect(b: &mut Bencher) { let data = black_box([0; LEN]); - b.iter(|| { - data.iter() - .cloned() - .chain([1].iter().cloned()) - .chain([2].iter().cloned()) - .collect::<Vec<_>>() - }); + b.iter(|| data.iter().cloned().chain([1]).chain([2]).collect::<Vec<_>>()); } #[bench] diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index 7d6fbf1c438..5d03be35e46 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -2416,7 +2416,6 @@ impl<T> VecDeque<T> { /// found; the fourth could match any position in `[1, 4]`. /// /// ``` - /// #![feature(vecdeque_binary_search)] /// use std::collections::VecDeque; /// /// let deque: VecDeque<_> = vec![0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55].into(); @@ -2432,7 +2431,6 @@ impl<T> VecDeque<T> { /// sort order: /// /// ``` - /// #![feature(vecdeque_binary_search)] /// use std::collections::VecDeque; /// /// let mut deque: VecDeque<_> = vec![0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55].into(); @@ -2441,7 +2439,7 @@ impl<T> VecDeque<T> { /// deque.insert(idx, num); /// assert_eq!(deque, &[0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 42, 55]); /// ``` - #[unstable(feature = "vecdeque_binary_search", issue = "78021")] + #[stable(feature = "vecdeque_binary_search", since = "1.54.0")] #[inline] pub fn binary_search(&self, x: &T) -> Result<usize, usize> where @@ -2476,7 +2474,6 @@ impl<T> VecDeque<T> { /// found; the fourth could match any position in `[1, 4]`. /// /// ``` - /// #![feature(vecdeque_binary_search)] /// use std::collections::VecDeque; /// /// let deque: VecDeque<_> = vec![0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55].into(); @@ -2487,7 +2484,7 @@ impl<T> VecDeque<T> { /// let r = deque.binary_search_by(|x| x.cmp(&1)); /// assert!(matches!(r, Ok(1..=4))); /// ``` - #[unstable(feature = "vecdeque_binary_search", issue = "78021")] + #[stable(feature = "vecdeque_binary_search", since = "1.54.0")] pub fn binary_search_by<'a, F>(&'a self, mut f: F) -> Result<usize, usize> where F: FnMut(&'a T) -> Ordering, @@ -2530,7 +2527,6 @@ impl<T> VecDeque<T> { /// fourth could match any position in `[1, 4]`. /// /// ``` - /// #![feature(vecdeque_binary_search)] /// use std::collections::VecDeque; /// /// let deque: VecDeque<_> = vec![(0, 0), (2, 1), (4, 1), (5, 1), @@ -2543,7 +2539,7 @@ impl<T> VecDeque<T> { /// let r = deque.binary_search_by_key(&1, |&(a, b)| b); /// assert!(matches!(r, Ok(1..=4))); /// ``` - #[unstable(feature = "vecdeque_binary_search", issue = "78021")] + #[stable(feature = "vecdeque_binary_search", since = "1.54.0")] #[inline] pub fn binary_search_by_key<'a, B, F>(&'a self, b: &B, mut f: F) -> Result<usize, usize> where @@ -2574,7 +2570,6 @@ impl<T> VecDeque<T> { /// # Examples /// /// ``` - /// #![feature(vecdeque_binary_search)] /// use std::collections::VecDeque; /// /// let deque: VecDeque<_> = vec![1, 2, 3, 3, 5, 6, 7].into(); @@ -2584,7 +2579,7 @@ impl<T> VecDeque<T> { /// assert!(deque.iter().take(i).all(|&x| x < 5)); /// assert!(deque.iter().skip(i).all(|&x| !(x < 5))); /// ``` - #[unstable(feature = "vecdeque_binary_search", issue = "78021")] + #[stable(feature = "vecdeque_binary_search", since = "1.54.0")] pub fn partition_point<P>(&self, mut pred: P) -> usize where P: FnMut(&T) -> bool, diff --git a/library/alloc/src/collections/vec_deque/pair_slices.rs b/library/alloc/src/collections/vec_deque/pair_slices.rs index 812765d0b0d..7b87090fb07 100644 --- a/library/alloc/src/collections/vec_deque/pair_slices.rs +++ b/library/alloc/src/collections/vec_deque/pair_slices.rs @@ -1,4 +1,3 @@ -use core::array; use core::cmp::{self}; use core::mem::replace; @@ -37,7 +36,7 @@ impl<'a, 'b, T> PairSlices<'a, 'b, T> { } pub fn remainder(self) -> impl Iterator<Item = &'b [T]> { - array::IntoIter::new([self.b0, self.b1]) + IntoIterator::into_iter([self.b0, self.b1]) } } diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index 7bc9aa69be9..a04e7c8a498 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -59,7 +59,6 @@ #![allow(unused_attributes)] #![stable(feature = "alloc", since = "1.36.0")] #![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", html_playground_url = "https://play.rust-lang.org/", issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/", test(no_crate_inject, attr(allow(unused_variables), deny(warnings))) diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs index dbe5bc1da46..93f5fe45cd6 100644 --- a/library/alloc/src/string.rs +++ b/library/alloc/src/string.rs @@ -48,7 +48,7 @@ use core::fmt; use core::hash; #[cfg(not(no_global_oom_handling))] use core::iter::FromIterator; -use core::iter::FusedIterator; +use core::iter::{from_fn, FusedIterator}; #[cfg(not(no_global_oom_handling))] use core::ops::Add; #[cfg(not(no_global_oom_handling))] @@ -1290,32 +1290,49 @@ impl String { { use core::str::pattern::Searcher; - let matches = { + let rejections = { let mut searcher = pat.into_searcher(self); - let mut matches = Vec::new(); - - while let Some(m) = searcher.next_match() { - matches.push(m); - } - - matches + // Per Searcher::next: + // + // A Match result needs to contain the whole matched pattern, + // however Reject results may be split up into arbitrary many + // adjacent fragments. Both ranges may have zero length. + // + // In practice the implementation of Searcher::next_match tends to + // be more efficient, so we use it here and do some work to invert + // matches into rejections since that's what we want to copy below. + let mut front = 0; + let rejections: Vec<_> = from_fn(|| { + let (start, end) = searcher.next_match()?; + let prev_front = front; + front = end; + Some((prev_front, start)) + }) + .collect(); + rejections.into_iter().chain(core::iter::once((front, self.len()))) }; - let len = self.len(); - let mut shrunk_by = 0; + let mut len = 0; + let ptr = self.vec.as_mut_ptr(); + + for (start, end) in rejections { + let count = end - start; + if start != len { + // SAFETY: per Searcher::next: + // + // The stream of Match and Reject values up to a Done will + // contain index ranges that are adjacent, non-overlapping, + // covering the whole haystack, and laying on utf8 + // boundaries. + unsafe { + ptr::copy(ptr.add(start), ptr.add(len), count); + } + } + len += count; + } - // SAFETY: start and end will be on utf8 byte boundaries per - // the Searcher docs unsafe { - for (start, end) in matches { - ptr::copy( - self.vec.as_mut_ptr().add(end - shrunk_by), - self.vec.as_mut_ptr().add(start - shrunk_by), - len - end, - ); - shrunk_by += end - start; - } - self.vec.set_len(len - shrunk_by); + self.vec.set_len(len); } } @@ -2474,6 +2491,9 @@ impl AsRef<[u8]> for String { #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] impl From<&str> for String { + /// Converts a `&str` into a [`String`]. + /// + /// The result is allocated on the heap. #[inline] fn from(s: &str) -> String { s.to_owned() @@ -2483,7 +2503,7 @@ impl From<&str> for String { #[cfg(not(no_global_oom_handling))] #[stable(feature = "from_mut_str_for_string", since = "1.44.0")] impl From<&mut str> for String { - /// Converts a `&mut str` into a `String`. + /// Converts a `&mut str` into a [`String`]. /// /// The result is allocated on the heap. #[inline] @@ -2495,6 +2515,9 @@ impl From<&mut str> for String { #[cfg(not(no_global_oom_handling))] #[stable(feature = "from_ref_string", since = "1.35.0")] impl From<&String> for String { + /// Converts a `&String` into a [`String`]. + /// + /// This clones `s` and returns the clone. #[inline] fn from(s: &String) -> String { s.clone() @@ -2505,7 +2528,7 @@ impl From<&String> for String { #[cfg(not(test))] #[stable(feature = "string_from_box", since = "1.18.0")] impl From<Box<str>> for String { - /// Converts the given boxed `str` slice to a `String`. + /// Converts the given boxed `str` slice to a [`String`]. /// It is notable that the `str` slice is owned. /// /// # Examples @@ -2527,7 +2550,7 @@ impl From<Box<str>> for String { #[cfg(not(no_global_oom_handling))] #[stable(feature = "box_from_str", since = "1.20.0")] impl From<String> for Box<str> { - /// Converts the given `String` to a boxed `str` slice that is owned. + /// Converts the given [`String`] to a boxed `str` slice that is owned. /// /// # Examples /// @@ -2548,6 +2571,22 @@ impl From<String> for Box<str> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "string_from_cow_str", since = "1.14.0")] impl<'a> From<Cow<'a, str>> for String { + /// Converts a clone-on-write string to an owned + /// instance of [`String`]. + /// + /// This extracts the owned string, + /// clones the string if it is not already owned. + /// + /// # Example + /// + /// ``` + /// # use std::borrow::Cow; + /// // If the string is not owned... + /// let cow: Cow<str> = Cow::Borrowed("eggplant"); + /// // It will allocate on the heap and copy the string. + /// let owned: String = String::from(cow); + /// assert_eq!(&owned[..], "eggplant"); + /// ``` fn from(s: Cow<'a, str>) -> String { s.into_owned() } @@ -2556,7 +2595,7 @@ impl<'a> From<Cow<'a, str>> for String { #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] impl<'a> From<&'a str> for Cow<'a, str> { - /// Converts a string slice into a Borrowed variant. + /// Converts a string slice into a [`Borrowed`] variant. /// No heap allocation is performed, and the string /// is not copied. /// @@ -2566,6 +2605,8 @@ impl<'a> From<&'a str> for Cow<'a, str> { /// # use std::borrow::Cow; /// assert_eq!(Cow::from("eggplant"), Cow::Borrowed("eggplant")); /// ``` + /// + /// [`Borrowed`]: crate::borrow::Cow::Borrowed #[inline] fn from(s: &'a str) -> Cow<'a, str> { Cow::Borrowed(s) @@ -2575,7 +2616,7 @@ impl<'a> From<&'a str> for Cow<'a, str> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] impl<'a> From<String> for Cow<'a, str> { - /// Converts a String into an Owned variant. + /// Converts a [`String`] into an [`Owned`] variant. /// No heap allocation is performed, and the string /// is not copied. /// @@ -2587,6 +2628,8 @@ impl<'a> From<String> for Cow<'a, str> { /// let s2 = "eggplant".to_string(); /// assert_eq!(Cow::from(s), Cow::<'static, str>::Owned(s2)); /// ``` + /// + /// [`Owned`]: crate::borrow::Cow::Owned #[inline] fn from(s: String) -> Cow<'a, str> { Cow::Owned(s) @@ -2596,7 +2639,7 @@ impl<'a> From<String> for Cow<'a, str> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "cow_from_string_ref", since = "1.28.0")] impl<'a> From<&'a String> for Cow<'a, str> { - /// Converts a String reference into a Borrowed variant. + /// Converts a [`String`] reference into a [`Borrowed`] variant. /// No heap allocation is performed, and the string /// is not copied. /// @@ -2607,6 +2650,8 @@ impl<'a> From<&'a String> for Cow<'a, str> { /// let s = "eggplant".to_string(); /// assert_eq!(Cow::from(&s), Cow::Borrowed("eggplant")); /// ``` + /// + /// [`Borrowed`]: crate::borrow::Cow::Borrowed #[inline] fn from(s: &'a String) -> Cow<'a, str> { Cow::Borrowed(s.as_str()) @@ -2639,7 +2684,7 @@ impl<'a> FromIterator<String> for Cow<'a, str> { #[stable(feature = "from_string_for_vec_u8", since = "1.14.0")] impl From<String> for Vec<u8> { - /// Converts the given `String` to a vector `Vec` that holds values of type `u8`. + /// Converts the given [`String`] to a vector [`Vec`] that holds values of type [`u8`]. /// /// # Examples /// @@ -2785,6 +2830,14 @@ impl FusedIterator for Drain<'_> {} #[cfg(not(no_global_oom_handling))] #[stable(feature = "from_char_for_string", since = "1.46.0")] impl From<char> for String { + /// Allocates an owned [`String`] from a single character. + /// + /// # Example + /// ```rust + /// let c: char = 'a'; + /// let s: String = String::from(c); + /// assert_eq!("a", &s[..]); + /// ``` #[inline] fn from(c: char) -> Self { c.to_string() diff --git a/library/alloc/src/vec/cow.rs b/library/alloc/src/vec/cow.rs index 73d15d30647..64943a273c9 100644 --- a/library/alloc/src/vec/cow.rs +++ b/library/alloc/src/vec/cow.rs @@ -5,6 +5,12 @@ use super::Vec; #[stable(feature = "cow_from_vec", since = "1.8.0")] impl<'a, T: Clone> From<&'a [T]> for Cow<'a, [T]> { + /// Creates a [`Borrowed`] variant of [`Cow`] + /// from a slice. + /// + /// This conversion does not allocate or clone the data. + /// + /// [`Borrowed`]: crate::borrow::Cow::Borrowed fn from(s: &'a [T]) -> Cow<'a, [T]> { Cow::Borrowed(s) } @@ -12,6 +18,12 @@ impl<'a, T: Clone> From<&'a [T]> for Cow<'a, [T]> { #[stable(feature = "cow_from_vec", since = "1.8.0")] impl<'a, T: Clone> From<Vec<T>> for Cow<'a, [T]> { + /// Creates an [`Owned`] variant of [`Cow`] + /// from an owned instance of [`Vec`]. + /// + /// This conversion does not allocate or clone the data. + /// + /// [`Owned`]: crate::borrow::Cow::Owned fn from(v: Vec<T>) -> Cow<'a, [T]> { Cow::Owned(v) } @@ -19,6 +31,12 @@ impl<'a, T: Clone> From<Vec<T>> for Cow<'a, [T]> { #[stable(feature = "cow_from_vec_ref", since = "1.28.0")] impl<'a, T: Clone> From<&'a Vec<T>> for Cow<'a, [T]> { + /// Creates a [`Borrowed`] variant of [`Cow`] + /// from a reference to [`Vec`]. + /// + /// This conversion does not allocate or clone the data. + /// + /// [`Borrowed`]: crate::borrow::Cow::Borrowed fn from(v: &'a Vec<T>) -> Cow<'a, [T]> { Cow::Borrowed(v.as_slice()) } diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 105c60e7bf0..4a1d564e2ab 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -921,7 +921,7 @@ impl<T, A: Allocator> Vec<T, A> { /// /// ``` /// let mut vec = Vec::with_capacity(10); - /// vec.extend([1, 2, 3].iter().cloned()); + /// vec.extend([1, 2, 3]); /// assert_eq!(vec.capacity(), 10); /// vec.shrink_to_fit(); /// assert!(vec.capacity() >= 3); @@ -950,7 +950,7 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` /// #![feature(shrink_to)] /// let mut vec = Vec::with_capacity(10); - /// vec.extend([1, 2, 3].iter().cloned()); + /// vec.extend([1, 2, 3]); /// assert_eq!(vec.capacity(), 10); /// vec.shrink_to(4); /// assert!(vec.capacity() >= 4); @@ -984,7 +984,7 @@ impl<T, A: Allocator> Vec<T, A> { /// /// ``` /// let mut vec = Vec::with_capacity(10); - /// vec.extend([1, 2, 3].iter().cloned()); + /// vec.extend([1, 2, 3]); /// /// assert_eq!(vec.capacity(), 10); /// let slice = vec.into_boxed_slice(); @@ -2586,7 +2586,7 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` /// let mut v = vec![1, 2, 3]; /// let new = [7, 8]; - /// let u: Vec<_> = v.splice(..2, new.iter().cloned()).collect(); + /// let u: Vec<_> = v.splice(..2, new).collect(); /// assert_eq!(v, &[7, 8, 3]); /// assert_eq!(u, &[1, 2]); /// ``` diff --git a/library/alloc/src/vec/spec_from_iter.rs b/library/alloc/src/vec/spec_from_iter.rs index bbfcc68daef..efa6868473e 100644 --- a/library/alloc/src/vec/spec_from_iter.rs +++ b/library/alloc/src/vec/spec_from_iter.rs @@ -1,6 +1,5 @@ use core::mem::ManuallyDrop; use core::ptr::{self}; -use core::slice::{self}; use super::{IntoIter, SpecExtend, SpecFromIterNested, Vec}; @@ -19,9 +18,7 @@ use super::{IntoIter, SpecExtend, SpecFromIterNested, Vec}; /// |where I: | | |where I: | /// | Iterator (default)----------+ | | Iterator (default) | /// | vec::IntoIter | | | TrustedLen | -/// | SourceIterMarker---fallback-+ | | | -/// | slice::Iter | | | -/// | Iterator<Item = &Clone> | +---------------------+ +/// | SourceIterMarker---fallback-+ | +---------------------+ /// +---------------------------------+ /// ``` pub(super) trait SpecFromIter<T, I> { @@ -65,33 +62,3 @@ impl<T> SpecFromIter<T, IntoIter<T>> for Vec<T> { vec } } - -impl<'a, T: 'a, I> SpecFromIter<&'a T, I> for Vec<T> -where - I: Iterator<Item = &'a T>, - T: Clone, -{ - default fn from_iter(iterator: I) -> Self { - SpecFromIter::from_iter(iterator.cloned()) - } -} - -// This utilizes `iterator.as_slice().to_vec()` since spec_extend -// must take more steps to reason about the final capacity + length -// and thus do more work. `to_vec()` directly allocates the correct amount -// and fills it exactly. -impl<'a, T: 'a + Clone> SpecFromIter<&'a T, slice::Iter<'a, T>> for Vec<T> { - #[cfg(not(test))] - fn from_iter(iterator: slice::Iter<'a, T>) -> Self { - iterator.as_slice().to_vec() - } - - // HACK(japaric): with cfg(test) the inherent `[T]::to_vec` method, which is - // required for this method definition, is not available. Instead use the - // `slice::to_vec` function which is only available with cfg(test) - // NB see the slice::hack module in slice.rs for more information - #[cfg(test)] - fn from_iter(iterator: slice::Iter<'a, T>) -> Self { - crate::slice::to_vec(iterator.as_slice(), crate::alloc::Global) - } -} diff --git a/library/alloc/src/vec/splice.rs b/library/alloc/src/vec/splice.rs index 0a27b5b62ec..bad765c7f51 100644 --- a/library/alloc/src/vec/splice.rs +++ b/library/alloc/src/vec/splice.rs @@ -14,7 +14,7 @@ use super::{Drain, Vec}; /// ``` /// let mut v = vec![0, 1, 2]; /// let new = [7, 8]; -/// let iter: std::vec::Splice<_> = v.splice(1.., new.iter().cloned()); +/// let iter: std::vec::Splice<_> = v.splice(1.., new); /// ``` #[derive(Debug)] #[stable(feature = "vec_splice", since = "1.21.0")] diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs index 25a83a0b014..3143afa269d 100644 --- a/library/alloc/tests/lib.rs +++ b/library/alloc/tests/lib.rs @@ -17,7 +17,6 @@ #![feature(binary_heap_as_slice)] #![feature(inplace_iteration)] #![feature(iter_map_while)] -#![feature(vecdeque_binary_search)] #![feature(slice_group_by)] #![feature(slice_partition_dedup)] #![feature(vec_spare_capacity)] diff --git a/library/alloc/tests/vec.rs b/library/alloc/tests/vec.rs index 36c81b49709..c203cdafecb 100644 --- a/library/alloc/tests/vec.rs +++ b/library/alloc/tests/vec.rs @@ -793,7 +793,7 @@ fn test_drain_leak() { fn test_splice() { let mut v = vec![1, 2, 3, 4, 5]; let a = [10, 11, 12]; - v.splice(2..4, a.iter().cloned()); + v.splice(2..4, a); assert_eq!(v, &[1, 2, 10, 11, 12, 5]); v.splice(1..3, Some(20)); assert_eq!(v, &[1, 20, 11, 12, 5]); @@ -803,7 +803,7 @@ fn test_splice() { fn test_splice_inclusive_range() { let mut v = vec![1, 2, 3, 4, 5]; let a = [10, 11, 12]; - let t1: Vec<_> = v.splice(2..=3, a.iter().cloned()).collect(); + let t1: Vec<_> = v.splice(2..=3, a).collect(); assert_eq!(v, &[1, 2, 10, 11, 12, 5]); assert_eq!(t1, &[3, 4]); let t2: Vec<_> = v.splice(1..=2, Some(20)).collect(); @@ -816,7 +816,7 @@ fn test_splice_inclusive_range() { fn test_splice_out_of_bounds() { let mut v = vec![1, 2, 3, 4, 5]; let a = [10, 11, 12]; - v.splice(5..6, a.iter().cloned()); + v.splice(5..6, a); } #[test] @@ -824,7 +824,7 @@ fn test_splice_out_of_bounds() { fn test_splice_inclusive_out_of_bounds() { let mut v = vec![1, 2, 3, 4, 5]; let a = [10, 11, 12]; - v.splice(5..=5, a.iter().cloned()); + v.splice(5..=5, a); } #[test] @@ -848,7 +848,7 @@ fn test_splice_unbounded() { fn test_splice_forget() { let mut v = vec![1, 2, 3, 4, 5]; let a = [10, 11, 12]; - std::mem::forget(v.splice(2..4, a.iter().cloned())); + std::mem::forget(v.splice(2..4, a)); assert_eq!(v, &[1, 2]); } diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index e25d006d213..37af3557fdd 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -416,7 +416,7 @@ impl<T, const N: usize> [T; N] { { // SAFETY: we know for certain that this iterator will yield exactly `N` // items. - unsafe { collect_into_array_unchecked(&mut IntoIter::new(self).map(f)) } + unsafe { collect_into_array_unchecked(&mut IntoIterator::into_iter(self).map(f)) } } /// 'Zips up' two arrays into a single array of pairs. @@ -437,7 +437,7 @@ impl<T, const N: usize> [T; N] { /// ``` #[unstable(feature = "array_zip", issue = "80094")] pub fn zip<U>(self, rhs: [U; N]) -> [(T, U); N] { - let mut iter = IntoIter::new(self).zip(IntoIter::new(rhs)); + let mut iter = IntoIterator::into_iter(self).zip(rhs); // SAFETY: we know for certain that this iterator will yield exactly `N` // items. diff --git a/library/core/src/char/methods.rs b/library/core/src/char/methods.rs index dcab2cd2d9d..2da3d6a72fb 100644 --- a/library/core/src/char/methods.rs +++ b/library/core/src/char/methods.rs @@ -58,7 +58,7 @@ impl char { /// ]; /// /// assert_eq!( - /// decode_utf16(v.iter().cloned()) + /// decode_utf16(v) /// .map(|r| r.map_err(|e| e.unpaired_surrogate())) /// .collect::<Vec<_>>(), /// vec![ @@ -82,7 +82,7 @@ impl char { /// ]; /// /// assert_eq!( - /// decode_utf16(v.iter().cloned()) + /// decode_utf16(v) /// .map(|r| r.unwrap_or(REPLACEMENT_CHARACTER)) /// .collect::<String>(), /// "𝄞mus�ic�" diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 0034de9ad1b..70ab27cbfac 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -1742,157 +1742,6 @@ extern "rust-intrinsic" { /// Allocate at compile time. Should not be called at runtime. #[rustc_const_unstable(feature = "const_heap", issue = "79597")] pub fn const_allocate(size: usize, align: usize) -> *mut u8; - - /// Copies `count * size_of::<T>()` bytes from `src` to `dst`. The source - /// and destination must *not* overlap. - /// - /// For regions of memory which might overlap, use [`copy`] instead. - /// - /// `copy_nonoverlapping` is semantically equivalent to C's [`memcpy`], but - /// with the argument order swapped. - /// - /// [`memcpy`]: https://en.cppreference.com/w/c/string/byte/memcpy - /// - /// # Safety - /// - /// Behavior is undefined if any of the following conditions are violated: - /// - /// * `src` must be [valid] for reads of `count * size_of::<T>()` bytes. - /// - /// * `dst` must be [valid] for writes of `count * size_of::<T>()` bytes. - /// - /// * Both `src` and `dst` must be properly aligned. - /// - /// * The region of memory beginning at `src` with a size of `count * - /// size_of::<T>()` bytes must *not* overlap with the region of memory - /// beginning at `dst` with the same size. - /// - /// Like [`read`], `copy_nonoverlapping` creates a bitwise copy of `T`, regardless of - /// whether `T` is [`Copy`]. If `T` is not [`Copy`], using *both* the values - /// in the region beginning at `*src` and the region beginning at `*dst` can - /// [violate memory safety][read-ownership]. - /// - /// Note that even if the effectively copied size (`count * size_of::<T>()`) is - /// `0`, the pointers must be non-null and properly aligned. - /// - /// [`read`]: crate::ptr::read - /// [read-ownership]: crate::ptr::read#ownership-of-the-returned-value - /// [valid]: crate::ptr#safety - /// - /// # Examples - /// - /// Manually implement [`Vec::append`]: - /// - /// ``` - /// use std::ptr; - /// - /// /// Moves all the elements of `src` into `dst`, leaving `src` empty. - /// fn append<T>(dst: &mut Vec<T>, src: &mut Vec<T>) { - /// let src_len = src.len(); - /// let dst_len = dst.len(); - /// - /// // Ensure that `dst` has enough capacity to hold all of `src`. - /// dst.reserve(src_len); - /// - /// unsafe { - /// // The call to offset is always safe because `Vec` will never - /// // allocate more than `isize::MAX` bytes. - /// let dst_ptr = dst.as_mut_ptr().offset(dst_len as isize); - /// let src_ptr = src.as_ptr(); - /// - /// // Truncate `src` without dropping its contents. We do this first, - /// // to avoid problems in case something further down panics. - /// src.set_len(0); - /// - /// // The two regions cannot overlap because mutable references do - /// // not alias, and two different vectors cannot own the same - /// // memory. - /// ptr::copy_nonoverlapping(src_ptr, dst_ptr, src_len); - /// - /// // Notify `dst` that it now holds the contents of `src`. - /// dst.set_len(dst_len + src_len); - /// } - /// } - /// - /// let mut a = vec!['r']; - /// let mut b = vec!['u', 's', 't']; - /// - /// append(&mut a, &mut b); - /// - /// assert_eq!(a, &['r', 'u', 's', 't']); - /// assert!(b.is_empty()); - /// ``` - /// - /// [`Vec::append`]: ../../std/vec/struct.Vec.html#method.append - #[doc(alias = "memcpy")] - #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] - pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); - - /// Copies `count * size_of::<T>()` bytes from `src` to `dst`. The source - /// and destination may overlap. - /// - /// If the source and destination will *never* overlap, - /// [`copy_nonoverlapping`] can be used instead. - /// - /// `copy` is semantically equivalent to C's [`memmove`], but with the argument - /// order swapped. Copying takes place as if the bytes were copied from `src` - /// to a temporary array and then copied from the array to `dst`. - /// - /// [`memmove`]: https://en.cppreference.com/w/c/string/byte/memmove - /// - /// # Safety - /// - /// Behavior is undefined if any of the following conditions are violated: - /// - /// * `src` must be [valid] for reads of `count * size_of::<T>()` bytes. - /// - /// * `dst` must be [valid] for writes of `count * size_of::<T>()` bytes. - /// - /// * Both `src` and `dst` must be properly aligned. - /// - /// Like [`read`], `copy` creates a bitwise copy of `T`, regardless of - /// whether `T` is [`Copy`]. If `T` is not [`Copy`], using both the values - /// in the region beginning at `*src` and the region beginning at `*dst` can - /// [violate memory safety][read-ownership]. - /// - /// Note that even if the effectively copied size (`count * size_of::<T>()`) is - /// `0`, the pointers must be non-null and properly aligned. - /// - /// [`read`]: crate::ptr::read - /// [read-ownership]: crate::ptr::read#ownership-of-the-returned-value - /// [valid]: crate::ptr#safety - /// - /// # Examples - /// - /// Efficiently create a Rust vector from an unsafe buffer: - /// - /// ``` - /// use std::ptr; - /// - /// /// # Safety - /// /// - /// /// * `ptr` must be correctly aligned for its type and non-zero. - /// /// * `ptr` must be valid for reads of `elts` contiguous elements of type `T`. - /// /// * Those elements must not be used after calling this function unless `T: Copy`. - /// # #[allow(dead_code)] - /// unsafe fn from_buf_raw<T>(ptr: *const T, elts: usize) -> Vec<T> { - /// let mut dst = Vec::with_capacity(elts); - /// - /// // SAFETY: Our precondition ensures the source is aligned and valid, - /// // and `Vec::with_capacity` ensures that we have usable space to write them. - /// ptr::copy(ptr, dst.as_mut_ptr(), elts); - /// - /// // SAFETY: We created it with this much capacity earlier, - /// // and the previous `copy` has initialized these elements. - /// dst.set_len(elts); - /// dst - /// } - /// ``` - #[doc(alias = "memmove")] - #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] - pub fn copy<T>(src: *const T, dst: *mut T, count: usize); } // Some functions are defined here because they accidentally got made @@ -1906,6 +1755,192 @@ pub(crate) fn is_aligned_and_not_null<T>(ptr: *const T) -> bool { !ptr.is_null() && ptr as usize % mem::align_of::<T>() == 0 } +/// Copies `count * size_of::<T>()` bytes from `src` to `dst`. The source +/// and destination must *not* overlap. +/// +/// For regions of memory which might overlap, use [`copy`] instead. +/// +/// `copy_nonoverlapping` is semantically equivalent to C's [`memcpy`], but +/// with the argument order swapped. +/// +/// [`memcpy`]: https://en.cppreference.com/w/c/string/byte/memcpy +/// +/// # Safety +/// +/// Behavior is undefined if any of the following conditions are violated: +/// +/// * `src` must be [valid] for reads of `count * size_of::<T>()` bytes. +/// +/// * `dst` must be [valid] for writes of `count * size_of::<T>()` bytes. +/// +/// * Both `src` and `dst` must be properly aligned. +/// +/// * The region of memory beginning at `src` with a size of `count * +/// size_of::<T>()` bytes must *not* overlap with the region of memory +/// beginning at `dst` with the same size. +/// +/// Like [`read`], `copy_nonoverlapping` creates a bitwise copy of `T`, regardless of +/// whether `T` is [`Copy`]. If `T` is not [`Copy`], using *both* the values +/// in the region beginning at `*src` and the region beginning at `*dst` can +/// [violate memory safety][read-ownership]. +/// +/// Note that even if the effectively copied size (`count * size_of::<T>()`) is +/// `0`, the pointers must be non-null and properly aligned. +/// +/// [`read`]: crate::ptr::read +/// [read-ownership]: crate::ptr::read#ownership-of-the-returned-value +/// [valid]: crate::ptr#safety +/// +/// # Examples +/// +/// Manually implement [`Vec::append`]: +/// +/// ``` +/// use std::ptr; +/// +/// /// Moves all the elements of `src` into `dst`, leaving `src` empty. +/// fn append<T>(dst: &mut Vec<T>, src: &mut Vec<T>) { +/// let src_len = src.len(); +/// let dst_len = dst.len(); +/// +/// // Ensure that `dst` has enough capacity to hold all of `src`. +/// dst.reserve(src_len); +/// +/// unsafe { +/// // The call to offset is always safe because `Vec` will never +/// // allocate more than `isize::MAX` bytes. +/// let dst_ptr = dst.as_mut_ptr().offset(dst_len as isize); +/// let src_ptr = src.as_ptr(); +/// +/// // Truncate `src` without dropping its contents. We do this first, +/// // to avoid problems in case something further down panics. +/// src.set_len(0); +/// +/// // The two regions cannot overlap because mutable references do +/// // not alias, and two different vectors cannot own the same +/// // memory. +/// ptr::copy_nonoverlapping(src_ptr, dst_ptr, src_len); +/// +/// // Notify `dst` that it now holds the contents of `src`. +/// dst.set_len(dst_len + src_len); +/// } +/// } +/// +/// let mut a = vec!['r']; +/// let mut b = vec!['u', 's', 't']; +/// +/// append(&mut a, &mut b); +/// +/// assert_eq!(a, &['r', 'u', 's', 't']); +/// assert!(b.is_empty()); +/// ``` +/// +/// [`Vec::append`]: ../../std/vec/struct.Vec.html#method.append +#[doc(alias = "memcpy")] +#[stable(feature = "rust1", since = "1.0.0")] +#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] +#[inline] +pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) { + extern "rust-intrinsic" { + #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] + pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); + } + + // FIXME: Perform these checks only at run time + /*if cfg!(debug_assertions) + && !(is_aligned_and_not_null(src) + && is_aligned_and_not_null(dst) + && is_nonoverlapping(src, dst, count)) + { + // Not panicking to keep codegen impact smaller. + abort(); + }*/ + + // SAFETY: the safety contract for `copy_nonoverlapping` must be + // upheld by the caller. + unsafe { copy_nonoverlapping(src, dst, count) } +} + +/// Copies `count * size_of::<T>()` bytes from `src` to `dst`. The source +/// and destination may overlap. +/// +/// If the source and destination will *never* overlap, +/// [`copy_nonoverlapping`] can be used instead. +/// +/// `copy` is semantically equivalent to C's [`memmove`], but with the argument +/// order swapped. Copying takes place as if the bytes were copied from `src` +/// to a temporary array and then copied from the array to `dst`. +/// +/// [`memmove`]: https://en.cppreference.com/w/c/string/byte/memmove +/// +/// # Safety +/// +/// Behavior is undefined if any of the following conditions are violated: +/// +/// * `src` must be [valid] for reads of `count * size_of::<T>()` bytes. +/// +/// * `dst` must be [valid] for writes of `count * size_of::<T>()` bytes. +/// +/// * Both `src` and `dst` must be properly aligned. +/// +/// Like [`read`], `copy` creates a bitwise copy of `T`, regardless of +/// whether `T` is [`Copy`]. If `T` is not [`Copy`], using both the values +/// in the region beginning at `*src` and the region beginning at `*dst` can +/// [violate memory safety][read-ownership]. +/// +/// Note that even if the effectively copied size (`count * size_of::<T>()`) is +/// `0`, the pointers must be non-null and properly aligned. +/// +/// [`read`]: crate::ptr::read +/// [read-ownership]: crate::ptr::read#ownership-of-the-returned-value +/// [valid]: crate::ptr#safety +/// +/// # Examples +/// +/// Efficiently create a Rust vector from an unsafe buffer: +/// +/// ``` +/// use std::ptr; +/// +/// /// # Safety +/// /// +/// /// * `ptr` must be correctly aligned for its type and non-zero. +/// /// * `ptr` must be valid for reads of `elts` contiguous elements of type `T`. +/// /// * Those elements must not be used after calling this function unless `T: Copy`. +/// # #[allow(dead_code)] +/// unsafe fn from_buf_raw<T>(ptr: *const T, elts: usize) -> Vec<T> { +/// let mut dst = Vec::with_capacity(elts); +/// +/// // SAFETY: Our precondition ensures the source is aligned and valid, +/// // and `Vec::with_capacity` ensures that we have usable space to write them. +/// ptr::copy(ptr, dst.as_mut_ptr(), elts); +/// +/// // SAFETY: We created it with this much capacity earlier, +/// // and the previous `copy` has initialized these elements. +/// dst.set_len(elts); +/// dst +/// } +/// ``` +#[doc(alias = "memmove")] +#[stable(feature = "rust1", since = "1.0.0")] +#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] +#[inline] +pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) { + extern "rust-intrinsic" { + #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] + fn copy<T>(src: *const T, dst: *mut T, count: usize); + } + + // FIXME: Perform these checks only at run time + /*if cfg!(debug_assertions) && !(is_aligned_and_not_null(src) && is_aligned_and_not_null(dst)) { + // Not panicking to keep codegen impact smaller. + abort(); + }*/ + + // SAFETY: the safety contract for `copy` must be upheld by the caller. + unsafe { copy(src, dst, count) } +} + /// Sets `count * size_of::<T>()` bytes of memory starting at `dst` to /// `val`. /// diff --git a/library/core/src/iter/adapters/take.rs b/library/core/src/iter/adapters/take.rs index 92f82ae2325..beda8c32c6b 100644 --- a/library/core/src/iter/adapters/take.rs +++ b/library/core/src/iter/adapters/take.rs @@ -1,8 +1,5 @@ use crate::cmp; -use crate::iter::{ - adapters::zip::try_get_unchecked, adapters::SourceIter, FusedIterator, InPlaceIterable, - TrustedLen, TrustedRandomAccess, -}; +use crate::iter::{adapters::SourceIter, FusedIterator, InPlaceIterable, TrustedLen}; use crate::ops::{ControlFlow, Try}; /// An iterator that only iterates over the first `n` iterations of `iter`. @@ -114,15 +111,6 @@ where self.try_fold(init, ok(fold)).unwrap() } - - unsafe fn __iterator_get_unchecked(&mut self, idx: usize) -> <I as Iterator>::Item - where - Self: TrustedRandomAccess, - { - // SAFETY: the caller must uphold the contract for - // `Iterator::__iterator_get_unchecked`. - unsafe { try_get_unchecked(&mut self.iter, idx) } - } } #[unstable(issue = "none", feature = "inplace_iteration")] @@ -219,12 +207,3 @@ impl<I> FusedIterator for Take<I> where I: FusedIterator {} #[unstable(feature = "trusted_len", issue = "37572")] unsafe impl<I: TrustedLen> TrustedLen for Take<I> {} - -#[doc(hidden)] -#[unstable(feature = "trusted_random_access", issue = "none")] -unsafe impl<I> TrustedRandomAccess for Take<I> -where - I: TrustedRandomAccess, -{ - const MAY_HAVE_SIDE_EFFECT: bool = I::MAY_HAVE_SIDE_EFFECT; -} diff --git a/library/core/src/iter/adapters/zip.rs b/library/core/src/iter/adapters/zip.rs index 2f8f504d8fc..c95324c80ba 100644 --- a/library/core/src/iter/adapters/zip.rs +++ b/library/core/src/iter/adapters/zip.rs @@ -434,7 +434,7 @@ impl<A: Debug + TrustedRandomAccess, B: Debug + TrustedRandomAccess> ZipFmt<A, B /// called on `self`: /// * `std::clone::Clone::clone()` /// * `std::iter::Iterator::size_hint()` -/// * `std::iter::Iterator::next_back()` +/// * `std::iter::DoubleEndedIterator::next_back()` /// * `std::iter::Iterator::__iterator_get_unchecked()` /// * `std::iter::TrustedRandomAccess::size()` /// diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index a023edaca9e..d4e4c5b0d3e 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -51,7 +51,6 @@ #![cfg(not(test))] #![stable(feature = "core", since = "1.6.0")] #![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", html_playground_url = "https://play.rust-lang.org/", issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/", test(no_crate_inject, attr(deny(warnings))), @@ -160,7 +159,6 @@ #![feature(const_fn_transmute)] #![feature(abi_unadjusted)] #![feature(adx_target_feature)] -#![feature(external_doc)] #![feature(associated_type_bounds)] #![feature(const_caller_location)] #![feature(slice_ptr_get)] diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs index 5bf47c3951d..c6750c52d16 100644 --- a/library/core/src/mem/mod.rs +++ b/library/core/src/mem/mod.rs @@ -682,8 +682,7 @@ pub unsafe fn uninitialized<T>() -> T { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] -#[rustc_const_unstable(feature = "const_swap", issue = "83163")] -pub const fn swap<T>(x: &mut T, y: &mut T) { +pub fn swap<T>(x: &mut T, y: &mut T) { // SAFETY: the raw pointers have been created from safe mutable references satisfying all the // constraints on `ptr::swap_nonoverlapping_one` unsafe { @@ -813,8 +812,7 @@ pub fn take<T: Default>(dest: &mut T) -> T { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[must_use = "if you don't need the old value, you can just assign the new value directly"] -#[rustc_const_unstable(feature = "const_replace", issue = "83164")] -pub const fn replace<T>(dest: &mut T, src: T) -> T { +pub fn replace<T>(dest: &mut T, src: T) -> T { // SAFETY: We read from `dest` but directly write `src` into it afterwards, // such that the old value is not duplicated. Nothing is dropped and // nothing here can panic. diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 77132cddca2..c47a2e8b05c 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -727,8 +727,8 @@ impl f32 { /// /// This is currently identical to `transmute::<f32, u32>(self)` on all platforms. /// - /// See `from_bits` for some discussion of the portability of this operation - /// (there are almost no issues). + /// See [`from_bits`](Self::from_bits) for some discussion of the + /// portability of this operation (there are almost no issues). /// /// Note that this function is distinct from `as` casting, which attempts to /// preserve the *numeric* value, and not the bitwise value. diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index 4c3f1fd16a0..cfcc08b9add 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -741,8 +741,8 @@ impl f64 { /// /// This is currently identical to `transmute::<f64, u64>(self)` on all platforms. /// - /// See `from_bits` for some discussion of the portability of this operation - /// (there are almost no issues). + /// See [`from_bits`](Self::from_bits) for some discussion of the + /// portability of this operation (there are almost no issues). /// /// Note that this function is distinct from `as` casting, which attempts to /// preserve the *numeric* value, and not the bitwise value. diff --git a/library/core/src/ops/range.rs b/library/core/src/ops/range.rs index dbeb3912130..bb948376bc7 100644 --- a/library/core/src/ops/range.rs +++ b/library/core/src/ops/range.rs @@ -674,10 +674,10 @@ pub enum Bound<T> { Unbounded, } -#[unstable(feature = "bound_as_ref", issue = "80996")] impl<T> Bound<T> { /// Converts from `&Bound<T>` to `Bound<&T>`. #[inline] + #[unstable(feature = "bound_as_ref", issue = "80996")] pub fn as_ref(&self) -> Bound<&T> { match *self { Included(ref x) => Included(x), @@ -686,8 +686,9 @@ impl<T> Bound<T> { } } - /// Converts from `&mut Bound<T>` to `Bound<&T>`. + /// Converts from `&mut Bound<T>` to `Bound<&mut T>`. #[inline] + #[unstable(feature = "bound_as_ref", issue = "80996")] pub fn as_mut(&mut self) -> Bound<&mut T> { match *self { Included(ref mut x) => Included(x), @@ -695,6 +696,39 @@ impl<T> Bound<T> { Unbounded => Unbounded, } } + + /// Maps a `Bound<T>` to a `Bound<U>` by applying a function to the contained value (including + /// both `Included` and `Excluded`), returning a `Bound` of the same kind. + /// + /// # Examples + /// + /// ``` + /// #![feature(bound_map)] + /// use std::ops::Bound::*; + /// + /// let bound_string = Included("Hello, World!"); + /// + /// assert_eq!(bound_string.map(|s| s.len()), Included(13)); + /// ``` + /// + /// ``` + /// #![feature(bound_map)] + /// use std::ops::Bound; + /// use Bound::*; + /// + /// let unbounded_string: Bound<String> = Unbounded; + /// + /// assert_eq!(unbounded_string.map(|s| s.len()), Unbounded); + /// ``` + #[inline] + #[unstable(feature = "bound_map", issue = "86026")] + pub fn map<U, F: FnOnce(T) -> U>(self, f: F) -> Bound<U> { + match self { + Unbounded => Unbounded, + Included(x) => Included(f(x)), + Excluded(x) => Excluded(f(x)), + } + } } impl<T: Clone> Bound<&T> { diff --git a/library/core/src/prelude/mod.rs b/library/core/src/prelude/mod.rs index 8f57db49496..79753c1fb66 100644 --- a/library/core/src/prelude/mod.rs +++ b/library/core/src/prelude/mod.rs @@ -11,9 +11,9 @@ pub mod v1; /// The 2015 version of the core prelude. /// /// See the [module-level documentation](self) for more. -#[unstable(feature = "prelude_2015", issue = "none")] +#[unstable(feature = "prelude_2015", issue = "85684")] pub mod rust_2015 { - #[unstable(feature = "prelude_2015", issue = "none")] + #[unstable(feature = "prelude_2015", issue = "85684")] #[doc(no_inline)] pub use super::v1::*; } @@ -21,9 +21,9 @@ pub mod rust_2015 { /// The 2018 version of the core prelude. /// /// See the [module-level documentation](self) for more. -#[unstable(feature = "prelude_2018", issue = "none")] +#[unstable(feature = "prelude_2018", issue = "85684")] pub mod rust_2018 { - #[unstable(feature = "prelude_2018", issue = "none")] + #[unstable(feature = "prelude_2018", issue = "85684")] #[doc(no_inline)] pub use super::v1::*; } @@ -31,11 +31,17 @@ pub mod rust_2018 { /// The 2021 version of the core prelude. /// /// See the [module-level documentation](self) for more. -#[unstable(feature = "prelude_2021", issue = "none")] +#[unstable(feature = "prelude_2021", issue = "85684")] pub mod rust_2021 { - #[unstable(feature = "prelude_2021", issue = "none")] + #[unstable(feature = "prelude_2021", issue = "85684")] #[doc(no_inline)] pub use super::v1::*; - // FIXME: Add more things. + #[unstable(feature = "prelude_2021", issue = "85684")] + #[doc(no_inline)] + pub use crate::iter::FromIterator; + + #[unstable(feature = "prelude_2021", issue = "85684")] + #[doc(no_inline)] + pub use crate::convert::{TryFrom, TryInto}; } diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 214d7c8bc15..6a6cee0911f 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -430,8 +430,7 @@ pub const unsafe fn swap_nonoverlapping<T>(x: *mut T, y: *mut T, count: usize) { } #[inline] -#[rustc_const_unstable(feature = "const_swap", issue = "83163")] -pub(crate) const unsafe fn swap_nonoverlapping_one<T>(x: *mut T, y: *mut T) { +pub(crate) unsafe fn swap_nonoverlapping_one<T>(x: *mut T, y: *mut T) { // NOTE(eddyb) SPIR-V's Logical addressing model doesn't allow for arbitrary // reinterpretation of values as (chunkable) byte arrays, and the loop in the // block optimization in `swap_nonoverlapping_bytes` is hard to rewrite back @@ -564,8 +563,7 @@ const unsafe fn swap_nonoverlapping_bytes(x: *mut u8, y: *mut u8, len: usize) { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] -#[rustc_const_unstable(feature = "const_replace", issue = "83164")] -pub const unsafe fn replace<T>(dst: *mut T, mut src: T) -> T { +pub unsafe fn replace<T>(dst: *mut T, mut src: T) -> T { // SAFETY: the caller must guarantee that `dst` is valid to be // cast to a mutable reference (valid for writes, aligned, initialized), // and cannot overlap `src` since `dst` must point to a distinct @@ -871,14 +869,18 @@ pub const unsafe fn read_unaligned<T>(src: *const T) -> T { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] -#[rustc_const_unstable(feature = "const_ptr_write", issue = "none")] -pub const unsafe fn write<T>(dst: *mut T, src: T) { +pub unsafe fn write<T>(dst: *mut T, src: T) { + // We are calling the intrinsics directly to avoid function calls in the generated code + // as `intrinsics::copy_nonoverlapping` is a wrapper function. + extern "rust-intrinsic" { + fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); + } + // SAFETY: the caller must guarantee that `dst` is valid for writes. // `dst` cannot overlap `src` because the caller has mutable access // to `dst` while `src` is owned by this function. unsafe { copy_nonoverlapping(&src as *const T, dst, 1); - // We are calling the intrinsic directly to avoid function calls in the generated code. intrinsics::forget(src); } } diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index 750279ac0db..a6424041542 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -1002,9 +1002,8 @@ impl<T: ?Sized> *mut T { /// /// [`ptr::write`]: crate::ptr::write() #[stable(feature = "pointer_methods", since = "1.26.0")] - #[rustc_const_unstable(feature = "const_ptr_write", issue = "none")] #[inline(always)] - pub const unsafe fn write(self, val: T) + pub unsafe fn write(self, val: T) where T: Sized, { diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 3bcea4e6d25..0e5c5ee726e 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -2100,9 +2100,11 @@ impl<T> [T] { /// /// If the value is found then [`Result::Ok`] is returned, containing the /// index of the matching element. If there are multiple matches, then any - /// one of the matches could be returned. If the value is not found then - /// [`Result::Err`] is returned, containing the index where a matching - /// element could be inserted while maintaining sorted order. + /// one of the matches could be returned. The index is chosen + /// deterministically, but is subject to change in future versions of Rust. + /// If the value is not found then [`Result::Err`] is returned, containing + /// the index where a matching element could be inserted while maintaining + /// sorted order. /// /// See also [`binary_search_by`], [`binary_search_by_key`], and [`partition_point`]. /// @@ -2153,9 +2155,11 @@ impl<T> [T] { /// /// If the value is found then [`Result::Ok`] is returned, containing the /// index of the matching element. If there are multiple matches, then any - /// one of the matches could be returned. If the value is not found then - /// [`Result::Err`] is returned, containing the index where a matching - /// element could be inserted while maintaining sorted order. + /// one of the matches could be returned. The index is chosen + /// deterministically, but is subject to change in future versions of Rust. + /// If the value is not found then [`Result::Err`] is returned, containing + /// the index where a matching element could be inserted while maintaining + /// sorted order. /// /// See also [`binary_search`], [`binary_search_by_key`], and [`partition_point`]. /// @@ -2224,9 +2228,11 @@ impl<T> [T] { /// /// If the value is found then [`Result::Ok`] is returned, containing the /// index of the matching element. If there are multiple matches, then any - /// one of the matches could be returned. If the value is not found then - /// [`Result::Err`] is returned, containing the index where a matching - /// element could be inserted while maintaining sorted order. + /// one of the matches could be returned. The index is chosen + /// deterministically, but is subject to change in future versions of Rust. + /// If the value is not found then [`Result::Err`] is returned, containing + /// the index where a matching element could be inserted while maintaining + /// sorted order. /// /// See also [`binary_search`], [`binary_search_by`], and [`partition_point`]. /// diff --git a/library/core/tests/any.rs b/library/core/tests/any.rs index b0dc9903464..b36d6f0d404 100644 --- a/library/core/tests/any.rs +++ b/library/core/tests/any.rs @@ -114,3 +114,16 @@ fn any_unsized() { fn is_any<T: Any + ?Sized>() {} is_any::<[i32]>(); } + +#[test] +fn distinct_type_names() { + // https://github.com/rust-lang/rust/issues/84666 + + struct Velocity(f32, f32); + + fn type_name_of_val<T>(_: T) -> &'static str { + type_name::<T>() + } + + assert_ne!(type_name_of_val(Velocity), type_name_of_val(Velocity(0.0, -9.8)),); +} diff --git a/library/core/tests/array.rs b/library/core/tests/array.rs index ce7480ce2ee..0ae625bdb68 100644 --- a/library/core/tests/array.rs +++ b/library/core/tests/array.rs @@ -1,4 +1,4 @@ -use core::array::{self, IntoIter}; +use core::array; use core::convert::TryFrom; #[test] @@ -41,14 +41,14 @@ fn array_try_from() { #[test] fn iterator_collect() { let arr = [0, 1, 2, 5, 9]; - let v: Vec<_> = IntoIter::new(arr.clone()).collect(); + let v: Vec<_> = IntoIterator::into_iter(arr.clone()).collect(); assert_eq!(&arr[..], &v[..]); } #[test] fn iterator_rev_collect() { let arr = [0, 1, 2, 5, 9]; - let v: Vec<_> = IntoIter::new(arr.clone()).rev().collect(); + let v: Vec<_> = IntoIterator::into_iter(arr.clone()).rev().collect(); assert_eq!(&v[..], &[9, 5, 2, 1, 0]); } @@ -56,11 +56,11 @@ fn iterator_rev_collect() { fn iterator_nth() { let v = [0, 1, 2, 3, 4]; for i in 0..v.len() { - assert_eq!(IntoIter::new(v.clone()).nth(i).unwrap(), v[i]); + assert_eq!(IntoIterator::into_iter(v.clone()).nth(i).unwrap(), v[i]); } - assert_eq!(IntoIter::new(v.clone()).nth(v.len()), None); + assert_eq!(IntoIterator::into_iter(v.clone()).nth(v.len()), None); - let mut iter = IntoIter::new(v); + let mut iter = IntoIterator::into_iter(v); assert_eq!(iter.nth(2).unwrap(), v[2]); assert_eq!(iter.nth(1).unwrap(), v[4]); } @@ -68,17 +68,17 @@ fn iterator_nth() { #[test] fn iterator_last() { let v = [0, 1, 2, 3, 4]; - assert_eq!(IntoIter::new(v).last().unwrap(), 4); - assert_eq!(IntoIter::new([0]).last().unwrap(), 0); + assert_eq!(IntoIterator::into_iter(v).last().unwrap(), 4); + assert_eq!(IntoIterator::into_iter([0]).last().unwrap(), 0); - let mut it = IntoIter::new([0, 9, 2, 4]); + let mut it = IntoIterator::into_iter([0, 9, 2, 4]); assert_eq!(it.next_back(), Some(4)); assert_eq!(it.last(), Some(2)); } #[test] fn iterator_clone() { - let mut it = IntoIter::new([0, 2, 4, 6, 8]); + let mut it = IntoIterator::into_iter([0, 2, 4, 6, 8]); assert_eq!(it.next(), Some(0)); assert_eq!(it.next_back(), Some(8)); let mut clone = it.clone(); @@ -92,7 +92,7 @@ fn iterator_clone() { #[test] fn iterator_fused() { - let mut it = IntoIter::new([0, 9, 2]); + let mut it = IntoIterator::into_iter([0, 9, 2]); assert_eq!(it.next(), Some(0)); assert_eq!(it.next(), Some(9)); assert_eq!(it.next(), Some(2)); @@ -105,7 +105,7 @@ fn iterator_fused() { #[test] fn iterator_len() { - let mut it = IntoIter::new([0, 1, 2, 5, 9]); + let mut it = IntoIterator::into_iter([0, 1, 2, 5, 9]); assert_eq!(it.size_hint(), (5, Some(5))); assert_eq!(it.len(), 5); assert_eq!(it.is_empty(), false); @@ -121,7 +121,7 @@ fn iterator_len() { assert_eq!(it.is_empty(), false); // Empty - let it = IntoIter::new([] as [String; 0]); + let it = IntoIterator::into_iter([] as [String; 0]); assert_eq!(it.size_hint(), (0, Some(0))); assert_eq!(it.len(), 0); assert_eq!(it.is_empty(), true); @@ -130,9 +130,9 @@ fn iterator_len() { #[test] fn iterator_count() { let v = [0, 1, 2, 3, 4]; - assert_eq!(IntoIter::new(v.clone()).count(), 5); + assert_eq!(IntoIterator::into_iter(v.clone()).count(), 5); - let mut iter2 = IntoIter::new(v); + let mut iter2 = IntoIterator::into_iter(v); iter2.next(); iter2.next(); assert_eq!(iter2.count(), 3); @@ -140,13 +140,13 @@ fn iterator_count() { #[test] fn iterator_flat_map() { - assert!((0..5).flat_map(|i| IntoIter::new([2 * i, 2 * i + 1])).eq(0..10)); + assert!((0..5).flat_map(|i| IntoIterator::into_iter([2 * i, 2 * i + 1])).eq(0..10)); } #[test] fn iterator_debug() { let arr = [0, 1, 2, 5, 9]; - assert_eq!(format!("{:?}", IntoIter::new(arr)), "IntoIter([0, 1, 2, 5, 9])",); + assert_eq!(format!("{:?}", IntoIterator::into_iter(arr)), "IntoIter([0, 1, 2, 5, 9])",); } #[test] @@ -176,14 +176,14 @@ fn iterator_drops() { // Simple: drop new iterator. let i = Cell::new(0); { - IntoIter::new(five(&i)); + IntoIterator::into_iter(five(&i)); } assert_eq!(i.get(), 5); // Call `next()` once. let i = Cell::new(0); { - let mut iter = IntoIter::new(five(&i)); + let mut iter = IntoIterator::into_iter(five(&i)); let _x = iter.next(); assert_eq!(i.get(), 0); assert_eq!(iter.count(), 4); @@ -194,7 +194,7 @@ fn iterator_drops() { // Check `clone` and calling `next`/`next_back`. let i = Cell::new(0); { - let mut iter = IntoIter::new(five(&i)); + let mut iter = IntoIterator::into_iter(five(&i)); iter.next(); assert_eq!(i.get(), 1); iter.next_back(); @@ -217,7 +217,7 @@ fn iterator_drops() { // Check via `nth`. let i = Cell::new(0); { - let mut iter = IntoIter::new(five(&i)); + let mut iter = IntoIterator::into_iter(five(&i)); let _x = iter.nth(2); assert_eq!(i.get(), 2); let _y = iter.last(); @@ -227,13 +227,13 @@ fn iterator_drops() { // Check every element. let i = Cell::new(0); - for (index, _x) in IntoIter::new(five(&i)).enumerate() { + for (index, _x) in IntoIterator::into_iter(five(&i)).enumerate() { assert_eq!(i.get(), index); } assert_eq!(i.get(), 5); let i = Cell::new(0); - for (index, _x) in IntoIter::new(five(&i)).rev().enumerate() { + for (index, _x) in IntoIterator::into_iter(five(&i)).rev().enumerate() { assert_eq!(i.get(), index); } assert_eq!(i.get(), 5); diff --git a/library/core/tests/const_ptr.rs b/library/core/tests/const_ptr.rs index 152fed803ec..4acd059ab03 100644 --- a/library/core/tests/const_ptr.rs +++ b/library/core/tests/const_ptr.rs @@ -49,53 +49,3 @@ fn mut_ptr_read() { const UNALIGNED: u16 = unsafe { UNALIGNED_PTR.read_unaligned() }; assert_eq!(UNALIGNED, u16::from_ne_bytes([0x23, 0x45])); } - -#[test] -fn write() { - use core::ptr; - - const fn write_aligned() -> i32 { - let mut res = 0; - unsafe { - ptr::write(&mut res as *mut _, 42); - } - res - } - const ALIGNED: i32 = write_aligned(); - assert_eq!(ALIGNED, 42); - - const fn write_unaligned() -> [u16; 2] { - let mut two_aligned = [0u16; 2]; - unsafe { - let unaligned_ptr = (two_aligned.as_mut_ptr() as *mut u8).add(1) as *mut u16; - ptr::write_unaligned(unaligned_ptr, u16::from_ne_bytes([0x23, 0x45])); - } - two_aligned - } - const UNALIGNED: [u16; 2] = write_unaligned(); - assert_eq!(UNALIGNED, [u16::from_ne_bytes([0x00, 0x23]), u16::from_ne_bytes([0x45, 0x00])]); -} - -#[test] -fn mut_ptr_write() { - const fn aligned() -> i32 { - let mut res = 0; - unsafe { - (&mut res as *mut i32).write(42); - } - res - } - const ALIGNED: i32 = aligned(); - assert_eq!(ALIGNED, 42); - - const fn write_unaligned() -> [u16; 2] { - let mut two_aligned = [0u16; 2]; - unsafe { - let unaligned_ptr = (two_aligned.as_mut_ptr() as *mut u8).add(1) as *mut u16; - unaligned_ptr.write_unaligned(u16::from_ne_bytes([0x23, 0x45])); - } - two_aligned - } - const UNALIGNED: [u16; 2] = write_unaligned(); - assert_eq!(UNALIGNED, [u16::from_ne_bytes([0x00, 0x23]), u16::from_ne_bytes([0x45, 0x00])]); -} diff --git a/library/core/tests/iter/adapters/zip.rs b/library/core/tests/iter/adapters/zip.rs index 000c15f72c8..797bfd957f9 100644 --- a/library/core/tests/iter/adapters/zip.rs +++ b/library/core/tests/iter/adapters/zip.rs @@ -236,9 +236,7 @@ fn test_zip_trusted_random_access_composition() { fn test_double_ended_zip() { let xs = [1, 2, 3, 4, 5, 6]; let ys = [1, 2, 3, 7]; - let a = xs.iter().cloned(); - let b = ys.iter().cloned(); - let mut it = a.zip(b); + let mut it = xs.iter().cloned().zip(ys); assert_eq!(it.next(), Some((1, 1))); assert_eq!(it.next(), Some((2, 2))); assert_eq!(it.next_back(), Some((4, 7))); diff --git a/library/panic_abort/src/lib.rs b/library/panic_abort/src/lib.rs index 5dcd1e6af36..d95ea6530c2 100644 --- a/library/panic_abort/src/lib.rs +++ b/library/panic_abort/src/lib.rs @@ -5,10 +5,7 @@ #![no_std] #![unstable(feature = "panic_abort", issue = "32837")] -#![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", - issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/" -)] +#![doc(issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/")] #![panic_runtime] #![allow(unused_features)] #![feature(core_intrinsics)] diff --git a/library/panic_unwind/src/lib.rs b/library/panic_unwind/src/lib.rs index 99a0c67fc11..d32a3f1f832 100644 --- a/library/panic_unwind/src/lib.rs +++ b/library/panic_unwind/src/lib.rs @@ -13,10 +13,7 @@ #![no_std] #![unstable(feature = "panic_unwind", issue = "32837")] -#![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", - issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/" -)] +#![doc(issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/")] #![feature(core_intrinsics)] #![feature(lang_items)] #![feature(nll)] diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index 04a165e09f1..26fbf50e2df 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -12,7 +12,6 @@ #![stable(feature = "proc_macro_lib", since = "1.15.0")] #![deny(missing_docs)] #![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", html_playground_url = "https://play.rust-lang.org/", issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/", test(no_crate_inject, attr(deny(warnings))), @@ -32,6 +31,7 @@ #![feature(restricted_std)] #![feature(rustc_attrs)] #![feature(min_specialization)] +#![feature(bound_cloned)] #![recursion_limit = "256"] #[unstable(feature = "proc_macro_internals", issue = "27812")] @@ -44,7 +44,7 @@ mod diagnostic; pub use diagnostic::{Diagnostic, Level, MultiSpan}; use std::cmp::Ordering; -use std::ops::{Bound, RangeBounds}; +use std::ops::RangeBounds; use std::path::PathBuf; use std::str::FromStr; use std::{error, fmt, iter, mem}; @@ -1163,16 +1163,7 @@ impl Literal { // was 'c' or whether it was '\u{63}'. #[unstable(feature = "proc_macro_span", issue = "54725")] pub fn subspan<R: RangeBounds<usize>>(&self, range: R) -> Option<Span> { - // HACK(eddyb) something akin to `Option::cloned`, but for `Bound<&T>`. - fn cloned_bound<T: Clone>(bound: Bound<&T>) -> Bound<T> { - match bound { - Bound::Included(x) => Bound::Included(x.clone()), - Bound::Excluded(x) => Bound::Excluded(x.clone()), - Bound::Unbounded => Bound::Unbounded, - } - } - - self.0.subspan(cloned_bound(range.start_bound()), cloned_bound(range.end_bound())).map(Span) + self.0.subspan(range.start_bound().cloned(), range.end_bound().cloned()).map(Span) } } diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 922c2c2bb8c..415d874c7fa 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -17,7 +17,7 @@ panic_unwind = { path = "../panic_unwind", optional = true } panic_abort = { path = "../panic_abort" } core = { path = "../core" } libc = { version = "0.2.93", default-features = false, features = ['rustc-dep-of-std'] } -compiler_builtins = { version = "0.1.43" } +compiler_builtins = { version = "0.1.44" } profiler_builtins = { path = "../profiler_builtins", optional = true } unwind = { path = "../unwind" } hashbrown = { version = "0.11", default-features = false, features = ['rustc-dep-of-std'] } diff --git a/library/std/src/io/impls.rs b/library/std/src/io/impls.rs index 6891bd8a664..7a2a49ba7d7 100644 --- a/library/std/src/io/impls.rs +++ b/library/std/src/io/impls.rs @@ -87,6 +87,11 @@ impl<S: Seek + ?Sized> Seek for &mut S { fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> { (**self).seek(pos) } + + #[inline] + fn stream_position(&mut self) -> io::Result<u64> { + (**self).stream_position() + } } #[stable(feature = "rust1", since = "1.0.0")] impl<B: BufRead + ?Sized> BufRead for &mut B { @@ -186,6 +191,11 @@ impl<S: Seek + ?Sized> Seek for Box<S> { fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> { (**self).seek(pos) } + + #[inline] + fn stream_position(&mut self) -> io::Result<u64> { + (**self).stream_position() + } } #[stable(feature = "rust1", since = "1.0.0")] impl<B: BufRead + ?Sized> BufRead for Box<B> { diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 8e4c63762fd..c4f21587457 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -190,7 +190,6 @@ #![cfg_attr(not(feature = "restricted-std"), stable(feature = "rust1", since = "1.0.0"))] #![cfg_attr(feature = "restricted-std", unstable(feature = "restricted_std", issue = "none"))] #![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", html_playground_url = "https://play.rust-lang.org/", issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/", test(no_crate_inject, attr(deny(warnings))), diff --git a/library/std/src/net/ip.rs b/library/std/src/net/ip.rs index 6c2f2eeabd6..2b6d0d7d5da 100644 --- a/library/std/src/net/ip.rs +++ b/library/std/src/net/ip.rs @@ -314,7 +314,7 @@ impl Ipv4Addr { Ipv4Addr { inner: c::in_addr { s_addr: u32::from_ne_bytes([a, b, c, d]) } } } - /// An IPv4 address with the address pointing to localhost: 127.0.0.1. + /// An IPv4 address with the address pointing to localhost: `127.0.0.1` /// /// # Examples /// @@ -327,7 +327,7 @@ impl Ipv4Addr { #[stable(feature = "ip_constructors", since = "1.30.0")] pub const LOCALHOST: Self = Ipv4Addr::new(127, 0, 0, 1); - /// An IPv4 address representing an unspecified address: 0.0.0.0 + /// An IPv4 address representing an unspecified address: `0.0.0.0` /// /// This corresponds to the constant `INADDR_ANY` in other languages. /// @@ -343,7 +343,7 @@ impl Ipv4Addr { #[stable(feature = "ip_constructors", since = "1.30.0")] pub const UNSPECIFIED: Self = Ipv4Addr::new(0, 0, 0, 0); - /// An IPv4 address representing the broadcast address: 255.255.255.255 + /// An IPv4 address representing the broadcast address: `255.255.255.255` /// /// # Examples /// @@ -374,7 +374,7 @@ impl Ipv4Addr { self.inner.s_addr.to_ne_bytes() } - /// Returns [`true`] for the special 'unspecified' address (0.0.0.0). + /// Returns [`true`] for the special 'unspecified' address (`0.0.0.0`). /// /// This property is defined in _UNIX Network Programming, Second Edition_, /// W. Richard Stevens, p. 891; see also [ip7]. @@ -396,7 +396,7 @@ impl Ipv4Addr { self.inner.s_addr == 0 } - /// Returns [`true`] if this is a loopback address (127.0.0.0/8). + /// Returns [`true`] if this is a loopback address (`127.0.0.0/8`). /// /// This property is defined by [IETF RFC 1122]. /// @@ -421,9 +421,9 @@ impl Ipv4Addr { /// /// The private address ranges are defined in [IETF RFC 1918] and include: /// - /// - 10.0.0.0/8 - /// - 172.16.0.0/12 - /// - 192.168.0.0/16 + /// - `10.0.0.0/8` + /// - `172.16.0.0/12` + /// - `192.168.0.0/16` /// /// [IETF RFC 1918]: https://tools.ietf.org/html/rfc1918 /// @@ -452,7 +452,7 @@ impl Ipv4Addr { } } - /// Returns [`true`] if the address is link-local (169.254.0.0/16). + /// Returns [`true`] if the address is link-local (`169.254.0.0/16`). /// /// This property is defined by [IETF RFC 3927]. /// @@ -485,7 +485,7 @@ impl Ipv4Addr { /// - the broadcast address (see [`Ipv4Addr::is_broadcast()`]) /// - addresses used for documentation (see [`Ipv4Addr::is_documentation()`]) /// - the unspecified address (see [`Ipv4Addr::is_unspecified()`]), and the whole - /// 0.0.0.0/8 block + /// `0.0.0.0/8` block /// - addresses reserved for future protocols (see /// [`Ipv4Addr::is_ietf_protocol_assignment()`], except /// `192.0.0.9/32` and `192.0.0.10/32` which are globally routable @@ -682,9 +682,9 @@ impl Ipv4Addr { self.octets()[0] & 240 == 240 && !self.is_broadcast() } - /// Returns [`true`] if this is a multicast address (224.0.0.0/4). + /// Returns [`true`] if this is a multicast address (`224.0.0.0/4`). /// - /// Multicast addresses have a most significant octet between 224 and 239, + /// Multicast addresses have a most significant octet between `224` and `239`, /// and is defined by [IETF RFC 5771]. /// /// [IETF RFC 5771]: https://tools.ietf.org/html/rfc5771 @@ -705,9 +705,9 @@ impl Ipv4Addr { self.octets()[0] >= 224 && self.octets()[0] <= 239 } - /// Returns [`true`] if this is a broadcast address (255.255.255.255). + /// Returns [`true`] if this is a broadcast address (`255.255.255.255`). /// - /// A broadcast address has all octets set to 255 as defined in [IETF RFC 919]. + /// A broadcast address has all octets set to `255` as defined in [IETF RFC 919]. /// /// [IETF RFC 919]: https://tools.ietf.org/html/rfc919 /// @@ -730,9 +730,9 @@ impl Ipv4Addr { /// /// This is defined in [IETF RFC 5737]: /// - /// - 192.0.2.0/24 (TEST-NET-1) - /// - 198.51.100.0/24 (TEST-NET-2) - /// - 203.0.113.0/24 (TEST-NET-3) + /// - `192.0.2.0/24` (TEST-NET-1) + /// - `198.51.100.0/24` (TEST-NET-2) + /// - `203.0.113.0/24` (TEST-NET-3) /// /// [IETF RFC 5737]: https://tools.ietf.org/html/rfc5737 /// @@ -760,7 +760,7 @@ impl Ipv4Addr { /// Converts this address to an IPv4-compatible [`IPv6` address]. /// - /// a.b.c.d becomes ::a.b.c.d + /// `a.b.c.d` becomes `::a.b.c.d` /// /// This isn't typically the method you want; these addresses don't typically /// function on modern systems. Use `to_ipv6_mapped` instead. @@ -774,7 +774,7 @@ impl Ipv4Addr { /// /// assert_eq!( /// Ipv4Addr::new(192, 0, 2, 255).to_ipv6_compatible(), - /// Ipv6Addr::new(0, 0, 0, 0, 0, 0, 49152, 767) + /// Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0xc000, 0x2ff) /// ); /// ``` #[rustc_const_stable(feature = "const_ipv4", since = "1.50.0")] @@ -789,7 +789,7 @@ impl Ipv4Addr { /// Converts this address to an IPv4-mapped [`IPv6` address]. /// - /// a.b.c.d becomes ::ffff:a.b.c.d + /// `a.b.c.d` becomes `::ffff:a.b.c.d` /// /// [`IPv6` address]: Ipv6Addr /// @@ -799,7 +799,7 @@ impl Ipv4Addr { /// use std::net::{Ipv4Addr, Ipv6Addr}; /// /// assert_eq!(Ipv4Addr::new(192, 0, 2, 255).to_ipv6_mapped(), - /// Ipv6Addr::new(0, 0, 0, 0, 0, 65535, 49152, 767)); + /// Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc000, 0x2ff)); /// ``` #[rustc_const_stable(feature = "const_ipv4", since = "1.50.0")] #[stable(feature = "rust1", since = "1.0.0")] @@ -1172,7 +1172,7 @@ impl Ipv6Addr { ] } - /// Returns [`true`] for the special 'unspecified' address (::). + /// Returns [`true`] for the special 'unspecified' address (`::`). /// /// This property is defined in [IETF RFC 4291]. /// @@ -1267,6 +1267,34 @@ impl Ipv6Addr { (self.segments()[0] & 0xfe00) == 0xfc00 } + /// Returns [`true`] if this is a unicast address, as defined by [IETF RFC 4291]. + /// Any address that is not a [multicast address] (`ff00::/8`) is unicast. + /// + /// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291 + /// [multicast address]: Ipv6Addr::is_multicast + /// + /// # Examples + /// + /// ``` + /// #![feature(ip)] + /// + /// use std::net::Ipv6Addr; + /// + /// // The unspecified and loopback addresses are unicast. + /// assert_eq!(Ipv6Addr::UNSPECIFIED.is_unicast(), true); + /// assert_eq!(Ipv6Addr::LOCALHOST.is_unicast(), true); + /// + /// // Any address that is not a multicast address (`ff00::/8`) is unicast. + /// assert_eq!(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0).is_unicast(), true); + /// assert_eq!(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0).is_unicast(), false); + /// ``` + #[rustc_const_unstable(feature = "const_ipv6", issue = "76205")] + #[unstable(feature = "ip", issue = "27709")] + #[inline] + pub const fn is_unicast(&self) -> bool { + !self.is_multicast() + } + /// Returns `true` if the address is a unicast address with link-local scope, /// as defined in [RFC 4291]. /// @@ -1318,7 +1346,7 @@ impl Ipv6Addr { (self.segments()[0] & 0xffc0) == 0xfe80 } - /// Returns [`true`] if this is a deprecated unicast site-local address (fec0::/10). The + /// Returns [`true`] if this is a deprecated unicast site-local address (`fec0::/10`). The /// unicast site-local address format is defined in [RFC 4291 section 2.5.7] as: /// /// ```no_rust @@ -1347,7 +1375,7 @@ impl Ipv6Addr { /// /// # Warning /// - /// As per [RFC 3879], the whole `FEC0::/10` prefix is + /// As per [RFC 3879], the whole `fec0::/10` prefix is /// deprecated. New software must not support site-local /// addresses. /// @@ -1417,7 +1445,7 @@ impl Ipv6Addr { #[unstable(feature = "ip", issue = "27709")] #[inline] pub const fn is_unicast_global(&self) -> bool { - !self.is_multicast() + self.is_unicast() && !self.is_loopback() && !self.is_unicast_link_local() && !self.is_unique_local() @@ -1460,7 +1488,7 @@ impl Ipv6Addr { } } - /// Returns [`true`] if this is a multicast address (ff00::/8). + /// Returns [`true`] if this is a multicast address (`ff00::/8`). /// /// This property is defined by [IETF RFC 4291]. /// @@ -1517,7 +1545,7 @@ impl Ipv6Addr { /// Converts this address to an [`IPv4` address]. Returns [`None`] if this address is /// neither IPv4-compatible or IPv4-mapped. /// - /// ::a.b.c.d and ::ffff:a.b.c.d become a.b.c.d + /// `::a.b.c.d` and `::ffff:a.b.c.d` become `a.b.c.d` /// /// [`IPv4` address]: Ipv4Addr /// diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 02957e75a74..e591e073e7b 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -193,7 +193,7 @@ fn default_hook(info: &PanicInfo<'_>) { Some(s) => *s, None => match info.payload().downcast_ref::<String>() { Some(s) => &s[..], - None => "Box<Any>", + None => "Box<dyn Any>", }, }; let thread = thread_info::current_thread(); diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 9c5615f58c4..ede147aca12 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -1420,6 +1420,9 @@ impl Clone for PathBuf { #[stable(feature = "box_from_path", since = "1.17.0")] impl From<&Path> for Box<Path> { + /// Creates a boxed [`Path`] from a reference. + /// + /// This will allocate and clone `path` to it. fn from(path: &Path) -> Box<Path> { let boxed: Box<OsStr> = path.inner.into(); let rw = Box::into_raw(boxed) as *mut Path; @@ -1429,6 +1432,9 @@ impl From<&Path> for Box<Path> { #[stable(feature = "box_from_cow", since = "1.45.0")] impl From<Cow<'_, Path>> for Box<Path> { + /// Creates a boxed [`Path`] from a clone-on-write pointer. + /// + /// Converting from a `Cow::Owned` does not clone or allocate. #[inline] fn from(cow: Cow<'_, Path>) -> Box<Path> { match cow { @@ -1471,6 +1477,9 @@ impl Clone for Box<Path> { #[stable(feature = "rust1", since = "1.0.0")] impl<T: ?Sized + AsRef<OsStr>> From<&T> for PathBuf { + /// Converts a borrowed `OsStr` to a `PathBuf`. + /// + /// Allocates a [`PathBuf`] and copies the data into it. #[inline] fn from(s: &T) -> PathBuf { PathBuf::from(s.as_ref().to_os_string()) @@ -1575,6 +1584,10 @@ impl Default for PathBuf { #[stable(feature = "cow_from_path", since = "1.6.0")] impl<'a> From<&'a Path> for Cow<'a, Path> { + /// Creates a clone-on-write pointer from a reference to + /// [`Path`]. + /// + /// This conversion does not clone or allocate. #[inline] fn from(s: &'a Path) -> Cow<'a, Path> { Cow::Borrowed(s) @@ -1583,6 +1596,10 @@ impl<'a> From<&'a Path> for Cow<'a, Path> { #[stable(feature = "cow_from_path", since = "1.6.0")] impl<'a> From<PathBuf> for Cow<'a, Path> { + /// Creates a clone-on-write pointer from an owned + /// instance of [`PathBuf`]. + /// + /// This conversion does not clone or allocate. #[inline] fn from(s: PathBuf) -> Cow<'a, Path> { Cow::Owned(s) @@ -1591,6 +1608,10 @@ impl<'a> From<PathBuf> for Cow<'a, Path> { #[stable(feature = "cow_from_pathbuf_ref", since = "1.28.0")] impl<'a> From<&'a PathBuf> for Cow<'a, Path> { + /// Creates a clone-on-write pointer from a reference to + /// [`PathBuf`]. + /// + /// This conversion does not clone or allocate. #[inline] fn from(p: &'a PathBuf) -> Cow<'a, Path> { Cow::Borrowed(p.as_path()) @@ -1599,6 +1620,9 @@ impl<'a> From<&'a PathBuf> for Cow<'a, Path> { #[stable(feature = "pathbuf_from_cow_path", since = "1.28.0")] impl<'a> From<Cow<'a, Path>> for PathBuf { + /// Converts a clone-on-write pointer to an owned path. + /// + /// Converting from a `Cow::Owned` does not clone or allocate. #[inline] fn from(p: Cow<'a, Path>) -> Self { p.into_owned() @@ -2462,10 +2486,10 @@ impl Path { /// Returns `true` if the path points at an existing entity. /// /// This function will traverse symbolic links to query information about the - /// destination file. In case of broken symbolic links this will return `false`. + /// destination file. /// - /// If you cannot access the directory containing the file, e.g., because of a - /// permission error, this will return `false`. + /// If you cannot access the metadata of the file, e.g. because of a + /// permission error or broken symbolic links, this will return `false`. /// /// # Examples /// @@ -2513,10 +2537,10 @@ impl Path { /// Returns `true` if the path exists on disk and is pointing at a regular file. /// /// This function will traverse symbolic links to query information about the - /// destination file. In case of broken symbolic links this will return `false`. + /// destination file. /// - /// If you cannot access the directory containing the file, e.g., because of a - /// permission error, this will return `false`. + /// If you cannot access the metadata of the file, e.g. because of a + /// permission error or broken symbolic links, this will return `false`. /// /// # Examples /// @@ -2545,10 +2569,10 @@ impl Path { /// Returns `true` if the path exists on disk and is pointing at a directory. /// /// This function will traverse symbolic links to query information about the - /// destination file. In case of broken symbolic links this will return `false`. + /// destination file. /// - /// If you cannot access the directory containing the file, e.g., because of a - /// permission error, this will return `false`. + /// If you cannot access the metadata of the file, e.g. because of a + /// permission error or broken symbolic links, this will return `false`. /// /// # Examples /// diff --git a/library/std/src/prelude/mod.rs b/library/std/src/prelude/mod.rs index 1b4facdd049..12d52cc8e0b 100644 --- a/library/std/src/prelude/mod.rs +++ b/library/std/src/prelude/mod.rs @@ -88,9 +88,9 @@ pub mod v1; /// The 2015 version of the prelude of The Rust Standard Library. /// /// See the [module-level documentation](self) for more. -#[unstable(feature = "prelude_2015", issue = "none")] +#[unstable(feature = "prelude_2015", issue = "85684")] pub mod rust_2015 { - #[unstable(feature = "prelude_2015", issue = "none")] + #[unstable(feature = "prelude_2015", issue = "85684")] #[doc(no_inline)] pub use super::v1::*; } @@ -98,9 +98,9 @@ pub mod rust_2015 { /// The 2018 version of the prelude of The Rust Standard Library. /// /// See the [module-level documentation](self) for more. -#[unstable(feature = "prelude_2018", issue = "none")] +#[unstable(feature = "prelude_2018", issue = "85684")] pub mod rust_2018 { - #[unstable(feature = "prelude_2018", issue = "none")] + #[unstable(feature = "prelude_2018", issue = "85684")] #[doc(no_inline)] pub use super::v1::*; } @@ -108,13 +108,13 @@ pub mod rust_2018 { /// The 2021 version of the prelude of The Rust Standard Library. /// /// See the [module-level documentation](self) for more. -#[unstable(feature = "prelude_2021", issue = "none")] +#[unstable(feature = "prelude_2021", issue = "85684")] pub mod rust_2021 { - #[unstable(feature = "prelude_2021", issue = "none")] + #[unstable(feature = "prelude_2021", issue = "85684")] #[doc(no_inline)] pub use super::v1::*; - #[unstable(feature = "prelude_2021", issue = "none")] + #[unstable(feature = "prelude_2021", issue = "85684")] #[doc(no_inline)] pub use core::prelude::rust_2021::*; } diff --git a/library/std/src/sys/unix/mod.rs b/library/std/src/sys/unix/mod.rs index 57d91441b6f..ca9cc8ca7ba 100644 --- a/library/std/src/sys/unix/mod.rs +++ b/library/std/src/sys/unix/mod.rs @@ -210,7 +210,6 @@ cfg_if::cfg_if! { if #[cfg(target_os = "android")] { #[link(name = "dl")] #[link(name = "log")] - #[link(name = "gcc")] extern "C" {} } else if #[cfg(target_os = "freebsd")] { #[link(name = "execinfo")] diff --git a/library/std/src/time.rs b/library/std/src/time.rs index 89addae0789..899cf6841ee 100644 --- a/library/std/src/time.rs +++ b/library/std/src/time.rs @@ -82,7 +82,7 @@ pub use core::time::Duration; /// Currently, the following system calls are being used to get the current time using `now()`: /// /// | Platform | System call | -/// |:---------:|:--------------------------------------------------------------------:| +/// |-----------|----------------------------------------------------------------------| /// | SGX | [`insecure_time` usercall]. More information on [timekeeping in SGX] | /// | UNIX | [clock_gettime (Monotonic Clock)] | /// | Darwin | [mach_absolute_time] | @@ -158,7 +158,7 @@ pub struct Instant(time::Instant); /// Currently, the following system calls are being used to get the current time using `now()`: /// /// | Platform | System call | -/// |:---------:|:--------------------------------------------------------------------:| +/// |-----------|----------------------------------------------------------------------| /// | SGX | [`insecure_time` usercall]. More information on [timekeeping in SGX] | /// | UNIX | [clock_gettime (Realtime Clock)] | /// | Darwin | [gettimeofday] | diff --git a/library/term/src/lib.rs b/library/term/src/lib.rs index 2116b433fce..943b276a220 100644 --- a/library/term/src/lib.rs +++ b/library/term/src/lib.rs @@ -30,11 +30,7 @@ //! [win]: https://docs.microsoft.com/en-us/windows/console/character-mode-applications //! [ti]: https://en.wikipedia.org/wiki/Terminfo -#![doc( - html_root_url = "https://doc.rust-lang.org/nightly/", - html_playground_url = "https://play.rust-lang.org/", - test(attr(deny(warnings))) -)] +#![doc(html_playground_url = "https://play.rust-lang.org/", test(attr(deny(warnings))))] #![deny(missing_docs)] #![cfg_attr(windows, feature(libc))] diff --git a/library/test/src/formatters/pretty.rs b/library/test/src/formatters/pretty.rs index 5e41d6d9692..e17fc08a9ae 100644 --- a/library/test/src/formatters/pretty.rs +++ b/library/test/src/formatters/pretty.rs @@ -169,7 +169,11 @@ impl<T: Write> PrettyFormatter<T> { fn write_test_name(&mut self, desc: &TestDesc) -> io::Result<()> { let name = desc.padded_name(self.max_name_len, desc.name.padding()); - self.write_plain(&format!("test {} ... ", name))?; + if let Some(test_mode) = desc.test_mode() { + self.write_plain(&format!("test {} - {} ... ", name, test_mode))?; + } else { + self.write_plain(&format!("test {} ... ", name))?; + } Ok(()) } diff --git a/library/test/src/formatters/terse.rs b/library/test/src/formatters/terse.rs index 6f46f7255a4..a2c223c494c 100644 --- a/library/test/src/formatters/terse.rs +++ b/library/test/src/formatters/terse.rs @@ -158,7 +158,11 @@ impl<T: Write> TerseFormatter<T> { fn write_test_name(&mut self, desc: &TestDesc) -> io::Result<()> { let name = desc.padded_name(self.max_name_len, desc.name.padding()); - self.write_plain(&format!("test {} ... ", name))?; + if let Some(test_mode) = desc.test_mode() { + self.write_plain(&format!("test {} - {} ... ", name, test_mode))?; + } else { + self.write_plain(&format!("test {} ... ", name))?; + } Ok(()) } diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs index bda5ed888d7..3da4d434f48 100644 --- a/library/test/src/lib.rs +++ b/library/test/src/lib.rs @@ -19,7 +19,7 @@ #![crate_name = "test"] #![unstable(feature = "test", issue = "50297")] -#![doc(html_root_url = "https://doc.rust-lang.org/nightly/", test(attr(deny(warnings))))] +#![doc(test(attr(deny(warnings))))] #![cfg_attr(unix, feature(libc))] #![feature(rustc_private)] #![feature(nll)] diff --git a/library/test/src/tests.rs b/library/test/src/tests.rs index 6a3f31b74ea..5a4a540b04e 100644 --- a/library/test/src/tests.rs +++ b/library/test/src/tests.rs @@ -61,6 +61,10 @@ fn one_ignored_one_unignored_test() -> Vec<TestDescAndFn> { ignore: true, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(move || {})), @@ -71,6 +75,10 @@ fn one_ignored_one_unignored_test() -> Vec<TestDescAndFn> { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(move || {})), @@ -89,6 +97,10 @@ pub fn do_not_run_ignored_tests() { ignore: true, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -108,6 +120,10 @@ pub fn ignored_tests_result_in_ignored() { ignore: true, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -131,6 +147,10 @@ fn test_should_panic() { ignore: false, should_panic: ShouldPanic::Yes, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -154,6 +174,10 @@ fn test_should_panic_good_message() { ignore: false, should_panic: ShouldPanic::YesWithMessage("error message"), allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -182,6 +206,10 @@ fn test_should_panic_bad_message() { ignore: false, should_panic: ShouldPanic::YesWithMessage(expected), allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -214,6 +242,10 @@ fn test_should_panic_non_string_message_type() { ignore: false, should_panic: ShouldPanic::YesWithMessage(expected), allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -238,6 +270,10 @@ fn test_should_panic_but_succeeds() { ignore: false, should_panic, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -270,6 +306,10 @@ fn report_time_test_template(report_time: bool) -> Option<TestExecTime> { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(f)), @@ -303,6 +343,10 @@ fn time_test_failure_template(test_type: TestType) -> TestResult { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type, }, testfn: DynTestFn(Box::new(f)), @@ -340,6 +384,10 @@ fn typed_test_desc(test_type: TestType) -> TestDesc { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type, } } @@ -451,6 +499,10 @@ pub fn exclude_should_panic_option() { ignore: false, should_panic: ShouldPanic::Yes, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(move || {})), @@ -473,6 +525,10 @@ pub fn exact_filter_match() { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(move || {})), @@ -565,6 +621,10 @@ pub fn sort_tests() { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }, testfn: DynTestFn(Box::new(testfn)), @@ -642,6 +702,10 @@ pub fn test_bench_no_iter() { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }; @@ -662,6 +726,10 @@ pub fn test_bench_iter() { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }; @@ -676,6 +744,10 @@ fn should_sort_failures_before_printing_them() { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }; @@ -684,6 +756,10 @@ fn should_sort_failures_before_printing_them() { ignore: false, should_panic: ShouldPanic::No, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: TestType::Unknown, }; diff --git a/library/test/src/types.rs b/library/test/src/types.rs index c5d91f653b3..63907c71ea7 100644 --- a/library/test/src/types.rs +++ b/library/test/src/types.rs @@ -124,6 +124,10 @@ pub struct TestDesc { pub ignore: bool, pub should_panic: options::ShouldPanic, pub allow_fail: bool, + #[cfg(not(bootstrap))] + pub compile_fail: bool, + #[cfg(not(bootstrap))] + pub no_run: bool, pub test_type: TestType, } @@ -140,6 +144,36 @@ impl TestDesc { } } } + + /// Returns None for ignored test or that that are just run, otherwise give a description of the type of test. + /// Descriptions include "should panic", "compile fail" and "compile". + #[cfg(not(bootstrap))] + pub fn test_mode(&self) -> Option<&'static str> { + if self.ignore { + return None; + } + match self.should_panic { + options::ShouldPanic::Yes | options::ShouldPanic::YesWithMessage(_) => { + return Some("should panic"); + } + options::ShouldPanic::No => {} + } + if self.allow_fail { + return Some("allow fail"); + } + if self.compile_fail { + return Some("compile fail"); + } + if self.no_run { + return Some("compile"); + } + None + } + + #[cfg(bootstrap)] + pub fn test_mode(&self) -> Option<&'static str> { + None + } } #[derive(Debug)] diff --git a/library/unwind/build.rs b/library/unwind/build.rs index 96df3fc5ac4..0529d24a274 100644 --- a/library/unwind/build.rs +++ b/library/unwind/build.rs @@ -20,6 +20,20 @@ fn main() { // linking for Linux is handled in lib.rs if target.contains("musl") { llvm_libunwind::compile(); + } else if target.contains("android") { + let build = cc::Build::new(); + + // Since ndk r23 beta 3 `libgcc` was replaced with `libunwind` thus + // check if we have `libunwind` available and if so use it. Otherwise + // fall back to `libgcc` to support older ndk versions. + let has_unwind = + build.is_flag_supported("-lunwind").expect("Unable to invoke compiler"); + + if has_unwind { + println!("cargo:rustc-link-lib=unwind"); + } else { + println!("cargo:rustc-link-lib=gcc"); + } } } else if target.contains("freebsd") { println!("cargo:rustc-link-lib=gcc_s"); diff --git a/src/bootstrap/bin/rustc.rs b/src/bootstrap/bin/rustc.rs index 4b98abfb308..ac8bbfe102d 100644 --- a/src/bootstrap/bin/rustc.rs +++ b/src/bootstrap/bin/rustc.rs @@ -124,6 +124,13 @@ fn main() { cmd.arg("-C").arg("target-feature=-crt-static"); } } + + if stage == "0" { + // Cargo doesn't pass RUSTFLAGS to proc_macros: + // https://github.com/rust-lang/cargo/issues/4423 + // Set `--cfg=bootstrap` explicitly instead. + cmd.arg("--cfg=bootstrap"); + } } if let Ok(map) = env::var("RUSTC_DEBUGINFO_MAP") { diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 149a899cef7..7c7f162b82c 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -648,18 +648,20 @@ class RustBuild(object): rev_parse = ["git", "rev-parse", "--show-toplevel"] top_level = subprocess.check_output(rev_parse, universal_newlines=True).strip() compiler = "{}/compiler/".format(top_level) + library = "{}/library/".format(top_level) # Look for a version to compare to based on the current commit. # Only commits merged by bors will have CI artifacts. merge_base = ["git", "log", "--author=bors", "--pretty=%H", "-n1"] commit = subprocess.check_output(merge_base, universal_newlines=True).strip() - # Warn if there were changes to the compiler since the ancestor commit. - status = subprocess.call(["git", "diff-index", "--quiet", commit, "--", compiler]) + # Warn if there were changes to the compiler or standard library since the ancestor commit. + status = subprocess.call(["git", "diff-index", "--quiet", commit, "--", compiler, library]) if status != 0: if download_rustc == "if-unchanged": return None - print("warning: `download-rustc` is enabled, but there are changes to compiler/") + print("warning: `download-rustc` is enabled, but there are changes to \ + compiler/ or library/") if self.verbose: print("using downloaded stage1 artifacts from CI (commit {})".format(commit)) diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs index f3049a74757..06f8bf89dae 100644 --- a/src/bootstrap/builder.rs +++ b/src/bootstrap/builder.rs @@ -574,6 +574,18 @@ impl<'a> Builder<'a> { self.run_step_descriptions(&Builder::get_step_descriptions(Kind::Doc), paths); } + /// NOTE: keep this in sync with `rustdoc::clean::utils::doc_rust_lang_org_channel`, or tests will fail on beta/stable. + pub fn doc_rust_lang_org_channel(&self) -> String { + let channel = match &*self.config.channel { + "stable" => &self.version, + "beta" => "beta", + "nightly" | "dev" => "nightly", + // custom build of rustdoc maybe? link to the latest stable docs just in case + _ => "stable", + }; + "https://doc.rust-lang.org/".to_owned() + channel + } + fn run_step_descriptions(&self, v: &[StepDescription], paths: &[PathBuf]) { StepDescription::run(v, self, paths); } @@ -709,7 +721,15 @@ impl<'a> Builder<'a> { return; } - add_dylib_path(vec![self.rustc_libdir(compiler)], cmd); + let mut dylib_dirs = vec![self.rustc_libdir(compiler)]; + + // Ensure that the downloaded LLVM libraries can be found. + if self.config.llvm_from_ci { + let ci_llvm_lib = self.out.join(&*compiler.host.triple).join("ci-llvm").join("lib"); + dylib_dirs.push(ci_llvm_lib); + } + + add_dylib_path(dylib_dirs, cmd); } /// Gets a path to the compiler specified. diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index e5258d08956..ed311e273b1 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -269,7 +269,9 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car if builder.no_std(target) == Some(true) { let mut features = "compiler-builtins-mem".to_string(); - features.push_str(compiler_builtins_c_feature); + if !target.starts_with("bpf") { + features.push_str(compiler_builtins_c_feature); + } // for no-std targets we only compile a few no_std crates cargo @@ -326,6 +328,11 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car if target.contains("riscv") { cargo.rustflag("-Cforce-unwind-tables=yes"); } + + let html_root = + format!("-Zcrate-attr=doc(html_root_url=\"{}/\")", builder.doc_rust_lang_org_channel(),); + cargo.rustflag(&html_root); + cargo.rustdocflag(&html_root); } #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] @@ -629,8 +636,7 @@ pub fn rustc_cargo_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetS cargo .env("CFG_RELEASE", builder.rust_release()) .env("CFG_RELEASE_CHANNEL", &builder.config.channel) - .env("CFG_VERSION", builder.rust_version()) - .env("CFG_PREFIX", builder.config.prefix.clone().unwrap_or_default()); + .env("CFG_VERSION", builder.rust_version()); let libdir_relative = builder.config.libdir_relative().unwrap_or_else(|| Path::new("lib")); cargo.env("CFG_LIBDIR_RELATIVE", libdir_relative); diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index 2960dd3df6b..21c7dd11d24 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -444,8 +444,13 @@ impl Build { build.verbose("finding compilers"); cc_detect::find(&mut build); - build.verbose("running sanity check"); - sanity::check(&mut build); + // When running `setup`, the profile is about to change, so any requirements we have now may + // be different on the next invocation. Don't check for them until the next time x.py is + // run. This is ok because `setup` never runs any build commands, so it won't fail if commands are missing. + if !matches!(build.config.cmd, Subcommand::Setup { .. }) { + build.verbose("running sanity check"); + sanity::check(&mut build); + } // If local-rust is the same major.minor as the current version, then force a // local-rebuild @@ -1366,7 +1371,7 @@ impl Build { eprintln!( " Couldn't find required command: ninja -You should install ninja, or set ninja=false in config.toml +You should install ninja, or set `ninja=false` in config.toml in the `[llvm]` section. " ); std::process::exit(1); diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 4f33a13c253..449fdb87b02 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -153,7 +153,7 @@ impl Step for Llvm { let llvm_targets = match &builder.config.llvm_targets { Some(s) => s, None => { - "AArch64;ARM;Hexagon;MSP430;Mips;NVPTX;PowerPC;RISCV;\ + "AArch64;ARM;BPF;Hexagon;MSP430;Mips;NVPTX;PowerPC;RISCV;\ Sparc;SystemZ;WebAssembly;X86" } }; diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs index 16b3c6419e8..cc7c143d474 100644 --- a/src/bootstrap/test.rs +++ b/src/bootstrap/test.rs @@ -449,6 +449,7 @@ impl Step for Miri { SourceType::Submodule, &[], ); + cargo.add_rustc_lib_path(builder, compiler); cargo.arg("--").arg("miri").arg("setup"); // Tell `cargo miri setup` where to find the sources. @@ -500,6 +501,7 @@ impl Step for Miri { SourceType::Submodule, &[], ); + cargo.add_rustc_lib_path(builder, compiler); // miri tests need to know about the stage sysroot cargo.env("MIRI_SYSROOT", miri_sysroot); @@ -508,8 +510,6 @@ impl Step for Miri { cargo.arg("--").args(builder.config.cmd.test_args()); - cargo.add_rustc_lib_path(builder, compiler); - let mut cargo = Command::from(cargo); if !try_run(builder, &mut cargo) { return; @@ -1486,6 +1486,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the } } cmd.env("RUSTC_BOOTSTRAP", "1"); + cmd.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel()); builder.add_rust_test_threads(&mut cmd); if builder.config.sanitizers_enabled(target) { diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs index 64e4be6863a..9d75ad0918a 100644 --- a/src/bootstrap/tool.rs +++ b/src/bootstrap/tool.rs @@ -263,6 +263,7 @@ pub fn prepare_tool_cargo( cargo.env("CFG_RELEASE_CHANNEL", &builder.config.channel); cargo.env("CFG_VERSION", builder.rust_version()); cargo.env("CFG_RELEASE_NUM", &builder.version); + cargo.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel()); let info = GitInfo::new(builder.config.ignore_git, &dir); if let Some(sha) = info.sha() { diff --git a/src/bootstrap/util.rs b/src/bootstrap/util.rs index b4421a82714..112979b0beb 100644 --- a/src/bootstrap/util.rs +++ b/src/bootstrap/util.rs @@ -45,6 +45,7 @@ pub fn libdir(target: TargetSelection) -> &'static str { } /// Adds a list of lookup paths to `cmd`'s dynamic library lookup path. +/// If The dylib_path_par is already set for this cmd, the old value will be overwritten! pub fn add_dylib_path(path: Vec<PathBuf>, cmd: &mut Command) { let mut list = dylib_path(); for path in path { @@ -306,5 +307,6 @@ pub fn use_host_linker(target: TargetSelection) -> bool { || target.contains("wasm32") || target.contains("nvptx") || target.contains("fortanix") - || target.contains("fuchsia")) + || target.contains("fuchsia") + || target.contains("bpf")) } diff --git a/src/doc/reference b/src/doc/reference -Subproject 9c68af3ce6ccca2395e1868addef26a0542e9dd +Subproject 8f598e2af6c25b4a7ee88ef6a8196d9b8ea50ca diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide -Subproject 50de7f0682adc5d95ce858fe6318d19b4b95155 +Subproject c8da5bfd1c7c71d90ef1646f5e0a9f6609d5c78 diff --git a/src/doc/rustc/src/codegen-options/index.md b/src/doc/rustc/src/codegen-options/index.md index 077c322bd77..05384117ac1 100644 --- a/src/doc/rustc/src/codegen-options/index.md +++ b/src/doc/rustc/src/codegen-options/index.md @@ -149,8 +149,7 @@ values: * `y`, `yes`, `on`, or no value: Unwind tables are forced to be generated. * `n`, `no`, or `off`: Unwind tables are not forced to be generated. If unwind - tables are required by the target or `-C panic=unwind`, an error will be - emitted. + tables are required by the target an error will be emitted. The default if not specified depends on the target. @@ -234,6 +233,8 @@ flavor. Valid options are: * `ptx-linker`: use [`rust-ptx-linker`](https://github.com/denzp/rust-ptx-linker) for Nvidia NVPTX GPGPU support. +* `bpf-linker`: use + [`bpf-linker`](https://github.com/alessandrod/bpf-linker) for eBPF support. * `wasm-ld`: use the [`wasm-ld`](https://lld.llvm.org/WebAssembly.html) executable, a port of LLVM `lld` for WebAssembly. * `ld64.lld`: use the LLVM `lld` executable with the [`-flavor darwin` diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 321d3c5c44e..3225e95941c 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -219,6 +219,8 @@ target | std | host | notes `armv7a-none-eabihf` | * | | ARM Cortex-A, hardfloat `armv7s-apple-ios` | ✓ | | `avr-unknown-gnu-atmega328` | * | | AVR. Requires `-Z build-std=core` +`bpfeb-unknown-none` | * | | BPF (big endian) +`bpfel-unknown-none` | * | | BPF (little endian) `hexagon-unknown-linux-musl` | ? | | `i386-apple-ios` | ✓ | | 32-bit x86 iOS `i686-apple-darwin` | ✓ | ✓ | 32-bit macOS (10.7+, Lion+) diff --git a/src/doc/rustdoc/src/documentation-tests.md b/src/doc/rustdoc/src/documentation-tests.md index 8e3c6228189..cb7b85655b5 100644 --- a/src/doc/rustdoc/src/documentation-tests.md +++ b/src/doc/rustdoc/src/documentation-tests.md @@ -424,9 +424,7 @@ without including it in your main documentation. For example, you could write th `lib.rs` to test your README as part of your doctests: ```rust,no_run -#![feature(external_doc)] - -#[doc(include = "../README.md")] +#[doc = include_str!("../README.md")] #[cfg(doctest)] pub struct ReadmeDoctests; ``` diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md index 28b81a40265..e9b15666bb3 100644 --- a/src/doc/rustdoc/src/unstable-features.md +++ b/src/doc/rustdoc/src/unstable-features.md @@ -131,22 +131,6 @@ Book][unstable-masked] and [its tracking issue][issue-masked]. [unstable-masked]: ../unstable-book/language-features/doc-masked.html [issue-masked]: https://github.com/rust-lang/rust/issues/44027 -### Include external files as API documentation - -As designed in [RFC 1990], Rustdoc can read an external file to use as a type's documentation. This -is useful if certain documentation is so long that it would break the flow of reading the source. -Instead of writing it all inline, writing `#[doc(include = "sometype.md")]` will ask Rustdoc to -instead read that file and use it as if it were written inline. - -[RFC 1990]: https://github.com/rust-lang/rfcs/pull/1990 - -`#[doc(include = "...")]` currently requires the `#![feature(external_doc)]` feature gate. For more -information, see [its chapter in the Unstable Book][unstable-include] and [its tracking -issue][issue-include]. - -[unstable-include]: ../unstable-book/language-features/external-doc.html -[issue-include]: https://github.com/rust-lang/rust/issues/44732 - ## Unstable command-line arguments These features are enabled by passing a command-line flag to Rustdoc, but the flags in question are diff --git a/src/doc/unstable-book/src/compiler-flags/force-warns.md b/src/doc/unstable-book/src/compiler-flags/force-warns.md new file mode 100644 index 00000000000..0a205be096c --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/force-warns.md @@ -0,0 +1,21 @@ +# `force-warns` + +The tracking issue for this feature is: [#85512](https://github.com/rust-lang/rust/issues/85512). + +------------------------ + +This feature allows you to cause any lint to produce a warning even if the lint has a different level by default or another level is set somewhere else. For instance, the `force-warns` option can be used to make a lint (e.g., `dead_code`) produce a warning even if that lint is allowed in code with `#![allow(dead_code)]`. + +## Example + +```rust,ignore (partial-example) +#![allow(dead_code)] + +fn dead_function() {} +// This would normally not produce a warning even though the +// function is not used, because dead code is being allowed + +fn main() {} +``` + +We can force a warning to be produced by providing `--force-warns dead_code` to rustc. diff --git a/src/doc/unstable-book/src/language-features/external-doc.md b/src/doc/unstable-book/src/language-features/external-doc.md deleted file mode 100644 index effae5d2999..00000000000 --- a/src/doc/unstable-book/src/language-features/external-doc.md +++ /dev/null @@ -1,40 +0,0 @@ -# `external_doc` - -The tracking issue for this feature is: [#44732] - -The `external_doc` feature allows the use of the `include` parameter to the `#[doc]` attribute, to -include external files in documentation. Use the attribute in place of, or in addition to, regular -doc comments and `#[doc]` attributes, and `rustdoc` will load the given file when it renders -documentation for your crate. - -With the following files in the same directory: - -`external-doc.md`: - -```markdown -# My Awesome Type - -This is the documentation for this spectacular type. -``` - -`lib.rs`: - -```no_run (needs-external-files) -#![feature(external_doc)] - -#[doc(include = "external-doc.md")] -pub struct MyAwesomeType; -``` - -`rustdoc` will load the file `external-doc.md` and use it as the documentation for the `MyAwesomeType` -struct. - -When locating files, `rustdoc` will base paths in the `src/` directory, as if they were alongside the -`lib.rs` for your crate. So if you want a `docs/` folder to live alongside the `src/` directory, -start your paths with `../docs/` for `rustdoc` to properly find the file. - -This feature was proposed in [RFC #1990] and initially implemented in PR [#44781]. - -[#44732]: https://github.com/rust-lang/rust/issues/44732 -[RFC #1990]: https://github.com/rust-lang/rfcs/pull/1990 -[#44781]: https://github.com/rust-lang/rust/pull/44781 diff --git a/src/doc/unstable-book/src/library-features/asm.md b/src/doc/unstable-book/src/library-features/asm.md index 5503b3b4b32..03dbf4fb617 100644 --- a/src/doc/unstable-book/src/library-features/asm.md +++ b/src/doc/unstable-book/src/library-features/asm.md @@ -30,6 +30,7 @@ Inline assembly is currently supported on the following architectures: - Hexagon - MIPS32r2 and MIPS64r2 - wasm32 +- BPF ## Basic usage @@ -570,6 +571,8 @@ Here is the list of currently supported register classes: | PowerPC | `reg_nonzero` | | `r[1-31]` | `b` | | PowerPC | `freg` | `f[0-31]` | `f` | | wasm32 | `local` | None\* | `r` | +| BPF | `reg` | `r[0-10]` | `r` | +| BPF | `wreg` | `w[0-10]` | `w` | > **Note**: On x86 we treat `reg_byte` differently from `reg` because the compiler can allocate `al` and `ah` separately whereas `reg` reserves the whole register. > @@ -615,6 +618,8 @@ Each register class has constraints on which value types they can be used with. | PowerPC | `reg_nonzero` | None | `i8`, `i16`, `i32` | | PowerPC | `freg` | None | `f32`, `f64` | | wasm32 | `local` | None | `i8` `i16` `i32` `i64` `f32` `f64` | +| BPF | `reg` | None | `i8` `i16` `i32` `i64` | +| BPF | `wreg` | `alu32` | `i8` `i16` `i32` | > **Note**: For the purposes of the above table pointers, function pointers and `isize`/`usize` are treated as the equivalent integer type (`i16`/`i32`/`i64` depending on the target). @@ -674,6 +679,7 @@ Some registers have multiple names. These are all treated by the compiler as ide | Hexagon | `r29` | `sp` | | Hexagon | `r30` | `fr` | | Hexagon | `r31` | `lr` | +| BPF | `r[0-10]` | `w[0-10]` | Some registers cannot be used for input or output operands: diff --git a/src/etc/htmldocck.py b/src/etc/htmldocck.py index 2f7233685db..8647db5a45d 100644 --- a/src/etc/htmldocck.py +++ b/src/etc/htmldocck.py @@ -135,6 +135,8 @@ except NameError: unichr = chr +channel = os.environ["DOC_RUST_LANG_ORG_CHANNEL"] + class CustomHTMLParser(HTMLParser): """simplified HTML parser. @@ -270,6 +272,7 @@ def flatten(node): def normalize_xpath(path): + path = path.replace("{{channel}}", channel) if path.startswith('//'): return '.' + path # avoid warnings elif path.startswith('.//'): @@ -334,6 +337,7 @@ class CachedFiles(object): def check_string(data, pat, regexp): + pat = pat.replace("{{channel}}", channel) if not pat: return True # special case a presence testing elif regexp: diff --git a/src/etc/natvis/intrinsic.natvis b/src/etc/natvis/intrinsic.natvis index 030892a432b..89280149a03 100644 --- a/src/etc/natvis/intrinsic.natvis +++ b/src/etc/natvis/intrinsic.natvis @@ -149,4 +149,57 @@ <Synthetic Name="[...]"><DisplayString>...</DisplayString></Synthetic> </Expand> </Type> + <Type Name="enum$<*>"> + <Intrinsic Name="tag" Expression="variant0.variant$" /> + <DisplayString Condition="tag() == 0">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 1" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 2" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 3" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 4" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 5" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 6" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 7" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 8" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 9" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 10" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 11" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 12" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 13" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 14" Optional="true">{tag(),en}</DisplayString> + <DisplayString Condition="tag() == 15" Optional="true">{tag(),en}</DisplayString> + + <Expand> + <ExpandedItem Condition="tag() == 0">variant0</ExpandedItem> + <ExpandedItem Condition="tag() == 1" Optional="true">variant1</ExpandedItem> + <ExpandedItem Condition="tag() == 2" Optional="true">variant2</ExpandedItem> + <ExpandedItem Condition="tag() == 3" Optional="true">variant3</ExpandedItem> + <ExpandedItem Condition="tag() == 4" Optional="true">variant4</ExpandedItem> + <ExpandedItem Condition="tag() == 5" Optional="true">variant5</ExpandedItem> + <ExpandedItem Condition="tag() == 6" Optional="true">variant6</ExpandedItem> + <ExpandedItem Condition="tag() == 7" Optional="true">variant7</ExpandedItem> + <ExpandedItem Condition="tag() == 8" Optional="true">variant8</ExpandedItem> + <ExpandedItem Condition="tag() == 9" Optional="true">variant9</ExpandedItem> + <ExpandedItem Condition="tag() == 10" Optional="true">variant10</ExpandedItem> + <ExpandedItem Condition="tag() == 11" Optional="true">variant11</ExpandedItem> + <ExpandedItem Condition="tag() == 12" Optional="true">variant12</ExpandedItem> + <ExpandedItem Condition="tag() == 13" Optional="true">variant13</ExpandedItem> + <ExpandedItem Condition="tag() == 14" Optional="true">variant14</ExpandedItem> + <ExpandedItem Condition="tag() == 15" Optional="true">variant15</ExpandedItem> + </Expand> + </Type> + + <!-- $T1 is the name of the enum, $T2 is the low value of the dataful variant tag, + $T3 is the high value of the dataful variant tag, $T4 is the name of the dataful variant --> + <Type Name="enum$<*, *, *, *>"> + <Intrinsic Name="tag" Expression="discriminant" /> + <Intrinsic Name="is_dataful" Expression="tag() >= $T2 && tag() <= $T3" /> + <DisplayString Condition="is_dataful()">{"$T4",sb}({dataful_variant})</DisplayString> + <DisplayString Condition="!is_dataful()">{discriminant,en}</DisplayString> + <Expand> + <ExpandedItem Condition="is_dataful()">dataful_variant</ExpandedItem> + <Synthetic Condition="is_dataful()" Name="[variant]"> + <DisplayString>{"$T4",sb}</DisplayString> + </Synthetic> + </Expand> + </Type> </AutoVisualizer> diff --git a/src/etc/natvis/libcore.natvis b/src/etc/natvis/libcore.natvis index 9c3c26f5978..17667770520 100644 --- a/src/etc/natvis/libcore.natvis +++ b/src/etc/natvis/libcore.natvis @@ -14,14 +14,6 @@ </Expand> </Type> - <Type Name="core::option::Option<*>"> - <DisplayString Condition="RUST$ENUM$DISR == 0x0">None</DisplayString> - <DisplayString Condition="RUST$ENUM$DISR == 0x1">Some({__0})</DisplayString> - <Expand> - <Item Name="[value]" ExcludeView="simple" Condition="RUST$ENUM$DISR == 1">__0</Item> - </Expand> - </Type> - <Type Name="core::option::Option<*>" Priority="MediumLow"> <DisplayString Condition="*(void**)this == nullptr">None</DisplayString> <DisplayString>Some({($T1 *)this})</DisplayString> @@ -30,15 +22,6 @@ </Expand> </Type> - <Type Name="core::result::Result<*>"> - <DisplayString Condition="RUST$ENUM$DISR == 0x0">Ok({__0})</DisplayString> - <DisplayString Condition="RUST$ENUM$DISR == 0x1">Err({(*($T2*) &__0)})</DisplayString> - <Expand> - <Item Name="[value]" Condition="RUST$ENUM$DISR == 0x0">__0</Item> - <Item Name="[value]" Condition="RUST$ENUM$DISR == 0x1">(*($T2*) &__0)</Item> - </Expand> - </Type> - <Type Name="core::ptr::non_null::NonNull<*>"> <DisplayString>{(void*) pointer}</DisplayString> <Expand> diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index 35ff57f85a5..a3f63ea1046 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -664,7 +664,10 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> { } } GenericParamDefKind::Lifetime => {} - GenericParamDefKind::Const { .. } => {} + GenericParamDefKind::Const { ref mut default, .. } => { + // We never want something like `impl<const N: usize = 10>` + default.take(); + } } } diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index a14eefaf571..111827aacdf 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -527,7 +527,7 @@ fn build_static(cx: &mut DocContext<'_>, did: DefId, mutable: bool) -> clean::St } fn build_macro(cx: &mut DocContext<'_>, did: DefId, name: Symbol) -> clean::ItemKind { - let imported_from = cx.tcx.original_crate_name(did.krate); + let imported_from = cx.tcx.crate_name(did.krate); match cx.enter_resolver(|r| r.cstore().load_macro_untracked(did, cx.sess())) { LoadedMacro::MacroDef(def, _) => { let matchers: Vec<Span> = if let ast::ItemKind::MacroDef(ref def) = def.kind { diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 231f13adeb6..d1c18821ea6 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -445,11 +445,15 @@ impl Clean<GenericParamDef> for ty::GenericParamDef { }, ) } - ty::GenericParamDefKind::Const { .. } => ( + ty::GenericParamDefKind::Const { has_default, .. } => ( self.name, GenericParamDefKind::Const { did: self.def_id, ty: cx.tcx.type_of(self.def_id).clean(cx), + default: match has_default { + true => Some(cx.tcx.const_param_default(self.def_id).to_string()), + false => None, + }, }, ), }; @@ -487,12 +491,15 @@ impl Clean<GenericParamDef> for hir::GenericParam<'_> { synthetic, }, ), - hir::GenericParamKind::Const { ref ty, default: _ } => ( + hir::GenericParamKind::Const { ref ty, default } => ( self.name.ident().name, GenericParamDefKind::Const { did: cx.tcx.hir().local_def_id(self.hir_id).to_def_id(), ty: ty.clean(cx), - // FIXME(const_generics_defaults): add `default` field here for docs + default: default.map(|ct| { + let def_id = cx.tcx.hir().local_def_id(ct.hir_id); + ty::Const::from_anon_const(cx.tcx, def_id).to_string() + }), }, ), }; diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index de88e249b67..6a7c3f8caa4 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -499,7 +499,7 @@ impl Item { format!("{}/std/", s.trim_end_matches('/')) } Some(ExternalLocation::Unknown) | None => { - "https://doc.rust-lang.org/nightly/std/".to_string() + format!("{}/std/", crate::DOC_RUST_LANG_ORG_CHANNEL) } }; // This is a primitive so the url is done "by hand". @@ -526,7 +526,6 @@ impl Item { crate fn is_crate(&self) -> bool { self.is_mod() && self.def_id.as_real().map_or(false, |did| did.index == CRATE_DEF_INDEX) } - crate fn is_mod(&self) -> bool { self.type_() == ItemType::Module } @@ -810,7 +809,7 @@ impl AttributesExt for [ast::Attribute] { // #[doc(...)] if let Some(list) = attr.meta().as_ref().and_then(|mi| mi.meta_item_list()) { for item in list { - // #[doc(include)] + // #[doc(hidden)] if !item.has_name(sym::cfg) { continue; } @@ -895,9 +894,6 @@ crate enum DocFragmentKind { SugaredDoc, /// A doc fragment created from a "raw" `#[doc=""]` attribute. RawDoc, - /// A doc fragment created from a `#[doc(include="filename")]` attribute. Contains both the - /// given filename and the file contents. - Include { filename: Symbol }, } // The goal of this function is to apply the `DocFragment` transformations that are required when @@ -931,18 +927,8 @@ impl<'a> FromIterator<&'a DocFragment> for String { where T: IntoIterator<Item = &'a DocFragment>, { - let mut prev_kind: Option<DocFragmentKind> = None; iter.into_iter().fold(String::new(), |mut acc, frag| { - if !acc.is_empty() - && prev_kind - .take() - .map(|p| matches!(p, DocFragmentKind::Include { .. }) && p != frag.kind) - .unwrap_or(false) - { - acc.push('\n'); - } add_doc_fragment(&mut acc, &frag); - prev_kind = Some(frag.kind); acc }) } @@ -989,45 +975,6 @@ impl Attributes { self.other_attrs.lists(name) } - /// Reads a `MetaItem` from within an attribute, looks for whether it is a - /// `#[doc(include="file")]`, and returns the filename and contents of the file as loaded from - /// its expansion. - crate fn extract_include(mi: &ast::MetaItem) -> Option<(Symbol, Symbol)> { - mi.meta_item_list().and_then(|list| { - for meta in list { - if meta.has_name(sym::include) { - // the actual compiled `#[doc(include="filename")]` gets expanded to - // `#[doc(include(file="filename", contents="file contents")]` so we need to - // look for that instead - return meta.meta_item_list().and_then(|list| { - let mut filename: Option<Symbol> = None; - let mut contents: Option<Symbol> = None; - - for it in list { - if it.has_name(sym::file) { - if let Some(name) = it.value_str() { - filename = Some(name); - } - } else if it.has_name(sym::contents) { - if let Some(docs) = it.value_str() { - contents = Some(docs); - } - } - } - - if let (Some(filename), Some(contents)) = (filename, contents) { - Some((filename, contents)) - } else { - None - } - }); - } - } - - None - }) - } - crate fn has_doc_flag(&self, flag: Symbol) -> bool { for attr in &self.other_attrs { if !attr.has_name(sym::doc) { @@ -1051,18 +998,9 @@ impl Attributes { let mut doc_strings: Vec<DocFragment> = vec![]; let mut doc_line = 0; - fn update_need_backline(doc_strings: &mut Vec<DocFragment>, frag: &DocFragment) { + fn update_need_backline(doc_strings: &mut Vec<DocFragment>) { if let Some(prev) = doc_strings.last_mut() { - if matches!(prev.kind, DocFragmentKind::Include { .. }) - || prev.kind != frag.kind - || prev.parent_module != frag.parent_module - { - // add a newline for extra padding between segments - prev.need_backline = prev.kind == DocFragmentKind::SugaredDoc - || prev.kind == DocFragmentKind::RawDoc - } else { - prev.need_backline = true; - } + prev.need_backline = true; } } @@ -1088,31 +1026,12 @@ impl Attributes { indent: 0, }; - update_need_backline(&mut doc_strings, &frag); + update_need_backline(&mut doc_strings); doc_strings.push(frag); None } else { - if attr.has_name(sym::doc) { - if let Some(mi) = attr.meta() { - if let Some((filename, contents)) = Attributes::extract_include(&mi) { - let line = doc_line; - doc_line += contents.as_str().lines().count(); - let frag = DocFragment { - line, - span: attr.span, - doc: contents, - kind: DocFragmentKind::Include { filename }, - parent_module, - need_backline: false, - indent: 0, - }; - update_need_backline(&mut doc_strings, &frag); - doc_strings.push(frag); - } - } - } Some(attr.clone()) } }; @@ -1138,10 +1057,7 @@ impl Attributes { let mut out = String::new(); add_doc_fragment(&mut out, &ori); while let Some(new_frag) = iter.next() { - if matches!(ori.kind, DocFragmentKind::Include { .. }) - || new_frag.kind != ori.kind - || new_frag.parent_module != ori.parent_module - { + if new_frag.kind != ori.kind || new_frag.parent_module != ori.parent_module { break; } add_doc_fragment(&mut out, &new_frag); @@ -1304,6 +1220,7 @@ crate enum GenericParamDefKind { Const { did: DefId, ty: Type, + default: Option<String>, }, } @@ -1768,37 +1685,6 @@ impl PrimitiveType { } } - crate fn as_str(&self) -> &'static str { - use self::PrimitiveType::*; - match *self { - Isize => "isize", - I8 => "i8", - I16 => "i16", - I32 => "i32", - I64 => "i64", - I128 => "i128", - Usize => "usize", - U8 => "u8", - U16 => "u16", - U32 => "u32", - U64 => "u64", - U128 => "u128", - F32 => "f32", - F64 => "f64", - Str => "str", - Bool => "bool", - Char => "char", - Array => "array", - Slice => "slice", - Tuple => "tuple", - Unit => "unit", - RawPointer => "pointer", - Reference => "reference", - Fn => "fn", - Never => "never", - } - } - crate fn impls(&self, tcx: TyCtxt<'_>) -> &'static ArrayVec<DefId, 4> { Self::all_impls(tcx).get(self).expect("missing impl for primitive type") } @@ -1861,10 +1747,6 @@ impl PrimitiveType { }) } - crate fn to_url_str(&self) -> &'static str { - self.as_str() - } - crate fn as_sym(&self) -> Symbol { use PrimitiveType::*; match self { diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 2c31a502565..706a56fbcbf 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -2,7 +2,7 @@ use crate::clean::auto_trait::AutoTraitFinder; use crate::clean::blanket_impl::BlanketImplFinder; use crate::clean::{ inline, Clean, Crate, Generic, GenericArg, GenericArgs, ImportSource, Item, ItemKind, Lifetime, - MacroKind, Path, PathSegment, Primitive, PrimitiveType, ResolvedPath, Type, TypeBinding, + Path, PathSegment, Primitive, PrimitiveType, ResolvedPath, Type, TypeBinding, }; use crate::core::DocContext; use crate::formats::item_type::ItemType; @@ -451,35 +451,48 @@ crate fn get_auto_trait_and_blanket_impls( auto_impls.into_iter().chain(blanket_impls) } +/// If `res` has a documentation page associated, store it in the cache. +/// +/// This is later used by [`href()`] to determine the HTML link for the item. +/// +/// [`href()`]: crate::html::format::href crate fn register_res(cx: &mut DocContext<'_>, res: Res) -> DefId { + use DefKind::*; debug!("register_res({:?})", res); let (did, kind) = match res { - Res::Def(DefKind::Fn, i) => (i, ItemType::Function), - Res::Def(DefKind::TyAlias, i) => (i, ItemType::Typedef), - Res::Def(DefKind::Enum, i) => (i, ItemType::Enum), - Res::Def(DefKind::Trait, i) => (i, ItemType::Trait), Res::Def(DefKind::AssocTy | DefKind::AssocFn | DefKind::AssocConst, i) => { + // associated items are documented, but on the page of their parent (cx.tcx.parent(i).unwrap(), ItemType::Trait) } - Res::Def(DefKind::Struct, i) => (i, ItemType::Struct), - Res::Def(DefKind::Union, i) => (i, ItemType::Union), - Res::Def(DefKind::Mod, i) => (i, ItemType::Module), - Res::Def(DefKind::ForeignTy, i) => (i, ItemType::ForeignType), - Res::Def(DefKind::Const, i) => (i, ItemType::Constant), - Res::Def(DefKind::Static, i) => (i, ItemType::Static), Res::Def(DefKind::Variant, i) => { + // variant items are documented, but on the page of their parent (cx.tcx.parent(i).expect("cannot get parent def id"), ItemType::Enum) } - Res::Def(DefKind::Macro(mac_kind), i) => match mac_kind { - MacroKind::Bang => (i, ItemType::Macro), - MacroKind::Attr => (i, ItemType::ProcAttribute), - MacroKind::Derive => (i, ItemType::ProcDerive), - }, - Res::Def(DefKind::TraitAlias, i) => (i, ItemType::TraitAlias), - Res::SelfTy(Some(def_id), _) => (def_id, ItemType::Trait), - Res::SelfTy(_, Some((impl_def_id, _))) => return impl_def_id, - _ => return res.def_id(), + // Each of these have their own page. + Res::Def( + kind + @ + (Fn | TyAlias | Enum | Trait | Struct | Union | Mod | ForeignTy | Const | Static + | Macro(..) | TraitAlias), + i, + ) => (i, kind.into()), + // This is part of a trait definition; document the trait. + Res::SelfTy(Some(trait_def_id), _) => (trait_def_id, ItemType::Trait), + // This is an inherent impl; it doesn't have its own page. + Res::SelfTy(None, Some((impl_def_id, _))) => return impl_def_id, + Res::SelfTy(None, None) + | Res::PrimTy(_) + | Res::ToolMod + | Res::SelfCtor(_) + | Res::Local(_) + | Res::NonMacroAttr(_) + | Res::Err => return res.def_id(), + Res::Def( + TyParam | ConstParam | Ctor(..) | ExternCrate | Use | ForeignMod | AnonConst | OpaqueTy + | Field | LifetimeParam | GlobalAsm | Impl | Closure | Generator, + id, + ) => return id, }; if did.is_local() { return did; @@ -543,3 +556,9 @@ crate fn has_doc_flag(attrs: ty::Attributes<'_>, flag: Symbol) -> bool { && attr.meta_item_list().map_or(false, |l| rustc_attr::list_contains_name(&l, flag)) }) } + +/// A link to `doc.rust-lang.org` that includes the channel name. Use this instead of manual links +/// so that the channel is consistent. +/// +/// Set by `bootstrap::Builder::doc_rust_lang_org_channel` in order to keep tests passing on beta/stable. +crate const DOC_RUST_LANG_ORG_CHANNEL: &'static str = env!("DOC_RUST_LANG_ORG_CHANNEL"); diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 90b37338216..1b5a00dde59 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -628,7 +628,8 @@ impl Options { let generate_redirect_map = matches.opt_present("generate-redirect-map"); let show_type_layout = matches.opt_present("show-type-layout"); - let (lint_opts, describe_lints, lint_cap) = get_cmd_lint_options(matches, error_format); + let (lint_opts, describe_lints, lint_cap, _) = + get_cmd_lint_options(matches, error_format, &debugging_opts); Ok(Options { input, diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 3dd13a8f170..c3d9c4ea7f2 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -217,8 +217,9 @@ crate fn create_config( // By default, rustdoc ignores all lints. // Specifically unblock lints relevant to documentation or the lint machinery itself. let mut lints_to_show = vec![ - // it's unclear whether this should be part of rustdoc directly (#77364) + // it's unclear whether these should be part of rustdoc directly (#77364) rustc_lint::builtin::MISSING_DOCS.name.to_string(), + rustc_lint::builtin::INVALID_DOC_ATTRIBUTES.name.to_string(), // these are definitely not part of rustdoc, but we want to warn on them anyway. rustc_lint::builtin::RENAMED_AND_REMOVED_LINTS.name.to_string(), rustc_lint::builtin::UNKNOWN_LINTS.name.to_string(), @@ -399,15 +400,18 @@ crate fn run_global_ctxt( let mut krate = tcx.sess.time("clean_crate", || clean::krate(&mut ctxt)); if krate.module.doc_value().map(|d| d.is_empty()).unwrap_or(true) { - let help = "The following guide may be of use:\n\ - https://doc.rust-lang.org/nightly/rustdoc/how-to-write-documentation.html"; + let help = format!( + "The following guide may be of use:\n\ + {}/rustdoc/how-to-write-documentation.html", + crate::DOC_RUST_LANG_ORG_CHANNEL + ); tcx.struct_lint_node( crate::lint::MISSING_CRATE_LEVEL_DOCS, DocContext::as_local_hir_id(tcx, krate.module.def_id).unwrap(), |lint| { let mut diag = lint.build("no documentation found for this crate's top-level module"); - diag.help(help); + diag.help(&help); diag.emit(); }, ); diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 3a4d39e1d7f..88e2f6048e9 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -880,6 +880,7 @@ impl Tester for Collector { let target = self.options.target.clone(); let target_str = target.to_string(); let unused_externs = self.unused_extern_reports.clone(); + let no_run = config.no_run || options.no_run; if !config.compile_fail { self.compiling_test_count.fetch_add(1, Ordering::SeqCst); } @@ -941,13 +942,16 @@ impl Tester for Collector { // compiler failures are test failures should_panic: testing::ShouldPanic::No, allow_fail: config.allow_fail, + #[cfg(not(bootstrap))] + compile_fail: config.compile_fail, + #[cfg(not(bootstrap))] + no_run, test_type: testing::TestType::DocTest, }, testfn: testing::DynTestFn(box move || { let report_unused_externs = |uext| { unused_externs.lock().unwrap().push(uext); }; - let no_run = config.no_run || options.no_run; let res = run_test( &test, &cratename, diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 3c1d03a78f1..918a5cb5094 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -177,12 +177,22 @@ impl clean::GenericParamDef { Ok(()) } - clean::GenericParamDefKind::Const { ref ty, .. } => { + clean::GenericParamDefKind::Const { ref ty, ref default, .. } => { if f.alternate() { - write!(f, "const {}: {:#}", self.name, ty.print(cx)) + write!(f, "const {}: {:#}", self.name, ty.print(cx))?; } else { - write!(f, "const {}: {}", self.name, ty.print(cx)) + write!(f, "const {}: {}", self.name, ty.print(cx))?; } + + if let Some(default) = default { + if f.alternate() { + write!(f, " = {:#}", default)?; + } else { + write!(f, " = {}", default)?; + } + } + + Ok(()) } }) } @@ -574,7 +584,7 @@ fn primitive_link( f, "<a class=\"primitive\" href=\"{}primitive.{}.html\">", "../".repeat(len), - prim.to_url_str() + prim.as_sym() )?; needs_termination = true; } @@ -603,7 +613,7 @@ fn primitive_link( f, "<a class=\"primitive\" href=\"{}/primitive.{}.html\">", loc.join("/"), - prim.to_url_str() + prim.as_sym() )?; needs_termination = true; } @@ -677,7 +687,7 @@ fn fmt_type<'cx>( fmt::Display::fmt(&tybounds(param_names, cx), f) } clean::Infer => write!(f, "_"), - clean::Primitive(prim) => primitive_link(f, prim, prim.as_str(), cx), + clean::Primitive(prim) => primitive_link(f, prim, &*prim.as_sym().as_str(), cx), clean::BareFunction(ref decl) => { if f.alternate() { write!( diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs index ec04c94dc11..d2d1757b900 100644 --- a/src/librustdoc/html/layout.rs +++ b/src/librustdoc/html/layout.rs @@ -87,7 +87,7 @@ crate fn render<T: Print, S: Print>( {sidebar}\ </nav>\ <div class=\"theme-picker\">\ - <button id=\"theme-picker\" aria-label=\"Pick another theme!\" aria-haspopup=\"menu\">\ + <button id=\"theme-picker\" aria-label=\"Pick another theme!\" aria-haspopup=\"menu\" title=\"themes\">\ <img src=\"{static_root_path}brush{suffix}.svg\" \ width=\"18\" height=\"18\" \ alt=\"Pick another theme!\">\ @@ -105,8 +105,8 @@ crate fn render<T: Print, S: Print>( placeholder=\"Click or press ‘S’ to search, ‘?’ for more options…\" \ type=\"search\">\ </div>\ - <button type=\"button\" id=\"help-button\">?</button> - <a id=\"settings-menu\" href=\"{root_path}settings.html\">\ + <button type=\"button\" id=\"help-button\" title=\"help\">?</button>\ + <a id=\"settings-menu\" href=\"{root_path}settings.html\" title=\"settings\">\ <img src=\"{static_root_path}wheel{suffix}.svg\" \ width=\"18\" height=\"18\" \ alt=\"Change settings\">\ @@ -119,7 +119,7 @@ crate fn render<T: Print, S: Print>( {after_content}\ <div id=\"rustdoc-vars\" data-root-path=\"{root_path}\" data-current-crate=\"{krate}\" \ data-search-index-js=\"{root_path}search-index{suffix}.js\" \ - data-search-js=\"{static_root_path}search{suffix}.js\"></div> + data-search-js=\"{static_root_path}search{suffix}.js\"></div>\ <script src=\"{static_root_path}main{suffix}.js\"></script>\ {extra_scripts}\ </body>\ @@ -161,7 +161,7 @@ crate fn render<T: Print, S: Print>( } }, title = page.title, - description = page.description, + description = Escape(page.description), keywords = page.keywords, favicon = if layout.favicon.is_empty() { format!( @@ -235,6 +235,7 @@ crate fn redirect(url: &str) -> String { <html lang="en"> <head> <meta http-equiv="refresh" content="0;URL={url}"> + <title>Redirection</title> </head> <body> <p>Redirecting to <a href="{url}">{url}</a>...</p> diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index 8676efd9fa8..d80b2db00ac 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -200,8 +200,15 @@ impl<'tcx> Context<'tcx> { ) }; let keywords = make_item_keywords(it); + let name; + let tyname_s = if it.is_crate() { + name = format!("{} crate", tyname); + name.as_str() + } else { + tyname.as_str() + }; let page = layout::Page { - css_class: tyname.as_str(), + css_class: tyname_s, root_path: &self.root_path(), static_root_path: self.shared.static_root_path.as_deref(), title: &title, diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index fa63286e4f5..2e940a31c2a 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -322,7 +322,13 @@ impl AllTypes { if !e.is_empty() { let mut e: Vec<&ItemEntry> = e.iter().collect(); e.sort(); - write!(f, "<h3 id=\"{}\">{}</h3><ul class=\"{} docblock\">", title, title, class); + write!( + f, + "<h3 id=\"{}\">{}</h3><ul class=\"{} docblock\">", + title.replace(' ', "-"), // IDs cannot contain whitespaces. + title, + class + ); for s in e.iter() { write!(f, "<li>{}</li>", s.print()); @@ -346,7 +352,7 @@ impl AllTypes { </h1>", ); // Note: print_entries does not escape the title, because we know the current set of titles - // don't require escaping. + // doesn't require escaping. print_entries(f, &self.structs, "Structs", "structs"); print_entries(f, &self.enums, "Enums", "enums"); print_entries(f, &self.unions, "Unions", "unions"); @@ -1280,7 +1286,6 @@ fn render_impl( // in documentation pages for trait with automatic implementations like "Send" and "Sync". aliases: &[String], ) { - let tcx = cx.tcx(); let cache = cx.cache(); let traits = &cache.traits; let trait_ = i.trait_did_full(cache).map(|did| &traits[&did]); @@ -1369,7 +1374,11 @@ fn render_impl( }) }) .map(|item| format!("{}.{}", item.type_(), name)); - write!(w, "<h4 id=\"{}\" class=\"{}{}\">", id, item_type, in_trait_class,); + write!( + w, + "<div id=\"{}\" class=\"{}{} has-srclink\">", + id, item_type, in_trait_class, + ); w.write_str("<code>"); render_assoc_item( w, @@ -1388,13 +1397,17 @@ fn render_impl( ); write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id); write_srclink(cx, item, w); - w.write_str("</h4>"); + w.write_str("</div>"); } } clean::TypedefItem(ref tydef, _) => { let source_id = format!("{}.{}", ItemType::AssocType, name); let id = cx.derive_id(source_id.clone()); - write!(w, "<h4 id=\"{}\" class=\"{}{}\"><code>", id, item_type, in_trait_class); + write!( + w, + "<div id=\"{}\" class=\"{}{} has-srclink\"><code>", + id, item_type, in_trait_class + ); assoc_type( w, item, @@ -1406,12 +1419,16 @@ fn render_impl( ); w.write_str("</code>"); write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id); - w.write_str("</h4>"); + w.write_str("</div>"); } clean::AssocConstItem(ref ty, ref default) => { let source_id = format!("{}.{}", item_type, name); let id = cx.derive_id(source_id.clone()); - write!(w, "<h4 id=\"{}\" class=\"{}{}\"><code>", id, item_type, in_trait_class); + write!( + w, + "<div id=\"{}\" class=\"{}{} has-srclink\"><code>", + id, item_type, in_trait_class + ); assoc_const( w, item, @@ -1431,12 +1448,12 @@ fn render_impl( ); write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id); write_srclink(cx, item, w); - w.write_str("</h4>"); + w.write_str("</div>"); } clean::AssocTypeItem(ref bounds, ref default) => { let source_id = format!("{}.{}", item_type, name); let id = cx.derive_id(source_id.clone()); - write!(w, "<h4 id=\"{}\" class=\"{}{}\"><code>", id, item_type, in_trait_class); + write!(w, "<div id=\"{}\" class=\"{}{}\"><code>", id, item_type, in_trait_class,); assoc_type( w, item, @@ -1448,7 +1465,7 @@ fn render_impl( ); w.write_str("</code>"); write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id); - w.write_str("</h4>"); + w.write_str("</div>"); } clean::StrippedItem(..) => return, _ => panic!("can't make docs for trait item with name {:?}", item.name), @@ -1540,92 +1557,34 @@ fn render_impl( ); } } - let toggled = !impl_items.is_empty() || !default_impl_items.is_empty(); - let open_details = |close_tags: &mut String, is_collapsed: bool| { + if render_mode == RenderMode::Normal { + let is_implementing_trait = i.inner_impl().trait_.is_some(); + let toggled = !impl_items.is_empty() || !default_impl_items.is_empty(); if toggled { close_tags.insert_str(0, "</details>"); - if is_collapsed { - "<details class=\"rustdoc-toggle implementors-toggle\"><summary>" + if is_implementing_trait { + write!(w, "<details class=\"rustdoc-toggle implementors-toggle\">"); } else { - "<details class=\"rustdoc-toggle implementors-toggle\" open><summary>" + write!(w, "<details class=\"rustdoc-toggle implementors-toggle\" open>"); } - } else { - "" } - }; - if render_mode == RenderMode::Normal { - let is_implementing_trait; - let id = cx.derive_id(match i.inner_impl().trait_ { - Some(ref t) => { - is_implementing_trait = true; - if is_on_foreign_type { - get_id_for_impl_on_foreign_type(&i.inner_impl().for_, t, cx) - } else { - format!("impl-{}", small_url_encode(format!("{:#}", t.print(cx)))) - } - } - None => { - is_implementing_trait = false; - "impl".to_string() - } - }); - let aliases = if aliases.is_empty() { - String::new() - } else { - format!(" data-aliases=\"{}\"", aliases.join(",")) - }; - if let Some(use_absolute) = use_absolute { - write!( - w, - "{}<h3 id=\"{}\" class=\"impl\"{}><code class=\"in-band\">", - open_details(&mut close_tags, is_implementing_trait), - id, - aliases - ); - write!(w, "{}", i.inner_impl().print(use_absolute, cx)); - if show_def_docs { - for it in &i.inner_impl().items { - if let clean::TypedefItem(ref tydef, _) = *it.kind { - w.write_str("<span class=\"where fmt-newline\"> "); - assoc_type( - w, - it, - &[], - Some(&tydef.type_), - AssocItemLink::Anchor(None), - "", - cx, - ); - w.write_str(";</span>"); - } - } - } - w.write_str("</code>"); - } else { - write!( - w, - "{}<h3 id=\"{}\" class=\"impl\"{}><code class=\"in-band\">{}</code>", - open_details(&mut close_tags, is_implementing_trait), - id, - aliases, - i.inner_impl().print(false, cx) - ); + if toggled { + write!(w, "<summary>") } - write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id); - render_stability_since_raw( + render_impl_summary( w, - i.impl_item.stable_since(tcx).as_deref(), - i.impl_item.const_stable_since(tcx).as_deref(), + cx, + i, outer_version, outer_const_version, + show_def_docs, + use_absolute, + is_on_foreign_type, + aliases, ); - write_srclink(cx, &i.impl_item, w); - if !toggled { - w.write_str("</h3>"); - } else { - w.write_str("</h3></summary>"); + if toggled { + write!(w, "</summary>") } - if trait_.is_some() { if let Some(portability) = portability(&i.impl_item, Some(parent)) { write!(w, "<div class=\"item-info\">{}</div>", portability); @@ -1649,13 +1608,84 @@ fn render_impl( ); } } - w.write_str("<div class=\"impl-items\">"); - w.push_buffer(default_impl_items); - w.push_buffer(impl_items); - close_tags.insert_str(0, "</div>"); + if !default_impl_items.is_empty() || !impl_items.is_empty() { + w.write_str("<div class=\"impl-items\">"); + w.push_buffer(default_impl_items); + w.push_buffer(impl_items); + close_tags.insert_str(0, "</div>"); + } w.write_str(&close_tags); } +fn render_impl_summary( + w: &mut Buffer, + cx: &Context<'_>, + i: &Impl, + outer_version: Option<&str>, + outer_const_version: Option<&str>, + show_def_docs: bool, + use_absolute: Option<bool>, + is_on_foreign_type: bool, + // This argument is used to reference same type with different paths to avoid duplication + // in documentation pages for trait with automatic implementations like "Send" and "Sync". + aliases: &[String], +) { + let tcx = cx.tcx(); + let id = cx.derive_id(match i.inner_impl().trait_ { + Some(ref t) => { + if is_on_foreign_type { + get_id_for_impl_on_foreign_type(&i.inner_impl().for_, t, cx) + } else { + format!("impl-{}", small_url_encode(format!("{:#}", t.print(cx)))) + } + } + None => "impl".to_string(), + }); + let aliases = if aliases.is_empty() { + String::new() + } else { + format!(" data-aliases=\"{}\"", aliases.join(",")) + }; + if let Some(use_absolute) = use_absolute { + write!( + w, + "<div id=\"{}\" class=\"impl has-srclink\"{}>\ + <code class=\"in-band\">", + id, aliases + ); + write!(w, "{}", i.inner_impl().print(use_absolute, cx)); + if show_def_docs { + for it in &i.inner_impl().items { + if let clean::TypedefItem(ref tydef, _) = *it.kind { + w.write_str("<span class=\"where fmt-newline\"> "); + assoc_type(w, it, &[], Some(&tydef.type_), AssocItemLink::Anchor(None), "", cx); + w.write_str(";</span>"); + } + } + } + w.write_str("</code>"); + } else { + write!( + w, + "<div id=\"{}\" class=\"impl has-srclink\"{}>\ + <code class=\"in-band\">{}</code>", + id, + aliases, + i.inner_impl().print(false, cx) + ); + } + write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id); + render_stability_since_raw( + w, + i.impl_item.stable_since(tcx).as_deref(), + i.impl_item.const_stable_since(tcx).as_deref(), + outer_version, + outer_const_version, + ); + write_srclink(cx, &i.impl_item, w); + w.write_str("</div>"); +} + fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) { let parentlen = cx.current.len() - if it.is_mod() { 1 } else { 0 }; @@ -1697,7 +1727,7 @@ fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) { "<div class=\"block version\">\ <p>Version {}</p>\ </div>", - Escape(version) + Escape(version), ); } } @@ -1707,9 +1737,10 @@ fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) { write!( buffer, "<a id=\"all-types\" href=\"all.html\"><p>See all {}'s items</p></a>", - it.name.as_ref().expect("crates always have a name") + it.name.as_ref().expect("crates always have a name"), ); } + match *it.kind { clean::StructItem(ref s) => sidebar_struct(cx, buffer, it, s), clean::TraitItem(ref t) => sidebar_trait(cx, buffer, it, t), @@ -1719,7 +1750,7 @@ fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) { clean::TypedefItem(_, _) => sidebar_typedef(cx, buffer, it), clean::ModuleItem(ref m) => sidebar_module(buffer, &m.items), clean::ForeignTypeItem => sidebar_foreign_type(cx, buffer, it), - _ => (), + _ => {} } // The sidebar is designed to display sibling functions, modules and @@ -1730,22 +1761,24 @@ fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) { // as much HTML as possible in order to allow non-JS-enabled browsers // to navigate the documentation (though slightly inefficiently). - buffer.write_str("<p class=\"location\">"); - for (i, name) in cx.current.iter().take(parentlen).enumerate() { - if i > 0 { - buffer.write_str("::<wbr>"); + if !it.is_mod() { + buffer.write_str("<p class=\"location\">Other items in<br>"); + for (i, name) in cx.current.iter().take(parentlen).enumerate() { + if i > 0 { + buffer.write_str("::<wbr>"); + } + write!( + buffer, + "<a href=\"{}index.html\">{}</a>", + &cx.root_path()[..(cx.current.len() - i - 1) * 3], + *name + ); } - write!( - buffer, - "<a href=\"{}index.html\">{}</a>", - &cx.root_path()[..(cx.current.len() - i - 1) * 3], - *name - ); + buffer.write_str("</p>"); } - buffer.write_str("</p>"); // Sidebar refers to the enclosing module, not this module. - let relpath = if it.is_mod() { "../" } else { "" }; + let relpath = if it.is_mod() && parentlen != 0 { "./" } else { "" }; write!( buffer, "<div id=\"sidebar-vars\" data-name=\"{name}\" data-ty=\"{ty}\" data-relpath=\"{path}\">\ @@ -1754,17 +1787,7 @@ fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) { ty = it.type_(), path = relpath ); - - if parentlen == 0 { - write!( - buffer, - "<script defer src=\"{}sidebar-items{}.js\"></script>", - relpath, cx.shared.resource_suffix - ); - } else { - write!(buffer, "<script defer src=\"{}sidebar-items.js\"></script>", relpath); - } - + write!(buffer, "<script defer src=\"{}sidebar-items.js\"></script>", relpath); // Closes sidebar-elems div. buffer.write_str("</div>"); } @@ -2272,8 +2295,8 @@ fn sidebar_enum(cx: &Context<'_>, buf: &mut Buffer, it: &clean::Item, e: &clean: } } -fn item_ty_to_strs(ty: &ItemType) -> (&'static str, &'static str) { - match *ty { +fn item_ty_to_strs(ty: ItemType) -> (&'static str, &'static str) { + match ty { ItemType::ExternCrate | ItemType::Import => ("reexports", "Re-exports"), ItemType::Module => ("modules", "Modules"), ItemType::Struct => ("structs", "Structs"), @@ -2305,10 +2328,14 @@ fn item_ty_to_strs(ty: &ItemType) -> (&'static str, &'static str) { fn sidebar_module(buf: &mut Buffer, items: &[clean::Item]) { let mut sidebar = String::new(); + // Re-exports are handled a bit differently because they can be extern crates or imports. if items.iter().any(|it| { - it.type_() == ItemType::ExternCrate || (it.type_() == ItemType::Import && !it.is_stripped()) + it.name.is_some() + && (it.type_() == ItemType::ExternCrate + || (it.type_() == ItemType::Import && !it.is_stripped())) }) { - sidebar.push_str("<li><a href=\"#reexports\">Re-exports</a></li>"); + let (id, name) = item_ty_to_strs(ItemType::Import); + sidebar.push_str(&format!("<li><a href=\"#{}\">{}</a></li>", id, name)); } // ordering taken from item_module, reorder, where it prioritized elements in a certain order @@ -2335,13 +2362,9 @@ fn sidebar_module(buf: &mut Buffer, items: &[clean::Item]) { ItemType::ForeignType, ItemType::Keyword, ] { - if items.iter().any(|it| !it.is_stripped() && it.type_() == myty) { - let (short, name) = item_ty_to_strs(&myty); - sidebar.push_str(&format!( - "<li><a href=\"#{id}\">{name}</a></li>", - id = short, - name = name - )); + if items.iter().any(|it| !it.is_stripped() && it.type_() == myty && it.name.is_some()) { + let (id, name) = item_ty_to_strs(myty); + sidebar.push_str(&format!("<li><a href=\"#{}\">{}</a></li>", id, name)); } } diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index 42d7e9c8c93..04464b622d7 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -75,10 +75,10 @@ pub(super) fn print_item(cx: &Context<'_>, item: &clean::Item, buf: &mut Buffer, ); } } - write!(buf, "<a class=\"{}\" href=\"\">{}</a>", item.type_(), item.name.as_ref().unwrap()); + write!(buf, "<a class=\"{}\" href=\"#\">{}</a>", item.type_(), item.name.as_ref().unwrap()); write!( buf, - "<button id=\"copy-path\" onclick=\"copy_path(this)\">\ + "<button id=\"copy-path\" onclick=\"copy_path(this)\" title=\"copy path\">\ <img src=\"{static_root_path}clipboard{suffix}.svg\" \ width=\"19\" height=\"18\" \ alt=\"Copy item import\" \ @@ -263,7 +263,7 @@ fn item_module(w: &mut Buffer, cx: &Context<'_>, item: &clean::Item, items: &[cl w.write_str("</table>"); } curty = myty; - let (short, name) = item_ty_to_strs(&myty.unwrap()); + let (short, name) = item_ty_to_strs(myty.unwrap()); write!( w, "<h2 id=\"{id}\" class=\"section-header\">\ @@ -585,12 +585,12 @@ fn item_trait(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, t: &clean::Tra if toggled { write!(w, "<details class=\"rustdoc-toggle\" open><summary>"); } - write!(w, "<h3 id=\"{id}\" class=\"method\"><code>", id = id); + write!(w, "<div id=\"{}\" class=\"method has-srclink\"><code>", id); render_assoc_item(w, m, AssocItemLink::Anchor(Some(&id)), ItemType::Impl, cx); w.write_str("</code>"); render_stability_since(w, m, t, cx.tcx()); write_srclink(cx, m, w); - w.write_str("</h3>"); + w.write_str("</div>"); if toggled { write!(w, "</summary>"); w.push_buffer(content); diff --git a/src/librustdoc/html/render/write_shared.rs b/src/librustdoc/html/render/write_shared.rs index 73ffec0dd4e..a4188e6b203 100644 --- a/src/librustdoc/html/render/write_shared.rs +++ b/src/librustdoc/html/render/write_shared.rs @@ -227,7 +227,6 @@ pub(super) fn write_shared( )?; write_minify("search.js", static_files::SEARCH_JS)?; write_minify("settings.js", static_files::SETTINGS_JS)?; - write_minify("sidebar-items.js", static_files::sidebar::ITEMS)?; if cx.shared.include_sources { write_minify("source-script.js", static_files::sidebar::SOURCE_SCRIPT)?; diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js index a96b0c87108..1a15a444a70 100644 --- a/src/librustdoc/html/static/main.js +++ b/src/librustdoc/html/static/main.js @@ -561,41 +561,40 @@ function hideThemeButtonState() { } }()); - function addSidebarCrates(crates) { - // Draw a convenient sidebar of known crates if we have a listing - if (window.rootPath === "../" || window.rootPath === "./") { - var sidebar = document.getElementsByClassName("sidebar-elems")[0]; - if (sidebar) { - var div = document.createElement("div"); - div.className = "block crate"; - div.innerHTML = "<h3>Crates</h3>"; - var ul = document.createElement("ul"); - div.appendChild(ul); - - for (var i = 0; i < crates.length; ++i) { - var klass = "crate"; - if (window.rootPath !== "./" && crates[i] === window.currentCrate) { - klass += " current"; - } - var link = document.createElement("a"); - link.href = window.rootPath + crates[i] + "/index.html"; - link.className = klass; - link.textContent = crates[i]; - - var li = document.createElement("li"); - li.appendChild(link); - ul.appendChild(li); - } - sidebar.appendChild(div); - } - } - } - // delayed sidebar rendering. window.initSidebarItems = function(items) { var sidebar = document.getElementsByClassName("sidebar-elems")[0]; var current = window.sidebarCurrent; + function addSidebarCrates(crates) { + if (!hasClass(document.body, "crate")) { + // We only want to list crates on the crate page. + return; + } + // Draw a convenient sidebar of known crates if we have a listing + var div = document.createElement("div"); + div.className = "block crate"; + div.innerHTML = "<h3>Crates</h3>"; + var ul = document.createElement("ul"); + div.appendChild(ul); + + for (var i = 0; i < crates.length; ++i) { + var klass = "crate"; + if (window.rootPath !== "./" && crates[i] === window.currentCrate) { + klass += " current"; + } + var link = document.createElement("a"); + link.href = window.rootPath + crates[i] + "/index.html"; + link.className = klass; + link.textContent = crates[i]; + + var li = document.createElement("li"); + li.appendChild(link); + ul.appendChild(li); + } + sidebar.appendChild(div); + } + function block(shortty, longty) { var filtered = items[shortty]; if (!filtered) { @@ -634,28 +633,32 @@ function hideThemeButtonState() { ul.appendChild(li); } div.appendChild(ul); - if (sidebar) { - sidebar.appendChild(div); - } + sidebar.appendChild(div); } - block("primitive", "Primitive Types"); - block("mod", "Modules"); - block("macro", "Macros"); - block("struct", "Structs"); - block("enum", "Enums"); - block("union", "Unions"); - block("constant", "Constants"); - block("static", "Statics"); - block("trait", "Traits"); - block("fn", "Functions"); - block("type", "Type Definitions"); - block("foreigntype", "Foreign Types"); - block("keyword", "Keywords"); - block("traitalias", "Trait Aliases"); - - // `crates{version}.js` should always be loaded before this script, so we can use it safely. - addSidebarCrates(window.ALL_CRATES); + if (sidebar) { + var isModule = hasClass(document.body, "mod"); + if (!isModule) { + block("primitive", "Primitive Types"); + block("mod", "Modules"); + block("macro", "Macros"); + block("struct", "Structs"); + block("enum", "Enums"); + block("union", "Unions"); + block("constant", "Constants"); + block("static", "Statics"); + block("trait", "Traits"); + block("fn", "Functions"); + block("type", "Type Definitions"); + block("foreigntype", "Foreign Types"); + block("keyword", "Keywords"); + block("traitalias", "Trait Aliases"); + } + + // `crates{version}.js` should always be loaded before this script, so we can use + // it safely. + addSidebarCrates(window.ALL_CRATES); + } }; window.register_implementors = function(imp) { diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css index 2623ff27a25..d8684641a30 100644 --- a/src/librustdoc/html/static/rustdoc.css +++ b/src/librustdoc/html/static/rustdoc.css @@ -117,8 +117,7 @@ h2 { h3 { font-size: 1.3em; } -h1, h2, h3:not(.impl):not(.method):not(.type):not(.tymethod):not(.notable), -h4:not(.method):not(.type):not(.tymethod):not(.associatedconstant):not(.associatedtype) { +h1, h2, h3, h4 { font-weight: 500; margin: 20px 0 15px 0; padding-bottom: 6px; @@ -135,30 +134,38 @@ h1.fqn { h1.fqn > .in-band > a:hover { text-decoration: underline; } -h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), -h4:not(.method):not(.type):not(.tymethod):not(.associatedconstant):not(.associatedtype) { +h2, h3, h4 { border-bottom: 1px solid; } -h3.impl, h3.method, h4.method, h3.type, h4.type, h4.associatedconstant, h4.associatedtype { +.impl, .method, +.type:not(.container-rustdoc), .associatedconstant, +.associatedtype { flex-basis: 100%; font-weight: 600; margin-top: 16px; margin-bottom: 10px; position: relative; } -h3.impl, h3.method, h4.method.trait-impl, h3.type, -h4.type.trait-impl, h4.associatedconstant.trait-impl, h4.associatedtype.trait-impl { +.impl, .method.trait-impl, +.type.trait-impl, +.associatedconstant.trait-impl, +.associatedtype.trait-impl { padding-left: 15px; } +div.impl-items > div { + padding-left: 0; +} + h1, h2, h3, h4, .sidebar, a.source, .search-input, .search-results .result-name, .content table td:first-child > a, -div.item-list .out-of-band, +div.item-list .out-of-band, span.since, #source-sidebar, #sidebar-toggle, details.rustdoc-toggle > summary::before, details.undocumented > summary::before, -.content ul.crate a.crate, +div.impl-items > div:not(.docblock):not(.item-info), +.content ul.crate a.crate, a.srclink, /* This selector is for the items listed in the "all items" page. */ #main > ul.docblock > li > a { font-family: "Fira Sans", Arial, sans-serif; @@ -304,17 +311,18 @@ nav.sub { border: none; } -.location a:first-child { +.location a:first-of-type { font-weight: 500; } +.location a:hover { + text-decoration: underline; +} .block { padding: 0; margin-bottom: 14px; } .block h2, .block h3 { - margin-top: 0; - margin-bottom: 8px; text-align: center; } .block ul, .block li { @@ -462,15 +470,7 @@ nav.sub { font-weight: normal; } -h3.impl > .out-of-band { - font-size: 21px; -} - -h4.method > .out-of-band { - font-size: 19px; -} - -h4 > code, h3 > code, .invisible > code { +.method > code, .trait-impl > code, .invisible > code { max-width: calc(100% - 41px); display: block; } @@ -543,7 +543,7 @@ h4 > code, h3 > code, .invisible > code { } .content .multi-column li { width: 100%; display: inline-block; } -.content .method { +.content > .methods > .method { font-size: 1em; position: relative; } @@ -555,7 +555,7 @@ h4 > code, h3 > code, .invisible > code { font-size: 0.8em; } -.content .methods > div:not(.notable-traits):not(.methods) { +.content .methods > div:not(.notable-traits):not(.method) { margin-left: 40px; margin-bottom: 15px; } @@ -564,9 +564,6 @@ h4 > code, h3 > code, .invisible > code { margin-left: 20px; margin-top: -34px; } -.content .docblock > .impl-items > h4 { - border-bottom: 0; -} .content .docblock >.impl-items .table-display { margin: 0; } @@ -688,7 +685,8 @@ a { text-decoration: underline; } -.invisible > .srclink, h4 > code + .srclink, h3 > code + .srclink { +.invisible > .srclink, +.method > code + .srclink { position: absolute; top: 0; right: 0; @@ -802,6 +800,8 @@ a { .search-results .result-name > span { display: inline-block; + margin: 0; + font-weight: normal; } body.blur > :not(#help) { @@ -923,7 +923,7 @@ body.blur > :not(#help) { flex-grow: 1; } -.impl-items h4, h4.impl, h3.impl, .methods h3 { +.has-srclink { display: flex; flex-basis: 100%; font-size: 16px; @@ -1134,6 +1134,13 @@ a.test-arrow:hover{ margin: 0; } +.notable-traits .notable { + margin: 0; + margin-bottom: 13px; + font-size: 19px; + font-weight: 600; +} + .notable-traits .docblock code.content{ margin: 0; padding: 0; @@ -1197,12 +1204,6 @@ pre.rust { margin-left: 5px; } -h4 > .notable-traits { - position: absolute; - left: -44px; - top: 2px; -} - #all-types { text-align: center; border: 1px solid; @@ -1316,14 +1317,6 @@ h4 > .notable-traits { border-top: 1px solid; } - - -h3.notable { - margin: 0; - margin-bottom: 13px; - font-size: 19px; -} - kbd { display: inline-block; padding: 3px 5px; @@ -1615,10 +1608,6 @@ details.undocumented[open] > summary::before { padding: 0; } - .content h4 > .out-of-band { - position: inherit; - } - #search { margin-left: 0; } @@ -1638,7 +1627,7 @@ details.undocumented[open] > summary::before { z-index: 1; } - h4 > .notable-traits { + .notable-traits { position: absolute; left: -22px; top: 24px; diff --git a/src/librustdoc/html/static/search.js b/src/librustdoc/html/static/search.js index b3242bf4df9..35be246b5bf 100644 --- a/src/librustdoc/html/static/search.js +++ b/src/librustdoc/html/static/search.js @@ -1024,7 +1024,7 @@ window.initSearch = function(rawSearchIndex) { var description = document.createElement("div"); description.className = "desc"; var spanDesc = document.createElement("span"); - spanDesc.innerText = item.desc + "\u00A0"; + spanDesc.insertAdjacentHTML("beforeend", item.desc); description.appendChild(spanDesc); wrapper.appendChild(description); diff --git a/src/librustdoc/html/static/sidebar-items.js b/src/librustdoc/html/static/sidebar-items.js deleted file mode 100644 index 256cd2740a0..00000000000 --- a/src/librustdoc/html/static/sidebar-items.js +++ /dev/null @@ -1,2 +0,0 @@ -/* global initSidebarItems */ -initSidebarItems({}); diff --git a/src/librustdoc/html/static/themes/ayu.css b/src/librustdoc/html/static/themes/ayu.css index fd47c085b84..d220d8708a1 100644 --- a/src/librustdoc/html/static/themes/ayu.css +++ b/src/librustdoc/html/static/themes/ayu.css @@ -10,8 +10,7 @@ body { color: #c5c5c5; } -h1, h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), -h4:not(.method):not(.type):not(.tymethod) { +h1, h2, h3, h4 { color: white; } h1.fqn { @@ -20,10 +19,10 @@ h1.fqn { h1.fqn a { color: #fff; } -h2, h3:not(.impl):not(.method):not(.type):not(.tymethod) { +h2, h3, h4 { border-bottom-color: #5c6773; } -h4:not(.method):not(.type):not(.tymethod):not(.associatedconstant) { +h4 { border: none; } @@ -407,6 +406,10 @@ pre.ignore:hover, .information:hover + pre.ignore { border-color: #5c6773; } +.notable-traits-tooltiptext .notable { + border-bottom-color: #5c6773; +} + #titles > button.selected { background-color: #141920 !important; border-bottom: 1px solid #ffb44c !important; diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css index d6e1a880a4e..6385a763f2e 100644 --- a/src/librustdoc/html/static/themes/dark.css +++ b/src/librustdoc/html/static/themes/dark.css @@ -3,15 +3,13 @@ body { color: #ddd; } -h1, h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), -h4:not(.method):not(.type):not(.tymethod) { +h1, h2, h3, h4 { color: #ddd; } h1.fqn { border-bottom-color: #d2d2d2; } -h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), -h4:not(.method):not(.type):not(.tymethod) { +h2, h3, h4 { border-bottom-color: #d2d2d2; } @@ -356,6 +354,10 @@ pre.ignore:hover, .information:hover + pre.ignore { border-color: #777; } +.notable-traits-tooltiptext .notable { + border-bottom-color: #d2d2d2; +} + #titles > button:not(.selected) { background-color: #252525; border-top-color: #252525; diff --git a/src/librustdoc/html/static/themes/light.css b/src/librustdoc/html/static/themes/light.css index c8151f1cf97..c19d5bfc317 100644 --- a/src/librustdoc/html/static/themes/light.css +++ b/src/librustdoc/html/static/themes/light.css @@ -5,15 +5,13 @@ body { color: black; } -h1, h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), -h4:not(.method):not(.type):not(.tymethod) { +h1, h2, h3, h4 { color: black; } h1.fqn { border-bottom-color: #D5D5D5; } -h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), -h4:not(.method):not(.type):not(.tymethod) { +h2, h3, h4 { border-bottom-color: #DDDDDD; } @@ -348,6 +346,10 @@ pre.ignore:hover, .information:hover + pre.ignore { border-color: #999; } +.notable-traits-tooltiptext .notable { + border-bottom-color: #DDDDDD; +} + #titles > button:not(.selected) { background-color: #e6e6e6; border-top-color: #e6e6e6; diff --git a/src/librustdoc/html/static_files.rs b/src/librustdoc/html/static_files.rs index 0e4fb086a15..ca7e5ef8150 100644 --- a/src/librustdoc/html/static_files.rs +++ b/src/librustdoc/html/static_files.rs @@ -141,7 +141,4 @@ crate mod noto_sans_kr { crate mod sidebar { /// File script to handle sidebar. crate static SOURCE_SCRIPT: &str = include_str!("static/source-script.js"); - - /// Top Level sidebar items script which will load a sidebar without items. - crate static ITEMS: &str = include_str!("static/sidebar-items.js"); } diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index c6646ba9ae4..7086dd8c4d2 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -317,7 +317,9 @@ impl FromWithTcx<clean::GenericParamDefKind> for GenericParamDefKind { bounds: bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), default: default.map(|x| x.into_tcx(tcx)), }, - Const { did: _, ty } => GenericParamDefKind::Const(ty.into_tcx(tcx)), + Const { did: _, ty, default } => { + GenericParamDefKind::Const { ty: ty.into_tcx(tcx), default } + } } } } @@ -379,7 +381,7 @@ impl FromWithTcx<clean::Type> for Type { .unwrap_or_default(), }, Generic(s) => Type::Generic(s.to_string()), - Primitive(p) => Type::Primitive(p.as_str().to_string()), + Primitive(p) => Type::Primitive(p.as_sym().to_string()), BareFunction(f) => Type::FunctionPointer(Box::new((*f).into_tcx(tcx))), Tuple(t) => Type::Tuple(t.into_iter().map(|x| x.into_tcx(tcx)).collect()), Slice(t) => Type::Slice(Box::new((*t).into_tcx(tcx))), diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs index f8bd9710813..0d84bf250c9 100644 --- a/src/librustdoc/json/mod.rs +++ b/src/librustdoc/json/mod.rs @@ -234,7 +234,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { ) }) .collect(), - format_version: 5, + format_version: 6, }; let mut p = self.out_path.clone(); p.push(output.index.get(&output.root).unwrap().name.clone().unwrap()); diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index bf0be626356..ee7a716655b 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -81,6 +81,8 @@ use rustc_session::config::{make_crate_type_option, ErrorOutputType, RustcOptGro use rustc_session::getopts; use rustc_session::{early_error, early_warn}; +use crate::clean::utils::DOC_RUST_LANG_ORG_CHANNEL; + /// A macro to create a FxHashMap. /// /// Example: @@ -510,6 +512,14 @@ fn opts() -> Vec<RustcOptGroup> { "LEVEL", ) }), + unstable("force-warns", |o| { + o.optopt( + "", + "force-warns", + "Lints that will warn even if allowed somewhere else", + "LINTS", + ) + }), unstable("index-page", |o| { o.optopt("", "index-page", "Markdown file to be used as index page", "PATH") }), @@ -603,7 +613,10 @@ fn usage(argv0: &str) { } println!("{}", options.usage(&format!("{} [options] <input>", argv0))); println!(" @path Read newline separated options from `path`\n"); - println!("More information available at https://doc.rust-lang.org/rustdoc/what-is-rustdoc.html") + println!( + "More information available at {}/rustdoc/what-is-rustdoc.html", + DOC_RUST_LANG_ORG_CHANNEL + ); } /// A result type used by several functions under `main()`. diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 81c90f4eaa7..247a020f2a2 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -91,10 +91,10 @@ impl Res { } } - fn name(self, tcx: TyCtxt<'_>) -> String { + fn name(self, tcx: TyCtxt<'_>) -> Symbol { match self { - Res::Def(_, id) => tcx.item_name(id).to_string(), - Res::Primitive(prim) => prim.as_str().to_string(), + Res::Def(_, id) => tcx.item_name(id), + Res::Primitive(prim) => prim.as_sym(), } } @@ -388,7 +388,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { ty::AssocKind::Const => "associatedconstant", ty::AssocKind::Type => "associatedtype", }; - let fragment = format!("{}#{}.{}", prim_ty.as_str(), out, item_name); + let fragment = format!("{}#{}.{}", prim_ty.as_sym(), out, item_name); (Res::Primitive(prim_ty), fragment, Some((kind.as_def_kind(), item.def_id))) }) }) @@ -481,7 +481,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { AnchorFailure::RustdocAnchorConflict(res), )); } - return Ok((res, Some(ty.as_str().to_owned()))); + return Ok((res, Some(ty.as_sym().to_string()))); } _ => return Ok((res, extra_fragment.clone())), } @@ -1148,7 +1148,7 @@ impl LinkCollector<'_, '_> { return None; } res = prim; - fragment = Some(prim.name(self.cx.tcx)); + fragment = Some(prim.name(self.cx.tcx).to_string()); } else { // `[char]` when a `char` module is in scope let candidates = vec![res, prim]; @@ -1999,8 +1999,11 @@ fn disambiguator_error( ) { diag_info.link_range = disambiguator_range; report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, msg, &diag_info, |diag, _sp| { - let msg = "see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators"; - diag.note(msg); + let msg = format!( + "see {}/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators", + crate::DOC_RUST_LANG_ORG_CHANNEL + ); + diag.note(&msg); }); } diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index 191d8d5a2ea..b563c4f4799 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -9,6 +9,7 @@ use rustc_hir::Node; use rustc_middle::middle::privacy::AccessLevel; use rustc_middle::ty::TyCtxt; use rustc_span; +use rustc_span::def_id::LOCAL_CRATE; use rustc_span::source_map::Spanned; use rustc_span::symbol::{kw, sym, Symbol}; @@ -76,7 +77,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { &Spanned { span, node: hir::VisibilityKind::Public }, hir::CRATE_HIR_ID, &krate.item, - self.cx.tcx.crate_name, + self.cx.tcx.crate_name(LOCAL_CRATE), ); // Attach the crate's exported macros to the top-level module. // In the case of macros 2.0 (`pub macro`), and for built-in `derive`s or attributes as diff --git a/src/llvm-project b/src/llvm-project -Subproject 5f67a5715771b7d29e4713e8d68338602d216dc +Subproject 39c5555872cc5d379cc3535a31dc0cdac969466 diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs index 72a4d9a1830..6d9a5cb515a 100644 --- a/src/rustdoc-json-types/lib.rs +++ b/src/rustdoc-json-types/lib.rs @@ -324,7 +324,7 @@ pub struct GenericParamDef { pub enum GenericParamDefKind { Lifetime, Type { bounds: Vec<GenericBound>, default: Option<Type> }, - Const(Type), + Const { ty: Type, default: Option<String> }, } #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)] diff --git a/src/test/assembly/asm/bpf-types.rs b/src/test/assembly/asm/bpf-types.rs new file mode 100644 index 00000000000..cc3863d03cd --- /dev/null +++ b/src/test/assembly/asm/bpf-types.rs @@ -0,0 +1,154 @@ +// min-llvm-version: 10.0.1 +// assembly-output: emit-asm +// compile-flags: --target bpfel-unknown-none -C target_feature=+alu32 +// needs-llvm-components: bpf + +#![feature(no_core, lang_items, rustc_attrs, repr_simd)] +#![crate_type = "rlib"] +#![no_core] +#![allow(asm_sub_register, non_camel_case_types)] + +#[rustc_builtin_macro] +macro_rules! asm { + () => {}; +} +#[rustc_builtin_macro] +macro_rules! concat { + () => {}; +} +#[rustc_builtin_macro] +macro_rules! stringify { + () => {}; +} + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} + +type ptr = *const u64; + +impl Copy for i8 {} +impl Copy for i16 {} +impl Copy for i32 {} +impl Copy for i64 {} +impl Copy for ptr {} + +macro_rules! check { + ($func:ident $ty:ident $class:ident) => { + #[no_mangle] + pub unsafe fn $func(x: $ty) -> $ty { + let y; + asm!("{} = {}", out($class) y, in($class) x); + y + } + }; +} + +macro_rules! check_reg { + ($func:ident $ty:ident $reg:tt) => { + #[no_mangle] + pub unsafe fn $func(x: $ty) -> $ty { + let y; + asm!(concat!($reg, " = ", $reg), lateout($reg) y, in($reg) x); + y + } + }; +} + +extern "C" { + fn extern_func(); +} + +// CHECK-LABEL: sym_fn +// CHECK: #APP +// CHECK: call extern_func +// CHECK: #NO_APP +#[no_mangle] +pub unsafe fn sym_fn() { + asm!("call {}", sym extern_func); +} + +// CHECK-LABEL: reg_i8: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i8 i8 reg); + +// CHECK-LABEL: reg_i16: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i16 i16 reg); + +// CHECK-LABEL: reg_i32: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i32 i32 reg); + +// CHECK-LABEL: reg_i64: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i64 i64 reg); + +// CHECK-LABEL: wreg_i8: +// CHECK: #APP +// CHECK: w{{[0-9]+}} = w{{[0-9]+}} +// CHECK: #NO_APP +check!(wreg_i8 i8 wreg); + +// CHECK-LABEL: wreg_i16: +// CHECK: #APP +// CHECK: w{{[0-9]+}} = w{{[0-9]+}} +// CHECK: #NO_APP +check!(wreg_i16 i16 wreg); + +// CHECK-LABEL: wreg_i32: +// CHECK: #APP +// CHECK: w{{[0-9]+}} = w{{[0-9]+}} +// CHECK: #NO_APP +check!(wreg_i32 i32 wreg); + +// CHECK-LABEL: r0_i8: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i8 i8 "r0"); + +// CHECK-LABEL: r0_i16: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i16 i16 "r0"); + +// CHECK-LABEL: r0_i32: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i32 i32 "r0"); + +// CHECK-LABEL: r0_i64: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i64 i64 "r0"); + +// CHECK-LABEL: w0_i8: +// CHECK: #APP +// CHECK: w0 = w0 +// CHECK: #NO_APP +check_reg!(w0_i8 i8 "w0"); + +// CHECK-LABEL: w0_i16: +// CHECK: #APP +// CHECK: w0 = w0 +// CHECK: #NO_APP +check_reg!(w0_i16 i16 "w0"); + +// CHECK-LABEL: w0_i32: +// CHECK: #APP +// CHECK: w0 = w0 +// CHECK: #NO_APP +check_reg!(w0_i32 i32 "w0"); diff --git a/src/test/codegen/async-fn-debug-msvc.rs b/src/test/codegen/async-fn-debug-msvc.rs index f2641404aae..e410180bfff 100644 --- a/src/test/codegen/async-fn-debug-msvc.rs +++ b/src/test/codegen/async-fn-debug-msvc.rs @@ -17,33 +17,33 @@ async fn async_fn_test() { // FIXME: No way to reliably check the filename. // CHECK-DAG: [[ASYNC_FN:!.*]] = !DINamespace(name: "async_fn_test" -// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "generator-0", scope: [[ASYNC_FN]] -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "generator-0" +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant0", scope: [[GEN]], // For brevity, we only check the struct name and members of the last variant. // CHECK-SAME: file: [[FILE:![0-9]*]], line: 11, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 15, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 15, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 12, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 14, // CHECK-SAME: baseType: [[VARIANT:![0-9]*]] // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[ASYNC_FN]], +// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]], // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "RUST$ENUM$DISR", scope: [[S1]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant$", scope: [[S1]], // CHECK-SAME: flags: DIFlagArtificial // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]] // CHECK-NOT: flags: DIFlagArtificial diff --git a/src/test/codegen/bpf-alu32.rs b/src/test/codegen/bpf-alu32.rs new file mode 100644 index 00000000000..c68bffd03e2 --- /dev/null +++ b/src/test/codegen/bpf-alu32.rs @@ -0,0 +1,11 @@ +// only-bpf +#![crate_type = "lib"] +#![feature(bpf_target_feature)] +#![no_std] + +#[no_mangle] +#[target_feature(enable = "alu32")] +// CHECK: define i8 @foo(i8 returned %arg) unnamed_addr #0 { +pub unsafe fn foo(arg: u8) -> u8 { + arg +} diff --git a/src/test/codegen/generator-debug-msvc.rs b/src/test/codegen/generator-debug-msvc.rs index 44be71f3b9b..7edb07d224c 100644 --- a/src/test/codegen/generator-debug-msvc.rs +++ b/src/test/codegen/generator-debug-msvc.rs @@ -21,33 +21,33 @@ fn generator_test() -> impl Generator<Yield = i32, Return = ()> { // FIXME: No way to reliably check the filename. // CHECK-DAG: [[GEN_FN:!.*]] = !DINamespace(name: "generator_test" -// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "generator-0", scope: [[GEN_FN]] -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "generator-0" +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant0", scope: [[GEN]], // For brevity, we only check the struct name and members of the last variant. // CHECK-SAME: file: [[FILE:![0-9]*]], line: 14, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 18, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 18, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 15, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, scope: [[GEN]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]], // CHECK-SAME: file: [[FILE]], line: 17, // CHECK-SAME: baseType: [[VARIANT:![0-9]*]] // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN_FN]], +// CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]], // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) -// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "RUST$ENUM$DISR", scope: [[S1]], +// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant$", scope: [[S1]], // CHECK-SAME: flags: DIFlagArtificial // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: [[S1]] // CHECK-NOT: flags: DIFlagArtificial diff --git a/src/test/debuginfo/msvc-pretty-enums.rs b/src/test/debuginfo/msvc-pretty-enums.rs new file mode 100644 index 00000000000..550cc66f389 --- /dev/null +++ b/src/test/debuginfo/msvc-pretty-enums.rs @@ -0,0 +1,97 @@ +// only-cdb +// ignore-tidy-linelength +// compile-flags:-g + +// cdb-command: g + +// Note: The natvis used to visualize niche-layout enums don't work correctly in cdb +// so the best we can do is to make sure we are generating the right debuginfo + +// cdb-command: dx -r2 a,! +// cdb-check:a,! [Type: enum$<core::option::Option<enum$<msvc_pretty_enums::CStyleEnum>>, 2, 16, Some>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<core::option::Option<enum$<msvc_pretty_enums::CStyleEnum>>, 2, 16, Some>::Some] +// cdb-check: [+0x000] __0 : Low (0x2) [Type: msvc_pretty_enums::CStyleEnum] +// cdb-check: [+0x000] discriminant : 0x2 [Type: enum$<core::option::Option<enum$<msvc_pretty_enums::CStyleEnum>>, 2, 16, Some>::Discriminant$] + +// cdb-command: dx -r2 b,! +// cdb-check:b,! [Type: enum$<core::option::Option<enum$<msvc_pretty_enums::CStyleEnum>>, 2, 16, Some>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<core::option::Option<enum$<msvc_pretty_enums::CStyleEnum>>, 2, 16, Some>::Some] +// cdb-check: [+0x000] __0 : 0x11 [Type: msvc_pretty_enums::CStyleEnum] +// cdb-check: [+0x000] discriminant : None (0x11) [Type: enum$<core::option::Option<enum$<msvc_pretty_enums::CStyleEnum>>, 2, 16, Some>::Discriminant$] + +// cdb-command: dx -r2 c,! +// cdb-check:c,! [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>::Data] +// cdb-check: [+0x000] my_data : 0x11 [Type: msvc_pretty_enums::CStyleEnum] +// cdb-check: [+0x000] discriminant : Tag1 (0x11) [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>::Discriminant$] + +// cdb-command: dx -r2 d,! +// cdb-check:d,! [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>::Data] +// cdb-check: [+0x000] my_data : High (0x10) [Type: msvc_pretty_enums::CStyleEnum] +// cdb-check: [+0x000] discriminant : 0x10 [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>::Discriminant$] + +// cdb-command: dx -r2 e,! +// cdb-check:e,! [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>::Data] +// cdb-check: [+0x000] my_data : 0x13 [Type: msvc_pretty_enums::CStyleEnum] +// cdb-check: [+0x000] discriminant : Tag2 (0x13) [Type: enum$<msvc_pretty_enums::NicheLayoutEnum, 2, 16, Data>::Discriminant$] + +// cdb-command: dx -r2 f,! +// cdb-check:f,! [Type: enum$<core::option::Option<u32*>, 1, [...], Some>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<core::option::Option<u32*>, 1, [...], Some>::Some] +// cdb-check: [+0x000] __0 : 0x[...] : 0x1 [Type: unsigned int *] +// cdb-check: [+0x000] discriminant : 0x[...] [Type: enum$<core::option::Option<u32*>, 1, [...], Some>::Discriminant$] + +// cdb-command: dx -r2 g,! +// cdb-check:g,! [Type: enum$<core::option::Option<u32*>, 1, [...], Some>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<core::option::Option<u32*>, 1, [...], Some>::Some] +// cdb-check: [+0x000] __0 : 0x0 [Type: unsigned int *] +// cdb-check: [+0x000] discriminant : None (0x0) [Type: enum$<core::option::Option<u32*>, 1, [...], Some>::Discriminant$] + +// cdb-command: dx h +// cdb-check:h : Some [Type: enum$<core::option::Option<u32>>] +// cdb-check: [+0x000] variant$ : Some (0x1) [Type: core::option::Option] +// cdb-check: [+0x004] __0 : 0xc [Type: unsigned int] + +// cdb-command: dx i +// cdb-check:i : None [Type: enum$<core::option::Option<u32>>] +// cdb-check: [+0x000] variant$ : None (0x0) [Type: core::option::Option] + +// cdb-command: dx j +// cdb-check:j : High (0x10) [Type: msvc_pretty_enums::CStyleEnum] + +// cdb-command: dx -r2 k,! +// cdb-check:k,! [Type: enum$<core::option::Option<alloc::string::String>, 1, [...], Some>] +// cdb-check: [+0x000] dataful_variant [Type: enum$<core::option::Option<alloc::string::String>, 1, [...], Some>::Some] +// cdb-check: [+0x000] __0 [Type: alloc::string::String] +// cdb-check: [+0x000] discriminant : 0x[...] [Type: enum$<core::option::Option<alloc::string::String>, 1, [...], Some>::Discriminant$] + +pub enum CStyleEnum { + Low = 2, + High = 16, +} + +pub enum NicheLayoutEnum { + Tag1, + Data { my_data: CStyleEnum }, + Tag2, +} + +fn main() { + let a = Some(CStyleEnum::Low); + let b = Option::<CStyleEnum>::None; + let c = NicheLayoutEnum::Tag1; + let d = NicheLayoutEnum::Data { my_data: CStyleEnum::High }; + let e = NicheLayoutEnum::Tag2; + let f = Some(&1u32); + let g = Option::<&'static u32>::None; + let h = Some(12u32); + let i = Option::<u32>::None; + let j = CStyleEnum::High; + let k = Some("IAMA optional string!".to_string()); + + zzz(); // #break +} + +fn zzz() { () } diff --git a/src/test/debuginfo/pretty-std.rs b/src/test/debuginfo/pretty-std.rs index 1a99f841250..68e73b5f38d 100644 --- a/src/test/debuginfo/pretty-std.rs +++ b/src/test/debuginfo/pretty-std.rs @@ -1,6 +1,7 @@ // ignore-freebsd: gdb package too new // only-cdb // "Temporarily" ignored on GDB/LLDB due to debuginfo tests being disabled, see PR 47155 // ignore-android: FIXME(#10381) +// ignore-tidy-linelength // compile-flags:-g // min-gdb-version: 7.7 // min-lldb-version: 310 @@ -111,11 +112,11 @@ // NOTE: OsString doesn't have a .natvis entry yet. // cdb-command: dx some -// cdb-check:some : Some(8) [Type: [...]::Option<i16>] +// cdb-check:some : Some [Type: enum$<core::option::Option<i16>>] // cdb-command: dx none -// cdb-check:none : None [Type: [...]::Option<i64>] +// cdb-check:none : None [Type: enum$<core::option::Option<i64>>] // cdb-command: dx some_string -// cdb-check:some_string : Some("IAMA optional string!") [[...]::Option<[...]::String>] +// cdb-check:some_string [Type: enum$<core::option::Option<alloc::string::String>, 1, [...], Some>] #![allow(unused_variables)] use std::ffi::OsString; diff --git a/src/test/incremental/add_private_fn_at_krate_root_cc/struct_point.rs b/src/test/incremental/add_private_fn_at_krate_root_cc/struct_point.rs index f698f8835a2..ea1ea1943e9 100644 --- a/src/test/incremental/add_private_fn_at_krate_root_cc/struct_point.rs +++ b/src/test/incremental/add_private_fn_at_krate_root_cc/struct_point.rs @@ -24,7 +24,7 @@ extern crate point; pub mod fn_calls_methods_in_same_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let x = Point { x: 2.0, y: 2.0 }; x.distance_from_origin(); @@ -35,7 +35,7 @@ pub mod fn_calls_methods_in_same_impl { pub mod fn_calls_free_fn { use point::{self, Point}; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let x = Point { x: 2.0, y: 2.0 }; point::distance_squared(&x); @@ -46,7 +46,7 @@ pub mod fn_calls_free_fn { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -56,7 +56,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -66,7 +66,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/callee_caller_cross_crate/b.rs b/src/test/incremental/callee_caller_cross_crate/b.rs index 02453740079..084ed232a55 100644 --- a/src/test/incremental/callee_caller_cross_crate/b.rs +++ b/src/test/incremental/callee_caller_cross_crate/b.rs @@ -6,12 +6,12 @@ extern crate a; -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn call_function0() { a::function0(77); } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn call_function1() { a::function1(77); } diff --git a/src/test/incremental/change_add_field/struct_point.rs b/src/test/incremental/change_add_field/struct_point.rs index 8d98cfac8a4..3308ea56222 100644 --- a/src/test/incremental/change_add_field/struct_point.rs +++ b/src/test/incremental/change_add_field/struct_point.rs @@ -70,7 +70,7 @@ pub mod point { pub mod fn_with_type_in_sig { use point::Point; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,fn_sig,optimized_mir", cfg="cfail2")] pub fn boop(p: Option<&Point>) -> f32 { p.map(|p| p.total()).unwrap_or(0.0) } @@ -86,7 +86,7 @@ pub mod fn_with_type_in_sig { pub mod call_fn_with_type_in_sig { use fn_with_type_in_sig; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,optimized_mir", cfg="cfail2")] pub fn bip() -> f32 { fn_with_type_in_sig::boop(None) } @@ -102,7 +102,7 @@ pub mod call_fn_with_type_in_sig { pub mod fn_with_type_in_body { use point::Point; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,optimized_mir", cfg="cfail2")] pub fn boop() -> f32 { Point::origin().total() } @@ -115,7 +115,7 @@ pub mod fn_with_type_in_body { pub mod call_fn_with_type_in_body { use fn_with_type_in_body; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn bip() -> f32 { fn_with_type_in_body::boop() } @@ -125,7 +125,7 @@ pub mod call_fn_with_type_in_body { pub mod fn_make_struct { use point::Point; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,fn_sig,optimized_mir", cfg="cfail2")] pub fn make_origin(p: Point) -> Point { Point { ..p } } @@ -135,7 +135,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,fn_sig,optimized_mir", cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -145,7 +145,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,fn_sig,optimized_mir", cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/change_private_fn/struct_point.rs b/src/test/incremental/change_private_fn/struct_point.rs index ba4bf4e7b7d..1791c089cfa 100644 --- a/src/test/incremental/change_private_fn/struct_point.rs +++ b/src/test/incremental/change_private_fn/struct_point.rs @@ -51,7 +51,7 @@ pub mod point { pub mod fn_calls_methods_in_same_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let x = Point { x: 2.0, y: 2.0 }; x.distance_from_origin(); @@ -62,7 +62,7 @@ pub mod fn_calls_methods_in_same_impl { pub mod fn_calls_methods_in_another_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let mut x = Point { x: 2.0, y: 2.0 }; x.translate(3.0, 3.0); @@ -73,7 +73,7 @@ pub mod fn_calls_methods_in_another_impl { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -83,7 +83,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -93,7 +93,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/change_private_fn_cc/struct_point.rs b/src/test/incremental/change_private_fn_cc/struct_point.rs index 5072ef609e2..1c27ec3a3f7 100644 --- a/src/test/incremental/change_private_fn_cc/struct_point.rs +++ b/src/test/incremental/change_private_fn_cc/struct_point.rs @@ -23,7 +23,7 @@ extern crate point; pub mod fn_calls_methods_in_same_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let x = Point { x: 2.0, y: 2.0 }; x.distance_from_origin(); @@ -34,7 +34,7 @@ pub mod fn_calls_methods_in_same_impl { pub mod fn_calls_methods_in_another_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let mut x = Point { x: 2.0, y: 2.0 }; x.translate(3.0, 3.0); @@ -45,7 +45,7 @@ pub mod fn_calls_methods_in_another_impl { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -55,7 +55,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -65,7 +65,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/change_private_impl_method/struct_point.rs b/src/test/incremental/change_private_impl_method/struct_point.rs index 11ba96a8c8d..cf43e4757cb 100644 --- a/src/test/incremental/change_private_impl_method/struct_point.rs +++ b/src/test/incremental/change_private_impl_method/struct_point.rs @@ -51,7 +51,7 @@ pub mod point { pub mod fn_calls_methods_in_same_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let x = Point { x: 2.0, y: 2.0 }; x.distance_from_origin(); @@ -62,7 +62,7 @@ pub mod fn_calls_methods_in_same_impl { pub mod fn_calls_methods_in_another_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let mut x = Point { x: 2.0, y: 2.0 }; x.translate(3.0, 3.0); @@ -73,7 +73,7 @@ pub mod fn_calls_methods_in_another_impl { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -83,7 +83,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -93,7 +93,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/change_private_impl_method_cc/struct_point.rs b/src/test/incremental/change_private_impl_method_cc/struct_point.rs index 2aeecfc89d5..9fe8b5df93a 100644 --- a/src/test/incremental/change_private_impl_method_cc/struct_point.rs +++ b/src/test/incremental/change_private_impl_method_cc/struct_point.rs @@ -24,7 +24,7 @@ extern crate point; pub mod fn_calls_methods_in_same_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let x = Point { x: 2.0, y: 2.0 }; x.distance_from_origin(); @@ -35,7 +35,7 @@ pub mod fn_calls_methods_in_same_impl { pub mod fn_calls_methods_in_another_impl { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn dirty() { let mut x = Point { x: 2.0, y: 2.0 }; x.translate(3.0, 3.0); @@ -46,7 +46,7 @@ pub mod fn_calls_methods_in_another_impl { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -56,7 +56,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -66,7 +66,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/change_pub_inherent_method_body/struct_point.rs b/src/test/incremental/change_pub_inherent_method_body/struct_point.rs index a192dff19e9..1b87b18fcd4 100644 --- a/src/test/incremental/change_pub_inherent_method_body/struct_point.rs +++ b/src/test/incremental/change_pub_inherent_method_body/struct_point.rs @@ -42,7 +42,7 @@ pub mod point { pub mod fn_calls_changed_method { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let p = Point { x: 2.0, y: 2.0 }; p.distance_from_origin(); @@ -53,7 +53,7 @@ pub mod fn_calls_changed_method { pub mod fn_calls_another_method { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let p = Point { x: 2.0, y: 2.0 }; p.x(); @@ -64,7 +64,7 @@ pub mod fn_calls_another_method { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -74,7 +74,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -84,7 +84,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/change_pub_inherent_method_sig/struct_point.rs b/src/test/incremental/change_pub_inherent_method_sig/struct_point.rs index b0476168555..0a672956768 100644 --- a/src/test/incremental/change_pub_inherent_method_sig/struct_point.rs +++ b/src/test/incremental/change_pub_inherent_method_sig/struct_point.rs @@ -52,7 +52,7 @@ pub mod point { pub mod fn_calls_changed_method { use point::Point; - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck,optimized_mir", cfg="cfail2")] pub fn check() { let p = Point { x: 2.0, y: 2.0 }; p.distance_from_point(None); @@ -63,7 +63,7 @@ pub mod fn_calls_changed_method { pub mod fn_calls_another_method { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn check() { let p = Point { x: 2.0, y: 2.0 }; p.x(); @@ -74,7 +74,7 @@ pub mod fn_calls_another_method { pub mod fn_make_struct { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn make_origin() -> Point { Point { x: 2.0, y: 2.0 } } @@ -84,7 +84,7 @@ pub mod fn_make_struct { pub mod fn_read_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn get_x(p: Point) -> f32 { p.x } @@ -94,7 +94,7 @@ pub mod fn_read_field { pub mod fn_write_field { use point::Point; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn inc_x(p: &mut Point) { p.x += 1.0; } diff --git a/src/test/incremental/crate_hash_reorder.rs b/src/test/incremental/crate_hash_reorder.rs index 6e06e67b668..ca476b4d2db 100644 --- a/src/test/incremental/crate_hash_reorder.rs +++ b/src/test/incremental/crate_hash_reorder.rs @@ -7,9 +7,9 @@ // Check that reordering otherwise identical items is not considered a // change at all. -#[rustc_clean(label = "hir_crate", cfg = "rpass2")] +#[rustc_clean(cfg = "rpass2")] // But removing an item, naturally, is. -#[rustc_dirty(label = "hir_crate", cfg = "rpass3")] +#[rustc_clean(except="hir_crate", cfg = "rpass3")] #[cfg(rpass1)] pub struct X { pub x: u32, diff --git a/src/test/incremental/dirty_clean.rs b/src/test/incremental/dirty_clean.rs index 02c9a0c5798..11d999ab328 100644 --- a/src/test/incremental/dirty_clean.rs +++ b/src/test/incremental/dirty_clean.rs @@ -25,15 +25,24 @@ mod x { mod y { use x; - #[rustc_clean(label="typeck", cfg="cfail2")] + #[rustc_clean( + except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of,fn_sig", + cfg="cfail2", + )] pub fn y() { - //[cfail2]~^ ERROR `typeck(y)` should be clean but is not + //[cfail2]~^ ERROR `hir_owner(y)` should be dirty but is not + //[cfail2]~| ERROR `hir_owner_nodes(y)` should be dirty but is not + //[cfail2]~| ERROR `generics_of(y)` should be dirty but is not + //[cfail2]~| ERROR `predicates_of(y)` should be dirty but is not + //[cfail2]~| ERROR `type_of(y)` should be dirty but is not + //[cfail2]~| ERROR `fn_sig(y)` should be dirty but is not + //[cfail2]~| ERROR `typeck(y)` should be clean but is not x::x(); } } mod z { - #[rustc_dirty(label="typeck", cfg="cfail2")] + #[rustc_clean(except="typeck", cfg="cfail2")] pub fn z() { //[cfail2]~^ ERROR `typeck(z)` should be dirty but is not } diff --git a/src/test/incremental/hashes/call_expressions.rs b/src/test/incremental/hashes/call_expressions.rs index d4511cee75b..d4201400f0f 100644 --- a/src/test/incremental/hashes/call_expressions.rs +++ b/src/test/incremental/hashes/call_expressions.rs @@ -55,12 +55,8 @@ mod change_callee_indirectly_function { #[cfg(not(cfail1))] use super::callee2 as callee; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] - - + #[rustc_clean(except="hir_owner_nodes,typeck", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] pub fn change_callee_indirectly_function() { callee(1, 2) } diff --git a/src/test/incremental/hashes/enum_defs.rs b/src/test/incremental/hashes/enum_defs.rs index c73c03ca14e..76bff3cad38 100644 --- a/src/test/incremental/hashes/enum_defs.rs +++ b/src/test/incremental/hashes/enum_defs.rs @@ -370,7 +370,7 @@ enum EnumChangeNameOfTypeParameter<S> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of")] #[rustc_clean(cfg="cfail3")] enum EnumChangeNameOfTypeParameter<T> { Variant1(T), @@ -386,7 +386,7 @@ enum EnumAddTypeParameter<S> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddTypeParameter<S, T> { Variant1(S), @@ -402,7 +402,7 @@ enum EnumChangeNameOfLifetimeParameter<'a> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2", except="predicates_of")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,type_of")] #[rustc_clean(cfg="cfail3")] enum EnumChangeNameOfLifetimeParameter<'b> { Variant1(&'b u32), @@ -418,7 +418,7 @@ enum EnumAddLifetimeParameter<'a> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2", except="predicates_of")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,type_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddLifetimeParameter<'a, 'b> { Variant1(&'a u32), @@ -435,7 +435,7 @@ enum EnumAddLifetimeParameterBound<'a, 'b> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2", except="generics_of,type_of")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,predicates_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddLifetimeParameterBound<'a, 'b: 'a> { Variant1(&'a u32), @@ -450,7 +450,7 @@ enum EnumAddLifetimeBoundToParameter<'a, T> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2", except="type_of")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddLifetimeBoundToParameter<'a, T: 'a> { Variant1(T), @@ -466,7 +466,7 @@ enum EnumAddTraitBound<S> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddTraitBound<T: Sync> { Variant1(T), @@ -482,7 +482,7 @@ enum EnumAddLifetimeParameterBoundWhere<'a, 'b> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2", except="generics_of,type_of")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,predicates_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddLifetimeParameterBoundWhere<'a, 'b> where 'b: 'a { Variant1(&'a u32), @@ -499,7 +499,7 @@ enum EnumAddLifetimeBoundToParameterWhere<'a, T> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2", except="type_of")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddLifetimeBoundToParameterWhere<'a, T> where T: 'a { Variant1(T), @@ -515,7 +515,7 @@ enum EnumAddTraitBoundWhere<S> { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg="cfail2")] +#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of")] #[rustc_clean(cfg="cfail3")] enum EnumAddTraitBoundWhere<T> where T: Sync { Variant1(T), diff --git a/src/test/incremental/hashes/extern_mods.rs b/src/test/incremental/hashes/extern_mods.rs index 93e70d3792c..1160bc376c4 100644 --- a/src/test/incremental/hashes/extern_mods.rs +++ b/src/test/incremental/hashes/extern_mods.rs @@ -21,7 +21,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2", except = "hir_owner")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn change_function_name2(c: i64) -> i32; @@ -34,7 +34,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn change_parameter_name(d: i64) -> i32; @@ -47,7 +47,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn change_parameter_type(c: i32) -> i32; @@ -60,7 +60,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn change_return_type(c: i32) -> i8; @@ -73,7 +73,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn add_parameter(c: i32, d: i32) -> i32; @@ -86,7 +86,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn add_return_type(c: i32) -> i32; @@ -99,7 +99,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn make_function_variadic(c: i32, ...); @@ -112,7 +112,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2", except = "hir_owner")] #[rustc_clean(cfg = "cfail3")] extern "rust-call" { pub fn change_calling_convention(c: i32); @@ -125,7 +125,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2", except = "hir_owner")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn make_function_public(c: i32); @@ -138,7 +138,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2", except = "hir_owner")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn add_function1(c: i32); @@ -153,7 +153,7 @@ extern "C" { } #[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] +#[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] #[link(name = "bar")] extern "C" { @@ -170,7 +170,7 @@ mod indirectly_change_parameter_type { #[cfg(not(cfail1))] use super::c_i64 as c_int; - #[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] + #[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn indirectly_change_parameter_type(c: c_int); @@ -184,7 +184,7 @@ mod indirectly_change_return_type { #[cfg(not(cfail1))] use super::c_i64 as c_int; - #[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] + #[rustc_clean(cfg = "cfail2")] #[rustc_clean(cfg = "cfail3")] extern "C" { pub fn indirectly_change_return_type() -> c_int; diff --git a/src/test/incremental/hashes/indexing_expressions.rs b/src/test/incremental/hashes/indexing_expressions.rs index 7a8cbc3566e..49ee7a9cac0 100644 --- a/src/test/incremental/hashes/indexing_expressions.rs +++ b/src/test/incremental/hashes/indexing_expressions.rs @@ -20,10 +20,8 @@ fn change_simple_index(slice: &[u32]) -> u32 { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn change_simple_index(slice: &[u32]) -> u32 { slice[4] } @@ -37,10 +35,8 @@ fn change_lower_bound(slice: &[u32]) -> &[u32] { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn change_lower_bound(slice: &[u32]) -> &[u32] { &slice[2..5] } @@ -54,10 +50,8 @@ fn change_upper_bound(slice: &[u32]) -> &[u32] { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn change_upper_bound(slice: &[u32]) -> &[u32] { &slice[3..7] } @@ -71,10 +65,8 @@ fn add_lower_bound(slice: &[u32]) -> &[u32] { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes,typeck", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn add_lower_bound(slice: &[u32]) -> &[u32] { &slice[3..4] } @@ -88,10 +80,8 @@ fn add_upper_bound(slice: &[u32]) -> &[u32] { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes,typeck", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn add_upper_bound(slice: &[u32]) -> &[u32] { &slice[3..7] } @@ -105,10 +95,8 @@ fn change_mutability(slice: &mut [u32]) -> u32 { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes,typeck", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn change_mutability(slice: &mut [u32]) -> u32 { (&slice[3..5])[0] } @@ -122,10 +110,8 @@ fn exclusive_to_inclusive_range(slice: &[u32]) -> &[u32] { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] +#[rustc_clean(except="hir_owner_nodes,typeck", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] fn exclusive_to_inclusive_range(slice: &[u32]) -> &[u32] { &slice[3..=7] } diff --git a/src/test/incremental/hashes/inherent_impls.rs b/src/test/incremental/hashes/inherent_impls.rs index 70ce81bd473..284a95f1a68 100644 --- a/src/test/incremental/hashes/inherent_impls.rs +++ b/src/test/incremental/hashes/inherent_impls.rs @@ -103,7 +103,10 @@ impl Foo { #[rustc_clean(cfg="cfail2", except="hir_owner")] #[rustc_clean(cfg="cfail3")] impl Foo { - #[rustc_dirty(cfg="cfail2", except="type_of,predicates_of,promoted_mir")] + #[rustc_clean( + cfg="cfail2", + except="hir_owner,hir_owner_nodes,fn_sig,generics_of,typeck,associated_item,optimized_mir", + )] #[rustc_clean(cfg="cfail3")] pub fn method_selfness(&self) { } } diff --git a/src/test/incremental/hashes/struct_defs.rs b/src/test/incremental/hashes/struct_defs.rs index 1339a1e5bf2..0ce5aeaaf50 100644 --- a/src/test/incremental/hashes/struct_defs.rs +++ b/src/test/incremental/hashes/struct_defs.rs @@ -24,16 +24,8 @@ pub struct LayoutPacked; #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] #[repr(packed)] pub struct LayoutPacked; @@ -41,16 +33,8 @@ pub struct LayoutPacked; struct LayoutC; #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] #[repr(C)] struct LayoutC; @@ -61,16 +45,8 @@ struct LayoutC; struct TupleStructFieldType(i32); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] // Note that changing the type of a field does not change the type of the struct or enum, but // adding/removing fields or changing a fields name or visibility does. struct TupleStructFieldType( @@ -84,16 +60,8 @@ struct TupleStructFieldType( struct TupleStructAddField(i32); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct TupleStructAddField( i32, u32 @@ -106,16 +74,8 @@ struct TupleStructAddField( struct TupleStructFieldVisibility(char); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct TupleStructFieldVisibility(pub char); @@ -125,16 +85,8 @@ struct TupleStructFieldVisibility(pub char); struct RecordStructFieldType { x: f32 } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] // Note that changing the type of a field does not change the type of the struct or enum, but // adding/removing fields or changing a fields name or visibility does. struct RecordStructFieldType { @@ -148,16 +100,8 @@ struct RecordStructFieldType { struct RecordStructFieldName { x: f32 } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct RecordStructFieldName { y: f32 } @@ -167,16 +111,8 @@ struct RecordStructFieldName { y: f32 } struct RecordStructAddField { x: f32 } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct RecordStructAddField { x: f32, y: () } @@ -188,16 +124,8 @@ struct RecordStructAddField { struct RecordStructFieldVisibility { x: f32 } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct RecordStructFieldVisibility { pub x: f32 } @@ -209,16 +137,8 @@ struct RecordStructFieldVisibility { struct AddLifetimeParameter<'a>(&'a f32, &'a f64); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_dirty(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of,generics_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct AddLifetimeParameter<'a, 'b>(&'a f32, &'b f64); @@ -228,16 +148,8 @@ struct AddLifetimeParameter<'a, 'b>(&'a f32, &'b f64); struct AddLifetimeParameterBound<'a, 'b>(&'a f32, &'b f64); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_dirty(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct AddLifetimeParameterBound<'a, 'b: 'a>( &'a f32, &'b f64 @@ -247,16 +159,8 @@ struct AddLifetimeParameterBound<'a, 'b: 'a>( struct AddLifetimeParameterBoundWhereClause<'a, 'b>(&'a f32, &'b f64); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_dirty(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct AddLifetimeParameterBoundWhereClause<'a, 'b>( &'a f32, &'b f64) @@ -269,16 +173,8 @@ struct AddLifetimeParameterBoundWhereClause<'a, 'b>( struct AddTypeParameter<T1>(T1, T1); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_dirty(label="type_of", cfg="cfail2")] -#[rustc_dirty(label="generics_of", cfg="cfail2")] -#[rustc_dirty(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,type_of,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct AddTypeParameter<T1, T2>( // The field contains the parent's Generics, so it's dirty even though its // type hasn't changed. @@ -293,16 +189,8 @@ struct AddTypeParameter<T1, T2>( struct AddTypeParameterBound<T>(T); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_dirty(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct AddTypeParameterBound<T: Send>( T ); @@ -312,16 +200,8 @@ struct AddTypeParameterBound<T: Send>( struct AddTypeParameterBoundWhereClause<T>(T); #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_dirty(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] struct AddTypeParameterBoundWhereClause<T>( T ) where T: Sync; @@ -332,16 +212,8 @@ struct AddTypeParameterBoundWhereClause<T>( // fingerprint is stable (i.e., that there are no random influences like memory // addresses taken into account by the hashing algorithm). // Note: there is no #[cfg(...)], so this is ALWAYS compiled -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] pub struct EmptyStruct; @@ -351,16 +223,8 @@ pub struct EmptyStruct; struct Visibility; #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] -#[rustc_clean(label="type_of", cfg="cfail2")] -#[rustc_clean(label="generics_of", cfg="cfail2")] -#[rustc_clean(label="predicates_of", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] -#[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] -#[rustc_clean(label="type_of", cfg="cfail3")] -#[rustc_clean(label="generics_of", cfg="cfail3")] -#[rustc_clean(label="predicates_of", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] pub struct Visibility; struct ReferencedType1; @@ -373,16 +237,8 @@ mod tuple_struct_change_field_type_indirectly { #[cfg(not(cfail1))] use super::ReferencedType2 as FieldType; - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="type_of", cfg="cfail2")] - #[rustc_clean(label="generics_of", cfg="cfail2")] - #[rustc_clean(label="predicates_of", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] - #[rustc_clean(label="type_of", cfg="cfail3")] - #[rustc_clean(label="generics_of", cfg="cfail3")] - #[rustc_clean(label="predicates_of", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] struct TupleStruct( FieldType ); @@ -396,16 +252,8 @@ mod record_struct_change_field_type_indirectly { #[cfg(not(cfail1))] use super::ReferencedType2 as FieldType; - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="type_of", cfg="cfail2")] - #[rustc_clean(label="generics_of", cfg="cfail2")] - #[rustc_clean(label="predicates_of", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] - #[rustc_clean(label="type_of", cfg="cfail3")] - #[rustc_clean(label="generics_of", cfg="cfail3")] - #[rustc_clean(label="predicates_of", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] struct RecordStruct { _x: FieldType } @@ -424,16 +272,8 @@ mod change_trait_bound_indirectly { #[cfg(not(cfail1))] use super::ReferencedTrait2 as Trait; - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="type_of", cfg="cfail2")] - #[rustc_clean(label="generics_of", cfg="cfail2")] - #[rustc_dirty(label="predicates_of", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] - #[rustc_clean(label="type_of", cfg="cfail3")] - #[rustc_clean(label="generics_of", cfg="cfail3")] - #[rustc_clean(label="predicates_of", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] struct Struct<T: Trait>(T); } @@ -444,15 +284,7 @@ mod change_trait_bound_indirectly_in_where_clause { #[cfg(not(cfail1))] use super::ReferencedTrait2 as Trait; - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="type_of", cfg="cfail2")] - #[rustc_clean(label="generics_of", cfg="cfail2")] - #[rustc_dirty(label="predicates_of", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] - #[rustc_clean(label="type_of", cfg="cfail3")] - #[rustc_clean(label="generics_of", cfg="cfail3")] - #[rustc_clean(label="predicates_of", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] struct Struct<T>(T) where T : Trait; } diff --git a/src/test/incremental/hashes/trait_defs.rs b/src/test/incremental/hashes/trait_defs.rs index 4dab032e47f..a604ca5ca82 100644 --- a/src/test/incremental/hashes/trait_defs.rs +++ b/src/test/incremental/hashes/trait_defs.rs @@ -25,8 +25,8 @@ trait TraitVisibility { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] pub trait TraitVisibility { } @@ -36,8 +36,8 @@ pub trait TraitVisibility { } trait TraitUnsafety { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] unsafe trait TraitUnsafety { } @@ -48,8 +48,8 @@ trait TraitAddMethod { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] pub trait TraitAddMethod { fn method(); } @@ -63,8 +63,8 @@ trait TraitChangeMethodName { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeMethodName { fn methodChanged(); } @@ -78,11 +78,11 @@ trait TraitAddReturnType { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddReturnType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method() -> u32; } @@ -95,11 +95,11 @@ trait TraitChangeReturnType { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeReturnType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method() -> u64; } @@ -112,11 +112,11 @@ trait TraitAddParameterToMethod { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddParameterToMethod { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(a: u32); } @@ -130,18 +130,16 @@ trait TraitChangeMethodParameterName { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeMethodParameterName { // FIXME(#38501) This should preferably always be clean. - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(b: u32); - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] + #[rustc_clean(except="hir_owner_nodes,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn with_default(y: i32) {} } @@ -154,11 +152,11 @@ trait TraitChangeMethodParameterType { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeMethodParameterType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(a: i64); } @@ -171,11 +169,11 @@ trait TraitChangeMethodParameterTypeRef { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeMethodParameterTypeRef { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(a: &mut i32); } @@ -188,11 +186,11 @@ trait TraitChangeMethodParametersOrder { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeMethodParametersOrder { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(b: i64, a: i32); } @@ -205,11 +203,11 @@ trait TraitAddMethodAutoImplementation { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddMethodAutoImplementation { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,associated_item", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method() { } } @@ -223,8 +221,8 @@ trait TraitChangeOrderOfMethods { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeOrderOfMethods { fn method1(); fn method0(); @@ -239,11 +237,11 @@ trait TraitChangeModeSelfRefToMut { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeModeSelfRefToMut { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(&mut self); } @@ -255,13 +253,11 @@ trait TraitChangeModeSelfOwnToMut: Sized { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeModeSelfOwnToMut: Sized { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(mut self) {} } @@ -273,11 +269,11 @@ trait TraitChangeModeSelfOwnToRef { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeModeSelfOwnToRef { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig,generics_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(&self); } @@ -290,11 +286,11 @@ trait TraitAddUnsafeModifier { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddUnsafeModifier { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] unsafe fn method(); } @@ -307,11 +303,11 @@ trait TraitAddExternModifier { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddExternModifier { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] extern "C" fn method(); } @@ -324,11 +320,11 @@ trait TraitChangeExternCToRustIntrinsic { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeExternCToRustIntrinsic { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] extern "stdcall" fn method(); } @@ -341,11 +337,11 @@ trait TraitAddTypeParameterToMethod { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTypeParameterToMethod { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,generics_of,predicates_of,type_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T>(); } @@ -358,11 +354,11 @@ trait TraitAddLifetimeParameterToMethod { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeParameterToMethod { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig,generics_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<'a>(); } @@ -379,11 +375,11 @@ trait TraitAddTraitBoundToMethodTypeParameter { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTraitBoundToMethodTypeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T: ReferencedTrait0>(); } @@ -396,11 +392,11 @@ trait TraitAddBuiltinBoundToMethodTypeParameter { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddBuiltinBoundToMethodTypeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T: Sized>(); } @@ -413,11 +409,14 @@ trait TraitAddLifetimeBoundToMethodLifetimeParameter { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeBoundToMethodLifetimeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean( + except="hir_owner,hir_owner_nodes,generics_of,predicates_of,fn_sig,type_of", + cfg="cfail2", + )] + #[rustc_clean(cfg="cfail3")] fn method<'a, 'b: 'a>(a: &'a u32, b: &'b u32); } @@ -430,11 +429,11 @@ trait TraitAddSecondTraitBoundToMethodTypeParameter { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondTraitBoundToMethodTypeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T: ReferencedTrait0 + ReferencedTrait1>(); } @@ -447,11 +446,11 @@ trait TraitAddSecondBuiltinBoundToMethodTypeParameter { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondBuiltinBoundToMethodTypeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T: Sized + Sync>(); } @@ -464,11 +463,14 @@ trait TraitAddSecondLifetimeBoundToMethodLifetimeParameter { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondLifetimeBoundToMethodLifetimeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean( + except="hir_owner,hir_owner_nodes,generics_of,predicates_of,fn_sig,type_of", + cfg="cfail2", + )] + #[rustc_clean(cfg="cfail3")] fn method<'a, 'b, 'c: 'a + 'b>(a: &'a u32, b: &'b u32, c: &'c u32); } @@ -478,14 +480,14 @@ trait TraitAddSecondLifetimeBoundToMethodLifetimeParameter { #[cfg(cfail1)] trait TraitAddAssociatedType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(); } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddAssociatedType { type Associated; @@ -506,11 +508,11 @@ trait TraitAddTraitBoundToAssociatedType { // Apparently the type bound contributes to the predicates of the trait, but // does not change the associated item itself. #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTraitBoundToAssociatedType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] type Associated: ReferencedTrait0; fn method(); @@ -527,11 +529,11 @@ trait TraitAddLifetimeBoundToAssociatedType<'a> { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeBoundToAssociatedType<'a> { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] type Associated: 'a; fn method(); @@ -548,11 +550,11 @@ trait TraitAddDefaultToAssociatedType { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddDefaultToAssociatedType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,associated_item", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] type Associated = ReferenceType0; fn method(); @@ -567,8 +569,8 @@ trait TraitAddAssociatedConstant { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddAssociatedConstant { const Value: u32; @@ -586,15 +588,15 @@ trait TraitAddInitializerToAssociatedConstant { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddInitializerToAssociatedConstant { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,associated_item", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] const Value: u32 = 1; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(); } @@ -609,15 +611,15 @@ trait TraitChangeTypeOfAssociatedConstant { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitChangeTypeOfAssociatedConstant { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,type_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] const Value: f64; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(); } @@ -628,8 +630,8 @@ trait TraitChangeTypeOfAssociatedConstant { trait TraitAddSuperTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSuperTrait : ReferencedTrait0 { } @@ -639,8 +641,8 @@ trait TraitAddSuperTrait : ReferencedTrait0 { } trait TraitAddBuiltiBound { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddBuiltiBound : Send { } @@ -650,8 +652,8 @@ trait TraitAddBuiltiBound : Send { } trait TraitAddStaticLifetimeBound { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddStaticLifetimeBound : 'static { } @@ -661,16 +663,16 @@ trait TraitAddStaticLifetimeBound : 'static { } trait TraitAddTraitAsSecondBound : ReferencedTrait0 { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTraitAsSecondBound : ReferencedTrait0 + ReferencedTrait1 { } #[cfg(cfail1)] trait TraitAddTraitAsSecondBoundFromBuiltin : Send { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTraitAsSecondBoundFromBuiltin : Send + ReferencedTrait0 { } @@ -680,16 +682,16 @@ trait TraitAddTraitAsSecondBoundFromBuiltin : Send + ReferencedTrait0 { } trait TraitAddBuiltinBoundAsSecondBound : ReferencedTrait0 { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddBuiltinBoundAsSecondBound : ReferencedTrait0 + Send { } #[cfg(cfail1)] trait TraitAddBuiltinBoundAsSecondBoundFromBuiltin : Send { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddBuiltinBoundAsSecondBoundFromBuiltin: Send + Copy { } @@ -699,16 +701,16 @@ trait TraitAddBuiltinBoundAsSecondBoundFromBuiltin: Send + Copy { } trait TraitAddStaticBoundAsSecondBound : ReferencedTrait0 { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddStaticBoundAsSecondBound : ReferencedTrait0 + 'static { } #[cfg(cfail1)] trait TraitAddStaticBoundAsSecondBoundFromBuiltin : Send { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddStaticBoundAsSecondBoundFromBuiltin : Send + 'static { } @@ -718,8 +720,8 @@ trait TraitAddStaticBoundAsSecondBoundFromBuiltin : Send + 'static { } trait TraitAddTypeParameterToTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTypeParameterToTrait<T> { } @@ -729,8 +731,8 @@ trait TraitAddTypeParameterToTrait<T> { } trait TraitAddLifetimeParameterToTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeParameterToTrait<'a> { } @@ -740,8 +742,8 @@ trait TraitAddLifetimeParameterToTrait<'a> { } trait TraitAddTraitBoundToTypeParameterOfTrait<T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTraitBoundToTypeParameterOfTrait<T: ReferencedTrait0> { } @@ -751,8 +753,8 @@ trait TraitAddTraitBoundToTypeParameterOfTrait<T: ReferencedTrait0> { } trait TraitAddLifetimeBoundToTypeParameterOfTrait<'a, T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeBoundToTypeParameterOfTrait<'a, T: 'a> { } @@ -762,8 +764,8 @@ trait TraitAddLifetimeBoundToTypeParameterOfTrait<'a, T: 'a> { } trait TraitAddLifetimeBoundToLifetimeParameterOfTrait<'a, 'b> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeBoundToLifetimeParameterOfTrait<'a: 'b, 'b> { } @@ -773,8 +775,8 @@ trait TraitAddLifetimeBoundToLifetimeParameterOfTrait<'a: 'b, 'b> { } trait TraitAddBuiltinBoundToTypeParameterOfTrait<T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddBuiltinBoundToTypeParameterOfTrait<T: Send> { } @@ -784,8 +786,8 @@ trait TraitAddBuiltinBoundToTypeParameterOfTrait<T: Send> { } trait TraitAddSecondTypeParameterToTrait<T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondTypeParameterToTrait<T, S> { } @@ -795,8 +797,8 @@ trait TraitAddSecondTypeParameterToTrait<T, S> { } trait TraitAddSecondLifetimeParameterToTrait<'a> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondLifetimeParameterToTrait<'a, 'b> { } @@ -806,8 +808,8 @@ trait TraitAddSecondLifetimeParameterToTrait<'a, 'b> { } trait TraitAddSecondTraitBoundToTypeParameterOfTrait<T: ReferencedTrait0> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondTraitBoundToTypeParameterOfTrait<T: ReferencedTrait0 + ReferencedTrait1> { } @@ -817,8 +819,8 @@ trait TraitAddSecondTraitBoundToTypeParameterOfTrait<T: ReferencedTrait0 + Refer trait TraitAddSecondLifetimeBoundToTypeParameterOfTrait<'a, 'b, T: 'a> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondLifetimeBoundToTypeParameterOfTrait<'a, 'b, T: 'a + 'b> { } @@ -828,8 +830,8 @@ trait TraitAddSecondLifetimeBoundToTypeParameterOfTrait<'a, 'b, T: 'a + 'b> { } trait TraitAddSecondLifetimeBoundToLifetimeParameterOfTrait<'a: 'b, 'b, 'c> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondLifetimeBoundToLifetimeParameterOfTrait<'a: 'b + 'c, 'b, 'c> { } @@ -839,8 +841,8 @@ trait TraitAddSecondLifetimeBoundToLifetimeParameterOfTrait<'a: 'b + 'c, 'b, 'c> trait TraitAddSecondBuiltinBoundToTypeParameterOfTrait<T: Send> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondBuiltinBoundToTypeParameterOfTrait<T: Send + Sync> { } @@ -855,8 +857,8 @@ struct ReferenceType1 {} trait TraitAddTraitBoundToTypeParameterOfTraitWhere<T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddTraitBoundToTypeParameterOfTraitWhere<T> where T: ReferencedTrait0 { } @@ -866,8 +868,8 @@ trait TraitAddTraitBoundToTypeParameterOfTraitWhere<T> where T: ReferencedTrait0 trait TraitAddLifetimeBoundToTypeParameterOfTraitWhere<'a, T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeBoundToTypeParameterOfTraitWhere<'a, T> where T: 'a { } @@ -877,8 +879,8 @@ trait TraitAddLifetimeBoundToTypeParameterOfTraitWhere<'a, T> where T: 'a { } trait TraitAddLifetimeBoundToLifetimeParameterOfTraitWhere<'a, 'b> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddLifetimeBoundToLifetimeParameterOfTraitWhere<'a, 'b> where 'a: 'b { } @@ -888,8 +890,8 @@ trait TraitAddLifetimeBoundToLifetimeParameterOfTraitWhere<'a, 'b> where 'a: 'b trait TraitAddBuiltinBoundToTypeParameterOfTraitWhere<T> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddBuiltinBoundToTypeParameterOfTraitWhere<T> where T: Send { } @@ -899,8 +901,8 @@ trait TraitAddBuiltinBoundToTypeParameterOfTraitWhere<T> where T: Send { } trait TraitAddSecondTraitBoundToTypeParameterOfTraitWhere<T> where T: ReferencedTrait0 { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondTraitBoundToTypeParameterOfTraitWhere<T> where T: ReferencedTrait0 + ReferencedTrait1 { } @@ -911,8 +913,8 @@ trait TraitAddSecondTraitBoundToTypeParameterOfTraitWhere<T> trait TraitAddSecondLifetimeBoundToTypeParameterOfTraitWhere<'a, 'b, T> where T: 'a { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,generics_of,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondLifetimeBoundToTypeParameterOfTraitWhere<'a, 'b, T> where T: 'a + 'b { } @@ -922,8 +924,8 @@ trait TraitAddSecondLifetimeBoundToTypeParameterOfTraitWhere<'a, 'b, T> where T: trait TraitAddSecondLifetimeBoundToLifetimeParameterOfTraitWhere<'a, 'b, 'c> where 'a: 'b { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondLifetimeBoundToLifetimeParameterOfTraitWhere<'a, 'b, 'c> where 'a: 'b + 'c { } @@ -933,8 +935,8 @@ trait TraitAddSecondLifetimeBoundToLifetimeParameterOfTraitWhere<'a, 'b, 'c> whe trait TraitAddSecondBuiltinBoundToTypeParameterOfTraitWhere<T> where T: Send { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] trait TraitAddSecondBuiltinBoundToTypeParameterOfTraitWhere<T> where T: Send + Sync { } @@ -945,11 +947,11 @@ mod change_return_type_of_method_indirectly_use { #[cfg(not(cfail1))] use super::ReferenceType1 as ReturnType; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] trait TraitChangeReturnType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method() -> ReturnType; } } @@ -963,11 +965,11 @@ mod change_method_parameter_type_indirectly_by_use { #[cfg(not(cfail1))] use super::ReferenceType1 as ArgType; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] trait TraitChangeArgType { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method(a: ArgType); } } @@ -981,11 +983,11 @@ mod change_method_parameter_type_bound_indirectly_by_use { #[cfg(not(cfail1))] use super::ReferencedTrait1 as Bound; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] trait TraitChangeBoundOfMethodTypeParameter { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T: Bound>(a: T); } } @@ -1000,11 +1002,11 @@ mod change_method_parameter_type_bound_indirectly_by_use_where { #[cfg(not(cfail1))] use super::ReferencedTrait1 as Bound; - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] trait TraitChangeBoundOfMethodTypeParameterWhere { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method<T>(a: T) where T: Bound; } } @@ -1018,8 +1020,8 @@ mod change_method_type_parameter_bound_indirectly { #[cfg(not(cfail1))] use super::ReferencedTrait1 as Bound; - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] trait TraitChangeTraitBound<T: Bound> { fn method(a: T); } @@ -1035,8 +1037,8 @@ mod change_method_type_parameter_bound_indirectly_where { #[cfg(not(cfail1))] use super::ReferencedTrait1 as Bound; - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,predicates_of", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] trait TraitChangeTraitBoundWhere<T> where T: Bound { fn method(a: T); } diff --git a/src/test/incremental/hashes/trait_impls.rs b/src/test/incremental/hashes/trait_impls.rs index e9118da5a61..c9a3de1f6ae 100644 --- a/src/test/incremental/hashes/trait_impls.rs +++ b/src/test/incremental/hashes/trait_impls.rs @@ -30,18 +30,18 @@ impl ChangeMethodNameTrait for Foo { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] pub trait ChangeMethodNameTrait { - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail3")] fn method_name2(); } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeMethodNameTrait for Foo { - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail3")] fn method_name2() { } } @@ -59,13 +59,11 @@ impl ChangeMethodBodyTrait for Foo { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeMethodBodyTrait for Foo { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] + #[rustc_clean(except="hir_owner_nodes,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method_name() { () } @@ -86,13 +84,11 @@ impl ChangeMethodBodyTraitInlined for Foo { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeMethodBodyTraitInlined for Foo { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_clean(label="hir_owner_nodes", cfg="cfail3")] + #[rustc_clean(except="hir_owner_nodes,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] #[inline] fn method_name() { panic!() @@ -117,11 +113,14 @@ pub trait ChangeMethodSelfnessTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeMethodSelfnessTrait for Foo { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean( + except="hir_owner,hir_owner_nodes,associated_item,generics_of,fn_sig,typeck,optimized_mir", + cfg="cfail2", + )] + #[rustc_clean(cfg="cfail3")] fn method_name(&self) { () } @@ -145,11 +144,14 @@ pub trait RemoveMethodSelfnessTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl RemoveMethodSelfnessTrait for Foo { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean( + except="hir_owner,hir_owner_nodes,associated_item,generics_of,fn_sig,typeck,optimized_mir", + cfg="cfail2", + )] + #[rustc_clean(cfg="cfail3")] fn method_name() {} } @@ -171,11 +173,11 @@ pub trait ChangeMethodSelfmutnessTrait { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeMethodSelfmutnessTrait for Foo { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,fn_sig,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method_name(&mut self) {} } @@ -197,8 +199,8 @@ pub trait ChangeItemKindTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeItemKindTrait for Foo { type name = (); } @@ -223,8 +225,8 @@ pub trait RemoveItemTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl RemoveItemTrait for Foo { type TypeName = (); } @@ -248,8 +250,8 @@ pub trait AddItemTrait { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,associated_item_def_ids", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl AddItemTrait for Foo { type TypeName = (); fn method_name() { } @@ -268,17 +270,17 @@ impl ChangeHasValueTrait for Foo { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] pub trait ChangeHasValueTrait { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,associated_item", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method_name() { } } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeHasValueTrait for Foo { fn method_name() { } } @@ -295,11 +297,11 @@ impl AddDefaultTrait for Foo { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl AddDefaultTrait for Foo { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,associated_item", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] default fn method_name() { } } @@ -321,11 +323,11 @@ pub trait AddArgumentTrait { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl AddArgumentTrait for Foo { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,fn_sig,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method_name(&self, _x: u32) { } } @@ -347,11 +349,11 @@ pub trait ChangeArgumentTypeTrait { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeArgumentTypeTrait for Foo { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,fn_sig,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn method_name(&self, _x: char) { } } @@ -370,11 +372,14 @@ impl AddTypeParameterToImpl<u32> for Bar<u32> { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,generics_of,impl_trait_ref", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl<T> AddTypeParameterToImpl<T> for Bar<T> { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean( + except="hir_owner,hir_owner_nodes,generics_of,fn_sig,type_of,typeck,optimized_mir", + cfg="cfail2", + )] + #[rustc_clean(cfg="cfail3")] fn id(t: T) -> T { t } } @@ -391,11 +396,11 @@ impl ChangeSelfTypeOfImpl for u32 { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,impl_trait_ref", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl ChangeSelfTypeOfImpl for u64 { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(except="fn_sig,typeck,optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn id(self) -> Self { self } } @@ -412,11 +417,11 @@ impl<T> AddLifetimeBoundToImplParameter for T { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl<T: 'static> AddLifetimeBoundToImplParameter for T { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn id(self) -> Self { self } } @@ -433,11 +438,11 @@ impl<T> AddTraitBoundToImplParameter for T { } #[cfg(not(cfail1))] -#[rustc_dirty(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl<T: Clone> AddTraitBoundToImplParameter for T { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] fn id(self) -> Self { self } } @@ -454,11 +459,11 @@ impl AddNoMangleToMethod for Foo { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl AddNoMangleToMethod for Foo { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] #[no_mangle] fn add_no_mangle_to_method(&self) { } } @@ -475,11 +480,11 @@ impl MakeMethodInline for Foo { } #[cfg(not(cfail1))] -#[rustc_clean(label="hir_owner", cfg="cfail2")] -#[rustc_clean(label="hir_owner", cfg="cfail3")] +#[rustc_clean(cfg="cfail2")] +#[rustc_clean(cfg="cfail3")] impl MakeMethodInline for Foo { - #[rustc_clean(label="hir_owner", cfg="cfail2")] - #[rustc_clean(label="hir_owner", cfg="cfail3")] + #[rustc_clean(cfg="cfail2")] + #[rustc_clean(cfg="cfail3")] #[inline] fn make_method_inline(&self) -> u8 { 0 } } diff --git a/src/test/incremental/hello_world.rs b/src/test/incremental/hello_world.rs index 4c60d7bd9d5..d5ec6e92bc0 100644 --- a/src/test/incremental/hello_world.rs +++ b/src/test/incremental/hello_world.rs @@ -21,7 +21,7 @@ mod x { mod y { use x; - #[rustc_clean(label="typeck", cfg="rpass2")] + #[rustc_clean(cfg="rpass2")] pub fn yyyy() { x::xxxx(); } @@ -30,7 +30,7 @@ mod y { mod z { use y; - #[rustc_clean(label="typeck", cfg="rpass2")] + #[rustc_clean(cfg="rpass2")] pub fn z() { y::yyyy(); } diff --git a/src/test/incremental/hygiene/auxiliary/cached_hygiene.rs b/src/test/incremental/hygiene/auxiliary/cached_hygiene.rs index 91a9f63d39b..b31f60e972b 100644 --- a/src/test/incremental/hygiene/auxiliary/cached_hygiene.rs +++ b/src/test/incremental/hygiene/auxiliary/cached_hygiene.rs @@ -13,7 +13,7 @@ macro_rules! first_macro { } } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="hir_owner_nodes,typeck,optimized_mir,promoted_mir", cfg="rpass2")] #[inline(always)] pub fn changed_fn() { // This will cause additional hygiene to be generate, diff --git a/src/test/incremental/ich_method_call_trait_scope.rs b/src/test/incremental/ich_method_call_trait_scope.rs index 6d7d446cb7c..5566506c039 100644 --- a/src/test/incremental/ich_method_call_trait_scope.rs +++ b/src/test/incremental/ich_method_call_trait_scope.rs @@ -26,16 +26,12 @@ mod mod3 { #[cfg(rpass2)] use Trait2; - #[rustc_clean(label="hir_owner", cfg="rpass2")] - #[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] - #[rustc_dirty(label="typeck", cfg="rpass2")] + #[rustc_clean(except="typeck", cfg="rpass2")] fn bar() { ().method(); } - #[rustc_clean(label="hir_owner", cfg="rpass2")] - #[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] - #[rustc_clean(label="typeck", cfg="rpass2")] + #[rustc_clean(cfg="rpass2")] fn baz() { 22; // no method call, traits in scope don't matter } diff --git a/src/test/incremental/ich_nested_items.rs b/src/test/incremental/ich_nested_items.rs index 8df54467e5e..379c09575ed 100644 --- a/src/test/incremental/ich_nested_items.rs +++ b/src/test/incremental/ich_nested_items.rs @@ -8,14 +8,12 @@ #![crate_type = "rlib"] #![feature(rustc_attrs)] -#[rustc_clean(label = "hir_owner", cfg = "cfail2")] -#[rustc_dirty(label = "hir_owner_nodes", cfg = "cfail2")] +#[rustc_clean(except = "hir_owner_nodes", cfg = "cfail2")] pub fn foo() { #[cfg(cfail1)] pub fn baz() {} // order is different... - #[rustc_clean(label = "hir_owner", cfg = "cfail2")] - #[rustc_clean(label = "hir_owner_nodes", cfg = "cfail2")] + #[rustc_clean(cfg = "cfail2")] pub fn bar() {} // but that doesn't matter. #[cfg(cfail2)] diff --git a/src/test/incremental/ich_resolve_results.rs b/src/test/incremental/ich_resolve_results.rs index 1fb0f8aa84d..e6ab6bcebae 100644 --- a/src/test/incremental/ich_resolve_results.rs +++ b/src/test/incremental/ich_resolve_results.rs @@ -29,18 +29,14 @@ mod mod3 { #[cfg(rpass3)] use mod2::Foo; - #[rustc_clean(label="hir_owner", cfg="rpass2")] - #[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] - #[rustc_clean(label="hir_owner", cfg="rpass3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="rpass3")] + #[rustc_clean(cfg="rpass2")] + #[rustc_clean(except="hir_owner_nodes,typeck", cfg="rpass3")] fn in_expr() { Foo(0); } - #[rustc_clean(label="hir_owner", cfg="rpass2")] - #[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] - #[rustc_clean(label="hir_owner", cfg="rpass3")] - #[rustc_dirty(label="hir_owner_nodes", cfg="rpass3")] + #[rustc_clean(cfg="rpass2")] + #[rustc_clean(except="hir_owner_nodes,typeck", cfg="rpass3")] fn in_type() { test::<Foo>(); } diff --git a/src/test/incremental/rlib_cross_crate/b.rs b/src/test/incremental/rlib_cross_crate/b.rs index 73846712b59..639cfc918cb 100644 --- a/src/test/incremental/rlib_cross_crate/b.rs +++ b/src/test/incremental/rlib_cross_crate/b.rs @@ -12,15 +12,15 @@ extern crate a; -#[rustc_dirty(label="typeck", cfg="rpass2")] -#[rustc_clean(label="typeck", cfg="rpass3")] +#[rustc_clean(except="typeck,optimized_mir", cfg="rpass2")] +#[rustc_clean(cfg="rpass3")] pub fn use_X() -> u32 { let x: a::X = 22; x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] -#[rustc_clean(label="typeck", cfg="rpass3")] +#[rustc_clean(cfg="rpass2")] +#[rustc_clean(cfg="rpass3")] pub fn use_Y() { let x: a::Y = 'c'; } diff --git a/src/test/incremental/source_loc_macros.rs b/src/test/incremental/source_loc_macros.rs index f18d2fdaf0a..e5f04e5dc58 100644 --- a/src/test/incremental/source_loc_macros.rs +++ b/src/test/incremental/source_loc_macros.rs @@ -7,26 +7,22 @@ #![feature(rustc_attrs)] -#[rustc_clean(label="hir_owner", cfg="rpass2")] -#[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] fn line_same() { let _ = line!(); } -#[rustc_clean(label="hir_owner", cfg="rpass2")] -#[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] fn col_same() { let _ = column!(); } -#[rustc_clean(label="hir_owner", cfg="rpass2")] -#[rustc_clean(label="hir_owner_nodes", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] fn file_same() { let _ = file!(); } -#[rustc_clean(label="hir_owner", cfg="rpass2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="rpass2")] +#[rustc_clean(except="hir_owner_nodes,optimized_mir", cfg="rpass2")] fn line_different() { #[cfg(rpass1)] { @@ -38,8 +34,7 @@ fn line_different() { } } -#[rustc_clean(label="hir_owner", cfg="rpass2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="rpass2")] +#[rustc_clean(except="hir_owner_nodes,optimized_mir", cfg="rpass2")] fn col_different() { #[cfg(rpass1)] { diff --git a/src/test/incremental/span_hash_stable/auxiliary/sub1.rs b/src/test/incremental/span_hash_stable/auxiliary/sub1.rs index 2927ddec4e5..70e2ea06b7e 100644 --- a/src/test/incremental/span_hash_stable/auxiliary/sub1.rs +++ b/src/test/incremental/span_hash_stable/auxiliary/sub1.rs @@ -1,4 +1,4 @@ -#[rustc_clean(label="hir_owner", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub struct SomeType { pub x: u32, pub y: i64, diff --git a/src/test/incremental/span_hash_stable/auxiliary/sub2.rs b/src/test/incremental/span_hash_stable/auxiliary/sub2.rs index aa635077db8..1167cdb0a82 100644 --- a/src/test/incremental/span_hash_stable/auxiliary/sub2.rs +++ b/src/test/incremental/span_hash_stable/auxiliary/sub2.rs @@ -1,4 +1,4 @@ -#[rustc_clean(label="hir_owner", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub struct SomeOtherType { pub a: i32, pub b: u64, diff --git a/src/test/incremental/spans_significant_w_debuginfo.rs b/src/test/incremental/spans_significant_w_debuginfo.rs index aff2be830ff..8506636e22b 100644 --- a/src/test/incremental/spans_significant_w_debuginfo.rs +++ b/src/test/incremental/spans_significant_w_debuginfo.rs @@ -12,6 +12,5 @@ pub fn main() {} #[cfg(rpass2)] -#[rustc_dirty(label="hir_owner", cfg="rpass2")] -#[rustc_dirty(label="hir_owner_nodes", cfg="rpass2")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,optimized_mir", cfg="rpass2")] pub fn main() {} diff --git a/src/test/incremental/spans_significant_w_panic.rs b/src/test/incremental/spans_significant_w_panic.rs index 37728af9516..a29b61ab153 100644 --- a/src/test/incremental/spans_significant_w_panic.rs +++ b/src/test/incremental/spans_significant_w_panic.rs @@ -13,7 +13,7 @@ pub fn main() { } #[cfg(rpass2)] -#[rustc_dirty(label="optimized_mir", cfg="rpass2")] +#[rustc_clean(except="hir_owner,hir_owner_nodes,optimized_mir", cfg="rpass2")] pub fn main() { let _ = 0u8 + 1; } diff --git a/src/test/incremental/string_constant.rs b/src/test/incremental/string_constant.rs index 2fc72529431..866f51d759e 100644 --- a/src/test/incremental/string_constant.rs +++ b/src/test/incremental/string_constant.rs @@ -18,8 +18,7 @@ pub mod x { } #[cfg(cfail2)] - #[rustc_dirty(label="hir_owner_nodes", cfg="cfail2")] - #[rustc_dirty(label="optimized_mir", cfg="cfail2")] + #[rustc_clean(except="hir_owner,hir_owner_nodes,optimized_mir,promoted_mir", cfg="cfail2")] pub fn x() { println!("{}", "2"); } @@ -28,8 +27,7 @@ pub mod x { pub mod y { use x; - #[rustc_clean(label="typeck", cfg="cfail2")] - #[rustc_clean(label="optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn y() { x::x(); } @@ -38,8 +36,7 @@ pub mod y { pub mod z { use y; - #[rustc_clean(label="typeck", cfg="cfail2")] - #[rustc_clean(label="optimized_mir", cfg="cfail2")] + #[rustc_clean(cfg="cfail2")] pub fn z() { y::y(); } diff --git a/src/test/incremental/struct_add_field.rs b/src/test/incremental/struct_add_field.rs index 4c29f196f67..720854f1605 100644 --- a/src/test/incremental/struct_add_field.rs +++ b/src/test/incremental/struct_add_field.rs @@ -21,17 +21,17 @@ pub struct Y { pub y: char } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="fn_sig,typeck", cfg="rpass2")] pub fn use_X(x: X) -> u32 { x.x as u32 } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn use_EmbedX(embed: EmbedX) -> u32 { embed.x.x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_Y() { let x: Y = Y { y: 'c' }; } diff --git a/src/test/incremental/struct_change_field_name.rs b/src/test/incremental/struct_change_field_name.rs index ee88fbdf592..7498d0305e0 100644 --- a/src/test/incremental/struct_change_field_name.rs +++ b/src/test/incremental/struct_change_field_name.rs @@ -24,7 +24,7 @@ pub struct Y { pub y: char } -#[rustc_dirty(label="typeck", cfg="cfail2")] +#[rustc_clean(except="typeck", cfg="cfail2")] pub fn use_X() -> u32 { let x: X = X { x: 22 }; //[cfail2]~^ ERROR struct `X` has no field named `x` @@ -32,13 +32,13 @@ pub fn use_X() -> u32 { //[cfail2]~^ ERROR no field `x` on type `X` } -#[rustc_dirty(label="typeck", cfg="cfail2")] +#[rustc_clean(except="typeck", cfg="cfail2")] pub fn use_EmbedX(embed: EmbedX) -> u32 { embed.x.x as u32 //[cfail2]~^ ERROR no field `x` on type `X` } -#[rustc_clean(label="typeck", cfg="cfail2")] +#[rustc_clean(cfg="cfail2")] pub fn use_Y() { let x: Y = Y { y: 'c' }; } diff --git a/src/test/incremental/struct_change_field_type.rs b/src/test/incremental/struct_change_field_type.rs index b60b4b311ee..37d2fba9901 100644 --- a/src/test/incremental/struct_change_field_type.rs +++ b/src/test/incremental/struct_change_field_type.rs @@ -24,19 +24,19 @@ pub struct Y { pub y: char } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn use_X() -> u32 { let x: X = X { x: 22 }; x.x as u32 } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn use_EmbedX(x: EmbedX) -> u32 { let x: X = X { x: 22 }; x.x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_Y() { let x: Y = Y { y: 'c' }; } diff --git a/src/test/incremental/struct_change_field_type_cross_crate/b.rs b/src/test/incremental/struct_change_field_type_cross_crate/b.rs index 0221d510eab..c78207bcb1a 100644 --- a/src/test/incremental/struct_change_field_type_cross_crate/b.rs +++ b/src/test/incremental/struct_change_field_type_cross_crate/b.rs @@ -8,18 +8,18 @@ extern crate a; use a::*; -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn use_X() -> u32 { let x: X = X { x: 22 }; x.x as u32 } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn use_EmbedX(embed: EmbedX) -> u32 { embed.x.x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_Y() { let x: Y = Y { y: 'c' }; } diff --git a/src/test/incremental/struct_change_nothing.rs b/src/test/incremental/struct_change_nothing.rs index 3ab90e966fb..de30c818cfe 100644 --- a/src/test/incremental/struct_change_nothing.rs +++ b/src/test/incremental/struct_change_nothing.rs @@ -24,19 +24,19 @@ pub struct Y { pub y: char } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_X() -> u32 { let x: X = X { x: 22 }; x.x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_EmbedX(x: EmbedX) -> u32 { let x: X = X { x: 22 }; x.x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_Y() { let x: Y = Y { y: 'c' }; } diff --git a/src/test/incremental/struct_remove_field.rs b/src/test/incremental/struct_remove_field.rs index f6017b1b1c3..b97a87e0962 100644 --- a/src/test/incremental/struct_remove_field.rs +++ b/src/test/incremental/struct_remove_field.rs @@ -25,17 +25,17 @@ pub struct Y { pub y: char } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck,fn_sig", cfg="rpass2")] pub fn use_X(x: X) -> u32 { x.x as u32 } -#[rustc_dirty(label="typeck", cfg="rpass2")] +#[rustc_clean(except="typeck", cfg="rpass2")] pub fn use_EmbedX(embed: EmbedX) -> u32 { embed.x.x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass2")] pub fn use_Y() { let x: Y = Y { y: 'c' }; } diff --git a/src/test/incremental/type_alias_cross_crate/b.rs b/src/test/incremental/type_alias_cross_crate/b.rs index 05c926fdded..f6c2526841c 100644 --- a/src/test/incremental/type_alias_cross_crate/b.rs +++ b/src/test/incremental/type_alias_cross_crate/b.rs @@ -6,15 +6,15 @@ extern crate a; -#[rustc_dirty(label="typeck", cfg="rpass2")] -#[rustc_clean(label="typeck", cfg="rpass3")] +#[rustc_clean(except="typeck", cfg="rpass2")] +#[rustc_clean(cfg="rpass3")] pub fn use_X() -> u32 { let x: a::X = 22; x as u32 } -#[rustc_clean(label="typeck", cfg="rpass2")] -#[rustc_clean(label="typeck", cfg="rpass3")] +#[rustc_clean(cfg="rpass2")] +#[rustc_clean(cfg="rpass3")] pub fn use_Y() { let x: a::Y = 'c'; } diff --git a/src/test/incremental/unchecked_dirty_clean.rs b/src/test/incremental/unchecked_dirty_clean.rs index 3bc8818aa6f..3c8692a302d 100644 --- a/src/test/incremental/unchecked_dirty_clean.rs +++ b/src/test/incremental/unchecked_dirty_clean.rs @@ -4,31 +4,31 @@ #![allow(warnings)] #![feature(rustc_attrs)] -// Sanity check for the dirty-clean system. We add #[rustc_dirty]/#[rustc_clean] +// Sanity check for the dirty-clean system. We add #[rustc_clean] // attributes in places that are not checked and make sure that this causes an // error. fn main() { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - //[cfail2]~^ ERROR found unchecked `#[rustc_dirty]` / `#[rustc_clean]` attribute + #[rustc_clean(except="hir_owner", cfg="cfail2")] + //[cfail2]~^ ERROR found unchecked `#[rustc_clean]` attribute { // empty block } - #[rustc_clean(label="hir_owner", cfg="cfail2")] - //[cfail2]~^ ERROR found unchecked `#[rustc_dirty]` / `#[rustc_clean]` attribute + #[rustc_clean(cfg="cfail2")] + //[cfail2]~^ ERROR found unchecked `#[rustc_clean]` attribute { // empty block } } struct _Struct { - #[rustc_dirty(label="hir_owner", cfg="cfail2")] - //[cfail2]~^ ERROR found unchecked `#[rustc_dirty]` / `#[rustc_clean]` attribute + #[rustc_clean(except="hir_owner", cfg="cfail2")] + //[cfail2]~^ ERROR found unchecked `#[rustc_clean]` attribute _field1: i32, - #[rustc_clean(label="hir_owner", cfg="cfail2")] - //[cfail2]~^ ERROR found unchecked `#[rustc_dirty]` / `#[rustc_clean]` attribute + #[rustc_clean(cfg="cfail2")] + //[cfail2]~^ ERROR found unchecked `#[rustc_clean]` attribute _field2: i32, } diff --git a/src/test/mir-opt/bool_compare.opt1.InstCombine.diff b/src/test/mir-opt/bool_compare.opt1.InstCombine.diff new file mode 100644 index 00000000000..a14f64467a6 --- /dev/null +++ b/src/test/mir-opt/bool_compare.opt1.InstCombine.diff @@ -0,0 +1,35 @@ +- // MIR for `opt1` before InstCombine ++ // MIR for `opt1` after InstCombine + + fn opt1(_1: bool) -> u32 { + debug x => _1; // in scope 0 at $DIR/bool_compare.rs:2:9: 2:10 + let mut _0: u32; // return place in scope 0 at $DIR/bool_compare.rs:2:21: 2:24 + let mut _2: bool; // in scope 0 at $DIR/bool_compare.rs:3:8: 3:17 + let mut _3: bool; // in scope 0 at $DIR/bool_compare.rs:3:8: 3:9 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/bool_compare.rs:3:8: 3:17 + StorageLive(_3); // scope 0 at $DIR/bool_compare.rs:3:8: 3:9 + _3 = _1; // scope 0 at $DIR/bool_compare.rs:3:8: 3:9 +- _2 = Ne(move _3, const true); // scope 0 at $DIR/bool_compare.rs:3:8: 3:17 ++ _2 = Not(move _3); // scope 0 at $DIR/bool_compare.rs:3:8: 3:17 + StorageDead(_3); // scope 0 at $DIR/bool_compare.rs:3:16: 3:17 + switchInt(move _2) -> [false: bb2, otherwise: bb1]; // scope 0 at $DIR/bool_compare.rs:3:5: 3:34 + } + + bb1: { + _0 = const 0_u32; // scope 0 at $DIR/bool_compare.rs:3:20: 3:21 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:3:5: 3:34 + } + + bb2: { + _0 = const 1_u32; // scope 0 at $DIR/bool_compare.rs:3:31: 3:32 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:3:5: 3:34 + } + + bb3: { + StorageDead(_2); // scope 0 at $DIR/bool_compare.rs:3:33: 3:34 + return; // scope 0 at $DIR/bool_compare.rs:4:2: 4:2 + } + } + diff --git a/src/test/mir-opt/bool_compare.opt2.InstCombine.diff b/src/test/mir-opt/bool_compare.opt2.InstCombine.diff new file mode 100644 index 00000000000..4e9c255ad62 --- /dev/null +++ b/src/test/mir-opt/bool_compare.opt2.InstCombine.diff @@ -0,0 +1,35 @@ +- // MIR for `opt2` before InstCombine ++ // MIR for `opt2` after InstCombine + + fn opt2(_1: bool) -> u32 { + debug x => _1; // in scope 0 at $DIR/bool_compare.rs:7:9: 7:10 + let mut _0: u32; // return place in scope 0 at $DIR/bool_compare.rs:7:21: 7:24 + let mut _2: bool; // in scope 0 at $DIR/bool_compare.rs:8:8: 8:17 + let mut _3: bool; // in scope 0 at $DIR/bool_compare.rs:8:16: 8:17 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/bool_compare.rs:8:8: 8:17 + StorageLive(_3); // scope 0 at $DIR/bool_compare.rs:8:16: 8:17 + _3 = _1; // scope 0 at $DIR/bool_compare.rs:8:16: 8:17 +- _2 = Ne(const true, move _3); // scope 0 at $DIR/bool_compare.rs:8:8: 8:17 ++ _2 = Not(move _3); // scope 0 at $DIR/bool_compare.rs:8:8: 8:17 + StorageDead(_3); // scope 0 at $DIR/bool_compare.rs:8:16: 8:17 + switchInt(move _2) -> [false: bb2, otherwise: bb1]; // scope 0 at $DIR/bool_compare.rs:8:5: 8:34 + } + + bb1: { + _0 = const 0_u32; // scope 0 at $DIR/bool_compare.rs:8:20: 8:21 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:8:5: 8:34 + } + + bb2: { + _0 = const 1_u32; // scope 0 at $DIR/bool_compare.rs:8:31: 8:32 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:8:5: 8:34 + } + + bb3: { + StorageDead(_2); // scope 0 at $DIR/bool_compare.rs:8:33: 8:34 + return; // scope 0 at $DIR/bool_compare.rs:9:2: 9:2 + } + } + diff --git a/src/test/mir-opt/bool_compare.opt3.InstCombine.diff b/src/test/mir-opt/bool_compare.opt3.InstCombine.diff new file mode 100644 index 00000000000..2048c97a9e1 --- /dev/null +++ b/src/test/mir-opt/bool_compare.opt3.InstCombine.diff @@ -0,0 +1,35 @@ +- // MIR for `opt3` before InstCombine ++ // MIR for `opt3` after InstCombine + + fn opt3(_1: bool) -> u32 { + debug x => _1; // in scope 0 at $DIR/bool_compare.rs:12:9: 12:10 + let mut _0: u32; // return place in scope 0 at $DIR/bool_compare.rs:12:21: 12:24 + let mut _2: bool; // in scope 0 at $DIR/bool_compare.rs:13:8: 13:18 + let mut _3: bool; // in scope 0 at $DIR/bool_compare.rs:13:8: 13:9 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/bool_compare.rs:13:8: 13:18 + StorageLive(_3); // scope 0 at $DIR/bool_compare.rs:13:8: 13:9 + _3 = _1; // scope 0 at $DIR/bool_compare.rs:13:8: 13:9 +- _2 = Eq(move _3, const false); // scope 0 at $DIR/bool_compare.rs:13:8: 13:18 ++ _2 = Not(move _3); // scope 0 at $DIR/bool_compare.rs:13:8: 13:18 + StorageDead(_3); // scope 0 at $DIR/bool_compare.rs:13:17: 13:18 + switchInt(move _2) -> [false: bb2, otherwise: bb1]; // scope 0 at $DIR/bool_compare.rs:13:5: 13:35 + } + + bb1: { + _0 = const 0_u32; // scope 0 at $DIR/bool_compare.rs:13:21: 13:22 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:13:5: 13:35 + } + + bb2: { + _0 = const 1_u32; // scope 0 at $DIR/bool_compare.rs:13:32: 13:33 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:13:5: 13:35 + } + + bb3: { + StorageDead(_2); // scope 0 at $DIR/bool_compare.rs:13:34: 13:35 + return; // scope 0 at $DIR/bool_compare.rs:14:2: 14:2 + } + } + diff --git a/src/test/mir-opt/bool_compare.opt4.InstCombine.diff b/src/test/mir-opt/bool_compare.opt4.InstCombine.diff new file mode 100644 index 00000000000..efcaa2766a9 --- /dev/null +++ b/src/test/mir-opt/bool_compare.opt4.InstCombine.diff @@ -0,0 +1,35 @@ +- // MIR for `opt4` before InstCombine ++ // MIR for `opt4` after InstCombine + + fn opt4(_1: bool) -> u32 { + debug x => _1; // in scope 0 at $DIR/bool_compare.rs:17:9: 17:10 + let mut _0: u32; // return place in scope 0 at $DIR/bool_compare.rs:17:21: 17:24 + let mut _2: bool; // in scope 0 at $DIR/bool_compare.rs:18:8: 18:18 + let mut _3: bool; // in scope 0 at $DIR/bool_compare.rs:18:17: 18:18 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/bool_compare.rs:18:8: 18:18 + StorageLive(_3); // scope 0 at $DIR/bool_compare.rs:18:17: 18:18 + _3 = _1; // scope 0 at $DIR/bool_compare.rs:18:17: 18:18 +- _2 = Eq(const false, move _3); // scope 0 at $DIR/bool_compare.rs:18:8: 18:18 ++ _2 = Not(move _3); // scope 0 at $DIR/bool_compare.rs:18:8: 18:18 + StorageDead(_3); // scope 0 at $DIR/bool_compare.rs:18:17: 18:18 + switchInt(move _2) -> [false: bb2, otherwise: bb1]; // scope 0 at $DIR/bool_compare.rs:18:5: 18:35 + } + + bb1: { + _0 = const 0_u32; // scope 0 at $DIR/bool_compare.rs:18:21: 18:22 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:18:5: 18:35 + } + + bb2: { + _0 = const 1_u32; // scope 0 at $DIR/bool_compare.rs:18:32: 18:33 + goto -> bb3; // scope 0 at $DIR/bool_compare.rs:18:5: 18:35 + } + + bb3: { + StorageDead(_2); // scope 0 at $DIR/bool_compare.rs:18:34: 18:35 + return; // scope 0 at $DIR/bool_compare.rs:19:2: 19:2 + } + } + diff --git a/src/test/mir-opt/bool_compare.rs b/src/test/mir-opt/bool_compare.rs new file mode 100644 index 00000000000..3ff046325dc --- /dev/null +++ b/src/test/mir-opt/bool_compare.rs @@ -0,0 +1,26 @@ +// EMIT_MIR bool_compare.opt1.InstCombine.diff +fn opt1(x: bool) -> u32 { + if x != true { 0 } else { 1 } +} + +// EMIT_MIR bool_compare.opt2.InstCombine.diff +fn opt2(x: bool) -> u32 { + if true != x { 0 } else { 1 } +} + +// EMIT_MIR bool_compare.opt3.InstCombine.diff +fn opt3(x: bool) -> u32 { + if x == false { 0 } else { 1 } +} + +// EMIT_MIR bool_compare.opt4.InstCombine.diff +fn opt4(x: bool) -> u32 { + if false == x { 0 } else { 1 } +} + +fn main() { + opt1(false); + opt2(false); + opt3(false); + opt4(false); +} diff --git a/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff b/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff index 8bb5dbc48fe..2566d745ecd 100644 --- a/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff +++ b/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff @@ -30,7 +30,7 @@ - _3 = [move _4]; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 - _2 = &_3; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 + // + span: $DIR/const-promotion-extern-static.rs:9:31: 9:35 -+ // + literal: Const { ty: &[&i32; 1], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:6 ~ const_promotion_extern_static[55e6]::BAR), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } ++ // + literal: Const { ty: &[&i32; 1], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:6 ~ const_promotion_extern_static[317d]::BAR), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + _2 = &(*_6); // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 _1 = move _2 as &[&i32] (Pointer(Unsize)); // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 - StorageDead(_4); // scope 0 at $DIR/const-promotion-extern-static.rs:9:34: 9:35 diff --git a/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff b/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff index 54f1200a21f..093e228a0ce 100644 --- a/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff +++ b/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff @@ -32,7 +32,7 @@ - _3 = [move _4]; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 - _2 = &_3; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 + // + span: $DIR/const-promotion-extern-static.rs:13:31: 13:46 -+ // + literal: Const { ty: &[&i32; 1], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:7 ~ const_promotion_extern_static[55e6]::FOO), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } ++ // + literal: Const { ty: &[&i32; 1], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:7 ~ const_promotion_extern_static[317d]::FOO), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + _2 = &(*_6); // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 _1 = move _2 as &[&i32] (Pointer(Unsize)); // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 - StorageDead(_4); // scope 0 at $DIR/const-promotion-extern-static.rs:13:45: 13:46 diff --git a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff index db6e1369161..0517e7fac40 100644 --- a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff +++ b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff @@ -31,7 +31,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 - // + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[8240]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _3 = _9; // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 _2 = &raw const (*_3); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 diff --git a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff index db6e1369161..0517e7fac40 100644 --- a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff +++ b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff @@ -31,7 +31,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 - // + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[8240]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _3 = _9; // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 _2 = &raw const (*_3); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 diff --git a/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff b/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff index d7bc035e667..28c80b346e7 100644 --- a/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff @@ -22,7 +22,7 @@ // + val: Unevaluated(FOO, [], None) // mir::Constant // + span: $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[2706]::main::FOO), const_param_did: None }, substs: [], promoted: None }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, substs: [], promoted: None }) } _2 = &raw const (*_3); // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 _1 = move _2 as usize (Misc); // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:39 StorageDead(_2); // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:38: 7:39 diff --git a/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff b/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff index 4e19465189c..ae77443e019 100644 --- a/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff @@ -17,7 +17,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/ref_deref.rs:5:6: 5:10 - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[cb9b]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _2 = _4; // scope 0 at $DIR/ref_deref.rs:5:6: 5:10 - _1 = (*_2); // scope 0 at $DIR/ref_deref.rs:5:5: 5:10 + _1 = const 4_i32; // scope 0 at $DIR/ref_deref.rs:5:5: 5:10 diff --git a/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff b/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff index a58dabdaa41..402a28f3f9f 100644 --- a/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff +++ b/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff @@ -20,7 +20,7 @@ + // + val: Unevaluated(main, [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/ref_deref.rs:5:6: 5:10 -+ // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[cb9b]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } ++ // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + _2 = &(*_4); // scope 0 at $DIR/ref_deref.rs:5:6: 5:10 _1 = (*_2); // scope 0 at $DIR/ref_deref.rs:5:5: 5:10 - StorageDead(_3); // scope 0 at $DIR/ref_deref.rs:5:10: 5:11 diff --git a/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff b/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff index bb265b2af7d..b97d7d1be15 100644 --- a/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff @@ -17,7 +17,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/ref_deref_project.rs:5:6: 5:17 - // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[e8c3]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _2 = &((*_4).1: i32); // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 _1 = (*_2); // scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 StorageDead(_2); // scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 diff --git a/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff b/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff index bb7570fabbb..48ede27112c 100644 --- a/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff +++ b/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff @@ -20,7 +20,7 @@ + // + val: Unevaluated(main, [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/ref_deref_project.rs:5:6: 5:17 -+ // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[e8c3]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } ++ // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + _2 = &((*_4).1: i32); // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 _1 = (*_2); // scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 - StorageDead(_3); // scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 diff --git a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff index d5a36182e35..27791852d6d 100644 --- a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff +++ b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff @@ -24,7 +24,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/slice_len.rs:5:6: 5:19 - // + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[6547]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _4 = _9; // scope 0 at $DIR/slice_len.rs:5:6: 5:19 _3 = _4; // scope 0 at $DIR/slice_len.rs:5:6: 5:19 _2 = move _3 as &[u32] (Pointer(Unsize)); // scope 0 at $DIR/slice_len.rs:5:6: 5:19 diff --git a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff index d5a36182e35..27791852d6d 100644 --- a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff +++ b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff @@ -24,7 +24,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/slice_len.rs:5:6: 5:19 - // + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[6547]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _4 = _9; // scope 0 at $DIR/slice_len.rs:5:6: 5:19 _3 = _4; // scope 0 at $DIR/slice_len.rs:5:6: 5:19 _2 = move _3 as &[u32] (Pointer(Unsize)); // scope 0 at $DIR/slice_len.rs:5:6: 5:19 diff --git a/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir b/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir index 5ceefce6114..1aabee83be6 100644 --- a/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir +++ b/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir @@ -38,7 +38,7 @@ fn bar() -> bool { // + val: Unevaluated(bar, [], Some(promoted[1])) // mir::Constant // + span: $DIR/inline-retag.rs:12:7: 12:9 - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[a78c]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[1]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[1]) }) } Retag(_10); // scope 1 at $DIR/inline-retag.rs:12:7: 12:9 _4 = &(*_10); // scope 1 at $DIR/inline-retag.rs:12:7: 12:9 Retag(_4); // scope 1 at $DIR/inline-retag.rs:12:7: 12:9 @@ -52,7 +52,7 @@ fn bar() -> bool { // + val: Unevaluated(bar, [], Some(promoted[0])) // mir::Constant // + span: $DIR/inline-retag.rs:12:11: 12:14 - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[a78c]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } Retag(_9); // scope 1 at $DIR/inline-retag.rs:12:11: 12:14 _7 = &(*_9); // scope 1 at $DIR/inline-retag.rs:12:11: 12:14 Retag(_7); // scope 1 at $DIR/inline-retag.rs:12:11: 12:14 diff --git a/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff b/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff index e955feb7d1f..95a8ef997fa 100644 --- a/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff +++ b/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff @@ -66,7 +66,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[2d0f]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _8 = _20; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_6.0: &i32) = move _7; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_6.1: &i32) = move _8; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL diff --git a/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff b/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff index e955feb7d1f..95a8ef997fa 100644 --- a/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff +++ b/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff @@ -66,7 +66,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[2d0f]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _8 = _20; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_6.0: &i32) = move _7; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_6.1: &i32) = move _8; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL diff --git a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff index ff8c410a726..261eb3b27ea 100644 --- a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff +++ b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff @@ -87,7 +87,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[2d0f]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _11 = _28; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_9.0: &i32) = move _10; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_9.1: &i32) = move _11; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL diff --git a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff index ff8c410a726..261eb3b27ea 100644 --- a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff +++ b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff @@ -87,7 +87,7 @@ // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[2d0f]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _11 = _28; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_9.0: &i32) = move _10; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL (_9.1: &i32) = move _11; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL diff --git a/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff b/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff index acb8aca7590..a37df4da9ae 100644 --- a/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff +++ b/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff @@ -50,7 +50,7 @@ // + val: Unevaluated(discriminant, [T], Some(promoted[2])) // mir::Constant // + span: $DIR/lower_intrinsics.rs:70:42: 70:44 - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[2872]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[2]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[2]) }) } _7 = &(*_19); // scope 0 at $DIR/lower_intrinsics.rs:70:42: 70:44 _6 = &(*_7); // scope 0 at $DIR/lower_intrinsics.rs:70:42: 70:44 - _5 = discriminant_value::<i32>(move _6) -> bb2; // scope 0 at $DIR/lower_intrinsics.rs:70:5: 70:45 @@ -74,7 +74,7 @@ // + val: Unevaluated(discriminant, [T], Some(promoted[1])) // mir::Constant // + span: $DIR/lower_intrinsics.rs:71:42: 71:45 - // + literal: Const { ty: &(), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[2872]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[1]) }) } + // + literal: Const { ty: &(), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[1]) }) } _11 = &(*_18); // scope 0 at $DIR/lower_intrinsics.rs:71:42: 71:45 _10 = &(*_11); // scope 0 at $DIR/lower_intrinsics.rs:71:42: 71:45 - _9 = discriminant_value::<()>(move _10) -> bb3; // scope 0 at $DIR/lower_intrinsics.rs:71:5: 71:46 @@ -98,7 +98,7 @@ // + val: Unevaluated(discriminant, [T], Some(promoted[0])) // mir::Constant // + span: $DIR/lower_intrinsics.rs:72:42: 72:47 - // + literal: Const { ty: &E, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[2872]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &E, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[0]) }) } _15 = &(*_17); // scope 0 at $DIR/lower_intrinsics.rs:72:42: 72:47 _14 = &(*_15); // scope 0 at $DIR/lower_intrinsics.rs:72:42: 72:47 - _13 = discriminant_value::<E>(move _14) -> bb4; // scope 0 at $DIR/lower_intrinsics.rs:72:5: 72:48 diff --git a/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir b/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir index c27ee528b80..5af242376c9 100644 --- a/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir +++ b/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir @@ -57,7 +57,7 @@ fn full_tested_match() -> () { // + val: Unevaluated(full_tested_match, [], Some(promoted[0])) // mir::Constant // + span: $DIR/match_false_edges.rs:16:14: 16:15 - // + literal: Const { ty: &std::option::Option<i32>, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ match_false_edges[4011]::full_tested_match), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &std::option::Option<i32>, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ match_false_edges[317d]::full_tested_match), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } _6 = &(((*_11) as Some).0: i32); // scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 _4 = &shallow _2; // scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 StorageLive(_7); // scope 0 at $DIR/match_false_edges.rs:16:20: 16:27 diff --git a/src/test/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.mir index 787310d072a..c6ef403c3c1 100644 --- a/src/test/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.mir +++ b/src/test/mir-opt/retag.array_casts.SimplifyCfg-elaborate-drops.after.mir @@ -127,7 +127,7 @@ fn array_casts() -> () { // + val: Unevaluated(array_casts, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL - // + literal: Const { ty: &usize, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:15 ~ retag[13e7]::array_casts), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &usize, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:15 ~ retag[317d]::array_casts), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } Retag(_35); // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL _18 = &(*_35); // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL Retag(_18); // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL diff --git a/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir index 8abc6a3e4b5..4bab5a97488 100644 --- a/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir +++ b/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir @@ -113,7 +113,7 @@ fn main() -> () { StorageLive(_14); // scope 1 at $DIR/retag.rs:40:31: 43:6 _14 = [closure@main::{closure#0}]; // scope 1 at $DIR/retag.rs:40:31: 43:6 // closure - // + def_id: DefId(0:14 ~ retag[13e7]::main::{closure#0}) + // + def_id: DefId(0:14 ~ retag[317d]::main::{closure#0}) // + substs: [ // i8, // for<'r> extern "rust-call" fn((&'r i32,)) -> &'r i32, @@ -153,7 +153,7 @@ fn main() -> () { // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/retag.rs:47:21: 47:23 - // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:13 ~ retag[13e7]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:13 ~ retag[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } Retag(_28); // scope 7 at $DIR/retag.rs:47:21: 47:23 _23 = &(*_28); // scope 7 at $DIR/retag.rs:47:21: 47:23 Retag(_23); // scope 7 at $DIR/retag.rs:47:21: 47:23 diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async2.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async2.txt index 322f5681b3f..dc06a485a8f 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async2.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async2.txt @@ -12,6 +12,7 @@ 12| 1| if b { 13| 1| println!("non_async_func println in block"); 14| 1| } + ^0 15| 1|} 16| | 17| | diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.conditions.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.conditions.txt index 656a2659775..2d8a98a5d0c 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.conditions.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.conditions.txt @@ -5,6 +5,7 @@ 5| 1| if true { 6| 1| countdown = 10; 7| 1| } + ^0 8| | 9| | const B: u32 = 100; 10| 1| let x = if countdown > 7 { @@ -24,6 +25,7 @@ 24| 1| if true { 25| 1| countdown = 10; 26| 1| } + ^0 27| | 28| 1| if countdown > 7 { 29| 1| countdown -= 4; @@ -42,6 +44,7 @@ 41| 1| if true { 42| 1| countdown = 10; 43| 1| } + ^0 44| | 45| 1| if countdown > 7 { 46| 1| countdown -= 4; @@ -54,13 +57,14 @@ 53| | } else { 54| 0| return; 55| | } - 56| | } // Note: closing brace shows uncovered (vs. `0` for implicit else) because condition literal - 57| | // `true` was const-evaluated. The compiler knows the `if` block will be executed. + 56| 0| } + 57| | 58| | 59| 1| let mut countdown = 0; 60| 1| if true { 61| 1| countdown = 1; 62| 1| } + ^0 63| | 64| 1| let z = if countdown > 7 { ^0 diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt index 1b6bb9ff889..7ae0e978808 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt @@ -9,7 +9,7 @@ 8| 1|//! assert_eq!(1, 1); 9| |//! } else { 10| |//! // this is not! - 11| |//! assert_eq!(1, 2); + 11| 0|//! assert_eq!(1, 2); 12| |//! } 13| 1|//! ``` 14| |//! @@ -84,7 +84,7 @@ 74| 1| if true { 75| 1| assert_eq!(1, 1); 76| | } else { - 77| | assert_eq!(1, 2); + 77| 0| assert_eq!(1, 2); 78| | } 79| 1|} 80| | diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.drop_trait.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.drop_trait.txt index fab5be41901..fe6a9e93cbf 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.drop_trait.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.drop_trait.txt @@ -19,11 +19,11 @@ 19| 1| if true { 20| 1| println!("Exiting with error..."); 21| 1| return Err(1); - 22| | } - 23| | - 24| | let _ = Firework { strength: 1000 }; - 25| | - 26| | Ok(()) + 22| 0| } + 23| 0| + 24| 0| let _ = Firework { strength: 1000 }; + 25| 0| + 26| 0| Ok(()) 27| 1|} 28| | 29| |// Expected program output: diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generator.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generator.txt new file mode 100644 index 00000000000..0fb3808ff2e --- /dev/null +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generator.txt @@ -0,0 +1,32 @@ + 1| |#![feature(generators, generator_trait)] + 2| | + 3| |use std::ops::{Generator, GeneratorState}; + 4| |use std::pin::Pin; + 5| | + 6| |// The following implementation of a function called from a `yield` statement + 7| |// (apparently requiring the Result and the `String` type or constructor) + 8| |// creates conditions where the `generator::StateTransform` MIR transform will + 9| |// drop all `Counter` `Coverage` statements from a MIR. `simplify.rs` has logic + 10| |// to handle this condition, and still report dead block coverage. + 11| 1|fn get_u32(val: bool) -> Result<u32, String> { + 12| 1| if val { Ok(1) } else { Err(String::from("some error")) } + ^0 + 13| 1|} + 14| | + 15| 1|fn main() { + 16| 1| let is_true = std::env::args().len() == 1; + 17| 1| let mut generator = || { + 18| 1| yield get_u32(is_true); + 19| 1| return "foo"; + 20| 1| }; + 21| | + 22| 1| match Pin::new(&mut generator).resume(()) { + 23| 1| GeneratorState::Yielded(Ok(1)) => {} + 24| 0| _ => panic!("unexpected return from resume"), + 25| | } + 26| 1| match Pin::new(&mut generator).resume(()) { + 27| 1| GeneratorState::Complete("foo") => {} + 28| 0| _ => panic!("unexpected return from resume"), + 29| | } + 30| 1|} + diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt index 7b38ffb87cb..8569513e842 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt @@ -11,16 +11,16 @@ 11| 3| self.strength = new_strength; 12| 3| } ------------------ - | <generics::Firework<f64>>::set_strength: - | 10| 2| fn set_strength(&mut self, new_strength: T) { - | 11| 2| self.strength = new_strength; - | 12| 2| } - ------------------ | <generics::Firework<i32>>::set_strength: | 10| 1| fn set_strength(&mut self, new_strength: T) { | 11| 1| self.strength = new_strength; | 12| 1| } ------------------ + | <generics::Firework<f64>>::set_strength: + | 10| 2| fn set_strength(&mut self, new_strength: T) { + | 11| 2| self.strength = new_strength; + | 12| 2| } + ------------------ 13| |} 14| | 15| |impl<T> Drop for Firework<T> where T: Copy + std::fmt::Display { @@ -52,15 +52,15 @@ 30| 1| if true { 31| 1| println!("Exiting with error..."); 32| 1| return Err(1); - 33| | } // The remaining lines below have no coverage because `if true` (with the constant literal - 34| | // `true`) is guaranteed to execute the `then` block, which is also guaranteed to `return`. - 35| | // Thankfully, in the normal case, conditions are not guaranteed ahead of time, and as shown - 36| | // in other tests, the lines below would have coverage (which would show they had `0` - 37| | // executions, assuming the condition still evaluated to `true`). - 38| | - 39| | let _ = Firework { strength: 1000 }; - 40| | - 41| | Ok(()) + 33| 0| } + 34| 0| + 35| 0| + 36| 0| + 37| 0| + 38| 0| + 39| 0| let _ = Firework { strength: 1000 }; + 40| 0| + 41| 0| Ok(()) 42| 1|} 43| | 44| |// Expected program output: diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt index 81d5c7d9034..5d572db7cc6 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt @@ -9,23 +9,23 @@ 9| 1| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { 10| 1| if true { 11| 1| if false { - 12| | while true { - 13| | } + 12| 0| while true { + 13| 0| } 14| 1| } - 15| 1| write!(f, "error")?; - ^0 - 16| | } else { - 17| | } + 15| 1| write!(f, "cool")?; + ^0 + 16| 0| } else { + 17| 0| } 18| | 19| 10| for i in 0..10 { 20| 10| if true { 21| 10| if false { - 22| | while true {} + 22| 0| while true {} 23| 10| } - 24| 10| write!(f, "error")?; - ^0 - 25| | } else { - 26| | } + 24| 10| write!(f, "cool")?; + ^0 + 25| 0| } else { + 26| 0| } 27| | } 28| 1| Ok(()) 29| 1| } @@ -36,21 +36,21 @@ 34| |impl std::fmt::Display for DisplayTest { 35| 1| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { 36| 1| if false { - 37| | } else { + 37| 0| } else { 38| 1| if false { - 39| | while true {} + 39| 0| while true {} 40| 1| } - 41| 1| write!(f, "error")?; - ^0 + 41| 1| write!(f, "cool")?; + ^0 42| | } 43| 10| for i in 0..10 { 44| 10| if false { - 45| | } else { + 45| 0| } else { 46| 10| if false { - 47| | while true {} + 47| 0| while true {} 48| 10| } - 49| 10| write!(f, "error")?; - ^0 + 49| 10| write!(f, "cool")?; + ^0 50| | } 51| | } 52| 1| Ok(()) diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.tight_inf_loop.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.tight_inf_loop.txt index 5adeef7d085..2d4c57f451a 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.tight_inf_loop.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.tight_inf_loop.txt @@ -1,6 +1,6 @@ 1| 1|fn main() { 2| 1| if false { - 3| | loop {} + 3| 0| loop {} 4| 1| } 5| 1|} diff --git a/src/test/run-make-fulldeps/coverage/conditions.rs b/src/test/run-make-fulldeps/coverage/conditions.rs index 8a2a0b53e58..057599d1b47 100644 --- a/src/test/run-make-fulldeps/coverage/conditions.rs +++ b/src/test/run-make-fulldeps/coverage/conditions.rs @@ -53,8 +53,8 @@ fn main() { } else { return; } - } // Note: closing brace shows uncovered (vs. `0` for implicit else) because condition literal - // `true` was const-evaluated. The compiler knows the `if` block will be executed. + } + let mut countdown = 0; if true { diff --git a/src/test/run-make-fulldeps/coverage/generator.rs b/src/test/run-make-fulldeps/coverage/generator.rs new file mode 100644 index 00000000000..4319991021e --- /dev/null +++ b/src/test/run-make-fulldeps/coverage/generator.rs @@ -0,0 +1,30 @@ +#![feature(generators, generator_trait)] + +use std::ops::{Generator, GeneratorState}; +use std::pin::Pin; + +// The following implementation of a function called from a `yield` statement +// (apparently requiring the Result and the `String` type or constructor) +// creates conditions where the `generator::StateTransform` MIR transform will +// drop all `Counter` `Coverage` statements from a MIR. `simplify.rs` has logic +// to handle this condition, and still report dead block coverage. +fn get_u32(val: bool) -> Result<u32, String> { + if val { Ok(1) } else { Err(String::from("some error")) } +} + +fn main() { + let is_true = std::env::args().len() == 1; + let mut generator = || { + yield get_u32(is_true); + return "foo"; + }; + + match Pin::new(&mut generator).resume(()) { + GeneratorState::Yielded(Ok(1)) => {} + _ => panic!("unexpected return from resume"), + } + match Pin::new(&mut generator).resume(()) { + GeneratorState::Complete("foo") => {} + _ => panic!("unexpected return from resume"), + } +} diff --git a/src/test/run-make-fulldeps/coverage/generics.rs b/src/test/run-make-fulldeps/coverage/generics.rs index cbeda35d3b8..18b38868496 100644 --- a/src/test/run-make-fulldeps/coverage/generics.rs +++ b/src/test/run-make-fulldeps/coverage/generics.rs @@ -30,11 +30,11 @@ fn main() -> Result<(),u8> { if true { println!("Exiting with error..."); return Err(1); - } // The remaining lines below have no coverage because `if true` (with the constant literal - // `true`) is guaranteed to execute the `then` block, which is also guaranteed to `return`. - // Thankfully, in the normal case, conditions are not guaranteed ahead of time, and as shown - // in other tests, the lines below would have coverage (which would show they had `0` - // executions, assuming the condition still evaluated to `true`). + } + + + + let _ = Firework { strength: 1000 }; diff --git a/src/test/run-make-fulldeps/coverage/loops_branches.rs b/src/test/run-make-fulldeps/coverage/loops_branches.rs index 4d9bbad3367..7116ce47f4b 100644 --- a/src/test/run-make-fulldeps/coverage/loops_branches.rs +++ b/src/test/run-make-fulldeps/coverage/loops_branches.rs @@ -12,7 +12,7 @@ impl std::fmt::Debug for DebugTest { while true { } } - write!(f, "error")?; + write!(f, "cool")?; } else { } @@ -21,7 +21,7 @@ impl std::fmt::Debug for DebugTest { if false { while true {} } - write!(f, "error")?; + write!(f, "cool")?; } else { } } @@ -38,7 +38,7 @@ impl std::fmt::Display for DisplayTest { if false { while true {} } - write!(f, "error")?; + write!(f, "cool")?; } for i in 0..10 { if false { @@ -46,7 +46,7 @@ impl std::fmt::Display for DisplayTest { if false { while true {} } - write!(f, "error")?; + write!(f, "cool")?; } } Ok(()) diff --git a/src/test/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs b/src/test/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs index a9e99d3c10e..443e2df357f 100644 --- a/src/test/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs +++ b/src/test/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs @@ -1,4 +1,5 @@ #![feature(rustc_private)] +#![deny(warnings)] extern crate rustc_codegen_ssa; extern crate rustc_errors; @@ -15,44 +16,28 @@ use rustc_codegen_ssa::back::linker::LinkerInfo; use rustc_codegen_ssa::traits::CodegenBackend; use rustc_codegen_ssa::{CodegenResults, CrateInfo}; use rustc_data_structures::fx::FxHashMap; -use rustc_data_structures::sync::MetadataRef; use rustc_errors::ErrorReported; -use rustc_middle::dep_graph::DepGraph; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; -use rustc_middle::middle::cstore::{EncodedMetadata, MetadataLoader, MetadataLoaderDyn}; -use rustc_middle::ty::query::Providers; +use rustc_middle::middle::cstore::EncodedMetadata; use rustc_middle::ty::TyCtxt; use rustc_session::config::OutputFilenames; use rustc_session::Session; -use rustc_target::spec::Target; use std::any::Any; -use std::path::Path; struct TheBackend; impl CodegenBackend for TheBackend { - fn metadata_loader(&self) -> Box<MetadataLoaderDyn> { - Box::new(rustc_codegen_ssa::back::metadata::DefaultMetadataLoader) - } - - fn provide(&self, providers: &mut Providers) {} - fn provide_extern(&self, providers: &mut Providers) {} - fn codegen_crate<'a, 'tcx>( &self, tcx: TyCtxt<'tcx>, metadata: EncodedMetadata, _need_metadata_module: bool, ) -> Box<dyn Any> { - use rustc_hir::def_id::LOCAL_CRATE; - Box::new(CodegenResults { - crate_name: tcx.crate_name(LOCAL_CRATE), modules: vec![], allocator_module: None, metadata_module: None, metadata, - windows_subsystem: None, linker_info: LinkerInfo::new(tcx, "fake_target_cpu".to_string()), crate_info: CrateInfo::new(tcx), }) @@ -77,7 +62,7 @@ impl CodegenBackend for TheBackend { ) -> Result<(), ErrorReported> { use rustc_session::{config::CrateType, output::out_filename}; use std::io::Write; - let crate_name = codegen_results.crate_name; + let crate_name = codegen_results.crate_info.local_crate_name; for &crate_type in sess.opts.crate_types.iter() { if crate_type != CrateType::Rlib { sess.fatal(&format!("Crate type is {:?}", crate_type)); diff --git a/src/test/run-make-fulldeps/include_bytes_deps/main.rs b/src/test/run-make-fulldeps/include_bytes_deps/main.rs index 00ad0eb8d50..2fd55699d44 100644 --- a/src/test/run-make-fulldeps/include_bytes_deps/main.rs +++ b/src/test/run-make-fulldeps/include_bytes_deps/main.rs @@ -1,6 +1,4 @@ -#![feature(external_doc)] - -#[doc(include="input.md")] +#[doc = include_str!("input.md")] pub struct SomeStruct; pub fn main() { diff --git a/src/test/run-make-fulldeps/save-analysis/foo.rs b/src/test/run-make-fulldeps/save-analysis/foo.rs index 483eeed0b39..dd70675032f 100644 --- a/src/test/run-make-fulldeps/save-analysis/foo.rs +++ b/src/test/run-make-fulldeps/save-analysis/foo.rs @@ -2,7 +2,6 @@ #![feature(box_syntax)] #![feature(rustc_private)] #![feature(associated_type_defaults)] -#![feature(external_doc)] extern crate rustc_graphviz; // A simple rust project @@ -454,9 +453,9 @@ impl Iterator for SilenceGenerator { } } +#[doc = include_str!("extra-docs.md")] +struct StructWithDocs; + trait Foo { type Bar = FrameBuffer; } - -#[doc(include = "extra-docs.md")] -struct StructWithDocs; diff --git a/src/test/run-make/raw-dylib/Makefile b/src/test/run-make/raw-dylib/Makefile new file mode 100644 index 00000000000..7ce46fd9331 --- /dev/null +++ b/src/test/run-make/raw-dylib/Makefile @@ -0,0 +1,21 @@ +# Test the behavior of #[link(.., kind = "raw-dylib")] on windows-msvc + +# only-windows +# only-msvc + +-include ../../run-make-fulldeps/tools.mk + +all: + $(call COMPILE_OBJ,"$(TMPDIR)"/extern_1.obj,extern_1.c) + $(call COMPILE_OBJ,"$(TMPDIR)"/extern_2.obj,extern_2.c) + $(CC) "$(TMPDIR)"/extern_1.obj -link -dll -out:"$(TMPDIR)"/extern_1.dll + $(CC) "$(TMPDIR)"/extern_2.obj -link -dll -out:"$(TMPDIR)"/extern_2.dll + $(RUSTC) --crate-type lib --crate-name raw_dylib_test lib.rs + $(RUSTC) --crate-type bin driver.rs -L "$(TMPDIR)" + "$(TMPDIR)"/driver > "$(TMPDIR)"/output.txt + +ifdef RUSTC_BLESS_TEST + cp "$(TMPDIR)"/output.txt output.txt +else + $(DIFF) output.txt "$(TMPDIR)"/output.txt +endif diff --git a/src/test/run-make/raw-dylib/driver.rs b/src/test/run-make/raw-dylib/driver.rs new file mode 100644 index 00000000000..4059ede11fc --- /dev/null +++ b/src/test/run-make/raw-dylib/driver.rs @@ -0,0 +1,5 @@ +extern crate raw_dylib_test; + +fn main() { + raw_dylib_test::library_function(); +} diff --git a/src/test/run-make/raw-dylib/extern_1.c b/src/test/run-make/raw-dylib/extern_1.c new file mode 100644 index 00000000000..72737c086eb --- /dev/null +++ b/src/test/run-make/raw-dylib/extern_1.c @@ -0,0 +1,16 @@ +#include <stdio.h> + +__declspec(dllexport) void extern_fn_1() { + printf("extern_fn_1\n"); + fflush(stdout); +} + +__declspec(dllexport) void extern_fn_2() { + printf("extern_fn_2; didn't get the rename\n"); + fflush(stdout); +} + +__declspec(dllexport) void extern_fn_with_long_name() { + printf("extern_fn_with_long_name; got the rename\n"); + fflush(stdout); +} diff --git a/src/test/run-make/raw-dylib/extern_2.c b/src/test/run-make/raw-dylib/extern_2.c new file mode 100644 index 00000000000..ae87fc3f821 --- /dev/null +++ b/src/test/run-make/raw-dylib/extern_2.c @@ -0,0 +1,6 @@ +#include <stdio.h> + +__declspec(dllexport) void extern_fn_3() { + printf("extern_fn_3\n"); + fflush(stdout); +} diff --git a/src/test/run-make/raw-dylib/lib.rs b/src/test/run-make/raw-dylib/lib.rs new file mode 100644 index 00000000000..d8e6301f38e --- /dev/null +++ b/src/test/run-make/raw-dylib/lib.rs @@ -0,0 +1,22 @@ +#![feature(raw_dylib, native_link_modifiers, native_link_modifiers_verbatim)] + +#[link(name = "extern_1.dll", kind = "raw-dylib", modifiers = "+verbatim")] +extern { + fn extern_fn_1(); +} + +#[link(name = "extern_2", kind = "raw-dylib")] +extern { + fn extern_fn_3(); +} + +pub fn library_function() { + #[link(name = "extern_1", kind = "raw-dylib")] + extern { fn extern_fn_2(); } + + unsafe { + extern_fn_1(); + extern_fn_2(); + extern_fn_3(); + } +} diff --git a/src/test/run-make/raw-dylib/output.txt b/src/test/run-make/raw-dylib/output.txt new file mode 100644 index 00000000000..7800cba1872 --- /dev/null +++ b/src/test/run-make/raw-dylib/output.txt @@ -0,0 +1,3 @@ +extern_fn_1 +extern_fn_2; didn't get the rename +extern_fn_3 diff --git a/src/test/run-make/unstable-flag-required/Makefile b/src/test/run-make/unstable-flag-required/Makefile index b8769d5f690..aa20d6aa4bf 100644 --- a/src/test/run-make/unstable-flag-required/Makefile +++ b/src/test/run-make/unstable-flag-required/Makefile @@ -2,3 +2,4 @@ all: $(RUSTDOC) --output-format=json x.html 2>&1 | diff - output-format-json.stderr + $(RUSTC) --force-warns dead_code x.rs 2>&1 | diff - force-warns.stderr diff --git a/src/test/run-make/unstable-flag-required/force-warns.stderr b/src/test/run-make/unstable-flag-required/force-warns.stderr new file mode 100644 index 00000000000..e0936196a11 --- /dev/null +++ b/src/test/run-make/unstable-flag-required/force-warns.stderr @@ -0,0 +1,2 @@ +error: the `-Z unstable-options` flag must also be passed to enable the flag `--force-warns=lints` + diff --git a/src/test/rustdoc-gui/search-result-description.goml b/src/test/rustdoc-gui/search-result-description.goml new file mode 100644 index 00000000000..a50d03cf489 --- /dev/null +++ b/src/test/rustdoc-gui/search-result-description.goml @@ -0,0 +1,5 @@ +// This test is to ensure that the codeblocks are correctly rendered in the search results. +goto: file://|DOC_PATH|/test_docs/index.html?search=some_more_function +// Waiting for the search results to appear... +wait-for: "#titles" +assert: (".search-results .desc code", "format!") diff --git a/src/test/rustdoc-gui/sidebar.goml b/src/test/rustdoc-gui/sidebar.goml new file mode 100644 index 00000000000..7703677154e --- /dev/null +++ b/src/test/rustdoc-gui/sidebar.goml @@ -0,0 +1,57 @@ +goto: file://|DOC_PATH|/test_docs/index.html +assert: (".sidebar > .location", "Crate test_docs") +// In modules, we only have one "location" element. +assert: (".sidebar .location", 1) +assert: (".sidebar-elems > #all-types", "See all test_docs's items") +// We check that we have the crates list and that the "current" on is "test_docs". +assert: (".sidebar-elems > .crate > ul > li > a.current", "test_docs") +// And we're also supposed to have the list of items in the current module. +assert: (".sidebar-elems > .items > ul > li:nth-child(1)", "Modules") +assert: (".sidebar-elems > .items > ul > li:nth-child(2)", "Structs") +assert: (".sidebar-elems > .items > ul > li:nth-child(3)", "Enums") +assert: (".sidebar-elems > .items > ul > li:nth-child(4)", "Traits") +assert: (".sidebar-elems > .items > ul > li:nth-child(5)", "Functions") +assert: (".sidebar-elems > .items > ul > li:nth-child(6)", "Type Definitions") +assert: (".sidebar-elems > .items > ul > li:nth-child(7)", "Keywords") +assert: ("#structs + table td > a", "Foo") +click: "#structs + table td > a" + +// PAGE: struct.Foo.html +assert: (".sidebar .location", 2) +// We check that there is no crate listed outside of the top level. +assert-false: ".sidebar-elems > .crate" +// We now go back to the crate page to click on the "lib2" crate link. +goto: file://|DOC_PATH|/test_docs/index.html +click: ".sidebar-elems > .crate > ul > li:first-child > a" + +// PAGE: lib2/index.html +goto: file://|DOC_PATH|/lib2/index.html +assert: (".sidebar > .location", "Crate lib2") +// We check that we have the crates list and that the "current" on is now "lib2". +assert: (".sidebar-elems > .crate > ul > li > a.current", "lib2") +// We now go to the "foobar" function page. +assert: (".sidebar-elems > .items > ul > li:nth-child(1)", "Modules") +assert: (".sidebar-elems > .items > ul > li:nth-child(2)", "Functions") +assert: ("#functions + table td > a", "foobar") +click: "#functions + table td > a" + +// PAGE: fn.foobar.html +// In items containing no items (like functions or constants) and in modules, we have one +// "location" elements. +assert: (".sidebar .location", 1) +// There is a "<br>" tag between "in" and "lib2", but it doesn't count as a space. +assert: (".sidebar .sidebar-elems .location", "Other items inlib2") +// We check that we don't have the crate list. +assert-false: ".sidebar-elems > .crate" + +goto: ./module/index.html +assert: (".sidebar > .location", "Module module") +// We check that we don't have the crate list. +assert-false: ".sidebar-elems > .crate" + +goto: ./sub_module/sub_sub_module/index.html +assert: (".sidebar > .location", "Module sub_sub_module") +// We check that we don't have the crate list. +assert-false: ".sidebar-elems > .crate" +assert: (".sidebar-elems > .items > ul > li:nth-child(1)", "Functions") +assert: ("#functions + table td > a", "foo") diff --git a/src/test/rustdoc-gui/src/lib.rs b/src/test/rustdoc-gui/src/lib.rs index 272b1d05452..5141b6d1920 100644 --- a/src/test/rustdoc-gui/src/lib.rs +++ b/src/test/rustdoc-gui/src/lib.rs @@ -96,3 +96,6 @@ pub enum AnEnum { #[doc(keyword = "CookieMonster")] pub mod keyword {} + +/// Just some type alias. +pub type SomeType = u32; diff --git a/src/test/rustdoc-gui/src/lib2.rs b/src/test/rustdoc-gui/src/lib2.rs new file mode 100644 index 00000000000..73384cbf906 --- /dev/null +++ b/src/test/rustdoc-gui/src/lib2.rs @@ -0,0 +1,11 @@ +pub mod module { + pub mod sub_module { + pub mod sub_sub_module { + pub fn foo() {} + } + pub fn bar() {} + } + pub fn whatever() {} +} + +pub fn foobar() {} diff --git a/src/test/rustdoc-gui/type-weight.rs b/src/test/rustdoc-gui/type-weight.rs new file mode 100644 index 00000000000..8b6518e7f31 --- /dev/null +++ b/src/test/rustdoc-gui/type-weight.rs @@ -0,0 +1,2 @@ +goto: file://|DOC_PATH|/test_docs/type.SomeType.html +assert-all: (".top-block .docblock p", {"font-weight": "400"}) diff --git a/src/test/rustdoc-ui/check.rs b/src/test/rustdoc-ui/check.rs index 65a56e03d9d..2b44ba24b44 100644 --- a/src/test/rustdoc-ui/check.rs +++ b/src/test/rustdoc-ui/check.rs @@ -1,5 +1,6 @@ // check-pass // compile-flags: -Z unstable-options --check +// normalize-stderr-test: "nightly|beta|1\.[0-9][0-9]\.[0-9]" -> "$$CHANNEL" #![warn(missing_docs)] //~^ WARN diff --git a/src/test/rustdoc-ui/check.stderr b/src/test/rustdoc-ui/check.stderr index 2e1fc1eca4d..8c9e70e57fe 100644 --- a/src/test/rustdoc-ui/check.stderr +++ b/src/test/rustdoc-ui/check.stderr @@ -1,5 +1,5 @@ warning: missing documentation for the crate - --> $DIR/check.rs:4:1 + --> $DIR/check.rs:5:1 | LL | / #![warn(missing_docs)] LL | | @@ -10,13 +10,13 @@ LL | | pub fn foo() {} | |_______________^ | note: the lint level is defined here - --> $DIR/check.rs:4:9 + --> $DIR/check.rs:5:9 | LL | #![warn(missing_docs)] | ^^^^^^^^^^^^ warning: missing documentation for a function - --> $DIR/check.rs:9:1 + --> $DIR/check.rs:10:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^ @@ -24,16 +24,16 @@ LL | pub fn foo() {} warning: no documentation found for this crate's top-level module | note: the lint level is defined here - --> $DIR/check.rs:7:9 + --> $DIR/check.rs:8:9 | LL | #![warn(rustdoc::all)] | ^^^^^^^^^^^^ = note: `#[warn(rustdoc::missing_crate_level_docs)]` implied by `#[warn(rustdoc::all)]` = help: The following guide may be of use: - https://doc.rust-lang.org/nightly/rustdoc/how-to-write-documentation.html + https://doc.rust-lang.org/$CHANNEL/rustdoc/how-to-write-documentation.html warning: missing code example in this documentation - --> $DIR/check.rs:4:1 + --> $DIR/check.rs:5:1 | LL | / #![warn(missing_docs)] LL | | @@ -44,14 +44,14 @@ LL | | pub fn foo() {} | |_______________^ | note: the lint level is defined here - --> $DIR/check.rs:7:9 + --> $DIR/check.rs:8:9 | LL | #![warn(rustdoc::all)] | ^^^^^^^^^^^^ = note: `#[warn(rustdoc::missing_doc_code_examples)]` implied by `#[warn(rustdoc::all)]` warning: missing code example in this documentation - --> $DIR/check.rs:9:1 + --> $DIR/check.rs:10:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^^^^ diff --git a/src/test/rustdoc-ui/doc-include-suggestion.rs b/src/test/rustdoc-ui/doc-include-suggestion.rs new file mode 100644 index 00000000000..0c010073551 --- /dev/null +++ b/src/test/rustdoc-ui/doc-include-suggestion.rs @@ -0,0 +1,10 @@ +// check-pass + +#[doc(include = "external-cross-doc.md")] +//~^ WARNING unknown `doc` attribute `include` +//~| HELP use `doc = include_str!` instead +// FIXME(#85497): make this a deny instead so it's more clear what's happening +//~| NOTE on by default +//~| WARNING previously accepted +//~| NOTE see issue #82730 +pub struct NeedMoreDocs; diff --git a/src/test/rustdoc-ui/doc-include-suggestion.stderr b/src/test/rustdoc-ui/doc-include-suggestion.stderr new file mode 100644 index 00000000000..870b7efa2ac --- /dev/null +++ b/src/test/rustdoc-ui/doc-include-suggestion.stderr @@ -0,0 +1,12 @@ +warning: unknown `doc` attribute `include` + --> $DIR/doc-include-suggestion.rs:3:7 + | +LL | #[doc(include = "external-cross-doc.md")] + | ------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#[doc = include_str!("external-cross-doc.md")]` + | + = note: `#[warn(invalid_doc_attributes)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730> + +warning: 1 warning emitted + diff --git a/src/test/rustdoc-ui/doc-spotlight.fixed b/src/test/rustdoc-ui/doc-spotlight.fixed index 94b69a99879..4b58778eacd 100644 --- a/src/test/rustdoc-ui/doc-spotlight.fixed +++ b/src/test/rustdoc-ui/doc-spotlight.fixed @@ -1,9 +1,8 @@ -// check-pass // run-rustfix - +#![deny(warnings)] #![feature(doc_notable_trait)] #[doc(notable_trait)] -//~^ WARN unknown `doc` attribute `spotlight` +//~^ ERROR unknown `doc` attribute `spotlight` //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! trait MyTrait {} diff --git a/src/test/rustdoc-ui/doc-spotlight.rs b/src/test/rustdoc-ui/doc-spotlight.rs index cc5f159a809..16e38724580 100644 --- a/src/test/rustdoc-ui/doc-spotlight.rs +++ b/src/test/rustdoc-ui/doc-spotlight.rs @@ -1,9 +1,8 @@ -// check-pass // run-rustfix - +#![deny(warnings)] #![feature(doc_notable_trait)] #[doc(spotlight)] -//~^ WARN unknown `doc` attribute `spotlight` +//~^ ERROR unknown `doc` attribute `spotlight` //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! trait MyTrait {} diff --git a/src/test/rustdoc-ui/doc-spotlight.stderr b/src/test/rustdoc-ui/doc-spotlight.stderr index e5fa6293f3d..8e7831139a8 100644 --- a/src/test/rustdoc-ui/doc-spotlight.stderr +++ b/src/test/rustdoc-ui/doc-spotlight.stderr @@ -1,14 +1,19 @@ -warning: unknown `doc` attribute `spotlight` - --> $DIR/doc-spotlight.rs:6:7 +error: unknown `doc` attribute `spotlight` + --> $DIR/doc-spotlight.rs:5:7 | LL | #[doc(spotlight)] | ^^^^^^^^^ help: use `notable_trait` instead | - = note: `#[warn(invalid_doc_attributes)]` on by default +note: the lint level is defined here + --> $DIR/doc-spotlight.rs:2:9 + | +LL | #![deny(warnings)] + | ^^^^^^^^ + = note: `#[deny(invalid_doc_attributes)]` implied by `#[deny(warnings)]` = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730> = note: `doc(spotlight)` was renamed to `doc(notable_trait)` = note: `doc(spotlight)` is now a no-op -warning: 1 warning emitted +error: aborting due to previous error diff --git a/src/test/rustdoc-ui/failed-doctest-compile-fail.stdout b/src/test/rustdoc-ui/failed-doctest-compile-fail.stdout index b8bb5ccb403..af3a90a7410 100644 --- a/src/test/rustdoc-ui/failed-doctest-compile-fail.stdout +++ b/src/test/rustdoc-ui/failed-doctest-compile-fail.stdout @@ -1,6 +1,6 @@ running 1 test -test $DIR/failed-doctest-compile-fail.rs - Foo (line 9) ... FAILED +test $DIR/failed-doctest-compile-fail.rs - Foo (line 9) - compile fail ... FAILED failures: diff --git a/src/test/rustdoc-ui/failed-doctest-missing-codes.stdout b/src/test/rustdoc-ui/failed-doctest-missing-codes.stdout index 7367a7d6519..bacbb47b5f9 100644 --- a/src/test/rustdoc-ui/failed-doctest-missing-codes.stdout +++ b/src/test/rustdoc-ui/failed-doctest-missing-codes.stdout @@ -1,6 +1,6 @@ running 1 test -test $DIR/failed-doctest-missing-codes.rs - Foo (line 9) ... FAILED +test $DIR/failed-doctest-missing-codes.rs - Foo (line 9) - compile fail ... FAILED failures: diff --git a/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs b/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs index 417618c7458..9465e8e7ab9 100644 --- a/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs +++ b/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs @@ -1,3 +1,4 @@ +// normalize-stderr-test: "nightly|beta|1\.[0-9][0-9]\.[0-9]" -> "$$CHANNEL" #![deny(warnings)] //! Email me at <hello@localhost>. diff --git a/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr b/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr index f287f87408c..1b07828fc6e 100644 --- a/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr +++ b/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr @@ -1,16 +1,16 @@ error: unknown disambiguator `hello` - --> $DIR/email-address-localhost.rs:3:18 + --> $DIR/email-address-localhost.rs:4:18 | LL | //! Email me at <hello@localhost>. | ^^^^^ | note: the lint level is defined here - --> $DIR/email-address-localhost.rs:1:9 + --> $DIR/email-address-localhost.rs:2:9 | LL | #![deny(warnings)] | ^^^^^^^^ = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]` - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: aborting due to previous error diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs index 925fc515a3e..0aa1e5a415a 100644 --- a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs +++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs @@ -1,3 +1,4 @@ +// normalize-stderr-test: "nightly|beta|1\.[0-9][0-9]\.[0-9]" -> "$$CHANNEL" #![deny(warnings)] //! Linking to [foo@banana] and [`bar@banana!()`]. diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr index 94d6d461651..d280e6497e0 100644 --- a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr +++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr @@ -1,56 +1,56 @@ error: unknown disambiguator `foo` - --> $DIR/unknown-disambiguator.rs:3:17 + --> $DIR/unknown-disambiguator.rs:4:17 | LL | //! Linking to [foo@banana] and [`bar@banana!()`]. | ^^^ | note: the lint level is defined here - --> $DIR/unknown-disambiguator.rs:1:9 + --> $DIR/unknown-disambiguator.rs:2:9 | LL | #![deny(warnings)] | ^^^^^^^^ = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]` - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: unknown disambiguator `bar` - --> $DIR/unknown-disambiguator.rs:3:35 + --> $DIR/unknown-disambiguator.rs:4:35 | LL | //! Linking to [foo@banana] and [`bar@banana!()`]. | ^^^ | - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: unknown disambiguator `foo` - --> $DIR/unknown-disambiguator.rs:9:34 + --> $DIR/unknown-disambiguator.rs:10:34 | LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. | ^^^ | - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: unknown disambiguator `foo` - --> $DIR/unknown-disambiguator.rs:9:48 + --> $DIR/unknown-disambiguator.rs:10:48 | LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. | ^^^ | - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: unknown disambiguator `` - --> $DIR/unknown-disambiguator.rs:6:31 + --> $DIR/unknown-disambiguator.rs:7:31 | LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()). | ^ | - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: unknown disambiguator `` - --> $DIR/unknown-disambiguator.rs:6:57 + --> $DIR/unknown-disambiguator.rs:7:57 | LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()). | ^ | - = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators error: aborting due to 6 previous errors diff --git a/src/test/rustdoc-ui/issue-80992.stdout b/src/test/rustdoc-ui/issue-80992.stdout index 1dd19f46827..d2b1cd1d550 100644 --- a/src/test/rustdoc-ui/issue-80992.stdout +++ b/src/test/rustdoc-ui/issue-80992.stdout @@ -1,6 +1,6 @@ running 1 test -test $DIR/issue-80992.rs - test (line 7) ... ok +test $DIR/issue-80992.rs - test (line 7) - compile fail ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME diff --git a/src/test/rustdoc-ui/no-crate-level-doc-lint.rs b/src/test/rustdoc-ui/no-crate-level-doc-lint.rs index 3939ec6827a..a186410acf4 100644 --- a/src/test/rustdoc-ui/no-crate-level-doc-lint.rs +++ b/src/test/rustdoc-ui/no-crate-level-doc-lint.rs @@ -1,4 +1,5 @@ // error-pattern: no documentation found +// normalize-stderr-test: "nightly|beta|1\.[0-9][0-9]\.[0-9]" -> "$$CHANNEL" #![deny(rustdoc::missing_crate_level_docs)] //^~ NOTE defined here diff --git a/src/test/rustdoc-ui/no-crate-level-doc-lint.stderr b/src/test/rustdoc-ui/no-crate-level-doc-lint.stderr index 55ead1a55cf..1a1f8085a1b 100644 --- a/src/test/rustdoc-ui/no-crate-level-doc-lint.stderr +++ b/src/test/rustdoc-ui/no-crate-level-doc-lint.stderr @@ -1,12 +1,12 @@ error: no documentation found for this crate's top-level module | note: the lint level is defined here - --> $DIR/no-crate-level-doc-lint.rs:2:9 + --> $DIR/no-crate-level-doc-lint.rs:3:9 | LL | #![deny(rustdoc::missing_crate_level_docs)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: The following guide may be of use: - https://doc.rust-lang.org/nightly/rustdoc/how-to-write-documentation.html + https://doc.rust-lang.org/$CHANNEL/rustdoc/how-to-write-documentation.html error: aborting due to previous error diff --git a/src/test/rustdoc-ui/no-run-flag.stdout b/src/test/rustdoc-ui/no-run-flag.stdout index d92f5da8335..02f28aaf60d 100644 --- a/src/test/rustdoc-ui/no-run-flag.stdout +++ b/src/test/rustdoc-ui/no-run-flag.stdout @@ -1,12 +1,12 @@ running 7 tests -test $DIR/no-run-flag.rs - f (line 11) ... ok +test $DIR/no-run-flag.rs - f (line 11) - compile ... ok test $DIR/no-run-flag.rs - f (line 14) ... ignored -test $DIR/no-run-flag.rs - f (line 17) ... ok -test $DIR/no-run-flag.rs - f (line 23) ... ok -test $DIR/no-run-flag.rs - f (line 28) ... ok -test $DIR/no-run-flag.rs - f (line 32) ... ok -test $DIR/no-run-flag.rs - f (line 8) ... ok +test $DIR/no-run-flag.rs - f (line 17) - compile ... ok +test $DIR/no-run-flag.rs - f (line 23) - compile fail ... ok +test $DIR/no-run-flag.rs - f (line 28) - compile ... ok +test $DIR/no-run-flag.rs - f (line 32) - compile ... ok +test $DIR/no-run-flag.rs - f (line 8) - compile ... ok test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in $TIME diff --git a/src/test/rustdoc-ui/test-type.rs b/src/test/rustdoc-ui/test-type.rs new file mode 100644 index 00000000000..882da5c2503 --- /dev/null +++ b/src/test/rustdoc-ui/test-type.rs @@ -0,0 +1,26 @@ +// compile-flags: --test --test-args=--test-threads=1 +// check-pass +// normalize-stdout-test: "src/test/rustdoc-ui" -> "$$DIR" +// normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" + +/// ``` +/// let a = true; +/// ``` +/// ```should_panic +/// panic!() +/// ``` +/// ```ignore (incomplete-code) +/// fn foo() { +/// ``` +/// ```no_run +/// loop { +/// println!("Hello, world"); +/// } +/// ``` +/// fails to compile +/// ```compile_fail +/// let x = 5; +/// x += 2; // shouldn't compile! +/// ``` + +pub fn f() {} diff --git a/src/test/rustdoc-ui/test-type.stdout b/src/test/rustdoc-ui/test-type.stdout new file mode 100644 index 00000000000..a66fd240d34 --- /dev/null +++ b/src/test/rustdoc-ui/test-type.stdout @@ -0,0 +1,10 @@ + +running 5 tests +test $DIR/test-type.rs - f (line 12) ... ignored +test $DIR/test-type.rs - f (line 15) - compile ... ok +test $DIR/test-type.rs - f (line 21) - compile fail ... ok +test $DIR/test-type.rs - f (line 6) ... ok +test $DIR/test-type.rs - f (line 9) ... ok + +test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in $TIME + diff --git a/src/test/rustdoc-ui/wasm-safe.rs b/src/test/rustdoc-ui/wasm-safe.rs new file mode 100644 index 00000000000..80b15ace0ee --- /dev/null +++ b/src/test/rustdoc-ui/wasm-safe.rs @@ -0,0 +1,7 @@ +// check-pass + +#![feature(wasm_target_feature)] + +#[cfg(any(target_arch = "wasm32", doc))] +#[target_feature(enable = "simd128")] +pub fn foo() {} diff --git a/src/test/rustdoc/async-fn.rs b/src/test/rustdoc/async-fn.rs index 4b66b5271c5..9f95d9a994b 100644 --- a/src/test/rustdoc/async-fn.rs +++ b/src/test/rustdoc/async-fn.rs @@ -77,12 +77,12 @@ struct AsyncFdReadyGuard<'a, T> { x: &'a T } impl Foo { // @has async_fn/struct.Foo.html - // @has - '//h4[@class="method"]' 'pub async fn complicated_lifetimes( &self, context: &impl Bar) -> impl Iterator<Item = &usize>' + // @has - '//div[@class="method has-srclink"]' 'pub async fn complicated_lifetimes( &self, context: &impl Bar) -> impl Iterator<Item = &usize>' pub async fn complicated_lifetimes(&self, context: &impl Bar) -> impl Iterator<Item = &usize> {} // taken from `tokio` as an example of a method that was particularly bad before - // @has - '//h4[@class="method"]' "pub async fn readable<T>(&self) -> Result<AsyncFdReadyGuard<'_, T>, ()>" + // @has - '//div[@class="method has-srclink"]' "pub async fn readable<T>(&self) -> Result<AsyncFdReadyGuard<'_, T>, ()>" pub async fn readable<T>(&self) -> Result<AsyncFdReadyGuard<'_, T>, ()> {} - // @has - '//h4[@class="method"]' "pub async fn mut_self(&mut self)" + // @has - '//div[@class="method has-srclink"]' "pub async fn mut_self(&mut self)" pub async fn mut_self(&mut self) {} } diff --git a/src/test/rustdoc/auto_aliases.rs b/src/test/rustdoc/auto_aliases.rs index 56e0770ab5c..01ea09a9461 100644 --- a/src/test/rustdoc/auto_aliases.rs +++ b/src/test/rustdoc/auto_aliases.rs @@ -1,6 +1,6 @@ #![feature(auto_traits)] -// @has auto_aliases/trait.Bar.html '//h3[@data-aliases="auto_aliases::Foo"]' 'impl Bar for Foo' +// @has auto_aliases/trait.Bar.html '//div[@data-aliases="auto_aliases::Foo"]' 'impl Bar for Foo' pub struct Foo; pub auto trait Bar {} diff --git a/src/test/rustdoc/auxiliary/external-cross-doc.md b/src/test/rustdoc/auxiliary/external-cross-doc.md index 8b4e6edc699..d3c85326559 100644 --- a/src/test/rustdoc/auxiliary/external-cross-doc.md +++ b/src/test/rustdoc/auxiliary/external-cross-doc.md @@ -1,4 +1,4 @@ # Cross-crate imported docs -This file is to make sure `#[doc(include="file.md")]` works when you re-export an item with included +This file is to make sure `#[doc = include_str!("file.md")]` works when you re-export an item with included docs. diff --git a/src/test/rustdoc/auxiliary/external-cross.rs b/src/test/rustdoc/auxiliary/external-cross.rs index 473d4ec99f0..5de63cdabc6 100644 --- a/src/test/rustdoc/auxiliary/external-cross.rs +++ b/src/test/rustdoc/auxiliary/external-cross.rs @@ -1,5 +1,3 @@ -#![feature(external_doc)] -#![deny(missing_doc)] - -#[doc(include="external-cross-doc.md")] +#[deny(missing_docs)] +#[doc = include_str!("external-cross-doc.md")] pub struct NeedMoreDocs; diff --git a/src/test/rustdoc/auxiliary/external-doc.md b/src/test/rustdoc/auxiliary/external-doc.md index 38478c1635a..babde0a05ad 100644 --- a/src/test/rustdoc/auxiliary/external-doc.md +++ b/src/test/rustdoc/auxiliary/external-doc.md @@ -1,3 +1,3 @@ # External Docs -This file is here to test the `#[doc(include="file")]` attribute. +This file is here to test the `#[doc = include_str!("file")]` attribute. diff --git a/src/test/rustdoc/blanket-reexport-item.rs b/src/test/rustdoc/blanket-reexport-item.rs index f247ee637b9..6f0c15cb5ac 100644 --- a/src/test/rustdoc/blanket-reexport-item.rs +++ b/src/test/rustdoc/blanket-reexport-item.rs @@ -1,6 +1,6 @@ #![crate_name = "foo"] -// @has foo/struct.S.html '//h3[@id="impl-Into%3CU%3E"]//code' 'impl<T, U> Into<U> for T' +// @has foo/struct.S.html '//div[@id="impl-Into%3CU%3E"]//code' 'impl<T, U> Into<U> for T' pub struct S2 {} mod m { pub struct S {} diff --git a/src/test/rustdoc/const-display.rs b/src/test/rustdoc/const-display.rs index fb5c8517f6c..2761f92ef57 100644 --- a/src/test/rustdoc/const-display.rs +++ b/src/test/rustdoc/const-display.rs @@ -38,12 +38,12 @@ pub const unsafe fn bar_not_gated() -> u32 { 42 } pub struct Foo; impl Foo { - // @has 'foo/struct.Foo.html' '//h4[@id="method.gated"]/code' 'pub unsafe fn gated() -> u32' + // @has 'foo/struct.Foo.html' '//div[@id="method.gated"]/code' 'pub unsafe fn gated() -> u32' #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature="foo", issue = "none")] pub const unsafe fn gated() -> u32 { 42 } - // @has 'foo/struct.Foo.html' '//h4[@id="method.stable_impl"]/code' 'pub const fn stable_impl() -> u32' + // @has 'foo/struct.Foo.html' '//div[@id="method.stable_impl"]/code' 'pub const fn stable_impl() -> u32' // @has - '//span[@class="since"]' '1.0.0 (const: 1.2.0)' #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "rust1", since = "1.2.0")] diff --git a/src/test/rustdoc/const-fn.rs b/src/test/rustdoc/const-fn.rs index 9ea7343e075..28eba849ace 100644 --- a/src/test/rustdoc/const-fn.rs +++ b/src/test/rustdoc/const-fn.rs @@ -8,7 +8,7 @@ pub const fn bar() -> usize { } // @has foo/struct.Foo.html -// @has - '//*[@class="method"]' 'const fn new()' +// @has - '//*[@class="method has-srclink"]' 'const fn new()' pub struct Foo(usize); impl Foo { diff --git a/src/test/rustdoc/const-generics/add-impl.rs b/src/test/rustdoc/const-generics/add-impl.rs index 77432ba1539..8f412aa8c40 100644 --- a/src/test/rustdoc/const-generics/add-impl.rs +++ b/src/test/rustdoc/const-generics/add-impl.rs @@ -8,7 +8,7 @@ pub struct Simd<T, const WIDTH: usize> { inner: T, } -// @has foo/struct.Simd.html '//div[@id="trait-implementations-list"]//h3/code' 'impl Add<Simd<u8, 16_usize>> for Simd<u8, 16>' +// @has foo/struct.Simd.html '//div[@id="trait-implementations-list"]//div/code' 'impl Add<Simd<u8, 16_usize>> for Simd<u8, 16>' impl Add for Simd<u8, 16> { type Output = Self; diff --git a/src/test/rustdoc/const-generics/const-generic-defaults.rs b/src/test/rustdoc/const-generics/const-generic-defaults.rs new file mode 100644 index 00000000000..efe35bf7aa4 --- /dev/null +++ b/src/test/rustdoc/const-generics/const-generic-defaults.rs @@ -0,0 +1,6 @@ +#![crate_name = "foo"] +#![feature(const_generics_defaults)] + +// @has foo/struct.Foo.html '//pre[@class="rust struct"]' \ +// 'pub struct Foo<const M: usize = 10_usize, const N: usize = M, T = i32>(_);' +pub struct Foo<const M: usize = 10, const N: usize = M, T = i32>(T); diff --git a/src/test/rustdoc/const-generics/const-generic-slice.rs b/src/test/rustdoc/const-generics/const-generic-slice.rs index 60d96770f7e..626a9e2b210 100644 --- a/src/test/rustdoc/const-generics/const-generic-slice.rs +++ b/src/test/rustdoc/const-generics/const-generic-slice.rs @@ -6,7 +6,7 @@ pub trait Array { } // @has foo/trait.Array.html -// @has - '//h3[@class="impl"]' 'impl<T, const N: usize> Array for [T; N]' +// @has - '//div[@class="impl has-srclink"]' 'impl<T, const N: usize> Array for [T; N]' impl <T, const N: usize> Array for [T; N] { type Item = T; } diff --git a/src/test/rustdoc/const-generics/const-generics-docs.rs b/src/test/rustdoc/const-generics/const-generics-docs.rs index 21bf216c304..7c4c70432c7 100644 --- a/src/test/rustdoc/const-generics/const-generics-docs.rs +++ b/src/test/rustdoc/const-generics/const-generics-docs.rs @@ -36,7 +36,7 @@ pub struct Foo<const N: usize> where u8: Trait<N>; // @has foo/struct.Bar.html '//pre[@class="rust struct"]' 'pub struct Bar<T, const N: usize>(_)' pub struct Bar<T, const N: usize>([T; N]); -// @has foo/struct.Foo.html '//h3[@id="impl"]/code' 'impl<const M: usize> Foo<M> where u8: Trait<M>' +// @has foo/struct.Foo.html '//div[@id="impl"]/code' 'impl<const M: usize> Foo<M> where u8: Trait<M>' impl<const M: usize> Foo<M> where u8: Trait<M> { // @has - '//*[@id="associatedconstant.FOO_ASSOC"]' 'pub const FOO_ASSOC: usize' pub const FOO_ASSOC: usize = M + 13; @@ -47,7 +47,7 @@ impl<const M: usize> Foo<M> where u8: Trait<M> { } } -// @has foo/struct.Bar.html '//h3[@id="impl"]/code' 'impl<const M: usize> Bar<u8, M>' +// @has foo/struct.Bar.html '//div[@id="impl"]/code' 'impl<const M: usize> Bar<u8, M>' impl<const M: usize> Bar<u8, M> { // @has - '//*[@id="method.hey"]' \ // 'pub fn hey<const N: usize>(&self) -> Foo<N> where u8: Trait<N>' diff --git a/src/test/rustdoc/const-generics/const-impl.rs b/src/test/rustdoc/const-generics/const-impl.rs index 04fb3395333..e4e504dd83b 100644 --- a/src/test/rustdoc/const-generics/const-impl.rs +++ b/src/test/rustdoc/const-generics/const-impl.rs @@ -9,20 +9,20 @@ pub enum Order { } // @has foo/struct.VSet.html '//pre[@class="rust struct"]' 'pub struct VSet<T, const ORDER: Order>' -// @has foo/struct.VSet.html '//h3[@id="impl-Send"]/code' 'impl<T, const ORDER: Order> Send for VSet<T, ORDER>' -// @has foo/struct.VSet.html '//h3[@id="impl-Sync"]/code' 'impl<T, const ORDER: Order> Sync for VSet<T, ORDER>' +// @has foo/struct.VSet.html '//div[@id="impl-Send"]/code' 'impl<T, const ORDER: Order> Send for VSet<T, ORDER>' +// @has foo/struct.VSet.html '//div[@id="impl-Sync"]/code' 'impl<T, const ORDER: Order> Sync for VSet<T, ORDER>' pub struct VSet<T, const ORDER: Order> { inner: Vec<T>, } -// @has foo/struct.VSet.html '//h3[@id="impl"]/code' 'impl<T> VSet<T, {Order::Sorted}>' +// @has foo/struct.VSet.html '//div[@id="impl"]/code' 'impl<T> VSet<T, {Order::Sorted}>' impl <T> VSet<T, {Order::Sorted}> { pub fn new() -> Self { Self { inner: Vec::new() } } } -// @has foo/struct.VSet.html '//h3[@id="impl-1"]/code' 'impl<T> VSet<T, {Order::Unsorted}>' +// @has foo/struct.VSet.html '//div[@id="impl-1"]/code' 'impl<T> VSet<T, {Order::Unsorted}>' impl <T> VSet<T, {Order::Unsorted}> { pub fn new() -> Self { Self { inner: Vec::new() } @@ -31,7 +31,7 @@ impl <T> VSet<T, {Order::Unsorted}> { pub struct Escape<const S: &'static str>; -// @has foo/struct.Escape.html '//h3[@id="impl"]/code' 'impl Escape<{ r#"<script>alert("Escape");</script>"# }>' +// @has foo/struct.Escape.html '//div[@id="impl"]/code' 'impl Escape<{ r#"<script>alert("Escape");</script>"# }>' impl Escape<{ r#"<script>alert("Escape");</script>"# }> { pub fn f() {} } diff --git a/src/test/rustdoc/doc-assoc-item.rs b/src/test/rustdoc/doc-assoc-item.rs index 4d5c9f83e1e..4f15418650c 100644 --- a/src/test/rustdoc/doc-assoc-item.rs +++ b/src/test/rustdoc/doc-assoc-item.rs @@ -8,7 +8,7 @@ pub trait Bar { fn foo(foo: Self::Fuu); } -// @has doc_assoc_item/struct.Foo.html '//*[@class="impl"]' 'impl<T: Bar<Fuu = u32>> Foo<T>' +// @has doc_assoc_item/struct.Foo.html '//*[@class="impl has-srclink"]' 'impl<T: Bar<Fuu = u32>> Foo<T>' impl<T: Bar<Fuu = u32>> Foo<T> { pub fn new(t: T) -> Foo<T> { Foo { diff --git a/src/test/rustdoc/duplicate_impls/issue-33054.rs b/src/test/rustdoc/duplicate_impls/issue-33054.rs index 1e644bb9739..15c3444606c 100644 --- a/src/test/rustdoc/duplicate_impls/issue-33054.rs +++ b/src/test/rustdoc/duplicate_impls/issue-33054.rs @@ -1,8 +1,8 @@ // @has issue_33054/impls/struct.Foo.html // @has - '//code' 'impl Foo' // @has - '//code' 'impl Bar for Foo' -// @count - '//*[@id="trait-implementations-list"]//*[@class="impl"]' 1 -// @count - '//*[@id="main"]/details/summary/*[@class="impl"]' 1 +// @count - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]' 1 +// @count - '//*[@id="main"]/details/summary/*[@class="impl has-srclink"]' 1 // @has issue_33054/impls/bar/trait.Bar.html // @has - '//code' 'impl Bar for Foo' // @count - '//*[@class="struct"]' 1 diff --git a/src/test/rustdoc/empty-impls.rs b/src/test/rustdoc/empty-impls.rs index 86dec32e625..2eed1cc9d74 100644 --- a/src/test/rustdoc/empty-impls.rs +++ b/src/test/rustdoc/empty-impls.rs @@ -1,19 +1,19 @@ #![crate_name = "foo"] // @has foo/struct.Foo.html -// @has - '//div[@id="synthetic-implementations-list"]/h3[@id="impl-Send"]' 'impl Send for Foo' +// @has - '//div[@id="synthetic-implementations-list"]/div[@id="impl-Send"]' 'impl Send for Foo' pub struct Foo; pub trait EmptyTrait {} -// @has - '//div[@id="trait-implementations-list"]/h3[@id="impl-EmptyTrait"]' 'impl EmptyTrait for Foo' +// @has - '//div[@id="trait-implementations-list"]/div[@id="impl-EmptyTrait"]' 'impl EmptyTrait for Foo' impl EmptyTrait for Foo {} pub trait NotEmpty { fn foo(&self); } -// @has - '//div[@id="trait-implementations-list"]/details/summary/h3[@id="impl-NotEmpty"]' 'impl NotEmpty for Foo' +// @has - '//div[@id="trait-implementations-list"]/details/summary/div[@id="impl-NotEmpty"]' 'impl NotEmpty for Foo' impl NotEmpty for Foo { fn foo(&self) {} } diff --git a/src/test/rustdoc/ensure-src-link.rs b/src/test/rustdoc/ensure-src-link.rs index b7e7b11d27a..4b6270b26da 100644 --- a/src/test/rustdoc/ensure-src-link.rs +++ b/src/test/rustdoc/ensure-src-link.rs @@ -2,5 +2,5 @@ // This test ensures that the [src] link is present on traits items. -// @has foo/trait.Iterator.html '//h3[@id="method.zip"]/a[@class="srclink"]' "[src]" +// @has foo/trait.Iterator.html '//div[@id="method.zip"]/a[@class="srclink"]' "[src]" pub use std::iter::Iterator; diff --git a/src/test/rustdoc/external-doc.rs b/src/test/rustdoc/external-doc.rs index 0dadca551a9..fc29cb252e2 100644 --- a/src/test/rustdoc/external-doc.rs +++ b/src/test/rustdoc/external-doc.rs @@ -1,12 +1,3 @@ -#![feature(external_doc)] - -// @has external_doc/struct.CanHasDocs.html -// @has - '//h1' 'External Docs' -// @has - '//h2' 'Inline Docs' -#[doc(include = "auxiliary/external-doc.md")] -/// ## Inline Docs -pub struct CanHasDocs; - // @has external_doc/struct.IncludeStrDocs.html // @has - '//h1' 'External Docs' // @has - '//h2' 'Inline Docs' diff --git a/src/test/rustdoc/generic-impl.rs b/src/test/rustdoc/generic-impl.rs index 03a4d197499..96ced021041 100644 --- a/src/test/rustdoc/generic-impl.rs +++ b/src/test/rustdoc/generic-impl.rs @@ -2,10 +2,10 @@ use std::fmt; -// @!has foo/struct.Bar.html '//h3[@id="impl-ToString"]//code' 'impl<T> ToString for T' +// @!has foo/struct.Bar.html '//div[@id="impl-ToString"]//code' 'impl<T> ToString for T' pub struct Bar; -// @has foo/struct.Foo.html '//h3[@id="impl-ToString"]//code' 'impl<T> ToString for T' +// @has foo/struct.Foo.html '//div[@id="impl-ToString"]//code' 'impl<T> ToString for T' pub struct Foo; // @has foo/struct.Foo.html '//div[@class="sidebar-links"]/a[@href="#impl-ToString"]' 'ToString' diff --git a/src/test/rustdoc/impl-parts.rs b/src/test/rustdoc/impl-parts.rs index 90110babea7..e4039eecb71 100644 --- a/src/test/rustdoc/impl-parts.rs +++ b/src/test/rustdoc/impl-parts.rs @@ -5,7 +5,7 @@ pub auto trait AnAutoTrait {} pub struct Foo<T> { field: T } -// @has impl_parts/struct.Foo.html '//*[@class="impl"]//code' \ +// @has impl_parts/struct.Foo.html '//*[@class="impl has-srclink"]//code' \ // "impl<T: Clone> !AnAutoTrait for Foo<T> where T: Sync," // @has impl_parts/trait.AnAutoTrait.html '//*[@class="item-list"]//code' \ // "impl<T: Clone> !AnAutoTrait for Foo<T> where T: Sync," diff --git a/src/test/rustdoc/inline_cross/issue-31948-1.rs b/src/test/rustdoc/inline_cross/issue-31948-1.rs index f47056223fe..390f0b845e0 100644 --- a/src/test/rustdoc/inline_cross/issue-31948-1.rs +++ b/src/test/rustdoc/inline_cross/issue-31948-1.rs @@ -5,8 +5,8 @@ extern crate rustdoc_nonreachable_impls; // @has issue_31948_1/struct.Wobble.html -// @has - '//*[@class="impl"]//code' 'Bark for' -// @has - '//*[@class="impl"]//code' 'Woof for' +// @has - '//*[@class="impl has-srclink"]//code' 'Bark for' +// @has - '//*[@class="impl has-srclink"]//code' 'Woof for' // @!has - '//*[@class="impl"]//code' 'Bar for' // @!has - '//*[@class="impl"]//code' 'Qux for' pub use rustdoc_nonreachable_impls::hidden::Wobble; diff --git a/src/test/rustdoc/inline_cross/issue-31948-2.rs b/src/test/rustdoc/inline_cross/issue-31948-2.rs index 282f0679e98..013e777440f 100644 --- a/src/test/rustdoc/inline_cross/issue-31948-2.rs +++ b/src/test/rustdoc/inline_cross/issue-31948-2.rs @@ -5,9 +5,9 @@ extern crate rustdoc_nonreachable_impls; // @has issue_31948_2/struct.Wobble.html -// @has - '//*[@class="impl"]//code' 'Qux for' -// @has - '//*[@class="impl"]//code' 'Bark for' -// @has - '//*[@class="impl"]//code' 'Woof for' +// @has - '//*[@class="impl has-srclink"]//code' 'Qux for' +// @has - '//*[@class="impl has-srclink"]//code' 'Bark for' +// @has - '//*[@class="impl has-srclink"]//code' 'Woof for' // @!has - '//*[@class="impl"]//code' 'Bar for' pub use rustdoc_nonreachable_impls::hidden::Wobble; diff --git a/src/test/rustdoc/inline_cross/issue-31948.rs b/src/test/rustdoc/inline_cross/issue-31948.rs index d5725175e3f..82dcc2d2cc3 100644 --- a/src/test/rustdoc/inline_cross/issue-31948.rs +++ b/src/test/rustdoc/inline_cross/issue-31948.rs @@ -5,9 +5,9 @@ extern crate rustdoc_nonreachable_impls; // @has issue_31948/struct.Foo.html -// @has - '//*[@class="impl"]//code' 'Bark for' -// @has - '//*[@class="impl"]//code' 'Woof for' -// @!has - '//*[@class="impl"]//code' 'Bar for' +// @has - '//*[@class="impl has-srclink"]//code' 'Bark for' +// @has - '//*[@class="impl has-srclink"]//code' 'Woof for' +// @!has - '//*[@class="impl has-srclink"]//code' 'Bar for' // @!has - '//*[@class="impl"]//code' 'Qux for' pub use rustdoc_nonreachable_impls::Foo; diff --git a/src/test/rustdoc/intra-doc/associated-items.rs b/src/test/rustdoc/intra-doc/associated-items.rs index 2757418bc64..d9fed2d6951 100644 --- a/src/test/rustdoc/intra-doc/associated-items.rs +++ b/src/test/rustdoc/intra-doc/associated-items.rs @@ -3,9 +3,9 @@ /// [`std::collections::BTreeMap::into_iter`] /// [`String::from`] is ambiguous as to which `From` impl /// [Vec::into_iter()] uses a disambiguator -// @has 'associated_items/fn.foo.html' '//a[@href="https://doc.rust-lang.org/nightly/alloc/collections/btree/map/struct.BTreeMap.html#method.into_iter"]' 'std::collections::BTreeMap::into_iter' -// @has 'associated_items/fn.foo.html' '//a[@href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html#method.from"]' 'String::from' -// @has 'associated_items/fn.foo.html' '//a[@href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html#method.into_iter"]' 'Vec::into_iter' +// @has 'associated_items/fn.foo.html' '//a[@href="{{channel}}/alloc/collections/btree/map/struct.BTreeMap.html#method.into_iter"]' 'std::collections::BTreeMap::into_iter' +// @has 'associated_items/fn.foo.html' '//a[@href="{{channel}}/alloc/string/struct.String.html#method.from"]' 'String::from' +// @has 'associated_items/fn.foo.html' '//a[@href="{{channel}}/alloc/vec/struct.Vec.html#method.into_iter"]' 'Vec::into_iter' pub fn foo() {} /// Link to [MyStruct], [link from struct][MyStruct::method], [MyStruct::clone], [MyStruct::Input] diff --git a/src/test/rustdoc/intra-doc/builtin-macros.rs b/src/test/rustdoc/intra-doc/builtin-macros.rs index 74216a587e1..bbdbe246bbc 100644 --- a/src/test/rustdoc/intra-doc/builtin-macros.rs +++ b/src/test/rustdoc/intra-doc/builtin-macros.rs @@ -1,3 +1,3 @@ // @has builtin_macros/index.html -// @has - '//a/@href' 'https://doc.rust-lang.org/nightly/core/macro.cfg.html' +// @has - '//a/@href' '{{channel}}/core/macro.cfg.html' //! [cfg] diff --git a/src/test/rustdoc/intra-doc/field.rs b/src/test/rustdoc/intra-doc/field.rs new file mode 100644 index 00000000000..c67c40a77ed --- /dev/null +++ b/src/test/rustdoc/intra-doc/field.rs @@ -0,0 +1,4 @@ +// @has field/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/ops/range/struct.Range.html#structfield.start"]' 'start' +// @has field/index.html '//a[@href="https://doc.rust-lang.org/nightly/std/io/error/enum.ErrorKind.html#variant.NotFound"]' 'not_found' +//! [start][std::ops::Range::start] +//! [not_found][std::io::ErrorKind::NotFound] diff --git a/src/test/rustdoc/intra-doc/generic-params.rs b/src/test/rustdoc/intra-doc/generic-params.rs index 1de6410f10c..fbc9fc6a9bc 100644 --- a/src/test/rustdoc/intra-doc/generic-params.rs +++ b/src/test/rustdoc/intra-doc/generic-params.rs @@ -5,40 +5,40 @@ //! Here's a link to [`Vec<T>`] and one to [`Box<Vec<Option<T>>>`]. //! Here's a link to [`Iterator<Box<T>>::Item`]. //! -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html"]' 'Vec<T>' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html"]' 'Box<Vec<Option<T>>>' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item"]' 'Iterator<Box<T>>::Item' +// @has foo/index.html '//a[@href="{{channel}}/alloc/vec/struct.Vec.html"]' 'Vec<T>' +// @has foo/index.html '//a[@href="{{channel}}/alloc/boxed/struct.Box.html"]' 'Box<Vec<Option<T>>>' +// @has foo/index.html '//a[@href="{{channel}}/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item"]' 'Iterator<Box<T>>::Item' //! And what about a link to [just `Option`](Option) and, [with the generic, `Option<T>`](Option<T>)? //! -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"]' 'just Option' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"]' 'with the generic, Option<T>' +// @has foo/index.html '//a[@href="{{channel}}/core/option/enum.Option.html"]' 'just Option' +// @has foo/index.html '//a[@href="{{channel}}/core/option/enum.Option.html"]' 'with the generic, Option<T>' //! We should also try linking to [`Result<T, E>`]; it has *two* generics! //! And [`Result<T, !>`] and [`Result<!, E>`]. //! -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"]' 'Result<T, E>' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"]' 'Result<T, !>' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"]' 'Result<!, E>' +// @has foo/index.html '//a[@href="{{channel}}/core/result/enum.Result.html"]' 'Result<T, E>' +// @has foo/index.html '//a[@href="{{channel}}/core/result/enum.Result.html"]' 'Result<T, !>' +// @has foo/index.html '//a[@href="{{channel}}/core/result/enum.Result.html"]' 'Result<!, E>' //! Now let's test a trickier case: [`Vec::<T>::new`], or you could write it //! [with parentheses as `Vec::<T>::new()`][Vec::<T>::new()]. //! And what about something even harder? That would be [`Vec::<Box<T>>::new()`]. //! -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html#method.new"]' 'Vec::<T>::new' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html#method.new"]' 'with parentheses as Vec::<T>::new()' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html#method.new"]' 'Vec::<Box<T>>::new()' +// @has foo/index.html '//a[@href="{{channel}}/alloc/vec/struct.Vec.html#method.new"]' 'Vec::<T>::new' +// @has foo/index.html '//a[@href="{{channel}}/alloc/vec/struct.Vec.html#method.new"]' 'with parentheses as Vec::<T>::new()' +// @has foo/index.html '//a[@href="{{channel}}/alloc/vec/struct.Vec.html#method.new"]' 'Vec::<Box<T>>::new()' //! This is also pretty tricky: [`TypeId::of::<String>()`]. //! And this too: [`Vec::<std::error::Error>::len`]. //! -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html#method.of"]' 'TypeId::of::<String>()' -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html#method.len"]' 'Vec::<std::error::Error>::len' +// @has foo/index.html '//a[@href="{{channel}}/core/any/struct.TypeId.html#method.of"]' 'TypeId::of::<String>()' +// @has foo/index.html '//a[@href="{{channel}}/alloc/vec/struct.Vec.html#method.len"]' 'Vec::<std::error::Error>::len' //! We unofficially and implicitly support things that aren't valid in the actual Rust syntax, like //! [`Box::<T>new()`]. We may not support them in the future! //! -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html#method.new"]' 'Box::<T>new()' +// @has foo/index.html '//a[@href="{{channel}}/alloc/boxed/struct.Box.html#method.new"]' 'Box::<T>new()' //! These will be resolved as regular links: //! - [`this is <invalid syntax> first`](https://www.rust-lang.org) diff --git a/src/test/rustdoc/intra-doc/non-path-primitives.rs b/src/test/rustdoc/intra-doc/non-path-primitives.rs index ee71537d155..be4b44b3142 100644 --- a/src/test/rustdoc/intra-doc/non-path-primitives.rs +++ b/src/test/rustdoc/intra-doc/non-path-primitives.rs @@ -2,45 +2,45 @@ #![feature(intra_doc_pointers)] #![deny(rustdoc::broken_intra_doc_links)] -// @has foo/index.html '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.rotate_left"]' 'slice::rotate_left' +// @has foo/index.html '//a[@href="{{channel}}/std/primitive.slice.html#method.rotate_left"]' 'slice::rotate_left' //! [slice::rotate_left] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.array.html#method.map"]' 'array::map' +// @has - '//a[@href="{{channel}}/std/primitive.array.html#method.map"]' 'array::map' //! [array::map] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html"]' 'owned str' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html"]' 'str ref' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html#method.is_empty"]' 'str::is_empty' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html#method.len"]' '&str::len' +// @has - '//a[@href="{{channel}}/std/primitive.str.html"]' 'owned str' +// @has - '//a[@href="{{channel}}/std/primitive.str.html"]' 'str ref' +// @has - '//a[@href="{{channel}}/std/primitive.str.html#method.is_empty"]' 'str::is_empty' +// @has - '//a[@href="{{channel}}/std/primitive.str.html#method.len"]' '&str::len' //! [owned str][str] //! [str ref][&str] //! [str::is_empty] //! [&str::len] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.is_null"]' 'pointer::is_null' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.is_null"]' '*const::is_null' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.is_null"]' '*mut::is_null' +// @has - '//a[@href="{{channel}}/std/primitive.pointer.html#method.is_null"]' 'pointer::is_null' +// @has - '//a[@href="{{channel}}/std/primitive.pointer.html#method.is_null"]' '*const::is_null' +// @has - '//a[@href="{{channel}}/std/primitive.pointer.html#method.is_null"]' '*mut::is_null' //! [pointer::is_null] //! [*const::is_null] //! [*mut::is_null] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.unit.html"]' 'unit' +// @has - '//a[@href="{{channel}}/std/primitive.unit.html"]' 'unit' //! [unit] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html"]' 'tuple' +// @has - '//a[@href="{{channel}}/std/primitive.tuple.html"]' 'tuple' //! [tuple] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.reference.html"]' 'reference' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.reference.html"]' '&' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.reference.html"]' '&mut' +// @has - '//a[@href="{{channel}}/std/primitive.reference.html"]' 'reference' +// @has - '//a[@href="{{channel}}/std/primitive.reference.html"]' '&' +// @has - '//a[@href="{{channel}}/std/primitive.reference.html"]' '&mut' //! [reference] //! [&] //! [&mut] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.fn.html"]' 'fn' +// @has - '//a[@href="{{channel}}/std/primitive.fn.html"]' 'fn' //! [fn] -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.never.html"]' 'never' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.never.html"]' '!' +// @has - '//a[@href="{{channel}}/std/primitive.never.html"]' 'never' +// @has - '//a[@href="{{channel}}/std/primitive.never.html"]' '!' //! [never] //! [!] diff --git a/src/test/rustdoc/intra-doc/prim-assoc.rs b/src/test/rustdoc/intra-doc/prim-assoc.rs index 4099ececfaf..c73140420ff 100644 --- a/src/test/rustdoc/intra-doc/prim-assoc.rs +++ b/src/test/rustdoc/intra-doc/prim-assoc.rs @@ -1,4 +1,4 @@ #![deny(broken_intra_doc_links)] //! [i32::MAX] -// @has prim_assoc/index.html '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.i32.html#associatedconstant.MAX"]' "i32::MAX" +// @has prim_assoc/index.html '//a[@href="{{channel}}/std/primitive.i32.html#associatedconstant.MAX"]' "i32::MAX" diff --git a/src/test/rustdoc/intra-doc/prim-methods-external-core.rs b/src/test/rustdoc/intra-doc/prim-methods-external-core.rs index 695a7fbfb53..9347d7bb428 100644 --- a/src/test/rustdoc/intra-doc/prim-methods-external-core.rs +++ b/src/test/rustdoc/intra-doc/prim-methods-external-core.rs @@ -9,8 +9,8 @@ #![crate_type = "rlib"] // @has prim_methods_external_core/index.html -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html#method.len_utf8"]' 'char::len_utf8' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.char.html"]' 'char' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.char.html#method.len_utf8"]' 'char::len_utf8' //! A [`char`] and its [`char::len_utf8`]. diff --git a/src/test/rustdoc/intra-doc/prim-methods-local.rs b/src/test/rustdoc/intra-doc/prim-methods-local.rs index f0b939a468c..124faa9a636 100644 --- a/src/test/rustdoc/intra-doc/prim-methods-local.rs +++ b/src/test/rustdoc/intra-doc/prim-methods-local.rs @@ -5,8 +5,8 @@ // @has prim_methods_local/index.html -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html#method.len_utf8"]' 'char::len_utf8' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.char.html"]' 'char' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.char.html#method.len_utf8"]' 'char::len_utf8' //! A [`char`] and its [`char::len_utf8`]. diff --git a/src/test/rustdoc/intra-doc/prim-methods.rs b/src/test/rustdoc/intra-doc/prim-methods.rs index 6de15e76d15..076117359d2 100644 --- a/src/test/rustdoc/intra-doc/prim-methods.rs +++ b/src/test/rustdoc/intra-doc/prim-methods.rs @@ -2,7 +2,7 @@ // @has prim_methods/index.html -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html#method.len_utf8"]' 'char::len_utf8' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.char.html"]' 'char' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.char.html#method.len_utf8"]' 'char::len_utf8' //! A [`char`] and its [`char::len_utf8`]. diff --git a/src/test/rustdoc/intra-doc/prim-precedence.rs b/src/test/rustdoc/intra-doc/prim-precedence.rs index 478b40b0b51..fcd86a99f1d 100644 --- a/src/test/rustdoc/intra-doc/prim-precedence.rs +++ b/src/test/rustdoc/intra-doc/prim-precedence.rs @@ -2,12 +2,12 @@ pub mod char { /// [char] - // @has prim_precedence/char/struct.Inner.html '//a/@href' 'https://doc.rust-lang.org/nightly/std/primitive.char.html' + // @has prim_precedence/char/struct.Inner.html '//a/@href' '{{channel}}/std/primitive.char.html' pub struct Inner; } /// See [prim@char] -// @has prim_precedence/struct.MyString.html '//a/@href' 'https://doc.rust-lang.org/nightly/std/primitive.char.html' +// @has prim_precedence/struct.MyString.html '//a/@href' '{{channel}}/std/primitive.char.html' pub struct MyString; /// See also [crate::char] and [mod@char] diff --git a/src/test/rustdoc/intra-doc/primitive-disambiguators.rs b/src/test/rustdoc/intra-doc/primitive-disambiguators.rs index acdd07566c9..9b3b6983240 100644 --- a/src/test/rustdoc/intra-doc/primitive-disambiguators.rs +++ b/src/test/rustdoc/intra-doc/primitive-disambiguators.rs @@ -1,4 +1,4 @@ #![deny(broken_intra_doc_links)] // @has primitive_disambiguators/index.html -// @has - '//a/@href' 'https://doc.rust-lang.org/nightly/std/primitive.str.html#method.trim' +// @has - '//a/@href' '{{channel}}/std/primitive.str.html#method.trim' //! [str::trim()] diff --git a/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs b/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs index cf83ead4db7..f8a824bd08f 100644 --- a/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs +++ b/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs @@ -3,29 +3,29 @@ // @has primitive_non_default_impl/fn.str_methods.html /// [`str::trim`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html#method.trim"]' 'str::trim' +// @has - '//*[@href="{{channel}}/std/primitive.str.html#method.trim"]' 'str::trim' /// [`str::to_lowercase`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html#method.to_lowercase"]' 'str::to_lowercase' +// @has - '//*[@href="{{channel}}/std/primitive.str.html#method.to_lowercase"]' 'str::to_lowercase' /// [`str::into_boxed_bytes`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html#method.into_boxed_bytes"]' 'str::into_boxed_bytes' +// @has - '//*[@href="{{channel}}/std/primitive.str.html#method.into_boxed_bytes"]' 'str::into_boxed_bytes' /// [`str::replace`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html#method.replace"]' 'str::replace' +// @has - '//*[@href="{{channel}}/std/primitive.str.html#method.replace"]' 'str::replace' pub fn str_methods() {} // @has primitive_non_default_impl/fn.f32_methods.html /// [f32::powi] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.f32.html#method.powi"]' 'f32::powi' +// @has - '//*[@href="{{channel}}/std/primitive.f32.html#method.powi"]' 'f32::powi' /// [f32::sqrt] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.f32.html#method.sqrt"]' 'f32::sqrt' +// @has - '//*[@href="{{channel}}/std/primitive.f32.html#method.sqrt"]' 'f32::sqrt' /// [f32::mul_add] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.f32.html#method.mul_add"]' 'f32::mul_add' +// @has - '//*[@href="{{channel}}/std/primitive.f32.html#method.mul_add"]' 'f32::mul_add' pub fn f32_methods() {} // @has primitive_non_default_impl/fn.f64_methods.html /// [`f64::powi`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.f64.html#method.powi"]' 'f64::powi' +// @has - '//*[@href="{{channel}}/std/primitive.f64.html#method.powi"]' 'f64::powi' /// [`f64::sqrt`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.f64.html#method.sqrt"]' 'f64::sqrt' +// @has - '//*[@href="{{channel}}/std/primitive.f64.html#method.sqrt"]' 'f64::sqrt' /// [`f64::mul_add`] -// @has - '//*[@href="https://doc.rust-lang.org/nightly/std/primitive.f64.html#method.mul_add"]' 'f64::mul_add' +// @has - '//*[@href="{{channel}}/std/primitive.f64.html#method.mul_add"]' 'f64::mul_add' pub fn f64_methods() {} diff --git a/src/test/rustdoc/intra-doc/pub-use.rs b/src/test/rustdoc/intra-doc/pub-use.rs index 579fa68cee8..b4f2d6b0617 100644 --- a/src/test/rustdoc/intra-doc/pub-use.rs +++ b/src/test/rustdoc/intra-doc/pub-use.rs @@ -12,7 +12,7 @@ extern crate inner; // documenting the re-export. // @has outer/index.html -// @ has - '//a[@href="https://doc.rust-lang.org/nightly/std/env/fn.var.html"]' "std::env" +// @ has - '//a[@href="{{channel}}/std/env/fn.var.html"]' "std::env" // @ has - '//a[@href="fn.f.html"]' "g" pub use f as g; @@ -23,5 +23,5 @@ extern crate self as _; // Make sure the documentation is actually correct by documenting an inlined re-export /// [mod@std::env] // @has outer/fn.f.html -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/env/index.html"]' "std::env" +// @has - '//a[@href="{{channel}}/std/env/index.html"]' "std::env" pub use inner::f; diff --git a/src/test/rustdoc/intra-doc/trait-item.rs b/src/test/rustdoc/intra-doc/trait-item.rs index 7602aced564..0be368d051e 100644 --- a/src/test/rustdoc/intra-doc/trait-item.rs +++ b/src/test/rustdoc/intra-doc/trait-item.rs @@ -3,7 +3,7 @@ /// Link to [S::assoc_fn()] /// Link to [Default::default()] // @has trait_item/struct.S.html '//*[@href="struct.S.html#method.assoc_fn"]' 'S::assoc_fn()' -// @has - '//*[@href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default"]' 'Default::default()' +// @has - '//*[@href="{{channel}}/core/default/trait.Default.html#tymethod.default"]' 'Default::default()' pub struct S; impl S { diff --git a/src/test/rustdoc/intra-doc/true-false.rs b/src/test/rustdoc/intra-doc/true-false.rs index db637ece369..44aac688413 100644 --- a/src/test/rustdoc/intra-doc/true-false.rs +++ b/src/test/rustdoc/intra-doc/true-false.rs @@ -3,7 +3,7 @@ // @has foo/index.html -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.bool.html"]' 'true' -// @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.bool.html"]' 'false' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.bool.html"]' 'true' +// @has - '//*[@id="main"]//a[@href="{{channel}}/std/primitive.bool.html"]' 'false' //! A `bool` is either [`true`] or [`false`]. diff --git a/src/test/rustdoc/intra-link-prim-self.rs b/src/test/rustdoc/intra-link-prim-self.rs index 1189d266c53..4744c84b622 100644 --- a/src/test/rustdoc/intra-link-prim-self.rs +++ b/src/test/rustdoc/intra-link-prim-self.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(broken_intra_doc_links)] #![feature(lang_items)] #![feature(no_core)] @@ -8,8 +7,8 @@ /// [Self::f] /// [Self::MAX] // @has intra_link_prim_self/primitive.usize.html -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.usize.html#method.f"]' 'Self::f' -// @has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.usize.html#associatedconstant.MAX"]' 'Self::MAX' +// @has - '//a[@href="{{channel}}/std/primitive.usize.html#method.f"]' 'Self::f' +// @has - '//a[@href="{{channel}}/std/primitive.usize.html#associatedconstant.MAX"]' 'Self::MAX' impl usize { /// Some docs pub fn f() {} @@ -18,7 +17,7 @@ impl usize { pub const MAX: usize = 10; // FIXME(#8995) uncomment this when associated types in inherent impls are supported - // @ has - '//a[@href="https://doc.rust-lang.org/nightly/std/primitive.usize.html#associatedtype.ME"]' 'Self::ME' + // @ has - '//a[@href="{{channel}}/std/primitive.usize.html#associatedtype.ME"]' 'Self::ME' // / [Self::ME] //pub type ME = usize; } diff --git a/src/test/rustdoc/issue-21474.rs b/src/test/rustdoc/issue-21474.rs index 5de26abace6..43ce13fd9b1 100644 --- a/src/test/rustdoc/issue-21474.rs +++ b/src/test/rustdoc/issue-21474.rs @@ -7,5 +7,5 @@ mod inner { pub trait Blah { } // @count issue_21474/struct.What.html \ -// '//*[@id="trait-implementations-list"]//*[@class="impl"]' 1 +// '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]' 1 pub struct What; diff --git a/src/test/rustdoc/issue-29503.rs b/src/test/rustdoc/issue-29503.rs index 2b25da77d7e..23d9e73b567 100644 --- a/src/test/rustdoc/issue-29503.rs +++ b/src/test/rustdoc/issue-29503.rs @@ -5,7 +5,7 @@ pub trait MyTrait { fn my_string(&self) -> String; } -// @has - "//div[@id='implementors-list']//h3[@id='impl-MyTrait']//code" "impl<T> MyTrait for T where T: Debug" +// @has - "//div[@id='implementors-list']//div[@id='impl-MyTrait']//code" "impl<T> MyTrait for T where T: Debug" impl<T> MyTrait for T where T: fmt::Debug { fn my_string(&self) -> String { format!("{:?}", self) diff --git a/src/test/rustdoc/issue-33302.rs b/src/test/rustdoc/issue-33302.rs index 21356b513ee..1777744c0fc 100644 --- a/src/test/rustdoc/issue-33302.rs +++ b/src/test/rustdoc/issue-33302.rs @@ -23,7 +23,7 @@ macro_rules! make { } // @has issue_33302/struct.S.html \ - // '//h3[@class="impl"]' 'impl T<[i32; 16]> for S' + // '//div[@class="impl has-srclink"]' 'impl T<[i32; 16]> for S' // @has - '//*[@id="associatedconstant.C"]' 'const C: [i32; 16]' // @has - '//*[@id="associatedconstant.D"]' 'const D: i32' impl T<[i32; ($n * $n)]> for S { @@ -31,7 +31,7 @@ macro_rules! make { } // @has issue_33302/struct.S.html \ - // '//h3[@class="impl"]' 'impl T<[i32; 16]> for S' + // '//div[@class="impl has-srclink"]' 'impl T<[i32; 16]> for S' // @has - '//*[@id="associatedconstant.C-1"]' 'const C: (i32,)' // @has - '//*[@id="associatedconstant.D-1"]' 'const D: i32' impl T<(i32,)> for S { @@ -39,7 +39,7 @@ macro_rules! make { } // @has issue_33302/struct.S.html \ - // '//h3[@class="impl"]' 'impl T<(i32, i32)> for S' + // '//div[@class="impl has-srclink"]' 'impl T<(i32, i32)> for S' // @has - '//*[@id="associatedconstant.C-2"]' 'const C: (i32, i32)' // @has - '//*[@id="associatedconstant.D-2"]' 'const D: i32' impl T<(i32, i32)> for S { diff --git a/src/test/rustdoc/issue-45584.rs b/src/test/rustdoc/issue-45584.rs index 8a5f0413826..86479e6fb2e 100644 --- a/src/test/rustdoc/issue-45584.rs +++ b/src/test/rustdoc/issue-45584.rs @@ -4,12 +4,12 @@ pub trait Bar<T, U> {} // @has 'foo/struct.Foo1.html' pub struct Foo1; -// @count - '//*[@id="trait-implementations-list"]//*[@class="impl"]' 1 -// @has - '//*[@class="impl"]' "impl Bar<Foo1, &'static Foo1> for Foo1" +// @count - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]' 1 +// @has - '//*[@class="impl has-srclink"]' "impl Bar<Foo1, &'static Foo1> for Foo1" impl Bar<Foo1, &'static Foo1> for Foo1 {} // @has 'foo/struct.Foo2.html' pub struct Foo2; -// @count - '//*[@id="trait-implementations-list"]//*[@class="impl"]' 1 -// @has - '//*[@class="impl"]' "impl Bar<&'static Foo2, Foo2> for u8" +// @count - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]' 1 +// @has - '//*[@class="impl has-srclink"]' "impl Bar<&'static Foo2, Foo2> for u8" impl Bar<&'static Foo2, Foo2> for u8 {} diff --git a/src/test/rustdoc/issue-50159.rs b/src/test/rustdoc/issue-50159.rs index 0820512e521..69774aa351f 100644 --- a/src/test/rustdoc/issue-50159.rs +++ b/src/test/rustdoc/issue-50159.rs @@ -14,7 +14,7 @@ impl<B, C> Signal2 for B where B: Signal<Item = C> { // @has - '//code' 'impl<B> Send for Switch<B> where <B as Signal>::Item: Send' // @has - '//code' 'impl<B> Sync for Switch<B> where <B as Signal>::Item: Sync' // @count - '//*[@id="implementations-list"]//*[@class="impl"]' 0 -// @count - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]' 5 +// @count - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]' 5 pub struct Switch<B: Signal> { pub inner: <B as Signal2>::Item2, } diff --git a/src/test/rustdoc/issue-51236.rs b/src/test/rustdoc/issue-51236.rs index d018c948162..e01dae6c7f1 100644 --- a/src/test/rustdoc/issue-51236.rs +++ b/src/test/rustdoc/issue-51236.rs @@ -7,8 +7,8 @@ pub mod traits { } // @has issue_51236/struct.Owned.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> Send for \ -// Owned<T> where <T as Owned<'static>>::Reader: Send" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> Send for Owned<T> where <T as Owned<'static>>::Reader: Send" pub struct Owned<T> where T: for<'a> ::traits::Owned<'a> { marker: PhantomData<<T as ::traits::Owned<'static>>::Reader>, } diff --git a/src/test/rustdoc/issue-53812.rs b/src/test/rustdoc/issue-53812.rs index ddc14e68675..0b1f2f2c93f 100644 --- a/src/test/rustdoc/issue-53812.rs +++ b/src/test/rustdoc/issue-53812.rs @@ -12,9 +12,10 @@ macro_rules! array_impls { } } -// @has issue_53812/trait.MyIterator.html '//*[@id="implementors-list"]/h3[1]' 'MyStruct<[T; 0]>' -// @has - '//*[@id="implementors-list"]/h3[2]' 'MyStruct<[T; 1]>' -// @has - '//*[@id="implementors-list"]/h3[3]' 'MyStruct<[T; 2]>' -// @has - '//*[@id="implementors-list"]/h3[4]' 'MyStruct<[T; 3]>' -// @has - '//*[@id="implementors-list"]/h3[5]' 'MyStruct<[T; 10]>' +// @has issue_53812/trait.MyIterator.html +// @has - '//*[@id="implementors-list"]/div[@class="impl has-srclink"][1]' 'MyStruct<[T; 0]>' +// @has - '//*[@id="implementors-list"]/div[@class="impl has-srclink"][2]' 'MyStruct<[T; 1]>' +// @has - '//*[@id="implementors-list"]/div[@class="impl has-srclink"][3]' 'MyStruct<[T; 2]>' +// @has - '//*[@id="implementors-list"]/div[@class="impl has-srclink"][4]' 'MyStruct<[T; 3]>' +// @has - '//*[@id="implementors-list"]/div[@class="impl has-srclink"][5]' 'MyStruct<[T; 10]>' array_impls! { 10 3 2 1 0 } diff --git a/src/test/rustdoc/issue-54705.rs b/src/test/rustdoc/issue-54705.rs index 47da94a4ccf..5a94d36ed70 100644 --- a/src/test/rustdoc/issue-54705.rs +++ b/src/test/rustdoc/issue-54705.rs @@ -3,11 +3,11 @@ pub trait ScopeHandle<'scope> {} // @has issue_54705/struct.ScopeFutureContents.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'scope, S> \ -// Send for ScopeFutureContents<'scope, S> where S: Sync" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'scope, S> Send for ScopeFutureContents<'scope, S> where S: Sync" // -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'scope, S> \ -// Sync for ScopeFutureContents<'scope, S> where S: Sync" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'scope, S> Sync for ScopeFutureContents<'scope, S> where S: Sync" pub struct ScopeFutureContents<'scope, S> where S: ScopeHandle<'scope>, { diff --git a/src/test/rustdoc/issue-55321.rs b/src/test/rustdoc/issue-55321.rs index d1877f39ba7..b664733487b 100644 --- a/src/test/rustdoc/issue-55321.rs +++ b/src/test/rustdoc/issue-55321.rs @@ -1,16 +1,18 @@ #![feature(negative_impls)] // @has issue_55321/struct.A.html -// @has - '//*[@id="trait-implementations-list"]//*[@class="impl"]//code' "impl !Send for A" -// @has - '//*[@id="trait-implementations-list"]//*[@class="impl"]//code' "impl !Sync for A" +// @has - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl !Send for A" +// @has - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl !Sync for A" pub struct A(); impl !Send for A {} impl !Sync for A {} // @has issue_55321/struct.B.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> !Send for \ -// B<T>" -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> !Sync for \ -// B<T>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> !Send for B<T>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> !Sync for B<T>" pub struct B<T: ?Sized>(A, Box<T>); diff --git a/src/test/rustdoc/issue-56822.rs b/src/test/rustdoc/issue-56822.rs index b932a3d3474..977596e0b90 100644 --- a/src/test/rustdoc/issue-56822.rs +++ b/src/test/rustdoc/issue-56822.rs @@ -17,8 +17,8 @@ impl<'a, T> MyTrait for Inner<'a, T> { } // @has issue_56822/struct.Parser.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'a> Send for \ -// Parser<'a>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'a> Send for Parser<'a>" pub struct Parser<'a> { field: <Wrapper<Inner<'a, u8>> as MyTrait>::Output } diff --git a/src/test/rustdoc/issue-60726.rs b/src/test/rustdoc/issue-60726.rs index 79b8b70c545..e0417f1a4f4 100644 --- a/src/test/rustdoc/issue-60726.rs +++ b/src/test/rustdoc/issue-60726.rs @@ -26,10 +26,10 @@ where {} // @has issue_60726/struct.IntoIter.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> !Send for \ -// IntoIter<T>" -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> !Sync for \ -// IntoIter<T>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> !Send for IntoIter<T>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> !Sync for IntoIter<T>" pub struct IntoIter<T>{ hello:DynTrait<FooInterface<T>>, } diff --git a/src/test/rustdoc/issue-76501.rs b/src/test/rustdoc/issue-76501.rs index d468f35e280..a90e0fea092 100644 --- a/src/test/rustdoc/issue-76501.rs +++ b/src/test/rustdoc/issue-76501.rs @@ -8,7 +8,8 @@ pub const fn bloop() -> i32 { pub struct Struct {} impl Struct { - // @has 'issue_76501/struct.Struct.html' '//*[@class="method"]' 'pub const fn blurp() -> i32' + // @has 'issue_76501/struct.Struct.html' '//*[@class="method has-srclink"]' \ + // 'pub const fn blurp() -> i32' /// A useless function that always returns 1. pub const fn blurp() -> i32 { 1 diff --git a/src/test/rustdoc/issue-78673.rs b/src/test/rustdoc/issue-78673.rs index d09141c3204..2e4bec2544c 100644 --- a/src/test/rustdoc/issue-78673.rs +++ b/src/test/rustdoc/issue-78673.rs @@ -7,8 +7,8 @@ pub trait AnAmazingTrait {} impl<T: Something> AnAmazingTrait for T {} // @has 'issue_78673/struct.MyStruct.html' -// @has - '//*[@class="impl"]' 'AnAmazingTrait for MyStruct' -// @!has - '//*[@class="impl"]' 'AnAmazingTrait for T' +// @has - '//*[@class="impl has-srclink"]' 'AnAmazingTrait for MyStruct' +// @!has - '//*[@class="impl has-srclink"]' 'AnAmazingTrait for T' pub struct MyStruct; impl AnAmazingTrait for MyStruct {} @@ -16,8 +16,8 @@ impl AnAmazingTrait for MyStruct {} // generic structs may have _both_ specific and blanket impls that apply // @has 'issue_78673/struct.AnotherStruct.html' -// @has - '//*[@class="impl"]' 'AnAmazingTrait for AnotherStruct<()>' -// @has - '//*[@class="impl"]' 'AnAmazingTrait for T' +// @has - '//*[@class="impl has-srclink"]' 'AnAmazingTrait for AnotherStruct<()>' +// @has - '//*[@class="impl has-srclink"]' 'AnAmazingTrait for T' pub struct AnotherStruct<T>(T); impl<T: Something> Something for AnotherStruct<T> {} diff --git a/src/test/rustdoc/keyword.rs b/src/test/rustdoc/keyword.rs index 25e8b7912e7..652517c5c90 100644 --- a/src/test/rustdoc/keyword.rs +++ b/src/test/rustdoc/keyword.rs @@ -4,7 +4,8 @@ // @has foo/index.html '//h2[@id="keywords"]' 'Keywords' // @has foo/index.html '//a[@href="keyword.match.html"]' 'match' -// @has foo/index.html '//div[@class="block items"]//a/@href' '#keywords' +// @has foo/index.html '//div[@class="sidebar-elems"]//li/a' 'Keywords' +// @has foo/index.html '//div[@class="sidebar-elems"]//li/a/@href' '#keywords' // @has foo/keyword.match.html '//a[@class="keyword"]' 'match' // @has foo/keyword.match.html '//span[@class="in-band"]' 'Keyword match' // @has foo/keyword.match.html '//section[@id="main"]//div[@class="docblock"]//p' 'this is a test!' diff --git a/src/test/rustdoc/mut-params.rs b/src/test/rustdoc/mut-params.rs index 1ef7e304fa2..f3ea6995839 100644 --- a/src/test/rustdoc/mut-params.rs +++ b/src/test/rustdoc/mut-params.rs @@ -5,7 +5,7 @@ pub struct Foo; -// @count foo/struct.Foo.html '//*[@class="impl-items"]//*[@class="method"]' 2 +// @count foo/struct.Foo.html '//*[@class="impl-items"]//*[@class="method has-srclink"]' 2 // @!has - '//*[@class="impl-items"]//*[@class="method"]' 'mut' impl Foo { pub fn foo(mut self) {} diff --git a/src/test/rustdoc/negative-impl.rs b/src/test/rustdoc/negative-impl.rs index d76aac6906c..ee65a7d5f39 100644 --- a/src/test/rustdoc/negative-impl.rs +++ b/src/test/rustdoc/negative-impl.rs @@ -5,8 +5,10 @@ pub struct Alpha; // @matches negative_impl/struct.Bravo.html '//pre' "pub struct Bravo<B>" pub struct Bravo<B>(B); -// @matches negative_impl/struct.Alpha.html '//*[@class="impl"]//code' "impl !Send for Alpha" +// @matches negative_impl/struct.Alpha.html '//*[@class="impl has-srclink"]//code' \ +// "impl !Send for Alpha" impl !Send for Alpha {} -// @matches negative_impl/struct.Bravo.html '//*[@class="impl"]//code' "impl<B> !Send for Bravo<B>" +// @matches negative_impl/struct.Bravo.html '//*[@class="impl has-srclink"]//code' "\ +// impl<B> !Send for Bravo<B>" impl<B> !Send for Bravo<B> {} diff --git a/src/test/rustdoc/primitive-generic-impl.rs b/src/test/rustdoc/primitive-generic-impl.rs index 5794322ba1d..2951f5128e0 100644 --- a/src/test/rustdoc/primitive-generic-impl.rs +++ b/src/test/rustdoc/primitive-generic-impl.rs @@ -2,4 +2,4 @@ include!("primitive/primitive-generic-impl.rs"); -// @has foo/primitive.i32.html '//h3[@id="impl-ToString"]//code' 'impl<T> ToString for T' +// @has foo/primitive.i32.html '//div[@id="impl-ToString"]//code' 'impl<T> ToString for T' diff --git a/src/test/rustdoc/primitive-link.rs b/src/test/rustdoc/primitive-link.rs index dd455e45bfc..125e0c84973 100644 --- a/src/test/rustdoc/primitive-link.rs +++ b/src/test/rustdoc/primitive-link.rs @@ -1,12 +1,12 @@ #![crate_name = "foo"] -// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.u32.html"]' 'u32' -// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.i64.html"]' 'i64' -// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.i32.html"]' 'std::primitive::i32' -// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html"]' 'std::primitive::str' +// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="{{channel}}/std/primitive.u32.html"]' 'u32' +// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="{{channel}}/std/primitive.i64.html"]' 'i64' +// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="{{channel}}/std/primitive.i32.html"]' 'std::primitive::i32' +// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="{{channel}}/std/primitive.str.html"]' 'std::primitive::str' -// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.i32.html#associatedconstant.MAX"]' 'std::primitive::i32::MAX' +// @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="{{channel}}/std/primitive.i32.html#associatedconstant.MAX"]' 'std::primitive::i32::MAX' /// It contains [`u32`] and [i64]. /// It also links to [std::primitive::i32], [std::primitive::str], diff --git a/src/test/rustdoc/primitive-reexport.rs b/src/test/rustdoc/primitive-reexport.rs index de18360d407..10a8a47db52 100644 --- a/src/test/rustdoc/primitive-reexport.rs +++ b/src/test/rustdoc/primitive-reexport.rs @@ -5,24 +5,24 @@ // @has bar/p/index.html // @has - '//code' 'pub use bool;' -// @has - '//code/a[@href="https://doc.rust-lang.org/nightly/std/primitive.bool.html"]' 'bool' +// @has - '//code/a[@href="{{channel}}/std/primitive.bool.html"]' 'bool' // @has - '//code' 'pub use char as my_char;' -// @has - '//code/a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' +// @has - '//code/a[@href="{{channel}}/std/primitive.char.html"]' 'char' pub mod p { pub use foo::bar::*; } // @has bar/baz/index.html // @has - '//code' 'pub use bool;' -// @has - '//code/a[@href="https://doc.rust-lang.org/nightly/std/primitive.bool.html"]' 'bool' +// @has - '//code/a[@href="{{channel}}/std/primitive.bool.html"]' 'bool' // @has - '//code' 'pub use char as my_char;' -// @has - '//code/a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' +// @has - '//code/a[@href="{{channel}}/std/primitive.char.html"]' 'char' pub use foo::bar as baz; // @has bar/index.html // @has - '//code' 'pub use str;' -// @has - '//code/a[@href="https://doc.rust-lang.org/nightly/std/primitive.str.html"]' 'str' +// @has - '//code/a[@href="{{channel}}/std/primitive.str.html"]' 'str' // @has - '//code' 'pub use i32 as my_i32;' -// @has - '//code/a[@href="https://doc.rust-lang.org/nightly/std/primitive.i32.html"]' 'i32' +// @has - '//code/a[@href="{{channel}}/std/primitive.i32.html"]' 'i32' pub use str; pub use i32 as my_i32; diff --git a/src/test/rustdoc/pub-method.rs b/src/test/rustdoc/pub-method.rs index 8e88b2b5901..fa7de0aff6a 100644 --- a/src/test/rustdoc/pub-method.rs +++ b/src/test/rustdoc/pub-method.rs @@ -10,8 +10,8 @@ pub fn bar() -> usize { } // @has foo/struct.Foo.html -// @has - '//*[@class="method"]' 'pub fn new()' -// @has - '//*[@class="method"]' 'fn not_pub()' +// @has - '//*[@class="method has-srclink"]' 'pub fn new()' +// @has - '//*[@class="method has-srclink"]' 'fn not_pub()' pub struct Foo(usize); impl Foo { diff --git a/src/test/rustdoc/sidebar-links-to-foreign-impl.rs b/src/test/rustdoc/sidebar-links-to-foreign-impl.rs index 6219a2c3b90..d256fbe8de0 100644 --- a/src/test/rustdoc/sidebar-links-to-foreign-impl.rs +++ b/src/test/rustdoc/sidebar-links-to-foreign-impl.rs @@ -6,9 +6,9 @@ // @has - '//*[@class="sidebar-title"][@href="#foreign-impls"]' 'Implementations on Foreign Types' // @has - '//h2[@id="foreign-impls"]' 'Implementations on Foreign Types' // @has - '//*[@class="sidebar-links"]/a[@href="#impl-Foo-for-u32"]' 'u32' -// @has - '//h3[@id="impl-Foo-for-u32"]//code' 'impl Foo for u32' +// @has - '//div[@id="impl-Foo-for-u32"]//code' 'impl Foo for u32' // @has - '//*[@class="sidebar-links"]/a[@href="#impl-Foo-for-%26%27a%20str"]' "&'a str" -// @has - '//h3[@id="impl-Foo-for-%26%27a%20str"]//code' "impl<'a> Foo for &'a str" +// @has - '//div[@id="impl-Foo-for-%26%27a%20str"]//code' "impl<'a> Foo for &'a str" pub trait Foo {} impl Foo for u32 {} diff --git a/src/test/rustdoc/sized_trait.rs b/src/test/rustdoc/sized_trait.rs index 26d12817afc..6730c71e90f 100644 --- a/src/test/rustdoc/sized_trait.rs +++ b/src/test/rustdoc/sized_trait.rs @@ -1,17 +1,17 @@ #![crate_name = "foo"] // @has foo/struct.Bar.html -// @!has - '//h3[@id="impl-Sized"]' +// @!has - '//div[@id="impl-Sized"]' pub struct Bar { a: u16, } // @has foo/struct.Foo.html -// @!has - '//h3[@id="impl-Sized"]' +// @!has - '//div[@id="impl-Sized"]' pub struct Foo<T: ?Sized>(T); // @has foo/struct.Unsized.html -// @has - '//h3[@id="impl-Sized"]/code' 'impl !Sized for Unsized' +// @has - '//div[@id="impl-Sized"]/code' 'impl !Sized for Unsized' pub struct Unsized { data: [u8], } diff --git a/src/test/rustdoc/spotlight-from-dependency.rs b/src/test/rustdoc/spotlight-from-dependency.rs index ed42c435945..864cb0c400b 100644 --- a/src/test/rustdoc/spotlight-from-dependency.rs +++ b/src/test/rustdoc/spotlight-from-dependency.rs @@ -3,7 +3,7 @@ use std::iter::Iterator; // @has foo/struct.Odd.html -// @has - '//h4[@id="method.new"]//span[@class="notable-traits"]//code/span' 'impl Iterator for Odd' +// @has - '//div[@id="method.new"]//span[@class="notable-traits"]//code/span' 'impl Iterator for Odd' pub struct Odd { current: usize, } diff --git a/src/test/rustdoc/src-links-auto-impls.rs b/src/test/rustdoc/src-links-auto-impls.rs index a1d183df0f1..6f609e080d3 100644 --- a/src/test/rustdoc/src-links-auto-impls.rs +++ b/src/test/rustdoc/src-links-auto-impls.rs @@ -1,12 +1,12 @@ #![crate_name = "foo"] // @has foo/struct.Unsized.html -// @has - '//h3[@id="impl-Sized"]/code' 'impl !Sized for Unsized' -// @!has - '//h3[@id="impl-Sized"]/a[@class="srclink"]' '[src]' -// @has - '//h3[@id="impl-Sync"]/code' 'impl Sync for Unsized' -// @!has - '//h3[@id="impl-Sync"]/a[@class="srclink"]' '[src]' -// @has - '//h3[@id="impl-Any"]/code' 'impl<T> Any for T' -// @has - '//h3[@id="impl-Any"]/a[@class="srclink"]' '[src]' +// @has - '//div[@id="impl-Sized"]/code' 'impl !Sized for Unsized' +// @!has - '//div[@id="impl-Sized"]/a[@class="srclink"]' '[src]' +// @has - '//div[@id="impl-Sync"]/code' 'impl Sync for Unsized' +// @!has - '//div[@id="impl-Sync"]/a[@class="srclink"]' '[src]' +// @has - '//div[@id="impl-Any"]/code' 'impl<T> Any for T' +// @has - '//div[@id="impl-Any"]/a[@class="srclink"]' '[src]' pub struct Unsized { data: [u8], } diff --git a/src/test/rustdoc/synthetic_auto/basic.rs b/src/test/rustdoc/synthetic_auto/basic.rs index 0dd3a3f7a86..943596a0c85 100644 --- a/src/test/rustdoc/synthetic_auto/basic.rs +++ b/src/test/rustdoc/synthetic_auto/basic.rs @@ -1,8 +1,8 @@ // @has basic/struct.Foo.html // @has - '//code' 'impl<T> Send for Foo<T> where T: Send' // @has - '//code' 'impl<T> Sync for Foo<T> where T: Sync' -// @count - '//*[@id="implementations-list"]//*[@class="impl"]' 0 -// @count - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]' 5 +// @count - '//*[@id="implementations-list"]//*[@class="impl has-srclink"]' 0 +// @count - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]' 5 pub struct Foo<T> { field: T, } diff --git a/src/test/rustdoc/synthetic_auto/complex.rs b/src/test/rustdoc/synthetic_auto/complex.rs index d951a20e2de..0213142266f 100644 --- a/src/test/rustdoc/synthetic_auto/complex.rs +++ b/src/test/rustdoc/synthetic_auto/complex.rs @@ -20,8 +20,8 @@ mod foo { } // @has complex/struct.NotOuter.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'a, T, K: \ -// ?Sized> Send for Outer<'a, T, K> where K: for<'b> Fn((&'b bool, &'a u8)) \ +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'a, T, K: ?Sized> Send for Outer<'a, T, K> where K: for<'b> Fn((&'b bool, &'a u8)) \ // -> &'b i8, T: MyTrait<'a>, <T as MyTrait<'a>>::MyItem: Copy, 'a: 'static" pub use foo::{Foo, Inner as NotInner, MyTrait as NotMyTrait, Outer as NotOuter}; diff --git a/src/test/rustdoc/synthetic_auto/lifetimes.rs b/src/test/rustdoc/synthetic_auto/lifetimes.rs index 05c88f10822..c2e9b6f4046 100644 --- a/src/test/rustdoc/synthetic_auto/lifetimes.rs +++ b/src/test/rustdoc/synthetic_auto/lifetimes.rs @@ -9,11 +9,11 @@ where {} // @has lifetimes/struct.Foo.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'c, K> Send \ -// for Foo<'c, K> where K: for<'b> Fn(&'b bool) -> &'c u8, 'c: 'static" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'c, K> Send for Foo<'c, K> where K: for<'b> Fn(&'b bool) -> &'c u8, 'c: 'static" // -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'c, K> Sync \ -// for Foo<'c, K> where K: Sync" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'c, K> Sync for Foo<'c, K> where K: Sync" pub struct Foo<'c, K: 'c> { inner_field: Inner<'c, K>, } diff --git a/src/test/rustdoc/synthetic_auto/manual.rs b/src/test/rustdoc/synthetic_auto/manual.rs index 88ddd57349a..91fe6c351c5 100644 --- a/src/test/rustdoc/synthetic_auto/manual.rs +++ b/src/test/rustdoc/synthetic_auto/manual.rs @@ -1,12 +1,12 @@ // @has manual/struct.Foo.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' 'impl<T> Sync for \ -// Foo<T> where T: Sync' +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// 'impl<T> Sync for Foo<T> where T: Sync' // -// @has - '//*[@id="trait-implementations-list"]//*[@class="impl"]//code' \ +// @has - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]//code' \ // 'impl<T> Send for Foo<T>' // -// @count - '//*[@id="trait-implementations-list"]//*[@class="impl"]' 1 -// @count - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]' 4 +// @count - '//*[@id="trait-implementations-list"]//*[@class="impl has-srclink"]' 1 +// @count - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]' 4 pub struct Foo<T> { field: T, } diff --git a/src/test/rustdoc/synthetic_auto/negative.rs b/src/test/rustdoc/synthetic_auto/negative.rs index 53801542c95..16b36b56b68 100644 --- a/src/test/rustdoc/synthetic_auto/negative.rs +++ b/src/test/rustdoc/synthetic_auto/negative.rs @@ -3,11 +3,11 @@ pub struct Inner<T: Copy> { } // @has negative/struct.Outer.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> !Send for \ -// Outer<T>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> !Send for Outer<T>" // -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> \ -// !Sync for Outer<T>" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> !Sync for Outer<T>" pub struct Outer<T: Copy> { inner_field: Inner<T>, } diff --git a/src/test/rustdoc/synthetic_auto/nested.rs b/src/test/rustdoc/synthetic_auto/nested.rs index d4d93a87ffc..a6cf5890dca 100644 --- a/src/test/rustdoc/synthetic_auto/nested.rs +++ b/src/test/rustdoc/synthetic_auto/nested.rs @@ -9,10 +9,10 @@ where } // @has nested/struct.Foo.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' 'impl<T> Send for \ -// Foo<T> where T: Copy' +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// 'impl<T> Send for Foo<T> where T: Copy' // -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' \ +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ // 'impl<T> Sync for Foo<T> where T: Sync' pub struct Foo<T> { inner_field: Inner<T>, diff --git a/src/test/rustdoc/synthetic_auto/no-redundancy.rs b/src/test/rustdoc/synthetic_auto/no-redundancy.rs index 3a23dc2cf95..5c744e3eb3c 100644 --- a/src/test/rustdoc/synthetic_auto/no-redundancy.rs +++ b/src/test/rustdoc/synthetic_auto/no-redundancy.rs @@ -9,8 +9,8 @@ where } // @has no_redundancy/struct.Outer.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> Send for \ -// Outer<T> where T: Copy + Send" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> Send for Outer<T> where T: Copy + Send" pub struct Outer<T> { inner_field: Inner<T>, } diff --git a/src/test/rustdoc/synthetic_auto/project.rs b/src/test/rustdoc/synthetic_auto/project.rs index 060491e3cf1..baf9924b1ae 100644 --- a/src/test/rustdoc/synthetic_auto/project.rs +++ b/src/test/rustdoc/synthetic_auto/project.rs @@ -23,11 +23,12 @@ where } // @has project/struct.Foo.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'c, K> Send \ -// for Foo<'c, K> where K: MyTrait<MyItem = bool>, 'c: 'static" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'c, K> Send for Foo<'c, K> where K: MyTrait<MyItem = bool>, 'c: 'static" // -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<'c, K> Sync \ -// for Foo<'c, K> where K: MyTrait, <K as MyTrait>::MyItem: OtherTrait, 'c: 'static," +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<'c, K> Sync for Foo<'c, K> where K: MyTrait, <K as MyTrait>::MyItem: OtherTrait, \ +// 'c: 'static," pub struct Foo<'c, K: 'c> { inner_field: Inner<'c, K>, } diff --git a/src/test/rustdoc/synthetic_auto/self-referential.rs b/src/test/rustdoc/synthetic_auto/self-referential.rs index ecdbdf41b20..e96187e2c96 100644 --- a/src/test/rustdoc/synthetic_auto/self-referential.rs +++ b/src/test/rustdoc/synthetic_auto/self-referential.rs @@ -23,7 +23,7 @@ impl<T> Pattern for Wrapper<T> { // @has self_referential/struct.WriteAndThen.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<P1> Send for \ -// WriteAndThen<P1> where <P1 as Pattern>::Value: Send" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<P1> Send for WriteAndThen<P1> where <P1 as Pattern>::Value: Send" pub struct WriteAndThen<P1>(pub P1::Value,pub <Constrain<P1, Wrapper<P1::Value>> as Pattern>::Value) where P1: Pattern; diff --git a/src/test/rustdoc/synthetic_auto/static-region.rs b/src/test/rustdoc/synthetic_auto/static-region.rs index a10e694c1b2..fc732a08ed4 100644 --- a/src/test/rustdoc/synthetic_auto/static-region.rs +++ b/src/test/rustdoc/synthetic_auto/static-region.rs @@ -3,8 +3,8 @@ pub trait OwnedTrait<'a> { } // @has static_region/struct.Owned.html -// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//code' "impl<T> Send for \ -// Owned<T> where <T as OwnedTrait<'static>>::Reader: Send" +// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl has-srclink"]//code' \ +// "impl<T> Send for Owned<T> where <T as OwnedTrait<'static>>::Reader: Send" pub struct Owned<T> where T: OwnedTrait<'static> { marker: <T as OwnedTrait<'static>>::Reader, } diff --git a/src/test/rustdoc/trait-attributes.rs b/src/test/rustdoc/trait-attributes.rs index 2bb24a82193..d0dfb8759e6 100644 --- a/src/test/rustdoc/trait-attributes.rs +++ b/src/test/rustdoc/trait-attributes.rs @@ -2,7 +2,7 @@ pub trait Foo { - // @has foo/trait.Foo.html '//h3[@id="tymethod.foo"]//div[@class="code-attribute"]' '#[must_use]' + // @has foo/trait.Foo.html '//div[@id="tymethod.foo"]//div[@class="code-attribute"]' '#[must_use]' #[must_use] fn foo(); } @@ -11,11 +11,11 @@ pub trait Foo { pub struct Bar; impl Bar { - // @has foo/struct.Bar.html '//h4[@id="method.bar"]//div[@class="code-attribute"]' '#[must_use]' + // @has foo/struct.Bar.html '//div[@id="method.bar"]//div[@class="code-attribute"]' '#[must_use]' #[must_use] pub fn bar() {} - // @has foo/struct.Bar.html '//h4[@id="method.bar2"]//div[@class="code-attribute"]' '#[must_use]' + // @has foo/struct.Bar.html '//div[@id="method.bar2"]//div[@class="code-attribute"]' '#[must_use]' #[must_use] pub fn bar2() {} } diff --git a/src/test/rustdoc/trait-impl-items-links-and-anchors.rs b/src/test/rustdoc/trait-impl-items-links-and-anchors.rs index c6a9313e821..5b7c04c0d44 100644 --- a/src/test/rustdoc/trait-impl-items-links-and-anchors.rs +++ b/src/test/rustdoc/trait-impl-items-links-and-anchors.rs @@ -8,58 +8,58 @@ pub trait MyTrait { impl MyTrait for String { - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedtype.Assoc-1"]//a[@class="type"]/@href' #associatedtype.Assoc - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedtype.Assoc-1"]//a[@class="anchor"]/@href' #associatedtype.Assoc-1 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedtype.Assoc-1"]//a[@class="type"]/@href' #associatedtype.Assoc + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedtype.Assoc-1"]//a[@class="anchor"]/@href' #associatedtype.Assoc-1 type Assoc = (); - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedconstant.VALUE-1"]//a[@class="constant"]/@href' #associatedconstant.VALUE - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedconstant.VALUE-1"]//a[@class="anchor"]/@href' #associatedconstant.VALUE-1 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedconstant.VALUE-1"]//a[@class="constant"]/@href' #associatedconstant.VALUE + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedconstant.VALUE-1"]//a[@class="anchor"]/@href' #associatedconstant.VALUE-1 const VALUE: u32 = 5; - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.trait_function"]//a[@class="fnname"]/@href' #tymethod.trait_function - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.trait_function"]//a[@class="anchor"]/@href' #method.trait_function + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.trait_function"]//a[@class="fnname"]/@href' #tymethod.trait_function + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.trait_function"]//a[@class="anchor"]/@href' #method.trait_function fn trait_function(&self) {} - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.defaulted_override-1"]//a[@class="fnname"]/@href' #method.defaulted_override - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.defaulted_override-1"]//a[@class="anchor"]/@href' #method.defaulted_override-1 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.defaulted_override-1"]//a[@class="fnname"]/@href' #method.defaulted_override + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.defaulted_override-1"]//a[@class="anchor"]/@href' #method.defaulted_override-1 fn defaulted_override(&self) {} } impl MyTrait for Vec<u8> { - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedtype.Assoc-2"]//a[@class="type"]/@href' #associatedtype.Assoc - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedtype.Assoc-2"]//a[@class="anchor"]/@href' #associatedtype.Assoc-2 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedtype.Assoc-2"]//a[@class="type"]/@href' #associatedtype.Assoc + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedtype.Assoc-2"]//a[@class="anchor"]/@href' #associatedtype.Assoc-2 type Assoc = (); - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedconstant.VALUE-2"]//a[@class="constant"]/@href' #associatedconstant.VALUE - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedconstant.VALUE-2"]//a[@class="anchor"]/@href' #associatedconstant.VALUE-2 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedconstant.VALUE-2"]//a[@class="constant"]/@href' #associatedconstant.VALUE + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedconstant.VALUE-2"]//a[@class="anchor"]/@href' #associatedconstant.VALUE-2 const VALUE: u32 = 5; - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.trait_function"]//a[@class="fnname"]/@href' #tymethod.trait_function - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.trait_function-1"]//a[@class="anchor"]/@href' #method.trait_function-1 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.trait_function"]//a[@class="fnname"]/@href' #tymethod.trait_function + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.trait_function-1"]//a[@class="anchor"]/@href' #method.trait_function-1 fn trait_function(&self) {} - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.defaulted_override-2"]//a[@class="fnname"]/@href' #method.defaulted_override - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.defaulted_override-2"]//a[@class="anchor"]/@href' #method.defaulted_override-2 + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.defaulted_override-2"]//a[@class="fnname"]/@href' #method.defaulted_override + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.defaulted_override-2"]//a[@class="anchor"]/@href' #method.defaulted_override-2 fn defaulted_override(&self) {} } impl MyTrait for MyStruct { - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedtype.Assoc-3"]//a[@class="type"]/@href' #associatedtype.Assoc - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedtype.Assoc-3"]//a[@class="anchor"]/@href' #associatedtype.Assoc-3 - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="associatedtype.Assoc"]//a[@class="type"]/@href' trait.MyTrait.html#associatedtype.Assoc - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="associatedtype.Assoc"]//a[@class="anchor"]/@href' #associatedtype.Assoc + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedtype.Assoc-3"]//a[@class="type"]/@href' #associatedtype.Assoc + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedtype.Assoc-3"]//a[@class="anchor"]/@href' #associatedtype.Assoc-3 + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="associatedtype.Assoc"]//a[@class="type"]/@href' trait.MyTrait.html#associatedtype.Assoc + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="associatedtype.Assoc"]//a[@class="anchor"]/@href' #associatedtype.Assoc type Assoc = bool; - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedconstant.VALUE-3"]//a[@class="constant"]/@href' #associatedconstant.VALUE - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="associatedconstant.VALUE-3"]//a[@class="anchor"]/@href' #associatedconstant.VALUE-3 - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="associatedconstant.VALUE"]//a[@class="constant"]/@href' trait.MyTrait.html#associatedconstant.VALUE - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="associatedconstant.VALUE"]//a[@class="anchor"]/@href' #associatedconstant.VALUE + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedconstant.VALUE-3"]//a[@class="constant"]/@href' #associatedconstant.VALUE + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="associatedconstant.VALUE-3"]//a[@class="anchor"]/@href' #associatedconstant.VALUE-3 + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="associatedconstant.VALUE"]//a[@class="constant"]/@href' trait.MyTrait.html#associatedconstant.VALUE + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="associatedconstant.VALUE"]//a[@class="anchor"]/@href' #associatedconstant.VALUE const VALUE: u32 = 20; - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.trait_function-2"]//a[@class="fnname"]/@href' #tymethod.trait_function - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.trait_function-2"]//a[@class="anchor"]/@href' #method.trait_function-2 - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="method.trait_function"]//a[@class="fnname"]/@href' trait.MyTrait.html#tymethod.trait_function - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="method.trait_function"]//a[@class="anchor"]/@href' #method.trait_function + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.trait_function-2"]//a[@class="fnname"]/@href' #tymethod.trait_function + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.trait_function-2"]//a[@class="anchor"]/@href' #method.trait_function-2 + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="method.trait_function"]//a[@class="fnname"]/@href' trait.MyTrait.html#tymethod.trait_function + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="method.trait_function"]//a[@class="anchor"]/@href' #method.trait_function fn trait_function(&self) {} - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.defaulted_override-3"]//a[@class="fnname"]/@href' #method.defaulted_override - // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//h4[@id="method.defaulted_override-3"]//a[@class="anchor"]/@href' #method.defaulted_override-3 - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="method.defaulted_override"]//a[@class="fnname"]/@href' trait.MyTrait.html#method.defaulted_override - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="method.defaulted_override"]//a[@class="anchor"]/@href' #method.defaulted_override + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.defaulted_override-3"]//a[@class="fnname"]/@href' #method.defaulted_override + // @has trait_impl_items_links_and_anchors/trait.MyTrait.html '//div[@id="method.defaulted_override-3"]//a[@class="anchor"]/@href' #method.defaulted_override-3 + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="method.defaulted_override"]//a[@class="fnname"]/@href' trait.MyTrait.html#method.defaulted_override + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="method.defaulted_override"]//a[@class="anchor"]/@href' #method.defaulted_override fn defaulted_override(&self) {} - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="method.defaulted"]//a[@class="fnname"]/@href' trait.MyTrait.html#method.defaulted - // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//h4[@id="method.defaulted"]//a[@class="anchor"]/@href' #method.defaulted + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="method.defaulted"]//a[@class="fnname"]/@href' trait.MyTrait.html#method.defaulted + // @has trait_impl_items_links_and_anchors/struct.MyStruct.html '//div[@id="method.defaulted"]//a[@class="anchor"]/@href' #method.defaulted } pub struct MyStruct; diff --git a/src/test/rustdoc/typedef.rs b/src/test/rustdoc/typedef.rs index 7f834d3d5a5..21a7fdda769 100644 --- a/src/test/rustdoc/typedef.rs +++ b/src/test/rustdoc/typedef.rs @@ -9,8 +9,8 @@ impl MyStruct { } // @has typedef/type.MyAlias.html -// @has - '//*[@class="impl"]//code' 'impl MyAlias' -// @has - '//*[@class="impl"]//code' 'impl MyTrait for MyAlias' +// @has - '//*[@class="impl has-srclink"]//code' 'impl MyAlias' +// @has - '//*[@class="impl has-srclink"]//code' 'impl MyTrait for MyAlias' // @has - 'Alias docstring' // @has - '//*[@class="sidebar"]//p[@class="location"]' 'Type Definition MyAlias' // @has - '//*[@class="sidebar"]//a[@href="#implementations"]' 'Methods' diff --git a/src/test/rustdoc/unindent.rs b/src/test/rustdoc/unindent.rs index d10e1ec89c5..372af5f4672 100644 --- a/src/test/rustdoc/unindent.rs +++ b/src/test/rustdoc/unindent.rs @@ -1,5 +1,3 @@ -#![feature(external_doc)] - #![crate_name = "foo"] // @has foo/struct.Example.html @@ -51,7 +49,7 @@ pub struct I; // @matches - '//div[@class="docblock"]/p' '(?m)a\nno whitespace\nJust some text.\Z' ///a ///no whitespace -#[doc(include = "unindent.md")] +#[doc = include_str!("unindent.md")] pub struct J; // @has foo/struct.K.html @@ -60,5 +58,5 @@ pub struct J; /// /// 4 whitespaces! /// -#[doc(include = "unindent.md")] +#[doc = include_str!("unindent.md")] pub struct K; diff --git a/src/test/rustdoc/where.rs b/src/test/rustdoc/where.rs index 992cddfe72a..f204a27d7d3 100644 --- a/src/test/rustdoc/where.rs +++ b/src/test/rustdoc/where.rs @@ -11,7 +11,7 @@ pub fn charlie<C>() where C: MyTrait {} pub struct Delta<D>(D); -// @has foo/struct.Delta.html '//*[@class="impl"]//code' \ +// @has foo/struct.Delta.html '//*[@class="impl has-srclink"]//code' \ // "impl<D> Delta<D> where D: MyTrait" impl<D> Delta<D> where D: MyTrait { pub fn delta() {} @@ -19,7 +19,7 @@ impl<D> Delta<D> where D: MyTrait { pub struct Echo<E>(E); -// @has foo/struct.Echo.html '//*[@class="impl"]//code' \ +// @has foo/struct.Echo.html '//*[@class="impl has-srclink"]//code' \ // "impl<E> MyTrait for Echo<E> where E: MyTrait" // @has foo/trait.MyTrait.html '//*[@id="implementors-list"]//code' \ // "impl<E> MyTrait for Echo<E> where E: MyTrait" @@ -27,7 +27,7 @@ impl<E> MyTrait for Echo<E> where E: MyTrait {} pub enum Foxtrot<F> { Foxtrot1(F) } -// @has foo/enum.Foxtrot.html '//*[@class="impl"]//code' \ +// @has foo/enum.Foxtrot.html '//*[@class="impl has-srclink"]//code' \ // "impl<F> MyTrait for Foxtrot<F> where F: MyTrait" // @has foo/trait.MyTrait.html '//*[@id="implementors-list"]//code' \ // "impl<F> MyTrait for Foxtrot<F> where F: MyTrait" diff --git a/src/test/ui/c-variadic/variadic-ffi-4.stderr b/src/test/ui/c-variadic/variadic-ffi-4.stderr index dd67514d02a..cf73403bbae 100644 --- a/src/test/ui/c-variadic/variadic-ffi-4.stderr +++ b/src/test/ui/c-variadic/variadic-ffi-4.stderr @@ -64,6 +64,10 @@ LL | pub unsafe extern "C" fn no_escape4(_: usize, mut ap0: &mut VaListImpl, mut | has type `&mut VaListImpl<'1>` LL | ap0 = &mut ap1; | ^^^^^^^^^^^^^^ assignment requires that `'1` must outlive `'2` + | + = note: requirement occurs because of a mutable reference to VaListImpl<'_> + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: lifetime may not live long enough --> $DIR/variadic-ffi-4.rs:28:5 @@ -74,6 +78,10 @@ LL | pub unsafe extern "C" fn no_escape4(_: usize, mut ap0: &mut VaListImpl, mut | has type `&mut VaListImpl<'1>` LL | ap0 = &mut ap1; | ^^^^^^^^^^^^^^ assignment requires that `'2` must outlive `'1` + | + = note: requirement occurs because of a mutable reference to VaListImpl<'_> + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error[E0597]: `ap1` does not live long enough --> $DIR/variadic-ffi-4.rs:28:11 diff --git a/src/test/ui/const-generics/array-impls/into-iter-impls-length-32.rs b/src/test/ui/const-generics/array-impls/into-iter-impls-length-32.rs index 6ba1b2813a1..457e5ae6049 100644 --- a/src/test/ui/const-generics/array-impls/into-iter-impls-length-32.rs +++ b/src/test/ui/const-generics/array-impls/into-iter-impls-length-32.rs @@ -9,31 +9,31 @@ use std::{ }; pub fn yes_iterator() -> impl Iterator<Item = i32> { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } pub fn yes_double_ended_iterator() -> impl DoubleEndedIterator { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } pub fn yes_exact_size_iterator() -> impl ExactSizeIterator { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } pub fn yes_fused_iterator() -> impl FusedIterator { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } pub fn yes_trusted_len() -> impl TrustedLen { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } pub fn yes_clone() -> impl Clone { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } pub fn yes_debug() -> impl Debug { - IntoIter::new([0i32; 32]) + IntoIterator::into_iter([0i32; 32]) } diff --git a/src/test/ui/const-generics/array-impls/into-iter-impls-length-33.rs b/src/test/ui/const-generics/array-impls/into-iter-impls-length-33.rs index deafde2912b..4f343f3f97e 100644 --- a/src/test/ui/const-generics/array-impls/into-iter-impls-length-33.rs +++ b/src/test/ui/const-generics/array-impls/into-iter-impls-length-33.rs @@ -9,31 +9,31 @@ use std::{ }; pub fn yes_iterator() -> impl Iterator<Item = i32> { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } pub fn yes_double_ended_iterator() -> impl DoubleEndedIterator { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } pub fn yes_exact_size_iterator() -> impl ExactSizeIterator { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } pub fn yes_fused_iterator() -> impl FusedIterator { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } pub fn yes_trusted_len() -> impl TrustedLen { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } pub fn yes_clone() -> impl Clone { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } pub fn yes_debug() -> impl Debug { - IntoIter::new([0i32; 33]) + IntoIterator::into_iter([0i32; 33]) } diff --git a/src/test/ui/const-generics/defaults/forward-declared.rs b/src/test/ui/const-generics/defaults/forward-declared.rs new file mode 100644 index 00000000000..09fc105320e --- /dev/null +++ b/src/test/ui/const-generics/defaults/forward-declared.rs @@ -0,0 +1,15 @@ +#![feature(const_generics_defaults)] + +struct Foo<const N: usize = M, const M: usize = 10>; +//~^ ERROR generic parameters with a default cannot use forward declared identifiers + +enum Bar<const N: usize = M, const M: usize = 10> {} +//~^ ERROR generic parameters with a default cannot use forward declared identifiers + +struct Foo2<const N: usize = N>; +//~^ ERROR generic parameters with a default cannot use forward declared identifiers + +enum Bar2<const N: usize = N> {} +//~^ ERROR generic parameters with a default cannot use forward declared identifiers + +fn main() {} diff --git a/src/test/ui/const-generics/defaults/forward-declared.stderr b/src/test/ui/const-generics/defaults/forward-declared.stderr new file mode 100644 index 00000000000..a6c4a7ae4ef --- /dev/null +++ b/src/test/ui/const-generics/defaults/forward-declared.stderr @@ -0,0 +1,27 @@ +error[E0128]: generic parameters with a default cannot use forward declared identifiers + --> $DIR/forward-declared.rs:3:29 + | +LL | struct Foo<const N: usize = M, const M: usize = 10>; + | ^ defaulted generic parameters cannot be forward declared + +error[E0128]: generic parameters with a default cannot use forward declared identifiers + --> $DIR/forward-declared.rs:6:27 + | +LL | enum Bar<const N: usize = M, const M: usize = 10> {} + | ^ defaulted generic parameters cannot be forward declared + +error[E0128]: generic parameters with a default cannot use forward declared identifiers + --> $DIR/forward-declared.rs:9:30 + | +LL | struct Foo2<const N: usize = N>; + | ^ defaulted generic parameters cannot be forward declared + +error[E0128]: generic parameters with a default cannot use forward declared identifiers + --> $DIR/forward-declared.rs:12:28 + | +LL | enum Bar2<const N: usize = N> {} + | ^ defaulted generic parameters cannot be forward declared + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0128`. diff --git a/src/test/ui/const-ptr/out_of_bounds_read.rs b/src/test/ui/const-ptr/out_of_bounds_read.rs deleted file mode 100644 index 183aa9e5122..00000000000 --- a/src/test/ui/const-ptr/out_of_bounds_read.rs +++ /dev/null @@ -1,16 +0,0 @@ -// error-pattern: any use of this value will cause an error - -#![feature(const_ptr_read)] -#![feature(const_ptr_offset)] - -fn main() { - use std::ptr; - - const DATA: [u32; 1] = [42]; - - const PAST_END_PTR: *const u32 = unsafe { DATA.as_ptr().add(1) }; - - const _READ: u32 = unsafe { ptr::read(PAST_END_PTR) }; - const _CONST_READ: u32 = unsafe { PAST_END_PTR.read() }; - const _MUT_READ: u32 = unsafe { (PAST_END_PTR as *mut u32).read() }; -} diff --git a/src/test/ui/const-ptr/out_of_bounds_read.stderr b/src/test/ui/const-ptr/out_of_bounds_read.stderr deleted file mode 100644 index 6c4092e3e5c..00000000000 --- a/src/test/ui/const-ptr/out_of_bounds_read.stderr +++ /dev/null @@ -1,59 +0,0 @@ -error: any use of this value will cause an error - --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | memory access failed: pointer must be in-bounds at offset 8, but is outside bounds of alloc6 which has size 4 - | inside `std::ptr::read::<u32>` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | inside `_READ` at $DIR/out_of_bounds_read.rs:13:33 - | - ::: $DIR/out_of_bounds_read.rs:13:5 - | -LL | const _READ: u32 = unsafe { ptr::read(PAST_END_PTR) }; - | ------------------------------------------------------ - | - = note: `#[deny(const_err)]` on by default - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: any use of this value will cause an error - --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | memory access failed: pointer must be in-bounds at offset 8, but is outside bounds of alloc6 which has size 4 - | inside `std::ptr::read::<u32>` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | inside `ptr::const_ptr::<impl *const u32>::read` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `_CONST_READ` at $DIR/out_of_bounds_read.rs:14:39 - | - ::: $DIR/out_of_bounds_read.rs:14:5 - | -LL | const _CONST_READ: u32 = unsafe { PAST_END_PTR.read() }; - | -------------------------------------------------------- - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: any use of this value will cause an error - --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | -LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | memory access failed: pointer must be in-bounds at offset 8, but is outside bounds of alloc6 which has size 4 - | inside `std::ptr::read::<u32>` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL - | inside `ptr::mut_ptr::<impl *mut u32>::read` at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL - | inside `_MUT_READ` at $DIR/out_of_bounds_read.rs:15:37 - | - ::: $DIR/out_of_bounds_read.rs:15:5 - | -LL | const _MUT_READ: u32 = unsafe { (PAST_END_PTR as *mut u32).read() }; - | -------------------------------------------------------------------- - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: aborting due to 3 previous errors - diff --git a/src/test/ui/consts/copy-intrinsic.rs b/src/test/ui/consts/copy-intrinsic.rs deleted file mode 100644 index 9dc595f37fa..00000000000 --- a/src/test/ui/consts/copy-intrinsic.rs +++ /dev/null @@ -1,45 +0,0 @@ -// ignore-tidy-linelength -#![feature(const_mut_refs, const_intrinsic_copy, const_ptr_offset)] -use std::{ptr, mem}; - -const COPY_ZERO: () = unsafe { - // Since we are not copying anything, this should be allowed. - let src = (); - let mut dst = (); - ptr::copy_nonoverlapping(&src as *const _ as *const i32, &mut dst as *mut _ as *mut i32, 0); -}; - -const COPY_OOB_1: () = unsafe { - let mut x = 0i32; - let dangle = (&mut x as *mut i32).wrapping_add(10); - // Even if the first ptr is an int ptr and this is a ZST copy, we should detect dangling 2nd ptrs. - ptr::copy_nonoverlapping(0x100 as *const i32, dangle, 0); //~ ERROR any use of this value will cause an error - //~| memory access failed: pointer must be in-bounds - //~| previously accepted -}; -const COPY_OOB_2: () = unsafe { - let x = 0i32; - let dangle = (&x as *const i32).wrapping_add(10); - // Even if the second ptr is an int ptr and this is a ZST copy, we should detect dangling 1st ptrs. - ptr::copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); //~ ERROR any use of this value will cause an error - //~| memory access failed: pointer must be in-bounds - //~| previously accepted -}; - -const COPY_SIZE_OVERFLOW: () = unsafe { - let x = 0; - let mut y = 0; - ptr::copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); //~ ERROR any use of this value will cause an error - //~| overflow computing total size of `copy` - //~| previously accepted -}; -const COPY_NONOVERLAPPING_SIZE_OVERFLOW: () = unsafe { - let x = 0; - let mut y = 0; - ptr::copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); //~ ERROR any use of this value will cause an error - //~| overflow computing total size of `copy_nonoverlapping` - //~| previously accepted -}; - -fn main() { -} diff --git a/src/test/ui/consts/copy-intrinsic.stderr b/src/test/ui/consts/copy-intrinsic.stderr deleted file mode 100644 index 2736cdeac69..00000000000 --- a/src/test/ui/consts/copy-intrinsic.stderr +++ /dev/null @@ -1,69 +0,0 @@ -error: any use of this value will cause an error - --> $DIR/copy-intrinsic.rs:16:5 - | -LL | / const COPY_OOB_1: () = unsafe { -LL | | let mut x = 0i32; -LL | | let dangle = (&mut x as *mut i32).wrapping_add(10); -LL | | // Even if the first ptr is an int ptr and this is a ZST copy, we should detect dangling 2nd ptrs. -LL | | ptr::copy_nonoverlapping(0x100 as *const i32, dangle, 0); - | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc4 which has size 4 -LL | | -LL | | -LL | | }; - | |__- - | - = note: `#[deny(const_err)]` on by default - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: any use of this value will cause an error - --> $DIR/copy-intrinsic.rs:24:5 - | -LL | / const COPY_OOB_2: () = unsafe { -LL | | let x = 0i32; -LL | | let dangle = (&x as *const i32).wrapping_add(10); -LL | | // Even if the second ptr is an int ptr and this is a ZST copy, we should detect dangling 1st ptrs. -LL | | ptr::copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); - | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset 40, but is outside bounds of alloc6 which has size 4 -LL | | -LL | | -LL | | }; - | |__- - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: any use of this value will cause an error - --> $DIR/copy-intrinsic.rs:32:5 - | -LL | / const COPY_SIZE_OVERFLOW: () = unsafe { -LL | | let x = 0; -LL | | let mut y = 0; -LL | | ptr::copy(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); - | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy` -LL | | -LL | | -LL | | }; - | |__- - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: any use of this value will cause an error - --> $DIR/copy-intrinsic.rs:39:5 - | -LL | / const COPY_NONOVERLAPPING_SIZE_OVERFLOW: () = unsafe { -LL | | let x = 0; -LL | | let mut y = 0; -LL | | ptr::copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::<usize>() * 8 - 1)); - | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy_nonoverlapping` -LL | | -LL | | -LL | | }; - | |__- - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> - -error: aborting due to 4 previous errors - diff --git a/src/test/ui/consts/miri_unleashed/tls.stderr b/src/test/ui/consts/miri_unleashed/tls.stderr index 30309da499f..62e2dc71210 100644 --- a/src/test/ui/consts/miri_unleashed/tls.stderr +++ b/src/test/ui/consts/miri_unleashed/tls.stderr @@ -2,13 +2,13 @@ error[E0080]: could not evaluate static initializer --> $DIR/tls.rs:12:25 | LL | unsafe { let _val = A; } - | ^ cannot access thread local static (DefId(0:6 ~ tls[f423]::A)) + | ^ cannot access thread local static (DefId(0:6 ~ tls[317d]::A)) error[E0080]: could not evaluate static initializer --> $DIR/tls.rs:19:26 | LL | unsafe { let _val = &A; } - | ^ cannot access thread local static (DefId(0:6 ~ tls[f423]::A)) + | ^ cannot access thread local static (DefId(0:6 ~ tls[317d]::A)) warning: skipping const checks | diff --git a/src/test/ui/dep-graph/dep-graph-check-attr.rs b/src/test/ui/dep-graph/dep-graph-check-attr.rs index 1026efc1b1d..a45bf24f8c1 100644 --- a/src/test/ui/dep-graph/dep-graph-check-attr.rs +++ b/src/test/ui/dep-graph/dep-graph-check-attr.rs @@ -5,7 +5,7 @@ #![allow(dead_code)] #![allow(unused_variables)] -#[rustc_dirty(hir_owner)] //~ ERROR attribute requires -Z query-dep-graph +#[rustc_clean(hir_owner)] //~ ERROR attribute requires -Z query-dep-graph fn main() {} #[rustc_if_this_changed(hir_owner)] //~ ERROR attribute requires -Z query-dep-graph diff --git a/src/test/ui/dep-graph/dep-graph-check-attr.stderr b/src/test/ui/dep-graph/dep-graph-check-attr.stderr index 945a4237c12..46f4e4358cf 100644 --- a/src/test/ui/dep-graph/dep-graph-check-attr.stderr +++ b/src/test/ui/dep-graph/dep-graph-check-attr.stderr @@ -1,7 +1,7 @@ error: attribute requires -Z query-dep-graph to be enabled --> $DIR/dep-graph-check-attr.rs:8:1 | -LL | #[rustc_dirty(hir_owner)] +LL | #[rustc_clean(hir_owner)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: attribute requires -Z query-dep-graph to be enabled diff --git a/src/test/ui/deprecation/deprecation-lint.rs b/src/test/ui/deprecation/deprecation-lint.rs index b6c791c15fd..35e42a6857f 100644 --- a/src/test/ui/deprecation/deprecation-lint.rs +++ b/src/test/ui/deprecation/deprecation-lint.rs @@ -430,6 +430,24 @@ mod this_crate2 { // the patterns are all fine: (..) = x; } + + #[derive(Debug)] + #[deprecated(note = "Use something else instead")] + enum DeprecatedDebugEnum { + Variant1 { value: Option<String> }, + } + + #[allow(deprecated)] + impl DeprecatedDebugEnum { + fn new() -> Self { + DeprecatedDebugEnum::Variant1 { value: None } + } + } + + #[allow(deprecated)] + pub fn allow_dep() { + let _ = DeprecatedDebugEnum::new(); + } } fn main() {} diff --git a/src/test/ui/error-codes/E0121.stderr b/src/test/ui/error-codes/E0121.stderr index ad854837ae5..246f69558ff 100644 --- a/src/test/ui/error-codes/E0121.stderr +++ b/src/test/ui/error-codes/E0121.stderr @@ -14,7 +14,7 @@ LL | static BAR: _ = "test"; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `&str` + | help: replace with the correct type: `&str` error: aborting due to 2 previous errors diff --git a/src/test/ui/extern/external-doc-error.rs b/src/test/ui/extern/external-doc-error.rs deleted file mode 100644 index 4e89f7464da..00000000000 --- a/src/test/ui/extern/external-doc-error.rs +++ /dev/null @@ -1,31 +0,0 @@ -// normalize-stderr-test: "not-a-file.md:.*\(" -> "not-a-file.md: $$FILE_NOT_FOUND_MSG (" - -#![feature(external_doc)] - -#[doc(include = "not-a-file.md")] -pub struct SomeStruct; //~^ ERROR couldn't read - -#[doc(include = "auxiliary/invalid-utf8.txt")] -pub struct InvalidUtf8; //~^ ERROR wasn't a utf-8 file - -#[doc(include)] -pub struct MissingPath; //~^ ERROR expected path - //~| HELP provide a file path with `=` - //~| SUGGESTION include = "<path>" - -#[doc(include("../README.md"))] -pub struct InvalidPathSyntax; //~^ ERROR expected path - //~| HELP provide a file path with `=` - //~| SUGGESTION include = "../README.md" - -#[doc(include = 123)] -pub struct InvalidPathType; //~^ ERROR expected path - //~| HELP provide a file path with `=` - //~| SUGGESTION include = "<path>" - -#[doc(include(123))] -pub struct InvalidPathSyntaxAndType; //~^ ERROR expected path - //~| HELP provide a file path with `=` - //~| SUGGESTION include = "<path>" - -fn main() {} diff --git a/src/test/ui/extern/external-doc-error.stderr b/src/test/ui/extern/external-doc-error.stderr deleted file mode 100644 index b180cd66c52..00000000000 --- a/src/test/ui/extern/external-doc-error.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error: couldn't read $DIR/not-a-file.md: $FILE_NOT_FOUND_MSG (os error 2) - --> $DIR/external-doc-error.rs:5:17 - | -LL | #[doc(include = "not-a-file.md")] - | ^^^^^^^^^^^^^^^ couldn't read file - -error: $DIR/auxiliary/invalid-utf8.txt wasn't a utf-8 file - --> $DIR/external-doc-error.rs:8:17 - | -LL | #[doc(include = "auxiliary/invalid-utf8.txt")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ contains invalid utf-8 - -error: expected path to external documentation - --> $DIR/external-doc-error.rs:11:7 - | -LL | #[doc(include)] - | ^^^^^^^ help: provide a file path with `=`: `include = "<path>"` - -error: expected path to external documentation - --> $DIR/external-doc-error.rs:16:7 - | -LL | #[doc(include("../README.md"))] - | ^^^^^^^^^^^^^^^^^^^^^^^ help: provide a file path with `=`: `include = "../README.md"` - -error: expected path to external documentation - --> $DIR/external-doc-error.rs:21:7 - | -LL | #[doc(include = 123)] - | ^^^^^^^^^^^^^ help: provide a file path with `=`: `include = "<path>"` - -error: expected path to external documentation - --> $DIR/external-doc-error.rs:26:7 - | -LL | #[doc(include(123))] - | ^^^^^^^^^^^^ help: provide a file path with `=`: `include = "<path>"` - -error: aborting due to 6 previous errors - diff --git a/src/test/ui/feature-gates/feature-gate-external_doc.rs b/src/test/ui/feature-gates/feature-gate-external_doc.rs deleted file mode 100644 index 4e6e293846c..00000000000 --- a/src/test/ui/feature-gates/feature-gate-external_doc.rs +++ /dev/null @@ -1,3 +0,0 @@ -#[doc(include="asdf.md")] //~ ERROR: `#[doc(include)]` is experimental - //~| ERROR: `#[doc(include)]` is experimental -fn main() {} diff --git a/src/test/ui/feature-gates/feature-gate-external_doc.stderr b/src/test/ui/feature-gates/feature-gate-external_doc.stderr deleted file mode 100644 index bd2aefe90c1..00000000000 --- a/src/test/ui/feature-gates/feature-gate-external_doc.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0658]: `#[doc(include)]` is experimental - --> $DIR/feature-gate-external_doc.rs:1:1 - | -LL | #[doc(include="asdf.md")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #44732 <https://github.com/rust-lang/rust/issues/44732> for more information - = help: add `#![feature(external_doc)]` to the crate attributes to enable - -error[E0658]: `#[doc(include)]` is experimental - --> $DIR/feature-gate-external_doc.rs:1:1 - | -LL | #[doc(include="asdf.md")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #44732 <https://github.com/rust-lang/rust/issues/44732> for more information - = help: add `#![feature(external_doc)]` to the crate attributes to enable - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib-2.rs b/src/test/ui/feature-gates/feature-gate-raw-dylib-2.rs index 518aa20dd68..518aa20dd68 100644 --- a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib-2.rs +++ b/src/test/ui/feature-gates/feature-gate-raw-dylib-2.rs diff --git a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib-2.stderr b/src/test/ui/feature-gates/feature-gate-raw-dylib-2.stderr index dbee5f316b0..dbee5f316b0 100644 --- a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib-2.stderr +++ b/src/test/ui/feature-gates/feature-gate-raw-dylib-2.stderr diff --git a/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-gnu.rs b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-gnu.rs new file mode 100644 index 00000000000..33f9c539313 --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-gnu.rs @@ -0,0 +1,8 @@ +// gate-test-raw_dylib +// only-windows-gnu +#[link(name = "foo", kind = "raw-dylib")] +//~^ ERROR: kind="raw-dylib" is unstable +//~| WARNING: `#[link(...)]` with `kind = "raw-dylib"` not supported on windows-gnu +extern "C" {} + +fn main() {} diff --git a/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-gnu.stderr b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-gnu.stderr new file mode 100644 index 00000000000..14dfadf4126 --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-gnu.stderr @@ -0,0 +1,18 @@ +warning: `#[link(...)]` with `kind = "raw-dylib"` not supported on windows-gnu + --> $DIR/feature-gate-raw-dylib-windows-gnu.rs:3:1 + | +LL | #[link(name = "foo", kind = "raw-dylib")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error[E0658]: kind="raw-dylib" is unstable + --> $DIR/feature-gate-raw-dylib-windows-gnu.rs:3:1 + | +LL | #[link(name = "foo", kind = "raw-dylib")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information + = help: add `#![feature(raw_dylib)]` to the crate attributes to enable + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib.rs b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-msvc.rs index 29edd0f9ef9..49de24ea9ab 100644 --- a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib.rs +++ b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-msvc.rs @@ -1,3 +1,5 @@ +// gate-test-raw_dylib +// only-windows-msvc #[link(name = "foo", kind = "raw-dylib")] //~^ ERROR: kind="raw-dylib" is unstable extern "C" {} diff --git a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib.stderr b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-msvc.stderr index a670b6c6c2a..11988080812 100644 --- a/src/test/ui/rfc-2627-raw-dylib/feature-gate-raw-dylib.stderr +++ b/src/test/ui/feature-gates/feature-gate-raw-dylib-windows-msvc.stderr @@ -1,5 +1,5 @@ error[E0658]: kind="raw-dylib" is unstable - --> $DIR/feature-gate-raw-dylib.rs:1:1 + --> $DIR/feature-gate-raw-dylib-windows-msvc.rs:3:1 | LL | #[link(name = "foo", kind = "raw-dylib")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/generator/print/generator-print-verbose-1.stderr b/src/test/ui/generator/print/generator-print-verbose-1.stderr index bd0d27ff3e9..78100318dc3 100644 --- a/src/test/ui/generator/print/generator-print-verbose-1.stderr +++ b/src/test/ui/generator/print/generator-print-verbose-1.stderr @@ -12,7 +12,7 @@ note: generator is not `Send` as this value is used across a yield --> $DIR/generator-print-verbose-1.rs:35:9 | LL | let _non_send_gen = make_non_send_generator(); - | ------------- has type `Opaque(DefId(0:34 ~ generator_print_verbose_1[70c9]::make_non_send_generator::{opaque#0}), [])` which is not `Send` + | ------------- has type `Opaque(DefId(0:34 ~ generator_print_verbose_1[317d]::make_non_send_generator::{opaque#0}), [])` which is not `Send` LL | yield; | ^^^^^ yield occurs here, with `_non_send_gen` maybe used later LL | }; @@ -30,10 +30,10 @@ LL | require_send(send_gen); = help: the trait `Sync` is not implemented for `RefCell<i32>` = note: required because of the requirements on the impl of `Send` for `Arc<RefCell<i32>>` = note: required because it appears within the type `[make_gen2<Arc<RefCell<i32>>>::{closure#0} upvar_tys=(Arc<RefCell<i32>>) {()}]` - = note: required because it appears within the type `Opaque(DefId(0:39 ~ generator_print_verbose_1[70c9]::make_gen2::{opaque#0}), [std::sync::Arc<std::cell::RefCell<i32>>])` - = note: required because it appears within the type `Opaque(DefId(0:42 ~ generator_print_verbose_1[70c9]::make_non_send_generator2::{opaque#0}), [])` - = note: required because it appears within the type `{Opaque(DefId(0:42 ~ generator_print_verbose_1[70c9]::make_non_send_generator2::{opaque#0}), []), ()}` - = note: required because it appears within the type `[test2::{closure#0} upvar_tys=() {Opaque(DefId(0:42 ~ generator_print_verbose_1[70c9]::make_non_send_generator2::{opaque#0}), []), ()}]` + = note: required because it appears within the type `Opaque(DefId(0:39 ~ generator_print_verbose_1[317d]::make_gen2::{opaque#0}), [std::sync::Arc<std::cell::RefCell<i32>>])` + = note: required because it appears within the type `Opaque(DefId(0:42 ~ generator_print_verbose_1[317d]::make_non_send_generator2::{opaque#0}), [])` + = note: required because it appears within the type `{Opaque(DefId(0:42 ~ generator_print_verbose_1[317d]::make_non_send_generator2::{opaque#0}), []), ()}` + = note: required because it appears within the type `[test2::{closure#0} upvar_tys=() {Opaque(DefId(0:42 ~ generator_print_verbose_1[317d]::make_non_send_generator2::{opaque#0}), []), ()}]` error: aborting due to 2 previous errors diff --git a/src/test/ui/intrinsics/issue-84297-reifying-copy.rs b/src/test/ui/intrinsics/issue-84297-reifying-copy.rs new file mode 100644 index 00000000000..08ba9ce7ecb --- /dev/null +++ b/src/test/ui/intrinsics/issue-84297-reifying-copy.rs @@ -0,0 +1,9 @@ +// check-pass + +fn main() { + let _unused = if true { + core::ptr::copy::<i32> + } else { + core::ptr::copy_nonoverlapping::<i32> + }; +} diff --git a/src/test/ui/issues/issue-69396-const-no-type-in-macro.stderr b/src/test/ui/issues/issue-69396-const-no-type-in-macro.stderr index 6a744812e41..a84c048fab9 100644 --- a/src/test/ui/issues/issue-69396-const-no-type-in-macro.stderr +++ b/src/test/ui/issues/issue-69396-const-no-type-in-macro.stderr @@ -37,7 +37,7 @@ LL | const A = "A".$fn(); | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `bool` + | help: replace with the correct type: `bool` ... LL | / suite! { LL | | len; diff --git a/src/test/ui/layout/issue-84108.rs b/src/test/ui/layout/issue-84108.rs new file mode 100644 index 00000000000..dd025c9b443 --- /dev/null +++ b/src/test/ui/layout/issue-84108.rs @@ -0,0 +1,14 @@ +// See issue #84108 -- this is a test to ensure we do not ICE +// on this invalid code. + +#![crate_type = "lib"] + +static FOO: (dyn AsRef<OsStr>, u8) = ("hello", 42); +//~^ ERROR cannot find type `OsStr` in this scope + +const BAR: (&Path, [u8], usize) = ("hello", [], 42); +//~^ ERROR cannot find type `Path` in this scope +//~| ERROR the size for values of type `[u8]` cannot be known at compilation time + +static BAZ: ([u8], usize) = ([], 0); +//~^ ERROR the size for values of type `[u8]` cannot be known at compilation time diff --git a/src/test/ui/layout/issue-84108.stderr b/src/test/ui/layout/issue-84108.stderr new file mode 100644 index 00000000000..36be6424110 --- /dev/null +++ b/src/test/ui/layout/issue-84108.stderr @@ -0,0 +1,44 @@ +error[E0412]: cannot find type `OsStr` in this scope + --> $DIR/issue-84108.rs:6:24 + | +LL | static FOO: (dyn AsRef<OsStr>, u8) = ("hello", 42); + | ^^^^^ not found in this scope + | +help: consider importing this struct + | +LL | use std::ffi::OsStr; + | + +error[E0412]: cannot find type `Path` in this scope + --> $DIR/issue-84108.rs:9:14 + | +LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); + | ^^^^ not found in this scope + | +help: consider importing this struct + | +LL | use std::path::Path; + | + +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/issue-84108.rs:9:12 + | +LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); + | ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` + = note: only the last element of a tuple may have a dynamically sized type + +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/issue-84108.rs:13:13 + | +LL | static BAZ: ([u8], usize) = ([], 0); + | ^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` + = note: only the last element of a tuple may have a dynamically sized type + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0277, E0412. +For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/lint/force-warn/force-allowed-by-default-lint.rs b/src/test/ui/lint/force-warn/force-allowed-by-default-lint.rs new file mode 100644 index 00000000000..d4a5056ddf3 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-allowed-by-default-lint.rs @@ -0,0 +1,11 @@ +// compile-flags: --force-warns elided_lifetimes_in_paths +// check-pass + +struct Foo<'a> { + x: &'a u32, +} + +fn foo(x: &Foo) {} +//~^ WARN hidden lifetime parameters in types are deprecated + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-allowed-by-default-lint.stderr b/src/test/ui/lint/force-warn/force-allowed-by-default-lint.stderr new file mode 100644 index 00000000000..0e0e934c765 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-allowed-by-default-lint.stderr @@ -0,0 +1,10 @@ +warning: hidden lifetime parameters in types are deprecated + --> $DIR/force-allowed-by-default-lint.rs:8:12 + | +LL | fn foo(x: &Foo) {} + | ^^^- help: indicate the anonymous lifetime: `<'_>` + | + = note: warning forced by `force-warns` commandline option + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-allowed-deny-by-default-lint.rs b/src/test/ui/lint/force-warn/force-allowed-deny-by-default-lint.rs new file mode 100644 index 00000000000..afd2d6ec322 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-allowed-deny-by-default-lint.rs @@ -0,0 +1,9 @@ +// compile-flags: --force-warns const_err +// check-pass + +#![allow(const_err)] +const C: i32 = 1 / 0; +//~^ WARN any use of this value will cause an error +//~| WARN this was previously accepted by the compiler + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-allowed-deny-by-default-lint.stderr b/src/test/ui/lint/force-warn/force-allowed-deny-by-default-lint.stderr new file mode 100644 index 00000000000..bad12f94b18 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-allowed-deny-by-default-lint.stderr @@ -0,0 +1,14 @@ +warning: any use of this value will cause an error + --> $DIR/force-allowed-deny-by-default-lint.rs:5:16 + | +LL | const C: i32 = 1 / 0; + | ---------------^^^^^- + | | + | attempt to divide `1_i32` by zero + | + = note: warning forced by `force-warns` commandline option + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-allowed-warning.rs b/src/test/ui/lint/force-warn/force-allowed-warning.rs new file mode 100644 index 00000000000..5c83c525e38 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-allowed-warning.rs @@ -0,0 +1,9 @@ +// compile-flags: --force-warns dead_code +// check-pass + +#![allow(dead_code)] + +fn dead_function() {} +//~^ WARN function is never used + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-allowed-warning.stderr b/src/test/ui/lint/force-warn/force-allowed-warning.stderr new file mode 100644 index 00000000000..145798a32a9 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-allowed-warning.stderr @@ -0,0 +1,10 @@ +warning: function is never used: `dead_function` + --> $DIR/force-allowed-warning.rs:6:4 + | +LL | fn dead_function() {} + | ^^^^^^^^^^^^^ + | + = note: warning forced by `force-warns` commandline option + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-deny-by-default-lint.rs b/src/test/ui/lint/force-warn/force-deny-by-default-lint.rs new file mode 100644 index 00000000000..4f267f085d5 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-deny-by-default-lint.rs @@ -0,0 +1,8 @@ +// compile-flags: --force-warns const_err +// check-pass + +const C: i32 = 1 / 0; +//~^ WARN any use of this value will cause an error +//~| WARN this was previously accepted by the compiler + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-deny-by-default-lint.stderr b/src/test/ui/lint/force-warn/force-deny-by-default-lint.stderr new file mode 100644 index 00000000000..4b004cf367d --- /dev/null +++ b/src/test/ui/lint/force-warn/force-deny-by-default-lint.stderr @@ -0,0 +1,14 @@ +warning: any use of this value will cause an error + --> $DIR/force-deny-by-default-lint.rs:4:16 + | +LL | const C: i32 = 1 / 0; + | ---------------^^^^^- + | | + | attempt to divide `1_i32` by zero + | + = note: warning forced by `force-warns` commandline option + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-lint-allow-all-warnings.rs b/src/test/ui/lint/force-warn/force-lint-allow-all-warnings.rs new file mode 100644 index 00000000000..5501faa437a --- /dev/null +++ b/src/test/ui/lint/force-warn/force-lint-allow-all-warnings.rs @@ -0,0 +1,9 @@ +// compile-flags: --force-warns dead_code +// check-pass + +#![allow(warnings)] + +fn dead_function() {} +//~^ WARN function is never used + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-lint-allow-all-warnings.stderr b/src/test/ui/lint/force-warn/force-lint-allow-all-warnings.stderr new file mode 100644 index 00000000000..577dbe1fea8 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-lint-allow-all-warnings.stderr @@ -0,0 +1,10 @@ +warning: function is never used: `dead_function` + --> $DIR/force-lint-allow-all-warnings.rs:6:4 + | +LL | fn dead_function() {} + | ^^^^^^^^^^^^^ + | + = note: warning forced by `force-warns` commandline option + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-lint-group-allow-all-warnings.rs b/src/test/ui/lint/force-warn/force-lint-group-allow-all-warnings.rs new file mode 100644 index 00000000000..9009971f0cf --- /dev/null +++ b/src/test/ui/lint/force-warn/force-lint-group-allow-all-warnings.rs @@ -0,0 +1,9 @@ +// compile-flags: --force-warns nonstandard_style +// check-pass + +#![allow(warnings)] + +pub fn FUNCTION() {} +//~^ WARN function `FUNCTION` should have a snake case name + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-lint-group-allow-all-warnings.stderr b/src/test/ui/lint/force-warn/force-lint-group-allow-all-warnings.stderr new file mode 100644 index 00000000000..8665fa2610a --- /dev/null +++ b/src/test/ui/lint/force-warn/force-lint-group-allow-all-warnings.stderr @@ -0,0 +1,10 @@ +warning: function `FUNCTION` should have a snake case name + --> $DIR/force-lint-group-allow-all-warnings.rs:6:8 + | +LL | pub fn FUNCTION() {} + | ^^^^^^^^ help: convert the identifier to snake case: `function` + | + = note: warning forced by `force-warns` commandline option + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-lint-in-allowed-group.rs b/src/test/ui/lint/force-warn/force-lint-in-allowed-group.rs new file mode 100644 index 00000000000..b68b979ca11 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-lint-in-allowed-group.rs @@ -0,0 +1,12 @@ +// compile-flags: --force-warns bare_trait_objects +// check-pass + +#![allow(rust_2018_idioms)] + +pub trait SomeTrait {} + +pub fn function(_x: Box<SomeTrait>) {} +//~^ WARN trait objects without an explicit `dyn` are deprecated +//~| WARN this was previously accepted by the compiler + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-lint-in-allowed-group.stderr b/src/test/ui/lint/force-warn/force-lint-in-allowed-group.stderr new file mode 100644 index 00000000000..40750ffea8c --- /dev/null +++ b/src/test/ui/lint/force-warn/force-lint-in-allowed-group.stderr @@ -0,0 +1,12 @@ +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/force-lint-in-allowed-group.rs:8:25 + | +LL | pub fn function(_x: Box<SomeTrait>) {} + | ^^^^^^^^^ help: use `dyn`: `dyn SomeTrait` + | + = note: warning forced by `force-warns` commandline option + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165> + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-warn-group-allow-warning.rs b/src/test/ui/lint/force-warn/force-warn-group-allow-warning.rs new file mode 100644 index 00000000000..357a79b383d --- /dev/null +++ b/src/test/ui/lint/force-warn/force-warn-group-allow-warning.rs @@ -0,0 +1,12 @@ +// compile-flags: --force-warns rust_2018_idioms +// check-pass + +#![allow(bare_trait_objects)] + +pub trait SomeTrait {} + +pub fn function(_x: Box<SomeTrait>) {} +//~^ WARN trait objects without an explicit `dyn` are deprecated +//~| WARN this was previously accepted by the compiler + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-warn-group-allow-warning.stderr b/src/test/ui/lint/force-warn/force-warn-group-allow-warning.stderr new file mode 100644 index 00000000000..88ae846caa0 --- /dev/null +++ b/src/test/ui/lint/force-warn/force-warn-group-allow-warning.stderr @@ -0,0 +1,12 @@ +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/force-warn-group-allow-warning.rs:8:25 + | +LL | pub fn function(_x: Box<SomeTrait>) {} + | ^^^^^^^^^ help: use `dyn`: `dyn SomeTrait` + | + = note: warning forced by `force-warns` commandline option + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165> + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/force-warn/force-warn-group.rs b/src/test/ui/lint/force-warn/force-warn-group.rs new file mode 100644 index 00000000000..a4615df42de --- /dev/null +++ b/src/test/ui/lint/force-warn/force-warn-group.rs @@ -0,0 +1,12 @@ +// compile-flags: --force-warns rust_2018_idioms +// check-pass + +#![allow(rust_2018_idioms)] + +pub trait SomeTrait {} + +pub fn function(_x: Box<SomeTrait>) {} +//~^ WARN trait objects without an explicit `dyn` are deprecated +//~| WARN this was previously accepted by the compiler + +fn main() {} diff --git a/src/test/ui/lint/force-warn/force-warn-group.stderr b/src/test/ui/lint/force-warn/force-warn-group.stderr new file mode 100644 index 00000000000..f808727991e --- /dev/null +++ b/src/test/ui/lint/force-warn/force-warn-group.stderr @@ -0,0 +1,12 @@ +warning: trait objects without an explicit `dyn` are deprecated + --> $DIR/force-warn-group.rs:8:25 + | +LL | pub fn function(_x: Box<SomeTrait>) {} + | ^^^^^^^^^ help: use `dyn`: `dyn SomeTrait` + | + = note: warning forced by `force-warns` commandline option + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! + = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165> + +warning: 1 warning emitted + diff --git a/src/test/ui/lint/lint-ctypes-fn.rs b/src/test/ui/lint/lint-ctypes-fn.rs index e69d0dab496..c18cb881032 100644 --- a/src/test/ui/lint/lint-ctypes-fn.rs +++ b/src/test/ui/lint/lint-ctypes-fn.rs @@ -8,6 +8,8 @@ extern crate libc; use std::default::Default; use std::marker::PhantomData; +trait Trait {} + trait Mirror { type It: ?Sized; } impl<T: ?Sized> Mirror for T { type It = Self; } @@ -74,6 +76,15 @@ pub extern "C" fn box_type(p: Box<u32>) { } pub extern "C" fn opt_box_type(p: Option<Box<u32>>) { } +pub extern "C" fn boxed_slice(p: Box<[u8]>) { } +//~^ ERROR: uses type `Box<[u8]>` + +pub extern "C" fn boxed_string(p: Box<str>) { } +//~^ ERROR: uses type `Box<str>` + +pub extern "C" fn boxed_trait(p: Box<dyn Trait>) { } +//~^ ERROR: uses type `Box<dyn Trait>` + pub extern "C" fn char_type(p: char) { } //~^ ERROR uses type `char` diff --git a/src/test/ui/lint/lint-ctypes-fn.stderr b/src/test/ui/lint/lint-ctypes-fn.stderr index e6a0778ddb2..d591d4ad292 100644 --- a/src/test/ui/lint/lint-ctypes-fn.stderr +++ b/src/test/ui/lint/lint-ctypes-fn.stderr @@ -1,5 +1,5 @@ error: `extern` fn uses type `[u32]`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:67:33 + --> $DIR/lint-ctypes-fn.rs:69:33 | LL | pub extern "C" fn slice_type(p: &[u32]) { } | ^^^^^^ not FFI-safe @@ -13,7 +13,7 @@ LL | #![deny(improper_ctypes_definitions)] = note: slices have no C equivalent error: `extern` fn uses type `str`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:70:31 + --> $DIR/lint-ctypes-fn.rs:72:31 | LL | pub extern "C" fn str_type(p: &str) { } | ^^^^ not FFI-safe @@ -21,8 +21,32 @@ LL | pub extern "C" fn str_type(p: &str) { } = help: consider using `*const u8` and a length instead = note: string slices have no C equivalent +error: `extern` fn uses type `Box<[u8]>`, which is not FFI-safe + --> $DIR/lint-ctypes-fn.rs:79:34 + | +LL | pub extern "C" fn boxed_slice(p: Box<[u8]>) { } + | ^^^^^^^^^ not FFI-safe + | + = note: box cannot be represented as a single pointer + +error: `extern` fn uses type `Box<str>`, which is not FFI-safe + --> $DIR/lint-ctypes-fn.rs:82:35 + | +LL | pub extern "C" fn boxed_string(p: Box<str>) { } + | ^^^^^^^^ not FFI-safe + | + = note: box cannot be represented as a single pointer + +error: `extern` fn uses type `Box<dyn Trait>`, which is not FFI-safe + --> $DIR/lint-ctypes-fn.rs:85:34 + | +LL | pub extern "C" fn boxed_trait(p: Box<dyn Trait>) { } + | ^^^^^^^^^^^^^^ not FFI-safe + | + = note: box cannot be represented as a single pointer + error: `extern` fn uses type `char`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:77:32 + --> $DIR/lint-ctypes-fn.rs:88:32 | LL | pub extern "C" fn char_type(p: char) { } | ^^^^ not FFI-safe @@ -31,7 +55,7 @@ LL | pub extern "C" fn char_type(p: char) { } = note: the `char` type has no C equivalent error: `extern` fn uses type `i128`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:80:32 + --> $DIR/lint-ctypes-fn.rs:91:32 | LL | pub extern "C" fn i128_type(p: i128) { } | ^^^^ not FFI-safe @@ -39,7 +63,7 @@ LL | pub extern "C" fn i128_type(p: i128) { } = note: 128-bit integers don't currently have a known stable ABI error: `extern` fn uses type `u128`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:83:32 + --> $DIR/lint-ctypes-fn.rs:94:32 | LL | pub extern "C" fn u128_type(p: u128) { } | ^^^^ not FFI-safe @@ -47,7 +71,7 @@ LL | pub extern "C" fn u128_type(p: u128) { } = note: 128-bit integers don't currently have a known stable ABI error: `extern` fn uses type `(i32, i32)`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:86:33 + --> $DIR/lint-ctypes-fn.rs:97:33 | LL | pub extern "C" fn tuple_type(p: (i32, i32)) { } | ^^^^^^^^^^ not FFI-safe @@ -56,7 +80,7 @@ LL | pub extern "C" fn tuple_type(p: (i32, i32)) { } = note: tuples have unspecified layout error: `extern` fn uses type `(i32, i32)`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:89:34 + --> $DIR/lint-ctypes-fn.rs:100:34 | LL | pub extern "C" fn tuple_type2(p: I32Pair) { } | ^^^^^^^ not FFI-safe @@ -65,7 +89,7 @@ LL | pub extern "C" fn tuple_type2(p: I32Pair) { } = note: tuples have unspecified layout error: `extern` fn uses type `ZeroSize`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:92:32 + --> $DIR/lint-ctypes-fn.rs:103:32 | LL | pub extern "C" fn zero_size(p: ZeroSize) { } | ^^^^^^^^ not FFI-safe @@ -73,26 +97,26 @@ LL | pub extern "C" fn zero_size(p: ZeroSize) { } = help: consider adding a member to this struct = note: this struct has no fields note: the type is defined here - --> $DIR/lint-ctypes-fn.rs:26:1 + --> $DIR/lint-ctypes-fn.rs:28:1 | LL | pub struct ZeroSize; | ^^^^^^^^^^^^^^^^^^^^ error: `extern` fn uses type `ZeroSizeWithPhantomData`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:95:40 + --> $DIR/lint-ctypes-fn.rs:106:40 | LL | pub extern "C" fn zero_size_phantom(p: ZeroSizeWithPhantomData) { } | ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe | = note: composed only of `PhantomData` note: the type is defined here - --> $DIR/lint-ctypes-fn.rs:61:1 + --> $DIR/lint-ctypes-fn.rs:63:1 | LL | pub struct ZeroSizeWithPhantomData(PhantomData<i32>); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `extern` fn uses type `PhantomData<bool>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:98:51 + --> $DIR/lint-ctypes-fn.rs:109:51 | LL | pub extern "C" fn zero_size_phantom_toplevel() -> PhantomData<bool> { | ^^^^^^^^^^^^^^^^^ not FFI-safe @@ -100,7 +124,7 @@ LL | pub extern "C" fn zero_size_phantom_toplevel() -> PhantomData<bool> { = note: composed only of `PhantomData` error: `extern` fn uses type `fn()`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:103:30 + --> $DIR/lint-ctypes-fn.rs:114:30 | LL | pub extern "C" fn fn_type(p: RustFn) { } | ^^^^^^ not FFI-safe @@ -109,7 +133,7 @@ LL | pub extern "C" fn fn_type(p: RustFn) { } = note: this function pointer has Rust-specific calling convention error: `extern` fn uses type `fn()`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:106:31 + --> $DIR/lint-ctypes-fn.rs:117:31 | LL | pub extern "C" fn fn_type2(p: fn()) { } | ^^^^ not FFI-safe @@ -118,7 +142,7 @@ LL | pub extern "C" fn fn_type2(p: fn()) { } = note: this function pointer has Rust-specific calling convention error: `extern` fn uses type `i128`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:111:39 + --> $DIR/lint-ctypes-fn.rs:122:39 | LL | pub extern "C" fn transparent_i128(p: TransparentI128) { } | ^^^^^^^^^^^^^^^ not FFI-safe @@ -126,7 +150,7 @@ LL | pub extern "C" fn transparent_i128(p: TransparentI128) { } = note: 128-bit integers don't currently have a known stable ABI error: `extern` fn uses type `str`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:114:38 + --> $DIR/lint-ctypes-fn.rs:125:38 | LL | pub extern "C" fn transparent_str(p: TransparentStr) { } | ^^^^^^^^^^^^^^ not FFI-safe @@ -135,7 +159,7 @@ LL | pub extern "C" fn transparent_str(p: TransparentStr) { } = note: string slices have no C equivalent error: `extern` fn uses type `PhantomData<bool>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:160:43 + --> $DIR/lint-ctypes-fn.rs:171:43 | LL | pub extern "C" fn unused_generic2<T>() -> PhantomData<bool> { | ^^^^^^^^^^^^^^^^^ not FFI-safe @@ -143,7 +167,7 @@ LL | pub extern "C" fn unused_generic2<T>() -> PhantomData<bool> { = note: composed only of `PhantomData` error: `extern` fn uses type `Vec<T>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:173:39 + --> $DIR/lint-ctypes-fn.rs:184:39 | LL | pub extern "C" fn used_generic4<T>(x: Vec<T>) { } | ^^^^^^ not FFI-safe @@ -152,7 +176,7 @@ LL | pub extern "C" fn used_generic4<T>(x: Vec<T>) { } = note: this struct has unspecified layout error: `extern` fn uses type `Vec<T>`, which is not FFI-safe - --> $DIR/lint-ctypes-fn.rs:176:41 + --> $DIR/lint-ctypes-fn.rs:187:41 | LL | pub extern "C" fn used_generic5<T>() -> Vec<T> { | ^^^^^^ not FFI-safe @@ -160,5 +184,5 @@ LL | pub extern "C" fn used_generic5<T>() -> Vec<T> { = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct = note: this struct has unspecified layout -error: aborting due to 17 previous errors +error: aborting due to 20 previous errors diff --git a/src/test/ui/lto-duplicate-symbols.stderr b/src/test/ui/lto-duplicate-symbols.stderr index 891cda8016c..713b79bae32 100644 --- a/src/test/ui/lto-duplicate-symbols.stderr +++ b/src/test/ui/lto-duplicate-symbols.stderr @@ -1,6 +1,6 @@ warning: Linking globals named 'foo': symbol multiply defined! -error: failed to load bc of "lto-duplicate-symbols2.lto_duplicate_symbols2.288b404e693a75b4-cgu.0.rcgu.o": +error: failed to load bc of "lto-duplicate-symbols2.lto_duplicate_symbols2.3a1fbbbh-cgu.0.rcgu.o": error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/macros/local-ambiguity-multiple-parsing-options.stderr b/src/test/ui/macros/local-ambiguity-multiple-parsing-options.stderr index 0ae56c42221..68b278fd3c8 100644 --- a/src/test/ui/macros/local-ambiguity-multiple-parsing-options.stderr +++ b/src/test/ui/macros/local-ambiguity-multiple-parsing-options.stderr @@ -1,10 +1,10 @@ -error: local ambiguity: multiple parsing options: built-in NTs ident ('i') or ident ('j'). +error: local ambiguity when calling macro `ambiguity`: multiple parsing options: built-in NTs ident ('i') or ident ('j'). --> $DIR/local-ambiguity-multiple-parsing-options.rs:7:12 | LL | ambiguity!(error); | ^^^^^ -error: local ambiguity: multiple parsing options: built-in NTs ident ('i') or ident ('j'). +error: local ambiguity when calling macro `ambiguity`: multiple parsing options: built-in NTs ident ('i') or ident ('j'). --> $DIR/local-ambiguity-multiple-parsing-options.rs:8:12 | LL | ambiguity!(error); diff --git a/src/test/ui/manual/manual-link-unsupported-kind.rs b/src/test/ui/manual/manual-link-unsupported-kind.rs new file mode 100644 index 00000000000..34814db593f --- /dev/null +++ b/src/test/ui/manual/manual-link-unsupported-kind.rs @@ -0,0 +1,5 @@ +// compile-flags:-l raw-dylib=foo +// error-pattern: unknown library kind `raw-dylib`, expected one of dylib, framework, or static + +fn main() { +} diff --git a/src/test/ui/manual/manual-link-unsupported-kind.stderr b/src/test/ui/manual/manual-link-unsupported-kind.stderr new file mode 100644 index 00000000000..acb4463cb04 --- /dev/null +++ b/src/test/ui/manual/manual-link-unsupported-kind.stderr @@ -0,0 +1,2 @@ +error: unknown library kind `raw-dylib`, expected one of dylib, framework, or static + diff --git a/src/test/ui/match/match-ref-mut-invariance.nll.stderr b/src/test/ui/match/match-ref-mut-invariance.nll.stderr index 1658efa28bf..1dc29d2088c 100644 --- a/src/test/ui/match/match-ref-mut-invariance.nll.stderr +++ b/src/test/ui/match/match-ref-mut-invariance.nll.stderr @@ -9,6 +9,9 @@ LL | match self.0 { ref mut x => x } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable reference to &i32 + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: aborting due to previous error diff --git a/src/test/ui/match/match-ref-mut-let-invariance.nll.stderr b/src/test/ui/match/match-ref-mut-let-invariance.nll.stderr index dc227a36566..8b87c3da28b 100644 --- a/src/test/ui/match/match-ref-mut-let-invariance.nll.stderr +++ b/src/test/ui/match/match-ref-mut-let-invariance.nll.stderr @@ -10,6 +10,9 @@ LL | x | ^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable reference to &i32 + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: aborting due to previous error diff --git a/src/test/ui/nll/type-check-pointer-coercions.stderr b/src/test/ui/nll/type-check-pointer-coercions.stderr index 39fd98f7151..ccb3d33ac40 100644 --- a/src/test/ui/nll/type-check-pointer-coercions.stderr +++ b/src/test/ui/nll/type-check-pointer-coercions.stderr @@ -34,6 +34,9 @@ LL | x | ^ function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable pointer to &i32 + = note: mutable pointers are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: lifetime may not live long enough --> $DIR/type-check-pointer-coercions.rs:13:5 @@ -47,6 +50,9 @@ LL | x | ^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable pointer to &i32 + = note: mutable pointers are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance help: `'b` and `'a` must be the same: replace one with the other diff --git a/src/test/ui/nll/type-check-pointer-comparisons.stderr b/src/test/ui/nll/type-check-pointer-comparisons.stderr index f350b861eb6..b488af820b8 100644 --- a/src/test/ui/nll/type-check-pointer-comparisons.stderr +++ b/src/test/ui/nll/type-check-pointer-comparisons.stderr @@ -9,6 +9,9 @@ LL | x == y; | ^ requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable reference to &i32 + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: lifetime may not live long enough --> $DIR/type-check-pointer-comparisons.rs:6:10 @@ -21,6 +24,9 @@ LL | x == y; | ^ requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable reference to &i32 + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance help: `'a` and `'b` must be the same: replace one with the other @@ -35,6 +41,9 @@ LL | x == y; | ^ requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable pointer to &i32 + = note: mutable pointers are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: lifetime may not live long enough --> $DIR/type-check-pointer-comparisons.rs:12:10 @@ -47,6 +56,9 @@ LL | x == y; | ^ requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable pointer to &i32 + = note: mutable pointers are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance help: `'a` and `'b` must be the same: replace one with the other @@ -61,6 +73,9 @@ LL | f == g; | ^ requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable reference to &i32 + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: lifetime may not live long enough --> $DIR/type-check-pointer-comparisons.rs:18:10 @@ -73,6 +88,9 @@ LL | f == g; | ^ requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable reference to &i32 + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance help: `'a` and `'b` must be the same: replace one with the other diff --git a/src/test/ui/panics/panic-macro-any-wrapped.rs b/src/test/ui/panics/panic-macro-any-wrapped.rs index 95ae6ffe8be..100ac10c767 100644 --- a/src/test/ui/panics/panic-macro-any-wrapped.rs +++ b/src/test/ui/panics/panic-macro-any-wrapped.rs @@ -1,5 +1,5 @@ // run-fail -// error-pattern:panicked at 'Box<Any>' +// error-pattern:panicked at 'Box<dyn Any>' // ignore-emscripten no processes #![allow(non_fmt_panic)] diff --git a/src/test/ui/panics/panic-macro-any.rs b/src/test/ui/panics/panic-macro-any.rs index d2a7ba3713a..a5ba30220e8 100644 --- a/src/test/ui/panics/panic-macro-any.rs +++ b/src/test/ui/panics/panic-macro-any.rs @@ -1,5 +1,5 @@ // run-fail -// error-pattern:panicked at 'Box<Any>' +// error-pattern:panicked at 'Box<dyn Any>' // ignore-emscripten no processes #![feature(box_syntax)] diff --git a/src/test/ui/parser/issue-84104.rs b/src/test/ui/parser/issue-84104.rs new file mode 100644 index 00000000000..998949b94a4 --- /dev/null +++ b/src/test/ui/parser/issue-84104.rs @@ -0,0 +1,3 @@ +// error-pattern: this file contains an unclosed delimiter +// error-pattern: expected one of +#[i=i::<ښܖ< diff --git a/src/test/ui/parser/issue-84104.stderr b/src/test/ui/parser/issue-84104.stderr new file mode 100644 index 00000000000..aff31f2c971 --- /dev/null +++ b/src/test/ui/parser/issue-84104.stderr @@ -0,0 +1,16 @@ +error: this file contains an unclosed delimiter + --> $DIR/issue-84104.rs:3:13 + | +LL | #[i=i::<ښܖ< + | - ^ + | | + | unclosed delimiter + +error: expected one of `>`, a const expression, lifetime, or type, found `]` + --> $DIR/issue-84104.rs:3:13 + | +LL | #[i=i::<ښܖ< + | ^ expected one of `>`, a const expression, lifetime, or type + +error: aborting due to 2 previous errors + diff --git a/src/test/ui/parser/issue-84148-1.rs b/src/test/ui/parser/issue-84148-1.rs new file mode 100644 index 00000000000..25f7ba4d1f8 --- /dev/null +++ b/src/test/ui/parser/issue-84148-1.rs @@ -0,0 +1,4 @@ +fn f(t:for<>t?) +//~^ ERROR: expected parameter name +//~| ERROR: expected one of +//~| ERROR: expected one of diff --git a/src/test/ui/parser/issue-84148-1.stderr b/src/test/ui/parser/issue-84148-1.stderr new file mode 100644 index 00000000000..98506568d82 --- /dev/null +++ b/src/test/ui/parser/issue-84148-1.stderr @@ -0,0 +1,23 @@ +error: expected parameter name, found `?` + --> $DIR/issue-84148-1.rs:1:14 + | +LL | fn f(t:for<>t?) + | ^ expected parameter name + +error: expected one of `(`, `)`, `+`, `,`, `::`, or `<`, found `?` + --> $DIR/issue-84148-1.rs:1:14 + | +LL | fn f(t:for<>t?) + | ^ + | | + | expected one of `(`, `)`, `+`, `,`, `::`, or `<` + | help: missing `,` + +error: expected one of `->`, `;`, `where`, or `{`, found `<eof>` + --> $DIR/issue-84148-1.rs:1:15 + | +LL | fn f(t:for<>t?) + | ^ expected one of `->`, `;`, `where`, or `{` + +error: aborting due to 3 previous errors + diff --git a/src/test/ui/parser/issue-84148-2.rs b/src/test/ui/parser/issue-84148-2.rs new file mode 100644 index 00000000000..257a3fd6720 --- /dev/null +++ b/src/test/ui/parser/issue-84148-2.rs @@ -0,0 +1,4 @@ +// error-pattern: this file contains an unclosed delimiter +// error-pattern: expected parameter name +// error-pattern: expected one of +fn f(t:for<>t? diff --git a/src/test/ui/parser/issue-84148-2.stderr b/src/test/ui/parser/issue-84148-2.stderr new file mode 100644 index 00000000000..6f314da4360 --- /dev/null +++ b/src/test/ui/parser/issue-84148-2.stderr @@ -0,0 +1,31 @@ +error: this file contains an unclosed delimiter + --> $DIR/issue-84148-2.rs:4:16 + | +LL | fn f(t:for<>t? + | - ^ + | | + | unclosed delimiter + +error: expected parameter name, found `?` + --> $DIR/issue-84148-2.rs:4:14 + | +LL | fn f(t:for<>t? + | ^ expected parameter name + +error: expected one of `(`, `)`, `+`, `,`, `::`, or `<`, found `?` + --> $DIR/issue-84148-2.rs:4:14 + | +LL | fn f(t:for<>t? + | ^ + | | + | expected one of `(`, `)`, `+`, `,`, `::`, or `<` + | help: missing `,` + +error: expected one of `->`, `;`, `where`, or `{`, found `<eof>` + --> $DIR/issue-84148-2.rs:4:16 + | +LL | fn f(t:for<>t? + | ^ expected one of `->`, `;`, `where`, or `{` + +error: aborting due to 4 previous errors + diff --git a/src/test/ui/parser/unmatched-langle-1.rs b/src/test/ui/parser/unmatched-langle-1.rs new file mode 100644 index 00000000000..fdf2ae39801 --- /dev/null +++ b/src/test/ui/parser/unmatched-langle-1.rs @@ -0,0 +1,9 @@ +// Check that a suggestion is issued if there are too many `<`s in a +// generic argument list, and that the parser recovers properly. + +fn main() { + foo::<<<<Ty<i32>>(); + //~^ ERROR: unmatched angle brackets + //~| ERROR: cannot find function `foo` in this scope [E0425] + //~| ERROR: cannot find type `Ty` in this scope [E0412] +} diff --git a/src/test/ui/parser/unmatched-langle-1.stderr b/src/test/ui/parser/unmatched-langle-1.stderr new file mode 100644 index 00000000000..c8072b4c59a --- /dev/null +++ b/src/test/ui/parser/unmatched-langle-1.stderr @@ -0,0 +1,22 @@ +error: unmatched angle brackets + --> $DIR/unmatched-langle-1.rs:5:10 + | +LL | foo::<<<<Ty<i32>>(); + | ^^^ help: remove extra angle brackets + +error[E0425]: cannot find function `foo` in this scope + --> $DIR/unmatched-langle-1.rs:5:5 + | +LL | foo::<<<<Ty<i32>>(); + | ^^^ not found in this scope + +error[E0412]: cannot find type `Ty` in this scope + --> $DIR/unmatched-langle-1.rs:5:14 + | +LL | foo::<<<<Ty<i32>>(); + | ^^ not found in this scope + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0412, E0425. +For more information about an error, try `rustc --explain E0412`. diff --git a/src/test/ui/parser/unmatched-langle-2.rs b/src/test/ui/parser/unmatched-langle-2.rs new file mode 100644 index 00000000000..8de0d7d89e4 --- /dev/null +++ b/src/test/ui/parser/unmatched-langle-2.rs @@ -0,0 +1,15 @@ +// When there are too many opening `<`s, the compiler would previously +// suggest nonsense if the `<`s were interspersed with other tokens: +// +// error: unmatched angle brackets +// --> unmatched-langle.rs:2:10 +// | +// 2 | foo::<Ty<<<i32>(); +// | ^^^ help: remove extra angle brackets +// +// This test makes sure that this is no longer happening. + +fn main() { + foo::<Ty<<<i32>(); + //~^ ERROR: expected `::`, found `(` +} diff --git a/src/test/ui/parser/unmatched-langle-2.stderr b/src/test/ui/parser/unmatched-langle-2.stderr new file mode 100644 index 00000000000..773bb33d8d3 --- /dev/null +++ b/src/test/ui/parser/unmatched-langle-2.stderr @@ -0,0 +1,8 @@ +error: expected `::`, found `(` + --> $DIR/unmatched-langle-2.rs:13:20 + | +LL | foo::<Ty<<<i32>(); + | ^ expected `::` + +error: aborting due to previous error + diff --git a/src/test/ui/prelude2021.rs b/src/test/ui/prelude2021.rs new file mode 100644 index 00000000000..3a9fd693228 --- /dev/null +++ b/src/test/ui/prelude2021.rs @@ -0,0 +1,7 @@ +// check-pass +// edition:2021 +// compile-flags: -Zunstable-options + +fn main() { + let _: u16 = 123i32.try_into().unwrap(); +} diff --git a/src/test/ui/proc-macro/expr-stmt-nonterminal-tokens.rs b/src/test/ui/proc-macro/expr-stmt-nonterminal-tokens.rs new file mode 100644 index 00000000000..d4067a33592 --- /dev/null +++ b/src/test/ui/proc-macro/expr-stmt-nonterminal-tokens.rs @@ -0,0 +1,37 @@ +// check-pass +// aux-build:test-macros.rs + +#![feature(decl_macro)] +#![feature(stmt_expr_attributes)] + +#![no_std] // Don't load unnecessary hygiene information from std +extern crate std; + +#[macro_use] +extern crate test_macros; + +macro mac { + (expr $expr:expr) => { + #[derive(Print)] + enum E { + V = { let _ = $expr; 0 }, + } + }, + (stmt $stmt:stmt) => { + #[derive(Print)] + enum E { + V = { let _ = { $stmt }; 0 }, + } + }, +} + +const PATH: u8 = 2; + +fn main() { + mac!(expr #[allow(warnings)] 0); + mac!(stmt 0); + mac!(stmt {}); + mac!(stmt PATH); + mac!(stmt 0 + 1); + mac!(stmt PATH + 1); +} diff --git a/src/test/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout b/src/test/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout new file mode 100644 index 00000000000..e37a483cb87 --- /dev/null +++ b/src/test/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout @@ -0,0 +1,540 @@ +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] 0 ; 0 }, } +PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = #[allow(warnings)] #[allow(warnings)] 0 ; 0 }, } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: #4 bytes(299..303), + }, + Ident { + ident: "E", + span: #4 bytes(304..305), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "V", + span: #4 bytes(320..321), + }, + Punct { + ch: '=', + spacing: Alone, + span: #4 bytes(322..323), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "let", + span: #4 bytes(326..329), + }, + Ident { + ident: "_", + span: #4 bytes(330..331), + }, + Punct { + ch: '=', + spacing: Alone, + span: #4 bytes(332..333), + }, + Group { + delimiter: None, + stream: TokenStream [ + Punct { + ch: '#', + spacing: Alone, + span: #0 bytes(541..542), + }, + Group { + delimiter: Bracket, + stream: TokenStream [ + Ident { + ident: "allow", + span: #0 bytes(543..548), + }, + Group { + delimiter: Parenthesis, + stream: TokenStream [ + Ident { + ident: "warnings", + span: #0 bytes(549..557), + }, + ], + span: #0 bytes(548..558), + }, + ], + span: #0 bytes(542..559), + }, + Punct { + ch: '#', + spacing: Alone, + span: #0 bytes(541..542), + }, + Group { + delimiter: Bracket, + stream: TokenStream [ + Ident { + ident: "allow", + span: #0 bytes(543..548), + }, + Group { + delimiter: Parenthesis, + stream: TokenStream [ + Ident { + ident: "warnings", + span: #0 bytes(549..557), + }, + ], + span: #0 bytes(548..558), + }, + ], + span: #0 bytes(542..559), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #0 bytes(560..561), + }, + ], + span: #4 bytes(334..339), + }, + Punct { + ch: ';', + spacing: Alone, + span: #4 bytes(339..340), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #4 bytes(341..342), + }, + ], + span: #4 bytes(324..344), + }, + Punct { + ch: ',', + spacing: Alone, + span: #4 bytes(344..345), + }, + ], + span: #4 bytes(306..355), + }, +] +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0; } ; 0 }, } +PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 } ; 0 }, } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: #8 bytes(423..427), + }, + Ident { + ident: "E", + span: #8 bytes(428..429), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "V", + span: #8 bytes(444..445), + }, + Punct { + ch: '=', + spacing: Alone, + span: #8 bytes(446..447), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "let", + span: #8 bytes(450..453), + }, + Ident { + ident: "_", + span: #8 bytes(454..455), + }, + Punct { + ch: '=', + spacing: Alone, + span: #8 bytes(456..457), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Group { + delimiter: None, + stream: TokenStream [ + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #0 bytes(578..579), + }, + ], + span: #8 bytes(460..465), + }, + ], + span: #8 bytes(458..467), + }, + Punct { + ch: ';', + spacing: Alone, + span: #8 bytes(467..468), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #8 bytes(469..470), + }, + ], + span: #8 bytes(448..472), + }, + Punct { + ch: ',', + spacing: Alone, + span: #8 bytes(472..473), + }, + ], + span: #8 bytes(430..483), + }, +] +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { { } } ; 0 }, } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: #12 bytes(423..427), + }, + Ident { + ident: "E", + span: #12 bytes(428..429), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "V", + span: #12 bytes(444..445), + }, + Punct { + ch: '=', + spacing: Alone, + span: #12 bytes(446..447), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "let", + span: #12 bytes(450..453), + }, + Ident { + ident: "_", + span: #12 bytes(454..455), + }, + Punct { + ch: '=', + spacing: Alone, + span: #12 bytes(456..457), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Group { + delimiter: None, + stream: TokenStream [ + Group { + delimiter: Brace, + stream: TokenStream [], + span: #0 bytes(596..598), + }, + ], + span: #12 bytes(460..465), + }, + ], + span: #12 bytes(458..467), + }, + Punct { + ch: ';', + spacing: Alone, + span: #12 bytes(467..468), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #12 bytes(469..470), + }, + ], + span: #12 bytes(448..472), + }, + Punct { + ch: ',', + spacing: Alone, + span: #12 bytes(472..473), + }, + ], + span: #12 bytes(430..483), + }, +] +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH; } ; 0 }, } +PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH } ; 0 }, } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: #16 bytes(423..427), + }, + Ident { + ident: "E", + span: #16 bytes(428..429), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "V", + span: #16 bytes(444..445), + }, + Punct { + ch: '=', + spacing: Alone, + span: #16 bytes(446..447), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "let", + span: #16 bytes(450..453), + }, + Ident { + ident: "_", + span: #16 bytes(454..455), + }, + Punct { + ch: '=', + spacing: Alone, + span: #16 bytes(456..457), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Group { + delimiter: None, + stream: TokenStream [ + Ident { + ident: "PATH", + span: #0 bytes(615..619), + }, + ], + span: #16 bytes(460..465), + }, + ], + span: #16 bytes(458..467), + }, + Punct { + ch: ';', + spacing: Alone, + span: #16 bytes(467..468), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #16 bytes(469..470), + }, + ], + span: #16 bytes(448..472), + }, + Punct { + ch: ',', + spacing: Alone, + span: #16 bytes(472..473), + }, + ], + span: #16 bytes(430..483), + }, +] +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0 + 1; } ; 0 }, } +PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 + 1 } ; 0 }, } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: #20 bytes(423..427), + }, + Ident { + ident: "E", + span: #20 bytes(428..429), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "V", + span: #20 bytes(444..445), + }, + Punct { + ch: '=', + spacing: Alone, + span: #20 bytes(446..447), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "let", + span: #20 bytes(450..453), + }, + Ident { + ident: "_", + span: #20 bytes(454..455), + }, + Punct { + ch: '=', + spacing: Alone, + span: #20 bytes(456..457), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Group { + delimiter: None, + stream: TokenStream [ + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #0 bytes(636..637), + }, + Punct { + ch: '+', + spacing: Alone, + span: #0 bytes(638..639), + }, + Literal { + kind: Integer, + symbol: "1", + suffix: None, + span: #0 bytes(640..641), + }, + ], + span: #20 bytes(460..465), + }, + ], + span: #20 bytes(458..467), + }, + Punct { + ch: ';', + spacing: Alone, + span: #20 bytes(467..468), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #20 bytes(469..470), + }, + ], + span: #20 bytes(448..472), + }, + Punct { + ch: ',', + spacing: Alone, + span: #20 bytes(472..473), + }, + ], + span: #20 bytes(430..483), + }, +] +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH + 1; } ; 0 }, } +PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH + 1 } ; 0 }, } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: #24 bytes(423..427), + }, + Ident { + ident: "E", + span: #24 bytes(428..429), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "V", + span: #24 bytes(444..445), + }, + Punct { + ch: '=', + spacing: Alone, + span: #24 bytes(446..447), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "let", + span: #24 bytes(450..453), + }, + Ident { + ident: "_", + span: #24 bytes(454..455), + }, + Punct { + ch: '=', + spacing: Alone, + span: #24 bytes(456..457), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Group { + delimiter: None, + stream: TokenStream [ + Ident { + ident: "PATH", + span: #0 bytes(658..662), + }, + Punct { + ch: '+', + spacing: Alone, + span: #0 bytes(663..664), + }, + Literal { + kind: Integer, + symbol: "1", + suffix: None, + span: #0 bytes(665..666), + }, + ], + span: #24 bytes(460..465), + }, + ], + span: #24 bytes(458..467), + }, + Punct { + ch: ';', + spacing: Alone, + span: #24 bytes(467..468), + }, + Literal { + kind: Integer, + symbol: "0", + suffix: None, + span: #24 bytes(469..470), + }, + ], + span: #24 bytes(448..472), + }, + Punct { + ch: ',', + spacing: Alone, + span: #24 bytes(472..473), + }, + ], + span: #24 bytes(430..483), + }, +] diff --git a/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.nll.stderr b/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.nll.stderr index 695f5506d5e..4ddea2c27b2 100644 --- a/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.nll.stderr +++ b/src/test/ui/regions/region-lifetime-bounds-on-fns-where-clause.nll.stderr @@ -23,6 +23,9 @@ LL | a(x, y); | ^^^^^^^ argument requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable reference to &isize + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: higher-ranked subtype error --> $DIR/region-lifetime-bounds-on-fns-where-clause.rs:20:12 diff --git a/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.nll.stderr b/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.nll.stderr index a28f7aa3e08..a9cf128bb62 100644 --- a/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.nll.stderr +++ b/src/test/ui/regions/region-multiple-lifetime-bounds-on-fns-where-clause.nll.stderr @@ -23,6 +23,9 @@ LL | a(x, y, z); | ^^^^^^^^^^ argument requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable reference to &isize + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: higher-ranked subtype error --> $DIR/region-multiple-lifetime-bounds-on-fns-where-clause.rs:22:12 diff --git a/src/test/ui/regions/regions-lifetime-bounds-on-fns.nll.stderr b/src/test/ui/regions/regions-lifetime-bounds-on-fns.nll.stderr index 37f7fcf2e33..db86572f1cf 100644 --- a/src/test/ui/regions/regions-lifetime-bounds-on-fns.nll.stderr +++ b/src/test/ui/regions/regions-lifetime-bounds-on-fns.nll.stderr @@ -23,6 +23,9 @@ LL | a(x, y); | ^^^^^^^ argument requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable reference to &isize + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: higher-ranked subtype error --> $DIR/regions-lifetime-bounds-on-fns.rs:20:12 diff --git a/src/test/ui/regions/regions-trait-object-subtyping.nll.stderr b/src/test/ui/regions/regions-trait-object-subtyping.nll.stderr index f92923a1125..bf325d56013 100644 --- a/src/test/ui/regions/regions-trait-object-subtyping.nll.stderr +++ b/src/test/ui/regions/regions-trait-object-subtyping.nll.stderr @@ -10,6 +10,9 @@ LL | x | ^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a mutable reference to dyn Dummy + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: lifetime may not live long enough --> $DIR/regions-trait-object-subtyping.rs:22:5 @@ -23,6 +26,9 @@ LL | x | ^ returning this value requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a mutable reference to dyn Dummy + = note: mutable references are invariant over their type parameter + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance error: aborting due to 2 previous errors diff --git a/src/test/ui/reify-intrinsic.rs b/src/test/ui/reify-intrinsic.rs index 05535b92cca..9eb2f724017 100644 --- a/src/test/ui/reify-intrinsic.rs +++ b/src/test/ui/reify-intrinsic.rs @@ -1,6 +1,6 @@ // check-fail -#![feature(intrinsics)] +#![feature(core_intrinsics, intrinsics)] fn a() { let _: unsafe extern "rust-intrinsic" fn(isize) -> usize = std::mem::transmute; @@ -14,8 +14,8 @@ fn b() { fn c() { let _ = [ - std::intrinsics::copy_nonoverlapping::<i32>, - std::intrinsics::copy::<i32>, + std::intrinsics::likely, + std::intrinsics::unlikely, //~^ ERROR cannot coerce ]; } diff --git a/src/test/ui/reify-intrinsic.stderr b/src/test/ui/reify-intrinsic.stderr index 5d82fdbd311..69c11b5c56f 100644 --- a/src/test/ui/reify-intrinsic.stderr +++ b/src/test/ui/reify-intrinsic.stderr @@ -22,11 +22,11 @@ LL | let _ = std::mem::transmute as unsafe extern "rust-intrinsic" fn(isize) error[E0308]: cannot coerce intrinsics to function pointers --> $DIR/reify-intrinsic.rs:18:9 | -LL | std::intrinsics::copy::<i32>, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot coerce intrinsics to function pointers +LL | std::intrinsics::unlikely, + | ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot coerce intrinsics to function pointers | - = note: expected type `unsafe extern "rust-intrinsic" fn(_, _, _) {copy_nonoverlapping::<i32>}` - found fn item `unsafe extern "rust-intrinsic" fn(_, _, _) {std::intrinsics::copy::<i32>}` + = note: expected type `extern "rust-intrinsic" fn(_) -> _ {likely}` + found fn item `extern "rust-intrinsic" fn(_) -> _ {unlikely}` error: aborting due to 3 previous errors diff --git a/src/test/ui/rfc-2627-raw-dylib/raw-dylib-msvc-only.rs b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-msvc-only.rs new file mode 100644 index 00000000000..e9690f03f45 --- /dev/null +++ b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-msvc-only.rs @@ -0,0 +1,8 @@ +// only-windows-gnu +// check-pass +// compile-flags: --crate-type lib +#![feature(raw_dylib)] +//~^ WARNING: the feature `raw_dylib` is incomplete +#[link(name = "foo", kind = "raw-dylib")] +//~^ WARNING: `#[link(...)]` with `kind = "raw-dylib"` not supported on windows-gnu +extern "C" {} diff --git a/src/test/ui/rfc-2627-raw-dylib/raw-dylib-msvc-only.stderr b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-msvc-only.stderr new file mode 100644 index 00000000000..6e24112b3c3 --- /dev/null +++ b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-msvc-only.stderr @@ -0,0 +1,17 @@ +warning: the feature `raw_dylib` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/raw-dylib-msvc-only.rs:4:12 + | +LL | #![feature(raw_dylib)] + | ^^^^^^^^^ + | + = note: `#[warn(incomplete_features)]` on by default + = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information + +warning: `#[link(...)]` with `kind = "raw-dylib"` not supported on windows-gnu + --> $DIR/raw-dylib-msvc-only.rs:6:1 + | +LL | #[link(name = "foo", kind = "raw-dylib")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 2 warnings emitted + diff --git a/src/test/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs new file mode 100644 index 00000000000..7a5d7ac2934 --- /dev/null +++ b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.rs @@ -0,0 +1,7 @@ +// ignore-windows +// compile-flags: --crate-type lib +#![feature(raw_dylib)] +//~^ WARNING: the feature `raw_dylib` is incomplete +#[link(name = "foo", kind = "raw-dylib")] +//~^ ERROR: `#[link(...)]` with `kind = "raw-dylib"` only supported on Windows +extern "C" {} diff --git a/src/test/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr new file mode 100644 index 00000000000..f3879b63f91 --- /dev/null +++ b/src/test/ui/rfc-2627-raw-dylib/raw-dylib-windows-only.stderr @@ -0,0 +1,17 @@ +warning: the feature `raw_dylib` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/raw-dylib-windows-only.rs:3:12 + | +LL | #![feature(raw_dylib)] + | ^^^^^^^^^ + | + = note: `#[warn(incomplete_features)]` on by default + = note: see issue #58713 <https://github.com/rust-lang/rust/issues/58713> for more information + +error: `#[link(...)]` with `kind = "raw-dylib"` only supported on Windows + --> $DIR/raw-dylib-windows-only.rs:5:1 + | +LL | #[link(name = "foo", kind = "raw-dylib")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error; 1 warning emitted + diff --git a/src/test/ui/rustdoc/deny-invalid-doc-attrs.rs b/src/test/ui/rustdoc/deny-invalid-doc-attrs.rs new file mode 100644 index 00000000000..02e9c67915f --- /dev/null +++ b/src/test/ui/rustdoc/deny-invalid-doc-attrs.rs @@ -0,0 +1,7 @@ +#![deny(invalid_doc_attributes)] +//~^ NOTE defined here +#![doc(x)] +//~^ ERROR unknown `doc` attribute `x` +//~| WARNING will become a hard error +//~| NOTE see issue #82730 +fn main() {} diff --git a/src/test/ui/rustdoc/deny-invalid-doc-attrs.stderr b/src/test/ui/rustdoc/deny-invalid-doc-attrs.stderr new file mode 100644 index 00000000000..a14ab8fe4bc --- /dev/null +++ b/src/test/ui/rustdoc/deny-invalid-doc-attrs.stderr @@ -0,0 +1,16 @@ +error: unknown `doc` attribute `x` + --> $DIR/deny-invalid-doc-attrs.rs:3:8 + | +LL | #![doc(x)] + | ^ + | +note: the lint level is defined here + --> $DIR/deny-invalid-doc-attrs.rs:1:9 + | +LL | #![deny(invalid_doc_attributes)] + | ^^^^^^^^^^^^^^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730> + +error: aborting due to previous error + diff --git a/src/test/ui/rustdoc/doc-inline-extern-crate.rs b/src/test/ui/rustdoc/doc-inline-extern-crate.rs new file mode 100644 index 00000000000..0eb4c149060 --- /dev/null +++ b/src/test/ui/rustdoc/doc-inline-extern-crate.rs @@ -0,0 +1,9 @@ +#[doc(inline)] +//~^ ERROR conflicting +#[doc(no_inline)] +pub extern crate core; + +// no warning +pub extern crate alloc; + +fn main() {} diff --git a/src/test/ui/rustdoc/doc-inline-extern-crate.stderr b/src/test/ui/rustdoc/doc-inline-extern-crate.stderr new file mode 100644 index 00000000000..41518295b12 --- /dev/null +++ b/src/test/ui/rustdoc/doc-inline-extern-crate.stderr @@ -0,0 +1,13 @@ +error: conflicting doc inlining attributes + --> $DIR/doc-inline-extern-crate.rs:1:7 + | +LL | #[doc(inline)] + | ^^^^^^ this attribute... +LL | +LL | #[doc(no_inline)] + | ^^^^^^^^^ ...conflicts with this attribute + | + = help: remove one of the conflicting attributes + +error: aborting due to previous error + diff --git a/src/test/ui/simd/issue-85915-simd-ptrs.rs b/src/test/ui/simd/issue-85915-simd-ptrs.rs new file mode 100644 index 00000000000..6fe415545f8 --- /dev/null +++ b/src/test/ui/simd/issue-85915-simd-ptrs.rs @@ -0,0 +1,67 @@ +// run-pass +// ignore-emscripten + +// Short form of the generic gather/scatter tests, +// verifying simd([*const T; N]) and simd([*mut T; N]) pass typeck and work. +#![feature(repr_simd, platform_intrinsics)] +#![allow(non_camel_case_types)] + +#[repr(simd)] +#[derive(Copy, Clone, PartialEq, Debug)] +struct cptrx4<T>([*const T; 4]); + +#[repr(simd)] +#[derive(Copy, Clone, PartialEq, Debug)] +struct mptrx4<T>([*mut T; 4]); + +#[repr(simd)] +#[derive(Copy, Clone, PartialEq, Debug)] +struct f32x4([f32; 4]); + +#[repr(simd)] +#[derive(Copy, Clone, PartialEq, Debug)] +struct i32x4([i32; 4]); + +extern "platform-intrinsic" { + fn simd_gather<T, U, V>(x: T, y: U, z: V) -> T; + fn simd_scatter<T, U, V>(x: T, y: U, z: V) -> (); +} + +fn main() { + let mut x = [0_f32, 1., 2., 3., 4., 5., 6., 7.]; + + let default = f32x4([-3_f32, -3., -3., -3.]); + let s_strided = f32x4([0_f32, 2., -3., 6.]); + let mask = i32x4([-1_i32, -1, 0, -1]); + + // reading from *const + unsafe { + let pointer = &x as *const f32; + let pointers = cptrx4([ + pointer.offset(0) as *const f32, + pointer.offset(2), + pointer.offset(4), + pointer.offset(6) + ]); + + let r_strided = simd_gather(default, pointers, mask); + + assert_eq!(r_strided, s_strided); + } + + // writing to *mut + unsafe { + let pointer = &mut x as *mut f32; + let pointers = mptrx4([ + pointer.offset(0) as *mut f32, + pointer.offset(2), + pointer.offset(4), + pointer.offset(6) + ]); + + let values = f32x4([42_f32, 43_f32, 44_f32, 45_f32]); + simd_scatter(values, pointers, mask); + + assert_eq!(x, [42., 1., 43., 3., 4., 5., 45., 7.]); + } +} diff --git a/src/test/ui/simd/simd-type-generic-monomorphisation-extern-nonnull-ptr.rs b/src/test/ui/simd/simd-type-generic-monomorphisation-extern-nonnull-ptr.rs new file mode 100644 index 00000000000..ae321c974b9 --- /dev/null +++ b/src/test/ui/simd/simd-type-generic-monomorphisation-extern-nonnull-ptr.rs @@ -0,0 +1,23 @@ +// run-pass +// ignore-emscripten + +#![feature(extern_types)] +#![feature(repr_simd)] + +use std::ptr::NonNull; + +extern { + type Extern; +} + +#[repr(simd)] +struct S<T>(T); + +#[inline(never)] +fn identity<T>(v: T) -> T { + v +} + +fn main() { + let _v: S<[Option<NonNull<Extern>>; 4]> = identity(S([None; 4])); +} diff --git a/src/test/ui/simd/simd-type-generic-monomorphisation-wide-ptr.rs b/src/test/ui/simd/simd-type-generic-monomorphisation-wide-ptr.rs new file mode 100644 index 00000000000..3e02b08ce5d --- /dev/null +++ b/src/test/ui/simd/simd-type-generic-monomorphisation-wide-ptr.rs @@ -0,0 +1,12 @@ +// build-fail + +#![feature(repr_simd)] + +// error-pattern:monomorphising SIMD type `S<[*mut [u8]; 4]>` with a non-primitive-scalar (integer/float/pointer) element type `*mut [u8]` + +#[repr(simd)] +struct S<T>(T); + +fn main() { + let _v: Option<S<[*mut [u8]; 4]>> = None; +} diff --git a/src/test/ui/simd/simd-type-generic-monomorphisation-wide-ptr.stderr b/src/test/ui/simd/simd-type-generic-monomorphisation-wide-ptr.stderr new file mode 100644 index 00000000000..3888e7a0f38 --- /dev/null +++ b/src/test/ui/simd/simd-type-generic-monomorphisation-wide-ptr.stderr @@ -0,0 +1,4 @@ +error: monomorphising SIMD type `S<[*mut [u8]; 4]>` with a non-primitive-scalar (integer/float/pointer) element type `*mut [u8]` + +error: aborting due to previous error + diff --git a/src/test/ui/simd/simd-type-wide-ptr.rs b/src/test/ui/simd/simd-type-wide-ptr.rs new file mode 100644 index 00000000000..88f62a07ea0 --- /dev/null +++ b/src/test/ui/simd/simd-type-wide-ptr.rs @@ -0,0 +1,12 @@ +// build-fail + +#![feature(repr_simd)] + +// error-pattern:monomorphising SIMD type `S` with a non-primitive-scalar (integer/float/pointer) element type `*mut [u8]` + +#[repr(simd)] +struct S([*mut [u8]; 4]); + +fn main() { + let _v: Option<S> = None; +} diff --git a/src/test/ui/simd/simd-type-wide-ptr.stderr b/src/test/ui/simd/simd-type-wide-ptr.stderr new file mode 100644 index 00000000000..51d3c005072 --- /dev/null +++ b/src/test/ui/simd/simd-type-wide-ptr.stderr @@ -0,0 +1,4 @@ +error: monomorphising SIMD type `S` with a non-primitive-scalar (integer/float/pointer) element type `*mut [u8]` + +error: aborting due to previous error + diff --git a/src/test/ui/simd/wasm-simd-indirect.rs b/src/test/ui/simd/wasm-simd-indirect.rs new file mode 100644 index 00000000000..deac593df43 --- /dev/null +++ b/src/test/ui/simd/wasm-simd-indirect.rs @@ -0,0 +1,33 @@ +// build-pass + +#![cfg_attr(target_arch = "wasm32", feature(wasm_simd, wasm_target_feature))] + +#[cfg(target_arch = "wasm32")] +fn main() { + unsafe { + a::api_with_simd_feature(); + } +} + +#[cfg(target_arch = "wasm32")] +mod a { + use std::arch::wasm32::*; + + #[target_feature(enable = "simd128")] + pub unsafe fn api_with_simd_feature() { + crate::b::api_takes_v128(u64x2(0, 1)); + } +} + +#[cfg(target_arch = "wasm32")] +mod b { + use std::arch::wasm32::*; + + #[inline(never)] + pub fn api_takes_v128(a: v128) -> v128 { + a + } +} + +#[cfg(not(target_arch = "wasm32"))] +fn main() {} diff --git a/src/test/ui/single-use-lifetime/one-use-in-fn-argument-in-band.stderr b/src/test/ui/single-use-lifetime/one-use-in-fn-argument-in-band.stderr index b251e8a438a..723c4a7a1fb 100644 --- a/src/test/ui/single-use-lifetime/one-use-in-fn-argument-in-band.stderr +++ b/src/test/ui/single-use-lifetime/one-use-in-fn-argument-in-band.stderr @@ -1,11 +1,11 @@ -error: lifetime parameter `'a` only used once - --> $DIR/one-use-in-fn-argument-in-band.rs:11:10 +error: lifetime parameter `'b` only used once + --> $DIR/one-use-in-fn-argument-in-band.rs:11:22 | LL | fn a(x: &'a u32, y: &'b u32) { - | ^^- - | | - | this lifetime is only used here - | help: elide the single-use lifetime + | ^^- + | | + | this lifetime is only used here + | help: elide the single-use lifetime | note: the lint level is defined here --> $DIR/one-use-in-fn-argument-in-band.rs:4:9 @@ -13,14 +13,14 @@ note: the lint level is defined here LL | #![deny(single_use_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^ -error: lifetime parameter `'b` only used once - --> $DIR/one-use-in-fn-argument-in-band.rs:11:22 +error: lifetime parameter `'a` only used once + --> $DIR/one-use-in-fn-argument-in-band.rs:11:10 | LL | fn a(x: &'a u32, y: &'b u32) { - | ^^- - | | - | this lifetime is only used here - | help: elide the single-use lifetime + | ^^- + | | + | this lifetime is only used here + | help: elide the single-use lifetime error: aborting due to 2 previous errors diff --git a/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr b/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr index d2eea15f398..fa59d7a0313 100644 --- a/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr +++ b/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr @@ -1,4 +1,4 @@ -error: cannot specialize on `Binder(ProjectionPredicate(ProjectionTy { substs: [V], item_def_id: DefId(0:6 ~ repeated_projection_type[b09c]::Id::This) }, (I,)), [])` +error: cannot specialize on `Binder(ProjectionPredicate(ProjectionTy { substs: [V], item_def_id: DefId(0:6 ~ repeated_projection_type[317d]::Id::This) }, (I,)), [])` --> $DIR/repeated_projection_type.rs:19:1 | LL | / impl<I, V: Id<This = (I,)>> X for V { diff --git a/src/test/ui/suggestions/auxiliary/proc-macro-type-error.rs b/src/test/ui/suggestions/auxiliary/proc-macro-type-error.rs new file mode 100644 index 00000000000..d71747f9687 --- /dev/null +++ b/src/test/ui/suggestions/auxiliary/proc-macro-type-error.rs @@ -0,0 +1,18 @@ +// force-host +// no-prefer-dynamic +#![crate_type = "proc-macro"] +#![feature(proc_macro_quote)] + +extern crate proc_macro; + +use proc_macro::{quote, TokenStream}; + +#[proc_macro_attribute] +pub fn hello(_: TokenStream, _: TokenStream) -> TokenStream { + quote!( + fn f(_: &mut i32) {} + fn g() { + f(123); + } + ) +} diff --git a/src/test/ui/suggestions/format-borrow.rs b/src/test/ui/suggestions/format-borrow.rs index 63930e7f787..599a79fc08a 100644 --- a/src/test/ui/suggestions/format-borrow.rs +++ b/src/test/ui/suggestions/format-borrow.rs @@ -3,4 +3,8 @@ fn main() { //~^ ERROR mismatched types let b: String = &format!("b"); //~^ ERROR mismatched types + let c: String = &mut format!("c"); + //~^ ERROR mismatched types + let d: String = &mut (format!("d")); + //~^ ERROR mismatched types } diff --git a/src/test/ui/suggestions/format-borrow.stderr b/src/test/ui/suggestions/format-borrow.stderr index 05d8fcd3ed6..0881b024712 100644 --- a/src/test/ui/suggestions/format-borrow.stderr +++ b/src/test/ui/suggestions/format-borrow.stderr @@ -18,6 +18,26 @@ LL | let b: String = &format!("b"); | | help: consider removing the borrow: `format!("b")` | expected due to this -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/format-borrow.rs:6:21 + | +LL | let c: String = &mut format!("c"); + | ------ ^^^^^^^^^^^^^^^^^ + | | | + | | expected struct `String`, found `&mut String` + | | help: consider removing the borrow: `format!("c")` + | expected due to this + +error[E0308]: mismatched types + --> $DIR/format-borrow.rs:8:21 + | +LL | let d: String = &mut (format!("d")); + | ------ ^^^^^^^^^^^^^^^^^^^ + | | | + | | expected struct `String`, found `&mut String` + | | help: consider removing the borrow: `format!("d")` + | expected due to this + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs b/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs new file mode 100644 index 00000000000..390d8bbdd53 --- /dev/null +++ b/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs @@ -0,0 +1,9 @@ +// Regression test for #85943: should not emit suggestions for adding +// indirection to type parameters in where-clauses when suggesting +// adding `?Sized`. +struct A<T>(T) where T: Send; +struct B(A<[u8]>); +//~^ ERROR the size for values of type + +pub fn main() { +} diff --git a/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr b/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr new file mode 100644 index 00000000000..735aeb0e0e7 --- /dev/null +++ b/src/test/ui/suggestions/issue-85943-no-suggest-unsized-indirection-in-where-clause.stderr @@ -0,0 +1,20 @@ +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs:5:10 + | +LL | struct A<T>(T) where T: Send; + | - required by this bound in `A` +LL | struct B(A<[u8]>); + | ^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` +help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>` + --> $DIR/issue-85943-no-suggest-unsized-indirection-in-where-clause.rs:4:10 + | +LL | struct A<T>(T) where T: Send; + | ^ - ...if indirection were used here: `Box<T>` + | | + | this could be changed to `T: ?Sized`... + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/suggestions/suggest-ref-macro.rs b/src/test/ui/suggestions/suggest-ref-macro.rs new file mode 100644 index 00000000000..6f780f32a14 --- /dev/null +++ b/src/test/ui/suggestions/suggest-ref-macro.rs @@ -0,0 +1,29 @@ +// run-check +// aux-build:proc-macro-type-error.rs + +extern crate proc_macro_type_error; + +use proc_macro_type_error::hello; + +#[hello] //~ERROR mismatched types +fn abc() {} + +fn x(_: &mut i32) {} + +macro_rules! bla { + () => { + x(123); + //~^ ERROR mismatched types + //~| SUGGESTION &mut 123 + }; + ($v:expr) => { + x($v) + } +} + +fn main() { + bla!(); + bla!(456); + //~^ ERROR mismatched types + //~| SUGGESTION &mut 456 +} diff --git a/src/test/ui/suggestions/suggest-ref-macro.stderr b/src/test/ui/suggestions/suggest-ref-macro.stderr new file mode 100644 index 00000000000..147001f0c94 --- /dev/null +++ b/src/test/ui/suggestions/suggest-ref-macro.stderr @@ -0,0 +1,34 @@ +error[E0308]: mismatched types + --> $DIR/suggest-ref-macro.rs:8:1 + | +LL | #[hello] + | ^^^^^^^^ expected `&mut i32`, found integer + | + = note: this error originates in the attribute macro `hello` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0308]: mismatched types + --> $DIR/suggest-ref-macro.rs:15:11 + | +LL | x(123); + | ^^^ + | | + | expected `&mut i32`, found integer + | help: consider mutably borrowing here: `&mut 123` +... +LL | bla!(); + | ------- in this macro invocation + | + = note: this error originates in the macro `bla` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0308]: mismatched types + --> $DIR/suggest-ref-macro.rs:26:10 + | +LL | bla!(456); + | ^^^ + | | + | expected `&mut i32`, found integer + | help: consider mutably borrowing here: `&mut 456` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/symbol-names/basic.legacy.stderr b/src/test/ui/symbol-names/basic.legacy.stderr index de4d35e261c..3dd2b19fbf9 100644 --- a/src/test/ui/symbol-names/basic.legacy.stderr +++ b/src/test/ui/symbol-names/basic.legacy.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_ZN5basic4main17hd75b915511563828E) +error: symbol-name(_ZN5basic4main17h6c535bbea2051f85E) --> $DIR/basic.rs:8:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(basic::main::hd75b915511563828) +error: demangling(basic::main::h6c535bbea2051f85) --> $DIR/basic.rs:8:1 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/basic.rs b/src/test/ui/symbol-names/basic.rs index d871a4ee829..bd107c10207 100644 --- a/src/test/ui/symbol-names/basic.rs +++ b/src/test/ui/symbol-names/basic.rs @@ -9,8 +9,8 @@ //[legacy]~^ ERROR symbol-name(_ZN5basic4main //[legacy]~| ERROR demangling(basic::main //[legacy]~| ERROR demangling-alt(basic::main) - //[v0]~^^^^ ERROR symbol-name(_RNvCsj6j3mjPNGKx_5basic4main) - //[v0]~| ERROR demangling(basic[de7d5b6b69c71f37]::main) + //[v0]~^^^^ ERROR symbol-name(_RNvCs21hi0yVfW1J_5basic4main) + //[v0]~| ERROR demangling(basic[17891616a171812d]::main) //[v0]~| ERROR demangling-alt(basic::main) #[rustc_def_path] //[legacy]~^ ERROR def-path(main) diff --git a/src/test/ui/symbol-names/basic.v0.stderr b/src/test/ui/symbol-names/basic.v0.stderr index e30fa6f66d5..519efc9d7b4 100644 --- a/src/test/ui/symbol-names/basic.v0.stderr +++ b/src/test/ui/symbol-names/basic.v0.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_RNvCsj6j3mjPNGKx_5basic4main) +error: symbol-name(_RNvCs21hi0yVfW1J_5basic4main) --> $DIR/basic.rs:8:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(basic[de7d5b6b69c71f37]::main) +error: demangling(basic[17891616a171812d]::main) --> $DIR/basic.rs:8:1 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/const-generics-demangling.rs b/src/test/ui/symbol-names/const-generics-demangling.rs index 05c6b8352de..bd7e1c0f336 100644 --- a/src/test/ui/symbol-names/const-generics-demangling.rs +++ b/src/test/ui/symbol-names/const-generics-demangling.rs @@ -5,32 +5,32 @@ pub struct Unsigned<const F: u8>; #[rustc_symbol_name] -//~^ ERROR symbol-name(_RMCsaP8qXevlYG3_25const_generics_demanglingINtB0_8UnsignedKhb_E) -//~| ERROR demangling(<const_generics_demangling[7e153590edc26969]::Unsigned<11: u8>>) +//~^ ERROR symbol-name(_RMCs21hi0yVfW1J_25const_generics_demanglingINtB0_8UnsignedKhb_E) +//~| ERROR demangling(<const_generics_demangling[17891616a171812d]::Unsigned<11: u8>>) //~| ERROR demangling-alt(<const_generics_demangling::Unsigned<11>>) impl Unsigned<11> {} pub struct Signed<const F: i16>; #[rustc_symbol_name] -//~^ ERROR symbol-name(_RMs_CsaP8qXevlYG3_25const_generics_demanglingINtB2_6SignedKsn98_E) -//~| ERROR demangling(<const_generics_demangling[7e153590edc26969]::Signed<-152: i16>>) +//~^ ERROR symbol-name(_RMs_Cs21hi0yVfW1J_25const_generics_demanglingINtB2_6SignedKsn98_E) +//~| ERROR demangling(<const_generics_demangling[17891616a171812d]::Signed<-152: i16>>) //~| ERROR demangling-alt(<const_generics_demangling::Signed<-152>>) impl Signed<-152> {} pub struct Bool<const F: bool>; #[rustc_symbol_name] -//~^ ERROR symbol-name(_RMs0_CsaP8qXevlYG3_25const_generics_demanglingINtB3_4BoolKb1_E) -//~| ERROR demangling(<const_generics_demangling[7e153590edc26969]::Bool<true: bool>>) +//~^ ERROR symbol-name(_RMs0_Cs21hi0yVfW1J_25const_generics_demanglingINtB3_4BoolKb1_E) +//~| ERROR demangling(<const_generics_demangling[17891616a171812d]::Bool<true: bool>>) //~| ERROR demangling-alt(<const_generics_demangling::Bool<true>>) impl Bool<true> {} pub struct Char<const F: char>; #[rustc_symbol_name] -//~^ ERROR symbol-name(_RMs1_CsaP8qXevlYG3_25const_generics_demanglingINtB3_4CharKc2202_E) -//~| ERROR demangling(<const_generics_demangling[7e153590edc26969]::Char<'∂': char>>) +//~^ ERROR symbol-name(_RMs1_Cs21hi0yVfW1J_25const_generics_demanglingINtB3_4CharKc2202_E) +//~| ERROR demangling(<const_generics_demangling[17891616a171812d]::Char<'∂': char>>) //~| ERROR demangling-alt(<const_generics_demangling::Char<'∂'>>) impl Char<'∂'> {} diff --git a/src/test/ui/symbol-names/const-generics-demangling.stderr b/src/test/ui/symbol-names/const-generics-demangling.stderr index 05c485d001f..13995403f77 100644 --- a/src/test/ui/symbol-names/const-generics-demangling.stderr +++ b/src/test/ui/symbol-names/const-generics-demangling.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_RMCsaP8qXevlYG3_25const_generics_demanglingINtB0_8UnsignedKhb_E) +error: symbol-name(_RMCs21hi0yVfW1J_25const_generics_demanglingINtB0_8UnsignedKhb_E) --> $DIR/const-generics-demangling.rs:7:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<const_generics_demangling[7e153590edc26969]::Unsigned<11: u8>>) +error: demangling(<const_generics_demangling[17891616a171812d]::Unsigned<11: u8>>) --> $DIR/const-generics-demangling.rs:7:1 | LL | #[rustc_symbol_name] @@ -16,13 +16,13 @@ error: demangling-alt(<const_generics_demangling::Unsigned<11>>) LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: symbol-name(_RMs_CsaP8qXevlYG3_25const_generics_demanglingINtB2_6SignedKsn98_E) +error: symbol-name(_RMs_Cs21hi0yVfW1J_25const_generics_demanglingINtB2_6SignedKsn98_E) --> $DIR/const-generics-demangling.rs:15:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<const_generics_demangling[7e153590edc26969]::Signed<-152: i16>>) +error: demangling(<const_generics_demangling[17891616a171812d]::Signed<-152: i16>>) --> $DIR/const-generics-demangling.rs:15:1 | LL | #[rustc_symbol_name] @@ -34,13 +34,13 @@ error: demangling-alt(<const_generics_demangling::Signed<-152>>) LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: symbol-name(_RMs0_CsaP8qXevlYG3_25const_generics_demanglingINtB3_4BoolKb1_E) +error: symbol-name(_RMs0_Cs21hi0yVfW1J_25const_generics_demanglingINtB3_4BoolKb1_E) --> $DIR/const-generics-demangling.rs:23:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<const_generics_demangling[7e153590edc26969]::Bool<true: bool>>) +error: demangling(<const_generics_demangling[17891616a171812d]::Bool<true: bool>>) --> $DIR/const-generics-demangling.rs:23:1 | LL | #[rustc_symbol_name] @@ -52,13 +52,13 @@ error: demangling-alt(<const_generics_demangling::Bool<true>>) LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: symbol-name(_RMs1_CsaP8qXevlYG3_25const_generics_demanglingINtB3_4CharKc2202_E) +error: symbol-name(_RMs1_Cs21hi0yVfW1J_25const_generics_demanglingINtB3_4CharKc2202_E) --> $DIR/const-generics-demangling.rs:31:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<const_generics_demangling[7e153590edc26969]::Char<'∂': char>>) +error: demangling(<const_generics_demangling[17891616a171812d]::Char<'∂': char>>) --> $DIR/const-generics-demangling.rs:31:1 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/impl1.rs b/src/test/ui/symbol-names/impl1.rs index 960049be793..b0b31a57d06 100644 --- a/src/test/ui/symbol-names/impl1.rs +++ b/src/test/ui/symbol-names/impl1.rs @@ -15,8 +15,8 @@ mod foo { //[legacy]~^ ERROR symbol-name(_ZN5impl13foo3Foo3bar //[legacy]~| ERROR demangling(impl1::foo::Foo::bar //[legacy]~| ERROR demangling-alt(impl1::foo::Foo::bar) - //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs2qSCrjELJET_5impl13fooNtB2_3Foo3bar) - //[v0]~| ERROR demangling(<impl1[1c5860ab79c9e305]::foo::Foo>::bar) + //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13fooNtB2_3Foo3bar) + //[v0]~| ERROR demangling(<impl1[17891616a171812d]::foo::Foo>::bar) //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::bar) #[rustc_def_path] //[legacy]~^ ERROR def-path(foo::Foo::bar) @@ -33,8 +33,8 @@ mod bar { //[legacy]~^ ERROR symbol-name(_ZN5impl13bar33_$LT$impl$u20$impl1..foo..Foo$GT$3baz //[legacy]~| ERROR demangling(impl1::bar::<impl impl1::foo::Foo>::baz //[legacy]~| ERROR demangling-alt(impl1::bar::<impl impl1::foo::Foo>::baz) - //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs2qSCrjELJET_5impl13barNtNtB4_3foo3Foo3baz) - //[v0]~| ERROR demangling(<impl1[1c5860ab79c9e305]::foo::Foo>::baz) + //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13barNtNtB4_3foo3Foo3baz) + //[v0]~| ERROR demangling(<impl1[17891616a171812d]::foo::Foo>::baz) //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::baz) #[rustc_def_path] //[legacy]~^ ERROR def-path(bar::<impl foo::Foo>::baz) @@ -63,8 +63,8 @@ fn main() { //[legacy]~^ ERROR symbol-name(_ZN209_$LT$$u5b$$RF$dyn$u20$impl1..Foo$u2b$Assoc$u20$$u3d$$u20$extern$u20$$u22$C$u22$$u20$fn$LP$$RF$u8$C$$u20$...$RP$$u2b$impl1..AutoTrait$u3b$$u20$3$u5d$$u20$as$u20$impl1..main..$u7b$$u7b$closure$u7d$$u7d$..Bar$GT$6method //[legacy]~| ERROR demangling(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method //[legacy]~| ERROR demangling-alt(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method) - //[v0]~^^^^ ERROR symbol-name(_RNvXNCNvCs2qSCrjELJET_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method) - //[v0]~| ERROR demangling(<[&dyn impl1[1c5860ab79c9e305]::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1[1c5860ab79c9e305]::AutoTrait; 3: usize] as impl1[1c5860ab79c9e305]::main::{closure#1}::Bar>::method) + //[v0]~^^^^ ERROR symbol-name(_RNvXNCNvCs21hi0yVfW1J_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method) + //[v0]~| ERROR demangling(<[&dyn impl1[17891616a171812d]::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1[17891616a171812d]::AutoTrait; 3: usize] as impl1[17891616a171812d]::main::{closure#1}::Bar>::method) //[v0]~| ERROR demangling-alt(<[&dyn impl1::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1::AutoTrait; 3] as impl1::main::{closure#1}::Bar>::method) #[rustc_def_path] //[legacy]~^ ERROR def-path(<[&dyn Foo<Assoc = for<'r> extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method) diff --git a/src/test/ui/symbol-names/impl1.v0.stderr b/src/test/ui/symbol-names/impl1.v0.stderr index a7c3a389909..e5b0deee36e 100644 --- a/src/test/ui/symbol-names/impl1.v0.stderr +++ b/src/test/ui/symbol-names/impl1.v0.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_RNvMNtCs2qSCrjELJET_5impl13fooNtB2_3Foo3bar) +error: symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13fooNtB2_3Foo3bar) --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<impl1[1c5860ab79c9e305]::foo::Foo>::bar) +error: demangling(<impl1[17891616a171812d]::foo::Foo>::bar) --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] @@ -22,13 +22,13 @@ error: def-path(foo::Foo::bar) LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ -error: symbol-name(_RNvMNtCs2qSCrjELJET_5impl13barNtNtB4_3foo3Foo3baz) +error: symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13barNtNtB4_3foo3Foo3baz) --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<impl1[1c5860ab79c9e305]::foo::Foo>::baz) +error: demangling(<impl1[17891616a171812d]::foo::Foo>::baz) --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] @@ -46,13 +46,13 @@ error: def-path(bar::<impl foo::Foo>::baz) LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ -error: symbol-name(_RNvXNCNvCs2qSCrjELJET_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method) +error: symbol-name(_RNvXNCNvCs21hi0yVfW1J_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method) --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<[&dyn impl1[1c5860ab79c9e305]::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1[1c5860ab79c9e305]::AutoTrait; 3: usize] as impl1[1c5860ab79c9e305]::main::{closure#1}::Bar>::method) +error: demangling(<[&dyn impl1[17891616a171812d]::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1[17891616a171812d]::AutoTrait; 3: usize] as impl1[17891616a171812d]::main::{closure#1}::Bar>::method) --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/issue-60925.legacy.stderr b/src/test/ui/symbol-names/issue-60925.legacy.stderr index 52d0c666398..83576783992 100644 --- a/src/test/ui/symbol-names/issue-60925.legacy.stderr +++ b/src/test/ui/symbol-names/issue-60925.legacy.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17h18eaa05e22e59176E) +error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17h6244e5288326926aE) --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo::h18eaa05e22e59176) +error: demangling(issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo::h6244e5288326926a) --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/issue-60925.rs b/src/test/ui/symbol-names/issue-60925.rs index a313c1ef383..3238eb1e579 100644 --- a/src/test/ui/symbol-names/issue-60925.rs +++ b/src/test/ui/symbol-names/issue-60925.rs @@ -22,8 +22,8 @@ mod foo { //[legacy]~^ ERROR symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo //[legacy]~| ERROR demangling(issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo //[legacy]~| ERROR demangling-alt(issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo) - //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs8dUWfuENynB_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo) - //[v0]~| ERROR demangling(<issue_60925[5fcbb46c6fac4139]::foo::Foo<issue_60925[5fcbb46c6fac4139]::llvm::Foo>>::foo) + //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs21hi0yVfW1J_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo) + //[v0]~| ERROR demangling(<issue_60925[17891616a171812d]::foo::Foo<issue_60925[17891616a171812d]::llvm::Foo>>::foo) //[v0]~| ERROR demangling-alt(<issue_60925::foo::Foo<issue_60925::llvm::Foo>>::foo) pub(crate) fn foo() { for _ in 0..0 { diff --git a/src/test/ui/symbol-names/issue-60925.v0.stderr b/src/test/ui/symbol-names/issue-60925.v0.stderr index 5d99abff59a..6a5885e1ea3 100644 --- a/src/test/ui/symbol-names/issue-60925.v0.stderr +++ b/src/test/ui/symbol-names/issue-60925.v0.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_RNvMNtCs8dUWfuENynB_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo) +error: symbol-name(_RNvMNtCs21hi0yVfW1J_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo) --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<issue_60925[5fcbb46c6fac4139]::foo::Foo<issue_60925[5fcbb46c6fac4139]::llvm::Foo>>::foo) +error: demangling(<issue_60925[17891616a171812d]::foo::Foo<issue_60925[17891616a171812d]::llvm::Foo>>::foo) --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/issue-75326.rs b/src/test/ui/symbol-names/issue-75326.rs index 0f721fc1f89..4d061cafef3 100644 --- a/src/test/ui/symbol-names/issue-75326.rs +++ b/src/test/ui/symbol-names/issue-75326.rs @@ -42,8 +42,8 @@ where //[legacy]~^ ERROR symbol-name(_ZN72_$LT$issue_75326..Foo$LT$I$C$E$GT$$u20$as$u20$issue_75326..Iterator2$GT$4next //[legacy]~| ERROR demangling(<issue_75326::Foo<I,E> as issue_75326::Iterator2>::next //[legacy]~| ERROR demangling-alt(<issue_75326::Foo<I,E> as issue_75326::Iterator2>::next) - //[v0]~^^^^ ERROR symbol-name(_RNvXINICsiMBouZZ1iuD_11issue_75326s_0pppEINtB5_3FooppENtB5_9Iterator24nextB5_) - //[v0]~| ERROR demangling(<issue_75326[dac9b7624645f95d]::Foo<_, _> as issue_75326[dac9b7624645f95d]::Iterator2>::next) + //[v0]~^^^^ ERROR symbol-name(_RNvXINICs21hi0yVfW1J_11issue_75326s_0pppEINtB5_3FooppENtB5_9Iterator24nextB5_) + //[v0]~| ERROR demangling(<issue_75326[17891616a171812d]::Foo<_, _> as issue_75326[17891616a171812d]::Iterator2>::next) //[v0]~| ERROR demangling-alt(<issue_75326::Foo<_, _> as issue_75326::Iterator2>::next) fn next(&mut self) -> Option<Self::Item> { self.find(|_| true) diff --git a/src/test/ui/symbol-names/issue-75326.v0.stderr b/src/test/ui/symbol-names/issue-75326.v0.stderr index 093ba8c8576..98844aafb65 100644 --- a/src/test/ui/symbol-names/issue-75326.v0.stderr +++ b/src/test/ui/symbol-names/issue-75326.v0.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_RNvXINICsiMBouZZ1iuD_11issue_75326s_0pppEINtB5_3FooppENtB5_9Iterator24nextB5_) +error: symbol-name(_RNvXINICs21hi0yVfW1J_11issue_75326s_0pppEINtB5_3FooppENtB5_9Iterator24nextB5_) --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<issue_75326[dac9b7624645f95d]::Foo<_, _> as issue_75326[dac9b7624645f95d]::Iterator2>::next) +error: demangling(<issue_75326[17891616a171812d]::Foo<_, _> as issue_75326[17891616a171812d]::Iterator2>::next) --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/trait-objects.v0.stderr b/src/test/ui/symbol-names/trait-objects.v0.stderr index 5ada82dfb2d..2b09318f06c 100644 --- a/src/test/ui/symbol-names/trait-objects.v0.stderr +++ b/src/test/ui/symbol-names/trait-objects.v0.stderr @@ -4,7 +4,7 @@ error: symbol-name(_RNvXCRATE_HASH13trait_objectsRDG_INtNtNtCRATE_HASH4core3ops8 LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> as trait_objects[3f8b57f879016e18]::Bar>::method) +error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> as trait_objects[17891616a171812d]::Bar>::method) --> $DIR/trait-objects.rs:16:5 | LL | #[rustc_symbol_name] @@ -22,7 +22,7 @@ error: symbol-name(_RNvXs_CRATE_HASH13trait_objectsRDG_INtNtNtCRATE_HASH4core3op LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> + core[HASH]::marker::Send as trait_objects[3f8b57f879016e18]::Foo>::method) +error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> + core[HASH]::marker::Send as trait_objects[17891616a171812d]::Foo>::method) --> $DIR/trait-objects.rs:28:5 | LL | #[rustc_symbol_name] @@ -40,7 +40,7 @@ error: symbol-name(_RNvXs0_CRATE_HASH13trait_objectsRDG_INtNtNtCRATE_HASH4core3o LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> + core[HASH]::marker::Send as trait_objects[3f8b57f879016e18]::Baz>::method) +error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> + core[HASH]::marker::Send as trait_objects[17891616a171812d]::Baz>::method) --> $DIR/trait-objects.rs:40:5 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/target-feature/gate.rs b/src/test/ui/target-feature/gate.rs index 164830fecee..7cdf404242d 100644 --- a/src/test/ui/target-feature/gate.rs +++ b/src/test/ui/target-feature/gate.rs @@ -27,6 +27,7 @@ // gate-test-f16c_target_feature // gate-test-riscv_target_feature // gate-test-ermsb_target_feature +// gate-test-bpf_target_feature #[target_feature(enable = "avx512bw")] //~^ ERROR: currently unstable diff --git a/src/test/ui/target-feature/gate.stderr b/src/test/ui/target-feature/gate.stderr index 2d6abcc0a01..ee542b60a26 100644 --- a/src/test/ui/target-feature/gate.stderr +++ b/src/test/ui/target-feature/gate.stderr @@ -1,5 +1,5 @@ error[E0658]: the target feature `avx512bw` is currently unstable - --> $DIR/gate.rs:31:18 + --> $DIR/gate.rs:32:18 | LL | #[target_feature(enable = "avx512bw")] | ^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/target-feature/wasm-safe.rs b/src/test/ui/target-feature/wasm-safe.rs new file mode 100644 index 00000000000..4b868684a52 --- /dev/null +++ b/src/test/ui/target-feature/wasm-safe.rs @@ -0,0 +1,44 @@ +// only-wasm32 +// check-pass + +#![feature(wasm_target_feature)] +#![allow(dead_code)] + +#[target_feature(enable = "nontrapping-fptoint")] +fn foo() {} + +#[target_feature(enable = "nontrapping-fptoint")] +extern "C" fn bar() {} + +trait A { + fn foo(); + fn bar(&self); +} + +struct B; + +impl B { + #[target_feature(enable = "nontrapping-fptoint")] + fn foo() {} + #[target_feature(enable = "nontrapping-fptoint")] + fn bar(&self) {} +} + +impl A for B { + #[target_feature(enable = "nontrapping-fptoint")] + fn foo() {} + #[target_feature(enable = "nontrapping-fptoint")] + fn bar(&self) {} +} + +fn no_features_enabled_on_this_function() { + bar(); + foo(); + B.bar(); + B::foo(); + <B as A>::foo(); + <B as A>::bar(&B); +} + +#[target_feature(enable = "nontrapping-fptoint")] +fn main() {} diff --git a/src/test/ui/test-attrs/test-type.rs b/src/test/ui/test-attrs/test-type.rs new file mode 100644 index 00000000000..3f0fa81373f --- /dev/null +++ b/src/test/ui/test-attrs/test-type.rs @@ -0,0 +1,28 @@ +// compile-flags: --test +// run-flags: --test-threads=1 +// check-run-results +// normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" +// ignore-emscripten no threads support +// run-pass + + +#[test] +fn test_ok() { + let _a = true; +} + +#[test] +#[should_panic] +fn test_panic() { + panic!(); +} + +#[test] +#[ignore] +fn test_no_run() { + loop{ + println!("Hello, world"); + } +} + +fn main() {} diff --git a/src/test/ui/test-attrs/test-type.run.stdout b/src/test/ui/test-attrs/test-type.run.stdout new file mode 100644 index 00000000000..be2fd8ae68c --- /dev/null +++ b/src/test/ui/test-attrs/test-type.run.stdout @@ -0,0 +1,8 @@ + +running 3 tests +test test_no_run ... ignored +test test_ok ... ok +test test_panic - should panic ... ok + +test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in $TIME + diff --git a/src/test/ui/test-panic-abort-nocapture.run.stdout b/src/test/ui/test-panic-abort-nocapture.run.stdout index 15b19676a7c..8a91732a754 100644 --- a/src/test/ui/test-panic-abort-nocapture.run.stdout +++ b/src/test/ui/test-panic-abort-nocapture.run.stdout @@ -2,7 +2,7 @@ running 4 tests test it_fails ... about to fail FAILED -test it_panics ... about to panic +test it_panics - should panic ... about to panic ok test it_works ... about to succeed ok diff --git a/src/test/ui/test-panic-abort.run.stdout b/src/test/ui/test-panic-abort.run.stdout index 467f834afec..f608a8cdc55 100644 --- a/src/test/ui/test-panic-abort.run.stdout +++ b/src/test/ui/test-panic-abort.run.stdout @@ -2,7 +2,7 @@ running 5 tests test it_exits ... FAILED test it_fails ... FAILED -test it_panics ... ok +test it_panics - should panic ... ok test it_works ... ok test no_residual_environment ... ok diff --git a/src/test/ui/thread-local-static.rs b/src/test/ui/thread-local-static.rs new file mode 100644 index 00000000000..dc542fe2db9 --- /dev/null +++ b/src/test/ui/thread-local-static.rs @@ -0,0 +1,17 @@ +// edition:2018 + +#![feature(thread_local)] +#![feature(const_swap)] +#[thread_local] +static mut STATIC_VAR_2: [u32; 8] = [4; 8]; +const fn g(x: &mut [u32; 8]) { + //~^ ERROR mutable references are not allowed + std::mem::swap(x, &mut STATIC_VAR_2) + //~^ ERROR thread-local statics cannot be accessed + //~| ERROR mutable references are not allowed + //~| ERROR use of mutable static is unsafe + //~| constant functions cannot refer to statics + //~| ERROR calls in constant functions are limited to constant functions +} + +fn main() {} diff --git a/src/test/ui/thread-local-static.stderr b/src/test/ui/thread-local-static.stderr new file mode 100644 index 00000000000..a213282eb85 --- /dev/null +++ b/src/test/ui/thread-local-static.stderr @@ -0,0 +1,50 @@ +error[E0658]: mutable references are not allowed in constant functions + --> $DIR/thread-local-static.rs:7:12 + | +LL | const fn g(x: &mut [u32; 8]) { + | ^ + | + = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information + = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable + +error[E0625]: thread-local statics cannot be accessed at compile-time + --> $DIR/thread-local-static.rs:9:28 + | +LL | std::mem::swap(x, &mut STATIC_VAR_2) + | ^^^^^^^^^^^^ + +error[E0013]: constant functions cannot refer to statics + --> $DIR/thread-local-static.rs:9:28 + | +LL | std::mem::swap(x, &mut STATIC_VAR_2) + | ^^^^^^^^^^^^ + | + = help: consider extracting the value of the `static` to a `const`, and referring to that + +error[E0658]: mutable references are not allowed in constant functions + --> $DIR/thread-local-static.rs:9:23 + | +LL | std::mem::swap(x, &mut STATIC_VAR_2) + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information + = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable + +error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants + --> $DIR/thread-local-static.rs:9:5 + | +LL | std::mem::swap(x, &mut STATIC_VAR_2) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error[E0133]: use of mutable static is unsafe and requires unsafe function or block + --> $DIR/thread-local-static.rs:9:23 + | +LL | std::mem::swap(x, &mut STATIC_VAR_2) + | ^^^^^^^^^^^^^^^^^ use of mutable static + | + = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior + +error: aborting due to 6 previous errors + +Some errors have detailed explanations: E0013, E0015, E0133, E0658. +For more information about an error, try `rustc --explain E0013`. diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-pass.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-pass.rs new file mode 100644 index 00000000000..ecad910f7d5 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn-pass.rs @@ -0,0 +1,12 @@ +// check-pass +#![feature(min_type_alias_impl_trait)] + +type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; + +fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { + (a.clone(), a) +} + +fn main() { + println!("{}", <X<_, _> as ToString>::to_string(&f(42_i32, String::new()).1)); +} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs new file mode 100644 index 00000000000..67351e20159 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.rs @@ -0,0 +1,16 @@ +// https://github.com/rust-lang/rust/issues/73481 +// This test used to cause unsoundness, since one of the two possible +// resolutions was chosen at random instead of erroring due to conflicts. + +#![feature(min_type_alias_impl_trait)] + +type X<A, B> = impl Into<&'static A>; +//~^ ERROR the trait bound `&'static B: From<&A>` is not satisfied + +fn f<A, B: 'static>(a: &'static A, b: B) -> (X<A, B>, X<B, A>) { + (a, a) +} + +fn main() { + println!("{}", <X<_, _> as Into<&String>>::into(f(&[1isize, 2, 3], String::new()).1)); +} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.stderr new file mode 100644 index 00000000000..731c6e2788d --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn.stderr @@ -0,0 +1,15 @@ +error[E0277]: the trait bound `&'static B: From<&A>` is not satisfied + --> $DIR/multiple-def-uses-in-one-fn.rs:7:16 + | +LL | type X<A, B> = impl Into<&'static A>; + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From<&A>` is not implemented for `&'static B` + | + = note: required because of the requirements on the impl of `Into<&'static B>` for `&A` +help: consider introducing a `where` bound, but there might be an alternative better way to express this requirement + | +LL | fn f<A, B: 'static>(a: &'static A, b: B) -> (X<A, B>, X<B, A>) where &'static B: From<&A> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.rs new file mode 100644 index 00000000000..38aa18fe40e --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.rs @@ -0,0 +1,16 @@ +// https://github.com/rust-lang/rust/issues/73481 +// This test used to cause unsoundness, since one of the two possible +// resolutions was chosen at random instead of erroring due to conflicts. + +#![feature(min_type_alias_impl_trait)] + +type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; +//~^ ERROR could not find defining uses + +fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<B, A>) { + (a.clone(), a) +} + +fn main() { + println!("{}", <X<_, _> as ToString>::to_string(&f(42_i32, String::new()).1)); +} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.stderr new file mode 100644 index 00000000000..c00973c0761 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn2.stderr @@ -0,0 +1,8 @@ +error: could not find defining uses + --> $DIR/multiple-def-uses-in-one-fn2.rs:7:52 + | +LL | type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; + | ^^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs new file mode 100644 index 00000000000..17e90005811 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.rs @@ -0,0 +1,18 @@ +// https://github.com/rust-lang/rust/issues/73481 +// This test used to cause unsoundness, since one of the two possible +// resolutions was chosen at random instead of erroring due to conflicts. + +#![feature(min_type_alias_impl_trait)] + +type X<A: ToString + Clone, B: ToString + Clone> = impl ToString; + +fn f<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<B, A>) { + (a, b) +} + +fn g<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { + (a, b) + //~^ ERROR mismatched types +} + +fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.stderr b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.stderr new file mode 100644 index 00000000000..bbe709dccab --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/multiple-def-uses-in-one-fn3.stderr @@ -0,0 +1,18 @@ +error[E0308]: mismatched types + --> $DIR/multiple-def-uses-in-one-fn3.rs:14:9 + | +LL | fn g<A: ToString + Clone, B: ToString + Clone>(a: A, b: B) -> (X<A, B>, X<A, B>) { + | - - found type parameter + | | + | expected type parameter +LL | (a, b) + | ^ expected type parameter `A`, found type parameter `B` + | + = note: expected type parameter `A` + found type parameter `B` + = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound + = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/typeck/typeck_type_placeholder_item.full_tait.stderr b/src/test/ui/typeck/typeck_type_placeholder_item.full_tait.stderr index 75e4cb3e2d8..bd7cbd444d7 100644 --- a/src/test/ui/typeck/typeck_type_placeholder_item.full_tait.stderr +++ b/src/test/ui/typeck/typeck_type_placeholder_item.full_tait.stderr @@ -79,7 +79,7 @@ LL | static TEST3: _ = "test"; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `&str` + | help: replace with the correct type: `&str` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:19:15 @@ -88,7 +88,7 @@ LL | static TEST4: _ = 145; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:22:15 @@ -210,7 +210,7 @@ LL | static B: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:80:15 @@ -244,7 +244,7 @@ LL | static FN_TEST3: _ = "test"; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `&str` + | help: replace with the correct type: `&str` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:92:22 @@ -253,7 +253,7 @@ LL | static FN_TEST4: _ = 145; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:95:22 @@ -435,7 +435,7 @@ LL | const _: Option<_> = map(value); | ^^^^^^^^^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `Option<u8>` + | help: replace with the correct type: `Option<u8>` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:144:31 @@ -526,7 +526,7 @@ LL | const D: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:201:26 @@ -639,7 +639,7 @@ LL | const D: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error: aborting due to 69 previous errors; 1 warning emitted diff --git a/src/test/ui/typeck/typeck_type_placeholder_item.min_tait.stderr b/src/test/ui/typeck/typeck_type_placeholder_item.min_tait.stderr index c6758c52a91..afd6aaf4e55 100644 --- a/src/test/ui/typeck/typeck_type_placeholder_item.min_tait.stderr +++ b/src/test/ui/typeck/typeck_type_placeholder_item.min_tait.stderr @@ -70,7 +70,7 @@ LL | static TEST3: _ = "test"; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `&str` + | help: replace with the correct type: `&str` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:19:15 @@ -79,7 +79,7 @@ LL | static TEST4: _ = 145; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:22:15 @@ -201,7 +201,7 @@ LL | static B: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:80:15 @@ -235,7 +235,7 @@ LL | static FN_TEST3: _ = "test"; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `&str` + | help: replace with the correct type: `&str` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:92:22 @@ -244,7 +244,7 @@ LL | static FN_TEST4: _ = 145; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:95:22 @@ -426,7 +426,7 @@ LL | const _: Option<_> = map(value); | ^^^^^^^^^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `Option<u8>` + | help: replace with the correct type: `Option<u8>` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:144:31 @@ -517,7 +517,7 @@ LL | const D: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item.rs:201:26 @@ -630,7 +630,7 @@ LL | const D: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error: aborting due to 69 previous errors diff --git a/src/test/ui/typeck/typeck_type_placeholder_item_help.stderr b/src/test/ui/typeck/typeck_type_placeholder_item_help.stderr index f868c8d4834..2b64df774b0 100644 --- a/src/test/ui/typeck/typeck_type_placeholder_item_help.stderr +++ b/src/test/ui/typeck/typeck_type_placeholder_item_help.stderr @@ -14,7 +14,7 @@ LL | const TEST2: _ = 42u32; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `u32` + | help: replace with the correct type: `u32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item_help.rs:10:14 @@ -23,7 +23,7 @@ LL | const TEST3: _ = Some(42); | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `Option<i32>` + | help: replace with the correct type: `Option<i32>` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item_help.rs:13:22 @@ -38,7 +38,7 @@ LL | const TEST5: _ = 42; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error[E0121]: the type placeholder `_` is not allowed within types on item signatures --> $DIR/typeck_type_placeholder_item_help.rs:24:18 @@ -47,7 +47,7 @@ LL | const TEST6: _ = 13; | ^ | | | not allowed in type signatures - | help: replace `_` with the correct type: `i32` + | help: replace with the correct type: `i32` error: aborting due to 6 previous errors diff --git a/src/test/ui/where-clauses/where-for-self.stderr b/src/test/ui/where-clauses/where-for-self.stderr index 84430ffcf88..d06afc1e423 100644 --- a/src/test/ui/where-clauses/where-for-self.stderr +++ b/src/test/ui/where-clauses/where-for-self.stderr @@ -6,3 +6,4 @@ LL | where for<'a> &'a T: for<'b> Bar<'b> error: aborting due to previous error +For more information about this error, try `rustc --explain E0316`. diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs index 4e605caafe2..1e19b7b21d8 100644 --- a/src/tools/build-manifest/src/main.rs +++ b/src/tools/build-manifest/src/main.rs @@ -85,6 +85,8 @@ static TARGETS: &[&str] = &[ "armv7r-none-eabihf", "armv7s-apple-ios", "asmjs-unknown-emscripten", + "bpfeb-unknown-none", + "bpfel-unknown-none", "i386-apple-ios", "i586-pc-windows-msvc", "i586-unknown-linux-gnu", diff --git a/src/tools/cargo b/src/tools/cargo -Subproject e931e4796b61de593aa1097649445e535c9c7ee +Subproject aa8b09297bb3156b849e73db48af4cd050492fe diff --git a/src/tools/clippy/CHANGELOG.md b/src/tools/clippy/CHANGELOG.md index da5a0712c95..41af8e190dd 100644 --- a/src/tools/clippy/CHANGELOG.md +++ b/src/tools/clippy/CHANGELOG.md @@ -2493,6 +2493,7 @@ Released 2018-09-13 [`manual_ok_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_ok_or [`manual_range_contains`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains [`manual_saturating_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_saturating_arithmetic +[`manual_str_repeat`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_str_repeat [`manual_strip`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip [`manual_swap`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap [`manual_unwrap_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or @@ -2622,6 +2623,7 @@ Released 2018-09-13 [`redundant_pub_crate`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pub_crate [`redundant_slicing`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_slicing [`redundant_static_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes +[`ref_binding_to_reference`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_binding_to_reference [`ref_in_deref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_in_deref [`ref_option_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_option_ref [`regex_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#regex_macro @@ -2670,6 +2672,7 @@ Released 2018-09-13 [`suspicious_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_map [`suspicious_op_assign_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_op_assign_impl [`suspicious_operation_groupings`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_operation_groupings +[`suspicious_splitn`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_splitn [`suspicious_unary_op_formatting`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_unary_op_formatting [`tabs_in_doc_comments`]: https://rust-lang.github.io/rust-clippy/master/index.html#tabs_in_doc_comments [`temporary_assignment`]: https://rust-lang.github.io/rust-clippy/master/index.html#temporary_assignment diff --git a/src/tools/clippy/COPYRIGHT b/src/tools/clippy/COPYRIGHT index 80d64472c70..238c919b69d 100644 --- a/src/tools/clippy/COPYRIGHT +++ b/src/tools/clippy/COPYRIGHT @@ -1,4 +1,4 @@ -Copyright 2014-2020 The Rust Project Developers +Copyright 2014-2021 The Rust Project Developers Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license diff --git a/src/tools/clippy/Cargo.toml b/src/tools/clippy/Cargo.toml index 848476a9d05..b003b15a11d 100644 --- a/src/tools/clippy/Cargo.toml +++ b/src/tools/clippy/Cargo.toml @@ -33,12 +33,13 @@ tempfile = { version = "3.1.0", optional = true } cargo_metadata = "0.12" compiletest_rs = { version = "0.6.0", features = ["tmp"] } tester = "0.9" -clippy-mini-macro-test = { version = "0.2", path = "mini-macro" } serde = { version = "1.0", features = ["derive"] } derive-new = "0.5" regex = "1.4" quote = "1" syn = { version = "1", features = ["full"] } +# This is used by the `collect-metadata` alias. +filetime = "0.2" # A noop dependency that changes in the Rust repository, it's a bit of a hack. # See the `src/tools/rustc-workspace-hack/README.md` file in `rust-lang/rust` diff --git a/src/tools/clippy/LICENSE-APACHE b/src/tools/clippy/LICENSE-APACHE index d821a4de2be..04169a42b8b 100644 --- a/src/tools/clippy/LICENSE-APACHE +++ b/src/tools/clippy/LICENSE-APACHE @@ -186,7 +186,7 @@ APPENDIX: How to apply the Apache License to your work. same "printed page" as the copyright notice for easier identification within third-party archives. -Copyright 2014-2020 The Rust Project Developers +Copyright 2014-2021 The Rust Project Developers Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. diff --git a/src/tools/clippy/LICENSE-MIT b/src/tools/clippy/LICENSE-MIT index b7c70dd4026..90a2d3950d1 100644 --- a/src/tools/clippy/LICENSE-MIT +++ b/src/tools/clippy/LICENSE-MIT @@ -1,6 +1,6 @@ MIT License -Copyright (c) 2014-2020 The Rust Project Developers +Copyright (c) 2014-2021 The Rust Project Developers Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated diff --git a/src/tools/clippy/README.md b/src/tools/clippy/README.md index 8c0c16c443d..6c556f579ca 100644 --- a/src/tools/clippy/README.md +++ b/src/tools/clippy/README.md @@ -147,6 +147,7 @@ Some lints can be configured in a TOML file named `clippy.toml` or `.clippy.toml value` mapping eg. ```toml +avoid-breaking-exported-api = false blacklisted-names = ["toto", "tata", "titi"] cognitive-complexity-threshold = 30 ``` @@ -236,7 +237,7 @@ If you want to contribute to Clippy, you can find more information in [CONTRIBUT ## License -Copyright 2014-2020 The Rust Project Developers +Copyright 2014-2021 The Rust Project Developers Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)> or the MIT license diff --git a/src/tools/clippy/build.rs b/src/tools/clippy/build.rs index 018375dbada..b5484bec3c8 100644 --- a/src/tools/clippy/build.rs +++ b/src/tools/clippy/build.rs @@ -14,6 +14,6 @@ fn main() { ); println!( "cargo:rustc-env=RUSTC_RELEASE_CHANNEL={}", - rustc_tools_util::get_channel().unwrap_or_default() + rustc_tools_util::get_channel() ); } diff --git a/src/tools/clippy/clippy.toml b/src/tools/clippy/clippy.toml new file mode 100644 index 00000000000..cda8d17eed4 --- /dev/null +++ b/src/tools/clippy/clippy.toml @@ -0,0 +1 @@ +avoid-breaking-exported-api = false diff --git a/src/tools/clippy/clippy_lints/src/absurd_extreme_comparisons.rs b/src/tools/clippy/clippy_lints/src/absurd_extreme_comparisons.rs index 5fbf4bdbd18..49d4350123f 100644 --- a/src/tools/clippy/clippy_lints/src/absurd_extreme_comparisons.rs +++ b/src/tools/clippy/clippy_lints/src/absurd_extreme_comparisons.rs @@ -3,9 +3,8 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::{declare_lint_pass, declare_tool_lint}; -use crate::consts::{constant, Constant}; - use clippy_utils::comparisons::{normalize_comparison, Rel}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::source::snippet; use clippy_utils::ty::is_isize_or_usize; diff --git a/src/tools/clippy/clippy_lints/src/arithmetic.rs b/src/tools/clippy/clippy_lints/src/arithmetic.rs index c560f545d6a..24c2a972811 100644 --- a/src/tools/clippy/clippy_lints/src/arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/arithmetic.rs @@ -1,4 +1,4 @@ -use crate::consts::constant_simple; +use clippy_utils::consts::constant_simple; use clippy_utils::diagnostics::span_lint; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; diff --git a/src/tools/clippy/clippy_lints/src/assertions_on_constants.rs b/src/tools/clippy/clippy_lints/src/assertions_on_constants.rs index c565e29d078..5235b2642d1 100644 --- a/src/tools/clippy/clippy_lints/src/assertions_on_constants.rs +++ b/src/tools/clippy/clippy_lints/src/assertions_on_constants.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::source::snippet_opt; use clippy_utils::{is_direct_expn_of, is_expn_of, match_panic_call}; @@ -63,7 +63,7 @@ impl<'tcx> LateLintPass<'tcx> for AssertionsOnConstants { &format!("`assert!(false, {})` should probably be replaced", panic_message), None, &format!("use `panic!({})` or `unreachable!({})`", panic_message, panic_message), - ) + ); }; if let Some(debug_assert_span) = is_expn_of(e.span, "debug_assert") { diff --git a/src/tools/clippy/clippy_lints/src/attrs.rs b/src/tools/clippy/clippy_lints/src/attrs.rs index c5b01461c1c..932cd58bf62 100644 --- a/src/tools/clippy/clippy_lints/src/attrs.rs +++ b/src/tools/clippy/clippy_lints/src/attrs.rs @@ -273,7 +273,7 @@ impl<'tcx> LateLintPass<'tcx> for Attributes { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { let attrs = cx.tcx.hir().attrs(item.hir_id()); if is_relevant_item(cx, item) { - check_attrs(cx, item.span, item.ident.name, attrs) + check_attrs(cx, item.span, item.ident.name, attrs); } match item.kind { ItemKind::ExternCrate(..) | ItemKind::Use(..) => { @@ -343,13 +343,13 @@ impl<'tcx> LateLintPass<'tcx> for Attributes { fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) { if is_relevant_impl(cx, item) { - check_attrs(cx, item.span, item.ident.name, cx.tcx.hir().attrs(item.hir_id())) + check_attrs(cx, item.span, item.ident.name, cx.tcx.hir().attrs(item.hir_id())); } } fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx TraitItem<'_>) { if is_relevant_trait(cx, item) { - check_attrs(cx, item.span, item.ident.name, cx.tcx.hir().attrs(item.hir_id())) + check_attrs(cx, item.span, item.ident.name, cx.tcx.hir().attrs(item.hir_id())); } } } diff --git a/src/tools/clippy/clippy_lints/src/bit_mask.rs b/src/tools/clippy/clippy_lints/src/bit_mask.rs index f7daf3dab49..991ed94572c 100644 --- a/src/tools/clippy/clippy_lints/src/bit_mask.rs +++ b/src/tools/clippy/clippy_lints/src/bit_mask.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; use clippy_utils::sugg::Sugg; use if_chain::if_chain; @@ -115,9 +115,9 @@ impl<'tcx> LateLintPass<'tcx> for BitMask { if let ExprKind::Binary(cmp, left, right) = &e.kind { if cmp.node.is_comparison() { if let Some(cmp_opt) = fetch_int_literal(cx, right) { - check_compare(cx, left, cmp.node, cmp_opt, e.span) + check_compare(cx, left, cmp.node, cmp_opt, e.span); } else if let Some(cmp_val) = fetch_int_literal(cx, left) { - check_compare(cx, right, invert_cmp(cmp.node), cmp_val, e.span) + check_compare(cx, right, invert_cmp(cmp.node), cmp_val, e.span); } } } @@ -171,7 +171,7 @@ fn check_compare(cx: &LateContext<'_>, bit_op: &Expr<'_>, cmp_op: BinOpKind, cmp } fetch_int_literal(cx, right) .or_else(|| fetch_int_literal(cx, left)) - .map_or((), |mask| check_bit_mask(cx, op.node, cmp_op, mask, cmp_value, span)) + .map_or((), |mask| check_bit_mask(cx, op.node, cmp_op, mask, cmp_value, span)); } } diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs index 67f0e0c7870..e72399af232 100644 --- a/src/tools/clippy/clippy_lints/src/booleans.rs +++ b/src/tools/clippy/clippy_lints/src/booleans.rs @@ -66,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for NonminimalBool { _: Span, _: HirId, ) { - NonminimalBoolVisitor { cx }.visit_body(body) + NonminimalBoolVisitor { cx }.visit_body(body); } } @@ -184,7 +184,7 @@ impl<'a, 'tcx, 'v> SuggestContext<'a, 'tcx, 'v> { Term(n) => { let terminal = self.terminals[n as usize]; if let Some(str) = simplify_not(self.cx, terminal) { - self.output.push_str(&str) + self.output.push_str(&str); } else { self.output.push('!'); let snip = snippet_opt(self.cx, terminal.span)?; @@ -452,7 +452,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NonminimalBoolVisitor<'a, 'tcx> { } match &e.kind { ExprKind::Binary(binop, _, _) if binop.node == BinOpKind::Or || binop.node == BinOpKind::And => { - self.bool_expr(e) + self.bool_expr(e); }, ExprKind::Unary(UnOp::Not, inner) => { if self.cx.typeck_results().node_types()[inner.hir_id].is_bool() { diff --git a/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs b/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs index 040e0ca8864..c9c111a2847 100644 --- a/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs +++ b/src/tools/clippy/clippy_lints/src/casts/cast_sign_loss.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::{method_chain_args, sext}; use if_chain::if_chain; diff --git a/src/tools/clippy/clippy_lints/src/collapsible_if.rs b/src/tools/clippy/clippy_lints/src/collapsible_if.rs index dae5c86bd44..6e950738239 100644 --- a/src/tools/clippy/clippy_lints/src/collapsible_if.rs +++ b/src/tools/clippy/clippy_lints/src/collapsible_if.rs @@ -92,7 +92,7 @@ declare_lint_pass!(CollapsibleIf => [COLLAPSIBLE_IF, COLLAPSIBLE_ELSE_IF]); impl EarlyLintPass for CollapsibleIf { fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &ast::Expr) { if !expr.span.from_expansion() { - check_if(cx, expr) + check_if(cx, expr); } } } diff --git a/src/tools/clippy/clippy_lints/src/comparison_chain.rs b/src/tools/clippy/clippy_lints/src/comparison_chain.rs index 2a61d58e653..b6999bef6e7 100644 --- a/src/tools/clippy/clippy_lints/src/comparison_chain.rs +++ b/src/tools/clippy/clippy_lints/src/comparison_chain.rs @@ -120,7 +120,7 @@ impl<'tcx> LateLintPass<'tcx> for ComparisonChain { "`if` chain can be rewritten with `match`", None, "consider rewriting the `if` chain to use `cmp` and `match`", - ) + ); } } diff --git a/src/tools/clippy/clippy_lints/src/consts.rs b/src/tools/clippy/clippy_lints/src/consts.rs deleted file mode 100644 index 7e87f53e3fb..00000000000 --- a/src/tools/clippy/clippy_lints/src/consts.rs +++ /dev/null @@ -1 +0,0 @@ -pub use clippy_utils::consts::*; diff --git a/src/tools/clippy/clippy_lints/src/copies.rs b/src/tools/clippy/clippy_lints/src/copies.rs index f956d171bfb..376a14b8181 100644 --- a/src/tools/clippy/clippy_lints/src/copies.rs +++ b/src/tools/clippy/clippy_lints/src/copies.rs @@ -476,7 +476,7 @@ fn emit_branches_sharing_code_lint( } suggestions.push(("end", span, suggestion.to_string())); - add_expr_note = !cx.typeck_results().expr_ty(if_expr).is_unit() + add_expr_note = !cx.typeck_results().expr_ty(if_expr).is_unit(); } let add_optional_msgs = |diag: &mut DiagnosticBuilder<'_>| { diff --git a/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs b/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs index 6e883942680..759f7d4062d 100644 --- a/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs +++ b/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs @@ -181,9 +181,9 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { match stmt.kind { StmtKind::Local(local) => { if local.ty.is_some() { - self.ty_bounds.push(TyBound::Any) + self.ty_bounds.push(TyBound::Any); } else { - self.ty_bounds.push(TyBound::Nothing) + self.ty_bounds.push(TyBound::Nothing); } }, diff --git a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs index 50ffc2e3f19..04f3d77464f 100644 --- a/src/tools/clippy/clippy_lints/src/deprecated_lints.rs +++ b/src/tools/clippy/clippy_lints/src/deprecated_lints.rs @@ -141,3 +141,22 @@ declare_deprecated_lint! { pub FILTER_MAP, "this lint has been replaced by `manual_filter_map`, a more specific lint" } + +declare_deprecated_lint! { + /// **What it does:** Nothing. This lint has been deprecated. + /// + /// **Deprecation reason:** The `avoid_breaking_exported_api` config option was added, which + /// enables the `enum_variant_names` lint for public items. + /// ``` + pub PUB_ENUM_VARIANT_NAMES, + "set the `avoid_breaking_exported_api` config option to `false` to enable the `enum_variant_names` lint for public items" +} + +declare_deprecated_lint! { + /// **What it does:** Nothing. This lint has been deprecated. + /// + /// **Deprecation reason:** The `avoid_breaking_exported_api` config option was added, which + /// enables the `wrong_self_conversion` lint for public items. + pub WRONG_PUB_SELF_CONVENTION, + "set the `avoid_breaking_exported_api` config option to `false` to enable the `wrong_self_convention` lint for public items" +} diff --git a/src/tools/clippy/clippy_lints/src/double_comparison.rs b/src/tools/clippy/clippy_lints/src/double_comparison.rs index 58543ae6e4e..4966638cb1b 100644 --- a/src/tools/clippy/clippy_lints/src/double_comparison.rs +++ b/src/tools/clippy/clippy_lints/src/double_comparison.rs @@ -70,16 +70,16 @@ impl<'tcx> DoubleComparisons { #[rustfmt::skip] match (op, lkind, rkind) { (BinOpKind::Or, BinOpKind::Eq, BinOpKind::Lt) | (BinOpKind::Or, BinOpKind::Lt, BinOpKind::Eq) => { - lint_double_comparison!(<=) + lint_double_comparison!(<=); }, (BinOpKind::Or, BinOpKind::Eq, BinOpKind::Gt) | (BinOpKind::Or, BinOpKind::Gt, BinOpKind::Eq) => { - lint_double_comparison!(>=) + lint_double_comparison!(>=); }, (BinOpKind::Or, BinOpKind::Lt, BinOpKind::Gt) | (BinOpKind::Or, BinOpKind::Gt, BinOpKind::Lt) => { - lint_double_comparison!(!=) + lint_double_comparison!(!=); }, (BinOpKind::And, BinOpKind::Le, BinOpKind::Ge) | (BinOpKind::And, BinOpKind::Ge, BinOpKind::Le) => { - lint_double_comparison!(==) + lint_double_comparison!(==); }, _ => (), }; diff --git a/src/tools/clippy/clippy_lints/src/duration_subsec.rs b/src/tools/clippy/clippy_lints/src/duration_subsec.rs index 529807770f3..94b09bf7173 100644 --- a/src/tools/clippy/clippy_lints/src/duration_subsec.rs +++ b/src/tools/clippy/clippy_lints/src/duration_subsec.rs @@ -7,7 +7,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::Spanned; -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::paths; diff --git a/src/tools/clippy/clippy_lints/src/entry.rs b/src/tools/clippy/clippy_lints/src/entry.rs index 8db5050a5ac..2eb8b1422ed 100644 --- a/src/tools/clippy/clippy_lints/src/entry.rs +++ b/src/tools/clippy/clippy_lints/src/entry.rs @@ -469,7 +469,7 @@ impl<'tcx> Visitor<'tcx> for InsertSearcher<'_, 'tcx> { let mut is_map_used = self.is_map_used; for arm in arms { if let Some(Guard::If(guard) | Guard::IfLet(_, guard)) = arm.guard { - self.visit_non_tail_expr(guard) + self.visit_non_tail_expr(guard); } is_map_used |= self.visit_cond_arm(arm.body); } diff --git a/src/tools/clippy/clippy_lints/src/enum_clike.rs b/src/tools/clippy/clippy_lints/src/enum_clike.rs index 7a98ae39d3a..021136ac5e0 100644 --- a/src/tools/clippy/clippy_lints/src/enum_clike.rs +++ b/src/tools/clippy/clippy_lints/src/enum_clike.rs @@ -1,7 +1,7 @@ //! lint on C-like enums that are `repr(isize/usize)` and have values that //! don't fit into an `i32` -use crate::consts::{miri_to_const, Constant}; +use clippy_utils::consts::{miri_to_const, Constant}; use clippy_utils::diagnostics::span_lint; use rustc_hir::{Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass}; diff --git a/src/tools/clippy/clippy_lints/src/enum_variants.rs b/src/tools/clippy/clippy_lints/src/enum_variants.rs index 0ecc0bc3eb6..b1a105a51c1 100644 --- a/src/tools/clippy/clippy_lints/src/enum_variants.rs +++ b/src/tools/clippy/clippy_lints/src/enum_variants.rs @@ -3,8 +3,8 @@ use clippy_utils::camel_case; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::source::is_present_in_source; -use rustc_ast::ast::{EnumDef, Item, ItemKind, VisibilityKind}; -use rustc_lint::{EarlyContext, EarlyLintPass, Lint}; +use rustc_hir::{EnumDef, Item, ItemKind}; +use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::source_map::Span; use rustc_span::symbol::Symbol; @@ -40,36 +40,6 @@ declare_clippy_lint! { } declare_clippy_lint! { - /// **What it does:** Detects public enumeration variants that are - /// prefixed or suffixed by the same characters. - /// - /// **Why is this bad?** Public enumeration variant names should specify their variant, - /// not repeat the enumeration name. - /// - /// **Known problems:** None. - /// - /// **Example:** - /// ```rust - /// pub enum Cake { - /// BlackForestCake, - /// HummingbirdCake, - /// BattenbergCake, - /// } - /// ``` - /// Could be written as: - /// ```rust - /// pub enum Cake { - /// BlackForest, - /// Hummingbird, - /// Battenberg, - /// } - /// ``` - pub PUB_ENUM_VARIANT_NAMES, - pedantic, - "public enums where all variants share a prefix/postfix" -} - -declare_clippy_lint! { /// **What it does:** Detects type names that are prefixed or suffixed by the /// containing module's name. /// @@ -127,21 +97,22 @@ declare_clippy_lint! { pub struct EnumVariantNames { modules: Vec<(Symbol, String)>, threshold: u64, + avoid_breaking_exported_api: bool, } impl EnumVariantNames { #[must_use] - pub fn new(threshold: u64) -> Self { + pub fn new(threshold: u64, avoid_breaking_exported_api: bool) -> Self { Self { modules: Vec::new(), threshold, + avoid_breaking_exported_api, } } } impl_lint_pass!(EnumVariantNames => [ ENUM_VARIANT_NAMES, - PUB_ENUM_VARIANT_NAMES, MODULE_NAME_REPETITIONS, MODULE_INCEPTION ]); @@ -167,33 +138,42 @@ fn partial_rmatch(post: &str, name: &str) -> usize { } fn check_variant( - cx: &EarlyContext<'_>, + cx: &LateContext<'_>, threshold: u64, - def: &EnumDef, + def: &EnumDef<'_>, item_name: &str, item_name_chars: usize, span: Span, - lint: &'static Lint, ) { if (def.variants.len() as u64) < threshold { return; } - for var in &def.variants { + for var in def.variants { let name = var.ident.name.as_str(); if partial_match(item_name, &name) == item_name_chars && name.chars().nth(item_name_chars).map_or(false, |c| !c.is_lowercase()) && name.chars().nth(item_name_chars + 1).map_or(false, |c| !c.is_numeric()) { - span_lint(cx, lint, var.span, "variant name starts with the enum's name"); + span_lint( + cx, + ENUM_VARIANT_NAMES, + var.span, + "variant name starts with the enum's name", + ); } if partial_rmatch(item_name, &name) == item_name_chars { - span_lint(cx, lint, var.span, "variant name ends with the enum's name"); + span_lint( + cx, + ENUM_VARIANT_NAMES, + var.span, + "variant name ends with the enum's name", + ); } } let first = &def.variants[0].ident.name.as_str(); let mut pre = &first[..camel_case::until(&*first)]; let mut post = &first[camel_case::from(&*first)..]; - for var in &def.variants { + for var in def.variants { let name = var.ident.name.as_str(); let pre_match = partial_match(pre, &name); @@ -226,7 +206,7 @@ fn check_variant( }; span_lint_and_help( cx, - lint, + ENUM_VARIANT_NAMES, span, &format!("all variants have the same {}fix: `{}`", what, value), None, @@ -261,14 +241,14 @@ fn to_camel_case(item_name: &str) -> String { s } -impl EarlyLintPass for EnumVariantNames { - fn check_item_post(&mut self, _cx: &EarlyContext<'_>, _item: &Item) { +impl LateLintPass<'_> for EnumVariantNames { + fn check_item_post(&mut self, _cx: &LateContext<'_>, _item: &Item<'_>) { let last = self.modules.pop(); assert!(last.is_some()); } #[allow(clippy::similar_names)] - fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { + fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { let item_name = item.ident.name.as_str(); let item_name_chars = item_name.chars().count(); let item_camel = to_camel_case(&item_name); @@ -286,7 +266,7 @@ impl EarlyLintPass for EnumVariantNames { ); } } - if item.vis.kind.is_pub() { + if item.vis.node.is_pub() { let matching = partial_match(mod_camel, &item_camel); let rmatching = partial_rmatch(mod_camel, &item_camel); let nchars = mod_camel.chars().count(); @@ -317,11 +297,9 @@ impl EarlyLintPass for EnumVariantNames { } } if let ItemKind::Enum(ref def, _) = item.kind { - let lint = match item.vis.kind { - VisibilityKind::Public => PUB_ENUM_VARIANT_NAMES, - _ => ENUM_VARIANT_NAMES, - }; - check_variant(cx, self.threshold, def, &item_name, item_name_chars, item.span, lint); + if !(self.avoid_breaking_exported_api && cx.access_levels.is_exported(item.hir_id())) { + check_variant(cx, self.threshold, def, &item_name, item_name_chars, item.span); + } } self.modules.push((item.ident.name, item_camel)); } diff --git a/src/tools/clippy/clippy_lints/src/eq_op.rs b/src/tools/clippy/clippy_lints/src/eq_op.rs index 90f391b5f5c..a3a8e748d99 100644 --- a/src/tools/clippy/clippy_lints/src/eq_op.rs +++ b/src/tools/clippy/clippy_lints/src/eq_op.rs @@ -156,7 +156,7 @@ impl<'tcx> LateLintPass<'tcx> for EqOp { vec![(left.span, lsnip), (right.span, rsnip)], ); }, - ) + ); } else if lcpy && !rcpy && implements_trait(cx, lty, trait_id, &[cx.typeck_results().expr_ty(right).into()]) @@ -175,7 +175,7 @@ impl<'tcx> LateLintPass<'tcx> for EqOp { Applicability::MaybeIncorrect, // FIXME #2597 ); }, - ) + ); } else if !lcpy && rcpy && implements_trait(cx, cx.typeck_results().expr_ty(left), trait_id, &[rty.into()]) @@ -194,7 +194,7 @@ impl<'tcx> LateLintPass<'tcx> for EqOp { Applicability::MaybeIncorrect, // FIXME #2597 ); }, - ) + ); } }, // &foo == bar @@ -218,7 +218,7 @@ impl<'tcx> LateLintPass<'tcx> for EqOp { Applicability::MaybeIncorrect, // FIXME #2597 ); }, - ) + ); } }, // foo == &bar @@ -236,7 +236,7 @@ impl<'tcx> LateLintPass<'tcx> for EqOp { rsnip, Applicability::MaybeIncorrect, // FIXME #2597 ); - }) + }); } }, _ => {}, diff --git a/src/tools/clippy/clippy_lints/src/erasing_op.rs b/src/tools/clippy/clippy_lints/src/erasing_op.rs index f95ca86a2d0..4aa9c25b1b0 100644 --- a/src/tools/clippy/clippy_lints/src/erasing_op.rs +++ b/src/tools/clippy/clippy_lints/src/erasing_op.rs @@ -1,11 +1,10 @@ +use clippy_utils::consts::{constant_simple, Constant}; use clippy_utils::diagnostics::span_lint; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::Span; -use crate::consts::{constant_simple, Constant}; - declare_clippy_lint! { /// **What it does:** Checks for erasing operations, e.g., `x * 0`. /// diff --git a/src/tools/clippy/clippy_lints/src/eta_reduction.rs b/src/tools/clippy/clippy_lints/src/eta_reduction.rs index 2f1aa53236d..8d066f305ee 100644 --- a/src/tools/clippy/clippy_lints/src/eta_reduction.rs +++ b/src/tools/clippy/clippy_lints/src/eta_reduction.rs @@ -77,7 +77,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { for arg in args { // skip `foo(macro!())` if arg.span.ctxt() == expr.span.ctxt() { - check_closure(cx, arg) + check_closure(cx, arg); } } }, @@ -92,17 +92,19 @@ fn check_closure(cx: &LateContext<'_>, expr: &Expr<'_>) { let ex = &body.value; if ex.span.ctxt() != expr.span.ctxt() { - if let Some(VecArgs::Vec(&[])) = higher::vec_macro(cx, ex) { - // replace `|| vec![]` with `Vec::new` - span_lint_and_sugg( - cx, - REDUNDANT_CLOSURE, - expr.span, - "redundant closure", - "replace the closure with `Vec::new`", - "std::vec::Vec::new".into(), - Applicability::MachineApplicable, - ); + if decl.inputs.is_empty() { + if let Some(VecArgs::Vec(&[])) = higher::vec_macro(cx, ex) { + // replace `|| vec![]` with `Vec::new` + span_lint_and_sugg( + cx, + REDUNDANT_CLOSURE, + expr.span, + "redundant closure", + "replace the closure with `Vec::new`", + "std::vec::Vec::new".into(), + Applicability::MachineApplicable, + ); + } } // skip `foo(|| macro!())` return; @@ -188,9 +190,10 @@ fn get_ufcs_type_name(cx: &LateContext<'_>, method_def_id: def_id::DefId, self_a cx.tcx.impl_of_method(method_def_id).and_then(|_| { //a type may implicitly implement other type's methods (e.g. Deref) if match_types(expected_type_of_self, actual_type_of_self) { - return Some(get_type_name(cx, actual_type_of_self)); + Some(get_type_name(cx, actual_type_of_self)) + } else { + None } - None }) } diff --git a/src/tools/clippy/clippy_lints/src/eval_order_dependence.rs b/src/tools/clippy/clippy_lints/src/eval_order_dependence.rs index 41acf55dd7d..5fdf5bc9e9d 100644 --- a/src/tools/clippy/clippy_lints/src/eval_order_dependence.rs +++ b/src/tools/clippy/clippy_lints/src/eval_order_dependence.rs @@ -110,7 +110,7 @@ impl<'a, 'tcx> DivergenceVisitor<'a, 'tcx> { self.visit_expr(e); for arm in arms { if let Some(Guard::If(if_expr)) = arm.guard { - self.visit_expr(if_expr) + self.visit_expr(if_expr); } // make sure top level arm expressions aren't linted self.maybe_walk_expr(&*arm.body); 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 08f28cd54c5..e38384b01d4 100644 --- a/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/floating_point_arithmetic.rs @@ -1,4 +1,4 @@ -use crate::consts::{ +use clippy_utils::consts::{ constant, constant_simple, Constant, Constant::{Int, F32, F64}, }; diff --git a/src/tools/clippy/clippy_lints/src/functions/must_use.rs b/src/tools/clippy/clippy_lints/src/functions/must_use.rs index 20288427b4a..7f4fb68cf2f 100644 --- a/src/tools/clippy/clippy_lints/src/functions/must_use.rs +++ b/src/tools/clippy/clippy_lints/src/functions/must_use.rs @@ -240,7 +240,7 @@ impl<'a, 'tcx> intravisit::Visitor<'tcx> for StaticMutVisitor<'a, 'tcx> { } }, Assign(target, ..) | AssignOp(_, target, _) | AddrOf(_, hir::Mutability::Mut, target) => { - self.mutates_static |= is_mutated_static(target) + self.mutates_static |= is_mutated_static(target); }, _ => {}, } diff --git a/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs b/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs index b8ea6990866..af759a48e10 100644 --- a/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs +++ b/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs @@ -116,7 +116,7 @@ impl<'a, 'tcx> DerefVisitor<'a, 'tcx> { self.cx, NOT_UNSAFE_PTR_ARG_DEREF, ptr.span, - "this public function dereferences a raw pointer but is not marked `unsafe`", + "this public function might dereference a raw pointer but is not marked `unsafe`", ); } } diff --git a/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs b/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs index aa5494d5a7d..a666fee1a4a 100644 --- a/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs +++ b/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs @@ -4,7 +4,7 @@ use rustc_middle::lint::in_external_macro; use rustc_span::Span; use clippy_utils::diagnostics::span_lint; -use clippy_utils::source::snippet; +use clippy_utils::source::snippet_opt; use super::TOO_MANY_LINES; @@ -13,15 +13,25 @@ pub(super) fn check_fn(cx: &LateContext<'_>, span: Span, body: &'tcx hir::Body<' return; } - let code_snippet = snippet(cx, body.value.span, ".."); + let code_snippet = match snippet_opt(cx, body.value.span) { + Some(s) => s, + _ => return, + }; let mut line_count: u64 = 0; let mut in_comment = false; let mut code_in_line; - // Skip the surrounding function decl. - let start_brace_idx = code_snippet.find('{').map_or(0, |i| i + 1); - let end_brace_idx = code_snippet.rfind('}').unwrap_or_else(|| code_snippet.len()); - let function_lines = code_snippet[start_brace_idx..end_brace_idx].lines(); + let function_lines = if matches!(body.value.kind, hir::ExprKind::Block(..)) + && code_snippet.as_bytes().first().copied() == Some(b'{') + && code_snippet.as_bytes().last().copied() == Some(b'}') + { + // Removing the braces from the enclosing block + &code_snippet[1..code_snippet.len() - 1] + } else { + &code_snippet + } + .trim() // Remove leading and trailing blank lines + .lines(); for mut line in function_lines { code_in_line = false; @@ -63,6 +73,6 @@ pub(super) fn check_fn(cx: &LateContext<'_>, span: Span, body: &'tcx hir::Body<' "this function has too many lines ({}/{})", line_count, too_many_lines_threshold ), - ) + ); } } diff --git a/src/tools/clippy/clippy_lints/src/future_not_send.rs b/src/tools/clippy/clippy_lints/src/future_not_send.rs index 04730ace887..515b8887453 100644 --- a/src/tools/clippy/clippy_lints/src/future_not_send.rs +++ b/src/tools/clippy/clippy_lints/src/future_not_send.rs @@ -102,7 +102,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend { )); } } - }) + }); }, ); } diff --git a/src/tools/clippy/clippy_lints/src/identity_op.rs b/src/tools/clippy/clippy_lints/src/identity_op.rs index 366b3b46a8a..99c461930e4 100644 --- a/src/tools/clippy/clippy_lints/src/identity_op.rs +++ b/src/tools/clippy/clippy_lints/src/identity_op.rs @@ -6,7 +6,7 @@ use rustc_middle::ty; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::Span; -use crate::consts::{constant_simple, Constant}; +use clippy_utils::consts::{constant_simple, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::{clip, unsext}; diff --git a/src/tools/clippy/clippy_lints/src/implicit_return.rs b/src/tools/clippy/clippy_lints/src/implicit_return.rs index 260a8f50157..f2f830ca5c0 100644 --- a/src/tools/clippy/clippy_lints/src/implicit_return.rs +++ b/src/tools/clippy/clippy_lints/src/implicit_return.rs @@ -67,7 +67,7 @@ fn lint_break(cx: &LateContext<'_>, break_span: Span, expr_span: Span) { "change `break` to `return` as shown", format!("return {}", snip), app, - ) + ); } #[derive(Clone, Copy, PartialEq, Eq)] diff --git a/src/tools/clippy/clippy_lints/src/indexing_slicing.rs b/src/tools/clippy/clippy_lints/src/indexing_slicing.rs index 1c54599abc4..bfa284f333a 100644 --- a/src/tools/clippy/clippy_lints/src/indexing_slicing.rs +++ b/src/tools/clippy/clippy_lints/src/indexing_slicing.rs @@ -1,6 +1,6 @@ //! lint on indexing and slicing operations -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::higher; use rustc_ast::ast::RangeLimits; diff --git a/src/tools/clippy/clippy_lints/src/infinite_iter.rs b/src/tools/clippy/clippy_lints/src/infinite_iter.rs index afee20ce43e..6b887da2630 100644 --- a/src/tools/clippy/clippy_lints/src/infinite_iter.rs +++ b/src/tools/clippy/clippy_lints/src/infinite_iter.rs @@ -54,7 +54,7 @@ impl<'tcx> LateLintPass<'tcx> for InfiniteIter { return; }, }; - span_lint(cx, lint, expr.span, msg) + span_lint(cx, lint, expr.span, msg); } } diff --git a/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs b/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs index c67c02eefa5..37011f5578d 100644 --- a/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs +++ b/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs @@ -7,9 +7,8 @@ use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::Span; use rustc_target::abi::LayoutOf; -use crate::consts::{constant, Constant}; - use clippy_utils::comparisons::Rel; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::source::snippet; use clippy_utils::{comparisons, sext}; @@ -177,7 +176,7 @@ fn upcast_comparison_bounds_err<'tcx>( }, Rel::Eq | Rel::Ne => unreachable!(), } { - err_upcast_comparison(cx, span, lhs, true) + err_upcast_comparison(cx, span, lhs, true); } else if match rel { Rel::Lt => { if invert { @@ -195,7 +194,7 @@ fn upcast_comparison_bounds_err<'tcx>( }, Rel::Eq | Rel::Ne => unreachable!(), } { - err_upcast_comparison(cx, span, lhs, false) + err_upcast_comparison(cx, span, lhs, false); } } } diff --git a/src/tools/clippy/clippy_lints/src/len_zero.rs b/src/tools/clippy/clippy_lints/src/len_zero.rs index bb57adff7be..583514b22f9 100644 --- a/src/tools/clippy/clippy_lints/src/len_zero.rs +++ b/src/tools/clippy/clippy_lints/src/len_zero.rs @@ -380,9 +380,9 @@ fn check_cmp(cx: &LateContext<'_>, span: Span, method: &Expr<'_>, lit: &Expr<'_> } } - check_len(cx, span, method_path.ident.name, args, &lit.node, op, compare_to) + check_len(cx, span, method_path.ident.name, args, &lit.node, op, compare_to); } else { - check_empty_expr(cx, span, method, lit, op) + check_empty_expr(cx, span, method, lit, op); } } diff --git a/src/tools/clippy/clippy_lints/src/let_underscore.rs b/src/tools/clippy/clippy_lints/src/let_underscore.rs index 17e23781db7..e627b1385bc 100644 --- a/src/tools/clippy/clippy_lints/src/let_underscore.rs +++ b/src/tools/clippy/clippy_lints/src/let_underscore.rs @@ -135,7 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { None, "consider using an underscore-prefixed named \ binding or dropping explicitly with `std::mem::drop`" - ) + ); } else if init_ty.needs_drop(cx.tcx, cx.param_env) { span_lint_and_help( cx, @@ -145,7 +145,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { None, "consider using an underscore-prefixed named \ binding or dropping explicitly with `std::mem::drop`" - ) + ); } else if is_must_use_ty(cx, cx.typeck_results().expr_ty(init)) { span_lint_and_help( cx, @@ -154,7 +154,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { "non-binding let on an expression with `#[must_use]` type", None, "consider explicitly using expression value" - ) + ); } else if is_must_use_func_call(cx, init) { span_lint_and_help( cx, @@ -163,7 +163,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { "non-binding let on a result of a `#[must_use]` function", None, "consider explicitly using function result" - ) + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index 2c83409b402..e7dd3952b3a 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -41,6 +41,9 @@ extern crate rustc_target; extern crate rustc_trait_selection; extern crate rustc_typeck; +#[macro_use] +extern crate clippy_utils; + use clippy_utils::parse_msrv; use rustc_data_structures::fx::FxHashSet; use rustc_lint::LintId; @@ -145,25 +148,9 @@ macro_rules! declare_clippy_lint { }; } -#[macro_export] -macro_rules! sym { - ( $($x:tt)* ) => { clippy_utils::sym!($($x)*) } -} - -#[macro_export] -macro_rules! unwrap_cargo_metadata { - ( $($x:tt)* ) => { clippy_utils::unwrap_cargo_metadata!($($x)*) } -} - -macro_rules! extract_msrv_attr { - ( $($x:tt)* ) => { clippy_utils::extract_msrv_attr!($($x)*); } -} - -mod consts; -#[macro_use] -mod utils; #[cfg(feature = "metadata-collector-lint")] mod deprecated_lints; +mod utils; // begin lints modules, do not remove this comment, it’s used in `update_lints` mod absurd_extreme_comparisons; @@ -405,7 +392,6 @@ pub fn register_pre_expansion_lints(store: &mut rustc_lint::LintStore) { #[doc(hidden)] pub fn read_conf(sess: &Session) -> Conf { - use std::path::Path; let file_name = match utils::conf::lookup_conf_file() { Ok(Some(path)) => path, Ok(None) => return Conf::default(), @@ -416,16 +402,6 @@ pub fn read_conf(sess: &Session) -> Conf { }, }; - let file_name = if file_name.is_relative() { - sess.local_crate_source_file - .as_deref() - .and_then(Path::parent) - .unwrap_or_else(|| Path::new("")) - .join(file_name) - } else { - file_name - }; - let TryConf { conf, errors } = utils::conf::read(&file_name); // all conf errors are non-fatal, we just use the default conf in case of error for error in errors { @@ -505,6 +481,14 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: "clippy::filter_map", "this lint has been replaced by `manual_filter_map`, a more specific lint", ); + store.register_removed( + "clippy::pub_enum_variant_names", + "set the `avoid_breaking_exported_api` config option to `false` to enable the `enum_variant_names` lint for public items", + ); + store.register_removed( + "clippy::wrong_pub_self_convention", + "set the `avoid_breaking_exported_api` config option to `false` to enable the `wrong_self_convention` lint for public items", + ); // end deprecated lints, do not remove this comment, it’s used in `update_lints` // begin register lints, do not remove this comment, it’s used in `update_lints` @@ -618,7 +602,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: enum_variants::ENUM_VARIANT_NAMES, enum_variants::MODULE_INCEPTION, enum_variants::MODULE_NAME_REPETITIONS, - enum_variants::PUB_ENUM_VARIANT_NAMES, eq_op::EQ_OP, eq_op::OP_REF, erasing_op::ERASING_OP, @@ -779,6 +762,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: methods::MANUAL_FILTER_MAP, methods::MANUAL_FIND_MAP, methods::MANUAL_SATURATING_ARITHMETIC, + methods::MANUAL_STR_REPEAT, methods::MAP_COLLECT_RESULT_UNIT, methods::MAP_FLATTEN, methods::MAP_UNWRAP_OR, @@ -796,13 +780,13 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: methods::SKIP_WHILE_NEXT, methods::STRING_EXTEND_CHARS, methods::SUSPICIOUS_MAP, + methods::SUSPICIOUS_SPLITN, methods::UNINIT_ASSUMED_INIT, methods::UNNECESSARY_FILTER_MAP, methods::UNNECESSARY_FOLD, methods::UNNECESSARY_LAZY_EVALUATIONS, methods::UNWRAP_USED, methods::USELESS_ASREF, - methods::WRONG_PUB_SELF_CONVENTION, methods::WRONG_SELF_CONVENTION, methods::ZST_OFFSET, minmax::MIN_MAX, @@ -841,6 +825,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: needless_bool::BOOL_COMPARISON, needless_bool::NEEDLESS_BOOL, needless_borrow::NEEDLESS_BORROW, + needless_borrow::REF_BINDING_TO_REFERENCE, needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE, needless_continue::NEEDLESS_CONTINUE, needless_for_each::NEEDLESS_FOR_EACH, @@ -995,291 +980,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: ]); // end register lints, do not remove this comment, it’s used in `update_lints` - // all the internal lints - #[cfg(feature = "internal-lints")] - { - store.register_early_pass(|| box utils::internal_lints::ClippyLintsInternal); - store.register_early_pass(|| box utils::internal_lints::ProduceIce); - store.register_late_pass(|| box utils::inspector::DeepCodeInspector); - store.register_late_pass(|| box utils::internal_lints::CollapsibleCalls); - store.register_late_pass(|| box utils::internal_lints::CompilerLintFunctions::new()); - store.register_late_pass(|| box utils::internal_lints::IfChainStyle); - store.register_late_pass(|| box utils::internal_lints::InvalidPaths); - store.register_late_pass(|| box utils::internal_lints::InterningDefinedSymbol::default()); - store.register_late_pass(|| box utils::internal_lints::LintWithoutLintPass::default()); - store.register_late_pass(|| box utils::internal_lints::MatchTypeOnDiagItem); - store.register_late_pass(|| box utils::internal_lints::OuterExpnDataPass); - } - #[cfg(feature = "metadata-collector-lint")] - { - if std::env::var("ENABLE_METADATA_COLLECTION").eq(&Ok("1".to_string())) { - store.register_late_pass(|| box utils::internal_lints::metadata_collector::MetadataCollector::new()); - } - } - - store.register_late_pass(|| box utils::author::Author); - store.register_late_pass(|| box await_holding_invalid::AwaitHolding); - store.register_late_pass(|| box serde_api::SerdeApi); - let vec_box_size_threshold = conf.vec_box_size_threshold; - let type_complexity_threshold = conf.type_complexity_threshold; - store.register_late_pass(move || box types::Types::new(vec_box_size_threshold, type_complexity_threshold)); - store.register_late_pass(|| box booleans::NonminimalBool); - store.register_late_pass(|| box needless_bitwise_bool::NeedlessBitwiseBool); - store.register_late_pass(|| box eq_op::EqOp); - store.register_late_pass(|| box enum_clike::UnportableVariant); - store.register_late_pass(|| box float_literal::FloatLiteral); - let verbose_bit_mask_threshold = conf.verbose_bit_mask_threshold; - store.register_late_pass(move || box bit_mask::BitMask::new(verbose_bit_mask_threshold)); - store.register_late_pass(|| box ptr::Ptr); - store.register_late_pass(|| box ptr_eq::PtrEq); - store.register_late_pass(|| box needless_bool::NeedlessBool); - store.register_late_pass(|| box needless_bool::BoolComparison); - store.register_late_pass(|| box needless_for_each::NeedlessForEach); - store.register_late_pass(|| box approx_const::ApproxConstant); - store.register_late_pass(|| box misc::MiscLints); - store.register_late_pass(|| box eta_reduction::EtaReduction); - store.register_late_pass(|| box identity_op::IdentityOp); - store.register_late_pass(|| box erasing_op::ErasingOp); - store.register_late_pass(|| box mut_mut::MutMut); - store.register_late_pass(|| box mut_reference::UnnecessaryMutPassed); - store.register_late_pass(|| box len_zero::LenZero); - store.register_late_pass(|| box attrs::Attributes); - store.register_late_pass(|| box blocks_in_if_conditions::BlocksInIfConditions); - store.register_late_pass(|| box collapsible_match::CollapsibleMatch); - store.register_late_pass(|| box unicode::Unicode); - store.register_late_pass(|| box unit_return_expecting_ord::UnitReturnExpectingOrd); - store.register_late_pass(|| box strings::StringAdd); - store.register_late_pass(|| box implicit_return::ImplicitReturn); - store.register_late_pass(|| box implicit_saturating_sub::ImplicitSaturatingSub); - store.register_late_pass(|| box default_numeric_fallback::DefaultNumericFallback); - store.register_late_pass(|| box inconsistent_struct_constructor::InconsistentStructConstructor); - store.register_late_pass(|| box non_octal_unix_permissions::NonOctalUnixPermissions); - store.register_early_pass(|| box unnecessary_self_imports::UnnecessarySelfImports); - - let msrv = conf.msrv.as_ref().and_then(|s| { - parse_msrv(s, None, None).or_else(|| { - sess.err(&format!("error reading Clippy's configuration file. `{}` is not a valid Rust version", s)); - None - }) - }); - - store.register_late_pass(move || box methods::Methods::new(msrv)); - store.register_late_pass(move || box matches::Matches::new(msrv)); - store.register_early_pass(move || box manual_non_exhaustive::ManualNonExhaustive::new(msrv)); - store.register_late_pass(move || box manual_strip::ManualStrip::new(msrv)); - store.register_early_pass(move || box redundant_static_lifetimes::RedundantStaticLifetimes::new(msrv)); - store.register_early_pass(move || box redundant_field_names::RedundantFieldNames::new(msrv)); - store.register_late_pass(move || box checked_conversions::CheckedConversions::new(msrv)); - store.register_late_pass(move || box mem_replace::MemReplace::new(msrv)); - store.register_late_pass(move || box ranges::Ranges::new(msrv)); - store.register_late_pass(move || box from_over_into::FromOverInto::new(msrv)); - store.register_late_pass(move || box use_self::UseSelf::new(msrv)); - store.register_late_pass(move || box missing_const_for_fn::MissingConstForFn::new(msrv)); - store.register_late_pass(move || box needless_question_mark::NeedlessQuestionMark); - store.register_late_pass(move || box casts::Casts::new(msrv)); - store.register_early_pass(move || box unnested_or_patterns::UnnestedOrPatterns::new(msrv)); - - store.register_late_pass(|| box size_of_in_element_count::SizeOfInElementCount); - store.register_late_pass(|| box map_clone::MapClone); - store.register_late_pass(|| box map_err_ignore::MapErrIgnore); - store.register_late_pass(|| box shadow::Shadow); - store.register_late_pass(|| box unit_types::UnitTypes); - store.register_late_pass(|| box loops::Loops); - store.register_late_pass(|| box main_recursion::MainRecursion::default()); - store.register_late_pass(|| box lifetimes::Lifetimes); - store.register_late_pass(|| box entry::HashMapPass); - store.register_late_pass(|| box minmax::MinMaxPass); - store.register_late_pass(|| box open_options::OpenOptions); - store.register_late_pass(|| box zero_div_zero::ZeroDiv); - store.register_late_pass(|| box mutex_atomic::Mutex); - store.register_late_pass(|| box needless_update::NeedlessUpdate); - store.register_late_pass(|| box needless_borrow::NeedlessBorrow::default()); - store.register_late_pass(|| box needless_borrowed_ref::NeedlessBorrowedRef); - store.register_late_pass(|| box no_effect::NoEffect); - store.register_late_pass(|| box temporary_assignment::TemporaryAssignment); - store.register_late_pass(|| box transmute::Transmute); - let cognitive_complexity_threshold = conf.cognitive_complexity_threshold; - store.register_late_pass(move || box cognitive_complexity::CognitiveComplexity::new(cognitive_complexity_threshold)); - let too_large_for_stack = conf.too_large_for_stack; - store.register_late_pass(move || box escape::BoxedLocal{too_large_for_stack}); - store.register_late_pass(move || box vec::UselessVec{too_large_for_stack}); - store.register_late_pass(|| box panic_unimplemented::PanicUnimplemented); - store.register_late_pass(|| box strings::StringLitAsBytes); - store.register_late_pass(|| box derive::Derive); - store.register_late_pass(|| box get_last_with_len::GetLastWithLen); - store.register_late_pass(|| box drop_forget_ref::DropForgetRef); - store.register_late_pass(|| box empty_enum::EmptyEnum); - store.register_late_pass(|| box absurd_extreme_comparisons::AbsurdExtremeComparisons); - store.register_late_pass(|| box invalid_upcast_comparisons::InvalidUpcastComparisons); - store.register_late_pass(|| box regex::Regex::default()); - store.register_late_pass(|| box copies::CopyAndPaste); - store.register_late_pass(|| box copy_iterator::CopyIterator); - store.register_late_pass(|| box format::UselessFormat); - store.register_late_pass(|| box swap::Swap); - store.register_late_pass(|| box overflow_check_conditional::OverflowCheckConditional); - store.register_late_pass(|| box new_without_default::NewWithoutDefault::default()); - let blacklisted_names = conf.blacklisted_names.iter().cloned().collect::<FxHashSet<_>>(); - store.register_late_pass(move || box blacklisted_name::BlacklistedName::new(blacklisted_names.clone())); - let too_many_arguments_threshold = conf.too_many_arguments_threshold; - let too_many_lines_threshold = conf.too_many_lines_threshold; - store.register_late_pass(move || box functions::Functions::new(too_many_arguments_threshold, too_many_lines_threshold)); - let doc_valid_idents = conf.doc_valid_idents.iter().cloned().collect::<FxHashSet<_>>(); - store.register_late_pass(move || box doc::DocMarkdown::new(doc_valid_idents.clone())); - store.register_late_pass(|| box neg_multiply::NegMultiply); - store.register_late_pass(|| box mem_discriminant::MemDiscriminant); - store.register_late_pass(|| box mem_forget::MemForget); - store.register_late_pass(|| box arithmetic::Arithmetic::default()); - store.register_late_pass(|| box assign_ops::AssignOps); - store.register_late_pass(|| box let_if_seq::LetIfSeq); - store.register_late_pass(|| box eval_order_dependence::EvalOrderDependence); - store.register_late_pass(|| box missing_doc::MissingDoc::new()); - store.register_late_pass(|| box missing_inline::MissingInline); - store.register_late_pass(move || box exhaustive_items::ExhaustiveItems); - store.register_late_pass(|| box if_let_some_result::OkIfLet); - store.register_late_pass(|| box partialeq_ne_impl::PartialEqNeImpl); - store.register_late_pass(|| box unused_io_amount::UnusedIoAmount); - let enum_variant_size_threshold = conf.enum_variant_size_threshold; - store.register_late_pass(move || box large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold)); - store.register_late_pass(|| box explicit_write::ExplicitWrite); - store.register_late_pass(|| box needless_pass_by_value::NeedlessPassByValue); - let pass_by_ref_or_value = pass_by_ref_or_value::PassByRefOrValue::new( - conf.trivial_copy_size_limit, - conf.pass_by_value_size_limit, - &sess.target, - ); - store.register_late_pass(move || box pass_by_ref_or_value); - store.register_late_pass(|| box ref_option_ref::RefOptionRef); - store.register_late_pass(|| box try_err::TryErr); - store.register_late_pass(|| box bytecount::ByteCount); - store.register_late_pass(|| box infinite_iter::InfiniteIter); - store.register_late_pass(|| box inline_fn_without_body::InlineFnWithoutBody); - store.register_late_pass(|| box useless_conversion::UselessConversion::default()); - store.register_late_pass(|| box implicit_hasher::ImplicitHasher); - store.register_late_pass(|| box fallible_impl_from::FallibleImplFrom); - store.register_late_pass(|| box double_comparison::DoubleComparisons); - store.register_late_pass(|| box question_mark::QuestionMark); - store.register_early_pass(|| box suspicious_operation_groupings::SuspiciousOperationGroupings); - store.register_late_pass(|| box suspicious_trait_impl::SuspiciousImpl); - store.register_late_pass(|| box map_unit_fn::MapUnit); - store.register_late_pass(|| box inherent_impl::MultipleInherentImpl); - store.register_late_pass(|| box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd); - store.register_late_pass(|| box unwrap::Unwrap); - store.register_late_pass(|| box duration_subsec::DurationSubsec); - store.register_late_pass(|| box indexing_slicing::IndexingSlicing); - store.register_late_pass(|| box non_copy_const::NonCopyConst); - store.register_late_pass(|| box ptr_offset_with_cast::PtrOffsetWithCast); - store.register_late_pass(|| box redundant_clone::RedundantClone); - store.register_late_pass(|| box slow_vector_initialization::SlowVectorInit); - store.register_late_pass(|| box unnecessary_sort_by::UnnecessarySortBy); - store.register_late_pass(|| box unnecessary_wraps::UnnecessaryWraps); - store.register_late_pass(|| box assertions_on_constants::AssertionsOnConstants); - store.register_late_pass(|| box transmuting_null::TransmutingNull); - store.register_late_pass(|| box path_buf_push_overwrite::PathBufPushOverwrite); - store.register_late_pass(|| box integer_division::IntegerDivision); - store.register_late_pass(|| box inherent_to_string::InherentToString); - let max_trait_bounds = conf.max_trait_bounds; - store.register_late_pass(move || box trait_bounds::TraitBounds::new(max_trait_bounds)); - store.register_late_pass(|| box comparison_chain::ComparisonChain); - store.register_late_pass(|| box mut_key::MutableKeyType); - store.register_late_pass(|| box modulo_arithmetic::ModuloArithmetic); - store.register_early_pass(|| box reference::DerefAddrOf); - store.register_early_pass(|| box reference::RefInDeref); - store.register_early_pass(|| box double_parens::DoubleParens); - store.register_late_pass(|| box to_string_in_display::ToStringInDisplay::new()); - store.register_early_pass(|| box unsafe_removed_from_name::UnsafeNameRemoval); - store.register_early_pass(|| box if_not_else::IfNotElse); - store.register_early_pass(|| box else_if_without_else::ElseIfWithoutElse); - store.register_early_pass(|| box int_plus_one::IntPlusOne); - store.register_early_pass(|| box formatting::Formatting); - store.register_early_pass(|| box misc_early::MiscEarlyLints); - store.register_early_pass(|| box redundant_closure_call::RedundantClosureCall); - store.register_late_pass(|| box redundant_closure_call::RedundantClosureCall); - store.register_early_pass(|| box unused_unit::UnusedUnit); - store.register_late_pass(|| box returns::Return); - store.register_early_pass(|| box collapsible_if::CollapsibleIf); - store.register_early_pass(|| box items_after_statements::ItemsAfterStatements); - store.register_early_pass(|| box precedence::Precedence); - store.register_early_pass(|| box needless_continue::NeedlessContinue); - store.register_early_pass(|| box redundant_else::RedundantElse); - store.register_late_pass(|| box create_dir::CreateDir); - store.register_early_pass(|| box needless_arbitrary_self_type::NeedlessArbitrarySelfType); - let cargo_ignore_publish = conf.cargo_ignore_publish; - store.register_late_pass(move || box cargo_common_metadata::CargoCommonMetadata::new(cargo_ignore_publish)); - store.register_late_pass(|| box multiple_crate_versions::MultipleCrateVersions); - store.register_late_pass(|| box wildcard_dependencies::WildcardDependencies); - let literal_representation_lint_fraction_readability = conf.unreadable_literal_lint_fractions; - store.register_early_pass(move || box literal_representation::LiteralDigitGrouping::new(literal_representation_lint_fraction_readability)); - let literal_representation_threshold = conf.literal_representation_threshold; - store.register_early_pass(move || box literal_representation::DecimalLiteralRepresentation::new(literal_representation_threshold)); - let enum_variant_name_threshold = conf.enum_variant_name_threshold; - store.register_early_pass(move || box enum_variants::EnumVariantNames::new(enum_variant_name_threshold)); - store.register_early_pass(|| box tabs_in_doc_comments::TabsInDocComments); - let upper_case_acronyms_aggressive = conf.upper_case_acronyms_aggressive; - store.register_early_pass(move || box upper_case_acronyms::UpperCaseAcronyms::new(upper_case_acronyms_aggressive)); - store.register_late_pass(|| box default::Default::default()); - store.register_late_pass(|| box unused_self::UnusedSelf); - store.register_late_pass(|| box mutable_debug_assertion::DebugAssertWithMutCall); - store.register_late_pass(|| box exit::Exit); - store.register_late_pass(|| box to_digit_is_some::ToDigitIsSome); - let array_size_threshold = conf.array_size_threshold; - store.register_late_pass(move || box large_stack_arrays::LargeStackArrays::new(array_size_threshold)); - store.register_late_pass(move || box large_const_arrays::LargeConstArrays::new(array_size_threshold)); - store.register_late_pass(|| box floating_point_arithmetic::FloatingPointArithmetic); - store.register_early_pass(|| box as_conversions::AsConversions); - store.register_late_pass(|| box let_underscore::LetUnderscore); - store.register_late_pass(|| box atomic_ordering::AtomicOrdering); - store.register_early_pass(|| box single_component_path_imports::SingleComponentPathImports); - let max_fn_params_bools = conf.max_fn_params_bools; - let max_struct_bools = conf.max_struct_bools; - store.register_early_pass(move || box excessive_bools::ExcessiveBools::new(max_struct_bools, max_fn_params_bools)); - store.register_early_pass(|| box option_env_unwrap::OptionEnvUnwrap); - let warn_on_all_wildcard_imports = conf.warn_on_all_wildcard_imports; - store.register_late_pass(move || box wildcard_imports::WildcardImports::new(warn_on_all_wildcard_imports)); - store.register_late_pass(|| box verbose_file_reads::VerboseFileReads); - store.register_late_pass(|| box redundant_pub_crate::RedundantPubCrate::default()); - store.register_late_pass(|| box unnamed_address::UnnamedAddress); - store.register_late_pass(|| box dereference::Dereferencing::default()); - store.register_late_pass(|| box option_if_let_else::OptionIfLetElse); - store.register_late_pass(|| box future_not_send::FutureNotSend); - store.register_late_pass(|| box if_let_mutex::IfLetMutex); - store.register_late_pass(|| box mut_mutex_lock::MutMutexLock); - store.register_late_pass(|| box match_on_vec_items::MatchOnVecItems); - store.register_late_pass(|| box manual_async_fn::ManualAsyncFn); - store.register_late_pass(|| box vec_resize_to_zero::VecResizeToZero); - store.register_late_pass(|| box panic_in_result_fn::PanicInResultFn); - let single_char_binding_names_threshold = conf.single_char_binding_names_threshold; - store.register_early_pass(move || box non_expressive_names::NonExpressiveNames { - single_char_binding_names_threshold, - }); - store.register_late_pass(|| box macro_use::MacroUseImports::default()); - store.register_late_pass(|| box map_identity::MapIdentity); - store.register_late_pass(|| box pattern_type_mismatch::PatternTypeMismatch); - store.register_late_pass(|| box stable_sort_primitive::StableSortPrimitive); - store.register_late_pass(|| box repeat_once::RepeatOnce); - store.register_late_pass(|| box unwrap_in_result::UnwrapInResult); - store.register_late_pass(|| box self_assignment::SelfAssignment); - store.register_late_pass(|| box manual_unwrap_or::ManualUnwrapOr); - store.register_late_pass(|| box manual_ok_or::ManualOkOr); - store.register_late_pass(|| box float_equality_without_abs::FloatEqualityWithoutAbs); - store.register_late_pass(|| box semicolon_if_nothing_returned::SemicolonIfNothingReturned); - store.register_late_pass(|| box async_yields_async::AsyncYieldsAsync); - let disallowed_methods = conf.disallowed_methods.iter().cloned().collect::<FxHashSet<_>>(); - store.register_late_pass(move || box disallowed_method::DisallowedMethod::new(&disallowed_methods)); - store.register_early_pass(|| box asm_syntax::InlineAsmX86AttSyntax); - store.register_early_pass(|| box asm_syntax::InlineAsmX86IntelSyntax); - store.register_late_pass(|| box undropped_manually_drops::UndroppedManuallyDrops); - store.register_late_pass(|| box strings::StrToString); - store.register_late_pass(|| box strings::StringToString); - store.register_late_pass(|| box zero_sized_map_values::ZeroSizedMapValues); - store.register_late_pass(|| box vec_init_then_push::VecInitThenPush::default()); - store.register_late_pass(|| box case_sensitive_file_extension_comparisons::CaseSensitiveFileExtensionComparisons); - store.register_late_pass(|| box redundant_slicing::RedundantSlicing); - store.register_late_pass(|| box from_str_radix_10::FromStrRadix10); - store.register_late_pass(|| box manual_map::ManualMap); - store.register_late_pass(move || box if_then_some_else_none::IfThenSomeElseNone::new(msrv)); - store.register_early_pass(|| box bool_assert_comparison::BoolAssertComparison); - store.register_late_pass(|| box unused_async::UnusedAsync); - store.register_group(true, "clippy::restriction", Some("clippy_restriction"), vec![ LintId::of(arithmetic::FLOAT_ARITHMETIC), LintId::of(arithmetic::INTEGER_ARITHMETIC), @@ -1310,7 +1010,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(methods::FILETYPE_IS_FILE), LintId::of(methods::GET_UNWRAP), LintId::of(methods::UNWRAP_USED), - LintId::of(methods::WRONG_PUB_SELF_CONVENTION), LintId::of(misc::FLOAT_CMP_CONST), LintId::of(misc_early::UNNEEDED_FIELD_PATTERN), LintId::of(missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS), @@ -1322,7 +1021,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(panic_unimplemented::UNIMPLEMENTED), LintId::of(panic_unimplemented::UNREACHABLE), LintId::of(pattern_type_mismatch::PATTERN_TYPE_MISMATCH), - LintId::of(semicolon_if_nothing_returned::SEMICOLON_IF_NOTHING_RETURNED), LintId::of(shadow::SHADOW_REUSE), LintId::of(shadow::SHADOW_SAME), LintId::of(strings::STRING_ADD), @@ -1363,7 +1061,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(doc::MISSING_PANICS_DOC), LintId::of(empty_enum::EMPTY_ENUM), LintId::of(enum_variants::MODULE_NAME_REPETITIONS), - LintId::of(enum_variants::PUB_ENUM_VARIANT_NAMES), LintId::of(eta_reduction::REDUNDANT_CLOSURE_FOR_METHOD_CALLS), LintId::of(excessive_bools::FN_PARAMS_EXCESSIVE_BOOLS), LintId::of(excessive_bools::STRUCT_EXCESSIVE_BOOLS), @@ -1401,6 +1098,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(misc_early::UNSEPARATED_LITERAL_SUFFIX), LintId::of(mut_mut::MUT_MUT), LintId::of(needless_bitwise_bool::NEEDLESS_BITWISE_BOOL), + LintId::of(needless_borrow::REF_BINDING_TO_REFERENCE), LintId::of(needless_continue::NEEDLESS_CONTINUE), LintId::of(needless_for_each::NEEDLESS_FOR_EACH), LintId::of(needless_pass_by_value::NEEDLESS_PASS_BY_VALUE), @@ -1412,6 +1110,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(ranges::RANGE_PLUS_ONE), LintId::of(redundant_else::REDUNDANT_ELSE), LintId::of(ref_option_ref::REF_OPTION_REF), + LintId::of(semicolon_if_nothing_returned::SEMICOLON_IF_NOTHING_RETURNED), LintId::of(shadow::SHADOW_UNRELATED), LintId::of(strings::STRING_ADD_ASSIGN), LintId::of(trait_bounds::TRAIT_DUPLICATION_IN_BOUNDS), @@ -1600,6 +1299,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(methods::MANUAL_FILTER_MAP), LintId::of(methods::MANUAL_FIND_MAP), LintId::of(methods::MANUAL_SATURATING_ARITHMETIC), + LintId::of(methods::MANUAL_STR_REPEAT), LintId::of(methods::MAP_COLLECT_RESULT_UNIT), LintId::of(methods::NEW_RET_NO_SELF), LintId::of(methods::OK_EXPECT), @@ -1615,6 +1315,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(methods::SKIP_WHILE_NEXT), LintId::of(methods::STRING_EXTEND_CHARS), LintId::of(methods::SUSPICIOUS_MAP), + LintId::of(methods::SUSPICIOUS_SPLITN), LintId::of(methods::UNINIT_ASSUMED_INIT), LintId::of(methods::UNNECESSARY_FILTER_MAP), LintId::of(methods::UNNECESSARY_FOLD), @@ -1644,6 +1345,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(needless_arbitrary_self_type::NEEDLESS_ARBITRARY_SELF_TYPE), LintId::of(needless_bool::BOOL_COMPARISON), LintId::of(needless_bool::NEEDLESS_BOOL), + LintId::of(needless_borrow::NEEDLESS_BORROW), LintId::of(needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE), LintId::of(needless_question_mark::NEEDLESS_QUESTION_MARK), LintId::of(needless_update::NEEDLESS_UPDATE), @@ -1690,7 +1392,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(slow_vector_initialization::SLOW_VECTOR_INITIALIZATION), LintId::of(stable_sort_primitive::STABLE_SORT_PRIMITIVE), LintId::of(strings::STRING_FROM_UTF8_AS_BYTES), - LintId::of(suspicious_operation_groupings::SUSPICIOUS_OPERATION_GROUPINGS), LintId::of(suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL), LintId::of(suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL), LintId::of(swap::ALMOST_SWAPPED), @@ -1827,6 +1528,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(misc_early::REDUNDANT_PATTERN), LintId::of(mut_mutex_lock::MUT_MUTEX_LOCK), LintId::of(mut_reference::UNNECESSARY_MUT_PASSED), + LintId::of(needless_borrow::NEEDLESS_BORROW), LintId::of(neg_multiply::NEG_MULTIPLY), LintId::of(new_without_default::NEW_WITHOUT_DEFAULT), LintId::of(non_copy_const::BORROW_INTERIOR_MUTABLE_CONST), @@ -1843,7 +1545,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(returns::LET_AND_RETURN), LintId::of(returns::NEEDLESS_RETURN), LintId::of(single_component_path_imports::SINGLE_COMPONENT_PATH_IMPORTS), - LintId::of(suspicious_operation_groupings::SUSPICIOUS_OPERATION_GROUPINGS), LintId::of(tabs_in_doc_comments::TABS_IN_DOC_COMMENTS), LintId::of(to_digit_is_some::TO_DIGIT_IS_SOME), LintId::of(try_err::TRY_ERR), @@ -1991,6 +1692,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(mem_replace::MEM_REPLACE_WITH_UNINIT), LintId::of(methods::CLONE_DOUBLE_REF), LintId::of(methods::ITERATOR_STEP_BY_ZERO), + LintId::of(methods::SUSPICIOUS_SPLITN), LintId::of(methods::UNINIT_ASSUMED_INIT), LintId::of(methods::ZST_OFFSET), LintId::of(minmax::MIN_MAX), @@ -2035,6 +1737,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(loops::NEEDLESS_COLLECT), LintId::of(methods::EXPECT_FUN_CALL), LintId::of(methods::ITER_NTH), + LintId::of(methods::MANUAL_STR_REPEAT), LintId::of(methods::OR_FUN_CALL), LintId::of(methods::SINGLE_CHAR_PATTERN), LintId::of(misc::CMP_OWNED), @@ -2066,14 +1769,304 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: LintId::of(missing_const_for_fn::MISSING_CONST_FOR_FN), LintId::of(mutable_debug_assertion::DEBUG_ASSERT_WITH_MUT_CALL), LintId::of(mutex_atomic::MUTEX_INTEGER), - LintId::of(needless_borrow::NEEDLESS_BORROW), LintId::of(path_buf_push_overwrite::PATH_BUF_PUSH_OVERWRITE), LintId::of(redundant_pub_crate::REDUNDANT_PUB_CRATE), LintId::of(regex::TRIVIAL_REGEX), LintId::of(strings::STRING_LIT_AS_BYTES), + LintId::of(suspicious_operation_groupings::SUSPICIOUS_OPERATION_GROUPINGS), LintId::of(transmute::USELESS_TRANSMUTE), LintId::of(use_self::USE_SELF), ]); + + #[cfg(feature = "metadata-collector-lint")] + { + if std::env::var("ENABLE_METADATA_COLLECTION").eq(&Ok("1".to_string())) { + store.register_late_pass(|| box utils::internal_lints::metadata_collector::MetadataCollector::new()); + return; + } + } + + // all the internal lints + #[cfg(feature = "internal-lints")] + { + store.register_early_pass(|| box utils::internal_lints::ClippyLintsInternal); + store.register_early_pass(|| box utils::internal_lints::ProduceIce); + store.register_late_pass(|| box utils::inspector::DeepCodeInspector); + store.register_late_pass(|| box utils::internal_lints::CollapsibleCalls); + store.register_late_pass(|| box utils::internal_lints::CompilerLintFunctions::new()); + store.register_late_pass(|| box utils::internal_lints::IfChainStyle); + store.register_late_pass(|| box utils::internal_lints::InvalidPaths); + store.register_late_pass(|| box utils::internal_lints::InterningDefinedSymbol::default()); + store.register_late_pass(|| box utils::internal_lints::LintWithoutLintPass::default()); + store.register_late_pass(|| box utils::internal_lints::MatchTypeOnDiagItem); + store.register_late_pass(|| box utils::internal_lints::OuterExpnDataPass); + } + + store.register_late_pass(|| box utils::author::Author); + store.register_late_pass(|| box await_holding_invalid::AwaitHolding); + store.register_late_pass(|| box serde_api::SerdeApi); + let vec_box_size_threshold = conf.vec_box_size_threshold; + let type_complexity_threshold = conf.type_complexity_threshold; + store.register_late_pass(move || box types::Types::new(vec_box_size_threshold, type_complexity_threshold)); + store.register_late_pass(|| box booleans::NonminimalBool); + store.register_late_pass(|| box needless_bitwise_bool::NeedlessBitwiseBool); + store.register_late_pass(|| box eq_op::EqOp); + store.register_late_pass(|| box enum_clike::UnportableVariant); + store.register_late_pass(|| box float_literal::FloatLiteral); + let verbose_bit_mask_threshold = conf.verbose_bit_mask_threshold; + store.register_late_pass(move || box bit_mask::BitMask::new(verbose_bit_mask_threshold)); + store.register_late_pass(|| box ptr::Ptr); + store.register_late_pass(|| box ptr_eq::PtrEq); + store.register_late_pass(|| box needless_bool::NeedlessBool); + store.register_late_pass(|| box needless_bool::BoolComparison); + store.register_late_pass(|| box needless_for_each::NeedlessForEach); + store.register_late_pass(|| box approx_const::ApproxConstant); + store.register_late_pass(|| box misc::MiscLints); + store.register_late_pass(|| box eta_reduction::EtaReduction); + store.register_late_pass(|| box identity_op::IdentityOp); + store.register_late_pass(|| box erasing_op::ErasingOp); + store.register_late_pass(|| box mut_mut::MutMut); + store.register_late_pass(|| box mut_reference::UnnecessaryMutPassed); + store.register_late_pass(|| box len_zero::LenZero); + store.register_late_pass(|| box attrs::Attributes); + store.register_late_pass(|| box blocks_in_if_conditions::BlocksInIfConditions); + store.register_late_pass(|| box collapsible_match::CollapsibleMatch); + store.register_late_pass(|| box unicode::Unicode); + store.register_late_pass(|| box unit_return_expecting_ord::UnitReturnExpectingOrd); + store.register_late_pass(|| box strings::StringAdd); + store.register_late_pass(|| box implicit_return::ImplicitReturn); + store.register_late_pass(|| box implicit_saturating_sub::ImplicitSaturatingSub); + store.register_late_pass(|| box default_numeric_fallback::DefaultNumericFallback); + store.register_late_pass(|| box inconsistent_struct_constructor::InconsistentStructConstructor); + store.register_late_pass(|| box non_octal_unix_permissions::NonOctalUnixPermissions); + store.register_early_pass(|| box unnecessary_self_imports::UnnecessarySelfImports); + + let msrv = conf.msrv.as_ref().and_then(|s| { + parse_msrv(s, None, None).or_else(|| { + sess.err(&format!("error reading Clippy's configuration file. `{}` is not a valid Rust version", s)); + None + }) + }); + + let avoid_breaking_exported_api = conf.avoid_breaking_exported_api; + store.register_late_pass(move || box methods::Methods::new(avoid_breaking_exported_api, msrv)); + store.register_late_pass(move || box matches::Matches::new(msrv)); + store.register_early_pass(move || box manual_non_exhaustive::ManualNonExhaustive::new(msrv)); + store.register_late_pass(move || box manual_strip::ManualStrip::new(msrv)); + store.register_early_pass(move || box redundant_static_lifetimes::RedundantStaticLifetimes::new(msrv)); + store.register_early_pass(move || box redundant_field_names::RedundantFieldNames::new(msrv)); + store.register_late_pass(move || box checked_conversions::CheckedConversions::new(msrv)); + store.register_late_pass(move || box mem_replace::MemReplace::new(msrv)); + store.register_late_pass(move || box ranges::Ranges::new(msrv)); + store.register_late_pass(move || box from_over_into::FromOverInto::new(msrv)); + store.register_late_pass(move || box use_self::UseSelf::new(msrv)); + store.register_late_pass(move || box missing_const_for_fn::MissingConstForFn::new(msrv)); + store.register_late_pass(move || box needless_question_mark::NeedlessQuestionMark); + store.register_late_pass(move || box casts::Casts::new(msrv)); + store.register_early_pass(move || box unnested_or_patterns::UnnestedOrPatterns::new(msrv)); + + store.register_late_pass(|| box size_of_in_element_count::SizeOfInElementCount); + store.register_late_pass(|| box map_clone::MapClone); + store.register_late_pass(|| box map_err_ignore::MapErrIgnore); + store.register_late_pass(|| box shadow::Shadow); + store.register_late_pass(|| box unit_types::UnitTypes); + store.register_late_pass(|| box loops::Loops); + store.register_late_pass(|| box main_recursion::MainRecursion::default()); + store.register_late_pass(|| box lifetimes::Lifetimes); + store.register_late_pass(|| box entry::HashMapPass); + store.register_late_pass(|| box minmax::MinMaxPass); + store.register_late_pass(|| box open_options::OpenOptions); + store.register_late_pass(|| box zero_div_zero::ZeroDiv); + store.register_late_pass(|| box mutex_atomic::Mutex); + store.register_late_pass(|| box needless_update::NeedlessUpdate); + store.register_late_pass(|| box needless_borrow::NeedlessBorrow::default()); + store.register_late_pass(|| box needless_borrowed_ref::NeedlessBorrowedRef); + store.register_late_pass(|| box no_effect::NoEffect); + store.register_late_pass(|| box temporary_assignment::TemporaryAssignment); + store.register_late_pass(|| box transmute::Transmute); + let cognitive_complexity_threshold = conf.cognitive_complexity_threshold; + store.register_late_pass(move || box cognitive_complexity::CognitiveComplexity::new(cognitive_complexity_threshold)); + let too_large_for_stack = conf.too_large_for_stack; + store.register_late_pass(move || box escape::BoxedLocal{too_large_for_stack}); + store.register_late_pass(move || box vec::UselessVec{too_large_for_stack}); + store.register_late_pass(|| box panic_unimplemented::PanicUnimplemented); + store.register_late_pass(|| box strings::StringLitAsBytes); + store.register_late_pass(|| box derive::Derive); + store.register_late_pass(|| box get_last_with_len::GetLastWithLen); + store.register_late_pass(|| box drop_forget_ref::DropForgetRef); + store.register_late_pass(|| box empty_enum::EmptyEnum); + store.register_late_pass(|| box absurd_extreme_comparisons::AbsurdExtremeComparisons); + store.register_late_pass(|| box invalid_upcast_comparisons::InvalidUpcastComparisons); + store.register_late_pass(|| box regex::Regex::default()); + store.register_late_pass(|| box copies::CopyAndPaste); + store.register_late_pass(|| box copy_iterator::CopyIterator); + store.register_late_pass(|| box format::UselessFormat); + store.register_late_pass(|| box swap::Swap); + store.register_late_pass(|| box overflow_check_conditional::OverflowCheckConditional); + store.register_late_pass(|| box new_without_default::NewWithoutDefault::default()); + let blacklisted_names = conf.blacklisted_names.iter().cloned().collect::<FxHashSet<_>>(); + store.register_late_pass(move || box blacklisted_name::BlacklistedName::new(blacklisted_names.clone())); + let too_many_arguments_threshold = conf.too_many_arguments_threshold; + let too_many_lines_threshold = conf.too_many_lines_threshold; + store.register_late_pass(move || box functions::Functions::new(too_many_arguments_threshold, too_many_lines_threshold)); + let doc_valid_idents = conf.doc_valid_idents.iter().cloned().collect::<FxHashSet<_>>(); + store.register_late_pass(move || box doc::DocMarkdown::new(doc_valid_idents.clone())); + store.register_late_pass(|| box neg_multiply::NegMultiply); + store.register_late_pass(|| box mem_discriminant::MemDiscriminant); + store.register_late_pass(|| box mem_forget::MemForget); + store.register_late_pass(|| box arithmetic::Arithmetic::default()); + store.register_late_pass(|| box assign_ops::AssignOps); + store.register_late_pass(|| box let_if_seq::LetIfSeq); + store.register_late_pass(|| box eval_order_dependence::EvalOrderDependence); + store.register_late_pass(|| box missing_doc::MissingDoc::new()); + store.register_late_pass(|| box missing_inline::MissingInline); + store.register_late_pass(move || box exhaustive_items::ExhaustiveItems); + store.register_late_pass(|| box if_let_some_result::OkIfLet); + store.register_late_pass(|| box partialeq_ne_impl::PartialEqNeImpl); + store.register_late_pass(|| box unused_io_amount::UnusedIoAmount); + let enum_variant_size_threshold = conf.enum_variant_size_threshold; + store.register_late_pass(move || box large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold)); + store.register_late_pass(|| box explicit_write::ExplicitWrite); + store.register_late_pass(|| box needless_pass_by_value::NeedlessPassByValue); + let pass_by_ref_or_value = pass_by_ref_or_value::PassByRefOrValue::new( + conf.trivial_copy_size_limit, + conf.pass_by_value_size_limit, + conf.avoid_breaking_exported_api, + &sess.target, + ); + store.register_late_pass(move || box pass_by_ref_or_value); + store.register_late_pass(|| box ref_option_ref::RefOptionRef); + store.register_late_pass(|| box try_err::TryErr); + store.register_late_pass(|| box bytecount::ByteCount); + store.register_late_pass(|| box infinite_iter::InfiniteIter); + store.register_late_pass(|| box inline_fn_without_body::InlineFnWithoutBody); + store.register_late_pass(|| box useless_conversion::UselessConversion::default()); + store.register_late_pass(|| box implicit_hasher::ImplicitHasher); + store.register_late_pass(|| box fallible_impl_from::FallibleImplFrom); + store.register_late_pass(|| box double_comparison::DoubleComparisons); + store.register_late_pass(|| box question_mark::QuestionMark); + store.register_early_pass(|| box suspicious_operation_groupings::SuspiciousOperationGroupings); + store.register_late_pass(|| box suspicious_trait_impl::SuspiciousImpl); + store.register_late_pass(|| box map_unit_fn::MapUnit); + store.register_late_pass(|| box inherent_impl::MultipleInherentImpl); + store.register_late_pass(|| box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd); + store.register_late_pass(|| box unwrap::Unwrap); + store.register_late_pass(|| box duration_subsec::DurationSubsec); + store.register_late_pass(|| box indexing_slicing::IndexingSlicing); + store.register_late_pass(|| box non_copy_const::NonCopyConst); + store.register_late_pass(|| box ptr_offset_with_cast::PtrOffsetWithCast); + store.register_late_pass(|| box redundant_clone::RedundantClone); + store.register_late_pass(|| box slow_vector_initialization::SlowVectorInit); + store.register_late_pass(|| box unnecessary_sort_by::UnnecessarySortBy); + store.register_late_pass(move || box unnecessary_wraps::UnnecessaryWraps::new(avoid_breaking_exported_api)); + store.register_late_pass(|| box assertions_on_constants::AssertionsOnConstants); + store.register_late_pass(|| box transmuting_null::TransmutingNull); + store.register_late_pass(|| box path_buf_push_overwrite::PathBufPushOverwrite); + store.register_late_pass(|| box integer_division::IntegerDivision); + store.register_late_pass(|| box inherent_to_string::InherentToString); + let max_trait_bounds = conf.max_trait_bounds; + store.register_late_pass(move || box trait_bounds::TraitBounds::new(max_trait_bounds)); + store.register_late_pass(|| box comparison_chain::ComparisonChain); + store.register_late_pass(|| box mut_key::MutableKeyType); + store.register_late_pass(|| box modulo_arithmetic::ModuloArithmetic); + store.register_early_pass(|| box reference::DerefAddrOf); + store.register_early_pass(|| box reference::RefInDeref); + store.register_early_pass(|| box double_parens::DoubleParens); + store.register_late_pass(|| box to_string_in_display::ToStringInDisplay::new()); + store.register_early_pass(|| box unsafe_removed_from_name::UnsafeNameRemoval); + store.register_early_pass(|| box if_not_else::IfNotElse); + store.register_early_pass(|| box else_if_without_else::ElseIfWithoutElse); + store.register_early_pass(|| box int_plus_one::IntPlusOne); + store.register_early_pass(|| box formatting::Formatting); + store.register_early_pass(|| box misc_early::MiscEarlyLints); + store.register_early_pass(|| box redundant_closure_call::RedundantClosureCall); + store.register_late_pass(|| box redundant_closure_call::RedundantClosureCall); + store.register_early_pass(|| box unused_unit::UnusedUnit); + store.register_late_pass(|| box returns::Return); + store.register_early_pass(|| box collapsible_if::CollapsibleIf); + store.register_early_pass(|| box items_after_statements::ItemsAfterStatements); + store.register_early_pass(|| box precedence::Precedence); + store.register_early_pass(|| box needless_continue::NeedlessContinue); + store.register_early_pass(|| box redundant_else::RedundantElse); + store.register_late_pass(|| box create_dir::CreateDir); + store.register_early_pass(|| box needless_arbitrary_self_type::NeedlessArbitrarySelfType); + let cargo_ignore_publish = conf.cargo_ignore_publish; + store.register_late_pass(move || box cargo_common_metadata::CargoCommonMetadata::new(cargo_ignore_publish)); + store.register_late_pass(|| box multiple_crate_versions::MultipleCrateVersions); + store.register_late_pass(|| box wildcard_dependencies::WildcardDependencies); + let literal_representation_lint_fraction_readability = conf.unreadable_literal_lint_fractions; + store.register_early_pass(move || box literal_representation::LiteralDigitGrouping::new(literal_representation_lint_fraction_readability)); + let literal_representation_threshold = conf.literal_representation_threshold; + store.register_early_pass(move || box literal_representation::DecimalLiteralRepresentation::new(literal_representation_threshold)); + let enum_variant_name_threshold = conf.enum_variant_name_threshold; + store.register_late_pass(move || box enum_variants::EnumVariantNames::new(enum_variant_name_threshold, avoid_breaking_exported_api)); + store.register_early_pass(|| box tabs_in_doc_comments::TabsInDocComments); + let upper_case_acronyms_aggressive = conf.upper_case_acronyms_aggressive; + store.register_late_pass(move || box upper_case_acronyms::UpperCaseAcronyms::new(avoid_breaking_exported_api, upper_case_acronyms_aggressive)); + store.register_late_pass(|| box default::Default::default()); + store.register_late_pass(|| box unused_self::UnusedSelf); + store.register_late_pass(|| box mutable_debug_assertion::DebugAssertWithMutCall); + store.register_late_pass(|| box exit::Exit); + store.register_late_pass(|| box to_digit_is_some::ToDigitIsSome); + let array_size_threshold = conf.array_size_threshold; + store.register_late_pass(move || box large_stack_arrays::LargeStackArrays::new(array_size_threshold)); + store.register_late_pass(move || box large_const_arrays::LargeConstArrays::new(array_size_threshold)); + store.register_late_pass(|| box floating_point_arithmetic::FloatingPointArithmetic); + store.register_early_pass(|| box as_conversions::AsConversions); + store.register_late_pass(|| box let_underscore::LetUnderscore); + store.register_late_pass(|| box atomic_ordering::AtomicOrdering); + store.register_early_pass(|| box single_component_path_imports::SingleComponentPathImports); + let max_fn_params_bools = conf.max_fn_params_bools; + let max_struct_bools = conf.max_struct_bools; + store.register_early_pass(move || box excessive_bools::ExcessiveBools::new(max_struct_bools, max_fn_params_bools)); + store.register_early_pass(|| box option_env_unwrap::OptionEnvUnwrap); + let warn_on_all_wildcard_imports = conf.warn_on_all_wildcard_imports; + store.register_late_pass(move || box wildcard_imports::WildcardImports::new(warn_on_all_wildcard_imports)); + store.register_late_pass(|| box verbose_file_reads::VerboseFileReads); + store.register_late_pass(|| box redundant_pub_crate::RedundantPubCrate::default()); + store.register_late_pass(|| box unnamed_address::UnnamedAddress); + store.register_late_pass(|| box dereference::Dereferencing::default()); + store.register_late_pass(|| box option_if_let_else::OptionIfLetElse); + store.register_late_pass(|| box future_not_send::FutureNotSend); + store.register_late_pass(|| box if_let_mutex::IfLetMutex); + store.register_late_pass(|| box mut_mutex_lock::MutMutexLock); + store.register_late_pass(|| box match_on_vec_items::MatchOnVecItems); + store.register_late_pass(|| box manual_async_fn::ManualAsyncFn); + store.register_late_pass(|| box vec_resize_to_zero::VecResizeToZero); + store.register_late_pass(|| box panic_in_result_fn::PanicInResultFn); + let single_char_binding_names_threshold = conf.single_char_binding_names_threshold; + store.register_early_pass(move || box non_expressive_names::NonExpressiveNames { + single_char_binding_names_threshold, + }); + store.register_late_pass(|| box macro_use::MacroUseImports::default()); + store.register_late_pass(|| box map_identity::MapIdentity); + store.register_late_pass(|| box pattern_type_mismatch::PatternTypeMismatch); + store.register_late_pass(|| box stable_sort_primitive::StableSortPrimitive); + store.register_late_pass(|| box repeat_once::RepeatOnce); + store.register_late_pass(|| box unwrap_in_result::UnwrapInResult); + store.register_late_pass(|| box self_assignment::SelfAssignment); + store.register_late_pass(|| box manual_unwrap_or::ManualUnwrapOr); + store.register_late_pass(|| box manual_ok_or::ManualOkOr); + store.register_late_pass(|| box float_equality_without_abs::FloatEqualityWithoutAbs); + store.register_late_pass(|| box semicolon_if_nothing_returned::SemicolonIfNothingReturned); + store.register_late_pass(|| box async_yields_async::AsyncYieldsAsync); + let disallowed_methods = conf.disallowed_methods.iter().cloned().collect::<FxHashSet<_>>(); + store.register_late_pass(move || box disallowed_method::DisallowedMethod::new(&disallowed_methods)); + store.register_early_pass(|| box asm_syntax::InlineAsmX86AttSyntax); + store.register_early_pass(|| box asm_syntax::InlineAsmX86IntelSyntax); + store.register_late_pass(|| box undropped_manually_drops::UndroppedManuallyDrops); + store.register_late_pass(|| box strings::StrToString); + store.register_late_pass(|| box strings::StringToString); + store.register_late_pass(|| box zero_sized_map_values::ZeroSizedMapValues); + store.register_late_pass(|| box vec_init_then_push::VecInitThenPush::default()); + store.register_late_pass(|| box case_sensitive_file_extension_comparisons::CaseSensitiveFileExtensionComparisons); + store.register_late_pass(|| box redundant_slicing::RedundantSlicing); + store.register_late_pass(|| box from_str_radix_10::FromStrRadix10); + store.register_late_pass(|| box manual_map::ManualMap); + store.register_late_pass(move || box if_then_some_else_none::IfThenSomeElseNone::new(msrv)); + store.register_early_pass(|| box bool_assert_comparison::BoolAssertComparison); + store.register_late_pass(|| box unused_async::UnusedAsync); + } #[rustfmt::skip] diff --git a/src/tools/clippy/clippy_lints/src/lifetimes.rs b/src/tools/clippy/clippy_lints/src/lifetimes.rs index 116ad072837..5ae68ba5b2f 100644 --- a/src/tools/clippy/clippy_lints/src/lifetimes.rs +++ b/src/tools/clippy/clippy_lints/src/lifetimes.rs @@ -205,7 +205,7 @@ fn could_use_elision<'tcx>( output_visitor.visit_ty(ty); } for lt in named_generics { - input_visitor.visit_generic_param(lt) + input_visitor.visit_generic_param(lt); } if input_visitor.abort() || output_visitor.abort() { @@ -463,7 +463,7 @@ impl<'tcx> Visitor<'tcx> for LifetimeChecker { // `'b` in `'a: 'b` is useless unless used elsewhere in // a non-lifetime bound if let GenericParamKind::Type { .. } = param.kind { - walk_generic_param(self, param) + walk_generic_param(self, param); } } fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> { diff --git a/src/tools/clippy/clippy_lints/src/literal_representation.rs b/src/tools/clippy/clippy_lints/src/literal_representation.rs index e93b2e36b86..e0c5578bd60 100644 --- a/src/tools/clippy/clippy_lints/src/literal_representation.rs +++ b/src/tools/clippy/clippy_lints/src/literal_representation.rs @@ -231,7 +231,7 @@ impl EarlyLintPass for LiteralDigitGrouping { } if let ExprKind::Lit(ref lit) = expr.kind { - self.check_lit(cx, lit) + self.check_lit(cx, lit); } } } @@ -294,7 +294,7 @@ impl LiteralDigitGrouping { } }; if should_warn { - warning_type.display(num_lit.format(), cx, lit.span) + warning_type.display(num_lit.format(), cx, lit.span); } } } @@ -424,7 +424,7 @@ impl EarlyLintPass for DecimalLiteralRepresentation { } if let ExprKind::Lit(ref lit) = expr.kind { - self.check_lit(cx, lit) + self.check_lit(cx, lit); } } } @@ -446,7 +446,7 @@ impl DecimalLiteralRepresentation { let hex = format!("{:#X}", val); let num_lit = NumericLiteral::new(&hex, num_lit.suffix, false); let _ = Self::do_lint(num_lit.integer).map_err(|warning_type| { - warning_type.display(num_lit.format(), cx, lit.span) + warning_type.display(num_lit.format(), cx, lit.span); }); } } diff --git a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs index ce02ad013be..f0327b5d777 100644 --- a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs @@ -43,7 +43,7 @@ pub(super) fn check(cx: &LateContext<'_>, self_arg: &Expr<'_>, arg: &Expr<'_>, m "to write this more concisely, try", format!("&{}{}", muta, object), applicability, - ) + ); } /// Returns `true` if the type of expr is one that provides `IntoIterator` impls diff --git a/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs b/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs index 1425d50f560..d07b5a93b67 100644 --- a/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs +++ b/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs @@ -88,10 +88,10 @@ impl<'tcx> Delegate<'tcx> for MutatePairDelegate<'_, 'tcx> { if let ty::BorrowKind::MutBorrow = bk { if let PlaceBase::Local(id) = cmt.place.base { if Some(id) == self.hir_id_low { - self.span_low = Some(self.cx.tcx.hir().span(diag_expr_id)) + self.span_low = Some(self.cx.tcx.hir().span(diag_expr_id)); } if Some(id) == self.hir_id_high { - self.span_high = Some(self.cx.tcx.hir().span(diag_expr_id)) + self.span_high = Some(self.cx.tcx.hir().span(diag_expr_id)); } } } @@ -100,10 +100,10 @@ impl<'tcx> Delegate<'tcx> for MutatePairDelegate<'_, 'tcx> { fn mutate(&mut self, cmt: &PlaceWithHirId<'tcx>, diag_expr_id: HirId) { if let PlaceBase::Local(id) = cmt.place.base { if Some(id) == self.hir_id_low { - self.span_low = Some(self.cx.tcx.hir().span(diag_expr_id)) + self.span_low = Some(self.cx.tcx.hir().span(diag_expr_id)); } if Some(id) == self.hir_id_high { - self.span_high = Some(self.cx.tcx.hir().span(diag_expr_id)) + self.span_high = Some(self.cx.tcx.hir().span(diag_expr_id)); } } } diff --git a/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs b/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs index d3406780888..eb82c9c27c3 100644 --- a/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs +++ b/src/tools/clippy/clippy_lints/src/loops/needless_collect.rs @@ -1,5 +1,5 @@ use super::NEEDLESS_COLLECT; -use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then}; use clippy_utils::source::{snippet, snippet_with_applicability}; use clippy_utils::sugg::Sugg; use clippy_utils::ty::is_type_diagnostic_item; @@ -116,9 +116,10 @@ fn check_needless_collect_indirect_usage<'tcx>(expr: &'tcx Expr<'_>, cx: &LateCo // Suggest replacing iter_call with iter_replacement, and removing stmt let mut span = MultiSpan::from_span(collect_span); span.push_span_label(iter_call.span, "the iterator could be used here instead".into()); - span_lint_and_then( + span_lint_hir_and_then( cx, super::NEEDLESS_COLLECT, + init_expr.hir_id, span, NEEDLESS_COLLECT_MSG, |diag| { diff --git a/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs b/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs index cb2c83e9029..0f6cd5de761 100644 --- a/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs +++ b/src/tools/clippy/clippy_lints/src/loops/same_item_push.rs @@ -35,7 +35,7 @@ pub(super) fn check<'tcx>( "try using vec![{};SIZE] or {}.resize(NEW_SIZE, {})", item_str, vec_str, item_str ), - ) + ); } if !matches!(pat.kind, PatKind::Wild) { diff --git a/src/tools/clippy/clippy_lints/src/loops/utils.rs b/src/tools/clippy/clippy_lints/src/loops/utils.rs index 4db6644b9d7..2f7360210ba 100644 --- a/src/tools/clippy/clippy_lints/src/loops/utils.rs +++ b/src/tools/clippy/clippy_lints/src/loops/utils.rs @@ -80,10 +80,10 @@ impl<'a, 'tcx> Visitor<'tcx> for IncrementVisitor<'a, 'tcx> { } }, ExprKind::Assign(lhs, _, _) if lhs.hir_id == expr.hir_id => { - *state = IncrementVisitorVarState::DontWarn + *state = IncrementVisitorVarState::DontWarn; }, ExprKind::AddrOf(BorrowKind::Ref, mutability, _) if mutability == Mutability::Mut => { - *state = IncrementVisitorVarState::DontWarn + *state = IncrementVisitorVarState::DontWarn; }, _ => (), } @@ -207,7 +207,7 @@ impl<'a, 'tcx> Visitor<'tcx> for InitializeVisitor<'a, 'tcx> { } }, ExprKind::AddrOf(BorrowKind::Ref, mutability, _) if mutability == Mutability::Mut => { - self.state = InitializeVisitorState::DontWarn + self.state = InitializeVisitorState::DontWarn; }, _ => (), } @@ -292,7 +292,7 @@ impl<'tcx> Visitor<'tcx> for LoopNestVisitor { return; } } - walk_pat(self, pat) + walk_pat(self, pat); } fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> { diff --git a/src/tools/clippy/clippy_lints/src/loops/while_immutable_condition.rs b/src/tools/clippy/clippy_lints/src/loops/while_immutable_condition.rs index 55404b87ec9..5f9ebad25e8 100644 --- a/src/tools/clippy/clippy_lints/src/loops/while_immutable_condition.rs +++ b/src/tools/clippy/clippy_lints/src/loops/while_immutable_condition.rs @@ -1,5 +1,5 @@ use super::WHILE_IMMUTABLE_CONDITION; -use crate::consts::constant; +use clippy_utils::consts::constant; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::usage::mutated_variables; use if_chain::if_chain; diff --git a/src/tools/clippy/clippy_lints/src/macro_use.rs b/src/tools/clippy/clippy_lints/src/macro_use.rs index 914b583186c..66479ae264e 100644 --- a/src/tools/clippy/clippy_lints/src/macro_use.rs +++ b/src/tools/clippy/clippy_lints/src/macro_use.rs @@ -212,9 +212,9 @@ impl<'tcx> LateLintPass<'tcx> for MacroUseImports { let mut suggestions = vec![]; for ((root, span), path) in used { if path.len() == 1 { - suggestions.push((span, format!("{}::{}", root, path[0]))) + suggestions.push((span, format!("{}::{}", root, path[0]))); } else { - suggestions.push((span, format!("{}::{{{}}}", root, path.join(", ")))) + suggestions.push((span, format!("{}::{{{}}}", root, path.join(", ")))); } } @@ -231,7 +231,7 @@ impl<'tcx> LateLintPass<'tcx> for MacroUseImports { "remove the attribute and import the macro directly, try", help, Applicability::MaybeIncorrect, - ) + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/manual_strip.rs b/src/tools/clippy/clippy_lints/src/manual_strip.rs index 23428524dee..61b5fe81fa9 100644 --- a/src/tools/clippy/clippy_lints/src/manual_strip.rs +++ b/src/tools/clippy/clippy_lints/src/manual_strip.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{multispan_sugg, span_lint_and_then}; use clippy_utils::source::snippet; use clippy_utils::usage::mutated_variables; @@ -123,7 +123,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualStrip { kind_word, snippet(cx, pattern.span, "..")))] .into_iter().chain(strippings.into_iter().map(|span| (span, "<stripped>".into()))), - ) + ); }); } } diff --git a/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs b/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs index 2f579edd6ad..18038dd7819 100644 --- a/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs +++ b/src/tools/clippy/clippy_lints/src/manual_unwrap_or.rs @@ -1,4 +1,4 @@ -use crate::consts::constant_simple; +use clippy_utils::consts::constant_simple; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::{indent_of, reindent_multiline, snippet_opt}; use clippy_utils::ty::is_type_diagnostic_item; diff --git a/src/tools/clippy/clippy_lints/src/map_clone.rs b/src/tools/clippy/clippy_lints/src/map_clone.rs index 99c35ae3bbf..e1f80ab025c 100644 --- a/src/tools/clippy/clippy_lints/src/map_clone.rs +++ b/src/tools/clippy/clippy_lints/src/map_clone.rs @@ -125,7 +125,7 @@ fn lint_needless_cloning(cx: &LateContext<'_>, root: Span, receiver: Span) { "remove the `map` call", String::new(), Applicability::MachineApplicable, - ) + ); } fn lint(cx: &LateContext<'_>, replace: Span, root: Span, copied: bool) { @@ -142,7 +142,7 @@ fn lint(cx: &LateContext<'_>, replace: Span, root: Span, copied: bool) { snippet_with_applicability(cx, root, "..", &mut applicability) ), applicability, - ) + ); } else { span_lint_and_sugg( cx, @@ -155,6 +155,6 @@ fn lint(cx: &LateContext<'_>, replace: Span, root: Span, copied: bool) { snippet_with_applicability(cx, root, "..", &mut applicability) ), applicability, - ) + ); } } diff --git a/src/tools/clippy/clippy_lints/src/matches.rs b/src/tools/clippy/clippy_lints/src/matches.rs index fcd37687010..cd3e3b97928 100644 --- a/src/tools/clippy/clippy_lints/src/matches.rs +++ b/src/tools/clippy/clippy_lints/src/matches.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, miri_to_const, Constant}; +use clippy_utils::consts::{constant, miri_to_const, Constant}; use clippy_utils::diagnostics::{ multispan_sugg, span_lint_and_help, span_lint_and_note, span_lint_and_sugg, span_lint_and_then, }; @@ -1144,7 +1144,7 @@ fn check_wild_enum_match(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) "try this", suggestions.join(" | "), Applicability::MaybeIncorrect, - ) + ); }, }; } @@ -1242,7 +1242,7 @@ fn check_match_as_ref(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>], exp cast, ), applicability, - ) + ); } } } @@ -1494,7 +1494,7 @@ fn check_match_single_binding<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[A "consider using the scrutinee and body instead", sugg, applicability, - ) + ); } else { span_lint_and_sugg( cx, @@ -1747,7 +1747,7 @@ mod redundant_pattern_match { match match_source { MatchSource::Normal => find_sugg_for_match(cx, expr, op, arms), MatchSource::IfLetDesugar { contains_else_clause } => { - find_sugg_for_if_let(cx, expr, op, &arms[0], "if", *contains_else_clause) + find_sugg_for_if_let(cx, expr, op, &arms[0], "if", *contains_else_clause); }, MatchSource::WhileLetDesugar => find_sugg_for_if_let(cx, expr, op, &arms[0], "while", false), _ => {}, @@ -1876,7 +1876,7 @@ mod redundant_pattern_match { { self.res = true; } else { - self.visit_expr(self_arg) + self.visit_expr(self_arg); } } args.iter().for_each(|arg| self.visit_expr(arg)); diff --git a/src/tools/clippy/clippy_lints/src/mem_discriminant.rs b/src/tools/clippy/clippy_lints/src/mem_discriminant.rs index a735c616f6e..aca96e06ef2 100644 --- a/src/tools/clippy/clippy_lints/src/mem_discriminant.rs +++ b/src/tools/clippy/clippy_lints/src/mem_discriminant.rs @@ -7,7 +7,6 @@ use rustc_errors::Applicability; use rustc_hir::{BorrowKind, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; -use std::iter; declare_clippy_lint! { /// **What it does:** Checks for calls of `mem::discriminant()` on a non-enum type. @@ -67,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for MemDiscriminant { } } - let derefs: String = iter::repeat('*').take(derefs_needed).collect(); + let derefs = "*".repeat(derefs_needed); diag.span_suggestion( param.span, "try dereferencing", diff --git a/src/tools/clippy/clippy_lints/src/methods/bind_instead_of_map.rs b/src/tools/clippy/clippy_lints/src/methods/bind_instead_of_map.rs index 287bff886bf..da428a7b487 100644 --- a/src/tools/clippy/clippy_lints/src/methods/bind_instead_of_map.rs +++ b/src/tools/clippy/clippy_lints/src/methods/bind_instead_of_map.rs @@ -135,7 +135,7 @@ pub(crate) trait BindInsteadOfMap { .into_iter() .map(|(span1, span2)| (span1, snippet(cx, span2, "_").into())), ), - ) + ); }); true } diff --git a/src/tools/clippy/clippy_lints/src/methods/clone_on_copy.rs b/src/tools/clippy/clippy_lints/src/methods/clone_on_copy.rs index ce2e8fa8b10..1a32af5dc7a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/clone_on_copy.rs +++ b/src/tools/clippy/clippy_lints/src/methods/clone_on_copy.rs @@ -8,7 +8,6 @@ use rustc_hir::{BindingAnnotation, Expr, ExprKind, MatchSource, Node, PatKind}; use rustc_lint::LateContext; use rustc_middle::ty::{self, adjustment::Adjust}; use rustc_span::symbol::{sym, Symbol}; -use std::iter; use super::CLONE_DOUBLE_REF; use super::CLONE_ON_COPY; @@ -54,8 +53,8 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: Symbol, ty = inner; n += 1; } - let refs: String = iter::repeat('&').take(n + 1).collect(); - let derefs: String = iter::repeat('*').take(n).collect(); + let refs = "&".repeat(n + 1); + let derefs = "*".repeat(n); let explicit = format!("<{}{}>::clone({})", refs, ty, snip); diag.span_suggestion( expr.span, diff --git a/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs b/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs index ecec6da3aa0..f5b4b6bf8ea 100644 --- a/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs +++ b/src/tools/clippy/clippy_lints/src/methods/cloned_instead_of_copied.rs @@ -41,5 +41,5 @@ pub fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, span: Span, "try", "copied".into(), Applicability::MachineApplicable, - ) + ); } diff --git a/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs b/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs index 12d560653ed..32d40d97bf4 100644 --- a/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs +++ b/src/tools/clippy/clippy_lints/src/methods/flat_map_option.rs @@ -30,5 +30,5 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, arg "try", "filter_map".into(), Applicability::MachineApplicable, - ) + ); } diff --git a/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs b/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs index 28d0e8cd4ae..b4188d9ed30 100644 --- a/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs @@ -37,6 +37,10 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, args: &[hir::Exp } fn extract_turbofish(cx: &LateContext<'_>, expr: &hir::Expr<'_>, ty: Ty<'tcx>) -> String { + fn strip_angle_brackets(s: &str) -> Option<&str> { + s.strip_prefix('<')?.strip_suffix('>') + } + let call_site = expr.span.source_callsite(); if_chain! { if let Ok(snippet) = cx.sess().source_map().span_to_snippet(call_site); @@ -44,23 +48,32 @@ fn extract_turbofish(cx: &LateContext<'_>, expr: &hir::Expr<'_>, ty: Ty<'tcx>) - if let Some((_, elements)) = snippet_split.split_last(); then { - // is there a type specifier? (i.e.: like `<u32>` in `collections::BTreeSet::<u32>::`) - if let Some(type_specifier) = snippet_split.iter().find(|e| e.starts_with('<') && e.ends_with('>')) { - // remove the type specifier from the path elements - let without_ts = elements.iter().filter_map(|e| { - if e == type_specifier { None } else { Some((*e).to_string()) } - }).collect::<Vec<_>>(); - // join and add the type specifier at the end (i.e.: `collections::BTreeSet<u32>`) - format!("{}{}", without_ts.join("::"), type_specifier) - } else { - // type is not explicitly specified so wildcards are needed - // i.e.: 2 wildcards in `std::collections::BTreeMap<&i32, &char>` - let ty_str = ty.to_string(); - let start = ty_str.find('<').unwrap_or(0); - let end = ty_str.find('>').unwrap_or_else(|| ty_str.len()); - let nb_wildcard = ty_str[start..end].split(',').count(); - let wildcards = format!("_{}", ", _".repeat(nb_wildcard - 1)); - format!("{}<{}>", elements.join("::"), wildcards) + if_chain! { + if let [type_specifier, _] = snippet_split.as_slice(); + if let Some(type_specifier) = strip_angle_brackets(type_specifier); + if let Some((type_specifier, ..)) = type_specifier.split_once(" as "); + then { + type_specifier.to_string() + } else { + // is there a type specifier? (i.e.: like `<u32>` in `collections::BTreeSet::<u32>::`) + if let Some(type_specifier) = snippet_split.iter().find(|e| strip_angle_brackets(e).is_some()) { + // remove the type specifier from the path elements + let without_ts = elements.iter().filter_map(|e| { + if e == type_specifier { None } else { Some((*e).to_string()) } + }).collect::<Vec<_>>(); + // join and add the type specifier at the end (i.e.: `collections::BTreeSet<u32>`) + format!("{}{}", without_ts.join("::"), type_specifier) + } else { + // type is not explicitly specified so wildcards are needed + // i.e.: 2 wildcards in `std::collections::BTreeMap<&i32, &char>` + let ty_str = ty.to_string(); + let start = ty_str.find('<').unwrap_or(0); + let end = ty_str.find('>').unwrap_or_else(|| ty_str.len()); + let nb_wildcard = ty_str[start..end].split(',').count(); + let wildcards = format!("_{}", ", _".repeat(nb_wildcard - 1)); + format!("{}<{}>", elements.join("::"), wildcards) + } + } } } else { ty.to_string() diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_nth_zero.rs b/src/tools/clippy/clippy_lints/src/methods/iter_nth_zero.rs index 52d7c15332e..68d906c3ea3 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_nth_zero.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_nth_zero.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::is_trait_method; use clippy_utils::source::snippet_with_applicability; diff --git a/src/tools/clippy/clippy_lints/src/methods/iterator_step_by_zero.rs b/src/tools/clippy/clippy_lints/src/methods/iterator_step_by_zero.rs index 06b12998b1a..64c09214a76 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iterator_step_by_zero.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iterator_step_by_zero.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::is_trait_method; use rustc_hir as hir; diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs b/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs new file mode 100644 index 00000000000..919e2628c52 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs @@ -0,0 +1,99 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; +use clippy_utils::sugg::Sugg; +use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item, match_type}; +use clippy_utils::{is_expr_path_def_path, paths}; +use if_chain::if_chain; +use rustc_ast::LitKind; +use rustc_errors::Applicability; +use rustc_hir::{Expr, ExprKind, LangItem}; +use rustc_lint::LateContext; +use rustc_middle::ty::{self, Ty, TyS}; +use rustc_span::symbol::sym; +use std::borrow::Cow; + +use super::MANUAL_STR_REPEAT; + +enum RepeatKind { + String, + Char(char), +} + +fn get_ty_param(ty: Ty<'_>) -> Option<Ty<'_>> { + if let ty::Adt(_, subs) = ty.kind() { + subs.types().next() + } else { + None + } +} + +fn parse_repeat_arg(cx: &LateContext<'_>, e: &Expr<'_>) -> Option<RepeatKind> { + if let ExprKind::Lit(lit) = &e.kind { + match lit.node { + LitKind::Str(..) => Some(RepeatKind::String), + LitKind::Char(c) => Some(RepeatKind::Char(c)), + _ => None, + } + } else { + let ty = cx.typeck_results().expr_ty(e); + if is_type_diagnostic_item(cx, ty, sym::string_type) + || (is_type_lang_item(cx, ty, LangItem::OwnedBox) && get_ty_param(ty).map_or(false, TyS::is_str)) + || (match_type(cx, ty, &paths::COW) && get_ty_param(ty).map_or(false, TyS::is_str)) + { + Some(RepeatKind::String) + } else { + let ty = ty.peel_refs(); + (ty.is_str() || is_type_diagnostic_item(cx, ty, sym::string_type)).then(|| RepeatKind::String) + } + } +} + +pub(super) fn check( + cx: &LateContext<'_>, + collect_expr: &Expr<'_>, + take_expr: &Expr<'_>, + take_self_arg: &Expr<'_>, + take_arg: &Expr<'_>, +) { + if_chain! { + if let ExprKind::Call(repeat_fn, [repeat_arg]) = take_self_arg.kind; + if is_expr_path_def_path(cx, repeat_fn, &paths::ITER_REPEAT); + if is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(collect_expr), sym::string_type); + if let Some(collect_id) = cx.typeck_results().type_dependent_def_id(collect_expr.hir_id); + if let Some(take_id) = cx.typeck_results().type_dependent_def_id(take_expr.hir_id); + if let Some(iter_trait_id) = cx.tcx.get_diagnostic_item(sym::Iterator); + if cx.tcx.trait_of_item(collect_id) == Some(iter_trait_id); + if cx.tcx.trait_of_item(take_id) == Some(iter_trait_id); + if let Some(repeat_kind) = parse_repeat_arg(cx, repeat_arg); + let ctxt = collect_expr.span.ctxt(); + if ctxt == take_expr.span.ctxt(); + if ctxt == take_self_arg.span.ctxt(); + then { + let mut app = Applicability::MachineApplicable; + let count_snip = snippet_with_context(cx, take_arg.span, ctxt, "..", &mut app).0; + + let val_str = match repeat_kind { + RepeatKind::Char(_) if repeat_arg.span.ctxt() != ctxt => return, + RepeatKind::Char('\'') => r#""'""#.into(), + RepeatKind::Char('"') => r#""\"""#.into(), + RepeatKind::Char(_) => + match snippet_with_applicability(cx, repeat_arg.span, "..", &mut app) { + Cow::Owned(s) => Cow::Owned(format!("\"{}\"", &s[1..s.len() - 1])), + s @ Cow::Borrowed(_) => s, + }, + RepeatKind::String => + Sugg::hir_with_context(cx, repeat_arg, ctxt, "..", &mut app).maybe_par().to_string().into(), + }; + + span_lint_and_sugg( + cx, + MANUAL_STR_REPEAT, + collect_expr.span, + "manual implementation of `str::repeat` using iterators", + "try this", + format!("{}.repeat({})", val_str, count_snip), + app + ) + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index e0d29682146..c8ae972f18c 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -32,6 +32,7 @@ mod iter_nth_zero; mod iter_skip_next; mod iterator_step_by_zero; mod manual_saturating_arithmetic; +mod manual_str_repeat; mod map_collect_result_unit; mod map_flatten; mod map_unwrap_or; @@ -48,6 +49,7 @@ mod single_char_push_string; mod skip_while_next; mod string_extend_chars; mod suspicious_map; +mod suspicious_splitn; mod uninit_assumed_init; mod unnecessary_filter_map; mod unnecessary_fold; @@ -61,7 +63,7 @@ mod zst_offset; use bind_instead_of_map::BindInsteadOfMap; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::ty::{contains_adt_constructor, contains_ty, implements_trait, is_copy, is_type_diagnostic_item}; -use clippy_utils::{contains_return, get_trait_def_id, in_macro, iter_input_pats, paths, return_ty}; +use clippy_utils::{contains_return, get_trait_def_id, in_macro, iter_input_pats, meets_msrv, msrvs, paths, return_ty}; use if_chain::if_chain; use rustc_hir as hir; use rustc_hir::def::Res; @@ -283,30 +285,6 @@ declare_clippy_lint! { } declare_clippy_lint! { - /// **What it does:** This is the same as - /// [`wrong_self_convention`](#wrong_self_convention), but for public items. - /// - /// **Why is this bad?** See [`wrong_self_convention`](#wrong_self_convention). - /// - /// **Known problems:** Actually *renaming* the function may break clients if - /// the function is part of the public interface. In that case, be mindful of - /// the stability guarantees you've given your users. - /// - /// **Example:** - /// ```rust - /// # struct X; - /// impl<'a> X { - /// pub fn as_str(self) -> &'a str { - /// "foo" - /// } - /// } - /// ``` - pub WRONG_PUB_SELF_CONVENTION, - restriction, - "defining a public method named with an established prefix (like \"into_\") that takes `self` with the wrong convention" -} - -declare_clippy_lint! { /// **What it does:** Checks for usage of `ok().expect(..)`. /// /// **Why is this bad?** Because you usually call `expect()` on the `Result` @@ -1657,14 +1635,69 @@ declare_clippy_lint! { "replace `.iter().count()` with `.len()`" } +declare_clippy_lint! { + /// **What it does:** Checks for calls to [`splitn`] + /// (https://doc.rust-lang.org/std/primitive.str.html#method.splitn) and + /// related functions with either zero or one splits. + /// + /// **Why is this bad?** These calls don't actually split the value and are + /// likely to be intended as a different number. + /// + /// **Known problems:** None. + /// + /// **Example:** + /// + /// ```rust + /// // Bad + /// let s = ""; + /// for x in s.splitn(1, ":") { + /// // use x + /// } + /// + /// // Good + /// let s = ""; + /// for x in s.splitn(2, ":") { + /// // use x + /// } + /// ``` + pub SUSPICIOUS_SPLITN, + correctness, + "checks for `.splitn(0, ..)` and `.splitn(1, ..)`" +} + +declare_clippy_lint! { + /// **What it does:** Checks for manual implementations of `str::repeat` + /// + /// **Why is this bad?** These are both harder to read, as well as less performant. + /// + /// **Known problems:** None. + /// + /// **Example:** + /// + /// ```rust + /// // Bad + /// let x: String = std::iter::repeat('x').take(10).collect(); + /// + /// // Good + /// let x: String = "x".repeat(10); + /// ``` + pub MANUAL_STR_REPEAT, + perf, + "manual implementation of `str::repeat`" +} + pub struct Methods { + avoid_breaking_exported_api: bool, msrv: Option<RustcVersion>, } impl Methods { #[must_use] - pub fn new(msrv: Option<RustcVersion>) -> Self { - Self { msrv } + pub fn new(avoid_breaking_exported_api: bool, msrv: Option<RustcVersion>) -> Self { + Self { + avoid_breaking_exported_api, + msrv, + } } } @@ -1673,7 +1706,6 @@ impl_lint_pass!(Methods => [ EXPECT_USED, SHOULD_IMPLEMENT_TRAIT, WRONG_SELF_CONVENTION, - WRONG_PUB_SELF_CONVENTION, OK_EXPECT, MAP_UNWRAP_OR, RESULT_MAP_OR_INTO_OPTION, @@ -1726,7 +1758,9 @@ impl_lint_pass!(Methods => [ MAP_COLLECT_RESULT_UNIT, FROM_ITER_INSTEAD_OF_COLLECT, INSPECT_FOR_EACH, - IMPLICIT_CLONE + IMPLICIT_CLONE, + SUSPICIOUS_SPLITN, + MANUAL_STR_REPEAT ]); /// Extracts a method call name, args, and `Span` of the method name. @@ -1838,11 +1872,13 @@ impl<'tcx> LateLintPass<'tcx> for Methods { } } - if sig.decl.implicit_self.has_implicit_self() { + if sig.decl.implicit_self.has_implicit_self() + && !(self.avoid_breaking_exported_api + && cx.access_levels.is_exported(impl_item.hir_id())) + { wrong_self_convention::check( cx, &name, - item.vis.node.is_pub(), self_ty, first_arg_ty, first_arg.pat.span, @@ -1915,7 +1951,6 @@ impl<'tcx> LateLintPass<'tcx> for Methods { wrong_self_convention::check( cx, &item.ident.name.as_str(), - false, self_ty, first_arg_ty, first_arg_span, @@ -1951,7 +1986,7 @@ fn check_methods<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, msrv: Optio if let Some((name, [recv, args @ ..], span)) = method_call!(expr) { match (name, args) { ("add" | "offset" | "sub" | "wrapping_offset" | "wrapping_add" | "wrapping_sub", [recv, _]) => { - zst_offset::check(cx, expr, recv) + zst_offset::check(cx, expr, recv); }, ("and_then", [arg]) => { let biom_option_linted = bind_instead_of_map::OptionAndThenSome::check(cx, expr, recv, arg); @@ -1969,6 +2004,11 @@ fn check_methods<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, msrv: Optio Some(("map", [m_recv, m_arg], _)) => { map_collect_result_unit::check(cx, expr, m_recv, m_arg, recv); }, + Some(("take", [take_self_arg, take_arg], _)) => { + if meets_msrv(msrv, &msrvs::STR_REPEAT) { + manual_str_repeat::check(cx, expr, recv, take_self_arg, take_arg); + } + }, _ => {}, }, ("count", []) => match method_call!(recv) { @@ -2012,7 +2052,7 @@ fn check_methods<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, msrv: Optio ("as_mut", []) => option_as_ref_deref::check(cx, expr, recv2, m_arg, true, msrv), ("as_ref", []) => option_as_ref_deref::check(cx, expr, recv2, m_arg, false, msrv), ("filter", [f_arg]) => { - filter_map::check(cx, expr, recv2, f_arg, span2, recv, m_arg, span, false) + filter_map::check(cx, expr, recv2, f_arg, span2, recv, m_arg, span, false); }, ("find", [f_arg]) => filter_map::check(cx, expr, recv2, f_arg, span2, recv, m_arg, span, true), _ => {}, @@ -2044,6 +2084,9 @@ fn check_methods<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, msrv: Optio unnecessary_lazy_eval::check(cx, expr, recv, arg, "or"); } }, + ("splitn" | "splitn_mut" | "rsplitn" | "rsplitn_mut", [count_arg, _]) => { + suspicious_splitn::check(cx, name, expr, recv, count_arg); + }, ("step_by", [arg]) => iterator_step_by_zero::check(cx, expr, arg), ("to_os_string" | "to_owned" | "to_path_buf" | "to_vec", []) => { implicit_clone::check(cx, name, expr, recv, span); @@ -2058,7 +2101,7 @@ fn check_methods<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, msrv: Optio manual_saturating_arithmetic::check(cx, expr, lhs, rhs, u_arg, &arith["checked_".len()..]); }, Some(("map", [m_recv, m_arg], span)) => { - option_map_unwrap_or::check(cx, expr, m_recv, m_arg, recv, u_arg, span) + option_map_unwrap_or::check(cx, expr, m_recv, m_arg, recv, u_arg, span); }, _ => {}, }, @@ -2073,7 +2116,7 @@ fn check_methods<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, msrv: Optio fn check_is_some_is_none(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, is_some: bool) { if let Some((name @ ("find" | "position" | "rposition"), [f_recv, arg], span)) = method_call!(recv) { - search_is_some::check(cx, expr, name, is_some, f_recv, arg, recv, span) + search_is_some::check(cx, expr, name, is_some, f_recv, arg, recv, span); } } diff --git a/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs b/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs new file mode 100644 index 00000000000..a271df60572 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs @@ -0,0 +1,56 @@ +use clippy_utils::consts::{constant, Constant}; +use clippy_utils::diagnostics::span_lint_and_note; +use if_chain::if_chain; +use rustc_ast::LitKind; +use rustc_hir::{Expr, ExprKind}; +use rustc_lint::LateContext; +use rustc_span::source_map::Spanned; + +use super::SUSPICIOUS_SPLITN; + +pub(super) fn check( + cx: &LateContext<'_>, + method_name: &str, + expr: &Expr<'_>, + self_arg: &Expr<'_>, + count_arg: &Expr<'_>, +) { + if_chain! { + if let Some((Constant::Int(count), _)) = constant(cx, cx.typeck_results(), count_arg); + if count <= 1; + if let Some(call_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); + if let Some(impl_id) = cx.tcx.impl_of_method(call_id); + let lang_items = cx.tcx.lang_items(); + if lang_items.slice_impl() == Some(impl_id) || lang_items.str_impl() == Some(impl_id); + then { + // Ignore empty slice and string literals when used with a literal count. + if (matches!(self_arg.kind, ExprKind::Array([])) + || matches!(self_arg.kind, ExprKind::Lit(Spanned { node: LitKind::Str(s, _), .. }) if s.is_empty()) + ) && matches!(count_arg.kind, ExprKind::Lit(_)) + { + return; + } + + let (msg, note_msg) = if count == 0 { + (format!("`{}` called with `0` splits", method_name), + "the resulting iterator will always return `None`") + } else { + (format!("`{}` called with `1` split", method_name), + if lang_items.slice_impl() == Some(impl_id) { + "the resulting iterator will always return the entire slice followed by `None`" + } else { + "the resulting iterator will always return the entire string followed by `None`" + }) + }; + + span_lint_and_note( + cx, + SUSPICIOUS_SPLITN, + expr.span, + &msg, + None, + note_msg, + ); + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_fold.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_fold.rs index 75517c48a21..4c4034437da 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_fold.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_fold.rs @@ -87,7 +87,7 @@ pub(super) fn check( ast::LitKind::Bool(true) => check_fold_with_op(cx, expr, acc, fold_span, hir::BinOpKind::And, "all", true), ast::LitKind::Int(0, _) => check_fold_with_op(cx, expr, acc, fold_span, hir::BinOpKind::Add, "sum", false), ast::LitKind::Int(1, _) => { - check_fold_with_op(cx, expr, acc, fold_span, hir::BinOpKind::Mul, "product", false) + check_fold_with_op(cx, expr, acc, fold_span, hir::BinOpKind::Mul, "product", false); }, _ => (), } diff --git a/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs b/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs index 1773c26c251..a2e09e5ecec 100644 --- a/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs +++ b/src/tools/clippy/clippy_lints/src/methods/wrong_self_convention.rs @@ -6,7 +6,6 @@ use rustc_middle::ty::TyS; use rustc_span::source_map::Span; use std::fmt; -use super::WRONG_PUB_SELF_CONVENTION; use super::WRONG_SELF_CONVENTION; #[rustfmt::skip] @@ -21,9 +20,9 @@ const CONVENTIONS: [(&[Convention], &[SelfKind]); 9] = [ // Conversion using `to_` can use borrowed (non-Copy types) or owned (Copy types). // Source: https://rust-lang.github.io/api-guidelines/naming.html#ad-hoc-conversions-follow-as_-to_-into_-conventions-c-conv - (&[Convention::StartsWith("to_"), Convention::NotEndsWith("_mut"), Convention::IsSelfTypeCopy(false), + (&[Convention::StartsWith("to_"), Convention::NotEndsWith("_mut"), Convention::IsSelfTypeCopy(false), Convention::IsTraitItem(false), Convention::ImplementsTrait(false)], &[SelfKind::Ref]), - (&[Convention::StartsWith("to_"), Convention::NotEndsWith("_mut"), Convention::IsSelfTypeCopy(true), + (&[Convention::StartsWith("to_"), Convention::NotEndsWith("_mut"), Convention::IsSelfTypeCopy(true), Convention::IsTraitItem(false), Convention::ImplementsTrait(false)], &[SelfKind::Value]), ]; @@ -85,18 +84,12 @@ impl fmt::Display for Convention { pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, item_name: &str, - is_pub: bool, self_ty: &'tcx TyS<'tcx>, first_arg_ty: &'tcx TyS<'tcx>, first_arg_span: Span, implements_trait: bool, is_trait_item: bool, ) { - let lint = if is_pub { - WRONG_PUB_SELF_CONVENTION - } else { - WRONG_SELF_CONVENTION - }; if let Some((conventions, self_kinds)) = &CONVENTIONS.iter().find(|(convs, _)| { convs .iter() @@ -142,7 +135,7 @@ pub(super) fn check<'tcx>( span_lint_and_help( cx, - lint, + WRONG_SELF_CONVENTION, first_arg_span, &format!( "{} usually take {}", diff --git a/src/tools/clippy/clippy_lints/src/minmax.rs b/src/tools/clippy/clippy_lints/src/minmax.rs index 45948f4d926..ff3473b744e 100644 --- a/src/tools/clippy/clippy_lints/src/minmax.rs +++ b/src/tools/clippy/clippy_lints/src/minmax.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant_simple, Constant}; +use clippy_utils::consts::{constant_simple, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::{match_def_path, match_trait_method, paths}; use if_chain::if_chain; diff --git a/src/tools/clippy/clippy_lints/src/misc.rs b/src/tools/clippy/clippy_lints/src/misc.rs index b5d2549242b..804c04fe1b8 100644 --- a/src/tools/clippy/clippy_lints/src/misc.rs +++ b/src/tools/clippy/clippy_lints/src/misc.rs @@ -17,7 +17,7 @@ use rustc_span::hygiene::DesugaringKind; use rustc_span::source_map::{ExpnKind, Span}; use rustc_span::symbol::sym; -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::sugg::Sugg; use clippy_utils::{ expr_path_res, get_item_name, get_parent_expr, higher, in_constant, is_diag_trait_item, is_integer_const, @@ -355,8 +355,10 @@ impl<'tcx> LateLintPass<'tcx> for MiscLints { if binop.node == BinOpKind::And || binop.node == BinOpKind::Or; if let Some(sugg) = Sugg::hir_opt(cx, a); then { - span_lint_and_then(cx, + span_lint_hir_and_then( + cx, SHORT_CIRCUIT_STATEMENT, + expr.hir_id, stmt.span, "boolean short circuit operator in statement may be clearer using an explicit test", |diag| { diff --git a/src/tools/clippy/clippy_lints/src/misc_early/mod.rs b/src/tools/clippy/clippy_lints/src/misc_early/mod.rs index dd38316fa25..050b6805b7c 100644 --- a/src/tools/clippy/clippy_lints/src/misc_early/mod.rs +++ b/src/tools/clippy/clippy_lints/src/misc_early/mod.rs @@ -310,7 +310,7 @@ impl EarlyLintPass for MiscEarlyLints { if in_external_macro(cx.sess(), expr.span) { return; } - double_neg::check(cx, expr) + double_neg::check(cx, expr); } } @@ -334,15 +334,15 @@ impl MiscEarlyLints { }; unseparated_literal_suffix::check(cx, lit, &lit_snip, suffix, "integer"); if lit_snip.starts_with("0x") { - mixed_case_hex_literals::check(cx, lit, suffix, &lit_snip) + mixed_case_hex_literals::check(cx, lit, suffix, &lit_snip); } else if lit_snip.starts_with("0b") || lit_snip.starts_with("0o") { - /* nothing to do */ + // nothing to do } else if value != 0 && lit_snip.starts_with('0') { - zero_prefixed_literal::check(cx, lit, &lit_snip) + zero_prefixed_literal::check(cx, lit, &lit_snip); } } else if let LitKind::Float(_, LitFloatType::Suffixed(float_ty)) = lit.kind { let suffix = float_ty.name_str(); - unseparated_literal_suffix::check(cx, lit, &lit_snip, suffix, "float") + unseparated_literal_suffix::check(cx, lit, &lit_snip, suffix, "float"); } } } diff --git a/src/tools/clippy/clippy_lints/src/missing_doc.rs b/src/tools/clippy/clippy_lints/src/missing_doc.rs index dfab3e8a931..a46a7407df0 100644 --- a/src/tools/clippy/clippy_lints/src/missing_doc.rs +++ b/src/tools/clippy/clippy_lints/src/missing_doc.rs @@ -7,8 +7,7 @@ use clippy_utils::attrs::is_doc_hidden; use clippy_utils::diagnostics::span_lint; -use if_chain::if_chain; -use rustc_ast::ast::{self, MetaItem, MetaItemKind}; +use rustc_ast::ast; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::ty; @@ -56,20 +55,6 @@ impl MissingDoc { *self.doc_hidden_stack.last().expect("empty doc_hidden_stack") } - fn has_include(meta: Option<MetaItem>) -> bool { - if_chain! { - if let Some(meta) = meta; - if let MetaItemKind::List(list) = meta.kind; - if let Some(meta) = list.get(0); - if let Some(name) = meta.ident(); - then { - name.name == sym::include - } else { - false - } - } - } - fn check_missing_docs_attrs( &self, cx: &LateContext<'_>, @@ -93,9 +78,9 @@ impl MissingDoc { return; } - let has_doc = attrs.iter().any(|a| { - a.is_doc_comment() || a.doc_str().is_some() || a.value_str().is_some() || Self::has_include(a.meta()) - }); + let has_doc = attrs + .iter() + .any(|a| a.doc_str().is_some()); if !has_doc { span_lint( cx, diff --git a/src/tools/clippy/clippy_lints/src/modulo_arithmetic.rs b/src/tools/clippy/clippy_lints/src/modulo_arithmetic.rs index 64e9dc85466..1414fdc1b11 100644 --- a/src/tools/clippy/clippy_lints/src/modulo_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/modulo_arithmetic.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::sext; use if_chain::if_chain; diff --git a/src/tools/clippy/clippy_lints/src/mut_reference.rs b/src/tools/clippy/clippy_lints/src/mut_reference.rs index cea6fce1195..6efe8ffcde0 100644 --- a/src/tools/clippy/clippy_lints/src/mut_reference.rs +++ b/src/tools/clippy/clippy_lints/src/mut_reference.rs @@ -48,7 +48,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryMutPassed { let def_id = cx.typeck_results().type_dependent_def_id(e.hir_id).unwrap(); let substs = cx.typeck_results().node_substs(e.hir_id); let method_type = cx.tcx.type_of(def_id).subst(cx.tcx, substs); - check_arguments(cx, arguments, method_type, &path.ident.as_str(), "method") + check_arguments(cx, arguments, method_type, &path.ident.as_str(), "method"); }, _ => (), } 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 7dfe12cd4eb..25645a0e7a2 100644 --- a/src/tools/clippy/clippy_lints/src/mutable_debug_assertion.rs +++ b/src/tools/clippy/clippy_lints/src/mutable_debug_assertion.rs @@ -107,7 +107,7 @@ impl<'a, 'tcx> Visitor<'tcx> for MutArgVisitor<'a, 'tcx> { _ if !self.found => self.expr_span = Some(expr.span), _ => return, } - walk_expr(self, expr) + walk_expr(self, expr); } fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> { diff --git a/src/tools/clippy/clippy_lints/src/needless_arbitrary_self_type.rs b/src/tools/clippy/clippy_lints/src/needless_arbitrary_self_type.rs index 3e2b2782ed5..fe3c4455be5 100644 --- a/src/tools/clippy/clippy_lints/src/needless_arbitrary_self_type.rs +++ b/src/tools/clippy/clippy_lints/src/needless_arbitrary_self_type.rs @@ -121,7 +121,7 @@ impl EarlyLintPass for NeedlessArbitrarySelfType { match &p.ty.kind { TyKind::Path(None, path) => { if let PatKind::Ident(BindingMode::ByValue(mutbl), _, _) = p.pat.kind { - check_param_inner(cx, path, p.span.to(p.ty.span), &Mode::Value, mutbl) + check_param_inner(cx, path, p.span.to(p.ty.span), &Mode::Value, mutbl); } }, TyKind::Rptr(lifetime, mut_ty) => { @@ -129,7 +129,7 @@ impl EarlyLintPass for NeedlessArbitrarySelfType { if let TyKind::Path(None, path) = &mut_ty.ty.kind; if let PatKind::Ident(BindingMode::ByValue(Mutability::Not), _, _) = p.pat.kind; then { - check_param_inner(cx, path, p.span.to(p.ty.span), &Mode::Ref(*lifetime), mut_ty.mutbl) + check_param_inner(cx, path, p.span.to(p.ty.span), &Mode::Ref(*lifetime), mut_ty.mutbl); } } }, diff --git a/src/tools/clippy/clippy_lints/src/needless_bool.rs b/src/tools/clippy/clippy_lints/src/needless_bool.rs index dd458198637..3b3736fd3a1 100644 --- a/src/tools/clippy/clippy_lints/src/needless_bool.rs +++ b/src/tools/clippy/clippy_lints/src/needless_bool.rs @@ -82,7 +82,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBool { } if is_else_clause(cx.tcx, e) { - snip = snip.blockify() + snip = snip.blockify(); } span_lint_and_sugg( @@ -144,7 +144,7 @@ impl<'tcx> LateLintPass<'tcx> for BoolComparison { |h: Sugg<'_>| !h, "equality checks against false can be replaced by a negation", )); - check_comparison(cx, e, true_case, false_case, true_case, false_case, ignore_no_literal) + check_comparison(cx, e, true_case, false_case, true_case, false_case, ignore_no_literal); }, BinOpKind::Ne => { let true_case = Some(( @@ -152,7 +152,7 @@ impl<'tcx> LateLintPass<'tcx> for BoolComparison { "inequality checks against true can be replaced by a negation", )); let false_case = Some((|h| h, "inequality checks against false are unnecessary")); - check_comparison(cx, e, true_case, false_case, true_case, false_case, ignore_no_literal) + check_comparison(cx, e, true_case, false_case, true_case, false_case, ignore_no_literal); }, BinOpKind::Lt => check_comparison( cx, @@ -251,22 +251,22 @@ fn check_comparison<'a, 'tcx>( snippet_with_applicability(cx, expression_info.right_span, "..", &mut applicability) ), applicability, - ) + ); } } match (fetch_bool_expr(left_side), fetch_bool_expr(right_side)) { (Bool(true), Other) => left_true.map_or((), |(h, m)| { - suggest_bool_comparison(cx, e, right_side, applicability, m, h) + suggest_bool_comparison(cx, e, right_side, applicability, m, h); }), (Other, Bool(true)) => right_true.map_or((), |(h, m)| { - suggest_bool_comparison(cx, e, left_side, applicability, m, h) + suggest_bool_comparison(cx, e, left_side, applicability, m, h); }), (Bool(false), Other) => left_false.map_or((), |(h, m)| { - suggest_bool_comparison(cx, e, right_side, applicability, m, h) + suggest_bool_comparison(cx, e, right_side, applicability, m, h); }), (Other, Bool(false)) => right_false.map_or((), |(h, m)| { - suggest_bool_comparison(cx, e, left_side, applicability, m, h) + suggest_bool_comparison(cx, e, left_side, applicability, m, h); }), (Other, Other) => no_literal.map_or((), |(h, m)| { let left_side = Sugg::hir_with_applicability(cx, left_side, "..", &mut applicability); @@ -279,7 +279,7 @@ fn check_comparison<'a, 'tcx>( "try simplifying it as shown", h(left_side, right_side).to_string(), applicability, - ) + ); }), _ => (), } diff --git a/src/tools/clippy/clippy_lints/src/needless_borrow.rs b/src/tools/clippy/clippy_lints/src/needless_borrow.rs index eef3c16730b..dd1dfa2bdfb 100644 --- a/src/tools/clippy/clippy_lints/src/needless_borrow.rs +++ b/src/tools/clippy/clippy_lints/src/needless_borrow.rs @@ -3,16 +3,18 @@ //! This lint is **warn** by default use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::is_automatically_derived; -use clippy_utils::source::snippet_opt; +use clippy_utils::source::{snippet_opt, snippet_with_applicability, snippet_with_context}; +use clippy_utils::{get_parent_expr, in_macro, path_to_local}; use if_chain::if_chain; +use rustc_ast::util::parser::PREC_POSTFIX; +use rustc_data_structures::fx::FxIndexMap; use rustc_errors::Applicability; -use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, Item, Mutability, Pat, PatKind}; +use rustc_hir::{BindingAnnotation, Body, BodyId, BorrowKind, Expr, ExprKind, HirId, Mutability, Pat, PatKind, UnOp}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_middle::ty::adjustment::{Adjust, Adjustment}; use rustc_session::{declare_tool_lint, impl_lint_pass}; -use rustc_span::def_id::LocalDefId; +use rustc_span::Span; declare_clippy_lint! { /// **What it does:** Checks for address of operations (`&`) that are going to @@ -32,20 +34,70 @@ declare_clippy_lint! { /// let x: &i32 = &5; /// ``` pub NEEDLESS_BORROW, - nursery, + style, "taking a reference that is going to be automatically dereferenced" } +declare_clippy_lint! { + /// **What it does:** Checks for `ref` bindings which create a reference to a reference. + /// + /// **Why is this bad?** The address-of operator at the use site is clearer about the need for a reference. + /// + /// **Known problems:** None. + /// + /// **Example:** + /// ```rust + /// // Bad + /// let x = Some(""); + /// if let Some(ref x) = x { + /// // use `x` here + /// } + /// + /// // Good + /// let x = Some(""); + /// if let Some(x) = x { + /// // use `&x` here + /// } + /// ``` + pub REF_BINDING_TO_REFERENCE, + pedantic, + "`ref` binding to a reference" +} + +impl_lint_pass!(NeedlessBorrow => [NEEDLESS_BORROW, REF_BINDING_TO_REFERENCE]); #[derive(Default)] pub struct NeedlessBorrow { - derived_item: Option<LocalDefId>, + /// The body the first local was found in. Used to emit lints when the traversal of the body has + /// been finished. Note we can't lint at the end of every body as they can be nested within each + /// other. + current_body: Option<BodyId>, + /// The list of locals currently being checked by the lint. + /// If the value is `None`, then the binding has been seen as a ref pattern, but is not linted. + /// This is needed for or patterns where one of the branches can be linted, but another can not + /// be. + /// + /// e.g. `m!(x) | Foo::Bar(ref x)` + ref_locals: FxIndexMap<HirId, Option<RefPat>>, } -impl_lint_pass!(NeedlessBorrow => [NEEDLESS_BORROW]); +struct RefPat { + /// Whether every usage of the binding is dereferenced. + always_deref: bool, + /// The spans of all the ref bindings for this local. + spans: Vec<Span>, + /// The applicability of this suggestion. + app: Applicability, + /// All the replacements which need to be made. + replacements: Vec<(Span, String)>, +} impl<'tcx> LateLintPass<'tcx> for NeedlessBorrow { fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) { - if e.span.from_expansion() || self.derived_item.is_some() { + if let Some(local) = path_to_local(e) { + self.check_local_usage(cx, e, local); + } + + if e.span.from_expansion() { return; } if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = e.kind { @@ -85,50 +137,131 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrow { } } } + fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) { - if pat.span.from_expansion() || self.derived_item.is_some() { - return; + if let PatKind::Binding(BindingAnnotation::Ref, id, name, _) = pat.kind { + if let Some(opt_prev_pat) = self.ref_locals.get_mut(&id) { + // This binding id has been seen before. Add this pattern to the list of changes. + if let Some(prev_pat) = opt_prev_pat { + if in_macro(pat.span) { + // Doesn't match the context of the previous pattern. Can't lint here. + *opt_prev_pat = None; + } else { + prev_pat.spans.push(pat.span); + prev_pat.replacements.push(( + pat.span, + snippet_with_context(cx, name.span, pat.span.ctxt(), "..", &mut prev_pat.app) + .0 + .into(), + )); + } + } + return; + } + + if_chain! { + if !in_macro(pat.span); + if let ty::Ref(_, tam, _) = *cx.typeck_results().pat_ty(pat).kind(); + // only lint immutable refs, because borrowed `&mut T` cannot be moved out + if let ty::Ref(_, _, Mutability::Not) = *tam.kind(); + then { + let mut app = Applicability::MachineApplicable; + let snip = snippet_with_context(cx, name.span, pat.span.ctxt(), "..", &mut app).0; + self.current_body = self.current_body.or(cx.enclosing_body); + self.ref_locals.insert( + id, + Some(RefPat { + always_deref: true, + spans: vec![pat.span], + app, + replacements: vec![(pat.span, snip.into())], + }), + ); + } + } } - if_chain! { - if let PatKind::Binding(BindingAnnotation::Ref, .., name, _) = pat.kind; - if let ty::Ref(_, tam, mutbl) = *cx.typeck_results().pat_ty(pat).kind(); - if mutbl == Mutability::Not; - if let ty::Ref(_, _, mutbl) = *tam.kind(); - // only lint immutable refs, because borrowed `&mut T` cannot be moved out - if mutbl == Mutability::Not; - then { + } + + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + if Some(body.id()) == self.current_body { + for pat in self.ref_locals.drain(..).filter_map(|(_, x)| x) { + let replacements = pat.replacements; + let app = pat.app; span_lint_and_then( cx, - NEEDLESS_BORROW, - pat.span, + if pat.always_deref { + NEEDLESS_BORROW + } else { + REF_BINDING_TO_REFERENCE + }, + pat.spans, "this pattern creates a reference to a reference", |diag| { - if let Some(snippet) = snippet_opt(cx, name.span) { - diag.span_suggestion( - pat.span, - "change this to", - snippet, - Applicability::MachineApplicable, - ); - } - } - ) + diag.multipart_suggestion("try this", replacements, app); + }, + ); } + self.current_body = None; } } - - fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { - let attrs = cx.tcx.hir().attrs(item.hir_id()); - if is_automatically_derived(attrs) { - debug_assert!(self.derived_item.is_none()); - self.derived_item = Some(item.def_id); - } - } - - fn check_item_post(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) { - if let Some(id) = self.derived_item { - if item.def_id == id { - self.derived_item = None; +} +impl NeedlessBorrow { + fn check_local_usage(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, local: HirId) { + if let Some(outer_pat) = self.ref_locals.get_mut(&local) { + if let Some(pat) = outer_pat { + // Check for auto-deref + if !matches!( + cx.typeck_results().expr_adjustments(e), + [ + Adjustment { + kind: Adjust::Deref(_), + .. + }, + Adjustment { + kind: Adjust::Deref(_), + .. + }, + .. + ] + ) { + match get_parent_expr(cx, e) { + // Field accesses are the same no matter the number of references. + Some(Expr { + kind: ExprKind::Field(..), + .. + }) => (), + Some(&Expr { + span, + kind: ExprKind::Unary(UnOp::Deref, _), + .. + }) if !in_macro(span) => { + // Remove explicit deref. + let snip = snippet_with_context(cx, e.span, span.ctxt(), "..", &mut pat.app).0; + pat.replacements.push((span, snip.into())); + }, + Some(parent) if !in_macro(parent.span) => { + // Double reference might be needed at this point. + if parent.precedence().order() == PREC_POSTFIX { + // Parentheses would be needed here, don't lint. + *outer_pat = None; + } else { + pat.always_deref = false; + let snip = snippet_with_context(cx, e.span, parent.span.ctxt(), "..", &mut pat.app).0; + pat.replacements.push((e.span, format!("&{}", snip))); + } + }, + _ if !in_macro(e.span) => { + // Double reference might be needed at this point. + pat.always_deref = false; + let snip = snippet_with_applicability(cx, e.span, "..", &mut pat.app); + pat.replacements.push((e.span, format!("&{}", snip))); + }, + // Edge case for macros. The span of the identifier will usually match the context of the + // binding, but not if the identifier was created in a macro. e.g. `concat_idents` and proc + // macros + _ => *outer_pat = None, + } + } } } } diff --git a/src/tools/clippy/clippy_lints/src/needless_for_each.rs b/src/tools/clippy/clippy_lints/src/needless_for_each.rs index 079b6642d58..a723a472a25 100644 --- a/src/tools/clippy/clippy_lints/src/needless_for_each.rs +++ b/src/tools/clippy/clippy_lints/src/needless_for_each.rs @@ -142,10 +142,10 @@ impl<'tcx> Visitor<'tcx> for RetCollector { match expr.kind { ExprKind::Ret(..) => { if self.loop_depth > 0 && !self.ret_in_loop { - self.ret_in_loop = true + self.ret_in_loop = true; } - self.spans.push(expr.span) + self.spans.push(expr.span); }, ExprKind::Loop(..) => { diff --git a/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs b/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs index 0704173a011..c824f6f54b5 100644 --- a/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs +++ b/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs @@ -84,7 +84,7 @@ impl<'tcx> LateLintPass<'tcx> for NoNegCompOpForPartialOrd { types produces code that is hard to read and refactor, please \ consider using the `partial_cmp` method instead, to make it \ clear that the two values could be incomparable" - ) + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/neg_multiply.rs b/src/tools/clippy/clippy_lints/src/neg_multiply.rs index 34fd012572f..d5e1ea6d242 100644 --- a/src/tools/clippy/clippy_lints/src/neg_multiply.rs +++ b/src/tools/clippy/clippy_lints/src/neg_multiply.rs @@ -1,3 +1,4 @@ +use clippy_utils::consts::{self, Constant}; use clippy_utils::diagnostics::span_lint; use if_chain::if_chain; use rustc_hir::{BinOpKind, Expr, ExprKind, UnOp}; @@ -5,8 +6,6 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::Span; -use crate::consts::{self, Constant}; - declare_clippy_lint! { /// **What it does:** Checks for multiplication by -1 as a form of negation. /// diff --git a/src/tools/clippy/clippy_lints/src/no_effect.rs b/src/tools/clippy/clippy_lints/src/no_effect.rs index cfcaf509471..b2206a82208 100644 --- a/src/tools/clippy/clippy_lints/src/no_effect.rs +++ b/src/tools/clippy/clippy_lints/src/no_effect.rs @@ -1,4 +1,4 @@ -use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; +use clippy_utils::diagnostics::{span_lint_hir, span_lint_hir_and_then}; use clippy_utils::source::snippet_opt; use clippy_utils::ty::has_drop; use rustc_errors::Applicability; @@ -92,7 +92,7 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { if let StmtKind::Semi(expr) = stmt.kind { if has_no_effect(cx, expr) { - span_lint(cx, NO_EFFECT, stmt.span, "statement with no effect"); + span_lint_hir(cx, NO_EFFECT, expr.hir_id, stmt.span, "statement with no effect"); } else if let Some(reduced) = reduce_expression(cx, expr) { let mut snippet = String::new(); for e in reduced { @@ -106,14 +106,15 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { return; } } - span_lint_and_sugg( + span_lint_hir_and_then( cx, UNNECESSARY_OPERATION, + expr.hir_id, stmt.span, "statement can be reduced", - "replace it with", - snippet, - Applicability::MachineApplicable, + |diag| { + diag.span_suggestion(stmt.span, "replace it with", snippet, Applicability::MachineApplicable); + }, ); } } diff --git a/src/tools/clippy/clippy_lints/src/non_expressive_names.rs b/src/tools/clippy/clippy_lints/src/non_expressive_names.rs index 4c8bceaf2cb..5292af5f076 100644 --- a/src/tools/clippy/clippy_lints/src/non_expressive_names.rs +++ b/src/tools/clippy/clippy_lints/src/non_expressive_names.rs @@ -126,6 +126,7 @@ const ALLOWED_TO_BE_SIMILAR: &[&[&str]] = &[ &["args", "arms"], &["qpath", "path"], &["lit", "lint"], + &["wparam", "lparam"], ]; struct SimilarNamesNameVisitor<'a, 'tcx, 'b>(&'b mut SimilarNamesLocalVisitor<'a, 'tcx>); diff --git a/src/tools/clippy/clippy_lints/src/open_options.rs b/src/tools/clippy/clippy_lints/src/open_options.rs index 9efe45336bf..fded48038e3 100644 --- a/src/tools/clippy/clippy_lints/src/open_options.rs +++ b/src/tools/clippy/clippy_lints/src/open_options.rs @@ -123,7 +123,7 @@ fn check_open_options(cx: &LateContext<'_>, options: &[(OpenOption, Argument)], "the method `create` is called more than once", ); } else { - create = true + create = true; } create_arg = create_arg || (arg == Argument::True); }, @@ -136,7 +136,7 @@ fn check_open_options(cx: &LateContext<'_>, options: &[(OpenOption, Argument)], "the method `append` is called more than once", ); } else { - append = true + append = true; } append_arg = append_arg || (arg == Argument::True); }, @@ -149,7 +149,7 @@ fn check_open_options(cx: &LateContext<'_>, options: &[(OpenOption, Argument)], "the method `truncate` is called more than once", ); } else { - truncate = true + truncate = true; } truncate_arg = truncate_arg || (arg == Argument::True); }, @@ -162,7 +162,7 @@ fn check_open_options(cx: &LateContext<'_>, options: &[(OpenOption, Argument)], "the method `read` is called more than once", ); } else { - read = true + read = true; } read_arg = read_arg || (arg == Argument::True); }, @@ -175,7 +175,7 @@ fn check_open_options(cx: &LateContext<'_>, options: &[(OpenOption, Argument)], "the method `write` is called more than once", ); } else { - write = true + write = true; } write_arg = write_arg || (arg == Argument::True); }, diff --git a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs index 6b64846c24d..f6a70478559 100644 --- a/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs +++ b/src/tools/clippy/clippy_lints/src/pass_by_ref_or_value.rs @@ -102,10 +102,16 @@ declare_clippy_lint! { pub struct PassByRefOrValue { ref_min_size: u64, value_max_size: u64, + avoid_breaking_exported_api: bool, } impl<'tcx> PassByRefOrValue { - pub fn new(ref_min_size: Option<u64>, value_max_size: u64, target: &Target) -> Self { + pub fn new( + ref_min_size: Option<u64>, + value_max_size: u64, + avoid_breaking_exported_api: bool, + target: &Target, + ) -> Self { let ref_min_size = ref_min_size.unwrap_or_else(|| { let bit_width = u64::from(target.pointer_width); // Cap the calculated bit width at 32-bits to reduce @@ -120,10 +126,14 @@ impl<'tcx> PassByRefOrValue { Self { ref_min_size, value_max_size, + avoid_breaking_exported_api, } } fn check_poly_fn(&mut self, cx: &LateContext<'tcx>, hir_id: HirId, decl: &FnDecl<'_>, span: Option<Span>) { + if self.avoid_breaking_exported_api && cx.access_levels.is_exported(hir_id) { + return; + } let fn_def_id = cx.tcx.hir().local_def_id(hir_id); let fn_sig = cx.tcx.fn_sig(fn_def_id); @@ -184,7 +194,6 @@ impl<'tcx> PassByRefOrValue { } if_chain! { - if !cx.access_levels.is_exported(hir_id); if is_copy(cx, ty); if !is_self_ty(input); if let Some(size) = cx.layout_of(ty).ok().map(|l| l.size.bytes()); diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index b0674f90678..12c44436874 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -211,7 +211,7 @@ fn check_invalid_ptr_usage<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { ]; if_chain! { - if let ExprKind::Call(ref fun, ref args) = expr.kind; + if let ExprKind::Call(fun, args) = expr.kind; if let ExprKind::Path(ref qpath) = fun.kind; if let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id(); let fun_def_path = cx.get_def_path(fun_def_id).into_iter().map(Symbol::to_ident_string).collect::<Vec<_>>(); diff --git a/src/tools/clippy/clippy_lints/src/question_mark.rs b/src/tools/clippy/clippy_lints/src/question_mark.rs index 30bee213900..d66bac52243 100644 --- a/src/tools/clippy/clippy_lints/src/question_mark.rs +++ b/src/tools/clippy/clippy_lints/src/question_mark.rs @@ -88,7 +88,7 @@ impl QuestionMark { "replace it with", replacement_str, applicability, - ) + ); } } } @@ -129,7 +129,7 @@ impl QuestionMark { "replace it with", replacement, applicability, - ) + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/ranges.rs b/src/tools/clippy/clippy_lints/src/ranges.rs index 7169f96eaf1..ae5f0627fd6 100644 --- a/src/tools/clippy/clippy_lints/src/ranges.rs +++ b/src/tools/clippy/clippy_lints/src/ranges.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::{snippet, snippet_opt, snippet_with_applicability}; use clippy_utils::sugg::Sugg; diff --git a/src/tools/clippy/clippy_lints/src/redundant_closure_call.rs b/src/tools/clippy/clippy_lints/src/redundant_closure_call.rs index 92921bedf4d..8f56a21ac5b 100644 --- a/src/tools/clippy/clippy_lints/src/redundant_closure_call.rs +++ b/src/tools/clippy/clippy_lints/src/redundant_closure_call.rs @@ -57,7 +57,7 @@ impl<'ast> ast_visit::Visitor<'ast> for ReturnVisitor { self.found_return = true; } - ast_visit::walk_expr(self, ex) + ast_visit::walk_expr(self, ex); } } diff --git a/src/tools/clippy/clippy_lints/src/redundant_pub_crate.rs b/src/tools/clippy/clippy_lints/src/redundant_pub_crate.rs index e091095de13..05f9e01acb4 100644 --- a/src/tools/clippy/clippy_lints/src/redundant_pub_crate.rs +++ b/src/tools/clippy/clippy_lints/src/redundant_pub_crate.rs @@ -59,7 +59,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantPubCrate { Applicability::MachineApplicable, ); }, - ) + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/regex.rs b/src/tools/clippy/clippy_lints/src/regex.rs index 4b5306de58e..75151167454 100644 --- a/src/tools/clippy/clippy_lints/src/regex.rs +++ b/src/tools/clippy/clippy_lints/src/regex.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant, Constant}; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::{match_def_path, paths}; use if_chain::if_chain; diff --git a/src/tools/clippy/clippy_lints/src/repeat_once.rs b/src/tools/clippy/clippy_lints/src/repeat_once.rs index 560a5e7c920..b479c40bca6 100644 --- a/src/tools/clippy/clippy_lints/src/repeat_once.rs +++ b/src/tools/clippy/clippy_lints/src/repeat_once.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant_context, Constant}; +use clippy_utils::consts::{constant_context, Constant}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::in_macro; use clippy_utils::source::snippet; diff --git a/src/tools/clippy/clippy_lints/src/returns.rs b/src/tools/clippy/clippy_lints/src/returns.rs index b565c77aaec..251d527c265 100644 --- a/src/tools/clippy/clippy_lints/src/returns.rs +++ b/src/tools/clippy/clippy_lints/src/returns.rs @@ -139,7 +139,7 @@ impl<'tcx> LateLintPass<'tcx> for Return { } else { RetReplacement::Empty }; - check_final_expr(cx, &body.value, Some(body.value.span), replacement) + check_final_expr(cx, &body.value, Some(body.value.span), replacement); }, FnKind::ItemFn(..) | FnKind::Method(..) => { if let ExprKind::Block(block, _) = body.value.kind { @@ -241,7 +241,7 @@ fn emit_return_lint(cx: &LateContext<'_>, ret_span: Span, inner_span: Option<Spa if let Some(snippet) = snippet_opt(cx, inner_span) { diag.span_suggestion(ret_span, "remove `return`", snippet, Applicability::MachineApplicable); } - }) + }); }, None => match replacement { RetReplacement::Empty => { diff --git a/src/tools/clippy/clippy_lints/src/semicolon_if_nothing_returned.rs b/src/tools/clippy/clippy_lints/src/semicolon_if_nothing_returned.rs index 553987a426b..16e4d73851f 100644 --- a/src/tools/clippy/clippy_lints/src/semicolon_if_nothing_returned.rs +++ b/src/tools/clippy/clippy_lints/src/semicolon_if_nothing_returned.rs @@ -8,11 +8,11 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; declare_clippy_lint! { - /// **What it does:** Looks for blocks of expressions and fires if the last expression returns `()` - /// but is not followed by a semicolon. + /// **What it does:** Looks for blocks of expressions and fires if the last expression returns + /// `()` but is not followed by a semicolon. /// - /// **Why is this bad?** The semicolon might be optional but when - /// extending the block with new code, it doesn't require a change in previous last line. + /// **Why is this bad?** The semicolon might be optional but when extending the block with new + /// code, it doesn't require a change in previous last line. /// /// **Known problems:** None. /// @@ -30,7 +30,7 @@ declare_clippy_lint! { /// } /// ``` pub SEMICOLON_IF_NOTHING_RETURNED, - restriction, + pedantic, "add a semicolon if nothing is returned" } diff --git a/src/tools/clippy/clippy_lints/src/shadow.rs b/src/tools/clippy/clippy_lints/src/shadow.rs index d6101bd5e36..ac3f7ebd14b 100644 --- a/src/tools/clippy/clippy_lints/src/shadow.rs +++ b/src/tools/clippy/clippy_lints/src/shadow.rs @@ -120,7 +120,7 @@ fn check_fn<'tcx>(cx: &LateContext<'tcx>, decl: &'tcx FnDecl<'_>, body: &'tcx Bo let mut bindings = Vec::with_capacity(decl.inputs.len()); for arg in iter_input_pats(decl, body) { if let PatKind::Binding(.., ident, _) = arg.pat.kind { - bindings.push((ident.name, ident.span)) + bindings.push((ident.name, ident.span)); } } check_expr(cx, &body.value, &mut bindings); @@ -156,7 +156,7 @@ fn check_local<'tcx>(cx: &LateContext<'tcx>, local: &'tcx Local<'_>, bindings: & .. } = *local; if let Some(t) = *ty { - check_ty(cx, t, bindings) + check_ty(cx, t, bindings); } if let Some(o) = *init { check_expr(cx, o, bindings); @@ -324,14 +324,14 @@ fn check_expr<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, bindings: &mut } match expr.kind { ExprKind::Unary(_, e) | ExprKind::Field(e, _) | ExprKind::AddrOf(_, _, e) | ExprKind::Box(e) => { - check_expr(cx, e, bindings) + check_expr(cx, e, bindings); }, ExprKind::Block(block, _) | ExprKind::Loop(block, ..) => check_block(cx, block, bindings), // ExprKind::Call // ExprKind::MethodCall ExprKind::Array(v) | ExprKind::Tup(v) => { for e in v { - check_expr(cx, e, bindings) + check_expr(cx, e, bindings); } }, ExprKind::If(cond, then, ref otherwise) => { @@ -374,7 +374,7 @@ fn check_ty<'tcx>(cx: &LateContext<'tcx>, ty: &'tcx Ty<'_>, bindings: &mut Vec<( TyKind::Ptr(MutTy { ty: mty, .. }) | TyKind::Rptr(_, MutTy { ty: mty, .. }) => check_ty(cx, mty, bindings), TyKind::Tup(tup) => { for t in tup { - check_ty(cx, t, bindings) + check_ty(cx, t, bindings); } }, TyKind::Typeof(ref anon_const) => check_expr(cx, &cx.tcx.hir().body(anon_const.body).value, bindings), diff --git a/src/tools/clippy/clippy_lints/src/single_component_path_imports.rs b/src/tools/clippy/clippy_lints/src/single_component_path_imports.rs index a45bb102389..1eaad438237 100644 --- a/src/tools/clippy/clippy_lints/src/single_component_path_imports.rs +++ b/src/tools/clippy/clippy_lints/src/single_component_path_imports.rs @@ -70,7 +70,7 @@ fn check_mod(cx: &EarlyContext<'_>, items: &[P<Item>]) { for item in items { track_uses( cx, - &item, + item, &mut imports_reused_with_self, &mut single_use_usages, &mut macros, @@ -117,7 +117,7 @@ fn track_uses( match &item.kind { ItemKind::Mod(_, ModKind::Loaded(ref items, ..)) => { - check_mod(cx, &items); + check_mod(cx, items); }, ItemKind::MacroDef(MacroDef { macro_rules: true, .. }) => { macros.push(item.ident.name); diff --git a/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs b/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs index a9ae2b77119..e5c58d70b60 100644 --- a/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs +++ b/src/tools/clippy/clippy_lints/src/slow_vector_initialization.rs @@ -158,7 +158,7 @@ impl SlowVectorInit { ) { match initialization { InitializationType::Extend(e) | InitializationType::Resize(e) => { - Self::emit_lint(cx, e, vec_alloc, "slow zero-filling initialization") + Self::emit_lint(cx, e, vec_alloc, "slow zero-filling initialization"); }, }; } @@ -290,7 +290,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VectorInitializationVisitor<'a, 'tcx> { fn visit_block(&mut self, block: &'tcx Block<'_>) { if self.initialization_found { if let Some(s) = block.stmts.get(0) { - self.visit_stmt(s) + self.visit_stmt(s); } self.initialization_found = false; diff --git a/src/tools/clippy/clippy_lints/src/suspicious_operation_groupings.rs b/src/tools/clippy/clippy_lints/src/suspicious_operation_groupings.rs index 4272935bc31..bb707f78fcc 100644 --- a/src/tools/clippy/clippy_lints/src/suspicious_operation_groupings.rs +++ b/src/tools/clippy/clippy_lints/src/suspicious_operation_groupings.rs @@ -59,7 +59,7 @@ declare_clippy_lint! { /// } /// ``` pub SUSPICIOUS_OPERATION_GROUPINGS, - style, + nursery, "groupings of binary operations that look suspiciously like typos" } @@ -266,7 +266,7 @@ fn emit_suggestion(cx: &EarlyContext<'_>, span: Span, sugg: String, applicabilit "did you mean", sugg, applicability, - ) + ); } fn ident_swap_sugg( @@ -475,7 +475,7 @@ impl Add for IdentLocation { impl AddAssign for IdentLocation { fn add_assign(&mut self, other: Self) { - *self = *self + other + *self = *self + other; } } @@ -506,7 +506,7 @@ impl Add for IdentDifference { impl AddAssign for IdentDifference { fn add_assign(&mut self, other: Self) { - *self = *self + other + *self = *self + other; } } diff --git a/src/tools/clippy/clippy_lints/src/trait_bounds.rs b/src/tools/clippy/clippy_lints/src/trait_bounds.rs index b0589b0512e..74a94db1800 100644 --- a/src/tools/clippy/clippy_lints/src/trait_bounds.rs +++ b/src/tools/clippy/clippy_lints/src/trait_bounds.rs @@ -3,6 +3,7 @@ use clippy_utils::source::{snippet, snippet_with_applicability}; use clippy_utils::{in_macro, SpanlessHash}; use if_chain::if_chain; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::unhash::UnhashMap; use rustc_errors::Applicability; use rustc_hir::{def::Res, GenericBound, Generics, ParamName, Path, QPath, TyKind, WherePredicate}; use rustc_lint::{LateContext, LateLintPass}; @@ -100,7 +101,7 @@ impl TraitBounds { hasher.hash_ty(ty); hasher.finish() }; - let mut map = FxHashMap::default(); + let mut map: UnhashMap<u64, Vec<&GenericBound<'_>>> = UnhashMap::default(); let mut applicability = Applicability::MaybeIncorrect; for bound in gen.where_clause.predicates { if_chain! { diff --git a/src/tools/clippy/clippy_lints/src/transmuting_null.rs b/src/tools/clippy/clippy_lints/src/transmuting_null.rs index 888ecab1046..b57d158293d 100644 --- a/src/tools/clippy/clippy_lints/src/transmuting_null.rs +++ b/src/tools/clippy/clippy_lints/src/transmuting_null.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant_context, Constant}; +use clippy_utils::consts::{constant_context, Constant}; use clippy_utils::diagnostics::span_lint; use clippy_utils::{is_expr_path_def_path, paths}; use if_chain::if_chain; diff --git a/src/tools/clippy/clippy_lints/src/types/mod.rs b/src/tools/clippy/clippy_lints/src/types/mod.rs index d9b47a699dc..70b9e8adef8 100644 --- a/src/tools/clippy/clippy_lints/src/types/mod.rs +++ b/src/tools/clippy/clippy_lints/src/types/mod.rs @@ -306,7 +306,7 @@ impl<'tcx> LateLintPass<'tcx> for Types { fn check_trait_item(&mut self, cx: &LateContext<'_>, item: &TraitItem<'_>) { match item.kind { TraitItemKind::Const(ty, _) | TraitItemKind::Type(_, Some(ty)) => { - self.check_ty(cx, ty, CheckTyContext::default()) + self.check_ty(cx, ty, CheckTyContext::default()); }, TraitItemKind::Fn(ref sig, _) => self.check_fn_decl(cx, sig.decl, CheckTyContext::default()), TraitItemKind::Type(..) => (), @@ -433,7 +433,7 @@ impl Types { }, TyKind::Slice(ty) | TyKind::Array(ty, _) | TyKind::Ptr(MutTy { ty, .. }) => { context.is_nested_call = true; - self.check_ty(cx, ty, context) + self.check_ty(cx, ty, context); }, TyKind::Tup(tys) => { context.is_nested_call = true; diff --git a/src/tools/clippy/clippy_lints/src/unicode.rs b/src/tools/clippy/clippy_lints/src/unicode.rs index d81e31f5a21..45291a120ed 100644 --- a/src/tools/clippy/clippy_lints/src/unicode.rs +++ b/src/tools/clippy/clippy_lints/src/unicode.rs @@ -71,7 +71,7 @@ impl LateLintPass<'_> for Unicode { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &'_ Expr<'_>) { if let ExprKind::Lit(ref lit) = expr.kind { if let LitKind::Str(_, _) = lit.node { - check_str(cx, lit.span, expr.hir_id) + check_str(cx, lit.span, expr.hir_id); } } } @@ -82,7 +82,7 @@ fn escape<T: Iterator<Item = char>>(s: T) -> String { for c in s { if c as u32 > 0x7F { for d in c.escape_unicode() { - result.push(d) + result.push(d); } } else { result.push(c); diff --git a/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs b/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs index f2f1410aed7..a85ffa6aa95 100644 --- a/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs +++ b/src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs @@ -8,7 +8,7 @@ use rustc_hir::LangItem::{OptionSome, ResultOk}; use rustc_hir::{Body, ExprKind, FnDecl, HirId, Impl, ItemKind, Node}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; -use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::symbol::sym; use rustc_span::Span; @@ -52,7 +52,19 @@ declare_clippy_lint! { "functions that only return `Ok` or `Some`" } -declare_lint_pass!(UnnecessaryWraps => [UNNECESSARY_WRAPS]); +pub struct UnnecessaryWraps { + avoid_breaking_exported_api: bool, +} + +impl_lint_pass!(UnnecessaryWraps => [UNNECESSARY_WRAPS]); + +impl UnnecessaryWraps { + pub fn new(avoid_breaking_exported_api: bool) -> Self { + Self { + avoid_breaking_exported_api, + } + } +} impl<'tcx> LateLintPass<'tcx> for UnnecessaryWraps { fn check_fn( @@ -66,13 +78,12 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryWraps { ) { // Abort if public function/method or closure. match fn_kind { - FnKind::ItemFn(.., visibility) | FnKind::Method(.., Some(visibility)) => { - if visibility.node.is_pub() { + FnKind::ItemFn(..) | FnKind::Method(..) => { + if self.avoid_breaking_exported_api && cx.access_levels.is_exported(hir_id) { return; } }, FnKind::Closure => return, - FnKind::Method(..) => (), } // Abort if the method is implementing a trait or of it a trait method. 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 c27a6d4e347..ee082d30d93 100644 --- a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs +++ b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs @@ -66,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedIoAmount { fn check_map_error(cx: &LateContext<'_>, call: &hir::Expr<'_>, expr: &hir::Expr<'_>) { let mut call = call; - while let hir::ExprKind::MethodCall(ref path, _, ref args, _) = call.kind { + while let hir::ExprKind::MethodCall(path, _, args, _) = call.kind { if matches!(&*path.ident.as_str(), "or" | "or_else" | "ok") { call = &args[0]; } else { diff --git a/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs b/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs index 4ac2ec55b98..0b58c6c0917 100644 --- a/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs +++ b/src/tools/clippy/clippy_lints/src/upper_case_acronyms.rs @@ -1,8 +1,8 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use itertools::Itertools; -use rustc_ast::ast::{Item, ItemKind, VisibilityKind}; use rustc_errors::Applicability; -use rustc_lint::{EarlyContext, EarlyLintPass, LintContext}; +use rustc_hir::{Item, ItemKind}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::symbol::Ident; @@ -38,12 +38,14 @@ declare_clippy_lint! { #[derive(Default)] pub struct UpperCaseAcronyms { + avoid_breaking_exported_api: bool, upper_case_acronyms_aggressive: bool, } impl UpperCaseAcronyms { - pub fn new(aggressive: bool) -> Self { + pub fn new(avoid_breaking_exported_api: bool, aggressive: bool) -> Self { Self { + avoid_breaking_exported_api, upper_case_acronyms_aggressive: aggressive, } } @@ -72,7 +74,7 @@ fn correct_ident(ident: &str) -> String { ident } -fn check_ident(cx: &EarlyContext<'_>, ident: &Ident, be_aggressive: bool) { +fn check_ident(cx: &LateContext<'_>, ident: &Ident, be_aggressive: bool) { let span = ident.span; let ident = &ident.as_str(); let corrected = correct_ident(ident); @@ -92,27 +94,31 @@ fn check_ident(cx: &EarlyContext<'_>, ident: &Ident, be_aggressive: bool) { "consider making the acronym lowercase, except the initial letter", corrected, Applicability::MaybeIncorrect, - ) + ); } } -impl EarlyLintPass for UpperCaseAcronyms { - fn check_item(&mut self, cx: &EarlyContext<'_>, it: &Item) { +impl LateLintPass<'_> for UpperCaseAcronyms { + fn check_item(&mut self, cx: &LateContext<'_>, it: &Item<'_>) { // do not lint public items or in macros - if !in_external_macro(cx.sess(), it.span) && !matches!(it.vis.kind, VisibilityKind::Public) { - if matches!( - it.kind, - ItemKind::TyAlias(..) | ItemKind::Struct(..) | ItemKind::Trait(..) - ) { + if in_external_macro(cx.sess(), it.span) + || (self.avoid_breaking_exported_api && cx.access_levels.is_exported(it.hir_id())) + { + return; + } + match it.kind { + ItemKind::TyAlias(..) | ItemKind::Struct(..) | ItemKind::Trait(..) => { check_ident(cx, &it.ident, self.upper_case_acronyms_aggressive); - } else if let ItemKind::Enum(ref enumdef, _) = it.kind { + }, + ItemKind::Enum(ref enumdef, _) => { // check enum variants seperately because again we only want to lint on private enums and // the fn check_variant does not know about the vis of the enum of its variants enumdef .variants .iter() .for_each(|variant| check_ident(cx, &variant.ident, self.upper_case_acronyms_aggressive)); - } + }, + _ => {}, } } } diff --git a/src/tools/clippy/clippy_lints/src/use_self.rs b/src/tools/clippy/clippy_lints/src/use_self.rs index 2ad6fa77f48..254b104bdef 100644 --- a/src/tools/clippy/clippy_lints/src/use_self.rs +++ b/src/tools/clippy/clippy_lints/src/use_self.rs @@ -356,7 +356,7 @@ impl<'tcx> Visitor<'tcx> for SkipTyCollector { fn visit_ty(&mut self, hir_ty: &hir::Ty<'_>) { self.types_to_skip.push(hir_ty.hir_id); - walk_ty(self, hir_ty) + walk_ty(self, hir_ty); } fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> { @@ -385,7 +385,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LintTyCollector<'a, 'tcx> { } } - walk_ty(self, hir_ty) + walk_ty(self, hir_ty); } fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> { diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index e70f8a09ebe..39ef170ae36 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -292,7 +292,7 @@ impl<'tcx> Visitor<'tcx> for PrintVisitor { LitKind::Str(ref text, _) => { let str_pat = self.next("s"); println!(" if let LitKind::Str(ref {}, _) = {}.node;", str_pat, lit_pat); - println!(" if {}.as_str() == {:?}", str_pat, &*text.as_str()) + println!(" if {}.as_str() == {:?}", str_pat, &*text.as_str()); }, } }, diff --git a/src/tools/clippy/clippy_lints/src/utils/conf.rs b/src/tools/clippy/clippy_lints/src/utils/conf.rs index fd2dddb3b96..0e33ae740d9 100644 --- a/src/tools/clippy/clippy_lints/src/utils/conf.rs +++ b/src/tools/clippy/clippy_lints/src/utils/conf.rs @@ -122,7 +122,9 @@ macro_rules! define_Conf { // N.B., this macro is parsed by util/lintlib.py define_Conf! { - /// Lint: CLONED_INSTEAD_OF_COPIED, REDUNDANT_FIELD_NAMES, REDUNDANT_STATIC_LIFETIMES, FILTER_MAP_NEXT, CHECKED_CONVERSIONS, MANUAL_RANGE_CONTAINS, USE_SELF, MEM_REPLACE_WITH_DEFAULT, MANUAL_NON_EXHAUSTIVE, OPTION_AS_REF_DEREF, MAP_UNWRAP_OR, MATCH_LIKE_MATCHES_MACRO, MANUAL_STRIP, MISSING_CONST_FOR_FN, UNNESTED_OR_PATTERNS, FROM_OVER_INTO, PTR_AS_PTR, IF_THEN_SOME_ELSE_NONE. The minimum rust version that the project supports + /// Lint: ENUM_VARIANT_NAMES, LARGE_TYPES_PASSED_BY_VALUE, TRIVIALLY_COPY_PASS_BY_REF, UNNECESSARY_WRAPS, UPPER_CASE_ACRONYMS, WRONG_SELF_CONVENTION. Suppress lints whenever the suggested change would cause breakage for other crates. + (avoid_breaking_exported_api: bool = true), + /// Lint: MANUAL_STR_REPEAT, CLONED_INSTEAD_OF_COPIED, REDUNDANT_FIELD_NAMES, REDUNDANT_STATIC_LIFETIMES, FILTER_MAP_NEXT, CHECKED_CONVERSIONS, MANUAL_RANGE_CONTAINS, USE_SELF, MEM_REPLACE_WITH_DEFAULT, MANUAL_NON_EXHAUSTIVE, OPTION_AS_REF_DEREF, MAP_UNWRAP_OR, MATCH_LIKE_MATCHES_MACRO, MANUAL_STRIP, MISSING_CONST_FOR_FN, UNNESTED_OR_PATTERNS, FROM_OVER_INTO, PTR_AS_PTR, IF_THEN_SOME_ELSE_NONE. The minimum rust version that the project supports (msrv: Option<String> = None), /// Lint: BLACKLISTED_NAME. The list of blacklisted names to lint about. NB: `bar` is not here since it has legitimate uses (blacklisted_names: Vec<String> = ["foo", "baz", "quux"].iter().map(ToString::to_string).collect()), @@ -208,15 +210,13 @@ pub fn lookup_conf_file() -> io::Result<Option<PathBuf>> { .map_or_else(|| PathBuf::from("."), PathBuf::from); loop { for config_file_name in &CONFIG_FILE_NAMES { - let config_file = current.join(config_file_name); - match fs::metadata(&config_file) { - // Only return if it's a file to handle the unlikely situation of a directory named - // `clippy.toml`. - Ok(ref md) if !md.is_dir() => return Ok(Some(config_file)), - // Return the error if it's something other than `NotFound`; otherwise we didn't - // find the project file yet, and continue searching. - Err(e) if e.kind() != io::ErrorKind::NotFound => return Err(e), - _ => {}, + if let Ok(config_file) = current.join(config_file_name).canonicalize() { + match fs::metadata(&config_file) { + Err(e) if e.kind() == io::ErrorKind::NotFound => {}, + Err(e) => return Err(e), + Ok(md) if md.is_dir() => {}, + Ok(_) => return Ok(Some(config_file)), + } } } diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs index ee7be24eae8..b1523e032af 100644 --- a/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant_simple, Constant}; +use clippy_utils::consts::{constant_simple, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help, span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::snippet; use clippy_utils::ty::match_type; @@ -1100,7 +1100,7 @@ impl<'tcx> LateLintPass<'tcx> for IfChainStyle { IF_CHAIN_STYLE, if_chain_local_span(cx, local, if_chain_span), "`let` expression should be inside `then { .. }`", - ) + ); } } @@ -1141,7 +1141,7 @@ impl<'tcx> LateLintPass<'tcx> for IfChainStyle { if is_first_if_chain_expr(cx, expr.hir_id, if_chain_span) && is_if_chain_then(then_block.stmts, then_block.expr, if_chain_span) { - span_lint(cx, IF_CHAIN_STYLE, expr.span, "`if_chain!` only has one `if`") + span_lint(cx, IF_CHAIN_STYLE, expr.span, "`if_chain!` only has one `if`"); } } } diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs index e9fa043b20f..46af03663b8 100644 --- a/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs @@ -379,7 +379,7 @@ impl<'hir> LateLintPass<'hir> for MetadataCollector { /// } /// ``` fn check_item(&mut self, cx: &LateContext<'hir>, item: &'hir Item<'_>) { - if let ItemKind::Static(ref ty, Mutability::Not, _) = item.kind { + if let ItemKind::Static(ty, Mutability::Not, _) = item.kind { // Normal lint if_chain! { // item validation @@ -489,7 +489,7 @@ fn extract_attr_docs(cx: &LateContext<'_>, item: &Item<'_>) -> Option<String> { .hir() .attrs(item.hir_id()) .iter() - .filter_map(|ref x| x.doc_str().map(|sym| sym.as_str().to_string())) + .filter_map(|x| x.doc_str().map(|sym| sym.as_str().to_string())) .reduce(|mut acc, sym| { acc.push_str(&sym); acc.push('\n'); @@ -596,7 +596,7 @@ fn extract_emission_info<'hir>( let mut multi_part = false; for arg in args { - let (arg_ty, _) = walk_ptrs_ty_depth(cx.typeck_results().expr_ty(&arg)); + let (arg_ty, _) = walk_ptrs_ty_depth(cx.typeck_results().expr_ty(arg)); if match_type(cx, arg_ty, &paths::LINT) { // If we found the lint arg, extract the lint name @@ -671,7 +671,7 @@ impl<'a, 'hir> intravisit::Visitor<'hir> for LintResolver<'a, 'hir> { if let ExprKind::Path(qpath) = &expr.kind; if let QPath::Resolved(_, path) = qpath; - let (expr_ty, _) = walk_ptrs_ty_depth(self.cx.typeck_results().expr_ty(&expr)); + let (expr_ty, _) = walk_ptrs_ty_depth(self.cx.typeck_results().expr_ty(expr)); if match_type(self.cx, expr_ty, &paths::LINT); then { if let hir::def::Res::Def(DefKind::Static, _) = path.res { @@ -730,7 +730,7 @@ impl<'a, 'hir> intravisit::Visitor<'hir> for ApplicabilityResolver<'a, 'hir> { } fn visit_expr(&mut self, expr: &'hir hir::Expr<'hir>) { - let (expr_ty, _) = walk_ptrs_ty_depth(self.cx.typeck_results().expr_ty(&expr)); + let (expr_ty, _) = walk_ptrs_ty_depth(self.cx.typeck_results().expr_ty(expr)); if_chain! { if match_type(self.cx, expr_ty, &paths::APPLICABILITY); @@ -818,7 +818,7 @@ impl<'a, 'hir> intravisit::Visitor<'hir> for IsMultiSpanScanner<'a, 'hir> { .any(|func_path| match_function_call(self.cx, fn_expr, func_path).is_some()); if found_function { // These functions are all multi part suggestions - self.add_single_span_suggestion() + self.add_single_span_suggestion(); } }, ExprKind::MethodCall(path, _path_span, arg, _arg_span) => { diff --git a/src/tools/clippy/clippy_lints/src/vec.rs b/src/tools/clippy/clippy_lints/src/vec.rs index febd4b6ff7b..1d5b7c98d31 100644 --- a/src/tools/clippy/clippy_lints/src/vec.rs +++ b/src/tools/clippy/clippy_lints/src/vec.rs @@ -1,5 +1,5 @@ -use crate::consts::{constant, Constant}; use crate::rustc_target::abi::LayoutOf; +use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::higher; use clippy_utils::source::snippet_with_applicability; diff --git a/src/tools/clippy/clippy_lints/src/verbose_file_reads.rs b/src/tools/clippy/clippy_lints/src/verbose_file_reads.rs index ec209b30951..3ab68df2b6d 100644 --- a/src/tools/clippy/clippy_lints/src/verbose_file_reads.rs +++ b/src/tools/clippy/clippy_lints/src/verbose_file_reads.rs @@ -54,7 +54,7 @@ impl<'tcx> LateLintPass<'tcx> for VerboseFileReads { "use of `File::read_to_string`", None, "consider using `fs::read_to_string` instead", - ) + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/write.rs b/src/tools/clippy/clippy_lints/src/write.rs index d0e79efa70d..5229a705865 100644 --- a/src/tools/clippy/clippy_lints/src/write.rs +++ b/src/tools/clippy/clippy_lints/src/write.rs @@ -300,7 +300,7 @@ impl EarlyLintPass for Write { Applicability::MachineApplicable, ); }, - ) + ); } } } else if mac.path == sym!(writeln) { diff --git a/src/tools/clippy/clippy_lints/src/zero_div_zero.rs b/src/tools/clippy/clippy_lints/src/zero_div_zero.rs index 350b1cf25ff..a1ea743ba80 100644 --- a/src/tools/clippy/clippy_lints/src/zero_div_zero.rs +++ b/src/tools/clippy/clippy_lints/src/zero_div_zero.rs @@ -1,4 +1,4 @@ -use crate::consts::{constant_simple, Constant}; +use clippy_utils::consts::{constant_simple, Constant}; use clippy_utils::diagnostics::span_lint_and_help; use if_chain::if_chain; use rustc_hir::{BinOpKind, Expr, ExprKind}; diff --git a/src/tools/clippy/clippy_utils/src/attrs.rs b/src/tools/clippy/clippy_utils/src/attrs.rs index c0584e1e226..0318c483959 100644 --- a/src/tools/clippy/clippy_utils/src/attrs.rs +++ b/src/tools/clippy/clippy_utils/src/attrs.rs @@ -115,7 +115,7 @@ fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[ast::Attribute], name: &' for attr in get_attr(sess, attrs, name) { if let Some(ref value) = attr.value_str() { if let Ok(value) = FromStr::from_str(&value.as_str()) { - f(value) + f(value); } else { sess.span_err(attr.span, "not a number"); } diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index 2a305d8bcbe..0d7fdeeb920 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -229,25 +229,25 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { pub fn expr(&mut self, e: &Expr<'_>) -> Option<Constant> { match e.kind { ExprKind::Path(ref qpath) => self.fetch_path(qpath, e.hir_id, self.typeck_results.expr_ty(e)), - ExprKind::Block(ref block, _) => self.block(block), + ExprKind::Block(block, _) => self.block(block), ExprKind::Lit(ref lit) => Some(lit_to_constant(&lit.node, self.typeck_results.expr_ty_opt(e))), - ExprKind::Array(ref vec) => self.multi(vec).map(Constant::Vec), - ExprKind::Tup(ref tup) => self.multi(tup).map(Constant::Tuple), - ExprKind::Repeat(ref value, _) => { + ExprKind::Array(vec) => self.multi(vec).map(Constant::Vec), + ExprKind::Tup(tup) => self.multi(tup).map(Constant::Tuple), + ExprKind::Repeat(value, _) => { let n = match self.typeck_results.expr_ty(e).kind() { ty::Array(_, n) => n.try_eval_usize(self.lcx.tcx, self.lcx.param_env)?, _ => span_bug!(e.span, "typeck error"), }; self.expr(value).map(|v| Constant::Repeat(Box::new(v), n)) }, - ExprKind::Unary(op, ref operand) => self.expr(operand).and_then(|o| match op { + ExprKind::Unary(op, operand) => self.expr(operand).and_then(|o| match op { UnOp::Not => self.constant_not(&o, self.typeck_results.expr_ty(e)), UnOp::Neg => self.constant_negate(&o, self.typeck_results.expr_ty(e)), UnOp::Deref => Some(if let Constant::Ref(r) = o { *r } else { o }), }), - ExprKind::If(ref cond, ref then, ref otherwise) => self.ifthenelse(cond, then, *otherwise), - ExprKind::Binary(op, ref left, ref right) => self.binop(op, left, right), - ExprKind::Call(ref callee, ref args) => { + ExprKind::If(cond, then, ref otherwise) => self.ifthenelse(cond, then, *otherwise), + ExprKind::Binary(op, left, right) => self.binop(op, left, right), + ExprKind::Call(callee, args) => { // We only handle a few const functions for now. if_chain! { if args.is_empty(); @@ -273,8 +273,8 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { } } }, - ExprKind::Index(ref arr, ref index) => self.index(arr, index), - ExprKind::AddrOf(_, _, ref inner) => self.expr(inner).map(|r| Constant::Ref(Box::new(r))), + ExprKind::Index(arr, index) => self.index(arr, index), + ExprKind::AddrOf(_, _, inner) => self.expr(inner).map(|r| Constant::Ref(Box::new(r))), // TODO: add other expressions. _ => None, } @@ -349,7 +349,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { ) .ok() .map(|val| rustc_middle::ty::Const::from_value(self.lcx.tcx, val, ty))?; - let result = miri_to_const(&result); + let result = miri_to_const(result); if result.is_some() { self.needed_resolution = true; } diff --git a/src/tools/clippy/clippy_utils/src/diagnostics.rs b/src/tools/clippy/clippy_utils/src/diagnostics.rs index a4efae54894..7c94474cb35 100644 --- a/src/tools/clippy/clippy_utils/src/diagnostics.rs +++ b/src/tools/clippy/clippy_utils/src/diagnostics.rs @@ -167,7 +167,7 @@ pub fn span_lint_hir_and_then( cx: &LateContext<'_>, lint: &'static Lint, hir_id: HirId, - sp: Span, + sp: impl Into<MultiSpan>, msg: &str, f: impl FnOnce(&mut DiagnosticBuilder<'_>), ) { @@ -223,7 +223,7 @@ pub fn multispan_sugg<I>(diag: &mut DiagnosticBuilder<'_>, help_msg: &str, sugg: where I: IntoIterator<Item = (Span, String)>, { - multispan_sugg_with_applicability(diag, help_msg, Applicability::Unspecified, sugg) + multispan_sugg_with_applicability(diag, help_msg, Applicability::Unspecified, sugg); } /// Create a suggestion made from several `span → replacement`. diff --git a/src/tools/clippy/clippy_utils/src/higher.rs b/src/tools/clippy/clippy_utils/src/higher.rs index 0c0e4d3b4ce..8be36756b33 100644 --- a/src/tools/clippy/clippy_utils/src/higher.rs +++ b/src/tools/clippy/clippy_utils/src/higher.rs @@ -58,7 +58,7 @@ pub fn range<'a>(expr: &'a hir::Expr<'_>) -> Option<Range<'a>> { } match expr.kind { - hir::ExprKind::Call(ref path, ref args) + hir::ExprKind::Call(path, args) if matches!( path.kind, hir::ExprKind::Path(hir::QPath::LangItem(hir::LangItem::RangeInclusiveNew, _)) @@ -70,7 +70,7 @@ pub fn range<'a>(expr: &'a hir::Expr<'_>) -> Option<Range<'a>> { limits: ast::RangeLimits::Closed, }) }, - hir::ExprKind::Struct(ref path, ref fields, None) => match path { + hir::ExprKind::Struct(path, fields, None) => match path { hir::QPath::LangItem(hir::LangItem::RangeFull, _) => Some(Range { start: None, end: None, @@ -112,7 +112,7 @@ pub fn is_from_for_desugar(local: &hir::Local<'_>) -> bool { // } // ``` if_chain! { - if let Some(ref expr) = local.init; + if let Some(expr) = local.init; if let hir::ExprKind::Match(_, _, hir::MatchSource::ForLoopDesugar) = expr.kind; then { return true; @@ -140,14 +140,14 @@ pub fn for_loop<'tcx>( expr: &'tcx hir::Expr<'tcx>, ) -> Option<(&hir::Pat<'_>, &'tcx hir::Expr<'tcx>, &'tcx hir::Expr<'tcx>, Span)> { if_chain! { - if let hir::ExprKind::Match(ref iterexpr, ref arms, hir::MatchSource::ForLoopDesugar) = expr.kind; - if let hir::ExprKind::Call(_, ref iterargs) = iterexpr.kind; + if let hir::ExprKind::Match(iterexpr, arms, hir::MatchSource::ForLoopDesugar) = expr.kind; + if let hir::ExprKind::Call(_, iterargs) = iterexpr.kind; if iterargs.len() == 1 && arms.len() == 1 && arms[0].guard.is_none(); - if let hir::ExprKind::Loop(ref block, ..) = arms[0].body.kind; + if let hir::ExprKind::Loop(block, ..) = arms[0].body.kind; if block.expr.is_none(); if let [ _, _, ref let_stmt, ref body ] = *block.stmts; - if let hir::StmtKind::Local(ref local) = let_stmt.kind; - if let hir::StmtKind::Expr(ref expr) = body.kind; + if let hir::StmtKind::Local(local) = let_stmt.kind; + if let hir::StmtKind::Expr(expr) = body.kind; then { return Some((&*local.pat, &iterargs[0], expr, arms[0].span)); } @@ -182,7 +182,7 @@ pub enum VecArgs<'a> { /// from `vec!`. pub fn vec_macro<'e>(cx: &LateContext<'_>, expr: &'e hir::Expr<'_>) -> Option<VecArgs<'e>> { if_chain! { - if let hir::ExprKind::Call(ref fun, ref args) = expr.kind; + if let hir::ExprKind::Call(fun, args) = expr.kind; if let hir::ExprKind::Path(ref qpath) = fun.kind; if is_expn_of(fun.span, "vec").is_some(); if let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id(); @@ -194,8 +194,8 @@ pub fn vec_macro<'e>(cx: &LateContext<'_>, expr: &'e hir::Expr<'_>) -> Option<Ve else if match_def_path(cx, fun_def_id, &paths::SLICE_INTO_VEC) && args.len() == 1 { // `vec![a, b, c]` case if_chain! { - if let hir::ExprKind::Box(ref boxed) = args[0].kind; - if let hir::ExprKind::Array(ref args) = boxed.kind; + if let hir::ExprKind::Box(boxed) = args[0].kind; + if let hir::ExprKind::Array(args) = boxed.kind; then { return Some(VecArgs::Vec(&*args)); } @@ -227,7 +227,7 @@ pub fn extract_assert_macro_args<'tcx>(e: &'tcx Expr<'tcx>) -> Option<Vec<&'tcx /// compared fn ast_matchblock(matchblock_expr: &'tcx Expr<'tcx>) -> Option<Vec<&Expr<'_>>> { if_chain! { - if let ExprKind::Match(ref headerexpr, _, _) = &matchblock_expr.kind; + if let ExprKind::Match(headerexpr, _, _) = &matchblock_expr.kind; if let ExprKind::Tup([lhs, rhs]) = &headerexpr.kind; if let ExprKind::AddrOf(BorrowKind::Ref, _, lhs) = lhs.kind; if let ExprKind::AddrOf(BorrowKind::Ref, _, rhs) = rhs.kind; @@ -238,12 +238,12 @@ pub fn extract_assert_macro_args<'tcx>(e: &'tcx Expr<'tcx>) -> Option<Vec<&'tcx None } - if let ExprKind::Block(ref block, _) = e.kind { + if let ExprKind::Block(block, _) = e.kind { if block.stmts.len() == 1 { - if let StmtKind::Semi(ref matchexpr) = block.stmts.get(0)?.kind { + if let StmtKind::Semi(matchexpr) = block.stmts.get(0)?.kind { // macros with unique arg: `{debug_}assert!` (e.g., `debug_assert!(some_condition)`) if_chain! { - if let ExprKind::If(ref clause, _, _) = matchexpr.kind; + if let ExprKind::If(clause, _, _) = matchexpr.kind; if let ExprKind::Unary(UnOp::Not, condition) = clause.kind; then { return Some(vec![condition]); @@ -252,8 +252,8 @@ pub fn extract_assert_macro_args<'tcx>(e: &'tcx Expr<'tcx>) -> Option<Vec<&'tcx // debug macros with two args: `debug_assert_{ne, eq}` (e.g., `assert_ne!(a, b)`) if_chain! { - if let ExprKind::Block(ref matchblock,_) = matchexpr.kind; - if let Some(ref matchblock_expr) = matchblock.expr; + if let ExprKind::Block(matchblock,_) = matchexpr.kind; + if let Some(matchblock_expr) = matchblock.expr; then { return ast_matchblock(matchblock_expr); } @@ -261,7 +261,7 @@ pub fn extract_assert_macro_args<'tcx>(e: &'tcx Expr<'tcx>) -> Option<Vec<&'tcx } } else if let Some(matchblock_expr) = block.expr { // macros with two args: `assert_{ne, eq}` (e.g., `assert_ne!(a, b)`) - return ast_matchblock(&matchblock_expr); + return ast_matchblock(matchblock_expr); } } None diff --git a/src/tools/clippy/clippy_utils/src/hir_utils.rs b/src/tools/clippy/clippy_utils/src/hir_utils.rs index 3b01158acd9..a21ad42c061 100644 --- a/src/tools/clippy/clippy_utils/src/hir_utils.rs +++ b/src/tools/clippy/clippy_utils/src/hir_utils.rs @@ -2,20 +2,19 @@ use crate::consts::{constant_context, constant_simple}; use crate::differing_macro_contexts; use crate::source::snippet_opt; use rustc_ast::ast::InlineAsmTemplatePiece; -use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; +use rustc_data_structures::fx::FxHasher; use rustc_hir::def::Res; use rustc_hir::HirIdMap; use rustc_hir::{ - BinOpKind, Block, BlockCheckMode, BodyId, BorrowKind, CaptureBy, Expr, ExprField, ExprKind, FnRetTy, GenericArg, - GenericArgs, Guard, HirId, InlineAsmOperand, Lifetime, LifetimeName, ParamName, Pat, PatField, PatKind, Path, - PathSegment, QPath, Stmt, StmtKind, Ty, TyKind, TypeBinding, + BinOpKind, Block, BodyId, Expr, ExprField, ExprKind, FnRetTy, GenericArg, GenericArgs, Guard, HirId, + InlineAsmOperand, Lifetime, LifetimeName, ParamName, Pat, PatField, PatKind, Path, PathSegment, QPath, Stmt, + StmtKind, Ty, TyKind, TypeBinding, }; use rustc_lexer::{tokenize, TokenKind}; use rustc_lint::LateContext; -use rustc_middle::ich::StableHashingContextProvider; use rustc_middle::ty::TypeckResults; use rustc_span::Symbol; -use std::hash::Hash; +use std::hash::{Hash, Hasher}; /// Type used to check whether two ast are the same. This is different from the /// operator @@ -95,12 +94,12 @@ pub struct HirEqInterExpr<'a, 'b, 'tcx> { impl HirEqInterExpr<'_, '_, '_> { pub fn eq_stmt(&mut self, left: &Stmt<'_>, right: &Stmt<'_>) -> bool { match (&left.kind, &right.kind) { - (&StmtKind::Local(ref l), &StmtKind::Local(ref r)) => { + (&StmtKind::Local(l), &StmtKind::Local(r)) => { // This additional check ensures that the type of the locals are equivalent even if the init // expression or type have some inferred parts. if let Some(typeck) = self.inner.maybe_typeck_results { - let l_ty = typeck.pat_ty(&l.pat); - let r_ty = typeck.pat_ty(&r.pat); + let l_ty = typeck.pat_ty(l.pat); + let r_ty = typeck.pat_ty(r.pat); if !rustc_middle::ty::TyS::same_type(l_ty, r_ty) { return false; } @@ -110,11 +109,9 @@ impl HirEqInterExpr<'_, '_, '_> { // these only get added if the init and type is equal. both(&l.init, &r.init, |l, r| self.eq_expr(l, r)) && both(&l.ty, &r.ty, |l, r| self.eq_ty(l, r)) - && self.eq_pat(&l.pat, &r.pat) - }, - (&StmtKind::Expr(ref l), &StmtKind::Expr(ref r)) | (&StmtKind::Semi(ref l), &StmtKind::Semi(ref r)) => { - self.eq_expr(l, r) + && self.eq_pat(l.pat, r.pat) }, + (&StmtKind::Expr(l), &StmtKind::Expr(r)) | (&StmtKind::Semi(l), &StmtKind::Semi(r)) => self.eq_expr(l, r), _ => false, } } @@ -165,12 +162,18 @@ impl HirEqInterExpr<'_, '_, '_> { left.eq(right) }, _ => { - over(&left.stmts, &right.stmts, |l, r| self.eq_stmt(l, r)) + over(left.stmts, right.stmts, |l, r| self.eq_stmt(l, r)) && both(&left.expr, &right.expr, |l, r| self.eq_expr(l, r)) }, } } + pub fn eq_body(&mut self, left: BodyId, right: BodyId) -> bool { + let cx = self.inner.cx; + let eval_const = |body| constant_context(cx, cx.tcx.typeck_body(body)).expr(&cx.tcx.hir().body(body).value); + eval_const(left) == eval_const(right) + } + #[allow(clippy::similar_names)] pub fn eq_expr(&mut self, left: &Expr<'_>, right: &Expr<'_>) -> bool { if !self.inner.allow_side_effects && differing_macro_contexts(left.span, right.span) { @@ -192,20 +195,20 @@ impl HirEqInterExpr<'_, '_, '_> { &reduce_exprkind(self.inner.cx, &left.kind), &reduce_exprkind(self.inner.cx, &right.kind), ) { - (&ExprKind::AddrOf(lb, l_mut, ref le), &ExprKind::AddrOf(rb, r_mut, ref re)) => { + (&ExprKind::AddrOf(lb, l_mut, le), &ExprKind::AddrOf(rb, r_mut, re)) => { lb == rb && l_mut == r_mut && self.eq_expr(le, re) }, (&ExprKind::Continue(li), &ExprKind::Continue(ri)) => { both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name) }, - (&ExprKind::Assign(ref ll, ref lr, _), &ExprKind::Assign(ref rl, ref rr, _)) => { + (&ExprKind::Assign(ll, lr, _), &ExprKind::Assign(rl, rr, _)) => { self.inner.allow_side_effects && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) }, - (&ExprKind::AssignOp(ref lo, ref ll, ref lr), &ExprKind::AssignOp(ref ro, ref rl, ref rr)) => { + (&ExprKind::AssignOp(ref lo, ll, lr), &ExprKind::AssignOp(ref ro, rl, rr)) => { self.inner.allow_side_effects && lo.node == ro.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) }, - (&ExprKind::Block(ref l, _), &ExprKind::Block(ref r, _)) => self.eq_block(l, r), - (&ExprKind::Binary(l_op, ref ll, ref lr), &ExprKind::Binary(r_op, ref rl, ref rr)) => { + (&ExprKind::Block(l, _), &ExprKind::Block(r, _)) => self.eq_block(l, r), + (&ExprKind::Binary(l_op, ll, lr), &ExprKind::Binary(r_op, rl, rr)) => { l_op.node == r_op.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) || swap_binop(l_op.node, ll, lr).map_or(false, |(l_op, ll, lr)| { l_op == r_op.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) @@ -215,58 +218,50 @@ impl HirEqInterExpr<'_, '_, '_> { both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name) && both(le, re, |l, r| self.eq_expr(l, r)) }, - (&ExprKind::Box(ref l), &ExprKind::Box(ref r)) => self.eq_expr(l, r), + (&ExprKind::Box(l), &ExprKind::Box(r)) => self.eq_expr(l, r), (&ExprKind::Call(l_fun, l_args), &ExprKind::Call(r_fun, r_args)) => { self.inner.allow_side_effects && self.eq_expr(l_fun, r_fun) && self.eq_exprs(l_args, r_args) }, - (&ExprKind::Cast(ref lx, ref lt), &ExprKind::Cast(ref rx, ref rt)) - | (&ExprKind::Type(ref lx, ref lt), &ExprKind::Type(ref rx, ref rt)) => { + (&ExprKind::Cast(lx, lt), &ExprKind::Cast(rx, rt)) | (&ExprKind::Type(lx, lt), &ExprKind::Type(rx, rt)) => { self.eq_expr(lx, rx) && self.eq_ty(lt, rt) }, - (&ExprKind::Field(ref l_f_exp, ref l_f_ident), &ExprKind::Field(ref r_f_exp, ref r_f_ident)) => { + (&ExprKind::Field(l_f_exp, ref l_f_ident), &ExprKind::Field(r_f_exp, ref r_f_ident)) => { l_f_ident.name == r_f_ident.name && self.eq_expr(l_f_exp, r_f_exp) }, - (&ExprKind::Index(ref la, ref li), &ExprKind::Index(ref ra, ref ri)) => { - self.eq_expr(la, ra) && self.eq_expr(li, ri) - }, - (&ExprKind::If(ref lc, ref lt, ref le), &ExprKind::If(ref rc, ref rt, ref re)) => { + (&ExprKind::Index(la, li), &ExprKind::Index(ra, ri)) => self.eq_expr(la, ra) && self.eq_expr(li, ri), + (&ExprKind::If(lc, lt, ref le), &ExprKind::If(rc, rt, ref re)) => { self.eq_expr(lc, rc) && self.eq_expr(&**lt, &**rt) && both(le, re, |l, r| self.eq_expr(l, r)) }, (&ExprKind::Lit(ref l), &ExprKind::Lit(ref r)) => l.node == r.node, - (&ExprKind::Loop(ref lb, ref ll, ref lls, _), &ExprKind::Loop(ref rb, ref rl, ref rls, _)) => { + (&ExprKind::Loop(lb, ref ll, ref lls, _), &ExprKind::Loop(rb, ref rl, ref rls, _)) => { lls == rls && self.eq_block(lb, rb) && both(ll, rl, |l, r| l.ident.name == r.ident.name) }, - (&ExprKind::Match(ref le, ref la, ref ls), &ExprKind::Match(ref re, ref ra, ref rs)) => { + (&ExprKind::Match(le, la, ref ls), &ExprKind::Match(re, ra, ref rs)) => { ls == rs && self.eq_expr(le, re) && over(la, ra, |l, r| { - self.eq_pat(&l.pat, &r.pat) + self.eq_pat(l.pat, r.pat) && both(&l.guard, &r.guard, |l, r| self.eq_guard(l, r)) - && self.eq_expr(&l.body, &r.body) + && self.eq_expr(l.body, r.body) }) }, (&ExprKind::MethodCall(l_path, _, l_args, _), &ExprKind::MethodCall(r_path, _, r_args, _)) => { self.inner.allow_side_effects && self.eq_path_segment(l_path, r_path) && self.eq_exprs(l_args, r_args) }, - (&ExprKind::Repeat(ref le, ref ll_id), &ExprKind::Repeat(ref re, ref rl_id)) => { - let mut celcx = constant_context(self.inner.cx, self.inner.cx.tcx.typeck_body(ll_id.body)); - let ll = celcx.expr(&self.inner.cx.tcx.hir().body(ll_id.body).value); - let mut celcx = constant_context(self.inner.cx, self.inner.cx.tcx.typeck_body(rl_id.body)); - let rl = celcx.expr(&self.inner.cx.tcx.hir().body(rl_id.body).value); - - self.eq_expr(le, re) && ll == rl + (&ExprKind::Repeat(le, ref ll_id), &ExprKind::Repeat(re, ref rl_id)) => { + self.eq_expr(le, re) && self.eq_body(ll_id.body, rl_id.body) }, (&ExprKind::Ret(ref l), &ExprKind::Ret(ref r)) => both(l, r, |l, r| self.eq_expr(l, r)), (&ExprKind::Path(ref l), &ExprKind::Path(ref r)) => self.eq_qpath(l, r), - (&ExprKind::Struct(ref l_path, ref lf, ref lo), &ExprKind::Struct(ref r_path, ref rf, ref ro)) => { + (&ExprKind::Struct(l_path, lf, ref lo), &ExprKind::Struct(r_path, rf, ref ro)) => { self.eq_qpath(l_path, r_path) && both(lo, ro, |l, r| self.eq_expr(l, r)) && over(lf, rf, |l, r| self.eq_expr_field(l, r)) }, (&ExprKind::Tup(l_tup), &ExprKind::Tup(r_tup)) => self.eq_exprs(l_tup, r_tup), - (&ExprKind::Unary(l_op, ref le), &ExprKind::Unary(r_op, ref re)) => l_op == r_op && self.eq_expr(le, re), + (&ExprKind::Unary(l_op, le), &ExprKind::Unary(r_op, re)) => l_op == r_op && self.eq_expr(le, re), (&ExprKind::Array(l), &ExprKind::Array(r)) => self.eq_exprs(l, r), - (&ExprKind::DropTemps(ref le), &ExprKind::DropTemps(ref re)) => self.eq_expr(le, re), + (&ExprKind::DropTemps(le), &ExprKind::DropTemps(re)) => self.eq_expr(le, re), _ => false, }; is_eq || self.inner.expr_fallback.as_mut().map_or(false, |f| f(left, right)) @@ -277,7 +272,7 @@ impl HirEqInterExpr<'_, '_, '_> { } fn eq_expr_field(&mut self, left: &ExprField<'_>, right: &ExprField<'_>) -> bool { - left.ident.name == right.ident.name && self.eq_expr(&left.expr, &right.expr) + left.ident.name == right.ident.name && self.eq_expr(left.expr, right.expr) } fn eq_guard(&mut self, left: &Guard<'_>, right: &Guard<'_>) -> bool { @@ -290,6 +285,7 @@ impl HirEqInterExpr<'_, '_, '_> { fn eq_generic_arg(&mut self, left: &GenericArg<'_>, right: &GenericArg<'_>) -> bool { match (left, right) { + (GenericArg::Const(l), GenericArg::Const(r)) => self.eq_body(l.value.body, r.value.body), (GenericArg::Lifetime(l_lt), GenericArg::Lifetime(r_lt)) => Self::eq_lifetime(l_lt, r_lt), (GenericArg::Type(l_ty), GenericArg::Type(r_ty)) => self.eq_ty(l_ty, r_ty), _ => false, @@ -308,11 +304,11 @@ impl HirEqInterExpr<'_, '_, '_> { /// Checks whether two patterns are the same. fn eq_pat(&mut self, left: &Pat<'_>, right: &Pat<'_>) -> bool { match (&left.kind, &right.kind) { - (&PatKind::Box(ref l), &PatKind::Box(ref r)) => self.eq_pat(l, r), - (&PatKind::Struct(ref lp, ref la, ..), &PatKind::Struct(ref rp, ref ra, ..)) => { + (&PatKind::Box(l), &PatKind::Box(r)) => self.eq_pat(l, r), + (&PatKind::Struct(ref lp, la, ..), &PatKind::Struct(ref rp, ra, ..)) => { self.eq_qpath(lp, rp) && over(la, ra, |l, r| self.eq_pat_field(l, r)) }, - (&PatKind::TupleStruct(ref lp, ref la, ls), &PatKind::TupleStruct(ref rp, ref ra, rs)) => { + (&PatKind::TupleStruct(ref lp, la, ls), &PatKind::TupleStruct(ref rp, ra, rs)) => { self.eq_qpath(lp, rp) && over(la, ra, |l, r| self.eq_pat(l, r)) && ls == rs }, (&PatKind::Binding(lb, li, _, ref lp), &PatKind::Binding(rb, ri, _, ref rp)) => { @@ -323,15 +319,13 @@ impl HirEqInterExpr<'_, '_, '_> { eq }, (&PatKind::Path(ref l), &PatKind::Path(ref r)) => self.eq_qpath(l, r), - (&PatKind::Lit(ref l), &PatKind::Lit(ref r)) => self.eq_expr(l, r), - (&PatKind::Tuple(ref l, ls), &PatKind::Tuple(ref r, rs)) => { - ls == rs && over(l, r, |l, r| self.eq_pat(l, r)) - }, + (&PatKind::Lit(l), &PatKind::Lit(r)) => self.eq_expr(l, r), + (&PatKind::Tuple(l, ls), &PatKind::Tuple(r, rs)) => ls == rs && over(l, r, |l, r| self.eq_pat(l, r)), (&PatKind::Range(ref ls, ref le, li), &PatKind::Range(ref rs, ref re, ri)) => { both(ls, rs, |a, b| self.eq_expr(a, b)) && both(le, re, |a, b| self.eq_expr(a, b)) && (li == ri) }, - (&PatKind::Ref(ref le, ref lm), &PatKind::Ref(ref re, ref rm)) => lm == rm && self.eq_pat(le, re), - (&PatKind::Slice(ref ls, ref li, ref le), &PatKind::Slice(ref rs, ref ri, ref re)) => { + (&PatKind::Ref(le, ref lm), &PatKind::Ref(re, ref rm)) => lm == rm && self.eq_pat(le, re), + (&PatKind::Slice(ls, ref li, le), &PatKind::Slice(rs, ref ri, re)) => { over(ls, rs, |l, r| self.eq_pat(l, r)) && over(le, re, |l, r| self.eq_pat(l, r)) && both(li, ri, |l, r| self.eq_pat(l, r)) @@ -344,10 +338,10 @@ impl HirEqInterExpr<'_, '_, '_> { #[allow(clippy::similar_names)] fn eq_qpath(&mut self, left: &QPath<'_>, right: &QPath<'_>) -> bool { match (left, right) { - (&QPath::Resolved(ref lty, ref lpath), &QPath::Resolved(ref rty, ref rpath)) => { + (&QPath::Resolved(ref lty, lpath), &QPath::Resolved(ref rty, rpath)) => { both(lty, rty, |l, r| self.eq_ty(l, r)) && self.eq_path(lpath, rpath) }, - (&QPath::TypeRelative(ref lty, ref lseg), &QPath::TypeRelative(ref rty, ref rseg)) => { + (&QPath::TypeRelative(lty, lseg), &QPath::TypeRelative(rty, rseg)) => { self.eq_ty(lty, rty) && self.eq_path_segment(lseg, rseg) }, (&QPath::LangItem(llang_item, _), &QPath::LangItem(rlang_item, _)) => llang_item == rlang_item, @@ -359,14 +353,14 @@ impl HirEqInterExpr<'_, '_, '_> { match (left.res, right.res) { (Res::Local(l), Res::Local(r)) => l == r || self.locals.get(&l) == Some(&r), (Res::Local(_), _) | (_, Res::Local(_)) => false, - _ => over(&left.segments, &right.segments, |l, r| self.eq_path_segment(l, r)), + _ => over(left.segments, right.segments, |l, r| self.eq_path_segment(l, r)), } } fn eq_path_parameters(&mut self, left: &GenericArgs<'_>, right: &GenericArgs<'_>) -> bool { if !(left.parenthesized || right.parenthesized) { - over(&left.args, &right.args, |l, r| self.eq_generic_arg(l, r)) // FIXME(flip1995): may not work - && over(&left.bindings, &right.bindings, |l, r| self.eq_type_binding(l, r)) + over(left.args, right.args, |l, r| self.eq_generic_arg(l, r)) // FIXME(flip1995): may not work + && over(left.bindings, right.bindings, |l, r| self.eq_type_binding(l, r)) } else if left.parenthesized && right.parenthesized { over(left.inputs(), right.inputs(), |l, r| self.eq_ty(l, r)) && both(&Some(&left.bindings[0].ty()), &Some(&right.bindings[0].ty()), |l, r| { @@ -390,12 +384,9 @@ impl HirEqInterExpr<'_, '_, '_> { #[allow(clippy::similar_names)] fn eq_ty(&mut self, left: &Ty<'_>, right: &Ty<'_>) -> bool { match (&left.kind, &right.kind) { - (&TyKind::Slice(ref l_vec), &TyKind::Slice(ref r_vec)) => self.eq_ty(l_vec, r_vec), - (&TyKind::Array(ref lt, ref ll_id), &TyKind::Array(ref rt, ref rl_id)) => { - let cx = self.inner.cx; - let eval_const = - |body| constant_context(cx, cx.tcx.typeck_body(body)).expr(&cx.tcx.hir().body(body).value); - self.eq_ty(lt, rt) && eval_const(ll_id.body) == eval_const(rl_id.body) + (&TyKind::Slice(l_vec), &TyKind::Slice(r_vec)) => self.eq_ty(l_vec, r_vec), + (&TyKind::Array(lt, ref ll_id), &TyKind::Array(rt, ref rl_id)) => { + self.eq_ty(lt, rt) && self.eq_body(ll_id.body, rl_id.body) }, (&TyKind::Ptr(ref l_mut), &TyKind::Ptr(ref r_mut)) => { l_mut.mutbl == r_mut.mutbl && self.eq_ty(&*l_mut.ty, &*r_mut.ty) @@ -404,14 +395,14 @@ impl HirEqInterExpr<'_, '_, '_> { l_rmut.mutbl == r_rmut.mutbl && self.eq_ty(&*l_rmut.ty, &*r_rmut.ty) }, (&TyKind::Path(ref l), &TyKind::Path(ref r)) => self.eq_qpath(l, r), - (&TyKind::Tup(ref l), &TyKind::Tup(ref r)) => over(l, r, |l, r| self.eq_ty(l, r)), + (&TyKind::Tup(l), &TyKind::Tup(r)) => over(l, r, |l, r| self.eq_ty(l, r)), (&TyKind::Infer, &TyKind::Infer) => true, _ => false, } } fn eq_type_binding(&mut self, left: &TypeBinding<'_>, right: &TypeBinding<'_>) -> bool { - left.ident.name == right.ident.name && self.eq_ty(&left.ty(), &right.ty()) + left.ident.name == right.ident.name && self.eq_ty(left.ty(), right.ty()) } } @@ -519,7 +510,7 @@ pub struct SpanlessHash<'a, 'tcx> { /// Context used to evaluate constant expressions. cx: &'a LateContext<'tcx>, maybe_typeck_results: Option<&'tcx TypeckResults<'tcx>>, - s: StableHasher, + s: FxHasher, } impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { @@ -527,7 +518,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { Self { cx, maybe_typeck_results: cx.maybe_typeck_results(), - s: StableHasher::new(), + s: FxHasher::default(), } } @@ -540,17 +531,11 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_stmt(s); } - if let Some(ref e) = b.expr { + if let Some(e) = b.expr { self.hash_expr(e); } - match b.rules { - BlockCheckMode::DefaultBlock => 0, - BlockCheckMode::UnsafeBlock(_) => 1, - BlockCheckMode::PushUnsafeBlock(_) => 2, - BlockCheckMode::PopUnsafeBlock(_) => 3, - } - .hash(&mut self.s); + std::mem::discriminant(&b.rules).hash(&mut self.s); } #[allow(clippy::many_single_char_names, clippy::too_many_lines)] @@ -561,21 +546,16 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { // const hashing may result in the same hash as some unrelated node, so add a sort of // discriminant depending on which path we're choosing next - simple_const.is_some().hash(&mut self.s); - - if let Some(e) = simple_const { - return e.hash(&mut self.s); + simple_const.hash(&mut self.s); + if simple_const.is_some() { + return; } std::mem::discriminant(&e.kind).hash(&mut self.s); match e.kind { - ExprKind::AddrOf(kind, m, ref e) => { - match kind { - BorrowKind::Ref => 0, - BorrowKind::Raw => 1, - } - .hash(&mut self.s); + ExprKind::AddrOf(kind, m, e) => { + std::mem::discriminant(&kind).hash(&mut self.s); m.hash(&mut self.s); self.hash_expr(e); }, @@ -584,22 +564,20 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_name(i.ident.name); } }, - ExprKind::Assign(ref l, ref r, _) => { + ExprKind::Assign(l, r, _) => { self.hash_expr(l); self.hash_expr(r); }, - ExprKind::AssignOp(ref o, ref l, ref r) => { - o.node - .hash_stable(&mut self.cx.tcx.get_stable_hashing_context(), &mut self.s); + ExprKind::AssignOp(ref o, l, r) => { + std::mem::discriminant(&o.node).hash(&mut self.s); self.hash_expr(l); self.hash_expr(r); }, - ExprKind::Block(ref b, _) => { + ExprKind::Block(b, _) => { self.hash_block(b); }, - ExprKind::Binary(op, ref l, ref r) => { - op.node - .hash_stable(&mut self.cx.tcx.get_stable_hashing_context(), &mut self.s); + ExprKind::Binary(op, l, r) => { + std::mem::discriminant(&op.node).hash(&mut self.s); self.hash_expr(l); self.hash_expr(r); }, @@ -607,39 +585,35 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { if let Some(i) = i.label { self.hash_name(i.ident.name); } - if let Some(ref j) = *j { + if let Some(j) = *j { self.hash_expr(&*j); } }, - ExprKind::Box(ref e) | ExprKind::DropTemps(ref e) | ExprKind::Yield(ref e, _) => { + ExprKind::Box(e) | ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { self.hash_expr(e); }, - ExprKind::Call(ref fun, args) => { + ExprKind::Call(fun, args) => { self.hash_expr(fun); self.hash_exprs(args); }, - ExprKind::Cast(ref e, ref ty) | ExprKind::Type(ref e, ref ty) => { + ExprKind::Cast(e, ty) | ExprKind::Type(e, ty) => { self.hash_expr(e); self.hash_ty(ty); }, ExprKind::Closure(cap, _, eid, _, _) => { - match cap { - CaptureBy::Value => 0, - CaptureBy::Ref => 1, - } - .hash(&mut self.s); + std::mem::discriminant(&cap).hash(&mut self.s); // closures inherit TypeckResults self.hash_expr(&self.cx.tcx.hir().body(eid).value); }, - ExprKind::Field(ref e, ref f) => { + ExprKind::Field(e, ref f) => { self.hash_expr(e); self.hash_name(f.name); }, - ExprKind::Index(ref a, ref i) => { + ExprKind::Index(a, i) => { self.hash_expr(a); self.hash_expr(i); }, - ExprKind::InlineAsm(ref asm) => { + ExprKind::InlineAsm(asm) => { for piece in asm.template { match piece { InlineAsmTemplatePiece::String(s) => s.hash(&mut self.s), @@ -694,22 +668,20 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { ExprKind::Lit(ref l) => { l.node.hash(&mut self.s); }, - ExprKind::Loop(ref b, ref i, ..) => { + ExprKind::Loop(b, ref i, ..) => { self.hash_block(b); if let Some(i) = *i { self.hash_name(i.ident.name); } }, - ExprKind::If(ref cond, ref then, ref else_opt) => { - let c: fn(_, _, _) -> _ = ExprKind::If; - c.hash(&mut self.s); + ExprKind::If(cond, then, ref else_opt) => { self.hash_expr(cond); - self.hash_expr(&**then); - if let Some(ref e) = *else_opt { + self.hash_expr(then); + if let Some(e) = *else_opt { self.hash_expr(e); } }, - ExprKind::Match(ref e, arms, ref s) => { + ExprKind::Match(e, arms, ref s) => { self.hash_expr(e); for arm in arms { @@ -717,39 +689,39 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { if let Some(ref e) = arm.guard { self.hash_guard(e); } - self.hash_expr(&arm.body); + self.hash_expr(arm.body); } s.hash(&mut self.s); }, - ExprKind::MethodCall(ref path, ref _tys, args, ref _fn_span) => { + ExprKind::MethodCall(path, ref _tys, args, ref _fn_span) => { self.hash_name(path.ident.name); self.hash_exprs(args); }, ExprKind::ConstBlock(ref l_id) => { self.hash_body(l_id.body); }, - ExprKind::Repeat(ref e, ref l_id) => { + ExprKind::Repeat(e, ref l_id) => { self.hash_expr(e); self.hash_body(l_id.body); }, ExprKind::Ret(ref e) => { - if let Some(ref e) = *e { + if let Some(e) = *e { self.hash_expr(e); } }, ExprKind::Path(ref qpath) => { self.hash_qpath(qpath); }, - ExprKind::Struct(ref path, fields, ref expr) => { + ExprKind::Struct(path, fields, ref expr) => { self.hash_qpath(path); for f in fields { self.hash_name(f.ident.name); - self.hash_expr(&f.expr); + self.hash_expr(f.expr); } - if let Some(ref e) = *expr { + if let Some(e) = *expr { self.hash_expr(e); } }, @@ -759,8 +731,8 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { ExprKind::Array(v) => { self.hash_exprs(v); }, - ExprKind::Unary(lop, ref le) => { - lop.hash_stable(&mut self.cx.tcx.get_stable_hashing_context(), &mut self.s); + ExprKind::Unary(lop, le) => { + std::mem::discriminant(&lop).hash(&mut self.s); self.hash_expr(le); }, } @@ -773,19 +745,19 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { } pub fn hash_name(&mut self, n: Symbol) { - n.as_str().hash(&mut self.s); + n.hash(&mut self.s); } pub fn hash_qpath(&mut self, p: &QPath<'_>) { match *p { - QPath::Resolved(_, ref path) => { + QPath::Resolved(_, path) => { self.hash_path(path); }, - QPath::TypeRelative(_, ref path) => { + QPath::TypeRelative(_, path) => { self.hash_name(path.ident.name); }, QPath::LangItem(lang_item, ..) => { - lang_item.hash_stable(&mut self.cx.tcx.get_stable_hashing_context(), &mut self.s); + std::mem::discriminant(&lang_item).hash(&mut self.s); }, } // self.maybe_typeck_results.unwrap().qpath_res(p, id).hash(&mut self.s); @@ -795,7 +767,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { std::mem::discriminant(&pat.kind).hash(&mut self.s); match pat.kind { PatKind::Binding(ann, _, _, pat) => { - ann.hash_stable(&mut self.cx.tcx.get_stable_hashing_context(), &mut self.s); + std::mem::discriminant(&ann).hash(&mut self.s); if let Some(pat) = pat { self.hash_pat(pat); } @@ -815,11 +787,11 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { if let Some(e) = e { self.hash_expr(e); } - i.hash_stable(&mut self.cx.tcx.get_stable_hashing_context(), &mut self.s); + std::mem::discriminant(&i).hash(&mut self.s); }, - PatKind::Ref(pat, m) => { + PatKind::Ref(pat, mu) => { self.hash_pat(pat); - m.hash(&mut self.s); + std::mem::discriminant(&mu).hash(&mut self.s); }, PatKind::Slice(l, m, r) => { for pat in l { @@ -838,7 +810,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_name(f.ident.name); self.hash_pat(f.pat); } - e.hash(&mut self.s) + e.hash(&mut self.s); }, PatKind::Tuple(pats, e) => { for pat in pats { @@ -864,6 +836,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { _ => { for seg in path.segments { self.hash_name(seg.ident.name); + self.hash_generic_args(seg.args().args); } }, } @@ -875,7 +848,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { match &b.kind { StmtKind::Local(local) => { self.hash_pat(local.pat); - if let Some(ref init) = local.init { + if let Some(init) = local.init { self.hash_expr(init); } }, @@ -888,7 +861,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { pub fn hash_guard(&mut self, g: &Guard<'_>) { match g { - Guard::If(ref expr) | Guard::IfLet(_, ref expr) => { + Guard::If(expr) | Guard::IfLet(_, expr) => { self.hash_expr(expr); }, } @@ -921,25 +894,24 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_body(anon_const.body); }, TyKind::Ptr(ref mut_ty) => { - self.hash_ty(&mut_ty.ty); + self.hash_ty(mut_ty.ty); mut_ty.mutbl.hash(&mut self.s); }, TyKind::Rptr(lifetime, ref mut_ty) => { self.hash_lifetime(lifetime); - self.hash_ty(&mut_ty.ty); + self.hash_ty(mut_ty.ty); mut_ty.mutbl.hash(&mut self.s); }, TyKind::BareFn(bfn) => { bfn.unsafety.hash(&mut self.s); bfn.abi.hash(&mut self.s); for arg in bfn.decl.inputs { - self.hash_ty(&arg); + self.hash_ty(arg); } + std::mem::discriminant(&bfn.decl.output).hash(&mut self.s); match bfn.decl.output { - FnRetTy::DefaultReturn(_) => { - ().hash(&mut self.s); - }, - FnRetTy::Return(ref ty) => { + FnRetTy::DefaultReturn(_) => {}, + FnRetTy::Return(ty) => { self.hash_ty(ty); }, } @@ -950,24 +922,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_ty(ty); } }, - TyKind::Path(ref qpath) => match qpath { - QPath::Resolved(ref maybe_ty, ref path) => { - if let Some(ref ty) = maybe_ty { - self.hash_ty(ty); - } - for segment in path.segments { - segment.ident.name.hash(&mut self.s); - self.hash_generic_args(segment.args().args); - } - }, - QPath::TypeRelative(ref ty, ref segment) => { - self.hash_ty(ty); - segment.ident.name.hash(&mut self.s); - }, - QPath::LangItem(lang_item, ..) => { - lang_item.hash(&mut self.s); - }, - }, + TyKind::Path(ref qpath) => self.hash_qpath(qpath), TyKind::OpaqueDef(_, arg_list) => { self.hash_generic_args(arg_list); }, diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 82250151aab..769836aaf18 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -63,7 +63,7 @@ use std::hash::BuildHasherDefault; use if_chain::if_chain; use rustc_ast::ast::{self, Attribute, BorrowKind, LitKind}; -use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::unhash::UnhashMap; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; @@ -328,7 +328,7 @@ pub fn is_trait_method(cx: &LateContext<'_>, expr: &Expr<'_>, diag_item: Symbol) /// Checks if an expression references a variable of the given name. pub fn match_var(expr: &Expr<'_>, var: Symbol) -> bool { - if let ExprKind::Path(QPath::Resolved(None, ref path)) = expr.kind { + if let ExprKind::Path(QPath::Resolved(None, path)) = expr.kind { if let [p] = path.segments { return p.ident.name == var; } @@ -338,8 +338,8 @@ pub fn match_var(expr: &Expr<'_>, var: Symbol) -> bool { pub fn last_path_segment<'tcx>(path: &QPath<'tcx>) -> &'tcx PathSegment<'tcx> { match *path { - QPath::Resolved(_, ref path) => path.segments.last().expect("A path must have at least one segment"), - QPath::TypeRelative(_, ref seg) => seg, + QPath::Resolved(_, path) => path.segments.last().expect("A path must have at least one segment"), + QPath::TypeRelative(_, seg) => seg, QPath::LangItem(..) => panic!("last_path_segment: lang item has no path segments"), } } @@ -367,8 +367,8 @@ pub fn get_qpath_generic_tys(path: &QPath<'tcx>) -> impl Iterator<Item = &'tcx h pub fn single_segment_path<'tcx>(path: &QPath<'tcx>) -> Option<&'tcx PathSegment<'tcx>> { match *path { - QPath::Resolved(_, ref path) => path.segments.get(0), - QPath::TypeRelative(_, ref seg) => Some(seg), + QPath::Resolved(_, path) => path.segments.get(0), + QPath::TypeRelative(_, seg) => Some(seg), QPath::LangItem(..) => None, } } @@ -388,8 +388,8 @@ pub fn single_segment_path<'tcx>(path: &QPath<'tcx>) -> Option<&'tcx PathSegment /// ``` pub fn match_qpath(path: &QPath<'_>, segments: &[&str]) -> bool { match *path { - QPath::Resolved(_, ref path) => match_path(path, segments), - QPath::TypeRelative(ref ty, ref segment) => match ty.kind { + QPath::Resolved(_, path) => match_path(path, segments), + QPath::TypeRelative(ty, segment) => match ty.kind { TyKind::Path(ref inner_path) => { if let [prefix @ .., end] = segments { if match_qpath(inner_path, prefix) { @@ -457,7 +457,7 @@ pub fn match_path(path: &Path<'_>, segments: &[&str]) -> bool { /// 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, ref path)) = expr.kind { + if let ExprKind::Path(QPath::Resolved(None, path)) = expr.kind { if let Res::Local(id) = path.res { return Some(id); } @@ -661,13 +661,13 @@ pub fn method_chain_args<'a>(expr: &'a Expr<'_>, methods: &[&str]) -> Option<Vec let mut matched = Vec::with_capacity(methods.len()); for method_name in methods.iter().rev() { // method chains are stored last -> first - if let ExprKind::MethodCall(ref path, _, ref args, _) = current.kind { + if let ExprKind::MethodCall(path, _, args, _) = current.kind { if path.ident.name.as_str() == *method_name { if args.iter().any(|e| e.span.from_expansion()) { return None; } - matched.push(&**args); // build up `matched` backwards - current = &args[0] // go to parent expression + matched.push(args); // build up `matched` backwards + current = &args[0]; // go to parent expression } else { return None; } @@ -712,7 +712,7 @@ pub fn get_pat_name(pat: &Pat<'_>) -> Option<Symbol> { match pat.kind { PatKind::Binding(.., ref spname, _) => Some(spname.name), PatKind::Path(ref qpath) => single_segment_path(qpath).map(|ps| ps.ident.name), - PatKind::Box(ref p) | PatKind::Ref(ref p, _) => get_pat_name(&*p), + PatKind::Box(p) | PatKind::Ref(p, _) => get_pat_name(&*p), _ => None, } } @@ -854,7 +854,7 @@ pub fn get_enclosing_block<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Optio kind: ImplItemKind::Fn(_, eid), .. }) => match cx.tcx.hir().body(eid).value.kind { - ExprKind::Block(ref block, _) => Some(block), + ExprKind::Block(block, _) => Some(block), _ => None, }, _ => None, @@ -1028,7 +1028,7 @@ pub fn return_ty<'tcx>(cx: &LateContext<'tcx>, fn_item: hir::HirId) -> Ty<'tcx> /// Checks if an expression is constructing a tuple-like enum variant or struct pub fn is_ctor_or_promotable_const_function(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { - if let ExprKind::Call(ref fun, _) = expr.kind { + if let ExprKind::Call(fun, _) = expr.kind { if let ExprKind::Path(ref qp) = fun.kind { let res = cx.qpath_res(qp, fun.hir_id); return match res { @@ -1058,21 +1058,21 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { match pat.kind { PatKind::Wild => false, PatKind::Binding(_, _, _, pat) => pat.map_or(false, |pat| is_refutable(cx, pat)), - PatKind::Box(ref pat) | PatKind::Ref(ref pat, _) => is_refutable(cx, pat), + PatKind::Box(pat) | PatKind::Ref(pat, _) => is_refutable(cx, pat), PatKind::Lit(..) | PatKind::Range(..) => true, PatKind::Path(ref qpath) => is_enum_variant(cx, qpath, pat.hir_id), - PatKind::Or(ref pats) => { + PatKind::Or(pats) => { // TODO: should be the honest check, that pats is exhaustive set are_refutable(cx, pats.iter().map(|pat| &**pat)) }, - PatKind::Tuple(ref pats, _) => are_refutable(cx, pats.iter().map(|pat| &**pat)), - PatKind::Struct(ref qpath, ref fields, _) => { + PatKind::Tuple(pats, _) => are_refutable(cx, pats.iter().map(|pat| &**pat)), + PatKind::Struct(ref qpath, fields, _) => { is_enum_variant(cx, qpath, pat.hir_id) || are_refutable(cx, fields.iter().map(|field| &*field.pat)) }, - PatKind::TupleStruct(ref qpath, ref pats, _) => { + PatKind::TupleStruct(ref qpath, pats, _) => { is_enum_variant(cx, qpath, pat.hir_id) || are_refutable(cx, pats.iter().map(|pat| &**pat)) }, - PatKind::Slice(ref head, ref middle, ref tail) => { + PatKind::Slice(head, ref middle, tail) => { match &cx.typeck_results().node_type(pat.hir_id).kind() { rustc_ty::Slice(..) => { // [..] is the only irrefutable slice pattern. @@ -1094,9 +1094,9 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool { /// the function once on the given pattern. pub fn recurse_or_patterns<'tcx, F: FnMut(&'tcx Pat<'tcx>)>(pat: &'tcx Pat<'tcx>, mut f: F) { if let PatKind::Or(pats) = pat.kind { - pats.iter().copied().for_each(f) + pats.iter().copied().for_each(f); } else { - f(pat) + f(pat); } } @@ -1111,7 +1111,7 @@ pub fn is_automatically_derived(attrs: &[ast::Attribute]) -> bool { /// Ie. `x`, `{ x }` and `{{{{ x }}}}` all give `x`. `{ x; y }` and `{}` return /// themselves. pub fn remove_blocks<'tcx>(mut expr: &'tcx Expr<'tcx>) -> &'tcx Expr<'tcx> { - while let ExprKind::Block(ref block, ..) = expr.kind { + while let ExprKind::Block(block, ..) = expr.kind { match (block.stmts.is_empty(), block.expr.as_ref()) { (true, Some(e)) => expr = e, _ => break, @@ -1130,7 +1130,7 @@ pub fn is_self(slf: &Param<'_>) -> bool { pub fn is_self_ty(slf: &hir::Ty<'_>) -> bool { if_chain! { - if let TyKind::Path(QPath::Resolved(None, ref path)) = slf.kind; + if let TyKind::Path(QPath::Resolved(None, path)) = slf.kind; if let Res::SelfTy(..) = path.res; then { return true @@ -1148,7 +1148,7 @@ pub fn iter_input_pats<'tcx>(decl: &FnDecl<'_>, body: &'tcx Body<'_>) -> impl It pub fn is_try<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'tcx>) -> Option<&'tcx Expr<'tcx>> { fn is_ok(cx: &LateContext<'_>, arm: &Arm<'_>) -> bool { if_chain! { - if let PatKind::TupleStruct(ref path, ref pat, None) = arm.pat.kind; + if let PatKind::TupleStruct(ref path, pat, None) = arm.pat.kind; if is_lang_ctor(cx, path, ResultOk); if let PatKind::Binding(_, hir_id, _, None) = pat[0].kind; if path_to_local_id(arm.body, hir_id); @@ -1167,7 +1167,7 @@ pub fn is_try<'tcx>(cx: &LateContext<'_>, expr: &'tcx Expr<'tcx>) -> Option<&'tc } } - if let ExprKind::Match(_, ref arms, ref source) = expr.kind { + if let ExprKind::Match(_, arms, ref source) = expr.kind { // desugared from a `?` operator if let MatchSource::TryDesugar = *source { return Some(expr); @@ -1254,12 +1254,12 @@ pub fn match_function_call<'tcx>( path: &[&str], ) -> Option<&'tcx [Expr<'tcx>]> { if_chain! { - if let ExprKind::Call(ref fun, ref args) = expr.kind; + if let ExprKind::Call(fun, args) = expr.kind; if let ExprKind::Path(ref qpath) = fun.kind; if let Some(fun_def_id) = cx.qpath_res(qpath, fun.hir_id).opt_def_id(); if match_def_path(cx, fun_def_id, path); then { - return Some(&args) + return Some(args) } }; None @@ -1316,15 +1316,15 @@ pub fn if_sequence<'tcx>(mut expr: &'tcx Expr<'tcx>) -> (Vec<&'tcx Expr<'tcx>>, let mut conds = Vec::new(); let mut blocks: Vec<&Block<'_>> = Vec::new(); - while let ExprKind::If(ref cond, ref then_expr, ref else_expr) = expr.kind { - conds.push(&**cond); - if let ExprKind::Block(ref block, _) = then_expr.kind { + while let ExprKind::If(cond, then_expr, ref else_expr) = expr.kind { + conds.push(cond); + if let ExprKind::Block(block, _) = then_expr.kind { blocks.push(block); } else { panic!("ExprKind::If node is not an ExprKind::Block"); } - if let Some(ref else_expr) = *else_expr { + if let Some(else_expr) = *else_expr { expr = else_expr; } else { break; @@ -1333,8 +1333,8 @@ pub fn if_sequence<'tcx>(mut expr: &'tcx Expr<'tcx>) -> (Vec<&'tcx Expr<'tcx>>, // final `else {..}` if !blocks.is_empty() { - if let ExprKind::Block(ref block, _) = expr.kind { - blocks.push(&**block); + if let ExprKind::Block(block, _) = expr.kind { + blocks.push(block); } } @@ -1383,7 +1383,7 @@ pub fn must_use_attr(attrs: &[Attribute]) -> Option<&Attribute> { // check if expr is calling method or function with #[must_use] attribute pub fn is_must_use_func_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { let did = match expr.kind { - ExprKind::Call(ref path, _) => if_chain! { + ExprKind::Call(path, _) => if_chain! { if let ExprKind::Path(ref qpath) = path.kind; if let def::Res::Def(_, did) = cx.qpath_res(qpath, path.hir_id); then { @@ -1396,7 +1396,7 @@ pub fn is_must_use_func_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { _ => None, }; - did.map_or(false, |did| must_use_attr(&cx.tcx.get_attrs(did)).is_some()) + did.map_or(false, |did| must_use_attr(cx.tcx.get_attrs(did)).is_some()) } /// Gets the node where an expression is either used, or it's type is unified with another branch. @@ -1572,14 +1572,16 @@ where Hash: Fn(&T) -> u64, Eq: Fn(&T, &T) -> bool, { - if exprs.len() == 2 && eq(&exprs[0], &exprs[1]) { - return vec![(&exprs[0], &exprs[1])]; + match exprs { + [a, b] if eq(a, b) => return vec![(a, b)], + _ if exprs.len() <= 2 => return vec![], + _ => {}, } let mut match_expr_list: Vec<(&T, &T)> = Vec::new(); - let mut map: FxHashMap<_, Vec<&_>> = - FxHashMap::with_capacity_and_hasher(exprs.len(), BuildHasherDefault::default()); + let mut map: UnhashMap<u64, Vec<&_>> = + UnhashMap::with_capacity_and_hasher(exprs.len(), BuildHasherDefault::default()); for expr in exprs { match map.entry(hash(expr)) { diff --git a/src/tools/clippy/clippy_utils/src/msrvs.rs b/src/tools/clippy/clippy_utils/src/msrvs.rs index 00df04c0144..4a9c4fd0276 100644 --- a/src/tools/clippy/clippy_utils/src/msrvs.rs +++ b/src/tools/clippy/clippy_utils/src/msrvs.rs @@ -26,4 +26,5 @@ msrv_aliases! { 1,34,0 { TRY_FROM } 1,30,0 { ITERATOR_FIND_MAP } 1,17,0 { FIELD_INIT_SHORTHAND, STATIC_IN_CONST } + 1,16,0 { STR_REPEAT } } diff --git a/src/tools/clippy/clippy_utils/src/numeric_literal.rs b/src/tools/clippy/clippy_utils/src/numeric_literal.rs index 268bc5b3205..546706d51d7 100644 --- a/src/tools/clippy/clippy_utils/src/numeric_literal.rs +++ b/src/tools/clippy/clippy_utils/src/numeric_literal.rs @@ -52,7 +52,7 @@ impl<'a> NumericLiteral<'a> { pub fn from_lit_kind(src: &'a str, lit_kind: &LitKind) -> Option<NumericLiteral<'a>> { if lit_kind.is_numeric() && src.chars().next().map_or(false, |c| c.is_digit(10)) { - let (unsuffixed, suffix) = split_suffix(&src, lit_kind); + let (unsuffixed, suffix) = split_suffix(src, lit_kind); let float = matches!(lit_kind, LitKind::Float(..)); Some(NumericLiteral::new(unsuffixed, suffix, float)) } else { diff --git a/src/tools/clippy/clippy_utils/src/paths.rs b/src/tools/clippy/clippy_utils/src/paths.rs index 8037d670500..b913d1ce8b1 100644 --- a/src/tools/clippy/clippy_utils/src/paths.rs +++ b/src/tools/clippy/clippy_utils/src/paths.rs @@ -116,8 +116,8 @@ pub const PERMISSIONS_FROM_MODE: [&str; 7] = ["std", "os", "imp", "unix", "fs", pub const POLL: [&str; 4] = ["core", "task", "poll", "Poll"]; pub const POLL_PENDING: [&str; 5] = ["core", "task", "poll", "Poll", "Pending"]; pub const POLL_READY: [&str; 5] = ["core", "task", "poll", "Poll", "Ready"]; -pub const PTR_COPY: [&str; 4] = ["core", "intrinsics", "", "copy"]; -pub const PTR_COPY_NONOVERLAPPING: [&str; 4] = ["core", "intrinsics", "", "copy_nonoverlapping"]; +pub const PTR_COPY: [&str; 3] = ["core", "intrinsics", "copy"]; +pub const PTR_COPY_NONOVERLAPPING: [&str; 3] = ["core", "intrinsics", "copy_nonoverlapping"]; pub const PTR_EQ: [&str; 3] = ["core", "ptr", "eq"]; pub const PTR_NULL: [&str; 3] = ["core", "ptr", "null"]; pub const PTR_NULL_MUT: [&str; 3] = ["core", "ptr", "null_mut"]; diff --git a/src/tools/clippy/clippy_utils/src/ptr.rs b/src/tools/clippy/clippy_utils/src/ptr.rs index 5885cc83560..791688cd194 100644 --- a/src/tools/clippy/clippy_utils/src/ptr.rs +++ b/src/tools/clippy/clippy_utils/src/ptr.rs @@ -55,7 +55,7 @@ impl<'a, 'tcx> Visitor<'tcx> for PtrCloneVisitor<'a, 'tcx> { if self.abort { return; } - if let ExprKind::MethodCall(ref seg, _, ref args, _) = expr.kind { + if let ExprKind::MethodCall(seg, _, args, _) = expr.kind { if args.len() == 1 && match_var(&args[0], self.name) { if seg.ident.name.as_str() == "capacity" { self.abort = true; @@ -79,5 +79,5 @@ impl<'a, 'tcx> Visitor<'tcx> for PtrCloneVisitor<'a, 'tcx> { } fn get_binding_name(arg: &Param<'_>) -> Option<Symbol> { - get_pat_name(&arg.pat) + get_pat_name(arg.pat) } diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index a08dcf19e5b..0e6ead675c2 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -255,7 +255,7 @@ fn check_place(tcx: TyCtxt<'tcx>, place: Place<'tcx>, span: Span, body: &Body<'t cursor = proj_base; match elem { ProjectionElem::Field(..) => { - let base_ty = Place::ty_from(place.local, &proj_base, body, tcx).ty; + let base_ty = Place::ty_from(place.local, proj_base, body, tcx).ty; if let Some(def) = base_ty.ty_adt_def() { // No union field accesses in `const fn` if def.is_union() { diff --git a/src/tools/clippy/clippy_utils/src/sugg.rs b/src/tools/clippy/clippy_utils/src/sugg.rs index 0c950661757..efc0ec50fdc 100644 --- a/src/tools/clippy/clippy_utils/src/sugg.rs +++ b/src/tools/clippy/clippy_utils/src/sugg.rs @@ -2,7 +2,7 @@ #![deny(clippy::missing_docs_in_private_items)] use crate::higher; -use crate::source::{snippet, snippet_opt, snippet_with_macro_callsite}; +use crate::source::{snippet, snippet_opt, snippet_with_context, snippet_with_macro_callsite}; use rustc_ast::util::parser::AssocOp; use rustc_ast::{ast, token}; use rustc_ast_pretty::pprust::token_kind_to_string; @@ -10,7 +10,7 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::{EarlyContext, LateContext, LintContext}; use rustc_span::source_map::{CharPos, Span}; -use rustc_span::{BytePos, Pos}; +use rustc_span::{BytePos, Pos, SyntaxContext}; use std::borrow::Cow; use std::convert::TryInto; use std::fmt::Display; @@ -90,6 +90,29 @@ impl<'a> Sugg<'a> { Self::hir_from_snippet(expr, snippet) } + /// Same as `hir`, but first walks the span up to the given context. This will result in the + /// macro call, rather then the expansion, if the span is from a child context. If the span is + /// not from a child context, it will be used directly instead. + /// + /// e.g. Given the expression `&vec![]`, getting a snippet from the span for `vec![]` as a HIR + /// node would result in `box []`. If given the context of the address of expression, this + /// function will correctly get a snippet of `vec![]`. + pub fn hir_with_context( + cx: &LateContext<'_>, + expr: &hir::Expr<'_>, + ctxt: SyntaxContext, + default: &'a str, + applicability: &mut Applicability, + ) -> Self { + let (snippet, in_macro) = snippet_with_context(cx, expr.span, ctxt, default, applicability); + + if in_macro { + Sugg::NonParen(snippet) + } else { + Self::hir_from_snippet(expr, snippet) + } + } + /// Generate a suggestion for an expression with the given snippet. This is used by the `hir_*` /// function variants of `Sugg`, since these use different snippet functions. fn hir_from_snippet(expr: &hir::Expr<'_>, snippet: Cow<'a, str>) -> Self { @@ -684,7 +707,7 @@ impl<T: LintContext> DiagnosticBuilderExt<T> for rustc_errors::DiagnosticBuilder if let Some(non_whitespace_offset) = non_whitespace_offset { remove_span = remove_span - .with_hi(remove_span.hi() + BytePos(non_whitespace_offset.try_into().expect("offset too large"))) + .with_hi(remove_span.hi() + BytePos(non_whitespace_offset.try_into().expect("offset too large"))); } } diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index c36e215f184..a92d3be5d3c 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -142,21 +142,18 @@ pub fn has_drop<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { // Returns whether the type has #[must_use] attribute pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { match ty.kind() { - ty::Adt(ref adt, _) => must_use_attr(&cx.tcx.get_attrs(adt.did)).is_some(), - ty::Foreign(ref did) => must_use_attr(&cx.tcx.get_attrs(*did)).is_some(), - ty::Slice(ref ty) - | ty::Array(ref ty, _) - | ty::RawPtr(ty::TypeAndMut { ref ty, .. }) - | ty::Ref(_, ref ty, _) => { + ty::Adt(adt, _) => must_use_attr(cx.tcx.get_attrs(adt.did)).is_some(), + ty::Foreign(ref did) => must_use_attr(cx.tcx.get_attrs(*did)).is_some(), + ty::Slice(ty) | ty::Array(ty, _) | ty::RawPtr(ty::TypeAndMut { ty, .. }) | ty::Ref(_, ty, _) => { // for the Array case we don't need to care for the len == 0 case // because we don't want to lint functions returning empty arrays is_must_use_ty(cx, *ty) }, - ty::Tuple(ref substs) => substs.types().any(|ty| is_must_use_ty(cx, ty)), + ty::Tuple(substs) => substs.types().any(|ty| is_must_use_ty(cx, ty)), ty::Opaque(ref def_id, _) => { for (predicate, _) in cx.tcx.explicit_item_bounds(*def_id) { if let ty::PredicateKind::Trait(trait_predicate, _) = predicate.kind().skip_binder() { - if must_use_attr(&cx.tcx.get_attrs(trait_predicate.trait_ref.def_id)).is_some() { + if must_use_attr(cx.tcx.get_attrs(trait_predicate.trait_ref.def_id)).is_some() { return true; } } @@ -166,7 +163,7 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { ty::Dynamic(binder, _) => { for predicate in binder.iter() { if let ty::ExistentialPredicate::Trait(ref trait_ref) = predicate.skip_binder() { - if must_use_attr(&cx.tcx.get_attrs(trait_ref.def_id)).is_some() { + if must_use_attr(cx.tcx.get_attrs(trait_ref.def_id)).is_some() { return true; } } @@ -305,7 +302,7 @@ pub fn type_is_unsafe_function<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bo /// Returns the base type for HIR references and pointers. pub fn walk_ptrs_hir_ty<'tcx>(ty: &'tcx hir::Ty<'tcx>) -> &'tcx hir::Ty<'tcx> { match ty.kind { - TyKind::Ptr(ref mut_ty) | TyKind::Rptr(_, ref mut_ty) => walk_ptrs_hir_ty(&mut_ty.ty), + TyKind::Ptr(ref mut_ty) | TyKind::Rptr(_, ref mut_ty) => walk_ptrs_hir_ty(mut_ty.ty), _ => ty, } } diff --git a/src/tools/clippy/clippy_utils/src/usage.rs b/src/tools/clippy/clippy_utils/src/usage.rs index 650b70c63af..2c55021ac88 100644 --- a/src/tools/clippy/clippy_utils/src/usage.rs +++ b/src/tools/clippy/clippy_utils/src/usage.rs @@ -59,7 +59,7 @@ impl<'tcx> MutVarsDelegate { //FIXME: This causes false negatives. We can't get the `NodeId` from //`Categorization::Upvar(_)`. So we search for any `Upvar`s in the //`while`-body, not just the ones in the condition. - self.skip = true + self.skip = true; }, _ => {}, } @@ -71,12 +71,12 @@ impl<'tcx> Delegate<'tcx> for MutVarsDelegate { fn borrow(&mut self, cmt: &PlaceWithHirId<'tcx>, _: HirId, bk: ty::BorrowKind) { if let ty::BorrowKind::MutBorrow = bk { - self.update(&cmt) + self.update(cmt); } } fn mutate(&mut self, cmt: &PlaceWithHirId<'tcx>, _: HirId) { - self.update(&cmt) + self.update(cmt); } fn fake_read(&mut self, _: rustc_typeck::expr_use_visitor::Place<'tcx>, _: FakeReadCause, _: HirId) {} diff --git a/src/tools/clippy/clippy_utils/src/visitors.rs b/src/tools/clippy/clippy_utils/src/visitors.rs index ecdc666b5f6..ce00106dd4d 100644 --- a/src/tools/clippy/clippy_utils/src/visitors.rs +++ b/src/tools/clippy/clippy_utils/src/visitors.rs @@ -87,7 +87,7 @@ where } fn visit_stmt(&mut self, stmt: &'hir hir::Stmt<'_>) { - intravisit::walk_stmt(&mut *self.inside_stmt(true), stmt) + intravisit::walk_stmt(&mut *self.inside_stmt(true), stmt); } fn visit_expr(&mut self, expr: &'hir hir::Expr<'_>) { @@ -189,34 +189,21 @@ impl<'v> Visitor<'v> for LocalUsedVisitor<'v> { } } +/// A type which can be visited. pub trait Visitable<'tcx> { - fn visit<V: Visitor<'tcx>>(self, v: &mut V); + /// Calls the corresponding `visit_*` function on the visitor. + fn visit<V: Visitor<'tcx>>(self, visitor: &mut V); } -impl Visitable<'tcx> for &'tcx Expr<'tcx> { - fn visit<V: Visitor<'tcx>>(self, v: &mut V) { - v.visit_expr(self) - } -} -impl Visitable<'tcx> for &'tcx Block<'tcx> { - fn visit<V: Visitor<'tcx>>(self, v: &mut V) { - v.visit_block(self) - } -} -impl<'tcx> Visitable<'tcx> for &'tcx Stmt<'tcx> { - fn visit<V: Visitor<'tcx>>(self, v: &mut V) { - v.visit_stmt(self) - } -} -impl<'tcx> Visitable<'tcx> for &'tcx Body<'tcx> { - fn visit<V: Visitor<'tcx>>(self, v: &mut V) { - v.visit_body(self) - } -} -impl<'tcx> Visitable<'tcx> for &'tcx Arm<'tcx> { - fn visit<V: Visitor<'tcx>>(self, v: &mut V) { - v.visit_arm(self) - } +macro_rules! visitable_ref { + ($t:ident, $f:ident) => { + impl Visitable<'tcx> for &'tcx $t<'tcx> { + fn visit<V: Visitor<'tcx>>(self, visitor: &mut V) { + visitor.$f(self); + } + } + }; } +visitable_ref!(Block, visit_block); /// Calls the given function for each break expression. pub fn visit_break_exprs<'tcx>( @@ -232,7 +219,7 @@ pub fn visit_break_exprs<'tcx>( fn visit_expr(&mut self, e: &'tcx Expr<'_>) { if let ExprKind::Break(dest, sub_expr) = e.kind { - self.0(e, dest, sub_expr) + self.0(e, dest, sub_expr); } walk_expr(self, e); } @@ -264,7 +251,7 @@ pub fn is_res_used(cx: &LateContext<'_>, res: Res, body: BodyId) -> bool { self.found = true; } } else { - walk_expr(self, e) + walk_expr(self, e); } } } diff --git a/src/tools/clippy/doc/release.md b/src/tools/clippy/doc/release.md index eaa6a9af277..e0af9bf0625 100644 --- a/src/tools/clippy/doc/release.md +++ b/src/tools/clippy/doc/release.md @@ -94,7 +94,7 @@ After finding the Clippy commit, it can be tagged with the release number. # Assuming the current directory corresponds to the Clippy repository $ git checkout $SHA $ git tag rust-1.XX.0 # XX should be exchanged with the corresponding version -$ git push upstream master --tags # `upstream` is the `rust-lang/rust-clippy` remote +$ git push upstream rust-1.XX.0 # `upstream` is the `rust-lang/rust-clippy` remote ``` After this, the release should be available on the Clippy [release page]. diff --git a/src/tools/clippy/mini-macro/Cargo.toml b/src/tools/clippy/mini-macro/Cargo.toml deleted file mode 100644 index 0d95c86aef0..00000000000 --- a/src/tools/clippy/mini-macro/Cargo.toml +++ /dev/null @@ -1,14 +0,0 @@ -[package] -name = "clippy-mini-macro-test" -version = "0.2.0" -authors = ["The Rust Clippy Developers"] -license = "MIT OR Apache-2.0" -description = "A macro to test clippy's procedural macro checks" -repository = "https://github.com/rust-lang/rust-clippy" -edition = "2018" - -[lib] -name = "clippy_mini_macro_test" -proc-macro = true - -[dependencies] diff --git a/src/tools/clippy/mini-macro/src/lib.rs b/src/tools/clippy/mini-macro/src/lib.rs deleted file mode 100644 index 2b793589049..00000000000 --- a/src/tools/clippy/mini-macro/src/lib.rs +++ /dev/null @@ -1,29 +0,0 @@ -#![feature(proc_macro_quote)] -#![deny(rust_2018_idioms)] -// FIXME: Remove this attribute once the weird failure is gone. -#![allow(unused_extern_crates)] -extern crate proc_macro; - -use proc_macro::{quote, TokenStream}; - -#[proc_macro_derive(ClippyMiniMacroTest)] -/// # Panics -/// -/// Panics if the macro derivation fails -pub fn mini_macro(_: TokenStream) -> TokenStream { - quote!( - #[allow(unused)] - fn needless_take_by_value(s: String) { - println!("{}", s.len()); - } - #[allow(unused)] - fn needless_loop(items: &[u8]) { - for i in 0..items.len() { - println!("{}", items[i]); - } - } - fn line_wrapper() { - println!("{}", line!()); - } - ) -} diff --git a/src/tools/clippy/rust-toolchain b/src/tools/clippy/rust-toolchain index cb8cb0978f6..e3863c46288 100644 --- a/src/tools/clippy/rust-toolchain +++ b/src/tools/clippy/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2021-05-20" +channel = "nightly-2021-06-03" components = ["llvm-tools-preview", "rustc-dev", "rust-src"] diff --git a/src/tools/clippy/rustc_tools_util/src/lib.rs b/src/tools/clippy/rustc_tools_util/src/lib.rs index ff2a7de5725..5f289918a7c 100644 --- a/src/tools/clippy/rustc_tools_util/src/lib.rs +++ b/src/tools/clippy/rustc_tools_util/src/lib.rs @@ -100,9 +100,9 @@ pub fn get_commit_date() -> Option<String> { } #[must_use] -pub fn get_channel() -> Option<String> { +pub fn get_channel() -> String { match env::var("CFG_RELEASE_CHANNEL") { - Ok(channel) => Some(channel), + Ok(channel) => channel, Err(_) => { // if that failed, try to ask rustc -V, do some parsing and find out match std::process::Command::new("rustc") @@ -113,16 +113,16 @@ pub fn get_channel() -> Option<String> { { Some(rustc_output) => { if rustc_output.contains("beta") { - Some(String::from("beta")) + String::from("beta") } else if rustc_output.contains("stable") { - Some(String::from("stable")) + String::from("stable") } else { // default to nightly if we fail to parse - Some(String::from("nightly")) + String::from("nightly") } }, // default to nightly - None => Some(String::from("nightly")), + None => String::from("nightly"), } }, } diff --git a/src/tools/clippy/tests/clippy.toml b/src/tools/clippy/tests/clippy.toml new file mode 100644 index 00000000000..5eb7ac03541 --- /dev/null +++ b/src/tools/clippy/tests/clippy.toml @@ -0,0 +1 @@ +# default config for tests, overrides clippy.toml at the project root diff --git a/src/tools/clippy/tests/compile-test.rs b/src/tools/clippy/tests/compile-test.rs index e1110721f6e..7d266a36bb6 100644 --- a/src/tools/clippy/tests/compile-test.rs +++ b/src/tools/clippy/tests/compile-test.rs @@ -4,8 +4,8 @@ use compiletest_rs as compiletest; use compiletest_rs::common::Mode as TestMode; -use std::env::{self, set_var, var}; -use std::ffi::OsStr; +use std::env::{self, remove_var, set_var, var_os}; +use std::ffi::{OsStr, OsString}; use std::fs; use std::io; use std::path::{Path, PathBuf}; @@ -88,9 +88,11 @@ fn default_config() -> compiletest::Config { config } -fn run_mode(cfg: &mut compiletest::Config) { +fn run_ui(cfg: &mut compiletest::Config) { cfg.mode = TestMode::Ui; cfg.src_base = Path::new("tests").join("ui"); + // use tests/clippy.toml + let _g = VarGuard::set("CARGO_MANIFEST_DIR", std::fs::canonicalize("tests").unwrap()); compiletest::run_tests(cfg); } @@ -114,7 +116,7 @@ fn run_ui_toml(config: &mut compiletest::Config) { continue; } let dir_path = dir.path(); - set_var("CARGO_MANIFEST_DIR", &dir_path); + let _g = VarGuard::set("CARGO_MANIFEST_DIR", &dir_path); for file in fs::read_dir(&dir_path)? { let file = file?; let file_path = file.path(); @@ -145,9 +147,7 @@ fn run_ui_toml(config: &mut compiletest::Config) { let tests = compiletest::make_tests(config); - let manifest_dir = var("CARGO_MANIFEST_DIR").unwrap_or_default(); let res = run_tests(config, tests); - set_var("CARGO_MANIFEST_DIR", &manifest_dir); match res { Ok(true) => {}, Ok(false) => panic!("Some tests failed"), @@ -208,7 +208,7 @@ fn run_ui_cargo(config: &mut compiletest::Config) { Some("main.rs") => {}, _ => continue, } - set_var("CLIPPY_CONF_DIR", case.path()); + let _g = VarGuard::set("CLIPPY_CONF_DIR", case.path()); let paths = compiletest::common::TestPaths { file: file_path, base: config.src_base.clone(), @@ -236,10 +236,8 @@ fn run_ui_cargo(config: &mut compiletest::Config) { let tests = compiletest::make_tests(config); let current_dir = env::current_dir().unwrap(); - let conf_dir = var("CLIPPY_CONF_DIR").unwrap_or_default(); let res = run_tests(config, &config.filters, tests); env::set_current_dir(current_dir).unwrap(); - set_var("CLIPPY_CONF_DIR", conf_dir); match res { Ok(true) => {}, @@ -260,8 +258,32 @@ fn prepare_env() { fn compile_test() { prepare_env(); let mut config = default_config(); - run_mode(&mut config); + run_ui(&mut config); run_ui_toml(&mut config); run_ui_cargo(&mut config); run_internal_tests(&mut config); } + +/// Restores an env var on drop +#[must_use] +struct VarGuard { + key: &'static str, + value: Option<OsString>, +} + +impl VarGuard { + fn set(key: &'static str, val: impl AsRef<OsStr>) -> Self { + let value = var_os(key); + set_var(key, val); + Self { key, value } + } +} + +impl Drop for VarGuard { + fn drop(&mut self) { + match self.value.as_deref() { + None => remove_var(self.key), + Some(value) => set_var(self.key, value), + } + } +} diff --git a/src/tools/clippy/tests/dogfood.rs b/src/tools/clippy/tests/dogfood.rs index 5d9f128753f..7de130c7dbe 100644 --- a/src/tools/clippy/tests/dogfood.rs +++ b/src/tools/clippy/tests/dogfood.rs @@ -179,8 +179,39 @@ fn dogfood_subprojects() { #[ignore] #[cfg(feature = "metadata-collector-lint")] fn run_metadata_collection_lint() { + use std::fs::File; + use std::time::SystemTime; + + // Setup for validation + let metadata_output_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("util/gh-pages/metadata_collection.json"); + let start_time = SystemTime::now(); + + // Run collection as is std::env::set_var("ENABLE_METADATA_COLLECTION", "1"); run_clippy_for_project("clippy_lints"); + + // Check if cargo caching got in the way + if let Ok(file) = File::open(metadata_output_path) { + if let Ok(metadata) = file.metadata() { + if let Ok(last_modification) = metadata.modified() { + if last_modification > start_time { + // The output file has been modified. Most likely by a hungry + // metadata collection monster. So We'll return. + return; + } + } + } + } + + // Force cargo to invalidate the caches + filetime::set_file_mtime( + PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("clippy_lints/src/lib.rs"), + filetime::FileTime::now(), + ) + .unwrap(); + + // Running the collection again + run_clippy_for_project("clippy_lints"); } fn run_clippy_for_project(project: &str) { 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 d83080b69f5..a7be00426c4 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 @@ -1,4 +1,4 @@ -error: error reading Clippy's configuration file `$DIR/clippy.toml`: unknown field `foobar`, expected one of `msrv`, `blacklisted-names`, `cognitive-complexity-threshold`, `cyclomatic-complexity-threshold`, `doc-valid-idents`, `too-many-arguments-threshold`, `type-complexity-threshold`, `single-char-binding-names-threshold`, `too-large-for-stack`, `enum-variant-name-threshold`, `enum-variant-size-threshold`, `verbose-bit-mask-threshold`, `literal-representation-threshold`, `trivial-copy-size-limit`, `pass-by-value-size-limit`, `too-many-lines-threshold`, `array-size-threshold`, `vec-box-size-threshold`, `max-trait-bounds`, `max-struct-bools`, `max-fn-params-bools`, `warn-on-all-wildcard-imports`, `disallowed-methods`, `unreadable-literal-lint-fractions`, `upper-case-acronyms-aggressive`, `cargo-ignore-publish`, `third-party` at line 5 column 1 +error: error reading Clippy's configuration file `$DIR/clippy.toml`: unknown field `foobar`, expected one of `avoid-breaking-exported-api`, `msrv`, `blacklisted-names`, `cognitive-complexity-threshold`, `cyclomatic-complexity-threshold`, `doc-valid-idents`, `too-many-arguments-threshold`, `type-complexity-threshold`, `single-char-binding-names-threshold`, `too-large-for-stack`, `enum-variant-name-threshold`, `enum-variant-size-threshold`, `verbose-bit-mask-threshold`, `literal-representation-threshold`, `trivial-copy-size-limit`, `pass-by-value-size-limit`, `too-many-lines-threshold`, `array-size-threshold`, `vec-box-size-threshold`, `max-trait-bounds`, `max-struct-bools`, `max-fn-params-bools`, `warn-on-all-wildcard-imports`, `disallowed-methods`, `unreadable-literal-lint-fractions`, `upper-case-acronyms-aggressive`, `cargo-ignore-publish`, `third-party` at line 5 column 1 error: aborting due to previous error diff --git a/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs b/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs index aebeaf34679..4b7b7fec78f 100644 --- a/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs +++ b/src/tools/clippy/tests/ui/auxiliary/proc_macro_derive.rs @@ -53,3 +53,22 @@ pub fn derive_use_self(_input: TokenStream) -> proc_macro::TokenStream { } } } + +#[proc_macro_derive(ClippyMiniMacroTest)] +pub fn mini_macro(_: TokenStream) -> TokenStream { + quote!( + #[allow(unused)] + fn needless_take_by_value(s: String) { + println!("{}", s.len()); + } + #[allow(unused)] + fn needless_loop(items: &[u8]) { + for i in 0..items.len() { + println!("{}", items[i]); + } + } + fn line_wrapper() { + println!("{}", line!()); + } + ) +} diff --git a/src/tools/clippy/tests/ui/crashes/auxiliary/ice-7272-aux.rs b/src/tools/clippy/tests/ui/crashes/auxiliary/ice-7272-aux.rs new file mode 100644 index 00000000000..780797e3c6a --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/auxiliary/ice-7272-aux.rs @@ -0,0 +1,14 @@ +pub fn warn<T>(_: T) {} + +macro_rules! define_macro { + ($d:tt $lower:ident $upper:ident) => { + #[macro_export] + macro_rules! $upper { + ($arg:tt) => { + $crate::$lower($arg) + }; + } + }; +} + +define_macro! {$ warn WARNING} diff --git a/src/tools/clippy/tests/ui/crashes/ice-7272.rs b/src/tools/clippy/tests/ui/crashes/ice-7272.rs new file mode 100644 index 00000000000..57ab6ca14f8 --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/ice-7272.rs @@ -0,0 +1,12 @@ +// aux-build:ice-7272-aux.rs + +#![allow(clippy::no_effect)] + +extern crate ice_7272_aux; + +use ice_7272_aux::*; + +pub fn main() { + || WARNING!("Style changed!"); + || "}{"; +} diff --git a/src/tools/clippy/tests/ui/crashes/procedural_macro.rs b/src/tools/clippy/tests/ui/crashes/procedural_macro.rs deleted file mode 100644 index c7468493380..00000000000 --- a/src/tools/clippy/tests/ui/crashes/procedural_macro.rs +++ /dev/null @@ -1,11 +0,0 @@ -#[macro_use] -extern crate clippy_mini_macro_test; - -#[deny(warnings)] -fn main() { - let x = Foo; - println!("{:?}", x); -} - -#[derive(ClippyMiniMacroTest, Debug)] -struct Foo; diff --git a/src/tools/clippy/tests/ui/def_id_nocore.rs b/src/tools/clippy/tests/ui/def_id_nocore.rs index 2a948d60b10..cba7666c2d8 100644 --- a/src/tools/clippy/tests/ui/def_id_nocore.rs +++ b/src/tools/clippy/tests/ui/def_id_nocore.rs @@ -20,7 +20,7 @@ fn start(_argc: isize, _argv: *const *const u8) -> isize { 0 } -pub struct A; +struct A; impl A { pub fn as_ref(self) -> &'static str { diff --git a/src/tools/clippy/tests/ui/deprecated.rs b/src/tools/clippy/tests/ui/deprecated.rs index dbf0b03af76..4ba9f0c1fcf 100644 --- a/src/tools/clippy/tests/ui/deprecated.rs +++ b/src/tools/clippy/tests/ui/deprecated.rs @@ -12,5 +12,7 @@ #[warn(clippy::unknown_clippy_lints)] #[warn(clippy::find_map)] #[warn(clippy::filter_map)] +#[warn(clippy::pub_enum_variant_names)] +#[warn(clippy::wrong_pub_self_convention)] fn main() {} diff --git a/src/tools/clippy/tests/ui/deprecated.stderr b/src/tools/clippy/tests/ui/deprecated.stderr index e5de839dbc5..03c9f438891 100644 --- a/src/tools/clippy/tests/ui/deprecated.stderr +++ b/src/tools/clippy/tests/ui/deprecated.stderr @@ -84,5 +84,17 @@ error: lint `clippy::filter_map` has been removed: this lint has been replaced b LL | #[warn(clippy::filter_map)] | ^^^^^^^^^^^^^^^^^^ -error: aborting due to 14 previous errors +error: lint `clippy::pub_enum_variant_names` has been removed: set the `avoid_breaking_exported_api` config option to `false` to enable the `enum_variant_names` lint for public items + --> $DIR/deprecated.rs:15:8 + | +LL | #[warn(clippy::pub_enum_variant_names)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: lint `clippy::wrong_pub_self_convention` has been removed: set the `avoid_breaking_exported_api` config option to `false` to enable the `wrong_self_convention` lint for public items + --> $DIR/deprecated.rs:16:8 + | +LL | #[warn(clippy::wrong_pub_self_convention)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 16 previous errors diff --git a/src/tools/clippy/tests/ui/enum_variants.rs b/src/tools/clippy/tests/ui/enum_variants.rs index 4fefc0b43f1..083f5143e6e 100644 --- a/src/tools/clippy/tests/ui/enum_variants.rs +++ b/src/tools/clippy/tests/ui/enum_variants.rs @@ -1,5 +1,4 @@ -#![feature(non_ascii_idents)] -#![warn(clippy::enum_variant_names, clippy::pub_enum_variant_names)] +#![warn(clippy::enum_variant_names)] #![allow(non_camel_case_types, clippy::upper_case_acronyms)] enum FakeCallType { @@ -97,8 +96,8 @@ pub enum PubSeall { WithOut, } -#[allow(clippy::pub_enum_variant_names)] -mod allowed { +#[allow(clippy::enum_variant_names)] +pub mod allowed { pub enum PubAllowed { SomeThis, SomeThat, diff --git a/src/tools/clippy/tests/ui/enum_variants.stderr b/src/tools/clippy/tests/ui/enum_variants.stderr index ab7fff4507a..447fbb9e1bf 100644 --- a/src/tools/clippy/tests/ui/enum_variants.stderr +++ b/src/tools/clippy/tests/ui/enum_variants.stderr @@ -1,5 +1,5 @@ error: variant name ends with the enum's name - --> $DIR/enum_variants.rs:16:5 + --> $DIR/enum_variants.rs:15:5 | LL | cFoo, | ^^^^ @@ -7,25 +7,25 @@ LL | cFoo, = note: `-D clippy::enum-variant-names` implied by `-D warnings` error: variant name starts with the enum's name - --> $DIR/enum_variants.rs:27:5 + --> $DIR/enum_variants.rs:26:5 | LL | FoodGood, | ^^^^^^^^ error: variant name starts with the enum's name - --> $DIR/enum_variants.rs:28:5 + --> $DIR/enum_variants.rs:27:5 | LL | FoodMiddle, | ^^^^^^^^^^ error: variant name starts with the enum's name - --> $DIR/enum_variants.rs:29:5 + --> $DIR/enum_variants.rs:28:5 | LL | FoodBad, | ^^^^^^^ error: all variants have the same prefix: `Food` - --> $DIR/enum_variants.rs:26:1 + --> $DIR/enum_variants.rs:25:1 | LL | / enum Food { LL | | FoodGood, @@ -37,7 +37,7 @@ LL | | } = help: remove the prefixes and use full paths to the variants instead of glob imports error: all variants have the same prefix: `CallType` - --> $DIR/enum_variants.rs:36:1 + --> $DIR/enum_variants.rs:35:1 | LL | / enum BadCallType { LL | | CallTypeCall, @@ -49,7 +49,7 @@ LL | | } = help: remove the prefixes and use full paths to the variants instead of glob imports error: all variants have the same prefix: `Constant` - --> $DIR/enum_variants.rs:48:1 + --> $DIR/enum_variants.rs:47:1 | LL | / enum Consts { LL | | ConstantInt, @@ -61,7 +61,7 @@ LL | | } = help: remove the prefixes and use full paths to the variants instead of glob imports error: all variants have the same prefix: `With` - --> $DIR/enum_variants.rs:82:1 + --> $DIR/enum_variants.rs:81:1 | LL | / enum Seallll { LL | | WithOutCake, @@ -73,7 +73,7 @@ LL | | } = help: remove the prefixes and use full paths to the variants instead of glob imports error: all variants have the same prefix: `Prefix` - --> $DIR/enum_variants.rs:88:1 + --> $DIR/enum_variants.rs:87:1 | LL | / enum NonCaps { LL | | Prefix的, @@ -84,21 +84,8 @@ LL | | } | = help: remove the prefixes and use full paths to the variants instead of glob imports -error: all variants have the same prefix: `With` - --> $DIR/enum_variants.rs:94:1 - | -LL | / pub enum PubSeall { -LL | | WithOutCake, -LL | | WithOutTea, -LL | | WithOut, -LL | | } - | |_^ - | - = note: `-D clippy::pub-enum-variant-names` implied by `-D warnings` - = help: remove the prefixes and use full paths to the variants instead of glob imports - error: all variants have the same postfix: `IData` - --> $DIR/enum_variants.rs:137:1 + --> $DIR/enum_variants.rs:136:1 | LL | / enum IDataRequest { LL | | PutIData(String), @@ -110,7 +97,7 @@ LL | | } = help: remove the postfixes and use full paths to the variants instead of glob imports error: all variants have the same postfix: `HIData` - --> $DIR/enum_variants.rs:143:1 + --> $DIR/enum_variants.rs:142:1 | LL | / enum HIDataRequest { LL | | PutHIData(String), @@ -121,5 +108,5 @@ LL | | } | = help: remove the postfixes and use full paths to the variants instead of glob imports -error: aborting due to 12 previous errors +error: aborting due to 11 previous errors diff --git a/src/tools/clippy/tests/ui/eta.fixed b/src/tools/clippy/tests/ui/eta.fixed index 2be2283e3fd..9e752311c67 100644 --- a/src/tools/clippy/tests/ui/eta.fixed +++ b/src/tools/clippy/tests/ui/eta.fixed @@ -48,6 +48,9 @@ fn main() { // See #515 let a: Option<Box<dyn (::std::ops::Deref<Target = [i32]>)>> = Some(vec![1i32, 2]).map(|v| -> Box<dyn (::std::ops::Deref<Target = [i32]>)> { Box::new(v) }); + + // issue #7224 + let _: Option<Vec<u32>> = Some(0).map(|_| vec![]); } trait TestTrait { diff --git a/src/tools/clippy/tests/ui/eta.rs b/src/tools/clippy/tests/ui/eta.rs index f0373f9ccf6..44be4628cbd 100644 --- a/src/tools/clippy/tests/ui/eta.rs +++ b/src/tools/clippy/tests/ui/eta.rs @@ -48,6 +48,9 @@ fn main() { // See #515 let a: Option<Box<dyn (::std::ops::Deref<Target = [i32]>)>> = Some(vec![1i32, 2]).map(|v| -> Box<dyn (::std::ops::Deref<Target = [i32]>)> { Box::new(v) }); + + // issue #7224 + let _: Option<Vec<u32>> = Some(0).map(|_| vec![]); } trait TestTrait { diff --git a/src/tools/clippy/tests/ui/eta.stderr b/src/tools/clippy/tests/ui/eta.stderr index 57ed6527966..8795d3b42c6 100644 --- a/src/tools/clippy/tests/ui/eta.stderr +++ b/src/tools/clippy/tests/ui/eta.stderr @@ -33,7 +33,7 @@ LL | let e = Some(1u8).map(|a| generic(a)); | ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `generic` error: redundant closure - --> $DIR/eta.rs:89:51 + --> $DIR/eta.rs:92:51 | LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.foo()); | ^^^^^^^^^^^ help: replace the closure with the method itself: `TestStruct::foo` @@ -41,43 +41,43 @@ LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.foo()); = note: `-D clippy::redundant-closure-for-method-calls` implied by `-D warnings` error: redundant closure - --> $DIR/eta.rs:91:51 + --> $DIR/eta.rs:94:51 | LL | let e = Some(TestStruct { some_ref: &i }).map(|a| a.trait_foo()); | ^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `TestTrait::trait_foo` error: redundant closure - --> $DIR/eta.rs:94:42 + --> $DIR/eta.rs:97:42 | LL | let e = Some(&mut vec![1, 2, 3]).map(|v| v.clear()); | ^^^^^^^^^^^^^ help: replace the closure with the method itself: `std::vec::Vec::clear` error: redundant closure - --> $DIR/eta.rs:99:29 + --> $DIR/eta.rs:102:29 | LL | let e = Some("str").map(|s| s.to_string()); | ^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `std::string::ToString::to_string` error: redundant closure - --> $DIR/eta.rs:101:27 + --> $DIR/eta.rs:104:27 | LL | let e = Some('a').map(|s| s.to_uppercase()); | ^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `char::to_uppercase` error: redundant closure - --> $DIR/eta.rs:104:65 + --> $DIR/eta.rs:107:65 | LL | let e: std::vec::Vec<char> = vec!['a', 'b', 'c'].iter().map(|c| c.to_ascii_uppercase()).collect(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the method itself: `char::to_ascii_uppercase` error: redundant closure - --> $DIR/eta.rs:187:27 + --> $DIR/eta.rs:190:27 | LL | let a = Some(1u8).map(|a| foo_ptr(a)); | ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `foo_ptr` error: redundant closure - --> $DIR/eta.rs:192:27 + --> $DIR/eta.rs:195:27 | LL | let a = Some(1u8).map(|a| closure(a)); | ^^^^^^^^^^^^^^ help: replace the closure with the function itself: `closure` diff --git a/src/tools/clippy/tests/ui/from_iter_instead_of_collect.fixed b/src/tools/clippy/tests/ui/from_iter_instead_of_collect.fixed index b5f548810e6..12db43b5343 100644 --- a/src/tools/clippy/tests/ui/from_iter_instead_of_collect.fixed +++ b/src/tools/clippy/tests/ui/from_iter_instead_of_collect.fixed @@ -6,6 +6,20 @@ use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque}; use std::iter::FromIterator; +struct Foo(Vec<bool>); + +impl FromIterator<bool> for Foo { + fn from_iter<T: IntoIterator<Item = bool>>(_: T) -> Self { + todo!() + } +} + +impl<'a> FromIterator<&'a bool> for Foo { + fn from_iter<T: IntoIterator<Item = &'a bool>>(iter: T) -> Self { + iter.into_iter().copied().collect::<Self>() + } +} + fn main() { let iter_expr = std::iter::repeat(5).take(5); let _ = iter_expr.collect::<Vec<_>>(); diff --git a/src/tools/clippy/tests/ui/from_iter_instead_of_collect.rs b/src/tools/clippy/tests/ui/from_iter_instead_of_collect.rs index b842b5451d1..f5ec190e0cd 100644 --- a/src/tools/clippy/tests/ui/from_iter_instead_of_collect.rs +++ b/src/tools/clippy/tests/ui/from_iter_instead_of_collect.rs @@ -6,6 +6,20 @@ use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque}; use std::iter::FromIterator; +struct Foo(Vec<bool>); + +impl FromIterator<bool> for Foo { + fn from_iter<T: IntoIterator<Item = bool>>(_: T) -> Self { + todo!() + } +} + +impl<'a> FromIterator<&'a bool> for Foo { + fn from_iter<T: IntoIterator<Item = &'a bool>>(iter: T) -> Self { + <Self as FromIterator<bool>>::from_iter(iter.into_iter().copied()) + } +} + fn main() { let iter_expr = std::iter::repeat(5).take(5); let _ = Vec::from_iter(iter_expr); diff --git a/src/tools/clippy/tests/ui/from_iter_instead_of_collect.stderr b/src/tools/clippy/tests/ui/from_iter_instead_of_collect.stderr index 434734c9a21..8f08ac8c3ff 100644 --- a/src/tools/clippy/tests/ui/from_iter_instead_of_collect.stderr +++ b/src/tools/clippy/tests/ui/from_iter_instead_of_collect.stderr @@ -1,88 +1,94 @@ error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:11:13 + --> $DIR/from_iter_instead_of_collect.rs:19:9 | -LL | let _ = Vec::from_iter(iter_expr); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `iter_expr.collect::<Vec<_>>()` +LL | <Self as FromIterator<bool>>::from_iter(iter.into_iter().copied()) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `iter.into_iter().copied().collect::<Self>()` | = note: `-D clippy::from-iter-instead-of-collect` implied by `-D warnings` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:13:13 + --> $DIR/from_iter_instead_of_collect.rs:25:13 + | +LL | let _ = Vec::from_iter(iter_expr); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `iter_expr.collect::<Vec<_>>()` + +error: usage of `FromIterator::from_iter` + --> $DIR/from_iter_instead_of_collect.rs:27:13 | LL | let _ = HashMap::<usize, &i8>::from_iter(vec![5, 5, 5, 5].iter().enumerate()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `vec![5, 5, 5, 5].iter().enumerate().collect::<HashMap<usize, &i8>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:18:19 + --> $DIR/from_iter_instead_of_collect.rs:32:19 | LL | assert_eq!(a, Vec::from_iter(0..3)); | ^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<Vec<_>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:19:19 + --> $DIR/from_iter_instead_of_collect.rs:33:19 | LL | assert_eq!(a, Vec::<i32>::from_iter(0..3)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<Vec<i32>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:21:17 + --> $DIR/from_iter_instead_of_collect.rs:35:17 | LL | let mut b = VecDeque::from_iter(0..3); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<VecDeque<_>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:24:17 + --> $DIR/from_iter_instead_of_collect.rs:38:17 | LL | let mut b = VecDeque::<i32>::from_iter(0..3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<VecDeque<i32>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:29:21 + --> $DIR/from_iter_instead_of_collect.rs:43:21 | LL | let mut b = collections::VecDeque::<i32>::from_iter(0..3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<collections::VecDeque<i32>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:34:14 + --> $DIR/from_iter_instead_of_collect.rs:48:14 | LL | let bm = BTreeMap::from_iter(values.iter().cloned()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `values.iter().cloned().collect::<BTreeMap<_, _>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:35:19 + --> $DIR/from_iter_instead_of_collect.rs:49:19 | LL | let mut bar = BTreeMap::from_iter(bm.range(0..2)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `bm.range(0..2).collect::<BTreeMap<_, _>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:38:19 + --> $DIR/from_iter_instead_of_collect.rs:52:19 | LL | let mut bts = BTreeSet::from_iter(0..3); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<BTreeSet<_>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:42:17 + --> $DIR/from_iter_instead_of_collect.rs:56:17 | LL | let _ = collections::BTreeSet::from_iter(0..3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<collections::BTreeSet<_>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:43:17 + --> $DIR/from_iter_instead_of_collect.rs:57:17 | LL | let _ = collections::BTreeSet::<u32>::from_iter(0..3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `(0..3).collect::<collections::BTreeSet<u32>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:46:15 + --> $DIR/from_iter_instead_of_collect.rs:60:15 | LL | for _i in Vec::from_iter([1, 2, 3].iter()) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `[1, 2, 3].iter().collect::<Vec<_>>()` error: usage of `FromIterator::from_iter` - --> $DIR/from_iter_instead_of_collect.rs:47:15 + --> $DIR/from_iter_instead_of_collect.rs:61:15 | LL | for _i in Vec::<&i32>::from_iter([1, 2, 3].iter()) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `.collect()` instead of `::from_iter()`: `[1, 2, 3].iter().collect::<Vec<&i32>>()` -error: aborting due to 14 previous errors +error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui/functions.stderr b/src/tools/clippy/tests/ui/functions.stderr index 0a86568b18d..a2b8c2a384b 100644 --- a/src/tools/clippy/tests/ui/functions.stderr +++ b/src/tools/clippy/tests/ui/functions.stderr @@ -30,7 +30,7 @@ error: this function has too many arguments (8/7) LL | fn bad_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:63:34 | LL | println!("{}", unsafe { *p }); @@ -38,49 +38,49 @@ LL | println!("{}", unsafe { *p }); | = note: `-D clippy::not-unsafe-ptr-arg-deref` implied by `-D warnings` -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:64:35 | LL | println!("{:?}", unsafe { p.as_ref() }); | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:65:33 | LL | unsafe { std::ptr::read(p) }; | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:76:30 | LL | println!("{}", unsafe { *p }); | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:77:31 | LL | println!("{:?}", unsafe { p.as_ref() }); | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:78:29 | LL | unsafe { std::ptr::read(p) }; | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:87:34 | LL | println!("{}", unsafe { *p }); | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:88:35 | LL | println!("{:?}", unsafe { p.as_ref() }); | ^ -error: this public function dereferences a raw pointer but is not marked `unsafe` +error: this public function might dereference a raw pointer but is not marked `unsafe` --> $DIR/functions.rs:89:33 | LL | unsafe { std::ptr::read(p) }; diff --git a/src/tools/clippy/tests/ui/macro_use_imports.fixed b/src/tools/clippy/tests/ui/macro_use_imports.fixed index 51c66a46368..70d49d9f2c4 100644 --- a/src/tools/clippy/tests/ui/macro_use_imports.fixed +++ b/src/tools/clippy/tests/ui/macro_use_imports.fixed @@ -1,6 +1,7 @@ // compile-flags: --edition 2018 // aux-build:macro_rules.rs // aux-build:macro_use_helper.rs +// aux-build:proc_macro_derive.rs // run-rustfix // ignore-32bit @@ -12,7 +13,7 @@ extern crate macro_use_helper as mac; #[macro_use] -extern crate clippy_mini_macro_test as mini_mac; +extern crate proc_macro_derive as mini_mac; mod a { use mac::{pub_macro, inner_mod_macro, function_macro, ty_macro, pub_in_private_macro}; diff --git a/src/tools/clippy/tests/ui/macro_use_imports.rs b/src/tools/clippy/tests/ui/macro_use_imports.rs index 2011129bc94..68370023861 100644 --- a/src/tools/clippy/tests/ui/macro_use_imports.rs +++ b/src/tools/clippy/tests/ui/macro_use_imports.rs @@ -1,6 +1,7 @@ // compile-flags: --edition 2018 // aux-build:macro_rules.rs // aux-build:macro_use_helper.rs +// aux-build:proc_macro_derive.rs // run-rustfix // ignore-32bit @@ -12,7 +13,7 @@ extern crate macro_use_helper as mac; #[macro_use] -extern crate clippy_mini_macro_test as mini_mac; +extern crate proc_macro_derive as mini_mac; mod a { #[macro_use] diff --git a/src/tools/clippy/tests/ui/macro_use_imports.stderr b/src/tools/clippy/tests/ui/macro_use_imports.stderr index f8c86c8d917..49314b7506d 100644 --- a/src/tools/clippy/tests/ui/macro_use_imports.stderr +++ b/src/tools/clippy/tests/ui/macro_use_imports.stderr @@ -1,5 +1,5 @@ error: `macro_use` attributes are no longer needed in the Rust 2018 edition - --> $DIR/macro_use_imports.rs:18:5 + --> $DIR/macro_use_imports.rs:19:5 | LL | #[macro_use] | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::{pub_macro, inner_mod_macro, function_macro, ty_macro, pub_in_private_macro};` @@ -7,22 +7,22 @@ LL | #[macro_use] = note: `-D clippy::macro-use-imports` implied by `-D warnings` error: `macro_use` attributes are no longer needed in the Rust 2018 edition - --> $DIR/macro_use_imports.rs:20:5 + --> $DIR/macro_use_imports.rs:25:5 | LL | #[macro_use] - | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mini_mac::ClippyMiniMacroTest;` + | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::inner::nested::string_add;` error: `macro_use` attributes are no longer needed in the Rust 2018 edition - --> $DIR/macro_use_imports.rs:22:5 + --> $DIR/macro_use_imports.rs:21:5 | LL | #[macro_use] - | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::{inner::foofoo, inner::try_err};` + | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mini_mac::ClippyMiniMacroTest;` error: `macro_use` attributes are no longer needed in the Rust 2018 edition - --> $DIR/macro_use_imports.rs:24:5 + --> $DIR/macro_use_imports.rs:23:5 | LL | #[macro_use] - | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::inner::nested::string_add;` + | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::{inner::foofoo, inner::try_err};` error: aborting due to 4 previous errors diff --git a/src/tools/clippy/tests/ui/manual_str_repeat.fixed b/src/tools/clippy/tests/ui/manual_str_repeat.fixed new file mode 100644 index 00000000000..dc140257f32 --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_str_repeat.fixed @@ -0,0 +1,66 @@ +// run-rustfix + +#![feature(custom_inner_attributes)] +#![warn(clippy::manual_str_repeat)] + +use std::borrow::Cow; +use std::iter::{repeat, FromIterator}; + +fn main() { + let _: String = "test".repeat(10); + let _: String = "x".repeat(10); + let _: String = "'".repeat(10); + let _: String = "\"".repeat(10); + + let x = "test"; + let count = 10; + let _ = x.repeat(count + 2); + + macro_rules! m { + ($e:expr) => {{ $e }}; + } + // FIXME: macro args are fine + let _: String = repeat(m!("test")).take(m!(count)).collect(); + + let x = &x; + let _: String = (*x).repeat(count); + + macro_rules! repeat_m { + ($e:expr) => {{ repeat($e) }}; + } + // Don't lint, repeat is from a macro. + let _: String = repeat_m!("test").take(count).collect(); + + let x: Box<str> = Box::from("test"); + let _: String = x.repeat(count); + + #[derive(Clone)] + struct S; + impl FromIterator<Box<S>> for String { + fn from_iter<T: IntoIterator<Item = Box<S>>>(_: T) -> Self { + Self::new() + } + } + // Don't lint, wrong box type + let _: String = repeat(Box::new(S)).take(count).collect(); + + let _: String = Cow::Borrowed("test").repeat(count); + + let x = "x".to_owned(); + let _: String = x.repeat(count); + + let x = 'x'; + // Don't lint, not char literal + let _: String = repeat(x).take(count).collect(); +} + +fn _msrv_1_15() { + #![clippy::msrv = "1.15"] + // `str::repeat` was stabilized in 1.16. Do not lint this + let _: String = std::iter::repeat("test").take(10).collect(); +} + +fn _msrv_1_16() { + #![clippy::msrv = "1.16"] + let _: String = "test".repeat(10); +} diff --git a/src/tools/clippy/tests/ui/manual_str_repeat.rs b/src/tools/clippy/tests/ui/manual_str_repeat.rs new file mode 100644 index 00000000000..0d69c989b2e --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_str_repeat.rs @@ -0,0 +1,66 @@ +// run-rustfix + +#![feature(custom_inner_attributes)] +#![warn(clippy::manual_str_repeat)] + +use std::borrow::Cow; +use std::iter::{repeat, FromIterator}; + +fn main() { + let _: String = std::iter::repeat("test").take(10).collect(); + let _: String = std::iter::repeat('x').take(10).collect(); + let _: String = std::iter::repeat('\'').take(10).collect(); + let _: String = std::iter::repeat('"').take(10).collect(); + + let x = "test"; + let count = 10; + let _ = repeat(x).take(count + 2).collect::<String>(); + + macro_rules! m { + ($e:expr) => {{ $e }}; + } + // FIXME: macro args are fine + let _: String = repeat(m!("test")).take(m!(count)).collect(); + + let x = &x; + let _: String = repeat(*x).take(count).collect(); + + macro_rules! repeat_m { + ($e:expr) => {{ repeat($e) }}; + } + // Don't lint, repeat is from a macro. + let _: String = repeat_m!("test").take(count).collect(); + + let x: Box<str> = Box::from("test"); + let _: String = repeat(x).take(count).collect(); + + #[derive(Clone)] + struct S; + impl FromIterator<Box<S>> for String { + fn from_iter<T: IntoIterator<Item = Box<S>>>(_: T) -> Self { + Self::new() + } + } + // Don't lint, wrong box type + let _: String = repeat(Box::new(S)).take(count).collect(); + + let _: String = repeat(Cow::Borrowed("test")).take(count).collect(); + + let x = "x".to_owned(); + let _: String = repeat(x).take(count).collect(); + + let x = 'x'; + // Don't lint, not char literal + let _: String = repeat(x).take(count).collect(); +} + +fn _msrv_1_15() { + #![clippy::msrv = "1.15"] + // `str::repeat` was stabilized in 1.16. Do not lint this + let _: String = std::iter::repeat("test").take(10).collect(); +} + +fn _msrv_1_16() { + #![clippy::msrv = "1.16"] + let _: String = std::iter::repeat("test").take(10).collect(); +} diff --git a/src/tools/clippy/tests/ui/manual_str_repeat.stderr b/src/tools/clippy/tests/ui/manual_str_repeat.stderr new file mode 100644 index 00000000000..c6511689716 --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_str_repeat.stderr @@ -0,0 +1,64 @@ +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:10:21 + | +LL | let _: String = std::iter::repeat("test").take(10).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"test".repeat(10)` + | + = note: `-D clippy::manual-str-repeat` implied by `-D warnings` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:11:21 + | +LL | let _: String = std::iter::repeat('x').take(10).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"x".repeat(10)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:12:21 + | +LL | let _: String = std::iter::repeat('/'').take(10).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"'".repeat(10)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:13:21 + | +LL | let _: String = std::iter::repeat('"').take(10).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"/"".repeat(10)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:17:13 + | +LL | let _ = repeat(x).take(count + 2).collect::<String>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `x.repeat(count + 2)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:26:21 + | +LL | let _: String = repeat(*x).take(count).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `(*x).repeat(count)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:35:21 + | +LL | let _: String = repeat(x).take(count).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `x.repeat(count)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:47:21 + | +LL | let _: String = repeat(Cow::Borrowed("test")).take(count).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `Cow::Borrowed("test").repeat(count)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:50:21 + | +LL | let _: String = repeat(x).take(count).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `x.repeat(count)` + +error: manual implementation of `str::repeat` using iterators + --> $DIR/manual_str_repeat.rs:65:21 + | +LL | let _: String = std::iter::repeat("test").take(10).collect(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `"test".repeat(10)` + +error: aborting due to 10 previous errors + diff --git a/src/tools/clippy/tests/ui/missing-doc-crate.rs b/src/tools/clippy/tests/ui/missing-doc-crate.rs index 04711f86488..e00c7fbfed1 100644 --- a/src/tools/clippy/tests/ui/missing-doc-crate.rs +++ b/src/tools/clippy/tests/ui/missing-doc-crate.rs @@ -1,5 +1,4 @@ #![warn(clippy::missing_docs_in_private_items)] -#![feature(external_doc)] -#![doc(include = "../../README.md")] +#![doc = include_str!("../../README.md")] fn main() {} diff --git a/src/tools/clippy/tests/ui/missing-doc-impl.rs b/src/tools/clippy/tests/ui/missing-doc-impl.rs index 57af84dcdf4..bfa9ef01b0e 100644 --- a/src/tools/clippy/tests/ui/missing-doc-impl.rs +++ b/src/tools/clippy/tests/ui/missing-doc-impl.rs @@ -67,7 +67,10 @@ impl PubFoo { pub fn foo() {} /// dox pub fn foo1() {} - fn foo2() {} + #[must_use = "yep"] + fn foo2() -> u32 { + 1 + } #[allow(clippy::missing_docs_in_private_items)] pub fn foo3() {} } diff --git a/src/tools/clippy/tests/ui/missing-doc-impl.stderr b/src/tools/clippy/tests/ui/missing-doc-impl.stderr index 7e10404ca00..d33d512475b 100644 --- a/src/tools/clippy/tests/ui/missing-doc-impl.stderr +++ b/src/tools/clippy/tests/ui/missing-doc-impl.stderr @@ -94,10 +94,12 @@ LL | pub fn foo() {} | ^^^^^^^^^^^^^^^ error: missing documentation for an associated function - --> $DIR/missing-doc-impl.rs:70:5 + --> $DIR/missing-doc-impl.rs:71:5 | -LL | fn foo2() {} - | ^^^^^^^^^^^^ +LL | / fn foo2() -> u32 { +LL | | 1 +LL | | } + | |_____^ error: aborting due to 15 previous errors diff --git a/src/tools/clippy/tests/ui/module_name_repetitions.rs b/src/tools/clippy/tests/ui/module_name_repetitions.rs index 669bf01a84c..f5908cb5701 100644 --- a/src/tools/clippy/tests/ui/module_name_repetitions.rs +++ b/src/tools/clippy/tests/ui/module_name_repetitions.rs @@ -15,12 +15,4 @@ mod foo { pub struct Foobar; } -#[cfg(test)] -mod test { - #[test] - fn it_works() { - assert_eq!(2 + 2, 4); - } -} - fn main() {} diff --git a/src/tools/clippy/tests/ui/needless_borrow.fixed b/src/tools/clippy/tests/ui/needless_borrow.fixed index 5ae4a0e79b9..a87171dc3f2 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.fixed +++ b/src/tools/clippy/tests/ui/needless_borrow.fixed @@ -18,7 +18,6 @@ fn main() { let vec = Vec::new(); let vec_val = g(&vec); // should not error, because `&Vec<T>` derefs to `&[T]` h(&"foo"); // should not error, because the `&&str` is required, due to `&Trait` - if let Some(cake) = Some(&5) {} let garbl = match 42 { 44 => &a, 45 => { @@ -43,19 +42,3 @@ trait Trait {} impl<'a> Trait for &'a str {} fn h(_: &dyn Trait) {} -#[warn(clippy::needless_borrow)] -#[allow(dead_code)] -fn issue_1432() { - let mut v = Vec::<String>::new(); - let _ = v.iter_mut().filter(|&ref a| a.is_empty()); - let _ = v.iter().filter(|&a| a.is_empty()); - - let _ = v.iter().filter(|&a| a.is_empty()); -} - -#[allow(dead_code)] -#[warn(clippy::needless_borrow)] -#[derive(Debug)] -enum Foo<'a> { - Str(&'a str), -} diff --git a/src/tools/clippy/tests/ui/needless_borrow.rs b/src/tools/clippy/tests/ui/needless_borrow.rs index 1e281316c8a..059dc8ceac3 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.rs +++ b/src/tools/clippy/tests/ui/needless_borrow.rs @@ -18,7 +18,6 @@ fn main() { let vec = Vec::new(); let vec_val = g(&vec); // should not error, because `&Vec<T>` derefs to `&[T]` h(&"foo"); // should not error, because the `&&str` is required, due to `&Trait` - if let Some(ref cake) = Some(&5) {} let garbl = match 42 { 44 => &a, 45 => { @@ -43,19 +42,3 @@ trait Trait {} impl<'a> Trait for &'a str {} fn h(_: &dyn Trait) {} -#[warn(clippy::needless_borrow)] -#[allow(dead_code)] -fn issue_1432() { - let mut v = Vec::<String>::new(); - let _ = v.iter_mut().filter(|&ref a| a.is_empty()); - let _ = v.iter().filter(|&ref a| a.is_empty()); - - let _ = v.iter().filter(|&a| a.is_empty()); -} - -#[allow(dead_code)] -#[warn(clippy::needless_borrow)] -#[derive(Debug)] -enum Foo<'a> { - Str(&'a str), -} diff --git a/src/tools/clippy/tests/ui/needless_borrow.stderr b/src/tools/clippy/tests/ui/needless_borrow.stderr index bea4b41b803..6eddf26db06 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.stderr +++ b/src/tools/clippy/tests/ui/needless_borrow.stderr @@ -6,23 +6,11 @@ LL | let c = x(&&a); | = note: `-D clippy::needless-borrow` implied by `-D warnings` -error: this pattern creates a reference to a reference - --> $DIR/needless_borrow.rs:21:17 - | -LL | if let Some(ref cake) = Some(&5) {} - | ^^^^^^^^ help: change this to: `cake` - error: this expression borrows a reference (`&i32`) that is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:28:15 + --> $DIR/needless_borrow.rs:27:15 | LL | 46 => &&a, | ^^^ help: change this to: `&a` -error: this pattern creates a reference to a reference - --> $DIR/needless_borrow.rs:51:31 - | -LL | let _ = v.iter().filter(|&ref a| a.is_empty()); - | ^^^^^ help: change this to: `a` - -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors diff --git a/src/tools/clippy/tests/ui/needless_borrow_pat.rs b/src/tools/clippy/tests/ui/needless_borrow_pat.rs new file mode 100644 index 00000000000..f0926220755 --- /dev/null +++ b/src/tools/clippy/tests/ui/needless_borrow_pat.rs @@ -0,0 +1,151 @@ +// edition:2018 +// FIXME: run-rustfix waiting on multi-span suggestions + +#![warn(clippy::needless_borrow)] +#![allow(clippy::needless_borrowed_reference)] + +fn f1(_: &str) {} +macro_rules! m1 { + ($e:expr) => { + f1($e); + }; +} +macro_rules! m3 { + ($i:ident) => { + Some(ref $i) + }; +} +macro_rules! if_chain { + (if $e:expr; $($rest:tt)*) => { + if $e { + if_chain!($($rest)*) + } + }; + + (if let $p:pat = $e:expr; $($rest:tt)*) => { + if let $p = $e { + if_chain!($($rest)*) + } + }; + + (then $b:block) => { + $b + }; +} + +#[allow(dead_code)] +fn main() { + let x = String::new(); + + // Ok, reference to a String. + let _: &String = match Some(x.clone()) { + Some(ref x) => x, + None => return, + }; + + // Ok, reference to a &mut String + let _: &&mut String = match Some(&mut x.clone()) { + Some(ref x) => x, + None => return, + }; + + // Ok, the pattern is from a macro + let _: &String = match Some(&x) { + m3!(x) => x, + None => return, + }; + + // Err, reference to a &String + let _: &String = match Some(&x) { + Some(ref x) => x, + None => return, + }; + + // Err, reference to a &String. + let _: &String = match Some(&x) { + Some(ref x) => *x, + None => return, + }; + + // Err, reference to a &String + let _: &String = match Some(&x) { + Some(ref x) => { + f1(x); + f1(*x); + x + }, + None => return, + }; + + // Err, reference to a &String + match Some(&x) { + Some(ref x) => m1!(x), + None => return, + }; + + // Err, reference to a &String + let _ = |&ref x: &&String| { + let _: &String = x; + }; + + // Err, reference to a &String + let (ref y,) = (&x,); + let _: &String = *y; + + let y = &&x; + // Ok, different y + let _: &String = *y; + + let x = (0, 0); + // Err, reference to a &u32. Don't suggest adding a reference to the field access. + let _: u32 = match Some(&x) { + Some(ref x) => x.0, + None => return, + }; + + enum E { + A(&'static u32), + B(&'static u32), + } + // Err, reference to &u32. + let _: &u32 = match E::A(&0) { + E::A(ref x) | E::B(ref x) => *x, + }; + + // Err, reference to &String. + if_chain! { + if true; + if let Some(ref x) = Some(&String::new()); + then { + f1(x); + } + } +} + +// Err, reference to a &String +fn f2<'a>(&ref x: &&'a String) -> &'a String { + let _: &String = x; + *x +} + +trait T1 { + // Err, reference to a &String + fn f(&ref x: &&String) { + let _: &String = x; + } +} + +struct S; +impl T1 for S { + // Err, reference to a &String + fn f(&ref x: &&String) { + let _: &String = *x; + } +} + +// Ok - used to error due to rustc bug +#[allow(dead_code)] +#[derive(Debug)] +enum Foo<'a> { + Str(&'a str), +} diff --git a/src/tools/clippy/tests/ui/needless_borrow_pat.stderr b/src/tools/clippy/tests/ui/needless_borrow_pat.stderr new file mode 100644 index 00000000000..32913d59f7a --- /dev/null +++ b/src/tools/clippy/tests/ui/needless_borrow_pat.stderr @@ -0,0 +1,112 @@ +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:60:14 + | +LL | Some(ref x) => x, + | ^^^^^ help: try this: `x` + | + = note: `-D clippy::needless-borrow` implied by `-D warnings` + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:66:14 + | +LL | Some(ref x) => *x, + | ^^^^^ + | +help: try this + | +LL | Some(x) => x, + | ^ ^ + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:72:14 + | +LL | Some(ref x) => { + | ^^^^^ + | +help: try this + | +LL | Some(x) => { +LL | f1(x); +LL | f1(x); + | + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:82:14 + | +LL | Some(ref x) => m1!(x), + | ^^^^^ help: try this: `x` + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:87:15 + | +LL | let _ = |&ref x: &&String| { + | ^^^^^ help: try this: `x` + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:92:10 + | +LL | let (ref y,) = (&x,); + | ^^^^^ + | +help: try this + | +LL | let (y,) = (&x,); +LL | let _: &String = y; + | + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:102:14 + | +LL | Some(ref x) => x.0, + | ^^^^^ help: try this: `x` + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:112:14 + | +LL | E::A(ref x) | E::B(ref x) => *x, + | ^^^^^ ^^^^^ + | +help: try this + | +LL | E::A(x) | E::B(x) => x, + | ^ ^ ^ + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:118:21 + | +LL | if let Some(ref x) = Some(&String::new()); + | ^^^^^ help: try this: `x` + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:126:12 + | +LL | fn f2<'a>(&ref x: &&'a String) -> &'a String { + | ^^^^^ + | +help: try this + | +LL | fn f2<'a>(&x: &&'a String) -> &'a String { +LL | let _: &String = x; +LL | x + | + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:133:11 + | +LL | fn f(&ref x: &&String) { + | ^^^^^ help: try this: `x` + +error: this pattern creates a reference to a reference + --> $DIR/needless_borrow_pat.rs:141:11 + | +LL | fn f(&ref x: &&String) { + | ^^^^^ + | +help: try this + | +LL | fn f(&x: &&String) { +LL | let _: &String = x; + | + +error: aborting due to 12 previous errors + diff --git a/src/tools/clippy/tests/ui/needless_collect_indirect.rs b/src/tools/clippy/tests/ui/needless_collect_indirect.rs index 2458bf1e490..2c94235b8f5 100644 --- a/src/tools/clippy/tests/ui/needless_collect_indirect.rs +++ b/src/tools/clippy/tests/ui/needless_collect_indirect.rs @@ -1,4 +1,4 @@ -use std::collections::{BinaryHeap, HashMap, LinkedList, VecDeque}; +use std::collections::{BinaryHeap, HashMap, HashSet, LinkedList, VecDeque}; fn main() { let sample = [1; 5]; @@ -75,3 +75,9 @@ mod issue7110 { buffer.len() } } + +fn allow_test() { + #[allow(clippy::needless_collect)] + let v = [1].iter().collect::<Vec<_>>(); + v.into_iter().collect::<HashSet<_>>(); +} diff --git a/src/tools/clippy/tests/ui/no_effect.rs b/src/tools/clippy/tests/ui/no_effect.rs index 8fbfcb79860..7ec845adfaa 100644 --- a/src/tools/clippy/tests/ui/no_effect.rs +++ b/src/tools/clippy/tests/ui/no_effect.rs @@ -91,6 +91,9 @@ fn main() { let s: String = "foo".into(); FooString { s: s }; + #[allow(clippy::no_effect)] + 0; + // Do not warn get_number(); unsafe { unsafe_fn() }; diff --git a/src/tools/clippy/tests/ui/ref_binding_to_reference.rs b/src/tools/clippy/tests/ui/ref_binding_to_reference.rs new file mode 100644 index 00000000000..c7235e1c221 --- /dev/null +++ b/src/tools/clippy/tests/ui/ref_binding_to_reference.rs @@ -0,0 +1,76 @@ +// edition:2018 +// FIXME: run-rustfix waiting on multi-span suggestions + +#![warn(clippy::ref_binding_to_reference)] +#![allow(clippy::needless_borrowed_reference)] + +fn f1(_: &str) {} +macro_rules! m2 { + ($e:expr) => { + f1(*$e); + }; +} +macro_rules! m3 { + ($i:ident) => { + Some(ref $i) + }; +} + +#[allow(dead_code)] +fn main() { + let x = String::new(); + + // Ok, the pattern is from a macro + let _: &&String = match Some(&x) { + m3!(x) => x, + None => return, + }; + + // Err, reference to a &String + let _: &&String = match Some(&x) { + Some(ref x) => x, + None => return, + }; + + // Err, reference to a &String + let _: &&String = match Some(&x) { + Some(ref x) => { + f1(x); + f1(*x); + x + }, + None => return, + }; + + // Err, reference to a &String + match Some(&x) { + Some(ref x) => m2!(x), + None => return, + } + + // Err, reference to a &String + let _ = |&ref x: &&String| { + let _: &&String = x; + }; +} + +// Err, reference to a &String +fn f2<'a>(&ref x: &&'a String) -> &'a String { + let _: &&String = x; + *x +} + +trait T1 { + // Err, reference to a &String + fn f(&ref x: &&String) { + let _: &&String = x; + } +} + +struct S; +impl T1 for S { + // Err, reference to a &String + fn f(&ref x: &&String) { + let _: &&String = x; + } +} diff --git a/src/tools/clippy/tests/ui/ref_binding_to_reference.stderr b/src/tools/clippy/tests/ui/ref_binding_to_reference.stderr new file mode 100644 index 00000000000..00aeff4fefa --- /dev/null +++ b/src/tools/clippy/tests/ui/ref_binding_to_reference.stderr @@ -0,0 +1,88 @@ +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:31:14 + | +LL | Some(ref x) => x, + | ^^^^^ + | + = note: `-D clippy::ref-binding-to-reference` implied by `-D warnings` +help: try this + | +LL | Some(x) => &x, + | ^ ^^ + +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:37:14 + | +LL | Some(ref x) => { + | ^^^^^ + | +help: try this + | +LL | Some(x) => { +LL | f1(x); +LL | f1(x); +LL | &x + | + +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:47:14 + | +LL | Some(ref x) => m2!(x), + | ^^^^^ + | +help: try this + | +LL | Some(x) => m2!(&x), + | ^ ^^ + +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:52:15 + | +LL | let _ = |&ref x: &&String| { + | ^^^^^ + | +help: try this + | +LL | let _ = |&x: &&String| { +LL | let _: &&String = &x; + | + +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:58:12 + | +LL | fn f2<'a>(&ref x: &&'a String) -> &'a String { + | ^^^^^ + | +help: try this + | +LL | fn f2<'a>(&x: &&'a String) -> &'a String { +LL | let _: &&String = &x; +LL | x + | + +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:65:11 + | +LL | fn f(&ref x: &&String) { + | ^^^^^ + | +help: try this + | +LL | fn f(&x: &&String) { +LL | let _: &&String = &x; + | + +error: this pattern creates a reference to a reference + --> $DIR/ref_binding_to_reference.rs:73:11 + | +LL | fn f(&ref x: &&String) { + | ^^^^^ + | +help: try this + | +LL | fn f(&x: &&String) { +LL | let _: &&String = &x; + | + +error: aborting due to 7 previous errors + diff --git a/src/tools/clippy/tests/ui/similar_names.rs b/src/tools/clippy/tests/ui/similar_names.rs index 5981980988b..2b1bc1f4859 100644 --- a/src/tools/clippy/tests/ui/similar_names.rs +++ b/src/tools/clippy/tests/ui/similar_names.rs @@ -72,6 +72,10 @@ fn main() { let rx1: i32; let tx_cake: i32; let rx_cake: i32; + + // names often used in win32 code (for example WindowProc) + let wparam: i32; + let lparam: i32; } fn foo() { diff --git a/src/tools/clippy/tests/ui/similar_names.stderr b/src/tools/clippy/tests/ui/similar_names.stderr index 0256f126a94..a7eb2be0778 100644 --- a/src/tools/clippy/tests/ui/similar_names.stderr +++ b/src/tools/clippy/tests/ui/similar_names.stderr @@ -92,13 +92,13 @@ LL | let parsee: i32; | ^^^^^^ error: binding's name is too similar to existing binding - --> $DIR/similar_names.rs:81:16 + --> $DIR/similar_names.rs:85:16 | LL | bpple: sprang, | ^^^^^^ | note: existing binding defined here - --> $DIR/similar_names.rs:80:16 + --> $DIR/similar_names.rs:84:16 | LL | apple: spring, | ^^^^^^ diff --git a/src/tools/clippy/tests/ui/single_char_pattern.fixed b/src/tools/clippy/tests/ui/single_char_pattern.fixed index fcbe9af9f56..1abd2b7883d 100644 --- a/src/tools/clippy/tests/ui/single_char_pattern.fixed +++ b/src/tools/clippy/tests/ui/single_char_pattern.fixed @@ -25,8 +25,8 @@ fn main() { x.rsplit('x'); x.split_terminator('x'); x.rsplit_terminator('x'); - x.splitn(0, 'x'); - x.rsplitn(0, 'x'); + x.splitn(2, 'x'); + x.rsplitn(2, 'x'); x.matches('x'); x.rmatches('x'); x.match_indices('x'); diff --git a/src/tools/clippy/tests/ui/single_char_pattern.rs b/src/tools/clippy/tests/ui/single_char_pattern.rs index b8bc20f4070..e662bf34be2 100644 --- a/src/tools/clippy/tests/ui/single_char_pattern.rs +++ b/src/tools/clippy/tests/ui/single_char_pattern.rs @@ -25,8 +25,8 @@ fn main() { x.rsplit("x"); x.split_terminator("x"); x.rsplit_terminator("x"); - x.splitn(0, "x"); - x.rsplitn(0, "x"); + x.splitn(2, "x"); + x.rsplitn(2, "x"); x.matches("x"); x.rmatches("x"); x.match_indices("x"); diff --git a/src/tools/clippy/tests/ui/single_char_pattern.stderr b/src/tools/clippy/tests/ui/single_char_pattern.stderr index 6d94d8a34e3..22d4b2d460f 100644 --- a/src/tools/clippy/tests/ui/single_char_pattern.stderr +++ b/src/tools/clippy/tests/ui/single_char_pattern.stderr @@ -75,13 +75,13 @@ LL | x.rsplit_terminator("x"); error: single-character string constant used as pattern --> $DIR/single_char_pattern.rs:28:17 | -LL | x.splitn(0, "x"); +LL | x.splitn(2, "x"); | ^^^ help: try using a `char` instead: `'x'` error: single-character string constant used as pattern --> $DIR/single_char_pattern.rs:29:18 | -LL | x.rsplitn(0, "x"); +LL | x.rsplitn(2, "x"); | ^^^ help: try using a `char` instead: `'x'` error: single-character string constant used as pattern diff --git a/src/tools/clippy/tests/ui/suspicious_splitn.rs b/src/tools/clippy/tests/ui/suspicious_splitn.rs new file mode 100644 index 00000000000..a21d94cf20b --- /dev/null +++ b/src/tools/clippy/tests/ui/suspicious_splitn.rs @@ -0,0 +1,20 @@ +#![warn(clippy::suspicious_splitn)] + +fn main() { + let _ = "a,b,c".splitn(3, ','); + let _ = [0, 1, 2, 1, 3].splitn(3, |&x| x == 1); + let _ = "".splitn(0, ','); + let _ = [].splitn(0, |&x: &u32| x == 1); + + let _ = "a,b".splitn(0, ','); + let _ = "a,b".rsplitn(0, ','); + let _ = "a,b".splitn(1, ','); + let _ = [0, 1, 2].splitn(0, |&x| x == 1); + let _ = [0, 1, 2].splitn_mut(0, |&x| x == 1); + let _ = [0, 1, 2].splitn(1, |&x| x == 1); + let _ = [0, 1, 2].rsplitn_mut(1, |&x| x == 1); + + const X: usize = 0; + let _ = "a,b".splitn(X + 1, ','); + let _ = "a,b".splitn(X, ','); +} diff --git a/src/tools/clippy/tests/ui/suspicious_splitn.stderr b/src/tools/clippy/tests/ui/suspicious_splitn.stderr new file mode 100644 index 00000000000..b6220ae2393 --- /dev/null +++ b/src/tools/clippy/tests/ui/suspicious_splitn.stderr @@ -0,0 +1,75 @@ +error: `splitn` called with `0` splits + --> $DIR/suspicious_splitn.rs:9:13 + | +LL | let _ = "a,b".splitn(0, ','); + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: `-D clippy::suspicious-splitn` implied by `-D warnings` + = note: the resulting iterator will always return `None` + +error: `rsplitn` called with `0` splits + --> $DIR/suspicious_splitn.rs:10:13 + | +LL | let _ = "a,b".rsplitn(0, ','); + | ^^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return `None` + +error: `splitn` called with `1` split + --> $DIR/suspicious_splitn.rs:11:13 + | +LL | let _ = "a,b".splitn(1, ','); + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return the entire string followed by `None` + +error: `splitn` called with `0` splits + --> $DIR/suspicious_splitn.rs:12:13 + | +LL | let _ = [0, 1, 2].splitn(0, |&x| x == 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return `None` + +error: `splitn_mut` called with `0` splits + --> $DIR/suspicious_splitn.rs:13:13 + | +LL | let _ = [0, 1, 2].splitn_mut(0, |&x| x == 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return `None` + +error: `splitn` called with `1` split + --> $DIR/suspicious_splitn.rs:14:13 + | +LL | let _ = [0, 1, 2].splitn(1, |&x| x == 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return the entire slice followed by `None` + +error: `rsplitn_mut` called with `1` split + --> $DIR/suspicious_splitn.rs:15:13 + | +LL | let _ = [0, 1, 2].rsplitn_mut(1, |&x| x == 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return the entire slice followed by `None` + +error: `splitn` called with `1` split + --> $DIR/suspicious_splitn.rs:18:13 + | +LL | let _ = "a,b".splitn(X + 1, ','); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return the entire string followed by `None` + +error: `splitn` called with `0` splits + --> $DIR/suspicious_splitn.rs:19:13 + | +LL | let _ = "a,b".splitn(X, ','); + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: the resulting iterator will always return `None` + +error: aborting due to 9 previous errors + diff --git a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr index ccc3cdb2b74..2b0005bbff1 100644 --- a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr +++ b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr @@ -89,12 +89,6 @@ LL | fn trait_method(&self, _foo: &Foo); | ^^^^ help: consider passing by value instead: `Foo` error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) - --> $DIR/trivially_copy_pass_by_ref.rs:80:37 - | -LL | fn trait_method2(&self, _color: &Color); - | ^^^^^^ help: consider passing by value instead: `Color` - -error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte) --> $DIR/trivially_copy_pass_by_ref.rs:108:21 | LL | fn foo_never(x: &i32) { @@ -106,5 +100,5 @@ error: this argument (N byte) is passed by reference, but would be more efficien LL | fn foo(x: &i32) { | ^^^^ help: consider passing by value instead: `i32` -error: aborting due to 17 previous errors +error: aborting due to 16 previous errors diff --git a/src/tools/clippy/tests/ui/unnecessary_wraps.rs b/src/tools/clippy/tests/ui/unnecessary_wraps.rs index 54f22e3ee6a..63648ef5826 100644 --- a/src/tools/clippy/tests/ui/unnecessary_wraps.rs +++ b/src/tools/clippy/tests/ui/unnecessary_wraps.rs @@ -65,7 +65,7 @@ fn func10() -> Option<()> { unimplemented!() } -struct A; +pub struct A; impl A { // should not be linted diff --git a/src/tools/clippy/tests/ui/unseparated_prefix_literals.fixed b/src/tools/clippy/tests/ui/unseparated_prefix_literals.fixed index 3c422cc4fee..f0c2ba7ccdf 100644 --- a/src/tools/clippy/tests/ui/unseparated_prefix_literals.fixed +++ b/src/tools/clippy/tests/ui/unseparated_prefix_literals.fixed @@ -1,10 +1,11 @@ // run-rustfix +// aux-build:proc_macro_derive.rs #![warn(clippy::unseparated_literal_suffix)] #![allow(dead_code)] #[macro_use] -extern crate clippy_mini_macro_test; +extern crate proc_macro_derive; // Test for proc-macro attribute #[derive(ClippyMiniMacroTest)] diff --git a/src/tools/clippy/tests/ui/unseparated_prefix_literals.rs b/src/tools/clippy/tests/ui/unseparated_prefix_literals.rs index 09608661e0e..f44880b4147 100644 --- a/src/tools/clippy/tests/ui/unseparated_prefix_literals.rs +++ b/src/tools/clippy/tests/ui/unseparated_prefix_literals.rs @@ -1,10 +1,11 @@ // run-rustfix +// aux-build:proc_macro_derive.rs #![warn(clippy::unseparated_literal_suffix)] #![allow(dead_code)] #[macro_use] -extern crate clippy_mini_macro_test; +extern crate proc_macro_derive; // Test for proc-macro attribute #[derive(ClippyMiniMacroTest)] diff --git a/src/tools/clippy/tests/ui/unseparated_prefix_literals.stderr b/src/tools/clippy/tests/ui/unseparated_prefix_literals.stderr index a0c0be7a9d1..ab2f75e0c56 100644 --- a/src/tools/clippy/tests/ui/unseparated_prefix_literals.stderr +++ b/src/tools/clippy/tests/ui/unseparated_prefix_literals.stderr @@ -1,5 +1,5 @@ error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:23:18 + --> $DIR/unseparated_prefix_literals.rs:24:18 | LL | let _fail1 = 1234i32; | ^^^^^^^ help: add an underscore: `1234_i32` @@ -7,43 +7,43 @@ LL | let _fail1 = 1234i32; = note: `-D clippy::unseparated-literal-suffix` implied by `-D warnings` error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:24:18 + --> $DIR/unseparated_prefix_literals.rs:25:18 | LL | let _fail2 = 1234u32; | ^^^^^^^ help: add an underscore: `1234_u32` error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:25:18 + --> $DIR/unseparated_prefix_literals.rs:26:18 | LL | let _fail3 = 1234isize; | ^^^^^^^^^ help: add an underscore: `1234_isize` error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:26:18 + --> $DIR/unseparated_prefix_literals.rs:27:18 | LL | let _fail4 = 1234usize; | ^^^^^^^^^ help: add an underscore: `1234_usize` error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:27:18 + --> $DIR/unseparated_prefix_literals.rs:28:18 | LL | let _fail5 = 0x123isize; | ^^^^^^^^^^ help: add an underscore: `0x123_isize` error: float type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:31:19 + --> $DIR/unseparated_prefix_literals.rs:32:19 | LL | let _failf1 = 1.5f32; | ^^^^^^ help: add an underscore: `1.5_f32` error: float type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:32:19 + --> $DIR/unseparated_prefix_literals.rs:33:19 | LL | let _failf2 = 1f32; | ^^^^ help: add an underscore: `1_f32` error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:15:9 + --> $DIR/unseparated_prefix_literals.rs:16:9 | LL | 42usize | ^^^^^^^ help: add an underscore: `42_usize` @@ -54,7 +54,7 @@ LL | let _ = lit_from_macro!(); = note: this error originates in the macro `lit_from_macro` (in Nightly builds, run with -Z macro-backtrace for more info) error: integer type suffix should be separated by an underscore - --> $DIR/unseparated_prefix_literals.rs:40:16 + --> $DIR/unseparated_prefix_literals.rs:41:16 | LL | assert_eq!(4897u32, 32223); | ^^^^^^^ help: add an underscore: `4897_u32` diff --git a/src/tools/clippy/tests/ui/wrong_self_convention.rs b/src/tools/clippy/tests/ui/wrong_self_convention.rs index cdfbdb8b0db..151dd0c27d5 100644 --- a/src/tools/clippy/tests/ui/wrong_self_convention.rs +++ b/src/tools/clippy/tests/ui/wrong_self_convention.rs @@ -1,6 +1,5 @@ // edition:2018 #![warn(clippy::wrong_self_convention)] -#![warn(clippy::wrong_pub_self_convention)] #![allow(dead_code)] fn main() {} diff --git a/src/tools/clippy/tests/ui/wrong_self_convention.stderr b/src/tools/clippy/tests/ui/wrong_self_convention.stderr index 29f5ba82695..ce23317abf6 100644 --- a/src/tools/clippy/tests/ui/wrong_self_convention.stderr +++ b/src/tools/clippy/tests/ui/wrong_self_convention.stderr @@ -1,5 +1,5 @@ error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:18:17 + --> $DIR/wrong_self_convention.rs:17:17 | LL | fn from_i32(self) {} | ^^^^ @@ -8,7 +8,7 @@ LL | fn from_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:24:21 + --> $DIR/wrong_self_convention.rs:23:21 | LL | pub fn from_i64(self) {} | ^^^^ @@ -16,7 +16,7 @@ LL | pub fn from_i64(self) {} = help: consider choosing a less ambiguous name error: methods called `as_*` usually take `self` by reference or `self` by mutable reference - --> $DIR/wrong_self_convention.rs:36:15 + --> $DIR/wrong_self_convention.rs:35:15 | LL | fn as_i32(self) {} | ^^^^ @@ -24,7 +24,7 @@ LL | fn as_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `into_*` usually take `self` by value - --> $DIR/wrong_self_convention.rs:38:17 + --> $DIR/wrong_self_convention.rs:37:17 | LL | fn into_i32(&self) {} | ^^^^^ @@ -32,7 +32,7 @@ LL | fn into_i32(&self) {} = help: consider choosing a less ambiguous name error: methods called `is_*` usually take `self` by reference or no `self` - --> $DIR/wrong_self_convention.rs:40:15 + --> $DIR/wrong_self_convention.rs:39:15 | LL | fn is_i32(self) {} | ^^^^ @@ -40,7 +40,7 @@ LL | fn is_i32(self) {} = help: consider choosing a less ambiguous name error: methods with the following characteristics: (`to_*` and `self` type is not `Copy`) usually take `self` by reference - --> $DIR/wrong_self_convention.rs:42:15 + --> $DIR/wrong_self_convention.rs:41:15 | LL | fn to_i32(self) {} | ^^^^ @@ -48,7 +48,7 @@ LL | fn to_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:44:17 + --> $DIR/wrong_self_convention.rs:43:17 | LL | fn from_i32(self) {} | ^^^^ @@ -56,7 +56,7 @@ LL | fn from_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `as_*` usually take `self` by reference or `self` by mutable reference - --> $DIR/wrong_self_convention.rs:46:19 + --> $DIR/wrong_self_convention.rs:45:19 | LL | pub fn as_i64(self) {} | ^^^^ @@ -64,7 +64,7 @@ LL | pub fn as_i64(self) {} = help: consider choosing a less ambiguous name error: methods called `into_*` usually take `self` by value - --> $DIR/wrong_self_convention.rs:47:21 + --> $DIR/wrong_self_convention.rs:46:21 | LL | pub fn into_i64(&self) {} | ^^^^^ @@ -72,7 +72,7 @@ LL | pub fn into_i64(&self) {} = help: consider choosing a less ambiguous name error: methods called `is_*` usually take `self` by reference or no `self` - --> $DIR/wrong_self_convention.rs:48:19 + --> $DIR/wrong_self_convention.rs:47:19 | LL | pub fn is_i64(self) {} | ^^^^ @@ -80,7 +80,7 @@ LL | pub fn is_i64(self) {} = help: consider choosing a less ambiguous name error: methods with the following characteristics: (`to_*` and `self` type is not `Copy`) usually take `self` by reference - --> $DIR/wrong_self_convention.rs:49:19 + --> $DIR/wrong_self_convention.rs:48:19 | LL | pub fn to_i64(self) {} | ^^^^ @@ -88,7 +88,7 @@ LL | pub fn to_i64(self) {} = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:50:21 + --> $DIR/wrong_self_convention.rs:49:21 | LL | pub fn from_i64(self) {} | ^^^^ @@ -96,7 +96,7 @@ LL | pub fn from_i64(self) {} = help: consider choosing a less ambiguous name error: methods called `as_*` usually take `self` by reference or `self` by mutable reference - --> $DIR/wrong_self_convention.rs:95:19 + --> $DIR/wrong_self_convention.rs:94:19 | LL | fn as_i32(self) {} | ^^^^ @@ -104,7 +104,7 @@ LL | fn as_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `into_*` usually take `self` by value - --> $DIR/wrong_self_convention.rs:98:25 + --> $DIR/wrong_self_convention.rs:97:25 | LL | fn into_i32_ref(&self) {} | ^^^^^ @@ -112,7 +112,7 @@ LL | fn into_i32_ref(&self) {} = help: consider choosing a less ambiguous name error: methods called `is_*` usually take `self` by reference or no `self` - --> $DIR/wrong_self_convention.rs:100:19 + --> $DIR/wrong_self_convention.rs:99:19 | LL | fn is_i32(self) {} | ^^^^ @@ -120,7 +120,7 @@ LL | fn is_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:104:21 + --> $DIR/wrong_self_convention.rs:103:21 | LL | fn from_i32(self) {} | ^^^^ @@ -128,7 +128,7 @@ LL | fn from_i32(self) {} = help: consider choosing a less ambiguous name error: methods called `as_*` usually take `self` by reference or `self` by mutable reference - --> $DIR/wrong_self_convention.rs:119:19 + --> $DIR/wrong_self_convention.rs:118:19 | LL | fn as_i32(self); | ^^^^ @@ -136,7 +136,7 @@ LL | fn as_i32(self); = help: consider choosing a less ambiguous name error: methods called `into_*` usually take `self` by value - --> $DIR/wrong_self_convention.rs:122:25 + --> $DIR/wrong_self_convention.rs:121:25 | LL | fn into_i32_ref(&self); | ^^^^^ @@ -144,7 +144,7 @@ LL | fn into_i32_ref(&self); = help: consider choosing a less ambiguous name error: methods called `is_*` usually take `self` by reference or no `self` - --> $DIR/wrong_self_convention.rs:124:19 + --> $DIR/wrong_self_convention.rs:123:19 | LL | fn is_i32(self); | ^^^^ @@ -152,7 +152,7 @@ LL | fn is_i32(self); = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:128:21 + --> $DIR/wrong_self_convention.rs:127:21 | LL | fn from_i32(self); | ^^^^ @@ -160,7 +160,7 @@ LL | fn from_i32(self); = help: consider choosing a less ambiguous name error: methods called `into_*` usually take `self` by value - --> $DIR/wrong_self_convention.rs:146:25 + --> $DIR/wrong_self_convention.rs:145:25 | LL | fn into_i32_ref(&self); | ^^^^^ @@ -168,7 +168,7 @@ LL | fn into_i32_ref(&self); = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention.rs:152:21 + --> $DIR/wrong_self_convention.rs:151:21 | LL | fn from_i32(self); | ^^^^ @@ -176,7 +176,7 @@ LL | fn from_i32(self); = help: consider choosing a less ambiguous name error: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value - --> $DIR/wrong_self_convention.rs:176:22 + --> $DIR/wrong_self_convention.rs:175:22 | LL | fn to_u64_v2(&self) -> u64 { | ^^^^^ @@ -184,7 +184,7 @@ LL | fn to_u64_v2(&self) -> u64 { = help: consider choosing a less ambiguous name error: methods with the following characteristics: (`to_*` and `self` type is not `Copy`) usually take `self` by reference - --> $DIR/wrong_self_convention.rs:185:19 + --> $DIR/wrong_self_convention.rs:184:19 | LL | fn to_u64(self) -> u64 { | ^^^^ diff --git a/src/tools/clippy/tests/ui/wrong_self_convention2.rs b/src/tools/clippy/tests/ui/wrong_self_convention2.rs index 3a72174d03d..501bc1e6a85 100644 --- a/src/tools/clippy/tests/ui/wrong_self_convention2.rs +++ b/src/tools/clippy/tests/ui/wrong_self_convention2.rs @@ -1,6 +1,5 @@ // edition:2018 #![warn(clippy::wrong_self_convention)] -#![warn(clippy::wrong_pub_self_convention)] #![allow(dead_code)] fn main() {} diff --git a/src/tools/clippy/tests/ui/wrong_self_convention2.stderr b/src/tools/clippy/tests/ui/wrong_self_convention2.stderr index d2d74ce099e..0e0d066d656 100644 --- a/src/tools/clippy/tests/ui/wrong_self_convention2.stderr +++ b/src/tools/clippy/tests/ui/wrong_self_convention2.stderr @@ -1,5 +1,5 @@ error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention2.rs:56:29 + --> $DIR/wrong_self_convention2.rs:55:29 | LL | pub fn from_be_self(self) -> Self { | ^^^^ @@ -8,7 +8,7 @@ LL | pub fn from_be_self(self) -> Self { = help: consider choosing a less ambiguous name error: methods called `from_*` usually take no `self` - --> $DIR/wrong_self_convention2.rs:65:25 + --> $DIR/wrong_self_convention2.rs:64:25 | LL | fn from_be_self(self) -> Self; | ^^^^ diff --git a/src/tools/clippy/util/cov.sh b/src/tools/clippy/util/cov.sh deleted file mode 100755 index 3f9a6b06f72..00000000000 --- a/src/tools/clippy/util/cov.sh +++ /dev/null @@ -1,37 +0,0 @@ -#!/usr/bin/bash - -# This run `kcov` on Clippy. The coverage report will be at -# `./target/cov/index.html`. -# `compile-test` is special. `kcov` does not work directly on it so these files -# are compiled manually. - -tests=$(find tests/ -maxdepth 1 -name '*.rs' ! -name compile-test.rs -exec basename {} .rs \;) -tmpdir=$(mktemp -d) - -cargo test --no-run --verbose - -for t in $tests; do - kcov \ - --verify \ - --include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \ - "$tmpdir/$t" \ - cargo test --test "$t" -done - -for t in ./tests/compile-fail/*.rs; do - kcov \ - --verify \ - --include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \ - "$tmpdir/compile-fail-$(basename "$t")" \ - cargo run -- -L target/debug -L target/debug/deps -Z no-trans "$t" -done - -for t in ./tests/run-pass/*.rs; do - kcov \ - --verify \ - --include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \ - "$tmpdir/run-pass-$(basename "$t")" \ - cargo run -- -L target/debug -L target/debug/deps -Z no-trans "$t" -done - -kcov --verify --merge target/cov "$tmpdir"/* diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index d53e19f2908..08ee8fc984d 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -664,6 +664,10 @@ fn make_test(config: &Config, testpaths: &TestPaths, inputs: &Stamp) -> Vec<test ignore, should_panic, allow_fail: false, + #[cfg(not(bootstrap))] + compile_fail: false, + #[cfg(not(bootstrap))] + no_run: false, test_type: test::TestType::Unknown, }, testfn: make_test_closure(config, testpaths, revision), diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 54b079a3e86..931c822ffe2 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -1835,6 +1835,7 @@ impl<'test> TestCx<'test> { || self.config.target.contains("nvptx") || self.is_vxworks_pure_static() || self.config.target.contains("sgx") + || self.config.target.contains("bpf") { // We primarily compile all auxiliary libraries as dynamic libraries // to avoid code size bloat and large binaries as much as possible @@ -2675,12 +2676,11 @@ impl<'test> TestCx<'test> { let mut tested = 0; for _ in res.stdout.split('\n').filter(|s| s.starts_with("test ")).inspect(|s| { - let tmp: Vec<&str> = s.split(" - ").collect(); - if tmp.len() == 2 { - let path = tmp[0].rsplit("test ").next().unwrap(); + if let Some((left, right)) = s.split_once(" - ") { + let path = left.rsplit("test ").next().unwrap(); if let Some(ref mut v) = files.get_mut(&path.replace('\\', "/")) { tested += 1; - let mut iter = tmp[1].split("(line "); + let mut iter = right.split("(line "); iter.next(); let line = iter .next() diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs index 7dbd70948b8..37164c4e575 100644 --- a/src/tools/compiletest/src/util.rs +++ b/src/tools/compiletest/src/util.rs @@ -48,6 +48,8 @@ const ARCH_TABLE: &[(&str, &str)] = &[ ("armv7s", "arm"), ("asmjs", "asmjs"), ("avr", "avr"), + ("bpfeb", "bpf"), + ("bpfel", "bpf"), ("hexagon", "hexagon"), ("i386", "x86"), ("i586", "x86"), diff --git a/src/tools/jsondocck/Cargo.toml b/src/tools/jsondocck/Cargo.toml index a6efc4c9a6b..b5f1554dbe4 100644 --- a/src/tools/jsondocck/Cargo.toml +++ b/src/tools/jsondocck/Cargo.toml @@ -8,8 +8,7 @@ edition = "2018" jsonpath_lib = "0.2" getopts = "0.2" regex = "1.4" -lazy_static = "1.4" -shlex = "0.1" -serde = "1.0" +shlex = "1.0" serde_json = "1.0" fs-err = "2.5.0" +once_cell = "1.0" diff --git a/src/tools/jsondocck/src/main.rs b/src/tools/jsondocck/src/main.rs index 216890d59ad..b8ea10f3d22 100644 --- a/src/tools/jsondocck/src/main.rs +++ b/src/tools/jsondocck/src/main.rs @@ -1,5 +1,5 @@ use jsonpath_lib::select; -use lazy_static::lazy_static; +use once_cell::sync::Lazy; use regex::{Regex, RegexBuilder}; use serde_json::Value; use std::borrow::Cow; @@ -94,19 +94,19 @@ impl fmt::Display for CommandKind { } } -lazy_static! { - static ref LINE_PATTERN: Regex = RegexBuilder::new( +static LINE_PATTERN: Lazy<Regex> = Lazy::new(|| { + RegexBuilder::new( r#" \s(?P<invalid>!?)@(?P<negated>!?) (?P<cmd>[A-Za-z]+(?:-[A-Za-z]+)*) (?P<args>.*)$ - "# + "#, ) .ignore_whitespace(true) .unicode(true) .build() - .unwrap(); -} + .unwrap() +}); fn print_err(msg: &str, lineno: usize) { eprintln!("Invalid command: {} on line {}", msg, lineno) diff --git a/src/tools/linkchecker/linkcheck.sh b/src/tools/linkchecker/linkcheck.sh index b68053c76be..9eeebf444a4 100755 --- a/src/tools/linkchecker/linkcheck.sh +++ b/src/tools/linkchecker/linkcheck.sh @@ -85,11 +85,11 @@ fi if [ ! -e "linkchecker/main.rs" ] || [ "$iterative" = "0" ] then echo "Downloading linkchecker source..." + nightly_hash=$(rustc +nightly -Vv | grep commit-hash | cut -f2 -d" ") + url="https://raw.githubusercontent.com/rust-lang/rust" mkdir linkchecker - curl -o linkchecker/Cargo.toml \ - https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/Cargo.toml - curl -o linkchecker/main.rs \ - https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/main.rs + curl -o linkchecker/Cargo.toml ${url}/${nightly_hash}/src/tools/linkchecker/Cargo.toml + curl -o linkchecker/main.rs ${url}/${nightly_hash}/src/tools/linkchecker/main.rs fi echo "Building book \"$book_name\"..." @@ -106,7 +106,7 @@ else check_path="linkcheck/$book_name" fi echo "Running linkchecker on \"$check_path\"..." -cargo run --manifest-path=linkchecker/Cargo.toml -- "$check_path" +cargo run --release --manifest-path=linkchecker/Cargo.toml -- "$check_path" if [ "$iterative" = "0" ] then diff --git a/src/tools/linkchecker/main.rs b/src/tools/linkchecker/main.rs index 076b3653583..47960c3f6cc 100644 --- a/src/tools/linkchecker/main.rs +++ b/src/tools/linkchecker/main.rs @@ -463,7 +463,7 @@ fn maybe_redirect(source: &str) -> Option<String> { const REDIRECT: &str = "<p>Redirecting to <a href="; let mut lines = source.lines(); - let redirect_line = lines.nth(6)?; + let redirect_line = lines.nth(7)?; redirect_line.find(REDIRECT).map(|i| { let rest = &redirect_line[(i + REDIRECT.len() + 1)..]; diff --git a/src/tools/miri b/src/tools/miri -Subproject 453affaaa1762a065d2857970b8333017211208 +Subproject c8713c2f9fc1e28c90876b9ec9557d8c5729757 diff --git a/src/tools/rls b/src/tools/rls -Subproject 9ed6f96f2ff85753c5a6ac290ee88ecb2831ab2 +Subproject 517e9d62c095a04fa497d6b6d3c63b31696a88b diff --git a/src/tools/rust-analyzer b/src/tools/rust-analyzer -Subproject f4383981249d3f2964f2c667f3349f8ff15b77c +Subproject 13da28cc2bc1b59f7af817eca36927a71edb023 diff --git a/src/tools/rustdoc-gui/tester.js b/src/tools/rustdoc-gui/tester.js index 298fc7519fa..c55e014e834 100644 --- a/src/tools/rustdoc-gui/tester.js +++ b/src/tools/rustdoc-gui/tester.js @@ -63,6 +63,13 @@ async function main(argv) { // This is more convenient that setting fields one by one. options.parseArguments([ "--no-screenshot", + // This option shows what puppeteer "code" is run + // "--debug", + // This option disable the headless mode, allowing you to see what's going on. + // "--no-headless", + // The text isn't rendered by default because of a lot of small differences + // between hosts. + // "--show-text", "--variable", "DOC_PATH", opts["doc_folder"], ]); } catch (error) { diff --git a/triagebot.toml b/triagebot.toml index 8b6157cd4aa..c97f63f1cfd 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -79,7 +79,7 @@ trigger_labels = [ "regression-from-stable-to-stable", "regression-from-stable-to-beta", "regression-from-stable-to-nightly", - "I-unsound 💥", + "I-unsound", ] exclude_labels = [ "P-*", |