diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml index 052c9ae72b8..c2c0c11f008 100644 --- a/.github/workflows/ghcr.yml +++ b/.github/workflows/ghcr.yml @@ -5,6 +5,9 @@ # Docker Hub has a rate limit, while ghcr.io doesn't. # Those images are pushed to ghcr.io by this job. # +# While Docker Hub rate limit *shouldn't* be an issue on GitHub Actions, +# it certainly is for AWS codebuild. +# # Note that authenticating to DockerHub or other registries isn't possible # for PR jobs, because forks can't access secrets. # That's why we use ghcr.io: it has no rate limit and it doesn't require authentication. @@ -54,6 +57,10 @@ jobs: "ubuntu:22.04" # Mirrored because used by all linux CI jobs, including mingw-check-tidy "moby/buildkit:buildx-stable-1" + # Mirrored because used when CI is running inside a Docker container + "alpine:3.4" + # Mirrored because used by dist-x86_64-linux + "centos:7" ) # Mirror each image from DockerHub to ghcr.io diff --git a/.github/workflows/post-merge.yml b/.github/workflows/post-merge.yml index de31c28cc90..94553608a2f 100644 --- a/.github/workflows/post-merge.yml +++ b/.github/workflows/post-merge.yml @@ -35,13 +35,12 @@ jobs: cd src/ci/citool - printf "*This is an experimental post-merge analysis report. You can ignore it.*\n\n" > output.log - printf "
\nPost-merge report\n\n" >> output.log + printf "
\nWhat is this?\n" >> output.log + printf "This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.\n" >> output.log + printf "
\n\n" >> output.log cargo run --release post-merge-report ${PARENT_COMMIT} ${{ github.sha }} >> output.log - printf "
\n" >> output.log - cat output.log gh pr comment ${HEAD_PR} -F output.log diff --git a/Cargo.lock b/Cargo.lock index 63a3f5dd037..e91116ade9e 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2082,13 +2082,6 @@ version = "0.7.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4ee93343901ab17bd981295f2cf0026d4ad018c7c31ba84549a4ddbb47a45104" -[[package]] -name = "literal-escaper" -version = "0.0.0" -dependencies = [ - "rustc-std-workspace-std 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "lld-wrapper" version = "0.1.0" @@ -3155,12 +3148,6 @@ version = "1.0.1" name = "rustc-std-workspace-std" version = "1.0.1" -[[package]] -name = "rustc-std-workspace-std" -version = "1.0.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aba676a20abe46e5b0f1b0deae474aaaf31407e6c71147159890574599da04ef" - [[package]] name = "rustc_abi" version = "0.0.0" @@ -3199,7 +3186,6 @@ name = "rustc_ast" version = "0.0.0" dependencies = [ "bitflags", - "literal-escaper", "memchr", "rustc_ast_ir", "rustc_data_structures", @@ -3909,7 +3895,6 @@ name = "rustc_lexer" version = "0.0.0" dependencies = [ "expect-test", - "literal-escaper", "memchr", "unicode-properties", "unicode-xid", @@ -4172,7 +4157,6 @@ name = "rustc_parse" version = "0.0.0" dependencies = [ "bitflags", - "literal-escaper", "rustc_ast", "rustc_ast_pretty", "rustc_data_structures", @@ -4195,7 +4179,6 @@ dependencies = [ name = "rustc_parse_format" version = "0.0.0" dependencies = [ - "literal-escaper", "rustc_index", "rustc_lexer", ] diff --git a/compiler/rustc_ast/Cargo.toml b/compiler/rustc_ast/Cargo.toml index 7f0db1560c1..902287d0328 100644 --- a/compiler/rustc_ast/Cargo.toml +++ b/compiler/rustc_ast/Cargo.toml @@ -6,7 +6,6 @@ edition = "2024" [dependencies] # tidy-alphabetical-start bitflags = "2.4.1" -literal-escaper = { path = "../../library/literal-escaper" } memchr = "2.7.4" rustc_ast_ir = { path = "../rustc_ast_ir" } rustc_data_structures = { path = "../rustc_data_structures" } diff --git a/compiler/rustc_ast/src/util/literal.rs b/compiler/rustc_ast/src/util/literal.rs index 121331ece6d..6896ac723fa 100644 --- a/compiler/rustc_ast/src/util/literal.rs +++ b/compiler/rustc_ast/src/util/literal.rs @@ -2,7 +2,7 @@ use std::{ascii, fmt, str}; -use literal_escaper::{ +use rustc_lexer::unescape::{ MixedUnit, Mode, byte_from_char, unescape_byte, unescape_char, unescape_mixed, unescape_unicode, }; use rustc_span::{Span, Symbol, kw, sym}; diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/covfun.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/covfun.rs index 80e54bf045e..5b487bc1a8b 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/covfun.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/covfun.rs @@ -105,9 +105,14 @@ fn fill_region_tables<'tcx>( ids_info: &'tcx CoverageIdsInfo, covfun: &mut CovfunRecord<'tcx>, ) { - // Currently a function's mappings must all be in the same file as its body span. + // Currently a function's mappings must all be in the same file, so use the + // first mapping's span to determine the file. let source_map = tcx.sess.source_map(); - let source_file = source_map.lookup_source_file(fn_cov_info.body_span.lo()); + let Some(first_span) = (try { fn_cov_info.mappings.first()?.span }) else { + debug_assert!(false, "function has no mappings: {:?}", covfun.mangled_function_name); + return; + }; + let source_file = source_map.lookup_source_file(first_span.lo()); // Look up the global file ID for that file. let global_file_id = global_file_table.global_file_id_for_file(&source_file); @@ -118,9 +123,8 @@ fn fill_region_tables<'tcx>( let ffi::Regions { code_regions, branch_regions, mcdc_branch_regions, mcdc_decision_regions } = &mut covfun.regions; - let make_cov_span = |span: Span| { - spans::make_coverage_span(local_file_id, source_map, fn_cov_info, &source_file, span) - }; + let make_cov_span = + |span: Span| spans::make_coverage_span(local_file_id, source_map, &source_file, span); let discard_all = tcx.sess.coverage_discard_all_spans_in_codegen(); // For each counter/region pair in this function+file, convert it to a diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/spans.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/spans.rs index 6d1d91340c2..3193be31ada 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/spans.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen/spans.rs @@ -1,4 +1,3 @@ -use rustc_middle::mir::coverage::FunctionCoverageInfo; use rustc_span::source_map::SourceMap; use rustc_span::{BytePos, Pos, SourceFile, Span}; use tracing::debug; @@ -19,11 +18,10 @@ use crate::coverageinfo::mapgen::LocalFileId; pub(crate) fn make_coverage_span( file_id: LocalFileId, source_map: &SourceMap, - fn_cov_info: &FunctionCoverageInfo, file: &SourceFile, span: Span, ) -> Option { - let span = ensure_non_empty_span(source_map, fn_cov_info, span)?; + let span = ensure_non_empty_span(source_map, span)?; let lo = span.lo(); let hi = span.hi(); @@ -55,36 +53,22 @@ pub(crate) fn make_coverage_span( }) } -fn ensure_non_empty_span( - source_map: &SourceMap, - fn_cov_info: &FunctionCoverageInfo, - span: Span, -) -> Option { +fn ensure_non_empty_span(source_map: &SourceMap, span: Span) -> Option { if !span.is_empty() { return Some(span); } - let lo = span.lo(); - let hi = span.hi(); - - // The span is empty, so try to expand it to cover an adjacent '{' or '}', - // but only within the bounds of the body span. - let try_next = hi < fn_cov_info.body_span.hi(); - let try_prev = fn_cov_info.body_span.lo() < lo; - if !(try_next || try_prev) { - return None; - } - + // The span is empty, so try to enlarge it to cover an adjacent '{' or '}'. source_map .span_to_source(span, |src, start, end| try { // Adjusting span endpoints by `BytePos(1)` is normally a bug, // but in this case we have specifically checked that the character // we're skipping over is one of two specific ASCII characters, so // adjusting by exactly 1 byte is correct. - if try_next && src.as_bytes()[end] == b'{' { - Some(span.with_hi(hi + BytePos(1))) - } else if try_prev && src.as_bytes()[start - 1] == b'}' { - Some(span.with_lo(lo - BytePos(1))) + if src.as_bytes().get(end).copied() == Some(b'{') { + Some(span.with_hi(span.hi() + BytePos(1))) + } else if start > 0 && src.as_bytes()[start - 1] == b'}' { + Some(span.with_lo(span.lo() - BytePos(1))) } else { None } diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 98d59f5a8ae..2eaaf127e41 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -2,6 +2,7 @@ use std::borrow::Cow; use std::fmt::{self, Write}; use std::hash::{Hash, Hasher}; use std::path::{Path, PathBuf}; +use std::sync::Arc; use std::{iter, ptr}; use libc::{c_char, c_longlong, c_uint}; @@ -38,8 +39,8 @@ use crate::debuginfo::metadata::type_map::build_type_with_children; use crate::debuginfo::utils::{WidePtrKind, wide_pointer_kind}; use crate::llvm; use crate::llvm::debuginfo::{ - DIDescriptor, DIFile, DIFlags, DILexicalBlock, DIScope, DIType, DebugEmissionKind, - DebugNameTableKind, + DIBasicType, DIBuilder, DICompositeType, DIDescriptor, DIFile, DIFlags, DILexicalBlock, + DIScope, DIType, DebugEmissionKind, DebugNameTableKind, }; use crate::value::Value; @@ -68,7 +69,8 @@ pub(super) const UNKNOWN_COLUMN_NUMBER: c_uint = 0; const NO_SCOPE_METADATA: Option<&DIScope> = None; /// A function that returns an empty list of generic parameter debuginfo nodes. -const NO_GENERICS: for<'ll> fn(&CodegenCx<'ll, '_>) -> SmallVec<&'ll DIType> = |_| SmallVec::new(); +const NO_GENERICS: for<'ll> fn(&CodegenCx<'ll, '_>) -> SmallVec> = + |_| SmallVec::new(); // SmallVec is used quite a bit in this module, so create a shorthand. // The actual number of elements is not so important. @@ -243,7 +245,7 @@ fn build_pointer_or_reference_di_node<'ll, 'tcx>( cx, owner, addr_field_name, - (addr_field.size, addr_field.align.abi), + addr_field, layout.fields.offset(WIDE_PTR_ADDR), DIFlags::FlagZero, data_ptr_type_di_node, @@ -253,7 +255,7 @@ fn build_pointer_or_reference_di_node<'ll, 'tcx>( cx, owner, extra_field_name, - (extra_field.size, extra_field.align.abi), + extra_field, layout.fields.offset(WIDE_PTR_EXTRA), DIFlags::FlagZero, type_di_node(cx, extra_field.ty), @@ -311,12 +313,7 @@ fn build_subroutine_type_di_node<'ll, 'tcx>( debug_context(cx).type_map.unique_id_to_di_node.borrow_mut().remove(&unique_type_id); - let fn_di_node = unsafe { - llvm::LLVMRustDIBuilderCreateSubroutineType( - DIB(cx), - create_DIArray(DIB(cx), &signature_di_nodes[..]), - ) - }; + let fn_di_node = create_subroutine_type(cx, create_DIArray(DIB(cx), &signature_di_nodes[..])); // This is actually a function pointer, so wrap it in pointer DI. let name = compute_debuginfo_type_name(cx.tcx, fn_ty, false); @@ -340,6 +337,13 @@ fn build_subroutine_type_di_node<'ll, 'tcx>( DINodeCreationResult::new(di_node, false) } +pub(super) fn create_subroutine_type<'ll>( + cx: &CodegenCx<'ll, '_>, + signature: &'ll DICompositeType, +) -> &'ll DICompositeType { + unsafe { llvm::LLVMRustDIBuilderCreateSubroutineType(DIB(cx), signature) } +} + /// Create debuginfo for `dyn SomeTrait` types. Currently these are empty structs /// we with the correct type name (e.g. "dyn SomeTrait + Sync"). fn build_dyn_type_di_node<'ll, 'tcx>( @@ -487,26 +491,22 @@ pub(crate) fn type_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>) -> // FIXME(mw): Cache this via a regular UniqueTypeId instead of an extra field in the debug context. fn recursion_marker_type_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) -> &'ll DIType { *debug_context(cx).recursion_marker_type.get_or_init(move || { - unsafe { - // The choice of type here is pretty arbitrary - - // anything reading the debuginfo for a recursive - // type is going to see *something* weird - the only - // question is what exactly it will see. - // - // FIXME: the name `` does not fit the naming scheme - // of other types. - // - // FIXME: it might make sense to use an actual pointer type here - // so that debuggers can show the address. - let name = ""; - llvm::LLVMRustDIBuilderCreateBasicType( - DIB(cx), - name.as_c_char_ptr(), - name.len(), - cx.tcx.data_layout.pointer_size.bits(), - dwarf_const::DW_ATE_unsigned, - ) - } + // The choice of type here is pretty arbitrary - + // anything reading the debuginfo for a recursive + // type is going to see *something* weird - the only + // question is what exactly it will see. + // + // FIXME: the name `` does not fit the naming scheme + // of other types. + // + // FIXME: it might make sense to use an actual pointer type here + // so that debuggers can show the address. + create_basic_type( + cx, + "", + cx.tcx.data_layout.pointer_size, + dwarf_const::DW_ATE_unsigned, + ) }) } @@ -620,42 +620,38 @@ pub(crate) fn file_metadata<'ll>(cx: &CodegenCx<'ll, '_>, source_file: &SourceFi let source = cx.sess().opts.unstable_opts.embed_source.then_some(()).and(source_file.src.as_ref()); - unsafe { - llvm::LLVMRustDIBuilderCreateFile( - DIB(cx), - file_name.as_c_char_ptr(), - file_name.len(), - directory.as_c_char_ptr(), - directory.len(), - hash_kind, - hash_value.as_c_char_ptr(), - hash_value.len(), - source.map_or(ptr::null(), |x| x.as_c_char_ptr()), - source.map_or(0, |x| x.len()), - ) - } + create_file(DIB(cx), &file_name, &directory, &hash_value, hash_kind, source) } } fn unknown_file_metadata<'ll>(cx: &CodegenCx<'ll, '_>) -> &'ll DIFile { - debug_context(cx).created_files.borrow_mut().entry(None).or_insert_with(|| unsafe { - let file_name = ""; - let directory = ""; - let hash_value = ""; + debug_context(cx).created_files.borrow_mut().entry(None).or_insert_with(|| { + create_file(DIB(cx), "", "", "", llvm::ChecksumKind::None, None) + }) +} +fn create_file<'ll>( + builder: &DIBuilder<'ll>, + file_name: &str, + directory: &str, + hash_value: &str, + hash_kind: llvm::ChecksumKind, + source: Option<&Arc>, +) -> &'ll DIFile { + unsafe { llvm::LLVMRustDIBuilderCreateFile( - DIB(cx), + builder, file_name.as_c_char_ptr(), file_name.len(), directory.as_c_char_ptr(), directory.len(), - llvm::ChecksumKind::None, + hash_kind, hash_value.as_c_char_ptr(), hash_value.len(), - ptr::null(), - 0, + source.map_or(ptr::null(), |x| x.as_c_char_ptr()), + source.map_or(0, |x| x.len()), ) - }) + } } trait MsvcBasicName { @@ -742,7 +738,7 @@ fn build_cpp_f16_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) -> DINodeCreation cx, float_di_node, "bits", - cx.size_and_align_of(bits_ty), + cx.layout_of(bits_ty), Size::ZERO, DIFlags::FlagZero, type_di_node(cx, bits_ty), @@ -788,15 +784,7 @@ fn build_basic_type_di_node<'ll, 'tcx>( _ => bug!("debuginfo::build_basic_type_di_node - `t` is invalid type"), }; - let ty_di_node = unsafe { - llvm::LLVMRustDIBuilderCreateBasicType( - DIB(cx), - name.as_c_char_ptr(), - name.len(), - cx.size_of(t).bits(), - encoding, - ) - }; + let ty_di_node = create_basic_type(cx, name, cx.size_of(t), encoding); if !cpp_like_debuginfo { return DINodeCreationResult::new(ty_di_node, false); @@ -824,6 +812,23 @@ fn build_basic_type_di_node<'ll, 'tcx>( DINodeCreationResult::new(typedef_di_node, false) } +fn create_basic_type<'ll, 'tcx>( + cx: &CodegenCx<'ll, 'tcx>, + name: &str, + size: Size, + encoding: u32, +) -> &'ll DIBasicType { + unsafe { + llvm::LLVMRustDIBuilderCreateBasicType( + DIB(cx), + name.as_c_char_ptr(), + name.len(), + size.bits(), + encoding, + ) + } +} + fn build_foreign_type_di_node<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>, @@ -929,17 +934,13 @@ pub(crate) fn build_compile_unit_di_node<'ll, 'tcx>( }; unsafe { - let compile_unit_file = llvm::LLVMRustDIBuilderCreateFile( + let compile_unit_file = create_file( debug_context.builder.as_ref(), - name_in_debuginfo.as_c_char_ptr(), - name_in_debuginfo.len(), - work_dir.as_c_char_ptr(), - work_dir.len(), + &name_in_debuginfo, + &work_dir, + "", llvm::ChecksumKind::None, - ptr::null(), - 0, - ptr::null(), - 0, + None, ); let unit_metadata = llvm::LLVMRustDIBuilderCreateCompileUnit( @@ -971,7 +972,7 @@ fn build_field_di_node<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, owner: &'ll DIScope, name: &str, - size_and_align: (Size, Align), + layout: TyAndLayout<'tcx>, offset: Size, flags: DIFlags, type_di_node: &'ll DIType, @@ -983,6 +984,30 @@ fn build_field_di_node<'ll, 'tcx>( } else { (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER) }; + create_member_type( + cx, + owner, + name, + file_metadata, + line_number, + layout, + offset, + flags, + type_di_node, + ) +} + +fn create_member_type<'ll, 'tcx>( + cx: &CodegenCx<'ll, 'tcx>, + owner: &'ll DIScope, + name: &str, + file_metadata: &'ll DIType, + line_number: u32, + layout: TyAndLayout<'tcx>, + offset: Size, + flags: DIFlags, + type_di_node: &'ll DIType, +) -> &'ll DIType { unsafe { llvm::LLVMRustDIBuilderCreateMemberType( DIB(cx), @@ -991,8 +1016,8 @@ fn build_field_di_node<'ll, 'tcx>( name.len(), file_metadata, line_number, - size_and_align.0.bits(), - size_and_align.1.bits() as u32, + layout.size.bits(), + layout.align.abi.bits() as u32, offset.bits(), flags, type_di_node, @@ -1076,7 +1101,7 @@ fn build_struct_type_di_node<'ll, 'tcx>( cx, owner, &field_name[..], - (field_layout.size, field_layout.align.abi), + field_layout, struct_type_and_layout.fields.offset(i), visibility_di_flags(cx, f.did, adt_def.did()), type_di_node(cx, field_layout.ty), @@ -1126,7 +1151,7 @@ fn build_upvar_field_di_nodes<'ll, 'tcx>( cx, closure_or_coroutine_di_node, capture_name.as_str(), - cx.size_and_align_of(up_var_ty), + cx.layout_of(up_var_ty), layout.fields.offset(index), DIFlags::FlagZero, type_di_node(cx, up_var_ty), @@ -1171,7 +1196,7 @@ fn build_tuple_type_di_node<'ll, 'tcx>( cx, tuple_di_node, &tuple_field_name(index), - cx.size_and_align_of(component_type), + cx.layout_of(component_type), tuple_type_and_layout.fields.offset(index), DIFlags::FlagZero, type_di_node(cx, component_type), @@ -1269,7 +1294,7 @@ fn build_union_type_di_node<'ll, 'tcx>( cx, owner, f.name.as_str(), - size_and_align_of(field_layout), + field_layout, Size::ZERO, DIFlags::FlagZero, type_di_node(cx, field_layout.ty), @@ -1287,32 +1312,33 @@ fn build_union_type_di_node<'ll, 'tcx>( fn build_generic_type_param_di_nodes<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, -) -> SmallVec<&'ll DIType> { +) -> SmallVec> { if let ty::Adt(def, args) = *ty.kind() { - if args.types().next().is_some() { - let generics = cx.tcx.generics_of(def.did()); - let names = get_parameter_names(cx, generics); - let template_params: SmallVec<_> = iter::zip(args, names) - .filter_map(|(kind, name)| { - kind.as_type().map(|ty| { - let actual_type = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty); - let actual_type_di_node = type_di_node(cx, actual_type); - let name = name.as_str(); - unsafe { - llvm::LLVMRustDIBuilderCreateTemplateTypeParameter( - DIB(cx), - None, - name.as_c_char_ptr(), - name.len(), - actual_type_di_node, - ) - } - }) - }) - .collect(); + let generics = cx.tcx.generics_of(def.did()); + return get_template_parameters(cx, generics, args); + } - return template_params; - } + return smallvec![]; +} + +pub(super) fn get_template_parameters<'ll, 'tcx>( + cx: &CodegenCx<'ll, 'tcx>, + generics: &ty::Generics, + args: ty::GenericArgsRef<'tcx>, +) -> SmallVec> { + if args.types().next().is_some() { + let names = get_parameter_names(cx, generics); + let template_params: SmallVec<_> = iter::zip(args, names) + .filter_map(|(kind, name)| { + kind.as_type().map(|ty| { + let actual_type = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty); + let actual_type_di_node = type_di_node(cx, actual_type); + Some(cx.create_template_type_parameter(name.as_str(), actual_type_di_node)) + }) + }) + .collect(); + + return template_params; } return smallvec![]; @@ -1416,7 +1442,9 @@ fn build_vtable_type_di_node<'ll, 'tcx>( let void_pointer_ty = Ty::new_imm_ptr(tcx, tcx.types.unit); let void_pointer_type_di_node = type_di_node(cx, void_pointer_ty); let usize_di_node = type_di_node(cx, tcx.types.usize); - let (pointer_size, pointer_align) = cx.size_and_align_of(void_pointer_ty); + let pointer_layout = cx.layout_of(void_pointer_ty); + let pointer_size = pointer_layout.size; + let pointer_align = pointer_layout.align.abi; // If `usize` is not pointer-sized and -aligned then the size and alignment computations // for the vtable as a whole would be wrong. Let's make sure this holds even on weird // platforms. @@ -1472,7 +1500,7 @@ fn build_vtable_type_di_node<'ll, 'tcx>( cx, vtable_type_di_node, &field_name, - (pointer_size, pointer_align), + pointer_layout, field_offset, DIFlags::FlagZero, field_type_di_node, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs index a72e205c9b2..07075be55fa 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs @@ -17,8 +17,8 @@ use crate::debuginfo::metadata::enums::DiscrResult; use crate::debuginfo::metadata::type_map::{self, Stub, UniqueTypeId}; use crate::debuginfo::metadata::{ DINodeCreationResult, NO_GENERICS, NO_SCOPE_METADATA, SmallVec, UNKNOWN_LINE_NUMBER, - build_field_di_node, file_metadata, file_metadata_from_def_id, size_and_align_of, type_di_node, - unknown_file_metadata, visibility_di_flags, + build_field_di_node, create_member_type, file_metadata, file_metadata_from_def_id, + size_and_align_of, type_di_node, unknown_file_metadata, visibility_di_flags, }; use crate::debuginfo::utils::DIB; use crate::llvm::debuginfo::{DIFile, DIFlags, DIType}; @@ -370,9 +370,9 @@ fn build_single_variant_union_fields<'ll, 'tcx>( cx, enum_type_di_node, &variant_union_field_name(variant_index), - // NOTE: We use the size and align of the entire type, not from variant_layout + // NOTE: We use the layout of the entire type, not from variant_layout // since the later is sometimes smaller (if it has fewer fields). - size_and_align_of(enum_type_and_layout), + enum_type_and_layout, Size::ZERO, visibility_flags, variant_struct_type_wrapper_di_node, @@ -560,7 +560,7 @@ fn build_variant_struct_wrapper_type_di_node<'ll, 'tcx>( cx, wrapper_struct_type_di_node, "value", - size_and_align_of(enum_or_coroutine_type_and_layout), + enum_or_coroutine_type_and_layout, Size::ZERO, DIFlags::FlagZero, variant_struct_type_di_node, @@ -820,7 +820,6 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( .unwrap_or_else(|| (unknown_file_metadata(cx), UNKNOWN_LINE_NUMBER)); let field_name = variant_union_field_name(variant_member_info.variant_index); - let (size, align) = size_and_align_of(enum_type_and_layout); let variant_struct_type_wrapper = build_variant_struct_wrapper_type_di_node( cx, @@ -840,27 +839,23 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( }, ); - // We use LLVMRustDIBuilderCreateMemberType() member type directly because + // We use create_member_type() member type directly because // the build_field_di_node() function does not support specifying a source location, // which is something that we don't do anywhere else. - unsafe { - llvm::LLVMRustDIBuilderCreateMemberType( - DIB(cx), - enum_type_di_node, - field_name.as_c_char_ptr(), - field_name.len(), - file_di_node, - line_number, - // NOTE: We use the size and align of the entire type, not from variant_layout - // since the later is sometimes smaller (if it has fewer fields). - size.bits(), - align.bits() as u32, - // Union fields are always at offset zero - Size::ZERO.bits(), - di_flags, - variant_struct_type_wrapper, - ) - } + create_member_type( + cx, + enum_type_di_node, + &field_name, + file_di_node, + line_number, + // NOTE: We use the layout of the entire type, not from variant_layout + // since the later is sometimes smaller (if it has fewer fields). + enum_type_and_layout, + // Union fields are always at offset zero + Size::ZERO, + di_flags, + variant_struct_type_wrapper, + ) })); assert_eq!( @@ -874,7 +869,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( if is_128_bits { let type_di_node = type_di_node(cx, cx.tcx.types.u64); - let size_and_align = cx.size_and_align_of(cx.tcx.types.u64); + let u64_layout = cx.layout_of(cx.tcx.types.u64); let (lo_offset, hi_offset) = match cx.tcx.data_layout.endian { Endian::Little => (0, 8), @@ -889,7 +884,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( cx, enum_type_di_node, TAG_FIELD_NAME_128_LO, - size_and_align, + u64_layout, lo_offset, di_flags, type_di_node, @@ -900,7 +895,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( cx, enum_type_di_node, TAG_FIELD_NAME_128_HI, - size_and_align, + u64_layout, hi_offset, DIFlags::FlagZero, type_di_node, @@ -911,7 +906,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( cx, enum_type_di_node, TAG_FIELD_NAME, - cx.size_and_align_of(enum_type_and_layout.field(cx, tag_field).ty), + enum_type_and_layout.field(cx, tag_field), enum_type_and_layout.fields.offset(tag_field), di_flags, tag_base_type_di_node, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs index 9f6a5cc89e0..6792c307fdc 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs @@ -249,7 +249,7 @@ fn build_enum_variant_struct_type_di_node<'ll, 'tcx>( cx, struct_type_di_node, &field_name, - (field_layout.size, field_layout.align.abi), + field_layout, variant_layout.fields.offset(field_index), di_flags, type_di_node(cx, field_layout.ty), @@ -332,7 +332,7 @@ fn build_coroutine_variant_struct_type_di_node<'ll, 'tcx>( cx, variant_struct_type_di_node, &field_name, - cx.size_and_align_of(field_type), + cx.layout_of(field_type), variant_layout.fields.offset(field_index), DIFlags::FlagZero, type_di_node(cx, field_type), @@ -352,7 +352,7 @@ fn build_coroutine_variant_struct_type_di_node<'ll, 'tcx>( cx, variant_struct_type_di_node, upvar_name.as_str(), - cx.size_and_align_of(upvar_ty), + cx.layout_of(upvar_ty), coroutine_type_and_layout.fields.offset(index), DIFlags::FlagZero, type_di_node(cx, upvar_ty), @@ -363,6 +363,7 @@ fn build_coroutine_variant_struct_type_di_node<'ll, 'tcx>( state_specific_fields.into_iter().chain(common_fields).collect() }, + // FIXME: this is a no-op. `build_generic_type_param_di_nodes` only works for Adts. |cx| build_generic_type_param_di_nodes(cx, coroutine_type_and_layout.ty), ) .di_node diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs index 187d97c54c8..bfd131cfd3d 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs @@ -13,9 +13,9 @@ use smallvec::smallvec; use crate::common::{AsCCharPtr, CodegenCx}; use crate::debuginfo::metadata::type_map::{self, Stub, StubInfo, UniqueTypeId}; use crate::debuginfo::metadata::{ - DINodeCreationResult, NO_GENERICS, SmallVec, UNKNOWN_LINE_NUMBER, file_metadata, - file_metadata_from_def_id, size_and_align_of, type_di_node, unknown_file_metadata, - visibility_di_flags, + DINodeCreationResult, NO_GENERICS, SmallVec, UNKNOWN_LINE_NUMBER, create_member_type, + file_metadata, file_metadata_from_def_id, size_and_align_of, type_di_node, + unknown_file_metadata, visibility_di_flags, }; use crate::debuginfo::utils::{DIB, create_DIArray, get_namespace_for_item}; use crate::llvm::debuginfo::{DIFile, DIFlags, DIType}; @@ -363,23 +363,22 @@ fn build_discr_member_di_node<'ll, 'tcx>( &Variants::Multiple { tag_field, .. } => { let tag_base_type = tag_base_type(cx.tcx, enum_or_coroutine_type_and_layout); - let (size, align) = cx.size_and_align_of(tag_base_type); + let ty = type_di_node(cx, tag_base_type); + let file = unknown_file_metadata(cx); - unsafe { - Some(llvm::LLVMRustDIBuilderCreateMemberType( - DIB(cx), - containing_scope, - tag_name.as_c_char_ptr(), - tag_name.len(), - unknown_file_metadata(cx), - UNKNOWN_LINE_NUMBER, - size.bits(), - align.bits() as u32, - enum_or_coroutine_type_and_layout.fields.offset(tag_field).bits(), - DIFlags::FlagArtificial, - type_di_node(cx, tag_base_type), - )) - } + let layout = cx.layout_of(tag_base_type); + + Some(create_member_type( + cx, + containing_scope, + &tag_name, + file, + UNKNOWN_LINE_NUMBER, + layout, + enum_or_coroutine_type_and_layout.fields.offset(tag_field), + DIFlags::FlagArtificial, + ty, + )) } } } diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs index af1d503ad6a..ae2ab32ef53 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs @@ -257,7 +257,7 @@ pub(super) fn build_type_with_children<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, stub_info: StubInfo<'ll, 'tcx>, members: impl FnOnce(&CodegenCx<'ll, 'tcx>, &'ll DIType) -> SmallVec<&'ll DIType>, - generics: impl FnOnce(&CodegenCx<'ll, 'tcx>) -> SmallVec<&'ll DIType>, + generics: impl FnOnce(&CodegenCx<'ll, 'tcx>) -> SmallVec>, ) -> DINodeCreationResult<'ll> { assert_eq!(debug_context(cx).type_map.di_node_for_unique_id(stub_info.unique_type_id), None); @@ -265,8 +265,7 @@ pub(super) fn build_type_with_children<'ll, 'tcx>( let members: SmallVec<_> = members(cx, stub_info.metadata).into_iter().map(|node| Some(node)).collect(); - let generics: SmallVec> = - generics(cx).into_iter().map(|node| Some(node)).collect(); + let generics = generics(cx); if !(members.is_empty() && generics.is_empty()) { unsafe { diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 10819a53b1d..ae7d080db66 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -2,10 +2,11 @@ use std::cell::{OnceCell, RefCell}; use std::ops::Range; +use std::ptr; use std::sync::Arc; -use std::{iter, ptr}; use libc::c_uint; +use metadata::create_subroutine_type; use rustc_abi::Size; use rustc_codegen_ssa::debuginfo::type_names; use rustc_codegen_ssa::mir::debuginfo::VariableKind::*; @@ -34,8 +35,8 @@ use crate::builder::Builder; use crate::common::{AsCCharPtr, CodegenCx}; use crate::llvm; use crate::llvm::debuginfo::{ - DIArray, DIBuilderBox, DIFile, DIFlags, DILexicalBlock, DILocation, DISPFlags, DIScope, DIType, - DIVariable, + DIArray, DIBuilderBox, DIFile, DIFlags, DILexicalBlock, DILocation, DISPFlags, DIScope, + DITemplateTypeParameter, DIType, DIVariable, }; use crate::value::Value; @@ -251,7 +252,7 @@ struct DebugLoc { col: u32, } -impl CodegenCx<'_, '_> { +impl<'ll> CodegenCx<'ll, '_> { /// Looks up debug source information about a `BytePos`. // FIXME(eddyb) rename this to better indicate it's a duplicate of // `lookup_char_pos` rather than `dbg_loc`, perhaps by making @@ -279,6 +280,22 @@ impl CodegenCx<'_, '_> { DebugLoc { file, line, col } } } + + fn create_template_type_parameter( + &self, + name: &str, + actual_type_metadata: &'ll DIType, + ) -> &'ll DITemplateTypeParameter { + unsafe { + llvm::LLVMRustDIBuilderCreateTemplateTypeParameter( + DIB(self), + None, + name.as_c_char_ptr(), + name.len(), + actual_type_metadata, + ) + } + } } impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { @@ -325,10 +342,8 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { let loc = self.lookup_debug_loc(span.lo()); let file_metadata = file_metadata(self, &loc.file); - let function_type_metadata = unsafe { - let fn_signature = get_function_signature(self, fn_abi); - llvm::LLVMRustDIBuilderCreateSubroutineType(DIB(self), fn_signature) - }; + let function_type_metadata = + create_subroutine_type(self, get_function_signature(self, fn_abi)); let mut name = String::with_capacity(64); type_names::push_item_name(tcx, def_id, false, &mut name); @@ -471,46 +486,10 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { generics: &ty::Generics, args: GenericArgsRef<'tcx>, ) -> &'ll DIArray { - if args.types().next().is_none() { - return create_DIArray(DIB(cx), &[]); - } - - // Again, only create type information if full debuginfo is enabled - let template_params: Vec<_> = if cx.sess().opts.debuginfo == DebugInfo::Full { - let names = get_parameter_names(cx, generics); - iter::zip(args, names) - .filter_map(|(kind, name)| { - kind.as_type().map(|ty| { - let actual_type = cx.tcx.normalize_erasing_regions(cx.typing_env(), ty); - let actual_type_metadata = type_di_node(cx, actual_type); - let name = name.as_str(); - unsafe { - Some(llvm::LLVMRustDIBuilderCreateTemplateTypeParameter( - DIB(cx), - None, - name.as_c_char_ptr(), - name.len(), - actual_type_metadata, - )) - } - }) - }) - .collect() - } else { - vec![] - }; - + let template_params = metadata::get_template_parameters(cx, generics, args); create_DIArray(DIB(cx), &template_params) } - fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec { - let mut names = generics.parent.map_or_else(Vec::new, |def_id| { - get_parameter_names(cx, cx.tcx.generics_of(def_id)) - }); - names.extend(generics.own_params.iter().map(|param| param.name)); - names - } - /// Returns a scope, plus `true` if that's a type scope for "class" methods, /// otherwise `false` for plain namespace scopes. fn get_containing_scope<'ll, 'tcx>( diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs index 7e1f35627e3..27643e715e6 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs @@ -176,7 +176,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .in_definition_order() // We only care about associated types. .filter(|item| item.kind == ty::AssocKind::Type) - // No RPITITs -- even with `async_fn_in_dyn_trait`, they are implicit. + // No RPITITs -- they're not dyn-compatible for now. .filter(|item| !item.is_impl_trait_in_trait()) // If the associated type has a `where Self: Sized` bound, // we do not need to constrain the associated type. diff --git a/compiler/rustc_lexer/Cargo.toml b/compiler/rustc_lexer/Cargo.toml index c72425fd92d..448a50faf45 100644 --- a/compiler/rustc_lexer/Cargo.toml +++ b/compiler/rustc_lexer/Cargo.toml @@ -16,7 +16,6 @@ Rust lexer used by rustc. No stability guarantees are provided. [dependencies] memchr = "2.7.4" unicode-xid = "0.2.0" -literal-escaper = { path = "../../library/literal-escaper" } [dependencies.unicode-properties] version = "0.1.0" diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index c45dd33982b..61638e45253 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -26,13 +26,11 @@ // tidy-alphabetical-end mod cursor; +pub mod unescape; #[cfg(test)] mod tests; -// FIXME: This is needed for rust-analyzer. Remove this dependency once rust-analyzer uses -// `literal-escaper`. -pub use literal_escaper as unescape; use unicode_properties::UnicodeEmoji; pub use unicode_xid::UNICODE_VERSION as UNICODE_XID_VERSION; diff --git a/library/literal-escaper/src/lib.rs b/compiler/rustc_lexer/src/unescape.rs similarity index 100% rename from library/literal-escaper/src/lib.rs rename to compiler/rustc_lexer/src/unescape.rs diff --git a/library/literal-escaper/src/tests.rs b/compiler/rustc_lexer/src/unescape/tests.rs similarity index 100% rename from library/literal-escaper/src/tests.rs rename to compiler/rustc_lexer/src/unescape/tests.rs diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs index 8c6b11a681e..e26575b552e 100644 --- a/compiler/rustc_middle/src/mir/coverage.rs +++ b/compiler/rustc_middle/src/mir/coverage.rs @@ -194,7 +194,6 @@ pub struct Mapping { #[derive(TyEncodable, TyDecodable, Hash, HashStable)] pub struct FunctionCoverageInfo { pub function_source_hash: u64, - pub body_span: Span, /// Used in conjunction with `priority_list` to create physical counters /// and counter expressions, after MIR optimizations. diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index 573f7895da2..5a038b27337 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -620,9 +620,8 @@ fn write_function_coverage_info( function_coverage_info: &coverage::FunctionCoverageInfo, w: &mut dyn io::Write, ) -> io::Result<()> { - let coverage::FunctionCoverageInfo { body_span, mappings, .. } = function_coverage_info; + let coverage::FunctionCoverageInfo { mappings, .. } = function_coverage_info; - writeln!(w, "{INDENT}coverage body span: {body_span:?}")?; for coverage::Mapping { kind, span } in mappings { writeln!(w, "{INDENT}coverage {kind:?} => {span:?};")?; } diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index b99148f3368..980d20f9d3b 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -712,10 +712,7 @@ impl<'tcx> Instance<'tcx> { .. }) ); - // We also need to generate a shim if this is an AFIT. - let needs_rpitit_shim = - tcx.return_position_impl_trait_in_trait_shim_data(def).is_some(); - if needs_track_caller_shim || needs_rpitit_shim { + if needs_track_caller_shim { if tcx.is_closure_like(def) { debug!( " => vtable fn pointer created for closure with #[track_caller]: {:?} for method {:?} {:?}", diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index a508487c796..fc439416a1a 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -149,7 +149,6 @@ mod opaque_types; mod parameterized; mod predicate; mod region; -mod return_position_impl_trait_in_trait; mod rvalue_scopes; mod structural_impls; #[allow(hidden_glob_reexports)] diff --git a/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs b/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs deleted file mode 100644 index 568e504b940..00000000000 --- a/compiler/rustc_middle/src/ty/return_position_impl_trait_in_trait.rs +++ /dev/null @@ -1,95 +0,0 @@ -use rustc_hir::def_id::DefId; - -use crate::ty::{self, ExistentialPredicateStableCmpExt, TyCtxt}; - -impl<'tcx> TyCtxt<'tcx> { - /// Given a `def_id` of a trait or impl method, compute whether that method needs to - /// have an RPITIT shim applied to it for it to be dyn compatible. If so, return the - /// `def_id` of the RPITIT, and also the args of trait method that returns the RPITIT. - /// - /// NOTE that these args are not, in general, the same as than the RPITIT's args. They - /// are a subset of those args, since they do not include the late-bound lifetimes of - /// the RPITIT. Depending on the context, these will need to be dealt with in different - /// ways -- in codegen, it's okay to fill them with ReErased. - pub fn return_position_impl_trait_in_trait_shim_data( - self, - def_id: DefId, - ) -> Option<(DefId, ty::EarlyBinder<'tcx, ty::GenericArgsRef<'tcx>>)> { - let assoc_item = self.opt_associated_item(def_id)?; - - let (trait_item_def_id, opt_impl_def_id) = match assoc_item.container { - ty::AssocItemContainer::Impl => { - (assoc_item.trait_item_def_id?, Some(self.parent(def_id))) - } - ty::AssocItemContainer::Trait => (def_id, None), - }; - - let sig = self.fn_sig(trait_item_def_id); - - // Check if the trait returns an RPITIT. - let ty::Alias(ty::Projection, ty::AliasTy { def_id, .. }) = - *sig.skip_binder().skip_binder().output().kind() - else { - return None; - }; - if !self.is_impl_trait_in_trait(def_id) { - return None; - } - - let args = if let Some(impl_def_id) = opt_impl_def_id { - // Rebase the args from the RPITIT onto the impl trait ref, so we can later - // substitute them with the method args of the *impl* method, since that's - // the instance we're building a vtable shim for. - ty::GenericArgs::identity_for_item(self, trait_item_def_id).rebase_onto( - self, - self.parent(trait_item_def_id), - self.impl_trait_ref(impl_def_id) - .expect("expected impl trait ref from parent of impl item") - .instantiate_identity() - .args, - ) - } else { - // This is when we have a default trait implementation. - ty::GenericArgs::identity_for_item(self, trait_item_def_id) - }; - - Some((def_id, ty::EarlyBinder::bind(args))) - } - - /// Given a `DefId` of an RPITIT and its args, return the existential predicates - /// that corresponds to the RPITIT's bounds with the self type erased. - pub fn item_bounds_to_existential_predicates( - self, - def_id: DefId, - args: ty::GenericArgsRef<'tcx>, - ) -> &'tcx ty::List> { - let mut bounds: Vec<_> = self - .item_self_bounds(def_id) - .iter_instantiated(self, args) - .filter_map(|clause| { - clause - .kind() - .map_bound(|clause| match clause { - ty::ClauseKind::Trait(trait_pred) => Some(ty::ExistentialPredicate::Trait( - ty::ExistentialTraitRef::erase_self_ty(self, trait_pred.trait_ref), - )), - ty::ClauseKind::Projection(projection_pred) => { - Some(ty::ExistentialPredicate::Projection( - ty::ExistentialProjection::erase_self_ty(self, projection_pred), - )) - } - ty::ClauseKind::TypeOutlives(_) => { - // Type outlives bounds don't really turn into anything, - // since we must use an intersection region for the `dyn*`'s - // region anyways. - None - } - _ => unreachable!("unexpected clause in item bounds: {clause:?}"), - }) - .transpose() - }) - .collect(); - bounds.sort_by(|a, b| a.skip_binder().stable_cmp(self, &b.skip_binder())); - self.mk_poly_existential_predicates(&bounds) - } -} diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs index 1ccae0fd7fe..572dbae8fd2 100644 --- a/compiler/rustc_mir_transform/src/coverage/mod.rs +++ b/compiler/rustc_mir_transform/src/coverage/mod.rs @@ -107,7 +107,6 @@ fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir: mir_body.function_coverage_info = Some(Box::new(FunctionCoverageInfo { function_source_hash: hir_info.function_source_hash, - body_span: hir_info.body_span, node_flow_data, priority_list, diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs index 34074a84e28..c9771467e49 100644 --- a/compiler/rustc_mir_transform/src/shim.rs +++ b/compiler/rustc_mir_transform/src/shim.rs @@ -8,7 +8,6 @@ use rustc_hir::lang_items::LangItem; use rustc_index::{Idx, IndexVec}; use rustc_middle::mir::*; use rustc_middle::query::Providers; -use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::{ self, CoroutineArgs, CoroutineArgsExt, EarlyBinder, GenericArgs, Ty, TyCtxt, }; @@ -718,12 +717,6 @@ fn build_call_shim<'tcx>( let def_id = instance.def_id(); - let rpitit_shim = if let ty::InstanceKind::ReifyShim(..) = instance { - tcx.return_position_impl_trait_in_trait_shim_data(def_id) - } else { - None - }; - let sig = tcx.fn_sig(def_id); let sig = sig.map_bound(|sig| tcx.instantiate_bound_regions_with_erased(sig)); @@ -779,30 +772,7 @@ fn build_call_shim<'tcx>( let mut local_decls = local_decls_for_sig(&sig, span); let source_info = SourceInfo::outermost(span); - let mut destination = Place::return_place(); - if let Some((rpitit_def_id, fn_args)) = rpitit_shim { - let rpitit_args = - fn_args.instantiate_identity().extend_to(tcx, rpitit_def_id, |param, _| { - match param.kind { - ty::GenericParamDefKind::Lifetime => tcx.lifetimes.re_erased.into(), - ty::GenericParamDefKind::Type { .. } - | ty::GenericParamDefKind::Const { .. } => { - unreachable!("rpitit should have no addition ty/ct") - } - } - }); - let dyn_star_ty = Ty::new_dynamic( - tcx, - tcx.item_bounds_to_existential_predicates(rpitit_def_id, rpitit_args), - tcx.lifetimes.re_erased, - ty::DynStar, - ); - destination = local_decls.push(local_decls[RETURN_PLACE].clone()).into(); - local_decls[RETURN_PLACE].ty = dyn_star_ty; - let mut inputs_and_output = sig.inputs_and_output.to_vec(); - *inputs_and_output.last_mut().unwrap() = dyn_star_ty; - sig.inputs_and_output = tcx.mk_type_list(&inputs_and_output); - } + let destination = Place::return_place(); let rcvr_place = || { assert!(rcvr_adjustment.is_some()); @@ -921,23 +891,7 @@ fn build_call_shim<'tcx>( ); } // BB #1/#2 - return - // NOTE: If this is an RPITIT in dyn, we also want to coerce - // the return type of the function into a `dyn*`. - let stmts = if rpitit_shim.is_some() { - vec![Statement { - source_info, - kind: StatementKind::Assign(Box::new(( - Place::return_place(), - Rvalue::Cast( - CastKind::PointerCoercion(PointerCoercion::DynStar, CoercionSource::Implicit), - Operand::Move(destination), - sig.output(), - ), - ))), - }] - } else { - vec![] - }; + let stmts = vec![]; block(&mut blocks, stmts, TerminatorKind::Return, false); if let Some(Adjustment::RefMut) = rcvr_adjustment { // BB #3 - drop if closure panics diff --git a/compiler/rustc_parse/Cargo.toml b/compiler/rustc_parse/Cargo.toml index e83f2d5a56d..c9dcab0c871 100644 --- a/compiler/rustc_parse/Cargo.toml +++ b/compiler/rustc_parse/Cargo.toml @@ -6,7 +6,6 @@ edition = "2024" [dependencies] # tidy-alphabetical-start bitflags = "2.4.1" -literal-escaper = { path = "../../library/literal-escaper" } rustc_ast = { path = "../rustc_ast" } rustc_ast_pretty = { path = "../rustc_ast_pretty" } rustc_data_structures = { path = "../rustc_data_structures" } diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index 4a3fda86c86..1d17290e1c7 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -1,12 +1,12 @@ use std::ops::Range; -use literal_escaper::{self, EscapeError, Mode}; use rustc_ast::ast::{self, AttrStyle}; use rustc_ast::token::{self, CommentKind, Delimiter, IdentIsRaw, Token, TokenKind}; use rustc_ast::tokenstream::TokenStream; use rustc_ast::util::unicode::contains_text_flow_control_chars; use rustc_errors::codes::*; use rustc_errors::{Applicability, Diag, DiagCtxtHandle, StashKey}; +use rustc_lexer::unescape::{self, EscapeError, Mode}; use rustc_lexer::{Base, Cursor, DocStyle, LiteralKind, RawStrError}; use rustc_session::lint::BuiltinLintDiag; use rustc_session::lint::builtin::{ @@ -970,7 +970,7 @@ impl<'psess, 'src> Lexer<'psess, 'src> { postfix_len: u32, ) -> (token::LitKind, Symbol) { self.cook_common(kind, mode, start, end, prefix_len, postfix_len, |src, mode, callback| { - literal_escaper::unescape_unicode(src, mode, &mut |span, result| { + unescape::unescape_unicode(src, mode, &mut |span, result| { callback(span, result.map(drop)) }) }) @@ -986,7 +986,7 @@ impl<'psess, 'src> Lexer<'psess, 'src> { postfix_len: u32, ) -> (token::LitKind, Symbol) { self.cook_common(kind, mode, start, end, prefix_len, postfix_len, |src, mode, callback| { - literal_escaper::unescape_mixed(src, mode, &mut |span, result| { + unescape::unescape_mixed(src, mode, &mut |span, result| { callback(span, result.map(drop)) }) }) diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs index e8aa400e73d..2e066f0179c 100644 --- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs +++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs @@ -3,8 +3,8 @@ use std::iter::once; use std::ops::Range; -use literal_escaper::{EscapeError, Mode}; use rustc_errors::{Applicability, DiagCtxtHandle, ErrorGuaranteed}; +use rustc_lexer::unescape::{EscapeError, Mode}; use rustc_span::{BytePos, Span}; use tracing::debug; diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 85d94400b1c..0774324eae7 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -6,7 +6,6 @@ use core::ops::{Bound, ControlFlow}; use ast::mut_visit::{self, MutVisitor}; use ast::token::{IdentIsRaw, MetaVarKind}; use ast::{CoroutineKind, ForLoopKind, GenBlockKind, MatchKind, Pat, Path, PathSegment, Recovered}; -use literal_escaper::unescape_char; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, Token, TokenKind}; use rustc_ast::tokenstream::TokenTree; @@ -22,6 +21,7 @@ use rustc_ast::{ use rustc_ast_pretty::pprust; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::{Applicability, Diag, PResult, StashKey, Subdiagnostic}; +use rustc_lexer::unescape::unescape_char; use rustc_macros::Subdiagnostic; use rustc_session::errors::{ExprParenthesesNeeded, report_lit_error}; use rustc_session::lint::BuiltinLintDiag; diff --git a/compiler/rustc_parse_format/Cargo.toml b/compiler/rustc_parse_format/Cargo.toml index e63ed9e16f2..a39cca716d2 100644 --- a/compiler/rustc_parse_format/Cargo.toml +++ b/compiler/rustc_parse_format/Cargo.toml @@ -5,7 +5,6 @@ edition = "2024" [dependencies] # tidy-alphabetical-start -literal-escaper = { path = "../../library/literal-escaper" } rustc_index = { path = "../rustc_index", default-features = false } rustc_lexer = { path = "../rustc_lexer" } # tidy-alphabetical-end diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs index 5780daf3034..5b8a2fe52d3 100644 --- a/compiler/rustc_parse_format/src/lib.rs +++ b/compiler/rustc_parse_format/src/lib.rs @@ -18,6 +18,7 @@ pub use Alignment::*; pub use Count::*; pub use Position::*; +use rustc_lexer::unescape; // Note: copied from rustc_span /// Range inside of a `Span` used for diagnostics when we only have access to relative positions. @@ -1093,14 +1094,12 @@ fn find_width_map_from_snippet( fn unescape_string(string: &str) -> Option { let mut buf = String::new(); let mut ok = true; - literal_escaper::unescape_unicode( - string, - literal_escaper::Mode::Str, - &mut |_, unescaped_char| match unescaped_char { + unescape::unescape_unicode(string, unescape::Mode::Str, &mut |_, unescaped_char| { + match unescaped_char { Ok(c) => buf.push(c), Err(_) => ok = false, - }, - ); + } + }); ok.then_some(buf) } diff --git a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs index 3fceada2510..78a45243983 100644 --- a/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs +++ b/compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs @@ -9,7 +9,6 @@ use std::ops::ControlFlow; use rustc_errors::FatalError; use rustc_hir as hir; use rustc_hir::def_id::DefId; -use rustc_middle::bug; use rustc_middle::query::Providers; use rustc_middle::ty::{ self, EarlyBinder, GenericArgs, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, @@ -807,31 +806,8 @@ fn contains_illegal_impl_trait_in_trait<'tcx>( let ty = tcx.liberate_late_bound_regions(fn_def_id, ty); if tcx.asyncness(fn_def_id).is_async() { - // FIXME(async_fn_in_dyn_trait): Think of a better way to unify these code paths - // to issue an appropriate feature suggestion when users try to use AFIDT. - // Obviously we must only do this once AFIDT is finished enough to actually be usable. - if tcx.features().async_fn_in_dyn_trait() { - let ty::Alias(ty::Projection, proj) = *ty.kind() else { - bug!("expected async fn in trait to return an RPITIT"); - }; - assert!(tcx.is_impl_trait_in_trait(proj.def_id)); - - // FIXME(async_fn_in_dyn_trait): We should check that this bound is legal too, - // and stop relying on `async fn` in the definition. - for bound in tcx.item_bounds(proj.def_id).instantiate(tcx, proj.args) { - if let Some(violation) = bound - .visit_with(&mut IllegalRpititVisitor { tcx, allowed: Some(proj) }) - .break_value() - { - return Some(violation); - } - } - - None - } else { - // Rendering the error as a separate `async-specific` message is better. - Some(MethodViolationCode::AsyncFn) - } + // Rendering the error as a separate `async-specific` message is better. + Some(MethodViolationCode::AsyncFn) } else { ty.visit_with(&mut IllegalRpititVisitor { tcx, allowed: None }).break_value() } diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 2c60be63bd5..6057b66c483 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -7,8 +7,8 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::ErrorGuaranteed; use rustc_hir::def::DefKind; use rustc_hir::lang_items::LangItem; +use rustc_infer::infer::DefineOpaqueTypes; use rustc_infer::infer::resolve::OpportunisticRegionResolver; -use rustc_infer::infer::{DefineOpaqueTypes, RegionVariableOrigin}; use rustc_infer::traits::{ObligationCauseCode, PredicateObligations}; use rustc_middle::traits::select::OverflowError; use rustc_middle::traits::{BuiltinImplSource, ImplSource, ImplSourceUserDefinedData}; @@ -18,8 +18,6 @@ use rustc_middle::ty::{ }; use rustc_middle::{bug, span_bug}; use rustc_span::sym; -use rustc_type_ir::elaborate; -use thin_vec::thin_vec; use tracing::{debug, instrument}; use super::{ @@ -63,9 +61,6 @@ enum ProjectionCandidate<'tcx> { /// Bounds specified on an object type Object(ty::PolyProjectionPredicate<'tcx>), - /// Built-in bound for a dyn async fn in trait - ObjectRpitit, - /// From an "impl" (or a "pseudo-impl" returned by select) Select(Selection<'tcx>), } @@ -832,16 +827,6 @@ fn assemble_candidates_from_object_ty<'cx, 'tcx>( env_predicates, false, ); - - // `dyn Trait` automagically project their AFITs to `dyn* Future`. - if tcx.is_impl_trait_in_trait(obligation.predicate.def_id) - && let Some(out_trait_def_id) = data.principal_def_id() - && let rpitit_trait_def_id = tcx.parent(obligation.predicate.def_id) - && elaborate::supertrait_def_ids(tcx, out_trait_def_id) - .any(|trait_def_id| trait_def_id == rpitit_trait_def_id) - { - candidate_set.push_candidate(ProjectionCandidate::ObjectRpitit); - } } #[instrument( @@ -1273,8 +1258,6 @@ fn confirm_candidate<'cx, 'tcx>( ProjectionCandidate::Select(impl_source) => { confirm_select_candidate(selcx, obligation, impl_source) } - - ProjectionCandidate::ObjectRpitit => confirm_object_rpitit_candidate(selcx, obligation), }; // When checking for cycle during evaluation, we compare predicates with @@ -2070,45 +2053,6 @@ fn confirm_impl_candidate<'cx, 'tcx>( } } -fn confirm_object_rpitit_candidate<'cx, 'tcx>( - selcx: &mut SelectionContext<'cx, 'tcx>, - obligation: &ProjectionTermObligation<'tcx>, -) -> Progress<'tcx> { - let tcx = selcx.tcx(); - let mut obligations = thin_vec![]; - - // Compute an intersection lifetime for all the input components of this GAT. - let intersection = - selcx.infcx.next_region_var(RegionVariableOrigin::MiscVariable(obligation.cause.span)); - for component in obligation.predicate.args { - match component.unpack() { - ty::GenericArgKind::Lifetime(lt) => { - obligations.push(obligation.with(tcx, ty::OutlivesPredicate(lt, intersection))); - } - ty::GenericArgKind::Type(ty) => { - obligations.push(obligation.with(tcx, ty::OutlivesPredicate(ty, intersection))); - } - ty::GenericArgKind::Const(_ct) => { - // Consts have no outlives... - } - } - } - - Progress { - term: Ty::new_dynamic( - tcx, - tcx.item_bounds_to_existential_predicates( - obligation.predicate.def_id, - obligation.predicate.args, - ), - intersection, - ty::DynStar, - ) - .into(), - obligations, - } -} - // Get obligations corresponding to the predicates from the where-clause of the // associated type itself. fn assoc_ty_own_obligations<'cx, 'tcx>( diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 4cd6781ab89..4404324d5cd 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -616,12 +616,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { for assoc_type in assoc_types { let defs: &ty::Generics = tcx.generics_of(assoc_type); - // When `async_fn_in_dyn_trait` is enabled, we don't need to check the - // RPITIT for compatibility, since it's not provided by the user. - if tcx.features().async_fn_in_dyn_trait() && tcx.is_impl_trait_in_trait(assoc_type) { - continue; - } - if !defs.own_params.is_empty() { tcx.dcx().span_delayed_bug( obligation.cause.span, diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index a726ebae6fe..48d5a4a0fcb 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -55,31 +55,6 @@ fn fn_sig_for_fn_abi<'tcx>( sig.inputs_and_output = tcx.mk_type_list(&inputs_and_output); } - // Modify `fn() -> impl Future` to `fn() -> dyn* Future`. - if let ty::InstanceKind::ReifyShim(def_id, _) = instance.def - && let Some((rpitit_def_id, fn_args)) = - tcx.return_position_impl_trait_in_trait_shim_data(def_id) - { - let fn_args = fn_args.instantiate(tcx, args); - let rpitit_args = - fn_args.extend_to(tcx, rpitit_def_id, |param, _| match param.kind { - ty::GenericParamDefKind::Lifetime => tcx.lifetimes.re_erased.into(), - ty::GenericParamDefKind::Type { .. } - | ty::GenericParamDefKind::Const { .. } => { - unreachable!("rpitit should have no addition ty/ct") - } - }); - let dyn_star_ty = Ty::new_dynamic( - tcx, - tcx.item_bounds_to_existential_predicates(rpitit_def_id, rpitit_args), - tcx.lifetimes.re_erased, - ty::DynStar, - ); - let mut inputs_and_output = sig.inputs_and_output.to_vec(); - *inputs_and_output.last_mut().unwrap() = dyn_star_ty; - sig.inputs_and_output = tcx.mk_type_list(&inputs_and_output); - } - sig } ty::Closure(def_id, args) => { diff --git a/library/Cargo.lock b/library/Cargo.lock index d9a24f7cd24..104e0a3d010 100644 --- a/library/Cargo.lock +++ b/library/Cargo.lock @@ -85,7 +85,6 @@ version = "0.0.0" dependencies = [ "rand", "rand_xorshift", - "regex", ] [[package]] @@ -165,13 +164,6 @@ dependencies = [ "rustc-std-workspace-core", ] -[[package]] -name = "literal-escaper" -version = "0.0.0" -dependencies = [ - "rustc-std-workspace-std", -] - [[package]] name = "memchr" version = "2.7.4" @@ -243,7 +235,6 @@ name = "proc_macro" version = "0.0.0" dependencies = [ "core", - "literal-escaper", "std", ] @@ -312,31 +303,6 @@ dependencies = [ "rand_core", ] -[[package]] -name = "regex" -version = "1.11.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191" -dependencies = [ - "regex-automata", - "regex-syntax", -] - -[[package]] -name = "regex-automata" -version = "0.4.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908" -dependencies = [ - "regex-syntax", -] - -[[package]] -name = "regex-syntax" -version = "0.8.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" - [[package]] name = "rustc-demangle" version = "0.1.24" diff --git a/library/Cargo.toml b/library/Cargo.toml index 5445fd61afa..4d5955593ff 100644 --- a/library/Cargo.toml +++ b/library/Cargo.toml @@ -8,7 +8,6 @@ members = [ ] exclude = [ - "literal-escaper", # stdarch has its own Cargo workspace "stdarch", "windows_targets" diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index 075da022854..3bbb52fdbcb 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -1704,11 +1704,7 @@ pub trait Iterator { /// self.state = self.state + 1; /// /// // if it's even, Some(i32), else None - /// if val % 2 == 0 { - /// Some(val) - /// } else { - /// None - /// } + /// (val % 2 == 0).then_some(val) /// } /// } /// diff --git a/library/coretests/Cargo.toml b/library/coretests/Cargo.toml index 88a7e159c95..e44f01d347b 100644 --- a/library/coretests/Cargo.toml +++ b/library/coretests/Cargo.toml @@ -25,4 +25,3 @@ test = true [dev-dependencies] rand = { version = "0.9.0", default-features = false } rand_xorshift = { version = "0.4.0", default-features = false } -regex = { version = "1.11.1", default-features = false } diff --git a/library/coretests/tests/fmt/mod.rs b/library/coretests/tests/fmt/mod.rs index cb185dae9de..3f082a90770 100644 --- a/library/coretests/tests/fmt/mod.rs +++ b/library/coretests/tests/fmt/mod.rs @@ -22,32 +22,24 @@ fn test_pointer_formats_data_pointer() { #[test] fn test_fmt_debug_of_raw_pointers() { use core::fmt::Debug; + use core::ptr; - fn check_fmt(t: T, expected: &str) { - use std::sync::LazyLock; - - use regex::Regex; - - static ADDR_REGEX: LazyLock = - LazyLock::new(|| Regex::new(r"0x[0-9a-fA-F]+").unwrap()); - + fn check_fmt(t: T, start: &str, contains: &str) { let formatted = format!("{:?}", t); - let normalized = ADDR_REGEX.replace_all(&formatted, "$$HEX"); - - assert_eq!(normalized, expected); + assert!(formatted.starts_with(start), "{formatted:?} doesn't start with {start:?}"); + assert!(formatted.contains(contains), "{formatted:?} doesn't contain {contains:?}"); } - let plain = &mut 100; - check_fmt(plain as *mut i32, "$HEX"); - check_fmt(plain as *const i32, "$HEX"); + assert_eq!(format!("{:?}", ptr::without_provenance_mut::(0x100)), "0x100"); + assert_eq!(format!("{:?}", ptr::without_provenance::(0x100)), "0x100"); - let slice = &mut [200, 300, 400][..]; - check_fmt(slice as *mut [i32], "Pointer { addr: $HEX, metadata: 3 }"); - check_fmt(slice as *const [i32], "Pointer { addr: $HEX, metadata: 3 }"); + let slice = ptr::slice_from_raw_parts(ptr::without_provenance::(0x100), 3); + assert_eq!(format!("{:?}", slice as *mut [i32]), "Pointer { addr: 0x100, metadata: 3 }"); + assert_eq!(format!("{:?}", slice as *const [i32]), "Pointer { addr: 0x100, metadata: 3 }"); let vtable = &mut 500 as &mut dyn Debug; - check_fmt(vtable as *mut dyn Debug, "Pointer { addr: $HEX, metadata: DynMetadata($HEX) }"); - check_fmt(vtable as *const dyn Debug, "Pointer { addr: $HEX, metadata: DynMetadata($HEX) }"); + check_fmt(vtable as *mut dyn Debug, "Pointer { addr: ", ", metadata: DynMetadata("); + check_fmt(vtable as *const dyn Debug, "Pointer { addr: ", ", metadata: DynMetadata("); } #[test] diff --git a/library/literal-escaper/Cargo.toml b/library/literal-escaper/Cargo.toml deleted file mode 100644 index 708fcd3cacb..00000000000 --- a/library/literal-escaper/Cargo.toml +++ /dev/null @@ -1,10 +0,0 @@ -[package] -name = "literal-escaper" -version = "0.0.0" -edition = "2021" - -[dependencies] -std = { version = '1.0.0', optional = true, package = 'rustc-std-workspace-std' } - -[features] -rustc-dep-of-std = ["dep:std"] diff --git a/library/literal-escaper/README.md b/library/literal-escaper/README.md deleted file mode 100644 index 9986d2451c7..00000000000 --- a/library/literal-escaper/README.md +++ /dev/null @@ -1,4 +0,0 @@ -# literal-escaper - -This crate provides code to unescape string literals. It is used by `rustc_lexer` -and `proc_macro`. diff --git a/library/proc_macro/Cargo.toml b/library/proc_macro/Cargo.toml index f2ac530dfd2..72cb4e4166f 100644 --- a/library/proc_macro/Cargo.toml +++ b/library/proc_macro/Cargo.toml @@ -4,7 +4,6 @@ version = "0.0.0" edition = "2024" [dependencies] -literal-escaper = { path = "../literal-escaper", features = ["rustc-dep-of-std"] } std = { path = "../std" } # Workaround: when documenting this crate rustdoc will try to load crate named # `core` when resolving doc links. Without this line a different `core` will be diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index bd08d59daa8..d9141eab591 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -28,7 +28,6 @@ #![feature(restricted_std)] #![feature(rustc_attrs)] #![feature(extend_one)] -#![feature(stmt_expr_attributes)] #![recursion_limit = "256"] #![allow(internal_features)] #![deny(ffi_unwind_calls)] @@ -52,24 +51,11 @@ use std::{error, fmt}; #[unstable(feature = "proc_macro_diagnostic", issue = "54140")] pub use diagnostic::{Diagnostic, Level, MultiSpan}; -#[unstable(feature = "proc_macro_value", issue = "136652")] -pub use literal_escaper::EscapeError; -use literal_escaper::{MixedUnit, Mode, byte_from_char, unescape_mixed, unescape_unicode}; #[unstable(feature = "proc_macro_totokens", issue = "130977")] pub use to_tokens::ToTokens; use crate::escape::{EscapeOptions, escape_bytes}; -/// Errors returned when trying to retrieve a literal unescaped value. -#[unstable(feature = "proc_macro_value", issue = "136652")] -#[derive(Debug, PartialEq, Eq)] -pub enum ConversionErrorKind { - /// The literal failed to be escaped, take a look at [`EscapeError`] for more information. - FailedToUnescape(EscapeError), - /// Trying to convert a literal with the wrong type. - InvalidLiteralKind, -} - /// Determines whether proc_macro has been made accessible to the currently /// running program. /// @@ -1465,107 +1451,6 @@ impl Literal { } }) } - - /// Returns the unescaped string value if the current literal is a string or a string literal. - #[unstable(feature = "proc_macro_value", issue = "136652")] - pub fn str_value(&self) -> Result { - self.0.symbol.with(|symbol| match self.0.kind { - bridge::LitKind::Str => { - if symbol.contains('\\') { - let mut buf = String::with_capacity(symbol.len()); - let mut error = None; - // Force-inlining here is aggressive but the closure is - // called on every char in the string, so it can be hot in - // programs with many long strings containing escapes. - unescape_unicode( - symbol, - Mode::Str, - &mut #[inline(always)] - |_, c| match c { - Ok(c) => buf.push(c), - Err(err) => { - if err.is_fatal() { - error = Some(ConversionErrorKind::FailedToUnescape(err)); - } - } - }, - ); - if let Some(error) = error { Err(error) } else { Ok(buf) } - } else { - Ok(symbol.to_string()) - } - } - bridge::LitKind::StrRaw(_) => Ok(symbol.to_string()), - _ => Err(ConversionErrorKind::InvalidLiteralKind), - }) - } - - /// Returns the unescaped string value if the current literal is a c-string or a c-string - /// literal. - #[unstable(feature = "proc_macro_value", issue = "136652")] - pub fn cstr_value(&self) -> Result, ConversionErrorKind> { - self.0.symbol.with(|symbol| match self.0.kind { - bridge::LitKind::CStr => { - let mut error = None; - let mut buf = Vec::with_capacity(symbol.len()); - - unescape_mixed(symbol, Mode::CStr, &mut |_span, c| match c { - Ok(MixedUnit::Char(c)) => { - buf.extend_from_slice(c.encode_utf8(&mut [0; 4]).as_bytes()) - } - Ok(MixedUnit::HighByte(b)) => buf.push(b), - Err(err) => { - if err.is_fatal() { - error = Some(ConversionErrorKind::FailedToUnescape(err)); - } - } - }); - if let Some(error) = error { - Err(error) - } else { - buf.push(0); - Ok(buf) - } - } - bridge::LitKind::CStrRaw(_) => { - // Raw strings have no escapes so we can convert the symbol - // directly to a `Lrc` after appending the terminating NUL - // char. - let mut buf = symbol.to_owned().into_bytes(); - buf.push(0); - Ok(buf) - } - _ => Err(ConversionErrorKind::InvalidLiteralKind), - }) - } - - /// Returns the unescaped string value if the current literal is a byte string or a byte string - /// literal. - #[unstable(feature = "proc_macro_value", issue = "136652")] - pub fn byte_str_value(&self) -> Result, ConversionErrorKind> { - self.0.symbol.with(|symbol| match self.0.kind { - bridge::LitKind::ByteStr => { - let mut buf = Vec::with_capacity(symbol.len()); - let mut error = None; - - unescape_unicode(symbol, Mode::ByteStr, &mut |_, c| match c { - Ok(c) => buf.push(byte_from_char(c)), - Err(err) => { - if err.is_fatal() { - error = Some(ConversionErrorKind::FailedToUnescape(err)); - } - } - }); - if let Some(error) = error { Err(error) } else { Ok(buf) } - } - bridge::LitKind::ByteStrRaw(_) => { - // Raw strings have no escapes so we can convert the symbol - // directly to a `Lrc`. - Ok(symbol.to_owned().into_bytes()) - } - _ => Err(ConversionErrorKind::InvalidLiteralKind), - }) - } } /// Parse a single literal from its stringified representation. diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 679549093b3..a4f007cab74 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -2251,24 +2251,18 @@ fn skip_until(r: &mut R, delim: u8) -> Result { #[stable(feature = "rust1", since = "1.0.0")] #[cfg_attr(not(test), rustc_diagnostic_item = "IoBufRead")] pub trait BufRead: Read { - /// Returns the contents of the internal buffer, filling it with more data - /// from the inner reader if it is empty. + /// Returns the contents of the internal buffer, filling it with more data, via `Read` methods, if empty. /// - /// This function is a lower-level call. It needs to be paired with the - /// [`consume`] method to function properly. When calling this - /// method, none of the contents will be "read" in the sense that later - /// calling `read` may return the same contents. As such, [`consume`] must - /// be called with the number of bytes that are consumed from this buffer to - /// ensure that the bytes are never returned twice. + /// This is a lower-level method and is meant to be used together with [`consume`], + /// which can be used to mark bytes that should not be returned by subsequent calls to `read`. /// /// [`consume`]: BufRead::consume /// - /// An empty buffer returned indicates that the stream has reached EOF. + /// Returns an empty buffer when the stream has reached EOF. /// /// # Errors /// - /// This function will return an I/O error if the underlying reader was - /// read, but returned an error. + /// This function will return an I/O error if a `Read` method was called, but returned an error. /// /// # Examples /// @@ -2286,7 +2280,7 @@ pub trait BufRead: Read { /// // work with buffer /// println!("{buffer:?}"); /// - /// // ensure the bytes we worked with aren't returned again later + /// // mark the bytes we worked with as read /// let length = buffer.len(); /// stdin.consume(length); /// # std::io::Result::Ok(()) @@ -2294,18 +2288,13 @@ pub trait BufRead: Read { #[stable(feature = "rust1", since = "1.0.0")] fn fill_buf(&mut self) -> Result<&[u8]>; - /// Tells this buffer that `amt` bytes have been consumed from the buffer, - /// so they should no longer be returned in calls to `read`. + /// Marks the given `amount` of additional bytes from the internal buffer as having been read. + /// Subsequent calls to `read` only return bytes that have not been marked as read. /// - /// This function is a lower-level call. It needs to be paired with the - /// [`fill_buf`] method to function properly. This function does - /// not perform any I/O, it simply informs this object that some amount of - /// its buffer, returned from [`fill_buf`], has been consumed and should - /// no longer be returned. As such, this function may do odd things if - /// [`fill_buf`] isn't called before calling it. + /// This is a lower-level method and is meant to be used together with [`fill_buf`], + /// which can be used to fill the internal buffer via `Read` methods. /// - /// The `amt` must be `<=` the number of bytes in the buffer returned by - /// [`fill_buf`]. + /// It is a logic error if `amount` exceeds the number of unread bytes in the internal buffer, which is returned by [`fill_buf`]. /// /// # Examples /// @@ -2314,9 +2303,9 @@ pub trait BufRead: Read { /// /// [`fill_buf`]: BufRead::fill_buf #[stable(feature = "rust1", since = "1.0.0")] - fn consume(&mut self, amt: usize); + fn consume(&mut self, amount: usize); - /// Checks if the underlying `Read` has any data left to be read. + /// Checks if there is any data left to be `read`. /// /// This function may fill the buffer to check for data, /// so this functions returns `Result`, not `bool`. @@ -2325,6 +2314,10 @@ pub trait BufRead: Read { /// returned slice is empty (which means that there is no data left, /// since EOF is reached). /// + /// # Errors + /// + /// This function will return an I/O error if a `Read` method was called, but returned an error. + /// /// Examples /// /// ``` diff --git a/src/bootstrap/src/core/builder/tests.rs b/src/bootstrap/src/core/builder/tests.rs index 343fbcc0286..b062781e68a 100644 --- a/src/bootstrap/src/core/builder/tests.rs +++ b/src/bootstrap/src/core/builder/tests.rs @@ -655,7 +655,7 @@ mod dist { let mut builder = Builder::new(&build); builder.run_step_descriptions( &Builder::get_step_descriptions(Kind::Build), - &["compiler/rustc".into(), "std".into()], + &["compiler/rustc".into(), "library".into()], ); assert_eq!(builder.config.stage, 2); diff --git a/src/bootstrap/src/core/metadata.rs b/src/bootstrap/src/core/metadata.rs index 3720602dc77..2706aba5ffc 100644 --- a/src/bootstrap/src/core/metadata.rs +++ b/src/bootstrap/src/core/metadata.rs @@ -62,11 +62,6 @@ pub fn build(build: &mut Build) { let relative_path = krate.local_path(build); build.crates.insert(name.clone(), krate); let existing_path = build.crate_paths.insert(relative_path, name); - // `literal-escaper` is both a dependency of `compiler/rustc_lexer` and of - // `library/proc-macro`, making it appear multiple times in the workspace. - if existing_path.as_deref() == Some("literal-escaper") { - continue; - } assert!( existing_path.is_none(), "multiple crates with the same path: {}", diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 1943d0299b9..1fba17dcf30 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -716,7 +716,7 @@ impl Build { features.push("llvm"); } // keep in sync with `bootstrap/compile.rs:rustc_cargo_env` - if self.config.rust_randomize_layout && check("rustc_randomized_layouts") { + if self.config.rust_randomize_layout { features.push("rustc_randomized_layouts"); } diff --git a/src/ci/citool/src/main.rs b/src/ci/citool/src/main.rs index 9e4b558d77a..5a84ecb5e47 100644 --- a/src/ci/citool/src/main.rs +++ b/src/ci/citool/src/main.rs @@ -20,7 +20,7 @@ use crate::cpu_usage::load_cpu_usage; use crate::datadog::upload_datadog_metric; use crate::jobs::RunType; use crate::metrics::{JobMetrics, download_auto_job_metrics, download_job_metrics, load_metrics}; -use crate::utils::{load_env_var, output_details}; +use crate::utils::load_env_var; const CI_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/.."); const DOCKER_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../docker"); @@ -175,13 +175,6 @@ fn postprocess_metrics( fn post_merge_report(db: JobDatabase, current: String, parent: String) -> anyhow::Result<()> { let metrics = download_auto_job_metrics(&db, &parent, ¤t)?; - output_details("What is this?", || { - println!( - r#"This is an experimental post-merge analysis report that shows differences in -test outcomes between the merged PR and its parent PR."# - ); - }); - println!("\nComparing {parent} (parent) -> {current} (this PR)\n"); output_test_diffs(metrics); diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version index eb779d9ab05..6baf43397e8 100644 --- a/src/doc/rustc-dev-guide/rust-version +++ b/src/doc/rustc-dev-guide/rust-version @@ -1 +1 @@ -8536f201ffdb2c24925d7f9e87996d7dca93428b +493c38ba371929579fe136df26eccd9516347c7a diff --git a/src/doc/rustc-dev-guide/src/building/suggested.md b/src/doc/rustc-dev-guide/src/building/suggested.md index 506f41b165e..43ff2ba726f 100644 --- a/src/doc/rustc-dev-guide/src/building/suggested.md +++ b/src/doc/rustc-dev-guide/src/building/suggested.md @@ -123,6 +123,30 @@ Another way is without a plugin, and creating your own logic in your configuration. The following code will work for any checkout of rust-lang/rust (newer than Febuary 2025): ```lua +local function expand_config_variables(option) + local var_placeholders = { + ['${workspaceFolder}'] = function(_) + return vim.lsp.buf.list_workspace_folders()[1] + end, + } + + if type(option) == "table" then + local mt = getmetatable(option) + local result = {} + for k, v in pairs(option) do + result[expand_config_variables(k)] = expand_config_variables(v) + end + return setmetatable(result, mt) + end + if type(option) ~= "string" then + return option + end + local ret = option + for key, fn in pairs(var_placeholders) do + ret = ret:gsub(key, fn) + end + return ret +end lspconfig.rust_analyzer.setup { root_dir = function() local default = lspconfig.rust_analyzer.config_def.default_config.root_dir() @@ -142,7 +166,7 @@ lspconfig.rust_analyzer.setup { -- load rust-lang/rust settings local file = io.open(config) local json = vim.json.decode(file:read("*a")) - client.config.settings["rust-analyzer"] = json.lsp["rust-analyzer"].initialization_options + client.config.settings["rust-analyzer"] = expand_config_variables(json.lsp["rust-analyzer"].initialization_options) client.notify("workspace/didChangeConfiguration", { settings = client.config.settings }) end return true diff --git a/src/doc/rustc-dev-guide/src/contributing.md b/src/doc/rustc-dev-guide/src/contributing.md index 9817326f07b..09a7f912b98 100644 --- a/src/doc/rustc-dev-guide/src/contributing.md +++ b/src/doc/rustc-dev-guide/src/contributing.md @@ -81,7 +81,7 @@ smaller user-facing changes. into a PR that ends up not getting merged!** [See this document][mcpinfo] for more info on MCPs. -[mcpinfo]: https://forge.rust-lang.org/compiler/mcp.html +[mcpinfo]: https://forge.rust-lang.org/compiler/proposals-and-stabilization.html#how-do-i-submit-an-mcp [zulip]: https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler ### Performance diff --git a/src/doc/rustc-dev-guide/src/implementing_new_features.md b/src/doc/rustc-dev-guide/src/implementing_new_features.md index fda38ef4fc0..d7561bbbad2 100644 --- a/src/doc/rustc-dev-guide/src/implementing_new_features.md +++ b/src/doc/rustc-dev-guide/src/implementing_new_features.md @@ -44,7 +44,7 @@ like this; for example, the compiler team recommends filing a Major Change Proposal ([MCP][mcp]) as a lightweight way to garner support and feedback without requiring full consensus. -[mcp]: https://forge.rust-lang.org/compiler/mcp.html#public-facing-changes-require-rfcbot-fcp +[mcp]: https://forge.rust-lang.org/compiler/proposals-and-stabilization.html#how-do-i-submit-an-mcp You don't need to have the implementation fully ready for r+ to propose an FCP, but it is generally a good idea to have at least a proof diff --git a/src/doc/rustc-dev-guide/src/tests/running.md b/src/doc/rustc-dev-guide/src/tests/running.md index ab97fbf9654..73c38736812 100644 --- a/src/doc/rustc-dev-guide/src/tests/running.md +++ b/src/doc/rustc-dev-guide/src/tests/running.md @@ -18,7 +18,7 @@ a subset of test collections, and merge queue CI will exercise all of the test collection. -```bash +```text ./x test ``` @@ -45,7 +45,7 @@ tests. For example, a good "smoke test" that can be used after modifying rustc to see if things are generally working correctly would be to exercise the `ui` test suite ([`tests/ui`]): -```bash +```text ./x test tests/ui ``` @@ -53,14 +53,14 @@ Of course, the choice of test suites is somewhat arbitrary, and may not suit the task you are doing. For example, if you are hacking on debuginfo, you may be better off with the debuginfo test suite: -```bash +```text ./x test tests/debuginfo ``` If you only need to test a specific subdirectory of tests for any given test suite, you can pass that directory as a filter to `./x test`: -```bash +```text ./x test tests/ui/const-generics ``` @@ -73,7 +73,7 @@ suite, you can pass that directory as a filter to `./x test`: Likewise, you can test a single file by passing its path: -```bash +```text ./x test tests/ui/const-generics/const-test.rs ``` @@ -81,19 +81,19 @@ Likewise, you can test a single file by passing its path: have to use the `--test-args` argument as described [below](#running-an-individual-test). -```bash +```text ./x test src/tools/miri --test-args tests/fail/uninit/padding-enum.rs ``` ### Run only the tidy script -```bash +```text ./x test tidy ``` ### Run tests on the standard library -```bash +```text ./x test --stage 0 library/std ``` @@ -102,13 +102,13 @@ crates, you have to specify those explicitly. ### Run the tidy script and tests on the standard library -```bash +```text ./x test --stage 0 tidy library/std ``` ### Run tests on the standard library using a stage 1 compiler -```bash +```text ./x test --stage 1 library/std ``` @@ -122,7 +122,7 @@ the tests **usually** work fine with stage 1, there are some limitations. ### Run all tests using a stage 2 compiler -```bash +```text ./x test --stage 2 ``` @@ -134,13 +134,13 @@ You almost never need to do this; CI will run these tests for you. You may want to run unit tests on a specific file with following: -```bash +```text ./x test compiler/rustc_data_structures/src/thin_vec/tests.rs ``` But unfortunately, it's impossible. You should invoke the following instead: -```bash +```text ./x test compiler/rustc_data_structures/ --test-args thin_vec ``` @@ -151,7 +151,7 @@ often the test they are trying to fix. As mentioned earlier, you may pass the full file path to achieve this, or alternatively one may invoke `x` with the `--test-args` option: -```bash +```text ./x test tests/ui --test-args issue-1234 ``` @@ -203,7 +203,7 @@ When `--pass $mode` is passed, these tests will be forced to run under the given `$mode` unless the directive `//@ ignore-pass` exists in the test file. For example, you can run all the tests in `tests/ui` as `check-pass`: -```bash +```text ./x test tests/ui --pass check ``` @@ -219,7 +219,7 @@ first look for expected output in `foo.polonius.stderr`, falling back to the usual `foo.stderr` if not found. The following will run the UI test suite in Polonius mode: -```bash +```text ./x test tests/ui --compare-mode=polonius ``` @@ -232,7 +232,7 @@ just `.rs` files, so after [creating a rustup toolchain](../building/how-to-build-and-run.md#creating-a-rustup-toolchain), you can do something like: -```bash +```text rustc +stage1 tests/ui/issue-1234.rs ``` @@ -252,7 +252,7 @@ execution* so be careful where it is used. To do this, first build `remote-test-server` for the remote machine, e.g. for RISC-V -```sh +```text ./x build src/tools/remote-test-server --target riscv64gc-unknown-linux-gnu ``` @@ -264,7 +264,7 @@ On the remote machine, run the `remote-test-server` with the `--bind 0.0.0.0:12345` flag (and optionally `-v` for verbose output). Output should look like this: -```sh +```text $ ./remote-test-server -v --bind 0.0.0.0:12345 starting test server listening on 0.0.0.0:12345! @@ -278,7 +278,7 @@ restrictive IP address when binding. You can test if the `remote-test-server` is working by connecting to it and sending `ping\n`. It should reply `pong`: -```sh +```text $ nc $REMOTE_IP 12345 ping pong @@ -288,7 +288,7 @@ To run tests using the remote runner, set the `TEST_DEVICE_ADDR` environment variable then use `x` as usual. For example, to run `ui` tests for a RISC-V machine with the IP address `1.2.3.4` use -```sh +```text export TEST_DEVICE_ADDR="1.2.3.4:12345" ./x test tests/ui --target riscv64gc-unknown-linux-gnu ``` @@ -296,7 +296,7 @@ export TEST_DEVICE_ADDR="1.2.3.4:12345" If `remote-test-server` was run with the verbose flag, output on the test machine may look something like -``` +```text [...] run "/tmp/work/test1007/a" run "/tmp/work/test1008/a" @@ -362,21 +362,21 @@ codegen-backends = ["llvm", "gcc"] Then you need to install libgccjit 12. For example with `apt`: -```bash -$ apt install libgccjit-12-dev +```text +apt install libgccjit-12-dev ``` Now you can run the following command: -```bash -$ ./x test compiler/rustc_codegen_gcc/ +```text +./x test compiler/rustc_codegen_gcc/ ``` If it cannot find the `.so` library (if you installed it with `apt` for example), you need to pass the library file path with `LIBRARY_PATH`: -```bash -$ LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/12/ ./x test compiler/rustc_codegen_gcc/ +```text +LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/12/ ./x test compiler/rustc_codegen_gcc/ ``` If you encounter bugs or problems, don't hesitate to open issues on the diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 8a95c6dd5e6..81c55ecaa7a 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -318,7 +318,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "libloading", "linux-raw-sys", "litemap", - "literal-escaper", "lock_api", "log", "matchers", @@ -364,7 +363,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "rustc-rayon", "rustc-rayon-core", "rustc-stable-hash", - "rustc-std-workspace-std", "rustc_apfloat", "rustix", "ruzstd", // via object in thorin-dwp diff --git a/tests/crashes/136286.rs b/tests/crashes/136286.rs deleted file mode 100644 index f0ea14bd167..00000000000 --- a/tests/crashes/136286.rs +++ /dev/null @@ -1,7 +0,0 @@ -//@ known-bug: #136286 -//@ compile-flags: --edition=2024 - -#![feature(async_fn_in_dyn_trait)] -trait A { - async fn b(self: A); -} diff --git a/tests/crashes/137706.rs b/tests/crashes/137706.rs deleted file mode 100644 index 0b46f9c237a..00000000000 --- a/tests/crashes/137706.rs +++ /dev/null @@ -1,7 +0,0 @@ -//@ known-bug: #137706 -//@ needs-rustc-debug-assertions -trait A { - fn b() -> impl IntoIterator; -} - -impl A<()> for dyn A {} diff --git a/tests/crashes/137895.rs b/tests/crashes/137895.rs deleted file mode 100644 index bb624d2e9fa..00000000000 --- a/tests/crashes/137895.rs +++ /dev/null @@ -1,6 +0,0 @@ -//@ known-bug: #137895 -trait A { - fn b() -> impl ?Sized + 'a; -} - -impl A for dyn A {} diff --git a/tests/mir-opt/coverage/branch_match_arms.main.InstrumentCoverage.diff b/tests/mir-opt/coverage/branch_match_arms.main.InstrumentCoverage.diff index e9f48a85f9c..8e1cdb7182b 100644 --- a/tests/mir-opt/coverage/branch_match_arms.main.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/branch_match_arms.main.InstrumentCoverage.diff @@ -26,7 +26,6 @@ debug a => _9; } -+ coverage body span: $DIR/branch_match_arms.rs:14:11: 21:2 (#0) + coverage Code { bcb: bcb0 } => $DIR/branch_match_arms.rs:14:1: 15:21 (#0); + coverage Code { bcb: bcb1 } => $DIR/branch_match_arms.rs:16:17: 16:33 (#0); + coverage Code { bcb: bcb3 } => $DIR/branch_match_arms.rs:17:17: 17:33 (#0); diff --git a/tests/mir-opt/coverage/instrument_coverage.bar.InstrumentCoverage.diff b/tests/mir-opt/coverage/instrument_coverage.bar.InstrumentCoverage.diff index cbef6de917d..06e5f011c76 100644 --- a/tests/mir-opt/coverage/instrument_coverage.bar.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/instrument_coverage.bar.InstrumentCoverage.diff @@ -4,8 +4,7 @@ fn bar() -> bool { let mut _0: bool; -+ coverage body span: $DIR/instrument_coverage.rs:29:18: 31:2 (#0) -+ coverage Code { bcb: bcb0 } => $DIR/instrument_coverage.rs:29:1: 31:2 (#0); ++ coverage Code { bcb: bcb0 } => $DIR/instrument_coverage.rs:27:1: 29:2 (#0); + bb0: { + Coverage::VirtualCounter(bcb0); diff --git a/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff b/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff index b166d79a412..1a71cb8dea7 100644 --- a/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff @@ -7,12 +7,11 @@ let mut _2: bool; let mut _3: !; -+ coverage body span: $DIR/instrument_coverage.rs:14:11: 20:2 (#0) -+ coverage Code { bcb: bcb0 } => $DIR/instrument_coverage.rs:14:1: 14:11 (#0); -+ coverage Code { bcb: bcb1 } => $DIR/instrument_coverage.rs:16:12: 16:17 (#0); -+ coverage Code { bcb: bcb2 } => $DIR/instrument_coverage.rs:17:13: 17:18 (#0); -+ coverage Code { bcb: bcb3 } => $DIR/instrument_coverage.rs:18:10: 18:10 (#0); -+ coverage Code { bcb: bcb2 } => $DIR/instrument_coverage.rs:20:2: 20:2 (#0); ++ coverage Code { bcb: bcb0 } => $DIR/instrument_coverage.rs:13:1: 13:11 (#0); ++ coverage Code { bcb: bcb1 } => $DIR/instrument_coverage.rs:15:12: 15:17 (#0); ++ coverage Code { bcb: bcb2 } => $DIR/instrument_coverage.rs:16:13: 16:18 (#0); ++ coverage Code { bcb: bcb3 } => $DIR/instrument_coverage.rs:17:10: 17:10 (#0); ++ coverage Code { bcb: bcb2 } => $DIR/instrument_coverage.rs:19:2: 19:2 (#0); + bb0: { + Coverage::VirtualCounter(bcb0); diff --git a/tests/mir-opt/coverage/instrument_coverage.rs b/tests/mir-opt/coverage/instrument_coverage.rs index 48647402d0f..d4ed4b67375 100644 --- a/tests/mir-opt/coverage/instrument_coverage.rs +++ b/tests/mir-opt/coverage/instrument_coverage.rs @@ -7,7 +7,6 @@ // EMIT_MIR instrument_coverage.main.InstrumentCoverage.diff // CHECK-LABEL: fn main() -// CHECK: coverage body span: // CHECK: coverage Code { bcb: bcb{{[0-9]+}} } => // CHECK: bb0: // CHECK: Coverage::VirtualCounter @@ -21,7 +20,6 @@ fn main() { // EMIT_MIR instrument_coverage.bar.InstrumentCoverage.diff // CHECK-LABEL: fn bar() -// CHECK: coverage body span: // CHECK: coverage Code { bcb: bcb{{[0-9]+}} } => // CHECK: bb0: // CHECK: Coverage::VirtualCounter diff --git a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff index 855f806aae1..1a22adeba6f 100644 --- a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff +++ b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff @@ -7,7 +7,6 @@ coverage branch { true: BlockMarkerId(0), false: BlockMarkerId(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0) - coverage body span: $DIR/instrument_coverage_cleanup.rs:13:11: 15:2 (#0) coverage Code { bcb: bcb0 } => $DIR/instrument_coverage_cleanup.rs:13:1: 14:36 (#0); coverage Code { bcb: bcb3 } => $DIR/instrument_coverage_cleanup.rs:14:37: 14:39 (#0); coverage Code { bcb: bcb1 } => $DIR/instrument_coverage_cleanup.rs:14:39: 14:39 (#0); diff --git a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff index df1f1e8bc50..b77969a3e16 100644 --- a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff @@ -7,7 +7,6 @@ coverage branch { true: BlockMarkerId(0), false: BlockMarkerId(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0) -+ coverage body span: $DIR/instrument_coverage_cleanup.rs:13:11: 15:2 (#0) + coverage Code { bcb: bcb0 } => $DIR/instrument_coverage_cleanup.rs:13:1: 14:36 (#0); + coverage Code { bcb: bcb3 } => $DIR/instrument_coverage_cleanup.rs:14:37: 14:39 (#0); + coverage Code { bcb: bcb1 } => $DIR/instrument_coverage_cleanup.rs:14:39: 14:39 (#0); diff --git a/tests/ui/async-await/dyn/mut-is-pointer-like.rs b/tests/ui/async-await/dyn/mut-is-pointer-like.rs index 93e8281164c..a82567e372e 100644 --- a/tests/ui/async-await/dyn/mut-is-pointer-like.rs +++ b/tests/ui/async-await/dyn/mut-is-pointer-like.rs @@ -1,11 +1,9 @@ //@ aux-build:block-on.rs //@ edition: 2021 -//@ run-pass -//@ check-run-results +//@ known-bug: #133119 #![allow(refining_impl_trait)] #![feature(async_fn_in_dyn_trait)] -//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete extern crate block_on; diff --git a/tests/ui/async-await/dyn/mut-is-pointer-like.stderr b/tests/ui/async-await/dyn/mut-is-pointer-like.stderr index 7c72ce43cf0..bf20473924b 100644 --- a/tests/ui/async-await/dyn/mut-is-pointer-like.stderr +++ b/tests/ui/async-await/dyn/mut-is-pointer-like.stderr @@ -1,5 +1,5 @@ warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/mut-is-pointer-like.rs:7:12 + --> $DIR/mut-is-pointer-like.rs:6:12 | LL | #![feature(async_fn_in_dyn_trait)] | ^^^^^^^^^^^^^^^^^^^^^ @@ -7,5 +7,65 @@ LL | #![feature(async_fn_in_dyn_trait)] = note: see issue #133119 for more information = note: `#[warn(incomplete_features)]` on by default -warning: 1 warning emitted +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/mut-is-pointer-like.rs:35:16 + | +LL | let x: Pin<&mut dyn AsyncTrait> = f; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/mut-is-pointer-like.rs:16:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +... +LL | async fn async_dispatch(self: Pin<&mut Self>) -> Self::Output; + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/mut-is-pointer-like.rs:35:56 + | +LL | let x: Pin<&mut dyn AsyncTrait> = f; + | ^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/mut-is-pointer-like.rs:16:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +... +LL | async fn async_dispatch(self: Pin<&mut Self>) -> Self::Output; + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = note: required for the cast from `Pin<&mut {async block@$DIR/mut-is-pointer-like.rs:32:32: 32:37}>` to `Pin<&mut dyn AsyncTrait>` + +error[E0277]: the trait bound `dyn AsyncTrait: AsyncTrait` is not satisfied + --> $DIR/mut-is-pointer-like.rs:36:11 + | +LL | x.async_dispatch().await; + | ^^^^^^^^^^^^^^ the trait `AsyncTrait` is not implemented for `dyn AsyncTrait` + +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/mut-is-pointer-like.rs:36:9 + | +LL | x.async_dispatch().await; + | ^^^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/mut-is-pointer-like.rs:16:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +... +LL | async fn async_dispatch(self: Pin<&mut Self>) -> Self::Output; + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + +error: aborting due to 4 previous errors; 1 warning emitted + +Some errors have detailed explanations: E0038, E0277. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/async-await/dyn/works.rs b/tests/ui/async-await/dyn/works.rs index 0732a3ee2f2..f406a7b593f 100644 --- a/tests/ui/async-await/dyn/works.rs +++ b/tests/ui/async-await/dyn/works.rs @@ -1,11 +1,9 @@ //@ aux-build:block-on.rs //@ edition: 2021 -//@ run-pass -//@ check-run-results +//@ known-bug: #133119 #![allow(refining_impl_trait)] #![feature(async_fn_in_dyn_trait)] -//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete extern crate block_on; diff --git a/tests/ui/async-await/dyn/works.stderr b/tests/ui/async-await/dyn/works.stderr index 2c7db7c32f5..47abeab5aac 100644 --- a/tests/ui/async-await/dyn/works.stderr +++ b/tests/ui/async-await/dyn/works.stderr @@ -1,5 +1,5 @@ warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/works.rs:7:12 + --> $DIR/works.rs:6:12 | LL | #![feature(async_fn_in_dyn_trait)] | ^^^^^^^^^^^^^^^^^^^^^ @@ -7,5 +7,75 @@ LL | #![feature(async_fn_in_dyn_trait)] = note: see issue #133119 for more information = note: `#[warn(incomplete_features)]` on by default -warning: 1 warning emitted +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/works.rs:27:34 + | +LL | let x: &dyn AsyncTrait = &"hello, world!"; + | ^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/works.rs:14:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +LL | async fn async_dispatch(&self); + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. + = note: required for the cast from `&&'static str` to `&dyn AsyncTrait` +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/works.rs:27:16 + | +LL | let x: &dyn AsyncTrait = &"hello, world!"; + | ^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/works.rs:14:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +LL | async fn async_dispatch(&self); + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. + +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/works.rs:28:11 + | +LL | x.async_dispatch().await; + | ^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/works.rs:14:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +LL | async fn async_dispatch(&self); + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. + +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/works.rs:28:9 + | +LL | x.async_dispatch().await; + | ^^^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/works.rs:14:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +LL | async fn async_dispatch(&self); + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. + +error: aborting due to 4 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/async-await/dyn/wrong-size.rs b/tests/ui/async-await/dyn/wrong-size.rs index ac15dd26067..f5fce3648ac 100644 --- a/tests/ui/async-await/dyn/wrong-size.rs +++ b/tests/ui/async-await/dyn/wrong-size.rs @@ -1,7 +1,7 @@ //@ edition: 2021 +//@ known-bug: #133119 #![feature(async_fn_in_dyn_trait)] -//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete use std::future::Future; @@ -19,5 +19,5 @@ impl AsyncTrait for &'static str { fn main() { let x: &dyn AsyncTrait = &"hello, world!"; - //~^ ERROR `impl Future` needs to have the same ABI as a pointer + // FIXME ~^ ERROR `impl Future` needs to have the same ABI as a pointer } diff --git a/tests/ui/async-await/dyn/wrong-size.stderr b/tests/ui/async-await/dyn/wrong-size.stderr index 0202b5f2409..b4684f4fc17 100644 --- a/tests/ui/async-await/dyn/wrong-size.stderr +++ b/tests/ui/async-await/dyn/wrong-size.stderr @@ -1,5 +1,5 @@ warning: the feature `async_fn_in_dyn_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/wrong-size.rs:3:12 + --> $DIR/wrong-size.rs:4:12 | LL | #![feature(async_fn_in_dyn_trait)] | ^^^^^^^^^^^^^^^^^^^^^ @@ -7,15 +7,41 @@ LL | #![feature(async_fn_in_dyn_trait)] = note: see issue #133119 for more information = note: `#[warn(incomplete_features)]` on by default -error[E0277]: `impl Future` needs to have the same ABI as a pointer +error[E0038]: the trait `AsyncTrait` is not dyn compatible --> $DIR/wrong-size.rs:21:30 | LL | let x: &dyn AsyncTrait = &"hello, world!"; - | ^^^^^^^^^^^^^^^^ `impl Future` needs to be a pointer-like type + | ^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible | - = help: the trait `for<'a> PointerLike` is not implemented for `impl Future` +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/wrong-size.rs:9:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +LL | async fn async_dispatch(&self); + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. = note: required for the cast from `&&'static str` to `&dyn AsyncTrait` -error: aborting due to 1 previous error; 1 warning emitted +error[E0038]: the trait `AsyncTrait` is not dyn compatible + --> $DIR/wrong-size.rs:21:12 + | +LL | let x: &dyn AsyncTrait = &"hello, world!"; + | ^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible + | +note: for a trait to be dyn compatible it needs to allow building a vtable + for more information, visit + --> $DIR/wrong-size.rs:9:14 + | +LL | trait AsyncTrait { + | ---------- this trait is not dyn compatible... +LL | async fn async_dispatch(&self); + | ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async` + = help: consider moving `async_dispatch` to another trait + = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead. -For more information about this error, try `rustc --explain E0277`. +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/feature-gates/literal-escaper.rs b/tests/ui/feature-gates/literal-escaper.rs deleted file mode 100644 index 7c145fca7de..00000000000 --- a/tests/ui/feature-gates/literal-escaper.rs +++ /dev/null @@ -1,3 +0,0 @@ -#![crate_type = "lib"] - -extern crate literal_escaper; //~ ERROR diff --git a/tests/ui/feature-gates/literal-escaper.stderr b/tests/ui/feature-gates/literal-escaper.stderr deleted file mode 100644 index edddb6504f5..00000000000 --- a/tests/ui/feature-gates/literal-escaper.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? - --> $DIR/literal-escaper.rs:3:1 - | -LL | extern crate literal_escaper; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #27812 for more information - = help: add `#![feature(rustc_private)]` to the crate attributes to enable - = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/proc-macro/auxiliary/api/literal.rs b/tests/ui/proc-macro/auxiliary/api/literal.rs index 941de1521ad..7109340bb64 100644 --- a/tests/ui/proc-macro/auxiliary/api/literal.rs +++ b/tests/ui/proc-macro/auxiliary/api/literal.rs @@ -1,11 +1,10 @@ // ignore-tidy-linelength -use proc_macro::{ConversionErrorKind, Literal}; +use proc_macro::Literal; pub fn test() { test_display_literal(); test_parse_literal(); - test_str_value_methods(); } fn test_display_literal() { @@ -82,53 +81,3 @@ fn test_parse_literal() { assert!("- 10".parse::().is_err()); assert!("-'x'".parse::().is_err()); } - -fn test_str_value_methods() { - // Testing `str_value` - let lit = "\"\n\"".parse::().unwrap(); - assert_eq!(lit.str_value(), Ok("\n".to_string())); - - let lit = "r#\"\n\"#".parse::().unwrap(); - assert_eq!(lit.str_value(), Ok("\n".to_string())); - - let lit = "1".parse::().unwrap(); - assert_eq!(lit.str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "b\"\n\"".parse::().unwrap(); - assert_eq!(lit.str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "c\"\n\"".parse::().unwrap(); - assert_eq!(lit.str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - // Testing `cstr_value` - let lit = "\"\n\"".parse::().unwrap(); - assert_eq!(lit.cstr_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "r#\"\n\"#".parse::().unwrap(); - assert_eq!(lit.cstr_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "1".parse::().unwrap(); - assert_eq!(lit.cstr_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "b\"\n\"".parse::().unwrap(); - assert_eq!(lit.cstr_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "c\"\n\"".parse::().unwrap(); - assert_eq!(lit.cstr_value(), Ok(vec![b'\n', 0])); - - // Testing `byte_str_value` - let lit = "\"\n\"".parse::().unwrap(); - assert_eq!(lit.byte_str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "r#\"\n\"#".parse::().unwrap(); - assert_eq!(lit.byte_str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "1".parse::().unwrap(); - assert_eq!(lit.byte_str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); - - let lit = "b\"\n\"".parse::().unwrap(); - assert_eq!(lit.byte_str_value(), Ok(vec![b'\n'])); - - let lit = "c\"\n\"".parse::().unwrap(); - assert_eq!(lit.byte_str_value(), Err(ConversionErrorKind::InvalidLiteralKind)); -} diff --git a/tests/ui/proc-macro/auxiliary/api/proc_macro_api_tests.rs b/tests/ui/proc-macro/auxiliary/api/proc_macro_api_tests.rs index 390d46852cd..abd667d8ce1 100644 --- a/tests/ui/proc-macro/auxiliary/api/proc_macro_api_tests.rs +++ b/tests/ui/proc-macro/auxiliary/api/proc_macro_api_tests.rs @@ -1,7 +1,6 @@ //@ edition: 2021 #![feature(proc_macro_span)] -#![feature(proc_macro_value)] #![deny(dead_code)] // catch if a test function is never called extern crate proc_macro;