diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index a3731e94276b5..31a184fe921e7 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -55,9 +55,6 @@ ast_passes_const_without_body = ast_passes_constraint_on_negative_bound = associated type constraints not allowed on negative bounds -ast_passes_deprecated_where_clause_location = - where clause not allowed here - ast_passes_equality_in_where = equality constraints are not yet supported in `where` clauses .label = not supported .suggestion = if `{$ident}` is an associated type you're trying to set, use the associated type binding syntax @@ -80,8 +77,6 @@ ast_passes_extern_types_cannot = `type`s inside `extern` blocks cannot have {$de .suggestion = remove the {$remove_descr} .label = `extern` block begins here -ast_passes_extern_without_abi = extern declarations without an explicit ABI are deprecated - ast_passes_feature_on_non_nightly = `#![feature]` may not be used on the {$channel} release channel .suggestion = remove the attribute .stable_since = the feature `{$name}` has been stable since `{$since}` and no longer requires an attribute to enable diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 9d07683f8d665..c57be3cdf3532 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -27,7 +27,6 @@ use std::ops::{Deref, DerefMut}; use thin_vec::thin_vec; use crate::errors; -use crate::fluent_generated as fluent; /// Is `self` allowed semantically as the first parameter in an `FnDecl`? enum SelfSemantic { @@ -766,11 +765,10 @@ impl<'a> AstValidator<'a> { .span_to_snippet(span) .is_ok_and(|snippet| !snippet.starts_with("#[")) { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( MISSING_ABI, id, span, - fluent::ast_passes_extern_without_abi, BuiltinLintDiag::MissingAbi(span, abi::Abi::FALLBACK), ) } @@ -1428,17 +1426,15 @@ impl<'a> Visitor<'a> for AstValidator<'a> { Self::check_decl_no_pat(&sig.decl, |span, ident, mut_ident| { if mut_ident && matches!(ctxt, FnCtxt::Assoc(_)) { if let Some(ident) = ident { - let msg = match ctxt { - FnCtxt::Foreign => fluent::ast_passes_pattern_in_foreign, - _ => fluent::ast_passes_pattern_in_bodiless, - }; - let diag = BuiltinLintDiag::PatternsInFnsWithoutBody(span, ident); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( PATTERNS_IN_FNS_WITHOUT_BODY, id, span, - msg, - diag, + BuiltinLintDiag::PatternsInFnsWithoutBody { + span, + ident, + is_foreign: matches!(ctxt, FnCtxt::Foreign), + }, ) } } else { @@ -1510,12 +1506,11 @@ impl<'a> Visitor<'a> for AstValidator<'a> { Some((right, snippet)) } }; - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( DEPRECATED_WHERE_CLAUSE_LOCATION, item.id, err.span, - fluent::ast_passes_deprecated_where_clause_location, - BuiltinLintDiag::DeprecatedWhereclauseLocation(sugg), + BuiltinLintDiag::DeprecatedWhereclauseLocation(err.span, sugg), ); } diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 25a125f83935b..a95a7bdaf6da5 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -669,6 +669,7 @@ pub struct ConstAndCVariadic { #[derive(Diagnostic)] #[diag(ast_passes_pattern_in_foreign, code = E0130)] +// FIXME: deduplicate with rustc_lint (`BuiltinLintDiag::PatternsInFnsWithoutBody`) pub struct PatternInForeign { #[primary_span] #[label] @@ -677,6 +678,7 @@ pub struct PatternInForeign { #[derive(Diagnostic)] #[diag(ast_passes_pattern_in_bodiless, code = E0642)] +// FIXME: deduplicate with rustc_lint (`BuiltinLintDiag::PatternsInFnsWithoutBody`) pub struct PatternInBodiless { #[primary_span] #[label] diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs index c08bf28773362..5113c5adc8f7a 100644 --- a/compiler/rustc_attr/src/builtin.rs +++ b/compiler/rustc_attr/src/builtin.rs @@ -528,15 +528,10 @@ pub fn cfg_matches( try_gate_cfg(cfg.name, cfg.span, sess, features); match sess.psess.check_config.expecteds.get(&cfg.name) { Some(ExpectedValues::Some(values)) if !values.contains(&cfg.value) => { - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( UNEXPECTED_CFGS, cfg.span, lint_node_id, - if let Some(value) = cfg.value { - format!("unexpected `cfg` condition value: `{value}`") - } else { - format!("unexpected `cfg` condition value: (none)") - }, BuiltinLintDiag::UnexpectedCfgValue( (cfg.name, cfg.name_span), cfg.value.map(|v| (v, cfg.value_span.unwrap())), @@ -544,11 +539,10 @@ pub fn cfg_matches( ); } None if sess.psess.check_config.exhaustive_names => { - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( UNEXPECTED_CFGS, cfg.span, lint_node_id, - format!("unexpected `cfg` condition name: `{}`", cfg.name), BuiltinLintDiag::UnexpectedCfgName( (cfg.name, cfg.name_span), cfg.value.map(|v| (v, cfg.value_span.unwrap())), diff --git a/compiler/rustc_builtin_macros/messages.ftl b/compiler/rustc_builtin_macros/messages.ftl index 0f15899031938..a3d6a1c736072 100644 --- a/compiler/rustc_builtin_macros/messages.ftl +++ b/compiler/rustc_builtin_macros/messages.ftl @@ -247,5 +247,3 @@ builtin_macros_unexpected_lit = expected path to a trait, found literal .label = not a trait .str_lit = try using `#[derive({$sym})]` .other = for example, write `#[derive(Debug)]` for `Debug` - -builtin_macros_unnameable_test_items = cannot test inner items diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index 49b1b8cf99268..1a7961bf70c11 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -1,6 +1,7 @@ use crate::errors; use crate::util::expr_to_spanned_string; use ast::token::IdentIsRaw; +use lint::BuiltinLintDiag; use rustc_ast as ast; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter}; @@ -513,7 +514,7 @@ fn expand_preparsed_asm( lint::builtin::BAD_ASM_STYLE, find_span(".intel_syntax"), ecx.current_expansion.lint_node_id, - "avoid using `.intel_syntax`, Intel syntax is the default", + BuiltinLintDiag::AvoidUsingIntelSyntax, ); } if template_str.contains(".att_syntax") { @@ -521,7 +522,7 @@ fn expand_preparsed_asm( lint::builtin::BAD_ASM_STYLE, find_span(".att_syntax"), ecx.current_expansion.lint_node_id, - "avoid using `.att_syntax`, prefer using `options(att_syntax)` instead", + BuiltinLintDiag::AvoidUsingAttSyntax, ); } } diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 46949f731aaab..217fa5ff9f1e5 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -1621,14 +1621,13 @@ impl<'a> TraitDef<'a> { }; if let Some(ty) = exception { - cx.sess.psess.buffer_lint_with_diagnostic( + cx.sess.psess.buffer_lint( BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE, sp, ast::CRATE_NODE_ID, - format!( - "{ty} slice in a packed struct that derives a built-in trait" - ), - rustc_lint_defs::BuiltinLintDiag::ByteSliceInPackedStructWithDerive, + rustc_lint_defs::BuiltinLintDiag::ByteSliceInPackedStructWithDerive { + ty: ty.to_string(), + }, ); } else { // Wrap the expression in `{...}`, causing a copy. diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs index a5fc74f1d6669..5cb0407bd59e6 100644 --- a/compiler/rustc_builtin_macros/src/format.rs +++ b/compiler/rustc_builtin_macros/src/format.rs @@ -556,7 +556,6 @@ fn make_format_args( let arg_name = args.explicit_args()[index].kind.ident().unwrap(); ecx.buffered_early_lint.push(BufferedEarlyLint { span: arg_name.span.into(), - msg: format!("named argument `{}` is not used by name", arg_name.name).into(), node_id: rustc_ast::CRATE_NODE_ID, lint_id: LintId::of(NAMED_ARGUMENTS_USED_POSITIONALLY), diagnostic: BuiltinLintDiag::NamedArgumentUsedPositionally { diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index 47b2ee975ca89..29e991525a9be 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -11,6 +11,7 @@ use rustc_expand::base::{ resolve_path, DummyResult, ExpandResult, ExtCtxt, MacEager, MacResult, MacroExpanderResult, }; use rustc_expand::module::DirOwnership; +use rustc_lint_defs::BuiltinLintDiag; use rustc_parse::new_parser_from_file; use rustc_parse::parser::{ForceCollect, Parser}; use rustc_session::lint::builtin::INCOMPLETE_INCLUDE; @@ -147,7 +148,7 @@ pub(crate) fn expand_include<'cx>( INCOMPLETE_INCLUDE, self.p.token.span, self.node_id, - "include macro expected single expression in source", + BuiltinLintDiag::IncompleteInclude, ); } Some(expr) diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index 8cf431482ff73..38ac2f15fe757 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -9,6 +9,7 @@ use rustc_ast::{attr, ModKind}; use rustc_expand::base::{ExtCtxt, ResolverExpand}; use rustc_expand::expand::{AstFragment, ExpansionConfig}; use rustc_feature::Features; +use rustc_lint_defs::BuiltinLintDiag; use rustc_session::lint::builtin::UNNAMEABLE_TEST_ITEMS; use rustc_session::Session; use rustc_span::hygiene::{AstPass, SyntaxContext, Transparency}; @@ -163,7 +164,7 @@ impl<'a> Visitor<'a> for InnerItemLinter<'_> { UNNAMEABLE_TEST_ITEMS, attr.span, i.id, - crate::fluent_generated::builtin_macros_unnameable_test_items, + BuiltinLintDiag::UnnameableTestItems, ); } } diff --git a/compiler/rustc_builtin_macros/src/util.rs b/compiler/rustc_builtin_macros/src/util.rs index 8dc7bc14ec3e6..652e34268ea92 100644 --- a/compiler/rustc_builtin_macros/src/util.rs +++ b/compiler/rustc_builtin_macros/src/util.rs @@ -5,7 +5,7 @@ use rustc_errors::{Applicability, Diag, ErrorGuaranteed}; use rustc_expand::base::{Annotatable, ExpandResult, ExtCtxt}; use rustc_expand::expand::AstFragment; use rustc_feature::AttributeTemplate; -use rustc_lint_defs::builtin::DUPLICATE_MACRO_ATTRIBUTES; +use rustc_lint_defs::{builtin::DUPLICATE_MACRO_ATTRIBUTES, BuiltinLintDiag}; use rustc_parse::{parser, validate_attr}; use rustc_session::errors::report_lit_error; use rustc_span::{BytePos, Span, Symbol}; @@ -46,7 +46,7 @@ pub(crate) fn warn_on_duplicate_attribute(ecx: &ExtCtxt<'_>, item: &Annotatable, DUPLICATE_MACRO_ATTRIBUTES, attr.span, ecx.current_expansion.lint_node_id, - "duplicated attribute", + BuiltinLintDiag::DuplicateMacroAttribute, ); } } diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 4bf7dccab9238..662c8a7b8be07 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -282,6 +282,12 @@ impl IntoDiagArg for ClosureKind { } } +impl IntoDiagArg for hir::def::Namespace { + fn into_diag_arg(self) -> DiagArgValue { + DiagArgValue::Str(Cow::Borrowed(self.descr())) + } +} + #[derive(Clone)] pub struct DiagSymbolList(Vec); diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 12868a666056d..91af8758e5167 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1364,18 +1364,15 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { }; if crate_matches { - // FIXME: make this translatable - #[allow(rustc::untranslatable_diagnostic)] - sess.psess.buffer_lint_with_diagnostic( - PROC_MACRO_BACK_COMPAT, - item.ident.span, - ast::CRATE_NODE_ID, - "using an old version of `rental`", - BuiltinLintDiag::ProcMacroBackCompat( - "older versions of the `rental` crate will stop compiling in future versions of Rust; \ - please update to `rental` v0.5.6, or switch to one of the `rental` alternatives".to_string() - ) - ); + sess.psess.buffer_lint( + PROC_MACRO_BACK_COMPAT, + item.ident.span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::ProcMacroBackCompat { + crate_name: "rental".to_string(), + fixed_version: "0.5.6".to_string(), + }, + ); return true; } } diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index 35f0d8abffc57..badfa6d3aa323 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -14,6 +14,7 @@ use rustc_attr as attr; use rustc_data_structures::flat_map_in_place::FlatMapInPlace; use rustc_feature::Features; use rustc_feature::{ACCEPTED_FEATURES, REMOVED_FEATURES, UNSTABLE_FEATURES}; +use rustc_lint_defs::BuiltinLintDiag; use rustc_parse::validate_attr; use rustc_session::parse::feature_err; use rustc_session::Session; @@ -248,7 +249,6 @@ impl<'a> StripUnconfigured<'a> { /// Gives a compiler warning when the `cfg_attr` contains no attributes and /// is in the original source file. Gives a compiler error if the syntax of /// the attribute is incorrect. - #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable pub(crate) fn expand_cfg_attr(&self, attr: &Attribute, recursive: bool) -> Vec { let Some((cfg_predicate, expanded_attrs)) = rustc_parse::parse_cfg_attr(attr, &self.sess.psess) @@ -262,7 +262,7 @@ impl<'a> StripUnconfigured<'a> { rustc_lint_defs::builtin::UNUSED_ATTRIBUTES, attr.span, ast::CRATE_NODE_ID, - "`#[cfg_attr]` does not expand to any attributes", + BuiltinLintDiag::CfgAttrNoAttributes, ); } @@ -283,7 +283,6 @@ impl<'a> StripUnconfigured<'a> { } } - #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable fn expand_cfg_attr_item( &self, attr: &Attribute, @@ -346,7 +345,7 @@ impl<'a> StripUnconfigured<'a> { rustc_lint_defs::builtin::DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, attr.span, ast::CRATE_NODE_ID, - "`crate_type` within an `#![cfg_attr] attribute is deprecated`", + BuiltinLintDiag::CrateTypeInCfgAttr, ); } if attr.has_name(sym::crate_name) { @@ -354,7 +353,7 @@ impl<'a> StripUnconfigured<'a> { rustc_lint_defs::builtin::DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, attr.span, ast::CRATE_NODE_ID, - "`crate_name` within an `#![cfg_attr] attribute is deprecated`", + BuiltinLintDiag::CrateNameInCfgAttr, ); } attr diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index a049ac251e1e7..d8f0f221189ad 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -1799,11 +1799,10 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { } if attr.is_doc_comment() { - self.cx.sess.psess.buffer_lint_with_diagnostic( + self.cx.sess.psess.buffer_lint( UNUSED_DOC_COMMENTS, current_span, self.cx.current_expansion.lint_node_id, - "unused doc comment", BuiltinLintDiag::UnusedDocComment(attr.span), ); } else if rustc_attr::is_builtin_attr(attr) { @@ -1811,11 +1810,10 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { // `#[cfg]` and `#[cfg_attr]` are special - they are // eagerly evaluated. if attr_name != sym::cfg && attr_name != sym::cfg_attr { - self.cx.sess.psess.buffer_lint_with_diagnostic( + self.cx.sess.psess.buffer_lint( UNUSED_ATTRIBUTES, attr.span, self.cx.current_expansion.lint_node_id, - format!("unused attribute `{attr_name}`"), BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name: pprust::path_to_string(&call.path), diff --git a/compiler/rustc_expand/src/mbe/macro_check.rs b/compiler/rustc_expand/src/mbe/macro_check.rs index dce8e0c36edf7..72dbbde54b310 100644 --- a/compiler/rustc_expand/src/mbe/macro_check.rs +++ b/compiler/rustc_expand/src/mbe/macro_check.rs @@ -110,7 +110,8 @@ use crate::mbe::{KleeneToken, TokenTree}; use rustc_ast::token::{Delimiter, IdentIsRaw, Token, TokenKind}; use rustc_ast::{NodeId, DUMMY_NODE_ID}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{DiagMessage, MultiSpan}; +use rustc_errors::MultiSpan; +use rustc_lint_defs::BuiltinLintDiag; use rustc_session::lint::builtin::{META_VARIABLE_MISUSE, MISSING_FRAGMENT_SPECIFIER}; use rustc_session::parse::ParseSess; use rustc_span::symbol::kw; @@ -252,7 +253,7 @@ fn check_binders( // 1. The meta-variable is already bound in the current LHS: This is an error. let mut span = MultiSpan::from_span(span); span.push_span_label(prev_info.span, "previous declaration"); - buffer_lint(psess, span, node_id, "duplicate matcher binding"); + buffer_lint(psess, span, node_id, BuiltinLintDiag::DuplicateMatcherBinding); } else if get_binder_info(macros, binders, name).is_none() { // 2. The meta-variable is free: This is a binder. binders.insert(name, BinderInfo { span, ops: ops.into() }); @@ -271,7 +272,7 @@ fn check_binders( MISSING_FRAGMENT_SPECIFIER, span, node_id, - "missing fragment specifier", + BuiltinLintDiag::MissingFragmentSpecifier, ); } if !macros.is_empty() { @@ -595,7 +596,7 @@ fn check_ops_is_prefix( return; } } - buffer_lint(psess, span.into(), node_id, format!("unknown macro variable `{name}`")); + buffer_lint(psess, span.into(), node_id, BuiltinLintDiag::UnknownMacroVariable(name)); } /// Returns whether `binder_ops` is a prefix of `occurrence_ops`. @@ -628,8 +629,7 @@ fn ops_is_prefix( if i >= occurrence_ops.len() { let mut span = MultiSpan::from_span(span); span.push_span_label(binder.span, "expected repetition"); - let message = format!("variable '{name}' is still repeating at this depth"); - buffer_lint(psess, span, node_id, message); + buffer_lint(psess, span, node_id, BuiltinLintDiag::MetaVariableStillRepeating(name)); return; } let occurrence = &occurrence_ops[i]; @@ -637,21 +637,15 @@ fn ops_is_prefix( let mut span = MultiSpan::from_span(span); span.push_span_label(binder.span, "expected repetition"); span.push_span_label(occurrence.span, "conflicting repetition"); - let message = "meta-variable repeats with different Kleene operator"; - buffer_lint(psess, span, node_id, message); + buffer_lint(psess, span, node_id, BuiltinLintDiag::MetaVariableWrongOperator); return; } } } -fn buffer_lint( - psess: &ParseSess, - span: MultiSpan, - node_id: NodeId, - message: impl Into, -) { +fn buffer_lint(psess: &ParseSess, span: MultiSpan, node_id: NodeId, diag: BuiltinLintDiag) { // Macros loaded from other crates have dummy node ids. if node_id != DUMMY_NODE_ID { - psess.buffer_lint(META_VARIABLE_MISUSE, span, node_id, message); + psess.buffer_lint(META_VARIABLE_MISUSE, span, node_id, diag); } } diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 8f18055f83817..d99ecb6108520 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -79,11 +79,10 @@ impl<'a> ParserAnyMacro<'a> { // but `m!()` is allowed in expression positions (cf. issue #34706). if kind == AstFragmentKind::Expr && parser.token == token::Semi { if is_local { - parser.psess.buffer_lint_with_diagnostic( + parser.psess.buffer_lint( SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, parser.token.span, lint_node_id, - "trailing semicolon in macro used in expression position", BuiltinLintDiag::TrailingMacro(is_trailing_mac, macro_ident), ); } @@ -1154,11 +1153,10 @@ fn check_matcher_core<'tt>( name, Some(NonterminalKind::PatParam { inferred: false }), )); - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( RUST_2021_INCOMPATIBLE_OR_PATTERNS, span, ast::CRATE_NODE_ID, - "the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro", BuiltinLintDiag::OrPatternsBackCompat(span, suggestion), ); } diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index ce2382b950193..987e48a1a76ff 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -399,31 +399,17 @@ pub(crate) fn check_attr_crate_type( if let ast::MetaItemKind::NameValue(spanned) = a.meta_kind().unwrap() { let span = spanned.span; - let lev_candidate = find_best_match_for_name( + let candidate = find_best_match_for_name( &CRATE_TYPES.iter().map(|(k, _)| *k).collect::>(), n, None, ); - if let Some(candidate) = lev_candidate { - lint_buffer.buffer_lint_with_diagnostic( - lint::builtin::UNKNOWN_CRATE_TYPES, - ast::CRATE_NODE_ID, - span, - "invalid `crate_type` value", - BuiltinLintDiag::UnknownCrateTypes( - span, - "did you mean".to_string(), - format!("\"{candidate}\""), - ), - ); - } else { - lint_buffer.buffer_lint( - lint::builtin::UNKNOWN_CRATE_TYPES, - ast::CRATE_NODE_ID, - span, - "invalid `crate_type` value", - ); - } + lint_buffer.buffer_lint( + lint::builtin::UNKNOWN_CRATE_TYPES, + ast::CRATE_NODE_ID, + span, + BuiltinLintDiag::UnknownCrateTypes { span, candidate }, + ); } } else { // This is here mainly to check for using a macro, such as diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index cf9d089ff626a..6f6480a496413 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -1,7 +1,20 @@ +lint_abs_path_with_module = absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition + .suggestion = use `crate` + +lint_ambiguous_glob_reexport = ambiguous glob re-exports + .label_first_reexport = the name `{$name}` in the {$namespace} namespace is first re-exported here + .label_duplicate_reexport = but the name `{$name}` in the {$namespace} namespace is also re-exported here + lint_ambiguous_wide_pointer_comparisons = ambiguous wide pointer comparison, the comparison includes metadata which may not be expected .addr_metadata_suggestion = use explicit `std::ptr::eq` method to compare metadata and addresses .addr_suggestion = use `std::ptr::addr_eq` or untyped pointers to only compare their addresses +lint_associated_const_elided_lifetime = {$elided -> + [true] `&` without an explicit lifetime name cannot be used here + *[false] `'_` cannot be used here + } + .suggestion = use the `'static` lifetime + lint_async_fn_in_trait = use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified .note = you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` .suggestion = you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change @@ -19,10 +32,19 @@ lint_atomic_ordering_load = atomic loads cannot have `Release` or `AcqRel` order lint_atomic_ordering_store = atomic stores cannot have `Acquire` or `AcqRel` ordering .help = consider using ordering modes `Release`, `SeqCst` or `Relaxed` +lint_avoid_att_syntax = + avoid using `.att_syntax`, prefer using `options(att_syntax)` instead + +lint_avoid_intel_syntax = + avoid using `.intel_syntax`, Intel syntax is the default + lint_bad_attribute_argument = bad attribute argument lint_bad_opt_access = {$msg} +lint_break_with_label_and_loop = this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression + .suggestion = wrap this expression in parentheses + lint_builtin_allow_internal_unsafe = `allow_internal_unsafe` allows defining macros using unsafe without triggering the `unsafe_code` lint at their call site @@ -30,6 +52,8 @@ lint_builtin_anonymous_params = anonymous parameters are deprecated and will be .suggestion = try naming the parameter or explicitly ignoring it lint_builtin_asm_labels = avoid using named labels in inline assembly + .help = only local labels of the form `:` should be used in inline asm + .note = see the asm section of Rust By Example for more information lint_builtin_box_pointers = type uses owned (Box type) pointers: {$ty} @@ -154,6 +178,12 @@ lint_builtin_unused_doc_comment = unused doc comment lint_builtin_while_true = denote infinite loops with `loop {"{"} ... {"}"}` .suggestion = use `loop` +lint_byte_slice_in_packed_struct_with_derive = {$ty} slice in a packed struct that derives a built-in trait + .help = consider implementing the trait by hand, or remove the `packed` attribute + +lint_cfg_attr_no_attributes = + `#[cfg_attr]` does not expand to any attributes + lint_check_name_unknown_tool = unknown lint tool: `{$tool_name}` lint_command_line_source = `forbid` lint level was set on command line @@ -162,12 +192,20 @@ lint_confusable_identifier_pair = found both `{$existing_sym}` and `{$sym}` as i .current_use = this identifier can be confused with `{$existing_sym}` .other_use = other identifier used here +lint_crate_name_in_cfg_attr_deprecated = + `crate_name` within an `#![cfg_attr]` attribute is deprecated + +lint_crate_type_in_cfg_attr_deprecated = + `crate_type` within an `#![cfg_attr]` attribute is deprecated + lint_cstring_ptr = getting the inner pointer of a temporary `CString` .as_ptr_label = this pointer will be invalid .unwrap_label = this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime .note = pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned .help = for more information, see https://doc.rust-lang.org/reference/destructors.html +lint_custom_inner_attribute_unstable = custom inner attributes are unstable + lint_default_hash_types = prefer `{$preferred}` over `{$used}`, it has better performance .note = a `use rustc_data_structures::fx::{$preferred}` may be necessary @@ -178,6 +216,11 @@ lint_deprecated_lint_name = .suggestion = change it to .help = change it to {$replace} +lint_deprecated_where_clause_location = where clause not allowed here + .note = see issue #89122 for more information + .suggestion_move_to_end = move it to the end of the type declaration + .suggestion_remove_where = remove this `where` + lint_diag_out_of_impl = diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls @@ -195,6 +238,11 @@ lint_dropping_references = calls to `std::mem::drop` with a reference instead of .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result +lint_duplicate_macro_attribute = + duplicated attribute + +lint_duplicate_matcher_binding = duplicate matcher binding + lint_enum_intrinsics_mem_discriminant = the return value of `mem::discriminant` is unspecified when called with a non-enum type .note = the argument to `discriminant` should be a reference to an enum, but it was passed a reference to a `{$ty_param}`, which is not an enum. @@ -207,6 +255,13 @@ lint_expectation = this lint expectation is unfulfilled .note = the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message .rationale = {$rationale} +lint_extern_crate_not_idiomatic = `extern crate` is not idiomatic in the new edition + .suggestion = convert it to a `use` + +lint_extern_without_abi = extern declarations without an explicit ABI are deprecated + .label = ABI should be specified here + .help = the default ABI is {$default_abi} + lint_for_loops_over_fallibles = for loop over {$article} `{$ty}`. This is more readably written as an `if let` statement .suggestion = consider using `if let` to clear intent @@ -221,6 +276,12 @@ lint_forgetting_references = calls to `std::mem::forget` with a reference instea .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result +lint_hidden_glob_reexport = private item shadows public glob re-export + .note_glob_reexport = the name `{$name}` in the {$namespace} namespace is supposed to be publicly re-exported here + .note_private_item = but the private item here shadows it + +lint_hidden_lifetime_parameters = hidden lifetime parameters in types are deprecated + lint_hidden_unicode_codepoints = unicode codepoint changing visible direction of text present in {$label} .label = this {$label} contains {$count -> [one] an invisible @@ -262,6 +323,11 @@ lint_identifier_uncommon_codepoints = identifier contains {$codepoints_len -> lint_ignored_unless_crate_specified = {$level}({$name}) is ignored unless specified at crate level +lint_ill_formed_attribute_input = {$num_suggestions -> + [1] attribute must be of the form {$suggestions} + *[other] valid forms for the attribute are {$suggestions} + } + lint_impl_trait_overcaptures = `{$self_ty}` will capture more lifetimes than possibly intended in edition 2024 .note = specifically, {$num_captured -> [one] this lifetime is @@ -332,6 +398,14 @@ lint_improper_ctypes_union_layout_help = consider adding a `#[repr(C)]` or `#[re lint_improper_ctypes_union_layout_reason = this union has unspecified layout lint_improper_ctypes_union_non_exhaustive = this union is non-exhaustive +lint_incomplete_include = + include macro expected single expression in source + +lint_inner_macro_attribute_unstable = inner macro attributes are unstable + +lint_invalid_crate_type_value = invalid `crate_type` value + .suggestion = did you mean + # FIXME: we should ordinalize $valid_up_to when we add support for doing so lint_invalid_from_utf8_checked = calls to `{$method}` with a invalid literal always return an error .label = the literal was valid UTF-8 up to the {$valid_up_to} bytes @@ -360,9 +434,22 @@ lint_invalid_reference_casting_note_book = for more information, visit `, which means the only information carried by the iterator is the number of items .suggestion = you might have meant to use `Iterator::for_each` +lint_metavariable_still_repeating = variable '{$name}' is still repeating at this depth + +lint_metavariable_wrong_operator = meta-variable repeats with different Kleene operator + +lint_missing_fragment_specifier = missing fragment specifier + lint_mixed_script_confusables = the usage of Script Group `{$set}` in this crate consists solely of mixed script confusables .includes_note = the usage includes {$includes} @@ -379,6 +472,11 @@ lint_mixed_script_confusables = lint_multiple_supertrait_upcastable = `{$ident}` is object-safe and has multiple supertraits +lint_named_argument_used_positionally = named argument `{$named_arg_name}` is not used by name + .label_named_arg = this named argument is referred to by position in formatting string + .label_position_arg = this formatting argument uses named argument `{$named_arg_name}` by position + .suggestion = use the named argument by name to avoid ambiguity + lint_node_source = `forbid` level set here .note = {$reason} @@ -490,6 +588,9 @@ lint_opaque_hidden_inferred_bound = opaque type `{$ty}` does not satisfy its ass lint_opaque_hidden_inferred_bound_sugg = add this bound +lint_or_patterns_back_compat = the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + .suggestion = use pat_param to preserve semantics + lint_overflowing_bin_hex = literal out of range for `{$ty}` .negative_note = the literal `{$lit}` (decimal `{$dec}`) does not fit into the type `{$ty}` .negative_becomes_note = and the value `-{$lit}` will become `{$actually}{$ty}` @@ -519,6 +620,21 @@ lint_path_statement_drop = path statement drops value lint_path_statement_no_effect = path statement with no effect +lint_pattern_in_bodiless = patterns aren't allowed in functions without bodies + .label = pattern not allowed in function without body + +lint_pattern_in_foreign = patterns aren't allowed in foreign function declarations + .label = pattern not allowed in foreign function + +lint_private_extern_crate_reexport = + extern crate `{$ident}` is private, and cannot be re-exported (error E0365), consider declaring with `pub` + +lint_proc_macro_back_compat = using an old version of `{$crate_name}` + .note = older versions of the `{$crate_name}` crate will stop compiling in future versions of Rust; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives + +lint_proc_macro_derive_resolution_fallback = cannot find {$ns} `{$ident}` in this scope + .label = names from parent modules are not accessible without an explicit import + lint_ptr_null_checks_fn_ptr = function pointers are not nullable, so checking them for null will always return false .help = wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value .label = expression has type `{$orig_ty}` @@ -540,6 +656,16 @@ lint_reason_must_be_string_literal = reason must be a string literal lint_reason_must_come_last = reason in lint attribute must come last +lint_redundant_import = the item `{$ident}` is imported redundantly + .label_imported_here = the item `{ident}` is already imported here + .label_defined_here = the item `{ident}` is already defined here + .label_imported_prelude = the item `{ident}` is already imported by the extern prelude + .label_defined_prelude = the item `{ident}` is already defined by the extern prelude + +lint_redundant_import_visibility = glob import doesn't reexport anything with visibility `{$import_vis}` because no imported item is public enough + .note = the most public imported item is `{$max_vis}` + .help = reduce the glob import's visibility or increase visibility of imported items + lint_redundant_semicolons = unnecessary trailing {$multiple -> [true] semicolons @@ -550,6 +676,8 @@ lint_redundant_semicolons = *[false] this semicolon } +lint_remove_mut_from_pattern = remove `mut` from the parameter + lint_removed_lint = lint `{$name}` has been removed: {$reason} lint_renamed_lint = lint `{$name}` has been renamed to `{$replace}` @@ -558,6 +686,10 @@ lint_renamed_lint = lint `{$name}` has been renamed to `{$replace}` lint_requested_level = requested on the command line with `{$level} {$lint_name}` +lint_reserved_prefix = prefix `{$prefix}` is unknown + .label = unknown prefix + .suggestion = insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + lint_shadowed_into_iter = this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<{$target} as IntoIterator>::into_iter` in Rust {$edition} .use_iter_suggestion = use `.iter()` instead of `.into_iter()` to avoid ambiguity @@ -565,6 +697,11 @@ lint_shadowed_into_iter = .use_explicit_into_iter_suggestion = or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value +lint_single_use_lifetime = lifetime parameter `{$ident}` only used once + .label_param = this lifetime... + .label_use = ...is used only here + .suggestion = elide the single-use lifetime + lint_span_use_eq_ctxt = use `.eq_ctxt()` instead of `.ctxt() == .ctxt()` lint_supertrait_as_deref_target = this `Deref` implementation is covered by an implicit supertrait coercion @@ -578,6 +715,10 @@ lint_suspicious_double_ref_clone = lint_suspicious_double_ref_deref = using `.deref()` on a double reference, which returns `{$ty}` instead of dereferencing the inner type +lint_trailing_semi_macro = trailing semicolon in macro used in expression position + .note1 = macro invocations at the end of a block are treated as expressions + .note2 = to ignore the value produced by the macro, add a semicolon after the invocation of `{$name}` + lint_ty_qualified = usage of qualified `ty::{$ty}` .suggestion = try importing it and using it unqualified @@ -591,12 +732,64 @@ lint_undropped_manually_drops = calls to `std::mem::drop` with `std::mem::Manual .label = argument has type `{$arg_ty}` .suggestion = use `std::mem::ManuallyDrop::into_inner` to get the inner value +lint_unexpected_cfg_add_build_rs_println = or consider adding `{$build_rs_println}` to the top of the `build.rs` +lint_unexpected_cfg_add_cargo_feature = consider using a Cargo feature instead +lint_unexpected_cfg_add_cargo_toml_lint_cfg = or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:{$cargo_toml_lint_cfg} +lint_unexpected_cfg_add_cmdline_arg = to expect this configuration use `{$cmdline_arg}` +lint_unexpected_cfg_define_features = consider defining some features in `Cargo.toml` +lint_unexpected_cfg_doc_cargo = see for more information about checking conditional configuration +lint_unexpected_cfg_doc_rustc = see for more information about checking conditional configuration + +lint_unexpected_cfg_name = unexpected `cfg` condition name: `{$name}` +lint_unexpected_cfg_name_expected_names = expected names are: {$possibilities}{$and_more -> + [0] {""} + *[other] {" "}and {$and_more} more + } +lint_unexpected_cfg_name_expected_values = expected values for `{$best_match}` are: {$possibilities} +lint_unexpected_cfg_name_similar_name = there is a config with a similar name +lint_unexpected_cfg_name_similar_name_different_values = there is a config with a similar name and different values +lint_unexpected_cfg_name_similar_name_no_value = there is a config with a similar name and no value +lint_unexpected_cfg_name_similar_name_value = there is a config with a similar name and value +lint_unexpected_cfg_name_with_similar_value = found config with similar value + +lint_unexpected_cfg_value = unexpected `cfg` condition value: {$has_value -> + [true] `{$value}` + *[false] (none) + } +lint_unexpected_cfg_value_add_feature = consider adding `{$value}` as a feature in `Cargo.toml` +lint_unexpected_cfg_value_expected_values = expected values for `{$name}` are: {$have_none_possibility -> + [true] {"(none), "} + *[false] {""} + }{$possibilities}{$and_more -> + [0] {""} + *[other] {" "}and {$and_more} more + } +lint_unexpected_cfg_value_no_expected_value = no expected value for `{$name}` +lint_unexpected_cfg_value_no_expected_values = no expected values for `{$name}` +lint_unexpected_cfg_value_remove_condition = remove the condition +lint_unexpected_cfg_value_remove_value = remove the value +lint_unexpected_cfg_value_similar_name = there is a expected value with a similar name +lint_unexpected_cfg_value_specify_value = specify a config value + lint_ungated_async_fn_track_caller = `#[track_caller]` on async functions is a no-op .label = this function will not propagate the caller location +lint_unicode_text_flow = unicode codepoint changing visible direction of text present in comment + .label = {$num_codepoints -> + [1] this comment contains an invisible unicode text flow control codepoint + *[other] this comment contains invisible unicode text flow control codepoints + } + .note = these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen + .suggestion = if their presence wasn't intentional, you can remove them + .label_comment_char = {$c_debug} + + lint_unit_bindings = binding has unit type `()` .label = this pattern is inferred to be the unit type `()` +lint_unknown_diagnostic_attribute = unknown diagnostic attribute +lint_unknown_diagnostic_attribute_typo_sugg = an attribute with a similar name exists + lint_unknown_gated_lint = unknown lint: `{$name}` .note = the `{$name}` lint is unstable @@ -612,9 +805,16 @@ lint_unknown_lint = *[false] did you mean: `{$replace}` } +lint_unknown_macro_variable = unknown macro variable `{$name}` + lint_unknown_tool_in_scoped_lint = unknown tool name `{$tool_name}` found in scoped lint: `{$tool_name}::{$lint_name}` .help = add `#![register_tool({$tool_name})]` to the crate root +lint_unnameable_test_items = cannot test inner items + +lint_unnecessary_qualification = unnecessary qualification + .suggestion = remove the unnecessary path segments + lint_unsupported_group = `{$lint_group}` lint group is not supported with ´--force-warn´ lint_untranslatable_diag = diagnostics should be created using translatable messages @@ -622,6 +822,9 @@ lint_untranslatable_diag = diagnostics should be created using translatable mess lint_unused_allocation = unnecessary allocation, use `&` instead lint_unused_allocation_mut = unnecessary allocation, use `&mut` instead +lint_unused_builtin_attribute = unused attribute `{$attr_name}` + .note = the built-in attribute `{$attr_name}` will be ignored, since it's applied to the macro invocation `{$macro_name}` + lint_unused_closure = unused {$pre}{$count -> [one] closure @@ -638,14 +841,43 @@ lint_unused_coroutine = }{$post} that must be used .note = coroutines are lazy and do nothing unless resumed +lint_unused_crate_dependency = external crate `{$extern_crate}` unused in `{$local_crate}`: remove the dependency or add `use {$extern_crate} as _;` + lint_unused_def = unused {$pre}`{$def}`{$post} that must be used .suggestion = use `let _ = ...` to ignore the resulting value lint_unused_delim = unnecessary {$delim} around {$item} .suggestion = remove these {$delim} +lint_unused_doc_comment = unused doc comment + .label = rustdoc does not generate documentation for macro invocations + .help = to document an item produced by a macro, the macro must produce the documentation as part of its expansion + +lint_unused_extern_crate = unused extern crate + .suggestion = remove it + lint_unused_import_braces = braces around {$node} is unnecessary +lint_unused_imports = {$num_snippets -> + [one] unused import: {$span_snippets} + *[other] unused imports: {$span_snippets} + } + .suggestion_remove_whole_use = remove the whole `use` item + .suggestion_remove_imports = {$num_to_remove -> + [one] remove the unused import + *[other] remove the unused imports + } + .help = if this is a test module, consider adding a `#[cfg(test)]` to the containing module + +lint_unused_label = unused label + +lint_unused_lifetime = lifetime parameter `{$ident}` never used + .suggestion = elide the unused lifetime + +lint_unused_macro_definition = unused macro definition: `{$name}` + +lint_unused_macro_use = unused `#[macro_use]` import + lint_unused_op = unused {$op} that must be used .label = the {$op} produces a value .suggestion = use `let _ = ...` to ignore the resulting value @@ -654,3 +886,6 @@ lint_unused_result = unused result of type `{$ty}` lint_variant_size_differences = enum variant is more than three times larger ({$largest} bytes) than the next largest + +lint_wasm_c_abi = + older versions of the `wasm-bindgen` crate will be incompatible with future versions of Rust; please update to `wasm-bindgen` v0.2.88 diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 6b9f9d1531ea1..0f059bceae7cb 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -30,10 +30,10 @@ use crate::{ BuiltinExplicitOutlivesSuggestion, BuiltinFeatureIssueNote, BuiltinIncompleteFeatures, BuiltinIncompleteFeaturesHelp, BuiltinInternalFeatures, BuiltinKeywordIdents, BuiltinMissingCopyImpl, BuiltinMissingDebugImpl, BuiltinMissingDoc, - BuiltinMutablesTransmutes, BuiltinNoMangleGeneric, BuiltinNonShorthandFieldPatterns, - BuiltinSpecialModuleNameUsed, BuiltinTrivialBounds, BuiltinTypeAliasGenericBounds, - BuiltinTypeAliasGenericBoundsSuggestion, BuiltinTypeAliasWhereClause, - BuiltinUngatedAsyncFnTrackCaller, BuiltinUnpermittedTypeInit, + BuiltinMutablesTransmutes, BuiltinNamedAsmLabel, BuiltinNoMangleGeneric, + BuiltinNonShorthandFieldPatterns, BuiltinSpecialModuleNameUsed, BuiltinTrivialBounds, + BuiltinTypeAliasGenericBounds, BuiltinTypeAliasGenericBoundsSuggestion, + BuiltinTypeAliasWhereClause, BuiltinUngatedAsyncFnTrackCaller, BuiltinUnpermittedTypeInit, BuiltinUnpermittedTypeInitSub, BuiltinUnreachablePub, BuiltinUnsafe, BuiltinUnstableFeatures, BuiltinUnusedDocComment, BuiltinUnusedDocCommentSub, BuiltinWhileTrue, SuggestChangingAssocTypes, @@ -60,7 +60,7 @@ use rustc_middle::ty::GenericArgKind; use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::Upcast; use rustc_middle::ty::{self, Ty, TyCtxt, VariantDef}; -use rustc_session::lint::{BuiltinLintDiag, FutureIncompatibilityReason}; +use rustc_session::lint::FutureIncompatibilityReason; use rustc_session::{declare_lint, declare_lint_pass, impl_lint_pass}; use rustc_span::edition::Edition; use rustc_span::source_map::Spanned; @@ -2882,16 +2882,7 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { let target_spans: MultiSpan = if spans.len() > 0 { spans.into() } else { (*template_span).into() }; - cx.span_lint_with_diagnostics( - NAMED_ASM_LABELS, - Some(target_spans), - fluent::lint_builtin_asm_labels, - |_| {}, - BuiltinLintDiag::NamedAsmLabel( - "only local labels of the form `:` should be used in inline asm" - .to_string(), - ), - ); + cx.emit_span_lint(NAMED_ASM_LABELS, target_spans, BuiltinNamedAsmLabel); } } } diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 62ba9ef5c113a..deeb3ae090c57 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -527,30 +527,24 @@ pub struct EarlyContext<'a> { pub buffered: LintBuffer, } -pub trait LintContext { - fn sess(&self) -> &Session; - +impl EarlyContext<'_> { /// Emit a lint at the appropriate level, with an optional associated span and an existing /// diagnostic. /// /// [`lint_level`]: rustc_middle::lint::lint_level#decorate-signature #[rustc_lint_diagnostics] - fn span_lint_with_diagnostics( + pub fn span_lint_with_diagnostics( &self, lint: &'static Lint, - span: Option>, - msg: impl Into, - decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), + span: MultiSpan, diagnostic: BuiltinLintDiag, ) { - // We first generate a blank diagnostic. - self.opt_span_lint(lint, span, msg, |db| { - // Now, set up surrounding context. - diagnostics::builtin(self.sess(), diagnostic, db); - // Rewrap `db`, and pass control to the user. - decorate(db) - }); + diagnostics::emit_buffered_lint(self, lint, span, diagnostic) } +} + +pub trait LintContext { + fn sess(&self) -> &Session; // FIXME: These methods should not take an Into -- instead, callers should need to // set the span in their `decorate` function (preferably using set_span). diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 5ad3ff71a6d4a..236eeee615218 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -1,58 +1,57 @@ #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] +use std::borrow::Cow; + use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; -use rustc_errors::{elided_lifetime_in_path_suggestion, Diag}; -use rustc_errors::{Applicability, SuggestionStyle}; +use rustc_errors::Applicability; +use rustc_errors::{elided_lifetime_in_path_suggestion, DiagArgValue, MultiSpan}; use rustc_middle::middle::stability; -use rustc_session::lint::BuiltinLintDiag; -use rustc_session::Session; +use rustc_session::lint::{BuiltinLintDiag, Lint}; use rustc_span::BytePos; +use crate::{lints, EarlyContext, LintContext as _}; + mod check_cfg; -pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Diag<'_, ()>) { +pub(super) fn emit_buffered_lint( + ctx: &EarlyContext<'_>, + lint: &'static Lint, + span: MultiSpan, + diagnostic: BuiltinLintDiag, +) { + let sess = ctx.sess(); match diagnostic { - BuiltinLintDiag::UnicodeTextFlow(span, content) => { + BuiltinLintDiag::UnicodeTextFlow(comment_span, content) => { let spans: Vec<_> = content .char_indices() .filter_map(|(i, c)| { TEXT_FLOW_CONTROL_CHARS.contains(&c).then(|| { - let lo = span.lo() + BytePos(2 + i as u32); - (c, span.with_lo(lo).with_hi(lo + BytePos(c.len_utf8() as u32))) + let lo = comment_span.lo() + BytePos(2 + i as u32); + (c, comment_span.with_lo(lo).with_hi(lo + BytePos(c.len_utf8() as u32))) }) }) .collect(); - let (an, s) = match spans.len() { - 1 => ("an ", ""), - _ => ("", "s"), - }; - diag.span_label( + let characters = spans + .iter() + .map(|&(c, span)| lints::UnicodeCharNoteSub { span, c_debug: format!("{c:?}") }) + .collect(); + let suggestions = (!spans.is_empty()).then_some(lints::UnicodeTextFlowSuggestion { + spans: spans.iter().map(|(_c, span)| *span).collect(), + }); + ctx.emit_span_lint( + lint, span, - format!( - "this comment contains {an}invisible unicode text flow control codepoint{s}", - ), - ); - for (c, span) in &spans { - diag.span_label(*span, format!("{c:?}")); - } - diag.note( - "these kind of unicode codepoints change the way text flows on \ - applications that support them, but can cause confusion because they \ - change the order of characters on the screen", - ); - if !spans.is_empty() { - diag.multipart_suggestion_with_style( - "if their presence wasn't intentional, you can remove them", - spans.into_iter().map(|(_, span)| (span, "".to_string())).collect(), - Applicability::MachineApplicable, - SuggestionStyle::HideCodeAlways, - ); - } - } - BuiltinLintDiag::Normal => (), - BuiltinLintDiag::AbsPathWithModule(span) => { - let (sugg, app) = match sess.source_map().span_to_snippet(span) { + lints::UnicodeTextFlow { + comment_span, + characters, + suggestions, + num_codepoints: spans.len(), + }, + ) + } + BuiltinLintDiag::AbsPathWithModule(mod_span) => { + let (replacement, applicability) = match sess.source_map().span_to_snippet(mod_span) { Ok(ref s) => { // FIXME(Manishearth) ideally the emitting code // can tell us whether or not this is global @@ -62,160 +61,207 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di } Err(_) => ("crate::".to_string(), Applicability::HasPlaceholders), }; - diag.span_suggestion(span, "use `crate`", sugg, app); - } - BuiltinLintDiag::ProcMacroDeriveResolutionFallback(span) => { - diag.span_label( + ctx.emit_span_lint( + lint, span, - "names from parent modules are not accessible without an explicit import", + lints::AbsPathWithModule { + sugg: lints::AbsPathWithModuleSugg { + span: mod_span, + applicability, + replacement, + }, + }, ); } - BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def) => { - diag.span_note(span_def, "the macro is defined here"); - } + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident } => ctx + .emit_span_lint( + lint, + span, + lints::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident }, + ), + BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def) => ctx + .emit_span_lint( + lint, + span, + lints::MacroExpandedMacroExportsAccessedByAbsolutePaths { definition: span_def }, + ), BuiltinLintDiag::ElidedLifetimesInPaths(n, path_span, incl_angl_brckt, insertion_span) => { - diag.subdiagnostic( - sess.dcx(), - elided_lifetime_in_path_suggestion( - sess.source_map(), - n, - path_span, - incl_angl_brckt, - insertion_span, - ), + ctx.emit_span_lint( + lint, + span, + lints::ElidedLifetimesInPaths { + subdiag: elided_lifetime_in_path_suggestion( + sess.source_map(), + n, + path_span, + incl_angl_brckt, + insertion_span, + ), + }, ); } - BuiltinLintDiag::UnknownCrateTypes(span, note, sugg) => { - diag.span_suggestion(span, note, sugg, Applicability::MaybeIncorrect); - } - BuiltinLintDiag::UnusedImports(message, replaces, in_test_module) => { - if !replaces.is_empty() { - diag.tool_only_multipart_suggestion( - message, - replaces, - Applicability::MachineApplicable, - ); - } + BuiltinLintDiag::UnknownCrateTypes { span, candidate } => { + let sugg = candidate.map(|candidate| lints::UnknownCrateTypesSub { span, candidate }); + ctx.emit_span_lint(lint, span, lints::UnknownCrateTypes { sugg }); + } + BuiltinLintDiag::UnusedImports { + remove_whole_use, + num_to_remove, + remove_spans, + test_module_span, + span_snippets, + } => { + let sugg = if remove_whole_use { + lints::UnusedImportsSugg::RemoveWholeUse { span: remove_spans[0] } + } else { + lints::UnusedImportsSugg::RemoveImports { remove_spans, num_to_remove } + }; + let test_module_span = + test_module_span.map(|span| sess.source_map().guess_head_span(span)); - if let Some(span) = in_test_module { - diag.span_help( - sess.source_map().guess_head_span(span), - "if this is a test module, consider adding a `#[cfg(test)]` to the containing module", - ); - } + ctx.emit_span_lint( + lint, + span, + lints::UnusedImports { + sugg, + test_module_span, + num_snippets: span_snippets.len(), + span_snippets: DiagArgValue::StrListSepByAnd( + span_snippets.into_iter().map(Cow::Owned).collect(), + ), + }, + ); } BuiltinLintDiag::RedundantImport(spans, ident) => { - for (span, is_imported) in spans { - let introduced = if is_imported { "imported" } else { "defined" }; - let span_msg = if span.is_dummy() { "by the extern prelude" } else { "here" }; - diag.span_label( - span, - format!("the item `{ident}` is already {introduced} {span_msg}"), - ); - } - } - BuiltinLintDiag::DeprecatedMacro(suggestion, span) => { - stability::deprecation_suggestion(diag, "macro", suggestion, span) - } - BuiltinLintDiag::UnusedDocComment(span) => { - diag.span_label(span, "rustdoc does not generate documentation for macro invocations"); - diag.help("to document an item produced by a macro, \ - the macro must produce the documentation as part of its expansion"); - } - BuiltinLintDiag::PatternsInFnsWithoutBody(span, ident) => { - diag.span_suggestion( + let subs = spans + .into_iter() + .map(|(span, is_imported)| { + (match (span.is_dummy(), is_imported) { + (false, true) => lints::RedundantImportSub::ImportedHere, + (false, false) => lints::RedundantImportSub::DefinedHere, + (true, true) => lints::RedundantImportSub::ImportedPrelude, + (true, false) => lints::RedundantImportSub::DefinedPrelude, + })(span) + }) + .collect(); + ctx.emit_span_lint(lint, span, lints::RedundantImport { subs, ident }); + } + BuiltinLintDiag::DeprecatedMacro { + suggestion, + suggestion_span, + note, + path, + since_kind, + } => { + let sub = suggestion.map(|suggestion| stability::DeprecationSuggestion { + span: suggestion_span, + kind: "macro".to_owned(), + suggestion, + }); + ctx.emit_span_lint( + lint, span, - "remove `mut` from the parameter", - ident, - Applicability::MachineApplicable, + stability::Deprecated { sub, kind: "macro".to_owned(), path, note, since_kind }, ); } - BuiltinLintDiag::MissingAbi(span, default_abi) => { - diag.span_label(span, "ABI should be specified here"); - diag.help(format!("the default ABI is {}", default_abi.name())); + BuiltinLintDiag::UnusedDocComment(attr_span) => { + ctx.emit_span_lint(lint, span, lints::UnusedDocComment { span: attr_span }); } - BuiltinLintDiag::LegacyDeriveHelpers(span) => { - diag.span_label(span, "the attribute is introduced here"); + BuiltinLintDiag::PatternsInFnsWithoutBody { span: remove_span, ident, is_foreign } => { + let sub = lints::PatternsInFnsWithoutBodySub { ident, span: remove_span }; + + ctx.emit_span_lint( + lint, + span, + if is_foreign { + lints::PatternsInFnsWithoutBody::Foreign { sub } + } else { + lints::PatternsInFnsWithoutBody::Bodiless { sub } + }, + ); } - BuiltinLintDiag::ProcMacroBackCompat(note) => { - diag.note(note); + BuiltinLintDiag::MissingAbi(label_span, default_abi) => { + ctx.emit_span_lint( + lint, + span, + lints::MissingAbi { span: label_span, default_abi: default_abi.name() }, + ); } - BuiltinLintDiag::OrPatternsBackCompat(span, suggestion) => { - diag.span_suggestion( + BuiltinLintDiag::LegacyDeriveHelpers(label_span) => { + ctx.emit_span_lint(lint, span, lints::LegacyDeriveHelpers { span: label_span }); + } + BuiltinLintDiag::ProcMacroBackCompat { crate_name, fixed_version } => { + ctx.emit_span_lint( + lint, span, - "use pat_param to preserve semantics", - suggestion, - Applicability::MachineApplicable, + lints::ProcMacroBackCompat { crate_name, fixed_version }, + ); + } + BuiltinLintDiag::OrPatternsBackCompat(suggestion_span, suggestion) => { + ctx.emit_span_lint( + lint, + span, + lints::OrPatternsBackCompat { span: suggestion_span, suggestion }, ); } - BuiltinLintDiag::ReservedPrefix(span) => { - diag.span_label(span, "unknown prefix"); - diag.span_suggestion_verbose( - span.shrink_to_hi(), - "insert whitespace here to avoid this being parsed as a prefix in Rust 2021", - " ", - Applicability::MachineApplicable, + BuiltinLintDiag::ReservedPrefix(label_span, prefix) => { + ctx.emit_span_lint( + lint, + span, + lints::ReservedPrefix { + label: label_span, + suggestion: label_span.shrink_to_hi(), + prefix, + }, ); } BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name, invoc_span } => { - diag.span_note( - invoc_span, - format!("the built-in attribute `{attr_name}` will be ignored, since it's applied to the macro invocation `{macro_name}`") - ); + ctx.emit_span_lint( + lint, + span, + lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name }, + ); } BuiltinLintDiag::TrailingMacro(is_trailing, name) => { - if is_trailing { - diag.note("macro invocations at the end of a block are treated as expressions"); - diag.note(format!("to ignore the value produced by the macro, add a semicolon after the invocation of `{name}`")); - } - } - BuiltinLintDiag::BreakWithLabelAndLoop(span) => { - diag.multipart_suggestion( - "wrap this expression in parentheses", - vec![ - (span.shrink_to_lo(), "(".to_string()), - (span.shrink_to_hi(), ")".to_string()), - ], - Applicability::MachineApplicable, - ); + ctx.emit_span_lint(lint, span, lints::TrailingMacro { is_trailing, name }); } - BuiltinLintDiag::NamedAsmLabel(help) => { - diag.help(help); - diag.note("see the asm section of Rust By Example for more information"); + BuiltinLintDiag::BreakWithLabelAndLoop(sugg_span) => { + ctx.emit_span_lint( + lint, + span, + lints::BreakWithLabelAndLoop { + sub: lints::BreakWithLabelAndLoopSub { + left: sugg_span.shrink_to_lo(), + right: sugg_span.shrink_to_hi(), + }, + }, + ); } BuiltinLintDiag::UnexpectedCfgName(name, value) => { - check_cfg::unexpected_cfg_name(sess, diag, name, value) + ctx.emit_span_lint(lint, span, check_cfg::unexpected_cfg_name(sess, name, value)); } BuiltinLintDiag::UnexpectedCfgValue(name, value) => { - check_cfg::unexpected_cfg_value(sess, diag, name, value) - } - BuiltinLintDiag::DeprecatedWhereclauseLocation(sugg) => { - let left_sp = diag.span.primary_span().unwrap(); - match sugg { - Some((right_sp, sugg)) => diag.multipart_suggestion( - "move it to the end of the type declaration", - vec![(left_sp, String::new()), (right_sp, sugg)], - Applicability::MachineApplicable, - ), - None => diag.span_suggestion( - left_sp, - "remove this `where`", - "", - Applicability::MachineApplicable, - ), + ctx.emit_span_lint(lint, span, check_cfg::unexpected_cfg_value(sess, name, value)); + } + BuiltinLintDiag::DeprecatedWhereclauseLocation(left_sp, sugg) => { + let suggestion = match sugg { + Some((right_sp, sugg)) => lints::DeprecatedWhereClauseLocationSugg::MoveToEnd { + left: left_sp, + right: right_sp, + sugg, + }, + None => lints::DeprecatedWhereClauseLocationSugg::RemoveWhere { span: left_sp }, }; - diag.note("see issue #89122 for more information"); + ctx.emit_span_lint(lint, span, lints::DeprecatedWhereClauseLocation { suggestion }); } BuiltinLintDiag::SingleUseLifetime { param_span, use_span: Some((use_span, elide)), deletion_span, + ident, } => { debug!(?param_span, ?use_span, ?deletion_span); - diag.span_label(param_span, "this lifetime..."); - diag.span_label(use_span, "...is used only here"); - if let Some(deletion_span) = deletion_span { - let msg = "elide the single-use lifetime"; + let suggestion = if let Some(deletion_span) = deletion_span { let (use_span, replace_lt) = if elide { let use_span = sess.source_map().span_extend_while_whitespace(use_span); (use_span, String::new()) @@ -226,24 +272,22 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di // issue 107998 for the case such as a wrong function pointer type // `deletion_span` is empty and there is no need to report lifetime uses here - let suggestions = if deletion_span.is_empty() { - vec![(use_span, replace_lt)] - } else { - vec![(deletion_span, String::new()), (use_span, replace_lt)] - }; - diag.multipart_suggestion(msg, suggestions, Applicability::MachineApplicable); - } + let deletion_span = + if deletion_span.is_empty() { None } else { Some(deletion_span) }; + Some(lints::SingleUseLifetimeSugg { deletion_span, use_span, replace_lt }) + } else { + None + }; + + ctx.emit_span_lint( + lint, + span, + lints::SingleUseLifetime { suggestion, param_span, use_span, ident }, + ); } - BuiltinLintDiag::SingleUseLifetime { param_span: _, use_span: None, deletion_span } => { + BuiltinLintDiag::SingleUseLifetime { use_span: None, deletion_span, ident, .. } => { debug!(?deletion_span); - if let Some(deletion_span) = deletion_span { - diag.span_suggestion( - deletion_span, - "elide the unused lifetime", - "", - Applicability::MachineApplicable, - ); - } + ctx.emit_span_lint(lint, span, lints::UnusedLifetime { deletion_span, ident }); } BuiltinLintDiag::NamedArgumentUsedPositionally { position_sp_to_replace, @@ -252,19 +296,12 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di named_arg_name, is_formatting_arg, } => { - diag.span_label( - named_arg_sp, - "this named argument is referred to by position in formatting string", - ); - if let Some(positional_arg_for_msg) = position_sp_for_msg { - let msg = format!( - "this formatting argument uses named argument `{named_arg_name}` by position" - ); - diag.span_label(positional_arg_for_msg, msg); - } - - if let Some(positional_arg_to_replace) = position_sp_to_replace { - let name = if is_formatting_arg { named_arg_name + "$" } else { named_arg_name }; + let (suggestion, name) = if let Some(positional_arg_to_replace) = position_sp_to_replace + { + let mut name = named_arg_name.clone(); + if is_formatting_arg { + name.push('$') + }; let span_to_replace = if let Ok(positional_arg_content) = sess.source_map().span_to_snippet(positional_arg_to_replace) && positional_arg_content.starts_with(':') @@ -273,31 +310,40 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di } else { positional_arg_to_replace }; - diag.span_suggestion_verbose( - span_to_replace, - "use the named argument by name to avoid ambiguity", + (Some(span_to_replace), name) + } else { + (None, String::new()) + }; + + ctx.emit_span_lint( + lint, + span, + lints::NamedArgumentUsedPositionally { + named_arg_sp, + position_label_sp: position_sp_for_msg, + suggestion, name, - Applicability::MaybeIncorrect, - ); - } + named_arg_name, + }, + ) } - BuiltinLintDiag::ByteSliceInPackedStructWithDerive => { - diag.help("consider implementing the trait by hand, or remove the `packed` attribute"); + BuiltinLintDiag::ByteSliceInPackedStructWithDerive { ty } => { + ctx.emit_span_lint(lint, span, lints::ByteSliceInPackedStructWithDerive { ty }) } BuiltinLintDiag::UnusedExternCrate { removal_span } => { - diag.span_suggestion(removal_span, "remove it", "", Applicability::MachineApplicable); + ctx.emit_span_lint(lint, span, lints::UnusedExternCrate { removal_span }) } BuiltinLintDiag::ExternCrateNotIdiomatic { vis_span, ident_span } => { let suggestion_span = vis_span.between(ident_span); - diag.span_suggestion_verbose( - suggestion_span, - "convert it to a `use`", - if vis_span.is_empty() { "use " } else { " use " }, - Applicability::MachineApplicable, + let code = if vis_span.is_empty() { "use " } else { " use " }; + ctx.emit_span_lint( + lint, + span, + lints::ExternCrateNotIdiomatic { span: suggestion_span, code }, ); } BuiltinLintDiag::AmbiguousGlobImports { diag: ambiguity } => { - rustc_errors::report_ambiguity_error(diag, ambiguity); + ctx.emit_span_lint(lint, span, lints::AmbiguousGlobImports { ambiguity }); } BuiltinLintDiag::AmbiguousGlobReexports { name, @@ -305,15 +351,15 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di first_reexport_span, duplicate_reexport_span, } => { - diag.span_label( - first_reexport_span, - format!("the name `{name}` in the {namespace} namespace is first re-exported here"), - ); - diag.span_label( - duplicate_reexport_span, - format!( - "but the name `{name}` in the {namespace} namespace is also re-exported here" - ), + ctx.emit_span_lint( + lint, + span, + lints::AmbiguousGlobReexports { + first_reexport: first_reexport_span, + duplicate_reexport: duplicate_reexport_span, + name, + namespace, + }, ); } BuiltinLintDiag::HiddenGlobReexports { @@ -322,38 +368,127 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di glob_reexport_span, private_item_span, } => { - diag.span_note(glob_reexport_span, format!("the name `{name}` in the {namespace} namespace is supposed to be publicly re-exported here")); - diag.span_note(private_item_span, "but the private item here shadows it".to_owned()); - } - BuiltinLintDiag::UnusedQualifications { removal_span } => { - diag.span_suggestion_verbose( - removal_span, - "remove the unnecessary path segments", - "", - Applicability::MachineApplicable, + ctx.emit_span_lint( + lint, + span, + lints::HiddenGlobReexports { + glob_reexport: glob_reexport_span, + private_item: private_item_span, + + name, + namespace, + }, ); } - BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span } => { - diag.span_suggestion_verbose( - if elided { span.shrink_to_hi() } else { span }, - "use the `'static` lifetime", - if elided { "'static " } else { "'static" }, - Applicability::MachineApplicable, - ); + BuiltinLintDiag::UnusedQualifications { removal_span } => { + ctx.emit_span_lint(lint, span, lints::UnusedQualifications { removal_span }); } - BuiltinLintDiag::RedundantImportVisibility { max_vis, span } => { - diag.span_note(span, format!("the most public imported item is `{max_vis}`")); - diag.help( - "reduce the glob import's visibility or increase visibility of imported items", + BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span: lt_span } => { + let lt_span = if elided { lt_span.shrink_to_hi() } else { lt_span }; + let code = if elided { "'static " } else { "'static" }; + ctx.emit_span_lint( + lint, + span, + lints::AssociatedConstElidedLifetime { span: lt_span, code, elided }, ); } - BuiltinLintDiag::MaybeTypo { span, name } => { - diag.span_suggestion_verbose( + BuiltinLintDiag::RedundantImportVisibility { max_vis, span: vis_span, import_vis } => { + ctx.emit_span_lint( + lint, span, - "an attribute with a similar name exists", - name, - Applicability::MachineApplicable, + lints::RedundantImportVisibility { span: vis_span, help: (), max_vis, import_vis }, ); } + BuiltinLintDiag::UnknownDiagnosticAttribute { span: typo_span, typo_name } => { + let typo = typo_name.map(|typo_name| lints::UnknownDiagnosticAttributeTypoSugg { + span: typo_span, + typo_name, + }); + ctx.emit_span_lint(lint, span, lints::UnknownDiagnosticAttribute { typo }); + } + BuiltinLintDiag::MacroUseDeprecated => { + ctx.emit_span_lint(lint, span, lints::MacroUseDeprecated) + } + BuiltinLintDiag::UnusedMacroUse => ctx.emit_span_lint(lint, span, lints::UnusedMacroUse), + BuiltinLintDiag::PrivateExternCrateReexport(ident) => { + ctx.emit_span_lint(lint, span, lints::PrivateExternCrateReexport { ident }) + } + BuiltinLintDiag::UnusedLabel => ctx.emit_span_lint(lint, span, lints::UnusedLabel), + BuiltinLintDiag::MacroIsPrivate(ident) => { + ctx.emit_span_lint(lint, span, lints::MacroIsPrivate { ident }) + } + BuiltinLintDiag::UnusedMacroDefinition(name) => { + ctx.emit_span_lint(lint, span, lints::UnusedMacroDefinition { name }) + } + BuiltinLintDiag::MacroRuleNeverUsed(n, name) => { + ctx.emit_span_lint(lint, span, lints::MacroRuleNeverUsed { n: n + 1, name }) + } + BuiltinLintDiag::UnstableFeature(msg) => { + ctx.emit_span_lint(lint, span, lints::UnstableFeature { msg }) + } + BuiltinLintDiag::AvoidUsingIntelSyntax => { + ctx.emit_span_lint(lint, span, lints::AvoidIntelSyntax) + } + BuiltinLintDiag::AvoidUsingAttSyntax => { + ctx.emit_span_lint(lint, span, lints::AvoidAttSyntax) + } + BuiltinLintDiag::IncompleteInclude => { + ctx.emit_span_lint(lint, span, lints::IncompleteInclude) + } + BuiltinLintDiag::UnnameableTestItems => { + ctx.emit_span_lint(lint, span, lints::UnnameableTestItems) + } + BuiltinLintDiag::DuplicateMacroAttribute => { + ctx.emit_span_lint(lint, span, lints::DuplicateMacroAttribute) + } + BuiltinLintDiag::CfgAttrNoAttributes => { + ctx.emit_span_lint(lint, span, lints::CfgAttrNoAttributes) + } + BuiltinLintDiag::CrateTypeInCfgAttr => { + ctx.emit_span_lint(lint, span, lints::CrateTypeInCfgAttr) + } + BuiltinLintDiag::CrateNameInCfgAttr => { + ctx.emit_span_lint(lint, span, lints::CrateNameInCfgAttr) + } + BuiltinLintDiag::MissingFragmentSpecifier => { + ctx.emit_span_lint(lint, span, lints::MissingFragmentSpecifier) + } + BuiltinLintDiag::MetaVariableStillRepeating(name) => { + ctx.emit_span_lint(lint, span, lints::MetaVariableStillRepeating { name }) + } + BuiltinLintDiag::MetaVariableWrongOperator => { + ctx.emit_span_lint(lint, span, lints::MetaVariableWrongOperator) + } + BuiltinLintDiag::DuplicateMatcherBinding => { + ctx.emit_span_lint(lint, span, lints::DuplicateMatcherBinding) + } + BuiltinLintDiag::UnknownMacroVariable(name) => { + ctx.emit_span_lint(lint, span, lints::UnknownMacroVariable { name }) + } + BuiltinLintDiag::UnusedCrateDependency { extern_crate, local_crate } => ctx.emit_span_lint( + lint, + span, + lints::UnusedCrateDependency { extern_crate, local_crate }, + ), + BuiltinLintDiag::WasmCAbi => ctx.emit_span_lint(lint, span, lints::WasmCAbi), + BuiltinLintDiag::IllFormedAttributeInput { suggestions } => ctx.emit_span_lint( + lint, + span, + lints::IllFormedAttributeInput { + num_suggestions: suggestions.len(), + suggestions: DiagArgValue::StrListSepByAnd( + suggestions.into_iter().map(|s| format!("`{s}`").into()).collect(), + ), + }, + ), + BuiltinLintDiag::InnerAttributeUnstable { is_macro } => ctx.emit_span_lint( + lint, + span, + if is_macro { + lints::InnerAttributeUnstable::InnerMacroAttribute + } else { + lints::InnerAttributeUnstable::CustomInnerAttribute + }, + ), } } diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 3fa04ab75f8d4..020ca1753cf0b 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -1,44 +1,27 @@ -use rustc_errors::{Applicability, Diag}; use rustc_middle::bug; use rustc_session::{config::ExpectedValues, Session}; use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::{sym, Span, Symbol}; +use crate::lints; + const MAX_CHECK_CFG_NAMES_OR_VALUES: usize = 35; -fn check_cfg_expected_note( +fn sort_and_truncate_possibilities( sess: &Session, - possibilities: &[Symbol], - type_: &str, - name: Option, - suffix: &str, -) -> String { - use std::fmt::Write; - + mut possibilities: Vec, +) -> (Vec, usize) { let n_possibilities = if sess.opts.unstable_opts.check_cfg_all_expected { possibilities.len() } else { std::cmp::min(possibilities.len(), MAX_CHECK_CFG_NAMES_OR_VALUES) }; - let mut possibilities = possibilities.iter().map(Symbol::as_str).collect::>(); - possibilities.sort(); + possibilities.sort_by(|s1, s2| s1.as_str().cmp(s2.as_str())); let and_more = possibilities.len().saturating_sub(n_possibilities); - let possibilities = possibilities[..n_possibilities].join("`, `"); - - let mut note = String::with_capacity(50 + possibilities.len()); - - write!(&mut note, "expected {type_}").unwrap(); - if let Some(name) = name { - write!(&mut note, " for `{name}`").unwrap(); - } - write!(&mut note, " are: {suffix}`{possibilities}`").unwrap(); - if and_more > 0 { - write!(&mut note, " and {and_more} more").unwrap(); - } - - note + possibilities.truncate(n_possibilities); + (possibilities, and_more) } enum EscapeQuotes { @@ -61,10 +44,9 @@ fn to_check_cfg_arg(name: Symbol, value: Option, quotes: EscapeQuotes) - pub(super) fn unexpected_cfg_name( sess: &Session, - diag: &mut Diag<'_, ()>, (name, name_span): (Symbol, Span), value: Option<(Symbol, Span)>, -) { +) -> lints::UnexpectedCfgName { #[allow(rustc::potential_query_instability)] let possibilities: Vec = sess.psess.check_config.expecteds.keys().copied().collect(); @@ -87,114 +69,122 @@ pub(super) fn unexpected_cfg_name( let is_from_cargo = rustc_session::utils::was_invoked_from_cargo(); let mut is_feature_cfg = name == sym::feature; - if is_feature_cfg && is_from_cargo { - diag.help("consider defining some features in `Cargo.toml`"); + let code_sugg = if is_feature_cfg && is_from_cargo { + lints::unexpected_cfg_name::CodeSuggestion::DefineFeatures // Suggest the most probable if we found one } else if let Some(best_match) = find_best_match_for_name(&possibilities, name, None) { + is_feature_cfg |= best_match == sym::feature; + if let Some(ExpectedValues::Some(best_match_values)) = sess.psess.check_config.expecteds.get(&best_match) { // We will soon sort, so the initial order does not matter. #[allow(rustc::potential_query_instability)] - let mut possibilities = - best_match_values.iter().flatten().map(Symbol::as_str).collect::>(); - possibilities.sort(); + let mut possibilities = best_match_values.iter().flatten().collect::>(); + possibilities.sort_by_key(|s| s.as_str()); + + let get_possibilities_sub = || { + if !possibilities.is_empty() { + let possibilities = + possibilities.iter().copied().cloned().collect::>().into(); + Some(lints::unexpected_cfg_name::ExpectedValues { best_match, possibilities }) + } else { + None + } + }; - let mut should_print_possibilities = true; if let Some((value, value_span)) = value { if best_match_values.contains(&Some(value)) { - diag.span_suggestion( - name_span, - "there is a config with a similar name and value", - best_match, - Applicability::MaybeIncorrect, - ); - should_print_possibilities = false; + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameAndValue { + span: name_span, + code: best_match.to_string(), + } } else if best_match_values.contains(&None) { - diag.span_suggestion( - name_span.to(value_span), - "there is a config with a similar name and no value", - best_match, - Applicability::MaybeIncorrect, - ); - should_print_possibilities = false; + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameNoValue { + span: name_span.to(value_span), + code: best_match.to_string(), + } } else if let Some(first_value) = possibilities.first() { - diag.span_suggestion( - name_span.to(value_span), - "there is a config with a similar name and different values", - format!("{best_match} = \"{first_value}\""), - Applicability::MaybeIncorrect, - ); + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameDifferentValues { + span: name_span.to(value_span), + code: format!("{best_match} = \"{first_value}\""), + expected: get_possibilities_sub(), + } } else { - diag.span_suggestion( - name_span.to(value_span), - "there is a config with a similar name and different values", - best_match, - Applicability::MaybeIncorrect, - ); - }; + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameDifferentValues { + span: name_span.to(value_span), + code: best_match.to_string(), + expected: get_possibilities_sub(), + } + } } else { - diag.span_suggestion( - name_span, - "there is a config with a similar name", - best_match, - Applicability::MaybeIncorrect, - ); - } - - if !possibilities.is_empty() && should_print_possibilities { - let possibilities = possibilities.join("`, `"); - diag.help(format!("expected values for `{best_match}` are: `{possibilities}`")); + lints::unexpected_cfg_name::CodeSuggestion::SimilarName { + span: name_span, + code: best_match.to_string(), + expected: get_possibilities_sub(), + } } } else { - diag.span_suggestion( - name_span, - "there is a config with a similar name", - best_match, - Applicability::MaybeIncorrect, - ); + lints::unexpected_cfg_name::CodeSuggestion::SimilarName { + span: name_span, + code: best_match.to_string(), + expected: None, + } } - - is_feature_cfg |= best_match == sym::feature; } else { - if !names_possibilities.is_empty() && names_possibilities.len() <= 3 { + let similar_values = if !names_possibilities.is_empty() && names_possibilities.len() <= 3 { names_possibilities.sort(); - for cfg_name in names_possibilities.iter() { - diag.span_suggestion( - name_span, - "found config with similar value", - format!("{cfg_name} = \"{name}\""), - Applicability::MaybeIncorrect, - ); - } - } - if !possibilities.is_empty() { - diag.help_once(check_cfg_expected_note(sess, &possibilities, "names", None, "")); + names_possibilities + .iter() + .map(|cfg_name| lints::unexpected_cfg_name::FoundWithSimilarValue { + span: name_span, + code: format!("{cfg_name} = \"{name}\""), + }) + .collect() + } else { + vec![] + }; + let expected_names = if !possibilities.is_empty() { + let (possibilities, and_more) = sort_and_truncate_possibilities(sess, possibilities); + Some(lints::unexpected_cfg_name::ExpectedNames { + possibilities: possibilities.into(), + and_more, + }) + } else { + None + }; + lints::unexpected_cfg_name::CodeSuggestion::SimilarValues { + with_similar_values: similar_values, + expected_names, } - } + }; let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); - if is_from_cargo { - if !is_feature_cfg { - diag.help(format!("consider using a Cargo feature instead")); - diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); - diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); - } - diag.note("see for more information about checking conditional configuration"); + let invocation_help = if is_from_cargo { + let sub = if !is_feature_cfg { + Some(lints::UnexpectedCfgCargoHelp::new( + &inst(EscapeQuotes::No), + &inst(EscapeQuotes::Yes), + )) + } else { + None + }; + lints::unexpected_cfg_name::InvocationHelp::Cargo { sub } } else { - let inst = inst(EscapeQuotes::No); - diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); - diag.note("see for more information about checking conditional configuration"); - } + lints::unexpected_cfg_name::InvocationHelp::Rustc(lints::UnexpectedCfgRustcHelp::new( + &inst(EscapeQuotes::No), + )) + }; + + lints::UnexpectedCfgName { code_sugg, invocation_help, name } } pub(super) fn unexpected_cfg_value( sess: &Session, - diag: &mut Diag<'_, ()>, (name, name_span): (Symbol, Span), value: Option<(Symbol, Span)>, -) { +) -> lints::UnexpectedCfgValue { let Some(ExpectedValues::Some(values)) = &sess.psess.check_config.expecteds.get(&name) else { bug!( "it shouldn't be possible to have a diagnostic on a value whose name is not in values" @@ -214,53 +204,53 @@ pub(super) fn unexpected_cfg_value( // Show the full list if all possible values for a given name, but don't do it // for names as the possibilities could be very long - if !possibilities.is_empty() { - diag.note(check_cfg_expected_note( - sess, - &possibilities, - "values", - Some(name), - if have_none_possibility { "(none), " } else { "" }, - )); + let code_sugg = if !possibilities.is_empty() { + let expected_values = { + let (possibilities, and_more) = + sort_and_truncate_possibilities(sess, possibilities.clone()); + lints::unexpected_cfg_value::ExpectedValues { + name, + have_none_possibility, + possibilities: possibilities.into(), + and_more, + } + }; - if let Some((value, value_span)) = value { + let suggestion = if let Some((value, value_span)) = value { // Suggest the most probable if we found one if let Some(best_match) = find_best_match_for_name(&possibilities, value, None) { - diag.span_suggestion( - value_span, - "there is a expected value with a similar name", - format!("\"{best_match}\""), - Applicability::MaybeIncorrect, - ); + Some(lints::unexpected_cfg_value::ChangeValueSuggestion::SimilarName { + span: value_span, + best_match, + }) + } else { + None } } else if let &[first_possibility] = &possibilities[..] { - diag.span_suggestion( - name_span.shrink_to_hi(), - "specify a config value", - format!(" = \"{first_possibility}\""), - Applicability::MaybeIncorrect, - ); - } + Some(lints::unexpected_cfg_value::ChangeValueSuggestion::SpecifyValue { + span: name_span.shrink_to_hi(), + first_possibility, + }) + } else { + None + }; + + lints::unexpected_cfg_value::CodeSuggestion::ChangeValue { expected_values, suggestion } } else if have_none_possibility { - diag.note(format!("no expected value for `{name}`")); - if let Some((_value, value_span)) = value { - diag.span_suggestion( - name_span.shrink_to_hi().to(value_span), - "remove the value", - "", - Applicability::MaybeIncorrect, - ); - } + let suggestion = + value.map(|(_value, value_span)| lints::unexpected_cfg_value::RemoveValueSuggestion { + span: name_span.shrink_to_hi().to(value_span), + }); + lints::unexpected_cfg_value::CodeSuggestion::RemoveValue { suggestion, name } } else { - diag.note(format!("no expected values for `{name}`")); - - let sp = if let Some((_value, value_span)) = value { + let span = if let Some((_value, value_span)) = value { name_span.to(value_span) } else { name_span }; - diag.span_suggestion(sp, "remove the condition", "", Applicability::MaybeIncorrect); - } + let suggestion = lints::unexpected_cfg_value::RemoveConditionSuggestion { span }; + lints::unexpected_cfg_value::CodeSuggestion::RemoveCondition { suggestion, name } + }; // We don't want to suggest adding values to well known names // since those are defined by rustc it-self. Users can still @@ -269,24 +259,35 @@ pub(super) fn unexpected_cfg_value( let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); - if is_from_cargo { - if name == sym::feature { + let invocation_help = if is_from_cargo { + let help = if name == sym::feature { if let Some((value, _value_span)) = value { - diag.help(format!("consider adding `{value}` as a feature in `Cargo.toml`")); + Some(lints::unexpected_cfg_value::CargoHelp::AddFeature { value }) } else { - diag.help("consider defining some features in `Cargo.toml`"); + Some(lints::unexpected_cfg_value::CargoHelp::DefineFeatures) } } else if !is_cfg_a_well_know_name { - diag.help(format!("consider using a Cargo feature instead")); - diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); - diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); - } - diag.note("see for more information about checking conditional configuration"); + Some(lints::unexpected_cfg_value::CargoHelp::Other(lints::UnexpectedCfgCargoHelp::new( + &inst(EscapeQuotes::No), + &inst(EscapeQuotes::Yes), + ))) + } else { + None + }; + lints::unexpected_cfg_value::InvocationHelp::Cargo(help) } else { - if !is_cfg_a_well_know_name { - let inst = inst(EscapeQuotes::No); - diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); - } - diag.note("see for more information about checking conditional configuration"); + let help = if !is_cfg_a_well_know_name { + Some(lints::UnexpectedCfgRustcHelp::new(&inst(EscapeQuotes::No))) + } else { + None + }; + lints::unexpected_cfg_value::InvocationHelp::Rustc(help) + }; + + lints::UnexpectedCfgValue { + code_sugg, + invocation_help, + has_value: value.is_some(), + value: value.map_or_else(String::new, |(v, _span)| v.to_string()), } } diff --git a/compiler/rustc_lint/src/early.rs b/compiler/rustc_lint/src/early.rs index 3f627baf7704f..736c7a1106932 100644 --- a/compiler/rustc_lint/src/early.rs +++ b/compiler/rustc_lint/src/early.rs @@ -14,7 +14,7 @@ //! upon. As the ast is traversed, this keeps track of the current lint level //! for all lint attributes. -use crate::context::{EarlyContext, LintContext, LintStore}; +use crate::context::{EarlyContext, LintStore}; use crate::passes::{EarlyLintPass, EarlyLintPassObject}; use rustc_ast::ptr::P; use rustc_ast::visit::{self as ast_visit, walk_list, Visitor}; @@ -44,14 +44,8 @@ impl<'a, T: EarlyLintPass> EarlyContextAndPass<'a, T> { #[allow(rustc::diagnostic_outside_of_impl)] fn inlined_check_id(&mut self, id: ast::NodeId) { for early_lint in self.context.buffered.take(id) { - let BufferedEarlyLint { span, msg, node_id: _, lint_id, diagnostic } = early_lint; - self.context.span_lint_with_diagnostics( - lint_id.lint, - Some(span), - msg, - |_| {}, - diagnostic, - ); + let BufferedEarlyLint { span, node_id: _, lint_id, diagnostic } = early_lint; + self.context.span_lint_with_diagnostics(lint_id.lint, span, diagnostic); } } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index bc0c8cf85d8a2..3bd6faca37963 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -5,16 +5,22 @@ use std::num::NonZero; use crate::errors::RequestedLevel; use crate::fluent_generated as fluent; use rustc_errors::{ - codes::*, Applicability, Diag, DiagMessage, DiagStyledString, EmissionGuarantee, - LintDiagnostic, SubdiagMessageOp, Subdiagnostic, SuggestionStyle, + codes::*, Applicability, Diag, DiagArgValue, DiagMessage, DiagStyledString, + ElidedLifetimeInPathSubdiag, EmissionGuarantee, LintDiagnostic, SubdiagMessageOp, + Subdiagnostic, SuggestionStyle, }; -use rustc_hir::def_id::DefId; +use rustc_hir::{def::Namespace, def_id::DefId}; use rustc_macros::{LintDiagnostic, Subdiagnostic}; use rustc_middle::ty::{ inhabitedness::InhabitedPredicate, Clause, PolyExistentialTraitRef, Ty, TyCtxt, }; -use rustc_session::Session; -use rustc_span::{edition::Edition, sym, symbol::Ident, Span, Symbol}; +use rustc_session::{lint::AmbiguityErrorDiag, Session}; +use rustc_span::{ + edition::Edition, + sym, + symbol::{Ident, MacroRulesNormalizedIdent}, + Span, Symbol, +}; use crate::{ builtin::InitError, builtin::TypeAliasBounds, errors::OverruledAttributeSub, LateContext, @@ -1947,3 +1953,837 @@ pub struct UnitBindingsDiag { #[label] pub label: Span, } + +#[derive(LintDiagnostic)] +#[diag(lint_builtin_asm_labels)] +#[help] +#[note] +pub struct BuiltinNamedAsmLabel; + +#[derive(Subdiagnostic)] +#[help(lint_unexpected_cfg_add_cargo_feature)] +#[help(lint_unexpected_cfg_add_cargo_toml_lint_cfg)] +#[help(lint_unexpected_cfg_add_build_rs_println)] +pub struct UnexpectedCfgCargoHelp { + pub build_rs_println: String, + pub cargo_toml_lint_cfg: String, +} + +impl UnexpectedCfgCargoHelp { + pub fn new(unescaped: &str, escaped: &str) -> Self { + Self { + cargo_toml_lint_cfg: format!( + "\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{unescaped}'] }}", + ), + build_rs_println: format!("println!(\"cargo::rustc-check-cfg={escaped}\");",), + } + } +} + +#[derive(Subdiagnostic)] +#[help(lint_unexpected_cfg_add_cmdline_arg)] +pub struct UnexpectedCfgRustcHelp { + pub cmdline_arg: String, +} + +impl UnexpectedCfgRustcHelp { + pub fn new(unescaped: &str) -> Self { + Self { cmdline_arg: format!("--check-cfg={unescaped}") } + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_unexpected_cfg_name)] +pub struct UnexpectedCfgName { + #[subdiagnostic] + pub code_sugg: unexpected_cfg_name::CodeSuggestion, + #[subdiagnostic] + pub invocation_help: unexpected_cfg_name::InvocationHelp, + + pub name: Symbol, +} + +pub mod unexpected_cfg_name { + use rustc_errors::DiagSymbolList; + use rustc_macros::Subdiagnostic; + use rustc_span::{Span, Symbol}; + + #[derive(Subdiagnostic)] + pub enum CodeSuggestion { + #[help(lint_unexpected_cfg_define_features)] + DefineFeatures, + #[suggestion( + lint_unexpected_cfg_name_similar_name_value, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarNameAndValue { + #[primary_span] + span: Span, + code: String, + }, + #[suggestion( + lint_unexpected_cfg_name_similar_name_no_value, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarNameNoValue { + #[primary_span] + span: Span, + code: String, + }, + #[suggestion( + lint_unexpected_cfg_name_similar_name_different_values, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarNameDifferentValues { + #[primary_span] + span: Span, + code: String, + #[subdiagnostic] + expected: Option, + }, + #[suggestion( + lint_unexpected_cfg_name_similar_name, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarName { + #[primary_span] + span: Span, + code: String, + #[subdiagnostic] + expected: Option, + }, + SimilarValues { + #[subdiagnostic] + with_similar_values: Vec, + #[subdiagnostic] + expected_names: Option, + }, + } + + #[derive(Subdiagnostic)] + #[help(lint_unexpected_cfg_name_expected_values)] + pub struct ExpectedValues { + pub best_match: Symbol, + pub possibilities: DiagSymbolList, + } + + #[derive(Subdiagnostic)] + #[suggestion( + lint_unexpected_cfg_name_with_similar_value, + applicability = "maybe-incorrect", + code = "{code}" + )] + pub struct FoundWithSimilarValue { + #[primary_span] + pub span: Span, + pub code: String, + } + + #[derive(Subdiagnostic)] + #[help_once(lint_unexpected_cfg_name_expected_names)] + pub struct ExpectedNames { + pub possibilities: DiagSymbolList, + pub and_more: usize, + } + + #[derive(Subdiagnostic)] + pub enum InvocationHelp { + #[note(lint_unexpected_cfg_doc_cargo)] + Cargo { + #[subdiagnostic] + sub: Option, + }, + #[note(lint_unexpected_cfg_doc_rustc)] + Rustc(#[subdiagnostic] super::UnexpectedCfgRustcHelp), + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_unexpected_cfg_value)] +pub struct UnexpectedCfgValue { + #[subdiagnostic] + pub code_sugg: unexpected_cfg_value::CodeSuggestion, + #[subdiagnostic] + pub invocation_help: unexpected_cfg_value::InvocationHelp, + + pub has_value: bool, + pub value: String, +} + +pub mod unexpected_cfg_value { + use rustc_errors::DiagSymbolList; + use rustc_macros::Subdiagnostic; + use rustc_span::{Span, Symbol}; + + #[derive(Subdiagnostic)] + pub enum CodeSuggestion { + ChangeValue { + #[subdiagnostic] + expected_values: ExpectedValues, + #[subdiagnostic] + suggestion: Option, + }, + #[note(lint_unexpected_cfg_value_no_expected_value)] + RemoveValue { + #[subdiagnostic] + suggestion: Option, + + name: Symbol, + }, + #[note(lint_unexpected_cfg_value_no_expected_values)] + RemoveCondition { + #[subdiagnostic] + suggestion: RemoveConditionSuggestion, + + name: Symbol, + }, + } + + #[derive(Subdiagnostic)] + pub enum ChangeValueSuggestion { + #[suggestion( + lint_unexpected_cfg_value_similar_name, + code = r#""{best_match}""#, + applicability = "maybe-incorrect" + )] + SimilarName { + #[primary_span] + span: Span, + best_match: Symbol, + }, + #[suggestion( + lint_unexpected_cfg_value_specify_value, + code = r#" = "{first_possibility}""#, + applicability = "maybe-incorrect" + )] + SpecifyValue { + #[primary_span] + span: Span, + first_possibility: Symbol, + }, + } + + #[derive(Subdiagnostic)] + #[suggestion( + lint_unexpected_cfg_value_remove_value, + code = "", + applicability = "maybe-incorrect" + )] + pub struct RemoveValueSuggestion { + #[primary_span] + pub span: Span, + } + + #[derive(Subdiagnostic)] + #[suggestion( + lint_unexpected_cfg_value_remove_condition, + code = "", + applicability = "maybe-incorrect" + )] + pub struct RemoveConditionSuggestion { + #[primary_span] + pub span: Span, + } + + #[derive(Subdiagnostic)] + #[note(lint_unexpected_cfg_value_expected_values)] + pub struct ExpectedValues { + pub name: Symbol, + pub have_none_possibility: bool, + pub possibilities: DiagSymbolList, + pub and_more: usize, + } + + #[derive(Subdiagnostic)] + pub enum InvocationHelp { + #[note(lint_unexpected_cfg_doc_cargo)] + Cargo(#[subdiagnostic] Option), + #[note(lint_unexpected_cfg_doc_rustc)] + Rustc(#[subdiagnostic] Option), + } + + #[derive(Subdiagnostic)] + pub enum CargoHelp { + #[help(lint_unexpected_cfg_value_add_feature)] + AddFeature { + value: Symbol, + }, + #[help(lint_unexpected_cfg_define_features)] + DefineFeatures, + Other(#[subdiagnostic] super::UnexpectedCfgCargoHelp), + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_macro_use_deprecated)] +pub struct MacroUseDeprecated; + +#[derive(LintDiagnostic)] +#[diag(lint_unused_macro_use)] +pub struct UnusedMacroUse; + +#[derive(LintDiagnostic)] +#[diag(lint_private_extern_crate_reexport)] +pub struct PrivateExternCrateReexport { + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_label)] +pub struct UnusedLabel; + +#[derive(LintDiagnostic)] +#[diag(lint_macro_is_private)] +pub struct MacroIsPrivate { + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_macro_definition)] +pub struct UnusedMacroDefinition { + pub name: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_macro_rule_never_used)] +pub struct MacroRuleNeverUsed { + pub n: usize, + pub name: Symbol, +} + +pub struct UnstableFeature { + pub msg: DiagMessage, +} + +impl<'a> LintDiagnostic<'a, ()> for UnstableFeature { + fn decorate_lint<'b>(self, _diag: &'b mut Diag<'a, ()>) {} + + fn msg(&self) -> DiagMessage { + self.msg.clone() + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_avoid_intel_syntax)] +pub struct AvoidIntelSyntax; + +#[derive(LintDiagnostic)] +#[diag(lint_avoid_att_syntax)] +pub struct AvoidAttSyntax; + +#[derive(LintDiagnostic)] +#[diag(lint_incomplete_include)] +pub struct IncompleteInclude; + +#[derive(LintDiagnostic)] +#[diag(lint_unnameable_test_items)] +pub struct UnnameableTestItems; + +#[derive(LintDiagnostic)] +#[diag(lint_duplicate_macro_attribute)] +pub struct DuplicateMacroAttribute; + +#[derive(LintDiagnostic)] +#[diag(lint_cfg_attr_no_attributes)] +pub struct CfgAttrNoAttributes; + +#[derive(LintDiagnostic)] +#[diag(lint_crate_type_in_cfg_attr_deprecated)] +pub struct CrateTypeInCfgAttr; + +#[derive(LintDiagnostic)] +#[diag(lint_crate_name_in_cfg_attr_deprecated)] +pub struct CrateNameInCfgAttr; + +#[derive(LintDiagnostic)] +#[diag(lint_missing_fragment_specifier)] +pub struct MissingFragmentSpecifier; + +#[derive(LintDiagnostic)] +#[diag(lint_metavariable_still_repeating)] +pub struct MetaVariableStillRepeating { + pub name: MacroRulesNormalizedIdent, +} + +#[derive(LintDiagnostic)] +#[diag(lint_metavariable_wrong_operator)] +pub struct MetaVariableWrongOperator; + +#[derive(LintDiagnostic)] +#[diag(lint_duplicate_matcher_binding)] +pub struct DuplicateMatcherBinding; + +#[derive(LintDiagnostic)] +#[diag(lint_unknown_macro_variable)] +pub struct UnknownMacroVariable { + pub name: MacroRulesNormalizedIdent, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_crate_dependency)] +pub struct UnusedCrateDependency { + pub extern_crate: Symbol, + pub local_crate: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_wasm_c_abi)] +pub struct WasmCAbi; + +#[derive(LintDiagnostic)] +#[diag(lint_ill_formed_attribute_input)] +pub struct IllFormedAttributeInput { + pub num_suggestions: usize, + pub suggestions: DiagArgValue, +} + +#[derive(LintDiagnostic)] +pub enum InnerAttributeUnstable { + #[diag(lint_inner_macro_attribute_unstable)] + InnerMacroAttribute, + #[diag(lint_custom_inner_attribute_unstable)] + CustomInnerAttribute, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unknown_diagnostic_attribute)] +pub struct UnknownDiagnosticAttribute { + #[subdiagnostic] + pub typo: Option, +} + +#[derive(Subdiagnostic)] +#[suggestion( + lint_unknown_diagnostic_attribute_typo_sugg, + style = "verbose", + code = "{typo_name}", + applicability = "machine-applicable" +)] +pub struct UnknownDiagnosticAttributeTypoSugg { + #[primary_span] + pub span: Span, + pub typo_name: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unicode_text_flow)] +#[note] +pub struct UnicodeTextFlow { + #[label] + pub comment_span: Span, + #[subdiagnostic] + pub characters: Vec, + #[subdiagnostic] + pub suggestions: Option, + + pub num_codepoints: usize, +} + +#[derive(Subdiagnostic)] +#[label(lint_label_comment_char)] +pub struct UnicodeCharNoteSub { + #[primary_span] + pub span: Span, + pub c_debug: String, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable", style = "hidden")] +pub struct UnicodeTextFlowSuggestion { + #[suggestion_part(code = "")] + pub spans: Vec, +} + +#[derive(LintDiagnostic)] +#[diag(lint_abs_path_with_module)] +pub struct AbsPathWithModule { + #[subdiagnostic] + pub sugg: AbsPathWithModuleSugg, +} + +#[derive(Subdiagnostic)] +#[suggestion(lint_suggestion, code = "{replacement}")] +pub struct AbsPathWithModuleSugg { + #[primary_span] + pub span: Span, + #[applicability] + pub applicability: Applicability, + pub replacement: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_proc_macro_derive_resolution_fallback)] +pub struct ProcMacroDeriveResolutionFallback { + #[label] + pub span: Span, + pub ns: Namespace, + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_macro_expanded_macro_exports_accessed_by_absolute_paths)] +pub struct MacroExpandedMacroExportsAccessedByAbsolutePaths { + #[note] + pub definition: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_hidden_lifetime_parameters)] +pub struct ElidedLifetimesInPaths { + #[subdiagnostic] + pub subdiag: ElidedLifetimeInPathSubdiag, +} + +#[derive(LintDiagnostic)] +#[diag(lint_invalid_crate_type_value)] +pub struct UnknownCrateTypes { + #[subdiagnostic] + pub sugg: Option, +} + +#[derive(Subdiagnostic)] +#[suggestion(lint_suggestion, code = r#""{candidate}""#, applicability = "maybe-incorrect")] +pub struct UnknownCrateTypesSub { + #[primary_span] + pub span: Span, + pub candidate: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_imports)] +pub struct UnusedImports { + #[subdiagnostic] + pub sugg: UnusedImportsSugg, + #[help] + pub test_module_span: Option, + + pub span_snippets: DiagArgValue, + pub num_snippets: usize, +} + +#[derive(Subdiagnostic)] +pub enum UnusedImportsSugg { + #[suggestion( + lint_suggestion_remove_whole_use, + applicability = "machine-applicable", + code = "", + style = "tool-only" + )] + RemoveWholeUse { + #[primary_span] + span: Span, + }, + #[multipart_suggestion( + lint_suggestion_remove_imports, + applicability = "machine-applicable", + style = "tool-only" + )] + RemoveImports { + #[suggestion_part(code = "")] + remove_spans: Vec, + num_to_remove: usize, + }, +} + +#[derive(LintDiagnostic)] +#[diag(lint_redundant_import)] +pub struct RedundantImport { + #[subdiagnostic] + pub subs: Vec, + + pub ident: Ident, +} + +#[derive(Subdiagnostic)] +pub enum RedundantImportSub { + #[label(lint_label_imported_here)] + ImportedHere(#[primary_span] Span), + #[label(lint_label_defined_here)] + DefinedHere(#[primary_span] Span), + #[label(lint_label_imported_prelude)] + ImportedPrelude(#[primary_span] Span), + #[label(lint_label_defined_prelude)] + DefinedPrelude(#[primary_span] Span), +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_doc_comment)] +#[help] +pub struct UnusedDocComment { + #[label] + pub span: Span, +} + +#[derive(LintDiagnostic)] +pub enum PatternsInFnsWithoutBody { + #[diag(lint_pattern_in_foreign)] + Foreign { + #[subdiagnostic] + sub: PatternsInFnsWithoutBodySub, + }, + #[diag(lint_pattern_in_bodiless)] + Bodiless { + #[subdiagnostic] + sub: PatternsInFnsWithoutBodySub, + }, +} + +#[derive(Subdiagnostic)] +#[suggestion(lint_remove_mut_from_pattern, code = "{ident}", applicability = "machine-applicable")] +pub struct PatternsInFnsWithoutBodySub { + #[primary_span] + pub span: Span, + + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_extern_without_abi)] +#[help] +pub struct MissingAbi { + #[label] + pub span: Span, + + pub default_abi: &'static str, +} + +#[derive(LintDiagnostic)] +#[diag(lint_legacy_derive_helpers)] +pub struct LegacyDeriveHelpers { + #[label] + pub span: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_proc_macro_back_compat)] +#[note] +pub struct ProcMacroBackCompat { + pub crate_name: String, + pub fixed_version: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_or_patterns_back_compat)] +pub struct OrPatternsBackCompat { + #[suggestion(code = "{suggestion}", applicability = "machine-applicable")] + pub span: Span, + pub suggestion: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_reserved_prefix)] +pub struct ReservedPrefix { + #[label] + pub label: Span, + #[suggestion(code = " ", applicability = "machine-applicable")] + pub suggestion: Span, + + pub prefix: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_builtin_attribute)] +pub struct UnusedBuiltinAttribute { + #[note] + pub invoc_span: Span, + + pub attr_name: Symbol, + pub macro_name: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_trailing_semi_macro)] +pub struct TrailingMacro { + #[note(lint_note1)] + #[note(lint_note2)] + pub is_trailing: bool, + + pub name: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_break_with_label_and_loop)] +pub struct BreakWithLabelAndLoop { + #[subdiagnostic] + pub sub: BreakWithLabelAndLoopSub, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable")] +pub struct BreakWithLabelAndLoopSub { + #[suggestion_part(code = "(")] + pub left: Span, + #[suggestion_part(code = ")")] + pub right: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_deprecated_where_clause_location)] +#[note] +pub struct DeprecatedWhereClauseLocation { + #[subdiagnostic] + pub suggestion: DeprecatedWhereClauseLocationSugg, +} + +#[derive(Subdiagnostic)] +pub enum DeprecatedWhereClauseLocationSugg { + #[multipart_suggestion(lint_suggestion_move_to_end, applicability = "machine-applicable")] + MoveToEnd { + #[suggestion_part(code = "")] + left: Span, + #[suggestion_part(code = "{sugg}")] + right: Span, + + sugg: String, + }, + #[suggestion(lint_suggestion_remove_where, code = "", applicability = "machine-applicable")] + RemoveWhere { + #[primary_span] + span: Span, + }, +} + +#[derive(LintDiagnostic)] +#[diag(lint_single_use_lifetime)] +pub struct SingleUseLifetime { + #[label(lint_label_param)] + pub param_span: Span, + #[label(lint_label_use)] + pub use_span: Span, + #[subdiagnostic] + pub suggestion: Option, + + pub ident: Ident, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable")] +pub struct SingleUseLifetimeSugg { + #[suggestion_part(code = "")] + pub deletion_span: Option, + #[suggestion_part(code = "{replace_lt}")] + pub use_span: Span, + + pub replace_lt: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_lifetime)] +pub struct UnusedLifetime { + #[suggestion(code = "", applicability = "machine-applicable")] + pub deletion_span: Option, + + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_named_argument_used_positionally)] +pub struct NamedArgumentUsedPositionally { + #[label(lint_label_named_arg)] + pub named_arg_sp: Span, + #[label(lint_label_position_arg)] + pub position_label_sp: Option, + #[suggestion(style = "verbose", code = "{name}", applicability = "maybe-incorrect")] + pub suggestion: Option, + + pub name: String, + pub named_arg_name: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_byte_slice_in_packed_struct_with_derive)] +#[help] +pub struct ByteSliceInPackedStructWithDerive { + // FIXME: make this translatable + pub ty: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_extern_crate)] +pub struct UnusedExternCrate { + #[suggestion(code = "", applicability = "machine-applicable")] + pub removal_span: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_extern_crate_not_idiomatic)] +pub struct ExternCrateNotIdiomatic { + #[suggestion(style = "verbose", code = "{code}", applicability = "machine-applicable")] + pub span: Span, + + pub code: &'static str, +} + +// FIXME: make this translatable +pub struct AmbiguousGlobImports { + pub ambiguity: AmbiguityErrorDiag, +} + +impl<'a, G: EmissionGuarantee> LintDiagnostic<'a, G> for AmbiguousGlobImports { + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { + rustc_errors::report_ambiguity_error(diag, self.ambiguity); + } + + fn msg(&self) -> DiagMessage { + DiagMessage::Str(self.ambiguity.msg.clone().into()) + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_ambiguous_glob_reexport)] +pub struct AmbiguousGlobReexports { + #[label(lint_label_first_reexport)] + pub first_reexport: Span, + #[label(lint_label_duplicate_reexport)] + pub duplicate_reexport: Span, + + pub name: String, + // FIXME: make this translatable + pub namespace: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_hidden_glob_reexport)] +pub struct HiddenGlobReexports { + #[note(lint_note_glob_reexport)] + pub glob_reexport: Span, + #[note(lint_note_private_item)] + pub private_item: Span, + + pub name: String, + // FIXME: make this translatable + pub namespace: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unnecessary_qualification)] +pub struct UnusedQualifications { + #[suggestion(style = "verbose", code = "", applicability = "machine-applicable")] + pub removal_span: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_associated_const_elided_lifetime)] +pub struct AssociatedConstElidedLifetime { + #[suggestion(style = "verbose", code = "{code}", applicability = "machine-applicable")] + pub span: Span, + + pub code: &'static str, + pub elided: bool, +} + +#[derive(LintDiagnostic)] +#[diag(lint_redundant_import_visibility)] +pub struct RedundantImportVisibility { + #[note] + pub span: Span, + #[help] + pub help: (), + + pub import_vis: String, + pub max_vis: String, +} diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index e06e3e9b805f7..1941b0b12643f 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -6,10 +6,12 @@ use rustc_data_structures::stable_hasher::{ HashStable, StableCompare, StableHasher, ToStableHashKey, }; use rustc_error_messages::{DiagMessage, MultiSpan}; +use rustc_hir::def::Namespace; use rustc_hir::HashStableContext; use rustc_hir::HirId; use rustc_macros::{Decodable, Encodable, HashStable_Generic}; use rustc_span::edition::Edition; +use rustc_span::symbol::MacroRulesNormalizedIdent; use rustc_span::{sym, symbol::Ident, Span, Symbol}; use rustc_target::spec::abi::Abi; @@ -565,19 +567,44 @@ pub struct AmbiguityErrorDiag { pub b2_help_msgs: Vec, } +#[derive(Debug, Clone)] +pub enum DeprecatedSinceKind { + InEffect, + InFuture, + InVersion(String), +} + // This could be a closure, but then implementing derive trait // becomes hacky (and it gets allocated). #[derive(Debug)] pub enum BuiltinLintDiag { - Normal, AbsPathWithModule(Span), - ProcMacroDeriveResolutionFallback(Span), + ProcMacroDeriveResolutionFallback { + span: Span, + ns: Namespace, + ident: Ident, + }, MacroExpandedMacroExportsAccessedByAbsolutePaths(Span), ElidedLifetimesInPaths(usize, Span, bool, Span), - UnknownCrateTypes(Span, String, String), - UnusedImports(String, Vec<(Span, String)>, Option), + UnknownCrateTypes { + span: Span, + candidate: Option, + }, + UnusedImports { + remove_whole_use: bool, + num_to_remove: usize, + remove_spans: Vec, + test_module_span: Option, + span_snippets: Vec, + }, RedundantImport(Vec<(Span, bool)>, Ident), - DeprecatedMacro(Option, Span), + DeprecatedMacro { + suggestion: Option, + suggestion_span: Span, + note: Option, + path: String, + since_kind: DeprecatedSinceKind, + }, MissingAbi(Span, Abi), UnusedDocComment(Span), UnusedBuiltinAttribute { @@ -585,18 +612,24 @@ pub enum BuiltinLintDiag { macro_name: String, invoc_span: Span, }, - PatternsInFnsWithoutBody(Span, Ident), + PatternsInFnsWithoutBody { + span: Span, + ident: Ident, + is_foreign: bool, + }, LegacyDeriveHelpers(Span), - ProcMacroBackCompat(String), + ProcMacroBackCompat { + crate_name: String, + fixed_version: String, + }, OrPatternsBackCompat(Span, String), - ReservedPrefix(Span), + ReservedPrefix(Span, String), TrailingMacro(bool, Ident), BreakWithLabelAndLoop(Span), - NamedAsmLabel(String), UnicodeTextFlow(Span, String), UnexpectedCfgName((Symbol, Span), Option<(Symbol, Span)>), UnexpectedCfgValue((Symbol, Span), Option<(Symbol, Span)>), - DeprecatedWhereclauseLocation(Option<(Span, String)>), + DeprecatedWhereclauseLocation(Span, Option<(Span, String)>), SingleUseLifetime { /// Span of the parameter which declares this lifetime. param_span: Span, @@ -606,6 +639,7 @@ pub enum BuiltinLintDiag { /// Span of the single use, or None if the lifetime is never used. /// If true, the lifetime will be fully elided. use_span: Option<(Span, bool)>, + ident: Ident, }, NamedArgumentUsedPositionally { /// Span where the named argument is used by position and will be replaced with the named @@ -620,7 +654,10 @@ pub enum BuiltinLintDiag { /// Indicates if the named argument is used as a width/precision for formatting is_formatting_arg: bool, }, - ByteSliceInPackedStructWithDerive, + ByteSliceInPackedStructWithDerive { + // FIXME: enum of byte/string + ty: String, + }, UnusedExternCrate { removal_span: Span, }, @@ -662,10 +699,43 @@ pub enum BuiltinLintDiag { RedundantImportVisibility { span: Span, max_vis: String, + import_vis: String, }, - MaybeTypo { + UnknownDiagnosticAttribute { span: Span, - name: Symbol, + typo_name: Option, + }, + MacroUseDeprecated, + UnusedMacroUse, + PrivateExternCrateReexport(Ident), + UnusedLabel, + MacroIsPrivate(Ident), + UnusedMacroDefinition(Symbol), + MacroRuleNeverUsed(usize, Symbol), + UnstableFeature(DiagMessage), + AvoidUsingIntelSyntax, + AvoidUsingAttSyntax, + IncompleteInclude, + UnnameableTestItems, + DuplicateMacroAttribute, + CfgAttrNoAttributes, + CrateTypeInCfgAttr, + CrateNameInCfgAttr, + MissingFragmentSpecifier, + MetaVariableStillRepeating(MacroRulesNormalizedIdent), + MetaVariableWrongOperator, + DuplicateMatcherBinding, + UnknownMacroVariable(MacroRulesNormalizedIdent), + UnusedCrateDependency { + extern_crate: Symbol, + local_crate: Symbol, + }, + WasmCAbi, + IllFormedAttributeInput { + suggestions: Vec, + }, + InnerAttributeUnstable { + is_macro: bool, }, } @@ -676,9 +746,6 @@ pub struct BufferedEarlyLint { /// The span of code that we are linting on. pub span: MultiSpan, - /// The lint message. - pub msg: DiagMessage, - /// The `NodeId` of the AST node that generated the lint. pub node_id: NodeId, @@ -706,12 +773,10 @@ impl LintBuffer { lint: &'static Lint, node_id: NodeId, span: MultiSpan, - msg: impl Into, diagnostic: BuiltinLintDiag, ) { let lint_id = LintId::of(lint); - let msg = msg.into(); - self.add_early_lint(BufferedEarlyLint { lint_id, node_id, span, msg, diagnostic }); + self.add_early_lint(BufferedEarlyLint { lint_id, node_id, span, diagnostic }); } pub fn take(&mut self, id: NodeId) -> Vec { @@ -724,20 +789,9 @@ impl LintBuffer { lint: &'static Lint, id: NodeId, sp: impl Into, - msg: impl Into, - ) { - self.add_lint(lint, id, sp.into(), msg, BuiltinLintDiag::Normal) - } - - pub fn buffer_lint_with_diagnostic( - &mut self, - lint: &'static Lint, - id: NodeId, - sp: impl Into, - msg: impl Into, diagnostic: BuiltinLintDiag, ) { - self.add_lint(lint, id, sp.into(), msg, diagnostic) + self.add_lint(lint, id, sp.into(), diagnostic) } } diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs index ae481efb263df..38d4a5ee61ce4 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs @@ -158,7 +158,9 @@ impl DiagnosticDeriveVariantBuilder { let slug = subdiag.slug.unwrap_or_else(|| match subdiag.kind { SubdiagnosticKind::Label => parse_quote! { _subdiag::label }, SubdiagnosticKind::Note => parse_quote! { _subdiag::note }, + SubdiagnosticKind::NoteOnce => parse_quote! { _subdiag::note_once }, SubdiagnosticKind::Help => parse_quote! { _subdiag::help }, + SubdiagnosticKind::HelpOnce => parse_quote! { _subdiag::help_once }, SubdiagnosticKind::Warn => parse_quote! { _subdiag::warn }, SubdiagnosticKind::Suggestion { .. } => parse_quote! { _subdiag::suggestion }, SubdiagnosticKind::MultipartSuggestion { .. } => unreachable!(), @@ -233,9 +235,11 @@ impl DiagnosticDeriveVariantBuilder { }; let fn_ident = format_ident!("{}", subdiag); match subdiag { - SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn => { - Ok(self.add_subdiagnostic(&fn_ident, slug)) - } + SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce + | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce + | SubdiagnosticKind::Warn => Ok(self.add_subdiagnostic(&fn_ident, slug)), SubdiagnosticKind::Label | SubdiagnosticKind::Suggestion { .. } => { throw_invalid_attr!(attr, |diag| diag .help("`#[label]` and `#[suggestion]` can only be applied to fields")); @@ -347,7 +351,11 @@ impl DiagnosticDeriveVariantBuilder { report_error_if_not_applied_to_span(attr, &info)?; Ok(self.add_spanned_subdiagnostic(binding, &fn_ident, slug)) } - SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn => { + SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce + | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce + | SubdiagnosticKind::Warn => { let inner = info.ty.inner_type(); if type_matches_path(inner, &["rustc_span", "Span"]) || type_matches_path(inner, &["rustc_span", "MultiSpan"]) diff --git a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs index 45236771bce63..69014f39925ab 100644 --- a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs @@ -510,11 +510,11 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { .map(|binding| self.generate_field_attr_code(binding, kind_stats)) .collect(); - if kind_slugs.is_empty() { + if kind_slugs.is_empty() && !self.has_subdiagnostic { if self.is_enum { // It's okay for a variant to not be a subdiagnostic at all.. return Ok(quote! {}); - } else if !self.has_subdiagnostic { + } else { // ..but structs should always be _something_. throw_span_err!( self.variant.ast().ident.span().unwrap(), diff --git a/compiler/rustc_macros/src/diagnostics/utils.rs b/compiler/rustc_macros/src/diagnostics/utils.rs index 4684306e23592..05a5a32514bb7 100644 --- a/compiler/rustc_macros/src/diagnostics/utils.rs +++ b/compiler/rustc_macros/src/diagnostics/utils.rs @@ -575,8 +575,12 @@ pub(super) enum SubdiagnosticKind { Label, /// `#[note(...)]` Note, + /// `#[note_once(...)]` + NoteOnce, /// `#[help(...)]` Help, + /// `#[help_once(...)]` + HelpOnce, /// `#[warning(...)]` Warn, /// `#[suggestion{,_short,_hidden,_verbose}]` @@ -624,7 +628,9 @@ impl SubdiagnosticVariant { let mut kind = match name { "label" => SubdiagnosticKind::Label, "note" => SubdiagnosticKind::Note, + "note_once" => SubdiagnosticKind::NoteOnce, "help" => SubdiagnosticKind::Help, + "help_once" => SubdiagnosticKind::HelpOnce, "warning" => SubdiagnosticKind::Warn, _ => { // Recover old `#[(multipart_)suggestion_*]` syntaxes @@ -682,7 +688,9 @@ impl SubdiagnosticVariant { match kind { SubdiagnosticKind::Label | SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce | SubdiagnosticKind::Warn | SubdiagnosticKind::MultipartSuggestion { .. } => { return Ok(Some(SubdiagnosticVariant { kind, slug: None, no_span: false })); @@ -836,7 +844,9 @@ impl SubdiagnosticVariant { } SubdiagnosticKind::Label | SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce | SubdiagnosticKind::Warn => {} } @@ -849,7 +859,9 @@ impl quote::IdentFragment for SubdiagnosticKind { match self { SubdiagnosticKind::Label => write!(f, "label"), SubdiagnosticKind::Note => write!(f, "note"), + SubdiagnosticKind::NoteOnce => write!(f, "note_once"), SubdiagnosticKind::Help => write!(f, "help"), + SubdiagnosticKind::HelpOnce => write!(f, "help_once"), SubdiagnosticKind::Warn => write!(f, "warn"), SubdiagnosticKind::Suggestion { .. } => write!(f, "suggestions_with_style"), SubdiagnosticKind::MultipartSuggestion { .. } => { diff --git a/compiler/rustc_macros/src/lib.rs b/compiler/rustc_macros/src/lib.rs index c7b7eadbd9d6b..de9c916b4f04f 100644 --- a/compiler/rustc_macros/src/lib.rs +++ b/compiler/rustc_macros/src/lib.rs @@ -108,7 +108,9 @@ decl_derive!( // struct attributes diag, help, + help_once, note, + note_once, warning, // field attributes skip_arg, @@ -125,7 +127,9 @@ decl_derive!( // struct attributes diag, help, + help_once, note, + note_once, warning, // field attributes skip_arg, @@ -142,7 +146,9 @@ decl_derive!( // struct/variant attributes label, help, + help_once, note, + note_once, warning, subdiagnostic, suggestion, diff --git a/compiler/rustc_metadata/messages.ftl b/compiler/rustc_metadata/messages.ftl index 3d0846ae6deab..2f5dfad265c80 100644 --- a/compiler/rustc_metadata/messages.ftl +++ b/compiler/rustc_metadata/messages.ftl @@ -284,8 +284,6 @@ metadata_unsupported_abi = metadata_unsupported_abi_i686 = ABI not supported by `#[link(kind = "raw-dylib")]` on i686 -metadata_wasm_c_abi = - older versions of the `wasm-bindgen` crate will be incompatible with future versions of Rust; please update to `wasm-bindgen` v0.2.88 metadata_wasm_import_form = wasm import module must be of the form `wasm_import_module = "string"` diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index e3205fc1d30e1..be1a73ef0a7d9 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -20,7 +20,7 @@ use rustc_middle::bug; use rustc_middle::ty::{TyCtxt, TyCtxtFeed}; use rustc_session::config::{self, CrateType, ExternLocation}; use rustc_session::cstore::{CrateDepKind, CrateSource, ExternCrate, ExternCrateSource}; -use rustc_session::lint; +use rustc_session::lint::{self, BuiltinLintDiag}; use rustc_session::output::validate_crate_name; use rustc_session::search_paths::PathKind; use rustc_span::edition::Edition; @@ -975,15 +975,14 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { } self.sess.psess.buffer_lint( - lint::builtin::UNUSED_CRATE_DEPENDENCIES, - span, - ast::CRATE_NODE_ID, - format!( - "external crate `{}` unused in `{}`: remove the dependency or add `use {} as _;`", - name, - self.tcx.crate_name(LOCAL_CRATE), - name), - ); + lint::builtin::UNUSED_CRATE_DEPENDENCIES, + span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::UnusedCrateDependency { + extern_crate: name_interned, + local_crate: self.tcx.crate_name(LOCAL_CRATE), + }, + ); } } @@ -1020,7 +1019,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { lint::builtin::WASM_C_ABI, span, ast::CRATE_NODE_ID, - crate::fluent_generated::metadata_wasm_c_abi, + BuiltinLintDiag::WasmCAbi, ); } } diff --git a/compiler/rustc_middle/messages.ftl b/compiler/rustc_middle/messages.ftl index 27d555d7e26c7..f4d619329eb9c 100644 --- a/compiler/rustc_middle/messages.ftl +++ b/compiler/rustc_middle/messages.ftl @@ -50,6 +50,20 @@ middle_const_not_used_in_type_alias = middle_cycle = a cycle occurred during layout computation +middle_deprecated = use of deprecated {$kind} `{$path}`{$has_note -> + [true] : {$note} + *[other] {""} + } +middle_deprecated_in_future = use of {$kind} `{$path}` that will be deprecated in a future Rust version{$has_note -> + [true] : {$note} + *[other] {""} + } +middle_deprecated_in_version = use of {$kind} `{$path}` that will be deprecated in future version {$version}{$has_note -> + [true] : {$note} + *[other] {""} + } +middle_deprecated_suggestion = replace the use of the deprecated {$kind} + middle_drop_check_overflow = overflow while adding drop-check rules for {$ty} .note = overflowed on {$overflow_ty} diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 67bd53f53daeb..e5df05763b022 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -9,15 +9,15 @@ use rustc_attr::{ self as attr, ConstStability, DefaultBodyStability, DeprecatedSince, Deprecation, Stability, }; use rustc_data_structures::unord::UnordMap; -use rustc_errors::{Applicability, Diag}; +use rustc_errors::{Applicability, Diag, EmissionGuarantee}; use rustc_feature::GateIssue; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId, LocalDefIdMap}; use rustc_hir::{self as hir, HirId}; -use rustc_macros::{Decodable, Encodable, HashStable}; +use rustc_macros::{Decodable, Encodable, HashStable, Subdiagnostic}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_session::lint::builtin::{DEPRECATED, DEPRECATED_IN_FUTURE, SOFT_UNSTABLE}; -use rustc_session::lint::{BuiltinLintDiag, Level, Lint, LintBuffer}; +use rustc_session::lint::{BuiltinLintDiag, DeprecatedSinceKind, Level, Lint, LintBuffer}; use rustc_session::parse::feature_err_issue; use rustc_session::Session; use rustc_span::symbol::{sym, Symbol}; @@ -125,90 +125,107 @@ pub fn report_unstable( } } -pub fn deprecation_suggestion( - diag: &mut Diag<'_, ()>, - kind: &str, - suggestion: Option, - span: Span, -) { - if let Some(suggestion) = suggestion { - diag.span_suggestion_verbose( - span, - format!("replace the use of the deprecated {kind}"), - suggestion, - Applicability::MachineApplicable, - ); - } -} - fn deprecation_lint(is_in_effect: bool) -> &'static Lint { if is_in_effect { DEPRECATED } else { DEPRECATED_IN_FUTURE } } -fn deprecation_message( - is_in_effect: bool, - since: DeprecatedSince, - note: Option, - kind: &str, - path: &str, -) -> String { - let message = if is_in_effect { - format!("use of deprecated {kind} `{path}`") +#[derive(Subdiagnostic)] +#[suggestion( + middle_deprecated_suggestion, + code = "{suggestion}", + style = "verbose", + applicability = "machine-applicable" +)] +pub struct DeprecationSuggestion { + #[primary_span] + pub span: Span, + + pub kind: String, + pub suggestion: Symbol, +} + +pub struct Deprecated { + pub sub: Option, + + // FIXME: make this translatable + pub kind: String, + pub path: String, + pub note: Option, + pub since_kind: DeprecatedSinceKind, +} + +impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecated { + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { + diag.arg("kind", self.kind); + diag.arg("path", self.path); + if let DeprecatedSinceKind::InVersion(version) = self.since_kind { + diag.arg("version", version); + } + if let Some(note) = self.note { + diag.arg("has_note", true); + diag.arg("note", note); + } else { + diag.arg("has_note", false); + } + if let Some(sub) = self.sub { + diag.subdiagnostic(diag.dcx, sub); + } + } + + fn msg(&self) -> rustc_errors::DiagMessage { + match &self.since_kind { + DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated, + DeprecatedSinceKind::InFuture => crate::fluent_generated::middle_deprecated_in_future, + DeprecatedSinceKind::InVersion(_) => { + crate::fluent_generated::middle_deprecated_in_version + } + } + } +} + +fn deprecated_since_kind(is_in_effect: bool, since: DeprecatedSince) -> DeprecatedSinceKind { + if is_in_effect { + DeprecatedSinceKind::InEffect } else { match since { - DeprecatedSince::RustcVersion(version) => format!( - "use of {kind} `{path}` that will be deprecated in future version {version}" - ), - DeprecatedSince::Future => { - format!("use of {kind} `{path}` that will be deprecated in a future Rust version") + DeprecatedSince::RustcVersion(version) => { + DeprecatedSinceKind::InVersion(version.to_string()) } + DeprecatedSince::Future => DeprecatedSinceKind::InFuture, DeprecatedSince::NonStandard(_) | DeprecatedSince::Unspecified | DeprecatedSince::Err => { unreachable!("this deprecation is always in effect; {since:?}") } } - }; - - match note { - Some(reason) => format!("{message}: {reason}"), - None => message, } } -pub fn deprecation_message_and_lint( - depr: &Deprecation, - kind: &str, - path: &str, -) -> (String, &'static Lint) { - let is_in_effect = depr.is_in_effect(); - ( - deprecation_message(is_in_effect, depr.since, depr.note, kind, path), - deprecation_lint(is_in_effect), - ) -} - -pub fn early_report_deprecation( +pub fn early_report_macro_deprecation( lint_buffer: &mut LintBuffer, - message: String, - suggestion: Option, - lint: &'static Lint, + depr: &Deprecation, span: Span, node_id: NodeId, + path: String, ) { if span.in_derive_expansion() { return; } - let diag = BuiltinLintDiag::DeprecatedMacro(suggestion, span); - lint_buffer.buffer_lint_with_diagnostic(lint, node_id, span, message, diag); + let is_in_effect = depr.is_in_effect(); + let diag = BuiltinLintDiag::DeprecatedMacro { + suggestion: depr.suggestion, + suggestion_span: span, + note: depr.note, + path, + since_kind: deprecated_since_kind(is_in_effect, depr.since.clone()), + }; + lint_buffer.buffer_lint(deprecation_lint(is_in_effect), node_id, span, diag); } fn late_report_deprecation( tcx: TyCtxt<'_>, - message: String, - suggestion: Option, - lint: &'static Lint, + depr: &Deprecation, span: Span, method_span: Option, hir_id: HirId, @@ -217,13 +234,26 @@ fn late_report_deprecation( if span.in_derive_expansion() { return; } + + let def_path = with_no_trimmed_paths!(tcx.def_path_str(def_id)); + let def_kind = tcx.def_descr(def_id); + let is_in_effect = depr.is_in_effect(); + let method_span = method_span.unwrap_or(span); - tcx.node_span_lint(lint, hir_id, method_span, message, |diag| { - if let hir::Node::Expr(_) = tcx.hir_node(hir_id) { - let kind = tcx.def_descr(def_id); - deprecation_suggestion(diag, kind, suggestion, method_span); - } - }); + let suggestion = + if let hir::Node::Expr(_) = tcx.hir_node(hir_id) { depr.suggestion } else { None }; + let diag = Deprecated { + sub: suggestion.map(|suggestion| DeprecationSuggestion { + span: method_span, + kind: def_kind.to_owned(), + suggestion, + }), + kind: def_kind.to_owned(), + path: def_path, + note: depr.note, + since_kind: deprecated_since_kind(is_in_effect, depr.since), + }; + tcx.emit_node_span_lint(deprecation_lint(is_in_effect), hir_id, method_span, diag); } /// Result of `TyCtxt::eval_stability`. @@ -352,28 +382,9 @@ impl<'tcx> TyCtxt<'tcx> { // Calculating message for lint involves calling `self.def_path_str`. // Which by default to calculate visible path will invoke expensive `visible_parent_map` query. // So we skip message calculation altogether, if lint is allowed. - let is_in_effect = depr_attr.is_in_effect(); - let lint = deprecation_lint(is_in_effect); + let lint = deprecation_lint(depr_attr.is_in_effect()); if self.lint_level_at_node(lint, id).0 != Level::Allow { - let def_path = with_no_trimmed_paths!(self.def_path_str(def_id)); - let def_kind = self.def_descr(def_id); - - late_report_deprecation( - self, - deprecation_message( - is_in_effect, - depr_attr.since, - depr_attr.note, - def_kind, - &def_path, - ), - depr_attr.suggestion, - lint, - span, - method_span, - id, - def_id, - ); + late_report_deprecation(self, depr_attr, span, method_span, id, def_id); } } }; diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index d2d200a91aff2..6eb8bed6a8c4e 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -370,11 +370,10 @@ impl<'psess, 'src> StringReader<'psess, 'src> { let content = self.str_from(content_start); if contains_text_flow_control_chars(content) { let span = self.mk_sp(start, self.pos); - self.psess.buffer_lint_with_diagnostic( + self.psess.buffer_lint( TEXT_DIRECTION_CODEPOINT_IN_COMMENT, span, ast::CRATE_NODE_ID, - "unicode codepoint changing visible direction of text present in comment", BuiltinLintDiag::UnicodeTextFlow(span, content.to_string()), ); } @@ -723,12 +722,11 @@ impl<'psess, 'src> StringReader<'psess, 'src> { self.dcx().emit_err(errors::UnknownPrefix { span: prefix_span, prefix, sugg }); } else { // Before Rust 2021, only emit a lint for migration. - self.psess.buffer_lint_with_diagnostic( + self.psess.buffer_lint( RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, prefix_span, ast::CRATE_NODE_ID, - format!("prefix `{prefix}` is unknown"), - BuiltinLintDiag::ReservedPrefix(prefix_span), + BuiltinLintDiag::ReservedPrefix(prefix_span, prefix.to_string()), ); } } diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index d2d21624150bf..fd3f63a04de55 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -1913,11 +1913,10 @@ impl<'a> Parser<'a> { | ExprKind::Block(_, None) ) { - self.psess.buffer_lint_with_diagnostic( + self.psess.buffer_lint( BREAK_WITH_LABEL_AND_LOOP, lo.to(expr.span), ast::CRATE_NODE_ID, - "this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression", BuiltinLintDiag::BreakWithLabelAndLoop(expr.span), ); } diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index f88edf29dcebe..b91ef1ae1f320 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -10,6 +10,7 @@ use rustc_errors::{Applicability, FatalError, PResult}; use rustc_feature::{AttributeTemplate, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP}; use rustc_session::errors::report_lit_error; use rustc_session::lint::builtin::ILL_FORMED_ATTRIBUTE_INPUT; +use rustc_session::lint::BuiltinLintDiag; use rustc_session::parse::ParseSess; use rustc_span::{sym, Span, Symbol}; @@ -176,37 +177,26 @@ fn emit_malformed_attribute( }; let error_msg = format!("malformed `{name}` attribute input"); - let mut msg = "attribute must be of the form ".to_owned(); let mut suggestions = vec![]; - let mut first = true; let inner = if style == ast::AttrStyle::Inner { "!" } else { "" }; if template.word { - first = false; - let code = format!("#{inner}[{name}]"); - msg.push_str(&format!("`{code}`")); - suggestions.push(code); + suggestions.push(format!("#{inner}[{name}]")); } if let Some(descr) = template.list { - if !first { - msg.push_str(" or "); - } - first = false; - let code = format!("#{inner}[{name}({descr})]"); - msg.push_str(&format!("`{code}`")); - suggestions.push(code); + suggestions.push(format!("#{inner}[{name}({descr})]")); } if let Some(descr) = template.name_value_str { - if !first { - msg.push_str(" or "); - } - let code = format!("#{inner}[{name} = \"{descr}\"]"); - msg.push_str(&format!("`{code}`")); - suggestions.push(code); + suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); } - suggestions.sort(); if should_warn(name) { - psess.buffer_lint(ILL_FORMED_ATTRIBUTE_INPUT, span, ast::CRATE_NODE_ID, msg); + psess.buffer_lint( + ILL_FORMED_ATTRIBUTE_INPUT, + span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::IllFormedAttributeInput { suggestions: suggestions.clone() }, + ); } else { + suggestions.sort(); psess .dcx .struct_span_err(span, error_msg) diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 180e7f6def3a3..fc3669fecc2ad 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -32,7 +32,7 @@ use rustc_ast as ast; use rustc_ast::visit::{self, Visitor}; use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet}; use rustc_data_structures::unord::UnordSet; -use rustc_errors::{pluralize, MultiSpan}; +use rustc_errors::MultiSpan; use rustc_hir::def::{DefKind, Res}; use rustc_session::lint::builtin::{MACRO_USE_EXTERN_CRATE, UNUSED_EXTERN_CRATES}; use rustc_session::lint::builtin::{UNUSED_IMPORTS, UNUSED_QUALIFICATIONS}; @@ -151,11 +151,10 @@ impl<'a, 'b, 'tcx> UnusedImportCheckVisitor<'a, 'b, 'tcx> { // We do this in any edition. if warn_if_unused { if let Some(&span) = maybe_unused_extern_crates.get(&extern_crate.id) { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( UNUSED_EXTERN_CRATES, extern_crate.id, span, - "unused extern crate", BuiltinLintDiag::UnusedExternCrate { removal_span: extern_crate.span_with_attributes, }, @@ -204,11 +203,10 @@ impl<'a, 'b, 'tcx> UnusedImportCheckVisitor<'a, 'b, 'tcx> { .span .find_ancestor_inside(extern_crate.span) .unwrap_or(extern_crate.ident.span); - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( UNUSED_EXTERN_CRATES, extern_crate.id, extern_crate.span, - "`extern crate` is not idiomatic in the new edition", BuiltinLintDiag::ExternCrateNotIdiomatic { vis_span, ident_span }, ); } @@ -394,10 +392,7 @@ impl Resolver<'_, '_> { MACRO_USE_EXTERN_CRATE, import.root_id, import.span, - "deprecated `#[macro_use]` attribute used to \ - import macros should be replaced at use sites \ - with a `use` item to import the macro \ - instead", + BuiltinLintDiag::MacroUseDeprecated, ); } } @@ -414,8 +409,12 @@ impl Resolver<'_, '_> { } } ImportKind::MacroUse { .. } => { - let msg = "unused `#[macro_use]` import"; - self.lint_buffer.buffer_lint(UNUSED_IMPORTS, import.root_id, import.span, msg); + self.lint_buffer.buffer_lint( + UNUSED_IMPORTS, + import.root_id, + import.span, + BuiltinLintDiag::UnusedMacroUse, + ); } _ => {} } @@ -434,20 +433,12 @@ impl Resolver<'_, '_> { visitor.report_unused_extern_crate_items(maybe_unused_extern_crates); for unused in visitor.unused_imports.values() { - let mut fixes = Vec::new(); - let spans = match calc_unused_spans(unused, &unused.use_tree, unused.use_tree_id) { - UnusedSpanResult::Used => continue, - UnusedSpanResult::Unused { spans, remove } => { - fixes.push((remove, String::new())); - spans - } - UnusedSpanResult::PartialUnused { spans, remove } => { - for fix in &remove { - fixes.push((*fix, String::new())); - } - spans - } - }; + let (spans, remove_spans) = + match calc_unused_spans(unused, &unused.use_tree, unused.use_tree_id) { + UnusedSpanResult::Used => continue, + UnusedSpanResult::Unused { spans, remove } => (spans, vec![remove]), + UnusedSpanResult::PartialUnused { spans, remove } => (spans, remove), + }; let ms = MultiSpan::from_spans(spans); @@ -459,23 +450,8 @@ impl Resolver<'_, '_> { .collect::>(); span_snippets.sort(); - let msg = format!( - "unused import{}{}", - pluralize!(ms.primary_spans().len()), - if !span_snippets.is_empty() { - format!(": {}", span_snippets.join(", ")) - } else { - String::new() - } - ); - - let fix_msg = if fixes.len() == 1 && fixes[0].0 == unused.item_span { - "remove the whole `use` item" - } else if ms.primary_spans().len() > 1 { - "remove the unused imports" - } else { - "remove the unused import" - }; + let remove_whole_use = remove_spans.len() == 1 && remove_spans[0] == unused.item_span; + let num_to_remove = ms.primary_spans().len(); // If we are in the `--test` mode, suppress a help that adds the `#[cfg(test)]` // attribute; however, if not, suggest adding the attribute. There is no way to @@ -501,12 +477,17 @@ impl Resolver<'_, '_> { } }; - visitor.r.lint_buffer.buffer_lint_with_diagnostic( + visitor.r.lint_buffer.buffer_lint( UNUSED_IMPORTS, unused.use_tree_id, ms, - msg, - BuiltinLintDiag::UnusedImports(fix_msg.into(), fixes, test_module_span), + BuiltinLintDiag::UnusedImports { + remove_whole_use, + num_to_remove, + remove_spans, + test_module_span, + span_snippets, + }, ); } @@ -552,11 +533,10 @@ impl Resolver<'_, '_> { continue; } - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_QUALIFICATIONS, unn_qua.node_id, unn_qua.path_span, - "unnecessary qualification", BuiltinLintDiag::UnusedQualifications { removal_span: unn_qua.removal_span }, ); } diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index b28312fa473a7..856cfbc01e8cd 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -128,13 +128,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { self.report_with_use_injections(krate); for &(span_use, span_def) in &self.macro_expanded_macro_export_errors { - let msg = "macro-expanded `macro_export` macros from the current crate \ - cannot be referred to by absolute paths"; - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, CRATE_NODE_ID, span_use, - msg, BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def), ); } @@ -145,11 +142,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let NameBindingKind::Import { import, .. } = ambiguity_error.b1.0.kind else { unreachable!() }; - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( AMBIGUOUS_GLOB_IMPORTS, import.root_id, ambiguity_error.ident.span, - diag.msg.to_string(), BuiltinLintDiag::AmbiguousGlobImports { diag }, ); } else { @@ -526,12 +522,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } let diag = BuiltinLintDiag::AbsPathWithModule(root_span); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE, node_id, root_span, - "absolute paths must start with `self`, `super`, \ - `crate`, or an external crate name in the 2018 edition", diag, ); } diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index f88725830f1e7..57db765c07e55 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -524,18 +524,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { match binding { Ok(binding) => { if let Some(lint_id) = derive_fallback_lint_id { - this.lint_buffer.buffer_lint_with_diagnostic( + this.lint_buffer.buffer_lint( PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, lint_id, orig_ident.span, - format!( - "cannot find {} `{}` in this scope", - ns.descr(), - ident - ), - BuiltinLintDiag::ProcMacroDeriveResolutionFallback( - orig_ident.span, - ), + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { + span: orig_ident.span, + ns, + ident, + }, ); } let misc_flags = if module == this.graph_root { diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index f53bcb0e9d0de..51b87c5a9b038 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -619,11 +619,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && binding.res() != Res::Err && exported_ambiguities.contains(&binding) { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( AMBIGUOUS_GLOB_REEXPORTS, import.root_id, import.root_span, - "ambiguous glob re-exports", BuiltinLintDiag::AmbiguousGlobReexports { name: key.ident.to_string(), namespace: key.ns.descr().to_string(), @@ -655,11 +654,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && glob_binding.vis.is_public() && !binding.vis.is_public() { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( HIDDEN_GLOB_REEXPORTS, binding_id, binding.span, - "private item shadows public glob re-export", BuiltinLintDiag::HiddenGlobReexports { name: key.ident.name.to_string(), namespace: key.ns.descr().to_owned(), @@ -1015,17 +1013,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && !max_vis.is_at_least(import_vis, self.tcx) { let def_id = self.local_def_id(id); - let msg = format!( - "glob import doesn't reexport anything with visibility `{}` because no imported item is public enough", - import_vis.to_string(def_id, self.tcx) - ); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_IMPORTS, id, import.span, - msg, BuiltinLintDiag::RedundantImportVisibility { max_vis: max_vis.to_string(def_id, self.tcx), + import_vis: import_vis.to_string(def_id, self.tcx), span: import.span, }, ); @@ -1252,16 +1246,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if !any_successful_reexport { let (ns, binding) = reexport_error.unwrap(); if pub_use_of_private_extern_crate_hack(import, binding) { - let msg = format!( - "extern crate `{ident}` is private, and cannot be \ - re-exported (error E0365), consider declaring with \ - `pub`" - ); self.lint_buffer.buffer_lint( PUB_USE_OF_PRIVATE_EXTERN_CRATE, import_id, import.span, - msg, + BuiltinLintDiag::PrivateExternCrateReexport(ident), ); } else { if ns == TypeNS { @@ -1397,7 +1386,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { UNUSED_IMPORTS, id, import.span, - format!("the item `{source}` is imported redundantly"), BuiltinLintDiag::RedundantImport(redundant_spans, source), ); */ diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 0f585aafdd5cf..d1d0e336cfe05 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -24,7 +24,7 @@ use rustc_middle::middle::resolve_bound_vars::Set1; use rustc_middle::ty::DelegationFnSig; use rustc_middle::{bug, span_bug}; use rustc_session::config::{CrateType, ResolveDocLinks}; -use rustc_session::lint; +use rustc_session::lint::{self, BuiltinLintDiag}; use rustc_session::parse::feature_err; use rustc_span::source_map::{respan, Spanned}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; @@ -1675,16 +1675,10 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { return; } LifetimeRibKind::AnonymousWarn(node_id) => { - let msg = if elided { - "`&` without an explicit lifetime name cannot be used here" - } else { - "`'_` cannot be used here" - }; - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, node_id, lifetime.ident.span, - msg, lint::BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span: lifetime.ident.span, @@ -1966,11 +1960,10 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } if should_lint { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::ELIDED_LIFETIMES_IN_PATHS, segment_id, elided_lifetime_span, - "hidden lifetime parameters in types are deprecated", lint::BuiltinLintDiag::ElidedLifetimesInPaths( expected_lifetimes, path_span, @@ -4822,7 +4815,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { late_resolution_visitor.resolve_doc_links(&krate.attrs, MaybeExported::Ok(CRATE_NODE_ID)); visit::walk_crate(&mut late_resolution_visitor, krate); for (id, span) in late_resolution_visitor.diag_metadata.unused_labels.iter() { - self.lint_buffer.buffer_lint(lint::builtin::UNUSED_LABELS, *id, *span, "unused label"); + self.lint_buffer.buffer_lint( + lint::builtin::UNUSED_LABELS, + *id, + *span, + BuiltinLintDiag::UnusedLabel, + ); } } } diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 980f43b08064b..9daa22f89d2c4 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -2652,15 +2652,15 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let deletion_span = if param.bounds.is_empty() { deletion_span() } else { None }; - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::SINGLE_USE_LIFETIMES, param.id, param.ident.span, - format!("lifetime parameter `{}` only used once", param.ident), lint::BuiltinLintDiag::SingleUseLifetime { param_span: param.ident.span, use_span: Some((use_span, elidable)), deletion_span, + ident: param.ident, }, ); } @@ -2670,15 +2670,15 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { // if the lifetime originates from expanded code, we won't be able to remove it #104432 if deletion_span.is_some_and(|sp| !sp.in_derive_expansion()) { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::UNUSED_LIFETIMES, param.id, param.ident.span, - format!("lifetime parameter `{}` never used", param.ident), lint::BuiltinLintDiag::SingleUseLifetime { param_span: param.ident.span, use_span: None, deletion_span, + ident: param.ident, }, ); } diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 01bcfec4bdc0b..f4c5ad8f6721a 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -51,7 +51,7 @@ use rustc_middle::ty::{self, DelegationFnSig, Feed, MainDefinition, RegisteredTo use rustc_middle::ty::{ResolverGlobalCtxt, ResolverOutputs, TyCtxt, TyCtxtFeed}; use rustc_query_system::ich::StableHashingContext; use rustc_session::lint::builtin::PRIVATE_MACRO_USE; -use rustc_session::lint::LintBuffer; +use rustc_session::lint::{BuiltinLintDiag, LintBuffer}; use rustc_span::hygiene::{ExpnId, LocalExpnId, MacroKind, SyntaxContext, Transparency}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; @@ -1860,8 +1860,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if let NameBindingKind::Import { import, binding } = used_binding.kind { if let ImportKind::MacroUse { warn_private: true } = import.kind { - let msg = format!("macro `{ident}` is private"); - self.lint_buffer().buffer_lint(PRIVATE_MACRO_USE, import.root_id, ident.span, msg); + self.lint_buffer().buffer_lint( + PRIVATE_MACRO_USE, + import.root_id, + ident.span, + BuiltinLintDiag::MacroIsPrivate(ident), + ); } // Avoid marking `extern crate` items that refer to a name from extern prelude, // but not introduce it, as used if they are accessed from lexical scope. diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index f8d245f94e53a..092eb1ce2eed6 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -315,7 +315,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { UNUSED_MACROS, node_id, ident.span, - format!("unused macro definition: `{}`", ident.name), + BuiltinLintDiag::UnusedMacroDefinition(ident.name), ); } for (&(def_id, arm_i), &(ident, rule_span)) in self.unused_macro_rules.iter() { @@ -328,7 +328,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { UNUSED_MACRO_RULES, node_id, rule_span, - format!("rule #{} of macro `{}` is never used", arm_i + 1, ident.name), + BuiltinLintDiag::MacroRuleNeverUsed(arm_i, ident.name), ); } } @@ -552,14 +552,25 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // We are trying to avoid reporting this error if other related errors were reported. if res != Res::Err && inner_attr && !self.tcx.features().custom_inner_attributes { - let msg = match res { - Res::Def(..) => "inner macro attributes are unstable", - Res::NonMacroAttr(..) => "custom inner attributes are unstable", + let is_macro = match res { + Res::Def(..) => true, + Res::NonMacroAttr(..) => false, _ => unreachable!(), }; if soft_custom_inner_attributes_gate { - self.tcx.sess.psess.buffer_lint(SOFT_UNSTABLE, path.span, node_id, msg); + self.tcx.sess.psess.buffer_lint( + SOFT_UNSTABLE, + path.span, + node_id, + BuiltinLintDiag::InnerAttributeUnstable { is_macro }, + ); } else { + // FIXME: deduplicate with rustc_lint (`BuiltinLintDiag::InnerAttributeUnstable`) + let msg = if is_macro { + "inner macro attributes are unstable" + } else { + "custom inner attributes are unstable" + }; feature_err(&self.tcx.sess, sym::custom_inner_attributes, path.span, msg).emit(); } } @@ -572,17 +583,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let distance = edit_distance(attribute.ident.name.as_str(), sym::on_unimplemented.as_str(), 5); - let help = if distance.is_some() { - BuiltinLintDiag::MaybeTypo { span: attribute.span(), name: sym::on_unimplemented } - } else { - BuiltinLintDiag::Normal - }; - self.tcx.sess.psess.buffer_lint_with_diagnostic( + let typo_name = distance.map(|_| sym::on_unimplemented); + + self.tcx.sess.psess.buffer_lint( UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, attribute.span(), node_id, - "unknown diagnostic attribute", - help, + BuiltinLintDiag::UnknownDiagnosticAttribute { span: attribute.span(), typo_name }, ); } @@ -782,11 +789,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { .invocation_parents .get(&parent_scope.expansion) .map_or(ast::CRATE_NODE_ID, |id| self.def_id_to_node_id[id.0]); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( LEGACY_DERIVE_HELPERS, node_id, ident.span, - "derive helper attribute is used before it is introduced", BuiltinLintDiag::LegacyDeriveHelpers(binding.span), ); } @@ -836,8 +842,17 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let allowed_by_implication = implied_by.is_some_and(|feature| is_allowed(feature)); if !is_allowed(feature) && !allowed_by_implication { let lint_buffer = &mut self.lint_buffer; - let soft_handler = - |lint, span, msg: String| lint_buffer.buffer_lint(lint, node_id, span, msg); + let soft_handler = |lint, span, msg: String| { + lint_buffer.buffer_lint( + lint, + node_id, + span, + BuiltinLintDiag::UnstableFeature( + // FIXME make this translatable + msg.into(), + ), + ) + }; stability::report_unstable( self.tcx.sess, feature, @@ -853,14 +868,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if let Some(depr) = &ext.deprecation { let path = pprust::path_to_string(path); - let (message, lint) = stability::deprecation_message_and_lint(depr, "macro", &path); - stability::early_report_deprecation( + stability::early_report_macro_deprecation( &mut self.lint_buffer, - message, - depr.suggestion, - lint, + depr, span, node_id, + path, ); } } diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index f6053f43fbd19..df07f81bc4573 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -305,32 +305,12 @@ impl ParseSess { lint: &'static Lint, span: impl Into, node_id: NodeId, - msg: impl Into, - ) { - self.buffered_lints.with_lock(|buffered_lints| { - buffered_lints.push(BufferedEarlyLint { - span: span.into(), - node_id, - msg: msg.into(), - lint_id: LintId::of(lint), - diagnostic: BuiltinLintDiag::Normal, - }); - }); - } - - pub fn buffer_lint_with_diagnostic( - &self, - lint: &'static Lint, - span: impl Into, - node_id: NodeId, - msg: impl Into, diagnostic: BuiltinLintDiag, ) { self.buffered_lints.with_lock(|buffered_lints| { buffered_lints.push(BufferedEarlyLint { span: span.into(), node_id, - msg: msg.into(), lint_id: LintId::of(lint), diagnostic, }); diff --git a/compiler/rustc_session/src/version.rs b/compiler/rustc_session/src/version.rs index 39e4541349ecd..e244c77f7f95b 100644 --- a/compiler/rustc_session/src/version.rs +++ b/compiler/rustc_session/src/version.rs @@ -1,5 +1,10 @@ use rustc_macros::{current_rustc_version, Decodable, Encodable, HashStable_Generic}; -use std::fmt::{self, Display}; +use std::{ + borrow::Cow, + fmt::{self, Display}, +}; + +use rustc_errors::IntoDiagArg; #[derive(Encodable, Decodable, Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)] #[derive(HashStable_Generic)] @@ -18,3 +23,9 @@ impl Display for RustcVersion { write!(formatter, "{}.{}.{}", self.major, self.minor, self.patch) } } + +impl IntoDiagArg for RustcVersion { + fn into_diag_arg(self) -> rustc_errors::DiagArgValue { + rustc_errors::DiagArgValue::Str(Cow::Owned(self.to_string())) + } +} diff --git a/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr b/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr index 75df314e0baa7..82b2d7d1b1da6 100644 --- a/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr +++ b/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr @@ -1,4 +1,4 @@ -error: `crate_type` within an `#![cfg_attr] attribute is deprecated` +error: `crate_type` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:18 | LL | #![cfg_attr(foo, crate_type="bin")] @@ -8,7 +8,7 @@ LL | #![cfg_attr(foo, crate_type="bin")] = note: for more information, see issue #91632 = note: `#[deny(deprecated_cfg_attr_crate_type_name)]` on by default -error: `crate_name` within an `#![cfg_attr] attribute is deprecated` +error: `crate_name` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:9:18 | LL | #![cfg_attr(foo, crate_name="bar")] @@ -17,7 +17,7 @@ LL | #![cfg_attr(foo, crate_name="bar")] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #91632 -error: `crate_type` within an `#![cfg_attr] attribute is deprecated` +error: `crate_type` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:18 | LL | #![cfg_attr(foo, crate_type="bin")] @@ -27,7 +27,7 @@ LL | #![cfg_attr(foo, crate_type="bin")] = note: for more information, see issue #91632 = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: `crate_name` within an `#![cfg_attr] attribute is deprecated` +error: `crate_name` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:9:18 | LL | #![cfg_attr(foo, crate_name="bar")] diff --git a/tests/ui/check-cfg/allow-same-level.stderr b/tests/ui/check-cfg/allow-same-level.stderr index ae4c1605f0162..b311a80c8fd5b 100644 --- a/tests/ui/check-cfg/allow-same-level.stderr +++ b/tests/ui/check-cfg/allow-same-level.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `FALSE` LL | #[cfg(FALSE)] | ^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(FALSE)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index a940eda468980..9d3117ed54d1b 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -25,7 +25,7 @@ warning: unexpected `cfg` condition name: `tokio_unstable` LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index 70d3182eec8c5..14e24cb1429ab 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -25,7 +25,7 @@ warning: unexpected `cfg` condition name: `tokio_unstable` LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `CONFIG_NVME`, `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `CONFIG_NVME`, `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr index 4975129802b69..08bd43832ea18 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `value` LL | #[cfg(value)] | ^^^^^ | - = help: expected names are: `bar`, `bee`, `clippy`, `cow`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `bar`, `bee`, `clippy`, `cow`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(value)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr index 6404556f46c4b..6db1144eada41 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `my_value` LL | #[cfg(my_value)] | ^^^^^^^^ | - = help: expected names are: `bar`, `clippy`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `bar`, `clippy`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(my_value)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr index bda1a601410e6..a5f8176343a4c 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `linux` LL | #[cfg(linux)] | ^^^^^ help: found config with similar value: `target_os = "linux"` | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(linux)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/compact-names.stderr b/tests/ui/check-cfg/compact-names.stderr index 079be8d08c29b..6fecdb52362e8 100644 --- a/tests/ui/check-cfg/compact-names.stderr +++ b/tests/ui/check-cfg/compact-names.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `target_architecture` LL | #[cfg(target(os = "linux", architecture = "arm"))] | ^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(target_architecture, values("arm"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/compact-values.stderr b/tests/ui/check-cfg/compact-values.stderr index 4fe921dd24b20..c8d14f8c02aa5 100644 --- a/tests/ui/check-cfg/compact-values.stderr +++ b/tests/ui/check-cfg/compact-values.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition value: `X` LL | #[cfg(target(os = "linux", pointer_width = "X"))] | ^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_pointer_width` are: `16`, `32`, `64` + = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/concat-values.stderr b/tests/ui/check-cfg/concat-values.stderr index a508c3976617d..ec740952f573e 100644 --- a/tests/ui/check-cfg/concat-values.stderr +++ b/tests/ui/check-cfg/concat-values.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition value: (none) LL | #[cfg(my_cfg)] | ^^^^^^ | - = note: expected values for `my_cfg` are: `bar`, `foo` + = note: expected values for `my_cfg` are: `bar` and `foo` = help: to expect this configuration use `--check-cfg=cfg(my_cfg)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default @@ -15,7 +15,7 @@ warning: unexpected `cfg` condition value: `unk` LL | #[cfg(my_cfg = "unk")] | ^^^^^^^^^^^^^^ | - = note: expected values for `my_cfg` are: `bar`, `foo` + = note: expected values for `my_cfg` are: `bar` and `foo` = help: to expect this configuration use `--check-cfg=cfg(my_cfg, values("unk"))` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr b/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr index 755373d7b77af..2497864e87ec4 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.feature.stderr b/tests/ui/check-cfg/exhaustive-names-values.feature.stderr index 6344739ae7670..a7d4c6d4df66e 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.feature.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.feature.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.full.stderr b/tests/ui/check-cfg/exhaustive-names-values.full.stderr index 6344739ae7670..a7d4c6d4df66e 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.full.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.full.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names.stderr b/tests/ui/check-cfg/exhaustive-names.stderr index 605825cd4e584..7ac3241db5f8e 100644 --- a/tests/ui/check-cfg/exhaustive-names.stderr +++ b/tests/ui/check-cfg/exhaustive-names.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/mix.stderr b/tests/ui/check-cfg/mix.stderr index 5459169914530..8c1bf5a11607d 100644 --- a/tests/ui/check-cfg/mix.stderr +++ b/tests/ui/check-cfg/mix.stderr @@ -44,7 +44,7 @@ warning: unexpected `cfg` condition name: `uu` LL | #[cfg_attr(uu, test)] | ^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(uu)` = note: see for more information about checking conditional configuration @@ -251,7 +251,7 @@ warning: unexpected `cfg` condition value: `zebra` LL | cfg!(target_feature = "zebra"); | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2` and 188 more + = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, and `bmi2` and 188 more = note: see for more information about checking conditional configuration warning: 27 warnings emitted diff --git a/tests/ui/check-cfg/stmt-no-ice.stderr b/tests/ui/check-cfg/stmt-no-ice.stderr index ab0deae428d17..e8b61d808fe5b 100644 --- a/tests/ui/check-cfg/stmt-no-ice.stderr +++ b/tests/ui/check-cfg/stmt-no-ice.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `crossbeam_loom` LL | #[cfg(crossbeam_loom)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(crossbeam_loom)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/unexpected-cfg-value.stderr b/tests/ui/check-cfg/unexpected-cfg-value.stderr index efcf65bb707e3..0fa0dde41b6df 100644 --- a/tests/ui/check-cfg/unexpected-cfg-value.stderr +++ b/tests/ui/check-cfg/unexpected-cfg-value.stderr @@ -6,7 +6,7 @@ LL | #[cfg(feature = "sedre")] | | | help: there is a expected value with a similar name: `"serde"` | - = note: expected values for `feature` are: `full`, `serde` + = note: expected values for `feature` are: `full` and `serde` = help: to expect this configuration use `--check-cfg=cfg(feature, values("sedre"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default @@ -17,7 +17,7 @@ warning: unexpected `cfg` condition value: `rand` LL | #[cfg(feature = "rand")] | ^^^^^^^^^^^^^^^^ | - = note: expected values for `feature` are: `full`, `serde` + = note: expected values for `feature` are: `full` and `serde` = help: to expect this configuration use `--check-cfg=cfg(feature, values("rand"))` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/well-known-names.stderr b/tests/ui/check-cfg/well-known-names.stderr index 2ce6fe80ef20f..41130210df1ec 100644 --- a/tests/ui/check-cfg/well-known-names.stderr +++ b/tests/ui/check-cfg/well-known-names.stderr @@ -18,7 +18,7 @@ warning: unexpected `cfg` condition name: `features` LL | #[cfg(features = "foo")] | ^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(features, values("foo"))` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr index db4a5fd49e6a9..c13446bb9f89b 100644 --- a/tests/ui/check-cfg/well-known-values.stderr +++ b/tests/ui/check-cfg/well-known-values.stderr @@ -71,7 +71,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | panic = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `panic` are: `abort`, `unwind` + = note: expected values for `panic` are: `abort` and `unwind` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -91,7 +91,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | relocation_model = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `relocation_model` are: `dynamic-no-pic`, `pic`, `pie`, `ropi`, `ropi-rwpi`, `rwpi`, `static` + = note: expected values for `relocation_model` are: `dynamic-no-pic`, `pic`, `pie`, `ropi`, `ropi-rwpi`, `rwpi`, and `static` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -111,7 +111,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | sanitize = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `sanitize` are: `address`, `cfi`, `dataflow`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `safestack`, `shadow-call-stack`, `thread` + = note: expected values for `sanitize` are: `address`, `cfi`, `dataflow`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `safestack`, `shadow-call-stack`, and `thread` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -120,7 +120,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_abi = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_abi` are: ``, `abi64`, `abiv2`, `abiv2hf`, `eabi`, `eabihf`, `elf`, `fortanix`, `ilp32`, `llvm`, `macabi`, `sim`, `softfloat`, `spe`, `uwp`, `vec-extabi`, `x32` + = note: expected values for `target_abi` are: ``, `abi64`, `abiv2`, `abiv2hf`, `eabi`, `eabihf`, `elf`, `fortanix`, `ilp32`, `llvm`, `macabi`, `sim`, `softfloat`, `spe`, `uwp`, `vec-extabi`, and `x32` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -129,7 +129,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_arch = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64` + = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, and `x86_64` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -138,7 +138,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_endian = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_endian` are: `big`, `little` + = note: expected values for `target_endian` are: `big` and `little` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -147,7 +147,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_env = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_env` are: ``, `gnu`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `ohos`, `p2`, `psx`, `relibc`, `sgx`, `uclibc` + = note: expected values for `target_env` are: ``, `gnu`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `ohos`, `p2`, `psx`, `relibc`, `sgx`, and `uclibc` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -156,7 +156,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_family = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_family` are: `unix`, `wasm`, `windows` + = note: expected values for `target_family` are: `unix`, `wasm`, and `windows` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -165,7 +165,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_feature = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, `bulk-memory`, `c`, `cache`, `cmpxchg16b`, `crc`, `crt-static`, `d`, `d32`, `dit`, `doloop`, `dotprod`, `dpb`, `dpb2`, `dsp`, `dsp1e2`, `dspe60`, `e`, `e1`, `e2`, `edsp`, `elrw`, `ermsb`, `exception-handling`, `extended-const`, `f`, `f16c`, `f32mm`, `f64mm`, `fcma`, `fdivdu`, `fhm`, `flagm`, `float1e2`, `float1e3`, `float3e4`, `float7e60`, `floate1`, `fma`, `fp-armv8`, `fp16`, `fp64`, `fpuv2_df`, `fpuv2_sf`, `fpuv3_df`, `fpuv3_hf`, `fpuv3_hi`, `fpuv3_sf`, `frecipe`, `frintts`, `fxsr`, `gfni`, `hard-float`, `hard-float-abi`, `hard-tp`, `high-registers`, `hvx`, `hvx-length128b`, `hwdiv`, `i8mm`, `jsconv`, `lahfsahf`, `lasx`, `lbt`, `lor`, `lse`, `lsx`, `lvz`, `lzcnt`, `m`, `mclass`, `movbe`, `mp`, `mp1e2`, `msa`, `mte`, `multivalue`, `mutable-globals`, `neon`, `nontrapping-fptoint`, `nvic`, `paca`, `pacg`, `pan`, `pclmulqdq`, `pmuv3`, `popcnt`, `power10-vector`, `power8-altivec`, `power8-vector`, `power9-altivec`, `power9-vector`, `prfchw`, `rand`, `ras`, `rclass`, `rcpc`, `rcpc2`, `rdm`, `rdrand`, `rdseed`, `reference-types`, `relax`, `relaxed-simd`, `rtm`, `sb`, `sha`, `sha2`, `sha3`, `sign-ext`, `simd128`, `sm4`, `spe`, `ssbs`, `sse`, `sse2`, `sse3`, `sse4.1`, `sse4.2`, `sse4a`, `ssse3`, `sve`, `sve2`, `sve2-aes`, `sve2-bitperm`, `sve2-sha3`, `sve2-sm4`, `tbm`, `thumb-mode`, `thumb2`, `tme`, `trust`, `trustzone`, `ual`, `unaligned-scalar-mem`, `v`, `v5te`, `v6`, `v6k`, `v6t2`, `v7`, `v8`, `v8.1a`, `v8.2a`, `v8.3a`, `v8.4a`, `v8.5a`, `v8.6a`, `v8.7a`, `vaes`, `vdsp2e60f`, `vdspv1`, `vdspv2`, `vfp2`, `vfp3`, `vfp4`, `vh`, `virt`, `virtualization`, `vpclmulqdq`, `vsx`, `xsave`, `xsavec`, `xsaveopt`, `xsaves`, `zba`, `zbb`, `zbc`, `zbkb`, `zbkc`, `zbkx`, `zbs`, `zdinx`, `zfh`, `zfhmin`, `zfinx`, `zhinx`, `zhinxmin`, `zk`, `zkn`, `zknd`, `zkne`, `zknh`, `zkr`, `zks`, `zksed`, `zksh`, `zkt` + = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, `bulk-memory`, `c`, `cache`, `cmpxchg16b`, `crc`, `crt-static`, `d`, `d32`, `dit`, `doloop`, `dotprod`, `dpb`, `dpb2`, `dsp`, `dsp1e2`, `dspe60`, `e`, `e1`, `e2`, `edsp`, `elrw`, `ermsb`, `exception-handling`, `extended-const`, `f`, `f16c`, `f32mm`, `f64mm`, `fcma`, `fdivdu`, `fhm`, `flagm`, `float1e2`, `float1e3`, `float3e4`, `float7e60`, `floate1`, `fma`, `fp-armv8`, `fp16`, `fp64`, `fpuv2_df`, `fpuv2_sf`, `fpuv3_df`, `fpuv3_hf`, `fpuv3_hi`, `fpuv3_sf`, `frecipe`, `frintts`, `fxsr`, `gfni`, `hard-float`, `hard-float-abi`, `hard-tp`, `high-registers`, `hvx`, `hvx-length128b`, `hwdiv`, `i8mm`, `jsconv`, `lahfsahf`, `lasx`, `lbt`, `lor`, `lse`, `lsx`, `lvz`, `lzcnt`, `m`, `mclass`, `movbe`, `mp`, `mp1e2`, `msa`, `mte`, `multivalue`, `mutable-globals`, `neon`, `nontrapping-fptoint`, `nvic`, `paca`, `pacg`, `pan`, `pclmulqdq`, `pmuv3`, `popcnt`, `power10-vector`, `power8-altivec`, `power8-vector`, `power9-altivec`, `power9-vector`, `prfchw`, `rand`, `ras`, `rclass`, `rcpc`, `rcpc2`, `rdm`, `rdrand`, `rdseed`, `reference-types`, `relax`, `relaxed-simd`, `rtm`, `sb`, `sha`, `sha2`, `sha3`, `sign-ext`, `simd128`, `sm4`, `spe`, `ssbs`, `sse`, `sse2`, `sse3`, `sse4.1`, `sse4.2`, `sse4a`, `ssse3`, `sve`, `sve2`, `sve2-aes`, `sve2-bitperm`, `sve2-sha3`, `sve2-sm4`, `tbm`, `thumb-mode`, `thumb2`, `tme`, `trust`, `trustzone`, `ual`, `unaligned-scalar-mem`, `v`, `v5te`, `v6`, `v6k`, `v6t2`, `v7`, `v8`, `v8.1a`, `v8.2a`, `v8.3a`, `v8.4a`, `v8.5a`, `v8.6a`, `v8.7a`, `vaes`, `vdsp2e60f`, `vdspv1`, `vdspv2`, `vfp2`, `vfp3`, `vfp4`, `vh`, `virt`, `virtualization`, `vpclmulqdq`, `vsx`, `xsave`, `xsavec`, `xsaveopt`, `xsaves`, `zba`, `zbb`, `zbc`, `zbkb`, `zbkc`, `zbkx`, `zbs`, `zdinx`, `zfh`, `zfhmin`, `zfinx`, `zhinx`, `zhinxmin`, `zk`, `zkn`, `zknd`, `zkne`, `zknh`, `zkr`, `zks`, `zksed`, `zksh`, and `zkt` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -174,7 +174,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_has_atomic = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_has_atomic` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr` + = note: expected values for `target_has_atomic` are: (none), `128`, `16`, `32`, `64`, `8`, and `ptr` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -183,7 +183,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_has_atomic_equal_alignment = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_has_atomic_equal_alignment` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr` + = note: expected values for `target_has_atomic_equal_alignment` are: (none), `128`, `16`, `32`, `64`, `8`, and `ptr` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -192,7 +192,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_has_atomic_load_store = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_has_atomic_load_store` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr` + = note: expected values for `target_has_atomic_load_store` are: (none), `128`, `16`, `32`, `64`, `8`, and `ptr` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -201,7 +201,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_os = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm` + = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -210,7 +210,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_pointer_width = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_pointer_width` are: `16`, `32`, `64` + = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -230,7 +230,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_vendor = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_vendor` are: `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `nintendo`, `nvidia`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `win7`, `wrs` + = note: expected values for `target_vendor` are: `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `nintendo`, `nvidia`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `win7`, and `wrs` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -285,7 +285,7 @@ LL | #[cfg(target_os = "linuz")] // testing that we suggest `linux` | | | help: there is a expected value with a similar name: `"linux"` | - = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm` + = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm` = note: see for more information about checking conditional configuration warning: 29 warnings emitted diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs index bd3b69c2b4a6a..ca60bc62b5183 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs @@ -45,7 +45,7 @@ mod inline { //~| NOTE not a function or closure #[inline = "2100"] fn f() { } - //~^ ERROR attribute must be of the form + //~^ ERROR valid forms for the attribute are //~| WARN this was previously accepted //~| NOTE #[deny(ill_formed_attribute_input)]` on by default //~| NOTE for more information, see issue #57571 diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr index 89fa2abffc2fc..ac2bf78157d27 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr @@ -7,7 +7,7 @@ LL | #![rustc_main] = help: add `#![feature(rustc_attrs)]` 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: attribute must be of the form `#[inline]` or `#[inline(always|never)]` +error: valid forms for the attribute are `#[inline]` and `#[inline(always|never)]` --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:47:5 | LL | #[inline = "2100"] fn f() { } diff --git a/tests/ui/lint/anonymous-reexport.stderr b/tests/ui/lint/anonymous-reexport.stderr index e3854a5459ec0..c4ee18fe8da2a 100644 --- a/tests/ui/lint/anonymous-reexport.stderr +++ b/tests/ui/lint/anonymous-reexport.stderr @@ -34,7 +34,7 @@ error: unused import: `Bar as _` LL | pub use self::my_mod::{Bar as _, Foo as _}; | ^^^^^^^^ -error: unused imports: `Bar as _`, `TyBar as _` +error: unused imports: `Bar as _` and `TyBar as _` --> $DIR/anonymous-reexport.rs:17:24 | LL | pub use self::my_mod::{Bar as _, TyBar as _}; diff --git a/tests/ui/lint/unused/import_remove_line.stderr b/tests/ui/lint/unused/import_remove_line.stderr index 0e8c5de3558e5..b2a16669a9398 100644 --- a/tests/ui/lint/unused/import_remove_line.stderr +++ b/tests/ui/lint/unused/import_remove_line.stderr @@ -1,4 +1,4 @@ -warning: unused imports: `Duration`, `Instant` +warning: unused imports: `Duration` and `Instant` --> $DIR/import_remove_line.rs:7:17 | LL | use std::time::{Duration, Instant}; diff --git a/tests/ui/lint/unused/lint-unused-imports.rs b/tests/ui/lint/unused/lint-unused-imports.rs index 88f2baa5da9b3..710fb7a5ed12a 100644 --- a/tests/ui/lint/unused/lint-unused-imports.rs +++ b/tests/ui/lint/unused/lint-unused-imports.rs @@ -10,7 +10,7 @@ use std::fmt::{}; // Should get errors for both 'Some' and 'None' use std::option::Option::{Some, None}; -//~^ ERROR unused imports: `None`, `Some` +//~^ ERROR unused imports: `None` and `Some` use test::A; //~ ERROR unused import: `test::A` // Be sure that if we just bring some methods into scope that they're also diff --git a/tests/ui/lint/unused/lint-unused-imports.stderr b/tests/ui/lint/unused/lint-unused-imports.stderr index 07684a84a64ff..a848fb31ebaba 100644 --- a/tests/ui/lint/unused/lint-unused-imports.stderr +++ b/tests/ui/lint/unused/lint-unused-imports.stderr @@ -10,7 +10,7 @@ note: the lint level is defined here LL | #![deny(unused_imports)] | ^^^^^^^^^^^^^^ -error: unused imports: `None`, `Some` +error: unused imports: `None` and `Some` --> $DIR/lint-unused-imports.rs:12:27 | LL | use std::option::Option::{Some, None}; diff --git a/tests/ui/malformed/malformed-regressions.rs b/tests/ui/malformed/malformed-regressions.rs index ac1444bbaef4e..f0a7aac59c1cc 100644 --- a/tests/ui/malformed/malformed-regressions.rs +++ b/tests/ui/malformed/malformed-regressions.rs @@ -1,8 +1,8 @@ -#[doc] //~ ERROR attribute must be of the form +#[doc] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted -#[ignore()] //~ ERROR attribute must be of the form +#[ignore()] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted -#[inline = ""] //~ ERROR attribute must be of the form +#[inline = ""] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted #[link] //~ ERROR attribute must be of the form //~^ WARN this was previously accepted diff --git a/tests/ui/malformed/malformed-regressions.stderr b/tests/ui/malformed/malformed-regressions.stderr index 9bfbe7ebafd76..e1dbdb9ab3c66 100644 --- a/tests/ui/malformed/malformed-regressions.stderr +++ b/tests/ui/malformed/malformed-regressions.stderr @@ -1,4 +1,4 @@ -error: attribute must be of the form `#[doc(hidden|inline|...)]` or `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` --> $DIR/malformed-regressions.rs:1:1 | LL | #[doc] @@ -8,7 +8,7 @@ LL | #[doc] = note: for more information, see issue #57571 = note: `#[deny(ill_formed_attribute_input)]` on by default -error: attribute must be of the form `#[ignore]` or `#[ignore = "reason"]` +error: valid forms for the attribute are `#[ignore]` and `#[ignore = "reason"]` --> $DIR/malformed-regressions.rs:3:1 | LL | #[ignore()] @@ -17,7 +17,7 @@ LL | #[ignore()] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #57571 -error: attribute must be of the form `#[inline]` or `#[inline(always|never)]` +error: valid forms for the attribute are `#[inline]` and `#[inline(always|never)]` --> $DIR/malformed-regressions.rs:5:1 | LL | #[inline = ""] diff --git a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs index 653dcab577148..796ba4d233201 100644 --- a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs +++ b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs @@ -6,7 +6,7 @@ mod rank { pub use self::Lieutenant::{JuniorGrade, Full}; //~^ ERROR `JuniorGrade` is private, and cannot be re-exported //~| ERROR `Full` is private, and cannot be re-exported - //~| ERROR unused imports: `Full`, `JuniorGrade` + //~| ERROR unused imports: `Full` and `JuniorGrade` pub use self::PettyOfficer::*; //~^ ERROR glob import doesn't reexport anything //~| ERROR unused import: `self::PettyOfficer::*` diff --git a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr index 93a39edbb8232..f1701d547a62f 100644 --- a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr +++ b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr @@ -46,7 +46,7 @@ error: unused import: `self::Professor::*` LL | pub use self::Professor::*; | ^^^^^^^^^^^^^^^^^^ -error: unused imports: `Full`, `JuniorGrade` +error: unused imports: `Full` and `JuniorGrade` --> $DIR/issue-46209-private-enum-variant-reexport.rs:6:32 | LL | pub use self::Lieutenant::{JuniorGrade, Full}; diff --git a/tests/ui/span/multispan-import-lint.stderr b/tests/ui/span/multispan-import-lint.stderr index 4a955d1b31f58..a4ea1af237bdd 100644 --- a/tests/ui/span/multispan-import-lint.stderr +++ b/tests/ui/span/multispan-import-lint.stderr @@ -1,4 +1,4 @@ -warning: unused imports: `Eq`, `Ord`, `PartialEq`, `PartialOrd` +warning: unused imports: `Eq`, `Ord`, `PartialEq`, and `PartialOrd` --> $DIR/multispan-import-lint.rs:5:16 | LL | use std::cmp::{Eq, Ord, min, PartialEq, PartialOrd}; diff --git a/tests/ui/suggestions/unused-imports.stderr b/tests/ui/suggestions/unused-imports.stderr index bf112608da7ed..31edb4e5ec20d 100644 --- a/tests/ui/suggestions/unused-imports.stderr +++ b/tests/ui/suggestions/unused-imports.stderr @@ -1,4 +1,4 @@ -warning: unused imports: `A`, `C` +warning: unused imports: `A` and `C` --> $DIR/unused-imports.rs:22:14 | LL | use nested::{A, B, C}; @@ -10,7 +10,7 @@ note: the lint level is defined here LL | #![warn(unused_imports)] | ^^^^^^^^^^^^^^ -warning: unused imports: `D`, `E`, `G` +warning: unused imports: `D`, `E`, and `G` --> $DIR/unused-imports.rs:26:5 | LL | D, diff --git a/tests/ui/use/use-nested-groups-unused-imports.rs b/tests/ui/use/use-nested-groups-unused-imports.rs index ca6b8ba94d1ca..0c8ae558a5971 100644 --- a/tests/ui/use/use-nested-groups-unused-imports.rs +++ b/tests/ui/use/use-nested-groups-unused-imports.rs @@ -13,7 +13,7 @@ mod foo { } use foo::{Foo, bar::{baz::{}, foobar::*}, *}; - //~^ ERROR unused imports: `*`, `Foo`, `baz::{}`, `foobar::*` + //~^ ERROR unused imports: `*`, `Foo`, `baz::{}`, and `foobar::*` use foo::bar::baz::{*, *}; //~^ ERROR unused import: `*` use foo::{}; diff --git a/tests/ui/use/use-nested-groups-unused-imports.stderr b/tests/ui/use/use-nested-groups-unused-imports.stderr index 6610f8ecd4a28..dd39a852772c0 100644 --- a/tests/ui/use/use-nested-groups-unused-imports.stderr +++ b/tests/ui/use/use-nested-groups-unused-imports.stderr @@ -1,4 +1,4 @@ -error: unused imports: `*`, `Foo`, `baz::{}`, `foobar::*` +error: unused imports: `*`, `Foo`, `baz::{}`, and `foobar::*` --> $DIR/use-nested-groups-unused-imports.rs:15:11 | LL | use foo::{Foo, bar::{baz::{}, foobar::*}, *};