use std::io::Error;
use std::path::{Path, PathBuf};
use rustc_ast::Label;
use rustc_errors::codes::*;
use rustc_errors::{
Applicability, Diag, DiagCtxtHandle, DiagSymbolList, Diagnostic, EmissionGuarantee, Level,
MultiSpan, SubdiagMessageOp, Subdiagnostic,
};
use rustc_hir::{self as hir, ExprKind, Target};
use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
use rustc_middle::ty::{MainDefinition, Ty};
use rustc_span::{DUMMY_SP, Span, Symbol};
use crate::check_attr::ProcMacroKind;
use crate::fluent_generated as fluent;
use crate::lang_items::Duplicate;
#[derive(LintDiagnostic)]
#[diag(passes_incorrect_do_not_recommend_location)]
pub(crate) struct IncorrectDoNotRecommendLocation;
#[derive(LintDiagnostic)]
#[diag(passes_outer_crate_level_attr)]
pub(crate) struct OuterCrateLevelAttr;
#[derive(LintDiagnostic)]
#[diag(passes_inner_crate_level_attr)]
pub(crate) struct InnerCrateLevelAttr;
#[derive(LintDiagnostic)]
#[diag(passes_ignored_attr_with_macro)]
pub(crate) struct IgnoredAttrWithMacro<'a> {
pub sym: &'a str,
}
#[derive(LintDiagnostic)]
#[diag(passes_ignored_attr)]
pub(crate) struct IgnoredAttr<'a> {
pub sym: &'a str,
}
#[derive(LintDiagnostic)]
#[diag(passes_inline_ignored_function_prototype)]
pub(crate) struct IgnoredInlineAttrFnProto;
#[derive(LintDiagnostic)]
#[diag(passes_inline_ignored_constants)]
#[warning]
#[note]
pub(crate) struct IgnoredInlineAttrConstants;
#[derive(Diagnostic)]
#[diag(passes_inline_not_fn_or_closure, code = E0518)]
pub(crate) struct InlineNotFnOrClosure {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_coverage_not_fn_or_closure, code = E0788)]
pub(crate) struct CoverageNotFnOrClosure {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_optimize_not_fn_or_closure)]
pub(crate) struct OptimizeNotFnOrClosure;
#[derive(Diagnostic)]
#[diag(passes_should_be_applied_to_fn)]
pub(crate) struct AttrShouldBeAppliedToFn {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
pub on_crate: bool,
}
#[derive(Diagnostic)]
#[diag(passes_should_be_applied_to_fn, code = E0739)]
pub(crate) struct TrackedCallerWrongLocation {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
pub on_crate: bool,
}
#[derive(Diagnostic)]
#[diag(passes_should_be_applied_to_struct_enum, code = E0701)]
pub(crate) struct NonExhaustiveWrongLocation {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_should_be_applied_to_trait)]
pub(crate) struct AttrShouldBeAppliedToTrait {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_target_feature_on_statement)]
pub(crate) struct TargetFeatureOnStatement;
#[derive(Diagnostic)]
#[diag(passes_should_be_applied_to_static)]
pub(crate) struct AttrShouldBeAppliedToStatic {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_expect_str)]
pub(crate) struct DocExpectStr<'a> {
#[primary_span]
pub attr_span: Span,
pub attr_name: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_empty)]
pub(crate) struct DocAliasEmpty<'a> {
#[primary_span]
pub span: Span,
pub attr_str: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_bad_char)]
pub(crate) struct DocAliasBadChar<'a> {
#[primary_span]
pub span: Span,
pub attr_str: &'a str,
pub char_: char,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_start_end)]
pub(crate) struct DocAliasStartEnd<'a> {
#[primary_span]
pub span: Span,
pub attr_str: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_bad_location)]
pub(crate) struct DocAliasBadLocation<'a> {
#[primary_span]
pub span: Span,
pub attr_str: &'a str,
pub location: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_not_an_alias)]
pub(crate) struct DocAliasNotAnAlias<'a> {
#[primary_span]
pub span: Span,
pub attr_str: &'a str,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_alias_duplicated)]
pub(crate) struct DocAliasDuplicated {
#[label]
pub first_defn: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_not_string_literal)]
pub(crate) struct DocAliasNotStringLiteral {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_alias_malformed)]
pub(crate) struct DocAliasMalformed {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_keyword_empty_mod)]
pub(crate) struct DocKeywordEmptyMod {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_keyword_not_mod)]
pub(crate) struct DocKeywordNotMod {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_keyword_invalid_ident)]
pub(crate) struct DocKeywordInvalidIdent {
#[primary_span]
pub span: Span,
pub doc_keyword: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_doc_fake_variadic_not_valid)]
pub(crate) struct DocFakeVariadicNotValid {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_keyword_only_impl)]
pub(crate) struct DocKeywordOnlyImpl {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_doc_inline_conflict)]
#[help]
pub(crate) struct DocKeywordConflict {
#[primary_span]
pub spans: MultiSpan,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_inline_only_use)]
#[note]
pub(crate) struct DocInlineOnlyUse {
#[label]
pub attr_span: Span,
#[label(passes_not_a_use_item_label)]
pub item_span: Option<Span>,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_masked_only_extern_crate)]
#[note]
pub(crate) struct DocMaskedOnlyExternCrate {
#[label]
pub attr_span: Span,
#[label(passes_not_an_extern_crate_label)]
pub item_span: Option<Span>,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_masked_not_extern_crate_self)]
pub(crate) struct DocMaskedNotExternCrateSelf {
#[label]
pub attr_span: Span,
#[label(passes_extern_crate_self_label)]
pub item_span: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(passes_doc_attr_not_crate_level)]
pub(crate) struct DocAttrNotCrateLevel<'a> {
#[primary_span]
pub span: Span,
pub attr_name: &'a str,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_test_unknown)]
pub(crate) struct DocTestUnknown {
pub path: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_test_literal)]
pub(crate) struct DocTestLiteral;
#[derive(LintDiagnostic)]
#[diag(passes_doc_test_takes_list)]
pub(crate) struct DocTestTakesList;
#[derive(LintDiagnostic)]
#[diag(passes_doc_cfg_hide_takes_list)]
pub(crate) struct DocCfgHideTakesList;
#[derive(LintDiagnostic)]
#[diag(passes_doc_test_unknown_any)]
pub(crate) struct DocTestUnknownAny {
pub path: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_test_unknown_spotlight)]
#[note]
#[note(passes_no_op_note)]
pub(crate) struct DocTestUnknownSpotlight {
pub path: String,
#[suggestion(style = "short", applicability = "machine-applicable", code = "notable_trait")]
pub span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_test_unknown_include)]
pub(crate) struct DocTestUnknownInclude {
pub path: String,
pub value: String,
pub inner: &'static str,
#[suggestion(code = "#{inner}[doc = include_str!(\"{value}\")]")]
pub sugg: (Span, Applicability),
}
#[derive(LintDiagnostic)]
#[diag(passes_doc_invalid)]
pub(crate) struct DocInvalid;
#[derive(Diagnostic)]
#[diag(passes_pass_by_value)]
pub(crate) struct PassByValue {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_allow_incoherent_impl)]
pub(crate) struct AllowIncoherentImpl {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_has_incoherent_inherent_impl)]
pub(crate) struct HasIncoherentInherentImpl {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_both_ffi_const_and_pure, code = E0757)]
pub(crate) struct BothFfiConstAndPure {
#[primary_span]
pub attr_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_ffi_pure_invalid_target, code = E0755)]
pub(crate) struct FfiPureInvalidTarget {
#[primary_span]
pub attr_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_ffi_const_invalid_target, code = E0756)]
pub(crate) struct FfiConstInvalidTarget {
#[primary_span]
pub attr_span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_must_use_no_effect)]
pub(crate) struct MustUseNoEffect {
pub article: &'static str,
pub target: rustc_hir::Target,
}
#[derive(Diagnostic)]
#[diag(passes_must_not_suspend)]
pub(crate) struct MustNotSuspend {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_cold)]
#[warning]
pub(crate) struct Cold {
#[label]
pub span: Span,
pub on_crate: bool,
}
#[derive(LintDiagnostic)]
#[diag(passes_link)]
#[warning]
pub(crate) struct Link {
#[label]
pub span: Option<Span>,
}
#[derive(LintDiagnostic)]
#[diag(passes_link_name)]
#[warning]
pub(crate) struct LinkName<'a> {
#[help]
pub attr_span: Option<Span>,
#[label]
pub span: Span,
pub value: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_no_link)]
pub(crate) struct NoLink {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_export_name)]
pub(crate) struct ExportName {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_layout_scalar_valid_range_not_struct)]
pub(crate) struct RustcLayoutScalarValidRangeNotStruct {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_layout_scalar_valid_range_arg)]
pub(crate) struct RustcLayoutScalarValidRangeArg {
#[primary_span]
pub attr_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_legacy_const_generics_only)]
pub(crate) struct RustcLegacyConstGenericsOnly {
#[primary_span]
pub attr_span: Span,
#[label]
pub param_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_legacy_const_generics_index)]
pub(crate) struct RustcLegacyConstGenericsIndex {
#[primary_span]
pub attr_span: Span,
#[label]
pub generics_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_legacy_const_generics_index_exceed)]
pub(crate) struct RustcLegacyConstGenericsIndexExceed {
#[primary_span]
#[label]
pub span: Span,
pub arg_count: usize,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_legacy_const_generics_index_negative)]
pub(crate) struct RustcLegacyConstGenericsIndexNegative {
#[primary_span]
pub invalid_args: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_dirty_clean)]
pub(crate) struct RustcDirtyClean {
#[primary_span]
pub span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_link_section)]
#[warning]
pub(crate) struct LinkSection {
#[label]
pub span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_no_mangle_foreign)]
#[warning]
#[note]
pub(crate) struct NoMangleForeign {
#[label]
pub span: Span,
#[suggestion(code = "", applicability = "machine-applicable")]
pub attr_span: Span,
pub foreign_item_kind: &'static str,
}
#[derive(LintDiagnostic)]
#[diag(passes_no_mangle)]
#[warning]
pub(crate) struct NoMangle {
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_repr_ident, code = E0565)]
pub(crate) struct ReprIdent {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_repr_conflicting, code = E0566)]
pub(crate) struct ReprConflicting {
#[primary_span]
pub hint_spans: Vec<Span>,
}
#[derive(LintDiagnostic)]
#[diag(passes_repr_conflicting, code = E0566)]
pub(crate) struct ReprConflictingLint;
#[derive(Diagnostic)]
#[diag(passes_used_static)]
pub(crate) struct UsedStatic {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
pub target: &'static str,
}
#[derive(Diagnostic)]
#[diag(passes_used_compiler_linker)]
pub(crate) struct UsedCompilerLinker {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(passes_allow_internal_unstable)]
pub(crate) struct AllowInternalUnstable {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_debug_visualizer_placement)]
pub(crate) struct DebugVisualizerPlacement {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_debug_visualizer_invalid)]
#[note(passes_note_1)]
#[note(passes_note_2)]
#[note(passes_note_3)]
pub(crate) struct DebugVisualizerInvalid {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_debug_visualizer_unreadable)]
pub(crate) struct DebugVisualizerUnreadable<'a> {
#[primary_span]
pub span: Span,
pub file: &'a Path,
pub error: Error,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_allow_const_fn_unstable)]
pub(crate) struct RustcAllowConstFnUnstable {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_safe_intrinsic)]
pub(crate) struct RustcSafeIntrinsic {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_std_internal_symbol)]
pub(crate) struct RustcStdInternalSymbol {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_pub_transparent)]
pub(crate) struct RustcPubTransparent {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_link_ordinal)]
pub(crate) struct LinkOrdinal {
#[primary_span]
pub attr_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_confusables)]
pub(crate) struct Confusables {
#[primary_span]
pub attr_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_coroutine_on_non_closure)]
pub(crate) struct CoroutineOnNonClosure {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_linkage)]
pub(crate) struct Linkage {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_empty_confusables)]
pub(crate) struct EmptyConfusables {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_incorrect_meta_item, code = E0539)]
pub(crate) struct IncorrectMetaItem {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub suggestion: IncorrectMetaItemSuggestion,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(passes_incorrect_meta_item_suggestion, applicability = "maybe-incorrect")]
pub(crate) struct IncorrectMetaItemSuggestion {
#[suggestion_part(code = "\"")]
pub lo: Span,
#[suggestion_part(code = "\"")]
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(passes_stability_promotable)]
pub(crate) struct StabilityPromotable {
#[primary_span]
pub attr_span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_deprecated)]
pub(crate) struct Deprecated;
#[derive(LintDiagnostic)]
#[diag(passes_macro_use)]
pub(crate) struct MacroUse {
pub name: Symbol,
}
#[derive(LintDiagnostic)]
pub(crate) enum MacroExport {
#[diag(passes_macro_export)]
Normal,
#[diag(passes_macro_export_on_decl_macro)]
#[note]
OnDeclMacro,
#[diag(passes_invalid_macro_export_arguments)]
UnknownItem { name: Symbol },
#[diag(passes_invalid_macro_export_arguments_too_many_items)]
TooManyItems,
}
#[derive(Subdiagnostic)]
pub(crate) enum UnusedNote {
#[note(passes_unused_empty_lints_note)]
EmptyList { name: Symbol },
#[note(passes_unused_no_lints_note)]
NoLints { name: Symbol },
#[note(passes_unused_default_method_body_const_note)]
DefaultMethodBodyConst,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused)]
pub(crate) struct Unused {
#[suggestion(code = "", applicability = "machine-applicable")]
pub attr_span: Span,
#[subdiagnostic]
pub note: UnusedNote,
}
#[derive(Diagnostic)]
#[diag(passes_non_exported_macro_invalid_attrs, code = E0518)]
pub(crate) struct NonExportedMacroInvalidAttrs {
#[primary_span]
#[label]
pub attr_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_may_dangle)]
pub(crate) struct InvalidMayDangle {
#[primary_span]
pub attr_span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_duplicate)]
pub(crate) struct UnusedDuplicate {
#[suggestion(code = "", applicability = "machine-applicable")]
pub this: Span,
#[note]
pub other: Span,
#[warning]
pub warning: bool,
}
#[derive(Diagnostic)]
#[diag(passes_unused_multiple)]
pub(crate) struct UnusedMultiple {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable")]
pub this: Span,
#[note]
pub other: Span,
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_lint_opt_ty)]
pub(crate) struct RustcLintOptTy {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_rustc_lint_opt_deny_field_access)]
pub(crate) struct RustcLintOptDenyFieldAccess {
#[primary_span]
pub attr_span: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_collapse_debuginfo)]
pub(crate) struct CollapseDebuginfo {
#[primary_span]
pub attr_span: Span,
#[label]
pub defn_span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_deprecated_annotation_has_no_effect)]
pub(crate) struct DeprecatedAnnotationHasNoEffect {
#[suggestion(applicability = "machine-applicable", code = "")]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_unknown_external_lang_item, code = E0264)]
pub(crate) struct UnknownExternLangItem {
#[primary_span]
pub span: Span,
pub lang_item: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_missing_panic_handler)]
pub(crate) struct MissingPanicHandler;
#[derive(Diagnostic)]
#[diag(passes_panic_unwind_without_std)]
#[help]
#[note]
pub(crate) struct PanicUnwindWithoutStd;
#[derive(Diagnostic)]
#[diag(passes_missing_lang_item)]
#[note]
#[help]
pub(crate) struct MissingLangItem {
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_lang_item_fn_with_track_caller)]
pub(crate) struct LangItemWithTrackCaller {
#[primary_span]
pub attr_span: Span,
pub name: Symbol,
#[label]
pub sig_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_lang_item_fn_with_target_feature)]
pub(crate) struct LangItemWithTargetFeature {
#[primary_span]
pub attr_span: Span,
pub name: Symbol,
#[label]
pub sig_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_lang_item_on_incorrect_target, code = E0718)]
pub(crate) struct LangItemOnIncorrectTarget {
#[primary_span]
#[label]
pub span: Span,
pub name: Symbol,
pub expected_target: Target,
pub actual_target: Target,
}
#[derive(Diagnostic)]
#[diag(passes_unknown_lang_item, code = E0522)]
pub(crate) struct UnknownLangItem {
#[primary_span]
#[label]
pub span: Span,
pub name: Symbol,
}
pub(crate) struct InvalidAttrAtCrateLevel {
pub span: Span,
pub sugg_span: Option<Span>,
pub name: Symbol,
pub item: Option<ItemFollowingInnerAttr>,
}
#[derive(Clone, Copy)]
pub(crate) struct ItemFollowingInnerAttr {
pub span: Span,
pub kind: &'static str,
}
impl<G: EmissionGuarantee> Diagnostic<'_, G> for InvalidAttrAtCrateLevel {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> {
let mut diag = Diag::new(dcx, level, fluent::passes_invalid_attr_at_crate_level);
diag.span(self.span);
diag.arg("name", self.name);
if let Some(span) = self.sugg_span {
diag.span_suggestion_verbose(
span,
fluent::passes_suggestion,
String::new(),
Applicability::MachineApplicable,
);
}
if let Some(item) = self.item {
diag.arg("kind", item.kind);
diag.span_label(item.span, fluent::passes_invalid_attr_at_crate_level_item);
}
diag
}
}
#[derive(Diagnostic)]
#[diag(passes_duplicate_diagnostic_item_in_crate)]
pub(crate) struct DuplicateDiagnosticItemInCrate {
#[primary_span]
pub duplicate_span: Option<Span>,
#[note(passes_diagnostic_item_first_defined)]
pub orig_span: Option<Span>,
#[note]
pub different_crates: bool,
pub crate_name: Symbol,
pub orig_crate_name: Symbol,
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_layout_abi)]
pub(crate) struct LayoutAbi {
#[primary_span]
pub span: Span,
pub abi: String,
}
#[derive(Diagnostic)]
#[diag(passes_layout_align)]
pub(crate) struct LayoutAlign {
#[primary_span]
pub span: Span,
pub align: String,
}
#[derive(Diagnostic)]
#[diag(passes_layout_size)]
pub(crate) struct LayoutSize {
#[primary_span]
pub span: Span,
pub size: String,
}
#[derive(Diagnostic)]
#[diag(passes_layout_homogeneous_aggregate)]
pub(crate) struct LayoutHomogeneousAggregate {
#[primary_span]
pub span: Span,
pub homogeneous_aggregate: String,
}
#[derive(Diagnostic)]
#[diag(passes_layout_of)]
pub(crate) struct LayoutOf {
#[primary_span]
pub span: Span,
pub normalized_ty: String,
pub ty_layout: String,
}
#[derive(Diagnostic)]
#[diag(passes_layout_invalid_attribute)]
pub(crate) struct LayoutInvalidAttribute {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_abi_of)]
pub(crate) struct AbiOf {
#[primary_span]
pub span: Span,
pub fn_name: Symbol,
pub fn_abi: String,
}
#[derive(Diagnostic)]
#[diag(passes_abi_ne)]
pub(crate) struct AbiNe {
#[primary_span]
pub span: Span,
pub left: String,
pub right: String,
}
#[derive(Diagnostic)]
#[diag(passes_abi_invalid_attribute)]
pub(crate) struct AbiInvalidAttribute {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_unrecognized_field)]
pub(crate) struct UnrecognizedField {
#[primary_span]
pub span: Span,
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_feature_stable_twice, code = E0711)]
pub(crate) struct FeatureStableTwice {
#[primary_span]
pub span: Span,
pub feature: Symbol,
pub since: Symbol,
pub prev_since: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_feature_previously_declared, code = E0711)]
pub(crate) struct FeaturePreviouslyDeclared<'a> {
#[primary_span]
pub span: Span,
pub feature: Symbol,
pub declared: &'a str,
pub prev_declared: &'a str,
}
pub(crate) struct BreakNonLoop<'a> {
pub span: Span,
pub head: Option<Span>,
pub kind: &'a str,
pub suggestion: String,
pub loop_label: Option<Label>,
pub break_label: Option<Label>,
pub break_expr_kind: &'a ExprKind<'a>,
pub break_expr_span: Span,
}
impl<'a, G: EmissionGuarantee> Diagnostic<'_, G> for BreakNonLoop<'a> {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> {
let mut diag = Diag::new(dcx, level, fluent::passes_break_non_loop);
diag.span(self.span);
diag.code(E0571);
diag.arg("kind", self.kind);
diag.span_label(self.span, fluent::passes_label);
if let Some(head) = self.head {
diag.span_label(head, fluent::passes_label2);
}
diag.span_suggestion(
self.span,
fluent::passes_suggestion,
self.suggestion,
Applicability::MaybeIncorrect,
);
if let (Some(label), None) = (self.loop_label, self.break_label) {
match self.break_expr_kind {
ExprKind::Path(hir::QPath::Resolved(
None,
hir::Path { segments: [segment], res: hir::def::Res::Err, .. },
)) if label.ident.to_string() == format!("'{}", segment.ident) => {
diag.downgrade_to_delayed_bug();
}
_ => {
diag.span_suggestion(
self.break_expr_span,
fluent::passes_break_expr_suggestion,
label.ident,
Applicability::MaybeIncorrect,
);
}
}
}
diag
}
}
#[derive(Diagnostic)]
#[diag(passes_continue_labeled_block, code = E0696)]
pub(crate) struct ContinueLabeledBlock {
#[primary_span]
#[label]
pub span: Span,
#[label(passes_block_label)]
pub block_span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_break_inside_closure, code = E0267)]
pub(crate) struct BreakInsideClosure<'a> {
#[primary_span]
#[label]
pub span: Span,
#[label(passes_closure_label)]
pub closure_span: Span,
pub name: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_break_inside_coroutine, code = E0267)]
pub(crate) struct BreakInsideCoroutine<'a> {
#[primary_span]
#[label]
pub span: Span,
#[label(passes_coroutine_label)]
pub coroutine_span: Span,
pub name: &'a str,
pub kind: &'a str,
pub source: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_outside_loop, code = E0268)]
pub(crate) struct OutsideLoop<'a> {
#[primary_span]
#[label]
pub spans: Vec<Span>,
pub name: &'a str,
pub is_break: bool,
#[subdiagnostic]
pub suggestion: Option<OutsideLoopSuggestion>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(passes_outside_loop_suggestion, applicability = "maybe-incorrect")]
pub(crate) struct OutsideLoopSuggestion {
#[suggestion_part(code = "'block: ")]
pub block_span: Span,
#[suggestion_part(code = " 'block")]
pub break_spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(passes_unlabeled_in_labeled_block, code = E0695)]
pub(crate) struct UnlabeledInLabeledBlock<'a> {
#[primary_span]
#[label]
pub span: Span,
pub cf_type: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_unlabeled_cf_in_while_condition, code = E0590)]
pub(crate) struct UnlabeledCfInWhileCondition<'a> {
#[primary_span]
#[label]
pub span: Span,
pub cf_type: &'a str,
}
#[derive(LintDiagnostic)]
#[diag(passes_undefined_naked_function_abi)]
pub(crate) struct UndefinedNakedFunctionAbi;
#[derive(Diagnostic)]
#[diag(passes_no_patterns)]
pub(crate) struct NoPatterns {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_params_not_allowed)]
#[help]
pub(crate) struct ParamsNotAllowed {
#[primary_span]
pub span: Span,
}
pub(crate) struct NakedFunctionsAsmBlock {
pub span: Span,
pub multiple_asms: Vec<Span>,
pub non_asms: Vec<Span>,
}
impl<G: EmissionGuarantee> Diagnostic<'_, G> for NakedFunctionsAsmBlock {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> {
let mut diag = Diag::new(dcx, level, fluent::passes_naked_functions_asm_block);
diag.span(self.span);
diag.code(E0787);
for span in self.multiple_asms.iter() {
diag.span_label(*span, fluent::passes_label_multiple_asm);
}
for span in self.non_asms.iter() {
diag.span_label(*span, fluent::passes_label_non_asm);
}
diag
}
}
#[derive(Diagnostic)]
#[diag(passes_naked_functions_must_naked_asm, code = E0787)]
pub(crate) struct NakedFunctionsMustNakedAsm {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_naked_functions_incompatible_attribute, code = E0736)]
pub(crate) struct NakedFunctionIncompatibleAttribute {
#[primary_span]
#[label]
pub span: Span,
#[label(passes_naked_attribute)]
pub naked_span: Span,
pub attr: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_naked_asm_outside_naked_fn)]
pub(crate) struct NakedAsmOutsideNakedFn {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_attr_only_in_functions)]
pub(crate) struct AttrOnlyInFunctions {
#[primary_span]
pub span: Span,
pub attr: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_multiple_rustc_main, code = E0137)]
pub(crate) struct MultipleRustcMain {
#[primary_span]
pub span: Span,
#[label(passes_first)]
pub first: Span,
#[label(passes_additional)]
pub additional: Span,
}
#[derive(Diagnostic)]
#[diag(passes_multiple_start_functions, code = E0138)]
pub(crate) struct MultipleStartFunctions {
#[primary_span]
pub span: Span,
#[label]
pub labeled: Span,
#[label(passes_previous)]
pub previous: Span,
}
#[derive(Diagnostic)]
#[diag(passes_extern_main)]
pub(crate) struct ExternMain {
#[primary_span]
pub span: Span,
}
pub(crate) struct NoMainErr {
pub sp: Span,
pub crate_name: Symbol,
pub has_filename: bool,
pub filename: PathBuf,
pub file_empty: bool,
pub non_main_fns: Vec<Span>,
pub main_def_opt: Option<MainDefinition>,
pub add_teach_note: bool,
}
impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for NoMainErr {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> {
let mut diag = Diag::new(dcx, level, fluent::passes_no_main_function);
diag.span(DUMMY_SP);
diag.code(E0601);
diag.arg("crate_name", self.crate_name);
diag.arg("filename", self.filename);
diag.arg("has_filename", self.has_filename);
let note = if !self.non_main_fns.is_empty() {
for &span in &self.non_main_fns {
diag.span_note(span, fluent::passes_here_is_main);
}
diag.note(fluent::passes_one_or_more_possible_main);
diag.help(fluent::passes_consider_moving_main);
fluent::passes_main_must_be_defined_at_crate
} else if self.has_filename {
fluent::passes_consider_adding_main_to_file
} else {
fluent::passes_consider_adding_main_at_crate
};
if self.file_empty {
diag.note(note);
} else {
diag.span(self.sp.shrink_to_hi());
diag.span_label(self.sp.shrink_to_hi(), note);
}
if let Some(main_def) = self.main_def_opt
&& main_def.opt_fn_def_id().is_none()
{
diag.span_label(main_def.span, fluent::passes_non_function_main);
}
if self.add_teach_note {
diag.note(fluent::passes_teach_note);
}
diag
}
}
pub(crate) struct DuplicateLangItem {
pub local_span: Option<Span>,
pub lang_item_name: Symbol,
pub crate_name: Symbol,
pub dependency_of: Symbol,
pub is_local: bool,
pub path: String,
pub first_defined_span: Option<Span>,
pub orig_crate_name: Symbol,
pub orig_dependency_of: Symbol,
pub orig_is_local: bool,
pub orig_path: String,
pub(crate) duplicate: Duplicate,
}
impl<G: EmissionGuarantee> Diagnostic<'_, G> for DuplicateLangItem {
#[track_caller]
fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> {
let mut diag = Diag::new(dcx, level, match self.duplicate {
Duplicate::Plain => fluent::passes_duplicate_lang_item,
Duplicate::Crate => fluent::passes_duplicate_lang_item_crate,
Duplicate::CrateDepends => fluent::passes_duplicate_lang_item_crate_depends,
});
diag.code(E0152);
diag.arg("lang_item_name", self.lang_item_name);
diag.arg("crate_name", self.crate_name);
diag.arg("dependency_of", self.dependency_of);
diag.arg("path", self.path);
diag.arg("orig_crate_name", self.orig_crate_name);
diag.arg("orig_dependency_of", self.orig_dependency_of);
diag.arg("orig_path", self.orig_path);
if let Some(span) = self.local_span {
diag.span(span);
}
if let Some(span) = self.first_defined_span {
diag.span_note(span, fluent::passes_first_defined_span);
} else {
if self.orig_dependency_of.is_empty() {
diag.note(fluent::passes_first_defined_crate);
} else {
diag.note(fluent::passes_first_defined_crate_depends);
}
if self.orig_is_local {
diag.note(fluent::passes_first_definition_local);
} else {
diag.note(fluent::passes_first_definition_path);
}
if self.is_local {
diag.note(fluent::passes_second_definition_local);
} else {
diag.note(fluent::passes_second_definition_path);
}
}
diag
}
}
#[derive(Diagnostic)]
#[diag(passes_incorrect_target, code = E0718)]
pub(crate) struct IncorrectTarget<'a> {
#[primary_span]
pub span: Span,
#[label]
pub generics_span: Span,
pub name: &'a str, pub kind: &'static str,
pub num: usize,
pub actual_num: usize,
pub at_least: bool,
}
#[derive(LintDiagnostic)]
#[diag(passes_useless_assignment)]
pub(crate) struct UselessAssignment<'a> {
pub is_field_assign: bool,
pub ty: Ty<'a>,
}
#[derive(LintDiagnostic)]
#[diag(passes_only_has_effect_on)]
pub(crate) struct OnlyHasEffectOn {
pub attr_name: Symbol,
pub target_name: String,
}
#[derive(Diagnostic)]
#[diag(passes_object_lifetime_err)]
pub(crate) struct ObjectLifetimeErr {
#[primary_span]
pub span: Span,
pub repr: String,
}
#[derive(Diagnostic)]
#[diag(passes_unrecognized_repr_hint, code = E0552)]
#[help]
pub(crate) struct UnrecognizedReprHint {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
pub(crate) enum AttrApplication {
#[diag(passes_attr_application_enum, code = E0517)]
Enum {
#[primary_span]
hint_span: Span,
#[label]
span: Span,
},
#[diag(passes_attr_application_struct, code = E0517)]
Struct {
#[primary_span]
hint_span: Span,
#[label]
span: Span,
},
#[diag(passes_attr_application_struct_union, code = E0517)]
StructUnion {
#[primary_span]
hint_span: Span,
#[label]
span: Span,
},
#[diag(passes_attr_application_struct_enum_union, code = E0517)]
StructEnumUnion {
#[primary_span]
hint_span: Span,
#[label]
span: Span,
},
#[diag(passes_attr_application_struct_enum_function_method_union, code = E0517)]
StructEnumFunctionMethodUnion {
#[primary_span]
hint_span: Span,
#[label]
span: Span,
},
}
#[derive(Diagnostic)]
#[diag(passes_transparent_incompatible, code = E0692)]
pub(crate) struct TransparentIncompatible {
#[primary_span]
pub hint_spans: Vec<Span>,
pub target: String,
}
#[derive(Diagnostic)]
#[diag(passes_deprecated_attribute, code = E0549)]
pub(crate) struct DeprecatedAttribute {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_useless_stability)]
pub(crate) struct UselessStability {
#[primary_span]
#[label]
pub span: Span,
#[label(passes_item)]
pub item_sp: Span,
}
#[derive(Diagnostic)]
#[diag(passes_cannot_stabilize_deprecated)]
pub(crate) struct CannotStabilizeDeprecated {
#[primary_span]
#[label]
pub span: Span,
#[label(passes_item)]
pub item_sp: Span,
}
#[derive(Diagnostic)]
#[diag(passes_unstable_attr_for_already_stable_feature)]
pub(crate) struct UnstableAttrForAlreadyStableFeature {
#[primary_span]
#[label]
#[help]
pub span: Span,
#[label(passes_item)]
pub item_sp: Span,
}
#[derive(Diagnostic)]
#[diag(passes_missing_stability_attr)]
pub(crate) struct MissingStabilityAttr<'a> {
#[primary_span]
pub span: Span,
pub descr: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_missing_const_stab_attr)]
pub(crate) struct MissingConstStabAttr<'a> {
#[primary_span]
pub span: Span,
pub descr: &'a str,
}
#[derive(Diagnostic)]
#[diag(passes_trait_impl_const_stable)]
#[note]
pub(crate) struct TraitImplConstStable {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(passes_unknown_feature, code = E0635)]
pub(crate) struct UnknownFeature {
#[primary_span]
pub span: Span,
pub feature: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_implied_feature_not_exist)]
pub(crate) struct ImpliedFeatureNotExist {
#[primary_span]
pub span: Span,
pub feature: Symbol,
pub implied_by: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_duplicate_feature_err, code = E0636)]
pub(crate) struct DuplicateFeatureErr {
#[primary_span]
pub span: Span,
pub feature: Symbol,
}
#[derive(Diagnostic)]
#[diag(passes_missing_const_err)]
pub(crate) struct MissingConstErr {
#[primary_span]
#[help]
pub fn_sig_span: Span,
#[label]
pub const_span: Span,
}
#[derive(LintDiagnostic)]
pub(crate) enum MultipleDeadCodes<'tcx> {
#[diag(passes_dead_codes)]
DeadCodes {
multiple: bool,
num: usize,
descr: &'tcx str,
participle: &'tcx str,
name_list: DiagSymbolList,
#[subdiagnostic]
parent_info: Option<ParentInfo<'tcx>>,
#[subdiagnostic]
ignored_derived_impls: Option<IgnoredDerivedImpls>,
},
#[diag(passes_dead_codes)]
UnusedTupleStructFields {
multiple: bool,
num: usize,
descr: &'tcx str,
participle: &'tcx str,
name_list: DiagSymbolList,
#[subdiagnostic]
change_fields_suggestion: ChangeFields,
#[subdiagnostic]
parent_info: Option<ParentInfo<'tcx>>,
#[subdiagnostic]
ignored_derived_impls: Option<IgnoredDerivedImpls>,
},
}
#[derive(Subdiagnostic)]
#[label(passes_parent_info)]
pub(crate) struct ParentInfo<'tcx> {
pub num: usize,
pub descr: &'tcx str,
pub parent_descr: &'tcx str,
#[primary_span]
pub span: Span,
}
#[derive(Subdiagnostic)]
#[note(passes_ignored_derived_impls)]
pub(crate) struct IgnoredDerivedImpls {
pub name: Symbol,
pub trait_list: DiagSymbolList,
pub trait_list_len: usize,
}
#[derive(Subdiagnostic)]
pub(crate) enum ChangeFields {
#[multipart_suggestion(
passes_change_fields_to_be_of_unit_type,
applicability = "has-placeholders"
)]
ChangeToUnitTypeOrRemove {
num: usize,
#[suggestion_part(code = "()")]
spans: Vec<Span>,
},
#[help(passes_remove_fields)]
Remove { num: usize },
}
#[derive(Diagnostic)]
#[diag(passes_proc_macro_bad_sig)]
pub(crate) struct ProcMacroBadSig {
#[primary_span]
pub span: Span,
pub kind: ProcMacroKind,
}
#[derive(Diagnostic)]
#[diag(passes_skipping_const_checks)]
pub(crate) struct SkippingConstChecks {
#[primary_span]
pub span: Span,
}
#[derive(LintDiagnostic)]
#[diag(passes_unreachable_due_to_uninhabited)]
pub(crate) struct UnreachableDueToUninhabited<'desc, 'tcx> {
pub descr: &'desc str,
#[label]
pub expr: Span,
#[label(passes_label_orig)]
#[note]
pub orig: Span,
pub ty: Ty<'tcx>,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_var_maybe_capture_ref)]
#[help]
pub(crate) struct UnusedVarMaybeCaptureRef {
pub name: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_capture_maybe_capture_ref)]
#[help]
pub(crate) struct UnusedCaptureMaybeCaptureRef {
pub name: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_var_remove_field)]
pub(crate) struct UnusedVarRemoveField {
pub name: String,
#[subdiagnostic]
pub sugg: UnusedVarRemoveFieldSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
passes_unused_var_remove_field_suggestion,
applicability = "machine-applicable"
)]
pub(crate) struct UnusedVarRemoveFieldSugg {
#[suggestion_part(code = "")]
pub spans: Vec<Span>,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_var_assigned_only)]
#[note]
pub(crate) struct UnusedVarAssignedOnly {
pub name: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_unnecessary_stable_feature)]
pub(crate) struct UnnecessaryStableFeature {
pub feature: Symbol,
pub since: Symbol,
}
#[derive(LintDiagnostic)]
#[diag(passes_unnecessary_partial_stable_feature)]
pub(crate) struct UnnecessaryPartialStableFeature {
#[suggestion(code = "{implies}", applicability = "maybe-incorrect")]
pub span: Span,
#[suggestion(passes_suggestion_remove, code = "", applicability = "maybe-incorrect")]
pub line: Span,
pub feature: Symbol,
pub since: Symbol,
pub implies: Symbol,
}
#[derive(LintDiagnostic)]
#[diag(passes_ineffective_unstable_impl)]
#[note]
pub(crate) struct IneffectiveUnstableImpl;
#[derive(LintDiagnostic)]
#[diag(passes_unused_assign)]
#[help]
pub(crate) struct UnusedAssign {
pub name: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_assign_passed)]
#[help]
pub(crate) struct UnusedAssignPassed {
pub name: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_variable_try_prefix)]
pub(crate) struct UnusedVariableTryPrefix {
#[label]
pub label: Option<Span>,
#[subdiagnostic]
pub string_interp: Vec<UnusedVariableStringInterp>,
#[subdiagnostic]
pub sugg: UnusedVariableSugg,
pub name: String,
}
#[derive(Subdiagnostic)]
pub(crate) enum UnusedVariableSugg {
#[multipart_suggestion(passes_suggestion, applicability = "maybe-incorrect")]
TryPrefixSugg {
#[suggestion_part(code = "_{name}")]
spans: Vec<Span>,
name: String,
},
#[help(passes_unused_variable_args_in_macro)]
NoSugg {
#[primary_span]
span: Span,
name: String,
},
}
pub(crate) struct UnusedVariableStringInterp {
pub lit: Span,
pub lo: Span,
pub hi: Span,
}
impl Subdiagnostic for UnusedVariableStringInterp {
fn add_to_diag_with<G: EmissionGuarantee, F: SubdiagMessageOp<G>>(
self,
diag: &mut Diag<'_, G>,
_f: &F,
) {
diag.span_label(self.lit, crate::fluent_generated::passes_maybe_string_interpolation);
diag.multipart_suggestion(
crate::fluent_generated::passes_string_interpolation_only_works,
vec![(self.lo, String::from("format!(")), (self.hi, String::from(")"))],
Applicability::MachineApplicable,
);
}
}
#[derive(LintDiagnostic)]
#[diag(passes_unused_variable_try_ignore)]
pub(crate) struct UnusedVarTryIgnore {
#[subdiagnostic]
pub sugg: UnusedVarTryIgnoreSugg,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(passes_suggestion, applicability = "maybe-incorrect")]
pub(crate) struct UnusedVarTryIgnoreSugg {
#[suggestion_part(code = "{name}: _")]
pub shorthands: Vec<Span>,
#[suggestion_part(code = "_")]
pub non_shorthands: Vec<Span>,
pub name: String,
}
#[derive(LintDiagnostic)]
#[diag(passes_attr_crate_level)]
#[note]
pub(crate) struct AttrCrateLevelOnly {
#[subdiagnostic]
pub sugg: Option<AttrCrateLevelOnlySugg>,
}
#[derive(Subdiagnostic)]
#[suggestion(passes_suggestion, applicability = "maybe-incorrect", code = "!", style = "verbose")]
pub(crate) struct AttrCrateLevelOnlySugg {
#[primary_span]
pub attr: Span,
}