use rustc_ast::ParamKindOrd;
use rustc_errors::{
codes::*, Applicability, Diag, EmissionGuarantee, SubdiagMessageOp, Subdiagnostic,
};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{symbol::Ident, Span, Symbol};
use crate::fluent_generated as fluent;
#[derive(Diagnostic)]
#[diag(ast_passes_visibility_not_permitted, code = E0449)]
pub struct VisibilityNotPermitted {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub note: VisibilityNotPermittedNote,
#[suggestion(
ast_passes_remove_qualifier_sugg,
code = "",
applicability = "machine-applicable"
)]
pub remove_qualifier_sugg: Span,
}
#[derive(Subdiagnostic)]
pub enum VisibilityNotPermittedNote {
#[note(ast_passes_enum_variant)]
EnumVariant,
#[note(ast_passes_trait_impl)]
TraitImpl,
#[note(ast_passes_individual_impl_items)]
IndividualImplItems,
#[note(ast_passes_individual_foreign_items)]
IndividualForeignItems,
}
#[derive(Diagnostic)]
#[diag(ast_passes_trait_fn_const, code = E0379)]
pub struct TraitFnConst {
#[primary_span]
#[label]
pub span: Span,
pub in_impl: bool,
#[label(ast_passes_const_context_label)]
pub const_context_label: Option<Span>,
#[suggestion(ast_passes_remove_const_sugg, code = "")]
pub remove_const_sugg: (Span, Applicability),
pub requires_multiple_changes: bool,
#[suggestion(
ast_passes_make_impl_const_sugg,
code = "const ",
applicability = "maybe-incorrect"
)]
pub make_impl_const_sugg: Option<Span>,
#[suggestion(
ast_passes_make_trait_const_sugg,
code = "#[const_trait]\n",
applicability = "maybe-incorrect"
)]
pub make_trait_const_sugg: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_bound)]
pub struct ForbiddenBound {
#[primary_span]
pub spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_const_param)]
pub struct ForbiddenConstParam {
#[primary_span]
pub const_param_spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_too_many)]
pub struct FnParamTooMany {
#[primary_span]
pub span: Span,
pub max_num_args: usize,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_c_var_args_not_last)]
pub struct FnParamCVarArgsNotLast {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_doc_comment)]
pub struct FnParamDocComment {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_forbidden_attr)]
pub struct FnParamForbiddenAttr {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_param_forbidden_self)]
#[note]
pub struct FnParamForbiddenSelf {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_forbidden_default)]
pub struct ForbiddenDefault {
#[primary_span]
pub span: Span,
#[label]
pub def_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_assoc_const_without_body)]
pub struct AssocConstWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <expr>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_assoc_fn_without_body)]
pub struct AssocFnWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " {{ <body> }}", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_assoc_type_without_body)]
pub struct AssocTypeWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <type>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_const_without_body)]
pub struct ConstWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <expr>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_static_without_body)]
pub struct StaticWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <expr>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_ty_alias_without_body)]
pub struct TyAliasWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " = <type>;", applicability = "has-placeholders")]
pub replace_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_without_body)]
pub struct FnWithoutBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " {{ <body> }}", applicability = "has-placeholders")]
pub replace_span: Span,
#[subdiagnostic]
pub extern_block_suggestion: Option<ExternBlockSuggestion>,
}
#[derive(Subdiagnostic)]
pub enum ExternBlockSuggestion {
#[multipart_suggestion(ast_passes_extern_block_suggestion, applicability = "maybe-incorrect")]
Implicit {
#[suggestion_part(code = "extern {{")]
start_span: Span,
#[suggestion_part(code = " }}")]
end_span: Span,
},
#[multipart_suggestion(ast_passes_extern_block_suggestion, applicability = "maybe-incorrect")]
Explicit {
#[suggestion_part(code = "extern \"{abi}\" {{")]
start_span: Span,
#[suggestion_part(code = " }}")]
end_span: Span,
abi: Symbol,
},
}
#[derive(Diagnostic)]
#[diag(ast_passes_extern_invalid_safety)]
pub struct InvalidSafetyOnExtern {
#[primary_span]
pub item_span: Span,
#[suggestion(code = "unsafe ", applicability = "machine-applicable", style = "verbose")]
pub block: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_item_invalid_safety)]
pub struct InvalidSafetyOnItem {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_bare_fn_invalid_safety)]
pub struct InvalidSafetyOnBareFn {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_unsafe_static)]
pub struct UnsafeStatic {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_bound_in_context)]
pub struct BoundInContext<'a> {
#[primary_span]
pub span: Span,
pub ctx: &'a str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_extern_types_cannot)]
#[note(ast_passes_extern_keyword_link)]
pub struct ExternTypesCannotHave<'a> {
#[primary_span]
#[suggestion(code = "", applicability = "maybe-incorrect")]
pub span: Span,
pub descr: &'a str,
pub remove_descr: &'a str,
#[label]
pub block_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_body_in_extern)]
#[note(ast_passes_extern_keyword_link)]
pub struct BodyInExtern<'a> {
#[primary_span]
#[label(ast_passes_cannot_have)]
pub span: Span,
#[label(ast_passes_invalid)]
pub body: Span,
#[label(ast_passes_existing)]
pub block: Span,
pub kind: &'a str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fn_body_extern)]
#[help]
#[note(ast_passes_extern_keyword_link)]
pub struct FnBodyInExtern {
#[primary_span]
#[label(ast_passes_cannot_have)]
pub span: Span,
#[suggestion(code = ";", applicability = "maybe-incorrect")]
pub body: Span,
#[label]
pub block: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_extern_fn_qualifiers)]
pub struct FnQualifierInExtern {
#[primary_span]
#[suggestion(code = "", applicability = "maybe-incorrect")]
pub span: Span,
#[label]
pub block: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_extern_item_ascii)]
#[note]
pub struct ExternItemAscii {
#[primary_span]
pub span: Span,
#[label]
pub block: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_bad_c_variadic)]
pub struct BadCVariadic {
#[primary_span]
pub span: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_item_underscore)]
pub struct ItemUnderscore<'a> {
#[primary_span]
#[label]
pub span: Span,
pub kind: &'a str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_nomangle_ascii, code = E0754)]
pub struct NoMangleAscii {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_module_nonascii, code = E0754)]
#[help]
pub struct ModuleNonAscii {
#[primary_span]
pub span: Span,
pub name: Symbol,
}
#[derive(Diagnostic)]
#[diag(ast_passes_auto_generic, code = E0567)]
pub struct AutoTraitGeneric {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable")]
pub span: Span,
#[label]
pub ident: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_auto_super_lifetime, code = E0568)]
pub struct AutoTraitBounds {
#[primary_span]
#[suggestion(code = "", applicability = "machine-applicable")]
pub span: Span,
#[label]
pub ident: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_auto_items, code = E0380)]
pub struct AutoTraitItems {
#[primary_span]
pub spans: Vec<Span>,
#[suggestion(code = "", applicability = "machine-applicable")]
pub total: Span,
#[label]
pub ident: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_generic_before_constraints)]
pub struct ArgsBeforeConstraint {
#[primary_span]
pub arg_spans: Vec<Span>,
#[label(ast_passes_constraints)]
pub constraints: Span,
#[label(ast_passes_args)]
pub args: Span,
#[suggestion(code = "{suggestion}", applicability = "machine-applicable", style = "verbose")]
pub data: Span,
pub suggestion: String,
pub constraint_len: usize,
pub args_len: usize,
#[subdiagnostic]
pub constraint_spans: EmptyLabelManySpans,
#[subdiagnostic]
pub arg_spans2: EmptyLabelManySpans,
}
pub struct EmptyLabelManySpans(pub Vec<Span>);
impl Subdiagnostic for EmptyLabelManySpans {
fn add_to_diag_with<G: EmissionGuarantee, F: SubdiagMessageOp<G>>(
self,
diag: &mut Diag<'_, G>,
_: &F,
) {
diag.span_labels(self.0, "");
}
}
#[derive(Diagnostic)]
#[diag(ast_passes_pattern_in_fn_pointer, code = E0561)]
pub struct PatternFnPointer {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_trait_object_single_bound, code = E0226)]
pub struct TraitObjectBound {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_impl_trait_path, code = E0667)]
pub struct ImplTraitPath {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_nested_impl_trait, code = E0666)]
pub struct NestedImplTrait {
#[primary_span]
pub span: Span,
#[label(ast_passes_outer)]
pub outer: Span,
#[label(ast_passes_inner)]
pub inner: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_at_least_one_trait)]
pub struct AtLeastOneTrait {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_out_of_order_params)]
pub struct OutOfOrderParams<'a> {
#[primary_span]
pub spans: Vec<Span>,
#[suggestion(code = "{ordered_params}", applicability = "machine-applicable")]
pub sugg_span: Span,
pub param_ord: &'a ParamKindOrd,
pub max_param: &'a ParamKindOrd,
pub ordered_params: &'a str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_obsolete_auto)]
#[help]
pub struct ObsoleteAuto {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_unsafe_negative_impl, code = E0198)]
pub struct UnsafeNegativeImpl {
#[primary_span]
pub span: Span,
#[label(ast_passes_negative)]
pub negative: Span,
#[label(ast_passes_unsafe)]
pub r#unsafe: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_inherent_cannot_be)]
pub struct InherentImplCannot<'a> {
#[primary_span]
pub span: Span,
#[label(ast_passes_because)]
pub annotation_span: Span,
pub annotation: &'a str,
#[label(ast_passes_type)]
pub self_ty: Span,
#[note(ast_passes_only_trait)]
pub only_trait: Option<()>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_inherent_cannot_be, code = E0197)]
pub struct InherentImplCannotUnsafe<'a> {
#[primary_span]
pub span: Span,
#[label(ast_passes_because)]
pub annotation_span: Span,
pub annotation: &'a str,
#[label(ast_passes_type)]
pub self_ty: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_unsafe_item)]
pub struct UnsafeItem {
#[primary_span]
pub span: Span,
pub kind: &'static str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_missing_unsafe_on_extern)]
pub struct MissingUnsafeOnExtern {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_fieldless_union)]
pub struct FieldlessUnion {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_where_clause_after_type_alias)]
#[note]
pub struct WhereClauseAfterTypeAlias {
#[primary_span]
pub span: Span,
#[help]
pub help: Option<()>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_where_clause_before_type_alias)]
#[note]
pub struct WhereClauseBeforeTypeAlias {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub sugg: WhereClauseBeforeTypeAliasSugg,
}
#[derive(Subdiagnostic)]
pub enum WhereClauseBeforeTypeAliasSugg {
#[suggestion(ast_passes_remove_suggestion, applicability = "machine-applicable", code = "")]
Remove {
#[primary_span]
span: Span,
},
#[multipart_suggestion(
ast_passes_move_suggestion,
applicability = "machine-applicable",
style = "verbose"
)]
Move {
#[suggestion_part(code = "")]
left: Span,
snippet: String,
#[suggestion_part(code = "{snippet}")]
right: Span,
},
}
#[derive(Diagnostic)]
#[diag(ast_passes_generic_default_trailing)]
pub struct GenericDefaultTrailing {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_nested_lifetimes, code = E0316)]
pub struct NestedLifetimes {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_optional_trait_supertrait)]
#[note]
pub struct OptionalTraitSupertrait {
#[primary_span]
pub span: Span,
pub path_str: String,
}
#[derive(Diagnostic)]
#[diag(ast_passes_optional_trait_object)]
pub struct OptionalTraitObject {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_const_bound_trait_object)]
pub struct ConstBoundTraitObject {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_tilde_const_disallowed)]
pub struct TildeConstDisallowed {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub reason: TildeConstReason,
}
#[derive(Subdiagnostic, Copy, Clone)]
pub enum TildeConstReason {
#[note(ast_passes_closure)]
Closure,
#[note(ast_passes_function)]
Function {
#[primary_span]
ident: Span,
},
#[note(ast_passes_trait)]
Trait {
#[primary_span]
span: Span,
},
#[note(ast_passes_trait_impl)]
TraitImpl {
#[primary_span]
span: Span,
},
#[note(ast_passes_impl)]
Impl {
#[primary_span]
span: Span,
},
#[note(ast_passes_trait_assoc_ty)]
TraitAssocTy {
#[primary_span]
span: Span,
},
#[note(ast_passes_trait_impl_assoc_ty)]
TraitImplAssocTy {
#[primary_span]
span: Span,
},
#[note(ast_passes_inherent_assoc_ty)]
InherentAssocTy {
#[primary_span]
span: Span,
},
#[note(ast_passes_object)]
TraitObject,
#[note(ast_passes_item)]
Item,
}
#[derive(Diagnostic)]
#[diag(ast_passes_incompatible_trait_bound_modifiers)]
pub struct IncompatibleTraitBoundModifiers {
#[primary_span]
pub span: Span,
pub left: &'static str,
pub right: &'static str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_const_and_async)]
pub struct ConstAndAsync {
#[primary_span]
pub spans: Vec<Span>,
#[label(ast_passes_const)]
pub cspan: Span,
#[label(ast_passes_async)]
pub aspan: Span,
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_const_and_c_variadic)]
pub struct ConstAndCVariadic {
#[primary_span]
pub spans: Vec<Span>,
#[label(ast_passes_const)]
pub const_span: Span,
#[label(ast_passes_variadic)]
pub variadic_spans: Vec<Span>,
}
#[derive(Diagnostic)]
#[diag(ast_passes_pattern_in_foreign, code = E0130)]
pub struct PatternInForeign {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_pattern_in_bodiless, code = E0642)]
pub struct PatternInBodiless {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_equality_in_where)]
#[note]
pub struct EqualityInWhere {
#[primary_span]
#[label]
pub span: Span,
#[subdiagnostic]
pub assoc: Option<AssociatedSuggestion>,
#[subdiagnostic]
pub assoc2: Option<AssociatedSuggestion2>,
}
#[derive(Subdiagnostic)]
#[suggestion(
ast_passes_suggestion,
code = "{param}: {path}",
style = "verbose",
applicability = "maybe-incorrect"
)]
pub struct AssociatedSuggestion {
#[primary_span]
pub span: Span,
pub ident: Ident,
pub param: Ident,
pub path: String,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(ast_passes_suggestion_path, applicability = "maybe-incorrect")]
pub struct AssociatedSuggestion2 {
#[suggestion_part(code = "{args}")]
pub span: Span,
pub args: String,
#[suggestion_part(code = "")]
pub predicate: Span,
pub trait_segment: Ident,
pub potential_assoc: Ident,
}
#[derive(Diagnostic)]
#[diag(ast_passes_stability_outside_std, code = E0734)]
pub struct StabilityOutsideStd {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_feature_on_non_nightly, code = E0554)]
pub struct FeatureOnNonNightly {
#[primary_span]
pub span: Span,
pub channel: &'static str,
#[subdiagnostic]
pub stable_features: Vec<StableFeature>,
#[suggestion(code = "", applicability = "machine-applicable")]
pub sugg: Option<Span>,
}
pub struct StableFeature {
pub name: Symbol,
pub since: Symbol,
}
impl Subdiagnostic for StableFeature {
fn add_to_diag_with<G: EmissionGuarantee, F: SubdiagMessageOp<G>>(
self,
diag: &mut Diag<'_, G>,
_: &F,
) {
diag.arg("name", self.name);
diag.arg("since", self.since);
diag.help(fluent::ast_passes_stable_since);
}
}
#[derive(Diagnostic)]
#[diag(ast_passes_incompatible_features)]
#[help]
pub struct IncompatibleFeatures {
#[primary_span]
pub spans: Vec<Span>,
pub f1: Symbol,
pub f2: Symbol,
}
#[derive(Diagnostic)]
#[diag(ast_passes_show_span)]
pub struct ShowSpan {
#[primary_span]
pub span: Span,
pub msg: &'static str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_negative_bound_not_supported)]
pub struct NegativeBoundUnsupported {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_constraint_on_negative_bound)]
pub struct ConstraintOnNegativeBound {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_negative_bound_with_parenthetical_notation)]
pub struct NegativeBoundWithParentheticalNotation {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_invalid_unnamed_field_ty)]
pub struct InvalidUnnamedFieldTy {
#[primary_span]
pub span: Span,
#[label]
pub ty_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_invalid_unnamed_field)]
pub struct InvalidUnnamedField {
#[primary_span]
pub span: Span,
#[label]
pub ident_span: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_anon_struct_or_union_not_allowed)]
pub struct AnonStructOrUnionNotAllowed {
#[primary_span]
#[label]
pub span: Span,
pub struct_or_union: &'static str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_match_arm_with_no_body)]
pub struct MatchArmWithNoBody {
#[primary_span]
pub span: Span,
#[suggestion(code = " => todo!(),", applicability = "has-placeholders")]
pub suggestion: Span,
}
#[derive(Diagnostic)]
#[diag(ast_passes_precise_capturing_not_allowed_here)]
pub struct PreciseCapturingNotAllowedHere {
#[primary_span]
pub span: Span,
pub loc: &'static str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_precise_capturing_duplicated)]
pub struct DuplicatePreciseCapturing {
#[primary_span]
pub bound1: Span,
#[label]
pub bound2: Span,
}