1 use rustc_errors::{fluent, ErrorGuaranteed, Handler, IntoDiagnostic};
2 use rustc_macros::Diagnostic;
3 use rustc_middle::ty::{self, PolyTraitRef, Ty};
4 use rustc_session::Limit;
5 use rustc_span::{Span, Symbol};
8 #[diag(trait_selection_dump_vtable_entries)]
9 pub struct DumpVTableEntries<'a> {
12 pub trait_ref: PolyTraitRef<'a>,
17 #[diag(trait_selection_unable_to_construct_constant_value)]
18 pub struct UnableToConstructConstantValue<'a> {
21 pub unevaluated: ty::UnevaluatedConst<'a>,
26 #[diag(trait_selection_auto_deref_reached_recursion_limit, code = "E0055")]
27 pub struct AutoDerefReachedRecursionLimit<'a> {
32 pub suggested_limit: Limit,
33 pub crate_name: Symbol,
37 #[diag(trait_selection_empty_on_clause_in_rustc_on_unimplemented, code = "E0232")]
38 pub struct EmptyOnClauseInOnUnimplemented {
45 #[diag(trait_selection_invalid_on_clause_in_rustc_on_unimplemented, code = "E0232")]
46 pub struct InvalidOnClauseInOnUnimplemented {
53 #[diag(trait_selection_no_value_in_rustc_on_unimplemented, code = "E0232")]
55 pub struct NoValueInOnUnimplemented {
61 pub struct NegativePositiveConflict<'tcx> {
63 pub trait_desc: ty::TraitRef<'tcx>,
64 pub self_ty: Option<Ty<'tcx>>,
65 pub negative_impl_span: Result<Span, Symbol>,
66 pub positive_impl_span: Result<Span, Symbol>,
69 impl IntoDiagnostic<'_> for NegativePositiveConflict<'_> {
74 ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> {
75 let mut diag = handler.struct_err(fluent::trait_selection_negative_positive_conflict);
76 diag.set_arg("trait_desc", self.trait_desc.print_only_trait_path().to_string());
79 self.self_ty.map_or_else(|| "none".to_string(), |ty| ty.to_string()),
81 diag.set_span(self.impl_span);
82 diag.code(rustc_errors::error_code!(E0751));
83 match self.negative_impl_span {
85 diag.span_label(span, fluent::negative_implementation_here);
88 diag.note(fluent::negative_implementation_in_crate);
89 diag.set_arg("negative_impl_cname", cname.to_string());
92 match self.positive_impl_span {
94 diag.span_label(span, fluent::positive_implementation_here);
97 diag.note(fluent::positive_implementation_in_crate);
98 diag.set_arg("positive_impl_cname", cname.to_string());