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| 1 | +use rustc_errors::{fluent, ErrorGuaranteed}; |
| 2 | +use rustc_macros::SessionDiagnostic; |
| 3 | +use rustc_middle::ty::{PolyTraitRef, Ty, Unevaluated}; |
| 4 | +use rustc_session::{parse::ParseSess, Limit, SessionDiagnostic}; |
| 5 | +use rustc_span::{Span, Symbol}; |
| 6 | + |
| 7 | +#[derive(SessionDiagnostic)] |
| 8 | +#[diag(trait_selection::dump_vtable_entries)] |
| 9 | +pub struct DumpVTableEntries<'a> { |
| 10 | + #[primary_span] |
| 11 | + pub span: Span, |
| 12 | + pub trait_ref: PolyTraitRef<'a>, |
| 13 | + pub entries: String, |
| 14 | +} |
| 15 | + |
| 16 | +#[derive(SessionDiagnostic)] |
| 17 | +#[diag(trait_selection::unable_to_construct_constant_value)] |
| 18 | +pub struct UnableToConstructConstantValue<'a> { |
| 19 | + #[primary_span] |
| 20 | + pub span: Span, |
| 21 | + pub unevaluated: Unevaluated<'a>, |
| 22 | +} |
| 23 | + |
| 24 | +#[derive(SessionDiagnostic)] |
| 25 | +#[help] |
| 26 | +#[diag(trait_selection::auto_deref_reached_recursion_limit, code = "E0055")] |
| 27 | +pub struct AutoDerefReachedRecursionLimit<'a> { |
| 28 | + #[primary_span] |
| 29 | + #[label] |
| 30 | + pub span: Span, |
| 31 | + pub ty: Ty<'a>, |
| 32 | + pub suggested_limit: Limit, |
| 33 | + pub crate_name: Symbol, |
| 34 | +} |
| 35 | + |
| 36 | +#[derive(SessionDiagnostic)] |
| 37 | +#[diag(trait_selection::empty_on_clause_in_rustc_on_unimplemented, code = "E0232")] |
| 38 | +pub struct EmptyOnClauseInOnUnimplemented { |
| 39 | + #[primary_span] |
| 40 | + #[label] |
| 41 | + pub span: Span, |
| 42 | +} |
| 43 | + |
| 44 | +#[derive(SessionDiagnostic)] |
| 45 | +#[diag(trait_selection::invalid_on_clause_in_rustc_on_unimplemented, code = "E0232")] |
| 46 | +pub struct InvalidOnClauseInOnUnimplemented { |
| 47 | + #[primary_span] |
| 48 | + #[label] |
| 49 | + pub span: Span, |
| 50 | +} |
| 51 | + |
| 52 | +#[derive(SessionDiagnostic)] |
| 53 | +#[diag(trait_selection::no_value_in_rustc_on_unimplemented, code = "E0232")] |
| 54 | +#[note] |
| 55 | +pub struct NoValueInOnUnimplemented { |
| 56 | + #[primary_span] |
| 57 | + #[label] |
| 58 | + pub span: Span, |
| 59 | +} |
| 60 | + |
| 61 | +pub struct NegativePositiveConflict<'a> { |
| 62 | + pub impl_span: Span, |
| 63 | + pub trait_desc: &'a str, |
| 64 | + pub self_desc: &'a Option<String>, |
| 65 | + pub negative_impl_span: Result<Span, Symbol>, |
| 66 | + pub positive_impl_span: Result<Span, Symbol>, |
| 67 | +} |
| 68 | + |
| 69 | +impl SessionDiagnostic<'_> for NegativePositiveConflict<'_> { |
| 70 | + fn into_diagnostic( |
| 71 | + self, |
| 72 | + sess: &ParseSess, |
| 73 | + ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { |
| 74 | + let mut diag = sess.struct_err(fluent::trait_selection::negative_positive_conflict); |
| 75 | + diag.set_arg("trait_desc", self.trait_desc); |
| 76 | + diag.set_arg( |
| 77 | + "self_desc", |
| 78 | + self.self_desc.clone().map_or_else(|| String::from("none"), |ty| ty), |
| 79 | + ); |
| 80 | + diag.set_span(self.impl_span); |
| 81 | + diag.code(rustc_errors::error_code!(E0751)); |
| 82 | + match self.negative_impl_span { |
| 83 | + Ok(span) => { |
| 84 | + diag.span_label(span, fluent::trait_selection::negative_implementation_here); |
| 85 | + } |
| 86 | + Err(cname) => { |
| 87 | + diag.note(fluent::trait_selection::negative_implementation_in_crate); |
| 88 | + diag.set_arg("negative_impl_cname", cname.to_string()); |
| 89 | + } |
| 90 | + } |
| 91 | + match self.positive_impl_span { |
| 92 | + Ok(span) => { |
| 93 | + diag.span_label(span, fluent::trait_selection::positive_implementation_here); |
| 94 | + } |
| 95 | + Err(cname) => { |
| 96 | + diag.note(fluent::trait_selection::positive_implementation_in_crate); |
| 97 | + diag.set_arg("positive_impl_cname", cname.to_string()); |
| 98 | + } |
| 99 | + } |
| 100 | + diag |
| 101 | + } |
| 102 | +} |
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