bjoernager/rust
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Allow using bool for optional diagnostics

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This commit is contained in:
clubby789 2023-02-27 12:54:11 +00:00
parent 49b9cc5139
commit ef434f04e9
4 changed files with 77 additions and 45 deletions
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13
compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs
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@ -6,8 +6,8 @@ use crate::diagnostics::error::{
};
use crate::diagnostics::utils::{
build_field_mapping, is_doc_comment, report_error_if_not_applied_to_span, report_type_error,
should_generate_set_arg, type_is_unit, type_matches_path, FieldInfo, FieldInnerTy, FieldMap,
HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind,
should_generate_set_arg, type_is_bool, type_is_unit, type_matches_path, FieldInfo,
FieldInnerTy, FieldMap, HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind,
};
use proc_macro2::{Ident, Span, TokenStream};
use quote::{format_ident, quote};
@ -414,12 +414,15 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> {
Ok(self.add_spanned_subdiagnostic(binding, &fn_ident, slug))
}
SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn => {
if type_matches_path(info.ty.inner_type(), &["rustc_span", "Span"]) {
let inner = info.ty.inner_type();
if type_matches_path(inner, &["rustc_span", "Span"]) {
Ok(self.add_spanned_subdiagnostic(binding, &fn_ident, slug))
} else if type_is_unit(info.ty.inner_type()) {
} else if type_is_unit(inner)
|| (matches!(info.ty, FieldInnerTy::Plain(_)) && type_is_bool(inner))
{
Ok(self.add_subdiagnostic(&fn_ident, slug))
} else {
report_type_error(attr, "`Span` or `()`")?
report_type_error(attr, "`Span`, `bool` or `()`")?
}
}
SubdiagnosticKind::Suggestion {