bjoernager/rust
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Add level arg to into_diagnostic.

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And make all hand-written `IntoDiagnostic` impls generic, by using
`DiagnosticBuilder::new(dcx, level, ...)` instead of e.g.
`dcx.struct_err(...)`.

This means the `create_*` functions are the source of the error level.
This change will let us remove `struct_diagnostic`.

Note: `#[rustc_lint_diagnostics]` is added to `DiagnosticBuilder::new`,
it's necessary to pass diagnostics tests now that it's used in
`into_diagnostic` functions.
This commit is contained in:
Nicholas Nethercote 2023-12-18 14:12:39 +11:00
parent 31df50c897
commit e7724a2e31
24 changed files with 307 additions and 288 deletions
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17
compiler/rustc_mir_build/src/errors.rs
View file

@ -2,7 +2,7 @@ use crate::fluent_generated as fluent;
use rustc_errors::DiagnosticArgValue;
use rustc_errors::{
error_code, AddToDiagnostic, Applicability, DiagCtxt, Diagnostic, DiagnosticBuilder,
ErrorGuaranteed, IntoDiagnostic, MultiSpan, SubdiagnosticMessage,
ErrorGuaranteed, IntoDiagnostic, Level, MultiSpan, SubdiagnosticMessage,
};
use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
use rustc_middle::ty::{self, Ty};
@ -461,13 +461,18 @@ pub(crate) struct NonExhaustivePatternsTypeNotEmpty<'p, 'tcx, 'm> {
}
impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> {
fn into_diagnostic(self, dcx: &'a DiagCtxt) -> DiagnosticBuilder<'_, ErrorGuaranteed> {
let mut diag = dcx.struct_span_err_with_code(
self.span,
fn into_diagnostic(
self,
dcx: &'a DiagCtxt,
level: Level,
) -> DiagnosticBuilder<'_, ErrorGuaranteed> {
let mut diag = DiagnosticBuilder::new(
dcx,
level,
fluent::mir_build_non_exhaustive_patterns_type_not_empty,
error_code!(E0004),
);
diag.set_span(self.span);
diag.code(error_code!(E0004));
let peeled_ty = self.ty.peel_refs();
diag.set_arg("ty", self.ty);
diag.set_arg("peeled_ty", peeled_ty);