bjoernager/rust
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errors: add emit_note/create_note

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Add `Noted` marker struct that implements `EmissionGuarantee` so that
`emit_note` and `create_note` can be implemented for struct diagnostics.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-09-01 11:40:43 +01:00 • committed by Nathan Stocks
parent 1e86226e9d
commit f8ebc72b4a
4 changed files with 78 additions and 4 deletions
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8
compiler/rustc_errors/src/lib.rs
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@ -374,7 +374,7 @@ pub use diagnostic::{
AddToDiagnostic, DecorateLint, Diagnostic, DiagnosticArg, DiagnosticArgFromDisplay,
DiagnosticArgValue, DiagnosticId, DiagnosticStyledString, IntoDiagnosticArg, SubDiagnostic,
};
pub use diagnostic_builder::{DiagnosticBuilder, EmissionGuarantee};
pub use diagnostic_builder::{DiagnosticBuilder, EmissionGuarantee, Noted};
use std::backtrace::Backtrace;
/// A handler deals with errors and other compiler output.
@ -988,7 +988,11 @@ impl Handler {
}
pub fn has_errors(&self) -> Option<ErrorGuaranteed> {
if self.inner.borrow().has_errors() { Some(ErrorGuaranteed(())) } else { None }
if self.inner.borrow().has_errors() {
Some(ErrorGuaranteed(()))
} else {
None
}
}
pub fn has_errors_or_lint_errors(&self) -> Option<ErrorGuaranteed> {
if self.inner.borrow().has_errors_or_lint_errors() {