bjoernager/rust
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Document new field and function

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This commit is contained in:
Oli Scherer 2024-06-27 09:45:26 +00:00
parent ba198af81f
commit bd111f5c4b
1 changed files with 5 additions and 0 deletions
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5
compiler/rustc_errors/src/lib.rs
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@ -418,6 +418,8 @@ pub struct DiagCtxt {
#[derive(Copy, Clone)] #[derive(Copy, Clone)]
pub struct DiagCtxtHandle<'a> { pub struct DiagCtxtHandle<'a> {
dcx: &'a DiagCtxt, dcx: &'a DiagCtxt,
/// Some contexts create `DiagCtxtHandle` with this field set, and thus all
/// errors emitted with it will automatically taint when emitting errors.
tainted_with_errors: Option<&'a Cell<Option<ErrorGuaranteed>>>, tainted_with_errors: Option<&'a Cell<Option<ErrorGuaranteed>>>,
} }
@ -757,6 +759,9 @@ impl DiagCtxt {
DiagCtxtHandle { dcx: self, tainted_with_errors: None } DiagCtxtHandle { dcx: self, tainted_with_errors: None }
} }
/// Link this to a taintable context so that emitting errors will automatically set
/// the `Option<ErrorGuaranteed>` instead of having to do that manually at every error
/// emission site.
pub fn taintable_handle<'a>( pub fn taintable_handle<'a>(
&'a self, &'a self,
tainted_with_errors: &'a Cell<Option<ErrorGuaranteed>>, tainted_with_errors: &'a Cell<Option<ErrorGuaranteed>>,