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Auto merge of #102302 - nnethercote:more-lexer-improvements, r=matklad

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More lexer improvements

A follow-up to #99884.

r? `@matklad`
This commit is contained in:
bors 2022-09-28 08:14:04 +00:00
commit 6201eabde8
7 changed files with 443 additions and 457 deletions
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3
compiler/rustc_errors/src/lib.rs
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@ -62,7 +62,8 @@ pub mod translation;
pub use diagnostic_builder::IntoDiagnostic;
pub use snippet::Style;
pub type PResult<'a, T> = Result<T, DiagnosticBuilder<'a, ErrorGuaranteed>>;
pub type PErr<'a> = DiagnosticBuilder<'a, ErrorGuaranteed>;
pub type PResult<'a, T> = Result<T, PErr<'a>>;
// `PResult` is used a lot. Make sure it doesn't unintentionally get bigger.
// (See also the comment on `DiagnosticBuilder`'s `diagnostic` field.)