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More lexer improvements #102302

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Merged
bors merged 15 commits into from
Sep 28, 2022
Merged

More lexer improvements #102302

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66e9b11
Rearrange `TokenTreesReader::parse_token_tree`.
nnethercote Sep 21, 2022
14281e6
Remove unnecessary `spacing` assignment.
nnethercote Sep 21, 2022
9640d1c
Move `#!` checking.
nnethercote Sep 21, 2022
d7928a9
Clarify spacing computation.
nnethercote Sep 21, 2022
5b2075e
Remove `TokenTreesReader::bump`.
nnethercote Sep 21, 2022
33ba277
Remove `ast::Token::take`.
nnethercote Sep 26, 2022
33516ac
[ui] Rearrange `StringReader`/`TokenTreesReader` creation.
nnethercote Sep 25, 2022
aa6bfaf
Make `rustc_lexer::cursor::Cursor` public.
nnethercote Sep 25, 2022
ceb25d1
Use less DRY in `cook_lexer_token`.
nnethercote Sep 26, 2022
cc0022a
Rename some things.
nnethercote Sep 26, 2022
da84f0f
Add `rustc_lexer::TokenKind::Eof`.
nnethercote Sep 26, 2022
fb4dba0
Inline and remove `cook_lexer_token`.
nnethercote Sep 26, 2022
880ebb6
Minor improvements.
nnethercote Sep 26, 2022
7f7e216
Rename some variables.
nnethercote Sep 27, 2022
d0a26ac
Address review comments.
nnethercote Sep 28, 2022
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3 changes: 2 additions & 1 deletion compiler/rustc_errors/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,8 @@ 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.)
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