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Replace rustc_lexer/unescape with rustc-literal-escaper crate

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This commit is contained in:
Guillaume Gomez 2025-04-04 14:44:45 +02:00
parent a4166dabaa
commit aff2bc7a88
12 changed files with 22 additions and 743 deletions
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10
compiler/rustc_parse/src/lexer/mod.rs
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@ -6,8 +6,8 @@ use rustc_ast::tokenstream::TokenStream;
use rustc_ast::util::unicode::contains_text_flow_control_chars;
use rustc_errors::codes::*;
use rustc_errors::{Applicability, Diag, DiagCtxtHandle, StashKey};
use rustc_lexer::unescape::{self, EscapeError, Mode};
use rustc_lexer::{Base, Cursor, DocStyle, LiteralKind, RawStrError};
use rustc_literal_escaper::{EscapeError, Mode, unescape_mixed, unescape_unicode};
use rustc_session::lint::BuiltinLintDiag;
use rustc_session::lint::builtin::{
RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, RUST_2024_GUARDED_STRING_INCOMPATIBLE_SYNTAX,
@ -970,9 +970,7 @@ impl<'psess, 'src> Lexer<'psess, 'src> {
postfix_len: u32,
) -> (token::LitKind, Symbol) {
self.cook_common(kind, mode, start, end, prefix_len, postfix_len, |src, mode, callback| {
unescape::unescape_unicode(src, mode, &mut |span, result| {
callback(span, result.map(drop))
})
unescape_unicode(src, mode, &mut |span, result| callback(span, result.map(drop)))
})
}
@ -986,9 +984,7 @@ impl<'psess, 'src> Lexer<'psess, 'src> {
postfix_len: u32,
) -> (token::LitKind, Symbol) {
self.cook_common(kind, mode, start, end, prefix_len, postfix_len, |src, mode, callback| {
unescape::unescape_mixed(src, mode, &mut |span, result| {
callback(span, result.map(drop))
})
unescape_mixed(src, mode, &mut |span, result| callback(span, result.map(drop)))
})
}
}

2
compiler/rustc_parse/src/lexer/unescape_error_reporting.rs
View file

@ -4,7 +4,7 @@ use std::iter::once;
use std::ops::Range;
use rustc_errors::{Applicability, DiagCtxtHandle, ErrorGuaranteed};
use rustc_lexer::unescape::{EscapeError, Mode};
use rustc_literal_escaper::{EscapeError, Mode};
use rustc_span::{BytePos, Span};
use tracing::debug;

2
compiler/rustc_parse/src/parser/expr.rs
View file

@ -21,7 +21,7 @@ use rustc_ast::{
};
use rustc_data_structures::stack::ensure_sufficient_stack;
use rustc_errors::{Applicability, Diag, PResult, StashKey, Subdiagnostic};
use rustc_lexer::unescape::unescape_char;
use rustc_literal_escaper::unescape_char;
use rustc_macros::Subdiagnostic;
use rustc_session::errors::{ExprParenthesesNeeded, report_lit_error};
use rustc_session::lint::BuiltinLintDiag;