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Rollup merge of #103919 - nnethercote:unescaping-cleanups, r=matklad

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Unescaping cleanups

Some code improvements, and some error message improvements.

Best reviewed one commit at a time.

r? ````@matklad````
This commit is contained in:
Dylan DPC 2022-11-09 19:21:22 +05:30 committed by GitHub
commit a65ca91b84
1 changed files with 2 additions and 4 deletions
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6
crates/syntax/src/validation.rs
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@ -5,9 +5,7 @@
mod block;
use rowan::Direction;
use rustc_lexer::unescape::{
self, unescape_byte, unescape_byte_literal, unescape_char, unescape_literal, Mode,
};
use rustc_lexer::unescape::{self, unescape_byte, unescape_char, unescape_literal, Mode};
use crate::{
algo,
@ -143,7 +141,7 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
ast::LiteralKind::ByteString(s) => {
if !s.is_raw() {
if let Some(without_quotes) = unquote(text, 2, '"') {
unescape_byte_literal(without_quotes, Mode::ByteStr, &mut |range, char| {
unescape_literal(without_quotes, Mode::ByteStr, &mut |range, char| {
if let Err(err) = char {
push_err(2, (range.start, err));
}