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Remove StringReader::end_src_index.

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It not needed, always being set to the end of the text.
This commit is contained in:
Nicholas Nethercote 2022-07-27 12:50:22 +10:00
parent 55185992d6
commit bd23d68b41
1 changed files with 2 additions and 5 deletions
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7
compiler/rustc_parse/src/lexer/mod.rs
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@ -37,8 +37,7 @@ pub(crate) fn parse_token_trees<'a>(
start_pos: BytePos,
override_span: Option<Span>,
) -> (PResult<'a, TokenStream>, Vec<UnmatchedBrace>) {
StringReader { sess, start_pos, pos: start_pos, end_src_index: src.len(), src, override_span }
.into_token_trees()
StringReader { sess, start_pos, pos: start_pos, src, override_span }.into_token_trees()
}
struct StringReader<'a> {
@ -47,8 +46,6 @@ struct StringReader<'a> {
start_pos: BytePos,
/// The absolute offset within the source_map of the current character.
pos: BytePos,
/// Stop reading src at this index.
end_src_index: usize,
/// Source text to tokenize.
src: &'a str,
override_span: Option<Span>,
@ -74,7 +71,7 @@ impl<'a> StringReader<'a> {
// Skip trivial (whitespace & comments) tokens
loop {
let start_src_index = self.src_index(self.pos);
let text: &str = &self.src[start_src_index..self.end_src_index];
let text: &str = &self.src[start_src_index..];
if text.is_empty() {
let span = self.mk_sp(self.pos, self.pos);