Auto merge of #60182 - matklad:lexer-cleanup, r=petrochenkov

Lexer cleanup

another couple of tiny cleanups
This commit is contained in:
bors 2019-04-29 01:22:12 +00:00
commit c7fcbfbf1f
2 changed files with 4 additions and 6 deletions

View file

@ -446,9 +446,7 @@ impl<'a> StringReader<'a> {
self.with_str_from_to(start, self.pos, f) self.with_str_from_to(start, self.pos, f)
} }
/// Creates a Name from a given offset to the current offset, each /// Creates a Name from a given offset to the current offset.
/// adjusted 1 towards each other (assumes that on either side there is a
/// single-byte delimiter).
fn name_from(&self, start: BytePos) -> ast::Name { fn name_from(&self, start: BytePos) -> ast::Name {
debug!("taking an ident from {:?} to {:?}", start, self.pos); debug!("taking an ident from {:?} to {:?}", start, self.pos);
self.with_str_from(start, Symbol::intern) self.with_str_from(start, Symbol::intern)
@ -1420,8 +1418,8 @@ impl<'a> StringReader<'a> {
// Include the leading `'` in the real identifier, for macro // Include the leading `'` in the real identifier, for macro
// expansion purposes. See #12512 for the gory details of why // expansion purposes. See #12512 for the gory details of why
// this is necessary. // this is necessary.
let ident = self.with_str_from(start, |lifetime_name| { let ident = self.with_str_from(start_with_quote, |lifetime_name| {
self.mk_ident(&format!("'{}", lifetime_name)) self.mk_ident(lifetime_name)
}); });
if c2.is_numeric() { if c2.is_numeric() {

View file

@ -366,7 +366,7 @@ fn char_lit(lit: &str, diag: Option<(Span, &Handler)>) -> (char, isize) {
} }
/// Parses a string representing a string literal into its final form. Does unescaping. /// Parses a string representing a string literal into its final form. Does unescaping.
pub fn str_lit(lit: &str, diag: Option<(Span, &Handler)>) -> String { fn str_lit(lit: &str, diag: Option<(Span, &Handler)>) -> String {
debug!("str_lit: given {}", lit.escape_default()); debug!("str_lit: given {}", lit.escape_default());
let mut res = String::with_capacity(lit.len()); let mut res = String::with_capacity(lit.len());