bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Make next_items a SmallVec.

Browse source 
For consistency, and to make the code slightly nicer.
This commit is contained in:
Nicholas Nethercote 2022-03-09 14:37:45 +11:00
parent c13ca42d67
commit 235a87fbd3
1 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_expand/src/mbe/macro_parser.rs
View file

@ -491,7 +491,7 @@ fn parse_tt_inner<'root, 'tt>(
sess: &ParseSess, sess: &ParseSess,
ms: &[TokenTree], ms: &[TokenTree],
cur_items: &mut SmallVec<[MatcherPosHandle<'root, 'tt>; 1]>, cur_items: &mut SmallVec<[MatcherPosHandle<'root, 'tt>; 1]>,
next_items: &mut Vec<MatcherPosHandle<'root, 'tt>>, next_items: &mut SmallVec<[MatcherPosHandle<'root, 'tt>; 1]>,
bb_items: &mut SmallVec<[MatcherPosHandle<'root, 'tt>; 1]>, bb_items: &mut SmallVec<[MatcherPosHandle<'root, 'tt>; 1]>,
token: &Token, token: &Token,
) -> Option<NamedParseResult> { ) -> Option<NamedParseResult> {
@ -708,10 +708,9 @@ pub(super) fn parse_tt(
// there are frequently *no* others! -- are allocated on the heap. // there are frequently *no* others! -- are allocated on the heap.
let mut initial = MatcherPos::new(ms); let mut initial = MatcherPos::new(ms);
let mut cur_items = smallvec![MatcherPosHandle::Ref(&mut initial)]; let mut cur_items = smallvec![MatcherPosHandle::Ref(&mut initial)];
let mut next_items = Vec::new();
loop { loop {
assert!(next_items.is_empty()); let mut next_items = SmallVec::new();
// Matcher positions black-box parsed by parser.rs (`parser`) // Matcher positions black-box parsed by parser.rs (`parser`)
let mut bb_items = SmallVec::new(); let mut bb_items = SmallVec::new();