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Use SmallVector for eof and bb eis.

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This commit is contained in:
Mark-Simulacrum 2016-11-11 16:37:08 -07:00
parent b8d6686ef3
commit 6046595e34
1 changed files with 4 additions and 6 deletions
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10
src/libsyntax/ext/tt/macro_parser.rs
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@ -279,8 +279,8 @@ fn create_matches(len: usize) -> Vec<Vec<Rc<NamedMatch>>> {
fn inner_parse_loop(cur_eis: &mut SmallVector<Box<MatcherPos>>,
next_eis: &mut Vec<Box<MatcherPos>>,
eof_eis: &mut Vec<Box<MatcherPos>>,
bb_eis: &mut Vec<Box<MatcherPos>>,
eof_eis: &mut SmallVector<Box<MatcherPos>>,
bb_eis: &mut SmallVector<Box<MatcherPos>>,
token: &Token, span: &syntax_pos::Span) -> ParseResult<()> {
while let Some(mut ei) = cur_eis.pop() {
// When unzipped trees end, remove them
@ -412,12 +412,10 @@ pub fn parse(sess: &ParseSess, rdr: TtReader, ms: &[TokenTree]) -> NamedParseRes
let mut cur_eis = SmallVector::one(initial_matcher_pos(ms.to_owned(), parser.span.lo));
loop {
let mut bb_eis = Vec::new(); // black-box parsed by parser.rs
let mut bb_eis = SmallVector::new(); // black-box parsed by parser.rs
let mut eof_eis = SmallVector::new();
let mut next_eis = Vec::new(); // or proceed normally
// FIXME: Use SmallVector since in the successful case we will only have one
let mut eof_eis = Vec::new();
match inner_parse_loop(&mut cur_eis, &mut next_eis, &mut eof_eis, &mut bb_eis,
&parser.token, &parser.span) {
Success(_) => {},