diff options
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_parser.rs | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs index 74def68b185..dacc5191955 100644 --- a/src/libsyntax/ext/tt/macro_parser.rs +++ b/src/libsyntax/ext/tt/macro_parser.rs @@ -92,6 +92,7 @@ use parse::token; use print::pprust; use ptr::P; use tokenstream::{self, TokenTree}; +use util::small_vector::SmallVector; use std::mem; use std::rc::Rc; @@ -284,12 +285,9 @@ pub fn parse(sess: &ParseSess, mut rdr: TtReader, ms: &[TokenTree]) -> NamedParseResult { - let mut cur_eis = Vec::new(); - cur_eis.push(initial_matcher_pos(Rc::new(ms.iter() - .cloned() - .collect()), - None, - rdr.peek().sp.lo)); + let mut cur_eis = SmallVector::one(initial_matcher_pos(Rc::new(ms.to_owned()), + None, + rdr.peek().sp.lo)); loop { let mut bb_eis = Vec::new(); // black-box parsed by parser.rs |