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parser: Fix lookahead of > 1 token

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This commit is contained in:
Brian Anderson 2012-04-27 12:19:52 -07:00
parent 345a21916c
commit beece25abe
1 changed files with 2 additions and 2 deletions
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4
src/librustsyntax/parse/parser.rs
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@ -69,7 +69,7 @@ impl parser for parser {
self.token = next.tok;
self.span = mk_sp(next.chpos, self.reader.chpos);
} else {
let next = vec::pop(self.buffer);
let next = vec::shift(self.buffer);
self.token = next.tok;
self.span = next.span;
}
@ -82,7 +82,7 @@ impl parser for parser {
while vec::len(self.buffer) < distance {
let next = lexer::next_token(self.reader);
let sp = mk_sp(next.chpos, self.reader.chpos);
self.buffer = [{tok: next.tok, span: sp}] + self.buffer;
vec::push(self.buffer, {tok: next.tok, span: sp});
}
ret self.buffer[distance - 1u].tok;
}