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Use span stacks to track macro expansion for less troublesome error messages.

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This commit is contained in:
Paul Stansifer 2011-08-15 13:33:12 -07:00
parent c48036c0b7
commit ebb16e6a25
8 changed files with 63 additions and 37 deletions
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3
src/comp/syntax/parse/parser.rs
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@ -1478,7 +1478,8 @@ fn parse_pat(p: &parser) -> @ast::pat {
if p.peek() == token::RPAREN {
hi = p.get_hi_pos();
p.bump();
pat = ast::pat_lit(@{node: ast::lit_nil, span: {lo: lo, hi: hi}});
pat = ast::pat_lit(@{node: ast::lit_nil,
span: ast::mk_sp(lo,hi)});
} else {
let fields = ~[parse_pat(p)];
while p.peek() == token::COMMA {