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libsyntax: fix the span in parse_bottom_expr's INTERPOLATED handler

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This commit is contained in:
Erick Tryzelaar 2013-02-20 21:04:05 -08:00
parent d20438695e
commit 8b94ef0302
1 changed files with 17 additions and 12 deletions
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29
src/libsyntax/parse/parser.rs
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@ -127,18 +127,23 @@ enum view_item_parse_mode {
The important thing is to make sure that lookahead doesn't balk
at INTERPOLATED tokens */
macro_rules! maybe_whole_expr (
($p:expr) => ( match *$p.token {
INTERPOLATED(token::nt_expr(e)) => {
$p.bump();
return e;
}
INTERPOLATED(token::nt_path(pt)) => {
$p.bump();
return $p.mk_expr($p.span.lo, $p.span.lo,
expr_path(pt));
}
_ => ()
})
($p:expr) => (
match *$p.token {
INTERPOLATED(token::nt_expr(e)) => {
$p.bump();
return e;
}
INTERPOLATED(token::nt_path(pt)) => {
$p.bump();
return $p.mk_expr(
$p.span.lo,
$p.span.hi,
expr_path(pt)
);
}
_ => ()
}
)
)
macro_rules! maybe_whole (