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Add macro pat parsing

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This commit is contained in:
Edwin Cheng
2019-04-30 23:22:48 +08:00
parent 6618d1edc3
commit b454eb5a60
3 changed files with 49 additions and 1 deletions
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11
crates/ra_parser/src/grammar/patterns.rs
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@@ -40,6 +40,15 @@ pub(super) fn pattern_r(p: &mut Parser, recovery_set: TokenSet) {
atom_pat(p, recovery_set);
m.complete(p, RANGE_PAT);
}
// test marco_pat
// fn main() {
// let m!(x) = 0;
// }
else if lhs.kind() == PATH_PAT && p.at(EXCL) {
let m = lhs.precede(p);
items::macro_call_after_excl(p);
m.complete(p, MACRO_CALL);
}
}
}
@@ -51,7 +60,7 @@ fn atom_pat(p: &mut Parser, recovery_set: TokenSet) -> Option<CompletedMarker> {
let la1 = p.nth(1);
if la0 == REF_KW
|| la0 == MUT_KW
|| (la0 == IDENT && !(la1 == COLONCOLON || la1 == L_PAREN || la1 == L_CURLY))
|| (la0 == IDENT && !(la1 == COLONCOLON || la1 == L_PAREN || la1 == L_CURLY || la1 == EXCL))
{
return Some(bind_pat(p, true));
}