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fix block parse problem

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This commit is contained in:
bravomikekilo
2019-08-03 19:57:07 +08:00
parent 0ca30b6c4b
commit 562359d706
1 changed files with 6 additions and 7 deletions
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13
crates/ra_parser/src/grammar/expressions.rs
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@@ -360,10 +360,7 @@ fn lhs(
} }
_ => { _ => {
let (lhs, blocklike) = atom::atom_expr(p, r)?; let (lhs, blocklike) = atom::atom_expr(p, r)?;
return Some(( return Some(postfix_expr(p, lhs, blocklike, !(r.prefer_stmt && blocklike.is_block())));
postfix_expr(p, lhs, !(r.prefer_stmt && blocklike.is_block())),
blocklike,
));
} }
}; };
expr_bp(p, r, 255, dollar_lvl); expr_bp(p, r, 255, dollar_lvl);
@@ -376,8 +373,9 @@ fn postfix_expr(
// Calls are disallowed if the type is a block and we prefer statements because the call cannot be disambiguated from a tuple // Calls are disallowed if the type is a block and we prefer statements because the call cannot be disambiguated from a tuple
// E.g. `while true {break}();` is parsed as // E.g. `while true {break}();` is parsed as
// `while true {break}; ();` // `while true {break}; ();`
mut block_like: BlockLike,
mut allow_calls: bool, mut allow_calls: bool,
) -> CompletedMarker { ) -> (CompletedMarker, BlockLike) {
loop { loop {
lhs = match p.current() { lhs = match p.current() {
// test stmt_postfix_expr_ambiguity // test stmt_postfix_expr_ambiguity
@@ -417,9 +415,10 @@ fn postfix_expr(
T![as] => cast_expr(p, lhs), T![as] => cast_expr(p, lhs),
_ => break, _ => break,
}; };
allow_calls = true allow_calls = true;
block_like = BlockLike::NotBlock;
} }
lhs (lhs, block_like)
} }
// test call_expr // test call_expr