bendns' repos / rust-analyzer
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Diffstat (limited to 'crates/parser/src/grammar/expressions/atom.rs')
-rw-r--r--crates/parser/src/grammar/expressions/atom.rs25
1 files changed, 16 insertions, 9 deletions
diff --git a/crates/parser/src/grammar/expressions/atom.rs b/crates/parser/src/grammar/expressions/atom.rs
index 3214fd90f2..cabdd74b09 100644
--- a/crates/parser/src/grammar/expressions/atom.rs
+++ b/crates/parser/src/grammar/expressions/atom.rs
@@ -216,16 +216,19 @@ fn tuple_expr(p: &mut Parser<'_>) -> CompletedMarker {
let mut saw_comma = false;
let mut saw_expr = false;
- // test_err tuple_expr_leading_comma
- // fn foo() {
- // (,);
- // }
- if p.eat(T![,]) {
- p.error("expected expression");
- saw_comma = true;
- }
-
while !p.at(EOF) && !p.at(T![')']) {
+ // test_err tuple_expr_empty_expr
+ // fn foo() {
+ // (,);
+ // (a, , b);
+ // }
+ if p.current() == T![,] {
+ p.error("expected expression");
+ p.bump(T![,]);
+ saw_comma = true;
+ continue;
+ }
+
saw_expr = true;
// test tuple_attrs
@@ -888,6 +891,10 @@ fn return_expr(p: &mut Parser<'_>) -> CompletedMarker {
let m = p.start();
p.bump(T![return]);
if p.at_ts(EXPR_FIRST) {
+ // test return_attr
+ // fn foo() {
+ // return #[attr] 1;
+ // }
expr(p);
}
m.complete(p, RETURN_EXPR)