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Fix Attr metavariable binding #3790

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Merged
philberty merged 1 commit into from
May 13, 2025
Merged

Fix Attr metavariable binding #3790

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5 changes: 4 additions & 1 deletion gcc/rust/parse/rust-parse-impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -877,7 +877,10 @@ Parser<ManagedTokenSource>::parse_attr_input ()
return attr_input_lit;
}
break;
case RIGHT_PAREN:
case RIGHT_SQUARE:
case RIGHT_CURLY:
case END_OF_FILE:
// means AttrInput is missing, which is allowed
return nullptr;
default:
Expand Down Expand Up @@ -11911,7 +11914,7 @@ Parser<ManagedTokenSource>::skip_after_end_attribute ()
{
const_TokenPtr t = lexer.peek_token ();

while (t->get_id () != RIGHT_SQUARE)
while (t->get_id () != RIGHT_SQUARE && t->get_id () != END_OF_FILE)
{
lexer.skip_token ();
t = lexer.peek_token ();
Expand Down
7 changes: 7 additions & 0 deletions gcc/testsuite/rust/compile/macros/mbe/meta-param.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
macro_rules! foo {
($x:meta) => {0}
}

pub fn main() -> i32 {
foo!(Clone)
}