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Add L_DOLLAR for TYPE_RECOVERY_SET

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This commit is contained in:
Edwin Cheng 2020-04-08 18:34:20 +08:00
parent d89c189ad1
commit 53d05448c1
2 changed files with 18 additions and 1 deletions
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17
crates/ra_mbe/src/tests.rs
View file

@ -1614,6 +1614,23 @@ fn test_issue_2520() {
);
}
#[test]
fn test_issue_3861() {
let macro_fixture = parse_macro(
r#"
macro_rules! rgb_color {
($p:expr, $t: ty) => {
pub fn new() {
let _ = 0 as $t << $p;
}
};
}
"#,
);
macro_fixture.expand_items(r#"rgb_color!(8 + 8, u32);"#);
}
#[test]
fn test_repeat_bad_var() {
// FIXME: the second rule of the macro should be removed and an error about

2
crates/ra_parser/src/grammar/types.rs
View file

@ -7,7 +7,7 @@ pub(super) const TYPE_FIRST: TokenSet = paths::PATH_FIRST.union(token_set![
DYN_KW, L_ANGLE,
]);
const TYPE_RECOVERY_SET: TokenSet = token_set![R_PAREN, COMMA];
const TYPE_RECOVERY_SET: TokenSet = token_set![R_PAREN, COMMA, L_DOLLAR];
pub(crate) fn type_(p: &mut Parser) {
type_with_bounds_cond(p, true);