bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/parser/src/grammar.rs')
-rw-r--r--crates/parser/src/grammar.rs34
1 files changed, 34 insertions, 0 deletions
diff --git a/crates/parser/src/grammar.rs b/crates/parser/src/grammar.rs
index a868419821..333318f53b 100644
--- a/crates/parser/src/grammar.rs
+++ b/crates/parser/src/grammar.rs
@@ -165,6 +165,40 @@ pub(crate) mod entry {
}
m.complete(p, ERROR);
}
+
+ pub(crate) fn eager_macro_input(p: &mut Parser<'_>) {
+ let m = p.start();
+
+ let closing_paren_kind = match p.current() {
+ T!['{'] => T!['}'],
+ T!['('] => T![')'],
+ T!['['] => T![']'],
+ _ => {
+ p.error("expected `{`, `[`, `(`");
+ while !p.at(EOF) {
+ p.bump_any();
+ }
+ m.complete(p, ERROR);
+ return;
+ }
+ };
+ p.bump_any();
+ while !p.at(EOF) && !p.at(closing_paren_kind) {
+ expressions::expr(p);
+ if !p.at(EOF) && !p.at(closing_paren_kind) {
+ p.expect(T![,]);
+ }
+ }
+ p.expect(closing_paren_kind);
+ if p.at(EOF) {
+ m.complete(p, MACRO_EAGER_INPUT);
+ return;
+ }
+ while !p.at(EOF) {
+ p.bump_any();
+ }
+ m.complete(p, ERROR);
+ }
}
}