Special-case try macro_rules

2020-04-30 22:07:46 +08:00
parent fec1e7c8e1
commit 45c4f620b1
3 changed files with 39 additions and 0 deletions
--- a/crates/ra_parser/src/grammar/items.rs
+++ b/crates/ra_parser/src/grammar/items.rs
@@ -415,6 +415,17 @@ pub(super) fn macro_call_after_excl(p: &mut Parser) -> BlockLike {
    if p.at(IDENT) {
        name(p);
    }
+    // Special-case `macro_rules! try`.
+    // This is a hack until we do proper edition support
+
+    // test try_macro_rules
+    // macro_rules! try { () => {} }
+    if p.at(T![try]) {
+        let m = p.start();
+        p.bump_remap(IDENT);
+        m.complete(p, NAME);
+    }
+
    match p.current() {
        T!['{'] => {
            token_tree(p);