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authorAleksey Kladov <[email protected]>2020-04-30 13:17:14 +0100
committerAleksey Kladov <[email protected]>2020-04-30 13:17:14 +0100
commitc51c8bfb840d35709ee1cec190620c98b4fc3590 (patch)
tree895e7c39fa81763f893dea3365f033f7e56956dd /crates/ra_parser/src
parent36775ef0d056b374b8e2b89f7399200e09d4daca (diff)
Special-case try macro to better support 2015 edition
Diffstat (limited to 'crates/ra_parser/src')
-rw-r--r--crates/ra_parser/src/grammar/expressions/atom.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/crates/ra_parser/src/grammar/expressions/atom.rs b/crates/ra_parser/src/grammar/expressions/atom.rs
index 0d277a586..166dfc472 100644
--- a/crates/ra_parser/src/grammar/expressions/atom.rs
+++ b/crates/ra_parser/src/grammar/expressions/atom.rs
@@ -535,6 +535,22 @@ fn break_expr(p: &mut Parser, r: Restrictions) -> CompletedMarker {
535fn try_block_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker { 535fn try_block_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
536 assert!(p.at(T![try])); 536 assert!(p.at(T![try]));
537 let m = m.unwrap_or_else(|| p.start()); 537 let m = m.unwrap_or_else(|| p.start());
538 // Special-case `try!` as macro.
539 // This is a hack until we do proper edition support
540 if p.nth_at(1, T![!]) {
541 // test try_macro_fallback
542 // fn foo() { try!(Ok(())); }
543 let path = p.start();
544 let path_segment = p.start();
545 let name_ref = p.start();
546 p.bump_remap(IDENT);
547 name_ref.complete(p, NAME_REF);
548 path_segment.complete(p, PATH_SEGMENT);
549 path.complete(p, PATH);
550 let _block_like = items::macro_call_after_excl(p);
551 return m.complete(p, MACRO_CALL);
552 }
553
538 p.bump(T![try]); 554 p.bump(T![try]);
539 block(p); 555 block(p);
540 m.complete(p, TRY_EXPR) 556 m.complete(p, TRY_EXPR)