fix stuck parser

2018-09-08 10:13:32 +03:00
parent 44334f6f56
commit bd3a26493f
7 changed files with 719 additions and 2 deletions
--- a/crates/libsyntax2/src/grammar/expressions/mod.rs
+++ b/crates/libsyntax2/src/grammar/expressions/mod.rs
@@ -376,6 +376,10 @@ fn arg_list(p: &mut Parser) {
    let m = p.start();
    p.bump();
    while !p.at(R_PAREN) && !p.at(EOF) {
+        if !EXPR_FIRST.contains(p.current()) {
+            p.error("expected expression");
+            break;
+        }
        expr(p);
        if !p.at(R_PAREN) && !p.expect(COMMA) {
            break;