parse.y: use opt_paren_args to simplify yield rule

mruby · Nov 27, 2016 · 27ceb84 · 27ceb84
1 parent 36fc1f1
commit 27ceb84
Showing 1 changed file with 2 additions and 10 deletions.
diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y
@@ -2137,17 +2137,9 @@ primary         : literal
                     {
                       $$ = new_return(p, 0);
                     }
-                | keyword_yield '(' call_args rparen
+                | keyword_yield opt_paren_args
                     {
-                      $$ = new_yield(p, $3);
-                    }
-                | keyword_yield '(' rparen
-                    {
-                      $$ = new_yield(p, 0);
-                    }
-                | keyword_yield
-                    {
-                      $$ = new_yield(p, 0);
+                      $$ = new_yield(p, $2);
                     }
                 | keyword_not '(' expr rparen
                     {