parse.y: use opt_paren_args to simplify yield rule

27ceb848 · Yukihiro "Matz" Matsumoto · 36fc1f14 · 27ceb848
Commit 27ceb848 authored Nov 27, 2016 by Yukihiro "Matz" Matsumoto
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Showing with 2 additions and 10 deletions

mrbgems/mruby-compiler/core/parse.y mrbgems/mruby-compiler/core/parse.y +2 -10

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--- 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
                    {