more optimizations for some break/continue cases

2012-10-18 15:14:57 +03:00
parent 6aa56f92fe
commit afb7faa6fa
5 changed files with 216 additions and 9 deletions
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -929,10 +929,10 @@ TreeWalker.prototype = {
        } else {
            for (var i = stack.length; --i >= 0;) {
                var x = stack[i];
-                if (x instanceof AST_Switch) return x;
-                if (x instanceof AST_For || x instanceof AST_ForIn || x instanceof AST_DWLoop) {
-                    return (x.body instanceof AST_BlockStatement ? x.body : x);
-                }
+                if (x instanceof AST_Switch
+                    || x instanceof AST_For
+                    || x instanceof AST_ForIn
+                    || x instanceof AST_DWLoop) return x;
            }
        }
    }