Make the ResolvePossiblyDirectEval faster by avoiding the...

test/mjsunit/eval.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 40 matching lines @@
 eval = global_eval;
 
 //Test eval with different number of parameters.
 global_eval = eval;
 eval = function(x, y) { return x + y; };
 assertEquals(4, eval(2, 2));
 eval = global_eval;
 
 // Test that un-aliased eval reads from local context.
 foo = 0;
-result = 
+result =
   (function() {
     var foo = 2;
     return eval('foo');
   })();
 assertEquals(2, result);
 
-//Test that un-aliased eval writes to local context.
+// Test that un-aliased eval writes to local context.
 foo = 0;
-result = 
+result =
   (function() {
     var foo = 1;
     eval('foo = 2');
     return foo;
   })();
 assertEquals(2, result);
 assertEquals(0, foo);
 
 // Test that un-aliased eval has right receiver.
 function MyObject() { this.self = eval('this'); }
 var o = new MyObject();
 assertTrue(o === o.self);
 
 // Test that aliased eval reads from global context.
 var e = eval;
 foo = 0;
-result = 
+result =
   (function() {
     var foo = 2;
     return e('foo');
   })();
 assertEquals(0, result);
 
 // Test that aliased eval writes to global context.
 var e = eval;
 foo = 0;
 (function() { e('var foo = 2;'); })();
 assertEquals(2, foo);
 
 // Test that aliased eval has right receiver.
 function MyOtherObject() { this.self = e('this'); }
 var o = new MyOtherObject();
 assertTrue(this === o.self);
 
 // Try to cheat the 'aliased eval' detection.
 var x = this;
 foo = 0;
-result = 
+result =
   (function() {
     var foo = 2;
     return x.eval('foo');
   })();
 assertEquals(0, result);
 
 foo = 0;
-result = 
+result =
   (function() {
     var eval = function(x) { return x; };
     var foo = eval(2);
     return e('foo');
   })();
 assertEquals(0, result);
 
 result =
   (function() {
     var eval = function(x) { return 2 * x; };
     return (function() { return eval(2); })();
   })();
 assertEquals(4, result);
 
+result =
+  (function() {
+    eval("var eval = function(s) { return this; }");
+    return eval("42");  // Should return the global object
+  })();
+assertEquals(this, result);
+
+result =
+  (function() {
+    var obj = { f: function(eval) { return eval("this"); } };
+    return obj.f(eval);
+  })();
+assertEquals(this, result);
+
+result =
+  (function() {
+    var obj = { f: function(eval) { arguments; return eval("this"); } };
+    return obj.f(eval);
+  })();
+assertEquals(this, result);
+
 eval = function(x) { return 2 * x; };
-result = 
+result =
   (function() {
     return (function() { return eval(2); })();
   })();
 assertEquals(4, result);