Simplify debug evaluate.

test/mjsunit/debug-evaluate-locals.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 18 matching lines @@
 // Get the Debug object exposed from the debug context global object.
 Debug = debug.Debug
 
 listenerComplete = false;
 exception = false;
 
 
 function h() {
   var a = 1;
   var b = 2;
+  var eval = 5;  // Overriding eval should not break anything.
   debugger;  // Breakpoint.
 }
 
 function checkFrame0(frame) {
   // Frame 0 (h) has normal variables a and b.
   var count = frame.localCount();
-  assertEquals(2, count);
+  assertEquals(3, count);
   for (var i = 0; i < count; ++i) {
     var name = frame.localName(i);
     var value = frame.localValue(i).value();
     if (name == 'a') {
       assertEquals(1, value);
-    } else {
+    } else if (name !='eval') {
       assertEquals('b', name);
       assertEquals(2, value);
     }
   }
 }
 
 
 function g() {
   var a = 3;
   eval("var b = 4;");
@@ skipping 46 matching lines @@
   try {
     if (event == Debug.DebugEvent.Break)
     {
       checkFrame0(exec_state.frame(0));
       checkFrame1(exec_state.frame(1));
       checkFrame2(exec_state.frame(2));
 
       // Evaluating a and b on frames 0, 1 and 2 produces 1, 2, 3, 4, 5 and 6.
       assertEquals(1, exec_state.frame(0).evaluate('a').value());
       assertEquals(2, exec_state.frame(0).evaluate('b').value());
+      assertEquals(5, exec_state.frame(0).evaluate('eval').value());
       assertEquals(3, exec_state.frame(1).evaluate('a').value());
       assertEquals(4, exec_state.frame(1).evaluate('b').value());
+      assertEquals("function",
+                   typeof exec_state.frame(1).evaluate('eval').value());
       assertEquals(5, exec_state.frame(2).evaluate('a').value());
       assertEquals(6, exec_state.frame(2).evaluate('b').value());
-
+      assertEquals("function",
+                   typeof exec_state.frame(2).evaluate('eval').value());
       // Indicate that all was processed.
       listenerComplete = true;
     }
   } catch (e) {
     exception = e
+    print("Caught something. " + e + " " + e.stack);
   };
 };
 
 // Add the debug event listener.
 Debug.setListener(listener);
 
 f();
 
-// Make sure that the debug event listener vas invoked.
+// Make sure that the debug event listener was invoked.
+assertFalse(exception, "exception in listener")
 assertTrue(listenerComplete);
-assertFalse(exception, "exception in listener")