Cosmetic: Add macros for NaN, undefined and Infinity to native js code.

src/mirror-debugger.js

 // Copyright 2006-2012 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 99 matching lines @@
   return mirror_cache_[handle];
 }
 
 
 /**
  * Returns the mirror for the undefined value.
  *
  * @returns {Mirror} the mirror reflects the undefined value
  */
 function GetUndefinedMirror() {
-  return MakeMirror(void 0);
+  return MakeMirror(UNDEFINED);
 }
 
 
 /**
  * Inherit the prototype methods from one constructor into another.
  *
  * The Function.prototype.inherits from lang.js rewritten as a standalone
  * function (not on Function.prototype). NOTE: If this file is to be loaded
  * during bootstrapping this function needs to be revritten using some native
  * functions as prototype setup using normal JavaScript does not work as
@@ skipping 344 matching lines @@
   return this.value_;
 };
 
 
 /**
  * Mirror object for Undefined.
  * @constructor
  * @extends ValueMirror
  */
 function UndefinedMirror() {
-  %_CallFunction(this, UNDEFINED_TYPE, void 0, ValueMirror);
+  %_CallFunction(this, UNDEFINED_TYPE, UNDEFINED, ValueMirror);
 }
 inherits(UndefinedMirror, ValueMirror);
 
 
 UndefinedMirror.prototype.toText = function() {
   return 'undefined';
 };
 
 
 /**
@@ skipping 454 matching lines @@
   if (this.resolved()) {
     return %GetFunctionScopeCount(this.value());
   } else {
     return 0;
   }
 };
 
 
 FunctionMirror.prototype.scope = function(index) {
   if (this.resolved()) {
-    return new ScopeMirror(void 0, this, index);
+    return new ScopeMirror(UNDEFINED, this, index);
   }
 };
 
 
 FunctionMirror.prototype.toText = function() {
   return this.source();
 };
 
 
 /**
@@ skipping 692 matching lines @@
   }
 };
 
 
 FrameMirror.prototype.scopeCount = function() {
   return this.details_.scopeCount();
 };
 
 
 FrameMirror.prototype.scope = function(index) {
-  return new ScopeMirror(this, void 0, index);
+  return new ScopeMirror(this, UNDEFINED, index);
 };
 
 
 FrameMirror.prototype.stepInPositions = function() {
   var script = this.func().script();
   var funcOffset = this.func().sourcePosition_();
 
   var stepInRaw = this.details_.stepInPositionsImpl();
   var result = [];
   if (stepInRaw) {
@@ skipping 960 matching lines @@
   }
   if (!NUMBER_IS_FINITE(value)) {
     if (value > 0) {
       return 'Infinity';
     } else {
       return '-Infinity';
     }
   }
   return value;
 }