Change a few sites where the Handle<T>(NULL) constructor is used so

that they use the static Handle<T>::null() member function instead.

Review URL: http://codereview.chromium.org/155135

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2371 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/bootstrapper.cc

@@ -1556,7 +1556,7 @@ Genesis::Genesis(Handle<Object> global_object,
   // will always do unlinking.
   previous_ = current_;
   current_  = this;
-  result_ = NULL;
+  result_ = Handle<Context>::null();
 
   // If V8 isn't running and cannot be initialized, just return.
   if (!V8::IsRunning() && !V8::Initialize(NULL)) return;

src/handles.cc

@@ -372,10 +372,10 @@ static void ClearWrapperCache(Persistent<v8::Value> handle, void*) {
 
 
 Handle<JSValue> GetScriptWrapper(Handle<Script> script) {
-  Handle<Object> cache(reinterpret_cast<Object**>(script->wrapper()->proxy()));
-  if (!cache.is_null()) {
+  if (script->wrapper()->proxy() != NULL) {
     // Return the script wrapper directly from the cache.
-    return Handle<JSValue>(JSValue::cast(*cache));
+    return Handle<JSValue>(
+        reinterpret_cast<JSValue**>(script->wrapper()->proxy()));
   }
 
   // Construct a new script wrapper.

src/handles.h

@@ -42,7 +42,7 @@ namespace internal {
 template<class T>
 class Handle {
  public:
-  INLINE(Handle(T** location))  { location_ = location; }
+  INLINE(Handle(T** location)) { location_ = location; }
   INLINE(explicit Handle(T* obj));
 
   INLINE(Handle()) : location_(NULL) {}
@@ -59,7 +59,7 @@ class Handle {
     location_ = reinterpret_cast<T**>(handle.location());
   }
 
-  INLINE(T* operator ->() const)  { return operator*(); }
+  INLINE(T* operator ->() const) { return operator*(); }
 
   // Check if this handle refers to the exact same object as the other handle.
   bool is_identical_to(const Handle<T> other) const {

src/ia32/assembler-ia32.cc

@@ -114,8 +114,10 @@ void CpuFeatures::Probe() {
 
   CodeDesc desc;
   assm.GetCode(&desc);
-  Object* code =
-      Heap::CreateCode(desc, NULL, Code::ComputeFlags(Code::STUB), NULL);
+  Object* code = Heap::CreateCode(desc,
+                                  NULL,
+                                  Code::ComputeFlags(Code::STUB),
+                                  Handle<Code>::null());
   if (!code->IsCode()) return;
   LOG(CodeCreateEvent(Logger::BUILTIN_TAG,
                       Code::cast(code), "CpuFeatures::Probe"));

src/parser.cc

@@ -2045,7 +2045,7 @@ Statement* Parser::ParseContinueStatement(bool* ok) {
   //   'continue' Identifier? ';'
 
   Expect(Token::CONTINUE, CHECK_OK);
-  Handle<String> label(static_cast<String**>(NULL));
+  Handle<String> label = Handle<String>::null();
   Token::Value tok = peek();
   if (!scanner_.has_line_terminator_before_next() &&
       tok != Token::SEMICOLON && tok != Token::RBRACE && tok != Token::EOS) {