Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 13 matching lines @@
 
 Bootstrapper::Bootstrapper(Isolate* isolate)
     : isolate_(isolate),
       nesting_(0),
       extensions_cache_(Script::TYPE_EXTENSION) {}
 
 template <class Source>
 Handle<String> Bootstrapper::SourceLookup(int index) {
   DCHECK(0 <= index && index < Source::GetBuiltinsCount());
   Heap* heap = isolate_->heap();
-  if (Source::GetSourceCache(heap)->get(index)->IsUndefined()) {
+  if (Source::GetSourceCache(heap)->get(index)->IsUndefined(isolate_)) {
     // We can use external strings for the natives.
     Vector<const char> source = Source::GetScriptSource(index);
     NativesExternalStringResource* resource =
         new NativesExternalStringResource(source.start(), source.length());
     Handle<ExternalOneByteString> source_code =
         isolate_->factory()->NewNativeSourceString(resource);
     // Mark this external string with a special map.
     DCHECK(source_code->is_short());
     Source::GetSourceCache(heap)->set(index, *source_code);
   }
@@ skipping 57 matching lines @@
   delete trigger_failure_extension_;
   trigger_failure_extension_ = NULL;
   delete ignition_statistics_extension_;
   ignition_statistics_extension_ = NULL;
 }
 
 
 void DeleteNativeSources(Object* maybe_array) {
   if (maybe_array->IsFixedArray()) {
     FixedArray* array = FixedArray::cast(maybe_array);
+    Isolate* isolate = array->GetIsolate();
     for (int i = 0; i < array->length(); i++) {
       Object* natives_source = array->get(i);
-      if (!natives_source->IsUndefined()) {
+      if (!natives_source->IsUndefined(isolate)) {
         const NativesExternalStringResource* resource =
             reinterpret_cast<const NativesExternalStringResource*>(
                 ExternalOneByteString::cast(natives_source)->resource());
         delete resource;
       }
     }
   }
 }
 
 
@@ skipping 752 matching lines @@
   accessors->set_setter(*thrower);
 
   Handle<Map> map(empty->map());
   ReplaceAccessors(map, factory()->arguments_string(), rw_attribs, accessors);
   ReplaceAccessors(map, factory()->caller_string(), rw_attribs, accessors);
 }
 
 
 static void AddToWeakNativeContextList(Context* context) {
   DCHECK(context->IsNativeContext());
-  Heap* heap = context->GetIsolate()->heap();
+  Isolate* isolate = context->GetIsolate();
+  Heap* heap = isolate->heap();
 #ifdef DEBUG
   { // NOLINT
-    DCHECK(context->next_context_link()->IsUndefined());
+    DCHECK(context->next_context_link()->IsUndefined(isolate));
     // Check that context is not in the list yet.
     for (Object* current = heap->native_contexts_list();
-         !current->IsUndefined();
+         !current->IsUndefined(isolate);
          current = Context::cast(current)->next_context_link()) {
       DCHECK(current != context);
     }
   }
 #endif
   context->set(Context::NEXT_CONTEXT_LINK, heap->native_contexts_list(),
                UPDATE_WEAK_WRITE_BARRIER);
   heap->set_native_contexts_list(context);
 }
 
@@ skipping 54 matching lines @@
   Handle<ObjectTemplateInfo> js_global_object_template;
   if (!global_proxy_template.IsEmpty()) {
     // Get prototype template of the global_proxy_template.
     Handle<ObjectTemplateInfo> data =
         v8::Utils::OpenHandle(*global_proxy_template);
     Handle<FunctionTemplateInfo> global_constructor =
         Handle<FunctionTemplateInfo>(
             FunctionTemplateInfo::cast(data->constructor()));
     Handle<Object> proto_template(global_constructor->prototype_template(),
                                   isolate());
-    if (!proto_template->IsUndefined()) {
+    if (!proto_template->IsUndefined(isolate())) {
       js_global_object_template =
           Handle<ObjectTemplateInfo>::cast(proto_template);
     }
   }
 
   if (js_global_object_template.is_null()) {
     Handle<String> name = Handle<String>(heap()->empty_string());
     Handle<Code> code = isolate()->builtins()->Illegal();
     Handle<JSObject> prototype =
         factory()->NewFunctionPrototype(isolate()->object_function());
@@ skipping 49 matching lines @@
 
 
 void Genesis::HookUpGlobalProxy(Handle<JSGlobalObject> global_object,
                                 Handle<JSGlobalProxy> global_proxy) {
   // Set the native context for the global object.
   global_object->set_native_context(*native_context());
   global_object->set_global_proxy(*global_proxy);
   global_proxy->set_native_context(*native_context());
   // If we deserialized the context, the global proxy is already
   // correctly set up. Otherwise it's undefined.
-  DCHECK(native_context()->get(Context::GLOBAL_PROXY_INDEX)->IsUndefined() ||
+  DCHECK(native_context()
+             ->get(Context::GLOBAL_PROXY_INDEX)
+             ->IsUndefined(isolate()) ||
          native_context()->global_proxy() == *global_proxy);
   native_context()->set_global_proxy(*global_proxy);
 }
 
 
 void Genesis::HookUpGlobalObject(Handle<JSGlobalObject> global_object) {
   Handle<JSGlobalObject> global_object_from_snapshot(
       JSGlobalObject::cast(native_context()->extension()));
   native_context()->set_extension(*global_object);
   native_context()->set_security_token(*global_object);
@@ skipping 2411 matching lines @@
 
   if (!global_proxy_template.IsEmpty()) {
     // Configure the global proxy object.
     Handle<ObjectTemplateInfo> global_proxy_data =
         v8::Utils::OpenHandle(*global_proxy_template);
     if (!ConfigureApiObject(global_proxy, global_proxy_data)) return false;
 
     // Configure the global object.
     Handle<FunctionTemplateInfo> proxy_constructor(
         FunctionTemplateInfo::cast(global_proxy_data->constructor()));
-    if (!proxy_constructor->prototype_template()->IsUndefined()) {
+    if (!proxy_constructor->prototype_template()->IsUndefined(isolate())) {
       Handle<ObjectTemplateInfo> global_object_data(
           ObjectTemplateInfo::cast(proxy_constructor->prototype_template()));
       if (!ConfigureApiObject(global_object, global_object_data)) return false;
     }
   }
 
   SetObjectPrototype(global_proxy, global_object);
 
   native_context()->set_initial_array_prototype(
       JSArray::cast(native_context()->array_function()->prototype()));
@@ skipping 86 matching lines @@
         DCHECK(raw_key->IsName());
         // If the property is already there we skip it.
         Handle<Name> key(Name::cast(raw_key));
         LookupIterator it(to, key, LookupIterator::OWN_SKIP_INTERCEPTOR);
         CHECK_NE(LookupIterator::ACCESS_CHECK, it.state());
         if (it.IsFound()) continue;
         // Set the property.
         DCHECK(properties->ValueAt(i)->IsPropertyCell());
         Handle<PropertyCell> cell(PropertyCell::cast(properties->ValueAt(i)));
         Handle<Object> value(cell->value(), isolate());
-        if (value->IsTheHole()) continue;
+        if (value->IsTheHole(isolate())) continue;
         PropertyDetails details = cell->property_details();
         DCHECK_EQ(kData, details.kind());
         JSObject::AddProperty(to, key, value, details.attributes());
       }
     }
   } else {
     Handle<NameDictionary> properties =
         Handle<NameDictionary>(from->property_dictionary());
     int capacity = properties->Capacity();
     for (int i = 0; i < capacity; i++) {
       Object* raw_key(properties->KeyAt(i));
       if (properties->IsKey(raw_key)) {
         DCHECK(raw_key->IsName());
         // If the property is already there we skip it.
         Handle<Name> key(Name::cast(raw_key));
         LookupIterator it(to, key, LookupIterator::OWN_SKIP_INTERCEPTOR);
         CHECK_NE(LookupIterator::ACCESS_CHECK, it.state());
         if (it.IsFound()) continue;
         // Set the property.
         Handle<Object> value = Handle<Object>(properties->ValueAt(i),
                                               isolate());
         DCHECK(!value->IsCell());
-        DCHECK(!value->IsTheHole());
+        DCHECK(!value->IsTheHole(isolate()));
         PropertyDetails details = properties->DetailsAt(i);
         DCHECK_EQ(kData, details.kind());
         JSObject::AddProperty(to, key, value, details.attributes());
       }
     }
   }
 }
 
 
 void Genesis::TransferIndexedProperties(Handle<JSObject> from,
@@ skipping 199 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8