Version 3.6.5

src/factory.cc

 // Copyright 2011 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 216 matching lines @@
                                            int begin,
                                            int end) {
   ASSERT(begin > 0 || end < str->length());
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->AllocateSubString(*str, begin, end),
                      String);
 }
 
 
 Handle<String> Factory::NewExternalStringFromAscii(
-    ExternalAsciiString::Resource* resource) {
+    const ExternalAsciiString::Resource* resource) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateExternalStringFromAscii(resource),
       String);
 }
 
 
 Handle<String> Factory::NewExternalStringFromTwoByte(
-    ExternalTwoByteString::Resource* resource) {
+    const ExternalTwoByteString::Resource* resource) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateExternalStringFromTwoByte(resource),
       String);
 }
 
 
 Handle<Context> Factory::NewGlobalContext() {
   CALL_HEAP_FUNCTION(
       isolate(),
@@ skipping 140 matching lines @@
 
 Handle<JSGlobalPropertyCell> Factory::NewJSGlobalPropertyCell(
     Handle<Object> value) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSGlobalPropertyCell(*value),
       JSGlobalPropertyCell);
 }
 
 
-Handle<Map> Factory::NewMap(InstanceType type, int instance_size) {
+Handle<Map> Factory::NewMap(InstanceType type,
+                            int instance_size,
+                            ElementsKind elements_kind) {
   CALL_HEAP_FUNCTION(
       isolate(),
-      isolate()->heap()->AllocateMap(type, instance_size),
+      isolate()->heap()->AllocateMap(type, instance_size, elements_kind),
       Map);
 }
 
 
 Handle<JSObject> Factory::NewFunctionPrototype(Handle<JSFunction> function) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateFunctionPrototype(*function),
       JSObject);
 }
@@ skipping 27 matching lines @@
   copy->set_visitor_id(StaticVisitorBase::GetVisitorId(*copy));
   return copy;
 }
 
 
 Handle<Map> Factory::CopyMapDropTransitions(Handle<Map> src) {
   CALL_HEAP_FUNCTION(isolate(), src->CopyDropTransitions(), Map);
 }
 
 
-Handle<Map> Factory::GetFastElementsMap(Handle<Map> src) {
-  CALL_HEAP_FUNCTION(isolate(), src->GetFastElementsMap(), Map);
-}
-
-
-Handle<Map> Factory::GetSlowElementsMap(Handle<Map> src) {
-  CALL_HEAP_FUNCTION(isolate(), src->GetSlowElementsMap(), Map);
-}
-
-
 Handle<Map> Factory::GetElementsTransitionMap(
-    Handle<Map> src,
-    ElementsKind elements_kind,
-    bool safe_to_add_transition) {
+    Handle<JSObject> src,
+    ElementsKind elements_kind) {
   CALL_HEAP_FUNCTION(isolate(),
-                     src->GetElementsTransitionMap(elements_kind,
-                                                   safe_to_add_transition),
+                     src->GetElementsTransitionMap(elements_kind),
                      Map);
 }
 
 
 Handle<FixedArray> Factory::CopyFixedArray(Handle<FixedArray> array) {
   CALL_HEAP_FUNCTION(isolate(), array->Copy(), FixedArray);
 }
 
 
 Handle<JSFunction> Factory::BaseNewFunctionFromSharedFunctionInfo(
@@ skipping 230 matching lines @@
   Handle<JSFunction> function = NewFunction(name, prototype);
 
   // Setup the code pointer in both the shared function info and in
   // the function itself.
   function->shared()->set_code(*code);
   function->set_code(*code);
 
   if (force_initial_map ||
       type != JS_OBJECT_TYPE ||
       instance_size != JSObject::kHeaderSize) {
-    Handle<Map> initial_map = NewMap(type, instance_size);
+    ElementsKind default_elements_kind = FLAG_smi_only_arrays
+        ? FAST_SMI_ONLY_ELEMENTS
+        : FAST_ELEMENTS;
+    Handle<Map> initial_map = NewMap(type,
+                                     instance_size,
+                                     default_elements_kind);
     function->set_initial_map(*initial_map);
     initial_map->set_constructor(*function);
   }
 
   // Set function.prototype and give the prototype a constructor
   // property that refers to the function.
   SetPrototypeProperty(function, prototype);
   // Currently safe because it is only invoked from Genesis.
   SetLocalPropertyNoThrow(prototype, constructor_symbol(), function, DONT_ENUM);
   return function;
@@ skipping 165 matching lines @@
                      Handle<JSArray>::cast(obj)->Initialize(capacity),
                      JSArray);
 }
 
 
 Handle<JSArray> Factory::NewJSArrayWithElements(Handle<FixedArray> elements,
                                                 PretenureFlag pretenure) {
   Handle<JSArray> result =
       Handle<JSArray>::cast(NewJSObject(isolate()->array_function(),
                                         pretenure));
-  result->SetContent(*elements);
+  SetContent(result, elements);
   return result;
 }
 
 
+void Factory::SetContent(Handle<JSArray> array,
+                         Handle<FixedArray> elements) {
+  CALL_HEAP_FUNCTION_VOID(
+      isolate(),
+      array->SetContent(*elements));
+}
+
+
+void Factory::EnsureCanContainNonSmiElements(Handle<JSArray> array) {
+  CALL_HEAP_FUNCTION_VOID(
+      isolate(),
+      array->EnsureCanContainNonSmiElements());
+}
+
+
 Handle<JSProxy> Factory::NewJSProxy(Handle<Object> handler,
                                     Handle<Object> prototype) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSProxy(*handler, *prototype),
       JSProxy);
 }
 
 
 void Factory::BecomeJSObject(Handle<JSReceiver> object) {
   CALL_HEAP_FUNCTION_VOID(
       isolate(),
       isolate()->heap()->ReinitializeJSReceiver(
           *object, JS_OBJECT_TYPE, JSObject::kHeaderSize));
 }
 
 
 void Factory::BecomeJSFunction(Handle<JSReceiver> object) {
   CALL_HEAP_FUNCTION_VOID(
       isolate(),
       isolate()->heap()->ReinitializeJSReceiver(
           *object, JS_FUNCTION_TYPE, JSFunction::kSize));
 }
 
 
+void Factory::SetIdentityHash(Handle<JSObject> object, Object* hash) {
+  CALL_HEAP_FUNCTION_VOID(
+      isolate(),
+      object->SetIdentityHash(hash, ALLOW_CREATION));
+}
+
+
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
     Handle<String> name,
     int number_of_literals,
     Handle<Code> code,
     Handle<SerializedScopeInfo> scope_info) {
   Handle<SharedFunctionInfo> shared = NewSharedFunctionInfo(name);
   shared->set_code(*code);
   shared->set_scope_info(*scope_info);
   int literals_array_size = number_of_literals;
   // If the function contains object, regexp or array literals,
@@ skipping 32 matching lines @@
                      SharedFunctionInfo);
 }
 
 
 Handle<String> Factory::NumberToString(Handle<Object> number) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->NumberToString(*number), String);
 }
 
 
+Handle<String> Factory::Uint32ToString(uint32_t value) {
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->Uint32ToString(value), String);
+}
+
+
 Handle<NumberDictionary> Factory::DictionaryAtNumberPut(
     Handle<NumberDictionary> dictionary,
     uint32_t key,
     Handle<Object> value) {
   CALL_HEAP_FUNCTION(isolate(),
                      dictionary->AtNumberPut(key, *value),
                      NumberDictionary);
 }
 
 
@@ skipping 289 matching lines @@
   if (!instance_template->IsUndefined()) {
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
+Handle<Object> Factory::GlobalConstantFor(Handle<String> name) {
+  Heap* h = isolate()->heap();
+  if (name->Equals(h->undefined_symbol())) return undefined_value();
+  if (name->Equals(h->nan_symbol())) return nan_value();
+  if (name->Equals(h->infinity_symbol())) return infinity_value();
+  return Handle<Object>::null();
+}
+
+
 } }  // namespace v8::internal