Move V8 to external/v8
Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/src/api.cc b/src/api.cc
new file mode 100644
index 0000000..fd3d921
--- /dev/null
+++ b/src/api.cc
@@ -0,0 +1,3775 @@
+// Copyright 2009 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
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "v8.h"
+
+#include "api.h"
+#include "arguments.h"
+#include "bootstrapper.h"
+#include "compiler.h"
+#include "debug.h"
+#include "execution.h"
+#include "global-handles.h"
+#include "platform.h"
+#include "serialize.h"
+#include "snapshot.h"
+#include "v8threads.h"
+#include "version.h"
+
+
+#define LOG_API(expr) LOG(ApiEntryCall(expr))
+
+#ifdef ENABLE_HEAP_PROTECTION
+#define ENTER_V8 i::VMState __state__(i::OTHER)
+#define LEAVE_V8 i::VMState __state__(i::EXTERNAL)
+#else
+#define ENTER_V8 ((void) 0)
+#define LEAVE_V8 ((void) 0)
+#endif
+
+namespace v8 {
+
+
+#define ON_BAILOUT(location, code) \
+ if (IsDeadCheck(location)) { \
+ code; \
+ UNREACHABLE(); \
+ }
+
+
+#define EXCEPTION_PREAMBLE() \
+ thread_local.IncrementCallDepth(); \
+ ASSERT(!i::Top::external_caught_exception()); \
+ bool has_pending_exception = false
+
+
+#define EXCEPTION_BAILOUT_CHECK(value) \
+ do { \
+ thread_local.DecrementCallDepth(); \
+ if (has_pending_exception) { \
+ if (thread_local.CallDepthIsZero() && i::Top::is_out_of_memory()) { \
+ if (!thread_local.ignore_out_of_memory()) \
+ i::V8::FatalProcessOutOfMemory(NULL); \
+ } \
+ bool call_depth_is_zero = thread_local.CallDepthIsZero(); \
+ i::Top::OptionalRescheduleException(call_depth_is_zero); \
+ return value; \
+ } \
+ } while (false)
+
+
+#define API_ENTRY_CHECK(msg) \
+ do { \
+ if (v8::Locker::IsActive()) { \
+ ApiCheck(i::ThreadManager::IsLockedByCurrentThread(), \
+ msg, \
+ "Entering the V8 API without proper locking in place"); \
+ } \
+ } while (false)
+
+// --- D a t a t h a t i s s p e c i f i c t o a t h r e a d ---
+
+
+static i::HandleScopeImplementer thread_local;
+
+
+// --- E x c e p t i o n B e h a v i o r ---
+
+
+static FatalErrorCallback exception_behavior = NULL;
+int i::Internals::kJSObjectType = JS_OBJECT_TYPE;
+int i::Internals::kFirstNonstringType = FIRST_NONSTRING_TYPE;
+int i::Internals::kProxyType = PROXY_TYPE;
+
+static void DefaultFatalErrorHandler(const char* location,
+ const char* message) {
+ ENTER_V8;
+ API_Fatal(location, message);
+}
+
+
+
+static FatalErrorCallback& GetFatalErrorHandler() {
+ if (exception_behavior == NULL) {
+ exception_behavior = DefaultFatalErrorHandler;
+ }
+ return exception_behavior;
+}
+
+
+
+// When V8 cannot allocated memory FatalProcessOutOfMemory is called.
+// The default fatal error handler is called and execution is stopped.
+void i::V8::FatalProcessOutOfMemory(const char* location) {
+ i::V8::SetFatalError();
+ FatalErrorCallback callback = GetFatalErrorHandler();
+ {
+ LEAVE_V8;
+ callback(location, "Allocation failed - process out of memory");
+ }
+ // If the callback returns, we stop execution.
+ UNREACHABLE();
+}
+
+
+void V8::SetFatalErrorHandler(FatalErrorCallback that) {
+ exception_behavior = that;
+}
+
+
+bool Utils::ReportApiFailure(const char* location, const char* message) {
+ FatalErrorCallback callback = GetFatalErrorHandler();
+ callback(location, message);
+ i::V8::SetFatalError();
+ return false;
+}
+
+
+bool V8::IsDead() {
+ return i::V8::IsDead();
+}
+
+
+static inline bool ApiCheck(bool condition,
+ const char* location,
+ const char* message) {
+ return condition ? true : Utils::ReportApiFailure(location, message);
+}
+
+
+static bool ReportV8Dead(const char* location) {
+ FatalErrorCallback callback = GetFatalErrorHandler();
+ callback(location, "V8 is no longer usable");
+ return true;
+}
+
+
+static bool ReportEmptyHandle(const char* location) {
+ FatalErrorCallback callback = GetFatalErrorHandler();
+ callback(location, "Reading from empty handle");
+ return true;
+}
+
+
+/**
+ * IsDeadCheck checks that the vm is usable. If, for instance, the vm has been
+ * out of memory at some point this check will fail. It should be called on
+ * entry to all methods that touch anything in the heap, except destructors
+ * which you sometimes can't avoid calling after the vm has crashed. Functions
+ * that call EnsureInitialized or ON_BAILOUT don't have to also call
+ * IsDeadCheck. ON_BAILOUT has the advantage over EnsureInitialized that you
+ * can arrange to return if the VM is dead. This is needed to ensure that no VM
+ * heap allocations are attempted on a dead VM. EnsureInitialized has the
+ * advantage over ON_BAILOUT that it actually initializes the VM if this has not
+ * yet been done.
+ */
+static inline bool IsDeadCheck(const char* location) {
+ return !i::V8::IsRunning()
+ && i::V8::IsDead() ? ReportV8Dead(location) : false;
+}
+
+
+static inline bool EmptyCheck(const char* location, v8::Handle<v8::Data> obj) {
+ return obj.IsEmpty() ? ReportEmptyHandle(location) : false;
+}
+
+
+static inline bool EmptyCheck(const char* location, const v8::Data* obj) {
+ return (obj == 0) ? ReportEmptyHandle(location) : false;
+}
+
+// --- S t a t i c s ---
+
+
+static i::StringInputBuffer write_input_buffer;
+
+
+static inline bool EnsureInitialized(const char* location) {
+ if (i::V8::IsRunning()) {
+ return true;
+ }
+ if (IsDeadCheck(location)) {
+ return false;
+ }
+ return ApiCheck(v8::V8::Initialize(), location, "Error initializing V8");
+}
+
+
+ImplementationUtilities::HandleScopeData*
+ ImplementationUtilities::CurrentHandleScope() {
+ return &i::HandleScope::current_;
+}
+
+
+#ifdef DEBUG
+void ImplementationUtilities::ZapHandleRange(i::Object** begin,
+ i::Object** end) {
+ i::HandleScope::ZapRange(begin, end);
+}
+#endif
+
+
+v8::Handle<v8::Primitive> ImplementationUtilities::Undefined() {
+ if (!EnsureInitialized("v8::Undefined()")) return v8::Handle<v8::Primitive>();
+ return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::undefined_value()));
+}
+
+
+v8::Handle<v8::Primitive> ImplementationUtilities::Null() {
+ if (!EnsureInitialized("v8::Null()")) return v8::Handle<v8::Primitive>();
+ return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::null_value()));
+}
+
+
+v8::Handle<v8::Boolean> ImplementationUtilities::True() {
+ if (!EnsureInitialized("v8::True()")) return v8::Handle<v8::Boolean>();
+ return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::true_value()));
+}
+
+
+v8::Handle<v8::Boolean> ImplementationUtilities::False() {
+ if (!EnsureInitialized("v8::False()")) return v8::Handle<v8::Boolean>();
+ return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::false_value()));
+}
+
+
+void V8::SetFlagsFromString(const char* str, int length) {
+ i::FlagList::SetFlagsFromString(str, length);
+}
+
+
+void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) {
+ i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags);
+}
+
+
+v8::Handle<Value> ThrowException(v8::Handle<v8::Value> value) {
+ if (IsDeadCheck("v8::ThrowException()")) return v8::Handle<Value>();
+ ENTER_V8;
+ // If we're passed an empty handle, we throw an undefined exception
+ // to deal more gracefully with out of memory situations.
+ if (value.IsEmpty()) {
+ i::Top::ScheduleThrow(i::Heap::undefined_value());
+ } else {
+ i::Top::ScheduleThrow(*Utils::OpenHandle(*value));
+ }
+ return v8::Undefined();
+}
+
+
+RegisteredExtension* RegisteredExtension::first_extension_ = NULL;
+
+
+RegisteredExtension::RegisteredExtension(Extension* extension)
+ : extension_(extension), state_(UNVISITED) { }
+
+
+void RegisteredExtension::Register(RegisteredExtension* that) {
+ that->next_ = RegisteredExtension::first_extension_;
+ RegisteredExtension::first_extension_ = that;
+}
+
+
+void RegisterExtension(Extension* that) {
+ RegisteredExtension* extension = new RegisteredExtension(that);
+ RegisteredExtension::Register(extension);
+}
+
+
+Extension::Extension(const char* name,
+ const char* source,
+ int dep_count,
+ const char** deps)
+ : name_(name),
+ source_(source),
+ dep_count_(dep_count),
+ deps_(deps),
+ auto_enable_(false) { }
+
+
+v8::Handle<Primitive> Undefined() {
+ LOG_API("Undefined");
+ return ImplementationUtilities::Undefined();
+}
+
+
+v8::Handle<Primitive> Null() {
+ LOG_API("Null");
+ return ImplementationUtilities::Null();
+}
+
+
+v8::Handle<Boolean> True() {
+ LOG_API("True");
+ return ImplementationUtilities::True();
+}
+
+
+v8::Handle<Boolean> False() {
+ LOG_API("False");
+ return ImplementationUtilities::False();
+}
+
+
+ResourceConstraints::ResourceConstraints()
+ : max_young_space_size_(0),
+ max_old_space_size_(0),
+ stack_limit_(NULL) { }
+
+
+bool SetResourceConstraints(ResourceConstraints* constraints) {
+ int semispace_size = constraints->max_young_space_size();
+ int old_gen_size = constraints->max_old_space_size();
+ if (semispace_size != 0 || old_gen_size != 0) {
+ bool result = i::Heap::ConfigureHeap(semispace_size, old_gen_size);
+ if (!result) return false;
+ }
+ if (constraints->stack_limit() != NULL) {
+ uintptr_t limit = reinterpret_cast<uintptr_t>(constraints->stack_limit());
+ i::StackGuard::SetStackLimit(limit);
+ }
+ return true;
+}
+
+
+i::Object** V8::GlobalizeReference(i::Object** obj) {
+ if (IsDeadCheck("V8::Persistent::New")) return NULL;
+ LOG_API("Persistent::New");
+ i::Handle<i::Object> result =
+ i::GlobalHandles::Create(*obj);
+ return result.location();
+}
+
+
+void V8::MakeWeak(i::Object** object, void* parameters,
+ WeakReferenceCallback callback) {
+ LOG_API("MakeWeak");
+ i::GlobalHandles::MakeWeak(object, parameters, callback);
+}
+
+
+void V8::ClearWeak(i::Object** obj) {
+ LOG_API("ClearWeak");
+ i::GlobalHandles::ClearWeakness(obj);
+}
+
+
+bool V8::IsGlobalNearDeath(i::Object** obj) {
+ LOG_API("IsGlobalNearDeath");
+ if (!i::V8::IsRunning()) return false;
+ return i::GlobalHandles::IsNearDeath(obj);
+}
+
+
+bool V8::IsGlobalWeak(i::Object** obj) {
+ LOG_API("IsGlobalWeak");
+ if (!i::V8::IsRunning()) return false;
+ return i::GlobalHandles::IsWeak(obj);
+}
+
+
+void V8::DisposeGlobal(i::Object** obj) {
+ LOG_API("DisposeGlobal");
+ if (!i::V8::IsRunning()) return;
+ if ((*obj)->IsGlobalContext()) i::Heap::NotifyContextDisposed();
+ i::GlobalHandles::Destroy(obj);
+}
+
+// --- H a n d l e s ---
+
+
+HandleScope::HandleScope() : is_closed_(false) {
+ API_ENTRY_CHECK("HandleScope::HandleScope");
+ i::HandleScope::Enter(&previous_);
+}
+
+
+HandleScope::~HandleScope() {
+ if (!is_closed_) {
+ i::HandleScope::Leave(&previous_);
+ }
+}
+
+
+int HandleScope::NumberOfHandles() {
+ return i::HandleScope::NumberOfHandles();
+}
+
+
+i::Object** v8::HandleScope::CreateHandle(i::Object* value) {
+ return i::HandleScope::CreateHandle(value);
+}
+
+
+void Context::Enter() {
+ if (IsDeadCheck("v8::Context::Enter()")) return;
+ ENTER_V8;
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ thread_local.EnterContext(env);
+
+ thread_local.SaveContext(i::Top::context());
+ i::Top::set_context(*env);
+}
+
+
+void Context::Exit() {
+ if (!i::V8::IsRunning()) return;
+ if (!ApiCheck(thread_local.LeaveLastContext(),
+ "v8::Context::Exit()",
+ "Cannot exit non-entered context")) {
+ return;
+ }
+
+ // Content of 'last_context' could be NULL.
+ i::Context* last_context = thread_local.RestoreContext();
+ i::Top::set_context(last_context);
+}
+
+
+void Context::SetData(v8::Handle<Value> data) {
+ if (IsDeadCheck("v8::Context::SetData()")) return;
+ ENTER_V8;
+ {
+ HandleScope scope;
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ i::Handle<i::Object> raw_data = Utils::OpenHandle(*data);
+ ASSERT(env->IsGlobalContext());
+ if (env->IsGlobalContext()) {
+ env->set_data(*raw_data);
+ }
+ }
+}
+
+
+v8::Local<v8::Value> Context::GetData() {
+ if (IsDeadCheck("v8::Context::GetData()")) return v8::Local<Value>();
+ ENTER_V8;
+ i::Object* raw_result = NULL;
+ {
+ HandleScope scope;
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ ASSERT(env->IsGlobalContext());
+ if (env->IsGlobalContext()) {
+ raw_result = env->data();
+ } else {
+ return Local<Value>();
+ }
+ }
+ i::Handle<i::Object> result(raw_result);
+ return Utils::ToLocal(result);
+}
+
+
+i::Object** v8::HandleScope::RawClose(i::Object** value) {
+ if (!ApiCheck(!is_closed_,
+ "v8::HandleScope::Close()",
+ "Local scope has already been closed")) {
+ return 0;
+ }
+ LOG_API("CloseHandleScope");
+
+ // Read the result before popping the handle block.
+ i::Object* result = *value;
+ is_closed_ = true;
+ i::HandleScope::Leave(&previous_);
+
+ // Allocate a new handle on the previous handle block.
+ i::Handle<i::Object> handle(result);
+ return handle.location();
+}
+
+
+// --- N e a n d e r ---
+
+
+// A constructor cannot easily return an error value, therefore it is necessary
+// to check for a dead VM with ON_BAILOUT before constructing any Neander
+// objects. To remind you about this there is no HandleScope in the
+// NeanderObject constructor. When you add one to the site calling the
+// constructor you should check that you ensured the VM was not dead first.
+NeanderObject::NeanderObject(int size) {
+ EnsureInitialized("v8::Nowhere");
+ ENTER_V8;
+ value_ = i::Factory::NewNeanderObject();
+ i::Handle<i::FixedArray> elements = i::Factory::NewFixedArray(size);
+ value_->set_elements(*elements);
+}
+
+
+int NeanderObject::size() {
+ return i::FixedArray::cast(value_->elements())->length();
+}
+
+
+NeanderArray::NeanderArray() : obj_(2) {
+ obj_.set(0, i::Smi::FromInt(0));
+}
+
+
+int NeanderArray::length() {
+ return i::Smi::cast(obj_.get(0))->value();
+}
+
+
+i::Object* NeanderArray::get(int offset) {
+ ASSERT(0 <= offset);
+ ASSERT(offset < length());
+ return obj_.get(offset + 1);
+}
+
+
+// This method cannot easily return an error value, therefore it is necessary
+// to check for a dead VM with ON_BAILOUT before calling it. To remind you
+// about this there is no HandleScope in this method. When you add one to the
+// site calling this method you should check that you ensured the VM was not
+// dead first.
+void NeanderArray::add(i::Handle<i::Object> value) {
+ int length = this->length();
+ int size = obj_.size();
+ if (length == size - 1) {
+ i::Handle<i::FixedArray> new_elms = i::Factory::NewFixedArray(2 * size);
+ for (int i = 0; i < length; i++)
+ new_elms->set(i + 1, get(i));
+ obj_.value()->set_elements(*new_elms);
+ }
+ obj_.set(length + 1, *value);
+ obj_.set(0, i::Smi::FromInt(length + 1));
+}
+
+
+void NeanderArray::set(int index, i::Object* value) {
+ if (index < 0 || index >= this->length()) return;
+ obj_.set(index + 1, value);
+}
+
+
+// --- T e m p l a t e ---
+
+
+static void InitializeTemplate(i::Handle<i::TemplateInfo> that, int type) {
+ that->set_tag(i::Smi::FromInt(type));
+}
+
+
+void Template::Set(v8::Handle<String> name, v8::Handle<Data> value,
+ v8::PropertyAttribute attribute) {
+ if (IsDeadCheck("v8::Template::SetProperty()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Object> list(Utils::OpenHandle(this)->property_list());
+ if (list->IsUndefined()) {
+ list = NeanderArray().value();
+ Utils::OpenHandle(this)->set_property_list(*list);
+ }
+ NeanderArray array(list);
+ array.add(Utils::OpenHandle(*name));
+ array.add(Utils::OpenHandle(*value));
+ array.add(Utils::OpenHandle(*v8::Integer::New(attribute)));
+}
+
+
+// --- F u n c t i o n T e m p l a t e ---
+static void InitializeFunctionTemplate(
+ i::Handle<i::FunctionTemplateInfo> info) {
+ info->set_tag(i::Smi::FromInt(Consts::FUNCTION_TEMPLATE));
+ info->set_flag(0);
+}
+
+
+Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() {
+ if (IsDeadCheck("v8::FunctionTemplate::PrototypeTemplate()")) {
+ return Local<ObjectTemplate>();
+ }
+ ENTER_V8;
+ i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template());
+ if (result->IsUndefined()) {
+ result = Utils::OpenHandle(*ObjectTemplate::New());
+ Utils::OpenHandle(this)->set_prototype_template(*result);
+ }
+ return Local<ObjectTemplate>(ToApi<ObjectTemplate>(result));
+}
+
+
+void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) {
+ if (IsDeadCheck("v8::FunctionTemplate::Inherit()")) return;
+ ENTER_V8;
+ Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value));
+}
+
+
+// To distinguish the function templates, so that we can find them in the
+// function cache of the global context.
+static int next_serial_number = 0;
+
+
+Local<FunctionTemplate> FunctionTemplate::New(InvocationCallback callback,
+ v8::Handle<Value> data, v8::Handle<Signature> signature) {
+ EnsureInitialized("v8::FunctionTemplate::New()");
+ LOG_API("FunctionTemplate::New");
+ ENTER_V8;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE);
+ i::Handle<i::FunctionTemplateInfo> obj =
+ i::Handle<i::FunctionTemplateInfo>::cast(struct_obj);
+ InitializeFunctionTemplate(obj);
+ obj->set_serial_number(i::Smi::FromInt(next_serial_number++));
+ if (callback != 0) {
+ if (data.IsEmpty()) data = v8::Undefined();
+ Utils::ToLocal(obj)->SetCallHandler(callback, data);
+ }
+ obj->set_undetectable(false);
+ obj->set_needs_access_check(false);
+
+ if (!signature.IsEmpty())
+ obj->set_signature(*Utils::OpenHandle(*signature));
+ return Utils::ToLocal(obj);
+}
+
+
+Local<Signature> Signature::New(Handle<FunctionTemplate> receiver,
+ int argc, Handle<FunctionTemplate> argv[]) {
+ EnsureInitialized("v8::Signature::New()");
+ LOG_API("Signature::New");
+ ENTER_V8;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::SIGNATURE_INFO_TYPE);
+ i::Handle<i::SignatureInfo> obj =
+ i::Handle<i::SignatureInfo>::cast(struct_obj);
+ if (!receiver.IsEmpty()) obj->set_receiver(*Utils::OpenHandle(*receiver));
+ if (argc > 0) {
+ i::Handle<i::FixedArray> args = i::Factory::NewFixedArray(argc);
+ for (int i = 0; i < argc; i++) {
+ if (!argv[i].IsEmpty())
+ args->set(i, *Utils::OpenHandle(*argv[i]));
+ }
+ obj->set_args(*args);
+ }
+ return Utils::ToLocal(obj);
+}
+
+
+Local<TypeSwitch> TypeSwitch::New(Handle<FunctionTemplate> type) {
+ Handle<FunctionTemplate> types[1] = { type };
+ return TypeSwitch::New(1, types);
+}
+
+
+Local<TypeSwitch> TypeSwitch::New(int argc, Handle<FunctionTemplate> types[]) {
+ EnsureInitialized("v8::TypeSwitch::New()");
+ LOG_API("TypeSwitch::New");
+ ENTER_V8;
+ i::Handle<i::FixedArray> vector = i::Factory::NewFixedArray(argc);
+ for (int i = 0; i < argc; i++)
+ vector->set(i, *Utils::OpenHandle(*types[i]));
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::TYPE_SWITCH_INFO_TYPE);
+ i::Handle<i::TypeSwitchInfo> obj =
+ i::Handle<i::TypeSwitchInfo>::cast(struct_obj);
+ obj->set_types(*vector);
+ return Utils::ToLocal(obj);
+}
+
+
+int TypeSwitch::match(v8::Handle<Value> value) {
+ LOG_API("TypeSwitch::match");
+ i::Handle<i::Object> obj = Utils::OpenHandle(*value);
+ i::Handle<i::TypeSwitchInfo> info = Utils::OpenHandle(this);
+ i::FixedArray* types = i::FixedArray::cast(info->types());
+ for (int i = 0; i < types->length(); i++) {
+ if (obj->IsInstanceOf(i::FunctionTemplateInfo::cast(types->get(i))))
+ return i + 1;
+ }
+ return 0;
+}
+
+
+void FunctionTemplate::SetCallHandler(InvocationCallback callback,
+ v8::Handle<Value> data) {
+ if (IsDeadCheck("v8::FunctionTemplate::SetCallHandler()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE);
+ i::Handle<i::CallHandlerInfo> obj =
+ i::Handle<i::CallHandlerInfo>::cast(struct_obj);
+ obj->set_callback(*FromCData(callback));
+ if (data.IsEmpty()) data = v8::Undefined();
+ obj->set_data(*Utils::OpenHandle(*data));
+ Utils::OpenHandle(this)->set_call_code(*obj);
+}
+
+
+void FunctionTemplate::AddInstancePropertyAccessor(
+ v8::Handle<String> name,
+ AccessorGetter getter,
+ AccessorSetter setter,
+ v8::Handle<Value> data,
+ v8::AccessControl settings,
+ v8::PropertyAttribute attributes) {
+ if (IsDeadCheck("v8::FunctionTemplate::AddInstancePropertyAccessor()")) {
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::AccessorInfo> obj = i::Factory::NewAccessorInfo();
+ ASSERT(getter != NULL);
+ obj->set_getter(*FromCData(getter));
+ obj->set_setter(*FromCData(setter));
+ if (data.IsEmpty()) data = v8::Undefined();
+ obj->set_data(*Utils::OpenHandle(*data));
+ obj->set_name(*Utils::OpenHandle(*name));
+ if (settings & ALL_CAN_READ) obj->set_all_can_read(true);
+ if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true);
+ if (settings & PROHIBITS_OVERWRITING) obj->set_prohibits_overwriting(true);
+ obj->set_property_attributes(static_cast<PropertyAttributes>(attributes));
+
+ i::Handle<i::Object> list(Utils::OpenHandle(this)->property_accessors());
+ if (list->IsUndefined()) {
+ list = NeanderArray().value();
+ Utils::OpenHandle(this)->set_property_accessors(*list);
+ }
+ NeanderArray array(list);
+ array.add(obj);
+}
+
+
+Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() {
+ if (IsDeadCheck("v8::FunctionTemplate::InstanceTemplate()")
+ || EmptyCheck("v8::FunctionTemplate::InstanceTemplate()", this))
+ return Local<ObjectTemplate>();
+ ENTER_V8;
+ if (Utils::OpenHandle(this)->instance_template()->IsUndefined()) {
+ Local<ObjectTemplate> templ =
+ ObjectTemplate::New(v8::Handle<FunctionTemplate>(this));
+ Utils::OpenHandle(this)->set_instance_template(*Utils::OpenHandle(*templ));
+ }
+ i::Handle<i::ObjectTemplateInfo> result(i::ObjectTemplateInfo::cast(
+ Utils::OpenHandle(this)->instance_template()));
+ return Utils::ToLocal(result);
+}
+
+
+void FunctionTemplate::SetClassName(Handle<String> name) {
+ if (IsDeadCheck("v8::FunctionTemplate::SetClassName()")) return;
+ ENTER_V8;
+ Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name));
+}
+
+
+void FunctionTemplate::SetHiddenPrototype(bool value) {
+ if (IsDeadCheck("v8::FunctionTemplate::SetHiddenPrototype()")) return;
+ ENTER_V8;
+ Utils::OpenHandle(this)->set_hidden_prototype(value);
+}
+
+
+void FunctionTemplate::SetNamedInstancePropertyHandler(
+ NamedPropertyGetter getter,
+ NamedPropertySetter setter,
+ NamedPropertyQuery query,
+ NamedPropertyDeleter remover,
+ NamedPropertyEnumerator enumerator,
+ Handle<Value> data) {
+ if (IsDeadCheck("v8::FunctionTemplate::SetNamedInstancePropertyHandler()")) {
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::INTERCEPTOR_INFO_TYPE);
+ i::Handle<i::InterceptorInfo> obj =
+ i::Handle<i::InterceptorInfo>::cast(struct_obj);
+ if (getter != 0) obj->set_getter(*FromCData(getter));
+ if (setter != 0) obj->set_setter(*FromCData(setter));
+ if (query != 0) obj->set_query(*FromCData(query));
+ if (remover != 0) obj->set_deleter(*FromCData(remover));
+ if (enumerator != 0) obj->set_enumerator(*FromCData(enumerator));
+ if (data.IsEmpty()) data = v8::Undefined();
+ obj->set_data(*Utils::OpenHandle(*data));
+ Utils::OpenHandle(this)->set_named_property_handler(*obj);
+}
+
+
+void FunctionTemplate::SetIndexedInstancePropertyHandler(
+ IndexedPropertyGetter getter,
+ IndexedPropertySetter setter,
+ IndexedPropertyQuery query,
+ IndexedPropertyDeleter remover,
+ IndexedPropertyEnumerator enumerator,
+ Handle<Value> data) {
+ if (IsDeadCheck(
+ "v8::FunctionTemplate::SetIndexedInstancePropertyHandler()")) {
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::INTERCEPTOR_INFO_TYPE);
+ i::Handle<i::InterceptorInfo> obj =
+ i::Handle<i::InterceptorInfo>::cast(struct_obj);
+ if (getter != 0) obj->set_getter(*FromCData(getter));
+ if (setter != 0) obj->set_setter(*FromCData(setter));
+ if (query != 0) obj->set_query(*FromCData(query));
+ if (remover != 0) obj->set_deleter(*FromCData(remover));
+ if (enumerator != 0) obj->set_enumerator(*FromCData(enumerator));
+ if (data.IsEmpty()) data = v8::Undefined();
+ obj->set_data(*Utils::OpenHandle(*data));
+ Utils::OpenHandle(this)->set_indexed_property_handler(*obj);
+}
+
+
+void FunctionTemplate::SetInstanceCallAsFunctionHandler(
+ InvocationCallback callback,
+ Handle<Value> data) {
+ if (IsDeadCheck("v8::FunctionTemplate::SetInstanceCallAsFunctionHandler()")) {
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE);
+ i::Handle<i::CallHandlerInfo> obj =
+ i::Handle<i::CallHandlerInfo>::cast(struct_obj);
+ obj->set_callback(*FromCData(callback));
+ if (data.IsEmpty()) data = v8::Undefined();
+ obj->set_data(*Utils::OpenHandle(*data));
+ Utils::OpenHandle(this)->set_instance_call_handler(*obj);
+}
+
+
+// --- O b j e c t T e m p l a t e ---
+
+
+Local<ObjectTemplate> ObjectTemplate::New() {
+ return New(Local<FunctionTemplate>());
+}
+
+
+Local<ObjectTemplate> ObjectTemplate::New(
+ v8::Handle<FunctionTemplate> constructor) {
+ if (IsDeadCheck("v8::ObjectTemplate::New()")) return Local<ObjectTemplate>();
+ EnsureInitialized("v8::ObjectTemplate::New()");
+ LOG_API("ObjectTemplate::New");
+ ENTER_V8;
+ i::Handle<i::Struct> struct_obj =
+ i::Factory::NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE);
+ i::Handle<i::ObjectTemplateInfo> obj =
+ i::Handle<i::ObjectTemplateInfo>::cast(struct_obj);
+ InitializeTemplate(obj, Consts::OBJECT_TEMPLATE);
+ if (!constructor.IsEmpty())
+ obj->set_constructor(*Utils::OpenHandle(*constructor));
+ obj->set_internal_field_count(i::Smi::FromInt(0));
+ return Utils::ToLocal(obj);
+}
+
+
+// Ensure that the object template has a constructor. If no
+// constructor is available we create one.
+static void EnsureConstructor(ObjectTemplate* object_template) {
+ if (Utils::OpenHandle(object_template)->constructor()->IsUndefined()) {
+ Local<FunctionTemplate> templ = FunctionTemplate::New();
+ i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ);
+ constructor->set_instance_template(*Utils::OpenHandle(object_template));
+ Utils::OpenHandle(object_template)->set_constructor(*constructor);
+ }
+}
+
+
+void ObjectTemplate::SetAccessor(v8::Handle<String> name,
+ AccessorGetter getter,
+ AccessorSetter setter,
+ v8::Handle<Value> data,
+ AccessControl settings,
+ PropertyAttribute attribute) {
+ if (IsDeadCheck("v8::ObjectTemplate::SetAccessor()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ EnsureConstructor(this);
+ i::FunctionTemplateInfo* constructor =
+ i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
+ i::Handle<i::FunctionTemplateInfo> cons(constructor);
+ Utils::ToLocal(cons)->AddInstancePropertyAccessor(name,
+ getter,
+ setter,
+ data,
+ settings,
+ attribute);
+}
+
+
+void ObjectTemplate::SetNamedPropertyHandler(NamedPropertyGetter getter,
+ NamedPropertySetter setter,
+ NamedPropertyQuery query,
+ NamedPropertyDeleter remover,
+ NamedPropertyEnumerator enumerator,
+ Handle<Value> data) {
+ if (IsDeadCheck("v8::ObjectTemplate::SetNamedPropertyHandler()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ EnsureConstructor(this);
+ i::FunctionTemplateInfo* constructor =
+ i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
+ i::Handle<i::FunctionTemplateInfo> cons(constructor);
+ Utils::ToLocal(cons)->SetNamedInstancePropertyHandler(getter,
+ setter,
+ query,
+ remover,
+ enumerator,
+ data);
+}
+
+
+void ObjectTemplate::MarkAsUndetectable() {
+ if (IsDeadCheck("v8::ObjectTemplate::MarkAsUndetectable()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ EnsureConstructor(this);
+ i::FunctionTemplateInfo* constructor =
+ i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
+ i::Handle<i::FunctionTemplateInfo> cons(constructor);
+ cons->set_undetectable(true);
+}
+
+
+void ObjectTemplate::SetAccessCheckCallbacks(
+ NamedSecurityCallback named_callback,
+ IndexedSecurityCallback indexed_callback,
+ Handle<Value> data,
+ bool turned_on_by_default) {
+ if (IsDeadCheck("v8::ObjectTemplate::SetAccessCheckCallbacks()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ EnsureConstructor(this);
+
+ i::Handle<i::Struct> struct_info =
+ i::Factory::NewStruct(i::ACCESS_CHECK_INFO_TYPE);
+ i::Handle<i::AccessCheckInfo> info =
+ i::Handle<i::AccessCheckInfo>::cast(struct_info);
+ info->set_named_callback(*FromCData(named_callback));
+ info->set_indexed_callback(*FromCData(indexed_callback));
+ if (data.IsEmpty()) data = v8::Undefined();
+ info->set_data(*Utils::OpenHandle(*data));
+
+ i::FunctionTemplateInfo* constructor =
+ i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
+ i::Handle<i::FunctionTemplateInfo> cons(constructor);
+ cons->set_access_check_info(*info);
+ cons->set_needs_access_check(turned_on_by_default);
+}
+
+
+void ObjectTemplate::SetIndexedPropertyHandler(
+ IndexedPropertyGetter getter,
+ IndexedPropertySetter setter,
+ IndexedPropertyQuery query,
+ IndexedPropertyDeleter remover,
+ IndexedPropertyEnumerator enumerator,
+ Handle<Value> data) {
+ if (IsDeadCheck("v8::ObjectTemplate::SetIndexedPropertyHandler()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ EnsureConstructor(this);
+ i::FunctionTemplateInfo* constructor =
+ i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
+ i::Handle<i::FunctionTemplateInfo> cons(constructor);
+ Utils::ToLocal(cons)->SetIndexedInstancePropertyHandler(getter,
+ setter,
+ query,
+ remover,
+ enumerator,
+ data);
+}
+
+
+void ObjectTemplate::SetCallAsFunctionHandler(InvocationCallback callback,
+ Handle<Value> data) {
+ if (IsDeadCheck("v8::ObjectTemplate::SetCallAsFunctionHandler()")) return;
+ ENTER_V8;
+ HandleScope scope;
+ EnsureConstructor(this);
+ i::FunctionTemplateInfo* constructor =
+ i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
+ i::Handle<i::FunctionTemplateInfo> cons(constructor);
+ Utils::ToLocal(cons)->SetInstanceCallAsFunctionHandler(callback, data);
+}
+
+
+int ObjectTemplate::InternalFieldCount() {
+ if (IsDeadCheck("v8::ObjectTemplate::InternalFieldCount()")) {
+ return 0;
+ }
+ return i::Smi::cast(Utils::OpenHandle(this)->internal_field_count())->value();
+}
+
+
+void ObjectTemplate::SetInternalFieldCount(int value) {
+ if (IsDeadCheck("v8::ObjectTemplate::SetInternalFieldCount()")) return;
+ if (!ApiCheck(i::Smi::IsValid(value),
+ "v8::ObjectTemplate::SetInternalFieldCount()",
+ "Invalid internal field count")) {
+ return;
+ }
+ ENTER_V8;
+ if (value > 0) {
+ // The internal field count is set by the constructor function's
+ // construct code, so we ensure that there is a constructor
+ // function to do the setting.
+ EnsureConstructor(this);
+ }
+ Utils::OpenHandle(this)->set_internal_field_count(i::Smi::FromInt(value));
+}
+
+
+// --- S c r i p t D a t a ---
+
+
+ScriptData* ScriptData::PreCompile(const char* input, int length) {
+ unibrow::Utf8InputBuffer<> buf(input, length);
+ return i::PreParse(i::Handle<i::String>(), &buf, NULL);
+}
+
+
+ScriptData* ScriptData::New(unsigned* data, int length) {
+ return new i::ScriptDataImpl(i::Vector<unsigned>(data, length));
+}
+
+
+// --- S c r i p t ---
+
+
+Local<Script> Script::New(v8::Handle<String> source,
+ v8::ScriptOrigin* origin,
+ v8::ScriptData* script_data) {
+ ON_BAILOUT("v8::Script::New()", return Local<Script>());
+ LOG_API("Script::New");
+ ENTER_V8;
+ i::Handle<i::String> str = Utils::OpenHandle(*source);
+ i::Handle<i::Object> name_obj;
+ int line_offset = 0;
+ int column_offset = 0;
+ if (origin != NULL) {
+ if (!origin->ResourceName().IsEmpty()) {
+ name_obj = Utils::OpenHandle(*origin->ResourceName());
+ }
+ if (!origin->ResourceLineOffset().IsEmpty()) {
+ line_offset = static_cast<int>(origin->ResourceLineOffset()->Value());
+ }
+ if (!origin->ResourceColumnOffset().IsEmpty()) {
+ column_offset = static_cast<int>(origin->ResourceColumnOffset()->Value());
+ }
+ }
+ EXCEPTION_PREAMBLE();
+ i::ScriptDataImpl* pre_data = static_cast<i::ScriptDataImpl*>(script_data);
+ // We assert that the pre-data is sane, even though we can actually
+ // handle it if it turns out not to be in release mode.
+ ASSERT(pre_data == NULL || pre_data->SanityCheck());
+ // If the pre-data isn't sane we simply ignore it
+ if (pre_data != NULL && !pre_data->SanityCheck()) {
+ pre_data = NULL;
+ }
+ i::Handle<i::JSFunction> boilerplate = i::Compiler::Compile(str,
+ name_obj,
+ line_offset,
+ column_offset,
+ NULL,
+ pre_data);
+ has_pending_exception = boilerplate.is_null();
+ EXCEPTION_BAILOUT_CHECK(Local<Script>());
+ return Local<Script>(ToApi<Script>(boilerplate));
+}
+
+
+Local<Script> Script::New(v8::Handle<String> source,
+ v8::Handle<Value> file_name) {
+ ScriptOrigin origin(file_name);
+ return New(source, &origin);
+}
+
+
+Local<Script> Script::Compile(v8::Handle<String> source,
+ v8::ScriptOrigin* origin,
+ v8::ScriptData* script_data) {
+ ON_BAILOUT("v8::Script::Compile()", return Local<Script>());
+ LOG_API("Script::Compile");
+ ENTER_V8;
+ Local<Script> generic = New(source, origin, script_data);
+ if (generic.IsEmpty())
+ return generic;
+ i::Handle<i::JSFunction> boilerplate = Utils::OpenHandle(*generic);
+ i::Handle<i::JSFunction> result =
+ i::Factory::NewFunctionFromBoilerplate(boilerplate,
+ i::Top::global_context());
+ return Local<Script>(ToApi<Script>(result));
+}
+
+
+Local<Script> Script::Compile(v8::Handle<String> source,
+ v8::Handle<Value> file_name) {
+ ScriptOrigin origin(file_name);
+ return Compile(source, &origin);
+}
+
+
+Local<Value> Script::Run() {
+ ON_BAILOUT("v8::Script::Run()", return Local<Value>());
+ LOG_API("Script::Run");
+ ENTER_V8;
+ i::Object* raw_result = NULL;
+ {
+ HandleScope scope;
+ i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
+ if (fun->IsBoilerplate()) {
+ fun = i::Factory::NewFunctionFromBoilerplate(fun,
+ i::Top::global_context());
+ }
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> receiver(i::Top::context()->global_proxy());
+ i::Handle<i::Object> result =
+ i::Execution::Call(fun, receiver, 0, NULL, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Value>());
+ raw_result = *result;
+ }
+ i::Handle<i::Object> result(raw_result);
+ return Utils::ToLocal(result);
+}
+
+
+Local<Value> Script::Id() {
+ ON_BAILOUT("v8::Script::Id()", return Local<Value>());
+ LOG_API("Script::Id");
+ i::Object* raw_id = NULL;
+ {
+ HandleScope scope;
+ i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
+ i::Handle<i::Script> script(i::Script::cast(fun->shared()->script()));
+ i::Handle<i::Object> id(script->id());
+ raw_id = *id;
+ }
+ i::Handle<i::Object> id(raw_id);
+ return Utils::ToLocal(id);
+}
+
+
+void Script::SetData(v8::Handle<Value> data) {
+ ON_BAILOUT("v8::Script::SetData()", return);
+ LOG_API("Script::SetData");
+ {
+ HandleScope scope;
+ i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
+ i::Handle<i::Object> raw_data = Utils::OpenHandle(*data);
+ i::Handle<i::Script> script(i::Script::cast(fun->shared()->script()));
+ script->set_data(*raw_data);
+ }
+}
+
+
+// --- E x c e p t i o n s ---
+
+
+v8::TryCatch::TryCatch()
+ : next_(i::Top::try_catch_handler()),
+ exception_(i::Heap::the_hole_value()),
+ message_(i::Smi::FromInt(0)),
+ is_verbose_(false),
+ can_continue_(true),
+ capture_message_(true),
+ js_handler_(NULL) {
+ i::Top::RegisterTryCatchHandler(this);
+}
+
+
+v8::TryCatch::~TryCatch() {
+ i::Top::UnregisterTryCatchHandler(this);
+}
+
+
+bool v8::TryCatch::HasCaught() const {
+ return !reinterpret_cast<i::Object*>(exception_)->IsTheHole();
+}
+
+
+bool v8::TryCatch::CanContinue() const {
+ return can_continue_;
+}
+
+
+v8::Local<Value> v8::TryCatch::Exception() const {
+ if (HasCaught()) {
+ // Check for out of memory exception.
+ i::Object* exception = reinterpret_cast<i::Object*>(exception_);
+ return v8::Utils::ToLocal(i::Handle<i::Object>(exception));
+ } else {
+ return v8::Local<Value>();
+ }
+}
+
+
+v8::Local<Value> v8::TryCatch::StackTrace() const {
+ if (HasCaught()) {
+ i::Object* raw_obj = reinterpret_cast<i::Object*>(exception_);
+ if (!raw_obj->IsJSObject()) return v8::Local<Value>();
+ v8::HandleScope scope;
+ i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj));
+ i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("stack");
+ if (!obj->HasProperty(*name))
+ return v8::Local<Value>();
+ return scope.Close(v8::Utils::ToLocal(i::GetProperty(obj, name)));
+ } else {
+ return v8::Local<Value>();
+ }
+}
+
+
+v8::Local<v8::Message> v8::TryCatch::Message() const {
+ if (HasCaught() && message_ != i::Smi::FromInt(0)) {
+ i::Object* message = reinterpret_cast<i::Object*>(message_);
+ return v8::Utils::MessageToLocal(i::Handle<i::Object>(message));
+ } else {
+ return v8::Local<v8::Message>();
+ }
+}
+
+
+void v8::TryCatch::Reset() {
+ exception_ = i::Heap::the_hole_value();
+ message_ = i::Smi::FromInt(0);
+}
+
+
+void v8::TryCatch::SetVerbose(bool value) {
+ is_verbose_ = value;
+}
+
+
+void v8::TryCatch::SetCaptureMessage(bool value) {
+ capture_message_ = value;
+}
+
+
+// --- M e s s a g e ---
+
+
+Local<String> Message::Get() const {
+ ON_BAILOUT("v8::Message::Get()", return Local<String>());
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(obj);
+ Local<String> result = Utils::ToLocal(raw_result);
+ return scope.Close(result);
+}
+
+
+v8::Handle<Value> Message::GetScriptResourceName() const {
+ if (IsDeadCheck("v8::Message::GetScriptResourceName()")) {
+ return Local<String>();
+ }
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> obj =
+ i::Handle<i::JSObject>::cast(Utils::OpenHandle(this));
+ // Return this.script.name.
+ i::Handle<i::JSValue> script =
+ i::Handle<i::JSValue>::cast(GetProperty(obj, "script"));
+ i::Handle<i::Object> resource_name(i::Script::cast(script->value())->name());
+ return scope.Close(Utils::ToLocal(resource_name));
+}
+
+
+v8::Handle<Value> Message::GetScriptData() const {
+ if (IsDeadCheck("v8::Message::GetScriptResourceData()")) {
+ return Local<Value>();
+ }
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> obj =
+ i::Handle<i::JSObject>::cast(Utils::OpenHandle(this));
+ // Return this.script.data.
+ i::Handle<i::JSValue> script =
+ i::Handle<i::JSValue>::cast(GetProperty(obj, "script"));
+ i::Handle<i::Object> data(i::Script::cast(script->value())->data());
+ return scope.Close(Utils::ToLocal(data));
+}
+
+
+static i::Handle<i::Object> CallV8HeapFunction(const char* name,
+ i::Handle<i::Object> recv,
+ int argc,
+ i::Object** argv[],
+ bool* has_pending_exception) {
+ i::Handle<i::String> fmt_str = i::Factory::LookupAsciiSymbol(name);
+ i::Object* object_fun = i::Top::builtins()->GetProperty(*fmt_str);
+ i::Handle<i::JSFunction> fun =
+ i::Handle<i::JSFunction>(i::JSFunction::cast(object_fun));
+ i::Handle<i::Object> value =
+ i::Execution::Call(fun, recv, argc, argv, has_pending_exception);
+ return value;
+}
+
+
+static i::Handle<i::Object> CallV8HeapFunction(const char* name,
+ i::Handle<i::Object> data,
+ bool* has_pending_exception) {
+ i::Object** argv[1] = { data.location() };
+ return CallV8HeapFunction(name,
+ i::Top::builtins(),
+ 1,
+ argv,
+ has_pending_exception);
+}
+
+
+int Message::GetLineNumber() const {
+ ON_BAILOUT("v8::Message::GetLineNumber()", return -1);
+ ENTER_V8;
+ HandleScope scope;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> result = CallV8HeapFunction("GetLineNumber",
+ Utils::OpenHandle(this),
+ &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(0);
+ return static_cast<int>(result->Number());
+}
+
+
+int Message::GetStartPosition() const {
+ if (IsDeadCheck("v8::Message::GetStartPosition()")) return 0;
+ ENTER_V8;
+ HandleScope scope;
+
+ i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
+ return static_cast<int>(GetProperty(data_obj, "startPos")->Number());
+}
+
+
+int Message::GetEndPosition() const {
+ if (IsDeadCheck("v8::Message::GetEndPosition()")) return 0;
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
+ return static_cast<int>(GetProperty(data_obj, "endPos")->Number());
+}
+
+
+int Message::GetStartColumn() const {
+ if (IsDeadCheck("v8::Message::GetStartColumn()")) return 0;
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> start_col_obj = CallV8HeapFunction(
+ "GetPositionInLine",
+ data_obj,
+ &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(0);
+ return static_cast<int>(start_col_obj->Number());
+}
+
+
+int Message::GetEndColumn() const {
+ if (IsDeadCheck("v8::Message::GetEndColumn()")) return 0;
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> start_col_obj = CallV8HeapFunction(
+ "GetPositionInLine",
+ data_obj,
+ &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(0);
+ int start = static_cast<int>(GetProperty(data_obj, "startPos")->Number());
+ int end = static_cast<int>(GetProperty(data_obj, "endPos")->Number());
+ return static_cast<int>(start_col_obj->Number()) + (end - start);
+}
+
+
+Local<String> Message::GetSourceLine() const {
+ ON_BAILOUT("v8::Message::GetSourceLine()", return Local<String>());
+ ENTER_V8;
+ HandleScope scope;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine",
+ Utils::OpenHandle(this),
+ &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<v8::String>());
+ if (result->IsString()) {
+ return scope.Close(Utils::ToLocal(i::Handle<i::String>::cast(result)));
+ } else {
+ return Local<String>();
+ }
+}
+
+
+void Message::PrintCurrentStackTrace(FILE* out) {
+ if (IsDeadCheck("v8::Message::PrintCurrentStackTrace()")) return;
+ ENTER_V8;
+ i::Top::PrintCurrentStackTrace(out);
+}
+
+
+// --- D a t a ---
+
+bool Value::IsUndefined() const {
+ if (IsDeadCheck("v8::Value::IsUndefined()")) return false;
+ return Utils::OpenHandle(this)->IsUndefined();
+}
+
+
+bool Value::IsNull() const {
+ if (IsDeadCheck("v8::Value::IsNull()")) return false;
+ return Utils::OpenHandle(this)->IsNull();
+}
+
+
+bool Value::IsTrue() const {
+ if (IsDeadCheck("v8::Value::IsTrue()")) return false;
+ return Utils::OpenHandle(this)->IsTrue();
+}
+
+
+bool Value::IsFalse() const {
+ if (IsDeadCheck("v8::Value::IsFalse()")) return false;
+ return Utils::OpenHandle(this)->IsFalse();
+}
+
+
+bool Value::IsFunction() const {
+ if (IsDeadCheck("v8::Value::IsFunction()")) return false;
+ return Utils::OpenHandle(this)->IsJSFunction();
+}
+
+
+bool Value::FullIsString() const {
+ if (IsDeadCheck("v8::Value::IsString()")) return false;
+ bool result = Utils::OpenHandle(this)->IsString();
+ ASSERT_EQ(result, QuickIsString());
+ return result;
+}
+
+
+bool Value::IsArray() const {
+ if (IsDeadCheck("v8::Value::IsArray()")) return false;
+ return Utils::OpenHandle(this)->IsJSArray();
+}
+
+
+bool Value::IsObject() const {
+ if (IsDeadCheck("v8::Value::IsObject()")) return false;
+ return Utils::OpenHandle(this)->IsJSObject();
+}
+
+
+bool Value::IsNumber() const {
+ if (IsDeadCheck("v8::Value::IsNumber()")) return false;
+ return Utils::OpenHandle(this)->IsNumber();
+}
+
+
+bool Value::IsBoolean() const {
+ if (IsDeadCheck("v8::Value::IsBoolean()")) return false;
+ return Utils::OpenHandle(this)->IsBoolean();
+}
+
+
+bool Value::IsExternal() const {
+ if (IsDeadCheck("v8::Value::IsExternal()")) return false;
+ return Utils::OpenHandle(this)->IsProxy();
+}
+
+
+bool Value::IsInt32() const {
+ if (IsDeadCheck("v8::Value::IsInt32()")) return false;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsSmi()) return true;
+ if (obj->IsNumber()) {
+ double value = obj->Number();
+ return i::FastI2D(i::FastD2I(value)) == value;
+ }
+ return false;
+}
+
+
+bool Value::IsDate() const {
+ if (IsDeadCheck("v8::Value::IsDate()")) return false;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ return obj->HasSpecificClassOf(i::Heap::Date_symbol());
+}
+
+
+Local<String> Value::ToString() const {
+ if (IsDeadCheck("v8::Value::ToString()")) return Local<String>();
+ LOG_API("ToString");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> str;
+ if (obj->IsString()) {
+ str = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ str = i::Execution::ToString(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<String>());
+ }
+ return Local<String>(ToApi<String>(str));
+}
+
+
+Local<String> Value::ToDetailString() const {
+ if (IsDeadCheck("v8::Value::ToDetailString()")) return Local<String>();
+ LOG_API("ToDetailString");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> str;
+ if (obj->IsString()) {
+ str = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ str = i::Execution::ToDetailString(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<String>());
+ }
+ return Local<String>(ToApi<String>(str));
+}
+
+
+Local<v8::Object> Value::ToObject() const {
+ if (IsDeadCheck("v8::Value::ToObject()")) return Local<v8::Object>();
+ LOG_API("ToObject");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> val;
+ if (obj->IsJSObject()) {
+ val = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ val = i::Execution::ToObject(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<v8::Object>());
+ }
+ return Local<v8::Object>(ToApi<Object>(val));
+}
+
+
+Local<Boolean> Value::ToBoolean() const {
+ if (IsDeadCheck("v8::Value::ToBoolean()")) return Local<Boolean>();
+ LOG_API("ToBoolean");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsBoolean()) {
+ return Local<Boolean>(ToApi<Boolean>(obj));
+ } else {
+ ENTER_V8;
+ i::Handle<i::Object> val = i::Execution::ToBoolean(obj);
+ return Local<Boolean>(ToApi<Boolean>(val));
+ }
+}
+
+
+Local<Number> Value::ToNumber() const {
+ if (IsDeadCheck("v8::Value::ToNumber()")) return Local<Number>();
+ LOG_API("ToNumber");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> num;
+ if (obj->IsNumber()) {
+ num = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ num = i::Execution::ToNumber(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Number>());
+ }
+ return Local<Number>(ToApi<Number>(num));
+}
+
+
+Local<Integer> Value::ToInteger() const {
+ if (IsDeadCheck("v8::Value::ToInteger()")) return Local<Integer>();
+ LOG_API("ToInteger");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> num;
+ if (obj->IsSmi()) {
+ num = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ num = i::Execution::ToInteger(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Integer>());
+ }
+ return Local<Integer>(ToApi<Integer>(num));
+}
+
+
+void External::CheckCast(v8::Value* that) {
+ if (IsDeadCheck("v8::External::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsProxy(),
+ "v8::External::Cast()",
+ "Could not convert to external");
+}
+
+
+void v8::Object::CheckCast(Value* that) {
+ if (IsDeadCheck("v8::Object::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsJSObject(),
+ "v8::Object::Cast()",
+ "Could not convert to object");
+}
+
+
+void v8::Function::CheckCast(Value* that) {
+ if (IsDeadCheck("v8::Function::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsJSFunction(),
+ "v8::Function::Cast()",
+ "Could not convert to function");
+}
+
+
+void v8::String::CheckCast(v8::Value* that) {
+ if (IsDeadCheck("v8::String::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsString(),
+ "v8::String::Cast()",
+ "Could not convert to string");
+}
+
+
+void v8::Number::CheckCast(v8::Value* that) {
+ if (IsDeadCheck("v8::Number::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsNumber(),
+ "v8::Number::Cast()",
+ "Could not convert to number");
+}
+
+
+void v8::Integer::CheckCast(v8::Value* that) {
+ if (IsDeadCheck("v8::Integer::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsNumber(),
+ "v8::Integer::Cast()",
+ "Could not convert to number");
+}
+
+
+void v8::Array::CheckCast(Value* that) {
+ if (IsDeadCheck("v8::Array::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->IsJSArray(),
+ "v8::Array::Cast()",
+ "Could not convert to array");
+}
+
+
+void v8::Date::CheckCast(v8::Value* that) {
+ if (IsDeadCheck("v8::Date::Cast()")) return;
+ i::Handle<i::Object> obj = Utils::OpenHandle(that);
+ ApiCheck(obj->HasSpecificClassOf(i::Heap::Date_symbol()),
+ "v8::Date::Cast()",
+ "Could not convert to date");
+}
+
+
+bool Value::BooleanValue() const {
+ if (IsDeadCheck("v8::Value::BooleanValue()")) return false;
+ LOG_API("BooleanValue");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsBoolean()) {
+ return obj->IsTrue();
+ } else {
+ ENTER_V8;
+ i::Handle<i::Object> value = i::Execution::ToBoolean(obj);
+ return value->IsTrue();
+ }
+}
+
+
+double Value::NumberValue() const {
+ if (IsDeadCheck("v8::Value::NumberValue()")) return i::OS::nan_value();
+ LOG_API("NumberValue");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> num;
+ if (obj->IsNumber()) {
+ num = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ num = i::Execution::ToNumber(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(i::OS::nan_value());
+ }
+ return num->Number();
+}
+
+
+int64_t Value::IntegerValue() const {
+ if (IsDeadCheck("v8::Value::IntegerValue()")) return 0;
+ LOG_API("IntegerValue");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> num;
+ if (obj->IsNumber()) {
+ num = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ num = i::Execution::ToInteger(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(0);
+ }
+ if (num->IsSmi()) {
+ return i::Smi::cast(*num)->value();
+ } else {
+ return static_cast<int64_t>(num->Number());
+ }
+}
+
+
+Local<Int32> Value::ToInt32() const {
+ if (IsDeadCheck("v8::Value::ToInt32()")) return Local<Int32>();
+ LOG_API("ToInt32");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> num;
+ if (obj->IsSmi()) {
+ num = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ num = i::Execution::ToInt32(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Int32>());
+ }
+ return Local<Int32>(ToApi<Int32>(num));
+}
+
+
+Local<Uint32> Value::ToUint32() const {
+ if (IsDeadCheck("v8::Value::ToUint32()")) return Local<Uint32>();
+ LOG_API("ToUInt32");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> num;
+ if (obj->IsSmi()) {
+ num = obj;
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ num = i::Execution::ToUint32(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Uint32>());
+ }
+ return Local<Uint32>(ToApi<Uint32>(num));
+}
+
+
+Local<Uint32> Value::ToArrayIndex() const {
+ if (IsDeadCheck("v8::Value::ToArrayIndex()")) return Local<Uint32>();
+ LOG_API("ToArrayIndex");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsSmi()) {
+ if (i::Smi::cast(*obj)->value() >= 0) return Utils::Uint32ToLocal(obj);
+ return Local<Uint32>();
+ }
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> string_obj =
+ i::Execution::ToString(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Uint32>());
+ i::Handle<i::String> str = i::Handle<i::String>::cast(string_obj);
+ uint32_t index;
+ if (str->AsArrayIndex(&index)) {
+ i::Handle<i::Object> value;
+ if (index <= static_cast<uint32_t>(i::Smi::kMaxValue)) {
+ value = i::Handle<i::Object>(i::Smi::FromInt(index));
+ } else {
+ value = i::Factory::NewNumber(index);
+ }
+ return Utils::Uint32ToLocal(value);
+ }
+ return Local<Uint32>();
+}
+
+
+int32_t Value::Int32Value() const {
+ if (IsDeadCheck("v8::Value::Int32Value()")) return 0;
+ LOG_API("Int32Value");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsSmi()) {
+ return i::Smi::cast(*obj)->value();
+ } else {
+ LOG_API("Int32Value (slow)");
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> num =
+ i::Execution::ToInt32(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(0);
+ if (num->IsSmi()) {
+ return i::Smi::cast(*num)->value();
+ } else {
+ return static_cast<int32_t>(num->Number());
+ }
+ }
+}
+
+
+bool Value::Equals(Handle<Value> that) const {
+ if (IsDeadCheck("v8::Value::Equals()")
+ || EmptyCheck("v8::Value::Equals()", this)
+ || EmptyCheck("v8::Value::Equals()", that)) {
+ return false;
+ }
+ LOG_API("Equals");
+ ENTER_V8;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> other = Utils::OpenHandle(*that);
+ i::Object** args[1] = { other.location() };
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> result =
+ CallV8HeapFunction("EQUALS", obj, 1, args, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(false);
+ return *result == i::Smi::FromInt(i::EQUAL);
+}
+
+
+bool Value::StrictEquals(Handle<Value> that) const {
+ if (IsDeadCheck("v8::Value::StrictEquals()")
+ || EmptyCheck("v8::Value::StrictEquals()", this)
+ || EmptyCheck("v8::Value::StrictEquals()", that)) {
+ return false;
+ }
+ LOG_API("StrictEquals");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::Object> other = Utils::OpenHandle(*that);
+ // Must check HeapNumber first, since NaN !== NaN.
+ if (obj->IsHeapNumber()) {
+ if (!other->IsNumber()) return false;
+ double x = obj->Number();
+ double y = other->Number();
+ // Must check explicitly for NaN:s on Windows, but -0 works fine.
+ return x == y && !isnan(x) && !isnan(y);
+ } else if (*obj == *other) { // Also covers Booleans.
+ return true;
+ } else if (obj->IsSmi()) {
+ return other->IsNumber() && obj->Number() == other->Number();
+ } else if (obj->IsString()) {
+ return other->IsString() &&
+ i::String::cast(*obj)->Equals(i::String::cast(*other));
+ } else if (obj->IsUndefined() || obj->IsUndetectableObject()) {
+ return other->IsUndefined() || other->IsUndetectableObject();
+ } else {
+ return false;
+ }
+}
+
+
+uint32_t Value::Uint32Value() const {
+ if (IsDeadCheck("v8::Value::Uint32Value()")) return 0;
+ LOG_API("Uint32Value");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsSmi()) {
+ return i::Smi::cast(*obj)->value();
+ } else {
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> num =
+ i::Execution::ToUint32(obj, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(0);
+ if (num->IsSmi()) {
+ return i::Smi::cast(*num)->value();
+ } else {
+ return static_cast<uint32_t>(num->Number());
+ }
+ }
+}
+
+
+bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value,
+ v8::PropertyAttribute attribs) {
+ ON_BAILOUT("v8::Object::Set()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Object> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
+ i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj = i::SetProperty(
+ self,
+ key_obj,
+ value_obj,
+ static_cast<PropertyAttributes>(attribs));
+ has_pending_exception = obj.is_null();
+ EXCEPTION_BAILOUT_CHECK(false);
+ return true;
+}
+
+
+bool v8::Object::ForceSet(v8::Handle<Value> key,
+ v8::Handle<Value> value,
+ v8::PropertyAttribute attribs) {
+ ON_BAILOUT("v8::Object::ForceSet()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
+ i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj = i::ForceSetProperty(
+ self,
+ key_obj,
+ value_obj,
+ static_cast<PropertyAttributes>(attribs));
+ has_pending_exception = obj.is_null();
+ EXCEPTION_BAILOUT_CHECK(false);
+ return true;
+}
+
+
+bool v8::Object::ForceDelete(v8::Handle<Value> key) {
+ ON_BAILOUT("v8::Object::ForceDelete()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj = i::ForceDeleteProperty(self, key_obj);
+ has_pending_exception = obj.is_null();
+ EXCEPTION_BAILOUT_CHECK(false);
+ return obj->IsTrue();
+}
+
+
+Local<Value> v8::Object::Get(v8::Handle<Value> key) {
+ ON_BAILOUT("v8::Object::Get()", return Local<v8::Value>());
+ ENTER_V8;
+ i::Handle<i::Object> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> result = i::GetProperty(self, key_obj);
+ has_pending_exception = result.is_null();
+ EXCEPTION_BAILOUT_CHECK(Local<Value>());
+ return Utils::ToLocal(result);
+}
+
+
+Local<Value> v8::Object::GetPrototype() {
+ ON_BAILOUT("v8::Object::GetPrototype()", return Local<v8::Value>());
+ ENTER_V8;
+ i::Handle<i::Object> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> result = i::GetPrototype(self);
+ return Utils::ToLocal(result);
+}
+
+
+Local<Object> v8::Object::FindInstanceInPrototypeChain(
+ v8::Handle<FunctionTemplate> tmpl) {
+ ON_BAILOUT("v8::Object::FindInstanceInPrototypeChain()",
+ return Local<v8::Object>());
+ ENTER_V8;
+ i::JSObject* object = *Utils::OpenHandle(this);
+ i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl);
+ while (!object->IsInstanceOf(tmpl_info)) {
+ i::Object* prototype = object->GetPrototype();
+ if (!prototype->IsJSObject()) return Local<Object>();
+ object = i::JSObject::cast(prototype);
+ }
+ return Utils::ToLocal(i::Handle<i::JSObject>(object));
+}
+
+
+Local<Array> v8::Object::GetPropertyNames() {
+ ON_BAILOUT("v8::Object::GetPropertyNames()", return Local<v8::Array>());
+ ENTER_V8;
+ v8::HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::FixedArray> value =
+ i::GetKeysInFixedArrayFor(self, i::INCLUDE_PROTOS);
+ // Because we use caching to speed up enumeration it is important
+ // to never change the result of the basic enumeration function so
+ // we clone the result.
+ i::Handle<i::FixedArray> elms = i::Factory::CopyFixedArray(value);
+ i::Handle<i::JSArray> result = i::Factory::NewJSArrayWithElements(elms);
+ return scope.Close(Utils::ToLocal(result));
+}
+
+
+Local<String> v8::Object::ObjectProtoToString() {
+ ON_BAILOUT("v8::Object::ObjectProtoToString()", return Local<v8::String>());
+ ENTER_V8;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+
+ i::Handle<i::Object> name(self->class_name());
+
+ // Native implementation of Object.prototype.toString (v8natives.js):
+ // var c = %ClassOf(this);
+ // if (c === 'Arguments') c = 'Object';
+ // return "[object " + c + "]";
+
+ if (!name->IsString()) {
+ return v8::String::New("[object ]");
+
+ } else {
+ i::Handle<i::String> class_name = i::Handle<i::String>::cast(name);
+ if (class_name->IsEqualTo(i::CStrVector("Arguments"))) {
+ return v8::String::New("[object Object]");
+
+ } else {
+ const char* prefix = "[object ";
+ Local<String> str = Utils::ToLocal(class_name);
+ const char* postfix = "]";
+
+ size_t prefix_len = strlen(prefix);
+ size_t str_len = str->Length();
+ size_t postfix_len = strlen(postfix);
+
+ size_t buf_len = prefix_len + str_len + postfix_len;
+ char* buf = i::NewArray<char>(buf_len);
+
+ // Write prefix.
+ char* ptr = buf;
+ memcpy(ptr, prefix, prefix_len * v8::internal::kCharSize);
+ ptr += prefix_len;
+
+ // Write real content.
+ str->WriteAscii(ptr, 0, str_len);
+ ptr += str_len;
+
+ // Write postfix.
+ memcpy(ptr, postfix, postfix_len * v8::internal::kCharSize);
+
+ // Copy the buffer into a heap-allocated string and return it.
+ Local<String> result = v8::String::New(buf, buf_len);
+ i::DeleteArray(buf);
+ return result;
+ }
+ }
+}
+
+
+bool v8::Object::Delete(v8::Handle<String> key) {
+ ON_BAILOUT("v8::Object::Delete()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
+ return i::DeleteProperty(self, key_obj)->IsTrue();
+}
+
+
+bool v8::Object::Has(v8::Handle<String> key) {
+ ON_BAILOUT("v8::Object::Has()", return false);
+ ENTER_V8;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
+ return self->HasProperty(*key_obj);
+}
+
+
+bool v8::Object::Delete(uint32_t index) {
+ ON_BAILOUT("v8::Object::DeleteProperty()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ return i::DeleteElement(self, index)->IsTrue();
+}
+
+
+bool v8::Object::Has(uint32_t index) {
+ ON_BAILOUT("v8::Object::HasProperty()", return false);
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ return self->HasElement(index);
+}
+
+
+bool v8::Object::HasRealNamedProperty(Handle<String> key) {
+ ON_BAILOUT("v8::Object::HasRealNamedProperty()", return false);
+ return Utils::OpenHandle(this)->HasRealNamedProperty(
+ *Utils::OpenHandle(*key));
+}
+
+
+bool v8::Object::HasRealIndexedProperty(uint32_t index) {
+ ON_BAILOUT("v8::Object::HasRealIndexedProperty()", return false);
+ return Utils::OpenHandle(this)->HasRealElementProperty(index);
+}
+
+
+bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) {
+ ON_BAILOUT("v8::Object::HasRealNamedCallbackProperty()", return false);
+ ENTER_V8;
+ return Utils::OpenHandle(this)->HasRealNamedCallbackProperty(
+ *Utils::OpenHandle(*key));
+}
+
+
+bool v8::Object::HasNamedLookupInterceptor() {
+ ON_BAILOUT("v8::Object::HasNamedLookupInterceptor()", return false);
+ return Utils::OpenHandle(this)->HasNamedInterceptor();
+}
+
+
+bool v8::Object::HasIndexedLookupInterceptor() {
+ ON_BAILOUT("v8::Object::HasIndexedLookupInterceptor()", return false);
+ return Utils::OpenHandle(this)->HasIndexedInterceptor();
+}
+
+
+Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain(
+ Handle<String> key) {
+ ON_BAILOUT("v8::Object::GetRealNamedPropertyInPrototypeChain()",
+ return Local<Value>());
+ ENTER_V8;
+ i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this);
+ i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
+ i::LookupResult lookup;
+ self_obj->LookupRealNamedPropertyInPrototypes(*key_obj, &lookup);
+ if (lookup.IsValid()) {
+ PropertyAttributes attributes;
+ i::Handle<i::Object> result(self_obj->GetProperty(*self_obj,
+ &lookup,
+ *key_obj,
+ &attributes));
+ return Utils::ToLocal(result);
+ }
+ return Local<Value>(); // No real property was found in prototype chain.
+}
+
+
+Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) {
+ ON_BAILOUT("v8::Object::GetRealNamedProperty()", return Local<Value>());
+ ENTER_V8;
+ i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this);
+ i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
+ i::LookupResult lookup;
+ self_obj->LookupRealNamedProperty(*key_obj, &lookup);
+ if (lookup.IsValid()) {
+ PropertyAttributes attributes;
+ i::Handle<i::Object> result(self_obj->GetProperty(*self_obj,
+ &lookup,
+ *key_obj,
+ &attributes));
+ return Utils::ToLocal(result);
+ }
+ return Local<Value>(); // No real property was found in prototype chain.
+}
+
+
+// Turns on access checks by copying the map and setting the check flag.
+// Because the object gets a new map, existing inline cache caching
+// the old map of this object will fail.
+void v8::Object::TurnOnAccessCheck() {
+ ON_BAILOUT("v8::Object::TurnOnAccessCheck()", return);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+
+ i::Handle<i::Map> new_map =
+ i::Factory::CopyMapDropTransitions(i::Handle<i::Map>(obj->map()));
+ new_map->set_is_access_check_needed(true);
+ obj->set_map(*new_map);
+}
+
+
+bool v8::Object::IsDirty() {
+ return Utils::OpenHandle(this)->IsDirty();
+}
+
+
+Local<v8::Object> v8::Object::Clone() {
+ ON_BAILOUT("v8::Object::Clone()", return Local<Object>());
+ ENTER_V8;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::JSObject> result = i::Copy(self);
+ has_pending_exception = result.is_null();
+ EXCEPTION_BAILOUT_CHECK(Local<Object>());
+ return Utils::ToLocal(result);
+}
+
+
+int v8::Object::GetIdentityHash() {
+ ON_BAILOUT("v8::Object::GetIdentityHash()", return 0);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true));
+ i::Handle<i::Object> hash_symbol = i::Factory::identity_hash_symbol();
+ i::Handle<i::Object> hash = i::GetProperty(hidden_props, hash_symbol);
+ int hash_value;
+ if (hash->IsSmi()) {
+ hash_value = i::Smi::cast(*hash)->value();
+ } else {
+ int attempts = 0;
+ do {
+ // Generate a random 32-bit hash value but limit range to fit
+ // within a smi.
+ hash_value = i::V8::Random() & i::Smi::kMaxValue;
+ attempts++;
+ } while (hash_value == 0 && attempts < 30);
+ hash_value = hash_value != 0 ? hash_value : 1; // never return 0
+ i::SetProperty(hidden_props,
+ hash_symbol,
+ i::Handle<i::Object>(i::Smi::FromInt(hash_value)),
+ static_cast<PropertyAttributes>(None));
+ }
+ return hash_value;
+}
+
+
+bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key,
+ v8::Handle<v8::Value> value) {
+ ON_BAILOUT("v8::Object::SetHiddenValue()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true));
+ i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
+ i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj = i::SetProperty(
+ hidden_props,
+ key_obj,
+ value_obj,
+ static_cast<PropertyAttributes>(None));
+ has_pending_exception = obj.is_null();
+ EXCEPTION_BAILOUT_CHECK(false);
+ return true;
+}
+
+
+v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) {
+ ON_BAILOUT("v8::Object::GetHiddenValue()", return Local<v8::Value>());
+ ENTER_V8;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false));
+ if (hidden_props->IsUndefined()) {
+ return v8::Local<v8::Value>();
+ }
+ i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> result = i::GetProperty(hidden_props, key_obj);
+ has_pending_exception = result.is_null();
+ EXCEPTION_BAILOUT_CHECK(v8::Local<v8::Value>());
+ if (result->IsUndefined()) {
+ return v8::Local<v8::Value>();
+ }
+ return Utils::ToLocal(result);
+}
+
+
+bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) {
+ ON_BAILOUT("v8::DeleteHiddenValue()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false));
+ if (hidden_props->IsUndefined()) {
+ return true;
+ }
+ i::Handle<i::JSObject> js_obj(i::JSObject::cast(*hidden_props));
+ i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
+ return i::DeleteProperty(js_obj, key_obj)->IsTrue();
+}
+
+
+void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) {
+ ON_BAILOUT("v8::SetElementsToPixelData()", return);
+ ENTER_V8;
+ HandleScope scope;
+ if (!ApiCheck(i::Smi::IsValid(length),
+ "v8::Object::SetIndexedPropertiesToPixelData()",
+ "length exceeds max acceptable value")) {
+ return;
+ }
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ if (!ApiCheck(!self->IsJSArray(),
+ "v8::Object::SetIndexedPropertiesToPixelData()",
+ "JSArray is not supported")) {
+ return;
+ }
+ i::Handle<i::PixelArray> pixels = i::Factory::NewPixelArray(length, data);
+ self->set_elements(*pixels);
+}
+
+
+Local<v8::Object> Function::NewInstance() const {
+ return NewInstance(0, NULL);
+}
+
+
+Local<v8::Object> Function::NewInstance(int argc,
+ v8::Handle<v8::Value> argv[]) const {
+ ON_BAILOUT("v8::Function::NewInstance()", return Local<v8::Object>());
+ LOG_API("Function::NewInstance");
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::JSFunction> function = Utils::OpenHandle(this);
+ STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
+ i::Object*** args = reinterpret_cast<i::Object***>(argv);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> returned =
+ i::Execution::New(function, argc, args, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<v8::Object>());
+ return scope.Close(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned)));
+}
+
+
+Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc,
+ v8::Handle<v8::Value> argv[]) {
+ ON_BAILOUT("v8::Function::Call()", return Local<v8::Value>());
+ LOG_API("Function::Call");
+ ENTER_V8;
+ i::Object* raw_result = NULL;
+ {
+ HandleScope scope;
+ i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
+ i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
+ STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
+ i::Object*** args = reinterpret_cast<i::Object***>(argv);
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> returned =
+ i::Execution::Call(fun, recv_obj, argc, args, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<Object>());
+ raw_result = *returned;
+ }
+ i::Handle<i::Object> result(raw_result);
+ return Utils::ToLocal(result);
+}
+
+
+void Function::SetName(v8::Handle<v8::String> name) {
+ ENTER_V8;
+ i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
+ func->shared()->set_name(*Utils::OpenHandle(*name));
+}
+
+
+Handle<Value> Function::GetName() const {
+ i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
+ return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name()));
+}
+
+
+int String::Length() const {
+ if (IsDeadCheck("v8::String::Length()")) return 0;
+ return Utils::OpenHandle(this)->length();
+}
+
+
+int String::Utf8Length() const {
+ if (IsDeadCheck("v8::String::Utf8Length()")) return 0;
+ return Utils::OpenHandle(this)->Utf8Length();
+}
+
+
+int String::WriteUtf8(char* buffer, int capacity) const {
+ if (IsDeadCheck("v8::String::WriteUtf8()")) return 0;
+ LOG_API("String::WriteUtf8");
+ ENTER_V8;
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ write_input_buffer.Reset(0, *str);
+ int len = str->length();
+ // Encode the first K - 3 bytes directly into the buffer since we
+ // know there's room for them. If no capacity is given we copy all
+ // of them here.
+ int fast_end = capacity - (unibrow::Utf8::kMaxEncodedSize - 1);
+ int i;
+ int pos = 0;
+ for (i = 0; i < len && (capacity == -1 || pos < fast_end); i++) {
+ i::uc32 c = write_input_buffer.GetNext();
+ int written = unibrow::Utf8::Encode(buffer + pos, c);
+ pos += written;
+ }
+ if (i < len) {
+ // For the last characters we need to check the length for each one
+ // because they may be longer than the remaining space in the
+ // buffer.
+ char intermediate[unibrow::Utf8::kMaxEncodedSize];
+ for (; i < len && pos < capacity; i++) {
+ i::uc32 c = write_input_buffer.GetNext();
+ int written = unibrow::Utf8::Encode(intermediate, c);
+ if (pos + written <= capacity) {
+ for (int j = 0; j < written; j++)
+ buffer[pos + j] = intermediate[j];
+ pos += written;
+ } else {
+ // We've reached the end of the buffer
+ break;
+ }
+ }
+ }
+ if (i == len && (capacity == -1 || pos < capacity))
+ buffer[pos++] = '\0';
+ return pos;
+}
+
+
+int String::WriteAscii(char* buffer, int start, int length) const {
+ if (IsDeadCheck("v8::String::WriteAscii()")) return 0;
+ LOG_API("String::WriteAscii");
+ ENTER_V8;
+ ASSERT(start >= 0 && length >= -1);
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ // Flatten the string for efficiency. This applies whether we are
+ // using StringInputBuffer or Get(i) to access the characters.
+ str->TryFlattenIfNotFlat();
+ int end = length;
+ if ( (length == -1) || (length > str->length() - start) )
+ end = str->length() - start;
+ if (end < 0) return 0;
+ write_input_buffer.Reset(start, *str);
+ int i;
+ for (i = 0; i < end; i++) {
+ char c = static_cast<char>(write_input_buffer.GetNext());
+ if (c == '\0') c = ' ';
+ buffer[i] = c;
+ }
+ if (length == -1 || i < length)
+ buffer[i] = '\0';
+ return i;
+}
+
+
+int String::Write(uint16_t* buffer, int start, int length) const {
+ if (IsDeadCheck("v8::String::Write()")) return 0;
+ LOG_API("String::Write");
+ ENTER_V8;
+ ASSERT(start >= 0 && length >= -1);
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ int end = length;
+ if ( (length == -1) || (length > str->length() - start) )
+ end = str->length() - start;
+ if (end < 0) return 0;
+ i::String::WriteToFlat(*str, buffer, start, end);
+ if (length == -1 || end < length)
+ buffer[end] = '\0';
+ return end;
+}
+
+
+bool v8::String::IsExternal() const {
+ EnsureInitialized("v8::String::IsExternal()");
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ return i::StringShape(*str).IsExternalTwoByte();
+}
+
+
+bool v8::String::IsExternalAscii() const {
+ EnsureInitialized("v8::String::IsExternalAscii()");
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ return i::StringShape(*str).IsExternalAscii();
+}
+
+
+void v8::String::VerifyExternalStringResource(
+ v8::String::ExternalStringResource* value) const {
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ v8::String::ExternalStringResource* expected;
+ if (i::StringShape(*str).IsExternalTwoByte()) {
+ void* resource = i::Handle<i::ExternalTwoByteString>::cast(str)->resource();
+ expected = reinterpret_cast<ExternalStringResource*>(resource);
+ } else {
+ expected = NULL;
+ }
+ CHECK_EQ(expected, value);
+}
+
+
+v8::String::ExternalAsciiStringResource*
+ v8::String::GetExternalAsciiStringResource() const {
+ EnsureInitialized("v8::String::GetExternalAsciiStringResource()");
+ i::Handle<i::String> str = Utils::OpenHandle(this);
+ if (i::StringShape(*str).IsExternalAscii()) {
+ void* resource = i::Handle<i::ExternalAsciiString>::cast(str)->resource();
+ return reinterpret_cast<ExternalAsciiStringResource*>(resource);
+ } else {
+ return NULL;
+ }
+}
+
+
+double Number::Value() const {
+ if (IsDeadCheck("v8::Number::Value()")) return 0;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ return obj->Number();
+}
+
+
+bool Boolean::Value() const {
+ if (IsDeadCheck("v8::Boolean::Value()")) return false;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ return obj->IsTrue();
+}
+
+
+int64_t Integer::Value() const {
+ if (IsDeadCheck("v8::Integer::Value()")) return 0;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsSmi()) {
+ return i::Smi::cast(*obj)->value();
+ } else {
+ return static_cast<int64_t>(obj->Number());
+ }
+}
+
+
+int32_t Int32::Value() const {
+ if (IsDeadCheck("v8::Int32::Value()")) return 0;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ if (obj->IsSmi()) {
+ return i::Smi::cast(*obj)->value();
+ } else {
+ return static_cast<int32_t>(obj->Number());
+ }
+}
+
+
+int v8::Object::InternalFieldCount() {
+ if (IsDeadCheck("v8::Object::InternalFieldCount()")) return 0;
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+ return obj->GetInternalFieldCount();
+}
+
+
+Local<Value> v8::Object::CheckedGetInternalField(int index) {
+ if (IsDeadCheck("v8::Object::GetInternalField()")) return Local<Value>();
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+ if (!ApiCheck(index < obj->GetInternalFieldCount(),
+ "v8::Object::GetInternalField()",
+ "Reading internal field out of bounds")) {
+ return Local<Value>();
+ }
+ i::Handle<i::Object> value(obj->GetInternalField(index));
+ Local<Value> result = Utils::ToLocal(value);
+#ifdef DEBUG
+ Local<Value> unchecked = UncheckedGetInternalField(index);
+ ASSERT(unchecked.IsEmpty() || (unchecked == result));
+#endif
+ return result;
+}
+
+
+void v8::Object::SetInternalField(int index, v8::Handle<Value> value) {
+ if (IsDeadCheck("v8::Object::SetInternalField()")) return;
+ i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+ if (!ApiCheck(index < obj->GetInternalFieldCount(),
+ "v8::Object::SetInternalField()",
+ "Writing internal field out of bounds")) {
+ return;
+ }
+ ENTER_V8;
+ i::Handle<i::Object> val = Utils::OpenHandle(*value);
+ obj->SetInternalField(index, *val);
+}
+
+
+void v8::Object::SetPointerInInternalField(int index, void* value) {
+ SetInternalField(index, External::Wrap(value));
+}
+
+
+// --- E n v i r o n m e n t ---
+
+bool v8::V8::Initialize() {
+ if (i::V8::IsRunning()) return true;
+ ENTER_V8;
+ HandleScope scope;
+ if (i::Snapshot::Initialize()) {
+ return true;
+ } else {
+ return i::V8::Initialize(NULL);
+ }
+}
+
+
+bool v8::V8::Dispose() {
+ i::V8::TearDown();
+ return true;
+}
+
+
+bool v8::V8::IdleNotification(bool is_high_priority) {
+ // Returning true tells the caller that it need not
+ // continue to call IdleNotification.
+ if (!i::V8::IsRunning()) return true;
+ return i::V8::IdleNotification(is_high_priority);
+}
+
+
+void v8::V8::LowMemoryNotification() {
+#if defined(ANDROID)
+ if (!i::V8::IsRunning()) return;
+ i::Heap::CollectAllGarbage(true);
+#endif
+}
+
+
+const char* v8::V8::GetVersion() {
+ static v8::internal::EmbeddedVector<char, 128> buffer;
+ v8::internal::Version::GetString(buffer);
+ return buffer.start();
+}
+
+
+static i::Handle<i::FunctionTemplateInfo>
+ EnsureConstructor(i::Handle<i::ObjectTemplateInfo> templ) {
+ if (templ->constructor()->IsUndefined()) {
+ Local<FunctionTemplate> constructor = FunctionTemplate::New();
+ Utils::OpenHandle(*constructor)->set_instance_template(*templ);
+ templ->set_constructor(*Utils::OpenHandle(*constructor));
+ }
+ return i::Handle<i::FunctionTemplateInfo>(
+ i::FunctionTemplateInfo::cast(templ->constructor()));
+}
+
+
+Persistent<Context> v8::Context::New(
+ v8::ExtensionConfiguration* extensions,
+ v8::Handle<ObjectTemplate> global_template,
+ v8::Handle<Value> global_object) {
+ EnsureInitialized("v8::Context::New()");
+ LOG_API("Context::New");
+ ON_BAILOUT("v8::Context::New()", return Persistent<Context>());
+
+ // Enter V8 via an ENTER_V8 scope.
+ i::Handle<i::Context> env;
+ {
+ ENTER_V8;
+#if defined(ANDROID)
+ // On mobile device, full GC is expensive, leave it to the system to
+ // decide when should make a full GC.
+#else
+ // Give the heap a chance to cleanup if we've disposed contexts.
+ i::Heap::CollectAllGarbageIfContextDisposed();
+#endif
+ v8::Handle<ObjectTemplate> proxy_template = global_template;
+ i::Handle<i::FunctionTemplateInfo> proxy_constructor;
+ i::Handle<i::FunctionTemplateInfo> global_constructor;
+
+ if (!global_template.IsEmpty()) {
+ // Make sure that the global_template has a constructor.
+ global_constructor =
+ EnsureConstructor(Utils::OpenHandle(*global_template));
+
+ // Create a fresh template for the global proxy object.
+ proxy_template = ObjectTemplate::New();
+ proxy_constructor =
+ EnsureConstructor(Utils::OpenHandle(*proxy_template));
+
+ // Set the global template to be the prototype template of
+ // global proxy template.
+ proxy_constructor->set_prototype_template(
+ *Utils::OpenHandle(*global_template));
+
+ // Migrate security handlers from global_template to
+ // proxy_template. Temporarily removing access check
+ // information from the global template.
+ if (!global_constructor->access_check_info()->IsUndefined()) {
+ proxy_constructor->set_access_check_info(
+ global_constructor->access_check_info());
+ proxy_constructor->set_needs_access_check(
+ global_constructor->needs_access_check());
+ global_constructor->set_needs_access_check(false);
+ global_constructor->set_access_check_info(i::Heap::undefined_value());
+ }
+ }
+
+ // Create the environment.
+ env = i::Bootstrapper::CreateEnvironment(
+ Utils::OpenHandle(*global_object),
+ proxy_template,
+ extensions);
+
+ // Restore the access check info on the global template.
+ if (!global_template.IsEmpty()) {
+ ASSERT(!global_constructor.is_null());
+ ASSERT(!proxy_constructor.is_null());
+ global_constructor->set_access_check_info(
+ proxy_constructor->access_check_info());
+ global_constructor->set_needs_access_check(
+ proxy_constructor->needs_access_check());
+ }
+ }
+ // Leave V8.
+
+ if (env.is_null())
+ return Persistent<Context>();
+ return Persistent<Context>(Utils::ToLocal(env));
+}
+
+
+void v8::Context::SetSecurityToken(Handle<Value> token) {
+ if (IsDeadCheck("v8::Context::SetSecurityToken()")) return;
+ ENTER_V8;
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ i::Handle<i::Object> token_handle = Utils::OpenHandle(*token);
+ env->set_security_token(*token_handle);
+}
+
+
+void v8::Context::UseDefaultSecurityToken() {
+ if (IsDeadCheck("v8::Context::UseDefaultSecurityToken()")) return;
+ ENTER_V8;
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ env->set_security_token(env->global());
+}
+
+
+Handle<Value> v8::Context::GetSecurityToken() {
+ if (IsDeadCheck("v8::Context::GetSecurityToken()")) return Handle<Value>();
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ i::Object* security_token = env->security_token();
+ i::Handle<i::Object> token_handle(security_token);
+ return Utils::ToLocal(token_handle);
+}
+
+
+bool Context::HasOutOfMemoryException() {
+ i::Handle<i::Context> env = Utils::OpenHandle(this);
+ return env->has_out_of_memory();
+}
+
+
+bool Context::InContext() {
+ return i::Top::context() != NULL;
+}
+
+
+v8::Local<v8::Context> Context::GetEntered() {
+ if (IsDeadCheck("v8::Context::GetEntered()")) return Local<Context>();
+ i::Handle<i::Object> last = thread_local.LastEnteredContext();
+ if (last.is_null()) return Local<Context>();
+ i::Handle<i::Context> context = i::Handle<i::Context>::cast(last);
+ return Utils::ToLocal(context);
+}
+
+
+v8::Local<v8::Context> Context::GetCurrent() {
+ if (IsDeadCheck("v8::Context::GetCurrent()")) return Local<Context>();
+ i::Handle<i::Context> context(i::Top::global_context());
+ return Utils::ToLocal(context);
+}
+
+
+v8::Local<v8::Context> Context::GetCalling() {
+ if (IsDeadCheck("v8::Context::GetCalling()")) return Local<Context>();
+ i::Handle<i::Object> calling = i::Top::GetCallingGlobalContext();
+ if (calling.is_null()) return Local<Context>();
+ i::Handle<i::Context> context = i::Handle<i::Context>::cast(calling);
+ return Utils::ToLocal(context);
+}
+
+
+v8::Local<v8::Object> Context::Global() {
+ if (IsDeadCheck("v8::Context::Global()")) return Local<v8::Object>();
+ i::Object** ctx = reinterpret_cast<i::Object**>(this);
+ i::Handle<i::Context> context =
+ i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
+ i::Handle<i::Object> global(context->global_proxy());
+ return Utils::ToLocal(i::Handle<i::JSObject>::cast(global));
+}
+
+
+void Context::DetachGlobal() {
+ if (IsDeadCheck("v8::Context::DetachGlobal()")) return;
+ ENTER_V8;
+ i::Object** ctx = reinterpret_cast<i::Object**>(this);
+ i::Handle<i::Context> context =
+ i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
+ i::Bootstrapper::DetachGlobal(context);
+}
+
+
+Local<v8::Object> ObjectTemplate::NewInstance() {
+ ON_BAILOUT("v8::ObjectTemplate::NewInstance()", return Local<v8::Object>());
+ LOG_API("ObjectTemplate::NewInstance");
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj =
+ i::Execution::InstantiateObject(Utils::OpenHandle(this),
+ &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<v8::Object>());
+ return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj));
+}
+
+
+Local<v8::Function> FunctionTemplate::GetFunction() {
+ ON_BAILOUT("v8::FunctionTemplate::GetFunction()",
+ return Local<v8::Function>());
+ LOG_API("FunctionTemplate::GetFunction");
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj =
+ i::Execution::InstantiateFunction(Utils::OpenHandle(this),
+ &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<v8::Function>());
+ return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj));
+}
+
+
+bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) {
+ ON_BAILOUT("v8::FunctionTemplate::HasInstanceOf()", return false);
+ i::Object* obj = *Utils::OpenHandle(*value);
+ return obj->IsInstanceOf(*Utils::OpenHandle(this));
+}
+
+
+static Local<External> ExternalNewImpl(void* data) {
+ return Utils::ToLocal(i::Factory::NewProxy(static_cast<i::Address>(data)));
+}
+
+static void* ExternalValueImpl(i::Handle<i::Object> obj) {
+ return reinterpret_cast<void*>(i::Proxy::cast(*obj)->proxy());
+}
+
+
+static const intptr_t kAlignedPointerMask = 3;
+
+Local<Value> v8::External::Wrap(void* data) {
+ STATIC_ASSERT(sizeof(data) == sizeof(i::Address));
+ LOG_API("External::Wrap");
+ EnsureInitialized("v8::External::Wrap()");
+ ENTER_V8;
+ if ((reinterpret_cast<intptr_t>(data) & kAlignedPointerMask) == 0) {
+ uintptr_t data_ptr = reinterpret_cast<uintptr_t>(data);
+ intptr_t data_value =
+ static_cast<intptr_t>(data_ptr >> i::Internals::kAlignedPointerShift);
+ STATIC_ASSERT(sizeof(data_ptr) == sizeof(data_value));
+ if (i::Smi::IsIntptrValid(data_value)) {
+ i::Handle<i::Object> obj(i::Smi::FromIntptr(data_value));
+ return Utils::ToLocal(obj);
+ }
+ }
+ return ExternalNewImpl(data);
+}
+
+
+void* v8::External::FullUnwrap(v8::Handle<v8::Value> wrapper) {
+ if (IsDeadCheck("v8::External::Unwrap()")) return 0;
+ i::Handle<i::Object> obj = Utils::OpenHandle(*wrapper);
+ void* result;
+ if (obj->IsSmi()) {
+ // The external value was an aligned pointer.
+ uintptr_t value = static_cast<uintptr_t>(
+ i::Smi::cast(*obj)->value()) << i::Internals::kAlignedPointerShift;
+ result = reinterpret_cast<void*>(value);
+ } else if (obj->IsProxy()) {
+ result = ExternalValueImpl(obj);
+ } else {
+ result = NULL;
+ }
+ ASSERT_EQ(result, QuickUnwrap(wrapper));
+ return result;
+}
+
+
+Local<External> v8::External::New(void* data) {
+ STATIC_ASSERT(sizeof(data) == sizeof(i::Address));
+ LOG_API("External::New");
+ EnsureInitialized("v8::External::New()");
+ ENTER_V8;
+ return ExternalNewImpl(data);
+}
+
+
+void* External::Value() const {
+ if (IsDeadCheck("v8::External::Value()")) return 0;
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ return ExternalValueImpl(obj);
+}
+
+
+Local<String> v8::String::Empty() {
+ EnsureInitialized("v8::String::Empty()");
+ LOG_API("String::Empty()");
+ return Utils::ToLocal(i::Factory::empty_symbol());
+}
+
+
+Local<String> v8::String::New(const char* data, int length) {
+ EnsureInitialized("v8::String::New()");
+ LOG_API("String::New(char)");
+ if (length == 0) return Empty();
+ ENTER_V8;
+ if (length == -1) length = strlen(data);
+ i::Handle<i::String> result =
+ i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length));
+ return Utils::ToLocal(result);
+}
+
+
+Local<String> v8::String::NewUndetectable(const char* data, int length) {
+ EnsureInitialized("v8::String::NewUndetectable()");
+ LOG_API("String::NewUndetectable(char)");
+ ENTER_V8;
+ if (length == -1) length = strlen(data);
+ i::Handle<i::String> result =
+ i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length));
+ result->MarkAsUndetectable();
+ return Utils::ToLocal(result);
+}
+
+
+static int TwoByteStringLength(const uint16_t* data) {
+ int length = 0;
+ while (data[length] != '\0') length++;
+ return length;
+}
+
+
+Local<String> v8::String::New(const uint16_t* data, int length) {
+ EnsureInitialized("v8::String::New()");
+ LOG_API("String::New(uint16_)");
+ if (length == 0) return Empty();
+ ENTER_V8;
+ if (length == -1) length = TwoByteStringLength(data);
+ i::Handle<i::String> result =
+ i::Factory::NewStringFromTwoByte(i::Vector<const uint16_t>(data, length));
+ return Utils::ToLocal(result);
+}
+
+
+Local<String> v8::String::NewUndetectable(const uint16_t* data, int length) {
+ EnsureInitialized("v8::String::NewUndetectable()");
+ LOG_API("String::NewUndetectable(uint16_)");
+ ENTER_V8;
+ if (length == -1) length = TwoByteStringLength(data);
+ i::Handle<i::String> result =
+ i::Factory::NewStringFromTwoByte(i::Vector<const uint16_t>(data, length));
+ result->MarkAsUndetectable();
+ return Utils::ToLocal(result);
+}
+
+
+i::Handle<i::String> NewExternalStringHandle(
+ v8::String::ExternalStringResource* resource) {
+ i::Handle<i::String> result =
+ i::Factory::NewExternalStringFromTwoByte(resource);
+ return result;
+}
+
+
+i::Handle<i::String> NewExternalAsciiStringHandle(
+ v8::String::ExternalAsciiStringResource* resource) {
+ i::Handle<i::String> result =
+ i::Factory::NewExternalStringFromAscii(resource);
+ return result;
+}
+
+
+static void DisposeExternalString(v8::Persistent<v8::Value> obj,
+ void* parameter) {
+ ENTER_V8;
+ i::ExternalTwoByteString* str =
+ i::ExternalTwoByteString::cast(*Utils::OpenHandle(*obj));
+
+ // External symbols are deleted when they are pruned out of the symbol
+ // table. Generally external symbols are not registered with the weak handle
+ // callbacks unless they are upgraded to a symbol after being externalized.
+ if (!str->IsSymbol()) {
+ v8::String::ExternalStringResource* resource =
+ reinterpret_cast<v8::String::ExternalStringResource*>(parameter);
+ if (resource != NULL) {
+ const size_t total_size = resource->length() * sizeof(*resource->data());
+ i::Counters::total_external_string_memory.Decrement(total_size);
+
+ // The object will continue to live in the JavaScript heap until the
+ // handle is entirely cleaned out by the next GC. For example the
+ // destructor for the resource below could bring it back to life again.
+ // Which is why we make sure to not have a dangling pointer here.
+ str->set_resource(NULL);
+ delete resource;
+ }
+ }
+
+ // In any case we do not need this handle any longer.
+ obj.Dispose();
+}
+
+
+static void DisposeExternalAsciiString(v8::Persistent<v8::Value> obj,
+ void* parameter) {
+ ENTER_V8;
+ i::ExternalAsciiString* str =
+ i::ExternalAsciiString::cast(*Utils::OpenHandle(*obj));
+
+ // External symbols are deleted when they are pruned out of the symbol
+ // table. Generally external symbols are not registered with the weak handle
+ // callbacks unless they are upgraded to a symbol after being externalized.
+ if (!str->IsSymbol()) {
+ v8::String::ExternalAsciiStringResource* resource =
+ reinterpret_cast<v8::String::ExternalAsciiStringResource*>(parameter);
+ if (resource != NULL) {
+ const size_t total_size = resource->length() * sizeof(*resource->data());
+ i::Counters::total_external_string_memory.Decrement(total_size);
+
+ // The object will continue to live in the JavaScript heap until the
+ // handle is entirely cleaned out by the next GC. For example the
+ // destructor for the resource below could bring it back to life again.
+ // Which is why we make sure to not have a dangling pointer here.
+ str->set_resource(NULL);
+ delete resource;
+ }
+ }
+
+ // In any case we do not need this handle any longer.
+ obj.Dispose();
+}
+
+
+Local<String> v8::String::NewExternal(
+ v8::String::ExternalStringResource* resource) {
+ EnsureInitialized("v8::String::NewExternal()");
+ LOG_API("String::NewExternal");
+ ENTER_V8;
+ const size_t total_size = resource->length() * sizeof(*resource->data());
+ i::Counters::total_external_string_memory.Increment(total_size);
+ i::Handle<i::String> result = NewExternalStringHandle(resource);
+ i::Handle<i::Object> handle = i::GlobalHandles::Create(*result);
+ i::GlobalHandles::MakeWeak(handle.location(),
+ resource,
+ &DisposeExternalString);
+ return Utils::ToLocal(result);
+}
+
+
+bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) {
+ if (IsDeadCheck("v8::String::MakeExternal()")) return false;
+ if (this->IsExternal()) return false; // Already an external string.
+ ENTER_V8;
+ i::Handle<i::String> obj = Utils::OpenHandle(this);
+ bool result = obj->MakeExternal(resource);
+ if (result && !obj->IsSymbol()) {
+ // Operation was successful and the string is not a symbol. In this case
+ // we need to make sure that the we call the destructor for the external
+ // resource when no strong references to the string remain.
+ i::Handle<i::Object> handle = i::GlobalHandles::Create(*obj);
+ i::GlobalHandles::MakeWeak(handle.location(),
+ resource,
+ &DisposeExternalString);
+ }
+ return result;
+}
+
+
+Local<String> v8::String::NewExternal(
+ v8::String::ExternalAsciiStringResource* resource) {
+ EnsureInitialized("v8::String::NewExternal()");
+ LOG_API("String::NewExternal");
+ ENTER_V8;
+ const size_t total_size = resource->length() * sizeof(*resource->data());
+ i::Counters::total_external_string_memory.Increment(total_size);
+ i::Handle<i::String> result = NewExternalAsciiStringHandle(resource);
+ i::Handle<i::Object> handle = i::GlobalHandles::Create(*result);
+ i::GlobalHandles::MakeWeak(handle.location(),
+ resource,
+ &DisposeExternalAsciiString);
+ return Utils::ToLocal(result);
+}
+
+
+bool v8::String::MakeExternal(
+ v8::String::ExternalAsciiStringResource* resource) {
+ if (IsDeadCheck("v8::String::MakeExternal()")) return false;
+ if (this->IsExternal()) return false; // Already an external string.
+ ENTER_V8;
+ i::Handle<i::String> obj = Utils::OpenHandle(this);
+ bool result = obj->MakeExternal(resource);
+ if (result && !obj->IsSymbol()) {
+ // Operation was successful and the string is not a symbol. In this case
+ // we need to make sure that the we call the destructor for the external
+ // resource when no strong references to the string remain.
+ i::Handle<i::Object> handle = i::GlobalHandles::Create(*obj);
+ i::GlobalHandles::MakeWeak(handle.location(),
+ resource,
+ &DisposeExternalAsciiString);
+ }
+ return result;
+}
+
+
+bool v8::String::CanMakeExternal() {
+ if (IsDeadCheck("v8::String::CanMakeExternal()")) return false;
+ i::Handle<i::String> obj = Utils::OpenHandle(this);
+ int size = obj->Size(); // Byte size of the original string.
+ if (size < i::ExternalString::kSize)
+ return false;
+ i::StringShape shape(*obj);
+ return !shape.IsExternal();
+}
+
+
+Local<v8::Object> v8::Object::New() {
+ EnsureInitialized("v8::Object::New()");
+ LOG_API("Object::New");
+ ENTER_V8;
+ i::Handle<i::JSObject> obj =
+ i::Factory::NewJSObject(i::Top::object_function());
+ return Utils::ToLocal(obj);
+}
+
+
+Local<v8::Value> v8::Date::New(double time) {
+ EnsureInitialized("v8::Date::New()");
+ LOG_API("Date::New");
+ ENTER_V8;
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::Object> obj =
+ i::Execution::NewDate(time, &has_pending_exception);
+ EXCEPTION_BAILOUT_CHECK(Local<v8::Value>());
+ return Utils::ToLocal(obj);
+}
+
+
+double v8::Date::NumberValue() const {
+ if (IsDeadCheck("v8::Date::NumberValue()")) return 0;
+ LOG_API("Date::NumberValue");
+ i::Handle<i::Object> obj = Utils::OpenHandle(this);
+ i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
+ return jsvalue->value()->Number();
+}
+
+
+Local<v8::Array> v8::Array::New(int length) {
+ EnsureInitialized("v8::Array::New()");
+ LOG_API("Array::New");
+ ENTER_V8;
+ i::Handle<i::JSArray> obj = i::Factory::NewJSArray(length);
+ return Utils::ToLocal(obj);
+}
+
+
+uint32_t v8::Array::Length() const {
+ if (IsDeadCheck("v8::Array::Length()")) return 0;
+ i::Handle<i::JSArray> obj = Utils::OpenHandle(this);
+ i::Object* length = obj->length();
+ if (length->IsSmi()) {
+ return i::Smi::cast(length)->value();
+ } else {
+ return static_cast<uint32_t>(length->Number());
+ }
+}
+
+
+Local<Object> Array::CloneElementAt(uint32_t index) {
+ ON_BAILOUT("v8::Array::CloneElementAt()", return Local<Object>());
+ i::Handle<i::JSObject> self = Utils::OpenHandle(this);
+ if (!self->HasFastElements()) {
+ return Local<Object>();
+ }
+ i::FixedArray* elms = i::FixedArray::cast(self->elements());
+ i::Object* paragon = elms->get(index);
+ if (!paragon->IsJSObject()) {
+ return Local<Object>();
+ }
+ i::Handle<i::JSObject> paragon_handle(i::JSObject::cast(paragon));
+ EXCEPTION_PREAMBLE();
+ i::Handle<i::JSObject> result = i::Copy(paragon_handle);
+ has_pending_exception = result.is_null();
+ EXCEPTION_BAILOUT_CHECK(Local<Object>());
+ return Utils::ToLocal(result);
+}
+
+
+Local<String> v8::String::NewSymbol(const char* data, int length) {
+ EnsureInitialized("v8::String::NewSymbol()");
+ LOG_API("String::NewSymbol(char)");
+ ENTER_V8;
+ if (length == -1) length = strlen(data);
+ i::Handle<i::String> result =
+ i::Factory::LookupSymbol(i::Vector<const char>(data, length));
+ return Utils::ToLocal(result);
+}
+
+
+Local<Number> v8::Number::New(double value) {
+ EnsureInitialized("v8::Number::New()");
+ ENTER_V8;
+ i::Handle<i::Object> result = i::Factory::NewNumber(value);
+ return Utils::NumberToLocal(result);
+}
+
+
+Local<Integer> v8::Integer::New(int32_t value) {
+ EnsureInitialized("v8::Integer::New()");
+ if (i::Smi::IsValid(value)) {
+ return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value)));
+ }
+ ENTER_V8;
+ i::Handle<i::Object> result = i::Factory::NewNumber(value);
+ return Utils::IntegerToLocal(result);
+}
+
+
+void V8::IgnoreOutOfMemoryException() {
+ thread_local.set_ignore_out_of_memory(true);
+}
+
+
+bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) {
+ EnsureInitialized("v8::V8::AddMessageListener()");
+ ON_BAILOUT("v8::V8::AddMessageListener()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ NeanderArray listeners(i::Factory::message_listeners());
+ NeanderObject obj(2);
+ obj.set(0, *i::Factory::NewProxy(FUNCTION_ADDR(that)));
+ obj.set(1, data.IsEmpty() ?
+ i::Heap::undefined_value() :
+ *Utils::OpenHandle(*data));
+ listeners.add(obj.value());
+ return true;
+}
+
+
+void V8::RemoveMessageListeners(MessageCallback that) {
+ EnsureInitialized("v8::V8::RemoveMessageListener()");
+ ON_BAILOUT("v8::V8::RemoveMessageListeners()", return);
+ ENTER_V8;
+ HandleScope scope;
+ NeanderArray listeners(i::Factory::message_listeners());
+ for (int i = 0; i < listeners.length(); i++) {
+ if (listeners.get(i)->IsUndefined()) continue; // skip deleted ones
+
+ NeanderObject listener(i::JSObject::cast(listeners.get(i)));
+ i::Handle<i::Proxy> callback_obj(i::Proxy::cast(listener.get(0)));
+ if (callback_obj->proxy() == FUNCTION_ADDR(that)) {
+ listeners.set(i, i::Heap::undefined_value());
+ }
+ }
+}
+
+
+void V8::SetCounterFunction(CounterLookupCallback callback) {
+ if (IsDeadCheck("v8::V8::SetCounterFunction()")) return;
+ i::StatsTable::SetCounterFunction(callback);
+}
+
+void V8::SetCreateHistogramFunction(CreateHistogramCallback callback) {
+ if (IsDeadCheck("v8::V8::SetCreateHistogramFunction()")) return;
+ i::StatsTable::SetCreateHistogramFunction(callback);
+}
+
+void V8::SetAddHistogramSampleFunction(AddHistogramSampleCallback callback) {
+ if (IsDeadCheck("v8::V8::SetAddHistogramSampleFunction()")) return;
+ i::StatsTable::SetAddHistogramSampleFunction(callback);
+}
+
+void V8::EnableSlidingStateWindow() {
+ if (IsDeadCheck("v8::V8::EnableSlidingStateWindow()")) return;
+ i::Logger::EnableSlidingStateWindow();
+}
+
+
+void V8::SetFailedAccessCheckCallbackFunction(
+ FailedAccessCheckCallback callback) {
+ if (IsDeadCheck("v8::V8::SetFailedAccessCheckCallbackFunction()")) return;
+ i::Top::SetFailedAccessCheckCallback(callback);
+}
+
+
+void V8::AddObjectGroup(Persistent<Value>* objects, size_t length) {
+ if (IsDeadCheck("v8::V8::AddObjectGroup()")) return;
+ STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**));
+ i::GlobalHandles::AddGroup(reinterpret_cast<i::Object***>(objects), length);
+}
+
+
+int V8::AdjustAmountOfExternalAllocatedMemory(int change_in_bytes) {
+ if (IsDeadCheck("v8::V8::AdjustAmountOfExternalAllocatedMemory()")) return 0;
+ return i::Heap::AdjustAmountOfExternalAllocatedMemory(change_in_bytes);
+}
+
+
+void V8::SetGlobalGCPrologueCallback(GCCallback callback) {
+ if (IsDeadCheck("v8::V8::SetGlobalGCPrologueCallback()")) return;
+ i::Heap::SetGlobalGCPrologueCallback(callback);
+}
+
+
+void V8::SetGlobalGCEpilogueCallback(GCCallback callback) {
+ if (IsDeadCheck("v8::V8::SetGlobalGCEpilogueCallback()")) return;
+ i::Heap::SetGlobalGCEpilogueCallback(callback);
+}
+
+
+void V8::PauseProfiler() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ i::Logger::PauseProfiler(PROFILER_MODULE_CPU);
+#endif
+}
+
+
+void V8::ResumeProfiler() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ i::Logger::ResumeProfiler(PROFILER_MODULE_CPU);
+#endif
+}
+
+
+bool V8::IsProfilerPaused() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ return i::Logger::GetActiveProfilerModules() & PROFILER_MODULE_CPU;
+#else
+ return true;
+#endif
+}
+
+
+void V8::ResumeProfilerEx(int flags) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ if (flags & PROFILER_MODULE_HEAP_SNAPSHOT) {
+ // Snapshot mode: resume modules, perform GC, then pause only
+ // those modules which haven't been started prior to making a
+ // snapshot.
+
+ // Reset snapshot flag and CPU module flags.
+ flags &= ~(PROFILER_MODULE_HEAP_SNAPSHOT | PROFILER_MODULE_CPU);
+ const int current_flags = i::Logger::GetActiveProfilerModules();
+ i::Logger::ResumeProfiler(flags);
+ i::Heap::CollectAllGarbage(false);
+ i::Logger::PauseProfiler(~current_flags & flags);
+ } else {
+ i::Logger::ResumeProfiler(flags);
+ }
+#endif
+}
+
+
+void V8::PauseProfilerEx(int flags) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ i::Logger::PauseProfiler(flags);
+#endif
+}
+
+
+int V8::GetActiveProfilerModules() {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ return i::Logger::GetActiveProfilerModules();
+#else
+ return PROFILER_MODULE_NONE;
+#endif
+}
+
+
+int V8::GetLogLines(int from_pos, char* dest_buf, int max_size) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
+ return i::Logger::GetLogLines(from_pos, dest_buf, max_size);
+#endif
+ return 0;
+}
+
+
+int V8::GetCurrentThreadId() {
+ API_ENTRY_CHECK("V8::GetCurrentThreadId()");
+ EnsureInitialized("V8::GetCurrentThreadId()");
+ return i::Top::thread_id();
+}
+
+
+void V8::TerminateExecution(int thread_id) {
+ if (!i::V8::IsRunning()) return;
+ API_ENTRY_CHECK("V8::GetCurrentThreadId()");
+ // If the thread_id identifies the current thread just terminate
+ // execution right away. Otherwise, ask the thread manager to
+ // terminate the thread with the given id if any.
+ if (thread_id == i::Top::thread_id()) {
+ i::StackGuard::TerminateExecution();
+ } else {
+ i::ThreadManager::TerminateExecution(thread_id);
+ }
+}
+
+
+void V8::TerminateExecution() {
+ if (!i::V8::IsRunning()) return;
+ i::StackGuard::TerminateExecution();
+}
+
+
+String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj) {
+ EnsureInitialized("v8::String::Utf8Value::Utf8Value()");
+ if (obj.IsEmpty()) {
+ str_ = NULL;
+ length_ = 0;
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ TryCatch try_catch;
+ Handle<String> str = obj->ToString();
+ if (str.IsEmpty()) {
+ str_ = NULL;
+ length_ = 0;
+ } else {
+ length_ = str->Utf8Length();
+ str_ = i::NewArray<char>(length_ + 1);
+ str->WriteUtf8(str_);
+ }
+}
+
+
+String::Utf8Value::~Utf8Value() {
+ i::DeleteArray(str_);
+}
+
+
+String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj) {
+ EnsureInitialized("v8::String::AsciiValue::AsciiValue()");
+ if (obj.IsEmpty()) {
+ str_ = NULL;
+ length_ = 0;
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ TryCatch try_catch;
+ Handle<String> str = obj->ToString();
+ if (str.IsEmpty()) {
+ str_ = NULL;
+ length_ = 0;
+ } else {
+ length_ = str->Length();
+ str_ = i::NewArray<char>(length_ + 1);
+ str->WriteAscii(str_);
+ }
+}
+
+
+String::AsciiValue::~AsciiValue() {
+ i::DeleteArray(str_);
+}
+
+
+String::Value::Value(v8::Handle<v8::Value> obj) {
+ EnsureInitialized("v8::String::Value::Value()");
+ if (obj.IsEmpty()) {
+ str_ = NULL;
+ length_ = 0;
+ return;
+ }
+ ENTER_V8;
+ HandleScope scope;
+ TryCatch try_catch;
+ Handle<String> str = obj->ToString();
+ if (str.IsEmpty()) {
+ str_ = NULL;
+ length_ = 0;
+ } else {
+ length_ = str->Length();
+ str_ = i::NewArray<uint16_t>(length_ + 1);
+ str->Write(str_);
+ }
+}
+
+
+String::Value::~Value() {
+ i::DeleteArray(str_);
+}
+
+Local<Value> Exception::RangeError(v8::Handle<v8::String> raw_message) {
+ LOG_API("RangeError");
+ ON_BAILOUT("v8::Exception::RangeError()", return Local<Value>());
+ ENTER_V8;
+ i::Object* error;
+ {
+ HandleScope scope;
+ i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
+ i::Handle<i::Object> result = i::Factory::NewRangeError(message);
+ error = *result;
+ }
+ i::Handle<i::Object> result(error);
+ return Utils::ToLocal(result);
+}
+
+Local<Value> Exception::ReferenceError(v8::Handle<v8::String> raw_message) {
+ LOG_API("ReferenceError");
+ ON_BAILOUT("v8::Exception::ReferenceError()", return Local<Value>());
+ ENTER_V8;
+ i::Object* error;
+ {
+ HandleScope scope;
+ i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
+ i::Handle<i::Object> result = i::Factory::NewReferenceError(message);
+ error = *result;
+ }
+ i::Handle<i::Object> result(error);
+ return Utils::ToLocal(result);
+}
+
+Local<Value> Exception::SyntaxError(v8::Handle<v8::String> raw_message) {
+ LOG_API("SyntaxError");
+ ON_BAILOUT("v8::Exception::SyntaxError()", return Local<Value>());
+ ENTER_V8;
+ i::Object* error;
+ {
+ HandleScope scope;
+ i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
+ i::Handle<i::Object> result = i::Factory::NewSyntaxError(message);
+ error = *result;
+ }
+ i::Handle<i::Object> result(error);
+ return Utils::ToLocal(result);
+}
+
+Local<Value> Exception::TypeError(v8::Handle<v8::String> raw_message) {
+ LOG_API("TypeError");
+ ON_BAILOUT("v8::Exception::TypeError()", return Local<Value>());
+ ENTER_V8;
+ i::Object* error;
+ {
+ HandleScope scope;
+ i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
+ i::Handle<i::Object> result = i::Factory::NewTypeError(message);
+ error = *result;
+ }
+ i::Handle<i::Object> result(error);
+ return Utils::ToLocal(result);
+}
+
+Local<Value> Exception::Error(v8::Handle<v8::String> raw_message) {
+ LOG_API("Error");
+ ON_BAILOUT("v8::Exception::Error()", return Local<Value>());
+ ENTER_V8;
+ i::Object* error;
+ {
+ HandleScope scope;
+ i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
+ i::Handle<i::Object> result = i::Factory::NewError(message);
+ error = *result;
+ }
+ i::Handle<i::Object> result(error);
+ return Utils::ToLocal(result);
+}
+
+
+// --- D e b u g S u p p o r t ---
+
+#ifdef ENABLE_DEBUGGER_SUPPORT
+bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) {
+ EnsureInitialized("v8::Debug::SetDebugEventListener()");
+ ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false);
+ ENTER_V8;
+ HandleScope scope;
+ i::Handle<i::Object> proxy = i::Factory::undefined_value();
+ if (that != NULL) {
+ proxy = i::Factory::NewProxy(FUNCTION_ADDR(that));
+ }
+ i::Debugger::SetEventListener(proxy, Utils::OpenHandle(*data));
+ return true;
+}
+
+
+bool Debug::SetDebugEventListener(v8::Handle<v8::Object> that,
+ Handle<Value> data) {
+ ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false);
+ ENTER_V8;
+ i::Debugger::SetEventListener(Utils::OpenHandle(*that),
+ Utils::OpenHandle(*data));
+ return true;
+}
+
+
+void Debug::DebugBreak() {
+ if (!i::V8::IsRunning()) return;
+ i::StackGuard::DebugBreak();
+}
+
+
+static v8::Debug::MessageHandler message_handler = NULL;
+
+static void MessageHandlerWrapper(const v8::Debug::Message& message) {
+ if (message_handler) {
+ v8::String::Value json(message.GetJSON());
+ message_handler(*json, json.length(), message.GetClientData());
+ }
+}
+
+
+void Debug::SetMessageHandler(v8::Debug::MessageHandler handler,
+ bool message_handler_thread) {
+ EnsureInitialized("v8::Debug::SetMessageHandler");
+ ENTER_V8;
+ // Message handler thread not supported any more. Parameter temporally left in
+ // the API for client compatability reasons.
+ CHECK(!message_handler_thread);
+
+ // TODO(sgjesse) support the old message handler API through a simple wrapper.
+ message_handler = handler;
+ if (message_handler != NULL) {
+ i::Debugger::SetMessageHandler(MessageHandlerWrapper);
+ } else {
+ i::Debugger::SetMessageHandler(NULL);
+ }
+}
+
+
+void Debug::SetMessageHandler2(v8::Debug::MessageHandler2 handler) {
+ EnsureInitialized("v8::Debug::SetMessageHandler");
+ ENTER_V8;
+ HandleScope scope;
+ i::Debugger::SetMessageHandler(handler);
+}
+
+
+void Debug::SendCommand(const uint16_t* command, int length,
+ ClientData* client_data) {
+ if (!i::V8::IsRunning()) return;
+ i::Debugger::ProcessCommand(i::Vector<const uint16_t>(command, length),
+ client_data);
+}
+
+
+void Debug::SetHostDispatchHandler(HostDispatchHandler handler,
+ int period) {
+ EnsureInitialized("v8::Debug::SetHostDispatchHandler");
+ ENTER_V8;
+ i::Debugger::SetHostDispatchHandler(handler, period);
+}
+
+
+Local<Value> Debug::Call(v8::Handle<v8::Function> fun,
+ v8::Handle<v8::Value> data) {
+ if (!i::V8::IsRunning()) return Local<Value>();
+ ON_BAILOUT("v8::Debug::Call()", return Local<Value>());
+ ENTER_V8;
+ i::Handle<i::Object> result;
+ EXCEPTION_PREAMBLE();
+ if (data.IsEmpty()) {
+ result = i::Debugger::Call(Utils::OpenHandle(*fun),
+ i::Factory::undefined_value(),
+ &has_pending_exception);
+ } else {
+ result = i::Debugger::Call(Utils::OpenHandle(*fun),
+ Utils::OpenHandle(*data),
+ &has_pending_exception);
+ }
+ EXCEPTION_BAILOUT_CHECK(Local<Value>());
+ return Utils::ToLocal(result);
+}
+
+
+Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) {
+ if (!i::V8::IsRunning()) return Local<Value>();
+ ON_BAILOUT("v8::Debug::GetMirror()", return Local<Value>());
+ ENTER_V8;
+ v8::HandleScope scope;
+ i::Debug::Load();
+ i::Handle<i::JSObject> debug(i::Debug::debug_context()->global());
+ i::Handle<i::String> name = i::Factory::LookupAsciiSymbol("MakeMirror");
+ i::Handle<i::Object> fun_obj = i::GetProperty(debug, name);
+ i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj);
+ v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun);
+ const int kArgc = 1;
+ v8::Handle<v8::Value> argv[kArgc] = { obj };
+ EXCEPTION_PREAMBLE();
+ v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug),
+ kArgc,
+ argv);
+ EXCEPTION_BAILOUT_CHECK(Local<Value>());
+ return scope.Close(result);
+}
+
+
+bool Debug::EnableAgent(const char* name, int port) {
+ return i::Debugger::StartAgent(name, port);
+}
+#endif // ENABLE_DEBUGGER_SUPPORT
+
+namespace internal {
+
+
+HandleScopeImplementer* HandleScopeImplementer::instance() {
+ return &thread_local;
+}
+
+
+void HandleScopeImplementer::FreeThreadResources() {
+ thread_local.Free();
+}
+
+
+char* HandleScopeImplementer::ArchiveThread(char* storage) {
+ return thread_local.ArchiveThreadHelper(storage);
+}
+
+
+char* HandleScopeImplementer::ArchiveThreadHelper(char* storage) {
+ v8::ImplementationUtilities::HandleScopeData* current =
+ v8::ImplementationUtilities::CurrentHandleScope();
+ handle_scope_data_ = *current;
+ memcpy(storage, this, sizeof(*this));
+
+ ResetAfterArchive();
+ current->Initialize();
+
+ return storage + ArchiveSpacePerThread();
+}
+
+
+int HandleScopeImplementer::ArchiveSpacePerThread() {
+ return sizeof(thread_local);
+}
+
+
+char* HandleScopeImplementer::RestoreThread(char* storage) {
+ return thread_local.RestoreThreadHelper(storage);
+}
+
+
+char* HandleScopeImplementer::RestoreThreadHelper(char* storage) {
+ memcpy(this, storage, sizeof(*this));
+ *v8::ImplementationUtilities::CurrentHandleScope() = handle_scope_data_;
+ return storage + ArchiveSpacePerThread();
+}
+
+
+void HandleScopeImplementer::IterateThis(ObjectVisitor* v) {
+ // Iterate over all handles in the blocks except for the last.
+ for (int i = blocks()->length() - 2; i >= 0; --i) {
+ Object** block = blocks()->at(i);
+ v->VisitPointers(block, &block[kHandleBlockSize]);
+ }
+
+ // Iterate over live handles in the last block (if any).
+ if (!blocks()->is_empty()) {
+ v->VisitPointers(blocks()->last(), handle_scope_data_.next);
+ }
+
+ if (!saved_contexts_.is_empty()) {
+ Object** start = reinterpret_cast<Object**>(&saved_contexts_.first());
+ v->VisitPointers(start, start + saved_contexts_.length());
+ }
+}
+
+
+void HandleScopeImplementer::Iterate(ObjectVisitor* v) {
+ v8::ImplementationUtilities::HandleScopeData* current =
+ v8::ImplementationUtilities::CurrentHandleScope();
+ thread_local.handle_scope_data_ = *current;
+ thread_local.IterateThis(v);
+}
+
+
+char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
+ HandleScopeImplementer* thread_local =
+ reinterpret_cast<HandleScopeImplementer*>(storage);
+ thread_local->IterateThis(v);
+ return storage + ArchiveSpacePerThread();
+}
+
+} } // namespace v8::internal