| // Copyright 2007-2008 Google Inc. 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 "bootstrapper.h" |
| #include "compiler.h" |
| #include "debug.h" |
| #include "execution.h" |
| #include "global-handles.h" |
| #include "platform.h" |
| #include "serialize.h" |
| #include "snapshot.h" |
| |
| |
| namespace i = v8::internal; |
| #define LOG_API(expr) LOG(ApiEntryCall(expr)) |
| |
| |
| 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.IgnoreOutOfMemory()) \ |
| i::V8::FatalProcessOutOfMemory(NULL); \ |
| } \ |
| bool call_depth_is_zero = thread_local.CallDepthIsZero(); \ |
| i::Top::optional_reschedule_exception(call_depth_is_zero); \ |
| return value; \ |
| } \ |
| } 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 bool has_shut_down = false; |
| static FatalErrorCallback exception_behavior = NULL; |
| |
| |
| static void DefaultFatalErrorHandler(const char* location, |
| const char* message) { |
| 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) { |
| has_shut_down = true; |
| FatalErrorCallback callback = GetFatalErrorHandler(); |
| 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); |
| has_shut_down = true; |
| return false; |
| } |
| |
| |
| bool V8::IsDead() { |
| return has_shut_down; |
| } |
| |
| |
| 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 useable"); |
| 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 useable. 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 has_shut_down ? 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, v8::Data* obj) { |
| return (obj == 0) ? ReportEmptyHandle(location) : false; |
| } |
| |
| // --- S t a t i c s --- |
| |
| |
| static i::StringInputBuffer write_input_buffer; |
| |
| |
| static void EnsureInitialized(const char* location) { |
| if (IsDeadCheck(location)) return; |
| ApiCheck(v8::V8::Initialize(), location, "Error initializing V8"); |
| } |
| |
| |
| v8::Handle<v8::Primitive> ImplementationUtilities::Undefined() { |
| if (IsDeadCheck("v8::Undefined()")) return v8::Handle<v8::Primitive>(); |
| EnsureInitialized("v8::Undefined()"); |
| return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::undefined_value())); |
| } |
| |
| |
| v8::Handle<v8::Primitive> ImplementationUtilities::Null() { |
| if (IsDeadCheck("v8::Null()")) return v8::Handle<v8::Primitive>(); |
| EnsureInitialized("v8::Null()"); |
| return v8::Handle<Primitive>(ToApi<Primitive>(i::Factory::null_value())); |
| } |
| |
| |
| v8::Handle<v8::Boolean> ImplementationUtilities::True() { |
| if (IsDeadCheck("v8::True()")) return v8::Handle<v8::Boolean>(); |
| EnsureInitialized("v8::True()"); |
| return v8::Handle<v8::Boolean>(ToApi<Boolean>(i::Factory::true_value())); |
| } |
| |
| |
| v8::Handle<v8::Boolean> ImplementationUtilities::False() { |
| if (IsDeadCheck("v8::False()")) return v8::Handle<v8::Boolean>(); |
| EnsureInitialized("v8::False()"); |
| 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>(); |
| 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) { |
| bool result = i::Heap::ConfigureHeap(constraints->max_young_space_size(), |
| constraints->max_old_space_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; |
| } |
| |
| |
| void** V8::GlobalizeReference(void** obj) { |
| LOG_API("Persistent::New"); |
| if (IsDeadCheck("V8::Persistent::New")) return NULL; |
| i::Handle<i::Object> result = |
| i::GlobalHandles::Create(*reinterpret_cast<i::Object**>(obj)); |
| return reinterpret_cast<void**>(result.location()); |
| } |
| |
| |
| void V8::MakeWeak(void** object, void* parameters, |
| WeakReferenceCallback callback) { |
| LOG_API("MakeWeak"); |
| i::GlobalHandles::MakeWeak(reinterpret_cast<i::Object**>(object), parameters, |
| callback); |
| } |
| |
| |
| void V8::ClearWeak(void** obj) { |
| LOG_API("ClearWeak"); |
| i::GlobalHandles::ClearWeakness(reinterpret_cast<i::Object**>(obj)); |
| } |
| |
| |
| bool V8::IsGlobalNearDeath(void** obj) { |
| LOG_API("IsGlobalNearDeath"); |
| if (has_shut_down) return false; |
| return i::GlobalHandles::IsNearDeath(reinterpret_cast<i::Object**>(obj)); |
| } |
| |
| |
| bool V8::IsGlobalWeak(void** obj) { |
| LOG_API("IsGlobalWeak"); |
| if (has_shut_down) return false; |
| return i::GlobalHandles::IsWeak(reinterpret_cast<i::Object**>(obj)); |
| } |
| |
| |
| void V8::DisposeGlobal(void** obj) { |
| LOG_API("DisposeGlobal"); |
| if (has_shut_down) return; |
| i::GlobalHandles::Destroy(reinterpret_cast<i::Object**>(obj)); |
| } |
| |
| // --- H a n d l e s --- |
| |
| |
| HandleScope::Data HandleScope::current_ = { -1, NULL, NULL }; |
| |
| |
| int HandleScope::NumberOfHandles() { |
| int n = thread_local.Blocks()->length(); |
| if (n == 0) return 0; |
| return ((n - 1) * i::kHandleBlockSize) + |
| (current_.next - thread_local.Blocks()->last()); |
| } |
| |
| |
| void** v8::HandleScope::CreateHandle(void* value) { |
| void** result = current_.next; |
| if (result == current_.limit) { |
| // Make sure there's at least one scope on the stack and that the |
| // top of the scope stack isn't a barrier. |
| if (!ApiCheck(current_.extensions >= 0, |
| "v8::HandleScope::CreateHandle()", |
| "Cannot create a handle without a HandleScope")) { |
| return NULL; |
| } |
| // If there's more room in the last block, we use that. This is used |
| // for fast creation of scopes after scope barriers. |
| if (!thread_local.Blocks()->is_empty()) { |
| void** limit = &thread_local.Blocks()->last()[i::kHandleBlockSize]; |
| if (current_.limit != limit) { |
| current_.limit = limit; |
| } |
| } |
| |
| // If we still haven't found a slot for the handle, we extend the |
| // current handle scope by allocating a new handle block. |
| if (result == current_.limit) { |
| // If there's a spare block, use it for growing the current scope. |
| result = thread_local.GetSpareOrNewBlock(); |
| // Add the extension to the global list of blocks, but count the |
| // extension as part of the current scope. |
| thread_local.Blocks()->Add(result); |
| current_.extensions++; |
| current_.limit = &result[i::kHandleBlockSize]; |
| } |
| } |
| |
| // Update the current next field, set the value in the created |
| // handle, and return the result. |
| ASSERT(result < current_.limit); |
| current_.next = result + 1; |
| *result = value; |
| return result; |
| } |
| |
| |
| void Context::Enter() { |
| if (IsDeadCheck("v8::Context::Enter()")) return; |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| thread_local.EnterContext(env); |
| |
| thread_local.SaveContext(i::GlobalHandles::Create(i::Top::context())); |
| i::Top::set_context(*env); |
| |
| thread_local.SaveSecurityContext( |
| i::GlobalHandles::Create(i::Top::security_context())); |
| i::Top::set_security_context(*env); |
| } |
| |
| |
| void Context::Exit() { |
| if (has_shut_down) return; |
| if (!ApiCheck(thread_local.LeaveLastContext(), |
| "v8::Context::Exit()", |
| "Cannot exit non-entered context")) { |
| return; |
| } |
| |
| // Content of 'last_context' and 'last_security_context' could be NULL. |
| i::Handle<i::Object> last_context = thread_local.RestoreContext(); |
| i::Top::set_context(static_cast<i::Context*>(*last_context)); |
| i::GlobalHandles::Destroy(last_context.location()); |
| |
| i::Handle<i::Object> last_security_context = |
| thread_local.RestoreSecurityContext(); |
| i::Top::set_security_context( |
| static_cast<i::Context*>(*last_security_context)); |
| i::GlobalHandles::Destroy(last_security_context.location()); |
| } |
| |
| |
| void v8::HandleScope::DeleteExtensions() { |
| ASSERT(current_.extensions != 0); |
| thread_local.DeleteExtensions(current_.extensions); |
| } |
| |
| |
| #ifdef DEBUG |
| void HandleScope::ZapRange(void** start, void** end) { |
| if (start == NULL) return; |
| for (void** p = start; p < end; p++) { |
| *p = reinterpret_cast<void*>(v8::internal::kHandleZapValue); |
| } |
| } |
| #endif |
| |
| |
| void** v8::HandleScope::RawClose(void** 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 = reinterpret_cast<i::Object*>(*value); |
| is_closed_ = true; |
| RestorePreviousState(); |
| |
| // Allocate a new handle on the previous handle block. |
| i::Handle<i::Object> handle(result); |
| return reinterpret_cast<void**>(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"); |
| 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; |
| 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>(); |
| } |
| 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; |
| 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"); |
| 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"); |
| 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"); |
| 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; |
| 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; |
| } |
| 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); |
| 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>(); |
| 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; |
| Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name)); |
| } |
| |
| |
| void FunctionTemplate::SetHiddenPrototype(bool value) { |
| if (IsDeadCheck("v8::FunctionTemplate::SetHiddenPrototype()")) return; |
| 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; |
| } |
| 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; |
| } |
| 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; |
| } |
| 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"); |
| 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; |
| 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; |
| 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; |
| 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) { |
| if (IsDeadCheck("v8::ObjectTemplate::SetAccessCheckCallbacks()")) return; |
| 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_needs_access_check(true); |
| cons->set_access_check_info(*info); |
| } |
| |
| |
| void ObjectTemplate::SetIndexedPropertyHandler( |
| IndexedPropertyGetter getter, |
| IndexedPropertySetter setter, |
| IndexedPropertyQuery query, |
| IndexedPropertyDeleter remover, |
| IndexedPropertyEnumerator enumerator, |
| Handle<Value> data) { |
| if (IsDeadCheck("v8::ObjectTemplate::SetIndexedPropertyHandler()")) return; |
| 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; |
| 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; |
| } |
| 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(&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::Compile(v8::Handle<String> source, |
| v8::ScriptOrigin* origin, |
| v8::ScriptData* script_data) { |
| ON_BAILOUT("v8::Script::Compile()", return Local<Script>()); |
| LOG_API("Script::Compile"); |
| 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>()); |
| 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"); |
| i::Object* raw_result = NULL; |
| { |
| HandleScope scope; |
| i::Handle<i::JSFunction> fun = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> global(i::Top::context()->global()); |
| i::Handle<i::Object> result = |
| i::Execution::Call(fun, global, 0, NULL, &has_pending_exception); |
| EXCEPTION_BAILOUT_CHECK(Local<Value>()); |
| raw_result = *result; |
| } |
| i::Handle<i::Object> result(raw_result); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| // --- 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()), |
| is_verbose_(false) { |
| i::Top::RegisterTryCatchHandler(this); |
| } |
| |
| |
| v8::TryCatch::~TryCatch() { |
| i::Top::UnregisterTryCatchHandler(this); |
| } |
| |
| |
| bool v8::TryCatch::HasCaught() { |
| return !reinterpret_cast<i::Object*>(exception_)->IsTheHole(); |
| } |
| |
| |
| v8::Local<Value> v8::TryCatch::Exception() { |
| 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>(); |
| } |
| } |
| |
| |
| void v8::TryCatch::Reset() { |
| exception_ = i::Heap::the_hole_value(); |
| } |
| |
| |
| void v8::TryCatch::SetVerbose(bool value) { |
| is_verbose_ = value; |
| } |
| |
| |
| // --- M e s s a g e --- |
| |
| |
| Local<String> Message::Get() { |
| ON_BAILOUT("v8::Message::Get()", return Local<String>()); |
| 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<String> Message::GetScriptResourceName() { |
| if (IsDeadCheck("v8::Message::GetScriptResourceName()")) { |
| return Local<String>(); |
| } |
| 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()); |
| if (!resource_name->IsString()) { |
| return Local<String>(); |
| } |
| Local<String> result = |
| Utils::ToLocal(i::Handle<i::String>::cast(resource_name)); |
| return scope.Close(result); |
| } |
| |
| |
| // TODO(1240903): Remove this when no longer used in WebKit V8 bindings. |
| Handle<Value> Message::GetSourceData() { |
| Handle<String> data = GetScriptResourceName(); |
| if (data.IsEmpty()) return v8::Undefined(); |
| return 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() { |
| ON_BAILOUT("v8::Message::GetLineNumber()", return -1); |
| 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()); |
| } |
| |
| |
| Local<Value> Message::GetSourceLine() { |
| ON_BAILOUT("v8::Message::GetSourceLine()", return Local<Value>()); |
| HandleScope scope; |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine", |
| Utils::OpenHandle(this), |
| &has_pending_exception); |
| EXCEPTION_BAILOUT_CHECK(Local<v8::Value>()); |
| return scope.Close(Utils::ToLocal(result)); |
| } |
| |
| |
| char* Message::GetUnderline(char* source_line, char underline_char) { |
| if (IsDeadCheck("v8::Message::GetUnderline()")) return 0; |
| HandleScope scope; |
| |
| i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| int start_pos = static_cast<int>(GetProperty(data_obj, "startPos")->Number()); |
| int end_pos = static_cast<int>(GetProperty(data_obj, "endPos")->Number()); |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> start_col_obj = CallV8HeapFunction( |
| "GetPositionInLine", |
| data_obj, |
| &has_pending_exception); |
| EXCEPTION_BAILOUT_CHECK(0); |
| int start_col = static_cast<int>(start_col_obj->Number()); |
| int end_col = start_col + (end_pos - start_pos); |
| |
| // Any tabs before or between the selected columns have to be |
| // expanded into spaces. We assume that a tab character advances |
| // the cursor up until the next 8-character boundary and at least |
| // one character. |
| int real_start_col = 0; |
| for (int i = 0; i < start_col; i++) { |
| real_start_col++; |
| if (source_line[i] == '\t') { |
| real_start_col++; |
| while (real_start_col % 8 != 0) |
| real_start_col++; |
| } |
| } |
| int real_end_col = real_start_col; |
| for (int i = start_col; i < end_col; i++) { |
| real_end_col++; |
| if (source_line[i] == '\t') { |
| while (real_end_col % 8 != 0) |
| real_end_col++; |
| } |
| } |
| char* result = i::NewArray<char>(real_end_col + 1); |
| for (int i = 0; i < real_start_col; i++) |
| result[i] = ' '; |
| for (int i = real_start_col; i < real_end_col; i++) |
| result[i] = underline_char; |
| result[real_end_col] = '\0'; |
| return result; |
| } |
| |
| |
| void Message::PrintCurrentStackTrace(FILE* out) { |
| if (IsDeadCheck("v8::Message::PrintCurrentStackTrace()")) return; |
| i::Top::PrintCurrentStackTrace(out); |
| } |
| |
| |
| // --- D a t a --- |
| |
| bool Value::IsUndefined() { |
| if (IsDeadCheck("v8::Value::IsUndefined()")) return false; |
| return Utils::OpenHandle(this)->IsUndefined(); |
| } |
| |
| |
| bool Value::IsNull() { |
| if (IsDeadCheck("v8::Value::IsNull()")) return false; |
| return Utils::OpenHandle(this)->IsNull(); |
| } |
| |
| |
| bool Value::IsTrue() { |
| if (IsDeadCheck("v8::Value::IsTrue()")) return false; |
| return Utils::OpenHandle(this)->IsTrue(); |
| } |
| |
| |
| bool Value::IsFalse() { |
| if (IsDeadCheck("v8::Value::IsFalse()")) return false; |
| return Utils::OpenHandle(this)->IsFalse(); |
| } |
| |
| |
| bool Value::IsFunction() { |
| if (IsDeadCheck("v8::Value::IsFunction()")) return false; |
| return Utils::OpenHandle(this)->IsJSFunction(); |
| } |
| |
| |
| bool Value::IsString() { |
| if (IsDeadCheck("v8::Value::IsString()")) return false; |
| return Utils::OpenHandle(this)->IsString(); |
| } |
| |
| |
| bool Value::IsArray() { |
| if (IsDeadCheck("v8::Value::IsArray()")) return false; |
| return Utils::OpenHandle(this)->IsJSArray(); |
| } |
| |
| |
| bool Value::IsObject() { |
| if (IsDeadCheck("v8::Value::IsObject()")) return false; |
| return Utils::OpenHandle(this)->IsJSObject(); |
| } |
| |
| |
| bool Value::IsNumber() { |
| if (IsDeadCheck("v8::Value::IsNumber()")) return false; |
| return Utils::OpenHandle(this)->IsNumber(); |
| } |
| |
| |
| bool Value::IsBoolean() { |
| if (IsDeadCheck("v8::Value::IsBoolean()")) return false; |
| return Utils::OpenHandle(this)->IsBoolean(); |
| } |
| |
| |
| bool Value::IsExternal() { |
| if (IsDeadCheck("v8::Value::IsExternal()")) return false; |
| return Utils::OpenHandle(this)->IsProxy(); |
| } |
| |
| |
| bool Value::IsInt32() { |
| 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; |
| } |
| |
| |
| Local<String> Value::ToString() { |
| 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 { |
| 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() { |
| 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 { |
| 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() { |
| 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 { |
| 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() { |
| if (IsDeadCheck("v8::Value::ToBoolean()")) return Local<Boolean>(); |
| LOG_API("ToBoolean"); |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> val = |
| obj->IsBoolean() ? obj : i::Execution::ToBoolean(obj); |
| return Local<Boolean>(ToApi<Boolean>(val)); |
| } |
| |
| |
| Local<Number> Value::ToNumber() { |
| 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 { |
| 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() { |
| 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 { |
| EXCEPTION_PREAMBLE(); |
| num = i::Execution::ToInteger(obj, &has_pending_exception); |
| EXCEPTION_BAILOUT_CHECK(Local<Integer>()); |
| } |
| return Local<Integer>(ToApi<Integer>(num)); |
| } |
| |
| |
| External* External::Cast(v8::Value* that) { |
| if (IsDeadCheck("v8::External::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsProxy(), |
| "v8::External::Cast()", |
| "Could not convert to external"); |
| return static_cast<External*>(that); |
| } |
| |
| |
| v8::Object* v8::Object::Cast(Value* that) { |
| if (IsDeadCheck("v8::Object::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsJSObject(), |
| "v8::Object::Cast()", |
| "Could not convert to object"); |
| return static_cast<v8::Object*>(that); |
| } |
| |
| |
| v8::Function* v8::Function::Cast(Value* that) { |
| if (IsDeadCheck("v8::Function::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsJSFunction(), |
| "v8::Function::Cast()", |
| "Could not convert to function"); |
| return static_cast<v8::Function*>(that); |
| } |
| |
| |
| v8::String* v8::String::Cast(v8::Value* that) { |
| if (IsDeadCheck("v8::String::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsString(), |
| "v8::String::Cast()", |
| "Could not convert to string"); |
| return static_cast<v8::String*>(that); |
| } |
| |
| |
| v8::Number* v8::Number::Cast(v8::Value* that) { |
| if (IsDeadCheck("v8::Number::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsNumber(), |
| "v8::Number::Cast()", |
| "Could not convert to number"); |
| return static_cast<v8::Number*>(that); |
| } |
| |
| |
| v8::Integer* v8::Integer::Cast(v8::Value* that) { |
| if (IsDeadCheck("v8::Integer::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsNumber(), |
| "v8::Integer::Cast()", |
| "Could not convert to number"); |
| return static_cast<v8::Integer*>(that); |
| } |
| |
| |
| v8::Array* v8::Array::Cast(Value* that) { |
| if (IsDeadCheck("v8::Array::Cast()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| ApiCheck(obj->IsJSArray(), |
| "v8::Array::Cast()", |
| "Could not convert to array"); |
| return static_cast<v8::Array*>(that); |
| } |
| |
| |
| bool Value::BooleanValue() { |
| if (IsDeadCheck("v8::Value::BooleanValue()")) return false; |
| LOG_API("BooleanValue"); |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> value = |
| obj->IsBoolean() ? obj : i::Execution::ToBoolean(obj); |
| return value->IsTrue(); |
| } |
| |
| |
| double Value::NumberValue() { |
| 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 { |
| EXCEPTION_PREAMBLE(); |
| num = i::Execution::ToNumber(obj, &has_pending_exception); |
| EXCEPTION_BAILOUT_CHECK(i::OS::nan_value()); |
| } |
| return num->Number(); |
| } |
| |
| |
| int64_t Value::IntegerValue() { |
| 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 { |
| 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() { |
| 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 { |
| 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() { |
| 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 { |
| 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() { |
| 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>(); |
| } |
| 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() { |
| 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)"); |
| 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) { |
| if (IsDeadCheck("v8::Value::Equals()") |
| || EmptyCheck("v8::Value::Equals()", this) |
| || EmptyCheck("v8::Value::Equals()", that)) |
| return false; |
| LOG_API("Equals"); |
| 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) { |
| 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() { |
| 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 { |
| 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); |
| 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; |
| } |
| |
| |
| Local<Value> v8::Object::Get(v8::Handle<Value> key) { |
| ON_BAILOUT("v8::Object::Get()", return Local<v8::Value>()); |
| 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>()); |
| i::Handle<i::Object> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> result = i::GetPrototype(self); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<String> v8::Object::ObjectProtoToString() { |
| ON_BAILOUT("v8::Object::ObjectProtoToString()", return Local<v8::String>()); |
| 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); |
| 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); |
| 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); |
| 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); |
| 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(); |
| } |
| |
| |
| Handle<Value> v8::Object::GetRealNamedPropertyInPrototypeChain( |
| Handle<String> key) { |
| ON_BAILOUT("v8::Object::GetRealNamedPropertyInPrototypeChain()", |
| return Local<Value>()); |
| 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<v8::Object> Function::NewInstance() { |
| return NewInstance(0, NULL); |
| } |
| |
| |
| Local<v8::Object> Function::NewInstance(int argc, |
| v8::Handle<v8::Value> argv[]) { |
| ON_BAILOUT("v8::Function::NewInstance()", return Local<v8::Object>()); |
| LOG_API("Function::NewInstance"); |
| 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"); |
| 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) { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| func->shared()->set_name(*Utils::OpenHandle(*name)); |
| } |
| |
| |
| Handle<Value> Function::GetName() { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name())); |
| } |
| |
| |
| int String::Length() { |
| if (IsDeadCheck("v8::String::Length()")) return 0; |
| return Utils::OpenHandle(this)->length(); |
| } |
| |
| |
| int String::WriteAscii(char* buffer, int start, int length) { |
| if (IsDeadCheck("v8::String::WriteAscii()")) return 0; |
| LOG_API("String::WriteAscii"); |
| 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->TryFlatten(); |
| 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) { |
| if (IsDeadCheck("v8::String::Write()")) return 0; |
| LOG_API("String::Write"); |
| 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->TryFlatten(); |
| 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++) |
| buffer[i] = write_input_buffer.GetNext(); |
| if (length == -1 || i < length) |
| buffer[i] = '\0'; |
| return i; |
| } |
| |
| |
| bool v8::String::IsExternal() { |
| EnsureInitialized("v8::String::IsExternal()"); |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| return str->IsExternalTwoByteString(); |
| } |
| |
| |
| bool v8::String::IsExternalAscii() { |
| EnsureInitialized("v8::String::IsExternalAscii()"); |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| return str->IsExternalAsciiString(); |
| } |
| |
| |
| v8::String::ExternalStringResource* v8::String::GetExternalStringResource() { |
| EnsureInitialized("v8::String::GetExternalStringResource()"); |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| ASSERT(str->IsExternalTwoByteString()); |
| void* resource = i::Handle<i::ExternalTwoByteString>::cast(str)->resource(); |
| return reinterpret_cast<ExternalStringResource*>(resource); |
| } |
| |
| |
| v8::String::ExternalAsciiStringResource* |
| v8::String::GetExternalAsciiStringResource() { |
| EnsureInitialized("v8::String::GetExternalAsciiStringResource()"); |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| ASSERT(str->IsExternalAsciiString()); |
| void* resource = i::Handle<i::ExternalAsciiString>::cast(str)->resource(); |
| return reinterpret_cast<ExternalAsciiStringResource*>(resource); |
| } |
| |
| |
| double Number::Value() { |
| if (IsDeadCheck("v8::Number::Value()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return obj->Number(); |
| } |
| |
| |
| bool Boolean::Value() { |
| if (IsDeadCheck("v8::Boolean::Value()")) return false; |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return obj->IsTrue(); |
| } |
| |
| |
| int64_t Integer::Value() { |
| 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() { |
| 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()); |
| } |
| } |
| |
| |
| void* External::Value() { |
| if (IsDeadCheck("v8::External::Value()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return reinterpret_cast<void*>(i::Proxy::cast(*obj)->proxy()); |
| } |
| |
| |
| 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::GetInternalField(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)); |
| return Utils::ToLocal(value); |
| } |
| |
| |
| 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; |
| } |
| i::Handle<i::Object> val = Utils::OpenHandle(*value); |
| obj->SetInternalField(index, *val); |
| } |
| |
| |
| // --- E n v i r o n m e n t --- |
| |
| bool v8::V8::Initialize() { |
| if (i::V8::HasBeenSetup()) return true; |
| HandleScope scope; |
| if (i::Snapshot::Initialize()) { |
| i::Serializer::disable(); |
| return true; |
| } else { |
| return i::V8::Initialize(NULL); |
| } |
| } |
| |
| |
| const char* v8::V8::GetVersion() { |
| return "0.2.5"; |
| } |
| |
| |
| 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>()); |
| // Make sure that the global_template has a constructor. |
| if (!global_template.IsEmpty() && |
| Utils::OpenHandle(*global_template)->constructor()->IsUndefined()) { |
| Local<FunctionTemplate> templ = FunctionTemplate::New(); |
| Utils::OpenHandle(*templ)->set_instance_template( |
| *Utils::OpenHandle(*global_template)); |
| i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ); |
| Utils::OpenHandle(*global_template)->set_constructor(*constructor); |
| } |
| |
| i::Handle<i::Context> env = i::Bootstrapper::CreateEnvironment( |
| Utils::OpenHandle(*global_object), |
| global_template, extensions); |
| if (!ApiCheck(!env.is_null(), |
| "v8::Context::New()", |
| "Could not initialize environment")) |
| return Persistent<Context>(); |
| return Persistent<Context>(Utils::ToLocal(env)); |
| } |
| |
| |
| void v8::Context::SetSecurityToken(Handle<Value> token) { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Handle<i::Object> token_handle = Utils::OpenHandle(*token); |
| // The global object of an environment is always a real global |
| // object with security token and reference to the builtins object. |
| i::JSGlobalObject::cast(env->global())->set_security_token(*token_handle); |
| } |
| |
| |
| Handle<Value> v8::Context::GetSecurityToken() { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Object* security_token = |
| i::JSGlobalObject::cast(env->global())->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; |
| } |
| |
| |
| bool Context::InSecurityContext() { |
| return i::Top::security_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::GetCurrentSecurityContext() { |
| if (IsDeadCheck("v8::Context::GetCurrentSecurityContext()")) { |
| return Local<Context>(); |
| } |
| i::Handle<i::Context> context(i::Top::security_context()); |
| 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::JSObject> global(context->global()); |
| return Utils::ToLocal(global); |
| } |
| |
| |
| Local<v8::Object> ObjectTemplate::NewInstance() { |
| ON_BAILOUT("v8::ObjectTemplate::NewInstance()", return Local<v8::Object>()); |
| LOG_API("ObjectTemplate::NewInstance"); |
| 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"); |
| 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)); |
| } |
| |
| |
| Local<External> v8::External::New(void* data) { |
| STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); |
| LOG_API("External::New"); |
| EnsureInitialized("v8::External::New()"); |
| i::Handle<i::Proxy> obj = i::Factory::NewProxy(static_cast<i::Address>(data)); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<String> v8::String::New(const char* data, int length) { |
| EnsureInitialized("v8::String::New()"); |
| LOG_API("String::New(char)"); |
| 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)"); |
| 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 == -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_)"); |
| 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::Object> obj, |
| void* parameter) { |
| v8::String::ExternalStringResource* resource = |
| reinterpret_cast<v8::String::ExternalStringResource*>(parameter); |
| const size_t total_size = resource->length() * sizeof(*resource->data()); |
| i::Counters::total_external_string_memory.Decrement(total_size); |
| delete resource; |
| obj.Dispose(); |
| } |
| |
| |
| static void DisposeExternalAsciiString(v8::Persistent<v8::Object> obj, |
| void* parameter) { |
| v8::String::ExternalAsciiStringResource* resource = |
| reinterpret_cast<v8::String::ExternalAsciiStringResource*>(parameter); |
| const size_t total_size = resource->length() * sizeof(*resource->data()); |
| i::Counters::total_external_string_memory.Decrement(total_size); |
| delete resource; |
| obj.Dispose(); |
| } |
| |
| |
| Local<String> v8::String::NewExternal( |
| v8::String::ExternalStringResource* resource) { |
| EnsureInitialized("v8::String::NewExternal()"); |
| LOG_API("String::NewExternal"); |
| 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); |
| } |
| |
| |
| Local<String> v8::String::NewExternal( |
| v8::String::ExternalAsciiStringResource* resource) { |
| EnsureInitialized("v8::String::NewExternal()"); |
| LOG_API("String::NewExternal"); |
| 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); |
| } |
| |
| |
| Local<v8::Object> v8::Object::New() { |
| EnsureInitialized("v8::Object::New()"); |
| LOG_API("Object::New"); |
| 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"); |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> obj = |
| i::Execution::NewDate(time, &has_pending_exception); |
| EXCEPTION_BAILOUT_CHECK(Local<v8::Value>()); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<v8::Array> v8::Array::New(int length) { |
| EnsureInitialized("v8::Array::New()"); |
| LOG_API("Array::New"); |
| i::Handle<i::JSArray> obj = i::Factory::NewJSArray(length); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| uint32_t v8::Array::Length() { |
| 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<String> v8::String::NewSymbol(const char* data, int length) { |
| EnsureInitialized("v8::String::NewSymbol()"); |
| LOG_API("String::NewSymbol(char)"); |
| 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()"); |
| 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))); |
| } |
| i::Handle<i::Object> result = i::Factory::NewNumber(value); |
| return Utils::IntegerToLocal(result); |
| } |
| |
| |
| void V8::IgnoreOutOfMemoryException() { |
| thread_local.SetIgnoreOutOfMemory(true); |
| } |
| |
| |
| bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) { |
| EnsureInitialized("v8::V8::AddMessageListener()"); |
| ON_BAILOUT("v8::V8::AddMessageListener()", return false); |
| 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); |
| 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::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::AddObjectToGroup(void* group_id, Persistent<Object> obj) { |
| if (IsDeadCheck("v8::V8::AddObjectToGroup()")) return; |
| i::GlobalHandles::AddToGroup(group_id, reinterpret_cast<i::Object**>(*obj)); |
| } |
| |
| |
| 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); |
| } |
| |
| |
| String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj) { |
| EnsureInitialized("v8::String::AsciiValue::AsciiValue()"); |
| HandleScope scope; |
| Handle<String> str = obj->ToString(); |
| int 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()"); |
| HandleScope scope; |
| Handle<String> str = obj->ToString(); |
| int 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>()); |
| 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>()); |
| 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>()); |
| 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>()); |
| 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>()); |
| 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 --- |
| |
| |
| bool Debug::AddDebugEventListener(DebugEventCallback that, Handle<Value> data) { |
| EnsureInitialized("v8::V8::AddDebugEventListener()"); |
| ON_BAILOUT("v8::V8::AddDebugEventListener()", return false); |
| HandleScope scope; |
| NeanderArray listeners(i::Factory::debug_event_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()); |
| i::Debugger::UpdateActiveDebugger(); |
| return true; |
| } |
| |
| |
| bool Debug::AddDebugEventListener(v8::Handle<v8::Function> that, |
| Handle<Value> data) { |
| ON_BAILOUT("v8::V8::AddDebugEventListener()", return false); |
| HandleScope scope; |
| NeanderArray listeners(i::Factory::debug_event_listeners()); |
| NeanderObject obj(2); |
| obj.set(0, *Utils::OpenHandle(*that)); |
| obj.set(1, data.IsEmpty() ? |
| i::Heap::undefined_value() : |
| *Utils::OpenHandle(*data)); |
| listeners.add(obj.value()); |
| i::Debugger::UpdateActiveDebugger(); |
| return true; |
| } |
| |
| |
| void Debug::RemoveDebugEventListener(DebugEventCallback that) { |
| EnsureInitialized("v8::V8::RemoveDebugEventListener()"); |
| ON_BAILOUT("v8::V8::RemoveDebugEventListener()", return); |
| HandleScope scope; |
| NeanderArray listeners(i::Factory::debug_event_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))); |
| // When removing a C debug event listener only consider proxy objects. |
| if (listener.get(0)->IsProxy()) { |
| 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()); |
| } |
| } |
| } |
| i::Debugger::UpdateActiveDebugger(); |
| } |
| |
| |
| void Debug::RemoveDebugEventListener(v8::Handle<v8::Function> that) { |
| ON_BAILOUT("v8::V8::RemoveDebugEventListener()", return); |
| HandleScope scope; |
| NeanderArray listeners(i::Factory::debug_event_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))); |
| // When removing a JavaScript debug event listener only consider JavaScript |
| // function objects. |
| if (listener.get(0)->IsJSFunction()) { |
| i::JSFunction* callback = i::JSFunction::cast(listener.get(0)); |
| i::Handle<i::JSFunction> callback_fun(callback); |
| if (callback_fun.is_identical_to(Utils::OpenHandle(*that))) { |
| listeners.set(i, i::Heap::undefined_value()); |
| } |
| } |
| } |
| i::Debugger::UpdateActiveDebugger(); |
| } |
| |
| |
| void Debug::DebugBreak() { |
| i::StackGuard::DebugBreak(); |
| } |
| |
| |
| void Debug::SetMessageHandler(v8::DebugMessageHandler handler, void* data) { |
| i::Debugger::SetMessageHandler(handler, data); |
| } |
| |
| |
| void Debug::SendCommand(const uint16_t* command, int length) { |
| i::Debugger::ProcessCommand(i::Vector<const uint16_t>(command, length)); |
| } |
| |
| |
| namespace internal { |
| |
| |
| HandleScopeImplementer* HandleScopeImplementer::instance() { |
| return &thread_local; |
| } |
| |
| |
| char* HandleScopeImplementer::ArchiveThread(char* storage) { |
| return thread_local.ArchiveThreadHelper(storage); |
| } |
| |
| |
| char* HandleScopeImplementer::ArchiveThreadHelper(char* storage) { |
| ImplementationUtilities::HandleScopeData* current = |
| ImplementationUtilities::CurrentHandleScope(); |
| handle_scope_data_ = *current; |
| memcpy(storage, this, sizeof(*this)); |
| |
| Initialize(); |
| 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)); |
| *ImplementationUtilities::CurrentHandleScope() = handle_scope_data_; |
| return storage + ArchiveSpacePerThread(); |
| } |
| |
| |
| void HandleScopeImplementer::Iterate( |
| ObjectVisitor* v, |
| List<void**>* blocks, |
| ImplementationUtilities::HandleScopeData* handle_data) { |
| // Iterate over all handles in the blocks except for the last. |
| for (int i = blocks->length() - 2; i >= 0; --i) { |
| Object** block = |
| reinterpret_cast<Object**>(blocks->at(i)); |
| v->VisitPointers(block, &block[kHandleBlockSize]); |
| } |
| |
| // Iterate over live handles in the last block (if any). |
| if (!blocks->is_empty()) { |
| v->VisitPointers(reinterpret_cast<Object**>(blocks->last()), |
| reinterpret_cast<Object**>(handle_data->next)); |
| } |
| } |
| |
| |
| void HandleScopeImplementer::Iterate(ObjectVisitor* v) { |
| ImplementationUtilities::HandleScopeData* current = |
| ImplementationUtilities::CurrentHandleScope(); |
| Iterate(v, thread_local.Blocks(), current); |
| } |
| |
| |
| char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) { |
| HandleScopeImplementer* thread_local = |
| reinterpret_cast<HandleScopeImplementer*>(storage); |
| List<void**>* blocks_of_archived_thread = thread_local->Blocks(); |
| ImplementationUtilities::HandleScopeData* handle_data_of_archived_thread = |
| &thread_local->handle_scope_data_; |
| Iterate(v, blocks_of_archived_thread, handle_data_of_archived_thread); |
| |
| return storage + ArchiveSpacePerThread(); |
| } |
| |
| } } // namespace v8::internal |