| // 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 "heap-profiler.h" |
| #include "messages.h" |
| #include "platform.h" |
| #include "profile-generator-inl.h" |
| #include "serialize.h" |
| #include "snapshot.h" |
| #include "top.h" |
| #include "utils.h" |
| #include "v8threads.h" |
| #include "version.h" |
| |
| #include "../include/v8-profiler.h" |
| |
| #define LOG_API(expr) LOG(ApiEntryCall(expr)) |
| |
| #ifdef ENABLE_VMSTATE_TRACKING |
| #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) || v8::V8::IsExecutionTerminating()) { \ |
| 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; |
| |
| 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, bool take_snapshot) { |
| i::HeapStats heap_stats; |
| int start_marker; |
| heap_stats.start_marker = &start_marker; |
| int new_space_size; |
| heap_stats.new_space_size = &new_space_size; |
| int new_space_capacity; |
| heap_stats.new_space_capacity = &new_space_capacity; |
| int old_pointer_space_size; |
| heap_stats.old_pointer_space_size = &old_pointer_space_size; |
| int old_pointer_space_capacity; |
| heap_stats.old_pointer_space_capacity = &old_pointer_space_capacity; |
| int old_data_space_size; |
| heap_stats.old_data_space_size = &old_data_space_size; |
| int old_data_space_capacity; |
| heap_stats.old_data_space_capacity = &old_data_space_capacity; |
| int code_space_size; |
| heap_stats.code_space_size = &code_space_size; |
| int code_space_capacity; |
| heap_stats.code_space_capacity = &code_space_capacity; |
| int map_space_size; |
| heap_stats.map_space_size = &map_space_size; |
| int map_space_capacity; |
| heap_stats.map_space_capacity = &map_space_capacity; |
| int cell_space_size; |
| heap_stats.cell_space_size = &cell_space_size; |
| int cell_space_capacity; |
| heap_stats.cell_space_capacity = &cell_space_capacity; |
| int lo_space_size; |
| heap_stats.lo_space_size = &lo_space_size; |
| int global_handle_count; |
| heap_stats.global_handle_count = &global_handle_count; |
| int weak_global_handle_count; |
| heap_stats.weak_global_handle_count = &weak_global_handle_count; |
| int pending_global_handle_count; |
| heap_stats.pending_global_handle_count = &pending_global_handle_count; |
| int near_death_global_handle_count; |
| heap_stats.near_death_global_handle_count = &near_death_global_handle_count; |
| int destroyed_global_handle_count; |
| heap_stats.destroyed_global_handle_count = &destroyed_global_handle_count; |
| int memory_allocator_size; |
| heap_stats.memory_allocator_size = &memory_allocator_size; |
| int memory_allocator_capacity; |
| heap_stats.memory_allocator_capacity = &memory_allocator_capacity; |
| int objects_per_type[LAST_TYPE + 1] = {0}; |
| heap_stats.objects_per_type = objects_per_type; |
| int size_per_type[LAST_TYPE + 1] = {0}; |
| heap_stats.size_per_type = size_per_type; |
| int os_error; |
| heap_stats.os_error = &os_error; |
| int end_marker; |
| heap_stats.end_marker = &end_marker; |
| i::Heap::RecordStats(&heap_stats, take_snapshot); |
| 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 young_space_size = constraints->max_young_space_size(); |
| int old_gen_size = constraints->max_old_space_size(); |
| if (young_space_size != 0 || old_gen_size != 0) { |
| bool result = i::Heap::ConfigureHeap(young_space_size / 2, 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; |
| 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<String> 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 = NULL; |
| if (value != NULL) { |
| result = *value; |
| } |
| is_closed_ = true; |
| i::HandleScope::Leave(&previous_); |
| |
| if (value == NULL) { |
| return NULL; |
| } |
| |
| // 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); |
| } |
| |
| |
| static i::Handle<i::AccessorInfo> MakeAccessorInfo( |
| v8::Handle<String> name, |
| AccessorGetter getter, |
| AccessorSetter setter, |
| v8::Handle<Value> data, |
| v8::AccessControl settings, |
| v8::PropertyAttribute attributes) { |
| 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)); |
| return 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 = MakeAccessorInfo(name, |
| getter, setter, data, |
| settings, 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::PreCompile(v8::Handle<String> source) { |
| i::Handle<i::String> str = Utils::OpenHandle(*source); |
| return i::PreParse(str, NULL, NULL); |
| } |
| |
| |
| ScriptData* ScriptData::New(const char* data, int length) { |
| // Return an empty ScriptData if the length is obviously invalid. |
| if (length % sizeof(unsigned) != 0) { |
| return new i::ScriptDataImpl(i::Vector<unsigned>()); |
| } |
| |
| // Copy the data to ensure it is properly aligned. |
| int deserialized_data_length = length / sizeof(unsigned); |
| unsigned* deserialized_data = i::NewArray<unsigned>(deserialized_data_length); |
| memcpy(deserialized_data, data, length); |
| |
| return new i::ScriptDataImpl( |
| i::Vector<unsigned>(deserialized_data, deserialized_data_length)); |
| } |
| |
| |
| // --- S c r i p t --- |
| |
| |
| Local<Script> Script::New(v8::Handle<String> source, |
| v8::ScriptOrigin* origin, |
| v8::ScriptData* pre_data, |
| v8::Handle<String> 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_impl = static_cast<i::ScriptDataImpl*>(pre_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_impl == NULL || pre_data_impl->SanityCheck()); |
| // If the pre-data isn't sane we simply ignore it |
| if (pre_data_impl != NULL && !pre_data_impl->SanityCheck()) { |
| pre_data_impl = NULL; |
| } |
| i::Handle<i::SharedFunctionInfo> result = |
| i::Compiler::Compile(str, |
| name_obj, |
| line_offset, |
| column_offset, |
| NULL, |
| pre_data_impl, |
| Utils::OpenHandle(*script_data), |
| i::NOT_NATIVES_CODE); |
| has_pending_exception = result.is_null(); |
| EXCEPTION_BAILOUT_CHECK(Local<Script>()); |
| return Local<Script>(ToApi<Script>(result)); |
| } |
| |
| |
| 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* pre_data, |
| v8::Handle<String> script_data) { |
| ON_BAILOUT("v8::Script::Compile()", return Local<Script>()); |
| LOG_API("Script::Compile"); |
| ENTER_V8; |
| Local<Script> generic = New(source, origin, pre_data, script_data); |
| if (generic.IsEmpty()) |
| return generic; |
| i::Handle<i::Object> obj = Utils::OpenHandle(*generic); |
| i::Handle<i::SharedFunctionInfo> function = |
| i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj)); |
| i::Handle<i::JSFunction> result = |
| i::Factory::NewFunctionFromSharedFunctionInfo(function, |
| i::Top::global_context()); |
| return Local<Script>(ToApi<Script>(result)); |
| } |
| |
| |
| Local<Script> Script::Compile(v8::Handle<String> source, |
| v8::Handle<Value> file_name, |
| v8::Handle<String> script_data) { |
| ScriptOrigin origin(file_name); |
| return Compile(source, &origin, 0, script_data); |
| } |
| |
| |
| 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::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSFunction> fun; |
| if (obj->IsSharedFunctionInfo()) { |
| i::Handle<i::SharedFunctionInfo> |
| function_info(i::SharedFunctionInfo::cast(*obj)); |
| fun = i::Factory::NewFunctionFromSharedFunctionInfo( |
| function_info, i::Top::global_context()); |
| } else { |
| fun = i::Handle<i::JSFunction>(i::JSFunction::cast(*obj)); |
| } |
| 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); |
| } |
| |
| |
| static i::Handle<i::SharedFunctionInfo> OpenScript(Script* script) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(script); |
| i::Handle<i::SharedFunctionInfo> result; |
| if (obj->IsSharedFunctionInfo()) { |
| result = |
| i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj)); |
| } else { |
| result = |
| i::Handle<i::SharedFunctionInfo>(i::JSFunction::cast(*obj)->shared()); |
| } |
| return 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::SharedFunctionInfo> function_info = OpenScript(this); |
| i::Handle<i::Script> script(i::Script::cast(function_info->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<String> data) { |
| ON_BAILOUT("v8::Script::SetData()", return); |
| LOG_API("Script::SetData"); |
| { |
| HandleScope scope; |
| i::Handle<i::SharedFunctionInfo> function_info = OpenScript(this); |
| i::Handle<i::Object> raw_data = Utils::OpenHandle(*data); |
| i::Handle<i::Script> script(i::Script::cast(function_info->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_address()), |
| exception_(i::Heap::the_hole_value()), |
| message_(i::Smi::FromInt(0)), |
| is_verbose_(false), |
| can_continue_(true), |
| capture_message_(true), |
| rethrow_(false) { |
| i::Top::RegisterTryCatchHandler(this); |
| } |
| |
| |
| v8::TryCatch::~TryCatch() { |
| if (rethrow_) { |
| v8::HandleScope scope; |
| v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception()); |
| i::Top::UnregisterTryCatchHandler(this); |
| v8::ThrowException(exc); |
| } else { |
| 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::Handle<v8::Value> v8::TryCatch::ReThrow() { |
| if (!HasCaught()) return v8::Local<v8::Value>(); |
| rethrow_ = true; |
| return v8::Undefined(); |
| } |
| |
| |
| 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)); |
| } |
| |
| |
| v8::Handle<v8::StackTrace> Message::GetStackTrace() const { |
| if (IsDeadCheck("v8::Message::GetStackTrace()")) { |
| return Local<v8::StackTrace>(); |
| } |
| ENTER_V8; |
| HandleScope scope; |
| i::Handle<i::JSObject> obj = |
| i::Handle<i::JSObject>::cast(Utils::OpenHandle(this)); |
| i::Handle<i::Object> stackFramesObj = GetProperty(obj, "stackFrames"); |
| if (!stackFramesObj->IsJSArray()) return v8::Handle<v8::StackTrace>(); |
| i::Handle<i::JSArray> stackTrace = |
| i::Handle<i::JSArray>::cast(stackFramesObj); |
| return scope.Close(Utils::StackTraceToLocal(stackTrace)); |
| } |
| |
| |
| 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 kNoLineNumberInfo); |
| 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 kNoColumnInfo; |
| 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 kNoColumnInfo; |
| 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); |
| } |
| |
| |
| // --- S t a c k T r a c e --- |
| |
| Local<StackFrame> StackTrace::GetFrame(uint32_t index) const { |
| if (IsDeadCheck("v8::StackTrace::GetFrame()")) return Local<StackFrame>(); |
| ENTER_V8; |
| HandleScope scope; |
| i::Handle<i::JSArray> self = Utils::OpenHandle(this); |
| i::Handle<i::JSObject> obj(i::JSObject::cast(self->GetElement(index))); |
| return scope.Close(Utils::StackFrameToLocal(obj)); |
| } |
| |
| |
| int StackTrace::GetFrameCount() const { |
| if (IsDeadCheck("v8::StackTrace::GetFrameCount()")) return -1; |
| ENTER_V8; |
| return i::Smi::cast(Utils::OpenHandle(this)->length())->value(); |
| } |
| |
| |
| Local<Array> StackTrace::AsArray() { |
| if (IsDeadCheck("v8::StackTrace::AsArray()")) Local<Array>(); |
| ENTER_V8; |
| return Utils::ToLocal(Utils::OpenHandle(this)); |
| } |
| |
| |
| Local<StackTrace> StackTrace::CurrentStackTrace(int frame_limit, |
| StackTraceOptions options) { |
| if (IsDeadCheck("v8::StackTrace::CurrentStackTrace()")) Local<StackTrace>(); |
| ENTER_V8; |
| i::Handle<i::JSArray> stackTrace = |
| i::Top::CaptureCurrentStackTrace(frame_limit, options); |
| return Utils::StackTraceToLocal(stackTrace); |
| } |
| |
| |
| // --- S t a c k F r a m e --- |
| |
| int StackFrame::GetLineNumber() const { |
| if (IsDeadCheck("v8::StackFrame::GetLineNumber()")) { |
| return Message::kNoLineNumberInfo; |
| } |
| ENTER_V8; |
| i::HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> line = GetProperty(self, "lineNumber"); |
| if (!line->IsSmi()) { |
| return Message::kNoLineNumberInfo; |
| } |
| return i::Smi::cast(*line)->value(); |
| } |
| |
| |
| int StackFrame::GetColumn() const { |
| if (IsDeadCheck("v8::StackFrame::GetColumn()")) { |
| return Message::kNoColumnInfo; |
| } |
| ENTER_V8; |
| i::HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> column = GetProperty(self, "column"); |
| if (!column->IsSmi()) { |
| return Message::kNoColumnInfo; |
| } |
| return i::Smi::cast(*column)->value(); |
| } |
| |
| |
| Local<String> StackFrame::GetScriptName() const { |
| if (IsDeadCheck("v8::StackFrame::GetScriptName()")) return Local<String>(); |
| ENTER_V8; |
| HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> name = GetProperty(self, "scriptName"); |
| if (!name->IsString()) { |
| return Local<String>(); |
| } |
| return scope.Close(Local<String>::Cast(Utils::ToLocal(name))); |
| } |
| |
| |
| Local<String> StackFrame::GetFunctionName() const { |
| if (IsDeadCheck("v8::StackFrame::GetFunctionName()")) return Local<String>(); |
| ENTER_V8; |
| HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> name = GetProperty(self, "functionName"); |
| if (!name->IsString()) { |
| return Local<String>(); |
| } |
| return scope.Close(Local<String>::Cast(Utils::ToLocal(name))); |
| } |
| |
| |
| bool StackFrame::IsEval() const { |
| if (IsDeadCheck("v8::StackFrame::IsEval()")) return false; |
| ENTER_V8; |
| i::HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> is_eval = GetProperty(self, "isEval"); |
| return is_eval->IsTrue(); |
| } |
| |
| |
| bool StackFrame::IsConstructor() const { |
| if (IsDeadCheck("v8::StackFrame::IsConstructor()")) return false; |
| ENTER_V8; |
| i::HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> is_constructor = GetProperty(self, "isConstructor"); |
| return is_constructor->IsTrue(); |
| } |
| |
| |
| // --- 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::IsUint32() const { |
| if (IsDeadCheck("v8::Value::IsUint32()")) return false; |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsSmi()) return i::Smi::cast(*obj)->value() >= 0; |
| if (obj->IsNumber()) { |
| double value = obj->Number(); |
| return i::FastUI2D(i::FastD2UI(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()); |
| } |
| |
| |
| bool Value::IsRegExp() const { |
| if (IsDeadCheck("v8::Value::IsRegExp()")) return false; |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return obj->IsJSRegExp(); |
| } |
| |
| |
| 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::Set(uint32_t index, v8::Handle<Value> value) { |
| ON_BAILOUT("v8::Object::Set()", return false); |
| ENTER_V8; |
| HandleScope scope; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> obj = i::SetElement( |
| self, |
| index, |
| value_obj); |
| 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::Get(uint32_t index) { |
| ON_BAILOUT("v8::Object::Get()", return Local<v8::Value>()); |
| ENTER_V8; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> result = i::GetElement(self, index); |
| 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); |
| } |
| |
| |
| bool v8::Object::SetPrototype(Handle<Value> value) { |
| ON_BAILOUT("v8::Object::SetPrototype()", return false); |
| ENTER_V8; |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| EXCEPTION_PREAMBLE(); |
| i::Handle<i::Object> result = i::SetPrototype(self, value_obj); |
| has_pending_exception = result.is_null(); |
| EXCEPTION_BAILOUT_CHECK(false); |
| return true; |
| } |
| |
| |
| 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 = "]"; |
| |
| int prefix_len = i::StrLength(prefix); |
| int str_len = str->Length(); |
| int postfix_len = i::StrLength(postfix); |
| |
| int buf_len = prefix_len + str_len + postfix_len; |
| i::ScopedVector<char> buf(buf_len); |
| |
| // Write prefix. |
| char* ptr = buf.start(); |
| 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.start(), buf_len); |
| 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 Object::SetAccessor(Handle<String> name, |
| AccessorGetter getter, |
| AccessorSetter setter, |
| v8::Handle<Value> data, |
| AccessControl settings, |
| PropertyAttribute attributes) { |
| ON_BAILOUT("v8::Object::SetAccessor()", return false); |
| ENTER_V8; |
| HandleScope scope; |
| i::Handle<i::AccessorInfo> info = MakeAccessorInfo(name, |
| getter, setter, data, |
| settings, attributes); |
| i::Handle<i::Object> result = i::SetAccessor(Utils::OpenHandle(this), info); |
| return !result.is_null() && !result->IsUndefined(); |
| } |
| |
| |
| 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.IsProperty()) { |
| 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.IsProperty()) { |
| 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(length <= i::PixelArray::kMaxLength, |
| "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_map( |
| *i::Factory::GetSlowElementsMap(i::Handle<i::Map>(self->map()))); |
| self->set_elements(*pixels); |
| } |
| |
| |
| bool v8::Object::HasIndexedPropertiesInPixelData() { |
| ON_BAILOUT("v8::HasIndexedPropertiesInPixelData()", return false); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| return self->HasPixelElements(); |
| } |
| |
| |
| uint8_t* v8::Object::GetIndexedPropertiesPixelData() { |
| ON_BAILOUT("v8::GetIndexedPropertiesPixelData()", return NULL); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (self->HasPixelElements()) { |
| return i::PixelArray::cast(self->elements())->external_pointer(); |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| int v8::Object::GetIndexedPropertiesPixelDataLength() { |
| ON_BAILOUT("v8::GetIndexedPropertiesPixelDataLength()", return -1); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (self->HasPixelElements()) { |
| return i::PixelArray::cast(self->elements())->length(); |
| } else { |
| return -1; |
| } |
| } |
| |
| |
| void v8::Object::SetIndexedPropertiesToExternalArrayData( |
| void* data, |
| ExternalArrayType array_type, |
| int length) { |
| ON_BAILOUT("v8::SetIndexedPropertiesToExternalArrayData()", return); |
| ENTER_V8; |
| HandleScope scope; |
| if (!ApiCheck(length <= i::ExternalArray::kMaxLength, |
| "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| "length exceeds max acceptable value")) { |
| return; |
| } |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (!ApiCheck(!self->IsJSArray(), |
| "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| "JSArray is not supported")) { |
| return; |
| } |
| i::Handle<i::ExternalArray> array = |
| i::Factory::NewExternalArray(length, array_type, data); |
| self->set_map( |
| *i::Factory::GetSlowElementsMap(i::Handle<i::Map>(self->map()))); |
| self->set_elements(*array); |
| } |
| |
| |
| bool v8::Object::HasIndexedPropertiesInExternalArrayData() { |
| ON_BAILOUT("v8::HasIndexedPropertiesInExternalArrayData()", return false); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| return self->HasExternalArrayElements(); |
| } |
| |
| |
| void* v8::Object::GetIndexedPropertiesExternalArrayData() { |
| ON_BAILOUT("v8::GetIndexedPropertiesExternalArrayData()", return NULL); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (self->HasExternalArrayElements()) { |
| return i::ExternalArray::cast(self->elements())->external_pointer(); |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| ExternalArrayType v8::Object::GetIndexedPropertiesExternalArrayDataType() { |
| ON_BAILOUT("v8::GetIndexedPropertiesExternalArrayDataType()", |
| return static_cast<ExternalArrayType>(-1)); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| switch (self->elements()->map()->instance_type()) { |
| case i::EXTERNAL_BYTE_ARRAY_TYPE: |
| return kExternalByteArray; |
| case i::EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE: |
| return kExternalUnsignedByteArray; |
| case i::EXTERNAL_SHORT_ARRAY_TYPE: |
| return kExternalShortArray; |
| case i::EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE: |
| return kExternalUnsignedShortArray; |
| case i::EXTERNAL_INT_ARRAY_TYPE: |
| return kExternalIntArray; |
| case i::EXTERNAL_UNSIGNED_INT_ARRAY_TYPE: |
| return kExternalUnsignedIntArray; |
| case i::EXTERNAL_FLOAT_ARRAY_TYPE: |
| return kExternalFloatArray; |
| default: |
| return static_cast<ExternalArrayType>(-1); |
| } |
| } |
| |
| |
| int v8::Object::GetIndexedPropertiesExternalArrayDataLength() { |
| ON_BAILOUT("v8::GetIndexedPropertiesExternalArrayDataLength()", return 0); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (self->HasExternalArrayElements()) { |
| return i::ExternalArray::cast(self->elements())->length(); |
| } else { |
| return -1; |
| } |
| } |
| |
| |
| 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())); |
| } |
| |
| |
| ScriptOrigin Function::GetScriptOrigin() const { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| if (func->shared()->script()->IsScript()) { |
| i::Handle<i::Script> script(i::Script::cast(func->shared()->script())); |
| v8::ScriptOrigin origin( |
| Utils::ToLocal(i::Handle<i::Object>(script->name())), |
| v8::Integer::New(script->line_offset()->value()), |
| v8::Integer::New(script->column_offset()->value())); |
| return origin; |
| } |
| return v8::ScriptOrigin(Handle<Value>()); |
| } |
| |
| |
| const int Function::kLineOffsetNotFound = -1; |
| |
| |
| int Function::GetScriptLineNumber() const { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| if (func->shared()->script()->IsScript()) { |
| i::Handle<i::Script> script(i::Script::cast(func->shared()->script())); |
| return i::GetScriptLineNumber(script, func->shared()->start_position()); |
| } |
| return kLineOffsetNotFound; |
| } |
| |
| |
| namespace { |
| |
| // Tracks string usage to help make better decisions when |
| // externalizing strings. |
| // |
| // Implementation note: internally this class only tracks fresh |
| // strings and keeps a single use counter for them. |
| class StringTracker { |
| public: |
| // Records that the given string's characters were copied to some |
| // external buffer. If this happens often we should honor |
| // externalization requests for the string. |
| static void RecordWrite(i::Handle<i::String> string) { |
| i::Address address = reinterpret_cast<i::Address>(*string); |
| i::Address top = i::Heap::NewSpaceTop(); |
| if (IsFreshString(address, top)) { |
| IncrementUseCount(top); |
| } |
| } |
| |
| // Estimates freshness and use frequency of the given string based |
| // on how close it is to the new space top and the recorded usage |
| // history. |
| static inline bool IsFreshUnusedString(i::Handle<i::String> string) { |
| i::Address address = reinterpret_cast<i::Address>(*string); |
| i::Address top = i::Heap::NewSpaceTop(); |
| return IsFreshString(address, top) && IsUseCountLow(top); |
| } |
| |
| private: |
| static inline bool IsFreshString(i::Address string, i::Address top) { |
| return top - kFreshnessLimit <= string && string <= top; |
| } |
| |
| static inline bool IsUseCountLow(i::Address top) { |
| if (last_top_ != top) return true; |
| return use_count_ < kUseLimit; |
| } |
| |
| static inline void IncrementUseCount(i::Address top) { |
| if (last_top_ != top) { |
| use_count_ = 0; |
| last_top_ = top; |
| } |
| ++use_count_; |
| } |
| |
| // How close to the new space top a fresh string has to be. |
| static const int kFreshnessLimit = 1024; |
| |
| // The number of uses required to consider a string useful. |
| static const int kUseLimit = 32; |
| |
| // Single use counter shared by all fresh strings. |
| static int use_count_; |
| |
| // Last new space top when the use count above was valid. |
| static i::Address last_top_; |
| }; |
| |
| int StringTracker::use_count_ = 0; |
| i::Address StringTracker::last_top_ = NULL; |
| |
| } // namespace |
| |
| |
| 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, |
| int* nchars_ref, |
| WriteHints hints) const { |
| if (IsDeadCheck("v8::String::WriteUtf8()")) return 0; |
| LOG_API("String::WriteUtf8"); |
| ENTER_V8; |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| StringTracker::RecordWrite(str); |
| if (hints & HINT_MANY_WRITES_EXPECTED) { |
| // Flatten the string for efficiency. This applies whether we are |
| // using StringInputBuffer or Get(i) to access the characters. |
| str->TryFlatten(); |
| } |
| 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; |
| int nchars = 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; |
| nchars++; |
| } |
| 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; |
| nchars++; |
| } else { |
| // We've reached the end of the buffer |
| break; |
| } |
| } |
| } |
| if (nchars_ref != NULL) *nchars_ref = nchars; |
| if (i == len && (capacity == -1 || pos < capacity)) |
| buffer[pos++] = '\0'; |
| return pos; |
| } |
| |
| |
| int String::WriteAscii(char* buffer, |
| int start, |
| int length, |
| WriteHints hints) 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); |
| StringTracker::RecordWrite(str); |
| if (hints & HINT_MANY_WRITES_EXPECTED) { |
| // 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, |
| WriteHints hints) 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); |
| StringTracker::RecordWrite(str); |
| if (hints & HINT_MANY_WRITES_EXPECTED) { |
| // 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; |
| 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()); |
| } |
| } |
| |
| |
| uint32_t Uint32::Value() const { |
| if (IsDeadCheck("v8::Uint32::Value()")) return 0; |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsSmi()) { |
| return i::Smi::cast(*obj)->value(); |
| } else { |
| return static_cast<uint32_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) { |
| ENTER_V8; |
| i::Object* as_object = reinterpret_cast<i::Object*>(value); |
| if (as_object->IsSmi()) { |
| Utils::OpenHandle(this)->SetInternalField(index, as_object); |
| return; |
| } |
| HandleScope scope; |
| i::Handle<i::Proxy> proxy = |
| i::Factory::NewProxy(reinterpret_cast<i::Address>(value), i::TENURED); |
| if (!proxy.is_null()) |
| Utils::OpenHandle(this)->SetInternalField(index, *proxy); |
| } |
| |
| |
| // --- 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; |
| return i::V8::Initialize(NULL); |
| } |
| |
| |
| bool v8::V8::Dispose() { |
| i::V8::TearDown(); |
| return true; |
| } |
| |
| |
| HeapStatistics::HeapStatistics(): total_heap_size_(0), used_heap_size_(0) { } |
| |
| |
| void v8::V8::GetHeapStatistics(HeapStatistics* heap_statistics) { |
| heap_statistics->set_total_heap_size(i::Heap::CommittedMemory()); |
| heap_statistics->set_used_heap_size(i::Heap::SizeOfObjects()); |
| } |
| |
| |
| bool v8::V8::IdleNotification() { |
| // Returning true tells the caller that it need not |
| // continue to call IdleNotification. |
| if (!i::V8::IsRunning()) return true; |
| return i::V8::IdleNotification(); |
| } |
| |
| |
| void v8::V8::LowMemoryNotification() { |
| if (!i::V8::IsRunning()) return; |
| i::Heap::CollectAllGarbage(true); |
| } |
| |
| |
| int v8::V8::ContextDisposedNotification() { |
| if (!i::V8::IsRunning()) return 0; |
| return i::Heap::NotifyContextDisposed(); |
| } |
| |
| |
| 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; |
| 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::Object> current = i::Top::global_context(); |
| if (current.is_null()) return Local<Context>(); |
| i::Handle<i::Context> context = i::Handle<i::Context>::cast(current); |
| 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); |
| } |
| |
| |
| void Context::ReattachGlobal(Handle<Object> global_object) { |
| if (IsDeadCheck("v8::Context::ReattachGlobal()")) 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::ReattachGlobal(context, Utils::OpenHandle(*global_object)); |
| } |
| |
| |
| 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()); |
| } |
| |
| |
| Local<Value> v8::External::Wrap(void* data) { |
| STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); |
| LOG_API("External::Wrap"); |
| EnsureInitialized("v8::External::Wrap()"); |
| ENTER_V8; |
| i::Object* as_object = reinterpret_cast<i::Object*>(data); |
| if (as_object->IsSmi()) { |
| return Utils::ToLocal(i::Handle<i::Object>(as_object)); |
| } |
| return ExternalNewImpl(data); |
| } |
| |
| |
| void* v8::Object::SlowGetPointerFromInternalField(int index) { |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| i::Object* value = obj->GetInternalField(index); |
| if (value->IsSmi()) { |
| return value; |
| } else if (value->IsProxy()) { |
| return reinterpret_cast<void*>(i::Proxy::cast(value)->proxy()); |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| 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. |
| result = *obj; |
| } 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 = i::StrLength(data); |
| i::Handle<i::String> result = |
| i::Factory::NewStringFromUtf8(i::Vector<const char>(data, length)); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) { |
| EnsureInitialized("v8::String::New()"); |
| LOG_API("String::New(char)"); |
| ENTER_V8; |
| i::Handle<i::String> left_string = Utils::OpenHandle(*left); |
| i::Handle<i::String> right_string = Utils::OpenHandle(*right); |
| i::Handle<i::String> result = i::Factory::NewConsString(left_string, |
| right_string); |
| 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 = i::StrLength(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; |
| } |
| |
| |
| Local<String> v8::String::NewExternal( |
| v8::String::ExternalStringResource* resource) { |
| EnsureInitialized("v8::String::NewExternal()"); |
| LOG_API("String::NewExternal"); |
| ENTER_V8; |
| i::Handle<i::String> result = NewExternalStringHandle(resource); |
| i::ExternalStringTable::AddString(*result); |
| 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); |
| if (StringTracker::IsFreshUnusedString(obj)) return false; |
| bool result = obj->MakeExternal(resource); |
| if (result && !obj->IsSymbol()) { |
| i::ExternalStringTable::AddString(*obj); |
| } |
| return result; |
| } |
| |
| |
| Local<String> v8::String::NewExternal( |
| v8::String::ExternalAsciiStringResource* resource) { |
| EnsureInitialized("v8::String::NewExternal()"); |
| LOG_API("String::NewExternal"); |
| ENTER_V8; |
| i::Handle<i::String> result = NewExternalAsciiStringHandle(resource); |
| i::ExternalStringTable::AddString(*result); |
| 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); |
| if (StringTracker::IsFreshUnusedString(obj)) return false; |
| bool result = obj->MakeExternal(resource); |
| if (result && !obj->IsSymbol()) { |
| i::ExternalStringTable::AddString(*obj); |
| } |
| return result; |
| } |
| |
| |
| bool v8::String::CanMakeExternal() { |
| if (IsDeadCheck("v8::String::CanMakeExternal()")) return false; |
| i::Handle<i::String> obj = Utils::OpenHandle(this); |
| if (StringTracker::IsFreshUnusedString(obj)) return false; |
| 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"); |
| if (isnan(time)) { |
| // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. |
| time = i::OS::nan_value(); |
| } |
| 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(); |
| ENTER_V8; |
| 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 = i::StrLength(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()"); |
| if (isnan(value)) { |
| // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. |
| value = i::OS::nan_value(); |
| } |
| 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); |
| } |
| |
| |
| Local<Integer> Integer::NewFromUnsigned(uint32_t value) { |
| bool fits_into_int32_t = (value & (1 << 31)) == 0; |
| if (fits_into_int32_t) { |
| return Integer::New(static_cast<int32_t>(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::SetCaptureStackTraceForUncaughtExceptions( |
| bool capture, |
| int frame_limit, |
| StackTrace::StackTraceOptions options) { |
| i::Top::SetCaptureStackTraceForUncaughtExceptions( |
| capture, |
| frame_limit, |
| options); |
| } |
| |
| |
| 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::AddGCPrologueCallback(GCPrologueCallback callback, GCType gc_type) { |
| if (IsDeadCheck("v8::V8::AddGCPrologueCallback()")) return; |
| i::Heap::AddGCPrologueCallback(callback, gc_type); |
| } |
| |
| |
| void V8::RemoveGCPrologueCallback(GCPrologueCallback callback) { |
| if (IsDeadCheck("v8::V8::RemoveGCPrologueCallback()")) return; |
| i::Heap::RemoveGCPrologueCallback(callback); |
| } |
| |
| |
| void V8::AddGCEpilogueCallback(GCEpilogueCallback callback, GCType gc_type) { |
| if (IsDeadCheck("v8::V8::AddGCEpilogueCallback()")) return; |
| i::Heap::AddGCEpilogueCallback(callback, gc_type); |
| } |
| |
| |
| void V8::RemoveGCEpilogueCallback(GCEpilogueCallback callback) { |
| if (IsDeadCheck("v8::V8::RemoveGCEpilogueCallback()")) return; |
| i::Heap::RemoveGCEpilogueCallback(callback); |
| } |
| |
| |
| void V8::PauseProfiler() { |
| #ifdef ENABLE_LOGGING_AND_PROFILING |
| PauseProfilerEx(PROFILER_MODULE_CPU); |
| #endif |
| } |
| |
| |
| void V8::ResumeProfiler() { |
| #ifdef ENABLE_LOGGING_AND_PROFILING |
| ResumeProfilerEx(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, int tag) { |
| #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. |
| |
| // Make a GC prior to taking a snapshot. |
| i::Heap::CollectAllGarbage(false); |
| // 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, tag); |
| i::Heap::CollectAllGarbage(false); |
| i::Logger::PauseProfiler(~current_flags & flags, tag); |
| } else { |
| i::Logger::ResumeProfiler(flags, tag); |
| } |
| #endif |
| } |
| |
| |
| void V8::PauseProfilerEx(int flags, int tag) { |
| #ifdef ENABLE_LOGGING_AND_PROFILING |
| i::Logger::PauseProfiler(flags, tag); |
| #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 |
| ASSERT(max_size >= kMinimumSizeForLogLinesBuffer); |
| 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(); |
| } |
| |
| |
| bool V8::IsExecutionTerminating() { |
| if (!i::V8::IsRunning()) return false; |
| if (i::Top::has_scheduled_exception()) { |
| return i::Top::scheduled_exception() == i::Heap::termination_exception(); |
| } |
| return false; |
| } |
| |
| |
| 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 |
| |
| static v8::Debug::EventCallback event_callback = NULL; |
| |
| static void EventCallbackWrapper(const v8::Debug::EventDetails& event_details) { |
| if (event_callback) { |
| event_callback(event_details.GetEvent(), |
| event_details.GetExecutionState(), |
| event_details.GetEventData(), |
| event_details.GetCallbackData()); |
| } |
| } |
| |
| |
| bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) { |
| EnsureInitialized("v8::Debug::SetDebugEventListener()"); |
| ON_BAILOUT("v8::Debug::SetDebugEventListener()", return false); |
| ENTER_V8; |
| |
| event_callback = that; |
| |
| HandleScope scope; |
| i::Handle<i::Object> proxy = i::Factory::undefined_value(); |
| if (that != NULL) { |
| proxy = i::Factory::NewProxy(FUNCTION_ADDR(EventCallbackWrapper)); |
| } |
| i::Debugger::SetEventListener(proxy, Utils::OpenHandle(*data)); |
| return true; |
| } |
| |
| |
| bool Debug::SetDebugEventListener2(EventCallback2 that, Handle<Value> data) { |
| EnsureInitialized("v8::Debug::SetDebugEventListener2()"); |
| ON_BAILOUT("v8::Debug::SetDebugEventListener2()", 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(); |
| } |
| |
| |
| void Debug::DebugBreakForCommand(ClientData* data) { |
| if (!i::V8::IsRunning()) return; |
| i::Debugger::EnqueueDebugCommand(data); |
| } |
| |
| |
| 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; |
| 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); |
| } |
| |
| |
| void Debug::SetDebugMessageDispatchHandler( |
| DebugMessageDispatchHandler handler, bool provide_locker) { |
| EnsureInitialized("v8::Debug::SetDebugMessageDispatchHandler"); |
| ENTER_V8; |
| i::Debugger::SetDebugMessageDispatchHandler(handler, provide_locker); |
| } |
| |
| |
| 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, bool wait_for_connection) { |
| return i::Debugger::StartAgent(name, port, wait_for_connection); |
| } |
| |
| void Debug::ProcessDebugMessages() { |
| i::Execution::ProcessDebugMesssages(true); |
| } |
| |
| Local<Context> Debug::GetDebugContext() { |
| EnsureInitialized("v8::Debug::GetDebugContext()"); |
| ENTER_V8; |
| return Utils::ToLocal(i::Debugger::GetDebugContext()); |
| } |
| |
| #endif // ENABLE_DEBUGGER_SUPPORT |
| |
| |
| #ifdef ENABLE_LOGGING_AND_PROFILING |
| |
| Handle<String> CpuProfileNode::GetFunctionName() const { |
| IsDeadCheck("v8::CpuProfileNode::GetFunctionName"); |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| const i::CodeEntry* entry = node->entry(); |
| if (!entry->has_name_prefix()) { |
| return Handle<String>(ToApi<String>( |
| i::Factory::LookupAsciiSymbol(entry->name()))); |
| } else { |
| return Handle<String>(ToApi<String>(i::Factory::NewConsString( |
| i::Factory::LookupAsciiSymbol(entry->name_prefix()), |
| i::Factory::LookupAsciiSymbol(entry->name())))); |
| } |
| } |
| |
| |
| Handle<String> CpuProfileNode::GetScriptResourceName() const { |
| IsDeadCheck("v8::CpuProfileNode::GetScriptResourceName"); |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| return Handle<String>(ToApi<String>(i::Factory::LookupAsciiSymbol( |
| node->entry()->resource_name()))); |
| } |
| |
| |
| int CpuProfileNode::GetLineNumber() const { |
| IsDeadCheck("v8::CpuProfileNode::GetLineNumber"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number(); |
| } |
| |
| |
| double CpuProfileNode::GetTotalTime() const { |
| IsDeadCheck("v8::CpuProfileNode::GetTotalTime"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->GetTotalMillis(); |
| } |
| |
| |
| double CpuProfileNode::GetSelfTime() const { |
| IsDeadCheck("v8::CpuProfileNode::GetSelfTime"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->GetSelfMillis(); |
| } |
| |
| |
| double CpuProfileNode::GetTotalSamplesCount() const { |
| IsDeadCheck("v8::CpuProfileNode::GetTotalSamplesCount"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->total_ticks(); |
| } |
| |
| |
| double CpuProfileNode::GetSelfSamplesCount() const { |
| IsDeadCheck("v8::CpuProfileNode::GetSelfSamplesCount"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks(); |
| } |
| |
| |
| unsigned CpuProfileNode::GetCallUid() const { |
| IsDeadCheck("v8::CpuProfileNode::GetCallUid"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->entry()->call_uid(); |
| } |
| |
| |
| int CpuProfileNode::GetChildrenCount() const { |
| IsDeadCheck("v8::CpuProfileNode::GetChildrenCount"); |
| return reinterpret_cast<const i::ProfileNode*>(this)->children()->length(); |
| } |
| |
| |
| const CpuProfileNode* CpuProfileNode::GetChild(int index) const { |
| IsDeadCheck("v8::CpuProfileNode::GetChild"); |
| const i::ProfileNode* child = |
| reinterpret_cast<const i::ProfileNode*>(this)->children()->at(index); |
| return reinterpret_cast<const CpuProfileNode*>(child); |
| } |
| |
| |
| unsigned CpuProfile::GetUid() const { |
| IsDeadCheck("v8::CpuProfile::GetUid"); |
| return reinterpret_cast<const i::CpuProfile*>(this)->uid(); |
| } |
| |
| |
| Handle<String> CpuProfile::GetTitle() const { |
| IsDeadCheck("v8::CpuProfile::GetTitle"); |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return Handle<String>(ToApi<String>(i::Factory::LookupAsciiSymbol( |
| profile->title()))); |
| } |
| |
| |
| const CpuProfileNode* CpuProfile::GetBottomUpRoot() const { |
| IsDeadCheck("v8::CpuProfile::GetBottomUpRoot"); |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return reinterpret_cast<const CpuProfileNode*>(profile->bottom_up()->root()); |
| } |
| |
| |
| const CpuProfileNode* CpuProfile::GetTopDownRoot() const { |
| IsDeadCheck("v8::CpuProfile::GetTopDownRoot"); |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return reinterpret_cast<const CpuProfileNode*>(profile->top_down()->root()); |
| } |
| |
| |
| int CpuProfiler::GetProfilesCount() { |
| IsDeadCheck("v8::CpuProfiler::GetProfilesCount"); |
| return i::CpuProfiler::GetProfilesCount(); |
| } |
| |
| |
| const CpuProfile* CpuProfiler::GetProfile(int index, |
| Handle<Value> security_token) { |
| IsDeadCheck("v8::CpuProfiler::GetProfile"); |
| return reinterpret_cast<const CpuProfile*>( |
| i::CpuProfiler::GetProfile( |
| security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token), |
| index)); |
| } |
| |
| |
| const CpuProfile* CpuProfiler::FindProfile(unsigned uid, |
| Handle<Value> security_token) { |
| IsDeadCheck("v8::CpuProfiler::FindProfile"); |
| return reinterpret_cast<const CpuProfile*>( |
| i::CpuProfiler::FindProfile( |
| security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token), |
| uid)); |
| } |
| |
| |
| void CpuProfiler::StartProfiling(Handle<String> title) { |
| IsDeadCheck("v8::CpuProfiler::StartProfiling"); |
| i::CpuProfiler::StartProfiling(*Utils::OpenHandle(*title)); |
| } |
| |
| |
| const CpuProfile* CpuProfiler::StopProfiling(Handle<String> title, |
| Handle<Value> security_token) { |
| IsDeadCheck("v8::CpuProfiler::StopProfiling"); |
| return reinterpret_cast<const CpuProfile*>( |
| i::CpuProfiler::StopProfiling( |
| security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token), |
| *Utils::OpenHandle(*title))); |
| } |
| |
| |
| static i::HeapGraphEdge* ToInternal(const HeapGraphEdge* edge) { |
| return const_cast<i::HeapGraphEdge*>( |
| reinterpret_cast<const i::HeapGraphEdge*>(edge)); |
| } |
| |
| HeapGraphEdge::Type HeapGraphEdge::GetType() const { |
| IsDeadCheck("v8::HeapGraphEdge::GetType"); |
| return static_cast<HeapGraphEdge::Type>(ToInternal(this)->type()); |
| } |
| |
| |
| Handle<Value> HeapGraphEdge::GetName() const { |
| IsDeadCheck("v8::HeapGraphEdge::GetName"); |
| i::HeapGraphEdge* edge = ToInternal(this); |
| switch (edge->type()) { |
| case i::HeapGraphEdge::kContextVariable: |
| case i::HeapGraphEdge::kInternal: |
| case i::HeapGraphEdge::kProperty: |
| return Handle<String>(ToApi<String>(i::Factory::LookupAsciiSymbol( |
| edge->name()))); |
| case i::HeapGraphEdge::kElement: |
| return Handle<Number>(ToApi<Number>(i::Factory::NewNumberFromInt( |
| edge->index()))); |
| default: UNREACHABLE(); |
| } |
| return ImplementationUtilities::Undefined(); |
| } |
| |
| |
| const HeapGraphNode* HeapGraphEdge::GetFromNode() const { |
| IsDeadCheck("v8::HeapGraphEdge::GetFromNode"); |
| const i::HeapEntry* from = ToInternal(this)->From(); |
| return reinterpret_cast<const HeapGraphNode*>(from); |
| } |
| |
| |
| const HeapGraphNode* HeapGraphEdge::GetToNode() const { |
| IsDeadCheck("v8::HeapGraphEdge::GetToNode"); |
| const i::HeapEntry* to = ToInternal(this)->to(); |
| return reinterpret_cast<const HeapGraphNode*>(to); |
| } |
| |
| |
| static i::HeapGraphPath* ToInternal(const HeapGraphPath* path) { |
| return const_cast<i::HeapGraphPath*>( |
| reinterpret_cast<const i::HeapGraphPath*>(path)); |
| } |
| |
| |
| int HeapGraphPath::GetEdgesCount() const { |
| return ToInternal(this)->path()->length(); |
| } |
| |
| |
| const HeapGraphEdge* HeapGraphPath::GetEdge(int index) const { |
| return reinterpret_cast<const HeapGraphEdge*>( |
| ToInternal(this)->path()->at(index)); |
| } |
| |
| |
| const HeapGraphNode* HeapGraphPath::GetFromNode() const { |
| return GetEdgesCount() > 0 ? GetEdge(0)->GetFromNode() : NULL; |
| } |
| |
| |
| const HeapGraphNode* HeapGraphPath::GetToNode() const { |
| const int count = GetEdgesCount(); |
| return count > 0 ? GetEdge(count - 1)->GetToNode() : NULL; |
| } |
| |
| |
| static i::HeapEntry* ToInternal(const HeapGraphNode* entry) { |
| return const_cast<i::HeapEntry*>( |
| reinterpret_cast<const i::HeapEntry*>(entry)); |
| } |
| |
| |
| HeapGraphNode::Type HeapGraphNode::GetType() const { |
| IsDeadCheck("v8::HeapGraphNode::GetType"); |
| return static_cast<HeapGraphNode::Type>(ToInternal(this)->type()); |
| } |
| |
| |
| Handle<String> HeapGraphNode::GetName() const { |
| IsDeadCheck("v8::HeapGraphNode::GetName"); |
| return Handle<String>(ToApi<String>(i::Factory::LookupAsciiSymbol( |
| ToInternal(this)->name()))); |
| } |
| |
| |
| uint64_t HeapGraphNode::GetId() const { |
| IsDeadCheck("v8::HeapGraphNode::GetId"); |
| ASSERT(ToInternal(this)->snapshot()->type() != i::HeapSnapshot::kAggregated); |
| return ToInternal(this)->id(); |
| } |
| |
| |
| int HeapGraphNode::GetInstancesCount() const { |
| IsDeadCheck("v8::HeapGraphNode::GetInstancesCount"); |
| ASSERT(ToInternal(this)->snapshot()->type() == i::HeapSnapshot::kAggregated); |
| return static_cast<int>(ToInternal(this)->id()); |
| } |
| |
| |
| int HeapGraphNode::GetSelfSize() const { |
| IsDeadCheck("v8::HeapGraphNode::GetSelfSize"); |
| return ToInternal(this)->self_size(); |
| } |
| |
| |
| int HeapGraphNode::GetReachableSize() const { |
| IsDeadCheck("v8::HeapSnapshot::GetReachableSize"); |
| return ToInternal(this)->ReachableSize(); |
| } |
| |
| |
| int HeapGraphNode::GetRetainedSize() const { |
| IsDeadCheck("v8::HeapSnapshot::GetRetainedSize"); |
| return ToInternal(this)->RetainedSize(); |
| } |
| |
| |
| int HeapGraphNode::GetChildrenCount() const { |
| IsDeadCheck("v8::HeapSnapshot::GetChildrenCount"); |
| return ToInternal(this)->children().length(); |
| } |
| |
| |
| const HeapGraphEdge* HeapGraphNode::GetChild(int index) const { |
| IsDeadCheck("v8::HeapSnapshot::GetChild"); |
| return reinterpret_cast<const HeapGraphEdge*>( |
| &ToInternal(this)->children()[index]); |
| } |
| |
| |
| int HeapGraphNode::GetRetainersCount() const { |
| IsDeadCheck("v8::HeapSnapshot::GetRetainersCount"); |
| return ToInternal(this)->retainers().length(); |
| } |
| |
| |
| const HeapGraphEdge* HeapGraphNode::GetRetainer(int index) const { |
| IsDeadCheck("v8::HeapSnapshot::GetRetainer"); |
| return reinterpret_cast<const HeapGraphEdge*>( |
| ToInternal(this)->retainers()[index]); |
| } |
| |
| |
| int HeapGraphNode::GetRetainingPathsCount() const { |
| IsDeadCheck("v8::HeapSnapshot::GetRetainingPathsCount"); |
| return ToInternal(this)->GetRetainingPaths()->length(); |
| } |
| |
| |
| const HeapGraphPath* HeapGraphNode::GetRetainingPath(int index) const { |
| IsDeadCheck("v8::HeapSnapshot::GetRetainingPath"); |
| return reinterpret_cast<const HeapGraphPath*>( |
| ToInternal(this)->GetRetainingPaths()->at(index)); |
| } |
| |
| |
| const HeapGraphNode* HeapSnapshotsDiff::GetAdditionsRoot() const { |
| IsDeadCheck("v8::HeapSnapshotsDiff::GetAdditionsRoot"); |
| i::HeapSnapshotsDiff* diff = |
| const_cast<i::HeapSnapshotsDiff*>( |
| reinterpret_cast<const i::HeapSnapshotsDiff*>(this)); |
| return reinterpret_cast<const HeapGraphNode*>(diff->additions_root()); |
| } |
| |
| |
| const HeapGraphNode* HeapSnapshotsDiff::GetDeletionsRoot() const { |
| IsDeadCheck("v8::HeapSnapshotsDiff::GetDeletionsRoot"); |
| i::HeapSnapshotsDiff* diff = |
| const_cast<i::HeapSnapshotsDiff*>( |
| reinterpret_cast<const i::HeapSnapshotsDiff*>(this)); |
| return reinterpret_cast<const HeapGraphNode*>(diff->deletions_root()); |
| } |
| |
| |
| static i::HeapSnapshot* ToInternal(const HeapSnapshot* snapshot) { |
| return const_cast<i::HeapSnapshot*>( |
| reinterpret_cast<const i::HeapSnapshot*>(snapshot)); |
| } |
| |
| |
| HeapSnapshot::Type HeapSnapshot::GetType() const { |
| IsDeadCheck("v8::HeapSnapshot::GetType"); |
| return static_cast<HeapSnapshot::Type>(ToInternal(this)->type()); |
| } |
| |
| |
| unsigned HeapSnapshot::GetUid() const { |
| IsDeadCheck("v8::HeapSnapshot::GetUid"); |
| return ToInternal(this)->uid(); |
| } |
| |
| |
| Handle<String> HeapSnapshot::GetTitle() const { |
| IsDeadCheck("v8::HeapSnapshot::GetTitle"); |
| return Handle<String>(ToApi<String>(i::Factory::LookupAsciiSymbol( |
| ToInternal(this)->title()))); |
| } |
| |
| |
| const HeapGraphNode* HeapSnapshot::GetRoot() const { |
| IsDeadCheck("v8::HeapSnapshot::GetHead"); |
| return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->root()); |
| } |
| |
| |
| const HeapSnapshotsDiff* HeapSnapshot::CompareWith( |
| const HeapSnapshot* snapshot) const { |
| IsDeadCheck("v8::HeapSnapshot::CompareWith"); |
| return reinterpret_cast<const HeapSnapshotsDiff*>( |
| ToInternal(this)->CompareWith(ToInternal(snapshot))); |
| } |
| |
| |
| int HeapProfiler::GetSnapshotsCount() { |
| IsDeadCheck("v8::HeapProfiler::GetSnapshotsCount"); |
| return i::HeapProfiler::GetSnapshotsCount(); |
| } |
| |
| |
| const HeapSnapshot* HeapProfiler::GetSnapshot(int index) { |
| IsDeadCheck("v8::HeapProfiler::GetSnapshot"); |
| return reinterpret_cast<const HeapSnapshot*>( |
| i::HeapProfiler::GetSnapshot(index)); |
| } |
| |
| |
| const HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) { |
| IsDeadCheck("v8::HeapProfiler::FindSnapshot"); |
| return reinterpret_cast<const HeapSnapshot*>( |
| i::HeapProfiler::FindSnapshot(uid)); |
| } |
| |
| |
| const HeapSnapshot* HeapProfiler::TakeSnapshot(Handle<String> title, |
| HeapSnapshot::Type type) { |
| IsDeadCheck("v8::HeapProfiler::TakeSnapshot"); |
| i::HeapSnapshot::Type internal_type = i::HeapSnapshot::kFull; |
| switch (type) { |
| case HeapSnapshot::kFull: |
| internal_type = i::HeapSnapshot::kFull; |
| break; |
| case HeapSnapshot::kAggregated: |
| internal_type = i::HeapSnapshot::kAggregated; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| return reinterpret_cast<const HeapSnapshot*>( |
| i::HeapProfiler::TakeSnapshot(*Utils::OpenHandle(*title), internal_type)); |
| } |
| |
| #endif // ENABLE_LOGGING_AND_PROFILING |
| |
| |
| 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 |