| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/api.h" |
| |
| #include <string.h> // For memcpy, strlen. |
| #ifdef V8_USE_ADDRESS_SANITIZER |
| #include <sanitizer/asan_interface.h> |
| #endif // V8_USE_ADDRESS_SANITIZER |
| #include <cmath> // For isnan. |
| #include "include/v8-debug.h" |
| #include "include/v8-profiler.h" |
| #include "include/v8-testing.h" |
| #include "src/assert-scope.h" |
| #include "src/background-parsing-task.h" |
| #include "src/base/platform/platform.h" |
| #include "src/base/platform/time.h" |
| #include "src/base/utils/random-number-generator.h" |
| #include "src/bootstrapper.h" |
| #include "src/code-stubs.h" |
| #include "src/compiler.h" |
| #include "src/conversions-inl.h" |
| #include "src/counters.h" |
| #include "src/cpu-profiler.h" |
| #include "src/debug.h" |
| #include "src/deoptimizer.h" |
| #include "src/execution.h" |
| #include "src/global-handles.h" |
| #include "src/heap-profiler.h" |
| #include "src/heap-snapshot-generator-inl.h" |
| #include "src/icu_util.h" |
| #include "src/json-parser.h" |
| #include "src/messages.h" |
| #include "src/natives.h" |
| #include "src/parser.h" |
| #include "src/profile-generator-inl.h" |
| #include "src/property.h" |
| #include "src/property-details.h" |
| #include "src/prototype.h" |
| #include "src/runtime/runtime.h" |
| #include "src/runtime-profiler.h" |
| #include "src/sampler.h" |
| #include "src/scanner-character-streams.h" |
| #include "src/simulator.h" |
| #include "src/snapshot.h" |
| #include "src/unicode-inl.h" |
| #include "src/v8threads.h" |
| #include "src/version.h" |
| #include "src/vm-state-inl.h" |
| |
| |
| #define LOG_API(isolate, expr) LOG(isolate, ApiEntryCall(expr)) |
| |
| #define ENTER_V8(isolate) \ |
| i::VMState<v8::OTHER> __state__((isolate)) |
| |
| namespace v8 { |
| |
| #define ON_BAILOUT(isolate, location, code) \ |
| if (IsExecutionTerminatingCheck(isolate)) { \ |
| code; \ |
| UNREACHABLE(); \ |
| } |
| |
| |
| #define EXCEPTION_PREAMBLE(isolate) \ |
| (isolate)->handle_scope_implementer()->IncrementCallDepth(); \ |
| DCHECK(!(isolate)->external_caught_exception()); \ |
| bool has_pending_exception = false |
| |
| |
| #define EXCEPTION_BAILOUT_CHECK_GENERIC(isolate, value, do_callback) \ |
| do { \ |
| i::HandleScopeImplementer* handle_scope_implementer = \ |
| (isolate)->handle_scope_implementer(); \ |
| handle_scope_implementer->DecrementCallDepth(); \ |
| if (has_pending_exception) { \ |
| bool call_depth_is_zero = handle_scope_implementer->CallDepthIsZero(); \ |
| (isolate)->OptionalRescheduleException(call_depth_is_zero); \ |
| do_callback \ |
| return value; \ |
| } \ |
| do_callback \ |
| } while (false) |
| |
| |
| #define EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, value) \ |
| EXCEPTION_BAILOUT_CHECK_GENERIC( \ |
| isolate, value, isolate->FireCallCompletedCallback();) |
| |
| |
| #define EXCEPTION_BAILOUT_CHECK(isolate, value) \ |
| EXCEPTION_BAILOUT_CHECK_GENERIC(isolate, value, ;) |
| |
| |
| // --- E x c e p t i o n B e h a v i o r --- |
| |
| |
| void i::FatalProcessOutOfMemory(const char* location) { |
| i::V8::FatalProcessOutOfMemory(location, false); |
| } |
| |
| |
| // 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; |
| intptr_t old_pointer_space_size; |
| heap_stats.old_pointer_space_size = &old_pointer_space_size; |
| intptr_t old_pointer_space_capacity; |
| heap_stats.old_pointer_space_capacity = &old_pointer_space_capacity; |
| intptr_t old_data_space_size; |
| heap_stats.old_data_space_size = &old_data_space_size; |
| intptr_t old_data_space_capacity; |
| heap_stats.old_data_space_capacity = &old_data_space_capacity; |
| intptr_t code_space_size; |
| heap_stats.code_space_size = &code_space_size; |
| intptr_t code_space_capacity; |
| heap_stats.code_space_capacity = &code_space_capacity; |
| intptr_t map_space_size; |
| heap_stats.map_space_size = &map_space_size; |
| intptr_t map_space_capacity; |
| heap_stats.map_space_capacity = &map_space_capacity; |
| intptr_t cell_space_size; |
| heap_stats.cell_space_size = &cell_space_size; |
| intptr_t cell_space_capacity; |
| heap_stats.cell_space_capacity = &cell_space_capacity; |
| intptr_t property_cell_space_size; |
| heap_stats.property_cell_space_size = &property_cell_space_size; |
| intptr_t property_cell_space_capacity; |
| heap_stats.property_cell_space_capacity = &property_cell_space_capacity; |
| intptr_t 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 free_global_handle_count; |
| heap_stats.free_global_handle_count = &free_global_handle_count; |
| intptr_t memory_allocator_size; |
| heap_stats.memory_allocator_size = &memory_allocator_size; |
| intptr_t 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::Isolate* isolate = i::Isolate::Current(); |
| if (isolate->heap()->HasBeenSetUp()) { |
| // BUG(1718): Don't use the take_snapshot since we don't support |
| // HeapIterator here without doing a special GC. |
| isolate->heap()->RecordStats(&heap_stats, false); |
| } |
| Utils::ApiCheck(false, location, "Allocation failed - process out of memory"); |
| // If the fatal error handler returns, we stop execution. |
| FATAL("API fatal error handler returned after process out of memory"); |
| } |
| |
| |
| void Utils::ReportApiFailure(const char* location, const char* message) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| FatalErrorCallback callback = isolate->exception_behavior(); |
| if (callback == NULL) { |
| base::OS::PrintError("\n#\n# Fatal error in %s\n# %s\n#\n\n", location, |
| message); |
| base::OS::Abort(); |
| } else { |
| callback(location, message); |
| } |
| isolate->SignalFatalError(); |
| } |
| |
| |
| static inline bool IsExecutionTerminatingCheck(i::Isolate* isolate) { |
| if (isolate->has_scheduled_exception()) { |
| return isolate->scheduled_exception() == |
| isolate->heap()->termination_exception(); |
| } |
| return false; |
| } |
| |
| |
| StartupDataDecompressor::StartupDataDecompressor() |
| : raw_data(i::NewArray<char*>(V8::GetCompressedStartupDataCount())) { |
| for (int i = 0; i < V8::GetCompressedStartupDataCount(); ++i) { |
| raw_data[i] = NULL; |
| } |
| } |
| |
| |
| StartupDataDecompressor::~StartupDataDecompressor() { |
| for (int i = 0; i < V8::GetCompressedStartupDataCount(); ++i) { |
| i::DeleteArray(raw_data[i]); |
| } |
| i::DeleteArray(raw_data); |
| } |
| |
| |
| int StartupDataDecompressor::Decompress() { |
| int compressed_data_count = V8::GetCompressedStartupDataCount(); |
| StartupData* compressed_data = |
| i::NewArray<StartupData>(compressed_data_count); |
| V8::GetCompressedStartupData(compressed_data); |
| for (int i = 0; i < compressed_data_count; ++i) { |
| char* decompressed = raw_data[i] = |
| i::NewArray<char>(compressed_data[i].raw_size); |
| if (compressed_data[i].compressed_size != 0) { |
| int result = DecompressData(decompressed, |
| &compressed_data[i].raw_size, |
| compressed_data[i].data, |
| compressed_data[i].compressed_size); |
| if (result != 0) return result; |
| } else { |
| DCHECK_EQ(0, compressed_data[i].raw_size); |
| } |
| compressed_data[i].data = decompressed; |
| } |
| V8::SetDecompressedStartupData(compressed_data); |
| i::DeleteArray(compressed_data); |
| return 0; |
| } |
| |
| |
| StartupData::CompressionAlgorithm V8::GetCompressedStartupDataAlgorithm() { |
| #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| return StartupData::kBZip2; |
| #else |
| return StartupData::kUncompressed; |
| #endif |
| } |
| |
| |
| enum CompressedStartupDataItems { |
| kSnapshot = 0, |
| kSnapshotContext, |
| kLibraries, |
| kExperimentalLibraries, |
| kCompressedStartupDataCount |
| }; |
| |
| |
| int V8::GetCompressedStartupDataCount() { |
| #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| return kCompressedStartupDataCount; |
| #else |
| return 0; |
| #endif |
| } |
| |
| |
| void V8::GetCompressedStartupData(StartupData* compressed_data) { |
| #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| compressed_data[kSnapshot].data = |
| reinterpret_cast<const char*>(i::Snapshot::data()); |
| compressed_data[kSnapshot].compressed_size = i::Snapshot::size(); |
| compressed_data[kSnapshot].raw_size = i::Snapshot::raw_size(); |
| |
| compressed_data[kSnapshotContext].data = |
| reinterpret_cast<const char*>(i::Snapshot::context_data()); |
| compressed_data[kSnapshotContext].compressed_size = |
| i::Snapshot::context_size(); |
| compressed_data[kSnapshotContext].raw_size = i::Snapshot::context_raw_size(); |
| |
| i::Vector<const i::byte> libraries_source = i::Natives::GetScriptsSource(); |
| compressed_data[kLibraries].data = |
| reinterpret_cast<const char*>(libraries_source.start()); |
| compressed_data[kLibraries].compressed_size = libraries_source.length(); |
| compressed_data[kLibraries].raw_size = i::Natives::GetRawScriptsSize(); |
| |
| i::Vector<const i::byte> exp_libraries_source = |
| i::ExperimentalNatives::GetScriptsSource(); |
| compressed_data[kExperimentalLibraries].data = |
| reinterpret_cast<const char*>(exp_libraries_source.start()); |
| compressed_data[kExperimentalLibraries].compressed_size = |
| exp_libraries_source.length(); |
| compressed_data[kExperimentalLibraries].raw_size = |
| i::ExperimentalNatives::GetRawScriptsSize(); |
| #endif |
| } |
| |
| |
| void V8::SetDecompressedStartupData(StartupData* decompressed_data) { |
| #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| DCHECK_EQ(i::Snapshot::raw_size(), decompressed_data[kSnapshot].raw_size); |
| i::Snapshot::set_raw_data( |
| reinterpret_cast<const i::byte*>(decompressed_data[kSnapshot].data)); |
| |
| DCHECK_EQ(i::Snapshot::context_raw_size(), |
| decompressed_data[kSnapshotContext].raw_size); |
| i::Snapshot::set_context_raw_data( |
| reinterpret_cast<const i::byte*>( |
| decompressed_data[kSnapshotContext].data)); |
| |
| DCHECK_EQ(i::Natives::GetRawScriptsSize(), |
| decompressed_data[kLibraries].raw_size); |
| i::Vector<const char> libraries_source( |
| decompressed_data[kLibraries].data, |
| decompressed_data[kLibraries].raw_size); |
| i::Natives::SetRawScriptsSource(libraries_source); |
| |
| DCHECK_EQ(i::ExperimentalNatives::GetRawScriptsSize(), |
| decompressed_data[kExperimentalLibraries].raw_size); |
| i::Vector<const char> exp_libraries_source( |
| decompressed_data[kExperimentalLibraries].data, |
| decompressed_data[kExperimentalLibraries].raw_size); |
| i::ExperimentalNatives::SetRawScriptsSource(exp_libraries_source); |
| #endif |
| } |
| |
| |
| void V8::SetNativesDataBlob(StartupData* natives_blob) { |
| #ifdef V8_USE_EXTERNAL_STARTUP_DATA |
| i::SetNativesFromFile(natives_blob); |
| #else |
| CHECK(false); |
| #endif |
| } |
| |
| |
| void V8::SetSnapshotDataBlob(StartupData* snapshot_blob) { |
| #ifdef V8_USE_EXTERNAL_STARTUP_DATA |
| i::SetSnapshotFromFile(snapshot_blob); |
| #else |
| CHECK(false); |
| #endif |
| } |
| |
| |
| 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); |
| } |
| |
| |
| RegisteredExtension* RegisteredExtension::first_extension_ = NULL; |
| |
| |
| RegisteredExtension::RegisteredExtension(Extension* extension) |
| : extension_(extension) { } |
| |
| |
| void RegisteredExtension::Register(RegisteredExtension* that) { |
| that->next_ = first_extension_; |
| first_extension_ = that; |
| } |
| |
| |
| void RegisteredExtension::UnregisterAll() { |
| RegisteredExtension* re = first_extension_; |
| while (re != NULL) { |
| RegisteredExtension* next = re->next(); |
| delete re; |
| re = next; |
| } |
| first_extension_ = NULL; |
| } |
| |
| |
| 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, |
| int source_length) |
| : name_(name), |
| source_length_(source_length >= 0 ? |
| source_length : |
| (source ? static_cast<int>(strlen(source)) : 0)), |
| source_(source, source_length_), |
| dep_count_(dep_count), |
| deps_(deps), |
| auto_enable_(false) { |
| CHECK(source != NULL || source_length_ == 0); |
| } |
| |
| |
| ResourceConstraints::ResourceConstraints() |
| : max_semi_space_size_(0), |
| max_old_space_size_(0), |
| max_executable_size_(0), |
| stack_limit_(NULL), |
| max_available_threads_(0), |
| code_range_size_(0) { } |
| |
| void ResourceConstraints::ConfigureDefaults(uint64_t physical_memory, |
| uint64_t virtual_memory_limit, |
| uint32_t number_of_processors) { |
| #if V8_OS_ANDROID |
| // Android has higher physical memory requirements before raising the maximum |
| // heap size limits since it has no swap space. |
| const uint64_t low_limit = 512ul * i::MB; |
| const uint64_t medium_limit = 1ul * i::GB; |
| const uint64_t high_limit = 2ul * i::GB; |
| #else |
| const uint64_t low_limit = 512ul * i::MB; |
| const uint64_t medium_limit = 768ul * i::MB; |
| const uint64_t high_limit = 1ul * i::GB; |
| #endif |
| |
| if (physical_memory <= low_limit) { |
| set_max_semi_space_size(i::Heap::kMaxSemiSpaceSizeLowMemoryDevice); |
| set_max_old_space_size(i::Heap::kMaxOldSpaceSizeLowMemoryDevice); |
| set_max_executable_size(i::Heap::kMaxExecutableSizeLowMemoryDevice); |
| } else if (physical_memory <= medium_limit) { |
| set_max_semi_space_size(i::Heap::kMaxSemiSpaceSizeMediumMemoryDevice); |
| set_max_old_space_size(i::Heap::kMaxOldSpaceSizeMediumMemoryDevice); |
| set_max_executable_size(i::Heap::kMaxExecutableSizeMediumMemoryDevice); |
| } else if (physical_memory <= high_limit) { |
| set_max_semi_space_size(i::Heap::kMaxSemiSpaceSizeHighMemoryDevice); |
| set_max_old_space_size(i::Heap::kMaxOldSpaceSizeHighMemoryDevice); |
| set_max_executable_size(i::Heap::kMaxExecutableSizeHighMemoryDevice); |
| } else { |
| set_max_semi_space_size(i::Heap::kMaxSemiSpaceSizeHugeMemoryDevice); |
| set_max_old_space_size(i::Heap::kMaxOldSpaceSizeHugeMemoryDevice); |
| set_max_executable_size(i::Heap::kMaxExecutableSizeHugeMemoryDevice); |
| } |
| |
| set_max_available_threads(i::Max(i::Min(number_of_processors, 4u), 1u)); |
| |
| if (virtual_memory_limit > 0 && i::kRequiresCodeRange) { |
| // Reserve no more than 1/8 of the memory for the code range, but at most |
| // kMaximalCodeRangeSize. |
| set_code_range_size( |
| i::Min(i::kMaximalCodeRangeSize / i::MB, |
| static_cast<size_t>((virtual_memory_limit >> 3) / i::MB))); |
| } |
| } |
| |
| |
| void SetResourceConstraints(i::Isolate* isolate, |
| const ResourceConstraints& constraints) { |
| int semi_space_size = constraints.max_semi_space_size(); |
| int old_space_size = constraints.max_old_space_size(); |
| int max_executable_size = constraints.max_executable_size(); |
| size_t code_range_size = constraints.code_range_size(); |
| if (semi_space_size != 0 || old_space_size != 0 || |
| max_executable_size != 0 || code_range_size != 0) { |
| isolate->heap()->ConfigureHeap(semi_space_size, old_space_size, |
| max_executable_size, code_range_size); |
| } |
| if (constraints.stack_limit() != NULL) { |
| uintptr_t limit = reinterpret_cast<uintptr_t>(constraints.stack_limit()); |
| isolate->stack_guard()->SetStackLimit(limit); |
| } |
| |
| isolate->set_max_available_threads(constraints.max_available_threads()); |
| } |
| |
| |
| i::Object** V8::GlobalizeReference(i::Isolate* isolate, i::Object** obj) { |
| LOG_API(isolate, "Persistent::New"); |
| i::Handle<i::Object> result = isolate->global_handles()->Create(*obj); |
| #ifdef DEBUG |
| (*obj)->ObjectVerify(); |
| #endif // DEBUG |
| return result.location(); |
| } |
| |
| |
| i::Object** V8::CopyPersistent(i::Object** obj) { |
| i::Handle<i::Object> result = i::GlobalHandles::CopyGlobal(obj); |
| #ifdef DEBUG |
| (*obj)->ObjectVerify(); |
| #endif // DEBUG |
| return result.location(); |
| } |
| |
| |
| void V8::MakeWeak(i::Object** object, void* parameters, |
| WeakCallback weak_callback, V8::WeakHandleType weak_type) { |
| i::GlobalHandles::PhantomState phantom; |
| phantom = weak_type == V8::PhantomHandle ? i::GlobalHandles::Phantom |
| : i::GlobalHandles::Nonphantom; |
| i::GlobalHandles::MakeWeak(object, parameters, weak_callback, phantom); |
| } |
| |
| |
| void* V8::ClearWeak(i::Object** obj) { |
| return i::GlobalHandles::ClearWeakness(obj); |
| } |
| |
| |
| void V8::DisposeGlobal(i::Object** obj) { |
| i::GlobalHandles::Destroy(obj); |
| } |
| |
| |
| void V8::Eternalize(Isolate* v8_isolate, Value* value, int* index) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| i::Object* object = *Utils::OpenHandle(value); |
| isolate->eternal_handles()->Create(isolate, object, index); |
| } |
| |
| |
| Local<Value> V8::GetEternal(Isolate* v8_isolate, int index) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| return Utils::ToLocal(isolate->eternal_handles()->Get(index)); |
| } |
| |
| |
| // --- H a n d l e s --- |
| |
| |
| HandleScope::HandleScope(Isolate* isolate) { |
| Initialize(isolate); |
| } |
| |
| |
| void HandleScope::Initialize(Isolate* isolate) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| // We do not want to check the correct usage of the Locker class all over the |
| // place, so we do it only here: Without a HandleScope, an embedder can do |
| // almost nothing, so it is enough to check in this central place. |
| Utils::ApiCheck(!v8::Locker::IsActive() || |
| internal_isolate->thread_manager()->IsLockedByCurrentThread(), |
| "HandleScope::HandleScope", |
| "Entering the V8 API without proper locking in place"); |
| i::HandleScopeData* current = internal_isolate->handle_scope_data(); |
| isolate_ = internal_isolate; |
| prev_next_ = current->next; |
| prev_limit_ = current->limit; |
| current->level++; |
| } |
| |
| |
| HandleScope::~HandleScope() { |
| i::HandleScope::CloseScope(isolate_, prev_next_, prev_limit_); |
| } |
| |
| |
| int HandleScope::NumberOfHandles(Isolate* isolate) { |
| return i::HandleScope::NumberOfHandles( |
| reinterpret_cast<i::Isolate*>(isolate)); |
| } |
| |
| |
| i::Object** HandleScope::CreateHandle(i::Isolate* isolate, i::Object* value) { |
| return i::HandleScope::CreateHandle(isolate, value); |
| } |
| |
| |
| i::Object** HandleScope::CreateHandle(i::HeapObject* heap_object, |
| i::Object* value) { |
| DCHECK(heap_object->IsHeapObject()); |
| return i::HandleScope::CreateHandle(heap_object->GetIsolate(), value); |
| } |
| |
| |
| EscapableHandleScope::EscapableHandleScope(Isolate* v8_isolate) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| escape_slot_ = CreateHandle(isolate, isolate->heap()->the_hole_value()); |
| Initialize(v8_isolate); |
| } |
| |
| |
| i::Object** EscapableHandleScope::Escape(i::Object** escape_value) { |
| i::Heap* heap = reinterpret_cast<i::Isolate*>(GetIsolate())->heap(); |
| Utils::ApiCheck(*escape_slot_ == heap->the_hole_value(), |
| "EscapeableHandleScope::Escape", |
| "Escape value set twice"); |
| if (escape_value == NULL) { |
| *escape_slot_ = heap->undefined_value(); |
| return NULL; |
| } |
| *escape_slot_ = *escape_value; |
| return escape_slot_; |
| } |
| |
| |
| void Context::Enter() { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Isolate* isolate = env->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScopeImplementer* impl = isolate->handle_scope_implementer(); |
| impl->EnterContext(env); |
| impl->SaveContext(isolate->context()); |
| isolate->set_context(*env); |
| } |
| |
| |
| void Context::Exit() { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Isolate* isolate = env->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScopeImplementer* impl = isolate->handle_scope_implementer(); |
| if (!Utils::ApiCheck(impl->LastEnteredContextWas(env), |
| "v8::Context::Exit()", |
| "Cannot exit non-entered context")) { |
| return; |
| } |
| impl->LeaveContext(); |
| isolate->set_context(impl->RestoreContext()); |
| } |
| |
| |
| static void* DecodeSmiToAligned(i::Object* value, const char* location) { |
| Utils::ApiCheck(value->IsSmi(), location, "Not a Smi"); |
| return reinterpret_cast<void*>(value); |
| } |
| |
| |
| static i::Smi* EncodeAlignedAsSmi(void* value, const char* location) { |
| i::Smi* smi = reinterpret_cast<i::Smi*>(value); |
| Utils::ApiCheck(smi->IsSmi(), location, "Pointer is not aligned"); |
| return smi; |
| } |
| |
| |
| static i::Handle<i::FixedArray> EmbedderDataFor(Context* context, |
| int index, |
| bool can_grow, |
| const char* location) { |
| i::Handle<i::Context> env = Utils::OpenHandle(context); |
| bool ok = |
| Utils::ApiCheck(env->IsNativeContext(), |
| location, |
| "Not a native context") && |
| Utils::ApiCheck(index >= 0, location, "Negative index"); |
| if (!ok) return i::Handle<i::FixedArray>(); |
| i::Handle<i::FixedArray> data(env->embedder_data()); |
| if (index < data->length()) return data; |
| if (!Utils::ApiCheck(can_grow, location, "Index too large")) { |
| return i::Handle<i::FixedArray>(); |
| } |
| int new_size = i::Max(index, data->length() << 1) + 1; |
| data = i::FixedArray::CopySize(data, new_size); |
| env->set_embedder_data(*data); |
| return data; |
| } |
| |
| |
| v8::Local<v8::Value> Context::SlowGetEmbedderData(int index) { |
| const char* location = "v8::Context::GetEmbedderData()"; |
| i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, false, location); |
| if (data.is_null()) return Local<Value>(); |
| i::Handle<i::Object> result(data->get(index), data->GetIsolate()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| void Context::SetEmbedderData(int index, v8::Handle<Value> value) { |
| const char* location = "v8::Context::SetEmbedderData()"; |
| i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, true, location); |
| if (data.is_null()) return; |
| i::Handle<i::Object> val = Utils::OpenHandle(*value); |
| data->set(index, *val); |
| DCHECK_EQ(*Utils::OpenHandle(*value), |
| *Utils::OpenHandle(*GetEmbedderData(index))); |
| } |
| |
| |
| void* Context::SlowGetAlignedPointerFromEmbedderData(int index) { |
| const char* location = "v8::Context::GetAlignedPointerFromEmbedderData()"; |
| i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, false, location); |
| if (data.is_null()) return NULL; |
| return DecodeSmiToAligned(data->get(index), location); |
| } |
| |
| |
| void Context::SetAlignedPointerInEmbedderData(int index, void* value) { |
| const char* location = "v8::Context::SetAlignedPointerInEmbedderData()"; |
| i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, true, location); |
| data->set(index, EncodeAlignedAsSmi(value, location)); |
| DCHECK_EQ(value, GetAlignedPointerFromEmbedderData(index)); |
| } |
| |
| |
| // --- 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(v8::internal::Isolate* isolate, int size) { |
| ENTER_V8(isolate); |
| value_ = isolate->factory()->NewNeanderObject(); |
| i::Handle<i::FixedArray> elements = isolate->factory()->NewFixedArray(size); |
| value_->set_elements(*elements); |
| } |
| |
| |
| int NeanderObject::size() { |
| return i::FixedArray::cast(value_->elements())->length(); |
| } |
| |
| |
| NeanderArray::NeanderArray(v8::internal::Isolate* isolate) : obj_(isolate, 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) { |
| DCHECK(0 <= offset); |
| DCHECK(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::Isolate* isolate, i::Handle<i::Object> value) { |
| int length = this->length(); |
| int size = obj_.size(); |
| if (length == size - 1) { |
| i::Factory* factory = isolate->factory(); |
| i::Handle<i::FixedArray> new_elms = 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)); |
| } |
| |
| |
| static void TemplateSet(i::Isolate* isolate, |
| v8::Template* templ, |
| int length, |
| v8::Handle<v8::Data>* data) { |
| i::Handle<i::Object> list(Utils::OpenHandle(templ)->property_list(), isolate); |
| if (list->IsUndefined()) { |
| list = NeanderArray(isolate).value(); |
| Utils::OpenHandle(templ)->set_property_list(*list); |
| } |
| NeanderArray array(list); |
| array.add(isolate, isolate->factory()->NewNumberFromInt(length)); |
| for (int i = 0; i < length; i++) { |
| i::Handle<i::Object> value = data[i].IsEmpty() ? |
| i::Handle<i::Object>(isolate->factory()->undefined_value()) : |
| Utils::OpenHandle(*data[i]); |
| array.add(isolate, value); |
| } |
| } |
| |
| |
| void Template::Set(v8::Handle<Name> name, |
| v8::Handle<Data> value, |
| v8::PropertyAttribute attribute) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| const int kSize = 3; |
| v8::Isolate* v8_isolate = reinterpret_cast<v8::Isolate*>(isolate); |
| v8::Handle<v8::Data> data[kSize] = { |
| name, |
| value, |
| v8::Integer::New(v8_isolate, attribute)}; |
| TemplateSet(isolate, this, kSize, data); |
| } |
| |
| |
| void Template::SetAccessorProperty( |
| v8::Local<v8::Name> name, |
| v8::Local<FunctionTemplate> getter, |
| v8::Local<FunctionTemplate> setter, |
| v8::PropertyAttribute attribute, |
| v8::AccessControl access_control) { |
| // TODO(verwaest): Remove |access_control|. |
| DCHECK_EQ(v8::DEFAULT, access_control); |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| DCHECK(!name.IsEmpty()); |
| DCHECK(!getter.IsEmpty() || !setter.IsEmpty()); |
| i::HandleScope scope(isolate); |
| const int kSize = 5; |
| v8::Isolate* v8_isolate = reinterpret_cast<v8::Isolate*>(isolate); |
| v8::Handle<v8::Data> data[kSize] = { |
| name, |
| getter, |
| setter, |
| v8::Integer::New(v8_isolate, attribute)}; |
| TemplateSet(isolate, this, kSize, data); |
| } |
| |
| |
| // --- 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() { |
| i::Isolate* i_isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(i_isolate); |
| i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template(), |
| i_isolate); |
| if (result->IsUndefined()) { |
| v8::Isolate* isolate = reinterpret_cast<v8::Isolate*>(i_isolate); |
| result = Utils::OpenHandle(*ObjectTemplate::New(isolate)); |
| Utils::OpenHandle(this)->set_prototype_template(*result); |
| } |
| return ToApiHandle<ObjectTemplate>(result); |
| } |
| |
| |
| void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value)); |
| } |
| |
| |
| static Local<FunctionTemplate> FunctionTemplateNew( |
| i::Isolate* isolate, |
| FunctionCallback callback, |
| v8::Handle<Value> data, |
| v8::Handle<Signature> signature, |
| int length, |
| bool do_not_cache) { |
| i::Handle<i::Struct> struct_obj = |
| isolate->factory()->NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE); |
| i::Handle<i::FunctionTemplateInfo> obj = |
| i::Handle<i::FunctionTemplateInfo>::cast(struct_obj); |
| InitializeFunctionTemplate(obj); |
| obj->set_do_not_cache(do_not_cache); |
| int next_serial_number = 0; |
| if (!do_not_cache) { |
| next_serial_number = isolate->next_serial_number() + 1; |
| isolate->set_next_serial_number(next_serial_number); |
| } |
| obj->set_serial_number(i::Smi::FromInt(next_serial_number)); |
| if (callback != 0) { |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| Utils::ToLocal(obj)->SetCallHandler(callback, data); |
| } |
| obj->set_length(length); |
| obj->set_undetectable(false); |
| obj->set_needs_access_check(false); |
| if (!signature.IsEmpty()) |
| obj->set_signature(*Utils::OpenHandle(*signature)); |
| return Utils::ToLocal(obj); |
| } |
| |
| Local<FunctionTemplate> FunctionTemplate::New( |
| Isolate* isolate, |
| FunctionCallback callback, |
| v8::Handle<Value> data, |
| v8::Handle<Signature> signature, |
| int length) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "FunctionTemplate::New"); |
| ENTER_V8(i_isolate); |
| return FunctionTemplateNew( |
| i_isolate, callback, data, signature, length, false); |
| } |
| |
| |
| Local<Signature> Signature::New(Isolate* isolate, |
| Handle<FunctionTemplate> receiver, int argc, |
| Handle<FunctionTemplate> argv[]) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "Signature::New"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::Struct> struct_obj = |
| i_isolate->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_isolate->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<AccessorSignature> AccessorSignature::New( |
| Isolate* isolate, |
| Handle<FunctionTemplate> receiver) { |
| return Utils::AccessorSignatureToLocal(Utils::OpenHandle(*receiver)); |
| } |
| |
| |
| template<typename Operation> |
| static Local<Operation> NewDescriptor( |
| Isolate* isolate, |
| const i::DeclaredAccessorDescriptorData& data, |
| Data* previous_descriptor) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| i::Handle<i::DeclaredAccessorDescriptor> previous = |
| i::Handle<i::DeclaredAccessorDescriptor>(); |
| if (previous_descriptor != NULL) { |
| previous = Utils::OpenHandle( |
| static_cast<DeclaredAccessorDescriptor*>(previous_descriptor)); |
| } |
| i::Handle<i::DeclaredAccessorDescriptor> descriptor = |
| i::DeclaredAccessorDescriptor::Create(internal_isolate, data, previous); |
| return Utils::Convert<i::DeclaredAccessorDescriptor, Operation>(descriptor); |
| } |
| |
| |
| Local<RawOperationDescriptor> |
| ObjectOperationDescriptor::NewInternalFieldDereference( |
| Isolate* isolate, |
| int internal_field) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorObjectDereference; |
| data.object_dereference_descriptor.internal_field = internal_field; |
| return NewDescriptor<RawOperationDescriptor>(isolate, data, NULL); |
| } |
| |
| |
| Local<RawOperationDescriptor> RawOperationDescriptor::NewRawShift( |
| Isolate* isolate, |
| int16_t byte_offset) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorPointerShift; |
| data.pointer_shift_descriptor.byte_offset = byte_offset; |
| return NewDescriptor<RawOperationDescriptor>(isolate, data, this); |
| } |
| |
| |
| Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewHandleDereference( |
| Isolate* isolate) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorReturnObject; |
| return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, this); |
| } |
| |
| |
| Local<RawOperationDescriptor> RawOperationDescriptor::NewRawDereference( |
| Isolate* isolate) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorPointerDereference; |
| return NewDescriptor<RawOperationDescriptor>(isolate, data, this); |
| } |
| |
| |
| Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewPointerCompare( |
| Isolate* isolate, |
| void* compare_value) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorPointerCompare; |
| data.pointer_compare_descriptor.compare_value = compare_value; |
| return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, this); |
| } |
| |
| |
| Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewPrimitiveValue( |
| Isolate* isolate, |
| DeclaredAccessorDescriptorDataType data_type, |
| uint8_t bool_offset) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorPrimitiveValue; |
| data.primitive_value_descriptor.data_type = data_type; |
| data.primitive_value_descriptor.bool_offset = bool_offset; |
| return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, this); |
| } |
| |
| |
| template<typename T> |
| static Local<DeclaredAccessorDescriptor> NewBitmaskCompare( |
| Isolate* isolate, |
| T bitmask, |
| T compare_value, |
| RawOperationDescriptor* operation) { |
| i::DeclaredAccessorDescriptorData data; |
| data.type = i::kDescriptorBitmaskCompare; |
| data.bitmask_compare_descriptor.bitmask = bitmask; |
| data.bitmask_compare_descriptor.compare_value = compare_value; |
| data.bitmask_compare_descriptor.size = sizeof(T); |
| return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, operation); |
| } |
| |
| |
| Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewBitmaskCompare8( |
| Isolate* isolate, |
| uint8_t bitmask, |
| uint8_t compare_value) { |
| return NewBitmaskCompare(isolate, bitmask, compare_value, this); |
| } |
| |
| |
| Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewBitmaskCompare16( |
| Isolate* isolate, |
| uint16_t bitmask, |
| uint16_t compare_value) { |
| return NewBitmaskCompare(isolate, bitmask, compare_value, this); |
| } |
| |
| |
| Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewBitmaskCompare32( |
| Isolate* isolate, |
| uint32_t bitmask, |
| uint32_t compare_value) { |
| return NewBitmaskCompare(isolate, bitmask, compare_value, this); |
| } |
| |
| |
| 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[]) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| LOG_API(isolate, "TypeSwitch::New"); |
| ENTER_V8(isolate); |
| i::Handle<i::FixedArray> vector = isolate->factory()->NewFixedArray(argc); |
| for (int i = 0; i < argc; i++) |
| vector->set(i, *Utils::OpenHandle(*types[i])); |
| i::Handle<i::Struct> struct_obj = |
| isolate->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) { |
| i::Handle<i::TypeSwitchInfo> info = Utils::OpenHandle(this); |
| LOG_API(info->GetIsolate(), "TypeSwitch::match"); |
| i::Handle<i::Object> obj = Utils::OpenHandle(*value); |
| i::FixedArray* types = i::FixedArray::cast(info->types()); |
| for (int i = 0; i < types->length(); i++) { |
| if (i::FunctionTemplateInfo::cast(types->get(i))->IsTemplateFor(*obj)) |
| return i + 1; |
| } |
| return 0; |
| } |
| |
| |
| #define SET_FIELD_WRAPPED(obj, setter, cdata) do { \ |
| i::Handle<i::Object> foreign = FromCData(obj->GetIsolate(), cdata); \ |
| (obj)->setter(*foreign); \ |
| } while (false) |
| |
| |
| void FunctionTemplate::SetCallHandler(FunctionCallback callback, |
| v8::Handle<Value> data) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::Struct> struct_obj = |
| isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE); |
| i::Handle<i::CallHandlerInfo> obj = |
| i::Handle<i::CallHandlerInfo>::cast(struct_obj); |
| SET_FIELD_WRAPPED(obj, set_callback, callback); |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| obj->set_data(*Utils::OpenHandle(*data)); |
| Utils::OpenHandle(this)->set_call_code(*obj); |
| } |
| |
| |
| static i::Handle<i::AccessorInfo> SetAccessorInfoProperties( |
| i::Handle<i::AccessorInfo> obj, |
| v8::Handle<Name> name, |
| v8::AccessControl settings, |
| v8::PropertyAttribute attributes, |
| v8::Handle<AccessorSignature> signature) { |
| obj->set_name(*Utils::OpenHandle(*name)); |
| if (settings & ALL_CAN_READ) obj->set_all_can_read(true); |
| if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true); |
| obj->set_property_attributes(static_cast<PropertyAttributes>(attributes)); |
| if (!signature.IsEmpty()) { |
| obj->set_expected_receiver_type(*Utils::OpenHandle(*signature)); |
| } |
| return obj; |
| } |
| |
| |
| template<typename Getter, typename Setter> |
| static i::Handle<i::AccessorInfo> MakeAccessorInfo( |
| v8::Handle<Name> name, |
| Getter getter, |
| Setter setter, |
| v8::Handle<Value> data, |
| v8::AccessControl settings, |
| v8::PropertyAttribute attributes, |
| v8::Handle<AccessorSignature> signature) { |
| i::Isolate* isolate = Utils::OpenHandle(*name)->GetIsolate(); |
| i::Handle<i::ExecutableAccessorInfo> obj = |
| isolate->factory()->NewExecutableAccessorInfo(); |
| SET_FIELD_WRAPPED(obj, set_getter, getter); |
| SET_FIELD_WRAPPED(obj, set_setter, setter); |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| obj->set_data(*Utils::OpenHandle(*data)); |
| return SetAccessorInfoProperties(obj, name, settings, attributes, signature); |
| } |
| |
| |
| static i::Handle<i::AccessorInfo> MakeAccessorInfo( |
| v8::Handle<Name> name, |
| v8::Handle<v8::DeclaredAccessorDescriptor> descriptor, |
| void* setter_ignored, |
| void* data_ignored, |
| v8::AccessControl settings, |
| v8::PropertyAttribute attributes, |
| v8::Handle<AccessorSignature> signature) { |
| i::Isolate* isolate = Utils::OpenHandle(*name)->GetIsolate(); |
| if (descriptor.IsEmpty()) return i::Handle<i::DeclaredAccessorInfo>(); |
| i::Handle<i::DeclaredAccessorInfo> obj = |
| isolate->factory()->NewDeclaredAccessorInfo(); |
| obj->set_descriptor(*Utils::OpenHandle(*descriptor)); |
| return SetAccessorInfoProperties(obj, name, settings, attributes, signature); |
| } |
| |
| |
| Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() { |
| i::Handle<i::FunctionTemplateInfo> handle = Utils::OpenHandle(this, true); |
| if (!Utils::ApiCheck(!handle.is_null(), |
| "v8::FunctionTemplate::InstanceTemplate()", |
| "Reading from empty handle")) { |
| return Local<ObjectTemplate>(); |
| } |
| i::Isolate* isolate = handle->GetIsolate(); |
| ENTER_V8(isolate); |
| if (handle->instance_template()->IsUndefined()) { |
| Local<ObjectTemplate> templ = |
| ObjectTemplate::New(isolate, ToApiHandle<FunctionTemplate>(handle)); |
| handle->set_instance_template(*Utils::OpenHandle(*templ)); |
| } |
| i::Handle<i::ObjectTemplateInfo> result( |
| i::ObjectTemplateInfo::cast(handle->instance_template())); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| void FunctionTemplate::SetLength(int length) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| Utils::OpenHandle(this)->set_length(length); |
| } |
| |
| |
| void FunctionTemplate::SetClassName(Handle<String> name) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name)); |
| } |
| |
| |
| void FunctionTemplate::SetHiddenPrototype(bool value) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| Utils::OpenHandle(this)->set_hidden_prototype(value); |
| } |
| |
| |
| void FunctionTemplate::ReadOnlyPrototype() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| Utils::OpenHandle(this)->set_read_only_prototype(true); |
| } |
| |
| |
| void FunctionTemplate::RemovePrototype() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| Utils::OpenHandle(this)->set_remove_prototype(true); |
| } |
| |
| |
| // --- O b j e c t T e m p l a t e --- |
| |
| |
| Local<ObjectTemplate> ObjectTemplate::New(Isolate* isolate) { |
| return New(reinterpret_cast<i::Isolate*>(isolate), Local<FunctionTemplate>()); |
| } |
| |
| |
| Local<ObjectTemplate> ObjectTemplate::New() { |
| return New(i::Isolate::Current(), Local<FunctionTemplate>()); |
| } |
| |
| |
| Local<ObjectTemplate> ObjectTemplate::New( |
| i::Isolate* isolate, |
| v8::Handle<FunctionTemplate> constructor) { |
| LOG_API(isolate, "ObjectTemplate::New"); |
| ENTER_V8(isolate); |
| i::Handle<i::Struct> struct_obj = |
| isolate->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 i::Handle<i::FunctionTemplateInfo> EnsureConstructor( |
| i::Isolate* isolate, |
| ObjectTemplate* object_template) { |
| i::Object* obj = Utils::OpenHandle(object_template)->constructor(); |
| if (!obj ->IsUndefined()) { |
| i::FunctionTemplateInfo* info = i::FunctionTemplateInfo::cast(obj); |
| return i::Handle<i::FunctionTemplateInfo>(info, isolate); |
| } |
| Local<FunctionTemplate> templ = |
| FunctionTemplate::New(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ); |
| constructor->set_instance_template(*Utils::OpenHandle(object_template)); |
| Utils::OpenHandle(object_template)->set_constructor(*constructor); |
| return constructor; |
| } |
| |
| |
| static inline void AddPropertyToTemplate( |
| i::Handle<i::TemplateInfo> info, |
| i::Handle<i::AccessorInfo> obj) { |
| i::Isolate* isolate = info->GetIsolate(); |
| i::Handle<i::Object> list(info->property_accessors(), isolate); |
| if (list->IsUndefined()) { |
| list = NeanderArray(isolate).value(); |
| info->set_property_accessors(*list); |
| } |
| NeanderArray array(list); |
| array.add(isolate, obj); |
| } |
| |
| |
| static inline i::Handle<i::TemplateInfo> GetTemplateInfo( |
| i::Isolate* isolate, |
| Template* template_obj) { |
| return Utils::OpenHandle(template_obj); |
| } |
| |
| |
| // TODO(dcarney): remove this with ObjectTemplate::SetAccessor |
| static inline i::Handle<i::TemplateInfo> GetTemplateInfo( |
| i::Isolate* isolate, |
| ObjectTemplate* object_template) { |
| EnsureConstructor(isolate, object_template); |
| return Utils::OpenHandle(object_template); |
| } |
| |
| |
| template<typename Getter, typename Setter, typename Data, typename Template> |
| static bool TemplateSetAccessor( |
| Template* template_obj, |
| v8::Local<Name> name, |
| Getter getter, |
| Setter setter, |
| Data data, |
| AccessControl settings, |
| PropertyAttribute attribute, |
| v8::Local<AccessorSignature> signature) { |
| i::Isolate* isolate = Utils::OpenHandle(template_obj)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::AccessorInfo> obj = MakeAccessorInfo( |
| name, getter, setter, data, settings, attribute, signature); |
| if (obj.is_null()) return false; |
| i::Handle<i::TemplateInfo> info = GetTemplateInfo(isolate, template_obj); |
| AddPropertyToTemplate(info, obj); |
| return true; |
| } |
| |
| |
| bool Template::SetDeclaredAccessor( |
| Local<Name> name, |
| Local<DeclaredAccessorDescriptor> descriptor, |
| PropertyAttribute attribute, |
| Local<AccessorSignature> signature, |
| AccessControl settings) { |
| void* null = NULL; |
| return TemplateSetAccessor( |
| this, name, descriptor, null, null, settings, attribute, signature); |
| } |
| |
| |
| void Template::SetNativeDataProperty(v8::Local<String> name, |
| AccessorGetterCallback getter, |
| AccessorSetterCallback setter, |
| v8::Handle<Value> data, |
| PropertyAttribute attribute, |
| v8::Local<AccessorSignature> signature, |
| AccessControl settings) { |
| TemplateSetAccessor( |
| this, name, getter, setter, data, settings, attribute, signature); |
| } |
| |
| |
| void Template::SetNativeDataProperty(v8::Local<Name> name, |
| AccessorNameGetterCallback getter, |
| AccessorNameSetterCallback setter, |
| v8::Handle<Value> data, |
| PropertyAttribute attribute, |
| v8::Local<AccessorSignature> signature, |
| AccessControl settings) { |
| TemplateSetAccessor( |
| this, name, getter, setter, data, settings, attribute, signature); |
| } |
| |
| |
| void ObjectTemplate::SetAccessor(v8::Handle<String> name, |
| AccessorGetterCallback getter, |
| AccessorSetterCallback setter, |
| v8::Handle<Value> data, |
| AccessControl settings, |
| PropertyAttribute attribute, |
| v8::Handle<AccessorSignature> signature) { |
| TemplateSetAccessor( |
| this, name, getter, setter, data, settings, attribute, signature); |
| } |
| |
| |
| void ObjectTemplate::SetAccessor(v8::Handle<Name> name, |
| AccessorNameGetterCallback getter, |
| AccessorNameSetterCallback setter, |
| v8::Handle<Value> data, |
| AccessControl settings, |
| PropertyAttribute attribute, |
| v8::Handle<AccessorSignature> signature) { |
| TemplateSetAccessor( |
| this, name, getter, setter, data, settings, attribute, signature); |
| } |
| |
| |
| void ObjectTemplate::SetNamedPropertyHandler( |
| NamedPropertyGetterCallback getter, |
| NamedPropertySetterCallback setter, |
| NamedPropertyQueryCallback query, |
| NamedPropertyDeleterCallback remover, |
| NamedPropertyEnumeratorCallback enumerator, |
| Handle<Value> data) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| EnsureConstructor(isolate, this); |
| i::FunctionTemplateInfo* constructor = i::FunctionTemplateInfo::cast( |
| Utils::OpenHandle(this)->constructor()); |
| i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| i::Handle<i::Struct> struct_obj = |
| isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE); |
| i::Handle<i::InterceptorInfo> obj = |
| i::Handle<i::InterceptorInfo>::cast(struct_obj); |
| |
| if (getter != 0) SET_FIELD_WRAPPED(obj, set_getter, getter); |
| if (setter != 0) SET_FIELD_WRAPPED(obj, set_setter, setter); |
| if (query != 0) SET_FIELD_WRAPPED(obj, set_query, query); |
| if (remover != 0) SET_FIELD_WRAPPED(obj, set_deleter, remover); |
| if (enumerator != 0) SET_FIELD_WRAPPED(obj, set_enumerator, enumerator); |
| |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| obj->set_data(*Utils::OpenHandle(*data)); |
| cons->set_named_property_handler(*obj); |
| } |
| |
| |
| void ObjectTemplate::MarkAsUndetectable() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| EnsureConstructor(isolate, 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) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| EnsureConstructor(isolate, this); |
| |
| i::Handle<i::Struct> struct_info = |
| isolate->factory()->NewStruct(i::ACCESS_CHECK_INFO_TYPE); |
| i::Handle<i::AccessCheckInfo> info = |
| i::Handle<i::AccessCheckInfo>::cast(struct_info); |
| |
| SET_FIELD_WRAPPED(info, set_named_callback, named_callback); |
| SET_FIELD_WRAPPED(info, set_indexed_callback, indexed_callback); |
| |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| 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( |
| IndexedPropertyGetterCallback getter, |
| IndexedPropertySetterCallback setter, |
| IndexedPropertyQueryCallback query, |
| IndexedPropertyDeleterCallback remover, |
| IndexedPropertyEnumeratorCallback enumerator, |
| Handle<Value> data) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| EnsureConstructor(isolate, this); |
| i::FunctionTemplateInfo* constructor = i::FunctionTemplateInfo::cast( |
| Utils::OpenHandle(this)->constructor()); |
| i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| i::Handle<i::Struct> struct_obj = |
| isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE); |
| i::Handle<i::InterceptorInfo> obj = |
| i::Handle<i::InterceptorInfo>::cast(struct_obj); |
| |
| if (getter != 0) SET_FIELD_WRAPPED(obj, set_getter, getter); |
| if (setter != 0) SET_FIELD_WRAPPED(obj, set_setter, setter); |
| if (query != 0) SET_FIELD_WRAPPED(obj, set_query, query); |
| if (remover != 0) SET_FIELD_WRAPPED(obj, set_deleter, remover); |
| if (enumerator != 0) SET_FIELD_WRAPPED(obj, set_enumerator, enumerator); |
| |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| obj->set_data(*Utils::OpenHandle(*data)); |
| cons->set_indexed_property_handler(*obj); |
| } |
| |
| |
| void ObjectTemplate::SetCallAsFunctionHandler(FunctionCallback callback, |
| Handle<Value> data) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| EnsureConstructor(isolate, this); |
| i::FunctionTemplateInfo* constructor = i::FunctionTemplateInfo::cast( |
| Utils::OpenHandle(this)->constructor()); |
| i::Handle<i::FunctionTemplateInfo> cons(constructor); |
| i::Handle<i::Struct> struct_obj = |
| isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE); |
| i::Handle<i::CallHandlerInfo> obj = |
| i::Handle<i::CallHandlerInfo>::cast(struct_obj); |
| SET_FIELD_WRAPPED(obj, set_callback, callback); |
| if (data.IsEmpty()) { |
| data = v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| obj->set_data(*Utils::OpenHandle(*data)); |
| cons->set_instance_call_handler(*obj); |
| } |
| |
| |
| int ObjectTemplate::InternalFieldCount() { |
| return i::Smi::cast(Utils::OpenHandle(this)->internal_field_count())->value(); |
| } |
| |
| |
| void ObjectTemplate::SetInternalFieldCount(int value) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| if (!Utils::ApiCheck(i::Smi::IsValid(value), |
| "v8::ObjectTemplate::SetInternalFieldCount()", |
| "Invalid internal field count")) { |
| return; |
| } |
| ENTER_V8(isolate); |
| 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(isolate, this); |
| } |
| Utils::OpenHandle(this)->set_internal_field_count(i::Smi::FromInt(value)); |
| } |
| |
| |
| // --- S c r i p t s --- |
| |
| |
| // Internally, UnboundScript is a SharedFunctionInfo, and Script is a |
| // JSFunction. |
| |
| ScriptCompiler::CachedData::CachedData(const uint8_t* data_, int length_, |
| BufferPolicy buffer_policy_) |
| : data(data_), length(length_), buffer_policy(buffer_policy_) {} |
| |
| |
| ScriptCompiler::CachedData::~CachedData() { |
| if (buffer_policy == BufferOwned) { |
| delete[] data; |
| } |
| } |
| |
| |
| ScriptCompiler::StreamedSource::StreamedSource(ExternalSourceStream* stream, |
| Encoding encoding) |
| : impl_(new i::StreamedSource(stream, encoding)) {} |
| |
| |
| ScriptCompiler::StreamedSource::~StreamedSource() { delete impl_; } |
| |
| |
| const ScriptCompiler::CachedData* |
| ScriptCompiler::StreamedSource::GetCachedData() const { |
| return impl_->cached_data.get(); |
| } |
| |
| |
| Local<Script> UnboundScript::BindToCurrentContext() { |
| i::Handle<i::HeapObject> obj = |
| i::Handle<i::HeapObject>::cast(Utils::OpenHandle(this)); |
| i::Handle<i::SharedFunctionInfo> |
| function_info(i::SharedFunctionInfo::cast(*obj), obj->GetIsolate()); |
| i::Handle<i::JSFunction> function = |
| obj->GetIsolate()->factory()->NewFunctionFromSharedFunctionInfo( |
| function_info, obj->GetIsolate()->native_context()); |
| return ToApiHandle<Script>(function); |
| } |
| |
| |
| int UnboundScript::GetId() { |
| i::Handle<i::HeapObject> obj = |
| i::Handle<i::HeapObject>::cast(Utils::OpenHandle(this)); |
| i::Isolate* isolate = obj->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::UnboundScript::GetId()", return -1); |
| LOG_API(isolate, "v8::UnboundScript::GetId"); |
| { |
| i::HandleScope scope(isolate); |
| i::Handle<i::SharedFunctionInfo> function_info( |
| i::SharedFunctionInfo::cast(*obj)); |
| i::Handle<i::Script> script(i::Script::cast(function_info->script())); |
| return script->id()->value(); |
| } |
| } |
| |
| |
| int UnboundScript::GetLineNumber(int code_pos) { |
| i::Handle<i::SharedFunctionInfo> obj = |
| i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this)); |
| i::Isolate* isolate = obj->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::UnboundScript::GetLineNumber()", return -1); |
| LOG_API(isolate, "UnboundScript::GetLineNumber"); |
| if (obj->script()->IsScript()) { |
| i::Handle<i::Script> script(i::Script::cast(obj->script())); |
| return i::Script::GetLineNumber(script, code_pos); |
| } else { |
| return -1; |
| } |
| } |
| |
| |
| Handle<Value> UnboundScript::GetScriptName() { |
| i::Handle<i::SharedFunctionInfo> obj = |
| i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this)); |
| i::Isolate* isolate = obj->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::UnboundScript::GetName()", |
| return Handle<String>()); |
| LOG_API(isolate, "UnboundScript::GetName"); |
| if (obj->script()->IsScript()) { |
| i::Object* name = i::Script::cast(obj->script())->name(); |
| return Utils::ToLocal(i::Handle<i::Object>(name, isolate)); |
| } else { |
| return Handle<String>(); |
| } |
| } |
| |
| |
| Handle<Value> UnboundScript::GetSourceURL() { |
| i::Handle<i::SharedFunctionInfo> obj = |
| i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this)); |
| i::Isolate* isolate = obj->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::UnboundScript::GetSourceURL()", |
| return Handle<String>()); |
| LOG_API(isolate, "UnboundScript::GetSourceURL"); |
| if (obj->script()->IsScript()) { |
| i::Object* url = i::Script::cast(obj->script())->source_url(); |
| return Utils::ToLocal(i::Handle<i::Object>(url, isolate)); |
| } else { |
| return Handle<String>(); |
| } |
| } |
| |
| |
| Handle<Value> UnboundScript::GetSourceMappingURL() { |
| i::Handle<i::SharedFunctionInfo> obj = |
| i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this)); |
| i::Isolate* isolate = obj->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::UnboundScript::GetSourceMappingURL()", |
| return Handle<String>()); |
| LOG_API(isolate, "UnboundScript::GetSourceMappingURL"); |
| if (obj->script()->IsScript()) { |
| i::Object* url = i::Script::cast(obj->script())->source_mapping_url(); |
| return Utils::ToLocal(i::Handle<i::Object>(url, isolate)); |
| } else { |
| return Handle<String>(); |
| } |
| } |
| |
| |
| Local<Value> Script::Run() { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this, true); |
| // If execution is terminating, Compile(..)->Run() requires this |
| // check. |
| if (obj.is_null()) return Local<Value>(); |
| i::Isolate* isolate = i::Handle<i::HeapObject>::cast(obj)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Script::Run()", return Local<Value>()); |
| LOG_API(isolate, "Script::Run"); |
| ENTER_V8(isolate); |
| i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(obj); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> receiver(isolate->global_proxy(), isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = !i::Execution::Call( |
| isolate, fun, receiver, 0, NULL).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Value>()); |
| return Utils::ToLocal(scope.CloseAndEscape(result)); |
| } |
| |
| |
| Local<UnboundScript> Script::GetUnboundScript() { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return ToApiHandle<UnboundScript>( |
| i::Handle<i::SharedFunctionInfo>(i::JSFunction::cast(*obj)->shared())); |
| } |
| |
| |
| Local<UnboundScript> ScriptCompiler::CompileUnbound( |
| Isolate* v8_isolate, |
| Source* source, |
| CompileOptions options) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| ON_BAILOUT(isolate, "v8::ScriptCompiler::CompileUnbound()", |
| return Local<UnboundScript>()); |
| |
| // Support the old API for a transition period: |
| // - kProduceToCache -> kProduceParserCache |
| // - kNoCompileOptions + cached_data != NULL -> kConsumeParserCache |
| if (options == kProduceDataToCache) { |
| options = kProduceParserCache; |
| } else if (options == kNoCompileOptions && source->cached_data) { |
| options = kConsumeParserCache; |
| } |
| |
| i::ScriptData* script_data = NULL; |
| if (options == kConsumeParserCache || options == kConsumeCodeCache) { |
| DCHECK(source->cached_data); |
| // ScriptData takes care of pointer-aligning the data. |
| script_data = new i::ScriptData(source->cached_data->data, |
| source->cached_data->length); |
| } |
| |
| i::Handle<i::String> str = Utils::OpenHandle(*(source->source_string)); |
| LOG_API(isolate, "ScriptCompiler::CompileUnbound"); |
| ENTER_V8(isolate); |
| i::SharedFunctionInfo* raw_result = NULL; |
| { i::HandleScope scope(isolate); |
| i::Handle<i::Object> name_obj; |
| int line_offset = 0; |
| int column_offset = 0; |
| bool is_shared_cross_origin = false; |
| if (!source->resource_name.IsEmpty()) { |
| name_obj = Utils::OpenHandle(*(source->resource_name)); |
| } |
| if (!source->resource_line_offset.IsEmpty()) { |
| line_offset = static_cast<int>(source->resource_line_offset->Value()); |
| } |
| if (!source->resource_column_offset.IsEmpty()) { |
| column_offset = |
| static_cast<int>(source->resource_column_offset->Value()); |
| } |
| if (!source->resource_is_shared_cross_origin.IsEmpty()) { |
| v8::Isolate* v8_isolate = reinterpret_cast<v8::Isolate*>(isolate); |
| is_shared_cross_origin = |
| source->resource_is_shared_cross_origin == v8::True(v8_isolate); |
| } |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::SharedFunctionInfo> result = i::Compiler::CompileScript( |
| str, name_obj, line_offset, column_offset, is_shared_cross_origin, |
| isolate->native_context(), NULL, &script_data, options, |
| i::NOT_NATIVES_CODE); |
| has_pending_exception = result.is_null(); |
| if (has_pending_exception && script_data != NULL) { |
| // This case won't happen during normal operation; we have compiled |
| // successfully and produced cached data, and but the second compilation |
| // of the same source code fails. |
| delete script_data; |
| script_data = NULL; |
| } |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<UnboundScript>()); |
| raw_result = *result; |
| |
| if ((options == kProduceParserCache || options == kProduceCodeCache) && |
| script_data != NULL) { |
| // script_data now contains the data that was generated. source will |
| // take the ownership. |
| source->cached_data = new CachedData( |
| script_data->data(), script_data->length(), CachedData::BufferOwned); |
| script_data->ReleaseDataOwnership(); |
| } |
| delete script_data; |
| } |
| i::Handle<i::SharedFunctionInfo> result(raw_result, isolate); |
| return ToApiHandle<UnboundScript>(result); |
| } |
| |
| |
| Local<Script> ScriptCompiler::Compile( |
| Isolate* v8_isolate, |
| Source* source, |
| CompileOptions options) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| ON_BAILOUT(isolate, "v8::ScriptCompiler::Compile()", return Local<Script>()); |
| LOG_API(isolate, "ScriptCompiler::CompiletBound()"); |
| ENTER_V8(isolate); |
| Local<UnboundScript> generic = CompileUnbound(v8_isolate, source, options); |
| if (generic.IsEmpty()) return Local<Script>(); |
| return generic->BindToCurrentContext(); |
| } |
| |
| |
| ScriptCompiler::ScriptStreamingTask* ScriptCompiler::StartStreamingScript( |
| Isolate* v8_isolate, StreamedSource* source, CompileOptions options) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| return new i::BackgroundParsingTask(source->impl(), options, |
| i::FLAG_stack_size, isolate); |
| } |
| |
| |
| Local<Script> ScriptCompiler::Compile(Isolate* v8_isolate, |
| StreamedSource* v8_source, |
| Handle<String> full_source_string, |
| const ScriptOrigin& origin) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| i::StreamedSource* source = v8_source->impl(); |
| ON_BAILOUT(isolate, "v8::ScriptCompiler::Compile()", return Local<Script>()); |
| LOG_API(isolate, "ScriptCompiler::Compile()"); |
| ENTER_V8(isolate); |
| i::SharedFunctionInfo* raw_result = NULL; |
| |
| { |
| i::HandleScope scope(isolate); |
| i::Handle<i::String> str = Utils::OpenHandle(*(full_source_string)); |
| i::Handle<i::Script> script = isolate->factory()->NewScript(str); |
| if (!origin.ResourceName().IsEmpty()) { |
| script->set_name(*Utils::OpenHandle(*(origin.ResourceName()))); |
| } |
| if (!origin.ResourceLineOffset().IsEmpty()) { |
| script->set_line_offset(i::Smi::FromInt( |
| static_cast<int>(origin.ResourceLineOffset()->Value()))); |
| } |
| if (!origin.ResourceColumnOffset().IsEmpty()) { |
| script->set_column_offset(i::Smi::FromInt( |
| static_cast<int>(origin.ResourceColumnOffset()->Value()))); |
| } |
| if (!origin.ResourceIsSharedCrossOrigin().IsEmpty()) { |
| script->set_is_shared_cross_origin(origin.ResourceIsSharedCrossOrigin() == |
| v8::True(v8_isolate)); |
| } |
| source->info->set_script(script); |
| source->info->SetContext(isolate->native_context()); |
| |
| EXCEPTION_PREAMBLE(isolate); |
| |
| // Do the parsing tasks which need to be done on the main thread. This will |
| // also handle parse errors. |
| source->parser->Internalize(); |
| |
| i::Handle<i::SharedFunctionInfo> result = |
| i::Handle<i::SharedFunctionInfo>::null(); |
| if (source->info->function() != NULL) { |
| // Parsing has succeeded. |
| result = |
| i::Compiler::CompileStreamedScript(source->info.get(), str->length()); |
| } |
| has_pending_exception = result.is_null(); |
| if (has_pending_exception) isolate->ReportPendingMessages(); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Script>()); |
| |
| raw_result = *result; |
| // The Handle<Script> will go out of scope soon; make sure CompilationInfo |
| // doesn't point to it. |
| source->info->set_script(i::Handle<i::Script>()); |
| } // HandleScope goes out of scope. |
| i::Handle<i::SharedFunctionInfo> result(raw_result, isolate); |
| Local<UnboundScript> generic = ToApiHandle<UnboundScript>(result); |
| if (generic.IsEmpty()) { |
| return Local<Script>(); |
| } |
| return generic->BindToCurrentContext(); |
| } |
| |
| |
| Local<Script> Script::Compile(v8::Handle<String> source, |
| v8::ScriptOrigin* origin) { |
| i::Handle<i::String> str = Utils::OpenHandle(*source); |
| if (origin) { |
| ScriptCompiler::Source script_source(source, *origin); |
| return ScriptCompiler::Compile( |
| reinterpret_cast<v8::Isolate*>(str->GetIsolate()), |
| &script_source); |
| } |
| ScriptCompiler::Source script_source(source); |
| return ScriptCompiler::Compile( |
| reinterpret_cast<v8::Isolate*>(str->GetIsolate()), |
| &script_source); |
| } |
| |
| |
| Local<Script> Script::Compile(v8::Handle<String> source, |
| v8::Handle<String> file_name) { |
| ScriptOrigin origin(file_name); |
| return Compile(source, &origin); |
| } |
| |
| |
| // --- E x c e p t i o n s --- |
| |
| |
| v8::TryCatch::TryCatch() |
| : isolate_(i::Isolate::Current()), |
| next_(isolate_->try_catch_handler()), |
| is_verbose_(false), |
| can_continue_(true), |
| capture_message_(true), |
| rethrow_(false), |
| has_terminated_(false) { |
| ResetInternal(); |
| // Special handling for simulators which have a separate JS stack. |
| js_stack_comparable_address_ = |
| reinterpret_cast<void*>(v8::internal::SimulatorStack::RegisterCTryCatch( |
| v8::internal::GetCurrentStackPosition())); |
| isolate_->RegisterTryCatchHandler(this); |
| } |
| |
| |
| v8::TryCatch::TryCatch(v8::Isolate* isolate) |
| : isolate_(reinterpret_cast<i::Isolate*>(isolate)), |
| next_(isolate_->try_catch_handler()), |
| is_verbose_(false), |
| can_continue_(true), |
| capture_message_(true), |
| rethrow_(false), |
| has_terminated_(false) { |
| ResetInternal(); |
| // Special handling for simulators which have a separate JS stack. |
| js_stack_comparable_address_ = |
| reinterpret_cast<void*>(v8::internal::SimulatorStack::RegisterCTryCatch( |
| v8::internal::GetCurrentStackPosition())); |
| isolate_->RegisterTryCatchHandler(this); |
| } |
| |
| |
| v8::TryCatch::~TryCatch() { |
| if (rethrow_) { |
| v8::Isolate* isolate = reinterpret_cast<Isolate*>(isolate_); |
| v8::HandleScope scope(isolate); |
| v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(isolate, Exception()); |
| if (HasCaught() && capture_message_) { |
| // If an exception was caught and rethrow_ is indicated, the saved |
| // message, script, and location need to be restored to Isolate TLS |
| // for reuse. capture_message_ needs to be disabled so that DoThrow() |
| // does not create a new message. |
| isolate_->thread_local_top()->rethrowing_message_ = true; |
| isolate_->RestorePendingMessageFromTryCatch(this); |
| } |
| isolate_->UnregisterTryCatchHandler(this); |
| v8::internal::SimulatorStack::UnregisterCTryCatch(); |
| reinterpret_cast<Isolate*>(isolate_)->ThrowException(exc); |
| DCHECK(!isolate_->thread_local_top()->rethrowing_message_); |
| } else { |
| if (HasCaught() && isolate_->has_scheduled_exception()) { |
| // If an exception was caught but is still scheduled because no API call |
| // promoted it, then it is canceled to prevent it from being propagated. |
| // Note that this will not cancel termination exceptions. |
| isolate_->CancelScheduledExceptionFromTryCatch(this); |
| } |
| isolate_->UnregisterTryCatchHandler(this); |
| v8::internal::SimulatorStack::UnregisterCTryCatch(); |
| } |
| } |
| |
| |
| bool v8::TryCatch::HasCaught() const { |
| return !reinterpret_cast<i::Object*>(exception_)->IsTheHole(); |
| } |
| |
| |
| bool v8::TryCatch::CanContinue() const { |
| return can_continue_; |
| } |
| |
| |
| bool v8::TryCatch::HasTerminated() const { |
| return has_terminated_; |
| } |
| |
| |
| v8::Handle<v8::Value> v8::TryCatch::ReThrow() { |
| if (!HasCaught()) return v8::Local<v8::Value>(); |
| rethrow_ = true; |
| return v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate_)); |
| } |
| |
| |
| 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, isolate_)); |
| } 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>(); |
| i::HandleScope scope(isolate_); |
| i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj), isolate_); |
| i::Handle<i::String> name = isolate_->factory()->stack_string(); |
| EXCEPTION_PREAMBLE(isolate_); |
| Maybe<bool> maybe = i::JSReceiver::HasProperty(obj, name); |
| has_pending_exception = !maybe.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate_, v8::Local<Value>()); |
| if (!maybe.value) return v8::Local<Value>(); |
| i::Handle<i::Object> value; |
| if (!i::Object::GetProperty(obj, name).ToHandle(&value)) { |
| return v8::Local<Value>(); |
| } |
| return v8::Utils::ToLocal(scope.CloseAndEscape(value)); |
| } else { |
| return v8::Local<Value>(); |
| } |
| } |
| |
| |
| v8::Local<v8::Message> v8::TryCatch::Message() const { |
| i::Object* message = reinterpret_cast<i::Object*>(message_obj_); |
| DCHECK(message->IsJSMessageObject() || message->IsTheHole()); |
| if (HasCaught() && !message->IsTheHole()) { |
| return v8::Utils::MessageToLocal(i::Handle<i::Object>(message, isolate_)); |
| } else { |
| return v8::Local<v8::Message>(); |
| } |
| } |
| |
| |
| void v8::TryCatch::Reset() { |
| if (!rethrow_ && HasCaught() && isolate_->has_scheduled_exception()) { |
| // If an exception was caught but is still scheduled because no API call |
| // promoted it, then it is canceled to prevent it from being propagated. |
| // Note that this will not cancel termination exceptions. |
| isolate_->CancelScheduledExceptionFromTryCatch(this); |
| } |
| ResetInternal(); |
| } |
| |
| |
| void v8::TryCatch::ResetInternal() { |
| i::Object* the_hole = isolate_->heap()->the_hole_value(); |
| exception_ = the_hole; |
| message_obj_ = the_hole; |
| message_script_ = the_hole; |
| message_start_pos_ = 0; |
| message_end_pos_ = 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 { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Message::Get()", return Local<String>()); |
| ENTER_V8(isolate); |
| EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(isolate, obj); |
| Local<String> result = Utils::ToLocal(raw_result); |
| return scope.Escape(result); |
| } |
| |
| |
| ScriptOrigin Message::GetScriptOrigin() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| i::Handle<i::JSMessageObject> message = |
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
| i::Handle<i::Object> script_wraper = |
| i::Handle<i::Object>(message->script(), isolate); |
| i::Handle<i::JSValue> script_value = |
| i::Handle<i::JSValue>::cast(script_wraper); |
| i::Handle<i::Script> script(i::Script::cast(script_value->value())); |
| i::Handle<i::Object> scriptName(i::Script::GetNameOrSourceURL(script)); |
| v8::Isolate* v8_isolate = |
| reinterpret_cast<v8::Isolate*>(script->GetIsolate()); |
| v8::ScriptOrigin origin( |
| Utils::ToLocal(scriptName), |
| v8::Integer::New(v8_isolate, script->line_offset()->value()), |
| v8::Integer::New(v8_isolate, script->column_offset()->value()), |
| Handle<Boolean>(), |
| v8::Integer::New(v8_isolate, script->id()->value())); |
| return origin; |
| } |
| |
| |
| v8::Handle<Value> Message::GetScriptResourceName() const { |
| return GetScriptOrigin().ResourceName(); |
| } |
| |
| |
| v8::Handle<v8::StackTrace> Message::GetStackTrace() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::JSMessageObject> message = |
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
| i::Handle<i::Object> stackFramesObj(message->stack_frames(), isolate); |
| if (!stackFramesObj->IsJSArray()) return v8::Handle<v8::StackTrace>(); |
| i::Handle<i::JSArray> stackTrace = |
| i::Handle<i::JSArray>::cast(stackFramesObj); |
| return scope.Escape(Utils::StackTraceToLocal(stackTrace)); |
| } |
| |
| |
| MUST_USE_RESULT static i::MaybeHandle<i::Object> CallV8HeapFunction( |
| i::Isolate* isolate, const char* name, i::Handle<i::Object> recv, int argc, |
| i::Handle<i::Object> argv[]) { |
| i::Handle<i::Object> object_fun = |
| i::Object::GetProperty( |
| isolate, isolate->js_builtins_object(), name).ToHandleChecked(); |
| i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(object_fun); |
| return i::Execution::Call(isolate, fun, recv, argc, argv); |
| } |
| |
| |
| MUST_USE_RESULT static i::MaybeHandle<i::Object> CallV8HeapFunction( |
| i::Isolate* isolate, const char* name, i::Handle<i::Object> data) { |
| i::Handle<i::Object> argv[] = { data }; |
| return CallV8HeapFunction(isolate, name, isolate->js_builtins_object(), |
| arraysize(argv), argv); |
| } |
| |
| |
| int Message::GetLineNumber() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Message::GetLineNumber()", return kNoLineNumberInfo); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = |
| !CallV8HeapFunction(isolate, "GetLineNumber", Utils::OpenHandle(this)) |
| .ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, 0); |
| return static_cast<int>(result->Number()); |
| } |
| |
| |
| int Message::GetStartPosition() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSMessageObject> message = |
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
| return message->start_position(); |
| } |
| |
| |
| int Message::GetEndPosition() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSMessageObject> message = |
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
| return message->end_position(); |
| } |
| |
| |
| int Message::GetStartColumn() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Message::GetStartColumn()", return kNoColumnInfo); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> start_col_obj; |
| has_pending_exception = |
| !CallV8HeapFunction(isolate, "GetPositionInLine", data_obj) |
| .ToHandle(&start_col_obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, 0); |
| return static_cast<int>(start_col_obj->Number()); |
| } |
| |
| |
| int Message::GetEndColumn() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Message::GetEndColumn()", return kNoColumnInfo); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> start_col_obj; |
| has_pending_exception = |
| !CallV8HeapFunction(isolate, "GetPositionInLine", data_obj) |
| .ToHandle(&start_col_obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, 0); |
| i::Handle<i::JSMessageObject> message = |
| i::Handle<i::JSMessageObject>::cast(data_obj); |
| int start = message->start_position(); |
| int end = message->end_position(); |
| return static_cast<int>(start_col_obj->Number()) + (end - start); |
| } |
| |
| |
| bool Message::IsSharedCrossOrigin() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSMessageObject> message = |
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
| i::Handle<i::JSValue> script = |
| i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script(), |
| isolate)); |
| return i::Script::cast(script->value())->is_shared_cross_origin(); |
| } |
| |
| |
| Local<String> Message::GetSourceLine() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Message::GetSourceLine()", return Local<String>()); |
| ENTER_V8(isolate); |
| EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = |
| !CallV8HeapFunction(isolate, "GetSourceLine", Utils::OpenHandle(this)) |
| .ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::String>()); |
| if (result->IsString()) { |
| return scope.Escape(Utils::ToLocal(i::Handle<i::String>::cast(result))); |
| } else { |
| return Local<String>(); |
| } |
| } |
| |
| |
| void Message::PrintCurrentStackTrace(Isolate* isolate, FILE* out) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| ENTER_V8(i_isolate); |
| i_isolate->PrintCurrentStackTrace(out); |
| } |
| |
| |
| // --- S t a c k T r a c e --- |
| |
| Local<StackFrame> StackTrace::GetFrame(uint32_t index) const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::JSArray> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> obj = |
| i::Object::GetElement(isolate, self, index).ToHandleChecked(); |
| i::Handle<i::JSObject> jsobj = i::Handle<i::JSObject>::cast(obj); |
| return scope.Escape(Utils::StackFrameToLocal(jsobj)); |
| } |
| |
| |
| int StackTrace::GetFrameCount() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| return i::Smi::cast(Utils::OpenHandle(this)->length())->value(); |
| } |
| |
| |
| Local<Array> StackTrace::AsArray() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| return Utils::ToLocal(Utils::OpenHandle(this)); |
| } |
| |
| |
| Local<StackTrace> StackTrace::CurrentStackTrace( |
| Isolate* isolate, |
| int frame_limit, |
| StackTraceOptions options) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| ENTER_V8(i_isolate); |
| // TODO(dcarney): remove when ScriptDebugServer is fixed. |
| options = static_cast<StackTraceOptions>( |
| static_cast<int>(options) | kExposeFramesAcrossSecurityOrigins); |
| i::Handle<i::JSArray> stackTrace = |
| i_isolate->CaptureCurrentStackTrace(frame_limit, options); |
| return Utils::StackTraceToLocal(stackTrace); |
| } |
| |
| |
| // --- S t a c k F r a m e --- |
| |
| static int getIntProperty(const StackFrame* f, const char* propertyName, |
| int defaultValue) { |
| i::Isolate* isolate = Utils::OpenHandle(f)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(f); |
| i::Handle<i::Object> obj = |
| i::Object::GetProperty(isolate, self, propertyName).ToHandleChecked(); |
| return obj->IsSmi() ? i::Smi::cast(*obj)->value() : defaultValue; |
| } |
| |
| |
| int StackFrame::GetLineNumber() const { |
| return getIntProperty(this, "lineNumber", Message::kNoLineNumberInfo); |
| } |
| |
| |
| int StackFrame::GetColumn() const { |
| return getIntProperty(this, "column", Message::kNoColumnInfo); |
| } |
| |
| |
| int StackFrame::GetScriptId() const { |
| return getIntProperty(this, "scriptId", Message::kNoScriptIdInfo); |
| } |
| |
| |
| static Local<String> getStringProperty(const StackFrame* f, |
| const char* propertyName) { |
| i::Isolate* isolate = Utils::OpenHandle(f)->GetIsolate(); |
| ENTER_V8(isolate); |
| EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(f); |
| i::Handle<i::Object> obj = |
| i::Object::GetProperty(isolate, self, propertyName).ToHandleChecked(); |
| return obj->IsString() |
| ? scope.Escape(Local<String>::Cast(Utils::ToLocal(obj))) |
| : Local<String>(); |
| } |
| |
| |
| Local<String> StackFrame::GetScriptName() const { |
| return getStringProperty(this, "scriptName"); |
| } |
| |
| |
| Local<String> StackFrame::GetScriptNameOrSourceURL() const { |
| return getStringProperty(this, "scriptNameOrSourceURL"); |
| } |
| |
| |
| Local<String> StackFrame::GetFunctionName() const { |
| return getStringProperty(this, "functionName"); |
| } |
| |
| |
| static bool getBoolProperty(const StackFrame* f, const char* propertyName) { |
| i::Isolate* isolate = Utils::OpenHandle(f)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(f); |
| i::Handle<i::Object> obj = |
| i::Object::GetProperty(isolate, self, propertyName).ToHandleChecked(); |
| return obj->IsTrue(); |
| } |
| |
| bool StackFrame::IsEval() const { return getBoolProperty(this, "isEval"); } |
| |
| |
| bool StackFrame::IsConstructor() const { |
| return getBoolProperty(this, "isConstructor"); |
| } |
| |
| |
| // --- J S O N --- |
| |
| Local<Value> JSON::Parse(Local<String> json_string) { |
| i::Handle<i::String> string = Utils::OpenHandle(*json_string); |
| i::Isolate* isolate = string->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::String> source = i::String::Flatten(string); |
| EXCEPTION_PREAMBLE(isolate); |
| i::MaybeHandle<i::Object> maybe_result = |
| source->IsSeqOneByteString() ? i::JsonParser<true>::Parse(source) |
| : i::JsonParser<false>::Parse(source); |
| i::Handle<i::Object> result; |
| has_pending_exception = !maybe_result.ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>()); |
| return Utils::ToLocal( |
| i::Handle<i::Object>::cast(scope.CloseAndEscape(result))); |
| } |
| |
| |
| // --- D a t a --- |
| |
| bool Value::FullIsUndefined() const { |
| bool result = Utils::OpenHandle(this)->IsUndefined(); |
| DCHECK_EQ(result, QuickIsUndefined()); |
| return result; |
| } |
| |
| |
| bool Value::FullIsNull() const { |
| bool result = Utils::OpenHandle(this)->IsNull(); |
| DCHECK_EQ(result, QuickIsNull()); |
| return result; |
| } |
| |
| |
| bool Value::IsTrue() const { |
| return Utils::OpenHandle(this)->IsTrue(); |
| } |
| |
| |
| bool Value::IsFalse() const { |
| return Utils::OpenHandle(this)->IsFalse(); |
| } |
| |
| |
| bool Value::IsFunction() const { |
| return Utils::OpenHandle(this)->IsJSFunction(); |
| } |
| |
| |
| bool Value::IsName() const { |
| return Utils::OpenHandle(this)->IsName(); |
| } |
| |
| |
| bool Value::FullIsString() const { |
| bool result = Utils::OpenHandle(this)->IsString(); |
| DCHECK_EQ(result, QuickIsString()); |
| return result; |
| } |
| |
| |
| bool Value::IsSymbol() const { |
| return Utils::OpenHandle(this)->IsSymbol(); |
| } |
| |
| |
| bool Value::IsArray() const { |
| return Utils::OpenHandle(this)->IsJSArray(); |
| } |
| |
| |
| bool Value::IsArrayBuffer() const { |
| return Utils::OpenHandle(this)->IsJSArrayBuffer(); |
| } |
| |
| |
| bool Value::IsArrayBufferView() const { |
| return Utils::OpenHandle(this)->IsJSArrayBufferView(); |
| } |
| |
| |
| bool Value::IsTypedArray() const { |
| return Utils::OpenHandle(this)->IsJSTypedArray(); |
| } |
| |
| |
| #define VALUE_IS_TYPED_ARRAY(Type, typeName, TYPE, ctype, size) \ |
| bool Value::Is##Type##Array() const { \ |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); \ |
| return obj->IsJSTypedArray() && \ |
| i::JSTypedArray::cast(*obj)->type() == kExternal##Type##Array; \ |
| } |
| |
| TYPED_ARRAYS(VALUE_IS_TYPED_ARRAY) |
| |
| #undef VALUE_IS_TYPED_ARRAY |
| |
| |
| bool Value::IsDataView() const { |
| return Utils::OpenHandle(this)->IsJSDataView(); |
| } |
| |
| |
| bool Value::IsObject() const { |
| return Utils::OpenHandle(this)->IsJSObject(); |
| } |
| |
| |
| bool Value::IsNumber() const { |
| return Utils::OpenHandle(this)->IsNumber(); |
| } |
| |
| |
| #define VALUE_IS_SPECIFIC_TYPE(Type, Class) \ |
| bool Value::Is##Type() const { \ |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); \ |
| if (!obj->IsHeapObject()) return false; \ |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); \ |
| return obj->HasSpecificClassOf(isolate->heap()->Class##_string()); \ |
| } |
| |
| VALUE_IS_SPECIFIC_TYPE(ArgumentsObject, Arguments) |
| VALUE_IS_SPECIFIC_TYPE(BooleanObject, Boolean) |
| VALUE_IS_SPECIFIC_TYPE(NumberObject, Number) |
| VALUE_IS_SPECIFIC_TYPE(StringObject, String) |
| VALUE_IS_SPECIFIC_TYPE(SymbolObject, Symbol) |
| VALUE_IS_SPECIFIC_TYPE(Date, Date) |
| VALUE_IS_SPECIFIC_TYPE(Map, Map) |
| VALUE_IS_SPECIFIC_TYPE(Set, Set) |
| VALUE_IS_SPECIFIC_TYPE(WeakMap, WeakMap) |
| VALUE_IS_SPECIFIC_TYPE(WeakSet, WeakSet) |
| |
| #undef VALUE_IS_SPECIFIC_TYPE |
| |
| |
| bool Value::IsBoolean() const { |
| return Utils::OpenHandle(this)->IsBoolean(); |
| } |
| |
| |
| bool Value::IsExternal() const { |
| return Utils::OpenHandle(this)->IsExternal(); |
| } |
| |
| |
| bool Value::IsInt32() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsSmi()) return true; |
| if (obj->IsNumber()) { |
| return i::IsInt32Double(obj->Number()); |
| } |
| return false; |
| } |
| |
| |
| bool Value::IsUint32() const { |
| 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::IsMinusZero(value) && |
| value >= 0 && |
| value <= i::kMaxUInt32 && |
| value == i::FastUI2D(i::FastD2UI(value)); |
| } |
| return false; |
| } |
| |
| |
| static bool CheckConstructor(i::Isolate* isolate, |
| i::Handle<i::JSObject> obj, |
| const char* class_name) { |
| i::Handle<i::Object> constr(obj->map()->constructor(), isolate); |
| if (!constr->IsJSFunction()) return false; |
| i::Handle<i::JSFunction> func = i::Handle<i::JSFunction>::cast(constr); |
| return func->shared()->native() && constr.is_identical_to( |
| i::Object::GetProperty(isolate, |
| isolate->js_builtins_object(), |
| class_name).ToHandleChecked()); |
| } |
| |
| |
| bool Value::IsNativeError() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsJSObject()) { |
| i::Handle<i::JSObject> js_obj(i::JSObject::cast(*obj)); |
| i::Isolate* isolate = js_obj->GetIsolate(); |
| return CheckConstructor(isolate, js_obj, "$Error") || |
| CheckConstructor(isolate, js_obj, "$EvalError") || |
| CheckConstructor(isolate, js_obj, "$RangeError") || |
| CheckConstructor(isolate, js_obj, "$ReferenceError") || |
| CheckConstructor(isolate, js_obj, "$SyntaxError") || |
| CheckConstructor(isolate, js_obj, "$TypeError") || |
| CheckConstructor(isolate, js_obj, "$URIError"); |
| } else { |
| return false; |
| } |
| } |
| |
| |
| bool Value::IsRegExp() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return obj->IsJSRegExp(); |
| } |
| |
| |
| bool Value::IsGeneratorFunction() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (!obj->IsJSFunction()) return false; |
| i::Handle<i::JSFunction> func = i::Handle<i::JSFunction>::cast(obj); |
| return func->shared()->is_generator(); |
| } |
| |
| |
| bool Value::IsGeneratorObject() const { |
| return Utils::OpenHandle(this)->IsJSGeneratorObject(); |
| } |
| |
| |
| bool Value::IsMapIterator() const { |
| return Utils::OpenHandle(this)->IsJSMapIterator(); |
| } |
| |
| |
| bool Value::IsSetIterator() const { |
| return Utils::OpenHandle(this)->IsJSSetIterator(); |
| } |
| |
| |
| Local<String> Value::ToString(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> str; |
| if (obj->IsString()) { |
| str = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToString"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToString( |
| isolate, obj).ToHandle(&str); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<String>()); |
| } |
| return ToApiHandle<String>(str); |
| } |
| |
| |
| Local<String> Value::ToDetailString(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> str; |
| if (obj->IsString()) { |
| str = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToDetailString"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToDetailString( |
| isolate, obj).ToHandle(&str); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<String>()); |
| } |
| return ToApiHandle<String>(str); |
| } |
| |
| |
| Local<v8::Object> Value::ToObject(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> val; |
| if (obj->IsJSObject()) { |
| val = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToObject"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToObject( |
| isolate, obj).ToHandle(&val); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>()); |
| } |
| return ToApiHandle<Object>(val); |
| } |
| |
| |
| Local<Boolean> Value::ToBoolean(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsBoolean()) { |
| return ToApiHandle<Boolean>(obj); |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToBoolean"); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> val = |
| isolate->factory()->ToBoolean(obj->BooleanValue()); |
| return ToApiHandle<Boolean>(val); |
| } |
| } |
| |
| |
| Local<Number> Value::ToNumber(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> num; |
| if (obj->IsNumber()) { |
| num = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToNumber"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToNumber( |
| isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Number>()); |
| } |
| return ToApiHandle<Number>(num); |
| } |
| |
| |
| Local<Integer> Value::ToInteger(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> num; |
| if (obj->IsSmi()) { |
| num = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToInteger"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToInteger( |
| isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Integer>()); |
| } |
| return ToApiHandle<Integer>(num); |
| } |
| |
| |
| void i::Internals::CheckInitializedImpl(v8::Isolate* external_isolate) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate); |
| Utils::ApiCheck(isolate != NULL && |
| !isolate->IsDead(), |
| "v8::internal::Internals::CheckInitialized()", |
| "Isolate is not initialized or V8 has died"); |
| } |
| |
| |
| void External::CheckCast(v8::Value* that) { |
| Utils::ApiCheck(Utils::OpenHandle(that)->IsExternal(), |
| "v8::External::Cast()", |
| "Could not convert to external"); |
| } |
| |
| |
| void v8::Object::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSObject(), |
| "v8::Object::Cast()", |
| "Could not convert to object"); |
| } |
| |
| |
| void v8::Function::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSFunction(), |
| "v8::Function::Cast()", |
| "Could not convert to function"); |
| } |
| |
| |
| void v8::Name::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsName(), |
| "v8::Name::Cast()", |
| "Could not convert to name"); |
| } |
| |
| |
| void v8::String::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsString(), |
| "v8::String::Cast()", |
| "Could not convert to string"); |
| } |
| |
| |
| void v8::Symbol::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsSymbol(), |
| "v8::Symbol::Cast()", |
| "Could not convert to symbol"); |
| } |
| |
| |
| void v8::Number::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsNumber(), |
| "v8::Number::Cast()", |
| "Could not convert to number"); |
| } |
| |
| |
| void v8::Integer::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsNumber(), |
| "v8::Integer::Cast()", |
| "Could not convert to number"); |
| } |
| |
| |
| void v8::Array::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSArray(), |
| "v8::Array::Cast()", |
| "Could not convert to array"); |
| } |
| |
| |
| void v8::Promise::CheckCast(Value* that) { |
| Utils::ApiCheck(that->IsPromise(), |
| "v8::Promise::Cast()", |
| "Could not convert to promise"); |
| } |
| |
| |
| void v8::Promise::Resolver::CheckCast(Value* that) { |
| Utils::ApiCheck(that->IsPromise(), |
| "v8::Promise::Resolver::Cast()", |
| "Could not convert to promise resolver"); |
| } |
| |
| |
| void v8::ArrayBuffer::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSArrayBuffer(), |
| "v8::ArrayBuffer::Cast()", |
| "Could not convert to ArrayBuffer"); |
| } |
| |
| |
| void v8::ArrayBufferView::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSArrayBufferView(), |
| "v8::ArrayBufferView::Cast()", |
| "Could not convert to ArrayBufferView"); |
| } |
| |
| |
| void v8::TypedArray::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSTypedArray(), |
| "v8::TypedArray::Cast()", |
| "Could not convert to TypedArray"); |
| } |
| |
| |
| #define CHECK_TYPED_ARRAY_CAST(Type, typeName, TYPE, ctype, size) \ |
| void v8::Type##Array::CheckCast(Value* that) { \ |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); \ |
| Utils::ApiCheck(obj->IsJSTypedArray() && \ |
| i::JSTypedArray::cast(*obj)->type() == \ |
| kExternal##Type##Array, \ |
| "v8::" #Type "Array::Cast()", \ |
| "Could not convert to " #Type "Array"); \ |
| } |
| |
| |
| TYPED_ARRAYS(CHECK_TYPED_ARRAY_CAST) |
| |
| #undef CHECK_TYPED_ARRAY_CAST |
| |
| |
| void v8::DataView::CheckCast(Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSDataView(), |
| "v8::DataView::Cast()", |
| "Could not convert to DataView"); |
| } |
| |
| |
| void v8::Date::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| i::Isolate* isolate = NULL; |
| if (obj->IsHeapObject()) isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| Utils::ApiCheck(isolate != NULL && |
| obj->HasSpecificClassOf(isolate->heap()->Date_string()), |
| "v8::Date::Cast()", |
| "Could not convert to date"); |
| } |
| |
| |
| void v8::StringObject::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| i::Isolate* isolate = NULL; |
| if (obj->IsHeapObject()) isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| Utils::ApiCheck(isolate != NULL && |
| obj->HasSpecificClassOf(isolate->heap()->String_string()), |
| "v8::StringObject::Cast()", |
| "Could not convert to StringObject"); |
| } |
| |
| |
| void v8::SymbolObject::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| i::Isolate* isolate = NULL; |
| if (obj->IsHeapObject()) isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| Utils::ApiCheck(isolate != NULL && |
| obj->HasSpecificClassOf(isolate->heap()->Symbol_string()), |
| "v8::SymbolObject::Cast()", |
| "Could not convert to SymbolObject"); |
| } |
| |
| |
| void v8::NumberObject::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| i::Isolate* isolate = NULL; |
| if (obj->IsHeapObject()) isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| Utils::ApiCheck(isolate != NULL && |
| obj->HasSpecificClassOf(isolate->heap()->Number_string()), |
| "v8::NumberObject::Cast()", |
| "Could not convert to NumberObject"); |
| } |
| |
| |
| void v8::BooleanObject::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| i::Isolate* isolate = NULL; |
| if (obj->IsHeapObject()) isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| Utils::ApiCheck(isolate != NULL && |
| obj->HasSpecificClassOf(isolate->heap()->Boolean_string()), |
| "v8::BooleanObject::Cast()", |
| "Could not convert to BooleanObject"); |
| } |
| |
| |
| void v8::RegExp::CheckCast(v8::Value* that) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(that); |
| Utils::ApiCheck(obj->IsJSRegExp(), |
| "v8::RegExp::Cast()", |
| "Could not convert to regular expression"); |
| } |
| |
| |
| bool Value::BooleanValue() const { |
| return Utils::OpenHandle(this)->BooleanValue(); |
| } |
| |
| |
| double Value::NumberValue() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> num; |
| if (obj->IsNumber()) { |
| num = obj; |
| } else { |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| LOG_API(isolate, "NumberValue"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToNumber( |
| isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, base::OS::nan_value()); |
| } |
| return num->Number(); |
| } |
| |
| |
| int64_t Value::IntegerValue() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> num; |
| if (obj->IsNumber()) { |
| num = obj; |
| } else { |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| LOG_API(isolate, "IntegerValue"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToInteger( |
| isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, 0); |
| } |
| if (num->IsSmi()) { |
| return i::Smi::cast(*num)->value(); |
| } else { |
| return static_cast<int64_t>(num->Number()); |
| } |
| } |
| |
| |
| Local<Int32> Value::ToInt32(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> num; |
| if (obj->IsSmi()) { |
| num = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToInt32"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToInt32(isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Int32>()); |
| } |
| return ToApiHandle<Int32>(num); |
| } |
| |
| |
| Local<Uint32> Value::ToUint32(Isolate* v8_isolate) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> num; |
| if (obj->IsSmi()) { |
| num = obj; |
| } else { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "ToUInt32"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToUint32( |
| isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>()); |
| } |
| return ToApiHandle<Uint32>(num); |
| } |
| |
| |
| Local<Uint32> Value::ToArrayIndex() const { |
| 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>(); |
| } |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| LOG_API(isolate, "ToArrayIndex"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> string_obj; |
| has_pending_exception = !i::Execution::ToString( |
| isolate, obj).ToHandle(&string_obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, 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), isolate); |
| } else { |
| value = isolate->factory()->NewNumber(index); |
| } |
| return Utils::Uint32ToLocal(value); |
| } |
| return Local<Uint32>(); |
| } |
| |
| |
| int32_t Value::Int32Value() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsSmi()) { |
| return i::Smi::cast(*obj)->value(); |
| } else { |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| LOG_API(isolate, "Int32Value (slow)"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> num; |
| has_pending_exception = !i::Execution::ToInt32(isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, 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 { |
| i::Isolate* isolate = i::Isolate::Current(); |
| i::Handle<i::Object> obj = Utils::OpenHandle(this, true); |
| if (!Utils::ApiCheck(!obj.is_null() && !that.IsEmpty(), |
| "v8::Value::Equals()", |
| "Reading from empty handle")) { |
| return false; |
| } |
| LOG_API(isolate, "Equals"); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> other = Utils::OpenHandle(*that); |
| // If both obj and other are JSObjects, we'd better compare by identity |
| // immediately when going into JS builtin. The reason is Invoke |
| // would overwrite global object receiver with global proxy. |
| if (obj->IsJSObject() && other->IsJSObject()) { |
| return *obj == *other; |
| } |
| i::Handle<i::Object> args[] = { other }; |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = |
| !CallV8HeapFunction(isolate, "EQUALS", obj, arraysize(args), args) |
| .ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return *result == i::Smi::FromInt(i::EQUAL); |
| } |
| |
| |
| bool Value::StrictEquals(Handle<Value> that) const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| i::Handle<i::Object> obj = Utils::OpenHandle(this, true); |
| if (!Utils::ApiCheck(!obj.is_null() && !that.IsEmpty(), |
| "v8::Value::StrictEquals()", |
| "Reading from empty handle")) { |
| return false; |
| } |
| LOG_API(isolate, "StrictEquals"); |
| 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 && !std::isnan(x) && !std::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::Equals(i::Handle<i::String>::cast(obj), |
| i::Handle<i::String>::cast(other)); |
| } else if (obj->IsUndefined() || obj->IsUndetectableObject()) { |
| return other->IsUndefined() || other->IsUndetectableObject(); |
| } else { |
| return false; |
| } |
| } |
| |
| |
| bool Value::SameValue(Handle<Value> that) const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this, true); |
| if (!Utils::ApiCheck(!obj.is_null() && !that.IsEmpty(), |
| "v8::Value::SameValue()", |
| "Reading from empty handle")) { |
| return false; |
| } |
| i::Handle<i::Object> other = Utils::OpenHandle(*that); |
| return obj->SameValue(*other); |
| } |
| |
| |
| uint32_t Value::Uint32Value() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| if (obj->IsSmi()) { |
| return i::Smi::cast(*obj)->value(); |
| } else { |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| LOG_API(isolate, "Uint32Value"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> num; |
| has_pending_exception = !i::Execution::ToUint32( |
| isolate, obj).ToHandle(&num); |
| EXCEPTION_BAILOUT_CHECK(isolate, 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) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Set()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| 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(isolate); |
| has_pending_exception = |
| i::Runtime::SetObjectProperty(isolate, self, key_obj, value_obj, |
| i::SLOPPY).is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return true; |
| } |
| |
| |
| bool v8::Object::Set(uint32_t index, v8::Handle<Value> value) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Set()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = i::JSObject::SetElement( |
| self, index, value_obj, NONE, i::SLOPPY).is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return true; |
| } |
| |
| |
| bool v8::Object::ForceSet(v8::Handle<Value> key, |
| v8::Handle<Value> value, |
| v8::PropertyAttribute attribs) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::ForceSet()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| 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(isolate); |
| has_pending_exception = i::Runtime::DefineObjectProperty( |
| self, |
| key_obj, |
| value_obj, |
| static_cast<PropertyAttributes>(attribs)).is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return true; |
| } |
| |
| |
| bool v8::Object::SetPrivate(v8::Handle<Private> key, v8::Handle<Value> value) { |
| return ForceSet(v8::Handle<Value>(reinterpret_cast<Value*>(*key)), |
| value, DontEnum); |
| } |
| |
| |
| i::MaybeHandle<i::Object> DeleteObjectProperty( |
| i::Isolate* isolate, i::Handle<i::JSReceiver> receiver, |
| i::Handle<i::Object> key, i::JSReceiver::DeleteMode mode) { |
| // Check if the given key is an array index. |
| uint32_t index; |
| if (key->ToArrayIndex(&index)) { |
| // In Firefox/SpiderMonkey, Safari and Opera you can access the |
| // characters of a string using [] notation. In the case of a |
| // String object we just need to redirect the deletion to the |
| // underlying string if the index is in range. Since the |
| // underlying string does nothing with the deletion, we can ignore |
| // such deletions. |
| if (receiver->IsStringObjectWithCharacterAt(index)) { |
| return isolate->factory()->true_value(); |
| } |
| |
| return i::JSReceiver::DeleteElement(receiver, index, mode); |
| } |
| |
| i::Handle<i::Name> name; |
| if (key->IsName()) { |
| name = i::Handle<i::Name>::cast(key); |
| } else { |
| // Call-back into JavaScript to convert the key to a string. |
| i::Handle<i::Object> converted; |
| if (!i::Execution::ToString(isolate, key).ToHandle(&converted)) { |
| return i::MaybeHandle<i::Object>(); |
| } |
| name = i::Handle<i::String>::cast(converted); |
| } |
| |
| if (name->IsString()) { |
| name = i::String::Flatten(i::Handle<i::String>::cast(name)); |
| } |
| return i::JSReceiver::DeleteProperty(receiver, name, mode); |
| } |
| |
| |
| bool v8::Object::ForceDelete(v8::Handle<Value> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::ForceDelete()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| |
| // When deleting a property on the global object using ForceDelete |
| // deoptimize all functions as optimized code does not check for the hole |
| // value with DontDelete properties. We have to deoptimize all contexts |
| // because of possible cross-context inlined functions. |
| if (self->IsJSGlobalProxy() || self->IsGlobalObject()) { |
| i::Deoptimizer::DeoptimizeAll(isolate); |
| } |
| |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> obj; |
| has_pending_exception = |
| !DeleteObjectProperty(isolate, self, key_obj, |
| i::JSReceiver::FORCE_DELETION).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return obj->IsTrue(); |
| } |
| |
| |
| Local<Value> v8::Object::Get(v8::Handle<Value> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = |
| !i::Runtime::GetObjectProperty(isolate, self, key_obj).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<Value> v8::Object::Get(uint32_t index) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = |
| !i::Object::GetElement(isolate, self, index).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<Value> v8::Object::GetPrivate(v8::Handle<Private> key) { |
| return Get(v8::Handle<Value>(reinterpret_cast<Value*>(*key))); |
| } |
| |
| |
| PropertyAttribute v8::Object::GetPropertyAttributes(v8::Handle<Value> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetPropertyAttributes()", |
| return static_cast<PropertyAttribute>(NONE)); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| if (!key_obj->IsName()) { |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !i::Execution::ToString( |
| isolate, key_obj).ToHandle(&key_obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, static_cast<PropertyAttribute>(NONE)); |
| } |
| i::Handle<i::Name> key_name = i::Handle<i::Name>::cast(key_obj); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<PropertyAttributes> result = |
| i::JSReceiver::GetPropertyAttributes(self, key_name); |
| has_pending_exception = !result.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate, static_cast<PropertyAttribute>(NONE)); |
| if (result.value == ABSENT) return static_cast<PropertyAttribute>(NONE); |
| return static_cast<PropertyAttribute>(result.value); |
| } |
| |
| |
| Local<Value> v8::Object::GetOwnPropertyDescriptor(Local<String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetOwnPropertyDescriptor()", |
| return Local<Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| i::Handle<i::Name> key_name = Utils::OpenHandle(*key); |
| i::Handle<i::Object> args[] = { obj, key_name }; |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = |
| !CallV8HeapFunction(isolate, "ObjectGetOwnPropertyDescriptor", |
| isolate->factory()->undefined_value(), |
| arraysize(args), args).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<Value> v8::Object::GetPrototype() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetPrototype()", return Local<v8::Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> self = Utils::OpenHandle(this); |
| i::PrototypeIterator iter(isolate, self); |
| return Utils::ToLocal(i::PrototypeIterator::GetCurrent(iter)); |
| } |
| |
| |
| bool v8::Object::SetPrototype(Handle<Value> value) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::SetPrototype()", return false); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| // We do not allow exceptions thrown while setting the prototype |
| // to propagate outside. |
| TryCatch try_catch; |
| EXCEPTION_PREAMBLE(isolate); |
| i::MaybeHandle<i::Object> result = |
| i::JSObject::SetPrototype(self, value_obj, false); |
| has_pending_exception = result.is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return true; |
| } |
| |
| |
| Local<Object> v8::Object::FindInstanceInPrototypeChain( |
| v8::Handle<FunctionTemplate> tmpl) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, |
| "v8::Object::FindInstanceInPrototypeChain()", |
| return Local<v8::Object>()); |
| ENTER_V8(isolate); |
| i::PrototypeIterator iter(isolate, *Utils::OpenHandle(this), |
| i::PrototypeIterator::START_AT_RECEIVER); |
| i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl); |
| while (!tmpl_info->IsTemplateFor(iter.GetCurrent())) { |
| iter.Advance(); |
| if (iter.IsAtEnd()) { |
| return Local<Object>(); |
| } |
| } |
| return Utils::ToLocal( |
| i::handle(i::JSObject::cast(iter.GetCurrent()), isolate)); |
| } |
| |
| |
| Local<Array> v8::Object::GetPropertyNames() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetPropertyNames()", |
| return Local<v8::Array>()); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::FixedArray> value; |
| has_pending_exception = !i::JSReceiver::GetKeys( |
| self, i::JSReceiver::INCLUDE_PROTOS).ToHandle(&value); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Array>()); |
| // 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 = isolate->factory()->CopyFixedArray(value); |
| i::Handle<i::JSArray> result = |
| isolate->factory()->NewJSArrayWithElements(elms); |
| return Utils::ToLocal(scope.CloseAndEscape(result)); |
| } |
| |
| |
| Local<Array> v8::Object::GetOwnPropertyNames() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetOwnPropertyNames()", |
| return Local<v8::Array>()); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::FixedArray> value; |
| has_pending_exception = !i::JSReceiver::GetKeys( |
| self, i::JSReceiver::OWN_ONLY).ToHandle(&value); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Array>()); |
| // 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 = isolate->factory()->CopyFixedArray(value); |
| i::Handle<i::JSArray> result = |
| isolate->factory()->NewJSArrayWithElements(elms); |
| return Utils::ToLocal(scope.CloseAndEscape(result)); |
| } |
| |
| |
| static bool GetPredefinedToString(i::Handle<i::String> tag, |
| Local<String>* result) { |
| i::Isolate* i_isolate = tag->GetIsolate(); |
| Isolate* isolate = reinterpret_cast<Isolate*>(i_isolate); |
| i::Factory* factory = i_isolate->factory(); |
| |
| if (i::String::Equals(tag, factory->Arguments_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Arguments]"); |
| } else if (i::String::Equals(tag, factory->Array_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Array]"); |
| } else if (i::String::Equals(tag, factory->Boolean_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Boolean]"); |
| } else if (i::String::Equals(tag, factory->Date_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Date]"); |
| } else if (i::String::Equals(tag, factory->Error_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Error]"); |
| } else if (i::String::Equals(tag, factory->Function_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Function]"); |
| } else if (i::String::Equals(tag, factory->Number_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~Number]"); |
| } else if (i::String::Equals(tag, factory->RegExp_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~RegExp]"); |
| } else if (i::String::Equals(tag, factory->String_string())) { |
| *result = v8::String::NewFromUtf8(isolate, "[object ~String]"); |
| } else { |
| return false; |
| } |
| return true; |
| } |
| |
| |
| Local<String> v8::Object::ObjectProtoToString() { |
| i::Isolate* i_isolate = Utils::OpenHandle(this)->GetIsolate(); |
| Isolate* isolate = reinterpret_cast<Isolate*>(i_isolate); |
| ON_BAILOUT(i_isolate, "v8::Object::ObjectProtoToString()", |
| return Local<v8::String>()); |
| ENTER_V8(i_isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| |
| i::Handle<i::Object> name(self->class_name(), i_isolate); |
| i::Handle<i::Object> tag; |
| |
| // 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::NewFromUtf8(isolate, "[object ]"); |
| } else { |
| i::Handle<i::String> class_name = i::Handle<i::String>::cast(name); |
| if (i::String::Equals(class_name, |
| i_isolate->factory()->Arguments_string())) { |
| return v8::String::NewFromUtf8(isolate, "[object Object]"); |
| } else { |
| if (internal::FLAG_harmony_tostring) { |
| i::Handle<i::Symbol> toStringTag = |
| Utils::OpenHandle(*Symbol::GetToStringTag(isolate)); |
| EXCEPTION_PREAMBLE(i_isolate); |
| has_pending_exception = |
| !i::Runtime::GetObjectProperty(i_isolate, self, toStringTag) |
| .ToHandle(&tag); |
| EXCEPTION_BAILOUT_CHECK(i_isolate, Local<v8::String>()); |
| |
| if (!tag->IsUndefined()) { |
| if (!tag->IsString()) |
| return v8::String::NewFromUtf8(isolate, "[object ???]"); |
| i::Handle<i::String> tag_name = i::Handle<i::String>::cast(tag); |
| if (!i::String::Equals(class_name, tag_name)) { |
| Local<String> result; |
| if (GetPredefinedToString(tag_name, &result)) return result; |
| |
| class_name = tag_name; |
| } |
| } |
| } |
| const char* prefix = "[object "; |
| Local<String> str = Utils::ToLocal(class_name); |
| const char* postfix = "]"; |
| |
| int prefix_len = i::StrLength(prefix); |
| int str_len = str->Utf8Length(); |
| 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(); |
| i::MemCopy(ptr, prefix, prefix_len * v8::internal::kCharSize); |
| ptr += prefix_len; |
| |
| // Write real content. |
| str->WriteUtf8(ptr, str_len); |
| ptr += str_len; |
| |
| // Write postfix. |
| i::MemCopy(ptr, postfix, postfix_len * v8::internal::kCharSize); |
| |
| // Copy the buffer into a heap-allocated string and return it. |
| Local<String> result = v8::String::NewFromUtf8( |
| isolate, buf.start(), String::kNormalString, buf_len); |
| return result; |
| } |
| } |
| } |
| |
| |
| Local<String> v8::Object::GetConstructorName() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetConstructorName()", |
| return Local<v8::String>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::String> name(self->constructor_name()); |
| return Utils::ToLocal(name); |
| } |
| |
| |
| bool v8::Object::Delete(v8::Handle<Value> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Delete()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> obj; |
| has_pending_exception = |
| !DeleteObjectProperty(isolate, self, key_obj, |
| i::JSReceiver::NORMAL_DELETION).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return obj->IsTrue(); |
| } |
| |
| |
| bool v8::Object::DeletePrivate(v8::Handle<Private> key) { |
| return Delete(v8::Handle<Value>(reinterpret_cast<Value*>(*key))); |
| } |
| |
| |
| bool v8::Object::Has(v8::Handle<Value> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Has()", return false); |
| ENTER_V8(isolate); |
| i::Handle<i::JSReceiver> self = Utils::OpenHandle(this); |
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<bool> maybe; |
| // Check if the given key is an array index. |
| uint32_t index; |
| if (key_obj->ToArrayIndex(&index)) { |
| maybe = i::JSReceiver::HasElement(self, index); |
| } else { |
| // Convert the key to a name - possibly by calling back into JavaScript. |
| i::Handle<i::Name> name; |
| if (i::Runtime::ToName(isolate, key_obj).ToHandle(&name)) { |
| maybe = i::JSReceiver::HasProperty(self, name); |
| } |
| } |
| if (!maybe.has_value) has_pending_exception = true; |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| DCHECK(maybe.has_value); |
| return maybe.value; |
| } |
| |
| |
| bool v8::Object::HasPrivate(v8::Handle<Private> key) { |
| // TODO(rossberg): this should use HasOwnProperty, but we'd need to |
| // generalise that to a (noy yet existant) Name argument first. |
| return Has(v8::Handle<Value>(reinterpret_cast<Value*>(*key))); |
| } |
| |
| |
| bool v8::Object::Delete(uint32_t index) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::DeleteProperty()", |
| return false); |
| ENTER_V8(isolate); |
| HandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> obj; |
| has_pending_exception = |
| !i::JSReceiver::DeleteElement(self, index).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return obj->IsTrue(); |
| } |
| |
| |
| bool v8::Object::Has(uint32_t index) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::HasProperty()", return false); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<bool> maybe = i::JSReceiver::HasElement(self, index); |
| has_pending_exception = !maybe.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return maybe.value; |
| } |
| |
| |
| template<typename Getter, typename Setter, typename Data> |
| static inline bool ObjectSetAccessor(Object* obj, |
| Handle<Name> name, |
| Getter getter, |
| Setter setter, |
| Data data, |
| AccessControl settings, |
| PropertyAttribute attributes) { |
| i::Isolate* isolate = Utils::OpenHandle(obj)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::SetAccessor()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| v8::Handle<AccessorSignature> signature; |
| i::Handle<i::AccessorInfo> info = MakeAccessorInfo( |
| name, getter, setter, data, settings, attributes, signature); |
| if (info.is_null()) return false; |
| bool fast = Utils::OpenHandle(obj)->HasFastProperties(); |
| i::Handle<i::Object> result; |
| ASSIGN_RETURN_ON_EXCEPTION_VALUE( |
| isolate, result, |
| i::JSObject::SetAccessor(Utils::OpenHandle(obj), info), |
| false); |
| if (result->IsUndefined()) return false; |
| if (fast) { |
| i::JSObject::MigrateSlowToFast(Utils::OpenHandle(obj), 0, "APISetAccessor"); |
| } |
| return true; |
| } |
| |
| |
| bool Object::SetAccessor(Handle<String> name, |
| AccessorGetterCallback getter, |
| AccessorSetterCallback setter, |
| v8::Handle<Value> data, |
| AccessControl settings, |
| PropertyAttribute attributes) { |
| return ObjectSetAccessor( |
| this, name, getter, setter, data, settings, attributes); |
| } |
| |
| |
| bool Object::SetAccessor(Handle<Name> name, |
| AccessorNameGetterCallback getter, |
| AccessorNameSetterCallback setter, |
| v8::Handle<Value> data, |
| AccessControl settings, |
| PropertyAttribute attributes) { |
| return ObjectSetAccessor( |
| this, name, getter, setter, data, settings, attributes); |
| } |
| |
| |
| bool Object::SetDeclaredAccessor(Local<Name> name, |
| Local<DeclaredAccessorDescriptor> descriptor, |
| PropertyAttribute attributes, |
| AccessControl settings) { |
| void* null = NULL; |
| return ObjectSetAccessor( |
| this, name, descriptor, null, null, settings, attributes); |
| } |
| |
| |
| void Object::SetAccessorProperty(Local<Name> name, |
| Local<Function> getter, |
| Handle<Function> setter, |
| PropertyAttribute attribute, |
| AccessControl settings) { |
| // TODO(verwaest): Remove |settings|. |
| DCHECK_EQ(v8::DEFAULT, settings); |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::SetAccessorProperty()", return); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::Object> getter_i = v8::Utils::OpenHandle(*getter); |
| i::Handle<i::Object> setter_i = v8::Utils::OpenHandle(*setter, true); |
| if (setter_i.is_null()) setter_i = isolate->factory()->null_value(); |
| i::JSObject::DefineAccessor(v8::Utils::OpenHandle(this), |
| v8::Utils::OpenHandle(*name), |
| getter_i, |
| setter_i, |
| static_cast<PropertyAttributes>(attribute)); |
| } |
| |
| |
| bool v8::Object::HasOwnProperty(Handle<String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::HasOwnProperty()", |
| return false); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<bool> maybe = i::JSReceiver::HasOwnProperty(Utils::OpenHandle(this), |
| Utils::OpenHandle(*key)); |
| has_pending_exception = !maybe.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return maybe.value; |
| } |
| |
| |
| bool v8::Object::HasRealNamedProperty(Handle<String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::HasRealNamedProperty()", |
| return false); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<bool> maybe = i::JSObject::HasRealNamedProperty( |
| Utils::OpenHandle(this), Utils::OpenHandle(*key)); |
| has_pending_exception = !maybe.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return maybe.value; |
| } |
| |
| |
| bool v8::Object::HasRealIndexedProperty(uint32_t index) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::HasRealIndexedProperty()", |
| return false); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<bool> maybe = |
| i::JSObject::HasRealElementProperty(Utils::OpenHandle(this), index); |
| has_pending_exception = !maybe.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return maybe.value; |
| } |
| |
| |
| bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, |
| "v8::Object::HasRealNamedCallbackProperty()", |
| return false); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| Maybe<bool> maybe = i::JSObject::HasRealNamedCallbackProperty( |
| Utils::OpenHandle(this), Utils::OpenHandle(*key)); |
| has_pending_exception = !maybe.has_value; |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return maybe.value; |
| } |
| |
| |
| bool v8::Object::HasNamedLookupInterceptor() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::HasNamedLookupInterceptor()", |
| return false); |
| return Utils::OpenHandle(this)->HasNamedInterceptor(); |
| } |
| |
| |
| bool v8::Object::HasIndexedLookupInterceptor() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::HasIndexedLookupInterceptor()", |
| return false); |
| return Utils::OpenHandle(this)->HasIndexedInterceptor(); |
| } |
| |
| |
| static Local<Value> GetPropertyByLookup(i::LookupIterator* it) { |
| // If the property being looked up is a callback, it can throw an exception. |
| EXCEPTION_PREAMBLE(it->isolate()); |
| i::Handle<i::Object> result; |
| has_pending_exception = !i::Object::GetProperty(it).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(it->isolate(), Local<Value>()); |
| |
| if (it->IsFound()) return Utils::ToLocal(result); |
| return Local<Value>(); |
| } |
| |
| |
| Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain( |
| Handle<String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, |
| "v8::Object::GetRealNamedPropertyInPrototypeChain()", |
| return Local<Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); |
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| i::PrototypeIterator iter(isolate, self_obj); |
| if (iter.IsAtEnd()) return Local<Value>(); |
| i::Handle<i::Object> proto = i::PrototypeIterator::GetCurrent(iter); |
| i::LookupIterator it(self_obj, key_obj, i::Handle<i::JSReceiver>::cast(proto), |
| i::LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR); |
| return GetPropertyByLookup(&it); |
| } |
| |
| |
| Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetRealNamedProperty()", |
| return Local<Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); |
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| i::LookupIterator it(self_obj, key_obj, |
| i::LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR); |
| return GetPropertyByLookup(&it); |
| } |
| |
| |
| // 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() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::TurnOnAccessCheck()", return); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| |
| // When turning on access checks for a global object deoptimize all functions |
| // as optimized code does not always handle access checks. |
| i::Deoptimizer::DeoptimizeGlobalObject(*obj); |
| |
| i::Handle<i::Map> new_map = |
| i::Map::Copy(i::Handle<i::Map>(obj->map()), "APITurnOnAccessCheck"); |
| new_map->set_is_access_check_needed(true); |
| i::JSObject::MigrateToMap(obj, new_map); |
| } |
| |
| |
| Local<v8::Object> v8::Object::Clone() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::Clone()", return Local<Object>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::JSObject> result = isolate->factory()->CopyJSObject(self); |
| has_pending_exception = result.is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<v8::Context> v8::Object::CreationContext() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, |
| "v8::Object::CreationContext()", return Local<v8::Context>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Context* context = self->GetCreationContext(); |
| return Utils::ToLocal(i::Handle<i::Context>(context)); |
| } |
| |
| |
| int v8::Object::GetIdentityHash() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetIdentityHash()", return 0); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| return i::JSReceiver::GetOrCreateIdentityHash(self)->value(); |
| } |
| |
| |
| bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key, |
| v8::Handle<v8::Value> value) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::SetHiddenValue()", return false); |
| if (value.IsEmpty()) return DeleteHiddenValue(key); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| i::Handle<i::String> key_string = |
| isolate->factory()->InternalizeString(key_obj); |
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); |
| i::Handle<i::Object> result = |
| i::JSObject::SetHiddenProperty(self, key_string, value_obj); |
| return *result == *self; |
| } |
| |
| |
| v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::GetHiddenValue()", |
| return Local<v8::Value>()); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| i::Handle<i::String> key_string = |
| isolate->factory()->InternalizeString(key_obj); |
| i::Handle<i::Object> result(self->GetHiddenProperty(key_string), isolate); |
| if (result->IsTheHole()) return v8::Local<v8::Value>(); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::DeleteHiddenValue()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); |
| i::Handle<i::String> key_string = |
| isolate->factory()->InternalizeString(key_obj); |
| i::JSObject::DeleteHiddenProperty(self, key_string); |
| return true; |
| } |
| |
| |
| namespace { |
| |
| static i::ElementsKind GetElementsKindFromExternalArrayType( |
| ExternalArrayType array_type) { |
| switch (array_type) { |
| #define ARRAY_TYPE_TO_ELEMENTS_KIND(Type, type, TYPE, ctype, size) \ |
| case kExternal##Type##Array: \ |
| return i::EXTERNAL_##TYPE##_ELEMENTS; |
| |
| TYPED_ARRAYS(ARRAY_TYPE_TO_ELEMENTS_KIND) |
| #undef ARRAY_TYPE_TO_ELEMENTS_KIND |
| } |
| UNREACHABLE(); |
| return i::DICTIONARY_ELEMENTS; |
| } |
| |
| |
| void PrepareExternalArrayElements(i::Handle<i::JSObject> object, |
| void* data, |
| ExternalArrayType array_type, |
| int length) { |
| i::Isolate* isolate = object->GetIsolate(); |
| i::Handle<i::ExternalArray> array = |
| isolate->factory()->NewExternalArray(length, array_type, data); |
| |
| i::Handle<i::Map> external_array_map = |
| i::JSObject::GetElementsTransitionMap( |
| object, |
| GetElementsKindFromExternalArrayType(array_type)); |
| |
| i::JSObject::SetMapAndElements(object, external_array_map, array); |
| } |
| |
| } // namespace |
| |
| |
| void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::SetElementsToPixelData()", return); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| if (!Utils::ApiCheck(length >= 0 && |
| length <= i::ExternalUint8ClampedArray::kMaxLength, |
| "v8::Object::SetIndexedPropertiesToPixelData()", |
| "length exceeds max acceptable value")) { |
| return; |
| } |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (!Utils::ApiCheck(!self->IsJSArray(), |
| "v8::Object::SetIndexedPropertiesToPixelData()", |
| "JSArray is not supported")) { |
| return; |
| } |
| PrepareExternalArrayElements(self, data, kExternalUint8ClampedArray, length); |
| } |
| |
| |
| bool v8::Object::HasIndexedPropertiesInPixelData() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), "v8::HasIndexedPropertiesInPixelData()", |
| return false); |
| return self->HasExternalUint8ClampedElements(); |
| } |
| |
| |
| uint8_t* v8::Object::GetIndexedPropertiesPixelData() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelData()", |
| return NULL); |
| if (self->HasExternalUint8ClampedElements()) { |
| return i::ExternalUint8ClampedArray::cast(self->elements())-> |
| external_uint8_clamped_pointer(); |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| int v8::Object::GetIndexedPropertiesPixelDataLength() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelDataLength()", |
| return -1); |
| if (self->HasExternalUint8ClampedElements()) { |
| return i::ExternalUint8ClampedArray::cast(self->elements())->length(); |
| } else { |
| return -1; |
| } |
| } |
| |
| |
| void v8::Object::SetIndexedPropertiesToExternalArrayData( |
| void* data, |
| ExternalArrayType array_type, |
| int length) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::SetIndexedPropertiesToExternalArrayData()", return); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| if (!Utils::ApiCheck(length >= 0 && length <= i::ExternalArray::kMaxLength, |
| "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| "length exceeds max acceptable value")) { |
| return; |
| } |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (!Utils::ApiCheck(!self->IsJSArray(), |
| "v8::Object::SetIndexedPropertiesToExternalArrayData()", |
| "JSArray is not supported")) { |
| return; |
| } |
| PrepareExternalArrayElements(self, data, array_type, length); |
| } |
| |
| |
| bool v8::Object::HasIndexedPropertiesInExternalArrayData() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), |
| "v8::HasIndexedPropertiesInExternalArrayData()", |
| return false); |
| return self->HasExternalArrayElements(); |
| } |
| |
| |
| void* v8::Object::GetIndexedPropertiesExternalArrayData() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), |
| "v8::GetIndexedPropertiesExternalArrayData()", |
| return NULL); |
| if (self->HasExternalArrayElements()) { |
| return i::ExternalArray::cast(self->elements())->external_pointer(); |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| ExternalArrayType v8::Object::GetIndexedPropertiesExternalArrayDataType() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), |
| "v8::GetIndexedPropertiesExternalArrayDataType()", |
| return static_cast<ExternalArrayType>(-1)); |
| switch (self->elements()->map()->instance_type()) { |
| #define INSTANCE_TYPE_TO_ARRAY_TYPE(Type, type, TYPE, ctype, size) \ |
| case i::EXTERNAL_##TYPE##_ARRAY_TYPE: \ |
| return kExternal##Type##Array; |
| TYPED_ARRAYS(INSTANCE_TYPE_TO_ARRAY_TYPE) |
| #undef INSTANCE_TYPE_TO_ARRAY_TYPE |
| default: |
| return static_cast<ExternalArrayType>(-1); |
| } |
| } |
| |
| |
| int v8::Object::GetIndexedPropertiesExternalArrayDataLength() { |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| ON_BAILOUT(self->GetIsolate(), |
| "v8::GetIndexedPropertiesExternalArrayDataLength()", |
| return 0); |
| if (self->HasExternalArrayElements()) { |
| return i::ExternalArray::cast(self->elements())->length(); |
| } else { |
| return -1; |
| } |
| } |
| |
| |
| bool v8::Object::IsCallable() { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::IsCallable()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| return obj->IsCallable(); |
| } |
| |
| |
| Local<v8::Value> Object::CallAsFunction(v8::Handle<v8::Value> recv, |
| int argc, |
| v8::Handle<v8::Value> argv[]) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::CallAsFunction()", |
| return Local<v8::Value>()); |
| LOG_API(isolate, "Object::CallAsFunction"); |
| ENTER_V8(isolate); |
| i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv); |
| STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv); |
| i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>(); |
| if (obj->IsJSFunction()) { |
| fun = i::Handle<i::JSFunction>::cast(obj); |
| } else { |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> delegate; |
| has_pending_exception = !i::Execution::TryGetFunctionDelegate( |
| isolate, obj).ToHandle(&delegate); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); |
| fun = i::Handle<i::JSFunction>::cast(delegate); |
| recv_obj = obj; |
| } |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> returned; |
| has_pending_exception = !i::Execution::Call( |
| isolate, fun, recv_obj, argc, args, true).ToHandle(&returned); |
| EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Value>()); |
| return Utils::ToLocal(scope.CloseAndEscape(returned)); |
| } |
| |
| |
| Local<v8::Value> Object::CallAsConstructor(int argc, |
| v8::Handle<v8::Value> argv[]) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Object::CallAsConstructor()", |
| return Local<v8::Object>()); |
| LOG_API(isolate, "Object::CallAsConstructor"); |
| ENTER_V8(isolate); |
| i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv); |
| if (obj->IsJSFunction()) { |
| i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(obj); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> returned; |
| has_pending_exception = !i::Execution::New( |
| fun, argc, args).ToHandle(&returned); |
| EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>()); |
| return Utils::ToLocal(scope.CloseAndEscape( |
| i::Handle<i::JSObject>::cast(returned))); |
| } |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> delegate; |
| has_pending_exception = !i::Execution::TryGetConstructorDelegate( |
| isolate, obj).ToHandle(&delegate); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>()); |
| if (!delegate->IsUndefined()) { |
| i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(delegate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> returned; |
| has_pending_exception = !i::Execution::Call( |
| isolate, fun, obj, argc, args).ToHandle(&returned); |
| EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>()); |
| DCHECK(!delegate->IsUndefined()); |
| return Utils::ToLocal(scope.CloseAndEscape(returned)); |
| } |
| return Local<v8::Object>(); |
| } |
| |
| |
| Local<Function> Function::New(Isolate* v8_isolate, |
| FunctionCallback callback, |
| Local<Value> data, |
| int length) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "Function::New"); |
| ENTER_V8(isolate); |
| return FunctionTemplateNew( |
| isolate, callback, data, Local<Signature>(), length, true)-> |
| GetFunction(); |
| } |
| |
| |
| Local<v8::Object> Function::NewInstance() const { |
| return NewInstance(0, NULL); |
| } |
| |
| |
| Local<v8::Object> Function::NewInstance(int argc, |
| v8::Handle<v8::Value> argv[]) const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Function::NewInstance()", |
| return Local<v8::Object>()); |
| LOG_API(isolate, "Function::NewInstance"); |
| ENTER_V8(isolate); |
| i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); |
| EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Handle<i::JSFunction> function = Utils::OpenHandle(this); |
| STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); |
| i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> returned; |
| has_pending_exception = !i::Execution::New( |
| function, argc, args).ToHandle(&returned); |
| EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>()); |
| return scope.Escape(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned))); |
| } |
| |
| |
| Local<v8::Value> Function::Call(v8::Handle<v8::Value> recv, int argc, |
| v8::Handle<v8::Value> argv[]) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Function::Call()", return Local<v8::Value>()); |
| LOG_API(isolate, "Function::Call"); |
| ENTER_V8(isolate); |
| i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); |
| i::HandleScope scope(isolate); |
| 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::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> returned; |
| has_pending_exception = !i::Execution::Call( |
| isolate, fun, recv_obj, argc, args, true).ToHandle(&returned); |
| EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Object>()); |
| return Utils::ToLocal(scope.CloseAndEscape(returned)); |
| } |
| |
| |
| void Function::SetName(v8::Handle<v8::String> name) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ENTER_V8(isolate); |
| USE(isolate); |
| 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(), |
| func->GetIsolate())); |
| } |
| |
| |
| Handle<Value> Function::GetInferredName() const { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| return Utils::ToLocal(i::Handle<i::Object>(func->shared()->inferred_name(), |
| func->GetIsolate())); |
| } |
| |
| |
| Handle<Value> Function::GetDisplayName() const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Function::GetDisplayName()", |
| return ToApiHandle<Primitive>( |
| isolate->factory()->undefined_value())); |
| ENTER_V8(isolate); |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| i::Handle<i::String> property_name = |
| isolate->factory()->InternalizeOneByteString( |
| STATIC_CHAR_VECTOR("displayName")); |
| |
| i::Handle<i::Object> value = |
| i::JSObject::GetDataProperty(func, property_name); |
| if (value->IsString()) { |
| i::Handle<i::String> name = i::Handle<i::String>::cast(value); |
| if (name->length() > 0) return Utils::ToLocal(name); |
| } |
| |
| return ToApiHandle<Primitive>(isolate->factory()->undefined_value()); |
| } |
| |
| |
| 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())); |
| i::Handle<i::Object> scriptName = i::Script::GetNameOrSourceURL(script); |
| v8::Isolate* isolate = reinterpret_cast<v8::Isolate*>(func->GetIsolate()); |
| v8::ScriptOrigin origin( |
| Utils::ToLocal(scriptName), |
| v8::Integer::New(isolate, script->line_offset()->value()), |
| v8::Integer::New(isolate, 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::Script::GetLineNumber(script, func->shared()->start_position()); |
| } |
| return kLineOffsetNotFound; |
| } |
| |
| |
| int Function::GetScriptColumnNumber() 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::Script::GetColumnNumber(script, func->shared()->start_position()); |
| } |
| return kLineOffsetNotFound; |
| } |
| |
| |
| bool Function::IsBuiltin() const { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| return func->IsBuiltin(); |
| } |
| |
| |
| int Function::ScriptId() const { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| if (!func->shared()->script()->IsScript()) { |
| return v8::UnboundScript::kNoScriptId; |
| } |
| i::Handle<i::Script> script(i::Script::cast(func->shared()->script())); |
| return script->id()->value(); |
| } |
| |
| |
| Local<v8::Value> Function::GetBoundFunction() const { |
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); |
| if (!func->shared()->bound()) { |
| return v8::Undefined(reinterpret_cast<v8::Isolate*>(func->GetIsolate())); |
| } |
| i::Handle<i::FixedArray> bound_args = i::Handle<i::FixedArray>( |
| i::FixedArray::cast(func->function_bindings())); |
| i::Handle<i::Object> original( |
| bound_args->get(i::JSFunction::kBoundFunctionIndex), |
| func->GetIsolate()); |
| return Utils::ToLocal(i::Handle<i::JSFunction>::cast(original)); |
| } |
| |
| |
| int String::Length() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| return str->length(); |
| } |
| |
| |
| bool String::IsOneByte() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| return str->HasOnlyOneByteChars(); |
| } |
| |
| |
| // Helpers for ContainsOnlyOneByteHelper |
| template<size_t size> struct OneByteMask; |
| template<> struct OneByteMask<4> { |
| static const uint32_t value = 0xFF00FF00; |
| }; |
| template<> struct OneByteMask<8> { |
| static const uint64_t value = V8_2PART_UINT64_C(0xFF00FF00, FF00FF00); |
| }; |
| static const uintptr_t kOneByteMask = OneByteMask<sizeof(uintptr_t)>::value; |
| static const uintptr_t kAlignmentMask = sizeof(uintptr_t) - 1; |
| static inline bool Unaligned(const uint16_t* chars) { |
| return reinterpret_cast<const uintptr_t>(chars) & kAlignmentMask; |
| } |
| |
| |
| static inline const uint16_t* Align(const uint16_t* chars) { |
| return reinterpret_cast<uint16_t*>( |
| reinterpret_cast<uintptr_t>(chars) & ~kAlignmentMask); |
| } |
| |
| class ContainsOnlyOneByteHelper { |
| public: |
| ContainsOnlyOneByteHelper() : is_one_byte_(true) {} |
| bool Check(i::String* string) { |
| i::ConsString* cons_string = i::String::VisitFlat(this, string, 0); |
| if (cons_string == NULL) return is_one_byte_; |
| return CheckCons(cons_string); |
| } |
| void VisitOneByteString(const uint8_t* chars, int length) { |
| // Nothing to do. |
| } |
| void VisitTwoByteString(const uint16_t* chars, int length) { |
| // Accumulated bits. |
| uintptr_t acc = 0; |
| // Align to uintptr_t. |
| const uint16_t* end = chars + length; |
| while (Unaligned(chars) && chars != end) { |
| acc |= *chars++; |
| } |
| // Read word aligned in blocks, |
| // checking the return value at the end of each block. |
| const uint16_t* aligned_end = Align(end); |
| const int increment = sizeof(uintptr_t)/sizeof(uint16_t); |
| const int inner_loops = 16; |
| while (chars + inner_loops*increment < aligned_end) { |
| for (int i = 0; i < inner_loops; i++) { |
| acc |= *reinterpret_cast<const uintptr_t*>(chars); |
| chars += increment; |
| } |
| // Check for early return. |
| if ((acc & kOneByteMask) != 0) { |
| is_one_byte_ = false; |
| return; |
| } |
| } |
| // Read the rest. |
| while (chars != end) { |
| acc |= *chars++; |
| } |
| // Check result. |
| if ((acc & kOneByteMask) != 0) is_one_byte_ = false; |
| } |
| |
| private: |
| bool CheckCons(i::ConsString* cons_string) { |
| while (true) { |
| // Check left side if flat. |
| i::String* left = cons_string->first(); |
| i::ConsString* left_as_cons = |
| i::String::VisitFlat(this, left, 0); |
| if (!is_one_byte_) return false; |
| // Check right side if flat. |
| i::String* right = cons_string->second(); |
| i::ConsString* right_as_cons = |
| i::String::VisitFlat(this, right, 0); |
| if (!is_one_byte_) return false; |
| // Standard recurse/iterate trick. |
| if (left_as_cons != NULL && right_as_cons != NULL) { |
| if (left->length() < right->length()) { |
| CheckCons(left_as_cons); |
| cons_string = right_as_cons; |
| } else { |
| CheckCons(right_as_cons); |
| cons_string = left_as_cons; |
| } |
| // Check fast return. |
| if (!is_one_byte_) return false; |
| continue; |
| } |
| // Descend left in place. |
| if (left_as_cons != NULL) { |
| cons_string = left_as_cons; |
| continue; |
| } |
| // Descend right in place. |
| if (right_as_cons != NULL) { |
| cons_string = right_as_cons; |
| continue; |
| } |
| // Terminate. |
| break; |
| } |
| return is_one_byte_; |
| } |
| bool is_one_byte_; |
| DISALLOW_COPY_AND_ASSIGN(ContainsOnlyOneByteHelper); |
| }; |
| |
| |
| bool String::ContainsOnlyOneByte() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| if (str->HasOnlyOneByteChars()) return true; |
| ContainsOnlyOneByteHelper helper; |
| return helper.Check(*str); |
| } |
| |
| |
| class Utf8LengthHelper : public i::AllStatic { |
| public: |
| enum State { |
| kEndsWithLeadingSurrogate = 1 << 0, |
| kStartsWithTrailingSurrogate = 1 << 1, |
| kLeftmostEdgeIsCalculated = 1 << 2, |
| kRightmostEdgeIsCalculated = 1 << 3, |
| kLeftmostEdgeIsSurrogate = 1 << 4, |
| kRightmostEdgeIsSurrogate = 1 << 5 |
| }; |
| |
| static const uint8_t kInitialState = 0; |
| |
| static inline bool EndsWithSurrogate(uint8_t state) { |
| return state & kEndsWithLeadingSurrogate; |
| } |
| |
| static inline bool StartsWithSurrogate(uint8_t state) { |
| return state & kStartsWithTrailingSurrogate; |
| } |
| |
| class Visitor { |
| public: |
| Visitor() : utf8_length_(0), state_(kInitialState) {} |
| |
| void VisitOneByteString(const uint8_t* chars, int length) { |
| int utf8_length = 0; |
| // Add in length 1 for each non-Latin1 character. |
| for (int i = 0; i < length; i++) { |
| utf8_length += *chars++ >> 7; |
| } |
| // Add in length 1 for each character. |
| utf8_length_ = utf8_length + length; |
| state_ = kInitialState; |
| } |
| |
| void VisitTwoByteString(const uint16_t* chars, int length) { |
| int utf8_length = 0; |
| int last_character = unibrow::Utf16::kNoPreviousCharacter; |
| for (int i = 0; i < length; i++) { |
| uint16_t c = chars[i]; |
| utf8_length += unibrow::Utf8::Length(c, last_character); |
| last_character = c; |
| } |
| utf8_length_ = utf8_length; |
| uint8_t state = 0; |
| if (unibrow::Utf16::IsTrailSurrogate(chars[0])) { |
| state |= kStartsWithTrailingSurrogate; |
| } |
| if (unibrow::Utf16::IsLeadSurrogate(chars[length-1])) { |
| state |= kEndsWithLeadingSurrogate; |
| } |
| state_ = state; |
| } |
| |
| static i::ConsString* VisitFlat(i::String* string, |
| int* length, |
| uint8_t* state) { |
| Visitor visitor; |
| i::ConsString* cons_string = i::String::VisitFlat(&visitor, string); |
| *length = visitor.utf8_length_; |
| *state = visitor.state_; |
| return cons_string; |
| } |
| |
| private: |
| int utf8_length_; |
| uint8_t state_; |
| DISALLOW_COPY_AND_ASSIGN(Visitor); |
| }; |
| |
| static inline void MergeLeafLeft(int* length, |
| uint8_t* state, |
| uint8_t leaf_state) { |
| bool edge_surrogate = StartsWithSurrogate(leaf_state); |
| if (!(*state & kLeftmostEdgeIsCalculated)) { |
| DCHECK(!(*state & kLeftmostEdgeIsSurrogate)); |
| *state |= kLeftmostEdgeIsCalculated |
| | (edge_surrogate ? kLeftmostEdgeIsSurrogate : 0); |
| } else if (EndsWithSurrogate(*state) && edge_surrogate) { |
| *length -= unibrow::Utf8::kBytesSavedByCombiningSurrogates; |
| } |
| if (EndsWithSurrogate(leaf_state)) { |
| *state |= kEndsWithLeadingSurrogate; |
| } else { |
| *state &= ~kEndsWithLeadingSurrogate; |
| } |
| } |
| |
| static inline void MergeLeafRight(int* length, |
| uint8_t* state, |
| uint8_t leaf_state) { |
| bool edge_surrogate = EndsWithSurrogate(leaf_state); |
| if (!(*state & kRightmostEdgeIsCalculated)) { |
| DCHECK(!(*state & kRightmostEdgeIsSurrogate)); |
| *state |= (kRightmostEdgeIsCalculated |
| | (edge_surrogate ? kRightmostEdgeIsSurrogate : 0)); |
| } else if (edge_surrogate && StartsWithSurrogate(*state)) { |
| *length -= unibrow::Utf8::kBytesSavedByCombiningSurrogates; |
| } |
| if (StartsWithSurrogate(leaf_state)) { |
| *state |= kStartsWithTrailingSurrogate; |
| } else { |
| *state &= ~kStartsWithTrailingSurrogate; |
| } |
| } |
| |
| static inline void MergeTerminal(int* length, |
| uint8_t state, |
| uint8_t* state_out) { |
| DCHECK((state & kLeftmostEdgeIsCalculated) && |
| (state & kRightmostEdgeIsCalculated)); |
| if (EndsWithSurrogate(state) && StartsWithSurrogate(state)) { |
| *length -= unibrow::Utf8::kBytesSavedByCombiningSurrogates; |
| } |
| *state_out = kInitialState | |
| (state & kLeftmostEdgeIsSurrogate ? kStartsWithTrailingSurrogate : 0) | |
| (state & kRightmostEdgeIsSurrogate ? kEndsWithLeadingSurrogate : 0); |
| } |
| |
| static int Calculate(i::ConsString* current, uint8_t* state_out) { |
| using namespace internal; |
| int total_length = 0; |
| uint8_t state = kInitialState; |
| while (true) { |
| i::String* left = current->first(); |
| i::String* right = current->second(); |
| uint8_t right_leaf_state; |
| uint8_t left_leaf_state; |
| int leaf_length; |
| ConsString* left_as_cons = |
| Visitor::VisitFlat(left, &leaf_length, &left_leaf_state); |
| if (left_as_cons == NULL) { |
| total_length += leaf_length; |
| MergeLeafLeft(&total_length, &state, left_leaf_state); |
| } |
| ConsString* right_as_cons = |
| Visitor::VisitFlat(right, &leaf_length, &right_leaf_state); |
| if (right_as_cons == NULL) { |
| total_length += leaf_length; |
| MergeLeafRight(&total_length, &state, right_leaf_state); |
| if (left_as_cons != NULL) { |
| // 1 Leaf node. Descend in place. |
| current = left_as_cons; |
| continue; |
| } else { |
| // Terminal node. |
| MergeTerminal(&total_length, state, state_out); |
| return total_length; |
| } |
| } else if (left_as_cons == NULL) { |
| // 1 Leaf node. Descend in place. |
| current = right_as_cons; |
| continue; |
| } |
| // Both strings are ConsStrings. |
| // Recurse on smallest. |
| if (left->length() < right->length()) { |
| total_length += Calculate(left_as_cons, &left_leaf_state); |
| MergeLeafLeft(&total_length, &state, left_leaf_state); |
| current = right_as_cons; |
| } else { |
| total_length += Calculate(right_as_cons, &right_leaf_state); |
| MergeLeafRight(&total_length, &state, right_leaf_state); |
| current = left_as_cons; |
| } |
| } |
| UNREACHABLE(); |
| return 0; |
| } |
| |
| static inline int Calculate(i::ConsString* current) { |
| uint8_t state = kInitialState; |
| return Calculate(current, &state); |
| } |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Utf8LengthHelper); |
| }; |
| |
| |
| static int Utf8Length(i::String* str, i::Isolate* isolate) { |
| int length = str->length(); |
| if (length == 0) return 0; |
| uint8_t state; |
| i::ConsString* cons_string = |
| Utf8LengthHelper::Visitor::VisitFlat(str, &length, &state); |
| if (cons_string == NULL) return length; |
| return Utf8LengthHelper::Calculate(cons_string); |
| } |
| |
| |
| int String::Utf8Length() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| i::Isolate* isolate = str->GetIsolate(); |
| return v8::Utf8Length(*str, isolate); |
| } |
| |
| |
| class Utf8WriterVisitor { |
| public: |
| Utf8WriterVisitor( |
| char* buffer, |
| int capacity, |
| bool skip_capacity_check, |
| bool replace_invalid_utf8) |
| : early_termination_(false), |
| last_character_(unibrow::Utf16::kNoPreviousCharacter), |
| buffer_(buffer), |
| start_(buffer), |
| capacity_(capacity), |
| skip_capacity_check_(capacity == -1 || skip_capacity_check), |
| replace_invalid_utf8_(replace_invalid_utf8), |
| utf16_chars_read_(0) { |
| } |
| |
| static int WriteEndCharacter(uint16_t character, |
| int last_character, |
| int remaining, |
| char* const buffer, |
| bool replace_invalid_utf8) { |
| using namespace unibrow; |
| DCHECK(remaining > 0); |
| // We can't use a local buffer here because Encode needs to modify |
| // previous characters in the stream. We know, however, that |
| // exactly one character will be advanced. |
| if (Utf16::IsSurrogatePair(last_character, character)) { |
| int written = Utf8::Encode(buffer, |
| character, |
| last_character, |
| replace_invalid_utf8); |
| DCHECK(written == 1); |
| return written; |
| } |
| // Use a scratch buffer to check the required characters. |
| char temp_buffer[Utf8::kMaxEncodedSize]; |
| // Can't encode using last_character as gcc has array bounds issues. |
| int written = Utf8::Encode(temp_buffer, |
| character, |
| Utf16::kNoPreviousCharacter, |
| replace_invalid_utf8); |
| // Won't fit. |
| if (written > remaining) return 0; |
| // Copy over the character from temp_buffer. |
| for (int j = 0; j < written; j++) { |
| buffer[j] = temp_buffer[j]; |
| } |
| return written; |
| } |
| |
| // Visit writes out a group of code units (chars) of a v8::String to the |
| // internal buffer_. This is done in two phases. The first phase calculates a |
| // pesimistic estimate (writable_length) on how many code units can be safely |
| // written without exceeding the buffer capacity and without writing the last |
| // code unit (it could be a lead surrogate). The estimated number of code |
| // units is then written out in one go, and the reported byte usage is used |
| // to correct the estimate. This is repeated until the estimate becomes <= 0 |
| // or all code units have been written out. The second phase writes out code |
| // units until the buffer capacity is reached, would be exceeded by the next |
| // unit, or all units have been written out. |
| template<typename Char> |
| void Visit(const Char* chars, const int length) { |
| using namespace unibrow; |
| DCHECK(!early_termination_); |
| if (length == 0) return; |
| // Copy state to stack. |
| char* buffer = buffer_; |
| int last_character = |
| sizeof(Char) == 1 ? Utf16::kNoPreviousCharacter : last_character_; |
| int i = 0; |
| // Do a fast loop where there is no exit capacity check. |
| while (true) { |
| int fast_length; |
| if (skip_capacity_check_) { |
| fast_length = length; |
| } else { |
| int remaining_capacity = capacity_ - static_cast<int>(buffer - start_); |
| // Need enough space to write everything but one character. |
| STATIC_ASSERT(Utf16::kMaxExtraUtf8BytesForOneUtf16CodeUnit == 3); |
| int max_size_per_char = sizeof(Char) == 1 ? 2 : 3; |
| int writable_length = |
| (remaining_capacity - max_size_per_char)/max_size_per_char; |
| // Need to drop into slow loop. |
| if (writable_length <= 0) break; |
| fast_length = i + writable_length; |
| if (fast_length > length) fast_length = length; |
| } |
| // Write the characters to the stream. |
| if (sizeof(Char) == 1) { |
| for (; i < fast_length; i++) { |
| buffer += |
| Utf8::EncodeOneByte(buffer, static_cast<uint8_t>(*chars++)); |
| DCHECK(capacity_ == -1 || (buffer - start_) <= capacity_); |
| } |
| } else { |
| for (; i < fast_length; i++) { |
| uint16_t character = *chars++; |
| buffer += Utf8::Encode(buffer, |
| character, |
| last_character, |
| replace_invalid_utf8_); |
| last_character = character; |
| DCHECK(capacity_ == -1 || (buffer - start_) <= capacity_); |
| } |
| } |
| // Array is fully written. Exit. |
| if (fast_length == length) { |
| // Write state back out to object. |
| last_character_ = last_character; |
| buffer_ = buffer; |
| utf16_chars_read_ += length; |
| return; |
| } |
| } |
| DCHECK(!skip_capacity_check_); |
| // Slow loop. Must check capacity on each iteration. |
| int remaining_capacity = capacity_ - static_cast<int>(buffer - start_); |
| DCHECK(remaining_capacity >= 0); |
| for (; i < length && remaining_capacity > 0; i++) { |
| uint16_t character = *chars++; |
| // remaining_capacity is <= 3 bytes at this point, so we do not write out |
| // an umatched lead surrogate. |
| if (replace_invalid_utf8_ && Utf16::IsLeadSurrogate(character)) { |
| early_termination_ = true; |
| break; |
| } |
| int written = WriteEndCharacter(character, |
| last_character, |
| remaining_capacity, |
| buffer, |
| replace_invalid_utf8_); |
| if (written == 0) { |
| early_termination_ = true; |
| break; |
| } |
| buffer += written; |
| remaining_capacity -= written; |
| last_character = character; |
| } |
| // Write state back out to object. |
| last_character_ = last_character; |
| buffer_ = buffer; |
| utf16_chars_read_ += i; |
| } |
| |
| inline bool IsDone() { |
| return early_termination_; |
| } |
| |
| inline void VisitOneByteString(const uint8_t* chars, int length) { |
| Visit(chars, length); |
| } |
| |
| inline void VisitTwoByteString(const uint16_t* chars, int length) { |
| Visit(chars, length); |
| } |
| |
| int CompleteWrite(bool write_null, int* utf16_chars_read_out) { |
| // Write out number of utf16 characters written to the stream. |
| if (utf16_chars_read_out != NULL) { |
| *utf16_chars_read_out = utf16_chars_read_; |
| } |
| // Only null terminate if all of the string was written and there's space. |
| if (write_null && |
| !early_termination_ && |
| (capacity_ == -1 || (buffer_ - start_) < capacity_)) { |
| *buffer_++ = '\0'; |
| } |
| return static_cast<int>(buffer_ - start_); |
| } |
| |
| private: |
| bool early_termination_; |
| int last_character_; |
| char* buffer_; |
| char* const start_; |
| int capacity_; |
| bool const skip_capacity_check_; |
| bool const replace_invalid_utf8_; |
| int utf16_chars_read_; |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Utf8WriterVisitor); |
| }; |
| |
| |
| static bool RecursivelySerializeToUtf8(i::String* current, |
| Utf8WriterVisitor* writer, |
| int recursion_budget) { |
| while (!writer->IsDone()) { |
| i::ConsString* cons_string = i::String::VisitFlat(writer, current); |
| if (cons_string == NULL) return true; // Leaf node. |
| if (recursion_budget <= 0) return false; |
| // Must write the left branch first. |
| i::String* first = cons_string->first(); |
| bool success = RecursivelySerializeToUtf8(first, |
| writer, |
| recursion_budget - 1); |
| if (!success) return false; |
| // Inline tail recurse for right branch. |
| current = cons_string->second(); |
| } |
| return true; |
| } |
| |
| |
| int String::WriteUtf8(char* buffer, |
| int capacity, |
| int* nchars_ref, |
| int options) const { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| LOG_API(isolate, "String::WriteUtf8"); |
| ENTER_V8(isolate); |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| if (options & HINT_MANY_WRITES_EXPECTED) { |
| str = i::String::Flatten(str); // Flatten the string for efficiency. |
| } |
| const int string_length = str->length(); |
| bool write_null = !(options & NO_NULL_TERMINATION); |
| bool replace_invalid_utf8 = (options & REPLACE_INVALID_UTF8); |
| int max16BitCodeUnitSize = unibrow::Utf8::kMax16BitCodeUnitSize; |
| // First check if we can just write the string without checking capacity. |
| if (capacity == -1 || capacity / max16BitCodeUnitSize >= string_length) { |
| Utf8WriterVisitor writer(buffer, capacity, true, replace_invalid_utf8); |
| const int kMaxRecursion = 100; |
| bool success = RecursivelySerializeToUtf8(*str, &writer, kMaxRecursion); |
| if (success) return writer.CompleteWrite(write_null, nchars_ref); |
| } else if (capacity >= string_length) { |
| // First check that the buffer is large enough. |
| int utf8_bytes = v8::Utf8Length(*str, str->GetIsolate()); |
| if (utf8_bytes <= capacity) { |
| // one-byte fast path. |
| if (utf8_bytes == string_length) { |
| WriteOneByte(reinterpret_cast<uint8_t*>(buffer), 0, capacity, options); |
| if (nchars_ref != NULL) *nchars_ref = string_length; |
| if (write_null && (utf8_bytes+1 <= capacity)) { |
| return string_length + 1; |
| } |
| return string_length; |
| } |
| if (write_null && (utf8_bytes+1 > capacity)) { |
| options |= NO_NULL_TERMINATION; |
| } |
| // Recurse once without a capacity limit. |
| // This will get into the first branch above. |
| // TODO(dcarney) Check max left rec. in Utf8Length and fall through. |
| return WriteUtf8(buffer, -1, nchars_ref, options); |
| } |
| } |
| // Recursive slow path can potentially be unreasonable slow. Flatten. |
| str = i::String::Flatten(str); |
| Utf8WriterVisitor writer(buffer, capacity, false, replace_invalid_utf8); |
| i::String::VisitFlat(&writer, *str); |
| return writer.CompleteWrite(write_null, nchars_ref); |
| } |
| |
| |
| template<typename CharType> |
| static inline int WriteHelper(const String* string, |
| CharType* buffer, |
| int start, |
| int length, |
| int options) { |
| i::Isolate* isolate = Utils::OpenHandle(string)->GetIsolate(); |
| LOG_API(isolate, "String::Write"); |
| ENTER_V8(isolate); |
| DCHECK(start >= 0 && length >= -1); |
| i::Handle<i::String> str = Utils::OpenHandle(string); |
| isolate->string_tracker()->RecordWrite(str); |
| if (options & String::HINT_MANY_WRITES_EXPECTED) { |
| // Flatten the string for efficiency. This applies whether we are |
| // using StringCharacterStream or Get(i) to access the characters. |
| str = i::String::Flatten(str); |
| } |
| int end = start + length; |
| if ((length == -1) || (length > str->length() - start) ) |
| end = str->length(); |
| if (end < 0) return 0; |
| i::String::WriteToFlat(*str, buffer, start, end); |
| if (!(options & String::NO_NULL_TERMINATION) && |
| (length == -1 || end - start < length)) { |
| buffer[end - start] = '\0'; |
| } |
| return end - start; |
| } |
| |
| |
| int String::WriteOneByte(uint8_t* buffer, |
| int start, |
| int length, |
| int options) const { |
| return WriteHelper(this, buffer, start, length, options); |
| } |
| |
| |
| int String::Write(uint16_t* buffer, |
| int start, |
| int length, |
| int options) const { |
| return WriteHelper(this, buffer, start, length, options); |
| } |
| |
| |
| bool v8::String::IsExternal() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| return i::StringShape(*str).IsExternalTwoByte(); |
| } |
| |
| |
| bool v8::String::IsExternalOneByte() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| return i::StringShape(*str).IsExternalOneByte(); |
| } |
| |
| |
| void v8::String::VerifyExternalStringResource( |
| v8::String::ExternalStringResource* value) const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| const v8::String::ExternalStringResource* expected; |
| if (i::StringShape(*str).IsExternalTwoByte()) { |
| const void* resource = |
| i::Handle<i::ExternalTwoByteString>::cast(str)->resource(); |
| expected = reinterpret_cast<const ExternalStringResource*>(resource); |
| } else { |
| expected = NULL; |
| } |
| CHECK_EQ(expected, value); |
| } |
| |
| void v8::String::VerifyExternalStringResourceBase( |
| v8::String::ExternalStringResourceBase* value, Encoding encoding) const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| const v8::String::ExternalStringResourceBase* expected; |
| Encoding expectedEncoding; |
| if (i::StringShape(*str).IsExternalOneByte()) { |
| const void* resource = |
| i::Handle<i::ExternalOneByteString>::cast(str)->resource(); |
| expected = reinterpret_cast<const ExternalStringResourceBase*>(resource); |
| expectedEncoding = ONE_BYTE_ENCODING; |
| } else if (i::StringShape(*str).IsExternalTwoByte()) { |
| const void* resource = |
| i::Handle<i::ExternalTwoByteString>::cast(str)->resource(); |
| expected = reinterpret_cast<const ExternalStringResourceBase*>(resource); |
| expectedEncoding = TWO_BYTE_ENCODING; |
| } else { |
| expected = NULL; |
| expectedEncoding = |
| str->IsOneByteRepresentation() ? ONE_BYTE_ENCODING : TWO_BYTE_ENCODING; |
| } |
| CHECK_EQ(expected, value); |
| CHECK_EQ(expectedEncoding, encoding); |
| } |
| |
| const v8::String::ExternalOneByteStringResource* |
| v8::String::GetExternalOneByteStringResource() const { |
| i::Handle<i::String> str = Utils::OpenHandle(this); |
| if (i::StringShape(*str).IsExternalOneByte()) { |
| const void* resource = |
| i::Handle<i::ExternalOneByteString>::cast(str)->resource(); |
| return reinterpret_cast<const ExternalOneByteStringResource*>(resource); |
| } else { |
| return NULL; |
| } |
| } |
| |
| |
| Local<Value> Symbol::Name() const { |
| i::Handle<i::Symbol> sym = Utils::OpenHandle(this); |
| i::Handle<i::Object> name(sym->name(), sym->GetIsolate()); |
| return Utils::ToLocal(name); |
| } |
| |
| |
| Local<Value> Private::Name() const { |
| return reinterpret_cast<const Symbol*>(this)->Name(); |
| } |
| |
| |
| double Number::Value() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return obj->Number(); |
| } |
| |
| |
| bool Boolean::Value() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| return obj->IsTrue(); |
| } |
| |
| |
| int64_t Integer::Value() const { |
| 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 { |
| 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 { |
| 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() { |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| return obj->GetInternalFieldCount(); |
| } |
| |
| |
| static bool InternalFieldOK(i::Handle<i::JSObject> obj, |
| int index, |
| const char* location) { |
| return Utils::ApiCheck(index < obj->GetInternalFieldCount(), |
| location, |
| "Internal field out of bounds"); |
| } |
| |
| |
| Local<Value> v8::Object::SlowGetInternalField(int index) { |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| const char* location = "v8::Object::GetInternalField()"; |
| if (!InternalFieldOK(obj, index, location)) return Local<Value>(); |
| i::Handle<i::Object> value(obj->GetInternalField(index), obj->GetIsolate()); |
| return Utils::ToLocal(value); |
| } |
| |
| |
| void v8::Object::SetInternalField(int index, v8::Handle<Value> value) { |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| const char* location = "v8::Object::SetInternalField()"; |
| if (!InternalFieldOK(obj, index, location)) return; |
| i::Handle<i::Object> val = Utils::OpenHandle(*value); |
| obj->SetInternalField(index, *val); |
| DCHECK_EQ(value, GetInternalField(index)); |
| } |
| |
| |
| void* v8::Object::SlowGetAlignedPointerFromInternalField(int index) { |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| const char* location = "v8::Object::GetAlignedPointerFromInternalField()"; |
| if (!InternalFieldOK(obj, index, location)) return NULL; |
| return DecodeSmiToAligned(obj->GetInternalField(index), location); |
| } |
| |
| |
| void v8::Object::SetAlignedPointerInInternalField(int index, void* value) { |
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); |
| const char* location = "v8::Object::SetAlignedPointerInInternalField()"; |
| if (!InternalFieldOK(obj, index, location)) return; |
| obj->SetInternalField(index, EncodeAlignedAsSmi(value, location)); |
| DCHECK_EQ(value, GetAlignedPointerFromInternalField(index)); |
| } |
| |
| |
| static void* ExternalValue(i::Object* obj) { |
| // Obscure semantics for undefined, but somehow checked in our unit tests... |
| if (obj->IsUndefined()) return NULL; |
| i::Object* foreign = i::JSObject::cast(obj)->GetInternalField(0); |
| return i::Foreign::cast(foreign)->foreign_address(); |
| } |
| |
| |
| // --- E n v i r o n m e n t --- |
| |
| |
| void v8::V8::InitializePlatform(Platform* platform) { |
| i::V8::InitializePlatform(platform); |
| } |
| |
| |
| void v8::V8::ShutdownPlatform() { |
| i::V8::ShutdownPlatform(); |
| } |
| |
| |
| bool v8::V8::Initialize() { |
| i::V8::Initialize(); |
| return true; |
| } |
| |
| |
| void v8::V8::SetEntropySource(EntropySource entropy_source) { |
| base::RandomNumberGenerator::SetEntropySource(entropy_source); |
| } |
| |
| |
| void v8::V8::SetReturnAddressLocationResolver( |
| ReturnAddressLocationResolver return_address_resolver) { |
| i::V8::SetReturnAddressLocationResolver(return_address_resolver); |
| } |
| |
| void v8::V8::SetArrayBufferAllocator( |
| ArrayBuffer::Allocator* allocator) { |
| if (!Utils::ApiCheck(i::V8::ArrayBufferAllocator() == NULL, |
| "v8::V8::SetArrayBufferAllocator", |
| "ArrayBufferAllocator might only be set once")) |
| return; |
| i::V8::SetArrayBufferAllocator(allocator); |
| } |
| |
| |
| bool v8::V8::Dispose() { |
| i::V8::TearDown(); |
| return true; |
| } |
| |
| |
| HeapStatistics::HeapStatistics(): total_heap_size_(0), |
| total_heap_size_executable_(0), |
| total_physical_size_(0), |
| used_heap_size_(0), |
| heap_size_limit_(0) { } |
| |
| |
| bool v8::V8::InitializeICU(const char* icu_data_file) { |
| return i::InitializeICU(icu_data_file); |
| } |
| |
| |
| const char* v8::V8::GetVersion() { |
| return i::Version::GetVersion(); |
| } |
| |
| |
| static i::Handle<i::Context> CreateEnvironment( |
| i::Isolate* isolate, |
| v8::ExtensionConfiguration* extensions, |
| v8::Handle<ObjectTemplate> global_template, |
| v8::Handle<Value> maybe_global_proxy) { |
| i::Handle<i::Context> env; |
| |
| // Enter V8 via an ENTER_V8 scope. |
| { |
| ENTER_V8(isolate); |
| 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(isolate, *global_template); |
| |
| // Create a fresh template for the global proxy object. |
| proxy_template = ObjectTemplate::New( |
| reinterpret_cast<v8::Isolate*>(isolate)); |
| proxy_constructor = EnsureConstructor(isolate, *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( |
| isolate->heap()->undefined_value()); |
| } |
| } |
| |
| i::Handle<i::Object> proxy = Utils::OpenHandle(*maybe_global_proxy, true); |
| i::MaybeHandle<i::JSGlobalProxy> maybe_proxy; |
| if (!proxy.is_null()) { |
| maybe_proxy = i::Handle<i::JSGlobalProxy>::cast(proxy); |
| } |
| // Create the environment. |
| env = isolate->bootstrapper()->CreateEnvironment( |
| maybe_proxy, proxy_template, extensions); |
| |
| // Restore the access check info on the global template. |
| if (!global_template.IsEmpty()) { |
| DCHECK(!global_constructor.is_null()); |
| DCHECK(!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. |
| |
| return env; |
| } |
| |
| Local<Context> v8::Context::New( |
| v8::Isolate* external_isolate, |
| v8::ExtensionConfiguration* extensions, |
| v8::Handle<ObjectTemplate> global_template, |
| v8::Handle<Value> global_object) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate); |
| LOG_API(isolate, "Context::New"); |
| ON_BAILOUT(isolate, "v8::Context::New()", return Local<Context>()); |
| i::HandleScope scope(isolate); |
| ExtensionConfiguration no_extensions; |
| if (extensions == NULL) extensions = &no_extensions; |
| i::Handle<i::Context> env = |
| CreateEnvironment(isolate, extensions, global_template, global_object); |
| if (env.is_null()) return Local<Context>(); |
| return Utils::ToLocal(scope.CloseAndEscape(env)); |
| } |
| |
| |
| void v8::Context::SetSecurityToken(Handle<Value> token) { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Isolate* isolate = env->GetIsolate(); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> token_handle = Utils::OpenHandle(*token); |
| env->set_security_token(*token_handle); |
| } |
| |
| |
| void v8::Context::UseDefaultSecurityToken() { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Isolate* isolate = env->GetIsolate(); |
| ENTER_V8(isolate); |
| env->set_security_token(env->global_object()); |
| } |
| |
| |
| Handle<Value> v8::Context::GetSecurityToken() { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| i::Isolate* isolate = env->GetIsolate(); |
| i::Object* security_token = env->security_token(); |
| i::Handle<i::Object> token_handle(security_token, isolate); |
| return Utils::ToLocal(token_handle); |
| } |
| |
| |
| v8::Isolate* Context::GetIsolate() { |
| i::Handle<i::Context> env = Utils::OpenHandle(this); |
| return reinterpret_cast<Isolate*>(env->GetIsolate()); |
| } |
| |
| |
| v8::Local<v8::Object> Context::Global() { |
| i::Handle<i::Context> context = Utils::OpenHandle(this); |
| i::Isolate* isolate = context->GetIsolate(); |
| i::Handle<i::Object> global(context->global_proxy(), isolate); |
| // TODO(dcarney): This should always return the global proxy |
| // but can't presently as calls to GetProtoype will return the wrong result. |
| if (i::Handle<i::JSGlobalProxy>::cast( |
| global)->IsDetachedFrom(context->global_object())) { |
| global = i::Handle<i::Object>(context->global_object(), isolate); |
| } |
| return Utils::ToLocal(i::Handle<i::JSObject>::cast(global)); |
| } |
| |
| |
| void Context::DetachGlobal() { |
| i::Handle<i::Context> context = Utils::OpenHandle(this); |
| i::Isolate* isolate = context->GetIsolate(); |
| ENTER_V8(isolate); |
| isolate->bootstrapper()->DetachGlobal(context); |
| } |
| |
| |
| void Context::AllowCodeGenerationFromStrings(bool allow) { |
| i::Handle<i::Context> context = Utils::OpenHandle(this); |
| i::Isolate* isolate = context->GetIsolate(); |
| ENTER_V8(isolate); |
| context->set_allow_code_gen_from_strings( |
| allow ? isolate->heap()->true_value() : isolate->heap()->false_value()); |
| } |
| |
| |
| bool Context::IsCodeGenerationFromStringsAllowed() { |
| i::Handle<i::Context> context = Utils::OpenHandle(this); |
| return !context->allow_code_gen_from_strings()->IsFalse(); |
| } |
| |
| |
| void Context::SetErrorMessageForCodeGenerationFromStrings( |
| Handle<String> error) { |
| i::Handle<i::Context> context = Utils::OpenHandle(this); |
| i::Handle<i::String> error_handle = Utils::OpenHandle(*error); |
| context->set_error_message_for_code_gen_from_strings(*error_handle); |
| } |
| |
| |
| Local<v8::Object> ObjectTemplate::NewInstance() { |
| i::Handle<i::ObjectTemplateInfo> info = Utils::OpenHandle(this); |
| i::Isolate* isolate = info->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::ObjectTemplate::NewInstance()", |
| return Local<v8::Object>()); |
| LOG_API(isolate, "ObjectTemplate::NewInstance"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> obj; |
| has_pending_exception = !i::Execution::InstantiateObject(info).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>()); |
| return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj)); |
| } |
| |
| |
| Local<v8::Function> FunctionTemplate::GetFunction() { |
| i::Handle<i::FunctionTemplateInfo> info = Utils::OpenHandle(this); |
| i::Isolate* isolate = info->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::FunctionTemplate::GetFunction()", |
| return Local<v8::Function>()); |
| LOG_API(isolate, "FunctionTemplate::GetFunction"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> obj; |
| has_pending_exception = |
| !i::Execution::InstantiateFunction(info).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Function>()); |
| return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj)); |
| } |
| |
| |
| bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) { |
| i::Handle<i::FunctionTemplateInfo> info = Utils::OpenHandle(this); |
| i::Isolate* isolate = info->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::FunctionTemplate::HasInstanceOf()", return false); |
| i::Object* obj = *Utils::OpenHandle(*value); |
| return info->IsTemplateFor(obj); |
| } |
| |
| |
| Local<External> v8::External::New(Isolate* isolate, void* value) { |
| STATIC_ASSERT(sizeof(value) == sizeof(i::Address)); |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "External::New"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::JSObject> external = i_isolate->factory()->NewExternal(value); |
| return Utils::ExternalToLocal(external); |
| } |
| |
| |
| void* External::Value() const { |
| return ExternalValue(*Utils::OpenHandle(this)); |
| } |
| |
| |
| // anonymous namespace for string creation helper functions |
| namespace { |
| |
| inline int StringLength(const char* string) { |
| return i::StrLength(string); |
| } |
| |
| |
| inline int StringLength(const uint8_t* string) { |
| return i::StrLength(reinterpret_cast<const char*>(string)); |
| } |
| |
| |
| inline int StringLength(const uint16_t* string) { |
| int length = 0; |
| while (string[length] != '\0') |
| length++; |
| return length; |
| } |
| |
| |
| MUST_USE_RESULT |
| inline i::MaybeHandle<i::String> NewString(i::Factory* factory, |
| String::NewStringType type, |
| i::Vector<const char> string) { |
| if (type == String::kInternalizedString) { |
| return factory->InternalizeUtf8String(string); |
| } |
| return factory->NewStringFromUtf8(string); |
| } |
| |
| |
| MUST_USE_RESULT |
| inline i::MaybeHandle<i::String> NewString(i::Factory* factory, |
| String::NewStringType type, |
| i::Vector<const uint8_t> string) { |
| if (type == String::kInternalizedString) { |
| return factory->InternalizeOneByteString(string); |
| } |
| return factory->NewStringFromOneByte(string); |
| } |
| |
| |
| MUST_USE_RESULT |
| inline i::MaybeHandle<i::String> NewString(i::Factory* factory, |
| String::NewStringType type, |
| i::Vector<const uint16_t> string) { |
| if (type == String::kInternalizedString) { |
| return factory->InternalizeTwoByteString(string); |
| } |
| return factory->NewStringFromTwoByte(string); |
| } |
| |
| |
| template<typename Char> |
| inline Local<String> NewString(Isolate* v8_isolate, |
| const char* location, |
| const char* env, |
| const Char* data, |
| String::NewStringType type, |
| int length) { |
| i::Isolate* isolate = reinterpret_cast<internal::Isolate*>(v8_isolate); |
| LOG_API(isolate, env); |
| if (length == 0 && type != String::kUndetectableString) { |
| return String::Empty(v8_isolate); |
| } |
| ENTER_V8(isolate); |
| if (length == -1) length = StringLength(data); |
| // We do not expect this to fail. Change this if it does. |
| i::Handle<i::String> result = NewString( |
| isolate->factory(), |
| type, |
| i::Vector<const Char>(data, length)).ToHandleChecked(); |
| if (type == String::kUndetectableString) { |
| result->MarkAsUndetectable(); |
| } |
| return Utils::ToLocal(result); |
| } |
| |
| } // anonymous namespace |
| |
| |
| Local<String> String::NewFromUtf8(Isolate* isolate, |
| const char* data, |
| NewStringType type, |
| int length) { |
| return NewString(isolate, |
| "v8::String::NewFromUtf8()", |
| "String::NewFromUtf8", |
| data, |
| type, |
| length); |
| } |
| |
| |
| Local<String> String::NewFromOneByte(Isolate* isolate, |
| const uint8_t* data, |
| NewStringType type, |
| int length) { |
| return NewString(isolate, |
| "v8::String::NewFromOneByte()", |
| "String::NewFromOneByte", |
| data, |
| type, |
| length); |
| } |
| |
| |
| Local<String> String::NewFromTwoByte(Isolate* isolate, |
| const uint16_t* data, |
| NewStringType type, |
| int length) { |
| return NewString(isolate, |
| "v8::String::NewFromTwoByte()", |
| "String::NewFromTwoByte", |
| data, |
| type, |
| length); |
| } |
| |
| |
| Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) { |
| i::Handle<i::String> left_string = Utils::OpenHandle(*left); |
| i::Isolate* isolate = left_string->GetIsolate(); |
| LOG_API(isolate, "String::New(char)"); |
| ENTER_V8(isolate); |
| i::Handle<i::String> right_string = Utils::OpenHandle(*right); |
| // We do not expect this to fail. Change this if it does. |
| i::Handle<i::String> result = isolate->factory()->NewConsString( |
| left_string, right_string).ToHandleChecked(); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| static i::MaybeHandle<i::String> NewExternalStringHandle( |
| i::Isolate* isolate, v8::String::ExternalStringResource* resource) { |
| return isolate->factory()->NewExternalStringFromTwoByte(resource); |
| } |
| |
| |
| static i::MaybeHandle<i::String> NewExternalOneByteStringHandle( |
| i::Isolate* isolate, v8::String::ExternalOneByteStringResource* resource) { |
| return isolate->factory()->NewExternalStringFromOneByte(resource); |
| } |
| |
| |
| Local<String> v8::String::NewExternal( |
| Isolate* isolate, |
| v8::String::ExternalStringResource* resource) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "String::NewExternal"); |
| ENTER_V8(i_isolate); |
| CHECK(resource && resource->data()); |
| EXCEPTION_PREAMBLE(i_isolate); |
| i::Handle<i::String> string; |
| has_pending_exception = |
| !NewExternalStringHandle(i_isolate, resource).ToHandle(&string); |
| EXCEPTION_BAILOUT_CHECK(i_isolate, Local<String>()); |
| i_isolate->heap()->external_string_table()->AddString(*string); |
| return Utils::ToLocal(string); |
| } |
| |
| |
| bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) { |
| i::Handle<i::String> obj = Utils::OpenHandle(this); |
| i::Isolate* isolate = obj->GetIsolate(); |
| if (i::StringShape(*obj).IsExternal()) { |
| return false; // Already an external string. |
| } |
| ENTER_V8(isolate); |
| if (isolate->string_tracker()->IsFreshUnusedString(obj)) { |
| return false; |
| } |
| if (isolate->heap()->IsInGCPostProcessing()) { |
| return false; |
| } |
| CHECK(resource && resource->data()); |
| |
| bool result = obj->MakeExternal(resource); |
| // Assert that if CanMakeExternal(), then externalizing actually succeeds. |
| DCHECK(!CanMakeExternal() || result); |
| if (result) { |
| DCHECK(obj->IsExternalString()); |
| isolate->heap()->external_string_table()->AddString(*obj); |
| } |
| return result; |
| } |
| |
| |
| Local<String> v8::String::NewExternal( |
| Isolate* isolate, v8::String::ExternalOneByteStringResource* resource) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "String::NewExternal"); |
| ENTER_V8(i_isolate); |
| CHECK(resource && resource->data()); |
| EXCEPTION_PREAMBLE(i_isolate); |
| i::Handle<i::String> string; |
| has_pending_exception = |
| !NewExternalOneByteStringHandle(i_isolate, resource).ToHandle(&string); |
| EXCEPTION_BAILOUT_CHECK(i_isolate, Local<String>()); |
| i_isolate->heap()->external_string_table()->AddString(*string); |
| return Utils::ToLocal(string); |
| } |
| |
| |
| bool v8::String::MakeExternal( |
| v8::String::ExternalOneByteStringResource* resource) { |
| i::Handle<i::String> obj = Utils::OpenHandle(this); |
| i::Isolate* isolate = obj->GetIsolate(); |
| if (i::StringShape(*obj).IsExternal()) { |
| return false; // Already an external string. |
| } |
| ENTER_V8(isolate); |
| if (isolate->string_tracker()->IsFreshUnusedString(obj)) { |
| return false; |
| } |
| if (isolate->heap()->IsInGCPostProcessing()) { |
| return false; |
| } |
| CHECK(resource && resource->data()); |
| |
| bool result = obj->MakeExternal(resource); |
| // Assert that if CanMakeExternal(), then externalizing actually succeeds. |
| DCHECK(!CanMakeExternal() || result); |
| if (result) { |
| DCHECK(obj->IsExternalString()); |
| isolate->heap()->external_string_table()->AddString(*obj); |
| } |
| return result; |
| } |
| |
| |
| bool v8::String::CanMakeExternal() { |
| if (!internal::FLAG_clever_optimizations) return false; |
| i::Handle<i::String> obj = Utils::OpenHandle(this); |
| i::Isolate* isolate = obj->GetIsolate(); |
| |
| if (isolate->string_tracker()->IsFreshUnusedString(obj)) return false; |
| int size = obj->Size(); // Byte size of the original string. |
| if (size < i::ExternalString::kShortSize) return false; |
| i::StringShape shape(*obj); |
| return !shape.IsExternal(); |
| } |
| |
| |
| Isolate* v8::Object::GetIsolate() { |
| i::Isolate* i_isolate = Utils::OpenHandle(this)->GetIsolate(); |
| return reinterpret_cast<Isolate*>(i_isolate); |
| } |
| |
| |
| Local<v8::Object> v8::Object::New(Isolate* isolate) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "Object::New"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::JSObject> obj = |
| i_isolate->factory()->NewJSObject(i_isolate->object_function()); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<v8::Value> v8::NumberObject::New(Isolate* isolate, double value) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "NumberObject::New"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::Object> number = i_isolate->factory()->NewNumber(value); |
| i::Handle<i::Object> obj = |
| i::Object::ToObject(i_isolate, number).ToHandleChecked(); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| double v8::NumberObject::ValueOf() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj); |
| i::Isolate* isolate = jsvalue->GetIsolate(); |
| LOG_API(isolate, "NumberObject::NumberValue"); |
| return jsvalue->value()->Number(); |
| } |
| |
| |
| Local<v8::Value> v8::BooleanObject::New(bool value) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| LOG_API(isolate, "BooleanObject::New"); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> boolean(value |
| ? isolate->heap()->true_value() |
| : isolate->heap()->false_value(), |
| isolate); |
| i::Handle<i::Object> obj = |
| i::Object::ToObject(isolate, boolean).ToHandleChecked(); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| bool v8::BooleanObject::ValueOf() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj); |
| i::Isolate* isolate = jsvalue->GetIsolate(); |
| LOG_API(isolate, "BooleanObject::BooleanValue"); |
| return jsvalue->value()->IsTrue(); |
| } |
| |
| |
| Local<v8::Value> v8::StringObject::New(Handle<String> value) { |
| i::Handle<i::String> string = Utils::OpenHandle(*value); |
| i::Isolate* isolate = string->GetIsolate(); |
| LOG_API(isolate, "StringObject::New"); |
| ENTER_V8(isolate); |
| i::Handle<i::Object> obj = |
| i::Object::ToObject(isolate, string).ToHandleChecked(); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<v8::String> v8::StringObject::ValueOf() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj); |
| i::Isolate* isolate = jsvalue->GetIsolate(); |
| LOG_API(isolate, "StringObject::StringValue"); |
| return Utils::ToLocal( |
| i::Handle<i::String>(i::String::cast(jsvalue->value()))); |
| } |
| |
| |
| Local<v8::Value> v8::SymbolObject::New(Isolate* isolate, Handle<Symbol> value) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "SymbolObject::New"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::Object> obj = i::Object::ToObject( |
| i_isolate, Utils::OpenHandle(*value)).ToHandleChecked(); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<v8::Symbol> v8::SymbolObject::ValueOf() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj); |
| i::Isolate* isolate = jsvalue->GetIsolate(); |
| LOG_API(isolate, "SymbolObject::SymbolValue"); |
| return Utils::ToLocal( |
| i::Handle<i::Symbol>(i::Symbol::cast(jsvalue->value()))); |
| } |
| |
| |
| Local<v8::Value> v8::Date::New(Isolate* isolate, double time) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "Date::New"); |
| if (std::isnan(time)) { |
| // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. |
| time = base::OS::nan_value(); |
| } |
| ENTER_V8(i_isolate); |
| EXCEPTION_PREAMBLE(i_isolate); |
| i::Handle<i::Object> obj; |
| has_pending_exception = !i::Execution::NewDate( |
| i_isolate, time).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(i_isolate, Local<v8::Value>()); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| double v8::Date::ValueOf() const { |
| i::Handle<i::Object> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSDate> jsdate = i::Handle<i::JSDate>::cast(obj); |
| i::Isolate* isolate = jsdate->GetIsolate(); |
| LOG_API(isolate, "Date::NumberValue"); |
| return jsdate->value()->Number(); |
| } |
| |
| |
| void v8::Date::DateTimeConfigurationChangeNotification(Isolate* isolate) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| ON_BAILOUT(i_isolate, "v8::Date::DateTimeConfigurationChangeNotification()", |
| return); |
| LOG_API(i_isolate, "Date::DateTimeConfigurationChangeNotification"); |
| ENTER_V8(i_isolate); |
| |
| i_isolate->date_cache()->ResetDateCache(); |
| |
| if (!i_isolate->eternal_handles()->Exists( |
| i::EternalHandles::DATE_CACHE_VERSION)) { |
| return; |
| } |
| i::Handle<i::FixedArray> date_cache_version = |
| i::Handle<i::FixedArray>::cast(i_isolate->eternal_handles()->GetSingleton( |
| i::EternalHandles::DATE_CACHE_VERSION)); |
| DCHECK_EQ(1, date_cache_version->length()); |
| CHECK(date_cache_version->get(0)->IsSmi()); |
| date_cache_version->set( |
| 0, |
| i::Smi::FromInt(i::Smi::cast(date_cache_version->get(0))->value() + 1)); |
| } |
| |
| |
| static i::Handle<i::String> RegExpFlagsToString(RegExp::Flags flags) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| uint8_t flags_buf[3]; |
| int num_flags = 0; |
| if ((flags & RegExp::kGlobal) != 0) flags_buf[num_flags++] = 'g'; |
| if ((flags & RegExp::kMultiline) != 0) flags_buf[num_flags++] = 'm'; |
| if ((flags & RegExp::kIgnoreCase) != 0) flags_buf[num_flags++] = 'i'; |
| DCHECK(num_flags <= static_cast<int>(arraysize(flags_buf))); |
| return isolate->factory()->InternalizeOneByteString( |
| i::Vector<const uint8_t>(flags_buf, num_flags)); |
| } |
| |
| |
| Local<v8::RegExp> v8::RegExp::New(Handle<String> pattern, |
| Flags flags) { |
| i::Isolate* isolate = Utils::OpenHandle(*pattern)->GetIsolate(); |
| LOG_API(isolate, "RegExp::New"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::JSRegExp> obj; |
| has_pending_exception = !i::Execution::NewJSRegExp( |
| Utils::OpenHandle(*pattern), |
| RegExpFlagsToString(flags)).ToHandle(&obj); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::RegExp>()); |
| return Utils::ToLocal(i::Handle<i::JSRegExp>::cast(obj)); |
| } |
| |
| |
| Local<v8::String> v8::RegExp::GetSource() const { |
| i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this); |
| return Utils::ToLocal(i::Handle<i::String>(obj->Pattern())); |
| } |
| |
| |
| // Assert that the static flags cast in GetFlags is valid. |
| #define REGEXP_FLAG_ASSERT_EQ(api_flag, internal_flag) \ |
| STATIC_ASSERT(static_cast<int>(v8::RegExp::api_flag) == \ |
| static_cast<int>(i::JSRegExp::internal_flag)) |
| REGEXP_FLAG_ASSERT_EQ(kNone, NONE); |
| REGEXP_FLAG_ASSERT_EQ(kGlobal, GLOBAL); |
| REGEXP_FLAG_ASSERT_EQ(kIgnoreCase, IGNORE_CASE); |
| REGEXP_FLAG_ASSERT_EQ(kMultiline, MULTILINE); |
| #undef REGEXP_FLAG_ASSERT_EQ |
| |
| v8::RegExp::Flags v8::RegExp::GetFlags() const { |
| i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this); |
| return static_cast<RegExp::Flags>(obj->GetFlags().value()); |
| } |
| |
| |
| Local<v8::Array> v8::Array::New(Isolate* isolate, int length) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "Array::New"); |
| ENTER_V8(i_isolate); |
| int real_length = length > 0 ? length : 0; |
| i::Handle<i::JSArray> obj = i_isolate->factory()->NewJSArray(real_length); |
| i::Handle<i::Object> length_obj = |
| i_isolate->factory()->NewNumberFromInt(real_length); |
| obj->set_length(*length_obj); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| uint32_t v8::Array::Length() const { |
| 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) { |
| i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| ON_BAILOUT(isolate, "v8::Array::CloneElementAt()", return Local<Object>()); |
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); |
| if (!self->HasFastObjectElements()) { |
| 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(isolate); |
| ENTER_V8(isolate); |
| i::Handle<i::JSObject> result = |
| isolate->factory()->CopyJSObject(paragon_handle); |
| has_pending_exception = result.is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| bool Value::IsPromise() const { |
| i::Handle<i::Object> val = Utils::OpenHandle(this); |
| if (!val->IsJSObject()) return false; |
| i::Handle<i::JSObject> obj = i::Handle<i::JSObject>::cast(val); |
| i::Isolate* isolate = obj->GetIsolate(); |
| LOG_API(isolate, "IsPromise"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> argv[] = { obj }; |
| i::Handle<i::Object> b; |
| has_pending_exception = !i::Execution::Call( |
| isolate, |
| isolate->is_promise(), |
| isolate->factory()->undefined_value(), |
| arraysize(argv), argv, |
| false).ToHandle(&b); |
| EXCEPTION_BAILOUT_CHECK(isolate, false); |
| return b->BooleanValue(); |
| } |
| |
| |
| Local<Promise::Resolver> Promise::Resolver::New(Isolate* v8_isolate) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate); |
| LOG_API(isolate, "Promise::Resolver::New"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> result; |
| has_pending_exception = !i::Execution::Call( |
| isolate, |
| isolate->promise_create(), |
| isolate->factory()->undefined_value(), |
| 0, NULL, |
| false).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Promise::Resolver>()); |
| return Local<Promise::Resolver>::Cast(Utils::ToLocal(result)); |
| } |
| |
| |
| Local<Promise> Promise::Resolver::GetPromise() { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| return Local<Promise>::Cast(Utils::ToLocal(promise)); |
| } |
| |
| |
| void Promise::Resolver::Resolve(Handle<Value> value) { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| i::Isolate* isolate = promise->GetIsolate(); |
| LOG_API(isolate, "Promise::Resolver::Resolve"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> argv[] = { promise, Utils::OpenHandle(*value) }; |
| has_pending_exception = i::Execution::Call( |
| isolate, |
| isolate->promise_resolve(), |
| isolate->factory()->undefined_value(), |
| arraysize(argv), argv, |
| false).is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, /* void */ ;); |
| } |
| |
| |
| void Promise::Resolver::Reject(Handle<Value> value) { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| i::Isolate* isolate = promise->GetIsolate(); |
| LOG_API(isolate, "Promise::Resolver::Reject"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> argv[] = { promise, Utils::OpenHandle(*value) }; |
| has_pending_exception = i::Execution::Call( |
| isolate, |
| isolate->promise_reject(), |
| isolate->factory()->undefined_value(), |
| arraysize(argv), argv, |
| false).is_null(); |
| EXCEPTION_BAILOUT_CHECK(isolate, /* void */ ;); |
| } |
| |
| |
| Local<Promise> Promise::Chain(Handle<Function> handler) { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| i::Isolate* isolate = promise->GetIsolate(); |
| LOG_API(isolate, "Promise::Chain"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> argv[] = { Utils::OpenHandle(*handler) }; |
| i::Handle<i::Object> result; |
| has_pending_exception = !i::Execution::Call( |
| isolate, |
| isolate->promise_chain(), |
| promise, |
| arraysize(argv), argv, |
| false).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Promise>()); |
| return Local<Promise>::Cast(Utils::ToLocal(result)); |
| } |
| |
| |
| Local<Promise> Promise::Catch(Handle<Function> handler) { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| i::Isolate* isolate = promise->GetIsolate(); |
| LOG_API(isolate, "Promise::Catch"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> argv[] = { Utils::OpenHandle(*handler) }; |
| i::Handle<i::Object> result; |
| has_pending_exception = !i::Execution::Call( |
| isolate, |
| isolate->promise_catch(), |
| promise, |
| arraysize(argv), argv, |
| false).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Promise>()); |
| return Local<Promise>::Cast(Utils::ToLocal(result)); |
| } |
| |
| |
| Local<Promise> Promise::Then(Handle<Function> handler) { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| i::Isolate* isolate = promise->GetIsolate(); |
| LOG_API(isolate, "Promise::Then"); |
| ENTER_V8(isolate); |
| EXCEPTION_PREAMBLE(isolate); |
| i::Handle<i::Object> argv[] = { Utils::OpenHandle(*handler) }; |
| i::Handle<i::Object> result; |
| has_pending_exception = !i::Execution::Call( |
| isolate, |
| isolate->promise_then(), |
| promise, |
| arraysize(argv), argv, |
| false).ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Promise>()); |
| return Local<Promise>::Cast(Utils::ToLocal(result)); |
| } |
| |
| |
| bool Promise::HasHandler() { |
| i::Handle<i::JSObject> promise = Utils::OpenHandle(this); |
| i::Isolate* isolate = promise->GetIsolate(); |
| LOG_API(isolate, "Promise::HasRejectHandler"); |
| ENTER_V8(isolate); |
| i::Handle<i::Symbol> key = isolate->factory()->promise_has_handler_symbol(); |
| return i::JSObject::GetDataProperty(promise, key)->IsTrue(); |
| } |
| |
| |
| bool v8::ArrayBuffer::IsExternal() const { |
| return Utils::OpenHandle(this)->is_external(); |
| } |
| |
| |
| bool v8::ArrayBuffer::IsNeuterable() const { |
| return Utils::OpenHandle(this)->is_neuterable(); |
| } |
| |
| |
| v8::ArrayBuffer::Contents v8::ArrayBuffer::Externalize() { |
| i::Handle<i::JSArrayBuffer> obj = Utils::OpenHandle(this); |
| Utils::ApiCheck(!obj->is_external(), |
| "v8::ArrayBuffer::Externalize", |
| "ArrayBuffer already externalized"); |
| obj->set_is_external(true); |
| size_t byte_length = static_cast<size_t>(obj->byte_length()->Number()); |
| Contents contents; |
| contents.data_ = obj->backing_store(); |
| contents.byte_length_ = byte_length; |
| return contents; |
| } |
| |
| |
| void v8::ArrayBuffer::Neuter() { |
| i::Handle<i::JSArrayBuffer> obj = Utils::OpenHandle(this); |
| i::Isolate* isolate = obj->GetIsolate(); |
| Utils::ApiCheck(obj->is_external(), |
| "v8::ArrayBuffer::Neuter", |
| "Only externalized ArrayBuffers can be neutered"); |
| Utils::ApiCheck(obj->is_neuterable(), "v8::ArrayBuffer::Neuter", |
| "Only neuterable ArrayBuffers can be neutered"); |
| LOG_API(obj->GetIsolate(), "v8::ArrayBuffer::Neuter()"); |
| ENTER_V8(isolate); |
| i::Runtime::NeuterArrayBuffer(obj); |
| } |
| |
| |
| size_t v8::ArrayBuffer::ByteLength() const { |
| i::Handle<i::JSArrayBuffer> obj = Utils::OpenHandle(this); |
| return static_cast<size_t>(obj->byte_length()->Number()); |
| } |
| |
| |
| Local<ArrayBuffer> v8::ArrayBuffer::New(Isolate* isolate, size_t byte_length) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "v8::ArrayBuffer::New(size_t)"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::JSArrayBuffer> obj = |
| i_isolate->factory()->NewJSArrayBuffer(); |
| i::Runtime::SetupArrayBufferAllocatingData(i_isolate, obj, byte_length); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<ArrayBuffer> v8::ArrayBuffer::New(Isolate* isolate, void* data, |
| size_t byte_length) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "v8::ArrayBuffer::New(void*, size_t)"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::JSArrayBuffer> obj = |
| i_isolate->factory()->NewJSArrayBuffer(); |
| i::Runtime::SetupArrayBuffer(i_isolate, obj, true, data, byte_length); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<ArrayBuffer> v8::ArrayBufferView::Buffer() { |
| i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this); |
| i::Handle<i::JSArrayBuffer> buffer; |
| if (obj->IsJSDataView()) { |
| i::Handle<i::JSDataView> data_view(i::JSDataView::cast(*obj)); |
| DCHECK(data_view->buffer()->IsJSArrayBuffer()); |
| buffer = i::handle(i::JSArrayBuffer::cast(data_view->buffer())); |
| } else { |
| DCHECK(obj->IsJSTypedArray()); |
| buffer = i::JSTypedArray::cast(*obj)->GetBuffer(); |
| } |
| return Utils::ToLocal(buffer); |
| } |
| |
| |
| size_t v8::ArrayBufferView::ByteOffset() { |
| i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this); |
| return static_cast<size_t>(obj->byte_offset()->Number()); |
| } |
| |
| |
| size_t v8::ArrayBufferView::ByteLength() { |
| i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this); |
| return static_cast<size_t>(obj->byte_length()->Number()); |
| } |
| |
| |
| size_t v8::TypedArray::Length() { |
| i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this); |
| return static_cast<size_t>(obj->length()->Number()); |
| } |
| |
| |
| #define TYPED_ARRAY_NEW(Type, type, TYPE, ctype, size) \ |
| Local<Type##Array> Type##Array::New(Handle<ArrayBuffer> array_buffer, \ |
| size_t byte_offset, size_t length) { \ |
| i::Isolate* isolate = Utils::OpenHandle(*array_buffer)->GetIsolate(); \ |
| LOG_API(isolate, \ |
| "v8::" #Type "Array::New(Handle<ArrayBuffer>, size_t, size_t)"); \ |
| ENTER_V8(isolate); \ |
| if (!Utils::ApiCheck(length <= static_cast<size_t>(i::Smi::kMaxValue), \ |
| "v8::" #Type \ |
| "Array::New(Handle<ArrayBuffer>, size_t, size_t)", \ |
| "length exceeds max allowed value")) { \ |
| return Local<Type##Array>(); \ |
| } \ |
| i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer); \ |
| i::Handle<i::JSTypedArray> obj = isolate->factory()->NewJSTypedArray( \ |
| v8::kExternal##Type##Array, buffer, byte_offset, length); \ |
| return Utils::ToLocal##Type##Array(obj); \ |
| } |
| |
| |
| TYPED_ARRAYS(TYPED_ARRAY_NEW) |
| #undef TYPED_ARRAY_NEW |
| |
| Local<DataView> DataView::New(Handle<ArrayBuffer> array_buffer, |
| size_t byte_offset, size_t byte_length) { |
| i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer); |
| i::Isolate* isolate = buffer->GetIsolate(); |
| LOG_API(isolate, "v8::DataView::New(void*, size_t, size_t)"); |
| ENTER_V8(isolate); |
| i::Handle<i::JSDataView> obj = |
| isolate->factory()->NewJSDataView(buffer, byte_offset, byte_length); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| Local<Symbol> v8::Symbol::New(Isolate* isolate, Local<String> name) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "Symbol::New()"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::Symbol> result = i_isolate->factory()->NewSymbol(); |
| if (!name.IsEmpty()) result->set_name(*Utils::OpenHandle(*name)); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| static i::Handle<i::Symbol> SymbolFor(i::Isolate* isolate, |
| i::Handle<i::String> name, |
| i::Handle<i::String> part) { |
| i::Handle<i::JSObject> registry = isolate->GetSymbolRegistry(); |
| i::Handle<i::JSObject> symbols = |
| i::Handle<i::JSObject>::cast( |
| i::Object::GetPropertyOrElement(registry, part).ToHandleChecked()); |
| i::Handle<i::Object> symbol = |
| i::Object::GetPropertyOrElement(symbols, name).ToHandleChecked(); |
| if (!symbol->IsSymbol()) { |
| DCHECK(symbol->IsUndefined()); |
| symbol = isolate->factory()->NewSymbol(); |
| i::Handle<i::Symbol>::cast(symbol)->set_name(*name); |
| i::JSObject::SetProperty(symbols, name, symbol, i::STRICT).Assert(); |
| } |
| return i::Handle<i::Symbol>::cast(symbol); |
| } |
| |
| |
| Local<Symbol> v8::Symbol::For(Isolate* isolate, Local<String> name) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| i::Handle<i::String> i_name = Utils::OpenHandle(*name); |
| i::Handle<i::String> part = i_isolate->factory()->for_string(); |
| return Utils::ToLocal(SymbolFor(i_isolate, i_name, part)); |
| } |
| |
| |
| Local<Symbol> v8::Symbol::ForApi(Isolate* isolate, Local<String> name) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| i::Handle<i::String> i_name = Utils::OpenHandle(*name); |
| i::Handle<i::String> part = i_isolate->factory()->for_api_string(); |
| return Utils::ToLocal(SymbolFor(i_isolate, i_name, part)); |
| } |
| |
| |
| static Local<Symbol> GetWellKnownSymbol(Isolate* isolate, const char* name) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| i::Handle<i::String> i_name = |
| Utils::OpenHandle(*String::NewFromUtf8(isolate, name)); |
| i::Handle<i::String> part = i_isolate->factory()->for_intern_string(); |
| return Utils::ToLocal(SymbolFor(i_isolate, i_name, part)); |
| } |
| |
| |
| Local<Symbol> v8::Symbol::GetIterator(Isolate* isolate) { |
| return GetWellKnownSymbol(isolate, "Symbol.iterator"); |
| } |
| |
| |
| Local<Symbol> v8::Symbol::GetUnscopables(Isolate* isolate) { |
| return GetWellKnownSymbol(isolate, "Symbol.unscopables"); |
| } |
| |
| |
| Local<Symbol> v8::Symbol::GetToStringTag(Isolate* isolate) { |
| return GetWellKnownSymbol(isolate, "Symbol.toStringTag"); |
| } |
| |
| |
| Local<Private> v8::Private::New(Isolate* isolate, Local<String> name) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| LOG_API(i_isolate, "Private::New()"); |
| ENTER_V8(i_isolate); |
| i::Handle<i::Symbol> symbol = i_isolate->factory()->NewPrivateSymbol(); |
| if (!name.IsEmpty()) symbol->set_name(*Utils::OpenHandle(*name)); |
| Local<Symbol> result = Utils::ToLocal(symbol); |
| return v8::Handle<Private>(reinterpret_cast<Private*>(*result)); |
| } |
| |
| |
| Local<Private> v8::Private::ForApi(Isolate* isolate, Local<String> name) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| i::Handle<i::String> i_name = Utils::OpenHandle(*name); |
| i::Handle<i::JSObject> registry = i_isolate->GetSymbolRegistry(); |
| i::Handle<i::String> part = i_isolate->factory()->private_api_string(); |
| i::Handle<i::JSObject> privates = |
| i::Handle<i::JSObject>::cast( |
| i::Object::GetPropertyOrElement(registry, part).ToHandleChecked()); |
| i::Handle<i::Object> symbol = |
| i::Object::GetPropertyOrElement(privates, i_name).ToHandleChecked(); |
| if (!symbol->IsSymbol()) { |
| DCHECK(symbol->IsUndefined()); |
| symbol = i_isolate->factory()->NewPrivateSymbol(); |
| i::Handle<i::Symbol>::cast(symbol)->set_name(*i_name); |
| i::JSObject::SetProperty(privates, i_name, symbol, i::STRICT).Assert(); |
| } |
| Local<Symbol> result = Utils::ToLocal(i::Handle<i::Symbol>::cast(symbol)); |
| return v8::Handle<Private>(reinterpret_cast<Private*>(*result)); |
| } |
| |
| |
| Local<Number> v8::Number::New(Isolate* isolate, double value) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| if (std::isnan(value)) { |
| // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. |
| value = base::OS::nan_value(); |
| } |
| ENTER_V8(internal_isolate); |
| i::Handle<i::Object> result = internal_isolate->factory()->NewNumber(value); |
| return Utils::NumberToLocal(result); |
| } |
| |
| |
| Local<Integer> v8::Integer::New(Isolate* isolate, int32_t value) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| if (i::Smi::IsValid(value)) { |
| return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value), |
| internal_isolate)); |
| } |
| ENTER_V8(internal_isolate); |
| i::Handle<i::Object> result = internal_isolate->factory()->NewNumber(value); |
| return Utils::IntegerToLocal(result); |
| } |
| |
| |
| Local<Integer> v8::Integer::NewFromUnsigned(Isolate* isolate, uint32_t value) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| bool fits_into_int32_t = (value & (1 << 31)) == 0; |
| if (fits_into_int32_t) { |
| return Integer::New(isolate, static_cast<int32_t>(value)); |
| } |
| ENTER_V8(internal_isolate); |
| i::Handle<i::Object> result = internal_isolate->factory()->NewNumber(value); |
| return Utils::IntegerToLocal(result); |
| } |
| |
| |
| void Isolate::CollectAllGarbage(const char* gc_reason) { |
| reinterpret_cast<i::Isolate*>(this)->heap()->CollectAllGarbage( |
| i::Heap::kNoGCFlags, gc_reason); |
| } |
| |
| |
| HeapProfiler* Isolate::GetHeapProfiler() { |
| i::HeapProfiler* heap_profiler = |
| reinterpret_cast<i::Isolate*>(this)->heap_profiler(); |
| return reinterpret_cast<HeapProfiler*>(heap_profiler); |
| } |
| |
| |
| CpuProfiler* Isolate::GetCpuProfiler() { |
| i::CpuProfiler* cpu_profiler = |
| reinterpret_cast<i::Isolate*>(this)->cpu_profiler(); |
| return reinterpret_cast<CpuProfiler*>(cpu_profiler); |
| } |
| |
| |
| bool Isolate::InContext() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| return isolate->context() != NULL; |
| } |
| |
| |
| v8::Local<v8::Context> Isolate::GetCurrentContext() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::Context* context = isolate->context(); |
| if (context == NULL) return Local<Context>(); |
| i::Context* native_context = context->native_context(); |
| if (native_context == NULL) return Local<Context>(); |
| return Utils::ToLocal(i::Handle<i::Context>(native_context)); |
| } |
| |
| |
| v8::Local<v8::Context> Isolate::GetCallingContext() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::Handle<i::Object> calling = isolate->GetCallingNativeContext(); |
| if (calling.is_null()) return Local<Context>(); |
| return Utils::ToLocal(i::Handle<i::Context>::cast(calling)); |
| } |
| |
| |
| v8::Local<v8::Context> Isolate::GetEnteredContext() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::Handle<i::Object> last = |
| isolate->handle_scope_implementer()->LastEnteredContext(); |
| if (last.is_null()) return Local<Context>(); |
| return Utils::ToLocal(i::Handle<i::Context>::cast(last)); |
| } |
| |
| |
| v8::Local<Value> Isolate::ThrowException(v8::Local<v8::Value> value) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| ENTER_V8(isolate); |
| // If we're passed an empty handle, we throw an undefined exception |
| // to deal more gracefully with out of memory situations. |
| if (value.IsEmpty()) { |
| isolate->ScheduleThrow(isolate->heap()->undefined_value()); |
| } else { |
| isolate->ScheduleThrow(*Utils::OpenHandle(*value)); |
| } |
| return v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| |
| |
| void Isolate::SetObjectGroupId(internal::Object** object, UniqueId id) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this); |
| internal_isolate->global_handles()->SetObjectGroupId( |
| v8::internal::Handle<v8::internal::Object>(object).location(), |
| id); |
| } |
| |
| |
| void Isolate::SetReferenceFromGroup(UniqueId id, internal::Object** object) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this); |
| internal_isolate->global_handles()->SetReferenceFromGroup( |
| id, |
| v8::internal::Handle<v8::internal::Object>(object).location()); |
| } |
| |
| |
| void Isolate::SetReference(internal::Object** parent, |
| internal::Object** child) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this); |
| i::Object** parent_location = |
| v8::internal::Handle<v8::internal::Object>(parent).location(); |
| internal_isolate->global_handles()->SetReference( |
| reinterpret_cast<i::HeapObject**>(parent_location), |
| v8::internal::Handle<v8::internal::Object>(child).location()); |
| } |
| |
| |
| void Isolate::AddGCPrologueCallback(GCPrologueCallback callback, |
| GCType gc_type) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->heap()->AddGCPrologueCallback(callback, gc_type); |
| } |
| |
| |
| void Isolate::RemoveGCPrologueCallback(GCPrologueCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->heap()->RemoveGCPrologueCallback(callback); |
| } |
| |
| |
| void Isolate::AddGCEpilogueCallback(GCEpilogueCallback callback, |
| GCType gc_type) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->heap()->AddGCEpilogueCallback(callback, gc_type); |
| } |
| |
| |
| void Isolate::RemoveGCEpilogueCallback(GCEpilogueCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->heap()->RemoveGCEpilogueCallback(callback); |
| } |
| |
| |
| void V8::AddGCPrologueCallback(GCPrologueCallback callback, GCType gc_type) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| isolate->heap()->AddGCPrologueCallback( |
| reinterpret_cast<v8::Isolate::GCPrologueCallback>(callback), |
| gc_type, |
| false); |
| } |
| |
| |
| void V8::AddGCEpilogueCallback(GCEpilogueCallback callback, GCType gc_type) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| isolate->heap()->AddGCEpilogueCallback( |
| reinterpret_cast<v8::Isolate::GCEpilogueCallback>(callback), |
| gc_type, |
| false); |
| } |
| |
| |
| void Isolate::AddMemoryAllocationCallback(MemoryAllocationCallback callback, |
| ObjectSpace space, |
| AllocationAction action) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->memory_allocator()->AddMemoryAllocationCallback( |
| callback, space, action); |
| } |
| |
| |
| void Isolate::RemoveMemoryAllocationCallback( |
| MemoryAllocationCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->memory_allocator()->RemoveMemoryAllocationCallback( |
| callback); |
| } |
| |
| |
| void Isolate::TerminateExecution() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->stack_guard()->RequestTerminateExecution(); |
| } |
| |
| |
| bool Isolate::IsExecutionTerminating() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| return IsExecutionTerminatingCheck(isolate); |
| } |
| |
| |
| void Isolate::CancelTerminateExecution() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->stack_guard()->ClearTerminateExecution(); |
| isolate->CancelTerminateExecution(); |
| } |
| |
| |
| void Isolate::RequestInterrupt(InterruptCallback callback, void* data) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->set_api_interrupt_callback(callback); |
| isolate->set_api_interrupt_callback_data(data); |
| isolate->stack_guard()->RequestApiInterrupt(); |
| } |
| |
| |
| void Isolate::ClearInterrupt() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->stack_guard()->ClearApiInterrupt(); |
| isolate->set_api_interrupt_callback(NULL); |
| isolate->set_api_interrupt_callback_data(NULL); |
| } |
| |
| |
| void Isolate::RequestGarbageCollectionForTesting(GarbageCollectionType type) { |
| CHECK(i::FLAG_expose_gc); |
| if (type == kMinorGarbageCollection) { |
| reinterpret_cast<i::Isolate*>(this)->heap()->CollectGarbage( |
| i::NEW_SPACE, "Isolate::RequestGarbageCollection", |
| kGCCallbackFlagForced); |
| } else { |
| DCHECK_EQ(kFullGarbageCollection, type); |
| reinterpret_cast<i::Isolate*>(this)->heap()->CollectAllGarbage( |
| i::Heap::kAbortIncrementalMarkingMask, |
| "Isolate::RequestGarbageCollection", kGCCallbackFlagForced); |
| } |
| } |
| |
| |
| Isolate* Isolate::GetCurrent() { |
| i::Isolate* isolate = i::Isolate::Current(); |
| return reinterpret_cast<Isolate*>(isolate); |
| } |
| |
| |
| Isolate* Isolate::New(const Isolate::CreateParams& params) { |
| i::Isolate* isolate = new i::Isolate(params.enable_serializer); |
| Isolate* v8_isolate = reinterpret_cast<Isolate*>(isolate); |
| if (params.entry_hook) { |
| isolate->set_function_entry_hook(params.entry_hook); |
| } |
| if (params.code_event_handler) { |
| isolate->InitializeLoggingAndCounters(); |
| isolate->logger()->SetCodeEventHandler(kJitCodeEventDefault, |
| params.code_event_handler); |
| } |
| SetResourceConstraints(isolate, params.constraints); |
| // TODO(jochen): Once we got rid of Isolate::Current(), we can remove this. |
| Isolate::Scope isolate_scope(v8_isolate); |
| if (params.entry_hook || !i::Snapshot::Initialize(isolate)) { |
| // If the isolate has a function entry hook, it needs to re-build all its |
| // code stubs with entry hooks embedded, so don't deserialize a snapshot. |
| isolate->Init(NULL); |
| } |
| return v8_isolate; |
| } |
| |
| |
| void Isolate::Dispose() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| if (!Utils::ApiCheck(!isolate->IsInUse(), |
| "v8::Isolate::Dispose()", |
| "Disposing the isolate that is entered by a thread.")) { |
| return; |
| } |
| isolate->TearDown(); |
| } |
| |
| |
| void Isolate::Enter() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->Enter(); |
| } |
| |
| |
| void Isolate::Exit() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->Exit(); |
| } |
| |
| |
| Isolate::DisallowJavascriptExecutionScope::DisallowJavascriptExecutionScope( |
| Isolate* isolate, |
| Isolate::DisallowJavascriptExecutionScope::OnFailure on_failure) |
| : on_failure_(on_failure) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| if (on_failure_ == CRASH_ON_FAILURE) { |
| internal_ = reinterpret_cast<void*>( |
| new i::DisallowJavascriptExecution(i_isolate)); |
| } else { |
| DCHECK_EQ(THROW_ON_FAILURE, on_failure); |
| internal_ = reinterpret_cast<void*>( |
| new i::ThrowOnJavascriptExecution(i_isolate)); |
| } |
| } |
| |
| |
| Isolate::DisallowJavascriptExecutionScope::~DisallowJavascriptExecutionScope() { |
| if (on_failure_ == CRASH_ON_FAILURE) { |
| delete reinterpret_cast<i::DisallowJavascriptExecution*>(internal_); |
| } else { |
| delete reinterpret_cast<i::ThrowOnJavascriptExecution*>(internal_); |
| } |
| } |
| |
| |
| Isolate::AllowJavascriptExecutionScope::AllowJavascriptExecutionScope( |
| Isolate* isolate) { |
| i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| internal_assert_ = reinterpret_cast<void*>( |
| new i::AllowJavascriptExecution(i_isolate)); |
| internal_throws_ = reinterpret_cast<void*>( |
| new i::NoThrowOnJavascriptExecution(i_isolate)); |
| } |
| |
| |
| Isolate::AllowJavascriptExecutionScope::~AllowJavascriptExecutionScope() { |
| delete reinterpret_cast<i::AllowJavascriptExecution*>(internal_assert_); |
| delete reinterpret_cast<i::NoThrowOnJavascriptExecution*>(internal_throws_); |
| } |
| |
| |
| Isolate::SuppressMicrotaskExecutionScope::SuppressMicrotaskExecutionScope( |
| Isolate* isolate) |
| : isolate_(reinterpret_cast<i::Isolate*>(isolate)) { |
| isolate_->handle_scope_implementer()->IncrementCallDepth(); |
| } |
| |
| |
| Isolate::SuppressMicrotaskExecutionScope::~SuppressMicrotaskExecutionScope() { |
| isolate_->handle_scope_implementer()->DecrementCallDepth(); |
| } |
| |
| |
| void Isolate::GetHeapStatistics(HeapStatistics* heap_statistics) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::Heap* heap = isolate->heap(); |
| heap_statistics->total_heap_size_ = heap->CommittedMemory(); |
| heap_statistics->total_heap_size_executable_ = |
| heap->CommittedMemoryExecutable(); |
| heap_statistics->total_physical_size_ = heap->CommittedPhysicalMemory(); |
| heap_statistics->used_heap_size_ = heap->SizeOfObjects(); |
| heap_statistics->heap_size_limit_ = heap->MaxReserved(); |
| } |
| |
| |
| void Isolate::GetStackSample(const RegisterState& state, void** frames, |
| size_t frames_limit, SampleInfo* sample_info) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::TickSample::GetStackSample(isolate, state, i::TickSample::kSkipCEntryFrame, |
| frames, frames_limit, sample_info); |
| } |
| |
| |
| void Isolate::SetEventLogger(LogEventCallback that) { |
| // Do not overwrite the event logger if we want to log explicitly. |
| if (i::FLAG_log_internal_timer_events) return; |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->set_event_logger(that); |
| } |
| |
| |
| void Isolate::AddCallCompletedCallback(CallCompletedCallback callback) { |
| if (callback == NULL) return; |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->AddCallCompletedCallback(callback); |
| } |
| |
| |
| void Isolate::RemoveCallCompletedCallback(CallCompletedCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->RemoveCallCompletedCallback(callback); |
| } |
| |
| |
| void Isolate::SetPromiseRejectCallback(PromiseRejectCallback callback) { |
| if (callback == NULL) return; |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->SetPromiseRejectCallback(callback); |
| } |
| |
| |
| void Isolate::RunMicrotasks() { |
| reinterpret_cast<i::Isolate*>(this)->RunMicrotasks(); |
| } |
| |
| |
| void Isolate::EnqueueMicrotask(Handle<Function> microtask) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->EnqueueMicrotask(Utils::OpenHandle(*microtask)); |
| } |
| |
| |
| void Isolate::EnqueueMicrotask(MicrotaskCallback microtask, void* data) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::HandleScope scope(isolate); |
| i::Handle<i::CallHandlerInfo> callback_info = |
| i::Handle<i::CallHandlerInfo>::cast( |
| isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE)); |
| SET_FIELD_WRAPPED(callback_info, set_callback, microtask); |
| SET_FIELD_WRAPPED(callback_info, set_data, data); |
| isolate->EnqueueMicrotask(callback_info); |
| } |
| |
| |
| void Isolate::SetAutorunMicrotasks(bool autorun) { |
| reinterpret_cast<i::Isolate*>(this)->set_autorun_microtasks(autorun); |
| } |
| |
| |
| bool Isolate::WillAutorunMicrotasks() const { |
| return reinterpret_cast<const i::Isolate*>(this)->autorun_microtasks(); |
| } |
| |
| |
| void Isolate::SetUseCounterCallback(UseCounterCallback callback) { |
| reinterpret_cast<i::Isolate*>(this)->SetUseCounterCallback(callback); |
| } |
| |
| |
| void Isolate::SetCounterFunction(CounterLookupCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->stats_table()->SetCounterFunction(callback); |
| isolate->InitializeLoggingAndCounters(); |
| isolate->counters()->ResetCounters(); |
| } |
| |
| |
| void Isolate::SetCreateHistogramFunction(CreateHistogramCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->stats_table()->SetCreateHistogramFunction(callback); |
| isolate->InitializeLoggingAndCounters(); |
| isolate->counters()->ResetHistograms(); |
| } |
| |
| |
| void Isolate::SetAddHistogramSampleFunction( |
| AddHistogramSampleCallback callback) { |
| reinterpret_cast<i::Isolate*>(this) |
| ->stats_table() |
| ->SetAddHistogramSampleFunction(callback); |
| } |
| |
| |
| bool Isolate::IdleNotification(int idle_time_in_ms) { |
| // Returning true tells the caller that it need not |
| // continue to call IdleNotification. |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| if (!i::FLAG_use_idle_notification) return true; |
| return isolate->heap()->IdleNotification(idle_time_in_ms); |
| } |
| |
| |
| void Isolate::LowMemoryNotification() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| { |
| i::HistogramTimerScope idle_notification_scope( |
| isolate->counters()->gc_low_memory_notification()); |
| isolate->heap()->CollectAllAvailableGarbage("low memory notification"); |
| } |
| } |
| |
| |
| int Isolate::ContextDisposedNotification() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| return isolate->heap()->NotifyContextDisposed(); |
| } |
| |
| |
| void Isolate::SetJitCodeEventHandler(JitCodeEventOptions options, |
| JitCodeEventHandler event_handler) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| // Ensure that logging is initialized for our isolate. |
| isolate->InitializeLoggingAndCounters(); |
| isolate->logger()->SetCodeEventHandler(options, event_handler); |
| } |
| |
| |
| void Isolate::SetStackLimit(uintptr_t stack_limit) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| CHECK(stack_limit); |
| isolate->stack_guard()->SetStackLimit(stack_limit); |
| } |
| |
| |
| void Isolate::GetCodeRange(void** start, size_t* length_in_bytes) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| if (isolate->code_range()->valid()) { |
| *start = isolate->code_range()->start(); |
| *length_in_bytes = isolate->code_range()->size(); |
| } else { |
| *start = NULL; |
| *length_in_bytes = 0; |
| } |
| } |
| |
| |
| void Isolate::SetFatalErrorHandler(FatalErrorCallback that) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->set_exception_behavior(that); |
| } |
| |
| |
| void Isolate::SetAllowCodeGenerationFromStringsCallback( |
| AllowCodeGenerationFromStringsCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->set_allow_code_gen_callback(callback); |
| } |
| |
| |
| bool Isolate::IsDead() { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| return isolate->IsDead(); |
| } |
| |
| |
| bool Isolate::AddMessageListener(MessageCallback that, Handle<Value> data) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| ON_BAILOUT(isolate, "v8::V8::AddMessageListener()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| NeanderArray listeners(isolate->factory()->message_listeners()); |
| NeanderObject obj(isolate, 2); |
| obj.set(0, *isolate->factory()->NewForeign(FUNCTION_ADDR(that))); |
| obj.set(1, data.IsEmpty() ? isolate->heap()->undefined_value() |
| : *Utils::OpenHandle(*data)); |
| listeners.add(isolate, obj.value()); |
| return true; |
| } |
| |
| |
| void Isolate::RemoveMessageListeners(MessageCallback that) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| ON_BAILOUT(isolate, "v8::V8::RemoveMessageListeners()", return); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| NeanderArray listeners(isolate->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::Foreign> callback_obj(i::Foreign::cast(listener.get(0))); |
| if (callback_obj->foreign_address() == FUNCTION_ADDR(that)) { |
| listeners.set(i, isolate->heap()->undefined_value()); |
| } |
| } |
| } |
| |
| |
| void Isolate::SetFailedAccessCheckCallbackFunction( |
| FailedAccessCheckCallback callback) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->SetFailedAccessCheckCallback(callback); |
| } |
| |
| |
| void Isolate::SetCaptureStackTraceForUncaughtExceptions( |
| bool capture, int frame_limit, StackTrace::StackTraceOptions options) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->SetCaptureStackTraceForUncaughtExceptions(capture, frame_limit, |
| options); |
| } |
| |
| |
| void Isolate::VisitExternalResources(ExternalResourceVisitor* visitor) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| isolate->heap()->VisitExternalResources(visitor); |
| } |
| |
| |
| class VisitorAdapter : public i::ObjectVisitor { |
| public: |
| explicit VisitorAdapter(PersistentHandleVisitor* visitor) |
| : visitor_(visitor) {} |
| virtual void VisitPointers(i::Object** start, i::Object** end) { |
| UNREACHABLE(); |
| } |
| virtual void VisitEmbedderReference(i::Object** p, uint16_t class_id) { |
| Value* value = ToApi<Value>(i::Handle<i::Object>(p)); |
| visitor_->VisitPersistentHandle( |
| reinterpret_cast<Persistent<Value>*>(&value), class_id); |
| } |
| |
| private: |
| PersistentHandleVisitor* visitor_; |
| }; |
| |
| |
| void Isolate::VisitHandlesWithClassIds(PersistentHandleVisitor* visitor) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::DisallowHeapAllocation no_allocation; |
| VisitorAdapter visitor_adapter(visitor); |
| isolate->global_handles()->IterateAllRootsWithClassIds(&visitor_adapter); |
| } |
| |
| |
| void Isolate::VisitHandlesForPartialDependence( |
| PersistentHandleVisitor* visitor) { |
| i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this); |
| i::DisallowHeapAllocation no_allocation; |
| VisitorAdapter visitor_adapter(visitor); |
| isolate->global_handles()->IterateAllRootsInNewSpaceWithClassIds( |
| &visitor_adapter); |
| } |
| |
| |
| String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj) |
| : str_(NULL), length_(0) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| if (obj.IsEmpty()) return; |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| TryCatch try_catch; |
| Handle<String> str = obj->ToString(reinterpret_cast<v8::Isolate*>(isolate)); |
| if (str.IsEmpty()) return; |
| i::Handle<i::String> i_str = Utils::OpenHandle(*str); |
| length_ = v8::Utf8Length(*i_str, isolate); |
| str_ = i::NewArray<char>(length_ + 1); |
| str->WriteUtf8(str_); |
| } |
| |
| |
| String::Utf8Value::~Utf8Value() { |
| i::DeleteArray(str_); |
| } |
| |
| |
| String::Value::Value(v8::Handle<v8::Value> obj) |
| : str_(NULL), length_(0) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| if (obj.IsEmpty()) return; |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| TryCatch try_catch; |
| Handle<String> str = obj->ToString(reinterpret_cast<v8::Isolate*>(isolate)); |
| if (str.IsEmpty()) return; |
| length_ = str->Length(); |
| str_ = i::NewArray<uint16_t>(length_ + 1); |
| str->Write(str_); |
| } |
| |
| |
| String::Value::~Value() { |
| i::DeleteArray(str_); |
| } |
| |
| |
| #define DEFINE_ERROR(NAME) \ |
| Local<Value> Exception::NAME(v8::Handle<v8::String> raw_message) { \ |
| i::Isolate* isolate = i::Isolate::Current(); \ |
| LOG_API(isolate, #NAME); \ |
| ON_BAILOUT(isolate, "v8::Exception::" #NAME "()", return Local<Value>()); \ |
| ENTER_V8(isolate); \ |
| i::Object* error; \ |
| { \ |
| i::HandleScope scope(isolate); \ |
| i::Handle<i::String> message = Utils::OpenHandle(*raw_message); \ |
| i::Handle<i::Object> result; \ |
| EXCEPTION_PREAMBLE(isolate); \ |
| i::MaybeHandle<i::Object> maybe_result = \ |
| isolate->factory()->New##NAME(message); \ |
| has_pending_exception = !maybe_result.ToHandle(&result); \ |
| /* TODO(yangguo): crbug/403509. Return empty handle instead. */ \ |
| EXCEPTION_BAILOUT_CHECK( \ |
| isolate, v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate))); \ |
| error = *result; \ |
| } \ |
| i::Handle<i::Object> result(error, isolate); \ |
| return Utils::ToLocal(result); \ |
| } |
| |
| DEFINE_ERROR(RangeError) |
| DEFINE_ERROR(ReferenceError) |
| DEFINE_ERROR(SyntaxError) |
| DEFINE_ERROR(TypeError) |
| DEFINE_ERROR(Error) |
| |
| #undef DEFINE_ERROR |
| |
| |
| Local<Message> Exception::CreateMessage(Handle<Value> exception) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(*exception); |
| if (!obj->IsHeapObject()) return Local<Message>(); |
| i::Isolate* isolate = i::HeapObject::cast(*obj)->GetIsolate(); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| return Utils::MessageToLocal( |
| scope.CloseAndEscape(isolate->CreateMessage(obj, NULL))); |
| } |
| |
| |
| Local<StackTrace> Exception::GetStackTrace(Handle<Value> exception) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(*exception); |
| if (!obj->IsJSObject()) return Local<StackTrace>(); |
| i::Handle<i::JSObject> js_obj = i::Handle<i::JSObject>::cast(obj); |
| i::Isolate* isolate = js_obj->GetIsolate(); |
| ENTER_V8(isolate); |
| return Utils::StackTraceToLocal(isolate->GetDetailedStackTrace(js_obj)); |
| } |
| |
| |
| // --- D e b u g S u p p o r t --- |
| |
| bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener()", return false); |
| ENTER_V8(isolate); |
| i::HandleScope scope(isolate); |
| i::Handle<i::Object> foreign = isolate->factory()->undefined_value(); |
| if (that != NULL) { |
| foreign = isolate->factory()->NewForeign(FUNCTION_ADDR(that)); |
| } |
| isolate->debug()->SetEventListener(foreign, |
| Utils::OpenHandle(*data, true)); |
| return true; |
| } |
| |
| |
| void Debug::DebugBreak(Isolate* isolate) { |
| reinterpret_cast<i::Isolate*>(isolate)->stack_guard()->RequestDebugBreak(); |
| } |
| |
| |
| void Debug::CancelDebugBreak(Isolate* isolate) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| internal_isolate->stack_guard()->ClearDebugBreak(); |
| } |
| |
| |
| bool Debug::CheckDebugBreak(Isolate* isolate) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| return internal_isolate->stack_guard()->CheckDebugBreak(); |
| } |
| |
| |
| void Debug::DebugBreakForCommand(Isolate* isolate, ClientData* data) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| internal_isolate->debug()->EnqueueDebugCommand(data); |
| } |
| |
| |
| void Debug::SetMessageHandler(v8::Debug::MessageHandler handler) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| ENTER_V8(isolate); |
| isolate->debug()->SetMessageHandler(handler); |
| } |
| |
| |
| void Debug::SendCommand(Isolate* isolate, |
| const uint16_t* command, |
| int length, |
| ClientData* client_data) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| internal_isolate->debug()->EnqueueCommandMessage( |
| i::Vector<const uint16_t>(command, length), client_data); |
| } |
| |
| |
| Local<Value> Debug::Call(v8::Handle<v8::Function> fun, |
| v8::Handle<v8::Value> data) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| ON_BAILOUT(isolate, "v8::Debug::Call()", return Local<Value>()); |
| ENTER_V8(isolate); |
| i::MaybeHandle<i::Object> maybe_result; |
| EXCEPTION_PREAMBLE(isolate); |
| if (data.IsEmpty()) { |
| maybe_result = isolate->debug()->Call( |
| Utils::OpenHandle(*fun), isolate->factory()->undefined_value()); |
| } else { |
| maybe_result = isolate->debug()->Call( |
| Utils::OpenHandle(*fun), Utils::OpenHandle(*data)); |
| } |
| i::Handle<i::Object> result; |
| has_pending_exception = !maybe_result.ToHandle(&result); |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); |
| return Utils::ToLocal(result); |
| } |
| |
| |
| Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) { |
| i::Isolate* isolate = i::Isolate::Current(); |
| ON_BAILOUT(isolate, "v8::Debug::GetMirror()", return Local<Value>()); |
| ENTER_V8(isolate); |
| v8::EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
| i::Debug* isolate_debug = isolate->debug(); |
| EXCEPTION_PREAMBLE(isolate); |
| has_pending_exception = !isolate_debug->Load(); |
| v8::Local<v8::Value> result; |
| if (!has_pending_exception) { |
| i::Handle<i::JSObject> debug( |
| isolate_debug->debug_context()->global_object()); |
| i::Handle<i::String> name = isolate->factory()->InternalizeOneByteString( |
| STATIC_CHAR_VECTOR("MakeMirror")); |
| i::Handle<i::Object> fun_obj = |
| i::Object::GetProperty(debug, name).ToHandleChecked(); |
| 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 }; |
| result = v8_fun->Call(Utils::ToLocal(debug), kArgc, argv); |
| has_pending_exception = result.IsEmpty(); |
| } |
| EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); |
| return scope.Escape(result); |
| } |
| |
| |
| void Debug::ProcessDebugMessages() { |
| i::Isolate::Current()->debug()->ProcessDebugMessages(true); |
| } |
| |
| |
| Local<Context> Debug::GetDebugContext() { |
| i::Isolate* isolate = i::Isolate::Current(); |
| ENTER_V8(isolate); |
| return Utils::ToLocal(i::Isolate::Current()->debug()->GetDebugContext()); |
| } |
| |
| |
| void Debug::SetLiveEditEnabled(Isolate* isolate, bool enable) { |
| i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| internal_isolate->debug()->set_live_edit_enabled(enable); |
| } |
| |
| |
| Handle<String> CpuProfileNode::GetFunctionName() const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| const i::CodeEntry* entry = node->entry(); |
| i::Handle<i::String> name = |
| isolate->factory()->InternalizeUtf8String(entry->name()); |
| if (!entry->has_name_prefix()) { |
| return ToApiHandle<String>(name); |
| } else { |
| // We do not expect this to fail. Change this if it does. |
| i::Handle<i::String> cons = isolate->factory()->NewConsString( |
| isolate->factory()->InternalizeUtf8String(entry->name_prefix()), |
| name).ToHandleChecked(); |
| return ToApiHandle<String>(cons); |
| } |
| } |
| |
| |
| int CpuProfileNode::GetScriptId() const { |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| const i::CodeEntry* entry = node->entry(); |
| return entry->script_id(); |
| } |
| |
| |
| Handle<String> CpuProfileNode::GetScriptResourceName() const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| return ToApiHandle<String>(isolate->factory()->InternalizeUtf8String( |
| node->entry()->resource_name())); |
| } |
| |
| |
| int CpuProfileNode::GetLineNumber() const { |
| return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number(); |
| } |
| |
| |
| int CpuProfileNode::GetColumnNumber() const { |
| return reinterpret_cast<const i::ProfileNode*>(this)-> |
| entry()->column_number(); |
| } |
| |
| |
| unsigned int CpuProfileNode::GetHitLineCount() const { |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| return node->GetHitLineCount(); |
| } |
| |
| |
| bool CpuProfileNode::GetLineTicks(LineTick* entries, |
| unsigned int length) const { |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| return node->GetLineTicks(entries, length); |
| } |
| |
| |
| const char* CpuProfileNode::GetBailoutReason() const { |
| const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this); |
| return node->entry()->bailout_reason(); |
| } |
| |
| |
| unsigned CpuProfileNode::GetHitCount() const { |
| return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks(); |
| } |
| |
| |
| unsigned CpuProfileNode::GetCallUid() const { |
| return reinterpret_cast<const i::ProfileNode*>(this)->entry()->GetCallUid(); |
| } |
| |
| |
| unsigned CpuProfileNode::GetNodeId() const { |
| return reinterpret_cast<const i::ProfileNode*>(this)->id(); |
| } |
| |
| |
| int CpuProfileNode::GetChildrenCount() const { |
| return reinterpret_cast<const i::ProfileNode*>(this)->children()->length(); |
| } |
| |
| |
| const CpuProfileNode* CpuProfileNode::GetChild(int index) const { |
| const i::ProfileNode* child = |
| reinterpret_cast<const i::ProfileNode*>(this)->children()->at(index); |
| return reinterpret_cast<const CpuProfileNode*>(child); |
| } |
| |
| |
| void CpuProfile::Delete() { |
| i::Isolate* isolate = i::Isolate::Current(); |
| i::CpuProfiler* profiler = isolate->cpu_profiler(); |
| DCHECK(profiler != NULL); |
| profiler->DeleteProfile(reinterpret_cast<i::CpuProfile*>(this)); |
| } |
| |
| |
| Handle<String> CpuProfile::GetTitle() const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return ToApiHandle<String>(isolate->factory()->InternalizeUtf8String( |
| profile->title())); |
| } |
| |
| |
| const CpuProfileNode* CpuProfile::GetTopDownRoot() const { |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return reinterpret_cast<const CpuProfileNode*>(profile->top_down()->root()); |
| } |
| |
| |
| const CpuProfileNode* CpuProfile::GetSample(int index) const { |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return reinterpret_cast<const CpuProfileNode*>(profile->sample(index)); |
| } |
| |
| |
| int64_t CpuProfile::GetSampleTimestamp(int index) const { |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return (profile->sample_timestamp(index) - base::TimeTicks()) |
| .InMicroseconds(); |
| } |
| |
| |
| int64_t CpuProfile::GetStartTime() const { |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return (profile->start_time() - base::TimeTicks()).InMicroseconds(); |
| } |
| |
| |
| int64_t CpuProfile::GetEndTime() const { |
| const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this); |
| return (profile->end_time() - base::TimeTicks()).InMicroseconds(); |
| } |
| |
| |
| int CpuProfile::GetSamplesCount() const { |
| return reinterpret_cast<const i::CpuProfile*>(this)->samples_count(); |
| } |
| |
| |
| void CpuProfiler::SetSamplingInterval(int us) { |
| DCHECK(us >= 0); |
| return reinterpret_cast<i::CpuProfiler*>(this)->set_sampling_interval( |
| base::TimeDelta::FromMicroseconds(us)); |
| } |
| |
| |
| void CpuProfiler::StartProfiling(Handle<String> title, bool record_samples) { |
| reinterpret_cast<i::CpuProfiler*>(this)->StartProfiling( |
| *Utils::OpenHandle(*title), record_samples); |
| } |
| |
| |
| void CpuProfiler::StartCpuProfiling(Handle<String> title, bool record_samples) { |
| StartProfiling(title, record_samples); |
| } |
| |
| |
| CpuProfile* CpuProfiler::StopProfiling(Handle<String> title) { |
| return reinterpret_cast<CpuProfile*>( |
| reinterpret_cast<i::CpuProfiler*>(this)->StopProfiling( |
| *Utils::OpenHandle(*title))); |
| } |
| |
| |
| const CpuProfile* CpuProfiler::StopCpuProfiling(Handle<String> title) { |
| return StopProfiling(title); |
| } |
| |
| |
| void CpuProfiler::SetIdle(bool is_idle) { |
| i::Isolate* isolate = reinterpret_cast<i::CpuProfiler*>(this)->isolate(); |
| v8::StateTag state = isolate->current_vm_state(); |
| DCHECK(state == v8::EXTERNAL || state == v8::IDLE); |
| if (isolate->js_entry_sp() != NULL) return; |
| if (is_idle) { |
| isolate->set_current_vm_state(v8::IDLE); |
| } else if (state == v8::IDLE) { |
| isolate->set_current_vm_state(v8::EXTERNAL); |
| } |
| } |
| |
| |
| static i::HeapGraphEdge* ToInternal(const HeapGraphEdge* edge) { |
| return const_cast<i::HeapGraphEdge*>( |
| reinterpret_cast<const i::HeapGraphEdge*>(edge)); |
| } |
| |
| |
| HeapGraphEdge::Type HeapGraphEdge::GetType() const { |
| return static_cast<HeapGraphEdge::Type>(ToInternal(this)->type()); |
| } |
| |
| |
| Handle<Value> HeapGraphEdge::GetName() const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| i::HeapGraphEdge* edge = ToInternal(this); |
| switch (edge->type()) { |
| case i::HeapGraphEdge::kContextVariable: |
| case i::HeapGraphEdge::kInternal: |
| case i::HeapGraphEdge::kProperty: |
| case i::HeapGraphEdge::kShortcut: |
| case i::HeapGraphEdge::kWeak: |
| return ToApiHandle<String>( |
| isolate->factory()->InternalizeUtf8String(edge->name())); |
| case i::HeapGraphEdge::kElement: |
| case i::HeapGraphEdge::kHidden: |
| return ToApiHandle<Number>( |
| isolate->factory()->NewNumberFromInt(edge->index())); |
| default: UNREACHABLE(); |
| } |
| return v8::Undefined(reinterpret_cast<v8::Isolate*>(isolate)); |
| } |
| |
| |
| const HeapGraphNode* HeapGraphEdge::GetFromNode() const { |
| const i::HeapEntry* from = ToInternal(this)->from(); |
| return reinterpret_cast<const HeapGraphNode*>(from); |
| } |
| |
| |
| const HeapGraphNode* HeapGraphEdge::GetToNode() const { |
| const i::HeapEntry* to = ToInternal(this)->to(); |
| return reinterpret_cast<const HeapGraphNode*>(to); |
| } |
| |
| |
| static i::HeapEntry* ToInternal(const HeapGraphNode* entry) { |
| return const_cast<i::HeapEntry*>( |
| reinterpret_cast<const i::HeapEntry*>(entry)); |
| } |
| |
| |
| HeapGraphNode::Type HeapGraphNode::GetType() const { |
| return static_cast<HeapGraphNode::Type>(ToInternal(this)->type()); |
| } |
| |
| |
| Handle<String> HeapGraphNode::GetName() const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| return ToApiHandle<String>( |
| isolate->factory()->InternalizeUtf8String(ToInternal(this)->name())); |
| } |
| |
| |
| SnapshotObjectId HeapGraphNode::GetId() const { |
| return ToInternal(this)->id(); |
| } |
| |
| |
| int HeapGraphNode::GetSelfSize() const { |
| size_t size = ToInternal(this)->self_size(); |
| CHECK(size <= static_cast<size_t>(internal::kMaxInt)); |
| return static_cast<int>(size); |
| } |
| |
| |
| size_t HeapGraphNode::GetShallowSize() const { |
| return ToInternal(this)->self_size(); |
| } |
| |
| |
| int HeapGraphNode::GetChildrenCount() const { |
| return ToInternal(this)->children().length(); |
| } |
| |
| |
| const HeapGraphEdge* HeapGraphNode::GetChild(int index) const { |
| return reinterpret_cast<const HeapGraphEdge*>( |
| ToInternal(this)->children()[index]); |
| } |
| |
| |
| static i::HeapSnapshot* ToInternal(const HeapSnapshot* snapshot) { |
| return const_cast<i::HeapSnapshot*>( |
| reinterpret_cast<const i::HeapSnapshot*>(snapshot)); |
| } |
| |
| |
| void HeapSnapshot::Delete() { |
| i::Isolate* isolate = i::Isolate::Current(); |
| if (isolate->heap_profiler()->GetSnapshotsCount() > 1) { |
| ToInternal(this)->Delete(); |
| } else { |
| // If this is the last snapshot, clean up all accessory data as well. |
| isolate->heap_profiler()->DeleteAllSnapshots(); |
| } |
| } |
| |
| |
| unsigned HeapSnapshot::GetUid() const { |
| return ToInternal(this)->uid(); |
| } |
| |
| |
| Handle<String> HeapSnapshot::GetTitle() const { |
| i::Isolate* isolate = i::Isolate::Current(); |
| return ToApiHandle<String>( |
| isolate->factory()->InternalizeUtf8String(ToInternal(this)->title())); |
| } |
| |
| |
| const HeapGraphNode* HeapSnapshot::GetRoot() const { |
| return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->root()); |
| } |
| |
| |
| const HeapGraphNode* HeapSnapshot::GetNodeById(SnapshotObjectId id) const { |
| return reinterpret_cast<const HeapGraphNode*>( |
| ToInternal(this)->GetEntryById(id)); |
| } |
| |
| |
| int HeapSnapshot::GetNodesCount() const { |
| return ToInternal(this)->entries().length(); |
| } |
| |
| |
| const HeapGraphNode* HeapSnapshot::GetNode(int index) const { |
| return reinterpret_cast<const HeapGraphNode*>( |
| &ToInternal(this)->entries().at(index)); |
| } |
| |
| |
| SnapshotObjectId HeapSnapshot::GetMaxSnapshotJSObjectId() const { |
| return ToInternal(this)->max_snapshot_js_object_id(); |
| } |
| |
| |
| void HeapSnapshot::Serialize(OutputStream* stream, |
| HeapSnapshot::SerializationFormat format) const { |
| Utils::ApiCheck(format == kJSON, |
| "v8::HeapSnapshot::Serialize", |
| "Unknown serialization format"); |
| Utils::ApiCheck(stream->GetChunkSize() > 0, |
| "v8::HeapSnapshot::Serialize", |
| "Invalid stream chunk size"); |
| i::HeapSnapshotJSONSerializer serializer(ToInternal(this)); |
| serializer.Serialize(stream); |
| } |
| |
| |
| int HeapProfiler::GetSnapshotCount() { |
| return reinterpret_cast<i::HeapProfiler*>(this)->GetSnapshotsCount(); |
| } |
| |
| |
| const HeapSnapshot* HeapProfiler::GetHeapSnapshot(int index) { |
| return reinterpret_cast<const HeapSnapshot*>( |
| reinterpret_cast<i::HeapProfiler*>(this)->GetSnapshot(index)); |
| } |
| |
| |
| SnapshotObjectId HeapProfiler::GetObjectId(Handle<Value> value) { |
| i::Handle<i::Object> obj = Utils::OpenHandle(*value); |
| return reinterpret_cast<i::HeapProfiler*>(this)->GetSnapshotObjectId(obj); |
| } |
| |
| |
| Handle<Value> HeapProfiler::FindObjectById(SnapshotObjectId id) { |
| i::Handle<i::Object> obj = |
| reinterpret_cast<i::HeapProfiler*>(this)->FindHeapObjectById(id); |
| if (obj.is_null()) return Local<Value>(); |
| return Utils::ToLocal(obj); |
| } |
| |
| |
| void HeapProfiler::ClearObjectIds() { |
| reinterpret_cast<i::HeapProfiler*>(this)->ClearHeapObjectMap(); |
| } |
| |
| |
| const HeapSnapshot* HeapProfiler::TakeHeapSnapshot( |
| Handle<String> title, |
| ActivityControl* control, |
| ObjectNameResolver* resolver) { |
| return reinterpret_cast<const HeapSnapshot*>( |
| reinterpret_cast<i::HeapProfiler*>(this)->TakeSnapshot( |
| *Utils::OpenHandle(*title), control, resolver)); |
| } |
| |
| |
| void HeapProfiler::StartTrackingHeapObjects(bool track_allocations) { |
| reinterpret_cast<i::HeapProfiler*>(this)->StartHeapObjectsTracking( |
| track_allocations); |
| } |
| |
| |
| void HeapProfiler::StopTrackingHeapObjects() { |
| reinterpret_cast<i::HeapProfiler*>(this)->StopHeapObjectsTracking(); |
| } |
| |
| |
| SnapshotObjectId HeapProfiler::GetHeapStats(OutputStream* stream) { |
| return reinterpret_cast<i::HeapProfiler*>(this)->PushHeapObjectsStats(stream); |
| } |
| |
| |
| void HeapProfiler::DeleteAllHeapSnapshots() { |
| reinterpret_cast<i::HeapProfiler*>(this)->DeleteAllSnapshots(); |
| } |
| |
| |
| void HeapProfiler::SetWrapperClassInfoProvider(uint16_t class_id, |
| WrapperInfoCallback callback) { |
| reinterpret_cast<i::HeapProfiler*>(this)->DefineWrapperClass(class_id, |
| callback); |
| } |
| |
| |
| size_t HeapProfiler::GetProfilerMemorySize() { |
| return reinterpret_cast<i::HeapProfiler*>(this)-> |
| GetMemorySizeUsedByProfiler(); |
| } |
| |
| |
| void HeapProfiler::SetRetainedObjectInfo(UniqueId id, |
| RetainedObjectInfo* info) { |
| reinterpret_cast<i::HeapProfiler*>(this)->SetRetainedObjectInfo(id, info); |
| } |
| |
| |
| v8::Testing::StressType internal::Testing::stress_type_ = |
| v8::Testing::kStressTypeOpt; |
| |
| |
| void Testing::SetStressRunType(Testing::StressType type) { |
| internal::Testing::set_stress_type(type); |
| } |
| |
| |
| int Testing::GetStressRuns() { |
| if (internal::FLAG_stress_runs != 0) return internal::FLAG_stress_runs; |
| #ifdef DEBUG |
| // In debug mode the code runs much slower so stressing will only make two |
| // runs. |
| return 2; |
| #else |
| return 5; |
| #endif |
| } |
| |
| |
| static void SetFlagsFromString(const char* flags) { |
| V8::SetFlagsFromString(flags, i::StrLength(flags)); |
| } |
| |
| |
| void Testing::PrepareStressRun(int run) { |
| static const char* kLazyOptimizations = |
| "--prepare-always-opt " |
| "--max-inlined-source-size=999999 " |
| "--max-inlined-nodes=999999 " |
| "--max-inlined-nodes-cumulative=999999 " |
| "--noalways-opt"; |
| static const char* kForcedOptimizations = "--always-opt"; |
| |
| // If deoptimization stressed turn on frequent deoptimization. If no value |
| // is spefified through --deopt-every-n-times use a default default value. |
| static const char* kDeoptEvery13Times = "--deopt-every-n-times=13"; |
| if (internal::Testing::stress_type() == Testing::kStressTypeDeopt && |
| internal::FLAG_deopt_every_n_times == 0) { |
| SetFlagsFromString(kDeoptEvery13Times); |
| } |
| |
| #ifdef DEBUG |
| // As stressing in debug mode only make two runs skip the deopt stressing |
| // here. |
| if (run == GetStressRuns() - 1) { |
| SetFlagsFromString(kForcedOptimizations); |
| } else { |
| SetFlagsFromString(kLazyOptimizations); |
| } |
| #else |
| if (run == GetStressRuns() - 1) { |
| SetFlagsFromString(kForcedOptimizations); |
| } else if (run != GetStressRuns() - 2) { |
| SetFlagsFromString(kLazyOptimizations); |
| } |
| #endif |
| } |
| |
| |
| // TODO(svenpanne) Deprecate this. |
| void Testing::DeoptimizeAll() { |
| i::Isolate* isolate = i::Isolate::Current(); |
| i::HandleScope scope(isolate); |
| internal::Deoptimizer::DeoptimizeAll(isolate); |
| } |
| |
| |
| namespace internal { |
| |
| |
| void HandleScopeImplementer::FreeThreadResources() { |
| Free(); |
| } |
| |
| |
| char* HandleScopeImplementer::ArchiveThread(char* storage) { |
| HandleScopeData* current = isolate_->handle_scope_data(); |
| handle_scope_data_ = *current; |
| MemCopy(storage, this, sizeof(*this)); |
| |
| ResetAfterArchive(); |
| current->Initialize(); |
| |
| return storage + ArchiveSpacePerThread(); |
| } |
| |
| |
| int HandleScopeImplementer::ArchiveSpacePerThread() { |
| return sizeof(HandleScopeImplementer); |
| } |
| |
| |
| char* HandleScopeImplementer::RestoreThread(char* storage) { |
| MemCopy(this, storage, sizeof(*this)); |
| *isolate_->handle_scope_data() = handle_scope_data_; |
| return storage + ArchiveSpacePerThread(); |
| } |
| |
| |
| void HandleScopeImplementer::IterateThis(ObjectVisitor* v) { |
| #ifdef DEBUG |
| bool found_block_before_deferred = false; |
| #endif |
| // 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); |
| if (last_handle_before_deferred_block_ != NULL && |
| (last_handle_before_deferred_block_ <= &block[kHandleBlockSize]) && |
| (last_handle_before_deferred_block_ >= block)) { |
| v->VisitPointers(block, last_handle_before_deferred_block_); |
| DCHECK(!found_block_before_deferred); |
| #ifdef DEBUG |
| found_block_before_deferred = true; |
| #endif |
| } else { |
| v->VisitPointers(block, &block[kHandleBlockSize]); |
| } |
| } |
| |
| DCHECK(last_handle_before_deferred_block_ == NULL || |
| found_block_before_deferred); |
| |
| // Iterate over live handles in the last block (if any). |
| if (!blocks()->is_empty()) { |
| v->VisitPointers(blocks()->last(), handle_scope_data_.next); |
| } |
| |
| List<Context*>* context_lists[2] = { &saved_contexts_, &entered_contexts_}; |
| for (unsigned i = 0; i < arraysize(context_lists); i++) { |
| if (context_lists[i]->is_empty()) continue; |
| Object** start = reinterpret_cast<Object**>(&context_lists[i]->first()); |
| v->VisitPointers(start, start + context_lists[i]->length()); |
| } |
| } |
| |
| |
| void HandleScopeImplementer::Iterate(ObjectVisitor* v) { |
| HandleScopeData* current = isolate_->handle_scope_data(); |
| handle_scope_data_ = *current; |
| IterateThis(v); |
| } |
| |
| |
| char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) { |
| HandleScopeImplementer* scope_implementer = |
| reinterpret_cast<HandleScopeImplementer*>(storage); |
| scope_implementer->IterateThis(v); |
| return storage + ArchiveSpacePerThread(); |
| } |
| |
| |
| DeferredHandles* HandleScopeImplementer::Detach(Object** prev_limit) { |
| DeferredHandles* deferred = |
| new DeferredHandles(isolate()->handle_scope_data()->next, isolate()); |
| |
| while (!blocks_.is_empty()) { |
| Object** block_start = blocks_.last(); |
| Object** block_limit = &block_start[kHandleBlockSize]; |
| // We should not need to check for SealHandleScope here. Assert this. |
| DCHECK(prev_limit == block_limit || |
| !(block_start <= prev_limit && prev_limit <= block_limit)); |
| if (prev_limit == block_limit) break; |
| deferred->blocks_.Add(blocks_.last()); |
| blocks_.RemoveLast(); |
| } |
| |
| // deferred->blocks_ now contains the blocks installed on the |
| // HandleScope stack since BeginDeferredScope was called, but in |
| // reverse order. |
| |
| DCHECK(prev_limit == NULL || !blocks_.is_empty()); |
| |
| DCHECK(!blocks_.is_empty() && prev_limit != NULL); |
| DCHECK(last_handle_before_deferred_block_ != NULL); |
| last_handle_before_deferred_block_ = NULL; |
| return deferred; |
| } |
| |
| |
| void HandleScopeImplementer::BeginDeferredScope() { |
| DCHECK(last_handle_before_deferred_block_ == NULL); |
| last_handle_before_deferred_block_ = isolate()->handle_scope_data()->next; |
| } |
| |
| |
| DeferredHandles::~DeferredHandles() { |
| isolate_->UnlinkDeferredHandles(this); |
| |
| for (int i = 0; i < blocks_.length(); i++) { |
| #ifdef ENABLE_HANDLE_ZAPPING |
| HandleScope::ZapRange(blocks_[i], &blocks_[i][kHandleBlockSize]); |
| #endif |
| isolate_->handle_scope_implementer()->ReturnBlock(blocks_[i]); |
| } |
| } |
| |
| |
| void DeferredHandles::Iterate(ObjectVisitor* v) { |
| DCHECK(!blocks_.is_empty()); |
| |
| DCHECK((first_block_limit_ >= blocks_.first()) && |
| (first_block_limit_ <= &(blocks_.first())[kHandleBlockSize])); |
| |
| v->VisitPointers(blocks_.first(), first_block_limit_); |
| |
| for (int i = 1; i < blocks_.length(); i++) { |
| v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]); |
| } |
| } |
| |
| |
| void InvokeAccessorGetterCallback( |
| v8::Local<v8::Name> property, |
| const v8::PropertyCallbackInfo<v8::Value>& info, |
| v8::AccessorNameGetterCallback getter) { |
| // Leaving JavaScript. |
| Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate()); |
| Address getter_address = reinterpret_cast<Address>(reinterpret_cast<intptr_t>( |
| getter)); |
| VMState<EXTERNAL> state(isolate); |
| ExternalCallbackScope call_scope(isolate, getter_address); |
| getter(property, info); |
| } |
| |
| |
| void InvokeFunctionCallback(const v8::FunctionCallbackInfo<v8::Value>& info, |
| v8::FunctionCallback callback) { |
| Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate()); |
| Address callback_address = |
| reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback)); |
| VMState<EXTERNAL> state(isolate); |
| ExternalCallbackScope call_scope(isolate, callback_address); |
| callback(info); |
| } |
| |
| |
| } } // namespace v8::internal |