1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include "arguments.h"
33 #include "bootstrapper.h"
36 #include "deoptimizer.h"
37 #include "execution.h"
39 #include "global-handles.h"
40 #include "heap-profiler.h"
45 #include "profile-generator-inl.h"
46 #include "runtime-profiler.h"
47 #include "scanner-character-streams.h"
48 #include "serialize.h"
50 #include "v8threads.h"
52 #include "vm-state-inl.h"
54 #include "../include/v8-profiler.h"
55 #include "../include/v8-testing.h"
57 #define LOG_API(isolate, expr) LOG(isolate, ApiEntryCall(expr))
59 #define ENTER_V8(isolate) \
60 ASSERT((isolate)->IsInitialized()); \
61 i::VMState __state__((isolate), i::OTHER)
62 #define LEAVE_V8(isolate) \
63 i::VMState __state__((isolate), i::EXTERNAL)
67 #define ON_BAILOUT(isolate, location, code) \
68 if (IsDeadCheck(isolate, location) || \
69 IsExecutionTerminatingCheck(isolate)) { \
75 #define EXCEPTION_PREAMBLE(isolate) \
76 (isolate)->handle_scope_implementer()->IncrementCallDepth(); \
77 ASSERT(!(isolate)->external_caught_exception()); \
78 bool has_pending_exception = false
81 #define EXCEPTION_BAILOUT_CHECK(isolate, value) \
83 i::HandleScopeImplementer* handle_scope_implementer = \
84 (isolate)->handle_scope_implementer(); \
85 handle_scope_implementer->DecrementCallDepth(); \
86 if (has_pending_exception) { \
87 if (handle_scope_implementer->CallDepthIsZero() && \
88 (isolate)->is_out_of_memory()) { \
89 if (!(isolate)->ignore_out_of_memory()) \
90 i::V8::FatalProcessOutOfMemory(NULL); \
92 bool call_depth_is_zero = handle_scope_implementer->CallDepthIsZero(); \
93 (isolate)->OptionalRescheduleException(call_depth_is_zero); \
99 #define API_ENTRY_CHECK(isolate, msg) \
101 if (v8::Locker::IsActive()) { \
102 ApiCheck(isolate->thread_manager()->IsLockedByCurrentThread(), \
104 "Entering the V8 API without proper locking in place"); \
109 // --- E x c e p t i o n B e h a v i o r ---
112 static void DefaultFatalErrorHandler(const char* location,
113 const char* message) {
114 i::VMState __state__(i::Isolate::Current(), i::OTHER);
115 API_Fatal(location, message);
119 static FatalErrorCallback GetFatalErrorHandler() {
120 i::Isolate* isolate = i::Isolate::Current();
121 if (isolate->exception_behavior() == NULL) {
122 isolate->set_exception_behavior(DefaultFatalErrorHandler);
124 return isolate->exception_behavior();
128 void i::FatalProcessOutOfMemory(const char* location) {
129 i::V8::FatalProcessOutOfMemory(location, false);
133 // When V8 cannot allocated memory FatalProcessOutOfMemory is called.
134 // The default fatal error handler is called and execution is stopped.
135 void i::V8::FatalProcessOutOfMemory(const char* location, bool take_snapshot) {
136 i::HeapStats heap_stats;
138 heap_stats.start_marker = &start_marker;
140 heap_stats.new_space_size = &new_space_size;
141 int new_space_capacity;
142 heap_stats.new_space_capacity = &new_space_capacity;
143 intptr_t old_pointer_space_size;
144 heap_stats.old_pointer_space_size = &old_pointer_space_size;
145 intptr_t old_pointer_space_capacity;
146 heap_stats.old_pointer_space_capacity = &old_pointer_space_capacity;
147 intptr_t old_data_space_size;
148 heap_stats.old_data_space_size = &old_data_space_size;
149 intptr_t old_data_space_capacity;
150 heap_stats.old_data_space_capacity = &old_data_space_capacity;
151 intptr_t code_space_size;
152 heap_stats.code_space_size = &code_space_size;
153 intptr_t code_space_capacity;
154 heap_stats.code_space_capacity = &code_space_capacity;
155 intptr_t map_space_size;
156 heap_stats.map_space_size = &map_space_size;
157 intptr_t map_space_capacity;
158 heap_stats.map_space_capacity = &map_space_capacity;
159 intptr_t cell_space_size;
160 heap_stats.cell_space_size = &cell_space_size;
161 intptr_t cell_space_capacity;
162 heap_stats.cell_space_capacity = &cell_space_capacity;
163 intptr_t lo_space_size;
164 heap_stats.lo_space_size = &lo_space_size;
165 int global_handle_count;
166 heap_stats.global_handle_count = &global_handle_count;
167 int weak_global_handle_count;
168 heap_stats.weak_global_handle_count = &weak_global_handle_count;
169 int pending_global_handle_count;
170 heap_stats.pending_global_handle_count = &pending_global_handle_count;
171 int near_death_global_handle_count;
172 heap_stats.near_death_global_handle_count = &near_death_global_handle_count;
173 int free_global_handle_count;
174 heap_stats.free_global_handle_count = &free_global_handle_count;
175 intptr_t memory_allocator_size;
176 heap_stats.memory_allocator_size = &memory_allocator_size;
177 intptr_t memory_allocator_capacity;
178 heap_stats.memory_allocator_capacity = &memory_allocator_capacity;
179 int objects_per_type[LAST_TYPE + 1] = {0};
180 heap_stats.objects_per_type = objects_per_type;
181 int size_per_type[LAST_TYPE + 1] = {0};
182 heap_stats.size_per_type = size_per_type;
184 heap_stats.os_error = &os_error;
186 heap_stats.end_marker = &end_marker;
187 i::Isolate* isolate = i::Isolate::Current();
189 // Don't use the take_snapshot since we don't support HeapIterator here
190 // without doing a special GC.
191 isolate->heap()->RecordStats(&heap_stats, false);
192 i::V8::SetFatalError();
193 FatalErrorCallback callback = GetFatalErrorHandler();
196 callback(location, "Allocation failed - process out of memory");
198 // If the callback returns, we stop execution.
203 bool Utils::ReportApiFailure(const char* location, const char* message) {
204 FatalErrorCallback callback = GetFatalErrorHandler();
205 callback(location, message);
206 i::V8::SetFatalError();
212 return i::V8::IsDead();
216 static inline bool ApiCheck(bool condition,
217 const char* location,
218 const char* message) {
219 return condition ? true : Utils::ReportApiFailure(location, message);
223 static bool ReportV8Dead(const char* location) {
224 FatalErrorCallback callback = GetFatalErrorHandler();
225 callback(location, "V8 is no longer usable");
230 static bool ReportEmptyHandle(const char* location) {
231 FatalErrorCallback callback = GetFatalErrorHandler();
232 callback(location, "Reading from empty handle");
238 * IsDeadCheck checks that the vm is usable. If, for instance, the vm has been
239 * out of memory at some point this check will fail. It should be called on
240 * entry to all methods that touch anything in the heap, except destructors
241 * which you sometimes can't avoid calling after the vm has crashed. Functions
242 * that call EnsureInitialized or ON_BAILOUT don't have to also call
243 * IsDeadCheck. ON_BAILOUT has the advantage over EnsureInitialized that you
244 * can arrange to return if the VM is dead. This is needed to ensure that no VM
245 * heap allocations are attempted on a dead VM. EnsureInitialized has the
246 * advantage over ON_BAILOUT that it actually initializes the VM if this has not
249 static inline bool IsDeadCheck(i::Isolate* isolate, const char* location) {
250 return !isolate->IsInitialized()
251 && i::V8::IsDead() ? ReportV8Dead(location) : false;
255 static inline bool IsExecutionTerminatingCheck(i::Isolate* isolate) {
256 if (!isolate->IsInitialized()) return false;
257 if (isolate->has_scheduled_exception()) {
258 return isolate->scheduled_exception() ==
259 isolate->heap()->termination_exception();
265 static inline bool EmptyCheck(const char* location, v8::Handle<v8::Data> obj) {
266 return obj.IsEmpty() ? ReportEmptyHandle(location) : false;
270 static inline bool EmptyCheck(const char* location, const v8::Data* obj) {
271 return (obj == 0) ? ReportEmptyHandle(location) : false;
274 // --- S t a t i c s ---
277 static bool InitializeHelper() {
278 if (i::Snapshot::Initialize()) return true;
279 return i::V8::Initialize(NULL);
283 static inline bool EnsureInitializedForIsolate(i::Isolate* isolate,
284 const char* location) {
285 if (IsDeadCheck(isolate, location)) return false;
286 if (isolate != NULL) {
287 if (isolate->IsInitialized()) return true;
289 ASSERT(isolate == i::Isolate::Current());
290 return ApiCheck(InitializeHelper(), location, "Error initializing V8");
293 // Some initializing API functions are called early and may be
294 // called on a thread different from static initializer thread.
295 // If Isolate API is used, Isolate::Enter() will initialize TLS so
296 // Isolate::Current() works. If it's a legacy case, then the thread
297 // may not have TLS initialized yet. However, in initializing APIs it
298 // may be too early to call EnsureInitialized() - some pre-init
299 // parameters still have to be configured.
300 static inline i::Isolate* EnterIsolateIfNeeded() {
301 i::Isolate* isolate = i::Isolate::UncheckedCurrent();
305 i::Isolate::EnterDefaultIsolate();
306 isolate = i::Isolate::Current();
311 StartupDataDecompressor::StartupDataDecompressor()
312 : raw_data(i::NewArray<char*>(V8::GetCompressedStartupDataCount())) {
313 for (int i = 0; i < V8::GetCompressedStartupDataCount(); ++i) {
319 StartupDataDecompressor::~StartupDataDecompressor() {
320 for (int i = 0; i < V8::GetCompressedStartupDataCount(); ++i) {
321 i::DeleteArray(raw_data[i]);
323 i::DeleteArray(raw_data);
327 int StartupDataDecompressor::Decompress() {
328 int compressed_data_count = V8::GetCompressedStartupDataCount();
329 StartupData* compressed_data =
330 i::NewArray<StartupData>(compressed_data_count);
331 V8::GetCompressedStartupData(compressed_data);
332 for (int i = 0; i < compressed_data_count; ++i) {
333 char* decompressed = raw_data[i] =
334 i::NewArray<char>(compressed_data[i].raw_size);
335 if (compressed_data[i].compressed_size != 0) {
336 int result = DecompressData(decompressed,
337 &compressed_data[i].raw_size,
338 compressed_data[i].data,
339 compressed_data[i].compressed_size);
340 if (result != 0) return result;
342 ASSERT_EQ(0, compressed_data[i].raw_size);
344 compressed_data[i].data = decompressed;
346 V8::SetDecompressedStartupData(compressed_data);
351 StartupData::CompressionAlgorithm V8::GetCompressedStartupDataAlgorithm() {
352 #ifdef COMPRESS_STARTUP_DATA_BZ2
353 return StartupData::kBZip2;
355 return StartupData::kUncompressed;
360 enum CompressedStartupDataItems {
364 kExperimentalLibraries,
365 kCompressedStartupDataCount
368 int V8::GetCompressedStartupDataCount() {
369 #ifdef COMPRESS_STARTUP_DATA_BZ2
370 return kCompressedStartupDataCount;
377 void V8::GetCompressedStartupData(StartupData* compressed_data) {
378 #ifdef COMPRESS_STARTUP_DATA_BZ2
379 compressed_data[kSnapshot].data =
380 reinterpret_cast<const char*>(i::Snapshot::data());
381 compressed_data[kSnapshot].compressed_size = i::Snapshot::size();
382 compressed_data[kSnapshot].raw_size = i::Snapshot::raw_size();
384 compressed_data[kSnapshotContext].data =
385 reinterpret_cast<const char*>(i::Snapshot::context_data());
386 compressed_data[kSnapshotContext].compressed_size =
387 i::Snapshot::context_size();
388 compressed_data[kSnapshotContext].raw_size = i::Snapshot::context_raw_size();
390 i::Vector<const i::byte> libraries_source = i::Natives::GetScriptsSource();
391 compressed_data[kLibraries].data =
392 reinterpret_cast<const char*>(libraries_source.start());
393 compressed_data[kLibraries].compressed_size = libraries_source.length();
394 compressed_data[kLibraries].raw_size = i::Natives::GetRawScriptsSize();
396 i::Vector<const i::byte> exp_libraries_source =
397 i::ExperimentalNatives::GetScriptsSource();
398 compressed_data[kExperimentalLibraries].data =
399 reinterpret_cast<const char*>(exp_libraries_source.start());
400 compressed_data[kExperimentalLibraries].compressed_size =
401 exp_libraries_source.length();
402 compressed_data[kExperimentalLibraries].raw_size =
403 i::ExperimentalNatives::GetRawScriptsSize();
408 void V8::SetDecompressedStartupData(StartupData* decompressed_data) {
409 #ifdef COMPRESS_STARTUP_DATA_BZ2
410 ASSERT_EQ(i::Snapshot::raw_size(), decompressed_data[kSnapshot].raw_size);
411 i::Snapshot::set_raw_data(
412 reinterpret_cast<const i::byte*>(decompressed_data[kSnapshot].data));
414 ASSERT_EQ(i::Snapshot::context_raw_size(),
415 decompressed_data[kSnapshotContext].raw_size);
416 i::Snapshot::set_context_raw_data(
417 reinterpret_cast<const i::byte*>(
418 decompressed_data[kSnapshotContext].data));
420 ASSERT_EQ(i::Natives::GetRawScriptsSize(),
421 decompressed_data[kLibraries].raw_size);
422 i::Vector<const char> libraries_source(
423 decompressed_data[kLibraries].data,
424 decompressed_data[kLibraries].raw_size);
425 i::Natives::SetRawScriptsSource(libraries_source);
427 ASSERT_EQ(i::ExperimentalNatives::GetRawScriptsSize(),
428 decompressed_data[kExperimentalLibraries].raw_size);
429 i::Vector<const char> exp_libraries_source(
430 decompressed_data[kExperimentalLibraries].data,
431 decompressed_data[kExperimentalLibraries].raw_size);
432 i::ExperimentalNatives::SetRawScriptsSource(exp_libraries_source);
437 void V8::SetFatalErrorHandler(FatalErrorCallback that) {
438 i::Isolate* isolate = EnterIsolateIfNeeded();
439 isolate->set_exception_behavior(that);
443 void V8::SetAllowCodeGenerationFromStringsCallback(
444 AllowCodeGenerationFromStringsCallback callback) {
445 i::Isolate* isolate = EnterIsolateIfNeeded();
446 isolate->set_allow_code_gen_callback(callback);
451 void ImplementationUtilities::ZapHandleRange(i::Object** begin,
453 i::HandleScope::ZapRange(begin, end);
458 void V8::SetFlagsFromString(const char* str, int length) {
459 i::FlagList::SetFlagsFromString(str, length);
463 void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) {
464 i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags);
468 v8::Handle<Value> ThrowException(v8::Handle<v8::Value> value) {
469 i::Isolate* isolate = i::Isolate::Current();
470 if (IsDeadCheck(isolate, "v8::ThrowException()")) {
471 return v8::Handle<Value>();
474 // If we're passed an empty handle, we throw an undefined exception
475 // to deal more gracefully with out of memory situations.
476 if (value.IsEmpty()) {
477 isolate->ScheduleThrow(isolate->heap()->undefined_value());
479 isolate->ScheduleThrow(*Utils::OpenHandle(*value));
481 return v8::Undefined();
485 RegisteredExtension* RegisteredExtension::first_extension_ = NULL;
488 RegisteredExtension::RegisteredExtension(Extension* extension)
489 : extension_(extension), state_(UNVISITED) { }
492 void RegisteredExtension::Register(RegisteredExtension* that) {
493 that->next_ = first_extension_;
494 first_extension_ = that;
498 void RegisterExtension(Extension* that) {
499 RegisteredExtension* extension = new RegisteredExtension(that);
500 RegisteredExtension::Register(extension);
504 Extension::Extension(const char* name,
510 source_length_(source_length >= 0 ?
511 source_length : (source ? strlen(source) : 0)),
512 source_(source, source_length_),
513 dep_count_(dep_count),
515 auto_enable_(false) { }
518 v8::Handle<Primitive> Undefined() {
519 i::Isolate* isolate = i::Isolate::Current();
520 if (!EnsureInitializedForIsolate(isolate, "v8::Undefined()")) {
521 return v8::Handle<v8::Primitive>();
523 return v8::Handle<Primitive>(ToApi<Primitive>(
524 isolate->factory()->undefined_value()));
528 v8::Handle<Primitive> Null() {
529 i::Isolate* isolate = i::Isolate::Current();
530 if (!EnsureInitializedForIsolate(isolate, "v8::Null()")) {
531 return v8::Handle<v8::Primitive>();
533 return v8::Handle<Primitive>(
534 ToApi<Primitive>(isolate->factory()->null_value()));
538 v8::Handle<Boolean> True() {
539 i::Isolate* isolate = i::Isolate::Current();
540 if (!EnsureInitializedForIsolate(isolate, "v8::True()")) {
541 return v8::Handle<Boolean>();
543 return v8::Handle<Boolean>(
544 ToApi<Boolean>(isolate->factory()->true_value()));
548 v8::Handle<Boolean> False() {
549 i::Isolate* isolate = i::Isolate::Current();
550 if (!EnsureInitializedForIsolate(isolate, "v8::False()")) {
551 return v8::Handle<Boolean>();
553 return v8::Handle<Boolean>(
554 ToApi<Boolean>(isolate->factory()->false_value()));
558 ResourceConstraints::ResourceConstraints()
559 : max_young_space_size_(0),
560 max_old_space_size_(0),
561 max_executable_size_(0),
562 stack_limit_(NULL) { }
565 bool SetResourceConstraints(ResourceConstraints* constraints) {
566 i::Isolate* isolate = EnterIsolateIfNeeded();
568 int young_space_size = constraints->max_young_space_size();
569 int old_gen_size = constraints->max_old_space_size();
570 int max_executable_size = constraints->max_executable_size();
571 if (young_space_size != 0 || old_gen_size != 0 || max_executable_size != 0) {
572 // After initialization it's too late to change Heap constraints.
573 ASSERT(!isolate->IsInitialized());
574 bool result = isolate->heap()->ConfigureHeap(young_space_size / 2,
576 max_executable_size);
577 if (!result) return false;
579 if (constraints->stack_limit() != NULL) {
580 uintptr_t limit = reinterpret_cast<uintptr_t>(constraints->stack_limit());
581 isolate->stack_guard()->SetStackLimit(limit);
587 i::Object** V8::GlobalizeReference(i::Object** obj) {
588 i::Isolate* isolate = i::Isolate::Current();
589 if (IsDeadCheck(isolate, "V8::Persistent::New")) return NULL;
590 LOG_API(isolate, "Persistent::New");
591 i::Handle<i::Object> result =
592 isolate->global_handles()->Create(*obj);
593 return result.location();
597 void V8::MakeWeak(i::Object** object, void* parameters,
598 WeakReferenceCallback callback) {
599 i::Isolate* isolate = i::Isolate::Current();
600 LOG_API(isolate, "MakeWeak");
601 isolate->global_handles()->MakeWeak(object, parameters,
606 void V8::ClearWeak(i::Object** obj) {
607 i::Isolate* isolate = i::Isolate::Current();
608 LOG_API(isolate, "ClearWeak");
609 isolate->global_handles()->ClearWeakness(obj);
613 void V8::MarkIndependent(i::Object** object) {
614 i::Isolate* isolate = i::Isolate::Current();
615 LOG_API(isolate, "MakeIndependent");
616 isolate->global_handles()->MarkIndependent(object);
620 bool V8::IsGlobalNearDeath(i::Object** obj) {
621 i::Isolate* isolate = i::Isolate::Current();
622 LOG_API(isolate, "IsGlobalNearDeath");
623 if (!isolate->IsInitialized()) return false;
624 return i::GlobalHandles::IsNearDeath(obj);
628 bool V8::IsGlobalWeak(i::Object** obj) {
629 i::Isolate* isolate = i::Isolate::Current();
630 LOG_API(isolate, "IsGlobalWeak");
631 if (!isolate->IsInitialized()) return false;
632 return i::GlobalHandles::IsWeak(obj);
636 void V8::DisposeGlobal(i::Object** obj) {
637 i::Isolate* isolate = i::Isolate::Current();
638 LOG_API(isolate, "DisposeGlobal");
639 if (!isolate->IsInitialized()) return;
640 isolate->global_handles()->Destroy(obj);
643 // --- H a n d l e s ---
646 HandleScope::HandleScope() {
647 i::Isolate* isolate = i::Isolate::Current();
648 API_ENTRY_CHECK(isolate, "HandleScope::HandleScope");
649 v8::ImplementationUtilities::HandleScopeData* current =
650 isolate->handle_scope_data();
652 prev_next_ = current->next;
653 prev_limit_ = current->limit;
659 HandleScope::~HandleScope() {
666 void HandleScope::Leave() {
667 ASSERT(isolate_ == i::Isolate::Current());
668 v8::ImplementationUtilities::HandleScopeData* current =
669 isolate_->handle_scope_data();
671 ASSERT(current->level >= 0);
672 current->next = prev_next_;
673 if (current->limit != prev_limit_) {
674 current->limit = prev_limit_;
675 i::HandleScope::DeleteExtensions(isolate_);
679 i::HandleScope::ZapRange(prev_next_, prev_limit_);
684 int HandleScope::NumberOfHandles() {
685 EnsureInitializedForIsolate(
686 i::Isolate::Current(), "HandleScope::NumberOfHandles");
687 return i::HandleScope::NumberOfHandles();
691 i::Object** HandleScope::CreateHandle(i::Object* value) {
692 return i::HandleScope::CreateHandle(value, i::Isolate::Current());
696 i::Object** HandleScope::CreateHandle(i::HeapObject* value) {
697 ASSERT(value->IsHeapObject());
698 return reinterpret_cast<i::Object**>(
699 i::HandleScope::CreateHandle(value, value->GetIsolate()));
703 void Context::Enter() {
704 i::Handle<i::Context> env = Utils::OpenHandle(this);
705 i::Isolate* isolate = env->GetIsolate();
706 if (IsDeadCheck(isolate, "v8::Context::Enter()")) return;
709 isolate->handle_scope_implementer()->EnterContext(env);
711 isolate->handle_scope_implementer()->SaveContext(isolate->context());
712 isolate->set_context(*env);
716 void Context::Exit() {
717 // Exit is essentially a static function and doesn't use the
718 // receiver, so we have to get the current isolate from the thread
720 i::Isolate* isolate = i::Isolate::Current();
721 if (!isolate->IsInitialized()) return;
723 if (!ApiCheck(isolate->handle_scope_implementer()->LeaveLastContext(),
724 "v8::Context::Exit()",
725 "Cannot exit non-entered context")) {
729 // Content of 'last_context' could be NULL.
730 i::Context* last_context =
731 isolate->handle_scope_implementer()->RestoreContext();
732 isolate->set_context(last_context);
736 void Context::SetData(v8::Handle<String> data) {
737 i::Handle<i::Context> env = Utils::OpenHandle(this);
738 i::Isolate* isolate = env->GetIsolate();
739 if (IsDeadCheck(isolate, "v8::Context::SetData()")) return;
740 i::Handle<i::Object> raw_data = Utils::OpenHandle(*data);
741 ASSERT(env->IsGlobalContext());
742 if (env->IsGlobalContext()) {
743 env->set_data(*raw_data);
748 v8::Local<v8::Value> Context::GetData() {
749 i::Handle<i::Context> env = Utils::OpenHandle(this);
750 i::Isolate* isolate = env->GetIsolate();
751 if (IsDeadCheck(isolate, "v8::Context::GetData()")) {
752 return v8::Local<Value>();
754 i::Object* raw_result = NULL;
755 ASSERT(env->IsGlobalContext());
756 if (env->IsGlobalContext()) {
757 raw_result = env->data();
759 return Local<Value>();
761 i::Handle<i::Object> result(raw_result, isolate);
762 return Utils::ToLocal(result);
766 i::Object** v8::HandleScope::RawClose(i::Object** value) {
767 if (!ApiCheck(!is_closed_,
768 "v8::HandleScope::Close()",
769 "Local scope has already been closed")) {
772 LOG_API(isolate_, "CloseHandleScope");
774 // Read the result before popping the handle block.
775 i::Object* result = NULL;
786 // Allocate a new handle on the previous handle block.
787 i::Handle<i::Object> handle(result);
788 return handle.location();
792 // --- N e a n d e r ---
795 // A constructor cannot easily return an error value, therefore it is necessary
796 // to check for a dead VM with ON_BAILOUT before constructing any Neander
797 // objects. To remind you about this there is no HandleScope in the
798 // NeanderObject constructor. When you add one to the site calling the
799 // constructor you should check that you ensured the VM was not dead first.
800 NeanderObject::NeanderObject(int size) {
801 i::Isolate* isolate = i::Isolate::Current();
802 EnsureInitializedForIsolate(isolate, "v8::Nowhere");
804 value_ = isolate->factory()->NewNeanderObject();
805 i::Handle<i::FixedArray> elements = isolate->factory()->NewFixedArray(size);
806 value_->set_elements(*elements);
810 int NeanderObject::size() {
811 return i::FixedArray::cast(value_->elements())->length();
815 NeanderArray::NeanderArray() : obj_(2) {
816 obj_.set(0, i::Smi::FromInt(0));
820 int NeanderArray::length() {
821 return i::Smi::cast(obj_.get(0))->value();
825 i::Object* NeanderArray::get(int offset) {
827 ASSERT(offset < length());
828 return obj_.get(offset + 1);
832 // This method cannot easily return an error value, therefore it is necessary
833 // to check for a dead VM with ON_BAILOUT before calling it. To remind you
834 // about this there is no HandleScope in this method. When you add one to the
835 // site calling this method you should check that you ensured the VM was not
837 void NeanderArray::add(i::Handle<i::Object> value) {
838 int length = this->length();
839 int size = obj_.size();
840 if (length == size - 1) {
841 i::Handle<i::FixedArray> new_elms = FACTORY->NewFixedArray(2 * size);
842 for (int i = 0; i < length; i++)
843 new_elms->set(i + 1, get(i));
844 obj_.value()->set_elements(*new_elms);
846 obj_.set(length + 1, *value);
847 obj_.set(0, i::Smi::FromInt(length + 1));
851 void NeanderArray::set(int index, i::Object* value) {
852 if (index < 0 || index >= this->length()) return;
853 obj_.set(index + 1, value);
857 // --- T e m p l a t e ---
860 static void InitializeTemplate(i::Handle<i::TemplateInfo> that, int type) {
861 that->set_tag(i::Smi::FromInt(type));
865 void Template::Set(v8::Handle<String> name, v8::Handle<Data> value,
866 v8::PropertyAttribute attribute) {
867 i::Isolate* isolate = i::Isolate::Current();
868 if (IsDeadCheck(isolate, "v8::Template::Set()")) return;
870 i::HandleScope scope(isolate);
871 i::Handle<i::Object> list(Utils::OpenHandle(this)->property_list());
872 if (list->IsUndefined()) {
873 list = NeanderArray().value();
874 Utils::OpenHandle(this)->set_property_list(*list);
876 NeanderArray array(list);
877 array.add(Utils::OpenHandle(*name));
878 array.add(Utils::OpenHandle(*value));
879 array.add(Utils::OpenHandle(*v8::Integer::New(attribute)));
883 // --- F u n c t i o n T e m p l a t e ---
884 static void InitializeFunctionTemplate(
885 i::Handle<i::FunctionTemplateInfo> info) {
886 info->set_tag(i::Smi::FromInt(Consts::FUNCTION_TEMPLATE));
891 Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() {
892 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
893 if (IsDeadCheck(isolate, "v8::FunctionTemplate::PrototypeTemplate()")) {
894 return Local<ObjectTemplate>();
897 i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template());
898 if (result->IsUndefined()) {
899 result = Utils::OpenHandle(*ObjectTemplate::New());
900 Utils::OpenHandle(this)->set_prototype_template(*result);
902 return Local<ObjectTemplate>(ToApi<ObjectTemplate>(result));
906 void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) {
907 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
908 if (IsDeadCheck(isolate, "v8::FunctionTemplate::Inherit()")) return;
910 Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value));
914 Local<FunctionTemplate> FunctionTemplate::New(InvocationCallback callback,
915 v8::Handle<Value> data, v8::Handle<Signature> signature) {
916 i::Isolate* isolate = i::Isolate::Current();
917 EnsureInitializedForIsolate(isolate, "v8::FunctionTemplate::New()");
918 LOG_API(isolate, "FunctionTemplate::New");
920 i::Handle<i::Struct> struct_obj =
921 isolate->factory()->NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE);
922 i::Handle<i::FunctionTemplateInfo> obj =
923 i::Handle<i::FunctionTemplateInfo>::cast(struct_obj);
924 InitializeFunctionTemplate(obj);
925 int next_serial_number = isolate->next_serial_number();
926 isolate->set_next_serial_number(next_serial_number + 1);
927 obj->set_serial_number(i::Smi::FromInt(next_serial_number));
929 if (data.IsEmpty()) data = v8::Undefined();
930 Utils::ToLocal(obj)->SetCallHandler(callback, data);
932 obj->set_undetectable(false);
933 obj->set_needs_access_check(false);
935 if (!signature.IsEmpty())
936 obj->set_signature(*Utils::OpenHandle(*signature));
937 return Utils::ToLocal(obj);
941 Local<Signature> Signature::New(Handle<FunctionTemplate> receiver,
942 int argc, Handle<FunctionTemplate> argv[]) {
943 i::Isolate* isolate = i::Isolate::Current();
944 EnsureInitializedForIsolate(isolate, "v8::Signature::New()");
945 LOG_API(isolate, "Signature::New");
947 i::Handle<i::Struct> struct_obj =
948 isolate->factory()->NewStruct(i::SIGNATURE_INFO_TYPE);
949 i::Handle<i::SignatureInfo> obj =
950 i::Handle<i::SignatureInfo>::cast(struct_obj);
951 if (!receiver.IsEmpty()) obj->set_receiver(*Utils::OpenHandle(*receiver));
953 i::Handle<i::FixedArray> args = isolate->factory()->NewFixedArray(argc);
954 for (int i = 0; i < argc; i++) {
955 if (!argv[i].IsEmpty())
956 args->set(i, *Utils::OpenHandle(*argv[i]));
958 obj->set_args(*args);
960 return Utils::ToLocal(obj);
964 Local<TypeSwitch> TypeSwitch::New(Handle<FunctionTemplate> type) {
965 Handle<FunctionTemplate> types[1] = { type };
966 return TypeSwitch::New(1, types);
970 Local<TypeSwitch> TypeSwitch::New(int argc, Handle<FunctionTemplate> types[]) {
971 i::Isolate* isolate = i::Isolate::Current();
972 EnsureInitializedForIsolate(isolate, "v8::TypeSwitch::New()");
973 LOG_API(isolate, "TypeSwitch::New");
975 i::Handle<i::FixedArray> vector = isolate->factory()->NewFixedArray(argc);
976 for (int i = 0; i < argc; i++)
977 vector->set(i, *Utils::OpenHandle(*types[i]));
978 i::Handle<i::Struct> struct_obj =
979 isolate->factory()->NewStruct(i::TYPE_SWITCH_INFO_TYPE);
980 i::Handle<i::TypeSwitchInfo> obj =
981 i::Handle<i::TypeSwitchInfo>::cast(struct_obj);
982 obj->set_types(*vector);
983 return Utils::ToLocal(obj);
987 int TypeSwitch::match(v8::Handle<Value> value) {
988 i::Isolate* isolate = i::Isolate::Current();
989 LOG_API(isolate, "TypeSwitch::match");
991 i::Handle<i::Object> obj = Utils::OpenHandle(*value);
992 i::Handle<i::TypeSwitchInfo> info = Utils::OpenHandle(this);
993 i::FixedArray* types = i::FixedArray::cast(info->types());
994 for (int i = 0; i < types->length(); i++) {
995 if (obj->IsInstanceOf(i::FunctionTemplateInfo::cast(types->get(i))))
1002 #define SET_FIELD_WRAPPED(obj, setter, cdata) do { \
1003 i::Handle<i::Object> foreign = FromCData(cdata); \
1004 (obj)->setter(*foreign); \
1008 void FunctionTemplate::SetCallHandler(InvocationCallback callback,
1009 v8::Handle<Value> data) {
1010 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1011 if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetCallHandler()")) return;
1013 i::HandleScope scope(isolate);
1014 i::Handle<i::Struct> struct_obj =
1015 isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE);
1016 i::Handle<i::CallHandlerInfo> obj =
1017 i::Handle<i::CallHandlerInfo>::cast(struct_obj);
1018 SET_FIELD_WRAPPED(obj, set_callback, callback);
1019 if (data.IsEmpty()) data = v8::Undefined();
1020 obj->set_data(*Utils::OpenHandle(*data));
1021 Utils::OpenHandle(this)->set_call_code(*obj);
1025 static i::Handle<i::AccessorInfo> MakeAccessorInfo(
1026 v8::Handle<String> name,
1027 AccessorGetter getter,
1028 AccessorSetter setter,
1029 v8::Handle<Value> data,
1030 v8::AccessControl settings,
1031 v8::PropertyAttribute attributes) {
1032 i::Handle<i::AccessorInfo> obj = FACTORY->NewAccessorInfo();
1033 ASSERT(getter != NULL);
1034 SET_FIELD_WRAPPED(obj, set_getter, getter);
1035 SET_FIELD_WRAPPED(obj, set_setter, setter);
1036 if (data.IsEmpty()) data = v8::Undefined();
1037 obj->set_data(*Utils::OpenHandle(*data));
1038 obj->set_name(*Utils::OpenHandle(*name));
1039 if (settings & ALL_CAN_READ) obj->set_all_can_read(true);
1040 if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true);
1041 if (settings & PROHIBITS_OVERWRITING) obj->set_prohibits_overwriting(true);
1042 obj->set_property_attributes(static_cast<PropertyAttributes>(attributes));
1047 void FunctionTemplate::AddInstancePropertyAccessor(
1048 v8::Handle<String> name,
1049 AccessorGetter getter,
1050 AccessorSetter setter,
1051 v8::Handle<Value> data,
1052 v8::AccessControl settings,
1053 v8::PropertyAttribute attributes) {
1054 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1055 if (IsDeadCheck(isolate,
1056 "v8::FunctionTemplate::AddInstancePropertyAccessor()")) {
1060 i::HandleScope scope(isolate);
1062 i::Handle<i::AccessorInfo> obj = MakeAccessorInfo(name,
1063 getter, setter, data,
1064 settings, attributes);
1065 i::Handle<i::Object> list(Utils::OpenHandle(this)->property_accessors());
1066 if (list->IsUndefined()) {
1067 list = NeanderArray().value();
1068 Utils::OpenHandle(this)->set_property_accessors(*list);
1070 NeanderArray array(list);
1075 Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() {
1076 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1077 if (IsDeadCheck(isolate, "v8::FunctionTemplate::InstanceTemplate()")
1078 || EmptyCheck("v8::FunctionTemplate::InstanceTemplate()", this))
1079 return Local<ObjectTemplate>();
1081 if (Utils::OpenHandle(this)->instance_template()->IsUndefined()) {
1082 Local<ObjectTemplate> templ =
1083 ObjectTemplate::New(v8::Handle<FunctionTemplate>(this));
1084 Utils::OpenHandle(this)->set_instance_template(*Utils::OpenHandle(*templ));
1086 i::Handle<i::ObjectTemplateInfo> result(i::ObjectTemplateInfo::cast(
1087 Utils::OpenHandle(this)->instance_template()));
1088 return Utils::ToLocal(result);
1092 void FunctionTemplate::SetClassName(Handle<String> name) {
1093 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1094 if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetClassName()")) return;
1096 Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name));
1100 void FunctionTemplate::SetHiddenPrototype(bool value) {
1101 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1102 if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetHiddenPrototype()")) {
1106 Utils::OpenHandle(this)->set_hidden_prototype(value);
1110 void FunctionTemplate::ReadOnlyPrototype() {
1111 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1112 if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetPrototypeAttributes()")) {
1116 Utils::OpenHandle(this)->set_read_only_prototype(true);
1120 void FunctionTemplate::SetNamedInstancePropertyHandler(
1121 NamedPropertyGetter getter,
1122 NamedPropertySetter setter,
1123 NamedPropertyQuery query,
1124 NamedPropertyDeleter remover,
1125 NamedPropertyEnumerator enumerator,
1126 Handle<Value> data) {
1127 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1128 if (IsDeadCheck(isolate,
1129 "v8::FunctionTemplate::SetNamedInstancePropertyHandler()")) {
1133 i::HandleScope scope(isolate);
1134 i::Handle<i::Struct> struct_obj =
1135 isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE);
1136 i::Handle<i::InterceptorInfo> obj =
1137 i::Handle<i::InterceptorInfo>::cast(struct_obj);
1139 if (getter != 0) SET_FIELD_WRAPPED(obj, set_getter, getter);
1140 if (setter != 0) SET_FIELD_WRAPPED(obj, set_setter, setter);
1141 if (query != 0) SET_FIELD_WRAPPED(obj, set_query, query);
1142 if (remover != 0) SET_FIELD_WRAPPED(obj, set_deleter, remover);
1143 if (enumerator != 0) SET_FIELD_WRAPPED(obj, set_enumerator, enumerator);
1145 if (data.IsEmpty()) data = v8::Undefined();
1146 obj->set_data(*Utils::OpenHandle(*data));
1147 Utils::OpenHandle(this)->set_named_property_handler(*obj);
1151 void FunctionTemplate::SetIndexedInstancePropertyHandler(
1152 IndexedPropertyGetter getter,
1153 IndexedPropertySetter setter,
1154 IndexedPropertyQuery query,
1155 IndexedPropertyDeleter remover,
1156 IndexedPropertyEnumerator enumerator,
1157 Handle<Value> data) {
1158 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1159 if (IsDeadCheck(isolate,
1160 "v8::FunctionTemplate::SetIndexedInstancePropertyHandler()")) {
1164 i::HandleScope scope(isolate);
1165 i::Handle<i::Struct> struct_obj =
1166 isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE);
1167 i::Handle<i::InterceptorInfo> obj =
1168 i::Handle<i::InterceptorInfo>::cast(struct_obj);
1170 if (getter != 0) SET_FIELD_WRAPPED(obj, set_getter, getter);
1171 if (setter != 0) SET_FIELD_WRAPPED(obj, set_setter, setter);
1172 if (query != 0) SET_FIELD_WRAPPED(obj, set_query, query);
1173 if (remover != 0) SET_FIELD_WRAPPED(obj, set_deleter, remover);
1174 if (enumerator != 0) SET_FIELD_WRAPPED(obj, set_enumerator, enumerator);
1176 if (data.IsEmpty()) data = v8::Undefined();
1177 obj->set_data(*Utils::OpenHandle(*data));
1178 Utils::OpenHandle(this)->set_indexed_property_handler(*obj);
1182 void FunctionTemplate::SetInstanceCallAsFunctionHandler(
1183 InvocationCallback callback,
1184 Handle<Value> data) {
1185 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1186 if (IsDeadCheck(isolate,
1187 "v8::FunctionTemplate::SetInstanceCallAsFunctionHandler()")) {
1191 i::HandleScope scope(isolate);
1192 i::Handle<i::Struct> struct_obj =
1193 isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE);
1194 i::Handle<i::CallHandlerInfo> obj =
1195 i::Handle<i::CallHandlerInfo>::cast(struct_obj);
1196 SET_FIELD_WRAPPED(obj, set_callback, callback);
1197 if (data.IsEmpty()) data = v8::Undefined();
1198 obj->set_data(*Utils::OpenHandle(*data));
1199 Utils::OpenHandle(this)->set_instance_call_handler(*obj);
1203 // --- O b j e c t T e m p l a t e ---
1206 Local<ObjectTemplate> ObjectTemplate::New() {
1207 return New(Local<FunctionTemplate>());
1211 Local<ObjectTemplate> ObjectTemplate::New(
1212 v8::Handle<FunctionTemplate> constructor) {
1213 i::Isolate* isolate = i::Isolate::Current();
1214 if (IsDeadCheck(isolate, "v8::ObjectTemplate::New()")) {
1215 return Local<ObjectTemplate>();
1217 EnsureInitializedForIsolate(isolate, "v8::ObjectTemplate::New()");
1218 LOG_API(isolate, "ObjectTemplate::New");
1220 i::Handle<i::Struct> struct_obj =
1221 isolate->factory()->NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE);
1222 i::Handle<i::ObjectTemplateInfo> obj =
1223 i::Handle<i::ObjectTemplateInfo>::cast(struct_obj);
1224 InitializeTemplate(obj, Consts::OBJECT_TEMPLATE);
1225 if (!constructor.IsEmpty())
1226 obj->set_constructor(*Utils::OpenHandle(*constructor));
1227 obj->set_internal_field_count(i::Smi::FromInt(0));
1228 return Utils::ToLocal(obj);
1232 // Ensure that the object template has a constructor. If no
1233 // constructor is available we create one.
1234 static void EnsureConstructor(ObjectTemplate* object_template) {
1235 if (Utils::OpenHandle(object_template)->constructor()->IsUndefined()) {
1236 Local<FunctionTemplate> templ = FunctionTemplate::New();
1237 i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ);
1238 constructor->set_instance_template(*Utils::OpenHandle(object_template));
1239 Utils::OpenHandle(object_template)->set_constructor(*constructor);
1244 void ObjectTemplate::SetAccessor(v8::Handle<String> name,
1245 AccessorGetter getter,
1246 AccessorSetter setter,
1247 v8::Handle<Value> data,
1248 AccessControl settings,
1249 PropertyAttribute attribute) {
1250 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1251 if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetAccessor()")) return;
1253 i::HandleScope scope(isolate);
1254 EnsureConstructor(this);
1255 i::FunctionTemplateInfo* constructor =
1256 i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
1257 i::Handle<i::FunctionTemplateInfo> cons(constructor);
1258 Utils::ToLocal(cons)->AddInstancePropertyAccessor(name,
1267 void ObjectTemplate::SetNamedPropertyHandler(NamedPropertyGetter getter,
1268 NamedPropertySetter setter,
1269 NamedPropertyQuery query,
1270 NamedPropertyDeleter remover,
1271 NamedPropertyEnumerator enumerator,
1272 Handle<Value> data) {
1273 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1274 if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetNamedPropertyHandler()")) {
1278 i::HandleScope scope(isolate);
1279 EnsureConstructor(this);
1280 i::FunctionTemplateInfo* constructor =
1281 i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
1282 i::Handle<i::FunctionTemplateInfo> cons(constructor);
1283 Utils::ToLocal(cons)->SetNamedInstancePropertyHandler(getter,
1292 void ObjectTemplate::MarkAsUndetectable() {
1293 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1294 if (IsDeadCheck(isolate, "v8::ObjectTemplate::MarkAsUndetectable()")) return;
1296 i::HandleScope scope(isolate);
1297 EnsureConstructor(this);
1298 i::FunctionTemplateInfo* constructor =
1299 i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
1300 i::Handle<i::FunctionTemplateInfo> cons(constructor);
1301 cons->set_undetectable(true);
1305 void ObjectTemplate::SetAccessCheckCallbacks(
1306 NamedSecurityCallback named_callback,
1307 IndexedSecurityCallback indexed_callback,
1309 bool turned_on_by_default) {
1310 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1311 if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetAccessCheckCallbacks()")) {
1315 i::HandleScope scope(isolate);
1316 EnsureConstructor(this);
1318 i::Handle<i::Struct> struct_info =
1319 isolate->factory()->NewStruct(i::ACCESS_CHECK_INFO_TYPE);
1320 i::Handle<i::AccessCheckInfo> info =
1321 i::Handle<i::AccessCheckInfo>::cast(struct_info);
1323 SET_FIELD_WRAPPED(info, set_named_callback, named_callback);
1324 SET_FIELD_WRAPPED(info, set_indexed_callback, indexed_callback);
1326 if (data.IsEmpty()) data = v8::Undefined();
1327 info->set_data(*Utils::OpenHandle(*data));
1329 i::FunctionTemplateInfo* constructor =
1330 i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
1331 i::Handle<i::FunctionTemplateInfo> cons(constructor);
1332 cons->set_access_check_info(*info);
1333 cons->set_needs_access_check(turned_on_by_default);
1337 void ObjectTemplate::SetIndexedPropertyHandler(
1338 IndexedPropertyGetter getter,
1339 IndexedPropertySetter setter,
1340 IndexedPropertyQuery query,
1341 IndexedPropertyDeleter remover,
1342 IndexedPropertyEnumerator enumerator,
1343 Handle<Value> data) {
1344 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1345 if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetIndexedPropertyHandler()")) {
1349 i::HandleScope scope(isolate);
1350 EnsureConstructor(this);
1351 i::FunctionTemplateInfo* constructor =
1352 i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
1353 i::Handle<i::FunctionTemplateInfo> cons(constructor);
1354 Utils::ToLocal(cons)->SetIndexedInstancePropertyHandler(getter,
1363 void ObjectTemplate::SetCallAsFunctionHandler(InvocationCallback callback,
1364 Handle<Value> data) {
1365 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1366 if (IsDeadCheck(isolate,
1367 "v8::ObjectTemplate::SetCallAsFunctionHandler()")) {
1371 i::HandleScope scope(isolate);
1372 EnsureConstructor(this);
1373 i::FunctionTemplateInfo* constructor =
1374 i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
1375 i::Handle<i::FunctionTemplateInfo> cons(constructor);
1376 Utils::ToLocal(cons)->SetInstanceCallAsFunctionHandler(callback, data);
1380 int ObjectTemplate::InternalFieldCount() {
1381 if (IsDeadCheck(Utils::OpenHandle(this)->GetIsolate(),
1382 "v8::ObjectTemplate::InternalFieldCount()")) {
1385 return i::Smi::cast(Utils::OpenHandle(this)->internal_field_count())->value();
1389 void ObjectTemplate::SetInternalFieldCount(int value) {
1390 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1391 if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetInternalFieldCount()")) {
1394 if (!ApiCheck(i::Smi::IsValid(value),
1395 "v8::ObjectTemplate::SetInternalFieldCount()",
1396 "Invalid internal field count")) {
1401 // The internal field count is set by the constructor function's
1402 // construct code, so we ensure that there is a constructor
1403 // function to do the setting.
1404 EnsureConstructor(this);
1406 Utils::OpenHandle(this)->set_internal_field_count(i::Smi::FromInt(value));
1410 // --- S c r i p t D a t a ---
1413 ScriptData* ScriptData::PreCompile(const char* input, int length) {
1414 i::Utf8ToUC16CharacterStream stream(
1415 reinterpret_cast<const unsigned char*>(input), length);
1416 return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_scoping);
1420 ScriptData* ScriptData::PreCompile(v8::Handle<String> source) {
1421 i::Handle<i::String> str = Utils::OpenHandle(*source);
1422 if (str->IsExternalTwoByteString()) {
1423 i::ExternalTwoByteStringUC16CharacterStream stream(
1424 i::Handle<i::ExternalTwoByteString>::cast(str), 0, str->length());
1425 return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_scoping);
1427 i::GenericStringUC16CharacterStream stream(str, 0, str->length());
1428 return i::ParserApi::PreParse(&stream, NULL, i::FLAG_harmony_scoping);
1433 ScriptData* ScriptData::New(const char* data, int length) {
1434 // Return an empty ScriptData if the length is obviously invalid.
1435 if (length % sizeof(unsigned) != 0) {
1436 return new i::ScriptDataImpl();
1439 // Copy the data to ensure it is properly aligned.
1440 int deserialized_data_length = length / sizeof(unsigned);
1441 // If aligned, don't create a copy of the data.
1442 if (reinterpret_cast<intptr_t>(data) % sizeof(unsigned) == 0) {
1443 return new i::ScriptDataImpl(data, length);
1445 // Copy the data to align it.
1446 unsigned* deserialized_data = i::NewArray<unsigned>(deserialized_data_length);
1447 i::OS::MemCopy(deserialized_data, data, length);
1449 return new i::ScriptDataImpl(
1450 i::Vector<unsigned>(deserialized_data, deserialized_data_length));
1454 // --- S c r i p t ---
1457 Local<Script> Script::New(v8::Handle<String> source,
1458 v8::ScriptOrigin* origin,
1459 v8::ScriptData* pre_data,
1460 v8::Handle<String> script_data) {
1461 i::Isolate* isolate = i::Isolate::Current();
1462 ON_BAILOUT(isolate, "v8::Script::New()", return Local<Script>());
1463 LOG_API(isolate, "Script::New");
1465 i::Handle<i::String> str = Utils::OpenHandle(*source);
1466 i::Handle<i::Object> name_obj;
1467 int line_offset = 0;
1468 int column_offset = 0;
1469 if (origin != NULL) {
1470 if (!origin->ResourceName().IsEmpty()) {
1471 name_obj = Utils::OpenHandle(*origin->ResourceName());
1473 if (!origin->ResourceLineOffset().IsEmpty()) {
1474 line_offset = static_cast<int>(origin->ResourceLineOffset()->Value());
1476 if (!origin->ResourceColumnOffset().IsEmpty()) {
1477 column_offset = static_cast<int>(origin->ResourceColumnOffset()->Value());
1480 EXCEPTION_PREAMBLE(isolate);
1481 i::ScriptDataImpl* pre_data_impl = static_cast<i::ScriptDataImpl*>(pre_data);
1482 // We assert that the pre-data is sane, even though we can actually
1483 // handle it if it turns out not to be in release mode.
1484 ASSERT(pre_data_impl == NULL || pre_data_impl->SanityCheck());
1485 // If the pre-data isn't sane we simply ignore it
1486 if (pre_data_impl != NULL && !pre_data_impl->SanityCheck()) {
1487 pre_data_impl = NULL;
1489 i::Handle<i::SharedFunctionInfo> result =
1490 i::Compiler::Compile(str,
1496 Utils::OpenHandle(*script_data),
1497 i::NOT_NATIVES_CODE);
1498 has_pending_exception = result.is_null();
1499 EXCEPTION_BAILOUT_CHECK(isolate, Local<Script>());
1500 return Local<Script>(ToApi<Script>(result));
1504 Local<Script> Script::New(v8::Handle<String> source,
1505 v8::Handle<Value> file_name) {
1506 ScriptOrigin origin(file_name);
1507 return New(source, &origin);
1511 Local<Script> Script::Compile(v8::Handle<String> source,
1512 v8::ScriptOrigin* origin,
1513 v8::ScriptData* pre_data,
1514 v8::Handle<String> script_data) {
1515 i::Isolate* isolate = i::Isolate::Current();
1516 ON_BAILOUT(isolate, "v8::Script::Compile()", return Local<Script>());
1517 LOG_API(isolate, "Script::Compile");
1519 Local<Script> generic = New(source, origin, pre_data, script_data);
1520 if (generic.IsEmpty())
1522 i::Handle<i::Object> obj = Utils::OpenHandle(*generic);
1523 i::Handle<i::SharedFunctionInfo> function =
1524 i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj));
1525 i::Handle<i::JSFunction> result =
1526 isolate->factory()->NewFunctionFromSharedFunctionInfo(
1528 isolate->global_context());
1529 return Local<Script>(ToApi<Script>(result));
1533 Local<Script> Script::Compile(v8::Handle<String> source,
1534 v8::Handle<Value> file_name,
1535 v8::Handle<String> script_data) {
1536 ScriptOrigin origin(file_name);
1537 return Compile(source, &origin, 0, script_data);
1541 Local<Value> Script::Run() {
1542 i::Isolate* isolate = i::Isolate::Current();
1543 ON_BAILOUT(isolate, "v8::Script::Run()", return Local<Value>());
1544 LOG_API(isolate, "Script::Run");
1546 i::Object* raw_result = NULL;
1548 i::HandleScope scope(isolate);
1549 i::Handle<i::Object> obj = Utils::OpenHandle(this);
1550 i::Handle<i::JSFunction> fun;
1551 if (obj->IsSharedFunctionInfo()) {
1552 i::Handle<i::SharedFunctionInfo>
1553 function_info(i::SharedFunctionInfo::cast(*obj), isolate);
1554 fun = isolate->factory()->NewFunctionFromSharedFunctionInfo(
1555 function_info, isolate->global_context());
1557 fun = i::Handle<i::JSFunction>(i::JSFunction::cast(*obj), isolate);
1559 EXCEPTION_PREAMBLE(isolate);
1560 i::Handle<i::Object> receiver(
1561 isolate->context()->global_proxy(), isolate);
1562 i::Handle<i::Object> result =
1563 i::Execution::Call(fun, receiver, 0, NULL, &has_pending_exception);
1564 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
1565 raw_result = *result;
1567 i::Handle<i::Object> result(raw_result, isolate);
1568 return Utils::ToLocal(result);
1572 static i::Handle<i::SharedFunctionInfo> OpenScript(Script* script) {
1573 i::Handle<i::Object> obj = Utils::OpenHandle(script);
1574 i::Handle<i::SharedFunctionInfo> result;
1575 if (obj->IsSharedFunctionInfo()) {
1577 i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj));
1580 i::Handle<i::SharedFunctionInfo>(i::JSFunction::cast(*obj)->shared());
1586 Local<Value> Script::Id() {
1587 i::Isolate* isolate = i::Isolate::Current();
1588 ON_BAILOUT(isolate, "v8::Script::Id()", return Local<Value>());
1589 LOG_API(isolate, "Script::Id");
1590 i::Object* raw_id = NULL;
1592 i::HandleScope scope(isolate);
1593 i::Handle<i::SharedFunctionInfo> function_info = OpenScript(this);
1594 i::Handle<i::Script> script(i::Script::cast(function_info->script()));
1595 i::Handle<i::Object> id(script->id());
1598 i::Handle<i::Object> id(raw_id);
1599 return Utils::ToLocal(id);
1603 void Script::SetData(v8::Handle<String> data) {
1604 i::Isolate* isolate = i::Isolate::Current();
1605 ON_BAILOUT(isolate, "v8::Script::SetData()", return);
1606 LOG_API(isolate, "Script::SetData");
1608 i::HandleScope scope(isolate);
1609 i::Handle<i::SharedFunctionInfo> function_info = OpenScript(this);
1610 i::Handle<i::Object> raw_data = Utils::OpenHandle(*data);
1611 i::Handle<i::Script> script(i::Script::cast(function_info->script()));
1612 script->set_data(*raw_data);
1617 // --- E x c e p t i o n s ---
1620 v8::TryCatch::TryCatch()
1621 : isolate_(i::Isolate::Current()),
1622 next_(isolate_->try_catch_handler_address()),
1623 exception_(isolate_->heap()->the_hole_value()),
1624 message_(i::Smi::FromInt(0)),
1626 can_continue_(true),
1627 capture_message_(true),
1629 isolate_->RegisterTryCatchHandler(this);
1633 v8::TryCatch::~TryCatch() {
1634 ASSERT(isolate_ == i::Isolate::Current());
1636 v8::HandleScope scope;
1637 v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception());
1638 isolate_->UnregisterTryCatchHandler(this);
1639 v8::ThrowException(exc);
1641 isolate_->UnregisterTryCatchHandler(this);
1646 bool v8::TryCatch::HasCaught() const {
1647 return !reinterpret_cast<i::Object*>(exception_)->IsTheHole();
1651 bool v8::TryCatch::CanContinue() const {
1652 return can_continue_;
1656 v8::Handle<v8::Value> v8::TryCatch::ReThrow() {
1657 if (!HasCaught()) return v8::Local<v8::Value>();
1659 return v8::Undefined();
1663 v8::Local<Value> v8::TryCatch::Exception() const {
1664 ASSERT(isolate_ == i::Isolate::Current());
1666 // Check for out of memory exception.
1667 i::Object* exception = reinterpret_cast<i::Object*>(exception_);
1668 return v8::Utils::ToLocal(i::Handle<i::Object>(exception, isolate_));
1670 return v8::Local<Value>();
1675 v8::Local<Value> v8::TryCatch::StackTrace() const {
1676 ASSERT(isolate_ == i::Isolate::Current());
1678 i::Object* raw_obj = reinterpret_cast<i::Object*>(exception_);
1679 if (!raw_obj->IsJSObject()) return v8::Local<Value>();
1680 i::HandleScope scope(isolate_);
1681 i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj), isolate_);
1682 i::Handle<i::String> name = isolate_->factory()->LookupAsciiSymbol("stack");
1683 if (!obj->HasProperty(*name)) return v8::Local<Value>();
1684 i::Handle<i::Object> value = i::GetProperty(obj, name);
1685 if (value.is_null()) return v8::Local<Value>();
1686 return v8::Utils::ToLocal(scope.CloseAndEscape(value));
1688 return v8::Local<Value>();
1693 v8::Local<v8::Message> v8::TryCatch::Message() const {
1694 ASSERT(isolate_ == i::Isolate::Current());
1695 if (HasCaught() && message_ != i::Smi::FromInt(0)) {
1696 i::Object* message = reinterpret_cast<i::Object*>(message_);
1697 return v8::Utils::MessageToLocal(i::Handle<i::Object>(message, isolate_));
1699 return v8::Local<v8::Message>();
1704 void v8::TryCatch::Reset() {
1705 ASSERT(isolate_ == i::Isolate::Current());
1706 exception_ = isolate_->heap()->the_hole_value();
1707 message_ = i::Smi::FromInt(0);
1711 void v8::TryCatch::SetVerbose(bool value) {
1712 is_verbose_ = value;
1716 void v8::TryCatch::SetCaptureMessage(bool value) {
1717 capture_message_ = value;
1721 // --- M e s s a g e ---
1724 Local<String> Message::Get() const {
1725 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1726 ON_BAILOUT(isolate, "v8::Message::Get()", return Local<String>());
1729 i::Handle<i::Object> obj = Utils::OpenHandle(this);
1730 i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(obj);
1731 Local<String> result = Utils::ToLocal(raw_result);
1732 return scope.Close(result);
1736 v8::Handle<Value> Message::GetScriptResourceName() const {
1737 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1738 if (IsDeadCheck(isolate, "v8::Message::GetScriptResourceName()")) {
1739 return Local<String>();
1743 i::Handle<i::JSMessageObject> message =
1744 i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
1745 // Return this.script.name.
1746 i::Handle<i::JSValue> script =
1747 i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script()));
1748 i::Handle<i::Object> resource_name(i::Script::cast(script->value())->name());
1749 return scope.Close(Utils::ToLocal(resource_name));
1753 v8::Handle<Value> Message::GetScriptData() const {
1754 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1755 if (IsDeadCheck(isolate, "v8::Message::GetScriptResourceData()")) {
1756 return Local<Value>();
1760 i::Handle<i::JSMessageObject> message =
1761 i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
1762 // Return this.script.data.
1763 i::Handle<i::JSValue> script =
1764 i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script()));
1765 i::Handle<i::Object> data(i::Script::cast(script->value())->data());
1766 return scope.Close(Utils::ToLocal(data));
1770 v8::Handle<v8::StackTrace> Message::GetStackTrace() const {
1771 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1772 if (IsDeadCheck(isolate, "v8::Message::GetStackTrace()")) {
1773 return Local<v8::StackTrace>();
1777 i::Handle<i::JSMessageObject> message =
1778 i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
1779 i::Handle<i::Object> stackFramesObj(message->stack_frames());
1780 if (!stackFramesObj->IsJSArray()) return v8::Handle<v8::StackTrace>();
1781 i::Handle<i::JSArray> stackTrace =
1782 i::Handle<i::JSArray>::cast(stackFramesObj);
1783 return scope.Close(Utils::StackTraceToLocal(stackTrace));
1787 static i::Handle<i::Object> CallV8HeapFunction(const char* name,
1788 i::Handle<i::Object> recv,
1790 i::Handle<i::Object> argv[],
1791 bool* has_pending_exception) {
1792 i::Isolate* isolate = i::Isolate::Current();
1793 i::Handle<i::String> fmt_str = isolate->factory()->LookupAsciiSymbol(name);
1794 i::Object* object_fun =
1795 isolate->js_builtins_object()->GetPropertyNoExceptionThrown(*fmt_str);
1796 i::Handle<i::JSFunction> fun =
1797 i::Handle<i::JSFunction>(i::JSFunction::cast(object_fun));
1798 i::Handle<i::Object> value =
1799 i::Execution::Call(fun, recv, argc, argv, has_pending_exception);
1804 static i::Handle<i::Object> CallV8HeapFunction(const char* name,
1805 i::Handle<i::Object> data,
1806 bool* has_pending_exception) {
1807 i::Handle<i::Object> argv[] = { data };
1808 return CallV8HeapFunction(name,
1809 i::Isolate::Current()->js_builtins_object(),
1812 has_pending_exception);
1816 int Message::GetLineNumber() const {
1817 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1818 ON_BAILOUT(isolate, "v8::Message::GetLineNumber()", return kNoLineNumberInfo);
1820 i::HandleScope scope(isolate);
1822 EXCEPTION_PREAMBLE(isolate);
1823 i::Handle<i::Object> result = CallV8HeapFunction("GetLineNumber",
1824 Utils::OpenHandle(this),
1825 &has_pending_exception);
1826 EXCEPTION_BAILOUT_CHECK(isolate, 0);
1827 return static_cast<int>(result->Number());
1831 int Message::GetStartPosition() const {
1832 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1833 if (IsDeadCheck(isolate, "v8::Message::GetStartPosition()")) return 0;
1835 i::HandleScope scope(isolate);
1836 i::Handle<i::JSMessageObject> message =
1837 i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
1838 return message->start_position();
1842 int Message::GetEndPosition() const {
1843 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1844 if (IsDeadCheck(isolate, "v8::Message::GetEndPosition()")) return 0;
1846 i::HandleScope scope(isolate);
1847 i::Handle<i::JSMessageObject> message =
1848 i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
1849 return message->end_position();
1853 int Message::GetStartColumn() const {
1854 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1855 if (IsDeadCheck(isolate, "v8::Message::GetStartColumn()")) {
1856 return kNoColumnInfo;
1859 i::HandleScope scope(isolate);
1860 i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
1861 EXCEPTION_PREAMBLE(isolate);
1862 i::Handle<i::Object> start_col_obj = CallV8HeapFunction(
1863 "GetPositionInLine",
1865 &has_pending_exception);
1866 EXCEPTION_BAILOUT_CHECK(isolate, 0);
1867 return static_cast<int>(start_col_obj->Number());
1871 int Message::GetEndColumn() const {
1872 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1873 if (IsDeadCheck(isolate, "v8::Message::GetEndColumn()")) return kNoColumnInfo;
1875 i::HandleScope scope(isolate);
1876 i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
1877 EXCEPTION_PREAMBLE(isolate);
1878 i::Handle<i::Object> start_col_obj = CallV8HeapFunction(
1879 "GetPositionInLine",
1881 &has_pending_exception);
1882 EXCEPTION_BAILOUT_CHECK(isolate, 0);
1883 i::Handle<i::JSMessageObject> message =
1884 i::Handle<i::JSMessageObject>::cast(data_obj);
1885 int start = message->start_position();
1886 int end = message->end_position();
1887 return static_cast<int>(start_col_obj->Number()) + (end - start);
1891 Local<String> Message::GetSourceLine() const {
1892 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1893 ON_BAILOUT(isolate, "v8::Message::GetSourceLine()", return Local<String>());
1896 EXCEPTION_PREAMBLE(isolate);
1897 i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine",
1898 Utils::OpenHandle(this),
1899 &has_pending_exception);
1900 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::String>());
1901 if (result->IsString()) {
1902 return scope.Close(Utils::ToLocal(i::Handle<i::String>::cast(result)));
1904 return Local<String>();
1909 void Message::PrintCurrentStackTrace(FILE* out) {
1910 i::Isolate* isolate = i::Isolate::Current();
1911 if (IsDeadCheck(isolate, "v8::Message::PrintCurrentStackTrace()")) return;
1913 isolate->PrintCurrentStackTrace(out);
1917 // --- S t a c k T r a c e ---
1919 Local<StackFrame> StackTrace::GetFrame(uint32_t index) const {
1920 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1921 if (IsDeadCheck(isolate, "v8::StackTrace::GetFrame()")) {
1922 return Local<StackFrame>();
1926 i::Handle<i::JSArray> self = Utils::OpenHandle(this);
1927 i::Object* raw_object = self->GetElementNoExceptionThrown(index);
1928 i::Handle<i::JSObject> obj(i::JSObject::cast(raw_object));
1929 return scope.Close(Utils::StackFrameToLocal(obj));
1933 int StackTrace::GetFrameCount() const {
1934 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1935 if (IsDeadCheck(isolate, "v8::StackTrace::GetFrameCount()")) return -1;
1937 return i::Smi::cast(Utils::OpenHandle(this)->length())->value();
1941 Local<Array> StackTrace::AsArray() {
1942 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1943 if (IsDeadCheck(isolate, "v8::StackTrace::AsArray()")) Local<Array>();
1945 return Utils::ToLocal(Utils::OpenHandle(this));
1949 Local<StackTrace> StackTrace::CurrentStackTrace(int frame_limit,
1950 StackTraceOptions options) {
1951 i::Isolate* isolate = i::Isolate::Current();
1952 if (IsDeadCheck(isolate, "v8::StackTrace::CurrentStackTrace()")) {
1953 Local<StackTrace>();
1956 i::Handle<i::JSArray> stackTrace =
1957 isolate->CaptureCurrentStackTrace(frame_limit, options);
1958 return Utils::StackTraceToLocal(stackTrace);
1962 // --- S t a c k F r a m e ---
1964 int StackFrame::GetLineNumber() const {
1965 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1966 if (IsDeadCheck(isolate, "v8::StackFrame::GetLineNumber()")) {
1967 return Message::kNoLineNumberInfo;
1970 i::HandleScope scope(isolate);
1971 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
1972 i::Handle<i::Object> line = GetProperty(self, "lineNumber");
1973 if (!line->IsSmi()) {
1974 return Message::kNoLineNumberInfo;
1976 return i::Smi::cast(*line)->value();
1980 int StackFrame::GetColumn() const {
1981 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1982 if (IsDeadCheck(isolate, "v8::StackFrame::GetColumn()")) {
1983 return Message::kNoColumnInfo;
1986 i::HandleScope scope(isolate);
1987 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
1988 i::Handle<i::Object> column = GetProperty(self, "column");
1989 if (!column->IsSmi()) {
1990 return Message::kNoColumnInfo;
1992 return i::Smi::cast(*column)->value();
1996 Local<String> StackFrame::GetScriptName() const {
1997 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
1998 if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptName()")) {
1999 return Local<String>();
2003 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2004 i::Handle<i::Object> name = GetProperty(self, "scriptName");
2005 if (!name->IsString()) {
2006 return Local<String>();
2008 return scope.Close(Local<String>::Cast(Utils::ToLocal(name)));
2012 Local<String> StackFrame::GetScriptNameOrSourceURL() const {
2013 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2014 if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptNameOrSourceURL()")) {
2015 return Local<String>();
2019 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2020 i::Handle<i::Object> name = GetProperty(self, "scriptNameOrSourceURL");
2021 if (!name->IsString()) {
2022 return Local<String>();
2024 return scope.Close(Local<String>::Cast(Utils::ToLocal(name)));
2028 Local<String> StackFrame::GetFunctionName() const {
2029 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2030 if (IsDeadCheck(isolate, "v8::StackFrame::GetFunctionName()")) {
2031 return Local<String>();
2035 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2036 i::Handle<i::Object> name = GetProperty(self, "functionName");
2037 if (!name->IsString()) {
2038 return Local<String>();
2040 return scope.Close(Local<String>::Cast(Utils::ToLocal(name)));
2044 bool StackFrame::IsEval() const {
2045 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2046 if (IsDeadCheck(isolate, "v8::StackFrame::IsEval()")) return false;
2048 i::HandleScope scope(isolate);
2049 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2050 i::Handle<i::Object> is_eval = GetProperty(self, "isEval");
2051 return is_eval->IsTrue();
2055 bool StackFrame::IsConstructor() const {
2056 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2057 if (IsDeadCheck(isolate, "v8::StackFrame::IsConstructor()")) return false;
2059 i::HandleScope scope(isolate);
2060 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2061 i::Handle<i::Object> is_constructor = GetProperty(self, "isConstructor");
2062 return is_constructor->IsTrue();
2068 bool Value::IsUndefined() const {
2069 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsUndefined()")) {
2072 return Utils::OpenHandle(this)->IsUndefined();
2076 bool Value::IsNull() const {
2077 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsNull()")) return false;
2078 return Utils::OpenHandle(this)->IsNull();
2082 bool Value::IsTrue() const {
2083 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsTrue()")) return false;
2084 return Utils::OpenHandle(this)->IsTrue();
2088 bool Value::IsFalse() const {
2089 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsFalse()")) return false;
2090 return Utils::OpenHandle(this)->IsFalse();
2094 bool Value::IsFunction() const {
2095 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsFunction()")) {
2098 return Utils::OpenHandle(this)->IsJSFunction();
2102 bool Value::FullIsString() const {
2103 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsString()")) return false;
2104 bool result = Utils::OpenHandle(this)->IsString();
2105 ASSERT_EQ(result, QuickIsString());
2110 bool Value::IsArray() const {
2111 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsArray()")) return false;
2112 return Utils::OpenHandle(this)->IsJSArray();
2116 bool Value::IsObject() const {
2117 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsObject()")) return false;
2118 return Utils::OpenHandle(this)->IsJSObject();
2122 bool Value::IsNumber() const {
2123 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsNumber()")) return false;
2124 return Utils::OpenHandle(this)->IsNumber();
2128 bool Value::IsBoolean() const {
2129 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsBoolean()")) {
2132 return Utils::OpenHandle(this)->IsBoolean();
2136 bool Value::IsExternal() const {
2137 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsExternal()")) {
2140 return Utils::OpenHandle(this)->IsForeign();
2144 bool Value::IsInt32() const {
2145 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsInt32()")) return false;
2146 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2147 if (obj->IsSmi()) return true;
2148 if (obj->IsNumber()) {
2149 double value = obj->Number();
2150 return i::FastI2D(i::FastD2I(value)) == value;
2156 bool Value::IsUint32() const {
2157 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsUint32()")) return false;
2158 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2159 if (obj->IsSmi()) return i::Smi::cast(*obj)->value() >= 0;
2160 if (obj->IsNumber()) {
2161 double value = obj->Number();
2162 return i::FastUI2D(i::FastD2UI(value)) == value;
2168 bool Value::IsDate() const {
2169 i::Isolate* isolate = i::Isolate::Current();
2170 if (IsDeadCheck(isolate, "v8::Value::IsDate()")) return false;
2171 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2172 return obj->HasSpecificClassOf(isolate->heap()->Date_symbol());
2176 bool Value::IsStringObject() const {
2177 i::Isolate* isolate = i::Isolate::Current();
2178 if (IsDeadCheck(isolate, "v8::Value::IsStringObject()")) return false;
2179 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2180 return obj->HasSpecificClassOf(isolate->heap()->String_symbol());
2184 bool Value::IsNumberObject() const {
2185 i::Isolate* isolate = i::Isolate::Current();
2186 if (IsDeadCheck(isolate, "v8::Value::IsNumberObject()")) return false;
2187 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2188 return obj->HasSpecificClassOf(isolate->heap()->Number_symbol());
2192 static i::Object* LookupBuiltin(i::Isolate* isolate,
2193 const char* builtin_name) {
2194 i::Handle<i::String> symbol =
2195 isolate->factory()->LookupAsciiSymbol(builtin_name);
2196 i::Handle<i::JSBuiltinsObject> builtins = isolate->js_builtins_object();
2197 return builtins->GetPropertyNoExceptionThrown(*symbol);
2201 static bool CheckConstructor(i::Isolate* isolate,
2202 i::Handle<i::JSObject> obj,
2203 const char* class_name) {
2204 return obj->map()->constructor() == LookupBuiltin(isolate, class_name);
2208 bool Value::IsNativeError() const {
2209 i::Isolate* isolate = i::Isolate::Current();
2210 if (IsDeadCheck(isolate, "v8::Value::IsNativeError()")) return false;
2211 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2212 if (obj->IsJSObject()) {
2213 i::Handle<i::JSObject> js_obj(i::JSObject::cast(*obj));
2214 return CheckConstructor(isolate, js_obj, "$Error") ||
2215 CheckConstructor(isolate, js_obj, "$EvalError") ||
2216 CheckConstructor(isolate, js_obj, "$RangeError") ||
2217 CheckConstructor(isolate, js_obj, "$ReferenceError") ||
2218 CheckConstructor(isolate, js_obj, "$SyntaxError") ||
2219 CheckConstructor(isolate, js_obj, "$TypeError") ||
2220 CheckConstructor(isolate, js_obj, "$URIError");
2227 bool Value::IsBooleanObject() const {
2228 i::Isolate* isolate = i::Isolate::Current();
2229 if (IsDeadCheck(isolate, "v8::Value::IsBooleanObject()")) return false;
2230 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2231 return obj->HasSpecificClassOf(isolate->heap()->Boolean_symbol());
2235 bool Value::IsRegExp() const {
2236 if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsRegExp()")) return false;
2237 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2238 return obj->IsJSRegExp();
2242 Local<String> Value::ToString() const {
2243 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2244 i::Handle<i::Object> str;
2245 if (obj->IsString()) {
2248 i::Isolate* isolate = i::Isolate::Current();
2249 if (IsDeadCheck(isolate, "v8::Value::ToString()")) {
2250 return Local<String>();
2252 LOG_API(isolate, "ToString");
2254 EXCEPTION_PREAMBLE(isolate);
2255 str = i::Execution::ToString(obj, &has_pending_exception);
2256 EXCEPTION_BAILOUT_CHECK(isolate, Local<String>());
2258 return Local<String>(ToApi<String>(str));
2262 Local<String> Value::ToDetailString() const {
2263 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2264 i::Handle<i::Object> str;
2265 if (obj->IsString()) {
2268 i::Isolate* isolate = i::Isolate::Current();
2269 if (IsDeadCheck(isolate, "v8::Value::ToDetailString()")) {
2270 return Local<String>();
2272 LOG_API(isolate, "ToDetailString");
2274 EXCEPTION_PREAMBLE(isolate);
2275 str = i::Execution::ToDetailString(obj, &has_pending_exception);
2276 EXCEPTION_BAILOUT_CHECK(isolate, Local<String>());
2278 return Local<String>(ToApi<String>(str));
2282 Local<v8::Object> Value::ToObject() const {
2283 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2284 i::Handle<i::Object> val;
2285 if (obj->IsJSObject()) {
2288 i::Isolate* isolate = i::Isolate::Current();
2289 if (IsDeadCheck(isolate, "v8::Value::ToObject()")) {
2290 return Local<v8::Object>();
2292 LOG_API(isolate, "ToObject");
2294 EXCEPTION_PREAMBLE(isolate);
2295 val = i::Execution::ToObject(obj, &has_pending_exception);
2296 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
2298 return Local<v8::Object>(ToApi<Object>(val));
2302 Local<Boolean> Value::ToBoolean() const {
2303 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2304 if (obj->IsBoolean()) {
2305 return Local<Boolean>(ToApi<Boolean>(obj));
2307 i::Isolate* isolate = i::Isolate::Current();
2308 if (IsDeadCheck(isolate, "v8::Value::ToBoolean()")) {
2309 return Local<Boolean>();
2311 LOG_API(isolate, "ToBoolean");
2313 i::Handle<i::Object> val = i::Execution::ToBoolean(obj);
2314 return Local<Boolean>(ToApi<Boolean>(val));
2319 Local<Number> Value::ToNumber() const {
2320 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2321 i::Handle<i::Object> num;
2322 if (obj->IsNumber()) {
2325 i::Isolate* isolate = i::Isolate::Current();
2326 if (IsDeadCheck(isolate, "v8::Value::ToNumber()")) {
2327 return Local<Number>();
2329 LOG_API(isolate, "ToNumber");
2331 EXCEPTION_PREAMBLE(isolate);
2332 num = i::Execution::ToNumber(obj, &has_pending_exception);
2333 EXCEPTION_BAILOUT_CHECK(isolate, Local<Number>());
2335 return Local<Number>(ToApi<Number>(num));
2339 Local<Integer> Value::ToInteger() const {
2340 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2341 i::Handle<i::Object> num;
2345 i::Isolate* isolate = i::Isolate::Current();
2346 if (IsDeadCheck(isolate, "v8::Value::ToInteger()")) return Local<Integer>();
2347 LOG_API(isolate, "ToInteger");
2349 EXCEPTION_PREAMBLE(isolate);
2350 num = i::Execution::ToInteger(obj, &has_pending_exception);
2351 EXCEPTION_BAILOUT_CHECK(isolate, Local<Integer>());
2353 return Local<Integer>(ToApi<Integer>(num));
2357 void External::CheckCast(v8::Value* that) {
2358 if (IsDeadCheck(i::Isolate::Current(), "v8::External::Cast()")) return;
2359 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2360 ApiCheck(obj->IsForeign(),
2361 "v8::External::Cast()",
2362 "Could not convert to external");
2366 void v8::Object::CheckCast(Value* that) {
2367 if (IsDeadCheck(i::Isolate::Current(), "v8::Object::Cast()")) return;
2368 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2369 ApiCheck(obj->IsJSObject(),
2370 "v8::Object::Cast()",
2371 "Could not convert to object");
2375 void v8::Function::CheckCast(Value* that) {
2376 if (IsDeadCheck(i::Isolate::Current(), "v8::Function::Cast()")) return;
2377 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2378 ApiCheck(obj->IsJSFunction(),
2379 "v8::Function::Cast()",
2380 "Could not convert to function");
2384 void v8::String::CheckCast(v8::Value* that) {
2385 if (IsDeadCheck(i::Isolate::Current(), "v8::String::Cast()")) return;
2386 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2387 ApiCheck(obj->IsString(),
2388 "v8::String::Cast()",
2389 "Could not convert to string");
2393 void v8::Number::CheckCast(v8::Value* that) {
2394 if (IsDeadCheck(i::Isolate::Current(), "v8::Number::Cast()")) return;
2395 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2396 ApiCheck(obj->IsNumber(),
2397 "v8::Number::Cast()",
2398 "Could not convert to number");
2402 void v8::Integer::CheckCast(v8::Value* that) {
2403 if (IsDeadCheck(i::Isolate::Current(), "v8::Integer::Cast()")) return;
2404 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2405 ApiCheck(obj->IsNumber(),
2406 "v8::Integer::Cast()",
2407 "Could not convert to number");
2411 void v8::Array::CheckCast(Value* that) {
2412 if (IsDeadCheck(i::Isolate::Current(), "v8::Array::Cast()")) return;
2413 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2414 ApiCheck(obj->IsJSArray(),
2415 "v8::Array::Cast()",
2416 "Could not convert to array");
2420 void v8::Date::CheckCast(v8::Value* that) {
2421 i::Isolate* isolate = i::Isolate::Current();
2422 if (IsDeadCheck(isolate, "v8::Date::Cast()")) return;
2423 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2424 ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Date_symbol()),
2426 "Could not convert to date");
2430 void v8::StringObject::CheckCast(v8::Value* that) {
2431 i::Isolate* isolate = i::Isolate::Current();
2432 if (IsDeadCheck(isolate, "v8::StringObject::Cast()")) return;
2433 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2434 ApiCheck(obj->HasSpecificClassOf(isolate->heap()->String_symbol()),
2435 "v8::StringObject::Cast()",
2436 "Could not convert to StringObject");
2440 void v8::NumberObject::CheckCast(v8::Value* that) {
2441 i::Isolate* isolate = i::Isolate::Current();
2442 if (IsDeadCheck(isolate, "v8::NumberObject::Cast()")) return;
2443 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2444 ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Number_symbol()),
2445 "v8::NumberObject::Cast()",
2446 "Could not convert to NumberObject");
2450 void v8::BooleanObject::CheckCast(v8::Value* that) {
2451 i::Isolate* isolate = i::Isolate::Current();
2452 if (IsDeadCheck(isolate, "v8::BooleanObject::Cast()")) return;
2453 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2454 ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Boolean_symbol()),
2455 "v8::BooleanObject::Cast()",
2456 "Could not convert to BooleanObject");
2460 void v8::RegExp::CheckCast(v8::Value* that) {
2461 if (IsDeadCheck(i::Isolate::Current(), "v8::RegExp::Cast()")) return;
2462 i::Handle<i::Object> obj = Utils::OpenHandle(that);
2463 ApiCheck(obj->IsJSRegExp(),
2464 "v8::RegExp::Cast()",
2465 "Could not convert to regular expression");
2469 bool Value::BooleanValue() const {
2470 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2471 if (obj->IsBoolean()) {
2472 return obj->IsTrue();
2474 i::Isolate* isolate = i::Isolate::Current();
2475 if (IsDeadCheck(isolate, "v8::Value::BooleanValue()")) return false;
2476 LOG_API(isolate, "BooleanValue");
2478 i::Handle<i::Object> value = i::Execution::ToBoolean(obj);
2479 return value->IsTrue();
2484 double Value::NumberValue() const {
2485 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2486 i::Handle<i::Object> num;
2487 if (obj->IsNumber()) {
2490 i::Isolate* isolate = i::Isolate::Current();
2491 if (IsDeadCheck(isolate, "v8::Value::NumberValue()")) {
2492 return i::OS::nan_value();
2494 LOG_API(isolate, "NumberValue");
2496 EXCEPTION_PREAMBLE(isolate);
2497 num = i::Execution::ToNumber(obj, &has_pending_exception);
2498 EXCEPTION_BAILOUT_CHECK(isolate, i::OS::nan_value());
2500 return num->Number();
2504 int64_t Value::IntegerValue() const {
2505 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2506 i::Handle<i::Object> num;
2507 if (obj->IsNumber()) {
2510 i::Isolate* isolate = i::Isolate::Current();
2511 if (IsDeadCheck(isolate, "v8::Value::IntegerValue()")) return 0;
2512 LOG_API(isolate, "IntegerValue");
2514 EXCEPTION_PREAMBLE(isolate);
2515 num = i::Execution::ToInteger(obj, &has_pending_exception);
2516 EXCEPTION_BAILOUT_CHECK(isolate, 0);
2519 return i::Smi::cast(*num)->value();
2521 return static_cast<int64_t>(num->Number());
2526 Local<Int32> Value::ToInt32() const {
2527 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2528 i::Handle<i::Object> num;
2532 i::Isolate* isolate = i::Isolate::Current();
2533 if (IsDeadCheck(isolate, "v8::Value::ToInt32()")) return Local<Int32>();
2534 LOG_API(isolate, "ToInt32");
2536 EXCEPTION_PREAMBLE(isolate);
2537 num = i::Execution::ToInt32(obj, &has_pending_exception);
2538 EXCEPTION_BAILOUT_CHECK(isolate, Local<Int32>());
2540 return Local<Int32>(ToApi<Int32>(num));
2544 Local<Uint32> Value::ToUint32() const {
2545 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2546 i::Handle<i::Object> num;
2550 i::Isolate* isolate = i::Isolate::Current();
2551 if (IsDeadCheck(isolate, "v8::Value::ToUint32()")) return Local<Uint32>();
2552 LOG_API(isolate, "ToUInt32");
2554 EXCEPTION_PREAMBLE(isolate);
2555 num = i::Execution::ToUint32(obj, &has_pending_exception);
2556 EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>());
2558 return Local<Uint32>(ToApi<Uint32>(num));
2562 Local<Uint32> Value::ToArrayIndex() const {
2563 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2565 if (i::Smi::cast(*obj)->value() >= 0) return Utils::Uint32ToLocal(obj);
2566 return Local<Uint32>();
2568 i::Isolate* isolate = i::Isolate::Current();
2569 if (IsDeadCheck(isolate, "v8::Value::ToArrayIndex()")) return Local<Uint32>();
2570 LOG_API(isolate, "ToArrayIndex");
2572 EXCEPTION_PREAMBLE(isolate);
2573 i::Handle<i::Object> string_obj =
2574 i::Execution::ToString(obj, &has_pending_exception);
2575 EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>());
2576 i::Handle<i::String> str = i::Handle<i::String>::cast(string_obj);
2578 if (str->AsArrayIndex(&index)) {
2579 i::Handle<i::Object> value;
2580 if (index <= static_cast<uint32_t>(i::Smi::kMaxValue)) {
2581 value = i::Handle<i::Object>(i::Smi::FromInt(index));
2583 value = isolate->factory()->NewNumber(index);
2585 return Utils::Uint32ToLocal(value);
2587 return Local<Uint32>();
2591 int32_t Value::Int32Value() const {
2592 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2594 return i::Smi::cast(*obj)->value();
2596 i::Isolate* isolate = i::Isolate::Current();
2597 if (IsDeadCheck(isolate, "v8::Value::Int32Value()")) return 0;
2598 LOG_API(isolate, "Int32Value (slow)");
2600 EXCEPTION_PREAMBLE(isolate);
2601 i::Handle<i::Object> num =
2602 i::Execution::ToInt32(obj, &has_pending_exception);
2603 EXCEPTION_BAILOUT_CHECK(isolate, 0);
2605 return i::Smi::cast(*num)->value();
2607 return static_cast<int32_t>(num->Number());
2613 bool Value::Equals(Handle<Value> that) const {
2614 i::Isolate* isolate = i::Isolate::Current();
2615 if (IsDeadCheck(isolate, "v8::Value::Equals()")
2616 || EmptyCheck("v8::Value::Equals()", this)
2617 || EmptyCheck("v8::Value::Equals()", that)) {
2620 LOG_API(isolate, "Equals");
2622 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2623 i::Handle<i::Object> other = Utils::OpenHandle(*that);
2624 // If both obj and other are JSObjects, we'd better compare by identity
2625 // immediately when going into JS builtin. The reason is Invoke
2626 // would overwrite global object receiver with global proxy.
2627 if (obj->IsJSObject() && other->IsJSObject()) {
2628 return *obj == *other;
2630 i::Handle<i::Object> args[] = { other };
2631 EXCEPTION_PREAMBLE(isolate);
2632 i::Handle<i::Object> result =
2633 CallV8HeapFunction("EQUALS", obj, ARRAY_SIZE(args), args,
2634 &has_pending_exception);
2635 EXCEPTION_BAILOUT_CHECK(isolate, false);
2636 return *result == i::Smi::FromInt(i::EQUAL);
2640 bool Value::StrictEquals(Handle<Value> that) const {
2641 i::Isolate* isolate = i::Isolate::Current();
2642 if (IsDeadCheck(isolate, "v8::Value::StrictEquals()")
2643 || EmptyCheck("v8::Value::StrictEquals()", this)
2644 || EmptyCheck("v8::Value::StrictEquals()", that)) {
2647 LOG_API(isolate, "StrictEquals");
2648 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2649 i::Handle<i::Object> other = Utils::OpenHandle(*that);
2650 // Must check HeapNumber first, since NaN !== NaN.
2651 if (obj->IsHeapNumber()) {
2652 if (!other->IsNumber()) return false;
2653 double x = obj->Number();
2654 double y = other->Number();
2655 // Must check explicitly for NaN:s on Windows, but -0 works fine.
2656 return x == y && !isnan(x) && !isnan(y);
2657 } else if (*obj == *other) { // Also covers Booleans.
2659 } else if (obj->IsSmi()) {
2660 return other->IsNumber() && obj->Number() == other->Number();
2661 } else if (obj->IsString()) {
2662 return other->IsString() &&
2663 i::String::cast(*obj)->Equals(i::String::cast(*other));
2664 } else if (obj->IsUndefined() || obj->IsUndetectableObject()) {
2665 return other->IsUndefined() || other->IsUndetectableObject();
2672 uint32_t Value::Uint32Value() const {
2673 i::Handle<i::Object> obj = Utils::OpenHandle(this);
2675 return i::Smi::cast(*obj)->value();
2677 i::Isolate* isolate = i::Isolate::Current();
2678 if (IsDeadCheck(isolate, "v8::Value::Uint32Value()")) return 0;
2679 LOG_API(isolate, "Uint32Value");
2681 EXCEPTION_PREAMBLE(isolate);
2682 i::Handle<i::Object> num =
2683 i::Execution::ToUint32(obj, &has_pending_exception);
2684 EXCEPTION_BAILOUT_CHECK(isolate, 0);
2686 return i::Smi::cast(*num)->value();
2688 return static_cast<uint32_t>(num->Number());
2694 bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value,
2695 v8::PropertyAttribute attribs) {
2696 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2697 ON_BAILOUT(isolate, "v8::Object::Set()", return false);
2699 i::HandleScope scope(isolate);
2700 i::Handle<i::Object> self = Utils::OpenHandle(this);
2701 i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
2702 i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
2703 EXCEPTION_PREAMBLE(isolate);
2704 i::Handle<i::Object> obj = i::SetProperty(
2708 static_cast<PropertyAttributes>(attribs),
2710 has_pending_exception = obj.is_null();
2711 EXCEPTION_BAILOUT_CHECK(isolate, false);
2716 bool v8::Object::Set(uint32_t index, v8::Handle<Value> value) {
2717 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2718 ON_BAILOUT(isolate, "v8::Object::Set()", return false);
2720 i::HandleScope scope(isolate);
2721 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2722 i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
2723 EXCEPTION_PREAMBLE(isolate);
2724 i::Handle<i::Object> obj = i::SetElement(
2729 has_pending_exception = obj.is_null();
2730 EXCEPTION_BAILOUT_CHECK(isolate, false);
2735 bool v8::Object::ForceSet(v8::Handle<Value> key,
2736 v8::Handle<Value> value,
2737 v8::PropertyAttribute attribs) {
2738 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2739 ON_BAILOUT(isolate, "v8::Object::ForceSet()", return false);
2741 i::HandleScope scope(isolate);
2742 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2743 i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
2744 i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
2745 EXCEPTION_PREAMBLE(isolate);
2746 i::Handle<i::Object> obj = i::ForceSetProperty(
2750 static_cast<PropertyAttributes>(attribs));
2751 has_pending_exception = obj.is_null();
2752 EXCEPTION_BAILOUT_CHECK(isolate, false);
2757 bool v8::Object::ForceDelete(v8::Handle<Value> key) {
2758 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2759 ON_BAILOUT(isolate, "v8::Object::ForceDelete()", return false);
2761 i::HandleScope scope(isolate);
2762 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2763 i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
2765 // When turning on access checks for a global object deoptimize all functions
2766 // as optimized code does not always handle access checks.
2767 i::Deoptimizer::DeoptimizeGlobalObject(*self);
2769 EXCEPTION_PREAMBLE(isolate);
2770 i::Handle<i::Object> obj = i::ForceDeleteProperty(self, key_obj);
2771 has_pending_exception = obj.is_null();
2772 EXCEPTION_BAILOUT_CHECK(isolate, false);
2773 return obj->IsTrue();
2777 Local<Value> v8::Object::Get(v8::Handle<Value> key) {
2778 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2779 ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>());
2781 i::Handle<i::Object> self = Utils::OpenHandle(this);
2782 i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
2783 EXCEPTION_PREAMBLE(isolate);
2784 i::Handle<i::Object> result = i::GetProperty(self, key_obj);
2785 has_pending_exception = result.is_null();
2786 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
2787 return Utils::ToLocal(result);
2791 Local<Value> v8::Object::Get(uint32_t index) {
2792 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2793 ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>());
2795 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2796 EXCEPTION_PREAMBLE(isolate);
2797 i::Handle<i::Object> result = i::Object::GetElement(self, index);
2798 has_pending_exception = result.is_null();
2799 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
2800 return Utils::ToLocal(result);
2804 PropertyAttribute v8::Object::GetPropertyAttributes(v8::Handle<Value> key) {
2805 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2806 ON_BAILOUT(isolate, "v8::Object::GetPropertyAttribute()",
2807 return static_cast<PropertyAttribute>(NONE));
2809 i::HandleScope scope(isolate);
2810 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2811 i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
2812 if (!key_obj->IsString()) {
2813 EXCEPTION_PREAMBLE(isolate);
2814 key_obj = i::Execution::ToString(key_obj, &has_pending_exception);
2815 EXCEPTION_BAILOUT_CHECK(isolate, static_cast<PropertyAttribute>(NONE));
2817 i::Handle<i::String> key_string = i::Handle<i::String>::cast(key_obj);
2818 PropertyAttributes result = self->GetPropertyAttribute(*key_string);
2819 if (result == ABSENT) return static_cast<PropertyAttribute>(NONE);
2820 return static_cast<PropertyAttribute>(result);
2824 Local<Value> v8::Object::GetPrototype() {
2825 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2826 ON_BAILOUT(isolate, "v8::Object::GetPrototype()",
2827 return Local<v8::Value>());
2829 i::Handle<i::Object> self = Utils::OpenHandle(this);
2830 i::Handle<i::Object> result = i::GetPrototype(self);
2831 return Utils::ToLocal(result);
2835 bool v8::Object::SetPrototype(Handle<Value> value) {
2836 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2837 ON_BAILOUT(isolate, "v8::Object::SetPrototype()", return false);
2839 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2840 i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
2841 // We do not allow exceptions thrown while setting the prototype
2842 // to propagate outside.
2844 EXCEPTION_PREAMBLE(isolate);
2845 i::Handle<i::Object> result = i::SetPrototype(self, value_obj);
2846 has_pending_exception = result.is_null();
2847 EXCEPTION_BAILOUT_CHECK(isolate, false);
2852 Local<Object> v8::Object::FindInstanceInPrototypeChain(
2853 v8::Handle<FunctionTemplate> tmpl) {
2854 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2856 "v8::Object::FindInstanceInPrototypeChain()",
2857 return Local<v8::Object>());
2859 i::JSObject* object = *Utils::OpenHandle(this);
2860 i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl);
2861 while (!object->IsInstanceOf(tmpl_info)) {
2862 i::Object* prototype = object->GetPrototype();
2863 if (!prototype->IsJSObject()) return Local<Object>();
2864 object = i::JSObject::cast(prototype);
2866 return Utils::ToLocal(i::Handle<i::JSObject>(object));
2870 Local<Array> v8::Object::GetPropertyNames() {
2871 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2872 ON_BAILOUT(isolate, "v8::Object::GetPropertyNames()",
2873 return Local<v8::Array>());
2875 i::HandleScope scope(isolate);
2876 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2878 i::Handle<i::FixedArray> value =
2879 i::GetKeysInFixedArrayFor(self, i::INCLUDE_PROTOS, &threw);
2880 if (threw) return Local<v8::Array>();
2881 // Because we use caching to speed up enumeration it is important
2882 // to never change the result of the basic enumeration function so
2883 // we clone the result.
2884 i::Handle<i::FixedArray> elms = isolate->factory()->CopyFixedArray(value);
2885 i::Handle<i::JSArray> result =
2886 isolate->factory()->NewJSArrayWithElements(elms);
2887 return Utils::ToLocal(scope.CloseAndEscape(result));
2891 Local<Array> v8::Object::GetOwnPropertyNames() {
2892 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2893 ON_BAILOUT(isolate, "v8::Object::GetOwnPropertyNames()",
2894 return Local<v8::Array>());
2896 i::HandleScope scope(isolate);
2897 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2899 i::Handle<i::FixedArray> value =
2900 i::GetKeysInFixedArrayFor(self, i::LOCAL_ONLY, &threw);
2901 if (threw) return Local<v8::Array>();
2902 // Because we use caching to speed up enumeration it is important
2903 // to never change the result of the basic enumeration function so
2904 // we clone the result.
2905 i::Handle<i::FixedArray> elms = isolate->factory()->CopyFixedArray(value);
2906 i::Handle<i::JSArray> result =
2907 isolate->factory()->NewJSArrayWithElements(elms);
2908 return Utils::ToLocal(scope.CloseAndEscape(result));
2912 Local<String> v8::Object::ObjectProtoToString() {
2913 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2914 ON_BAILOUT(isolate, "v8::Object::ObjectProtoToString()",
2915 return Local<v8::String>());
2917 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2919 i::Handle<i::Object> name(self->class_name());
2921 // Native implementation of Object.prototype.toString (v8natives.js):
2922 // var c = %ClassOf(this);
2923 // if (c === 'Arguments') c = 'Object';
2924 // return "[object " + c + "]";
2926 if (!name->IsString()) {
2927 return v8::String::New("[object ]");
2930 i::Handle<i::String> class_name = i::Handle<i::String>::cast(name);
2931 if (class_name->IsEqualTo(i::CStrVector("Arguments"))) {
2932 return v8::String::New("[object Object]");
2935 const char* prefix = "[object ";
2936 Local<String> str = Utils::ToLocal(class_name);
2937 const char* postfix = "]";
2939 int prefix_len = i::StrLength(prefix);
2940 int str_len = str->Length();
2941 int postfix_len = i::StrLength(postfix);
2943 int buf_len = prefix_len + str_len + postfix_len;
2944 i::ScopedVector<char> buf(buf_len);
2947 char* ptr = buf.start();
2948 memcpy(ptr, prefix, prefix_len * v8::internal::kCharSize);
2951 // Write real content.
2952 str->WriteAscii(ptr, 0, str_len);
2956 memcpy(ptr, postfix, postfix_len * v8::internal::kCharSize);
2958 // Copy the buffer into a heap-allocated string and return it.
2959 Local<String> result = v8::String::New(buf.start(), buf_len);
2966 Local<String> v8::Object::GetConstructorName() {
2967 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2968 ON_BAILOUT(isolate, "v8::Object::GetConstructorName()",
2969 return Local<v8::String>());
2971 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2972 i::Handle<i::String> name(self->constructor_name());
2973 return Utils::ToLocal(name);
2977 bool v8::Object::Delete(v8::Handle<String> key) {
2978 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2979 ON_BAILOUT(isolate, "v8::Object::Delete()", return false);
2981 i::HandleScope scope(isolate);
2982 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2983 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
2984 return i::DeleteProperty(self, key_obj)->IsTrue();
2988 bool v8::Object::Has(v8::Handle<String> key) {
2989 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
2990 ON_BAILOUT(isolate, "v8::Object::Has()", return false);
2992 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
2993 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
2994 return self->HasProperty(*key_obj);
2998 bool v8::Object::Delete(uint32_t index) {
2999 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3000 ON_BAILOUT(isolate, "v8::Object::DeleteProperty()",
3004 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3005 return i::DeleteElement(self, index)->IsTrue();
3009 bool v8::Object::Has(uint32_t index) {
3010 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3011 ON_BAILOUT(isolate, "v8::Object::HasProperty()", return false);
3012 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3013 return self->HasElement(index);
3017 bool Object::SetAccessor(Handle<String> name,
3018 AccessorGetter getter,
3019 AccessorSetter setter,
3020 v8::Handle<Value> data,
3021 AccessControl settings,
3022 PropertyAttribute attributes) {
3023 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3024 ON_BAILOUT(isolate, "v8::Object::SetAccessor()", return false);
3026 i::HandleScope scope(isolate);
3027 i::Handle<i::AccessorInfo> info = MakeAccessorInfo(name,
3028 getter, setter, data,
3029 settings, attributes);
3030 i::Handle<i::Object> result = i::SetAccessor(Utils::OpenHandle(this), info);
3031 return !result.is_null() && !result->IsUndefined();
3035 bool v8::Object::HasOwnProperty(Handle<String> key) {
3036 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3037 ON_BAILOUT(isolate, "v8::Object::HasOwnProperty()",
3039 return Utils::OpenHandle(this)->HasLocalProperty(
3040 *Utils::OpenHandle(*key));
3044 bool v8::Object::HasRealNamedProperty(Handle<String> key) {
3045 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3046 ON_BAILOUT(isolate, "v8::Object::HasRealNamedProperty()",
3048 return Utils::OpenHandle(this)->HasRealNamedProperty(
3049 *Utils::OpenHandle(*key));
3053 bool v8::Object::HasRealIndexedProperty(uint32_t index) {
3054 ON_BAILOUT(Utils::OpenHandle(this)->GetIsolate(),
3055 "v8::Object::HasRealIndexedProperty()",
3057 return Utils::OpenHandle(this)->HasRealElementProperty(index);
3061 bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) {
3062 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3064 "v8::Object::HasRealNamedCallbackProperty()",
3067 return Utils::OpenHandle(this)->HasRealNamedCallbackProperty(
3068 *Utils::OpenHandle(*key));
3072 bool v8::Object::HasNamedLookupInterceptor() {
3073 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3074 ON_BAILOUT(isolate, "v8::Object::HasNamedLookupInterceptor()",
3076 return Utils::OpenHandle(this)->HasNamedInterceptor();
3080 bool v8::Object::HasIndexedLookupInterceptor() {
3081 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3082 ON_BAILOUT(isolate, "v8::Object::HasIndexedLookupInterceptor()",
3084 return Utils::OpenHandle(this)->HasIndexedInterceptor();
3088 static Local<Value> GetPropertyByLookup(i::Isolate* isolate,
3089 i::Handle<i::JSObject> receiver,
3090 i::Handle<i::String> name,
3091 i::LookupResult* lookup) {
3092 if (!lookup->IsProperty()) {
3093 // No real property was found.
3094 return Local<Value>();
3097 // If the property being looked up is a callback, it can throw
3099 EXCEPTION_PREAMBLE(isolate);
3100 PropertyAttributes ignored;
3101 i::Handle<i::Object> result =
3102 i::Object::GetProperty(receiver, receiver, lookup, name,
3104 has_pending_exception = result.is_null();
3105 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
3107 return Utils::ToLocal(result);
3111 Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain(
3112 Handle<String> key) {
3113 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3115 "v8::Object::GetRealNamedPropertyInPrototypeChain()",
3116 return Local<Value>());
3118 i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this);
3119 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
3120 i::LookupResult lookup(isolate);
3121 self_obj->LookupRealNamedPropertyInPrototypes(*key_obj, &lookup);
3122 return GetPropertyByLookup(isolate, self_obj, key_obj, &lookup);
3126 Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) {
3127 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3128 ON_BAILOUT(isolate, "v8::Object::GetRealNamedProperty()",
3129 return Local<Value>());
3131 i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this);
3132 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
3133 i::LookupResult lookup(isolate);
3134 self_obj->LookupRealNamedProperty(*key_obj, &lookup);
3135 return GetPropertyByLookup(isolate, self_obj, key_obj, &lookup);
3139 // Turns on access checks by copying the map and setting the check flag.
3140 // Because the object gets a new map, existing inline cache caching
3141 // the old map of this object will fail.
3142 void v8::Object::TurnOnAccessCheck() {
3143 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3144 ON_BAILOUT(isolate, "v8::Object::TurnOnAccessCheck()", return);
3146 i::HandleScope scope(isolate);
3147 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3149 // When turning on access checks for a global object deoptimize all functions
3150 // as optimized code does not always handle access checks.
3151 i::Deoptimizer::DeoptimizeGlobalObject(*obj);
3153 i::Handle<i::Map> new_map =
3154 isolate->factory()->CopyMapDropTransitions(i::Handle<i::Map>(obj->map()));
3155 new_map->set_is_access_check_needed(true);
3156 obj->set_map(*new_map);
3160 bool v8::Object::IsDirty() {
3161 return Utils::OpenHandle(this)->IsDirty();
3165 Local<v8::Object> v8::Object::Clone() {
3166 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3167 ON_BAILOUT(isolate, "v8::Object::Clone()", return Local<Object>());
3169 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3170 EXCEPTION_PREAMBLE(isolate);
3171 i::Handle<i::JSObject> result = i::Copy(self);
3172 has_pending_exception = result.is_null();
3173 EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
3174 return Utils::ToLocal(result);
3178 static i::Context* GetCreationContext(i::JSObject* object) {
3179 i::Object* constructor = object->map()->constructor();
3180 i::JSFunction* function;
3181 if (!constructor->IsJSFunction()) {
3182 // Functions have null as a constructor,
3183 // but any JSFunction knows its context immediately.
3184 ASSERT(object->IsJSFunction());
3185 function = i::JSFunction::cast(object);
3187 function = i::JSFunction::cast(constructor);
3189 return function->context()->global_context();
3193 Local<v8::Context> v8::Object::CreationContext() {
3194 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3196 "v8::Object::CreationContext()", return Local<v8::Context>());
3198 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3199 i::Context* context = GetCreationContext(*self);
3200 return Utils::ToLocal(i::Handle<i::Context>(context));
3204 int v8::Object::GetIdentityHash() {
3205 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3206 ON_BAILOUT(isolate, "v8::Object::GetIdentityHash()", return 0);
3208 i::HandleScope scope(isolate);
3209 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3210 return i::GetIdentityHash(self);
3214 bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key,
3215 v8::Handle<v8::Value> value) {
3216 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3217 ON_BAILOUT(isolate, "v8::Object::SetHiddenValue()", return false);
3219 i::HandleScope scope(isolate);
3220 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3221 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
3222 i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
3223 i::Handle<i::Object> result = i::SetHiddenProperty(self, key_obj, value_obj);
3224 return *result == *self;
3228 v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) {
3229 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3230 ON_BAILOUT(isolate, "v8::Object::GetHiddenValue()",
3231 return Local<v8::Value>());
3233 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3234 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
3235 i::Handle<i::Object> result(self->GetHiddenProperty(*key_obj));
3236 if (result->IsUndefined()) return v8::Local<v8::Value>();
3237 return Utils::ToLocal(result);
3241 bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) {
3242 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3243 ON_BAILOUT(isolate, "v8::DeleteHiddenValue()", return false);
3245 i::HandleScope scope(isolate);
3246 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3247 i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
3248 self->DeleteHiddenProperty(*key_obj);
3255 static i::ElementsKind GetElementsKindFromExternalArrayType(
3256 ExternalArrayType array_type) {
3257 switch (array_type) {
3258 case kExternalByteArray:
3259 return i::EXTERNAL_BYTE_ELEMENTS;
3261 case kExternalUnsignedByteArray:
3262 return i::EXTERNAL_UNSIGNED_BYTE_ELEMENTS;
3264 case kExternalShortArray:
3265 return i::EXTERNAL_SHORT_ELEMENTS;
3267 case kExternalUnsignedShortArray:
3268 return i::EXTERNAL_UNSIGNED_SHORT_ELEMENTS;
3270 case kExternalIntArray:
3271 return i::EXTERNAL_INT_ELEMENTS;
3273 case kExternalUnsignedIntArray:
3274 return i::EXTERNAL_UNSIGNED_INT_ELEMENTS;
3276 case kExternalFloatArray:
3277 return i::EXTERNAL_FLOAT_ELEMENTS;
3279 case kExternalDoubleArray:
3280 return i::EXTERNAL_DOUBLE_ELEMENTS;
3282 case kExternalPixelArray:
3283 return i::EXTERNAL_PIXEL_ELEMENTS;
3287 return i::DICTIONARY_ELEMENTS;
3291 void PrepareExternalArrayElements(i::Handle<i::JSObject> object,
3293 ExternalArrayType array_type,
3295 i::Isolate* isolate = object->GetIsolate();
3296 i::Handle<i::ExternalArray> array =
3297 isolate->factory()->NewExternalArray(length, array_type, data);
3299 i::Handle<i::Map> external_array_map =
3300 isolate->factory()->GetElementsTransitionMap(
3302 GetElementsKindFromExternalArrayType(array_type));
3304 object->set_map(*external_array_map);
3305 object->set_elements(*array);
3311 void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) {
3312 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3313 ON_BAILOUT(isolate, "v8::SetElementsToPixelData()", return);
3315 i::HandleScope scope(isolate);
3316 if (!ApiCheck(length <= i::ExternalPixelArray::kMaxLength,
3317 "v8::Object::SetIndexedPropertiesToPixelData()",
3318 "length exceeds max acceptable value")) {
3321 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3322 if (!ApiCheck(!self->IsJSArray(),
3323 "v8::Object::SetIndexedPropertiesToPixelData()",
3324 "JSArray is not supported")) {
3327 PrepareExternalArrayElements(self, data, kExternalPixelArray, length);
3331 bool v8::Object::HasIndexedPropertiesInPixelData() {
3332 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3333 ON_BAILOUT(self->GetIsolate(), "v8::HasIndexedPropertiesInPixelData()",
3335 return self->HasExternalPixelElements();
3339 uint8_t* v8::Object::GetIndexedPropertiesPixelData() {
3340 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3341 ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelData()",
3343 if (self->HasExternalPixelElements()) {
3344 return i::ExternalPixelArray::cast(self->elements())->
3345 external_pixel_pointer();
3352 int v8::Object::GetIndexedPropertiesPixelDataLength() {
3353 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3354 ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelDataLength()",
3356 if (self->HasExternalPixelElements()) {
3357 return i::ExternalPixelArray::cast(self->elements())->length();
3364 void v8::Object::SetIndexedPropertiesToExternalArrayData(
3366 ExternalArrayType array_type,
3368 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3369 ON_BAILOUT(isolate, "v8::SetIndexedPropertiesToExternalArrayData()", return);
3371 i::HandleScope scope(isolate);
3372 if (!ApiCheck(length <= i::ExternalArray::kMaxLength,
3373 "v8::Object::SetIndexedPropertiesToExternalArrayData()",
3374 "length exceeds max acceptable value")) {
3377 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3378 if (!ApiCheck(!self->IsJSArray(),
3379 "v8::Object::SetIndexedPropertiesToExternalArrayData()",
3380 "JSArray is not supported")) {
3383 PrepareExternalArrayElements(self, data, array_type, length);
3387 bool v8::Object::HasIndexedPropertiesInExternalArrayData() {
3388 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3389 ON_BAILOUT(self->GetIsolate(),
3390 "v8::HasIndexedPropertiesInExternalArrayData()",
3392 return self->HasExternalArrayElements();
3396 void* v8::Object::GetIndexedPropertiesExternalArrayData() {
3397 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3398 ON_BAILOUT(self->GetIsolate(),
3399 "v8::GetIndexedPropertiesExternalArrayData()",
3401 if (self->HasExternalArrayElements()) {
3402 return i::ExternalArray::cast(self->elements())->external_pointer();
3409 ExternalArrayType v8::Object::GetIndexedPropertiesExternalArrayDataType() {
3410 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3411 ON_BAILOUT(self->GetIsolate(),
3412 "v8::GetIndexedPropertiesExternalArrayDataType()",
3413 return static_cast<ExternalArrayType>(-1));
3414 switch (self->elements()->map()->instance_type()) {
3415 case i::EXTERNAL_BYTE_ARRAY_TYPE:
3416 return kExternalByteArray;
3417 case i::EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
3418 return kExternalUnsignedByteArray;
3419 case i::EXTERNAL_SHORT_ARRAY_TYPE:
3420 return kExternalShortArray;
3421 case i::EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
3422 return kExternalUnsignedShortArray;
3423 case i::EXTERNAL_INT_ARRAY_TYPE:
3424 return kExternalIntArray;
3425 case i::EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
3426 return kExternalUnsignedIntArray;
3427 case i::EXTERNAL_FLOAT_ARRAY_TYPE:
3428 return kExternalFloatArray;
3429 case i::EXTERNAL_DOUBLE_ARRAY_TYPE:
3430 return kExternalDoubleArray;
3431 case i::EXTERNAL_PIXEL_ARRAY_TYPE:
3432 return kExternalPixelArray;
3434 return static_cast<ExternalArrayType>(-1);
3439 int v8::Object::GetIndexedPropertiesExternalArrayDataLength() {
3440 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
3441 ON_BAILOUT(self->GetIsolate(),
3442 "v8::GetIndexedPropertiesExternalArrayDataLength()",
3444 if (self->HasExternalArrayElements()) {
3445 return i::ExternalArray::cast(self->elements())->length();
3452 bool v8::Object::IsCallable() {
3453 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3454 ON_BAILOUT(isolate, "v8::Object::IsCallable()", return false);
3456 i::HandleScope scope(isolate);
3457 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3458 if (obj->IsJSFunction()) return true;
3459 return i::Execution::GetFunctionDelegate(obj)->IsJSFunction();
3463 Local<v8::Value> Object::CallAsFunction(v8::Handle<v8::Object> recv,
3465 v8::Handle<v8::Value> argv[]) {
3466 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3467 ON_BAILOUT(isolate, "v8::Object::CallAsFunction()",
3468 return Local<v8::Value>());
3469 LOG_API(isolate, "Object::CallAsFunction");
3471 i::HandleScope scope(isolate);
3472 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3473 i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
3474 STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
3475 i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
3476 i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>();
3477 if (obj->IsJSFunction()) {
3478 fun = i::Handle<i::JSFunction>::cast(obj);
3480 EXCEPTION_PREAMBLE(isolate);
3481 i::Handle<i::Object> delegate =
3482 i::Execution::TryGetFunctionDelegate(obj, &has_pending_exception);
3483 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
3484 fun = i::Handle<i::JSFunction>::cast(delegate);
3487 EXCEPTION_PREAMBLE(isolate);
3488 i::Handle<i::Object> returned =
3489 i::Execution::Call(fun, recv_obj, argc, args, &has_pending_exception);
3490 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
3491 return Utils::ToLocal(scope.CloseAndEscape(returned));
3495 Local<v8::Value> Object::CallAsConstructor(int argc,
3496 v8::Handle<v8::Value> argv[]) {
3497 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3498 ON_BAILOUT(isolate, "v8::Object::CallAsConstructor()",
3499 return Local<v8::Object>());
3500 LOG_API(isolate, "Object::CallAsConstructor");
3502 i::HandleScope scope(isolate);
3503 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3504 STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
3505 i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
3506 if (obj->IsJSFunction()) {
3507 i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(obj);
3508 EXCEPTION_PREAMBLE(isolate);
3509 i::Handle<i::Object> returned =
3510 i::Execution::New(fun, argc, args, &has_pending_exception);
3511 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
3512 return Utils::ToLocal(scope.CloseAndEscape(
3513 i::Handle<i::JSObject>::cast(returned)));
3515 EXCEPTION_PREAMBLE(isolate);
3516 i::Handle<i::Object> delegate =
3517 i::Execution::TryGetConstructorDelegate(obj, &has_pending_exception);
3518 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
3519 if (!delegate->IsUndefined()) {
3520 i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(delegate);
3521 EXCEPTION_PREAMBLE(isolate);
3522 i::Handle<i::Object> returned =
3523 i::Execution::Call(fun, obj, argc, args, &has_pending_exception);
3524 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
3525 ASSERT(!delegate->IsUndefined());
3526 return Utils::ToLocal(scope.CloseAndEscape(returned));
3528 return Local<v8::Object>();
3532 Local<v8::Object> Function::NewInstance() const {
3533 return NewInstance(0, NULL);
3537 Local<v8::Object> Function::NewInstance(int argc,
3538 v8::Handle<v8::Value> argv[]) const {
3539 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3540 ON_BAILOUT(isolate, "v8::Function::NewInstance()",
3541 return Local<v8::Object>());
3542 LOG_API(isolate, "Function::NewInstance");
3545 i::Handle<i::JSFunction> function = Utils::OpenHandle(this);
3546 STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
3547 i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
3548 EXCEPTION_PREAMBLE(isolate);
3549 i::Handle<i::Object> returned =
3550 i::Execution::New(function, argc, args, &has_pending_exception);
3551 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
3552 return scope.Close(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned)));
3556 Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc,
3557 v8::Handle<v8::Value> argv[]) {
3558 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3559 ON_BAILOUT(isolate, "v8::Function::Call()", return Local<v8::Value>());
3560 LOG_API(isolate, "Function::Call");
3562 i::Object* raw_result = NULL;
3564 i::HandleScope scope(isolate);
3565 i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
3566 i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
3567 STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
3568 i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
3569 EXCEPTION_PREAMBLE(isolate);
3570 i::Handle<i::Object> returned =
3571 i::Execution::Call(fun, recv_obj, argc, args, &has_pending_exception);
3572 EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
3573 raw_result = *returned;
3575 i::Handle<i::Object> result(raw_result);
3576 return Utils::ToLocal(result);
3580 void Function::SetName(v8::Handle<v8::String> name) {
3581 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3584 i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
3585 func->shared()->set_name(*Utils::OpenHandle(*name));
3589 Handle<Value> Function::GetName() const {
3590 i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
3591 return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name()));
3595 ScriptOrigin Function::GetScriptOrigin() const {
3596 i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
3597 if (func->shared()->script()->IsScript()) {
3598 i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
3599 v8::ScriptOrigin origin(
3600 Utils::ToLocal(i::Handle<i::Object>(script->name())),
3601 v8::Integer::New(script->line_offset()->value()),
3602 v8::Integer::New(script->column_offset()->value()));
3605 return v8::ScriptOrigin(Handle<Value>());
3609 const int Function::kLineOffsetNotFound = -1;
3612 int Function::GetScriptLineNumber() const {
3613 i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
3614 if (func->shared()->script()->IsScript()) {
3615 i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
3616 return i::GetScriptLineNumber(script, func->shared()->start_position());
3618 return kLineOffsetNotFound;
3622 int String::Length() const {
3623 i::Handle<i::String> str = Utils::OpenHandle(this);
3624 if (IsDeadCheck(str->GetIsolate(), "v8::String::Length()")) return 0;
3625 return str->length();
3629 int String::Utf8Length() const {
3630 i::Handle<i::String> str = Utils::OpenHandle(this);
3631 if (IsDeadCheck(str->GetIsolate(), "v8::String::Utf8Length()")) return 0;
3632 return str->Utf8Length();
3636 uint32_t String::Hash() const {
3637 i::Handle<i::String> str = Utils::OpenHandle(this);
3638 if (IsDeadCheck(str->GetIsolate(), "v8::String::Hash()")) return 0;
3643 String::CompleteHashData String::CompleteHash() const {
3644 i::Handle<i::String> str = Utils::OpenHandle(this);
3645 if (IsDeadCheck(str->GetIsolate(), "v8::String::CompleteHash()")) return CompleteHashData();
3646 CompleteHashData result;
3647 result.length = str->length();
3648 result.hash = str->Hash();
3649 if (str->IsSeqString())
3650 result.symbol_id = i::SeqString::cast(*str)->symbol_id();
3655 uint32_t String::ComputeHash(uint16_t *string, int length) {
3656 return i::HashSequentialString<i::uc16>(string, length) >> i::String::kHashShift;
3660 uint32_t String::ComputeHash(char *string, int length) {
3661 return i::HashSequentialString<char>(string, length) >> i::String::kHashShift;
3665 uint16_t String::GetCharacter(int index)
3667 i::Handle<i::String> str = Utils::OpenHandle(this);
3668 return str->Get(index);
3672 bool String::Equals(uint16_t *string, int length) {
3673 i::Handle<i::String> str = Utils::OpenHandle(this);
3674 if (IsDeadCheck(str->GetIsolate(), "v8::String::Equals()")) return 0;
3675 return str->SlowEqualsExternal(string, length);
3679 bool String::Equals(char *string, int length)
3681 i::Handle<i::String> str = Utils::OpenHandle(this);
3682 if (IsDeadCheck(str->GetIsolate(), "v8::String::Equals()")) return 0;
3683 return str->SlowEqualsExternal(string, length);
3687 int String::WriteUtf8(char* buffer,
3690 int options) const {
3691 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3692 if (IsDeadCheck(isolate, "v8::String::WriteUtf8()")) return 0;
3693 LOG_API(isolate, "String::WriteUtf8");
3695 i::Handle<i::String> str = Utils::OpenHandle(this);
3696 if (str->IsAsciiRepresentation()) {
3698 if (capacity == -1) {
3699 capacity = str->length() + 1;
3700 len = str->length();
3702 len = i::Min(capacity, str->length());
3704 i::String::WriteToFlat(*str, buffer, 0, len);
3705 if (nchars_ref != NULL) *nchars_ref = len;
3706 if (!(options & NO_NULL_TERMINATION) && capacity > len) {
3713 i::StringInputBuffer& write_input_buffer = *isolate->write_input_buffer();
3714 isolate->string_tracker()->RecordWrite(str);
3715 if (options & HINT_MANY_WRITES_EXPECTED) {
3716 // Flatten the string for efficiency. This applies whether we are
3717 // using StringInputBuffer or Get(i) to access the characters.
3720 write_input_buffer.Reset(0, *str);
3721 int len = str->length();
3722 // Encode the first K - 3 bytes directly into the buffer since we
3723 // know there's room for them. If no capacity is given we copy all
3725 int fast_end = capacity - (unibrow::Utf8::kMaxEncodedSize - 1);
3729 for (i = 0; i < len && (capacity == -1 || pos < fast_end); i++) {
3730 i::uc32 c = write_input_buffer.GetNext();
3731 int written = unibrow::Utf8::Encode(buffer + pos, c);
3736 // For the last characters we need to check the length for each one
3737 // because they may be longer than the remaining space in the
3739 char intermediate[unibrow::Utf8::kMaxEncodedSize];
3740 for (; i < len && pos < capacity; i++) {
3741 i::uc32 c = write_input_buffer.GetNext();
3742 int written = unibrow::Utf8::Encode(intermediate, c);
3743 if (pos + written <= capacity) {
3744 for (int j = 0; j < written; j++)
3745 buffer[pos + j] = intermediate[j];
3749 // We've reached the end of the buffer
3754 if (nchars_ref != NULL) *nchars_ref = nchars;
3755 if (!(options & NO_NULL_TERMINATION) &&
3756 (i == len && (capacity == -1 || pos < capacity)))
3757 buffer[pos++] = '\0';
3762 int String::WriteAscii(char* buffer,
3765 int options) const {
3766 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3767 if (IsDeadCheck(isolate, "v8::String::WriteAscii()")) return 0;
3768 LOG_API(isolate, "String::WriteAscii");
3770 i::StringInputBuffer& write_input_buffer = *isolate->write_input_buffer();
3771 ASSERT(start >= 0 && length >= -1);
3772 i::Handle<i::String> str = Utils::OpenHandle(this);
3773 isolate->string_tracker()->RecordWrite(str);
3774 if (options & HINT_MANY_WRITES_EXPECTED) {
3775 // Flatten the string for efficiency. This applies whether we are
3776 // using StringInputBuffer or Get(i) to access the characters.
3780 if ( (length == -1) || (length > str->length() - start) )
3781 end = str->length() - start;
3782 if (end < 0) return 0;
3783 write_input_buffer.Reset(start, *str);
3785 for (i = 0; i < end; i++) {
3786 char c = static_cast<char>(write_input_buffer.GetNext());
3787 if (c == '\0') c = ' ';
3790 if (!(options & NO_NULL_TERMINATION) && (length == -1 || i < length))
3796 int String::Write(uint16_t* buffer,
3799 int options) const {
3800 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3801 if (IsDeadCheck(isolate, "v8::String::Write()")) return 0;
3802 LOG_API(isolate, "String::Write");
3804 ASSERT(start >= 0 && length >= -1);
3805 i::Handle<i::String> str = Utils::OpenHandle(this);
3806 isolate->string_tracker()->RecordWrite(str);
3807 if (options & HINT_MANY_WRITES_EXPECTED) {
3808 // Flatten the string for efficiency. This applies whether we are
3809 // using StringInputBuffer or Get(i) to access the characters.
3812 int end = start + length;
3813 if ((length == -1) || (length > str->length() - start) )
3814 end = str->length();
3815 if (end < 0) return 0;
3816 i::String::WriteToFlat(*str, buffer, start, end);
3817 if (!(options & NO_NULL_TERMINATION) &&
3818 (length == -1 || end - start < length)) {
3819 buffer[end - start] = '\0';
3825 bool v8::String::IsExternal() const {
3826 i::Handle<i::String> str = Utils::OpenHandle(this);
3827 if (IsDeadCheck(str->GetIsolate(), "v8::String::IsExternal()")) {
3830 EnsureInitializedForIsolate(str->GetIsolate(), "v8::String::IsExternal()");
3831 return i::StringShape(*str).IsExternalTwoByte();
3835 bool v8::String::IsExternalAscii() const {
3836 i::Handle<i::String> str = Utils::OpenHandle(this);
3837 if (IsDeadCheck(str->GetIsolate(), "v8::String::IsExternalAscii()")) {
3840 return i::StringShape(*str).IsExternalAscii();
3844 void v8::String::VerifyExternalStringResource(
3845 v8::String::ExternalStringResource* value) const {
3846 i::Handle<i::String> str = Utils::OpenHandle(this);
3847 const v8::String::ExternalStringResource* expected;
3848 if (i::StringShape(*str).IsExternalTwoByte()) {
3849 const void* resource =
3850 i::Handle<i::ExternalTwoByteString>::cast(str)->resource();
3851 expected = reinterpret_cast<const ExternalStringResource*>(resource);
3855 CHECK_EQ(expected, value);
3859 const v8::String::ExternalAsciiStringResource*
3860 v8::String::GetExternalAsciiStringResource() const {
3861 i::Handle<i::String> str = Utils::OpenHandle(this);
3862 if (IsDeadCheck(str->GetIsolate(),
3863 "v8::String::GetExternalAsciiStringResource()")) {
3866 if (i::StringShape(*str).IsExternalAscii()) {
3867 const void* resource =
3868 i::Handle<i::ExternalAsciiString>::cast(str)->resource();
3869 return reinterpret_cast<const ExternalAsciiStringResource*>(resource);
3876 double Number::Value() const {
3877 if (IsDeadCheck(i::Isolate::Current(), "v8::Number::Value()")) return 0;
3878 i::Handle<i::Object> obj = Utils::OpenHandle(this);
3879 return obj->Number();
3883 bool Boolean::Value() const {
3884 if (IsDeadCheck(i::Isolate::Current(), "v8::Boolean::Value()")) return false;
3885 i::Handle<i::Object> obj = Utils::OpenHandle(this);
3886 return obj->IsTrue();
3890 int64_t Integer::Value() const {
3891 if (IsDeadCheck(i::Isolate::Current(), "v8::Integer::Value()")) return 0;
3892 i::Handle<i::Object> obj = Utils::OpenHandle(this);
3894 return i::Smi::cast(*obj)->value();
3896 return static_cast<int64_t>(obj->Number());
3901 int32_t Int32::Value() const {
3902 if (IsDeadCheck(i::Isolate::Current(), "v8::Int32::Value()")) return 0;
3903 i::Handle<i::Object> obj = Utils::OpenHandle(this);
3905 return i::Smi::cast(*obj)->value();
3907 return static_cast<int32_t>(obj->Number());
3912 uint32_t Uint32::Value() const {
3913 if (IsDeadCheck(i::Isolate::Current(), "v8::Uint32::Value()")) return 0;
3914 i::Handle<i::Object> obj = Utils::OpenHandle(this);
3916 return i::Smi::cast(*obj)->value();
3918 return static_cast<uint32_t>(obj->Number());
3923 int v8::Object::InternalFieldCount() {
3924 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3925 if (IsDeadCheck(obj->GetIsolate(), "v8::Object::InternalFieldCount()")) {
3928 return obj->GetInternalFieldCount();
3932 Local<Value> v8::Object::CheckedGetInternalField(int index) {
3933 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3934 if (IsDeadCheck(obj->GetIsolate(), "v8::Object::GetInternalField()")) {
3935 return Local<Value>();
3937 if (!ApiCheck(index < obj->GetInternalFieldCount(),
3938 "v8::Object::GetInternalField()",
3939 "Reading internal field out of bounds")) {
3940 return Local<Value>();
3942 i::Handle<i::Object> value(obj->GetInternalField(index));
3943 Local<Value> result = Utils::ToLocal(value);
3945 Local<Value> unchecked = UncheckedGetInternalField(index);
3946 ASSERT(unchecked.IsEmpty() || (unchecked == result));
3952 void v8::Object::SetInternalField(int index, v8::Handle<Value> value) {
3953 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
3954 i::Isolate* isolate = obj->GetIsolate();
3955 if (IsDeadCheck(isolate, "v8::Object::SetInternalField()")) {
3958 if (!ApiCheck(index < obj->GetInternalFieldCount(),
3959 "v8::Object::SetInternalField()",
3960 "Writing internal field out of bounds")) {
3964 i::Handle<i::Object> val = Utils::OpenHandle(*value);
3965 obj->SetInternalField(index, *val);
3969 static bool CanBeEncodedAsSmi(void* ptr) {
3970 const uintptr_t address = reinterpret_cast<uintptr_t>(ptr);
3971 return ((address & i::kEncodablePointerMask) == 0);
3975 static i::Smi* EncodeAsSmi(void* ptr) {
3976 ASSERT(CanBeEncodedAsSmi(ptr));
3977 const uintptr_t address = reinterpret_cast<uintptr_t>(ptr);
3978 i::Smi* result = reinterpret_cast<i::Smi*>(address << i::kPointerToSmiShift);
3979 ASSERT(i::Internals::HasSmiTag(result));
3980 ASSERT_EQ(result, i::Smi::FromInt(result->value()));
3981 ASSERT_EQ(ptr, i::Internals::GetExternalPointerFromSmi(result));
3986 void v8::Object::SetPointerInInternalField(int index, void* value) {
3987 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
3989 if (CanBeEncodedAsSmi(value)) {
3990 Utils::OpenHandle(this)->SetInternalField(index, EncodeAsSmi(value));
3993 i::Handle<i::Foreign> foreign =
3994 isolate->factory()->NewForeign(
3995 reinterpret_cast<i::Address>(value), i::TENURED);
3996 if (!foreign.is_null())
3997 Utils::OpenHandle(this)->SetInternalField(index, *foreign);
3999 ASSERT_EQ(value, GetPointerFromInternalField(index));
4003 // --- E n v i r o n m e n t ---
4006 bool v8::V8::Initialize() {
4007 i::Isolate* isolate = i::Isolate::UncheckedCurrent();
4008 if (isolate != NULL && isolate->IsInitialized()) {
4011 return InitializeHelper();
4015 void v8::V8::SetEntropySource(EntropySource source) {
4016 i::V8::SetEntropySource(source);
4020 bool v8::V8::Dispose() {
4021 i::Isolate* isolate = i::Isolate::Current();
4022 if (!ApiCheck(isolate != NULL && isolate->IsDefaultIsolate(),
4023 "v8::V8::Dispose()",
4024 "Use v8::Isolate::Dispose() for a non-default isolate.")) {
4032 HeapStatistics::HeapStatistics(): total_heap_size_(0),
4033 total_heap_size_executable_(0),
4035 heap_size_limit_(0) { }
4038 void v8::V8::GetHeapStatistics(HeapStatistics* heap_statistics) {
4039 if (!i::Isolate::Current()->IsInitialized()) {
4040 // Isolate is unitialized thus heap is not configured yet.
4041 heap_statistics->set_total_heap_size(0);
4042 heap_statistics->set_total_heap_size_executable(0);
4043 heap_statistics->set_used_heap_size(0);
4044 heap_statistics->set_heap_size_limit(0);
4048 i::Heap* heap = i::Isolate::Current()->heap();
4049 heap_statistics->set_total_heap_size(heap->CommittedMemory());
4050 heap_statistics->set_total_heap_size_executable(
4051 heap->CommittedMemoryExecutable());
4052 heap_statistics->set_used_heap_size(heap->SizeOfObjects());
4053 heap_statistics->set_heap_size_limit(heap->MaxReserved());
4057 bool v8::V8::IdleNotification() {
4058 // Returning true tells the caller that it need not
4059 // continue to call IdleNotification.
4060 i::Isolate* isolate = i::Isolate::Current();
4061 if (isolate == NULL || !isolate->IsInitialized()) return true;
4062 return i::V8::IdleNotification();
4066 void v8::V8::LowMemoryNotification() {
4067 i::Isolate* isolate = i::Isolate::Current();
4068 if (isolate == NULL || !isolate->IsInitialized()) return;
4069 isolate->heap()->CollectAllAvailableGarbage();
4073 int v8::V8::ContextDisposedNotification() {
4074 i::Isolate* isolate = i::Isolate::Current();
4075 if (!isolate->IsInitialized()) return 0;
4076 return isolate->heap()->NotifyContextDisposed();
4080 const char* v8::V8::GetVersion() {
4081 return i::Version::GetVersion();
4085 static i::Handle<i::FunctionTemplateInfo>
4086 EnsureConstructor(i::Handle<i::ObjectTemplateInfo> templ) {
4087 if (templ->constructor()->IsUndefined()) {
4088 Local<FunctionTemplate> constructor = FunctionTemplate::New();
4089 Utils::OpenHandle(*constructor)->set_instance_template(*templ);
4090 templ->set_constructor(*Utils::OpenHandle(*constructor));
4092 return i::Handle<i::FunctionTemplateInfo>(
4093 i::FunctionTemplateInfo::cast(templ->constructor()));
4097 Persistent<Context> v8::Context::New(
4098 v8::ExtensionConfiguration* extensions,
4099 v8::Handle<ObjectTemplate> global_template,
4100 v8::Handle<Value> global_object) {
4101 i::Isolate* isolate = i::Isolate::Current();
4102 EnsureInitializedForIsolate(isolate, "v8::Context::New()");
4103 LOG_API(isolate, "Context::New");
4104 ON_BAILOUT(isolate, "v8::Context::New()", return Persistent<Context>());
4106 // Enter V8 via an ENTER_V8 scope.
4107 i::Handle<i::Context> env;
4110 v8::Handle<ObjectTemplate> proxy_template = global_template;
4111 i::Handle<i::FunctionTemplateInfo> proxy_constructor;
4112 i::Handle<i::FunctionTemplateInfo> global_constructor;
4114 if (!global_template.IsEmpty()) {
4115 // Make sure that the global_template has a constructor.
4116 global_constructor =
4117 EnsureConstructor(Utils::OpenHandle(*global_template));
4119 // Create a fresh template for the global proxy object.
4120 proxy_template = ObjectTemplate::New();
4122 EnsureConstructor(Utils::OpenHandle(*proxy_template));
4124 // Set the global template to be the prototype template of
4125 // global proxy template.
4126 proxy_constructor->set_prototype_template(
4127 *Utils::OpenHandle(*global_template));
4129 // Migrate security handlers from global_template to
4130 // proxy_template. Temporarily removing access check
4131 // information from the global template.
4132 if (!global_constructor->access_check_info()->IsUndefined()) {
4133 proxy_constructor->set_access_check_info(
4134 global_constructor->access_check_info());
4135 proxy_constructor->set_needs_access_check(
4136 global_constructor->needs_access_check());
4137 global_constructor->set_needs_access_check(false);
4138 global_constructor->set_access_check_info(
4139 isolate->heap()->undefined_value());
4143 // Create the environment.
4144 env = isolate->bootstrapper()->CreateEnvironment(
4146 Utils::OpenHandle(*global_object),
4150 // Restore the access check info on the global template.
4151 if (!global_template.IsEmpty()) {
4152 ASSERT(!global_constructor.is_null());
4153 ASSERT(!proxy_constructor.is_null());
4154 global_constructor->set_access_check_info(
4155 proxy_constructor->access_check_info());
4156 global_constructor->set_needs_access_check(
4157 proxy_constructor->needs_access_check());
4159 isolate->runtime_profiler()->Reset();
4163 if (env.is_null()) {
4164 return Persistent<Context>();
4166 return Persistent<Context>(Utils::ToLocal(env));
4170 void v8::Context::SetSecurityToken(Handle<Value> token) {
4171 i::Isolate* isolate = i::Isolate::Current();
4172 if (IsDeadCheck(isolate, "v8::Context::SetSecurityToken()")) {
4176 i::Handle<i::Context> env = Utils::OpenHandle(this);
4177 i::Handle<i::Object> token_handle = Utils::OpenHandle(*token);
4178 env->set_security_token(*token_handle);
4182 void v8::Context::UseDefaultSecurityToken() {
4183 i::Isolate* isolate = i::Isolate::Current();
4184 if (IsDeadCheck(isolate,
4185 "v8::Context::UseDefaultSecurityToken()")) {
4189 i::Handle<i::Context> env = Utils::OpenHandle(this);
4190 env->set_security_token(env->global());
4194 Handle<Value> v8::Context::GetSecurityToken() {
4195 i::Isolate* isolate = i::Isolate::Current();
4196 if (IsDeadCheck(isolate, "v8::Context::GetSecurityToken()")) {
4197 return Handle<Value>();
4199 i::Handle<i::Context> env = Utils::OpenHandle(this);
4200 i::Object* security_token = env->security_token();
4201 i::Handle<i::Object> token_handle(security_token);
4202 return Utils::ToLocal(token_handle);
4206 bool Context::HasOutOfMemoryException() {
4207 i::Handle<i::Context> env = Utils::OpenHandle(this);
4208 return env->has_out_of_memory();
4212 bool Context::InContext() {
4213 return i::Isolate::Current()->context() != NULL;
4217 v8::Local<v8::Context> Context::GetEntered() {
4218 i::Isolate* isolate = i::Isolate::Current();
4219 if (!EnsureInitializedForIsolate(isolate, "v8::Context::GetEntered()")) {
4220 return Local<Context>();
4222 i::Handle<i::Object> last =
4223 isolate->handle_scope_implementer()->LastEnteredContext();
4224 if (last.is_null()) return Local<Context>();
4225 i::Handle<i::Context> context = i::Handle<i::Context>::cast(last);
4226 return Utils::ToLocal(context);
4230 v8::Local<v8::Context> Context::GetCurrent() {
4231 i::Isolate* isolate = i::Isolate::Current();
4232 if (IsDeadCheck(isolate, "v8::Context::GetCurrent()")) {
4233 return Local<Context>();
4235 i::Handle<i::Object> current = isolate->global_context();
4236 if (current.is_null()) return Local<Context>();
4237 i::Handle<i::Context> context = i::Handle<i::Context>::cast(current);
4238 return Utils::ToLocal(context);
4242 v8::Local<v8::Context> Context::GetCalling() {
4243 i::Isolate* isolate = i::Isolate::Current();
4244 if (IsDeadCheck(isolate, "v8::Context::GetCalling()")) {
4245 return Local<Context>();
4247 i::Handle<i::Object> calling =
4248 isolate->GetCallingGlobalContext();
4249 if (calling.is_null()) return Local<Context>();
4250 i::Handle<i::Context> context = i::Handle<i::Context>::cast(calling);
4251 return Utils::ToLocal(context);
4255 v8::Local<v8::Object> Context::Global() {
4256 if (IsDeadCheck(i::Isolate::Current(), "v8::Context::Global()")) {
4257 return Local<v8::Object>();
4259 i::Object** ctx = reinterpret_cast<i::Object**>(this);
4260 i::Handle<i::Context> context =
4261 i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
4262 i::Handle<i::Object> global(context->global_proxy());
4263 return Utils::ToLocal(i::Handle<i::JSObject>::cast(global));
4267 void Context::DetachGlobal() {
4268 i::Isolate* isolate = i::Isolate::Current();
4269 if (IsDeadCheck(isolate, "v8::Context::DetachGlobal()")) return;
4271 i::Object** ctx = reinterpret_cast<i::Object**>(this);
4272 i::Handle<i::Context> context =
4273 i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
4274 isolate->bootstrapper()->DetachGlobal(context);
4278 void Context::ReattachGlobal(Handle<Object> global_object) {
4279 i::Isolate* isolate = i::Isolate::Current();
4280 if (IsDeadCheck(isolate, "v8::Context::ReattachGlobal()")) return;
4282 i::Object** ctx = reinterpret_cast<i::Object**>(this);
4283 i::Handle<i::Context> context =
4284 i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
4285 isolate->bootstrapper()->ReattachGlobal(
4287 Utils::OpenHandle(*global_object));
4291 void Context::AllowCodeGenerationFromStrings(bool allow) {
4292 i::Isolate* isolate = i::Isolate::Current();
4293 if (IsDeadCheck(isolate, "v8::Context::AllowCodeGenerationFromStrings()")) {
4297 i::Object** ctx = reinterpret_cast<i::Object**>(this);
4298 i::Handle<i::Context> context =
4299 i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
4300 context->set_allow_code_gen_from_strings(
4301 allow ? isolate->heap()->true_value() : isolate->heap()->false_value());
4305 void V8::SetWrapperClassId(i::Object** global_handle, uint16_t class_id) {
4306 i::GlobalHandles::SetWrapperClassId(global_handle, class_id);
4310 Local<v8::Object> ObjectTemplate::NewInstance() {
4311 i::Isolate* isolate = i::Isolate::Current();
4312 ON_BAILOUT(isolate, "v8::ObjectTemplate::NewInstance()",
4313 return Local<v8::Object>());
4314 LOG_API(isolate, "ObjectTemplate::NewInstance");
4316 EXCEPTION_PREAMBLE(isolate);
4317 i::Handle<i::Object> obj =
4318 i::Execution::InstantiateObject(Utils::OpenHandle(this),
4319 &has_pending_exception);
4320 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
4321 return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj));
4325 Local<v8::Function> FunctionTemplate::GetFunction() {
4326 i::Isolate* isolate = i::Isolate::Current();
4327 ON_BAILOUT(isolate, "v8::FunctionTemplate::GetFunction()",
4328 return Local<v8::Function>());
4329 LOG_API(isolate, "FunctionTemplate::GetFunction");
4331 EXCEPTION_PREAMBLE(isolate);
4332 i::Handle<i::Object> obj =
4333 i::Execution::InstantiateFunction(Utils::OpenHandle(this),
4334 &has_pending_exception);
4335 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Function>());
4336 return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj));
4340 bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) {
4341 ON_BAILOUT(i::Isolate::Current(), "v8::FunctionTemplate::HasInstanceOf()",
4343 i::Object* obj = *Utils::OpenHandle(*value);
4344 return obj->IsInstanceOf(*Utils::OpenHandle(this));
4348 static Local<External> ExternalNewImpl(void* data) {
4349 return Utils::ToLocal(FACTORY->NewForeign(static_cast<i::Address>(data)));
4352 static void* ExternalValueImpl(i::Handle<i::Object> obj) {
4353 return reinterpret_cast<void*>(i::Foreign::cast(*obj)->foreign_address());
4357 Local<Value> v8::External::Wrap(void* data) {
4358 i::Isolate* isolate = i::Isolate::Current();
4359 STATIC_ASSERT(sizeof(data) == sizeof(i::Address));
4360 EnsureInitializedForIsolate(isolate, "v8::External::Wrap()");
4361 LOG_API(isolate, "External::Wrap");
4364 v8::Local<v8::Value> result = CanBeEncodedAsSmi(data)
4365 ? Utils::ToLocal(i::Handle<i::Object>(EncodeAsSmi(data)))
4366 : v8::Local<v8::Value>(ExternalNewImpl(data));
4368 ASSERT_EQ(data, Unwrap(result));
4373 void* v8::Object::SlowGetPointerFromInternalField(int index) {
4374 i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
4375 i::Object* value = obj->GetInternalField(index);
4376 if (value->IsSmi()) {
4377 return i::Internals::GetExternalPointerFromSmi(value);
4378 } else if (value->IsForeign()) {
4379 return reinterpret_cast<void*>(i::Foreign::cast(value)->foreign_address());
4386 void* v8::External::FullUnwrap(v8::Handle<v8::Value> wrapper) {
4387 if (IsDeadCheck(i::Isolate::Current(), "v8::External::Unwrap()")) return 0;
4388 i::Handle<i::Object> obj = Utils::OpenHandle(*wrapper);
4391 result = i::Internals::GetExternalPointerFromSmi(*obj);
4392 } else if (obj->IsForeign()) {
4393 result = ExternalValueImpl(obj);
4397 ASSERT_EQ(result, QuickUnwrap(wrapper));
4402 Local<External> v8::External::New(void* data) {
4403 STATIC_ASSERT(sizeof(data) == sizeof(i::Address));
4404 i::Isolate* isolate = i::Isolate::Current();
4405 EnsureInitializedForIsolate(isolate, "v8::External::New()");
4406 LOG_API(isolate, "External::New");
4408 return ExternalNewImpl(data);
4412 void* External::Value() const {
4413 if (IsDeadCheck(i::Isolate::Current(), "v8::External::Value()")) return 0;
4414 i::Handle<i::Object> obj = Utils::OpenHandle(this);
4415 return ExternalValueImpl(obj);
4419 Local<String> v8::String::Empty() {
4420 i::Isolate* isolate = i::Isolate::Current();
4421 EnsureInitializedForIsolate(isolate, "v8::String::Empty()");
4422 LOG_API(isolate, "String::Empty()");
4423 return Utils::ToLocal(isolate->factory()->empty_symbol());
4427 Local<String> v8::String::New(const char* data, int length) {
4428 i::Isolate* isolate = i::Isolate::Current();
4429 EnsureInitializedForIsolate(isolate, "v8::String::New()");
4430 LOG_API(isolate, "String::New(char)");
4431 if (length == 0) return Empty();
4433 if (length == -1) length = i::StrLength(data);
4434 i::Handle<i::String> result =
4435 isolate->factory()->NewStringFromUtf8(
4436 i::Vector<const char>(data, length));
4437 return Utils::ToLocal(result);
4441 Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) {
4442 i::Handle<i::String> left_string = Utils::OpenHandle(*left);
4443 i::Isolate* isolate = left_string->GetIsolate();
4444 EnsureInitializedForIsolate(isolate, "v8::String::New()");
4445 LOG_API(isolate, "String::New(char)");
4447 i::Handle<i::String> right_string = Utils::OpenHandle(*right);
4448 i::Handle<i::String> result = isolate->factory()->NewConsString(left_string,
4450 return Utils::ToLocal(result);
4454 Local<String> v8::String::NewUndetectable(const char* data, int length) {
4455 i::Isolate* isolate = i::Isolate::Current();
4456 EnsureInitializedForIsolate(isolate, "v8::String::NewUndetectable()");
4457 LOG_API(isolate, "String::NewUndetectable(char)");
4459 if (length == -1) length = i::StrLength(data);
4460 i::Handle<i::String> result =
4461 isolate->factory()->NewStringFromUtf8(
4462 i::Vector<const char>(data, length));
4463 result->MarkAsUndetectable();
4464 return Utils::ToLocal(result);
4468 static int TwoByteStringLength(const uint16_t* data) {
4470 while (data[length] != '\0') length++;
4475 Local<String> v8::String::New(const uint16_t* data, int length) {
4476 i::Isolate* isolate = i::Isolate::Current();
4477 EnsureInitializedForIsolate(isolate, "v8::String::New()");
4478 LOG_API(isolate, "String::New(uint16_)");
4479 if (length == 0) return Empty();
4481 if (length == -1) length = TwoByteStringLength(data);
4482 i::Handle<i::String> result =
4483 isolate->factory()->NewStringFromTwoByte(
4484 i::Vector<const uint16_t>(data, length));
4485 return Utils::ToLocal(result);
4489 Local<String> v8::String::NewUndetectable(const uint16_t* data, int length) {
4490 i::Isolate* isolate = i::Isolate::Current();
4491 EnsureInitializedForIsolate(isolate, "v8::String::NewUndetectable()");
4492 LOG_API(isolate, "String::NewUndetectable(uint16_)");
4494 if (length == -1) length = TwoByteStringLength(data);
4495 i::Handle<i::String> result =
4496 isolate->factory()->NewStringFromTwoByte(
4497 i::Vector<const uint16_t>(data, length));
4498 result->MarkAsUndetectable();
4499 return Utils::ToLocal(result);
4503 i::Handle<i::String> NewExternalStringHandle(i::Isolate* isolate,
4504 v8::String::ExternalStringResource* resource) {
4505 i::Handle<i::String> result =
4506 isolate->factory()->NewExternalStringFromTwoByte(resource);
4511 i::Handle<i::String> NewExternalAsciiStringHandle(i::Isolate* isolate,
4512 v8::String::ExternalAsciiStringResource* resource) {
4513 i::Handle<i::String> result =
4514 isolate->factory()->NewExternalStringFromAscii(resource);
4519 Local<String> v8::String::NewExternal(
4520 v8::String::ExternalStringResource* resource) {
4521 i::Isolate* isolate = i::Isolate::Current();
4522 EnsureInitializedForIsolate(isolate, "v8::String::NewExternal()");
4523 LOG_API(isolate, "String::NewExternal");
4525 i::Handle<i::String> result = NewExternalStringHandle(isolate, resource);
4526 isolate->heap()->external_string_table()->AddString(*result);
4527 return Utils::ToLocal(result);
4531 bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) {
4532 i::Handle<i::String> obj = Utils::OpenHandle(this);
4533 i::Isolate* isolate = obj->GetIsolate();
4534 if (IsDeadCheck(isolate, "v8::String::MakeExternal()")) return false;
4535 if (i::StringShape(*obj).IsExternalTwoByte()) {
4536 return false; // Already an external string.
4539 if (isolate->string_tracker()->IsFreshUnusedString(obj)) {
4542 if (isolate->heap()->IsInGCPostProcessing()) {
4545 bool result = obj->MakeExternal(resource);
4546 if (result && !obj->IsSymbol()) {
4547 isolate->heap()->external_string_table()->AddString(*obj);
4553 Local<String> v8::String::NewExternal(
4554 v8::String::ExternalAsciiStringResource* resource) {
4555 i::Isolate* isolate = i::Isolate::Current();
4556 EnsureInitializedForIsolate(isolate, "v8::String::NewExternal()");
4557 LOG_API(isolate, "String::NewExternal");
4559 i::Handle<i::String> result = NewExternalAsciiStringHandle(isolate, resource);
4560 isolate->heap()->external_string_table()->AddString(*result);
4561 return Utils::ToLocal(result);
4565 bool v8::String::MakeExternal(
4566 v8::String::ExternalAsciiStringResource* resource) {
4567 i::Handle<i::String> obj = Utils::OpenHandle(this);
4568 i::Isolate* isolate = obj->GetIsolate();
4569 if (IsDeadCheck(isolate, "v8::String::MakeExternal()")) return false;
4570 if (i::StringShape(*obj).IsExternalTwoByte()) {
4571 return false; // Already an external string.
4574 if (isolate->string_tracker()->IsFreshUnusedString(obj)) {
4577 if (isolate->heap()->IsInGCPostProcessing()) {
4580 bool result = obj->MakeExternal(resource);
4581 if (result && !obj->IsSymbol()) {
4582 isolate->heap()->external_string_table()->AddString(*obj);
4588 bool v8::String::CanMakeExternal() {
4589 if (!internal::FLAG_clever_optimizations) return false;
4590 i::Handle<i::String> obj = Utils::OpenHandle(this);
4591 i::Isolate* isolate = obj->GetIsolate();
4592 if (IsDeadCheck(isolate, "v8::String::CanMakeExternal()")) return false;
4593 if (isolate->string_tracker()->IsFreshUnusedString(obj)) {
4596 int size = obj->Size(); // Byte size of the original string.
4597 if (size < i::ExternalString::kSize)
4599 i::StringShape shape(*obj);
4600 return !shape.IsExternal();
4604 Local<v8::Object> v8::Object::New() {
4605 i::Isolate* isolate = i::Isolate::Current();
4606 EnsureInitializedForIsolate(isolate, "v8::Object::New()");
4607 LOG_API(isolate, "Object::New");
4609 i::Handle<i::JSObject> obj =
4610 isolate->factory()->NewJSObject(isolate->object_function());
4611 return Utils::ToLocal(obj);
4615 Local<v8::Value> v8::NumberObject::New(double value) {
4616 i::Isolate* isolate = i::Isolate::Current();
4617 EnsureInitializedForIsolate(isolate, "v8::NumberObject::New()");
4618 LOG_API(isolate, "NumberObject::New");
4620 i::Handle<i::Object> number = isolate->factory()->NewNumber(value);
4621 i::Handle<i::Object> obj = isolate->factory()->ToObject(number);
4622 return Utils::ToLocal(obj);
4626 double v8::NumberObject::NumberValue() const {
4627 i::Isolate* isolate = i::Isolate::Current();
4628 if (IsDeadCheck(isolate, "v8::NumberObject::NumberValue()")) return 0;
4629 LOG_API(isolate, "NumberObject::NumberValue");
4630 i::Handle<i::Object> obj = Utils::OpenHandle(this);
4631 i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
4632 return jsvalue->value()->Number();
4636 Local<v8::Value> v8::BooleanObject::New(bool value) {
4637 i::Isolate* isolate = i::Isolate::Current();
4638 EnsureInitializedForIsolate(isolate, "v8::BooleanObject::New()");
4639 LOG_API(isolate, "BooleanObject::New");
4641 i::Handle<i::Object> boolean(value ? isolate->heap()->true_value()
4642 : isolate->heap()->false_value());
4643 i::Handle<i::Object> obj = isolate->factory()->ToObject(boolean);
4644 return Utils::ToLocal(obj);
4648 bool v8::BooleanObject::BooleanValue() const {
4649 i::Isolate* isolate = i::Isolate::Current();
4650 if (IsDeadCheck(isolate, "v8::BooleanObject::BooleanValue()")) return 0;
4651 LOG_API(isolate, "BooleanObject::BooleanValue");
4652 i::Handle<i::Object> obj = Utils::OpenHandle(this);
4653 i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
4654 return jsvalue->value()->IsTrue();
4658 Local<v8::Value> v8::StringObject::New(Handle<String> value) {
4659 i::Isolate* isolate = i::Isolate::Current();
4660 EnsureInitializedForIsolate(isolate, "v8::StringObject::New()");
4661 LOG_API(isolate, "StringObject::New");
4663 i::Handle<i::Object> obj =
4664 isolate->factory()->ToObject(Utils::OpenHandle(*value));
4665 return Utils::ToLocal(obj);
4669 Local<v8::String> v8::StringObject::StringValue() const {
4670 i::Isolate* isolate = i::Isolate::Current();
4671 if (IsDeadCheck(isolate, "v8::StringObject::StringValue()")) {
4672 return Local<v8::String>();
4674 LOG_API(isolate, "StringObject::StringValue");
4675 i::Handle<i::Object> obj = Utils::OpenHandle(this);
4676 i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
4677 return Utils::ToLocal(
4678 i::Handle<i::String>(i::String::cast(jsvalue->value())));
4682 Local<v8::Value> v8::Date::New(double time) {
4683 i::Isolate* isolate = i::Isolate::Current();
4684 EnsureInitializedForIsolate(isolate, "v8::Date::New()");
4685 LOG_API(isolate, "Date::New");
4687 // Introduce only canonical NaN value into the VM, to avoid signaling NaNs.
4688 time = i::OS::nan_value();
4691 EXCEPTION_PREAMBLE(isolate);
4692 i::Handle<i::Object> obj =
4693 i::Execution::NewDate(time, &has_pending_exception);
4694 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Value>());
4695 return Utils::ToLocal(obj);
4699 double v8::Date::NumberValue() const {
4700 i::Isolate* isolate = i::Isolate::Current();
4701 if (IsDeadCheck(isolate, "v8::Date::NumberValue()")) return 0;
4702 LOG_API(isolate, "Date::NumberValue");
4703 i::Handle<i::Object> obj = Utils::OpenHandle(this);
4704 i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
4705 return jsvalue->value()->Number();
4709 void v8::Date::DateTimeConfigurationChangeNotification() {
4710 i::Isolate* isolate = i::Isolate::Current();
4711 ON_BAILOUT(isolate, "v8::Date::DateTimeConfigurationChangeNotification()",
4713 LOG_API(isolate, "Date::DateTimeConfigurationChangeNotification");
4716 i::HandleScope scope(isolate);
4717 // Get the function ResetDateCache (defined in date-delay.js).
4718 i::Handle<i::String> func_name_str =
4719 isolate->factory()->LookupAsciiSymbol("ResetDateCache");
4720 i::MaybeObject* result =
4721 isolate->js_builtins_object()->GetProperty(*func_name_str);
4722 i::Object* object_func;
4723 if (!result->ToObject(&object_func)) {
4727 if (object_func->IsJSFunction()) {
4728 i::Handle<i::JSFunction> func =
4729 i::Handle<i::JSFunction>(i::JSFunction::cast(object_func));
4731 // Call ResetDateCache(0 but expect no exceptions:
4732 bool caught_exception = false;
4733 i::Execution::TryCall(func,
4734 isolate->js_builtins_object(),
4742 static i::Handle<i::String> RegExpFlagsToString(RegExp::Flags flags) {
4745 if ((flags & RegExp::kGlobal) != 0) flags_buf[num_flags++] = 'g';
4746 if ((flags & RegExp::kMultiline) != 0) flags_buf[num_flags++] = 'm';
4747 if ((flags & RegExp::kIgnoreCase) != 0) flags_buf[num_flags++] = 'i';
4748 ASSERT(num_flags <= static_cast<int>(ARRAY_SIZE(flags_buf)));
4749 return FACTORY->LookupSymbol(
4750 i::Vector<const char>(flags_buf, num_flags));
4754 Local<v8::RegExp> v8::RegExp::New(Handle<String> pattern,
4756 i::Isolate* isolate = Utils::OpenHandle(*pattern)->GetIsolate();
4757 EnsureInitializedForIsolate(isolate, "v8::RegExp::New()");
4758 LOG_API(isolate, "RegExp::New");
4760 EXCEPTION_PREAMBLE(isolate);
4761 i::Handle<i::JSRegExp> obj = i::Execution::NewJSRegExp(
4762 Utils::OpenHandle(*pattern),
4763 RegExpFlagsToString(flags),
4764 &has_pending_exception);
4765 EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::RegExp>());
4766 return Utils::ToLocal(i::Handle<i::JSRegExp>::cast(obj));
4770 Local<v8::String> v8::RegExp::GetSource() const {
4771 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
4772 if (IsDeadCheck(isolate, "v8::RegExp::GetSource()")) {
4773 return Local<v8::String>();
4775 i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this);
4776 return Utils::ToLocal(i::Handle<i::String>(obj->Pattern()));
4780 // Assert that the static flags cast in GetFlags is valid.
4781 #define REGEXP_FLAG_ASSERT_EQ(api_flag, internal_flag) \
4782 STATIC_ASSERT(static_cast<int>(v8::RegExp::api_flag) == \
4783 static_cast<int>(i::JSRegExp::internal_flag))
4784 REGEXP_FLAG_ASSERT_EQ(kNone, NONE);
4785 REGEXP_FLAG_ASSERT_EQ(kGlobal, GLOBAL);
4786 REGEXP_FLAG_ASSERT_EQ(kIgnoreCase, IGNORE_CASE);
4787 REGEXP_FLAG_ASSERT_EQ(kMultiline, MULTILINE);
4788 #undef REGEXP_FLAG_ASSERT_EQ
4790 v8::RegExp::Flags v8::RegExp::GetFlags() const {
4791 if (IsDeadCheck(i::Isolate::Current(), "v8::RegExp::GetFlags()")) {
4792 return v8::RegExp::kNone;
4794 i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this);
4795 return static_cast<RegExp::Flags>(obj->GetFlags().value());
4799 Local<v8::Array> v8::Array::New(int length) {
4800 i::Isolate* isolate = i::Isolate::Current();
4801 EnsureInitializedForIsolate(isolate, "v8::Array::New()");
4802 LOG_API(isolate, "Array::New");
4804 int real_length = length > 0 ? length : 0;
4805 i::Handle<i::JSArray> obj = isolate->factory()->NewJSArray(real_length);
4806 i::Handle<i::Object> length_obj =
4807 isolate->factory()->NewNumberFromInt(real_length);
4808 obj->set_length(*length_obj);
4809 return Utils::ToLocal(obj);
4813 uint32_t v8::Array::Length() const {
4814 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
4815 if (IsDeadCheck(isolate, "v8::Array::Length()")) return 0;
4816 i::Handle<i::JSArray> obj = Utils::OpenHandle(this);
4817 i::Object* length = obj->length();
4818 if (length->IsSmi()) {
4819 return i::Smi::cast(length)->value();
4821 return static_cast<uint32_t>(length->Number());
4826 Local<Object> Array::CloneElementAt(uint32_t index) {
4827 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
4828 ON_BAILOUT(isolate, "v8::Array::CloneElementAt()", return Local<Object>());
4829 i::Handle<i::JSObject> self = Utils::OpenHandle(this);
4830 if (!self->HasFastElements()) {
4831 return Local<Object>();
4833 i::FixedArray* elms = i::FixedArray::cast(self->elements());
4834 i::Object* paragon = elms->get(index);
4835 if (!paragon->IsJSObject()) {
4836 return Local<Object>();
4838 i::Handle<i::JSObject> paragon_handle(i::JSObject::cast(paragon));
4839 EXCEPTION_PREAMBLE(isolate);
4841 i::Handle<i::JSObject> result = i::Copy(paragon_handle);
4842 has_pending_exception = result.is_null();
4843 EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
4844 return Utils::ToLocal(result);
4848 Local<String> v8::String::NewSymbol(const char* data, int length) {
4849 i::Isolate* isolate = i::Isolate::Current();
4850 EnsureInitializedForIsolate(isolate, "v8::String::NewSymbol()");
4851 LOG_API(isolate, "String::NewSymbol(char)");
4853 if (length == -1) length = i::StrLength(data);
4854 i::Handle<i::String> result =
4855 isolate->factory()->LookupSymbol(i::Vector<const char>(data, length));
4856 return Utils::ToLocal(result);
4860 Local<Number> v8::Number::New(double value) {
4861 i::Isolate* isolate = i::Isolate::Current();
4862 EnsureInitializedForIsolate(isolate, "v8::Number::New()");
4864 // Introduce only canonical NaN value into the VM, to avoid signaling NaNs.
4865 value = i::OS::nan_value();
4868 i::Handle<i::Object> result = isolate->factory()->NewNumber(value);
4869 return Utils::NumberToLocal(result);
4873 Local<Integer> v8::Integer::New(int32_t value) {
4874 i::Isolate* isolate = i::Isolate::UncheckedCurrent();
4875 EnsureInitializedForIsolate(isolate, "v8::Integer::New()");
4876 if (i::Smi::IsValid(value)) {
4877 return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value),
4881 i::Handle<i::Object> result = isolate->factory()->NewNumber(value);
4882 return Utils::IntegerToLocal(result);
4886 Local<Integer> Integer::NewFromUnsigned(uint32_t value) {
4887 bool fits_into_int32_t = (value & (1 << 31)) == 0;
4888 if (fits_into_int32_t) {
4889 return Integer::New(static_cast<int32_t>(value));
4891 i::Isolate* isolate = i::Isolate::Current();
4893 i::Handle<i::Object> result = isolate->factory()->NewNumber(value);
4894 return Utils::IntegerToLocal(result);
4898 void V8::IgnoreOutOfMemoryException() {
4899 EnterIsolateIfNeeded()->set_ignore_out_of_memory(true);
4903 bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) {
4904 i::Isolate* isolate = i::Isolate::Current();
4905 EnsureInitializedForIsolate(isolate, "v8::V8::AddMessageListener()");
4906 ON_BAILOUT(isolate, "v8::V8::AddMessageListener()", return false);
4908 i::HandleScope scope(isolate);
4909 NeanderArray listeners(isolate->factory()->message_listeners());
4910 NeanderObject obj(2);
4911 obj.set(0, *isolate->factory()->NewForeign(FUNCTION_ADDR(that)));
4912 obj.set(1, data.IsEmpty() ?
4913 isolate->heap()->undefined_value() :
4914 *Utils::OpenHandle(*data));
4915 listeners.add(obj.value());
4920 void V8::RemoveMessageListeners(MessageCallback that) {
4921 i::Isolate* isolate = i::Isolate::Current();
4922 EnsureInitializedForIsolate(isolate, "v8::V8::RemoveMessageListener()");
4923 ON_BAILOUT(isolate, "v8::V8::RemoveMessageListeners()", return);
4925 i::HandleScope scope(isolate);
4926 NeanderArray listeners(isolate->factory()->message_listeners());
4927 for (int i = 0; i < listeners.length(); i++) {
4928 if (listeners.get(i)->IsUndefined()) continue; // skip deleted ones
4930 NeanderObject listener(i::JSObject::cast(listeners.get(i)));
4931 i::Handle<i::Foreign> callback_obj(i::Foreign::cast(listener.get(0)));
4932 if (callback_obj->foreign_address() == FUNCTION_ADDR(that)) {
4933 listeners.set(i, isolate->heap()->undefined_value());
4939 void V8::SetCaptureStackTraceForUncaughtExceptions(
4942 StackTrace::StackTraceOptions options) {
4943 i::Isolate::Current()->SetCaptureStackTraceForUncaughtExceptions(
4950 void V8::SetCounterFunction(CounterLookupCallback callback) {
4951 i::Isolate* isolate = EnterIsolateIfNeeded();
4952 if (IsDeadCheck(isolate, "v8::V8::SetCounterFunction()")) return;
4953 isolate->stats_table()->SetCounterFunction(callback);
4956 void V8::SetCreateHistogramFunction(CreateHistogramCallback callback) {
4957 i::Isolate* isolate = EnterIsolateIfNeeded();
4958 if (IsDeadCheck(isolate, "v8::V8::SetCreateHistogramFunction()")) return;
4959 isolate->stats_table()->SetCreateHistogramFunction(callback);
4962 void V8::SetAddHistogramSampleFunction(AddHistogramSampleCallback callback) {
4963 i::Isolate* isolate = EnterIsolateIfNeeded();
4964 if (IsDeadCheck(isolate, "v8::V8::SetAddHistogramSampleFunction()")) return;
4965 isolate->stats_table()->
4966 SetAddHistogramSampleFunction(callback);
4969 void V8::EnableSlidingStateWindow() {
4970 i::Isolate* isolate = i::Isolate::Current();
4971 if (IsDeadCheck(isolate, "v8::V8::EnableSlidingStateWindow()")) return;
4972 isolate->logger()->EnableSlidingStateWindow();
4976 void V8::SetFailedAccessCheckCallbackFunction(
4977 FailedAccessCheckCallback callback) {
4978 i::Isolate* isolate = i::Isolate::Current();
4979 if (IsDeadCheck(isolate, "v8::V8::SetFailedAccessCheckCallbackFunction()")) {
4982 isolate->SetFailedAccessCheckCallback(callback);
4985 void V8::AddObjectGroup(Persistent<Value>* objects,
4987 RetainedObjectInfo* info) {
4988 i::Isolate* isolate = i::Isolate::Current();
4989 if (IsDeadCheck(isolate, "v8::V8::AddObjectGroup()")) return;
4990 STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**));
4991 isolate->global_handles()->AddObjectGroup(
4992 reinterpret_cast<i::Object***>(objects), length, info);
4996 void V8::AddImplicitReferences(Persistent<Object> parent,
4997 Persistent<Value>* children,
4999 i::Isolate* isolate = i::Isolate::Current();
5000 if (IsDeadCheck(isolate, "v8::V8::AddImplicitReferences()")) return;
5001 STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**));
5002 isolate->global_handles()->AddImplicitReferences(
5003 i::Handle<i::HeapObject>::cast(Utils::OpenHandle(*parent)).location(),
5004 reinterpret_cast<i::Object***>(children), length);
5008 int V8::AdjustAmountOfExternalAllocatedMemory(int change_in_bytes) {
5009 i::Isolate* isolate = i::Isolate::Current();
5010 if (IsDeadCheck(isolate, "v8::V8::AdjustAmountOfExternalAllocatedMemory()")) {
5013 return isolate->heap()->AdjustAmountOfExternalAllocatedMemory(
5018 void V8::SetGlobalGCPrologueCallback(GCCallback callback) {
5019 i::Isolate* isolate = i::Isolate::Current();
5020 if (IsDeadCheck(isolate, "v8::V8::SetGlobalGCPrologueCallback()")) return;
5021 isolate->heap()->SetGlobalGCPrologueCallback(callback);
5025 void V8::SetGlobalGCEpilogueCallback(GCCallback callback) {
5026 i::Isolate* isolate = i::Isolate::Current();
5027 if (IsDeadCheck(isolate, "v8::V8::SetGlobalGCEpilogueCallback()")) return;
5028 isolate->heap()->SetGlobalGCEpilogueCallback(callback);
5032 void V8::AddGCPrologueCallback(GCPrologueCallback callback, GCType gc_type) {
5033 i::Isolate* isolate = i::Isolate::Current();
5034 if (IsDeadCheck(isolate, "v8::V8::AddGCPrologueCallback()")) return;
5035 isolate->heap()->AddGCPrologueCallback(callback, gc_type);
5039 void V8::RemoveGCPrologueCallback(GCPrologueCallback callback) {
5040 i::Isolate* isolate = i::Isolate::Current();
5041 if (IsDeadCheck(isolate, "v8::V8::RemoveGCPrologueCallback()")) return;
5042 isolate->heap()->RemoveGCPrologueCallback(callback);
5046 void V8::AddGCEpilogueCallback(GCEpilogueCallback callback, GCType gc_type) {
5047 i::Isolate* isolate = i::Isolate::Current();
5048 if (IsDeadCheck(isolate, "v8::V8::AddGCEpilogueCallback()")) return;
5049 isolate->heap()->AddGCEpilogueCallback(callback, gc_type);
5053 void V8::RemoveGCEpilogueCallback(GCEpilogueCallback callback) {
5054 i::Isolate* isolate = i::Isolate::Current();
5055 if (IsDeadCheck(isolate, "v8::V8::RemoveGCEpilogueCallback()")) return;
5056 isolate->heap()->RemoveGCEpilogueCallback(callback);
5060 void V8::AddMemoryAllocationCallback(MemoryAllocationCallback callback,
5062 AllocationAction action) {
5063 i::Isolate* isolate = i::Isolate::Current();
5064 if (IsDeadCheck(isolate, "v8::V8::AddMemoryAllocationCallback()")) return;
5065 isolate->memory_allocator()->AddMemoryAllocationCallback(
5066 callback, space, action);
5070 void V8::RemoveMemoryAllocationCallback(MemoryAllocationCallback callback) {
5071 i::Isolate* isolate = i::Isolate::Current();
5072 if (IsDeadCheck(isolate, "v8::V8::RemoveMemoryAllocationCallback()")) return;
5073 isolate->memory_allocator()->RemoveMemoryAllocationCallback(
5078 void V8::PauseProfiler() {
5079 i::Isolate* isolate = i::Isolate::Current();
5080 isolate->logger()->PauseProfiler();
5084 void V8::ResumeProfiler() {
5085 i::Isolate* isolate = i::Isolate::Current();
5086 isolate->logger()->ResumeProfiler();
5090 bool V8::IsProfilerPaused() {
5091 i::Isolate* isolate = i::Isolate::Current();
5092 return isolate->logger()->IsProfilerPaused();
5096 int V8::GetCurrentThreadId() {
5097 i::Isolate* isolate = i::Isolate::Current();
5098 EnsureInitializedForIsolate(isolate, "V8::GetCurrentThreadId()");
5099 return isolate->thread_id().ToInteger();
5103 void V8::TerminateExecution(int thread_id) {
5104 i::Isolate* isolate = i::Isolate::Current();
5105 if (!isolate->IsInitialized()) return;
5106 API_ENTRY_CHECK(isolate, "V8::TerminateExecution()");
5107 // If the thread_id identifies the current thread just terminate
5108 // execution right away. Otherwise, ask the thread manager to
5109 // terminate the thread with the given id if any.
5110 i::ThreadId internal_tid = i::ThreadId::FromInteger(thread_id);
5111 if (isolate->thread_id().Equals(internal_tid)) {
5112 isolate->stack_guard()->TerminateExecution();
5114 isolate->thread_manager()->TerminateExecution(internal_tid);
5119 void V8::TerminateExecution(Isolate* isolate) {
5120 // If no isolate is supplied, use the default isolate.
5121 if (isolate != NULL) {
5122 reinterpret_cast<i::Isolate*>(isolate)->stack_guard()->TerminateExecution();
5124 i::Isolate::GetDefaultIsolateStackGuard()->TerminateExecution();
5129 bool V8::IsExecutionTerminating(Isolate* isolate) {
5130 i::Isolate* i_isolate = isolate != NULL ?
5131 reinterpret_cast<i::Isolate*>(isolate) : i::Isolate::Current();
5132 return IsExecutionTerminatingCheck(i_isolate);
5136 Isolate* Isolate::GetCurrent() {
5137 i::Isolate* isolate = i::Isolate::UncheckedCurrent();
5138 return reinterpret_cast<Isolate*>(isolate);
5142 Isolate* Isolate::New() {
5143 i::Isolate* isolate = new i::Isolate();
5144 return reinterpret_cast<Isolate*>(isolate);
5148 void Isolate::Dispose() {
5149 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
5150 if (!ApiCheck(!isolate->IsInUse(),
5151 "v8::Isolate::Dispose()",
5152 "Disposing the isolate that is entered by a thread.")) {
5155 isolate->TearDown();
5159 void Isolate::Enter() {
5160 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
5165 void Isolate::Exit() {
5166 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
5171 void Isolate::SetData(void* data) {
5172 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
5173 isolate->SetData(data);
5176 void* Isolate::GetData() {
5177 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
5178 return isolate->GetData();
5182 String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj)
5183 : str_(NULL), length_(0) {
5184 i::Isolate* isolate = i::Isolate::Current();
5185 if (IsDeadCheck(isolate, "v8::String::Utf8Value::Utf8Value()")) return;
5186 if (obj.IsEmpty()) return;
5188 i::HandleScope scope(isolate);
5190 Handle<String> str = obj->ToString();
5191 if (str.IsEmpty()) return;
5192 length_ = str->Utf8Length();
5193 str_ = i::NewArray<char>(length_ + 1);
5194 str->WriteUtf8(str_);
5198 String::Utf8Value::~Utf8Value() {
5199 i::DeleteArray(str_);
5203 String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj)
5204 : str_(NULL), length_(0) {
5205 i::Isolate* isolate = i::Isolate::Current();
5206 if (IsDeadCheck(isolate, "v8::String::AsciiValue::AsciiValue()")) return;
5207 if (obj.IsEmpty()) return;
5209 i::HandleScope scope(isolate);
5211 Handle<String> str = obj->ToString();
5212 if (str.IsEmpty()) return;
5213 length_ = str->Length();
5214 str_ = i::NewArray<char>(length_ + 1);
5215 str->WriteAscii(str_);
5219 String::AsciiValue::~AsciiValue() {
5220 i::DeleteArray(str_);
5224 String::Value::Value(v8::Handle<v8::Value> obj)
5225 : str_(NULL), length_(0) {
5226 i::Isolate* isolate = i::Isolate::Current();
5227 if (IsDeadCheck(isolate, "v8::String::Value::Value()")) return;
5228 if (obj.IsEmpty()) return;
5230 i::HandleScope scope(isolate);
5232 Handle<String> str = obj->ToString();
5233 if (str.IsEmpty()) return;
5234 length_ = str->Length();
5235 str_ = i::NewArray<uint16_t>(length_ + 1);
5240 String::Value::~Value() {
5241 i::DeleteArray(str_);
5244 Local<Value> Exception::RangeError(v8::Handle<v8::String> raw_message) {
5245 i::Isolate* isolate = i::Isolate::Current();
5246 LOG_API(isolate, "RangeError");
5247 ON_BAILOUT(isolate, "v8::Exception::RangeError()", return Local<Value>());
5251 i::HandleScope scope(isolate);
5252 i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
5253 i::Handle<i::Object> result = isolate->factory()->NewRangeError(message);
5256 i::Handle<i::Object> result(error);
5257 return Utils::ToLocal(result);
5260 Local<Value> Exception::ReferenceError(v8::Handle<v8::String> raw_message) {
5261 i::Isolate* isolate = i::Isolate::Current();
5262 LOG_API(isolate, "ReferenceError");
5263 ON_BAILOUT(isolate, "v8::Exception::ReferenceError()", return Local<Value>());
5267 i::HandleScope scope(isolate);
5268 i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
5269 i::Handle<i::Object> result =
5270 isolate->factory()->NewReferenceError(message);
5273 i::Handle<i::Object> result(error);
5274 return Utils::ToLocal(result);
5277 Local<Value> Exception::SyntaxError(v8::Handle<v8::String> raw_message) {
5278 i::Isolate* isolate = i::Isolate::Current();
5279 LOG_API(isolate, "SyntaxError");
5280 ON_BAILOUT(isolate, "v8::Exception::SyntaxError()", return Local<Value>());
5284 i::HandleScope scope(isolate);
5285 i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
5286 i::Handle<i::Object> result = isolate->factory()->NewSyntaxError(message);
5289 i::Handle<i::Object> result(error);
5290 return Utils::ToLocal(result);
5293 Local<Value> Exception::TypeError(v8::Handle<v8::String> raw_message) {
5294 i::Isolate* isolate = i::Isolate::Current();
5295 LOG_API(isolate, "TypeError");
5296 ON_BAILOUT(isolate, "v8::Exception::TypeError()", return Local<Value>());
5300 i::HandleScope scope(isolate);
5301 i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
5302 i::Handle<i::Object> result = isolate->factory()->NewTypeError(message);
5305 i::Handle<i::Object> result(error);
5306 return Utils::ToLocal(result);
5309 Local<Value> Exception::Error(v8::Handle<v8::String> raw_message) {
5310 i::Isolate* isolate = i::Isolate::Current();
5311 LOG_API(isolate, "Error");
5312 ON_BAILOUT(isolate, "v8::Exception::Error()", return Local<Value>());
5316 i::HandleScope scope(isolate);
5317 i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
5318 i::Handle<i::Object> result = isolate->factory()->NewError(message);
5321 i::Handle<i::Object> result(error);
5322 return Utils::ToLocal(result);
5326 // --- D e b u g S u p p o r t ---
5328 #ifdef ENABLE_DEBUGGER_SUPPORT
5330 static void EventCallbackWrapper(const v8::Debug::EventDetails& event_details) {
5331 i::Isolate* isolate = i::Isolate::Current();
5332 if (isolate->debug_event_callback() != NULL) {
5333 isolate->debug_event_callback()(event_details.GetEvent(),
5334 event_details.GetExecutionState(),
5335 event_details.GetEventData(),
5336 event_details.GetCallbackData());
5341 bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) {
5342 i::Isolate* isolate = i::Isolate::Current();
5343 EnsureInitializedForIsolate(isolate, "v8::Debug::SetDebugEventListener()");
5344 ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener()", return false);
5347 isolate->set_debug_event_callback(that);
5349 i::HandleScope scope(isolate);
5350 i::Handle<i::Object> foreign = isolate->factory()->undefined_value();
5353 isolate->factory()->NewForeign(FUNCTION_ADDR(EventCallbackWrapper));
5355 isolate->debugger()->SetEventListener(foreign, Utils::OpenHandle(*data));
5360 bool Debug::SetDebugEventListener2(EventCallback2 that, Handle<Value> data) {
5361 i::Isolate* isolate = i::Isolate::Current();
5362 EnsureInitializedForIsolate(isolate, "v8::Debug::SetDebugEventListener2()");
5363 ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener2()", return false);
5365 i::HandleScope scope(isolate);
5366 i::Handle<i::Object> foreign = isolate->factory()->undefined_value();
5368 foreign = isolate->factory()->NewForeign(FUNCTION_ADDR(that));
5370 isolate->debugger()->SetEventListener(foreign, Utils::OpenHandle(*data));
5375 bool Debug::SetDebugEventListener(v8::Handle<v8::Object> that,
5376 Handle<Value> data) {
5377 i::Isolate* isolate = i::Isolate::Current();
5378 ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener()", return false);
5380 isolate->debugger()->SetEventListener(Utils::OpenHandle(*that),
5381 Utils::OpenHandle(*data));
5386 void Debug::DebugBreak(Isolate* isolate) {
5387 // If no isolate is supplied, use the default isolate.
5388 if (isolate != NULL) {
5389 reinterpret_cast<i::Isolate*>(isolate)->stack_guard()->DebugBreak();
5391 i::Isolate::GetDefaultIsolateStackGuard()->DebugBreak();
5396 void Debug::CancelDebugBreak(Isolate* isolate) {
5397 // If no isolate is supplied, use the default isolate.
5398 if (isolate != NULL) {
5399 i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
5400 internal_isolate->stack_guard()->Continue(i::DEBUGBREAK);
5402 i::Isolate::GetDefaultIsolateStackGuard()->Continue(i::DEBUGBREAK);
5407 void Debug::DebugBreakForCommand(ClientData* data, Isolate* isolate) {
5408 // If no isolate is supplied, use the default isolate.
5409 if (isolate != NULL) {
5410 i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
5411 internal_isolate->debugger()->EnqueueDebugCommand(data);
5413 i::Isolate::GetDefaultIsolateDebugger()->EnqueueDebugCommand(data);
5418 static void MessageHandlerWrapper(const v8::Debug::Message& message) {
5419 i::Isolate* isolate = i::Isolate::Current();
5420 if (isolate->message_handler()) {
5421 v8::String::Value json(message.GetJSON());
5422 (isolate->message_handler())(*json, json.length(), message.GetClientData());
5427 void Debug::SetMessageHandler(v8::Debug::MessageHandler handler,
5428 bool message_handler_thread) {
5429 i::Isolate* isolate = i::Isolate::Current();
5430 EnsureInitializedForIsolate(isolate, "v8::Debug::SetMessageHandler");
5433 // Message handler thread not supported any more. Parameter temporally left in
5434 // the API for client compatibility reasons.
5435 CHECK(!message_handler_thread);
5437 // TODO(sgjesse) support the old message handler API through a simple wrapper.
5438 isolate->set_message_handler(handler);
5439 if (handler != NULL) {
5440 isolate->debugger()->SetMessageHandler(MessageHandlerWrapper);
5442 isolate->debugger()->SetMessageHandler(NULL);
5447 void Debug::SetMessageHandler2(v8::Debug::MessageHandler2 handler) {
5448 i::Isolate* isolate = i::Isolate::Current();
5449 EnsureInitializedForIsolate(isolate, "v8::Debug::SetMessageHandler");
5451 isolate->debugger()->SetMessageHandler(handler);
5455 void Debug::SendCommand(const uint16_t* command, int length,
5456 ClientData* client_data,
5458 // If no isolate is supplied, use the default isolate.
5459 if (isolate != NULL) {
5460 i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
5461 internal_isolate->debugger()->ProcessCommand(
5462 i::Vector<const uint16_t>(command, length), client_data);
5464 i::Isolate::GetDefaultIsolateDebugger()->ProcessCommand(
5465 i::Vector<const uint16_t>(command, length), client_data);
5470 void Debug::SetHostDispatchHandler(HostDispatchHandler handler,
5472 i::Isolate* isolate = i::Isolate::Current();
5473 EnsureInitializedForIsolate(isolate, "v8::Debug::SetHostDispatchHandler");
5475 isolate->debugger()->SetHostDispatchHandler(handler, period);
5479 void Debug::SetDebugMessageDispatchHandler(
5480 DebugMessageDispatchHandler handler, bool provide_locker) {
5481 i::Isolate* isolate = i::Isolate::Current();
5482 EnsureInitializedForIsolate(isolate,
5483 "v8::Debug::SetDebugMessageDispatchHandler");
5485 isolate->debugger()->SetDebugMessageDispatchHandler(
5486 handler, provide_locker);
5490 Local<Value> Debug::Call(v8::Handle<v8::Function> fun,
5491 v8::Handle<v8::Value> data) {
5492 i::Isolate* isolate = i::Isolate::Current();
5493 if (!isolate->IsInitialized()) return Local<Value>();
5494 ON_BAILOUT(isolate, "v8::Debug::Call()", return Local<Value>());
5496 i::Handle<i::Object> result;
5497 EXCEPTION_PREAMBLE(isolate);
5498 if (data.IsEmpty()) {
5499 result = isolate->debugger()->Call(Utils::OpenHandle(*fun),
5500 isolate->factory()->undefined_value(),
5501 &has_pending_exception);
5503 result = isolate->debugger()->Call(Utils::OpenHandle(*fun),
5504 Utils::OpenHandle(*data),
5505 &has_pending_exception);
5507 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
5508 return Utils::ToLocal(result);
5512 Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) {
5513 i::Isolate* isolate = i::Isolate::Current();
5514 if (!isolate->IsInitialized()) return Local<Value>();
5515 ON_BAILOUT(isolate, "v8::Debug::GetMirror()", return Local<Value>());
5517 v8::HandleScope scope;
5518 i::Debug* isolate_debug = isolate->debug();
5519 isolate_debug->Load();
5520 i::Handle<i::JSObject> debug(isolate_debug->debug_context()->global());
5521 i::Handle<i::String> name =
5522 isolate->factory()->LookupAsciiSymbol("MakeMirror");
5523 i::Handle<i::Object> fun_obj = i::GetProperty(debug, name);
5524 i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj);
5525 v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun);
5526 const int kArgc = 1;
5527 v8::Handle<v8::Value> argv[kArgc] = { obj };
5528 EXCEPTION_PREAMBLE(isolate);
5529 v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug),
5532 EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
5533 return scope.Close(result);
5537 bool Debug::EnableAgent(const char* name, int port, bool wait_for_connection) {
5538 return i::Isolate::Current()->debugger()->StartAgent(name, port,
5539 wait_for_connection);
5543 void Debug::DisableAgent() {
5544 return i::Isolate::Current()->debugger()->StopAgent();
5548 void Debug::ProcessDebugMessages() {
5549 i::Execution::ProcessDebugMesssages(true);
5552 Local<Context> Debug::GetDebugContext() {
5553 i::Isolate* isolate = i::Isolate::Current();
5554 EnsureInitializedForIsolate(isolate, "v8::Debug::GetDebugContext()");
5556 return Utils::ToLocal(i::Isolate::Current()->debugger()->GetDebugContext());
5559 #endif // ENABLE_DEBUGGER_SUPPORT
5562 Handle<String> CpuProfileNode::GetFunctionName() const {
5563 i::Isolate* isolate = i::Isolate::Current();
5564 IsDeadCheck(isolate, "v8::CpuProfileNode::GetFunctionName");
5565 const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
5566 const i::CodeEntry* entry = node->entry();
5567 if (!entry->has_name_prefix()) {
5568 return Handle<String>(ToApi<String>(
5569 isolate->factory()->LookupAsciiSymbol(entry->name())));
5571 return Handle<String>(ToApi<String>(isolate->factory()->NewConsString(
5572 isolate->factory()->LookupAsciiSymbol(entry->name_prefix()),
5573 isolate->factory()->LookupAsciiSymbol(entry->name()))));
5578 Handle<String> CpuProfileNode::GetScriptResourceName() const {
5579 i::Isolate* isolate = i::Isolate::Current();
5580 IsDeadCheck(isolate, "v8::CpuProfileNode::GetScriptResourceName");
5581 const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
5582 return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
5583 node->entry()->resource_name())));
5587 int CpuProfileNode::GetLineNumber() const {
5588 i::Isolate* isolate = i::Isolate::Current();
5589 IsDeadCheck(isolate, "v8::CpuProfileNode::GetLineNumber");
5590 return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number();
5594 double CpuProfileNode::GetTotalTime() const {
5595 i::Isolate* isolate = i::Isolate::Current();
5596 IsDeadCheck(isolate, "v8::CpuProfileNode::GetTotalTime");
5597 return reinterpret_cast<const i::ProfileNode*>(this)->GetTotalMillis();
5601 double CpuProfileNode::GetSelfTime() const {
5602 i::Isolate* isolate = i::Isolate::Current();
5603 IsDeadCheck(isolate, "v8::CpuProfileNode::GetSelfTime");
5604 return reinterpret_cast<const i::ProfileNode*>(this)->GetSelfMillis();
5608 double CpuProfileNode::GetTotalSamplesCount() const {
5609 i::Isolate* isolate = i::Isolate::Current();
5610 IsDeadCheck(isolate, "v8::CpuProfileNode::GetTotalSamplesCount");
5611 return reinterpret_cast<const i::ProfileNode*>(this)->total_ticks();
5615 double CpuProfileNode::GetSelfSamplesCount() const {
5616 i::Isolate* isolate = i::Isolate::Current();
5617 IsDeadCheck(isolate, "v8::CpuProfileNode::GetSelfSamplesCount");
5618 return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks();
5622 unsigned CpuProfileNode::GetCallUid() const {
5623 i::Isolate* isolate = i::Isolate::Current();
5624 IsDeadCheck(isolate, "v8::CpuProfileNode::GetCallUid");
5625 return reinterpret_cast<const i::ProfileNode*>(this)->entry()->GetCallUid();
5629 int CpuProfileNode::GetChildrenCount() const {
5630 i::Isolate* isolate = i::Isolate::Current();
5631 IsDeadCheck(isolate, "v8::CpuProfileNode::GetChildrenCount");
5632 return reinterpret_cast<const i::ProfileNode*>(this)->children()->length();
5636 const CpuProfileNode* CpuProfileNode::GetChild(int index) const {
5637 i::Isolate* isolate = i::Isolate::Current();
5638 IsDeadCheck(isolate, "v8::CpuProfileNode::GetChild");
5639 const i::ProfileNode* child =
5640 reinterpret_cast<const i::ProfileNode*>(this)->children()->at(index);
5641 return reinterpret_cast<const CpuProfileNode*>(child);
5645 void CpuProfile::Delete() {
5646 i::Isolate* isolate = i::Isolate::Current();
5647 IsDeadCheck(isolate, "v8::CpuProfile::Delete");
5648 i::CpuProfiler::DeleteProfile(reinterpret_cast<i::CpuProfile*>(this));
5649 if (i::CpuProfiler::GetProfilesCount() == 0 &&
5650 !i::CpuProfiler::HasDetachedProfiles()) {
5651 // If this was the last profile, clean up all accessory data as well.
5652 i::CpuProfiler::DeleteAllProfiles();
5657 unsigned CpuProfile::GetUid() const {
5658 i::Isolate* isolate = i::Isolate::Current();
5659 IsDeadCheck(isolate, "v8::CpuProfile::GetUid");
5660 return reinterpret_cast<const i::CpuProfile*>(this)->uid();
5664 Handle<String> CpuProfile::GetTitle() const {
5665 i::Isolate* isolate = i::Isolate::Current();
5666 IsDeadCheck(isolate, "v8::CpuProfile::GetTitle");
5667 const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
5668 return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
5669 profile->title())));
5673 const CpuProfileNode* CpuProfile::GetBottomUpRoot() const {
5674 i::Isolate* isolate = i::Isolate::Current();
5675 IsDeadCheck(isolate, "v8::CpuProfile::GetBottomUpRoot");
5676 const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
5677 return reinterpret_cast<const CpuProfileNode*>(profile->bottom_up()->root());
5681 const CpuProfileNode* CpuProfile::GetTopDownRoot() const {
5682 i::Isolate* isolate = i::Isolate::Current();
5683 IsDeadCheck(isolate, "v8::CpuProfile::GetTopDownRoot");
5684 const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
5685 return reinterpret_cast<const CpuProfileNode*>(profile->top_down()->root());
5689 int CpuProfiler::GetProfilesCount() {
5690 i::Isolate* isolate = i::Isolate::Current();
5691 IsDeadCheck(isolate, "v8::CpuProfiler::GetProfilesCount");
5692 return i::CpuProfiler::GetProfilesCount();
5696 const CpuProfile* CpuProfiler::GetProfile(int index,
5697 Handle<Value> security_token) {
5698 i::Isolate* isolate = i::Isolate::Current();
5699 IsDeadCheck(isolate, "v8::CpuProfiler::GetProfile");
5700 return reinterpret_cast<const CpuProfile*>(
5701 i::CpuProfiler::GetProfile(
5702 security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token),
5707 const CpuProfile* CpuProfiler::FindProfile(unsigned uid,
5708 Handle<Value> security_token) {
5709 i::Isolate* isolate = i::Isolate::Current();
5710 IsDeadCheck(isolate, "v8::CpuProfiler::FindProfile");
5711 return reinterpret_cast<const CpuProfile*>(
5712 i::CpuProfiler::FindProfile(
5713 security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token),
5718 void CpuProfiler::StartProfiling(Handle<String> title) {
5719 i::Isolate* isolate = i::Isolate::Current();
5720 IsDeadCheck(isolate, "v8::CpuProfiler::StartProfiling");
5721 i::CpuProfiler::StartProfiling(*Utils::OpenHandle(*title));
5725 const CpuProfile* CpuProfiler::StopProfiling(Handle<String> title,
5726 Handle<Value> security_token) {
5727 i::Isolate* isolate = i::Isolate::Current();
5728 IsDeadCheck(isolate, "v8::CpuProfiler::StopProfiling");
5729 return reinterpret_cast<const CpuProfile*>(
5730 i::CpuProfiler::StopProfiling(
5731 security_token.IsEmpty() ? NULL : *Utils::OpenHandle(*security_token),
5732 *Utils::OpenHandle(*title)));
5736 void CpuProfiler::DeleteAllProfiles() {
5737 i::Isolate* isolate = i::Isolate::Current();
5738 IsDeadCheck(isolate, "v8::CpuProfiler::DeleteAllProfiles");
5739 i::CpuProfiler::DeleteAllProfiles();
5743 static i::HeapGraphEdge* ToInternal(const HeapGraphEdge* edge) {
5744 return const_cast<i::HeapGraphEdge*>(
5745 reinterpret_cast<const i::HeapGraphEdge*>(edge));
5749 HeapGraphEdge::Type HeapGraphEdge::GetType() const {
5750 i::Isolate* isolate = i::Isolate::Current();
5751 IsDeadCheck(isolate, "v8::HeapGraphEdge::GetType");
5752 return static_cast<HeapGraphEdge::Type>(ToInternal(this)->type());
5756 Handle<Value> HeapGraphEdge::GetName() const {
5757 i::Isolate* isolate = i::Isolate::Current();
5758 IsDeadCheck(isolate, "v8::HeapGraphEdge::GetName");
5759 i::HeapGraphEdge* edge = ToInternal(this);
5760 switch (edge->type()) {
5761 case i::HeapGraphEdge::kContextVariable:
5762 case i::HeapGraphEdge::kInternal:
5763 case i::HeapGraphEdge::kProperty:
5764 case i::HeapGraphEdge::kShortcut:
5765 return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
5767 case i::HeapGraphEdge::kElement:
5768 case i::HeapGraphEdge::kHidden:
5769 return Handle<Number>(ToApi<Number>(isolate->factory()->NewNumberFromInt(
5771 default: UNREACHABLE();
5773 return v8::Undefined();
5777 const HeapGraphNode* HeapGraphEdge::GetFromNode() const {
5778 i::Isolate* isolate = i::Isolate::Current();
5779 IsDeadCheck(isolate, "v8::HeapGraphEdge::GetFromNode");
5780 const i::HeapEntry* from = ToInternal(this)->From();
5781 return reinterpret_cast<const HeapGraphNode*>(from);
5785 const HeapGraphNode* HeapGraphEdge::GetToNode() const {
5786 i::Isolate* isolate = i::Isolate::Current();
5787 IsDeadCheck(isolate, "v8::HeapGraphEdge::GetToNode");
5788 const i::HeapEntry* to = ToInternal(this)->to();
5789 return reinterpret_cast<const HeapGraphNode*>(to);
5793 static i::HeapEntry* ToInternal(const HeapGraphNode* entry) {
5794 return const_cast<i::HeapEntry*>(
5795 reinterpret_cast<const i::HeapEntry*>(entry));
5799 HeapGraphNode::Type HeapGraphNode::GetType() const {
5800 i::Isolate* isolate = i::Isolate::Current();
5801 IsDeadCheck(isolate, "v8::HeapGraphNode::GetType");
5802 return static_cast<HeapGraphNode::Type>(ToInternal(this)->type());
5806 Handle<String> HeapGraphNode::GetName() const {
5807 i::Isolate* isolate = i::Isolate::Current();
5808 IsDeadCheck(isolate, "v8::HeapGraphNode::GetName");
5809 return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
5810 ToInternal(this)->name())));
5814 uint64_t HeapGraphNode::GetId() const {
5815 i::Isolate* isolate = i::Isolate::Current();
5816 IsDeadCheck(isolate, "v8::HeapGraphNode::GetId");
5817 return ToInternal(this)->id();
5821 int HeapGraphNode::GetSelfSize() const {
5822 i::Isolate* isolate = i::Isolate::Current();
5823 IsDeadCheck(isolate, "v8::HeapGraphNode::GetSelfSize");
5824 return ToInternal(this)->self_size();
5828 int HeapGraphNode::GetRetainedSize(bool exact) const {
5829 i::Isolate* isolate = i::Isolate::Current();
5830 IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainedSize");
5831 return ToInternal(this)->RetainedSize(exact);
5835 int HeapGraphNode::GetChildrenCount() const {
5836 i::Isolate* isolate = i::Isolate::Current();
5837 IsDeadCheck(isolate, "v8::HeapSnapshot::GetChildrenCount");
5838 return ToInternal(this)->children().length();
5842 const HeapGraphEdge* HeapGraphNode::GetChild(int index) const {
5843 i::Isolate* isolate = i::Isolate::Current();
5844 IsDeadCheck(isolate, "v8::HeapSnapshot::GetChild");
5845 return reinterpret_cast<const HeapGraphEdge*>(
5846 &ToInternal(this)->children()[index]);
5850 int HeapGraphNode::GetRetainersCount() const {
5851 i::Isolate* isolate = i::Isolate::Current();
5852 IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainersCount");
5853 return ToInternal(this)->retainers().length();
5857 const HeapGraphEdge* HeapGraphNode::GetRetainer(int index) const {
5858 i::Isolate* isolate = i::Isolate::Current();
5859 IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainer");
5860 return reinterpret_cast<const HeapGraphEdge*>(
5861 ToInternal(this)->retainers()[index]);
5865 const HeapGraphNode* HeapGraphNode::GetDominatorNode() const {
5866 i::Isolate* isolate = i::Isolate::Current();
5867 IsDeadCheck(isolate, "v8::HeapSnapshot::GetDominatorNode");
5868 return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->dominator());
5872 v8::Handle<v8::Value> HeapGraphNode::GetHeapValue() const {
5873 i::Isolate* isolate = i::Isolate::Current();
5874 IsDeadCheck(isolate, "v8::HeapGraphNode::GetHeapValue");
5875 i::Handle<i::HeapObject> object = ToInternal(this)->GetHeapObject();
5876 return v8::Handle<Value>(!object.is_null() ?
5877 ToApi<Value>(object) : ToApi<Value>(
5878 isolate->factory()->undefined_value()));
5882 static i::HeapSnapshot* ToInternal(const HeapSnapshot* snapshot) {
5883 return const_cast<i::HeapSnapshot*>(
5884 reinterpret_cast<const i::HeapSnapshot*>(snapshot));
5888 void HeapSnapshot::Delete() {
5889 i::Isolate* isolate = i::Isolate::Current();
5890 IsDeadCheck(isolate, "v8::HeapSnapshot::Delete");
5891 if (i::HeapProfiler::GetSnapshotsCount() > 1) {
5892 ToInternal(this)->Delete();
5894 // If this is the last snapshot, clean up all accessory data as well.
5895 i::HeapProfiler::DeleteAllSnapshots();
5900 HeapSnapshot::Type HeapSnapshot::GetType() const {
5901 i::Isolate* isolate = i::Isolate::Current();
5902 IsDeadCheck(isolate, "v8::HeapSnapshot::GetType");
5903 return static_cast<HeapSnapshot::Type>(ToInternal(this)->type());
5907 unsigned HeapSnapshot::GetUid() const {
5908 i::Isolate* isolate = i::Isolate::Current();
5909 IsDeadCheck(isolate, "v8::HeapSnapshot::GetUid");
5910 return ToInternal(this)->uid();
5914 Handle<String> HeapSnapshot::GetTitle() const {
5915 i::Isolate* isolate = i::Isolate::Current();
5916 IsDeadCheck(isolate, "v8::HeapSnapshot::GetTitle");
5917 return Handle<String>(ToApi<String>(isolate->factory()->LookupAsciiSymbol(
5918 ToInternal(this)->title())));
5922 const HeapGraphNode* HeapSnapshot::GetRoot() const {
5923 i::Isolate* isolate = i::Isolate::Current();
5924 IsDeadCheck(isolate, "v8::HeapSnapshot::GetHead");
5925 return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->root());
5929 const HeapGraphNode* HeapSnapshot::GetNodeById(uint64_t id) const {
5930 i::Isolate* isolate = i::Isolate::Current();
5931 IsDeadCheck(isolate, "v8::HeapSnapshot::GetNodeById");
5932 return reinterpret_cast<const HeapGraphNode*>(
5933 ToInternal(this)->GetEntryById(id));
5937 int HeapSnapshot::GetNodesCount() const {
5938 i::Isolate* isolate = i::Isolate::Current();
5939 IsDeadCheck(isolate, "v8::HeapSnapshot::GetNodesCount");
5940 return ToInternal(this)->entries()->length();
5944 const HeapGraphNode* HeapSnapshot::GetNode(int index) const {
5945 i::Isolate* isolate = i::Isolate::Current();
5946 IsDeadCheck(isolate, "v8::HeapSnapshot::GetNode");
5947 return reinterpret_cast<const HeapGraphNode*>(
5948 ToInternal(this)->entries()->at(index));
5952 void HeapSnapshot::Serialize(OutputStream* stream,
5953 HeapSnapshot::SerializationFormat format) const {
5954 i::Isolate* isolate = i::Isolate::Current();
5955 IsDeadCheck(isolate, "v8::HeapSnapshot::Serialize");
5956 ApiCheck(format == kJSON,
5957 "v8::HeapSnapshot::Serialize",
5958 "Unknown serialization format");
5959 ApiCheck(stream->GetOutputEncoding() == OutputStream::kAscii,
5960 "v8::HeapSnapshot::Serialize",
5961 "Unsupported output encoding");
5962 ApiCheck(stream->GetChunkSize() > 0,
5963 "v8::HeapSnapshot::Serialize",
5964 "Invalid stream chunk size");
5965 i::HeapSnapshotJSONSerializer serializer(ToInternal(this));
5966 serializer.Serialize(stream);
5970 int HeapProfiler::GetSnapshotsCount() {
5971 i::Isolate* isolate = i::Isolate::Current();
5972 IsDeadCheck(isolate, "v8::HeapProfiler::GetSnapshotsCount");
5973 return i::HeapProfiler::GetSnapshotsCount();
5977 const HeapSnapshot* HeapProfiler::GetSnapshot(int index) {
5978 i::Isolate* isolate = i::Isolate::Current();
5979 IsDeadCheck(isolate, "v8::HeapProfiler::GetSnapshot");
5980 return reinterpret_cast<const HeapSnapshot*>(
5981 i::HeapProfiler::GetSnapshot(index));
5985 const HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) {
5986 i::Isolate* isolate = i::Isolate::Current();
5987 IsDeadCheck(isolate, "v8::HeapProfiler::FindSnapshot");
5988 return reinterpret_cast<const HeapSnapshot*>(
5989 i::HeapProfiler::FindSnapshot(uid));
5993 const HeapSnapshot* HeapProfiler::TakeSnapshot(Handle<String> title,
5994 HeapSnapshot::Type type,
5995 ActivityControl* control) {
5996 i::Isolate* isolate = i::Isolate::Current();
5997 IsDeadCheck(isolate, "v8::HeapProfiler::TakeSnapshot");
5998 i::HeapSnapshot::Type internal_type = i::HeapSnapshot::kFull;
6000 case HeapSnapshot::kFull:
6001 internal_type = i::HeapSnapshot::kFull;
6006 return reinterpret_cast<const HeapSnapshot*>(
6007 i::HeapProfiler::TakeSnapshot(
6008 *Utils::OpenHandle(*title), internal_type, control));
6012 void HeapProfiler::DeleteAllSnapshots() {
6013 i::Isolate* isolate = i::Isolate::Current();
6014 IsDeadCheck(isolate, "v8::HeapProfiler::DeleteAllSnapshots");
6015 i::HeapProfiler::DeleteAllSnapshots();
6019 void HeapProfiler::DefineWrapperClass(uint16_t class_id,
6020 WrapperInfoCallback callback) {
6021 i::Isolate::Current()->heap_profiler()->DefineWrapperClass(class_id,
6027 v8::Testing::StressType internal::Testing::stress_type_ =
6028 v8::Testing::kStressTypeOpt;
6031 void Testing::SetStressRunType(Testing::StressType type) {
6032 internal::Testing::set_stress_type(type);
6035 int Testing::GetStressRuns() {
6036 if (internal::FLAG_stress_runs != 0) return internal::FLAG_stress_runs;
6038 // In debug mode the code runs much slower so stressing will only make two
6047 static void SetFlagsFromString(const char* flags) {
6048 V8::SetFlagsFromString(flags, i::StrLength(flags));
6052 void Testing::PrepareStressRun(int run) {
6053 static const char* kLazyOptimizations =
6054 "--prepare-always-opt --nolimit-inlining "
6055 "--noalways-opt --noopt-eagerly";
6056 static const char* kEagerOptimizations = "--opt-eagerly";
6057 static const char* kForcedOptimizations = "--always-opt";
6059 // If deoptimization stressed turn on frequent deoptimization. If no value
6060 // is spefified through --deopt-every-n-times use a default default value.
6061 static const char* kDeoptEvery13Times = "--deopt-every-n-times=13";
6062 if (internal::Testing::stress_type() == Testing::kStressTypeDeopt &&
6063 internal::FLAG_deopt_every_n_times == 0) {
6064 SetFlagsFromString(kDeoptEvery13Times);
6068 // As stressing in debug mode only make two runs skip the deopt stressing
6070 if (run == GetStressRuns() - 1) {
6071 SetFlagsFromString(kForcedOptimizations);
6073 SetFlagsFromString(kEagerOptimizations);
6074 SetFlagsFromString(kLazyOptimizations);
6077 if (run == GetStressRuns() - 1) {
6078 SetFlagsFromString(kForcedOptimizations);
6079 } else if (run == GetStressRuns() - 2) {
6080 SetFlagsFromString(kEagerOptimizations);
6082 SetFlagsFromString(kLazyOptimizations);
6088 void Testing::DeoptimizeAll() {
6089 internal::Deoptimizer::DeoptimizeAll();
6093 namespace internal {
6096 void HandleScopeImplementer::FreeThreadResources() {
6101 char* HandleScopeImplementer::ArchiveThread(char* storage) {
6102 v8::ImplementationUtilities::HandleScopeData* current =
6103 isolate_->handle_scope_data();
6104 handle_scope_data_ = *current;
6105 memcpy(storage, this, sizeof(*this));
6107 ResetAfterArchive();
6108 current->Initialize();
6110 return storage + ArchiveSpacePerThread();
6114 int HandleScopeImplementer::ArchiveSpacePerThread() {
6115 return sizeof(HandleScopeImplementer);
6119 char* HandleScopeImplementer::RestoreThread(char* storage) {
6120 memcpy(this, storage, sizeof(*this));
6121 *isolate_->handle_scope_data() = handle_scope_data_;
6122 return storage + ArchiveSpacePerThread();
6126 void HandleScopeImplementer::IterateThis(ObjectVisitor* v) {
6127 // Iterate over all handles in the blocks except for the last.
6128 for (int i = blocks()->length() - 2; i >= 0; --i) {
6129 Object** block = blocks()->at(i);
6130 v->VisitPointers(block, &block[kHandleBlockSize]);
6133 // Iterate over live handles in the last block (if any).
6134 if (!blocks()->is_empty()) {
6135 v->VisitPointers(blocks()->last(), handle_scope_data_.next);
6138 if (!saved_contexts_.is_empty()) {
6139 Object** start = reinterpret_cast<Object**>(&saved_contexts_.first());
6140 v->VisitPointers(start, start + saved_contexts_.length());
6145 void HandleScopeImplementer::Iterate(ObjectVisitor* v) {
6146 v8::ImplementationUtilities::HandleScopeData* current =
6147 isolate_->handle_scope_data();
6148 handle_scope_data_ = *current;
6153 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
6154 HandleScopeImplementer* scope_implementer =
6155 reinterpret_cast<HandleScopeImplementer*>(storage);
6156 scope_implementer->IterateThis(v);
6157 return storage + ArchiveSpacePerThread();
6160 } } // namespace v8::internal