#include "src/api.h"

#include <string.h> // For memcpy, strlen.

#ifdef V8_USE_ADDRESS_SANITIZER

#include <sanitizer/asan_interface.h>

#endif // V8_USE_ADDRESS_SANITIZER

#include <cmath> // For isnan.

#include <limits>

#include <vector>

#include "include/v8-debug.h"

#include "include/v8-profiler.h"

#include "include/v8-testing.h"

#include "include/v8-util.h"

#include "src/accessors.h"

#include "src/api-natives.h"

#include "src/assert-scope.h"

#include "src/base/functional.h"

#include "src/base/logging.h"

#include "src/base/platform/platform.h"

#include "src/base/platform/time.h"

#include "src/base/safe_conversions.h"

#include "src/base/utils/random-number-generator.h"

#include "src/bootstrapper.h"

#include "src/builtins/builtins-utils.h"

#include "src/char-predicates-inl.h"

#include "src/code-stubs.h"

#include "src/compiler-dispatcher/compiler-dispatcher.h"

#include "src/compiler.h"

#include "src/contexts.h"

#include "src/conversions-inl.h"

#include "src/counters.h"

#include "src/debug/debug-coverage.h"

#include "src/debug/debug-type-profile.h"

#include "src/debug/debug.h"

#include "src/deoptimizer.h"

#include "src/detachable-vector.h"

#include "src/execution.h"

#include "src/frames-inl.h"

#include "src/gdb-jit.h"

#include "src/global-handles.h"

#include "src/globals.h"

#include "src/icu_util.h"

#include "src/isolate-inl.h"

#include "src/json-parser.h"

#include "src/json-stringifier.h"

#include "src/messages.h"

#include "src/objects-inl.h"

#include "src/parsing/background-parsing-task.h"

#include "src/parsing/parser.h"

#include "src/parsing/scanner-character-streams.h"

#include "src/pending-compilation-error-handler.h"

#include "src/profiler/cpu-profiler.h"

#include "src/profiler/heap-profiler.h"

#include "src/profiler/heap-snapshot-generator-inl.h"

#include "src/profiler/profile-generator-inl.h"

#include "src/profiler/tick-sample.h"

#include "src/property-descriptor.h"

#include "src/property-details.h"

#include "src/property.h"

#include "src/prototype.h"

#include "src/runtime-profiler.h"

#include "src/runtime/runtime.h"

#include "src/simulator.h"

#include "src/snapshot/builtin-serializer.h"

#include "src/snapshot/code-serializer.h"

#include "src/snapshot/natives.h"

#include "src/snapshot/snapshot.h"

#include "src/startup-data-util.h"

#include "src/tracing/trace-event.h"

#include "src/trap-handler/trap-handler.h"

#include "src/unicode-cache-inl.h"

#include "src/unicode-inl.h"

#include "src/v8.h"

#include "src/v8threads.h"

#include "src/value-serializer.h"

#include "src/version.h"

#include "src/vm-state-inl.h"

#include "src/wasm/compilation-manager.h"

#include "src/wasm/streaming-decoder.h"

#include "src/wasm/wasm-engine.h"

#include "src/wasm/wasm-objects-inl.h"

#include "src/wasm/wasm-result.h"

#include "src/wasm/wasm-serialization.h"

namespace v8 {

#define LOG_API(isolate, class_name, function_name) \

i::RuntimeCallTimerScope _runtime_timer( \

isolate, i::RuntimeCallCounterId::kAPI_##class_name##_##function_name); \

LOG(isolate, ApiEntryCall("v8::" #class_name "::" #function_name))

#define ENTER_V8_DO_NOT_USE(isolate) i::VMState<v8::OTHER> __state__((isolate))

#define ENTER_V8_HELPER_DO_NOT_USE(isolate, context, class_name, \

function_name, bailout_value, \

HandleScopeClass, do_callback) \

if (IsExecutionTerminatingCheck(isolate)) { \

return bailout_value; \

} \

HandleScopeClass handle_scope(isolate); \

CallDepthScope<do_callback> call_depth_scope(isolate, context); \

LOG_API(isolate, class_name, function_name); \

i::VMState<v8::OTHER> __state__((isolate)); \

bool has_pending_exception = false

#define PREPARE_FOR_DEBUG_INTERFACE_EXECUTION_WITH_ISOLATE(isolate, T) \

if (IsExecutionTerminatingCheck(isolate)) { \

return MaybeLocal<T>(); \

} \

InternalEscapableScope handle_scope(isolate); \

CallDepthScope<false> call_depth_scope(isolate, v8::Local<v8::Context>()); \

i::VMState<v8::OTHER> __state__((isolate)); \

bool has_pending_exception = false

#define PREPARE_FOR_EXECUTION_WITH_CONTEXT(context, class_name, function_name, \

bailout_value, HandleScopeClass, \

do_callback) \

auto isolate = context.IsEmpty() \

? i::Isolate::Current() \

: reinterpret_cast<i::Isolate*>(context->GetIsolate()); \

ENTER_V8_HELPER_DO_NOT_USE(isolate, context, class_name, function_name, \

bailout_value, HandleScopeClass, do_callback);

#define PREPARE_FOR_EXECUTION(context, class_name, function_name, T) \

PREPARE_FOR_EXECUTION_WITH_CONTEXT(context, class_name, function_name, \

MaybeLocal<T>(), InternalEscapableScope, \

false)

#define ENTER_V8(isolate, context, class_name, function_name, bailout_value, \

HandleScopeClass) \

ENTER_V8_HELPER_DO_NOT_USE(isolate, context, class_name, function_name, \

bailout_value, HandleScopeClass, true)

#ifdef DEBUG

#define ENTER_V8_NO_SCRIPT(isolate, context, class_name, function_name, \

bailout_value, HandleScopeClass) \

ENTER_V8_HELPER_DO_NOT_USE(isolate, context, class_name, function_name, \

bailout_value, HandleScopeClass, false); \

i::DisallowJavascriptExecutionDebugOnly __no_script__((isolate))

#define ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate) \

i::VMState<v8::OTHER> __state__((isolate)); \

i::DisallowJavascriptExecutionDebugOnly __no_script__((isolate)); \

i::DisallowExceptions __no_exceptions__((isolate))

#define ENTER_V8_FOR_NEW_CONTEXT(isolate) \

i::VMState<v8::OTHER> __state__((isolate)); \

i::DisallowExceptions __no_exceptions__((isolate))

#else

#define ENTER_V8_NO_SCRIPT(isolate, context, class_name, function_name, \

bailout_value, HandleScopeClass) \

ENTER_V8_HELPER_DO_NOT_USE(isolate, context, class_name, function_name, \

bailout_value, HandleScopeClass, false)

#define ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate) \

i::VMState<v8::OTHER> __state__((isolate));

#define ENTER_V8_FOR_NEW_CONTEXT(isolate) \

i::VMState<v8::OTHER> __state__((isolate));

#endif // DEBUG

#define EXCEPTION_BAILOUT_CHECK_SCOPED_DO_NOT_USE(isolate, value) \

do { \

if (has_pending_exception) { \

call_depth_scope.Escape(); \

return value; \

} \

} while (false)

#define RETURN_ON_FAILED_EXECUTION(T) \

EXCEPTION_BAILOUT_CHECK_SCOPED_DO_NOT_USE(isolate, MaybeLocal<T>())

#define RETURN_ON_FAILED_EXECUTION_PRIMITIVE(T) \

EXCEPTION_BAILOUT_CHECK_SCOPED_DO_NOT_USE(isolate, Nothing<T>())

#define RETURN_TO_LOCAL_UNCHECKED(maybe_local, T) \

return maybe_local.FromMaybe(Local<T>());

#define RETURN_ESCAPED(value) return handle_scope.Escape(value);

namespace {

Local<Context> ContextFromHeapObject(i::Handle<i::Object> obj) {

return reinterpret_cast<v8::Isolate*>(i::HeapObject::cast(*obj)->GetIsolate())

->GetCurrentContext();

}

class InternalEscapableScope : public v8::EscapableHandleScope {

};

#ifdef V8_CHECK_MICROTASKS_SCOPES_CONSISTENCY

void CheckMicrotasksScopesConsistency(i::Isolate* isolate) {

}

#endif

template <bool do_callback>

class CallDepthScope {

};

} // namespace

static ScriptOrigin GetScriptOriginForScript(i::Isolate* isolate,

}

void i::FatalProcessOutOfMemory(const char* location) {

i::V8::FatalProcessOutOfMemory(location, false);

}

void i::V8::FatalProcessOutOfMemory(const char* location, bool is_heap_oom) {

i::Isolate* isolate = i::Isolate::Current();

char last_few_messages[Heap::kTraceRingBufferSize + 1];

char js_stacktrace[Heap::kStacktraceBufferSize + 1];

i::HeapStats heap_stats;

if (isolate == nullptr) {

// On a background thread -> we cannot retrieve memory information from the

// Isolate. Write easy-to-recognize values on the stack.

memset(last_few_messages, 0x0BADC0DE, Heap::kTraceRingBufferSize + 1);

memset(js_stacktrace, 0x0BADC0DE, Heap::kStacktraceBufferSize + 1);

memset(&heap_stats, 0xBADC0DE, sizeof(heap_stats));

// Note that the embedder's oom handler won't be called in this case. We

// just crash.

FATAL("API fatal error handler returned after process out of memory");

return;

}

memset(last_few_messages, 0, Heap::kTraceRingBufferSize + 1);

memset(js_stacktrace, 0, Heap::kStacktraceBufferSize + 1);

intptr_t start_marker;

heap_stats.start_marker = &start_marker;

size_t new_space_size;

heap_stats.new_space_size = &new_space_size;

size_t new_space_capacity;

heap_stats.new_space_capacity = &new_space_capacity;

size_t old_space_size;

heap_stats.old_space_size = &old_space_size;

size_t old_space_capacity;

heap_stats.old_space_capacity = &old_space_capacity;

size_t code_space_size;

heap_stats.code_space_size = &code_space_size;

size_t code_space_capacity;

heap_stats.code_space_capacity = &code_space_capacity;

size_t map_space_size;

heap_stats.map_space_size = &map_space_size;

size_t map_space_capacity;

heap_stats.map_space_capacity = &map_space_capacity;

size_t lo_space_size;

heap_stats.lo_space_size = &lo_space_size;

size_t global_handle_count;

heap_stats.global_handle_count = &global_handle_count;

size_t weak_global_handle_count;

heap_stats.weak_global_handle_count = &weak_global_handle_count;

size_t pending_global_handle_count;

heap_stats.pending_global_handle_count = &pending_global_handle_count;

size_t near_death_global_handle_count;

heap_stats.near_death_global_handle_count = &near_death_global_handle_count;

size_t free_global_handle_count;

heap_stats.free_global_handle_count = &free_global_handle_count;

size_t memory_allocator_size;

heap_stats.memory_allocator_size = &memory_allocator_size;

size_t memory_allocator_capacity;

heap_stats.memory_allocator_capacity = &memory_allocator_capacity;

size_t malloced_memory;

heap_stats.malloced_memory = &malloced_memory;

size_t malloced_peak_memory;

heap_stats.malloced_peak_memory = &malloced_peak_memory;

size_t objects_per_type[LAST_TYPE + 1] = {0};

heap_stats.objects_per_type = objects_per_type;

size_t size_per_type[LAST_TYPE + 1] = {0};

heap_stats.size_per_type = size_per_type;

int os_error;

heap_stats.os_error = &os_error;

heap_stats.last_few_messages = last_few_messages;

heap_stats.js_stacktrace = js_stacktrace;

intptr_t end_marker;

heap_stats.end_marker = &end_marker;

if (isolate->heap()->HasBeenSetUp()) {

// BUG(1718): Don't use the take_snapshot since we don't support

// HeapIterator here without doing a special GC.

isolate->heap()->RecordStats(&heap_stats, false);

char* first_newline = strchr(last_few_messages, '\n');

if (first_newline == nullptr || first_newline[1] == '\0')

first_newline = last_few_messages;

PrintF("\n<--- Last few GCs --->\n%s\n", first_newline);

PrintF("\n<--- JS stacktrace --->\n%s\n", js_stacktrace);

}

Utils::ReportOOMFailure(location, is_heap_oom);

// If the fatal error handler returns, we stop execution.

FATAL("API fatal error handler returned after process out of memory");

}

void Utils::ReportApiFailure(const char* location, const char* message) {

}

void Utils::ReportOOMFailure(const char* location, bool is_heap_oom) {

}

static inline bool IsExecutionTerminatingCheck(i::Isolate* isolate) {

}

void V8::SetNativesDataBlob(StartupData* natives_blob) {

i::V8::SetNativesBlob(natives_blob);

}

void V8::SetSnapshotDataBlob(StartupData* snapshot_blob) {

i::V8::SetSnapshotBlob(snapshot_blob);

}

void* v8::ArrayBuffer::Allocator::Reserve(size_t length) { UNIMPLEMENTED(); }

void v8::ArrayBuffer::Allocator::Free(void* data, size_t length,

AllocationMode mode) {

switch (mode) {

case AllocationMode::kNormal: {

Free(data, length);

return;

}

case AllocationMode::kReservation: {

UNIMPLEMENTED();

return;

}

}

}

void v8::ArrayBuffer::Allocator::SetProtection(

void* data, size_t length,

v8::ArrayBuffer::Allocator::Protection protection) {

UNIMPLEMENTED();

}

namespace {

class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {

};

bool RunExtraCode(Isolate* isolate, Local<Context> context,

}

struct SnapshotCreatorData {

};

} // namespace

SnapshotCreator::SnapshotCreator(const intptr_t* external_references,

}

SnapshotCreator::~SnapshotCreator() {

SnapshotCreatorData* data = SnapshotCreatorData::cast(data_);

DCHECK(data->created_);

Isolate* isolate = data->isolate_;

isolate->Exit();

isolate->Dispose();

delete data;

}

Isolate* SnapshotCreator::GetIsolate() {

return SnapshotCreatorData::cast(data_)->isolate_;

}

void SnapshotCreator::SetDefaultContext(

}

size_t SnapshotCreator::AddContext(Local<Context> context,

}

size_t SnapshotCreator::AddTemplate(Local<Template> template_obj) {

return AddData(template_obj);

}

size_t SnapshotCreator::AddData(i::Object* object) {

}

size_t SnapshotCreator::AddData(Local<Context> context, i::Object* object) {

}

namespace {

void ConvertSerializedObjectsToFixedArray(Local<Context> context) {

}

void ConvertSerializedObjectsToFixedArray(i::Isolate* isolate) {

}

} // anonymous namespace

StartupData SnapshotCreator::CreateBlob(

}

StartupData V8::CreateSnapshotDataBlob(const char* embedded_source) {

}

StartupData V8::WarmUpSnapshotDataBlob(StartupData cold_snapshot_blob,

}

void V8::SetDcheckErrorHandler(DcheckErrorCallback that) {

v8::base::SetDcheckFunction(that);

}

void V8::SetFlagsFromString(const char* str, int length) {

i::FlagList::SetFlagsFromString(str, length);

i::FlagList::EnforceFlagImplications();

}

void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) {

i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags);

}

RegisteredExtension* RegisteredExtension::first_extension_ = nullptr;

RegisteredExtension::RegisteredExtension(Extension* extension)

: extension_(extension) { }

void RegisteredExtension::Register(RegisteredExtension* that) {

that->next_ = first_extension_;

first_extension_ = that;

}

void RegisteredExtension::UnregisterAll() {

}

void RegisterExtension(Extension* that) {

RegisteredExtension* extension = new RegisteredExtension(that);

RegisteredExtension::Register(extension);

}

Extension::Extension(const char* name,

}

ResourceConstraints::ResourceConstraints()

max_zone_pool_size_(0) {}

void ResourceConstraints::ConfigureDefaults(uint64_t physical_memory,

}

void SetResourceConstraints(i::Isolate* isolate,