blob: 5df79594d839cc21fcd9f2b9c0dc62a9880f5f43 [file] [log] [blame]
// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#if !defined(_WIN32) && !defined(_WIN64)
#include <unistd.h> // NOLINT
#endif // !defined(_WIN32) && !defined(_WIN64)
#include <locale.h>
#include "include/libplatform/libplatform.h"
#include "include/v8.h"
#include "src/base/platform/platform.h"
#include "src/flags.h"
#include "src/utils.h"
#include "src/vector.h"
#include "test/inspector/isolate-data.h"
#include "test/inspector/task-runner.h"
namespace {
std::vector<TaskRunner*> task_runners;
void Terminate() {
for (size_t i = 0; i < task_runners.size(); ++i) {
task_runners[i]->Terminate();
task_runners[i]->Join();
}
std::vector<TaskRunner*> empty;
task_runners.swap(empty);
}
void Exit() {
fflush(stdout);
fflush(stderr);
Terminate();
}
v8::internal::Vector<uint16_t> ToVector(v8::Local<v8::String> str) {
v8::internal::Vector<uint16_t> buffer =
v8::internal::Vector<uint16_t>::New(str->Length());
str->Write(buffer.start(), 0, str->Length());
return buffer;
}
v8::Local<v8::String> ToV8String(v8::Isolate* isolate, const char* str) {
return v8::String::NewFromUtf8(isolate, str, v8::NewStringType::kNormal)
.ToLocalChecked();
}
v8::Local<v8::String> ToV8String(v8::Isolate* isolate, const char* str,
int length) {
return v8::String::NewFromUtf8(isolate, str, v8::NewStringType::kNormal,
length)
.ToLocalChecked();
}
v8::Local<v8::String> ToV8String(v8::Isolate* isolate,
const v8::internal::Vector<uint16_t>& buffer) {
return v8::String::NewFromTwoByte(isolate, buffer.start(),
v8::NewStringType::kNormal, buffer.length())
.ToLocalChecked();
}
v8::internal::Vector<uint16_t> ToVector(
const v8_inspector::StringView& string) {
v8::internal::Vector<uint16_t> buffer =
v8::internal::Vector<uint16_t>::New(static_cast<int>(string.length()));
for (size_t i = 0; i < string.length(); i++) {
if (string.is8Bit())
buffer[i] = string.characters8()[i];
else
buffer[i] = string.characters16()[i];
}
return buffer;
}
class FrontendChannelImpl : public v8_inspector::V8Inspector::Channel {
public:
FrontendChannelImpl(TaskRunner* task_runner, int context_group_id,
v8::Isolate* isolate, v8::Local<v8::Function> function)
: task_runner_(task_runner),
context_group_id_(context_group_id),
function_(isolate, function) {}
virtual ~FrontendChannelImpl() = default;
void set_session_id(int session_id) { session_id_ = session_id; }
private:
void sendResponse(
int callId,
std::unique_ptr<v8_inspector::StringBuffer> message) override {
task_runner_->Append(
new SendMessageTask(this, ToVector(message->string())));
}
void sendNotification(
std::unique_ptr<v8_inspector::StringBuffer> message) override {
task_runner_->Append(
new SendMessageTask(this, ToVector(message->string())));
}
void flushProtocolNotifications() override {}
class SendMessageTask : public TaskRunner::Task {
public:
SendMessageTask(FrontendChannelImpl* channel,
const v8::internal::Vector<uint16_t>& message)
: channel_(channel), message_(message) {}
virtual ~SendMessageTask() {}
bool is_priority_task() final { return false; }
private:
void Run(IsolateData* data) override {
v8::MicrotasksScope microtasks_scope(data->isolate(),
v8::MicrotasksScope::kRunMicrotasks);
v8::HandleScope handle_scope(data->isolate());
v8::Local<v8::Context> context =
data->GetContext(channel_->context_group_id_);
v8::Context::Scope context_scope(context);
v8::Local<v8::Value> message = ToV8String(data->isolate(), message_);
v8::MaybeLocal<v8::Value> result;
result = channel_->function_.Get(data->isolate())
->Call(context, context->Global(), 1, &message);
}
FrontendChannelImpl* channel_;
v8::internal::Vector<uint16_t> message_;
};
TaskRunner* task_runner_;
int context_group_id_;
v8::Global<v8::Function> function_;
int session_id_;
DISALLOW_COPY_AND_ASSIGN(FrontendChannelImpl);
};
template <typename T>
void RunSyncTask(TaskRunner* task_runner, T callback) {
class SyncTask : public TaskRunner::Task {
public:
SyncTask(v8::base::Semaphore* ready_semaphore, T callback)
: ready_semaphore_(ready_semaphore), callback_(callback) {}
virtual ~SyncTask() = default;
bool is_priority_task() final { return true; }
private:
void Run(IsolateData* data) override {
callback_(data);
if (ready_semaphore_) ready_semaphore_->Signal();
}
v8::base::Semaphore* ready_semaphore_;
T callback_;
};
v8::base::Semaphore ready_semaphore(0);
task_runner->Append(new SyncTask(&ready_semaphore, callback));
ready_semaphore.Wait();
}
class SendMessageToBackendTask : public TaskRunner::Task {
public:
SendMessageToBackendTask(int session_id,
const v8::internal::Vector<uint16_t>& message)
: session_id_(session_id), message_(message) {}
bool is_priority_task() final { return true; }
private:
void Run(IsolateData* data) override {
v8_inspector::StringView message_view(message_.start(), message_.length());
data->SendMessage(session_id_, message_view);
}
int session_id_;
v8::internal::Vector<uint16_t> message_;
};
void RunAsyncTask(TaskRunner* task_runner, const char* task_name,
TaskRunner::Task* task) {
class AsyncTask : public TaskRunner::Task {
public:
explicit AsyncTask(TaskRunner::Task* inner) : inner_(inner) {}
virtual ~AsyncTask() = default;
bool is_priority_task() override { return inner_->is_priority_task(); }
void Run(IsolateData* data) override {
data->AsyncTaskStarted(inner_.get());
inner_->Run(data);
data->AsyncTaskFinished(inner_.get());
}
private:
std::unique_ptr<TaskRunner::Task> inner_;
DISALLOW_COPY_AND_ASSIGN(AsyncTask);
};
task_runner->data()->AsyncTaskScheduled(
v8_inspector::StringView(reinterpret_cast<const uint8_t*>(task_name),
strlen(task_name)),
task, false);
task_runner->Append(new AsyncTask(task));
}
class ExecuteStringTask : public TaskRunner::Task {
public:
ExecuteStringTask(int context_group_id,
const v8::internal::Vector<uint16_t>& expression,
v8::Local<v8::String> name,
v8::Local<v8::Integer> line_offset,
v8::Local<v8::Integer> column_offset,
v8::Local<v8::Boolean> is_module)
: expression_(expression),
name_(ToVector(name)),
line_offset_(line_offset.As<v8::Int32>()->Value()),
column_offset_(column_offset.As<v8::Int32>()->Value()),
is_module_(is_module->Value()),
context_group_id_(context_group_id) {}
ExecuteStringTask(const v8::internal::Vector<const char>& expression,
int context_group_id)
: expression_utf8_(expression), context_group_id_(context_group_id) {}
bool is_priority_task() override { return false; }
void Run(IsolateData* data) override {
v8::MicrotasksScope microtasks_scope(data->isolate(),
v8::MicrotasksScope::kRunMicrotasks);
v8::HandleScope handle_scope(data->isolate());
v8::Local<v8::Context> context = data->GetContext(context_group_id_);
v8::Context::Scope context_scope(context);
v8::ScriptOrigin origin(
ToV8String(data->isolate(), name_),
v8::Integer::New(data->isolate(), line_offset_),
v8::Integer::New(data->isolate(), column_offset_),
/* resource_is_shared_cross_origin */ v8::Local<v8::Boolean>(),
/* script_id */ v8::Local<v8::Integer>(),
/* source_map_url */ v8::Local<v8::Value>(),
/* resource_is_opaque */ v8::Local<v8::Boolean>(),
/* is_wasm */ v8::Local<v8::Boolean>(),
v8::Boolean::New(data->isolate(), is_module_));
v8::Local<v8::String> source;
if (expression_.length())
source = ToV8String(data->isolate(), expression_);
else
source = ToV8String(data->isolate(), expression_utf8_.start(),
expression_utf8_.length());
v8::ScriptCompiler::Source scriptSource(source, origin);
if (!is_module_) {
v8::Local<v8::Script> script;
if (!v8::ScriptCompiler::Compile(context, &scriptSource).ToLocal(&script))
return;
v8::MaybeLocal<v8::Value> result;
result = script->Run(context);
} else {
data->RegisterModule(context, name_, &scriptSource);
}
}
private:
v8::internal::Vector<uint16_t> expression_;
v8::internal::Vector<const char> expression_utf8_;
v8::internal::Vector<uint16_t> name_;
int32_t line_offset_ = 0;
int32_t column_offset_ = 0;
bool is_module_ = false;
int context_group_id_;
DISALLOW_COPY_AND_ASSIGN(ExecuteStringTask);
};
class UtilsExtension : public IsolateData::SetupGlobalTask {
public:
~UtilsExtension() override = default;
void Run(v8::Isolate* isolate,
v8::Local<v8::ObjectTemplate> global) override {
v8::Local<v8::ObjectTemplate> utils = v8::ObjectTemplate::New(isolate);
utils->Set(ToV8String(isolate, "print"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::Print));
utils->Set(ToV8String(isolate, "quit"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::Quit));
utils->Set(ToV8String(isolate, "setlocale"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::Setlocale));
utils->Set(ToV8String(isolate, "read"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::Read));
utils->Set(ToV8String(isolate, "load"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::Load));
utils->Set(ToV8String(isolate, "compileAndRunWithOrigin"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::CompileAndRunWithOrigin));
utils->Set(ToV8String(isolate, "setCurrentTimeMSForTest"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::SetCurrentTimeMSForTest));
utils->Set(ToV8String(isolate, "setMemoryInfoForTest"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::SetMemoryInfoForTest));
utils->Set(ToV8String(isolate, "schedulePauseOnNextStatement"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::SchedulePauseOnNextStatement));
utils->Set(ToV8String(isolate, "cancelPauseOnNextStatement"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::CancelPauseOnNextStatement));
utils->Set(ToV8String(isolate, "setLogConsoleApiMessageCalls"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::SetLogConsoleApiMessageCalls));
utils->Set(
ToV8String(isolate, "setLogMaxAsyncCallStackDepthChanged"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::SetLogMaxAsyncCallStackDepthChanged));
utils->Set(ToV8String(isolate, "createContextGroup"),
v8::FunctionTemplate::New(isolate,
&UtilsExtension::CreateContextGroup));
utils->Set(
ToV8String(isolate, "connectSession"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::ConnectSession));
utils->Set(
ToV8String(isolate, "disconnectSession"),
v8::FunctionTemplate::New(isolate, &UtilsExtension::DisconnectSession));
utils->Set(ToV8String(isolate, "sendMessageToBackend"),
v8::FunctionTemplate::New(
isolate, &UtilsExtension::SendMessageToBackend));
global->Set(ToV8String(isolate, "utils"), utils);
}
static void set_backend_task_runner(TaskRunner* runner) {
backend_runner_ = runner;
}
static void ClearAllSessions() { channels_.clear(); }
private:
static TaskRunner* backend_runner_;
static void Print(const v8::FunctionCallbackInfo<v8::Value>& args) {
for (int i = 0; i < args.Length(); i++) {
v8::HandleScope handle_scope(args.GetIsolate());
if (i != 0) {
printf(" ");
}
// Explicitly catch potential exceptions in toString().
v8::TryCatch try_catch(args.GetIsolate());
v8::Local<v8::Value> arg = args[i];
v8::Local<v8::String> str_obj;
if (arg->IsSymbol()) {
arg = v8::Local<v8::Symbol>::Cast(arg)->Name();
}
if (!arg->ToString(args.GetIsolate()->GetCurrentContext())
.ToLocal(&str_obj)) {
try_catch.ReThrow();
return;
}
v8::String::Utf8Value str(args.GetIsolate(), str_obj);
int n =
static_cast<int>(fwrite(*str, sizeof(**str), str.length(), stdout));
if (n != str.length()) {
printf("Error in fwrite\n");
Quit(args);
}
}
printf("\n");
fflush(stdout);
}
static void Quit(const v8::FunctionCallbackInfo<v8::Value>& args) { Exit(); }
static void Setlocale(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsString()) {
fprintf(stderr, "Internal error: setlocale get one string argument.");
Exit();
}
v8::String::Utf8Value str(args.GetIsolate(), args[1]);
setlocale(LC_NUMERIC, *str);
}
static bool ReadFile(v8::Isolate* isolate, v8::Local<v8::Value> name,
v8::internal::Vector<const char>* chars) {
v8::String::Utf8Value str(isolate, name);
bool exists = false;
std::string filename(*str, str.length());
*chars = v8::internal::ReadFile(filename.c_str(), &exists);
if (!exists) {
isolate->ThrowException(ToV8String(isolate, "Error reading file"));
return false;
}
return true;
}
static void Read(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsString()) {
fprintf(stderr, "Internal error: read gets one string argument.");
Exit();
}
v8::internal::Vector<const char> chars;
v8::Isolate* isolate = args.GetIsolate();
if (ReadFile(isolate, args[0], &chars))
args.GetReturnValue().Set(ToV8String(isolate, chars.start()));
}
static void Load(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsString()) {
fprintf(stderr, "Internal error: load gets one string argument.");
Exit();
}
v8::internal::Vector<const char> chars;
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::Context> context = isolate->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
int context_group_id = data->GetContextGroupId(context);
if (ReadFile(isolate, args[0], &chars)) {
ExecuteStringTask(chars, context_group_id).Run(data);
}
}
static void CompileAndRunWithOrigin(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 6 || !args[0]->IsInt32() || !args[1]->IsString() ||
!args[2]->IsString() || !args[3]->IsInt32() || !args[4]->IsInt32() ||
!args[5]->IsBoolean()) {
fprintf(stderr,
"Internal error: compileAndRunWithOrigin(context_group_id, "
"source, name, line, "
"column, is_module).");
Exit();
}
backend_runner_->Append(new ExecuteStringTask(
args[0].As<v8::Int32>()->Value(), ToVector(args[1].As<v8::String>()),
args[2].As<v8::String>(), args[3].As<v8::Int32>(),
args[4].As<v8::Int32>(), args[5].As<v8::Boolean>()));
}
static void SetCurrentTimeMSForTest(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsNumber()) {
fprintf(stderr, "Internal error: setCurrentTimeMSForTest(time).");
Exit();
}
backend_runner_->data()->SetCurrentTimeMS(
args[0].As<v8::Number>()->Value());
}
static void SetMemoryInfoForTest(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1) {
fprintf(stderr, "Internal error: setMemoryInfoForTest(value).");
Exit();
}
backend_runner_->data()->SetMemoryInfo(args[0]);
}
static void SchedulePauseOnNextStatement(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 || !args[0]->IsInt32() || !args[1]->IsString() ||
!args[2]->IsString()) {
fprintf(stderr,
"Internal error: schedulePauseOnNextStatement(context_group_id, "
"'reason', 'details').");
Exit();
}
v8::internal::Vector<uint16_t> reason = ToVector(args[1].As<v8::String>());
v8::internal::Vector<uint16_t> details = ToVector(args[2].As<v8::String>());
int context_group_id = args[0].As<v8::Int32>()->Value();
RunSyncTask(backend_runner_, [&context_group_id, &reason,
&details](IsolateData* data) {
data->SchedulePauseOnNextStatement(
context_group_id,
v8_inspector::StringView(reason.start(), reason.length()),
v8_inspector::StringView(details.start(), details.length()));
});
}
static void CancelPauseOnNextStatement(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsInt32()) {
fprintf(stderr,
"Internal error: cancelPauseOnNextStatement(context_group_id).");
Exit();
}
int context_group_id = args[0].As<v8::Int32>()->Value();
RunSyncTask(backend_runner_, [&context_group_id](IsolateData* data) {
data->CancelPauseOnNextStatement(context_group_id);
});
}
static void SetLogConsoleApiMessageCalls(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsBoolean()) {
fprintf(stderr, "Internal error: setLogConsoleApiMessageCalls(bool).");
Exit();
}
backend_runner_->data()->SetLogConsoleApiMessageCalls(
args[0].As<v8::Boolean>()->Value());
}
static void SetLogMaxAsyncCallStackDepthChanged(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsBoolean()) {
fprintf(stderr,
"Internal error: setLogMaxAsyncCallStackDepthChanged(bool).");
Exit();
}
backend_runner_->data()->SetLogMaxAsyncCallStackDepthChanged(
args[0].As<v8::Boolean>()->Value());
}
static void CreateContextGroup(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 0) {
fprintf(stderr, "Internal error: createContextGroup().");
Exit();
}
int context_group_id = 0;
RunSyncTask(backend_runner_, [&context_group_id](IsolateData* data) {
context_group_id = data->CreateContextGroup();
});
args.GetReturnValue().Set(
v8::Int32::New(args.GetIsolate(), context_group_id));
}
static void ConnectSession(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 || !args[0]->IsInt32() || !args[1]->IsString() ||
!args[2]->IsFunction()) {
fprintf(stderr,
"Internal error: connectionSession(context_group_id, state, "
"dispatch).");
Exit();
}
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
FrontendChannelImpl* channel = new FrontendChannelImpl(
IsolateData::FromContext(context)->task_runner(),
IsolateData::FromContext(context)->GetContextGroupId(context),
args.GetIsolate(), args[2].As<v8::Function>());
v8::internal::Vector<uint16_t> state = ToVector(args[1].As<v8::String>());
int context_group_id = args[0].As<v8::Int32>()->Value();
int session_id = 0;
RunSyncTask(backend_runner_, [&context_group_id, &session_id, &channel,
&state](IsolateData* data) {
session_id = data->ConnectSession(
context_group_id,
v8_inspector::StringView(state.start(), state.length()), channel);
channel->set_session_id(session_id);
});
channels_[session_id].reset(channel);
args.GetReturnValue().Set(v8::Int32::New(args.GetIsolate(), session_id));
}
static void DisconnectSession(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsInt32()) {
fprintf(stderr, "Internal error: disconnectionSession(session_id).");
Exit();
}
int session_id = args[0].As<v8::Int32>()->Value();
v8::internal::Vector<uint16_t> state;
RunSyncTask(backend_runner_, [&session_id, &state](IsolateData* data) {
state = ToVector(data->DisconnectSession(session_id)->string());
});
channels_.erase(session_id);
args.GetReturnValue().Set(ToV8String(args.GetIsolate(), state));
}
static void SendMessageToBackend(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsInt32() || !args[1]->IsString()) {
fprintf(stderr,
"Internal error: sendMessageToBackend(session_id, message).");
Exit();
}
backend_runner_->Append(new SendMessageToBackendTask(
args[0].As<v8::Int32>()->Value(), ToVector(args[1].As<v8::String>())));
}
static std::map<int, std::unique_ptr<FrontendChannelImpl>> channels_;
};
TaskRunner* UtilsExtension::backend_runner_ = nullptr;
std::map<int, std::unique_ptr<FrontendChannelImpl>> UtilsExtension::channels_;
class SetTimeoutTask : public TaskRunner::Task {
public:
SetTimeoutTask(int context_group_id, v8::Isolate* isolate,
v8::Local<v8::Function> function)
: function_(isolate, function), context_group_id_(context_group_id) {}
virtual ~SetTimeoutTask() {}
bool is_priority_task() final { return false; }
private:
void Run(IsolateData* data) override {
v8::MicrotasksScope microtasks_scope(data->isolate(),
v8::MicrotasksScope::kRunMicrotasks);
v8::HandleScope handle_scope(data->isolate());
v8::Local<v8::Context> context = data->GetContext(context_group_id_);
v8::Context::Scope context_scope(context);
v8::Local<v8::Function> function = function_.Get(data->isolate());
v8::MaybeLocal<v8::Value> result;
result = function->Call(context, context->Global(), 0, nullptr);
}
v8::Global<v8::Function> function_;
int context_group_id_;
};
class SetTimeoutExtension : public IsolateData::SetupGlobalTask {
public:
void Run(v8::Isolate* isolate,
v8::Local<v8::ObjectTemplate> global) override {
global->Set(
ToV8String(isolate, "setTimeout"),
v8::FunctionTemplate::New(isolate, &SetTimeoutExtension::SetTimeout));
}
private:
static void SetTimeout(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[1]->IsNumber() ||
(!args[0]->IsFunction() && !args[0]->IsString()) ||
args[1].As<v8::Number>()->Value() != 0.0) {
fprintf(
stderr,
"Internal error: only setTimeout(function|code, 0) is supported.");
Exit();
}
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::Context> context = isolate->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
int context_group_id = data->GetContextGroupId(context);
if (args[0]->IsFunction()) {
RunAsyncTask(data->task_runner(), "setTimeout",
new SetTimeoutTask(context_group_id, isolate,
v8::Local<v8::Function>::Cast(args[0])));
} else {
RunAsyncTask(
data->task_runner(), "setTimeout",
new ExecuteStringTask(
context_group_id, ToVector(args[0].As<v8::String>()),
v8::String::Empty(isolate), v8::Integer::New(isolate, 0),
v8::Integer::New(isolate, 0), v8::Boolean::New(isolate, false)));
}
}
};
bool StrictAccessCheck(v8::Local<v8::Context> accessing_context,
v8::Local<v8::Object> accessed_object,
v8::Local<v8::Value> data) {
CHECK(accessing_context.IsEmpty());
return accessing_context.IsEmpty();
}
class InspectorExtension : public IsolateData::SetupGlobalTask {
public:
~InspectorExtension() override = default;
void Run(v8::Isolate* isolate,
v8::Local<v8::ObjectTemplate> global) override {
v8::Local<v8::ObjectTemplate> inspector = v8::ObjectTemplate::New(isolate);
inspector->Set(ToV8String(isolate, "fireContextCreated"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::FireContextCreated));
inspector->Set(ToV8String(isolate, "fireContextDestroyed"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::FireContextDestroyed));
inspector->Set(
ToV8String(isolate, "freeContext"),
v8::FunctionTemplate::New(isolate, &InspectorExtension::FreeContext));
inspector->Set(ToV8String(isolate, "addInspectedObject"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::AddInspectedObject));
inspector->Set(ToV8String(isolate, "setMaxAsyncTaskStacks"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::SetMaxAsyncTaskStacks));
inspector->Set(
ToV8String(isolate, "dumpAsyncTaskStacksStateForTest"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::DumpAsyncTaskStacksStateForTest));
inspector->Set(
ToV8String(isolate, "breakProgram"),
v8::FunctionTemplate::New(isolate, &InspectorExtension::BreakProgram));
inspector->Set(
ToV8String(isolate, "createObjectWithStrictCheck"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::CreateObjectWithStrictCheck));
inspector->Set(ToV8String(isolate, "callWithScheduledBreak"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::CallWithScheduledBreak));
inspector->Set(ToV8String(isolate, "allowAccessorFormatting"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::AllowAccessorFormatting));
inspector->Set(
ToV8String(isolate, "markObjectAsNotInspectable"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::MarkObjectAsNotInspectable));
inspector->Set(ToV8String(isolate, "createObjectWithAccessor"),
v8::FunctionTemplate::New(
isolate, &InspectorExtension::CreateObjectWithAccessor));
global->Set(ToV8String(isolate, "inspector"), inspector);
}
private:
static void FireContextCreated(
const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
data->FireContextCreated(context, data->GetContextGroupId(context));
}
static void FireContextDestroyed(
const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
data->FireContextDestroyed(context);
}
static void FreeContext(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
data->FreeContext(context);
}
static void AddInspectedObject(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsInt32()) {
fprintf(stderr,
"Internal error: addInspectedObject(session_id, object).");
Exit();
}
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
data->AddInspectedObject(args[0].As<v8::Int32>()->Value(), args[1]);
}
static void SetMaxAsyncTaskStacks(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsInt32()) {
fprintf(stderr, "Internal error: setMaxAsyncTaskStacks(max).");
Exit();
}
IsolateData::FromContext(args.GetIsolate()->GetCurrentContext())
->SetMaxAsyncTaskStacksForTest(args[0].As<v8::Int32>()->Value());
}
static void DumpAsyncTaskStacksStateForTest(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 0) {
fprintf(stderr, "Internal error: dumpAsyncTaskStacksStateForTest().");
Exit();
}
IsolateData::FromContext(args.GetIsolate()->GetCurrentContext())
->DumpAsyncTaskStacksStateForTest();
}
static void BreakProgram(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsString()) {
fprintf(stderr, "Internal error: breakProgram('reason', 'details').");
Exit();
}
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
v8::internal::Vector<uint16_t> reason = ToVector(args[0].As<v8::String>());
v8_inspector::StringView reason_view(reason.start(), reason.length());
v8::internal::Vector<uint16_t> details = ToVector(args[1].As<v8::String>());
v8_inspector::StringView details_view(details.start(), details.length());
data->BreakProgram(data->GetContextGroupId(context), reason_view,
details_view);
}
static void CreateObjectWithStrictCheck(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 0) {
fprintf(stderr, "Internal error: createObjectWithStrictCheck().");
Exit();
}
v8::Local<v8::ObjectTemplate> templ =
v8::ObjectTemplate::New(args.GetIsolate());
templ->SetAccessCheckCallback(&StrictAccessCheck);
args.GetReturnValue().Set(
templ->NewInstance(args.GetIsolate()->GetCurrentContext())
.ToLocalChecked());
}
static void CallWithScheduledBreak(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 3 || !args[0]->IsFunction() || !args[1]->IsString() ||
!args[2]->IsString()) {
fprintf(stderr,
"Internal error: callWithScheduledBreak('reason', 'details').");
Exit();
}
v8::internal::Vector<uint16_t> reason = ToVector(args[1].As<v8::String>());
v8_inspector::StringView reason_view(reason.start(), reason.length());
v8::internal::Vector<uint16_t> details = ToVector(args[2].As<v8::String>());
v8_inspector::StringView details_view(details.start(), details.length());
v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
IsolateData* data = IsolateData::FromContext(context);
int context_group_id = data->GetContextGroupId(context);
data->SchedulePauseOnNextStatement(context_group_id, reason_view,
details_view);
v8::MaybeLocal<v8::Value> result;
result = args[0].As<v8::Function>()->Call(context, context->Global(), 0,
nullptr);
data->CancelPauseOnNextStatement(context_group_id);
}
static void AllowAccessorFormatting(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsObject()) {
fprintf(stderr, "Internal error: allowAccessorFormatting('object').");
Exit();
}
v8::Local<v8::Object> object = args[0].As<v8::Object>();
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::Private> shouldFormatAccessorsPrivate = v8::Private::ForApi(
isolate, ToV8String(isolate, "allowAccessorFormatting"));
object
->SetPrivate(isolate->GetCurrentContext(), shouldFormatAccessorsPrivate,
v8::Null(isolate))
.ToChecked();
}
static void MarkObjectAsNotInspectable(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 1 || !args[0]->IsObject()) {
fprintf(stderr, "Internal error: markObjectAsNotInspectable(object).");
Exit();
}
v8::Local<v8::Object> object = args[0].As<v8::Object>();
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::Private> notInspectablePrivate =
v8::Private::ForApi(isolate, ToV8String(isolate, "notInspectable"));
object
->SetPrivate(isolate->GetCurrentContext(), notInspectablePrivate,
v8::True(isolate))
.ToChecked();
}
static void CreateObjectWithAccessor(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsBoolean()) {
fprintf(stderr,
"Internal error: createObjectWithAccessor('accessor name', "
"hasSetter)\n");
Exit();
}
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(isolate);
if (args[1].As<v8::Boolean>()->Value()) {
templ->SetAccessor(v8::Local<v8::String>::Cast(args[0]), AccessorGetter,
AccessorSetter);
} else {
templ->SetAccessor(v8::Local<v8::String>::Cast(args[0]), AccessorGetter);
}
args.GetReturnValue().Set(
templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked());
}
static void AccessorGetter(v8::Local<v8::String> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
isolate->ThrowException(ToV8String(isolate, "Getter is called"));
}
static void AccessorSetter(v8::Local<v8::String> property,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<void>& info) {
v8::Isolate* isolate = info.GetIsolate();
isolate->ThrowException(ToV8String(isolate, "Setter is called"));
}
};
} // namespace
int main(int argc, char* argv[]) {
v8::V8::InitializeICUDefaultLocation(argv[0]);
std::unique_ptr<v8::Platform> platform(v8::platform::NewDefaultPlatform());
v8::V8::InitializePlatform(platform.get());
v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
v8::V8::InitializeExternalStartupData(argv[0]);
v8::V8::Initialize();
v8::base::Semaphore ready_semaphore(0);
v8::StartupData startup_data = {nullptr, 0};
for (int i = 1; i < argc; ++i) {
if (strcmp(argv[i], "--embed") == 0) {
argv[i++] = nullptr;
printf("Embedding script '%s'\n", argv[i]);
startup_data = v8::V8::CreateSnapshotDataBlob(argv[i]);
argv[i] = nullptr;
}
}
IsolateData::SetupGlobalTasks frontend_extensions;
frontend_extensions.emplace_back(new UtilsExtension());
TaskRunner frontend_runner(std::move(frontend_extensions), true,
&ready_semaphore, nullptr, false);
ready_semaphore.Wait();
int frontend_context_group_id = 0;
RunSyncTask(&frontend_runner,
[&frontend_context_group_id](IsolateData* data) {
frontend_context_group_id = data->CreateContextGroup();
});
IsolateData::SetupGlobalTasks backend_extensions;
backend_extensions.emplace_back(new SetTimeoutExtension());
backend_extensions.emplace_back(new InspectorExtension());
TaskRunner backend_runner(std::move(backend_extensions), false,
&ready_semaphore,
startup_data.data ? &startup_data : nullptr, true);
ready_semaphore.Wait();
UtilsExtension::set_backend_task_runner(&backend_runner);
task_runners.push_back(&frontend_runner);
task_runners.push_back(&backend_runner);
for (int i = 1; i < argc; ++i) {
// Ignore unknown flags.
if (argv[i] == nullptr || argv[i][0] == '-') continue;
bool exists = false;
v8::internal::Vector<const char> chars =
v8::internal::ReadFile(argv[i], &exists, true);
if (!exists) {
fprintf(stderr, "Internal error: script file doesn't exists: %s\n",
argv[i]);
Exit();
}
frontend_runner.Append(
new ExecuteStringTask(chars, frontend_context_group_id));
}
frontend_runner.Join();
backend_runner.Join();
delete startup_data.data;
UtilsExtension::ClearAllSessions();
return 0;
}