blob: 4a3f2e5baf73b5e7facf30c1965b7d62ccf1066d [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.
#ifndef V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
#define V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
#include "include/v8-inspector.h"
#include "include/v8-platform.h"
#include "include/v8.h"
#include "src/base/macros.h"
#include "src/base/platform/platform.h"
#include "src/inspector/string-16.h"
#include "src/locked-queue-inl.h"
class TaskRunner : public v8::base::Thread {
public:
class Task {
public:
virtual ~Task() {}
virtual bool is_inspector_task() = 0;
virtual void Run(v8::Isolate* isolate,
const v8::Global<v8::Context>& context) = 0;
};
explicit TaskRunner(v8::ExtensionConfiguration* extensions,
v8::base::Semaphore* ready_semaphore);
virtual ~TaskRunner();
// Thread implementation.
void Run() override;
// Should be called from the same thread and only from task.
void RunMessageLoop(bool only_protocol);
void QuitMessageLoop();
// TaskRunner takes ownership.
void Append(Task* task);
static TaskRunner* FromContext(v8::Local<v8::Context>);
private:
void InitializeContext();
Task* GetNext(bool only_protocol);
v8::ExtensionConfiguration* extensions_;
v8::base::Semaphore* ready_semaphore_;
v8::Isolate* isolate_;
v8::Global<v8::Context> context_;
// deferred_queue_ combined with queue_ (in this order) have all tasks in the
// correct order.
// Sometimes we skip non-protocol tasks by moving them from queue_ to
// deferred_queue_.
v8::internal::LockedQueue<Task*> queue_;
v8::internal::LockedQueue<Task*> deffered_queue_;
v8::base::Semaphore process_queue_semaphore_;
int nested_loop_count_;
DISALLOW_COPY_AND_ASSIGN(TaskRunner);
};
class ExecuteStringTask : public TaskRunner::Task {
public:
explicit ExecuteStringTask(const v8_inspector::String16& expression);
bool is_inspector_task() override { return false; }
void Run(v8::Isolate* isolate,
const v8::Global<v8::Context>& context) override;
private:
v8_inspector::String16 expression_;
DISALLOW_COPY_AND_ASSIGN(ExecuteStringTask);
};
#endif // V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_