3a4f5fafe0
V8DebuggerAgentImpl::m_skipAllPaused is moved to V8Debugger. V8DebuggerAgentImpl::didPaused doesn't return shouldBreak flag and called only when break is required and stack trace presented. V8DebuggerAgentImpl doesn't store paused context. Logic of conversion step-next at return into step-in is moved to debug.cc. BUG=none R=dgozman@chromium.org,yangguo@chromium.org Review-Url: https://codereview.chromium.org/2668763003 Cr-Commit-Position: refs/heads/master@{#42907}
133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
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#define V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
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#include <map>
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#include "include/v8-inspector.h"
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#include "include/v8-platform.h"
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#include "include/v8.h"
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#include "src/base/atomic-utils.h"
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#include "src/base/macros.h"
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#include "src/base/platform/platform.h"
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#include "src/locked-queue-inl.h"
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#include "src/vector.h"
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struct VectorCompare {
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bool operator()(const v8::internal::Vector<uint16_t>& lhs,
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const v8::internal::Vector<uint16_t>& rhs) const {
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for (int i = 0; i < lhs.length() && i < rhs.length(); ++i) {
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if (lhs[i] != rhs[i]) return lhs[i] < rhs[i];
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}
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return false;
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}
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};
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class TaskRunner : public v8::base::Thread {
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public:
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class Task {
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public:
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virtual ~Task() {}
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virtual bool is_inspector_task() = 0;
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virtual void Run(v8::Isolate* isolate,
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const v8::Global<v8::Context>& context) = 0;
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};
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TaskRunner(v8::ExtensionConfiguration* extensions, bool catch_exceptions,
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v8::base::Semaphore* ready_semaphore);
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virtual ~TaskRunner();
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// Thread implementation.
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void Run() override;
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// Should be called from the same thread and only from task.
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void RunMessageLoop(bool only_protocol);
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void QuitMessageLoop();
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// TaskRunner takes ownership.
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void Append(Task* task);
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static TaskRunner* FromContext(v8::Local<v8::Context>);
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void Terminate();
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void RegisterModule(v8::internal::Vector<uint16_t> name,
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v8::Local<v8::Module> module);
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static v8::MaybeLocal<v8::Module> ModuleResolveCallback(
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v8::Local<v8::Context> context, v8::Local<v8::String> specifier,
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v8::Local<v8::Module> referrer);
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private:
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void InitializeContext();
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Task* GetNext(bool only_protocol);
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v8::ExtensionConfiguration* extensions_;
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bool catch_exceptions_;
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v8::base::Semaphore* ready_semaphore_;
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v8::Isolate* isolate_;
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v8::Global<v8::Context> context_;
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// deferred_queue_ combined with queue_ (in this order) have all tasks in the
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// correct order. Sometimes we skip non-protocol tasks by moving them from
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// queue_ to deferred_queue_.
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v8::internal::LockedQueue<Task*> queue_;
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v8::internal::LockedQueue<Task*> deffered_queue_;
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v8::base::Semaphore process_queue_semaphore_;
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std::map<v8::internal::Vector<uint16_t>, v8::Global<v8::Module>,
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VectorCompare>
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modules_;
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int nested_loop_count_;
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v8::base::AtomicNumber<int> is_terminated_;
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DISALLOW_COPY_AND_ASSIGN(TaskRunner);
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};
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class AsyncTask : public TaskRunner::Task {
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public:
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AsyncTask(const char* task_name, v8_inspector::V8Inspector* inspector);
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virtual ~AsyncTask() = default;
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void Run(v8::Isolate* isolate,
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const v8::Global<v8::Context>& context) override;
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virtual void AsyncRun(v8::Isolate* isolate,
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const v8::Global<v8::Context>& context) = 0;
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protected:
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v8_inspector::V8Inspector* inspector_;
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};
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class ExecuteStringTask : public AsyncTask {
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public:
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ExecuteStringTask(const v8::internal::Vector<uint16_t>& expression,
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v8::Local<v8::String> name,
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v8::Local<v8::Integer> line_offset,
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v8::Local<v8::Integer> column_offset,
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v8::Local<v8::Boolean> is_module, const char* task_name,
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v8_inspector::V8Inspector* inspector);
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explicit ExecuteStringTask(
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const v8::internal::Vector<const char>& expression);
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bool is_inspector_task() override { return false; }
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void AsyncRun(v8::Isolate* isolate,
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const v8::Global<v8::Context>& context) override;
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private:
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v8::internal::Vector<uint16_t> expression_;
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v8::internal::Vector<const char> expression_utf8_;
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v8::internal::Vector<uint16_t> name_;
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int32_t line_offset_ = 0;
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int32_t column_offset_ = 0;
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bool is_module_ = false;
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DISALLOW_COPY_AND_ASSIGN(ExecuteStringTask);
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};
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#endif // V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
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