f0fb658386
This method iterates through all shared function info which are related to passed script, compiles debug code for SFI in range if needed and returns possible break locations. BUG=chromium:566801 CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel Review-Url: https://codereview.chromium.org/2465553003 Cr-Commit-Position: refs/heads/master@{#40783}
94 lines
2.7 KiB
C++
94 lines
2.7 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 "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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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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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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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 ExecuteStringTask : public TaskRunner::Task {
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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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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 Run(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_;
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int32_t column_offset_;
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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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