darling-JavaScriptCore/inspector/AsyncStackTrace.h

73 lines
2.4 KiB
C++

/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "InspectorProtocolObjects.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
namespace Inspector {
class ScriptCallStack;
class JS_EXPORT_PRIVATE AsyncStackTrace : public RefCounted<AsyncStackTrace> {
public:
enum class State : uint8_t {
Pending,
Active,
Dispatched,
Canceled,
};
static Ref<AsyncStackTrace> create(Ref<ScriptCallStack>&&, bool singleShot, RefPtr<AsyncStackTrace> parent);
bool isPending() const;
bool isLocked() const;
void willDispatchAsyncCall(size_t maxDepth);
void didDispatchAsyncCall();
void didCancelAsyncCall();
Ref<Protocol::Console::StackTrace> buildInspectorObject() const;
~AsyncStackTrace();
private:
AsyncStackTrace(Ref<ScriptCallStack>&&, bool, RefPtr<AsyncStackTrace>);
void truncate(size_t maxDepth);
void remove();
Ref<ScriptCallStack> m_callStack;
RefPtr<AsyncStackTrace> m_parent;
unsigned m_childCount { 0 };
State m_state { State::Pending };
bool m_truncated { false };
bool m_singleShot { true };
};
} // namespace Inspector