/* * 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 { Pending, Active, Dispatched, Canceled, }; static RefPtr<AsyncStackTrace> create(RefPtr<ScriptCallStack>, bool singleShot, RefPtr<AsyncStackTrace> parent); bool isPending() const; bool isLocked() const; void willDispatchAsyncCall(size_t maxDepth); void didDispatchAsyncCall(); void didCancelAsyncCall(); RefPtr<Inspector::Protocol::Console::StackTrace> buildInspectorObject() const; ~AsyncStackTrace(); private: AsyncStackTrace(RefPtr<ScriptCallStack>, bool, RefPtr<AsyncStackTrace>); void truncate(size_t maxDepth); void remove(); RefPtr<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