/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 * Copyright (c) 2008, 2010 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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 "AsyncStackTrace.h"
#include "ScriptCallFrame.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>

namespace Inspector {

class AsyncStackTrace;

class JS_EXPORT_PRIVATE ScriptCallStack : public RefCounted<ScriptCallStack> {
public:
    static constexpr size_t maxCallStackSizeToCapture = 200;
    
    static Ref<ScriptCallStack> create();
    static Ref<ScriptCallStack> create(Vector<ScriptCallFrame>&&, bool truncated = false, AsyncStackTrace* parentStackTrace = nullptr);

    ~ScriptCallStack();

    const ScriptCallFrame& at(size_t) const;
    size_t size() const;
    bool truncated() const { return m_truncated; }

    const RefPtr<AsyncStackTrace>& parentStackTrace() const { return m_parentStackTrace; }
    void removeParentStackTrace();

    const ScriptCallFrame* firstNonNativeCallFrame() const;

    void append(const ScriptCallFrame&);

    bool isEqual(ScriptCallStack*) const;

    Ref<JSON::ArrayOf<Protocol::Console::CallFrame>> buildInspectorArray() const;
    Ref<Protocol::Console::StackTrace> buildInspectorObject() const;

private:
    ScriptCallStack();
    ScriptCallStack(Vector<ScriptCallFrame>&&, bool truncated = false, AsyncStackTrace* parentStackTrace = nullptr);

    Vector<ScriptCallFrame> m_frames;
    bool m_truncated { false };

    RefPtr<AsyncStackTrace> m_parentStackTrace;
};

} // namespace Inspector
