/*
 * Copyright (C) 2012 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. ``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
 * 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. 
 */

#include "config.h"
#include "CodeOrigin.h"

#include "Executable.h"

namespace JSC {

unsigned CodeOrigin::inlineDepthForCallFrame(InlineCallFrame* inlineCallFrame)
{
    unsigned result = 1;
    for (InlineCallFrame* current = inlineCallFrame; current; current = current->caller.inlineCallFrame)
        result++;
    return result;
}

unsigned CodeOrigin::inlineDepth() const
{
    return inlineDepthForCallFrame(inlineCallFrame);
}
    
Vector<CodeOrigin> CodeOrigin::inlineStack() const
{
    Vector<CodeOrigin> result(inlineDepth());
    result.last() = *this;
    unsigned index = result.size() - 2;
    for (InlineCallFrame* current = inlineCallFrame; current; current = current->caller.inlineCallFrame)
        result[index--] = current->caller;
    return result;
}

CodeBlockHash InlineCallFrame::hash() const
{
    return executable->hashFor(specializationKind());
}

} // namespace JSC