/*

 * Copyright (C) 2008 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.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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.

 */

#include "config.h"

#include "DebuggerCallFrame.h"

#include "JSFunction.h"

#include "CodeBlock.h"

#include "Interpreter.h"

#include "Parser.h"

namespace JSC {

const UString* DebuggerCallFrame::functionName() const

{

    if (!m_callFrame->codeBlock())

        return 0;

    if (!m_callFrame->callee())

        return 0;

    JSObject* function = m_callFrame->callee();

    if (!function || !function->inherits(&JSFunction::info))

        return 0;

    return &asFunction(function)->name(m_callFrame);

}

UString DebuggerCallFrame::calculatedFunctionName() const

{

    if (!m_callFrame->codeBlock())

        return UString();

    JSObject* function = m_callFrame->callee();

    if (!function || !function->inherits(&JSFunction::info))

        return 0;

    return asFunction(function)->calculatedDisplayName(m_callFrame);

}

DebuggerCallFrame::Type DebuggerCallFrame::type() const

{

    if (m_callFrame->callee())

        return FunctionType;

    return ProgramType;

}

JSObject* DebuggerCallFrame::thisObject() const

{

    CodeBlock* codeBlock = m_callFrame->codeBlock();

    if (!codeBlock)

        return 0;

    JSValue thisValue = m_callFrame->r(codeBlock->thisRegister()).jsValue();

    if (!thisValue.isObject())

        return 0;

    return asObject(thisValue);

}

JSValue DebuggerCallFrame::evaluate(const UString& script, JSValue& exception) const

{

    if (!m_callFrame->codeBlock())

        return JSValue();

    RefPtr<EvalExecutable> eval = EvalExecutable::create(m_callFrame, makeSource(script));

    JSObject* error = eval->compile(m_callFrame, m_callFrame->scopeChain());

    if (error)

        return error;

    return m_callFrame->scopeChain()->globalData->interpreter->execute(eval.get(), m_callFrame, thisObject(), m_callFrame->scopeChain(), &exception);

}

} // namespace JSC