/*

 *  Copyright (C) 2003, 2006, 2008 Apple Inc.

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Library General Public

 *  License as published by the Free Software Foundation; either

 *  version 2 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Library General Public License for more details.

 *

 *  You should have received a copy of the GNU Library General Public License

 *  along with this library; see the file COPYING.LIB.  If not, write to

 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 *  Boston, MA 02110-1301, USA.

 *

 */

#include "config.h"

#include "ScopeChain.h"

#include "JSActivation.h"

#include "JSGlobalObject.h"

#include "JSObject.h"

#include "PropertyNameArray.h"

#include <stdio.h>

namespace JSC {

#ifndef NDEBUG

void ScopeChainNode::print() const

{

    ScopeChainIterator scopeEnd = end();

    for (ScopeChainIterator scopeIter = begin(); scopeIter != scopeEnd; ++scopeIter) {

        JSObject* o = *scopeIter;

        PropertyNameArray propertyNames(globalObject->globalExec());

        o->getPropertyNames(globalObject->globalExec(), propertyNames);

        PropertyNameArray::const_iterator propEnd = propertyNames.end();

        fprintf(stderr, "----- [scope %p] -----\n", o);

        for (PropertyNameArray::const_iterator propIter = propertyNames.begin(); propIter != propEnd; propIter++) {

            Identifier name = *propIter;

            fprintf(stderr, "%s, ", name.ascii());

        }

        fprintf(stderr, "\n");

    }

}

#endif

int ScopeChain::localDepth() const

{

    int scopeDepth = 0;

    ScopeChainIterator iter = this->begin();

    ScopeChainIterator end = this->end();

    while (!(*iter)->inherits(&JSActivation::info)) {

        ++iter;

        if (iter == end)

            break;

        ++scopeDepth;

    }

    return scopeDepth;

}

} // namespace JSC