/*
 * Copyright (C) 2014 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 "CallVariant.h"

#include "JSCInlines.h"

namespace JSC {

void CallVariant::dump(PrintStream& out) const
{
#ifndef NDEBUG
    if (!*this) {
        out.print("null");
        return;
    }
    
    if (InternalFunction* internalFunction = this->internalFunction()) {
        out.print("InternalFunction: ", JSValue(internalFunction));
        return;
    }
    
    if (JSFunction* function = this->function()) {
        out.print("(Function: ", JSValue(function), "; Executable: ", *executable(), ")");
        return;
    }
    
    out.print("Executable: ", *executable());
#endif
}

CallVariantList variantListWithVariant(const CallVariantList& list, CallVariant variantToAdd)
{
    ASSERT(variantToAdd);
    CallVariantList result;
    for(auto it = list.begin(); it != list.end(); ++it) {
    	CallVariant variant = *it;
        ASSERT(variant);
        if (!!variantToAdd) {
            if (variant == variantToAdd)
                variantToAdd = CallVariant();
            else if (variant.despecifiedClosure() == variantToAdd.despecifiedClosure()) {
                variant = variant.despecifiedClosure();
                variantToAdd = CallVariant();
            }
        }
        result.append(variant);
    }
    if (!!variantToAdd)
        result.append(variantToAdd);
    return result;
}

CallVariantList despecifiedVariantList(const CallVariantList& list)
{
    CallVariantList result;
    for(auto it = list.begin(); it != list.end(); ++it)
        result = variantListWithVariant(result, it->despecifiedClosure());
    return result;
}

} // namespace JSC

