/*
 * Copyright (c) 2014, Regents of the University of California
 * 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 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.
 */
package edu.uci.python.nodes.call;

import com.oracle.truffle.api.nodes.*;

/**
 * @author zwei
 *
 */
public abstract class CallDispatchNode extends Node {

    protected final String calleeName;

    public CallDispatchNode(String calleeName) {
        this.calleeName = calleeName;
    }

    public boolean isInlined() {
        return false;
    }

    protected int getDispatchDepth() {
        CallDispatchNode current = this;
        int depth = 0;

        while (current.getParent() instanceof CallDispatchNode) {
            current = (CallDispatchNode) current.getParent();
            depth++;
        }

        return depth;
    }

    public CallDispatchNode getTop() {
        CallDispatchNode current = this;

        while (current.getParent() instanceof CallDispatchNode) {
            current = (CallDispatchNode) current.getParent();
        }

        return current;
    }

    protected NodeCost getCost(Node next) {
        if (next != null && next.getCost() == NodeCost.MONOMORPHIC) {
            return NodeCost.POLYMORPHIC;
        }
        return super.getCost();
    }

}
