/*

 * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.tools.tree;

import sun.tools.java.*;

import java.io.PrintStream;

/**

 * WARNING: The contents of this source file are not part of any

 * supported API.  Code that depends on them does so at its own risk:

 * they are subject to change or removal without notice.

 */

public

class NaryExpression extends UnaryExpression {

    Expression args[];

    /**

     * Constructor

     */

    NaryExpression(int op, long where, Type type, Expression right, Expression args[]) {

        super(op, where, type, right);

        this.args = args;

    }

    /**

     * Create a copy of the expression for method inlining

     */

    public Expression copyInline(Context ctx) {

        NaryExpression e = (NaryExpression)clone();

        if (right != null) {

            e.right = right.copyInline(ctx);

        }

        e.args = new Expression[args.length];

        for (int i = 0 ; i < args.length ; i++) {

            if (args[i] != null) {

                e.args[i] = args[i].copyInline(ctx);

            }

        }

        return e;

    }

    /**

     * The cost of inlining this expression

     */

    public int costInline(int thresh, Environment env, Context ctx) {

        int cost = 3;

        if (right != null)

            cost += right.costInline(thresh, env, ctx);

        for (int i = 0 ; (i < args.length) && (cost < thresh) ; i++) {

            if (args[i] != null) {

                cost += args[i].costInline(thresh, env, ctx);

            }

        }

        return cost;

    }

    /**

     * Print

     */

    public void print(PrintStream out) {

        out.print("(" + opNames[op] + "#" + hashCode());

        if (right != null) {

            out.print(" ");

            right.print(out);

        }

        for (int i = 0 ; i < args.length ; i++) {

            out.print(" ");

            if (args[i] != null) {

                args[i].print(out);

            } else {

                out.print("<null>");

            }

        }

        out.print(")");

    }

}