/*

 * 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.java;

/**

 * This class represents an Java method type.

 * It overrides the relevant methods in class Type.

 *

 * 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.

 *

 * @author      Arthur van Hoff

 */

public final

class MethodType extends Type {

    /**

     * The return type.

     */

    Type returnType;

    /**

     * The argument types.

     */

    Type argTypes[];

    /**

     * Construct a method type. Use Type.tMethod to create

     * a new method type.

     * @see Type.tMethod

     */

    MethodType(String typeSig, Type returnType, Type argTypes[]) {

        super(TC_METHOD, typeSig);

        this.returnType = returnType;

        this.argTypes = argTypes;

    }

    public Type getReturnType() {

        return returnType;

    }

    public Type getArgumentTypes()[] {

        return argTypes;

    }

    public boolean equalArguments(Type t) {

        if (t.typeCode != TC_METHOD) {

            return false;

        }

        MethodType m = (MethodType)t;

        if (argTypes.length != m.argTypes.length) {

            return false;

        }

        for (int i = argTypes.length - 1 ; i >= 0 ; i--) {

            if (argTypes[i] != m.argTypes[i]) {

                return false;

            }

        }

        return true;

    }

    public int stackSize() {

        int n = 0;

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

            n += argTypes[i].stackSize();

        }

        return n;

    }

    public String typeString(String id, boolean abbrev, boolean ret) {

        StringBuffer buf = new StringBuffer();

        buf.append(id);

        buf.append('(');

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

            if (i > 0) {

                buf.append(", ");

            }

            buf.append(argTypes[i].typeString("", abbrev, ret));

        }

        buf.append(')');

        return ret ? getReturnType().typeString(buf.toString(), abbrev, ret) : buf.toString();

    }

}