/*

 * Copyright (c) 2000, 2017, 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

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 */

package com.sun.tools.jdi;

import java.util.ArrayList;

import java.util.List;

import com.sun.jdi.AbsentInformationException;

import com.sun.jdi.InternalException;

import com.sun.jdi.LocalVariable;

import com.sun.jdi.Location;

import com.sun.jdi.VirtualMachine;

/**

 * Represents non-concrete (that is, native or abstract) methods.

 * Private to MethodImpl.

 */

public class NonConcreteMethodImpl extends MethodImpl {

    private Location location = null;

    NonConcreteMethodImpl(VirtualMachine vm,

                          ReferenceTypeImpl declaringType,

                          long ref, String name, String signature,

                          String genericSignature, int modifiers)

    {

        // The generic signature is set when this is created

        super(vm, declaringType, ref, name, signature,

              genericSignature, modifiers);

    }

    public Location location() {

        if (isAbstract()) {

            return null;

        }

        if (location == null) {

            location = new LocationImpl(vm, this, -1);

        }

        return location;

    }

    public List<Location> allLineLocations(String stratumID,

                                           String sourceName) {

        return new ArrayList<>(0);

    }

    public List<Location> allLineLocations(SDE.Stratum stratum,

                                           String sourceName) {

        return new ArrayList<>(0);

    }

    public List<Location> locationsOfLine(String stratumID,

                                          String sourceName,

                                          int lineNumber) {

        return new ArrayList<>(0);

    }

    public List<Location> locationsOfLine(SDE.Stratum stratum,

                                          String sourceName,

                                          int lineNumber) {

        return new ArrayList<>(0);

    }

    public Location locationOfCodeIndex(long codeIndex) {

        return null;

    }

    public List<LocalVariable> variables() throws AbsentInformationException {

        throw new AbsentInformationException();

    }

    public List<LocalVariable> variablesByName(String name) throws AbsentInformationException {

        throw new AbsentInformationException();

    }

    public List<LocalVariable> arguments() throws AbsentInformationException {

        throw new AbsentInformationException();

    }

    public byte[] bytecodes() {

        return new byte[0];

    }

    int argSlotCount() throws AbsentInformationException {

        throw new InternalException("should not get here");

    }

}