1 /*

     2  * Copyright 2000-2003 Sun Microsystems, Inc.  All Rights Reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.  Sun designates this

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

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package com.sun.tools.jdi;

    27 

    28 import com.sun.jdi.*;

    29 

    30 import java.util.List;

    31 import java.util.Map;

    32 import java.util.Iterator;

    33 import java.util.ListIterator;

    34 import java.util.HashMap;

    35 import java.util.ArrayList;

    36 import java.util.Collections;

    37 

    38 /**

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

    40  * Private to MethodImpl.

    41  */

    42 public class NonConcreteMethodImpl extends MethodImpl {

    43 

    44     private Location location = null;

    45 

    46     NonConcreteMethodImpl(VirtualMachine vm,

    47                           ReferenceTypeImpl declaringType,

    48                           long ref,

    49                           String name, String signature,

    50                           String genericSignature, int modifiers) {

    51 

    52         // The generic signature is set when this is created

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

    54               genericSignature, modifiers);

    55     }

    56 

    57     public Location location() {

    58         if (isAbstract()) {

    59             return null;

    60         }

    61         if (location == null) {

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

    63         }

    64         return location;

    65     }

    66 

    67     public List<Location> allLineLocations(String stratumID,

    68                                  String sourceName) {

    69         return new ArrayList<Location>(0);

    70     }

    71 

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

    73                                  String sourceName) {

    74         return new ArrayList<Location>(0);

    75     }

    76 

    77     public List<Location> locationsOfLine(String stratumID,

    78                                 String sourceName,

    79                                 int lineNumber) {

    80         return new ArrayList<Location>(0);

    81     }

    82 

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

    84                                 String sourceName,

    85                                 int lineNumber) {

    86         return new ArrayList<Location>(0);

    87     }

    88 

    89     public Location locationOfCodeIndex(long codeIndex) {

    90         return null;

    91     }

    92 

    93     public List<LocalVariable> variables() throws AbsentInformationException {

    94         throw new AbsentInformationException();

    95     }

    96 

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

    98         throw new AbsentInformationException();

    99     }

   100 

   101     public List<LocalVariable> arguments() throws AbsentInformationException {

   102         throw new AbsentInformationException();

   103     }

   104 

   105     public byte[] bytecodes() {

   106         return new byte[0];

   107     }

   108 

   109     int argSlotCount() throws AbsentInformationException {

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

   111     }

   112 }