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Java > Open Source Codes > org > cojen > classfile > Location


1 /*
2  * Copyright 2004 Brian S O'Neill
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.cojen.classfile;
18
19 /**
20  * Provides the location of an instruction in a CodeBuffer.
21  *
22  * @author Brian S O'Neill
23  */
24 public interface Location extends Comparable JavaDoc {
25     /**
26      * Returns -1 if the location isn't yet fully resolved.
27      *
28      * @exception IllegalStateException when the location is unknown and cannot
29      * be resolved.
30      */
31     int getLocation() throws IllegalStateException JavaDoc;
32 }
33
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