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Java > Open Source Codes > org > aspectj > compiler > base > ast > SourceLocation


1 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * This file is part of the compiler and core tools for the AspectJ(tm)
4  * programming language; see http://aspectj.org
5  *
6  * The contents of this file are subject to the Mozilla Public License
7  * Version 1.1 (the "License"); you may not use this file except in
8  * compliance with the License. You may obtain a copy of the License at
9  * either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is AspectJ.
17  *
18  * The Initial Developer of the Original Code is Xerox Corporation. Portions
19  * created by Xerox Corporation are Copyright (C) 1999-2002 Xerox Corporation.
20  * All Rights Reserved.
21  *
22  * Contributor(s):
23  */
24
25 package org.aspectj.compiler.base.ast;
26
27 import org.aspectj.compiler.base.*;
28
29 import java.util.*;
30 import java.io.File JavaDoc;
31
32 public abstract class SourceLocation {
33     public abstract JavaCompiler getCompiler();
34
35     public int getStartPosition() { return -1; }
36     public int getEndPosition() { return -1; }
37
38     public int getBeginLine() { return -1; }
39
40     public int getEndLine() { return -1; }
41
42     public int getBeginColumn() { return -1; }
43
44     public int getEndColumn() { return -1; }
45
46     public Comment getComment() {
47         return null;
48     }
49
50     public void addComment(Comment _comment) {
51         throw new RuntimeException JavaDoc("can't add a comment to this source location");
52     }
53
54     public void clearComment() { }
55
56     public void setFormalComment(String JavaDoc comment) {
57         //System.out.println("adding formal comment: " + comment + " to " + this.getDefaultDisplayName());
58 addComment(new FormalComment(comment));
59     }
60
61     public String JavaDoc getFormalComment() { return ""; }
62
63
64     public CompilationUnit getCompilationUnit() {
65         return getCompiler().getWorld().missingCompilationUnit;
66     }
67
68     public java.io.File JavaDoc getSourceFile() {
69         return getCompilationUnit().getSourceFile();
70     }
71
72     public String JavaDoc getSourceFileName() {
73         return getCompilationUnit().getSourceCanonicalPath();
74     }
75
76     public String JavaDoc getSourceDirectoryName() {
77         return getCompilationUnit().getSourceDirectory();
78     }
79
80
81     public void showError(String JavaDoc message) {
82         getCompiler().showError(new IntLiteralExpr(this, 1), message);
83     }
84
85     public boolean hasSource() {
86         return false;
87     }
88     public boolean fromSource() {
89         return hasSource() && getCompilationUnit().getDecs() != null;
90     }
91
92     public boolean isSynthetic() {
93         return true;
94     }
95
96     public ASTObject getSourceObject() { return null; }
97 }
98
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