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


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.FlowCheckerPass;
28 import org.aspectj.compiler.base.JavaCompiler;
29 import org.aspectj.compiler.base.CodeWriter;
30 import java.io.IOException JavaDoc;
31
32 import org.aspectj.compiler.base.bcg.CodeBuilder;
33
34 /**
35  * @grammar typename.class
36  * @child TypeD typeD
37  */
38
39 public class ClassExpr extends Expr {
40
41     public Type discoverType() {
42         return getTypeManager().getType("java.lang", "Class");
43     }
44
45     public void unparse(CodeWriter writer) throws IOException JavaDoc {
46         writer.write(typeD);
47         writer.write('.');
48         writer.writeKeyword("class");
49     }
50
51     // ------------------------------
52 // bcg
53 protected void cgValue(CodeBuilder cb) {
54         throw new RuntimeException JavaDoc("Unhandled expression " + this);
55     }
56
57     //BEGIN: Generated from @child and @property
58 protected TypeD typeD;
59     public TypeD getTypeD() { return typeD; }
60     public void setTypeD(TypeD _typeD) {
61         if (_typeD != null) _typeD.setParent(this);
62         typeD = _typeD;
63     }
64
65     public ClassExpr(SourceLocation location, TypeD _typeD) {
66         super(location);
67         setTypeD(_typeD);
68     }
69     protected ClassExpr(SourceLocation source) {
70         super(source);
71     }
72
73     public ASTObject copyWalk(CopyWalker walker) {
74         ClassExpr ret = new ClassExpr(getSourceLocation());
75         ret.preCopy(walker, this);
76         if (typeD != null) ret.setTypeD( (TypeD)walker.process(typeD) );
77         return ret;
78     }
79
80     public ASTObject getChildAt(int childIndex) {
81         switch(childIndex) {
82         case 0: return typeD;
83         default: return super.getChildAt(childIndex);
84         }
85     }
86      public String JavaDoc getChildNameAt(int childIndex) {
87         switch(childIndex) {
88         case 0: return "typeD";
89         default: return super.getChildNameAt(childIndex);
90         }
91     }
92      public void setChildAt(int childIndex, ASTObject child) {
93         switch(childIndex) {
94         case 0: setTypeD((TypeD)child); return;
95         default: super.setChildAt(childIndex, child); return;
96         }
97     }
98      public int getChildCount() {
99         return 1;
100     }
101
102     public String JavaDoc getDefaultDisplayName() {
103         return "ClassExpr()";
104     }
105
106     //END: Generated from @child and @property
107 }
108
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