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Java > Open Source Codes > com > sun > org > apache > xalan > internal > xsltc > compiler > util > RtMethodGenerator


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation.
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  * $Id: RtMethodGenerator.java,v 1.5 2004/02/16 22:26:45 minchau Exp $
18  */

19
20 package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
21
22 import com.sun.org.apache.bcel.internal.generic.ALOAD;
23 import com.sun.org.apache.bcel.internal.generic.ASTORE;
24 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
25 import com.sun.org.apache.bcel.internal.generic.Instruction;
26 import com.sun.org.apache.bcel.internal.generic.InstructionList;
27 import com.sun.org.apache.bcel.internal.generic.Type;
28
29 /**
30  * This class is used for result trees implemented as methods. These
31  * methods take a reference to the DOM and to the handler only.
32  * @author Jacek Ambroziak
33  * @author Santiago Pericas-Geertsen
34  */

35 public final class RtMethodGenerator extends MethodGenerator {
36     private static final int HANDLER_INDEX = 2;
37     private final Instruction _astoreHandler;
38     private final Instruction _aloadHandler;
39
40     public RtMethodGenerator(int access_flags, Type return_type,
41                  Type[] arg_types, String JavaDoc[] arg_names,
42                  String JavaDoc method_name, String JavaDoc class_name,
43                  InstructionList il, ConstantPoolGen cp) {
44     super(access_flags, return_type, arg_types, arg_names, method_name,
45           class_name, il, cp);
46     
47     _astoreHandler = new ASTORE(HANDLER_INDEX);
48     _aloadHandler = new ALOAD(HANDLER_INDEX);
49     }
50
51     public int getIteratorIndex() {
52     return INVALID_INDEX; // not available
53
}
54     
55     public final Instruction storeHandler() {
56     return _astoreHandler;
57     }
58
59     public final Instruction loadHandler() {
60     return _aloadHandler;
61     }
62
63     public int getLocalIndex(String JavaDoc name) {
64     return INVALID_INDEX; // not available
65
}
66 }
67
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