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


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: GenerateIdCall.java,v 1.7 2004/02/16 22:24:29 minchau Exp $
18  */
19
20 package com.sun.org.apache.xalan.internal.xsltc.compiler;
21
22 import java.util.Vector JavaDoc;
23
24 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
25 import com.sun.org.apache.bcel.internal.generic.INVOKESTATIC;
26 import com.sun.org.apache.bcel.internal.generic.InstructionList;
27 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
28 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
29
30 /**
31  * @author Jacek Ambroziak
32  * @author Santiago Pericas-Geertsen
33  */
34 final class GenerateIdCall extends FunctionCall {
35     public GenerateIdCall(QName fname, Vector JavaDoc arguments) {
36     super(fname, arguments);
37     }
38
39     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
40     final InstructionList il = methodGen.getInstructionList();
41     if (argumentCount() == 0) {
42        il.append(methodGen.loadContextNode());
43     }
44     else { // one argument
45 argument().translate(classGen, methodGen);
46     }
47     final ConstantPoolGen cpg = classGen.getConstantPool();
48     il.append(new INVOKESTATIC(cpg.addMethodref(BASIS_LIBRARY_CLASS,
49                             "generate_idF",
50                             // reuse signature
51 GET_NODE_NAME_SIG)));
52     }
53 }
54
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