1 /*
2  * reserved comment block
3  * DO NOT REMOVE OR ALTER!
4  */
5 /*
6  * Copyright 2001-2004 The Apache Software Foundation.
7  *
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *     http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  */
20 /*
21  * $Id: NameCall.java,v 1.2.4.1 2005/09/02 10:19:11 pvedula Exp $
22  */
23 
24 package com.sun.org.apache.xalan.internal.xsltc.compiler;
25 
26 import java.util.Vector;
27 
28 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
29 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
30 import com.sun.org.apache.bcel.internal.generic.InstructionList;
31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
33 
34 /**
35  * @author Jacek Ambroziak
36  * @author Santiago Pericas-Geertsen
37  * @author Morten Jorgensen
38  */
39 final class NameCall extends NameBase {
40 
41     /**
42      * Handles calls with no parameter (current node is implicit parameter).
43      */
NameCall(QName fname)44     public NameCall(QName fname) {
45         super(fname);
46     }
47 
48     /**
49      * Handles calls with one parameter (either node or node-set).
50      */
NameCall(QName fname, Vector arguments)51     public NameCall(QName fname, Vector arguments) {
52         super(fname, arguments);
53     }
54 
55     /**
56      * Translate code that leaves a node's QName (as a String) on the stack
57      */
translate(ClassGenerator classGen, MethodGenerator methodGen)58     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
59         final ConstantPoolGen cpg = classGen.getConstantPool();
60         final InstructionList il = methodGen.getInstructionList();
61 
62         final int getName = cpg.addInterfaceMethodref(DOM_INTF,
63                                                       GET_NODE_NAME,
64                                                       GET_NODE_NAME_SIG);
65         super.translate(classGen, methodGen);
66         il.append(new INVOKEINTERFACE(getName, 2));
67     }
68 }
69