/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: TestGenerator.java,v 1.2.4.1 2005/09/05 11:36:49 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
import com.sun.org.apache.bcel.internal.generic.ALOAD;
import com.sun.org.apache.bcel.internal.generic.ASTORE;
import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
import com.sun.org.apache.bcel.internal.generic.ILOAD;
import com.sun.org.apache.bcel.internal.generic.ISTORE;
import com.sun.org.apache.bcel.internal.generic.Instruction;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.bcel.internal.generic.Type;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
* @author Morten Jorgensen
*/
public final class TestGenerator extends MethodGenerator {
private static int CONTEXT_NODE_INDEX = 1;
private static int CURRENT_NODE_INDEX = 4;
private static int ITERATOR_INDEX = 6;
private Instruction _aloadDom;
private final Instruction _iloadCurrent;
private final Instruction _iloadContext;
private final Instruction _istoreCurrent;
private final Instruction _istoreContext;
private final Instruction _astoreIterator;
private final Instruction _aloadIterator;
public TestGenerator(int access_flags, Type return_type,
Type[] arg_types, String[] arg_names,
String method_name, String class_name,
InstructionList il, ConstantPoolGen cp) {
super(access_flags, return_type, arg_types, arg_names, method_name,
class_name, il, cp);
_iloadCurrent = new ILOAD(CURRENT_NODE_INDEX);
_istoreCurrent = new ISTORE(CURRENT_NODE_INDEX);
_iloadContext = new ILOAD(CONTEXT_NODE_INDEX);
_istoreContext = new ILOAD(CONTEXT_NODE_INDEX);
_astoreIterator = new ASTORE(ITERATOR_INDEX);
_aloadIterator = new ALOAD(ITERATOR_INDEX);
}
public int getHandlerIndex() {
return INVALID_INDEX; // not available
}
public int getIteratorIndex() {
return ITERATOR_INDEX; // not available
}
public void setDomIndex(int domIndex) {
_aloadDom = new ALOAD(domIndex);
}
public Instruction loadDOM() {
return _aloadDom;
}
public Instruction loadCurrentNode() {
return _iloadCurrent;
}
/** by default context node is the same as current node. MK437 */
public Instruction loadContextNode() {
return _iloadContext;
}
public Instruction storeContextNode() {
return _istoreContext;
}
public Instruction storeCurrentNode() {
return _istoreCurrent;
}
public Instruction storeIterator() {
return _astoreIterator;
}
public Instruction loadIterator() {
return _aloadIterator;
}
public int getLocalIndex(String name) {
if (name.equals("current")) {
return CURRENT_NODE_INDEX;
}
else {
return super.getLocalIndex(name);
}
}
}