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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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: NamedMethodGenerator.java,v 1.2 2009/12/10 03:18:37 matthewoliver Exp $
*/
package org.apache.xalan.xsltc.compiler.util;
import org.apache.bcel.generic.ALOAD;
import org.apache.bcel.generic.ASTORE;
import org.apache.bcel.generic.ConstantPoolGen;
import org.apache.bcel.generic.Instruction;
import org.apache.bcel.generic.InstructionList;
import org.apache.bcel.generic.Type;
/**
* This class is used for named templates. Named template methods have access
* to the DOM, the current iterator, the handler and the current node.
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
public final class NamedMethodGenerator extends MethodGenerator {
protected static final int CURRENT_INDEX = 4;
// The index of the first parameter (after dom/iterator/handler/current)
private static final int PARAM_START_INDEX = 5;
public NamedMethodGenerator(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);
}
public int getLocalIndex(String name) {
if (name.equals("current")) {
return CURRENT_INDEX;
}
return super.getLocalIndex(name);
}
public Instruction loadParameter(int index) {
return new ALOAD(index + PARAM_START_INDEX);
}
public Instruction storeParameter(int index) {
return new ASTORE(index + PARAM_START_INDEX);
}
}
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