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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* $Id: NamedMethodGenerator.java,v 1.2 2009/12/10 03:18:37 matthewoliver Exp $
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package org.apache.xalan.xsltc.compiler.util;
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import org.apache.bcel.generic.ALOAD;
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import org.apache.bcel.generic.ASTORE;
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import org.apache.bcel.generic.ConstantPoolGen;
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import org.apache.bcel.generic.Instruction;
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import org.apache.bcel.generic.InstructionList;
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import org.apache.bcel.generic.Type;
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* This class is used for named templates. Named template methods have access
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* to the DOM, the current iterator, the handler and the current node.
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* @author Jacek Ambroziak
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* @author Santiago Pericas-Geertsen
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public final class NamedMethodGenerator extends MethodGenerator {
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protected static final int CURRENT_INDEX = 4;
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// The index of the first parameter (after dom/iterator/handler/current)
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private static final int PARAM_START_INDEX = 5;
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public NamedMethodGenerator(int access_flags, Type return_type,
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Type[] arg_types, String[] arg_names,
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String method_name, String class_name,
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InstructionList il, ConstantPoolGen cp) {
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super(access_flags, return_type, arg_types, arg_names, method_name,
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public int getLocalIndex(String name) {
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if (name.equals("current")) {
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return super.getLocalIndex(name);
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public Instruction loadParameter(int index) {
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return new ALOAD(index + PARAM_START_INDEX);
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public Instruction storeParameter(int index) {
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return new ASTORE(index + PARAM_START_INDEX);