code: /*
   * 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.
   */
  /*
   * $Id$
   */
  
  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);
      }
  }
  