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.ClassGen;
  import org.apache.bcel.generic.Instruction;
  import org.apache.bcel.generic.InstructionList;
  
  /**
   * @author Jacek Ambroziak
   * @author Santiago Pericas-Geertsen
   */
  public final class AttributeSetMethodGenerator extends MethodGenerator {
      private static final int DOM_INDEX       = 1;
      private static final int ITERATOR_INDEX  = 2;
      private static final int HANDLER_INDEX   = 3;
  
      private static final org.apache.bcel.generic.Type[] argTypes =
     new org.apache.bcel.generic.Type[3];
      private static final String[] argNames = new String[3];
      
      static {
         argTypes[0] = Util.getJCRefType(DOM_INTF_SIG);
         argNames[0] = DOM_PNAME;
         argTypes[1] = Util.getJCRefType(NODE_ITERATOR_SIG);
         argNames[1] = ITERATOR_PNAME;
         argTypes[2] = Util.getJCRefType(TRANSLET_OUTPUT_SIG);
         argNames[2] = TRANSLET_OUTPUT_PNAME;
      }
  
      
      private final Instruction _aloadDom;
      private final Instruction _astoreDom;
      private final Instruction _astoreIterator;
      private final Instruction _aloadIterator;
      private final Instruction _astoreHandler;
      private final Instruction _aloadHandler;
      
      public AttributeSetMethodGenerator(String methodName, ClassGen classGen) {
  	super(org.apache.bcel.Constants.ACC_PRIVATE,
  	      org.apache.bcel.generic.Type.VOID,
  	      argTypes, argNames, methodName, 
  	      classGen.getClassName(),
  	      new InstructionList(),
  	      classGen.getConstantPool());
  	
  	_aloadDom       = new ALOAD(DOM_INDEX);
  	_astoreDom      = new ASTORE(DOM_INDEX);
  	_astoreIterator = new ASTORE(ITERATOR_INDEX);
  	_aloadIterator  = new ALOAD(ITERATOR_INDEX);
  	_astoreHandler  = new ASTORE(HANDLER_INDEX);
  	_aloadHandler   = new ALOAD(HANDLER_INDEX);
      }
  
      public Instruction storeIterator() {
  	return _astoreIterator;
      }
      
      public Instruction loadIterator() {
  	return _aloadIterator;
      }
  
      public int getIteratorIndex() {
  	return ITERATOR_INDEX;
      }
  
      public Instruction storeHandler() {
  	return _astoreHandler;
      }
  
      public Instruction loadHandler() {
  	return _aloadHandler;
      }
  
      public int getLocalIndex(String name) {
  	return INVALID_INDEX;	// not available
      }
  }
  