1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
  23 
  24 import com.sun.org.apache.bcel.internal.generic.ALOAD;
  25 import com.sun.org.apache.bcel.internal.generic.ASTORE;
  26 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
  27 import com.sun.org.apache.bcel.internal.generic.Instruction;
  28 import com.sun.org.apache.bcel.internal.generic.InstructionList;
  29 import com.sun.org.apache.bcel.internal.generic.Type;
  30 
  31 /**
  32  * This class is used for result trees implemented as methods. These
  33  * methods take a reference to the DOM and to the handler only.
  34  * @author Jacek Ambroziak
  35  * @author Santiago Pericas-Geertsen
  36  */
  37 public final class RtMethodGenerator extends MethodGenerator {
  38     private static final int HANDLER_INDEX = 2;
  39     private final Instruction _astoreHandler;
  40     private final Instruction _aloadHandler;
  41 
  42     public RtMethodGenerator(int access_flags, Type return_type,
  43                              Type[] arg_types, String[] arg_names,
  44                              String method_name, String class_name,
  45                              InstructionList il, ConstantPoolGen cp) {
  46         super(access_flags, return_type, arg_types, arg_names, method_name,
  47               class_name, il, cp);
  48 
  49         _astoreHandler = new ASTORE(HANDLER_INDEX);
  50         _aloadHandler  = new ALOAD(HANDLER_INDEX);
  51     }
  52 
  53     public int getIteratorIndex() {
  54         return INVALID_INDEX;           // not available
  55     }
  56 
  57     public final Instruction storeHandler() {
  58         return _astoreHandler;
  59     }
  60 
  61     public final Instruction loadHandler() {
  62         return _aloadHandler;
  63     }
  64 
  65     public int getLocalIndex(String name) {
  66         return INVALID_INDEX;           // not available
  67     }
  68 }