1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2001-2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 /* 21 * $Id: FilterGenerator.java,v 1.2.4.1 2005/09/05 11:13:52 pvedula Exp $ 22 */ 23 24 package com.sun.org.apache.xalan.internal.xsltc.compiler.util; 25 26 import com.sun.org.apache.bcel.internal.generic.ALOAD; 27 import com.sun.org.apache.bcel.internal.generic.Instruction; 28 import com.sun.org.apache.xalan.internal.xsltc.compiler.Stylesheet; 29 30 /** 31 * This class implements auxliary classes needed to compile 32 * filters (predicates). These classes defined a single method 33 * of type <tt>TestGenerator</tt>. 34 * @author Jacek Ambroziak 35 * @author Santiago Pericas-Geertsen 36 */ 37 public final class FilterGenerator extends ClassGenerator { 38 private static int TRANSLET_INDEX = 5; // translet 39 private final Instruction _aloadTranslet; 40 41 public FilterGenerator(String className, String superClassName, 42 String fileName, 43 int accessFlags, String[] interfaces, 44 Stylesheet stylesheet) { 45 super(className, superClassName, fileName, 46 accessFlags, interfaces, stylesheet); 47 48 _aloadTranslet = new ALOAD(TRANSLET_INDEX); 49 } 50 51 /** 52 * The index of the translet pointer within the execution of 53 * the test method. 54 */ 55 public final Instruction loadTranslet() { 56 return _aloadTranslet; 57 } 58 59 /** 60 * Returns <tt>true</tt> since this class is external to the 61 * translet. 62 */ 63 public boolean isExternal() { 64 return true; 65 } 66 }