NotCall.java revision 1113:2fdbfbde3bc0
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 22package com.sun.org.apache.xalan.internal.xsltc.compiler; 23 24import java.util.Vector; 25 26import com.sun.org.apache.bcel.internal.generic.BranchHandle; 27import com.sun.org.apache.bcel.internal.generic.GOTO; 28import com.sun.org.apache.bcel.internal.generic.InstructionList; 29import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 30import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 31 32/** 33 * @author Jacek Ambroziak 34 * @author Santiago Pericas-Geertsen 35 */ 36final class NotCall extends FunctionCall { 37 public NotCall(QName fname, Vector arguments) { 38 super(fname, arguments); 39 } 40 41 public void translate(ClassGenerator classGen, MethodGenerator methodGen) { 42 final InstructionList il = methodGen.getInstructionList(); 43 argument().translate(classGen, methodGen); 44 il.append(ICONST_1); 45 il.append(IXOR); 46 } 47 48 public void translateDesynthesized(ClassGenerator classGen, 49 MethodGenerator methodGen) { 50 final InstructionList il = methodGen.getInstructionList(); 51 final Expression exp = argument(); 52 exp.translateDesynthesized(classGen, methodGen); 53 final BranchHandle gotoh = il.append(new GOTO(null)); 54 _trueList = exp._falseList; // swap flow lists 55 _falseList = exp._trueList; 56 _falseList.add(gotoh); 57 } 58} 59