/*
* 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: NotCall.java 468650 2006-10-28 07:03:30Z minchau $
*/
package org.apache.xalan.xsltc.compiler;
import java.util.Vector;
import org.apache.bcel.generic.BranchHandle;
import org.apache.bcel.generic.GOTO;
import org.apache.bcel.generic.InstructionList;
import org.apache.xalan.xsltc.compiler.util.ClassGenerator;
import org.apache.xalan.xsltc.compiler.util.MethodGenerator;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
final class NotCall extends FunctionCall {
public NotCall(QName fname, Vector arguments) {
super(fname, arguments);
}
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final InstructionList il = methodGen.getInstructionList();
argument().translate(classGen, methodGen);
il.append(ICONST_1);
il.append(IXOR);
}
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final InstructionList il = methodGen.getInstructionList();
final Expression exp = argument();
exp.translateDesynthesized(classGen, methodGen);
final BranchHandle gotoh = il.append(new GOTO(null));
_trueList = exp._falseList; // swap flow lists
_falseList = exp._trueList;
_falseList.add(gotoh);
}
}