Package com.sun.org.apache.xalan.internal.xsltc.compiler

Source Code of com.sun.org.apache.xalan.internal.xsltc.compiler.NotCall

/*
* Copyright (c) 2007-2012, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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,v 1.2.4.1 2005/09/02 10:32:18 pvedula Exp $
*/

package com.sun.org.apache.xalan.internal.xsltc.compiler;

import java.util.Vector;

import com.sun.org.apache.bcel.internal.generic.BranchHandle;
import com.sun.org.apache.bcel.internal.generic.GOTO;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.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);
    }
}
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