/*
* Copyright (c) 2007-2014, 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: StringLengthCall.java,v 1.2.4.1 2005/09/05 09:08:46 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import java.util.Vector;
import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
import com.sun.org.apache.bcel.internal.generic.INVOKESTATIC;
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;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
final class StringLengthCall extends FunctionCall {
public StringLengthCall(QName fname, Vector arguments) {
super(fname, arguments);
}
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
if (argumentCount() > 0) {
argument().translate(classGen, methodGen);
}
else {
il.append(methodGen.loadContextNode());
Type.Node.translateTo(classGen, methodGen, Type.String);
}
il.append(new INVOKESTATIC(cpg.addMethodref(BASIS_LIBRARY_CLASS,
"getStringLength",
"(Ljava/lang/String;)I")));
}
}