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/*
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* reserved comment block
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* DO NOT REMOVE OR ALTER!
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*/
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/*
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* Copyright 2001-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: ParameterRef.java,v 1.2.4.1 2005/09/02 11:05:08 pvedula Exp $
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*/
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package com.sun.org.apache.xalan.internal.xsltc.compiler;
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import com.sun.org.apache.bcel.internal.generic.CHECKCAST;
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import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
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import com.sun.org.apache.bcel.internal.generic.GETFIELD;
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import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
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import com.sun.org.apache.bcel.internal.generic.InstructionList;
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import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
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import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
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import com.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeSetType;
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import com.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary;
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/**
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* @author Jacek Ambroziak
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* @author Santiago Pericas-Geertsen
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* @author Morten Jorgensen
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* @author Erwin Bolwidt <ejb@klomp.org>
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*/
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final class ParameterRef extends VariableRefBase {
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/**
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* Name of param being referenced.
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*/
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QName _name = null;
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public ParameterRef(Param param) {
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super(param);
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_name = param._name;
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}
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public String toString() {
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return "parameter-ref("+_variable.getName()+'/'+_variable.getType()+')';
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}
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public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
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final ConstantPoolGen cpg = classGen.getConstantPool();
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final InstructionList il = methodGen.getInstructionList();
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/*
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* To fix bug 24518 related to setting parameters of the form
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* {namespaceuri}localName, which will get mapped to an instance
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* variable in the class.
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*/
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final String name = BasisLibrary.mapQNameToJavaName (_name.toString());
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final String signature = _type.toSignature();
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if (_variable.isLocal()) {
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if (classGen.isExternal()) {
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Closure variableClosure = _closure;
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while (variableClosure != null) {
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if (variableClosure.inInnerClass()) break;
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variableClosure = variableClosure.getParentClosure();
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}
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if (variableClosure != null) {
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il.append(ALOAD_0);
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il.append(new GETFIELD(
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cpg.addFieldref(variableClosure.getInnerClassName(),
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name, signature)));
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}
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else {
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il.append(_variable.loadInstruction());
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_variable.removeReference(this);
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}
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}
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else {
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il.append(_variable.loadInstruction());
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_variable.removeReference(this);
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}
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}
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else {
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final String className = classGen.getClassName();
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il.append(classGen.loadTranslet());
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if (classGen.isExternal()) {
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il.append(new CHECKCAST(cpg.addClass(className)));
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}
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il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));
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}
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if (_variable.getType() instanceof NodeSetType) {
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// The method cloneIterator() also does resetting
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final int clone = cpg.addInterfaceMethodref(NODE_ITERATOR,
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"cloneIterator",
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"()" +
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NODE_ITERATOR_SIG);
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il.append(new INVOKEINTERFACE(clone, 1));
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}
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}
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}
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