- /*
- * 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: ParameterRef.java,v 1.17 2004/02/16 22:24:28 minchau Exp $
- */
-
- package com.sun.org.apache.xalan.internal.xsltc.compiler;
-
- import com.sun.org.apache.bcel.internal.generic.CHECKCAST;
- import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
- import com.sun.org.apache.bcel.internal.generic.GETFIELD;
- import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
- 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.NodeSetType;
- import com.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary;
-
- /**
- * @author Jacek Ambroziak
- * @author Santiago Pericas-Geertsen
- * @author Morten Jorgensen
- * @author Erwin Bolwidt <ejb@klomp.org>
- */
- final class ParameterRef extends VariableRefBase {
-
- /**
- * Name of param being referenced.
- */
- QName _name = null;
-
- public ParameterRef(Param param) {
- super(param);
- _name = param._name;
-
- }
-
- public String toString() {
- return "parameter-ref("+_variable.getName()+'/'+_variable.getType()+')';
- }
-
- public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
- final ConstantPoolGen cpg = classGen.getConstantPool();
- final InstructionList il = methodGen.getInstructionList();
-
- /*
- * To fix bug 24518 related to setting parameters of the form
- * {namespaceuri}localName, which will get mapped to an instance
- * variable in the class.
- */
- final String name = BasisLibrary.mapQNameToJavaName (_name.toString());
- final String signature = _type.toSignature();
-
- if (_variable.isLocal()) {
- if (classGen.isExternal()) {
- Closure variableClosure = _closure;
- while (variableClosure != null) {
- if (variableClosure.inInnerClass()) break;
- variableClosure = variableClosure.getParentClosure();
- }
-
- if (variableClosure != null) {
- il.append(ALOAD_0);
- il.append(new GETFIELD(
- cpg.addFieldref(variableClosure.getInnerClassName(),
- name, signature)));
- }
- else {
- il.append(_variable.loadInstruction());
- _variable.removeReference(this);
- }
- }
- else {
- il.append(_variable.loadInstruction());
- _variable.removeReference(this);
- }
- }
- else {
- final String className = classGen.getClassName();
- il.append(classGen.loadTranslet());
- if (classGen.isExternal()) {
- il.append(new CHECKCAST(cpg.addClass(className)));
- }
- il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));
- }
-
- if (_variable.getType() instanceof NodeSetType) {
- // The method cloneIterator() also does resetting
- final int clone = cpg.addInterfaceMethodref(NODE_ITERATOR,
- "cloneIterator",
- "()" +
- NODE_ITERATOR_SIG);
- il.append(new INVOKEINTERFACE(clone, 1));
- }
- }
- }