| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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: VariableRef.java,v 1.2.4.1 2005/09/05 09:33:50 pvedula 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; |
| |
| /** |
| * @author Jacek Ambroziak |
| * @author Santiago Pericas-Geertsen |
| * @author Morten Jorgensen |
| * @author Erwin Bolwidt <ejb@klomp.org> |
| */ |
| final class VariableRef extends VariableRefBase { |
| |
| public VariableRef(Variable variable) { |
| super(variable); |
| } |
| |
| public void translate(ClassGenerator classGen, MethodGenerator methodGen) { |
| final ConstantPoolGen cpg = classGen.getConstantPool(); |
| final InstructionList il = methodGen.getInstructionList(); |
| |
| // Fall-through for variables that are implemented as methods |
| if (_type.implementedAsMethod()) return; |
| |
| final String name = _variable.getEscapedName(); |
| 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()); |
| } |
| } |
| else { |
| il.append(_variable.loadInstruction()); |
| } |
| } |
| 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)); |
| } |
| } |
| } |