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*/ |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. 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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package com.sun.org.apache.xalan.internal.xsltc.compiler; |
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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.ILOAD; |
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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.CompareGenerator; |
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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.TestGenerator; |
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*/ |
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final class LastCall extends FunctionCall { |
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public LastCall(QName fname) { |
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super(fname); |
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} |
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public boolean hasPositionCall() { |
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return true; |
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} |
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public boolean hasLastCall() { |
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return true; |
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} |
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public void translate(ClassGenerator classGen, MethodGenerator methodGen) { |
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final InstructionList il = methodGen.getInstructionList(); |
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if (methodGen instanceof CompareGenerator) { |
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il.append(((CompareGenerator)methodGen).loadLastNode()); |
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} |
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else if (methodGen instanceof TestGenerator) { |
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il.append(new ILOAD(LAST_INDEX)); |
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} |
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else { |
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final ConstantPoolGen cpg = classGen.getConstantPool(); |
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final int getLast = cpg.addInterfaceMethodref(NODE_ITERATOR, |
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"getLast", |
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"()I"); |
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il.append(methodGen.loadIterator()); |
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il.append(new INVOKEINTERFACE(getLast, 1)); |
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} |
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} |
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} |