1/* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5/* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22package com.sun.org.apache.xalan.internal.xsltc.compiler; 23 24import java.util.Vector; 25 26import com.sun.org.apache.bcel.internal.generic.InstructionList; 27import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 28import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 29import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type; 30import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError; 31 32/** 33 * @author Jacek Ambroziak 34 * @author Santiago Pericas-Geertsen 35 */ 36final class NumberCall extends FunctionCall { 37 38 public NumberCall(QName fname, Vector arguments) { 39 super(fname, arguments); 40 } 41 42 public Type typeCheck(SymbolTable stable) throws TypeCheckError { 43 if (argumentCount() > 0) { 44 argument().typeCheck(stable); 45 } 46 return _type = Type.Real; 47 } 48 49 public void translate(ClassGenerator classGen, MethodGenerator methodGen) { 50 final InstructionList il = methodGen.getInstructionList(); 51 Type targ; 52 53 if (argumentCount() == 0) { 54 il.append(methodGen.loadContextNode()); 55 targ = Type.Node; 56 } 57 else { 58 final Expression arg = argument(); 59 arg.translate(classGen, methodGen); 60 arg.startIterator(classGen, methodGen); 61 targ = arg.getType(); 62 } 63 64 if (!targ.identicalTo(Type.Real)) { 65 targ.translateTo(classGen, methodGen, Type.Real); 66 } 67 } 68} 69