| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| /* |
| * $Id$ |
| */ |
| |
| package org.apache.xalan.xsltc.compiler; |
| |
| import java.util.Vector; |
| |
| import org.apache.bcel.generic.InstructionList; |
| import org.apache.xalan.xsltc.compiler.util.ClassGenerator; |
| import org.apache.xalan.xsltc.compiler.util.MethodGenerator; |
| import org.apache.xalan.xsltc.compiler.util.Type; |
| import org.apache.xalan.xsltc.compiler.util.TypeCheckError; |
| |
| /** |
| * @author Jacek Ambroziak |
| * @author Santiago Pericas-Geertsen |
| */ |
| final class NumberCall extends FunctionCall { |
| |
| public NumberCall(QName fname, Vector arguments) { |
| super(fname, arguments); |
| } |
| |
| public Type typeCheck(SymbolTable stable) throws TypeCheckError { |
| if (argumentCount() > 0) { |
| argument().typeCheck(stable); |
| } |
| return _type = Type.Real; |
| } |
| |
| public void translate(ClassGenerator classGen, MethodGenerator methodGen) { |
| final InstructionList il = methodGen.getInstructionList(); |
| Type targ; |
| |
| if (argumentCount() == 0) { |
| il.append(methodGen.loadContextNode()); |
| targ = Type.Node; |
| } |
| else { |
| final Expression arg = argument(); |
| arg.translate(classGen, methodGen); |
| arg.startIterator(classGen, methodGen); |
| targ = arg.getType(); |
| } |
| |
| if (!targ.identicalTo(Type.Real)) { |
| targ.translateTo(classGen, methodGen, Type.Real); |
| } |
| } |
| } |