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 
  22 package com.sun.org.apache.xalan.internal.xsltc.compiler;
  23 
  24 import java.util.Vector;
  25 
  26 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
  27 import com.sun.org.apache.bcel.internal.generic.INVOKESTATIC;
  28 import com.sun.org.apache.bcel.internal.generic.InstructionList;
  29 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
  30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
  31 
  32 /**
  33  * @author Jacek Ambroziak
  34  * @author Santiago Pericas-Geertsen
  35  */
  36 final class GenerateIdCall extends FunctionCall {
  37     public GenerateIdCall(QName fname, Vector arguments) {
  38         super(fname, arguments);
  39     }
  40 
  41     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
  42         final InstructionList il = methodGen.getInstructionList();
  43         if (argumentCount() == 0) {
  44            il.append(methodGen.loadContextNode());
  45         }
  46         else {                  // one argument
  47             argument().translate(classGen, methodGen);
  48         }
  49         final ConstantPoolGen cpg = classGen.getConstantPool();
  50         il.append(new INVOKESTATIC(cpg.addMethodref(BASIS_LIBRARY_CLASS,
  51                                                     "generate_idF",
  52                                                     // reuse signature
  53                                                     GET_NODE_NAME_SIG)));
  54     }
  55 }