1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xalan.internal.xsltc.compiler;
  22 
  23 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
  24 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
  25 import com.sun.org.apache.bcel.internal.generic.InstructionList;
  26 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
  27 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
  28 import java.util.List;
  29 
  30 /**
  31  * @author Jacek Ambroziak
  32  * @author Santiago Pericas-Geertsen
  33  * @author Morten Jorgensen
  34  * @LastModified: Oct 2017
  35  */
  36 final class NameCall extends NameBase {
  37 
  38     /**
  39      * Handles calls with no parameter (current node is implicit parameter).
  40      */
  41     public NameCall(QName fname) {
  42         super(fname);
  43     }
  44 
  45     /**
  46      * Handles calls with one parameter (either node or node-set).
  47      */
  48     public NameCall(QName fname, List<Expression> arguments) {
  49         super(fname, arguments);
  50     }
  51 
  52     /**
  53      * Translate code that leaves a node's QName (as a String) on the stack
  54      */
  55     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
  56         final ConstantPoolGen cpg = classGen.getConstantPool();
  57         final InstructionList il = methodGen.getInstructionList();
  58 
  59         final int getName = cpg.addInterfaceMethodref(DOM_INTF,
  60                                                       GET_NODE_NAME,
  61                                                       GET_NODE_NAME_SIG);
  62         super.translate(classGen, methodGen);
  63         il.append(new INVOKEINTERFACE(getName, 2));
  64     }
  65 }