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
21package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
22
23import com.sun.org.apache.bcel.internal.generic.ALOAD;
24import com.sun.org.apache.bcel.internal.generic.ASTORE;
25import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
26import com.sun.org.apache.bcel.internal.generic.Instruction;
27import com.sun.org.apache.bcel.internal.generic.InstructionList;
28import com.sun.org.apache.bcel.internal.generic.Type;
29
30/**
31 * @author Santiago Pericas-Geertsen
32 */
33public final class AttributeSetMethodGenerator extends MethodGenerator {
34
35    protected static final int CURRENT_INDEX  = 4;
36    private static final int PARAM_START_INDEX = 5;
37
38    private static final String[] argNames = new String[4];
39    private static final com.sun.org.apache.bcel.internal.generic.Type[] argTypes =
40        new com.sun.org.apache.bcel.internal.generic.Type[4];
41
42    static {
43        argTypes[0] = Util.getJCRefType(DOM_INTF_SIG);
44        argTypes[1] = Util.getJCRefType(NODE_ITERATOR_SIG);
45        argTypes[2] = Util.getJCRefType(TRANSLET_OUTPUT_SIG);
46        argTypes[3] = com.sun.org.apache.bcel.internal.generic.Type.INT;
47        argNames[0] = DOCUMENT_PNAME;
48        argNames[1] = ITERATOR_PNAME;
49        argNames[2] = TRANSLET_OUTPUT_PNAME;
50        argNames[3] = NODE_PNAME;
51    }
52
53   public AttributeSetMethodGenerator(String methodName, ClassGenerator classGen) {
54        super(com.sun.org.apache.bcel.internal.Const.ACC_PRIVATE,
55              com.sun.org.apache.bcel.internal.generic.Type.VOID,
56              argTypes, argNames, methodName,
57              classGen.getClassName(),
58              new InstructionList(),
59              classGen.getConstantPool());
60   }
61
62    public int getLocalIndex(String name) {
63        if (name.equals("current")) {
64            return CURRENT_INDEX;
65        }
66        return super.getLocalIndex(name);
67    }
68
69    public Instruction loadParameter(int index) {
70        return new ALOAD(index + PARAM_START_INDEX);
71    }
72
73    public Instruction storeParameter(int index) {
74        return new ASTORE(index + PARAM_START_INDEX);
75    }
76}
77