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1 /* |
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.tools.classfile; |
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27 |
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28 import java.io.IOException; |
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29 |
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30 /** |
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31 * See JVMS, section 4.8.13. |
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32 * |
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33 * <p><b>This is NOT part of any supported API. |
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34 * If you write code that depends on this, you do so at your own risk. |
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35 * This code and its internal interfaces are subject to change or |
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36 * deletion without notice.</b> |
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37 */ |
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38 public class MethodParameters_attribute extends Attribute { |
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39 |
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40 public final int method_parameter_table_length; |
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41 public final Entry[] method_parameter_table; |
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42 |
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43 MethodParameters_attribute(ClassReader cr, |
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44 int name_index, |
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45 int length) |
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46 throws IOException { |
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47 super(name_index, length); |
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48 |
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49 method_parameter_table_length = cr.readUnsignedByte(); |
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50 method_parameter_table = new Entry[method_parameter_table_length]; |
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51 for (int i = 0; i < method_parameter_table_length; i++) |
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52 method_parameter_table[i] = new Entry(cr); |
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53 } |
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54 |
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55 public MethodParameters_attribute(ConstantPool constant_pool, |
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56 Entry[] method_parameter_table) |
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57 throws ConstantPoolException { |
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58 this(constant_pool.getUTF8Index(Attribute.MethodParameters), |
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59 method_parameter_table); |
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60 } |
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61 |
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62 public MethodParameters_attribute(int name_index, |
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63 Entry[] method_parameter_table) { |
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64 super(name_index, 1 + method_parameter_table.length * Entry.length()); |
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65 this.method_parameter_table_length = method_parameter_table.length; |
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66 this.method_parameter_table = method_parameter_table; |
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67 } |
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68 |
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69 public <R, D> R accept(Visitor<R, D> visitor, D data) { |
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70 return visitor.visitMethodParameters(this, data); |
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71 } |
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72 |
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73 public static class Entry { |
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74 Entry(ClassReader cr) throws IOException { |
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75 name_index = cr.readUnsignedShort(); |
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76 flags = cr.readUnsignedShort(); |
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77 } |
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78 |
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79 public static int length() { |
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80 return 6; |
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81 } |
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82 |
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83 public final int name_index; |
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84 public final int flags; |
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85 } |
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86 |
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87 } |