1 /* |
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2 * Copyright (c) 2015, 2017, 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 jdk.internal.misc; |
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27 |
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28 import java.lang.invoke.MethodType; |
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29 import java.util.Map; |
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30 |
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31 public interface JavaLangInvokeAccess { |
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32 /** |
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33 * Create a new MemberName instance. Used by {@code StackFrameInfo}. |
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34 */ |
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35 Object newMemberName(); |
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36 |
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37 /** |
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38 * Returns the name for the given MemberName. Used by {@code StackFrameInfo}. |
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39 */ |
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40 String getName(Object mname); |
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41 |
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42 /** |
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43 * Returns the {@code MethodType} for the given MemberName. |
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44 * Used by {@code StackFrameInfo}. |
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45 */ |
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46 MethodType getMethodType(Object mname); |
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47 |
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48 /** |
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49 * Returns the descriptor for the given MemberName. |
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50 * Used by {@code StackFrameInfo}. |
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51 */ |
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52 String getMethodDescriptor(Object mname); |
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53 |
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54 /** |
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55 * Returns {@code true} if the given MemberName is a native method. |
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56 * Used by {@code StackFrameInfo}. |
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57 */ |
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58 boolean isNative(Object mname); |
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59 |
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60 /** |
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61 * Returns the declaring class for the given MemberName. |
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62 * Used by {@code StackFrameInfo}. |
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63 */ |
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64 Class<?> getDeclaringClass(Object mname); |
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65 |
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66 /** |
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67 * Returns a {@code byte[]} representation of a class implementing |
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68 * DirectMethodHandle of each pairwise combination of {@code MethodType} and |
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69 * an {@code int} representing method type. Used by |
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70 * GenerateJLIClassesPlugin to generate such a class during the jlink phase. |
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71 */ |
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72 byte[] generateDirectMethodHandleHolderClassBytes(String className, |
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73 MethodType[] methodTypes, int[] types); |
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74 |
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75 /** |
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76 * Returns a {@code byte[]} representation of a class implementing |
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77 * DelegatingMethodHandles of each {@code MethodType} kind in the |
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78 * {@code methodTypes} argument. Used by GenerateJLIClassesPlugin to |
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79 * generate such a class during the jlink phase. |
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80 */ |
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81 byte[] generateDelegatingMethodHandleHolderClassBytes(String className, |
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82 MethodType[] methodTypes); |
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83 |
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84 /** |
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85 * Returns a {@code byte[]} representation of {@code BoundMethodHandle} |
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86 * species class implementing the signature defined by {@code types}. Used |
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87 * by GenerateJLIClassesPlugin to enable generation of such classes during |
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88 * the jlink phase. Should do some added validation since this string may be |
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89 * user provided. |
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90 */ |
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91 Map.Entry<String, byte[]> generateConcreteBMHClassBytes( |
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92 final String types); |
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93 |
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94 /** |
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95 * Returns a {@code byte[]} representation of a class implementing |
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96 * the zero and identity forms of all {@code LambdaForm.BasicType}s. |
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97 */ |
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98 byte[] generateBasicFormsClassBytes(final String className); |
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99 |
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100 /** |
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101 * Returns a {@code byte[]} representation of a class implementing |
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102 * the invoker forms for the set of supplied {@code invokerMethodTypes} |
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103 * and {@code callSiteMethodTypes}. |
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104 */ |
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105 byte[] generateInvokersHolderClassBytes(String className, |
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106 MethodType[] invokerMethodTypes, |
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107 MethodType[] callSiteMethodTypes); |
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108 |
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109 } |
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