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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/processor/LanguageRegistrationTest.java @ 21481:bb51b9a142b3

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Enforcing public, one parameter constructor for each TruffleLanguage by annotation processor and required call to super.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Mon, 25 May 2015 12:26:53 +0200
parents
children f5b49d881909 b1530a6cce8c
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1 /*
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2 * Copyright (c) 2014, 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.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.dsl.test.processor;
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24
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25 import com.oracle.truffle.api.TruffleLanguage;
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26 import com.oracle.truffle.api.dsl.ExpectError;
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27 import com.oracle.truffle.api.source.Source;
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28 import java.io.IOException;
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29
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30 public class LanguageRegistrationTest {
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31
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32 @ExpectError("Registered language class must be public")
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33 @TruffleLanguage.Registration(name = "myLang", mimeType = "text/x-my")
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34 private static final class MyLang {
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35 }
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36
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37 @ExpectError("Registered language inner-class must be static")
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38 @TruffleLanguage.Registration(name = "myLangNonStatic", mimeType = "text/x-my")
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39 public final class MyLangNonStatic {
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40 }
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41
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42 @ExpectError("Registered language class must subclass TruffleLanguage")
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43 @TruffleLanguage.Registration(name = "myLang", mimeType = "text/x-my")
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44 public static final class MyLangNoSubclass {
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45 }
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46
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47 @ExpectError("Language must have a public constructor accepting TruffleLanguage.Env as parameter")
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48 @TruffleLanguage.Registration(name = "myLangNoCnstr", mimeType = "text/x-my")
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49 public static final class MyLangWrongConstr extends TruffleLanguage {
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50 private MyLangWrongConstr() {
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51 super(null);
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52 }
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53
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54 @Override
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55 protected Object eval(Source code) throws IOException {
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56 return null;
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57 }
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58
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59 @Override
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60 protected Object findExportedSymbol(String globalName) {
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61 return null;
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62 }
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63
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64 @Override
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65 protected Object getLanguageGlobal() {
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66 return null;
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67 }
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68
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69 @Override
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70 protected boolean isObjectOfLanguage(Object object) {
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71 return false;
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72 }
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73 }
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74
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75 @ExpectError("Language must have a public constructor accepting TruffleLanguage.Env as parameter")
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76 @TruffleLanguage.Registration(name = "myLangNoCnstr", mimeType = "text/x-my")
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77 public static final class MyLangNoConstr extends TruffleLanguage {
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78 public MyLangNoConstr() {
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79 super(null);
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80 }
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81
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82 @Override
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83 protected Object eval(Source code) throws IOException {
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84 return null;
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85 }
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86
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87 @Override
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88 protected Object findExportedSymbol(String globalName) {
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89 return null;
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90 }
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91
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92 @Override
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93 protected Object getLanguageGlobal() {
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94 return null;
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95 }
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96
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97 @Override
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98 protected boolean isObjectOfLanguage(Object object) {
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99 return false;
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100 }
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101 }
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102
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103 @TruffleLanguage.Registration(name = "myLangGood", mimeType = "text/x-my")
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104 public static final class MyLangGood extends TruffleLanguage {
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105 public MyLangGood(TruffleLanguage.Env env) {
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106 super(env);
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107 }
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108
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109 @Override
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110 protected Object eval(Source code) throws IOException {
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111 return null;
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112 }
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113
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114 @Override
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115 protected Object findExportedSymbol(String globalName) {
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116 return null;
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117 }
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118
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119 @Override
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120 protected Object getLanguageGlobal() {
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121 return null;
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122 }
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123
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124 @Override
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125 protected boolean isObjectOfLanguage(Object object) {
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126 return false;
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127 }
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128 }
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129 }