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carbon-lang
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toolchain
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check
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testdata
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class
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fail_modifiers.carbon

fail_modifiers.carbon 13 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_modifiers.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_modifiers.carbon
    10. 

  10. 

  11. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:9: error: `private` repeated on declaration [ModifierRepeated]
    12. 

  12. // CHECK:STDERR: private private class DuplicatePrivate;
    13. 

  13. // CHECK:STDERR:         ^~~~~~~
    14. 

  14. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `private` previously appeared here [ModifierPrevious]
    15. 

  15. // CHECK:STDERR: private private class DuplicatePrivate;
    16. 

  16. // CHECK:STDERR: ^~~~~~~
    17. 

  17. // CHECK:STDERR:
    18. 

  18. private private class DuplicatePrivate;
    19. 

  19. 

  20. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: error: `abstract` not allowed on `class` forward declaration, only definition [ModifierOnlyAllowedOnDefinition]
    21. 

  21. // CHECK:STDERR: abstract class AbstractDecl;
    22. 

  22. // CHECK:STDERR: ^~~~~~~~
    23. 

  23. // CHECK:STDERR:
    24. 

  24. abstract class AbstractDecl;
    25. 

  25. 

  26. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:9: error: `protected` not allowed on declaration with `private` [ModifierNotAllowedWith]
    27. 

  27. // CHECK:STDERR: private protected class TwoAccess;
    28. 

  28. // CHECK:STDERR:         ^~~~~~~~~
    29. 

  29. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `private` previously appeared here [ModifierPrevious]
    30. 

  30. // CHECK:STDERR: private protected class TwoAccess;
    31. 

  31. // CHECK:STDERR: ^~~~~~~
    32. 

  32. // CHECK:STDERR:
    33. 

  33. private protected class TwoAccess;
    34. 

  34. 

  35. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: error: `base` not allowed on `class` forward declaration, only definition [ModifierOnlyAllowedOnDefinition]
    36. 

  36. // CHECK:STDERR: base class BaseDecl;
    37. 

  37. // CHECK:STDERR: ^~~~
    38. 

  38. // CHECK:STDERR:
    39. 

  39. base class BaseDecl;
    40. 

  40. 

  41. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:10: error: `abstract` repeated on declaration [ModifierRepeated]
    42. 

  42. // CHECK:STDERR: abstract abstract class TwoAbstract { }
    43. 

  43. // CHECK:STDERR:          ^~~~~~~~
    44. 

  44. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `abstract` previously appeared here [ModifierPrevious]
    45. 

  45. // CHECK:STDERR: abstract abstract class TwoAbstract { }
    46. 

  46. // CHECK:STDERR: ^~~~~~~~
    47. 

  47. // CHECK:STDERR:
    48. 

  48. abstract abstract class TwoAbstract { }
    49. 

  49. 

  50. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+15]]:19: error: `base` not allowed on declaration with `virtual` [ModifierNotAllowedWith]
    51. 

  51. // CHECK:STDERR: protected virtual base class Virtual {}
    52. 

  52. // CHECK:STDERR:                   ^~~~
    53. 

  53. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+12]]:11: note: `virtual` previously appeared here [ModifierPrevious]
    54. 

  54. // CHECK:STDERR: protected virtual base class Virtual {}
    55. 

  55. // CHECK:STDERR:           ^~~~~~~
    56. 

  56. // CHECK:STDERR:
    57. 

  57. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+8]]:1: error: `protected` not allowed; requires class scope [ModifierProtectedNotAllowed]
    58. 

  58. // CHECK:STDERR: protected virtual base class Virtual {}
    59. 

  59. // CHECK:STDERR: ^~~~~~~~~
    60. 

  60. // CHECK:STDERR:
    61. 

  61. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:11: error: `virtual` not allowed on `class` declaration [ModifierNotAllowedOnDeclaration]
    62. 

  62. // CHECK:STDERR: protected virtual base class Virtual {}
    63. 

  63. // CHECK:STDERR:           ^~~~~~~
    64. 

  64. // CHECK:STDERR:
    65. 

  65. protected virtual base class Virtual {}
    66. 

  66. 

  67. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:10: error: `protected` must appear before `abstract` [ModifierMustAppearBefore]
    68. 

  68. // CHECK:STDERR: abstract protected class WrongOrder { }
    69. 

  69. // CHECK:STDERR:          ^~~~~~~~~
    70. 

  70. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `abstract` previously appeared here [ModifierPrevious]
    71. 

  71. // CHECK:STDERR: abstract protected class WrongOrder { }
    72. 

  72. // CHECK:STDERR: ^~~~~~~~
    73. 

  73. // CHECK:STDERR:
    74. 

  74. abstract protected class WrongOrder { }
    75. 

  75. 

  76. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:10: error: `base` not allowed on declaration with `abstract` [ModifierNotAllowedWith]
    77. 

  77. // CHECK:STDERR: abstract base class AbstractAndBase {}
    78. 

  78. // CHECK:STDERR:          ^~~~
    79. 

  79. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `abstract` previously appeared here [ModifierPrevious]
    80. 

  80. // CHECK:STDERR: abstract base class AbstractAndBase {}
    81. 

  81. // CHECK:STDERR: ^~~~~~~~
    82. 

  82. // CHECK:STDERR:
    83. 

  83. abstract base class AbstractAndBase {}
    84. 

  84. 

  85. abstract class AbstractWithDefinition {
    86. 

  86.   // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:31: error: definition of `abstract` function [DefinedAbstractFunction]
    87. 

  87.   // CHECK:STDERR:   abstract fn F[self: Self]() {}
    88. 

  88.   // CHECK:STDERR:                               ^
    89. 

  89.   // CHECK:STDERR:
    90. 

  90.   abstract fn F[self: Self]() {}
    91. 

  91.   abstract fn G[self: Self]();
    92. 

  92. }
    93. 

  93. // CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:43: error: definition of `abstract` function [DefinedAbstractFunction]
    94. 

  94. // CHECK:STDERR: fn AbstractWithDefinition.G[self: Self]() {
    95. 

  95. // CHECK:STDERR:                                           ^
    96. 

  96. // CHECK:STDERR:
    97. 

  97. fn AbstractWithDefinition.G[self: Self]() {
    98. 

  98. }
    99. 

  99. 

  100. // CHECK:STDOUT: --- fail_modifiers.carbon
    101. 

  101. // CHECK:STDOUT:
    102. 

  102. // CHECK:STDOUT: constants {
    103. 

  103. // CHECK:STDOUT:   %DuplicatePrivate: type = class_type @DuplicatePrivate [concrete]
    104. 

  104. // CHECK:STDOUT:   %AbstractDecl: type = class_type @AbstractDecl [concrete]
    105. 

  105. // CHECK:STDOUT:   %TwoAccess: type = class_type @TwoAccess [concrete]
    106. 

  106. // CHECK:STDOUT:   %BaseDecl: type = class_type @BaseDecl [concrete]
    107. 

  107. // CHECK:STDOUT:   %TwoAbstract: type = class_type @TwoAbstract [concrete]
    108. 

  108. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    109. 

  109. // CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
    110. 

  110. // CHECK:STDOUT:   %Virtual: type = class_type @Virtual [concrete]
    111. 

  111. // CHECK:STDOUT:   %WrongOrder: type = class_type @WrongOrder [concrete]
    112. 

  112. // CHECK:STDOUT:   %AbstractAndBase: type = class_type @AbstractAndBase [concrete]
    113. 

  113. // CHECK:STDOUT:   %AbstractWithDefinition: type = class_type @AbstractWithDefinition [concrete]
    114. 

  114. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    115. 

  115. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    116. 

  116. // CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
    117. 

  117. // CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
    118. 

  118. // CHECK:STDOUT:   %ptr.454: type = ptr_type <vtable> [concrete]
    119. 

  119. // CHECK:STDOUT:   %.9a5: <vtable> = vtable (%F, %G) [concrete]
    120. 

  120. // CHECK:STDOUT:   %struct_type.vptr: type = struct_type {.<vptr>: %ptr.454} [concrete]
    121. 

  121. // CHECK:STDOUT:   %complete_type.513: <witness> = complete_type_witness %struct_type.vptr [concrete]
    122. 

  122. // CHECK:STDOUT: }
    123. 

  123. // CHECK:STDOUT:
    124. 

  124. // CHECK:STDOUT: imports {
    125. 

  125. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    126. 

  126. // CHECK:STDOUT:     import Core//prelude
    127. 

  127. // CHECK:STDOUT:     import Core//prelude/...
    128. 

  128. // CHECK:STDOUT:   }
    129. 

  129. // CHECK:STDOUT: }
    130. 

  130. // CHECK:STDOUT:
    131. 

  131. // CHECK:STDOUT: file {
    132. 

  132. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    133. 

  133. // CHECK:STDOUT:     .Core = imports.%Core
    134. 

  134. // CHECK:STDOUT:     .DuplicatePrivate [private] = %DuplicatePrivate.decl
    135. 

  135. // CHECK:STDOUT:     .AbstractDecl = %AbstractDecl.decl
    136. 

  136. // CHECK:STDOUT:     .TwoAccess [private] = %TwoAccess.decl
    137. 

  137. // CHECK:STDOUT:     .BaseDecl = %BaseDecl.decl
    138. 

  138. // CHECK:STDOUT:     .TwoAbstract = %TwoAbstract.decl
    139. 

  139. // CHECK:STDOUT:     .Virtual = %Virtual.decl
    140. 

  140. // CHECK:STDOUT:     .WrongOrder = %WrongOrder.decl
    141. 

  141. // CHECK:STDOUT:     .AbstractAndBase = %AbstractAndBase.decl
    142. 

  142. // CHECK:STDOUT:     .AbstractWithDefinition = %AbstractWithDefinition.decl
    143. 

  143. // CHECK:STDOUT:   }
    144. 

  144. // CHECK:STDOUT:   %Core.import = import Core
    145. 

  145. // CHECK:STDOUT:   %DuplicatePrivate.decl: type = class_decl @DuplicatePrivate [concrete = constants.%DuplicatePrivate] {} {}
    146. 

  146. // CHECK:STDOUT:   %AbstractDecl.decl: type = class_decl @AbstractDecl [concrete = constants.%AbstractDecl] {} {}
    147. 

  147. // CHECK:STDOUT:   %TwoAccess.decl: type = class_decl @TwoAccess [concrete = constants.%TwoAccess] {} {}
    148. 

  148. // CHECK:STDOUT:   %BaseDecl.decl: type = class_decl @BaseDecl [concrete = constants.%BaseDecl] {} {}
    149. 

  149. // CHECK:STDOUT:   %TwoAbstract.decl: type = class_decl @TwoAbstract [concrete = constants.%TwoAbstract] {} {}
    150. 

  150. // CHECK:STDOUT:   %Virtual.decl: type = class_decl @Virtual [concrete = constants.%Virtual] {} {}
    151. 

  151. // CHECK:STDOUT:   %WrongOrder.decl: type = class_decl @WrongOrder [concrete = constants.%WrongOrder] {} {}
    152. 

  152. // CHECK:STDOUT:   %AbstractAndBase.decl: type = class_decl @AbstractAndBase [concrete = constants.%AbstractAndBase] {} {}
    153. 

  153. // CHECK:STDOUT:   %AbstractWithDefinition.decl: type = class_decl @AbstractWithDefinition [concrete = constants.%AbstractWithDefinition] {} {}
    154. 

  154. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
    155. 

  155. // CHECK:STDOUT:     %self.patt: %AbstractWithDefinition = binding_pattern self
    156. 

  156. // CHECK:STDOUT:     %self.param_patt: %AbstractWithDefinition = value_param_pattern %self.patt, runtime_param0
    157. 

  157. // CHECK:STDOUT:   } {
    158. 

  158. // CHECK:STDOUT:     %self.param.loc97: %AbstractWithDefinition = value_param runtime_param0
    159. 

  159. // CHECK:STDOUT:     %Self.ref.loc97: type = name_ref Self, constants.%AbstractWithDefinition [concrete = constants.%AbstractWithDefinition]
    160. 

  160. // CHECK:STDOUT:     %self.loc97: %AbstractWithDefinition = bind_name self, %self.param.loc97
    161. 

  161. // CHECK:STDOUT:   }
    162. 

  162. // CHECK:STDOUT: }
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: class @DuplicatePrivate;
    165. 

  165. // CHECK:STDOUT:
    166. 

  166. // CHECK:STDOUT: class @AbstractDecl;
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: class @TwoAccess;
    169. 

  169. // CHECK:STDOUT:
    170. 

  170. // CHECK:STDOUT: class @BaseDecl;
    171. 

  171. // CHECK:STDOUT:
    172. 

  172. // CHECK:STDOUT: class @TwoAbstract {
    173. 

  173. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type.357]
    174. 

  174. // CHECK:STDOUT:   complete_type_witness = %complete_type
    175. 

  175. // CHECK:STDOUT:
    176. 

  176. // CHECK:STDOUT: !members:
    177. 

  177. // CHECK:STDOUT:   .Self = constants.%TwoAbstract
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: class @Virtual {
    181. 

  181. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type.357]
    182. 

  182. // CHECK:STDOUT:   complete_type_witness = %complete_type
    183. 

  183. // CHECK:STDOUT:
    184. 

  184. // CHECK:STDOUT: !members:
    185. 

  185. // CHECK:STDOUT:   .Self = constants.%Virtual
    186. 

  186. // CHECK:STDOUT: }
    187. 

  187. // CHECK:STDOUT:
    188. 

  188. // CHECK:STDOUT: class @WrongOrder {
    189. 

  189. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type.357]
    190. 

  190. // CHECK:STDOUT:   complete_type_witness = %complete_type
    191. 

  191. // CHECK:STDOUT:
    192. 

  192. // CHECK:STDOUT: !members:
    193. 

  193. // CHECK:STDOUT:   .Self = constants.%WrongOrder
    194. 

  194. // CHECK:STDOUT: }
    195. 

  195. // CHECK:STDOUT:
    196. 

  196. // CHECK:STDOUT: class @AbstractAndBase {
    197. 

  197. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type.357]
    198. 

  198. // CHECK:STDOUT:   complete_type_witness = %complete_type
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: !members:
    201. 

  201. // CHECK:STDOUT:   .Self = constants.%AbstractAndBase
    202. 

  202. // CHECK:STDOUT: }
    203. 

  203. // CHECK:STDOUT:
    204. 

  204. // CHECK:STDOUT: class @AbstractWithDefinition {
    205. 

  205. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    206. 

  206. // CHECK:STDOUT:     %self.patt: %AbstractWithDefinition = binding_pattern self
    207. 

  207. // CHECK:STDOUT:     %self.param_patt: %AbstractWithDefinition = value_param_pattern %self.patt, runtime_param0
    208. 

  208. // CHECK:STDOUT:   } {
    209. 

  209. // CHECK:STDOUT:     %self.param: %AbstractWithDefinition = value_param runtime_param0
    210. 

  210. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%AbstractWithDefinition [concrete = constants.%AbstractWithDefinition]
    211. 

  211. // CHECK:STDOUT:     %self: %AbstractWithDefinition = bind_name self, %self.param
    212. 

  212. // CHECK:STDOUT:   }
    213. 

  213. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
    214. 

  214. // CHECK:STDOUT:     %self.patt: %AbstractWithDefinition = binding_pattern self
    215. 

  215. // CHECK:STDOUT:     %self.param_patt: %AbstractWithDefinition = value_param_pattern %self.patt, runtime_param0
    216. 

  216. // CHECK:STDOUT:   } {
    217. 

  217. // CHECK:STDOUT:     %self.param.loc91: %AbstractWithDefinition = value_param runtime_param0
    218. 

  218. // CHECK:STDOUT:     %Self.ref.loc91: type = name_ref Self, constants.%AbstractWithDefinition [concrete = constants.%AbstractWithDefinition]
    219. 

  219. // CHECK:STDOUT:     %self.loc91: %AbstractWithDefinition = bind_name self, %self.param.loc91
    220. 

  220. // CHECK:STDOUT:   }
    221. 

  221. // CHECK:STDOUT:   %.loc92: <vtable> = vtable (%F.decl, %G.decl) [concrete = constants.%.9a5]
    222. 

  222. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.vptr [concrete = constants.%complete_type.513]
    223. 

  223. // CHECK:STDOUT:   complete_type_witness = %complete_type
    224. 

  224. // CHECK:STDOUT:
    225. 

  225. // CHECK:STDOUT: !members:
    226. 

  226. // CHECK:STDOUT:   .Self = constants.%AbstractWithDefinition
    227. 

  227. // CHECK:STDOUT:   .F = %F.decl
    228. 

  228. // CHECK:STDOUT:   .G = %G.decl
    229. 

  229. // CHECK:STDOUT: }
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: abstract fn @F[%self.param_patt: %AbstractWithDefinition]() {
    232. 

  232. // CHECK:STDOUT: !entry:
    233. 

  233. // CHECK:STDOUT:   return
    234. 

  234. // CHECK:STDOUT: }
    235. 

  235. // CHECK:STDOUT:
    236. 

  236. // CHECK:STDOUT: abstract fn @G[%self.param_patt: %AbstractWithDefinition]() {
    237. 

  237. // CHECK:STDOUT: !entry:
    238. 

  238. // CHECK:STDOUT:   return
    239. 

  239. // CHECK:STDOUT: }
    240. 

  240. // CHECK:STDOUT:
    241.