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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_self.carbon

fail_self.carbon 11 KB
История Исходник

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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. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    6. 

  6. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    7. 

  7. //
    8. 

  8. // AUTOUPDATE
    9. 

  9. // TIP: To test this file alone, run:
    10. 

  10. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_self.carbon
    11. 

  11. // TIP: To dump output, run:
    12. 

  12. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_self.carbon
    13. 

  13. 

  14. class Class {
    15. 

  15.   // CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:8: error: `self` can only be declared in an implicit parameter list [SelfOutsideImplicitParamList]
    16. 

  16.   // CHECK:STDERR:   fn F(self: Self);
    17. 

  17.   // CHECK:STDERR:        ^~~~~~~~~~
    18. 

  18.   // CHECK:STDERR:
    19. 

  19.   fn F(self: Self);
    20. 

  20. 

  21.   fn G() -> Self;
    22. 

  22. }
    23. 

  23. 

  24. // CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:12: error: `self` can only be declared in an implicit parameter list [SelfOutsideImplicitParamList]
    25. 

  25. // CHECK:STDERR: fn Class.F(self: Self) {
    26. 

  26. // CHECK:STDERR:            ^~~~~~~~~~
    27. 

  27. // CHECK:STDERR:
    28. 

  28. fn Class.F(self: Self) {
    29. 

  29. }
    30. 

  30. 

  31. fn Class.G() -> Self {
    32. 

  32.   // CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:7: error: `self` can only be declared in an implicit parameter list [SelfOutsideImplicitParamList]
    33. 

  33.   // CHECK:STDERR:   var self: Self;
    34. 

  34.   // CHECK:STDERR:       ^~~~~~~~~~
    35. 

  35.   // CHECK:STDERR:
    36. 

  36.   var self: Self;
    37. 

  37.   // CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:10: error: cannot copy value of type `Class` [CopyOfUncopyableType]
    38. 

  38.   // CHECK:STDERR:   return self;
    39. 

  39.   // CHECK:STDERR:          ^~~~
    40. 

  40.   // CHECK:STDERR:
    41. 

  41.   return self;
    42. 

  42. }
    43. 

  43. 

  44. class WrongSelf {
    45. 

  45.   fn F[self: Class]();
    46. 

  46. }
    47. 

  47. 

  48. fn CallWrongSelf(ws: WrongSelf) {
    49. 

  49.   // CHECK:STDERR: fail_self.carbon:[[@LINE+10]]:3: error: cannot implicitly convert expression of type `WrongSelf` to `Class` [ConversionFailure]
    50. 

  50.   // CHECK:STDERR:   ws.F();
    51. 

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

  52.   // CHECK:STDERR: fail_self.carbon:[[@LINE+7]]:3: note: type `WrongSelf` does not implement interface `Core.ImplicitAs(Class)` [MissingImplInMemberAccessNote]
    53. 

  53.   // CHECK:STDERR:   ws.F();
    54. 

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

  55.   // CHECK:STDERR: fail_self.carbon:[[@LINE-10]]:8: note: initializing function parameter [InCallToFunctionParam]
    56. 

  56.   // CHECK:STDERR:   fn F[self: Class]();
    57. 

  57.   // CHECK:STDERR:        ^~~~~~~~~~~
    58. 

  58.   // CHECK:STDERR:
    59. 

  59.   ws.F();
    60. 

  60. }
    61. 

  61. 

  62. // CHECK:STDOUT: --- fail_self.carbon
    63. 

  63. // CHECK:STDOUT:
    64. 

  64. // CHECK:STDOUT: constants {
    65. 

  65. // CHECK:STDOUT:   %Class: type = class_type @Class [concrete]
    66. 

  66. // CHECK:STDOUT:   %pattern_type.761: type = pattern_type %Class [concrete]
    67. 

  67. // CHECK:STDOUT:   %F.type.f1b: type = fn_type @F.1 [concrete]
    68. 

  68. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    69. 

  69. // CHECK:STDOUT:   %F.1f2: %F.type.f1b = struct_value () [concrete]
    70. 

  70. // CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
    71. 

  71. // CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
    72. 

  72. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    73. 

  73. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    74. 

  74. // CHECK:STDOUT:   %WrongSelf: type = class_type @WrongSelf [concrete]
    75. 

  75. // CHECK:STDOUT:   %F.type.25f: type = fn_type @F.2 [concrete]
    76. 

  76. // CHECK:STDOUT:   %F.3a3: %F.type.25f = struct_value () [concrete]
    77. 

  77. // CHECK:STDOUT:   %pattern_type.381: type = pattern_type %WrongSelf [concrete]
    78. 

  78. // CHECK:STDOUT:   %CallWrongSelf.type: type = fn_type @CallWrongSelf [concrete]
    79. 

  79. // CHECK:STDOUT:   %CallWrongSelf: %CallWrongSelf.type = struct_value () [concrete]
    80. 

  80. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    81. 

  81. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    82. 

  82. // CHECK:STDOUT: }
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: imports {
    85. 

  85. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    86. 

  86. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    87. 

  87. // CHECK:STDOUT:     import Core//prelude
    88. 

  88. // CHECK:STDOUT:     import Core//prelude/...
    89. 

  89. // CHECK:STDOUT:   }
    90. 

  90. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    91. 

  91. // CHECK:STDOUT: }
    92. 

  92. // CHECK:STDOUT:
    93. 

  93. // CHECK:STDOUT: file {
    94. 

  94. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    95. 

  95. // CHECK:STDOUT:     .Core = imports.%Core
    96. 

  96. // CHECK:STDOUT:     .Class = %Class.decl
    97. 

  97. // CHECK:STDOUT:     .WrongSelf = %WrongSelf.decl
    98. 

  98. // CHECK:STDOUT:     .CallWrongSelf = %CallWrongSelf.decl
    99. 

  99. // CHECK:STDOUT:   }
    100. 

  100. // CHECK:STDOUT:   %Core.import = import Core
    101. 

  101. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
    102. 

  102. // CHECK:STDOUT:   %F.decl: %F.type.f1b = fn_decl @F.1 [concrete = constants.%F.1f2] {
    103. 

  103. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    104. 

  104. // CHECK:STDOUT:     %self.param_patt: %pattern_type.761 = value_param_pattern %self.patt, call_param0 [concrete]
    105. 

  105. // CHECK:STDOUT:   } {
    106. 

  106. // CHECK:STDOUT:     %self.param.loc28: %Class = value_param call_param0
    107. 

  107. // CHECK:STDOUT:     %Self.ref.loc28: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    108. 

  108. // CHECK:STDOUT:     %self.loc28: %Class = bind_name self, %self.param.loc28
    109. 

  109. // CHECK:STDOUT:   }
    110. 

  110. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
    111. 

  111. // CHECK:STDOUT:     %return.patt: %pattern_type.761 = return_slot_pattern [concrete]
    112. 

  112. // CHECK:STDOUT:     %return.param_patt: %pattern_type.761 = out_param_pattern %return.patt, call_param0 [concrete]
    113. 

  113. // CHECK:STDOUT:   } {
    114. 

  114. // CHECK:STDOUT:     %Self.ref.loc31: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    115. 

  115. // CHECK:STDOUT:     %return.param.loc31: ref %Class = out_param call_param0
    116. 

  116. // CHECK:STDOUT:     %return.loc31: ref %Class = return_slot %return.param.loc31
    117. 

  117. // CHECK:STDOUT:   }
    118. 

  118. // CHECK:STDOUT:   %WrongSelf.decl: type = class_decl @WrongSelf [concrete = constants.%WrongSelf] {} {}
    119. 

  119. // CHECK:STDOUT:   %CallWrongSelf.decl: %CallWrongSelf.type = fn_decl @CallWrongSelf [concrete = constants.%CallWrongSelf] {
    120. 

  120. // CHECK:STDOUT:     %ws.patt: %pattern_type.381 = binding_pattern ws [concrete]
    121. 

  121. // CHECK:STDOUT:     %ws.param_patt: %pattern_type.381 = value_param_pattern %ws.patt, call_param0 [concrete]
    122. 

  122. // CHECK:STDOUT:   } {
    123. 

  123. // CHECK:STDOUT:     %ws.param: %WrongSelf = value_param call_param0
    124. 

  124. // CHECK:STDOUT:     %WrongSelf.ref: type = name_ref WrongSelf, file.%WrongSelf.decl [concrete = constants.%WrongSelf]
    125. 

  125. // CHECK:STDOUT:     %ws: %WrongSelf = bind_name ws, %ws.param
    126. 

  126. // CHECK:STDOUT:   }
    127. 

  127. // CHECK:STDOUT: }
    128. 

  128. // CHECK:STDOUT:
    129. 

  129. // CHECK:STDOUT: class @Class {
    130. 

  130. // CHECK:STDOUT:   %F.decl: %F.type.f1b = fn_decl @F.1 [concrete = constants.%F.1f2] {
    131. 

  131. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    132. 

  132. // CHECK:STDOUT:     %self.param_patt: %pattern_type.761 = value_param_pattern %self.patt, call_param0 [concrete]
    133. 

  133. // CHECK:STDOUT:   } {
    134. 

  134. // CHECK:STDOUT:     %self.param.loc19: %Class = value_param call_param0
    135. 

  135. // CHECK:STDOUT:     %Self.ref.loc19: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    136. 

  136. // CHECK:STDOUT:     %self.loc19: %Class = bind_name self, %self.param.loc19
    137. 

  137. // CHECK:STDOUT:   }
    138. 

  138. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
    139. 

  139. // CHECK:STDOUT:     %return.patt: %pattern_type.761 = return_slot_pattern [concrete]
    140. 

  140. // CHECK:STDOUT:     %return.param_patt: %pattern_type.761 = out_param_pattern %return.patt, call_param0 [concrete]
    141. 

  141. // CHECK:STDOUT:   } {
    142. 

  142. // CHECK:STDOUT:     %Self.ref.loc21: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    143. 

  143. // CHECK:STDOUT:     %return.param.loc21: ref %Class = out_param call_param0
    144. 

  144. // CHECK:STDOUT:     %return.loc21: ref %Class = return_slot %return.param.loc21
    145. 

  145. // CHECK:STDOUT:   }
    146. 

  146. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
    147. 

  147. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
    148. 

  148. // CHECK:STDOUT:   complete_type_witness = %complete_type
    149. 

  149. // CHECK:STDOUT:
    150. 

  150. // CHECK:STDOUT: !members:
    151. 

  151. // CHECK:STDOUT:   .Self = constants.%Class
    152. 

  152. // CHECK:STDOUT:   .F = %F.decl
    153. 

  153. // CHECK:STDOUT:   .G = %G.decl
    154. 

  154. // CHECK:STDOUT: }
    155. 

  155. // CHECK:STDOUT:
    156. 

  156. // CHECK:STDOUT: class @WrongSelf {
    157. 

  157. // CHECK:STDOUT:   %F.decl: %F.type.25f = fn_decl @F.2 [concrete = constants.%F.3a3] {
    158. 

  158. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    159. 

  159. // CHECK:STDOUT:     %self.param_patt: %pattern_type.761 = value_param_pattern %self.patt, call_param0 [concrete]
    160. 

  160. // CHECK:STDOUT:   } {
    161. 

  161. // CHECK:STDOUT:     %self.param: %Class = value_param call_param0
    162. 

  162. // CHECK:STDOUT:     %Class.ref: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    163. 

  163. // CHECK:STDOUT:     %self: %Class = bind_name self, %self.param
    164. 

  164. // CHECK:STDOUT:   }
    165. 

  165. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
    166. 

  166. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
    167. 

  167. // CHECK:STDOUT:   complete_type_witness = %complete_type
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: !members:
    170. 

  170. // CHECK:STDOUT:   .Self = constants.%WrongSelf
    171. 

  171. // CHECK:STDOUT:   .Class = <poisoned>
    172. 

  172. // CHECK:STDOUT:   .F = %F.decl
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: fn @F.1(%self.param.loc28: %Class) {
    176. 

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

  177. // CHECK:STDOUT:   return
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: fn @G() -> %return.param.loc31: %Class {
    181. 

  181. // CHECK:STDOUT: !entry:
    182. 

  182. // CHECK:STDOUT:   name_binding_decl {
    183. 

  183. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    184. 

  184. // CHECK:STDOUT:     %self.var_patt: %pattern_type.761 = var_pattern %self.patt [concrete]
    185. 

  185. // CHECK:STDOUT:   }
    186. 

  186. // CHECK:STDOUT:   %self.var: ref %Class = var %self.var_patt
    187. 

  187. // CHECK:STDOUT:   %Self.ref.loc36: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    188. 

  188. // CHECK:STDOUT:   %self: ref %Class = bind_name self, %self.var
    189. 

  189. // CHECK:STDOUT:   %self.ref: ref %Class = name_ref self, %self
    190. 

  190. // CHECK:STDOUT:   %.loc41: %Class = bind_value %self.ref
    191. 

  191. // CHECK:STDOUT:   return <error> to %return.loc31
    192. 

  192. // CHECK:STDOUT: }
    193. 

  193. // CHECK:STDOUT:
    194. 

  194. // CHECK:STDOUT: fn @F.2(%self.param: %Class);
    195. 

  195. // CHECK:STDOUT:
    196. 

  196. // CHECK:STDOUT: fn @CallWrongSelf(%ws.param: %WrongSelf) {
    197. 

  197. // CHECK:STDOUT: !entry:
    198. 

  198. // CHECK:STDOUT:   %ws.ref: %WrongSelf = name_ref ws, %ws
    199. 

  199. // CHECK:STDOUT:   %F.ref: %F.type.25f = name_ref F, @WrongSelf.%F.decl [concrete = constants.%F.3a3]
    200. 

  200. // CHECK:STDOUT:   %F.bound: <bound method> = bound_method %ws.ref, %F.ref
    201. 

  201. // CHECK:STDOUT:   %.loc59: %Class = converted %ws.ref, <error> [concrete = <error>]
    202. 

  202. // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.bound(<error>)
    203. 

  203. // CHECK:STDOUT:   return
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206.