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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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implicit_import.carbon

implicit_import.carbon 11 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
    6. 

  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    7. 

  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    8. 

  8. //
    9. 

  9. // AUTOUPDATE
    10. 

  10. // TIP: To test this file alone, run:
    11. 

  11. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/implicit_import.carbon
    12. 

  12. // TIP: To dump output, run:
    13. 

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/implicit_import.carbon
    14. 

  14. 

  15. // --- basic.carbon
    16. 

  16. 

  17. library "[[@TEST_NAME]]";
    18. 

  18. 

  19. class C;
    20. 

  20. 

  21. // --- basic.impl.carbon
    22. 

  22. 

  23. impl library "[[@TEST_NAME]]";
    24. 

  24. 

  25. class C {}
    26. 

  26. 

  27. // --- redecl_after_def.carbon
    28. 

  28. 

  29. library "[[@TEST_NAME]]";
    30. 

  30. 

  31. class C {}
    32. 

  32. 

  33. // --- fail_redecl_after_def.impl.carbon
    34. 

  34. 

  35. impl library "[[@TEST_NAME]]";
    36. 

  36. 

  37. // CHECK:STDERR: fail_redecl_after_def.impl.carbon:[[@LINE+8]]:1: error: redeclaration of `class C` is redundant [RedeclRedundant]
    38. 

  38. // CHECK:STDERR: class C;
    39. 

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

  40. // CHECK:STDERR: fail_redecl_after_def.impl.carbon:[[@LINE-5]]:1: in import [InImport]
    41. 

  41. // CHECK:STDERR: redecl_after_def.carbon:4:1: note: previously declared here [RedeclPrevDecl]
    42. 

  42. // CHECK:STDERR: class C {}
    43. 

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

  44. // CHECK:STDERR:
    45. 

  45. class C;
    46. 

  46. 

  47. // --- redef_after_def.carbon
    48. 

  48. 

  49. library "[[@TEST_NAME]]";
    50. 

  50. 

  51. class C {}
    52. 

  52. 

  53. // --- fail_redef_after_def.impl.carbon
    54. 

  54. 

  55. impl library "[[@TEST_NAME]]";
    56. 

  56. 

  57. // CHECK:STDERR: fail_redef_after_def.impl.carbon:[[@LINE+8]]:1: error: redefinition of `class C` [RedeclRedef]
    58. 

  58. // CHECK:STDERR: class C {}
    59. 

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

  60. // CHECK:STDERR: fail_redef_after_def.impl.carbon:[[@LINE-5]]:1: in import [InImport]
    61. 

  61. // CHECK:STDERR: redef_after_def.carbon:4:1: note: previously defined here [RedeclPrevDef]
    62. 

  62. // CHECK:STDERR: class C {}
    63. 

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

  64. // CHECK:STDERR:
    65. 

  65. class C {}
    66. 

  66. 

  67. // --- def_alias.carbon
    68. 

  68. 

  69. library "[[@TEST_NAME]]";
    70. 

  70. 

  71. class C;
    72. 

  72. alias B = C;
    73. 

  73. 

  74. // --- fail_def_alias.impl.carbon
    75. 

  75. 

  76. impl library "[[@TEST_NAME]]";
    77. 

  77. 

  78. // CHECK:STDERR: fail_def_alias.impl.carbon:[[@LINE+8]]:7: error: duplicate name `B` being declared in the same scope [NameDeclDuplicate]
    79. 

  79. // CHECK:STDERR: class B {}
    80. 

  80. // CHECK:STDERR:       ^
    81. 

  81. // CHECK:STDERR: fail_def_alias.impl.carbon:[[@LINE-5]]:1: in import [InImport]
    82. 

  82. // CHECK:STDERR: def_alias.carbon:5:7: note: name is previously declared here [NameDeclPrevious]
    83. 

  83. // CHECK:STDERR: alias B = C;
    84. 

  84. // CHECK:STDERR:       ^
    85. 

  85. // CHECK:STDERR:
    86. 

  86. class B {}
    87. 

  87. 

  88. // CHECK:STDOUT: --- basic.carbon
    89. 

  89. // CHECK:STDOUT:
    90. 

  90. // CHECK:STDOUT: constants {
    91. 

  91. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    92. 

  92. // CHECK:STDOUT: }
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT: file {
    95. 

  95. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    96. 

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

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    99. 

  99. // CHECK:STDOUT: }
    100. 

  100. // CHECK:STDOUT:
    101. 

  101. // CHECK:STDOUT: class @C;
    102. 

  102. // CHECK:STDOUT:
    103. 

  103. // CHECK:STDOUT: --- basic.impl.carbon
    104. 

  104. // CHECK:STDOUT:
    105. 

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

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

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

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

  109. // CHECK:STDOUT: }
    110. 

  110. // CHECK:STDOUT:
    111. 

  111. // CHECK:STDOUT: imports {
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: file {
    115. 

  115. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    116. 

  116. // CHECK:STDOUT:     .C = %C.decl
    117. 

  117. // CHECK:STDOUT:   }
    118. 

  118. // CHECK:STDOUT:   %default.import.loc2_21.1 = import <none>
    119. 

  119. // CHECK:STDOUT:   %default.import.loc2_21.2 = import <none>
    120. 

  120. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    121. 

  121. // CHECK:STDOUT: }
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT: class @C {
    124. 

  124. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    125. 

  125. // CHECK:STDOUT:   complete_type_witness = %complete_type
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: !members:
    128. 

  128. // CHECK:STDOUT:   .Self = constants.%C
    129. 

  129. // CHECK:STDOUT: }
    130. 

  130. // CHECK:STDOUT:
    131. 

  131. // CHECK:STDOUT: --- redecl_after_def.carbon
    132. 

  132. // CHECK:STDOUT:
    133. 

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

  134. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    135. 

  135. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    136. 

  136. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    137. 

  137. // CHECK:STDOUT: }
    138. 

  138. // CHECK:STDOUT:
    139. 

  139. // CHECK:STDOUT: file {
    140. 

  140. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    141. 

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

  142. // CHECK:STDOUT:   }
    143. 

  143. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    144. 

  144. // CHECK:STDOUT: }
    145. 

  145. // CHECK:STDOUT:
    146. 

  146. // CHECK:STDOUT: class @C {
    147. 

  147. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%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.%C
    152. 

  152. // CHECK:STDOUT: }
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: --- fail_redecl_after_def.impl.carbon
    155. 

  155. // CHECK:STDOUT:
    156. 

  156. // CHECK:STDOUT: constants {
    157. 

  157. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    158. 

  158. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    159. 

  159. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    160. 

  160. // CHECK:STDOUT: }
    161. 

  161. // CHECK:STDOUT:
    162. 

  162. // CHECK:STDOUT: imports {
    163. 

  163. // CHECK:STDOUT:   %Main.import_ref.8f2: <witness> = import_ref Main//redecl_after_def, loc4_10, loaded [concrete = constants.%complete_type]
    164. 

  164. // CHECK:STDOUT:   %Main.import_ref.2c4 = import_ref Main//redecl_after_def, inst{{[0-9A-F]+}} [no loc], unloaded
    165. 

  165. // CHECK:STDOUT: }
    166. 

  166. // CHECK:STDOUT:
    167. 

  167. // CHECK:STDOUT: file {
    168. 

  168. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    169. 

  169. // CHECK:STDOUT:     .C = %C.decl
    170. 

  170. // CHECK:STDOUT:   }
    171. 

  171. // CHECK:STDOUT:   %default.import.loc2_32.1 = import <none>
    172. 

  172. // CHECK:STDOUT:   %default.import.loc2_32.2 = import <none>
    173. 

  173. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    174. 

  174. // CHECK:STDOUT: }
    175. 

  175. // CHECK:STDOUT:
    176. 

  176. // CHECK:STDOUT: class @C {
    177. 

  177. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8f2
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: !members:
    180. 

  180. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.2c4
    181. 

  181. // CHECK:STDOUT: }
    182. 

  182. // CHECK:STDOUT:
    183. 

  183. // CHECK:STDOUT: --- redef_after_def.carbon
    184. 

  184. // CHECK:STDOUT:
    185. 

  185. // CHECK:STDOUT: constants {
    186. 

  186. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    187. 

  187. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    188. 

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

  189. // CHECK:STDOUT: }
    190. 

  190. // CHECK:STDOUT:
    191. 

  191. // CHECK:STDOUT: file {
    192. 

  192. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    193. 

  193. // CHECK:STDOUT:     .C = %C.decl
    194. 

  194. // CHECK:STDOUT:   }
    195. 

  195. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    196. 

  196. // CHECK:STDOUT: }
    197. 

  197. // CHECK:STDOUT:
    198. 

  198. // CHECK:STDOUT: class @C {
    199. 

  199. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    200. 

  200. // CHECK:STDOUT:   complete_type_witness = %complete_type
    201. 

  201. // CHECK:STDOUT:
    202. 

  202. // CHECK:STDOUT: !members:
    203. 

  203. // CHECK:STDOUT:   .Self = constants.%C
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206. 

  206. // CHECK:STDOUT: --- fail_redef_after_def.impl.carbon
    207. 

  207. // CHECK:STDOUT:
    208. 

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

  209. // CHECK:STDOUT:   %C.f794a0.1: type = class_type @C.1 [concrete]
    210. 

  210. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    211. 

  211. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    212. 

  212. // CHECK:STDOUT:   %C.f794a0.2: type = class_type @C.loc12 [concrete]
    213. 

  213. // CHECK:STDOUT: }
    214. 

  214. // CHECK:STDOUT:
    215. 

  215. // CHECK:STDOUT: imports {
    216. 

  216. // CHECK:STDOUT:   %Main.C: type = import_ref Main//redef_after_def, C, loaded [concrete = constants.%C.f794a0.1]
    217. 

  217. // CHECK:STDOUT:   %Main.import_ref.8f2: <witness> = import_ref Main//redef_after_def, loc4_10, loaded [concrete = constants.%complete_type]
    218. 

  218. // CHECK:STDOUT:   %Main.import_ref.2c4 = import_ref Main//redef_after_def, inst{{[0-9A-F]+}} [no loc], unloaded
    219. 

  219. // CHECK:STDOUT: }
    220. 

  220. // CHECK:STDOUT:
    221. 

  221. // CHECK:STDOUT: file {
    222. 

  222. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    223. 

  223. // CHECK:STDOUT:     .C = imports.%Main.C
    224. 

  224. // CHECK:STDOUT:   }
    225. 

  225. // CHECK:STDOUT:   %default.import.loc2_31.1 = import <none>
    226. 

  226. // CHECK:STDOUT:   %default.import.loc2_31.2 = import <none>
    227. 

  227. // CHECK:STDOUT:   %C.decl: type = class_decl @C.loc12 [concrete = constants.%C.f794a0.2] {} {}
    228. 

  228. // CHECK:STDOUT: }
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: class @C.1 [from "redef_after_def.carbon"] {
    231. 

  231. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8f2
    232. 

  232. // CHECK:STDOUT:
    233. 

  233. // CHECK:STDOUT: !members:
    234. 

  234. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.2c4
    235. 

  235. // CHECK:STDOUT: }
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT: class @C.loc12 {
    238. 

  238. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    239. 

  239. // CHECK:STDOUT:   complete_type_witness = %complete_type
    240. 

  240. // CHECK:STDOUT:
    241. 

  241. // CHECK:STDOUT: !members:
    242. 

  242. // CHECK:STDOUT:   .Self = constants.%C.f794a0.2
    243. 

  243. // CHECK:STDOUT: }
    244. 

  244. // CHECK:STDOUT:
    245. 

  245. // CHECK:STDOUT: --- def_alias.carbon
    246. 

  246. // CHECK:STDOUT:
    247. 

  247. // CHECK:STDOUT: constants {
    248. 

  248. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    249. 

  249. // CHECK:STDOUT: }
    250. 

  250. // CHECK:STDOUT:
    251. 

  251. // CHECK:STDOUT: file {
    252. 

  252. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    253. 

  253. // CHECK:STDOUT:     .C = %C.decl
    254. 

  254. // CHECK:STDOUT:     .B = %B
    255. 

  255. // CHECK:STDOUT:   }
    256. 

  256. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    257. 

  257. // CHECK:STDOUT:   %C.ref: type = name_ref C, %C.decl [concrete = constants.%C]
    258. 

  258. // CHECK:STDOUT:   %B: type = alias_binding B, %C.decl [concrete = constants.%C]
    259. 

  259. // CHECK:STDOUT: }
    260. 

  260. // CHECK:STDOUT:
    261. 

  261. // CHECK:STDOUT: class @C;
    262. 

  262. // CHECK:STDOUT:
    263. 

  263. // CHECK:STDOUT: --- fail_def_alias.impl.carbon
    264. 

  264. // CHECK:STDOUT:
    265. 

  265. // CHECK:STDOUT: constants {
    266. 

  266. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    267. 

  267. // CHECK:STDOUT:   %B: type = class_type @B [concrete]
    268. 

  268. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    269. 

  269. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    270. 

  270. // CHECK:STDOUT: }
    271. 

  271. // CHECK:STDOUT:
    272. 

  272. // CHECK:STDOUT: imports {
    273. 

  273. // CHECK:STDOUT:   %Main.C = import_ref Main//def_alias, C, unloaded
    274. 

  274. // CHECK:STDOUT:   %Main.B: type = import_ref Main//def_alias, B, loaded [concrete = constants.%C]
    275. 

  275. // CHECK:STDOUT: }
    276. 

  276. // CHECK:STDOUT:
    277. 

  277. // CHECK:STDOUT: file {
    278. 

  278. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    279. 

  279. // CHECK:STDOUT:     .C = imports.%Main.C
    280. 

  280. // CHECK:STDOUT:     .B = imports.%Main.B
    281. 

  281. // CHECK:STDOUT:   }
    282. 

  282. // CHECK:STDOUT:   %default.import.loc2_25.1 = import <none>
    283. 

  283. // CHECK:STDOUT:   %default.import.loc2_25.2 = import <none>
    284. 

  284. // CHECK:STDOUT:   %B.decl: type = class_decl @B [concrete = constants.%B] {} {}
    285. 

  285. // CHECK:STDOUT: }
    286. 

  286. // CHECK:STDOUT:
    287. 

  287. // CHECK:STDOUT: class @C [from "def_alias.carbon"];
    288. 

  288. // CHECK:STDOUT:
    289. 

  289. // CHECK:STDOUT: class @B {
    290. 

  290. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    291. 

  291. // CHECK:STDOUT:   complete_type_witness = %complete_type
    292. 

  292. // CHECK:STDOUT:
    293. 

  293. // CHECK:STDOUT: !members:
    294. 

  294. // CHECK:STDOUT:   .Self = constants.%B
    295. 

  295. // CHECK:STDOUT: }
    296. 

  296. // CHECK:STDOUT:
    297.