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redeclare.carbon

redeclare.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. 

  7. // --- valid.carbon
    8. 

  8. 

  9. library "valid" api;
    10. 

  10. 

  11. class Generic(T:! type);
    12. 

  12. 

  13. class Generic(T:! type) {
    14. 

  14. }
    15. 

  15. 

  16. // --- fail_mismatch_param_list.carbon
    17. 

  17. 

  18. library "mismatch_param_list" api;
    19. 

  19. 

  20. class A;
    21. 

  21. // CHECK:STDERR: fail_mismatch_param_list.carbon:[[@LINE+7]]:1: ERROR: Redeclaration differs because of parameter list.
    22. 

  22. // CHECK:STDERR: class A(T:! type) {}
    23. 

  23. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~
    24. 

  24. // CHECK:STDERR: fail_mismatch_param_list.carbon:[[@LINE-4]]:1: Previously declared without parameter list.
    25. 

  25. // CHECK:STDERR: class A;
    26. 

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

  27. // CHECK:STDERR:
    28. 

  28. class A(T:! type) {}
    29. 

  29. 

  30. // --- fail_mismatch_implicit_param_list.carbon
    31. 

  31. 

  32. library "implicit_mismatch_param_list" api;
    33. 

  33. 

  34. class B(N:! i32);
    35. 

  35. // CHECK:STDERR: fail_mismatch_implicit_param_list.carbon:[[@LINE+7]]:1: ERROR: Redeclaration differs because of implicit parameter list.
    36. 

  36. // CHECK:STDERR: class B[T:! type](N:! T) {}
    37. 

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

  38. // CHECK:STDERR: fail_mismatch_implicit_param_list.carbon:[[@LINE-4]]:1: Previously declared without implicit parameter list.
    39. 

  39. // CHECK:STDERR: class B(N:! i32);
    40. 

  40. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~
    41. 

  41. // CHECK:STDERR:
    42. 

  42. class B[T:! type](N:! T) {}
    43. 

  43. 

  44. // --- fail_mismatch_param_count.carbon
    45. 

  45. 

  46. library "mismatch_param_count" api;
    47. 

  47. 

  48. class C(T:! type);
    49. 

  49. // CHECK:STDERR: fail_mismatch_param_count.carbon:[[@LINE+7]]:1: ERROR: Redeclaration differs because of parameter count of 2.
    50. 

  50. // CHECK:STDERR: class C(T:! type, U:! i32) {}
    51. 

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

  52. // CHECK:STDERR: fail_mismatch_param_count.carbon:[[@LINE-4]]:1: Previously declared with parameter count of 1.
    53. 

  53. // CHECK:STDERR: class C(T:! type);
    54. 

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

  55. // CHECK:STDERR:
    56. 

  56. class C(T:! type, U:! i32) {}
    57. 

  57. 

  58. // --- fail_mismatch_param_type.carbon
    59. 

  59. 

  60. library "mismatch_param_type" api;
    61. 

  61. 

  62. class D(T:! type);
    63. 

  63. // CHECK:STDERR: fail_mismatch_param_type.carbon:[[@LINE+7]]:9: ERROR: Redeclaration differs at parameter 1.
    64. 

  64. // CHECK:STDERR: class D(T:! i32) {}
    65. 

  65. // CHECK:STDERR:         ^
    66. 

  66. // CHECK:STDERR: fail_mismatch_param_type.carbon:[[@LINE-4]]:9: Previous declaration's corresponding parameter here.
    67. 

  67. // CHECK:STDERR: class D(T:! type);
    68. 

  68. // CHECK:STDERR:         ^
    69. 

  69. // CHECK:STDERR:
    70. 

  70. class D(T:! i32) {}
    71. 

  71. 

  72. // --- fail_mismatch_param_name.carbon
    73. 

  73. 

  74. library "mismatch_param_name" api;
    75. 

  75. 

  76. class E(T:! type);
    77. 

  77. // CHECK:STDERR: fail_mismatch_param_name.carbon:[[@LINE+6]]:9: ERROR: Redeclaration differs at parameter 1.
    78. 

  78. // CHECK:STDERR: class E(U:! type) {}
    79. 

  79. // CHECK:STDERR:         ^
    80. 

  80. // CHECK:STDERR: fail_mismatch_param_name.carbon:[[@LINE-4]]:9: Previous declaration's corresponding parameter here.
    81. 

  81. // CHECK:STDERR: class E(T:! type);
    82. 

  82. // CHECK:STDERR:         ^
    83. 

  83. class E(U:! type) {}
    84. 

  84. 

  85. // CHECK:STDOUT: --- valid.carbon
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: constants {
    88. 

  88. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    89. 

  89. // CHECK:STDOUT:   %Generic.1: type = generic_class_type @Generic [template]
    90. 

  90. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    91. 

  91. // CHECK:STDOUT:   %struct.1: Generic = struct_value () [template]
    92. 

  92. // CHECK:STDOUT:   %Generic.2: type = class_type @Generic [template]
    93. 

  93. // CHECK:STDOUT:   %struct.2: type = struct_value () [template]
    94. 

  94. // CHECK:STDOUT:   %.2: type = struct_type {} [template]
    95. 

  95. // CHECK:STDOUT: }
    96. 

  96. // CHECK:STDOUT:
    97. 

  97. // CHECK:STDOUT: file {
    98. 

  98. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    99. 

  99. // CHECK:STDOUT:     .Core = %Core
    100. 

  100. // CHECK:STDOUT:     .Generic = %Generic.decl.loc4
    101. 

  101. // CHECK:STDOUT:   }
    102. 

  102. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    103. 

  103. // CHECK:STDOUT:   %Generic.decl.loc4: Generic = class_decl @Generic [template = constants.%struct.1] {
    104. 

  104. // CHECK:STDOUT:     %T.loc4_15.1: type = param T
    105. 

  105. // CHECK:STDOUT:     %T.loc4_15.2: type = bind_symbolic_name T 0, %T.loc4_15.1 [symbolic = constants.%T]
    106. 

  106. // CHECK:STDOUT:   }
    107. 

  107. // CHECK:STDOUT:   %Generic.decl.loc6: type = class_decl @Generic [template = constants.%struct.2] {
    108. 

  108. // CHECK:STDOUT:     %T.loc6_15.1: type = param T
    109. 

  109. // CHECK:STDOUT:     %T.loc6_15.2: type = bind_symbolic_name T 0, %T.loc6_15.1 [symbolic = constants.%T]
    110. 

  110. // CHECK:STDOUT:   }
    111. 

  111. // CHECK:STDOUT: }
    112. 

  112. // CHECK:STDOUT:
    113. 

  113. // CHECK:STDOUT: class @Generic {
    114. 

  114. // CHECK:STDOUT: !members:
    115. 

  115. // CHECK:STDOUT:   .Self = constants.%Generic.2
    116. 

  116. // CHECK:STDOUT: }
    117. 

  117. // CHECK:STDOUT:
    118. 

  118. // CHECK:STDOUT: --- fail_mismatch_param_list.carbon
    119. 

  119. // CHECK:STDOUT:
    120. 

  120. // CHECK:STDOUT: constants {
    121. 

  121. // CHECK:STDOUT:   %A: type = class_type @A [template]
    122. 

  122. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    123. 

  123. // CHECK:STDOUT:   %.1: type = generic_class_type @.1 [template]
    124. 

  124. // CHECK:STDOUT:   %.2: type = tuple_type () [template]
    125. 

  125. // CHECK:STDOUT:   %struct: <invalid> = struct_value () [template]
    126. 

  126. // CHECK:STDOUT:   %.3: type = class_type @.1 [template]
    127. 

  127. // CHECK:STDOUT:   %.4: type = struct_type {} [template]
    128. 

  128. // CHECK:STDOUT: }
    129. 

  129. // CHECK:STDOUT:
    130. 

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

  131. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    132. 

  132. // CHECK:STDOUT:     .Core = %Core
    133. 

  133. // CHECK:STDOUT:     .A = %A.decl
    134. 

  134. // CHECK:STDOUT:   }
    135. 

  135. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    136. 

  136. // CHECK:STDOUT:   %A.decl: type = class_decl @A [template = constants.%A] {}
    137. 

  137. // CHECK:STDOUT:   %.decl: <invalid> = class_decl @.1 [template = constants.%struct] {
    138. 

  138. // CHECK:STDOUT:     %T.loc12_9.1: type = param T
    139. 

  139. // CHECK:STDOUT:     %T.loc12_9.2: type = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T]
    140. 

  140. // CHECK:STDOUT:   }
    141. 

  141. // CHECK:STDOUT: }
    142. 

  142. // CHECK:STDOUT:
    143. 

  143. // CHECK:STDOUT: class @A;
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: class @.1 {
    146. 

  146. // CHECK:STDOUT: !members:
    147. 

  147. // CHECK:STDOUT:   .Self = constants.%.3
    148. 

  148. // CHECK:STDOUT: }
    149. 

  149. // CHECK:STDOUT:
    150. 

  150. // CHECK:STDOUT: --- fail_mismatch_implicit_param_list.carbon
    151. 

  151. // CHECK:STDOUT:
    152. 

  152. // CHECK:STDOUT: constants {
    153. 

  153. // CHECK:STDOUT:   %N.1: i32 = bind_symbolic_name N 0 [symbolic]
    154. 

  154. // CHECK:STDOUT:   %B.1: type = generic_class_type @B [template]
    155. 

  155. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    156. 

  156. // CHECK:STDOUT:   %struct.1: B = struct_value () [template]
    157. 

  157. // CHECK:STDOUT:   %B.2: type = class_type @B [template]
    158. 

  158. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    159. 

  159. // CHECK:STDOUT:   %N.2: T = bind_symbolic_name N 1 [symbolic]
    160. 

  160. // CHECK:STDOUT:   %.2: type = generic_class_type @.1 [template]
    161. 

  161. // CHECK:STDOUT:   %struct.2: <invalid> = struct_value () [template]
    162. 

  162. // CHECK:STDOUT:   %.3: type = class_type @.1 [template]
    163. 

  163. // CHECK:STDOUT:   %.4: type = struct_type {} [template]
    164. 

  164. // CHECK:STDOUT: }
    165. 

  165. // CHECK:STDOUT:
    166. 

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

  167. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    168. 

  168. // CHECK:STDOUT:     .Core = %Core
    169. 

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

  170. // CHECK:STDOUT:   }
    171. 

  171. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    172. 

  172. // CHECK:STDOUT:   %B.decl: B = class_decl @B [template = constants.%struct.1] {
    173. 

  173. // CHECK:STDOUT:     %N.loc4_9.1: i32 = param N
    174. 

  174. // CHECK:STDOUT:     %N.loc4_9.2: i32 = bind_symbolic_name N 0, %N.loc4_9.1 [symbolic = constants.%N.1]
    175. 

  175. // CHECK:STDOUT:   }
    176. 

  176. // CHECK:STDOUT:   %.decl: <invalid> = class_decl @.1 [template = constants.%struct.2] {
    177. 

  177. // CHECK:STDOUT:     %T.loc12_9.1: type = param T
    178. 

  178. // CHECK:STDOUT:     %T.loc12_9.2: type = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T]
    179. 

  179. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc12_9.2 [symbolic = constants.%T]
    180. 

  180. // CHECK:STDOUT:     %N.loc12_19.1: T = param N
    181. 

  181. // CHECK:STDOUT:     %N.loc12_19.2: T = bind_symbolic_name N 1, %N.loc12_19.1 [symbolic = constants.%N.2]
    182. 

  182. // CHECK:STDOUT:   }
    183. 

  183. // CHECK:STDOUT: }
    184. 

  184. // CHECK:STDOUT:
    185. 

  185. // CHECK:STDOUT: class @B;
    186. 

  186. // CHECK:STDOUT:
    187. 

  187. // CHECK:STDOUT: class @.1 {
    188. 

  188. // CHECK:STDOUT: !members:
    189. 

  189. // CHECK:STDOUT:   .Self = constants.%.3
    190. 

  190. // CHECK:STDOUT: }
    191. 

  191. // CHECK:STDOUT:
    192. 

  192. // CHECK:STDOUT: --- fail_mismatch_param_count.carbon
    193. 

  193. // CHECK:STDOUT:
    194. 

  194. // CHECK:STDOUT: constants {
    195. 

  195. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    196. 

  196. // CHECK:STDOUT:   %C.1: type = generic_class_type @C [template]
    197. 

  197. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    198. 

  198. // CHECK:STDOUT:   %struct.1: C = struct_value () [template]
    199. 

  199. // CHECK:STDOUT:   %C.2: type = class_type @C [template]
    200. 

  200. // CHECK:STDOUT:   %U: i32 = bind_symbolic_name U 1 [symbolic]
    201. 

  201. // CHECK:STDOUT:   %.2: type = generic_class_type @.1 [template]
    202. 

  202. // CHECK:STDOUT:   %struct.2: <invalid> = struct_value () [template]
    203. 

  203. // CHECK:STDOUT:   %.3: type = class_type @.1 [template]
    204. 

  204. // CHECK:STDOUT:   %.4: type = struct_type {} [template]
    205. 

  205. // CHECK:STDOUT: }
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: file {
    208. 

  208. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    209. 

  209. // CHECK:STDOUT:     .Core = %Core
    210. 

  210. // CHECK:STDOUT:     .C = %C.decl
    211. 

  211. // CHECK:STDOUT:   }
    212. 

  212. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    213. 

  213. // CHECK:STDOUT:   %C.decl: C = class_decl @C [template = constants.%struct.1] {
    214. 

  214. // CHECK:STDOUT:     %T.loc4_9.1: type = param T
    215. 

  215. // CHECK:STDOUT:     %T.loc4_9.2: type = bind_symbolic_name T 0, %T.loc4_9.1 [symbolic = constants.%T]
    216. 

  216. // CHECK:STDOUT:   }
    217. 

  217. // CHECK:STDOUT:   %.decl: <invalid> = class_decl @.1 [template = constants.%struct.2] {
    218. 

  218. // CHECK:STDOUT:     %T.loc12_9.1: type = param T
    219. 

  219. // CHECK:STDOUT:     %T.loc12_9.2: type = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T]
    220. 

  220. // CHECK:STDOUT:     %U.loc12_19.1: i32 = param U
    221. 

  221. // CHECK:STDOUT:     %U.loc12_19.2: i32 = bind_symbolic_name U 1, %U.loc12_19.1 [symbolic = constants.%U]
    222. 

  222. // CHECK:STDOUT:   }
    223. 

  223. // CHECK:STDOUT: }
    224. 

  224. // CHECK:STDOUT:
    225. 

  225. // CHECK:STDOUT: class @C;
    226. 

  226. // CHECK:STDOUT:
    227. 

  227. // CHECK:STDOUT: class @.1 {
    228. 

  228. // CHECK:STDOUT: !members:
    229. 

  229. // CHECK:STDOUT:   .Self = constants.%.3
    230. 

  230. // CHECK:STDOUT: }
    231. 

  231. // CHECK:STDOUT:
    232. 

  232. // CHECK:STDOUT: --- fail_mismatch_param_type.carbon
    233. 

  233. // CHECK:STDOUT:
    234. 

  234. // CHECK:STDOUT: constants {
    235. 

  235. // CHECK:STDOUT:   %T.1: type = bind_symbolic_name T 0 [symbolic]
    236. 

  236. // CHECK:STDOUT:   %D.1: type = generic_class_type @D [template]
    237. 

  237. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    238. 

  238. // CHECK:STDOUT:   %struct.1: D = struct_value () [template]
    239. 

  239. // CHECK:STDOUT:   %D.2: type = class_type @D [template]
    240. 

  240. // CHECK:STDOUT:   %T.2: i32 = bind_symbolic_name T 0 [symbolic]
    241. 

  241. // CHECK:STDOUT:   %.2: type = generic_class_type @.1 [template]
    242. 

  242. // CHECK:STDOUT:   %struct.2: <invalid> = struct_value () [template]
    243. 

  243. // CHECK:STDOUT:   %.3: type = class_type @.1 [template]
    244. 

  244. // CHECK:STDOUT:   %.4: type = struct_type {} [template]
    245. 

  245. // CHECK:STDOUT: }
    246. 

  246. // CHECK:STDOUT:
    247. 

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

  248. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    249. 

  249. // CHECK:STDOUT:     .Core = %Core
    250. 

  250. // CHECK:STDOUT:     .D = %D.decl
    251. 

  251. // CHECK:STDOUT:   }
    252. 

  252. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    253. 

  253. // CHECK:STDOUT:   %D.decl: D = class_decl @D [template = constants.%struct.1] {
    254. 

  254. // CHECK:STDOUT:     %T.loc4_9.1: type = param T
    255. 

  255. // CHECK:STDOUT:     %T.loc4_9.2: type = bind_symbolic_name T 0, %T.loc4_9.1 [symbolic = constants.%T.1]
    256. 

  256. // CHECK:STDOUT:   }
    257. 

  257. // CHECK:STDOUT:   %.decl: <invalid> = class_decl @.1 [template = constants.%struct.2] {
    258. 

  258. // CHECK:STDOUT:     %T.loc12_9.1: i32 = param T
    259. 

  259. // CHECK:STDOUT:     %T.loc12_9.2: i32 = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T.2]
    260. 

  260. // CHECK:STDOUT:   }
    261. 

  261. // CHECK:STDOUT: }
    262. 

  262. // CHECK:STDOUT:
    263. 

  263. // CHECK:STDOUT: class @D;
    264. 

  264. // CHECK:STDOUT:
    265. 

  265. // CHECK:STDOUT: class @.1 {
    266. 

  266. // CHECK:STDOUT: !members:
    267. 

  267. // CHECK:STDOUT:   .Self = constants.%.3
    268. 

  268. // CHECK:STDOUT: }
    269. 

  269. // CHECK:STDOUT:
    270. 

  270. // CHECK:STDOUT: --- fail_mismatch_param_name.carbon
    271. 

  271. // CHECK:STDOUT:
    272. 

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

  273. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    274. 

  274. // CHECK:STDOUT:   %E.1: type = generic_class_type @E [template]
    275. 

  275. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    276. 

  276. // CHECK:STDOUT:   %struct.1: E = struct_value () [template]
    277. 

  277. // CHECK:STDOUT:   %E.2: type = class_type @E [template]
    278. 

  278. // CHECK:STDOUT:   %U: type = bind_symbolic_name U 0 [symbolic]
    279. 

  279. // CHECK:STDOUT:   %.2: type = generic_class_type @.1 [template]
    280. 

  280. // CHECK:STDOUT:   %struct.2: <invalid> = struct_value () [template]
    281. 

  281. // CHECK:STDOUT:   %.3: type = class_type @.1 [template]
    282. 

  282. // CHECK:STDOUT:   %.4: type = struct_type {} [template]
    283. 

  283. // CHECK:STDOUT: }
    284. 

  284. // CHECK:STDOUT:
    285. 

  285. // CHECK:STDOUT: file {
    286. 

  286. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    287. 

  287. // CHECK:STDOUT:     .Core = %Core
    288. 

  288. // CHECK:STDOUT:     .E = %E.decl
    289. 

  289. // CHECK:STDOUT:   }
    290. 

  290. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    291. 

  291. // CHECK:STDOUT:   %E.decl: E = class_decl @E [template = constants.%struct.1] {
    292. 

  292. // CHECK:STDOUT:     %T.loc4_9.1: type = param T
    293. 

  293. // CHECK:STDOUT:     %T.loc4_9.2: type = bind_symbolic_name T 0, %T.loc4_9.1 [symbolic = constants.%T]
    294. 

  294. // CHECK:STDOUT:   }
    295. 

  295. // CHECK:STDOUT:   %.decl: <invalid> = class_decl @.1 [template = constants.%struct.2] {
    296. 

  296. // CHECK:STDOUT:     %U.loc11_9.1: type = param U
    297. 

  297. // CHECK:STDOUT:     %U.loc11_9.2: type = bind_symbolic_name U 0, %U.loc11_9.1 [symbolic = constants.%U]
    298. 

  298. // CHECK:STDOUT:   }
    299. 

  299. // CHECK:STDOUT: }
    300. 

  300. // CHECK:STDOUT:
    301. 

  301. // CHECK:STDOUT: class @E;
    302. 

  302. // CHECK:STDOUT:
    303. 

  303. // CHECK:STDOUT: class @.1 {
    304. 

  304. // CHECK:STDOUT: !members:
    305. 

  305. // CHECK:STDOUT:   .Self = constants.%.3
    306. 

  306. // CHECK:STDOUT: }
    307. 

  307. // CHECK:STDOUT:
    308.