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import.carbon

import.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/alias/no_prelude/import.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/alias/no_prelude/import.carbon
    10. 

  10. 

  11. // --- class1.carbon
    12. 

  12. 

  13. library "[[@TEST_NAME]]";
    14. 

  14. 

  15. class C {}
    16. 

  16. 

  17. alias c_alias = C;
    18. 

  18. 

  19. var a: C*;
    20. 

  20. 

  21. // --- class2.carbon
    22. 

  22. 

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

  24. 

  25. import library "class1";
    26. 

  26. 

  27. alias c_alias_alias = c_alias;
    28. 

  28. 

  29. var b: c_alias*;
    30. 

  30. 

  31. // --- class3.carbon
    32. 

  32. 

  33. library "[[@TEST_NAME]]";
    34. 

  34. 

  35. import library "class2";
    36. 

  36. 

  37. var c: c_alias_alias*;
    38. 

  38. 

  39. // --- var1.carbon
    40. 

  40. 

  41. library "[[@TEST_NAME]]";
    42. 

  42. 

  43. var a: () = ();
    44. 

  44. 

  45. alias a_alias = a;
    46. 

  46. 

  47. // --- var2.carbon
    48. 

  48. 

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

  50. 

  51. import library "var1";
    52. 

  52. 

  53. alias a_alias_alias = a_alias;
    54. 

  54. 

  55. var b: () = a_alias;
    56. 

  56. 

  57. // --- fail_var3.carbon
    58. 

  58. 

  59. library "[[@TEST_NAME]]";
    60. 

  60. 

  61. // CHECK:STDERR: fail_var3.carbon:[[@LINE+5]]:1: in import [InImport]
    62. 

  62. // CHECK:STDERR: var2.carbon:8:5: error: semantics TODO: `Non-constant ImportRefLoaded (comes up with var)` [SemanticsTodo]
    63. 

  63. // CHECK:STDERR: var b: () = a_alias;
    64. 

  64. // CHECK:STDERR:     ^
    65. 

  65. // CHECK:STDERR:
    66. 

  66. import library "var2";
    67. 

  67. 

  68. var c: () = a_alias_alias;
    69. 

  69. 

  70. // CHECK:STDOUT: --- class1.carbon
    71. 

  71. // CHECK:STDOUT:
    72. 

  72. // CHECK:STDOUT: constants {
    73. 

  73. // CHECK:STDOUT:   %C: type = class_type @C [template]
    74. 

  74. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
    75. 

  75. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
    76. 

  76. // CHECK:STDOUT:   %ptr: type = ptr_type %C [template]
    77. 

  77. // CHECK:STDOUT: }
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: file {
    80. 

  80. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    81. 

  81. // CHECK:STDOUT:     .C = %C.decl
    82. 

  82. // CHECK:STDOUT:     .c_alias = %c_alias
    83. 

  83. // CHECK:STDOUT:     .a = %a
    84. 

  84. // CHECK:STDOUT:   }
    85. 

  85. // CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {} {}
    86. 

  86. // CHECK:STDOUT:   %C.ref.loc6: type = name_ref C, %C.decl [template = constants.%C]
    87. 

  87. // CHECK:STDOUT:   %c_alias: type = bind_alias c_alias, %C.decl [template = constants.%C]
    88. 

  88. // CHECK:STDOUT:   name_binding_decl {
    89. 

  89. // CHECK:STDOUT:     %a.patt: %ptr = binding_pattern a
    90. 

  90. // CHECK:STDOUT:     %.loc8_1: %ptr = var_pattern %a.patt
    91. 

  91. // CHECK:STDOUT:   }
    92. 

  92. // CHECK:STDOUT:   %a.var: ref %ptr = var a
    93. 

  93. // CHECK:STDOUT:   %.loc8_9: type = splice_block %ptr [template = constants.%ptr] {
    94. 

  94. // CHECK:STDOUT:     %C.ref.loc8: type = name_ref C, %C.decl [template = constants.%C]
    95. 

  95. // CHECK:STDOUT:     %ptr: type = ptr_type %C [template = constants.%ptr]
    96. 

  96. // CHECK:STDOUT:   }
    97. 

  97. // CHECK:STDOUT:   %a: ref %ptr = bind_name a, %a.var
    98. 

  98. // CHECK:STDOUT: }
    99. 

  99. // CHECK:STDOUT:
    100. 

  100. // CHECK:STDOUT: class @C {
    101. 

  101. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type]
    102. 

  102. // CHECK:STDOUT:   complete_type_witness = %complete_type
    103. 

  103. // CHECK:STDOUT:
    104. 

  104. // CHECK:STDOUT: !members:
    105. 

  105. // CHECK:STDOUT:   .Self = constants.%C
    106. 

  106. // CHECK:STDOUT: }
    107. 

  107. // CHECK:STDOUT:
    108. 

  108. // CHECK:STDOUT: --- class2.carbon
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: constants {
    111. 

  111. // CHECK:STDOUT:   %C: type = class_type @C [template]
    112. 

  112. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
    113. 

  113. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
    114. 

  114. // CHECK:STDOUT:   %ptr: type = ptr_type %C [template]
    115. 

  115. // CHECK:STDOUT: }
    116. 

  116. // CHECK:STDOUT:
    117. 

  117. // CHECK:STDOUT: imports {
    118. 

  118. // CHECK:STDOUT:   %Main.C = import_ref Main//class1, C, unloaded
    119. 

  119. // CHECK:STDOUT:   %Main.c_alias: type = import_ref Main//class1, c_alias, loaded [template = constants.%C]
    120. 

  120. // CHECK:STDOUT:   %Main.a = import_ref Main//class1, a, unloaded
    121. 

  121. // CHECK:STDOUT:   %Main.import_ref.8f2: <witness> = import_ref Main//class1, loc4_10, loaded [template = constants.%complete_type]
    122. 

  122. // CHECK:STDOUT:   %Main.import_ref.2c4 = import_ref Main//class1, inst14 [no loc], unloaded
    123. 

  123. // CHECK:STDOUT: }
    124. 

  124. // CHECK:STDOUT:
    125. 

  125. // CHECK:STDOUT: file {
    126. 

  126. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    127. 

  127. // CHECK:STDOUT:     .C = imports.%Main.C
    128. 

  128. // CHECK:STDOUT:     .c_alias = imports.%Main.c_alias
    129. 

  129. // CHECK:STDOUT:     .a = imports.%Main.a
    130. 

  130. // CHECK:STDOUT:     .c_alias_alias = %c_alias_alias
    131. 

  131. // CHECK:STDOUT:     .b = %b
    132. 

  132. // CHECK:STDOUT:   }
    133. 

  133. // CHECK:STDOUT:   %default.import = import <none>
    134. 

  134. // CHECK:STDOUT:   %c_alias.ref.loc6: type = name_ref c_alias, imports.%Main.c_alias [template = constants.%C]
    135. 

  135. // CHECK:STDOUT:   %c_alias_alias: type = bind_alias c_alias_alias, imports.%Main.c_alias [template = constants.%C]
    136. 

  136. // CHECK:STDOUT:   name_binding_decl {
    137. 

  137. // CHECK:STDOUT:     %b.patt: %ptr = binding_pattern b
    138. 

  138. // CHECK:STDOUT:     %.loc8_1: %ptr = var_pattern %b.patt
    139. 

  139. // CHECK:STDOUT:   }
    140. 

  140. // CHECK:STDOUT:   %b.var: ref %ptr = var b
    141. 

  141. // CHECK:STDOUT:   %.loc8_15: type = splice_block %ptr [template = constants.%ptr] {
    142. 

  142. // CHECK:STDOUT:     %c_alias.ref.loc8: type = name_ref c_alias, imports.%Main.c_alias [template = constants.%C]
    143. 

  143. // CHECK:STDOUT:     %ptr: type = ptr_type %C [template = constants.%ptr]
    144. 

  144. // CHECK:STDOUT:   }
    145. 

  145. // CHECK:STDOUT:   %b: ref %ptr = bind_name b, %b.var
    146. 

  146. // CHECK:STDOUT: }
    147. 

  147. // CHECK:STDOUT:
    148. 

  148. // CHECK:STDOUT: class @C [from "class1.carbon"] {
    149. 

  149. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8f2
    150. 

  150. // CHECK:STDOUT:
    151. 

  151. // CHECK:STDOUT: !members:
    152. 

  152. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.2c4
    153. 

  153. // CHECK:STDOUT: }
    154. 

  154. // CHECK:STDOUT:
    155. 

  155. // CHECK:STDOUT: --- class3.carbon
    156. 

  156. // CHECK:STDOUT:
    157. 

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

  158. // CHECK:STDOUT:   %C: type = class_type @C [template]
    159. 

  159. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
    160. 

  160. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
    161. 

  161. // CHECK:STDOUT:   %ptr: type = ptr_type %C [template]
    162. 

  162. // CHECK:STDOUT: }
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: imports {
    165. 

  165. // CHECK:STDOUT:   %Main.c_alias_alias: type = import_ref Main//class2, c_alias_alias, loaded [template = constants.%C]
    166. 

  166. // CHECK:STDOUT:   %Main.b = import_ref Main//class2, b, unloaded
    167. 

  167. // CHECK:STDOUT:   %Main.import_ref.8db: <witness> = import_ref Main//class2, inst21 [indirect], loaded [template = constants.%complete_type]
    168. 

  168. // CHECK:STDOUT:   %Main.import_ref.6a9 = import_ref Main//class2, inst22 [indirect], unloaded
    169. 

  169. // CHECK:STDOUT: }
    170. 

  170. // CHECK:STDOUT:
    171. 

  171. // CHECK:STDOUT: file {
    172. 

  172. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    173. 

  173. // CHECK:STDOUT:     .c_alias_alias = imports.%Main.c_alias_alias
    174. 

  174. // CHECK:STDOUT:     .b = imports.%Main.b
    175. 

  175. // CHECK:STDOUT:     .c = %c
    176. 

  176. // CHECK:STDOUT:   }
    177. 

  177. // CHECK:STDOUT:   %default.import = import <none>
    178. 

  178. // CHECK:STDOUT:   name_binding_decl {
    179. 

  179. // CHECK:STDOUT:     %c.patt: %ptr = binding_pattern c
    180. 

  180. // CHECK:STDOUT:     %.loc6_1: %ptr = var_pattern %c.patt
    181. 

  181. // CHECK:STDOUT:   }
    182. 

  182. // CHECK:STDOUT:   %c.var: ref %ptr = var c
    183. 

  183. // CHECK:STDOUT:   %.loc6_21: type = splice_block %ptr [template = constants.%ptr] {
    184. 

  184. // CHECK:STDOUT:     %c_alias_alias.ref: type = name_ref c_alias_alias, imports.%Main.c_alias_alias [template = constants.%C]
    185. 

  185. // CHECK:STDOUT:     %ptr: type = ptr_type %C [template = constants.%ptr]
    186. 

  186. // CHECK:STDOUT:   }
    187. 

  187. // CHECK:STDOUT:   %c: ref %ptr = bind_name c, %c.var
    188. 

  188. // CHECK:STDOUT: }
    189. 

  189. // CHECK:STDOUT:
    190. 

  190. // CHECK:STDOUT: class @C [from "class2.carbon"] {
    191. 

  191. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8db
    192. 

  192. // CHECK:STDOUT:
    193. 

  193. // CHECK:STDOUT: !members:
    194. 

  194. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.6a9
    195. 

  195. // CHECK:STDOUT: }
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: --- var1.carbon
    198. 

  198. // CHECK:STDOUT:
    199. 

  199. // CHECK:STDOUT: constants {
    200. 

  200. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
    201. 

  201. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [template]
    202. 

  202. // CHECK:STDOUT: }
    203. 

  203. // CHECK:STDOUT:
    204. 

  204. // CHECK:STDOUT: file {
    205. 

  205. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    206. 

  206. // CHECK:STDOUT:     .a = %a
    207. 

  207. // CHECK:STDOUT:     .a_alias = %a_alias
    208. 

  208. // CHECK:STDOUT:   }
    209. 

  209. // CHECK:STDOUT:   name_binding_decl {
    210. 

  210. // CHECK:STDOUT:     %a.patt: %empty_tuple.type = binding_pattern a
    211. 

  211. // CHECK:STDOUT:     %.loc4_1: %empty_tuple.type = var_pattern %a.patt
    212. 

  212. // CHECK:STDOUT:   }
    213. 

  213. // CHECK:STDOUT:   %a.var: ref %empty_tuple.type = var a
    214. 

  214. // CHECK:STDOUT:   %.loc4_9.1: type = splice_block %.loc4_9.3 [template = constants.%empty_tuple.type] {
    215. 

  215. // CHECK:STDOUT:     %.loc4_9.2: %empty_tuple.type = tuple_literal ()
    216. 

  216. // CHECK:STDOUT:     %.loc4_9.3: type = converted %.loc4_9.2, constants.%empty_tuple.type [template = constants.%empty_tuple.type]
    217. 

  217. // CHECK:STDOUT:   }
    218. 

  218. // CHECK:STDOUT:   %a: ref %empty_tuple.type = bind_name a, %a.var
    219. 

  219. // CHECK:STDOUT:   %a.ref: ref %empty_tuple.type = name_ref a, %a
    220. 

  220. // CHECK:STDOUT:   %a_alias: ref %empty_tuple.type = bind_alias a_alias, %a
    221. 

  221. // CHECK:STDOUT: }
    222. 

  222. // CHECK:STDOUT:
    223. 

  223. // CHECK:STDOUT: fn @__global_init() {
    224. 

  224. // CHECK:STDOUT: !entry:
    225. 

  225. // CHECK:STDOUT:   %.loc4_14.1: %empty_tuple.type = tuple_literal ()
    226. 

  226. // CHECK:STDOUT:   %.loc4_14.2: init %empty_tuple.type = tuple_init () to file.%a.var [template = constants.%empty_tuple]
    227. 

  227. // CHECK:STDOUT:   %.loc4_1: init %empty_tuple.type = converted %.loc4_14.1, %.loc4_14.2 [template = constants.%empty_tuple]
    228. 

  228. // CHECK:STDOUT:   assign file.%a.var, %.loc4_1
    229. 

  229. // CHECK:STDOUT:   return
    230. 

  230. // CHECK:STDOUT: }
    231. 

  231. // CHECK:STDOUT:
    232. 

  232. // CHECK:STDOUT: --- var2.carbon
    233. 

  233. // CHECK:STDOUT:
    234. 

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

  235. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
    236. 

  236. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [template]
    237. 

  237. // CHECK:STDOUT: }
    238. 

  238. // CHECK:STDOUT:
    239. 

  239. // CHECK:STDOUT: imports {
    240. 

  240. // CHECK:STDOUT:   %Main.a = import_ref Main//var1, a, unloaded
    241. 

  241. // CHECK:STDOUT:   %Main.a_alias: ref %empty_tuple.type = import_ref Main//var1, a_alias, loaded
    242. 

  242. // CHECK:STDOUT: }
    243. 

  243. // CHECK:STDOUT:
    244. 

  244. // CHECK:STDOUT: file {
    245. 

  245. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    246. 

  246. // CHECK:STDOUT:     .a = imports.%Main.a
    247. 

  247. // CHECK:STDOUT:     .a_alias = imports.%Main.a_alias
    248. 

  248. // CHECK:STDOUT:     .a_alias_alias = %a_alias_alias
    249. 

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

  250. // CHECK:STDOUT:   }
    251. 

  251. // CHECK:STDOUT:   %default.import = import <none>
    252. 

  252. // CHECK:STDOUT:   %a_alias.ref: ref %empty_tuple.type = name_ref a_alias, imports.%Main.a_alias
    253. 

  253. // CHECK:STDOUT:   %a_alias_alias: ref %empty_tuple.type = bind_alias a_alias_alias, imports.%Main.a_alias
    254. 

  254. // CHECK:STDOUT:   name_binding_decl {
    255. 

  255. // CHECK:STDOUT:     %b.patt: %empty_tuple.type = binding_pattern b
    256. 

  256. // CHECK:STDOUT:     %.loc8_1: %empty_tuple.type = var_pattern %b.patt
    257. 

  257. // CHECK:STDOUT:   }
    258. 

  258. // CHECK:STDOUT:   %b.var: ref %empty_tuple.type = var b
    259. 

  259. // CHECK:STDOUT:   %.loc8_9.1: type = splice_block %.loc8_9.3 [template = constants.%empty_tuple.type] {
    260. 

  260. // CHECK:STDOUT:     %.loc8_9.2: %empty_tuple.type = tuple_literal ()
    261. 

  261. // CHECK:STDOUT:     %.loc8_9.3: type = converted %.loc8_9.2, constants.%empty_tuple.type [template = constants.%empty_tuple.type]
    262. 

  262. // CHECK:STDOUT:   }
    263. 

  263. // CHECK:STDOUT:   %b: ref %empty_tuple.type = bind_name b, %b.var
    264. 

  264. // CHECK:STDOUT: }
    265. 

  265. // CHECK:STDOUT:
    266. 

  266. // CHECK:STDOUT: fn @__global_init() {
    267. 

  267. // CHECK:STDOUT: !entry:
    268. 

  268. // CHECK:STDOUT:   %a_alias.ref: ref %empty_tuple.type = name_ref a_alias, imports.%Main.a_alias
    269. 

  269. // CHECK:STDOUT:   %.loc8_13: init %empty_tuple.type = tuple_init () to file.%b.var [template = constants.%empty_tuple]
    270. 

  270. // CHECK:STDOUT:   %.loc8_1: init %empty_tuple.type = converted %a_alias.ref, %.loc8_13 [template = constants.%empty_tuple]
    271. 

  271. // CHECK:STDOUT:   assign file.%b.var, %.loc8_1
    272. 

  272. // CHECK:STDOUT:   return
    273. 

  273. // CHECK:STDOUT: }
    274. 

  274. // CHECK:STDOUT:
    275. 

  275. // CHECK:STDOUT: --- fail_var3.carbon
    276. 

  276. // CHECK:STDOUT:
    277. 

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

  278. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
    279. 

  279. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [template]
    280. 

  280. // CHECK:STDOUT: }
    281. 

  281. // CHECK:STDOUT:
    282. 

  282. // CHECK:STDOUT: imports {
    283. 

  283. // CHECK:STDOUT:   %Main.a_alias_alias: ref %empty_tuple.type = import_ref Main//var2, a_alias_alias, loaded
    284. 

  284. // CHECK:STDOUT:   %Main.b = import_ref Main//var2, b, unloaded
    285. 

  285. // CHECK:STDOUT: }
    286. 

  286. // CHECK:STDOUT:
    287. 

  287. // CHECK:STDOUT: file {
    288. 

  288. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    289. 

  289. // CHECK:STDOUT:     .a_alias_alias = imports.%Main.a_alias_alias
    290. 

  290. // CHECK:STDOUT:     .b = imports.%Main.b
    291. 

  291. // CHECK:STDOUT:     .c = %c
    292. 

  292. // CHECK:STDOUT:   }
    293. 

  293. // CHECK:STDOUT:   %default.import = import <none>
    294. 

  294. // CHECK:STDOUT:   name_binding_decl {
    295. 

  295. // CHECK:STDOUT:     %c.patt: %empty_tuple.type = binding_pattern c
    296. 

  296. // CHECK:STDOUT:     %.loc11_1: %empty_tuple.type = var_pattern %c.patt
    297. 

  297. // CHECK:STDOUT:   }
    298. 

  298. // CHECK:STDOUT:   %c.var: ref %empty_tuple.type = var c
    299. 

  299. // CHECK:STDOUT:   %.loc11_9.1: type = splice_block %.loc11_9.3 [template = constants.%empty_tuple.type] {
    300. 

  300. // CHECK:STDOUT:     %.loc11_9.2: %empty_tuple.type = tuple_literal ()
    301. 

  301. // CHECK:STDOUT:     %.loc11_9.3: type = converted %.loc11_9.2, constants.%empty_tuple.type [template = constants.%empty_tuple.type]
    302. 

  302. // CHECK:STDOUT:   }
    303. 

  303. // CHECK:STDOUT:   %c: ref %empty_tuple.type = bind_name c, %c.var
    304. 

  304. // CHECK:STDOUT: }
    305. 

  305. // CHECK:STDOUT:
    306. 

  306. // CHECK:STDOUT: fn @__global_init() {
    307. 

  307. // CHECK:STDOUT: !entry:
    308. 

  308. // CHECK:STDOUT:   %a_alias_alias.ref: ref %empty_tuple.type = name_ref a_alias_alias, imports.%Main.a_alias_alias
    309. 

  309. // CHECK:STDOUT:   %.loc11_13: init %empty_tuple.type = tuple_init () to file.%c.var [template = constants.%empty_tuple]
    310. 

  310. // CHECK:STDOUT:   %.loc11_1: init %empty_tuple.type = converted %a_alias_alias.ref, %.loc11_13 [template = constants.%empty_tuple]
    311. 

  311. // CHECK:STDOUT:   assign file.%c.var, %.loc11_1
    312. 

  312. // CHECK:STDOUT:   return
    313. 

  313. // CHECK:STDOUT: }
    314. 

  314. // CHECK:STDOUT:
    315.