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tomteb
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carbon-lang
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carbon-lang
/
toolchain
/
check
/
testdata
/
interface
/
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. 

  7. // --- a.carbon
    8. 

  8. 

  9. library "a" api;
    10. 

  10. 

  11. interface Empty {
    12. 

  12. }
    13. 

  13. 

  14. interface Basic {
    15. 

  15.   let T:! type;
    16. 

  16.   fn F();
    17. 

  17. }
    18. 

  18. 

  19. interface ForwardDeclared;
    20. 

  20. 

  21. interface ForwardDeclared {
    22. 

  22.   let T:! type;
    23. 

  23.   fn F();
    24. 

  24. }
    25. 

  25. 

  26. var f_ref: {.f: ForwardDeclared};
    27. 

  27. 

  28. // --- b.carbon
    29. 

  29. 

  30. library "b" api;
    31. 

  31. 

  32. import library "a";
    33. 

  33. 

  34. fn UseEmpty(e: Empty) {}
    35. 

  35. fn UseBasic(e: Basic) {}
    36. 

  36. fn UseForwardDeclared(f: ForwardDeclared) {}
    37. 

  37. 

  38. alias UseBasicT = Basic.T;
    39. 

  39. alias UseBasicF = Basic.F;
    40. 

  40. 

  41. alias UseForwardDeclaredT = ForwardDeclared.T;
    42. 

  42. alias UseForwardDeclaredF = ForwardDeclared.F;
    43. 

  43. 

  44. var f: ForwardDeclared* = &f_ref.f;
    45. 

  45. 

  46. // CHECK:STDOUT: --- a.carbon
    47. 

  47. // CHECK:STDOUT:
    48. 

  48. // CHECK:STDOUT: constants {
    49. 

  49. // CHECK:STDOUT:   %.1: type = interface_type @Empty [template]
    50. 

  50. // CHECK:STDOUT:   %.2: type = interface_type @Basic [template]
    51. 

  51. // CHECK:STDOUT:   %.3: type = assoc_entity_type @Basic, type [template]
    52. 

  52. // CHECK:STDOUT:   %.4: <associated type in Basic> = assoc_entity element0, @Basic.%T [template]
    53. 

  53. // CHECK:STDOUT:   %.5: type = assoc_entity_type @Basic, <function> [template]
    54. 

  54. // CHECK:STDOUT:   %.6: <associated <function> in Basic> = assoc_entity element1, @Basic.%F [template]
    55. 

  55. // CHECK:STDOUT:   %.7: type = interface_type @ForwardDeclared [template]
    56. 

  56. // CHECK:STDOUT:   %.8: type = assoc_entity_type @ForwardDeclared, type [template]
    57. 

  57. // CHECK:STDOUT:   %.9: <associated type in ForwardDeclared> = assoc_entity element0, @ForwardDeclared.%T [template]
    58. 

  58. // CHECK:STDOUT:   %.10: type = assoc_entity_type @ForwardDeclared, <function> [template]
    59. 

  59. // CHECK:STDOUT:   %.11: <associated <function> in ForwardDeclared> = assoc_entity element1, @ForwardDeclared.%F [template]
    60. 

  60. // CHECK:STDOUT:   %.12: type = struct_type {.f: ForwardDeclared} [template]
    61. 

  61. // CHECK:STDOUT:   %.13: type = tuple_type () [template]
    62. 

  62. // CHECK:STDOUT:   %.14: type = struct_type {.f: ()} [template]
    63. 

  63. // CHECK:STDOUT: }
    64. 

  64. // CHECK:STDOUT:
    65. 

  65. // CHECK:STDOUT: file {
    66. 

  66. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    67. 

  67. // CHECK:STDOUT:     .Empty = %Empty.decl
    68. 

  68. // CHECK:STDOUT:     .Basic = %Basic.decl
    69. 

  69. // CHECK:STDOUT:     .ForwardDeclared = %ForwardDeclared.decl.loc12
    70. 

  70. // CHECK:STDOUT:     .f_ref = %f_ref
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %Empty.decl: type = interface_decl @Empty [template = constants.%.1] {}
    73. 

  73. // CHECK:STDOUT:   %Basic.decl: type = interface_decl @Basic [template = constants.%.2] {}
    74. 

  74. // CHECK:STDOUT:   %ForwardDeclared.decl.loc12: type = interface_decl @ForwardDeclared [template = constants.%.7] {}
    75. 

  75. // CHECK:STDOUT:   %ForwardDeclared.decl.loc14: type = interface_decl @ForwardDeclared [template = constants.%.7] {}
    76. 

  76. // CHECK:STDOUT:   %ForwardDeclared.ref: type = name_ref ForwardDeclared, %ForwardDeclared.decl.loc12 [template = constants.%.7]
    77. 

  77. // CHECK:STDOUT:   %.loc19: type = struct_type {.f: ForwardDeclared} [template = constants.%.12]
    78. 

  78. // CHECK:STDOUT:   %f_ref.var: ref {.f: ForwardDeclared} = var f_ref
    79. 

  79. // CHECK:STDOUT:   %f_ref: ref {.f: ForwardDeclared} = bind_name f_ref, %f_ref.var
    80. 

  80. // CHECK:STDOUT: }
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: interface @Empty {
    83. 

  83. // CHECK:STDOUT:   %Self: Empty = bind_symbolic_name Self [symbolic]
    84. 

  84. // CHECK:STDOUT:
    85. 

  85. // CHECK:STDOUT: !members:
    86. 

  86. // CHECK:STDOUT:   .Self = %Self
    87. 

  87. // CHECK:STDOUT:   witness = ()
    88. 

  88. // CHECK:STDOUT: }
    89. 

  89. // CHECK:STDOUT:
    90. 

  90. // CHECK:STDOUT: interface @Basic {
    91. 

  91. // CHECK:STDOUT:   %Self: Basic = bind_symbolic_name Self [symbolic]
    92. 

  92. // CHECK:STDOUT:   %T: type = assoc_const_decl T [template]
    93. 

  93. // CHECK:STDOUT:   %.loc8: <associated type in Basic> = assoc_entity element0, %T [template = constants.%.4]
    94. 

  94. // CHECK:STDOUT:   %F: <function> = fn_decl @F.1 [template] {}
    95. 

  95. // CHECK:STDOUT:   %.loc9: <associated <function> in Basic> = assoc_entity element1, %F [template = constants.%.6]
    96. 

  96. // CHECK:STDOUT:
    97. 

  97. // CHECK:STDOUT: !members:
    98. 

  98. // CHECK:STDOUT:   .Self = %Self
    99. 

  99. // CHECK:STDOUT:   .T = %.loc8
    100. 

  100. // CHECK:STDOUT:   .F = %.loc9
    101. 

  101. // CHECK:STDOUT:   witness = (%T, %F)
    102. 

  102. // CHECK:STDOUT: }
    103. 

  103. // CHECK:STDOUT:
    104. 

  104. // CHECK:STDOUT: interface @ForwardDeclared {
    105. 

  105. // CHECK:STDOUT:   %Self: ForwardDeclared = bind_symbolic_name Self [symbolic]
    106. 

  106. // CHECK:STDOUT:   %T: type = assoc_const_decl T [template]
    107. 

  107. // CHECK:STDOUT:   %.loc15: <associated type in ForwardDeclared> = assoc_entity element0, %T [template = constants.%.9]
    108. 

  108. // CHECK:STDOUT:   %F: <function> = fn_decl @F.2 [template] {}
    109. 

  109. // CHECK:STDOUT:   %.loc16: <associated <function> in ForwardDeclared> = assoc_entity element1, %F [template = constants.%.11]
    110. 

  110. // CHECK:STDOUT:
    111. 

  111. // CHECK:STDOUT: !members:
    112. 

  112. // CHECK:STDOUT:   .Self = %Self
    113. 

  113. // CHECK:STDOUT:   .T = %.loc15
    114. 

  114. // CHECK:STDOUT:   .F = %.loc16
    115. 

  115. // CHECK:STDOUT:   witness = (%T, %F)
    116. 

  116. // CHECK:STDOUT: }
    117. 

  117. // CHECK:STDOUT:
    118. 

  118. // CHECK:STDOUT: fn @F.1();
    119. 

  119. // CHECK:STDOUT:
    120. 

  120. // CHECK:STDOUT: fn @F.2();
    121. 

  121. // CHECK:STDOUT:
    122. 

  122. // CHECK:STDOUT: --- b.carbon
    123. 

  123. // CHECK:STDOUT:
    124. 

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

  125. // CHECK:STDOUT:   %.1: type = interface_type @Empty [template]
    126. 

  126. // CHECK:STDOUT:   %.2: type = tuple_type () [template]
    127. 

  127. // CHECK:STDOUT:   %.3: type = interface_type @Basic [template]
    128. 

  128. // CHECK:STDOUT:   %.4: type = interface_type @ForwardDeclared [template]
    129. 

  129. // CHECK:STDOUT:   %.5: type = assoc_entity_type @Basic, type [template]
    130. 

  130. // CHECK:STDOUT:   %.6: <associated type in Basic> = assoc_entity element0, file.%import_ref.16 [template]
    131. 

  131. // CHECK:STDOUT:   %.7: type = assoc_entity_type @Basic, <function> [template]
    132. 

  132. // CHECK:STDOUT:   %.8: <associated <function> in Basic> = assoc_entity element1, file.%import_ref.17 [template]
    133. 

  133. // CHECK:STDOUT:   %.9: type = assoc_entity_type @ForwardDeclared, type [template]
    134. 

  134. // CHECK:STDOUT:   %.10: <associated type in ForwardDeclared> = assoc_entity element0, file.%import_ref.18 [template]
    135. 

  135. // CHECK:STDOUT:   %.11: type = assoc_entity_type @ForwardDeclared, <function> [template]
    136. 

  136. // CHECK:STDOUT:   %.12: <associated <function> in ForwardDeclared> = assoc_entity element1, file.%import_ref.19 [template]
    137. 

  137. // CHECK:STDOUT:   %.13: type = ptr_type ForwardDeclared [template]
    138. 

  138. // CHECK:STDOUT:   %.14: type = struct_type {.f: ForwardDeclared} [template]
    139. 

  139. // CHECK:STDOUT:   %.15: type = struct_type {.f: ()} [template]
    140. 

  140. // CHECK:STDOUT: }
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: file {
    143. 

  143. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    144. 

  144. // CHECK:STDOUT:     .Empty = %import_ref.1
    145. 

  145. // CHECK:STDOUT:     .Basic = %import_ref.2
    146. 

  146. // CHECK:STDOUT:     .ForwardDeclared = %import_ref.3
    147. 

  147. // CHECK:STDOUT:     .f_ref = %import_ref.4
    148. 

  148. // CHECK:STDOUT:     .UseEmpty = %UseEmpty
    149. 

  149. // CHECK:STDOUT:     .UseBasic = %UseBasic
    150. 

  150. // CHECK:STDOUT:     .UseForwardDeclared = %UseForwardDeclared
    151. 

  151. // CHECK:STDOUT:     .UseBasicT = %UseBasicT
    152. 

  152. // CHECK:STDOUT:     .UseBasicF = %UseBasicF
    153. 

  153. // CHECK:STDOUT:     .UseForwardDeclaredT = %UseForwardDeclaredT
    154. 

  154. // CHECK:STDOUT:     .UseForwardDeclaredF = %UseForwardDeclaredF
    155. 

  155. // CHECK:STDOUT:     .f = %f.loc16
    156. 

  156. // CHECK:STDOUT:   }
    157. 

  157. // CHECK:STDOUT:   %import_ref.1: type = import_ref ir1, inst+1, used [template = constants.%.1]
    158. 

  158. // CHECK:STDOUT:   %import_ref.2: type = import_ref ir1, inst+4, used [template = constants.%.3]
    159. 

  159. // CHECK:STDOUT:   %import_ref.3: type = import_ref ir1, inst+15, used [template = constants.%.4]
    160. 

  160. // CHECK:STDOUT:   %import_ref.4: ref {.f: ForwardDeclared} = import_ref ir1, inst+36, used
    161. 

  161. // CHECK:STDOUT:   %import_ref.5 = import_ref ir1, inst+3, unused
    162. 

  162. // CHECK:STDOUT:   %UseEmpty: <function> = fn_decl @UseEmpty [template] {
    163. 

  163. // CHECK:STDOUT:     %Empty.decl: invalid = interface_decl @Empty [template = constants.%.1] {}
    164. 

  164. // CHECK:STDOUT:     %Empty.ref: type = name_ref Empty, %import_ref.1 [template = constants.%.1]
    165. 

  165. // CHECK:STDOUT:     %e.loc6_13.1: Empty = param e
    166. 

  166. // CHECK:STDOUT:     @UseEmpty.%e: Empty = bind_name e, %e.loc6_13.1
    167. 

  167. // CHECK:STDOUT:   }
    168. 

  168. // CHECK:STDOUT:   %import_ref.6 = import_ref ir1, inst+6, unused
    169. 

  169. // CHECK:STDOUT:   %import_ref.7: <associated <function> in Basic> = import_ref ir1, inst+13, used [template = constants.%.8]
    170. 

  170. // CHECK:STDOUT:   %import_ref.8: <associated type in Basic> = import_ref ir1, inst+9, used [template = constants.%.6]
    171. 

  171. // CHECK:STDOUT:   %import_ref.9 = import_ref ir1, inst+7, unused
    172. 

  172. // CHECK:STDOUT:   %import_ref.10 = import_ref ir1, inst+11, unused
    173. 

  173. // CHECK:STDOUT:   %UseBasic: <function> = fn_decl @UseBasic [template] {
    174. 

  174. // CHECK:STDOUT:     %Basic.decl: invalid = interface_decl @Basic [template = constants.%.3] {}
    175. 

  175. // CHECK:STDOUT:     %Basic.ref.loc7: type = name_ref Basic, %import_ref.2 [template = constants.%.3]
    176. 

  176. // CHECK:STDOUT:     %e.loc7_13.1: Basic = param e
    177. 

  177. // CHECK:STDOUT:     @UseBasic.%e: Basic = bind_name e, %e.loc7_13.1
    178. 

  178. // CHECK:STDOUT:   }
    179. 

  179. // CHECK:STDOUT:   %import_ref.11 = import_ref ir1, inst+18, unused
    180. 

  180. // CHECK:STDOUT:   %import_ref.12: <associated <function> in ForwardDeclared> = import_ref ir1, inst+25, used [template = constants.%.12]
    181. 

  181. // CHECK:STDOUT:   %import_ref.13: <associated type in ForwardDeclared> = import_ref ir1, inst+21, used [template = constants.%.10]
    182. 

  182. // CHECK:STDOUT:   %import_ref.14 = import_ref ir1, inst+19, unused
    183. 

  183. // CHECK:STDOUT:   %import_ref.15 = import_ref ir1, inst+23, unused
    184. 

  184. // CHECK:STDOUT:   %UseForwardDeclared: <function> = fn_decl @UseForwardDeclared [template] {
    185. 

  185. // CHECK:STDOUT:     %ForwardDeclared.decl: invalid = interface_decl @ForwardDeclared [template = constants.%.4] {}
    186. 

  186. // CHECK:STDOUT:     %ForwardDeclared.ref.loc8: type = name_ref ForwardDeclared, %import_ref.3 [template = constants.%.4]
    187. 

  187. // CHECK:STDOUT:     %f.loc8_23.1: ForwardDeclared = param f
    188. 

  188. // CHECK:STDOUT:     @UseForwardDeclared.%f: ForwardDeclared = bind_name f, %f.loc8_23.1
    189. 

  189. // CHECK:STDOUT:   }
    190. 

  190. // CHECK:STDOUT:   %Basic.ref.loc10: type = name_ref Basic, %import_ref.2 [template = constants.%.3]
    191. 

  191. // CHECK:STDOUT:   %import_ref.16 = import_ref ir1, inst+7, unused
    192. 

  192. // CHECK:STDOUT:   %T.ref.loc10: <associated type in Basic> = name_ref T, %import_ref.8 [template = constants.%.6]
    193. 

  193. // CHECK:STDOUT:   %UseBasicT: <associated type in Basic> = bind_alias UseBasicT, %import_ref.8 [template = constants.%.6]
    194. 

  194. // CHECK:STDOUT:   %Basic.ref.loc11: type = name_ref Basic, %import_ref.2 [template = constants.%.3]
    195. 

  195. // CHECK:STDOUT:   %import_ref.17 = import_ref ir1, inst+11, unused
    196. 

  196. // CHECK:STDOUT:   %F.ref.loc11: <associated <function> in Basic> = name_ref F, %import_ref.7 [template = constants.%.8]
    197. 

  197. // CHECK:STDOUT:   %UseBasicF: <associated <function> in Basic> = bind_alias UseBasicF, %import_ref.7 [template = constants.%.8]
    198. 

  198. // CHECK:STDOUT:   %ForwardDeclared.ref.loc13: type = name_ref ForwardDeclared, %import_ref.3 [template = constants.%.4]
    199. 

  199. // CHECK:STDOUT:   %import_ref.18 = import_ref ir1, inst+19, unused
    200. 

  200. // CHECK:STDOUT:   %T.ref.loc13: <associated type in ForwardDeclared> = name_ref T, %import_ref.13 [template = constants.%.10]
    201. 

  201. // CHECK:STDOUT:   %UseForwardDeclaredT: <associated type in ForwardDeclared> = bind_alias UseForwardDeclaredT, %import_ref.13 [template = constants.%.10]
    202. 

  202. // CHECK:STDOUT:   %ForwardDeclared.ref.loc14: type = name_ref ForwardDeclared, %import_ref.3 [template = constants.%.4]
    203. 

  203. // CHECK:STDOUT:   %import_ref.19 = import_ref ir1, inst+23, unused
    204. 

  204. // CHECK:STDOUT:   %F.ref.loc14: <associated <function> in ForwardDeclared> = name_ref F, %import_ref.12 [template = constants.%.12]
    205. 

  205. // CHECK:STDOUT:   %UseForwardDeclaredF: <associated <function> in ForwardDeclared> = bind_alias UseForwardDeclaredF, %import_ref.12 [template = constants.%.12]
    206. 

  206. // CHECK:STDOUT:   %ForwardDeclared.ref.loc16: type = name_ref ForwardDeclared, %import_ref.3 [template = constants.%.4]
    207. 

  207. // CHECK:STDOUT:   %.loc16: type = ptr_type ForwardDeclared [template = constants.%.13]
    208. 

  208. // CHECK:STDOUT:   %f.var: ref ForwardDeclared* = var f
    209. 

  209. // CHECK:STDOUT:   %f.loc16: ref ForwardDeclared* = bind_name f, %f.var
    210. 

  210. // CHECK:STDOUT: }
    211. 

  211. // CHECK:STDOUT:
    212. 

  212. // CHECK:STDOUT: interface @Empty {
    213. 

  213. // CHECK:STDOUT: !members:
    214. 

  214. // CHECK:STDOUT:   .Self = file.%import_ref.5
    215. 

  215. // CHECK:STDOUT:   witness = ()
    216. 

  216. // CHECK:STDOUT: }
    217. 

  217. // CHECK:STDOUT:
    218. 

  218. // CHECK:STDOUT: interface @Basic {
    219. 

  219. // CHECK:STDOUT: !members:
    220. 

  220. // CHECK:STDOUT:   .Self = file.%import_ref.6
    221. 

  221. // CHECK:STDOUT:   .F = file.%import_ref.7
    222. 

  222. // CHECK:STDOUT:   .T = file.%import_ref.8
    223. 

  223. // CHECK:STDOUT:   witness = (file.%import_ref.9, file.%import_ref.10)
    224. 

  224. // CHECK:STDOUT: }
    225. 

  225. // CHECK:STDOUT:
    226. 

  226. // CHECK:STDOUT: interface @ForwardDeclared {
    227. 

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

  228. // CHECK:STDOUT:   .Self = file.%import_ref.11
    229. 

  229. // CHECK:STDOUT:   .F = file.%import_ref.12
    230. 

  230. // CHECK:STDOUT:   .T = file.%import_ref.13
    231. 

  231. // CHECK:STDOUT:   witness = (file.%import_ref.14, file.%import_ref.15)
    232. 

  232. // CHECK:STDOUT: }
    233. 

  233. // CHECK:STDOUT:
    234. 

  234. // CHECK:STDOUT: fn @UseEmpty(%e: Empty) {
    235. 

  235. // CHECK:STDOUT: !entry:
    236. 

  236. // CHECK:STDOUT:   return
    237. 

  237. // CHECK:STDOUT: }
    238. 

  238. // CHECK:STDOUT:
    239. 

  239. // CHECK:STDOUT: fn @UseBasic(%e: Basic) {
    240. 

  240. // CHECK:STDOUT: !entry:
    241. 

  241. // CHECK:STDOUT:   return
    242. 

  242. // CHECK:STDOUT: }
    243. 

  243. // CHECK:STDOUT:
    244. 

  244. // CHECK:STDOUT: fn @UseForwardDeclared(%f: ForwardDeclared) {
    245. 

  245. // CHECK:STDOUT: !entry:
    246. 

  246. // CHECK:STDOUT:   return
    247. 

  247. // CHECK:STDOUT: }
    248. 

  248. // CHECK:STDOUT:
    249. 

  249. // CHECK:STDOUT: fn @__global_init() {
    250. 

  250. // CHECK:STDOUT: !entry:
    251. 

  251. // CHECK:STDOUT:   %f_ref.ref: ref {.f: ForwardDeclared} = name_ref f_ref, file.%import_ref.4
    252. 

  252. // CHECK:STDOUT:   %.loc16_33: ref ForwardDeclared = struct_access %f_ref.ref, element0
    253. 

  253. // CHECK:STDOUT:   %.loc16_27: ForwardDeclared* = addr_of %.loc16_33
    254. 

  254. // CHECK:STDOUT:   assign file.%f.var, %.loc16_27
    255. 

  255. // CHECK:STDOUT:   return
    256. 

  256. // CHECK:STDOUT: }
    257. 

  257. // CHECK:STDOUT:
    258.