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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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base_method_shadow.carbon

base_method_shadow.carbon 13 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.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/base_method_shadow.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/base_method_shadow.carbon
    14. 

  14. 

  15. base class A {
    16. 

  16.   fn F[ref self: Self]();
    17. 

  17. }
    18. 

  18. 

  19. base class B {
    20. 

  20.   extend base: A;
    21. 

  21.   fn F[ref self: Self]();
    22. 

  22. }
    23. 

  23. 

  24. class C {
    25. 

  25.   extend base: B;
    26. 

  26.   fn F[ref self: Self]();
    27. 

  27. }
    28. 

  28. 

  29. class D {
    30. 

  30.   extend base: B;
    31. 

  31. }
    32. 

  32. 

  33. fn Call(a: A*, b: B*, c: C*, d: D*) {
    34. 

  34.   (*a).F();
    35. 

  35.   (*b).F();
    36. 

  36.   (*c).F();
    37. 

  37.   (*d).F();
    38. 

  38. }
    39. 

  39. 

  40. // CHECK:STDOUT: --- base_method_shadow.carbon
    41. 

  41. // CHECK:STDOUT:
    42. 

  42. // CHECK:STDOUT: constants {
    43. 

  43. // CHECK:STDOUT:   %A: type = class_type @A [concrete]
    44. 

  44. // CHECK:STDOUT:   %pattern_type.c10: type = pattern_type %A [concrete]
    45. 

  45. // CHECK:STDOUT:   %A.F.type: type = fn_type @A.F [concrete]
    46. 

  46. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    47. 

  47. // CHECK:STDOUT:   %A.F: %A.F.type = struct_value () [concrete]
    48. 

  48. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    49. 

  49. // CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
    50. 

  50. // CHECK:STDOUT:   %B: type = class_type @B [concrete]
    51. 

  51. // CHECK:STDOUT:   %B.elem: type = unbound_element_type %B, %A [concrete]
    52. 

  52. // CHECK:STDOUT:   %pattern_type.049: type = pattern_type %B [concrete]
    53. 

  53. // CHECK:STDOUT:   %B.F.type: type = fn_type @B.F [concrete]
    54. 

  54. // CHECK:STDOUT:   %B.F: %B.F.type = struct_value () [concrete]
    55. 

  55. // CHECK:STDOUT:   %struct_type.base.953: type = struct_type {.base: %A} [concrete]
    56. 

  56. // CHECK:STDOUT:   %complete_type.020: <witness> = complete_type_witness %struct_type.base.953 [concrete]
    57. 

  57. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    58. 

  58. // CHECK:STDOUT:   %C.elem: type = unbound_element_type %C, %B [concrete]
    59. 

  59. // CHECK:STDOUT:   %pattern_type.c48: type = pattern_type %C [concrete]
    60. 

  60. // CHECK:STDOUT:   %C.F.type: type = fn_type @C.F [concrete]
    61. 

  61. // CHECK:STDOUT:   %C.F: %C.F.type = struct_value () [concrete]
    62. 

  62. // CHECK:STDOUT:   %struct_type.base.0ff: type = struct_type {.base: %B} [concrete]
    63. 

  63. // CHECK:STDOUT:   %complete_type.98e: <witness> = complete_type_witness %struct_type.base.0ff [concrete]
    64. 

  64. // CHECK:STDOUT:   %D: type = class_type @D [concrete]
    65. 

  65. // CHECK:STDOUT:   %D.elem: type = unbound_element_type %D, %B [concrete]
    66. 

  66. // CHECK:STDOUT:   %ptr.6db: type = ptr_type %A [concrete]
    67. 

  67. // CHECK:STDOUT:   %pattern_type.5f8: type = pattern_type %ptr.6db [concrete]
    68. 

  68. // CHECK:STDOUT:   %ptr.e79: type = ptr_type %B [concrete]
    69. 

  69. // CHECK:STDOUT:   %pattern_type.960: type = pattern_type %ptr.e79 [concrete]
    70. 

  70. // CHECK:STDOUT:   %ptr.019: type = ptr_type %C [concrete]
    71. 

  71. // CHECK:STDOUT:   %pattern_type.44a: type = pattern_type %ptr.019 [concrete]
    72. 

  72. // CHECK:STDOUT:   %ptr.19c: type = ptr_type %D [concrete]
    73. 

  73. // CHECK:STDOUT:   %pattern_type.a94: type = pattern_type %ptr.19c [concrete]
    74. 

  74. // CHECK:STDOUT:   %Call.type: type = fn_type @Call [concrete]
    75. 

  75. // CHECK:STDOUT:   %Call: %Call.type = struct_value () [concrete]
    76. 

  76. // CHECK:STDOUT: }
    77. 

  77. // CHECK:STDOUT:
    78. 

  78. // CHECK:STDOUT: imports {
    79. 

  79. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    80. 

  80. // CHECK:STDOUT:     import Core//prelude
    81. 

  81. // CHECK:STDOUT:     import Core//prelude/...
    82. 

  82. // CHECK:STDOUT:   }
    83. 

  83. // CHECK:STDOUT: }
    84. 

  84. // CHECK:STDOUT:
    85. 

  85. // CHECK:STDOUT: file {
    86. 

  86. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    87. 

  87. // CHECK:STDOUT:     .Core = imports.%Core
    88. 

  88. // CHECK:STDOUT:     .A = %A.decl
    89. 

  89. // CHECK:STDOUT:     .B = %B.decl
    90. 

  90. // CHECK:STDOUT:     .C = %C.decl
    91. 

  91. // CHECK:STDOUT:     .D = %D.decl
    92. 

  92. // CHECK:STDOUT:     .Call = %Call.decl
    93. 

  93. // CHECK:STDOUT:   }
    94. 

  94. // CHECK:STDOUT:   %Core.import = import Core
    95. 

  95. // CHECK:STDOUT:   %A.decl: type = class_decl @A [concrete = constants.%A] {} {}
    96. 

  96. // CHECK:STDOUT:   %B.decl: type = class_decl @B [concrete = constants.%B] {} {}
    97. 

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

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

  99. // CHECK:STDOUT:   %Call.decl: %Call.type = fn_decl @Call [concrete = constants.%Call] {
    100. 

  100. // CHECK:STDOUT:     %a.patt: %pattern_type.5f8 = value_binding_pattern a [concrete]
    101. 

  101. // CHECK:STDOUT:     %a.param_patt: %pattern_type.5f8 = value_param_pattern %a.patt, call_param0 [concrete]
    102. 

  102. // CHECK:STDOUT:     %b.patt: %pattern_type.960 = value_binding_pattern b [concrete]
    103. 

  103. // CHECK:STDOUT:     %b.param_patt: %pattern_type.960 = value_param_pattern %b.patt, call_param1 [concrete]
    104. 

  104. // CHECK:STDOUT:     %c.patt: %pattern_type.44a = value_binding_pattern c [concrete]
    105. 

  105. // CHECK:STDOUT:     %c.param_patt: %pattern_type.44a = value_param_pattern %c.patt, call_param2 [concrete]
    106. 

  106. // CHECK:STDOUT:     %d.patt: %pattern_type.a94 = value_binding_pattern d [concrete]
    107. 

  107. // CHECK:STDOUT:     %d.param_patt: %pattern_type.a94 = value_param_pattern %d.patt, call_param3 [concrete]
    108. 

  108. // CHECK:STDOUT:   } {
    109. 

  109. // CHECK:STDOUT:     %a.param: %ptr.6db = value_param call_param0
    110. 

  110. // CHECK:STDOUT:     %.loc33_13: type = splice_block %ptr.loc33_13 [concrete = constants.%ptr.6db] {
    111. 

  111. // CHECK:STDOUT:       %A.ref: type = name_ref A, file.%A.decl [concrete = constants.%A]
    112. 

  112. // CHECK:STDOUT:       %ptr.loc33_13: type = ptr_type %A.ref [concrete = constants.%ptr.6db]
    113. 

  113. // CHECK:STDOUT:     }
    114. 

  114. // CHECK:STDOUT:     %a: %ptr.6db = value_binding a, %a.param
    115. 

  115. // CHECK:STDOUT:     %b.param: %ptr.e79 = value_param call_param1
    116. 

  116. // CHECK:STDOUT:     %.loc33_20: type = splice_block %ptr.loc33_20 [concrete = constants.%ptr.e79] {
    117. 

  117. // CHECK:STDOUT:       %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B]
    118. 

  118. // CHECK:STDOUT:       %ptr.loc33_20: type = ptr_type %B.ref [concrete = constants.%ptr.e79]
    119. 

  119. // CHECK:STDOUT:     }
    120. 

  120. // CHECK:STDOUT:     %b: %ptr.e79 = value_binding b, %b.param
    121. 

  121. // CHECK:STDOUT:     %c.param: %ptr.019 = value_param call_param2
    122. 

  122. // CHECK:STDOUT:     %.loc33_27: type = splice_block %ptr.loc33_27 [concrete = constants.%ptr.019] {
    123. 

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

  124. // CHECK:STDOUT:       %ptr.loc33_27: type = ptr_type %C.ref [concrete = constants.%ptr.019]
    125. 

  125. // CHECK:STDOUT:     }
    126. 

  126. // CHECK:STDOUT:     %c: %ptr.019 = value_binding c, %c.param
    127. 

  127. // CHECK:STDOUT:     %d.param: %ptr.19c = value_param call_param3
    128. 

  128. // CHECK:STDOUT:     %.loc33_34: type = splice_block %ptr.loc33_34 [concrete = constants.%ptr.19c] {
    129. 

  129. // CHECK:STDOUT:       %D.ref: type = name_ref D, file.%D.decl [concrete = constants.%D]
    130. 

  130. // CHECK:STDOUT:       %ptr.loc33_34: type = ptr_type %D.ref [concrete = constants.%ptr.19c]
    131. 

  131. // CHECK:STDOUT:     }
    132. 

  132. // CHECK:STDOUT:     %d: %ptr.19c = value_binding d, %d.param
    133. 

  133. // CHECK:STDOUT:   }
    134. 

  134. // CHECK:STDOUT: }
    135. 

  135. // CHECK:STDOUT:
    136. 

  136. // CHECK:STDOUT: class @A {
    137. 

  137. // CHECK:STDOUT:   %A.F.decl: %A.F.type = fn_decl @A.F [concrete = constants.%A.F] {
    138. 

  138. // CHECK:STDOUT:     %self.patt: %pattern_type.c10 = ref_binding_pattern self [concrete]
    139. 

  139. // CHECK:STDOUT:     %self.param_patt: %pattern_type.c10 = ref_param_pattern %self.patt, call_param0 [concrete]
    140. 

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

  141. // CHECK:STDOUT:     %self.param: ref %A = ref_param call_param0
    142. 

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

  143. // CHECK:STDOUT:     %self: ref %A = ref_binding self, %self.param
    144. 

  144. // CHECK:STDOUT:   }
    145. 

  145. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type.357]
    146. 

  146. // CHECK:STDOUT:   complete_type_witness = %complete_type
    147. 

  147. // CHECK:STDOUT:
    148. 

  148. // CHECK:STDOUT: !members:
    149. 

  149. // CHECK:STDOUT:   .Self = constants.%A
    150. 

  150. // CHECK:STDOUT:   .F = %A.F.decl
    151. 

  151. // CHECK:STDOUT: }
    152. 

  152. // CHECK:STDOUT:
    153. 

  153. // CHECK:STDOUT: class @B {
    154. 

  154. // CHECK:STDOUT:   %A.ref: type = name_ref A, file.%A.decl [concrete = constants.%A]
    155. 

  155. // CHECK:STDOUT:   %.loc20: %B.elem = base_decl %A.ref, element0 [concrete]
    156. 

  156. // CHECK:STDOUT:   %B.F.decl: %B.F.type = fn_decl @B.F [concrete = constants.%B.F] {
    157. 

  157. // CHECK:STDOUT:     %self.patt: %pattern_type.049 = ref_binding_pattern self [concrete]
    158. 

  158. // CHECK:STDOUT:     %self.param_patt: %pattern_type.049 = ref_param_pattern %self.patt, call_param0 [concrete]
    159. 

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

  160. // CHECK:STDOUT:     %self.param: ref %B = ref_param call_param0
    161. 

  161. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%B [concrete = constants.%B]
    162. 

  162. // CHECK:STDOUT:     %self: ref %B = ref_binding self, %self.param
    163. 

  163. // CHECK:STDOUT:   }
    164. 

  164. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.base.953 [concrete = constants.%complete_type.020]
    165. 

  165. // CHECK:STDOUT:   complete_type_witness = %complete_type
    166. 

  166. // CHECK:STDOUT:
    167. 

  167. // CHECK:STDOUT: !members:
    168. 

  168. // CHECK:STDOUT:   .Self = constants.%B
    169. 

  169. // CHECK:STDOUT:   .A = <poisoned>
    170. 

  170. // CHECK:STDOUT:   .base = %.loc20
    171. 

  171. // CHECK:STDOUT:   .F = %B.F.decl
    172. 

  172. // CHECK:STDOUT:   extend %A.ref
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

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

  176. // CHECK:STDOUT:   %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B]
    177. 

  177. // CHECK:STDOUT:   %.loc25: %C.elem = base_decl %B.ref, element0 [concrete]
    178. 

  178. // CHECK:STDOUT:   %C.F.decl: %C.F.type = fn_decl @C.F [concrete = constants.%C.F] {
    179. 

  179. // CHECK:STDOUT:     %self.patt: %pattern_type.c48 = ref_binding_pattern self [concrete]
    180. 

  180. // CHECK:STDOUT:     %self.param_patt: %pattern_type.c48 = ref_param_pattern %self.patt, call_param0 [concrete]
    181. 

  181. // CHECK:STDOUT:   } {
    182. 

  182. // CHECK:STDOUT:     %self.param: ref %C = ref_param call_param0
    183. 

  183. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
    184. 

  184. // CHECK:STDOUT:     %self: ref %C = ref_binding self, %self.param
    185. 

  185. // CHECK:STDOUT:   }
    186. 

  186. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.base.0ff [concrete = constants.%complete_type.98e]
    187. 

  187. // CHECK:STDOUT:   complete_type_witness = %complete_type
    188. 

  188. // CHECK:STDOUT:
    189. 

  189. // CHECK:STDOUT: !members:
    190. 

  190. // CHECK:STDOUT:   .Self = constants.%C
    191. 

  191. // CHECK:STDOUT:   .B = <poisoned>
    192. 

  192. // CHECK:STDOUT:   .base = %.loc25
    193. 

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

  194. // CHECK:STDOUT:   extend %B.ref
    195. 

  195. // CHECK:STDOUT: }
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: class @D {
    198. 

  198. // CHECK:STDOUT:   %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B]
    199. 

  199. // CHECK:STDOUT:   %.loc30: %D.elem = base_decl %B.ref, element0 [concrete]
    200. 

  200. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.base.0ff [concrete = constants.%complete_type.98e]
    201. 

  201. // CHECK:STDOUT:   complete_type_witness = %complete_type
    202. 

  202. // CHECK:STDOUT:
    203. 

  203. // CHECK:STDOUT: !members:
    204. 

  204. // CHECK:STDOUT:   .Self = constants.%D
    205. 

  205. // CHECK:STDOUT:   .B = <poisoned>
    206. 

  206. // CHECK:STDOUT:   .base = %.loc30
    207. 

  207. // CHECK:STDOUT:   .F = <poisoned>
    208. 

  208. // CHECK:STDOUT:   extend %B.ref
    209. 

  209. // CHECK:STDOUT: }
    210. 

  210. // CHECK:STDOUT:
    211. 

  211. // CHECK:STDOUT: fn @A.F(%self.param: %A);
    212. 

  212. // CHECK:STDOUT:
    213. 

  213. // CHECK:STDOUT: fn @B.F(%self.param: %B);
    214. 

  214. // CHECK:STDOUT:
    215. 

  215. // CHECK:STDOUT: fn @C.F(%self.param: %C);
    216. 

  216. // CHECK:STDOUT:
    217. 

  217. // CHECK:STDOUT: fn @Call(%a.param: %ptr.6db, %b.param: %ptr.e79, %c.param: %ptr.019, %d.param: %ptr.19c) {
    218. 

  218. // CHECK:STDOUT: !entry:
    219. 

  219. // CHECK:STDOUT:   %a.ref: %ptr.6db = name_ref a, %a
    220. 

  220. // CHECK:STDOUT:   %.loc34: ref %A = deref %a.ref
    221. 

  221. // CHECK:STDOUT:   %F.ref.loc34: %A.F.type = name_ref F, @A.%A.F.decl [concrete = constants.%A.F]
    222. 

  222. // CHECK:STDOUT:   %A.F.bound: <bound method> = bound_method %.loc34, %F.ref.loc34
    223. 

  223. // CHECK:STDOUT:   %A.F.call: init %empty_tuple.type = call %A.F.bound(%.loc34)
    224. 

  224. // CHECK:STDOUT:   %b.ref: %ptr.e79 = name_ref b, %b
    225. 

  225. // CHECK:STDOUT:   %.loc35: ref %B = deref %b.ref
    226. 

  226. // CHECK:STDOUT:   %F.ref.loc35: %B.F.type = name_ref F, @B.%B.F.decl [concrete = constants.%B.F]
    227. 

  227. // CHECK:STDOUT:   %B.F.bound.loc35: <bound method> = bound_method %.loc35, %F.ref.loc35
    228. 

  228. // CHECK:STDOUT:   %B.F.call.loc35: init %empty_tuple.type = call %B.F.bound.loc35(%.loc35)
    229. 

  229. // CHECK:STDOUT:   %c.ref: %ptr.019 = name_ref c, %c
    230. 

  230. // CHECK:STDOUT:   %.loc36: ref %C = deref %c.ref
    231. 

  231. // CHECK:STDOUT:   %F.ref.loc36: %C.F.type = name_ref F, @C.%C.F.decl [concrete = constants.%C.F]
    232. 

  232. // CHECK:STDOUT:   %C.F.bound: <bound method> = bound_method %.loc36, %F.ref.loc36
    233. 

  233. // CHECK:STDOUT:   %C.F.call: init %empty_tuple.type = call %C.F.bound(%.loc36)
    234. 

  234. // CHECK:STDOUT:   %d.ref: %ptr.19c = name_ref d, %d
    235. 

  235. // CHECK:STDOUT:   %.loc37_4.1: ref %D = deref %d.ref
    236. 

  236. // CHECK:STDOUT:   %F.ref.loc37: %B.F.type = name_ref F, @B.%B.F.decl [concrete = constants.%B.F]
    237. 

  237. // CHECK:STDOUT:   %B.F.bound.loc37: <bound method> = bound_method %.loc37_4.1, %F.ref.loc37
    238. 

  238. // CHECK:STDOUT:   %.loc37_4.2: ref %B = class_element_access %.loc37_4.1, element0
    239. 

  239. // CHECK:STDOUT:   %.loc37_4.3: ref %B = converted %.loc37_4.1, %.loc37_4.2
    240. 

  240. // CHECK:STDOUT:   %B.F.call.loc37: init %empty_tuple.type = call %B.F.bound.loc37(%.loc37_4.3)
    241. 

  241. // CHECK:STDOUT:   return
    242. 

  242. // CHECK:STDOUT: }
    243. 

  243. // CHECK:STDOUT:
    244.