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carbon-lang
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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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generic
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basic.carbon

basic.carbon 9.8 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/class/generic/basic.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/basic.carbon
    10. 

  10. 

  11. class Class(T:! type) {
    12. 

  12.   fn GetAddr[addr self: Self*]() -> T* {
    13. 

  13.     return &self->k;
    14. 

  14.   }
    15. 

  15. 

  16.   // TODO: Should this work? T is not necessarily copyable.
    17. 

  17.   fn GetValue[self: Self]() -> T {
    18. 

  18.     return self.k;
    19. 

  19.   }
    20. 

  20. 

  21.   var k: T;
    22. 

  22. }
    23. 

  23. 

  24. class Declaration(T:! type);
    25. 

  25. 

  26. // CHECK:STDOUT: --- basic.carbon
    27. 

  27. // CHECK:STDOUT:
    28. 

  28. // CHECK:STDOUT: constants {
    29. 

  29. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    30. 

  30. // CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
    31. 

  31. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    32. 

  32. // CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
    33. 

  33. // CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
    34. 

  34. // CHECK:STDOUT:   %.2: type = ptr_type %Class.2 [symbolic]
    35. 

  35. // CHECK:STDOUT:   %.3: type = ptr_type %T [symbolic]
    36. 

  36. // CHECK:STDOUT:   %GetAddr.type: type = fn_type @GetAddr [template]
    37. 

  37. // CHECK:STDOUT:   %GetAddr: %GetAddr.type = struct_value () [template]
    38. 

  38. // CHECK:STDOUT:   %GetValue.type: type = fn_type @GetValue [template]
    39. 

  39. // CHECK:STDOUT:   %GetValue: %GetValue.type = struct_value () [template]
    40. 

  40. // CHECK:STDOUT:   %.4: type = unbound_element_type %Class.2, %T [symbolic]
    41. 

  41. // CHECK:STDOUT:   %.5: type = struct_type {.k: %T} [symbolic]
    42. 

  42. // CHECK:STDOUT:   %.6: type = ptr_type %.5 [symbolic]
    43. 

  43. // CHECK:STDOUT:   %Declaration.type: type = generic_class_type @Declaration [template]
    44. 

  44. // CHECK:STDOUT:   %Declaration.1: %Declaration.type = struct_value () [template]
    45. 

  45. // CHECK:STDOUT:   %Declaration.2: type = class_type @Declaration, @Declaration(%T) [symbolic]
    46. 

  46. // CHECK:STDOUT: }
    47. 

  47. // CHECK:STDOUT:
    48. 

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

  49. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    50. 

  50. // CHECK:STDOUT:     .Core = %Core
    51. 

  51. // CHECK:STDOUT:     .Class = %Class.decl
    52. 

  52. // CHECK:STDOUT:     .Declaration = %Declaration.decl
    53. 

  53. // CHECK:STDOUT:   }
    54. 

  54. // CHECK:STDOUT:   %Core.import = import Core
    55. 

  55. // CHECK:STDOUT:   %Core: <namespace> = namespace %Core.import, [template] {
    56. 

  56. // CHECK:STDOUT:     import Core//prelude
    57. 

  57. // CHECK:STDOUT:     import Core//prelude/operators
    58. 

  58. // CHECK:STDOUT:     import Core//prelude/types
    59. 

  59. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    60. 

  60. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    61. 

  61. // CHECK:STDOUT:     import Core//prelude/operators/comparison
    62. 

  62. // CHECK:STDOUT:     import Core//prelude/types/bool
    63. 

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
    65. 

  65. // CHECK:STDOUT:     %T.loc11_13.1: type = param T
    66. 

  66. // CHECK:STDOUT:     %T.loc11_13.2: type = bind_symbolic_name T 0, %T.loc11_13.1 [symbolic = @Class.%T (constants.%T)]
    67. 

  67. // CHECK:STDOUT:   }
    68. 

  68. // CHECK:STDOUT:   %Declaration.decl: %Declaration.type = class_decl @Declaration [template = constants.%Declaration.1] {
    69. 

  69. // CHECK:STDOUT:     %T.loc24_19.1: type = param T
    70. 

  70. // CHECK:STDOUT:     %T.loc24_19.2: type = bind_symbolic_name T 0, %T.loc24_19.1 [symbolic = @Declaration.%T (constants.%T)]
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT: }
    73. 

  73. // CHECK:STDOUT:
    74. 

  74. // CHECK:STDOUT: generic class @Class(file.%T.loc11_13.2: type) {
    75. 

  75. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
    76. 

  76. // CHECK:STDOUT:
    77. 

  77. // CHECK:STDOUT: !definition:
    78. 

  78. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
    79. 

  79. // CHECK:STDOUT:   %.1: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T (%T) [symbolic = %.1 (constants.%.4)]
    80. 

  80. // CHECK:STDOUT:
    81. 

  81. // CHECK:STDOUT:   class {
    82. 

  82. // CHECK:STDOUT:     %GetAddr.decl: %GetAddr.type = fn_decl @GetAddr [template = constants.%GetAddr] {
    83. 

  83. // CHECK:STDOUT:       %.loc12_25: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = @GetAddr.%Class (constants.%Class.2)]
    84. 

  84. // CHECK:STDOUT:       %Self.ref.loc12: type = name_ref Self, %.loc12_25 [symbolic = @GetAddr.%Class (constants.%Class.2)]
    85. 

  85. // CHECK:STDOUT:       %.loc12_29: type = ptr_type %Class.2 [symbolic = @GetAddr.%.1 (constants.%.2)]
    86. 

  86. // CHECK:STDOUT:       %self.loc12_19.1: @GetAddr.%.1 (%.2) = param self
    87. 

  87. // CHECK:STDOUT:       %self.loc12_19.3: @GetAddr.%.1 (%.2) = bind_name self, %self.loc12_19.1
    88. 

  88. // CHECK:STDOUT:       %.loc12_14: @GetAddr.%.1 (%.2) = addr_pattern %self.loc12_19.3
    89. 

  89. // CHECK:STDOUT:       %T.ref.loc12: type = name_ref T, file.%T.loc11_13.2 [symbolic = @GetAddr.%T (constants.%T)]
    90. 

  90. // CHECK:STDOUT:       %.loc12_38: type = ptr_type %T [symbolic = @GetAddr.%.2 (constants.%.3)]
    91. 

  91. // CHECK:STDOUT:       %return.var.loc12: ref %.3 = var <return slot>
    92. 

  92. // CHECK:STDOUT:     }
    93. 

  93. // CHECK:STDOUT:     %GetValue.decl: %GetValue.type = fn_decl @GetValue [template = constants.%GetValue] {
    94. 

  94. // CHECK:STDOUT:       %.loc17: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = @GetValue.%Class (constants.%Class.2)]
    95. 

  95. // CHECK:STDOUT:       %Self.ref.loc17: type = name_ref Self, %.loc17 [symbolic = @GetValue.%Class (constants.%Class.2)]
    96. 

  96. // CHECK:STDOUT:       %self.loc17_15.1: @GetValue.%Class (%Class.2) = param self
    97. 

  97. // CHECK:STDOUT:       %self.loc17_15.2: @GetValue.%Class (%Class.2) = bind_name self, %self.loc17_15.1
    98. 

  98. // CHECK:STDOUT:       %T.ref.loc17: type = name_ref T, file.%T.loc11_13.2 [symbolic = @GetValue.%T (constants.%T)]
    99. 

  99. // CHECK:STDOUT:       %return.var.loc17: ref %T = var <return slot>
    100. 

  100. // CHECK:STDOUT:     }
    101. 

  101. // CHECK:STDOUT:     %T.ref.loc21: type = name_ref T, file.%T.loc11_13.2 [symbolic = %T (constants.%T)]
    102. 

  102. // CHECK:STDOUT:     %.loc21: @Class.%.1 (%.4) = field_decl k, element0 [template]
    103. 

  103. // CHECK:STDOUT:
    104. 

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

  105. // CHECK:STDOUT:     .Self = constants.%Class.2
    106. 

  106. // CHECK:STDOUT:     .GetAddr = %GetAddr.decl
    107. 

  107. // CHECK:STDOUT:     .GetValue = %GetValue.decl
    108. 

  108. // CHECK:STDOUT:     .k = %.loc21
    109. 

  109. // CHECK:STDOUT:   }
    110. 

  110. // CHECK:STDOUT: }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: generic class @Declaration(file.%T.loc24_19.2: type) {
    113. 

  113. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT:   class;
    116. 

  116. // CHECK:STDOUT: }
    117. 

  117. // CHECK:STDOUT:
    118. 

  118. // CHECK:STDOUT: generic fn @GetAddr(file.%T.loc11_13.2: type) {
    119. 

  119. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
    120. 

  120. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
    121. 

  121. // CHECK:STDOUT:   %.1: type = ptr_type @GetAddr.%Class (%Class.2) [symbolic = %.1 (constants.%.2)]
    122. 

  122. // CHECK:STDOUT:   %.2: type = ptr_type @GetAddr.%T (%T) [symbolic = %.2 (constants.%.3)]
    123. 

  123. // CHECK:STDOUT:
    124. 

  124. // CHECK:STDOUT: !definition:
    125. 

  125. // CHECK:STDOUT:   %.3: type = unbound_element_type @GetAddr.%Class (%Class.2), @GetAddr.%T (%T) [symbolic = %.3 (constants.%.4)]
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT:   fn[addr @Class.%self.loc12_19.3: @GetAddr.%.1 (%.2)]() -> %.3 {
    128. 

  128. // CHECK:STDOUT:   !entry:
    129. 

  129. // CHECK:STDOUT:     %self.ref: @GetAddr.%.1 (%.2) = name_ref self, @Class.%self.loc12_19.3
    130. 

  130. // CHECK:STDOUT:     %.loc13_17.1: ref @GetAddr.%Class (%Class.2) = deref %self.ref
    131. 

  131. // CHECK:STDOUT:     %k.ref: @GetAddr.%.3 (%.4) = name_ref k, @Class.%.loc21 [template = @Class.%.loc21]
    132. 

  132. // CHECK:STDOUT:     %.loc13_17.2: ref @GetAddr.%T (%T) = class_element_access %.loc13_17.1, element0
    133. 

  133. // CHECK:STDOUT:     %.loc13_12: @GetAddr.%.2 (%.3) = addr_of %.loc13_17.2
    134. 

  134. // CHECK:STDOUT:     return %.loc13_12
    135. 

  135. // CHECK:STDOUT:   }
    136. 

  136. // CHECK:STDOUT: }
    137. 

  137. // CHECK:STDOUT:
    138. 

  138. // CHECK:STDOUT: generic fn @GetValue(file.%T.loc11_13.2: type) {
    139. 

  139. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
    140. 

  140. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: !definition:
    143. 

  143. // CHECK:STDOUT:   %.1: type = unbound_element_type @GetValue.%Class (%Class.2), @GetValue.%T (%T) [symbolic = %.1 (constants.%.4)]
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT:   fn[@Class.%self.loc17_15.2: @GetValue.%Class (%Class.2)]() -> %T {
    146. 

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

  147. // CHECK:STDOUT:     %self.ref: @GetValue.%Class (%Class.2) = name_ref self, @Class.%self.loc17_15.2
    148. 

  148. // CHECK:STDOUT:     %k.ref: @GetValue.%.1 (%.4) = name_ref k, @Class.%.loc21 [template = @Class.%.loc21]
    149. 

  149. // CHECK:STDOUT:     %.loc18_16.1: ref @GetValue.%T (%T) = class_element_access %self.ref, element0
    150. 

  150. // CHECK:STDOUT:     %.loc18_16.2: @GetValue.%T (%T) = bind_value %.loc18_16.1
    151. 

  151. // CHECK:STDOUT:     return %.loc18_16.2
    152. 

  152. // CHECK:STDOUT:   }
    153. 

  153. // CHECK:STDOUT: }
    154. 

  154. // CHECK:STDOUT:
    155. 

  155. // CHECK:STDOUT: specific @Class(constants.%T) {
    156. 

  156. // CHECK:STDOUT:   %T => constants.%T
    157. 

  157. // CHECK:STDOUT:
    158. 

  158. // CHECK:STDOUT: !definition:
    159. 

  159. // CHECK:STDOUT:   %Class => constants.%Class.2
    160. 

  160. // CHECK:STDOUT:   %.1 => constants.%.4
    161. 

  161. // CHECK:STDOUT: }
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: specific @Class(@GetAddr.%T) {
    164. 

  164. // CHECK:STDOUT:   %T => constants.%T
    165. 

  165. // CHECK:STDOUT: }
    166. 

  166. // CHECK:STDOUT:
    167. 

  167. // CHECK:STDOUT: specific @GetAddr(constants.%T) {
    168. 

  168. // CHECK:STDOUT:   %T => constants.%T
    169. 

  169. // CHECK:STDOUT:   %Class => constants.%Class.2
    170. 

  170. // CHECK:STDOUT:   %.1 => constants.%.2
    171. 

  171. // CHECK:STDOUT:   %.2 => constants.%.3
    172. 

  172. // CHECK:STDOUT: }
    173. 

  173. // CHECK:STDOUT:
    174. 

  174. // CHECK:STDOUT: specific @Class(@GetValue.%T) {
    175. 

  175. // CHECK:STDOUT:   %T => constants.%T
    176. 

  176. // CHECK:STDOUT: }
    177. 

  177. // CHECK:STDOUT:
    178. 

  178. // CHECK:STDOUT: specific @GetValue(constants.%T) {
    179. 

  179. // CHECK:STDOUT:   %T => constants.%T
    180. 

  180. // CHECK:STDOUT:   %Class => constants.%Class.2
    181. 

  181. // CHECK:STDOUT: }
    182. 

  182. // CHECK:STDOUT:
    183. 

  183. // CHECK:STDOUT: specific @Class(@Class.%T) {
    184. 

  184. // CHECK:STDOUT:   %T => constants.%T
    185. 

  185. // CHECK:STDOUT: }
    186. 

  186. // CHECK:STDOUT:
    187. 

  187. // CHECK:STDOUT: specific @Declaration(constants.%T) {
    188. 

  188. // CHECK:STDOUT:   %T => constants.%T
    189. 

  189. // CHECK:STDOUT: }
    190. 

  190. // CHECK:STDOUT:
    191.