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carbon-lang
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carbon-lang
/
toolchain
/
check
/
testdata
/
class
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basic.carbon

basic.carbon 10 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. // 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/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/basic.carbon
    10. 

  10. 

  11. class Class {
    12. 

  12.   fn F(n: i32) -> i32 {
    13. 

  13.     return n;
    14. 

  14.   }
    15. 

  15. 

  16.   fn G(n: i32) -> i32;
    17. 

  17. 

  18.   var k: i32;
    19. 

  19. }
    20. 

  20. 

  21. fn Class.G(n: i32) -> i32 {
    22. 

  22.   return n;
    23. 

  23. }
    24. 

  24. 

  25. fn Run() -> i32 {
    26. 

  26.   return Class.F(4);
    27. 

  27. }
    28. 

  28. 

  29. // CHECK:STDOUT: --- basic.carbon
    30. 

  30. // CHECK:STDOUT:
    31. 

  31. // CHECK:STDOUT: constants {
    32. 

  32. // CHECK:STDOUT:   %Class: type = class_type @Class [template]
    33. 

  33. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    34. 

  34. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    35. 

  35. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    36. 

  36. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    37. 

  37. // CHECK:STDOUT:   %G.type: type = fn_type @G [template]
    38. 

  38. // CHECK:STDOUT:   %G: %G.type = struct_value () [template]
    39. 

  39. // CHECK:STDOUT:   %Class.elem: type = unbound_element_type %Class, %i32 [template]
    40. 

  40. // CHECK:STDOUT:   %struct_type.k: type = struct_type {.k: %i32} [template]
    41. 

  41. // CHECK:STDOUT:   %complete_type.954: <witness> = complete_type_witness %struct_type.k [template]
    42. 

  42. // CHECK:STDOUT:   %Run.type: type = fn_type @Run [template]
    43. 

  43. // CHECK:STDOUT:   %Run: %Run.type = struct_value () [template]
    44. 

  44. // CHECK:STDOUT:   %int_4.0c1: Core.IntLiteral = int_value 4 [template]
    45. 

  45. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [template]
    46. 

  46. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    47. 

  47. // CHECK:STDOUT:   %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [template]
    48. 

  48. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
    49. 

  49. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [template]
    50. 

  50. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [template]
    51. 

  51. // CHECK:STDOUT:   %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [template]
    52. 

  52. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_4.0c1, %Convert.956 [template]
    53. 

  53. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(%int_32) [template]
    54. 

  54. // CHECK:STDOUT:   %int_4.940: %i32 = int_value 4 [template]
    55. 

  55. // CHECK:STDOUT: }
    56. 

  56. // CHECK:STDOUT:
    57. 

  57. // CHECK:STDOUT: imports {
    58. 

  58. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    59. 

  59. // CHECK:STDOUT:     .Int = %Core.Int
    60. 

  60. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    61. 

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

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

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: file {
    67. 

  67. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    68. 

  68. // CHECK:STDOUT:     .Core = imports.%Core
    69. 

  69. // CHECK:STDOUT:     .Class = %Class.decl
    70. 

  70. // CHECK:STDOUT:     .Run = %Run.decl
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %Core.import = import Core
    73. 

  73. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
    74. 

  74. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
    75. 

  75. // CHECK:STDOUT:     %n.patt: %i32 = binding_pattern n
    76. 

  76. // CHECK:STDOUT:     %n.param_patt: %i32 = value_param_pattern %n.patt, runtime_param0
    77. 

  77. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    78. 

  78. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
    79. 

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

  80. // CHECK:STDOUT:     %int_32.loc21_23: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    81. 

  81. // CHECK:STDOUT:     %i32.loc21_23: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    82. 

  82. // CHECK:STDOUT:     %n.param.loc21: %i32 = value_param runtime_param0
    83. 

  83. // CHECK:STDOUT:     %.loc21: type = splice_block %i32.loc21_15 [template = constants.%i32] {
    84. 

  84. // CHECK:STDOUT:       %int_32.loc21_15: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    85. 

  85. // CHECK:STDOUT:       %i32.loc21_15: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    86. 

  86. // CHECK:STDOUT:     }
    87. 

  87. // CHECK:STDOUT:     %n.loc21: %i32 = bind_name n, %n.param.loc21
    88. 

  88. // CHECK:STDOUT:     %return.param.loc21: ref %i32 = out_param runtime_param1
    89. 

  89. // CHECK:STDOUT:     %return.loc21: ref %i32 = return_slot %return.param.loc21
    90. 

  90. // CHECK:STDOUT:   }
    91. 

  91. // CHECK:STDOUT:   %Run.decl: %Run.type = fn_decl @Run [template = constants.%Run] {
    92. 

  92. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    93. 

  93. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
    94. 

  94. // CHECK:STDOUT:   } {
    95. 

  95. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    96. 

  96. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    97. 

  97. // CHECK:STDOUT:     %return.param: ref %i32 = out_param runtime_param0
    98. 

  98. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    99. 

  99. // CHECK:STDOUT:   }
    100. 

  100. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    101. 

  101. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    102. 

  102. // CHECK:STDOUT: }
    103. 

  103. // CHECK:STDOUT:
    104. 

  104. // CHECK:STDOUT: class @Class {
    105. 

  105. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
    106. 

  106. // CHECK:STDOUT:     %n.patt: %i32 = binding_pattern n
    107. 

  107. // CHECK:STDOUT:     %n.param_patt: %i32 = value_param_pattern %n.patt, runtime_param0
    108. 

  108. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    109. 

  109. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
    110. 

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

  111. // CHECK:STDOUT:     %int_32.loc12_19: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    112. 

  112. // CHECK:STDOUT:     %i32.loc12_19: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    113. 

  113. // CHECK:STDOUT:     %n.param: %i32 = value_param runtime_param0
    114. 

  114. // CHECK:STDOUT:     %.loc12: type = splice_block %i32.loc12_11 [template = constants.%i32] {
    115. 

  115. // CHECK:STDOUT:       %int_32.loc12_11: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    116. 

  116. // CHECK:STDOUT:       %i32.loc12_11: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    117. 

  117. // CHECK:STDOUT:     }
    118. 

  118. // CHECK:STDOUT:     %n: %i32 = bind_name n, %n.param
    119. 

  119. // CHECK:STDOUT:     %return.param: ref %i32 = out_param runtime_param1
    120. 

  120. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    121. 

  121. // CHECK:STDOUT:   }
    122. 

  122. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
    123. 

  123. // CHECK:STDOUT:     %n.patt: %i32 = binding_pattern n
    124. 

  124. // CHECK:STDOUT:     %n.param_patt: %i32 = value_param_pattern %n.patt, runtime_param0
    125. 

  125. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    126. 

  126. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
    127. 

  127. // CHECK:STDOUT:   } {
    128. 

  128. // CHECK:STDOUT:     %int_32.loc16_19: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    129. 

  129. // CHECK:STDOUT:     %i32.loc16_19: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    130. 

  130. // CHECK:STDOUT:     %n.param.loc16: %i32 = value_param runtime_param0
    131. 

  131. // CHECK:STDOUT:     %.loc16: type = splice_block %i32.loc16_11 [template = constants.%i32] {
    132. 

  132. // CHECK:STDOUT:       %int_32.loc16_11: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    133. 

  133. // CHECK:STDOUT:       %i32.loc16_11: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    134. 

  134. // CHECK:STDOUT:     }
    135. 

  135. // CHECK:STDOUT:     %n.loc16: %i32 = bind_name n, %n.param.loc16
    136. 

  136. // CHECK:STDOUT:     %return.param.loc16: ref %i32 = out_param runtime_param1
    137. 

  137. // CHECK:STDOUT:     %return.loc16: ref %i32 = return_slot %return.param.loc16
    138. 

  138. // CHECK:STDOUT:   }
    139. 

  139. // CHECK:STDOUT:   %.loc18_8: %Class.elem = field_decl k, element0 [template]
    140. 

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

  141. // CHECK:STDOUT:     %.loc18_3: %Class.elem = var_pattern %.loc18_8
    142. 

  142. // CHECK:STDOUT:   }
    143. 

  143. // CHECK:STDOUT:   %.var: ref %Class.elem = var <none>
    144. 

  144. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.k [template = constants.%complete_type.954]
    145. 

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

  146. // CHECK:STDOUT:
    147. 

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

  148. // CHECK:STDOUT:   .Self = constants.%Class
    149. 

  149. // CHECK:STDOUT:   .F = %F.decl
    150. 

  150. // CHECK:STDOUT:   .G = %G.decl
    151. 

  151. // CHECK:STDOUT:   .k = %.loc18_8
    152. 

  152. // CHECK:STDOUT: }
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: fn @F(%n.param_patt: %i32) -> %i32 {
    155. 

  155. // CHECK:STDOUT: !entry:
    156. 

  156. // CHECK:STDOUT:   %n.ref: %i32 = name_ref n, %n
    157. 

  157. // CHECK:STDOUT:   return %n.ref
    158. 

  158. // CHECK:STDOUT: }
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: fn @G(%n.param_patt: %i32) -> %i32 {
    161. 

  161. // CHECK:STDOUT: !entry:
    162. 

  162. // CHECK:STDOUT:   %n.ref: %i32 = name_ref n, %n.loc21
    163. 

  163. // CHECK:STDOUT:   return %n.ref
    164. 

  164. // CHECK:STDOUT: }
    165. 

  165. // CHECK:STDOUT:
    166. 

  166. // CHECK:STDOUT: fn @Run() -> %i32 {
    167. 

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

  168. // CHECK:STDOUT:   %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    169. 

  169. // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, @Class.%F.decl [template = constants.%F]
    170. 

  170. // CHECK:STDOUT:   %int_4: Core.IntLiteral = int_value 4 [template = constants.%int_4.0c1]
    171. 

  171. // CHECK:STDOUT:   %impl.elem0: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    172. 

  172. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_4, %impl.elem0 [template = constants.%Convert.bound]
    173. 

  173. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %bound_method, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
    174. 

  174. // CHECK:STDOUT:   %int.convert_checked: init %i32 = call %specific_fn(%int_4) [template = constants.%int_4.940]
    175. 

  175. // CHECK:STDOUT:   %.loc26_18.1: %i32 = value_of_initializer %int.convert_checked [template = constants.%int_4.940]
    176. 

  176. // CHECK:STDOUT:   %.loc26_18.2: %i32 = converted %int_4, %.loc26_18.1 [template = constants.%int_4.940]
    177. 

  177. // CHECK:STDOUT:   %F.call: init %i32 = call %F.ref(%.loc26_18.2)
    178. 

  178. // CHECK:STDOUT:   %.loc26_20.1: %i32 = value_of_initializer %F.call
    179. 

  179. // CHECK:STDOUT:   %.loc26_20.2: %i32 = converted %F.call, %.loc26_20.1
    180. 

  180. // CHECK:STDOUT:   return %.loc26_20.2
    181. 

  181. // CHECK:STDOUT: }
    182. 

  182. // CHECK:STDOUT:
    183.