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toolchain
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fail_generic_method.carbon

fail_generic_method.carbon 10 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/fail_generic_method.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/fail_generic_method.carbon
    10. 

  10. 

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

  12.   var a: T;
    13. 

  13.   fn F[self: Self](n: T);
    14. 

  14. }
    15. 

  15. 

  16. // TODO: The follow-on errors here aren't great. Investigate whether we can
    17. 

  17. // enter the scope anyway if the parameters don't match.
    18. 

  18. // CHECK:STDERR: fail_generic_method.carbon:[[@LINE+15]]:10: error: type `i32` of parameter 1 in redeclaration differs from previous parameter type `type` [RedeclParamDiffersType]
    19. 

  19. // CHECK:STDERR: fn Class(N:! i32).F[self: Self](n: T) {}
    20. 

  20. // CHECK:STDERR:          ^
    21. 

  21. // CHECK:STDERR: fail_generic_method.carbon:[[@LINE-10]]:13: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
    22. 

  22. // CHECK:STDERR: class Class(T:! type) {
    23. 

  23. // CHECK:STDERR:             ^
    24. 

  24. // CHECK:STDERR:
    25. 

  25. // CHECK:STDERR: fail_generic_method.carbon:[[@LINE+8]]:27: error: name `Self` not found [NameNotFound]
    26. 

  26. // CHECK:STDERR: fn Class(N:! i32).F[self: Self](n: T) {}
    27. 

  27. // CHECK:STDERR:                           ^~~~
    28. 

  28. // CHECK:STDERR:
    29. 

  29. // CHECK:STDERR: fail_generic_method.carbon:[[@LINE+4]]:36: error: name `T` not found [NameNotFound]
    30. 

  30. // CHECK:STDERR: fn Class(N:! i32).F[self: Self](n: T) {}
    31. 

  31. // CHECK:STDERR:                                    ^
    32. 

  32. // CHECK:STDERR:
    33. 

  33. fn Class(N:! i32).F[self: Self](n: T) {}
    34. 

  34. 

  35. // CHECK:STDOUT: --- fail_generic_method.carbon
    36. 

  36. // CHECK:STDOUT:
    37. 

  37. // CHECK:STDOUT: constants {
    38. 

  38. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
    39. 

  39. // CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
    40. 

  40. // CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [concrete]
    41. 

  41. // CHECK:STDOUT:   %Class.generic: %Class.type = struct_value () [concrete]
    42. 

  42. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic]
    43. 

  43. // CHECK:STDOUT:   %require_complete.4ae: <witness> = require_complete_type %T [symbolic]
    44. 

  44. // CHECK:STDOUT:   %Class.elem: type = unbound_element_type %Class, %T [symbolic]
    45. 

  45. // CHECK:STDOUT:   %F.type: type = fn_type @F, @Class(%T) [symbolic]
    46. 

  46. // CHECK:STDOUT:   %F: %F.type = struct_value () [symbolic]
    47. 

  47. // CHECK:STDOUT:   %struct_type.a: type = struct_type {.a: %T} [symbolic]
    48. 

  48. // CHECK:STDOUT:   %complete_type.f1b: <witness> = complete_type_witness %struct_type.a [symbolic]
    49. 

  49. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    50. 

  50. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    51. 

  51. // CHECK:STDOUT:   %N.51e: %i32 = bind_symbolic_name N, 0 [symbolic]
    52. 

  52. // CHECK:STDOUT:   %N.patt.8e2: %i32 = symbolic_binding_pattern N, 0 [symbolic]
    53. 

  53. // CHECK:STDOUT:   %.type: type = fn_type @.1 [concrete]
    54. 

  54. // CHECK:STDOUT:   %.d85: %.type = struct_value () [concrete]
    55. 

  55. // CHECK:STDOUT: }
    56. 

  56. // CHECK:STDOUT:
    57. 

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

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

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

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

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

  62. // CHECK:STDOUT:   }
    63. 

  63. // CHECK:STDOUT: }
    64. 

  64. // CHECK:STDOUT:
    65. 

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

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

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

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

  69. // CHECK:STDOUT:     .T = <poisoned>
    70. 

  70. // CHECK:STDOUT:   }
    71. 

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

  72. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [concrete = constants.%Class.generic] {
    73. 

  73. // CHECK:STDOUT:     %T.patt.loc11_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
    74. 

  74. // CHECK:STDOUT:   } {
    75. 

  75. // CHECK:STDOUT:     %T.loc11_13.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_13.2 (constants.%T)]
    76. 

  76. // CHECK:STDOUT:   }
    77. 

  77. // CHECK:STDOUT:   %.decl: %.type = fn_decl @.1 [concrete = constants.%.d85] {
    78. 

  78. // CHECK:STDOUT:     %self.patt: <error> = binding_pattern self
    79. 

  79. // CHECK:STDOUT:     %self.param_patt: <error> = value_param_pattern %self.patt, call_param0 [concrete = <error>]
    80. 

  80. // CHECK:STDOUT:     %n.patt: <error> = binding_pattern n
    81. 

  81. // CHECK:STDOUT:     %n.param_patt: <error> = value_param_pattern %n.patt, call_param1 [concrete = <error>]
    82. 

  82. // CHECK:STDOUT:   } {
    83. 

  83. // CHECK:STDOUT:     %.loc33: type = splice_block %i32 [concrete = constants.%i32] {
    84. 

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

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

  86. // CHECK:STDOUT:     }
    87. 

  87. // CHECK:STDOUT:     %N.loc33_10.1: %i32 = bind_symbolic_name N, 0 [symbolic = %N.loc33_10.2 (constants.%N.51e)]
    88. 

  88. // CHECK:STDOUT:     %self.param: <error> = value_param call_param0
    89. 

  89. // CHECK:STDOUT:     %Self.ref: <error> = name_ref Self, <error> [concrete = <error>]
    90. 

  90. // CHECK:STDOUT:     %self: <error> = bind_name self, %self.param
    91. 

  91. // CHECK:STDOUT:     %n.param: <error> = value_param call_param1
    92. 

  92. // CHECK:STDOUT:     %T.ref: <error> = name_ref T, <error> [concrete = <error>]
    93. 

  93. // CHECK:STDOUT:     %n: <error> = bind_name n, %n.param
    94. 

  94. // CHECK:STDOUT:   }
    95. 

  95. // CHECK:STDOUT: }
    96. 

  96. // CHECK:STDOUT:
    97. 

  97. // CHECK:STDOUT: generic class @Class(%T.loc11_13.1: type) {
    98. 

  98. // CHECK:STDOUT:   %T.loc11_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_13.2 (constants.%T)]
    99. 

  99. // CHECK:STDOUT:   %T.patt.loc11_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
    100. 

  100. // CHECK:STDOUT:
    101. 

  101. // CHECK:STDOUT: !definition:
    102. 

  102. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type @Class.%T.loc11_13.2 (%T) [symbolic = %require_complete (constants.%require_complete.4ae)]
    103. 

  103. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T.loc11_13.2) [symbolic = %Class (constants.%Class)]
    104. 

  104. // CHECK:STDOUT:   %Class.elem: type = unbound_element_type @Class.%Class (%Class), @Class.%T.loc11_13.2 (%T) [symbolic = %Class.elem (constants.%Class.elem)]
    105. 

  105. // CHECK:STDOUT:   %F.type: type = fn_type @F, @Class(%T.loc11_13.2) [symbolic = %F.type (constants.%F.type)]
    106. 

  106. // CHECK:STDOUT:   %F: @Class.%F.type (%F.type) = struct_value () [symbolic = %F (constants.%F)]
    107. 

  107. // CHECK:STDOUT:   %struct_type.a: type = struct_type {.a: @Class.%T.loc11_13.2 (%T)} [symbolic = %struct_type.a (constants.%struct_type.a)]
    108. 

  108. // CHECK:STDOUT:   %complete_type.loc14_1.2: <witness> = complete_type_witness @Class.%struct_type.a (%struct_type.a) [symbolic = %complete_type.loc14_1.2 (constants.%complete_type.f1b)]
    109. 

  109. // CHECK:STDOUT:
    110. 

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

  111. // CHECK:STDOUT:     %.loc12_8: @Class.%Class.elem (%Class.elem) = field_decl a, element0 [concrete]
    112. 

  112. // CHECK:STDOUT:     name_binding_decl {
    113. 

  113. // CHECK:STDOUT:       %.loc12_3: @Class.%Class.elem (%Class.elem) = var_pattern %.loc12_8
    114. 

  114. // CHECK:STDOUT:     }
    115. 

  115. // CHECK:STDOUT:     %.var: ref @Class.%Class.elem (%Class.elem) = var <none>
    116. 

  116. // CHECK:STDOUT:     %F.decl: @Class.%F.type (%F.type) = fn_decl @F [symbolic = @Class.%F (constants.%F)] {
    117. 

  117. // CHECK:STDOUT:       %self.patt: @F.%Class (%Class) = binding_pattern self
    118. 

  118. // CHECK:STDOUT:       %self.param_patt: @F.%Class (%Class) = value_param_pattern %self.patt, call_param0
    119. 

  119. // CHECK:STDOUT:       %n.patt: @F.%T (%T) = binding_pattern n
    120. 

  120. // CHECK:STDOUT:       %n.param_patt: @F.%T (%T) = value_param_pattern %n.patt, call_param1
    121. 

  121. // CHECK:STDOUT:     } {
    122. 

  122. // CHECK:STDOUT:       %self.param: @F.%Class (%Class) = value_param call_param0
    123. 

  123. // CHECK:STDOUT:       %.loc13_14.1: type = splice_block %Self.ref [symbolic = %Class (constants.%Class)] {
    124. 

  124. // CHECK:STDOUT:         %.loc13_14.2: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class (constants.%Class)]
    125. 

  125. // CHECK:STDOUT:         %Self.ref: type = name_ref Self, %.loc13_14.2 [symbolic = %Class (constants.%Class)]
    126. 

  126. // CHECK:STDOUT:       }
    127. 

  127. // CHECK:STDOUT:       %self: @F.%Class (%Class) = bind_name self, %self.param
    128. 

  128. // CHECK:STDOUT:       %n.param: @F.%T (%T) = value_param call_param1
    129. 

  129. // CHECK:STDOUT:       %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
    130. 

  130. // CHECK:STDOUT:       %n: @F.%T (%T) = bind_name n, %n.param
    131. 

  131. // CHECK:STDOUT:     }
    132. 

  132. // CHECK:STDOUT:     %complete_type.loc14_1.1: <witness> = complete_type_witness %struct_type.a [symbolic = %complete_type.loc14_1.2 (constants.%complete_type.f1b)]
    133. 

  133. // CHECK:STDOUT:     complete_type_witness = %complete_type.loc14_1.1
    134. 

  134. // CHECK:STDOUT:
    135. 

  135. // CHECK:STDOUT:   !members:
    136. 

  136. // CHECK:STDOUT:     .Self = constants.%Class
    137. 

  137. // CHECK:STDOUT:     .T = <poisoned>
    138. 

  138. // CHECK:STDOUT:     .a = %.loc12_8
    139. 

  139. // CHECK:STDOUT:     .F = %F.decl
    140. 

  140. // CHECK:STDOUT:   }
    141. 

  141. // CHECK:STDOUT: }
    142. 

  142. // CHECK:STDOUT:
    143. 

  143. // CHECK:STDOUT: generic fn @F(@Class.%T.loc11_13.1: type) {
    144. 

  144. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
    145. 

  145. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class)]
    146. 

  146. // CHECK:STDOUT:
    147. 

  147. // CHECK:STDOUT:   fn[%self.param_patt: @F.%Class (%Class)](%n.param_patt: @F.%T (%T));
    148. 

  148. // CHECK:STDOUT: }
    149. 

  149. // CHECK:STDOUT:
    150. 

  150. // CHECK:STDOUT: generic fn @.1(%N.loc33_10.1: %i32) {
    151. 

  151. // CHECK:STDOUT:   %N.loc33_10.2: %i32 = bind_symbolic_name N, 0 [symbolic = %N.loc33_10.2 (constants.%N.51e)]
    152. 

  152. // CHECK:STDOUT:   %N.patt: %i32 = symbolic_binding_pattern N, 0 [symbolic = %N.patt (constants.%N.patt.8e2)]
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: !definition:
    155. 

  155. // CHECK:STDOUT:
    156. 

  156. // CHECK:STDOUT:   fn[%self.param_patt: <error>](%n.param_patt: <error>) {
    157. 

  157. // CHECK:STDOUT:   !entry:
    158. 

  158. // CHECK:STDOUT:     return
    159. 

  159. // CHECK:STDOUT:   }
    160. 

  160. // CHECK:STDOUT: }
    161. 

  161. // CHECK:STDOUT:
    162. 

  162. // CHECK:STDOUT: specific @Class(constants.%T) {
    163. 

  163. // CHECK:STDOUT:   %T.loc11_13.2 => constants.%T
    164. 

  164. // CHECK:STDOUT:   %T.patt.loc11_13.2 => constants.%T
    165. 

  165. // CHECK:STDOUT: }
    166. 

  166. // CHECK:STDOUT:
    167. 

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

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

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

  170. // CHECK:STDOUT: }
    171. 

  171. // CHECK:STDOUT:
    172. 

  172. // CHECK:STDOUT: specific @Class(@F.%T) {}
    173. 

  173. // CHECK:STDOUT:
    174. 

  174. // CHECK:STDOUT: specific @Class(%T.loc11_13.2) {}
    175. 

  175. // CHECK:STDOUT:
    176. 

  176. // CHECK:STDOUT: specific @.1(constants.%N.51e) {
    177. 

  177. // CHECK:STDOUT:   %N.loc33_10.2 => constants.%N.51e
    178. 

  178. // CHECK:STDOUT:   %N.patt => constants.%N.51e
    179. 

  179. // CHECK:STDOUT: }
    180. 

  180. // CHECK:STDOUT:
    181.