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carbon-lang
/
toolchain
/
check
/
testdata
/
class
/
generic
/
fail_todo_use.carbon

fail_todo_use.carbon 7.5 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/fail_todo_use.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/fail_todo_use.carbon
    10. 

  10. 

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

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

  13.     return &self->k;
    14. 

  14.   }
    15. 

  15. 

  16.   var k: T;
    17. 

  17. }
    18. 

  18. 

  19. // TODO: The following should work.
    20. 

  20. fn Run() -> i32 {
    21. 

  21.   // CHECK:STDERR: fail_todo_use.carbon:[[@LINE+4]]:23: ERROR: Cannot implicitly convert from `i32` to `T`.
    22. 

  22.   // CHECK:STDERR:   var v: Class(i32) = {.k = 0};
    23. 

  23.   // CHECK:STDERR:                       ^~~~~~~~
    24. 

  24.   // CHECK:STDERR:
    25. 

  25.   var v: Class(i32) = {.k = 0};
    26. 

  26.   // CHECK:STDERR: fail_todo_use.carbon:[[@LINE+10]]:3: ERROR: Cannot implicitly convert from `T*` to `i32`.
    27. 

  27.   // CHECK:STDERR:   return v.Get();
    28. 

  28.   // CHECK:STDERR:   ^~~~~~~~~~~~~~~
    29. 

  29.   // CHECK:STDERR:
    30. 

  30.   // CHECK:STDERR: fail_todo_use.carbon:[[@LINE+6]]:10: ERROR: Cannot implicitly convert from `Class*` to `Class*`.
    31. 

  31.   // CHECK:STDERR:   return v.Get();
    32. 

  32.   // CHECK:STDERR:          ^~~~~~
    33. 

  33.   // CHECK:STDERR: fail_todo_use.carbon:[[@LINE-21]]:15: Initializing `addr self` parameter of method declared here.
    34. 

  34.   // CHECK:STDERR:   fn Get[addr self: Self*]() -> T* {
    35. 

  35.   // CHECK:STDERR:               ^~~~
    36. 

  36.   return v.Get();
    37. 

  37. }
    38. 

  38. 

  39. // CHECK:STDOUT: --- fail_todo_use.carbon
    40. 

  40. // CHECK:STDOUT:
    41. 

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

  42. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    43. 

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

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

  45. // CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
    46. 

  46. // CHECK:STDOUT:   %Class.2: type = class_type @Class, (%T) [symbolic]
    47. 

  47. // CHECK:STDOUT:   %.2: type = ptr_type %Class.2 [symbolic]
    48. 

  48. // CHECK:STDOUT:   %.3: type = ptr_type %T [symbolic]
    49. 

  49. // CHECK:STDOUT:   %Get.type: type = fn_type @Get [template]
    50. 

  50. // CHECK:STDOUT:   %Get: %Get.type = struct_value () [template]
    51. 

  51. // CHECK:STDOUT:   %.4: type = unbound_element_type %Class.2, %T [symbolic]
    52. 

  52. // CHECK:STDOUT:   %.5: type = struct_type {.k: %T} [symbolic]
    53. 

  53. // CHECK:STDOUT:   %.6: type = ptr_type %.5 [symbolic]
    54. 

  54. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    55. 

  55. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    56. 

  56. // CHECK:STDOUT:   %Run.type: type = fn_type @Run [template]
    57. 

  57. // CHECK:STDOUT:   %Run: %Run.type = struct_value () [template]
    58. 

  58. // CHECK:STDOUT:   %Class.3: type = class_type @Class, (i32) [template]
    59. 

  59. // CHECK:STDOUT:   %.7: i32 = int_literal 0 [template]
    60. 

  60. // CHECK:STDOUT:   %.8: type = struct_type {.k: i32} [template]
    61. 

  61. // CHECK:STDOUT:   %.9: type = ptr_type %Class.3 [template]
    62. 

  62. // CHECK:STDOUT: }
    63. 

  63. // CHECK:STDOUT:
    64. 

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

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

  66. // CHECK:STDOUT:     .Core = %Core
    67. 

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

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

  69. // CHECK:STDOUT:   }
    70. 

  70. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    71. 

  71. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
    72. 

  72. // CHECK:STDOUT:     %T.loc11_13.1: type = param T
    73. 

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

  74. // CHECK:STDOUT:   }
    75. 

  75. // CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    76. 

  76. // CHECK:STDOUT:   %Run.decl: %Run.type = fn_decl @Run [template = constants.%Run] {
    77. 

  77. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    78. 

  78. // CHECK:STDOUT:     %.loc20_13.1: type = value_of_initializer %int.make_type_32 [template = i32]
    79. 

  79. // CHECK:STDOUT:     %.loc20_13.2: type = converted %int.make_type_32, %.loc20_13.1 [template = i32]
    80. 

  80. // CHECK:STDOUT:     @Run.%return: ref i32 = var <return slot>
    81. 

  81. // CHECK:STDOUT:   }
    82. 

  82. // CHECK:STDOUT:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    83. 

  83. // CHECK:STDOUT: }
    84. 

  84. // CHECK:STDOUT:
    85. 

  85. // CHECK:STDOUT: class @Class
    86. 

  86. // CHECK:STDOUT:     generic [file.%T.loc11_13.2: type] {
    87. 

  87. // CHECK:STDOUT:   %Get.decl: %Get.type = fn_decl @Get [template = constants.%Get] {
    88. 

  88. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Class.2 [symbolic = constants.%Class.2]
    89. 

  89. // CHECK:STDOUT:     %.loc12_25: type = ptr_type %Class.2 [symbolic = constants.%.2]
    90. 

  90. // CHECK:STDOUT:     %self.loc12_15.1: %.2 = param self
    91. 

  91. // CHECK:STDOUT:     %self.loc12_15.3: %.2 = bind_name self, %self.loc12_15.1
    92. 

  92. // CHECK:STDOUT:     %.loc12_10: %.2 = addr_pattern %self.loc12_15.3
    93. 

  93. // CHECK:STDOUT:     %T.ref.loc12: type = name_ref T, file.%T.loc11_13.2 [symbolic = constants.%T]
    94. 

  94. // CHECK:STDOUT:     %.loc12_34: type = ptr_type %T [symbolic = constants.%.3]
    95. 

  95. // CHECK:STDOUT:     %return.var: ref %.3 = var <return slot>
    96. 

  96. // CHECK:STDOUT:   }
    97. 

  97. // CHECK:STDOUT:   %T.ref.loc16: type = name_ref T, file.%T.loc11_13.2 [symbolic = constants.%T]
    98. 

  98. // CHECK:STDOUT:   %.loc16: %.4 = field_decl k, element0 [template]
    99. 

  99. // CHECK:STDOUT:
    100. 

  100. // CHECK:STDOUT: !members:
    101. 

  101. // CHECK:STDOUT:   .Self = constants.%Class.2
    102. 

  102. // CHECK:STDOUT:   .Get = %Get.decl
    103. 

  103. // CHECK:STDOUT:   .k = %.loc16
    104. 

  104. // CHECK:STDOUT: }
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: fn @Get[addr @Class.%self.loc12_15.3: %.2]() -> %.3
    107. 

  107. // CHECK:STDOUT:     generic [file.%T.loc11_13.2: type] {
    108. 

  108. // CHECK:STDOUT: !entry:
    109. 

  109. // CHECK:STDOUT:   %self.ref: %.2 = name_ref self, @Class.%self.loc12_15.3
    110. 

  110. // CHECK:STDOUT:   %.loc13_17.1: ref %Class.2 = deref %self.ref
    111. 

  111. // CHECK:STDOUT:   %k.ref: %.4 = name_ref k, @Class.%.loc16 [template = @Class.%.loc16]
    112. 

  112. // CHECK:STDOUT:   %.loc13_17.2: ref %T = class_element_access %.loc13_17.1, element0
    113. 

  113. // CHECK:STDOUT:   %.loc13_12: %.3 = addr_of %.loc13_17.2
    114. 

  114. // CHECK:STDOUT:   return %.loc13_12
    115. 

  115. // CHECK:STDOUT: }
    116. 

  116. // CHECK:STDOUT:
    117. 

  117. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    118. 

  118. // CHECK:STDOUT:
    119. 

  119. // CHECK:STDOUT: fn @Run() -> i32 {
    120. 

  120. // CHECK:STDOUT: !entry:
    121. 

  121. // CHECK:STDOUT:   %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.1]
    122. 

  122. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    123. 

  123. // CHECK:STDOUT:   %.loc25_15.1: type = value_of_initializer %int.make_type_32 [template = i32]
    124. 

  124. // CHECK:STDOUT:   %.loc25_15.2: type = converted %int.make_type_32, %.loc25_15.1 [template = i32]
    125. 

  125. // CHECK:STDOUT:   %.loc25_15.3: init type = call %Class.ref(%.loc25_15.2) [template = constants.%Class.3]
    126. 

  126. // CHECK:STDOUT:   %.loc25_19.1: type = value_of_initializer %.loc25_15.3 [template = constants.%Class.3]
    127. 

  127. // CHECK:STDOUT:   %.loc25_19.2: type = converted %.loc25_15.3, %.loc25_19.1 [template = constants.%Class.3]
    128. 

  128. // CHECK:STDOUT:   %v.var: ref %Class.3 = var v
    129. 

  129. // CHECK:STDOUT:   %v: ref %Class.3 = bind_name v, %v.var
    130. 

  130. // CHECK:STDOUT:   %.loc25_29: i32 = int_literal 0 [template = constants.%.7]
    131. 

  131. // CHECK:STDOUT:   %.loc25_30: %.8 = struct_literal (%.loc25_29)
    132. 

  132. // CHECK:STDOUT:   assign %v.var, <error>
    133. 

  133. // CHECK:STDOUT:   %v.ref: ref %Class.3 = name_ref v, %v
    134. 

  134. // CHECK:STDOUT:   %Get.ref: %Get.type = name_ref Get, @Class.%Get.decl [template = constants.%Get]
    135. 

  135. // CHECK:STDOUT:   %.loc36_11: <bound method> = bound_method %v.ref, %Get.ref
    136. 

  136. // CHECK:STDOUT:   %.loc36_10: %.9 = addr_of %v.ref
    137. 

  137. // CHECK:STDOUT:   %Get.call: init %.3 = call %.loc36_11(<invalid>) [template = <error>]
    138. 

  138. // CHECK:STDOUT:   return <error>
    139. 

  139. // CHECK:STDOUT: }
    140. 

  140. // CHECK:STDOUT:
    141.