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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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fail_init.carbon

fail_init.carbon 7.4 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_init.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_init.carbon
    10. 

  10. 

  11. class Class {
    12. 

  12.   var a: i32;
    13. 

  13.   var b: i32;
    14. 

  14. }
    15. 

  15. 

  16. fn F() {
    17. 

  17.   // CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: cannot initialize class with 2 fields from struct with 1 field [StructInitElementCountMismatch]
    18. 

  18.   // CHECK:STDERR:   {.a = 1} as Class;
    19. 

  19.   // CHECK:STDERR:   ^~~~~~~~
    20. 

  20.   // CHECK:STDERR:
    21. 

  21.   {.a = 1} as Class;
    22. 

  22.   // CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: missing value for field `b` in struct initialization [StructInitMissingFieldInLiteral]
    23. 

  23.   // CHECK:STDERR:   {.a = 1, .c = 2} as Class;
    24. 

  24.   // CHECK:STDERR:   ^~~~~~~~~~~~~~~~
    25. 

  25.   // CHECK:STDERR:
    26. 

  26.   {.a = 1, .c = 2} as Class;
    27. 

  27.   // CHECK:STDERR: fail_init.carbon:[[@LINE+3]]:3: error: cannot initialize class with 2 fields from struct with 3 fields [StructInitElementCountMismatch]
    28. 

  28.   // CHECK:STDERR:   {.a = 1, .b = 2, .c = 3} as Class;
    29. 

  29.   // CHECK:STDERR:   ^~~~~~~~~~~~~~~~~~~~~~~~
    30. 

  30.   {.a = 1, .b = 2, .c = 3} as Class;
    31. 

  31. }
    32. 

  32. 

  33. // CHECK:STDOUT: --- fail_init.carbon
    34. 

  34. // CHECK:STDOUT:
    35. 

  35. // CHECK:STDOUT: constants {
    36. 

  36. // CHECK:STDOUT:   %Class: type = class_type @Class [template]
    37. 

  37. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    38. 

  38. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    39. 

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

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

  41. // CHECK:STDOUT:   %complete_type.e46: <witness> = complete_type_witness %struct_type.a.b [template]
    42. 

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

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

  44. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [template]
    45. 

  45. // CHECK:STDOUT:   %struct_type.a: type = struct_type {.a: Core.IntLiteral} [template]
    46. 

  46. // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [template]
    47. 

  47. // CHECK:STDOUT:   %struct_type.a.c: type = struct_type {.a: Core.IntLiteral, .c: Core.IntLiteral} [template]
    48. 

  48. // CHECK:STDOUT:   %Convert.type.cd1: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    49. 

  49. // CHECK:STDOUT:   %impl_witness.5b0: <witness> = impl_witness (imports.%import_ref.723), @impl.1(%int_32) [template]
    50. 

  50. // CHECK:STDOUT:   %Convert.type.466: type = fn_type @Convert.2, @impl.1(%int_32) [template]
    51. 

  51. // CHECK:STDOUT:   %Convert.925: %Convert.type.466 = struct_value () [template]
    52. 

  52. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.925 [template]
    53. 

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

  54. // CHECK:STDOUT:   %int_1.c60: %i32 = int_value 1 [template]
    55. 

  55. // CHECK:STDOUT:   %int_3: Core.IntLiteral = int_value 3 [template]
    56. 

  56. // CHECK:STDOUT:   %struct_type.a.b.c: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral, .c: Core.IntLiteral} [template]
    57. 

  57. // CHECK:STDOUT: }
    58. 

  58. // CHECK:STDOUT:
    59. 

  59. // CHECK:STDOUT: imports {
    60. 

  60. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    61. 

  61. // CHECK:STDOUT:     .Int = %import_ref.187
    62. 

  62. // CHECK:STDOUT:     .ImplicitAs = %import_ref.a69
    63. 

  63. // CHECK:STDOUT:     import Core//prelude
    64. 

  64. // CHECK:STDOUT:     import Core//prelude/...
    65. 

  65. // CHECK:STDOUT:   }
    66. 

  66. // CHECK:STDOUT: }
    67. 

  67. // CHECK:STDOUT:
    68. 

  68. // CHECK:STDOUT: file {
    69. 

  69. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    70. 

  70. // CHECK:STDOUT:     .Core = imports.%Core
    71. 

  71. // CHECK:STDOUT:     .Class = %Class.decl
    72. 

  72. // CHECK:STDOUT:     .F = %F.decl
    73. 

  73. // CHECK:STDOUT:   }
    74. 

  74. // CHECK:STDOUT:   %Core.import = import Core
    75. 

  75. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
    76. 

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

  77. // CHECK:STDOUT: }
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: class @Class {
    80. 

  80. // CHECK:STDOUT:   %.loc12: %Class.elem = field_decl a, element0 [template]
    81. 

  81. // CHECK:STDOUT:   %.loc13: %Class.elem = field_decl b, element1 [template]
    82. 

  82. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.a.b [template = constants.%complete_type.e46]
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: !members:
    85. 

  85. // CHECK:STDOUT:   .Self = constants.%Class
    86. 

  86. // CHECK:STDOUT:   .a = %.loc12
    87. 

  87. // CHECK:STDOUT:   .b = %.loc13
    88. 

  88. // CHECK:STDOUT:   complete_type_witness = %complete_type
    89. 

  89. // CHECK:STDOUT: }
    90. 

  90. // CHECK:STDOUT:
    91. 

  91. // CHECK:STDOUT: fn @F() {
    92. 

  92. // CHECK:STDOUT: !entry:
    93. 

  93. // CHECK:STDOUT:   %int_1.loc21: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
    94. 

  94. // CHECK:STDOUT:   %.loc21_10.1: %struct_type.a = struct_literal (%int_1.loc21)
    95. 

  95. // CHECK:STDOUT:   %Class.ref.loc21: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    96. 

  96. // CHECK:STDOUT:   %.loc21_10.2: ref %Class = temporary_storage
    97. 

  97. // CHECK:STDOUT:   %.loc21_10.3: ref %Class = temporary %.loc21_10.2, <error>
    98. 

  98. // CHECK:STDOUT:   %.loc21_12: ref %Class = converted %.loc21_10.1, %.loc21_10.3
    99. 

  99. // CHECK:STDOUT:   %int_1.loc26: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
    100. 

  100. // CHECK:STDOUT:   %int_2.loc26: Core.IntLiteral = int_value 2 [template = constants.%int_2]
    101. 

  101. // CHECK:STDOUT:   %.loc26_18.1: %struct_type.a.c = struct_literal (%int_1.loc26, %int_2.loc26)
    102. 

  102. // CHECK:STDOUT:   %Class.ref.loc26: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    103. 

  103. // CHECK:STDOUT:   %impl.elem0: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
    104. 

  104. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.loc26, %impl.elem0 [template = constants.%Convert.bound]
    105. 

  105. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
    106. 

  106. // CHECK:STDOUT:   %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1.loc26) [template = constants.%int_1.c60]
    107. 

  107. // CHECK:STDOUT:   %.loc26_18.2: init %i32 = converted %int_1.loc26, %int.convert_checked [template = constants.%int_1.c60]
    108. 

  108. // CHECK:STDOUT:   %.loc26_18.3: ref %Class = temporary_storage
    109. 

  109. // CHECK:STDOUT:   %.loc26_18.4: ref %i32 = class_element_access %.loc26_18.3, element0
    110. 

  110. // CHECK:STDOUT:   %.loc26_18.5: init %i32 = initialize_from %.loc26_18.2 to %.loc26_18.4 [template = constants.%int_1.c60]
    111. 

  111. // CHECK:STDOUT:   %.loc26_18.6: ref %Class = temporary %.loc26_18.3, <error>
    112. 

  112. // CHECK:STDOUT:   %.loc26_20: ref %Class = converted %.loc26_18.1, %.loc26_18.6
    113. 

  113. // CHECK:STDOUT:   %int_1.loc30: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
    114. 

  114. // CHECK:STDOUT:   %int_2.loc30: Core.IntLiteral = int_value 2 [template = constants.%int_2]
    115. 

  115. // CHECK:STDOUT:   %int_3: Core.IntLiteral = int_value 3 [template = constants.%int_3]
    116. 

  116. // CHECK:STDOUT:   %.loc30_26.1: %struct_type.a.b.c = struct_literal (%int_1.loc30, %int_2.loc30, %int_3)
    117. 

  117. // CHECK:STDOUT:   %Class.ref.loc30: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    118. 

  118. // CHECK:STDOUT:   %.loc30_26.2: ref %Class = temporary_storage
    119. 

  119. // CHECK:STDOUT:   %.loc30_26.3: ref %Class = temporary %.loc30_26.2, <error>
    120. 

  120. // CHECK:STDOUT:   %.loc30_28: ref %Class = converted %.loc30_26.1, %.loc30_26.3
    121. 

  121. // CHECK:STDOUT:   return
    122. 

  122. // CHECK:STDOUT: }
    123. 

  123. // CHECK:STDOUT:
    124.