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fail_init.carbon

fail_init.carbon 10.0 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. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    6. 

  6. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    7. 

  7. //
    8. 

  8. // AUTOUPDATE
    9. 

  9. // TIP: To test this file alone, run:
    10. 

  10. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_init.carbon
    11. 

  11. // TIP: To dump output, run:
    12. 

  12. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_init.carbon
    13. 

  13. 

  14. class Class {
    15. 

  15.   var a: i32;
    16. 

  16.   var b: i32;
    17. 

  17. }
    18. 

  18. 

  19. fn F() {
    20. 

  20.   // CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: cannot initialize class with 2 fields from struct with 1 field [StructInitElementCountMismatch]
    21. 

  21.   // CHECK:STDERR:   {.a = 1} as Class;
    22. 

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

  23.   // CHECK:STDERR:
    24. 

  24.   {.a = 1} as Class;
    25. 

  25.   // CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: missing value for field `b` in struct initialization [StructInitMissingFieldInLiteral]
    26. 

  26.   // CHECK:STDERR:   {.a = 1, .c = 2} as Class;
    27. 

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

  28.   // CHECK:STDERR:
    29. 

  29.   {.a = 1, .c = 2} as Class;
    30. 

  30.   // CHECK:STDERR: fail_init.carbon:[[@LINE+4]]:3: error: cannot initialize class with 2 fields from struct with 3 fields [StructInitElementCountMismatch]
    31. 

  31.   // CHECK:STDERR:   {.a = 1, .b = 2, .c = 3} as Class;
    32. 

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

  33.   // CHECK:STDERR:
    34. 

  34.   {.a = 1, .b = 2, .c = 3} as Class;
    35. 

  35. }
    36. 

  36. 

  37. // CHECK:STDOUT: --- fail_init.carbon
    38. 

  38. // CHECK:STDOUT:
    39. 

  39. // CHECK:STDOUT: constants {
    40. 

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

  41. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    42. 

  42. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    43. 

  43. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    44. 

  44. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    45. 

  45. // CHECK:STDOUT:   %Class.elem: type = unbound_element_type %Class, %i32 [concrete]
    46. 

  46. // CHECK:STDOUT:   %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete]
    47. 

  47. // CHECK:STDOUT:   %complete_type.705: <witness> = complete_type_witness %struct_type.a.b [concrete]
    48. 

  48. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    49. 

  49. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    50. 

  50. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    51. 

  51. // CHECK:STDOUT:   %struct_type.a: type = struct_type {.a: Core.IntLiteral} [concrete]
    52. 

  52. // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete]
    53. 

  53. // CHECK:STDOUT:   %struct_type.a.c: type = struct_type {.a: Core.IntLiteral, .c: Core.IntLiteral} [concrete]
    54. 

  54. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    55. 

  55. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    56. 

  56. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    57. 

  57. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    58. 

  58. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    59. 

  59. // CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.3, @impl.4f9(%To.c80) [symbolic]
    60. 

  60. // CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
    61. 

  61. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    62. 

  62. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.3, @impl.4f9(%int_32) [concrete]
    63. 

  63. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    64. 

  64. // CHECK:STDOUT:   %ImplicitAs.facet.921: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    65. 

  65. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet.921 [concrete]
    66. 

  66. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
    67. 

  67. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.3(%int_32) [concrete]
    68. 

  68. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    69. 

  69. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    70. 

  70. // CHECK:STDOUT:   %int_3: Core.IntLiteral = int_value 3 [concrete]
    71. 

  71. // CHECK:STDOUT:   %struct_type.a.b.c: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral, .c: Core.IntLiteral} [concrete]
    72. 

  72. // CHECK:STDOUT: }
    73. 

  73. // CHECK:STDOUT:
    74. 

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

  75. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    76. 

  76. // CHECK:STDOUT:     .Int = %Core.Int
    77. 

  77. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    78. 

  78. // CHECK:STDOUT:     import Core//prelude
    79. 

  79. // CHECK:STDOUT:     import Core//prelude/...
    80. 

  80. // CHECK:STDOUT:   }
    81. 

  81. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    82. 

  82. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    83. 

  83. // CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
    84. 

  84. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
    85. 

  85. // CHECK:STDOUT: }
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: file {
    88. 

  88. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    89. 

  89. // CHECK:STDOUT:     .Core = imports.%Core
    90. 

  90. // CHECK:STDOUT:     .Class = %Class.decl
    91. 

  91. // CHECK:STDOUT:     .F = %F.decl
    92. 

  92. // CHECK:STDOUT:   }
    93. 

  93. // CHECK:STDOUT:   %Core.import = import Core
    94. 

  94. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
    95. 

  95. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    96. 

  96. // CHECK:STDOUT: }
    97. 

  97. // CHECK:STDOUT:
    98. 

  98. // CHECK:STDOUT: class @Class {
    99. 

  99. // CHECK:STDOUT:   %int_32.loc15: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    100. 

  100. // CHECK:STDOUT:   %i32.loc15: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    101. 

  101. // CHECK:STDOUT:   %.loc15: %Class.elem = field_decl a, element0 [concrete]
    102. 

  102. // CHECK:STDOUT:   %int_32.loc16: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    103. 

  103. // CHECK:STDOUT:   %i32.loc16: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    104. 

  104. // CHECK:STDOUT:   %.loc16: %Class.elem = field_decl b, element1 [concrete]
    105. 

  105. // CHECK:STDOUT:   %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete = constants.%struct_type.a.b]
    106. 

  106. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.a.b [concrete = constants.%complete_type.705]
    107. 

  107. // CHECK:STDOUT:   complete_type_witness = %complete_type
    108. 

  108. // CHECK:STDOUT:
    109. 

  109. // CHECK:STDOUT: !members:
    110. 

  110. // CHECK:STDOUT:   .Self = constants.%Class
    111. 

  111. // CHECK:STDOUT:   .a = %.loc15
    112. 

  112. // CHECK:STDOUT:   .b = %.loc16
    113. 

  113. // CHECK:STDOUT: }
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT: fn @F() {
    116. 

  116. // CHECK:STDOUT: !entry:
    117. 

  117. // CHECK:STDOUT:   %int_1.loc24: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    118. 

  118. // CHECK:STDOUT:   %.loc24_10.1: %struct_type.a = struct_literal (%int_1.loc24)
    119. 

  119. // CHECK:STDOUT:   %Class.ref.loc24: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    120. 

  120. // CHECK:STDOUT:   %.loc24_10.2: ref %Class = temporary_storage
    121. 

  121. // CHECK:STDOUT:   %.loc24_10.3: ref %Class = temporary %.loc24_10.2, <error> [concrete = <error>]
    122. 

  122. // CHECK:STDOUT:   %.loc24_12: ref %Class = converted %.loc24_10.1, %.loc24_10.3 [concrete = <error>]
    123. 

  123. // CHECK:STDOUT:   %int_1.loc29: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    124. 

  124. // CHECK:STDOUT:   %int_2.loc29: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
    125. 

  125. // CHECK:STDOUT:   %.loc29_18.1: %struct_type.a.c = struct_literal (%int_1.loc29, %int_2.loc29)
    126. 

  126. // CHECK:STDOUT:   %Class.ref.loc29: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    127. 

  127. // CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    128. 

  128. // CHECK:STDOUT:   %bound_method.loc29_18.1: <bound method> = bound_method %int_1.loc29, %impl.elem0 [concrete = constants.%Convert.bound]
    129. 

  129. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    130. 

  130. // CHECK:STDOUT:   %bound_method.loc29_18.2: <bound method> = bound_method %int_1.loc29, %specific_fn [concrete = constants.%bound_method]
    131. 

  131. // CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc29_18.2(%int_1.loc29) [concrete = constants.%int_1.5d2]
    132. 

  132. // CHECK:STDOUT:   %.loc29_18.2: init %i32 = converted %int_1.loc29, %int.convert_checked [concrete = constants.%int_1.5d2]
    133. 

  133. // CHECK:STDOUT:   %.loc29_18.3: ref %Class = temporary_storage
    134. 

  134. // CHECK:STDOUT:   %.loc29_18.4: ref %i32 = class_element_access %.loc29_18.3, element0
    135. 

  135. // CHECK:STDOUT:   %.loc29_18.5: init %i32 = initialize_from %.loc29_18.2 to %.loc29_18.4 [concrete = constants.%int_1.5d2]
    136. 

  136. // CHECK:STDOUT:   %.loc29_18.6: ref %Class = temporary %.loc29_18.3, <error> [concrete = <error>]
    137. 

  137. // CHECK:STDOUT:   %.loc29_20: ref %Class = converted %.loc29_18.1, %.loc29_18.6 [concrete = <error>]
    138. 

  138. // CHECK:STDOUT:   %int_1.loc34: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    139. 

  139. // CHECK:STDOUT:   %int_2.loc34: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
    140. 

  140. // CHECK:STDOUT:   %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3]
    141. 

  141. // CHECK:STDOUT:   %.loc34_26.1: %struct_type.a.b.c = struct_literal (%int_1.loc34, %int_2.loc34, %int_3)
    142. 

  142. // CHECK:STDOUT:   %Class.ref.loc34: type = name_ref Class, file.%Class.decl [concrete = constants.%Class]
    143. 

  143. // CHECK:STDOUT:   %.loc34_26.2: ref %Class = temporary_storage
    144. 

  144. // CHECK:STDOUT:   %.loc34_26.3: ref %Class = temporary %.loc34_26.2, <error> [concrete = <error>]
    145. 

  145. // CHECK:STDOUT:   %.loc34_28: ref %Class = converted %.loc34_26.1, %.loc34_26.3 [concrete = <error>]
    146. 

  146. // CHECK:STDOUT:   return
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149.