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fail_duplicate_decl.carbon

fail_duplicate_decl.carbon 9.1 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
    6. 

  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    7. 

  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    8. 

  8. //
    9. 

  9. // AUTOUPDATE
    10. 

  10. // TIP: To test this file alone, run:
    11. 

  11. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/let/fail_duplicate_decl.carbon
    12. 

  12. // TIP: To dump output, run:
    13. 

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/fail_duplicate_decl.carbon
    14. 

  14. 

  15. fn F() {
    16. 

  16.   let unused a: i32 = 1;
    17. 

  17.   // CHECK:STDERR: fail_duplicate_decl.carbon:[[@LINE+7]]:14: error: duplicate name `a` being declared in the same scope [NameDeclDuplicate]
    18. 

  18.   // CHECK:STDERR:   let unused a: i32 = 2;
    19. 

  19.   // CHECK:STDERR:              ^
    20. 

  20.   // CHECK:STDERR: fail_duplicate_decl.carbon:[[@LINE-4]]:14: note: name is previously declared here [NameDeclPrevious]
    21. 

  21.   // CHECK:STDERR:   let unused a: i32 = 1;
    22. 

  22.   // CHECK:STDERR:              ^
    23. 

  23.   // CHECK:STDERR:
    24. 

  24.   let unused a: i32 = 2;
    25. 

  25. }
    26. 

  26. 

  27. // CHECK:STDOUT: --- fail_duplicate_decl.carbon
    28. 

  28. // CHECK:STDOUT:
    29. 

  29. // CHECK:STDOUT: constants {
    30. 

  30. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    31. 

  31. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    32. 

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

  33. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    34. 

  34. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    35. 

  35. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    36. 

  36. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    37. 

  37. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    38. 

  38. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    39. 

  39. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    40. 

  40. // CHECK:STDOUT:   %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    41. 

  41. // CHECK:STDOUT:   %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
    42. 

  42. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
    43. 

  43. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
    44. 

  44. // CHECK:STDOUT:   %ImplicitAs.impl_witness.6bc: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
    45. 

  45. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
    46. 

  46. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
    47. 

  47. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
    48. 

  48. // CHECK:STDOUT:   %ImplicitAs.WithSelf.Convert.type.b37: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
    49. 

  49. // CHECK:STDOUT:   %.545: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.b37, %ImplicitAs.facet [concrete]
    50. 

  50. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
    51. 

  51. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
    52. 

  52. // CHECK:STDOUT:   %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
    53. 

  53. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    54. 

  54. // CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
    55. 

  55. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
    56. 

  56. // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
    57. 

  57. // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: imports {
    61. 

  61. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    62. 

  62. // CHECK:STDOUT:     .Int = %Core.Int
    63. 

  63. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    64. 

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

  65. // CHECK:STDOUT:     import Core//prelude/...
    66. 

  66. // CHECK:STDOUT:   }
    67. 

  67. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
    68. 

  68. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    69. 

  69. // CHECK:STDOUT:   %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2)]
    70. 

  70. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
    71. 

  71. // CHECK:STDOUT: }
    72. 

  72. // CHECK:STDOUT:
    73. 

  73. // CHECK:STDOUT: file {
    74. 

  74. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    75. 

  75. // CHECK:STDOUT:     .Core = imports.%Core
    76. 

  76. // CHECK:STDOUT:     .F = %F.decl
    77. 

  77. // CHECK:STDOUT:   }
    78. 

  78. // CHECK:STDOUT:   %Core.import = import Core
    79. 

  79. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    80. 

  80. // CHECK:STDOUT: }
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: fn @F() {
    83. 

  83. // CHECK:STDOUT: !entry:
    84. 

  84. // CHECK:STDOUT:   name_binding_decl {
    85. 

  85. // CHECK:STDOUT:     %a.patt.loc16: %pattern_type.7ce = value_binding_pattern a [concrete]
    86. 

  86. // CHECK:STDOUT:   }
    87. 

  87. // CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    88. 

  88. // CHECK:STDOUT:   %i32.loc16: type = type_literal constants.%i32 [concrete = constants.%i32]
    89. 

  89. // CHECK:STDOUT:   %impl.elem0.loc16: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
    90. 

  90. // CHECK:STDOUT:   %bound_method.loc16_23.1: <bound method> = bound_method %int_1, %impl.elem0.loc16 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
    91. 

  91. // CHECK:STDOUT:   %specific_fn.loc16: <specific function> = specific_function %impl.elem0.loc16, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
    92. 

  92. // CHECK:STDOUT:   %bound_method.loc16_23.2: <bound method> = bound_method %int_1, %specific_fn.loc16 [concrete = constants.%bound_method.38b]
    93. 

  93. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16: init %i32 = call %bound_method.loc16_23.2(%int_1) [concrete = constants.%int_1.5d2]
    94. 

  94. // CHECK:STDOUT:   %.loc16_23.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16 [concrete = constants.%int_1.5d2]
    95. 

  95. // CHECK:STDOUT:   %.loc16_23.2: %i32 = converted %int_1, %.loc16_23.1 [concrete = constants.%int_1.5d2]
    96. 

  96. // CHECK:STDOUT:   %a.loc16: %i32 = value_binding a, %.loc16_23.2
    97. 

  97. // CHECK:STDOUT:   name_binding_decl {
    98. 

  98. // CHECK:STDOUT:     %a.patt.loc24: %pattern_type.7ce = value_binding_pattern a [concrete]
    99. 

  99. // CHECK:STDOUT:   }
    100. 

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

  101. // CHECK:STDOUT:   %i32.loc24: type = type_literal constants.%i32 [concrete = constants.%i32]
    102. 

  102. // CHECK:STDOUT:   %impl.elem0.loc24: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
    103. 

  103. // CHECK:STDOUT:   %bound_method.loc24_23.1: <bound method> = bound_method %int_2, %impl.elem0.loc24 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
    104. 

  104. // CHECK:STDOUT:   %specific_fn.loc24: <specific function> = specific_function %impl.elem0.loc24, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
    105. 

  105. // CHECK:STDOUT:   %bound_method.loc24_23.2: <bound method> = bound_method %int_2, %specific_fn.loc24 [concrete = constants.%bound_method.646]
    106. 

  106. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc24: init %i32 = call %bound_method.loc24_23.2(%int_2) [concrete = constants.%int_2.ef8]
    107. 

  107. // CHECK:STDOUT:   %.loc24_23.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc24 [concrete = constants.%int_2.ef8]
    108. 

  108. // CHECK:STDOUT:   %.loc24_23.2: %i32 = converted %int_2, %.loc24_23.1 [concrete = constants.%int_2.ef8]
    109. 

  109. // CHECK:STDOUT:   %a.loc24: %i32 = value_binding a, %.loc24_23.2
    110. 

  110. // CHECK:STDOUT:   return
    111. 

  111. // CHECK:STDOUT: }
    112. 

  112. // CHECK:STDOUT:
    113.