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carbon-lang
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toolchain
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function
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declaration
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extern_library_from_default.carbon

extern_library_from_default.carbon 3.3 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: --no-prelude-import --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/function/declaration/extern_library_from_default.carbon
    11. 

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

  12. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/declaration/extern_library_from_default.carbon
    13. 

  13. 

  14. // --- extern_library.carbon
    15. 

  15. 

  16. library "[[@TEST_NAME]]";
    17. 

  17. 

  18. extern library default fn F();
    19. 

  19. 

  20. // --- default.carbon
    21. 

  21. 

  22. import library "extern_library";
    23. 

  23. 

  24. extern fn F();
    25. 

  25. 

  26. // --- fail_wrong_library.carbon
    27. 

  27. 

  28. library "[[@TEST_NAME]]";
    29. 

  29. 

  30. import library "extern_library";
    31. 

  31. 

  32. // CHECK:STDERR: fail_wrong_library.carbon:[[@LINE+8]]:1: error: declaration in library "wrong_library" doesn't match `extern library` declaration [ExternLibraryIncorrect]
    33. 

  33. // CHECK:STDERR: extern fn F();
    34. 

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

  35. // CHECK:STDERR: fail_wrong_library.carbon:[[@LINE-5]]:1: in import [InImport]
    36. 

  36. // CHECK:STDERR: extern_library.carbon:4:1: note: previously declared with `extern library` here [ExternLibraryExpected]
    37. 

  37. // CHECK:STDERR: extern library default fn F();
    38. 

  38. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    39. 

  39. // CHECK:STDERR:
    40. 

  40. extern fn F();
    41. 

  41. 

  42. // CHECK:STDOUT: --- extern_library.carbon
    43. 

  43. // CHECK:STDOUT:
    44. 

  44. // CHECK:STDOUT: constants {
    45. 

  45. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    46. 

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

  47. // CHECK:STDOUT: }
    48. 

  48. // CHECK:STDOUT:
    49. 

  49. // CHECK:STDOUT: file {
    50. 

  50. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    51. 

  51. // CHECK:STDOUT:     .F = %F.decl
    52. 

  52. // CHECK:STDOUT:   }
    53. 

  53. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    54. 

  54. // CHECK:STDOUT: }
    55. 

  55. // CHECK:STDOUT:
    56. 

  56. // CHECK:STDOUT: extern fn @F();
    57. 

  57. // CHECK:STDOUT:
    58. 

  58. // CHECK:STDOUT: --- default.carbon
    59. 

  59. // CHECK:STDOUT:
    60. 

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

  61. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    62. 

  62. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    63. 

  63. // CHECK:STDOUT: }
    64. 

  64. // CHECK:STDOUT:
    65. 

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

  66. // CHECK:STDOUT: }
    67. 

  67. // CHECK:STDOUT:
    68. 

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

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

  70. // CHECK:STDOUT:     .F = %F.decl
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %default.import = import <none>
    73. 

  73. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    74. 

  74. // CHECK:STDOUT: }
    75. 

  75. // CHECK:STDOUT:
    76. 

  76. // CHECK:STDOUT: extern fn @F;
    77. 

  77. // CHECK:STDOUT:
    78. 

  78. // CHECK:STDOUT: --- fail_wrong_library.carbon
    79. 

  79. // CHECK:STDOUT:
    80. 

  80. // CHECK:STDOUT: constants {
    81. 

  81. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    82. 

  82. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    83. 

  83. // CHECK:STDOUT: }
    84. 

  84. // CHECK:STDOUT:
    85. 

  85. // CHECK:STDOUT: imports {
    86. 

  86. // CHECK:STDOUT: }
    87. 

  87. // CHECK:STDOUT:
    88. 

  88. // CHECK:STDOUT: file {
    89. 

  89. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    90. 

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

  91. // CHECK:STDOUT:   }
    92. 

  92. // CHECK:STDOUT:   %default.import = import <none>
    93. 

  93. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    94. 

  94. // CHECK:STDOUT: }
    95. 

  95. // CHECK:STDOUT:
    96. 

  96. // CHECK:STDOUT: extern fn @F;
    97. 

  97. // CHECK:STDOUT:
    98.