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carbon-lang
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carbon-lang
/
toolchain
/
lex
/
testdata
/
numeric_literals.carbon

numeric_literals.carbon 9.5 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/lex/testdata/numeric_literals.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lex/testdata/numeric_literals.carbon
    10. 

  10. // CHECK:STDOUT: - filename: numeric_literals.carbon
    11. 

  11. // CHECK:STDOUT:   tokens: [
    12. 

  12. // CHECK:STDOUT:     { index:  0, kind:          'FileStart', line: {{ *\d+}}, column:  1, indent: 1, spelling: '' },
    13. 

  13. 

  14. fn F() {
    15. 

  15. // CHECK:STDOUT:     { index:  1, kind:                 'Fn', line: {{ *}}[[@LINE-1]], column:  1, indent: 1, spelling: 'fn', has_leading_space: true },
    16. 

  16. // CHECK:STDOUT:     { index:  2, kind:         'Identifier', line: {{ *}}[[@LINE-2]], column:  4, indent: 1, spelling: 'F', identifier: 0, has_leading_space: true },
    17. 

  17. // CHECK:STDOUT:     { index:  3, kind:          'OpenParen', line: {{ *}}[[@LINE-3]], column:  5, indent: 1, spelling: '(', closing_token: 4 },
    18. 

  18. // CHECK:STDOUT:     { index:  4, kind:         'CloseParen', line: {{ *}}[[@LINE-4]], column:  6, indent: 1, spelling: ')', opening_token: 3 },
    19. 

  19. // CHECK:STDOUT:     { index:  5, kind:     'OpenCurlyBrace', line: {{ *}}[[@LINE-5]], column:  8, indent: 1, spelling: '{', closing_token: 54, has_leading_space: true },
    20. 

  20.   // 8 and 9 trigger special behavior in APInt when mishandling signed versus
    21. 

  21.   // unsigned, so we pay extra attention to those.
    22. 

  22.   var ints: [i32; 5] = (
    23. 

  23.   // CHECK:STDOUT:     { index:  6, kind:                'Var', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: 'var', has_leading_space: true },
    24. 

  24.   // CHECK:STDOUT:     { index:  7, kind:         'Identifier', line: {{ *}}[[@LINE-2]], column:  7, indent: 3, spelling: 'ints', identifier: 1, has_leading_space: true },
    25. 

  25.   // CHECK:STDOUT:     { index:  8, kind:              'Colon', line: {{ *}}[[@LINE-3]], column: 11, indent: 3, spelling: ':' },
    26. 

  26.   // CHECK:STDOUT:     { index:  9, kind:  'OpenSquareBracket', line: {{ *}}[[@LINE-4]], column: 13, indent: 3, spelling: '[', closing_token: 13, has_leading_space: true },
    27. 

  27.   // CHECK:STDOUT:     { index: 10, kind:     'IntTypeLiteral', line: {{ *}}[[@LINE-5]], column: 14, indent: 3, spelling: 'i32' },
    28. 

  28.   // CHECK:STDOUT:     { index: 11, kind:               'Semi', line: {{ *}}[[@LINE-6]], column: 17, indent: 3, spelling: ';' },
    29. 

  29.   // CHECK:STDOUT:     { index: 12, kind:         'IntLiteral', line: {{ *}}[[@LINE-7]], column: 19, indent: 3, spelling: '5', value: `5`, has_leading_space: true },
    30. 

  30.   // CHECK:STDOUT:     { index: 13, kind: 'CloseSquareBracket', line: {{ *}}[[@LINE-8]], column: 20, indent: 3, spelling: ']', opening_token: 9 },
    31. 

  31.   // CHECK:STDOUT:     { index: 14, kind:              'Equal', line: {{ *}}[[@LINE-9]], column: 22, indent: 3, spelling: '=', has_leading_space: true },
    32. 

  32.   // CHECK:STDOUT:     { index: 15, kind:          'OpenParen', line: {{ *}}[[@LINE-10]], column: 24, indent: 3, spelling: '(', closing_token: 26, has_leading_space: true },
    33. 

  33.     8,
    34. 

  34.     // CHECK:STDOUT:     { index: 16, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '8', value: `8`, has_leading_space: true },
    35. 

  35.     // CHECK:STDOUT:     { index: 17, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  6, indent: 5, spelling: ',' },
    36. 

  36.     9,
    37. 

  37.     // CHECK:STDOUT:     { index: 18, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '9', value: `9`, has_leading_space: true },
    38. 

  38.     // CHECK:STDOUT:     { index: 19, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  6, indent: 5, spelling: ',' },
    39. 

  39.     0x8,
    40. 

  40.     // CHECK:STDOUT:     { index: 20, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '0x8', value: `8`, has_leading_space: true },
    41. 

  41.     // CHECK:STDOUT:     { index: 21, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  8, indent: 5, spelling: ',' },
    42. 

  42.     0b1000,
    43. 

  43.     // CHECK:STDOUT:     { index: 22, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '0b1000', value: `8`, has_leading_space: true },
    44. 

  44.     // CHECK:STDOUT:     { index: 23, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 11, indent: 5, spelling: ',' },
    45. 

  45.     39999999999999999993,
    46. 

  46.     // CHECK:STDOUT:     { index: 24, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '39999999999999999993', value: `39999999999999999993`, has_leading_space: true },
    47. 

  47.     // CHECK:STDOUT:     { index: 25, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 25, indent: 5, spelling: ',' },
    48. 

  48.   );
    49. 

  49.   // CHECK:STDOUT:     { index: 26, kind:         'CloseParen', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: ')', opening_token: 15, has_leading_space: true },
    50. 

  50.   // CHECK:STDOUT:     { index: 27, kind:               'Semi', line: {{ *}}[[@LINE-2]], column:  4, indent: 3, spelling: ';' },
    51. 

  51.   var floats: [f64; 7] = (
    52. 

  52.   // CHECK:STDOUT:     { index: 28, kind:                'Var', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: 'var', has_leading_space: true },
    53. 

  53.   // CHECK:STDOUT:     { index: 29, kind:         'Identifier', line: {{ *}}[[@LINE-2]], column:  7, indent: 3, spelling: 'floats', identifier: 2, has_leading_space: true },
    54. 

  54.   // CHECK:STDOUT:     { index: 30, kind:              'Colon', line: {{ *}}[[@LINE-3]], column: 13, indent: 3, spelling: ':' },
    55. 

  55.   // CHECK:STDOUT:     { index: 31, kind:  'OpenSquareBracket', line: {{ *}}[[@LINE-4]], column: 15, indent: 3, spelling: '[', closing_token: 35, has_leading_space: true },
    56. 

  56.   // CHECK:STDOUT:     { index: 32, kind:   'FloatTypeLiteral', line: {{ *}}[[@LINE-5]], column: 16, indent: 3, spelling: 'f64' },
    57. 

  57.   // CHECK:STDOUT:     { index: 33, kind:               'Semi', line: {{ *}}[[@LINE-6]], column: 19, indent: 3, spelling: ';' },
    58. 

  58.   // CHECK:STDOUT:     { index: 34, kind:         'IntLiteral', line: {{ *}}[[@LINE-7]], column: 21, indent: 3, spelling: '7', value: `7`, has_leading_space: true },
    59. 

  59.   // CHECK:STDOUT:     { index: 35, kind: 'CloseSquareBracket', line: {{ *}}[[@LINE-8]], column: 22, indent: 3, spelling: ']', opening_token: 31 },
    60. 

  60.   // CHECK:STDOUT:     { index: 36, kind:              'Equal', line: {{ *}}[[@LINE-9]], column: 24, indent: 3, spelling: '=', has_leading_space: true },
    61. 

  61.   // CHECK:STDOUT:     { index: 37, kind:          'OpenParen', line: {{ *}}[[@LINE-10]], column: 26, indent: 3, spelling: '(', closing_token: 52, has_leading_space: true },
    62. 

  62.     0.9,
    63. 

  63.     // CHECK:STDOUT:     { index: 38, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '0.9', value: `9*10^-1`, has_leading_space: true },
    64. 

  64.     // CHECK:STDOUT:     { index: 39, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  8, indent: 5, spelling: ',' },
    65. 

  65.     8.0,
    66. 

  66.     // CHECK:STDOUT:     { index: 40, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '8.0', value: `80*10^-1`, has_leading_space: true },
    67. 

  67.     // CHECK:STDOUT:     { index: 41, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  8, indent: 5, spelling: ',' },
    68. 

  68.     80.0,
    69. 

  69.     // CHECK:STDOUT:     { index: 42, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '80.0', value: `800*10^-1`, has_leading_space: true },
    70. 

  70.     // CHECK:STDOUT:     { index: 43, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  9, indent: 5, spelling: ',' },
    71. 

  71.     1.0e7,
    72. 

  72.     // CHECK:STDOUT:     { index: 44, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '1.0e7', value: `10*10^6`, has_leading_space: true },
    73. 

  73.     // CHECK:STDOUT:     { index: 45, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 10, indent: 5, spelling: ',' },
    74. 

  74.     1.0e8,
    75. 

  75.     // CHECK:STDOUT:     { index: 46, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '1.0e8', value: `10*10^7`, has_leading_space: true },
    76. 

  76.     // CHECK:STDOUT:     { index: 47, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 10, indent: 5, spelling: ',' },
    77. 

  77.     1.0e-8,
    78. 

  78.     // CHECK:STDOUT:     { index: 48, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '1.0e-8', value: `10*10^-9`, has_leading_space: true },
    79. 

  79.     // CHECK:STDOUT:     { index: 49, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 11, indent: 5, spelling: ',' },
    80. 

  80.     39999999999999999993.0e39999999999999999993,
    81. 

  81.     // CHECK:STDOUT:     { index: 50, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '39999999999999999993.0e39999999999999999993', value: `399999999999999999930*10^39999999999999999992`, has_leading_space: true },
    82. 

  82.     // CHECK:STDOUT:     { index: 51, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 48, indent: 5, spelling: ',' },
    83. 

  83.   );
    84. 

  84.   // CHECK:STDOUT:     { index: 52, kind:         'CloseParen', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: ')', opening_token: 37, has_leading_space: true },
    85. 

  85.   // CHECK:STDOUT:     { index: 53, kind:               'Semi', line: {{ *}}[[@LINE-2]], column:  4, indent: 3, spelling: ';' },
    86. 

  86. }
    87. 

  87. // CHECK:STDOUT:     { index: 54, kind:    'CloseCurlyBrace', line: {{ *}}[[@LINE-1]], column:  1, indent: 1, spelling: '}', opening_token: 5, has_leading_space: true },
    88. 

  88. 

  89. // CHECK:STDOUT:     { index: 55, kind:            'FileEnd', line: {{ *}}[[@LINE+1]], column: {{ *\d+}}, indent: 1, spelling: '', has_leading_space: true },
    90. 

  90. // CHECK:STDOUT:   ]
    91.