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

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// CHECK:STDOUT: - filename: numeric_literals.carbon
// CHECK:STDOUT:   tokens: [
// CHECK:STDOUT:     { index:  0, kind:          'FileStart', line: {{ *\d+}}, column:  1, indent: 1, spelling: '', has_trailing_space: true },

fn F() {
// CHECK:STDOUT:     { index:  1, kind:                 'Fn', line: {{ *}}[[@LINE-1]], column:  1, indent: 1, spelling: 'fn', has_trailing_space: true },
// CHECK:STDOUT:     { index:  2, kind:         'Identifier', line: {{ *}}[[@LINE-2]], column:  4, indent: 1, spelling: 'F', identifier: 0 },
// CHECK:STDOUT:     { index:  3, kind:          'OpenParen', line: {{ *}}[[@LINE-3]], column:  5, indent: 1, spelling: '(', closing_token: 4 },
// CHECK:STDOUT:     { index:  4, kind:         'CloseParen', line: {{ *}}[[@LINE-4]], column:  6, indent: 1, spelling: ')', opening_token: 3, has_trailing_space: true },
// CHECK:STDOUT:     { index:  5, kind:     'OpenCurlyBrace', line: {{ *}}[[@LINE-5]], column:  8, indent: 1, spelling: '{', closing_token: 54, has_trailing_space: true },
  // 8 and 9 trigger special behavior in APInt when mishandling signed versus
  // unsigned, so we pay extra attention to those.
  var ints: [i32; 5] = (
  // CHECK:STDOUT:     { index:  6, kind:                'Var', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: 'var', has_trailing_space: true },
  // CHECK:STDOUT:     { index:  7, kind:         'Identifier', line: {{ *}}[[@LINE-2]], column:  7, indent: 3, spelling: 'ints', identifier: 1 },
  // CHECK:STDOUT:     { index:  8, kind:              'Colon', line: {{ *}}[[@LINE-3]], column: 11, indent: 3, spelling: ':', has_trailing_space: true },
  // CHECK:STDOUT:     { index:  9, kind:  'OpenSquareBracket', line: {{ *}}[[@LINE-4]], column: 13, indent: 3, spelling: '[', closing_token: 13 },
  // CHECK:STDOUT:     { index: 10, kind:     'IntTypeLiteral', line: {{ *}}[[@LINE-5]], column: 14, indent: 3, spelling: 'i32' },
  // CHECK:STDOUT:     { index: 11, kind:               'Semi', line: {{ *}}[[@LINE-6]], column: 17, indent: 3, spelling: ';', has_trailing_space: true },
  // CHECK:STDOUT:     { index: 12, kind:         'IntLiteral', line: {{ *}}[[@LINE-7]], column: 19, indent: 3, spelling: '5', value: `5` },
  // CHECK:STDOUT:     { index: 13, kind: 'CloseSquareBracket', line: {{ *}}[[@LINE-8]], column: 20, indent: 3, spelling: ']', opening_token: 9, has_trailing_space: true },
  // CHECK:STDOUT:     { index: 14, kind:              'Equal', line: {{ *}}[[@LINE-9]], column: 22, indent: 3, spelling: '=', has_trailing_space: true },
  // CHECK:STDOUT:     { index: 15, kind:          'OpenParen', line: {{ *}}[[@LINE-10]], column: 24, indent: 3, spelling: '(', closing_token: 26, has_trailing_space: true },
    8,
    // CHECK:STDOUT:     { index: 16, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '8', value: `8` },
    // CHECK:STDOUT:     { index: 17, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  6, indent: 5, spelling: ',', has_trailing_space: true },
    9,
    // CHECK:STDOUT:     { index: 18, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '9', value: `9` },
    // CHECK:STDOUT:     { index: 19, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  6, indent: 5, spelling: ',', has_trailing_space: true },
    0x8,
    // CHECK:STDOUT:     { index: 20, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '0x8', value: `8` },
    // CHECK:STDOUT:     { index: 21, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  8, indent: 5, spelling: ',', has_trailing_space: true },
    0b1000,
    // CHECK:STDOUT:     { index: 22, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '0b1000', value: `8` },
    // CHECK:STDOUT:     { index: 23, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 11, indent: 5, spelling: ',', has_trailing_space: true },
    39999999999999999993,
    // CHECK:STDOUT:     { index: 24, kind:         'IntLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '39999999999999999993', value: `39999999999999999993` },
    // CHECK:STDOUT:     { index: 25, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 25, indent: 5, spelling: ',', has_trailing_space: true },
  );
  // CHECK:STDOUT:     { index: 26, kind:         'CloseParen', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: ')', opening_token: 15 },
  // CHECK:STDOUT:     { index: 27, kind:               'Semi', line: {{ *}}[[@LINE-2]], column:  4, indent: 3, spelling: ';', has_trailing_space: true },
  var floats: [f64; 7] = (
  // CHECK:STDOUT:     { index: 28, kind:                'Var', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: 'var', has_trailing_space: true },
  // CHECK:STDOUT:     { index: 29, kind:         'Identifier', line: {{ *}}[[@LINE-2]], column:  7, indent: 3, spelling: 'floats', identifier: 2 },
  // CHECK:STDOUT:     { index: 30, kind:              'Colon', line: {{ *}}[[@LINE-3]], column: 13, indent: 3, spelling: ':', has_trailing_space: true },
  // CHECK:STDOUT:     { index: 31, kind:  'OpenSquareBracket', line: {{ *}}[[@LINE-4]], column: 15, indent: 3, spelling: '[', closing_token: 35 },
  // CHECK:STDOUT:     { index: 32, kind:   'FloatTypeLiteral', line: {{ *}}[[@LINE-5]], column: 16, indent: 3, spelling: 'f64' },
  // CHECK:STDOUT:     { index: 33, kind:               'Semi', line: {{ *}}[[@LINE-6]], column: 19, indent: 3, spelling: ';', has_trailing_space: true },
  // CHECK:STDOUT:     { index: 34, kind:         'IntLiteral', line: {{ *}}[[@LINE-7]], column: 21, indent: 3, spelling: '7', value: `7` },
  // CHECK:STDOUT:     { index: 35, kind: 'CloseSquareBracket', line: {{ *}}[[@LINE-8]], column: 22, indent: 3, spelling: ']', opening_token: 31, has_trailing_space: true },
  // CHECK:STDOUT:     { index: 36, kind:              'Equal', line: {{ *}}[[@LINE-9]], column: 24, indent: 3, spelling: '=', has_trailing_space: true },
  // CHECK:STDOUT:     { index: 37, kind:          'OpenParen', line: {{ *}}[[@LINE-10]], column: 26, indent: 3, spelling: '(', closing_token: 52, has_trailing_space: true },
    0.9,
    // CHECK:STDOUT:     { index: 38, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '0.9', value: `9*10^-1` },
    // CHECK:STDOUT:     { index: 39, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  8, indent: 5, spelling: ',', has_trailing_space: true },
    8.0,
    // CHECK:STDOUT:     { index: 40, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '8.0', value: `80*10^-1` },
    // CHECK:STDOUT:     { index: 41, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  8, indent: 5, spelling: ',', has_trailing_space: true },
    80.0,
    // CHECK:STDOUT:     { index: 42, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '80.0', value: `800*10^-1` },
    // CHECK:STDOUT:     { index: 43, kind:              'Comma', line: {{ *}}[[@LINE-2]], column:  9, indent: 5, spelling: ',', has_trailing_space: true },
    1.0e7,
    // CHECK:STDOUT:     { index: 44, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '1.0e7', value: `10*10^6` },
    // CHECK:STDOUT:     { index: 45, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 10, indent: 5, spelling: ',', has_trailing_space: true },
    1.0e8,
    // CHECK:STDOUT:     { index: 46, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '1.0e8', value: `10*10^7` },
    // CHECK:STDOUT:     { index: 47, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 10, indent: 5, spelling: ',', has_trailing_space: true },
    1.0e-8,
    // CHECK:STDOUT:     { index: 48, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '1.0e-8', value: `10*10^-9` },
    // CHECK:STDOUT:     { index: 49, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 11, indent: 5, spelling: ',', has_trailing_space: true },
    39999999999999999993.0e39999999999999999993,
    // CHECK:STDOUT:     { index: 50, kind:        'RealLiteral', line: {{ *}}[[@LINE-1]], column:  5, indent: 5, spelling: '39999999999999999993.0e39999999999999999993', value: `399999999999999999930*10^39999999999999999992` },
    // CHECK:STDOUT:     { index: 51, kind:              'Comma', line: {{ *}}[[@LINE-2]], column: 48, indent: 5, spelling: ',', has_trailing_space: true },
  );
  // CHECK:STDOUT:     { index: 52, kind:         'CloseParen', line: {{ *}}[[@LINE-1]], column:  3, indent: 3, spelling: ')', opening_token: 37 },
  // CHECK:STDOUT:     { index: 53, kind:               'Semi', line: {{ *}}[[@LINE-2]], column:  4, indent: 3, spelling: ';', has_trailing_space: true },
}
// CHECK:STDOUT:     { index: 54, kind:    'CloseCurlyBrace', line: {{ *}}[[@LINE-1]], column:  1, indent: 1, spelling: '}', opening_token: 5, has_trailing_space: true },

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