Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/pygments/lexers/meson.py: 100%

1""" 

2 pygments.lexers.meson 

3 ~~~~~~~~~~~~~~~~~~~~~ 

4 

5 Pygments lexer for the Meson build system 

6 

7 :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS. 

8 :license: BSD, see LICENSE for details. 

9""" 

10 

11from pygments.lexer import RegexLexer, words, include 

12from pygments.token import Comment, Name, Number, Punctuation, Operator, \ 

13 Keyword, String, Whitespace 

14 

15__all__ = ['MesonLexer'] 

16 

17 

18class MesonLexer(RegexLexer): 

19 """Meson language lexer. 

20 

21 The grammar definition use to transcribe the syntax was retrieved from 

22 https://mesonbuild.com/Syntax.html#grammar for version 0.58. 

23 Some of those definitions are improperly transcribed, so the Meson++ 

24 implementation was also checked: https://github.com/dcbaker/meson-plus-plus. 

25 

26 .. versionadded:: 2.10 

27 """ 

28 

29 # TODO String interpolation @VARNAME@ inner matches 

30 # TODO keyword_arg: value inner matches 

31 

32 name = 'Meson' 

33 url = 'https://mesonbuild.com/' 

34 aliases = ['meson', 'meson.build'] 

35 filenames = ['meson.build', 'meson_options.txt'] 

36 mimetypes = ['text/x-meson'] 

37 

38 tokens = { 

39 'root': [ 

40 (r'#.*?$', Comment), 

41 (r"'''.*'''", String.Single), 

42 (r'[1-9][0-9]*', Number.Integer), 

43 (r'0o[0-7]+', Number.Oct), 

44 (r'0x[a-fA-F0-9]+', Number.Hex), 

45 include('string'), 

46 include('keywords'), 

47 include('expr'), 

48 (r'[a-zA-Z_][a-zA-Z_0-9]*', Name), 

49 (r'\s+', Whitespace), 

50 ], 

51 'string': [ 

52 (r"[']{3}([']{0,2}([^\\']|\\(.|\n)))*[']{3}", String), 

53 (r"'.*?(?<!\\)(\\\\)*?'", String), 

54 ], 

55 'keywords': [ 

56 (words(( 

57 'if', 

58 'elif', 

59 'else', 

60 'endif', 

61 'foreach', 

62 'endforeach', 

63 'break', 

64 'continue', 

65 ), 

66 suffix=r'\b'), Keyword), 

67 ], 

68 'expr': [ 

69 (r'(in|and|or|not)\b', Operator.Word), 

70 (r'(\*=|/=|%=|\+]=|-=|==|!=|\+|-|=)', Operator), 

71 (r'[\[\]{}:().,?]', Punctuation), 

72 (words(('true', 'false'), suffix=r'\b'), Keyword.Constant), 

73 include('builtins'), 

74 (words(( 

75 'meson', 

76 'build_machine', 

77 'host_machine', 

78 'target_machine', 

79 ), 

80 suffix=r'\b'), Name.Variable.Magic), 

81 ], 

82 'builtins': [ 

83 # This list was extracted from the v0.58 reference manual 

84 (words(( 

85 'add_global_arguments', 

86 'add_global_link_arguments', 

87 'add_languages', 

88 'add_project_arguments', 

89 'add_project_link_arguments', 

90 'add_test_setup', 

91 'assert', 

92 'benchmark', 

93 'both_libraries', 

94 'build_target', 

95 'configuration_data', 

96 'configure_file', 

97 'custom_target', 

98 'declare_dependency', 

99 'dependency', 

100 'disabler', 

101 'environment', 

102 'error', 

103 'executable', 

104 'files', 

105 'find_library', 

106 'find_program', 

107 'generator', 

108 'get_option', 

109 'get_variable', 

110 'include_directories', 

111 'install_data', 

112 'install_headers', 

113 'install_man', 

114 'install_subdir', 

115 'is_disabler', 

116 'is_variable', 

117 'jar', 

118 'join_paths', 

119 'library', 

120 'message', 

121 'project', 

122 'range', 

123 'run_command', 

124 'set_variable', 

125 'shared_library', 

126 'shared_module', 

127 'static_library', 

128 'subdir', 

129 'subdir_done', 

130 'subproject', 

131 'summary', 

132 'test', 

133 'vcs_tag', 

134 'warning', 

135 ), 

136 prefix=r'(?<!\.)', 

137 suffix=r'\b'), Name.Builtin), 

138 (r'(?<!\.)import\b', Name.Namespace), 

139 ], 

140 }