Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/pygments/lexers/j.py: 100%

1""" 

2 pygments.lexers.j 

3 ~~~~~~~~~~~~~~~~~ 

4 

5 Lexer for the J programming language. 

6 

7 :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS. 

8 :license: BSD, see LICENSE for details. 

9""" 

10 

11from pygments.lexer import RegexLexer, words, include, bygroups 

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

13 Punctuation, String, Whitespace 

14 

15__all__ = ['JLexer'] 

16 

17 

18class JLexer(RegexLexer): 

19 """ 

20 For J source code. 

21 """ 

22 

23 name = 'J' 

24 url = 'http://jsoftware.com/' 

25 aliases = ['j'] 

26 filenames = ['*.ijs'] 

27 mimetypes = ['text/x-j'] 

28 version_added = '2.1' 

29 

30 validName = r'\b[a-zA-Z]\w*' 

31 

32 tokens = { 

33 'root': [ 

34 # Shebang script 

35 (r'#!.*$', Comment.Preproc), 

36 

37 # Comments 

38 (r'NB\..*', Comment.Single), 

39 (r'(\n+\s*)(Note)', bygroups(Whitespace, Comment.Multiline), 

40 'comment'), 

41 (r'(\s*)(Note.*)', bygroups(Whitespace, Comment.Single)), 

42 

43 # Whitespace 

44 (r'\s+', Whitespace), 

45 

46 # Strings 

47 (r"'", String, 'singlequote'), 

48 

49 # Definitions 

50 (r'0\s+:\s*0', Name.Entity, 'nounDefinition'), 

51 (r'(noun)(\s+)(define)(\s*)$', bygroups(Name.Entity, Whitespace, 

52 Name.Entity, Whitespace), 'nounDefinition'), 

53 (r'([1-4]|13)\s+:\s*0\b', 

54 Name.Function, 'explicitDefinition'), 

55 (r'(adverb|conjunction|dyad|monad|verb)(\s+)(define)\b', 

56 bygroups(Name.Function, Whitespace, Name.Function), 

57 'explicitDefinition'), 

58 

59 # Flow Control 

60 (words(('for_', 'goto_', 'label_'), suffix=validName+r'\.'), Name.Label), 

61 (words(( 

62 'assert', 'break', 'case', 'catch', 'catchd', 

63 'catcht', 'continue', 'do', 'else', 'elseif', 

64 'end', 'fcase', 'for', 'if', 'return', 

65 'select', 'throw', 'try', 'while', 'whilst', 

66 ), suffix=r'\.'), Name.Label), 

67 

68 # Variable Names 

69 (validName, Name.Variable), 

70 

71 # Standard Library 

72 (words(( 

73 'ARGV', 'CR', 'CRLF', 'DEL', 'Debug', 

74 'EAV', 'EMPTY', 'FF', 'JVERSION', 'LF', 

75 'LF2', 'Note', 'TAB', 'alpha17', 'alpha27', 

76 'apply', 'bind', 'boxopen', 'boxxopen', 'bx', 

77 'clear', 'cutLF', 'cutopen', 'datatype', 'def', 

78 'dfh', 'drop', 'each', 'echo', 'empty', 

79 'erase', 'every', 'evtloop', 'exit', 'expand', 

80 'fetch', 'file2url', 'fixdotdot', 'fliprgb', 'getargs', 

81 'getenv', 'hfd', 'inv', 'inverse', 'iospath', 

82 'isatty', 'isutf8', 'items', 'leaf', 'list', 

83 'nameclass', 'namelist', 'names', 'nc', 

84 'nl', 'on', 'pick', 'rows', 

85 'script', 'scriptd', 'sign', 'sminfo', 'smoutput', 

86 'sort', 'split', 'stderr', 'stdin', 'stdout', 

87 'table', 'take', 'timespacex', 'timex', 'tmoutput', 

88 'toCRLF', 'toHOST', 'toJ', 'tolower', 'toupper', 

89 'type', 'ucp', 'ucpcount', 'usleep', 'utf8', 

90 'uucp', 

91 )), Name.Function), 

92 

93 # Copula 

94 (r'=[.:]', Operator), 

95 

96 # Builtins 

97 (r'[-=+*#$%@!~`^&";:.,<>{}\[\]\\|/?]', Operator), 

98 

99 # Short Keywords 

100 (r'[abCdDeEfHiIjLMoprtT]\.', Keyword.Reserved), 

101 (r'[aDiLpqsStux]\:', Keyword.Reserved), 

102 (r'(_[0-9])\:', Keyword.Constant), 

103 

104 # Parens 

105 (r'\(', Punctuation, 'parentheses'), 

106 

107 # Numbers 

108 include('numbers'), 

109 ], 

110 

111 'comment': [ 

112 (r'[^)]', Comment.Multiline), 

113 (r'^\)', Comment.Multiline, '#pop'), 

114 (r'[)]', Comment.Multiline), 

115 ], 

116 

117 'explicitDefinition': [ 

118 (r'\b[nmuvxy]\b', Name.Decorator), 

119 include('root'), 

120 (r'[^)]', Name), 

121 (r'^\)', Name.Label, '#pop'), 

122 (r'[)]', Name), 

123 ], 

124 

125 'numbers': [ 

126 (r'\b_{1,2}\b', Number), 

127 (r'_?\d+(\.\d+)?(\s*[ejr]\s*)_?\d+(\.?=\d+)?', Number), 

128 (r'_?\d+\.(?=\d+)', Number.Float), 

129 (r'_?\d+x', Number.Integer.Long), 

130 (r'_?\d+', Number.Integer), 

131 ], 

132 

133 'nounDefinition': [ 

134 (r'[^)]+', String), 

135 (r'^\)', Name.Label, '#pop'), 

136 (r'[)]', String), 

137 ], 

138 

139 'parentheses': [ 

140 (r'\)', Punctuation, '#pop'), 

141 # include('nounDefinition'), 

142 include('explicitDefinition'), 

143 include('root'), 

144 ], 

145 

146 'singlequote': [ 

147 (r"[^']+", String), 

148 (r"''", String), 

149 (r"'", String, '#pop'), 

150 ], 

151 }