Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/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 2006-2023 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 .. versionadded:: 2.1 

23 """ 

24 

25 name = 'J' 

26 url = 'http://jsoftware.com/' 

27 aliases = ['j'] 

28 filenames = ['*.ijs'] 

29 mimetypes = ['text/x-j'] 

30 

31 validName = r'\b[a-zA-Z]\w*' 

32 

33 tokens = { 

34 'root': [ 

35 # Shebang script 

36 (r'#!.*$', Comment.Preproc), 

37 

38 # Comments 

39 (r'NB\..*', Comment.Single), 

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

41 'comment'), 

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

43 

44 # Whitespace 

45 (r'\s+', Whitespace), 

46 

47 # Strings 

48 (r"'", String, 'singlequote'), 

49 

50 # Definitions 

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

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

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

54 (r'([1-4]|13)\s+:\s*0\b', 

55 Name.Function, 'explicitDefinition'), 

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

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

58 'explicitDefinition'), 

59 

60 # Flow Control 

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

62 (words(( 

63 'assert', 'break', 'case', 'catch', 'catchd', 

64 'catcht', 'continue', 'do', 'else', 'elseif', 

65 'end', 'fcase', 'for', 'if', 'return', 

66 'select', 'throw', 'try', 'while', 'whilst', 

67 ), suffix=r'\.'), Name.Label), 

68 

69 # Variable Names 

70 (validName, Name.Variable), 

71 

72 # Standard Library 

73 (words(( 

74 'ARGV', 'CR', 'CRLF', 'DEL', 'Debug', 

75 'EAV', 'EMPTY', 'FF', 'JVERSION', 'LF', 

76 'LF2', 'Note', 'TAB', 'alpha17', 'alpha27', 

77 'apply', 'bind', 'boxopen', 'boxxopen', 'bx', 

78 'clear', 'cutLF', 'cutopen', 'datatype', 'def', 

79 'dfh', 'drop', 'each', 'echo', 'empty', 

80 'erase', 'every', 'evtloop', 'exit', 'expand', 

81 'fetch', 'file2url', 'fixdotdot', 'fliprgb', 'getargs', 

82 'getenv', 'hfd', 'inv', 'inverse', 'iospath', 

83 'isatty', 'isutf8', 'items', 'leaf', 'list', 

84 'nameclass', 'namelist', 'names', 'nc', 

85 'nl', 'on', 'pick', 'rows', 

86 'script', 'scriptd', 'sign', 'sminfo', 'smoutput', 

87 'sort', 'split', 'stderr', 'stdin', 'stdout', 

88 'table', 'take', 'timespacex', 'timex', 'tmoutput', 

89 'toCRLF', 'toHOST', 'toJ', 'tolower', 'toupper', 

90 'type', 'ucp', 'ucpcount', 'usleep', 'utf8', 

91 'uucp', 

92 )), Name.Function), 

93 

94 # Copula 

95 (r'=[.:]', Operator), 

96 

97 # Builtins 

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

99 

100 # Short Keywords 

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

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

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

104 

105 # Parens 

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

107 

108 # Numbers 

109 include('numbers'), 

110 ], 

111 

112 'comment': [ 

113 (r'[^)]', Comment.Multiline), 

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

115 (r'[)]', Comment.Multiline), 

116 ], 

117 

118 'explicitDefinition': [ 

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

120 include('root'), 

121 (r'[^)]', Name), 

122 (r'^\)', Name.Label, '#pop'), 

123 (r'[)]', Name), 

124 ], 

125 

126 'numbers': [ 

127 (r'\b_{1,2}\b', Number), 

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

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

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

131 (r'_?\d+', Number.Integer), 

132 ], 

133 

134 'nounDefinition': [ 

135 (r'[^)]+', String), 

136 (r'^\)', Name.Label, '#pop'), 

137 (r'[)]', String), 

138 ], 

139 

140 'parentheses': [ 

141 (r'\)', Punctuation, '#pop'), 

142 # include('nounDefinition'), 

143 include('explicitDefinition'), 

144 include('root'), 

145 ], 

146 

147 'singlequote': [ 

148 (r"[^']+", String), 

149 (r"''", String), 

150 (r"'", String, '#pop'), 

151 ], 

152 }