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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

csharp.lua (2514B)

    

  1. -- Copyright 2006-2024 Mitchell. See LICENSE.
  2. -- C# LPeg lexer.
  4. local lexer = require('lexer')
  5. local token, word_match = lexer.token, lexer.word_match
  6. local P, S = lpeg.P, lpeg.S
  8. local lex = lexer.new('csharp')
  10. -- Whitespace.
  11. lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
  13. -- Keywords.
  14. lex:add_rule('keyword', token(lexer.KEYWORD, word_match{
  15.   'class', 'delegate', 'enum', 'event', 'interface', 'namespace', 'struct', 'using', 'abstract',
  16.   'const', 'explicit', 'extern', 'fixed', 'implicit', 'internal', 'lock', 'out', 'override',
  17.   'params', 'partial', 'private', 'protected', 'public', 'ref', 'sealed', 'static', 'readonly',
  18.   'unsafe', 'virtual', 'volatile', 'add', 'as', 'assembly', 'base', 'break', 'case', 'catch',
  19.   'checked', 'continue', 'default', 'do', 'else', 'finally', 'for', 'foreach', 'get', 'goto', 'if',
  20.   'in', 'is', 'new', 'remove', 'return', 'set', 'sizeof', 'stackalloc', 'super', 'switch', 'this',
  21.   'throw', 'try', 'typeof', 'unchecked', 'value', 'var', 'void', 'while', 'yield', 'null', 'true',
  22.   'false'
  23. }))
  25. -- Types.
  26. lex:add_rule('type', token(lexer.TYPE, word_match{
  27.   'bool', 'byte', 'char', 'decimal', 'double', 'float', 'int', 'long', 'object', 'operator',
  28.   'sbyte', 'short', 'string', 'uint', 'ulong', 'ushort'
  29. }))
  31. -- Identifiers.
  32. lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word))
  34. -- Comments.
  35. local line_comment = lexer.to_eol('//', true)
  36. local block_comment = lexer.range('/*', '*/')
  37. lex:add_rule('comment', token(lexer.COMMENT, line_comment + block_comment))
  39. -- Strings.
  40. local sq_str = lexer.range("'", true)
  41. local dq_str = lexer.range('"', true)
  42. local ml_str = P('@')^-1 * lexer.range('"', false, false)
  43. lex:add_rule('string', token(lexer.STRING, sq_str + dq_str + ml_str))
  45. -- Numbers.
  46. lex:add_rule('number', token(lexer.NUMBER, lexer.number * S('lLdDfFmM')^-1))
  48. -- Preprocessor.
  49. lex:add_rule('preprocessor', token(lexer.PREPROCESSOR, '#' * S('\t ')^0 *
  50.   word_match('define elif else endif error if line undef warning region endregion')))
  52. -- Operators.
  53. lex:add_rule('operator', token(lexer.OPERATOR, S('~!.,:;+-*/<>=\\^|&%?()[]{}')))
  55. -- Fold points.
  56. lex:add_fold_point(lexer.PREPROCESSOR, 'if', 'endif')
  57. lex:add_fold_point(lexer.PREPROCESSOR, 'ifdef', 'endif')
  58. lex:add_fold_point(lexer.PREPROCESSOR, 'ifndef', 'endif')
  59. lex:add_fold_point(lexer.PREPROCESSOR, 'region', 'endregion')
  60. lex:add_fold_point(lexer.OPERATOR, '{', '}')
  61. lex:add_fold_point(lexer.COMMENT, '/*', '*/')
  63. lexer.property['scintillua.comment'] = '//'
  65. return lex