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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

nemerle.lua (2407B)

    

  1. -- Copyright 2006-2024 Mitchell. See LICENSE.
  2. -- Nemerle 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('nemerle')
  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.   '_', 'abstract', 'and', 'array', 'as', 'base', 'catch', 'class', 'def', 'do', 'else', 'extends',
  16.   'extern', 'finally', 'foreach', 'for', 'fun', 'if', 'implements', 'in', 'interface', 'internal',
  17.   'lock', 'macro', 'match', 'module', 'mutable', 'namespace', 'new', 'out', 'override', 'params',
  18.   'private', 'protected', 'public', 'ref', 'repeat', 'sealed', 'static', 'struct', 'syntax', 'this',
  19.   'throw', 'try', 'type', 'typeof', 'unless', 'until', 'using', 'variant', 'virtual', 'when',
  20.   'where', 'while',
  21.   -- Values.
  22.   'null', 'true', 'false'
  23. }))
  25. -- Types.
  26. lex:add_rule('type', token(lexer.TYPE, word_match{
  27.   'bool', 'byte', 'char', 'decimal', 'double', 'float', 'int', 'list', 'long', 'object', 'sbyte',
  28.   'short', 'string', 'uint', 'ulong', 'ushort', 'void'
  29. }))
  31. -- Strings.
  32. local sq_str = P('L')^-1 * lexer.range("'", true)
  33. local dq_str = P('L')^-1 * lexer.range('"', true)
  34. lex:add_rule('string', token(lexer.STRING, sq_str + dq_str))
  36. -- Identifiers.
  37. lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word))
  39. -- Comments.
  40. local line_comment = lexer.to_eol('//', true)
  41. local block_comment = lexer.range('/*', '*/')
  42. lex:add_rule('comment', token(lexer.COMMENT, line_comment + block_comment))
  44. -- Numbers.
  45. lex:add_rule('number', token(lexer.NUMBER, lexer.number))
  47. -- Preprocessor.
  48. lex:add_rule('preproc', token(lexer.PREPROCESSOR, lexer.starts_line('#') * S('\t ')^0 * word_match{
  49.   'define', 'elif', 'else', 'endif', 'endregion', 'error', 'if', 'ifdef', 'ifndef', 'line',
  50.   'pragma', 'region', 'undef', 'using', 'warning'
  51. }))
  53. -- Operators.
  54. lex:add_rule('operator', token(lexer.OPERATOR, S('+-/*%<>!=^&|?~:;.()[]{}')))
  56. -- Fold points.
  57. lex:add_fold_point(lexer.PREPROCESSOR, 'region', 'endregion')
  58. lex:add_fold_point(lexer.PREPROCESSOR, 'if', 'endif')
  59. lex:add_fold_point(lexer.PREPROCESSOR, 'ifdef', 'endif')
  60. lex:add_fold_point(lexer.PREPROCESSOR, 'ifndef', 'endif')
  61. lex:add_fold_point(lexer.OPERATOR, '{', '}')
  62. lex:add_fold_point(lexer.COMMENT, '/*', '*/')
  64. lexer.property['scintillua.comment'] = '//'
  66. return lex