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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

vala.lua (2156B)

    

  1. -- Copyright 2006-2024 Mitchell. See LICENSE.
  2. -- Vala 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('vala')
  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', 'errordomain', 'interface', 'namespace', 'signal', 'struct', 'using',
  16.   -- Modifiers.
  17.   'abstract', 'const', 'dynamic', 'extern', 'inline', 'out', 'override', 'private', 'protected',
  18.   'public', 'ref', 'static', 'virtual', 'volatile', 'weak',
  19.   -- Other.
  20.   'as', 'base', 'break', 'case', 'catch', 'construct', 'continue', 'default', 'delete', 'do',
  21.   'else', 'ensures', 'finally', 'for', 'foreach', 'get', 'if', 'in', 'is', 'lock', 'new',
  22.   'requires', 'return', 'set', 'sizeof', 'switch', 'this', 'throw', 'throws', 'try', 'typeof',
  23.   'value', 'var', 'void', 'while',
  24.   -- Etc.
  25.   'null', 'true', 'false'
  26. }))
  28. -- Types.
  29. lex:add_rule('type', token(lexer.TYPE, word_match{
  30.   'bool', 'char', 'double', 'float', 'int', 'int8', 'int16', 'int32', 'int64', 'long', 'short',
  31.   'size_t', 'ssize_t', 'string', 'uchar', 'uint', 'uint8', 'uint16', 'uint32', 'uint64', 'ulong',
  32.   'unichar', 'ushort'
  33. }))
  35. -- Identifiers.
  36. lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word))
  38. -- Strings.
  39. local sq_str = lexer.range("'", true)
  40. local dq_str = lexer.range('"', true)
  41. local tq_str = lexer.range('"""')
  42. local ml_str = '@' * lexer.range('"', false, false)
  43. lex:add_rule('string', token(lexer.STRING, tq_str + sq_str + dq_str + ml_str))
  45. -- Comments.
  46. local line_comment = lexer.to_eol('//', true)
  47. local block_comment = lexer.range('/*', '*/')
  48. lex:add_rule('comment', token(lexer.COMMENT, line_comment + block_comment))
  50. -- Numbers.
  51. lex:add_rule('number', token(lexer.NUMBER, lexer.number * S('uUlLfFdDmM')^-1))
  53. -- Operators.
  54. lex:add_rule('operator', token(lexer.OPERATOR, S('+-/*%<>!=^&|?~:;.()[]{}')))
  56. -- Fold points.
  57. lex:add_fold_point(lexer.OPERATOR, '{', '}')
  58. lex:add_fold_point(lexer.COMMENT, '/*', '*/')
  60. lexer.property['scintillua.comment'] = '//'
  62. return lex