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Diffstat (limited to 'lexers/javascript.lua')
| -rw-r--r-- | lexers/javascript.lua | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/lexers/javascript.lua b/lexers/javascript.lua deleted file mode 100644 index f879948..0000000 --- a/lexers/javascript.lua +++ /dev/null @@ -1,64 +0,0 @@ --- Copyright 2006-2016 Mitchell mitchell.att.foicica.com. See LICENSE. --- JavaScript LPeg lexer. - -local l = require('lexer') -local token, word_match = l.token, l.word_match -local P, R, S = lpeg.P, lpeg.R, lpeg.S - -local M = {_NAME = 'javascript'} - --- Whitespace. -local ws = token(l.WHITESPACE, l.space^1) - --- Comments. -local line_comment = '//' * l.nonnewline_esc^0 -local block_comment = '/*' * (l.any - '*/')^0 * P('*/')^-1 -local comment = token(l.COMMENT, line_comment + block_comment) - --- Strings. -local sq_str = l.delimited_range("'") -local dq_str = l.delimited_range('"') -local template_str = l.delimited_range('`') -local regex_str = #P('/') * l.last_char_includes('+-*%^!=&|?:;,([{<>') * - l.delimited_range('/', true) * S('igm')^0 -local string = token(l.STRING, sq_str + dq_str + template_str) + - token(l.REGEX, regex_str) - --- Numbers. -local number = token(l.NUMBER, l.float + l.integer) - --- Keywords. -local keyword = token(l.KEYWORD, word_match{ - 'abstract', 'boolean', 'break', 'byte', 'case', 'catch', 'char', 'class', - 'const', 'continue', 'debugger', 'default', 'delete', 'do', 'double', 'else', - 'enum', 'export', 'extends', 'false', 'final', 'finally', 'float', 'for', - 'function', 'goto', 'if', 'implements', 'import', 'in', 'instanceof', 'int', - 'interface', 'let', 'long', 'native', 'new', 'null', 'of', 'package', - 'private', 'protected', 'public', 'return', 'short', 'static', 'super', - 'switch', 'synchronized', 'this', 'throw', 'throws', 'transient', 'true', - 'try', 'typeof', 'var', 'void', 'volatile', 'while', 'with', 'yield' -}) - --- Identifiers. -local identifier = token(l.IDENTIFIER, l.word) - --- Operators. -local operator = token(l.OPERATOR, S('+-/*%^!=&|?:;,.()[]{}<>')) - -M._rules = { - {'whitespace', ws}, - {'keyword', keyword}, - {'identifier', identifier}, - {'comment', comment}, - {'number', number}, - {'string', string}, - {'operator', operator}, -} - -M._foldsymbols = { - _patterns = {'[{}]', '/%*', '%*/', '//'}, - [l.OPERATOR] = {['{'] = 1, ['}'] = -1}, - [l.COMMENT] = {['/*'] = 1, ['*/'] = -1, ['//'] = l.fold_line_comments('//')} -} - -return M |
