diff options
Diffstat (limited to 'lua/lexers/routeros.lua')
| -rw-r--r-- | lua/lexers/routeros.lua | 143 |
1 files changed, 43 insertions, 100 deletions
diff --git a/lua/lexers/routeros.lua b/lua/lexers/routeros.lua index 7544393..f301e8b 100644 --- a/lua/lexers/routeros.lua +++ b/lua/lexers/routeros.lua @@ -1,116 +1,59 @@ --- Copyright 2020 Christian Hesse +-- Copyright 2020-2022 Christian Hesse. See LICENSE. -- Mikrotik RouterOS script 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 lexer = require('lexer') +local token, word_match = lexer.token, lexer.word_match +local P, S = lpeg.P, lpeg.S -local M = {_NAME = 'routeros'} +local lex = lexer.new('routeros') -- Whitespace. -local ws = token(l.WHITESPACE, l.space^1) +lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1)) --- Comments. -local comment = token(l.COMMENT, '#' * l.nonnewline^0) +-- Keywords. +lex:add_rule('keyword', token(lexer.KEYWORD, word_match{ + -- Control. + ':delay', ':do', 'on-error', 'while', ':error', ':foreach', 'in', 'do', ':for', 'from', 'to', + 'step', ':if', 'do', 'else', ':return', ':while', 'do', + -- Menu specific commands. + 'add', 'disable', 'edit', 'enable', 'export', 'find', 'get', 'info', 'monitor', 'print', 'append', + 'as-value', 'brief', 'count-only', 'detail', 'file', 'follow', 'follow-only', 'from', 'interval', + 'terse', 'value-list', 'where', 'without-paging', 'remove', 'set', + -- Output & string handling. + ':beep', ':blink', ':environment', ':execute', ':find', ':len', ':log', 'alert', 'critical', + 'debug', 'emergency', 'error', 'info', 'notice', 'warning', ':parse', ':pick', ':put', + ':terminal', ':time', ':typeof', + -- Variable declaration. + ':global', ':local', ':set', + -- Variable casting. + ':toarray', ':tobool', ':toid', ':toip', ':toip6', ':tonum', ':tostr', ':totime', + -- Boolean values and logical operators. + 'false', 'no', 'true', 'yes', 'and', 'in', 'or', + -- Networking. + ':ping', ':resolve' +})) --- Strings. -local string = token(l.STRING, l.delimited_range('"')) +-- Identifiers. +lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word)) --- Numbers. -local number = token(l.NUMBER, l.float + l.integer) +-- Comments. +lex:add_rule('comment', token(lexer.COMMENT, lexer.to_eol('#'))) --- Keywords. -local keyword = token(l.KEYWORD, word_match({ - -- control - ':delay', - ':do', 'on-error', 'while', - ':error', - ':foreach', 'in', 'do', - ':for', 'from', 'to', 'step', - ':if', 'do', 'else', - ':return', - ':while', 'do', - -- menu specific commands - 'add', - 'disable', - 'edit', - 'enable', - 'export', - 'find', - 'get', - 'info', - 'monitor', - 'print', 'append', 'as-value', 'brief', 'count-only', 'detail', 'file', - 'follow', 'follow-only', 'from', 'interval', 'terse', 'value-list', - 'where', 'without-paging', - 'remove', - 'set', - -- output & string handling - ':beep', - ':blink', - ':environment', - ':execute', - ':find', - ':len', - ':log', 'alert', 'critical', 'debug', 'emergency', 'error', 'info', - 'notice', 'warning', - ':parse', - ':pick', - ':put', - ':terminal', - ':time', - ':typeof', - -- variable declaration - ':global', - ':local', - ':set', - -- variable casting - ':toarray', - ':tobool', - ':toid', - ':toip', - ':toip6', - ':tonum', - ':tostr', - ':totime', - -- boolean values and logical operators - 'false', 'no', - 'true', 'yes', - 'and', - 'in', - 'or', - -- networking - ':ping', - ':resolve' -}, ':-')) +-- Numbers. +lex:add_rule('number', token(lexer.NUMBER, lexer.number)) --- Identifiers. -local identifier = token(l.IDENTIFIER, l.word) +-- Strings. +lex:add_rule('string', token(lexer.STRING, lexer.range('"'))) -- Variables. -local variable = token(l.VARIABLE, - '$' * (S('!#?*@$') + l.digit^1 + l.word + - l.delimited_range('{}', true, true, true))) +lex:add_rule('variable', token(lexer.VARIABLE, '$' * + (S('!#?*@$') + lexer.digit^1 + lexer.word + lexer.range('{', '}', true, false, true)))) -- Operators. -local operator = token(l.OPERATOR, S('=!%<>+-/*&|~.,;()[]{}')) - -M._rules = { - {'whitespace', ws}, - {'keyword', keyword}, - {'identifier', identifier}, - {'string', string}, - {'comment', comment}, - {'number', number}, - {'variable', variable}, - {'operator', operator}, -} +lex:add_rule('operator', token(lexer.OPERATOR, S('=!%<>+-/*&|~.,;()[]{}'))) -M._foldsymbols = { - _patterns = {'[a-z]+', '[{}]', '#'}, - [l.KEYWORD] = { }, - [l.OPERATOR] = {['{'] = 1, ['}'] = -1}, - [l.COMMENT] = {['#'] = l.fold_line_comments('#')} -} +-- Fold points. +lex:add_fold_point(lexer.OPERATOR, '{', '}') +lex:add_fold_point(lexer.COMMENT, lexer.fold_consecutive_lines('#')) -return M +return lex |
