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| -- Copyright 2006-2018 Mitchell mitchell.att.foicica.com. See License.txt.
| -- Gettext LPeg lexer.
|
| local lexer = require('lexer')
| local token, word_match = lexer.token, lexer.word_match
| local P, R, S = lpeg.P, lpeg.R, lpeg.S
|
| local lex = lexer.new('gettext')
|
| -- Whitespace.
| lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1))
|
| -- Keywords.
| lex:add_rule('keyword', token(lexer.KEYWORD, word_match([[
| msgid msgid_plural msgstr fuzzy c-format no-c-format
| ]], true)))
|
| -- Identifiers.
| lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word))
|
| -- Variables.
| lex:add_rule('variable', token(lexer.VARIABLE, S('%$@') * lexer.word))
|
| -- Strings.
| lex:add_rule('string', token(lexer.STRING, lexer.delimited_range('"', true)))
|
| -- Comments.
| lex:add_rule('comment', token(lexer.COMMENT, '#' * S(': .~') *
| lexer.nonnewline^0))
|
| return lex
|
|
