fix: modernize mediawiki lexer

References: orbitalquark#76

lexers/mediawiki.lua

@@ -8,35 +8,35 @@ local P, S, B = lpeg.P, lpeg.S, lpeg.B
 
 local lex = lexer.new(...)
 
--- Comments.
-lex:add_rule('comment', token(lexer.COMMENT, lexer.range('<!--', '-->')))
-
 -- HTML-like tags
-local tag_start = token(lexer.TAG, '<' * P('/')^-1 * lexer.alnum^1 * lexer.space^0)
+local tag_start = lex:tag(lexer.TAG, '<' * P('/')^-1 * lexer.alnum^1 * lexer.space^0)
 local dq_str = '"' * ((lexer.any - S('>"\\')) + ('\\' * lexer.any))^0 * '"'
-local tag_attr = token(lexer.ATTRIBUTE, lexer.alpha^1 * lexer.space^0 *
+local tag_attr = lex:tag(lexer.ATTRIBUTE, lexer.alpha^1 * lexer.space^0 *
 	('=' * lexer.space^0 * (dq_str + (lexer.any - lexer.space - '>')^0)^-1)^0 * lexer.space^0)
-local tag_end = token(lexer.TAG, P('/')^-1 * '>')
+local tag_end = lex:tag(lexer.TAG, P('/')^-1 * '>')
 lex:add_rule('tag', tag_start * tag_attr^0 * tag_end)
 
 -- Link
-lex:add_rule('link', token(lexer.STRING, S('[]')))
-lex:add_rule('internal_link', B('[[') * token(lexer.LINK, (lexer.any - '|' - ']]')^1))
+lex:add_rule('link', lex:tag(lexer.STRING, S('[]')))
+lex:add_rule('internal_link', B('[[') * lex:tag(lexer.LINK, (lexer.any - '|' - ']]')^1))
 
 -- Templates and parser functions.
-lex:add_rule('template', token(lexer.OPERATOR, S('{}')))
+lex:add_rule('template', lex:tag(lexer.OPERATOR, S('{}')))
 lex:add_rule('parser_func',
-	B('{{') * token(lexer.FUNCTION, '#' * lexer.alpha^1 + lexer.upper^1 * ':'))
-lex:add_rule('template_name', B('{{') * token(lexer.LINK, (lexer.any - S('{}|'))^1))
+	B('{{') * lex:tag(lexer.FUNCTION, '#' * lexer.alpha^1 + lexer.upper^1 * ':'))
+lex:add_rule('template_name', B('{{') * lex:tag(lexer.LINK, (lexer.any - S('{}|'))^1))
 
 -- Operators.
-lex:add_rule('operator', token(lexer.OPERATOR, S('-=|#~!')))
+lex:add_rule('operator', lex:tag(lexer.OPERATOR, S('-=|#~!')))
 
 -- Behavior switches
 local start_pat = P(function(_, pos) return pos == 1 end)
-lex:add_rule('behavior_switch', (B(lexer.space) + start_pat) * token('behavior_switch', word_match(
-	'__TOC__ __FORCETOC__ __NOTOC__ __NOEDITSECTION__ __NOCC__ __NOINDEX__')) * #lexer.space)
-lex:add_style('behavior_switch', lexer.styles.keyword)
+lex:add_rule('behavior_switch', ((B(lexer.space) + start_pat) * lex:word_match('behavior_switch') * #lexer.space))
+lex:set_word_list('behavior_switch',
+	{'__TOC__', '__FORCETOC__', '__NOTOC__', '__NOEDITSECTION__', '__NOCC__', '__NOINDEX__'})
+
+-- Comments.
+lex:add_rule('comment', lex:tag(lexer.COMMENT, lexer.range('<!--', '-->')))
 
 lexer.property['scintillua.comment'] = '<!--|-->'
 lexer.property['scintillua.angle.braces'] = '1'