lexer grammar t025lexerRulePropertyRef; options { language = Python3; } @lexer::init { self.properties = [] } IDENTIFIER: ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'0'..'9'|'_')* { self.properties.append( ($text, $type, $line, $pos, $index, $channel, $start, $stop) ) } ; WS: (' ' | '\n')+;