thanks - found it was also yacc at one time: http://stackoverflow.com/questions/2646312/language-parsers/2647234#2647234 http://stackoverflow.com/questions/2646

thanks - found it was also yacc at one time: http://stackoverflow.com/questions/2646312/language-parsers/2647234#2647234 http://stackoverflow.com/questions/2646312/language-parsers/... Here's the spec itself: https://github.com/Ruby/Ruby/blob/trunk/parse.y https://github.com/Ruby/Ruby/blob/trunk/parse.y