allocr - allocator arg - argument cap - capacity ctx - context decl - declaration del - delete deref - dereference direct - directive eof - end of file err - error eval - evaluate evalr - evaluator expr - expression fn - function ident - identifier inc - include kw - keyword len - length nms - namespace num - number op - operator param - parameter ptr - pointer ret - return stmt - statement str - string tokr - tokenizer val - value