IncrementalEngine.INSPECTIONtype item = production * intval compare_nonterminals : 'a nonterminal -> 'b nonterminal -> intval compare_productions : production -> production -> intval lhs : production -> xsymbolval rhs : production -> xsymbol listval nullable : 'a nonterminal -> boolval first : 'a nonterminal -> 'b terminal -> boolval foreach_terminal : (xsymbol -> 'a -> 'a) -> 'a -> 'aval foreach_terminal_but_error : (xsymbol -> 'a -> 'a) -> 'a -> 'a