(*i $Id$ i*) (*i*) open Term open Pattern (*i*) (* Discrimination nets of terms. *) (* This module registers actions (typically tactics) mapped to patterns *) (* Patterns are stocked linearly as the list of its node in prefix order in such a way patterns having the same prefix have this common prefix shared and the seek for the action associated to the patterns that a term matches are found in time proportional to the maximal number of nodes of the patterns matching the term *) type 'a t val create : unit -> 'a t (* [add t (c,a)] adds to table [t] pattern [c] associated to action [act] *) val add : 'a t -> (constr_pattern * 'a) -> 'a t val rmv : 'a t -> (constr_pattern * 'a) -> 'a t (* [lookup t c] looks for patterns (with their action) matching term [c] *) val lookup : 'a t -> constr -> (constr_pattern * 'a) list val app : ((constr_pattern * 'a) -> unit) -> 'a t -> unit (*i*) (* These are for Nbtermdn *) val constr_pat_discr : constr_pattern -> (constr_label * constr_pattern list) option val constr_val_discr : constr -> (constr_label * constr list) option (*i*)