exception AssertFailure of string Lazy.t;;
val unify :
- NRstatus.refiner_status ->
+ #NRstatus.status ->
?test_eq_only:bool -> (* default: false *)
+ ?swap:bool -> (* default: false *)
NCic.metasenv -> NCic.substitution -> NCic.context ->
NCic.term -> NCic.term ->
NCic.metasenv * NCic.substitution
-(*
-exception UnificationFailure of string Lazy.t;;
-exception Uncertain of string Lazy.t;;
-exception AssertFailure of string Lazy.t;;
+(* this should be moved elsewhere *)
+val fix_sorts:
+ NCic.metasenv -> NCic.substitution ->
+ NCic.term -> NCic.metasenv * NCic.term
-(* fo_unif metasenv context t1 t2 *)
-(* unifies [t1] and [t2] in a context [context]. *)
-(* Only the metavariables declared in [metasenv] *)
-(* can be used in [t1] and [t2]. *)
-(* The returned substitution can be directly *)
-(* withouth first unwinding it. *)
-val fo_unif :
- Cic.metasenv -> Cic.context ->
- Cic.term -> Cic.term -> CicUniv.universe_graph ->
- Cic.substitution * Cic.metasenv * CicUniv.universe_graph
+(* delift_type_wrt_terms st m s c t args
+ * lift t (length args)
+ * [ rel 1 ... rel (len args) / lift (length args) (arg_1 .. arg_n) ]
+ *)
+val delift_type_wrt_terms:
+ #NRstatus.status ->
+ NCic.metasenv -> NCic.substitution -> NCic.context ->
+ NCic.term -> NCic.term list ->
+ NCic.metasenv * NCic.substitution * NCic.term
-(* fo_unif_subst metasenv subst context t1 t2 *)
-(* unifies [t1] and [t2] in a context [context] *)
-(* and with [subst] as the current substitution *)
-(* (i.e. unifies ([subst] [t1]) and *)
-(* ([subst] [t2]) in a context *)
-(* ([subst] [context]) using the metasenv *)
-(* ([subst] [metasenv]) *)
-(* Only the metavariables declared in [metasenv] *)
-(* can be used in [t1] and [t2]. *)
-(* [subst] and the substitution returned are not *)
-(* unwinded. *)
-(*CSC: fare un tipo unione Unwinded o ToUnwind e fare gestire la
- cosa all'apply_subst!!!*)
-val fo_unif_subst :
- Cic.substitution -> Cic.context -> Cic.metasenv ->
- Cic.term -> Cic.term -> CicUniv.universe_graph ->
- Cic.substitution * Cic.metasenv * CicUniv.universe_graph
+val sortfy :
+ exn ->
+ NCic.metasenv ->
+ NCic.substitution ->
+ NCic.context ->
+ NCic.term -> NCic.metasenv * NCic.substitution * NCic.term
- *)
+val debug : bool ref