* http://helm.cs.unibo.it/
*)
-exception AssertFailure of string
exception MetaSubstFailure of string
-
-val delift :
- Cic.context -> Cic.metasenv -> (Cic.term option) list -> Cic.term ->
- Cic.term * Cic.metasenv
+exception Uncertain of string
+exception AssertFailure of string
(* The entry (i,t) in a substitution means that *)
(* (META i) have been instantiated with t. *)
type substitution = (int * Cic.term) list
-(* unwind_subst metasenv subst *)
-(* unwinds [subst] w.r.t. itself. *)
-(* It can restrict some metavariable in the [metasenv] *)
-val unwind_subst : Cic.metasenv -> substitution -> substitution * Cic.metasenv
-
(* apply_subst subst t *)
(* applies the substitution [subst] to [t] *)
(* [subst] must be already unwinded *)
(* during the unwinding the eta-expansions are undone. *)
(* [subst] must be already unwinded *)
val apply_subst_reducing :
- substitution -> (int * int) option -> Cic.term -> Cic.term
+ (int * int) option -> substitution -> Cic.term -> Cic.term
val apply_subst_context : substitution -> Cic.context -> Cic.context
+val apply_subst_metasenv: substitution -> Cic.metasenv -> Cic.metasenv
+
+(* {2 Kernel wrappers}
+ * From now on we recreate a kernel abstraction where substitutions are part of
+ * the calculus *)
+
+val lift : substitution -> int -> Cic.term -> Cic.term
+val subst: substitution -> Cic.term -> Cic.term -> Cic.term
+val whd: substitution -> Cic.context -> Cic.term -> Cic.term
+val are_convertible: substitution -> Cic.context -> Cic.term -> Cic.term -> bool
+
+val type_of_aux':
+ Cic.metasenv -> substitution -> Cic.context -> Cic.term -> Cic.term
+
+val tempi_type_of_aux : float ref
+val tempi_type_of_aux_subst : float ref
+
+(*** delifting ***)
+
+val delift :
+ int -> substitution -> Cic.context -> Cic.metasenv ->
+ (Cic.term option) list -> Cic.term ->
+ Cic.term * Cic.metasenv * substitution
(** {2 Pretty printers} *)
-val ppcontext: ?sep: string -> substitution -> Cic.context -> string
-val ppmetasenv: ?sep: string -> substitution -> Cic.metasenv -> string
val ppsubst: substitution -> string
+val ppterm: substitution -> Cic.term -> string
+val ppcontext: ?sep: string -> substitution -> Cic.context -> string
+val ppterm_in_context:
+ substitution -> Cic.term -> (Cic.name option) list -> string
+val ppmetasenv: ?sep: string -> Cic.metasenv -> substitution -> string
-(* From now on we recreate a kernel abstraction where substitutions are part of
- * the calculus *)
+(** {2 Format-like pretty printers}
+ * As above with prototypes suitable for toplevel/ocamldebug printers. No
+ * subsitutions are applied here since such printers are required to be invoked
+ * with only one argument.
+ *)
-val whd: substitution -> Cic.context -> Cic.term -> Cic.term
-val are_convertible:
- substitution -> Cic.context -> Cic.term -> Cic.term ->
- bool
-val type_of_aux':
- Cic.metasenv -> substitution -> Cic.context -> Cic.term ->
- Cic.term
+val fppsubst: Format.formatter -> substitution -> unit
+val fppterm: Format.formatter -> Cic.term -> unit
+val fppmetasenv: Format.formatter -> Cic.metasenv -> unit