X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_unification%2FcicMetaSubst.mli;h=b1e34757ec6e0564b32f8d050215808f1dd65fe8;hb=5325734bc2e4927ed7ec146e35a6f0f2b49f50c1;hp=a81f50c1dd2c1527e662b0b49ff7e4ba9b416437;hpb=cf7fbeee5c21b86f70281f42cd09ee699e0c62b7;p=helm.git diff --git a/helm/ocaml/cic_unification/cicMetaSubst.mli b/helm/ocaml/cic_unification/cicMetaSubst.mli index a81f50c1d..b1e34757e 100644 --- a/helm/ocaml/cic_unification/cicMetaSubst.mli +++ b/helm/ocaml/cic_unification/cicMetaSubst.mli @@ -23,22 +23,14 @@ * http://helm.cs.unibo.it/ *) -exception AssertFailure of string exception MetaSubstFailure of string +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 -val delift : - int -> substitution -> Cic.context -> Cic.metasenv -> (Cic.term option) list -> Cic.term -> - Cic.term * Cic.metasenv - -(* 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 *) @@ -55,29 +47,49 @@ val apply_subst : substitution -> Cic.term -> Cic.term (* 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 - -(** {2 Pretty printers} *) - -val ppcontext: ?sep: string -> substitution -> Cic.context -> string -val ppmetasenv: ?sep: string -> substitution -> Cic.metasenv -> string -val ppsubst: substitution -> string +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 : Cic.metasenv -> substitution -> int -> Cic.term -> Cic.term +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 whd: Cic.metasenv -> substitution -> Cic.context -> Cic.term -> Cic.term +val tempi_type_of_aux : float ref +val tempi_type_of_aux_subst : float ref -val are_convertible: - Cic.metasenv -> substitution -> Cic.context -> Cic.term -> Cic.term -> - bool +(*** delifting ***) -val type_of_aux': - Cic.metasenv -> substitution -> Cic.context -> Cic.term -> - Cic.term +val delift : + int -> substitution -> Cic.context -> Cic.metasenv -> + (Cic.term option) list -> Cic.term -> + Cic.term * Cic.metasenv * substitution + +(** {2 Pretty printers} *) + +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 + +(** {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 fppsubst: Format.formatter -> substitution -> unit +val fppterm: Format.formatter -> Cic.term -> unit +val fppmetasenv: Format.formatter -> Cic.metasenv -> unit