X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCic.ml;h=4fd950af0f80c51d0be583080a04993dad576a05;hb=b7535cd20248c564e942cc4e9058d34fbb062c6f;hp=19a8a227b9cf8dfe49af5a3b41431d4f4c1c2d9a;hpb=f67ba2fcc539161947b5cdde1b9516a3817115d6;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCic.ml b/helm/software/components/ng_kernel/nCic.ml
index 19a8a227b..4fd950af0 100644
--- a/helm/software/components/ng_kernel/nCic.ml
+++ b/helm/software/components/ng_kernel/nCic.ml
@@ -29,8 +29,10 @@ type sort = Prop | Set | Type of int | CProp
 
 type implicit_annotation = [ `Closed | `Type | `Hole | `Term ]
 
-type local_context = int * (term list) option    (* shift (0 -> no shift), 
-                                                    subst (None means id) *) 
+type lc_kind = Irl of int | Ctx of term list
+
+and local_context = int * lc_kind             (* shift (0 -> no shift), 
+                                                 subst (None means id) *) 
 and term =
  | Rel      of int                            (* DeBruijn index, 1 based    *)
  | Meta     of int * local_context
@@ -61,7 +63,9 @@ type conjecture = int * string option * context * term
 
 type metasenv = conjecture list
 
-type substitution = (int * (string option * context * term * term)) list
+type subst_entry = string option * context * term * term
+
+type substitution = (int * subst_entry) list
 
 
 (******************************** OBJECTS **********************************)
@@ -86,10 +90,11 @@ type def_pragma = (* pragmatic of the object *)
   | `Projection         (* record projection *)
   | `InversionPrinciple (* inversion principle *)
   | `Variant 
-  | `Local ]            (* Local = hidden technicality *)
+  | `Local 
+  | `Regular ]            (* Local = hidden technicality *)
  
 type ind_pragma = (* pragmatic of the object *)
-  [ `Record of (string * bool * int) list ]
+  [ `Record of (string * bool * int) list | `Regular ]
   (* inductive type that encodes a record; the arguments are the record 
    * fields names and if they are coercions and then the coercion arity *)
 
@@ -103,7 +108,9 @@ type i_attr = generated * ind_pragma
 type obj_kind =
  | Constant  of relevance * string * term option * term * c_attr
  | Fixpoint  of bool * inductiveFun list * f_attr
+                (* true -> fix, funcs, arrts *)
  | Inductive of bool * int * inductiveType list * i_attr
-                (* (co)inductive, leftno, types *)
+                (* true -> inductive, leftno, types *)
 
+ (* the int must be 0 if the object has no body *)
 type obj = NUri.uri * int * metasenv * substitution * obj_kind