New datatype for metasenv/subst: full fledged attributes in place of optional

[helm.git] / helm / software / components / ng_kernel / nCic.ml

diff --git a/helm/software/components/ng_kernel/nCic.ml b/helm/software/components/ng_kernel/nCic.ml
index d3bc8d793730e7cf8c6b1dc471b254beb98063f4..32b79f02a2f898a2dadd8472b7aef08a38adca36 100644 (file)
--- a/helm/software/components/ng_kernel/nCic.ml
+++ b/helm/software/components/ng_kernel/nCic.ml
@@ -13,17 +13,23 @@
 
 (********************************* TERMS ************************************)
 
-type universe = (bool * NUri.uri) list 
-  (* Max of non-empty list of named universes, or their successor (when true) *)
+type univ_algebra = [ `Type | `Succ | `CProp ]
+
+type universe = (univ_algebra * NUri.uri) list 
+  (* Max of non-empty list of named universes, or their successor (when true) 
+   * The empty list represents type0 *)
 
 type sort = Prop | Type of universe
 
-type implicit_annotation = [ `Closed | `Type | `Hole | `Term ]
+type implicit_annotation =
+ [ `Closed | `Type | `Hole | `Tagged of string | `Term | `Typeof of int | `Vector ]
+
 
 type lc_kind = Irl of int | Ctx of term list
 
 and local_context = int * lc_kind             (* shift (0 -> no shift), 
-                                                 subst (None means id) *) 
+                                                 subst (Irl n means id of
+                                                length n) *) 
 and term =
  | Rel      of int                            (* DeBruijn index, 1 based    *)
  | Meta     of int * local_context
@@ -46,15 +52,17 @@ type context_entry =                       (* A declaration or definition *)
  | Decl of term                            (* type *)
  | Def  of term * term                     (* body, type *)
 
-type hypothesis = string * context_entry   
+type hypothesis = string * context_entry   (* name, entry *)
 
 type context = hypothesis list
 
-type conjecture = string option * context * term
+type meta_attrs = [`Name of string | `IsSort | `InScope | `OutScope of int] list
+
+type conjecture =  meta_attrs * context * term
 
 type metasenv = (int * conjecture) list
 
-type subst_entry = string option * context * term * term
+type subst_entry = meta_attrs * context * term * term (* name,ctx,bo,ty *)
 
 type substitution = (int * subst_entry) list
 
@@ -93,7 +101,7 @@ type ind_pragma = (* pragmatic of the object *)
 type generated = [ `Generated | `Provided ]
 
 type c_attr = generated * def_flavour * def_pragma
-type f_attr = generated * def_flavour
+type f_attr = generated * def_flavour * def_pragma
 type i_attr = generated * ind_pragma
 
  (* invariant: metasenv and substitution have disjoint domains *)