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[helm.git] / helm / software / components / ng_kernel / nCicEnvironment.mli

diff --git a/helm/software/components/ng_kernel/nCicEnvironment.mli b/helm/software/components/ng_kernel/nCicEnvironment.mli
index 07bd1b51c0e373499034da555569670f128bf4ce..5128831bea9ed279a6097203e99e253578294e6c 100644 (file)
--- a/helm/software/components/ng_kernel/nCicEnvironment.mli
+++ b/helm/software/components/ng_kernel/nCicEnvironment.mli
@@ -1,34 +1,28 @@
-(* Copyright (C) 2000, HELM Team.
- * 
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- * 
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * 
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA  02111-1307, USA.
- * 
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
-
-(* NG: minimal wrapper on the old cicEnvironment, should provide only the
- * functions strictly necessary to the typechecking algorithm *)
+(*
+    ||M||  This file is part of HELM, an Hypertextual, Electronic        
+    ||A||  Library of Mathematics, developed at the Computer Science     
+    ||T||  Department, University of Bologna, Italy.                     
+    ||I||                                                                
+    ||T||  HELM is free software; you can redistribute it and/or         
+    ||A||  modify it under the terms of the GNU General Public License   
+    \   /  version 2 or (at your option) any later version.      
+     \ /   This software is distributed as is, NO WARRANTY.     
+      V_______________________________________________________________ *)
+
+(* $Id$ *)
+
+exception CircularDependency of string Lazy.t;;
+exception ObjectNotFound of string Lazy.t;;
+exception BadDependency of string Lazy.t * exn;;
+exception AlreadyDefined of string Lazy.t;;
+
+val set_get_obj: (NUri.uri -> NCic.obj) -> unit
 
 val get_checked_obj: NUri.uri -> NCic.obj
-val get_obj: NUri.uri -> bool * NCic.obj
-val add_obj: NCic.obj -> unit
+
+val check_and_add_obj: NCic.obj -> unit
+
+val get_relevance: NReference.reference -> bool list
 
 val get_checked_def:
   NReference.reference -> 
@@ -39,18 +33,53 @@ val get_checked_indtys:
   NReference.reference -> 
     bool * int * NCic.inductiveType list * NCic.i_attr * int
 
-val get_checked_fixes:
+val get_checked_fixes_or_cofixes:
   NReference.reference -> 
    NCic.inductiveFun list * NCic.f_attr * int
 
-val get_checked_cofixes:
-  NReference.reference -> 
-   NCic.inductiveFun list * NCic.f_attr * int
-
-val get_indty_leftno: NReference.reference -> int
+(* invalidate the object and all those that entered the environment after it *)
+val invalidate_item: 
+      [ `Obj of NUri.uri * NCic.obj 
+      | `Constr of NCic.universe * NCic.universe ] -> unit
 
 val invalidate: unit -> unit
-val load_graph: UriManager.uri -> unit
-val get_graph: unit -> CicUniv.universe_graph
+
+val set_typecheck_obj: (NCic.obj -> unit) -> unit
+
+(* =========== universes ============= *)
+
+(* utils *)
+val ppsort : Format.formatter -> NCic.sort -> unit
+val pp_constraints: unit -> string
+val get_universes: unit -> NCic.universe list
+
+(* use to type products *)
+val max: NCic.universe -> NCic.universe -> NCic.universe
+
+(* raise BadConstraints if the second arg. is an inferred universe or
+ * if the added constraint gives circularity *)
+exception BadConstraint of string Lazy.t;;
+val add_lt_constraint: NCic.universe -> NCic.universe -> unit
+val universe_eq: NCic.universe -> NCic.universe -> bool
+val universe_leq: NCic.universe -> NCic.universe -> bool
+val universe_lt: NCic.universe -> NCic.universe -> bool
+
+(* checks if s1 <= s2 *)
+val are_sorts_convertible: test_eq_only:bool -> NCic.sort -> NCic.sort -> bool
+
+(* to type a Match *)
+val allowed_sort_elimination: NCic.sort -> NCic.sort -> [ `Yes | `UnitOnly ]
+
+(* algebraic successor function *)
+exception UntypableSort of string Lazy.t
+exception AssertFailure of string Lazy.t
+val typeof_sort: NCic.sort -> NCic.sort
+
+(* looks for a declared universe that is the least one above the input *)
+val sup : NCic.universe -> NCic.universe option
+val inf : strict:bool -> NCic.universe -> NCic.universe option
+val family_of : NCic.universe -> [ `CProp | `Type ]
+
+(* =========== /universes ============= *)
 
 (* EOF *)