Stuff moved from old Matita.

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

diff --git a/matita/components/ng_kernel/nCicEnvironment.mli b/matita/components/ng_kernel/nCicEnvironment.mli
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+(*
+    ||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 check_and_add_obj: NCic.obj -> unit
+
+val get_relevance: NReference.reference -> bool list
+
+val get_checked_def:
+  NReference.reference -> 
+    NCic.relevance * string * NCic.term * NCic.term * NCic.c_attr * int
+
+(* the last integer is the index of the inductive type in the reference *)
+val get_checked_indtys:
+  NReference.reference -> 
+    bool * int * NCic.inductiveType list * NCic.i_attr * int
+
+val get_checked_fixes_or_cofixes:
+  NReference.reference -> 
+   NCic.inductiveFun list * NCic.f_attr * 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 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 *)