test branch

[helm.git] / helm / ocaml / cic / deannotate.ml

diff --git a/helm/ocaml/cic/deannotate.ml b/helm/ocaml/cic/deannotate.ml
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+(* 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/.
+ *)
+
+(* $Id$ *)
+
+(* converts annotated terms into cic terms (forgetting ids and names) *)
+let rec deannotate_term =
+ let module C = Cic in
+  function
+     C.ARel (_,_,n,_) -> C.Rel n
+   | C.AVar (_,uri,exp_named_subst) ->
+      let deann_exp_named_subst =
+       List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
+      in
+       C.Var (uri, deann_exp_named_subst)
+   | C.AMeta (_,n, l) ->
+      let l' =
+       List.map
+        (function
+            None -> None
+          | Some at -> Some (deannotate_term at)
+        ) l
+      in
+       C.Meta (n, l')
+   | C.ASort (_,s) -> C.Sort s
+   | C.AImplicit (_, annotation) -> C.Implicit annotation
+   | C.ACast (_,va,ty) -> C.Cast (deannotate_term va, deannotate_term ty)
+   | C.AProd (_,name,so,ta) ->
+      C.Prod (name, deannotate_term so, deannotate_term ta)
+   | C.ALambda (_,name,so,ta) ->
+      C.Lambda (name, deannotate_term so, deannotate_term ta)
+   | C.ALetIn (_,name,so,ta) ->
+      C.LetIn (name, deannotate_term so, deannotate_term ta)
+   | C.AAppl (_,l) -> C.Appl (List.map deannotate_term l)
+   | C.AConst (_,uri,exp_named_subst) ->
+      let deann_exp_named_subst =
+       List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
+      in
+       C.Const (uri, deann_exp_named_subst)
+   | C.AMutInd (_,uri,i,exp_named_subst) ->
+      let deann_exp_named_subst =
+       List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
+      in
+       C.MutInd (uri,i,deann_exp_named_subst)
+   | C.AMutConstruct (_,uri,i,j,exp_named_subst) ->
+      let deann_exp_named_subst =
+       List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
+      in
+       C.MutConstruct (uri,i,j,deann_exp_named_subst)
+   | C.AMutCase (_,uri,i,outtype,te,pl) ->
+      C.MutCase (uri,i,deannotate_term outtype,
+       deannotate_term te, List.map deannotate_term pl)
+   | C.AFix (_,funno,ifl) ->
+      C.Fix (funno, List.map deannotate_inductiveFun ifl)
+   | C.ACoFix (_,funno,ifl) ->
+      C.CoFix (funno, List.map deannotate_coinductiveFun ifl)
+
+and deannotate_inductiveFun (_,name,index,ty,bo) =
+ (name, index, deannotate_term ty, deannotate_term bo)
+
+and deannotate_coinductiveFun (_,name,ty,bo) =
+ (name, deannotate_term ty, deannotate_term bo)
+;;
+
+let deannotate_inductiveType (_, name, isinductive, arity, cons) =
+ (name, isinductive, deannotate_term arity,
+  List.map (fun (id,ty) -> (id,deannotate_term ty)) cons)
+;;
+
+let deannotate_obj =
+ let module C = Cic in
+  function
+     C.AConstant (_, _, id, bo, ty, params, attrs) ->
+      C.Constant (id,
+       (match bo with None -> None | Some bo -> Some (deannotate_term bo)),
+       deannotate_term ty, params, attrs)
+   | C.AVariable (_, name, bo, ty, params, attrs) ->
+      C.Variable (name,
+       (match bo with None -> None | Some bo -> Some (deannotate_term bo)),
+       deannotate_term ty, params, attrs)
+   | C.ACurrentProof (_, _, name, conjs, bo, ty, params, attrs) ->
+      C.CurrentProof (
+       name,
+        List.map
+         (function 
+           (_,id,acontext,con) -> 
+           let context = 
+            List.map 
+             (function 
+                 _,Some (n,(C.ADef at)) ->
+                   Some (n,(C.Def ((deannotate_term at),None)))
+               | _,Some (n,(C.ADecl at)) ->
+                   Some (n,(C.Decl (deannotate_term at)))
+               | _,None -> None
+              ) acontext  
+            in
+            (id,context,deannotate_term con) 
+         ) conjs,
+       deannotate_term bo,deannotate_term ty, params, attrs
+      )
+   | C.AInductiveDefinition (_, tys, params, parno, attrs) ->
+      C.InductiveDefinition (List.map deannotate_inductiveType tys,
+       params, parno, attrs)
+;;