From cf4da27b865107f9b89f3d2726f14d6e2694c548 Mon Sep 17 00:00:00 2001
From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Thu, 15 May 2008 16:09:17 +0000
Subject: [PATCH] New function get_relevance and new (not exported) function
 get_checked_decl.

---
 .../components/ng_kernel/nCicEnvironment.ml   | 32 +++++++++++++++++++
 .../components/ng_kernel/nCicEnvironment.mli  |  2 ++
 2 files changed, 34 insertions(+)

diff --git a/helm/software/components/ng_kernel/nCicEnvironment.ml b/helm/software/components/ng_kernel/nCicEnvironment.ml
index 2b98e8d4f..b491d4c84 100644
--- a/helm/software/components/ng_kernel/nCicEnvironment.ml
+++ b/helm/software/components/ng_kernel/nCicEnvironment.ml
@@ -81,6 +81,17 @@ let get_checked_obj u =
     | `Exn e -> raise e
 ;;
 
+let get_checked_decl = function
+  | NReference.Ref (uri, NReference.Decl) ->
+      (match get_checked_obj uri with
+      | _,height,_,_, NCic.Constant (rlv,name,None,ty,att) ->
+          rlv,name,ty,att,height
+      | _,_,_,_, NCic.Constant (_,_,Some _,_,_) ->
+          prerr_endline "get_checked_decl on a definition"; assert false
+      | _ -> prerr_endline "get_checked_decl on a non decl 2"; assert false)
+  | _ -> prerr_endline "get_checked_decl on a non decl"; assert false
+;;
+
 let get_checked_def = function
   | NReference.Ref (uri, NReference.Def _) ->
       (match get_checked_obj uri with
@@ -119,6 +130,27 @@ let get_indty_leftno = function
   | _ -> prerr_endline "get_indty_leftno called on a non indty";assert false
 ;;
 
+let get_relevance (NReference.Ref (_, infos) as r) =
+  match infos with
+     NReference.Def _ -> let res,_,_,_,_,_ = get_checked_def r in res
+   | NReference.Decl -> let res,_,_,_,_ = get_checked_decl r in res
+   | NReference.Ind _ ->
+       let _,_,tl,_,n = get_checked_indtys r in
+       let res,_,_,_ = List.nth tl n in
+         res
+    | NReference.Con (_,i) ->
+       let _,_,tl,_,n = get_checked_indtys r in
+       let _,_,_,cl = List.nth tl n in
+       let res,_,_ = List.nth cl (i - 1) in
+         res
+    | NReference.Fix (fixno,_,_)
+    | NReference.CoFix fixno ->
+        let fl,_,_ = get_checked_fixes_or_cofixes r in
+        let res,_,_,_,_ = List.nth fl fixno in
+          res
+;;
+
+
 let invalidate _ = 
   assert (!frozen_list = []);
   NUri.UriHash.clear cache
diff --git a/helm/software/components/ng_kernel/nCicEnvironment.mli b/helm/software/components/ng_kernel/nCicEnvironment.mli
index 3e2cbff28..048dd7b96 100644
--- a/helm/software/components/ng_kernel/nCicEnvironment.mli
+++ b/helm/software/components/ng_kernel/nCicEnvironment.mli
@@ -17,6 +17,8 @@ exception BadDependency of string Lazy.t;;
 
 val get_checked_obj: NUri.uri -> NCic.obj
 
+val get_relevance: NReference.reference -> bool list
+
 val get_checked_def:
   NReference.reference -> 
     NCic.relevance * string * NCic.term * NCic.term * NCic.c_attr * int
-- 
2.39.2