From 07c5372510a5abecd788aa0b500e5deaa548c9d4 Mon Sep 17 00:00:00 2001
From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Mon, 14 May 2007 16:37:18 +0000
Subject: [PATCH] CSC: terrific bug fixed. Enrico commented the application of
 eta_fix to the body of a constant, without replacing it with Unshare.unshare
 (that is done inside eta_fix). To avoid the bug to happear again, I have
 renamed eta_fix in eta_fix_and_unshare.

---
 helm/software/components/cic_acic/cic2acic.ml | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/helm/software/components/cic_acic/cic2acic.ml b/helm/software/components/cic_acic/cic2acic.ml
index 89d3d00b4..bb00476b9 100644
--- a/helm/software/components/cic_acic/cic2acic.ml
+++ b/helm/software/components/cic_acic/cic2acic.ml
@@ -508,30 +508,30 @@ let acic_object_of_cic_object ?(eta_fix=false) obj =
   let aconjecture_of_conjecture' = aconjecture_of_conjecture seed 
     ids_to_terms ids_to_father_ids ids_to_inner_sorts ids_to_inner_types 
     ids_to_hypotheses hypotheses_seed in 
-   let eta_fix metasenv context t =
+   let eta_fix_and_unshare metasenv context t =
     let t = if eta_fix then E.eta_fix metasenv context t else t in
      Unshare.unshare t in
    let aobj =
     match obj with
       C.Constant (id,Some bo,ty,params,attrs) ->
-       let bo' = (*eta_fix [] []*) bo in
-       let ty' = eta_fix [] [] ty in
+       let bo' = (*eta_fix_and_unshare[] [] bo*) Unshare.unshare bo in
+       let ty' = eta_fix_and_unshare [] [] ty in
        let abo = acic_term_of_cic_term' ~computeinnertypes:true bo' (Some ty') in
        let aty = acic_term_of_cic_term' ~computeinnertypes:false ty' None in
         C.AConstant
          ("mettereaposto",Some "mettereaposto2",id,Some abo,aty,params,attrs)
     | C.Constant (id,None,ty,params,attrs) ->
-       let ty' = eta_fix [] [] ty in
+       let ty' = eta_fix_and_unshare [] [] ty in
        let aty = acic_term_of_cic_term' ~computeinnertypes:false ty' None in
         C.AConstant
          ("mettereaposto",None,id,None,aty,params,attrs)
     | C.Variable (id,bo,ty,params,attrs) ->
-       let ty' = eta_fix [] [] ty in
+       let ty' = eta_fix_and_unshare [] [] ty in
        let abo =
         match bo with
            None -> None
          | Some bo ->
-            let bo' = eta_fix [] [] bo in
+            let bo' = eta_fix_and_unshare [] [] bo in
              Some (acic_term_of_cic_term' ~computeinnertypes:true bo' (Some ty'))
        in
        let aty = acic_term_of_cic_term' ~computeinnertypes:false ty' None in
@@ -548,16 +548,16 @@ let acic_object_of_cic_object ?(eta_fix=false) obj =
                 match d with
                    None -> None
                  | Some (n, C.Decl t)->
-                    Some (n, C.Decl (eta_fix conjectures canonical_context' t))
+                    Some (n, C.Decl (eta_fix_and_unshare conjectures canonical_context' t))
                  | Some (n, C.Def (t,None)) ->
                     Some (n,
-                     C.Def ((eta_fix conjectures canonical_context' t),None))
+                     C.Def ((eta_fix_and_unshare conjectures canonical_context' t),None))
                  | Some (_,C.Def (_,Some _)) -> assert false
                in
                 d::canonical_context'
              ) canonical_context []
            in
-           let term' = eta_fix conjectures canonical_context' term in
+           let term' = eta_fix_and_unshare conjectures canonical_context' term in
             (i,canonical_context',term')
          ) conjectures
        in
@@ -573,7 +573,7 @@ let acic_object_of_cic_object ?(eta_fix=false) obj =
           conjectures' in 
        (* let bo' = eta_fix conjectures' [] bo in *)
        let bo' = bo in
-       let ty' = eta_fix conjectures' [] ty in
+       let ty' = eta_fix_and_unshare conjectures' [] ty in
 (*
        let time2 = Sys.time () in
        prerr_endline
-- 
2.39.2