"the thesis becomes" now always performs a change.

[helm.git] / components / tactics / inversion.ml

diff --git a/components/tactics/inversion.ml b/components/tactics/inversion.ml
index 74117f7109dd596602e0d1ee26a23c7a1cd132da..e7adcb7a8ac5145496b50e431a4fb5a2750ca9c8 100644 (file)
--- a/components/tactics/inversion.ml
+++ b/components/tactics/inversion.ml
@@ -224,7 +224,7 @@ let private_inversion_tac ~term =
   parameters_tys goalty uri_of_eq in
  (*DEBUG*)  debug_print (lazy ("cut term " ^ CicPp.ppterm cut_term));
   debug_print (lazy ("CONTEXT before apply HCUT: " ^ 
-   (CicMetaSubst.ppcontext [] context )));
+   (CicMetaSubst.ppcontext ~metasenv [] context )));
   debug_print (lazy ("termty " ^ CicPp.ppterm termty));
  (* cut DXn=DXn \to GOAL *)
  let proof1,gl1 = PET.apply_tactic (P.cut_tac cut_term) (proof,goal) in
@@ -255,7 +255,7 @@ let private_inversion_tac ~term =
  debug_print 
   (lazy ("Right param: " ^ (CicPp.ppterm (Cic.Appl rightparameters))));
  debug_print (lazy ("CONTEXT before refinement: " ^ 
-  (CicMetaSubst.ppcontext [] context )));
+  (CicMetaSubst.ppcontext ~metasenv [] context )));
   (*DEBUG*) debug_print (lazy  ("private inversion: term before refinement: " ^ 
    CicPp.ppterm t));
  let (ref_t,_,metasenv'',_) = CicRefine.type_of_aux' metasenv context t 
@@ -306,14 +306,17 @@ let inversion_tac ~term =
   let (_,metasenv,_,_) = proof in
   let (_,context,goalty) = CicUtil.lookup_meta goal metasenv in
   let termty,_ = T.type_of_aux' metasenv context term CicUniv.empty_ugraph in
-  let uri = baseuri_of_term termty in  
+  let uri, typeno = 
+    match termty with
+      | Cic.MutInd (uri,typeno,_) 
+      | Cic.Appl(Cic.MutInd (uri,typeno,_)::_) -> uri,typeno
+      | _ -> assert false
+  in
+  (* let uri = baseuri_of_term termty in *)
   let obj,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
   let name,nleft,arity,cons_list =
    match obj with
     Cic.InductiveDefinition (tys,_,nleft,_) ->
-     (*we suppose there is only one inductiveType in the definition, 
-     so typeno=0 identically *)
-     let typeno = 0 in
      let (name,_,arity,cons_list) = List.nth tys typeno in 
         (name,nleft,arity,cons_list)
    |_ -> assert false