X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Focaml%2Ftactics%2FdiscriminationTactics.ml;h=b807728273f82e730102acfb292718dd41a24f6c;hb=04ade947888ac1115dfe104714bed61c32e1c9c3;hp=1a05bce1bed6d95c207704e4d23806891c30877d;hpb=66496e0c92e31547de2bd84defe0d83bc8bf49ea;p=helm.git

diff --git a/helm/ocaml/tactics/discriminationTactics.ml b/helm/ocaml/tactics/discriminationTactics.ml
index 1a05bce1b..b80772827 100644
--- a/helm/ocaml/tactics/discriminationTactics.ml
+++ b/helm/ocaml/tactics/discriminationTactics.ml
@@ -423,8 +423,8 @@ let discriminate_tac ~term status =
                 let (t1',t2',consno2') = (* bruuutto: uso un eccezione per terminare con successo! buuu!! :-/ *)
                  try
                   let rec traverse t1 t2 =
-debug_print ("XXXX t1 " ^ CicPp.ppterm t1) ;
-debug_print ("XXXX t2 " ^ CicPp.ppterm t2) ;
+debug_print (lazy ("XXXX t1 " ^ CicPp.ppterm t1)) ;
+debug_print (lazy ("XXXX t2 " ^ CicPp.ppterm t2)) ;
                    match t1,t2 with
                       ((C.MutConstruct (uri1,typeno1,consno1,exp_named_subst1)),
                        (C.MutConstruct (uri2,typeno2,consno2,exp_named_subst2)))
@@ -454,7 +454,7 @@ debug_print ("XXXX t2 " ^ CicPp.ppterm t2) ;
                   in traverse t1 t2
                  with (TwoDifferentSubtermsFound (t1,t2,consno2)) -> (t1,t2,consno2)
                 in
-debug_print ("XXXX consno2' " ^ (string_of_int consno2')) ;
+debug_print (lazy ("XXXX consno2' " ^ (string_of_int consno2'))) ;
                  if consno2' = 0 
                   then raise (ProofEngineTypes.Fail "Discriminate: Discriminating terms are structurally equal")
                   else
@@ -464,11 +464,11 @@ debug_print ("XXXX consno2' " ^ (string_of_int consno2')) ;
                      match fst(CicEnvironment.get_obj turi 
                                  CicUniv.empty_ugraph) with
                         C.InductiveDefinition (ind_type_list,_,nr_ind_params)  ->
-debug_print ("XXXX nth " ^ (string_of_int (List.length ind_type_list)) ^ " " ^ (string_of_int typeno)) ;
+debug_print (lazy ("XXXX nth " ^ (string_of_int (List.length ind_type_list)) ^ " " ^ (string_of_int typeno))) ;
                          let _,_,_,constructor_list = (List.nth ind_type_list typeno) in 
-debug_print ("XXXX nth " ^ (string_of_int (List.length constructor_list)) ^ " " ^ (string_of_int consno2')) ;
+debug_print (lazy ("XXXX nth " ^ (string_of_int (List.length constructor_list)) ^ " " ^ (string_of_int consno2'))) ;
                           let false_constr_id,_ = List.nth constructor_list (consno2' - 1) in
-debug_print ("XXXX nth funzionano ") ;
+debug_print (lazy "XXXX nth funzionano ") ;
                            List.map 
                             (function (id,cty) ->
                               let red_ty = CicReduction.whd context cty in (* dubbio: e' corretto ridurre in questo context ??? *)
@@ -518,22 +518,22 @@ debug_print ("XXXX nth funzionano ") ;
                               )
                              ~continuation:
                               (
-debug_print ("XXXX rewrite<-: " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' (C.Appl [(C.MutInd (equri,0,[])) ; tty ; t1' ; t2'])));
-debug_print ("XXXX rewrite<-: " ^ CicPp.ppterm (C.Appl [(C.MutInd (equri,0,[])) ; tty ; t1' ; t2'])) ;
-debug_print ("XXXX equri: " ^ U.string_of_uri equri) ;
-debug_print ("XXXX tty : " ^ CicPp.ppterm tty) ;
-debug_print ("XXXX tt1': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t1')) ;
-debug_print ("XXXX tt2': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t2')) ;
-if (CicTypeChecker.type_of_aux' metasenv' context' t1') <> tty then debug_print ("XXXX tt1': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t1')) ;
-if (CicTypeChecker.type_of_aux' metasenv' context' t2') <> tty then debug_print ("XXXX tt2': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t2')) ;
+debug_print (lazy ("XXXX rewrite<-: " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' (C.Appl [(C.MutInd (equri,0,[])) ; tty ; t1' ; t2']))));
+debug_print (lazy ("XXXX rewrite<-: " ^ CicPp.ppterm (C.Appl [(C.MutInd (equri,0,[])) ; tty ; t1' ; t2']))) ;
+debug_print (lazy ("XXXX equri: " ^ U.string_of_uri equri)) ;
+debug_print (lazy ("XXXX tty : " ^ CicPp.ppterm tty)) ;
+debug_print (lazy ("XXXX tt1': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t1'))) ;
+debug_print (lazy ("XXXX tt2': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t2'))) ;
+if (CicTypeChecker.type_of_aux' metasenv' context' t1') <> tty then debug_print (lazy ("XXXX tt1': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t1'))) ;
+if (CicTypeChecker.type_of_aux' metasenv' context' t2') <> tty then debug_print (lazy ("XXXX tt2': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t2'))) ;
 if (CicTypeChecker.type_of_aux' metasenv' context' t1') <> (CicTypeChecker.type_of_aux' metasenv' context' t2') 
- then debug_print ("XXXX tt1': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux'
- metasenv' context' t1')) ; debug_print ("XXXX tt2': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t2')) ;
+ then debug_print (lazy ("XXXX tt1': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux'
+ metasenv' context' t1'))) ; debug_print (lazy ("XXXX tt2': " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' t2'))) ;
 
                                let termty' = ProofEngineReduction.replace_lifting ~equality:(==) ~what:t1 ~with_what:t1' ~where:termty in
                                 let termty'' = ProofEngineReduction.replace_lifting ~equality:(==) ~what:t2 ~with_what:t2' ~where:termty' in
 
-debug_print ("XXXX rewrite<- " ^ CicPp.ppterm term ^ " : " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' term));
+debug_print (lazy ("XXXX rewrite<- " ^ CicPp.ppterm term ^ " : " ^ CicPp.ppterm (CicTypeChecker.type_of_aux' metasenv' context' term)));
                                  T.then_
                                    ~start:(EqualityTactics.rewrite_back_simpl_tac ~term:term)
                                    ~continuation:(IntroductionTactics.constructor_tac ~n:1)