X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_transformations%2FtacticAstPp.ml;h=83fdaf0829d7238c20faa991b08f96b373b3201f;hb=a3acd934eba07f24937e59c3c7a41db82d901025;hp=ee099e4202a4539e97bfa3baa975c57e9f804051;hpb=bc9cc53fbb0cb8676106e0c4d74053bbe1ac1a8e;p=helm.git

diff --git a/helm/ocaml/cic_transformations/tacticAstPp.ml b/helm/ocaml/cic_transformations/tacticAstPp.ml
index ee099e420..83fdaf082 100644
--- a/helm/ocaml/cic_transformations/tacticAstPp.ml
+++ b/helm/ocaml/cic_transformations/tacticAstPp.ml
@@ -44,29 +44,24 @@ let pp_reduction_kind = function
   | `Normalize -> "normalize"
  
   
-let pp_pattern (hyp, goal) = 
+let pp_pattern (t, hyp, goal) = 
   let pp_hyp_pattern l =
     String.concat "; "
-      (List.map (fun (name, p) -> sprintf "%s : %s" name (pp_term_ast p)) l)
+      (List.map (fun (name, p) -> sprintf "%s : %s" name (pp_term_ast p)) l) in
+  let pp_t t =
+   match t with
+      None -> ""
+    | Some t -> pp_term_ast t
   in
-  let pp_goal_pattern p = 
-    match p with 
-    | None -> ""
-    | Some p -> pp_term_ast p
-  in
-  let separator = 
-    if hyp <> [] then " \\vdash " else " "
-  in
-   "in " ^ pp_hyp_pattern hyp ^ separator ^ pp_goal_pattern goal
+   pp_t t ^ " in " ^ pp_hyp_pattern hyp ^ " \\vdash " ^ pp_term_ast goal
 
 let rec pp_tactic = function
   | Absurd (_, term) -> "absurd" ^ pp_term_ast term
   | Apply (_, term) -> "apply " ^ pp_term_ast term
   | Auto _ -> "auto"
   | Assumption _ -> "assumption"
-  | Change (_, t1, t2, where) ->
-      sprintf "change %s with %s %s" (pp_term_ast t1) (pp_term_ast t2)
-       (pp_pattern where)
+  | Change (_, where, with_what) ->
+      sprintf "change %s with %s" (pp_pattern where) (pp_term_ast with_what)
   | Clear (_,id) -> sprintf "clear %s" id
   | ClearBody (_,id) -> sprintf "clearbody %s" id
   | Compare (_,term) -> "compare " ^ pp_term_ast term
@@ -85,13 +80,11 @@ let rec pp_tactic = function
   | ElimType (_, term) -> "elim type " ^ pp_term_ast term
   | Exact (_, term) -> "exact " ^ pp_term_ast term
   | Exists _ -> "exists"
-  | Fold (_, kind, term, pattern) ->
-      sprintf "fold %s %s %s" (pp_reduction_kind kind) (pp_term_ast term)
-       (pp_pattern pattern)
-  | Generalize (_, term, ident, pattern) ->
-     sprintf "generalize %s%s %s" (pp_term_ast term)
+  | Fold (_, kind, pattern) ->
+      sprintf "fold %s %s" (pp_reduction_kind kind) (pp_pattern pattern)
+  | Generalize (_, pattern, ident) ->
+     sprintf "generalize %s%s" (pp_pattern pattern)
       (match ident with None -> "" | Some id -> " as " ^ id)
-      (pp_pattern pattern)
   | Goal (_, n) -> "goal " ^ string_of_int n
   | Fail _ -> "fail"
   | Fourier _ -> "fourier"
@@ -111,7 +104,8 @@ let rec pp_tactic = function
       sprintf "replace %s with %s" (pp_pattern pattern) (pp_term_ast t)
   | Rewrite (_, pos, t, pattern) -> 
       sprintf "rewrite %s %s %s" 
-        (if pos = `Left then "left" else "right") (pp_term_ast t)
+        (if pos = `LeftToRight then ">" else "<")
+        (pp_term_ast t)
         (pp_pattern pattern)
   | Right _ -> "right"
   | Ring _ -> "ring"
@@ -122,7 +116,7 @@ let rec pp_tactic = function
   | LApply (_, term_opt, term, ident) -> 
       sprintf "lapply %s%s%s" (pp_term_ast term) 
         (match term_opt with None -> "" | Some t -> " to " ^ pp_term_ast t)
-        (match ident with None -> "" | Some id -> " " ^ id)
+        (match ident with None -> "" | Some id -> " using " ^ id)
 
 let pp_flavour = function
   | `Definition -> "Definition"