New syntax and semantics for the rewriting steps that make the pretty-printed

[helm.git] / components / grafite / grafiteAstPp.ml

diff --git a/components/grafite/grafiteAstPp.ml b/components/grafite/grafiteAstPp.ml
index f7325f54fb05b74689b1631c8e97399f31775355..f51cd0bcaf81ba03f5d57d7f51e732d36a78d757 100644 (file)
--- a/components/grafite/grafiteAstPp.ml
+++ b/components/grafite/grafiteAstPp.ml
@@ -169,7 +169,7 @@ let rec pp_tactic ~term_pp ~lazy_term_pp =
   | Thesisbecomes (_, term) -> "the thesis becomes " ^ term_pp term
   | ExistsElim (_, term0, ident, term, ident1, term1) -> "by " ^ term_pp term0 ^ "let " ^ ident ^ ":" ^ term_pp term ^ "such that " ^ term_pp term1 ^ "(" ^ ident1 ^ ")"
   | AndElim (_, term, ident1, term1, ident2, term2) -> "by " ^ term_pp term ^ "we have " ^ term_pp term1 ^ " (" ^ ident1 ^ ") " ^ "and " ^ term_pp term2 ^ " (" ^ ident2 ^ ")" 
-  | RewritingStep (_, term, term1, term2, cont) -> (match term with None -> " " | Some term -> "obtain " ^ term_pp term) ^ "=" ^ term_pp term1 ^ (match term2 with `Auto params -> "_" ^ String.concat " " (List.map (fun (k,v) -> if v <> "" then k ^ "=" ^ v else k) params)  | `Term term2 -> term_pp term2) ^ (match cont with None -> " done" | Some Cic.Anonymous -> "" | Some (Cic.Name id) -> " we proved " ^ id)
+  | RewritingStep (_, term, term1, term2, cont) -> (match term with None -> " " | Some (None,term) -> "conclude " ^ term_pp term | Some (Some name,term) -> "obtain (" ^ name ^ ") " ^ term_pp term) ^ "=" ^ term_pp term1 ^ (match term2 with `Auto params -> "_" ^ String.concat " " (List.map (fun (k,v) -> if v <> "" then k ^ "=" ^ v else k) params)  | `Term term2 -> term_pp term2) ^ (if cont then " done" else "")
   | Case (_, id, args) ->
      "case" ^ id ^
        String.concat " "