+let call_tactic_with_hypothesis_input tactic rendering_window () =
+ let module L = LogicalOperations in
+ let module G = Gdome in
+ let proofw = (rendering_window#proofw : GMathView.math_view) in
+ let output = (rendering_window#output : GMathView.math_view) in
+ let outputhtml = (rendering_window#outputhtml : GHtml.xmhtml) in
+ let savedproof = !ProofEngine.proof in
+ let savedgoal = !ProofEngine.goal in
+ match proofw#get_selection with
+ Some node ->
+ let xpath =
+ ((node : Gdome.element)#getAttributeNS
+ ~namespaceURI:helmns
+ ~localName:(G.domString "xref"))#to_string
+ in
+ if xpath = "" then assert false (* "ERROR: No xref found!!!" *)
+ else
+ begin
+ try
+ match !current_goal_infos with
+ Some (_,_,ids_to_hypotheses) ->
+ let id = xpath in
+ tactic (Hashtbl.find ids_to_hypotheses id) ;
+ refresh_sequent rendering_window#proofw ;
+ refresh_proof rendering_window#output
+ | None -> assert false (* "ERROR: No current term!!!" *)
+ with
+ RefreshSequentException e ->
+ output_html outputhtml
+ ("<h1 color=\"red\">Exception raised during the refresh of the " ^
+ "sequent: " ^ Printexc.to_string e ^ "</h1>") ;
+ ProofEngine.proof := savedproof ;
+ ProofEngine.goal := savedgoal ;
+ refresh_sequent proofw
+ | RefreshProofException e ->
+ output_html outputhtml
+ ("<h1 color=\"red\">Exception raised during the refresh of the " ^
+ "proof: " ^ Printexc.to_string e ^ "</h1>") ;
+ ProofEngine.proof := savedproof ;
+ ProofEngine.goal := savedgoal ;
+ refresh_sequent proofw ;
+ refresh_proof output
+ | e ->
+ output_html outputhtml
+ ("<h1 color=\"red\">" ^ Printexc.to_string e ^ "</h1>") ;
+ ProofEngine.proof := savedproof ;
+ ProofEngine.goal := savedgoal ;
+ end
+ | None ->
+ output_html outputhtml
+ ("<h1 color=\"red\">No term selected</h1>")
+;;
+
+