wenzelm@45709: (*  Title:      Pure/PIDE/protocol.ML
wenzelm@38412:     Author:     Makarius
wenzelm@38412: 
wenzelm@45709: Protocol message formats for interactive proof documents.
wenzelm@38412: *)
wenzelm@38412: 
wenzelm@45709: structure Protocol: sig end =
wenzelm@38412: struct
wenzelm@38412: 
wenzelm@38418: val _ =
wenzelm@46119:   Isabelle_Process.protocol_command "Document.define_command"
wenzelm@44644:     (fn [id, name, text] =>
wenzelm@44644:       Document.change_state (Document.define_command (Document.parse_id id) name text));
wenzelm@38412: 
wenzelm@38418: val _ =
wenzelm@47343:   Isabelle_Process.protocol_command "Document.discontinue_execution"
wenzelm@47343:     (fn [] => Document.discontinue_execution (Document.state ()));
wenzelm@47343: 
wenzelm@47343: val _ =
wenzelm@46119:   Isabelle_Process.protocol_command "Document.cancel_execution"
wenzelm@44612:     (fn [] => ignore (Document.cancel_execution (Document.state ())));
wenzelm@44612: 
wenzelm@44612: val _ =
wenzelm@46119:   Isabelle_Process.protocol_command "Document.update_perspective"
wenzelm@44436:     (fn [old_id_string, new_id_string, name, ids_yxml] => Document.change_state (fn state =>
wenzelm@44436:       let
wenzelm@44436:         val old_id = Document.parse_id old_id_string;
wenzelm@44436:         val new_id = Document.parse_id new_id_string;
wenzelm@44436:         val ids = YXML.parse_body ids_yxml
wenzelm@44436:           |> let open XML.Decode in list int end;
wenzelm@44436: 
wenzelm@44436:         val _ = Future.join_tasks (Document.cancel_execution state);
wenzelm@44436:       in
wenzelm@44436:         state
wenzelm@44436:         |> Document.update_perspective old_id new_id name ids
wenzelm@44436:         |> Document.execute new_id
wenzelm@44436:       end));
wenzelm@44436: 
wenzelm@44436: val _ =
wenzelm@46119:   Isabelle_Process.protocol_command "Document.update"
wenzelm@44157:     (fn [old_id_string, new_id_string, edits_yxml] => Document.change_state (fn state =>
wenzelm@38418:       let
wenzelm@38418:         val old_id = Document.parse_id old_id_string;
wenzelm@38418:         val new_id = Document.parse_id new_id_string;
wenzelm@44157:         val edits =
wenzelm@44157:           YXML.parse_body edits_yxml |>
wenzelm@44157:             let open XML.Decode in
wenzelm@44157:               list (pair string
wenzelm@44157:                 (variant
wenzelm@44185:                  [fn ([], []) => Document.Clear,
wenzelm@44157:                   fn ([], a) => Document.Edits (list (pair (option int) (option int)) a),
wenzelm@44157:                   fn ([], a) =>
wenzelm@46938:                     let
wenzelm@46938:                       val ((((master, name), imports), keywords), uses) =
wenzelm@46938:                         pair (pair (pair (pair string string) (list string))
wenzelm@46938:                           (list (pair string (option (pair string (list string))))))
wenzelm@46938:                           (list (pair string bool)) a;
wenzelm@46938:                       val res =
wenzelm@46938:                         Exn.capture (fn () =>
wenzelm@46938:                           (master, Thy_Header.make name imports keywords
wenzelm@46938:                             (map (apfst Path.explode) uses))) ();
wenzelm@46938:                     in Document.Header res end,
wenzelm@44384:                   fn ([a], []) => Document.Header (Exn.Exn (ERROR a)),
wenzelm@44384:                   fn (a, []) => Document.Perspective (map int_atom a)]))
wenzelm@44157:             end;
wenzelm@38412: 
wenzelm@44436:         val running = Document.cancel_execution state;
wenzelm@44610:         val (assignment, state1) = Document.update old_id new_id edits state;
wenzelm@44436:         val _ = Future.join_tasks running;
wenzelm@44436:         val _ =
wenzelm@46774:           Output.protocol_message Isabelle_Markup.assign_execs
wenzelm@44661:             ((new_id, assignment) |>
wenzelm@44476:               let open XML.Encode
wenzelm@44661:               in pair int (pair (list (pair int (option int))) (list (pair string (option int)))) end
wenzelm@44661:               |> YXML.string_of_body);
wenzelm@44660:         val state2 = Document.execute new_id state1;
wenzelm@44660:       in state2 end));
wenzelm@38412: 
wenzelm@43748: val _ =
wenzelm@46119:   Isabelle_Process.protocol_command "Document.remove_versions"
wenzelm@44673:     (fn [versions_yxml] => Document.change_state (fn state =>
wenzelm@44673:       let
wenzelm@44673:         val versions =
wenzelm@44673:           YXML.parse_body versions_yxml |>
wenzelm@44673:             let open XML.Decode in list int end;
wenzelm@44676:         val state1 = Document.remove_versions versions state;
wenzelm@46774:         val _ = Output.protocol_message Isabelle_Markup.removed_versions versions_yxml;
wenzelm@44676:       in state1 end));
wenzelm@44673: 
wenzelm@44673: val _ =
wenzelm@46119:   Isabelle_Process.protocol_command "Document.invoke_scala"
wenzelm@43748:     (fn [id, tag, res] => Invoke_Scala.fulfill_method id tag res);
wenzelm@43748: 
wenzelm@38412: end;
wenzelm@38412: