(* Title: Pure/PIDE/protocol.ML
Author: Makarius
Protocol message formats for interactive proof documents.
*)
structure Protocol: sig end =
struct
val _ =
Isabelle_Process.protocol_command "Document.define_command"
(fn [id, name, text] =>
Document.change_state (Document.define_command (Document.parse_id id) name text));
val _ =
Isabelle_Process.protocol_command "Document.discontinue_execution"
(fn [] => Document.discontinue_execution (Document.state ()));
val _ =
Isabelle_Process.protocol_command "Document.cancel_execution"
(fn [] => Document.cancel_execution (Document.state ()));
val _ =
Isabelle_Process.protocol_command "Document.update"
(fn [old_id_string, new_id_string, edits_yxml] => Document.change_state (fn state =>
let
val _ = Document.cancel_execution state;
val old_id = Document.parse_id old_id_string;
val new_id = Document.parse_id new_id_string;
val edits =
YXML.parse_body edits_yxml |>
let open XML.Decode in
list (pair string
(variant
[fn ([], []) => Document.Clear, (* FIXME unused !? *)
fn ([], a) => Document.Edits (list (pair (option int) (option int)) a),
fn ([], a) =>
let
val (master, (name, (imports, (keywords, errors)))) =
pair string (pair string (pair (list string)
(pair (list (pair string
(option (pair (pair string (list string)) (list string)))))
(list string)))) a;
val imports' = map (rpair Position.none) imports;
val header = Thy_Header.make (name, Position.none) imports' keywords;
in Document.Deps (master, header, errors) end,
fn (a, []) => Document.Perspective (map int_atom a)]))
end;
val (assignment, state') = Document.update old_id new_id edits state;
val _ =
Output.protocol_message Markup.assign_execs
((new_id, assignment) |>
let open XML.Encode
in pair int (list (pair int (option int))) end
|> YXML.string_of_body);
val _ = List.app Future.cancel_group (Goal.reset_futures ());
val _ = Isabelle_Process.reset_tracing ();
val _ = Document.start_execution state';
in state' end));
val _ =
Isabelle_Process.protocol_command "Document.remove_versions"
(fn [versions_yxml] => Document.change_state (fn state =>
let
val versions =
YXML.parse_body versions_yxml |>
let open XML.Decode in list int end;
val state1 = Document.remove_versions versions state;
val _ = Output.protocol_message Markup.removed_versions versions_yxml;
in state1 end));
val _ =
Isabelle_Process.protocol_command "Document.dialog_result"
(fn [serial, result] =>
Active.dialog_result (Markup.parse_int serial) result
handle exn => if Exn.is_interrupt exn then () else reraise exn);
end;