(** {2 Initialization} *)
-let grafite_status = (ref None : GrafiteTypes.status option ref)
-let lexicon_status = (ref None : LexiconEngine.status option ref)
+let grafite_status = (ref [] : GrafiteTypes.status list ref)
+let lexicon_status = (ref [] : LexiconEngine.status list ref)
let run_script is eval_function =
let lexicon_status',grafite_status' =
match !lexicon_status,!grafite_status with
- | Some ss, Some s -> ss,s
+ | ss::_, s::_ -> ss,s
| _,_ -> assert false
in
let cb = fun _ _ -> () in
match eval_function lexicon_status' grafite_status' is cb with
[] -> raise End_of_file
| ((grafite_status'',lexicon_status''),None)::_ ->
- lexicon_status := Some lexicon_status'';
- grafite_status := Some grafite_status''
+ lexicon_status := lexicon_status''::!lexicon_status;
+ grafite_status := grafite_status''::!grafite_status
| (s,Some _)::_ -> raise AttemptToInsertAnAlias
with
| GrafiteEngine.Drop
raise exn
let clean_exit n =
- let opt_exit =
- function
- None -> ()
- | Some n -> exit n
- in
match !grafite_status with
- None -> opt_exit n
- | Some grafite_status ->
+ [] -> exit n
+ | grafite_status::_ ->
try
let baseuri = GrafiteTypes.get_string_option grafite_status "baseuri" in
LibraryClean.clean_baseuris ~verbose:false [baseuri];
- opt_exit n
+ exit n
with GrafiteTypes.Option_error("baseuri", "not found") ->
(* no baseuri ==> nothing to clean yet *)
- opt_exit n
+ exit n
-let terminate () =
+let terminate n =
let terminator = String.make 1 (Char.chr 249) in
- print_endline terminator;
- prerr_endline terminator
+ let prompt =
+ (match n with
+ None -> "-1"
+ | Some n -> string_of_int n) ^ terminator
+ in
+ print_endline prompt;
+ prerr_endline prompt
+;;
+
+let outer_syntax_parser () =
+ let text = ref "" in
+ let tag = ref `Do in
+ let callbacks =
+ { XmlPushParser.default_callbacks with
+ XmlPushParser.start_element =
+ (Some
+ (fun name attrs ->
+ match name with
+ "pgip" -> ()
+ | "doitem" -> tag := `Do
+ | "undoitem" -> tag := `Undo
+ | _ -> assert false)) ;
+ XmlPushParser.character_data =
+ (Some (fun s -> text := !text ^ s)) ;
+ XmlPushParser.end_element =
+ (Some
+ (function
+ "pgip" -> raise (XmlPushParser.Parse_error "EOC")
+ | "doitem"
+ | "undoitem" -> ()
+ | _ -> assert false))
+ }
+ in
+ let parse = XmlPushParser.create_parser callbacks in
+ try
+ XmlPushParser.parse parse (`Channel stdin) ;
+ raise End_of_file
+ with
+ XmlPushParser.Parse_error "no element found" -> raise End_of_file
+ | XmlPushParser.Parse_error "EOC" ->
+ match !tag with
+ `Do -> `Do !text
+ | `Undo ->
+ try
+ `Undo (int_of_string !text)
+ with
+ Failure _ -> assert false
;;
let rec interactive_loop () =
(* every loop is terminated by a terminator both on stdout and stderr *)
- let interactive_loop () = terminate(); interactive_loop () in
- let str = Ulexing.from_utf8_channel stdin in
- let watch_statuses lexicon_status grafite_status =
- match grafite_status.GrafiteTypes.proof_status with
- GrafiteTypes.Incomplete_proof
- {GrafiteTypes.proof = uri,metasenv,bo,ty,attrs ;
- GrafiteTypes.stack = stack } ->
- let open_goals = Continuationals.Stack.open_goals stack in
- print_endline
- (String.concat "\n"
- (List.map
- (fun i ->
- ApplyTransformation.txt_of_cic_sequent 80 metasenv
- (List.find (fun (j,_,_) -> j=i) metasenv)
- ) open_goals))
- | _ -> ()
- in
- let include_paths =
- Helm_registry.get_list Helm_registry.string "matita.includes" in
+ let interactive_loop n = terminate n; interactive_loop () in
try
- run_script str
- (MatitaEngine.eval_from_stream ~first_statement_only:true ~prompt:false
- ~include_paths ~watch_statuses) ;
- interactive_loop ()
+ match outer_syntax_parser () with
+ `Undo n ->
+ let rec drop =
+ function
+ 0,l -> l
+ | n,_::l -> drop (n-1,l)
+ | _,[] -> assert false
+ in
+ let to_be_dropped = List.length !lexicon_status - n in
+ let safe_hd = function [] -> assert false | he::_ -> he in
+ let cur_lexicon_status = safe_hd !lexicon_status in
+ let cur_grafite_status = safe_hd !grafite_status in
+ lexicon_status := drop (to_be_dropped, !lexicon_status) ;
+ grafite_status := drop (to_be_dropped, !grafite_status) ;
+ let lexicon_status = safe_hd !lexicon_status in
+ let grafite_status = safe_hd !grafite_status in
+ LexiconSync.time_travel
+ ~present:cur_lexicon_status ~past:lexicon_status;
+ GrafiteSync.time_travel
+ ~present:cur_grafite_status ~past:grafite_status;
+ interactive_loop (Some n)
+ | `Do command ->
+ let str = Ulexing.from_utf8_string command in
+ let watch_statuses lexicon_status grafite_status =
+ match grafite_status.GrafiteTypes.proof_status with
+ GrafiteTypes.Incomplete_proof
+ {GrafiteTypes.proof = uri,metasenv,bo,ty,attrs ;
+ GrafiteTypes.stack = stack } ->
+ let open_goals = Continuationals.Stack.open_goals stack in
+ print_endline
+ (String.concat "\n"
+ (List.map
+ (fun i ->
+ ApplyTransformation.txt_of_cic_sequent 80 metasenv
+ (List.find (fun (j,_,_) -> j=i) metasenv)
+ ) open_goals))
+ | _ -> ()
+ in
+ let include_paths =
+ Helm_registry.get_list Helm_registry.string "matita.includes"
+ in
+ run_script str
+ (MatitaEngine.eval_from_stream ~first_statement_only:true ~prompt:false
+ ~include_paths ~watch_statuses) ;
+ interactive_loop (Some (List.length !lexicon_status))
with
- | GrafiteEngine.Macro (floc,_) ->
- let x, y = HExtlib.loc_of_floc floc in
- HLog.error
- (sprintf "A macro has been found in a script at %d-%d" x y);
- interactive_loop ()
- | Sys.Break -> HLog.error "user break!"; interactive_loop ()
- | GrafiteTypes.Command_error _ -> interactive_loop ()
- | HExtlib.Localized (floc,CicNotationParser.Parse_error err) ->
- let x, y = HExtlib.loc_of_floc floc in
- HLog.error (sprintf "Parse error at %d-%d: %s" x y err);
- interactive_loop ()
- | End_of_file as exn -> raise exn
- | exn -> HLog.error (Printexc.to_string exn); interactive_loop ()
+ | GrafiteEngine.Macro (floc,_) ->
+ let x, y = HExtlib.loc_of_floc floc in
+ HLog.error
+ (sprintf "A macro has been found in a script at %d-%d" x y);
+ interactive_loop None
+ | Sys.Break -> HLog.error "user break!"; interactive_loop None
+ | GrafiteTypes.Command_error _ -> interactive_loop None
+ | HExtlib.Localized (floc,CicNotationParser.Parse_error err) ->
+ let x, y = HExtlib.loc_of_floc floc in
+ HLog.error (sprintf "Parse error at %d-%d: %s" x y err);
+ interactive_loop None
+ | End_of_file as exn -> raise exn
+ | exn -> HLog.error (Printexc.to_string exn); interactive_loop None
let main () =
MatitaInit.initialize_all ();
+ HLog.set_log_callback
+ (fun tag msg ->
+ let s =
+ match tag with
+ `Debug -> "<div style='color:blue'>Debug: " ^ msg ^ "</div><br/>\n"
+ | `Message -> "<div style='color:green'>Info: " ^ msg ^ "</div><br/>\n"
+ | `Warning -> "<div style='color:yellow'>Warn: " ^ msg ^ "</div><br/>\n"
+ | `Error -> "<div style='color:red'>Error: " ^ msg ^ "</div><br/>\n"
+ in
+ output_string stdout s;
+ flush stdout
+ );
(* must be called after init since args are set by cmdline parsing *)
let system_mode = Helm_registry.get_bool "matita.system" in
Helm_registry.set_int "matita.verbosity" 0;
let include_paths =
Helm_registry.get_list Helm_registry.string "matita.includes" in
- grafite_status := Some (GrafiteSync.init ());
+ grafite_status := [GrafiteSync.init ()];
lexicon_status :=
- Some (CicNotation2.load_notation ~include_paths
- BuildTimeConf.core_notation_script);
+ [CicNotation2.load_notation ~include_paths
+ BuildTimeConf.core_notation_script] ;
Sys.catch_break true;
let origcb = HLog.get_log_callback () in
let origcb t s = origcb t ((if system_mode then "[S] " else "") ^ s) in
interactive_loop ()
with
| End_of_file -> ()
- | GrafiteEngine.Drop -> clean_exit (Some 1)
+ | GrafiteEngine.Drop -> clean_exit 1
);
let proof_status,moo_content_rev,metadata,lexicon_content_rev =
match !lexicon_status,!grafite_status with
- | Some ss, Some s ->
+ | ss::_, s::_ ->
s.proof_status, s.moo_content_rev, ss.LexiconEngine.metadata,
ss.LexiconEngine.lexicon_content_rev
| _,_ -> assert false
begin
HLog.error
"there are still incomplete proofs at the end of the script";
- clean_exit (Some 2)
+ clean_exit 2
end
else
begin
let baseuri =
GrafiteTypes.get_string_option
(match !grafite_status with
- None -> assert false
- | Some s -> s) "baseuri" in
+ [] -> assert false
+ | s::_ -> s) "baseuri" in
let moo_fname =
LibraryMisc.obj_file_of_baseuri
~must_exist:false ~baseuri ~writable:true
with
| exn ->
if matita_debug then raise exn;
- clean_exit (Some 3)
+ clean_exit 3