more efficient inlined properties, especially relevant for voluminous tasks trace;
1 (* Title: Pure/System/session.ML
2 Author: Markus Wenzel, TU Muenchen
4 Session management -- maintain state of logic images.
9 val id: unit -> string list
10 val name: unit -> string
11 val path: unit -> string list
12 val welcome: unit -> string
13 val finish: unit -> unit
14 val init: bool -> bool -> bool -> string -> string -> bool -> string -> (string * string) list ->
15 string -> string -> bool * string -> string -> bool -> unit
16 val with_timing: string -> bool -> ('a -> 'b) -> 'a -> 'b
17 val use_dir: string -> string -> bool -> string list -> bool -> bool -> string ->
18 string -> bool -> string list -> string -> string -> bool * string ->
19 string -> int -> bool -> bool -> int -> int -> int -> int -> unit
22 structure Session: SESSION =
27 val session = Unsynchronized.ref ([Context.PureN]: string list);
28 val session_finished = Unsynchronized.ref false;
30 fun id () = ! session;
31 fun name () = "Isabelle/" ^ List.last (! session);
36 val session_path = Unsynchronized.ref ([]: string list);
37 val remote_path = Unsynchronized.ref (NONE: Url.T option);
39 fun path () = ! session_path;
45 if Distribution.is_official then
46 "Welcome to " ^ name () ^ " (" ^ Distribution.version ^ ")"
47 else "Unofficial version of " ^ name () ^ " (" ^ Distribution.version ^ ")";
52 fun add_path reset s =
53 let val sess = ! session @ [s] in
54 (case duplicates (op =) sess of
55 [] => (session := sess; session_path := ((if reset then [] else ! session_path) @ [s]))
56 | dups => error ("Duplicate session identifiers " ^ commas_quote dups))
62 fun init_name reset parent name =
63 if not (member (op =) (! session) parent) orelse not (! session_finished) then
64 error ("Unfinished parent session " ^ quote parent ^ " for " ^ quote name)
65 else (add_path reset name; session_finished := false);
70 fun finish_futures () =
71 (case map_filter Task_Queue.group_status (Goal.reset_futures ()) of
73 | exns => raise Par_Exn.make exns);
81 Outer_Syntax.check_syntax ();
82 Options.reset_default ();
84 session_finished := true);
89 fun with_timing name verbose f x =
91 val start = Timing.start ();
93 val timing = Timing.result start;
95 val threads = string_of_int (Multithreading.max_threads_value ());
96 val factor = Time.toReal (#cpu timing) / Time.toReal (#elapsed timing)
97 |> Real.fmt (StringCvt.FIX (SOME 2));
100 [("threads", threads)] @ Markup.timing_properties timing @ [("factor", factor)];
101 val _ = writeln ("\fTiming = " ^ YXML.string_of_body (XML.Encode.properties timing_props));
104 Output.physical_stderr ("Timing " ^ name ^ " (" ^
105 threads ^ " threads, " ^ Timing.message timing ^ ", factor " ^ factor ^ ")\n")
109 fun get_rpath rpath =
110 (if rpath = "" then () else
111 if is_some (! remote_path) then
112 error "Path for remote theory browsing information may only be set once"
114 remote_path := SOME (Url.explode rpath);
115 (! remote_path, rpath <> ""));
117 fun init build reset info info_path doc doc_graph doc_output doc_variants
118 parent name doc_dump rpath verbose =
119 (init_name reset parent name;
120 Present.init build info info_path (if doc = "false" then "" else doc) doc_graph doc_output
121 doc_variants (path ()) name doc_dump (get_rpath rpath) verbose
122 (map Thy_Info.get_theory (Thy_Info.get_names ())));
126 fun read_variants strs =
127 rev (distinct (eq_fst (op =)) (rev (("document", "") :: map Present.read_variant strs)))
128 |> filter_out (fn (_, s) => s = "-");
132 fun use_dir item root build modes reset info info_path doc doc_graph doc_variants parent
133 name doc_dump rpath level timing verbose max_threads trace_threads
134 parallel_proofs parallel_proofs_threshold =
138 Output.physical_stderr
139 "### Legacy feature: old \"isabelle usedir\" -- use \"isabelle build\" instead!\n";
141 init build reset info info_path doc doc_graph "" (read_variants doc_variants) parent name
142 doc_dump rpath verbose;
143 val res1 = (use |> with_timing item timing |> Exn.capture) root;
144 val res2 = Exn.capture finish ();
145 in ignore (Par_Exn.release_all [res1, res2]) end)
146 |> Unsynchronized.setmp Proofterm.proofs level
147 |> Unsynchronized.setmp print_mode (modes @ print_mode_value ())
148 |> Unsynchronized.setmp Goal.parallel_proofs parallel_proofs
149 |> Unsynchronized.setmp Goal.parallel_proofs_threshold parallel_proofs_threshold
150 |> Unsynchronized.setmp Multithreading.trace trace_threads
151 |> Unsynchronized.setmp Multithreading.max_threads
152 (if Multithreading.available then max_threads
153 else (if max_threads = 1 then () else warning "Multithreading support unavailable"; 1))) ()
154 handle exn => (Output.error_msg (ML_Compiler.exn_message exn); exit 1);