provide theory timing information, similar to command timing but always considered relevant;
(* Title: Pure/Tools/build.ML
Author: Makarius
Build Isabelle sessions.
*)
signature BUILD =
sig
val build: string -> unit
end;
structure Build: BUILD =
struct
(* command timings *)
type timings = ((string * Time.time) Inttab.table) Symtab.table; (*file -> offset -> name, time*)
val empty_timings: timings = Symtab.empty;
fun update_timings props =
(case Markup.parse_command_timing_properties props of
SOME ({file, offset, name}, time) =>
Symtab.map_default (file, Inttab.empty)
(Inttab.map_default (offset, (name, time)) (fn (_, t) => (name, t + time)))
| NONE => I);
fun approximative_id name pos =
(case (Position.file_of pos, Position.offset_of pos) of
(SOME file, SOME offset) =>
if name = "" then NONE else SOME {file = file, offset = offset, name = name}
| _ => NONE);
fun get_timings timings tr =
(case approximative_id (Toplevel.name_of tr) (Toplevel.pos_of tr) of
SOME {file, offset, name} =>
(case Symtab.lookup timings file of
SOME offsets =>
(case Inttab.lookup offsets offset of
SOME (name', time) => if name = name' then SOME time else NONE
| NONE => NONE)
| NONE => NONE)
| NONE => NONE)
|> the_default Time.zeroTime;
(* session timing *)
fun session_timing name verbose f x =
let
val start = Timing.start ();
val y = f x;
val timing = Timing.result start;