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(* Title: Pure/PIDE/command.ML
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Author: Makarius
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Prover command execution.
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*)
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signature COMMAND =
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sig
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val parse_command: string -> string -> Token.T list
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val run_command: Toplevel.transition -> Toplevel.state -> Toplevel.state * unit lazy
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end;
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structure Command: COMMAND =
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struct
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(* parse *)
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fun parse_command id text =
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Position.setmp_thread_data (Position.id_only id)
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(fn () =>
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let
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val toks = Thy_Syntax.parse_tokens (#1 (Outer_Syntax.get_syntax ())) (Position.id id) text;
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val _ = Output.status (Markup.markup_only Isabelle_Markup.parsed);
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in toks end) ();
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(* run *)
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local
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fun run int tr st =
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(case Toplevel.transition int tr st of
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SOME (st', NONE) => ([], SOME st')
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| SOME (_, SOME (exn, _)) => (ML_Compiler.exn_messages exn, NONE)
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| NONE => ([(serial (), ML_Compiler.exn_message Runtime.TERMINATE)], NONE));
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fun timing tr t =
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if Timing.is_relevant t then Toplevel.status tr (Isabelle_Markup.timing t) else ();
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fun proof_status tr st =
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(case try Toplevel.proof_of st of
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SOME prf => Toplevel.status tr (Proof.status_markup prf)
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| NONE => ());
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val no_print = Lazy.value ();
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fun print_state tr st =
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(Lazy.lazy o Toplevel.setmp_thread_position tr)
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(fn () => Toplevel.print_state false st);
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in
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fun run_command tr st =
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let
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val is_init = Toplevel.is_init tr;
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val is_proof = Keyword.is_proof (Toplevel.name_of tr);
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val _ = Multithreading.interrupted ();
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val _ = Toplevel.status tr Isabelle_Markup.forked;
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val start = Timing.start ();
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val (errs, result) = run (is_init orelse is_proof) (Toplevel.set_print false tr) st;
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val _ = timing tr (Timing.result start);
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val _ = Toplevel.status tr Isabelle_Markup.joined;
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val _ = List.app (Toplevel.error_msg tr) errs;
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in
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(case result of
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NONE =>
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let
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val _ = if null errs then Exn.interrupt () else ();
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val _ = Toplevel.status tr Isabelle_Markup.failed;
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in (st, no_print) end
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| SOME st' =>
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let
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val _ = Toplevel.status tr Isabelle_Markup.finished;
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val _ = proof_status tr st';
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val do_print =
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not is_init andalso
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(Toplevel.print_of tr orelse (is_proof andalso Toplevel.is_proof st'));
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in (st', if do_print then print_state tr st' else no_print) end)
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end;
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end;
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end;
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