src/Pure/Isar/toplevel.ML
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Mon, 25 Feb 2013 13:29:19 +0100
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(*  Title:      Pure/Isar/toplevel.ML
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    Author:     Markus Wenzel, TU Muenchen
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Isabelle/Isar toplevel transactions.
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*)
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signature TOPLEVEL =
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sig
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  exception UNDEF
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  type state
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  val toplevel: state
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  val is_toplevel: state -> bool
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  val is_theory: state -> bool
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  val is_proof: state -> bool
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  val level: state -> int
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  val presentation_context_of: state -> Proof.context
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  val previous_context_of: state -> Proof.context option
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  val context_of: state -> Proof.context
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  val generic_theory_of: state -> generic_theory
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  val theory_of: state -> theory
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  val proof_of: state -> Proof.state
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  val proof_position_of: state -> int
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  val end_theory: Position.T -> state -> theory
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  val print_state_context: state -> unit
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  val print_state: bool -> state -> unit
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  val pretty_abstract: state -> Pretty.T
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  val quiet: bool Unsynchronized.ref
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  val debug: bool Unsynchronized.ref
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  val interact: bool Unsynchronized.ref
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  val timing: bool Unsynchronized.ref
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  val profiling: int Unsynchronized.ref
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  val skip_proofs: bool Unsynchronized.ref
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  val program: (unit -> 'a) -> 'a
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  val thread: bool -> (unit -> unit) -> Thread.thread
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  type transition
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  val empty: transition
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  val print_of: transition -> bool
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  val name_of: transition -> string
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  val pos_of: transition -> Position.T
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  val name: string -> transition -> transition
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  val position: Position.T -> transition -> transition
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  val interactive: bool -> transition -> transition
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  val set_print: bool -> transition -> transition
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  val print: transition -> transition
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  val no_timing: transition -> transition
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  val init_theory: (unit -> theory) -> transition -> transition
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  val is_init: transition -> bool
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  val modify_init: (unit -> theory) -> transition -> transition
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  val exit: transition -> transition
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  val keep: (state -> unit) -> transition -> transition
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  val keep': (bool -> state -> unit) -> transition -> transition
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  val imperative: (unit -> unit) -> transition -> transition
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  val ignored: Position.T -> transition
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  val is_ignored: transition -> bool
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  val malformed: Position.T -> string -> transition
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  val is_malformed: transition -> bool
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  val generic_theory: (generic_theory -> generic_theory) -> transition -> transition
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  val theory': (bool -> theory -> theory) -> transition -> transition
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  val theory: (theory -> theory) -> transition -> transition
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  val begin_local_theory: bool -> (theory -> local_theory) -> transition -> transition
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  val end_local_theory: transition -> transition
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  val open_target: (generic_theory -> local_theory) -> transition -> transition
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  val close_target: transition -> transition
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  val local_theory': (xstring * Position.T) option -> (bool -> local_theory -> local_theory) ->
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    transition -> transition
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  val local_theory: (xstring * Position.T) option -> (local_theory -> local_theory) ->
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    transition -> transition
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  val present_local_theory: (xstring * Position.T) option -> (state -> unit) ->
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    transition -> transition
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  val local_theory_to_proof': (xstring * Position.T) option ->
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    (bool -> local_theory -> Proof.state) -> transition -> transition
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  val local_theory_to_proof: (xstring * Position.T) option ->
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    (local_theory -> Proof.state) -> transition -> transition
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  val theory_to_proof: (theory -> Proof.state) -> transition -> transition
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  val end_proof: (bool -> Proof.state -> Proof.context) -> transition -> transition
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  val forget_proof: transition -> transition
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  val present_proof: (state -> unit) -> transition -> transition
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  val proofs': (bool -> Proof.state -> Proof.state Seq.result Seq.seq) -> transition -> transition
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  val proof': (bool -> Proof.state -> Proof.state) -> transition -> transition
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  val proofs: (Proof.state -> Proof.state Seq.result Seq.seq) -> transition -> transition
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  val proof: (Proof.state -> Proof.state) -> transition -> transition
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  val actual_proof: (Proof_Node.T -> Proof_Node.T) -> transition -> transition
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  val skip_proof: (int -> int) -> transition -> transition
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  val skip_proof_to_theory: (int -> bool) -> transition -> transition
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  val get_id: transition -> string option
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  val put_id: string -> transition -> transition
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  val unknown_theory: transition -> transition
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  val unknown_proof: transition -> transition
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  val unknown_context: transition -> transition
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  val setmp_thread_position: transition -> ('a -> 'b) -> 'a -> 'b
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  val status: transition -> Markup.T -> unit
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  val add_hook: (transition -> state -> state -> unit) -> unit
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  val approximative_id: transition -> {file: string, offset: int, name: string} option
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  val get_timing: transition -> Time.time
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  val put_timing: Time.time -> transition -> transition
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  val transition: bool -> transition -> state -> (state * (exn * string) option) option
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  val command: transition -> state -> state
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  val element_result: transition Thy_Syntax.element -> state ->
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    (transition * state) list future * state
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end;
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structure Toplevel: TOPLEVEL =
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struct
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(** toplevel state **)
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exception UNDEF = Runtime.UNDEF;
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(* local theory wrappers *)
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val loc_init = Named_Target.context_cmd;
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val loc_exit = Local_Theory.assert_bottom true #> Local_Theory.exit_global;
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fun loc_begin loc (Context.Theory thy) =
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      (Context.Theory o loc_exit, loc_init (the_default ("-", Position.none) loc) thy)
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  | loc_begin NONE (Context.Proof lthy) =
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      (Context.Proof o Local_Theory.restore, lthy)
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  | loc_begin (SOME loc) (Context.Proof lthy) =
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      (Context.Proof o Named_Target.reinit lthy, loc_init loc (loc_exit lthy));
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(* datatype node *)
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datatype node =
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  Theory of generic_theory * Proof.context option
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    (*theory with presentation context*) |
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  Proof of Proof_Node.T * ((Proof.context -> generic_theory) * generic_theory)
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    (*proof node, finish, original theory*) |
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  SkipProof of int * (generic_theory * generic_theory);
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    (*proof depth, resulting theory, original theory*)
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val theory_node = fn Theory (gthy, _) => SOME gthy | _ => NONE;
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val proof_node = fn Proof (prf, _) => SOME prf | _ => NONE;
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fun cases_node f _ (Theory (gthy, _)) = f gthy
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  | cases_node _ g (Proof (prf, _)) = g (Proof_Node.current prf)
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  | cases_node f _ (SkipProof (_, (gthy, _))) = f gthy;
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val context_node = cases_node Context.proof_of Proof.context_of;
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(* datatype state *)
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datatype state = State of node option * node option;  (*current, previous*)
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val toplevel = State (NONE, NONE);
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fun is_toplevel (State (NONE, _)) = true
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  | is_toplevel _ = false;
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fun level (State (NONE, _)) = 0
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  | level (State (SOME (Theory _), _)) = 0
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  | level (State (SOME (Proof (prf, _)), _)) = Proof.level (Proof_Node.current prf)
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  | level (State (SOME (SkipProof (d, _)), _)) = d + 1;   (*different notion of proof depth!*)
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fun str_of_state (State (NONE, _)) = "at top level"
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  | str_of_state (State (SOME (Theory (Context.Theory _, _)), _)) = "in theory mode"
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  | str_of_state (State (SOME (Theory (Context.Proof _, _)), _)) = "in local theory mode"
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  | str_of_state (State (SOME (Proof _), _)) = "in proof mode"
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  | str_of_state (State (SOME (SkipProof _), _)) = "in skipped proof mode";
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(* current node *)
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fun node_of (State (NONE, _)) = raise UNDEF
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  | node_of (State (SOME node, _)) = node;
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fun is_theory state = not (is_toplevel state) andalso is_some (theory_node (node_of state));
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fun is_proof state = not (is_toplevel state) andalso is_some (proof_node (node_of state));
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fun node_case f g state = cases_node f g (node_of state);
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fun presentation_context_of state =
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  (case try node_of state of
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    SOME (Theory (_, SOME ctxt)) => ctxt
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  | SOME node => context_node node
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  | NONE => raise UNDEF);
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fun previous_context_of (State (_, NONE)) = NONE
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  | previous_context_of (State (_, SOME prev)) = SOME (context_node prev);
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val context_of = node_case Context.proof_of Proof.context_of;
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val generic_theory_of = node_case I (Context.Proof o Proof.context_of);
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val theory_of = node_case Context.theory_of Proof.theory_of;
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val proof_of = node_case (fn _ => raise UNDEF) I;
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fun proof_position_of state =
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  (case node_of state of
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    Proof (prf, _) => Proof_Node.position prf
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  | _ => raise UNDEF);
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fun end_theory _ (State (NONE, SOME (Theory (Context.Theory thy, _)))) = thy
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  | end_theory pos (State (NONE, _)) = error ("Bad theory" ^ Position.here pos)
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  | end_theory pos (State (SOME _, _)) = error ("Unfinished theory" ^ Position.here pos);
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(* print state *)
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val pretty_context = Local_Theory.pretty o Context.cases (Named_Target.theory_init) I;
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fun print_state_context state =
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  (case try node_of state of
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    NONE => []
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  | SOME (Theory (gthy, _)) => pretty_context gthy
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  | SOME (Proof (_, (_, gthy))) => pretty_context gthy
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  | SOME (SkipProof (_, (gthy, _))) => pretty_context gthy)
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  |> Pretty.chunks |> Pretty.writeln;
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fun print_state prf_only state =
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  (case try node_of state of
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    NONE => []
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  | SOME (Theory (gthy, _)) => if prf_only then [] else pretty_context gthy
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  | SOME (Proof (prf, _)) =>
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      Proof.pretty_state (Proof_Node.position prf) (Proof_Node.current prf)
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  | SOME (SkipProof (d, _)) => [Pretty.str ("skipped proof: depth " ^ string_of_int d)])
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  |> Pretty.markup_chunks Markup.state |> Pretty.writeln;
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fun pretty_abstract state = Pretty.str ("<Isar " ^ str_of_state state ^ ">");
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(** toplevel transitions **)
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val quiet = Unsynchronized.ref false;
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val debug = Runtime.debug;
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val interact = Unsynchronized.ref false;
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val timing = Unsynchronized.ref false;
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val profiling = Unsynchronized.ref 0;
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val skip_proofs = Unsynchronized.ref false;
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fun program body =
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 (body
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  |> Runtime.controlled_execution
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  |> Runtime.toplevel_error (Output.error_msg o ML_Compiler.exn_message)) ();
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fun thread interrupts body =
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  Thread.fork
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    (((fn () => body () handle exn => if Exn.is_interrupt exn then () else reraise exn)
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        |> Runtime.debugging
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        |> Runtime.toplevel_error
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          (fn exn =>
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            Output.urgent_message ("## INTERNAL ERROR ##\n" ^ ML_Compiler.exn_message exn))),
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      Simple_Thread.attributes interrupts);
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(* node transactions -- maintaining stable checkpoints *)
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exception FAILURE of state * exn;
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6689
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local
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fun reset_presentation (Theory (gthy, _)) = Theory (gthy, NONE)
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  | reset_presentation node = node;
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fun is_draft_theory (Theory (gthy, _)) = Context.is_draft (Context.theory_of gthy)
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  | is_draft_theory _ = false;
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fun is_stale state = Context.is_stale (theory_of state) handle Runtime.UNDEF => false;
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fun stale_error NONE = SOME (ERROR "Stale theory encountered after successful execution!")
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  | stale_error some = some;
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fun map_theory f (Theory (gthy, ctxt)) =
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      Theory (Context.mapping f (Local_Theory.raw_theory f) gthy, ctxt)
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  | map_theory _ node = node;
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in
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fun apply_transaction f g node =
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  let
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    val _ = is_draft_theory node andalso error "Illegal draft theory in toplevel state";
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    val cont_node = reset_presentation node;
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    val back_node = map_theory (Theory.checkpoint o Theory.copy) cont_node;
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    fun state_error e nd = (State (SOME nd, SOME node), e);
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    val (result, err) =
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      cont_node
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      |> Runtime.controlled_execution f
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      |> map_theory Theory.checkpoint
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      |> state_error NONE
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      handle exn => state_error (SOME exn) cont_node;
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    val (result', err') =
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      if is_stale result then state_error (stale_error err) back_node
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      else (result, err);
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  in
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    (case err' of
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      NONE => tap g result'
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    | SOME exn => raise FAILURE (result', exn))
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  end;
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val exit_transaction =
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  apply_transaction
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    (fn Theory (Context.Theory thy, _) => Theory (Context.Theory (Theory.end_theory thy), NONE)
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      | node => node) (K ())
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  #> (fn State (node', _) => State (NONE, node'));
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end;
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(* primitive transitions *)
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datatype trans =
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88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
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   305
  Init of unit -> theory |               (*init theory*)
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ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
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   306
  Exit |                                 (*formal exit of theory*)
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  Keep of bool -> state -> unit |        (*peek at state*)
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  Transaction of (bool -> node -> node) * (state -> unit);  (*node transaction and presentation*)
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9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
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local
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44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
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fun apply_tr _ (Init f) (State (NONE, _)) =
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e2d5d7f51aa3 init_theory: Runtime.controlled_execution for proper exception trace etc.;
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      State (SOME (Theory (Context.Theory
44186
806f0ec1a43d simplified Toplevel.init_theory: discontinued special master argument;
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   314
          (Theory.checkpoint (Runtime.controlled_execution f ())), NONE)), NONE)
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  | apply_tr _ Exit (State (SOME (state as Theory (Context.Theory _, _)), _)) =
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      exit_transaction state
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  | apply_tr int (Keep f) state =
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
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   318
      Runtime.controlled_execution (fn x => tap (f int) x) state
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a08a2b962a09 eliminated dead code;
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   319
  | apply_tr int (Transaction (f, g)) (State (SOME state, _)) =
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   320
      apply_transaction (fn x => f int x) g state
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   321
  | apply_tr _ _ _ = raise UNDEF;
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   323
fun apply_union _ [] state = raise FAILURE (state, UNDEF)
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   324
  | apply_union int (tr :: trs) state =
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   325
      apply_union int trs state
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   326
        handle Runtime.UNDEF => apply_tr int tr state
a08a2b962a09 eliminated dead code;
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   327
          | FAILURE (alt_state, UNDEF) => apply_tr int tr alt_state
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   328
          | exn as FAILURE _ => raise exn
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   329
          | exn => raise FAILURE (state, exn);
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   330
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   331
in
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   332
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   333
fun apply_trans int trs state = (apply_union int trs state, NONE)
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08c8dad8e399 Deleted Library.option type.
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   334
  handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn);
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   336
end;
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   338
1feeadaad6a9 The Isabelle/Isar toplevel.
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   339
(* datatype transition *)
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   340
1feeadaad6a9 The Isabelle/Isar toplevel.
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   341
datatype transition = Transition of
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78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
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   342
 {name: string,              (*command name*)
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   343
  pos: Position.T,           (*source position*)
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  int_only: bool,            (*interactive-only*)
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   345
  print: bool,               (*print result state*)
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   346
  no_timing: bool,           (*suppress timing*)
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  timing: Time.time,         (*prescient timing information*)
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  trans: trans list};        (*primitive transitions (union)*)
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   350
fun make_transition (name, pos, int_only, print, no_timing, timing, trans) =
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   351
  Transition {name = name, pos = pos, int_only = int_only, print = print,
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   352
    no_timing = no_timing, timing = timing, trans = trans};
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   353
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   354
fun map_transition f (Transition {name, pos, int_only, print, no_timing, timing, trans}) =
65ab2c4f4c32 support for prescient timing information within command transactions;
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   355
  make_transition (f (name, pos, int_only, print, no_timing, timing, trans));
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   356
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dff3471dd8bc more tight representation of command timing;
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   357
val empty = make_transition ("", Position.none, false, false, false, Time.zeroTime, []);
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   358
1feeadaad6a9 The Isabelle/Isar toplevel.
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   359
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
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   360
(* diagnostics *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
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   361
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
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   362
fun print_of (Transition {print, ...}) = print;
27427
f6751d265cf6 added name_of;
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   363
fun name_of (Transition {name, ...}) = name;
28105
44054657ea56 added pos_of;
wenzelm
parents: 28103
diff changeset
   364
fun pos_of (Transition {pos, ...}) = pos;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
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   365
48993
44428ea53dc1 tuned signature;
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   366
fun command_msg msg tr = msg ^ "command " ^ quote (name_of tr) ^ Position.here (pos_of tr);
38875
c7a66b584147 tuned messages: discontinued spurious full-stops (messages are occasionally composed unexpectedly);
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   367
fun at_command tr = command_msg "At " tr;
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   368
1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
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   369
fun type_error tr state =
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
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   370
  ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state);
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   371
1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
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   372
1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
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   373
(* modify transitions *)
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parents:
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   374
51217
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   375
fun name name = map_transition (fn (_, pos, int_only, print, no_timing, timing, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
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   376
  (name, pos, int_only, print, no_timing, timing, trans));
9010
ce78dc5e1a73 Toplevel.no_timing;
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   377
51217
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diff changeset
   378
fun position pos = map_transition (fn (name, _, int_only, print, no_timing, timing, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
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diff changeset
   379
  (name, pos, int_only, print, no_timing, timing, trans));
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   380
51217
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diff changeset
   381
fun interactive int_only = map_transition (fn (name, pos, _, print, no_timing, timing, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
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diff changeset
   382
  (name, pos, int_only, print, no_timing, timing, trans));
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
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diff changeset
   383
51217
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
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diff changeset
   384
val no_timing = map_transition (fn (name, pos, int_only, print, _, timing, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   385
  (name, pos, int_only, print, true, timing, trans));
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   386
51217
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   387
fun add_trans tr = map_transition (fn (name, pos, int_only, print, no_timing, timing, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   388
  (name, pos, int_only, print, no_timing, timing, tr :: trans));
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   389
51217
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   390
val reset_trans = map_transition (fn (name, pos, int_only, print, no_timing, timing, _) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   391
  (name, pos, int_only, print, no_timing, timing, []));
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   392
51217
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   393
fun set_print print = map_transition (fn (name, pos, int_only, _, no_timing, timing, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   394
  (name, pos, int_only, print, no_timing, timing, trans));
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   395
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   396
val print = set_print true;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   397
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   398
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   399
(* basic transitions *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   400
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   401
fun init_theory f = add_trans (Init f);
37977
3ceccd415145 simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents: 37953
diff changeset
   402
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   403
fun is_init (Transition {trans = [Init _], ...}) = true
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   404
  | is_init _ = false;
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   405
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   406
fun modify_init f tr = if is_init tr then init_theory f (reset_trans tr) else tr;
37977
3ceccd415145 simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents: 37953
diff changeset
   407
6689
wenzelm
parents: 6664
diff changeset
   408
val exit = add_trans Exit;
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   409
val keep' = add_trans o Keep;
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   410
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   411
fun present_transaction f g = add_trans (Transaction (f, g));
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   412
fun transaction f = present_transaction f (K ());
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   413
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   414
fun keep f = add_trans (Keep (fn _ => f));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   415
fun imperative f = keep (fn _ => f ());
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   416
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   417
fun ignored pos = empty |> name "<ignored>" |> position pos |> imperative I;
51268
fcc4b89a600d simplified Outer_Syntax.read_span: internalized Toplevel.is_ignored;
wenzelm
parents: 51241
diff changeset
   418
fun is_ignored tr = name_of tr = "<ignored>";
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   419
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   420
val malformed_name = "<malformed>";
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   421
fun malformed pos msg =
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   422
  empty |> name malformed_name |> position pos |> imperative (fn () => error msg);
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   423
fun is_malformed tr = name_of tr = malformed_name;
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   424
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   425
val unknown_theory = imperative (fn () => warning "Unknown theory context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   426
val unknown_proof = imperative (fn () => warning "Unknown proof context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   427
val unknown_context = imperative (fn () => warning "Unknown context");
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   428
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   429
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   430
(* theory transitions *)
44304
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   431
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   432
fun generic_theory f = transaction (fn _ =>
26491
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   433
  (fn Theory (gthy, _) => Theory (f gthy, NONE)
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   434
    | _ => raise UNDEF));
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   435
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   436
fun theory' f = transaction (fn int =>
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   437
  (fn Theory (Context.Theory thy, _) =>
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   438
      let val thy' = thy
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   439
        |> Sign.new_group
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   440
        |> Theory.checkpoint
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   441
        |> f int
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   442
        |> Sign.reset_group;
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   443
      in Theory (Context.Theory thy', NONE) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   444
    | _ => raise UNDEF));
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   445
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   446
fun theory f = theory' (K f);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   447
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   448
fun begin_local_theory begin f = transaction (fn _ =>
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   449
  (fn Theory (Context.Theory thy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   450
        let
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   451
          val lthy = f thy;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   452
          val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy);
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   453
        in Theory (gthy, SOME lthy) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   454
    | _ => raise UNDEF));
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   455
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   456
val end_local_theory = transaction (fn _ =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   457
  (fn Theory (Context.Proof lthy, _) => Theory (Context.Theory (loc_exit lthy), SOME lthy)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   458
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   459
47069
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   460
fun open_target f = transaction (fn _ =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   461
  (fn Theory (gthy, _) =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   462
        let val lthy = f gthy
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   463
        in Theory (Context.Proof lthy, SOME lthy) end
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   464
    | _ => raise UNDEF));
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   465
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   466
val close_target = transaction (fn _ =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   467
  (fn Theory (Context.Proof lthy, _) =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   468
        (case try Local_Theory.close_target lthy of
50739
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   469
          SOME ctxt' =>
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   470
            let
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   471
              val gthy' =
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   472
                if can Local_Theory.assert ctxt'
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   473
                then Context.Proof ctxt'
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   474
                else Context.Theory (Proof_Context.theory_of ctxt');
5165d7e6d3b9 more precise Local_Theory.level: 1 really means main target and >= 2 nested context;
wenzelm
parents: 50201
diff changeset
   475
            in Theory (gthy', SOME lthy) end
47069
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   476
        | NONE => raise UNDEF)
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   477
    | _ => raise UNDEF));
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   478
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   479
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   480
local
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   481
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   482
fun local_theory_presentation loc f = present_transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   483
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   484
        let
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49042
diff changeset
   485
          val (finish, lthy) = loc_begin loc gthy;
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   486
          val lthy' = lthy
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   487
            |> Local_Theory.new_group
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   488
            |> f int
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   489
            |> Local_Theory.reset_group;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   490
        in Theory (finish lthy', SOME lthy') end
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   491
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   492
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   493
in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   494
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   495
fun local_theory' loc f = local_theory_presentation loc f (K ());
29380
a9ee3475abf4 added local_theory';
wenzelm
parents: 29343
diff changeset
   496
fun local_theory loc f = local_theory' loc (K f);
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   497
fun present_local_theory loc = local_theory_presentation loc (K I);
18955
fa71f2ddd2e8 added local_theory, with optional locale xname;
wenzelm
parents: 18811
diff changeset
   498
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   499
end;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   500
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   501
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   502
(* proof transitions *)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   503
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   504
fun end_proof f = transaction (fn int =>
24795
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   505
  (fn Proof (prf, (finish, _)) =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   506
        let val state = Proof_Node.current prf in
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   507
          if can (Proof.assert_bottom true) state then
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   508
            let
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   509
              val ctxt' = f int state;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   510
              val gthy' = finish ctxt';
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   511
            in Theory (gthy', SOME ctxt') end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   512
          else raise UNDEF
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   513
        end
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   514
    | SkipProof (0, (gthy, _)) => Theory (gthy, NONE)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   515
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   516
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   517
local
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   518
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   519
fun begin_proof init = transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   520
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   521
    let
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   522
      val (finish, prf) = init int gthy;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   523
      val skip = ! skip_proofs;
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   524
      val (is_goal, no_skip) =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   525
        (true, Proof.schematic_goal prf) handle ERROR _ => (false, true);
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   526
      val _ =
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   527
        if is_goal andalso skip andalso no_skip then
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   528
          warning "Cannot skip proof of schematic goal statement"
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   529
        else ();
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   530
    in
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   531
      if skip andalso not no_skip then
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   532
        SkipProof (0, (finish (Proof.global_skip_proof int prf), gthy))
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   533
      else Proof (Proof_Node.init prf, (finish, gthy))
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   534
    end
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   535
  | _ => raise UNDEF));
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   536
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   537
in
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   538
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   539
fun local_theory_to_proof' loc f = begin_proof
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   540
  (fn int => fn gthy =>
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49042
diff changeset
   541
    let val (finish, lthy) = loc_begin loc gthy
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   542
    in (finish o Local_Theory.reset_group, f int (Local_Theory.new_group lthy)) end);
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   543
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
   544
fun local_theory_to_proof loc f = local_theory_to_proof' loc (K f);
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   545
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   546
fun theory_to_proof f = begin_proof
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   547
  (fn _ => fn gthy =>
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   548
    (Context.Theory o Sign.reset_group o Proof_Context.theory_of,
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49042
diff changeset
   549
      (case gthy of
49012
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   550
        Context.Theory thy => f (Theory.checkpoint (Sign.new_group thy))
8686c36fa27d refined treatment of forked proofs at transaction boundaries, including proof commands (see also 7ee000ce5390);
wenzelm
parents: 49011
diff changeset
   551
      | _ => raise UNDEF)));
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   552
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   553
end;
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   554
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   555
val forget_proof = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   556
  (fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   557
    | SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   558
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   559
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   560
val present_proof = present_transaction (fn _ =>
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49042
diff changeset
   561
  (fn Proof (prf, x) => Proof (Proof_Node.apply I prf, x)
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   562
    | skip as SkipProof _ => skip
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   563
    | _ => raise UNDEF));
21177
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
   564
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   565
fun proofs' f = transaction (fn int =>
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49042
diff changeset
   566
  (fn Proof (prf, x) => Proof (Proof_Node.applys (f int) prf, x)
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   567
    | skip as SkipProof _ => skip
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   568
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   569
49863
b5fb6e7f8d81 more informative errors for 'proof' and 'apply' steps;
wenzelm
parents: 49062
diff changeset
   570
fun proof' f = proofs' ((Seq.single o Seq.Result) oo f);
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   571
val proofs = proofs' o K;
6689
wenzelm
parents: 6664
diff changeset
   572
val proof = proof' o K;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   573
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   574
fun actual_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   575
  (fn Proof (prf, x) => Proof (f prf, x)
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   576
    | _ => raise UNDEF));
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   577
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   578
fun skip_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   579
  (fn SkipProof (h, x) => SkipProof (f h, x)
18563
wenzelm
parents: 17904
diff changeset
   580
    | _ => raise UNDEF));
wenzelm
parents: 17904
diff changeset
   581
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   582
fun skip_proof_to_theory pred = transaction (fn _ =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   583
  (fn SkipProof (d, (gthy, _)) => if pred d then Theory (gthy, NONE) else raise UNDEF
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   584
    | _ => raise UNDEF));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   585
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   586
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   587
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   588
(** toplevel transactions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   589
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   590
(* identification *)
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   591
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   592
fun get_id (Transition {pos, ...}) = Position.get_id pos;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   593
fun put_id id (tr as Transition {pos, ...}) = position (Position.put_id id pos) tr;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   594
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   595
51228
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   596
(* approximative identification within source file *)
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   597
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   598
fun approximative_id tr =
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   599
  let
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   600
    val name = name_of tr;
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   601
    val pos = pos_of tr;
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   602
  in
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   603
    (case (Position.file_of pos, Position.offset_of pos) of
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   604
      (SOME file, SOME offset) => SOME {file = file, offset = offset, name = name}
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   605
    | _ => NONE)
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   606
  end;
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   607
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   608
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   609
(* thread position *)
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   610
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   611
fun setmp_thread_position (Transition {pos, ...}) f x =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   612
  Position.setmp_thread_data pos f x;
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   613
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   614
fun status tr m =
43665
573d1272f36d tuned signature;
wenzelm
parents: 42360
diff changeset
   615
  setmp_thread_position tr (fn () => Output.status (Markup.markup_only m)) ();
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   616
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   617
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   618
(* post-transition hooks *)
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   619
37905
wenzelm
parents: 37865
diff changeset
   620
local
wenzelm
parents: 37865
diff changeset
   621
  val hooks = Unsynchronized.ref ([]: (transition -> state -> state -> unit) list);
wenzelm
parents: 37865
diff changeset
   622
in
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   623
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   624
fun add_hook f = CRITICAL (fn () => Unsynchronized.change hooks (cons f));
33223
d27956b4d3b4 non-critical atomic accesses;
wenzelm
parents: 32792
diff changeset
   625
fun get_hooks () = ! hooks;
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   626
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   627
end;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   628
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   629
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   630
(* apply transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   631
51217
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   632
fun get_timing (Transition {timing, ...}) = timing;
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   633
fun put_timing timing = map_transition (fn (name, pos, int_only, print, no_timing, _, trans) =>
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   634
  (name, pos, int_only, print, no_timing, timing, trans));
65ab2c4f4c32 support for prescient timing information within command transactions;
wenzelm
parents: 51216
diff changeset
   635
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   636
local
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   637
51241
83252b0605be make SML/NJ happy;
wenzelm
parents: 51239
diff changeset
   638
fun timing_message tr (t: Timing.timing) =
51228
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   639
  if Timing.is_relevant_time (#elapsed t) andalso not (Position.is_reported (pos_of tr))
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   640
  then
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   641
    (case approximative_id tr of
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   642
      SOME id =>
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   643
        (Output.protocol_message
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   644
          (Markup.command_timing :: Markup.command_timing_properties id (#elapsed t)) ""
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   645
        handle Fail _ => ())
dff3471dd8bc more tight representation of command timing;
wenzelm
parents: 51226
diff changeset
   646
    | NONE => ())
51216
e6e7685fc8f8 emit command_timing properties into build log;
wenzelm
parents: 50917
diff changeset
   647
  else ();
e6e7685fc8f8 emit command_timing properties into build log;
wenzelm
parents: 50917
diff changeset
   648
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   649
fun app int (tr as Transition {trans, print, no_timing, ...}) =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   650
  setmp_thread_position tr (fn state =>
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   651
    let
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   652
      fun do_timing f x = (warning (command_msg "" tr); timeap f x);
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   653
      fun do_profiling f x = profile (! profiling) f x;
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   654
51216
e6e7685fc8f8 emit command_timing properties into build log;
wenzelm
parents: 50917
diff changeset
   655
      val start = Timing.start ();
e6e7685fc8f8 emit command_timing properties into build log;
wenzelm
parents: 50917
diff changeset
   656
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   657
      val (result, status) =
37905
wenzelm
parents: 37865
diff changeset
   658
         state |>
wenzelm
parents: 37865
diff changeset
   659
          (apply_trans int trans
wenzelm
parents: 37865
diff changeset
   660
            |> (! profiling > 0 andalso not no_timing) ? do_profiling
wenzelm
parents: 37865
diff changeset
   661
            |> (! profiling > 0 orelse ! timing andalso not no_timing) ? do_timing);
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   662
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   663
      val _ = if int andalso not (! quiet) andalso print then print_state false result else ();
51216
e6e7685fc8f8 emit command_timing properties into build log;
wenzelm
parents: 50917
diff changeset
   664
e6e7685fc8f8 emit command_timing properties into build log;
wenzelm
parents: 50917
diff changeset
   665
      val _ = timing_message tr (Timing.result start);
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   666
    in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) status) end);
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   667
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   668
in
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   669
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   670
fun transition int tr st =
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   671
  let
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   672
    val hooks = get_hooks ();
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   673
    fun apply_hooks st' = hooks |> List.app (fn f => (try (fn () => f tr st st') (); ()));
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   674
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   675
    val ctxt = try context_of st;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   676
    val res =
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   677
      (case app int tr st of
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   678
        (_, SOME Runtime.TERMINATE) => NONE
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   679
      | (st', SOME (Runtime.EXCURSION_FAIL exn_info)) => SOME (st', SOME exn_info)
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   680
      | (st', SOME exn) => SOME (st', SOME (Runtime.exn_context ctxt exn, at_command tr))
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   681
      | (st', NONE) => SOME (st', NONE));
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   682
    val _ = (case res of SOME (st', NONE) => apply_hooks st' | _ => ());
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   683
  in res end;
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   684
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   685
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   686
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   687
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   688
(* nested commands *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   689
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   690
fun command tr st =
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   691
  (case transition (! interact) tr st of
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   692
    SOME (st', NONE) => st'
39285
85728a4b5620 avoid extra wrapping for interrupts;
wenzelm
parents: 39237
diff changeset
   693
  | SOME (_, SOME (exn, info)) =>
85728a4b5620 avoid extra wrapping for interrupts;
wenzelm
parents: 39237
diff changeset
   694
      if Exn.is_interrupt exn then reraise exn else raise Runtime.EXCURSION_FAIL (exn, info)
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   695
  | NONE => raise Runtime.EXCURSION_FAIL (Runtime.TERMINATE, at_command tr));
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   696
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   697
46959
cdc791910460 defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents: 45666
diff changeset
   698
(* scheduled proof result *)
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   699
47417
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   700
structure Result = Proof_Data
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   701
(
47417
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   702
  type T = (transition * state) list future;
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   703
  val empty: T = Future.value [];
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   704
  fun init _ = empty;
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   705
);
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   706
51273
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   707
fun element_result (Thy_Syntax.Element (head_tr, opt_proof)) st =
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   708
  let
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   709
    val future_enabled = Goal.future_enabled ();
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   710
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   711
    fun atom_result tr st =
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   712
      let val st' = command tr st
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   713
      in ((tr, st'), st') end;
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   714
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   715
    val proof_trs =
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   716
      (case opt_proof of
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   717
        NONE => []
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   718
      | SOME (a, b) => (maps Thy_Syntax.flat_element a @ [b]) |> filter_out is_ignored);
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   719
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   720
    val st' = command head_tr st;
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   721
  in
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   722
    if not future_enabled orelse is_ignored head_tr orelse
51274
cfc83ad52571 discontinued pointless command category "thy_schematic_goal" -- this is checked dynamically;
wenzelm
parents: 51273
diff changeset
   723
      null proof_trs orelse not (can proof_of st') orelse Proof.is_relevant (proof_of st')
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   724
    then
51273
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   725
      let val (results, st'') = fold_map atom_result proof_trs st'
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   726
      in (Future.value (if is_ignored head_tr then results else (head_tr, st') :: results), st'') end
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   727
    else
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   728
      let
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   729
        val (body_trs, end_tr) = split_last proof_trs;
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   730
        val finish = Context.Theory o Proof_Context.theory_of;
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   731
51233
7b0c723562af highest priority for proofs with unknown / very short timing -- recover original scheduling with parallel_proofs_reuse_timing = false;
wenzelm
parents: 51228
diff changeset
   732
        val estimate = fold (curry Time.+ o get_timing) proof_trs Time.zeroTime;
7b0c723562af highest priority for proofs with unknown / very short timing -- recover original scheduling with parallel_proofs_reuse_timing = false;
wenzelm
parents: 51228
diff changeset
   733
        val pri =
7b0c723562af highest priority for proofs with unknown / very short timing -- recover original scheduling with parallel_proofs_reuse_timing = false;
wenzelm
parents: 51228
diff changeset
   734
          if estimate = Time.zeroTime then ~1
51239
67cc209493b2 eliminated hard tabs;
wenzelm
parents: 51233
diff changeset
   735
          else Int.min (Real.floor (Real.max (Math.log10 (Time.toReal estimate), ~3.0)) - 3, ~1);
51222
8c3e5fb41139 improved scheduling of forked proofs, based on elapsed time estimate (from last run via session log file);
wenzelm
parents: 51219
diff changeset
   736
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   737
        val future_proof = Proof.global_future_proof
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   738
          (fn prf =>
51222
8c3e5fb41139 improved scheduling of forked proofs, based on elapsed time estimate (from last run via session log file);
wenzelm
parents: 51219
diff changeset
   739
            Goal.fork_name "Toplevel.future_proof" pri
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   740
              (fn () =>
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   741
                let val (result, result_state) =
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   742
                  (case st' of State (SOME (Proof (_, (_, orig_gthy))), prev)
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   743
                    => State (SOME (Proof (Proof_Node.init prf, (finish, orig_gthy))), prev))
51273
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   744
                  |> fold_map atom_result body_trs ||> command end_tr;
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   745
                in (result, presentation_context_of result_state) end))
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   746
          #-> Result.put;
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   747
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   748
        val st'' = st'
51273
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   749
          |> command (head_tr |> set_print false |> reset_trans |> end_proof (K future_proof));
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   750
        val result =
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   751
          Result.get (presentation_context_of st'')
51273
d54ee0cad2ab clarified Toplevel.element_result: scheduling policies happen here;
wenzelm
parents: 51268
diff changeset
   752
          |> Future.map (fn body => (head_tr, st') :: body @ [(end_tr, st'')]);
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   753
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   754
      in (result, st'') end
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   755
  end;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   756
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   757
end;