src/Pure/Isar/toplevel.ML
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Tue, 05 Jul 2011 11:16:37 +0200
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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 init_of: transition -> string option
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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 str_of: transition -> string
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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: Path.T option -> string -> (Path.T option -> theory) -> transition -> transition
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  val modify_master: Path.T option -> transition -> transition
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  val modify_init: (Path.T option -> 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 malformed: Position.T -> string -> transition
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  val theory: (theory -> theory) -> transition -> transition
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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 begin_local_theory: bool -> (theory -> local_theory) -> transition -> transition
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  val end_local_theory: transition -> transition
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  val local_theory': xstring option -> (bool -> local_theory -> local_theory) ->
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    transition -> transition
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  val local_theory: xstring option -> (local_theory -> local_theory) -> transition -> transition
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  val present_local_theory: xstring option -> (state -> unit) -> transition -> transition
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  val local_theory_to_proof': xstring option -> (bool -> local_theory -> Proof.state) ->
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    transition -> transition
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  val local_theory_to_proof: xstring option -> (local_theory -> Proof.state) ->
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    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.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.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 error_msg: transition -> string -> unit
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  val add_hook: (transition -> state -> state -> unit) -> unit
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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 excursion:
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    (transition * transition list) list -> (transition * state) list future list * theory
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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.exit_global;
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fun loc_begin loc (Context.Theory thy) = loc_init (the_default "-" loc) thy
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  | loc_begin NONE (Context.Proof lthy) = lthy
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  | loc_begin (SOME loc) (Context.Proof lthy) = (loc_init loc o loc_exit) lthy;
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fun loc_finish _ (Context.Theory _) = Context.Theory o loc_exit
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  | loc_finish NONE (Context.Proof _) = Context.Proof o Local_Theory.restore
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  | loc_finish (SOME _) (Context.Proof lthy) = Context.Proof o Named_Target.reinit 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, _)))) = Theory.end_theory thy
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  | end_theory pos _ = error ("Unfinished theory at end of input" ^ Position.str_of 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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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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end;
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(* primitive transitions *)
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datatype trans =
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  Init of Path.T option * string * (Path.T option -> theory) | (*master dir, theory name, init*)
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  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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local
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fun apply_tr _ (Init (master, _, 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
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          (Theory.checkpoint (Runtime.controlled_execution f master)), NONE)), NONE)
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ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
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  | apply_tr _ Exit (State (prev as SOME (Theory (Context.Theory _, _)), _)) =
27603
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   304
      State (NONE, prev)
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   305
  | 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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   306
      Runtime.controlled_execution (fn x => tap (f int) x) state
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   307
  | apply_tr int (Transaction (f, g)) (State (SOME state, _)) =
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      apply_transaction (fn x => f int x) g state
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   309
  | apply_tr _ _ _ = raise UNDEF;
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   311
fun apply_union _ [] state = raise FAILURE (state, UNDEF)
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   312
  | apply_union int (tr :: trs) state =
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      apply_union int trs state
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   314
        handle Runtime.UNDEF => apply_tr int tr state
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   315
          | FAILURE (alt_state, UNDEF) => apply_tr int tr alt_state
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          | exn as FAILURE _ => raise exn
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   317
          | exn => raise FAILURE (state, exn);
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   318
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   319
in
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   320
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   321
fun apply_trans int trs state = (apply_union int trs state, NONE)
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   322
  handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn);
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   323
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   324
end;
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   326
1feeadaad6a9 The Isabelle/Isar toplevel.
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   327
(* datatype transition *)
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   328
1feeadaad6a9 The Isabelle/Isar toplevel.
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datatype transition = Transition of
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
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   330
 {name: string,              (*command name*)
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   331
  pos: Position.T,           (*source position*)
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   332
  int_only: bool,            (*interactive-only*)
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   333
  print: bool,               (*print result state*)
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   334
  no_timing: bool,           (*suppress timing*)
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   335
  trans: trans list};        (*primitive transitions (union)*)
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   336
26621
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   337
fun make_transition (name, pos, int_only, print, no_timing, trans) =
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   338
  Transition {name = name, pos = pos, int_only = int_only, print = print, no_timing = no_timing,
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   339
    trans = trans};
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   341
fun map_transition f (Transition {name, pos, int_only, print, no_timing, trans}) =
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
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   342
  make_transition (f (name, pos, int_only, print, no_timing, trans));
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27441
38ccd5aaa353 init_theory: pass name explicitly;
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val empty = make_transition ("", Position.none, false, false, false, []);
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   346
1feeadaad6a9 The Isabelle/Isar toplevel.
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   347
(* diagnostics *)
1feeadaad6a9 The Isabelle/Isar toplevel.
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41536
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
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   349
fun get_init (Transition {trans = [Init args], ...}) = SOME args
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   350
  | get_init _ = NONE;
27441
38ccd5aaa353 init_theory: pass name explicitly;
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   351
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47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
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   352
val init_of = Option.map #2 o get_init;
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
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   353
fun print_of (Transition {print, ...}) = print;
27427
f6751d265cf6 added name_of;
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   354
fun name_of (Transition {name, ...}) = name;
28105
44054657ea56 added pos_of;
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   355
fun pos_of (Transition {pos, ...}) = pos;
44054657ea56 added pos_of;
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parents: 28103
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   356
fun str_of tr = quote (name_of tr) ^ Position.str_of (pos_of tr);
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   357
27427
f6751d265cf6 added name_of;
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   358
fun command_msg msg tr = msg ^ "command " ^ str_of tr;
38875
c7a66b584147 tuned messages: discontinued spurious full-stops (messages are occasionally composed unexpectedly);
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   359
fun at_command tr = command_msg "At " tr;
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   360
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
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   361
fun type_error tr state =
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
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   362
  ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state);
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1feeadaad6a9 The Isabelle/Isar toplevel.
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   363
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
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   364
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   365
(* modify transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
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   366
28451
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
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   367
fun name name = map_transition (fn (_, pos, int_only, print, no_timing, trans) =>
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
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diff changeset
   368
  (name, pos, int_only, print, no_timing, trans));
9010
ce78dc5e1a73 Toplevel.no_timing;
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   369
26621
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diff changeset
   370
fun position pos = map_transition (fn (name, _, int_only, print, no_timing, trans) =>
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
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parents: 26602
diff changeset
   371
  (name, pos, int_only, print, no_timing, trans));
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   372
26621
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diff changeset
   373
fun interactive int_only = map_transition (fn (name, pos, _, print, no_timing, trans) =>
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wenzelm
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diff changeset
   374
  (name, pos, int_only, print, no_timing, trans));
14923
8a32071c3c13 added name_of, source_of, source;
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   375
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
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diff changeset
   376
val no_timing = map_transition (fn (name, pos, int_only, print, _, trans) =>
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   377
  (name, pos, int_only, print, true, trans));
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   378
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
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diff changeset
   379
fun add_trans tr = map_transition (fn (name, pos, int_only, print, no_timing, trans) =>
28451
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
wenzelm
parents: 28446
diff changeset
   380
  (name, pos, int_only, print, no_timing, tr :: trans));
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   381
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   382
val reset_trans = map_transition (fn (name, pos, int_only, print, no_timing, _) =>
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   383
  (name, pos, int_only, print, no_timing, []));
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   384
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   385
fun set_print print = map_transition (fn (name, pos, int_only, _, no_timing, trans) =>
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   386
  (name, pos, int_only, print, no_timing, trans));
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   387
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   388
val print = set_print true;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   389
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   390
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   391
(* basic transitions *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   392
41536
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   393
fun init_theory master name f = add_trans (Init (master, name, f));
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   394
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   395
fun modify_master master tr =
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   396
  (case get_init tr of
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   397
    SOME (_, name, f) => init_theory master name f (reset_trans tr)
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   398
  | NONE => 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
   399
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
   400
fun modify_init f tr =
41536
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   401
  (case get_init tr of
47fef6afe756 Toplevel.init_theory: maintain optional master directory, to allow bypassing global Thy_Load.master_path;
wenzelm
parents: 40960
diff changeset
   402
    SOME (master, name, _) => init_theory master name f (reset_trans 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
   403
  | NONE => tr);
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
   404
6689
wenzelm
parents: 6664
diff changeset
   405
val exit = add_trans Exit;
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   406
val keep' = add_trans o Keep;
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   407
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   408
fun present_transaction f g = add_trans (Transaction (f, g));
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   409
fun transaction f = present_transaction f (K ());
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   410
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   411
fun keep f = add_trans (Keep (fn _ => f));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   412
fun imperative f = keep (fn _ => f ());
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   413
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   414
fun ignored pos = empty |> name "<ignored>" |> position pos |> imperative I;
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   415
fun malformed pos msg =
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   416
  empty |> name "<malformed>" |> position pos |> imperative (fn () => error msg);
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   417
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   418
val unknown_theory = imperative (fn () => warning "Unknown theory context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   419
val unknown_proof = imperative (fn () => warning "Unknown proof context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   420
val unknown_context = imperative (fn () => warning "Unknown context");
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   421
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   422
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   423
(* theory transitions *)
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   424
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   425
fun generic_theory f = transaction (fn _ =>
26491
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   426
  (fn Theory (gthy, _) => Theory (f gthy, NONE)
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   427
    | _ => raise UNDEF));
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   428
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   429
fun theory' f = transaction (fn int =>
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   430
  (fn Theory (Context.Theory thy, _) =>
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   431
      let val thy' = thy
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   432
        |> Sign.new_group
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   433
        |> Theory.checkpoint
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   434
        |> f int
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   435
        |> Sign.reset_group;
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   436
      in Theory (Context.Theory thy', NONE) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   437
    | _ => raise UNDEF));
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   438
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   439
fun theory f = theory' (K f);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   440
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   441
fun begin_local_theory begin f = transaction (fn _ =>
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   442
  (fn Theory (Context.Theory thy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   443
        let
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   444
          val lthy = f thy;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   445
          val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy);
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   446
        in Theory (gthy, SOME lthy) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   447
    | _ => raise UNDEF));
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   448
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   449
val end_local_theory = transaction (fn _ =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   450
  (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
   451
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   452
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   453
local
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   454
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   455
fun local_theory_presentation loc f = present_transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   456
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   457
        let
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   458
          val finish = loc_finish loc gthy;
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   459
          val lthy' = loc_begin loc gthy
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   460
            |> Local_Theory.new_group
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   461
            |> f int
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   462
            |> Local_Theory.reset_group;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   463
        in Theory (finish lthy', SOME lthy') end
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   464
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   465
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   466
in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   467
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   468
fun local_theory' loc f = local_theory_presentation loc f (K ());
29380
a9ee3475abf4 added local_theory';
wenzelm
parents: 29343
diff changeset
   469
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
   470
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
   471
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   472
end;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   473
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   474
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   475
(* proof transitions *)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   476
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   477
fun end_proof f = transaction (fn int =>
24795
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   478
  (fn Proof (prf, (finish, _)) =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   479
        let val state = Proof_Node.current prf in
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   480
          if can (Proof.assert_bottom true) state then
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   481
            let
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   482
              val ctxt' = f int state;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   483
              val gthy' = finish ctxt';
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   484
            in Theory (gthy', SOME ctxt') end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   485
          else raise UNDEF
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   486
        end
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   487
    | SkipProof (0, (gthy, _)) => Theory (gthy, NONE)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   488
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   489
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   490
local
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   491
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   492
fun begin_proof init finish = transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   493
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   494
    let
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
   495
      val prf = init int gthy;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   496
      val skip = ! skip_proofs;
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   497
      val (is_goal, no_skip) =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   498
        (true, Proof.schematic_goal prf) handle ERROR _ => (false, true);
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   499
    in
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   500
      if is_goal andalso skip andalso no_skip then
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   501
        warning "Cannot skip proof of schematic goal statement"
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   502
      else ();
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   503
      if skip andalso not no_skip then
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   504
        SkipProof (0, (finish gthy (Proof.global_skip_proof int prf), gthy))
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   505
      else Proof (Proof_Node.init prf, (finish gthy, gthy))
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   506
    end
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   507
  | _ => raise UNDEF));
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   508
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   509
in
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   510
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   511
fun local_theory_to_proof' loc f = begin_proof
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   512
  (fn int => fn gthy => f int (Local_Theory.new_group (loc_begin loc gthy)))
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   513
  (fn gthy => loc_finish loc gthy o Local_Theory.reset_group);
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   514
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
   515
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
   516
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   517
fun theory_to_proof f = begin_proof
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   518
  (K (fn Context.Theory thy => f (Theory.checkpoint (Sign.new_group thy)) | _ => raise UNDEF))
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42129
diff changeset
   519
  (K (Context.Theory o Sign.reset_group o Proof_Context.theory_of));
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   520
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   521
end;
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   522
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   523
val forget_proof = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   524
  (fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   525
    | SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   526
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   527
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   528
val present_proof = present_transaction (fn _ =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   529
  (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
   530
    | skip as SkipProof _ => skip
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   531
    | _ => raise UNDEF));
21177
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
   532
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   533
fun proofs' f = transaction (fn int =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   534
  (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
   535
    | skip as SkipProof _ => skip
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   536
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   537
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   538
fun proof' f = proofs' (Seq.single oo f);
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   539
val proofs = proofs' o K;
6689
wenzelm
parents: 6664
diff changeset
   540
val proof = proof' o K;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   541
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   542
fun actual_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   543
  (fn Proof (prf, x) => Proof (f prf, x)
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   544
    | _ => raise UNDEF));
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   545
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   546
fun skip_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   547
  (fn SkipProof (h, x) => SkipProof (f h, x)
18563
wenzelm
parents: 17904
diff changeset
   548
    | _ => raise UNDEF));
wenzelm
parents: 17904
diff changeset
   549
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   550
fun skip_proof_to_theory pred = transaction (fn _ =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   551
  (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
   552
    | _ => raise UNDEF));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   553
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   554
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   555
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   556
(** toplevel transactions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   557
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   558
(* identification *)
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   559
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   560
fun get_id (Transition {pos, ...}) = Position.get_id pos;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   561
fun put_id id (tr as Transition {pos, ...}) = position (Position.put_id id pos) tr;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   562
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   563
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   564
(* thread position *)
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   565
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   566
fun setmp_thread_position (Transition {pos, ...}) f x =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   567
  Position.setmp_thread_data pos f x;
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   568
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   569
fun status tr m =
43665
573d1272f36d tuned signature;
wenzelm
parents: 42360
diff changeset
   570
  setmp_thread_position tr (fn () => Output.status (Markup.markup_only m)) ();
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   571
38876
ec7045139e70 Toplevel.run_command: more careful treatment of interrupts stemming from nested multi-exceptions etc.;
wenzelm
parents: 38875
diff changeset
   572
fun error_msg tr msg =
ec7045139e70 Toplevel.run_command: more careful treatment of interrupts stemming from nested multi-exceptions etc.;
wenzelm
parents: 38875
diff changeset
   573
  setmp_thread_position tr (fn () => Output.error_msg msg) ();
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   574
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   575
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   576
(* post-transition hooks *)
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   577
37905
wenzelm
parents: 37865
diff changeset
   578
local
wenzelm
parents: 37865
diff changeset
   579
  val hooks = Unsynchronized.ref ([]: (transition -> state -> state -> unit) list);
wenzelm
parents: 37865
diff changeset
   580
in
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   581
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   582
fun add_hook f = CRITICAL (fn () => Unsynchronized.change hooks (cons f));
33223
d27956b4d3b4 non-critical atomic accesses;
wenzelm
parents: 32792
diff changeset
   583
fun get_hooks () = ! hooks;
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   584
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   585
end;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   586
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   587
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   588
(* apply transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   589
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   590
local
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   591
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   592
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
   593
  setmp_thread_position tr (fn state =>
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   594
    let
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   595
      fun do_timing f x = (warning (command_msg "" tr); timeap f x);
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   596
      fun do_profiling f x = profile (! profiling) f x;
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   597
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   598
      val (result, status) =
37905
wenzelm
parents: 37865
diff changeset
   599
         state |>
wenzelm
parents: 37865
diff changeset
   600
          (apply_trans int trans
wenzelm
parents: 37865
diff changeset
   601
            |> (! profiling > 0 andalso not no_timing) ? do_profiling
wenzelm
parents: 37865
diff changeset
   602
            |> (! 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
   603
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   604
      val _ = if int andalso not (! quiet) andalso print then print_state false result else ();
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   605
    in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) status) end);
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   606
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   607
in
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   608
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   609
fun transition int tr st =
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   610
  let
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   611
    val hooks = get_hooks ();
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   612
    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
   613
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   614
    val ctxt = try context_of st;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   615
    val res =
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   616
      (case app int tr st of
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   617
        (_, SOME Runtime.TERMINATE) => NONE
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   618
      | (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
   619
      | (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
   620
      | (st', NONE) => SOME (st', NONE));
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   621
    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
   622
  in res end;
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   623
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   624
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   625
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   626
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   627
(* nested commands *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   628
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   629
fun command tr st =
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   630
  (case transition (! interact) tr st of
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   631
    SOME (st', NONE) => st'
39285
85728a4b5620 avoid extra wrapping for interrupts;
wenzelm
parents: 39237
diff changeset
   632
  | SOME (_, SOME (exn, info)) =>
85728a4b5620 avoid extra wrapping for interrupts;
wenzelm
parents: 39237
diff changeset
   633
      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
   634
  | 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
   635
29483
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   636
fun command_result tr st =
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   637
  let val st' = command tr st
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   638
  in (st', st') end;
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   639
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   640
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   641
(* excursion of units, consisting of commands with proof *)
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   642
33519
e31a85f92ce9 adapted Generic_Data, Proof_Data;
wenzelm
parents: 33390
diff changeset
   643
structure States = 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
   644
(
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
   645
  type T = state list future option;
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
   646
  fun init _ = NONE;
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
   647
);
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
   648
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
   649
fun proof_result immediate (tr, proof_trs) st =
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   650
  let val st' = command tr st in
36315
e859879079c8 added keyword category "schematic goal", which prevents any attempt to fork the proof;
wenzelm
parents: 35205
diff changeset
   651
    if immediate orelse
e859879079c8 added keyword category "schematic goal", which prevents any attempt to fork the proof;
wenzelm
parents: 35205
diff changeset
   652
      null proof_trs orelse
36950
75b8f26f2f07 refer directly to structure Keyword and Parse;
wenzelm
parents: 36355
diff changeset
   653
      Keyword.is_schematic_goal (name_of tr) orelse
75b8f26f2f07 refer directly to structure Keyword and Parse;
wenzelm
parents: 36355
diff changeset
   654
      exists (Keyword.is_qed_global o name_of) proof_trs orelse
36315
e859879079c8 added keyword category "schematic goal", which prevents any attempt to fork the proof;
wenzelm
parents: 35205
diff changeset
   655
      not (can proof_of st') orelse
e859879079c8 added keyword category "schematic goal", which prevents any attempt to fork the proof;
wenzelm
parents: 35205
diff changeset
   656
      Proof.is_relevant (proof_of st')
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   657
    then
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   658
      let val (states, st'') = fold_map command_result proof_trs st'
42129
c17508a61f49 present theory content as future, depending on intermediate proof state futures -- potential to reduce memory requirements and improve parallelization;
wenzelm
parents: 42012
diff changeset
   659
      in (Future.value ((tr, st') :: (proof_trs ~~ states)), st'') end
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   660
    else
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   661
      let
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   662
        val (body_trs, end_tr) = split_last proof_trs;
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42129
diff changeset
   663
        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
   664
29386
d5849935560c Proof.global_future_proof;
wenzelm
parents: 29380
diff changeset
   665
        val future_proof = Proof.global_future_proof
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
   666
          (fn prf =>
41703
d27950860514 parallelization of nested Isar proofs is subject to Goal.parallel_proofs_threshold;
wenzelm
parents: 41674
diff changeset
   667
            Goal.fork_name "Toplevel.future_proof"
41673
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   668
              (fn () =>
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   669
                let val (states, result_state) =
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   670
                  (case st' of State (SOME (Proof (_, (_, orig_gthy))), prev)
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   671
                    => State (SOME (Proof (Proof_Node.init prf, (finish, orig_gthy))), prev))
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   672
                  |> fold_map command_result body_trs
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   673
                  ||> command (end_tr |> set_print false);
1c191a39549f support named tasks, for improved tracing;
wenzelm
parents: 41536
diff changeset
   674
                in (states, presentation_context_of result_state) end))
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
   675
          #> (fn (states, ctxt) => States.put (SOME states) ctxt);
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
   676
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
   677
        val st'' = st' |> command (end_tr |> reset_trans |> end_proof (K future_proof));
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
   678
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
   679
        val states =
30398
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
   680
          (case States.get (presentation_context_of st'') of
37852
a902f158b4fc eliminated old-style sys_error/SYS_ERROR in favour of exception Fail -- after careful checking that there is no overlap with existing handling of that;
wenzelm
parents: 37711
diff changeset
   681
            NONE => raise Fail ("No future states for " ^ name_of tr ^ Position.str_of (pos_of tr))
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
   682
          | SOME states => states);
42129
c17508a61f49 present theory content as future, depending on intermediate proof state futures -- potential to reduce memory requirements and improve parallelization;
wenzelm
parents: 42012
diff changeset
   683
        val result = states
c17508a61f49 present theory content as future, depending on intermediate proof state futures -- potential to reduce memory requirements and improve parallelization;
wenzelm
parents: 42012
diff changeset
   684
          |> Future.map (fn sts => (tr, st') :: (body_trs ~~ sts) @ [(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
   685
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
   686
      in (result, st'') end
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   687
  end;
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   688
29068
b92443a701de removed spurious exception_trace;
wenzelm
parents: 29066
diff changeset
   689
fun excursion input =
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   690
  let
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   691
    val end_pos = if null input then error "No input" else pos_of (fst (List.last input));
29448
34b9652b2f45 added Goal.future_enabled abstraction -- now also checks that this is already
wenzelm
parents: 29435
diff changeset
   692
    val immediate = not (Goal.future_enabled ());
29427
7ba952481e29 excursion: commit_exit internally -- checkpoints are fully persistent now;
wenzelm
parents: 29386
diff changeset
   693
    val (results, end_state) = fold_map (proof_result immediate) input toplevel;
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   694
    val thy = end_theory end_pos end_state;
42129
c17508a61f49 present theory content as future, depending on intermediate proof state futures -- potential to reduce memory requirements and improve parallelization;
wenzelm
parents: 42012
diff changeset
   695
  in (results, thy) end;
7062
e992884b256d Toplevel.excursion_error;
wenzelm
parents: 7022
diff changeset
   696
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   697
end;