author | wenzelm |
Fri, 13 Nov 2009 21:11:15 +0100 | |
changeset 33671 | 4b0f2599ed48 |
parent 33604 | d4220df6fde2 |
child 33725 | a8481da77270 |
permissions | -rw-r--r-- |
5828 | 1 |
(* 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 generic_theory |
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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 enter_proof_body: state -> Proof.state |
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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 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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exception TERMINATE |
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exception TOPLEVEL_ERROR |
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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 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 print: transition -> transition |
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val no_timing: transition -> transition |
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val init_theory: string -> (bool -> theory) -> (theory -> unit) -> 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 -> exn * 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 commit_exit: Position.T -> transition |
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val command: transition -> state -> state |
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val run_command: string -> transition -> state -> state option |
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val excursion: (transition * transition list) list -> (transition * state) list lazy |
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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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type generic_theory = Context.generic; (*theory or local_theory*) |
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val loc_init = Theory_Target.context; |
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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 (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) = fn lthy' => |
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Context.Proof (Local_Theory.reinit (Local_Theory.raw_theory (K (loc_exit lthy')) 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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type node_info = node * (theory -> unit); (*node with exit operation*) |
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datatype state = State of node_info option * node_info 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 = |
187 |
(case node_of state of |
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Proof (prf, _) => Proof_Node.position prf |
18589 | 189 |
| _ => raise UNDEF); |
6664 | 190 |
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val enter_proof_body = node_case (Proof.init o Context.proof_of) Proof.enter_forward; |
5828 | 192 |
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(* print state *) |
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val pretty_context = Local_Theory.pretty o Context.cases (Theory_Target.init NONE) 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 |
208 |
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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15668 | 216 |
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5828 | 217 |
(** toplevel transitions **) |
218 |
||
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val quiet = Unsynchronized.ref false; |
22135 | 220 |
val debug = Output.debugging; |
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val interact = Unsynchronized.ref false; |
16682 | 222 |
val timing = Output.timing; |
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val profiling = Unsynchronized.ref 0; |
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val skip_proofs = Unsynchronized.ref false; |
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16682 | 225 |
|
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exception TERMINATE = Runtime.TERMINATE; |
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exception EXCURSION_FAIL = Runtime.EXCURSION_FAIL; |
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exception TOPLEVEL_ERROR = Runtime.TOPLEVEL_ERROR; |
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fun program body = |
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(body |
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|
232 |
|> Runtime.controlled_execution |
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233 |
|> Runtime.toplevel_error (Output.error_msg o ML_Compiler.exn_message)) (); |
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|
234 |
|
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|
235 |
fun thread interrupts body = |
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|
236 |
Thread.fork |
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|
237 |
(((fn () => body () handle Exn.Interrupt => ()) |
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|
238 |
|> Runtime.debugging |
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|
239 |
|> Runtime.toplevel_error |
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|
240 |
(fn exn => priority ("## INTERNAL ERROR ##\n" ^ ML_Compiler.exn_message exn))), |
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|
241 |
SimpleThread.attributes interrupts); |
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|
242 |
|
5828 | 243 |
|
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|
244 |
(* node transactions -- maintaining stable checkpoints *) |
7022 | 245 |
|
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|
246 |
exception FAILURE of state * exn; |
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247 |
|
6689 | 248 |
local |
249 |
||
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250 |
fun reset_presentation (Theory (gthy, _)) = Theory (gthy, NONE) |
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251 |
| reset_presentation node = node; |
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252 |
|
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253 |
fun is_draft_theory (Theory (gthy, _)) = Context.is_draft (Context.theory_of gthy) |
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254 |
| is_draft_theory _ = false; |
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|
255 |
|
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256 |
fun is_stale state = Context.is_stale (theory_of state) handle Runtime.UNDEF => false; |
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257 |
|
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|
258 |
fun stale_error NONE = SOME (ERROR "Stale theory encountered after successful execution!") |
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259 |
| stale_error some = some; |
16815 | 260 |
|
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|
261 |
fun map_theory f (Theory (gthy, ctxt)) = |
33671 | 262 |
Theory (Context.mapping f (Local_Theory.raw_theory f) gthy, ctxt) |
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|
263 |
| map_theory _ node = node; |
6689 | 264 |
|
265 |
in |
|
266 |
||
32792 | 267 |
fun apply_transaction f g (node, exit) = |
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|
268 |
let |
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|
269 |
val _ = is_draft_theory node andalso error "Illegal draft theory in toplevel state"; |
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|
270 |
val cont_node = reset_presentation node; |
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271 |
val back_node = map_theory (Theory.checkpoint o Theory.copy) cont_node; |
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272 |
fun state_error e nd = (State (SOME (nd, exit), SOME (node, exit)), e); |
6689 | 273 |
|
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|
274 |
val (result, err) = |
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|
275 |
cont_node |
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276 |
|> Runtime.controlled_execution f |
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|
277 |
|> map_theory Theory.checkpoint |
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|
278 |
|> state_error NONE |
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|
279 |
handle exn => state_error (SOME exn) cont_node; |
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|
280 |
|
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|
281 |
val (result', err') = |
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|
282 |
if is_stale result then state_error (stale_error err) back_node |
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|
283 |
else (result, err); |
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|
284 |
in |
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|
285 |
(case err' of |
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286 |
NONE => tap g result' |
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287 |
| SOME exn => raise FAILURE (result', exn)) |
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288 |
end; |
6689 | 289 |
|
290 |
end; |
|
291 |
||
292 |
||
293 |
(* primitive transitions *) |
|
294 |
||
5828 | 295 |
datatype trans = |
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296 |
Init of string * (bool -> theory) * (theory -> unit) | (*theory name, init, exit*) |
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297 |
Exit | (*formal exit of theory -- without committing*) |
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298 |
CommitExit | (*exit and commit final theory*) |
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|
299 |
Keep of bool -> state -> unit | (*peek at state*) |
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300 |
Transaction of (bool -> node -> node) * (state -> unit); (*node transaction and presentation*) |
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|
301 |
|
6689 | 302 |
local |
5828 | 303 |
|
32792 | 304 |
fun apply_tr int (Init (_, f, exit)) (State (NONE, _)) = |
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305 |
State (SOME (Theory (Context.Theory (Theory.checkpoint (f int)), NONE), exit), NONE) |
32792 | 306 |
| apply_tr _ Exit (State (prev as SOME (Theory (Context.Theory _, _), _), _)) = |
27603 | 307 |
State (NONE, prev) |
32792 | 308 |
| apply_tr _ CommitExit (State (NONE, SOME (Theory (Context.Theory thy, _), exit))) = |
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|
309 |
(Runtime.controlled_execution exit thy; toplevel) |
32792 | 310 |
| apply_tr int (Keep f) state = |
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changeset
|
311 |
Runtime.controlled_execution (fn x => tap (f int) x) state |
32792 | 312 |
| apply_tr int (Transaction (f, g)) (State (SOME state, _)) = |
313 |
apply_transaction (fn x => f int x) g state |
|
314 |
| apply_tr _ _ _ = raise UNDEF; |
|
5828 | 315 |
|
32792 | 316 |
fun apply_union _ [] state = raise FAILURE (state, UNDEF) |
317 |
| apply_union int (tr :: trs) state = |
|
318 |
apply_union int trs state |
|
319 |
handle Runtime.UNDEF => apply_tr int tr state |
|
320 |
| FAILURE (alt_state, UNDEF) => apply_tr int tr alt_state |
|
6689 | 321 |
| exn as FAILURE _ => raise exn |
322 |
| exn => raise FAILURE (state, exn); |
|
323 |
||
324 |
in |
|
325 |
||
32792 | 326 |
fun apply_trans int trs state = (apply_union int trs state, NONE) |
15531 | 327 |
handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn); |
6689 | 328 |
|
329 |
end; |
|
5828 | 330 |
|
331 |
||
332 |
(* datatype transition *) |
|
333 |
||
334 |
datatype transition = Transition of |
|
26621
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|
335 |
{name: string, (*command name*) |
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changeset
|
336 |
pos: Position.T, (*source position*) |
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|
337 |
int_only: bool, (*interactive-only*) |
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changeset
|
338 |
print: bool, (*print result state*) |
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|
339 |
no_timing: bool, (*suppress timing*) |
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|
340 |
trans: trans list}; (*primitive transitions (union)*) |
5828 | 341 |
|
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|
342 |
fun make_transition (name, pos, int_only, print, no_timing, trans) = |
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changeset
|
343 |
Transition {name = name, pos = pos, int_only = int_only, print = print, no_timing = no_timing, |
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|
344 |
trans = trans}; |
5828 | 345 |
|
26621
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changeset
|
346 |
fun map_transition f (Transition {name, pos, int_only, print, no_timing, trans}) = |
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changeset
|
347 |
make_transition (f (name, pos, int_only, print, no_timing, trans)); |
5828 | 348 |
|
27441 | 349 |
val empty = make_transition ("", Position.none, false, false, false, []); |
5828 | 350 |
|
351 |
||
352 |
(* diagnostics *) |
|
353 |
||
27441 | 354 |
fun init_of (Transition {trans = [Init (name, _, _)], ...}) = SOME name |
355 |
| init_of _ = NONE; |
|
356 |
||
27427 | 357 |
fun name_of (Transition {name, ...}) = name; |
28105 | 358 |
fun pos_of (Transition {pos, ...}) = pos; |
359 |
fun str_of tr = quote (name_of tr) ^ Position.str_of (pos_of tr); |
|
5828 | 360 |
|
27427 | 361 |
fun command_msg msg tr = msg ^ "command " ^ str_of tr; |
5828 | 362 |
fun at_command tr = command_msg "At " tr ^ "."; |
363 |
||
364 |
fun type_error tr state = |
|
18685 | 365 |
ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state); |
5828 | 366 |
|
367 |
||
368 |
(* modify transitions *) |
|
369 |
||
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changeset
|
370 |
fun name name = map_transition (fn (_, pos, int_only, print, no_timing, trans) => |
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changeset
|
371 |
(name, pos, int_only, print, no_timing, trans)); |
9010 | 372 |
|
26621
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changeset
|
373 |
fun position pos = map_transition (fn (name, _, int_only, print, no_timing, trans) => |
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changeset
|
374 |
(name, pos, int_only, print, no_timing, trans)); |
5828 | 375 |
|
26621
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changeset
|
376 |
fun interactive int_only = map_transition (fn (name, pos, _, print, no_timing, trans) => |
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changeset
|
377 |
(name, pos, int_only, print, no_timing, trans)); |
14923 | 378 |
|
26621
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changeset
|
379 |
val no_timing = map_transition (fn (name, pos, int_only, print, _, trans) => |
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changeset
|
380 |
(name, pos, int_only, print, true, trans)); |
17363 | 381 |
|
26621
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changeset
|
382 |
fun add_trans tr = map_transition (fn (name, pos, int_only, print, no_timing, trans) => |
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changeset
|
383 |
(name, pos, int_only, print, no_timing, tr :: trans)); |
16607 | 384 |
|
28433
b3dab95f098f
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diff
changeset
|
385 |
val reset_trans = map_transition (fn (name, pos, int_only, print, no_timing, _) => |
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changeset
|
386 |
(name, pos, int_only, print, no_timing, [])); |
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begin_proof: avoid race condition wrt. skip_proofs flag;
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changeset
|
387 |
|
28453
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excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
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diff
changeset
|
388 |
fun set_print print = map_transition (fn (name, pos, int_only, _, no_timing, trans) => |
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changeset
|
389 |
(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;
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changeset
|
390 |
|
06702e7acd1d
excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
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changeset
|
391 |
val print = set_print true; |
5828 | 392 |
|
393 |
||
21007 | 394 |
(* basic transitions *) |
5828 | 395 |
|
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changeset
|
396 |
fun init_theory name f exit = add_trans (Init (name, f, exit)); |
6689 | 397 |
val exit = add_trans Exit; |
7612 | 398 |
val keep' = add_trans o Keep; |
30366
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parents:
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changeset
|
399 |
|
e3d788b9dffb
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changeset
|
400 |
fun present_transaction f g = add_trans (Transaction (f, g)); |
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
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changeset
|
401 |
fun transaction f = present_transaction f (K ()); |
5828 | 402 |
|
7612 | 403 |
fun keep f = add_trans (Keep (fn _ => f)); |
5828 | 404 |
fun imperative f = keep (fn _ => f ()); |
405 |
||
27840 | 406 |
fun ignored pos = empty |> name "<ignored>" |> position pos |> imperative I; |
407 |
fun malformed pos msg = |
|
408 |
empty |> name "<malformed>" |> position pos |> imperative (fn () => error msg); |
|
409 |
||
21007 | 410 |
val unknown_theory = imperative (fn () => warning "Unknown theory context"); |
411 |
val unknown_proof = imperative (fn () => warning "Unknown proof context"); |
|
412 |
val unknown_context = imperative (fn () => warning "Unknown context"); |
|
15668 | 413 |
|
21007 | 414 |
|
415 |
(* theory transitions *) |
|
15668 | 416 |
|
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
417 |
fun generic_theory f = transaction (fn _ => |
26491 | 418 |
(fn Theory (gthy, _) => Theory (f gthy, NONE) |
419 |
| _ => raise UNDEF)); |
|
420 |
||
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
421 |
fun theory' f = transaction (fn int => |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
422 |
(fn Theory (Context.Theory thy, _) => Theory (Context.Theory (f int thy), NONE) |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
423 |
| _ => raise UNDEF)); |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
424 |
|
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
425 |
fun theory f = theory' (K f); |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
426 |
|
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
427 |
fun begin_local_theory begin f = transaction (fn _ => |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
428 |
(fn Theory (Context.Theory thy, _) => |
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
429 |
let |
20985 | 430 |
val lthy = f thy; |
21294 | 431 |
val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy); |
432 |
in Theory (gthy, SOME lthy) end |
|
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
433 |
| _ => raise UNDEF)); |
17076 | 434 |
|
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
435 |
val end_local_theory = transaction (fn _ => |
21294 | 436 |
(fn Theory (Context.Proof lthy, _) => Theory (Context.Theory (loc_exit lthy), SOME lthy) |
21007 | 437 |
| _ => raise UNDEF)); |
438 |
||
439 |
local |
|
440 |
||
30366
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
diff
changeset
|
441 |
fun local_theory_presentation loc f = present_transaction (fn int => |
21294 | 442 |
(fn Theory (gthy, _) => |
443 |
let |
|
444 |
val finish = loc_finish loc gthy; |
|
29380 | 445 |
val lthy' = f int (loc_begin loc gthy); |
21294 | 446 |
in Theory (finish lthy', SOME lthy') end |
30366
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
diff
changeset
|
447 |
| _ => raise UNDEF)); |
15668 | 448 |
|
21007 | 449 |
in |
450 |
||
30366
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
diff
changeset
|
451 |
fun local_theory' loc f = local_theory_presentation loc f (K ()); |
29380 | 452 |
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
|
453 |
fun present_local_theory loc = local_theory_presentation loc (K I); |
18955 | 454 |
|
21007 | 455 |
end; |
456 |
||
457 |
||
458 |
(* proof transitions *) |
|
459 |
||
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
460 |
fun end_proof f = transaction (fn int => |
24795
6f5cb7885fd7
print_state_context: local theory context, not proof context;
wenzelm
parents:
24780
diff
changeset
|
461 |
(fn Proof (prf, (finish, _)) => |
33390 | 462 |
let val state = Proof_Node.current prf in |
21007 | 463 |
if can (Proof.assert_bottom true) state then |
464 |
let |
|
465 |
val ctxt' = f int state; |
|
466 |
val gthy' = finish ctxt'; |
|
467 |
in Theory (gthy', SOME ctxt') end |
|
468 |
else raise UNDEF |
|
469 |
end |
|
27564
fc6d34e49e17
replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents:
27500
diff
changeset
|
470 |
| SkipProof (0, (gthy, _)) => Theory (gthy, NONE) |
21007 | 471 |
| _ => raise UNDEF)); |
472 |
||
21294 | 473 |
local |
474 |
||
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
475 |
fun begin_proof init finish = transaction (fn int => |
21294 | 476 |
(fn Theory (gthy, _) => |
477 |
let |
|
24453 | 478 |
val prf = init int gthy; |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
479 |
val skip = ! skip_proofs; |
21294 | 480 |
val schematic = Proof.schematic_goal prf; |
481 |
in |
|
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
482 |
if skip andalso schematic then |
21294 | 483 |
warning "Cannot skip proof of schematic goal statement" |
484 |
else (); |
|
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
485 |
if skip andalso not schematic then |
27564
fc6d34e49e17
replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents:
27500
diff
changeset
|
486 |
SkipProof (0, (finish gthy (Proof.global_skip_proof int prf), gthy)) |
33390 | 487 |
else Proof (Proof_Node.init prf, (finish gthy, gthy)) |
21294 | 488 |
end |
489 |
| _ => raise UNDEF)); |
|
490 |
||
491 |
in |
|
492 |
||
24780
47bb1e380d83
local_theory transactions: more careful treatment of context position;
wenzelm
parents:
24634
diff
changeset
|
493 |
fun local_theory_to_proof' loc f = begin_proof |
25960 | 494 |
(fn int => fn gthy => f int (loc_begin loc gthy)) |
24780
47bb1e380d83
local_theory transactions: more careful treatment of context position;
wenzelm
parents:
24634
diff
changeset
|
495 |
(loc_finish loc); |
47bb1e380d83
local_theory transactions: more careful treatment of context position;
wenzelm
parents:
24634
diff
changeset
|
496 |
|
24453 | 497 |
fun local_theory_to_proof loc f = local_theory_to_proof' loc (K f); |
21294 | 498 |
|
499 |
fun theory_to_proof f = begin_proof |
|
24780
47bb1e380d83
local_theory transactions: more careful treatment of context position;
wenzelm
parents:
24634
diff
changeset
|
500 |
(K (fn Context.Theory thy => f thy | _ => raise UNDEF)) |
47bb1e380d83
local_theory transactions: more careful treatment of context position;
wenzelm
parents:
24634
diff
changeset
|
501 |
(K (Context.Theory o ProofContext.theory_of)); |
21294 | 502 |
|
503 |
end; |
|
504 |
||
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
505 |
val forget_proof = transaction (fn _ => |
21007 | 506 |
(fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE) |
507 |
| SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE) |
|
508 |
| _ => raise UNDEF)); |
|
509 |
||
30366
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
diff
changeset
|
510 |
val present_proof = present_transaction (fn _ => |
33390 | 511 |
(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
|
512 |
| skip as SkipProof _ => skip |
30366
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
diff
changeset
|
513 |
| _ => raise UNDEF)); |
21177 | 514 |
|
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
515 |
fun proofs' f = transaction (fn int => |
33390 | 516 |
(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
|
517 |
| skip as SkipProof _ => skip |
16815 | 518 |
| _ => raise UNDEF)); |
15668 | 519 |
|
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
520 |
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
|
521 |
val proofs = proofs' o K; |
6689 | 522 |
val proof = proof' o K; |
16815 | 523 |
|
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
524 |
fun actual_proof f = transaction (fn _ => |
21007 | 525 |
(fn Proof (prf, x) => Proof (f prf, x) |
20963
a7fd8f05a2be
added type global_theory -- theory or local_theory;
wenzelm
parents:
20928
diff
changeset
|
526 |
| _ => raise UNDEF)); |
16815 | 527 |
|
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
528 |
fun skip_proof f = transaction (fn _ => |
21007 | 529 |
(fn SkipProof (h, x) => SkipProof (f h, x) |
18563 | 530 |
| _ => raise UNDEF)); |
531 |
||
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
532 |
fun skip_proof_to_theory pred = transaction (fn _ => |
27564
fc6d34e49e17
replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents:
27500
diff
changeset
|
533 |
(fn SkipProof (d, (gthy, _)) => if pred d then Theory (gthy, NONE) else raise UNDEF |
17904
21c6894b5998
simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents:
17513
diff
changeset
|
534 |
| _ => raise UNDEF)); |
5828 | 535 |
|
536 |
||
537 |
||
538 |
(** toplevel transactions **) |
|
539 |
||
27427 | 540 |
(* identification *) |
541 |
||
542 |
fun get_id (Transition {pos, ...}) = Position.get_id pos; |
|
543 |
fun put_id id (tr as Transition {pos, ...}) = position (Position.put_id id pos) tr; |
|
544 |
||
545 |
||
25960 | 546 |
(* thread position *) |
25799 | 547 |
|
25960 | 548 |
fun setmp_thread_position (Transition {pos, ...}) f x = |
25819
e6feb08b7f4b
replaced thread_properties by simplified version in position.ML;
wenzelm
parents:
25809
diff
changeset
|
549 |
Position.setmp_thread_data pos f x; |
25799 | 550 |
|
27606 | 551 |
fun status tr m = |
552 |
setmp_thread_position tr (fn () => Output.status (Markup.markup m "")) (); |
|
553 |
||
26602
5534b6a6b810
made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents:
26491
diff
changeset
|
554 |
fun error_msg tr 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
|
555 |
setmp_thread_position tr (fn () => |
c5d2899b6de9
moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents:
31431
diff
changeset
|
556 |
Output.error_msg (ML_Compiler.exn_message (EXCURSION_FAIL exn_info))) (); |
26602
5534b6a6b810
made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents:
26491
diff
changeset
|
557 |
|
25799 | 558 |
|
28095
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
559 |
(* post-transition hooks *) |
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
560 |
|
32738 | 561 |
local val hooks = Unsynchronized.ref ([]: (transition -> state -> state -> unit) list) in |
28095
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
562 |
|
32738 | 563 |
fun add_hook f = CRITICAL (fn () => Unsynchronized.change hooks (cons f)); |
33223 | 564 |
fun get_hooks () = ! hooks; |
28095
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
565 |
|
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
566 |
end; |
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
567 |
|
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
568 |
|
5828 | 569 |
(* apply transitions *) |
570 |
||
6664 | 571 |
local |
572 |
||
32792 | 573 |
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
|
574 |
setmp_thread_position tr (fn state => |
25799 | 575 |
let |
576 |
fun do_timing f x = (warning (command_msg "" tr); timeap f x); |
|
577 |
fun do_profiling f x = profile (! profiling) f x; |
|
578 |
||
26256
3e7939e978c6
added exception CONTEXT, indicating context of another exception;
wenzelm
parents:
26081
diff
changeset
|
579 |
val (result, status) = |
32792 | 580 |
state |> (apply_trans int trans |
25799 | 581 |
|> (if ! profiling > 0 andalso not no_timing then do_profiling else I) |
582 |
|> (if ! profiling > 0 orelse ! timing andalso not no_timing then do_timing else I)); |
|
26256
3e7939e978c6
added exception CONTEXT, indicating context of another exception;
wenzelm
parents:
26081
diff
changeset
|
583 |
|
26621
78b3ad7af5d5
eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents:
26602
diff
changeset
|
584 |
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
|
585 |
in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) status) end); |
6664 | 586 |
|
587 |
in |
|
5828 | 588 |
|
26602
5534b6a6b810
made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents:
26491
diff
changeset
|
589 |
fun transition int tr st = |
28095
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
590 |
let |
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
591 |
val hooks = get_hooks (); |
28103
b79e61861f0f
simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents:
28095
diff
changeset
|
592 |
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
|
593 |
|
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
594 |
val ctxt = try context_of st; |
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
595 |
val res = |
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
596 |
(case app int tr st of |
7eaf0813bdc3
added add_hook interface for post-transition hooks;
wenzelm
parents:
27859
diff
changeset
|
597 |
(_, SOME TERMINATE) => NONE |
28103
b79e61861f0f
simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents:
28095
diff
changeset
|
598 |
| (st', SOME (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
|
599 |
| (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
|
600 |
| (st', NONE) => SOME (st', NONE)); |
b79e61861f0f
simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents:
28095
diff
changeset
|
601 |
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
|
602 |
in res end; |
6664 | 603 |
|
604 |
end; |
|
5828 | 605 |
|
606 |
||
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
607 |
(* commit final exit *) |
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
608 |
|
28425 | 609 |
fun commit_exit pos = |
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
610 |
name "end" empty |
28425 | 611 |
|> position pos |
27601
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
612 |
|> add_trans CommitExit |
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
613 |
|> imperative (fn () => warning "Expected to find finished theory"); |
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
614 |
|
6683cdb94af8
simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents:
27583
diff
changeset
|
615 |
|
28425 | 616 |
(* nested commands *) |
5828 | 617 |
|
28425 | 618 |
fun command tr st = |
27576
7afff36043e6
eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents:
27564
diff
changeset
|
619 |
(case transition (! interact) tr st of |
28425 | 620 |
SOME (st', NONE) => st' |
621 |
| SOME (_, SOME exn_info) => raise EXCURSION_FAIL exn_info |
|
27576
7afff36043e6
eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents:
27564
diff
changeset
|
622 |
| NONE => raise EXCURSION_FAIL (TERMINATE, at_command tr)); |
7afff36043e6
eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents:
27564
diff
changeset
|
623 |
|
29483 | 624 |
fun command_result tr st = |
625 |
let val st' = command tr st |
|
626 |
in (st', st') end; |
|
627 |
||
29516 | 628 |
fun run_command thy_name tr st = |
629 |
(case |
|
630 |
(case init_of tr of |
|
631 |
SOME name => Exn.capture (fn () => ThyLoad.check_name thy_name name) () |
|
632 |
| NONE => Exn.Result ()) of |
|
633 |
Exn.Result () => |
|
634 |
(case transition true tr st of |
|
635 |
SOME (st', NONE) => (status tr Markup.finished; SOME st') |
|
636 |
| SOME (_, SOME exn_info) => (error_msg tr exn_info; status tr Markup.failed; NONE) |
|
637 |
| NONE => (error_msg tr (TERMINATE, at_command tr); status tr Markup.failed; NONE)) |
|
638 |
| Exn.Exn exn => (error_msg tr (exn, at_command tr); status tr Markup.failed; NONE)); |
|
29483 | 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 | 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 |
28453
06702e7acd1d
excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents:
28451
diff
changeset
|
651 |
if immediate orelse null proof_trs orelse |
06702e7acd1d
excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents:
28451
diff
changeset
|
652 |
not (can proof_of st') orelse Proof.is_relevant (proof_of st') |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
653 |
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
|
654 |
let val (states, st'') = fold_map command_result proof_trs 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
|
655 |
in (Lazy.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
|
656 |
else |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
657 |
let |
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
658 |
val (body_trs, end_tr) = split_last proof_trs; |
28453
06702e7acd1d
excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents:
28451
diff
changeset
|
659 |
val finish = Context.Theory o ProofContext.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
|
660 |
|
29386 | 661 |
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
|
662 |
(fn prf => |
32062
457f5bcd3d76
Proof.future_proof: declare all assumptions as well;
wenzelm
parents:
32058
diff
changeset
|
663 |
Future.fork_pri ~1 (fn () => |
30366
e3d788b9dffb
simplified presentation: built into transaction, pass state directly;
wenzelm
parents:
29516
diff
changeset
|
664 |
let val (states, result_state) = |
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
|
665 |
(case st' of State (SOME (Proof (_, (_, orig_gthy)), exit), prev) |
33390 | 666 |
=> State (SOME (Proof (Proof_Node.init prf, (finish, orig_gthy)), exit), prev)) |
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
|
667 |
|> fold_map command_result body_trs |
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
|
668 |
||> command (end_tr |> set_print false); |
30398 | 669 |
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
|
670 |
#> (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
|
671 |
|
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
|
672 |
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
|
673 |
|
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
|
674 |
val states = |
30398 | 675 |
(case States.get (presentation_context_of st'') 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
|
676 |
NONE => sys_error ("No future states for " ^ name_of tr ^ Position.str_of (pos_of tr)) |
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 |
| SOME states => states); |
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 |
val result = Lazy.lazy |
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 |
(fn () => (tr, st') :: (body_trs ~~ Future.join states) @ [(end_tr, st'')]); |
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
|
680 |
|
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
|
681 |
in (result, st'') end |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
682 |
end; |
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
683 |
|
29068 | 684 |
fun excursion input = |
28425 | 685 |
let |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
686 |
val end_pos = if null input then error "No input" else pos_of (fst (List.last input)); |
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
687 |
|
29448
34b9652b2f45
added Goal.future_enabled abstraction -- now also checks that this is already
wenzelm
parents:
29435
diff
changeset
|
688 |
val immediate = not (Goal.future_enabled ()); |
29427
7ba952481e29
excursion: commit_exit internally -- checkpoints are fully persistent now;
wenzelm
parents:
29386
diff
changeset
|
689 |
val (results, end_state) = fold_map (proof_result immediate) input toplevel; |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
690 |
val _ = |
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
691 |
(case end_state of |
29427
7ba952481e29
excursion: commit_exit internally -- checkpoints are fully persistent now;
wenzelm
parents:
29386
diff
changeset
|
692 |
State (NONE, SOME (Theory (Context.Theory _, _), _)) => |
7ba952481e29
excursion: commit_exit internally -- checkpoints are fully persistent now;
wenzelm
parents:
29386
diff
changeset
|
693 |
command (commit_exit end_pos) end_state |
28433
b3dab95f098f
begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents:
28425
diff
changeset
|
694 |
| _ => error "Unfinished development at end of input"); |
29427
7ba952481e29
excursion: commit_exit internally -- checkpoints are fully persistent now;
wenzelm
parents:
29386
diff
changeset
|
695 |
in Lazy.lazy (fn () => maps Lazy.force results) end; |
7062 | 696 |
|
6664 | 697 |
end; |