src/Pure/Isar/toplevel.ML
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Thu, 02 Oct 2008 14:22:40 +0200
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simplified Exn.EXCEPTIONS;
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(*  Title:      Pure/Isar/toplevel.ML
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    ID:         $Id$
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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 node
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  val theory_node: node -> generic_theory option
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  val proof_node: node -> ProofNode.T option
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  val cases_node: (generic_theory -> 'a) -> (Proof.state -> 'a) -> node -> 'a
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  val presentation_context: node option -> xstring option -> Proof.context
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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 previous_node_of: state -> node option
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  val node_of: state -> node
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  val node_case: (generic_theory -> 'a) -> (Proof.state -> 'a) -> state -> 'a
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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 ref
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  val debug: bool ref
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  val interact: bool ref
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  val timing: bool ref
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  val profiling: int ref
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  val skip_proofs: bool ref
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  exception TERMINATE
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  exception TOPLEVEL_ERROR
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  exception CONTEXT of Proof.context * exn
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  val exn_message: exn -> string
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  val program: (unit -> 'a) -> 'a
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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 -> (local_theory -> local_theory) -> transition -> transition
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  val present_local_theory: xstring option -> (node -> 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: (node -> 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: (ProofNode.T -> ProofNode.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 excursion: (transition * transition list) list -> (transition * state) list * (unit -> unit)
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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;
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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 = TheoryTarget.context;
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val loc_exit = LocalTheory.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 LocalTheory.restore
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  | loc_finish (SOME _) (Context.Proof lthy) = fn lthy' =>
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      Context.Proof (LocalTheory.reinit (LocalTheory.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 ProofNode.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 the_global_theory = fn Theory (Context.Theory thy, _) => thy | _ => raise UNDEF;
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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 (ProofNode.current prf)
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  | cases_node f _ (SkipProof (_, (gthy, _))) = f gthy;
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fun presentation_context (SOME (Theory (_, SOME ctxt))) NONE = ctxt
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  | presentation_context (SOME node) NONE = cases_node Context.proof_of Proof.context_of node
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  | presentation_context (SOME node) (SOME loc) =
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      loc_init loc (cases_node Context.theory_of Proof.theory_of node)
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  | presentation_context NONE _ = raise UNDEF;
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fun reset_presentation (Theory (gthy, _)) = Theory (gthy, NONE)
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  | reset_presentation node = node;
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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 (ProofNode.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 previous_node_of (State (_, prev)) = Option.map #1 prev;
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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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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, _) => ProofNode.position prf
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  | _ => raise UNDEF);
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val enter_proof_body = node_case (Proof.init o Context.proof_of) Proof.enter_forward;
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(* print state *)
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val pretty_context = LocalTheory.pretty o Context.cases (TheoryTarget.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
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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 (ProofNode.position prf) (ProofNode.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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(** toplevel transitions **)
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val quiet = ref false;
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val debug = Output.debugging;
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val interact = ref false;
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val timing = Output.timing;
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val profiling = ref 0;
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val skip_proofs = ref false;
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exception TERMINATE;
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exception EXCURSION_FAIL of exn * string;
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exception FAILURE of state * exn;
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exception TOPLEVEL_ERROR;
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(* print exceptions *)
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exception CONTEXT of Proof.context * exn;
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fun exn_context NONE exn = exn
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  | exn_context (SOME ctxt) exn = CONTEXT (ctxt, exn);
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local
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fun if_context NONE _ _ = []
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  | if_context (SOME ctxt) f xs = map (f ctxt) xs;
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fun raised name [] = "exception " ^ name ^ " raised"
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  | raised name [msg] = "exception " ^ name ^ " raised: " ^ msg
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  | raised name msgs = cat_lines (("exception " ^ name ^ " raised:") :: msgs);
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in
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fun exn_message e =
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  let
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    val detailed = ! debug;
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    fun exn_msg _ (CONTEXT (ctxt, exn)) = exn_msg (SOME ctxt) exn
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      | exn_msg ctxt (Exn.EXCEPTIONS exns) = cat_lines (map (exn_msg ctxt) exns)
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      | exn_msg ctxt (EXCURSION_FAIL (exn, loc)) =
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          exn_msg ctxt exn ^ Markup.markup Markup.location ("\n" ^ loc)
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      | exn_msg _ TERMINATE = "Exit."
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      | exn_msg _ Exn.Interrupt = "Interrupt."
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      | exn_msg _ TimeLimit.TimeOut = "Timeout."
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      | exn_msg _ TOPLEVEL_ERROR = "Error."
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      | exn_msg _ (SYS_ERROR msg) = "## SYSTEM ERROR ##\n" ^ msg
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      | exn_msg _ (ERROR msg) = msg
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      | exn_msg _ (Fail msg) = raised "Fail" [msg]
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      | exn_msg _ (THEORY (msg, thys)) =
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          raised "THEORY" (msg :: (if detailed then map Context.str_of_thy thys else []))
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      | exn_msg _ (Syntax.AST (msg, asts)) = raised "AST" (msg ::
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            (if detailed then map (Pretty.string_of o Syntax.pretty_ast) asts else []))
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      | exn_msg ctxt (TYPE (msg, Ts, ts)) = raised "TYPE" (msg ::
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            (if detailed then
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              if_context ctxt Syntax.string_of_typ Ts @ if_context ctxt Syntax.string_of_term ts
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             else []))
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      | exn_msg ctxt (TERM (msg, ts)) = raised "TERM" (msg ::
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            (if detailed then if_context ctxt Syntax.string_of_term ts else []))
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      | exn_msg ctxt (THM (msg, i, thms)) = raised ("THM " ^ string_of_int i) (msg ::
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            (if detailed then if_context ctxt ProofContext.string_of_thm thms else []))
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      | exn_msg _ exn = raised (General.exnMessage exn) []
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  in exn_msg NONE e end;
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end;
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(* controlled execution *)
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local
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fun debugging f x =
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  if ! debug then exception_trace (fn () => f x)
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  else f x;
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fun toplevel_error f x =
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  let val ctxt = try ML_Context.the_local_context () in
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    f x handle exn =>
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      (Output.error_msg (exn_message (exn_context ctxt exn)); raise TOPLEVEL_ERROR)
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  end;
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in
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fun controlled_execution f =
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  f
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  |> debugging
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  |> interruptible;
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fun program f =
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 (f
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  |> debugging
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  |> toplevel_error) ();
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end;
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(* node transactions -- maintaining stable checkpoints *)
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local
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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 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 (LocalTheory.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 pos f (node, exit) =
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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, exit), SOME (node, exit)), e);
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    val (result, err) =
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      cont_node
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      |> 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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   355
      NONE => result'
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   356
    | SOME exn => raise FAILURE (result', exn))
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   357
  end;
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   359
end;
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   361
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   362
(* primitive transitions *)
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   363
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datatype trans =
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   365
  Init of string * (bool -> theory) * (theory -> unit) | (*theory name, init, exit*)
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  Exit |                                         (*formal exit of theory -- without committing*)
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  CommitExit |                                   (*exit and commit final theory*)
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   368
  Keep of bool -> state -> unit |                (*peek at state*)
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   369
  Transaction of bool -> node -> node;           (*node transaction*)
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9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
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   370
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local
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   372
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   373
fun apply_tr int _ (Init (_, f, exit)) (State (NONE, _)) =
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      State (SOME (Theory (Context.Theory (Theory.checkpoint (f int)), NONE), exit), NONE)
27603
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   375
  | apply_tr _ _ Exit (State (prev as SOME (Theory (Context.Theory _, _), _), _)) =
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   376
      State (NONE, prev)
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   377
  | apply_tr _ _ CommitExit (State (NONE, SOME (Theory (Context.Theory thy, _), exit))) =
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   378
      (controlled_execution exit thy; toplevel)
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   379
  | apply_tr int _ (Keep f) state =
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   380
      controlled_execution (fn x => tap (f int) x) state
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   381
  | apply_tr int pos (Transaction f) (State (SOME state, _)) =
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6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
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   382
      apply_transaction pos (fn x => f int x) state
23363
9981199bf865 transaction: context_position (non-destructive only);
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   383
  | apply_tr _ _ _ _ = raise UNDEF;
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1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
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   384
23363
9981199bf865 transaction: context_position (non-destructive only);
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   385
fun apply_union _ _ [] state = raise FAILURE (state, UNDEF)
9981199bf865 transaction: context_position (non-destructive only);
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   386
  | apply_union int pos (tr :: trs) state =
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0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
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   387
      apply_union int pos trs state
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
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diff changeset
   388
        handle UNDEF => apply_tr int pos tr state
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
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   389
          | FAILURE (alt_state, UNDEF) => apply_tr int pos tr alt_state
6689
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   390
          | exn as FAILURE _ => raise exn
wenzelm
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diff changeset
   391
          | exn => raise FAILURE (state, exn);
wenzelm
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diff changeset
   392
wenzelm
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diff changeset
   393
in
wenzelm
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diff changeset
   394
23363
9981199bf865 transaction: context_position (non-destructive only);
wenzelm
parents: 22588
diff changeset
   395
fun apply_trans int pos trs state = (apply_union int pos trs state, NONE)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   396
  handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn);
6689
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   397
wenzelm
parents: 6664
diff changeset
   398
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
diff changeset
   399
1feeadaad6a9 The Isabelle/Isar toplevel.
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parents:
diff changeset
   400
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   401
(* datatype transition *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   402
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   403
datatype transition = Transition of
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   404
 {name: string,              (*command name*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   405
  pos: Position.T,           (*source position*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   406
  int_only: bool,            (*interactive-only*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   407
  print: bool,               (*print result state*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   408
  no_timing: bool,           (*suppress timing*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   409
  trans: trans list};        (*primitive transitions (union)*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   410
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   411
fun make_transition (name, pos, int_only, print, no_timing, trans) =
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   412
  Transition {name = name, pos = pos, int_only = int_only, print = print, no_timing = no_timing,
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   413
    trans = trans};
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   414
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   415
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;
wenzelm
parents: 26602
diff changeset
   416
  make_transition (f (name, pos, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   417
27441
38ccd5aaa353 init_theory: pass name explicitly;
wenzelm
parents: 27427
diff changeset
   418
val empty = make_transition ("", Position.none, false, false, false, []);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   419
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   420
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   421
(* diagnostics *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   422
27441
38ccd5aaa353 init_theory: pass name explicitly;
wenzelm
parents: 27427
diff changeset
   423
fun init_of (Transition {trans = [Init (name, _, _)], ...}) = SOME name
38ccd5aaa353 init_theory: pass name explicitly;
wenzelm
parents: 27427
diff changeset
   424
  | init_of _ = NONE;
38ccd5aaa353 init_theory: pass name explicitly;
wenzelm
parents: 27427
diff changeset
   425
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   426
fun name_of (Transition {name, ...}) = name;
28105
44054657ea56 added pos_of;
wenzelm
parents: 28103
diff changeset
   427
fun pos_of (Transition {pos, ...}) = pos;
44054657ea56 added pos_of;
wenzelm
parents: 28103
diff changeset
   428
fun str_of tr = quote (name_of tr) ^ Position.str_of (pos_of tr);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   429
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   430
fun command_msg msg tr = msg ^ "command " ^ str_of tr;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   431
fun at_command tr = command_msg "At " tr ^ ".";
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   432
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   433
fun type_error tr state =
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   434
  ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   435
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   436
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   437
(* modify transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   438
28451
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
wenzelm
parents: 28446
diff changeset
   439
fun name name = map_transition (fn (_, pos, int_only, print, no_timing, trans) =>
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
wenzelm
parents: 28446
diff changeset
   440
  (name, pos, int_only, print, no_timing, trans));
9010
ce78dc5e1a73 Toplevel.no_timing;
wenzelm
parents: 8999
diff changeset
   441
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   442
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;
wenzelm
parents: 26602
diff changeset
   443
  (name, pos, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   444
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   445
fun interactive int_only = map_transition (fn (name, pos, _, print, no_timing, trans) =>
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   446
  (name, pos, int_only, print, no_timing, trans));
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   447
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   448
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
   449
  (name, pos, int_only, print, true, trans));
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   450
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   451
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
   452
  (name, pos, int_only, print, no_timing, tr :: trans));
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   453
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   454
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
   455
  (name, pos, int_only, print, no_timing, []));
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   456
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   457
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
   458
  (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
   459
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   460
val print = set_print true;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   461
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   462
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   463
(* basic transitions *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   464
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   465
fun init_theory name f exit = add_trans (Init (name, f, exit));
6689
wenzelm
parents: 6664
diff changeset
   466
val exit = add_trans Exit;
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   467
val keep' = add_trans o Keep;
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   468
fun transaction f = add_trans (Transaction f);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   469
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   470
fun keep f = add_trans (Keep (fn _ => f));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   471
fun imperative f = keep (fn _ => f ());
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   472
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   473
fun ignored pos = empty |> name "<ignored>" |> position pos |> imperative I;
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   474
fun malformed pos msg =
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   475
  empty |> name "<malformed>" |> position pos |> imperative (fn () => error msg);
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   476
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   477
val unknown_theory = imperative (fn () => warning "Unknown theory context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   478
val unknown_proof = imperative (fn () => warning "Unknown proof context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   479
val unknown_context = imperative (fn () => warning "Unknown context");
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   480
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   481
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   482
(* theory transitions *)
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   483
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   484
fun generic_theory f = transaction (fn _ =>
26491
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   485
  (fn Theory (gthy, _) => Theory (f gthy, NONE)
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   486
    | _ => raise UNDEF));
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   487
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   488
fun theory' f = transaction (fn int =>
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   489
  (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
   490
    | _ => raise UNDEF));
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   491
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   492
fun theory f = theory' (K f);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   493
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   494
fun begin_local_theory begin f = transaction (fn _ =>
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   495
  (fn Theory (Context.Theory thy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   496
        let
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   497
          val lthy = f thy;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   498
          val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy);
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   499
        in Theory (gthy, SOME lthy) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   500
    | _ => raise UNDEF));
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   501
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   502
val end_local_theory = transaction (fn _ =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   503
  (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
   504
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   505
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   506
local
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   507
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   508
fun local_theory_presentation loc f g = transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   509
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   510
        let
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   511
          val finish = loc_finish loc gthy;
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   512
          val lthy' = f (loc_begin loc gthy);
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   513
        in Theory (finish lthy', SOME lthy') end
27859
c1bc9f4df521 simplified present_local_theory/proof;
wenzelm
parents: 27840
diff changeset
   514
    | _ => raise UNDEF) #> tap g);
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   515
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   516
in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   517
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   518
fun local_theory loc f = local_theory_presentation loc f (K I);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   519
fun present_local_theory loc g = local_theory_presentation loc I g;
18955
fa71f2ddd2e8 added local_theory, with optional locale xname;
wenzelm
parents: 18811
diff changeset
   520
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   521
end;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   522
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   523
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   524
(* proof transitions *)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   525
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   526
fun end_proof f = transaction (fn int =>
24795
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   527
  (fn Proof (prf, (finish, _)) =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   528
        let val state = ProofNode.current prf in
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   529
          if can (Proof.assert_bottom true) state then
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   530
            let
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   531
              val ctxt' = f int state;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   532
              val gthy' = finish ctxt';
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   533
            in Theory (gthy', SOME ctxt') end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   534
          else raise UNDEF
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   535
        end
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   536
    | SkipProof (0, (gthy, _)) => Theory (gthy, NONE)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   537
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   538
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   539
local
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   540
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   541
fun begin_proof init finish = transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   542
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   543
    let
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
   544
      val prf = init int gthy;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   545
      val skip = ! skip_proofs;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   546
      val schematic = Proof.schematic_goal prf;
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   547
    in
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   548
      if skip andalso schematic then
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   549
        warning "Cannot skip proof of schematic goal statement"
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   550
      else ();
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   551
      if skip andalso not schematic then
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   552
        SkipProof (0, (finish gthy (Proof.global_skip_proof int prf), gthy))
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   553
      else Proof (ProofNode.init prf, (finish gthy, gthy))
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   554
    end
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   555
  | _ => raise UNDEF));
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   556
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   557
in
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   558
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   559
fun local_theory_to_proof' loc f = begin_proof
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   560
  (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
   561
  (loc_finish loc);
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   562
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
   563
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
   564
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   565
fun theory_to_proof f = begin_proof
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   566
  (K (fn Context.Theory thy => f thy | _ => raise UNDEF))
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   567
  (K (Context.Theory o ProofContext.theory_of));
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   568
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   569
end;
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   570
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   571
val forget_proof = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   572
  (fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   573
    | SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   574
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   575
27859
c1bc9f4df521 simplified present_local_theory/proof;
wenzelm
parents: 27840
diff changeset
   576
fun present_proof f = transaction (fn _ =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   577
  (fn Proof (prf, x) => Proof (ProofNode.apply I prf, x)
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   578
    | skip as SkipProof _ => skip
27859
c1bc9f4df521 simplified present_local_theory/proof;
wenzelm
parents: 27840
diff changeset
   579
    | _ => raise UNDEF) #> tap f);
21177
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
   580
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   581
fun proofs' f = transaction (fn int =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   582
  (fn Proof (prf, x) => Proof (ProofNode.applys (f int) prf, x)
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   583
    | skip as SkipProof _ => skip
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   584
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   585
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   586
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
   587
val proofs = proofs' o K;
6689
wenzelm
parents: 6664
diff changeset
   588
val proof = proof' o K;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   589
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   590
fun actual_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   591
  (fn Proof (prf, x) => Proof (f prf, x)
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   592
    | _ => raise UNDEF));
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   593
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   594
fun skip_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   595
  (fn SkipProof (h, x) => SkipProof (f h, x)
18563
wenzelm
parents: 17904
diff changeset
   596
    | _ => raise UNDEF));
wenzelm
parents: 17904
diff changeset
   597
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   598
fun skip_proof_to_theory pred = transaction (fn _ =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   599
  (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
   600
  | _ => raise UNDEF));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   601
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   602
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   603
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   604
(** toplevel transactions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   605
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   606
(* identification *)
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   607
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   608
fun get_id (Transition {pos, ...}) = Position.get_id pos;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   609
fun put_id id (tr as Transition {pos, ...}) = position (Position.put_id id pos) tr;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   610
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   611
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   612
(* thread position *)
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   613
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   614
fun setmp_thread_position (Transition {pos, ...}) f x =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   615
  Position.setmp_thread_data pos f x;
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   616
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   617
fun status tr m =
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   618
  setmp_thread_position tr (fn () => Output.status (Markup.markup m "")) ();
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   619
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   620
fun error_msg tr exn_info =
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   621
  setmp_thread_position tr (fn () => Output.error_msg (exn_message (EXCURSION_FAIL exn_info))) ();
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   622
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   623
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   624
(* post-transition hooks *)
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   625
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   626
local val hooks = ref ([]: (transition -> state -> state -> unit) list) in
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   627
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   628
fun add_hook f = CRITICAL (fn () => change hooks (cons f));
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   629
fun get_hooks () = CRITICAL (fn () => ! hooks);
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   630
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   631
end;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   632
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   633
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   634
(* apply transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   635
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   636
local
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   637
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   638
fun app int (tr as Transition {trans, pos, int_only, print, no_timing, ...}) =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   639
  setmp_thread_position tr (fn state =>
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   640
    let
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   641
      val _ = if not int andalso int_only then warning (command_msg "Interactive-only " tr) else ();
16682
wenzelm
parents: 16658
diff changeset
   642
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   643
      fun do_timing f x = (warning (command_msg "" tr); timeap f x);
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   644
      fun do_profiling f x = profile (! profiling) f x;
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   645
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   646
      val (result, status) =
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   647
         state |> (apply_trans int pos trans
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   648
          |> (if ! profiling > 0 andalso not no_timing then do_profiling else I)
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   649
          |> (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
   650
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   651
      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
   652
    in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) status) end);
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   653
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   654
in
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   655
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   656
fun transition int tr st =
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   657
  let
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   658
    val hooks = get_hooks ();
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   659
    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
   660
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   661
    val ctxt = try context_of st;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   662
    val res =
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   663
      (case app int tr st of
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   664
        (_, SOME TERMINATE) => NONE
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   665
      | (st', SOME (EXCURSION_FAIL exn_info)) => SOME (st', SOME exn_info)
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   666
      | (st', SOME exn) => SOME (st', SOME (exn_context ctxt exn, at_command tr))
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   667
      | (st', NONE) => SOME (st', NONE));
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   668
    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
   669
  in res end;
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   670
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   671
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   672
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   673
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   674
(* commit final exit *)
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   675
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   676
fun commit_exit pos =
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   677
  name "end" empty
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   678
  |> position pos
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   679
  |> add_trans CommitExit
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   680
  |> 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
   681
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   682
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   683
(* nested commands *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   684
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   685
fun command tr st =
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   686
  (case transition (! interact) tr st of
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   687
    SOME (st', NONE) => st'
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   688
  | 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
   689
  | 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
   690
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   691
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   692
(* excursion of units, consisting of commands with proof *)
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   693
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   694
fun command_result tr st =
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   695
  let val st' = command tr st
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   696
  in (st', st') end;
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   697
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   698
fun unit_result immediate (tr, proof_trs) st =
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   699
  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
   700
    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
   701
      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
   702
    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
   703
      let val (states, st'') = fold_map command_result proof_trs st'
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   704
      in (fn () => (tr, st') :: (proof_trs ~~ states), st'') end
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   705
    else
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   706
      let
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   707
        val (body_trs, end_tr) = split_last proof_trs;
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   708
        val body_states = ref ([]: state list);
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   709
        val finish = Context.Theory o ProofContext.theory_of;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   710
        fun make_result prf =
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   711
          let val (states, State (result_node, _)) =
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   712
            (case st' of State (SOME (Proof (_, (_, orig_gthy)), exit), prev)
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   713
              => State (SOME (Proof (ProofNode.init prf, (finish, orig_gthy)), exit), prev))
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   714
            |> fold_map command_result body_trs
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   715
            ||> command (end_tr |> set_print false)
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   716
          in body_states := states; presentation_context (Option.map #1 result_node) NONE end;
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   717
        val st'' = st'
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   718
          |> command (end_tr |> reset_trans |> end_proof (K (Proof.future_proof make_result)));
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   719
      in (fn () => (tr, st') :: (body_trs ~~ ! body_states) @ [(end_tr, st'')], st'') end
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   720
  end;
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   721
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   722
fun excursion input =
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   723
  let
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   724
    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
   725
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   726
    val immediate = not (! future_scheduler) orelse Multithreading.max_threads_value () <= 1;
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   727
    val (future_results, end_state) = fold_map (unit_result immediate) input toplevel;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   728
    val _ =
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   729
      (case end_state of
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   730
        State (NONE, SOME (Theory (Context.Theory thy, _), _)) => Thm.join_futures thy
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   731
      | _ => error "Unfinished development at end of input");
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   732
    val results = maps (fn res => res ()) future_results;
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   733
  in (results, fn () => ignore (command (commit_exit end_pos) end_state)) end;
7062
e992884b256d Toplevel.excursion_error;
wenzelm
parents: 7022
diff changeset
   734
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   735
end;