wenzelm@5828
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(* Title: Pure/Isar/toplevel.ML
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wenzelm@5828
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Author: Markus Wenzel, TU Muenchen
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wenzelm@5828
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wenzelm@26602
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Isabelle/Isar toplevel transactions.
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wenzelm@5828
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*)
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wenzelm@5828
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wenzelm@5828
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signature TOPLEVEL =
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wenzelm@5828
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sig
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wenzelm@19063
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exception UNDEF
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wenzelm@20963
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type generic_theory
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wenzelm@5828
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type state
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wenzelm@26602
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val toplevel: state
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wenzelm@7732
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val is_toplevel: state -> bool
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wenzelm@18589
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val is_theory: state -> bool
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wenzelm@18589
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val is_proof: state -> bool
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wenzelm@17076
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val level: state -> int
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wenzelm@30398
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val presentation_context_of: state -> Proof.context
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wenzelm@30805
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val previous_context_of: state -> Proof.context option
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wenzelm@21506
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val context_of: state -> Proof.context
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wenzelm@22089
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val generic_theory_of: state -> generic_theory
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wenzelm@5828
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val theory_of: state -> theory
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wenzelm@5828
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val proof_of: state -> Proof.state
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wenzelm@18589
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val proof_position_of: state -> int
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wenzelm@21007
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val enter_proof_body: state -> Proof.state
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wenzelm@16815
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val print_state_context: state -> unit
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wenzelm@16815
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val print_state: bool -> state -> unit
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wenzelm@32738
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val quiet: bool Unsynchronized.ref
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wenzelm@32738
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val debug: bool Unsynchronized.ref
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wenzelm@32738
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val interact: bool Unsynchronized.ref
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wenzelm@32738
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val timing: bool Unsynchronized.ref
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wenzelm@32738
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val profiling: int Unsynchronized.ref
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wenzelm@32738
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val skip_proofs: bool Unsynchronized.ref
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wenzelm@5828
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exception TERMINATE
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wenzelm@27583
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exception TOPLEVEL_ERROR
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wenzelm@20128
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val program: (unit -> 'a) -> 'a
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wenzelm@33604
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val thread: bool -> (unit -> unit) -> Thread.thread
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wenzelm@16682
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type transition
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wenzelm@5828
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val empty: transition
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wenzelm@27441
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val init_of: transition -> string option
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wenzelm@27427
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val name_of: transition -> string
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wenzelm@28105
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val pos_of: transition -> Position.T
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wenzelm@27500
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val str_of: transition -> string
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wenzelm@5828
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val name: string -> transition -> transition
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wenzelm@5828
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val position: Position.T -> transition -> transition
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wenzelm@5828
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val interactive: bool -> transition -> transition
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wenzelm@5828
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val print: transition -> transition
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wenzelm@9010
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val no_timing: transition -> transition
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wenzelm@27576
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val init_theory: string -> (bool -> theory) -> (theory -> unit) -> transition -> transition
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neuper@37878
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val init_isac_calc: string -> (bool -> theory) -> (theory -> unit) -> transition -> transition
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wenzelm@6689
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val exit: transition -> transition
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wenzelm@5828
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val keep: (state -> unit) -> transition -> transition
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wenzelm@7612
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val keep': (bool -> state -> unit) -> transition -> transition
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wenzelm@5828
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val imperative: (unit -> unit) -> transition -> transition
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wenzelm@27840
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val ignored: Position.T -> transition
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wenzelm@27840
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val malformed: Position.T -> string -> transition
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wenzelm@5828
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val theory: (theory -> theory) -> transition -> transition
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wenzelm@26491
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val generic_theory: (generic_theory -> generic_theory) -> transition -> transition
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wenzelm@7612
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val theory': (bool -> theory -> theory) -> transition -> transition
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wenzelm@20985
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val begin_local_theory: bool -> (theory -> local_theory) -> transition -> transition
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wenzelm@21007
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val end_local_theory: transition -> transition
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wenzelm@29380
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val local_theory': xstring option -> (bool -> local_theory -> local_theory) ->
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wenzelm@29380
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transition -> transition
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wenzelm@20963
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val local_theory: xstring option -> (local_theory -> local_theory) -> transition -> transition
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wenzelm@30366
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val present_local_theory: xstring option -> (state -> unit) -> transition -> transition
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berghofe@24453
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val local_theory_to_proof': xstring option -> (bool -> local_theory -> Proof.state) ->
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berghofe@24453
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transition -> transition
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wenzelm@21007
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val local_theory_to_proof: xstring option -> (local_theory -> Proof.state) ->
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wenzelm@21007
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transition -> transition
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wenzelm@17363
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val theory_to_proof: (theory -> Proof.state) -> transition -> transition
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wenzelm@21007
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val end_proof: (bool -> Proof.state -> Proof.context) -> transition -> transition
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wenzelm@21007
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val forget_proof: transition -> transition
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wenzelm@30366
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val present_proof: (state -> unit) -> transition -> transition
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wenzelm@21177
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val proofs': (bool -> Proof.state -> Proof.state Seq.seq) -> transition -> transition
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wenzelm@21177
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val proof': (bool -> Proof.state -> Proof.state) -> transition -> transition
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wenzelm@21177
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val proofs: (Proof.state -> Proof.state Seq.seq) -> transition -> transition
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wenzelm@17904
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val proof: (Proof.state -> Proof.state) -> transition -> transition
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wenzelm@33390
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val actual_proof: (Proof_Node.T -> Proof_Node.T) -> transition -> transition
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wenzelm@27564
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val skip_proof: (int -> int) -> transition -> transition
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wenzelm@17904
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val skip_proof_to_theory: (int -> bool) -> transition -> transition
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wenzelm@27427
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val get_id: transition -> string option
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wenzelm@27427
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val put_id: string -> transition -> transition
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wenzelm@9512
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val unknown_theory: transition -> transition
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wenzelm@9512
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val unknown_proof: transition -> transition
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wenzelm@9512
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val unknown_context: transition -> transition
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wenzelm@28425
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val setmp_thread_position: transition -> ('a -> 'b) -> 'a -> 'b
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wenzelm@27606
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val status: transition -> Markup.T -> unit
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wenzelm@26602
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val error_msg: transition -> exn * string -> unit
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wenzelm@28103
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val add_hook: (transition -> state -> state -> unit) -> unit
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wenzelm@26602
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val transition: bool -> transition -> state -> (state * (exn * string) option) option
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wenzelm@28425
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val commit_exit: Position.T -> transition
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wenzelm@28425
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val command: transition -> state -> state
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wenzelm@29516
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val run_command: string -> transition -> state -> state option
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wenzelm@29427
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val excursion: (transition * transition list) list -> (transition * state) list lazy
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wenzelm@5828
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end;
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wenzelm@5828
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wenzelm@6965
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structure Toplevel: TOPLEVEL =
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wenzelm@5828
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struct
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wenzelm@5828
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wenzelm@5828
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(** toplevel state **)
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wenzelm@5828
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wenzelm@31476
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exception UNDEF = Runtime.UNDEF;
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wenzelm@19063
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wenzelm@19063
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wenzelm@21294
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(* local theory wrappers *)
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wenzelm@5828
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wenzelm@20963
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type generic_theory = Context.generic; (*theory or local_theory*)
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wenzelm@20963
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wenzelm@35216
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val loc_init = Theory_Target.context_cmd;
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wenzelm@33673
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val loc_exit = Local_Theory.exit_global;
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wenzelm@21294
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wenzelm@25292
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fun loc_begin loc (Context.Theory thy) = loc_init (the_default "-" loc) thy
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wenzelm@21294
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| loc_begin NONE (Context.Proof lthy) = lthy
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haftmann@25269
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| loc_begin (SOME loc) (Context.Proof lthy) = loc_init loc (loc_exit lthy);
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wenzelm@21294
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wenzelm@21294
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fun loc_finish _ (Context.Theory _) = Context.Theory o loc_exit
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wenzelm@33673
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| loc_finish NONE (Context.Proof _) = Context.Proof o Local_Theory.restore
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wenzelm@25292
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| loc_finish (SOME _) (Context.Proof lthy) = fn lthy' =>
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wenzelm@33673
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Context.Proof (Local_Theory.reinit (Local_Theory.raw_theory (K (loc_exit lthy')) lthy));
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wenzelm@21294
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wenzelm@21294
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wenzelm@21958
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(* datatype node *)
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wenzelm@21294
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wenzelm@5828
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datatype node =
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wenzelm@27576
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Theory of generic_theory * Proof.context option
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wenzelm@27576
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(*theory with presentation context*) |
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wenzelm@33390
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Proof of Proof_Node.T * ((Proof.context -> generic_theory) * generic_theory)
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wenzelm@27576
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(*proof node, finish, original theory*) |
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wenzelm@27564
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SkipProof of int * (generic_theory * generic_theory);
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wenzelm@27564
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(*proof depth, resulting theory, original theory*)
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wenzelm@5828
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wenzelm@20963
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val theory_node = fn Theory (gthy, _) => SOME gthy | _ => NONE;
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wenzelm@18589
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val proof_node = fn Proof (prf, _) => SOME prf | _ => NONE;
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wenzelm@18589
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wenzelm@20963
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fun cases_node f _ (Theory (gthy, _)) = f gthy
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wenzelm@33390
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| cases_node _ g (Proof (prf, _)) = g (Proof_Node.current prf)
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wenzelm@21007
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| cases_node f _ (SkipProof (_, (gthy, _))) = f gthy;
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wenzelm@19063
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wenzelm@29066
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val context_node = cases_node Context.proof_of Proof.context_of;
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wenzelm@29066
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wenzelm@5828
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wenzelm@21958
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(* datatype state *)
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wenzelm@5828
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wenzelm@27601
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type node_info = node * (theory -> unit); (*node with exit operation*)
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wenzelm@27601
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datatype state = State of node_info option * node_info option; (*current, previous*)
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wenzelm@21958
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wenzelm@27576
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val toplevel = State (NONE, NONE);
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wenzelm@21958
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wenzelm@27576
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fun is_toplevel (State (NONE, _)) = true
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wenzelm@7732
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| is_toplevel _ = false;
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wenzelm@7732
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wenzelm@27576
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fun level (State (NONE, _)) = 0
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wenzelm@27576
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| level (State (SOME (Theory _, _), _)) = 0
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wenzelm@33390
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| level (State (SOME (Proof (prf, _), _), _)) = Proof.level (Proof_Node.current prf)
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wenzelm@27576
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| level (State (SOME (SkipProof (d, _), _), _)) = d + 1; (*different notion of proof depth!*)
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wenzelm@17076
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wenzelm@27576
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fun str_of_state (State (NONE, _)) = "at top level"
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wenzelm@27576
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| str_of_state (State (SOME (Theory (Context.Theory _, _), _), _)) = "in theory mode"
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wenzelm@27576
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| str_of_state (State (SOME (Theory (Context.Proof _, _), _), _)) = "in local theory mode"
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wenzelm@27576
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| str_of_state (State (SOME (Proof _, _), _)) = "in proof mode"
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wenzelm@27576
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| str_of_state (State (SOME (SkipProof _, _), _)) = "in skipped proof mode";
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wenzelm@5946
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wenzelm@5946
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wenzelm@27576
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(* current node *)
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wenzelm@5828
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wenzelm@27576
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fun node_of (State (NONE, _)) = raise UNDEF
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wenzelm@27576
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| node_of (State (SOME (node, _), _)) = node;
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wenzelm@5828
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wenzelm@18589
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fun is_theory state = not (is_toplevel state) andalso is_some (theory_node (node_of state));
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wenzelm@18589
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fun is_proof state = not (is_toplevel state) andalso is_some (proof_node (node_of state));
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wenzelm@18589
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wenzelm@19063
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fun node_case f g state = cases_node f g (node_of state);
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wenzelm@5828
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wenzelm@30398
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fun presentation_context_of state =
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wenzelm@30398
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(case try node_of state of
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wenzelm@30398
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SOME (Theory (_, SOME ctxt)) => ctxt
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wenzelm@30398
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| SOME node => context_node node
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wenzelm@30398
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| NONE => raise UNDEF);
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wenzelm@30366
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wenzelm@30805
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fun previous_context_of (State (_, NONE)) = NONE
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wenzelm@30805
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| previous_context_of (State (_, SOME (prev, _))) = SOME (context_node prev);
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wenzelm@30805
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wenzelm@21506
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val context_of = node_case Context.proof_of Proof.context_of;
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wenzelm@22089
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val generic_theory_of = node_case I (Context.Proof o Proof.context_of);
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wenzelm@20963
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val theory_of = node_case Context.theory_of Proof.theory_of;
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wenzelm@18589
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val proof_of = node_case (fn _ => raise UNDEF) I;
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wenzelm@17208
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wenzelm@18589
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fun proof_position_of state =
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wenzelm@18589
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(case node_of state of
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wenzelm@33390
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Proof (prf, _) => Proof_Node.position prf
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wenzelm@18589
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| _ => raise UNDEF);
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wenzelm@6664
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wenzelm@21007
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val enter_proof_body = node_case (Proof.init o Context.proof_of) Proof.enter_forward;
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wenzelm@5828
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wenzelm@5828
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wenzelm@16815
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(* print state *)
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wenzelm@16815
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wenzelm@33673
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val pretty_context = Local_Theory.pretty o Context.cases (Theory_Target.init NONE) I;
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wenzelm@16815
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wenzelm@23640
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fun print_state_context state =
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wenzelm@24795
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(case try node_of state of
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wenzelm@21506
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NONE => []
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wenzelm@24795
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| SOME (Theory (gthy, _)) => pretty_context gthy
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wenzelm@24795
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| SOME (Proof (_, (_, gthy))) => pretty_context gthy
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wenzelm@24795
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| SOME (SkipProof (_, (gthy, _))) => pretty_context gthy)
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wenzelm@23640
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|> Pretty.chunks |> Pretty.writeln;
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wenzelm@16815
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wenzelm@23640
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fun print_state prf_only state =
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wenzelm@23701
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(case try node_of state of
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wenzelm@23701
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NONE => []
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wenzelm@23701
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| SOME (Theory (gthy, _)) => if prf_only then [] else pretty_context gthy
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wenzelm@23701
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| SOME (Proof (prf, _)) =>
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wenzelm@33390
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Proof.pretty_state (Proof_Node.position prf) (Proof_Node.current prf)
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wenzelm@27564
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| SOME (SkipProof (d, _)) => [Pretty.str ("skipped proof: depth " ^ string_of_int d)])
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wenzelm@23701
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|> Pretty.markup_chunks Markup.state |> Pretty.writeln;
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wenzelm@16815
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wenzelm@16815
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wenzelm@15668
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217 |
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wenzelm@5828
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218 |
(** toplevel transitions **)
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wenzelm@5828
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219 |
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wenzelm@32738
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220 |
val quiet = Unsynchronized.ref false;
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wenzelm@22135
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221 |
val debug = Output.debugging;
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wenzelm@32738
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val interact = Unsynchronized.ref false;
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wenzelm@16682
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val timing = Output.timing;
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wenzelm@32738
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val profiling = Unsynchronized.ref 0;
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wenzelm@32738
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val skip_proofs = Unsynchronized.ref false;
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wenzelm@16682
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226 |
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wenzelm@31476
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227 |
exception TERMINATE = Runtime.TERMINATE;
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wenzelm@31476
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228 |
exception EXCURSION_FAIL = Runtime.EXCURSION_FAIL;
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wenzelm@31476
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229 |
exception TOPLEVEL_ERROR = Runtime.TOPLEVEL_ERROR;
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wenzelm@20128
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230 |
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wenzelm@33604
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231 |
fun program body =
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wenzelm@33604
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232 |
(body
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wenzelm@31476
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233 |
|> Runtime.controlled_execution
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wenzelm@33604
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234 |
|> Runtime.toplevel_error (Output.error_msg o ML_Compiler.exn_message)) ();
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wenzelm@33604
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235 |
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wenzelm@33604
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236 |
fun thread interrupts body =
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wenzelm@33604
|
237 |
Thread.fork
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wenzelm@33604
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238 |
(((fn () => body () handle Exn.Interrupt => ())
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wenzelm@33604
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239 |
|> Runtime.debugging
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wenzelm@33604
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240 |
|> Runtime.toplevel_error
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wenzelm@33604
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241 |
(fn exn => priority ("## INTERNAL ERROR ##\n" ^ ML_Compiler.exn_message exn))),
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wenzelm@37216
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242 |
Simple_Thread.attributes interrupts);
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wenzelm@20128
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243 |
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wenzelm@5828
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244 |
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wenzelm@27601
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245 |
(* node transactions -- maintaining stable checkpoints *)
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wenzelm@7022
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246 |
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wenzelm@31476
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247 |
exception FAILURE of state * exn;
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wenzelm@31476
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248 |
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wenzelm@6689
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249 |
local
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wenzelm@6689
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250 |
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wenzelm@30366
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251 |
fun reset_presentation (Theory (gthy, _)) = Theory (gthy, NONE)
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wenzelm@30366
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252 |
| reset_presentation node = node;
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wenzelm@30366
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253 |
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wenzelm@26624
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254 |
fun is_draft_theory (Theory (gthy, _)) = Context.is_draft (Context.theory_of gthy)
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wenzelm@26624
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255 |
| is_draft_theory _ = false;
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wenzelm@26624
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256 |
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wenzelm@31476
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257 |
fun is_stale state = Context.is_stale (theory_of state) handle Runtime.UNDEF => false;
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wenzelm@27601
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258 |
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wenzelm@26624
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259 |
fun stale_error NONE = SOME (ERROR "Stale theory encountered after successful execution!")
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wenzelm@26624
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260 |
| stale_error some = some;
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wenzelm@16815
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261 |
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wenzelm@27576
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262 |
fun map_theory f (Theory (gthy, ctxt)) =
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wenzelm@33673
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263 |
Theory (Context.mapping f (Local_Theory.raw_theory f) gthy, ctxt)
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wenzelm@27576
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264 |
| map_theory _ node = node;
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wenzelm@6689
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265 |
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wenzelm@6689
|
266 |
in
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wenzelm@6689
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267 |
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wenzelm@32799
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268 |
fun apply_transaction f g (node, exit) =
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wenzelm@20128
|
269 |
let
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wenzelm@27576
|
270 |
val _ = is_draft_theory node andalso error "Illegal draft theory in toplevel state";
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wenzelm@27576
|
271 |
val cont_node = reset_presentation node;
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wenzelm@27576
|
272 |
val back_node = map_theory (Theory.checkpoint o Theory.copy) cont_node;
|
wenzelm@27601
|
273 |
fun state_error e nd = (State (SOME (nd, exit), SOME (node, exit)), e);
|
wenzelm@6689
|
274 |
|
wenzelm@20128
|
275 |
val (result, err) =
|
wenzelm@20128
|
276 |
cont_node
|
wenzelm@31476
|
277 |
|> Runtime.controlled_execution f
|
wenzelm@26624
|
278 |
|> map_theory Theory.checkpoint
|
wenzelm@26624
|
279 |
|> state_error NONE
|
wenzelm@26624
|
280 |
handle exn => state_error (SOME exn) cont_node;
|
wenzelm@26624
|
281 |
|
wenzelm@26624
|
282 |
val (result', err') =
|
wenzelm@26624
|
283 |
if is_stale result then state_error (stale_error err) back_node
|
wenzelm@26624
|
284 |
else (result, err);
|
wenzelm@20128
|
285 |
in
|
wenzelm@26624
|
286 |
(case err' of
|
wenzelm@30366
|
287 |
NONE => tap g result'
|
wenzelm@26624
|
288 |
| SOME exn => raise FAILURE (result', exn))
|
wenzelm@20128
|
289 |
end;
|
wenzelm@6689
|
290 |
|
wenzelm@6689
|
291 |
end;
|
wenzelm@6689
|
292 |
|
wenzelm@6689
|
293 |
|
wenzelm@6689
|
294 |
(* primitive transitions *)
|
wenzelm@6689
|
295 |
|
wenzelm@5828
|
296 |
datatype trans =
|
wenzelm@27576
|
297 |
Init of string * (bool -> theory) * (theory -> unit) | (*theory name, init, exit*)
|
wenzelm@27576
|
298 |
Exit | (*formal exit of theory -- without committing*)
|
wenzelm@27576
|
299 |
CommitExit | (*exit and commit final theory*)
|
wenzelm@27576
|
300 |
Keep of bool -> state -> unit | (*peek at state*)
|
wenzelm@30366
|
301 |
Transaction of (bool -> node -> node) * (state -> unit); (*node transaction and presentation*)
|
wenzelm@21958
|
302 |
|
wenzelm@6689
|
303 |
local
|
wenzelm@6689
|
304 |
|
wenzelm@32799
|
305 |
fun apply_tr int (Init (_, f, exit)) (State (NONE, _)) =
|
wenzelm@33737
|
306 |
State (SOME (Theory (Context.Theory
|
wenzelm@33737
|
307 |
(Theory.checkpoint (Runtime.controlled_execution f int)), NONE), exit), NONE)
|
wenzelm@32799
|
308 |
| apply_tr _ Exit (State (prev as SOME (Theory (Context.Theory _, _), _), _)) =
|
wenzelm@27603
|
309 |
State (NONE, prev)
|
wenzelm@32799
|
310 |
| apply_tr _ CommitExit (State (NONE, SOME (Theory (Context.Theory thy, _), exit))) =
|
wenzelm@31476
|
311 |
(Runtime.controlled_execution exit thy; toplevel)
|
wenzelm@32799
|
312 |
| apply_tr int (Keep f) state =
|
wenzelm@31476
|
313 |
Runtime.controlled_execution (fn x => tap (f int) x) state
|
wenzelm@32799
|
314 |
| apply_tr int (Transaction (f, g)) (State (SOME state, _)) =
|
wenzelm@32799
|
315 |
apply_transaction (fn x => f int x) g state
|
wenzelm@32799
|
316 |
| apply_tr _ _ _ = raise UNDEF;
|
wenzelm@6689
|
317 |
|
wenzelm@32799
|
318 |
fun apply_union _ [] state = raise FAILURE (state, UNDEF)
|
wenzelm@32799
|
319 |
| apply_union int (tr :: trs) state =
|
wenzelm@32799
|
320 |
apply_union int trs state
|
wenzelm@32799
|
321 |
handle Runtime.UNDEF => apply_tr int tr state
|
wenzelm@32799
|
322 |
| FAILURE (alt_state, UNDEF) => apply_tr int tr alt_state
|
wenzelm@6689
|
323 |
| exn as FAILURE _ => raise exn
|
wenzelm@6689
|
324 |
| exn => raise FAILURE (state, exn);
|
wenzelm@6689
|
325 |
|
wenzelm@6689
|
326 |
in
|
wenzelm@6689
|
327 |
|
wenzelm@32799
|
328 |
fun apply_trans int trs state = (apply_union int trs state, NONE)
|
skalberg@15531
|
329 |
handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn);
|
wenzelm@6689
|
330 |
|
wenzelm@6689
|
331 |
end;
|
wenzelm@5828
|
332 |
|
wenzelm@5828
|
333 |
|
wenzelm@5828
|
334 |
(* datatype transition *)
|
wenzelm@5828
|
335 |
|
wenzelm@5828
|
336 |
datatype transition = Transition of
|
wenzelm@26621
|
337 |
{name: string, (*command name*)
|
wenzelm@26621
|
338 |
pos: Position.T, (*source position*)
|
wenzelm@26621
|
339 |
int_only: bool, (*interactive-only*)
|
wenzelm@26621
|
340 |
print: bool, (*print result state*)
|
wenzelm@26621
|
341 |
no_timing: bool, (*suppress timing*)
|
wenzelm@26621
|
342 |
trans: trans list}; (*primitive transitions (union)*)
|
wenzelm@5828
|
343 |
|
wenzelm@26621
|
344 |
fun make_transition (name, pos, int_only, print, no_timing, trans) =
|
wenzelm@26621
|
345 |
Transition {name = name, pos = pos, int_only = int_only, print = print, no_timing = no_timing,
|
wenzelm@26621
|
346 |
trans = trans};
|
wenzelm@5828
|
347 |
|
wenzelm@26621
|
348 |
fun map_transition f (Transition {name, pos, int_only, print, no_timing, trans}) =
|
wenzelm@26621
|
349 |
make_transition (f (name, pos, int_only, print, no_timing, trans));
|
wenzelm@5828
|
350 |
|
wenzelm@27441
|
351 |
val empty = make_transition ("", Position.none, false, false, false, []);
|
wenzelm@5828
|
352 |
|
wenzelm@5828
|
353 |
|
wenzelm@5828
|
354 |
(* diagnostics *)
|
wenzelm@5828
|
355 |
|
wenzelm@27441
|
356 |
fun init_of (Transition {trans = [Init (name, _, _)], ...}) = SOME name
|
wenzelm@27441
|
357 |
| init_of _ = NONE;
|
wenzelm@27441
|
358 |
|
wenzelm@27427
|
359 |
fun name_of (Transition {name, ...}) = name;
|
wenzelm@28105
|
360 |
fun pos_of (Transition {pos, ...}) = pos;
|
wenzelm@28105
|
361 |
fun str_of tr = quote (name_of tr) ^ Position.str_of (pos_of tr);
|
wenzelm@5828
|
362 |
|
wenzelm@27427
|
363 |
fun command_msg msg tr = msg ^ "command " ^ str_of tr;
|
wenzelm@5828
|
364 |
fun at_command tr = command_msg "At " tr ^ ".";
|
wenzelm@5828
|
365 |
|
wenzelm@5828
|
366 |
fun type_error tr state =
|
wenzelm@18685
|
367 |
ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state);
|
wenzelm@5828
|
368 |
|
wenzelm@5828
|
369 |
|
wenzelm@5828
|
370 |
(* modify transitions *)
|
wenzelm@5828
|
371 |
|
wenzelm@28451
|
372 |
fun name name = map_transition (fn (_, pos, int_only, print, no_timing, trans) =>
|
wenzelm@28451
|
373 |
(name, pos, int_only, print, no_timing, trans));
|
wenzelm@5828
|
374 |
|
wenzelm@26621
|
375 |
fun position pos = map_transition (fn (name, _, int_only, print, no_timing, trans) =>
|
wenzelm@26621
|
376 |
(name, pos, int_only, print, no_timing, trans));
|
wenzelm@5828
|
377 |
|
wenzelm@26621
|
378 |
fun interactive int_only = map_transition (fn (name, pos, _, print, no_timing, trans) =>
|
wenzelm@26621
|
379 |
(name, pos, int_only, print, no_timing, trans));
|
wenzelm@5828
|
380 |
|
wenzelm@26621
|
381 |
val no_timing = map_transition (fn (name, pos, int_only, print, _, trans) =>
|
wenzelm@26621
|
382 |
(name, pos, int_only, print, true, trans));
|
wenzelm@5828
|
383 |
|
wenzelm@26621
|
384 |
fun add_trans tr = map_transition (fn (name, pos, int_only, print, no_timing, trans) =>
|
wenzelm@28451
|
385 |
(name, pos, int_only, print, no_timing, tr :: trans));
|
wenzelm@17363
|
386 |
|
wenzelm@28433
|
387 |
val reset_trans = map_transition (fn (name, pos, int_only, print, no_timing, _) =>
|
wenzelm@28433
|
388 |
(name, pos, int_only, print, no_timing, []));
|
wenzelm@28433
|
389 |
|
wenzelm@28453
|
390 |
fun set_print print = map_transition (fn (name, pos, int_only, _, no_timing, trans) =>
|
wenzelm@28453
|
391 |
(name, pos, int_only, print, no_timing, trans));
|
wenzelm@28453
|
392 |
|
wenzelm@28453
|
393 |
val print = set_print true;
|
wenzelm@5828
|
394 |
|
wenzelm@5828
|
395 |
|
wenzelm@21007
|
396 |
(* basic transitions *)
|
wenzelm@5828
|
397 |
|
wenzelm@27576
|
398 |
fun init_theory name f exit = add_trans (Init (name, f, exit));
|
neuper@37878
|
399 |
fun init_isac_calc name f exit = add_trans (Init (name, f, exit));
|
wenzelm@6689
|
400 |
val exit = add_trans Exit;
|
wenzelm@7612
|
401 |
val keep' = add_trans o Keep;
|
wenzelm@30366
|
402 |
|
wenzelm@30366
|
403 |
fun present_transaction f g = add_trans (Transaction (f, g));
|
wenzelm@30366
|
404 |
fun transaction f = present_transaction f (K ());
|
wenzelm@5828
|
405 |
|
wenzelm@7612
|
406 |
fun keep f = add_trans (Keep (fn _ => f));
|
wenzelm@5828
|
407 |
fun imperative f = keep (fn _ => f ());
|
wenzelm@5828
|
408 |
|
wenzelm@27840
|
409 |
fun ignored pos = empty |> name "<ignored>" |> position pos |> imperative I;
|
wenzelm@27840
|
410 |
fun malformed pos msg =
|
wenzelm@27840
|
411 |
empty |> name "<malformed>" |> position pos |> imperative (fn () => error msg);
|
wenzelm@27840
|
412 |
|
wenzelm@21007
|
413 |
val unknown_theory = imperative (fn () => warning "Unknown theory context");
|
wenzelm@21007
|
414 |
val unknown_proof = imperative (fn () => warning "Unknown proof context");
|
wenzelm@21007
|
415 |
val unknown_context = imperative (fn () => warning "Unknown context");
|
wenzelm@15668
|
416 |
|
wenzelm@21007
|
417 |
|
wenzelm@21007
|
418 |
(* theory transitions *)
|
wenzelm@15668
|
419 |
|
wenzelm@27601
|
420 |
fun generic_theory f = transaction (fn _ =>
|
wenzelm@26491
|
421 |
(fn Theory (gthy, _) => Theory (f gthy, NONE)
|
wenzelm@26491
|
422 |
| _ => raise UNDEF));
|
wenzelm@26491
|
423 |
|
wenzelm@27601
|
424 |
fun theory' f = transaction (fn int =>
|
wenzelm@33735
|
425 |
(fn Theory (Context.Theory thy, _) =>
|
wenzelm@33735
|
426 |
let val thy' = thy
|
wenzelm@33735
|
427 |
|> Sign.new_group
|
wenzelm@33735
|
428 |
|> Theory.checkpoint
|
wenzelm@33735
|
429 |
|> f int
|
wenzelm@33735
|
430 |
|> Sign.reset_group;
|
wenzelm@33735
|
431 |
in Theory (Context.Theory thy', NONE) end
|
wenzelm@20963
|
432 |
| _ => raise UNDEF));
|
wenzelm@18563
|
433 |
|
wenzelm@20963
|
434 |
fun theory f = theory' (K f);
|
wenzelm@17076
|
435 |
|
wenzelm@27601
|
436 |
fun begin_local_theory begin f = transaction (fn _ =>
|
wenzelm@20963
|
437 |
(fn Theory (Context.Theory thy, _) =>
|
wenzelm@20963
|
438 |
let
|
wenzelm@20985
|
439 |
val lthy = f thy;
|
wenzelm@21294
|
440 |
val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy);
|
wenzelm@21294
|
441 |
in Theory (gthy, SOME lthy) end
|
wenzelm@20963
|
442 |
| _ => raise UNDEF));
|
wenzelm@20963
|
443 |
|
wenzelm@27601
|
444 |
val end_local_theory = transaction (fn _ =>
|
wenzelm@21294
|
445 |
(fn Theory (Context.Proof lthy, _) => Theory (Context.Theory (loc_exit lthy), SOME lthy)
|
wenzelm@21007
|
446 |
| _ => raise UNDEF));
|
wenzelm@21007
|
447 |
|
wenzelm@21007
|
448 |
local
|
wenzelm@21007
|
449 |
|
wenzelm@30366
|
450 |
fun local_theory_presentation loc f = present_transaction (fn int =>
|
wenzelm@21294
|
451 |
(fn Theory (gthy, _) =>
|
wenzelm@21294
|
452 |
let
|
wenzelm@21294
|
453 |
val finish = loc_finish loc gthy;
|
wenzelm@33735
|
454 |
val lthy' = loc_begin loc gthy
|
wenzelm@33735
|
455 |
|> Local_Theory.new_group
|
wenzelm@33735
|
456 |
|> f int
|
wenzelm@33735
|
457 |
|> Local_Theory.reset_group;
|
wenzelm@21294
|
458 |
in Theory (finish lthy', SOME lthy') end
|
wenzelm@30366
|
459 |
| _ => raise UNDEF));
|
wenzelm@20963
|
460 |
|
wenzelm@21007
|
461 |
in
|
wenzelm@21007
|
462 |
|
wenzelm@30366
|
463 |
fun local_theory' loc f = local_theory_presentation loc f (K ());
|
wenzelm@29380
|
464 |
fun local_theory loc f = local_theory' loc (K f);
|
wenzelm@30366
|
465 |
fun present_local_theory loc = local_theory_presentation loc (K I);
|
wenzelm@18955
|
466 |
|
wenzelm@21007
|
467 |
end;
|
wenzelm@21007
|
468 |
|
wenzelm@21007
|
469 |
|
wenzelm@21007
|
470 |
(* proof transitions *)
|
wenzelm@21007
|
471 |
|
wenzelm@27601
|
472 |
fun end_proof f = transaction (fn int =>
|
wenzelm@24795
|
473 |
(fn Proof (prf, (finish, _)) =>
|
wenzelm@33390
|
474 |
let val state = Proof_Node.current prf in
|
wenzelm@21007
|
475 |
if can (Proof.assert_bottom true) state then
|
wenzelm@21007
|
476 |
let
|
wenzelm@21007
|
477 |
val ctxt' = f int state;
|
wenzelm@21007
|
478 |
val gthy' = finish ctxt';
|
wenzelm@21007
|
479 |
in Theory (gthy', SOME ctxt') end
|
wenzelm@21007
|
480 |
else raise UNDEF
|
wenzelm@21007
|
481 |
end
|
wenzelm@27564
|
482 |
| SkipProof (0, (gthy, _)) => Theory (gthy, NONE)
|
wenzelm@21007
|
483 |
| _ => raise UNDEF));
|
wenzelm@21007
|
484 |
|
wenzelm@21294
|
485 |
local
|
wenzelm@21294
|
486 |
|
wenzelm@27601
|
487 |
fun begin_proof init finish = transaction (fn int =>
|
wenzelm@21294
|
488 |
(fn Theory (gthy, _) =>
|
wenzelm@21294
|
489 |
let
|
berghofe@24453
|
490 |
val prf = init int gthy;
|
wenzelm@28433
|
491 |
val skip = ! skip_proofs;
|
wenzelm@21294
|
492 |
val schematic = Proof.schematic_goal prf;
|
wenzelm@21294
|
493 |
in
|
wenzelm@28433
|
494 |
if skip andalso schematic then
|
wenzelm@21294
|
495 |
warning "Cannot skip proof of schematic goal statement"
|
wenzelm@21294
|
496 |
else ();
|
wenzelm@28433
|
497 |
if skip andalso not schematic then
|
wenzelm@27564
|
498 |
SkipProof (0, (finish gthy (Proof.global_skip_proof int prf), gthy))
|
wenzelm@33390
|
499 |
else Proof (Proof_Node.init prf, (finish gthy, gthy))
|
wenzelm@21294
|
500 |
end
|
wenzelm@21294
|
501 |
| _ => raise UNDEF));
|
wenzelm@21294
|
502 |
|
wenzelm@21294
|
503 |
in
|
wenzelm@21294
|
504 |
|
wenzelm@24780
|
505 |
fun local_theory_to_proof' loc f = begin_proof
|
wenzelm@33735
|
506 |
(fn int => fn gthy => f int (Local_Theory.new_group (loc_begin loc gthy)))
|
wenzelm@33735
|
507 |
(fn gthy => loc_finish loc gthy o Local_Theory.reset_group);
|
wenzelm@24780
|
508 |
|
berghofe@24453
|
509 |
fun local_theory_to_proof loc f = local_theory_to_proof' loc (K f);
|
wenzelm@21294
|
510 |
|
wenzelm@21294
|
511 |
fun theory_to_proof f = begin_proof
|
wenzelm@33735
|
512 |
(K (fn Context.Theory thy => f (Theory.checkpoint (Sign.new_group thy)) | _ => raise UNDEF))
|
wenzelm@33735
|
513 |
(K (Context.Theory o Sign.reset_group o ProofContext.theory_of));
|
wenzelm@21294
|
514 |
|
wenzelm@21294
|
515 |
end;
|
wenzelm@21294
|
516 |
|
wenzelm@27601
|
517 |
val forget_proof = transaction (fn _ =>
|
wenzelm@21007
|
518 |
(fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
|
wenzelm@21007
|
519 |
| SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
|
wenzelm@21007
|
520 |
| _ => raise UNDEF));
|
wenzelm@21007
|
521 |
|
wenzelm@30366
|
522 |
val present_proof = present_transaction (fn _ =>
|
wenzelm@33390
|
523 |
(fn Proof (prf, x) => Proof (Proof_Node.apply I prf, x)
|
wenzelm@27564
|
524 |
| skip as SkipProof _ => skip
|
wenzelm@30366
|
525 |
| _ => raise UNDEF));
|
wenzelm@21177
|
526 |
|
wenzelm@27601
|
527 |
fun proofs' f = transaction (fn int =>
|
wenzelm@33390
|
528 |
(fn Proof (prf, x) => Proof (Proof_Node.applys (f int) prf, x)
|
wenzelm@27564
|
529 |
| skip as SkipProof _ => skip
|
wenzelm@16815
|
530 |
| _ => raise UNDEF));
|
wenzelm@15668
|
531 |
|
wenzelm@17904
|
532 |
fun proof' f = proofs' (Seq.single oo f);
|
wenzelm@17904
|
533 |
val proofs = proofs' o K;
|
wenzelm@6689
|
534 |
val proof = proof' o K;
|
wenzelm@16815
|
535 |
|
wenzelm@27601
|
536 |
fun actual_proof f = transaction (fn _ =>
|
wenzelm@21007
|
537 |
(fn Proof (prf, x) => Proof (f prf, x)
|
wenzelm@20963
|
538 |
| _ => raise UNDEF));
|
wenzelm@16815
|
539 |
|
wenzelm@27601
|
540 |
fun skip_proof f = transaction (fn _ =>
|
wenzelm@21007
|
541 |
(fn SkipProof (h, x) => SkipProof (f h, x)
|
wenzelm@18563
|
542 |
| _ => raise UNDEF));
|
wenzelm@18563
|
543 |
|
wenzelm@27601
|
544 |
fun skip_proof_to_theory pred = transaction (fn _ =>
|
wenzelm@27564
|
545 |
(fn SkipProof (d, (gthy, _)) => if pred d then Theory (gthy, NONE) else raise UNDEF
|
wenzelm@33735
|
546 |
| _ => raise UNDEF));
|
wenzelm@5828
|
547 |
|
wenzelm@5828
|
548 |
|
wenzelm@5828
|
549 |
|
wenzelm@5828
|
550 |
(** toplevel transactions **)
|
wenzelm@5828
|
551 |
|
wenzelm@27427
|
552 |
(* identification *)
|
wenzelm@27427
|
553 |
|
wenzelm@27427
|
554 |
fun get_id (Transition {pos, ...}) = Position.get_id pos;
|
wenzelm@27427
|
555 |
fun put_id id (tr as Transition {pos, ...}) = position (Position.put_id id pos) tr;
|
wenzelm@27427
|
556 |
|
wenzelm@27427
|
557 |
|
wenzelm@25960
|
558 |
(* thread position *)
|
wenzelm@25799
|
559 |
|
wenzelm@25960
|
560 |
fun setmp_thread_position (Transition {pos, ...}) f x =
|
wenzelm@25819
|
561 |
Position.setmp_thread_data pos f x;
|
wenzelm@25799
|
562 |
|
wenzelm@27606
|
563 |
fun status tr m =
|
wenzelm@27606
|
564 |
setmp_thread_position tr (fn () => Output.status (Markup.markup m "")) ();
|
wenzelm@27606
|
565 |
|
wenzelm@26602
|
566 |
fun error_msg tr exn_info =
|
wenzelm@31476
|
567 |
setmp_thread_position tr (fn () =>
|
wenzelm@31476
|
568 |
Output.error_msg (ML_Compiler.exn_message (EXCURSION_FAIL exn_info))) ();
|
wenzelm@26602
|
569 |
|
wenzelm@25799
|
570 |
|
wenzelm@28095
|
571 |
(* post-transition hooks *)
|
wenzelm@28095
|
572 |
|
wenzelm@32738
|
573 |
local val hooks = Unsynchronized.ref ([]: (transition -> state -> state -> unit) list) in
|
wenzelm@28095
|
574 |
|
wenzelm@32738
|
575 |
fun add_hook f = CRITICAL (fn () => Unsynchronized.change hooks (cons f));
|
wenzelm@33234
|
576 |
fun get_hooks () = ! hooks;
|
wenzelm@28095
|
577 |
|
wenzelm@28095
|
578 |
end;
|
wenzelm@28095
|
579 |
|
wenzelm@28095
|
580 |
|
wenzelm@5828
|
581 |
(* apply transitions *)
|
wenzelm@5828
|
582 |
|
wenzelm@6664
|
583 |
local
|
wenzelm@6664
|
584 |
|
wenzelm@32799
|
585 |
fun app int (tr as Transition {trans, print, no_timing, ...}) =
|
wenzelm@25819
|
586 |
setmp_thread_position tr (fn state =>
|
wenzelm@25799
|
587 |
let
|
wenzelm@25799
|
588 |
fun do_timing f x = (warning (command_msg "" tr); timeap f x);
|
wenzelm@25799
|
589 |
fun do_profiling f x = profile (! profiling) f x;
|
wenzelm@16682
|
590 |
|
wenzelm@26256
|
591 |
val (result, status) =
|
wenzelm@32799
|
592 |
state |> (apply_trans int trans
|
wenzelm@25799
|
593 |
|> (if ! profiling > 0 andalso not no_timing then do_profiling else I)
|
wenzelm@25799
|
594 |
|> (if ! profiling > 0 orelse ! timing andalso not no_timing then do_timing else I));
|
wenzelm@26256
|
595 |
|
wenzelm@26621
|
596 |
val _ = if int andalso not (! quiet) andalso print then print_state false result else ();
|
wenzelm@26256
|
597 |
in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) status) end);
|
wenzelm@6664
|
598 |
|
wenzelm@6664
|
599 |
in
|
wenzelm@5828
|
600 |
|
wenzelm@26602
|
601 |
fun transition int tr st =
|
wenzelm@28095
|
602 |
let
|
wenzelm@28095
|
603 |
val hooks = get_hooks ();
|
wenzelm@28103
|
604 |
fun apply_hooks st' = hooks |> List.app (fn f => (try (fn () => f tr st st') (); ()));
|
wenzelm@28095
|
605 |
|
wenzelm@28095
|
606 |
val ctxt = try context_of st;
|
wenzelm@28095
|
607 |
val res =
|
wenzelm@28095
|
608 |
(case app int tr st of
|
wenzelm@28095
|
609 |
(_, SOME TERMINATE) => NONE
|
wenzelm@28103
|
610 |
| (st', SOME (EXCURSION_FAIL exn_info)) => SOME (st', SOME exn_info)
|
wenzelm@31476
|
611 |
| (st', SOME exn) => SOME (st', SOME (Runtime.exn_context ctxt exn, at_command tr))
|
wenzelm@28103
|
612 |
| (st', NONE) => SOME (st', NONE));
|
wenzelm@28103
|
613 |
val _ = (case res of SOME (st', NONE) => apply_hooks st' | _ => ());
|
wenzelm@28095
|
614 |
in res end;
|
wenzelm@6664
|
615 |
|
wenzelm@6664
|
616 |
end;
|
wenzelm@5828
|
617 |
|
wenzelm@5828
|
618 |
|
wenzelm@27601
|
619 |
(* commit final exit *)
|
wenzelm@27601
|
620 |
|
wenzelm@28425
|
621 |
fun commit_exit pos =
|
wenzelm@27601
|
622 |
name "end" empty
|
wenzelm@28425
|
623 |
|> position pos
|
wenzelm@27601
|
624 |
|> add_trans CommitExit
|
wenzelm@27601
|
625 |
|> imperative (fn () => warning "Expected to find finished theory");
|
wenzelm@27601
|
626 |
|
wenzelm@27601
|
627 |
|
wenzelm@28425
|
628 |
(* nested commands *)
|
wenzelm@5828
|
629 |
|
wenzelm@28425
|
630 |
fun command tr st =
|
wenzelm@27576
|
631 |
(case transition (! interact) tr st of
|
wenzelm@28425
|
632 |
SOME (st', NONE) => st'
|
wenzelm@28425
|
633 |
| SOME (_, SOME exn_info) => raise EXCURSION_FAIL exn_info
|
wenzelm@27576
|
634 |
| NONE => raise EXCURSION_FAIL (TERMINATE, at_command tr));
|
wenzelm@27576
|
635 |
|
wenzelm@29484
|
636 |
fun command_result tr st =
|
wenzelm@29484
|
637 |
let val st' = command tr st
|
wenzelm@29484
|
638 |
in (st', st') end;
|
wenzelm@29484
|
639 |
|
wenzelm@29516
|
640 |
fun run_command thy_name tr st =
|
wenzelm@29516
|
641 |
(case
|
wenzelm@29516
|
642 |
(case init_of tr of
|
wenzelm@37216
|
643 |
SOME name => Exn.capture (fn () => Thy_Load.check_name thy_name name) ()
|
wenzelm@29516
|
644 |
| NONE => Exn.Result ()) of
|
wenzelm@29516
|
645 |
Exn.Result () =>
|
wenzelm@29516
|
646 |
(case transition true tr st of
|
wenzelm@29516
|
647 |
SOME (st', NONE) => (status tr Markup.finished; SOME st')
|
wenzelm@37213
|
648 |
| SOME (_, SOME (exn as Exn.Interrupt, _)) => reraise exn
|
wenzelm@29516
|
649 |
| SOME (_, SOME exn_info) => (error_msg tr exn_info; status tr Markup.failed; NONE)
|
wenzelm@29516
|
650 |
| NONE => (error_msg tr (TERMINATE, at_command tr); status tr Markup.failed; NONE))
|
wenzelm@29516
|
651 |
| Exn.Exn exn => (error_msg tr (exn, at_command tr); status tr Markup.failed; NONE));
|
wenzelm@29484
|
652 |
|
wenzelm@28433
|
653 |
|
wenzelm@28433
|
654 |
(* excursion of units, consisting of commands with proof *)
|
wenzelm@28433
|
655 |
|
wenzelm@33519
|
656 |
structure States = Proof_Data
|
wenzelm@28974
|
657 |
(
|
wenzelm@28974
|
658 |
type T = state list future option;
|
wenzelm@28974
|
659 |
fun init _ = NONE;
|
wenzelm@28974
|
660 |
);
|
wenzelm@28974
|
661 |
|
wenzelm@28974
|
662 |
fun proof_result immediate (tr, proof_trs) st =
|
wenzelm@28433
|
663 |
let val st' = command tr st in
|
wenzelm@36315
|
664 |
if immediate orelse
|
wenzelm@36315
|
665 |
null proof_trs orelse
|
wenzelm@36950
|
666 |
Keyword.is_schematic_goal (name_of tr) orelse
|
wenzelm@36950
|
667 |
exists (Keyword.is_qed_global o name_of) proof_trs orelse
|
wenzelm@36315
|
668 |
not (can proof_of st') orelse
|
wenzelm@36315
|
669 |
Proof.is_relevant (proof_of st')
|
wenzelm@28433
|
670 |
then
|
wenzelm@28453
|
671 |
let val (states, st'') = fold_map command_result proof_trs st'
|
wenzelm@28974
|
672 |
in (Lazy.value ((tr, st') :: (proof_trs ~~ states)), st'') end
|
wenzelm@28453
|
673 |
else
|
wenzelm@28433
|
674 |
let
|
wenzelm@28433
|
675 |
val (body_trs, end_tr) = split_last proof_trs;
|
wenzelm@28453
|
676 |
val finish = Context.Theory o ProofContext.theory_of;
|
wenzelm@28974
|
677 |
|
wenzelm@29386
|
678 |
val future_proof = Proof.global_future_proof
|
wenzelm@28974
|
679 |
(fn prf =>
|
wenzelm@32078
|
680 |
Future.fork_pri ~1 (fn () =>
|
wenzelm@30366
|
681 |
let val (states, result_state) =
|
wenzelm@28974
|
682 |
(case st' of State (SOME (Proof (_, (_, orig_gthy)), exit), prev)
|
wenzelm@33390
|
683 |
=> State (SOME (Proof (Proof_Node.init prf, (finish, orig_gthy)), exit), prev))
|
wenzelm@28974
|
684 |
|> fold_map command_result body_trs
|
wenzelm@28974
|
685 |
||> command (end_tr |> set_print false);
|
wenzelm@30398
|
686 |
in (states, presentation_context_of result_state) end))
|
wenzelm@28974
|
687 |
#> (fn (states, ctxt) => States.put (SOME states) ctxt);
|
wenzelm@28974
|
688 |
|
wenzelm@28974
|
689 |
val st'' = st' |> command (end_tr |> reset_trans |> end_proof (K future_proof));
|
wenzelm@28974
|
690 |
|
wenzelm@28974
|
691 |
val states =
|
wenzelm@30398
|
692 |
(case States.get (presentation_context_of st'') of
|
wenzelm@28974
|
693 |
NONE => sys_error ("No future states for " ^ name_of tr ^ Position.str_of (pos_of tr))
|
wenzelm@28974
|
694 |
| SOME states => states);
|
wenzelm@28974
|
695 |
val result = Lazy.lazy
|
wenzelm@28974
|
696 |
(fn () => (tr, st') :: (body_trs ~~ Future.join states) @ [(end_tr, st'')]);
|
wenzelm@28974
|
697 |
|
wenzelm@28974
|
698 |
in (result, st'') end
|
wenzelm@28433
|
699 |
end;
|
wenzelm@28433
|
700 |
|
wenzelm@29068
|
701 |
fun excursion input =
|
wenzelm@28425
|
702 |
let
|
wenzelm@28433
|
703 |
val end_pos = if null input then error "No input" else pos_of (fst (List.last input));
|
wenzelm@28433
|
704 |
|
wenzelm@29448
|
705 |
val immediate = not (Goal.future_enabled ());
|
wenzelm@29427
|
706 |
val (results, end_state) = fold_map (proof_result immediate) input toplevel;
|
wenzelm@28433
|
707 |
val _ =
|
wenzelm@28433
|
708 |
(case end_state of
|
wenzelm@29427
|
709 |
State (NONE, SOME (Theory (Context.Theory _, _), _)) =>
|
wenzelm@29427
|
710 |
command (commit_exit end_pos) end_state
|
wenzelm@28433
|
711 |
| _ => error "Unfinished development at end of input");
|
wenzelm@29427
|
712 |
in Lazy.lazy (fn () => maps Lazy.force results) end;
|
wenzelm@7062
|
713 |
|
wenzelm@6664
|
714 |
end;
|