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ca7ff3f7
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Lélio Brun
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open Basetypes
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2de7fa82
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ploc
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(* open ActiveEnv *)
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ca7ff3f7
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Lélio Brun
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open CPS_transformer
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2de7fa82
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ploc
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(* open Datatype *)
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(* open Simulink *)
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ca7ff3f7
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Lélio Brun
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(* Theta functions interfaces including memoization when using modular calls
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2de7fa82
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ploc
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ca7ff3f7
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Lélio Brun
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parametrized by the transformer specifying the type of the continuation.
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Evaluation of actions is also continuation dependent. *)
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2de7fa82
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ploc
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ca7ff3f7
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Lélio Brun
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module KenvTheta (T : TransformerType) = struct
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2de7fa82
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ploc
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type kenv_t = {
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ca7ff3f7
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Lélio Brun
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cont_node :
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(path_t
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* ((kenv_t -> path_t -> frontier_t -> T.t)
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* (kenv_t -> T.t)
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* (kenv_t -> frontier_t -> T.t)))
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list;
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cont_junc :
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(junction_name_t
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* (kenv_t -> T.t wrapper_t -> T.t success_t -> T.t fail_t -> T.t))
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list;
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2de7fa82
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ploc
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}
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let init_env src =
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ca7ff3f7
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Lélio Brun
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List.fold_left
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(fun accu d ->
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match d with
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| Datatype.State (p, _) ->
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ActiveStates.Env.add p false accu
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| _ ->
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accu)
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ActiveStates.Env.empty src
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module type KenvType = sig
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2de7fa82
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ploc
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val kenv : kenv_t
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end
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ca7ff3f7
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Lélio Brun
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module type MemoThetaTablesType = sig
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2de7fa82
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ploc
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val tables : 'c call_t -> ('c, T.t) Memo.t
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end
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ca7ff3f7
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Lélio Brun
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module type MemoThetaType = sig
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2de7fa82
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ploc
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include ThetaType with type t = T.t
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ca7ff3f7
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Lélio Brun
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2de7fa82
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ploc
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val components : 'c call_t -> ('c * t) list
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end
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ca7ff3f7
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Lélio Brun
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module type ModularType = sig
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2de7fa82
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ploc
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val modular : (path_t, 'b, bool) tag_t -> path_t -> 'b
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end
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ca7ff3f7
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Lélio Brun
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module MemoThetaTables : functor () -> MemoThetaTablesType =
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functor
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()
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->
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struct
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let table_theta_e =
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(Memo.create () : (path_t * path_t * frontier_t, T.t) Memo.t)
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let table_theta_d = (Memo.create () : (path_t, T.t) Memo.t)
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let table_theta_x = (Memo.create () : (path_t * frontier_t, T.t) Memo.t)
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let tables : type c. c call_t -> (c, T.t) Memo.t =
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fun call ->
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match call with
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| Ecall ->
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table_theta_e
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| Dcall ->
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table_theta_d
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| Xcall ->
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table_theta_x
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end
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module Memoize
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(Tables : MemoThetaTablesType)
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(Theta : ThetaType with type t = T.t) : MemoThetaType = struct
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2de7fa82
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ploc
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type t = Theta.t
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let components call =
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ca7ff3f7
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Lélio Brun
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Memo.fold (Tables.tables call) (fun k v res -> (k, v) :: res) []
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2de7fa82
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ploc
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let theta : type a b. (a, b, t) theta_t =
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ca7ff3f7
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Lélio Brun
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fun tag ->
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2de7fa82
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ploc
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match tag with
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ca7ff3f7
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Lélio Brun
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| J ->
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Theta.theta J
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| E ->
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Memo.apply3 (Tables.tables Ecall) (Theta.theta E)
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| D ->
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Memo.apply (Tables.tables Dcall) (Theta.theta D)
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| X ->
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Memo.apply2 (Tables.tables Xcall) (Theta.theta X)
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2de7fa82
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ploc
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end
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ca7ff3f7
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Lélio Brun
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module Modularize (Mod : ModularType) (Theta : MemoThetaType) :
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MemoThetaType = struct
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2de7fa82
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ploc
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type t = Theta.t
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let mod_theta = (module Theta : ThetaType with type t = T.t)
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let components : type c. c call_t -> (c * t) list =
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ca7ff3f7
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Lélio Brun
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fun call ->
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2de7fa82
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ploc
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match call with
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ca7ff3f7
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Lélio Brun
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| Ecall ->
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List.filter
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(fun ((p, p', f), _) -> Mod.modular E p p' f)
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(Theta.components Ecall)
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| Dcall ->
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List.filter (fun (p, _) -> Mod.modular D p) (Theta.components Dcall)
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| Xcall ->
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List.filter
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(fun ((p, f), _) -> Mod.modular X p f)
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(Theta.components Xcall)
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2de7fa82
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ploc
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let theta : type a b. (a, b, t) theta_t =
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ca7ff3f7
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Lélio Brun
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fun tag ->
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2de7fa82
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ploc
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match tag with
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ca7ff3f7
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Lélio Brun
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| J ->
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Theta.theta tag
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| E ->
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fun p p' f ->
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let theta_e = Theta.theta tag p p' f in
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if Mod.modular E p p' f then
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T.(eval_act mod_theta (call Ecall (p, p', f)))
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else theta_e
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| D ->
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fun p ->
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let theta_d = Theta.theta tag p in
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if Mod.modular D p then T.(eval_act mod_theta (call Dcall p))
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else theta_d
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| X ->
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fun p f ->
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let theta_x = Theta.theta tag p f in
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if Mod.modular X p f then T.(eval_act mod_theta (call Xcall (p, f)))
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else theta_x
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2de7fa82
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ploc
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end
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module type ThetaifyType = functor (Kenv : KenvType) -> MemoThetaType
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ca7ff3f7
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Lélio Brun
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module BasicThetaify : ThetaifyType =
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functor
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(Kenv : KenvType)
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->
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struct
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type t = T.t
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let theta_ify : type a b. kenv_t -> (a, b, T.t) theta_t =
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fun kenv tag ->
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match tag with
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| J -> (
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fun j ->
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try List.assoc j kenv.cont_junc kenv
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with Not_found ->
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Format.eprintf "Lost junction %a@ " pp_junction_name j;
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assert false)
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| E -> (
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fun p ->
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try
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let e, _, _ = List.assoc p kenv.cont_node in
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e kenv
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with Not_found ->
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Format.eprintf "Entering lost path [%a]@." pp_path p;
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assert false)
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| D -> (
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fun p ->
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try
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let _, d, _ = List.assoc p kenv.cont_node in
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d kenv
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with Not_found ->
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Format.eprintf "During lost path [%a]@." pp_path p;
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assert false)
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| X -> (
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fun p ->
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try
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let _, _, x = List.assoc p kenv.cont_node in
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x kenv
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with Not_found ->
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Format.eprintf "Exiting lost path [%a]@." pp_path p;
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assert false)
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let theta tag = theta_ify Kenv.kenv tag
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let components _call = []
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end
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module ModularThetaify : functor
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(Tables : MemoThetaTablesType)
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(Mod : ModularType)
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-> ThetaifyType =
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functor
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(Tables : MemoThetaTablesType)
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(Mod : ModularType)
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(Kenv : KenvType)
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->
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Modularize (Mod) (Memoize (Tables) (BasicThetaify (Kenv)))
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2de7fa82
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ploc
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end
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