src/HOL/Statespace/state_space.ML
author wenzelm
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more antiquotations;
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(*  Title:      HOL/Statespace/state_space.ML
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    ID:         $Id$
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    Author:     Norbert Schirmer, TU Muenchen
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*)
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signature STATE_SPACE =
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  sig
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    val KN : string
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    val distinct_compsN : string
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    val getN : string
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    val putN : string
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    val injectN : string
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    val namespaceN : string
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    val projectN : string
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    val valuetypesN : string
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    val namespace_definition :
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       bstring ->
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       typ ->
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       Locale.expr ->
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       string list -> string list -> theory -> theory
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    val define_statespace :
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       string list ->
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       string ->
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       (string list * bstring * (string * string) list) list ->
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       (string * string) list -> theory -> theory
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    val define_statespace_i :
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       string option ->
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       string list ->
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       string ->
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       (typ list * bstring * (string * string) list) list ->
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       (string * typ) list -> theory -> theory
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    val statespace_decl :
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       OuterParse.token list ->
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       ((string list * bstring) *
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         ((string list * xstring * (bstring * bstring) list) list *
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          (bstring * string) list)) * OuterParse.token list
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    val neq_x_y : Proof.context -> term -> term -> thm option
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    val distinctNameSolver : Simplifier.solver
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    val distinctTree_tac :
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       Proof.context -> term * int -> Tactical.tactic
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    val distinct_simproc : Simplifier.simproc
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    val get_comp : Context.generic -> string -> (typ * string) Option.option
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    val get_silent : Context.generic -> bool
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    val set_silent : bool -> Context.generic -> Context.generic
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    val gen_lookup_tr : Proof.context -> term -> string -> term
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    val lookup_swap_tr : Proof.context -> term list -> term
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    val lookup_tr : Proof.context -> term list -> term
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    val lookup_tr' : Proof.context -> term list -> term
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    val gen_update_tr :
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       bool -> Proof.context -> string -> term -> term -> term
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    val update_tr : Proof.context -> term list -> term
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    val update_tr' : Proof.context -> term list -> term
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  end;
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structure StateSpace: STATE_SPACE =
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struct
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(* Theorems *)
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(* Names *)
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val distinct_compsN = "distinct_names"
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val namespaceN = "_namespace"
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val valuetypesN = "_valuetypes"
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val projectN = "project"
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val injectN = "inject"
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val getN = "get"
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val putN = "put"
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val project_injectL = "StateSpaceLocale.project_inject";
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val KN = "StateFun.K_statefun"
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(* Library *)
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fun fold1 f xs = fold f (tl xs) (hd xs)
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fun fold1' f [] x = x
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  | fold1' f xs _ = fold1 f xs
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fun sublist_idx eq xs ys =
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  let
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    fun sublist n xs ys =
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         if is_prefix eq xs ys then SOME n
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         else (case ys of [] => NONE
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               | (y::ys') => sublist (n+1) xs ys')
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  in sublist 0 xs ys end;
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fun is_sublist eq xs ys = is_some (sublist_idx eq xs ys);
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fun sorted_subset eq [] ys = true
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  | sorted_subset eq (x::xs) [] = false
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  | sorted_subset eq (x::xs) (y::ys) = if eq (x,y) then sorted_subset eq xs ys
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                                       else sorted_subset eq (x::xs) ys;
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type namespace_info =
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 {declinfo: (typ*string) Termtab.table, (* type, name of statespace *)
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  distinctthm: thm Symtab.table,
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  silent: bool
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 };
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structure NameSpaceArgs =
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struct
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  type T = namespace_info;
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  val empty = {declinfo = Termtab.empty, distinctthm = Symtab.empty, silent = false};
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  val extend = I;
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  fun merge pp ({declinfo=declinfo1, distinctthm=distinctthm1, silent=silent1},
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                {declinfo=declinfo2, distinctthm=distinctthm2, silent=silent2}) =
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                {declinfo = Termtab.merge (K true) (declinfo1, declinfo2),
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                 distinctthm = Symtab.merge (K true) (distinctthm1, distinctthm2),
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                 silent = silent1 andalso silent2}
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end;
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structure NameSpaceData = GenericDataFun(NameSpaceArgs);
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fun make_namespace_data declinfo distinctthm silent =
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     {declinfo=declinfo,distinctthm=distinctthm,silent=silent};
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fun delete_declinfo n ctxt =
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  let val {declinfo,distinctthm,silent} = NameSpaceData.get ctxt;
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  in NameSpaceData.put
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       (make_namespace_data (Termtab.delete_safe n declinfo) distinctthm silent) ctxt
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  end;
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fun update_declinfo (n,v) ctxt =
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  let val {declinfo,distinctthm,silent} = NameSpaceData.get ctxt;
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  in NameSpaceData.put
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      (make_namespace_data (Termtab.update (n,v) declinfo) distinctthm silent) ctxt
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  end;
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fun set_silent silent ctxt =
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  let val {declinfo,distinctthm,...} = NameSpaceData.get ctxt;
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  in NameSpaceData.put
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      (make_namespace_data declinfo distinctthm silent) ctxt
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  end;
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val get_silent = #silent o NameSpaceData.get;
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fun prove_interpretation_in ctxt_tac (name, expr) thy =
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   thy
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   |> Locale.interpretation_in_locale I (name, expr)
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   |> Proof.global_terminal_proof
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         (Method.Basic (fn ctxt => Method.SIMPLE_METHOD (ctxt_tac ctxt),Position.none), NONE)
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   |> ProofContext.theory_of
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type statespace_info =
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 {args: (string * sort) list, (* type arguments *)
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  parents: (typ list * string * string option list) list,
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             (* type instantiation, state-space name, component renamings *)
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  components: (string * typ) list,
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  types: typ list (* range types of state space *)
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 };
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structure StateSpaceArgs =
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struct
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  val name = "HOL/StateSpace";
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  type T = statespace_info Symtab.table;
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  val empty = Symtab.empty;
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  val extend = I;
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  fun merge pp (nt1,nt2) = Symtab.merge (K true) (nt1, nt2);
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end;
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structure StateSpaceData = GenericDataFun(StateSpaceArgs);
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fun add_statespace name args parents components types ctxt =
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     StateSpaceData.put
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      (Symtab.update_new (name, {args=args,parents=parents,
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                                components=components,types=types}) (StateSpaceData.get ctxt))
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      ctxt;
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fun get_statespace ctxt name =
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      Symtab.lookup (StateSpaceData.get ctxt) name;
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fun lookupI eq xs n =
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  (case AList.lookup eq xs n of
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     SOME v => v
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   | NONE => n);
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fun mk_free ctxt name =
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  if Variable.is_fixed ctxt name orelse Variable.is_declared ctxt name
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  then
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    let val n' = lookupI (op =) (Variable.fixes_of ctxt) name
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    in SOME (Free (n',ProofContext.infer_type ctxt n')) end
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  else NONE
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fun get_dist_thm ctxt name = Symtab.lookup (#distinctthm (NameSpaceData.get ctxt)) name;
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fun get_comp ctxt name =
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     Option.mapPartial
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       (Termtab.lookup (#declinfo (NameSpaceData.get ctxt)))
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       (mk_free (Context.proof_of ctxt) name);
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(*** Tactics ***)
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fun neq_x_y ctxt x y =
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  (let
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    val dist_thm = the (get_dist_thm (Context.Proof ctxt) (#1 (dest_Free x)));
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    val ctree = cprop_of dist_thm |> Thm.dest_comb |> #2 |> Thm.dest_comb |> #2;
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    val tree = term_of ctree;
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    val x_path = the (DistinctTreeProver.find_tree x tree);
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    val y_path = the (DistinctTreeProver.find_tree y tree);
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    val thm = DistinctTreeProver.distinctTreeProver dist_thm x_path y_path;
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  in SOME thm
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  end handle Option => NONE)
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fun distinctTree_tac ctxt
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      (Const ("Trueprop",_) $
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        (Const ("Not", _) $ (Const ("op =", _) $ (x as Free _)$ (y as Free _))), i) =
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  (case (neq_x_y ctxt x y) of
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     SOME neq => rtac neq i
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   | NONE => no_tac)
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  | distinctTree_tac _ _ = no_tac;
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val distinctNameSolver = mk_solver' "distinctNameSolver"
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     (fn ss => case #context (#1 (rep_ss ss)) of
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                 SOME ctxt => SUBGOAL (distinctTree_tac ctxt)
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                | NONE => fn i => no_tac)
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val distinct_simproc =
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  Simplifier.simproc @{theory HOL} "StateSpace.distinct_simproc" ["x = y"]
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    (fn thy => fn ss => (fn (Const ("op =",_)$(x as Free _)$(y as Free _)) =>
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        (case #context (#1 (rep_ss ss)) of
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          SOME ctxt => Option.map (fn neq => DistinctTreeProver.neq_to_eq_False OF [neq])
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                       (neq_x_y ctxt x y)
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        | NONE => NONE)
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      | _ => NONE))
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local
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  val ss = HOL_basic_ss
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in
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fun interprete_parent name dist_thm_name parent_expr thy =
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  let
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    fun solve_tac ctxt (_,i) st =
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      let
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        val distinct_thm = ProofContext.get_thm ctxt dist_thm_name;
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        val goal = List.nth (cprems_of st,i-1);
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        val rule = DistinctTreeProver.distinct_implProver distinct_thm goal;
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      in EVERY [rtac rule i] st
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      end
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    fun tac ctxt = EVERY [Locale.intro_locales_tac true ctxt [],
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                          ALLGOALS (SUBGOAL (solve_tac ctxt))]
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  in thy
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     |> prove_interpretation_in tac (name,parent_expr)
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  end;
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end;
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fun namespace_definition name nameT parent_expr parent_comps new_comps thy =
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  let
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    val all_comps = parent_comps @ new_comps;
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    val vars = Locale.Merge
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                (map (fn n => Locale.Rename (Locale.Locale (Locale.intern thy "var")
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                                            ,[SOME (n,NONE)])) all_comps);
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    val full_name = Sign.full_bname thy name;
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    val dist_thm_name = distinct_compsN;
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    val dist_thm_full_name =
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        let val prefix = fold1' (fn name => fn prfx => prfx ^ "_" ^ name) all_comps "";
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        in if prefix = "" then dist_thm_name else prefix ^ "." ^ dist_thm_name end;
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    fun comps_of_thm thm = prop_of thm
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             |> (fn (_$(_$t)) => DistinctTreeProver.dest_tree t) |> map (fst o dest_Free);
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    fun type_attr phi (ctxt,thm) =
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      (case ctxt of Context.Theory _ => (ctxt,thm)
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       | _ =>
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        let
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          val {declinfo,distinctthm=tt,silent} = (NameSpaceData.get ctxt);
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	  val all_names = comps_of_thm thm;
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          fun upd name tt =
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               (case (Symtab.lookup tt name) of
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                 SOME dthm => if sorted_subset (op =) (comps_of_thm dthm) all_names
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                              then Symtab.update (name,thm) tt else tt
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                | NONE => Symtab.update (name,thm) tt)
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          val tt' = tt |> fold upd all_names;
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          val activate_simproc =
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              Output.no_warnings
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               (Simplifier.map_ss (fn ss => ss addsimprocs [distinct_simproc]));
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          val ctxt' =
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              ctxt
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              |> NameSpaceData.put {declinfo=declinfo,distinctthm=tt',silent=silent}
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              |> activate_simproc
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        in (ctxt',thm)
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        end)
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    val attr = Attrib.internal type_attr;
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    val assumes = Element.Assumes [((Binding.name dist_thm_name,[attr]),
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                    [(HOLogic.Trueprop $
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                      (Const ("DistinctTreeProver.all_distinct",
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                                 Type ("DistinctTreeProver.tree",[nameT]) --> HOLogic.boolT) $
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                      DistinctTreeProver.mk_tree (fn n => Free (n,nameT)) nameT
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                                (sort fast_string_ord all_comps)),
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                      ([]))])];
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  in thy
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     |> Locale.add_locale "" name vars [assumes]
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     ||> ProofContext.theory_of
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     ||> interprete_parent name dist_thm_full_name parent_expr
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     |> #2
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  end;
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fun encode_dot x = if x= #"." then #"_" else x;
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fun encode_type (TFree (s, _)) = s
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  | encode_type (TVar ((s,i),_)) = "?" ^ s ^ string_of_int i
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  | encode_type (Type (n,Ts)) =
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      let
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        val Ts' = fold1' (fn x => fn y => x ^ "_" ^ y) (map encode_type Ts) "";
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        val n' = String.map encode_dot n;
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      in if Ts'="" then n' else Ts' ^ "_" ^ n' end;
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fun project_name T = projectN ^"_"^encode_type T;
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fun inject_name T = injectN ^"_"^encode_type T;
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fun project_free T pT V = Free (project_name T, V --> pT);
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fun inject_free T pT V = Free (inject_name T, pT --> V);
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fun get_name n = getN ^ "_" ^ n;
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fun put_name n = putN ^ "_" ^ n;
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fun get_const n T nT V = Free (get_name n, (nT --> V) --> T);
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fun put_const n T nT V = Free (put_name n, T --> (nT --> V) --> (nT --> V));
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   340
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   341
fun lookup_const T nT V = Const ("StateFun.lookup",(V --> T) --> nT --> (nT --> V) --> T);
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   342
fun update_const T nT V =
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   343
 Const ("StateFun.update",
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   344
          (V --> T) --> (T --> V) --> nT --> (T --> T) --> (nT --> V) --> (nT --> V));
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   345
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   346
fun K_const T = Const ("StateFun.K_statefun",T --> T --> T);
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   347
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   348
val no_syn = #3 (Syntax.no_syn ((),()));
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   349
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   350
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   351
fun add_declaration name decl thy =
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   352
  thy
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   353
  |> TheoryTarget.init name
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   354
  |> (fn lthy => LocalTheory.declaration (decl lthy) lthy)
28394
b9c8e3a12a98 LocalTheory.exit_global;
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   355
  |> LocalTheory.exit_global;
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   356
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   357
fun parent_components thy (Ts, pname, renaming) =
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   358
  let
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   359
    val ctxt = Context.Theory thy;
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   360
    fun rename [] xs = xs
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   361
      | rename (NONE::rs)  (x::xs) = x::rename rs xs
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   362
      | rename (SOME r::rs) ((x,T)::xs) = (r,T)::rename rs xs;
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   363
    val {args,parents,components,...} =
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   364
	      the (Symtab.lookup (StateSpaceData.get ctxt) pname);
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parents:
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   365
    val inst = map fst args ~~ Ts;
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   366
    val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst);
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   367
    val parent_comps =
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   368
     List.concat (map (fn (Ts',n,rs) => parent_components thy (map subst Ts',n,rs)) parents);
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   369
    val all_comps = rename renaming (parent_comps @ map (apsnd subst) components);
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   370
  in all_comps end;
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   371
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   372
fun take_upto i xs = List.take(xs,i) handle Subscript => xs;
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   373
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   374
fun statespace_definition state_type args name parents parent_comps components thy =
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   375
  let
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   376
    val full_name = Sign.full_bname thy name;
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   377
    val all_comps = parent_comps @ components;
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   378
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   379
    val components' = map (fn (n,T) => (n,(T,full_name))) components;
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diff changeset
   380
    val all_comps' = map (fn (n,T) => (n,(T,full_name))) all_comps;
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   381
    fun parent_expr (_,n,rs) = Locale.Rename
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   382
                                (Locale.Locale (suffix namespaceN n),
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   383
                                 map (Option.map (fn s => (s,NONE))) rs);
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parents:
diff changeset
   384
    val parents_expr = Locale.Merge (fold (fn p => fn es => parent_expr p::es) parents []);
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   385
4a9c25bffc9b added Statespace library
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parents:
diff changeset
   386
    fun distinct_types Ts =
27276
ea82bd1e3c20 tuned signature;
wenzelm
parents: 26496
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   387
      let val tab = fold (fn T => fn tab => Typtab.update (T,()) tab) Ts Typtab.empty;
ea82bd1e3c20 tuned signature;
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parents: 26496
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   388
      in map fst (Typtab.dest tab) end;
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   389
4a9c25bffc9b added Statespace library
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   390
    val Ts = distinct_types (map snd all_comps);
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parents:
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   391
    val arg_names = map fst args;
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parents:
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   392
    val valueN = Name.variant arg_names "'value";
4a9c25bffc9b added Statespace library
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parents:
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   393
    val nameN = Name.variant (valueN::arg_names) "'name";
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parents:
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   394
    val valueT = TFree (valueN, Sign.defaultS thy);
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parents:
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   395
    val nameT = TFree (nameN, Sign.defaultS thy);
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parents:
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   396
    val stateT = nameT --> valueT;
4a9c25bffc9b added Statespace library
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parents:
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   397
    fun projectT T = valueT --> T;
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parents: 26343
diff changeset
   398
    fun injectT T = T --> valueT;
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parents:
diff changeset
   399
4a9c25bffc9b added Statespace library
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   400
    val locs = map (fn T => Locale.Rename (Locale.Locale project_injectL,
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schirmer
parents:
diff changeset
   401
                             [SOME (project_name T,NONE),
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   402
                              SOME (inject_name T ,NONE)])) Ts;
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   403
    val constrains = List.concat
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   404
         (map (fn T => [(project_name T,projectT T),(inject_name T,injectT T)]) Ts);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   405
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9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   406
    fun interprete_parent_valuetypes (Ts, pname, _) =
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4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   407
      let
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9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   408
        val {args,types,...} =
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   409
             the (Symtab.lookup (StateSpaceData.get (Context.Theory thy)) pname);
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schirmer
parents:
diff changeset
   410
        val inst = map fst args ~~ Ts;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   411
        val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst);
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schirmer
parents:
diff changeset
   412
        val pars = List.concat (map ((fn T => [project_name T,inject_name T]) o subst) types);
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schirmer
parents:
diff changeset
   413
        val expr = Locale.Rename (Locale.Locale (suffix valuetypesN name),
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schirmer
parents:
diff changeset
   414
                                  map (fn n => SOME (n,NONE)) pars);
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   415
      in prove_interpretation_in (K all_tac)
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   416
           (suffix valuetypesN name, expr) end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   417
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   418
    fun interprete_parent (_, pname, rs) =
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parents:
diff changeset
   419
      let
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   420
        val expr = Locale.Rename (Locale.Locale pname, map (Option.map (fn n => (n,NONE))) rs)
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   421
      in prove_interpretation_in
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   422
           (fn ctxt => Locale.intro_locales_tac false ctxt [])
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4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   423
           (full_name, expr) end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   424
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   425
    fun declare_declinfo updates lthy phi ctxt =
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schirmer
parents:
diff changeset
   426
      let
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   427
        fun upd_prf ctxt =
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4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   428
          let
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   429
            fun upd (n,v) =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   430
              let
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   431
                val nT = ProofContext.infer_type (LocalTheory.target_of lthy) n
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   432
              in Context.proof_map
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   433
                  (update_declinfo (Morphism.term phi (Free (n,nT)),v))
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   434
              end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   435
          in ctxt |> fold upd updates end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   436
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   437
      in Context.mapping I upd_prf ctxt end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   438
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   439
   fun string_of_typ T =
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   440
      setmp show_sorts true
25696
c2058af6d9bc PrintMode.setmp (avoid direct access to print_mode ref);
wenzelm
parents: 25408
diff changeset
   441
       (PrintMode.setmp [] (Syntax.string_of_typ (ProofContext.init thy))) T;
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   442
   val fixestate = (case state_type of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   443
         NONE => []
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   444
       | SOME s =>
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   445
          let
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28820
diff changeset
   446
	    val fx = Element.Fixes [(Binding.name s,SOME (string_of_typ stateT),NoSyn)];
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   447
            val cs = Element.Constrains
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   448
                       (map (fn (n,T) =>  (n,string_of_typ T))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   449
                         ((map (fn (n,_) => (n,nameT)) all_comps) @
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   450
                          constrains))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   451
          in [fx,cs] end
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   452
       )
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   453
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   454
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   455
  in thy
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   456
     |> namespace_definition
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   457
           (suffix namespaceN name) nameT parents_expr
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   458
           (map fst parent_comps) (map fst components)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   459
     |> Context.theory_map (add_statespace full_name args parents components [])
28820
95dd21624c6c adjusted locale signature to *_cmd convention
haftmann
parents: 28394
diff changeset
   460
     |> Locale.add_locale "" (suffix valuetypesN name) (Locale.Merge locs)
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   461
            [Element.Constrains constrains]
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   462
     |> ProofContext.theory_of o #2
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   463
     |> fold interprete_parent_valuetypes parents
28820
95dd21624c6c adjusted locale signature to *_cmd convention
haftmann
parents: 28394
diff changeset
   464
     |> Locale.add_locale_cmd name
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   465
              (Locale.Merge [Locale.Locale (suffix namespaceN full_name)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   466
                            ,Locale.Locale (suffix valuetypesN full_name)]) fixestate
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   467
     |> ProofContext.theory_of o #2
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   468
     |> fold interprete_parent parents
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   469
     |> add_declaration (SOME full_name) (declare_declinfo components')
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   470
  end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   471
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   472
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   473
(* prepare arguments *)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   474
27283
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   475
fun read_raw_parent ctxt raw_T =
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   476
  (case ProofContext.read_typ_abbrev ctxt raw_T of
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   477
    Type (name, Ts) => (Ts, name)
27283
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   478
  | T => error ("Bad parent statespace specification: " ^ Syntax.string_of_typ ctxt T));
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   479
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   480
fun gen_define_statespace prep_typ state_space args name parents comps thy =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   481
  let (* - args distinct
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   482
         - only args may occur in comps and parent-instantiations
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   483
         - number of insts must match parent args
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   484
         - no duplicate renamings
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   485
         - renaming should occur in namespace
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   486
      *)
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   487
    val _ = writeln ("Defining statespace " ^ quote name ^ " ...");
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   488
27283
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   489
    val ctxt = ProofContext.init thy;
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   490
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   491
    fun add_parent (Ts,pname,rs) env =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   492
      let
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28820
diff changeset
   493
        val full_pname = Sign.full_bname thy pname;
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   494
        val {args,components,...} =
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   495
              (case get_statespace (Context.Theory thy) full_pname of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   496
                SOME r => r
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   497
               | NONE => error ("Undefined statespace " ^ quote pname));
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   498
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   499
27283
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   500
        val (Ts',env') = fold_map (prep_typ ctxt) Ts env
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   501
            handle ERROR msg => cat_error msg
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   502
                    ("The error(s) above occured in parent statespace specification "
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   503
                    ^ quote pname);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   504
        val err_insts = if length args <> length Ts' then
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   505
            ["number of type instantiation(s) does not match arguments of parent statespace "
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   506
              ^ quote pname]
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   507
            else [];
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   508
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   509
        val rnames = map fst rs
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   510
        val err_dup_renamings = (case duplicates (op =) rnames of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   511
             [] => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   512
            | dups => ["Duplicate renaming(s) for " ^ commas dups])
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   513
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   514
        val cnames = map fst components;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   515
        val err_rename_unknowns = (case (filter (fn n => not (n mem cnames))) rnames of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   516
              [] => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   517
             | rs => ["Unknown components " ^ commas rs]);
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   518
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   519
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   520
        val rs' = map (AList.lookup (op =) rs o fst) components;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   521
        val errs =err_insts @ err_dup_renamings @ err_rename_unknowns
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   522
      in if null errs then ((Ts',full_pname,rs'),env')
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   523
         else error (cat_lines (errs @ ["in parent statespace " ^ quote pname]))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   524
      end;
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   525
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   526
    val (parents',env) = fold_map add_parent parents [];
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   527
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   528
    val err_dup_args =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   529
         (case duplicates (op =) args of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   530
            [] => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   531
          | dups => ["Duplicate type argument(s) " ^ commas dups]);
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   532
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   533
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   534
    val err_dup_components =
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   535
         (case duplicates (op =) (map fst comps) of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   536
           [] => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   537
          | dups => ["Duplicate state-space components " ^ commas dups]);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   538
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   539
    fun prep_comp (n,T) env =
27283
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   540
      let val (T', env') = prep_typ ctxt T env handle ERROR msg =>
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   541
       cat_error msg ("The error(s) above occured in component " ^ quote n)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   542
      in ((n,T'), env') end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   543
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   544
    val (comps',env') = fold_map prep_comp comps env;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   545
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   546
    val err_extra_frees =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   547
      (case subtract (op =) args (map fst env') of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   548
        [] => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   549
      | extras => ["Extra free type variable(s) " ^ commas extras]);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   550
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   551
    val defaultS = Sign.defaultS thy;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   552
    val args' = map (fn x => (x, AList.lookup (op =) env x |> the_default defaultS)) args;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   553
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   554
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   555
    fun fst_eq ((x:string,_),(y,_)) = x = y;
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   556
    fun snd_eq ((_,t:typ),(_,u)) = t = u;
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   557
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   558
    val raw_parent_comps = (List.concat (map (parent_components thy) parents'));
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   559
    fun check_type (n,T) =
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   560
          (case distinct (snd_eq) (filter (curry fst_eq (n,T)) raw_parent_comps) of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   561
             []  => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   562
           | [_] => []
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   563
           | rs  => ["Different types for component " ^ n ^": " ^ commas
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   564
                       (map (Pretty.string_of o Display.pretty_ctyp o ctyp_of thy o snd) rs)])
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   565
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   566
    val err_dup_types = List.concat (map check_type (duplicates fst_eq raw_parent_comps))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   567
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   568
    val parent_comps = distinct (fst_eq) raw_parent_comps;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   569
    val all_comps = parent_comps @ comps';
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   570
    val err_comp_in_parent = (case duplicates (op =) (map fst all_comps) of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   571
               [] => []
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   572
             | xs => ["Components already defined in parents: " ^ commas xs]);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   573
    val errs = err_dup_args @ err_dup_components @ err_extra_frees @
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   574
               err_dup_types @ err_comp_in_parent;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   575
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   576
  in if null errs
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   577
     then thy |> statespace_definition state_space args' name parents' parent_comps comps'
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   578
     else error (cat_lines errs)
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   579
  end
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   580
  handle ERROR msg => cat_error msg ("Failed to define statespace " ^ quote name);
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   581
27283
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   582
val define_statespace = gen_define_statespace RecordPackage.read_typ NONE;
ebd0291ea79c tuned signature;
wenzelm
parents: 27276
diff changeset
   583
val define_statespace_i = gen_define_statespace RecordPackage.cert_typ;
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   584
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   585
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   586
(*** parse/print - translations ***)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   587
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   588
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   589
local
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   590
fun map_get_comp f ctxt (Free (name,_)) =
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   591
      (case (get_comp ctxt name) of
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   592
        SOME (T,_) => f T T dummyT
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   593
      | NONE => (Syntax.free "arbitrary"(*; error "context not ready"*)))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   594
  | map_get_comp _ _ _ = Syntax.free "arbitrary";
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   595
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   596
val get_comp_projection = map_get_comp project_free;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   597
val get_comp_injection  = map_get_comp inject_free;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   598
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   599
fun name_of (Free (n,_)) = n;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   600
in
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   601
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   602
fun gen_lookup_tr ctxt s n =
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   603
      (case get_comp (Context.Proof ctxt) n of
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   604
        SOME (T,_) =>
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   605
           Syntax.const "StateFun.lookup"$Syntax.free (project_name T)$Syntax.free n$s
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   606
       | NONE =>
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   607
           if get_silent (Context.Proof ctxt)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   608
	   then Syntax.const "StateFun.lookup"$Syntax.const "arbitrary"$Syntax.free n$s
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   609
           else raise TERM ("StateSpace.gen_lookup_tr: component " ^ n ^ " not defined",[]));
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   610
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   611
fun lookup_tr ctxt [s,Free (n,_)] = gen_lookup_tr ctxt s n;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   612
fun lookup_swap_tr ctxt [Free (n,_),s] = gen_lookup_tr ctxt s n;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   613
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   614
fun lookup_tr' ctxt [_$Free (prj,_),n as (_$Free (name,_)),s] =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   615
     ( case get_comp (Context.Proof ctxt) name of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   616
         SOME (T,_) =>  if prj=project_name T then
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   617
                           Syntax.const "_statespace_lookup" $ s $ n
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   618
                        else raise Match
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   619
      | NONE => raise Match)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   620
  | lookup_tr' _ ts = raise Match;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   621
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   622
fun gen_update_tr id ctxt n v s =
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   623
  let
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   624
    fun pname T = if id then "Fun.id" else project_name T
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   625
    fun iname T = if id then "Fun.id" else inject_name T
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   626
   in
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   627
     (case get_comp (Context.Proof ctxt) n of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   628
       SOME (T,_) => Syntax.const "StateFun.update"$
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   629
                   Syntax.free (pname T)$Syntax.free (iname T)$
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   630
                   Syntax.free n$(Syntax.const KN $ v)$s
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   631
      | NONE =>
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   632
         if get_silent (Context.Proof ctxt)
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   633
         then Syntax.const "StateFun.update"$
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   634
                   Syntax.const "arbitrary"$Syntax.const "arbitrary"$
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   635
                   Syntax.free n$(Syntax.const KN $ v)$s
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   636
         else raise TERM ("StateSpace.gen_update_tr: component " ^ n ^ " not defined",[]))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   637
   end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   638
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   639
fun update_tr ctxt [s,Free (n,_),v] = gen_update_tr false ctxt n v s;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   640
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   641
fun update_tr' ctxt [_$Free (prj,_),_$Free (inj,_),n as (_$Free (name,_)),(Const (k,_)$v),s] =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   642
     if NameSpace.base k = NameSpace.base KN then
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   643
        (case get_comp (Context.Proof ctxt) name of
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   644
          SOME (T,_) => if inj=inject_name T andalso prj=project_name T then
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   645
                           Syntax.const "_statespace_update" $ s $ n $ v
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   646
                        else raise Match
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   647
         | NONE => raise Match)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   648
     else raise Match
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   649
  | update_tr' _ _ = raise Match;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   650
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   651
end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   652
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   653
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   654
(*** outer syntax *)
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   655
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   656
local structure P = OuterParse and K = OuterKeyword in
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   657
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   658
val type_insts =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   659
  P.typ >> single ||
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   660
  P.$$$ "(" |-- P.!!! (P.list1 P.typ --| P.$$$ ")")
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   661
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   662
val comp = P.name -- (P.$$$ "::" |-- P.!!! P.typ);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   663
fun plus1_unless test scan =
25999
f8bcd311d501 added ::: / @@@ scanner combinators;
wenzelm
parents: 25696
diff changeset
   664
  scan ::: Scan.repeat (P.$$$ "+" |-- Scan.unless test (P.!!! scan));
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   665
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   666
val mapsto = P.$$$ "=";
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   667
val rename = P.name -- (mapsto |-- P.name);
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   668
val renames =  Scan.optional (P.$$$ "[" |-- P.!!! (P.list1 rename --| P.$$$ "]")) [];
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   669
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   670
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   671
val parent = ((type_insts -- P.xname) || (P.xname >> pair [])) -- renames
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   672
             >> (fn ((insts,name),renames) => (insts,name,renames))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   673
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   674
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   675
val statespace_decl =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   676
   P.type_args -- P.name --
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   677
    (P.$$$ "=" |--
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   678
     ((Scan.repeat1 comp >> pair []) ||
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   679
      (plus1_unless comp parent --
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   680
        Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 comp)) [])))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   681
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   682
val statespace_command =
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   683
  OuterSyntax.command "statespace" "define state space" K.thy_decl
26478
9d1029ce0e13 eliminated quiete_mode ref (not really needed);
wenzelm
parents: 26343
diff changeset
   684
  (statespace_decl >> (fn ((args,name),(parents,comps)) =>
25171
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   685
                           Toplevel.theory (define_statespace args name parents comps)))
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   686
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   687
end;
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   688
4a9c25bffc9b added Statespace library
schirmer
parents:
diff changeset
   689
end;