author | haftmann |
Mon, 05 Jan 2009 15:55:04 +0100 | |
changeset 29360 | a5be60c3674e |
parent 29291 | d3cc5398bad5 |
child 29362 | f9ded2d789b9 |
permissions | -rw-r--r-- |
28308 | 1 |
(* Title: HOL/Statespace/state_space.ML |
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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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||
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val namespace_definition : |
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bstring -> |
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typ -> |
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parents:
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Expression.expression -> |
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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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||
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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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parents:
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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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||
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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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parents:
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|> Expression.sublocale_cmd 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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parents:
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fun add_locale name expr elems thy = |
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thy |
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parents:
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|> Expression.add_locale name name expr elems |
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|> (fn ((target, notes), ctxt) => TheoryTarget.begin target ctxt |> |
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fold (fn (kind, facts) => LocalTheory.notes kind facts #> snd) notes) |
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|> LocalTheory.exit; |
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parents:
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fun add_locale_cmd name expr elems thy = |
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parents:
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thy |
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|> Expression.add_locale_cmd name name expr elems |
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|> (fn ((target, notes), ctxt) => TheoryTarget.begin target ctxt |> |
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parents:
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fold (fn (kind, facts) => LocalTheory.notes kind facts #> snd) notes) |
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parents:
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|> LocalTheory.exit; |
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parents:
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diff
changeset
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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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||
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fun distinctTree_tac ctxt |
233 |
(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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||
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local |
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val ss = HOL_basic_ss |
256 |
in |
|
257 |
fun interprete_parent name dist_thm_name parent_expr thy = |
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let |
259 |
||
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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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266 |
end |
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fun tac ctxt = EVERY [Locale.intro_locales_tac true ctxt [], |
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ALLGOALS (SUBGOAL (solve_tac ctxt))] |
270 |
||
271 |
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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||
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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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parents:
29064
diff
changeset
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val vars = (map (fn n => (Binding.name n, NONE, NoSyn)) all_comps); |
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val full_name = Sign.full_bname thy name; |
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val dist_thm_name = distinct_compsN; |
283 |
||
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parents:
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284 |
val dist_thm_full_name = dist_thm_name; |
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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) = |
289 |
(case ctxt of Context.Theory _ => (ctxt,thm) |
|
290 |
| _ => |
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let |
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val {declinfo,distinctthm=tt,silent} = (NameSpaceData.get ctxt); |
293 |
val all_names = comps_of_thm thm; |
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294 |
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 |
|
297 |
then Symtab.update (name,thm) tt else tt |
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298 |
| NONE => Symtab.update (name,thm) tt) |
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299 |
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300 |
val tt' = tt |> fold upd all_names; |
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301 |
val activate_simproc = |
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Output.no_warnings |
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303 |
(Simplifier.map_ss (fn ss => ss addsimprocs [distinct_simproc])); |
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val ctxt' = |
26478 | 305 |
ctxt |
25171 | 306 |
|> NameSpaceData.put {declinfo=declinfo,distinctthm=tt',silent=silent} |
307 |
|> activate_simproc |
|
26478 | 308 |
in (ctxt',thm) |
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end) |
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val attr = Attrib.internal type_attr; |
312 |
||
28965 | 313 |
val assumes = Element.Assumes [((Binding.name dist_thm_name,[attr]), |
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[(HOLogic.Trueprop $ |
315 |
(Const ("DistinctTreeProver.all_distinct", |
|
316 |
Type ("DistinctTreeProver.tree",[nameT]) --> HOLogic.boolT) $ |
|
26478 | 317 |
DistinctTreeProver.mk_tree (fn n => Free (n,nameT)) nameT |
25171 | 318 |
(sort fast_string_ord all_comps)), |
319 |
([]))])]; |
|
26478 | 320 |
in thy |
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parents:
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|
321 |
|> add_locale name ([],vars) [assumes] |
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parents:
29064
diff
changeset
|
322 |
|> ProofContext.theory_of |
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parents:
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changeset
|
323 |
|> interprete_parent name dist_thm_full_name parent_expr |
25171 | 324 |
end; |
325 |
||
326 |
fun encode_dot x = if x= #"." then #"_" else x; |
|
327 |
||
328 |
fun encode_type (TFree (s, _)) = s |
|
329 |
| encode_type (TVar ((s,i),_)) = "?" ^ s ^ string_of_int i |
|
26478 | 330 |
| encode_type (Type (n,Ts)) = |
25171 | 331 |
let |
332 |
val Ts' = fold1' (fn x => fn y => x ^ "_" ^ y) (map encode_type Ts) ""; |
|
333 |
val n' = String.map encode_dot n; |
|
334 |
in if Ts'="" then n' else Ts' ^ "_" ^ n' end; |
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335 |
||
336 |
fun project_name T = projectN ^"_"^encode_type T; |
|
337 |
fun inject_name T = injectN ^"_"^encode_type T; |
|
338 |
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339 |
fun project_free T pT V = Free (project_name T, V --> pT); |
|
340 |
fun inject_free T pT V = Free (inject_name T, pT --> V); |
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341 |
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342 |
fun get_name n = getN ^ "_" ^ n; |
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343 |
fun put_name n = putN ^ "_" ^ n; |
|
344 |
fun get_const n T nT V = Free (get_name n, (nT --> V) --> T); |
|
345 |
fun put_const n T nT V = Free (put_name n, T --> (nT --> V) --> (nT --> V)); |
|
346 |
||
347 |
fun lookup_const T nT V = Const ("StateFun.lookup",(V --> T) --> nT --> (nT --> V) --> T); |
|
26478 | 348 |
fun update_const T nT V = |
25171 | 349 |
Const ("StateFun.update", |
350 |
(V --> T) --> (T --> V) --> nT --> (T --> T) --> (nT --> V) --> (nT --> V)); |
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351 |
||
352 |
fun K_const T = Const ("StateFun.K_statefun",T --> T --> T); |
|
353 |
||
354 |
val no_syn = #3 (Syntax.no_syn ((),())); |
|
355 |
||
356 |
||
357 |
fun add_declaration name decl thy = |
|
358 |
thy |
|
359 |
|> TheoryTarget.init name |
|
360 |
|> (fn lthy => LocalTheory.declaration (decl lthy) lthy) |
|
28394 | 361 |
|> LocalTheory.exit_global; |
25171 | 362 |
|
363 |
fun parent_components thy (Ts, pname, renaming) = |
|
364 |
let |
|
365 |
val ctxt = Context.Theory thy; |
|
366 |
fun rename [] xs = xs |
|
367 |
| rename (NONE::rs) (x::xs) = x::rename rs xs |
|
368 |
| rename (SOME r::rs) ((x,T)::xs) = (r,T)::rename rs xs; |
|
26478 | 369 |
val {args,parents,components,...} = |
25171 | 370 |
the (Symtab.lookup (StateSpaceData.get ctxt) pname); |
371 |
val inst = map fst args ~~ Ts; |
|
372 |
val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst); |
|
26478 | 373 |
val parent_comps = |
25171 | 374 |
List.concat (map (fn (Ts',n,rs) => parent_components thy (map subst Ts',n,rs)) parents); |
375 |
val all_comps = rename renaming (parent_comps @ map (apsnd subst) components); |
|
376 |
in all_comps end; |
|
377 |
||
378 |
fun take_upto i xs = List.take(xs,i) handle Subscript => xs; |
|
379 |
||
380 |
fun statespace_definition state_type args name parents parent_comps components thy = |
|
26478 | 381 |
let |
28965 | 382 |
val full_name = Sign.full_bname thy name; |
25171 | 383 |
val all_comps = parent_comps @ components; |
384 |
||
385 |
val components' = map (fn (n,T) => (n,(T,full_name))) components; |
|
26478 | 386 |
val all_comps' = map (fn (n,T) => (n,(T,full_name))) all_comps; |
25171 | 387 |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
388 |
fun parent_expr (_,n,rs) = (suffix namespaceN n,((n,false),Expression.Positional rs)); |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
389 |
(* FIXME: a more specific renaming-prefix (including parameter names) may be nicer *) |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
390 |
val parents_expr = map parent_expr parents; |
25171 | 391 |
fun distinct_types Ts = |
27276 | 392 |
let val tab = fold (fn T => fn tab => Typtab.update (T,()) tab) Ts Typtab.empty; |
393 |
in map fst (Typtab.dest tab) end; |
|
25171 | 394 |
|
395 |
val Ts = distinct_types (map snd all_comps); |
|
396 |
val arg_names = map fst args; |
|
397 |
val valueN = Name.variant arg_names "'value"; |
|
398 |
val nameN = Name.variant (valueN::arg_names) "'name"; |
|
399 |
val valueT = TFree (valueN, Sign.defaultS thy); |
|
400 |
val nameT = TFree (nameN, Sign.defaultS thy); |
|
401 |
val stateT = nameT --> valueT; |
|
402 |
fun projectT T = valueT --> T; |
|
26478 | 403 |
fun injectT T = T --> valueT; |
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
404 |
val locinsts = map (fn T => (project_injectL, |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
405 |
(("",false),Expression.Positional |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
406 |
[SOME (Free (project_name T,projectT T)), |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
407 |
SOME (Free ((inject_name T,injectT T)))]))) Ts; |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
408 |
val locs = flat (map (fn T => [(Binding.name (project_name T),NONE,NoSyn), |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
409 |
(Binding.name (inject_name T),NONE,NoSyn)]) Ts); |
26478 | 410 |
val constrains = List.concat |
25171 | 411 |
(map (fn T => [(project_name T,projectT T),(inject_name T,injectT T)]) Ts); |
412 |
||
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
413 |
fun interprete_parent_valuetypes (Ts, pname, _) thy = |
25171 | 414 |
let |
26478 | 415 |
val {args,types,...} = |
25171 | 416 |
the (Symtab.lookup (StateSpaceData.get (Context.Theory thy)) pname); |
417 |
val inst = map fst args ~~ Ts; |
|
418 |
val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst); |
|
419 |
val pars = List.concat (map ((fn T => [project_name T,inject_name T]) o subst) types); |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
420 |
|
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
421 |
val expr = ([(suffix valuetypesN name, |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
422 |
(("",false),Expression.Positional (map SOME pars)))],[]); |
29291 | 423 |
in |
424 |
prove_interpretation_in (ALLGOALS o solve_tac o Assumption.prems_of) |
|
425 |
(suffix valuetypesN name, expr) thy |
|
426 |
end; |
|
25171 | 427 |
|
428 |
fun interprete_parent (_, pname, rs) = |
|
429 |
let |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
430 |
val expr = ([(pname, (("",false), Expression.Positional rs))],[]) |
26478 | 431 |
in prove_interpretation_in |
29360 | 432 |
(fn ctxt => Locale.intro_locales_tac false ctxt []) |
25171 | 433 |
(full_name, expr) end; |
434 |
||
435 |
fun declare_declinfo updates lthy phi ctxt = |
|
436 |
let |
|
26478 | 437 |
fun upd_prf ctxt = |
25171 | 438 |
let |
439 |
fun upd (n,v) = |
|
440 |
let |
|
441 |
val nT = ProofContext.infer_type (LocalTheory.target_of lthy) n |
|
26478 | 442 |
in Context.proof_map |
443 |
(update_declinfo (Morphism.term phi (Free (n,nT)),v)) |
|
25171 | 444 |
end; |
445 |
in ctxt |> fold upd updates end; |
|
446 |
||
447 |
in Context.mapping I upd_prf ctxt end; |
|
448 |
||
26478 | 449 |
fun string_of_typ T = |
450 |
setmp show_sorts true |
|
25696
c2058af6d9bc
PrintMode.setmp (avoid direct access to print_mode ref);
wenzelm
parents:
25408
diff
changeset
|
451 |
(PrintMode.setmp [] (Syntax.string_of_typ (ProofContext.init thy))) T; |
25171 | 452 |
val fixestate = (case state_type of |
453 |
NONE => [] |
|
26478 | 454 |
| SOME s => |
455 |
let |
|
28965 | 456 |
val fx = Element.Fixes [(Binding.name s,SOME (string_of_typ stateT),NoSyn)]; |
26478 | 457 |
val cs = Element.Constrains |
25171 | 458 |
(map (fn (n,T) => (n,string_of_typ T)) |
459 |
((map (fn (n,_) => (n,nameT)) all_comps) @ |
|
460 |
constrains)) |
|
461 |
in [fx,cs] end |
|
462 |
) |
|
463 |
||
26478 | 464 |
|
465 |
in thy |
|
466 |
|> namespace_definition |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
467 |
(suffix namespaceN name) nameT (parents_expr,[]) |
25171 | 468 |
(map fst parent_comps) (map fst components) |
469 |
|> Context.theory_map (add_statespace full_name args parents components []) |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
470 |
|> add_locale (suffix valuetypesN name) (locinsts,locs) [] |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
471 |
|> ProofContext.theory_of |
26478 | 472 |
|> fold interprete_parent_valuetypes parents |
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
473 |
|> add_locale_cmd name |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
474 |
([(suffix namespaceN full_name ,(("",false),Expression.Named [])), |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
475 |
(suffix valuetypesN full_name,(("",false),Expression.Named []))],[]) fixestate |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
476 |
|> ProofContext.theory_of |
25171 | 477 |
|> fold interprete_parent parents |
478 |
|> add_declaration (SOME full_name) (declare_declinfo components') |
|
479 |
end; |
|
480 |
||
481 |
||
482 |
(* prepare arguments *) |
|
483 |
||
27283 | 484 |
fun read_raw_parent ctxt raw_T = |
485 |
(case ProofContext.read_typ_abbrev ctxt raw_T of |
|
25171 | 486 |
Type (name, Ts) => (Ts, name) |
27283 | 487 |
| T => error ("Bad parent statespace specification: " ^ Syntax.string_of_typ ctxt T)); |
25171 | 488 |
|
489 |
fun gen_define_statespace prep_typ state_space args name parents comps thy = |
|
490 |
let (* - args distinct |
|
491 |
- only args may occur in comps and parent-instantiations |
|
26478 | 492 |
- number of insts must match parent args |
25171 | 493 |
- no duplicate renamings |
494 |
- renaming should occur in namespace |
|
495 |
*) |
|
26478 | 496 |
val _ = writeln ("Defining statespace " ^ quote name ^ " ..."); |
25171 | 497 |
|
27283 | 498 |
val ctxt = ProofContext.init thy; |
499 |
||
25171 | 500 |
fun add_parent (Ts,pname,rs) env = |
501 |
let |
|
28965 | 502 |
val full_pname = Sign.full_bname thy pname; |
26478 | 503 |
val {args,components,...} = |
25171 | 504 |
(case get_statespace (Context.Theory thy) full_pname of |
505 |
SOME r => r |
|
506 |
| NONE => error ("Undefined statespace " ^ quote pname)); |
|
507 |
||
508 |
||
27283 | 509 |
val (Ts',env') = fold_map (prep_typ ctxt) Ts env |
26478 | 510 |
handle ERROR msg => cat_error msg |
511 |
("The error(s) above occured in parent statespace specification " |
|
25171 | 512 |
^ quote pname); |
513 |
val err_insts = if length args <> length Ts' then |
|
514 |
["number of type instantiation(s) does not match arguments of parent statespace " |
|
515 |
^ quote pname] |
|
516 |
else []; |
|
26478 | 517 |
|
25171 | 518 |
val rnames = map fst rs |
519 |
val err_dup_renamings = (case duplicates (op =) rnames of |
|
520 |
[] => [] |
|
521 |
| dups => ["Duplicate renaming(s) for " ^ commas dups]) |
|
522 |
||
523 |
val cnames = map fst components; |
|
524 |
val err_rename_unknowns = (case (filter (fn n => not (n mem cnames))) rnames of |
|
525 |
[] => [] |
|
526 |
| rs => ["Unknown components " ^ commas rs]); |
|
26478 | 527 |
|
25171 | 528 |
|
529 |
val rs' = map (AList.lookup (op =) rs o fst) components; |
|
530 |
val errs =err_insts @ err_dup_renamings @ err_rename_unknowns |
|
531 |
in if null errs then ((Ts',full_pname,rs'),env') |
|
532 |
else error (cat_lines (errs @ ["in parent statespace " ^ quote pname])) |
|
533 |
end; |
|
26478 | 534 |
|
25171 | 535 |
val (parents',env) = fold_map add_parent parents []; |
536 |
||
537 |
val err_dup_args = |
|
538 |
(case duplicates (op =) args of |
|
539 |
[] => [] |
|
540 |
| dups => ["Duplicate type argument(s) " ^ commas dups]); |
|
26478 | 541 |
|
25171 | 542 |
|
26478 | 543 |
val err_dup_components = |
25171 | 544 |
(case duplicates (op =) (map fst comps) of |
545 |
[] => [] |
|
546 |
| dups => ["Duplicate state-space components " ^ commas dups]); |
|
547 |
||
548 |
fun prep_comp (n,T) env = |
|
27283 | 549 |
let val (T', env') = prep_typ ctxt T env handle ERROR msg => |
25171 | 550 |
cat_error msg ("The error(s) above occured in component " ^ quote n) |
551 |
in ((n,T'), env') end; |
|
552 |
||
553 |
val (comps',env') = fold_map prep_comp comps env; |
|
554 |
||
555 |
val err_extra_frees = |
|
556 |
(case subtract (op =) args (map fst env') of |
|
557 |
[] => [] |
|
558 |
| extras => ["Extra free type variable(s) " ^ commas extras]); |
|
559 |
||
560 |
val defaultS = Sign.defaultS thy; |
|
561 |
val args' = map (fn x => (x, AList.lookup (op =) env x |> the_default defaultS)) args; |
|
562 |
||
563 |
||
564 |
fun fst_eq ((x:string,_),(y,_)) = x = y; |
|
26478 | 565 |
fun snd_eq ((_,t:typ),(_,u)) = t = u; |
25171 | 566 |
|
567 |
val raw_parent_comps = (List.concat (map (parent_components thy) parents')); |
|
26478 | 568 |
fun check_type (n,T) = |
25171 | 569 |
(case distinct (snd_eq) (filter (curry fst_eq (n,T)) raw_parent_comps) of |
570 |
[] => [] |
|
571 |
| [_] => [] |
|
26478 | 572 |
| rs => ["Different types for component " ^ n ^": " ^ commas |
25171 | 573 |
(map (Pretty.string_of o Display.pretty_ctyp o ctyp_of thy o snd) rs)]) |
26478 | 574 |
|
25171 | 575 |
val err_dup_types = List.concat (map check_type (duplicates fst_eq raw_parent_comps)) |
576 |
||
577 |
val parent_comps = distinct (fst_eq) raw_parent_comps; |
|
578 |
val all_comps = parent_comps @ comps'; |
|
579 |
val err_comp_in_parent = (case duplicates (op =) (map fst all_comps) of |
|
580 |
[] => [] |
|
581 |
| xs => ["Components already defined in parents: " ^ commas xs]); |
|
582 |
val errs = err_dup_args @ err_dup_components @ err_extra_frees @ |
|
583 |
err_dup_types @ err_comp_in_parent; |
|
26478 | 584 |
in if null errs |
25171 | 585 |
then thy |> statespace_definition state_space args' name parents' parent_comps comps' |
26478 | 586 |
else error (cat_lines errs) |
25171 | 587 |
end |
588 |
handle ERROR msg => cat_error msg ("Failed to define statespace " ^ quote name); |
|
26478 | 589 |
|
27283 | 590 |
val define_statespace = gen_define_statespace RecordPackage.read_typ NONE; |
591 |
val define_statespace_i = gen_define_statespace RecordPackage.cert_typ; |
|
26478 | 592 |
|
25171 | 593 |
|
594 |
(*** parse/print - translations ***) |
|
595 |
||
596 |
||
597 |
local |
|
26478 | 598 |
fun map_get_comp f ctxt (Free (name,_)) = |
599 |
(case (get_comp ctxt name) of |
|
600 |
SOME (T,_) => f T T dummyT |
|
25171 | 601 |
| NONE => (Syntax.free "arbitrary"(*; error "context not ready"*))) |
602 |
| map_get_comp _ _ _ = Syntax.free "arbitrary"; |
|
603 |
||
604 |
val get_comp_projection = map_get_comp project_free; |
|
605 |
val get_comp_injection = map_get_comp inject_free; |
|
606 |
||
607 |
fun name_of (Free (n,_)) = n; |
|
608 |
in |
|
609 |
||
26478 | 610 |
fun gen_lookup_tr ctxt s n = |
25171 | 611 |
(case get_comp (Context.Proof ctxt) n of |
26478 | 612 |
SOME (T,_) => |
25171 | 613 |
Syntax.const "StateFun.lookup"$Syntax.free (project_name T)$Syntax.free n$s |
26478 | 614 |
| NONE => |
25171 | 615 |
if get_silent (Context.Proof ctxt) |
616 |
then Syntax.const "StateFun.lookup"$Syntax.const "arbitrary"$Syntax.free n$s |
|
617 |
else raise TERM ("StateSpace.gen_lookup_tr: component " ^ n ^ " not defined",[])); |
|
618 |
||
619 |
fun lookup_tr ctxt [s,Free (n,_)] = gen_lookup_tr ctxt s n; |
|
620 |
fun lookup_swap_tr ctxt [Free (n,_),s] = gen_lookup_tr ctxt s n; |
|
621 |
||
622 |
fun lookup_tr' ctxt [_$Free (prj,_),n as (_$Free (name,_)),s] = |
|
623 |
( case get_comp (Context.Proof ctxt) name of |
|
624 |
SOME (T,_) => if prj=project_name T then |
|
26478 | 625 |
Syntax.const "_statespace_lookup" $ s $ n |
25171 | 626 |
else raise Match |
627 |
| NONE => raise Match) |
|
628 |
| lookup_tr' _ ts = raise Match; |
|
629 |
||
26478 | 630 |
fun gen_update_tr id ctxt n v s = |
25171 | 631 |
let |
632 |
fun pname T = if id then "Fun.id" else project_name T |
|
633 |
fun iname T = if id then "Fun.id" else inject_name T |
|
634 |
in |
|
635 |
(case get_comp (Context.Proof ctxt) n of |
|
636 |
SOME (T,_) => Syntax.const "StateFun.update"$ |
|
637 |
Syntax.free (pname T)$Syntax.free (iname T)$ |
|
638 |
Syntax.free n$(Syntax.const KN $ v)$s |
|
26478 | 639 |
| NONE => |
640 |
if get_silent (Context.Proof ctxt) |
|
25171 | 641 |
then Syntax.const "StateFun.update"$ |
642 |
Syntax.const "arbitrary"$Syntax.const "arbitrary"$ |
|
643 |
Syntax.free n$(Syntax.const KN $ v)$s |
|
644 |
else raise TERM ("StateSpace.gen_update_tr: component " ^ n ^ " not defined",[])) |
|
645 |
end; |
|
646 |
||
647 |
fun update_tr ctxt [s,Free (n,_),v] = gen_update_tr false ctxt n v s; |
|
648 |
||
649 |
fun update_tr' ctxt [_$Free (prj,_),_$Free (inj,_),n as (_$Free (name,_)),(Const (k,_)$v),s] = |
|
650 |
if NameSpace.base k = NameSpace.base KN then |
|
651 |
(case get_comp (Context.Proof ctxt) name of |
|
652 |
SOME (T,_) => if inj=inject_name T andalso prj=project_name T then |
|
26478 | 653 |
Syntax.const "_statespace_update" $ s $ n $ v |
25171 | 654 |
else raise Match |
655 |
| NONE => raise Match) |
|
656 |
else raise Match |
|
657 |
| update_tr' _ _ = raise Match; |
|
658 |
||
659 |
end; |
|
660 |
||
661 |
||
662 |
(*** outer syntax *) |
|
663 |
||
664 |
local structure P = OuterParse and K = OuterKeyword in |
|
665 |
||
666 |
val type_insts = |
|
667 |
P.typ >> single || |
|
26478 | 668 |
P.$$$ "(" |-- P.!!! (P.list1 P.typ --| P.$$$ ")") |
25171 | 669 |
|
670 |
val comp = P.name -- (P.$$$ "::" |-- P.!!! P.typ); |
|
671 |
fun plus1_unless test scan = |
|
25999 | 672 |
scan ::: Scan.repeat (P.$$$ "+" |-- Scan.unless test (P.!!! scan)); |
25171 | 673 |
|
674 |
val mapsto = P.$$$ "="; |
|
675 |
val rename = P.name -- (mapsto |-- P.name); |
|
676 |
val renames = Scan.optional (P.$$$ "[" |-- P.!!! (P.list1 rename --| P.$$$ "]")) []; |
|
677 |
||
678 |
||
679 |
val parent = ((type_insts -- P.xname) || (P.xname >> pair [])) -- renames |
|
680 |
>> (fn ((insts,name),renames) => (insts,name,renames)) |
|
681 |
||
682 |
||
683 |
val statespace_decl = |
|
684 |
P.type_args -- P.name -- |
|
26478 | 685 |
(P.$$$ "=" |-- |
25171 | 686 |
((Scan.repeat1 comp >> pair []) || |
687 |
(plus1_unless comp parent -- |
|
688 |
Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 comp)) []))) |
|
689 |
||
690 |
val statespace_command = |
|
691 |
OuterSyntax.command "statespace" "define state space" K.thy_decl |
|
26478 | 692 |
(statespace_decl >> (fn ((args,name),(parents,comps)) => |
25171 | 693 |
Toplevel.theory (define_statespace args name parents comps))) |
694 |
||
695 |
end; |
|
696 |
||
697 |
end; |