author | wenzelm |
Thu, 15 Apr 2010 15:39:50 +0200 | |
changeset 36149 | 5ca66e58dcfa |
parent 33671 | 4b0f2599ed48 |
child 36506 | 6b56e679d9ff |
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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adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
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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 NameSpaceData = Generic_Data |
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( |
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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 |
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({declinfo=declinfo1, distinctthm=distinctthm1, silent=silent1}, |
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{declinfo=declinfo2, distinctthm=distinctthm2, silent=silent2}) : T = |
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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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); |
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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:
29064
diff
changeset
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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 => SIMPLE_METHOD (ctxt_tac ctxt)), NONE) |
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|> ProofContext.theory_of |
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adapted statespace module to new locales;
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parents:
29064
diff
changeset
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fun add_locale name expr elems thy = |
95d3a82857e5
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parents:
29064
diff
changeset
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155 |
thy |
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|> Expression.add_locale (Binding.name name) (Binding.name name) expr elems |
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|> snd |
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|> Local_Theory.exit; |
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parents:
29064
diff
changeset
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95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
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fun add_locale_cmd name expr elems thy = |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
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thy |
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|> Expression.add_locale_cmd (Binding.name name) Binding.empty expr elems |
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|> snd |
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|> Local_Theory.exit; |
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adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
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 StateSpaceData = Generic_Data |
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( |
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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 data : T = Symtab.merge (K true) data; |
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); |
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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 try Simplifier.the_context 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 try Simplifier.the_context 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 |
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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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||
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fun solve_tac ctxt (_,i) st = |
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let |
|
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changeset
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255 |
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))] |
263 |
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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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||
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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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29247
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adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
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273 |
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; |
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adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
277 |
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) = |
282 |
(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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wenzelm
parents:
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changeset
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286 |
val all_names = comps_of_thm thm; |
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fun upd name tt = |
288 |
(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_CRITICAL (* FIXME !?! *) |
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|
296 |
(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} |
300 |
|> activate_simproc |
|
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in (ctxt',thm) |
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end) |
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val attr = Attrib.internal type_attr; |
305 |
||
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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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309 |
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)), |
312 |
([]))])]; |
|
26478 | 313 |
in thy |
29247
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adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
314 |
|> add_locale name ([],vars) [assumes] |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
315 |
|> ProofContext.theory_of |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
316 |
|> interprete_parent name dist_thm_full_name parent_expr |
25171 | 317 |
end; |
318 |
||
32651 | 319 |
fun encode_dot x = if x= #"." then #"_" else x; |
25171 | 320 |
|
321 |
fun encode_type (TFree (s, _)) = s |
|
322 |
| encode_type (TVar ((s,i),_)) = "?" ^ s ^ string_of_int i |
|
26478 | 323 |
| encode_type (Type (n,Ts)) = |
25171 | 324 |
let |
325 |
val Ts' = fold1' (fn x => fn y => x ^ "_" ^ y) (map encode_type Ts) ""; |
|
32651 | 326 |
val n' = String.map encode_dot n; |
25171 | 327 |
in if Ts'="" then n' else Ts' ^ "_" ^ n' end; |
328 |
||
329 |
fun project_name T = projectN ^"_"^encode_type T; |
|
330 |
fun inject_name T = injectN ^"_"^encode_type T; |
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331 |
||
332 |
fun project_free T pT V = Free (project_name T, V --> pT); |
|
333 |
fun inject_free T pT V = Free (inject_name T, pT --> V); |
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334 |
||
335 |
fun get_name n = getN ^ "_" ^ n; |
|
336 |
fun put_name n = putN ^ "_" ^ n; |
|
337 |
fun get_const n T nT V = Free (get_name n, (nT --> V) --> T); |
|
338 |
fun put_const n T nT V = Free (put_name n, T --> (nT --> V) --> (nT --> V)); |
|
339 |
||
340 |
fun lookup_const T nT V = Const ("StateFun.lookup",(V --> T) --> nT --> (nT --> V) --> T); |
|
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fun update_const T nT V = |
25171 | 342 |
Const ("StateFun.update", |
343 |
(V --> T) --> (T --> V) --> nT --> (T --> T) --> (nT --> V) --> (nT --> V)); |
|
344 |
||
345 |
fun K_const T = Const ("StateFun.K_statefun",T --> T --> T); |
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346 |
||
347 |
val no_syn = #3 (Syntax.no_syn ((),())); |
|
348 |
||
349 |
||
350 |
fun add_declaration name decl thy = |
|
351 |
thy |
|
33553 | 352 |
|> Theory_Target.init name |
33671 | 353 |
|> (fn lthy => Local_Theory.declaration false (decl lthy) lthy) |
354 |
|> Local_Theory.exit_global; |
|
25171 | 355 |
|
356 |
fun parent_components thy (Ts, pname, renaming) = |
|
357 |
let |
|
358 |
val ctxt = Context.Theory thy; |
|
359 |
fun rename [] xs = xs |
|
360 |
| rename (NONE::rs) (x::xs) = x::rename rs xs |
|
361 |
| rename (SOME r::rs) ((x,T)::xs) = (r,T)::rename rs xs; |
|
26478 | 362 |
val {args,parents,components,...} = |
32960
69916a850301
eliminated hard tabulators, guessing at each author's individual tab-width;
wenzelm
parents:
32952
diff
changeset
|
363 |
the (Symtab.lookup (StateSpaceData.get ctxt) pname); |
25171 | 364 |
val inst = map fst args ~~ Ts; |
365 |
val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst); |
|
26478 | 366 |
val parent_comps = |
32952 | 367 |
maps (fn (Ts',n,rs) => parent_components thy (map subst Ts',n,rs)) parents; |
25171 | 368 |
val all_comps = rename renaming (parent_comps @ map (apsnd subst) components); |
369 |
in all_comps end; |
|
370 |
||
371 |
fun take_upto i xs = List.take(xs,i) handle Subscript => xs; |
|
372 |
||
373 |
fun statespace_definition state_type args name parents parent_comps components thy = |
|
26478 | 374 |
let |
28965 | 375 |
val full_name = Sign.full_bname thy name; |
25171 | 376 |
val all_comps = parent_comps @ components; |
377 |
||
378 |
val components' = map (fn (n,T) => (n,(T,full_name))) components; |
|
26478 | 379 |
val all_comps' = map (fn (n,T) => (n,(T,full_name))) all_comps; |
25171 | 380 |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
381 |
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
|
382 |
(* 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
|
383 |
val parents_expr = map parent_expr parents; |
25171 | 384 |
fun distinct_types Ts = |
27276 | 385 |
let val tab = fold (fn T => fn tab => Typtab.update (T,()) tab) Ts Typtab.empty; |
386 |
in map fst (Typtab.dest tab) end; |
|
25171 | 387 |
|
388 |
val Ts = distinct_types (map snd all_comps); |
|
389 |
val arg_names = map fst args; |
|
390 |
val valueN = Name.variant arg_names "'value"; |
|
391 |
val nameN = Name.variant (valueN::arg_names) "'name"; |
|
392 |
val valueT = TFree (valueN, Sign.defaultS thy); |
|
393 |
val nameT = TFree (nameN, Sign.defaultS thy); |
|
394 |
val stateT = nameT --> valueT; |
|
395 |
fun projectT T = valueT --> T; |
|
26478 | 396 |
fun injectT T = T --> valueT; |
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
397 |
val locinsts = map (fn T => (project_injectL, |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
398 |
(("",false),Expression.Positional |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
399 |
[SOME (Free (project_name T,projectT T)), |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
400 |
SOME (Free ((inject_name T,injectT T)))]))) Ts; |
32952 | 401 |
val locs = maps (fn T => [(Binding.name (project_name T),NONE,NoSyn), |
402 |
(Binding.name (inject_name T),NONE,NoSyn)]) Ts; |
|
403 |
val constrains = maps (fn T => [(project_name T,projectT T),(inject_name T,injectT T)]) Ts; |
|
25171 | 404 |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
405 |
fun interprete_parent_valuetypes (Ts, pname, _) thy = |
25171 | 406 |
let |
26478 | 407 |
val {args,types,...} = |
25171 | 408 |
the (Symtab.lookup (StateSpaceData.get (Context.Theory thy)) pname); |
409 |
val inst = map fst args ~~ Ts; |
|
410 |
val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst); |
|
32952 | 411 |
val pars = maps ((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
|
412 |
|
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
413 |
val expr = ([(suffix valuetypesN name, |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
414 |
(("",false),Expression.Positional (map SOME pars)))],[]); |
29291 | 415 |
in |
30473
e0b66c11e7e4
Assumption.all_prems_of, Assumption.all_assms_of;
wenzelm
parents:
30364
diff
changeset
|
416 |
prove_interpretation_in (ALLGOALS o solve_tac o Assumption.all_prems_of) |
29291 | 417 |
(suffix valuetypesN name, expr) thy |
418 |
end; |
|
25171 | 419 |
|
420 |
fun interprete_parent (_, pname, rs) = |
|
421 |
let |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
422 |
val expr = ([(pname, (("",false), Expression.Positional rs))],[]) |
26478 | 423 |
in prove_interpretation_in |
29360 | 424 |
(fn ctxt => Locale.intro_locales_tac false ctxt []) |
25171 | 425 |
(full_name, expr) end; |
426 |
||
427 |
fun declare_declinfo updates lthy phi ctxt = |
|
428 |
let |
|
26478 | 429 |
fun upd_prf ctxt = |
25171 | 430 |
let |
431 |
fun upd (n,v) = |
|
432 |
let |
|
33671 | 433 |
val nT = ProofContext.infer_type (Local_Theory.target_of lthy) n |
26478 | 434 |
in Context.proof_map |
435 |
(update_declinfo (Morphism.term phi (Free (n,nT)),v)) |
|
25171 | 436 |
end; |
437 |
in ctxt |> fold upd updates end; |
|
438 |
||
439 |
in Context.mapping I upd_prf ctxt end; |
|
440 |
||
26478 | 441 |
fun string_of_typ T = |
32966
5b21661fe618
indicate CRITICAL nature of various setmp combinators;
wenzelm
parents:
32960
diff
changeset
|
442 |
setmp_CRITICAL show_sorts true |
25696
c2058af6d9bc
PrintMode.setmp (avoid direct access to print_mode ref);
wenzelm
parents:
25408
diff
changeset
|
443 |
(PrintMode.setmp [] (Syntax.string_of_typ (ProofContext.init thy))) T; |
25171 | 444 |
val fixestate = (case state_type of |
445 |
NONE => [] |
|
26478 | 446 |
| SOME s => |
447 |
let |
|
32960
69916a850301
eliminated hard tabulators, guessing at each author's individual tab-width;
wenzelm
parents:
32952
diff
changeset
|
448 |
val fx = Element.Fixes [(Binding.name s,SOME (string_of_typ stateT),NoSyn)]; |
26478 | 449 |
val cs = Element.Constrains |
25171 | 450 |
(map (fn (n,T) => (n,string_of_typ T)) |
451 |
((map (fn (n,_) => (n,nameT)) all_comps) @ |
|
452 |
constrains)) |
|
453 |
in [fx,cs] end |
|
454 |
) |
|
455 |
||
26478 | 456 |
|
457 |
in thy |
|
458 |
|> namespace_definition |
|
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
459 |
(suffix namespaceN name) nameT (parents_expr,[]) |
25171 | 460 |
(map fst parent_comps) (map fst components) |
461 |
|> 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
|
462 |
|> add_locale (suffix valuetypesN name) (locinsts,locs) [] |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
463 |
|> ProofContext.theory_of |
26478 | 464 |
|> fold interprete_parent_valuetypes parents |
29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
465 |
|> add_locale_cmd name |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
466 |
([(suffix namespaceN full_name ,(("",false),Expression.Named [])), |
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29064
diff
changeset
|
467 |
(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
|
468 |
|> ProofContext.theory_of |
25171 | 469 |
|> fold interprete_parent parents |
470 |
|> add_declaration (SOME full_name) (declare_declinfo components') |
|
471 |
end; |
|
472 |
||
473 |
||
474 |
(* prepare arguments *) |
|
475 |
||
27283 | 476 |
fun read_raw_parent ctxt raw_T = |
477 |
(case ProofContext.read_typ_abbrev ctxt raw_T of |
|
25171 | 478 |
Type (name, Ts) => (Ts, name) |
27283 | 479 |
| T => error ("Bad parent statespace specification: " ^ Syntax.string_of_typ ctxt T)); |
25171 | 480 |
|
36149 | 481 |
fun read_typ ctxt raw_T env = |
482 |
let |
|
483 |
val ctxt' = fold (Variable.declare_typ o TFree) env ctxt; |
|
484 |
val T = Syntax.read_typ ctxt' raw_T; |
|
485 |
val env' = OldTerm.add_typ_tfrees (T, env); |
|
486 |
in (T, env') end; |
|
487 |
||
488 |
fun cert_typ ctxt raw_T env = |
|
489 |
let |
|
490 |
val thy = ProofContext.theory_of ctxt; |
|
491 |
val T = Type.no_tvars (Sign.certify_typ thy raw_T) |
|
492 |
handle TYPE (msg, _, _) => error msg; |
|
493 |
val env' = OldTerm.add_typ_tfrees (T, env); |
|
494 |
in (T, env') end; |
|
495 |
||
25171 | 496 |
fun gen_define_statespace prep_typ state_space args name parents comps thy = |
497 |
let (* - args distinct |
|
498 |
- only args may occur in comps and parent-instantiations |
|
26478 | 499 |
- number of insts must match parent args |
25171 | 500 |
- no duplicate renamings |
501 |
- renaming should occur in namespace |
|
502 |
*) |
|
26478 | 503 |
val _ = writeln ("Defining statespace " ^ quote name ^ " ..."); |
25171 | 504 |
|
27283 | 505 |
val ctxt = ProofContext.init thy; |
506 |
||
25171 | 507 |
fun add_parent (Ts,pname,rs) env = |
508 |
let |
|
28965 | 509 |
val full_pname = Sign.full_bname thy pname; |
26478 | 510 |
val {args,components,...} = |
25171 | 511 |
(case get_statespace (Context.Theory thy) full_pname of |
512 |
SOME r => r |
|
513 |
| NONE => error ("Undefined statespace " ^ quote pname)); |
|
514 |
||
515 |
||
27283 | 516 |
val (Ts',env') = fold_map (prep_typ ctxt) Ts env |
26478 | 517 |
handle ERROR msg => cat_error msg |
36149 | 518 |
("The error(s) above occurred in parent statespace specification " |
25171 | 519 |
^ quote pname); |
520 |
val err_insts = if length args <> length Ts' then |
|
521 |
["number of type instantiation(s) does not match arguments of parent statespace " |
|
522 |
^ quote pname] |
|
523 |
else []; |
|
26478 | 524 |
|
25171 | 525 |
val rnames = map fst rs |
526 |
val err_dup_renamings = (case duplicates (op =) rnames of |
|
527 |
[] => [] |
|
528 |
| dups => ["Duplicate renaming(s) for " ^ commas dups]) |
|
529 |
||
530 |
val cnames = map fst components; |
|
531 |
val err_rename_unknowns = (case (filter (fn n => not (n mem cnames))) rnames of |
|
532 |
[] => [] |
|
533 |
| rs => ["Unknown components " ^ commas rs]); |
|
26478 | 534 |
|
25171 | 535 |
|
536 |
val rs' = map (AList.lookup (op =) rs o fst) components; |
|
537 |
val errs =err_insts @ err_dup_renamings @ err_rename_unknowns |
|
538 |
in if null errs then ((Ts',full_pname,rs'),env') |
|
539 |
else error (cat_lines (errs @ ["in parent statespace " ^ quote pname])) |
|
540 |
end; |
|
26478 | 541 |
|
25171 | 542 |
val (parents',env) = fold_map add_parent parents []; |
543 |
||
544 |
val err_dup_args = |
|
545 |
(case duplicates (op =) args of |
|
546 |
[] => [] |
|
547 |
| dups => ["Duplicate type argument(s) " ^ commas dups]); |
|
26478 | 548 |
|
25171 | 549 |
|
26478 | 550 |
val err_dup_components = |
25171 | 551 |
(case duplicates (op =) (map fst comps) of |
552 |
[] => [] |
|
553 |
| dups => ["Duplicate state-space components " ^ commas dups]); |
|
554 |
||
555 |
fun prep_comp (n,T) env = |
|
27283 | 556 |
let val (T', env') = prep_typ ctxt T env handle ERROR msg => |
36149 | 557 |
cat_error msg ("The error(s) above occurred in component " ^ quote n) |
25171 | 558 |
in ((n,T'), env') end; |
559 |
||
560 |
val (comps',env') = fold_map prep_comp comps env; |
|
561 |
||
562 |
val err_extra_frees = |
|
563 |
(case subtract (op =) args (map fst env') of |
|
564 |
[] => [] |
|
565 |
| extras => ["Extra free type variable(s) " ^ commas extras]); |
|
566 |
||
567 |
val defaultS = Sign.defaultS thy; |
|
568 |
val args' = map (fn x => (x, AList.lookup (op =) env x |> the_default defaultS)) args; |
|
569 |
||
570 |
||
571 |
fun fst_eq ((x:string,_),(y,_)) = x = y; |
|
26478 | 572 |
fun snd_eq ((_,t:typ),(_,u)) = t = u; |
25171 | 573 |
|
32952 | 574 |
val raw_parent_comps = maps (parent_components thy) parents'; |
26478 | 575 |
fun check_type (n,T) = |
25171 | 576 |
(case distinct (snd_eq) (filter (curry fst_eq (n,T)) raw_parent_comps) of |
577 |
[] => [] |
|
578 |
| [_] => [] |
|
32432
64f30bdd3ba1
modernized messages -- eliminated ctyp/cterm operations;
wenzelm
parents:
32194
diff
changeset
|
579 |
| rs => ["Different types for component " ^ n ^": " ^ |
64f30bdd3ba1
modernized messages -- eliminated ctyp/cterm operations;
wenzelm
parents:
32194
diff
changeset
|
580 |
commas (map (Syntax.string_of_typ ctxt o snd) rs)]) |
26478 | 581 |
|
32952 | 582 |
val err_dup_types = maps check_type (duplicates fst_eq raw_parent_comps) |
25171 | 583 |
|
584 |
val parent_comps = distinct (fst_eq) raw_parent_comps; |
|
585 |
val all_comps = parent_comps @ comps'; |
|
586 |
val err_comp_in_parent = (case duplicates (op =) (map fst all_comps) of |
|
587 |
[] => [] |
|
588 |
| xs => ["Components already defined in parents: " ^ commas xs]); |
|
589 |
val errs = err_dup_args @ err_dup_components @ err_extra_frees @ |
|
590 |
err_dup_types @ err_comp_in_parent; |
|
26478 | 591 |
in if null errs |
25171 | 592 |
then thy |> statespace_definition state_space args' name parents' parent_comps comps' |
26478 | 593 |
else error (cat_lines errs) |
25171 | 594 |
end |
595 |
handle ERROR msg => cat_error msg ("Failed to define statespace " ^ quote name); |
|
26478 | 596 |
|
36149 | 597 |
val define_statespace = gen_define_statespace read_typ NONE; |
598 |
val define_statespace_i = gen_define_statespace cert_typ; |
|
26478 | 599 |
|
25171 | 600 |
|
601 |
(*** parse/print - translations ***) |
|
602 |
||
603 |
||
604 |
local |
|
26478 | 605 |
fun map_get_comp f ctxt (Free (name,_)) = |
606 |
(case (get_comp ctxt name) of |
|
607 |
SOME (T,_) => f T T dummyT |
|
25171 | 608 |
| NONE => (Syntax.free "arbitrary"(*; error "context not ready"*))) |
609 |
| map_get_comp _ _ _ = Syntax.free "arbitrary"; |
|
610 |
||
611 |
val get_comp_projection = map_get_comp project_free; |
|
612 |
val get_comp_injection = map_get_comp inject_free; |
|
613 |
||
614 |
fun name_of (Free (n,_)) = n; |
|
615 |
in |
|
616 |
||
26478 | 617 |
fun gen_lookup_tr ctxt s n = |
25171 | 618 |
(case get_comp (Context.Proof ctxt) n of |
26478 | 619 |
SOME (T,_) => |
25171 | 620 |
Syntax.const "StateFun.lookup"$Syntax.free (project_name T)$Syntax.free n$s |
26478 | 621 |
| NONE => |
25171 | 622 |
if get_silent (Context.Proof ctxt) |
32960
69916a850301
eliminated hard tabulators, guessing at each author's individual tab-width;
wenzelm
parents:
32952
diff
changeset
|
623 |
then Syntax.const "StateFun.lookup" $ Syntax.const "undefined" $ Syntax.free n $ s |
25171 | 624 |
else raise TERM ("StateSpace.gen_lookup_tr: component " ^ n ^ " not defined",[])); |
625 |
||
626 |
fun lookup_tr ctxt [s,Free (n,_)] = gen_lookup_tr ctxt s n; |
|
627 |
fun lookup_swap_tr ctxt [Free (n,_),s] = gen_lookup_tr ctxt s n; |
|
628 |
||
629 |
fun lookup_tr' ctxt [_$Free (prj,_),n as (_$Free (name,_)),s] = |
|
630 |
( case get_comp (Context.Proof ctxt) name of |
|
631 |
SOME (T,_) => if prj=project_name T then |
|
26478 | 632 |
Syntax.const "_statespace_lookup" $ s $ n |
25171 | 633 |
else raise Match |
634 |
| NONE => raise Match) |
|
635 |
| lookup_tr' _ ts = raise Match; |
|
636 |
||
26478 | 637 |
fun gen_update_tr id ctxt n v s = |
25171 | 638 |
let |
639 |
fun pname T = if id then "Fun.id" else project_name T |
|
640 |
fun iname T = if id then "Fun.id" else inject_name T |
|
641 |
in |
|
642 |
(case get_comp (Context.Proof ctxt) n of |
|
643 |
SOME (T,_) => Syntax.const "StateFun.update"$ |
|
644 |
Syntax.free (pname T)$Syntax.free (iname T)$ |
|
645 |
Syntax.free n$(Syntax.const KN $ v)$s |
|
26478 | 646 |
| NONE => |
647 |
if get_silent (Context.Proof ctxt) |
|
25171 | 648 |
then Syntax.const "StateFun.update"$ |
30249 | 649 |
Syntax.const "undefined" $ Syntax.const "undefined" $ |
650 |
Syntax.free n $ (Syntax.const KN $ v) $ s |
|
25171 | 651 |
else raise TERM ("StateSpace.gen_update_tr: component " ^ n ^ " not defined",[])) |
652 |
end; |
|
653 |
||
654 |
fun update_tr ctxt [s,Free (n,_),v] = gen_update_tr false ctxt n v s; |
|
655 |
||
656 |
fun update_tr' ctxt [_$Free (prj,_),_$Free (inj,_),n as (_$Free (name,_)),(Const (k,_)$v),s] = |
|
30364
577edc39b501
moved basic algebra of long names from structure NameSpace to Long_Name;
wenzelm
parents:
30346
diff
changeset
|
657 |
if Long_Name.base_name k = Long_Name.base_name KN then |
25171 | 658 |
(case get_comp (Context.Proof ctxt) name of |
659 |
SOME (T,_) => if inj=inject_name T andalso prj=project_name T then |
|
26478 | 660 |
Syntax.const "_statespace_update" $ s $ n $ v |
25171 | 661 |
else raise Match |
662 |
| NONE => raise Match) |
|
663 |
else raise Match |
|
664 |
| update_tr' _ _ = raise Match; |
|
665 |
||
666 |
end; |
|
667 |
||
668 |
||
669 |
(*** outer syntax *) |
|
670 |
||
671 |
local structure P = OuterParse and K = OuterKeyword in |
|
672 |
||
673 |
val type_insts = |
|
674 |
P.typ >> single || |
|
26478 | 675 |
P.$$$ "(" |-- P.!!! (P.list1 P.typ --| P.$$$ ")") |
25171 | 676 |
|
677 |
val comp = P.name -- (P.$$$ "::" |-- P.!!! P.typ); |
|
678 |
fun plus1_unless test scan = |
|
25999 | 679 |
scan ::: Scan.repeat (P.$$$ "+" |-- Scan.unless test (P.!!! scan)); |
25171 | 680 |
|
681 |
val mapsto = P.$$$ "="; |
|
682 |
val rename = P.name -- (mapsto |-- P.name); |
|
683 |
val renames = Scan.optional (P.$$$ "[" |-- P.!!! (P.list1 rename --| P.$$$ "]")) []; |
|
684 |
||
685 |
||
686 |
val parent = ((type_insts -- P.xname) || (P.xname >> pair [])) -- renames |
|
687 |
>> (fn ((insts,name),renames) => (insts,name,renames)) |
|
688 |
||
689 |
||
690 |
val statespace_decl = |
|
691 |
P.type_args -- P.name -- |
|
26478 | 692 |
(P.$$$ "=" |-- |
25171 | 693 |
((Scan.repeat1 comp >> pair []) || |
694 |
(plus1_unless comp parent -- |
|
695 |
Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 comp)) []))) |
|
696 |
||
697 |
val statespace_command = |
|
698 |
OuterSyntax.command "statespace" "define state space" K.thy_decl |
|
26478 | 699 |
(statespace_decl >> (fn ((args,name),(parents,comps)) => |
25171 | 700 |
Toplevel.theory (define_statespace args name parents comps))) |
701 |
||
702 |
end; |
|
703 |
||
32651 | 704 |
end; |