author | wenzelm |
Tue, 09 Oct 2007 17:10:43 +0200 | |
changeset 24930 | cc2e0e8c81af |
parent 24920 | 2a45e400fdad |
child 24949 | 5f00e3532418 |
permissions | -rw-r--r-- |
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(* Title: Pure/Isar/class.ML |
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ID: $Id$ |
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Author: Florian Haftmann, TU Muenchen |
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Type classes derived from primitive axclasses and locales. |
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*) |
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signature CLASS = |
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sig |
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val fork_mixfix: bool -> string option -> mixfix -> mixfix * mixfix |
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val axclass_cmd: bstring * xstring list |
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-> ((bstring * Attrib.src list) * string list) list |
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-> theory -> class * theory |
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val classrel_cmd: xstring * xstring -> theory -> Proof.state |
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val class: bool -> bstring -> class list -> Element.context_i Locale.element list |
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-> string list -> theory -> string * Proof.context |
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val class_cmd: bool -> bstring -> xstring list -> Element.context Locale.element list |
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-> xstring list -> theory -> string * Proof.context |
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val init: class -> Proof.context -> Proof.context; |
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val add_const_in_class: string -> (string * term) * Syntax.mixfix |
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-> theory -> string * theory |
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val add_abbrev_in_class: string -> Syntax.mode -> (string * term) * mixfix |
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-> theory -> string * theory |
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val remove_constraint: sort -> string -> Proof.context -> Proof.context |
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val intro_classes_tac: thm list -> tactic |
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val default_intro_classes_tac: thm list -> tactic |
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val class_of_locale: theory -> string -> class option |
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val locale_of_class: theory -> class -> string |
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val local_syntax: theory -> class -> bool |
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val print_classes: theory -> unit |
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val instance_arity: (theory -> theory) -> arity list -> theory -> Proof.state |
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val instance: arity list -> ((bstring * Attrib.src list) * term) list |
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-> (thm list -> theory -> theory) |
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-> theory -> Proof.state |
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val instance_cmd: (bstring * xstring list * xstring) list |
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-> ((bstring * Attrib.src list) * xstring) list |
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-> (thm list -> theory -> theory) |
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-> theory -> Proof.state |
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val prove_instance: tactic -> arity list |
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-> ((bstring * Attrib.src list) * term) list |
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-> theory -> thm list * theory |
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val unoverload: theory -> conv |
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val overload: theory -> conv |
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val unoverload_const: theory -> string * typ -> string |
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val inst_const: theory -> string * string -> string |
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val param_const: theory -> string -> (string * string) option |
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val params_of_sort: theory -> sort -> (string * (string * typ)) list |
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end; |
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structure Class : CLASS = |
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struct |
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(** auxiliary **) |
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fun fork_mixfix is_loc some_class mx = |
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let |
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val mx' = Syntax.unlocalize_mixfix mx; |
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val mx_global = if not is_loc orelse (is_some some_class andalso not (mx = mx')) |
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then mx' else NoSyn; |
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val mx_local = if is_loc then mx else NoSyn; |
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in (mx_global, mx_local) end; |
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fun prove_interpretation tac prfx_atts expr insts = |
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Locale.interpretation_i I prfx_atts expr insts |
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#> Proof.global_terminal_proof |
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(Method.Basic (K (Method.SIMPLE_METHOD tac), Position.none), NONE) |
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#> ProofContext.theory_of; |
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fun OF_LAST thm1 thm2 = |
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let |
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val n = (length o Logic.strip_imp_prems o prop_of) thm2; |
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in (thm1 RSN (n, thm2)) end; |
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fun strip_all_ofclass thy sort = |
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let |
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val typ = TVar ((Name.aT, 0), sort); |
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fun prem_inclass t = |
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case Logic.strip_imp_prems t |
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of ofcls :: _ => try Logic.dest_inclass ofcls |
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| [] => NONE; |
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fun strip_ofclass class thm = |
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thm OF (fst o AxClass.of_sort thy (typ, [class])) AxClass.cache; |
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fun strip thm = case (prem_inclass o Thm.prop_of) thm |
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of SOME (_, class) => thm |> strip_ofclass class |> strip |
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| NONE => thm; |
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in strip end; |
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(** axclass command **) |
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fun axclass_cmd (class, raw_superclasses) raw_specs thy = |
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let |
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val ctxt = ProofContext.init thy; |
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val superclasses = map (Sign.read_class thy) raw_superclasses; |
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val name_atts = map ((apsnd o map) (Attrib.attribute thy) o fst) |
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raw_specs; |
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val axiomss = ProofContext.read_propp (ctxt, map (map (rpair []) o snd) |
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raw_specs) |
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|> snd |
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|> (map o map) fst; |
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in |
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AxClass.define_class (class, superclasses) [] |
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(name_atts ~~ axiomss) thy |
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end; |
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local |
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fun gen_instance mk_prop add_thm after_qed insts thy = |
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let |
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fun after_qed' results = |
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ProofContext.theory ((fold o fold) add_thm results #> after_qed); |
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in |
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thy |
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|> ProofContext.init |
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|> Proof.theorem_i NONE after_qed' ((map (fn t => [(t, [])]) |
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o maps (mk_prop thy)) insts) |
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end; |
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in |
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val instance_arity = |
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gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity; |
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val classrel = |
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gen_instance (single oo (Logic.mk_classrel oo AxClass.cert_classrel)) |
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AxClass.add_classrel I o single; |
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val classrel_cmd = |
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gen_instance (single oo (Logic.mk_classrel oo AxClass.read_classrel)) |
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AxClass.add_classrel I o single; |
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end; (*local*) |
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(** explicit constants for overloaded definitions **) |
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structure InstData = TheoryDataFun |
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( |
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type T = (string * thm) Symtab.table Symtab.table * (string * string) Symtab.table; |
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(*constant name ~> type constructor ~> (constant name, equation), |
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constant name ~> (constant name, type constructor)*) |
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val empty = (Symtab.empty, Symtab.empty); |
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val copy = I; |
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val extend = I; |
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fun merge _ ((taba1, tabb1), (taba2, tabb2)) = |
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(Symtab.join (K (Symtab.merge (K true))) (taba1, taba2), |
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Symtab.merge (K true) (tabb1, tabb2)); |
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); |
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fun inst_thms f thy = (Symtab.fold (Symtab.fold (cons o f o snd o snd) o snd) o fst) |
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(InstData.get thy) []; |
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fun add_inst (c, tyco) inst = (InstData.map o apfst |
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o Symtab.map_default (c, Symtab.empty)) (Symtab.update_new (tyco, inst)) |
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#> (InstData.map o apsnd) (Symtab.update_new (fst inst, (c, tyco))); |
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fun unoverload thy = MetaSimplifier.rewrite false (inst_thms I thy); |
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fun overload thy = MetaSimplifier.rewrite false (inst_thms symmetric thy); |
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fun inst_const thy (c, tyco) = |
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(fst o the o Symtab.lookup ((the o Symtab.lookup (fst (InstData.get thy))) c)) tyco; |
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fun unoverload_const thy (c_ty as (c, _)) = |
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case AxClass.class_of_param thy c |
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of SOME class => (case Sign.const_typargs thy c_ty |
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of [Type (tyco, _)] => (case Symtab.lookup |
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((the o Symtab.lookup (fst (InstData.get thy))) c) tyco |
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of SOME (c, _) => c |
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| NONE => c) |
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| [_] => c) |
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| NONE => c; |
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val param_const = Symtab.lookup o snd o InstData.get; |
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fun add_inst_def (class, tyco) (c, ty) thy = |
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let |
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val tyco_base = NameSpace.base tyco; |
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val name_inst = NameSpace.base class ^ "_" ^ tyco_base ^ "_inst"; |
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val c_inst_base = NameSpace.base c ^ "_" ^ tyco_base; |
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in |
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thy |
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|> Sign.sticky_prefix name_inst |
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|> PureThy.simple_def ("", []) |
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(((c_inst_base, ty, Syntax.NoSyn), []), Const (c, ty)) |
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|-> (fn (c_inst, thm) => add_inst (c, tyco) (c_inst, symmetric thm)) |
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|> Sign.restore_naming thy |
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end; |
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fun add_inst_def' (class, tyco) (c, ty) thy = |
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if case Symtab.lookup (fst (InstData.get thy)) c |
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of NONE => true |
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| SOME tab => is_none (Symtab.lookup tab tyco) |
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then add_inst_def (class, tyco) (c, Logic.unvarifyT ty) thy |
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else thy; |
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fun add_def ((class, tyco), ((name, prop), atts)) thy = |
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let |
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val ((lhs as Const (c, ty), args), rhs) = |
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(apfst Term.strip_comb o Logic.dest_equals) prop; |
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fun (*add_inst' def ([], (Const (c_inst, ty))) = |
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if forall (fn TFree _ => true | _ => false) (Sign.const_typargs thy (c_inst, ty)) |
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then add_inst (c, tyco) (c_inst, def) |
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else add_inst_def (class, tyco) (c, ty) |
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|*) add_inst' _ t = add_inst_def (class, tyco) (c, ty); |
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in |
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thy |
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|> PureThy.add_defs_i true [((name, prop), map (Attrib.attribute thy) atts)] |
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|-> (fn [def] => add_inst' def (args, rhs) #> pair def) |
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end; |
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(** instances with implicit parameter handling **) |
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local |
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fun gen_read_def thy prep_att parse_prop ((raw_name, raw_atts), raw_t) = |
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let |
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val ctxt = ProofContext.init thy; |
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val t = parse_prop ctxt raw_t |> Syntax.check_prop ctxt; |
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val ((c, ty), _) = Sign.cert_def (Sign.pp thy) t; |
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val atts = map (prep_att thy) raw_atts; |
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val insts = Consts.typargs (Sign.consts_of thy) (c, ty); |
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val name = case raw_name |
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of "" => NONE |
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| _ => SOME raw_name; |
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in (c, (insts, ((name, t), atts))) end; |
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fun read_def_cmd thy = gen_read_def thy Attrib.intern_src Syntax.parse_prop; |
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fun read_def thy = gen_read_def thy (K I) (K I); |
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fun gen_instance prep_arity read_def do_proof raw_arities raw_defs after_qed theory = |
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let |
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val arities = map (prep_arity theory) raw_arities; |
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val _ = if null arities then error "at least one arity must be given" else (); |
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val _ = case (duplicates (op =) o map #1) arities |
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of [] => () |
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| dupl_tycos => error ("type constructors occur more than once in arities: " |
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^ (commas o map quote) dupl_tycos); |
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fun get_remove_constraint c thy = |
239 |
let |
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240 |
val ty = Sign.the_const_constraint thy c; |
|
241 |
in |
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thy |
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|> Sign.add_const_constraint (c, NONE) |
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|> pair (c, Logic.unvarifyT ty) |
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end; |
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fun get_consts_class tyco ty class = |
247 |
let |
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val cs = (these o Option.map snd o try (AxClass.params_of_class theory)) class; |
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val subst_ty = map_type_tfree (K ty); |
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250 |
in |
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map (fn (c, ty) => (c, ((class, tyco), subst_ty ty))) cs |
24218 | 252 |
end; |
253 |
fun get_consts_sort (tyco, asorts, sort) = |
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254 |
let |
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val ty = Type (tyco, map (fn (v, sort) => TVar ((v, 0), sort)) |
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(Name.names Name.context Name.aT asorts)) |
24731 | 257 |
in maps (get_consts_class tyco ty) (Sign.complete_sort theory sort) end; |
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val cs = maps get_consts_sort arities; |
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fun mk_typnorm thy (ty, ty_sc) = |
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260 |
case try (Sign.typ_match thy (Logic.varifyT ty_sc, ty)) Vartab.empty |
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of SOME env => SOME (Logic.varifyT #> Envir.typ_subst_TVars env #> Logic.unvarifyT) |
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262 |
| NONE => NONE; |
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263 |
fun read_defs defs cs thy_read = |
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264 |
let |
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265 |
fun read raw_def cs = |
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266 |
let |
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267 |
val (c, (inst, ((name_opt, t), atts))) = read_def thy_read raw_def; |
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268 |
val ty = Consts.instance (Sign.consts_of thy_read) (c, inst); |
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val ((class, tyco), ty') = case AList.lookup (op =) cs c |
24218 | 270 |
of NONE => error ("illegal definition for constant " ^ quote c) |
271 |
| SOME class_ty => class_ty; |
|
272 |
val name = case name_opt |
|
273 |
of NONE => Thm.def_name (Logic.name_arity (tyco, [], c)) |
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274 |
| SOME name => name; |
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275 |
val t' = case mk_typnorm thy_read (ty', ty) |
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276 |
of NONE => error ("illegal definition for constant " ^ |
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277 |
quote (c ^ "::" ^ setmp show_sorts true |
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278 |
(Sign.string_of_typ thy_read) ty)) |
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279 |
| SOME norm => map_types norm t |
|
280 |
in (((class, tyco), ((name, t'), atts)), AList.delete (op =) c cs) end; |
|
281 |
in fold_map read defs cs end; |
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24304 | 282 |
val (defs, other_cs) = read_defs raw_defs cs |
24218 | 283 |
(fold Sign.primitive_arity arities (Theory.copy theory)); |
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fun after_qed' cs defs = |
24766 | 285 |
fold Sign.add_const_constraint (map (apsnd SOME) cs) |
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#> after_qed defs; |
24218 | 287 |
in |
288 |
theory |
|
24748 | 289 |
|> fold_map get_remove_constraint (map fst cs |> distinct (op =)) |
24304 | 290 |
||>> fold_map add_def defs |
291 |
||> fold (fn (c, ((class, tyco), ty)) => add_inst_def' (class, tyco) (c, ty)) other_cs |
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|-> (fn (cs, defs) => do_proof (after_qed' cs defs) arities defs) |
24218 | 293 |
end; |
294 |
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fun tactic_proof tac f arities defs = |
24218 | 296 |
fold (fn arity => AxClass.prove_arity arity tac) arities |
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#> f |
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|
298 |
#> pair defs; |
24218 | 299 |
|
300 |
in |
|
301 |
||
24589 | 302 |
val instance = gen_instance Sign.cert_arity read_def |
303 |
(fn f => fn arities => fn defs => instance_arity f arities); |
|
304 |
val instance_cmd = gen_instance Sign.read_arity read_def_cmd |
|
305 |
(fn f => fn arities => fn defs => instance_arity f arities); |
|
306 |
fun prove_instance tac arities defs = |
|
307 |
gen_instance Sign.cert_arity read_def |
|
308 |
(tactic_proof tac) arities defs (K I); |
|
24218 | 309 |
|
310 |
end; (*local*) |
|
311 |
||
312 |
||
313 |
||
24589 | 314 |
(** class data **) |
24218 | 315 |
|
316 |
datatype class_data = ClassData of { |
|
317 |
locale: string, |
|
318 |
consts: (string * string) list |
|
24836 | 319 |
(*locale parameter ~> constant name*), |
24748 | 320 |
local_sort: sort, |
24589 | 321 |
inst: typ Symtab.table * term Symtab.table |
322 |
(*canonical interpretation*), |
|
24657 | 323 |
intro: thm, |
24748 | 324 |
local_syntax: bool, |
24657 | 325 |
defs: thm list, |
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326 |
operations: (string * (term * int) option) list, |
24836 | 327 |
(*constant name ~> (locale term, instantiaton index of class typ)*) |
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328 |
constraints: (string * typ) list |
24657 | 329 |
}; |
24218 | 330 |
|
24657 | 331 |
fun rep_class_data (ClassData d) = d; |
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|
332 |
fun mk_class_data ((locale, consts, local_sort, inst, intro, local_syntax), |
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|
333 |
(defs, (operations, constraints))) = |
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|
334 |
ClassData { locale = locale, consts = consts, local_sort = local_sort, inst = inst, |
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|
335 |
intro = intro, local_syntax = local_syntax, defs = defs, operations = operations, |
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|
336 |
constraints = constraints }; |
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|
337 |
fun map_class_data f (ClassData { locale, consts, local_sort, inst, intro, |
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|
338 |
local_syntax, defs, operations, constraints }) = |
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|
339 |
mk_class_data (f ((locale, consts, local_sort, inst, intro, local_syntax), |
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|
340 |
(defs, (operations, constraints)))); |
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|
341 |
fun merge_class_data _ (ClassData { locale = locale, consts = consts, |
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|
342 |
local_sort = local_sort, inst = inst, intro = intro, local_syntax = local_syntax, |
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|
343 |
defs = defs1, operations = operations1, constraints = constraints1 }, |
24748 | 344 |
ClassData { locale = _, consts = _, local_sort = _, inst = _, intro = _, local_syntax = _, |
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|
345 |
defs = defs2, operations = operations2, constraints = constraints2 }) = |
24748 | 346 |
mk_class_data ((locale, consts, local_sort, inst, intro, local_syntax), |
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|
347 |
(Thm.merge_thms (defs1, defs2), |
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changeset
|
348 |
(AList.merge (op =) (K true) (operations1, operations2), |
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|
349 |
AList.merge (op =) (K true) (constraints1, constraints2)))); |
24218 | 350 |
|
351 |
fun merge_pair f1 f2 ((x1, y1), (x2, y2)) = (f1 (x1, x2), f2 (y1, y2)); |
|
352 |
||
353 |
structure ClassData = TheoryDataFun |
|
354 |
( |
|
24657 | 355 |
type T = class_data Graph.T * class Symtab.table |
356 |
(*locale name ~> class name*); |
|
24218 | 357 |
val empty = (Graph.empty, Symtab.empty); |
358 |
val copy = I; |
|
359 |
val extend = I; |
|
24657 | 360 |
fun merge _ = merge_pair (Graph.join merge_class_data) (Symtab.merge (K true)); |
24218 | 361 |
); |
362 |
||
363 |
||
364 |
(* queries *) |
|
365 |
||
24657 | 366 |
val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node |
24589 | 367 |
o fst o ClassData.get; |
24218 | 368 |
fun class_of_locale thy = Symtab.lookup ((snd o ClassData.get) thy); |
369 |
||
24589 | 370 |
fun the_class_data thy class = case lookup_class_data thy class |
371 |
of NONE => error ("undeclared class " ^ quote class) |
|
372 |
| SOME data => data; |
|
24218 | 373 |
|
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|
374 |
val locale_of_class = #locale oo the_class_data; |
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diff
changeset
|
375 |
|
24218 | 376 |
val ancestry = Graph.all_succs o fst o ClassData.get; |
377 |
||
24435 | 378 |
fun params_of_sort thy = |
24218 | 379 |
let |
380 |
fun params class = |
|
381 |
let |
|
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changeset
|
382 |
val const_typs = (#params o AxClass.get_info thy) class; |
24657 | 383 |
val const_names = (#consts o the_class_data thy) class; |
24218 | 384 |
in |
385 |
(map o apsnd) (fn c => (c, (the o AList.lookup (op =) const_typs) c)) const_names |
|
386 |
end; |
|
387 |
in maps params o ancestry thy end; |
|
388 |
||
24657 | 389 |
fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy; |
24218 | 390 |
|
391 |
fun these_intros thy = |
|
24657 | 392 |
Graph.fold (fn (_, (data, _)) => insert Thm.eq_thm ((#intro o rep_class_data) data)) |
24218 | 393 |
((fst o ClassData.get) thy) []; |
394 |
||
24836 | 395 |
fun these_operations thy = |
396 |
maps (#operations o the_class_data thy) o ancestry thy; |
|
24657 | 397 |
|
24914
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parents:
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diff
changeset
|
398 |
fun these_constraints thy = |
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parents:
24901
diff
changeset
|
399 |
maps (#constraints o the_class_data thy) o ancestry thy; |
95cda5dd58d5
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parents:
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diff
changeset
|
400 |
|
24836 | 401 |
fun local_operation thy = Option.join oo AList.lookup (op =) o these_operations thy; |
24657 | 402 |
|
24901
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diff
changeset
|
403 |
fun sups_local_sort thy sort = |
d3cbf79769b9
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haftmann
parents:
24847
diff
changeset
|
404 |
let |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
405 |
val sups = filter (is_some o lookup_class_data thy) sort |
d3cbf79769b9
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haftmann
parents:
24847
diff
changeset
|
406 |
|> Sign.minimize_sort thy; |
d3cbf79769b9
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haftmann
parents:
24847
diff
changeset
|
407 |
val local_sort = case sups |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
408 |
of sup :: _ => #local_sort (the_class_data thy sup) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
409 |
| [] => sort; |
d3cbf79769b9
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haftmann
parents:
24847
diff
changeset
|
410 |
in (sups, local_sort) end; |
d3cbf79769b9
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haftmann
parents:
24847
diff
changeset
|
411 |
|
24836 | 412 |
fun local_syntax thy = #local_syntax o the_class_data thy; |
24748 | 413 |
|
24218 | 414 |
fun print_classes thy = |
415 |
let |
|
24920 | 416 |
val ctxt = ProofContext.init thy; |
417 |
||
24218 | 418 |
val algebra = Sign.classes_of thy; |
419 |
val arities = |
|
420 |
Symtab.empty |
|
421 |
|> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) => |
|
422 |
Symtab.map_default (class, []) (insert (op =) tyco)) arities) |
|
423 |
((#arities o Sorts.rep_algebra) algebra); |
|
424 |
val the_arities = these o Symtab.lookup arities; |
|
425 |
fun mk_arity class tyco = |
|
426 |
let |
|
427 |
val Ss = Sorts.mg_domain algebra tyco [class]; |
|
24920 | 428 |
in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end; |
24218 | 429 |
fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: " |
24920 | 430 |
^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty); |
24218 | 431 |
fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [ |
432 |
(SOME o Pretty.str) ("class " ^ class ^ ":"), |
|
433 |
(SOME o Pretty.block) [Pretty.str "supersort: ", |
|
24920 | 434 |
(Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class], |
24657 | 435 |
Option.map (Pretty.str o prefix "locale: " o #locale) (lookup_class_data thy class), |
24218 | 436 |
((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks) (Pretty.str "parameters:" :: ps)) o map mk_param |
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
437 |
o these o Option.map #params o try (AxClass.get_info thy)) class, |
24218 | 438 |
(SOME o Pretty.block o Pretty.breaks) [ |
439 |
Pretty.str "instances:", |
|
440 |
Pretty.list "" "" (map (mk_arity class) (the_arities class)) |
|
441 |
] |
|
442 |
] |
|
443 |
in |
|
24589 | 444 |
(Pretty.writeln o Pretty.chunks o separate (Pretty.str "") |
445 |
o map mk_entry o Sorts.all_classes) algebra |
|
24218 | 446 |
end; |
447 |
||
448 |
||
449 |
(* updaters *) |
|
450 |
||
24748 | 451 |
fun add_class_data ((class, superclasses), (locale, consts, local_sort, inst, intro, local_syntax)) = |
24218 | 452 |
ClassData.map (fn (gr, tab) => ( |
453 |
gr |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
454 |
|> Graph.new_node (class, mk_class_data ((locale, (map o pairself) fst consts, |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
455 |
local_sort, inst, intro, local_syntax), |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
456 |
([], (map (apfst fst o apsnd (SOME o rpair 0 o Free) o swap) consts, map snd consts)))) |
24218 | 457 |
|> fold (curry Graph.add_edge class) superclasses, |
458 |
tab |
|
459 |
|> Symtab.update (locale, class) |
|
460 |
)); |
|
461 |
||
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
462 |
fun register_const class (entry, def) = |
24657 | 463 |
(ClassData.map o apfst o Graph.map_node class o map_class_data o apsnd) |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
464 |
(fn (defs, (operations, constraints)) => |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
465 |
(def :: defs, (apsnd (SOME o snd) entry :: operations, apsnd fst entry :: constraints))); |
24836 | 466 |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
467 |
fun register_abbrev class (abbrev, ty) = |
24836 | 468 |
(ClassData.map o apfst o Graph.map_node class o map_class_data o apsnd o apsnd) |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
469 |
(fn (operations, constraints) => ((abbrev, NONE) :: operations, (abbrev, ty) :: constraints)); |
24218 | 470 |
|
24589 | 471 |
|
472 |
(** rule calculation, tactics and methods **) |
|
473 |
||
474 |
fun class_intro thy locale class sups = |
|
475 |
let |
|
476 |
fun class_elim class = |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
477 |
case (map Drule.unconstrainTs o #axioms o AxClass.get_info thy) class |
24589 | 478 |
of [thm] => SOME thm |
479 |
| [] => NONE; |
|
480 |
val pred_intro = case Locale.intros thy locale |
|
481 |
of ([ax_intro], [intro]) => intro |> OF_LAST ax_intro |> SOME |
|
482 |
| ([intro], []) => SOME intro |
|
483 |
| ([], [intro]) => SOME intro |
|
484 |
| _ => NONE; |
|
485 |
val pred_intro' = pred_intro |
|
486 |
|> Option.map (fn intro => intro OF map_filter class_elim sups); |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
487 |
val class_intro = (#intro o AxClass.get_info thy) class; |
24589 | 488 |
val raw_intro = case pred_intro' |
489 |
of SOME pred_intro => class_intro |> OF_LAST pred_intro |
|
490 |
| NONE => class_intro; |
|
491 |
val sort = Sign.super_classes thy class; |
|
24847 | 492 |
val typ = TVar ((Name.aT, 0), sort); |
24589 | 493 |
val defs = these_defs thy sups; |
494 |
in |
|
495 |
raw_intro |
|
496 |
|> Drule.instantiate' [SOME (Thm.ctyp_of thy typ)] [] |
|
497 |
|> strip_all_ofclass thy sort |
|
498 |
|> Thm.strip_shyps |
|
499 |
|> MetaSimplifier.rewrite_rule defs |
|
500 |
|> Drule.unconstrainTs |
|
501 |
end; |
|
502 |
||
503 |
fun class_interpretation class facts defs thy = |
|
504 |
let |
|
24657 | 505 |
val { locale, inst, ... } = the_class_data thy class; |
24589 | 506 |
val tac = (ALLGOALS o ProofContext.fact_tac) facts; |
507 |
val prfx = Logic.const_of_class (NameSpace.base class); |
|
508 |
in |
|
509 |
prove_interpretation tac ((false, prfx), []) (Locale.Locale locale) |
|
510 |
(inst, defs) thy |
|
511 |
end; |
|
512 |
||
513 |
fun interpretation_in_rule thy (class1, class2) = |
|
514 |
let |
|
515 |
fun mk_axioms class = |
|
516 |
let |
|
24657 | 517 |
val { locale, inst = (_, insttab), ... } = the_class_data thy class; |
24589 | 518 |
in |
519 |
Locale.global_asms_of thy locale |
|
520 |
|> maps snd |
|
521 |
|> (map o map_aterms) (fn Free (s, _) => (the o Symtab.lookup insttab) s | t => t) |
|
24847 | 522 |
|> (map o map_types o map_atyps) (fn TFree _ => TFree (Name.aT, [class1]) | T => T) |
24589 | 523 |
|> map (ObjectLogic.ensure_propT thy) |
524 |
end; |
|
525 |
val (prems, concls) = pairself mk_axioms (class1, class2); |
|
526 |
in |
|
527 |
Goal.prove_global thy [] prems (Logic.mk_conjunction_list concls) |
|
528 |
(Locale.intro_locales_tac true (ProofContext.init thy)) |
|
529 |
end; |
|
24218 | 530 |
|
531 |
fun intro_classes_tac facts st = |
|
532 |
let |
|
533 |
val thy = Thm.theory_of_thm st; |
|
534 |
val classes = Sign.all_classes thy; |
|
535 |
val class_trivs = map (Thm.class_triv thy) classes; |
|
536 |
val class_intros = these_intros thy; |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
537 |
val axclass_intros = map_filter (try (#intro o AxClass.get_info thy)) classes; |
24218 | 538 |
in |
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
539 |
(ALLGOALS (Method.insert_tac facts THEN' |
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
540 |
REPEAT_ALL_NEW (resolve_tac (class_trivs @ class_intros @ axclass_intros))) |
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
541 |
THEN Tactic.distinct_subgoals_tac) st |
24218 | 542 |
end; |
543 |
||
544 |
fun default_intro_classes_tac [] = intro_classes_tac [] |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
545 |
| default_intro_classes_tac _ = no_tac; |
24218 | 546 |
|
547 |
fun default_tac rules ctxt facts = |
|
548 |
HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE |
|
549 |
default_intro_classes_tac facts; |
|
550 |
||
551 |
val _ = Context.add_setup (Method.add_methods |
|
552 |
[("intro_classes", Method.no_args (Method.METHOD intro_classes_tac), |
|
553 |
"back-chain introduction rules of classes"), |
|
554 |
("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), |
|
555 |
"apply some intro/elim rule")]); |
|
556 |
||
557 |
||
24589 | 558 |
(** classes and class target **) |
24218 | 559 |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
560 |
(* class context initialization *) |
24748 | 561 |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
562 |
fun remove_constraint local_sort c ctxt = |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
563 |
let |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
564 |
val ty = ProofContext.the_const_constraint ctxt c; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
565 |
val ty' = map_atyps (fn ty as TFree (v, _) => if v = Name.aT |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
566 |
then TFree (v, local_sort) else ty | ty => ty) ty; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
567 |
in |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
568 |
ctxt |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
569 |
|> ProofContext.add_const_constraint (c, SOME ty') |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
570 |
end; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
571 |
|
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
572 |
fun sort_term_check sups local_sort ts ctxt = |
24748 | 573 |
let |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
574 |
val thy = ProofContext.theory_of ctxt; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
575 |
val local_operation = local_operation thy sups; |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
576 |
val constraints = these_constraints thy sups; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
577 |
val consts = ProofContext.consts_of ctxt; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
578 |
fun check_typ (c, ty) (t', idx) = case nth (Consts.typargs consts (c, ty)) idx |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
579 |
of TFree (v, _) => if v = Name.aT |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
580 |
then apfst (AList.update (op =) ((c, ty), t')) else I |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
581 |
| TVar (vi, _) => if TypeInfer.is_param vi |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
582 |
then apfst (AList.update (op =) ((c, ty), t')) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
583 |
#> apsnd (insert (op =) vi) else I |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
584 |
| _ => I; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
585 |
fun add_const (Const (c, ty)) = (case local_operation c |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
586 |
of SOME (t', idx) => check_typ (c, ty) (t', idx) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
587 |
| NONE => I) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
588 |
| add_const _ = I; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
589 |
val (cs, typarams) = (fold o fold_aterms) add_const ts ([], []); |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
590 |
val ts' = map (map_aterms |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
591 |
(fn t as Const (c, ty) => the_default t (AList.lookup (op =) cs (c, ty)) | t => t) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
592 |
#> (map_types o map_type_tvar) (fn var as (vi, _) => if member (op =) typarams vi |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
593 |
then TFree (Name.aT, local_sort) else TVar var)) ts; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
594 |
val ctxt' = fold (ProofContext.add_const_constraint o apsnd SOME) constraints ctxt; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
595 |
in (ts', ctxt') end; |
24748 | 596 |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
597 |
fun init_class_ctxt sups local_sort ctxt = |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
598 |
let |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
599 |
val operations = these_operations (ProofContext.theory_of ctxt) sups; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
600 |
in |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
601 |
ctxt |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
602 |
|> Variable.declare_term |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
603 |
(Logic.mk_type (TFree (Name.aT, local_sort))) |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
604 |
|> fold (remove_constraint local_sort o fst) operations |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
605 |
|> Context.proof_map (Syntax.add_term_check 50 "class" |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
606 |
(sort_term_check sups local_sort)) |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
607 |
end; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
608 |
|
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
609 |
fun init class ctxt = |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
610 |
init_class_ctxt [class] |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
611 |
((#local_sort o the_class_data (ProofContext.theory_of ctxt)) class) ctxt; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
612 |
|
24748 | 613 |
|
24589 | 614 |
(* class definition *) |
24218 | 615 |
|
616 |
local |
|
617 |
||
24707 | 618 |
fun read_param thy raw_t = (* FIXME ProofContext.read_const (!?) *) |
24218 | 619 |
let |
24707 | 620 |
val t = Syntax.read_term_global thy raw_t |
24218 | 621 |
in case try dest_Const t |
622 |
of SOME (c, _) => c |
|
623 |
| NONE => error ("Not a constant: " ^ Sign.string_of_term thy t) |
|
624 |
end; |
|
625 |
||
24748 | 626 |
fun gen_class_spec prep_class prep_expr process_expr thy raw_supclasses raw_includes_elems = |
24218 | 627 |
let |
24748 | 628 |
val supclasses = map (prep_class thy) raw_supclasses; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
629 |
val (sups, local_sort) = sups_local_sort thy supclasses; |
24748 | 630 |
val supsort = Sign.minimize_sort thy supclasses; |
631 |
val suplocales = map (Locale.Locale o #locale o the_class_data thy) sups; |
|
632 |
val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e) |
|
633 |
| Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []); |
|
634 |
val supexpr = Locale.Merge suplocales; |
|
635 |
val supparams = (map fst o Locale.parameters_of_expr thy) supexpr; |
|
636 |
val supconsts = AList.make (the o AList.lookup (op =) (params_of_sort thy sups)) |
|
637 |
(map fst supparams); |
|
638 |
val mergeexpr = Locale.Merge (suplocales @ includes); |
|
639 |
val constrain = Element.Constrains ((map o apsnd o map_atyps) |
|
24847 | 640 |
(fn TFree (_, sort) => TFree (Name.aT, sort)) supparams); |
24748 | 641 |
in |
642 |
ProofContext.init thy |
|
643 |
|> Locale.cert_expr supexpr [constrain] |
|
644 |
|> snd |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
645 |
|> init_class_ctxt sups local_sort |
24748 | 646 |
|> process_expr Locale.empty raw_elems |
647 |
|> fst |
|
24836 | 648 |
|> (fn elems => ((((sups, supconsts), (supsort, local_sort, mergeexpr)), |
24748 | 649 |
(*FIXME*) if null includes then constrain :: elems else elems))) |
650 |
end; |
|
651 |
||
652 |
val read_class_spec = gen_class_spec Sign.intern_class Locale.intern_expr Locale.read_expr; |
|
653 |
val check_class_spec = gen_class_spec (K I) (K I) Locale.cert_expr; |
|
654 |
||
655 |
fun gen_class prep_spec prep_param local_syntax bname |
|
656 |
raw_supclasses raw_includes_elems raw_other_consts thy = |
|
657 |
let |
|
24836 | 658 |
val (((sups, supconsts), (supsort, local_sort, mergeexpr)), elems) = |
24748 | 659 |
prep_spec thy raw_supclasses raw_includes_elems; |
660 |
val other_consts = map (prep_param thy) raw_other_consts; |
|
24589 | 661 |
fun mk_instT class = Symtab.empty |
24847 | 662 |
|> Symtab.update (Name.aT, TFree (Name.aT, [class])); |
24589 | 663 |
fun mk_inst class param_names cs = |
664 |
Symtab.empty |
|
665 |
|> fold2 (fn v => fn (c, ty) => Symtab.update (v, Const |
|
666 |
(c, Term.map_type_tfree (fn (v, _) => TFree (v, [class])) ty))) param_names cs; |
|
24218 | 667 |
fun extract_params thy name_locale = |
668 |
let |
|
669 |
val params = Locale.parameters_of thy name_locale; |
|
24748 | 670 |
val _ = if Sign.subsort thy (supsort, local_sort) then () else error |
671 |
("Sort " ^ Sign.string_of_sort thy local_sort |
|
672 |
^ " is less general than permitted least general sort " |
|
673 |
^ Sign.string_of_sort thy supsort); |
|
24218 | 674 |
in |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
675 |
(map fst params, params |
24847 | 676 |
|> (map o apfst o apsnd o Term.map_type_tfree) (K (TFree (Name.aT, local_sort))) |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
677 |
|> (map o apsnd) (fork_mixfix true (SOME "") #> fst) |
24218 | 678 |
|> chop (length supconsts) |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
679 |
|> snd) |
24218 | 680 |
end; |
681 |
fun extract_assumes name_locale params thy cs = |
|
682 |
let |
|
683 |
val consts = supconsts @ (map (fst o fst) params ~~ cs); |
|
684 |
fun subst (Free (c, ty)) = |
|
685 |
Const ((fst o the o AList.lookup (op =) consts) c, ty) |
|
686 |
| subst t = t; |
|
687 |
fun prep_asm ((name, atts), ts) = |
|
688 |
((NameSpace.base name, map (Attrib.attribute thy) atts), |
|
24589 | 689 |
(map o map_aterms) subst ts); |
24218 | 690 |
in |
691 |
Locale.global_asms_of thy name_locale |
|
692 |
|> map prep_asm |
|
693 |
end; |
|
694 |
fun note_intro name_axclass class_intro = |
|
695 |
PureThy.note_thmss_qualified "" ((Logic.const_of_class o NameSpace.base) name_axclass) |
|
696 |
[(("intro", []), [([class_intro], [])])] |
|
697 |
#> snd |
|
698 |
in |
|
699 |
thy |
|
24748 | 700 |
|> Locale.add_locale_i (SOME "") bname mergeexpr elems |
24218 | 701 |
|-> (fn name_locale => ProofContext.theory_result ( |
702 |
`(fn thy => extract_params thy name_locale) |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
703 |
#-> (fn (globals, params) => |
24589 | 704 |
AxClass.define_class_params (bname, supsort) params |
705 |
(extract_assumes name_locale params) other_consts |
|
706 |
#-> (fn (name_axclass, (consts, axioms)) => |
|
24218 | 707 |
`(fn thy => class_intro thy name_locale name_axclass sups) |
708 |
#-> (fn class_intro => |
|
709 |
add_class_data ((name_axclass, sups), |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
710 |
(name_locale, map fst params ~~ consts, local_sort, |
24657 | 711 |
(mk_instT name_axclass, mk_inst name_axclass (map fst globals) |
24748 | 712 |
(map snd supconsts @ consts)), class_intro, local_syntax)) |
24218 | 713 |
#> note_intro name_axclass class_intro |
24589 | 714 |
#> class_interpretation name_axclass axioms [] |
24218 | 715 |
#> pair name_axclass |
716 |
))))) |
|
717 |
end; |
|
718 |
||
719 |
in |
|
720 |
||
24748 | 721 |
val class_cmd = gen_class read_class_spec read_param; |
722 |
val class = gen_class check_class_spec (K I); |
|
24218 | 723 |
|
724 |
end; (*local*) |
|
725 |
||
726 |
||
24589 | 727 |
(* definition in class target *) |
24218 | 728 |
|
729 |
fun export_fixes thy class = |
|
730 |
let |
|
24435 | 731 |
val consts = params_of_sort thy [class]; |
24218 | 732 |
fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) consts v |
733 |
of SOME (c, _) => Const (c, ty) |
|
734 |
| NONE => t) |
|
735 |
| subst_aterm t = t; |
|
24657 | 736 |
in Term.map_aterms subst_aterm end; |
24218 | 737 |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
738 |
fun mk_operation_entry thy (c, rhs) = |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
739 |
let |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
740 |
val ty = fastype_of rhs; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
741 |
val typargs = Sign.const_typargs thy (c, ty); |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
742 |
val typidx = find_index (fn TFree (w, _) => Name.aT = w | _ => false) typargs; |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
743 |
in (c, (ty, (rhs, typidx))) end; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
744 |
|
24218 | 745 |
fun add_const_in_class class ((c, rhs), syn) thy = |
746 |
let |
|
747 |
val prfx = (Logic.const_of_class o NameSpace.base) class; |
|
24657 | 748 |
fun mk_name c = |
24218 | 749 |
let |
750 |
val n1 = Sign.full_name thy c; |
|
751 |
val n2 = NameSpace.qualifier n1; |
|
752 |
val n3 = NameSpace.base n1; |
|
24657 | 753 |
in NameSpace.implode [n2, prfx, n3] end; |
754 |
val constrain_sort = curry (Sorts.inter_sort (Sign.classes_of thy)) [class]; |
|
24748 | 755 |
val rhs' = export_fixes thy class rhs; |
24657 | 756 |
val subst_typ = Term.map_type_tfree (fn var as (w, sort) => |
24847 | 757 |
if w = Name.aT then TFree (w, constrain_sort sort) else TFree var); |
24218 | 758 |
val ty' = Term.fastype_of rhs'; |
24657 | 759 |
val ty'' = subst_typ ty'; |
760 |
val c' = mk_name c; |
|
761 |
val def = (c, Logic.mk_equals (Const (c', ty'), rhs')); |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
762 |
val (syn', _) = fork_mixfix true (SOME class) syn; |
24657 | 763 |
fun interpret def thy = |
24218 | 764 |
let |
24589 | 765 |
val def' = symmetric def; |
24218 | 766 |
val def_eq = Thm.prop_of def'; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
767 |
val entry = mk_operation_entry thy (c', rhs); |
24218 | 768 |
in |
24657 | 769 |
thy |
770 |
|> class_interpretation class [def'] [def_eq] |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
771 |
|> register_const class (entry, def') |
24218 | 772 |
end; |
773 |
in |
|
774 |
thy |
|
775 |
|> Sign.add_path prfx |
|
24770
695a8e087b9f
Sign.add_consts_authentic: tags (Markup.property list);
wenzelm
parents:
24766
diff
changeset
|
776 |
|> Sign.add_consts_authentic [] [(c, ty', syn')] |
24218 | 777 |
|> Sign.parent_path |
778 |
|> Sign.sticky_prefix prfx |
|
779 |
|> PureThy.add_defs_i false [(def, [])] |
|
780 |
|-> (fn [def] => interpret def) |
|
24766 | 781 |
|> Sign.add_const_constraint (c', SOME ty'') |
24218 | 782 |
|> Sign.restore_naming thy |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
783 |
|> pair c' |
24218 | 784 |
end; |
785 |
||
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
786 |
|
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
787 |
(* abbreviation in class target *) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
788 |
|
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
789 |
fun add_abbrev_in_class class prmode ((c, rhs), syn) thy = |
24836 | 790 |
let |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
791 |
val prfx = (Logic.const_of_class o NameSpace.base) class; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
792 |
fun mk_name c = |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
793 |
let |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
794 |
val n1 = Sign.full_name thy c; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
795 |
val n2 = NameSpace.qualifier n1; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
796 |
val n3 = NameSpace.base n1; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
797 |
in NameSpace.implode [n2, prfx, prfx, n3] end; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
798 |
val c' = mk_name c; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
799 |
val rhs' = export_fixes thy class rhs; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
800 |
val ty' = fastype_of rhs'; |
24836 | 801 |
in |
802 |
thy |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
803 |
|> Sign.add_notation prmode [(Const (c', ty'), syn)] |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
804 |
|> register_abbrev class (c', ty') |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
805 |
|> pair c' |
24836 | 806 |
end; |
807 |
||
24218 | 808 |
end; |