author | haftmann |
Tue, 16 Oct 2007 23:12:45 +0200 | |
changeset 25062 | af5ef0d4d655 |
parent 25060 | 17c313217998 |
child 25066 | 344b9611c150 |
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 -> bool -> mixfix -> (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: 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: 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 * mixfix) * term |
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-> theory -> string * theory |
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val add_abbrev_in_class: string -> Syntax.mode -> (string * mixfix) * term |
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-> theory -> string * theory |
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val remove_constraint: class -> string -> Proof.context -> Proof.context |
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val is_class: theory -> class -> bool |
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val these_params: theory -> sort -> (string * (string * typ)) list |
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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 print_classes: theory -> unit |
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val uncheck: bool ref |
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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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end; |
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structure Class : CLASS = |
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struct |
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(** auxiliary **) |
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val classN = "class"; |
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val introN = "intro"; |
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fun fork_mixfix false _ mx = ((NoSyn, NoSyn), mx) |
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| fork_mixfix true false mx = ((NoSyn, mx), NoSyn) |
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| fork_mixfix true true mx = ((mx, NoSyn), NoSyn); |
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(*let |
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val mx' = Syntax.unlocalize_mixfix mx; |
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in if mx' = mx then ((NoSyn, mx), NoSyn) else ((mx', mx), NoSyn) end;*) |
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fun prove_interpretation tac prfx_atts expr inst = |
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Locale.interpretation_i I prfx_atts expr inst |
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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 = thm1 RSN (Thm.nprems_of thm2, thm2); |
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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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fun get_remove_global_constraint c thy = |
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let |
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val ty = Sign.the_const_constraint thy c; |
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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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(** 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 thy = (Symtab.fold (Symtab.fold (cons 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 true (inst_thms thy); |
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fun overload thy = MetaSimplifier.rewrite true (map Thm.symmetric (inst_thms 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 = Sign.base_name tyco; |
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val name_inst = Sign.base_name class ^ "_" ^ tyco_base ^ "_inst"; |
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val c_inst_base = Sign.base_name 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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|> Sign.declare_const [] (c_inst_base, ty, NoSyn) |
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|-> (fn const as Const (c_inst, _) => |
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PureThy.add_defs_i false |
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[((Thm.def_name c_inst_base, Logic.mk_equals (const, Const (c, ty))), [])] |
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#-> (fn [thm] => add_inst (c, tyco) (c_inst, Thm.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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||
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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); |
24304 | 213 |
in |
214 |
thy |
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|> PureThy.add_defs_i true [((name, prop), map (Attrib.attribute_i thy) atts)] |
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|-> (fn [def] => add_inst' def (args, rhs) #> pair def) |
217 |
end; |
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||
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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) = |
24218 | 225 |
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 ctxt 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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||
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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); |
238 |
||
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fun gen_instance prep_arity read_def do_proof raw_arities raw_defs after_qed theory = |
24218 | 240 |
let |
241 |
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 |
244 |
of [] => () |
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| dupl_tycos => error ("Type constructors occur more than once in arities: " |
246 |
^ commas_quote dupl_tycos); |
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fun get_consts_class tyco ty class = |
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let |
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val cs = (these o try (#params o AxClass.get_info theory)) class; |
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val subst_ty = map_type_tfree (K ty); |
251 |
in |
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24304 | 252 |
map (fn (c, ty) => (c, ((class, tyco), subst_ty ty))) cs |
24218 | 253 |
end; |
254 |
fun get_consts_sort (tyco, asorts, sort) = |
|
255 |
let |
|
24589 | 256 |
val ty = Type (tyco, map (fn (v, sort) => TVar ((v, 0), sort)) |
24847 | 257 |
(Name.names Name.context Name.aT asorts)) |
24731 | 258 |
in maps (get_consts_class tyco ty) (Sign.complete_sort theory sort) end; |
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val cs = maps get_consts_sort arities; |
260 |
fun mk_typnorm thy (ty, ty_sc) = |
|
261 |
case try (Sign.typ_match thy (Logic.varifyT ty_sc, ty)) Vartab.empty |
|
262 |
of SOME env => SOME (Logic.varifyT #> Envir.typ_subst_TVars env #> Logic.unvarifyT) |
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263 |
| NONE => NONE; |
|
264 |
fun read_defs defs cs thy_read = |
|
265 |
let |
|
266 |
fun read raw_def cs = |
|
267 |
let |
|
268 |
val (c, (inst, ((name_opt, t), atts))) = read_def thy_read raw_def; |
|
269 |
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 |
25020 | 271 |
of NONE => error ("Illegal definition for constant " ^ quote c) |
24218 | 272 |
| SOME class_ty => class_ty; |
273 |
val name = case name_opt |
|
274 |
of NONE => Thm.def_name (Logic.name_arity (tyco, [], c)) |
|
275 |
| SOME name => name; |
|
276 |
val t' = case mk_typnorm thy_read (ty', ty) |
|
25020 | 277 |
of NONE => error ("Illegal definition for constant " ^ |
24218 | 278 |
quote (c ^ "::" ^ setmp show_sorts true |
279 |
(Sign.string_of_typ thy_read) ty)) |
|
280 |
| SOME norm => map_types norm t |
|
281 |
in (((class, tyco), ((name, t'), atts)), AList.delete (op =) c cs) end; |
|
282 |
in fold_map read defs cs end; |
|
24304 | 283 |
val (defs, other_cs) = read_defs raw_defs cs |
24218 | 284 |
(fold Sign.primitive_arity arities (Theory.copy theory)); |
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fun after_qed' cs defs = |
24766 | 286 |
fold Sign.add_const_constraint (map (apsnd SOME) cs) |
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287 |
#> after_qed defs; |
24218 | 288 |
in |
289 |
theory |
|
25038 | 290 |
|> fold_map get_remove_global_constraint (map fst cs |> distinct (op =)) |
24304 | 291 |
||>> fold_map add_def defs |
292 |
||> 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 | 294 |
end; |
295 |
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fun tactic_proof tac f arities defs = |
24218 | 297 |
fold (fn arity => AxClass.prove_arity arity tac) arities |
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#> f |
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299 |
#> pair defs; |
24218 | 300 |
|
301 |
in |
|
302 |
||
24589 | 303 |
val instance = gen_instance Sign.cert_arity read_def |
304 |
(fn f => fn arities => fn defs => instance_arity f arities); |
|
305 |
val instance_cmd = gen_instance Sign.read_arity read_def_cmd |
|
306 |
(fn f => fn arities => fn defs => instance_arity f arities); |
|
307 |
fun prove_instance tac arities defs = |
|
308 |
gen_instance Sign.cert_arity read_def |
|
309 |
(tactic_proof tac) arities defs (K I); |
|
24218 | 310 |
|
311 |
end; (*local*) |
|
312 |
||
313 |
||
314 |
||
24589 | 315 |
(** class data **) |
24218 | 316 |
|
317 |
datatype class_data = ClassData of { |
|
318 |
consts: (string * string) list |
|
24836 | 319 |
(*locale parameter ~> constant name*), |
25062 | 320 |
base_sort: sort, |
25038 | 321 |
inst: (typ option list * term option list) * term Symtab.table |
322 |
(*canonical interpretation FIXME*), |
|
25062 | 323 |
morphism: morphism, |
324 |
(*partial morphism of canonical interpretation*) |
|
24657 | 325 |
intro: thm, |
326 |
defs: thm list, |
|
25062 | 327 |
operations: (string * ((term * typ) * (typ * int))) list |
328 |
(*constant name ~> (locale term & typ, |
|
329 |
(constant constraint, instantiaton index of class typ))*) |
|
24657 | 330 |
}; |
24218 | 331 |
|
24657 | 332 |
fun rep_class_data (ClassData d) = d; |
25062 | 333 |
fun mk_class_data ((consts, base_sort, inst, morphism, intro), |
334 |
(defs, operations)) = |
|
335 |
ClassData { consts = consts, base_sort = base_sort, inst = inst, |
|
336 |
morphism = morphism, intro = intro, defs = defs, |
|
337 |
operations = operations }; |
|
338 |
fun map_class_data f (ClassData { consts, base_sort, inst, morphism, intro, |
|
339 |
defs, operations }) = |
|
340 |
mk_class_data (f ((consts, base_sort, inst, morphism, intro), |
|
341 |
(defs, operations))); |
|
25038 | 342 |
fun merge_class_data _ (ClassData { consts = consts, |
25062 | 343 |
base_sort = base_sort, inst = inst, morphism = morphism, intro = intro, |
344 |
defs = defs1, operations = operations1 }, |
|
345 |
ClassData { consts = _, base_sort = _, inst = _, morphism = _, intro = _, |
|
346 |
defs = defs2, operations = operations2 }) = |
|
347 |
mk_class_data ((consts, base_sort, inst, morphism, intro), |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
348 |
(Thm.merge_thms (defs1, defs2), |
25062 | 349 |
AList.merge (op =) (K true) (operations1, operations2))); |
24218 | 350 |
|
351 |
structure ClassData = TheoryDataFun |
|
352 |
( |
|
25038 | 353 |
type T = class_data Graph.T |
354 |
val empty = Graph.empty; |
|
24218 | 355 |
val copy = I; |
356 |
val extend = I; |
|
25038 | 357 |
fun merge _ = Graph.join merge_class_data; |
24218 | 358 |
); |
359 |
||
360 |
||
361 |
(* queries *) |
|
362 |
||
25038 | 363 |
val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node o ClassData.get; |
24218 | 364 |
|
24589 | 365 |
fun the_class_data thy class = case lookup_class_data thy class |
25020 | 366 |
of NONE => error ("Undeclared class " ^ quote class) |
24589 | 367 |
| SOME data => data; |
24218 | 368 |
|
25038 | 369 |
val is_class = is_some oo lookup_class_data; |
370 |
||
371 |
val ancestry = Graph.all_succs o ClassData.get; |
|
24218 | 372 |
|
25002 | 373 |
fun these_params thy = |
24218 | 374 |
let |
375 |
fun params class = |
|
376 |
let |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
377 |
val const_typs = (#params o AxClass.get_info thy) class; |
24657 | 378 |
val const_names = (#consts o the_class_data thy) class; |
24218 | 379 |
in |
380 |
(map o apsnd) (fn c => (c, (the o AList.lookup (op =) const_typs) c)) const_names |
|
381 |
end; |
|
382 |
in maps params o ancestry thy end; |
|
383 |
||
24657 | 384 |
fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy; |
24218 | 385 |
|
25062 | 386 |
fun morphism thy = #morphism o the_class_data thy; |
387 |
||
24218 | 388 |
fun these_intros thy = |
24657 | 389 |
Graph.fold (fn (_, (data, _)) => insert Thm.eq_thm ((#intro o rep_class_data) data)) |
25038 | 390 |
(ClassData.get thy) []; |
24218 | 391 |
|
24836 | 392 |
fun these_operations thy = |
393 |
maps (#operations o the_class_data thy) o ancestry thy; |
|
24657 | 394 |
|
25002 | 395 |
fun local_operation thy = AList.lookup (op =) o these_operations thy; |
396 |
||
25062 | 397 |
fun sups_base_sort thy sort = |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
398 |
let |
25062 | 399 |
val sups = filter (is_class thy) sort |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
400 |
|> Sign.minimize_sort thy; |
25062 | 401 |
val base_sort = case sups |
402 |
of _ :: _ => maps (#base_sort o the_class_data thy) sups |
|
403 |
|> Sign.minimize_sort thy |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
404 |
| [] => sort; |
25062 | 405 |
in (sups, base_sort) end; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
406 |
|
24218 | 407 |
fun print_classes thy = |
408 |
let |
|
24920 | 409 |
val ctxt = ProofContext.init thy; |
24218 | 410 |
val algebra = Sign.classes_of thy; |
411 |
val arities = |
|
412 |
Symtab.empty |
|
413 |
|> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) => |
|
414 |
Symtab.map_default (class, []) (insert (op =) tyco)) arities) |
|
415 |
((#arities o Sorts.rep_algebra) algebra); |
|
416 |
val the_arities = these o Symtab.lookup arities; |
|
417 |
fun mk_arity class tyco = |
|
418 |
let |
|
419 |
val Ss = Sorts.mg_domain algebra tyco [class]; |
|
24920 | 420 |
in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end; |
24218 | 421 |
fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: " |
24920 | 422 |
^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty); |
24218 | 423 |
fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [ |
25062 | 424 |
(SOME o Pretty.str) ("class " ^ Sign.extern_class thy class ^ ":"), |
24218 | 425 |
(SOME o Pretty.block) [Pretty.str "supersort: ", |
24920 | 426 |
(Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class], |
25062 | 427 |
if is_class thy class then (SOME o Pretty.str) |
428 |
("locale: " ^ Locale.extern thy class) else NONE, |
|
429 |
((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks) |
|
430 |
(Pretty.str "parameters:" :: ps)) o map mk_param |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
431 |
o these o Option.map #params o try (AxClass.get_info thy)) class, |
24218 | 432 |
(SOME o Pretty.block o Pretty.breaks) [ |
433 |
Pretty.str "instances:", |
|
434 |
Pretty.list "" "" (map (mk_arity class) (the_arities class)) |
|
435 |
] |
|
436 |
] |
|
437 |
in |
|
24589 | 438 |
(Pretty.writeln o Pretty.chunks o separate (Pretty.str "") |
439 |
o map mk_entry o Sorts.all_classes) algebra |
|
24218 | 440 |
end; |
441 |
||
442 |
||
443 |
(* updaters *) |
|
444 |
||
25062 | 445 |
fun add_class_data ((class, superclasses), (cs, base_sort, inst, phi, intro)) thy = |
25002 | 446 |
let |
25038 | 447 |
(*FIXME*) |
448 |
val is_empty = null (fold (fn ((_, ty), _) => fold_atyps cons ty) cs []) |
|
449 |
andalso null ((fold o fold_types o fold_atyps) cons |
|
450 |
(maps snd (Locale.global_asms_of thy class)) []); |
|
451 |
(*FIXME*) |
|
452 |
val inst_params = map |
|
453 |
(SOME o the o Symtab.lookup inst o fst o fst) |
|
454 |
(Locale.parameters_of_expr thy (Locale.Locale class)); |
|
455 |
val instT = if is_empty then [] else [SOME (TFree (Name.aT, [class]))]; |
|
456 |
val inst' = ((instT, inst_params), inst); |
|
25062 | 457 |
val operations = map (fn (v_ty as (_, ty'), (c, ty)) => |
458 |
(c, ((Free v_ty, ty'), (Logic.varifyT ty, 0)))) cs; |
|
25002 | 459 |
val cs = (map o pairself) fst cs; |
25038 | 460 |
val add_class = Graph.new_node (class, |
25062 | 461 |
mk_class_data ((cs, base_sort, inst', phi, intro), ([], operations))) |
25002 | 462 |
#> fold (curry Graph.add_edge class) superclasses; |
463 |
in |
|
25038 | 464 |
ClassData.map add_class thy |
25002 | 465 |
end; |
24218 | 466 |
|
25062 | 467 |
fun register_operation class ((c, rhs), some_def) thy = |
468 |
let |
|
469 |
val ty = Sign.the_const_constraint thy c; |
|
470 |
val typargs = Sign.const_typargs thy (c, ty); |
|
471 |
val typidx = find_index (fn TVar ((v, _), _) => Name.aT = v | _ => false) typargs; |
|
472 |
val ty' = Term.fastype_of rhs; |
|
473 |
in |
|
474 |
thy |
|
475 |
|> (ClassData.map o Graph.map_node class o map_class_data o apsnd) |
|
476 |
(fn (defs, operations) => |
|
477 |
(case some_def of NONE => defs | SOME def => def :: defs, |
|
478 |
(c, ((rhs, ty'), (ty, typidx))) :: operations)) |
|
479 |
end; |
|
24218 | 480 |
|
24589 | 481 |
|
482 |
(** rule calculation, tactics and methods **) |
|
483 |
||
25024 | 484 |
val class_prefix = Logic.const_of_class o Sign.base_name; |
485 |
||
25062 | 486 |
fun calculate_morphism class cs = |
487 |
let |
|
488 |
val subst_typ = Term.map_type_tfree (fn var as (v, sort) => |
|
489 |
if v = Name.aT then TVar ((v, 0), [class]) else TVar ((v, 0), sort)); |
|
490 |
fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) cs v |
|
491 |
of SOME (c, _) => Const (c, ty) |
|
492 |
| NONE => t) |
|
493 |
| subst_aterm t = t; |
|
494 |
val subst_term = map_aterms subst_aterm #> map_types subst_typ; |
|
495 |
in |
|
496 |
Morphism.identity |
|
497 |
$> Morphism.term_morphism subst_term |
|
498 |
$> Morphism.typ_morphism subst_typ |
|
499 |
end; |
|
500 |
||
25038 | 501 |
fun class_intro thy class sups = |
24589 | 502 |
let |
503 |
fun class_elim class = |
|
25020 | 504 |
case (#axioms o AxClass.get_info thy) class |
505 |
of [thm] => SOME (Drule.unconstrainTs thm) |
|
24589 | 506 |
| [] => NONE; |
25038 | 507 |
val pred_intro = case Locale.intros thy class |
24589 | 508 |
of ([ax_intro], [intro]) => intro |> OF_LAST ax_intro |> SOME |
509 |
| ([intro], []) => SOME intro |
|
510 |
| ([], [intro]) => SOME intro |
|
511 |
| _ => NONE; |
|
512 |
val pred_intro' = pred_intro |
|
513 |
|> 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
|
514 |
val class_intro = (#intro o AxClass.get_info thy) class; |
24589 | 515 |
val raw_intro = case pred_intro' |
516 |
of SOME pred_intro => class_intro |> OF_LAST pred_intro |
|
517 |
| NONE => class_intro; |
|
518 |
val sort = Sign.super_classes thy class; |
|
24847 | 519 |
val typ = TVar ((Name.aT, 0), sort); |
24589 | 520 |
val defs = these_defs thy sups; |
521 |
in |
|
522 |
raw_intro |
|
523 |
|> Drule.instantiate' [SOME (Thm.ctyp_of thy typ)] [] |
|
524 |
|> strip_all_ofclass thy sort |
|
525 |
|> Thm.strip_shyps |
|
526 |
|> MetaSimplifier.rewrite_rule defs |
|
527 |
|> Drule.unconstrainTs |
|
528 |
end; |
|
529 |
||
530 |
fun class_interpretation class facts defs thy = |
|
531 |
let |
|
25038 | 532 |
val params = these_params thy [class]; |
533 |
val { inst = ((_, inst), _), ... } = the_class_data thy class; |
|
25020 | 534 |
val tac = ALLGOALS (ProofContext.fact_tac facts); |
25038 | 535 |
val prfx = class_prefix class; |
24589 | 536 |
in |
25038 | 537 |
thy |
538 |
|> fold_map (get_remove_global_constraint o fst o snd) params |
|
539 |
||> prove_interpretation tac ((false, prfx), []) (Locale.Locale class) (inst, defs) |
|
540 |
|-> (fn cs => fold (Sign.add_const_constraint o apsnd SOME) cs) |
|
24589 | 541 |
end; |
24218 | 542 |
|
543 |
fun intro_classes_tac facts st = |
|
544 |
let |
|
545 |
val thy = Thm.theory_of_thm st; |
|
546 |
val classes = Sign.all_classes thy; |
|
547 |
val class_trivs = map (Thm.class_triv thy) classes; |
|
548 |
val class_intros = these_intros thy; |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
549 |
val axclass_intros = map_filter (try (#intro o AxClass.get_info thy)) classes; |
24218 | 550 |
in |
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
551 |
(ALLGOALS (Method.insert_tac facts THEN' |
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
552 |
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
|
553 |
THEN Tactic.distinct_subgoals_tac) st |
24218 | 554 |
end; |
555 |
||
556 |
fun default_intro_classes_tac [] = intro_classes_tac [] |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
557 |
| default_intro_classes_tac _ = no_tac; |
24218 | 558 |
|
559 |
fun default_tac rules ctxt facts = |
|
560 |
HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE |
|
561 |
default_intro_classes_tac facts; |
|
562 |
||
563 |
val _ = Context.add_setup (Method.add_methods |
|
564 |
[("intro_classes", Method.no_args (Method.METHOD intro_classes_tac), |
|
565 |
"back-chain introduction rules of classes"), |
|
566 |
("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), |
|
567 |
"apply some intro/elim rule")]); |
|
568 |
||
569 |
||
24589 | 570 |
(** classes and class target **) |
24218 | 571 |
|
25002 | 572 |
(* class context syntax *) |
24748 | 573 |
|
25062 | 574 |
fun internal_remove_constraint base_sort (c, (_, (ty, _))) ctxt = |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
575 |
let |
25062 | 576 |
val ty' = ty |
577 |
|> map_atyps (fn ty as TVar ((v, 0), _) => |
|
578 |
if v = Name.aT then TVar ((v, 0), base_sort) else ty) |
|
579 |
|> SOME; |
|
580 |
in ProofContext.add_const_constraint (c, ty') ctxt end; |
|
25002 | 581 |
|
582 |
fun remove_constraint class c ctxt = |
|
583 |
let |
|
584 |
val thy = ProofContext.theory_of ctxt; |
|
25062 | 585 |
val base_sort = (#base_sort o the_class_data thy) class; |
25002 | 586 |
val SOME entry = local_operation thy [class] c; |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
587 |
in |
25062 | 588 |
internal_remove_constraint base_sort (c, entry) ctxt |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
589 |
end; |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
590 |
|
25062 | 591 |
fun sort_term_check sups base_sort ts ctxt = |
24748 | 592 |
let |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
593 |
val thy = ProofContext.theory_of ctxt; |
25062 | 594 |
val local_operation = local_operation thy sups o fst; |
595 |
val typargs = Consts.typargs (ProofContext.consts_of ctxt); |
|
25002 | 596 |
val constraints = these_operations thy sups |> (map o apsnd) (fst o snd); |
25062 | 597 |
fun check_typ (c, ty) (TFree (v, _)) t = if v = Name.aT |
598 |
then apfst (AList.update (op =) ((c, ty), t)) else I |
|
599 |
| check_typ (c, ty) (TVar (vi, _)) t = if TypeInfer.is_param vi |
|
600 |
then apfst (AList.update (op =) ((c, ty), t)) |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
601 |
#> apsnd (insert (op =) vi) else I |
25062 | 602 |
| check_typ _ _ _ = I; |
603 |
fun check_const (c, ty) ((t, _), (_, idx)) = |
|
604 |
check_typ (c, ty) (nth (typargs (c, ty)) idx) t; |
|
605 |
fun add_const (Const c_ty) = Option.map (check_const c_ty) (local_operation c_ty) |
|
606 |
|> the_default I |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
607 |
| add_const _ = I; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
608 |
val (cs, typarams) = (fold o fold_aterms) add_const ts ([], []); |
25062 | 609 |
val subst_typ = map_type_tvar (fn var as (vi, _) => |
610 |
if member (op =) typarams vi then TFree (Name.aT, base_sort) else TVar var); |
|
611 |
val subst_term = map_aterms |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
612 |
(fn t as Const (c, ty) => the_default t (AList.lookup (op =) cs (c, ty)) | t => t) |
25062 | 613 |
#> map_types subst_typ; |
614 |
val ts' = map subst_term ts; |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
615 |
val ctxt' = fold (ProofContext.add_const_constraint o apsnd SOME) constraints ctxt; |
25060 | 616 |
in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', ctxt') end; |
24748 | 617 |
|
25062 | 618 |
val uncheck = ref true; |
25002 | 619 |
|
620 |
fun sort_term_uncheck sups ts ctxt = |
|
621 |
let |
|
25062 | 622 |
(*FIXME abbreviations*) |
25002 | 623 |
val thy = ProofContext.theory_of ctxt; |
25062 | 624 |
fun rew_app f (t1 $ t2) = rew_app f t1 $ f t2 |
625 |
| rew_app f t = t; |
|
626 |
val rews = map (fn (c, ((t, ty), _)) => (t, Const (c, ty))) (these_operations thy sups); |
|
627 |
val rews' = (map o apfst o rew_app) (Pattern.rewrite_term thy rews []) rews; |
|
628 |
val _ = map (Thm.cterm_of thy o Logic.mk_equals) rews'; |
|
629 |
val ts' = if ! uncheck |
|
630 |
then map (Pattern.rewrite_term thy rews' []) ts else ts; |
|
25060 | 631 |
in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', ctxt) end; |
25002 | 632 |
|
25062 | 633 |
fun init_class_ctxt sups base_sort ctxt = |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
634 |
let |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
635 |
val operations = these_operations (ProofContext.theory_of ctxt) sups; |
25062 | 636 |
fun standard_infer_types ts ctxt = |
637 |
let |
|
638 |
val ts' = ProofContext.standard_infer_types ctxt ts; |
|
639 |
in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', ctxt) end; |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
640 |
in |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
641 |
ctxt |
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
642 |
|> Variable.declare_term |
25062 | 643 |
(Logic.mk_type (TFree (Name.aT, base_sort))) |
644 |
|> fold (internal_remove_constraint base_sort) operations |
|
645 |
|> Context.proof_map (Syntax.add_term_check 1 "class" |
|
646 |
(sort_term_check sups base_sort) |
|
647 |
#> Syntax.add_term_check 1 "standard" standard_infer_types |
|
648 |
#> Syntax.add_term_uncheck (~10) "class" (sort_term_uncheck sups)) |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
649 |
end; |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
650 |
|
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
651 |
fun init class ctxt = |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
652 |
init_class_ctxt [class] |
25062 | 653 |
((#base_sort o the_class_data (ProofContext.theory_of ctxt)) class) ctxt; |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
654 |
|
24748 | 655 |
|
24589 | 656 |
(* class definition *) |
24218 | 657 |
|
658 |
local |
|
659 |
||
24748 | 660 |
fun gen_class_spec prep_class prep_expr process_expr thy raw_supclasses raw_includes_elems = |
24218 | 661 |
let |
24748 | 662 |
val supclasses = map (prep_class thy) raw_supclasses; |
25062 | 663 |
val (sups, base_sort) = sups_base_sort thy supclasses; |
24748 | 664 |
val supsort = Sign.minimize_sort thy supclasses; |
25038 | 665 |
val suplocales = map Locale.Locale sups; |
24748 | 666 |
val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e) |
667 |
| Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []); |
|
668 |
val supexpr = Locale.Merge suplocales; |
|
669 |
val supparams = (map fst o Locale.parameters_of_expr thy) supexpr; |
|
25002 | 670 |
val supconsts = AList.make (the o AList.lookup (op =) (these_params thy sups)) |
24748 | 671 |
(map fst supparams); |
672 |
val mergeexpr = Locale.Merge (suplocales @ includes); |
|
673 |
val constrain = Element.Constrains ((map o apsnd o map_atyps) |
|
24847 | 674 |
(fn TFree (_, sort) => TFree (Name.aT, sort)) supparams); |
24748 | 675 |
in |
676 |
ProofContext.init thy |
|
677 |
|> Locale.cert_expr supexpr [constrain] |
|
678 |
|> snd |
|
25062 | 679 |
|> init_class_ctxt sups base_sort |
24748 | 680 |
|> process_expr Locale.empty raw_elems |
681 |
|> fst |
|
25062 | 682 |
|> (fn elems => ((((sups, supconsts), (supsort, base_sort, mergeexpr)), |
24748 | 683 |
(*FIXME*) if null includes then constrain :: elems else elems))) |
684 |
end; |
|
685 |
||
686 |
val read_class_spec = gen_class_spec Sign.intern_class Locale.intern_expr Locale.read_expr; |
|
687 |
val check_class_spec = gen_class_spec (K I) (K I) Locale.cert_expr; |
|
688 |
||
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
689 |
fun define_class_params (name, raw_superclasses) raw_consts raw_dep_axioms other_consts thy = |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
690 |
let |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
691 |
val superclasses = map (Sign.certify_class thy) raw_superclasses; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
692 |
val consts = (map o apfst o apsnd) (Sign.certify_typ thy) raw_consts; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
693 |
fun add_const ((c, ty), syn) = Sign.declare_const [] (c, ty, syn) #>> Term.dest_Const; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
694 |
fun mk_axioms cs thy = |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
695 |
raw_dep_axioms thy cs |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
696 |
|> (map o apsnd o map) (Sign.cert_prop thy) |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
697 |
|> rpair thy; |
25002 | 698 |
fun constrain_typs class = (map o apsnd o Term.map_type_tfree) |
699 |
(fn (v, _) => TFree (v, [class])) |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
700 |
in |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
701 |
thy |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
702 |
|> Sign.add_path (Logic.const_of_class name) |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
703 |
|> fold_map add_const consts |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
704 |
||> Sign.restore_naming thy |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
705 |
|-> (fn cs => mk_axioms cs |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
706 |
#-> (fn axioms_prop => AxClass.define_class (name, superclasses) |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
707 |
(map fst cs @ other_consts) axioms_prop |
25002 | 708 |
#-> (fn class => `(fn _ => constrain_typs class cs) |
709 |
#-> (fn cs' => `(fn thy => AxClass.get_info thy class) |
|
710 |
#-> (fn {axioms, ...} => fold (Sign.add_const_constraint o apsnd SOME) cs' |
|
711 |
#> pair (class, (cs', axioms))))))) |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
712 |
end; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
713 |
|
25002 | 714 |
fun gen_class prep_spec prep_param bname |
24748 | 715 |
raw_supclasses raw_includes_elems raw_other_consts thy = |
716 |
let |
|
25038 | 717 |
val class = Sign.full_name thy bname; |
25062 | 718 |
val (((sups, supconsts), (supsort, base_sort, mergeexpr)), elems_syn) = |
24748 | 719 |
prep_spec thy raw_supclasses raw_includes_elems; |
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
720 |
val other_consts = map (tap (Sign.the_const_type thy) o prep_param thy) raw_other_consts; |
24589 | 721 |
fun mk_inst class param_names cs = |
722 |
Symtab.empty |
|
723 |
|> fold2 (fn v => fn (c, ty) => Symtab.update (v, Const |
|
724 |
(c, Term.map_type_tfree (fn (v, _) => TFree (v, [class])) ty))) param_names cs; |
|
25062 | 725 |
fun fork_syntax (Element.Fixes xs) = |
726 |
fold_map (fn (c, ty, syn) => cons (c, syn) #> pair (c, ty, NoSyn)) xs |
|
727 |
#>> Element.Fixes |
|
728 |
| fork_syntax x = pair x; |
|
729 |
val (elems, global_syn) = fold_map fork_syntax elems_syn []; |
|
730 |
fun globalize (c, ty) = |
|
731 |
((c, Term.map_type_tfree (K (TFree (Name.aT, base_sort))) ty), |
|
732 |
(the_default NoSyn o AList.lookup (op =) global_syn) c); |
|
25038 | 733 |
fun extract_params thy = |
24218 | 734 |
let |
25062 | 735 |
val params = map fst (Locale.parameters_of thy class); |
24218 | 736 |
in |
25062 | 737 |
(params, (map globalize o snd o chop (length supconsts)) params) |
24218 | 738 |
end; |
25038 | 739 |
fun extract_assumes params thy cs = |
24218 | 740 |
let |
741 |
val consts = supconsts @ (map (fst o fst) params ~~ cs); |
|
742 |
fun subst (Free (c, ty)) = |
|
743 |
Const ((fst o the o AList.lookup (op =) consts) c, ty) |
|
744 |
| subst t = t; |
|
745 |
fun prep_asm ((name, atts), ts) = |
|
25024 | 746 |
((Sign.base_name name, map (Attrib.attribute_i thy) atts), |
24589 | 747 |
(map o map_aterms) subst ts); |
24218 | 748 |
in |
25038 | 749 |
Locale.global_asms_of thy class |
24218 | 750 |
|> map prep_asm |
751 |
end; |
|
752 |
in |
|
753 |
thy |
|
24748 | 754 |
|> Locale.add_locale_i (SOME "") bname mergeexpr elems |
25038 | 755 |
|> snd |
756 |
|> ProofContext.theory (`extract_params |
|
25062 | 757 |
#-> (fn (all_params, params) => |
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
758 |
define_class_params (bname, supsort) params |
25038 | 759 |
(extract_assumes params) other_consts |
760 |
#-> (fn (_, (consts, axioms)) => |
|
761 |
`(fn thy => class_intro thy class sups) |
|
24218 | 762 |
#-> (fn class_intro => |
25062 | 763 |
PureThy.note_thmss_qualified "" (NameSpace.append class classN) |
764 |
[((introN, []), [([class_intro], [])])] |
|
765 |
#-> (fn [(_, [class_intro])] => |
|
25038 | 766 |
add_class_data ((class, sups), |
25062 | 767 |
(map fst params ~~ consts, base_sort, |
768 |
mk_inst class (map fst all_params) (map snd supconsts @ consts), |
|
769 |
calculate_morphism class (supconsts @ (map (fst o fst) params ~~ consts)), class_intro)) |
|
25038 | 770 |
#> class_interpretation class axioms [] |
25062 | 771 |
))))) |
25038 | 772 |
|> pair class |
24218 | 773 |
end; |
774 |
||
775 |
in |
|
776 |
||
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
777 |
val class_cmd = gen_class read_class_spec ((#1 o Term.dest_Const) oo Sign.read_const); |
24748 | 778 |
val class = gen_class check_class_spec (K I); |
24218 | 779 |
|
780 |
end; (*local*) |
|
781 |
||
782 |
||
24589 | 783 |
(* definition in class target *) |
24218 | 784 |
|
25062 | 785 |
fun add_const_in_class class ((c, mx), rhs) thy = |
24218 | 786 |
let |
25024 | 787 |
val prfx = class_prefix class; |
788 |
val thy' = thy |> Sign.add_path prfx; |
|
25062 | 789 |
val phi = morphism thy' class; |
25024 | 790 |
|
25062 | 791 |
val c' = Sign.full_name thy' c; |
792 |
val ((mx', _), _) = fork_mixfix true true mx; |
|
793 |
val rhs' = (map_types Logic.unvarifyT o Morphism.term phi) rhs; |
|
24218 | 794 |
val ty' = Term.fastype_of rhs'; |
24657 | 795 |
val def = (c, Logic.mk_equals (Const (c', ty'), rhs')); |
25062 | 796 |
val c'' = NameSpace.full (Sign.naming_of thy' |> NameSpace.add_path prfx) c; |
24218 | 797 |
in |
25024 | 798 |
thy' |
25038 | 799 |
|> Sign.hide_consts_i false [c''] |
25024 | 800 |
|> Sign.declare_const [] (c, ty', mx') |> snd |
24218 | 801 |
|> Sign.parent_path |
802 |
|> Sign.sticky_prefix prfx |
|
25062 | 803 |
|> yield_singleton (PureThy.add_defs_i false) (def, []) |
804 |
|>> Thm.symmetric |
|
805 |
|-> (fn def => class_interpretation class [def] |
|
806 |
[(map_types Logic.unvarifyT o Thm.prop_of) def] |
|
807 |
#> register_operation class ((c', rhs), SOME def)) |
|
24218 | 808 |
|> Sign.restore_naming thy |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
809 |
|> pair c' |
24218 | 810 |
end; |
811 |
||
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
812 |
|
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
813 |
(* abbreviation in class target *) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
814 |
|
25062 | 815 |
fun add_abbrev_in_class class prmode ((c, mx), rhs) thy = |
24836 | 816 |
let |
25024 | 817 |
val prfx = class_prefix class; |
25062 | 818 |
val phi = morphism thy class; |
819 |
||
25038 | 820 |
val naming = Sign.naming_of thy |> NameSpace.add_path prfx |> NameSpace.add_path prfx; |
821 |
(*FIXME*) |
|
25024 | 822 |
val c' = NameSpace.full naming c; |
25062 | 823 |
val rhs' = (map_types Logic.unvarifyT o Morphism.term phi) rhs; |
25020 | 824 |
val ty' = Term.fastype_of rhs'; |
24836 | 825 |
in |
826 |
thy |
|
25024 | 827 |
|> Sign.notation true prmode [(Const (c', ty'), mx)] |
25062 | 828 |
|> register_operation class ((c', rhs), NONE) |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
829 |
|> pair c' |
24836 | 830 |
end; |
831 |
||
24218 | 832 |
end; |