author | haftmann |
Tue, 06 Nov 2007 13:12:53 +0100 | |
changeset 25311 | aa750e3a581c |
parent 25268 | 58146cb7bf44 |
child 25318 | c8352b38d47d |
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 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 is_class: theory -> class -> bool |
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val these_params: theory -> sort -> (string * (string * typ)) list |
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val init: class -> theory -> Proof.context |
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val add_logical_const: string -> Markup.property list |
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-> (string * mixfix) * term -> theory -> theory |
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val add_syntactic_const: string -> Syntax.mode -> Markup.property list |
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-> (string * mixfix) * term -> theory -> theory |
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val refresh_syntax: class -> 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 prove_subclass: class * class -> thm list -> Proof.context |
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-> theory -> theory |
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val print_classes: theory -> unit |
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val class_prefix: string -> string |
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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 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 prove_interpretation_in tac after_qed (name, expr) = |
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Locale.interpretation_in_locale |
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(ProofContext.theory after_qed) (name, expr) |
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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); |
24589 | 75 |
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fun strip_all_ofclass thy sort = |
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let |
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24847 | 78 |
val typ = TVar ((Name.aT, 0), sort); |
24589 | 79 |
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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24218 | 110 |
|> snd |
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|> (map o map) fst; |
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24589 | 112 |
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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24218 | 116 |
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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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24218 | 128 |
end; |
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in |
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val instance_arity = |
24218 | 133 |
gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity; |
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val classrel = |
24218 | 135 |
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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24218 | 140 |
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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; |
24304 | 181 |
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fun add_inst_def (class, tyco) (c, ty) thy = |
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let |
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25024 | 184 |
val tyco_base = Sign.base_name tyco; |
185 |
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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24304 | 187 |
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))) |
24435 | 195 |
|> Sign.restore_naming thy |
24304 | 196 |
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 |
24304 | 200 |
of NONE => true |
201 |
| 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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206 |
let |
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24589 | 207 |
val ((lhs as Const (c, ty), args), rhs) = |
208 |
(apfst Term.strip_comb o Logic.dest_equals) prop; |
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24701 | 209 |
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)) |
24304 | 211 |
then add_inst (c, tyco) (c_inst, def) |
212 |
else add_inst_def (class, tyco) (c, ty) |
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24701 | 213 |
|*) add_inst' _ t = add_inst_def (class, tyco) (c, ty); |
24304 | 214 |
in |
215 |
thy |
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25020 | 216 |
|> PureThy.add_defs_i true [((name, prop), map (Attrib.attribute_i thy) atts)] |
24304 | 217 |
|-> (fn [def] => add_inst' def (args, rhs) #> pair def) |
218 |
end; |
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220 |
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24589 | 221 |
(** instances with implicit parameter handling **) |
24218 | 222 |
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223 |
local |
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224 |
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24707 | 225 |
fun gen_read_def thy prep_att parse_prop ((raw_name, raw_atts), raw_t) = |
24218 | 226 |
let |
24707 | 227 |
val ctxt = ProofContext.init thy; |
228 |
val t = parse_prop ctxt raw_t |> Syntax.check_prop ctxt; |
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val ((c, ty), _) = Sign.cert_def ctxt t; |
24218 | 230 |
val atts = map (prep_att thy) raw_atts; |
231 |
val insts = Consts.typargs (Sign.consts_of thy) (c, ty); |
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232 |
val name = case raw_name |
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233 |
of "" => NONE |
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234 |
| _ => SOME raw_name; |
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235 |
in (c, (insts, ((name, t), atts))) end; |
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236 |
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24707 | 237 |
fun read_def_cmd thy = gen_read_def thy Attrib.intern_src Syntax.parse_prop; |
24218 | 238 |
fun read_def thy = gen_read_def thy (K I) (K I); |
239 |
||
24589 | 240 |
fun gen_instance prep_arity read_def do_proof raw_arities raw_defs after_qed theory = |
24218 | 241 |
let |
242 |
val arities = map (prep_arity theory) raw_arities; |
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25020 | 243 |
val _ = if null arities then error "At least one arity must be given" else (); |
24218 | 244 |
val _ = case (duplicates (op =) o map #1) arities |
245 |
of [] => () |
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25020 | 246 |
| dupl_tycos => error ("Type constructors occur more than once in arities: " |
247 |
^ commas_quote dupl_tycos); |
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24218 | 248 |
fun get_consts_class tyco ty class = |
249 |
let |
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250 |
val cs = (these o try (#params o AxClass.get_info theory)) class; |
24218 | 251 |
val subst_ty = map_type_tfree (K ty); |
252 |
in |
|
24304 | 253 |
map (fn (c, ty) => (c, ((class, tyco), subst_ty ty))) cs |
24218 | 254 |
end; |
255 |
fun get_consts_sort (tyco, asorts, sort) = |
|
256 |
let |
|
24589 | 257 |
val ty = Type (tyco, map (fn (v, sort) => TVar ((v, 0), sort)) |
24847 | 258 |
(Name.names Name.context Name.aT asorts)) |
24731 | 259 |
in maps (get_consts_class tyco ty) (Sign.complete_sort theory sort) end; |
24218 | 260 |
val cs = maps get_consts_sort arities; |
261 |
fun mk_typnorm thy (ty, ty_sc) = |
|
262 |
case try (Sign.typ_match thy (Logic.varifyT ty_sc, ty)) Vartab.empty |
|
263 |
of SOME env => SOME (Logic.varifyT #> Envir.typ_subst_TVars env #> Logic.unvarifyT) |
|
264 |
| NONE => NONE; |
|
265 |
fun read_defs defs cs thy_read = |
|
266 |
let |
|
267 |
fun read raw_def cs = |
|
268 |
let |
|
269 |
val (c, (inst, ((name_opt, t), atts))) = read_def thy_read raw_def; |
|
270 |
val ty = Consts.instance (Sign.consts_of thy_read) (c, inst); |
|
24304 | 271 |
val ((class, tyco), ty') = case AList.lookup (op =) cs c |
25020 | 272 |
of NONE => error ("Illegal definition for constant " ^ quote c) |
24218 | 273 |
| SOME class_ty => class_ty; |
274 |
val name = case name_opt |
|
275 |
of NONE => Thm.def_name (Logic.name_arity (tyco, [], c)) |
|
276 |
| SOME name => name; |
|
277 |
val t' = case mk_typnorm thy_read (ty', ty) |
|
25020 | 278 |
of NONE => error ("Illegal definition for constant " ^ |
24218 | 279 |
quote (c ^ "::" ^ setmp show_sorts true |
280 |
(Sign.string_of_typ thy_read) ty)) |
|
281 |
| SOME norm => map_types norm t |
|
282 |
in (((class, tyco), ((name, t'), atts)), AList.delete (op =) c cs) end; |
|
283 |
in fold_map read defs cs end; |
|
24304 | 284 |
val (defs, other_cs) = read_defs raw_defs cs |
24218 | 285 |
(fold Sign.primitive_arity arities (Theory.copy theory)); |
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286 |
fun after_qed' cs defs = |
24766 | 287 |
fold Sign.add_const_constraint (map (apsnd SOME) cs) |
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288 |
#> after_qed defs; |
24218 | 289 |
in |
290 |
theory |
|
25038 | 291 |
|> fold_map get_remove_global_constraint (map fst cs |> distinct (op =)) |
24304 | 292 |
||>> fold_map add_def defs |
293 |
||> fold (fn (c, ((class, tyco), ty)) => add_inst_def' (class, tyco) (c, ty)) other_cs |
|
24423
ae9cd0e92423
overloaded definitions accompanied by explicit constants
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parents:
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diff
changeset
|
294 |
|-> (fn (cs, defs) => do_proof (after_qed' cs defs) arities defs) |
24218 | 295 |
end; |
296 |
||
24423
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parents:
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diff
changeset
|
297 |
fun tactic_proof tac f arities defs = |
24218 | 298 |
fold (fn arity => AxClass.prove_arity arity tac) arities |
24423
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overloaded definitions accompanied by explicit constants
haftmann
parents:
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diff
changeset
|
299 |
#> f |
ae9cd0e92423
overloaded definitions accompanied by explicit constants
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parents:
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diff
changeset
|
300 |
#> pair defs; |
24218 | 301 |
|
302 |
in |
|
303 |
||
24589 | 304 |
val instance = gen_instance Sign.cert_arity read_def |
305 |
(fn f => fn arities => fn defs => instance_arity f arities); |
|
306 |
val instance_cmd = gen_instance Sign.read_arity read_def_cmd |
|
307 |
(fn f => fn arities => fn defs => instance_arity f arities); |
|
308 |
fun prove_instance tac arities defs = |
|
309 |
gen_instance Sign.cert_arity read_def |
|
310 |
(tactic_proof tac) arities defs (K I); |
|
24218 | 311 |
|
312 |
end; (*local*) |
|
313 |
||
314 |
||
315 |
||
24589 | 316 |
(** class data **) |
24218 | 317 |
|
318 |
datatype class_data = ClassData of { |
|
319 |
consts: (string * string) list |
|
24836 | 320 |
(*locale parameter ~> constant name*), |
25062 | 321 |
base_sort: sort, |
25083 | 322 |
inst: term option list |
323 |
(*canonical interpretation*), |
|
25062 | 324 |
morphism: morphism, |
325 |
(*partial morphism of canonical interpretation*) |
|
24657 | 326 |
intro: thm, |
327 |
defs: thm list, |
|
25195
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parents:
25163
diff
changeset
|
328 |
operations: (string * (term * (typ * int))) list, |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
329 |
(*constant name ~> (locale term, |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
330 |
(constant constraint, instantiaton index of class typ))*) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
331 |
unchecks: (term * term) list |
24657 | 332 |
}; |
24218 | 333 |
|
24657 | 334 |
fun rep_class_data (ClassData d) = d; |
25062 | 335 |
fun mk_class_data ((consts, base_sort, inst, morphism, intro), |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
336 |
(defs, (operations, unchecks))) = |
25062 | 337 |
ClassData { consts = consts, base_sort = base_sort, inst = inst, |
338 |
morphism = morphism, intro = intro, defs = defs, |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
339 |
operations = operations, unchecks = unchecks }; |
25062 | 340 |
fun map_class_data f (ClassData { consts, base_sort, inst, morphism, intro, |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
341 |
defs, operations, unchecks }) = |
25062 | 342 |
mk_class_data (f ((consts, base_sort, inst, morphism, intro), |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
343 |
(defs, (operations, unchecks)))); |
25038 | 344 |
fun merge_class_data _ (ClassData { consts = consts, |
25062 | 345 |
base_sort = base_sort, inst = inst, morphism = morphism, intro = intro, |
25195
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fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
346 |
defs = defs1, operations = operations1, unchecks = unchecks1 }, |
25062 | 347 |
ClassData { consts = _, base_sort = _, inst = _, morphism = _, intro = _, |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
348 |
defs = defs2, operations = operations2, unchecks = unchecks2 }) = |
25062 | 349 |
mk_class_data ((consts, base_sort, inst, morphism, intro), |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
350 |
(Thm.merge_thms (defs1, defs2), |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
351 |
(AList.merge (op =) (K true) (operations1, operations2), |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
352 |
Library.merge (op aconv o pairself snd) (unchecks1, unchecks2)))); |
24218 | 353 |
|
354 |
structure ClassData = TheoryDataFun |
|
355 |
( |
|
25038 | 356 |
type T = class_data Graph.T |
357 |
val empty = Graph.empty; |
|
24218 | 358 |
val copy = I; |
359 |
val extend = I; |
|
25038 | 360 |
fun merge _ = Graph.join merge_class_data; |
24218 | 361 |
); |
362 |
||
363 |
||
364 |
(* queries *) |
|
365 |
||
25038 | 366 |
val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node o ClassData.get; |
24218 | 367 |
|
24589 | 368 |
fun the_class_data thy class = case lookup_class_data thy class |
25020 | 369 |
of NONE => error ("Undeclared class " ^ quote class) |
24589 | 370 |
| SOME data => data; |
24218 | 371 |
|
25038 | 372 |
val is_class = is_some oo lookup_class_data; |
373 |
||
374 |
val ancestry = Graph.all_succs o ClassData.get; |
|
24218 | 375 |
|
25002 | 376 |
fun these_params thy = |
24218 | 377 |
let |
378 |
fun params class = |
|
379 |
let |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
380 |
val const_typs = (#params o AxClass.get_info thy) class; |
24657 | 381 |
val const_names = (#consts o the_class_data thy) class; |
24218 | 382 |
in |
383 |
(map o apsnd) (fn c => (c, (the o AList.lookup (op =) const_typs) c)) const_names |
|
384 |
end; |
|
385 |
in maps params o ancestry thy end; |
|
386 |
||
24657 | 387 |
fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy; |
24218 | 388 |
|
25062 | 389 |
fun morphism thy = #morphism o the_class_data thy; |
390 |
||
24218 | 391 |
fun these_intros thy = |
24657 | 392 |
Graph.fold (fn (_, (data, _)) => insert Thm.eq_thm ((#intro o rep_class_data) data)) |
25038 | 393 |
(ClassData.get thy) []; |
24218 | 394 |
|
24836 | 395 |
fun these_operations thy = |
396 |
maps (#operations o the_class_data thy) o ancestry thy; |
|
24657 | 397 |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
398 |
fun these_unchecks thy = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
399 |
maps (#unchecks o the_class_data thy) o ancestry thy; |
25002 | 400 |
|
24218 | 401 |
fun print_classes thy = |
402 |
let |
|
24920 | 403 |
val ctxt = ProofContext.init thy; |
24218 | 404 |
val algebra = Sign.classes_of thy; |
405 |
val arities = |
|
406 |
Symtab.empty |
|
407 |
|> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) => |
|
408 |
Symtab.map_default (class, []) (insert (op =) tyco)) arities) |
|
409 |
((#arities o Sorts.rep_algebra) algebra); |
|
410 |
val the_arities = these o Symtab.lookup arities; |
|
411 |
fun mk_arity class tyco = |
|
412 |
let |
|
413 |
val Ss = Sorts.mg_domain algebra tyco [class]; |
|
24920 | 414 |
in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end; |
24218 | 415 |
fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: " |
24920 | 416 |
^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty); |
24218 | 417 |
fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [ |
25062 | 418 |
(SOME o Pretty.str) ("class " ^ Sign.extern_class thy class ^ ":"), |
24218 | 419 |
(SOME o Pretty.block) [Pretty.str "supersort: ", |
24920 | 420 |
(Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class], |
25062 | 421 |
if is_class thy class then (SOME o Pretty.str) |
422 |
("locale: " ^ Locale.extern thy class) else NONE, |
|
423 |
((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks) |
|
424 |
(Pretty.str "parameters:" :: ps)) o map mk_param |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
425 |
o these o Option.map #params o try (AxClass.get_info thy)) class, |
24218 | 426 |
(SOME o Pretty.block o Pretty.breaks) [ |
427 |
Pretty.str "instances:", |
|
428 |
Pretty.list "" "" (map (mk_arity class) (the_arities class)) |
|
429 |
] |
|
430 |
] |
|
431 |
in |
|
24589 | 432 |
(Pretty.writeln o Pretty.chunks o separate (Pretty.str "") |
433 |
o map mk_entry o Sorts.all_classes) algebra |
|
24218 | 434 |
end; |
435 |
||
436 |
||
437 |
(* updaters *) |
|
438 |
||
25163 | 439 |
fun add_class_data ((class, superclasses), (cs, base_sort, inst, phi, intro)) thy = |
25002 | 440 |
let |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
441 |
val operations = map (fn (v_ty, (c, ty)) => |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
442 |
(c, ((Free v_ty, (Logic.varifyT ty, 0))))) cs; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
443 |
val unchecks = map (fn ((v, ty'), (c, _)) => |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
444 |
(Free (v, Type.strip_sorts ty'), Const (c, Type.strip_sorts ty'))) cs; |
25002 | 445 |
val cs = (map o pairself) fst cs; |
25038 | 446 |
val add_class = Graph.new_node (class, |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
447 |
mk_class_data ((cs, base_sort, map (SOME o Const) inst, phi, intro), ([], (operations, unchecks)))) |
25002 | 448 |
#> fold (curry Graph.add_edge class) superclasses; |
449 |
in |
|
25038 | 450 |
ClassData.map add_class thy |
25002 | 451 |
end; |
24218 | 452 |
|
25239 | 453 |
fun register_operation class (c, ((t, t_rev), some_def)) thy = |
25062 | 454 |
let |
455 |
val ty = Sign.the_const_constraint thy c; |
|
456 |
val typargs = Sign.const_typargs thy (c, ty); |
|
457 |
val typidx = find_index (fn TVar ((v, _), _) => Name.aT = v | _ => false) typargs; |
|
25239 | 458 |
val prep_typ = map_atyps |
459 |
(fn TVar (vi as (v, _), _) => if Name.aT = v then TFree (v, []) else TVar (vi, [])) |
|
460 |
val t_rev' = map_types prep_typ t_rev; |
|
461 |
val ty' = Term.fastype_of t_rev'; |
|
25062 | 462 |
in |
463 |
thy |
|
464 |
|> (ClassData.map o Graph.map_node class o map_class_data o apsnd) |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
465 |
(fn (defs, (operations, unchecks)) => |
25096 | 466 |
(fold cons (the_list some_def) defs, |
25239 | 467 |
((c, (t, (ty, typidx))) :: operations, (t_rev', Const (c, ty')) :: unchecks))) |
25062 | 468 |
end; |
24218 | 469 |
|
24589 | 470 |
|
471 |
(** rule calculation, tactics and methods **) |
|
472 |
||
25024 | 473 |
val class_prefix = Logic.const_of_class o Sign.base_name; |
474 |
||
25062 | 475 |
fun calculate_morphism class cs = |
476 |
let |
|
477 |
val subst_typ = Term.map_type_tfree (fn var as (v, sort) => |
|
478 |
if v = Name.aT then TVar ((v, 0), [class]) else TVar ((v, 0), sort)); |
|
479 |
fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) cs v |
|
480 |
of SOME (c, _) => Const (c, ty) |
|
481 |
| NONE => t) |
|
482 |
| subst_aterm t = t; |
|
483 |
val subst_term = map_aterms subst_aterm #> map_types subst_typ; |
|
484 |
in |
|
25209 | 485 |
Morphism.term_morphism subst_term |
25062 | 486 |
$> Morphism.typ_morphism subst_typ |
487 |
end; |
|
488 |
||
25038 | 489 |
fun class_intro thy class sups = |
24589 | 490 |
let |
491 |
fun class_elim class = |
|
25020 | 492 |
case (#axioms o AxClass.get_info thy) class |
493 |
of [thm] => SOME (Drule.unconstrainTs thm) |
|
24589 | 494 |
| [] => NONE; |
25038 | 495 |
val pred_intro = case Locale.intros thy class |
24589 | 496 |
of ([ax_intro], [intro]) => intro |> OF_LAST ax_intro |> SOME |
497 |
| ([intro], []) => SOME intro |
|
498 |
| ([], [intro]) => SOME intro |
|
499 |
| _ => NONE; |
|
500 |
val pred_intro' = pred_intro |
|
501 |
|> 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
|
502 |
val class_intro = (#intro o AxClass.get_info thy) class; |
24589 | 503 |
val raw_intro = case pred_intro' |
504 |
of SOME pred_intro => class_intro |> OF_LAST pred_intro |
|
505 |
| NONE => class_intro; |
|
506 |
val sort = Sign.super_classes thy class; |
|
24847 | 507 |
val typ = TVar ((Name.aT, 0), sort); |
24589 | 508 |
val defs = these_defs thy sups; |
509 |
in |
|
510 |
raw_intro |
|
511 |
|> Drule.instantiate' [SOME (Thm.ctyp_of thy typ)] [] |
|
512 |
|> strip_all_ofclass thy sort |
|
513 |
|> Thm.strip_shyps |
|
514 |
|> MetaSimplifier.rewrite_rule defs |
|
515 |
|> Drule.unconstrainTs |
|
516 |
end; |
|
517 |
||
518 |
fun class_interpretation class facts defs thy = |
|
519 |
let |
|
25038 | 520 |
val params = these_params thy [class]; |
25083 | 521 |
val inst = (#inst o the_class_data thy) class; |
25020 | 522 |
val tac = ALLGOALS (ProofContext.fact_tac facts); |
25038 | 523 |
val prfx = class_prefix class; |
24589 | 524 |
in |
25038 | 525 |
thy |
526 |
|> fold_map (get_remove_global_constraint o fst o snd) params |
|
25094
ba43514068fd
Interpretation equations may have name and/or attribute.
ballarin
parents:
25083
diff
changeset
|
527 |
||> prove_interpretation tac ((false, prfx), []) (Locale.Locale class) |
ba43514068fd
Interpretation equations may have name and/or attribute.
ballarin
parents:
25083
diff
changeset
|
528 |
(inst, map (fn def => (("", []), def)) defs) |
25038 | 529 |
|-> (fn cs => fold (Sign.add_const_constraint o apsnd SOME) cs) |
24589 | 530 |
end; |
24218 | 531 |
|
532 |
fun intro_classes_tac facts st = |
|
533 |
let |
|
534 |
val thy = Thm.theory_of_thm st; |
|
535 |
val classes = Sign.all_classes thy; |
|
536 |
val class_trivs = map (Thm.class_triv thy) classes; |
|
537 |
val class_intros = these_intros thy; |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
538 |
val axclass_intros = map_filter (try (#intro o AxClass.get_info thy)) classes; |
24218 | 539 |
in |
25268 | 540 |
Method.intros_tac (class_trivs @ class_intros @ axclass_intros) facts st |
24218 | 541 |
end; |
542 |
||
543 |
fun default_intro_classes_tac [] = intro_classes_tac [] |
|
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset
|
544 |
| default_intro_classes_tac _ = no_tac; |
24218 | 545 |
|
546 |
fun default_tac rules ctxt facts = |
|
547 |
HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE |
|
548 |
default_intro_classes_tac facts; |
|
549 |
||
550 |
val _ = Context.add_setup (Method.add_methods |
|
551 |
[("intro_classes", Method.no_args (Method.METHOD intro_classes_tac), |
|
552 |
"back-chain introduction rules of classes"), |
|
553 |
("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), |
|
554 |
"apply some intro/elim rule")]); |
|
555 |
||
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
556 |
fun subclass_rule thy (sub, sup) = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
557 |
let |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
558 |
val ctxt = Locale.init sub thy; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
559 |
val ctxt_thy = ProofContext.init thy; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
560 |
val props = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
561 |
Locale.global_asms_of thy sup |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
562 |
|> maps snd |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
563 |
|> map (ObjectLogic.ensure_propT thy); |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
564 |
fun tac { prems, context } = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
565 |
Locale.intro_locales_tac true context prems |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
566 |
ORELSE ALLGOALS assume_tac; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
567 |
in |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
568 |
Goal.prove_multi ctxt [] [] props tac |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
569 |
|> map (Assumption.export false ctxt ctxt_thy) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
570 |
|> Variable.export ctxt ctxt_thy |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
571 |
end; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
572 |
|
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
573 |
fun prove_single_subclass (sub, sup) thms ctxt thy = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
574 |
let |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
575 |
val ctxt_thy = ProofContext.init thy; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
576 |
val subclass_rule = Conjunction.intr_balanced thms |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
577 |
|> Assumption.export false ctxt ctxt_thy |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
578 |
|> singleton (Variable.export ctxt ctxt_thy); |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
579 |
val sub_inst = Thm.ctyp_of thy (TVar ((Name.aT, 0), [sub])); |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
580 |
val sub_ax = #axioms (AxClass.get_info thy sub); |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
581 |
val classrel = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
582 |
#intro (AxClass.get_info thy sup) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
583 |
|> Drule.instantiate' [SOME sub_inst] [] |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
584 |
|> OF_LAST (subclass_rule OF sub_ax) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
585 |
|> strip_all_ofclass thy (Sign.super_classes thy sup) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
586 |
|> Thm.strip_shyps |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
587 |
in |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
588 |
thy |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
589 |
|> AxClass.add_classrel classrel |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
590 |
|> prove_interpretation_in (ALLGOALS (ProofContext.fact_tac thms)) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
591 |
I (sub, Locale.Locale sup) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
592 |
|> ClassData.map (Graph.add_edge (sub, sup)) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
593 |
end; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
594 |
|
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
595 |
fun prove_subclass (sub, sup) thms ctxt thy = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
596 |
let |
25268 | 597 |
val classes = ClassData.get thy; |
598 |
val is_sup = not o null o curry (Graph.irreducible_paths classes) sub; |
|
599 |
val supclasses = Graph.all_succs classes [sup] |> filter_out is_sup; |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
600 |
fun transform sup' = subclass_rule thy (sup, sup') |> map (fn thm => thm OF thms); |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
601 |
in |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
602 |
thy |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
603 |
|> fold_rev (fn sup' => prove_single_subclass (sub, sup') |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
604 |
(transform sup') ctxt) supclasses |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
605 |
end; |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
606 |
|
24218 | 607 |
|
24589 | 608 |
(** classes and class target **) |
24218 | 609 |
|
25002 | 610 |
(* class context syntax *) |
24748 | 611 |
|
25083 | 612 |
structure ClassSyntax = ProofDataFun( |
613 |
type T = { |
|
614 |
constraints: (string * typ) list, |
|
615 |
base_sort: sort, |
|
616 |
local_operation: string * typ -> (typ * term) option, |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
617 |
unchecks: (term * term) list, |
25083 | 618 |
passed: bool |
619 |
} option; |
|
620 |
fun init _ = NONE; |
|
621 |
); |
|
622 |
||
623 |
fun synchronize_syntax thy sups base_sort ctxt = |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
624 |
let |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
625 |
(* constraints *) |
25083 | 626 |
val operations = these_operations thy sups; |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
627 |
fun local_constraint (c, (_, (ty, _))) = |
25083 | 628 |
let |
629 |
val ty' = ty |
|
630 |
|> map_atyps (fn ty as TVar ((v, 0), _) => |
|
631 |
if v = Name.aT then TVar ((v, 0), base_sort) else ty) |
|
632 |
|> SOME; |
|
633 |
in (c, ty') end |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
634 |
val constraints = (map o apsnd) (fst o snd) operations; |
25083 | 635 |
|
636 |
(* check phase *) |
|
637 |
val typargs = Consts.typargs (ProofContext.consts_of ctxt); |
|
25209 | 638 |
fun check_const (c, ty) (t, (_, typidx)) = ((nth (typargs (c, ty)) typidx), t); |
25083 | 639 |
fun local_operation (c_ty as (c, _)) = AList.lookup (op =) operations c |
640 |
|> Option.map (check_const c_ty); |
|
25002 | 641 |
|
25083 | 642 |
(* uncheck phase *) |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
643 |
val basify = |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
644 |
map_atyps (fn ty as TFree (v, _) => if Name.aT = v then TFree (v, base_sort) |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
645 |
else ty | ty => ty); |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
646 |
val unchecks = these_unchecks thy sups |
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
647 |
|> (map o pairself o map_types) basify; |
25083 | 648 |
in |
649 |
ctxt |
|
650 |
|> fold (ProofContext.add_const_constraint o local_constraint) operations |
|
25209 | 651 |
|> ClassSyntax.put (SOME { |
25083 | 652 |
constraints = constraints, |
653 |
base_sort = base_sort, |
|
654 |
local_operation = local_operation, |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
655 |
unchecks = unchecks, |
25083 | 656 |
passed = false |
25209 | 657 |
}) |
25083 | 658 |
end; |
659 |
||
660 |
fun refresh_syntax class ctxt = |
|
25002 | 661 |
let |
662 |
val thy = ProofContext.theory_of ctxt; |
|
25062 | 663 |
val base_sort = (#base_sort o the_class_data thy) class; |
25083 | 664 |
in synchronize_syntax thy [class] base_sort ctxt end; |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
665 |
|
25083 | 666 |
val mark_passed = (ClassSyntax.map o Option.map) |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
667 |
(fn { constraints, base_sort, local_operation, unchecks, passed } => |
25083 | 668 |
{ constraints = constraints, base_sort = base_sort, |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
669 |
local_operation = local_operation, unchecks = unchecks, passed = true }); |
25083 | 670 |
|
671 |
fun sort_term_check ts ctxt = |
|
24748 | 672 |
let |
25083 | 673 |
val { constraints, base_sort, local_operation, passed, ... } = |
674 |
the (ClassSyntax.get ctxt); |
|
675 |
fun check_typ (c, ty) (TFree (v, _), t) = if v = Name.aT |
|
25062 | 676 |
then apfst (AList.update (op =) ((c, ty), t)) else I |
25083 | 677 |
| check_typ (c, ty) (TVar (vi, _), t) = if TypeInfer.is_param vi |
25062 | 678 |
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
|
679 |
#> apsnd (insert (op =) vi) else I |
25083 | 680 |
| check_typ _ _ = I; |
681 |
fun add_const (Const c_ty) = Option.map (check_typ c_ty) (local_operation c_ty) |
|
25062 | 682 |
|> the_default I |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
683 |
| add_const _ = I; |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
684 |
val (cs, typarams) = (fold o fold_aterms) add_const ts ([], []); |
25062 | 685 |
val subst_typ = map_type_tvar (fn var as (vi, _) => |
686 |
if member (op =) typarams vi then TFree (Name.aT, base_sort) else TVar var); |
|
687 |
val subst_term = map_aterms |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
688 |
(fn t as Const (c, ty) => the_default t (AList.lookup (op =) cs (c, ty)) | t => t) |
25062 | 689 |
#> map_types subst_typ; |
690 |
val ts' = map subst_term ts; |
|
25083 | 691 |
in if eq_list (op aconv) (ts, ts') andalso passed then NONE |
692 |
else |
|
693 |
ctxt |
|
694 |
|> fold (ProofContext.add_const_constraint o apsnd SOME) constraints |
|
695 |
|> mark_passed |
|
696 |
|> pair ts' |
|
697 |
|> SOME |
|
698 |
end; |
|
24748 | 699 |
|
25062 | 700 |
val uncheck = ref true; |
25002 | 701 |
|
25083 | 702 |
fun sort_term_uncheck ts ctxt = |
25002 | 703 |
let |
704 |
val thy = ProofContext.theory_of ctxt; |
|
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
705 |
val unchecks = (#unchecks o the o ClassSyntax.get) ctxt; |
25062 | 706 |
val ts' = if ! uncheck |
25195
62638dcafe38
fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents:
25163
diff
changeset
|
707 |
then map (Pattern.rewrite_term thy unchecks []) ts else ts; |
25060 | 708 |
in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', ctxt) end; |
25002 | 709 |
|
25083 | 710 |
fun init_ctxt thy sups base_sort ctxt = |
711 |
ctxt |
|
712 |
|> Variable.declare_term |
|
713 |
(Logic.mk_type (TFree (Name.aT, base_sort))) |
|
714 |
|> synchronize_syntax thy sups base_sort |
|
715 |
|> Context.proof_map ( |
|
716 |
Syntax.add_term_check 0 "class" sort_term_check |
|
25103 | 717 |
#> Syntax.add_term_uncheck 0 "class" sort_term_uncheck) |
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
718 |
|
25311 | 719 |
fun init class thy = |
720 |
thy |
|
721 |
|> Locale.init class |
|
722 |
|> init_ctxt thy [class] ((#base_sort o the_class_data thy) class); |
|
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
723 |
|
24748 | 724 |
|
24589 | 725 |
(* class definition *) |
24218 | 726 |
|
727 |
local |
|
728 |
||
24748 | 729 |
fun gen_class_spec prep_class prep_expr process_expr thy raw_supclasses raw_includes_elems = |
24218 | 730 |
let |
24748 | 731 |
val supclasses = map (prep_class thy) raw_supclasses; |
25209 | 732 |
val sups = filter (is_class thy) supclasses; |
733 |
fun the_base_sort class = lookup_class_data thy class |
|
734 |
|> Option.map #base_sort |
|
735 |
|> the_default [class]; |
|
736 |
val base_sort = Sign.minimize_sort thy (maps the_base_sort supclasses); |
|
24748 | 737 |
val supsort = Sign.minimize_sort thy supclasses; |
25038 | 738 |
val suplocales = map Locale.Locale sups; |
24748 | 739 |
val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e) |
740 |
| Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []); |
|
741 |
val supexpr = Locale.Merge suplocales; |
|
742 |
val supparams = (map fst o Locale.parameters_of_expr thy) supexpr; |
|
25002 | 743 |
val supconsts = AList.make (the o AList.lookup (op =) (these_params thy sups)) |
24748 | 744 |
(map fst supparams); |
745 |
val mergeexpr = Locale.Merge (suplocales @ includes); |
|
746 |
val constrain = Element.Constrains ((map o apsnd o map_atyps) |
|
24847 | 747 |
(fn TFree (_, sort) => TFree (Name.aT, sort)) supparams); |
24748 | 748 |
in |
749 |
ProofContext.init thy |
|
750 |
|> Locale.cert_expr supexpr [constrain] |
|
751 |
|> snd |
|
25083 | 752 |
|> init_ctxt thy sups base_sort |
24748 | 753 |
|> process_expr Locale.empty raw_elems |
754 |
|> fst |
|
25062 | 755 |
|> (fn elems => ((((sups, supconsts), (supsort, base_sort, mergeexpr)), |
24748 | 756 |
(*FIXME*) if null includes then constrain :: elems else elems))) |
757 |
end; |
|
758 |
||
759 |
val read_class_spec = gen_class_spec Sign.intern_class Locale.intern_expr Locale.read_expr; |
|
760 |
val check_class_spec = gen_class_spec (K I) (K I) Locale.cert_expr; |
|
761 |
||
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
762 |
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
|
763 |
let |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
764 |
val superclasses = map (Sign.certify_class thy) raw_superclasses; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
765 |
val consts = (map o apfst o apsnd) (Sign.certify_typ thy) raw_consts; |
25083 | 766 |
fun add_const ((c, ty), syn) = |
767 |
Sign.declare_const [] (c, Type.strip_sorts ty, syn) #>> Term.dest_Const; |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
768 |
fun mk_axioms cs thy = |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
769 |
raw_dep_axioms thy cs |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
770 |
|> (map o apsnd o map) (Sign.cert_prop thy) |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
771 |
|> rpair thy; |
25002 | 772 |
fun constrain_typs class = (map o apsnd o Term.map_type_tfree) |
773 |
(fn (v, _) => TFree (v, [class])) |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
774 |
in |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
775 |
thy |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
776 |
|> Sign.add_path (Logic.const_of_class name) |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
777 |
|> fold_map add_const consts |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
778 |
||> Sign.restore_naming thy |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
779 |
|-> (fn cs => mk_axioms cs |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
780 |
#-> (fn axioms_prop => AxClass.define_class (name, superclasses) |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
781 |
(map fst cs @ other_consts) axioms_prop |
25002 | 782 |
#-> (fn class => `(fn _ => constrain_typs class cs) |
783 |
#-> (fn cs' => `(fn thy => AxClass.get_info thy class) |
|
784 |
#-> (fn {axioms, ...} => fold (Sign.add_const_constraint o apsnd SOME) cs' |
|
785 |
#> pair (class, (cs', axioms))))))) |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
786 |
end; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
787 |
|
25002 | 788 |
fun gen_class prep_spec prep_param bname |
24748 | 789 |
raw_supclasses raw_includes_elems raw_other_consts thy = |
790 |
let |
|
25038 | 791 |
val class = Sign.full_name thy bname; |
25062 | 792 |
val (((sups, supconsts), (supsort, base_sort, mergeexpr)), elems_syn) = |
24748 | 793 |
prep_spec thy raw_supclasses raw_includes_elems; |
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
794 |
val other_consts = map (tap (Sign.the_const_type thy) o prep_param thy) raw_other_consts; |
25163 | 795 |
fun mk_inst class cs = |
796 |
(map o apsnd o Term.map_type_tfree) (fn (v, _) => TFree (v, [class])) cs; |
|
25062 | 797 |
fun fork_syntax (Element.Fixes xs) = |
798 |
fold_map (fn (c, ty, syn) => cons (c, syn) #> pair (c, ty, NoSyn)) xs |
|
799 |
#>> Element.Fixes |
|
800 |
| fork_syntax x = pair x; |
|
801 |
val (elems, global_syn) = fold_map fork_syntax elems_syn []; |
|
802 |
fun globalize (c, ty) = |
|
803 |
((c, Term.map_type_tfree (K (TFree (Name.aT, base_sort))) ty), |
|
804 |
(the_default NoSyn o AList.lookup (op =) global_syn) c); |
|
25038 | 805 |
fun extract_params thy = |
24218 | 806 |
let |
25062 | 807 |
val params = map fst (Locale.parameters_of thy class); |
24218 | 808 |
in |
25062 | 809 |
(params, (map globalize o snd o chop (length supconsts)) params) |
24218 | 810 |
end; |
25038 | 811 |
fun extract_assumes params thy cs = |
24218 | 812 |
let |
813 |
val consts = supconsts @ (map (fst o fst) params ~~ cs); |
|
814 |
fun subst (Free (c, ty)) = |
|
815 |
Const ((fst o the o AList.lookup (op =) consts) c, ty) |
|
816 |
| subst t = t; |
|
817 |
fun prep_asm ((name, atts), ts) = |
|
25024 | 818 |
((Sign.base_name name, map (Attrib.attribute_i thy) atts), |
24589 | 819 |
(map o map_aterms) subst ts); |
24218 | 820 |
in |
25038 | 821 |
Locale.global_asms_of thy class |
24218 | 822 |
|> map prep_asm |
823 |
end; |
|
824 |
in |
|
825 |
thy |
|
24748 | 826 |
|> Locale.add_locale_i (SOME "") bname mergeexpr elems |
25038 | 827 |
|> snd |
25311 | 828 |
|> ProofContext.theory_of |
829 |
|> `extract_params |
|
830 |
|-> (fn (all_params, params) => |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
831 |
define_class_params (bname, supsort) params |
25038 | 832 |
(extract_assumes params) other_consts |
833 |
#-> (fn (_, (consts, axioms)) => |
|
834 |
`(fn thy => class_intro thy class sups) |
|
24218 | 835 |
#-> (fn class_intro => |
25062 | 836 |
PureThy.note_thmss_qualified "" (NameSpace.append class classN) |
837 |
[((introN, []), [([class_intro], [])])] |
|
838 |
#-> (fn [(_, [class_intro])] => |
|
25038 | 839 |
add_class_data ((class, sups), |
25062 | 840 |
(map fst params ~~ consts, base_sort, |
25163 | 841 |
mk_inst class (map snd supconsts @ consts), |
25062 | 842 |
calculate_morphism class (supconsts @ (map (fst o fst) params ~~ consts)), class_intro)) |
25038 | 843 |
#> class_interpretation class axioms [] |
25311 | 844 |
)))) |
25268 | 845 |
|> init class |
25038 | 846 |
|> pair class |
24218 | 847 |
end; |
848 |
||
849 |
in |
|
850 |
||
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
851 |
val class_cmd = gen_class read_class_spec ((#1 o Term.dest_Const) oo Sign.read_const); |
24748 | 852 |
val class = gen_class check_class_spec (K I); |
24218 | 853 |
|
854 |
end; (*local*) |
|
855 |
||
856 |
||
24589 | 857 |
(* definition in class target *) |
24218 | 858 |
|
25096 | 859 |
fun add_logical_const class pos ((c, mx), dict) thy = |
24218 | 860 |
let |
25024 | 861 |
val prfx = class_prefix class; |
862 |
val thy' = thy |> Sign.add_path prfx; |
|
25062 | 863 |
val phi = morphism thy' class; |
25024 | 864 |
|
25062 | 865 |
val c' = Sign.full_name thy' c; |
25239 | 866 |
val dict' = Morphism.term phi dict; |
867 |
val dict_def = map_types Logic.unvarifyT dict'; |
|
868 |
val ty' = Term.fastype_of dict_def; |
|
25083 | 869 |
val ty'' = Type.strip_sorts ty'; |
25239 | 870 |
val def_eq = Logic.mk_equals (Const (c', ty'), dict_def); |
24218 | 871 |
in |
25024 | 872 |
thy' |
25096 | 873 |
|> Sign.declare_const pos (c, ty'', mx) |> snd |
25083 | 874 |
|> Thm.add_def false (c, def_eq) |
25062 | 875 |
|>> Thm.symmetric |
25083 | 876 |
|-> (fn def => class_interpretation class [def] [Thm.prop_of def] |
25239 | 877 |
#> register_operation class (c', ((dict, dict'), SOME (Thm.varifyT def)))) |
24218 | 878 |
|> Sign.restore_naming thy |
25083 | 879 |
|> Sign.add_const_constraint (c', SOME ty') |
24218 | 880 |
end; |
881 |
||
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
882 |
|
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
883 |
(* abbreviation in class target *) |
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
884 |
|
25103 | 885 |
fun add_syntactic_const class prmode pos ((c, mx), rhs) thy = |
24836 | 886 |
let |
25024 | 887 |
val prfx = class_prefix class; |
25096 | 888 |
val thy' = thy |> Sign.add_path prfx; |
25062 | 889 |
val phi = morphism thy class; |
890 |
||
25096 | 891 |
val c' = Sign.full_name thy' c; |
25146 | 892 |
val rews = map (Logic.dest_equals o Thm.prop_of) (these_defs thy' [class]) |
893 |
val rhs' = (Pattern.rewrite_term thy rews [] o Morphism.term phi) rhs; |
|
25239 | 894 |
val ty' = Logic.unvarifyT (Term.fastype_of rhs'); |
24836 | 895 |
in |
25096 | 896 |
thy' |
25146 | 897 |
|> Sign.add_abbrev (#1 prmode) pos (c, map_types Type.strip_sorts rhs') |> snd |
25096 | 898 |
|> Sign.add_const_constraint (c', SOME ty') |
25024 | 899 |
|> Sign.notation true prmode [(Const (c', ty'), mx)] |
25239 | 900 |
|> register_operation class (c', ((rhs, rhs'), NONE)) |
25096 | 901 |
|> Sign.restore_naming thy |
24836 | 902 |
end; |
903 |
||
24218 | 904 |
end; |