author | haftmann |
Wed, 12 Jul 2006 17:00:30 +0200 | |
changeset 20106 | a3d4b4eb35b9 |
parent 20076 | def4ad161528 |
child 20175 | 0a8ca32f6e64 |
permissions | -rw-r--r-- |
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(* Title: Pure/Tools/class_package.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_PACKAGE = |
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sig |
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val class: bstring -> class list -> Element.context list -> theory |
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-> ProofContext.context * theory |
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val class_i: bstring -> class list -> Element.context_i list -> theory |
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-> ProofContext.context * theory |
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val instance_arity: (xstring * string list) * string |
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-> bstring * Attrib.src list -> ((bstring * Attrib.src list) * string) list |
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-> theory -> Proof.state |
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val instance_arity_i: (string * sort list) * sort |
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-> bstring * attribute list -> ((bstring * attribute list) * term) list |
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-> theory -> Proof.state |
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val prove_instance_arity: tactic -> (string * sort list) * sort |
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-> bstring * attribute list -> ((bstring * attribute list) * term) list |
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-> theory -> theory |
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val instance_sort: string * string -> theory -> Proof.state |
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val instance_sort_i: class * sort -> theory -> Proof.state |
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val prove_instance_sort: tactic -> class * sort -> theory -> theory |
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val intern_class: theory -> xstring -> class |
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val intern_sort: theory -> sort -> sort |
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val extern_class: theory -> class -> xstring |
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val extern_sort: theory -> sort -> sort |
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val certify_class: theory -> class -> class |
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val certify_sort: theory -> sort -> sort |
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val read_sort: theory -> string -> sort |
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val operational_sort_of: theory -> sort -> sort |
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val the_superclasses: theory -> class -> class list |
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val the_consts_sign: theory -> class -> string * (string * typ) list |
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val the_inst_sign: theory -> class * string -> (string * sort) list * (string * typ) list |
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val print_classes: theory -> unit |
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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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type sortcontext = (string * sort) list |
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datatype classlookup = Instance of (class * string) * classlookup list list |
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| Lookup of class list * (string * (int * int)) |
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val sortcontext_of_typ: theory -> typ -> sortcontext |
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val sortlookup: theory -> sort * typ -> classlookup list |
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val sortlookups_const: theory -> string * typ -> classlookup list list |
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end; |
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structure ClassPackage: CLASS_PACKAGE = |
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struct |
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(* auxiliary *) |
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fun instantiations_of thy (ty, ty') = |
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let |
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val vartab = typ_tvars ty; |
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fun prep_vartab (v, (_, ty)) = |
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case (the o AList.lookup (op =) vartab) v |
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of [] => NONE |
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| sort => SOME ((v, sort), ty); |
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in case try (Sign.typ_match thy (ty, ty')) Vartab.empty |
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of NONE => NONE |
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| SOME vartab => |
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SOME ((map_filter prep_vartab o Vartab.dest) vartab) |
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end; |
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(* theory data *) |
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datatype class_data = ClassData of { |
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name_locale: string, |
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name_axclass: string, |
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var: string, |
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consts: (string * (string * typ)) list, |
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(*locale parameter ~> toplevel constant*) |
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propnames: string list |
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} * thm list Symtab.table; |
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fun rep_classdata (ClassData c) = c; |
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structure ClassData = TheoryDataFun ( |
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struct |
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val name = "Pure/classes"; |
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type T = class_data Symtab.table; |
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val empty = Symtab.empty; |
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val copy = I; |
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val extend = I; |
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fun merge _ = Symtab.join (fn _ => fn (ClassData (classd, instd1), ClassData (_, instd2)) => |
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(ClassData (classd, Symtab.merge (K true) (instd1, instd2)))); |
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fun print thy data = |
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let |
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fun pretty_class (name, ClassData ({name_locale, name_axclass, var, consts, ...}, _)) = |
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(Pretty.block o Pretty.fbreaks) [ |
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Pretty.str ("class " ^ name ^ ":"), |
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Pretty.str ("locale: " ^ name_locale), |
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Pretty.str ("axclass: " ^ name_axclass), |
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Pretty.str ("class variable: " ^ var), |
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(Pretty.block o Pretty.fbreaks) ( |
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Pretty.str "constants: " |
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:: map (fn (_, (c, ty)) => Pretty.str (c ^ " :: " ^ Sign.string_of_typ thy ty)) consts |
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) |
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] |
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in |
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(Pretty.writeln o Pretty.chunks o map pretty_class o Symtab.dest) data |
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end; |
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end |
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); |
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val _ = Context.add_setup ClassData.init; |
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val print_classes = ClassData.print; |
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(* queries *) |
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val lookup_class_data = Option.map rep_classdata oo Symtab.lookup o ClassData.get; |
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fun the_class_data thy class = |
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case lookup_class_data thy class |
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of NONE => error ("undeclared operational class " ^ quote class) |
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| SOME data => data; |
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val is_class = is_some oo lookup_class_data; |
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fun is_operational_class thy cls = |
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lookup_class_data thy cls |
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|> Option.map (not o null o #consts o fst) |
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|> the_default false; |
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fun operational_sort_of thy = |
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let |
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fun get_sort class = |
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if is_operational_class thy class |
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then [class] |
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else operational_sort_of thy (Sign.super_classes thy class); |
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in Sign.certify_sort thy o maps get_sort end; |
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fun the_superclasses thy class = |
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if is_class thy class |
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then |
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Sign.super_classes thy class |
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|> operational_sort_of thy |
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else |
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error ("no class: " ^ class); |
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fun the_ancestry thy classes = |
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let |
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fun ancestry class anc = |
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anc |
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|> cons class |
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|> fold ancestry (the_superclasses thy class); |
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in fold ancestry classes [] end; |
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fun subst_clsvar v ty_subst = |
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map_type_tfree (fn u as (w, _) => |
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if w = v then ty_subst else TFree u); |
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val the_parm_map = #consts o fst oo the_class_data; |
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fun the_consts_sign thy class = |
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let |
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val data = (fst o the_class_data thy) class |
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in (#var data, (map snd o #consts) data) end; |
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fun the_inst_sign thy (class, tyco) = |
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let |
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val _ = if is_operational_class thy class then () else error ("no operational class: " ^ class); |
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val asorts = Sign.arity_sorts thy tyco [class]; |
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val (clsvar, const_sign) = the_consts_sign thy class; |
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fun add_var sort used = |
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let |
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val [v] = Name.invent_list used "'a" 1 |
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in ((v, sort), v::used) end; |
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val (vsorts, _) = |
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[clsvar] |
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|> fold (fn (_, ty) => curry (gen_union (op =)) |
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((map (fst o fst) o typ_tvars) ty @ (map fst o typ_tfrees) ty)) const_sign |
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|> fold_map add_var asorts; |
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val ty_inst = Type (tyco, map TFree vsorts); |
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val inst_signs = map (apsnd (subst_clsvar clsvar ty_inst)) const_sign; |
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in (vsorts, inst_signs) end; |
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val the_propnames = #propnames o fst oo the_class_data; |
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(* updaters *) |
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fun add_class_data (class, (name_locale, name_axclass, var, consts, propnames)) = |
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ClassData.map ( |
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Symtab.update_new (class, ClassData ({ |
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name_locale = name_locale, |
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name_axclass = name_axclass, |
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var = var, |
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consts = consts, |
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propnames = propnames}, Symtab.empty)) |
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); |
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fun add_inst_def ((class, tyco), thm) = |
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ClassData.map ( |
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Symtab.map_entry class (fn ClassData (classd, instd) => |
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ClassData (classd, Symtab.insert_list eq_thm (tyco, thm) instd)) |
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); |
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(* name handling *) |
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fun certify_class thy class = |
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(fn class => (the_class_data thy class; class)) (Sign.certify_class thy class); |
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fun certify_sort thy sort = |
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map (fn class => (the_class_data thy class; class)) (Sign.certify_sort thy sort); |
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fun intern_class thy = |
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certify_class thy o Sign.intern_class thy; |
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217 |
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fun intern_sort thy = |
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certify_sort thy o Sign.intern_sort thy; |
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fun extern_class thy = |
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Sign.extern_class thy o certify_class thy; |
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|
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fun extern_sort thy = |
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Sign.extern_sort thy o certify_sort thy; |
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fun read_sort thy = |
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certify_sort thy o Sign.read_sort thy; |
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|
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(* tactics and methods *) |
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fun intro_classes_tac facts st = |
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(ALLGOALS (Method.insert_tac facts THEN' |
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REPEAT_ALL_NEW (resolve_tac (AxClass.class_intros (Thm.theory_of_thm st)))) |
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THEN Tactic.distinct_subgoals_tac) st; |
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fun default_intro_classes_tac [] = intro_classes_tac [] |
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| default_intro_classes_tac _ = Tactical.no_tac; (*no error message!*) |
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|
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fun default_tac rules ctxt facts = |
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HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE |
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243 |
default_intro_classes_tac facts; |
19038 | 244 |
|
19468 | 245 |
val _ = Context.add_setup (Method.add_methods |
246 |
[("intro_classes", Method.no_args (Method.METHOD intro_classes_tac), |
|
247 |
"back-chain introduction rules of classes"), |
|
248 |
("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), |
|
249 |
"apply some intro/elim rule")]); |
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250 |
||
19038 | 251 |
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19246 | 252 |
(* axclass instances *) |
253 |
||
254 |
local |
|
255 |
||
19412 | 256 |
fun gen_instance mk_prop add_thm after_qed inst thy = |
19246 | 257 |
thy |
258 |
|> ProofContext.init |
|
19412 | 259 |
|> Proof.theorem_i PureThy.internalK NONE (after_qed oo (fold o fold) add_thm) NONE ("", []) |
19585 | 260 |
(map (fn t => (("", []), [(t, [])])) (mk_prop thy inst)); |
19246 | 261 |
|
262 |
in |
|
263 |
||
19966 | 264 |
val axclass_instance_sort = |
19412 | 265 |
gen_instance (single oo (Logic.mk_classrel oo AxClass.read_classrel)) AxClass.add_classrel I; |
19246 | 266 |
val axclass_instance_arity = |
19412 | 267 |
gen_instance (Logic.mk_arities oo Sign.read_arity) AxClass.add_arity; |
19246 | 268 |
val axclass_instance_arity_i = |
19412 | 269 |
gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity; |
19246 | 270 |
|
271 |
end; |
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272 |
||
273 |
||
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(* classes and instances *) |
275 |
||
276 |
local |
|
277 |
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fun add_axclass_i (name, supsort) params axs thy = |
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279 |
let |
19395 | 280 |
val (c, thy') = thy |
19957 | 281 |
|> AxClass.define_class_i (name, supsort) params axs; |
19518 | 282 |
val {intro, axioms, ...} = AxClass.get_definition thy' c; |
19395 | 283 |
in ((c, (intro, axioms)), thy') end; |
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284 |
|
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285 |
fun prove_interpretation_i (prfx, atts) expr insts tac thy = |
19038 | 286 |
let |
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|
287 |
fun ad_hoc_term NONE = NONE |
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|
288 |
| ad_hoc_term (SOME (Const (c, ty))) = |
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|
289 |
let |
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|
290 |
val p = setmp show_types true (setmp show_sorts true (setmp print_mode [] (Sign.pretty_typ thy))) ty; |
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|
291 |
val s = c ^ "::" ^ Pretty.output p; |
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|
292 |
in SOME s end |
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|
293 |
| ad_hoc_term (SOME t) = |
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|
294 |
let |
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|
295 |
val p = setmp show_types true (setmp show_sorts true (setmp print_mode [] (Sign.pretty_term thy))) t; |
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|
296 |
val s = Pretty.output p; |
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|
297 |
in SOME s end; |
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|
298 |
in |
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|
299 |
thy |
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|
300 |
|> Locale.interpretation (prfx, atts) expr (map ad_hoc_term insts) |
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|
301 |
|> Proof.global_terminal_proof (Method.Basic (fn _ => Method.SIMPLE_METHOD tac), NONE) |
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|
302 |
|-> (fn _ => I) |
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|
303 |
end; |
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|
304 |
|
19150 | 305 |
fun gen_class add_locale prep_class bname raw_supclasses raw_elems thy = |
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|
306 |
let |
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|
307 |
val supclasses = map (prep_class thy) raw_supclasses; |
19038 | 308 |
val supsort = |
309 |
supclasses |
|
19966 | 310 |
|> map (#name_axclass o fst o the_class_data thy) |
19468 | 311 |
|> Sign.certify_sort thy |
19038 | 312 |
|> null ? K (Sign.defaultS thy); |
19966 | 313 |
val expr = (Locale.Merge o map (Locale.Locale o #name_locale o fst o the_class_data thy)) supclasses; |
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|
314 |
val mapp_sup = AList.make |
19468 | 315 |
(the o AList.lookup (op =) ((flat o map (the_parm_map thy) o the_ancestry thy) supclasses)) |
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|
316 |
((map (fst o fst) o Locale.parameters_of_expr thy) expr); |
19038 | 317 |
fun extract_tyvar_consts thy name_locale = |
318 |
let |
|
319 |
fun extract_tyvar_name thy tys = |
|
320 |
fold (curry add_typ_tfrees) tys [] |
|
321 |
|> (fn [(v, sort)] => |
|
19468 | 322 |
if Sign.subsort thy (supsort, sort) |
19038 | 323 |
then v |
324 |
else error ("illegal sort constraint on class type variable: " ^ Sign.string_of_sort thy sort) |
|
325 |
| [] => error ("no class type variable") |
|
326 |
| vs => error ("more than one type variable: " ^ (commas o map (Sign.string_of_typ thy o TFree)) vs)) |
|
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|
327 |
val consts1 = |
19038 | 328 |
Locale.parameters_of thy name_locale |
329 |
|> map (apsnd Syntax.unlocalize_mixfix) |
|
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|
330 |
val v = (extract_tyvar_name thy o map (snd o fst)) consts1; |
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|
331 |
val consts2 = map ((apfst o apsnd) (subst_clsvar v (TFree (v, [])))) consts1; |
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|
332 |
in (v, chop (length mapp_sup) consts2) end; |
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|
333 |
fun add_consts v raw_cs_sup raw_cs_this thy = |
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changeset
|
334 |
let |
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changeset
|
335 |
fun add_global_const ((c, ty), syn) thy = |
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changeset
|
336 |
thy |
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changeset
|
337 |
|> Sign.add_consts_i [(c, ty |> subst_clsvar v (TFree (v, Sign.defaultS thy)), syn)] |
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|
338 |
|> `(fn thy => (c, (Sign.intern_const thy c, ty))) |
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changeset
|
339 |
in |
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changeset
|
340 |
thy |
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changeset
|
341 |
|> fold_map add_global_const raw_cs_this |
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|
342 |
end; |
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|
343 |
fun extract_assumes thy name_locale cs_mapp = |
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changeset
|
344 |
let |
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changeset
|
345 |
val subst_assume = |
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|
346 |
map_aterms (fn Free (c, ty) => Const ((fst o the o AList.lookup (op =) cs_mapp) c, ty) |
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|
347 |
| t => t) |
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|
348 |
fun prep_asm ((name, atts), ts) = |
19957 | 349 |
((NameSpace.base name, map (Attrib.attribute thy) atts), map subst_assume ts) |
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changeset
|
350 |
in |
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changeset
|
351 |
(map prep_asm o Locale.local_asms_of thy) name_locale |
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changeset
|
352 |
end; |
19280
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changeset
|
353 |
fun add_global_constraint v class (_, (c, ty)) thy = |
19038 | 354 |
thy |
19136 | 355 |
|> Sign.add_const_constraint_i (c, SOME (subst_clsvar v (TFree (v, [class])) ty)); |
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|
356 |
fun mk_const thy class v (c, ty) = |
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changeset
|
357 |
Const (c, subst_clsvar v (TFree (v, [class])) ty); |
19038 | 358 |
in |
359 |
thy |
|
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changeset
|
360 |
|> add_locale bname expr raw_elems |
19928 | 361 |
|-> (fn (name_locale, ctxt) => |
19038 | 362 |
`(fn thy => extract_tyvar_consts thy name_locale) |
19110
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changeset
|
363 |
#-> (fn (v, (raw_cs_sup, raw_cs_this)) => |
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changeset
|
364 |
add_consts v raw_cs_sup raw_cs_this |
19280
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changeset
|
365 |
#-> (fn mapp_this => |
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changeset
|
366 |
`(fn thy => extract_assumes thy name_locale (mapp_sup @ mapp_this)) |
19110
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changeset
|
367 |
#-> (fn loc_axioms => |
19957 | 368 |
add_axclass_i (bname, supsort) (map (fst o snd) mapp_this) loc_axioms |
19110
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changeset
|
369 |
#-> (fn (name_axclass, (_, ax_axioms)) => |
19280
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diff
changeset
|
370 |
fold (add_global_constraint v name_axclass) mapp_this |
19966 | 371 |
#> add_class_data (name_locale, (name_locale, name_axclass, v, mapp_this, |
372 |
map (fst o fst) loc_axioms)) |
|
19110
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changeset
|
373 |
#> prove_interpretation_i (NameSpace.base name_locale, []) |
19280
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changeset
|
374 |
(Locale.Locale name_locale) (map (SOME o mk_const thy name_axclass v) (map snd (mapp_sup @ mapp_this))) |
19929 | 375 |
((ALLGOALS o ProofContext.fact_tac) ax_axioms) |
19110
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|
376 |
#> pair ctxt |
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changeset
|
377 |
))))) |
19038 | 378 |
end; |
379 |
||
380 |
in |
|
381 |
||
19928 | 382 |
val class = gen_class (Locale.add_locale false) intern_class; |
383 |
val class_i = gen_class (Locale.add_locale_i false) certify_class; |
|
19038 | 384 |
|
385 |
end; (* local *) |
|
386 |
||
19110
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changeset
|
387 |
local |
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diff
changeset
|
388 |
|
19957 | 389 |
fun gen_read_def thy prep_att read_def tyco ((raw_name, raw_atts), raw_t) = |
19038 | 390 |
let |
19957 | 391 |
val (_, t) = read_def thy (raw_name, raw_t); |
392 |
val ((c, ty), _) = Sign.cert_def (Sign.pp thy) t; |
|
393 |
val atts = map (prep_att thy) raw_atts; |
|
394 |
val name = case raw_name |
|
395 |
of "" => Thm.def_name (NameSpace.base c ^ "_" ^ NameSpace.base tyco) |
|
396 |
| _ => raw_name; |
|
397 |
in (c, (Logic.varifyT ty, ((name, t), atts))) end; |
|
19110
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changeset
|
398 |
|
19957 | 399 |
fun read_def thy = gen_read_def thy Attrib.attribute read_axm; |
400 |
fun read_def_i thy = gen_read_def thy (K I) (K I); |
|
19110
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diff
changeset
|
401 |
|
19957 | 402 |
fun gen_instance_arity prep_arity prep_att read_def do_proof raw_arity (raw_name, raw_atts) raw_defs theory = |
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
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19102
diff
changeset
|
403 |
let |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
404 |
val pp = Sign.pp theory; |
4bda27adcd2e
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haftmann
parents:
19102
diff
changeset
|
405 |
val arity as (tyco, asorts, sort) = prep_arity theory ((fn ((x, y), z) => (x, y, z)) raw_arity); |
20076 | 406 |
val ty_inst = |
407 |
Type (tyco, map2 (curry TVar o rpair 0) (Name.invent_list [] "'a" (length asorts)) asorts) |
|
19136 | 408 |
val name = case raw_name |
409 |
of "" => Thm.def_name ((space_implode "_" o map NameSpace.base) sort ^ "_" ^ NameSpace.base tyco) |
|
410 |
| _ => raw_name; |
|
411 |
val atts = map (prep_att theory) raw_atts; |
|
19110
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haftmann
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diff
changeset
|
412 |
fun get_consts class = |
4bda27adcd2e
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haftmann
parents:
19102
diff
changeset
|
413 |
let |
19966 | 414 |
val data = (fst o the_class_data theory) class; |
19957 | 415 |
fun defined c = |
416 |
is_some (find_first (fn (_, { lhs = [ty], ...}) => |
|
417 |
Sign.typ_instance theory (ty, ty_inst) orelse Sign.typ_instance theory (ty_inst, ty)) |
|
418 |
(Defs.specifications_of (Theory.defs_of theory) c)) |
|
419 |
val subst_ty = map_type_tfree (fn (v, sort) => |
|
420 |
if #var data = v then ty_inst else TVar ((v, 0), sort)); |
|
421 |
in |
|
422 |
(map_filter (fn (_, (c, ty)) => |
|
19966 | 423 |
if defined c then NONE else SOME ((c, (class, subst_ty ty)))) o #consts) data |
19957 | 424 |
end; |
425 |
val cs = (maps get_consts o the_ancestry theory) sort; |
|
426 |
fun read_defs defs cs = |
|
427 |
let |
|
428 |
val thy_read = (Sign.primitive_arity (tyco, asorts, sort) o Theory.copy) theory; |
|
429 |
fun read raw_def cs = |
|
430 |
let |
|
431 |
val (c, (ty, def)) = read_def thy_read tyco raw_def; |
|
19966 | 432 |
val (class, ty') = case AList.lookup (op =) cs c |
19957 | 433 |
of NONE => error ("superfluous definition for constant " ^ quote c) |
19966 | 434 |
| SOME class_ty => class_ty; |
435 |
val def' = case instantiations_of thy_read (ty, ty') |
|
436 |
of NONE => error ("superfluous definition for constant " ^ |
|
437 |
quote c ^ "::" ^ Sign.string_of_typ thy_read ty) |
|
438 |
| SOME insttab => |
|
439 |
(apfst o apsnd o map_term_types) |
|
440 |
(Logic.unvarifyT o Term.instantiateT insttab o Logic.varifyT) def |
|
441 |
in ((class, def'), AList.delete (op =) c cs) end; |
|
19957 | 442 |
in fold_map read defs cs end; |
443 |
val (defs, _) = read_defs raw_defs cs; |
|
19110
4bda27adcd2e
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haftmann
parents:
19102
diff
changeset
|
444 |
fun get_remove_contraint c thy = |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
445 |
let |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
446 |
val ty = Sign.the_const_constraint thy c; |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
447 |
in |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
448 |
thy |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
449 |
|> Sign.add_const_constraint_i (c, NONE) |
19806 | 450 |
|> pair (c, Logic.legacy_unvarifyT ty) |
19110
4bda27adcd2e
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haftmann
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19102
diff
changeset
|
451 |
end; |
19966 | 452 |
fun add_defs defs thy = |
453 |
thy |
|
454 |
|> PureThy.add_defs_i true (map snd defs) |
|
455 |
|-> (fn thms => pair (map fst defs ~~ thms)); |
|
456 |
fun register_def (class, thm) thy = |
|
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
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19102
diff
changeset
|
457 |
thy |
19966 | 458 |
|> add_inst_def ((class, tyco), thm); |
459 |
fun note_all thy = |
|
460 |
let |
|
461 |
val thms = maps (fn class => Symtab.lookup_list |
|
462 |
((snd o the_class_data thy) class) tyco) (the_ancestry thy sort); |
|
463 |
in |
|
464 |
thy |
|
465 |
|> PureThy.note_thmss_i PureThy.internalK [((name, atts), [(thms, [])])] |
|
466 |
|> snd |
|
467 |
end; |
|
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
468 |
fun after_qed cs thy = |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
469 |
thy |
19412 | 470 |
|> fold Sign.add_const_constraint_i (map (apsnd SOME) cs); |
19038 | 471 |
in |
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
472 |
theory |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
473 |
|> fold_map get_remove_contraint (map fst cs) |
19966 | 474 |
||>> add_defs defs |
20076 | 475 |
|-> (fn (cs, def_thms) => |
19966 | 476 |
fold register_def def_thms |
477 |
#> note_all |
|
478 |
#> do_proof (after_qed cs) arity) |
|
19038 | 479 |
end; |
480 |
||
19957 | 481 |
fun instance_arity' do_proof = gen_instance_arity Sign.read_arity Attrib.attribute |
482 |
read_def do_proof; |
|
483 |
fun instance_arity_i' do_proof = gen_instance_arity Sign.cert_arity (K I) |
|
484 |
read_def_i do_proof; |
|
19246 | 485 |
fun tactic_proof tac after_qed arity = AxClass.prove_arity arity tac #> after_qed; |
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
486 |
|
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
487 |
in |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
488 |
|
19957 | 489 |
val instance_arity = instance_arity' axclass_instance_arity_i; |
490 |
val instance_arity_i = instance_arity_i' axclass_instance_arity_i; |
|
19150 | 491 |
val prove_instance_arity = instance_arity_i' o tactic_proof; |
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
492 |
|
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
493 |
end; (* local *) |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
494 |
|
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
495 |
local |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
496 |
|
19966 | 497 |
fun add_interpretation_in (after_qed : theory -> theory) (name, expr) thy = |
19136 | 498 |
thy |
499 |
|> Locale.interpretation_in_locale (name, expr); |
|
500 |
||
19966 | 501 |
fun prove_interpretation_in tac (after_qed : theory -> theory) (name, expr) thy = |
19136 | 502 |
thy |
503 |
|> Locale.interpretation_in_locale (name, expr) |
|
504 |
|> Proof.global_terminal_proof (Method.Basic (fn _ => Method.SIMPLE_METHOD tac), NONE) |
|
19966 | 505 |
|> snd |
506 |
|> after_qed; |
|
19038 | 507 |
|
19150 | 508 |
fun gen_instance_sort prep_class prep_sort do_proof (raw_class, raw_sort) theory = |
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
509 |
let |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
510 |
val class = prep_class theory raw_class; |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
511 |
val sort = prep_sort theory raw_sort; |
19966 | 512 |
val loc_name = (#name_locale o fst o the_class_data theory) class; |
19468 | 513 |
val loc_expr = |
19966 | 514 |
(Locale.Merge o map (Locale.Locale o #name_locale o fst o the_class_data theory)) sort; |
515 |
val const_names = (map (NameSpace.base o fst o snd) |
|
516 |
o maps (#consts o fst o the_class_data theory) |
|
517 |
o the_ancestry theory) [class]; |
|
20106 | 518 |
fun get_thms thy = |
519 |
the_ancestry thy sort |
|
520 |
|> AList.make (the_propnames thy) |
|
521 |
|> map (apsnd (map (NameSpace.append (loc_name)))) |
|
522 |
|> map_filter (fn (superclass, thm_names) => |
|
523 |
case map_filter (try (PureThy.get_thm thy o Name)) thm_names |
|
524 |
of [] => NONE |
|
525 |
| thms => SOME (superclass, thms)); |
|
526 |
fun after_qed thy = |
|
527 |
thy |
|
528 |
|> `get_thms |
|
529 |
|-> fold (fn (supclass, thms) => I |
|
530 |
AxClass.prove_classrel (class, supclass) |
|
531 |
(ALLGOALS (K (intro_classes_tac [])) THEN |
|
532 |
(ALLGOALS o ProofContext.fact_tac) thms)) |
|
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
533 |
in |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
534 |
theory |
19136 | 535 |
|> do_proof after_qed (loc_name, loc_expr) |
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
536 |
end; |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
537 |
|
19150 | 538 |
fun instance_sort' do_proof = gen_instance_sort intern_class read_sort do_proof; |
539 |
fun instance_sort_i' do_proof = gen_instance_sort certify_class certify_sort do_proof; |
|
19136 | 540 |
val setup_proof = add_interpretation_in; |
541 |
val tactic_proof = prove_interpretation_in; |
|
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
542 |
|
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
543 |
in |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
544 |
|
19150 | 545 |
val instance_sort = instance_sort' setup_proof; |
546 |
val instance_sort_i = instance_sort_i' setup_proof; |
|
547 |
val prove_instance_sort = instance_sort_i' o tactic_proof; |
|
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
548 |
|
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
549 |
end; (* local *) |
19038 | 550 |
|
19957 | 551 |
|
18168 | 552 |
(* extracting dictionary obligations from types *) |
553 |
||
554 |
type sortcontext = (string * sort) list; |
|
555 |
||
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
556 |
fun sortcontext_of_typ thy ty = |
18702 | 557 |
(typ_tfrees o fst o Type.freeze_thaw_type) ty |
18884 | 558 |
|> map (apsnd (operational_sort_of thy)) |
18168 | 559 |
|> filter (not o null o snd); |
560 |
||
18884 | 561 |
datatype classlookup = Instance of (class * string) * classlookup list list |
19253 | 562 |
| Lookup of class list * (string * (int * int)) |
19213 | 563 |
|
564 |
fun pretty_lookup' (Instance ((class, tyco), lss)) = |
|
565 |
(Pretty.block o Pretty.breaks) ( |
|
566 |
Pretty.enum "," "{" "}" [Pretty.str class, Pretty.str tyco] |
|
567 |
:: map pretty_lookup lss |
|
568 |
) |
|
19253 | 569 |
| pretty_lookup' (Lookup (classes, (v, (i, j)))) = |
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
570 |
Pretty.enum " <" "[" "]" (map Pretty.str classes @ |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
571 |
[Pretty.str (v ^ "!" ^ string_of_int i ^ "/" ^ string_of_int j)]) |
19213 | 572 |
and pretty_lookup ls = (Pretty.enum "," "(" ")" o map pretty_lookup') ls; |
18168 | 573 |
|
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
574 |
fun sortlookup thy (sort_decl, typ_ctxt) = |
18168 | 575 |
let |
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
576 |
val pp = Sign.pp thy; |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
577 |
val algebra = Sorts.project_algebra pp (is_operational_class thy) |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
578 |
(Sign.classes_of thy); |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
579 |
fun classrel (l as Lookup (classes, p), _) class = |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
580 |
Lookup (class :: classes, p) |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
581 |
| classrel (Instance ((_, tyco), lss), _) class = |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
582 |
Instance ((class, tyco), lss); |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
583 |
fun constructor tyco lss class = |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
584 |
Instance ((class, tyco), (map o map) fst lss) |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
585 |
fun variable (TFree (v, sort)) = |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
586 |
map_index (fn (n, class) => (Lookup ([], (v, (n, length sort))), class)) |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
587 |
(operational_sort_of thy sort) |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
588 |
| variable (TVar _) = error "TVar encountered while deriving sortlookup"; |
18864 | 589 |
in |
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
590 |
Sorts.of_sort_derivation pp algebra |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
591 |
{classrel = classrel, constructor = constructor, variable = variable} |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
592 |
(typ_ctxt, operational_sort_of thy sort_decl) |
18864 | 593 |
end; |
594 |
||
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
595 |
fun sortlookups_const thy (c, typ_ctxt) = |
18864 | 596 |
let |
20106 | 597 |
val typ_decl = case AxClass.class_of_param thy c |
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
598 |
of NONE => Sign.the_const_type thy c |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
599 |
| SOME class => case the_consts_sign thy class of (v, cs) => |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
600 |
(Logic.legacy_varifyT o subst_clsvar v (TFree (v, [class]))) |
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
601 |
((the o AList.lookup (op =) cs) c) |
18168 | 602 |
in |
19957 | 603 |
instantiations_of thy (typ_decl, typ_ctxt) |
604 |
|> the |
|
605 |
|> map (fn ((_, sort), ty) => sortlookup thy (sort, ty)) |
|
19953
2f54a51f1801
class package refinements, slight code generation refinements
haftmann
parents:
19929
diff
changeset
|
606 |
|> filter_out null |
18168 | 607 |
end; |
608 |
||
18884 | 609 |
|
18515 | 610 |
(* toplevel interface *) |
611 |
||
612 |
local |
|
613 |
||
614 |
structure P = OuterParse |
|
615 |
and K = OuterKeyword |
|
616 |
||
617 |
in |
|
618 |
||
18849
05a16861d3a5
added three times overloaded Isar instance command
haftmann
parents:
18829
diff
changeset
|
619 |
val (classK, instanceK) = ("class", "instance") |
18515 | 620 |
|
20106 | 621 |
fun wrap_add_instance_sort ((class, sort), use_interp) thy = |
622 |
if use_interp |
|
19966 | 623 |
andalso forall (is_some o lookup_class_data thy) (Sign.read_sort thy sort) |
624 |
then |
|
625 |
instance_sort (class, sort) thy |
|
626 |
else |
|
20106 | 627 |
axclass_instance_sort (class, sort) thy; |
19136 | 628 |
|
18911 | 629 |
val parse_inst = |
19136 | 630 |
(Scan.optional (P.$$$ "(" |-- P.!!! (P.list1 P.sort --| P.$$$ ")")) [] -- P.xname --| P.$$$ "::" -- P.sort) |
631 |
>> (fn ((asorts, tyco), sort) => ((tyco, asorts), sort)) |
|
632 |
|| (P.xname --| P.$$$ "::" -- P.!!! P.arity) |
|
633 |
>> (fn (tyco, (asorts, sort)) => ((tyco, asorts), sort)); |
|
18911 | 634 |
|
19038 | 635 |
val locale_val = |
636 |
(P.locale_expr -- |
|
637 |
Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 P.context_element)) [] || |
|
638 |
Scan.repeat1 P.context_element >> pair Locale.empty); |
|
639 |
||
19280
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
640 |
val class_subP = P.name -- Scan.repeat (P.$$$ "+" |-- P.name) >> (op ::); |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
641 |
val class_bodyP = P.!!! (Scan.repeat1 P.context_element); |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
642 |
|
18515 | 643 |
val classP = |
18849
05a16861d3a5
added three times overloaded Isar instance command
haftmann
parents:
18829
diff
changeset
|
644 |
OuterSyntax.command classK "operational type classes" K.thy_decl ( |
05a16861d3a5
added three times overloaded Isar instance command
haftmann
parents:
18829
diff
changeset
|
645 |
P.name --| P.$$$ "=" |
19280
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
646 |
-- ( |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
647 |
class_subP --| P.$$$ "+" -- class_bodyP |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
648 |
|| class_subP >> rpair [] |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
649 |
|| class_bodyP >> pair [] |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
650 |
) >> (Toplevel.theory_context |
5091dc43817b
slight improvement in serializer, stub for code generator theorems added
haftmann
parents:
19253
diff
changeset
|
651 |
o (fn (bname, (supclasses, elems)) => class bname supclasses elems))); |
18515 | 652 |
|
18575 | 653 |
val instanceP = |
18849
05a16861d3a5
added three times overloaded Isar instance command
haftmann
parents:
18829
diff
changeset
|
654 |
OuterSyntax.command instanceK "prove type arity or subclass relation" K.thy_goal (( |
20106 | 655 |
P.xname -- ((P.$$$ "\\<subseteq>" || P.$$$ "<") |-- P.!!! P.xname) -- P.opt_keyword "open" >> wrap_add_instance_sort |
19136 | 656 |
|| P.opt_thm_name ":" -- (parse_inst -- Scan.repeat (P.opt_thm_name ":" -- P.prop)) |
19246 | 657 |
>> (fn (("", []), (((tyco, asorts), sort), [])) => axclass_instance_arity I (tyco, asorts, sort) |
19150 | 658 |
| (natts, (inst, defs)) => instance_arity inst natts defs) |
18849
05a16861d3a5
added three times overloaded Isar instance command
haftmann
parents:
18829
diff
changeset
|
659 |
) >> (Toplevel.print oo Toplevel.theory_to_proof)); |
18575 | 660 |
|
19110
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
661 |
val _ = OuterSyntax.add_parsers [classP, instanceP]; |
4bda27adcd2e
moved intro_classes from AxClass to ClassPackage
haftmann
parents:
19102
diff
changeset
|
662 |
|
18515 | 663 |
end; (* local *) |
664 |
||
18168 | 665 |
end; (* struct *) |