author | haftmann |
Fri, 02 Jan 2009 08:13:12 +0100 | |
changeset 29333 | 496b94152b55 |
parent 29133 | 9d10cc6aaa02 |
child 29358 | efdfe5dfe008 |
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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(*classes*) |
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val class: bstring -> class list -> Element.context_i list |
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-> theory -> string * Proof.context |
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val class_cmd: bstring -> xstring list -> Element.context list |
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-> theory -> string * Proof.context |
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val init: class -> theory -> Proof.context |
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val declare: class -> Properties.T |
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-> (string * mixfix) * term -> theory -> theory |
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val abbrev: class -> Syntax.mode -> Properties.T |
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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_tac: Proof.context -> thm list -> tactic |
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val prove_subclass: class * class -> thm option -> theory -> theory |
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val class_prefix: string -> string |
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val is_class: theory -> class -> bool |
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val these_params: theory -> sort -> (string * (class * (string * typ))) list |
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val print_classes: theory -> unit |
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(*instances*) |
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val init_instantiation: string list * (string * sort) list * sort |
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-> theory -> local_theory |
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val instantiation_instance: (local_theory -> local_theory) |
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-> local_theory -> Proof.state |
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val prove_instantiation_instance: (Proof.context -> tactic) |
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-> local_theory -> local_theory |
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val prove_instantiation_exit: (Proof.context -> tactic) |
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-> local_theory -> theory |
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val prove_instantiation_exit_result: (morphism -> 'a -> 'b) |
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-> (Proof.context -> 'b -> tactic) -> 'a -> local_theory -> 'b * theory |
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val conclude_instantiation: local_theory -> local_theory |
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val instantiation_param: local_theory -> string -> string option |
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val confirm_declaration: string -> local_theory -> local_theory |
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val pretty_instantiation: local_theory -> Pretty.T |
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val type_name: string -> string |
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(*old axclass layer*) |
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val axclass_cmd: bstring * xstring list |
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-> (Attrib.binding * 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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(*old instance layer*) |
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val instance_arity: (theory -> theory) -> arity -> theory -> Proof.state |
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val instance_arity_cmd: bstring * xstring list * xstring -> theory -> Proof.state |
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end; |
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structure Class : CLASS = |
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struct |
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(*temporary adaption code to mediate between old and new locale code*) |
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structure Old_Locale = |
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struct |
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val intro_locales_tac = Locale.intro_locales_tac; (*already forked!*) |
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val interpretation = Locale.interpretation; |
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val interpretation_in_locale = Locale.interpretation_in_locale; |
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val get_interpret_morph = Locale.get_interpret_morph; |
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val Locale = Locale.Locale; |
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val extern = Locale.extern; |
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val intros = Locale.intros; |
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val dests = Locale.dests; |
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val init = Locale.init; |
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val Merge = Locale.Merge; |
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val parameters_of_expr = Locale.parameters_of_expr; |
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val empty = Locale.empty; |
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val cert_expr = Locale.cert_expr; |
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val read_expr = Locale.read_expr; |
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val parameters_of = Locale.parameters_of; |
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val add_locale = Locale.add_locale; |
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end; |
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(*structure New_Locale = |
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struct |
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val intro_locales_tac = Locale.intro_locales_tac; (*already forked!*) |
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val interpretation = Locale.interpretation; (*!*) |
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val interpretation_in_locale = Locale.interpretation_in_locale; (*!*) |
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val get_interpret_morph = Locale.get_interpret_morph; (*!*) |
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fun Locale loc = ([(loc, ("", Expression.Positional []))], []); |
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val extern = NewLocale.extern; |
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val intros = Locale.intros; (*!*) |
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val dests = Locale.dests; (*!*) |
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val init = NewLocale.init; |
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fun Merge locs = (map (fn loc => (loc, ("", Expression.Positional []))) locs, []); |
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val parameters_of_expr = Locale.parameters_of_expr; (*!*) |
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val empty = ([], []); |
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val cert_expr = Locale.cert_expr; (*!"*) |
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val read_expr = Locale.read_expr; (*!"*) |
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val parameters_of = NewLocale.params_of; (*why typ option?*) |
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val add_locale = Expression.add_locale; |
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end;*) |
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structure Locale = Old_Locale; |
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(*proper code again*) |
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(** auxiliary **) |
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fun prove_interpretation tac prfx_atts expr inst = |
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Locale.interpretation I prfx_atts expr inst |
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##> Proof.global_terminal_proof |
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(Method.Basic (fn ctxt => Method.SIMPLE_METHOD (tac ctxt), 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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val class_prefix = Logic.const_of_class o Sign.base_name; |
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fun class_name_morphism class = |
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Binding.map_prefix (K (Binding.add_prefix false (class_prefix class))); |
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fun activate_class_morphism thy class inst morphism = |
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Locale.get_interpret_morph thy (class_name_morphism class) (class, "") morphism class inst; |
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fun prove_class_interpretation class inst consts hyp_facts def_facts thy = |
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let |
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val constraints = map (fn (class, c) => map_atyps (K (TFree (Name.aT, |
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[class]))) (Sign.the_const_type thy c)) consts; |
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val no_constraints = map (map_atyps (K (TFree (Name.aT, [])))) constraints; |
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fun add_constraint c T = Sign.add_const_constraint (c, SOME T); |
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fun tac ctxt = ALLGOALS (ProofContext.fact_tac (hyp_facts @ def_facts) |
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ORELSE' (fn n => SELECT_GOAL (Locale.intro_locales_tac false ctxt []) n)); |
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val prfx = class_prefix class; |
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in |
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thy |
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|> fold2 add_constraint (map snd consts) no_constraints |
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|> prove_interpretation tac (class_name_morphism class) (Locale.Locale class) |
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(map SOME inst, map (pair (Attrib.empty_binding) o Thm.prop_of) def_facts) |
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||> fold2 add_constraint (map snd consts) constraints |
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end; |
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(** primitive axclass and instance commands **) |
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fun axclass_cmd (class, raw_superclasses) raw_specs thy = |
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let |
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val ctxt = ProofContext.init thy; |
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val superclasses = map (Sign.read_class thy) raw_superclasses; |
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val name_atts = map ((apsnd o map) (Attrib.attribute thy) o fst) |
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raw_specs; |
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val axiomss = ProofContext.read_propp (ctxt, map (map (rpair []) o snd) |
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raw_specs) |
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|> snd |
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|> (map o map) fst; |
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in |
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AxClass.define_class (class, superclasses) [] |
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(name_atts ~~ axiomss) thy |
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end; |
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local |
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fun gen_instance mk_prop add_thm after_qed insts thy = |
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let |
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fun after_qed' results = |
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ProofContext.theory ((fold o fold) add_thm results #> after_qed); |
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in |
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thy |
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|> ProofContext.init |
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|> Proof.theorem_i NONE after_qed' ((map (fn t => [(t, [])]) |
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o mk_prop thy) insts) |
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end; |
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in |
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val instance_arity = |
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gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity; |
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val instance_arity_cmd = |
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gen_instance (Logic.mk_arities oo Sign.read_arity) AxClass.add_arity I; |
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val classrel = |
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gen_instance (single oo (Logic.mk_classrel oo AxClass.cert_classrel)) AxClass.add_classrel I; |
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val classrel_cmd = |
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gen_instance (single oo (Logic.mk_classrel oo AxClass.read_classrel)) AxClass.add_classrel I; |
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end; (*local*) |
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(** class data **) |
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datatype class_data = ClassData of { |
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(* static part *) |
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consts: (string * string) list |
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(*locale parameter ~> constant name*), |
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base_sort: sort, |
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inst: term list |
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(*canonical interpretation*), |
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morphism: Morphism.morphism * ((typ Vartab.table * typ list) * (term Vartab.table * term list)) |
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(*morphism cookie of canonical interpretation*), |
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assm_intro: thm option, |
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of_class: thm, |
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axiom: thm option, |
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(* dynamic part *) |
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defs: thm list, |
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operations: (string * (class * (typ * term))) list |
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}; |
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fun rep_class_data (ClassData d) = d; |
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fun mk_class_data ((consts, base_sort, inst, morphism, assm_intro, of_class, axiom), |
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(defs, operations)) = |
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ClassData { consts = consts, base_sort = base_sort, inst = inst, |
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morphism = morphism, assm_intro = assm_intro, of_class = of_class, axiom = axiom, |
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defs = defs, operations = operations }; |
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fun map_class_data f (ClassData { consts, base_sort, inst, morphism, assm_intro, |
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of_class, axiom, defs, operations }) = |
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mk_class_data (f ((consts, base_sort, inst, morphism, assm_intro, of_class, axiom), |
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(defs, operations))); |
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fun merge_class_data _ (ClassData { consts = consts, |
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base_sort = base_sort, inst = inst, morphism = morphism, assm_intro = assm_intro, |
235 |
of_class = of_class, axiom = axiom, defs = defs1, operations = operations1 }, |
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ClassData { consts = _, base_sort = _, inst = _, morphism = _, assm_intro = _, |
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of_class = _, axiom = _, defs = defs2, operations = operations2 }) = |
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mk_class_data ((consts, base_sort, inst, morphism, assm_intro, of_class, axiom), |
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(Thm.merge_thms (defs1, defs2), |
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AList.merge (op =) (K true) (operations1, operations2))); |
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structure ClassData = TheoryDataFun |
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243 |
( |
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type T = class_data Graph.T |
245 |
val empty = Graph.empty; |
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24218 | 246 |
val copy = I; |
247 |
val extend = I; |
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fun merge _ = Graph.join merge_class_data; |
24218 | 249 |
); |
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||
251 |
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252 |
(* queries *) |
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253 |
||
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val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node o ClassData.get; |
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fun the_class_data thy class = case lookup_class_data thy class |
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of NONE => error ("Undeclared 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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262 |
val ancestry = Graph.all_succs o ClassData.get; |
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fun the_inst thy = #inst o the_class_data thy; |
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fun these_params thy = |
24218 | 267 |
let |
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fun params class = |
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let |
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val const_typs = (#params o AxClass.get_info thy) class; |
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val const_names = (#consts o the_class_data thy) class; |
24218 | 272 |
in |
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(map o apsnd) |
274 |
(fn c => (class, (c, (the o AList.lookup (op =) const_typs) c))) const_names |
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24218 | 275 |
end; |
276 |
in maps params o ancestry thy end; |
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277 |
||
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fun these_assm_intros thy = |
279 |
Graph.fold (fn (_, (data, _)) => fold (insert Thm.eq_thm) |
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((the_list o #assm_intro o rep_class_data) data)) (ClassData.get thy) []; |
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fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy; |
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|
24836 | 284 |
fun these_operations thy = |
285 |
maps (#operations o the_class_data thy) o ancestry thy; |
|
24657 | 286 |
|
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287 |
fun morphism thy class = |
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288 |
let |
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289 |
val { inst, morphism, ... } = the_class_data thy class; |
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290 |
in activate_class_morphism thy class inst morphism end; |
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|
291 |
|
24218 | 292 |
fun print_classes thy = |
293 |
let |
|
24920 | 294 |
val ctxt = ProofContext.init thy; |
24218 | 295 |
val algebra = Sign.classes_of thy; |
296 |
val arities = |
|
297 |
Symtab.empty |
|
298 |
|> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) => |
|
299 |
Symtab.map_default (class, []) (insert (op =) tyco)) arities) |
|
300 |
((#arities o Sorts.rep_algebra) algebra); |
|
301 |
val the_arities = these o Symtab.lookup arities; |
|
302 |
fun mk_arity class tyco = |
|
303 |
let |
|
304 |
val Ss = Sorts.mg_domain algebra tyco [class]; |
|
24920 | 305 |
in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end; |
24218 | 306 |
fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: " |
24920 | 307 |
^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty); |
24218 | 308 |
fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [ |
25062 | 309 |
(SOME o Pretty.str) ("class " ^ Sign.extern_class thy class ^ ":"), |
24218 | 310 |
(SOME o Pretty.block) [Pretty.str "supersort: ", |
24920 | 311 |
(Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class], |
25062 | 312 |
if is_class thy class then (SOME o Pretty.str) |
313 |
("locale: " ^ Locale.extern thy class) else NONE, |
|
314 |
((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks) |
|
315 |
(Pretty.str "parameters:" :: ps)) o map mk_param |
|
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316 |
o these o Option.map #params o try (AxClass.get_info thy)) class, |
24218 | 317 |
(SOME o Pretty.block o Pretty.breaks) [ |
318 |
Pretty.str "instances:", |
|
319 |
Pretty.list "" "" (map (mk_arity class) (the_arities class)) |
|
320 |
] |
|
321 |
] |
|
322 |
in |
|
24589 | 323 |
(Pretty.writeln o Pretty.chunks o separate (Pretty.str "") |
324 |
o map mk_entry o Sorts.all_classes) algebra |
|
24218 | 325 |
end; |
326 |
||
327 |
||
328 |
(* updaters *) |
|
329 |
||
25618 | 330 |
fun add_class_data ((class, superclasses), |
25711 | 331 |
(params, base_sort, inst, phi, axiom, assm_intro, of_class)) thy = |
25002 | 332 |
let |
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|
333 |
val operations = map (fn (v_ty as (_, ty), (c, _)) => |
25683 | 334 |
(c, (class, (ty, Free v_ty)))) params; |
25038 | 335 |
val add_class = Graph.new_node (class, |
25683 | 336 |
mk_class_data (((map o pairself) fst params, base_sort, |
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|
337 |
inst, phi, assm_intro, of_class, axiom), ([], operations))) |
25002 | 338 |
#> fold (curry Graph.add_edge class) superclasses; |
25618 | 339 |
in ClassData.map add_class thy end; |
24218 | 340 |
|
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|
341 |
fun register_operation class (c, (t, some_def)) thy = |
25062 | 342 |
let |
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|
343 |
val base_sort = (#base_sort o the_class_data thy) class; |
26518 | 344 |
val prep_typ = map_type_tvar |
345 |
(fn (vi as (v, _), sort) => if Name.aT = v |
|
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|
346 |
then TFree (v, base_sort) else TVar (vi, sort)); |
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347 |
val t' = map_types prep_typ t; |
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|
348 |
val ty' = Term.fastype_of t'; |
25062 | 349 |
in |
350 |
thy |
|
351 |
|> (ClassData.map o Graph.map_node class o map_class_data o apsnd) |
|
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|
352 |
(fn (defs, operations) => |
25096 | 353 |
(fold cons (the_list some_def) defs, |
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|
354 |
(c, (class, (ty', t'))) :: operations)) |
25062 | 355 |
end; |
24218 | 356 |
|
24589 | 357 |
|
358 |
(** rule calculation, tactics and methods **) |
|
359 |
||
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360 |
fun calculate_axiom thy sups base_sort assm_axiom param_map class = |
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|
361 |
case Locale.intros thy class |
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|
362 |
of (_, []) => assm_axiom |
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|
363 |
| (_, [intro]) => |
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|
364 |
let |
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|
365 |
fun instantiate thy sort = Thm.instantiate ([pairself (Thm.ctyp_of thy o TVar o pair (Name.aT, 0)) |
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|
366 |
(base_sort, sort)], map (fn (v, (c, ty)) => pairself (Thm.cterm_of thy) |
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|
367 |
(Var ((v, 0), map_atyps (fn _ => TVar ((Name.aT, 0), sort)) ty), |
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|
368 |
Const (c, map_atyps (fn _ => TVar ((Name.aT, 0), sort)) ty))) param_map); |
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|
369 |
val axiom_premises = map_filter (#axiom o the_class_data thy) sups |
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|
370 |
@ the_list assm_axiom; |
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|
371 |
in intro |
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|
372 |
|> instantiate thy [class] |
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|
373 |
|> (fn thm => thm OF axiom_premises) |
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|
374 |
|> Drule.standard' |
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|
375 |
|> Thm.close_derivation |
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|
376 |
|> SOME |
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|
377 |
end; |
25024 | 378 |
|
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|
379 |
fun calculate_rules thy phi sups base_sort param_map axiom class = |
25062 | 380 |
let |
25711 | 381 |
fun instantiate thy sort = Thm.instantiate ([pairself (Thm.ctyp_of thy o TVar o pair (Name.aT, 0)) |
382 |
(base_sort, sort)], map (fn (v, (c, ty)) => pairself (Thm.cterm_of thy) |
|
383 |
(Var ((v, 0), map_atyps (fn _ => TVar ((Name.aT, 0), sort)) ty), |
|
384 |
Const (c, map_atyps (fn _ => TVar ((Name.aT, 0), sort)) ty))) param_map); |
|
385 |
val defs = these_defs thy sups; |
|
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|
386 |
val assm_intro = Locale.intros thy class |
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|
387 |
|> fst |
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|
388 |
|> map (instantiate thy base_sort) |
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|
389 |
|> map (MetaSimplifier.rewrite_rule defs) |
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diff
changeset
|
390 |
|> map Thm.close_derivation |
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changeset
|
391 |
|> try the_single; |
25711 | 392 |
val fixate = Thm.instantiate |
393 |
(map (pairself (Thm.ctyp_of thy)) [(TVar ((Name.aT, 0), []), TFree (Name.aT, base_sort)), |
|
394 |
(TVar ((Name.aT, 0), base_sort), TFree (Name.aT, base_sort))], []) |
|
25618 | 395 |
val of_class_sups = if null sups |
25711 | 396 |
then map (fixate o Thm.class_triv thy) base_sort |
397 |
else map (fixate o #of_class o the_class_data thy) sups; |
|
25683 | 398 |
val locale_dests = map Drule.standard' (Locale.dests thy class); |
25711 | 399 |
val num_trivs = case length locale_dests |
400 |
of 0 => if is_none axiom then 0 else 1 |
|
401 |
| n => n; |
|
402 |
val pred_trivs = if num_trivs = 0 then [] |
|
403 |
else the axiom |
|
404 |
|> Thm.prop_of |
|
405 |
|> (map_types o map_atyps o K) (TFree (Name.aT, base_sort)) |
|
406 |
|> (Thm.assume o Thm.cterm_of thy) |
|
407 |
|> replicate num_trivs; |
|
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diff
changeset
|
408 |
val axclass_intro = (#intro o AxClass.get_info thy) class; |
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diff
changeset
|
409 |
val of_class = (fixate axclass_intro OF of_class_sups OF locale_dests OF pred_trivs) |
25711 | 410 |
|> Drule.standard' |
26628
63306cb94313
replaced Drule.close_derivation/Goal.close_result by Thm.close_derivation (removed obsolete compression);
wenzelm
parents:
26596
diff
changeset
|
411 |
|> Thm.close_derivation; |
28715
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diff
changeset
|
412 |
in (assm_intro, of_class) end; |
24218 | 413 |
|
27684
f45fd1159a4b
subclass now also works for subclasses with empty specificaton
haftmann
parents:
27281
diff
changeset
|
414 |
fun prove_subclass (sub, sup) some_thm thy = |
25618 | 415 |
let |
25711 | 416 |
val of_class = (#of_class o the_class_data thy) sup; |
27684
f45fd1159a4b
subclass now also works for subclasses with empty specificaton
haftmann
parents:
27281
diff
changeset
|
417 |
val intro = case some_thm |
f45fd1159a4b
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haftmann
parents:
27281
diff
changeset
|
418 |
of SOME thm => Drule.standard' (of_class OF [Drule.standard' thm]) |
f45fd1159a4b
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haftmann
parents:
27281
diff
changeset
|
419 |
| NONE => Thm.instantiate ([pairself (Thm.ctyp_of thy o TVar o pair (Name.aT, 0)) |
f45fd1159a4b
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haftmann
parents:
27281
diff
changeset
|
420 |
([], [sub])], []) of_class; |
f45fd1159a4b
subclass now also works for subclasses with empty specificaton
haftmann
parents:
27281
diff
changeset
|
421 |
val classrel = (intro OF (the_list o #axiom o the_class_data thy) sub) |
f45fd1159a4b
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haftmann
parents:
27281
diff
changeset
|
422 |
|> Thm.close_derivation; |
25618 | 423 |
in |
424 |
thy |
|
425 |
|> AxClass.add_classrel classrel |
|
27684
f45fd1159a4b
subclass now also works for subclasses with empty specificaton
haftmann
parents:
27281
diff
changeset
|
426 |
|> prove_interpretation_in (ALLGOALS (ProofContext.fact_tac (the_list some_thm))) |
25618 | 427 |
I (sub, Locale.Locale sup) |
428 |
|> ClassData.map (Graph.add_edge (sub, sup)) |
|
429 |
end; |
|
430 |
||
28715
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parents:
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changeset
|
431 |
fun note_assm_intro class assm_intro thy = |
238f9966c80e
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haftmann
parents:
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diff
changeset
|
432 |
thy |
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parents:
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diff
changeset
|
433 |
|> Sign.sticky_prefix (class_prefix class ^ "_" ^ AxClass.axiomsN) |
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haftmann
parents:
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diff
changeset
|
434 |
|> PureThy.store_thm (AxClass.introN, assm_intro) |
238f9966c80e
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haftmann
parents:
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diff
changeset
|
435 |
|> snd |
238f9966c80e
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haftmann
parents:
28674
diff
changeset
|
436 |
|> Sign.restore_naming thy; |
238f9966c80e
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haftmann
parents:
28674
diff
changeset
|
437 |
|
24218 | 438 |
fun intro_classes_tac facts st = |
439 |
let |
|
440 |
val thy = Thm.theory_of_thm st; |
|
441 |
val classes = Sign.all_classes thy; |
|
442 |
val class_trivs = map (Thm.class_triv thy) classes; |
|
25618 | 443 |
val class_intros = map_filter (try (#intro o AxClass.get_info thy)) classes; |
444 |
val assm_intros = these_assm_intros thy; |
|
24218 | 445 |
in |
25618 | 446 |
Method.intros_tac (class_trivs @ class_intros @ assm_intros) facts st |
24218 | 447 |
end; |
448 |
||
26470 | 449 |
fun default_intro_tac ctxt [] = |
29029
1945e0185097
NewLocale.intro_locales_tac added to Class.default_intro_tac.
ballarin
parents:
29006
diff
changeset
|
450 |
intro_classes_tac [] ORELSE NewLocale.intro_locales_tac true ctxt [] ORELSE |
1945e0185097
NewLocale.intro_locales_tac added to Class.default_intro_tac.
ballarin
parents:
29006
diff
changeset
|
451 |
Locale.intro_locales_tac true ctxt [] |
26470 | 452 |
| default_intro_tac _ _ = no_tac; |
24218 | 453 |
|
454 |
fun default_tac rules ctxt facts = |
|
455 |
HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE |
|
26470 | 456 |
default_intro_tac ctxt facts; |
24218 | 457 |
|
26463 | 458 |
val _ = Context.>> (Context.map_theory |
459 |
(Method.add_methods |
|
460 |
[("intro_classes", Method.no_args (Method.METHOD intro_classes_tac), |
|
461 |
"back-chain introduction rules of classes"), |
|
462 |
("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), |
|
463 |
"apply some intro/elim rule")])); |
|
464 |
||
24218 | 465 |
|
24589 | 466 |
(** classes and class target **) |
24218 | 467 |
|
25002 | 468 |
(* class context syntax *) |
24748 | 469 |
|
26238 | 470 |
fun synchronize_class_syntax sups base_sort ctxt = |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
471 |
let |
25344
00c2179db769
synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents:
25326
diff
changeset
|
472 |
val thy = ProofContext.theory_of ctxt; |
26596 | 473 |
val algebra = Sign.classes_of thy; |
25083 | 474 |
val operations = these_operations thy sups; |
26518 | 475 |
fun subst_class_typ sort = map_type_tfree (K (TVar ((Name.aT, 0), sort))); |
476 |
val primary_constraints = |
|
25368
f12613fda79d
proper implementation of check phase; non-qualified names for class operations
haftmann
parents:
25344
diff
changeset
|
477 |
(map o apsnd) (subst_class_typ base_sort o fst o snd) operations; |
26518 | 478 |
val secondary_constraints = |
25368
f12613fda79d
proper implementation of check phase; non-qualified names for class operations
haftmann
parents:
25344
diff
changeset
|
479 |
(map o apsnd) (fn (class, (ty, _)) => subst_class_typ [class] ty) operations; |
25318
c8352b38d47d
synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents:
25311
diff
changeset
|
480 |
fun declare_const (c, _) = |
c8352b38d47d
synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents:
25311
diff
changeset
|
481 |
let val b = Sign.base_name c |
25344
00c2179db769
synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents:
25326
diff
changeset
|
482 |
in Sign.intern_const thy b = c ? Variable.declare_const (b, c) end; |
26518 | 483 |
fun improve (c, ty) = (case AList.lookup (op =) primary_constraints c |
26238 | 484 |
of SOME ty' => (case try (Type.raw_match (ty', ty)) Vartab.empty |
485 |
of SOME tyenv => (case Vartab.lookup tyenv (Name.aT, 0) |
|
26596 | 486 |
of SOME (_, ty' as TVar (tvar as (vi, sort))) => |
26238 | 487 |
if TypeInfer.is_param vi |
26596 | 488 |
andalso Sorts.sort_le algebra (base_sort, sort) |
489 |
then SOME (ty', TFree (Name.aT, base_sort)) |
|
490 |
else NONE |
|
26238 | 491 |
| _ => NONE) |
492 |
| NONE => NONE) |
|
493 |
| NONE => NONE) |
|
494 |
fun subst (c, ty) = Option.map snd (AList.lookup (op =) operations c); |
|
25368
f12613fda79d
proper implementation of check phase; non-qualified names for class operations
haftmann
parents:
25344
diff
changeset
|
495 |
val unchecks = map (fn (c, (_, (ty, t))) => (t, Const (c, ty))) operations; |
25083 | 496 |
in |
497 |
ctxt |
|
26518 | 498 |
|> fold declare_const primary_constraints |
499 |
|> Overloading.map_improvable_syntax (K (((primary_constraints, secondary_constraints), |
|
26730 | 500 |
(((improve, subst), true), unchecks)), false)) |
26518 | 501 |
|> Overloading.set_primary_constraints |
25083 | 502 |
end; |
503 |
||
504 |
fun refresh_syntax class ctxt = |
|
25002 | 505 |
let |
506 |
val thy = ProofContext.theory_of ctxt; |
|
25062 | 507 |
val base_sort = (#base_sort o the_class_data thy) class; |
26238 | 508 |
in synchronize_class_syntax [class] base_sort ctxt end; |
25002 | 509 |
|
25344
00c2179db769
synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents:
25326
diff
changeset
|
510 |
fun init_ctxt sups base_sort ctxt = |
25083 | 511 |
ctxt |
512 |
|> Variable.declare_term |
|
513 |
(Logic.mk_type (TFree (Name.aT, base_sort))) |
|
26238 | 514 |
|> synchronize_class_syntax sups base_sort |
515 |
|> Overloading.add_improvable_syntax; |
|
24901
d3cbf79769b9
added first version of user-space type system for class target
haftmann
parents:
24847
diff
changeset
|
516 |
|
25311 | 517 |
fun init class thy = |
518 |
thy |
|
519 |
|> Locale.init class |
|
25344
00c2179db769
synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents:
25326
diff
changeset
|
520 |
|> init_ctxt [class] ((#base_sort o the_class_data thy) class); |
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset
|
521 |
|
24748 | 522 |
|
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
523 |
(* class target *) |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
524 |
|
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
525 |
fun declare class pos ((c, mx), dict) thy = |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
526 |
let |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
527 |
val prfx = class_prefix class; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
528 |
val thy' = thy |> Sign.add_path prfx; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
529 |
val phi = morphism thy' class; |
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
530 |
val inst = the_inst thy' class; |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
531 |
val params = map (apsnd fst o snd) (these_params thy' [class]); |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
532 |
|
28965 | 533 |
val c' = Sign.full_bname thy' c; |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
534 |
val dict' = Morphism.term phi dict; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
535 |
val dict_def = map_types Logic.unvarifyT dict'; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
536 |
val ty' = Term.fastype_of dict_def; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
537 |
val ty'' = Type.strip_sorts ty'; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
538 |
val def_eq = Logic.mk_equals (Const (c', ty'), dict_def); |
28674 | 539 |
fun get_axiom thy = ((Thm.varifyT o Thm.axiom thy) c', thy); |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
540 |
in |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
541 |
thy' |
28965 | 542 |
|> Sign.declare_const pos ((Binding.name c, ty''), mx) |> snd |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
543 |
|> Thm.add_def false false (c, def_eq) |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
544 |
|>> Thm.symmetric |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
545 |
||>> get_axiom |
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
546 |
|-> (fn (def, def') => prove_class_interpretation class inst params [] [def] |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
547 |
#> snd |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
548 |
(*assumption: interpretation cookie does not change |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
549 |
by adding equations to interpretation*) |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
550 |
#> register_operation class (c', (dict', SOME (Thm.symmetric def'))) |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
551 |
#> PureThy.store_thm (c ^ "_raw", def') |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
552 |
#> snd) |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
553 |
|> Sign.restore_naming thy |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
554 |
|> Sign.add_const_constraint (c', SOME ty') |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
555 |
end; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
556 |
|
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
557 |
fun abbrev class prmode pos ((c, mx), rhs) thy = |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
558 |
let |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
559 |
val prfx = class_prefix class; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
560 |
val thy' = thy |> Sign.add_path prfx; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
561 |
|
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
562 |
val unchecks = map (fn (c, (_, (ty, t))) => (t, Const (c, ty))) |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
563 |
(these_operations thy [class]); |
28965 | 564 |
val c' = Sign.full_bname thy' c; |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
565 |
val rhs' = Pattern.rewrite_term thy unchecks [] rhs; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
566 |
val rhs'' = map_types Logic.varifyT rhs'; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
567 |
val ty' = Term.fastype_of rhs'; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
568 |
in |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
569 |
thy' |
28965 | 570 |
|> Sign.add_abbrev (#1 prmode) pos (Binding.name c, map_types Type.strip_sorts rhs'') |> snd |
27690
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
571 |
|> Sign.add_const_constraint (c', SOME ty') |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
572 |
|> Sign.notation true prmode [(Const (c', ty'), mx)] |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
573 |
|> not (#1 prmode = PrintMode.input) ? register_operation class (c', (rhs', NONE)) |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
574 |
|> Sign.restore_naming thy |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
575 |
end; |
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
576 |
|
24738db98d34
some steps towards explicit class target for canonical interpretation
haftmann
parents:
27684
diff
changeset
|
577 |
|
24589 | 578 |
(* class definition *) |
24218 | 579 |
|
580 |
local |
|
581 |
||
26247 | 582 |
fun gen_class_spec prep_class process_expr thy raw_supclasses raw_elems = |
24218 | 583 |
let |
24748 | 584 |
val supclasses = map (prep_class thy) raw_supclasses; |
585 |
val supsort = Sign.minimize_sort thy supclasses; |
|
25618 | 586 |
val sups = filter (is_class thy) supsort; |
26995 | 587 |
val supparam_names = map fst (these_params thy sups); |
588 |
val _ = if has_duplicates (op =) supparam_names |
|
589 |
then error ("Duplicate parameter(s) in superclasses: " |
|
590 |
^ (commas o map quote o duplicates (op =)) supparam_names) |
|
591 |
else (); |
|
25618 | 592 |
val base_sort = if null sups then supsort else |
26167 | 593 |
foldr1 (Sorts.inter_sort (Sign.classes_of thy)) |
594 |
(map (#base_sort o the_class_data thy) sups); |
|
25038 | 595 |
val suplocales = map Locale.Locale sups; |
24748 | 596 |
val supexpr = Locale.Merge suplocales; |
597 |
val supparams = (map fst o Locale.parameters_of_expr thy) supexpr; |
|
29133 | 598 |
val mergeexpr = Locale.Merge suplocales; |
24748 | 599 |
val constrain = Element.Constrains ((map o apsnd o map_atyps) |
26167 | 600 |
(K (TFree (Name.aT, base_sort))) supparams); |
25683 | 601 |
fun fork_syn (Element.Fixes xs) = |
29006 | 602 |
fold_map (fn (c, ty, syn) => cons (Binding.base_name c, syn) #> pair (c, ty, NoSyn)) xs |
25683 | 603 |
#>> Element.Fixes |
604 |
| fork_syn x = pair x; |
|
605 |
fun fork_syntax elems = |
|
606 |
let |
|
607 |
val (elems', global_syntax) = fold_map fork_syn elems []; |
|
26247 | 608 |
in (constrain :: elems', global_syntax) end; |
25683 | 609 |
val (elems, global_syntax) = |
610 |
ProofContext.init thy |
|
611 |
|> Locale.cert_expr supexpr [constrain] |
|
612 |
|> snd |
|
613 |
|> init_ctxt sups base_sort |
|
614 |
|> process_expr Locale.empty raw_elems |
|
615 |
|> fst |
|
616 |
|> fork_syntax |
|
617 |
in (((sups, supparams), (supsort, base_sort, mergeexpr)), (elems, global_syntax)) end; |
|
24748 | 618 |
|
26247 | 619 |
val read_class_spec = gen_class_spec Sign.intern_class Locale.read_expr; |
620 |
val check_class_spec = gen_class_spec (K I) Locale.cert_expr; |
|
24748 | 621 |
|
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
622 |
fun add_consts bname class base_sort sups supparams global_syntax thy = |
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
623 |
let |
25683 | 624 |
val supconsts = map fst supparams |
26518 | 625 |
|> AList.make (snd o the o AList.lookup (op =) (these_params thy sups)) |
25683 | 626 |
|> (map o apsnd o apsnd o map_atyps o K o TFree) (Name.aT, [class]); |
627 |
val all_params = map fst (Locale.parameters_of thy class); |
|
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
628 |
val raw_params = (snd o chop (length supparams)) all_params; |
25683 | 629 |
fun add_const (v, raw_ty) thy = |
630 |
let |
|
28965 | 631 |
val c = Sign.full_bname thy v; |
25683 | 632 |
val ty = map_atyps (K (TFree (Name.aT, base_sort))) raw_ty; |
633 |
val ty0 = Type.strip_sorts ty; |
|
634 |
val ty' = map_atyps (K (TFree (Name.aT, [class]))) ty0; |
|
635 |
val syn = (the_default NoSyn o AList.lookup (op =) global_syntax) v; |
|
636 |
in |
|
637 |
thy |
|
28965 | 638 |
|> Sign.declare_const [] ((Binding.name v, ty0), syn) |
25683 | 639 |
|> snd |
640 |
|> pair ((v, ty), (c, ty')) |
|
641 |
end; |
|
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
642 |
in |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
643 |
thy |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
644 |
|> Sign.add_path (Logic.const_of_class bname) |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
645 |
|> fold_map add_const raw_params |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
646 |
||> Sign.restore_naming thy |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
647 |
|-> (fn params => pair (supconsts @ (map o apfst) fst params, params)) |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
648 |
end; |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
649 |
|
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
650 |
fun adjungate_axclass bname class base_sort sups supsort supparams global_syntax thy = |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
651 |
let |
25683 | 652 |
fun globalize param_map = map_aterms |
653 |
(fn Free (v, ty) => Const ((fst o the o AList.lookup (op =) param_map) v, ty) |
|
654 |
| t => t); |
|
655 |
val raw_pred = Locale.intros thy class |
|
656 |
|> fst |
|
657 |
|> map (Logic.unvarify o Logic.strip_imp_concl o Thm.prop_of); |
|
658 |
fun get_axiom thy = case (#axioms o AxClass.get_info thy) class |
|
659 |
of [] => NONE |
|
660 |
| [thm] => SOME thm; |
|
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
661 |
in |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
662 |
thy |
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
663 |
|> add_consts bname class base_sort sups supparams global_syntax |
25683 | 664 |
|-> (fn (param_map, params) => AxClass.define_class (bname, supsort) |
26518 | 665 |
(map (fst o snd) params) |
28965 | 666 |
[((Binding.name (bname ^ "_" ^ AxClass.axiomsN), []), map (globalize param_map) raw_pred)] |
25683 | 667 |
#> snd |
668 |
#> `get_axiom |
|
669 |
#-> (fn assm_axiom => fold (Sign.add_const_constraint o apsnd SOME o snd) params |
|
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
670 |
#> pair (map (Const o snd) param_map, param_map, params, assm_axiom))) |
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
671 |
end; |
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset
|
672 |
|
26518 | 673 |
fun gen_class prep_spec bname raw_supclasses raw_elems thy = |
24748 | 674 |
let |
28965 | 675 |
val class = Sign.full_bname thy bname; |
25683 | 676 |
val (((sups, supparams), (supsort, base_sort, mergeexpr)), (elems, global_syntax)) = |
26247 | 677 |
prep_spec thy raw_supclasses raw_elems; |
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
678 |
val supconsts = map (apsnd fst o snd) (these_params thy sups); |
24218 | 679 |
in |
680 |
thy |
|
28822
7ca11ecbc4fb
explicit name morphism function for locale interpretation
haftmann
parents:
28739
diff
changeset
|
681 |
|> Locale.add_locale "" bname mergeexpr elems |
25038 | 682 |
|> snd |
25311 | 683 |
|> ProofContext.theory_of |
26518 | 684 |
|> adjungate_axclass bname class base_sort sups supsort supparams global_syntax |
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
685 |
|-> (fn (inst, param_map, params, assm_axiom) => |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
686 |
`(fn thy => calculate_axiom thy sups base_sort assm_axiom param_map class) |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
687 |
#-> (fn axiom => |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
688 |
prove_class_interpretation class inst |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
689 |
(supconsts @ map (pair class o fst o snd) params) (the_list axiom) [] |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
690 |
#-> (fn morphism => |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
691 |
`(fn thy => activate_class_morphism thy class inst morphism) |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
692 |
#-> (fn phi => |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
693 |
`(fn thy => calculate_rules thy phi sups base_sort param_map axiom class) |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
694 |
#-> (fn (assm_intro, of_class) => |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
695 |
add_class_data ((class, sups), (params, base_sort, inst, |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
696 |
morphism, axiom, assm_intro, of_class)) |
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset
|
697 |
#> fold (note_assm_intro class) (the_list assm_intro)))))) |
25268 | 698 |
|> init class |
25038 | 699 |
|> pair class |
24218 | 700 |
end; |
701 |
||
702 |
in |
|
703 |
||
26518 | 704 |
val class_cmd = gen_class read_class_spec; |
705 |
val class = gen_class check_class_spec; |
|
24218 | 706 |
|
707 |
end; (*local*) |
|
708 |
||
709 |
||
25462 | 710 |
|
711 |
(** instantiation target **) |
|
712 |
||
713 |
(* bookkeeping *) |
|
714 |
||
715 |
datatype instantiation = Instantiation of { |
|
25864 | 716 |
arities: string list * (string * sort) list * sort, |
25462 | 717 |
params: ((string * string) * (string * typ)) list |
25603 | 718 |
(*(instantiation parameter, type constructor), (local instantiation parameter, typ)*) |
25462 | 719 |
} |
720 |
||
721 |
structure Instantiation = ProofDataFun |
|
722 |
( |
|
723 |
type T = instantiation |
|
25536 | 724 |
fun init _ = Instantiation { arities = ([], [], []), params = [] }; |
25462 | 725 |
); |
726 |
||
25485 | 727 |
fun mk_instantiation (arities, params) = |
728 |
Instantiation { arities = arities, params = params }; |
|
25514 | 729 |
fun get_instantiation lthy = case Instantiation.get (LocalTheory.target_of lthy) |
25485 | 730 |
of Instantiation data => data; |
25514 | 731 |
fun map_instantiation f = (LocalTheory.target o Instantiation.map) |
732 |
(fn Instantiation { arities, params } => mk_instantiation (f (arities, params))); |
|
25462 | 733 |
|
25514 | 734 |
fun the_instantiation lthy = case get_instantiation lthy |
25536 | 735 |
of { arities = ([], [], []), ... } => error "No instantiation target" |
25485 | 736 |
| data => data; |
25462 | 737 |
|
25485 | 738 |
val instantiation_params = #params o get_instantiation; |
25462 | 739 |
|
25514 | 740 |
fun instantiation_param lthy v = instantiation_params lthy |
25462 | 741 |
|> find_first (fn (_, (v', _)) => v = v') |
742 |
|> Option.map (fst o fst); |
|
743 |
||
744 |
||
745 |
(* syntax *) |
|
746 |
||
26238 | 747 |
fun synchronize_inst_syntax ctxt = |
25462 | 748 |
let |
26259 | 749 |
val Instantiation { arities = (_, _, sort), params = params } = Instantiation.get ctxt; |
26238 | 750 |
val thy = ProofContext.theory_of ctxt; |
751 |
fun subst (c, ty) = case AxClass.inst_tyco_of thy (c, ty) |
|
752 |
of SOME tyco => (case AList.lookup (op =) params (c, tyco) |
|
753 |
of SOME (v_ty as (_, ty)) => SOME (ty, Free v_ty) |
|
754 |
| NONE => NONE) |
|
755 |
| NONE => NONE; |
|
756 |
val unchecks = |
|
757 |
map (fn ((c, _), v_ty as (_, ty)) => (Free v_ty, Const (c, ty))) params; |
|
758 |
in |
|
759 |
ctxt |
|
26259 | 760 |
|> Overloading.map_improvable_syntax |
26730 | 761 |
(fn (((primary_constraints, _), (((improve, _), _), _)), _) => |
762 |
(((primary_constraints, []), (((improve, subst), false), unchecks)), false)) |
|
26238 | 763 |
end; |
25462 | 764 |
|
765 |
||
766 |
(* target *) |
|
767 |
||
25485 | 768 |
val sanatize_name = (*FIXME*) |
769 |
let |
|
25574 | 770 |
fun is_valid s = Symbol.is_ascii_letter s orelse Symbol.is_ascii_digit s |
771 |
orelse s = "'" orelse s = "_"; |
|
25485 | 772 |
val is_junk = not o is_valid andf Symbol.is_regular; |
773 |
val junk = Scan.many is_junk; |
|
774 |
val scan_valids = Symbol.scanner "Malformed input" |
|
775 |
((junk |-- |
|
776 |
(Scan.optional (Scan.one Symbol.is_ascii_letter) "x" ^^ (Scan.many is_valid >> implode) |
|
777 |
--| junk)) |
|
25999 | 778 |
::: Scan.repeat ((Scan.many1 is_valid >> implode) --| junk)); |
25485 | 779 |
in |
780 |
explode #> scan_valids #> implode |
|
781 |
end; |
|
782 |
||
26259 | 783 |
fun type_name "*" = "prod" |
784 |
| type_name "+" = "sum" |
|
785 |
| type_name s = sanatize_name (NameSpace.base s); (*FIXME*) |
|
786 |
||
26518 | 787 |
fun resort_terms pp algebra consts constraints ts = |
788 |
let |
|
789 |
fun matchings (Const (c_ty as (c, _))) = (case constraints c |
|
790 |
of NONE => I |
|
791 |
| SOME sorts => fold2 (curry (Sorts.meet_sort algebra)) |
|
792 |
(Consts.typargs consts c_ty) sorts) |
|
793 |
| matchings _ = I |
|
794 |
val tvartab = (fold o fold_aterms) matchings ts Vartab.empty |
|
26642
454d11701fa4
Sorts.class_error: produce message only (formerly msg_class_error);
wenzelm
parents:
26628
diff
changeset
|
795 |
handle Sorts.CLASS_ERROR e => error (Sorts.class_error pp e); |
27089
480f19078b65
fixed wrong treatment of type variables in instantiation target
haftmann
parents:
26995
diff
changeset
|
796 |
val inst = map_type_tvar |
480f19078b65
fixed wrong treatment of type variables in instantiation target
haftmann
parents:
26995
diff
changeset
|
797 |
(fn (vi, sort) => TVar (vi, the_default sort (Vartab.lookup tvartab vi))); |
26518 | 798 |
in if Vartab.is_empty tvartab then NONE else SOME ((map o map_types) inst ts) end; |
799 |
||
25864 | 800 |
fun init_instantiation (tycos, vs, sort) thy = |
25462 | 801 |
let |
25536 | 802 |
val _ = if null tycos then error "At least one arity must be given" else (); |
26518 | 803 |
val params = these_params thy sort; |
804 |
fun get_param tyco (param, (_, (c, ty))) = if can (AxClass.param_of_inst thy) (c, tyco) |
|
25603 | 805 |
then NONE else SOME ((c, tyco), |
25864 | 806 |
(param ^ "_" ^ type_name tyco, map_atyps (K (Type (tyco, map TFree vs))) ty)); |
26518 | 807 |
val inst_params = map_product get_param tycos params |> map_filter I; |
808 |
val primary_constraints = map (apsnd |
|
809 |
(map_atyps (K (TVar ((Name.aT, 0), [])))) o snd o snd) params; |
|
26939
1035c89b4c02
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26761
diff
changeset
|
810 |
val pp = Syntax.pp_global thy; |
26518 | 811 |
val algebra = Sign.classes_of thy |
812 |
|> fold (fn tyco => Sorts.add_arities pp |
|
813 |
(tyco, map (fn class => (class, map snd vs)) sort)) tycos; |
|
814 |
val consts = Sign.consts_of thy; |
|
815 |
val improve_constraints = AList.lookup (op =) |
|
816 |
(map (fn (_, (class, (c, _))) => (c, [[class]])) params); |
|
817 |
fun resort_check ts ctxt = case resort_terms pp algebra consts improve_constraints ts |
|
818 |
of NONE => NONE |
|
819 |
| SOME ts' => SOME (ts', ctxt); |
|
820 |
fun improve (c, ty) = case AxClass.inst_tyco_of thy (c, ty) |
|
26329
3e58e4c67a2a
instantiation less liberal with dangling constraints
haftmann
parents:
26259
diff
changeset
|
821 |
of SOME tyco => (case AList.lookup (op =) inst_params (c, tyco) |
26518 | 822 |
of SOME (_, ty') => if Type.raw_instance (ty', ty) then SOME (ty, ty') else NONE |
26259 | 823 |
| NONE => NONE) |
824 |
| NONE => NONE; |
|
25485 | 825 |
in |
826 |
thy |
|
827 |
|> ProofContext.init |
|
26329
3e58e4c67a2a
instantiation less liberal with dangling constraints
haftmann
parents:
26259
diff
changeset
|
828 |
|> Instantiation.put (mk_instantiation ((tycos, vs, sort), inst_params)) |
27281 | 829 |
|> fold (Variable.declare_typ o TFree) vs |
26329
3e58e4c67a2a
instantiation less liberal with dangling constraints
haftmann
parents:
26259
diff
changeset
|
830 |
|> fold (Variable.declare_names o Free o snd) inst_params |
26259 | 831 |
|> (Overloading.map_improvable_syntax o apfst) |
26329
3e58e4c67a2a
instantiation less liberal with dangling constraints
haftmann
parents:
26259
diff
changeset
|
832 |
(fn ((_, _), ((_, subst), unchecks)) => |
26730 | 833 |
((primary_constraints, []), (((improve, K NONE), false), []))) |
26259 | 834 |
|> Overloading.add_improvable_syntax |
26518 | 835 |
|> Context.proof_map (Syntax.add_term_check 0 "resorting" resort_check) |
26238 | 836 |
|> synchronize_inst_syntax |
25485 | 837 |
end; |
838 |
||
26238 | 839 |
fun confirm_declaration c = (map_instantiation o apsnd) |
840 |
(filter_out (fn (_, (c', _)) => c' = c)) |
|
841 |
#> LocalTheory.target synchronize_inst_syntax |
|
842 |
||
25485 | 843 |
fun gen_instantiation_instance do_proof after_qed lthy = |
844 |
let |
|
25864 | 845 |
val (tycos, vs, sort) = (#arities o the_instantiation) lthy; |
846 |
val arities_proof = maps (fn tyco => Logic.mk_arities (tyco, map snd vs, sort)) tycos; |
|
25462 | 847 |
fun after_qed' results = |
848 |
LocalTheory.theory (fold (AxClass.add_arity o Thm.varifyT) results) |
|
849 |
#> after_qed; |
|
850 |
in |
|
851 |
lthy |
|
852 |
|> do_proof after_qed' arities_proof |
|
853 |
end; |
|
854 |
||
25485 | 855 |
val instantiation_instance = gen_instantiation_instance (fn after_qed => fn ts => |
25462 | 856 |
Proof.theorem_i NONE (after_qed o map the_single) (map (fn t => [(t, [])]) ts)); |
857 |
||
25485 | 858 |
fun prove_instantiation_instance tac = gen_instantiation_instance (fn after_qed => |
25502 | 859 |
fn ts => fn lthy => after_qed (map (fn t => Goal.prove lthy [] [] t |
860 |
(fn {context, ...} => tac context)) ts) lthy) I; |
|
25462 | 861 |
|
28666 | 862 |
fun prove_instantiation_exit tac = prove_instantiation_instance tac |
863 |
#> LocalTheory.exit_global; |
|
864 |
||
865 |
fun prove_instantiation_exit_result f tac x lthy = |
|
866 |
let |
|
867 |
val phi = ProofContext.export_morphism lthy |
|
868 |
(ProofContext.init (ProofContext.theory_of lthy)); |
|
869 |
val y = f phi x; |
|
870 |
in |
|
871 |
lthy |
|
872 |
|> prove_instantiation_exit (fn ctxt => tac ctxt y) |
|
873 |
|> pair y |
|
874 |
end; |
|
875 |
||
25462 | 876 |
fun conclude_instantiation lthy = |
877 |
let |
|
25485 | 878 |
val { arities, params } = the_instantiation lthy; |
25864 | 879 |
val (tycos, vs, sort) = arities; |
25462 | 880 |
val thy = ProofContext.theory_of lthy; |
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25574
diff
changeset
|
881 |
val _ = map (fn tyco => if Sign.of_sort thy |
25864 | 882 |
(Type (tyco, map TFree vs), sort) |
25462 | 883 |
then () else error ("Missing instance proof for type " ^ quote (Sign.extern_type thy tyco))) |
25597
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25574
diff
changeset
|
884 |
tycos; |
34860182b250
moved instance parameter management from class.ML to axclass.ML
haftmann
parents:
25574
diff
changeset
|
885 |
in lthy end; |
25462 | 886 |
|
25603 | 887 |
fun pretty_instantiation lthy = |
888 |
let |
|
889 |
val { arities, params } = the_instantiation lthy; |
|
25864 | 890 |
val (tycos, vs, sort) = arities; |
25603 | 891 |
val thy = ProofContext.theory_of lthy; |
25864 | 892 |
fun pr_arity tyco = Syntax.pretty_arity lthy (tyco, map snd vs, sort); |
25603 | 893 |
fun pr_param ((c, _), (v, ty)) = |
25864 | 894 |
(Pretty.block o Pretty.breaks) [Pretty.str v, Pretty.str "==", |
26939
1035c89b4c02
moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents:
26761
diff
changeset
|
895 |
(Pretty.str o Sign.extern_const thy) c, Pretty.str "::", Syntax.pretty_typ_global thy ty]; |
25603 | 896 |
in |
897 |
(Pretty.block o Pretty.fbreaks) |
|
898 |
(Pretty.str "instantiation" :: map pr_arity tycos @ map pr_param params) |
|
899 |
end; |
|
900 |
||
24218 | 901 |
end; |
25683 | 902 |