src/Pure/Isar/expression.ML
author wenzelm
Tue, 03 Mar 2009 18:32:01 +0100
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child 30242 aea5d7fa7ef5
permissions -rw-r--r--
renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify; minor tuning;
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(*  Title:      Pure/Isar/expression.ML
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    Author:     Clemens Ballarin, TU Muenchen
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Locale expressions.
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*)
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signature EXPRESSION =
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sig
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  (* Locale expressions *)
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  datatype 'term map = Positional of 'term option list | Named of (string * 'term) list
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  type 'term expr = (string * ((string * bool) * 'term map)) list
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  type expression_i = term expr * (binding * typ option * mixfix) list
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  type expression = string expr * (binding * string option * mixfix) list
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  (* Processing of context statements *)
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  val cert_statement: Element.context_i list -> (term * term list) list list ->
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    Proof.context -> (term * term list) list list * Proof.context
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  val read_statement: Element.context list -> (string * string list) list list ->
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    Proof.context -> (term * term list) list list * Proof.context
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  (* Declaring locales *)
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  val cert_declaration: expression_i -> (Proof.context -> Proof.context) -> Element.context_i list ->
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    Proof.context -> ((binding * typ option * mixfix) list * (string * morphism) list
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      * Element.context_i list) * ((string * typ) list * Proof.context)
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  val cert_read_declaration: expression_i -> (Proof.context -> Proof.context) -> Element.context list ->
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    Proof.context -> ((binding * typ option * mixfix) list * (string * morphism) list
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      * Element.context_i list) * ((string * typ) list * Proof.context)
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      (*FIXME*)
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  val read_declaration: expression -> (Proof.context -> Proof.context) -> Element.context list ->
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    Proof.context -> ((binding * typ option * mixfix) list * (string * morphism) list
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      * Element.context_i list) * ((string * typ) list * Proof.context)
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  val add_locale: bstring -> bstring -> expression_i -> Element.context_i list ->
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    theory -> string * local_theory
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  val add_locale_cmd: bstring -> bstring -> expression -> Element.context list ->
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    theory -> string * local_theory
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  (* Interpretation *)
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  val cert_goal_expression: expression_i -> Proof.context ->
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    (term list list * (string * morphism) list * morphism) * Proof.context
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  val read_goal_expression: expression -> Proof.context ->
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    (term list list * (string * morphism) list * morphism) * Proof.context
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  val sublocale: string -> expression_i -> theory -> Proof.state
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  val sublocale_cmd: string -> expression -> theory -> Proof.state
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  val interpretation: expression_i -> (Attrib.binding * term) list ->
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    theory -> Proof.state
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  val interpretation_cmd: expression -> (Attrib.binding * string) list ->
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    theory -> Proof.state
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  val interpret: expression_i -> bool -> Proof.state -> Proof.state
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  val interpret_cmd: expression -> bool -> Proof.state -> Proof.state
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end;
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structure Expression : EXPRESSION =
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struct
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datatype ctxt = datatype Element.ctxt;
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(*** Expressions ***)
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datatype 'term map =
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  Positional of 'term option list |
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  Named of (string * 'term) list;
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type 'term expr = (string * ((string * bool) * 'term map)) list;
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type expression = string expr * (binding * string option * mixfix) list;
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type expression_i = term expr * (binding * typ option * mixfix) list;
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(** Internalise locale names in expr **)
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fun intern thy instances =  map (apfst (Locale.intern thy)) instances;
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(** Parameters of expression.
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   Sanity check of instantiations and extraction of implicit parameters.
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   The latter only occurs iff strict = false.
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   Positional instantiations are extended to match full length of parameter list
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   of instantiated locale. **)
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fun parameters_of thy strict (expr, fixed) =
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  let
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    fun reject_dups message xs =
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      let val dups = duplicates (op =) xs
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      in
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        if null dups then () else error (message ^ commas dups)
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      end;
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    fun match_bind (n, b) = (n = Binding.name_of b);
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    fun parm_eq ((b1, mx1: mixfix), (b2, mx2)) =
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      (* FIXME: cannot compare bindings for equality, instead check for equal name and syntax *)
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      Binding.name_of b1 = Binding.name_of b2 andalso
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        (mx1 = mx2 orelse
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          error ("Conflicting syntax for parameter " ^ quote (Binding.str_of b1) ^ " in expression"));
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    fun params_loc loc =
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      (Locale.params_of thy loc |> map (fn (p, _, mx) => (p, mx)), loc);
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    fun params_inst (expr as (loc, (prfx, Positional insts))) =
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          let
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            val (ps, loc') = params_loc loc;
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            val d = length ps - length insts;
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            val insts' =
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              if d < 0 then error ("More arguments than parameters in instantiation of locale " ^
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                quote (Locale.extern thy loc))
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              else insts @ replicate d NONE;
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            val ps' = (ps ~~ insts') |>
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              map_filter (fn (p, NONE) => SOME p | (_, SOME _) => NONE);
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          in (ps', (loc', (prfx, Positional insts'))) end
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      | params_inst (expr as (loc, (prfx, Named insts))) =
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          let
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            val _ = reject_dups "Duplicate instantiation of the following parameter(s): "
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              (map fst insts);
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            val (ps, loc') = params_loc loc;
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            val ps' = fold (fn (p, _) => fn ps =>
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              if AList.defined match_bind ps p then AList.delete match_bind p ps
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              else error (quote p ^" not a parameter of instantiated expression.")) insts ps;
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          in (ps', (loc', (prfx, Named insts))) end;
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    fun params_expr is =
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          let
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            val (is', ps') = fold_map (fn i => fn ps =>
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              let
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                val (ps', i') = params_inst i;
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                val ps'' = distinct parm_eq (ps @ ps');
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              in (i', ps'') end) is []
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          in (ps', is') end;
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    val (implicit, expr') = params_expr expr;
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    val implicit' = map (#1 #> Binding.name_of) implicit;
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    val fixed' = map (#1 #> Binding.name_of) fixed;
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    val _ = reject_dups "Duplicate fixed parameter(s): " fixed';
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    val implicit'' = if strict then []
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      else let val _ = reject_dups
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          "Parameter(s) declared simultaneously in expression and for clause: " (implicit' @ fixed')
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        in map (fn (b, mx) => (b, NONE, mx)) implicit end;
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  in (expr', implicit'' @ fixed) end;
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(** Read instantiation **)
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(* Parse positional or named instantiation *)
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local
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fun prep_inst prep_term ctxt parms (Positional insts) =
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      (insts ~~ parms) |> map (fn
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        (NONE, p) => Free (p, dummyT) |
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        (SOME t, _) => prep_term ctxt t)
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  | prep_inst prep_term ctxt parms (Named insts) =
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      parms |> map (fn p => case AList.lookup (op =) insts p of
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        SOME t => prep_term ctxt t |
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        NONE => Free (p, dummyT));
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in
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fun parse_inst x = prep_inst Syntax.parse_term x;
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fun make_inst x = prep_inst (K I) x;
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end;
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(* Instantiation morphism *)
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fun inst_morph (parm_names, parm_types) ((prfx, strict), insts') ctxt =
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  let
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    (* parameters *)
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    val type_parm_names = fold Term.add_tfreesT parm_types [] |> map fst;
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    (* type inference and contexts *)
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    val parm_types' = map (TypeInfer.paramify_vars o Logic.varifyT) parm_types;
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    val type_parms = fold Term.add_tvarsT parm_types' [] |> map (Logic.mk_type o TVar);
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    val arg = type_parms @ map2 TypeInfer.constrain parm_types' insts';
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    val res = Syntax.check_terms ctxt arg;
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    val ctxt' = ctxt |> fold Variable.auto_fixes res;
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    (* instantiation *)
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    val (type_parms'', res') = chop (length type_parms) res;
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    val insts'' = (parm_names ~~ res') |> map_filter
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      (fn (inst as (x, Free (y, _))) => if x = y then NONE else SOME inst |
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        inst => SOME inst);
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    val instT = Symtab.make (type_parm_names ~~ map Logic.dest_type type_parms'');
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    val inst = Symtab.make insts'';
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  in
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    (Element.inst_morphism (ProofContext.theory_of ctxt) (instT, inst) $>
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      Morphism.binding_morphism (Binding.add_prefix strict prfx), ctxt')
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  end;
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(*** Locale processing ***)
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(** Parsing **)
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fun parse_elem prep_typ prep_term ctxt =
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  Element.map_ctxt
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   {binding = I,
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    typ = prep_typ ctxt,
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    term = prep_term (ProofContext.set_mode ProofContext.mode_schematic ctxt),
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    pattern = prep_term (ProofContext.set_mode ProofContext.mode_pattern ctxt),
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    fact = I,
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    attrib = I};
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fun parse_concl prep_term ctxt concl =
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  (map o map) (fn (t, ps) =>
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    (prep_term (ProofContext.set_mode ProofContext.mode_schematic ctxt) t, (* FIXME ?? *)
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      map (prep_term (ProofContext.set_mode ProofContext.mode_pattern ctxt)) ps)) concl;
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(** Simultaneous type inference: instantiations + elements + conclusion **)
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local
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fun mk_type T = (Logic.mk_type T, []);
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fun mk_term t = (t, []);
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fun mk_propp (p, pats) = (Syntax.type_constraint propT p, pats);
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fun dest_type (T, []) = Logic.dest_type T;
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fun dest_term (t, []) = t;
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fun dest_propp (p, pats) = (p, pats);
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fun extract_inst (_, (_, ts)) = map mk_term ts;
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fun restore_inst ((l, (p, _)), cs) = (l, (p, map dest_term cs));
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fun extract_elem (Fixes fixes) = map (#2 #> the_list #> map mk_type) fixes
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  | extract_elem (Constrains csts) = map (#2 #> single #> map mk_type) csts
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  | extract_elem (Assumes asms) = map (#2 #> map mk_propp) asms
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  | extract_elem (Defines defs) = map (fn (_, (t, ps)) => [mk_propp (t, ps)]) defs
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  | extract_elem (Notes _) = [];
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fun restore_elem (Fixes fixes, css) =
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      (fixes ~~ css) |> map (fn ((x, _, mx), cs) =>
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        (x, cs |> map dest_type |> try hd, mx)) |> Fixes
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  | restore_elem (Constrains csts, css) =
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      (csts ~~ css) |> map (fn ((x, _), cs) =>
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        (x, cs |> map dest_type |> hd)) |> Constrains
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  | restore_elem (Assumes asms, css) =
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      (asms ~~ css) |> map (fn ((b, _), cs) => (b, map dest_propp cs)) |> Assumes
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  | restore_elem (Defines defs, css) =
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      (defs ~~ css) |> map (fn ((b, _), [c]) => (b, dest_propp c)) |> Defines
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  | restore_elem (Notes notes, _) = Notes notes;
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fun check cs context =
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  let
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    fun prep (_, pats) (ctxt, t :: ts) =
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      let val ctxt' = Variable.auto_fixes t ctxt
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      in
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        ((t, Syntax.check_props (ProofContext.set_mode ProofContext.mode_pattern ctxt') pats),
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          (ctxt', ts))
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      end
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    val (cs', (context', _)) = fold_map prep cs
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      (context, Syntax.check_terms
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        (ProofContext.set_mode ProofContext.mode_schematic context) (map fst cs));
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  in (cs', context') end;
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in
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fun check_autofix insts elems concl ctxt =
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  let
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    val inst_cs = map extract_inst insts;
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    val elem_css = map extract_elem elems;
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    val concl_cs = (map o map) mk_propp concl;
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    (* Type inference *)
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    val (inst_cs' :: css', ctxt') =
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      (fold_burrow o fold_burrow) check (inst_cs :: elem_css @ [concl_cs]) ctxt;
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    val (elem_css', [concl_cs']) = chop (length elem_css) css';
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  in
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    (map restore_inst (insts ~~ inst_cs'), map restore_elem (elems ~~ elem_css'),
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      concl_cs', ctxt')
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  end;
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end;
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(** Prepare locale elements **)
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fun declare_elem prep_vars (Fixes fixes) ctxt =
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      let val (vars, _) = prep_vars fixes ctxt
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      in ctxt |> ProofContext.add_fixes_i vars |> snd end
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  | declare_elem prep_vars (Constrains csts) ctxt =
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      ctxt |> prep_vars (map (fn (x, T) => (Binding.name x, SOME T, NoSyn)) csts) |> snd
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  | declare_elem _ (Assumes _) ctxt = ctxt
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  | declare_elem _ (Defines _) ctxt = ctxt
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  | declare_elem _ (Notes _) ctxt = ctxt;
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(** Finish locale elements **)
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fun closeup _ _ false elem = elem
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  | closeup ctxt parms true elem =
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      let
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        fun close_frees t =
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          let
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            val rev_frees =
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              Term.fold_aterms (fn Free (x, T) =>
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                if AList.defined (op =) parms x then I else insert (op =) (x, T) | _ => I) t [];
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          in Term.list_all_free (rev rev_frees, t) end; (* FIXME use fold Logic.all *)
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  (* FIXME consider closing in syntactic phase *)
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        fun no_binds [] = []
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          | no_binds _ = error "Illegal term bindings in context element";
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      in
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        (case elem of
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          Assumes asms => Assumes (asms |> map (fn (a, propps) =>
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            (a, map (fn (t, ps) => (close_frees t, no_binds ps)) propps)))
29022
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        | Defines defs => Defines (defs |> map (fn ((name, atts), (t, ps)) =>
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            let val ((c, _), t') = LocalDefs.cert_def ctxt (close_frees t)
30223
24d975352879 renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify;
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   309
            in ((Binding.map_name (Thm.def_name_optional c) name, atts), (t', no_binds ps)) end))
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   310
        | e => e)
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   311
      end;
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   312
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   313
fun finish_primitive parms _ (Fixes fixes) = Fixes (map (fn (binding, _, mx) =>
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24d975352879 renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify;
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   314
      let val x = Binding.name_of binding
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   315
      in (binding, AList.lookup (op =) parms x, mx) end) fixes)
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   316
  | finish_primitive _ _ (Constrains _) = Constrains []
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   317
  | finish_primitive _ close (Assumes asms) = close (Assumes asms)
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   318
  | finish_primitive _ close (Defines defs) = close (Defines defs)
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   319
  | finish_primitive _ _ (Notes facts) = Notes facts;
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   320
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   321
fun finish_inst ctxt parms do_close (loc, (prfx, inst)) =
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   322
  let
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   323
    val thy = ProofContext.theory_of ctxt;
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a5be60c3674e locale -> old_locale, new_locale -> locale
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   324
    val (parm_names, parm_types) = Locale.params_of thy loc |>
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24d975352879 renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify;
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   325
      map_split (fn (b, SOME T, _) => (Binding.name_of b, T));
28872
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   326
    val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst) ctxt;
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
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   327
  in (loc, morph) end;
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   328
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   329
fun finish_elem ctxt parms do_close elem =
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   330
  let
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   331
    val elem' = finish_primitive parms (closeup ctxt parms do_close) elem;
29221
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   332
  in elem' end
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   333
  
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   334
fun finish ctxt parms do_close insts elems =
28872
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   335
  let
29221
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   336
    val deps = map (finish_inst ctxt parms do_close) insts;
918687637307 Refactored: evaluate specification text only in locale declarations.
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   337
    val elems' = map (finish_elem ctxt parms do_close) elems;
918687637307 Refactored: evaluate specification text only in locale declarations.
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   338
  in (deps, elems') end;
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   339
6891e273c33b Initial part of locale reimplementation.
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   340
28895
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   341
(** Process full context statement: instantiations + elements + conclusion **)
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   342
4e2914c2f8c5 Sublocale command.
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   343
(* Interleave incremental parsing and type inference over entire parsed stretch. *)
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   344
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   345
local
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   346
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08ef36ed2f8a handling type classes without parameters
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   347
fun prep_full_context_statement parse_typ parse_prop prep_vars_elem prep_inst prep_vars_inst prep_expr
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   348
    strict do_close raw_import init_body raw_elems raw_concl ctxt1 =
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   349
  let
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   350
    val thy = ProofContext.theory_of ctxt1;
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   351
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   352
    val (raw_insts, fixed) = parameters_of thy strict (apfst (prep_expr thy) raw_import);
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   353
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   354
    fun prep_insts (loc, (prfx, inst)) (i, insts, ctxt) =
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   355
      let
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   356
        val (parm_names, parm_types) = Locale.params_of thy loc |>
30223
24d975352879 renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify;
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   357
          map_split (fn (b, SOME T, _) => (Binding.name_of b, T))
29510
6fe4200532b7 corrected preparation of instances: parameters are proper names, not raw terms
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   358
            (*FIXME return value of Locale.params_of has strange type*)
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   359
        val inst' = prep_inst ctxt parm_names inst;
28885
6f6bf52e75bb Expression types cleaned up, proper treatment of term patterns.
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   360
        val parm_types' = map (TypeInfer.paramify_vars o
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   361
          Term.map_type_tvar (fn ((x, _), S) => TVar ((x, i), S)) o Logic.varifyT) parm_types;
28872
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   362
        val inst'' = map2 TypeInfer.constrain parm_types' inst';
686963dbf6cd add_locale functional.
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   363
        val insts' = insts @ [(loc, (prfx, inst''))];
28951
e89dde5f365c Sublocale: removed public after_qed; identifiers private to NewLocale.
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   364
        val (insts'', _, _, ctxt' (* FIXME not used *) ) = check_autofix insts' [] [] ctxt;
28872
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   365
        val inst''' = insts'' |> List.last |> snd |> snd;
686963dbf6cd add_locale functional.
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   366
        val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst''') ctxt;
29360
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   367
        val ctxt'' = Locale.activate_declarations thy (loc, morph) ctxt;
28951
e89dde5f365c Sublocale: removed public after_qed; identifiers private to NewLocale.
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diff changeset
   368
      in (i+1, insts', ctxt'') end;
28872
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diff changeset
   369
  
29501
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   370
    fun prep_elem insts raw_elem (elems, ctxt) =
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   371
      let
29501
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   372
        val ctxt' = declare_elem prep_vars_elem raw_elem ctxt;
28852
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   373
        val elems' = elems @ [parse_elem parse_typ parse_prop ctxt' raw_elem];
28872
686963dbf6cd add_locale functional.
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   374
        val (_, _, _, ctxt'') = check_autofix insts elems' [] ctxt';
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
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   375
      in (elems', ctxt') end;
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diff changeset
   376
28872
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   377
    fun prep_concl raw_concl (insts, elems, ctxt) =
28795
6891e273c33b Initial part of locale reimplementation.
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   378
      let
29215
f98862eb0591 Use correct mode when parsing elements and conclusion.
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parents: 29214
diff changeset
   379
        val concl = parse_concl parse_prop ctxt raw_concl;
28872
686963dbf6cd add_locale functional.
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parents: 28862
diff changeset
   380
      in check_autofix insts elems concl ctxt end;
28795
6891e273c33b Initial part of locale reimplementation.
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diff changeset
   381
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
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diff changeset
   382
    val fors = prep_vars_inst fixed ctxt1 |> fst;
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   383
    val ctxt2 = ctxt1 |> ProofContext.add_fixes_i fors |> snd;
29797
08ef36ed2f8a handling type classes without parameters
haftmann
parents: 29702
diff changeset
   384
    val (_, insts', ctxt3) = fold prep_insts raw_insts (0, [], ctxt2);
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   385
    val ctxt4 = init_body ctxt3;
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   386
    val (elems, ctxt5) = fold (prep_elem insts') raw_elems ([], ctxt4);
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   387
    val (insts, elems', concl, ctxt6) =
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   388
      prep_concl raw_concl (insts', elems, ctxt5);
28795
6891e273c33b Initial part of locale reimplementation.
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parents: 28701
diff changeset
   389
28872
686963dbf6cd add_locale functional.
ballarin
parents: 28862
diff changeset
   390
    (* Retrieve parameter types *)
30223
24d975352879 renamed Binding.name_pos to Binding.make, renamed Binding.base_name to Binding.name_of, renamed Binding.map_base to Binding.map_name, added mandatory flag to Binding.qualify;
wenzelm
parents: 30220
diff changeset
   391
    val xs = fold (fn Fixes fixes => (fn ps => ps @ map (Binding.name_of o #1) fixes)
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   392
      | _ => fn ps => ps) (Fixes fors :: elems') [];
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   393
    val (Ts, ctxt7) = fold_map ProofContext.inferred_param xs ctxt6; 
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   394
    val parms = xs ~~ Ts;  (* params from expression and elements *)
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   395
28872
686963dbf6cd add_locale functional.
ballarin
parents: 28862
diff changeset
   396
    val Fixes fors' = finish_primitive parms I (Fixes fors);
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   397
    val (deps, elems'') = finish ctxt6 parms do_close insts elems';
28852
5ddea758679b Type inference for elements through syntax module.
ballarin
parents: 28832
diff changeset
   398
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   399
  in ((fors', deps, elems'', concl), (parms, ctxt7)) end
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   400
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   401
in
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   402
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   403
fun cert_full_context_statement x =
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   404
  prep_full_context_statement (K I) (K I) ProofContext.cert_vars
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   405
  make_inst ProofContext.cert_vars (K I) x;
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   406
fun cert_read_full_context_statement x =
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   407
  prep_full_context_statement Syntax.parse_typ Syntax.parse_prop ProofContext.read_vars
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   408
  make_inst ProofContext.cert_vars (K I) x;
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   409
fun read_full_context_statement x =
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   410
  prep_full_context_statement Syntax.parse_typ Syntax.parse_prop ProofContext.read_vars
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   411
  parse_inst ProofContext.read_vars intern x;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   412
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   413
end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   414
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   415
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   416
(* Context statement: elements + conclusion *)
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   417
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   418
local
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   419
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   420
fun prep_statement prep activate raw_elems raw_concl context =
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   421
  let
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   422
     val ((_, _, elems, concl), _) =
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   423
       prep true false ([], []) I raw_elems raw_concl context;
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   424
     val (_, context') = context |>
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   425
       ProofContext.set_stmt true |>
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   426
       activate elems;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   427
  in (concl, context') end;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   428
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   429
in
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   430
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   431
fun cert_statement x = prep_statement cert_full_context_statement Element.activate_i x;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   432
fun read_statement x = prep_statement read_full_context_statement Element.activate x;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   433
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   434
end;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   435
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   436
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   437
(* Locale declaration: import + elements *)
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   438
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   439
local
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   440
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   441
fun prep_declaration prep activate raw_import init_body raw_elems context =
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   442
  let
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   443
    val ((fixed, deps, elems, _), (parms, ctxt')) =
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   444
      prep false true raw_import init_body raw_elems [] context ;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   445
    (* Declare parameters and imported facts *)
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   446
    val context' = context |>
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   447
      ProofContext.add_fixes_i fixed |> snd |>
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   448
      fold Locale.activate_local_facts deps;
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   449
    val (elems', _) = context' |>
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   450
      ProofContext.set_stmt true |>
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   451
      activate elems;
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   452
  in ((fixed, deps, elems'), (parms, ctxt')) end;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   453
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   454
in
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   455
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   456
fun cert_declaration x = prep_declaration cert_full_context_statement Element.activate_i x;
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   457
fun cert_read_declaration x = prep_declaration cert_read_full_context_statement Element.activate x;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   458
fun read_declaration x = prep_declaration read_full_context_statement Element.activate x;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   459
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   460
end;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   461
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   462
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   463
(* Locale expression to set up a goal *)
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   464
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   465
local
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   466
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   467
fun props_of thy (name, morph) =
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   468
  let
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   469
    val (asm, defs) = Locale.specification_of thy name;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   470
  in
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   471
    (case asm of NONE => defs | SOME asm => asm :: defs) |> map (Morphism.term morph)
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   472
  end;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   473
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   474
fun prep_goal_expression prep expression context =
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   475
  let
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   476
    val thy = ProofContext.theory_of context;
28879
db2816a37a34 Read/cert_statement for theorem statements.
ballarin
parents: 28872
diff changeset
   477
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   478
    val ((fixed, deps, _, _), _) =
29702
a7512f22e916 proper declared constants in class expressions
haftmann
parents: 29604
diff changeset
   479
      prep true true expression I [] [] context;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   480
    (* proof obligations *)
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   481
    val propss = map (props_of thy) deps;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   482
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   483
    val goal_ctxt = context |>
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   484
      ProofContext.add_fixes_i fixed |> snd |>
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   485
      (fold o fold) Variable.auto_fixes propss;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   486
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   487
    val export = Variable.export_morphism goal_ctxt context;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   488
    val exp_fact = Drule.zero_var_indexes_list o map Thm.strip_shyps o Morphism.fact export;
29245
19728ee2b1ba Intro_locales_tac knows about defines elements; more robust export morphism.
ballarin
parents: 29241
diff changeset
   489
    val exp_term = TermSubst.zero_var_indexes o Morphism.term export;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   490
    val exp_typ = Logic.type_map exp_term;
29604
0e1723e91ef8 eliminated obsolete var morphism;
wenzelm
parents: 29578
diff changeset
   491
    val export' = Morphism.morphism {binding = I, typ = exp_typ, term = exp_term, fact = exp_fact};
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   492
  in ((propss, deps, export'), goal_ctxt) end;
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   493
    
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   494
in
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   495
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   496
fun cert_goal_expression x = prep_goal_expression cert_full_context_statement x;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   497
fun read_goal_expression x = prep_goal_expression read_full_context_statement x;
28879
db2816a37a34 Read/cert_statement for theorem statements.
ballarin
parents: 28872
diff changeset
   498
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   499
end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   500
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   501
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   502
(*** Locale declarations ***)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   503
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   504
(* extract specification text *)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   505
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   506
val norm_term = Envir.beta_norm oo Term.subst_atomic;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   507
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   508
fun bind_def ctxt eq (xs, env, eqs) =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   509
  let
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   510
    val _ = LocalDefs.cert_def ctxt eq;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   511
    val ((y, T), b) = LocalDefs.abs_def eq;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   512
    val b' = norm_term env b;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   513
    fun err msg = error (msg ^ ": " ^ quote y);
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   514
  in
29250
96b1b4d5157d More liberal consistency check for defines elements.
ballarin
parents: 29248
diff changeset
   515
    case filter (fn (Free (y', _), _) => y = y' | _ => false) env of
96b1b4d5157d More liberal consistency check for defines elements.
ballarin
parents: 29248
diff changeset
   516
      [] => (Term.add_frees b' xs, (Free (y, T), b') :: env, eq :: eqs) |
96b1b4d5157d More liberal consistency check for defines elements.
ballarin
parents: 29248
diff changeset
   517
      dups => if forall (fn (_, b'') => b' aconv b'') dups
96b1b4d5157d More liberal consistency check for defines elements.
ballarin
parents: 29248
diff changeset
   518
        then (xs, env, eqs)
96b1b4d5157d More liberal consistency check for defines elements.
ballarin
parents: 29248
diff changeset
   519
        else err "Attempt to redefine variable"
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   520
  end;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   521
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   522
(* text has the following structure:
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   523
       (((exts, exts'), (ints, ints')), (xs, env, defs))
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   524
   where
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   525
     exts: external assumptions (terms in assumes elements)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   526
     exts': dito, normalised wrt. env
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   527
     ints: internal assumptions (terms in assumptions from insts)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   528
     ints': dito, normalised wrt. env
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   529
     xs: the free variables in exts' and ints' and rhss of definitions,
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   530
       this includes parameters except defined parameters
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   531
     env: list of term pairs encoding substitutions, where the first term
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   532
       is a free variable; substitutions represent defines elements and
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   533
       the rhs is normalised wrt. the previous env
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   534
     defs: the equations from the defines elements
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   535
   *)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   536
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   537
fun eval_text _ _ (Fixes _) text = text
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   538
  | eval_text _ _ (Constrains _) text = text
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   539
  | eval_text _ is_ext (Assumes asms)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   540
        (((exts, exts'), (ints, ints')), (xs, env, defs)) =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   541
      let
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   542
        val ts = maps (map #1 o #2) asms;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   543
        val ts' = map (norm_term env) ts;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   544
        val spec' =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   545
          if is_ext then ((exts @ ts, exts' @ ts'), (ints, ints'))
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   546
          else ((exts, exts'), (ints @ ts, ints' @ ts'));
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   547
      in (spec', (fold Term.add_frees ts' xs, env, defs)) end
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   548
  | eval_text ctxt _ (Defines defs) (spec, binds) =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   549
      (spec, fold (bind_def ctxt o #1 o #2) defs binds)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   550
  | eval_text _ _ (Notes _) text = text;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   551
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   552
fun eval_inst ctxt (loc, morph) text =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   553
  let
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   554
    val thy = ProofContext.theory_of ctxt;
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   555
    val (asm, defs) = Locale.specification_of thy loc;
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   556
    val asm' = Option.map (Morphism.term morph) asm;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   557
    val defs' = map (Morphism.term morph) defs;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   558
    val text' = text |>
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   559
      (if is_some asm
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   560
        then eval_text ctxt false (Assumes [(Attrib.empty_binding, [(the asm', [])])])
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   561
        else I) |>
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   562
      (if not (null defs)
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   563
        then eval_text ctxt false (Defines (map (fn def => (Attrib.empty_binding, (def, []))) defs'))
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   564
        else I)
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   565
(* FIXME clone from locale.ML *)
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   566
  in text' end;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   567
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   568
fun eval_elem ctxt elem text =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   569
  let
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   570
    val text' = eval_text ctxt true elem text;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   571
  in text' end;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   572
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   573
fun eval ctxt deps elems =
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   574
  let
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   575
    val text' = fold (eval_inst ctxt) deps ((([], []), ([], [])), ([], [], []));
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   576
    val ((spec, (_, _, defs))) = fold (eval_elem ctxt) elems text';
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   577
  in (spec, defs) end;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   578
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   579
(* axiomsN: name of theorem set with destruct rules for locale predicates,
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   580
     also name suffix of delta predicates and assumptions. *)
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   581
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   582
val axiomsN = "axioms";
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   583
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   584
local
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   585
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   586
(* introN: name of theorems for introduction rules of locale and
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   587
     delta predicates *)
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   588
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   589
val introN = "intro";
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   590
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   591
fun atomize_spec thy ts =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   592
  let
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   593
    val t = Logic.mk_conjunction_balanced ts;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   594
    val body = ObjectLogic.atomize_term thy t;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   595
    val bodyT = Term.fastype_of body;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   596
  in
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   597
    if bodyT = propT then (t, propT, Thm.reflexive (Thm.cterm_of thy t))
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   598
    else (body, bodyT, ObjectLogic.atomize (Thm.cterm_of thy t))
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   599
  end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   600
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   601
(* achieve plain syntax for locale predicates (without "PROP") *)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   602
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   603
fun aprop_tr' n c = (Syntax.constN ^ c, fn ctxt => fn args =>
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   604
  if length args = n then
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   605
    Syntax.const "_aprop" $
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   606
      Term.list_comb (Syntax.free (Consts.extern (ProofContext.consts_of ctxt) c), args)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   607
  else raise Match);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   608
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   609
(* define one predicate including its intro rule and axioms
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   610
   - bname: predicate name
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   611
   - parms: locale parameters
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   612
   - defs: thms representing substitutions from defines elements
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   613
   - ts: terms representing locale assumptions (not normalised wrt. defs)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   614
   - norm_ts: terms representing locale assumptions (normalised wrt. defs)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   615
   - thy: the theory
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   616
*)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   617
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   618
fun def_pred bname parms defs ts norm_ts thy =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   619
  let
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28951
diff changeset
   620
    val name = Sign.full_bname thy bname;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   621
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   622
    val (body, bodyT, body_eq) = atomize_spec thy norm_ts;
29272
fb3ccf499df5 use regular Term.add_XXX etc.;
wenzelm
parents: 29254
diff changeset
   623
    val env = Term.add_free_names body [];
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   624
    val xs = filter (member (op =) env o #1) parms;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   625
    val Ts = map #2 xs;
29272
fb3ccf499df5 use regular Term.add_XXX etc.;
wenzelm
parents: 29254
diff changeset
   626
    val extraTs =
fb3ccf499df5 use regular Term.add_XXX etc.;
wenzelm
parents: 29254
diff changeset
   627
      (Term.add_tfrees body [] \\ fold Term.add_tfreesT Ts [])
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   628
      |> Library.sort_wrt #1 |> map TFree;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   629
    val predT = map Term.itselfT extraTs ---> Ts ---> bodyT;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   630
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   631
    val args = map Logic.mk_type extraTs @ map Free xs;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   632
    val head = Term.list_comb (Const (name, predT), args);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   633
    val statement = ObjectLogic.ensure_propT thy head;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   634
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   635
    val ([pred_def], defs_thy) =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   636
      thy
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   637
      |> bodyT = propT ? Sign.add_advanced_trfuns ([], [], [aprop_tr' (length args) name], [])
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28951
diff changeset
   638
      |> Sign.declare_const [] ((Binding.name bname, predT), NoSyn) |> snd
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   639
      |> PureThy.add_defs false
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   640
        [((Binding.name (Thm.def_name bname), Logic.mk_equals (head, body)), [Thm.kind_internal])];
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   641
    val defs_ctxt = ProofContext.init defs_thy |> Variable.declare_term head;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   642
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   643
    val cert = Thm.cterm_of defs_thy;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   644
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   645
    val intro = Goal.prove_global defs_thy [] norm_ts statement (fn _ =>
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   646
      MetaSimplifier.rewrite_goals_tac [pred_def] THEN
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   647
      Tactic.compose_tac (false, body_eq RS Drule.equal_elim_rule1, 1) 1 THEN
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   648
      Tactic.compose_tac (false,
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   649
        Conjunction.intr_balanced (map (Thm.assume o cert) norm_ts), 0) 1);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   650
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   651
    val conjuncts =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   652
      (Drule.equal_elim_rule2 OF [body_eq,
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   653
        MetaSimplifier.rewrite_rule [pred_def] (Thm.assume (cert statement))])
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   654
      |> Conjunction.elim_balanced (length ts);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   655
    val axioms = ts ~~ conjuncts |> map (fn (t, ax) =>
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   656
      Element.prove_witness defs_ctxt t
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   657
       (MetaSimplifier.rewrite_goals_tac defs THEN
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   658
        Tactic.compose_tac (false, ax, 0) 1));
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   659
  in ((statement, intro, axioms), defs_thy) end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   660
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   661
in
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   662
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   663
(* CB: main predicate definition function *)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   664
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   665
fun define_preds pname parms (((exts, exts'), (ints, ints')), defs) thy =
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   666
  let
29031
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   667
    val defs' = map (cterm_of thy #> Assumption.assume #> Drule.gen_all #> Drule.abs_def) defs;
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   668
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   669
    val (a_pred, a_intro, a_axioms, thy'') =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   670
      if null exts then (NONE, NONE, [], thy)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   671
      else
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   672
        let
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   673
          val aname = if null ints then pname else pname ^ "_" ^ axiomsN;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   674
          val ((statement, intro, axioms), thy') =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   675
            thy
29031
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   676
            |> def_pred aname parms defs' exts exts';
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   677
          val (_, thy'') =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   678
            thy'
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   679
            |> Sign.add_path aname
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   680
            |> Sign.no_base_names
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   681
            |> PureThy.note_thmss Thm.internalK
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   682
              [((Binding.name introN, []), [([intro], [Locale.unfold_attrib])])]
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   683
            ||> Sign.restore_naming thy';
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   684
          in (SOME statement, SOME intro, axioms, thy'') end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   685
    val (b_pred, b_intro, b_axioms, thy'''') =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   686
      if null ints then (NONE, NONE, [], thy'')
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   687
      else
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   688
        let
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   689
          val ((statement, intro, axioms), thy''') =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   690
            thy''
29031
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   691
            |> def_pred pname parms defs' (ints @ the_list a_pred) (ints' @ the_list a_pred);
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   692
          val (_, thy'''') =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   693
            thy'''
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   694
            |> Sign.add_path pname
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   695
            |> Sign.no_base_names
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   696
            |> PureThy.note_thmss Thm.internalK
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   697
                 [((Binding.name introN, []), [([intro], [Locale.intro_attrib])]),
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28951
diff changeset
   698
                  ((Binding.name axiomsN, []),
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   699
                    [(map (Drule.standard o Element.conclude_witness) axioms, [])])]
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   700
            ||> Sign.restore_naming thy''';
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   701
        in (SOME statement, SOME intro, axioms, thy'''') end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   702
  in ((a_pred, a_intro, a_axioms), (b_pred, b_intro, b_axioms), thy'''') end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   703
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   704
end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   705
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   706
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   707
local
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   708
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   709
fun assumes_to_notes (Assumes asms) axms =
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   710
      fold_map (fn (a, spec) => fn axs =>
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   711
          let val (ps, qs) = chop (length spec) axs
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   712
          in ((a, [(ps, [])]), qs) end) asms axms
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   713
      |> apfst (curry Notes Thm.assumptionK)
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   714
  | assumes_to_notes e axms = (e, axms);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   715
29031
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   716
fun defines_to_notes thy (Defines defs) =
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   717
      Notes (Thm.definitionK, map (fn (a, (def, _)) =>
29245
19728ee2b1ba Intro_locales_tac knows about defines elements; more robust export morphism.
ballarin
parents: 29241
diff changeset
   718
        (a, [([Assumption.assume (cterm_of thy def)],
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   719
          [(Attrib.internal o K) Locale.witness_attrib])])) defs)
29031
e74341997a48 Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents: 29030
diff changeset
   720
  | defines_to_notes _ e = e;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   721
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   722
fun gen_add_locale prep_decl
30189
3633f560f4c3 discontinued experimental support for Alice -- too hard to maintain its many language incompatibilities, never really worked anyway;
wenzelm
parents: 29797
diff changeset
   723
    bname raw_predicate_bname raw_import raw_body thy =
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   724
  let
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28951
diff changeset
   725
    val name = Sign.full_bname thy bname;
29391
1f6e8c00dc3e tuned signature; changed locale predicate name convention
haftmann
parents: 29362
diff changeset
   726
    val _ = Locale.defined thy name andalso
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   727
      error ("Duplicate definition of locale " ^ quote name);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   728
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   729
    val ((fixed, deps, body_elems), (parms, ctxt')) =
30189
3633f560f4c3 discontinued experimental support for Alice -- too hard to maintain its many language incompatibilities, never really worked anyway;
wenzelm
parents: 29797
diff changeset
   730
      prep_decl raw_import I raw_body (ProofContext.init thy);
29221
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   731
    val text as (((_, exts'), _), defs) = eval ctxt' deps body_elems;
918687637307 Refactored: evaluate specification text only in locale declarations.
ballarin
parents: 29217
diff changeset
   732
29391
1f6e8c00dc3e tuned signature; changed locale predicate name convention
haftmann
parents: 29362
diff changeset
   733
    val predicate_bname = if raw_predicate_bname = "" then bname
1f6e8c00dc3e tuned signature; changed locale predicate name convention
haftmann
parents: 29362
diff changeset
   734
      else raw_predicate_bname;
28872
686963dbf6cd add_locale functional.
ballarin
parents: 28862
diff changeset
   735
    val ((a_statement, a_intro, a_axioms), (b_statement, b_intro, b_axioms), thy') =
29391
1f6e8c00dc3e tuned signature; changed locale predicate name convention
haftmann
parents: 29362
diff changeset
   736
      define_preds predicate_bname parms text thy;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   737
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   738
    val extraTs = fold Term.add_tfrees exts' [] \\ fold Term.add_tfreesT (map snd parms) [];
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   739
    val _ = if null extraTs then ()
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   740
      else warning ("Additional type variable(s) in locale specification " ^ quote bname);
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   741
29035
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   742
    val a_satisfy = Element.satisfy_morphism a_axioms;
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   743
    val b_satisfy = Element.satisfy_morphism b_axioms;
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   744
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   745
    val params = fixed @
28872
686963dbf6cd add_locale functional.
ballarin
parents: 28862
diff changeset
   746
      (body_elems |> map_filter (fn Fixes fixes => SOME fixes | _ => NONE) |> flat);
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   747
    val asm = if is_some b_statement then b_statement else a_statement;
29028
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   748
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   749
    val notes =
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   750
        if is_some asm
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   751
        then [(Thm.internalK, [((Binding.name (bname ^ "_" ^ axiomsN), []),
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   752
          [([Assumption.assume (cterm_of thy' (the asm))],
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   753
            [(Attrib.internal o K) Locale.witness_attrib])])])]
29028
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   754
        else [];
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   755
29035
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   756
    val notes' = body_elems |>
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   757
      map (defines_to_notes thy') |>
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   758
      map (Element.morph_ctxt a_satisfy) |>
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   759
      (fn elems => fold_map assumes_to_notes elems (map Element.conclude_witness a_axioms)) |>
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   760
      fst |>
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   761
      map (Element.morph_ctxt b_satisfy) |>
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   762
      map_filter (fn Notes notes => SOME notes | _ => NONE);
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   763
b0a0843dfd99 Satisfy a_axioms.
ballarin
parents: 29034
diff changeset
   764
    val deps' = map (fn (l, morph) => (l, morph $> b_satisfy)) deps;
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   765
    val axioms = map Element.conclude_witness b_axioms;
28872
686963dbf6cd add_locale functional.
ballarin
parents: 28862
diff changeset
   766
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   767
    val loc_ctxt = thy'
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   768
      |> Locale.register_locale bname (extraTs, params)
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   769
          (asm, rev defs) (a_intro, b_intro) axioms ([], []) 
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   770
          (map (fn n => (n, stamp ())) notes |> rev) (map (fn d => (d, stamp ())) deps' |> rev)
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   771
      |> TheoryTarget.init (SOME name)
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   772
      |> fold (fn (kind, facts) => LocalTheory.notes kind facts #> snd) notes';
29028
b5dad96c755a When adding locales, delay notes until local theory is built.
ballarin
parents: 29022
diff changeset
   773
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29288
diff changeset
   774
  in (name, loc_ctxt) end;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   775
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   776
in
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   777
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   778
val add_locale = gen_add_locale cert_declaration;
28902
2019bcc9d8bf Ahere to modern naming conventions; proper treatment of internal vs external names.
ballarin
parents: 28898
diff changeset
   779
val add_locale_cmd = gen_add_locale read_declaration;
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   780
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   781
end;
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   782
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   783
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   784
(*** Interpretation ***)
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   785
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   786
(** Interpretation between locales: declaring sublocale relationships **)
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   787
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   788
local
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   789
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   790
fun gen_sublocale prep_expr intern raw_target expression thy =
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   791
  let
28902
2019bcc9d8bf Ahere to modern naming conventions; proper treatment of internal vs external names.
ballarin
parents: 28898
diff changeset
   792
    val target = intern thy raw_target;
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   793
    val target_ctxt = Locale.init target thy;
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   794
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   795
    val ((propss, deps, export), goal_ctxt) = prep_expr expression target_ctxt;
28898
530c7d28a962 Proper treatment of expressions with free arguments.
ballarin
parents: 28895
diff changeset
   796
    
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   797
    fun after_qed witss = ProofContext.theory (
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   798
      fold2 (fn (name, morph) => fn wits => Locale.add_dependency target
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   799
        (name, morph $> Element.satisfy_morphism wits $> export)) deps witss #>
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   800
      (fn thy => fold_rev Locale.activate_global_facts
29391
1f6e8c00dc3e tuned signature; changed locale predicate name convention
haftmann
parents: 29362
diff changeset
   801
          (Locale.get_registrations thy) thy));
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   802
  in Element.witness_proof after_qed propss goal_ctxt end;
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   803
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   804
in
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   805
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   806
fun sublocale x = gen_sublocale cert_goal_expression (K I) x;
29360
a5be60c3674e locale -> old_locale, new_locale -> locale
haftmann
parents: 29358
diff changeset
   807
fun sublocale_cmd x = gen_sublocale read_goal_expression Locale.intern x;
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   808
28795
6891e273c33b Initial part of locale reimplementation.
ballarin
parents: 28701
diff changeset
   809
end;
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   810
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   811
28993
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   812
(** Interpretation in theories **)
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   813
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   814
local
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   815
29211
ab99da3854af Equations in interpretation as goals.
ballarin
parents: 29210
diff changeset
   816
fun gen_interpretation prep_expr parse_prop prep_attr
29496
d35769eb9fc9 tuned interpretation code
haftmann
parents: 29441
diff changeset
   817
    expression equations theory =
28993
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   818
  let
29496
d35769eb9fc9 tuned interpretation code
haftmann
parents: 29441
diff changeset
   819
    val ((propss, regs, export), expr_ctxt) = ProofContext.init theory
d35769eb9fc9 tuned interpretation code
haftmann
parents: 29441
diff changeset
   820
      |> prep_expr expression;
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   821
29211
ab99da3854af Equations in interpretation as goals.
ballarin
parents: 29210
diff changeset
   822
    val eqns = map (parse_prop expr_ctxt o snd) equations |> Syntax.check_terms expr_ctxt;
29496
d35769eb9fc9 tuned interpretation code
haftmann
parents: 29441
diff changeset
   823
    val eq_attns = map ((apsnd o map) (prep_attr theory) o fst) equations;
29211
ab99da3854af Equations in interpretation as goals.
ballarin
parents: 29210
diff changeset
   824
    val goal_ctxt = fold Variable.auto_fixes eqns expr_ctxt;
ab99da3854af Equations in interpretation as goals.
ballarin
parents: 29210
diff changeset
   825
    val export' = Variable.export_morphism goal_ctxt expr_ctxt;
29210
4025459e3f83 Interpretation in theories: first version with equations.
ballarin
parents: 29208
diff changeset
   826
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   827
    fun store_reg ((name, morph), wits) thy =
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   828
      let
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   829
        val wits' = map (Element.morph_witness export') wits;
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   830
        val morph' = morph $> Element.satisfy_morphism wits';
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   831
      in
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   832
        thy
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   833
        |> Locale.add_registration (name, (morph', export))
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   834
        |> pair (name, morph')
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   835
      end;
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   836
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   837
    fun store_eqns_activate regs [] thy =
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   838
          thy
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   839
          |> fold (fn (name, morph) =>
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   840
               Locale.activate_global_facts (name, morph $> export)) regs
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   841
      | store_eqns_activate regs eqs thy =
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   842
          let
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   843
            val eqs' = eqs |> map (Morphism.thm (export' $> export) #>
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   844
              LocalDefs.meta_rewrite_rule (ProofContext.init thy) #>
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   845
              Drule.abs_def);
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   846
            val eq_morph = Element.eq_morphism thy eqs';
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   847
            val eq_attns' = map ((apsnd o map) (Attrib.attribute_i thy)) eq_attns;
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   848
          in
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   849
            thy
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   850
            |> fold (fn (name, morph) =>
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   851
                Locale.amend_registration eq_morph (name, morph) #>
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   852
                Locale.activate_global_facts (name, morph $> eq_morph $> export)) regs
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   853
            |> PureThy.note_thmss Thm.lemmaK (eq_attns' ~~ map (fn eq => [([eq], [])]) eqs')
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   854
            |> snd
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   855
          end;
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   856
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   857
    fun after_qed wits eqs = ProofContext.theory (fold_map store_reg (regs ~~ wits)
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   858
        #-> (fn regs => store_eqns_activate regs eqs));
29441
28d7d7572b81 explicit bookkeeping of intro rules and axiom
haftmann
parents: 29394
diff changeset
   859
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   860
  in Element.witness_proof_eqs after_qed propss eqns goal_ctxt end;
28993
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   861
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   862
in
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   863
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   864
fun interpretation x = gen_interpretation cert_goal_expression (K I) (K I) x;
29210
4025459e3f83 Interpretation in theories: first version with equations.
ballarin
parents: 29208
diff changeset
   865
fun interpretation_cmd x = gen_interpretation read_goal_expression
29211
ab99da3854af Equations in interpretation as goals.
ballarin
parents: 29210
diff changeset
   866
  Syntax.parse_prop Attrib.intern_src x;
28895
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   867
4e2914c2f8c5 Sublocale command.
ballarin
parents: 28885
diff changeset
   868
end;
28903
b3fc3a62247a Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents: 28902
diff changeset
   869
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   870
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   871
(** Interpretation in proof contexts **)
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   872
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   873
local
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   874
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   875
fun gen_interpret prep_expr
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   876
    expression int state =
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   877
  let
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   878
    val _ = Proof.assert_forward_or_chain state;
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   879
    val ctxt = Proof.context_of state;
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   880
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   881
    val ((propss, regs, export), goal_ctxt) = prep_expr expression ctxt;
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   882
    
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   883
    fun store_reg (name, morph) thms =
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   884
      let
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   885
        val morph' = morph $> Element.satisfy_morphism thms $> export;
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   886
      in Locale.activate_local_facts (name, morph') end;
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   887
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   888
    fun after_qed wits =
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   889
      Proof.map_context (fold2 store_reg regs wits);
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   890
  in
29578
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   891
    state
8c4e961fcb08 refined witness algebra
haftmann
parents: 29559
diff changeset
   892
    |> Element.witness_local_proof after_qed "interpret" propss goal_ctxt int
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   893
  end;
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   894
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   895
in
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   896
29501
08df2e51cb80 added cert_read_declaration; more exports; tuned signature
haftmann
parents: 29496
diff changeset
   897
fun interpret x = gen_interpret cert_goal_expression x;
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   898
fun interpret_cmd x = gen_interpret read_goal_expression x;
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   899
28993
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   900
end;
829e684b02ef Interpretation in theories including interaction with subclass relation.
ballarin
parents: 28951
diff changeset
   901
29018
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   902
end;
17538bdef546 Interpretation in proof contexts.
ballarin
parents: 28994
diff changeset
   903