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(* Title: Pure/Isar/expression.ML
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ballarin@28697
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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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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.T * typ option * mixfix) list;
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type expression = string expr * (Binding.T * string option * mixfix) list;
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(* Processing of context statements *)
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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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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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(* Declaring locales *)
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val add_locale: string -> bstring -> expression_i -> Element.context_i list ->
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theory -> string * local_theory;
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val add_locale_cmd: string -> bstring -> expression -> Element.context list ->
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theory -> string * local_theory;
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(* Interpretation *)
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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.T * string option * mixfix) list;
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type expression_i = term expr * (Binding.T * 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.base_name 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.base_name b1 = Binding.base_name b2) andalso
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(if mx1 = mx2 then true
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else error ("Conflicting syntax for parameter" ^ quote (Binding.display b1) ^
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" in expression."));
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fun bind_eq (b1, b2) = (Binding.base_name b1 = Binding.base_name b2);
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(* FIXME: cannot compare bindings for equality. *)
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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.base_name) implicit;
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val fixed' = map (#1 #> Binding.base_name) 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 parse_term parms (Positional insts) ctxt =
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(insts ~~ parms) |> map (fn
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(NONE, p) => Syntax.parse_term ctxt p |
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(SOME t, _) => parse_term ctxt t)
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| prep_inst parse_term parms (Named insts) ctxt =
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parms |> map (fn p => case AList.lookup (op =) insts p of
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SOME t => parse_term ctxt t |
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NONE => Syntax.parse_term ctxt p);
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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 elem =
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ballarin@29215
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Element.map_ctxt' {binding = I, var = I, typ = prep_typ ctxt,
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term = prep_term (ProofContext.set_mode ProofContext.mode_schematic ctxt), (* FIXME ?? *)
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pat = prep_term (ProofContext.set_mode ProofContext.mode_pattern ctxt),
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fact = I, attrib = I} elem;
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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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ballarin@29215
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map (prep_term (ProofContext.set_mode ProofContext.mode_pattern ctxt)) ps)) concl;
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ballarin@28852
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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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ballarin@28885
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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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ballarin@28872
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fun check_autofix insts elems concl ctxt =
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ballarin@28852
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let
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ballarin@28885
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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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ballarin@28885
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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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ballarin@28885
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(fold_burrow o fold_burrow) check (inst_cs :: elem_css @ [concl_cs]) ctxt;
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ballarin@28934
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val (elem_css', [concl_cs']) = chop (length elem_css) css';
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ballarin@28885
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in
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ballarin@28934
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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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ballarin@28885
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end;
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end;
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ballarin@28852
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(** Prepare locale elements **)
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ballarin@28795
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fun declare_elem prep_vars (Fixes fixes) ctxt =
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ballarin@28795
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let val (vars, _) = prep_vars fixes ctxt
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ballarin@28852
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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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haftmann@28965
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ctxt |> prep_vars (map (fn (x, T) => (Binding.name x, SOME T, NoSyn)) csts) |> snd
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ballarin@28872
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| declare_elem _ (Assumes _) ctxt = ctxt
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ballarin@28872
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| declare_elem _ (Defines _) ctxt = ctxt
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ballarin@28852
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| declare_elem _ (Notes _) ctxt = ctxt;
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ballarin@28795
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ballarin@29221
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(** Finish locale elements **)
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ballarin@28795
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ballarin@28852
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fun closeup _ _ false elem = elem
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ballarin@28852
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| closeup ctxt parms true elem =
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ballarin@28795
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let
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ballarin@28795
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fun close_frees t =
|
ballarin@28795
|
280 |
let
|
ballarin@28795
|
281 |
val rev_frees =
|
ballarin@28795
|
282 |
Term.fold_aterms (fn Free (x, T) =>
|
ballarin@28852
|
283 |
if AList.defined (op =) parms x then I else insert (op =) (x, T) | _ => I) t [];
|
ballarin@29021
|
284 |
in Term.list_all_free (rev rev_frees, t) end; (* FIXME use fold Logic.all *)
|
ballarin@29019
|
285 |
(* FIXME consider closing in syntactic phase *)
|
ballarin@28795
|
286 |
|
ballarin@28795
|
287 |
fun no_binds [] = []
|
ballarin@28852
|
288 |
| no_binds _ = error "Illegal term bindings in context element";
|
ballarin@28795
|
289 |
in
|
ballarin@28795
|
290 |
(case elem of
|
ballarin@28795
|
291 |
Assumes asms => Assumes (asms |> map (fn (a, propps) =>
|
ballarin@28795
|
292 |
(a, map (fn (t, ps) => (close_frees t, no_binds ps)) propps)))
|
ballarin@29022
|
293 |
| Defines defs => Defines (defs |> map (fn ((name, atts), (t, ps)) =>
|
ballarin@29022
|
294 |
let val ((c, _), t') = LocalDefs.cert_def ctxt (close_frees t)
|
ballarin@29022
|
295 |
in
|
ballarin@29022
|
296 |
((Binding.map_base (Thm.def_name_optional c) name, atts), (t', no_binds ps))
|
ballarin@29022
|
297 |
end))
|
ballarin@28795
|
298 |
| e => e)
|
ballarin@28795
|
299 |
end;
|
ballarin@28795
|
300 |
|
ballarin@28872
|
301 |
fun finish_primitive parms _ (Fixes fixes) = Fixes (map (fn (binding, _, mx) =>
|
haftmann@28999
|
302 |
let val x = Binding.base_name binding
|
ballarin@28795
|
303 |
in (binding, AList.lookup (op =) parms x, mx) end) fixes)
|
ballarin@28872
|
304 |
| finish_primitive _ _ (Constrains _) = Constrains []
|
ballarin@28872
|
305 |
| finish_primitive _ close (Assumes asms) = close (Assumes asms)
|
ballarin@28872
|
306 |
| finish_primitive _ close (Defines defs) = close (Defines defs)
|
ballarin@28872
|
307 |
| finish_primitive _ _ (Notes facts) = Notes facts;
|
ballarin@28872
|
308 |
|
ballarin@29221
|
309 |
fun finish_inst ctxt parms do_close (loc, (prfx, inst)) =
|
ballarin@28872
|
310 |
let
|
ballarin@28872
|
311 |
val thy = ProofContext.theory_of ctxt;
|
haftmann@29360
|
312 |
val (parm_names, parm_types) = Locale.params_of thy loc |>
|
haftmann@28999
|
313 |
map (fn (b, SOME T, _) => (Binding.base_name b, T)) |> split_list;
|
ballarin@28872
|
314 |
val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst) ctxt;
|
ballarin@29221
|
315 |
in (loc, morph) end;
|
ballarin@28795
|
316 |
|
ballarin@29221
|
317 |
fun finish_elem ctxt parms do_close elem =
|
ballarin@28795
|
318 |
let
|
ballarin@28872
|
319 |
val elem' = finish_primitive parms (closeup ctxt parms do_close) elem;
|
ballarin@29221
|
320 |
in elem' end
|
ballarin@28795
|
321 |
|
ballarin@29221
|
322 |
fun finish ctxt parms do_close insts elems =
|
ballarin@28872
|
323 |
let
|
ballarin@29221
|
324 |
val deps = map (finish_inst ctxt parms do_close) insts;
|
ballarin@29221
|
325 |
val elems' = map (finish_elem ctxt parms do_close) elems;
|
ballarin@29221
|
326 |
in (deps, elems') end;
|
ballarin@28795
|
327 |
|
ballarin@28795
|
328 |
|
ballarin@28895
|
329 |
(** Process full context statement: instantiations + elements + conclusion **)
|
ballarin@28895
|
330 |
|
ballarin@28895
|
331 |
(* Interleave incremental parsing and type inference over entire parsed stretch. *)
|
ballarin@28895
|
332 |
|
ballarin@28795
|
333 |
local
|
ballarin@28795
|
334 |
|
ballarin@28895
|
335 |
fun prep_full_context_statement parse_typ parse_prop parse_inst prep_vars prep_expr
|
haftmann@29358
|
336 |
strict do_close raw_import raw_elems raw_concl ctxt1 =
|
ballarin@28795
|
337 |
let
|
haftmann@29358
|
338 |
val thy = ProofContext.theory_of ctxt1;
|
ballarin@28872
|
339 |
|
ballarin@28895
|
340 |
val (raw_insts, fixed) = parameters_of thy strict (apfst (prep_expr thy) raw_import);
|
ballarin@28895
|
341 |
|
ballarin@28951
|
342 |
fun prep_inst (loc, (prfx, inst)) (i, insts, ctxt) =
|
ballarin@28872
|
343 |
let
|
haftmann@29360
|
344 |
val (parm_names, parm_types) = Locale.params_of thy loc |>
|
haftmann@28999
|
345 |
map (fn (b, SOME T, _) => (Binding.base_name b, T)) |> split_list;
|
ballarin@28872
|
346 |
val inst' = parse_inst parm_names inst ctxt;
|
ballarin@28885
|
347 |
val parm_types' = map (TypeInfer.paramify_vars o
|
ballarin@28885
|
348 |
Term.map_type_tvar (fn ((x, _), S) => TVar ((x, i), S)) o Logic.varifyT) parm_types;
|
ballarin@28872
|
349 |
val inst'' = map2 TypeInfer.constrain parm_types' inst';
|
ballarin@28872
|
350 |
val insts' = insts @ [(loc, (prfx, inst''))];
|
ballarin@28951
|
351 |
val (insts'', _, _, ctxt' (* FIXME not used *) ) = check_autofix insts' [] [] ctxt;
|
ballarin@28872
|
352 |
val inst''' = insts'' |> List.last |> snd |> snd;
|
ballarin@28872
|
353 |
val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst''') ctxt;
|
haftmann@29360
|
354 |
val ctxt'' = Locale.activate_declarations thy (loc, morph) ctxt;
|
ballarin@28951
|
355 |
in (i+1, insts', ctxt'') end;
|
ballarin@28872
|
356 |
|
ballarin@28872
|
357 |
fun prep_elem raw_elem (insts, elems, ctxt) =
|
ballarin@28852
|
358 |
let
|
ballarin@28852
|
359 |
val ctxt' = declare_elem prep_vars raw_elem ctxt;
|
ballarin@28852
|
360 |
val elems' = elems @ [parse_elem parse_typ parse_prop ctxt' raw_elem];
|
ballarin@28872
|
361 |
val (_, _, _, ctxt'') = check_autofix insts elems' [] ctxt';
|
ballarin@28872
|
362 |
in (insts, elems', ctxt') end;
|
ballarin@28795
|
363 |
|
ballarin@28872
|
364 |
fun prep_concl raw_concl (insts, elems, ctxt) =
|
ballarin@28852
|
365 |
let
|
ballarin@29215
|
366 |
val concl = parse_concl parse_prop ctxt raw_concl;
|
ballarin@28872
|
367 |
in check_autofix insts elems concl ctxt end;
|
ballarin@28795
|
368 |
|
haftmann@29358
|
369 |
val fors = prep_vars fixed ctxt1 |> fst;
|
haftmann@29358
|
370 |
val ctxt2 = ctxt1 |> ProofContext.add_fixes_i fors |> snd;
|
haftmann@29358
|
371 |
val (_, insts', ctxt3) = fold prep_inst raw_insts (0, [], ctxt2);
|
haftmann@29358
|
372 |
val (_, elems'', ctxt4) = fold prep_elem raw_elems (insts', [], ctxt3);
|
haftmann@29358
|
373 |
val (insts, elems, concl, ctxt5) =
|
haftmann@29358
|
374 |
prep_concl raw_concl (insts', elems'', ctxt4);
|
ballarin@28795
|
375 |
|
ballarin@28872
|
376 |
(* Retrieve parameter types *)
|
haftmann@28999
|
377 |
val xs = fold (fn Fixes fixes => (fn ps => ps @ map (Binding.base_name o #1) fixes) |
|
ballarin@28872
|
378 |
_ => fn ps => ps) (Fixes fors :: elems) [];
|
haftmann@29358
|
379 |
val (Ts, ctxt6) = fold_map ProofContext.inferred_param xs ctxt5;
|
ballarin@28895
|
380 |
val parms = xs ~~ Ts; (* params from expression and elements *)
|
ballarin@28795
|
381 |
|
ballarin@28872
|
382 |
val Fixes fors' = finish_primitive parms I (Fixes fors);
|
haftmann@29358
|
383 |
val (deps, elems') = finish ctxt6 parms do_close insts elems;
|
ballarin@28852
|
384 |
|
haftmann@29358
|
385 |
in ((fors', deps, elems', concl), (parms, ctxt6)) end
|
ballarin@28795
|
386 |
|
ballarin@28795
|
387 |
in
|
ballarin@28795
|
388 |
|
ballarin@28895
|
389 |
fun read_full_context_statement x =
|
ballarin@28895
|
390 |
prep_full_context_statement Syntax.parse_typ Syntax.parse_prop parse_inst
|
ballarin@28895
|
391 |
ProofContext.read_vars intern x;
|
ballarin@28895
|
392 |
fun cert_full_context_statement x =
|
ballarin@28895
|
393 |
prep_full_context_statement (K I) (K I) make_inst ProofContext.cert_vars (K I) x;
|
ballarin@28795
|
394 |
|
ballarin@28795
|
395 |
end;
|
ballarin@28795
|
396 |
|
ballarin@28795
|
397 |
|
ballarin@28898
|
398 |
(* Context statement: elements + conclusion *)
|
ballarin@28795
|
399 |
|
ballarin@28795
|
400 |
local
|
ballarin@28795
|
401 |
|
ballarin@28898
|
402 |
fun prep_statement prep activate raw_elems raw_concl context =
|
ballarin@28898
|
403 |
let
|
haftmann@29358
|
404 |
val ((_, _, elems, concl), _) =
|
haftmann@29358
|
405 |
prep true false ([], []) raw_elems raw_concl context ;
|
ballarin@28898
|
406 |
val (_, context') = activate elems (ProofContext.set_stmt true context);
|
ballarin@28898
|
407 |
in (concl, context') end;
|
ballarin@28898
|
408 |
|
ballarin@28898
|
409 |
in
|
ballarin@28898
|
410 |
|
ballarin@28898
|
411 |
fun read_statement x = prep_statement read_full_context_statement Element.activate x;
|
ballarin@28898
|
412 |
fun cert_statement x = prep_statement cert_full_context_statement Element.activate_i x;
|
ballarin@28898
|
413 |
|
ballarin@28898
|
414 |
end;
|
ballarin@28898
|
415 |
|
ballarin@28898
|
416 |
|
ballarin@28898
|
417 |
(* Locale declaration: import + elements *)
|
ballarin@28898
|
418 |
|
ballarin@28898
|
419 |
local
|
ballarin@28898
|
420 |
|
ballarin@28898
|
421 |
fun prep_declaration prep activate raw_import raw_elems context =
|
ballarin@28795
|
422 |
let
|
haftmann@29358
|
423 |
val ((fixed, deps, elems, _), (parms, ctxt')) =
|
haftmann@29358
|
424 |
prep false true raw_import raw_elems [] context ;
|
ballarin@28898
|
425 |
(* Declare parameters and imported facts *)
|
ballarin@28898
|
426 |
val context' = context |>
|
ballarin@28898
|
427 |
ProofContext.add_fixes_i fixed |> snd |>
|
haftmann@29360
|
428 |
fold Locale.activate_local_facts deps;
|
ballarin@29217
|
429 |
val (elems', _) = activate elems (ProofContext.set_stmt true context');
|
ballarin@29221
|
430 |
in ((fixed, deps, elems'), (parms, ctxt')) end;
|
ballarin@28795
|
431 |
|
ballarin@28795
|
432 |
in
|
ballarin@28795
|
433 |
|
ballarin@28898
|
434 |
fun read_declaration x = prep_declaration read_full_context_statement Element.activate x;
|
ballarin@28898
|
435 |
fun cert_declaration x = prep_declaration cert_full_context_statement Element.activate_i x;
|
ballarin@28879
|
436 |
|
ballarin@28898
|
437 |
end;
|
ballarin@28898
|
438 |
|
ballarin@28898
|
439 |
|
ballarin@28898
|
440 |
(* Locale expression to set up a goal *)
|
ballarin@28898
|
441 |
|
ballarin@28898
|
442 |
local
|
ballarin@28898
|
443 |
|
ballarin@28898
|
444 |
fun props_of thy (name, morph) =
|
ballarin@28898
|
445 |
let
|
haftmann@29360
|
446 |
val (asm, defs) = Locale.specification_of thy name;
|
ballarin@28898
|
447 |
in
|
ballarin@28898
|
448 |
(case asm of NONE => defs | SOME asm => asm :: defs) |> map (Morphism.term morph)
|
ballarin@28898
|
449 |
end;
|
ballarin@28898
|
450 |
|
ballarin@28898
|
451 |
fun prep_goal_expression prep expression context =
|
ballarin@28898
|
452 |
let
|
ballarin@28898
|
453 |
val thy = ProofContext.theory_of context;
|
ballarin@28898
|
454 |
|
haftmann@29358
|
455 |
val ((fixed, deps, _, _), _) =
|
haftmann@29358
|
456 |
prep true true expression [] [] context;
|
ballarin@28898
|
457 |
(* proof obligations *)
|
ballarin@28898
|
458 |
val propss = map (props_of thy) deps;
|
ballarin@28898
|
459 |
|
ballarin@28898
|
460 |
val goal_ctxt = context |>
|
ballarin@28898
|
461 |
ProofContext.add_fixes_i fixed |> snd |>
|
ballarin@28898
|
462 |
(fold o fold) Variable.auto_fixes propss;
|
ballarin@28898
|
463 |
|
ballarin@28898
|
464 |
val export = Variable.export_morphism goal_ctxt context;
|
ballarin@28898
|
465 |
val exp_fact = Drule.zero_var_indexes_list o map Thm.strip_shyps o Morphism.fact export;
|
ballarin@29245
|
466 |
val exp_term = TermSubst.zero_var_indexes o Morphism.term export;
|
ballarin@28898
|
467 |
val exp_typ = Logic.type_map exp_term;
|
ballarin@28898
|
468 |
val export' =
|
haftmann@28965
|
469 |
Morphism.morphism {binding = I, var = I, typ = exp_typ, term = exp_term, fact = exp_fact};
|
ballarin@28898
|
470 |
in ((propss, deps, export'), goal_ctxt) end;
|
ballarin@28898
|
471 |
|
ballarin@28898
|
472 |
in
|
ballarin@28898
|
473 |
|
ballarin@28898
|
474 |
fun read_goal_expression x = prep_goal_expression read_full_context_statement x;
|
ballarin@28898
|
475 |
fun cert_goal_expression x = prep_goal_expression cert_full_context_statement x;
|
ballarin@28879
|
476 |
|
ballarin@28795
|
477 |
end;
|
ballarin@28795
|
478 |
|
ballarin@28795
|
479 |
|
ballarin@28795
|
480 |
(*** Locale declarations ***)
|
ballarin@28795
|
481 |
|
ballarin@29221
|
482 |
(* extract specification text *)
|
ballarin@29221
|
483 |
|
ballarin@29221
|
484 |
val norm_term = Envir.beta_norm oo Term.subst_atomic;
|
ballarin@29221
|
485 |
|
ballarin@29221
|
486 |
fun bind_def ctxt eq (xs, env, eqs) =
|
ballarin@29221
|
487 |
let
|
ballarin@29221
|
488 |
val _ = LocalDefs.cert_def ctxt eq;
|
ballarin@29221
|
489 |
val ((y, T), b) = LocalDefs.abs_def eq;
|
ballarin@29221
|
490 |
val b' = norm_term env b;
|
ballarin@29221
|
491 |
fun err msg = error (msg ^ ": " ^ quote y);
|
ballarin@29221
|
492 |
in
|
ballarin@29250
|
493 |
case filter (fn (Free (y', _), _) => y = y' | _ => false) env of
|
ballarin@29250
|
494 |
[] => (Term.add_frees b' xs, (Free (y, T), b') :: env, eq :: eqs) |
|
ballarin@29250
|
495 |
dups => if forall (fn (_, b'') => b' aconv b'') dups
|
ballarin@29250
|
496 |
then (xs, env, eqs)
|
ballarin@29250
|
497 |
else err "Attempt to redefine variable"
|
ballarin@29221
|
498 |
end;
|
ballarin@29221
|
499 |
|
ballarin@29221
|
500 |
(* text has the following structure:
|
ballarin@29221
|
501 |
(((exts, exts'), (ints, ints')), (xs, env, defs))
|
ballarin@29221
|
502 |
where
|
ballarin@29221
|
503 |
exts: external assumptions (terms in assumes elements)
|
ballarin@29221
|
504 |
exts': dito, normalised wrt. env
|
ballarin@29221
|
505 |
ints: internal assumptions (terms in assumptions from insts)
|
ballarin@29221
|
506 |
ints': dito, normalised wrt. env
|
ballarin@29221
|
507 |
xs: the free variables in exts' and ints' and rhss of definitions,
|
ballarin@29221
|
508 |
this includes parameters except defined parameters
|
ballarin@29221
|
509 |
env: list of term pairs encoding substitutions, where the first term
|
ballarin@29221
|
510 |
is a free variable; substitutions represent defines elements and
|
ballarin@29221
|
511 |
the rhs is normalised wrt. the previous env
|
ballarin@29221
|
512 |
defs: the equations from the defines elements
|
ballarin@29221
|
513 |
*)
|
ballarin@29221
|
514 |
|
ballarin@29221
|
515 |
fun eval_text _ _ (Fixes _) text = text
|
ballarin@29221
|
516 |
| eval_text _ _ (Constrains _) text = text
|
ballarin@29221
|
517 |
| eval_text _ is_ext (Assumes asms)
|
ballarin@29221
|
518 |
(((exts, exts'), (ints, ints')), (xs, env, defs)) =
|
ballarin@29221
|
519 |
let
|
ballarin@29221
|
520 |
val ts = maps (map #1 o #2) asms;
|
ballarin@29221
|
521 |
val ts' = map (norm_term env) ts;
|
ballarin@29221
|
522 |
val spec' =
|
ballarin@29221
|
523 |
if is_ext then ((exts @ ts, exts' @ ts'), (ints, ints'))
|
ballarin@29221
|
524 |
else ((exts, exts'), (ints @ ts, ints' @ ts'));
|
ballarin@29221
|
525 |
in (spec', (fold Term.add_frees ts' xs, env, defs)) end
|
ballarin@29221
|
526 |
| eval_text ctxt _ (Defines defs) (spec, binds) =
|
ballarin@29221
|
527 |
(spec, fold (bind_def ctxt o #1 o #2) defs binds)
|
ballarin@29221
|
528 |
| eval_text _ _ (Notes _) text = text;
|
ballarin@29221
|
529 |
|
ballarin@29221
|
530 |
fun eval_inst ctxt (loc, morph) text =
|
ballarin@29221
|
531 |
let
|
ballarin@29221
|
532 |
val thy = ProofContext.theory_of ctxt;
|
haftmann@29360
|
533 |
val (asm, defs) = Locale.specification_of thy loc;
|
ballarin@29221
|
534 |
val asm' = Option.map (Morphism.term morph) asm;
|
ballarin@29221
|
535 |
val defs' = map (Morphism.term morph) defs;
|
ballarin@29221
|
536 |
val text' = text |>
|
ballarin@29221
|
537 |
(if is_some asm
|
ballarin@29221
|
538 |
then eval_text ctxt false (Assumes [(Attrib.empty_binding, [(the asm', [])])])
|
ballarin@29221
|
539 |
else I) |>
|
ballarin@29221
|
540 |
(if not (null defs)
|
ballarin@29221
|
541 |
then eval_text ctxt false (Defines (map (fn def => (Attrib.empty_binding, (def, []))) defs'))
|
ballarin@29221
|
542 |
else I)
|
haftmann@29360
|
543 |
(* FIXME clone from locale.ML *)
|
ballarin@29221
|
544 |
in text' end;
|
ballarin@29221
|
545 |
|
ballarin@29221
|
546 |
fun eval_elem ctxt elem text =
|
ballarin@29221
|
547 |
let
|
ballarin@29221
|
548 |
val text' = eval_text ctxt true elem text;
|
ballarin@29221
|
549 |
in text' end;
|
ballarin@29221
|
550 |
|
ballarin@29221
|
551 |
fun eval ctxt deps elems =
|
ballarin@29221
|
552 |
let
|
ballarin@29221
|
553 |
val text' = fold (eval_inst ctxt) deps ((([], []), ([], [])), ([], [], []));
|
ballarin@29221
|
554 |
val ((spec, (_, _, defs))) = fold (eval_elem ctxt) elems text';
|
ballarin@29221
|
555 |
in (spec, defs) end;
|
ballarin@29221
|
556 |
|
ballarin@28903
|
557 |
(* axiomsN: name of theorem set with destruct rules for locale predicates,
|
ballarin@28903
|
558 |
also name suffix of delta predicates and assumptions. *)
|
ballarin@28903
|
559 |
|
ballarin@28903
|
560 |
val axiomsN = "axioms";
|
ballarin@28903
|
561 |
|
ballarin@28795
|
562 |
local
|
ballarin@28795
|
563 |
|
ballarin@28795
|
564 |
(* introN: name of theorems for introduction rules of locale and
|
ballarin@28903
|
565 |
delta predicates *)
|
ballarin@28795
|
566 |
|
ballarin@28795
|
567 |
val introN = "intro";
|
ballarin@28795
|
568 |
|
ballarin@28795
|
569 |
fun atomize_spec thy ts =
|
ballarin@28795
|
570 |
let
|
ballarin@28795
|
571 |
val t = Logic.mk_conjunction_balanced ts;
|
ballarin@28795
|
572 |
val body = ObjectLogic.atomize_term thy t;
|
ballarin@28795
|
573 |
val bodyT = Term.fastype_of body;
|
ballarin@28795
|
574 |
in
|
ballarin@28795
|
575 |
if bodyT = propT then (t, propT, Thm.reflexive (Thm.cterm_of thy t))
|
ballarin@28795
|
576 |
else (body, bodyT, ObjectLogic.atomize (Thm.cterm_of thy t))
|
ballarin@28795
|
577 |
end;
|
ballarin@28795
|
578 |
|
ballarin@28795
|
579 |
(* achieve plain syntax for locale predicates (without "PROP") *)
|
ballarin@28795
|
580 |
|
ballarin@28795
|
581 |
fun aprop_tr' n c = (Syntax.constN ^ c, fn ctxt => fn args =>
|
ballarin@28795
|
582 |
if length args = n then
|
ballarin@28795
|
583 |
Syntax.const "_aprop" $
|
ballarin@28795
|
584 |
Term.list_comb (Syntax.free (Consts.extern (ProofContext.consts_of ctxt) c), args)
|
ballarin@28795
|
585 |
else raise Match);
|
ballarin@28795
|
586 |
|
ballarin@28898
|
587 |
(* define one predicate including its intro rule and axioms
|
ballarin@28795
|
588 |
- bname: predicate name
|
ballarin@28795
|
589 |
- parms: locale parameters
|
ballarin@28795
|
590 |
- defs: thms representing substitutions from defines elements
|
ballarin@28795
|
591 |
- ts: terms representing locale assumptions (not normalised wrt. defs)
|
ballarin@28795
|
592 |
- norm_ts: terms representing locale assumptions (normalised wrt. defs)
|
ballarin@28795
|
593 |
- thy: the theory
|
ballarin@28795
|
594 |
*)
|
ballarin@28795
|
595 |
|
ballarin@28795
|
596 |
fun def_pred bname parms defs ts norm_ts thy =
|
ballarin@28795
|
597 |
let
|
haftmann@28965
|
598 |
val name = Sign.full_bname thy bname;
|
ballarin@28795
|
599 |
|
ballarin@28795
|
600 |
val (body, bodyT, body_eq) = atomize_spec thy norm_ts;
|
wenzelm@29272
|
601 |
val env = Term.add_free_names body [];
|
ballarin@28795
|
602 |
val xs = filter (member (op =) env o #1) parms;
|
ballarin@28795
|
603 |
val Ts = map #2 xs;
|
wenzelm@29272
|
604 |
val extraTs =
|
wenzelm@29272
|
605 |
(Term.add_tfrees body [] \\ fold Term.add_tfreesT Ts [])
|
ballarin@28795
|
606 |
|> Library.sort_wrt #1 |> map TFree;
|
ballarin@28795
|
607 |
val predT = map Term.itselfT extraTs ---> Ts ---> bodyT;
|
ballarin@28795
|
608 |
|
ballarin@28795
|
609 |
val args = map Logic.mk_type extraTs @ map Free xs;
|
ballarin@28795
|
610 |
val head = Term.list_comb (Const (name, predT), args);
|
ballarin@28795
|
611 |
val statement = ObjectLogic.ensure_propT thy head;
|
ballarin@28795
|
612 |
|
ballarin@28795
|
613 |
val ([pred_def], defs_thy) =
|
ballarin@28795
|
614 |
thy
|
ballarin@28795
|
615 |
|> bodyT = propT ? Sign.add_advanced_trfuns ([], [], [aprop_tr' (length args) name], [])
|
haftmann@28965
|
616 |
|> Sign.declare_const [] ((Binding.name bname, predT), NoSyn) |> snd
|
ballarin@28795
|
617 |
|> PureThy.add_defs false
|
ballarin@28795
|
618 |
[((Thm.def_name bname, Logic.mk_equals (head, body)), [Thm.kind_internal])];
|
ballarin@28795
|
619 |
val defs_ctxt = ProofContext.init defs_thy |> Variable.declare_term head;
|
ballarin@28795
|
620 |
|
ballarin@28795
|
621 |
val cert = Thm.cterm_of defs_thy;
|
ballarin@28795
|
622 |
|
ballarin@28795
|
623 |
val intro = Goal.prove_global defs_thy [] norm_ts statement (fn _ =>
|
ballarin@28795
|
624 |
MetaSimplifier.rewrite_goals_tac [pred_def] THEN
|
ballarin@28795
|
625 |
Tactic.compose_tac (false, body_eq RS Drule.equal_elim_rule1, 1) 1 THEN
|
ballarin@28795
|
626 |
Tactic.compose_tac (false,
|
ballarin@28795
|
627 |
Conjunction.intr_balanced (map (Thm.assume o cert) norm_ts), 0) 1);
|
ballarin@28795
|
628 |
|
ballarin@28795
|
629 |
val conjuncts =
|
ballarin@28795
|
630 |
(Drule.equal_elim_rule2 OF [body_eq,
|
ballarin@28795
|
631 |
MetaSimplifier.rewrite_rule [pred_def] (Thm.assume (cert statement))])
|
ballarin@28795
|
632 |
|> Conjunction.elim_balanced (length ts);
|
ballarin@28795
|
633 |
val axioms = ts ~~ conjuncts |> map (fn (t, ax) =>
|
ballarin@28795
|
634 |
Element.prove_witness defs_ctxt t
|
ballarin@28795
|
635 |
(MetaSimplifier.rewrite_goals_tac defs THEN
|
ballarin@28795
|
636 |
Tactic.compose_tac (false, ax, 0) 1));
|
ballarin@28795
|
637 |
in ((statement, intro, axioms), defs_thy) end;
|
ballarin@28795
|
638 |
|
ballarin@28795
|
639 |
in
|
ballarin@28795
|
640 |
|
ballarin@28795
|
641 |
(* CB: main predicate definition function *)
|
ballarin@28795
|
642 |
|
ballarin@29221
|
643 |
fun define_preds pname parms (((exts, exts'), (ints, ints')), defs) thy =
|
ballarin@28795
|
644 |
let
|
ballarin@29031
|
645 |
val defs' = map (cterm_of thy #> Assumption.assume #> Drule.gen_all #> Drule.abs_def) defs;
|
ballarin@29031
|
646 |
|
ballarin@28795
|
647 |
val (a_pred, a_intro, a_axioms, thy'') =
|
ballarin@28795
|
648 |
if null exts then (NONE, NONE, [], thy)
|
ballarin@28795
|
649 |
else
|
ballarin@28795
|
650 |
let
|
ballarin@28795
|
651 |
val aname = if null ints then pname else pname ^ "_" ^ axiomsN;
|
ballarin@28795
|
652 |
val ((statement, intro, axioms), thy') =
|
ballarin@28795
|
653 |
thy
|
ballarin@29031
|
654 |
|> def_pred aname parms defs' exts exts';
|
ballarin@28795
|
655 |
val (_, thy'') =
|
ballarin@28795
|
656 |
thy'
|
ballarin@28795
|
657 |
|> Sign.add_path aname
|
ballarin@28795
|
658 |
|> Sign.no_base_names
|
ballarin@28903
|
659 |
|> PureThy.note_thmss Thm.internalK
|
haftmann@29360
|
660 |
[((Binding.name introN, []), [([intro], [Locale.unfold_attrib])])]
|
ballarin@28795
|
661 |
||> Sign.restore_naming thy';
|
ballarin@28795
|
662 |
in (SOME statement, SOME intro, axioms, thy'') end;
|
ballarin@28795
|
663 |
val (b_pred, b_intro, b_axioms, thy'''') =
|
ballarin@28795
|
664 |
if null ints then (NONE, NONE, [], thy'')
|
ballarin@28795
|
665 |
else
|
ballarin@28795
|
666 |
let
|
ballarin@28795
|
667 |
val ((statement, intro, axioms), thy''') =
|
ballarin@28795
|
668 |
thy''
|
ballarin@29031
|
669 |
|> def_pred pname parms defs' (ints @ the_list a_pred) (ints' @ the_list a_pred);
|
ballarin@28795
|
670 |
val (_, thy'''') =
|
ballarin@28795
|
671 |
thy'''
|
ballarin@28795
|
672 |
|> Sign.add_path pname
|
ballarin@28795
|
673 |
|> Sign.no_base_names
|
ballarin@28795
|
674 |
|> PureThy.note_thmss Thm.internalK
|
haftmann@29360
|
675 |
[((Binding.name introN, []), [([intro], [Locale.intro_attrib])]),
|
haftmann@28965
|
676 |
((Binding.name axiomsN, []),
|
ballarin@28795
|
677 |
[(map (Drule.standard o Element.conclude_witness) axioms, [])])]
|
ballarin@28795
|
678 |
||> Sign.restore_naming thy''';
|
ballarin@28795
|
679 |
in (SOME statement, SOME intro, axioms, thy'''') end;
|
ballarin@28795
|
680 |
in ((a_pred, a_intro, a_axioms), (b_pred, b_intro, b_axioms), thy'''') end;
|
ballarin@28795
|
681 |
|
ballarin@28795
|
682 |
end;
|
ballarin@28795
|
683 |
|
ballarin@28795
|
684 |
|
ballarin@28795
|
685 |
local
|
ballarin@28795
|
686 |
|
ballarin@28795
|
687 |
fun assumes_to_notes (Assumes asms) axms =
|
ballarin@28795
|
688 |
fold_map (fn (a, spec) => fn axs =>
|
ballarin@28795
|
689 |
let val (ps, qs) = chop (length spec) axs
|
ballarin@28795
|
690 |
in ((a, [(ps, [])]), qs) end) asms axms
|
ballarin@28795
|
691 |
|> apfst (curry Notes Thm.assumptionK)
|
ballarin@28795
|
692 |
| assumes_to_notes e axms = (e, axms);
|
ballarin@28795
|
693 |
|
ballarin@29031
|
694 |
fun defines_to_notes thy (Defines defs) =
|
ballarin@29031
|
695 |
Notes (Thm.definitionK, map (fn (a, (def, _)) =>
|
ballarin@29245
|
696 |
(a, [([Assumption.assume (cterm_of thy def)],
|
haftmann@29360
|
697 |
[(Attrib.internal o K) Locale.witness_attrib])])) defs)
|
ballarin@29031
|
698 |
| defines_to_notes _ e = e;
|
ballarin@28795
|
699 |
|
ballarin@28898
|
700 |
fun gen_add_locale prep_decl
|
ballarin@28795
|
701 |
bname predicate_name raw_imprt raw_body thy =
|
ballarin@28795
|
702 |
let
|
haftmann@28965
|
703 |
val name = Sign.full_bname thy bname;
|
haftmann@29360
|
704 |
val _ = Locale.test_locale thy name andalso
|
ballarin@28795
|
705 |
error ("Duplicate definition of locale " ^ quote name);
|
ballarin@28795
|
706 |
|
ballarin@29221
|
707 |
val ((fixed, deps, body_elems), (parms, ctxt')) =
|
ballarin@29021
|
708 |
prep_decl raw_imprt raw_body (ProofContext.init thy);
|
ballarin@29221
|
709 |
val text as (((_, exts'), _), defs) = eval ctxt' deps body_elems;
|
ballarin@29221
|
710 |
|
ballarin@28872
|
711 |
val ((a_statement, a_intro, a_axioms), (b_statement, b_intro, b_axioms), thy') =
|
ballarin@29221
|
712 |
define_preds predicate_name parms text thy;
|
ballarin@28795
|
713 |
|
ballarin@28795
|
714 |
val extraTs = fold Term.add_tfrees exts' [] \\ fold Term.add_tfreesT (map snd parms) [];
|
ballarin@28795
|
715 |
val _ = if null extraTs then ()
|
ballarin@28795
|
716 |
else warning ("Additional type variable(s) in locale specification " ^ quote bname);
|
ballarin@28795
|
717 |
|
ballarin@29035
|
718 |
val a_satisfy = Element.satisfy_morphism a_axioms;
|
ballarin@29035
|
719 |
val b_satisfy = Element.satisfy_morphism b_axioms;
|
ballarin@28903
|
720 |
|
ballarin@28895
|
721 |
val params = fixed @
|
ballarin@28872
|
722 |
(body_elems |> map_filter (fn Fixes fixes => SOME fixes | _ => NONE) |> flat);
|
ballarin@28903
|
723 |
val asm = if is_some b_statement then b_statement else a_statement;
|
ballarin@29028
|
724 |
|
ballarin@29028
|
725 |
val notes =
|
ballarin@29028
|
726 |
if is_some asm
|
ballarin@29028
|
727 |
then [(Thm.internalK, [((Binding.name (bname ^ "_" ^ axiomsN), []),
|
ballarin@29028
|
728 |
[([Assumption.assume (cterm_of thy' (the asm))],
|
haftmann@29360
|
729 |
[(Attrib.internal o K) Locale.witness_attrib])])])]
|
ballarin@29028
|
730 |
else [];
|
ballarin@28795
|
731 |
|
ballarin@29035
|
732 |
val notes' = body_elems |>
|
ballarin@29035
|
733 |
map (defines_to_notes thy') |>
|
ballarin@29035
|
734 |
map (Element.morph_ctxt a_satisfy) |>
|
ballarin@29035
|
735 |
(fn elems => fold_map assumes_to_notes elems (map Element.conclude_witness a_axioms)) |>
|
ballarin@29035
|
736 |
fst |>
|
ballarin@29035
|
737 |
map (Element.morph_ctxt b_satisfy) |>
|
ballarin@29035
|
738 |
map_filter (fn Notes notes => SOME notes | _ => NONE);
|
ballarin@29035
|
739 |
|
ballarin@29035
|
740 |
val deps' = map (fn (l, morph) => (l, morph $> b_satisfy)) deps;
|
ballarin@28872
|
741 |
|
haftmann@29358
|
742 |
val loc_ctxt = thy'
|
haftmann@29360
|
743 |
|> Locale.register_locale bname (extraTs, params)
|
haftmann@29358
|
744 |
(asm, rev defs) ([], [])
|
haftmann@29358
|
745 |
(map (fn n => (n, stamp ())) notes |> rev) (map (fn d => (d, stamp ())) deps' |> rev)
|
haftmann@29358
|
746 |
|> TheoryTarget.init (SOME name)
|
haftmann@29358
|
747 |
|> fold (fn (kind, facts) => LocalTheory.notes kind facts #> snd) notes';
|
ballarin@29028
|
748 |
|
haftmann@29358
|
749 |
in (name, loc_ctxt) end;
|
ballarin@28795
|
750 |
|
ballarin@28795
|
751 |
in
|
ballarin@28795
|
752 |
|
ballarin@28902
|
753 |
val add_locale_cmd = gen_add_locale read_declaration;
|
ballarin@28902
|
754 |
val add_locale = gen_add_locale cert_declaration;
|
ballarin@28795
|
755 |
|
ballarin@28795
|
756 |
end;
|
ballarin@28795
|
757 |
|
ballarin@28895
|
758 |
|
ballarin@28895
|
759 |
(*** Interpretation ***)
|
ballarin@28895
|
760 |
|
ballarin@28895
|
761 |
(** Witnesses and goals **)
|
ballarin@28895
|
762 |
|
ballarin@28895
|
763 |
fun prep_propp propss = propss |> map (map (rpair [] o Element.mark_witness));
|
ballarin@28895
|
764 |
|
wenzelm@29254
|
765 |
val prep_result = map2 (fn props => fn thms =>
|
wenzelm@29254
|
766 |
map2 Element.make_witness props (map Thm.close_derivation thms));
|
ballarin@28895
|
767 |
|
ballarin@28895
|
768 |
|
ballarin@28895
|
769 |
(** Interpretation between locales: declaring sublocale relationships **)
|
ballarin@28895
|
770 |
|
ballarin@28895
|
771 |
local
|
ballarin@28895
|
772 |
|
ballarin@28902
|
773 |
fun gen_sublocale prep_expr intern
|
ballarin@28951
|
774 |
raw_target expression thy =
|
ballarin@28895
|
775 |
let
|
ballarin@28902
|
776 |
val target = intern thy raw_target;
|
haftmann@29360
|
777 |
val target_ctxt = Locale.init target thy;
|
ballarin@28895
|
778 |
|
ballarin@28903
|
779 |
val ((propss, deps, export), goal_ctxt) = prep_expr expression target_ctxt;
|
ballarin@28898
|
780 |
|
ballarin@28902
|
781 |
fun store_dep ((name, morph), thms) =
|
haftmann@29360
|
782 |
Locale.add_dependency target (name, morph $> Element.satisfy_morphism thms $> export);
|
ballarin@28895
|
783 |
|
ballarin@28993
|
784 |
fun after_qed results =
|
ballarin@28993
|
785 |
ProofContext.theory (
|
ballarin@28993
|
786 |
(* store dependencies *)
|
ballarin@28993
|
787 |
fold store_dep (deps ~~ prep_result propss results) #>
|
ballarin@28993
|
788 |
(* propagate registrations *)
|
haftmann@29360
|
789 |
(fn thy => fold_rev (fn reg => Locale.activate_global_facts reg)
|
haftmann@29360
|
790 |
(Locale.get_global_registrations thy) thy));
|
ballarin@28895
|
791 |
in
|
ballarin@28895
|
792 |
goal_ctxt |>
|
ballarin@28951
|
793 |
Proof.theorem_i NONE after_qed (prep_propp propss) |>
|
ballarin@28895
|
794 |
Element.refine_witness |> Seq.hd
|
ballarin@28895
|
795 |
end;
|
ballarin@28895
|
796 |
|
ballarin@28895
|
797 |
in
|
ballarin@28895
|
798 |
|
haftmann@29360
|
799 |
fun sublocale_cmd x = gen_sublocale read_goal_expression Locale.intern x;
|
ballarin@28902
|
800 |
fun sublocale x = gen_sublocale cert_goal_expression (K I) x;
|
ballarin@28895
|
801 |
|
ballarin@28795
|
802 |
end;
|
ballarin@28895
|
803 |
|
ballarin@29018
|
804 |
|
ballarin@28993
|
805 |
(** Interpretation in theories **)
|
ballarin@28993
|
806 |
|
ballarin@28993
|
807 |
local
|
ballarin@28993
|
808 |
|
ballarin@29211
|
809 |
datatype goal = Reg of string * Morphism.morphism | Eqns of Attrib.binding list;
|
ballarin@29211
|
810 |
|
ballarin@29211
|
811 |
fun gen_interpretation prep_expr parse_prop prep_attr
|
ballarin@29210
|
812 |
expression equations thy =
|
ballarin@28993
|
813 |
let
|
ballarin@28993
|
814 |
val ctxt = ProofContext.init thy;
|
ballarin@28993
|
815 |
|
ballarin@29211
|
816 |
val ((propss, regs, export), expr_ctxt) = prep_expr expression ctxt;
|
ballarin@29211
|
817 |
|
ballarin@29211
|
818 |
val eqns = map (parse_prop expr_ctxt o snd) equations |> Syntax.check_terms expr_ctxt;
|
ballarin@29211
|
819 |
val eq_attns = map ((apsnd o map) (prep_attr thy) o fst) equations;
|
ballarin@29211
|
820 |
val goal_ctxt = fold Variable.auto_fixes eqns expr_ctxt;
|
ballarin@29211
|
821 |
val export' = Variable.export_morphism goal_ctxt expr_ctxt;
|
ballarin@29210
|
822 |
|
ballarin@29211
|
823 |
fun store (Reg (name, morph), thms) (regs, thy) =
|
ballarin@29211
|
824 |
let
|
ballarin@29211
|
825 |
val thms' = map (Element.morph_witness export') thms;
|
ballarin@29211
|
826 |
val morph' = morph $> Element.satisfy_morphism thms';
|
haftmann@29360
|
827 |
val add = Locale.add_global_registration (name, (morph', export));
|
ballarin@29211
|
828 |
in ((name, morph') :: regs, add thy) end
|
ballarin@29211
|
829 |
| store (Eqns [], []) (regs, thy) =
|
ballarin@29211
|
830 |
let val add = fold_rev (fn (name, morph) =>
|
haftmann@29360
|
831 |
Locale.activate_global_facts (name, morph $> export)) regs;
|
ballarin@29211
|
832 |
in (regs, add thy) end
|
ballarin@29211
|
833 |
| store (Eqns attns, thms) (regs, thy) =
|
ballarin@29211
|
834 |
let
|
ballarin@29211
|
835 |
val thms' = thms |> map (Element.conclude_witness #>
|
ballarin@29211
|
836 |
Morphism.thm (export' $> export) #>
|
ballarin@29211
|
837 |
LocalDefs.meta_rewrite_rule (ProofContext.init thy) #>
|
ballarin@29211
|
838 |
Drule.abs_def);
|
ballarin@29211
|
839 |
val eq_morph =
|
ballarin@29211
|
840 |
Morphism.term_morphism (MetaSimplifier.rewrite_term thy thms' []) $>
|
ballarin@29211
|
841 |
Morphism.thm_morphism (MetaSimplifier.rewrite_rule thms');
|
ballarin@29211
|
842 |
val attns' = map ((apsnd o map) (Attrib.attribute_i thy)) attns;
|
ballarin@29211
|
843 |
val add =
|
ballarin@29211
|
844 |
fold_rev (fn (name, morph) =>
|
haftmann@29360
|
845 |
Locale.amend_global_registration eq_morph (name, morph) #>
|
haftmann@29360
|
846 |
Locale.activate_global_facts (name, morph $> eq_morph $> export)) regs #>
|
ballarin@29211
|
847 |
PureThy.note_thmss Thm.lemmaK (attns' ~~ map (fn th => [([th], [])]) thms') #>
|
ballarin@29211
|
848 |
snd
|
ballarin@29211
|
849 |
in (regs, add thy) end;
|
ballarin@28993
|
850 |
|
ballarin@28993
|
851 |
fun after_qed results =
|
ballarin@29211
|
852 |
ProofContext.theory (fn thy =>
|
ballarin@29211
|
853 |
fold store (map Reg regs @ [Eqns eq_attns] ~~
|
ballarin@29211
|
854 |
prep_result (propss @ [eqns]) results) ([], thy) |> snd);
|
ballarin@28993
|
855 |
in
|
ballarin@28993
|
856 |
goal_ctxt |>
|
ballarin@29211
|
857 |
Proof.theorem_i NONE after_qed (prep_propp (propss @ [eqns])) |>
|
ballarin@28993
|
858 |
Element.refine_witness |> Seq.hd
|
ballarin@28993
|
859 |
end;
|
ballarin@28993
|
860 |
|
ballarin@28993
|
861 |
in
|
ballarin@28993
|
862 |
|
ballarin@29210
|
863 |
fun interpretation_cmd x = gen_interpretation read_goal_expression
|
ballarin@29211
|
864 |
Syntax.parse_prop Attrib.intern_src x;
|
ballarin@29211
|
865 |
fun interpretation x = gen_interpretation cert_goal_expression (K I) (K I) x;
|
ballarin@28895
|
866 |
|
ballarin@28895
|
867 |
end;
|
ballarin@28903
|
868 |
|
ballarin@29018
|
869 |
|
ballarin@29018
|
870 |
(** Interpretation in proof contexts **)
|
ballarin@29018
|
871 |
|
ballarin@29018
|
872 |
local
|
ballarin@29018
|
873 |
|
ballarin@29018
|
874 |
fun gen_interpret prep_expr
|
ballarin@29018
|
875 |
expression int state =
|
ballarin@29018
|
876 |
let
|
ballarin@29018
|
877 |
val _ = Proof.assert_forward_or_chain state;
|
ballarin@29018
|
878 |
val ctxt = Proof.context_of state;
|
ballarin@29018
|
879 |
|
ballarin@29018
|
880 |
val ((propss, regs, export), goal_ctxt) = prep_expr expression ctxt;
|
ballarin@29018
|
881 |
|
ballarin@29018
|
882 |
fun store_reg ((name, morph), thms) =
|
ballarin@29018
|
883 |
let
|
ballarin@29018
|
884 |
val morph' = morph $> Element.satisfy_morphism thms $> export;
|
ballarin@29018
|
885 |
in
|
haftmann@29360
|
886 |
Locale.activate_local_facts (name, morph')
|
ballarin@29018
|
887 |
end;
|
ballarin@29018
|
888 |
|
ballarin@29018
|
889 |
fun after_qed results =
|
ballarin@29018
|
890 |
Proof.map_context (fold store_reg (regs ~~ prep_result propss results)) #> Seq.single;
|
ballarin@29018
|
891 |
in
|
ballarin@29018
|
892 |
state |> Proof.map_context (K goal_ctxt) |>
|
ballarin@29018
|
893 |
Proof.local_goal (ProofDisplay.print_results int) (K I) ProofContext.bind_propp_i
|
ballarin@29018
|
894 |
"interpret" NONE after_qed (map (pair (Binding.empty, [])) (prep_propp propss)) |>
|
ballarin@29018
|
895 |
Element.refine_witness |> Seq.hd
|
ballarin@29018
|
896 |
end;
|
ballarin@29018
|
897 |
|
ballarin@29018
|
898 |
in
|
ballarin@29018
|
899 |
|
ballarin@29018
|
900 |
fun interpret_cmd x = gen_interpret read_goal_expression x;
|
ballarin@29018
|
901 |
fun interpret x = gen_interpret cert_goal_expression x;
|
ballarin@29018
|
902 |
|
ballarin@28993
|
903 |
end;
|
ballarin@28993
|
904 |
|
ballarin@29018
|
905 |
end;
|
ballarin@29018
|
906 |
|