--- a/Nominal/Test.thy Thu Feb 25 07:57:17 2010 +0100
+++ b/Nominal/Test.thy Thu Feb 25 08:40:52 2010 +0100
@@ -1,238 +1,7 @@
theory Test
-imports "Nominal2_Atoms" "Nominal2_Eqvt" "Nominal2_Supp"
+imports "Parser"
begin
-atom_decl name
-
-
-section{* Interface for nominal_datatype *}
-
-text {*
-
-Nominal-Datatype-part:
-
-1st Arg: string list
- ^^^^^^^^^^^
- strings of the types to be defined
-
-2nd Arg: (string list * binding * mixfix * (binding * typ list * mixfix) list) list
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- type(s) to be defined constructors list
- (ty args, name, syn) (name, typs, syn)
-
-Binder-Function-part:
-
-3rd Arg: (binding * typ option * mixfix) list
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- binding function(s)
- to be defined
- (name, type, syn)
-
-4th Arg: term list
- ^^^^^^^^^
- the equations of the binding functions
- (Trueprop equations)
-*}
-
-text {*****************************************************}
-ML {*
-(* nominal datatype parser *)
-local
- structure P = OuterParse
-in
-
-val _ = OuterKeyword.keyword "bind"
-val anno_typ = Scan.option (P.name --| P.$$$ "::") -- P.typ
-
-(* binding specification *)
-(* should use and_list *)
-val bind_parser =
- P.enum "," ((P.$$$ "bind" |-- P.term) -- (P.$$$ "in" |-- P.name))
-
-val constr_parser =
- P.binding -- Scan.repeat anno_typ
-
-(* datatype parser *)
-val dt_parser =
- ((P.type_args -- P.binding -- P.opt_infix) >> P.triple1) --
- (P.$$$ "=" |-- P.enum1 "|" ((constr_parser -- bind_parser -- P.opt_mixfix) >> P.triple_swap))
-
-(* function equation parser *)
-val fun_parser =
- Scan.optional (P.$$$ "binder" |-- P.fixes -- SpecParse.where_alt_specs) ([],[])
-
-(* main parser *)
-val main_parser =
- (P.and_list1 dt_parser) -- fun_parser
-
-end
-*}
-
-(* adds "_raw" to the end of constants and types *)
-ML {*
-fun add_raw s = s ^ "_raw"
-fun add_raws ss = map add_raw ss
-fun raw_bind bn = Binding.suffix_name "_raw" bn
-
-fun replace_str ss s =
- case (AList.lookup (op=) ss s) of
- SOME s' => s'
- | NONE => s
-
-fun replace_typ ty_ss (Type (a, Ts)) = Type (replace_str ty_ss a, map (replace_typ ty_ss) Ts)
- | replace_typ ty_ss T = T
-
-fun raw_dts ty_ss dts =
-let
- val ty_ss' = ty_ss ~~ (add_raws ty_ss)
-
- fun raw_dts_aux1 (bind, tys, mx) =
- (raw_bind bind, map (replace_typ ty_ss') tys, mx)
-
- fun raw_dts_aux2 (ty_args, bind, mx, constrs) =
- (ty_args, raw_bind bind, mx, map raw_dts_aux1 constrs)
-in
- map raw_dts_aux2 dts
-end
-
-fun replace_aterm trm_ss (Const (a, T)) = Const (replace_str trm_ss a, T)
- | replace_aterm trm_ss (Free (a, T)) = Free (replace_str trm_ss a, T)
- | replace_aterm trm_ss trm = trm
-
-fun replace_term trm_ss ty_ss trm =
- trm |> Term.map_aterms (replace_aterm trm_ss) |> map_types (replace_typ ty_ss)
-*}
-
-ML {*
-fun get_constrs dts =
- flat (map (fn (_, _, _, constrs) => constrs) dts)
-
-fun get_typed_constrs dts =
- flat (map (fn (_, bn, _, constrs) =>
- (map (fn (bn', _, _) => (Binding.name_of bn, Binding.name_of bn')) constrs)) dts)
-
-fun get_constr_strs dts =
- map (fn (bn, _, _) => Binding.name_of bn) (get_constrs dts)
-
-fun get_bn_fun_strs bn_funs =
- map (fn (bn_fun, _, _) => Binding.name_of bn_fun) bn_funs
-*}
-
-ML {*
-fun raw_dts_decl dt_names dts lthy =
-let
- val thy = ProofContext.theory_of lthy
- val conf = Datatype.default_config
-
- val dt_names' = add_raws dt_names
- val dt_full_names = map (Sign.full_bname thy) dt_names
- val dts' = raw_dts dt_full_names dts
-in
- lthy
- |> Local_Theory.theory_result (Datatype.add_datatype conf dt_names' dts')
-end
-*}
-
-ML {*
-fun raw_bn_fun_decl dt_names dts bn_funs bn_eqs lthy =
-let
- val thy = ProofContext.theory_of lthy
-
- val dt_names' = add_raws dt_names
- val dt_full_names = map (Sign.full_bname thy) dt_names
- val dt_full_names' = map (Sign.full_bname thy) dt_names'
-
- val ctrs_names = map (Sign.full_bname thy) (get_constr_strs dts)
- val ctrs_names' = map (fn (x, y) => (Sign.full_bname_path thy (add_raw x) (add_raw y)))
- (get_typed_constrs dts)
-
- val bn_fun_strs = get_bn_fun_strs bn_funs
- val bn_fun_strs' = add_raws bn_fun_strs
-
- val bn_funs' = map (fn (bn, opt_ty, mx) =>
- (raw_bind bn, Option.map (replace_typ (dt_full_names ~~ dt_full_names')) opt_ty, mx)) bn_funs
-
- val bn_eqs' = map (fn trm =>
- (Attrib.empty_binding,
- (replace_term ((ctrs_names ~~ ctrs_names') @ (bn_fun_strs ~~ bn_fun_strs')) (dt_full_names ~~ dt_full_names') trm))) bn_eqs
-in
- if null bn_eqs
- then (([], []), lthy)
- else Primrec.add_primrec bn_funs' bn_eqs' lthy
-end
-*}
-
-ML {*
-fun nominal_datatype2 dts bn_funs bn_eqs lthy =
-let
- val dts_names = map (fn (_, s, _, _) => Binding.name_of s) dts
-in
- lthy
- |> raw_dts_decl dts_names dts
- ||>> raw_bn_fun_decl dts_names dts bn_funs bn_eqs
-end
-*}
-
-ML {*
-(* makes a full named type out of a binding with tvars applied to it *)
-fun mk_type thy bind tvrs =
- Type (Sign.full_name thy bind, map (fn s => TVar ((s, 0), [])) tvrs)
-
-fun get_constrs2 thy dts =
-let
- val dts' = map (fn (tvrs, tname, _, constrs) => (mk_type thy tname tvrs, constrs)) dts
-in
- flat (map (fn (ty, constrs) => map (fn (bn, tys, mx) => (bn, tys ---> ty, mx)) constrs) dts')
-end
-*}
-
-ML {*
-fun nominal_datatype2_cmd (dt_strs, (bn_fun_strs, bn_eq_strs)) lthy =
-let
- val thy = ProofContext.theory_of lthy
-
- fun prep_typ ((tvs, tname, mx), _) = (tname, length tvs, mx);
-
- (* adding the types for parsing datatypes *)
- val lthy_tmp = lthy
- |> Local_Theory.theory (Sign.add_types (map prep_typ dt_strs))
-
- fun prep_cnstr lthy (((cname, atys), mx), binders) =
- (cname, map (Syntax.read_typ lthy o snd) atys, mx)
-
- fun prep_dt lthy ((tvs, tname, mx), cnstrs) =
- (tvs, tname, mx, map (prep_cnstr lthy) cnstrs)
-
- (* parsing the datatypes *)
- val dts_prep = map (prep_dt lthy_tmp) dt_strs
-
- (* adding constructors for parsing functions *)
- val lthy_tmp2 = lthy_tmp
- |> Local_Theory.theory (Sign.add_consts_i (get_constrs2 thy dts_prep))
-
- val (bn_fun_aux, bn_eq_aux) = fst (Specification.read_spec bn_fun_strs bn_eq_strs lthy_tmp2)
-
- fun prep_bn_fun ((bn, T), mx) = (bn, SOME T, mx)
-
- fun prep_bn_eq (attr, t) = t
-
- val bn_fun_prep = map prep_bn_fun bn_fun_aux
- val bn_eq_prep = map prep_bn_eq bn_eq_aux
-in
- nominal_datatype2 dts_prep bn_fun_prep bn_eq_prep lthy |> snd
-end
-*}
-
-(* Command Keyword *)
-ML {*
-let
- val kind = OuterKeyword.thy_decl
-in
- OuterSyntax.local_theory "nominal_datatype" "test" kind
- (main_parser >> nominal_datatype2_cmd)
-end
-*}
-
text {* example 1 *}
nominal_datatype lam =
@@ -253,7 +22,8 @@
print_theorems
-text {* examples 2 *}
+text {* example 2 *}
+
nominal_datatype trm =
Var "name"
| App "trm" "trm"