author | wenzelm |
Mon, 01 Mar 2010 17:07:36 +0100 | |
changeset 35412 | b8dead547d9e |
parent 33387 | acea2f336721 |
child 35429 | afa8cf9e63d8 |
permissions | -rw-r--r-- |
18997 | 1 |
(* Title: Pure/Isar/local_syntax.ML |
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Author: Makarius |
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Local syntax depending on theory syntax. |
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*) |
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val show_structs = Unsynchronized.ref false; |
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signature LOCAL_SYNTAX = |
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sig |
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type T |
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val syn_of: T -> Syntax.syntax |
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val structs_of: T -> string list |
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val init: theory -> T |
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val rebuild: theory -> T -> T |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
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datatype kind = Type | Const | Fixed |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
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val add_syntax: theory -> (kind * (string * typ * mixfix)) list -> T -> T |
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val set_mode: Syntax.mode -> T -> T |
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val restore_mode: T -> T -> T |
24951
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
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val update_modesyntax: theory -> bool -> Syntax.mode -> |
35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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(kind * (string * typ * mixfix)) list -> T -> T |
19369
a4374b41c9bf
simplified handling of authentic syntax (cf. early externing in consts.ML);
wenzelm
parents:
19016
diff
changeset
|
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val extern_term: T -> term -> term |
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end; |
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structure Local_Syntax: LOCAL_SYNTAX = |
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struct |
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(* datatype T *) |
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type local_mixfix = |
35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
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(string * bool) * (*name, fixed?*) |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
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((bool * bool * Syntax.mode) * (string * typ * mixfix)); (*type?, add?, mode, declaration*) |
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datatype T = Syntax of |
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{thy_syntax: Syntax.syntax, |
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local_syntax: Syntax.syntax, |
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mode: Syntax.mode, |
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mixfixes: local_mixfix list, |
19369
a4374b41c9bf
simplified handling of authentic syntax (cf. early externing in consts.ML);
wenzelm
parents:
19016
diff
changeset
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idents: string list * string list}; |
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fun make_syntax (thy_syntax, local_syntax, mode, mixfixes, idents) = |
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Syntax {thy_syntax = thy_syntax, local_syntax = local_syntax, |
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mode = mode, mixfixes = mixfixes, idents = idents}; |
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fun map_syntax f (Syntax {thy_syntax, local_syntax, mode, mixfixes, idents}) = |
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make_syntax (f (thy_syntax, local_syntax, mode, mixfixes, idents)); |
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19369
a4374b41c9bf
simplified handling of authentic syntax (cf. early externing in consts.ML);
wenzelm
parents:
19016
diff
changeset
|
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fun is_consistent thy (Syntax {thy_syntax, ...}) = |
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Syntax.eq_syntax (Sign.syn_of thy, thy_syntax); |
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fun syn_of (Syntax {local_syntax, ...}) = local_syntax; |
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fun idents_of (Syntax {idents, ...}) = idents; |
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val structs_of = #1 o idents_of; |
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(* build syntax *) |
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fun build_syntax thy mode mixfixes (idents as (structs, _)) = |
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let |
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val thy_syntax = Sign.syn_of thy; |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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fun update_gram ((true, add, m), decls) = Syntax.update_type_gram add m decls |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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| update_gram ((false, add, m), decls) = |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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Syntax.update_const_gram add (Sign.is_logtype thy) m decls; |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
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val (atrs, trs, trs', atrs') = Syntax.struct_trfuns structs; |
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val local_syntax = thy_syntax |
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8bfa6566ac6b
syntax operations: turned extend'' into update'' (absorb duplicates);
wenzelm
parents:
25385
diff
changeset
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|> Syntax.update_trfuns |
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(map Syntax.mk_trfun atrs, map Syntax.mk_trfun trs, |
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map Syntax.mk_trfun trs', map Syntax.mk_trfun atrs') |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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|> fold update_gram (AList.coalesce (op =) (rev (map snd mixfixes))); |
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in make_syntax (thy_syntax, local_syntax, mode, mixfixes, idents) end; |
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fun init thy = build_syntax thy Syntax.mode_default [] ([], []); |
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fun rebuild thy (syntax as Syntax {mode, mixfixes, idents, ...}) = |
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if is_consistent thy syntax then syntax |
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else build_syntax thy mode mixfixes idents; |
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(* mixfix declarations *) |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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datatype kind = Type | Const | Fixed; |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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local |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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fun prep_mixfix _ _ (_, (_, _, Structure)) = NONE |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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| prep_mixfix add mode (Type, decl as (x, _, _)) = SOME ((x, false), ((true, add, mode), decl)) |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
88 |
| prep_mixfix add mode (Const, decl as (x, _, _)) = SOME ((x, false), ((false, add, mode), decl)) |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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| prep_mixfix add mode (Fixed, (x, T, mx)) = |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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SOME ((x, true), ((false, add, mode), (Syntax.mark_fixed x, T, mx))); |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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fun prep_struct (Fixed, (c, _, Structure)) = SOME c |
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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| prep_struct (_, (c, _, Structure)) = error ("Bad mixfix declaration for " ^ quote c) |
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| prep_struct _ = NONE; |
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in |
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||
24951
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
98 |
fun update_syntax add thy raw_decls |
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
99 |
(syntax as (Syntax {mode, mixfixes, idents = (structs, _), ...})) = |
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
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(case filter_out (fn (_, (_, _, mx)) => mx = NoSyn) raw_decls of |
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[] => syntax |
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| decls => |
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let |
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35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
104 |
val new_mixfixes = map_filter (prep_mixfix add mode) decls; |
24954
0664f10a4094
update_modesyntax: may delete 'structure' notation as well;
wenzelm
parents:
24951
diff
changeset
|
105 |
val new_structs = map_filter prep_struct decls; |
0664f10a4094
update_modesyntax: may delete 'structure' notation as well;
wenzelm
parents:
24951
diff
changeset
|
106 |
val mixfixes' = rev new_mixfixes @ mixfixes; |
0664f10a4094
update_modesyntax: may delete 'structure' notation as well;
wenzelm
parents:
24951
diff
changeset
|
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val structs' = |
0664f10a4094
update_modesyntax: may delete 'structure' notation as well;
wenzelm
parents:
24951
diff
changeset
|
108 |
if add then structs @ new_structs |
0664f10a4094
update_modesyntax: may delete 'structure' notation as well;
wenzelm
parents:
24951
diff
changeset
|
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else subtract (op =) new_structs structs; |
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val fixes' = fold (fn ((x, true), _) => cons x | _ => I) mixfixes' []; |
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in build_syntax thy mode mixfixes' (structs', fixes') end); |
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24951
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
113 |
val add_syntax = update_syntax true; |
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
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end; |
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(* syntax mode *) |
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fun set_mode mode = map_syntax (fn (thy_syntax, local_syntax, _, mixfixes, idents) => |
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(thy_syntax, local_syntax, mode, mixfixes, idents)); |
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fun restore_mode (Syntax {mode, ...}) = set_mode mode; |
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24951
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
125 |
fun update_modesyntax thy add mode args syntax = |
834b8c2b9553
replaced add_modesyntax by general update_modesyntax (add or del);
wenzelm
parents:
20785
diff
changeset
|
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syntax |> set_mode mode |> update_syntax add thy args |> restore_mode syntax; |
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(* extern_term *) |
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19369
a4374b41c9bf
simplified handling of authentic syntax (cf. early externing in consts.ML);
wenzelm
parents:
19016
diff
changeset
|
131 |
fun extern_term syntax = |
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let |
19369
a4374b41c9bf
simplified handling of authentic syntax (cf. early externing in consts.ML);
wenzelm
parents:
19016
diff
changeset
|
133 |
val (structs, fixes) = idents_of syntax; |
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fun map_free (t as Free (x, T)) = |
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let val i = find_index (fn s => s = x) structs + 1 in |
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if i = 0 andalso member (op =) fixes x then |
35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
wenzelm
parents:
33387
diff
changeset
|
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Term.Const (Syntax.mark_fixed x, T) |
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else if i = 1 andalso not (! show_structs) then |
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Syntax.const "_struct" $ Syntax.const "_indexdefault" |
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else t |
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end |
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| map_free t = t; |
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19369
a4374b41c9bf
simplified handling of authentic syntax (cf. early externing in consts.ML);
wenzelm
parents:
19016
diff
changeset
|
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in Term.map_aterms map_free end; |
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end; |