--- a/src/Pure/Isar/local_theory.ML Fri Dec 18 10:37:26 2020 +0000
+++ b/src/Pure/Isar/local_theory.ML Sat Dec 19 09:33:11 2020 +0000
@@ -24,7 +24,6 @@
type operations
val assert: local_theory -> local_theory
val level: Proof.context -> int
- val revoke_reinitializability: local_theory -> local_theory
val map_contexts: (int -> Proof.context -> Proof.context) -> local_theory -> local_theory
val background_naming_of: local_theory -> Name_Space.naming
val map_background_naming: (Name_Space.naming -> Name_Space.naming) ->
@@ -69,7 +68,6 @@
conclude: local_theory -> Proof.context} -> operations -> theory -> local_theory
val exit: local_theory -> Proof.context
val exit_global: local_theory -> theory
- val exit_global_reinitializable: local_theory -> theory
val exit_result: (morphism -> 'a -> 'b) -> 'a * local_theory -> 'b * Proof.context
val exit_result_global: (morphism -> 'a -> 'b) -> 'a * local_theory -> 'b * theory
val begin_nested: local_theory -> Binding.scope * local_theory
@@ -105,12 +103,11 @@
{background_naming: Name_Space.naming,
operations: operations,
conclude: Proof.context -> Proof.context,
- reinitializable: bool,
target: Proof.context};
-fun make_lthy (background_naming, operations, conclude, reinitializable, target) : lthy =
+fun make_lthy (background_naming, operations, conclude, target) : lthy =
{background_naming = background_naming, operations = operations,
- conclude = conclude, reinitializable = reinitializable, target = target};
+ conclude = conclude, target = target};
(* context data *)
@@ -150,16 +147,16 @@
fun map_top f =
assert #>
- Data.map (fn {background_naming, operations, conclude, reinitializable, target} :: parents =>
- make_lthy (f (background_naming, operations, conclude, reinitializable, target)) :: parents);
+ Data.map (fn {background_naming, operations, conclude, target} :: parents =>
+ make_lthy (f (background_naming, operations, conclude, target)) :: parents);
fun reset lthy = #target (top_of lthy) |> Data.put (Data.get lthy);
fun map_contexts f lthy =
let val n = level lthy in
lthy |> (Data.map o map_index)
- (fn (i, {background_naming, operations, conclude, reinitializable, target}) =>
- make_lthy (background_naming, operations, conclude, reinitializable,
+ (fn (i, {background_naming, operations, conclude, target}) =>
+ make_lthy (background_naming, operations, conclude,
target
|> Context_Position.set_visible false
|> f (n - i - 1)
@@ -168,26 +165,13 @@
end;
-(* reinitializable context -- implicit for nested structures *)
-
-fun revoke_reinitializability lthy =
- if level lthy = 1 then
- map_top (fn (background_naming, operations, conclude, _, target) =>
- (background_naming, operations, conclude, false, target)) lthy
- else lthy;
-
-fun assert_reinitializable lthy =
- if #reinitializable (top_of lthy) then lthy
- else error "Non-reinitializable local theory context";
-
-
(* naming for background theory *)
val background_naming_of = #background_naming o top_of;
fun map_background_naming f =
- map_top (fn (background_naming, operations, conclude, reinitializable, target) =>
- (f background_naming, operations, conclude, reinitializable, target));
+ map_top (fn (background_naming, operations, conclude, target) =>
+ (f background_naming, operations, conclude, target));
val restore_background_naming = map_background_naming o K o background_naming_of;
@@ -353,8 +337,7 @@
(* main target *)
fun init_target background_naming conclude operations target =
- Data.map (K [make_lthy
- (background_naming, operations, conclude, true, target)]) target
+ Data.map (K [make_lthy (background_naming, operations, conclude, target)]) target
fun init {background_naming, setup, conclude} operations thy =
thy
@@ -366,7 +349,6 @@
fun exit lthy = exit_of lthy (assert_bottom lthy);
val exit_global = Proof_Context.theory_of o exit;
-val exit_global_reinitializable = exit_global o assert_reinitializable;
fun exit_result decl (x, lthy) =
let
@@ -389,7 +371,7 @@
val _ = assert lthy;
val (scope, target) = Proof_Context.new_scope lthy;
val entry = make_lthy (background_naming_of lthy, operations_of lthy,
- Proof_Context.restore_naming lthy, true, target);
+ Proof_Context.restore_naming lthy, target);
val lthy' = Data.map (cons entry) target;
in (scope, lthy') end;