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-rw-r--r--library/goptions.ml154
1 files changed, 85 insertions, 69 deletions
diff --git a/library/goptions.ml b/library/goptions.ml
index 8625ee52..e6933287 100644
--- a/library/goptions.ml
+++ b/library/goptions.ml
@@ -6,7 +6,7 @@
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
-(* $Id: goptions.ml 13196 2010-06-25 18:01:50Z herbelin $ *)
+(* $Id$ *)
(* This module manages customization parameters at the vernacular level *)
@@ -22,15 +22,9 @@ open Mod_subst
(****************************************************************************)
(* 0- Common things *)
-type option_name =
- | PrimaryTable of string
- | SecondaryTable of string * string
- | TertiaryTable of string * string * string
+type option_name = string list
-let nickname = function
- | PrimaryTable s -> s
- | SecondaryTable (s1,s2) -> s1^" "^s2
- | TertiaryTable (s1,s2,s3) -> s1^" "^s2^" "^s3
+let nickname table = String.concat " " table
let error_undeclared_key key =
error ((nickname key)^": no table or option of this type")
@@ -75,14 +69,13 @@ module MakeTable =
let _ =
if List.mem_assoc nick !A.table then
- error "Sorry, this table name is already used"
+ error "Sorry, this table name is already used."
- module MyType = struct type t = A.t let compare = Pervasives.compare end
- module MySet = Set.Make(MyType)
+ module MySet = Set.Make (struct type t = A.t let compare = compare end)
let t = ref (MySet.empty : MySet.t)
- let _ =
+ let _ =
if A.synchronous then
let freeze () = !t in
let unfreeze c = t := c in
@@ -90,9 +83,7 @@ module MakeTable =
Summary.declare_summary nick
{ Summary.freeze_function = freeze;
Summary.unfreeze_function = unfreeze;
- Summary.init_function = init;
- Summary.survive_module = false;
- Summary.survive_section = true }
+ Summary.init_function = init }
let (add_option,remove_option) =
if A.synchronous then
@@ -100,20 +91,18 @@ module MakeTable =
| GOadd -> t := MySet.add p !t
| GOrmv -> t := MySet.remove p !t in
let load_options i o = if i=1 then cache_options o in
- let subst_options (_,subst,(f,p as obj)) =
+ let subst_options (subst,(f,p as obj)) =
let p' = A.subst subst p in
if p' == p then obj else
(f,p')
in
- let export_options fp = Some fp in
let (inGo,outGo) =
Libobject.declare_object {(Libobject.default_object nick) with
Libobject.load_function = load_options;
Libobject.open_function = load_options;
Libobject.cache_function = cache_options;
Libobject.subst_function = subst_options;
- Libobject.classify_function = (fun (_,x) -> Substitute x);
- Libobject.export_function = export_options}
+ Libobject.classify_function = (fun x -> Substitute x)}
in
((fun c -> Lib.add_anonymous_leaf (inGo (GOadd, c))),
(fun c -> Lib.add_anonymous_leaf (inGo (GOrmv, c))))
@@ -122,8 +111,8 @@ module MakeTable =
(fun c -> t := MySet.remove c !t))
let print_table table_name printer table =
- msg (str table_name ++
- (hov 0
+ msg (str table_name ++
+ (hov 0
(if MySet.is_empty table then str "None" ++ fnl ()
else MySet.fold
(fun a b -> printer a ++ spc () ++ b)
@@ -133,11 +122,11 @@ module MakeTable =
object
method add x = add_option (A.encode x)
method remove x = remove_option (A.encode x)
- method mem x =
+ method mem x =
let y = A.encode x in
let answer = MySet.mem y !t in
msg (A.member_message y answer ++ fnl ())
- method print = print_table A.title A.printer !t
+ method print = print_table A.title A.printer !t
end
let _ = A.table := (nick,new table_of_A ())::!A.table
@@ -190,7 +179,7 @@ sig
val synchronous : bool
end
-module RefConvert = functor (A : RefConvertArg) ->
+module RefConvert = functor (A : RefConvertArg) ->
struct
type t = A.t
type key = reference
@@ -217,10 +206,10 @@ type 'a option_sig = {
optread : unit -> 'a;
optwrite : 'a -> unit }
-type option_type = bool * (unit -> value) -> (value -> unit)
+type option_type = bool * (unit -> value) -> (value -> unit)
-module Key = struct type t = option_name let compare = Pervasives.compare end
-module OptionMap = Map.Make(Key)
+module OptionMap =
+ Map.Make (struct type t = option_name let compare = compare end)
let value_tab = ref OptionMap.empty
@@ -228,47 +217,65 @@ let value_tab = ref OptionMap.empty
let get_option key = OptionMap.find key !value_tab
-let check_key key = try
+let check_key key = try
let _ = get_option key in
- error "Sorry, this option name is already used"
+ error "Sorry, this option name is already used."
with Not_found ->
if List.mem_assoc (nickname key) !string_table
or List.mem_assoc (nickname key) !ref_table
- then error "Sorry, this option name is already used"
+ then error "Sorry, this option name is already used."
open Summary
open Libobject
open Lib
-let declare_option cast uncast
+let declare_option cast uncast
{ optsync=sync; optname=name; optkey=key; optread=read; optwrite=write } =
check_key key;
let default = read() in
- let write = if sync then
- let (decl_obj,_) =
- declare_object {(default_object (nickname key)) with
+ (* spiwack: I use two spaces in the nicknames of "local" and "global" objects.
+ That way I shouldn't collide with [nickname key] for any [key]. As [key]-s are
+ lists of strings *without* spaces. *)
+ let (write,lwrite,gwrite) = if sync then
+ let (ldecl_obj,_) = (* "Local": doesn't survive section or modules. *)
+ declare_object {(default_object ("L "^nickname key)) with
cache_function = (fun (_,v) -> write v);
classify_function = (fun _ -> Dispose)}
- in
- let _ = declare_summary (nickname key)
- {freeze_function = read;
+ in
+ let (decl_obj,_) = (* default locality: survives sections but not modules. *)
+ declare_object {(default_object (nickname key)) with
+ cache_function = (fun (_,v) -> write v);
+ classify_function = (fun _ -> Dispose);
+ discharge_function = (fun (_,v) -> Some v)}
+ in
+ let (gdecl_obj,_) = (* "Global": survives section and modules. *)
+ declare_object {(default_object ("G "^nickname key)) with
+ cache_function = (fun (_,v) -> write v);
+ classify_function = (fun v -> Keep v);
+ discharge_function = (fun (_,v) -> Some v);
+ load_function = (fun _ (_,v) -> write v)}
+ in
+ let _ = declare_summary (nickname key)
+ { freeze_function = read;
unfreeze_function = write;
- init_function = (fun () -> write default);
- survive_module = false;
- survive_section = false}
- in
- fun v -> add_anonymous_leaf (decl_obj v)
- else write
- in
+ init_function = (fun () -> write default) }
+ in
+ begin fun v -> add_anonymous_leaf (decl_obj v) end ,
+ begin fun v -> add_anonymous_leaf (ldecl_obj v) end ,
+ begin fun v -> add_anonymous_leaf (gdecl_obj v) end
+ else write,write,write
+ in
let cread () = cast (read ()) in
- let cwrite v = write (uncast v) in
- value_tab := OptionMap.add key (name,(sync,cread,cwrite)) !value_tab;
+ let cwrite v = write (uncast v) in
+ let clwrite v = lwrite (uncast v) in
+ let cgwrite v = gwrite (uncast v) in
+ value_tab := OptionMap.add key (name,(sync,cread,cwrite,clwrite,cgwrite)) !value_tab;
write
type 'a write_function = 'a -> unit
let declare_int_option =
- declare_option
+ declare_option
(fun v -> IntValue v)
(function IntValue v -> v | _ -> anomaly "async_option")
let declare_bool_option =
@@ -284,29 +291,38 @@ let declare_string_option =
(* Setting values of options *)
-let set_option_value check_and_cast key v =
- let (name,(_,read,write)) =
+let set_option_value locality check_and_cast key v =
+ let (name,(_,read,write,lwrite,gwrite)) =
try get_option key
with Not_found -> error ("There is no option "^(nickname key)^".")
in
+ let write = match locality with
+ | None -> write
+ | Some true -> lwrite
+ | Some false -> gwrite
+ in
write (check_and_cast v (read ()))
-let bad_type_error () = error "Bad type of value for this option"
+let bad_type_error () = error "Bad type of value for this option."
-let set_int_option_value = set_option_value
- (fun v -> function
+let set_int_option_value_gen locality = set_option_value locality
+ (fun v -> function
| (IntValue _) -> IntValue v
| _ -> bad_type_error ())
-let set_bool_option_value key v =
- try set_option_value (fun v -> function
+let set_bool_option_value_gen locality key v =
+ try set_option_value locality (fun v -> function
| (BoolValue _) -> BoolValue v
| _ -> bad_type_error ()) key v
with UserError (_,s) -> Flags.if_verbose msg_warning s
-let set_string_option_value = set_option_value
- (fun v -> function
+let set_string_option_value_gen locality = set_option_value locality
+ (fun v -> function
| (StringValue _) -> StringValue v
| _ -> bad_type_error ())
+let set_int_option_value = set_int_option_value_gen None
+let set_bool_option_value = set_bool_option_value_gen None
+let set_string_option_value = set_string_option_value_gen None
+
(* Printing options/tables *)
let msg_option_value (name,v) =
@@ -319,11 +335,11 @@ let msg_option_value (name,v) =
| IdentValue r -> pr_global_env Idset.empty r
let print_option_value key =
- let (name,(_,read,_)) = get_option key in
- let s = read () in
+ let (name,(_,read,_,_,_)) = get_option key in
+ let s = read () in
match s with
- | BoolValue b ->
- msg (str ("The "^name^" mode is "^(if b then "on" else "off")) ++
+ | BoolValue b ->
+ msg (str ("The "^name^" mode is "^(if b then "on" else "off")) ++
fnl ())
| _ ->
msg (str ("Current value of "^name^" is ") ++
@@ -333,20 +349,20 @@ let print_option_value key =
let print_tables () =
msg
(str "Synchronous options:" ++ fnl () ++
- OptionMap.fold
- (fun key (name,(sync,read,write)) p ->
- if sync then
+ OptionMap.fold
+ (fun key (name,(sync,read,_,_,_)) p ->
+ if sync then
p ++ str (" "^(nickname key)^": ") ++
msg_option_value (name,read()) ++ fnl ()
- else
+ else
p)
!value_tab (mt ()) ++
str "Asynchronous options:" ++ fnl () ++
- OptionMap.fold
- (fun key (name,(sync,read,write)) p ->
- if sync then
+ OptionMap.fold
+ (fun key (name,(sync,read,_,_,_)) p ->
+ if sync then
p
- else
+ else
p ++ str (" "^(nickname key)^": ") ++
msg_option_value (name,read()) ++ fnl ())
!value_tab (mt ()) ++