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qmlAnnotMap.ml
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qmlAnnotMap.ml
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(*
Copyright © 2011 MLstate
This file is part of Opa.
Opa is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
Opa is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.
You should have received a copy of the GNU Affero General Public License
along with Opa. If not, see <http://www.gnu.org/licenses/>.
*)
let (!!) = Annot.annot
type trace = Annot.t AnnotMap.t
exception AnnotNotFound of string * Annot.t
exception ConflictingAnnotations of Annot.t
(* For the semantics, have a look at the .mli. *)
type 'a typed_annot =
{
a_ty : 'a option ;
(* TODO: rename a_tsc to a_tsc_gen and perhaps change it's type
to [TypeVar.t list] and rename even more *)
a_tsc : ('a, unit) QmlGenericScheme.tsc option ;
a_tsc_inst : ('a, unit) QmlGenericScheme.tsc option ;
}
type 'a gen_annotmap = ('a typed_annot) AnnotMap.t
(* registering exception printers *)
let () = Printexc.register_printer
(function
| AnnotNotFound (s,annot) -> Some (Printf.sprintf "QmlAnnotMap.AnnotNotFound (%S,%s)" s (Annot.to_string annot))
| ConflictingAnnotations annot -> Some (Printf.sprintf "QmlAnnotMap.ConflictingAnnotations %s" (Annot.to_string annot))
| _ -> None
)
let default_annot = {
a_ty = None ;
a_tsc = None ;
a_tsc_inst = None ;
}
let empty = AnnotMap.empty
let is_empty am = AnnotMap.is_empty am
let size am = AnnotMap.size am
let rec lift f f_tsc annot = {
a_ty = Option.map f annot.a_ty ;
a_tsc = Option.map f_tsc annot.a_tsc ;
a_tsc_inst = Option.map f_tsc annot.a_tsc_inst ;
}
and map f f_tsc annotmap =
AnnotMap.map (lift f f_tsc) annotmap
let map_ty_tsc ~ty:f ~tsc:f_tsc annotmap =
map f f_tsc annotmap
let map f annotmap =
map_ty_tsc ~ty:f ~tsc:(QmlGenericScheme.map_body_unsafe f) annotmap
let annot_merge conflict_t conflict_s i annot1 annot2 =
let { a_ty = t1 ; a_tsc = tsc1 ; a_tsc_inst = tsc_inst1 } = annot1
and { a_ty = t2 ; a_tsc = tsc2 ; a_tsc_inst = tsc_inst2 } = annot2 in
{
a_ty = Option.merge (conflict_t i) t1 t2 ;
a_tsc = Option.merge (conflict_s i) tsc1 tsc2 ;
a_tsc_inst = Option.merge (conflict_s i) tsc_inst1 tsc_inst2 ;
}
let merge_i f annotmap1 annotmap2 =
AnnotMap.merge_i f annotmap1 annotmap2
let merge ?(no_conflict_if_equal=false) annotmap1 annotmap2 =
let f i x y =
if no_conflict_if_equal && (x = y) then y
else raise (ConflictingAnnotations i)
in
merge_i (annot_merge f f) annotmap1 annotmap2
let overwrite annotmap1 annotmap2 =
let f _ _ y = y in
merge_i (annot_merge f f) annotmap1 annotmap2
let unsafe_overwrite annotmap1 annotmap2 =
let f _ _ y = y in
merge_i f annotmap1 annotmap2
let find_opt i annotmap = AnnotMap.find_opt i annotmap
let find_opt_label label = find_opt (!! label)
let find i annotmap = Option.get_exn (AnnotNotFound ("annot", i)) (find_opt i annotmap)
let find_label label = find (!! label)
let add i annot annotmap = AnnotMap.add i annot annotmap
let add_label label = add (!! label)
let remove i annotmap = AnnotMap.remove i annotmap
let find_opt_factory _name accessor i annotmap =
Option.join (Option.map accessor (find_opt i annotmap))
let find_factory name accessor i annotmap =
Option.get_exn (AnnotNotFound (name, i)) (accessor (find i annotmap))
let add_factory _name builder i t annotmap =
match find_opt i annotmap with
| None -> add i (builder default_annot t) annotmap
| Some annot -> add i (builder annot t) annotmap
let find_ty_opt i annotmap =
find_opt_factory "ty"
(fun x -> x.a_ty)
i annotmap
let find_ty_opt_label label = find_ty_opt (!! label)
let find_ty i annotmap =
find_factory "ty"
(fun x -> x.a_ty)
i annotmap
let find_ty_label label = find_ty (!! label)
let add_ty i t annotmap =
add_factory "ty"
(fun annot t -> { annot with a_ty = Some t })
i t annotmap
let add_ty_label label = add_ty (!! label)
let find_tsc_opt i annotmap =
find_opt_factory "tsc"
(fun x -> x.a_tsc)
i annotmap
let find_tsc_opt_label label = find_tsc_opt (!! label)
let find_tsc i annotmap =
find_factory "tsc"
(fun x -> x.a_tsc)
i annotmap
let find_tsc_label label = find_tsc (!! label)
let add_tsc i t annotmap =
add_factory "tsc"
(fun annot t -> { annot with a_tsc = Some t } )
i t annotmap
let add_tsc_label label = add_tsc (!! label)
let add_tsc_opt i t annotmap =
Option.default annotmap (Option.map (fun t -> add_tsc i t annotmap) t)
let add_tsc_opt_label label = add_tsc_opt (!! label)
let find_tsc_inst_opt i annotmap =
find_opt_factory "tsc_inst"
(fun x -> x.a_tsc_inst)
i annotmap
let find_tsc_inst_opt_label label = find_tsc_inst_opt (!! label)
let find_tsc_inst i annotmap =
find_factory "tsc_inst"
(fun x -> x.a_tsc_inst)
i annotmap
let find_tsc_inst_label label = find_tsc_inst (!! label)
let add_tsc_inst i t annotmap =
add_factory "tsc_inst"
(fun annot t -> { annot with a_tsc_inst = Some t })
i t annotmap
let add_tsc_inst_label label = add_tsc_inst (!! label)
let add_tsc_inst_opt i t annotmap =
Option.default annotmap (Option.map (fun t -> add_tsc_inst i t annotmap) t)
let add_tsc_inst_opt_label label = add_tsc_inst_opt (!! label)
let remove_tsc i annotmap =
match find_opt i annotmap with
| None -> annotmap
| Some annot -> add i { annot with a_tsc = None } annotmap
let remove_tsc_label label = remove_tsc (!! label)
let remove_tsc_inst i annotmap =
match find_opt i annotmap with
| None -> annotmap
| Some annot -> add i { annot with a_tsc_inst = None } annotmap
let remove_tsc_inst_label label = remove_tsc_inst (!! label)
let iteri ~f_for_key ~f_for_ty ~f_for_tsc ~f_for_tsc_inst
annotmap =
AnnotMap.iter
(fun key bound_value ->
f_for_key key ;
f_for_ty bound_value.a_ty ;
f_for_tsc bound_value.a_tsc ;
f_for_tsc_inst bound_value.a_tsc_inst)
annotmap
module Ref = struct
module type REF = sig type ty val _global : (ty gen_annotmap) ref end
module type ANNOTMAPREF =
sig
type ty
val clear : unit -> unit
val import : ty gen_annotmap -> unit
val merge : ty gen_annotmap -> unit
val overwrite : ty gen_annotmap -> unit
val export : unit -> ty gen_annotmap
val get_opt : Annot.t -> (ty typed_annot) option
val get : Annot.t -> ty typed_annot
val set : Annot.t -> ty typed_annot -> unit
(* specific functions: please add more if useful *)
val set_ty : Annot.t -> ty -> unit
val get_ty : Annot.t -> ty
val get_ty_opt : Annot.t -> ty option
val get_tsc_opt : Annot.t -> (ty, unit) QmlGenericScheme.tsc option
(* we don't provide Ref interface for everything -- please add if you need *)
end
module Make (Ref: REF) : (ANNOTMAPREF with type ty = Ref.ty) =
struct
type ty = Ref.ty
let clear () = Ref._global := empty
let import annotmap = Ref._global := annotmap
let merge annotmap = Ref._global := merge !Ref._global annotmap
let overwrite annotmap = Ref._global := overwrite !Ref._global annotmap
let export () = !Ref._global
let get_opt i = find_opt i !Ref._global
let get i = find i !Ref._global
let set i annot = Ref._global := add i annot !Ref._global
let set_ty i t = Ref._global := add_ty i t !Ref._global
let get_ty i = find_ty i !Ref._global
let get_ty_opt i = find_ty_opt i !Ref._global
let get_tsc_opt i = find_tsc_opt i !Ref._global
end
end (* module Ref *)