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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
type t = { (* TODO: inline records in OCaml 4.03 *)
system : States.state; (* summary + libstack *)
proof : Proof_global.state; (* proof state *)
shallow : bool (* is the state trimmed down (libstack) *)
}
let s_cache = ref (States.freeze ~marshallable:`No)
let s_proof = ref (Proof_global.freeze ~marshallable:`No)
let invalidate_cache () =
s_cache := Obj.magic 0;
s_proof := Obj.magic 0
let freeze_interp_state marshallable =
{ system = (s_cache := States.freeze ~marshallable; !s_cache);
proof = (s_proof := Proof_global.freeze ~marshallable; !s_proof);
shallow = marshallable = `Shallow }
let unfreeze_interp_state { system; proof } =
if (!s_cache != system) then (s_cache := system; States.unfreeze system);
if (!s_proof != proof) then (s_proof := proof; Proof_global.unfreeze proof)
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