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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(* If [restore] is false, whenever [f] modifies the ref, we will
preserve the modification. *)
let with_modified_ref ?(restore=true) r nf f x =
let old_ref = !r in r := nf !r;
try
let pre = !r in
let res = f x in
(* If r was modified don't restore its old value *)
if restore || pre == !r then r := old_ref;
res
with reraise ->
let reraise = Exninfo.capture reraise in
r := old_ref;
Exninfo.iraise reraise
let with_option o f x = with_modified_ref ~restore:false o (fun _ -> true) f x
let without_option o f x = with_modified_ref ~restore:false o (fun _ -> false) f x
let with_extra_values o l f x = with_modified_ref o (fun ol -> ol@l) f x
(* hide the [restore] option as internal *)
let with_modified_ref r nf f x = with_modified_ref r nf f x
let with_options ol f x =
let vl = List.map (!) ol in
let () = List.iter (fun r -> r := true) ol in
try
let r = f x in
let () = List.iter2 (:=) ol vl in r
with reraise ->
let reraise = Exninfo.capture reraise in
let () = List.iter2 (:=) ol vl in
Exninfo.iraise reraise
let async_proofs_worker_id = ref "master"
let async_proofs_is_worker () = !async_proofs_worker_id <> "master"
let load_vos_libraries = ref false
let xml_debug = ref false
let in_debugger = ref false
let in_ml_toplevel = ref false
let raw_print = ref false
let in_synterp_phase = ref false
(* Translate *)
let beautify = ref false
let beautify_file = ref false
let record_comments = ref false
(* Silent / Verbose *)
let quiet = ref false
let silently f x = with_option quiet f x
let verbosely f x = without_option quiet f x
let if_silent f x = if !quiet then f x
let if_verbose f x = if not !quiet then f x
let warn = ref true
let make_warn flag = warn := flag; ()
let if_warn f x = if !warn then f x
(* Level of inlining during a functor application *)
let default_inline_level = 100
let inline_level = ref default_inline_level
let set_inline_level = (:=) inline_level
let get_inline_level () = !inline_level
let profile_ltac = ref false
let profile_ltac_cutoff = ref 2.0
(* Default output directory *)
let output_directory = ref None
|
