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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id$ i*)
open Util
let with_option o f x =
let old = !o in o:=true;
try let r = f x in o := old; r
with e -> o := old; raise e
let boot = ref false
let batch_mode = ref false
let debug = ref false
let print_emacs = ref false
let print_emacs_safechar = ref false
let term_quality = ref false
let xml_export = ref false
let dont_load_proofs = ref false
let raw_print = ref false
let unicode_syntax = ref false
(* Translate *)
let translate = ref false
let make_translate f = translate := f
let do_translate () = !translate
let translate_file = ref false
(* True only when interning from pp*new.ml *)
let translate_syntax = ref false
(* Silent / Verbose *)
let silent = ref false
let make_silent flag = silent := flag; ()
let is_silent () = !silent
let is_verbose () = not !silent
let silently f x =
let oldsilent = !silent in
try
silent := true;
let rslt = f x in
silent := oldsilent;
rslt
with e -> begin
silent := oldsilent; raise e
end
let if_silent f x = if !silent then f x
let if_verbose f x = if not !silent then f x
let hash_cons_proofs = ref true
let warn = ref true
let make_warn flag = warn := flag; ()
let if_warn f x = if !warn then f x
(* The number of printed hypothesis in a goal *)
let print_hyps_limit = ref (None : int option)
let set_print_hyps_limit n = print_hyps_limit := n
let print_hyps_limit () = !print_hyps_limit
(* A list of the areas of the system where "unsafe" operation
* has been requested *)
let unsafe_set = ref Stringset.empty
let add_unsafe s = unsafe_set := Stringset.add s !unsafe_set
let is_unsafe s = Stringset.mem s !unsafe_set
(* Dump of globalization (to be used by coqdoc) *)
let dump = ref false
let dump_file = ref ""
let dump_into_file f = dump := true; dump_file := f
let dump_buffer = Buffer.create 8192
let dump_string = Buffer.add_string dump_buffer
let dump_it () =
if !dump then begin
let mode = [Open_wronly; Open_append; Open_creat] in
let c = open_out_gen mode 0o666 !dump_file in
output_string c (Buffer.contents dump_buffer);
close_out c
end
let _ = at_exit dump_it
(* Flags.for the virtual machine *)
let boxed_definitions = ref true
let set_boxed_definitions b = boxed_definitions := b
let boxed_definitions _ = !boxed_definitions
(* Flags.for external tools *)
let subst_command_placeholder s t =
let buff = Buffer.create (String.length s + String.length t) in
for i = 0 to String.length s - 2 do
if s.[i] = '%' & s.[i+1] = 's' then Buffer.add_string buff t
else Buffer.add_char buff s.[i]
done;
Buffer.contents buff
let browser_cmd_fmt =
try
let coq_netscape_remote_var = "COQREMOTEBROWSER" in
Sys.getenv coq_netscape_remote_var
with
Not_found ->
if Sys.os_type = "Win32"
then "C:\\PROGRA~1\\INTERN~1\\IEXPLORE %s"
else "firefox -remote \"OpenURL(%s,new-tab)\" || firefox %s"
|
