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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
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 without_option o f x =
let old = !o in o:=false;
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 term_quality = ref false
let xml_export = ref false
type load_proofs = Force | Lazy | Dont
let load_proofs = ref Lazy
let raw_print = ref false
let record_print = ref true
(* Compatibility mode *)
(* Current means no particular compatibility consideration.
For correct comparisons, this constructor should remain the last one. *)
type compat_version = V8_2 | V8_3 | Current
let compat_version = ref Current
let version_strictly_greater v = !compat_version > v
let version_less_or_equal v = not (version_strictly_greater v)
let pr_version = function
| V8_2 -> "8.2"
| V8_3 -> "8.3"
| Current -> "current"
(* Translate *)
let beautify = ref false
let make_beautify f = beautify := f
let do_beautify () = !beautify
let beautify_file = 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 = with_option silent f x
let verbosely f x = without_option silent f x
let if_silent f x = if !silent then f x
let if_verbose f x = if not !silent then f x
let auto_intros = ref true
let make_auto_intros flag = auto_intros := flag
let is_auto_intros () = version_strictly_greater V8_2 && !auto_intros
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 *)
module Stringset = Set.Make(struct type t = string let compare = compare end)
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
(* Flags for external tools *)
let subst_command_placeholder s t =
let buff = Buffer.create (String.length s + String.length t) in
let i = ref 0 in
while (!i < String.length s) do
if s.[!i] = '%' & !i+1 < String.length s & s.[!i+1] = 's'
then (Buffer.add_string buff t;incr i)
else Buffer.add_char buff s.[!i];
incr 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 -> Coq_config.browser
let is_standard_doc_url url =
let wwwcompatprefix = "http://www.lix.polytechnique.fr/coq/" in
let n = String.length Coq_config.wwwcoq in
let n' = String.length Coq_config.wwwrefman in
url = Coq_config.localwwwrefman ||
url = Coq_config.wwwrefman ||
url = wwwcompatprefix ^ String.sub Coq_config.wwwrefman n (n'-n)
(* same as in System, but copied here because of dependencies *)
let canonical_path_name p =
let current = Sys.getcwd () in
Sys.chdir p;
let result = Sys.getcwd () in
Sys.chdir current;
result
(* Options for changing coqlib *)
let coqlib_spec = ref false
let coqlib = ref (
(* same as Envars.coqroot, but copied here because of dependencies *)
Filename.dirname
(canonical_path_name (Filename.dirname Sys.executable_name))
)
(* Options for changing camlbin (used by coqmktop) *)
let camlbin_spec = ref false
let camlbin = ref Coq_config.camlbin
(* Options for changing camlp4bin (used by coqmktop) *)
let camlp4bin_spec = ref false
let camlp4bin = ref Coq_config.camlp4bin
(* 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
|
