Imported Upstream version 8.2~beta3+dfsgupstream/8.2.beta3+dfsg

1 files changed, 132 insertions, 0 deletions

diff --git a/lib/flags.ml b/lib/flags.ml
new file mode 100644
index 00000000..de971c7c
--- /dev/null
+++ b/lib/flags.ml
@@ -0,0 +1,132 @@
+(************************************************************************)
+(*  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: flags.ml 11077 2008-06-09 11:26:32Z herbelin $ 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
+  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 ->
+   if Sys.os_type = "Win32"
+   then "C:\\PROGRA~1\\INTERN~1\\IEXPLORE %s"
+   else "firefox -remote \"OpenURL(%s,new-tab)\" || firefox %s &"