Imported Upstream version 8.0pl1upstream/8.0pl1

1 files changed, 107 insertions, 0 deletions

diff --git a/lib/options.ml b/lib/options.ml
new file mode 100644
index 00000000..b5c5efda
--- /dev/null
+++ b/lib/options.ml
@@ -0,0 +1,107 @@
+(************************************************************************)
+(*  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        *)
+(************************************************************************)
+
+(* $Id: options.ml,v 1.27.2.1 2004/07/16 19:30:30 herbelin Exp $ *)
+
+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 emacs_str s = if !print_emacs then s else "" 
+
+let term_quality = ref false
+
+let xml_export = ref false
+
+let dont_load_proofs = ref false
+
+let raw_print = ref false
+
+let v7 =
+  let transl = array_exists ((=) "-translate") Sys.argv in
+  let v7 = array_exists ((=) "-v7") Sys.argv in
+  let v8 = array_exists ((=) "-v8") Sys.argv in
+  if v8 & transl then error "Options -translate and -v8 are incompatible";
+  if v8 & v7 then error "Options -v7 and -v8 are incompatible";
+  ref (v7 or transl)
+
+let v7_only = ref false
+
+(* Translate *)
+let translate = ref false
+let make_translate f = translate := f; v7 := f; ()
+let do_translate () = !translate
+let translate_file = ref false
+let translate_strict_impargs = ref true
+
+(* 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
+
+(* 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