From 97fefe1fcca363a1317e066e7f4b99b9c1e9987b Mon Sep 17 00:00:00 2001
From: Stephane Glondu <steph@glondu.net>
Date: Thu, 12 Jan 2012 16:02:20 +0100
Subject: Imported Upstream version 8.4~beta

---
 ide/coqide_main.ml4 | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 ide/coqide_main.ml4

(limited to 'ide/coqide_main.ml4')

diff --git a/ide/coqide_main.ml4 b/ide/coqide_main.ml4
new file mode 100644
index 00000000..3fec0631
--- /dev/null
+++ b/ide/coqide_main.ml4
@@ -0,0 +1,105 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+IFDEF QUARTZ THEN
+external gtk_mac_init : (string -> unit) -> (unit -> bool) -> unit
+  = "caml_gtk_mac_init"
+
+external gtk_mac_ready :  ([> Gtk.widget ] as 'a) Gtk.obj -> ([> Gtk.widget ] as 'a) Gtk.obj ->
+                          ([> Gtk.widget ] as 'a) Gtk.obj -> unit
+  = "caml_gtk_mac_ready"
+END
+
+let initmac () = IFDEF QUARTZ THEN gtk_mac_init Coqide.do_load Coqide.forbid_quit_to_save ELSE () END
+
+let macready x y z = IFDEF QUARTZ THEN gtk_mac_ready x#as_widget y#as_widget z#as_widget ELSE ()  END
+
+(* On win32, we add the directory of coqide to the PATH at launch-time
+   (this used to be done in a .bat script). *)
+
+let set_win32_path () =
+  Unix.putenv "PATH"
+    (Filename.dirname Sys.executable_name ^ ";" ^
+      (try Sys.getenv "PATH" with _ -> ""))
+
+(* On win32, since coqide is now console-free, we re-route stdout/stderr
+   to avoid Sys_error if someone writes to them. We write to a pipe which
+   is never read (by default) or to a temp log file (when in debug mode).
+*)
+
+let reroute_stdout_stderr () =
+  let out_descr =
+    if !Ideutils.debug then
+      Unix.descr_of_out_channel (snd (Filename.open_temp_file "coqide_" ".log"))
+    else
+      snd (Unix.pipe ())
+  in
+  Unix.dup2 out_descr Unix.stdout;
+  Unix.dup2 out_descr Unix.stderr
+
+(* We also provide specific kill and interrupt functions. *)
+
+(* Since [win32_interrupt] involves some hack about the process console,
+   only one should run at the same time, we simply skip execution of
+   [win32_interrupt] if another instance is already running *)
+
+let ctrl_c_mtx = Mutex.create ()
+
+let ctrl_c_protect f i =
+  if not (Mutex.try_lock ctrl_c_mtx) then ()
+  else try f i; Mutex.unlock ctrl_c_mtx with _ -> Mutex.unlock ctrl_c_mtx
+
+IFDEF WIN32 THEN
+external win32_kill : int -> unit = "win32_kill"
+external win32_interrupt : int -> unit = "win32_interrupt"
+let () =
+  Coq.killer := win32_kill;
+  Coq.interrupter := ctrl_c_protect win32_interrupt;
+  set_win32_path ();
+  reroute_stdout_stderr ()
+END
+
+let () =
+  let argl = Array.to_list Sys.argv in
+  let argl = Coqide.read_coqide_args argl in
+  let files = Coqide.process_argv argl in
+  let args = List.filter (fun x -> not (List.mem x files)) (List.tl argl) in
+  Coq.check_connection args;
+  Coqide.sup_args := args;
+  Coqide.ignore_break ();
+  (try
+     let gtkrcdir = List.find
+       (fun x -> Sys.file_exists (Filename.concat x "coqide-gtk2rc"))
+       Minilib.xdg_config_dirs in
+     GtkMain.Rc.add_default_file (Filename.concat gtkrcdir "coqide-gtk2rc");
+   with Not_found -> ());
+  ignore (GtkMain.Main.init ());
+  initmac () ;
+(*    GtkData.AccelGroup.set_default_mod_mask
+      (Some [`CONTROL;`SHIFT;`MOD1;`MOD3;`MOD4]);*)
+    ignore (
+	     Glib.Message.set_log_handler ~domain:"Gtk" ~levels:[`ERROR;`FLAG_FATAL;
+								 `WARNING;`CRITICAL]
+	       (fun ~level msg ->
+		  if level land Glib.Message.log_level `WARNING <> 0
+		  then Printf.eprintf "Warning: %s\n" msg
+		  else failwith ("Coqide internal error: " ^ msg)));
+    Coqide.main files;
+    if !Coq_config.with_geoproof then ignore (Thread.create Coqide.check_for_geoproof_input ());
+    macready (Coqide_ui.ui_m#get_widget "/CoqIde MenuBar") (Coqide_ui.ui_m#get_widget "/CoqIde MenuBar/Edit/Prefs")
+             (Coqide_ui.ui_m#get_widget "/CoqIde MenuBar/Help/Abt");
+    while true do
+      try
+	GtkThread.main ()
+      with
+	| Sys.Break -> Ideutils.prerr_endline "Interrupted."
+	| e ->
+	    Minilib.safe_prerr_endline
+	      ("CoqIde unexpected error:" ^ (Printexc.to_string e));
+	    Coqide.crash_save 127
+    done
-- 
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