1 files changed, 68 insertions, 0 deletions
diff --git a/scripts/windows/mcode/windows_default_path.adb b/scripts/windows/mcode/windows_default_path.adb
new file mode 100644
index 000000000..c627356f9
--- /dev/null
+++ b/scripts/windows/mcode/windows_default_path.adb
@@ -0,0 +1,68 @@
+--  Find installation path (using executable).
+--  Copyright (C) 2002 - 2016 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
+--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+--  for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with GCC; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+--
+--  As a special exception, if other files instantiate generics from this
+--  unit, or you link this unit with other files to produce an executable,
+--  this unit does not by itself cause the resulting executable to be
+--  covered by the GNU General Public License. This exception does not
+--  however invalidate any other reasons why the executable file might be
+--  covered by the GNU Public License.
+
+with Interfaces.C; use Interfaces.C;
+with System; use System;
+
+package body Windows_Default_Path is
+
+   subtype DWORD is Interfaces.C.Unsigned_Long;
+   subtype HINSTANCE is Address;
+   function GetModuleFileName (Inst : HINSTANCE; Buf : Address; Size : DWORD)
+                              return DWORD;
+   pragma Import (Stdcall, GetModuleFileName, "GetModuleFileNameA");
+
+   function Get_Windows_Exec_Path return String
+   is
+      File : String (1 .. 256);
+      Size : DWORD;
+      P : Natural;
+   begin
+      --  Get exe file path.
+      Size := GetModuleFileName (Null_Address, File'Address, File'Length);
+      if Size = 0 or Size = File'Length then
+         return "{cannot find install path}\lib";
+      end if;
+
+      --  Remove Program file.
+      P := Natural (Size);
+      while P > 0 loop
+         exit when File (P) = '\';
+         exit when File (P) = ':' and P = 2;
+         P := P - 1;
+      end loop;
+      if File (P) = '\' and P > 1 then
+         --  Remove directory
+         P := P - 1;
+         while P > 0 loop
+            exit when File (P) = '\';
+            exit when File (P) = ':' and P = 2;
+            P := P - 1;
+         end loop;
+      end if;
+
+      return File (1 .. P);
+   end Get_Windows_Exec_Path;
+end Windows_Default_Path;