Subversion Repositories openrisc_2011-10-31

------------------------------------------------------------------------------

--                                                                          --

--                         GNAT COMPILER COMPONENTS                         --

--                                                                          --

--                              O S I N T - B                               --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--          Copyright (C) 2001-2008, Free Software Foundation, Inc.         --

--                                                                          --

-- GNAT is free software;  you can  redistribute it  and/or modify it under --

-- terms of the  GNU General Public License as published  by the Free Soft- --

-- ware  Foundation;  either version 3,  or (at your option) any later ver- --

-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --

-- OUT 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  distributed with GNAT; see file COPYING3.  If not, go to --

-- http://www.gnu.org/licenses for a complete copy of the license.          --

--                                                                          --

-- GNAT was originally developed  by the GNAT team at  New York University. --

-- Extensive contributions were provided by Ada Core Technologies Inc.      --

--                                                                          --

------------------------------------------------------------------------------

with Opt;      use Opt;

with Targparm; use Targparm;

package body Osint.B is

   -------------------------

   -- Close_Binder_Output --

   -------------------------

   procedure Close_Binder_Output is

      Status : Boolean;

   begin

      Close (Output_FD, Status);

      if not Status then

         Fail

           ("error while closing generated file "

            & Get_Name_String (Output_File_Name));

      end if;

   end Close_Binder_Output;

   --------------------------

   -- Create_Binder_Output --

   --------------------------

   procedure Create_Binder_Output

     (Output_File_Name : String;

      Typ              : Character;

      Bfile            : out Name_Id)

   is

      File_Name : String_Ptr;

      Findex1   : Natural;

      Findex2   : Natural;

      Flength   : Natural;

      Bind_File_Prefix_Len : Natural := 2;

      --  Length of binder file prefix (normally set to 2 for b~, but gets

      --  reset to 3 for VMS for b__).

   begin

      if Output_File_Name /= "" then

         Name_Buffer (Output_File_Name'Range) := Output_File_Name;

         Name_Buffer (Output_File_Name'Last + 1) := ASCII.NUL;

         if Typ = 's' then

            Name_Buffer (Output_File_Name'Last) := 's';

         end if;

         Name_Len := Output_File_Name'Last;

      else

         Name_Buffer (1) := 'b';

         File_Name := File_Names (Current_File_Name_Index);

         Findex1 := File_Name'First;

         --  The ali file might be specified by a full path name. However,

         --  the binder generated file should always be created in the

         --  current directory, so the path might need to be stripped away.

         --  In addition to the default directory_separator allow the '/' to

         --  act as separator since this is allowed in MS-DOS and OS2 ports.

         for J in reverse File_Name'Range loop

            if File_Name (J) = Directory_Separator

              or else File_Name (J) = '/'

            then

               Findex1 := J + 1;

               exit;

            end if;

         end loop;

         Findex2 := File_Name'Last;

         while File_Name (Findex2) /=  '.' loop

            Findex2 := Findex2 - 1;

         end loop;

         Flength := Findex2 - Findex1;

         if Maximum_File_Name_Length > 0 then

            if OpenVMS_On_Target and then Typ /= 'c' then

               Bind_File_Prefix_Len := 3;

            end if;

            --  Make room for the extra two characters in "b?"

            while Int (Flength) >

              Maximum_File_Name_Length - Nat (Bind_File_Prefix_Len)

            loop

               Findex2 := Findex2 - 1;

               Flength := Findex2 - Findex1;

            end loop;

         end if;

         Name_Buffer

           (Bind_File_Prefix_Len + 1 .. Flength + Bind_File_Prefix_Len) :=

              File_Name (Findex1 .. Findex2 - 1);

         Name_Buffer (Flength + Bind_File_Prefix_Len + 1) := '.';

         --  C bind file, name is b_xxx.c

         if Typ = 'c' then

            Name_Buffer (2) := '_';

            Name_Buffer (Flength + 4) := 'c';

            Name_Buffer (Flength + 5) := ASCII.NUL;

            Name_Len := Flength + 4;

         --  Ada bind file, name is b~xxx.adb or b~xxx.ads

         --  (with __ instead of ~ in VMS)

         else

            if OpenVMS_On_Target then

               Name_Buffer (2) := '_';

               Name_Buffer (3) := '_';

            else

               Name_Buffer (2) := '~';

            end if;

            Name_Buffer (Flength + Bind_File_Prefix_Len + 2) := 'a';

            Name_Buffer (Flength + Bind_File_Prefix_Len + 3) := 'd';

            Name_Buffer (Flength + Bind_File_Prefix_Len + 4) := Typ;

            Name_Buffer (Flength + Bind_File_Prefix_Len + 5) := ASCII.NUL;

            Name_Len := Flength + Bind_File_Prefix_Len + 4;

         end if;

      end if;

      Bfile := Name_Find;

      Create_File_And_Check (Output_FD, Text);

   end Create_Binder_Output;

   --------------------

   -- More_Lib_Files --

   --------------------

   function More_Lib_Files return Boolean renames  More_Files;

   ------------------------

   -- Next_Main_Lib_File --

   ------------------------

   function Next_Main_Lib_File return File_Name_Type renames Next_Main_File;

   ---------------------------------

   -- Set_Current_File_Name_Index --

   ---------------------------------

   procedure Set_Current_File_Name_Index (To : Int) is

   begin

      Current_File_Name_Index := To;

   end Set_Current_File_Name_Index;

   -----------------------

   -- Write_Binder_Info --

   -----------------------

   procedure Write_Binder_Info (Info : String) renames Write_Info;

begin

   Set_Program (Binder);

end Osint.B;