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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                              B I N D E R R                               --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 1992-2002 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 2,  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 COPYING.  If not, write --
-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
-- Boston, MA 02110-1301, USA.                                              --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------
 
with Butil;   use Butil;
with Namet;   use Namet;
with Opt;     use Opt;
with Output;  use Output;
 
package body Binderr is
 
   ---------------
   -- Error_Msg --
   ---------------
 
   procedure Error_Msg (Msg : String) is
   begin
      if Msg (Msg'First) = '?' then
         if Warning_Mode = Suppress then
            return;
         end if;
 
         if Warning_Mode = Treat_As_Error then
            Errors_Detected := Errors_Detected + 1;
         else
            Warnings_Detected := Warnings_Detected + 1;
         end if;
 
      else
         Errors_Detected := Errors_Detected + 1;
      end if;
 
      if Brief_Output or else (not Verbose_Mode) then
         Set_Standard_Error;
         Error_Msg_Output (Msg, Info => False);
         Set_Standard_Output;
      end if;
 
      if Verbose_Mode then
         if Errors_Detected + Warnings_Detected = 0 then
            Write_Eol;
         end if;
 
         Error_Msg_Output (Msg, Info => False);
      end if;
 
      if Warnings_Detected + Errors_Detected > Maximum_Errors then
         raise Unrecoverable_Error;
      end if;
 
   end Error_Msg;
 
   --------------------
   -- Error_Msg_Info --
   --------------------
 
   procedure Error_Msg_Info (Msg : String) is
   begin
      if Brief_Output or else (not Verbose_Mode) then
         Set_Standard_Error;
         Error_Msg_Output (Msg, Info => True);
         Set_Standard_Output;
      end if;
 
      if Verbose_Mode then
         Error_Msg_Output (Msg, Info => True);
      end if;
 
   end Error_Msg_Info;
 
   ----------------------
   -- Error_Msg_Output --
   ----------------------
 
   procedure Error_Msg_Output (Msg : String; Info : Boolean) is
      Use_Second_Name : Boolean := False;
      Use_Second_Nat  : Boolean := False;
 
   begin
      if Warnings_Detected + Errors_Detected > Maximum_Errors then
         Write_Str ("error: maximum errors exceeded");
         Write_Eol;
         return;
      end if;
 
      if Msg (Msg'First) = '?' then
         Write_Str ("warning: ");
      elsif Info then
         if not Info_Prefix_Suppress then
            Write_Str ("info:  ");
         end if;
      else
         Write_Str ("error: ");
      end if;
 
      for J in Msg'Range loop
         if Msg (J) = '%' then
 
            if Use_Second_Name then
               Get_Name_String (Error_Msg_Name_2);
            else
               Use_Second_Name := True;
               Get_Name_String (Error_Msg_Name_1);
            end if;
 
            Write_Char ('"');
            Write_Str (Name_Buffer (1 .. Name_Len));
            Write_Char ('"');
 
         elsif Msg (J) = '&' then
            Write_Char ('"');
 
            if Use_Second_Name then
               Write_Unit_Name (Error_Msg_Name_2);
            else
               Use_Second_Name := True;
               Write_Unit_Name (Error_Msg_Name_1);
            end if;
 
            Write_Char ('"');
 
         elsif Msg (J) = '#' then
            if Use_Second_Nat then
               Write_Int (Error_Msg_Nat_2);
            else
               Use_Second_Nat := True;
               Write_Int (Error_Msg_Nat_1);
            end if;
 
         elsif Msg (J) /= '?' then
            Write_Char (Msg (J));
         end if;
      end loop;
 
      Write_Eol;
   end Error_Msg_Output;
 
   ----------------------
   -- Finalize_Binderr --
   ----------------------
 
   procedure Finalize_Binderr is
   begin
      --  Message giving number of errors detected (verbose mode only)
 
      if Verbose_Mode then
         Write_Eol;
 
         if Errors_Detected = 0 then
            Write_Str ("No errors");
 
         elsif Errors_Detected = 1 then
            Write_Str ("1 error");
 
         else
            Write_Int (Errors_Detected);
            Write_Str (" errors");
         end if;
 
         if Warnings_Detected = 1 then
            Write_Str (", 1 warning");
 
         elsif Warnings_Detected > 1 then
            Write_Str (", ");
            Write_Int (Warnings_Detected);
            Write_Str (" warnings");
         end if;
 
         Write_Eol;
      end if;
   end Finalize_Binderr;
 
   ------------------------
   -- Initialize_Binderr --
   ------------------------
 
   procedure Initialize_Binderr is
   begin
      Errors_Detected := 0;
      Warnings_Detected := 0;
   end Initialize_Binderr;
 
end Binderr;