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------------------------------------------------------------------------------
-- --
-- POLYORB COMPONENTS --
-- --
-- E R R O R S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2004-2008, Free Software Foundation, Inc. --
-- --
-- PolyORB is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 2, or (at your option) any later --
-- version. PolyORB is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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 PolyORB; see file COPYING. If --
-- not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, USA. --
-- --
-- --
-- PolyORB is maintained by AdaCore --
-- (email: sales@adacore.com) --
-- --
------------------------------------------------------------------------------
with Output; use Output;
with Namet; use Namet;
with Utils; use Utils;
package body Errors is
-------------------
-- Display_Error --
-------------------
procedure Display_Error (S : String) is
procedure Check_Space;
-- Ensure the last character of the name buffer is a space
-----------------
-- Check_Space --
-----------------
procedure Check_Space is
begin
if Name_Len > 0 and then Name_Buffer (Name_Len) /= ' ' then
Add_Char_To_Name_Buffer (' ');
end if;
end Check_Space;
-- N, L, and I are the indices mentioned in the spec
N : Natural range 1 .. 3 := 1; -- Index into Error_Name
L : Natural range 1 .. 3 := 1; -- Index into Error_Loc
I : Natural range 1 .. 3 := 1; -- Index into Error_Int
Special : Boolean := False;
-- True when the current character is a special insertion character
type Message_Kind is (K_Error, K_Warning, K_Continuation);
Kind : Message_Kind;
begin
if Error_Loc (L) = No_Location then
Set_Str_To_Name_Buffer (Utils.Simple_Command_Name);
else
Set_Str_To_Name_Buffer (Image (Error_Loc (L)));
end if;
L := L + 1;
Add_Str_To_Name_Buffer (": ");
Kind := K_Error;
for J in S'Range loop
case S (J) is
when '\' =>
Kind := K_Continuation;
exit;
when '?' =>
Kind := K_Warning;
exit;
when others =>
null;
end case;
end loop;
case Kind is
when K_Error =>
N_Errors := N_Errors + 1;
when K_Warning =>
N_Warnings := N_Warnings + 1;
Add_Str_To_Name_Buffer ("warning: ");
when K_Continuation =>
null;
end case;
for J in S'Range loop
-- Process special insertion characters
case S (J) is
when '%' =>
Check_Space;
Get_Name_String_And_Append (Error_Name (N));
N := N + 1;
Special := True;
when '#' =>
Check_Space;
Add_Char_To_Name_Buffer ('"');
Get_Name_String_And_Append (Error_Name (N));
Add_Char_To_Name_Buffer ('"');
N := N + 1;
Special := True;
when '!' =>
case L is
when 1 =>
Add_Str_To_Name_Buffer (Image (Error_Loc (1)));
when 2 =>
Check_Space;
if Error_Loc (1).File = Error_Loc (2).File then
Add_Str_To_Name_Buffer ("at line ");
Add_Nat_To_Name_Buffer (Error_Loc (2).Line);
else
Add_Str_To_Name_Buffer ("at ");
Add_Str_To_Name_Buffer (Image (Error_Loc (2)));
end if;
when 3 => raise Program_Error;
end case;
L := L + 1;
Special := True;
when '$' =>
Add_Nat_To_Name_Buffer (Error_Int (I));
I := I + 1;
Special := True;
when '?' | '\' =>
-- Already dealt with
null;
when others =>
-- Add space after insertion if not provided by S
if Special then
if S (J) /= ' ' then
Add_Char_To_Name_Buffer (' ');
end if;
Special := False;
end if;
Add_Char_To_Name_Buffer (S (J));
end case;
end loop;
Set_Standard_Error;
Write_Line (Name_Buffer (1 .. Name_Len));
Set_Standard_Output;
-- Reset all insertion data to ensure it is not erroneously propagated
-- from one error to another.
Initialize;
end Display_Error;
----------------
-- Initialize --
----------------
procedure Initialize is
begin
Error_Loc := (others => No_Location);
Error_Name := (others => No_Name);
Error_Int := (others => 0);
end Initialize;
end Errors;
|
