diff options
Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-imgwch.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-imgwch.adb | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-imgwch.adb b/gcc-4.2.1/gcc/ada/s-imgwch.adb new file mode 100644 index 000000000..a408ef628 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/s-imgwch.adb @@ -0,0 +1,102 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . I M G _ W C H A R -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2005, 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. -- +-- -- +-- 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. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with Interfaces; use Interfaces; + +with System.Img_Char; use System.Img_Char; + +package body System.Img_WChar is + + -------------------------- + -- Image_Wide_Character -- + -------------------------- + + function Image_Wide_Character + (V : Wide_Character; + Ada_2005 : Boolean) return String + is + begin + -- Annoying Ada 95 incompatibility with FFFE/FFFF + + if V >= Wide_Character'Val (16#FFFE#) + and then not Ada_2005 + then + if V = Wide_Character'Val (16#FFFE#) then + return "FFFE"; + else + return "FFFF"; + end if; + end if; + + -- Normal case, same as Wide_Wide_Character + + return + Image_Wide_Wide_Character + (Wide_Wide_Character'Val (Wide_Character'Pos (V))); + end Image_Wide_Character; + + ------------------------------- + -- Image_Wide_Wide_Character -- + ------------------------------- + + function Image_Wide_Wide_Character + (V : Wide_Wide_Character) return String + is + Val : Unsigned_32 := Wide_Wide_Character'Pos (V); + + begin + -- If in range of standard Character, use Character routine + + if Val <= 16#FF# then + return Image_Character (Character'Val (Wide_Wide_Character'Pos (V))); + + -- Otherwise value returned is Hex_hhhhhhhh + + else + declare + Result : String (1 .. 12) := "Hex_hhhhhhhh"; + Hex : constant array (Unsigned_32 range 0 .. 15) of Character := + "0123456789ABCDEF"; + + begin + for J in reverse 5 .. 12 loop + Result (J) := Hex (Val mod 16); + Val := Val / 16; + end loop; + + return Result; + end; + end if; + end Image_Wide_Wide_Character; + +end System.Img_WChar; |