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Diffstat (limited to 'gcc-4.4.0/gcc/ada/s-imgwch.adb')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/s-imgwch.adb | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/ada/s-imgwch.adb b/gcc-4.4.0/gcc/ada/s-imgwch.adb new file mode 100644 index 000000000..93ee55d99 --- /dev/null +++ b/gcc-4.4.0/gcc/ada/s-imgwch.adb @@ -0,0 +1,111 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . I M G _ W C H A R -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2009, 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. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- 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 -- + -------------------------- + + procedure Image_Wide_Character + (V : Wide_Character; + S : in out String; + P : out Natural; + Ada_2005 : Boolean) + is + pragma Assert (S'First = 1); + + 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 + S (1 .. 4) := "FFFE"; + else + S (1 .. 4) := "FFFF"; + end if; + + P := 4; + + -- Normal case, same as Wide_Wide_Character + + else + Image_Wide_Wide_Character + (Wide_Wide_Character'Val (Wide_Character'Pos (V)), S, P); + end if; + end Image_Wide_Character; + + ------------------------------- + -- Image_Wide_Wide_Character -- + ------------------------------- + + procedure Image_Wide_Wide_Character + (V : Wide_Wide_Character; + S : in out String; + P : out Natural) + is + pragma Assert (S'First = 1); + + Val : Unsigned_32 := Wide_Wide_Character'Pos (V); + + begin + -- If in range of standard Character, use Character routine + + if Val <= 16#FF# then + Image_Character (Character'Val (Wide_Wide_Character'Pos (V)), S, P); + + -- Otherwise value returned is Hex_hhhhhhhh + + else + declare + Hex : constant array (Unsigned_32 range 0 .. 15) of Character := + "0123456789ABCDEF"; + + begin + S (1 .. 4) := "Hex_"; + + for J in reverse 5 .. 12 loop + S (J) := Hex (Val mod 16); + Val := Val / 16; + end loop; + + P := 12; + end; + end if; + end Image_Wide_Wide_Character; + +end System.Img_WChar; |