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Diffstat (limited to 'gcc/ada/s-imglli.adb')
| -rw-r--r-- | gcc/ada/s-imglli.adb | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gcc/ada/s-imglli.adb b/gcc/ada/s-imglli.adb new file mode 100644 index 00000000000..571110c6735 --- /dev/null +++ b/gcc/ada/s-imglli.adb @@ -0,0 +1,99 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- S Y S T E M . I M G _ L L I -- +-- -- +-- B o d y -- +-- -- +-- $Revision: 1.12 $ -- +-- -- +-- Copyright (C) 1992,1993,1994 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, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, 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. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +package body System.Img_LLI is + + ----------------------------- + -- Image_Long_Long_Integer -- + ----------------------------- + + function Image_Long_Long_Integer (V : Long_Long_Integer) return String is + P : Natural; + S : String (1 .. Long_Long_Integer'Width); + + begin + if V >= 0 then + P := 1; + S (P) := ' '; + else + P := 0; + end if; + + Set_Image_Long_Long_Integer (V, S, P); + return S (1 .. P); + end Image_Long_Long_Integer; + + --------------------------------- + -- Set_Image_Long_Long_Integer -- + --------------------------------- + + procedure Set_Image_Long_Long_Integer + (V : Long_Long_Integer; + S : out String; + P : in out Natural) + is + procedure Set_Digits (T : Long_Long_Integer); + -- Set digits of absolute value of T, which is zero or negative. We work + -- with the negative of the value so that the largest negative number is + -- not a special case. + + procedure Set_Digits (T : Long_Long_Integer) is + begin + if T <= -10 then + Set_Digits (T / 10); + P := P + 1; + S (P) := Character'Val (48 - (T rem 10)); + + else + P := P + 1; + S (P) := Character'Val (48 - T); + end if; + end Set_Digits; + + -- Start of processing for Set_Image_Long_Long_Integer + + begin + if V >= 0 then + Set_Digits (-V); + + else + P := P + 1; + S (P) := '-'; + Set_Digits (V); + end if; + + end Set_Image_Long_Long_Integer; + +end System.Img_LLI; |