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Diffstat (limited to 'gcc/ada/a-wtinio.adb')
| -rw-r--r-- | gcc/ada/a-wtinio.adb | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gcc/ada/a-wtinio.adb b/gcc/ada/a-wtinio.adb new file mode 100644 index 00000000000..c433bba63f8 --- /dev/null +++ b/gcc/ada/a-wtinio.adb @@ -0,0 +1,150 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- A D A . W I D E _ T E X T _ I O . I N T E G E R _ I O -- +-- -- +-- B o d y -- +-- -- +-- $Revision: 1.7 $ +-- -- +-- Copyright (C) 1992-2000 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). -- +-- -- +------------------------------------------------------------------------------ + +with Ada.Wide_Text_IO.Integer_Aux; +with System.WCh_Con; use System.WCh_Con; +with System.WCh_WtS; use System.WCh_WtS; + +package body Ada.Wide_Text_IO.Integer_IO is + + Need_LLI : constant Boolean := Num'Base'Size > Integer'Size; + -- Throughout this generic body, we distinguish between the case + -- where type Integer is acceptable, and where a Long_Long_Integer + -- is needed. This constant Boolean is used to test for these cases + -- and since it is a constant, only the code for the relevant case + -- will be included in the instance. + + subtype TFT is Ada.Wide_Text_IO.File_Type; + -- File type required for calls to routines in Aux + + package Aux renames Ada.Wide_Text_IO.Integer_Aux; + + --------- + -- Get -- + --------- + + procedure Get + (File : in File_Type; + Item : out Num; + Width : in Field := 0) + is + begin + if Need_LLI then + Aux.Get_LLI (TFT (File), Long_Long_Integer (Item), Width); + else + Aux.Get_Int (TFT (File), Integer (Item), Width); + end if; + + exception + when Constraint_Error => raise Data_Error; + end Get; + + procedure Get + (Item : out Num; + Width : in Field := 0) + is + begin + Get (Current_Input, Item, Width); + end Get; + + procedure Get + (From : in Wide_String; + Item : out Num; + Last : out Positive) + is + S : constant String := Wide_String_To_String (From, WCEM_Upper); + -- String on which we do the actual conversion. Note that the method + -- used for wide character encoding is irrelevant, since if there is + -- a character outside the Standard.Character range then the call to + -- Aux.Gets will raise Data_Error in any case. + + begin + if Need_LLI then + Aux.Gets_LLI (S, Long_Long_Integer (Item), Last); + else + Aux.Gets_Int (S, Integer (Item), Last); + end if; + + exception + when Constraint_Error => raise Data_Error; + end Get; + + --------- + -- Put -- + --------- + + procedure Put + (File : in File_Type; + Item : in Num; + Width : in Field := Default_Width; + Base : in Number_Base := Default_Base) + is + begin + if Need_LLI then + Aux.Put_LLI (TFT (File), Long_Long_Integer (Item), Width, Base); + else + Aux.Put_Int (TFT (File), Integer (Item), Width, Base); + end if; + end Put; + + procedure Put + (Item : in Num; + Width : in Field := Default_Width; + Base : in Number_Base := Default_Base) + is + begin + Put (Current_Output, Item, Width, Base); + end Put; + + procedure Put + (To : out Wide_String; + Item : in Num; + Base : in Number_Base := Default_Base) + is + S : String (To'First .. To'Last); + + begin + if Need_LLI then + Aux.Puts_LLI (S, Long_Long_Integer (Item), Base); + else + Aux.Puts_Int (S, Integer (Item), Base); + end if; + + for J in S'Range loop + To (J) := Wide_Character'Val (Character'Pos (S (J))); + end loop; + end Put; + +end Ada.Wide_Text_IO.Integer_IO; |