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Diffstat (limited to 'gcc/ada/a-ztflio.adb')
| -rw-r--r-- | gcc/ada/a-ztflio.adb | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/gcc/ada/a-ztflio.adb b/gcc/ada/a-ztflio.adb new file mode 100644 index 000000000..1530bcba6 --- /dev/null +++ b/gcc/ada/a-ztflio.adb @@ -0,0 +1,126 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . W I D E _ W I D E _ T E X T _ I O . F L O A T _ I O -- +-- -- +-- 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 Ada.Wide_Wide_Text_IO.Float_Aux; +with System.WCh_Con; use System.WCh_Con; +with System.WCh_WtS; use System.WCh_WtS; + +package body Ada.Wide_Wide_Text_IO.Float_IO is + + subtype TFT is Ada.Wide_Wide_Text_IO.File_Type; + -- File type required for calls to routines in Aux + + package Aux renames Ada.Wide_Wide_Text_IO.Float_Aux; + + --------- + -- Get -- + --------- + + procedure Get + (File : File_Type; + Item : out Num; + Width : Field := 0) + is + begin + Aux.Get (TFT (File), Long_Long_Float (Item), Width); + + exception + when Constraint_Error => raise Data_Error; + end Get; + + procedure Get + (Item : out Num; + Width : Field := 0) + is + begin + Get (Current_Input, Item, Width); + end Get; + + procedure Get + (From : Wide_Wide_String; + Item : out Num; + Last : out Positive) + is + S : constant String := Wide_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 + Aux.Gets (S, Long_Long_Float (Item), Last); + + exception + when Constraint_Error => raise Data_Error; + end Get; + + --------- + -- Put -- + --------- + + procedure Put + (File : File_Type; + Item : Num; + Fore : Field := Default_Fore; + Aft : Field := Default_Aft; + Exp : Field := Default_Exp) + is + begin + Aux.Put (TFT (File), Long_Long_Float (Item), Fore, Aft, Exp); + end Put; + + procedure Put + (Item : Num; + Fore : Field := Default_Fore; + Aft : Field := Default_Aft; + Exp : Field := Default_Exp) + is + begin + Put (Current_Output, Item, Fore, Aft, Exp); + end Put; + + procedure Put + (To : out Wide_Wide_String; + Item : Num; + Aft : Field := Default_Aft; + Exp : Field := Default_Exp) + is + S : String (To'First .. To'Last); + + begin + Aux.Puts (S, Long_Long_Float (Item), Aft, Exp); + + for J in S'Range loop + To (J) := Wide_Wide_Character'Val (Character'Pos (S (J))); + end loop; + end Put; + +end Ada.Wide_Wide_Text_IO.Float_IO; |