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Diffstat (limited to 'gcc-4.3.1/gcc/ada/a-tiflio.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/a-tiflio.adb | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/a-tiflio.adb b/gcc-4.3.1/gcc/ada/a-tiflio.adb new file mode 100644 index 000000000..5a776a44a --- /dev/null +++ b/gcc-4.3.1/gcc/ada/a-tiflio.adb @@ -0,0 +1,147 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . T E X T _ I O . F L O A T _ I O -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2006, 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 Ada.Text_IO.Float_Aux; + +package body Ada.Text_IO.Float_IO is + + package Aux renames Ada.Text_IO.Float_Aux; + + --------- + -- Get -- + --------- + + procedure Get + (File : File_Type; + Item : out Num; + Width : Field := 0) + is + pragma Unsuppress (Range_Check); + + begin + Aux.Get (File, Long_Long_Float (Item), Width); + + -- In the case where the type is unconstrained (e.g. Standard'Float), + -- the above conversion may result in an infinite value, which is + -- normally fine for a conversion, but in this case, we want to treat + -- that as a data error. + + if not Item'Valid then + raise Data_Error; + end if; + + exception + when Constraint_Error => raise Data_Error; + end Get; + + procedure Get + (Item : out Num; + Width : Field := 0) + is + pragma Unsuppress (Range_Check); + + begin + Aux.Get (Current_In, Long_Long_Float (Item), Width); + + -- In the case where the type is unconstrained (e.g. Standard'Float), + -- the above conversion may result in an infinite value, which is + -- normally fine for a conversion, but in this case, we want to treat + -- that as a data error. + + if not Item'Valid then + raise Data_Error; + end if; + + exception + when Constraint_Error => raise Data_Error; + end Get; + + procedure Get + (From : String; + Item : out Num; + Last : out Positive) + is + pragma Unsuppress (Range_Check); + + begin + Aux.Gets (From, Long_Long_Float (Item), Last); + + -- In the case where the type is unconstrained (e.g. Standard'Float), + -- the above conversion may result in an infinite value, which is + -- normally fine for a conversion, but in this case, we want to treat + -- that as a data error. + + if not Item'Valid then + raise Data_Error; + end if; + + 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 (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 + Aux.Put (Current_Out, Long_Long_Float (Item), Fore, Aft, Exp); + end Put; + + procedure Put + (To : out String; + Item : Num; + Aft : Field := Default_Aft; + Exp : Field := Default_Exp) + is + begin + Aux.Puts (To, Long_Long_Float (Item), Aft, Exp); + end Put; + +end Ada.Text_IO.Float_IO; |