gcc/ada/a-tideio.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --               A D A . T E X T _ I O . D E C I M A L _ I O                --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-1999 Free Software Foundation, Inc.          --
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  20 -- MA 02111-1307, USA.                                                      --
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  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
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  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 with Ada.Text_IO.Decimal_Aux;
  35
  36 package body Ada.Text_IO.Decimal_IO is
  37
  38    package Aux renames Ada.Text_IO.Decimal_Aux;
  39
  40    Scale : constant Integer := Num'Scale;
  41
  42    ---------
  43    -- Get --
  44    ---------
  45
  46    procedure Get
  47      (File  : in File_Type;
  48       Item  : out Num;
  49       Width : in Field := 0)
  50    is
  51       pragma Unsuppress (Range_Check);
  52
  53    begin
  54       if Num'Size > Integer'Size then
  55          Item := Num'Fixed_Value (Aux.Get_LLD (File, Width, Scale));
  56
  57       else
  58          Item := Num'Fixed_Value (Aux.Get_Dec (File, Width, Scale));
  59       end if;
  60
  61    exception
  62       when Constraint_Error => raise Data_Error;
  63    end Get;
  64
  65    procedure Get
  66      (Item  : out Num;
  67       Width : in Field := 0)
  68    is
  69    begin
  70       Get (Current_In, Item, Width);
  71    end Get;
  72
  73    procedure Get
  74      (From : in String;
  75       Item : out Num;
  76       Last : out Positive)
  77    is
  78       pragma Unsuppress (Range_Check);
  79
  80    begin
  81       if Num'Size > Integer'Size then
  82          Item := Num'Fixed_Value
  83                    (Aux.Gets_LLD (From, Last'Unrestricted_Access, Scale));
  84       else
  85          Item := Num'Fixed_Value
  86                    (Aux.Gets_Dec (From, Last'Unrestricted_Access, Scale));
  87       end if;
  88
  89    exception
  90       when Constraint_Error => raise Data_Error;
  91    end Get;
  92
  93    ---------
  94    -- Put --
  95    ---------
  96
  97    procedure Put
  98      (File : in File_Type;
  99       Item : in Num;
 100       Fore : in Field := Default_Fore;
 101       Aft  : in Field := Default_Aft;
 102       Exp  : in Field := Default_Exp)
 103    is
 104    begin
 105       if Num'Size > Integer'Size then
 106          Aux.Put_LLD
 107            (File, Long_Long_Integer'Integer_Value (Item),
 108             Fore, Aft, Exp, Scale);
 109       else
 110          Aux.Put_Dec
 111            (File, Integer'Integer_Value (Item), Fore, Aft, Exp, Scale);
 112       end if;
 113    end Put;
 114
 115    procedure Put
 116      (Item : in Num;
 117       Fore : in Field := Default_Fore;
 118       Aft  : in Field := Default_Aft;
 119       Exp  : in Field := Default_Exp)
 120    is
 121    begin
 122       Put (Current_Out, Item, Fore, Aft, Exp);
 123    end Put;
 124
 125    procedure Put
 126      (To   : out String;
 127       Item : in Num;
 128       Aft  : in Field := Default_Aft;
 129       Exp  : in Field := Default_Exp)
 130    is
 131    begin
 132       if Num'Size > Integer'Size then
 133          Aux.Puts_LLD
 134            (To, Long_Long_Integer'Integer_Value (Item), Aft, Exp, Scale);
 135       else
 136          Aux.Puts_Dec (To, Integer'Integer_Value (Item), Aft, Exp, Scale);
 137       end if;
 138    end Put;
 139
 140 end Ada.Text_IO.Decimal_IO;