gcc/ada/libgnat/a-tiinio.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --               A D A . T E X T _ I O . I N T E G E R _ I O                --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2020, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
  15 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  16 -- terms of the  GNU General Public License as published  by the Free Soft- --
  17 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  18 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  19 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  20 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  21 --                                                                          --
  22 -- As a special exception under Section 7 of GPL version 3, you are granted --
  23 -- additional permissions described in the GCC Runtime Library Exception,   --
  24 -- version 3.1, as published by the Free Software Foundation.               --
  25 --                                                                          --
  26 -- You should have received a copy of the GNU General Public License and    --
  27 -- a copy of the GCC Runtime Library Exception along with this program;     --
  28 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  29 -- <http://www.gnu.org/licenses/>.                                          --
  30 --                                                                          --
  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 --  In Ada 95, the package Ada.Text_IO.Integer_IO is a subpackage of Text_IO.
  37 --  This is for compatibility with Ada 83. In GNAT we make it a child package
  38 --  to avoid loading the necessary code if Integer_IO is not instantiated.
  39 --  See routine Rtsfind.Check_Text_IO_Special_Unit for a description of how
  40 --  we patch up the difference in semantics so that it is invisible to the
  41 --  Ada programmer.
  42
  43 private generic
  44    type Num is range <>;
  45
  46 package Ada.Text_IO.Integer_IO is
  47
  48    Default_Width : Field := Num'Width;
  49    Default_Base  : Number_Base := 10;
  50
  51    procedure Get
  52      (File  : File_Type;
  53       Item  : out Num;
  54       Width : Field := 0)
  55    with
  56      Pre    => Is_Open (File) and then Mode (File) = In_File,
  57      Global => (In_Out => File_System);
  58
  59    procedure Get
  60      (Item  : out Num;
  61       Width : Field := 0)
  62    with
  63      Post   =>
  64        Line_Length'Old = Line_Length
  65        and Page_Length'Old = Page_Length,
  66      Global => (In_Out => File_System);
  67
  68    procedure Put
  69      (File  : File_Type;
  70       Item  : Num;
  71       Width : Field := Default_Width;
  72       Base  : Number_Base := Default_Base)
  73    with
  74      Pre    => Is_Open (File) and then Mode (File) /= In_File,
  75      Post   =>
  76        Line_Length (File)'Old = Line_Length (File)
  77        and Page_Length (File)'Old = Page_Length (File),
  78      Global => (In_Out => File_System);
  79
  80    procedure Put
  81      (Item  : Num;
  82       Width : Field := Default_Width;
  83       Base  : Number_Base := Default_Base)
  84    with
  85      Post   =>
  86        Line_Length'Old = Line_Length
  87        and Page_Length'Old = Page_Length,
  88      Global => (In_Out => File_System);
  89
  90    procedure Get
  91      (From : String;
  92       Item : out Num;
  93       Last : out Positive)
  94    with
  95      Global => null;
  96
  97    procedure Put
  98      (To   : out String;
  99       Item : Num;
 100       Base : Number_Base := Default_Base)
 101    with
 102      Global => null;
 103
 104 private
 105    pragma Inline (Get);
 106    pragma Inline (Put);
 107
 108 end Ada.Text_IO.Integer_IO;