gcc/ada/a-tienio.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --           A D A . T E X T _ I O . E N U M E R A T I O N _ I O            --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2006, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  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.                                      --
  28 --                                                                          --
  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.Enumeration_Aux;
  35
  36 package body Ada.Text_IO.Enumeration_IO is
  37
  38    package Aux renames Ada.Text_IO.Enumeration_Aux;
  39
  40    ---------
  41    -- Get --
  42    ---------
  43
  44    procedure Get (File : File_Type; Item : out Enum) is
  45       Buf    : String (1 .. Enum'Width);
  46       Buflen : Natural;
  47
  48    begin
  49       Aux.Get_Enum_Lit (File, Buf, Buflen);
  50
  51       declare
  52          Buf_Str : String renames Buf (1 .. Buflen);
  53          pragma Unsuppress (Range_Check);
  54       begin
  55          Item := Enum'Value (Buf_Str);
  56       end;
  57
  58    exception
  59       when Constraint_Error => raise Data_Error;
  60    end Get;
  61
  62    procedure Get (Item : out Enum) is
  63       pragma Unsuppress (Range_Check);
  64
  65    begin
  66       Get (Current_In, Item);
  67    end Get;
  68
  69    procedure Get
  70      (From : String;
  71       Item : out Enum;
  72       Last : out Positive)
  73    is
  74       Start : Natural;
  75
  76    begin
  77       Aux.Scan_Enum_Lit (From, Start, Last);
  78
  79       declare
  80          From_Str : String renames From (Start .. Last);
  81          pragma Unsuppress (Range_Check);
  82       begin
  83          Item := Enum'Value (From_Str);
  84       end;
  85
  86    exception
  87       when Constraint_Error => raise Data_Error;
  88    end Get;
  89
  90    ---------
  91    -- Put --
  92    ---------
  93
  94    procedure Put
  95      (File  : File_Type;
  96       Item  : Enum;
  97       Width : Field := Default_Width;
  98       Set   : Type_Set := Default_Setting)
  99    is
 100       Image : constant String := Enum'Image (Item);
 101
 102    begin
 103       Aux.Put (File, Image, Width, Set);
 104    end Put;
 105
 106    procedure Put
 107      (Item  : Enum;
 108       Width : Field := Default_Width;
 109       Set   : Type_Set := Default_Setting)
 110    is
 111    begin
 112       Put (Current_Out, Item, Width, Set);
 113    end Put;
 114
 115    procedure Put
 116      (To   : out String;
 117       Item : Enum;
 118       Set  : Type_Set := Default_Setting)
 119    is
 120       Image : constant String := Enum'Image (Item);
 121
 122    begin
 123       Aux.Puts (To, Image, Set);
 124    end Put;
 125
 126 end Ada.Text_IO.Enumeration_IO;