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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [a-tienio.adb] - Blame information for rev 706

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--           A D A . T E X T _ I O . E N U M E R A T I O N _ I O            --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1992-2011, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with Ada.Text_IO.Enumeration_Aux;
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package body Ada.Text_IO.Enumeration_IO is
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   package Aux renames Ada.Text_IO.Enumeration_Aux;
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   ---------
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   -- Get --
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   ---------
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   procedure Get (File : File_Type; Item : out Enum) is
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      Buf    : String (1 .. Enum'Width + 1);
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      Buflen : Natural;
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   begin
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      Aux.Get_Enum_Lit (File, Buf, Buflen);
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      declare
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         Buf_Str : String renames Buf (1 .. Buflen);
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         pragma Unsuppress (Range_Check);
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      begin
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         Item := Enum'Value (Buf_Str);
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      end;
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   exception
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      when Constraint_Error => raise Data_Error;
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   end Get;
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   procedure Get (Item : out Enum) is
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      pragma Unsuppress (Range_Check);
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   begin
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      Get (Current_In, Item);
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   end Get;
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   procedure Get
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     (From : String;
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      Item : out Enum;
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      Last : out Positive)
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   is
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      Start : Natural;
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   begin
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      Aux.Scan_Enum_Lit (From, Start, Last);
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      declare
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         From_Str : String renames From (Start .. Last);
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         pragma Unsuppress (Range_Check);
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      begin
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         Item := Enum'Value (From_Str);
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      end;
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   exception
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      when Constraint_Error => raise Data_Error;
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   end Get;
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   ---------
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   -- Put --
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   ---------
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   procedure Put
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     (File  : File_Type;
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      Item  : Enum;
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      Width : Field := Default_Width;
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      Set   : Type_Set := Default_Setting)
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   is
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   begin
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      --  Ensure that Item is valid before attempting to retrieve the Image, to
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      --  prevent the possibility of out-of-bounds addressing of index or image
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      --  tables. Units in  the run-time library are normally compiled with
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      --  checks suppressed, which includes instantiated generics.
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      if not Item'Valid then
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         raise Constraint_Error with "invalid enumeration value";
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      end if;
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      Aux.Put (File, Enum'Image (Item), Width, Set);
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   end Put;
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   procedure Put
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     (Item  : Enum;
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      Width : Field := Default_Width;
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      Set   : Type_Set := Default_Setting)
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   is
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   begin
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      Put (Current_Out, Item, Width, Set);
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   end Put;
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   procedure Put
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     (To   : out String;
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      Item : Enum;
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      Set  : Type_Set := Default_Setting)
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   is
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   begin
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      --  Ensure that Item is valid before attempting to retrieve the Image, to
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      --  prevent the possibility of out-of-bounds addressing of index or image
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      --  tables. Units in the run-time library are normally compiled with
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      --  checks suppressed, which includes instantiated generics.
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      if not Item'Valid then
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         raise Constraint_Error with "invalid enumeration value";
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      end if;
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      Aux.Puts (To, Enum'Image (Item), Set);
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   end Put;
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end Ada.Text_IO.Enumeration_IO;

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