| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . T E X T _ I O . E N U M E R A T I O N _ I O -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2021, 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 3, 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. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- 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.Enumeration_Aux; |
| |
| package body Ada.Text_IO.Enumeration_IO is |
| |
| package Aux renames Ada.Text_IO.Enumeration_Aux; |
| |
| --------- |
| -- Get -- |
| --------- |
| |
| procedure Get (File : File_Type; Item : out Enum) is |
| Buf : String (1 .. Enum'Width + 1); |
| Buflen : Natural; |
| |
| begin |
| Aux.Get_Enum_Lit (File, Buf, Buflen); |
| |
| declare |
| Buf_Str : String renames Buf (1 .. Buflen); |
| pragma Unsuppress (Range_Check); |
| begin |
| Item := Enum'Value (Buf_Str); |
| end; |
| |
| exception |
| when Constraint_Error => raise Data_Error; |
| end Get; |
| |
| procedure Get (Item : out Enum) is |
| pragma Unsuppress (Range_Check); |
| begin |
| Get (Current_In, Item); |
| end Get; |
| |
| procedure Get |
| (From : String; |
| Item : out Enum; |
| Last : out Positive) |
| is |
| Start : Natural; |
| |
| begin |
| Aux.Scan_Enum_Lit (From, Start, Last); |
| |
| declare |
| From_Str : String renames From (Start .. Last); |
| pragma Unsuppress (Range_Check); |
| begin |
| Item := Enum'Value (From_Str); |
| end; |
| |
| exception |
| when Constraint_Error => raise Data_Error; |
| end Get; |
| |
| --------- |
| -- Put -- |
| --------- |
| |
| procedure Put |
| (File : File_Type; |
| Item : Enum; |
| Width : Field := Default_Width; |
| Set : Type_Set := Default_Setting) |
| is |
| begin |
| -- Ensure that Item is valid before attempting to retrieve the Image, to |
| -- prevent the possibility of out-of-bounds addressing of index or image |
| -- tables. Units in the run-time library are normally compiled with |
| -- checks suppressed, which includes instantiated generics. |
| |
| if not Item'Valid then |
| raise Constraint_Error with "invalid enumeration value"; |
| end if; |
| |
| Aux.Put (File, Enum'Image (Item), Width, Set); |
| end Put; |
| |
| procedure Put |
| (Item : Enum; |
| Width : Field := Default_Width; |
| Set : Type_Set := Default_Setting) |
| is |
| begin |
| Put (Current_Out, Item, Width, Set); |
| end Put; |
| |
| procedure Put |
| (To : out String; |
| Item : Enum; |
| Set : Type_Set := Default_Setting) |
| is |
| begin |
| -- Ensure that Item is valid before attempting to retrieve the Image, to |
| -- prevent the possibility of out-of-bounds addressing of index or image |
| -- tables. Units in the run-time library are normally compiled with |
| -- checks suppressed, which includes instantiated generics. |
| |
| if not Item'Valid then |
| raise Constraint_Error with "invalid enumeration value"; |
| end if; |
| |
| Aux.Puts (To, Enum'Image (Item), Set); |
| end Put; |
| |
| end Ada.Text_IO.Enumeration_IO; |
