| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . T E X T _ I O . D E C I M A L _ I O -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2020-2022, 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 Interfaces; |
| with Ada.Text_IO.Decimal_Aux; |
| with System.Img_Decimal_32; use System.Img_Decimal_32; |
| with System.Img_Decimal_64; use System.Img_Decimal_64; |
| with System.Img_Decimal_128; use System.Img_Decimal_128; |
| with System.Val_Decimal_32; use System.Val_Decimal_32; |
| with System.Val_Decimal_64; use System.Val_Decimal_64; |
| with System.Val_Decimal_128; use System.Val_Decimal_128; |
| |
| package body Ada.Text_IO.Decimal_IO is |
| |
| subtype Int32 is Interfaces.Integer_32; |
| subtype Int64 is Interfaces.Integer_64; |
| subtype Int128 is Interfaces.Integer_128; |
| |
| package Aux32 is new |
| Ada.Text_IO.Decimal_Aux |
| (Int32, |
| Scan_Decimal32, |
| Set_Image_Decimal32); |
| |
| package Aux64 is new |
| Ada.Text_IO.Decimal_Aux |
| (Int64, |
| Scan_Decimal64, |
| Set_Image_Decimal64); |
| |
| package Aux128 is new |
| Ada.Text_IO.Decimal_Aux |
| (Int128, |
| Scan_Decimal128, |
| Set_Image_Decimal128); |
| |
| Need64 : constant Boolean := Num'Size > 32; |
| Need128 : constant Boolean := Num'Size > 64; |
| -- Throughout this generic body, we distinguish between the case where type |
| -- Int32 is acceptable, where type Int64 is acceptable and where an Int128 |
| -- is needed. These boolean constants are used to test for these cases and |
| -- since it is a constant, only code for the relevant case will be included |
| -- in the instance. |
| |
| Scale : constant Integer := Num'Scale; |
| |
| --------- |
| -- Get -- |
| --------- |
| |
| procedure Get |
| (File : File_Type; |
| Item : out Num; |
| Width : Field := 0) |
| is |
| pragma Unsuppress (Range_Check); |
| |
| begin |
| if Need128 then |
| Item := Num'Fixed_Value (Aux128.Get (File, Width, Scale)); |
| elsif Need64 then |
| Item := Num'Fixed_Value (Aux64.Get (File, Width, Scale)); |
| else |
| Item := Num'Fixed_Value (Aux32.Get (File, Width, Scale)); |
| end if; |
| |
| exception |
| when Constraint_Error => raise Data_Error; |
| end Get; |
| |
| procedure Get |
| (Item : out Num; |
| Width : Field := 0) |
| is |
| begin |
| Get (Current_In, Item, Width); |
| end Get; |
| |
| procedure Get |
| (From : String; |
| Item : out Num; |
| Last : out Positive) |
| is |
| pragma Unsuppress (Range_Check); |
| |
| begin |
| if Need128 then |
| Item := Num'Fixed_Value (Aux128.Gets (From, Last, Scale)); |
| elsif Need64 then |
| Item := Num'Fixed_Value (Aux64.Gets (From, Last, Scale)); |
| else |
| Item := Num'Fixed_Value (Aux32.Gets (From, Last, Scale)); |
| end if; |
| |
| exception |
| when Constraint_Error => raise Data_Error; |
| end Get; |
| |
| --------- |
| -- Put -- |
| --------- |
| |
| procedure Put |
| (File : File_Type; |
| Item : Num; |
| Fore : Field := Default_Fore; |
| Aft : Field := Default_Aft; |
| Exp : Field := Default_Exp) |
| is |
| begin |
| if Need128 then |
| Aux128.Put |
| (File, Int128'Integer_Value (Item), Fore, Aft, Exp, Scale); |
| elsif Need64 then |
| Aux64.Put |
| (File, Int64'Integer_Value (Item), Fore, Aft, Exp, Scale); |
| else |
| Aux32.Put |
| (File, Int32'Integer_Value (Item), Fore, Aft, Exp, Scale); |
| end if; |
| end Put; |
| |
| procedure Put |
| (Item : Num; |
| Fore : Field := Default_Fore; |
| Aft : Field := Default_Aft; |
| Exp : Field := Default_Exp) |
| is |
| begin |
| Put (Current_Out, Item, Fore, Aft, Exp); |
| end Put; |
| |
| procedure Put |
| (To : out String; |
| Item : Num; |
| Aft : Field := Default_Aft; |
| Exp : Field := Default_Exp) |
| is |
| begin |
| if Need128 then |
| Aux128.Puts (To, Int128'Integer_Value (Item), Aft, Exp, Scale); |
| elsif Need64 then |
| Aux64.Puts (To, Int64'Integer_Value (Item), Aft, Exp, Scale); |
| else |
| Aux32.Puts (To, Int32'Integer_Value (Item), Aft, Exp, Scale); |
| end if; |
| end Put; |
| |
| end Ada.Text_IO.Decimal_IO; |
