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author | charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-09 11:14:42 +0000 |
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committer | charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-09 11:14:42 +0000 |
commit | 7ce1e9473ed905b0abcbe66b2fef2c81c8e3cffa (patch) | |
tree | fc2c56125c477bf3312555b0de2bc5a1860ba895 /gcc/ada/a-ztdeau.adb | |
parent | 661a91eca8edc1eb8d2516f867db70a441df2bcf (diff) | |
download | gcc-7ce1e9473ed905b0abcbe66b2fef2c81c8e3cffa.tar.gz |
* a-rbtgso.adb, a-crbtgo.ads, a-crbtgo.adb, a-crbtgk.ads,
a-crbtgk.adb, a-crbltr.ads, a-coprnu.ads, a-coprnu.adb,
a-coorse.ads, a-coorse.adb, a-convec.ads, a-convec.adb,
a-contai.ads, a-coinve.ads, a-coinve.adb, a-cohata.ads,
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a-cgarso.ads, a-cgarso.adb, a-cdlili.ads, a-cdlili.adb,
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a-cihase.ads, a-cohase.adb, a-cohase.ads, a-ciorma.ads,
a-coorma.ads, a-swunha.ads, a-stunha.ads, a-ciormu.ads,
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a-ztcoio.ads, a-ztcstr.adb, a-ztcstr.ads, a-ztdeau.adb,
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a-ztenio.ads, a-ztexio.adb, a-ztexio.ads, a-ztfiio.adb,
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a-ztflio.ads, a-ztgeau.adb, a-ztgeau.ads, a-ztinau.adb,
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a-ztmoau.ads, a-ztmoio.adb, a-ztmoio.ads, a-zttest.adb,
a-zttest.ads, a-zzunio.ads: New files. Part of new Ada 2005
library.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94764 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/a-ztdeau.adb')
-rw-r--r-- | gcc/ada/a-ztdeau.adb | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/gcc/ada/a-ztdeau.adb b/gcc/ada/a-ztdeau.adb new file mode 100644 index 00000000000..c20d7ad4260 --- /dev/null +++ b/gcc/ada/a-ztdeau.adb @@ -0,0 +1,260 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- A D A . W I D E _ W I D E _ T E X T _ I O . D E C I M A L _ A U X -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2005 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with Ada.Wide_Wide_Text_IO.Generic_Aux; use Ada.Wide_Wide_Text_IO.Generic_Aux; +with Ada.Wide_Wide_Text_IO.Float_Aux; use Ada.Wide_Wide_Text_IO.Float_Aux; + +with System.Img_Dec; use System.Img_Dec; +with System.Img_LLD; use System.Img_LLD; +with System.Val_Dec; use System.Val_Dec; +with System.Val_LLD; use System.Val_LLD; + +package body Ada.Wide_Wide_Text_IO.Decimal_Aux is + + ------------- + -- Get_Dec -- + ------------- + + function Get_Dec + (File : File_Type; + Width : Field; + Scale : Integer) return Integer + is + Buf : String (1 .. Field'Last); + Ptr : aliased Integer; + Stop : Integer := 0; + Item : Integer; + + begin + if Width /= 0 then + Load_Width (File, Width, Buf, Stop); + String_Skip (Buf, Ptr); + else + Load_Real (File, Buf, Stop); + Ptr := 1; + end if; + + Item := Scan_Decimal (Buf, Ptr'Access, Stop, Scale); + Check_End_Of_Field (Buf, Stop, Ptr, Width); + return Item; + end Get_Dec; + + ------------- + -- Get_LLD -- + ------------- + + function Get_LLD + (File : File_Type; + Width : Field; + Scale : Integer) return Long_Long_Integer + is + Buf : String (1 .. Field'Last); + Ptr : aliased Integer; + Stop : Integer := 0; + Item : Long_Long_Integer; + + begin + if Width /= 0 then + Load_Width (File, Width, Buf, Stop); + String_Skip (Buf, Ptr); + else + Load_Real (File, Buf, Stop); + Ptr := 1; + end if; + + Item := Scan_Long_Long_Decimal (Buf, Ptr'Access, Stop, Scale); + Check_End_Of_Field (Buf, Stop, Ptr, Width); + return Item; + end Get_LLD; + + -------------- + -- Gets_Dec -- + -------------- + + function Gets_Dec + (From : String; + Last : access Positive; + Scale : Integer) return Integer + is + Pos : aliased Integer; + Item : Integer; + + begin + String_Skip (From, Pos); + Item := Scan_Decimal (From, Pos'Access, From'Last, Scale); + Last.all := Pos - 1; + return Item; + + exception + when Constraint_Error => + Last.all := Pos - 1; + raise Data_Error; + + end Gets_Dec; + + -------------- + -- Gets_LLD -- + -------------- + + function Gets_LLD + (From : String; + Last : access Positive; + Scale : Integer) return Long_Long_Integer + is + Pos : aliased Integer; + Item : Long_Long_Integer; + + begin + String_Skip (From, Pos); + Item := Scan_Long_Long_Decimal (From, Pos'Access, From'Last, Scale); + Last.all := Pos - 1; + return Item; + + exception + when Constraint_Error => + Last.all := Pos - 1; + raise Data_Error; + + end Gets_LLD; + + ------------- + -- Put_Dec -- + ------------- + + procedure Put_Dec + (File : File_Type; + Item : Integer; + Fore : Field; + Aft : Field; + Exp : Field; + Scale : Integer) + is + Buf : String (1 .. Field'Last); + Ptr : Natural := 0; + + begin + Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp); + Put_Item (File, Buf (1 .. Ptr)); + end Put_Dec; + + ------------- + -- Put_LLD -- + ------------- + + procedure Put_LLD + (File : File_Type; + Item : Long_Long_Integer; + Fore : Field; + Aft : Field; + Exp : Field; + Scale : Integer) + is + Buf : String (1 .. Field'Last); + Ptr : Natural := 0; + + begin + Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp); + Put_Item (File, Buf (1 .. Ptr)); + end Put_LLD; + + -------------- + -- Puts_Dec -- + -------------- + + procedure Puts_Dec + (To : out String; + Item : Integer; + Aft : Field; + Exp : Field; + Scale : Integer) + is + Buf : String (1 .. Field'Last); + Fore : Integer; + Ptr : Natural := 0; + + begin + if Exp = 0 then + Fore := To'Length - 1 - Aft; + else + Fore := To'Length - 2 - Aft - Exp; + end if; + + if Fore < 1 then + raise Layout_Error; + end if; + + Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp); + + if Ptr > To'Length then + raise Layout_Error; + else + To := Buf (1 .. Ptr); + end if; + end Puts_Dec; + + -------------- + -- Puts_Dec -- + -------------- + + procedure Puts_LLD + (To : out String; + Item : Long_Long_Integer; + Aft : Field; + Exp : Field; + Scale : Integer) + is + Buf : String (1 .. Field'Last); + Fore : Integer; + Ptr : Natural := 0; + + begin + if Exp = 0 then + Fore := To'Length - 1 - Aft; + else + Fore := To'Length - 2 - Aft - Exp; + end if; + + if Fore < 1 then + raise Layout_Error; + end if; + + Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp); + + if Ptr > To'Length then + raise Layout_Error; + else + To := Buf (1 .. Ptr); + end if; + end Puts_LLD; + +end Ada.Wide_Wide_Text_IO.Decimal_Aux; |