From 40d7cd0fd78fe2004e2a53c4618c148339b02733 Mon Sep 17 00:00:00 2001 From: Jing Yu Date: Mon, 19 Dec 2011 16:56:54 -0800 Subject: Add gcc-4.6. Synced to @180989 Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439 svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile --- gcc-4.6/gcc/ada/a-ztdeau.adb | 263 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 263 insertions(+) create mode 100644 gcc-4.6/gcc/ada/a-ztdeau.adb (limited to 'gcc-4.6/gcc/ada/a-ztdeau.adb') diff --git a/gcc-4.6/gcc/ada/a-ztdeau.adb b/gcc-4.6/gcc/ada/a-ztdeau.adb new file mode 100644 index 000000000..38450fcb0 --- /dev/null +++ b/gcc-4.6/gcc/ada/a-ztdeau.adb @@ -0,0 +1,263 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME 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) 1992-2009, 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 -- +-- . -- +-- -- +-- 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 : not null 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 : not null 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 + -- Compute Fore, allowing for Aft digits and the decimal dot + + Fore := To'Length - Field'Max (1, Aft) - 1; + + -- Allow for Exp and two more for E+ or E- if exponent present + + if Exp /= 0 then + Fore := Fore - 2 - Exp; + end if; + + -- Make sure we have enough room + + if Fore < 1 then + raise Layout_Error; + end if; + + -- Do the conversion and check length of result + + 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 + Fore := + (if Exp = 0 then To'Length - 1 - Aft else To'Length - 2 - Aft - Exp); + + 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; -- cgit v1.2.3