diff gcc/ada/libgnat/a-ztinau.adb @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-ztinau.adb	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,295 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--    A D A . W I D E _ W I D E _ T E X T _ I O . I N T E G E R  _ A U X    --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1992-2017, 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.Wide_Wide_Text_IO.Generic_Aux; use Ada.Wide_Wide_Text_IO.Generic_Aux;
+
+with System.Img_BIU;   use System.Img_BIU;
+with System.Img_Int;   use System.Img_Int;
+with System.Img_LLB;   use System.Img_LLB;
+with System.Img_LLI;   use System.Img_LLI;
+with System.Img_LLW;   use System.Img_LLW;
+with System.Img_WIU;   use System.Img_WIU;
+with System.Val_Int;   use System.Val_Int;
+with System.Val_LLI;   use System.Val_LLI;
+
+package body Ada.Wide_Wide_Text_IO.Integer_Aux is
+
+   -----------------------
+   -- Local Subprograms --
+   -----------------------
+
+   procedure Load_Integer
+     (File : File_Type;
+      Buf  : out String;
+      Ptr  : in out Natural);
+   --  This is an auxiliary routine that is used to load an possibly signed
+   --  integer literal value from the input file into Buf, starting at Ptr + 1.
+   --  On return, Ptr is set to the last character stored.
+
+   -------------
+   -- Get_Int --
+   -------------
+
+   procedure Get_Int
+     (File  : File_Type;
+      Item  : out Integer;
+      Width : Field)
+   is
+      Buf  : String (1 .. Field'Last);
+      Ptr  : aliased Integer := 1;
+      Stop : Integer := 0;
+
+   begin
+      if Width /= 0 then
+         Load_Width (File, Width, Buf, Stop);
+         String_Skip (Buf, Ptr);
+      else
+         Load_Integer (File, Buf, Stop);
+      end if;
+
+      Item := Scan_Integer (Buf, Ptr'Access, Stop);
+      Check_End_Of_Field (Buf, Stop, Ptr, Width);
+   end Get_Int;
+
+   -------------
+   -- Get_LLI --
+   -------------
+
+   procedure Get_LLI
+     (File  : File_Type;
+      Item  : out Long_Long_Integer;
+      Width : Field)
+   is
+      Buf  : String (1 .. Field'Last);
+      Ptr  : aliased Integer := 1;
+      Stop : Integer := 0;
+
+   begin
+      if Width /= 0 then
+         Load_Width (File, Width, Buf, Stop);
+         String_Skip (Buf, Ptr);
+      else
+         Load_Integer (File, Buf, Stop);
+      end if;
+
+      Item := Scan_Long_Long_Integer (Buf, Ptr'Access, Stop);
+      Check_End_Of_Field (Buf, Stop, Ptr, Width);
+   end Get_LLI;
+
+   --------------
+   -- Gets_Int --
+   --------------
+
+   procedure Gets_Int
+     (From : String;
+      Item : out Integer;
+      Last : out Positive)
+   is
+      Pos : aliased Integer;
+
+   begin
+      String_Skip (From, Pos);
+      Item := Scan_Integer (From, Pos'Access, From'Last);
+      Last := Pos - 1;
+
+   exception
+      when Constraint_Error =>
+         raise Data_Error;
+   end Gets_Int;
+
+   --------------
+   -- Gets_LLI --
+   --------------
+
+   procedure Gets_LLI
+     (From : String;
+      Item : out Long_Long_Integer;
+      Last : out Positive)
+   is
+      Pos : aliased Integer;
+
+   begin
+      String_Skip (From, Pos);
+      Item := Scan_Long_Long_Integer (From, Pos'Access, From'Last);
+      Last := Pos - 1;
+
+   exception
+      when Constraint_Error =>
+         raise Data_Error;
+   end Gets_LLI;
+
+   ------------------
+   -- Load_Integer --
+   ------------------
+
+   procedure Load_Integer
+     (File : File_Type;
+      Buf  : out String;
+      Ptr  : in out Natural)
+   is
+      Hash_Loc : Natural;
+      Loaded   : Boolean;
+
+   begin
+      Load_Skip (File);
+      Load (File, Buf, Ptr, '+', '-');
+
+      Load_Digits (File, Buf, Ptr, Loaded);
+
+      if Loaded then
+
+         --  Deal with based case. We recognize either the standard '#' or the
+         --  allowed alternative replacement ':' (see RM J.2(3)).
+
+         Load (File, Buf, Ptr, '#', ':', Loaded);
+
+         if Loaded then
+            Hash_Loc := Ptr;
+            Load_Extended_Digits (File, Buf, Ptr);
+            Load (File, Buf, Ptr, Buf (Hash_Loc));
+         end if;
+
+         Load (File, Buf, Ptr, 'E', 'e', Loaded);
+
+         if Loaded then
+
+            --  Note: it is strange to allow a minus sign, since the syntax
+            --  does not, but that is what ACVC test CE3704F, case (6) wants.
+
+            Load (File, Buf, Ptr, '+', '-');
+            Load_Digits (File, Buf, Ptr);
+         end if;
+      end if;
+   end Load_Integer;
+
+   -------------
+   -- Put_Int --
+   -------------
+
+   procedure Put_Int
+     (File  : File_Type;
+      Item  : Integer;
+      Width : Field;
+      Base  : Number_Base)
+   is
+      Buf : String (1 .. Field'Last);
+      Ptr : Natural := 0;
+
+   begin
+      if Base = 10 and then Width = 0 then
+         Set_Image_Integer (Item, Buf, Ptr);
+      elsif Base = 10 then
+         Set_Image_Width_Integer (Item, Width, Buf, Ptr);
+      else
+         Set_Image_Based_Integer (Item, Base, Width, Buf, Ptr);
+      end if;
+
+      Put_Item (File, Buf (1 .. Ptr));
+   end Put_Int;
+
+   -------------
+   -- Put_LLI --
+   -------------
+
+   procedure Put_LLI
+     (File  : File_Type;
+      Item  : Long_Long_Integer;
+      Width : Field;
+      Base  : Number_Base)
+   is
+      Buf : String (1 .. Field'Last);
+      Ptr : Natural := 0;
+
+   begin
+      if Base = 10 and then Width = 0 then
+         Set_Image_Long_Long_Integer (Item, Buf, Ptr);
+      elsif Base = 10 then
+         Set_Image_Width_Long_Long_Integer (Item, Width, Buf, Ptr);
+      else
+         Set_Image_Based_Long_Long_Integer (Item, Base, Width, Buf, Ptr);
+      end if;
+
+      Put_Item (File, Buf (1 .. Ptr));
+   end Put_LLI;
+
+   --------------
+   -- Puts_Int --
+   --------------
+
+   procedure Puts_Int
+     (To   : out String;
+      Item : Integer;
+      Base : Number_Base)
+   is
+      Buf : String (1 .. Field'Last);
+      Ptr : Natural := 0;
+
+   begin
+      if Base = 10 then
+         Set_Image_Width_Integer (Item, To'Length, Buf, Ptr);
+      else
+         Set_Image_Based_Integer (Item, Base, To'Length, Buf, Ptr);
+      end if;
+
+      if Ptr > To'Length then
+         raise Layout_Error;
+      else
+         To (To'First .. To'First + Ptr - 1) := Buf (1 .. Ptr);
+      end if;
+   end Puts_Int;
+
+   --------------
+   -- Puts_LLI --
+   --------------
+
+   procedure Puts_LLI
+     (To   : out String;
+      Item : Long_Long_Integer;
+      Base : Number_Base)
+   is
+      Buf : String (1 .. Field'Last);
+      Ptr : Natural := 0;
+
+   begin
+      if Base = 10 then
+         Set_Image_Width_Long_Long_Integer (Item, To'Length, Buf, Ptr);
+      else
+         Set_Image_Based_Long_Long_Integer (Item, Base, To'Length, Buf, Ptr);
+      end if;
+
+      if Ptr > To'Length then
+         raise Layout_Error;
+      else
+         To (To'First .. To'First + Ptr - 1) := Buf (1 .. Ptr);
+      end if;
+   end Puts_LLI;
+
+end Ada.Wide_Wide_Text_IO.Integer_Aux;