-- --
-- S p e c --
-- --
--- Copyright (C) 1992,1993,1994,1995,1996 Free Software Foundation, Inc. --
+-- 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 2, or (at your option) any later ver- --
+-- 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. 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, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- 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. --
+-- 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. --
-- This package provides some common utilities used by the s-valxxx files
package System.Val_Util is
-pragma Pure (Val_Util);
+ pragma Pure;
procedure Normalize_String
(S : in out String;
procedure Scan_Sign
(Str : String;
- Ptr : access Integer;
+ Ptr : not null access Integer;
Max : Integer;
Minus : out Boolean;
Start : out Positive);
-- is greater than Max as required in this case. Constraint_Error is
-- also raised in this case.
+ procedure Scan_Plus_Sign
+ (Str : String;
+ Ptr : not null access Integer;
+ Max : Integer;
+ Start : out Positive);
+ -- Same as Scan_Sign, but allows only plus, not minus.
+ -- This is used for modular types.
+
function Scan_Exponent
(Str : String;
- Ptr : access Integer;
+ Ptr : not null access Integer;
Max : Integer;
- Real : Boolean := False)
- return Integer;
+ Real : Boolean := False) return Integer;
-- Called to scan a possible exponent. Str, Ptr, Max are as described above
-- for Scan_Sign. If Ptr.all < Max and Str (Ptr.all) = 'E' or 'e', then an
-- exponent is scanned out, with the exponent value returned in Exp, and
procedure Scan_Underscore
(Str : String;
P : in out Natural;
- Ptr : access Integer;
+ Ptr : not null access Integer;
Max : Integer;
Ext : Boolean);
-- Called if an underscore is encountered while scanning digits. Str (P)
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