File : interfac.ads
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- I N T E R F A C E S --
-- --
-- S p e c --
-- --
-- Copyright (C) 2002-2009, Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- apply solely to the implementation dependent sections of this file. --
-- --
-- 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. --
-- --
-- --
-- --
-- --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
package Interfaces is
pragma Pure;
type Integer_8 is range -2 ** 7 .. 2 ** 7 - 1;
for Integer_8'Size use 8;
type Integer_16 is range -2 ** 15 .. 2 ** 15 - 1;
for Integer_16'Size use 16;
type Integer_32 is range -2 ** 31 .. 2 ** 31 - 1;
for Integer_32'Size use 32;
type Integer_64 is range -2 ** 63 .. 2 ** 63 - 1;
for Integer_64'Size use 64;
type Unsigned_8 is mod 2 ** 8;
for Unsigned_8'Size use 8;
type Unsigned_16 is mod 2 ** 16;
for Unsigned_16'Size use 16;
type Unsigned_32 is mod 2 ** 32;
for Unsigned_32'Size use 32;
type Unsigned_64 is mod 2 ** 64;
for Unsigned_64'Size use 64;
function Shift_Left
(Value : Unsigned_8;
Amount : Natural) return Unsigned_8;
function Shift_Right
(Value : Unsigned_8;
Amount : Natural) return Unsigned_8;
function Shift_Right_Arithmetic
(Value : Unsigned_8;
Amount : Natural) return Unsigned_8;
function Rotate_Left
(Value : Unsigned_8;
Amount : Natural) return Unsigned_8;
function Rotate_Right
(Value : Unsigned_8;
Amount : Natural) return Unsigned_8;
function Shift_Left
(Value : Unsigned_16;
Amount : Natural) return Unsigned_16;
function Shift_Right
(Value : Unsigned_16;
Amount : Natural) return Unsigned_16;
function Shift_Right_Arithmetic
(Value : Unsigned_16;
Amount : Natural) return Unsigned_16;
function Rotate_Left
(Value : Unsigned_16;
Amount : Natural) return Unsigned_16;
function Rotate_Right
(Value : Unsigned_16;
Amount : Natural) return Unsigned_16;
function Shift_Left
(Value : Unsigned_32;
Amount : Natural) return Unsigned_32;
function Shift_Right
(Value : Unsigned_32;
Amount : Natural) return Unsigned_32;
function Shift_Right_Arithmetic
(Value : Unsigned_32;
Amount : Natural) return Unsigned_32;
function Rotate_Left
(Value : Unsigned_32;
Amount : Natural) return Unsigned_32;
function Rotate_Right
(Value : Unsigned_32;
Amount : Natural) return Unsigned_32;
function Shift_Left
(Value : Unsigned_64;
Amount : Natural) return Unsigned_64;
function Shift_Right
(Value : Unsigned_64;
Amount : Natural) return Unsigned_64;
function Shift_Right_Arithmetic
(Value : Unsigned_64;
Amount : Natural) return Unsigned_64;
function Rotate_Left
(Value : Unsigned_64;
Amount : Natural) return Unsigned_64;
function Rotate_Right
(Value : Unsigned_64;
Amount : Natural) return Unsigned_64;
pragma Import (Intrinsic, Shift_Left);
pragma Import (Intrinsic, Shift_Right);
pragma Import (Intrinsic, Shift_Right_Arithmetic);
pragma Import (Intrinsic, Rotate_Left);
pragma Import (Intrinsic, Rotate_Right);
-- IEEE Floating point types. Note that the form of these definitions
-- ensures that the work on VMS, even if the standard library is compiled
-- using a Float_Representation pragma for Vax_Float.
pragma Warnings (Off);
-- Turn off warnings for targets not providing IEEE floating-point types
type IEEE_Float_32 is digits 6;
pragma Float_Representation (IEEE_Float, IEEE_Float_32);
type IEEE_Float_64 is digits 15;
pragma Float_Representation (IEEE_Float, IEEE_Float_64);
-- If there is an IEEE extended float available on the machine, we assume
-- that it is available as Long_Long_Float.
-- Note: it is harmless, and explicitly permitted, to include additional
-- types in interfaces, so it is not wrong to have IEEE_Extended_Float
-- defined even if the extended format is not available.
type IEEE_Extended_Float is new Long_Long_Float;
end Interfaces;