------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- I N T E R F A C E S -- -- -- -- S p e c -- -- -- -- Copyright (C) 2002-2004 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 additions to thie 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 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. -- -- -- ------------------------------------------------------------------------------ -- Assumes integer sizes of 8, 16, 32 and 64 are available, and that the -- floating-point formats are IEEE compatible. -- Note: There is a specialized version of this package for OpenVMS. package Interfaces is pragma Pure (Interfaces); 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); -- Floating point types. We assume that we are on an IEEE machine, and -- that the types Short_Float and Long_Float in Standard refer to the -- 32-bit short and 64-bit long IEEE forms. Furthermore, if there is -- an extended float, 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_Float_32 is new Short_Float; type IEEE_Float_64 is new Long_Float; type IEEE_Extended_Float is new Long_Long_Float; end Interfaces;