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171 | -- Abstract:
--
-- Stuff that could be in Interfaces, but isn't.
--
-- Copyright (C) 2004 - 2007, 2009 - 2011 Stephen Leake. All Rights Reserved.
--
-- This library is free software; you can redistribute it and/or
-- modify it under terms of the GNU General Public License as
-- published by the Free Software Foundation; either version 3, or (at
-- your option) any later version. This library is distributed in the
-- hope that it will be useful, but WITHOUT 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 this program; 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.
pragma License (Modified_GPL);
with Ada.Unchecked_Conversion;
with Interfaces;
package SAL.Interfaces_More is
pragma Preelaborate; -- Named access types
function To_Integer_16 is new Ada.Unchecked_Conversion
(Source => Interfaces.Unsigned_16,
Target => Interfaces.Integer_16);
function To_Unsigned_16 is new Ada.Unchecked_Conversion
(Source => Interfaces.Integer_16,
Target => Interfaces.Unsigned_16);
type Natural_8 is range 0 .. 2**8 - 1;
for Natural_8'Size use 8;
type Natural_16 is range 0 .. 2**16 - 1;
for Natural_16'Size use 16;
type Natural_32 is range 0 .. 2**32 - 1;
for Natural_32'Size use 32;
type Unsigned_2 is mod 2**2;
type Unsigned_3 is mod 2**3;
type Unsigned_4 is mod 2**4;
type Unsigned_5 is mod 2**5;
type Unsigned_6 is mod 2**6;
type Unsigned_7 is mod 2**7;
type Unsigned_9 is mod 2**9;
type Unsigned_10 is mod 2**10;
type Unsigned_11 is mod 2**11;
type Unsigned_12 is mod 2**12;
type Unsigned_13 is mod 2**13;
type Unsigned_14 is mod 2**14;
type Unsigned_15 is mod 2**15;
type Unsigned_17 is mod 2**18;
type Unsigned_18 is mod 2**18;
type Unsigned_19 is mod 2**19;
type Unsigned_20 is mod 2**20;
type Unsigned_22 is mod 2**22;
type Unsigned_24 is mod 2**24;
type Unsigned_29 is mod 2**29;
type Unsigned_30 is mod 2**30;
type Unsigned_31 is mod 2**31;
-- auto_text_io: ignore
type Unsigned_8_Access_Type is access all Interfaces.Unsigned_8;
-- auto_text_io: ignore
type Unsigned_16_Access_Type is access all Interfaces.Unsigned_16;
-- auto_text_io: ignore
type Unsigned_32_Access_Type is access all Interfaces.Unsigned_32;
type Unsigned_16_Split_Type is record
High : aliased Interfaces.Unsigned_8;
Low : aliased Interfaces.Unsigned_8;
end record;
for Unsigned_16_Split_Type use record
High at 0 range 8 .. 15;
Low at 0 range 0 .. 7;
end record;
for Unsigned_16_Split_Type'Size use 16;
function To_Unsigned_16 is new Ada.Unchecked_Conversion
(Source => Unsigned_16_Split_Type,
Target => Interfaces.Unsigned_16);
function To_Unsigned_16_Split is new Ada.Unchecked_Conversion
(Source => Interfaces.Unsigned_16,
Target => Unsigned_16_Split_Type);
type Unsigned_32_Split_Type is record
High : aliased Interfaces.Unsigned_16;
Low : aliased Interfaces.Unsigned_16;
end record;
for Unsigned_32_Split_Type use record
High at 0 range 16 .. 31;
Low at 0 range 0 .. 15;
end record;
for Unsigned_32_Split_Type'Size use 32;
function To_Unsigned_32_Split is new Ada.Unchecked_Conversion
(Source => Interfaces.Unsigned_32,
Target => Unsigned_32_Split_Type);
function To_Unsigned_32 is new Ada.Unchecked_Conversion
(Source => Unsigned_32_Split_Type,
Target => Interfaces.Unsigned_32);
type Unsigned_32_Quad_Type is record
High_Byte : aliased Interfaces.Unsigned_8;
Mid_High_Byte : aliased Interfaces.Unsigned_8;
Mid_Low_Byte : aliased Interfaces.Unsigned_8;
Low_Byte : aliased Interfaces.Unsigned_8;
end record;
for Unsigned_32_Quad_Type use record
High_Byte at 0 range 24 .. 31;
Mid_High_Byte at 0 range 16 .. 23;
Mid_Low_Byte at 0 range 8 .. 15;
Low_Byte at 0 range 0 .. 7;
end record;
for Unsigned_32_Quad_Type'Size use 32;
function To_Unsigned_32_Quad is new Ada.Unchecked_Conversion
(Source => Interfaces.Unsigned_32,
Target => Unsigned_32_Quad_Type);
function To_Unsigned_32 is new Ada.Unchecked_Conversion
(Source => Unsigned_32_Quad_Type,
Target => Interfaces.Unsigned_32);
subtype Bit_Index_16_Type is Integer range 0 .. 15;
type Bit_Array_16_Type is array (Bit_Index_16_Type) of Boolean;
pragma Pack (Bit_Array_16_Type);
for Bit_Array_16_Type'Size use 16;
function To_Bit_Array is new Ada.Unchecked_Conversion
(Source => Interfaces.Unsigned_16,
Target => Bit_Array_16_Type);
function To_Unsigned_16 is new Ada.Unchecked_Conversion
(Source => Bit_Array_16_Type,
Target => Interfaces.Unsigned_16);
-- Foo (0) is LSB, Foo (15) is MSB. (on Intel, at least)
function Any (Item : in Bit_Array_16_Type) return Boolean;
subtype Bit_Index_32_Type is Integer range 0 .. 31;
type Bit_Array_32_Type is array (Bit_Index_32_Type) of Boolean;
pragma Pack (Bit_Array_32_Type);
for Bit_Array_32_Type'Size use 32;
function To_Bit_Array is new Ada.Unchecked_Conversion
(Source => Interfaces.Unsigned_32,
Target => Bit_Array_32_Type);
function To_Unsigned_32 is new Ada.Unchecked_Conversion
(Source => Bit_Array_32_Type,
Target => Interfaces.Unsigned_32);
end SAL.Interfaces_More;
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