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-- EMACS settings: -*- tab-width: 2;indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2;replace-tabs off;indent-width 2;
-- =============================================================================
-- Authors: Patrick Lehmann
--
-- Package: Protected type implementations.
--
-- Description:
-- -------------------------------------
-- .. TODO:: No documentation available.
--
-- License:
-- =============================================================================
-- Copyright 2007-2016 Technische Universitaet Dresden - Germany,
-- Chair of VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- =============================================================================
library IEEE;
use IEEE.math_real.all;
library PoC;
-- use PoC.my_project.all;
-- use PoC.utils.all;
package ProtectedTypes is
-- protected BOOLEAN implementation
-- ===========================================================================
type P_BOOLEAN is protected
procedure Clear;
procedure Set(Value : boolean := TRUE);
impure function Get return boolean;
impure function Toggle return boolean;
end protected;
-- protected INTEGER implementation
-- ===========================================================================
-- TODO: Mult, Div, Pow, Mod, Rem
type P_INTEGER is protected
procedure Clear;
procedure Set(Value : integer);
impure function Get return integer;
procedure Add(Value : integer);
impure function Add(Value : integer) return integer;
procedure Sub(Value : integer);
impure function Sub(Value : integer) return integer;
end protected;
-- protected NATURAL implementation
-- ===========================================================================
-- TODO: Mult, Div, Pow, Mod, Rem
type P_NATURAL is protected
procedure Clear;
procedure Set(Value : natural);
impure function Get return natural;
procedure Add(Value : natural);
impure function Add(Value : natural) return natural;
procedure Sub(Value : natural);
impure function Sub(Value : natural) return natural;
end protected;
-- protected POSITIVE implementation
-- ===========================================================================
-- TODO: Mult, Div, Pow, Mod, Rem
type P_POSITIVE is protected
procedure Clear;
procedure Set(Value : positive);
impure function Get return positive;
procedure Add(Value : positive);
impure function Add(Value : positive) return positive;
procedure Sub(Value : positive);
impure function Sub(Value : positive) return positive;
end protected;
-- protected REAL implementation
-- ===========================================================================
-- TODO: Round, Mult, Div, Pow, Mod
type P_REAL is protected
procedure Clear;
procedure Set(Value : REAL);
impure function Get return REAL;
procedure Add(Value : REAL);
impure function Add(Value : REAL) return REAL;
procedure Sub(Value : REAL);
impure function Sub(Value : REAL) return REAL;
end protected;
end package;
package body ProtectedTypes is
-- protected BOOLEAN implementation
-- ===========================================================================
type P_BOOLEAN is protected body
variable InnerValue : boolean := FALSE;
procedure Clear is
begin
InnerValue := FALSE;
end procedure;
procedure Set(Value : boolean := TRUE) is
begin
InnerValue := Value;
end procedure;
impure function Get return boolean is
begin
return InnerValue;
end function;
impure function Toggle return boolean is
begin
InnerValue := not InnerValue;
return InnerValue;
end function;
end protected body;
-- protected INTEGER implementation
-- ===========================================================================
type P_INTEGER is protected body
variable InnerValue : integer := 0;
procedure Clear is
begin
InnerValue := 0;
end procedure;
procedure Set(Value : integer) is
begin
InnerValue := Value;
end procedure;
impure function Get return integer is
begin
return InnerValue;
end function;
procedure Add(Value : integer) is
begin
InnerValue := InnerValue + Value;
end procedure;
impure function Add(Value : integer) return integer is
begin
Add(Value);
return InnerValue;
end function;
procedure Sub(Value : integer) is
begin
InnerValue := InnerValue - Value;
end procedure;
impure function Sub(Value : integer) return integer is
begin
Sub(Value);
return InnerValue;
end function;
end protected body;
-- protected NATURAL implementation
-- ===========================================================================
type P_NATURAL is protected body
variable InnerValue : natural := 0;
procedure Clear is
begin
InnerValue := 0;
end procedure;
procedure Set(Value : natural) is
begin
InnerValue := Value;
end procedure;
impure function Get return natural is
begin
return InnerValue;
end function;
procedure Add(Value : natural) is
begin
InnerValue := InnerValue + Value;
end procedure;
impure function Add(Value : natural) return natural is
begin
Add(Value);
return InnerValue;
end function;
procedure Sub(Value : natural) is
begin
InnerValue := InnerValue - Value;
end procedure;
impure function Sub(Value : natural) return natural is
begin
Sub(Value);
return InnerValue;
end function;
end protected body;
-- protected POSITIVE implementation
-- ===========================================================================
type P_POSITIVE is protected body
variable InnerValue : positive := 1;
procedure Clear is
begin
InnerValue := 1;
end procedure;
procedure Set(Value : positive) is
begin
InnerValue := Value;
end procedure;
impure function Get return positive is
begin
return InnerValue;
end function;
procedure Add(Value : positive) is
begin
InnerValue := InnerValue + Value;
end procedure;
impure function Add(Value : positive) return positive is
begin
Add(Value);
return InnerValue;
end function;
procedure Sub(Value : positive) is
begin
InnerValue := InnerValue - Value;
end procedure;
impure function Sub(Value : positive) return positive is
begin
Sub(Value);
return InnerValue;
end function;
end protected body;
-- protected REAL implementation
-- ===========================================================================
type P_REAL is protected body
variable InnerValue : REAL := 0.0;
procedure Clear is
begin
InnerValue := 0.0;
end procedure;
procedure Set(Value : REAL) is
begin
InnerValue := Value;
end procedure;
impure function Get return REAL is
begin
return InnerValue;
end function;
procedure Add(Value : REAL) is
begin
InnerValue := InnerValue + Value;
end procedure;
impure function Add(Value : REAL) return REAL is
begin
Add(Value);
return InnerValue;
end function;
procedure Sub(Value : REAL) is
begin
InnerValue := InnerValue - Value;
end procedure;
impure function Sub(Value : REAL) return REAL is
begin
Sub(Value);
return InnerValue;
end function;
end protected body;
end package body;
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