OpenASIP 2.2
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BusState.hh
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1/*
2 Copyright (c) 2002-2009 Tampere University.
3
4 This file is part of TTA-Based Codesign Environment (TCE).
5
6 Permission is hereby granted, free of charge, to any person obtaining a
7 copy of this software and associated documentation files (the "Software"),
8 to deal in the Software without restriction, including without limitation
9 the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 and/or sell copies of the Software, and to permit persons to whom the
11 Software is furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
23 */
24/**
25 * @file BusState.hh
26 *
27 * Declaration of BusState class.
28 *
29 * @author Jussi Nyk�nen 2004 (nykanen-no.spam-cs.tut.fi)
30 * @author Pekka J��skel�inen 2006 (pjaaskel-no.spam-cs.tut.fi)
31 * @note rating: red
32 */
33
34#ifndef TTA_BUS_STATE_HH
35#define TTA_BUS_STATE_HH
36
37#include <string>
38
39#include "RegisterState.hh"
40
41//////////////////////////////////////////////////////////////////////////////
42// BusState
43//////////////////////////////////////////////////////////////////////////////
44
45/**
46 * Models the state of the bus.
47 */
48class BusState : public RegisterState {
49public:
50 BusState(int width);
51 virtual ~BusState();
52
53 virtual void setValue(const SimValue& value);
55
56 void clear();
57
58 void setSquashed(bool isSquashed);
59 bool isSquashed() const;
60
61 int width() const;
62
63private:
64 /// Copying not allowed.
66 /// Assignment not allowed.
68
69 /// Name of the bus.
70 std::string name_;
71 /// Width of the bus.
72 int width_;
73 /// True in case this bus was squashed the last time a move was executed
74 /// in this bus.
76};
77
78//////////////////////////////////////////////////////////////////////////////
79// NullBusState
80//////////////////////////////////////////////////////////////////////////////
81
82/**
83 * Models null BusState object.
84 */
85class NullBusState : public BusState {
86public:
87 static NullBusState& instance();
88
89 virtual ~NullBusState();
90
91 virtual void setValue(const SimValue& value);
92 virtual const SimValue& value() const;
93
94private:
96 /// Copying not allowed.
98 /// Assignment not allowed.
100
101 /// Unique instance of NullBusState.
103};
104
105#include "BusState.icc"
106
107#endif
BusState & operator=(const BusState &)
Assignment not allowed.
bool isSquashed() const
Definition BusState.cc:88
bool squashed_
True in case this bus was squashed the last time a move was executed in this bus.
Definition BusState.hh:75
virtual ~BusState()
Definition BusState.cc:57
void setSquashed(bool isSquashed)
Definition BusState.cc:78
void clear()
BusState(const BusState &)
Copying not allowed.
void setValueInlined(const SimValue &value)
int width_
Width of the bus.
Definition BusState.hh:72
virtual void setValue(const SimValue &value)
Definition BusState.cc:68
std::string name_
Name of the bus.
Definition BusState.hh:70
int width() const
Definition BusState.cc:96
static NullBusState * instance_
Unique instance of NullBusState.
Definition BusState.hh:102
NullBusState(const NullBusState &)
Copying not allowed.
virtual ~NullBusState()
Definition BusState.cc:128
virtual const SimValue & value() const
Definition BusState.cc:145
static NullBusState & instance()
Definition BusState.cc:112
virtual void setValue(const SimValue &value)
Definition BusState.cc:135
NullBusState & operator=(const NullBusState &)
Assignment not allowed.
virtual const SimValue & value() const