1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $Id$
*
* */
#ifndef STATEMACHINE_H
#define STATEMACHINE_H
#include "mem/slicc/slicc_global.hh"
#include "mem/gems_common/Vector.hh"
#include "mem/gems_common/Map.hh"
#include "mem/slicc/symbols/Symbol.hh"
class Transition;
class Event;
class State;
class Action;
class Var;
class Func;
class StateMachine : public Symbol {
public:
// Constructors
StateMachine(string ident, const Location& location, const Map<string, string>& pairs);
// Destructor
~StateMachine();
// Public Methods
// Add items to the state machine
// void setMachine(string ident, const Map<string, string>& pairs);
void addState(State* state_ptr);
void addEvent(Event* event_ptr);
void addAction(Action* action_ptr);
void addTransition(Transition* trans_ptr);
void addInPort(Var* var) { m_in_ports.insertAtBottom(var); }
void addFunc(Func* func);
// Accessors to vectors
const State& getState(int index) const { return *m_states[index]; }
const Event& getEvent(int index) const { return *m_events[index]; }
const Action& getAction(int index) const { return *m_actions[index]; }
const Transition& getTransition(int index) const { return *m_transitions[index]; }
const Transition* getTransPtr(int stateIndex, int eventIndex) const;
// Accessors for size of vectors
int numStates() const { return m_states.size(); }
int numEvents() const { return m_events.size(); }
int numActions() const { return m_actions.size(); }
int numTransitions() const { return m_transitions.size(); }
void buildTable(); // Needs to be called before accessing the table
// Code generator methods
void writeCFiles(string path) const;
void writeHTMLFiles(string path) const;
void print(ostream& out) const { out << "[StateMachine: " << toString() << "]" << endl; }
private:
// Private Methods
void checkForDuplicate(const Symbol& sym) const;
int getStateIndex(State* state_ptr) const { return m_state_map.lookup(state_ptr); }
int getEventIndex(Event* event_ptr) const { return m_event_map.lookup(event_ptr); }
// Private copy constructor and assignment operator
// StateMachine(const StateMachine& obj);
// StateMachine& operator=(const StateMachine& obj);
void printControllerH(ostream& out, string component) const;
void printControllerC(ostream& out, string component) const;
void printCWakeup(ostream& out, string component) const;
void printCSwitch(ostream& out, string component) const;
void printProfilerH(ostream& out, string component) const;
void printProfilerC(ostream& out, string component) const;
void printHTMLTransitions(ostream& out, int active_state) const;
// Data Members (m_ prefix)
Vector<State*> m_states;
Vector<Event*> m_events;
Vector<Action*> m_actions;
Vector<Transition*> m_transitions;
Vector<Func*> m_internal_func_vec;
Map<State*, int> m_state_map;
Map<Event*, int> m_event_map;
Vector<Var*> m_in_ports;
// Table variables
bool m_table_built;
Vector<Vector<Transition*> > m_table;
};
// Output operator declaration
ostream& operator<<(ostream& out, const StateMachine& obj);
// ******************* Definitions *******************
// Output operator definition
extern inline
ostream& operator<<(ostream& out, const StateMachine& obj)
{
obj.print(out);
out << flush;
return out;
}
#endif //STATEMACHINE_H
|
