OpenASIP 2.2
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Model.cc
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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 Model.cc
26 *
27 * Definition of Model class.
28 *
29 * @author Tommi Rantanen 2003 (tommi.rantanen-no.spam-tut.fi)
30 */
31
32#include "Application.hh"
33#include "Model.hh"
34#include "ModelConstants.hh"
35#include "Machine.hh"
36#include "ADFSerializer.hh"
37#include "ModelObserver.hh"
38#include "ImmediateUnit.hh"
39#include "Socket.hh"
40#include "Bus.hh"
41#include "FUPort.hh"
42#include "Port.hh"
43#include "Segment.hh"
44#include "Guard.hh"
45#include "ProDe.hh"
46#include "ProDeOptions.hh"
47
48using namespace TTAMachine;
49
50/**
51 * The Constructor.
52 */
53Model::Model() : machine_(new Machine()), undone_(NULL), modified_(false) {
54}
55
56
57/**
58 * The Destructor.
59 */
61 // delete machine object states in the undo stack
62 while (undoStack_.size() != 0) {
63 Machine* machine = undoStack_.front();
64 undoStack_.pop_front();
65 delete machine;
66 }
67}
68
69
70/**
71 * The Constructor.
72 *
73 * Creates model from a specified file.
74 *
75 * @param fileName The file name of the machine description to open.
76 */
77Model::Model(const std::string& fileName) : undone_(NULL), modified_(false) {
78 // read Machine from fileName and set it to machine_
79 ADFSerializer reader;
80 reader.setSourceFile(fileName);
81 machine_ = reader.readMachine();
82}
83
84/**
85 * Returns the Machine.
86 */
89 return machine_;
90}
91
92
93/**
94 * Restores Machine to the state before the last modification.
95 */
96void
98
99 // delete redo cache
100 if (undone_ != NULL) {
101 delete undone_;
102 undone_ = NULL;
103 }
104
105 // add machine to the redo cache before undo
106 undone_ = new Machine(*machine_);
107
108 // pop last machine from the undo stack and set is as the machine
109 // and set machine as modified.
110 popFromStack(true);
111}
112
113
114/**
115 * Redoes last undoed modification.
116 */
117void
119
120 assert (undone_ != NULL);
121
122 Machine* undone = undone_;
123 undone_ = NULL;
124
125 // push machine to the undo stack before redoing
126 pushToStack();
127
128 // replace machine from the redo cache
129 if (machine_ != NULL) {
130 delete machine_;
131 }
132
133 machine_ = undone;
135}
136
137/**
138 * Adds an observer for this Model.
139 *
140 * @param observer The observer to add.
141 */
142void
144 observers_.push_back(observer);
145}
146
147
148/**
149 * Notifies all observers of this Model to update themselves.
150 */
151void
153 if (modified) {
154 modified_ = true;
155 }
156 for (ObserverTable::iterator i = observers_.begin();
157 i != observers_.end(); i++) {
158 (*i)->update();
159 }
160}
161
162
163/**
164 * Pushes the current machine to the undo stack.
165 */
166void
168
169 // Redo is not available after modifications, clear redo cache
170 if (undone_ != NULL) {
171 delete undone_;
172 undone_ = NULL;
173 }
174
175 // if undo stack size is at maximum, delete oldest machine from the stack
176 while (undoStack_.size() > 0 &&
177 undoStack_.size() >=
178 unsigned(wxGetApp().options()->undoStackSize())) {
179
180 Machine* last = undoStack_.back();
181 undoStack_.pop_back();
182 delete last;
183 }
184
185 // push copy of the current machine to the undo stack
186 undoStack_.push_front(new Machine(*machine_));
187}
188
189
190/**
191 * Replaces the current machine with the one that is in the top of the
192 * undo stack.
193 */
194void
195Model::popFromStack(bool modified) {
196
197 if (machine_ != NULL) {
198 delete machine_;
199 }
200
201 machine_ = undoStack_.front();
202 undoStack_.pop_front();
203 notifyObservers(modified);
204}
205
206
207/**
208 * Returns true if the undo stack is not empty.
209 *
210 * @return True, if the undo stack is not empty.
211 */
212bool
214 if (undoStack_.size() > 0) {
215 return true;
216 }
217 return false;
218}
219
220
221
222/**
223 * Returns true if the last undone command can be redone.
224 *
225 * @return True, if the last undone command can be redone.
226 */
227bool
229 if (undone_ != NULL) {
230 return true;
231 }
232 return false;
233}
#define assert(condition)
TTAMachine::Machine * machine
the architecture definition of the estimated processor
find Finds info of the inner loops in the false
static MachInfoCmdLineOptions options
Definition MachInfo.cc:46
TTAMachine::Machine * readMachine()
void addObserver(ModelObserver *observer)
Definition Model.cc:143
bool modified_
Definition Model.hh:94
void pushToStack()
Definition Model.cc:167
void notifyObservers(bool modified=true)
Definition Model.cc:152
void undo()
Definition Model.cc:97
TTAMachine::Machine * machine_
Machine assigned for this Model. Singleton within a Model.
Definition Model.hh:73
void redo()
Definition Model.cc:118
UndoStack undoStack_
Definition Model.hh:90
bool canUndo()
Definition Model.cc:213
bool canRedo()
Definition Model.cc:228
ObserverTable observers_
Model observers.
Definition Model.hh:79
void popFromStack(bool modified=false)
Definition Model.cc:195
TTAMachine::Machine * getMachine()
Definition Model.cc:88
~Model()
Definition Model.cc:60
Model()
Definition Model.cc:53
TTAMachine::Machine * undone_
Undone modification cache for the redo funciton.
Definition Model.hh:92
void setSourceFile(const std::string &fileName)