-
Notifications
You must be signed in to change notification settings - Fork 0
/
ABMSimulator2.java
473 lines (418 loc) · 19.2 KB
/
ABMSimulator2.java
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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Stack;
public class ABMSimulator2 extends JFrame {
// UI components.
private JMenuBar mb = new JMenuBar();
private JMenu menu_file = new JMenu("FILE");
private JMenu menu_run = new JMenu("Run");
private JMenuItem item_open = new JMenuItem("Open");
private JMenuItem item_close = new JMenuItem("Close");
private JMenuItem item_compile = new JMenuItem("Compile");
private JTextArea text_area_source = new JTextArea();
private JTextArea text_area_result = new JTextArea();
private JTextArea text_area_source1 = new JTextArea();
private JTextArea text_area_result1 = new JTextArea();
private JLabel identification = new JLabel("");
private JScrollPane text_source, text_result;
private JScrollPane text_source1, text_result1;
private static HashMap<String, Object> pubMemory = new HashMap<>();
private ArrayList<String> pubAddressMemory = new ArrayList<>();
private HashMap<String, String> pubAddressMemoryTemp = new HashMap<>();
// Simulator cores
ABMSimulatorCore core1, core2;
private class ABMSimulatorCore {
private JTextArea sourceArea;
private JTextArea outputArea;
private ArrayList<String> arr_list = new ArrayList<String>();
private ArrayList<String> result = new ArrayList<String>();
private Stack<String> stackstorage = new Stack<String>();
private HashMap<String, Integer> hmap = new HashMap<>();
private HashMap<String, Integer> hmap1 = new HashMap<>();
public ABMSimulatorCore(JTextArea sourceArea, JTextArea outputArea) {
this.sourceArea = sourceArea;
this.outputArea = outputArea;
}
private void loadAbmFile(File file) {
try {
BufferedReader br = new BufferedReader(new FileReader(file));
String st;
while ((st = br.readLine()) != null) {
this.sourceArea.append(st + "\n");
this.arr_list.add(st);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void runCommands() {
outputArea.setText("");
result.clear();
boolean par_pass = false;
boolean par_ret = false;
boolean use_hmap1 = false;
int curr = 0;
while (true) {
if (curr == arr_list.size())
break;
String instruction = arr_list.get(curr).trim();
if (instruction.length() > 4 && instruction.substring(0, 4).equals("push")) {
stackstorage.push(instruction.substring(5, instruction.length()));
}
if (instruction.length() > 6 && instruction.substring(0, 6).equals("lvalue")) {
stackstorage.push(instruction.substring(7, instruction.length()));
}
if (instruction.length() > 6 && instruction.substring(0, 6).equals("rvalue")) {
if (use_hmap1 == false && par_ret == false) {
if (hmap.containsKey(instruction.substring(7, instruction.length())))
stackstorage.push(Integer.toString(hmap.get(instruction.substring(7, instruction.length()))));
else
stackstorage.push("0");
} else if (use_hmap1 == false && par_ret == true) {
if (hmap1.containsKey(instruction.substring(7, instruction.length())))
stackstorage.push(Integer.toString(hmap1.get(instruction.substring(7, instruction.length()))));
else
stackstorage.push("0");
} else {
if (hmap1.containsKey(instruction.substring(7, instruction.length())))
stackstorage.push(Integer.toString(hmap1.get(instruction.substring(7, instruction.length()))));
else
stackstorage.push("0");
}
}
if (instruction.equals("pop")) {
stackstorage.pop();
}
if (instruction.equals("copy")) {
stackstorage.push(stackstorage.peek());
}
if (instruction.equals(":=")) {
int value = Integer.parseInt(stackstorage.pop());
String key = stackstorage.pop();
if (pubAddressMemoryTemp.containsKey(key)) {
hmap.put(pubAddressMemoryTemp.get(key), value);
} else {
if (par_pass == true || use_hmap1 == true) {
if (hmap1.containsKey(key)) {
hmap1.remove(key);
hmap1.put(key, value);
} else
hmap1.put(key, value);
} else {
if (hmap.containsKey(key)) {
hmap.remove(key);
hmap.put(key, value);
} else
hmap.put(key, value);
}
}
}
if (instruction.length() > 4 && instruction.substring(0, 4).equals("goto")) {
// Identifier after goto
String identification = instruction.substring(5, instruction.length());
// Search label identifier
for (int j = 0; j < arr_list.size(); j++) {
String inst = arr_list.get(j).trim();
if (!inst.contains("label")) continue;
if (inst.split(" ").length >= 1 && inst.split(" ")[1].equals(identification)) {
curr = j;
break;
}
}
curr++;
continue;
}
if (instruction.length() > 7 && instruction.substring(0, 7).equals("gofalse")) {
int value = Integer.parseInt(stackstorage.pop());
if (value == 0) {
String identification = instruction.substring(8, instruction.length());
for (int j = 0; j < arr_list.size(); j++) {
String inst = arr_list.get(j).trim();
if (!inst.contains("label")) continue;
if (inst.split(" ").length >= 1 && inst.split(" ")[1].equals(identification)) {
curr = j;
break;
}
}
}
curr++;
continue;
}
if (instruction.length() > 6 && instruction.substring(0, 6).equals("gotrue")) {
int value = Integer.parseInt(stackstorage.pop());
if (value != 0) {
String identification = instruction.substring(7, instruction.length());
for (int j = 0; j < arr_list.size(); j++) {
String inst = arr_list.get(j).trim();
if (!inst.contains("label")) continue;
if (inst.split(" ").length >= 1 && inst.split(" ")[1].equals(identification)) {
curr = j;
break;
}
}
}
curr++;
continue;
}
if (instruction.equals("halt")) {
break;
}
if (instruction.equals("show")) {
result.add("\n");
}
if (instruction.length() > 4 && instruction.substring(0, 4).equals("show")) {
result.add(instruction.substring(5, instruction.length()) + "\n");
}
if (instruction.equals("print")) {
result.add(stackstorage.peek() + "\n");
}
if (instruction.length() > 4 && instruction.substring(0, 4).equals("call")) {
stackstorage.push(Integer.toString(curr));
String identification = instruction.substring(5, instruction.length());
for (int j = 0; j < arr_list.size(); j++) {
String inst = arr_list.get(j);
if (!inst.contains("label")) continue;
if (inst.split(" ").length >= 1 && inst.split(" ")[1].equals(identification)) {
curr = j;
break;
}
}
use_hmap1 = true;
par_pass = false;
continue;
}
//performs the operation and returns the value
if (instruction.equals("return")) {
use_hmap1 = false;
par_ret = true;
curr = Integer.parseInt(stackstorage.pop());
}
if (instruction.equals("&")) {
int v1 = Integer.parseInt(stackstorage.pop());
int v2 = Integer.parseInt(stackstorage.pop());
stackstorage.push(Integer.toString(booleanPrimitiveToInt(v1 != 0 && v2 != 0)));
}
if (instruction.equals("|")) {
int v1 = Integer.parseInt(stackstorage.pop());
int v2 = Integer.parseInt(stackstorage.pop());
stackstorage.push(Integer.toString(booleanPrimitiveToInt(v1 != 0 || v2 != 0)));
}
if (instruction.equals("!")) {
int value = Integer.parseInt(stackstorage.pop());
if (value == 0)
stackstorage.push("0");
else
stackstorage.push("1");
}
if (instruction.equals("<>")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
if (v1 == v2)
stackstorage.push("0");
else
stackstorage.push("1");
}
if (instruction.equals(">=")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
if (v1 >= v2)
stackstorage.push("1");
else
stackstorage.push("0");
}
if (instruction.equals("<=")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
if (v1 <= v2)
stackstorage.push("1");
else
stackstorage.push("0");
}
if (instruction.equals("<")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
if (v1 < v2)
stackstorage.push("1");
else
stackstorage.push("0");
}
if (instruction.equals(">")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
if (v1 > v2)
stackstorage.push("1");
else
stackstorage.push("0");
}
if (instruction.equals("=")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
if (v1 == v2)
stackstorage.push("1");
else
stackstorage.push("0");
}
if (instruction.equals("+")) {
int v2 = Integer.parseInt(stackstorage.pop());
String v1 = (stackstorage.pop());
for (int i = 0; i < pubAddressMemory.size(); i++) {
if (pubAddressMemory.get(i).equals(v1)) {
String addr = pubAddressMemory.get(i + v2);
stackstorage.push(addr);
}
}
}
if (instruction.equals("-")) {
int v2 = Integer.parseInt(stackstorage.pop());
String v1 = (stackstorage.pop());
for (int i = 0; i < pubAddressMemory.size(); i++) {
if (pubAddressMemory.get(i).equals(v1)) {
String addr = pubAddressMemory.get(i - v2);
stackstorage.push(addr);
}
}
}
if (instruction.equals("*")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
stackstorage.push(Integer.toString(v1 * v2));
}
if (instruction.equals("/")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
stackstorage.push(Integer.toString(v1 / v2));
}
if (instruction.equals("div")) {
int v2 = Integer.parseInt(stackstorage.pop());
int v1 = Integer.parseInt(stackstorage.pop());
stackstorage.push(Integer.toString(v1 % v2));
}
if (instruction.equals("begin")) {
par_pass = true;
}
if (instruction.equals("end")) {
par_ret = false;
hmap1.clear();
}
// Version 2
// if this value is true then following variables stored in public memory
boolean dataFlag = false;
if (instruction.startsWith(".data")) {
dataFlag = true;
}
if (instruction.startsWith(".text")) {
dataFlag = false;
}
if (instruction.equals(":&")) {
String key1 = stackstorage.pop();
String key2 = stackstorage.pop();
pubAddressMemoryTemp.put(key2, key1);
}
if (instruction.startsWith(".int")) {
String content = instruction.substring(4);
String[] contents = content.split(" ");
for (String item : contents) {
if (item.trim().equals("")) continue;
pubAddressMemory.add(item.trim());
}
}
curr++;
}
for (int j = 0; j < result.size(); j++) {
outputArea.append(result.get(j) + "\n");
}
}
}
public ABMSimulator2() {
super("ABM Simulator");
// Creating the MenuBar and adding components
mb.add(menu_file);
mb.add(menu_run);
menu_file.add(item_open);
menu_file.add(item_close);
menu_run.add(item_compile);
text_source = new JScrollPane(text_area_source, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
text_result = new JScrollPane(text_area_result, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
mb.setBounds(0, 0, 600, 30);
text_source.setBounds(10, 40, 270, 500);
text_result.setBounds(310, 40, 270, 500);
text_source1 = new JScrollPane(text_area_source1, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
text_result1 = new JScrollPane(text_area_result1, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
mb.setBounds(0, 0, 600, 30);
text_source1.setBounds(610, 40, 270, 500);
text_result1.setBounds(910, 40, 270, 500);
// Create two ABMSimulator cores.
core1 = new ABMSimulatorCore(text_area_source, text_area_result);
core2 = new ABMSimulatorCore(text_area_source1, text_area_result1);
item_open.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent evt) {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setCurrentDirectory(new File(System.getProperty("user.home")));
fileChooser.addChoosableFileFilter(new FileNameExtensionFilter("ABM Files", "abm"));
// Core 1
int result = fileChooser.showOpenDialog(ABMSimulator2.this);
if (result == JFileChooser.APPROVE_OPTION) {
File selectedFile = fileChooser.getSelectedFile();
core1.loadAbmFile(selectedFile);
}
// Core 2
result = fileChooser.showOpenDialog(ABMSimulator2.this);
if (result == JFileChooser.APPROVE_OPTION) {
File selectedFile = fileChooser.getSelectedFile();
core2.loadAbmFile(selectedFile);
}
}
});
item_close.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
}
});
item_compile.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new Thread(() -> {
core1.runCommands();
}).run();
new Thread(() -> {
core2.runCommands();
}).run();
}
});
this.setSize(1200, 600);
this.getContentPane().add(mb);
this.getContentPane().add(text_source);
this.getContentPane().add(text_result);
this.getContentPane().add(text_source1);
this.getContentPane().add(text_result1);
this.getContentPane().add(identification);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public int booleanPrimitiveToInt(boolean foo) {
int bar = 0;
if (foo) {
bar = 1;
}
return bar;
}
public static void main(String args[]) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new ABMSimulator2().setVisible(true);
}
});
}
}