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How to use __code__ method in Slash
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test_bytecode_modification.py
Source:test_bytecode_modification.py 
1import dis2import sys3import unittest4from io import StringIO5from _pydevd_frame_eval.pydevd_modify_bytecode import insert_code6TRACE_MESSAGE = "Trace called"7def tracing():8 print(TRACE_MESSAGE)9def call_tracing():10 tracing()11def bar(a, b):12 return a + b13IS_PY36 = sys.version_info[0] == 3 and sys.version_info[1] == 614@unittest.skipIf(not IS_PY36, reason='Test requires Python 3.6')15class TestInsertCode(unittest.TestCase):16 lines_separator = "---Line tested---"17 def check_insert_every_line(self, func_to_modify, func_to_insert, number_of_lines):18 first_line = func_to_modify.__code__.co_firstlineno + 119 last_line = first_line + number_of_lines20 for i in range(first_line, last_line):21 self.check_insert_to_line_with_exec(func_to_modify, func_to_insert, i)22 print(self.lines_separator)23 def check_insert_to_line_with_exec(self, func_to_modify, func_to_insert, line_number):24 code_orig = func_to_modify.__code__25 code_to_insert = func_to_insert.__code__26 success, result = insert_code(code_orig, code_to_insert, line_number)27 exec(result)28 output = sys.stdout.getvalue().strip().split(self.lines_separator)[-1]29 self.assertTrue(TRACE_MESSAGE in output)30 def check_insert_to_line_by_symbols(self, func_to_modify, func_to_insert, line_number, code_for_check):31 code_orig = func_to_modify.__code__32 code_to_insert = func_to_insert.__code__33 success, result = insert_code(code_orig, code_to_insert, line_number)34 self.compare_bytes_sequence(list(result.co_code), list(code_for_check.co_code))35 def compare_bytes_sequence(self, code1, code2):36 seq1 = [(offset, op, arg) for offset, op, arg in dis._unpack_opargs(code1)]37 seq2 = [(offset, op, arg) for offset, op, arg in dis._unpack_opargs(code2)]38 self.assertTrue(len(seq1) == len(seq2), "Bytes sequences have different lengths")39 for i in range(len(seq1)):40 of, op1, arg1 = seq1[i]41 _, op2, arg2 = seq2[i]42 self.assertEqual(op1, op2, "Different operators at offset {}".format(of))43 if arg1 != arg2:44 if op1 in (100, 101, 106, 116):45 # Sometimes indexes of variable names and consts may be different, when we insert them, it's ok46 continue47 else:48 self.assertEquals(arg1, arg2, "Different arguments at offset {}".format(of))49 def test_assignment(self):50 self.original_stdout = sys.stdout51 sys.stdout = StringIO()52 try:53 def original():54 a = 155 b = 256 c = 357 self.check_insert_every_line(original, tracing, 3)58 finally:59 sys.stdout = self.original_stdout60 def test_for_loop(self):61 self.original_stdout = sys.stdout62 sys.stdout = StringIO()63 try:64 def original():65 n = 366 sum = 067 for i in range(n):68 sum += i69 return sum70 self.check_insert_every_line(original, tracing, 5)71 finally:72 sys.stdout = self.original_stdout73 def test_if(self):74 self.original_stdout = sys.stdout75 sys.stdout = StringIO()76 try:77 def original():78 if True:79 a = 180 else:81 a = 082 print(a)83 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 2)84 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 5)85 finally:86 sys.stdout = self.original_stdout87 def test_else(self):88 self.original_stdout = sys.stdout89 sys.stdout = StringIO()90 try:91 def original():92 if False:93 a = 194 else:95 a = 096 print(a)97 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 4)98 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 5)99 finally:100 sys.stdout = self.original_stdout101 def test_for_else(self):102 self.original_stdout = sys.stdout103 sys.stdout = StringIO()104 try:105 def original():106 sum = 0107 for i in range(3):108 sum += i109 else:110 print(sum)111 def check_line_1():112 tracing()113 sum = 0114 for i in range(3):115 sum += i116 else:117 print(sum)118 def check_line_3():119 sum = 0120 for i in range(3):121 tracing()122 sum += i123 else:124 print(sum)125 def check_line_5():126 sum = 0127 for i in range(3):128 sum += i129 else:130 tracing()131 print(sum)132 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 1)133 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 3)134 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 5)135 sys.stdout = self.original_stdout136 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 1,137 check_line_1.__code__)138 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 3,139 check_line_3.__code__)140 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 5,141 check_line_5.__code__)142 finally:143 sys.stdout = self.original_stdout144 def test_elif(self):145 self.original_stdout = sys.stdout146 sys.stdout = StringIO()147 try:148 def original():149 a = 5150 b = 0151 if a < 0:152 print("a < 0")153 elif a < 3:154 print("a < 3")155 else:156 print("a >= 3")157 b = a158 return b159 def check_line_1():160 tracing()161 a = 5162 b = 0163 if a < 0:164 print("a < 0")165 elif a < 3:166 print("a < 3")167 else:168 print("a >= 3")169 b = a170 return b171 def check_line_8():172 a = 5173 b = 0174 if a < 0:175 print("a < 0")176 elif a < 3:177 print("a < 3")178 else:179 tracing()180 print("a >= 3")181 b = a182 return b183 def check_line_9():184 a = 5185 b = 0186 if a < 0:187 print("a < 0")188 elif a < 3:189 print("a < 3")190 else:191 print("a >= 3")192 tracing()193 b = a194 return b195 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 1)196 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 2)197 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 8)198 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 9)199 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 1,200 check_line_1.__code__)201 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 8,202 check_line_8.__code__)203 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 9,204 check_line_9.__code__)205 finally:206 sys.stdout = self.original_stdout207 def test_call_other_function(self):208 self.original_stdout = sys.stdout209 sys.stdout = StringIO()210 try:211 def original():212 a = 1213 b = 3214 c = bar(a, b)215 return c216 def check_line_3():217 a = 1218 b = 3219 tracing()220 c = bar(a, b)221 return c222 def check_line_4():223 a = 1224 b = 3225 c = bar(a, b)226 tracing()227 return c228 self.check_insert_every_line(original, tracing, 4)229 sys.stdout = self.original_stdout230 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 3,231 check_line_3.__code__)232 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 4,233 check_line_4.__code__)234 finally:235 sys.stdout = self.original_stdout236 def test_class_method(self):237 self.original_stdout = sys.stdout238 sys.stdout = StringIO()239 try:240 class A(object):241 @staticmethod242 def foo():243 print("i'm in foo")244 @staticmethod245 def check_line_2():246 tracing()247 print("i'm in foo")248 original = A.foo249 self.check_insert_to_line_with_exec(original, tracing, original.__code__.co_firstlineno + 2)250 self.check_insert_to_line_by_symbols(original, call_tracing, original.__code__.co_firstlineno + 2,251 A.check_line_2.__code__)252 finally:253 sys.stdout = self.original_stdout254 def test_offset_overflow(self):255 self.original_stdout = sys.stdout256 sys.stdout = StringIO()257 try:258 def foo():259 a = 1260 b = 2 # breakpoint261 c = 3262 a1 = 1 if a > 1 else 2263 a2 = 1 if a > 1 else 2264 a3 = 1 if a > 1 else 2265 a4 = 1 if a > 1 else 2266 a5 = 1 if a > 1 else 2267 a6 = 1 if a > 1 else 2268 a7 = 1 if a > 1 else 2269 a8 = 1 if a > 1 else 2270 a9 = 1 if a > 1 else 2271 a10 = 1 if a > 1 else 2272 a11 = 1 if a > 1 else 2273 a12 = 1 if a > 1 else 2274 a13 = 1 if a > 1 else 2275 for i in range(1):276 if a > 0:277 print("111")278 # a = 1279 else:280 print("222")281 return b282 def check_line_2():283 a = 1284 tracing()285 b = 2286 c = 3287 a1 = 1 if a > 1 else 2288 a2 = 1 if a > 1 else 2289 a3 = 1 if a > 1 else 2290 a4 = 1 if a > 1 else 2291 a5 = 1 if a > 1 else 2292 a6 = 1 if a > 1 else 2293 a7 = 1 if a > 1 else 2294 a8 = 1 if a > 1 else 2295 a9 = 1 if a > 1 else 2296 a10 = 1 if a > 1 else 2297 a11 = 1 if a > 1 else 2298 a12 = 1 if a > 1 else 2299 a13 = 1 if a > 1 else 2300 for i in range(1):301 if a > 0:302 print("111")303 # a = 1304 else:305 print("222")306 return b307 self.check_insert_to_line_with_exec(foo, tracing, foo.__code__.co_firstlineno + 2)308 self.check_insert_to_line_by_symbols(foo, call_tracing, foo.__code__.co_firstlineno + 2,309 check_line_2.__code__)310 finally:311 sys.stdout = self.original_stdout312 def test_long_lines(self):313 self.original_stdout = sys.stdout314 sys.stdout = StringIO()315 try:316 def foo():317 a = 1318 b = 1 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23319 c = 1 if b > 1 else 2 if b > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23320 d = 1 if c > 1 else 2 if c > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23321 e = d + 1322 return e323 def check_line_2():324 a = 1325 tracing()326 b = 1 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23327 c = 1 if b > 1 else 2 if b > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23328 d = 1 if c > 1 else 2 if c > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23 if a > 1 else 2 if a > 0 else 3 if a > 4 else 23329 e = d + 1330 return e331 self.check_insert_to_line_with_exec(foo, tracing, foo.__code__.co_firstlineno + 2)332 sys.stdout = self.original_stdout333 self.check_insert_to_line_by_symbols(foo, call_tracing, foo.__code__.co_firstlineno + 2,334 check_line_2.__code__)335 finally:336 sys.stdout = self.original_stdout337 def test_many_names(self):338 self.original_stdout = sys.stdout339 sys.stdout = StringIO()340 try:341 from tests_pydevd_python._bytecode_many_names_example import foo342 self.check_insert_to_line_with_exec(foo, tracing, foo.__code__.co_firstlineno + 2)343 finally:344 sys.stdout = self.original_stdout345 def test_extended_arg_overflow(self):346 from tests_pydevd_python._bytecode_overflow_example import Dummy, DummyTracing347 self.check_insert_to_line_by_symbols(Dummy.fun, call_tracing, Dummy.fun.__code__.co_firstlineno + 3,348 DummyTracing.fun.__code__)349 def test_double_extended_arg(self):350 self.original_stdout = sys.stdout351 sys.stdout = StringIO()352 try:353 def foo():354 a = 1355 b = 2356 if b > 0:357 d = a + b358 d += 1359 b = b - 1 if a > 0 else b + 1360 b = b - 1 if a > 0 else b + 1361 b = b - 1 if a > 0 else b + 1362 b = b - 1 if a > 0 else b + 1363 b = b - 1 if a > 0 else b + 1364 b = b - 1 if a > 0 else b + 1365 b = b - 1 if a > 0 else b + 1366 b = b - 1 if a > 0 else b + 1367 b = b - 1 if a > 0 else b + 1368 b = b - 1 if a > 0 else b + 1369 b = b - 1 if a > 0 else b + 1370 b = b - 1 if a > 0 else b + 1371 b = b - 1 if a > 0 else b + 1372 b = b - 1 if a > 0 else b + 1373 b = b - 1 if a > 0 else b + 1374 b = b - 1 if a > 0 else b + 1375 b = b - 1 if a > 0 else b + 1376 b = b - 1 if a > 0 else b + 1377 b = b - 1 if a > 0 else b + 1378 a = a + 1379 return a380 def foo_check():381 a = 1382 b = 2383 tracing()384 if b > 0:385 d = a + b386 d += 1387 b = b - 1 if a > 0 else b + 1388 b = b - 1 if a > 0 else b + 1389 b = b - 1 if a > 0 else b + 1390 b = b - 1 if a > 0 else b + 1391 b = b - 1 if a > 0 else b + 1392 b = b - 1 if a > 0 else b + 1393 b = b - 1 if a > 0 else b + 1394 b = b - 1 if a > 0 else b + 1395 b = b - 1 if a > 0 else b + 1396 b = b - 1 if a > 0 else b + 1397 b = b - 1 if a > 0 else b + 1398 b = b - 1 if a > 0 else b + 1399 b = b - 1 if a > 0 else b + 1400 b = b - 1 if a > 0 else b + 1401 b = b - 1 if a > 0 else b + 1402 b = b - 1 if a > 0 else b + 1403 b = b - 1 if a > 0 else b + 1404 b = b - 1 if a > 0 else b + 1405 b = b - 1 if a > 0 else b + 1406 a = a + 1407 return a408 self.check_insert_to_line_with_exec(foo, tracing, foo.__code__.co_firstlineno + 2)409 sys.stdout = self.original_stdout410 self.check_insert_to_line_by_symbols(foo, call_tracing, foo.__code__.co_firstlineno + 3,411 foo_check.__code__)412 finally:...
compiler.py
Source:compiler.py
1"""2 (c) Tivole3 Compiler for 'Turing Code'4"""5# Libraries6import copy7__code__ = open('turing_code.txt', 'r')8__lines__ = __code__.readlines()9__lines_backend__ = copy.deepcopy(__lines__)10# Removing empty lines11while '\n' in __lines__:12 __lines__.remove('\n')13# Checking for symbols ';', ',', '->', '{' and '}'14__passed_lines__ = 015__checked_codes__ = []16for __i__ in range(len(__lines__)):17 __passed_lines__ += 118 if '#' in __lines__[__i__]:19 __checking_line__ = __lines__[__i__][:__lines__[__i__].find('#')]20 if __checking_line__ == '':21 __passed_lines__ -= 122 continue23 else:24 __checking_line__ = __lines__[__i__]25 # Check for symbol ';'26 assert ';' in __checking_line__, f'(!) Compilation Error. Missing \';\' in line {__lines_backend__.index(__lines__[__i__]) + 1}'27 28 if __passed_lines__ >= 5:29 # Check for symbol '->'30 assert '->' in __checking_line__, f'(!) Compilation Error. Missing \'->\' in line {__lines_backend__.index(__lines__[__i__]) + 1}'31 32 # Check for symbol ','33 assert __checking_line__.count(',') == 3, f'(!) Compilation Error. Invalid syntax in line {__lines_backend__.index(__lines__[__i__]) + 1}'34 # Check for unkown commands35 __unknown_command__ = __checking_line__[__checking_line__.find(';') + 1:].replace('\n', '')36 assert __checking_line__[__checking_line__.find(';') + 1:].replace(' ', '').replace('\n', '') in '', f'(!) Compilation Error. Unkown command \'{__unknown_command__}\' in line {__lines_backend__.index(__lines__[__i__]) + 1}'37 38 # Check for double commands39 assert not __checking_line__.replace('\n', '') in __checked_codes__, f'(!) Compilation Error. Doubled Turing code in line {__lines_backend__.index(__lines__[__i__]) + 1}'40 __checked_codes__.append(__checking_line__.replace('\n', ''))41 else:42 assert '{' in __checking_line__, '(!) Compilation Error. Missing \'{\'' + f' in line {__lines_backend__.index(__lines__[__i__]) + 1}'43 assert '}' in __checking_line__, '(!) Compilation Error. Missing \'}\'' + f' in line {__lines_backend__.index(__lines__[__i__]) + 1}'44# Removing commentaries for compiling45for __i__ in range(len(__lines__)):46 if '#' in __lines__[__i__]:47 if __lines__[__i__].find('#') > 0:48 __lines__[__i__] = __lines__[__i__][:__lines__[__i__].find('#')]49 else:50 __lines__[__i__] = '\n'51# Removing unnecessary symbols for compiling52for __i__ in range(len(__lines__)):53 # Removing ' '54 if ' ' in __lines__[__i__]:55 __lines__[__i__] = __lines__[__i__].replace(' ', '')56 # Removing '\n'57 if '\n' in __lines__[__i__]:58 __lines__[__i__] = __lines__[__i__].replace('\n', '')59# Removing empty lines60while '' in __lines__:61 __lines__.remove('')62# Checking Alphabet63assert 'ALPHABET' in __lines__[0], '(!) Compilation Error. ALPHABET is missing!'64# Checking Empty symbol65assert 'EMPTY' in __lines__[1], '(!) Compilation Error. Empty symbol (\'EMPTY\') is missing!'66# Checking START_STATE and STOP_STATE 67assert 'START_STATE' in __lines__[2], '(!) Compilation Error. START_STATE is missing!'68assert 'STOP_STATE' in __lines__[3], '(!) Compilation Error. STOP_STATE is missing!'69# Reading Alphabet70__ALPHABET__ = __lines__[0][__lines__[0].find('{') + 1:__lines__[0].find('}')].replace(' ', '').split(',')71# Reading Empty symbol72__EMPTY__ = __lines__[1][__lines__[1].find('{') + 1:__lines__[1].find('}')].replace(' ', '').split(',')[0]73if __lines__[1][__lines__[1].find('{') + 1:__lines__[1].find('}')].count(',') == 1:74 __NUMBER_OF_EMPTY__ = int(__lines__[1][__lines__[1].find('{') + 1:__lines__[1].find('}')].replace(' ', '').split(',')[1])75else:76 __NUMBER_OF_EMPTY__ = 2577# Readding START_STATE and STOP_STATE78__START_STATE__ = __lines__[2][__lines__[2].find('{') + 1:__lines__[2].find('}')].replace(' ', '')79__STOP_STATE__ = __lines__[3][__lines__[3].find('{') + 1:__lines__[3].find('}')].replace(' ', '')80# Checking EMPTY symbol81assert __EMPTY__ in __ALPHABET__, f'(!) Compilation Error. Empty symbol \'{__EMPTY__}\' is not found in ALPHABET.'82# Reading codes83__CODE__ = []84for __i__ in range(4, len(__lines__)):85 __CODE__.append(tuple(__lines__[__i__][:__lines__[__i__].find(';')].replace(' ', '').replace('->', ',').split(',')))86# Checking is all symbols from ALPHABET87for __i__ in range(len(__CODE__)):88 assert __CODE__[__i__][1] in __ALPHABET__, f'(!) Compilation Error. Symbol \'{__CODE__[__i__][1]}\' not found in the ALPHABET.'89 assert __CODE__[__i__][3] in __ALPHABET__, f'(!) Compilation Error. Symbol \'{__CODE__[__i__][3]}\' not found in the ALPHABET.'90 assert __CODE__[__i__][4] in ['L', 'R', 'S'], f'(!) Compilation Error. Symbol \'{__CODE__[__i__][4]}\' is unknown. Use only L, R or S.'91# Checking is all states defined92for __i__ in range(len(__CODE__)):93 if __CODE__[__i__][2] != __STOP_STATE__:94 assert __CODE__[__i__][2] in [__CODE__[__j__][0] for __j__ in range(len(__CODE__))], f'(!) Compilation Error. Udefined state \'{__CODE__[__i__][2]}\''95# Checking is __START_STATE__ defined96assert __START_STATE__ in [__CODE__[__j__][0] for __j__ in range(len(__CODE__))], f'(!) Compilation Error. Start state \'{__START_STATE__}\' is undefined.'97def get_empty_symbol():98 return __EMPTY__99def Turing_Machine(Sequence_INPUT):100 """101 Function to program Turing Machine code.102 """103 # Checking INPUT Sequence104 for c in Sequence_INPUT:105 assert c in __ALPHABET__, f'(!) Compilation Error. Unknown symbol \'{c}\' in input data. Check ALPHABET.'106 Sequence_INPUT = list(__EMPTY__ * __NUMBER_OF_EMPTY__ + Sequence_INPUT + __EMPTY__ * __NUMBER_OF_EMPTY__)107 Sequence = copy.deepcopy(Sequence_INPUT)108 109 state = __START_STATE__110 # Put the machine_arrow in the right place111 machine_arrow = 0112 while Sequence_INPUT[machine_arrow] == __EMPTY__:113 machine_arrow += 1114 Sequences_OUTPUT = []115 Sequences_OUTPUT.append([copy.deepcopy(Sequence_INPUT), state, machine_arrow, ''])116 TM_STOP = False117 while not TM_STOP:118 Find = False119 for i in range(len(__CODE__)):120 STOP = False121 if state == __CODE__[i][0] and Sequence[machine_arrow] == __CODE__[i][1]:122 Find = True123 Sequence[machine_arrow] = __CODE__[i][3]124 state = __CODE__[i][2]125 if __CODE__[i][4] == 'R':126 machine_arrow += 1 # Go RIGHT127 elif __CODE__[i][4] == 'L':128 machine_arrow -= 1 # Go LEFT129 elif __CODE__[i][4] == 'S':130 machine_arrow = machine_arrow # STOP131 STOP = True132 break133 if not Find:134 assert Find, f'(!) Compilation Error. Undefined action for state=\'{state}\' and symbol \'{Sequence[machine_arrow]}\'.'135 break136 Sequences_OUTPUT.append([copy.deepcopy(Sequence), state, machine_arrow, __CODE__[i][4]])137 if state == __STOP_STATE__ and STOP == True:138 TM_STOP = True...
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