diff --git a/Grammar/python.gram b/Grammar/python.gram index ac1b4a64f38c75a..d9fc4d658e8ae76 100644 --- a/Grammar/python.gram +++ b/Grammar/python.gram @@ -802,6 +802,7 @@ compare_op_bitwise_or_pair[CmpopExprPair*]: | in_bitwise_or | isnot_bitwise_or | is_bitwise_or + | invalid_eqeqeq eq_bitwise_or[CmpopExprPair*]: '==' a=bitwise_or { _PyPegen_cmpop_expr_pair(p, Eq, a) } noteq_bitwise_or[CmpopExprPair*]: @@ -1316,6 +1317,21 @@ invalid_assignment: "'%s' is an illegal expression for augmented assignment", _PyPegen_get_expr_name(a) )} + | star_expressions a='=' b='<' { + _PyPegen_tokens_are_adjacent(a, b) + ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Maybe you meant '<=' instead of '=<'?") + : NULL + } + | star_expressions a='=' b='>' { + _PyPegen_tokens_are_adjacent(a, b) + ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Maybe you meant '>=' instead of '=>'?") + : NULL + } + | star_expressions a='=' b='!' { + _PyPegen_tokens_are_adjacent(a, b) + ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Maybe you meant '!=' instead of '=!'?") + : NULL + } invalid_ann_assign_target[expr_ty]: | list | tuple @@ -1660,3 +1676,10 @@ invalid_bitwise_or: ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax. Maybe you meant 'or' or '|' instead of '||'?") : NULL } + +invalid_eqeqeq: + | a='==' b='=' { + _PyPegen_tokens_are_adjacent(a, b) + ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Maybe you meant '==' instead of '==='?") + : NULL + } diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index a63042055210c5c..6dc06f9d68a1811 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -3634,6 +3634,34 @@ def test_double_ampersand(self): end_offset=6, ) + def test_triple_equal(self): + self._check_error( + "a === b", + r"Maybe you meant '==' instead of '==='\?", + lineno=1, + end_lineno=1, + offset=3, + end_offset=6, + ) + self._check_error( + "a == = b", + "invalid syntax", + lineno=1, + end_lineno=1, + offset=6, + end_offset=7, + ) + + def test_eq_lt_typo(self): + self._check_error( + "a =< b", + r"Maybe you meant '<=' instead of '=<'\?", + lineno=1, + end_lineno=1, + offset=3, + end_offset=5, + ) + def test_double_pipe(self): self._check_error( "a || b", @@ -3652,6 +3680,26 @@ def test_double_pipe(self): end_offset=6, ) + def test_eq_gt_typo(self): + self._check_error( + "a => b", + r"Maybe you meant '>=' instead of '=>'\?", + lineno=1, + end_lineno=1, + offset=3, + end_offset=5, + ) + + def test_eq_bang_typo(self): + self._check_error( + "a =! b", + r"Maybe you meant '!=' instead of '=!'\?", + lineno=1, + end_lineno=1, + offset=3, + end_offset=5, + ) + class LazyImportRestrictionTestCase(SyntaxErrorTestCase): """Test syntax restrictions for lazy imports.""" diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-06-12-03-41-39.gh-issue-151303.mzlJxi.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-06-12-03-41-39.gh-issue-151303.mzlJxi.rst new file mode 100644 index 000000000000000..299e36978d28471 --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-06-12-03-41-39.gh-issue-151303.mzlJxi.rst @@ -0,0 +1 @@ +Improve :exc:`SyntaxError` messages for common operator typos coming from other languages: ``=<``, ``=>``, and ``=!`` now suggest ``<=``, ``>=``, and ``!=`` respectively, and ``===`` suggests ``==``. diff --git a/Parser/parser.c b/Parser/parser.c index 4f4fd3ed46d1f02..62e55a3407fdddd 100644 --- a/Parser/parser.c +++ b/Parser/parser.c @@ -365,186 +365,187 @@ static char *soft_keywords[] = { #define invalid_type_params_type 1276 #define invalid_bitwise_and_type 1277 // Left-recursive #define invalid_bitwise_or_type 1278 // Left-recursive -#define _loop0_1_type 1279 -#define _loop1_2_type 1280 -#define _loop0_3_type 1281 -#define _gather_4_type 1282 -#define _tmp_5_type 1283 -#define _tmp_6_type 1284 -#define _tmp_7_type 1285 -#define _tmp_8_type 1286 -#define _tmp_9_type 1287 -#define _tmp_10_type 1288 -#define _tmp_11_type 1289 -#define _loop1_12_type 1290 -#define _loop0_13_type 1291 -#define _gather_14_type 1292 -#define _tmp_15_type 1293 -#define _tmp_16_type 1294 -#define _loop0_17_type 1295 -#define _loop1_18_type 1296 -#define _loop0_19_type 1297 -#define _gather_20_type 1298 -#define _tmp_21_type 1299 -#define _loop0_22_type 1300 -#define _gather_23_type 1301 -#define _loop1_24_type 1302 -#define _tmp_25_type 1303 -#define _tmp_26_type 1304 -#define _loop0_27_type 1305 -#define _loop0_28_type 1306 -#define _loop1_29_type 1307 -#define _loop1_30_type 1308 -#define _loop0_31_type 1309 -#define _loop1_32_type 1310 -#define _loop0_33_type 1311 -#define _gather_34_type 1312 -#define _tmp_35_type 1313 -#define _loop1_36_type 1314 -#define _loop1_37_type 1315 -#define _loop1_38_type 1316 -#define _loop0_39_type 1317 -#define _gather_40_type 1318 -#define _tmp_41_type 1319 -#define _tmp_42_type 1320 -#define _tmp_43_type 1321 -#define _loop0_44_type 1322 -#define _gather_45_type 1323 -#define _loop0_46_type 1324 -#define _gather_47_type 1325 -#define _tmp_48_type 1326 -#define _loop0_49_type 1327 -#define _gather_50_type 1328 -#define _loop0_51_type 1329 -#define _gather_52_type 1330 -#define _loop0_53_type 1331 -#define _gather_54_type 1332 -#define _loop1_55_type 1333 -#define _loop1_56_type 1334 -#define _loop0_57_type 1335 -#define _gather_58_type 1336 -#define _loop0_59_type 1337 -#define _gather_60_type 1338 -#define _loop1_61_type 1339 -#define _loop1_62_type 1340 -#define _loop1_63_type 1341 -#define _tmp_64_type 1342 -#define _loop0_65_type 1343 -#define _gather_66_type 1344 -#define _tmp_67_type 1345 -#define _tmp_68_type 1346 -#define _tmp_69_type 1347 -#define _tmp_70_type 1348 -#define _tmp_71_type 1349 -#define _loop0_72_type 1350 -#define _loop0_73_type 1351 -#define _loop1_74_type 1352 -#define _loop1_75_type 1353 -#define _loop0_76_type 1354 -#define _loop1_77_type 1355 -#define _loop0_78_type 1356 -#define _loop0_79_type 1357 -#define _loop0_80_type 1358 -#define _loop0_81_type 1359 -#define _loop1_82_type 1360 -#define _loop1_83_type 1361 -#define _tmp_84_type 1362 -#define _loop0_85_type 1363 -#define _gather_86_type 1364 -#define _loop1_87_type 1365 -#define _loop0_88_type 1366 -#define _tmp_89_type 1367 -#define _loop0_90_type 1368 -#define _gather_91_type 1369 -#define _tmp_92_type 1370 -#define _loop0_93_type 1371 -#define _gather_94_type 1372 -#define _loop0_95_type 1373 -#define _gather_96_type 1374 -#define _loop0_97_type 1375 -#define _loop0_98_type 1376 -#define _gather_99_type 1377 -#define _loop1_100_type 1378 -#define _tmp_101_type 1379 -#define _loop0_102_type 1380 -#define _gather_103_type 1381 -#define _loop0_104_type 1382 -#define _gather_105_type 1383 -#define _tmp_106_type 1384 -#define _tmp_107_type 1385 -#define _loop0_108_type 1386 -#define _gather_109_type 1387 -#define _tmp_110_type 1388 -#define _tmp_111_type 1389 -#define _tmp_112_type 1390 -#define _tmp_113_type 1391 -#define _tmp_114_type 1392 -#define _loop1_115_type 1393 -#define _tmp_116_type 1394 -#define _tmp_117_type 1395 -#define _tmp_118_type 1396 -#define _tmp_119_type 1397 -#define _tmp_120_type 1398 -#define _loop0_121_type 1399 -#define _loop0_122_type 1400 -#define _tmp_123_type 1401 -#define _tmp_124_type 1402 -#define _tmp_125_type 1403 -#define _tmp_126_type 1404 -#define _tmp_127_type 1405 -#define _tmp_128_type 1406 -#define _tmp_129_type 1407 -#define _tmp_130_type 1408 -#define _loop0_131_type 1409 -#define _gather_132_type 1410 -#define _tmp_133_type 1411 -#define _tmp_134_type 1412 -#define _tmp_135_type 1413 -#define _tmp_136_type 1414 -#define _loop0_137_type 1415 -#define _gather_138_type 1416 -#define _tmp_139_type 1417 -#define _loop0_140_type 1418 -#define _gather_141_type 1419 -#define _loop0_142_type 1420 -#define _gather_143_type 1421 -#define _tmp_144_type 1422 -#define _loop0_145_type 1423 -#define _tmp_146_type 1424 -#define _tmp_147_type 1425 -#define _tmp_148_type 1426 -#define _tmp_149_type 1427 -#define _tmp_150_type 1428 -#define _tmp_151_type 1429 -#define _tmp_152_type 1430 -#define _tmp_153_type 1431 -#define _tmp_154_type 1432 -#define _tmp_155_type 1433 -#define _tmp_156_type 1434 -#define _tmp_157_type 1435 -#define _tmp_158_type 1436 -#define _tmp_159_type 1437 -#define _tmp_160_type 1438 -#define _tmp_161_type 1439 -#define _tmp_162_type 1440 -#define _tmp_163_type 1441 -#define _tmp_164_type 1442 -#define _tmp_165_type 1443 -#define _tmp_166_type 1444 -#define _tmp_167_type 1445 -#define _tmp_168_type 1446 -#define _tmp_169_type 1447 -#define _tmp_170_type 1448 -#define _tmp_171_type 1449 -#define _tmp_172_type 1450 -#define _tmp_173_type 1451 -#define _loop0_174_type 1452 -#define _tmp_175_type 1453 -#define _tmp_176_type 1454 -#define _tmp_177_type 1455 -#define _tmp_178_type 1456 -#define _tmp_179_type 1457 -#define _tmp_180_type 1458 +#define invalid_eqeqeq_type 1279 +#define _loop0_1_type 1280 +#define _loop1_2_type 1281 +#define _loop0_3_type 1282 +#define _gather_4_type 1283 +#define _tmp_5_type 1284 +#define _tmp_6_type 1285 +#define _tmp_7_type 1286 +#define _tmp_8_type 1287 +#define _tmp_9_type 1288 +#define _tmp_10_type 1289 +#define _tmp_11_type 1290 +#define _loop1_12_type 1291 +#define _loop0_13_type 1292 +#define _gather_14_type 1293 +#define _tmp_15_type 1294 +#define _tmp_16_type 1295 +#define _loop0_17_type 1296 +#define _loop1_18_type 1297 +#define _loop0_19_type 1298 +#define _gather_20_type 1299 +#define _tmp_21_type 1300 +#define _loop0_22_type 1301 +#define _gather_23_type 1302 +#define _loop1_24_type 1303 +#define _tmp_25_type 1304 +#define _tmp_26_type 1305 +#define _loop0_27_type 1306 +#define _loop0_28_type 1307 +#define _loop1_29_type 1308 +#define _loop1_30_type 1309 +#define _loop0_31_type 1310 +#define _loop1_32_type 1311 +#define _loop0_33_type 1312 +#define _gather_34_type 1313 +#define _tmp_35_type 1314 +#define _loop1_36_type 1315 +#define _loop1_37_type 1316 +#define _loop1_38_type 1317 +#define _loop0_39_type 1318 +#define _gather_40_type 1319 +#define _tmp_41_type 1320 +#define _tmp_42_type 1321 +#define _tmp_43_type 1322 +#define _loop0_44_type 1323 +#define _gather_45_type 1324 +#define _loop0_46_type 1325 +#define _gather_47_type 1326 +#define _tmp_48_type 1327 +#define _loop0_49_type 1328 +#define _gather_50_type 1329 +#define _loop0_51_type 1330 +#define _gather_52_type 1331 +#define _loop0_53_type 1332 +#define _gather_54_type 1333 +#define _loop1_55_type 1334 +#define _loop1_56_type 1335 +#define _loop0_57_type 1336 +#define _gather_58_type 1337 +#define _loop0_59_type 1338 +#define _gather_60_type 1339 +#define _loop1_61_type 1340 +#define _loop1_62_type 1341 +#define _loop1_63_type 1342 +#define _tmp_64_type 1343 +#define _loop0_65_type 1344 +#define _gather_66_type 1345 +#define _tmp_67_type 1346 +#define _tmp_68_type 1347 +#define _tmp_69_type 1348 +#define _tmp_70_type 1349 +#define _tmp_71_type 1350 +#define _loop0_72_type 1351 +#define _loop0_73_type 1352 +#define _loop1_74_type 1353 +#define _loop1_75_type 1354 +#define _loop0_76_type 1355 +#define _loop1_77_type 1356 +#define _loop0_78_type 1357 +#define _loop0_79_type 1358 +#define _loop0_80_type 1359 +#define _loop0_81_type 1360 +#define _loop1_82_type 1361 +#define _loop1_83_type 1362 +#define _tmp_84_type 1363 +#define _loop0_85_type 1364 +#define _gather_86_type 1365 +#define _loop1_87_type 1366 +#define _loop0_88_type 1367 +#define _tmp_89_type 1368 +#define _loop0_90_type 1369 +#define _gather_91_type 1370 +#define _tmp_92_type 1371 +#define _loop0_93_type 1372 +#define _gather_94_type 1373 +#define _loop0_95_type 1374 +#define _gather_96_type 1375 +#define _loop0_97_type 1376 +#define _loop0_98_type 1377 +#define _gather_99_type 1378 +#define _loop1_100_type 1379 +#define _tmp_101_type 1380 +#define _loop0_102_type 1381 +#define _gather_103_type 1382 +#define _loop0_104_type 1383 +#define _gather_105_type 1384 +#define _tmp_106_type 1385 +#define _tmp_107_type 1386 +#define _loop0_108_type 1387 +#define _gather_109_type 1388 +#define _tmp_110_type 1389 +#define _tmp_111_type 1390 +#define _tmp_112_type 1391 +#define _tmp_113_type 1392 +#define _tmp_114_type 1393 +#define _loop1_115_type 1394 +#define _tmp_116_type 1395 +#define _tmp_117_type 1396 +#define _tmp_118_type 1397 +#define _tmp_119_type 1398 +#define _tmp_120_type 1399 +#define _loop0_121_type 1400 +#define _loop0_122_type 1401 +#define _tmp_123_type 1402 +#define _tmp_124_type 1403 +#define _tmp_125_type 1404 +#define _tmp_126_type 1405 +#define _tmp_127_type 1406 +#define _tmp_128_type 1407 +#define _tmp_129_type 1408 +#define _tmp_130_type 1409 +#define _loop0_131_type 1410 +#define _gather_132_type 1411 +#define _tmp_133_type 1412 +#define _tmp_134_type 1413 +#define _tmp_135_type 1414 +#define _tmp_136_type 1415 +#define _loop0_137_type 1416 +#define _gather_138_type 1417 +#define _tmp_139_type 1418 +#define _loop0_140_type 1419 +#define _gather_141_type 1420 +#define _loop0_142_type 1421 +#define _gather_143_type 1422 +#define _tmp_144_type 1423 +#define _loop0_145_type 1424 +#define _tmp_146_type 1425 +#define _tmp_147_type 1426 +#define _tmp_148_type 1427 +#define _tmp_149_type 1428 +#define _tmp_150_type 1429 +#define _tmp_151_type 1430 +#define _tmp_152_type 1431 +#define _tmp_153_type 1432 +#define _tmp_154_type 1433 +#define _tmp_155_type 1434 +#define _tmp_156_type 1435 +#define _tmp_157_type 1436 +#define _tmp_158_type 1437 +#define _tmp_159_type 1438 +#define _tmp_160_type 1439 +#define _tmp_161_type 1440 +#define _tmp_162_type 1441 +#define _tmp_163_type 1442 +#define _tmp_164_type 1443 +#define _tmp_165_type 1444 +#define _tmp_166_type 1445 +#define _tmp_167_type 1446 +#define _tmp_168_type 1447 +#define _tmp_169_type 1448 +#define _tmp_170_type 1449 +#define _tmp_171_type 1450 +#define _tmp_172_type 1451 +#define _tmp_173_type 1452 +#define _loop0_174_type 1453 +#define _tmp_175_type 1454 +#define _tmp_176_type 1455 +#define _tmp_177_type 1456 +#define _tmp_178_type 1457 +#define _tmp_179_type 1458 +#define _tmp_180_type 1459 static mod_ty file_rule(Parser *p); static mod_ty interactive_rule(Parser *p); @@ -825,6 +826,7 @@ static void *invalid_factor_rule(Parser *p); static void *invalid_type_params_rule(Parser *p); static void *invalid_bitwise_and_rule(Parser *p); static void *invalid_bitwise_or_rule(Parser *p); +static void *invalid_eqeqeq_rule(Parser *p); static asdl_seq *_loop0_1_rule(Parser *p); static asdl_seq *_loop1_2_rule(Parser *p); static asdl_seq *_loop0_3_rule(Parser *p); @@ -12854,6 +12856,7 @@ comparison_rule(Parser *p) // | in_bitwise_or // | isnot_bitwise_or // | is_bitwise_or +// | invalid_eqeqeq static CmpopExprPair* compare_op_bitwise_or_pair_rule(Parser *p) { @@ -13056,6 +13059,25 @@ compare_op_bitwise_or_pair_rule(Parser *p) D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ', p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "is_bitwise_or")); } + if (p->call_invalid_rules) { // invalid_eqeqeq + if (p->error_indicator) { + p->level--; + return NULL; + } + D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_eqeqeq")); + void *invalid_eqeqeq_var; + if ( + (invalid_eqeqeq_var = invalid_eqeqeq_rule(p)) // invalid_eqeqeq + ) + { + D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_eqeqeq")); + _res = invalid_eqeqeq_var; + goto done; + } + p->mark = _mark; + D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ', + p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_eqeqeq")); + } _res = NULL; done: p->level--; @@ -22220,6 +22242,9 @@ invalid_named_expression_rule(Parser *p) // | ((star_targets '='))* star_expressions '=' // | ((star_targets '='))* yield_expr '=' // | star_expressions augassign annotated_rhs +// | star_expressions '=' '<' +// | star_expressions '=' '>' +// | star_expressions '=' '!' static void * invalid_assignment_rule(Parser *p) { @@ -22418,6 +22443,96 @@ invalid_assignment_rule(Parser *p) D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ', p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions augassign annotated_rhs")); } + { // star_expressions '=' '<' + if (p->error_indicator) { + p->level--; + return NULL; + } + D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions '=' '<'")); + Token * a; + Token * b; + expr_ty star_expressions_var; + if ( + (star_expressions_var = star_expressions_rule(p)) // star_expressions + && + (a = _PyPegen_expect_token(p, 22)) // token='=' + && + (b = _PyPegen_expect_token(p, 20)) // token='<' + ) + { + D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions '=' '<'")); + _res = _PyPegen_tokens_are_adjacent ( a , b ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "invalid syntax. Maybe you meant '<=' instead of '=<'?" ) : NULL; + if ((_res == NULL || p->error_indicator) && PyErr_Occurred()) { + p->error_indicator = 1; + p->level--; + return NULL; + } + goto done; + } + p->mark = _mark; + D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ', + p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions '=' '<'")); + } + { // star_expressions '=' '>' + if (p->error_indicator) { + p->level--; + return NULL; + } + D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions '=' '>'")); + Token * a; + Token * b; + expr_ty star_expressions_var; + if ( + (star_expressions_var = star_expressions_rule(p)) // star_expressions + && + (a = _PyPegen_expect_token(p, 22)) // token='=' + && + (b = _PyPegen_expect_token(p, 21)) // token='>' + ) + { + D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions '=' '>'")); + _res = _PyPegen_tokens_are_adjacent ( a , b ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "invalid syntax. Maybe you meant '>=' instead of '=>'?" ) : NULL; + if ((_res == NULL || p->error_indicator) && PyErr_Occurred()) { + p->error_indicator = 1; + p->level--; + return NULL; + } + goto done; + } + p->mark = _mark; + D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ', + p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions '=' '>'")); + } + { // star_expressions '=' '!' + if (p->error_indicator) { + p->level--; + return NULL; + } + D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions '=' '!'")); + Token * a; + Token * b; + expr_ty star_expressions_var; + if ( + (star_expressions_var = star_expressions_rule(p)) // star_expressions + && + (a = _PyPegen_expect_token(p, 22)) // token='=' + && + (b = _PyPegen_expect_token(p, 54)) // token='!' + ) + { + D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions '=' '!'")); + _res = _PyPegen_tokens_are_adjacent ( a , b ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "invalid syntax. Maybe you meant '!=' instead of '=!'?" ) : NULL; + if ((_res == NULL || p->error_indicator) && PyErr_Occurred()) { + p->error_indicator = 1; + p->level--; + return NULL; + } + goto done; + } + p->mark = _mark; + D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ', + p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions '=' '!'")); + } _res = NULL; done: p->level--; @@ -28657,6 +28772,52 @@ invalid_bitwise_or_rule(Parser *p) return _res; } +// invalid_eqeqeq: '==' '=' +static void * +invalid_eqeqeq_rule(Parser *p) +{ + if (p->level++ == MAXSTACK || _Py_ReachedRecursionLimitWithMargin(PyThreadState_Get(), 1)) { + _Pypegen_stack_overflow(p); + } + if (p->error_indicator) { + p->level--; + return NULL; + } + void * _res = NULL; + int _mark = p->mark; + { // '==' '=' + if (p->error_indicator) { + p->level--; + return NULL; + } + D(fprintf(stderr, "%*c> invalid_eqeqeq[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'==' '='")); + Token * a; + Token * b; + if ( + (a = _PyPegen_expect_token(p, 27)) // token='==' + && + (b = _PyPegen_expect_token(p, 22)) // token='=' + ) + { + D(fprintf(stderr, "%*c+ invalid_eqeqeq[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'==' '='")); + _res = _PyPegen_tokens_are_adjacent ( a , b ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "invalid syntax. Maybe you meant '==' instead of '==='?" ) : NULL; + if ((_res == NULL || p->error_indicator) && PyErr_Occurred()) { + p->error_indicator = 1; + p->level--; + return NULL; + } + goto done; + } + p->mark = _mark; + D(fprintf(stderr, "%*c%s invalid_eqeqeq[%d-%d]: %s failed!\n", p->level, ' ', + p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'==' '='")); + } + _res = NULL; + done: + p->level--; + return _res; +} + // _loop0_1: NEWLINE static asdl_seq * _loop0_1_rule(Parser *p)