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bpo-34013: Generalize the invalid legacy statement error message (GH-27389)

pull/27392/head
Pablo Galindo Salgado 5 years ago
committed by GitHub
parent
2f54fbafa6
commit
6948964ecf
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 337 additions and 244 deletions
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  1. 7
      Grammar/python.gram
  2. 6
      Lib/test/test_exceptions.py
  3. 3
      Misc/NEWS.d/next/Core and Builtins/2021-07-27-11-14-22.bpo-34013.SjLFe-.rst
  4. 552
      Parser/parser.c
  5. 12
      Parser/pegen.c
  6. 1
      Parser/pegen.h

7
Grammar/python.gram
View File

@ -847,10 +847,15 @@ expression_without_invalid[expr_ty]:
| a=disjunction 'if' b=disjunction 'else' c=expression { _PyAST_IfExp(b, a, c, EXTRA) }
| disjunction
| lambdef
invalid_legacy_expression:
| a=NAME b=expression_without_invalid {
_PyPegen_check_legacy_stmt(p, a) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "Missing parentheses in call to '%U'.", a->v.Name.id) : NULL}
invalid_expression:
| invalid_legacy_expression
# !(NAME STRING) is not matched so we don't show this error with some invalid string prefixes like: kf"dsfsdf"
# Soft keywords need to also be ignored because they can be parsed as NAME NAME
| !(NAME STRING | SOFT_KEYWORD) a=disjunction b=expression_without_invalid {
| !(NAME STRING | SOFT_KEYWORD) a=disjunction b=expression_without_invalid {
RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "invalid syntax. Perhaps you forgot a comma?") }
invalid_named_expression:

6
Lib/test/test_exceptions.py
View File

@ -175,9 +175,15 @@ class ExceptionTests(unittest.TestCase):
ckmsg(s, "Missing parentheses in call to 'print'. "
"Did you mean print(\"old style\", end=\" \")?")
s = 'print f(a+b,c)'
ckmsg(s, "Missing parentheses in call to 'print'.")
s = '''exec "old style"'''
ckmsg(s, "Missing parentheses in call to 'exec'")
s = 'exec f(a+b,c)'
ckmsg(s, "Missing parentheses in call to 'exec'.")
# should not apply to subclasses, see issue #31161
s = '''if True:\nprint "No indent"'''
ckmsg(s, "expected an indented block after 'if' statement on line 1", IndentationError)

3
Misc/NEWS.d/next/Core and Builtins/2021-07-27-11-14-22.bpo-34013.SjLFe-.rst
View File

@ -0,0 +1,3 @@
Generalize the invalid legacy statement custom error message (like the one
generated when "print" is called without parentheses) to include more
generic expressions. Patch by Pablo Galindo

552
Parser/parser.c
View File

@ -252,249 +252,250 @@ static char *soft_keywords[] = {
#define invalid_arguments_type 1178
#define invalid_kwarg_type 1179
#define expression_without_invalid_type 1180
#define invalid_expression_type 1181
#define invalid_named_expression_type 1182
#define invalid_assignment_type 1183
#define invalid_ann_assign_target_type 1184
#define invalid_del_stmt_type 1185
#define invalid_block_type 1186
#define invalid_comprehension_type 1187
#define invalid_dict_comprehension_type 1188
#define invalid_parameters_type 1189
#define invalid_parameters_helper_type 1190
#define invalid_lambda_parameters_type 1191
#define invalid_lambda_parameters_helper_type 1192
#define invalid_star_etc_type 1193
#define invalid_lambda_star_etc_type 1194
#define invalid_double_type_comments_type 1195
#define invalid_with_item_type 1196
#define invalid_for_target_type 1197
#define invalid_group_type 1198
#define invalid_import_from_targets_type 1199
#define invalid_with_stmt_type 1200
#define invalid_with_stmt_indent_type 1201
#define invalid_try_stmt_type 1202
#define invalid_except_stmt_type 1203
#define invalid_finally_stmt_type 1204
#define invalid_except_stmt_indent_type 1205
#define invalid_match_stmt_type 1206
#define invalid_case_block_type 1207
#define invalid_as_pattern_type 1208
#define invalid_class_pattern_type 1209
#define invalid_class_argument_pattern_type 1210
#define invalid_if_stmt_type 1211
#define invalid_elif_stmt_type 1212
#define invalid_else_stmt_type 1213
#define invalid_while_stmt_type 1214
#define invalid_for_stmt_type 1215
#define invalid_def_raw_type 1216
#define invalid_class_def_raw_type 1217
#define invalid_double_starred_kvpairs_type 1218
#define invalid_kvpair_type 1219
#define _loop0_1_type 1220
#define _loop0_2_type 1221
#define _loop0_4_type 1222
#define _gather_3_type 1223
#define _loop0_6_type 1224
#define _gather_5_type 1225
#define _loop0_8_type 1226
#define _gather_7_type 1227
#define _loop0_10_type 1228
#define _gather_9_type 1229
#define _loop1_11_type 1230
#define _loop0_13_type 1231
#define _gather_12_type 1232
#define _tmp_14_type 1233
#define _tmp_15_type 1234
#define _tmp_16_type 1235
#define _tmp_17_type 1236
#define _tmp_18_type 1237
#define _tmp_19_type 1238
#define _tmp_20_type 1239
#define _tmp_21_type 1240
#define _loop1_22_type 1241
#define _tmp_23_type 1242
#define _tmp_24_type 1243
#define _loop0_26_type 1244
#define _gather_25_type 1245
#define _loop0_28_type 1246
#define _gather_27_type 1247
#define _tmp_29_type 1248
#define _tmp_30_type 1249
#define _loop0_31_type 1250
#define _loop1_32_type 1251
#define _loop0_34_type 1252
#define _gather_33_type 1253
#define _tmp_35_type 1254
#define _loop0_37_type 1255
#define _gather_36_type 1256
#define _tmp_38_type 1257
#define _loop0_40_type 1258
#define _gather_39_type 1259
#define _loop0_42_type 1260
#define _gather_41_type 1261
#define _loop0_44_type 1262
#define _gather_43_type 1263
#define _loop0_46_type 1264
#define _gather_45_type 1265
#define _tmp_47_type 1266
#define _loop1_48_type 1267
#define _tmp_49_type 1268
#define _loop1_50_type 1269
#define _loop0_52_type 1270
#define _gather_51_type 1271
#define _tmp_53_type 1272
#define _tmp_54_type 1273
#define _tmp_55_type 1274
#define _tmp_56_type 1275
#define _loop0_58_type 1276
#define _gather_57_type 1277
#define _loop0_60_type 1278
#define _gather_59_type 1279
#define _tmp_61_type 1280
#define _loop0_63_type 1281
#define _gather_62_type 1282
#define _loop0_65_type 1283
#define _gather_64_type 1284
#define _tmp_66_type 1285
#define _tmp_67_type 1286
#define _tmp_68_type 1287
#define _tmp_69_type 1288
#define _loop0_70_type 1289
#define _loop0_71_type 1290
#define _loop0_72_type 1291
#define _loop1_73_type 1292
#define _loop0_74_type 1293
#define _loop1_75_type 1294
#define _loop1_76_type 1295
#define _loop1_77_type 1296
#define _loop0_78_type 1297
#define _loop1_79_type 1298
#define _loop0_80_type 1299
#define _loop1_81_type 1300
#define _loop0_82_type 1301
#define _loop1_83_type 1302
#define _loop1_84_type 1303
#define _tmp_85_type 1304
#define _loop1_86_type 1305
#define _loop0_88_type 1306
#define _gather_87_type 1307
#define _loop1_89_type 1308
#define _loop0_90_type 1309
#define _loop0_91_type 1310
#define _loop0_92_type 1311
#define _loop1_93_type 1312
#define _loop0_94_type 1313
#define _loop1_95_type 1314
#define _loop1_96_type 1315
#define _loop1_97_type 1316
#define _loop0_98_type 1317
#define _loop1_99_type 1318
#define _loop0_100_type 1319
#define _loop1_101_type 1320
#define _loop0_102_type 1321
#define _loop1_103_type 1322
#define _loop1_104_type 1323
#define _loop1_105_type 1324
#define _loop1_106_type 1325
#define _tmp_107_type 1326
#define _loop0_109_type 1327
#define _gather_108_type 1328
#define _tmp_110_type 1329
#define _tmp_111_type 1330
#define _tmp_112_type 1331
#define _tmp_113_type 1332
#define _loop1_114_type 1333
#define _tmp_115_type 1334
#define _tmp_116_type 1335
#define _tmp_117_type 1336
#define _loop0_119_type 1337
#define _gather_118_type 1338
#define _loop1_120_type 1339
#define _loop0_121_type 1340
#define _loop0_122_type 1341
#define _loop0_124_type 1342
#define _gather_123_type 1343
#define _tmp_125_type 1344
#define _loop0_127_type 1345
#define _gather_126_type 1346
#define _loop0_129_type 1347
#define _gather_128_type 1348
#define _loop0_131_type 1349
#define _gather_130_type 1350
#define _loop0_133_type 1351
#define _gather_132_type 1352
#define _loop0_134_type 1353
#define _loop0_136_type 1354
#define _gather_135_type 1355
#define _loop1_137_type 1356
#define _tmp_138_type 1357
#define _loop0_140_type 1358
#define _gather_139_type 1359
#define _tmp_141_type 1360
#define _tmp_142_type 1361
#define _tmp_143_type 1362
#define _tmp_144_type 1363
#define _tmp_145_type 1364
#define _tmp_146_type 1365
#define _loop0_147_type 1366
#define _loop0_148_type 1367
#define _loop0_149_type 1368
#define _tmp_150_type 1369
#define _tmp_151_type 1370
#define _tmp_152_type 1371
#define _tmp_153_type 1372
#define _loop0_154_type 1373
#define _loop1_155_type 1374
#define _loop0_156_type 1375
#define _loop1_157_type 1376
#define _tmp_158_type 1377
#define _tmp_159_type 1378
#define _tmp_160_type 1379
#define _loop0_162_type 1380
#define _gather_161_type 1381
#define _loop0_164_type 1382
#define _gather_163_type 1383
#define _loop0_166_type 1384
#define _gather_165_type 1385
#define _loop0_168_type 1386
#define _gather_167_type 1387
#define _tmp_169_type 1388
#define _tmp_170_type 1389
#define _tmp_171_type 1390
#define _tmp_172_type 1391
#define _tmp_173_type 1392
#define _tmp_174_type 1393
#define _tmp_175_type 1394
#define _loop0_177_type 1395
#define _gather_176_type 1396
#define _tmp_178_type 1397
#define _tmp_179_type 1398
#define _tmp_180_type 1399
#define _tmp_181_type 1400
#define _tmp_182_type 1401
#define _tmp_183_type 1402
#define _tmp_184_type 1403
#define _tmp_185_type 1404
#define _tmp_186_type 1405
#define _tmp_187_type 1406
#define _tmp_188_type 1407
#define _tmp_189_type 1408
#define _tmp_190_type 1409
#define _tmp_191_type 1410
#define _tmp_192_type 1411
#define _tmp_193_type 1412
#define _tmp_194_type 1413
#define _tmp_195_type 1414
#define _tmp_196_type 1415
#define _tmp_197_type 1416
#define _tmp_198_type 1417
#define _tmp_199_type 1418
#define _tmp_200_type 1419
#define _tmp_201_type 1420
#define _tmp_202_type 1421
#define _tmp_203_type 1422
#define _tmp_204_type 1423
#define invalid_legacy_expression_type 1181
#define invalid_expression_type 1182
#define invalid_named_expression_type 1183
#define invalid_assignment_type 1184
#define invalid_ann_assign_target_type 1185
#define invalid_del_stmt_type 1186
#define invalid_block_type 1187
#define invalid_comprehension_type 1188
#define invalid_dict_comprehension_type 1189
#define invalid_parameters_type 1190
#define invalid_parameters_helper_type 1191
#define invalid_lambda_parameters_type 1192
#define invalid_lambda_parameters_helper_type 1193
#define invalid_star_etc_type 1194
#define invalid_lambda_star_etc_type 1195
#define invalid_double_type_comments_type 1196
#define invalid_with_item_type 1197
#define invalid_for_target_type 1198
#define invalid_group_type 1199
#define invalid_import_from_targets_type 1200
#define invalid_with_stmt_type 1201
#define invalid_with_stmt_indent_type 1202
#define invalid_try_stmt_type 1203
#define invalid_except_stmt_type 1204
#define invalid_finally_stmt_type 1205
#define invalid_except_stmt_indent_type 1206
#define invalid_match_stmt_type 1207
#define invalid_case_block_type 1208
#define invalid_as_pattern_type 1209
#define invalid_class_pattern_type 1210
#define invalid_class_argument_pattern_type 1211
#define invalid_if_stmt_type 1212
#define invalid_elif_stmt_type 1213
#define invalid_else_stmt_type 1214
#define invalid_while_stmt_type 1215
#define invalid_for_stmt_type 1216
#define invalid_def_raw_type 1217
#define invalid_class_def_raw_type 1218
#define invalid_double_starred_kvpairs_type 1219
#define invalid_kvpair_type 1220
#define _loop0_1_type 1221
#define _loop0_2_type 1222
#define _loop0_4_type 1223
#define _gather_3_type 1224
#define _loop0_6_type 1225
#define _gather_5_type 1226
#define _loop0_8_type 1227
#define _gather_7_type 1228
#define _loop0_10_type 1229
#define _gather_9_type 1230
#define _loop1_11_type 1231
#define _loop0_13_type 1232
#define _gather_12_type 1233
#define _tmp_14_type 1234
#define _tmp_15_type 1235
#define _tmp_16_type 1236
#define _tmp_17_type 1237
#define _tmp_18_type 1238
#define _tmp_19_type 1239
#define _tmp_20_type 1240
#define _tmp_21_type 1241
#define _loop1_22_type 1242
#define _tmp_23_type 1243
#define _tmp_24_type 1244
#define _loop0_26_type 1245
#define _gather_25_type 1246
#define _loop0_28_type 1247
#define _gather_27_type 1248
#define _tmp_29_type 1249
#define _tmp_30_type 1250
#define _loop0_31_type 1251
#define _loop1_32_type 1252
#define _loop0_34_type 1253
#define _gather_33_type 1254
#define _tmp_35_type 1255
#define _loop0_37_type 1256
#define _gather_36_type 1257
#define _tmp_38_type 1258
#define _loop0_40_type 1259
#define _gather_39_type 1260
#define _loop0_42_type 1261
#define _gather_41_type 1262
#define _loop0_44_type 1263
#define _gather_43_type 1264
#define _loop0_46_type 1265
#define _gather_45_type 1266
#define _tmp_47_type 1267
#define _loop1_48_type 1268
#define _tmp_49_type 1269
#define _loop1_50_type 1270
#define _loop0_52_type 1271
#define _gather_51_type 1272
#define _tmp_53_type 1273
#define _tmp_54_type 1274
#define _tmp_55_type 1275
#define _tmp_56_type 1276
#define _loop0_58_type 1277
#define _gather_57_type 1278
#define _loop0_60_type 1279
#define _gather_59_type 1280
#define _tmp_61_type 1281
#define _loop0_63_type 1282
#define _gather_62_type 1283
#define _loop0_65_type 1284
#define _gather_64_type 1285
#define _tmp_66_type 1286
#define _tmp_67_type 1287
#define _tmp_68_type 1288
#define _tmp_69_type 1289
#define _loop0_70_type 1290
#define _loop0_71_type 1291
#define _loop0_72_type 1292
#define _loop1_73_type 1293
#define _loop0_74_type 1294
#define _loop1_75_type 1295
#define _loop1_76_type 1296
#define _loop1_77_type 1297
#define _loop0_78_type 1298
#define _loop1_79_type 1299
#define _loop0_80_type 1300
#define _loop1_81_type 1301
#define _loop0_82_type 1302
#define _loop1_83_type 1303
#define _loop1_84_type 1304
#define _tmp_85_type 1305
#define _loop1_86_type 1306
#define _loop0_88_type 1307
#define _gather_87_type 1308
#define _loop1_89_type 1309
#define _loop0_90_type 1310
#define _loop0_91_type 1311
#define _loop0_92_type 1312
#define _loop1_93_type 1313
#define _loop0_94_type 1314
#define _loop1_95_type 1315
#define _loop1_96_type 1316
#define _loop1_97_type 1317
#define _loop0_98_type 1318
#define _loop1_99_type 1319
#define _loop0_100_type 1320
#define _loop1_101_type 1321
#define _loop0_102_type 1322
#define _loop1_103_type 1323
#define _loop1_104_type 1324
#define _loop1_105_type 1325
#define _loop1_106_type 1326
#define _tmp_107_type 1327
#define _loop0_109_type 1328
#define _gather_108_type 1329
#define _tmp_110_type 1330
#define _tmp_111_type 1331
#define _tmp_112_type 1332
#define _tmp_113_type 1333
#define _loop1_114_type 1334
#define _tmp_115_type 1335
#define _tmp_116_type 1336
#define _tmp_117_type 1337
#define _loop0_119_type 1338
#define _gather_118_type 1339
#define _loop1_120_type 1340
#define _loop0_121_type 1341
#define _loop0_122_type 1342
#define _loop0_124_type 1343
#define _gather_123_type 1344
#define _tmp_125_type 1345
#define _loop0_127_type 1346
#define _gather_126_type 1347
#define _loop0_129_type 1348
#define _gather_128_type 1349
#define _loop0_131_type 1350
#define _gather_130_type 1351
#define _loop0_133_type 1352
#define _gather_132_type 1353
#define _loop0_134_type 1354
#define _loop0_136_type 1355
#define _gather_135_type 1356
#define _loop1_137_type 1357
#define _tmp_138_type 1358
#define _loop0_140_type 1359
#define _gather_139_type 1360
#define _tmp_141_type 1361
#define _tmp_142_type 1362
#define _tmp_143_type 1363
#define _tmp_144_type 1364
#define _tmp_145_type 1365
#define _tmp_146_type 1366
#define _loop0_147_type 1367
#define _loop0_148_type 1368
#define _loop0_149_type 1369
#define _tmp_150_type 1370
#define _tmp_151_type 1371
#define _tmp_152_type 1372
#define _tmp_153_type 1373
#define _loop0_154_type 1374
#define _loop1_155_type 1375
#define _loop0_156_type 1376
#define _loop1_157_type 1377
#define _tmp_158_type 1378
#define _tmp_159_type 1379
#define _tmp_160_type 1380
#define _loop0_162_type 1381
#define _gather_161_type 1382
#define _loop0_164_type 1383
#define _gather_163_type 1384
#define _loop0_166_type 1385
#define _gather_165_type 1386
#define _loop0_168_type 1387
#define _gather_167_type 1388
#define _tmp_169_type 1389
#define _tmp_170_type 1390
#define _tmp_171_type 1391
#define _tmp_172_type 1392
#define _tmp_173_type 1393
#define _tmp_174_type 1394
#define _tmp_175_type 1395
#define _loop0_177_type 1396
#define _gather_176_type 1397
#define _tmp_178_type 1398
#define _tmp_179_type 1399
#define _tmp_180_type 1400
#define _tmp_181_type 1401
#define _tmp_182_type 1402
#define _tmp_183_type 1403
#define _tmp_184_type 1404
#define _tmp_185_type 1405
#define _tmp_186_type 1406
#define _tmp_187_type 1407
#define _tmp_188_type 1408
#define _tmp_189_type 1409
#define _tmp_190_type 1410
#define _tmp_191_type 1411
#define _tmp_192_type 1412
#define _tmp_193_type 1413
#define _tmp_194_type 1414
#define _tmp_195_type 1415
#define _tmp_196_type 1416
#define _tmp_197_type 1417
#define _tmp_198_type 1418
#define _tmp_199_type 1419
#define _tmp_200_type 1420
#define _tmp_201_type 1421
#define _tmp_202_type 1422
#define _tmp_203_type 1423
#define _tmp_204_type 1424
static mod_ty file_rule(Parser *p);
static mod_ty interactive_rule(Parser *p);
@ -677,6 +678,7 @@ static void *t_lookahead_rule(Parser *p);
static void *invalid_arguments_rule(Parser *p);
static void *invalid_kwarg_rule(Parser *p);
static expr_ty expression_without_invalid_rule(Parser *p);
static void *invalid_legacy_expression_rule(Parser *p);
static void *invalid_expression_rule(Parser *p);
static void *invalid_named_expression_rule(Parser *p);
static void *invalid_assignment_rule(Parser *p);
@ -18156,7 +18158,52 @@ expression_without_invalid_rule(Parser *p)
return _res;
}
// invalid_legacy_expression: NAME expression_without_invalid
static void *
invalid_legacy_expression_rule(Parser *p)
{
D(p->level++);
if (p->error_indicator) {
D(p->level--);
return NULL;
}
void * _res = NULL;
int _mark = p->mark;
{ // NAME expression_without_invalid
if (p->error_indicator) {
D(p->level--);
return NULL;
}
D(fprintf(stderr, "%*c> invalid_legacy_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME expression_without_invalid"));
expr_ty a;
expr_ty b;
if (
(a = _PyPegen_name_token(p)) // NAME
&&
(b = expression_without_invalid_rule(p)) // expression_without_invalid
)
{
D(fprintf(stderr, "%*c+ invalid_legacy_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME expression_without_invalid"));
_res = _PyPegen_check_legacy_stmt ( p , a ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( a , b , "Missing parentheses in call to '%U'." , a -> v . Name . id ) : NULL;
if (_res == NULL && PyErr_Occurred()) {
p->error_indicator = 1;
D(p->level--);
return NULL;
}
goto done;
}
p->mark = _mark;
D(fprintf(stderr, "%*c%s invalid_legacy_expression[%d-%d]: %s failed!\n", p->level, ' ',
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME expression_without_invalid"));
}
_res = NULL;
done:
D(p->level--);
return _res;
}
// invalid_expression:
// | invalid_legacy_expression
// | !(NAME STRING | SOFT_KEYWORD) disjunction expression_without_invalid
static void *
invalid_expression_rule(Parser *p)
@ -18168,6 +18215,25 @@ invalid_expression_rule(Parser *p)
}
void * _res = NULL;
int _mark = p->mark;
if (p->call_invalid_rules) { // invalid_legacy_expression
if (p->error_indicator) {
D(p->level--);
return NULL;
}
D(fprintf(stderr, "%*c> invalid_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_legacy_expression"));
void *invalid_legacy_expression_var;
if (
(invalid_legacy_expression_var = invalid_legacy_expression_rule(p)) // invalid_legacy_expression
)
{
D(fprintf(stderr, "%*c+ invalid_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_legacy_expression"));
_res = invalid_legacy_expression_var;
goto done;
}
p->mark = _mark;
D(fprintf(stderr, "%*c%s invalid_expression[%d-%d]: %s failed!\n", p->level, ' ',
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_legacy_expression"));
}
{ // !(NAME STRING | SOFT_KEYWORD) disjunction expression_without_invalid
if (p->error_indicator) {
D(p->level--);

12
Parser/pegen.c
View File

@ -77,6 +77,18 @@ _PyPegen_check_barry_as_flufl(Parser *p, Token* t) {
return 0;
}
int
_PyPegen_check_legacy_stmt(Parser *p, expr_ty name) {
assert(name->kind == Name_kind);
const char* candidates[2] = {"print", "exec"};
for (int i=0; i<2; i++) {
if (PyUnicode_CompareWithASCIIString(name->v.Name.id, candidates[i]) == 0) {
return 1;
}
}
return 0;
}
PyObject *
_PyPegen_new_identifier(Parser *p, const char *n)
{

1
Parser/pegen.h
View File

@ -292,6 +292,7 @@ expr_ty _PyPegen_ensure_imaginary(Parser *p, expr_ty);
expr_ty _PyPegen_ensure_real(Parser *p, expr_ty);
asdl_seq *_PyPegen_join_sequences(Parser *, asdl_seq *, asdl_seq *);
int _PyPegen_check_barry_as_flufl(Parser *, Token *);
int _PyPegen_check_legacy_stmt(Parser *p, expr_ty t);
mod_ty _PyPegen_make_module(Parser *, asdl_stmt_seq *);
// Error reporting helpers

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