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Remove unnecessary 'invalid_primary' rule in the parser (GH-27186)

This commit is contained in:
Pablo Galindo Salgado 2021-07-16 13:20:09 +01:00 committed by GitHub
parent 000e70ad52
commit a283ef116b
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 239 additions and 309 deletions
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3
Grammar/python.gram
View File

@ -666,7 +666,6 @@ await_primary[expr_ty] (memo):
| AWAIT a=primary { CHECK_VERSION(expr_ty, 5, "Await expressions are", _PyAST_Await(a, EXTRA)) } | AWAIT a=primary { CHECK_VERSION(expr_ty, 5, "Await expressions are", _PyAST_Await(a, EXTRA)) }
| primary | primary
primary[expr_ty]: primary[expr_ty]:
| invalid_primary # must be before 'primay genexp' because of invalid_genexp
| a=primary '.' b=NAME { _PyAST_Attribute(a, b->v.Name.id, Load, EXTRA) } | a=primary '.' b=NAME { _PyAST_Attribute(a, b->v.Name.id, Load, EXTRA) }
| a=primary b=genexp { _PyAST_Call(a, CHECK(asdl_expr_seq*, (asdl_expr_seq*)_PyPegen_singleton_seq(p, b)), NULL, EXTRA) } | a=primary b=genexp { _PyAST_Call(a, CHECK(asdl_expr_seq*, (asdl_expr_seq*)_PyPegen_singleton_seq(p, b)), NULL, EXTRA) }
| a=primary '(' b=[arguments] ')' { | a=primary '(' b=[arguments] ')' {
@ -893,8 +892,6 @@ invalid_del_stmt:
RAISE_SYNTAX_ERROR_INVALID_TARGET(DEL_TARGETS, a) } RAISE_SYNTAX_ERROR_INVALID_TARGET(DEL_TARGETS, a) }
invalid_block: invalid_block:
| NEWLINE !INDENT { RAISE_INDENTATION_ERROR("expected an indented block") } | NEWLINE !INDENT { RAISE_INDENTATION_ERROR("expected an indented block") }
invalid_primary:
| primary a='{' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "invalid syntax") }
invalid_comprehension: invalid_comprehension:
| ('[' | '(' | '{') a=starred_expression for_if_clauses { | ('[' | '(' | '{') a=starred_expression for_if_clauses {
RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "iterable unpacking cannot be used in comprehension") } RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "iterable unpacking cannot be used in comprehension") }

2
Lib/test/test_exceptions.py
View File

@ -209,7 +209,7 @@ class ExceptionTests(unittest.TestCase):
check(b'Python = "\xcf\xb3\xf2\xee\xed" +', 1, 18) check(b'Python = "\xcf\xb3\xf2\xee\xed" +', 1, 18)
check('x = "a', 1, 5) check('x = "a', 1, 5)
check('lambda x: x = 2', 1, 1) check('lambda x: x = 2', 1, 1)
check('f{a + b + c}', 1, 2) check('f{a + b + c}', 1, 1)
check('[file for str(file) in []\n])', 2, 2) check('[file for str(file) in []\n])', 2, 2)
check('a = « hello » « world »', 1, 5) check('a = « hello » « world »', 1, 5)
check('[\nfile\nfor str(file)\nin\n[]\n]', 3, 5) check('[\nfile\nfor str(file)\nin\n[]\n]', 3, 5)

2
Lib/test/test_syntax.py
View File

@ -1305,7 +1305,7 @@ class SyntaxTestCase(unittest.TestCase):
) )
def test_curly_brace_after_primary_raises_immediately(self): def test_curly_brace_after_primary_raises_immediately(self):
self._check_error("f{", "invalid syntax", mode="single") self._check_error("f{}", "invalid syntax", mode="single")
def test_assign_call(self): def test_assign_call(self):
self._check_error("f() = 1", "assign") self._check_error("f() = 1", "assign")

541
Parser/parser.c
View File

@ -258,244 +258,243 @@ static char *soft_keywords[] = {
#define invalid_ann_assign_target_type 1184 #define invalid_ann_assign_target_type 1184
#define invalid_del_stmt_type 1185 #define invalid_del_stmt_type 1185
#define invalid_block_type 1186 #define invalid_block_type 1186
#define invalid_primary_type 1187 // Left-recursive #define invalid_comprehension_type 1187
#define invalid_comprehension_type 1188 #define invalid_dict_comprehension_type 1188
#define invalid_dict_comprehension_type 1189 #define invalid_parameters_type 1189
#define invalid_parameters_type 1190 #define invalid_parameters_helper_type 1190
#define invalid_parameters_helper_type 1191 #define invalid_lambda_parameters_type 1191
#define invalid_lambda_parameters_type 1192 #define invalid_lambda_parameters_helper_type 1192
#define invalid_lambda_parameters_helper_type 1193 #define invalid_star_etc_type 1193
#define invalid_star_etc_type 1194 #define invalid_lambda_star_etc_type 1194
#define invalid_lambda_star_etc_type 1195 #define invalid_double_type_comments_type 1195
#define invalid_double_type_comments_type 1196 #define invalid_with_item_type 1196
#define invalid_with_item_type 1197 #define invalid_for_target_type 1197
#define invalid_for_target_type 1198 #define invalid_group_type 1198
#define invalid_group_type 1199 #define invalid_import_from_targets_type 1199
#define invalid_import_from_targets_type 1200 #define invalid_with_stmt_type 1200
#define invalid_with_stmt_type 1201 #define invalid_with_stmt_indent_type 1201
#define invalid_with_stmt_indent_type 1202 #define invalid_try_stmt_type 1202
#define invalid_try_stmt_type 1203 #define invalid_except_stmt_type 1203
#define invalid_except_stmt_type 1204 #define invalid_finally_stmt_type 1204
#define invalid_finally_stmt_type 1205 #define invalid_except_stmt_indent_type 1205
#define invalid_except_stmt_indent_type 1206 #define invalid_match_stmt_type 1206
#define invalid_match_stmt_type 1207 #define invalid_case_block_type 1207
#define invalid_case_block_type 1208 #define invalid_as_pattern_type 1208
#define invalid_as_pattern_type 1209 #define invalid_class_pattern_type 1209
#define invalid_class_pattern_type 1210 #define invalid_class_argument_pattern_type 1210
#define invalid_class_argument_pattern_type 1211 #define invalid_if_stmt_type 1211
#define invalid_if_stmt_type 1212 #define invalid_elif_stmt_type 1212
#define invalid_elif_stmt_type 1213 #define invalid_else_stmt_type 1213
#define invalid_else_stmt_type 1214 #define invalid_while_stmt_type 1214
#define invalid_while_stmt_type 1215 #define invalid_for_stmt_type 1215
#define invalid_for_stmt_type 1216 #define invalid_def_raw_type 1216
#define invalid_def_raw_type 1217 #define invalid_class_def_raw_type 1217
#define invalid_class_def_raw_type 1218 #define invalid_double_starred_kvpairs_type 1218
#define invalid_double_starred_kvpairs_type 1219 #define invalid_kvpair_type 1219
#define invalid_kvpair_type 1220 #define _loop0_1_type 1220
#define _loop0_1_type 1221 #define _loop0_2_type 1221
#define _loop0_2_type 1222 #define _loop0_4_type 1222
#define _loop0_4_type 1223 #define _gather_3_type 1223
#define _gather_3_type 1224 #define _loop0_6_type 1224
#define _loop0_6_type 1225 #define _gather_5_type 1225
#define _gather_5_type 1226 #define _loop0_8_type 1226
#define _loop0_8_type 1227 #define _gather_7_type 1227
#define _gather_7_type 1228 #define _loop0_10_type 1228
#define _loop0_10_type 1229 #define _gather_9_type 1229
#define _gather_9_type 1230 #define _loop1_11_type 1230
#define _loop1_11_type 1231 #define _loop0_13_type 1231
#define _loop0_13_type 1232 #define _gather_12_type 1232
#define _gather_12_type 1233 #define _tmp_14_type 1233
#define _tmp_14_type 1234 #define _tmp_15_type 1234
#define _tmp_15_type 1235 #define _tmp_16_type 1235
#define _tmp_16_type 1236 #define _tmp_17_type 1236
#define _tmp_17_type 1237 #define _tmp_18_type 1237
#define _tmp_18_type 1238 #define _tmp_19_type 1238
#define _tmp_19_type 1239 #define _tmp_20_type 1239
#define _tmp_20_type 1240 #define _tmp_21_type 1240
#define _tmp_21_type 1241 #define _loop1_22_type 1241
#define _loop1_22_type 1242 #define _tmp_23_type 1242
#define _tmp_23_type 1243 #define _tmp_24_type 1243
#define _tmp_24_type 1244 #define _loop0_26_type 1244
#define _loop0_26_type 1245 #define _gather_25_type 1245
#define _gather_25_type 1246 #define _loop0_28_type 1246
#define _loop0_28_type 1247 #define _gather_27_type 1247
#define _gather_27_type 1248 #define _tmp_29_type 1248
#define _tmp_29_type 1249 #define _tmp_30_type 1249
#define _tmp_30_type 1250 #define _loop0_31_type 1250
#define _loop0_31_type 1251 #define _loop1_32_type 1251
#define _loop1_32_type 1252 #define _loop0_34_type 1252
#define _loop0_34_type 1253 #define _gather_33_type 1253
#define _gather_33_type 1254 #define _tmp_35_type 1254
#define _tmp_35_type 1255 #define _loop0_37_type 1255
#define _loop0_37_type 1256 #define _gather_36_type 1256
#define _gather_36_type 1257 #define _tmp_38_type 1257
#define _tmp_38_type 1258 #define _loop0_40_type 1258
#define _loop0_40_type 1259 #define _gather_39_type 1259
#define _gather_39_type 1260 #define _loop0_42_type 1260
#define _loop0_42_type 1261 #define _gather_41_type 1261
#define _gather_41_type 1262 #define _loop0_44_type 1262
#define _loop0_44_type 1263 #define _gather_43_type 1263
#define _gather_43_type 1264 #define _loop0_46_type 1264
#define _loop0_46_type 1265 #define _gather_45_type 1265
#define _gather_45_type 1266 #define _tmp_47_type 1266
#define _tmp_47_type 1267 #define _loop1_48_type 1267
#define _loop1_48_type 1268 #define _tmp_49_type 1268
#define _tmp_49_type 1269 #define _loop1_50_type 1269
#define _loop1_50_type 1270 #define _loop0_52_type 1270
#define _loop0_52_type 1271 #define _gather_51_type 1271
#define _gather_51_type 1272 #define _tmp_53_type 1272
#define _tmp_53_type 1273 #define _tmp_54_type 1273
#define _tmp_54_type 1274 #define _tmp_55_type 1274
#define _tmp_55_type 1275 #define _tmp_56_type 1275
#define _tmp_56_type 1276 #define _loop0_58_type 1276
#define _loop0_58_type 1277 #define _gather_57_type 1277
#define _gather_57_type 1278 #define _loop0_60_type 1278
#define _loop0_60_type 1279 #define _gather_59_type 1279
#define _gather_59_type 1280 #define _tmp_61_type 1280
#define _tmp_61_type 1281 #define _loop0_63_type 1281
#define _loop0_63_type 1282 #define _gather_62_type 1282
#define _gather_62_type 1283 #define _loop0_65_type 1283
#define _loop0_65_type 1284 #define _gather_64_type 1284
#define _gather_64_type 1285 #define _tmp_66_type 1285
#define _tmp_66_type 1286 #define _tmp_67_type 1286
#define _tmp_67_type 1287 #define _tmp_68_type 1287
#define _tmp_68_type 1288 #define _tmp_69_type 1288
#define _tmp_69_type 1289 #define _loop0_70_type 1289
#define _loop0_70_type 1290 #define _loop0_71_type 1290
#define _loop0_71_type 1291 #define _loop0_72_type 1291
#define _loop0_72_type 1292 #define _loop1_73_type 1292
#define _loop1_73_type 1293 #define _loop0_74_type 1293
#define _loop0_74_type 1294 #define _loop1_75_type 1294
#define _loop1_75_type 1295 #define _loop1_76_type 1295
#define _loop1_76_type 1296 #define _loop1_77_type 1296
#define _loop1_77_type 1297 #define _loop0_78_type 1297
#define _loop0_78_type 1298 #define _loop1_79_type 1298
#define _loop1_79_type 1299 #define _loop0_80_type 1299
#define _loop0_80_type 1300 #define _loop1_81_type 1300
#define _loop1_81_type 1301 #define _loop0_82_type 1301
#define _loop0_82_type 1302 #define _loop1_83_type 1302
#define _loop1_83_type 1303 #define _loop1_84_type 1303
#define _loop1_84_type 1304 #define _tmp_85_type 1304
#define _tmp_85_type 1305 #define _loop1_86_type 1305
#define _loop1_86_type 1306 #define _loop0_88_type 1306
#define _loop0_88_type 1307 #define _gather_87_type 1307
#define _gather_87_type 1308 #define _loop1_89_type 1308
#define _loop1_89_type 1309 #define _loop0_90_type 1309
#define _loop0_90_type 1310 #define _loop0_91_type 1310
#define _loop0_91_type 1311 #define _loop0_92_type 1311
#define _loop0_92_type 1312 #define _loop1_93_type 1312
#define _loop1_93_type 1313 #define _loop0_94_type 1313
#define _loop0_94_type 1314 #define _loop1_95_type 1314
#define _loop1_95_type 1315 #define _loop1_96_type 1315
#define _loop1_96_type 1316 #define _loop1_97_type 1316
#define _loop1_97_type 1317 #define _loop0_98_type 1317
#define _loop0_98_type 1318 #define _loop1_99_type 1318
#define _loop1_99_type 1319 #define _loop0_100_type 1319
#define _loop0_100_type 1320 #define _loop1_101_type 1320
#define _loop1_101_type 1321 #define _loop0_102_type 1321
#define _loop0_102_type 1322 #define _loop1_103_type 1322
#define _loop1_103_type 1323 #define _loop1_104_type 1323
#define _loop1_104_type 1324 #define _loop1_105_type 1324
#define _loop1_105_type 1325 #define _loop1_106_type 1325
#define _loop1_106_type 1326 #define _tmp_107_type 1326
#define _tmp_107_type 1327 #define _loop0_109_type 1327
#define _loop0_109_type 1328 #define _gather_108_type 1328
#define _gather_108_type 1329 #define _tmp_110_type 1329
#define _tmp_110_type 1330 #define _tmp_111_type 1330
#define _tmp_111_type 1331 #define _tmp_112_type 1331
#define _tmp_112_type 1332 #define _tmp_113_type 1332
#define _tmp_113_type 1333 #define _loop1_114_type 1333
#define _loop1_114_type 1334 #define _tmp_115_type 1334
#define _tmp_115_type 1335 #define _tmp_116_type 1335
#define _tmp_116_type 1336 #define _tmp_117_type 1336
#define _tmp_117_type 1337 #define _loop0_119_type 1337
#define _loop0_119_type 1338 #define _gather_118_type 1338
#define _gather_118_type 1339 #define _loop1_120_type 1339
#define _loop1_120_type 1340 #define _loop0_121_type 1340
#define _loop0_121_type 1341 #define _loop0_122_type 1341
#define _loop0_122_type 1342 #define _loop0_124_type 1342
#define _loop0_124_type 1343 #define _gather_123_type 1343
#define _gather_123_type 1344 #define _tmp_125_type 1344
#define _tmp_125_type 1345 #define _loop0_127_type 1345
#define _loop0_127_type 1346 #define _gather_126_type 1346
#define _gather_126_type 1347 #define _loop0_129_type 1347
#define _loop0_129_type 1348 #define _gather_128_type 1348
#define _gather_128_type 1349 #define _loop0_131_type 1349
#define _loop0_131_type 1350 #define _gather_130_type 1350
#define _gather_130_type 1351 #define _loop0_133_type 1351
#define _loop0_133_type 1352 #define _gather_132_type 1352
#define _gather_132_type 1353 #define _loop0_134_type 1353
#define _loop0_134_type 1354 #define _loop0_136_type 1354
#define _loop0_136_type 1355 #define _gather_135_type 1355
#define _gather_135_type 1356 #define _loop1_137_type 1356
#define _loop1_137_type 1357 #define _tmp_138_type 1357
#define _tmp_138_type 1358 #define _loop0_140_type 1358
#define _loop0_140_type 1359 #define _gather_139_type 1359
#define _gather_139_type 1360 #define _tmp_141_type 1360
#define _tmp_141_type 1361 #define _tmp_142_type 1361
#define _tmp_142_type 1362 #define _tmp_143_type 1362
#define _tmp_143_type 1363 #define _tmp_144_type 1363
#define _tmp_144_type 1364 #define _tmp_145_type 1364
#define _tmp_145_type 1365 #define _tmp_146_type 1365
#define _tmp_146_type 1366 #define _loop0_147_type 1366
#define _loop0_147_type 1367 #define _loop0_148_type 1367
#define _loop0_148_type 1368 #define _loop0_149_type 1368
#define _loop0_149_type 1369 #define _tmp_150_type 1369
#define _tmp_150_type 1370 #define _tmp_151_type 1370
#define _tmp_151_type 1371 #define _tmp_152_type 1371
#define _tmp_152_type 1372 #define _tmp_153_type 1372
#define _tmp_153_type 1373 #define _loop0_154_type 1373
#define _loop0_154_type 1374 #define _loop1_155_type 1374
#define _loop1_155_type 1375 #define _loop0_156_type 1375
#define _loop0_156_type 1376 #define _loop1_157_type 1376
#define _loop1_157_type 1377 #define _tmp_158_type 1377
#define _tmp_158_type 1378 #define _tmp_159_type 1378
#define _tmp_159_type 1379 #define _tmp_160_type 1379
#define _tmp_160_type 1380 #define _loop0_162_type 1380
#define _loop0_162_type 1381 #define _gather_161_type 1381
#define _gather_161_type 1382 #define _loop0_164_type 1382
#define _loop0_164_type 1383 #define _gather_163_type 1383
#define _gather_163_type 1384 #define _loop0_166_type 1384
#define _loop0_166_type 1385 #define _gather_165_type 1385
#define _gather_165_type 1386 #define _loop0_168_type 1386
#define _loop0_168_type 1387 #define _gather_167_type 1387
#define _gather_167_type 1388 #define _tmp_169_type 1388
#define _tmp_169_type 1389 #define _tmp_170_type 1389
#define _tmp_170_type 1390 #define _tmp_171_type 1390
#define _tmp_171_type 1391 #define _tmp_172_type 1391
#define _tmp_172_type 1392 #define _tmp_173_type 1392
#define _tmp_173_type 1393 #define _tmp_174_type 1393
#define _tmp_174_type 1394 #define _tmp_175_type 1394
#define _tmp_175_type 1395 #define _loop0_177_type 1395
#define _loop0_177_type 1396 #define _gather_176_type 1396
#define _gather_176_type 1397 #define _tmp_178_type 1397
#define _tmp_178_type 1398 #define _tmp_179_type 1398
#define _tmp_179_type 1399 #define _tmp_180_type 1399
#define _tmp_180_type 1400 #define _tmp_181_type 1400
#define _tmp_181_type 1401 #define _tmp_182_type 1401
#define _tmp_182_type 1402 #define _tmp_183_type 1402
#define _tmp_183_type 1403 #define _tmp_184_type 1403
#define _tmp_184_type 1404 #define _tmp_185_type 1404
#define _tmp_185_type 1405 #define _tmp_186_type 1405
#define _tmp_186_type 1406 #define _tmp_187_type 1406
#define _tmp_187_type 1407 #define _tmp_188_type 1407
#define _tmp_188_type 1408 #define _tmp_189_type 1408
#define _tmp_189_type 1409 #define _tmp_190_type 1409
#define _tmp_190_type 1410 #define _tmp_191_type 1410
#define _tmp_191_type 1411 #define _tmp_192_type 1411
#define _tmp_192_type 1412 #define _tmp_193_type 1412
#define _tmp_193_type 1413 #define _tmp_194_type 1413
#define _tmp_194_type 1414 #define _tmp_195_type 1414
#define _tmp_195_type 1415 #define _tmp_196_type 1415
#define _tmp_196_type 1416 #define _tmp_197_type 1416
#define _tmp_197_type 1417 #define _tmp_198_type 1417
#define _tmp_198_type 1418 #define _tmp_199_type 1418
#define _tmp_199_type 1419 #define _tmp_200_type 1419
#define _tmp_200_type 1420 #define _tmp_201_type 1420
#define _tmp_201_type 1421 #define _tmp_202_type 1421
#define _tmp_202_type 1422 #define _tmp_203_type 1422
#define _tmp_203_type 1423 #define _tmp_204_type 1423
#define _tmp_204_type 1424
static mod_ty file_rule(Parser *p); static mod_ty file_rule(Parser *p);
static mod_ty interactive_rule(Parser *p); static mod_ty interactive_rule(Parser *p);
@ -684,7 +683,6 @@ static void *invalid_assignment_rule(Parser *p);
static expr_ty invalid_ann_assign_target_rule(Parser *p); static expr_ty invalid_ann_assign_target_rule(Parser *p);
static void *invalid_del_stmt_rule(Parser *p); static void *invalid_del_stmt_rule(Parser *p);
static void *invalid_block_rule(Parser *p); static void *invalid_block_rule(Parser *p);
static void *invalid_primary_rule(Parser *p);
static void *invalid_comprehension_rule(Parser *p); static void *invalid_comprehension_rule(Parser *p);
static void *invalid_dict_comprehension_rule(Parser *p); static void *invalid_dict_comprehension_rule(Parser *p);
static void *invalid_parameters_rule(Parser *p); static void *invalid_parameters_rule(Parser *p);
@ -13853,7 +13851,6 @@ await_primary_rule(Parser *p)
// Left-recursive // Left-recursive
// primary: // primary:
// | invalid_primary
// | primary '.' NAME // | primary '.' NAME
// | primary genexp // | primary genexp
// | primary '(' arguments? ')' // | primary '(' arguments? ')'
@ -13911,25 +13908,6 @@ primary_raw(Parser *p)
UNUSED(_start_lineno); // Only used by EXTRA macro UNUSED(_start_lineno); // Only used by EXTRA macro
int _start_col_offset = p->tokens[_mark]->col_offset; int _start_col_offset = p->tokens[_mark]->col_offset;
UNUSED(_start_col_offset); // Only used by EXTRA macro UNUSED(_start_col_offset); // Only used by EXTRA macro
if (p->call_invalid_rules) { // invalid_primary
if (p->error_indicator) {
D(p->level--);
return NULL;
}
D(fprintf(stderr, "%*c> primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_primary"));
void *invalid_primary_var;
if (
(invalid_primary_var = invalid_primary_rule(p)) // invalid_primary
)
{
D(fprintf(stderr, "%*c+ primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_primary"));
_res = invalid_primary_var;
goto done;
}
p->mark = _mark;
D(fprintf(stderr, "%*c%s primary[%d-%d]: %s failed!\n", p->level, ' ',
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_primary"));
}
{ // primary '.' NAME { // primary '.' NAME
if (p->error_indicator) { if (p->error_indicator) {
D(p->level--); D(p->level--);
@ -18722,51 +18700,6 @@ invalid_block_rule(Parser *p)
return _res; return _res;
} }
// Left-recursive
// invalid_primary: primary '{'
static void *
invalid_primary_rule(Parser *p)
{
D(p->level++);
if (p->error_indicator) {
D(p->level--);
return NULL;
}
void * _res = NULL;
int _mark = p->mark;
{ // primary '{'
if (p->error_indicator) {
D(p->level--);
return NULL;
}
D(fprintf(stderr, "%*c> invalid_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "primary '{'"));
Token * a;
expr_ty primary_var;
if (
(primary_var = primary_rule(p)) // primary
&&
(a = _PyPegen_expect_token(p, 25)) // token='{'
)
{
D(fprintf(stderr, "%*c+ invalid_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "primary '{'"));
_res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "invalid syntax" );
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_primary[%d-%d]: %s failed!\n", p->level, ' ',
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "primary '{'"));
}
_res = NULL;
done:
D(p->level--);
return _res;
}
// invalid_comprehension: // invalid_comprehension:
// | ('[' | '(' | '{') starred_expression for_if_clauses // | ('[' | '(' | '{') starred_expression for_if_clauses
// | ('[' | '{') star_named_expression ',' star_named_expressions for_if_clauses // | ('[' | '{') star_named_expression ',' star_named_expressions for_if_clauses