[Python-checkins] bpo-42128: Add 'missing :' syntax error message to match statements (GH-24733)
pablogsal
webhook-mailer at python.org
Wed Mar 17 21:03:37 EDT 2021
https://github.com/python/cpython/commit/08fb8ac99ab03d767aa0f1cfab3573eddf9df018
commit: 08fb8ac99ab03d767aa0f1cfab3573eddf9df018
branch: master
author: Pablo Galindo <Pablogsal at gmail.com>
committer: pablogsal <Pablogsal at gmail.com>
date: 2021-03-18T01:03:11Z
summary:
bpo-42128: Add 'missing :' syntax error message to match statements (GH-24733)
files:
M Grammar/python.gram
M Lib/test/test_syntax.py
M Parser/parser.c
diff --git a/Grammar/python.gram b/Grammar/python.gram
index a225664ebb8aa..7247962d3b971 100644
--- a/Grammar/python.gram
+++ b/Grammar/python.gram
@@ -211,6 +211,7 @@ finally_block[asdl_stmt_seq*]: 'finally' ':' a=block { a }
match_stmt[stmt_ty]:
| "match" subject=subject_expr ':' NEWLINE INDENT cases[asdl_match_case_seq*]=case_block+ DEDENT {
CHECK_VERSION(stmt_ty, 10, "Pattern matching is", _Py_Match(subject, cases, EXTRA)) }
+ | invalid_match_stmt
subject_expr[expr_ty]:
| value=star_named_expression ',' values=star_named_expressions? {
_Py_Tuple(CHECK(asdl_expr_seq*, _PyPegen_seq_insert_in_front(p, value, values)), Load, EXTRA) }
@@ -218,6 +219,7 @@ subject_expr[expr_ty]:
case_block[match_case_ty]:
| "case" pattern=patterns guard=guard? ':' body=block {
_Py_match_case(pattern, guard, body, p->arena) }
+ | invalid_case_block
guard[expr_ty]: 'if' guard=named_expression { guard }
patterns[expr_ty]:
@@ -853,3 +855,9 @@ invalid_except_block:
RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "exception group must be parenthesized") }
| 'except' expression ['as' NAME ] &&':'
| 'except' &&':'
+
+invalid_match_stmt:
+ | "match" subject_expr !':' { CHECK_VERSION(void*, 10, "Pattern matching is", RAISE_SYNTAX_ERROR("expected ':'") ) }
+
+invalid_case_block:
+ | "case" patterns guard? !':' { RAISE_SYNTAX_ERROR("expected ':'") }
diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index 47df0579f1ea6..24233b29171f8 100644
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -825,6 +825,24 @@
Traceback (most recent call last):
SyntaxError: expected ':'
+ >>> match x
+ ... case list():
+ ... pass
+ Traceback (most recent call last):
+ SyntaxError: expected ':'
+
+ >>> match x:
+ ... case list()
+ ... pass
+ Traceback (most recent call last):
+ SyntaxError: expected ':'
+
+ >>> match x:
+ ... case [y] if y > 0
+ ... pass
+ Traceback (most recent call last):
+ SyntaxError: expected ':'
+
Make sure that the old "raise X, Y[, Z]" form is gone:
>>> raise X, Y
Traceback (most recent call last):
@@ -1159,6 +1177,24 @@ def test_error_parenthesis(self):
for paren in ")]}":
self._check_error(paren + "1 + 2", f"unmatched '\\{paren}'")
+ def test_match_call_does_not_raise_syntax_error(self):
+ code = """
+def match(x):
+ return 1+1
+
+match(34)
+"""
+ compile(code, "<string>", "exec")
+
+ def test_case_call_does_not_raise_syntax_error(self):
+ code = """
+def case(x):
+ return 1+1
+
+case(34)
+"""
+ compile(code, "<string>", "exec")
+
def test_main():
support.run_unittest(SyntaxTestCase)
diff --git a/Parser/parser.c b/Parser/parser.c
index 9432746921a2e..acfaf80094c0f 100644
--- a/Parser/parser.c
+++ b/Parser/parser.c
@@ -263,188 +263,190 @@ static KeywordToken *reserved_keywords[] = {
#define invalid_import_from_targets_type 1194
#define invalid_with_stmt_type 1195
#define invalid_except_block_type 1196
-#define _loop0_1_type 1197
-#define _loop0_2_type 1198
-#define _loop0_4_type 1199
-#define _gather_3_type 1200
-#define _loop0_6_type 1201
-#define _gather_5_type 1202
-#define _loop0_8_type 1203
-#define _gather_7_type 1204
-#define _loop0_10_type 1205
-#define _gather_9_type 1206
-#define _loop1_11_type 1207
-#define _loop0_13_type 1208
-#define _gather_12_type 1209
-#define _tmp_14_type 1210
-#define _tmp_15_type 1211
-#define _tmp_16_type 1212
-#define _tmp_17_type 1213
-#define _tmp_18_type 1214
-#define _tmp_19_type 1215
-#define _tmp_20_type 1216
-#define _tmp_21_type 1217
-#define _loop1_22_type 1218
-#define _tmp_23_type 1219
-#define _tmp_24_type 1220
-#define _loop0_26_type 1221
-#define _gather_25_type 1222
-#define _loop0_28_type 1223
-#define _gather_27_type 1224
-#define _tmp_29_type 1225
-#define _tmp_30_type 1226
-#define _loop0_31_type 1227
-#define _loop1_32_type 1228
-#define _loop0_34_type 1229
-#define _gather_33_type 1230
-#define _tmp_35_type 1231
-#define _loop0_37_type 1232
-#define _gather_36_type 1233
-#define _tmp_38_type 1234
-#define _loop0_40_type 1235
-#define _gather_39_type 1236
-#define _loop0_42_type 1237
-#define _gather_41_type 1238
-#define _loop0_44_type 1239
-#define _gather_43_type 1240
-#define _loop0_46_type 1241
-#define _gather_45_type 1242
-#define _tmp_47_type 1243
-#define _loop1_48_type 1244
-#define _tmp_49_type 1245
-#define _loop1_50_type 1246
-#define _loop0_52_type 1247
-#define _gather_51_type 1248
-#define _tmp_53_type 1249
-#define _tmp_54_type 1250
-#define _tmp_55_type 1251
-#define _loop0_57_type 1252
-#define _gather_56_type 1253
-#define _tmp_58_type 1254
-#define _loop0_60_type 1255
-#define _gather_59_type 1256
-#define _tmp_61_type 1257
-#define _loop0_63_type 1258
-#define _gather_62_type 1259
-#define _loop0_65_type 1260
-#define _gather_64_type 1261
-#define _tmp_66_type 1262
-#define _tmp_67_type 1263
-#define _tmp_68_type 1264
-#define _tmp_69_type 1265
-#define _loop0_70_type 1266
-#define _loop0_71_type 1267
-#define _loop0_72_type 1268
-#define _loop1_73_type 1269
-#define _loop0_74_type 1270
-#define _loop1_75_type 1271
-#define _loop1_76_type 1272
-#define _loop1_77_type 1273
-#define _loop0_78_type 1274
-#define _loop1_79_type 1275
-#define _loop0_80_type 1276
-#define _loop1_81_type 1277
-#define _loop0_82_type 1278
-#define _loop1_83_type 1279
-#define _loop1_84_type 1280
-#define _tmp_85_type 1281
-#define _loop1_86_type 1282
-#define _loop0_88_type 1283
-#define _gather_87_type 1284
-#define _loop1_89_type 1285
-#define _loop0_90_type 1286
-#define _loop0_91_type 1287
-#define _loop0_92_type 1288
-#define _loop1_93_type 1289
-#define _loop0_94_type 1290
-#define _loop1_95_type 1291
-#define _loop1_96_type 1292
-#define _loop1_97_type 1293
-#define _loop0_98_type 1294
-#define _loop1_99_type 1295
-#define _loop0_100_type 1296
-#define _loop1_101_type 1297
-#define _loop0_102_type 1298
-#define _loop1_103_type 1299
-#define _loop1_104_type 1300
-#define _loop1_105_type 1301
-#define _loop1_106_type 1302
-#define _tmp_107_type 1303
-#define _loop0_109_type 1304
-#define _gather_108_type 1305
-#define _tmp_110_type 1306
-#define _tmp_111_type 1307
-#define _tmp_112_type 1308
-#define _tmp_113_type 1309
-#define _loop1_114_type 1310
-#define _tmp_115_type 1311
-#define _tmp_116_type 1312
-#define _loop0_118_type 1313
-#define _gather_117_type 1314
-#define _loop1_119_type 1315
-#define _loop0_120_type 1316
-#define _loop0_121_type 1317
-#define _loop0_123_type 1318
-#define _gather_122_type 1319
-#define _tmp_124_type 1320
-#define _loop0_126_type 1321
-#define _gather_125_type 1322
-#define _loop0_128_type 1323
-#define _gather_127_type 1324
-#define _loop0_130_type 1325
-#define _gather_129_type 1326
-#define _loop0_132_type 1327
-#define _gather_131_type 1328
-#define _loop0_133_type 1329
-#define _loop0_135_type 1330
-#define _gather_134_type 1331
-#define _loop1_136_type 1332
-#define _tmp_137_type 1333
-#define _loop0_139_type 1334
-#define _gather_138_type 1335
-#define _loop0_141_type 1336
-#define _gather_140_type 1337
-#define _tmp_142_type 1338
-#define _loop0_143_type 1339
-#define _loop0_144_type 1340
-#define _loop0_145_type 1341
-#define _tmp_146_type 1342
-#define _tmp_147_type 1343
-#define _tmp_148_type 1344
-#define _loop0_149_type 1345
-#define _loop1_150_type 1346
-#define _loop0_151_type 1347
-#define _loop1_152_type 1348
-#define _tmp_153_type 1349
-#define _tmp_154_type 1350
-#define _tmp_155_type 1351
-#define _loop0_157_type 1352
-#define _gather_156_type 1353
-#define _loop0_159_type 1354
-#define _gather_158_type 1355
-#define _tmp_160_type 1356
-#define _tmp_161_type 1357
-#define _tmp_162_type 1358
-#define _tmp_163_type 1359
-#define _tmp_164_type 1360
-#define _tmp_165_type 1361
-#define _tmp_166_type 1362
-#define _tmp_167_type 1363
-#define _tmp_168_type 1364
-#define _tmp_169_type 1365
-#define _tmp_170_type 1366
-#define _tmp_171_type 1367
-#define _tmp_172_type 1368
-#define _tmp_173_type 1369
-#define _tmp_174_type 1370
-#define _tmp_175_type 1371
-#define _tmp_176_type 1372
-#define _tmp_177_type 1373
-#define _tmp_178_type 1374
-#define _tmp_179_type 1375
-#define _tmp_180_type 1376
-#define _tmp_181_type 1377
-#define _tmp_182_type 1378
+#define invalid_match_stmt_type 1197
+#define invalid_case_block_type 1198
+#define _loop0_1_type 1199
+#define _loop0_2_type 1200
+#define _loop0_4_type 1201
+#define _gather_3_type 1202
+#define _loop0_6_type 1203
+#define _gather_5_type 1204
+#define _loop0_8_type 1205
+#define _gather_7_type 1206
+#define _loop0_10_type 1207
+#define _gather_9_type 1208
+#define _loop1_11_type 1209
+#define _loop0_13_type 1210
+#define _gather_12_type 1211
+#define _tmp_14_type 1212
+#define _tmp_15_type 1213
+#define _tmp_16_type 1214
+#define _tmp_17_type 1215
+#define _tmp_18_type 1216
+#define _tmp_19_type 1217
+#define _tmp_20_type 1218
+#define _tmp_21_type 1219
+#define _loop1_22_type 1220
+#define _tmp_23_type 1221
+#define _tmp_24_type 1222
+#define _loop0_26_type 1223
+#define _gather_25_type 1224
+#define _loop0_28_type 1225
+#define _gather_27_type 1226
+#define _tmp_29_type 1227
+#define _tmp_30_type 1228
+#define _loop0_31_type 1229
+#define _loop1_32_type 1230
+#define _loop0_34_type 1231
+#define _gather_33_type 1232
+#define _tmp_35_type 1233
+#define _loop0_37_type 1234
+#define _gather_36_type 1235
+#define _tmp_38_type 1236
+#define _loop0_40_type 1237
+#define _gather_39_type 1238
+#define _loop0_42_type 1239
+#define _gather_41_type 1240
+#define _loop0_44_type 1241
+#define _gather_43_type 1242
+#define _loop0_46_type 1243
+#define _gather_45_type 1244
+#define _tmp_47_type 1245
+#define _loop1_48_type 1246
+#define _tmp_49_type 1247
+#define _loop1_50_type 1248
+#define _loop0_52_type 1249
+#define _gather_51_type 1250
+#define _tmp_53_type 1251
+#define _tmp_54_type 1252
+#define _tmp_55_type 1253
+#define _loop0_57_type 1254
+#define _gather_56_type 1255
+#define _tmp_58_type 1256
+#define _loop0_60_type 1257
+#define _gather_59_type 1258
+#define _tmp_61_type 1259
+#define _loop0_63_type 1260
+#define _gather_62_type 1261
+#define _loop0_65_type 1262
+#define _gather_64_type 1263
+#define _tmp_66_type 1264
+#define _tmp_67_type 1265
+#define _tmp_68_type 1266
+#define _tmp_69_type 1267
+#define _loop0_70_type 1268
+#define _loop0_71_type 1269
+#define _loop0_72_type 1270
+#define _loop1_73_type 1271
+#define _loop0_74_type 1272
+#define _loop1_75_type 1273
+#define _loop1_76_type 1274
+#define _loop1_77_type 1275
+#define _loop0_78_type 1276
+#define _loop1_79_type 1277
+#define _loop0_80_type 1278
+#define _loop1_81_type 1279
+#define _loop0_82_type 1280
+#define _loop1_83_type 1281
+#define _loop1_84_type 1282
+#define _tmp_85_type 1283
+#define _loop1_86_type 1284
+#define _loop0_88_type 1285
+#define _gather_87_type 1286
+#define _loop1_89_type 1287
+#define _loop0_90_type 1288
+#define _loop0_91_type 1289
+#define _loop0_92_type 1290
+#define _loop1_93_type 1291
+#define _loop0_94_type 1292
+#define _loop1_95_type 1293
+#define _loop1_96_type 1294
+#define _loop1_97_type 1295
+#define _loop0_98_type 1296
+#define _loop1_99_type 1297
+#define _loop0_100_type 1298
+#define _loop1_101_type 1299
+#define _loop0_102_type 1300
+#define _loop1_103_type 1301
+#define _loop1_104_type 1302
+#define _loop1_105_type 1303
+#define _loop1_106_type 1304
+#define _tmp_107_type 1305
+#define _loop0_109_type 1306
+#define _gather_108_type 1307
+#define _tmp_110_type 1308
+#define _tmp_111_type 1309
+#define _tmp_112_type 1310
+#define _tmp_113_type 1311
+#define _loop1_114_type 1312
+#define _tmp_115_type 1313
+#define _tmp_116_type 1314
+#define _loop0_118_type 1315
+#define _gather_117_type 1316
+#define _loop1_119_type 1317
+#define _loop0_120_type 1318
+#define _loop0_121_type 1319
+#define _loop0_123_type 1320
+#define _gather_122_type 1321
+#define _tmp_124_type 1322
+#define _loop0_126_type 1323
+#define _gather_125_type 1324
+#define _loop0_128_type 1325
+#define _gather_127_type 1326
+#define _loop0_130_type 1327
+#define _gather_129_type 1328
+#define _loop0_132_type 1329
+#define _gather_131_type 1330
+#define _loop0_133_type 1331
+#define _loop0_135_type 1332
+#define _gather_134_type 1333
+#define _loop1_136_type 1334
+#define _tmp_137_type 1335
+#define _loop0_139_type 1336
+#define _gather_138_type 1337
+#define _loop0_141_type 1338
+#define _gather_140_type 1339
+#define _tmp_142_type 1340
+#define _loop0_143_type 1341
+#define _loop0_144_type 1342
+#define _loop0_145_type 1343
+#define _tmp_146_type 1344
+#define _tmp_147_type 1345
+#define _tmp_148_type 1346
+#define _loop0_149_type 1347
+#define _loop1_150_type 1348
+#define _loop0_151_type 1349
+#define _loop1_152_type 1350
+#define _tmp_153_type 1351
+#define _tmp_154_type 1352
+#define _tmp_155_type 1353
+#define _loop0_157_type 1354
+#define _gather_156_type 1355
+#define _loop0_159_type 1356
+#define _gather_158_type 1357
+#define _tmp_160_type 1358
+#define _tmp_161_type 1359
+#define _tmp_162_type 1360
+#define _tmp_163_type 1361
+#define _tmp_164_type 1362
+#define _tmp_165_type 1363
+#define _tmp_166_type 1364
+#define _tmp_167_type 1365
+#define _tmp_168_type 1366
+#define _tmp_169_type 1367
+#define _tmp_170_type 1368
+#define _tmp_171_type 1369
+#define _tmp_172_type 1370
+#define _tmp_173_type 1371
+#define _tmp_174_type 1372
+#define _tmp_175_type 1373
+#define _tmp_176_type 1374
+#define _tmp_177_type 1375
+#define _tmp_178_type 1376
+#define _tmp_179_type 1377
+#define _tmp_180_type 1378
+#define _tmp_181_type 1379
+#define _tmp_182_type 1380
static mod_ty file_rule(Parser *p);
static mod_ty interactive_rule(Parser *p);
@@ -643,6 +645,8 @@ static void *invalid_group_rule(Parser *p);
static void *invalid_import_from_targets_rule(Parser *p);
static void *invalid_with_stmt_rule(Parser *p);
static void *invalid_except_block_rule(Parser *p);
+static void *invalid_match_stmt_rule(Parser *p);
+static void *invalid_case_block_rule(Parser *p);
static asdl_seq *_loop0_1_rule(Parser *p);
static asdl_seq *_loop0_2_rule(Parser *p);
static asdl_seq *_loop0_4_rule(Parser *p);
@@ -4848,7 +4852,9 @@ finally_block_rule(Parser *p)
return _res;
}
-// match_stmt: "match" subject_expr ':' NEWLINE INDENT case_block+ DEDENT
+// match_stmt:
+// | "match" subject_expr ':' NEWLINE INDENT case_block+ DEDENT
+// | invalid_match_stmt
static stmt_ty
match_stmt_rule(Parser *p)
{
@@ -4919,6 +4925,25 @@ match_stmt_rule(Parser *p)
D(fprintf(stderr, "%*c%s match_stmt[%d-%d]: %s failed!\n", p->level, ' ',
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "\"match\" subject_expr ':' NEWLINE INDENT case_block+ DEDENT"));
}
+ if (p->call_invalid_rules) { // invalid_match_stmt
+ if (p->error_indicator) {
+ D(p->level--);
+ return NULL;
+ }
+ D(fprintf(stderr, "%*c> match_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_match_stmt"));
+ void *invalid_match_stmt_var;
+ if (
+ (invalid_match_stmt_var = invalid_match_stmt_rule(p)) // invalid_match_stmt
+ )
+ {
+ D(fprintf(stderr, "%*c+ match_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_match_stmt"));
+ _res = invalid_match_stmt_var;
+ goto done;
+ }
+ p->mark = _mark;
+ D(fprintf(stderr, "%*c%s match_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+ p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_match_stmt"));
+ }
_res = NULL;
done:
D(p->level--);
@@ -5009,7 +5034,7 @@ subject_expr_rule(Parser *p)
return _res;
}
-// case_block: "case" patterns guard? ':' block
+// case_block: "case" patterns guard? ':' block | invalid_case_block
static match_case_ty
case_block_rule(Parser *p)
{
@@ -5056,6 +5081,25 @@ case_block_rule(Parser *p)
D(fprintf(stderr, "%*c%s case_block[%d-%d]: %s failed!\n", p->level, ' ',
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "\"case\" patterns guard? ':' block"));
}
+ if (p->call_invalid_rules) { // invalid_case_block
+ if (p->error_indicator) {
+ D(p->level--);
+ return NULL;
+ }
+ D(fprintf(stderr, "%*c> case_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_case_block"));
+ void *invalid_case_block_var;
+ if (
+ (invalid_case_block_var = invalid_case_block_rule(p)) // invalid_case_block
+ )
+ {
+ D(fprintf(stderr, "%*c+ case_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_case_block"));
+ _res = invalid_case_block_var;
+ goto done;
+ }
+ p->mark = _mark;
+ D(fprintf(stderr, "%*c%s case_block[%d-%d]: %s failed!\n", p->level, ' ',
+ p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_case_block"));
+ }
_res = NULL;
done:
D(p->level--);
@@ -18531,6 +18575,102 @@ invalid_except_block_rule(Parser *p)
return _res;
}
+// invalid_match_stmt: "match" subject_expr !':'
+static void *
+invalid_match_stmt_rule(Parser *p)
+{
+ D(p->level++);
+ if (p->error_indicator) {
+ D(p->level--);
+ return NULL;
+ }
+ void * _res = NULL;
+ int _mark = p->mark;
+ { // "match" subject_expr !':'
+ if (p->error_indicator) {
+ D(p->level--);
+ return NULL;
+ }
+ D(fprintf(stderr, "%*c> invalid_match_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "\"match\" subject_expr !':'"));
+ expr_ty _keyword;
+ expr_ty subject_expr_var;
+ if (
+ (_keyword = _PyPegen_expect_soft_keyword(p, "match")) // soft_keyword='"match"'
+ &&
+ (subject_expr_var = subject_expr_rule(p)) // subject_expr
+ &&
+ _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 11) // token=':'
+ )
+ {
+ D(fprintf(stderr, "%*c+ invalid_match_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "\"match\" subject_expr !':'"));
+ _res = CHECK_VERSION ( void * , 10 , "Pattern matching is" , RAISE_SYNTAX_ERROR ( "expected ':'" ) );
+ 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_match_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+ p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "\"match\" subject_expr !':'"));
+ }
+ _res = NULL;
+ done:
+ D(p->level--);
+ return _res;
+}
+
+// invalid_case_block: "case" patterns guard? !':'
+static void *
+invalid_case_block_rule(Parser *p)
+{
+ D(p->level++);
+ if (p->error_indicator) {
+ D(p->level--);
+ return NULL;
+ }
+ void * _res = NULL;
+ int _mark = p->mark;
+ { // "case" patterns guard? !':'
+ if (p->error_indicator) {
+ D(p->level--);
+ return NULL;
+ }
+ D(fprintf(stderr, "%*c> invalid_case_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "\"case\" patterns guard? !':'"));
+ expr_ty _keyword;
+ void *_opt_var;
+ UNUSED(_opt_var); // Silence compiler warnings
+ expr_ty patterns_var;
+ if (
+ (_keyword = _PyPegen_expect_soft_keyword(p, "case")) // soft_keyword='"case"'
+ &&
+ (patterns_var = patterns_rule(p)) // patterns
+ &&
+ (_opt_var = guard_rule(p), 1) // guard?
+ &&
+ _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 11) // token=':'
+ )
+ {
+ D(fprintf(stderr, "%*c+ invalid_case_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "\"case\" patterns guard? !':'"));
+ _res = RAISE_SYNTAX_ERROR ( "expected ':'" );
+ 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_case_block[%d-%d]: %s failed!\n", p->level, ' ',
+ p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "\"case\" patterns guard? !':'"));
+ }
+ _res = NULL;
+ done:
+ D(p->level--);
+ return _res;
+}
+
// _loop0_1: NEWLINE
static asdl_seq *
_loop0_1_rule(Parser *p)
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