bpo-40769: Allow extra surrounding parentheses for invalid annotated assignment rule (GH-20387)
This commit is contained in:
Batuhan Taskaya
GitHub
parent
6dcbc2422d
commit
c8f29ad986
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@ -646,8 +646,12 @@ invalid_named_expression:
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RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
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a, "cannot use assignment expressions with %s", _PyPegen_get_expr_name(a)) }
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invalid_assignment:
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| a=list ':' expression { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not list) can be annotated") }
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| a=tuple ':' expression { RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not tuple) can be annotated") }
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| a=invalid_ann_assign_target ':' expression {
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RAISE_SYNTAX_ERROR_KNOWN_LOCATION(
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a,
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"only single target (not %s) can be annotated",
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_PyPegen_get_expr_name(a)
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)}
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| a=star_named_expression ',' star_named_expressions* ':' expression {
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RAISE_SYNTAX_ERROR_KNOWN_LOCATION(a, "only single target (not tuple) can be annotated") }
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| a=expression ':' expression {
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@ -661,6 +665,10 @@ invalid_assignment:
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"'%s' is an illegal expression for augmented assignment",
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_PyPegen_get_expr_name(a)
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)}
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invalid_ann_assign_target[expr_ty]:
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| list
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| tuple
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| '(' a=invalid_ann_assign_target ')' { a }
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invalid_del_stmt:
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| 'del' a=star_expressions {
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RAISE_SYNTAX_ERROR_INVALID_TARGET(DEL_TARGETS, a) }
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@ -733,6 +733,19 @@ SyntaxError: trailing comma not allowed without surrounding parentheses
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Traceback (most recent call last):
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SyntaxError: trailing comma not allowed without surrounding parentheses
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>>> (): int
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Traceback (most recent call last):
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SyntaxError: only single target (not tuple) can be annotated
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>>> []: int
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Traceback (most recent call last):
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SyntaxError: only single target (not list) can be annotated
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>>> (()): int
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Traceback (most recent call last):
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SyntaxError: only single target (not tuple) can be annotated
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>>> ([]): int
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Traceback (most recent call last):
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SyntaxError: only single target (not list) can be annotated
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Corner-cases that used to fail to raise the correct error:
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>>> def f(*, x=lambda __debug__:0): pass
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466
Parser/parser.c
466
Parser/parser.c
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@ -213,173 +213,174 @@ static KeywordToken *reserved_keywords[] = {
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#define invalid_kwarg_type 1144
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#define invalid_named_expression_type 1145
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#define invalid_assignment_type 1146
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#define invalid_del_stmt_type 1147
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#define invalid_block_type 1148
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#define invalid_comprehension_type 1149
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#define invalid_dict_comprehension_type 1150
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#define invalid_parameters_type 1151
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#define invalid_lambda_parameters_type 1152
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#define invalid_star_etc_type 1153
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#define invalid_lambda_star_etc_type 1154
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#define invalid_double_type_comments_type 1155
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#define invalid_with_item_type 1156
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#define invalid_for_target_type 1157
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#define invalid_group_type 1158
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#define invalid_import_from_targets_type 1159
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#define _loop0_1_type 1160
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#define _loop0_2_type 1161
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#define _loop0_4_type 1162
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#define _gather_3_type 1163
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#define _loop0_6_type 1164
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#define _gather_5_type 1165
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#define _loop0_8_type 1166
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#define _gather_7_type 1167
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#define _loop0_10_type 1168
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#define _gather_9_type 1169
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#define _loop1_11_type 1170
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#define _loop0_13_type 1171
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#define _gather_12_type 1172
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#define _tmp_14_type 1173
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#define _tmp_15_type 1174
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#define _tmp_16_type 1175
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#define _tmp_17_type 1176
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#define _tmp_18_type 1177
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#define _tmp_19_type 1178
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#define _tmp_20_type 1179
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#define _tmp_21_type 1180
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#define _loop1_22_type 1181
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#define _tmp_23_type 1182
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#define _tmp_24_type 1183
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#define _loop0_26_type 1184
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#define _gather_25_type 1185
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#define _loop0_28_type 1186
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#define _gather_27_type 1187
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#define _tmp_29_type 1188
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#define _tmp_30_type 1189
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#define _loop0_31_type 1190
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#define _loop1_32_type 1191
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#define _loop0_34_type 1192
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#define _gather_33_type 1193
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#define _tmp_35_type 1194
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#define _loop0_37_type 1195
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#define _gather_36_type 1196
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#define _tmp_38_type 1197
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#define _loop0_40_type 1198
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#define _gather_39_type 1199
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#define _loop0_42_type 1200
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#define _gather_41_type 1201
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#define _loop0_44_type 1202
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#define _gather_43_type 1203
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#define _loop0_46_type 1204
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#define _gather_45_type 1205
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#define _tmp_47_type 1206
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#define _loop1_48_type 1207
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#define _tmp_49_type 1208
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#define _tmp_50_type 1209
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#define _tmp_51_type 1210
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#define _tmp_52_type 1211
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#define _tmp_53_type 1212
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#define _loop0_54_type 1213
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#define _loop0_55_type 1214
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#define _loop0_56_type 1215
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#define _loop1_57_type 1216
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#define _loop0_58_type 1217
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#define _loop1_59_type 1218
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#define _loop1_60_type 1219
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#define _loop1_61_type 1220
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#define _loop0_62_type 1221
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#define _loop1_63_type 1222
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#define _loop0_64_type 1223
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#define _loop1_65_type 1224
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#define _loop0_66_type 1225
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#define _loop1_67_type 1226
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#define _loop1_68_type 1227
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#define _tmp_69_type 1228
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#define _loop0_71_type 1229
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#define _gather_70_type 1230
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#define _loop1_72_type 1231
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#define _loop0_74_type 1232
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#define _gather_73_type 1233
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#define _loop1_75_type 1234
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#define _loop0_76_type 1235
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#define _loop0_77_type 1236
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#define _loop0_78_type 1237
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#define _loop1_79_type 1238
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#define _loop0_80_type 1239
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#define _loop1_81_type 1240
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#define _loop1_82_type 1241
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#define _loop1_83_type 1242
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#define _loop0_84_type 1243
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#define _loop1_85_type 1244
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#define _loop0_86_type 1245
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#define _loop1_87_type 1246
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#define _loop0_88_type 1247
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#define _loop1_89_type 1248
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#define _loop1_90_type 1249
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#define _loop1_91_type 1250
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#define _loop1_92_type 1251
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#define _tmp_93_type 1252
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#define _loop0_95_type 1253
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#define _gather_94_type 1254
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#define _tmp_96_type 1255
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#define _tmp_97_type 1256
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#define _tmp_98_type 1257
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#define _tmp_99_type 1258
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#define _loop1_100_type 1259
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#define _tmp_101_type 1260
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#define _tmp_102_type 1261
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#define _loop0_104_type 1262
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#define _gather_103_type 1263
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#define _loop1_105_type 1264
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#define _loop0_106_type 1265
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#define _loop0_107_type 1266
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#define _tmp_108_type 1267
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#define _tmp_109_type 1268
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#define _loop0_111_type 1269
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#define _gather_110_type 1270
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#define _loop0_113_type 1271
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#define _gather_112_type 1272
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#define _loop0_115_type 1273
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#define _gather_114_type 1274
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#define _loop0_117_type 1275
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#define _gather_116_type 1276
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#define _loop0_118_type 1277
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#define _loop0_120_type 1278
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#define _gather_119_type 1279
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#define _tmp_121_type 1280
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#define _loop0_123_type 1281
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#define _gather_122_type 1282
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#define _loop0_125_type 1283
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#define _gather_124_type 1284
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#define _tmp_126_type 1285
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#define _loop0_127_type 1286
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#define _loop0_128_type 1287
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#define _loop0_129_type 1288
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#define _tmp_130_type 1289
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#define _tmp_131_type 1290
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#define _loop0_132_type 1291
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#define _tmp_133_type 1292
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#define _loop0_134_type 1293
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#define _tmp_135_type 1294
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#define _tmp_136_type 1295
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#define _tmp_137_type 1296
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#define _tmp_138_type 1297
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#define _tmp_139_type 1298
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#define _tmp_140_type 1299
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#define _tmp_141_type 1300
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#define _tmp_142_type 1301
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#define _tmp_143_type 1302
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#define _tmp_144_type 1303
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#define _tmp_145_type 1304
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#define _tmp_146_type 1305
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#define _tmp_147_type 1306
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#define _tmp_148_type 1307
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#define _tmp_149_type 1308
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#define _tmp_150_type 1309
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#define _loop1_151_type 1310
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#define _loop1_152_type 1311
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#define _tmp_153_type 1312
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#define _tmp_154_type 1313
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#define invalid_ann_assign_target_type 1147
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#define invalid_del_stmt_type 1148
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#define invalid_block_type 1149
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#define invalid_comprehension_type 1150
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#define invalid_dict_comprehension_type 1151
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#define invalid_parameters_type 1152
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#define invalid_lambda_parameters_type 1153
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#define invalid_star_etc_type 1154
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#define invalid_lambda_star_etc_type 1155
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#define invalid_double_type_comments_type 1156
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#define invalid_with_item_type 1157
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#define invalid_for_target_type 1158
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#define invalid_group_type 1159
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#define invalid_import_from_targets_type 1160
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#define _loop0_1_type 1161
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#define _loop0_2_type 1162
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#define _loop0_4_type 1163
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#define _gather_3_type 1164
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#define _loop0_6_type 1165
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#define _gather_5_type 1166
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#define _loop0_8_type 1167
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#define _gather_7_type 1168
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#define _loop0_10_type 1169
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#define _gather_9_type 1170
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#define _loop1_11_type 1171
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#define _loop0_13_type 1172
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#define _gather_12_type 1173
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#define _tmp_14_type 1174
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#define _tmp_15_type 1175
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#define _tmp_16_type 1176
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#define _tmp_17_type 1177
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#define _tmp_18_type 1178
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#define _tmp_19_type 1179
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#define _tmp_20_type 1180
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#define _tmp_21_type 1181
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#define _loop1_22_type 1182
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#define _tmp_23_type 1183
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#define _tmp_24_type 1184
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#define _loop0_26_type 1185
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#define _gather_25_type 1186
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#define _loop0_28_type 1187
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#define _gather_27_type 1188
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#define _tmp_29_type 1189
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#define _tmp_30_type 1190
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#define _loop0_31_type 1191
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#define _loop1_32_type 1192
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#define _loop0_34_type 1193
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#define _gather_33_type 1194
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#define _tmp_35_type 1195
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#define _loop0_37_type 1196
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#define _gather_36_type 1197
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#define _tmp_38_type 1198
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#define _loop0_40_type 1199
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#define _gather_39_type 1200
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#define _loop0_42_type 1201
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#define _gather_41_type 1202
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#define _loop0_44_type 1203
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#define _gather_43_type 1204
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#define _loop0_46_type 1205
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#define _gather_45_type 1206
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#define _tmp_47_type 1207
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#define _loop1_48_type 1208
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#define _tmp_49_type 1209
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#define _tmp_50_type 1210
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#define _tmp_51_type 1211
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#define _tmp_52_type 1212
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#define _tmp_53_type 1213
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#define _loop0_54_type 1214
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#define _loop0_55_type 1215
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#define _loop0_56_type 1216
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#define _loop1_57_type 1217
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#define _loop0_58_type 1218
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#define _loop1_59_type 1219
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#define _loop1_60_type 1220
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#define _loop1_61_type 1221
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#define _loop0_62_type 1222
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#define _loop1_63_type 1223
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#define _loop0_64_type 1224
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#define _loop1_65_type 1225
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#define _loop0_66_type 1226
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#define _loop1_67_type 1227
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#define _loop1_68_type 1228
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#define _tmp_69_type 1229
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#define _loop0_71_type 1230
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#define _gather_70_type 1231
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#define _loop1_72_type 1232
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#define _loop0_74_type 1233
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#define _gather_73_type 1234
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#define _loop1_75_type 1235
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#define _loop0_76_type 1236
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#define _loop0_77_type 1237
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#define _loop0_78_type 1238
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#define _loop1_79_type 1239
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#define _loop0_80_type 1240
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#define _loop1_81_type 1241
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#define _loop1_82_type 1242
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#define _loop1_83_type 1243
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#define _loop0_84_type 1244
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#define _loop1_85_type 1245
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#define _loop0_86_type 1246
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#define _loop1_87_type 1247
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#define _loop0_88_type 1248
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#define _loop1_89_type 1249
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#define _loop1_90_type 1250
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#define _loop1_91_type 1251
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#define _loop1_92_type 1252
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#define _tmp_93_type 1253
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#define _loop0_95_type 1254
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#define _gather_94_type 1255
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#define _tmp_96_type 1256
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#define _tmp_97_type 1257
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#define _tmp_98_type 1258
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#define _tmp_99_type 1259
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#define _loop1_100_type 1260
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#define _tmp_101_type 1261
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#define _tmp_102_type 1262
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#define _loop0_104_type 1263
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#define _gather_103_type 1264
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#define _loop1_105_type 1265
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#define _loop0_106_type 1266
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#define _loop0_107_type 1267
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#define _tmp_108_type 1268
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#define _tmp_109_type 1269
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#define _loop0_111_type 1270
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#define _gather_110_type 1271
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#define _loop0_113_type 1272
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#define _gather_112_type 1273
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#define _loop0_115_type 1274
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#define _gather_114_type 1275
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#define _loop0_117_type 1276
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#define _gather_116_type 1277
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#define _loop0_118_type 1278
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#define _loop0_120_type 1279
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#define _gather_119_type 1280
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#define _tmp_121_type 1281
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#define _loop0_123_type 1282
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#define _gather_122_type 1283
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#define _loop0_125_type 1284
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#define _gather_124_type 1285
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#define _tmp_126_type 1286
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#define _loop0_127_type 1287
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#define _loop0_128_type 1288
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#define _loop0_129_type 1289
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#define _tmp_130_type 1290
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#define _tmp_131_type 1291
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#define _loop0_132_type 1292
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#define _tmp_133_type 1293
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#define _loop0_134_type 1294
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#define _tmp_135_type 1295
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#define _tmp_136_type 1296
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#define _tmp_137_type 1297
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#define _tmp_138_type 1298
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#define _tmp_139_type 1299
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#define _tmp_140_type 1300
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#define _tmp_141_type 1301
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#define _tmp_142_type 1302
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#define _tmp_143_type 1303
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#define _tmp_144_type 1304
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#define _tmp_145_type 1305
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#define _tmp_146_type 1306
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#define _tmp_147_type 1307
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#define _tmp_148_type 1308
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#define _tmp_149_type 1309
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#define _tmp_150_type 1310
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#define _loop1_151_type 1311
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#define _loop1_152_type 1312
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#define _tmp_153_type 1313
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#define _tmp_154_type 1314
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static mod_ty file_rule(Parser *p);
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static mod_ty interactive_rule(Parser *p);
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@ -528,6 +529,7 @@ static void *incorrect_arguments_rule(Parser *p);
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static void *invalid_kwarg_rule(Parser *p);
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static void *invalid_named_expression_rule(Parser *p);
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static void *invalid_assignment_rule(Parser *p);
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static expr_ty invalid_ann_assign_target_rule(Parser *p);
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static void *invalid_del_stmt_rule(Parser *p);
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static void *invalid_block_rule(Parser *p);
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static void *invalid_comprehension_rule(Parser *p);
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@ -14660,8 +14662,7 @@ invalid_named_expression_rule(Parser *p)
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}
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// invalid_assignment:
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// | list ':' expression
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// | tuple ':' expression
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// | invalid_ann_assign_target ':' expression
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// | star_named_expression ',' star_named_expressions* ':' expression
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// | expression ':' expression
|
||||
// | ((star_targets '='))* star_expressions '='
|
||||
|
|
@ -14677,25 +14678,25 @@ invalid_assignment_rule(Parser *p)
|
|||
}
|
||||
void * _res = NULL;
|
||||
int _mark = p->mark;
|
||||
{ // list ':' expression
|
||||
{ // invalid_ann_assign_target ':' expression
|
||||
if (p->error_indicator) {
|
||||
D(p->level--);
|
||||
return NULL;
|
||||
}
|
||||
D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "list ':' expression"));
|
||||
D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_ann_assign_target ':' expression"));
|
||||
Token * _literal;
|
||||
expr_ty a;
|
||||
expr_ty expression_var;
|
||||
if (
|
||||
(a = list_rule(p)) // list
|
||||
(a = invalid_ann_assign_target_rule(p)) // invalid_ann_assign_target
|
||||
&&
|
||||
(_literal = _PyPegen_expect_token(p, 11)) // token=':'
|
||||
&&
|
||||
(expression_var = expression_rule(p)) // expression
|
||||
)
|
||||
{
|
||||
D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "list ':' expression"));
|
||||
_res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "only single target (not list) can be annotated" );
|
||||
D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_ann_assign_target ':' expression"));
|
||||
_res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "only single target (not %s) can be annotated" , _PyPegen_get_expr_name ( a ) );
|
||||
if (_res == NULL && PyErr_Occurred()) {
|
||||
p->error_indicator = 1;
|
||||
D(p->level--);
|
||||
|
|
@ -14705,37 +14706,7 @@ invalid_assignment_rule(Parser *p)
|
|||
}
|
||||
p->mark = _mark;
|
||||
D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
|
||||
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "list ':' expression"));
|
||||
}
|
||||
{ // tuple ':' expression
|
||||
if (p->error_indicator) {
|
||||
D(p->level--);
|
||||
return NULL;
|
||||
}
|
||||
D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "tuple ':' expression"));
|
||||
Token * _literal;
|
||||
expr_ty a;
|
||||
expr_ty expression_var;
|
||||
if (
|
||||
(a = tuple_rule(p)) // tuple
|
||||
&&
|
||||
(_literal = _PyPegen_expect_token(p, 11)) // token=':'
|
||||
&&
|
||||
(expression_var = expression_rule(p)) // expression
|
||||
)
|
||||
{
|
||||
D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "tuple ':' expression"));
|
||||
_res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "only single target (not tuple) can be annotated" );
|
||||
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_assignment[%d-%d]: %s failed!\n", p->level, ' ',
|
||||
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "tuple ':' expression"));
|
||||
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_ann_assign_target ':' expression"));
|
||||
}
|
||||
{ // star_named_expression ',' star_named_expressions* ':' expression
|
||||
if (p->error_indicator) {
|
||||
|
|
@ -14899,6 +14870,91 @@ invalid_assignment_rule(Parser *p)
|
|||
return _res;
|
||||
}
|
||||
|
||||
// invalid_ann_assign_target: list | tuple | '(' invalid_ann_assign_target ')'
|
||||
static expr_ty
|
||||
invalid_ann_assign_target_rule(Parser *p)
|
||||
{
|
||||
D(p->level++);
|
||||
if (p->error_indicator) {
|
||||
D(p->level--);
|
||||
return NULL;
|
||||
}
|
||||
expr_ty _res = NULL;
|
||||
int _mark = p->mark;
|
||||
{ // list
|
||||
if (p->error_indicator) {
|
||||
D(p->level--);
|
||||
return NULL;
|
||||
}
|
||||
D(fprintf(stderr, "%*c> invalid_ann_assign_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "list"));
|
||||
expr_ty list_var;
|
||||
if (
|
||||
(list_var = list_rule(p)) // list
|
||||
)
|
||||
{
|
||||
D(fprintf(stderr, "%*c+ invalid_ann_assign_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "list"));
|
||||
_res = list_var;
|
||||
goto done;
|
||||
}
|
||||
p->mark = _mark;
|
||||
D(fprintf(stderr, "%*c%s invalid_ann_assign_target[%d-%d]: %s failed!\n", p->level, ' ',
|
||||
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "list"));
|
||||
}
|
||||
{ // tuple
|
||||
if (p->error_indicator) {
|
||||
D(p->level--);
|
||||
return NULL;
|
||||
}
|
||||
D(fprintf(stderr, "%*c> invalid_ann_assign_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "tuple"));
|
||||
expr_ty tuple_var;
|
||||
if (
|
||||
(tuple_var = tuple_rule(p)) // tuple
|
||||
)
|
||||
{
|
||||
D(fprintf(stderr, "%*c+ invalid_ann_assign_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "tuple"));
|
||||
_res = tuple_var;
|
||||
goto done;
|
||||
}
|
||||
p->mark = _mark;
|
||||
D(fprintf(stderr, "%*c%s invalid_ann_assign_target[%d-%d]: %s failed!\n", p->level, ' ',
|
||||
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "tuple"));
|
||||
}
|
||||
{ // '(' invalid_ann_assign_target ')'
|
||||
if (p->error_indicator) {
|
||||
D(p->level--);
|
||||
return NULL;
|
||||
}
|
||||
D(fprintf(stderr, "%*c> invalid_ann_assign_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' invalid_ann_assign_target ')'"));
|
||||
Token * _literal;
|
||||
Token * _literal_1;
|
||||
expr_ty a;
|
||||
if (
|
||||
(_literal = _PyPegen_expect_token(p, 7)) // token='('
|
||||
&&
|
||||
(a = invalid_ann_assign_target_rule(p)) // invalid_ann_assign_target
|
||||
&&
|
||||
(_literal_1 = _PyPegen_expect_token(p, 8)) // token=')'
|
||||
)
|
||||
{
|
||||
D(fprintf(stderr, "%*c+ invalid_ann_assign_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' invalid_ann_assign_target ')'"));
|
||||
_res = a;
|
||||
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_ann_assign_target[%d-%d]: %s failed!\n", p->level, ' ',
|
||||
p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' invalid_ann_assign_target ')'"));
|
||||
}
|
||||
_res = NULL;
|
||||
done:
|
||||
D(p->level--);
|
||||
return _res;
|
||||
}
|
||||
|
||||
// invalid_del_stmt: 'del' star_expressions
|
||||
static void *
|
||||
invalid_del_stmt_rule(Parser *p)
|
||||
|
|
|
|||
Loading…
Reference in New Issue