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bpo-46344: Fix trace bug in else of try and try-star blocks (GH-30544) · python/cpython@9c2ebb9 · GitHub

  1. python
  2. cpython

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Commit 9c2ebb9

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iritkatriel
authored
bpo-46344: Fix trace bug in else of try and try-star blocks (GH-30544)
1 parent 443b308 commit 9c2ebb9

3 files changed

Lines changed: 56 additions & 32 deletions

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‎Lib/test/test_dis.py‎

Lines changed: 32 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -1182,7 +1182,7 @@ def _prepare_test_cases():
11821182
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=130, starts_line=None, is_jump_target=False, positions=None),
11831183
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=132, starts_line=None, is_jump_target=False, positions=None),
11841184
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=134, starts_line=None, is_jump_target=False, positions=None),
1185-
Instruction(opname='JUMP_FORWARD', opcode=110, arg=34, argval=206, argrepr='to 206', offset=136, starts_line=None, is_jump_target=False, positions=None),
1185+
Instruction(opname='JUMP_FORWARD', opcode=110, arg=35, argval=208, argrepr='to 208', offset=136, starts_line=None, is_jump_target=False, positions=None),
11861186
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=138, starts_line=22, is_jump_target=True, positions=None),
11871187
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=140, starts_line=None, is_jump_target=False, positions=None),
11881188
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=142, starts_line=None, is_jump_target=False, positions=None),
@@ -1199,7 +1199,7 @@ def _prepare_test_cases():
11991199
Instruction(opname='DUP_TOP', opcode=4, arg=None, argval=None, argrepr='', offset=164, starts_line=None, is_jump_target=False, positions=None),
12001200
Instruction(opname='CALL_NO_KW', opcode=169, arg=3, argval=3, argrepr='', offset=166, starts_line=None, is_jump_target=False, positions=None),
12011201
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=168, starts_line=None, is_jump_target=False, positions=None),
1202-
Instruction(opname='JUMP_FORWARD', opcode=110, arg=11, argval=194, argrepr='to 194', offset=170, starts_line=None, is_jump_target=False, positions=None),
1202+
Instruction(opname='JUMP_FORWARD', opcode=110, arg=25, argval=222, argrepr='to 222', offset=170, starts_line=None, is_jump_target=False, positions=None),
12031203
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=172, starts_line=None, is_jump_target=False, positions=None),
12041204
Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=174, starts_line=None, is_jump_target=False, positions=None),
12051205
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=93, argval=186, argrepr='to 186', offset=176, starts_line=None, is_jump_target=False, positions=None),
@@ -1211,28 +1211,36 @@ def _prepare_test_cases():
12111211
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=188, starts_line=None, is_jump_target=False, positions=None),
12121212
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=190, starts_line=None, is_jump_target=False, positions=None),
12131213
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=192, starts_line=None, is_jump_target=False, positions=None),
1214-
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=194, starts_line=28, is_jump_target=True, positions=None),
1215-
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=196, starts_line=None, is_jump_target=False, positions=None),
1216-
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=198, starts_line=None, is_jump_target=False, positions=None),
1217-
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=200, starts_line=None, is_jump_target=False, positions=None),
1218-
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=202, starts_line=None, is_jump_target=False, positions=None),
1219-
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=204, starts_line=None, is_jump_target=False, positions=None),
1220-
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=206, starts_line=23, is_jump_target=True, positions=None),
1221-
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=208, starts_line=28, is_jump_target=False, positions=None),
1222-
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=210, starts_line=None, is_jump_target=False, positions=None),
1223-
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=212, starts_line=None, is_jump_target=False, positions=None),
1224-
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=214, starts_line=None, is_jump_target=False, positions=None),
1225-
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=216, starts_line=None, is_jump_target=False, positions=None),
1226-
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=218, starts_line=None, is_jump_target=False, positions=None),
1227-
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=220, starts_line=None, is_jump_target=False, positions=None),
1228-
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=222, starts_line=None, is_jump_target=False, positions=None),
1229-
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=224, starts_line=None, is_jump_target=False, positions=None),
1230-
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=226, starts_line=None, is_jump_target=False, positions=None),
1231-
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=228, starts_line=None, is_jump_target=False, positions=None),
1232-
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=230, starts_line=None, is_jump_target=False, positions=None),
1233-
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=232, starts_line=None, is_jump_target=False, positions=None),
1234-
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=234, starts_line=None, is_jump_target=False, positions=None),
1235-
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=236, starts_line=None, is_jump_target=False, positions=None),
1214+
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=194, starts_line=None, is_jump_target=False, positions=None),
1215+
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=196, starts_line=28, is_jump_target=False, positions=None),
1216+
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=198, starts_line=None, is_jump_target=False, positions=None),
1217+
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=200, starts_line=None, is_jump_target=False, positions=None),
1218+
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=202, starts_line=None, is_jump_target=False, positions=None),
1219+
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=204, starts_line=None, is_jump_target=False, positions=None),
1220+
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=206, starts_line=None, is_jump_target=False, positions=None),
1221+
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=208, starts_line=23, is_jump_target=True, positions=None),
1222+
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=210, starts_line=28, is_jump_target=False, positions=None),
1223+
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=212, starts_line=None, is_jump_target=False, positions=None),
1224+
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=214, starts_line=None, is_jump_target=False, positions=None),
1225+
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=216, starts_line=None, is_jump_target=False, positions=None),
1226+
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=218, starts_line=None, is_jump_target=False, positions=None),
1227+
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=220, starts_line=None, is_jump_target=False, positions=None),
1228+
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=222, starts_line=25, is_jump_target=True, positions=None),
1229+
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=224, starts_line=28, is_jump_target=False, positions=None),
1230+
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=226, starts_line=None, is_jump_target=False, positions=None),
1231+
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=228, starts_line=None, is_jump_target=False, positions=None),
1232+
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=230, starts_line=None, is_jump_target=False, positions=None),
1233+
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=232, starts_line=None, is_jump_target=False, positions=None),
1234+
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=234, starts_line=None, is_jump_target=False, positions=None),
1235+
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=236, starts_line=None, is_jump_target=False, positions=None),
1236+
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=238, starts_line=None, is_jump_target=False, positions=None),
1237+
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=240, starts_line=None, is_jump_target=False, positions=None),
1238+
Instruction(opname='CALL_NO_KW', opcode=169, arg=1, argval=1, argrepr='', offset=242, starts_line=None, is_jump_target=False, positions=None),
1239+
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=244, starts_line=None, is_jump_target=False, positions=None),
1240+
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=246, starts_line=None, is_jump_target=False, positions=None),
1241+
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=248, starts_line=None, is_jump_target=False, positions=None),
1242+
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=250, starts_line=None, is_jump_target=False, positions=None),
1243+
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=252, starts_line=None, is_jump_target=False, positions=None),
12361244
]
12371245

12381246
# One last piece of inspect fodder to check the default line number handling

‎Lib/test/test_sys_settrace.py‎

Lines changed: 24 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -644,16 +644,25 @@ def func():
644644
4
645645
else:
646646
6
647+
if False:
648+
8
649+
else:
650+
10
651+
if func.__name__ == 'Fred':
652+
12
647653
finally:
648-
8
654+
14
649655

650656
self.run_and_compare(func,
651657
[(0, 'call'),
652658
(1, 'line'),
653659
(2, 'line'),
654660
(6, 'line'),
655-
(8, 'line'),
656-
(8, 'return')])
661+
(7, 'line'),
662+
(10, 'line'),
663+
(11, 'line'),
664+
(14, 'line'),
665+
(14, 'return')])
657666

658667
def test_nested_loops(self):
659668

@@ -1222,16 +1231,25 @@ def func():
12221231
4
12231232
else:
12241233
6
1234+
if False:
1235+
8
1236+
else:
1237+
10
1238+
if func.__name__ == 'Fred':
1239+
12
12251240
finally:
1226-
8
1241+
14
12271242

12281243
self.run_and_compare(func,
12291244
[(0, 'call'),
12301245
(1, 'line'),
12311246
(2, 'line'),
12321247
(6, 'line'),
1233-
(8, 'line'),
1234-
(8, 'return')])
1248+
(7, 'line'),
1249+
(10, 'line'),
1250+
(11, 'line'),
1251+
(14, 'line'),
1252+
(14, 'return')])
12351253

12361254
def test_try_except_star_named_no_exception(self):
12371255

‎Python/compile.c‎

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3475,7 +3475,6 @@ compiler_try_except(struct compiler *c, stmt_ty s)
34753475
POP_EXCEPT_AND_RERAISE(c);
34763476
compiler_use_next_block(c, orelse);
34773477
VISIT_SEQ(c, stmt, s->v.Try.orelse);
3478-
ADDOP_JUMP(c, JUMP_FORWARD, end);
34793478
compiler_use_next_block(c, end);
34803479
return 1;
34813480
}
@@ -3702,7 +3701,6 @@ compiler_try_star_except(struct compiler *c, stmt_ty s)
37023701
POP_EXCEPT_AND_RERAISE(c);
37033702
compiler_use_next_block(c, orelse);
37043703
VISIT_SEQ(c, stmt, s->v.TryStar.orelse);
3705-
ADDOP_JUMP(c, JUMP_FORWARD, end);
37063704
compiler_use_next_block(c, end);
37073705
return 1;
37083706
}

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