Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

gh-105658: fix excess trace events for except block ending with a conditional block #109384

Merged
merged 4 commits into from
Sep 14, 2023
Merged

gh-105658: fix excess trace events for except block ending with a conditional block #109384

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
c96ba2e
gh-109156: fix excess trace events for except block ending with a con…
iritkatriel Sep 13, 2023
ce7aa48
Merge remote-tracking branch 'upstream/main' into lineno-try
iritkatriel Sep 13, 2023
f5d2eee
typo
iritkatriel Sep 14, 2023
ee10731
add test
iritkatriel Sep 14, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
12 changes: 7 additions & 5 deletions Lib/test/test_dis.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -642,7 +642,8 @@ def _tryfinallyconst(b):
CALL 0
POP_TOP
RERAISE 0
>> COPY 3

None >> COPY 3
POP_EXCEPT
RERAISE 1
ExceptionTable:
Expand Down Expand Up @@ -674,7 +675,8 @@ def _tryfinallyconst(b):
CALL 0
POP_TOP
RERAISE 0
>> COPY 3

None >> COPY 3
POP_EXCEPT
RERAISE 1
ExceptionTable:
Expand Down Expand Up @@ -1822,9 +1824,9 @@ def _prepare_test_cases():
Instruction(opname='CALL', opcode=53, arg=1, argval=1, argrepr='', offset=414, start_offset=414, starts_line=False, line_number=28, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=32, arg=None, argval=None, argrepr='', offset=422, start_offset=422, starts_line=False, line_number=28, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=102, arg=0, argval=0, argrepr='', offset=424, start_offset=424, starts_line=False, line_number=28, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=61, arg=3, argval=3, argrepr='', offset=426, start_offset=426, starts_line=False, line_number=28, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=31, arg=None, argval=None, argrepr='', offset=428, start_offset=428, starts_line=False, line_number=28, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=102, arg=1, argval=1, argrepr='', offset=430, start_offset=430, starts_line=False, line_number=28, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=61, arg=3, argval=3, argrepr='', offset=426, start_offset=426, starts_line=True, line_number=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=31, arg=None, argval=None, argrepr='', offset=428, start_offset=428, starts_line=False, line_number=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=102, arg=1, argval=1, argrepr='', offset=430, start_offset=430, starts_line=False, line_number=None, is_jump_target=False, positions=None),
]

# One last piece of inspect fodder to check the default line number handling
Expand Down
2 changes: 1 addition & 1 deletion Lib/test/test_sys_settrace.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2123,7 +2123,7 @@ def test_jump_in_nested_finally_3(output):
output.append(11)
output.append(12)

@jump_test(5, 11, [2, 4], (ValueError, 'exception'))
@jump_test(5, 11, [2, 4], (ValueError, 'comes after the current code block'))
def test_no_jump_over_return_try_finally_in_finally_block(output):
try:
output.append(2)
Expand Down
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2023-09-13-19-16-51.gh-issue-105658.z2nR2u.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix bug where the line trace of an except block ending with a conditional
includes an excess even with the line of the conditional expression.
iritkatriel marked this conversation as resolved.
Show resolved Hide resolved
16 changes: 2 additions & 14 deletions Python/compile.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3261,18 +3261,6 @@ compiler_continue(struct compiler *c, location loc)
}


static location
location_of_last_executing_statement(asdl_stmt_seq *stmts)
{
for (Py_ssize_t i = asdl_seq_LEN(stmts) - 1; i >= 0; i++) {
location loc = LOC((stmt_ty)asdl_seq_GET(stmts, i));
if (loc.lineno > 0) {
return loc;
}
}
return NO_LOCATION;
}

/* Code generated for "try: <body> finally: <finalbody>" is as follows:

SETUP_FINALLY L
Expand Down Expand Up @@ -3341,9 +3329,9 @@ compiler_try_finally(struct compiler *c, stmt_ty s)
RETURN_IF_ERROR(
compiler_push_fblock(c, loc, FINALLY_END, end, NO_LABEL, NULL));
VISIT_SEQ(c, stmt, s->v.Try.finalbody);
loc = location_of_last_executing_statement(s->v.Try.finalbody);
compiler_pop_fblock(c, FINALLY_END, end);

loc = NO_LOCATION;
ADDOP_I(c, loc, RERAISE, 0);

USE_LABEL(c, cleanup);
Expand Down Expand Up @@ -3392,9 +3380,9 @@ compiler_try_star_finally(struct compiler *c, stmt_ty s)
compiler_push_fblock(c, loc, FINALLY_END, end, NO_LABEL, NULL));

VISIT_SEQ(c, stmt, s->v.TryStar.finalbody);
loc = location_of_last_executing_statement(s->v.Try.finalbody);

compiler_pop_fblock(c, FINALLY_END, end);
loc = NO_LOCATION;
ADDOP_I(c, loc, RERAISE, 0);

USE_LABEL(c, cleanup);
Expand Down