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nexedi
cython
Commits
87c39bdb
Commit
87c39bdb
authored
Nov 17, 2008
by
Stefan Behnel
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fixed ref-count bug in try-except handling
parent
562dbd1f
Changes
2
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2 changed files
with
57 additions
and
0 deletions
+57
-0
Cython/Compiler/Nodes.py
Cython/Compiler/Nodes.py
+2
-0
tests/run/exceptionrefcount.pyx
tests/run/exceptionrefcount.pyx
+55
-0
No files found.
Cython/Compiler/Nodes.py
View file @
87c39bdb
...
@@ -3960,6 +3960,8 @@ class TryExceptStatNode(StatNode):
...
@@ -3960,6 +3960,8 @@ class TryExceptStatNode(StatNode):
self
.
else_clause
.
generate_execution_code
(
code
)
self
.
else_clause
.
generate_execution_code
(
code
)
code
.
putln
(
code
.
putln
(
"}"
)
"}"
)
for
var
in
Naming
.
exc_save_vars
:
code
.
put_xdecref_clear
(
var
,
py_object_type
)
code
.
put_goto
(
try_end_label
)
code
.
put_goto
(
try_end_label
)
code
.
put_label
(
our_error_label
)
code
.
put_label
(
our_error_label
)
code
.
put_var_xdecrefs_clear
(
self
.
cleanup_list
)
code
.
put_var_xdecrefs_clear
(
self
.
cleanup_list
)
...
...
tests/run/exceptionrefcount.pyx
0 → 100644
View file @
87c39bdb
__doc__
=
u"""
>>> class SampleException(Exception): pass
>>> import sys
>>> def assert_refcount(rc1, rc2, func):
... # test ref-counts, but allow a bit of freedom
... assert rc2 <= rc1 + 4, "%s, before: %d, after %d" % (
... func.__name__, rc1, rc2)
>>> def run_test(repeat, test_func):
... initial_refcount = sys.getrefcount(SampleException)
... for i in range(repeat):
... try: raise SampleException
... except:
... refcount1 = sys.getrefcount(SampleException)
... test_func()
... refcount2 = sys.getrefcount(SampleException)
...
... assert_refcount(refcount1, refcount2, test_func)
... assert_refcount(initial_refcount, refcount2, test_func)
... refcount3 = sys.getrefcount(SampleException)
... assert_refcount(refcount1, refcount3, test_func)
... assert_refcount(initial_refcount, refcount3, test_func)
>>> run_test(50, test_no_exception_else)
>>> run_test(50, test_no_exception)
>>> run_test(50, test_exception)
>>> run_test(50, test_finally)
"""
def
test_no_exception
():
try
:
a
=
1
+
1
except
:
pass
def
test_no_exception_else
():
try
:
a
=
1
+
1
except
:
pass
else
:
b
=
1
+
1
def
test_exception
():
try
:
raise
TypeError
except
:
pass
def
test_finally
():
try
:
a
=
1
+
1
finally
:
b
=
1
+
1
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