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Gwenaël Samain
cython
Commits
f3684727
Commit
f3684727
authored
Jul 28, 2014
by
Stefan Behnel
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avoid generating dead temp cleanup code after try blocks that return/break/continue at the end
parent
150d9bab
Changes
1
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9 additions
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5 deletions
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-5
Cython/Compiler/Nodes.py
Cython/Compiler/Nodes.py
+9
-5
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Cython/Compiler/Nodes.py
View file @
f3684727
...
...
@@ -6322,17 +6322,21 @@ class TryExceptStatNode(StatNode):
code
.
error_label
=
except_error_label
code
.
return_label
=
except_return_label
normal_case_terminates
=
self
.
body
.
is_terminator
if
self
.
else_clause
:
code
.
putln
(
"/*else:*/ {"
)
self
.
else_clause
.
generate_execution_code
(
code
)
code
.
putln
(
"}"
)
if
not
normal_case_terminates
:
normal_case_terminates
=
self
.
else_clause
.
is_terminator
if
can_raise
:
for
var
in
exc_save_vars
:
code
.
put_xdecref_clear
(
var
,
py_object_type
)
code
.
put_goto
(
try_end_label
)
if
not
normal_case_terminates
:
for
var
in
exc_save_vars
:
code
.
put_xdecref_clear
(
var
,
py_object_type
)
code
.
put_goto
(
try_end_label
)
code
.
put_label
(
our_error_label
)
for
temp_name
,
temp_type
in
temps_to_clean_up
:
code
.
put_xdecref_clear
(
temp_name
,
temp_type
)
...
...
@@ -6347,14 +6351,14 @@ class TryExceptStatNode(StatNode):
(
try_return_label
,
old_return_label
),
(
except_return_label
,
old_return_label
)]:
if
code
.
label_used
(
exit_label
):
if
not
code
.
label_used
(
try_end_label
):
if
not
normal_case_terminates
and
not
code
.
label_used
(
try_end_label
):
code
.
put_goto
(
try_end_label
)
code
.
put_label
(
exit_label
)
restore_saved_exception
()
code
.
put_goto
(
old_label
)
if
code
.
label_used
(
except_end_label
):
if
not
code
.
label_used
(
try_end_label
):
if
not
normal_case_terminates
and
not
code
.
label_used
(
try_end_label
):
code
.
put_goto
(
try_end_label
)
code
.
put_label
(
except_end_label
)
restore_saved_exception
()
...
...
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