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Kirill Smelkov
cython
Commits
ce2617e2
Commit
ce2617e2
authored
Dec 07, 2008
by
Stefan Behnel
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removed unused (and broken) PersistantNode
parent
bcf510fa
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1
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-59
Cython/Compiler/ExprNodes.py
Cython/Compiler/ExprNodes.py
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Cython/Compiler/ExprNodes.py
View file @
ce2617e2
...
...
@@ -4849,67 +4849,8 @@ class CloneNode(CoercionNode):
def
free_temps
(
self
,
code
):
pass
class
DISABLED_PersistentNode
(
ExprNode
):
# A PersistentNode is like a CloneNode except it handles the temporary
# allocation itself by keeping track of the number of times it has been
# used.
subexprs
=
[
"arg"
]
temp_counter
=
0
generate_counter
=
0
analyse_counter
=
0
result_code
=
None
def
__init__
(
self
,
arg
,
uses
):
self
.
pos
=
arg
.
pos
self
.
arg
=
arg
self
.
uses
=
uses
def
analyse_types
(
self
,
env
):
if
self
.
analyse_counter
==
0
:
self
.
arg
.
analyse_types
(
env
)
self
.
type
=
self
.
arg
.
type
self
.
result_ctype
=
self
.
arg
.
result_ctype
self
.
is_temp
=
1
self
.
analyse_counter
+=
1
def
calculate_result_code
(
self
):
return
self
.
result
()
def
generate_evaluation_code
(
self
,
code
):
if
self
.
generate_counter
==
0
:
self
.
arg
.
generate_evaluation_code
(
code
)
code
.
putln
(
"%s = %s;"
%
(
self
.
result
(),
self
.
arg
.
result_as
(
self
.
ctype
())))
if
self
.
type
.
is_pyobject
:
code
.
put_incref
(
self
.
result
(),
self
.
ctype
())
self
.
arg
.
generate_disposal_code
(
code
)
self
.
generate_counter
+=
1
def
generate_disposal_code
(
self
,
code
):
if
self
.
generate_counter
==
self
.
uses
:
if
self
.
type
.
is_pyobject
:
code
.
put_decref_clear
(
self
.
result
(),
self
.
ctype
())
def
allocate_temps
(
self
,
env
,
result
=
None
):
if
self
.
temp_counter
==
0
:
self
.
arg
.
allocate_temps
(
env
)
self
.
allocate_temp
(
env
,
result
)
self
.
arg
.
release_temp
(
env
)
self
.
temp_counter
+=
1
def
allocate_temp
(
self
,
env
,
result
=
None
):
if
result
is
None
:
self
.
result_code
=
env
.
allocate_temp
(
self
.
type
)
else
:
self
.
result_code
=
result
def
release_temp
(
self
,
env
):
if
self
.
temp_counter
==
self
.
uses
:
env
.
release_temp
(
self
.
result
())
#------------------------------------------------------------------------------------
#
# Runtime support code
...
...
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