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Kirill Smelkov
cython
Commits
e8a2a0bd
Commit
e8a2a0bd
authored
Dec 07, 2008
by
Stefan Behnel
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code simplification
parent
57e40836
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1
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-31
Cython/Compiler/Optimize.py
Cython/Compiler/Optimize.py
+31
-31
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Cython/Compiler/Optimize.py
View file @
e8a2a0bd
...
...
@@ -314,41 +314,41 @@ class FlattenInListTransform(Visitor.VisitorTransform, SkipDeclarations):
else
:
return
node
if
isinstance
(
node
.
operand2
,
ExprNodes
.
TupleNode
)
or
isinstance
(
node
.
operand2
,
ExprNodes
.
ListNode
):
args
=
node
.
operand2
.
args
if
len
(
args
)
==
0
:
return
ExprNodes
.
BoolNode
(
pos
=
node
.
pos
,
value
=
node
.
operator
==
'not_in'
)
if
not
isinstance
(
node
.
operand2
,
(
ExprNodes
.
TupleNode
,
ExprNodes
.
ListNode
)):
return
node
if
node
.
operand1
.
is_simple
():
lhs
=
node
.
operand1
else
:
# FIXME: allocate temp for evaluated node.operand1
return
node
args
=
node
.
operand2
.
args
if
len
(
args
)
==
0
:
return
ExprNodes
.
BoolNode
(
pos
=
node
.
pos
,
value
=
node
.
operator
==
'not_in'
)
conds
=
[]
for
arg
in
args
:
cond
=
ExprNodes
.
PrimaryCmpNode
(
pos
=
node
.
pos
,
operand1
=
lhs
,
operator
=
eq_or_neq
,
operand2
=
arg
,
cascade
=
None
)
conds
.
append
(
ExprNodes
.
TypecastNode
(
pos
=
node
.
pos
,
operand
=
cond
,
type
=
PyrexTypes
.
c_bint_type
))
if
type
(
lhs
)
is
not
ExprNodes
.
CloneNode
:
lhs
=
ExprNodes
.
CloneNode
(
lhs
)
def
concat
(
left
,
right
):
return
ExprNodes
.
BoolBinopNode
(
pos
=
node
.
pos
,
operator
=
conjunction
,
operand1
=
left
,
operand2
=
right
)
return
reduce
(
concat
,
conds
)
if
True
or
node
.
operand1
.
is_simple
():
lhs
=
node
.
operand1
else
:
# FIXME: allocate temp for evaluated node.operand1
return
node
conds
=
[]
for
arg
in
args
:
cond
=
ExprNodes
.
PrimaryCmpNode
(
pos
=
node
.
pos
,
operand1
=
lhs
,
operator
=
eq_or_neq
,
operand2
=
arg
,
cascade
=
None
)
conds
.
append
(
ExprNodes
.
TypecastNode
(
pos
=
node
.
pos
,
operand
=
cond
,
type
=
PyrexTypes
.
c_bint_type
))
if
type
(
lhs
)
is
not
ExprNodes
.
CloneNode
:
lhs
=
ExprNodes
.
CloneNode
(
lhs
)
def
concat
(
left
,
right
):
return
ExprNodes
.
BoolBinopNode
(
pos
=
node
.
pos
,
operator
=
conjunction
,
operand1
=
left
,
operand2
=
right
)
return
reduce
(
concat
,
conds
)
def
visit_Node
(
self
,
node
):
self
.
visitchildren
(
node
)
...
...
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