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Gwenaël Samain
cython
Commits
dc54ee46
Commit
dc54ee46
authored
Dec 02, 2010
by
Stefan Behnel
Browse files
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Browse Files
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Plain Diff
clean up evil import collisions in ParseTreeTransforms.py
parent
3ccc783a
Changes
1
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1 changed file
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84 additions
and
77 deletions
+84
-77
Cython/Compiler/ParseTreeTransforms.py
Cython/Compiler/ParseTreeTransforms.py
+84
-77
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Cython/Compiler/ParseTreeTransforms.py
View file @
dc54ee46
import
cython
cython
.
declare
(
copy
=
object
,
ModuleNode
=
object
,
TreeFragment
=
object
,
TemplateTransform
=
object
,
EncodedString
=
object
,
error
=
object
,
warning
=
object
,
PyrexTypes
=
object
,
Naming
=
object
)
cython
.
declare
(
PyrexTypes
=
object
,
Naming
=
object
,
ExprNodes
=
object
,
Nodes
=
object
,
Options
=
object
,
UtilNodes
=
object
,
ModuleNode
=
object
,
LetNode
=
object
,
LetRefNode
=
object
,
TreeFragment
=
object
,
TemplateTransform
=
object
,
EncodedString
=
object
,
error
=
object
,
warning
=
object
,
copy
=
object
)
import
PyrexTypes
import
Naming
import
ExprNodes
import
Nodes
import
Options
from
Cython.Compiler.Visitor
import
VisitorTransform
,
TreeVisitor
from
Cython.Compiler.Visitor
import
CythonTransform
,
EnvTransform
,
ScopeTrackingTransform
from
Cython.Compiler.ModuleNode
import
ModuleNode
from
Cython.Compiler.Nodes
import
*
from
Cython.Compiler.ExprNodes
import
*
from
Cython.Compiler.UtilNodes
import
*
from
Cython.Compiler.UtilNodes
import
LetNode
,
LetRefNode
from
Cython.Compiler.TreeFragment
import
TreeFragment
,
TemplateTransform
from
Cython.Compiler.StringEncoding
import
EncodedString
from
Cython.Compiler.Errors
import
error
,
warning
,
CompileError
from
Cython.Compiler
import
PyrexTypes
,
Naming
from
Cython.Compiler.Errors
import
error
,
warning
,
CompileError
,
InternalError
import
copy
...
...
@@ -98,7 +104,7 @@ class NormalizeTree(CythonTransform):
self
.
visitchildren
(
node
)
self
.
is_in_statlist
=
stacktmp
if
not
self
.
is_in_statlist
and
not
self
.
is_in_expr
:
return
StatListNode
(
pos
=
node
.
pos
,
stats
=
[
node
])
return
Nodes
.
StatListNode
(
pos
=
node
.
pos
,
stats
=
[
node
])
else
:
return
node
...
...
@@ -120,7 +126,7 @@ class NormalizeTree(CythonTransform):
# Eliminate PassStatNode
def
visit_PassStatNode
(
self
,
node
):
if
not
self
.
is_in_statlist
:
return
StatListNode
(
pos
=
node
.
pos
,
stats
=
[])
return
Nodes
.
StatListNode
(
pos
=
node
.
pos
,
stats
=
[])
else
:
return
[]
...
...
@@ -197,7 +203,7 @@ class PostParse(ScopeTrackingTransform):
# cdef variables
def
handle_bufferdefaults
(
self
,
decl
):
if
not
isinstance
(
decl
.
default
,
DictNode
):
if
not
isinstance
(
decl
.
default
,
ExprNodes
.
DictNode
):
raise
PostParseError
(
decl
.
pos
,
ERR_BUF_DEFAULTS
)
self
.
scope_node
.
buffer_defaults_node
=
decl
.
default
self
.
scope_node
.
buffer_defaults_pos
=
decl
.
pos
...
...
@@ -213,12 +219,12 @@ class PostParse(ScopeTrackingTransform):
newdecls
=
[]
for
decl
in
node
.
declarators
:
declbase
=
decl
while
isinstance
(
declbase
,
CPtrDeclaratorNode
):
while
isinstance
(
declbase
,
Nodes
.
CPtrDeclaratorNode
):
declbase
=
declbase
.
base
if
isinstance
(
declbase
,
CNameDeclaratorNode
):
if
isinstance
(
declbase
,
Nodes
.
CNameDeclaratorNode
):
if
declbase
.
default
is
not
None
:
if
self
.
scope_type
in
(
'cclass'
,
'pyclass'
,
'struct'
):
if
isinstance
(
self
.
scope_node
,
CClassDefNode
):
if
isinstance
(
self
.
scope_node
,
Nodes
.
CClassDefNode
):
handler
=
self
.
specialattribute_handlers
.
get
(
decl
.
name
)
if
handler
:
if
decl
is
not
declbase
:
...
...
@@ -227,8 +233,8 @@ class PostParse(ScopeTrackingTransform):
continue
# Remove declaration
raise
PostParseError
(
decl
.
pos
,
ERR_CDEF_INCLASS
)
first_assignment
=
self
.
scope_type
!=
'module'
stats
.
append
(
SingleAssignmentNode
(
node
.
pos
,
lhs
=
NameNode
(
node
.
pos
,
name
=
declbase
.
name
),
stats
.
append
(
Nodes
.
SingleAssignmentNode
(
node
.
pos
,
lhs
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
declbase
.
name
),
rhs
=
declbase
.
default
,
first
=
first_assignment
))
declbase
.
default
=
None
newdecls
.
append
(
decl
)
...
...
@@ -505,11 +511,11 @@ class PxdPostParse(CythonTransform, SkipDeclarations):
# an imp they are CVarDefNodes..)
err
=
self
.
ERR_INLINE_ONLY
if
(
isinstance
(
node
,
DefNode
)
and
self
.
scope_type
==
'cclass'
if
(
isinstance
(
node
,
Nodes
.
DefNode
)
and
self
.
scope_type
==
'cclass'
and
node
.
name
in
(
'__getbuffer__'
,
'__releasebuffer__'
)):
err
=
None
# allow these slots
if
isinstance
(
node
,
CFuncDefNode
):
if
isinstance
(
node
,
Nodes
.
CFuncDefNode
):
if
u'inline'
in
node
.
modifiers
and
self
.
scope_type
==
'pxd'
:
node
.
inline_in_pxd
=
True
if
node
.
visibility
!=
'private'
:
...
...
@@ -554,21 +560,21 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
and which names the "cython" module may have been imported to.
"""
unop_method_nodes
=
{
'typeof'
:
TypeofNode
,
'typeof'
:
ExprNodes
.
TypeofNode
,
'operator.address'
:
AmpersandNode
,
'operator.dereference'
:
DereferenceNode
,
'operator.preincrement'
:
inc_dec_constructor
(
True
,
'++'
),
'operator.predecrement'
:
inc_dec_constructor
(
True
,
'--'
),
'operator.postincrement'
:
inc_dec_constructor
(
False
,
'++'
),
'operator.postdecrement'
:
inc_dec_constructor
(
False
,
'--'
),
'operator.address'
:
ExprNodes
.
AmpersandNode
,
'operator.dereference'
:
ExprNodes
.
DereferenceNode
,
'operator.preincrement'
:
ExprNodes
.
inc_dec_constructor
(
True
,
'++'
),
'operator.predecrement'
:
ExprNodes
.
inc_dec_constructor
(
True
,
'--'
),
'operator.postincrement'
:
ExprNodes
.
inc_dec_constructor
(
False
,
'++'
),
'operator.postdecrement'
:
ExprNodes
.
inc_dec_constructor
(
False
,
'--'
),
# For backwards compatability.
'address'
:
AmpersandNode
,
'address'
:
ExprNodes
.
AmpersandNode
,
}
binop_method_nodes
=
{
'operator.comma'
:
c_binop_constructor
(
','
),
'operator.comma'
:
ExprNodes
.
c_binop_constructor
(
','
),
}
special_methods
=
cython
.
set
([
'declare'
,
'union'
,
'struct'
,
'typedef'
,
'sizeof'
,
...
...
@@ -666,9 +672,9 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
return
node
def
visit_SingleAssignmentNode
(
self
,
node
):
if
(
isinstance
(
node
.
rhs
,
ImportNode
)
and
if
(
isinstance
(
node
.
rhs
,
ExprNodes
.
ImportNode
)
and
node
.
rhs
.
module_name
.
value
==
u'cython'
):
node
=
CImportStatNode
(
node
.
pos
,
node
=
Nodes
.
CImportStatNode
(
node
.
pos
,
module_name
=
u'cython'
,
as_name
=
node
.
lhs
.
name
)
self
.
visit_CImportStatNode
(
node
)
...
...
@@ -687,7 +693,7 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
# If node is the contents of an directive (in a with statement or
# decorator), returns a list of (directivename, value) pairs.
# Otherwise, returns None
if
isinstance
(
node
,
CallNode
):
if
isinstance
(
node
,
ExprNodes
.
CallNode
):
self
.
visit
(
node
.
function
)
optname
=
node
.
function
.
as_cython_attribute
()
if
optname
:
...
...
@@ -712,7 +718,7 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
return
directives
directives
.
append
(
self
.
try_to_parse_directive
(
optname
,
args
,
kwds
,
node
.
function
.
pos
))
return
directives
elif
isinstance
(
node
,
(
AttributeNode
,
NameNode
)):
elif
isinstance
(
node
,
(
ExprNodes
.
AttributeNode
,
ExprNodes
.
NameNode
)):
self
.
visit
(
node
)
optname
=
node
.
as_cython_attribute
()
if
optname
:
...
...
@@ -728,15 +734,16 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
def
try_to_parse_directive
(
self
,
optname
,
args
,
kwds
,
pos
):
directivetype
=
Options
.
directive_types
.
get
(
optname
)
if
len
(
args
)
==
1
and
isinstance
(
args
[
0
],
NoneNode
):
if
len
(
args
)
==
1
and
isinstance
(
args
[
0
],
ExprNodes
.
NoneNode
):
return
optname
,
Options
.
directive_defaults
[
optname
]
elif
directivetype
is
bool
:
if
kwds
is
not
None
or
len
(
args
)
!=
1
or
not
isinstance
(
args
[
0
],
BoolNode
):
if
kwds
is
not
None
or
len
(
args
)
!=
1
or
not
isinstance
(
args
[
0
],
ExprNodes
.
BoolNode
):
raise
PostParseError
(
pos
,
'The %s directive takes one compile-time boolean argument'
%
optname
)
return
(
optname
,
args
[
0
].
value
)
elif
directivetype
is
str
:
if
kwds
is
not
None
or
len
(
args
)
!=
1
or
not
isinstance
(
args
[
0
],
(
StringNode
,
UnicodeNode
)):
if
kwds
is
not
None
or
len
(
args
)
!=
1
or
not
isinstance
(
args
[
0
],
(
ExprNodes
.
StringNode
,
ExprNodes
.
UnicodeNode
)):
raise
PostParseError
(
pos
,
'The %s directive takes one compile-time string argument'
%
optname
)
return
(
optname
,
str
(
args
[
0
].
value
))
...
...
@@ -758,9 +765,9 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
newdirectives
=
copy
.
copy
(
olddirectives
)
newdirectives
.
update
(
directives
)
self
.
directives
=
newdirectives
assert
isinstance
(
body
,
StatListNode
),
body
assert
isinstance
(
body
,
Nodes
.
StatListNode
),
body
retbody
=
self
.
visit_Node
(
body
)
directive
=
CompilerDirectivesNode
(
pos
=
retbody
.
pos
,
body
=
retbody
,
directive
=
Nodes
.
CompilerDirectivesNode
(
pos
=
retbody
.
pos
,
body
=
retbody
,
directives
=
newdirectives
)
self
.
directives
=
olddirectives
return
directive
...
...
@@ -770,7 +777,7 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
directives
=
self
.
_extract_directives
(
node
,
'function'
)
if
not
directives
:
return
self
.
visit_Node
(
node
)
body
=
StatListNode
(
node
.
pos
,
stats
=
[
node
])
body
=
Nodes
.
StatListNode
(
node
.
pos
,
stats
=
[
node
])
return
self
.
visit_with_directives
(
body
,
directives
)
def
visit_CVarDefNode
(
self
,
node
):
...
...
@@ -789,14 +796,14 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
directives
=
self
.
_extract_directives
(
node
,
'cclass'
)
if
not
directives
:
return
self
.
visit_Node
(
node
)
body
=
StatListNode
(
node
.
pos
,
stats
=
[
node
])
body
=
Nodes
.
StatListNode
(
node
.
pos
,
stats
=
[
node
])
return
self
.
visit_with_directives
(
body
,
directives
)
def
visit_PyClassDefNode
(
self
,
node
):
directives
=
self
.
_extract_directives
(
node
,
'class'
)
if
not
directives
:
return
self
.
visit_Node
(
node
)
body
=
StatListNode
(
node
.
pos
,
stats
=
[
node
])
body
=
Nodes
.
StatListNode
(
node
.
pos
,
stats
=
[
node
])
return
self
.
visit_with_directives
(
body
,
directives
)
def
_extract_directives
(
self
,
node
,
scope_name
):
...
...
@@ -813,7 +820,7 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
directives
.
append
(
directive
)
else
:
realdecs
.
append
(
dec
)
if
realdecs
and
isinstance
(
node
,
(
CFuncDefNode
,
CClassDefNode
)):
if
realdecs
and
isinstance
(
node
,
(
Nodes
.
CFuncDefNode
,
Nodes
.
CClassDefNode
)):
raise
PostParseError
(
realdecs
[
0
].
pos
,
"Cdef functions/classes cannot take arbitrary decorators."
)
else
:
node
.
decorators
=
realdecs
...
...
@@ -848,7 +855,7 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
name
,
value
=
directive
if
name
==
'nogil'
:
# special case: in pure mode, "with nogil" spells "with cython.nogil"
node
=
GILStatNode
(
node
.
pos
,
state
=
"nogil"
,
body
=
node
.
body
)
node
=
Nodes
.
GILStatNode
(
node
.
pos
,
state
=
"nogil"
,
body
=
node
.
body
)
return
self
.
visit_Node
(
node
)
if
self
.
check_directive_scope
(
node
.
pos
,
name
,
'with statement'
):
directive_dict
[
name
]
=
value
...
...
@@ -908,7 +915,7 @@ class WithTransform(CythonTransform, SkipDeclarations):
handle
=
"__tmpvar_%d"
%
TemplateTransform
.
temp_name_counter
self
.
visitchildren
(
node
,
[
'body'
])
excinfo_temp
=
NameNode
(
node
.
pos
,
name
=
handle
)
#TempHandle(Builtin.tuple_type)
excinfo_temp
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
handle
)
#TempHandle(Builtin.tuple_type)
if
node
.
target
is
not
None
:
result
=
self
.
template_with_target
.
substitute
({
u'EXPR'
:
node
.
manager
,
...
...
@@ -925,7 +932,7 @@ class WithTransform(CythonTransform, SkipDeclarations):
# Set except excinfo target to EXCINFO
try_except
=
result
.
stats
[
-
1
].
body
.
stats
[
-
1
]
try_except
.
except_clauses
[
0
].
excinfo_target
=
NameNode
(
node
.
pos
,
name
=
handle
)
try_except
.
except_clauses
[
0
].
excinfo_target
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
handle
)
# excinfo_temp.ref(node.pos))
# result.stats[-1].body.stats[-1] = TempsBlockNode(
...
...
@@ -972,15 +979,15 @@ class DecoratorTransform(CythonTransform, SkipDeclarations):
class_node
,
class_node
.
name
)
def
_handle_decorators
(
self
,
node
,
name
):
decorator_result
=
NameNode
(
node
.
pos
,
name
=
name
)
decorator_result
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
name
)
for
decorator
in
node
.
decorators
[::
-
1
]:
decorator_result
=
SimpleCallNode
(
decorator_result
=
ExprNodes
.
SimpleCallNode
(
decorator
.
pos
,
function
=
decorator
.
decorator
,
args
=
[
decorator_result
])
name_node
=
NameNode
(
node
.
pos
,
name
=
name
)
reassignment
=
SingleAssignmentNode
(
name_node
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
name
)
reassignment
=
Nodes
.
SingleAssignmentNode
(
node
.
pos
,
lhs
=
name_node
,
rhs
=
decorator_result
)
...
...
@@ -1139,8 +1146,8 @@ property NAME:
elif
entry
.
visibility
==
'readonly'
:
template
=
self
.
basic_property_ro
property
=
template
.
substitute
({
u"ATTR"
:
AttributeNode
(
pos
=
entry
.
pos
,
obj
=
NameNode
(
pos
=
entry
.
pos
,
name
=
"self"
),
u"ATTR"
:
ExprNodes
.
AttributeNode
(
pos
=
entry
.
pos
,
obj
=
ExprNodes
.
NameNode
(
pos
=
entry
.
pos
,
name
=
"self"
),
attribute
=
entry
.
name
),
},
pos
=
entry
.
pos
).
stats
[
0
]
property
.
name
=
entry
.
name
...
...
@@ -1194,26 +1201,26 @@ class ExpandInplaceOperators(EnvTransform):
if
lhs
.
type
.
is_cpp_class
:
# No getting around this exact operator here.
return
node
if
isinstance
(
lhs
,
IndexNode
)
and
lhs
.
is_buffer_access
:
if
isinstance
(
lhs
,
ExprNodes
.
IndexNode
)
and
lhs
.
is_buffer_access
:
# There is code to handle this case.
return
node
env
=
self
.
current_env
()
def
side_effect_free_reference
(
node
,
setting
=
False
):
if
isinstance
(
node
,
NameNode
):
if
isinstance
(
node
,
ExprNodes
.
NameNode
):
return
node
,
[]
elif
node
.
type
.
is_pyobject
and
not
setting
:
node
=
LetRefNode
(
node
)
return
node
,
[
node
]
elif
isinstance
(
node
,
IndexNode
):
elif
isinstance
(
node
,
ExprNodes
.
IndexNode
):
if
node
.
is_buffer_access
:
raise
ValueError
,
"Buffer access"
base
,
temps
=
side_effect_free_reference
(
node
.
base
)
index
=
LetRefNode
(
node
.
index
)
return
IndexNode
(
node
.
pos
,
base
=
base
,
index
=
index
),
temps
+
[
index
]
elif
isinstance
(
node
,
AttributeNode
):
return
ExprNodes
.
IndexNode
(
node
.
pos
,
base
=
base
,
index
=
index
),
temps
+
[
index
]
elif
isinstance
(
node
,
ExprNodes
.
AttributeNode
):
obj
,
temps
=
side_effect_free_reference
(
node
.
obj
)
return
AttributeNode
(
node
.
pos
,
obj
=
obj
,
attribute
=
node
.
attribute
),
temps
return
ExprNodes
.
AttributeNode
(
node
.
pos
,
obj
=
obj
,
attribute
=
node
.
attribute
),
temps
else
:
node
=
LetRefNode
(
node
)
return
node
,
[
node
]
...
...
@@ -1222,7 +1229,7 @@ class ExpandInplaceOperators(EnvTransform):
except
ValueError
:
return
node
dup
=
lhs
.
__class__
(
**
lhs
.
__dict__
)
binop
=
binop_node
(
node
.
pos
,
binop
=
ExprNodes
.
binop_node
(
node
.
pos
,
operator
=
node
.
operator
,
operand1
=
dup
,
operand2
=
rhs
,
...
...
@@ -1231,7 +1238,7 @@ class ExpandInplaceOperators(EnvTransform):
lhs
.
analyse_target_types
(
env
)
dup
.
analyse_types
(
env
)
binop
.
analyse_operation
(
env
)
node
=
SingleAssignmentNode
(
node
=
Nodes
.
SingleAssignmentNode
(
node
.
pos
,
lhs
=
lhs
,
rhs
=
binop
.
coerce_to
(
lhs
.
type
,
env
))
...
...
@@ -1487,11 +1494,11 @@ class TransformBuiltinMethods(EnvTransform):
attribute
=
node
.
as_cython_attribute
()
if
attribute
:
if
attribute
==
u'compiled'
:
node
=
BoolNode
(
node
.
pos
,
value
=
True
)
node
=
ExprNodes
.
BoolNode
(
node
.
pos
,
value
=
True
)
elif
attribute
==
u'NULL'
:
node
=
NullNode
(
node
.
pos
)
node
=
ExprNodes
.
NullNode
(
node
.
pos
)
elif
attribute
in
(
u'set'
,
u'frozenset'
):
node
=
NameNode
(
node
.
pos
,
name
=
EncodedString
(
attribute
),
node
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
EncodedString
(
attribute
),
entry
=
self
.
current_env
().
builtin_scope
().
lookup_here
(
attribute
))
elif
not
PyrexTypes
.
parse_basic_type
(
attribute
):
error
(
node
.
pos
,
u"'%s' not a valid cython attribute or is being used incorrectly"
%
attribute
)
...
...
@@ -1536,7 +1543,7 @@ class TransformBuiltinMethods(EnvTransform):
else
:
type
=
node
.
args
[
0
].
analyse_as_type
(
self
.
current_env
())
if
type
:
node
=
TypecastNode
(
node
.
function
.
pos
,
type
=
type
,
operand
=
node
.
args
[
1
])
node
=
ExprNodes
.
TypecastNode
(
node
.
function
.
pos
,
type
=
type
,
operand
=
node
.
args
[
1
])
else
:
error
(
node
.
args
[
0
].
pos
,
"Not a type"
)
elif
function
==
u'sizeof'
:
...
...
@@ -1545,23 +1552,23 @@ class TransformBuiltinMethods(EnvTransform):
else
:
type
=
node
.
args
[
0
].
analyse_as_type
(
self
.
current_env
())
if
type
:
node
=
SizeofTypeNode
(
node
.
function
.
pos
,
arg_type
=
type
)
node
=
ExprNodes
.
SizeofTypeNode
(
node
.
function
.
pos
,
arg_type
=
type
)
else
:
node
=
SizeofVarNode
(
node
.
function
.
pos
,
operand
=
node
.
args
[
0
])
node
=
ExprNodes
.
SizeofVarNode
(
node
.
function
.
pos
,
operand
=
node
.
args
[
0
])
elif
function
==
'cmod'
:
if
len
(
node
.
args
)
!=
2
:
error
(
node
.
function
.
pos
,
u"cmod() takes exactly two arguments"
)
else
:
node
=
binop_node
(
node
.
function
.
pos
,
'%'
,
node
.
args
[
0
],
node
.
args
[
1
])
node
=
ExprNodes
.
binop_node
(
node
.
function
.
pos
,
'%'
,
node
.
args
[
0
],
node
.
args
[
1
])
node
.
cdivision
=
True
elif
function
==
'cdiv'
:
if
len
(
node
.
args
)
!=
2
:
error
(
node
.
function
.
pos
,
u"cdiv() takes exactly two arguments"
)
else
:
node
=
binop_node
(
node
.
function
.
pos
,
'/'
,
node
.
args
[
0
],
node
.
args
[
1
])
node
=
ExprNodes
.
binop_node
(
node
.
function
.
pos
,
'/'
,
node
.
args
[
0
],
node
.
args
[
1
])
node
.
cdivision
=
True
elif
function
==
u'set'
:
node
.
function
=
NameNode
(
node
.
pos
,
name
=
EncodedString
(
'set'
))
node
.
function
=
ExprNodes
.
NameNode
(
node
.
pos
,
name
=
EncodedString
(
'set'
))
else
:
error
(
node
.
function
.
pos
,
u"'%s' not a valid cython language construct"
%
function
)
...
...
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