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Gwenaël Samain
cython
Commits
1f8ffaa1
Commit
1f8ffaa1
authored
Oct 25, 2009
by
Stefan Behnel
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ticket 436: efficiently support char*.decode() through C-API calls
parent
eed632a1
Changes
5
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5 changed files
with
180 additions
and
62 deletions
+180
-62
Cython/Compiler/Main.py
Cython/Compiler/Main.py
+1
-1
Cython/Compiler/Optimize.py
Cython/Compiler/Optimize.py
+134
-45
Cython/Compiler/ParseTreeTransforms.py
Cython/Compiler/ParseTreeTransforms.py
+2
-16
Cython/Compiler/Visitor.py
Cython/Compiler/Visitor.py
+16
-0
tests/run/carray_slicing.pyx
tests/run/carray_slicing.pyx
+27
-0
No files found.
Cython/Compiler/Main.py
View file @
1f8ffaa1
...
...
@@ -136,7 +136,7 @@ class Context(object):
IntroduceBufferAuxiliaryVars
(
self
),
_check_c_declarations
,
AnalyseExpressionsTransform
(
self
),
OptimizeBuiltinCalls
(),
OptimizeBuiltinCalls
(
self
),
IterationTransform
(),
SwitchTransform
(),
DropRefcountingTransform
(),
...
...
Cython/Compiler/Optimize.py
View file @
1f8ffaa1
This diff is collapsed.
Click to expand it.
Cython/Compiler/ParseTreeTransforms.py
View file @
1f8ffaa1
from
Cython.Compiler.Visitor
import
VisitorTransform
,
CythonTransform
,
TreeVisitor
from
Cython.Compiler.Visitor
import
VisitorTransform
,
TreeVisitor
from
Cython.Compiler.Visitor
import
CythonTransform
,
EnvTransform
from
Cython.Compiler.ModuleNode
import
ModuleNode
from
Cython.Compiler.Nodes
import
*
from
Cython.Compiler.ExprNodes
import
*
...
...
@@ -938,21 +939,6 @@ class GilCheck(VisitorTransform):
return
node
class
EnvTransform
(
CythonTransform
):
"""
This transformation keeps a stack of the environments.
"""
def
__call__
(
self
,
root
):
self
.
env_stack
=
[
root
.
scope
]
return
super
(
EnvTransform
,
self
).
__call__
(
root
)
def
visit_FuncDefNode
(
self
,
node
):
self
.
env_stack
.
append
(
node
.
local_scope
)
self
.
visitchildren
(
node
)
self
.
env_stack
.
pop
()
return
node
class
TransformBuiltinMethods
(
EnvTransform
):
def
visit_SingleAssignmentNode
(
self
,
node
):
...
...
Cython/Compiler/Visitor.py
View file @
1f8ffaa1
...
...
@@ -306,6 +306,22 @@ class ScopeTrackingTransform(CythonTransform):
def
visit_CStructOrUnionDefNode
(
self
,
node
):
return
self
.
visit_scope
(
node
,
'struct'
)
class
EnvTransform
(
CythonTransform
):
"""
This transformation keeps a stack of the environments.
"""
def
__call__
(
self
,
root
):
self
.
env_stack
=
[
root
.
scope
]
return
super
(
EnvTransform
,
self
).
__call__
(
root
)
def
visit_FuncDefNode
(
self
,
node
):
self
.
env_stack
.
append
(
node
.
local_scope
)
self
.
visitchildren
(
node
)
self
.
env_stack
.
pop
()
return
node
class
RecursiveNodeReplacer
(
VisitorTransform
):
"""
Recursively replace all occurrences of a node in a subtree by
...
...
tests/run/carray_slicing.pyx
0 → 100644
View file @
1f8ffaa1
cdef
char
*
cstring
=
"abcABCqtp"
def
slice_charptr_end
():
"""
>>> print str(slice_charptr_end()).replace("b'", "'")
('a', 'abc', 'abcABCqtp')
"""
return
cstring
[:
1
],
cstring
[:
3
],
cstring
[:
9
]
def
slice_charptr_decode
():
"""
>>> print str(slice_charptr_decode()).replace("u'", "'")
('a', 'abc', 'abcABCqtp')
"""
return
(
cstring
[:
1
].
decode
(
'UTF-8'
),
cstring
[:
3
].
decode
(
'UTF-8'
),
cstring
[:
9
].
decode
(
'UTF-8'
))
def
slice_charptr_decode_errormode
():
"""
>>> print str(slice_charptr_decode_errormode()).replace("u'", "'")
('a', 'abc', 'abcABCqtp')
"""
return
(
cstring
[:
1
].
decode
(
'UTF-8'
,
'strict'
),
cstring
[:
3
].
decode
(
'UTF-8'
,
'replace'
),
cstring
[:
9
].
decode
(
'UTF-8'
,
'unicode_escape'
))
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