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Kestrel Collaboration
Kestrel LiteX
migen
Commits
c71eb577
Commit
c71eb577
authored
10 years ago
by
Robert Jordens
Committed by
Sebastien Bourdeauducq
10 years ago
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migen.fhdl.structure: have Cat() flat_iteration-ize its arguments
parent
1bf13375
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5 additions
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4 deletions
+5
-4
migen/fhdl/structure.py
migen/fhdl/structure.py
+5
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migen/fhdl/structure.py
View file @
c71eb577
...
...
@@ -4,6 +4,7 @@ import builtins
from
collections
import
defaultdict
from
migen.fhdl
import
tracer
from
migen.util.misc
import
flat_iteration
class
HUID
:
__next_uid
=
0
...
...
@@ -87,7 +88,7 @@ class Value(HUID):
elif
isinstance
(
key
,
slice
):
start
,
stop
,
step
=
key
.
indices
(
flen
(
self
))
if
step
!=
1
:
return
Cat
(
*
(
self
[
i
]
for
i
in
range
(
start
,
stop
,
step
))
)
return
Cat
(
self
[
i
]
for
i
in
range
(
start
,
stop
,
step
))
return
_Slice
(
self
,
start
,
stop
)
else
:
raise
KeyError
...
...
@@ -155,11 +156,11 @@ class Cat(Value):
meeting these properties. The bit length of the return value is the sum of
the bit lengths of the arguments::
flen(Cat(
*
args)) == sum(flen(arg) for arg in args)
flen(Cat(args)) == sum(flen(arg) for arg in args)
Parameters
----------
*args : Value, inout
*args : Value
s or iterables of Values
, inout
`Value` s to be concatenated.
Returns
...
...
@@ -169,7 +170,7 @@ class Cat(Value):
"""
def
__init__
(
self
,
*
args
):
Value
.
__init__
(
self
)
self
.
l
=
args
self
.
l
=
list
(
flat_iteration
(
args
))
class
Replicate
(
Value
):
"""Replicate a value
...
...
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