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fhdl: export DUID

This commit is contained in:
Sebastien Bourdeauducq 2015-09-26 13:46:57 +08:00
parent af88a7a3f9
commit 67903494bf
2 changed files with 6 additions and 6 deletions
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4
migen/fhdl/specials.py
View File

@ -1,7 +1,7 @@
from operator import itemgetter
from migen.fhdl.structure import *
from migen.fhdl.structure import _DUID, _Value
from migen.fhdl.structure import _Value
from migen.fhdl.bitcontainer import bits_for, value_bits_sign
from migen.fhdl.tools import *
from migen.fhdl.tracer import get_obj_var_name
@ -12,7 +12,7 @@ __all__ = ["TSTriple", "Instance", "Memory",
"READ_FIRST", "WRITE_FIRST", "NO_CHANGE"]
class Special(_DUID):
class Special(DUID):
def iter_expressions(self):
for x in []:
yield x

8
migen/fhdl/structure.py
View File

@ -5,15 +5,15 @@ from migen.fhdl import tracer as _tracer
from migen.util.misc import flat_iteration as _flat_iteration
class _DUID:
class DUID:
"""Deterministic Unique IDentifier"""
__next_uid = 0
def __init__(self):
self.duid = _DUID.__next_uid
_DUID.__next_uid += 1
self.duid = DUID.__next_uid
DUID.__next_uid += 1
class _Value(_DUID):
class _Value(DUID):
"""Base class for operands
Instances of `_Value` or its subclasses can be operands to