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compat.genlib.fsm: add migration warning.

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whitequark 2019-10-12 22:48:08 +00:00
parent dbddddff17
commit 1387e2f9df
1 changed files with 3 additions and 1 deletions
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4
nmigen/compat/genlib/fsm.py
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@ -1,6 +1,6 @@
from collections import OrderedDict from collections import OrderedDict
from ..._tools import _ignore_deprecated from ..._tools import deprecated, _ignore_deprecated
from ...hdl.xfrm import ValueTransformer, StatementTransformer from ...hdl.xfrm import ValueTransformer, StatementTransformer
from ...hdl.ast import * from ...hdl.ast import *
from ..fhdl.module import CompatModule, CompatFinalizeError from ..fhdl.module import CompatModule, CompatFinalizeError
@ -89,6 +89,8 @@ class _LowerNext(ValueTransformer, StatementTransformer):
return node return node
@deprecated("instead of `migen.genlib.fsm.FSM()`, use `with m.FSM():`; note that there is no "
"replacement for `{before,after}_{entering,leaving}` and `delayed_enter` methods")
class FSM(CompatModule): class FSM(CompatModule):
def __init__(self, reset_state=None): def __init__(self, reset_state=None):
self.actions = OrderedDict() self.actions = OrderedDict()