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hdl.xfrm: Add on_AnyConst and on_AnySeq abstract methods for ValueVisitor and children.

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William D. Jones 2019-01-15 16:05:25 -05:00 • committed by whitequark
parent 6fdbc3d885
commit 77728c2dea
2 changed files with 30 additions and 0 deletions
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18
nmigen/hdl/xfrm.py
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@ -23,6 +23,14 @@ class ValueVisitor(metaclass=ABCMeta):
def on_Const(self, value):
pass # :nocov:
@abstractmethod
def on_AnyConst(self, value):
pass # :nocov:
@abstractmethod
def on_AnySeq(self, value):
pass # :nocov:
@abstractmethod
def on_Signal(self, value):
pass # :nocov:
@ -69,6 +77,10 @@ class ValueVisitor(metaclass=ABCMeta):
def on_value(self, value):
if type(value) is Const:
new_value = self.on_Const(value)
elif type(value) is AnyConst:
new_value = self.on_AnyConst(value)
elif type(value) is AnySeq:
new_value = self.on_AnySeq(value)
elif type(value) is Signal:
new_value = self.on_Signal(value)
elif type(value) is Record:
@ -104,6 +116,12 @@ class ValueTransformer(ValueVisitor):
def on_Const(self, value):
return value
def on_AnyConst(self, value):
return value
def on_AnySeq(self, value):
return value
def on_Signal(self, value):
return value