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hdl.ast: actually remove simulator commands.

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These were supposed to be removed in 7df70059, but I forgot.
This commit is contained in:
whitequark 2019-12-02 02:23:36 +00:00
parent 72cfdb0c93
commit d048f069f8
2 changed files with 30 additions and 74 deletions
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45
nmigen/hdl/ast.py
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@ -18,8 +18,8 @@ __all__ = [
"Signal", "ClockSignal", "ResetSignal",
"UserValue",
"Sample", "Past", "Stable", "Rose", "Fell", "Initial",
"Statement", "Assign", "Assert", "Assume", "Cover", "Switch", "Delay", "Tick",
"Passive", "ValueKey", "ValueDict", "ValueSet", "SignalKey", "SignalDict",
"Statement", "Assign", "Assert", "Assume", "Cover", "Switch",
"ValueKey", "ValueDict", "ValueSet", "SignalKey", "SignalDict",
"SignalSet",
]
@ -1404,47 +1404,6 @@ class Switch(Statement):
return "(switch {!r} {})".format(self.test, " ".join(case_reprs))
@final
class Delay(Statement):
def __init__(self, interval=None, *, src_loc_at=0):
super().__init__(src_loc_at=src_loc_at)
self.interval = None if interval is None else float(interval)
def _rhs_signals(self):
return ValueSet()
def __repr__(self):
if self.interval is None:
return "(delay ε)"
else:
return "(delay {:.3}us)".format(self.interval * 1e6)
@final
class Tick(Statement):
def __init__(self, domain="sync", *, src_loc_at=0):
super().__init__(src_loc_at=src_loc_at)
self.domain = str(domain)
def _rhs_signals(self):
return ValueSet()
def __repr__(self):
return "(tick {})".format(self.domain)
@final
class Passive(Statement):
def __init__(self, *, src_loc_at=0):
super().__init__(src_loc_at=src_loc_at)
def _rhs_signals(self):
return ValueSet()
def __repr__(self):
return "(passive)"
class _MappedKeyCollection(metaclass=ABCMeta):
@abstractmethod
def _map_key(self, key):