usb-tools/amaranth
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

back.pysim: allow processes to evaluate expressions.

Browse source
This commit is contained in:
whitequark 2018-12-14 13:21:58 +00:00
parent 151d079f01
commit 3ad79ec690
2 changed files with 55 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

9
nmigen/fhdl/ast.py
View file

@ -702,14 +702,17 @@ class Switch(Statement):
class Delay(Statement):
def __init__(self, interval):
self.interval = float(interval)
def __init__(self, interval=None):
self.interval = None if interval is None else float(interval)
def _rhs_signals(self):
return ValueSet()
def __repr__(self):
return "(delay {:.3}us)".format(self.interval * 10e6)
if self.interval is None:
return "(delay ε)"
else:
return "(delay {:.3}us)".format(self.interval * 10e6)
class Tick(Statement):