def visit_Subst(self, node):
left = self.visit(node.left)
right = self.visit(node.right)
ldelay = vast.DelayStatement(self.visit(
node.ldelay)) if node.ldelay else None
rdelay = vast.DelayStatement(self.visit(
node.rdelay)) if node.rdelay else None
lvalue = vast.Lvalue(left)
rvalue = vast.Rvalue(right)
return vast.BlockingSubstitution(lvalue, rvalue, ldelay, rdelay)
def visit_Delay(self, node):
delay = self.visit(node.value)
return vast.SingleStatement(vast.DelayStatement(delay))
def visit_Delay(self, node):
if self.for_verilator:
return vast.SingleStatement(vast.SystemCall('write', (vast.StringConst(''),)))
delay = self.visit(node.value)
return vast.SingleStatement(vast.DelayStatement(delay))