def _visitor_walk_recursive(self, instbox, visitor, optimizer):
# we don't store the lengthvalue in guards, because the
# guard-failed code starts with a regular STR_CONCAT again
leftbox = self.vleft
rightbox = self.vright
visitor.register_virtual_fields(instbox, [leftbox, rightbox])
leftinfo = optimizer.getptrinfo(leftbox)
rightinfo = optimizer.getptrinfo(rightbox)
if leftinfo and leftinfo.is_virtual():
leftinfo.visitor_walk_recursive(leftbox, visitor, optimizer)
if rightinfo and rightinfo.is_virtual():
rightinfo.visitor_walk_recursive(rightbox, visitor, optimizer)
def _visitor_walk_recursive(self, instbox, visitor, optimizer):
boxes = [self.s, self.start, self.lgtop]
visitor.register_virtual_fields(instbox, boxes)
opinfo = optimizer.getptrinfo(self.s)
if opinfo and opinfo.is_virtual():
opinfo.visitor_walk_recursive(self.s, visitor, optimizer)
