def visit_RelClear(self, node):
code = (node, )
auxmaps = self.auxmaps_by_rel.get(node.rel, set())
for auxmap in auxmaps:
clear_code = (L.MapClear(auxmap.map), )
code = L.insert_rel_maint(code, clear_code, L.SetRemove())
wraps = self.wraps_by_rel.get(node.rel, set())
for wrap in wraps:
clear_code = (L.RelClear(wrap.rel), )
code = L.insert_rel_maint(code, clear_code, L.SetRemove())
return code
def visit_RelClear(self, node):
# We should clear if we are not using demand and our operand is
# being cleared, or if we are using demand and our demand set is
# being cleared.
aggrinv = self.aggrinv
uses_demand = aggrinv.uses_demand
if uses_demand:
should_clear = node.rel == aggrinv.restr
else:
should_clear = node.rel == aggrinv.rel
if not should_clear:
return node
clear_code = (L.MapClear(self.aggrinv.map), )
code = L.insert_rel_maint((node, ), clear_code, L.SetRemove())
return code
def visit_DictClear(self, node):
if (isinstance(node.target, L.Name) and node.target.id in self.maps):
return L.MapClear(node.target.id)
return node
