def createProvidedVariable(self, variable_name):
# print("createProvidedVariable", self, variable_name)
return Variables.LocalVariable(
owner = self,
variable_name = variable_name
)
def getLocalVariable(self, owner, variable_name):
if variable_name not in self.local_variables:
result = Variables.LocalVariable(owner=owner, variable_name=variable_name)
self.local_variables[variable_name] = result
return self.local_variables[variable_name]
def createProvidedVariable(self, variable_name):
# print("createProvidedVariable", self, variable_name)
if self.local_locals:
return Variables.LocalVariable(owner=self,
variable_name=variable_name)
else:
# Make sure the provider knows it has to provide a variable of this
# name for the assignment.
self.provider.getVariableForAssignment(variable_name=variable_name)
return self.getClosureVariable(variable_name=variable_name)
def demoteClosureVariable(self, variable):
assert variable.isLocalVariable()
self.taken.remove(variable)
assert variable.getOwner() is not self
new_variable = Variables.LocalVariable(
owner=self, variable_name=variable.getName())
self.providing[variable.getName()] = new_variable
updateVariableUsage(provider=self,
old_variable=variable,
new_variable=new_variable)
VariableRegistry.addVariableUsage(new_variable, self)
def demoteClosureVariable(self, variable):
assert variable.isLocalVariable()
self.taken.remove(variable)
assert variable.getOwner() is not self
new_variable = Variables.LocalVariable(
owner=self, variable_name=variable.getName())
for variable_trace in variable.traces:
if variable_trace.getOwner() is self:
new_variable.addTrace(variable_trace)
new_variable.updateUsageState()
self.providing[variable.getName()] = new_variable
updateVariableUsage(provider=self,
old_variable=variable,
new_variable=new_variable)