def propigateMerge(self, oldlcl, newlcl): for suite, frame in self.pairs: original = frame.readLocal(oldlcl, newlcl) if original and newlcl != original: asgn = Assign(original, [newlcl]) asgn.markMerge() suite.insert(asgn)
def propigateMerge(self, oldlcl, newlcl):
for suite, frame in self.pairs:
original = frame.readLocal(oldlcl, newlcl)
if original and newlcl != original:
asgn = Assign(original, [newlcl])
asgn.markMerge()
suite.insert(asgn)
def evaluate(self, target=None):
# Prevent multiple evaluations
if not self.target:
# If the merges are chained, try to use the same target?
if not target:
self.target = Local(None)
else:
self.target = target
# Create the partial merges
for e, onExit in zip(self.elements, self.onExits):
if isinstance(e, DeferedMerge):
e = e.evaluate(self.target)
if self.target != e:
asgn = Assign(e, self.target)
asgn.markMerge()
onExit.append(asgn)
return self.target
def evaluate(self, target=None): # Prevent multiple evaluations if not self.target: # If the merges are chained, try to use the same target? if not target: self.target = Local(None) else: self.target = target # Create the partial merges for e, onExit in zip(self.elements, self.onExits): if isinstance(e, DeferedMerge): e = e.evaluate(self.target) if self.target != e: asgn = Assign(e, self.target) asgn.markMerge() onExit.append(asgn) return self.target
