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the protocol-tree-walk to determine friends was broken

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This commit is contained in:
Chris Jones 2009-11-10 16:50:59 -06:00
parent a29a4e5e3a
commit 11617230cd
1 changed files with 10 additions and 16 deletions
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26
ipc/ipdl/ipdl/lower.py
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@ -1958,34 +1958,28 @@ class _FindFriends(ipdl.ast.Visitor):
self.mytype = None # ProtocolType
self.vtype = None # ProtocolType
self.friends = set() # set<ProtocolType>
self.visited = set() # set<ProtocolType>
def findFriends(self, ptype):
self.mytype = ptype
self.walkUpTheProtocolTree(ptype)
self.walkDownTheProtocolTree(ptype)
toplevel = self.findToplevel(ptype)
self.walkDownTheProtocolTree(toplevel)
return self.friends
# TODO could make this into a _iterProtocolTreeHelper ...
def walkUpTheProtocolTree(self, ptype):
if not ptype.isManaged():
return
mtype = ptype.manager
self.visit(mtype)
self.walkUpTheProtocolTree(mtype)
def findToplevel(self, ptype):
if ptype.isToplevel():
return ptype
return self.findToplevel(ptype.manager)
def walkDownTheProtocolTree(self, ptype):
if not ptype.isManager():
return
if ptype != self.mytype:
# don't want to |friend| ourself!
self.visit(ptype)
for mtype in ptype.manages:
self.visit(mtype)
self.walkDownTheProtocolTree(mtype)
def visit(self, ptype):
if ptype in self.visited:
return
self.visited.add(ptype)
# |vtype| is the type currently being visited
savedptype = self.vtype
self.vtype = ptype
ptype._p.accept(self)