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#!/usr/bin/python
import sys
instantiatedSet = set()
definitionSet = set()
parentChildDict = {}
definitionToFileDict = {}
with open("mergeclasses.log") as txt:
for line in txt:
if line.startswith("instantiated:\t"):
idx1 = line.find("\t")
clazzName = line[idx1+1 : len(line)-1]
if (clazzName.startswith("const ")):
clazzName = clazzName[6:]
if (clazzName.startswith("class ")):
clazzName = clazzName[6:]
if (clazzName.endswith(" &")):
clazzName = clazzName[:len(clazzName)-3]
instantiatedSet.add(clazzName)
elif line.startswith("definition:\t"):
idx1 = line.find("\t")
idx2 = line.find("\t", idx1+1)
clazzName = line[idx1+1 : idx2]
# the +2 is so we skip the leading /
fileName = line[idx2+2 : len(line)-1]
definitionSet.add(clazzName)
definitionToFileDict[clazzName] = fileName
elif line.startswith("has-subclass:\t"):
idx1 = line.find("\t")
idx2 = line.find("\t", idx1+1)
child = line[idx1+1 : idx2]
parent = line[idx2+1 : len(line)-1]
if (parent.startswith("class ")):
parent = parent[6:]
elif (parent.startswith("struct ")):
parent = parent[7:]
if (child.startswith("class ")):
child = child[6:]
elif (child.startswith("struct ")):
child = child[7:]
if (parent not in parentChildDict):
parentChildDict[parent] = set()
parentChildDict[parent].add(child)
def extractModuleName(clazz):
filename = definitionToFileDict[clazz]
if filename.startswith("include/"):
filename = filename[8:]
idx = filename.find("/")
return filename[:idx]
for clazz in sorted(definitionSet - instantiatedSet):
# find uninstantiated classes without any subclasses
if (not(clazz in parentChildDict)) or (len(parentChildDict[clazz]) != 1):
continue
# exclude some common false positives
a = ['Dialog', 'Dlg', 'com::sun', 'Base']
if any(x in clazz for x in a):
continue
# ignore base class that contain the word "mutex", they are normally there to
# help with the WeakComponentImpl template magic
if ("mutex" in clazz) or ("Mutex" in clazz):
continue
otherclazz = next(iter(parentChildDict[clazz]))
# exclude combinations that span modules because we often use those to make cross-module dependencies more manageable.
if extractModuleName(clazz) != extractModuleName(otherclazz):
continue
print "merge", clazz, "with", otherclazz
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