def reset(self, location):
self.trackingInfo = TrackingInformation()
self.originalAST = self._getASTForLocation(location)
self.outputFilename = location + '/tracking_info.pickl'
def reset(self, location):
self.trackingInfo = TrackingInformation()
self.originalAST = self._getASTForLocation(location)
self.outputFilename = location + '/tracking_info.pickl'
class TrackingInformationGenerator(PythonASTProcessor):
def __init__(self):
PythonASTProcessor.__init__(self)
self._registerHandlers()
def _callHandlers(self, node):
nodeType = node.row[0]
if nodeType in self.handlers:
handler = self.handlers[nodeType]
return handler(node)
return True
def _registerHandlers(self):
self.handlers[PARAMETER_DECL] = self.parameterAndLocalDeclHandler
self.handlers[VAR_DECL] = self.parameterAndLocalDeclHandler
self.handlers[ASSIGN] = self.assignmentHandler
self.handlers[ARGUMENT] = self.argumentHandler
def reset(self, location):
self.trackingInfo = TrackingInformation()
self.originalAST = self._getASTForLocation(location)
self.outputFilename = location + '/tracking_info.pickl'
def process(self):
self.processChildren(self.originalAST)
def save(self):
pickle.dump(self.trackingInfo,
file(self.outputFilename, 'w'),
protocol=2)
def _getASTForLocation(self, location):
return GzipPickler().load(location + '/func_ast.pickl')
def parameterAndLocalDeclHandler(self, node):
typeName = getSubtreeValueFromNode(node, 'TYPE')
localName = getSubtreeValueFromNode(node, 'NAME')
if localName:
self.trackingInfo.addTypeIdentifierMap(typeName, localName)
if node.getType() == PARAMETER_DECL:
self.trackingInfo.parameters.append(localName)
else:
self.trackingInfo.locals.append(localName)
return True
def assignmentHandler(self, node):
lval = getSubtreeValueFromNode(node, 'LVAL')
rvalNode = getSubtree(node, 'RVAL')
self.trackingInfo.addRvalExpr(lval, rvalNode)
rvals = self.rvalTraverseChildren(rvalNode)
for rval in rvals:
self.trackingInfo.addAssignMap(lval, rval)
return True
def rvalTraverseChildren(self, node):
l = []
for c in node.children:
l.extend(self.rvalTraverse(c))
return l
def rvalTraverse(self, node):
nodeType = node.row[0]
l = []
if nodeType == ARGUMENT:
# do not enter arguments of calls
return []
elif nodeType in [CALLEE, FIELD]:
# FIXME
l.append(node.row[4])
l.extend(self.rvalTraverseChildren(node))
return l
def argumentHandler(self, node):
callee = getCalleeNameForArgument(node)
subtrees = getAllSubtreesOfType(node, ['UNARY_EXPR', 'FIELD'])
for subtree in subtrees:
if subtree.getType() == 'FIELD':
if subtree.parent.getType() != 'UNARY_EXPR':
self.addArgument(callee, subtree.row[4])
else:
self.addArgument(callee, subtree.row[4])
return True
def addArgument(self, funcName, argument):
try:
self.trackingInfo.functionArguments[funcName].append(argument)
except KeyError:
self.trackingInfo.functionArguments[funcName] = [argument]
try:
self.trackingInfo.functionsConsuming[argument].append(funcName)
except KeyError:
self.trackingInfo.functionsConsuming[argument] = [funcName]
class TrackingInformationGenerator(PythonASTProcessor):
def __init__(self):
PythonASTProcessor.__init__(self)
self._registerHandlers()
def _callHandlers(self, node):
nodeType = node.row[0]
if nodeType in self.handlers:
handler = self.handlers[nodeType]
return handler(node)
return True
def _registerHandlers(self):
self.handlers[PARAMETER_DECL] = self.parameterAndLocalDeclHandler
self.handlers[VAR_DECL] = self.parameterAndLocalDeclHandler
self.handlers[ASSIGN] = self.assignmentHandler
self.handlers[ARGUMENT] = self.argumentHandler
def reset(self, location):
self.trackingInfo = TrackingInformation()
self.originalAST = self._getASTForLocation(location)
self.outputFilename = location + '/tracking_info.pickl'
def process(self):
self.processChildren(self.originalAST)
def save(self):
pickle.dump(self.trackingInfo, file(self.outputFilename, 'w'), protocol=2)
def _getASTForLocation(self, location):
return GzipPickler().load(location + '/func_ast.pickl')
def parameterAndLocalDeclHandler(self, node):
typeName = getSubtreeValueFromNode(node, 'TYPE')
localName = getSubtreeValueFromNode(node, 'NAME')
if localName:
self.trackingInfo.addTypeIdentifierMap(typeName, localName)
if node.getType() == PARAMETER_DECL:
self.trackingInfo.parameters.append(localName)
else:
self.trackingInfo.locals.append(localName)
return True
def assignmentHandler(self, node):
lval = getSubtreeValueFromNode(node, 'LVAL')
rvalNode = getSubtree(node, 'RVAL')
self.trackingInfo.addRvalExpr(lval, rvalNode)
rvals = self.rvalTraverseChildren(rvalNode)
for rval in rvals:
self.trackingInfo.addAssignMap(lval, rval)
return True
def rvalTraverseChildren(self, node):
l = []
for c in node.children:
l.extend(self.rvalTraverse(c))
return l
def rvalTraverse(self, node):
nodeType = node.row[0]
l = []
if nodeType == ARGUMENT:
# do not enter arguments of calls
return []
elif nodeType in [CALLEE, FIELD]:
# FIXME
l.append(node.row[4])
l.extend(self.rvalTraverseChildren(node))
return l
def argumentHandler(self, node):
callee = getCalleeNameForArgument(node)
subtrees = getAllSubtreesOfType(node, ['UNARY_EXPR', 'FIELD'])
for subtree in subtrees:
if subtree.getType() == 'FIELD':
if subtree.parent.getType() != 'UNARY_EXPR':
self.addArgument(callee, subtree.row[4])
else:
self.addArgument(callee, subtree.row[4])
return True
def addArgument(self, funcName, argument):
try:
self.trackingInfo.functionArguments[funcName].append(argument)
except KeyError:
self.trackingInfo.functionArguments[funcName] = [argument]
try:
self.trackingInfo.functionsConsuming[argument].append(funcName)
except KeyError:
self.trackingInfo.functionsConsuming[argument] = [funcName]