def visit_arguments(self, node):
self.visit(node.defaults)
with self._isInDefinitionMgr(True):
self.visit(node.args)
if node.vararg is not None:
self._boundVarsWithPos.add(
VarWithPosition(var=node.vararg,
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
if node.kwarg is not None:
self._boundVarsWithPos.add(
VarWithPosition(var=node.kwarg,
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
def visit_Name(self, node):
if self._isInDefinition:
self._boundVarsWithPos.add(
VarWithPosition(var=node.id,
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
def visit_ClassDef(self, node):
self._boundNamesWithPos.add(
VarWithPosition(var=node.name,
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
return node
def visit_FunctionDef(self, node):
# exclude synthetic wrapper FunctionDef nodes
if node.name != '':
self._boundNamesWithPos.add(
VarWithPosition(var=node.name,
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
def visit_Name(self, node):
identifier = node.id
if isinstance(node.ctx, ast.Store):
self._boundInScopeSoFar.add(identifier)
elif not self.isBoundSoFar(identifier) and \
isinstance(node.ctx, ast.Load):
self._freeVariableMemberAccessChainsWithPos.add(
VarWithPosition(var=(identifier, ),
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
def visit_Attribute(self, node):
chainOrNone = _memberAccessChainOrNone(node)
if chainOrNone is not None:
if chainOrNone[0] not in self._boundValues:
self._freeVariableMemberAccessChainsWithPos.add(
VarWithPosition(var=chainOrNone,
pos=NodeVisitorBases.PositionInFile(
lineno=node.lineno,
col_offset=node.col_offset)))
else:
#required to recurse deeper into the AST, but only do it if
#_freeVariableMemberAccessChain was None, indicating that it
#doesn't want to consume the whole expression
self.generic_visit(node.value)
def addFreeVariableMemberAccessChain(self, chain, lineno, col_offset):
pos = NodeVisitorBases.PositionInFile(lineno=lineno,
col_offset=col_offset)
self._freeVariableMemberAccessChainsWithPos[chain].add(pos)
self._freeVariablesWithPos[chain[0]].add(pos)