def definition(wrapper, arguments, traverser):
"""Wraps an XPCOM class instantiation function."""
if not arguments:
return None
traverser._debug('(XPCOM Encountered)')
if not pretraversed:
arguments = [traverser._traverse_node(x) for x in arguments]
argz = arguments[0]
if not argz.is_global or 'xpcom_map' not in argz.value:
argz = JSWrapper(traverser=traverser)
argz.value = {'xpcom_map': lambda: {'value': {}}}
traverser._debug('(Building XPCOM...)')
inst = traverser._build_global(
method, argz.value['xpcom_map']())
inst.value['overwritable'] = True
if extend or mutate:
# FIXME: There should be a way to get this without
# traversing the call chain twice.
parent = actions.trace_member(traverser, wrapper['callee']['object'])
if mutate and not (parent.is_global and
isinstance(parent.value, dict) and
'value' in parent.value):
# Assume that the parent object is a first class
# wrapped native
parent.value = inst.value
# FIXME: Only objects marked as global are processed
# as XPCOM instances
parent.is_global = True
if isinstance(parent.value, dict):
if extend and mutate:
if callable(parent.value['value']):
parent.value['value'] = \
parent.value['value'](t=traverser)
parent.value['value'].update(inst.value['value'])
return parent
if extend:
inst.value['value'].update(parent.value['value'])
if mutate:
parent.value = inst.value
return inst
def definition(wrapper, arguments, traverser):
"""Wraps an XPCOM class instantiation function."""
if not arguments:
return None
traverser._debug('(XPCOM Encountered)')
if not pretraversed:
arguments = [traverser._traverse_node(x) for x in arguments]
argz = arguments[0]
if not argz.is_global or 'xpcom_map' not in argz.value:
argz = JSWrapper(traverser=traverser)
argz.value = {'xpcom_map': lambda: {'value': {}}}
traverser._debug('(Building XPCOM...)')
inst = traverser._build_global(method, argz.value['xpcom_map']())
inst.value['overwritable'] = True
if extend or mutate:
# FIXME: There should be a way to get this without
# traversing the call chain twice.
parent = actions.trace_member(traverser,
wrapper['callee']['object'])
if mutate and not (parent.is_global and isinstance(
parent.value, dict) and 'value' in parent.value):
# Assume that the parent object is a first class
# wrapped native
parent.value = inst.value
# FIXME: Only objects marked as global are processed
# as XPCOM instances
parent.is_global = True
if isinstance(parent.value, dict):
if extend and mutate:
if callable(parent.value['value']):
parent.value['value'] = \
parent.value['value'](t=traverser)
parent.value['value'].update(inst.value['value'])
return parent
if extend:
inst.value['value'].update(parent.value['value'])
if mutate:
parent.value = inst.value
return inst
def _new(traverser, node):
'Returns a new copy of a node.'
# We don't actually process the arguments as part of the flow because of
# the Angry T-Rex effect. For now, we just traverse them to ensure they
# don't contain anything dangerous.
args = node['arguments']
if isinstance(args, list):
for arg in args:
traverser._traverse_node(arg, source='arguments')
else:
traverser._traverse_node(args)
elem = traverser._traverse_node(node['callee'])
if not isinstance(elem, JSWrapper):
elem = JSWrapper(elem, traverser=traverser)
if elem.is_global:
traverser._debug('Making overwritable')
elem.value = deepcopy(elem.value)
elem.value['overwritable'] = True
return elem
def _new(traverser, node):
"Returns a new copy of a node."
# We don't actually process the arguments as part of the flow because of
# the Angry T-Rex effect. For now, we just traverse them to ensure they
# don't contain anything dangerous.
args = node["arguments"]
if isinstance(args, list):
for arg in args:
traverser._traverse_node(arg, source="arguments")
else:
traverser._traverse_node(args)
elem = traverser._traverse_node(node["callee"])
if not isinstance(elem, JSWrapper):
elem = JSWrapper(elem, traverser=traverser)
if elem.is_global:
traverser._debug("Making overwritable")
elem.value = copy.deepcopy(elem.value)
elem.value["overwritable"] = True
return elem
