def __init__(self, config=None):
"NOT_RPYTHON: Basic initialization of objects."
self.fromcache = InternalSpaceCache(self).getorbuild
self.threadlocals = ThreadLocals()
# set recursion limit
# sets all the internal descriptors
if config is None:
from pypy.config.pypyoption import get_pypy_config
config = get_pypy_config(translating=False)
self.config = config
# import extra modules for side-effects
import pypy.interpreter.nestedscope # register *_DEREF bytecodes
self.interned_strings = {}
self.actionflag = ActionFlag() # changed by the signal module
self.user_del_action = UserDelAction(self)
self.frame_trace_action = FrameTraceAction(self)
self.actionflag.register_action(self.user_del_action)
self.actionflag.register_action(self.frame_trace_action)
from pypy.interpreter.pyframe import PyFrame
self.FrameClass = PyFrame # can be overridden to a subclass
if self.config.objspace.logbytecodes:
self.bytecodecounts = [0] * 256
self.bytecodetransitioncount = {}
if self.config.objspace.timing:
self.timer = Timer()
else:
self.timer = DummyTimer()
self.initialize()
