adb.py 文件源码

def dispatch_line(self, frame):
        traceenter("dispatch_line", _dumpf(frame), _dumpf(self.botframe))
#               trace("logbotframe is", _dumpf(self.logicalbotframe), "botframe is", self.botframe)
        if frame is self.logicalbotframe:
            trace("dispatch_line", _dumpf(frame), "for bottom frame returing tracer")
            # The next code executed in the frame above may be a builtin (eg, apply())
            # in which sys.trace needs to be set.
            sys.settrace(self.trace_dispatch)
            # And return the tracer incase we are about to execute Python code,
            # in which case sys tracer is ignored!
            return self.trace_dispatch

        if self.codeContainerProvider.FromFileName(frame.f_code.co_filename) is None:
            trace("dispatch_line has no document for", _dumpf(frame), "- skipping trace!")
            return None
        self.currentframe = frame # So the stack sniffer knows our most recent, debuggable code.
        return bdb.Bdb.dispatch_line(self, frame)