def setBreak(self,breakFlag = True):
if breakFlag:<EOL><INDENT>_parseMethod = self._parse<EOL>def breaker(instring, loc, doActions=True, callPreParse=True):<EOL><INDENT>import pdb<EOL>pdb.set_trace()<EOL>return _parseMethod( instring, loc, doActions, callPreParse )<EOL><DEDENT>breaker._originalParseMethod = _parseMethod<EOL>self._parse = breaker<EOL><DEDENT>else:<EOL><INDENT>if hasattr(self._parse,"<STR_LIT>"):<EOL><INDENT>self._parse = self._parse._originalParseMethod<EOL><DEDENT><DEDENT>return self<EOL>
Method to invoke the Python pdb debugger when this element is
           about to be parsed. Set C{breakFlag} to True to enable, False to
           disable.