Returns a dictionary of the global variable names (keys) and their local 
        name for the lambda function.

def _postfix_varlist(self, line):
        """Returns a dictionary of the global variable names (keys) and their local 
        name for the lambda function.
        """
        els = line.split()
        result = {}
        if len(els) >= 2:
            defvars = [v for v in els if "=" in v]
            varlist = []
            for dvar in defvars:
                gvar, lvar = dvar.split("=")
                if lvar != "":
                    result[lvar] = gvar
        return result