def p_event_specification(self, p):
        '''event_specification : identifier event_meaning event_data'''
        p[0] = EventSpecNode(identifier=p[1],
                             meaning=p[2],
                             event_data=p[3])
def p_event_specification(self, p):
        
        p[0] = EventSpecNode(identifier=p[1],
                             meaning=p[2],
                             event_data=p[3])
def p_event_specification ( self , p ) : p [ 0 ] = EventSpecNode ( identifier = p [ 1 ] , meaning = p [ 2 ] , event_data = p [ 3 ] )
event_specification : identifier event_meaning event_data
event_specification : identifier event_meaning event_data