def p_current(t):
"""
current : R_CURRENT_DATE
| R_CURRENT_TIME
"""
t[0] = expression.Current(t[1], None, t.slice[1].lineno, t.slice[1].lexpos)
repGrammar.append(t.slice)
def p_current_1(t):
"""
current : timeStamp
"""
t[0] = expression.Current(t[1][0], t[1][1], t[1][2], t[1][3])
repGrammar.append(t.slice)
