def p_ArrayLiteralContentList(p):
    '''
    ArrayLiteralContentList : ArrayLiteralContent
                            | ArrayLiteralContentList COMMA ArrayLiteralContent
    '''
    if len(p) < 3:
        p[0] = ArrayLiteralContentList(None, p[1])
    else:
        p[0] = ArrayLiteralContentList(p[1], p[3])
def p_ArrayLiteralContentList ( p ) : if len ( p ) < 3 : p [ 0 ] = ArrayLiteralContentList ( None , p [ 1 ] ) else : p [ 0 ] = ArrayLiteralContentList ( p [ 1 ] , p [ 3 ] )
ArrayLiteralContentList : ArrayLiteralContent
                            | ArrayLiteralContentList COMMA ArrayLiteralContent