def p_arglist(self, tree):
        ''' V ::= arglist ( V , V )'''
        if type(tree[0].value) == type([]):
            tree.value = tree[0].value + [tree[2].value]
        else:
            tree.value = [tree[0].value, tree[2].value]
        try:
            tree.svalue = "%s,%s"%(tree[0].svalue,tree[2].svalue)
        except AttributeError:
            pass