T_LPAREN
{ '(', T_LPAREN },
case T_LPAREN: fprintf(stderr, " ("); break;
case T_LPAREN:
case T_LPAREN:
t3->tok == T_LPAREN &&
(num == 2 || isop(t3->tok) || t3->tok == T_LPAREN) &&
(num == 2 || isop(t3->tok) || t3->tok == T_LPAREN) &&
t2->tok != T_LPAREN && t2->tok != T_VAL &&
t2->tok == T_LPAREN &&
t3->tok == T_LPAREN &&