xlint/lint1/func.c

404  * tn		expression if typ == T_CASE
407 label(int typ, sym_t *sym, tnode_t *tn)
435 			tn = NULL;
436 		} else if (tn != NULL && tn->tn_op != CON) {
439 			tn = NULL;
440 		} else if (tn != NULL && !isityp(tn->tn_type->t_tspec)) {
443 			tn = NULL;
446 		if (tn != NULL) {
457 			t = tn->tn_type->t_tspec;
469 			v = constant(tn);
528 if1(tnode_t *tn)
531 	if (tn != NULL)
532 		tn = cconv(tn);
533 	if (tn != NULL)
534 		tn = promote(NOOP, 0, tn);
535 	expr(tn, 0, 1);
571 switch1(tnode_t *tn)
576 	if (tn != NULL)
577 		tn = cconv(tn);
578 	if (tn != NULL)
579 		tn = promote(NOOP, 0, tn);
580 	if (tn != NULL && !isityp(tn->tn_type->t_tspec)) {
583 		tn = NULL;
585 	if (tn != NULL && tflag) {
586 		t = tn->tn_type->t_tspec;
601 	if (tn != NULL) {
602 		tp->t_tspec = tn->tn_type->t_tspec;
603 		if ((tp->t_isenum = tn->tn_type->t_isenum) != 0)
604 			tp->t_enum = tn->tn_type->t_enum;
609 	expr(tn, 1, 0);
678 while1(tnode_t *tn)
687 	if (tn != NULL)
688 		tn = cconv(tn);
689 	if (tn != NULL)
690 		tn = promote(NOOP, 0, tn);
691 	if (tn != NULL && !issclt(tn->tn_type->t_tspec)) {
694 		tn = NULL;
699 	if (tn != NULL && tn->tn_op == CON) {
700 		if (isityp(tn->tn_type->t_tspec)) {
701 			cstk->c_infinite = tn->tn_val->v_quad != 0;
703 			cstk->c_infinite = tn->tn_val->v_ldbl != 0.0;
707 	expr(tn, 0, 1);
750 do2(tnode_t *tn)
760 	if (tn != NULL)
761 		tn = cconv(tn);
762 	if (tn != NULL)
763 		tn = promote(NOOP, 0, tn);
764 	if (tn != NULL && !issclt(tn->tn_type->t_tspec)) {
767 		tn = NULL;
770 	if (tn != NULL && tn->tn_op == CON) {
771 		if (isityp(tn->tn_type->t_tspec)) {
772 			cstk->c_infinite = tn->tn_val->v_quad != 0;
774 			cstk->c_infinite = tn->tn_val->v_ldbl != 0.0;
778 	expr(tn, 0, 1);
964 doreturn(tnode_t *tn)
973 	if (tn != NULL) {
979 	if (tn != NULL && funcsym->s_type->t_subt->t_tspec == VOID) {
983 		tn = NULL;
984 	} else if (tn == NULL && funcsym->s_type->t_subt->t_tspec != VOID) {
994 	if (tn != NULL) {
1004 		tn = build(RETURN, ln, tn);
1006 		if (tn != NULL) {
1007 			rn = tn->tn_right;
1017 		expr(tn, 1, 0);