59 	return expr_lookup(E_SYMBOL, sym, NULL);  in expr_alloc_symbol()
126 	if ((*ep1)->type == E_SYMBOL && (*ep2)->type == E_SYMBOL &&  in __expr_eliminate_eq()
229 	case E_SYMBOL:  in expr_eq()
237 		res = (e1->type == E_SYMBOL && e2->type == E_SYMBOL &&  in expr_eq()
275 		if (l->type == E_SYMBOL) {  in expr_eliminate_yn()
281 		if (r->type == E_SYMBOL) {  in expr_eliminate_yn()
291 		if (l->type == E_SYMBOL) {  in expr_eliminate_yn()
297 		if (r->type == E_SYMBOL) {  in expr_eliminate_yn()
320 	if (e1->type != E_EQUAL && e1->type != E_UNEQUAL && e1->type != E_SYMBOL && e1->type != E_NOT)  in expr_join_or()
322 	if (e2->type != E_EQUAL && e2->type != E_UNEQUAL && e2->type != E_SYMBOL && e2->type != E_NOT)  in expr_join_or()
326 		if (tmp->type != E_EQUAL && tmp->type != E_UNEQUAL && tmp->type != E_SYMBOL)  in expr_join_or()
332 		if (e2->left.expr->type != E_SYMBOL)  in expr_join_or()
363 		if ((e1->type == E_NOT && e1->left.expr->type == E_SYMBOL && e2->type == E_SYMBOL) ||  in expr_join_or()
364 		    (e2->type == E_NOT && e2->left.expr->type == E_SYMBOL && e1->type == E_SYMBOL))  in expr_join_or()
385 	if (e1->type != E_EQUAL && e1->type != E_UNEQUAL && e1->type != E_SYMBOL && e1->type != E_NOT)  in expr_join_and()
387 	if (e2->type != E_EQUAL && e2->type != E_UNEQUAL && e2->type != E_SYMBOL && e2->type != E_NOT)  in expr_join_and()
391 		if (tmp->type != E_EQUAL && tmp->type != E_UNEQUAL && tmp->type != E_SYMBOL)  in expr_join_and()
397 		if (e2->left.expr->type != E_SYMBOL)  in expr_join_and()
407 	if ((e1->type == E_SYMBOL && e2->type == E_EQUAL && e2->right.sym == &symbol_yes) ||  in expr_join_and()
408 	    (e2->type == E_SYMBOL && e1->type == E_EQUAL && e1->right.sym == &symbol_yes))  in expr_join_and()
412 	if ((e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_no) ||  in expr_join_and()
413 	    (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_no))  in expr_join_and()
417 	if ((e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_mod) ||  in expr_join_and()
418 	    (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_mod))  in expr_join_and()
455 		if ((e1->type == E_SYMBOL && e2->type == E_EQUAL && e2->right.sym == &symbol_mod) ||  in expr_join_and()
456 		    (e2->type == E_SYMBOL && e1->type == E_EQUAL && e1->right.sym == &symbol_mod) ||  in expr_join_and()
457 		    (e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_yes) ||  in expr_join_and()
458 		    (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_yes))  in expr_join_and()
604 	case E_SYMBOL:  in expr_transform()
692 		case E_SYMBOL:  in expr_transform()
723 	case E_SYMBOL:  in expr_contains_symbol()
750 	case E_SYMBOL:  in expr_depends_symbol()
839 	case E_SYMBOL:  in expr_trans_compare()
900 	case E_SYMBOL:  in __expr_calc_value()
1034 	case E_SYMBOL:  in expr_print()