773     void *visit(AND_operator_c *symbol)	{

   774       if (search_expression_type->is_binary_type(this->default_variable_name.current_type) &&

   775           search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) {

   776     	BYTE_operator_result_type();

   777       }

   778       else {ERROR;}

   779       return NULL;

   780     }

   781 

   782     void *visit(OR_operator_c *symbol)	{

   783       if (search_expression_type->is_binary_type(this->default_variable_name.current_type) &&

   784           search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) {

   785     	BYTE_operator_result_type();

   786       }

   787       else {ERROR;}

   788       return NULL;

   789     }

   790 

   791     void *visit(XOR_operator_c *symbol)	{

   792       if (search_expression_type->is_binary_type(this->default_variable_name.current_type) &&

   793           search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) {

   794     	BYTE_operator_result_type();

   795       }

   796       else {ERROR;}

   797       return NULL;

   798     }

   799 

   800     void *visit(ANDN_operator_c *symbol)	{

   801       if (search_expression_type->is_binary_type(this->default_variable_name.current_type) &&

   802           search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) {

   803     	BYTE_operator_result_type();

   804       }

   805       else {ERROR;}

   806       return NULL;

   807     }

   808 

   809     void *visit(ORN_operator_c *symbol)	{

   810       if (search_expression_type->is_binary_type(this->default_variable_name.current_type) &&

   811           search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) {

   812     	BYTE_operator_result_type();

   813       }

   814       else {ERROR;}

   815       return NULL;

   816     }

   817 

   818     void *visit(XORN_operator_c *symbol)	{

   819       if (search_expression_type->is_binary_type(this->default_variable_name.current_type) &&

   820           search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) {

   821     	BYTE_operator_result_type();

   822       }

   823       else {ERROR;}

   824       return NULL;

   825     }

   826