int filter_visitor_print_xml(struct filter_parser_ctx *ctx, FILE *stream,
int indent);
int filter_visitor_ir_generate(struct filter_parser_ctx *ctx);
int filter_visitor_print_xml(struct filter_parser_ctx *ctx, FILE *stream,
int indent);
int filter_visitor_ir_generate(struct filter_parser_ctx *ctx);
int filter_visitor_ir_check_binary_op_nesting(struct filter_parser_ctx *ctx);
int filter_visitor_ir_check_binary_comparator(struct filter_parser_ctx *ctx);
int filter_visitor_ir_validate_string(struct filter_parser_ctx *ctx);
int filter_visitor_ir_check_binary_op_nesting(struct filter_parser_ctx *ctx);
int filter_visitor_ir_check_binary_comparator(struct filter_parser_ctx *ctx);
int filter_visitor_ir_validate_string(struct filter_parser_ctx *ctx);