Here is a list of all documented variables with links to the struct/union documentation for each field:

- o -

• obj : rb_memory_view_t
• off : rb_io_internal_buffer
• offset : rb_memory_view_item_component_t
• offsets : pm_newline_list_t
• old_name : pm_alias_global_variable_node, pm_alias_method_node
• opening_loc : pm_arguments_t, pm_array_node, pm_array_pattern_node, pm_block_node, pm_block_parameters_node, pm_call_node, pm_embedded_statements_node, pm_find_pattern_node, pm_hash_node, pm_hash_pattern_node, pm_index_and_write_node, pm_index_operator_write_node, pm_index_or_write_node, pm_index_target_node, pm_interpolated_match_last_line_node, pm_interpolated_regular_expression_node, pm_interpolated_string_node, pm_interpolated_symbol_node, pm_interpolated_x_string_node, pm_lambda_node, pm_match_last_line_node, pm_parentheses_node, pm_post_execution_node, pm_pre_execution_node, pm_regular_expression_node, pm_string_node, pm_symbol_node, pm_x_string_node
• operator_loc : pm_alternation_pattern_node, pm_and_node, pm_assoc_node, pm_assoc_splat_node, pm_block_argument_node, pm_block_parameter_node, pm_call_and_write_node, pm_call_or_write_node, pm_capture_pattern_node, pm_class_variable_and_write_node, pm_class_variable_or_write_node, pm_class_variable_write_node, pm_constant_and_write_node, pm_constant_or_write_node, pm_constant_path_and_write_node, pm_constant_path_or_write_node, pm_constant_path_write_node, pm_constant_write_node, pm_def_node, pm_embedded_variable_node, pm_flip_flop_node, pm_global_variable_and_write_node, pm_global_variable_or_write_node, pm_global_variable_write_node, pm_index_and_write_node, pm_index_or_write_node, pm_instance_variable_and_write_node, pm_instance_variable_or_write_node, pm_instance_variable_write_node, pm_keyword_rest_parameter_node, pm_lambda_node, pm_local_variable_and_write_node, pm_local_variable_or_write_node, pm_local_variable_write_node, pm_match_predicate_node, pm_match_required_node, pm_multi_write_node, pm_no_keywords_parameter_node, pm_optional_parameter_node, pm_or_node, pm_pinned_expression_node, pm_pinned_variable_node, pm_range_node, pm_rescue_node, pm_rest_parameter_node, pm_singleton_class_node, pm_splat_node
• optionals : pm_parameters_node
• options : pm_parse_result_t
• owned : pm_diagnostic_t