The rules are divided into categories depending on the part of the VHDL code being operated on.
.. toctree:: :maxdepth: 2 after_rules.rst aggregate_rules.rst alias_declaration_rules.rst architecture_rules.rst array_constraint_rules.rst assert_rules.rst attribute_rules.rst attribute_declaration_rules.rst attribute_specification_rules.rst bit_string_literal_rules.rst block_rules.rst block_comment_rules.rst case_rules.rst case_generate_alternative_rules.rst case_generate_statement_rules.rst choice_rules.rst comment_rules.rst component_rules.rst concurrent_rules.rst conditional_expressions_rules.rst conditional_waveforms_rules.rst constant_rules.rst constrained_array_definition_rules.rst context_rules.rst context_ref_rules.rst declarative_part_rules.rst delay_mechanism_rules.rst element_association_rules.rst entity_rules.rst entity_specification_rules.rst exit_statement_rules.rst exponent_rules.rst external_constant_name_rules.rst external_signal_name_rules.rst external_variable_name_rules.rst file_rules.rst file_open_information_rules.rst file_type_definition_rules.rst for_loop_rules.rst for_generate_statement_rules.rst function_rules.rst generate_rules.rst generic_rules.rst generic_map_rules.rst ieee_rules.rst if_rules.rst if_generate_statement_rules.rst index_subtype_definition_rules.rst instantiation_rules.rst interface_incomplete_type_declaration_rules.rst iteration_scheme_rules.rst length_rules.rst library_rules.rst logical_operator_rules.rst loop_statement_rules.rst next_statement_rules.rst null_statement_rules.rst package_rules.rst package_body_rules.rst package_instantiation_rules.rst parameter_specification_rules.rst port_rules.rst port_map_rules.rst pragma_rules.rst procedure_rules.rst procedure_call_rules.rst process_rules.rst protected_type_rules.rst protected_type_body_rules.rst range_constraint_rules.rst range_rules.rst record_type_definition_rules.rst report_statement_rules.rst reserved_rules.rst return_statement_rules.rst selected_assignment_rules.rst sequential_rules.rst signal_rules.rst shift_operator_rules.rst source_file_rules.rst subprogram_body_rules.rst subprogram_instantiation_rules.rst subprogram_kind_rules.rst subtype_rules.rst type_rules.rst type_mark_rules.rst unfixable_rules.rst unbounded_array_definition_rules.rst use_clause_rules.rst variable_rules.rst variable_assignment_rules.rst wait_rules.rst when_rules.rst while_loop_rules.rst whitespace_rules.rst with_rules.rst