# Feature Macros

Several advanced [HFSM2](https://hfsm.dev/) features are disabled by default to improve build times for the average case, and are explicitly enabled using feature macros:

| Macro                                                                                                           | Feature                                 | API                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| --------------------------------------------------------------------------------------------------------------- | --------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `HFSM2_ENABLE_ALL`                                                                                              | <p>All <br>Advanced</p><p>Features</p>  | See below                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `HFSM2_ENABLE_UTILITY_THEORY`                                                                                   | <p>Utility<br>Theory<br>Transitions</p> | <p><code>Config::RankT<></code><br><code>Config::UtilityT<></code><br><code>Config::RandomT<></code></p><p><code>void \*Root::utilize()</code></p><p><code>void \*Root::randomize()</code></p><p><code>void FullControl::utilize()</code></p><p><code>void FullControl::randomize()</code></p><p><code>void Plan::utilize()</code></p><p><code>void Plan::randomize()</code></p><p><code>void LoggerInterface::recordUtilityResolution() void LoggerInterface::recordRandomResolution()</code></p>      |
| `HFSM2_ENABLE_PLANS`                                                                                            | Plans                                   | <p><code>struct Plan</code><br><code>struct ConstPlan</code><br><code>void State::planSucceeded()</code><br><code>void State::planFailed()</code><br><code>ConstPlan Control::plan()</code><br><code>Plan PlanControl::plan()</code><br><code>void FullControl::succeed()</code><br><code>void FullControl::fail()</code><br><code>void LoggerInterface::recordTaskStatus()</code><br><code>void LoggerInterface::recordPlanStatus()</code></p>                                                         |
| `HFSM2_ENABLE_SERIALIZATION`                                                                                    | Serialization                           | <p><code>struct SerialBuffer</code></p><p><code>void \*Root::load()</code></p><p><code>void \*Root::load()</code></p>                                                                                                                                                                                                                                                                                                                                                                                   |
| `HFSM2_ENABLE_TRANSITION_HISTORY`                                                                               | <p>Transition</p><p>History</p>         | <p><code>struct Transition</code></p><p><code>struct TransitionHistory</code></p><p><code>TransitionHistory \*Root::transitionHistory()</code></p><p><code>void \*Root::replayTransition()</code></p><p><code>void \*Root::replayTransitions()</code></p>                                                                                                                                                                                                                                               |
| `HFSM2_ENABLE_STRUCTURE_REPORT`                                                                                 | <p>Structure</p><p>Report</p>           | <p><code>struct StructureEntry</code></p><p><code>struct Structure</code></p><p><code>Structure \*Root::structure()</code></p><p><code>struct ActivityHistory</code></p><p><code>ActivityHistory \*Root::activityHistory()</code></p>                                                                                                                                                                                                                                                                   |
| <p><code>HFSM2\_ENABLE\_VERBOSE\_DEBUG\_LOG</code>and / or</p><p><code>HFSM2\_ENABLE\_LOG\_INTERFACE</code></p> | Logging                                 | <p><code>void \*Root::attachLogger()</code><br><code>struct LoggerInterface</code><br><code>void LoggerInterface::recordMethod()</code><br><code>void LoggerInterface::recordTransition()</code><br><code>void LoggerInterface::recordTaskStatus()</code><br><code>void LoggerInterface::recordPlanStatus()</code><br><code>void LoggerInterface::recordCancelledPending()</code></p><p><code>void LoggerInterface::recordUtilityResolution() void LoggerInterface::recordRandomResolution()</code></p> |