private function getInheritanceInformation()

in src/PageSections/InterfaceSynopsis.hack [196:238]

• 36 lines of code
• 9 McCabe index (conditional complexity)

  private function getInheritanceInformation(ScannedClassish $c): string {
    $ret = '';

    $ns = $c->getNamespaceName();
    if ($ns !== '') {
      $ret .= 'namespace '.$ns.";\n\n";
    }

    if ($c->isAbstract()) {
      $ret .= 'abstract ';
    }
    if ($c->isFinal()) {
      $ret .= 'final ';
    }

    if ($c is ScannedClass) {
      $ret .= 'class ';
    } else if ($c is ScannedInterface) {
      $ret .= 'interface ';
    } else if ($c is ScannedTrait) {
      $ret .= 'trait ';
    } else {
      invariant_violation("Don't know what a %s is.", \get_class($c));
    }

    $ret .= $c->getShortName();

    $p = $c->getParentClassInfo();
    if ($p !== null) {
      $ret .= ' extends '._Private\stringify_typehint($ns, $p);
    }
    $interfaces = $c->getInterfaceInfo();
    if ($interfaces) {
      $ret .= $interfaces
        |> Vec\map($$, $i ==> _Private\stringify_typehint($ns, $i))
        |> Str\join($$, ', ')
        |> ' implements '.$$;
    }

    $ret .= ' {...}';

    return "```Hack\n".$ret."\n```";
  }