Source

List<Field> get inheritedProperties {
  if (_inheritedProperties != null) return _inheritedProperties;
  Map<String, ExecutableElement> cmap =
      library.inheritanceManager.getMembersInheritedFromClasses(element);
  Map<String, ExecutableElement> imap =
      library.inheritanceManager.getMembersInheritedFromInterfaces(element);

  _inheritedProperties = [];
  List<ExecutableElement> values = [];
  Set<String> uniqueNames = new Set();

  instanceProperties.forEach((f) {
    if (f._setter != null) uniqueNames.add(f._setter.name);
    if (f._getter != null) uniqueNames.add(f._getter.name);
  });

  for (String key in cmap.keys) {
    // XXX: if we care about showing a hierarchy with our inherited methods,
    // then don't do this
    if (uniqueNames.contains(key)) continue;

    uniqueNames.add(key);
    values.add(cmap[key]);
  }

  for (String key in imap.keys) {
    // XXX: if we care about showing a hierarchy with our inherited methods,
    // then don't do this
    if (uniqueNames.contains(key)) continue;

    uniqueNames.add(key);
    values.add(imap[key]);
  }
  values
      .removeWhere((it) => instanceProperties.any((i) => it.name == i.name));

  for (var value in values) {
    if (value != null &&
        value is PropertyAccessorElement &&
        isPublic(value) &&
        value.enclosingElement != null) {
      // This seems to be here to deal with half-field inheritance, where
      // we inherit a getter but not a setter, or vice-versa.  (Or if a parent
      // class has the same trouble). In that case, just drop any duplicate
      // names we see.  This probably results in bugs.
      // TODO(jcollins-g): deal with half-inherited fields better
      var e = value.variable;

      if (instanceProperties.any((f) => f.element.name == e.name)) continue;
      if (_inheritedProperties.any((f) => f.element.name == e.name)) continue;

      if (!package.isDocumented(value.enclosingElement)) {
        Field f = new ModelElement.from(e, library, enclosingClass: this);
        _inheritedProperties.add(f);
        _genPageProperties.add(f);
      } else {
        _inheritedProperties
            .add(new ModelElement.from(e, library, enclosingClass: this));
      }
    }
  }

  _inheritedProperties.sort(byName);

  return _inheritedProperties;
}