Function inheritersInternal

kdevplatform/language/duchain/duchainutils.cpp:458–505

}

static QList<Declaration*> inheritersInternal(const Declaration* decl, uint& maxAllowedSteps, bool collectVersions)
{
  QList<Declaration*> ret;

  if(!dynamic_cast<const ClassDeclaration*>(decl))
    return ret;

  if(maxAllowedSteps == 0)
    return ret;

  if(decl->internalContext() && decl->internalContext()->type() == DUContext::Class) {
    const auto indexedImporters = decl->internalContext()->indexedImporters();
    for (const IndexedDUContext importer : indexedImporters) {

      DUContext* imp = importer.data();

      if(!imp)
        continue;

      if(imp->type() == DUContext::Class && imp->owner())
        ret << imp->owner();

      --maxAllowedSteps;

      if(maxAllowedSteps == 0)
        return ret;
    }
  }

  if(collectVersions && decl->inSymbolTable()) {
      auto visitor = [&](const IndexedDeclaration& indexedDeclaration) {
          ++maxAllowedSteps;
          auto declaration = indexedDeclaration.data();
          if (declaration && declaration != decl) {
              ret += inheritersInternal(declaration, maxAllowedSteps, false);
          }

          if (maxAllowedSteps == 0) {
              return PersistentSymbolTable::VisitorState::Break;
          } else {
              return PersistentSymbolTable::VisitorState::Continue;
          }
      };
      PersistentSymbolTable::self().visitDeclarations(decl->qualifiedIdentifier(), visitor);
  }

  return ret;
}

QList<Declaration*> DUChainUtils::inheriters(const Declaration* decl, uint& maxAllowedSteps, bool collectVersions)
{