Method identifyTopModules_

src/DesignCompile/DesignElaboration.cpp:270–474

}

bool DesignElaboration::identifyTopModules_() {
  FileSystem* const fileSystem = FileSystem::getInstance();
  m_topLevelModules.clear();
  bool modulePresent = false;
  bool toplevelModuleFound = false;
  SymbolTable* st = m_compileDesign->getCompiler()->getSymbolTable();
  auto& userTopList = m_compileDesign->getCompiler()
                          ->getCommandLineParser()
                          ->getTopLevelModules();
  auto all_files =
      m_compileDesign->getCompiler()->getDesign()->getAllFileContents();
  typedef std::multimap<std::string,
                        std::pair<const DesignElement*, const FileContent*>>
      ModuleMultiMap;
  ModuleMultiMap all_modules;
  for (auto file : all_files) {
    if (m_compileDesign->getCompiler()->isLibraryFile(file.first)) continue;
    for (const DesignElement* element : file.second->getDesignElements()) {
      const std::string_view elemName = st->getSymbol(element->m_name);
      if (element->m_type == DesignElement::Module) {
        if (element->m_parent) {
          // This is a nested element
          continue;
        }
        const std::string_view libName = file.second->getLibrary()->getName();
        std::string topname = StrCat(libName, "@", elemName);

        if (!file.second->getParent()) {
          // Files that have parent are splited files (When a module is too
          // large it is splited)
          all_modules.emplace(topname, std::make_pair(element, file.second));
        }

        modulePresent = true;
        bool used = false;
        for (auto file1 : all_files) {
          if (file1.second->getReferencedObjects().find(elemName) !=
              file1.second->getReferencedObjects().end()) {
            if (m_compileDesign->getCompiler()->isLibraryFile(file1.first))
              continue;
            used = true;
            break;
          }
        }

        if (!used) {
          bool isTop = true;

          if (!m_toplevelConfigModules.empty()) {
            isTop = false;
            if (m_toplevelConfigModules.find(topname) !=
                m_toplevelConfigModules.end()) {
              isTop = true;
            }
          }

          if (isTop) {
            SymbolId topid = st->registerSymbol(topname);