void define()

in glean/lang/clang/ast.cpp [1028:1076]
47 lines of code
18 McCabe index (conditional complexity)

    void define(ASTVisitor& visitor, const clang::CXXRecordDecl *d) const {
      std::vector<Cxx::RecordBase> bases;
      for (const auto& base : d->bases()) {
        if (auto ty = base.getType().getTypePtrOrNull()) {
          if (auto record = ty->getAsCXXRecordDecl()) {
            if (auto other = visitor.classDecls(record)) {
              bases.push_back(Cxx::RecordBase{
                other->decl,  // should this be base.representative?
                visitor.access(base.getAccessSpecifier()),
                base.isVirtual()
              });
            }
          }
        }
      }

      std::vector<Cxx::Declaration> members;
      for (const auto& mem : d->decls()) {
        if (auto record = clang::dyn_cast<clang::CXXRecordDecl>(mem)) {
          if (!record->isInjectedClassName()) {
            if (auto m = visitor.classDecls(record)) {
              members.push_back(m->declaration());
            }
          }
        } else if (auto fun = clang::dyn_cast<clang::FunctionDecl>(mem)) {
          // Skip implicit constructors/destructors
          if (fun->isImplicit()) continue;
          if (auto m = visitor.funDecls(fun)) {
            members.push_back(Cxx::Declaration::function_(m->decl));
          }
        } else if (auto ed = clang::dyn_cast<clang::EnumDecl>(mem)) {
          if (auto m = visitor.enumDecls(ed)) {
            members.push_back(Cxx::Declaration::enum_(m->decl));
          }
        } else if (auto vd = clang::dyn_cast<clang::VarDecl>(mem)) {
          if (auto m = visitor.varDecls(vd)) {
            members.push_back(Cxx::Declaration::variable(m->decl));
          }
        } else if (auto tad = clang::dyn_cast<clang::TypeAliasDecl>(mem)) {
          if (auto m = visitor.typeAliasDecls(tad)) {
            members.push_back(Cxx::Declaration::typeAlias(m->decl));
          }
        }
      }
      visitor.db.fact<Cxx::RecordDefinition>(
        decl,
        bases,
        visitor.db.fact<Cxx::Declarations>(members));
    }