Method getRealPath

src/unittests/Support/VirtualFileSystemTest.cpp:76–89

Map any symlink to "/symlink".

  }
  // Map any symlink to "/symlink".
  std::error_code getRealPath(const Twine &Path,
                              SmallVectorImpl<char> &Output) const override {
    auto I = FilesAndDirs.find(Path.str());
    if (I == FilesAndDirs.end())
      return make_error_code(llvm::errc::no_such_file_or_directory);
    if (I->second.isSymlink()) {
      Output.clear();
      Twine("/symlink").toVector(Output);
      return std::error_code();
    }
    Output.clear();
    Path.toVector(Output);
    return std::error_code();
  }

  struct DirIterImpl : public llvm::vfs::detail::DirIterImpl {
    std::map<std::string, vfs::Status> &FilesAndDirs;