Method ToString

common/source.cc:90–136

}

std::string SourceContentView::ToString(SourcePosition begin,
                                        SourcePosition end) const {
  ABSL_DCHECK_GE(begin, 0);
  ABSL_DCHECK_LE(end, size());
  ABSL_DCHECK_LE(begin, end);
  return absl::visit(
      absl::Overload(
          [begin = static_cast<size_t>(begin),
           end = static_cast<size_t>(end)](absl::Span<const char> view) {
            view = view.subspan(begin, end - begin);
            return std::string(view.data(), view.size());
          },
          [begin = static_cast<size_t>(begin),
           end = static_cast<size_t>(end)](absl::Span<const uint8_t> view) {
            view = view.subspan(begin, end - begin);
            std::string result;
            result.reserve(view.size() * 2);
            for (const auto& code_point : view) {
              internal::Utf8Encode(result, code_point);
            }
            result.shrink_to_fit();
            return result;
          },
          [begin = static_cast<size_t>(begin),
           end = static_cast<size_t>(end)](absl::Span<const char16_t> view) {
            view = view.subspan(begin, end - begin);
            std::string result;
            result.reserve(view.size() * 3);
            for (const auto& code_point : view) {
              internal::Utf8Encode(result, code_point);
            }
            result.shrink_to_fit();
            return result;
          },
          [begin = static_cast<size_t>(begin),
           end = static_cast<size_t>(end)](absl::Span<const char32_t> view) {
            view = view.subspan(begin, end - begin);
            std::string result;
            result.reserve(view.size() * 4);
            for (const auto& code_point : view) {
              internal::Utf8Encode(result, code_point);
            }
            result.shrink_to_fit();
            return result;
          }),
      view_);
}

void SourceContentView::AppendToString(std::string& dest) const {
  absl::visit(absl::Overload(