| 64 | } |
| 65 | |
| 66 | char32_t SourceContentView::at(SourcePosition position) const { |
| 67 | ABSL_DCHECK_GE(position, 0); |
| 68 | ABSL_DCHECK_LT(position, size()); |
| 69 | return absl::visit( |
| 70 | absl::Overload( |
| 71 | [position = |
| 72 | static_cast<size_t>(position)](absl::Span<const char> view) { |
| 73 | return static_cast<char32_t>(static_cast<uint8_t>(view[position])); |
| 74 | }, |
| 75 | [position = |
| 76 | static_cast<size_t>(position)](absl::Span<const uint8_t> view) { |
| 77 | return static_cast<char32_t>(view[position]); |
| 78 | }, |
| 79 | [position = |
| 80 | static_cast<size_t>(position)](absl::Span<const char16_t> view) { |
| 81 | return static_cast<char32_t>(view[position]); |
| 82 | }, |
| 83 | [position = |
| 84 | static_cast<size_t>(position)](absl::Span<const char32_t> view) { |
| 85 | return static_cast<char32_t>(view[position]); |
| 86 | }), |
| 87 | view_); |
| 88 | } |
| 89 | |
| 90 | std::string SourceContentView::ToString(SourcePosition begin, |
| 91 | SourcePosition end) const { |