| //===- Formatters.cpp -----------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/DebugInfo/CodeView/Formatters.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/DebugInfo/CodeView/GUID.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <algorithm> |
| #include <cassert> |
| |
| using namespace llvm; |
| using namespace llvm::codeview; |
| using namespace llvm::codeview::detail; |
| |
| GuidAdapter::GuidAdapter(StringRef Guid) |
| : FormatAdapter(makeArrayRef(Guid.bytes_begin(), Guid.bytes_end())) {} |
| |
| GuidAdapter::GuidAdapter(ArrayRef<uint8_t> Guid) |
| : FormatAdapter(std::move(Guid)) {} |
| |
| void GuidAdapter::format(raw_ostream &Stream, StringRef Style) { |
| static const char *Lookup = "0123456789ABCDEF"; |
| |
| assert(Item.size() == 16 && "Expected 16-byte GUID"); |
| Stream << "{"; |
| for (int i = 0; i < 16;) { |
| uint8_t Byte = Item[i]; |
| uint8_t HighNibble = (Byte >> 4) & 0xF; |
| uint8_t LowNibble = Byte & 0xF; |
| Stream << Lookup[HighNibble] << Lookup[LowNibble]; |
| ++i; |
| if (i >= 4 && i <= 10 && i % 2 == 0) |
| Stream << "-"; |
| } |
| Stream << "}"; |
| } |
| |
| raw_ostream &llvm::codeview::operator<<(raw_ostream &OS, const GUID &Guid) { |
| codeview::detail::GuidAdapter A(Guid.Guid); |
| A.format(OS, ""); |
| return OS; |
| } |