1//===- Formatters.cpp -----------------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "llvm/DebugInfo/CodeView/Formatters.h" 10#include "llvm/ADT/ArrayRef.h" 11#include "llvm/DebugInfo/CodeView/GUID.h" 12#include "llvm/Support/raw_ostream.h" 13#include <algorithm> 14#include <cassert> 15 16using namespace llvm; 17using namespace llvm::codeview; 18using namespace llvm::codeview::detail; 19 20GuidAdapter::GuidAdapter(StringRef Guid) 21 : FormatAdapter(makeArrayRef(Guid.bytes_begin(), Guid.bytes_end())) {} 22 23GuidAdapter::GuidAdapter(ArrayRef<uint8_t> Guid) 24 : FormatAdapter(std::move(Guid)) {} 25 26void GuidAdapter::format(raw_ostream &Stream, StringRef Style) { 27 static const char *Lookup = "0123456789ABCDEF"; 28 29 assert(Item.size() == 16 && "Expected 16-byte GUID"); 30 Stream << "{"; 31 for (int i = 0; i < 16;) { 32 uint8_t Byte = Item[i]; 33 uint8_t HighNibble = (Byte >> 4) & 0xF; 34 uint8_t LowNibble = Byte & 0xF; 35 Stream << Lookup[HighNibble] << Lookup[LowNibble]; 36 ++i; 37 if (i >= 4 && i <= 10 && i % 2 == 0) 38 Stream << "-"; 39 } 40 Stream << "}"; 41} 42 43raw_ostream &llvm::codeview::operator<<(raw_ostream &OS, const GUID &Guid) { 44 codeview::detail::GuidAdapter A(Guid.Guid); 45 A.format(OS, ""); 46 return OS; 47} 48