1 //===- Formatters.cpp -----------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/DebugInfo/CodeView/Formatters.h" 11 #include "llvm/ADT/ArrayRef.h" 12 #include "llvm/DebugInfo/CodeView/GUID.h" 13 #include "llvm/Support/raw_ostream.h" 14 #include <algorithm> 15 #include <cassert> 16 17 using namespace llvm; 18 using namespace llvm::codeview; 19 using namespace llvm::codeview::detail; 20 GuidAdapter(StringRef Guid)21GuidAdapter::GuidAdapter(StringRef Guid) 22 : FormatAdapter(makeArrayRef(Guid.bytes_begin(), Guid.bytes_end())) {} 23 GuidAdapter(ArrayRef<uint8_t> Guid)24GuidAdapter::GuidAdapter(ArrayRef<uint8_t> Guid) 25 : FormatAdapter(std::move(Guid)) {} 26 format(raw_ostream & Stream,StringRef Style)27void GuidAdapter::format(raw_ostream &Stream, StringRef Style) { 28 static const char *Lookup = "0123456789ABCDEF"; 29 30 assert(Item.size() == 16 && "Expected 16-byte GUID"); 31 Stream << "{"; 32 for (int i = 0; i < 16;) { 33 uint8_t Byte = Item[i]; 34 uint8_t HighNibble = (Byte >> 4) & 0xF; 35 uint8_t LowNibble = Byte & 0xF; 36 Stream << Lookup[HighNibble] << Lookup[LowNibble]; 37 ++i; 38 if (i >= 4 && i <= 10 && i % 2 == 0) 39 Stream << "-"; 40 } 41 Stream << "}"; 42 } 43 operator <<(raw_ostream & OS,const GUID & Guid)44raw_ostream &llvm::codeview::operator<<(raw_ostream &OS, const GUID &Guid) { 45 codeview::detail::GuidAdapter A(Guid.Guid); 46 A.format(OS, ""); 47 return OS; 48 } 49