llvm-project/llvm/lib/DebugInfo/CodeView/Formatters.cpp

38 lines
1.1 KiB
C++

//===- Formatters.cpp -------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/CodeView/Formatters.h"
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(llvm::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 << "}";
}