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//===- 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;
}
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