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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
//===- Formatters.cpp -----------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/CodeView/Formatters.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <cassert>
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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::codeview::detail;
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GuidAdapter::GuidAdapter(StringRef Guid)
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: FormatAdapter(makeArrayRef(Guid.bytes_begin(), Guid.bytes_end())) {}
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GuidAdapter::GuidAdapter(ArrayRef<uint8_t> Guid)
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: FormatAdapter(std::move(Guid)) {}
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void GuidAdapter::format(raw_ostream &Stream, StringRef Style) {
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static const char *Lookup = "0123456789ABCDEF";
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assert(Item.size() == 16 && "Expected 16-byte GUID");
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Stream << "{";
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for (int i = 0; i < 16;) {
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uint8_t Byte = Item[i];
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uint8_t HighNibble = (Byte >> 4) & 0xF;
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uint8_t LowNibble = Byte & 0xF;
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Stream << Lookup[HighNibble] << Lookup[LowNibble];
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++i;
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if (i >= 4 && i <= 10 && i % 2 == 0)
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Stream << "-";
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}
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Stream << "}";
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}
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