llvm/llvm/include/llvm/DebugInfo/CodeView/TypeIndex.h

//===- TypeIndex.h ----------------------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEBUGINFO_CODEVIEW_TYPEINDEX_H
#define LLVM_DEBUGINFO_CODEVIEW_TYPEINDEX_H

#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/Support/Endian.h"
#include <cassert>
#include <cinttypes>

namespace llvm {

class ScopedPrinter;
class StringRef;

namespace codeview {

class TypeCollection;

enum class SimpleTypeKind : uint32_t { … };

enum class SimpleTypeMode : uint32_t { … };

/// A 32-bit type reference. Types are indexed by their order of appearance in
/// .debug$T plus 0x1000. Type indices less than 0x1000 are "simple" types,
/// composed of a SimpleTypeMode byte followed by a SimpleTypeKind byte.
class TypeIndex { … };

// Used for pseudo-indexing an array of type records.  An array of such records
// sorted by TypeIndex can allow log(N) lookups even though such a type record
// stream does not provide random access.
struct TypeIndexOffset { … };

void printTypeIndex(ScopedPrinter &Printer, StringRef FieldName, TypeIndex TI,
                    TypeCollection &Types);
}

template <> struct DenseMapInfo<codeview::TypeIndex> { … };

} // namespace llvm

#endif