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📄 ConstString.h(17.92 KB)
📄 DataBuffer.h(3.39 KB)
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📄 Event.h(6.64 KB)
📄 FileSpec.h(15.41 KB)
📄 Flags.h(3.39 KB)
📄 GDBRemote.h(4.15 KB)
📄 IOObject.h(1.38 KB)
📄 Iterable.h(5.5 KB)
📄 LLDBAssert.h(911 B)
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📄 Log.h(10.51 KB)
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📄 NameMatches.h(716 B)
📄 Predicate.h(8.08 KB)
📄 ProcessInfo.h(7.92 KB)
📄 RangeMap.h(23.05 KB)
📄 RegisterValue.h(7.08 KB)
📄 RegularExpression.h(3.2 KB)
📄 Reproducer.h(13.25 KB)
📄 ReproducerInstrumentation.h(39.38 KB)
📄 Scalar.h(11.27 KB)
📄 SelectHelper.h(2.53 KB)
📄 SharedCluster.h(1.69 KB)
📄 State.h(2.54 KB)
📄 Status.h(7.31 KB)
📄 Stream.h(14.34 KB)
📄 StreamCallback.h(978 B)
📄 StreamString.h(1.23 KB)
📄 StreamTee.h(4.52 KB)
📄 StringExtractor.h(3.13 KB)
📄 StringExtractorGDBRemote.h(6.12 KB)
📄 StringLexer.h(1.31 KB)
📄 StringList.h(3.47 KB)
📄 StructuredData.h(15.49 KB)
📄 TildeExpressionResolver.h(2.42 KB)
📄 Timeout.h(2.45 KB)
📄 Timer.h(1.87 KB)
📄 TraceOptions.h(1.79 KB)
📄 UUID.h(3.74 KB)
📄 UriParser.h(1.01 KB)
📄 UserID.h(2.8 KB)
📄 UserIDResolver.h(1.8 KB)
📄 VASPrintf.h(636 B)
📄 VMRange.h(3.06 KB)
📄 XcodeSDK.h(2.85 KB)

Editing: UUID.h

//===-- UUID.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 LLDB_UTILITY_UUID_H
#define LLDB_UTILITY_UUID_H

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include <stddef.h>
#include <stdint.h>
#include <string>

namespace lldb_private {

class Stream;

class UUID {
public:
  UUID() = default;

/// Creates a UUID from the data pointed to by the bytes argument. No special
  /// significance is attached to any of the values.
  static UUID fromData(const void *bytes, uint32_t num_bytes) {
    if (bytes)
      return fromData({reinterpret_cast<const uint8_t *>(bytes), num_bytes});
    return UUID();
  }

/// Creates a uuid from the data pointed to by the bytes argument. No special
  /// significance is attached to any of the values.
  static UUID fromData(llvm::ArrayRef<uint8_t> bytes) { return UUID(bytes); }

/// Creates a UUID from the data pointed to by the bytes argument. Data
  /// consisting purely of zero bytes is treated as an invalid UUID.
  static UUID fromOptionalData(const void *bytes, uint32_t num_bytes) {
    if (bytes)
      return fromOptionalData(
          {reinterpret_cast<const uint8_t *>(bytes), num_bytes});
    return UUID();
  }

/// Creates a UUID from the data pointed to by the bytes argument. Data
  /// consisting purely of zero bytes is treated as an invalid UUID.
  static UUID fromOptionalData(llvm::ArrayRef<uint8_t> bytes) {
    if (llvm::all_of(bytes, [](uint8_t b) { return b == 0; }))
      return UUID();
    return UUID(bytes);
  }

void Clear() { m_bytes.clear(); }

void Dump(Stream *s) const;

llvm::ArrayRef<uint8_t> GetBytes() const { return m_bytes; }

explicit operator bool() const { return IsValid(); }
  bool IsValid() const { return !m_bytes.empty(); }

std::string GetAsString(llvm::StringRef separator = "-") const;

bool SetFromStringRef(llvm::StringRef str);

// Same as SetFromStringRef, but if the resultant UUID is all 0 bytes, set the
  // UUID to invalid.
  bool SetFromOptionalStringRef(llvm::StringRef str);

/// Decode as many UUID bytes as possible from the C string \a cstr.
  ///
  /// \param[in] str
  ///     An llvm::StringRef that points at a UUID string value (no leading
  ///     spaces). The string must contain only hex characters and optionally
  ///     can contain the '-' sepearators.
  ///
  /// \param[in] uuid_bytes
  ///     A buffer of bytes that will contain a full or partially decoded UUID.
  ///
  /// \return
  ///     The original string, with all decoded bytes removed.
  static llvm::StringRef
  DecodeUUIDBytesFromString(llvm::StringRef str,
                            llvm::SmallVectorImpl<uint8_t> &uuid_bytes);

private:
  UUID(llvm::ArrayRef<uint8_t> bytes) : m_bytes(bytes.begin(), bytes.end()) {}

// GNU ld generates 20-byte build-ids. Size chosen to avoid heap allocations
  // for this case.
  llvm::SmallVector<uint8_t, 20> m_bytes;

friend bool operator==(const UUID &LHS, const UUID &RHS) {
    return LHS.m_bytes == RHS.m_bytes;
  }
  friend bool operator!=(const UUID &LHS, const UUID &RHS) {
    return !(LHS == RHS);
  }
  friend bool operator<(const UUID &LHS, const UUID &RHS) {
    return LHS.m_bytes < RHS.m_bytes;
  }
  friend bool operator<=(const UUID &LHS, const UUID &RHS) {
    return !(RHS < LHS);
  }
  friend bool operator>(const UUID &LHS, const UUID &RHS) { return RHS < LHS; }
  friend bool operator>=(const UUID &LHS, const UUID &RHS) {
    return !(LHS < RHS);
  }
};
} // namespace lldb_private

#endif // LLDB_UTILITY_UUID_H

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