File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/llvm/include/llvm/ADT

usr / src / contrib / llvm-project / llvm / include / llvm / ADT /

📁 ..
📄 APFloat.h(48.83 KB)
📄 APInt.h(74.48 KB)
📄 APSInt.h(11.75 KB)
📄 AllocatorList.h(7.53 KB)
📄 Any.h(5.05 KB)
📄 ArrayRef.h(17.92 KB)
📄 BitVector.h(29.74 KB)
📄 Bitfields.h(11.65 KB)
📄 BitmaskEnum.h(5.53 KB)
📄 BreadthFirstIterator.h(4.82 KB)
📄 CachedHashString.h(5.9 KB)
📄 CoalescingBitVector.h(14.91 KB)
📄 DAGDeltaAlgorithm.h(3.13 KB)
📄 DeltaAlgorithm.h(3.54 KB)
📄 DenseMap.h(43.14 KB)
📄 DenseMapInfo.h(11.4 KB)
📄 DenseSet.h(9.33 KB)
📄 DepthFirstIterator.h(10.37 KB)
📄 DirectedGraph.h(9.56 KB)
📄 EnumeratedArray.h(1.6 KB)
📄 EpochTracker.h(3.2 KB)
📄 EquivalenceClasses.h(10.52 KB)
📄 FloatingPointMode.h(5.62 KB)
📄 FoldingSet.h(30.16 KB)
📄 FunctionExtras.h(14.55 KB)
📄 GraphTraits.h(5.71 KB)
📄 Hashing.h(25.12 KB)
📄 ImmutableList.h(7.57 KB)
📄 ImmutableMap.h(10.84 KB)
📄 ImmutableSet.h(37.52 KB)
📄 IndexedMap.h(2.5 KB)
📄 IntEqClasses.h(2.87 KB)
📄 IntervalMap.h(72.88 KB)
📄 IntrusiveRefCntPtr.h(8.1 KB)
📄 MapVector.h(7.79 KB)
📄 None.h(983 B)
📄 Optional.h(10.82 KB)
📄 PackedVector.h(4.17 KB)
📄 PointerEmbeddedInt.h(4.05 KB)
📄 PointerIntPair.h(8.72 KB)
📄 PointerSumType.h(11.61 KB)
📄 PointerUnion.h(10.17 KB)
📄 PostOrderIterator.h(11.05 KB)
📄 PriorityQueue.h(2.69 KB)
📄 PriorityWorklist.h(8.11 KB)
📄 SCCIterator.h(8.02 KB)
📄 STLExtras.h(70.56 KB)
📄 ScopeExit.h(1.83 KB)
📄 ScopedHashTable.h(8.27 KB)
📄 Sequence.h(2.59 KB)
📄 SetOperations.h(2.58 KB)
📄 SetVector.h(9.39 KB)
📄 SmallBitVector.h(20.36 KB)
📄 SmallPtrSet.h(16.93 KB)
📄 SmallSet.h(8.37 KB)
📄 SmallString.h(8.55 KB)
📄 SmallVector.h(32.33 KB)
📄 SparseBitVector.h(26.2 KB)
📄 SparseMultiSet.h(17.83 KB)
📄 SparseSet.h(11.41 KB)
📄 Statistic.h(7.01 KB)
📄 StringExtras.h(13.25 KB)
📄 StringMap.h(15.7 KB)
📄 StringMapEntry.h(4.83 KB)
📄 StringRef.h(31.68 KB)
📄 StringSet.h(1.51 KB)
📄 StringSwitch.h(6.25 KB)
📄 TinyPtrVector.h(10.19 KB)
📄 Triple.h(27.4 KB)
📄 Twine.h(17.48 KB)
📄 TypeSwitch.h(5.82 KB)
📄 UniqueVector.h(3.09 KB)
📄 Waymarking.h(11.96 KB)
📄 bit.h(2.26 KB)
📄 edit_distance.h(3.57 KB)
📄 fallible_iterator.h(8.31 KB)
📄 ilist.h(13.68 KB)
📄 ilist_base.h(2.72 KB)
📄 ilist_iterator.h(7.21 KB)
📄 ilist_node.h(9.84 KB)
📄 ilist_node_base.h(1.7 KB)
📄 ilist_node_options.h(5.07 KB)
📄 iterator.h(13.46 KB)
📄 iterator_range.h(2.22 KB)
📄 simple_ilist.h(10.78 KB)

Editing: StringMapEntry.h

//===- StringMapEntry.h - String Hash table map interface -------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file defines the StringMapEntry class - it is intended to be a low
// dependency implementation detail of StringMap that is more suitable for
// inclusion in public headers than StringMap.h itself is.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ADT_STRINGMAPENTRY_H
#define LLVM_ADT_STRINGMAPENTRY_H

#include "llvm/ADT/StringRef.h"

namespace llvm {

/// StringMapEntryBase - Shared base class of StringMapEntry instances.
class StringMapEntryBase {
  size_t keyLength;

public:
  explicit StringMapEntryBase(size_t keyLength) : keyLength(keyLength) {}

size_t getKeyLength() const { return keyLength; }
};

/// StringMapEntryStorage - Holds the value in a StringMapEntry.
///
/// Factored out into a separate base class to make it easier to specialize.
/// This is primarily intended to support StringSet, which doesn't need a value
/// stored at all.
template <typename ValueTy>
class StringMapEntryStorage : public StringMapEntryBase {
public:
  ValueTy second;

explicit StringMapEntryStorage(size_t keyLength)
      : StringMapEntryBase(keyLength), second() {}
  template <typename... InitTy>
  StringMapEntryStorage(size_t keyLength, InitTy &&... initVals)
      : StringMapEntryBase(keyLength),
        second(std::forward<InitTy>(initVals)...) {}
  StringMapEntryStorage(StringMapEntryStorage &e) = delete;

const ValueTy &getValue() const { return second; }
  ValueTy &getValue() { return second; }

void setValue(const ValueTy &V) { second = V; }
};

template <> class StringMapEntryStorage<NoneType> : public StringMapEntryBase {
public:
  explicit StringMapEntryStorage(size_t keyLength, NoneType none = None)
      : StringMapEntryBase(keyLength) {}
  StringMapEntryStorage(StringMapEntryStorage &entry) = delete;

NoneType getValue() const { return None; }
};

/// StringMapEntry - This is used to represent one value that is inserted into
/// a StringMap.  It contains the Value itself and the key: the string length
/// and data.
template <typename ValueTy>
class StringMapEntry final : public StringMapEntryStorage<ValueTy> {
public:
  using StringMapEntryStorage<ValueTy>::StringMapEntryStorage;

StringRef getKey() const {
    return StringRef(getKeyData(), this->getKeyLength());
  }

/// getKeyData - Return the start of the string data that is the key for this
  /// value.  The string data is always stored immediately after the
  /// StringMapEntry object.
  const char *getKeyData() const {
    return reinterpret_cast<const char *>(this + 1);
  }

StringRef first() const {
    return StringRef(getKeyData(), this->getKeyLength());
  }

/// Create a StringMapEntry for the specified key construct the value using
  /// \p InitiVals.
  template <typename AllocatorTy, typename... InitTy>
  static StringMapEntry *Create(StringRef key, AllocatorTy &allocator,
                                InitTy &&... initVals) {
    size_t keyLength = key.size();

// Allocate a new item with space for the string at the end and a null
    // terminator.
    size_t allocSize = sizeof(StringMapEntry) + keyLength + 1;
    size_t alignment = alignof(StringMapEntry);

StringMapEntry *newItem =
        static_cast<StringMapEntry *>(allocator.Allocate(allocSize, alignment));
    assert(newItem && "Unhandled out-of-memory");

// Construct the value.
    new (newItem) StringMapEntry(keyLength, std::forward<InitTy>(initVals)...);

// Copy the string information.
    char *strBuffer = const_cast<char *>(newItem->getKeyData());
    if (keyLength > 0)
      memcpy(strBuffer, key.data(), keyLength);
    strBuffer[keyLength] = 0; // Null terminate for convenience of clients.
    return newItem;
  }

/// GetStringMapEntryFromKeyData - Given key data that is known to be embedded
  /// into a StringMapEntry, return the StringMapEntry itself.
  static StringMapEntry &GetStringMapEntryFromKeyData(const char *keyData) {
    char *ptr = const_cast<char *>(keyData) - sizeof(StringMapEntry<ValueTy>);
    return *reinterpret_cast<StringMapEntry *>(ptr);
  }

/// Destroy - Destroy this StringMapEntry, releasing memory back to the
  /// specified allocator.
  template <typename AllocatorTy> void Destroy(AllocatorTy &allocator) {
    // Free memory referenced by the item.
    size_t AllocSize = sizeof(StringMapEntry) + this->getKeyLength() + 1;
    this->~StringMapEntry();
    allocator.Deallocate(static_cast<void *>(this), AllocSize,
                         alignof(StringMapEntry));
  }
};

} // end namespace llvm

#endif // LLVM_ADT_STRINGMAPENTRY_H

003 File Manager

Editing: StringMapEntry.h

Upload File

Create Folder