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📄 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: Any.h

//===- Any.h - Generic type erased holder of any type -----------*- 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 provides Any, a non-template class modeled in the spirit of
//  std::any.  The idea is to provide a type-safe replacement for C's void*.
//  It can hold a value of any copy-constructible copy-assignable type
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ADT_ANY_H
#define LLVM_ADT_ANY_H

#include "llvm/ADT/STLExtras.h"

#include <cassert>
#include <memory>
#include <type_traits>

namespace llvm {

class Any {
 template <typename T> struct TypeId { static const char Id; };

struct StorageBase {
 virtual ~StorageBase() = default;
 virtual std::unique_ptr<StorageBase> clone() const = 0;
 virtual const void *id() const = 0;
 };

template <typename T> struct StorageImpl : public StorageBase {
 explicit StorageImpl(const T &Value) : Value(Value) {}

explicit StorageImpl(T &&Value) : Value(std::move(Value)) {}

std::unique_ptr<StorageBase> clone() const override {
 return std::make_unique<StorageImpl<T>>(Value);
 }

const void *id() const override { return &TypeId<T>::Id; }

T Value;

private:
    StorageImpl &operator=(const StorageImpl &Other) = delete;
    StorageImpl(const StorageImpl &Other) = delete;
  };

public:
  Any() = default;

Any(const Any &Other)
      : Storage(Other.Storage ? Other.Storage->clone() : nullptr) {}

// When T is Any or T is not copy-constructible we need to explicitly disable
 // the forwarding constructor so that the copy constructor gets selected
 // instead.
 template <typename T,
 std::enable_if_t<
 llvm::conjunction<
 llvm::negation<std::is_same<std::decay_t<T>, Any>>,
 // We also disable this overload when an `Any` object can be
 // converted to the parameter type because in that case,
 // this constructor may combine with that conversion during
 // overload resolution for determining copy
 // constructibility, and then when we try to determine copy
 // constructibility below we may infinitely recurse. This is
 // being evaluated by the standards committee as a potential
 // DR in `std::any` as well, but we're going ahead and
 // adopting it to work-around usage of `Any` with types that
 // need to be implicitly convertible from an `Any`.
 llvm::negation<std::is_convertible<Any, std::decay_t<T>>>,
 std::is_copy_constructible<std::decay_t<T>>>::value,
 int> = 0>
 Any(T &&Value) {
 Storage =
 std::make_unique<StorageImpl<std::decay_t<T>>>(std::forward<T>(Value));
 }

Any(Any &&Other) : Storage(std::move(Other.Storage)) {}

Any &swap(Any &Other) {
    std::swap(Storage, Other.Storage);
    return *this;
  }

Any &operator=(Any Other) {
    Storage = std::move(Other.Storage);
    return *this;
  }

bool hasValue() const { return !!Storage; }

void reset() { Storage.reset(); }

private:
 template <class T> friend T any_cast(const Any &Value);
 template <class T> friend T any_cast(Any &Value);
 template <class T> friend T any_cast(Any &&Value);
 template <class T> friend const T *any_cast(const Any *Value);
 template <class T> friend T *any_cast(Any *Value);
 template <typename T> friend bool any_isa(const Any &Value);

std::unique_ptr<StorageBase> Storage;
};

template <typename T> const char Any::TypeId<T>::Id = 0;

template <typename T> bool any_isa(const Any &Value) {
 if (!Value.Storage)
 return false;
 return Value.Storage->id() ==
 &Any::TypeId<std::remove_cv_t<std::remove_reference_t<T>>>::Id;
}

template <class T> T any_cast(const Any &Value) {
 return static_cast<T>(
 *any_cast<std::remove_cv_t<std::remove_reference_t<T>>>(&Value));
}

template <class T> T any_cast(Any &Value) {
 return static_cast<T>(
 *any_cast<std::remove_cv_t<std::remove_reference_t<T>>>(&Value));
}

template <class T> T any_cast(Any &&Value) {
 return static_cast<T>(std::move(
 *any_cast<std::remove_cv_t<std::remove_reference_t<T>>>(&Value)));
}

template <class T> const T *any_cast(const Any *Value) {
 using U = std::remove_cv_t<std::remove_reference_t<T>>;
 assert(Value && any_isa<T>(*Value) && "Bad any cast!");
 if (!Value || !any_isa(*Value))
 return nullptr;
 return &static_cast<Any::StorageImpl &>(*Value->Storage).Value;
}

template <class T> T *any_cast(Any *Value) {
 using U = std::decay_t<T>;
 assert(Value && any_isa(*Value) && "Bad any cast!");
 if (!Value || !any_isa(*Value))
 return nullptr;
 return &static_cast<Any::StorageImpl &>(*Value->Storage).Value;
}

} // end namespace llvm

#endif // LLVM_ADT_ANY_H

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