//===--- LLVM.h - Import various common LLVM datatypes ----------*- 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
//
//===----------------------------------------------------------------------===//
//
/// \file
/// Forward-declares and imports various common LLVM datatypes that
/// clang wants to use unqualified.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_LLVM_H
#define LLVM_CLANG_BASIC_LLVM_H
// Do not proliferate #includes here, require clients to #include their
// dependencies.
// Casting.h has complex templates that cannot be easily forward declared.
#include "llvm/Support/Casting.h"
// None.h includes an enumerator that is desired & cannot be forward declared
// without a definition of NoneType.
#include "llvm/ADT/None.h"
// Add this header as a workaround to prevent `too few template arguments for
// class template 'SmallVector'` building error with build compilers like XL.
#include "llvm/ADT/SmallVector.h"
namespace llvm {
// ADT's.
class StringRef;
class Twine;
class VersionTuple;
template<typename T> class ArrayRef;
template<typename T> class MutableArrayRef;
template<typename T> class OwningArrayRef;
template<unsigned InternalLen> class SmallString;
template<typename T, unsigned N> class SmallVector;
template<typename T> class SmallVectorImpl;
template <typename T> using Optional = std::optional<T>;
template <class T> class Expected;
template<typename T>
struct SaveAndRestore;
// Reference counting.
template <typename T> class IntrusiveRefCntPtr;
template <typename T> struct IntrusiveRefCntPtrInfo;
template <class Derived> class RefCountedBase;
class raw_ostream;
class raw_pwrite_stream;
// TODO: DenseMap, ...
}
namespace clang {
// Casting operators.
using llvm::isa;
using llvm::isa_and_nonnull;
using llvm::isa_and_present;
using llvm::cast;
using llvm::dyn_cast;
using llvm::dyn_cast_or_null;
using llvm::dyn_cast_if_present;
using llvm::cast_or_null;
using llvm::cast_if_present;
// ADT's.
using llvm::ArrayRef;
using llvm::MutableArrayRef;
using llvm::Optional;
using llvm::OwningArrayRef;
using llvm::SaveAndRestore;
using llvm::SmallString;
using llvm::SmallVector;
using llvm::SmallVectorImpl;
using llvm::StringRef;
using llvm::Twine;
using llvm::VersionTuple;
// Error handling.
using llvm::Expected;
// Reference counting.
using llvm::IntrusiveRefCntPtr;
using llvm::IntrusiveRefCntPtrInfo;
using llvm::RefCountedBase;
using llvm::raw_ostream;
using llvm::raw_pwrite_stream;
} // end namespace clang.
#endif