1//===--- LLVM.h - Import various common LLVM datatypes ----------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10/// \file 11/// \brief Forward declares and imports various common LLVM datatypes that 12/// clang wants to use unqualified. 13/// 14//===----------------------------------------------------------------------===// 15 16#ifndef CLANG_BASIC_LLVM_H 17#define CLANG_BASIC_LLVM_H 18 19// Do not proliferate #includes here, require clients to #include their 20// dependencies. 21// Casting.h has complex templates that cannot be easily forward declared. 22#include "llvm/Support/Casting.h" 23// None.h includes an enumerator that is desired & cannot be forward declared 24// without a definition of NoneType. 25#include "llvm/ADT/None.h" 26 27namespace llvm { 28 // ADT's. 29 class StringRef; 30 class Twine; 31 template<typename T> class ArrayRef; 32 template<typename T> class OwningPtr; 33 template<unsigned InternalLen> class SmallString; 34 template<typename T, unsigned N> class SmallVector; 35 template<typename T> class SmallVectorImpl; 36 template<typename T> class Optional; 37 38 template<typename T> 39 struct SaveAndRestore; 40 41 // Reference counting. 42 template <typename T> class IntrusiveRefCntPtr; 43 template <typename T> struct IntrusiveRefCntPtrInfo; 44 template <class Derived> class RefCountedBase; 45 class RefCountedBaseVPTR; 46 47 class raw_ostream; 48 // TODO: DenseMap, ... 49} 50 51 52namespace clang { 53 // Casting operators. 54 using llvm::isa; 55 using llvm::cast; 56 using llvm::dyn_cast; 57 using llvm::dyn_cast_or_null; 58 using llvm::cast_or_null; 59 60 // ADT's. 61 using llvm::None; 62 using llvm::Optional; 63 using llvm::StringRef; 64 using llvm::Twine; 65 using llvm::ArrayRef; 66 using llvm::OwningPtr; 67 using llvm::SmallString; 68 using llvm::SmallVector; 69 using llvm::SmallVectorImpl; 70 using llvm::SaveAndRestore; 71 72 // Reference counting. 73 using llvm::IntrusiveRefCntPtr; 74 using llvm::IntrusiveRefCntPtrInfo; 75 using llvm::RefCountedBase; 76 using llvm::RefCountedBaseVPTR; 77 78 using llvm::raw_ostream; 79} // end namespace clang. 80 81#endif 82