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 27 namespace llvm { 28 // ADT's. 29 class StringRef; 30 class Twine; 31 template<typename T> class ArrayRef; 32 template<typename T> class MutableArrayRef; 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 52 namespace 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::MutableArrayRef; 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
