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 LLVM_CLANG_BASIC_LLVM_H 17 #define LLVM_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 class raw_pwrite_stream; 49 // TODO: DenseMap, ... 50 } 51 52 53 namespace clang { 54 // Casting operators. 55 using llvm::isa; 56 using llvm::cast; 57 using llvm::dyn_cast; 58 using llvm::dyn_cast_or_null; 59 using llvm::cast_or_null; 60 61 // ADT's. 62 using llvm::None; 63 using llvm::Optional; 64 using llvm::StringRef; 65 using llvm::Twine; 66 using llvm::ArrayRef; 67 using llvm::MutableArrayRef; 68 using llvm::SmallString; 69 using llvm::SmallVector; 70 using llvm::SmallVectorImpl; 71 using llvm::SaveAndRestore; 72 73 // Reference counting. 74 using llvm::IntrusiveRefCntPtr; 75 using llvm::IntrusiveRefCntPtrInfo; 76 using llvm::RefCountedBase; 77 using llvm::RefCountedBaseVPTR; 78 79 using llvm::raw_ostream; 80 using llvm::raw_pwrite_stream; 81 } // end namespace clang. 82 83 #endif 84
