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<typename T> class OwningArrayRef; 34 template<unsigned InternalLen> class SmallString; 35 template<typename T, unsigned N> class SmallVector; 36 template<typename T> class SmallVectorImpl; 37 template<typename T> class Optional; 38 template <class T> class Expected; 39 40 template<typename T> 41 struct SaveAndRestore; 42 43 // Reference counting. 44 template <typename T> class IntrusiveRefCntPtr; 45 template <typename T> struct IntrusiveRefCntPtrInfo; 46 template <class Derived> class RefCountedBase; 47 48 class raw_ostream; 49 class raw_pwrite_stream; 50 // TODO: DenseMap, ... 51 } 52 53 54 namespace clang { 55 // Casting operators. 56 using llvm::isa; 57 using llvm::cast; 58 using llvm::dyn_cast; 59 using llvm::dyn_cast_or_null; 60 using llvm::cast_or_null; 61 62 // ADT's. 63 using llvm::None; 64 using llvm::Optional; 65 using llvm::StringRef; 66 using llvm::Twine; 67 using llvm::ArrayRef; 68 using llvm::MutableArrayRef; 69 using llvm::OwningArrayRef; 70 using llvm::SmallString; 71 using llvm::SmallVector; 72 using llvm::SmallVectorImpl; 73 using llvm::SaveAndRestore; 74 75 // Error handling. 76 using llvm::Expected; 77 78 // Reference counting. 79 using llvm::IntrusiveRefCntPtr; 80 using llvm::IntrusiveRefCntPtrInfo; 81 using llvm::RefCountedBase; 82 83 using llvm::raw_ostream; 84 using llvm::raw_pwrite_stream; 85 } // end namespace clang. 86 87 #endif 88