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
27namespace 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
53namespace 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