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 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
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::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