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/// 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 class VersionTuple;
32 template<typename T> class ArrayRef;
33 template<typename T> class MutableArrayRef;
34 template<typename T> class OwningArrayRef;
35 template<unsigned InternalLen> class SmallString;
36 template<typename T, unsigned N> class SmallVector;
37 template<typename T> class SmallVectorImpl;
38 template<typename T> class Optional;
39 template <class T> class Expected;
40
41 template<typename T>
42 struct SaveAndRestore;
43
44 // Reference counting.
45 template <typename T> class IntrusiveRefCntPtr;
46 template <typename T> struct IntrusiveRefCntPtrInfo;
47 template <class Derived> class RefCountedBase;
48
49 class raw_ostream;
50 class raw_pwrite_stream;
51 // TODO: DenseMap, ...
52}
53
54
55namespace clang {
56 // Casting operators.
57 using llvm::isa;
58 using llvm::cast;
59 using llvm::dyn_cast;
60 using llvm::dyn_cast_or_null;
61 using llvm::cast_or_null;
62
63 // ADT's.
64 using llvm::ArrayRef;
65 using llvm::MutableArrayRef;
66 using llvm::None;
67 using llvm::Optional;
68 using llvm::OwningArrayRef;
69 using llvm::SaveAndRestore;
70 using llvm::SmallString;
71 using llvm::SmallVector;
72 using llvm::SmallVectorImpl;
73 using llvm::StringRef;
74 using llvm::Twine;
75 using llvm::VersionTuple;
76
77 // Error handling.
78 using llvm::Expected;
79
80 // Reference counting.
81 using llvm::IntrusiveRefCntPtr;
82 using llvm::IntrusiveRefCntPtrInfo;
83 using llvm::RefCountedBase;
84
85 using llvm::raw_ostream;
86 using llvm::raw_pwrite_stream;
87} // end namespace clang.
88
89#endif
90