1 //===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines things specific to Win32 implementations.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 //=== WARNING: Implementation here must contain only generic Win32 code that
16 //=== is guaranteed to work on *all* Win32 variants.
17 //===----------------------------------------------------------------------===//
19 // mingw-w64 tends to define it as 0x0502 in its headers.
22 // Require at least Windows XP(5.1) API.
23 #define _WIN32_WINNT 0x0501
24 #define _WIN32_IE 0x0600 // MinGW at it again.
25 #define WIN32_LEAN_AND_MEAN
27 #include "llvm/ADT/SmallVector.h"
28 #include "llvm/ADT/StringRef.h"
29 #include "llvm/Config/config.h" // Get build system configuration settings
30 #include "llvm/Support/Compiler.h"
31 #include "llvm/Support/system_error.h"
39 inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) {
43 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
44 NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
45 *ErrMsg = prefix + buffer;
50 template <typename HandleTraits>
52 typedef typename HandleTraits::handle_type handle_type;
55 ScopedHandle(const ScopedHandle &other); // = delete;
56 void operator=(const ScopedHandle &other); // = delete;
59 : Handle(HandleTraits::GetInvalid()) {}
61 explicit ScopedHandle(handle_type h)
65 if (HandleTraits::IsValid(Handle))
66 HandleTraits::Close(Handle);
70 handle_type t = Handle;
71 Handle = HandleTraits::GetInvalid();
75 ScopedHandle &operator=(handle_type h) {
76 if (HandleTraits::IsValid(Handle))
77 HandleTraits::Close(Handle);
82 // True if Handle is valid.
83 LLVM_EXPLICIT operator bool() const {
84 return HandleTraits::IsValid(Handle) ? true : false;
87 operator handle_type() const {
92 struct CommonHandleTraits {
93 typedef HANDLE handle_type;
95 static handle_type GetInvalid() {
96 return INVALID_HANDLE_VALUE;
99 static void Close(handle_type h) {
103 static bool IsValid(handle_type h) {
104 return h != GetInvalid();
108 struct JobHandleTraits : CommonHandleTraits {
109 static handle_type GetInvalid() {
114 struct CryptContextTraits : CommonHandleTraits {
115 typedef HCRYPTPROV handle_type;
117 static handle_type GetInvalid() {
121 static void Close(handle_type h) {
122 ::CryptReleaseContext(h, 0);
125 static bool IsValid(handle_type h) {
126 return h != GetInvalid();
130 struct FindHandleTraits : CommonHandleTraits {
131 static void Close(handle_type h) {
136 struct FileHandleTraits : CommonHandleTraits {};
138 typedef ScopedHandle<CommonHandleTraits> ScopedCommonHandle;
139 typedef ScopedHandle<FileHandleTraits> ScopedFileHandle;
140 typedef ScopedHandle<CryptContextTraits> ScopedCryptContext;
141 typedef ScopedHandle<FindHandleTraits> ScopedFindHandle;
142 typedef ScopedHandle<JobHandleTraits> ScopedJobHandle;
146 class SmallVectorImpl;
149 typename SmallVectorImpl<T>::const_pointer
150 c_str(SmallVectorImpl<T> &str) {
158 error_code UTF8ToUTF16(StringRef utf8,
159 SmallVectorImpl<wchar_t> &utf16);
160 error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len,
161 SmallVectorImpl<char> &utf8);
162 } // end namespace windows
163 } // end namespace sys
164 } // end namespace llvm.