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zig/std/os/windows/index.zig
Andrew Kelley 445b03384a introduce std.heap.ArenaAllocator and std.heap.DirectAllocator 
* DirectAllocator does the underlying syscall for every allocation.
 * ArenaAllocator takes another allocator as an argument and
   allocates bytes up front, falling back to DirectAllocator with
   increasingly large allocation sizes, to avoid calling it too often.
   Then the entire arena can be freed at once.

The self hosted parser is updated to take advantage of ArenaAllocator
for the AST that it returns. This significantly reduces the complexity
of cleanup code.

docgen and build runner are updated to use the combination of
ArenaAllocator and DirectAllocator instead of IncrementingAllocator,
which is now deprecated in favor of FixedBufferAllocator combined
with DirectAllocator.

The C allocator calls aligned_alloc instead of malloc, in order to
respect the alignment parameter.

Added asserts in Allocator to ensure that implementors of the
interface return slices of the correct size.

Fixed a bug in Allocator when you call realloc to grow the allocation.
2018-02-12 02:14:44 -05:00

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pub const ERROR = @import("error.zig");
pub extern "advapi32" stdcallcc fn CryptAcquireContextA(phProv: &HCRYPTPROV, pszContainer: ?LPCSTR,
pszProvider: ?LPCSTR, dwProvType: DWORD, dwFlags: DWORD) BOOL;
pub extern "advapi32" stdcallcc fn CryptReleaseContext(hProv: HCRYPTPROV, dwFlags: DWORD) BOOL;
pub extern "advapi32" stdcallcc fn CryptGenRandom(hProv: HCRYPTPROV, dwLen: DWORD, pbBuffer: &BYTE) BOOL;
pub extern "kernel32" stdcallcc fn CloseHandle(hObject: HANDLE) BOOL;
pub extern "kernel32" stdcallcc fn CreateDirectoryA(lpPathName: LPCSTR,
lpSecurityAttributes: ?&SECURITY_ATTRIBUTES) BOOL;
pub extern "kernel32" stdcallcc fn CreateFileA(lpFileName: LPCSTR, dwDesiredAccess: DWORD,
dwShareMode: DWORD, lpSecurityAttributes: ?LPSECURITY_ATTRIBUTES, dwCreationDisposition: DWORD,
dwFlagsAndAttributes: DWORD, hTemplateFile: ?HANDLE) HANDLE;
pub extern "kernel32" stdcallcc fn CreatePipe(hReadPipe: &HANDLE, hWritePipe: &HANDLE,
lpPipeAttributes: &const SECURITY_ATTRIBUTES, nSize: DWORD) BOOL;
pub extern "kernel32" stdcallcc fn CreateProcessA(lpApplicationName: ?LPCSTR, lpCommandLine: LPSTR,
lpProcessAttributes: ?&SECURITY_ATTRIBUTES, lpThreadAttributes: ?&SECURITY_ATTRIBUTES, bInheritHandles: BOOL,
dwCreationFlags: DWORD, lpEnvironment: ?&c_void, lpCurrentDirectory: ?LPCSTR, lpStartupInfo: &STARTUPINFOA,
lpProcessInformation: &PROCESS_INFORMATION) BOOL;
pub extern "kernel32" stdcallcc fn CreateSymbolicLinkA(lpSymlinkFileName: LPCSTR, lpTargetFileName: LPCSTR,
dwFlags: DWORD) BOOLEAN;
pub extern "kernel32" stdcallcc fn DeleteFileA(lpFileName: LPCSTR) BOOL;
pub extern "kernel32" stdcallcc fn ExitProcess(exit_code: UINT) noreturn;
pub extern "kernel32" stdcallcc fn FreeEnvironmentStringsA(penv: LPCH) BOOL;
pub extern "kernel32" stdcallcc fn GetCommandLineA() LPSTR;
pub extern "kernel32" stdcallcc fn GetConsoleMode(in_hConsoleHandle: HANDLE, out_lpMode: &DWORD) BOOL;
pub extern "kernel32" stdcallcc fn GetCurrentDirectoryA(nBufferLength: WORD, lpBuffer: ?LPSTR) DWORD;
pub extern "kernel32" stdcallcc fn GetEnvironmentStringsA() ?LPCH;
pub extern "kernel32" stdcallcc fn GetEnvironmentVariableA(lpName: LPCSTR, lpBuffer: LPSTR, nSize: DWORD) DWORD;
pub extern "kernel32" stdcallcc fn GetExitCodeProcess(hProcess: HANDLE, lpExitCode: &DWORD) BOOL;
pub extern "kernel32" stdcallcc fn GetFileSizeEx(hFile: HANDLE, lpFileSize: &LARGE_INTEGER) BOOL;
pub extern "kernel32" stdcallcc fn GetModuleFileNameA(hModule: ?HMODULE, lpFilename: LPSTR, nSize: DWORD) DWORD;
pub extern "kernel32" stdcallcc fn GetLastError() DWORD;
pub extern "kernel32" stdcallcc fn GetFileInformationByHandleEx(in_hFile: HANDLE,
in_FileInformationClass: FILE_INFO_BY_HANDLE_CLASS, out_lpFileInformation: &c_void,
in_dwBufferSize: DWORD) BOOL;
pub extern "kernel32" stdcallcc fn GetFinalPathNameByHandleA(hFile: HANDLE, lpszFilePath: LPSTR,
cchFilePath: DWORD, dwFlags: DWORD) DWORD;
pub extern "kernel32" stdcallcc fn GetProcessHeap() ?HANDLE;
pub extern "kernel32" stdcallcc fn HeapCreate(flOptions: DWORD, dwInitialSize: SIZE_T, dwMaximumSize: SIZE_T) ?HANDLE;
pub extern "kernel32" stdcallcc fn HeapDestroy(hHeap: HANDLE) BOOL;
pub extern "kernel32" stdcallcc fn HeapReAlloc(hHeap: HANDLE, dwFlags: DWORD, lpMem: &c_void, dwBytes: SIZE_T) ?&c_void;
pub extern "kernel32" stdcallcc fn HeapSize(hHeap: HANDLE, dwFlags: DWORD, lpMem: &const c_void) SIZE_T;
pub extern "kernel32" stdcallcc fn HeapValidate(hHeap: HANDLE, dwFlags: DWORD, lpMem: &const c_void) BOOL;
pub extern "kernel32" stdcallcc fn HeapCompact(hHeap: HANDLE, dwFlags: DWORD) SIZE_T;
pub extern "kernel32" stdcallcc fn HeapSummary(hHeap: HANDLE, dwFlags: DWORD, lpSummary: LPHEAP_SUMMARY) BOOL;
pub extern "kernel32" stdcallcc fn GetStdHandle(in_nStdHandle: DWORD) ?HANDLE;
pub extern "kernel32" stdcallcc fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) ?&c_void;
pub extern "kernel32" stdcallcc fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: &c_void) BOOL;
pub extern "kernel32" stdcallcc fn MoveFileExA(lpExistingFileName: LPCSTR, lpNewFileName: LPCSTR,
dwFlags: DWORD) BOOL;
pub extern "kernel32" stdcallcc fn ReadFile(in_hFile: HANDLE, out_lpBuffer: &c_void,
in_nNumberOfBytesToRead: DWORD, out_lpNumberOfBytesRead: &DWORD,
in_out_lpOverlapped: ?&OVERLAPPED) BOOL;
pub extern "kernel32" stdcallcc fn SetFilePointerEx(in_fFile: HANDLE, in_liDistanceToMove: LARGE_INTEGER,
out_opt_ldNewFilePointer: ?&LARGE_INTEGER, in_dwMoveMethod: DWORD) BOOL;
pub extern "kernel32" stdcallcc fn SetHandleInformation(hObject: HANDLE, dwMask: DWORD, dwFlags: DWORD) BOOL;
pub extern "kernel32" stdcallcc fn Sleep(dwMilliseconds: DWORD) void;
pub extern "kernel32" stdcallcc fn TerminateProcess(hProcess: HANDLE, uExitCode: UINT) BOOL;
pub extern "kernel32" stdcallcc fn WaitForSingleObject(hHandle: HANDLE, dwMilliseconds: DWORD) DWORD;
pub extern "kernel32" stdcallcc fn WriteFile(in_hFile: HANDLE, in_lpBuffer: &const c_void,
in_nNumberOfBytesToWrite: DWORD, out_lpNumberOfBytesWritten: ?&DWORD,
in_out_lpOverlapped: ?&OVERLAPPED) BOOL;
//TODO: call unicode versions instead of relying on ANSI code page
pub extern "kernel32" stdcallcc fn LoadLibraryA(lpLibFileName: LPCSTR) ?HMODULE;
pub extern "kernel32" stdcallcc fn FreeLibrary(hModule: HMODULE) BOOL;
pub extern "user32" stdcallcc fn MessageBoxA(hWnd: ?HANDLE, lpText: ?LPCTSTR, lpCaption: ?LPCTSTR, uType: UINT) c_int;
pub const PROV_RSA_FULL = 1;
pub const BOOL = c_int;
pub const BOOLEAN = BYTE;
pub const BYTE = u8;
pub const CHAR = u8;
pub const DWORD = u32;
pub const FLOAT = f32;
pub const HANDLE = &c_void;
pub const HCRYPTPROV = ULONG_PTR;
pub const HINSTANCE = &@OpaqueType();
pub const HMODULE = &@OpaqueType();
pub const INT = c_int;
pub const LPBYTE = &BYTE;
pub const LPCH = &CHAR;
pub const LPCSTR = &const CHAR;
pub const LPCTSTR = &const TCHAR;
pub const LPCVOID = &const c_void;
pub const LPDWORD = &DWORD;
pub const LPSTR = &CHAR;
pub const LPTSTR = if (UNICODE) LPWSTR else LPSTR;
pub const LPVOID = &c_void;
pub const LPWSTR = &WCHAR;
pub const PVOID = &c_void;
pub const PWSTR = &WCHAR;
pub const SIZE_T = usize;
pub const TCHAR = if (UNICODE) WCHAR else u8;
pub const UINT = c_uint;
pub const ULONG_PTR = usize;
pub const UNICODE = false;
pub const WCHAR = u16;
pub const WORD = u16;
pub const LARGE_INTEGER = i64;
pub const TRUE = 1;
pub const FALSE = 0;
/// The standard input device. Initially, this is the console input buffer, CONIN$.
pub const STD_INPUT_HANDLE = @maxValue(DWORD) - 10 + 1;
/// The standard output device. Initially, this is the active console screen buffer, CONOUT$.
pub const STD_OUTPUT_HANDLE = @maxValue(DWORD) - 11 + 1;
/// The standard error device. Initially, this is the active console screen buffer, CONOUT$.
pub const STD_ERROR_HANDLE = @maxValue(DWORD) - 12 + 1;
pub const INVALID_HANDLE_VALUE = @intToPtr(HANDLE, @maxValue(usize));
pub const OVERLAPPED = extern struct {
Internal: ULONG_PTR,
InternalHigh: ULONG_PTR,
Pointer: PVOID,
hEvent: HANDLE,
};
pub const LPOVERLAPPED = &OVERLAPPED;
pub const MAX_PATH = 260;
// TODO issue #305
pub const FILE_INFO_BY_HANDLE_CLASS = u32;
pub const FileBasicInfo = 0;
pub const FileStandardInfo = 1;
pub const FileNameInfo = 2;
pub const FileRenameInfo = 3;
pub const FileDispositionInfo = 4;
pub const FileAllocationInfo = 5;
pub const FileEndOfFileInfo = 6;
pub const FileStreamInfo = 7;
pub const FileCompressionInfo = 8;
pub const FileAttributeTagInfo = 9;
pub const FileIdBothDirectoryInfo = 10;
pub const FileIdBothDirectoryRestartInfo = 11;
pub const FileIoPriorityHintInfo = 12;
pub const FileRemoteProtocolInfo = 13;
pub const FileFullDirectoryInfo = 14;
pub const FileFullDirectoryRestartInfo = 15;
pub const FileStorageInfo = 16;
pub const FileAlignmentInfo = 17;
pub const FileIdInfo = 18;
pub const FileIdExtdDirectoryInfo = 19;
pub const FileIdExtdDirectoryRestartInfo = 20;
pub const FILE_NAME_INFO = extern struct {
FileNameLength: DWORD,
FileName: [1]WCHAR,
};
/// Return the normalized drive name. This is the default.
pub const FILE_NAME_NORMALIZED = 0x0;
/// Return the opened file name (not normalized).
pub const FILE_NAME_OPENED = 0x8;
/// Return the path with the drive letter. This is the default.
pub const VOLUME_NAME_DOS = 0x0;
/// Return the path with a volume GUID path instead of the drive name.
pub const VOLUME_NAME_GUID = 0x1;
/// Return the path with no drive information.
pub const VOLUME_NAME_NONE = 0x4;
/// Return the path with the volume device path.
pub const VOLUME_NAME_NT = 0x2;
pub const SECURITY_ATTRIBUTES = extern struct {
nLength: DWORD,
lpSecurityDescriptor: ?&c_void,
bInheritHandle: BOOL,
};
pub const PSECURITY_ATTRIBUTES = &SECURITY_ATTRIBUTES;
pub const LPSECURITY_ATTRIBUTES = &SECURITY_ATTRIBUTES;
pub const GENERIC_READ = 0x80000000;
pub const GENERIC_WRITE = 0x40000000;
pub const GENERIC_EXECUTE = 0x20000000;
pub const GENERIC_ALL = 0x10000000;
pub const FILE_SHARE_DELETE = 0x00000004;
pub const FILE_SHARE_READ = 0x00000001;
pub const FILE_SHARE_WRITE = 0x00000002;
pub const CREATE_ALWAYS = 2;
pub const CREATE_NEW = 1;
pub const OPEN_ALWAYS = 4;
pub const OPEN_EXISTING = 3;
pub const TRUNCATE_EXISTING = 5;
pub const FILE_ATTRIBUTE_ARCHIVE = 0x20;
pub const FILE_ATTRIBUTE_ENCRYPTED = 0x4000;
pub const FILE_ATTRIBUTE_HIDDEN = 0x2;
pub const FILE_ATTRIBUTE_NORMAL = 0x80;
pub const FILE_ATTRIBUTE_OFFLINE = 0x1000;
pub const FILE_ATTRIBUTE_READONLY = 0x1;
pub const FILE_ATTRIBUTE_SYSTEM = 0x4;
pub const FILE_ATTRIBUTE_TEMPORARY = 0x100;
pub const PROCESS_INFORMATION = extern struct {
hProcess: HANDLE,
hThread: HANDLE,
dwProcessId: DWORD,
dwThreadId: DWORD,
};
pub const STARTUPINFOA = extern struct {
cb: DWORD,
lpReserved: ?LPSTR,
lpDesktop: ?LPSTR,
lpTitle: ?LPSTR,
dwX: DWORD,
dwY: DWORD,
dwXSize: DWORD,
dwYSize: DWORD,
dwXCountChars: DWORD,
dwYCountChars: DWORD,
dwFillAttribute: DWORD,
dwFlags: DWORD,
wShowWindow: WORD,
cbReserved2: WORD,
lpReserved2: ?LPBYTE,
hStdInput: ?HANDLE,
hStdOutput: ?HANDLE,
hStdError: ?HANDLE,
};
pub const STARTF_FORCEONFEEDBACK = 0x00000040;
pub const STARTF_FORCEOFFFEEDBACK = 0x00000080;
pub const STARTF_PREVENTPINNING = 0x00002000;
pub const STARTF_RUNFULLSCREEN = 0x00000020;
pub const STARTF_TITLEISAPPID = 0x00001000;
pub const STARTF_TITLEISLINKNAME = 0x00000800;
pub const STARTF_UNTRUSTEDSOURCE = 0x00008000;
pub const STARTF_USECOUNTCHARS = 0x00000008;
pub const STARTF_USEFILLATTRIBUTE = 0x00000010;
pub const STARTF_USEHOTKEY = 0x00000200;
pub const STARTF_USEPOSITION = 0x00000004;
pub const STARTF_USESHOWWINDOW = 0x00000001;
pub const STARTF_USESIZE = 0x00000002;
pub const STARTF_USESTDHANDLES = 0x00000100;
pub const INFINITE = 4294967295;
pub const WAIT_ABANDONED = 0x00000080;
pub const WAIT_OBJECT_0 = 0x00000000;
pub const WAIT_TIMEOUT = 0x00000102;
pub const WAIT_FAILED = 0xFFFFFFFF;
pub const HANDLE_FLAG_INHERIT = 0x00000001;
pub const HANDLE_FLAG_PROTECT_FROM_CLOSE = 0x00000002;
pub const MOVEFILE_COPY_ALLOWED = 2;
pub const MOVEFILE_CREATE_HARDLINK = 16;
pub const MOVEFILE_DELAY_UNTIL_REBOOT = 4;
pub const MOVEFILE_FAIL_IF_NOT_TRACKABLE = 32;
pub const MOVEFILE_REPLACE_EXISTING = 1;
pub const MOVEFILE_WRITE_THROUGH = 8;
pub const FILE_BEGIN = 0;
pub const FILE_CURRENT = 1;
pub const FILE_END = 2;
pub const HEAP_CREATE_ENABLE_EXECUTE = 0x00040000;
pub const HEAP_GENERATE_EXCEPTIONS = 0x00000004;
pub const HEAP_NO_SERIALIZE = 0x00000001;
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