WIP/Foundation: port to Windows

Unformalised changes to port Foundation to Windows

Author: compnerd

CMakeLists.txt

@@ -84,7 +84,7 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL Darwin)
 elseif(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
   set(deployment_target -DDEPLOYMENT_TARGET_FREEBSD)
 elseif(CMAKE_SYSTEM_NAME STREQUAL Windows)
-  set(deployment_target -DDEPLOYMENT_TARGET_WINDOWS)
+  set(deployment_target -DDEPLOYMENT_TARGET_WINDOWS -D_AMD64_)
 endif()
 
 add_swift_library(Foundation

CoreFoundation/Base.subproj/CFPriv.h

@@ -57,9 +57,12 @@ CF_EXPORT void _CFRuntimeSetCFMPresent(void *a);
 CF_EXPORT const char *_CFProcessPath(void);
 CF_EXPORT const char **_CFGetProcessPath(void);
 CF_EXPORT const char **_CFGetProgname(void);
+
+#if !TARGET_OS_WIN32
 CF_EXPORT void _CFGetUGIDs(uid_t *euid, gid_t *egid);
 CF_EXPORT uid_t _CFGetEUID(void);
 CF_EXPORT uid_t _CFGetEGID(void);
+#endif
 
 
 #if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE || TARGET_OS_LINUX))

Foundation/AffineTransform.swift

@@ -11,6 +11,8 @@
     import Darwin
 #elseif os(Linux) || CYGWIN
     import Glibc
+#elseif os(Windows)
+    import MSVCRT
 #endif
 
 private let ε: CGFloat = CGFloat(2.22045e-16)

Foundation/ByteCountFormatter.swift

@@ -7,6 +7,9 @@
 // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 
+#if os(Windows)
+import MSVCRT
+#endif
 
 extension ByteCountFormatter {
     public struct Units : OptionSet {

Foundation/CGFloat.swift

@@ -7,6 +7,10 @@
 // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 
+#if os(Windows)
+import MSVCRT
+#endif
+
 @_fixed_layout
 public struct CGFloat {
 #if arch(i386) || arch(arm)
@@ -863,11 +867,13 @@ public func scalbn(_ x: CGFloat, _ n: Int) -> CGFloat {
     return CGFloat(scalbn(x.native, n))
 }
 
+#if !os(Windows)
 @_transparent
 public func lgamma(_ x: CGFloat) -> (CGFloat, Int) {
     let (value, sign) = lgamma(x.native)
     return (CGFloat(value), sign)
 }
+#endif
 
 @_transparent
 public func remquo(_ x: CGFloat, _ y: CGFloat) -> (CGFloat, Int) {

Foundation/Data.swift

@@ -16,12 +16,19 @@
 import Darwin
 #elseif os(Linux)
 import Glibc
+#elseif os(Windows)
+import MSVCRT
+import WinSDK
 #endif
 
 import CoreFoundation
 
 internal func __NSDataInvokeDeallocatorUnmap(_ mem: UnsafeMutableRawPointer, _ length: Int) {
+#if os(Windows)
+	UnmapViewOfFile(mem)
+#else
     munmap(mem, length)
+#endif
 }
 
 internal func __NSDataInvokeDeallocatorFree(_ mem: UnsafeMutableRawPointer, _ length: Int) {
@@ -187,7 +194,7 @@ public final class _DataStorage {
                 var buffer = UnsafeMutableRawBufferPointer.allocate(byteCount: range.count, alignment: MemoryLayout<UInt>.alignment)
                 defer { buffer.deallocate() }
 
-                let sliceRange = NSRange(location: range.lowerBound - _offset, length: range.count)
+                _ = NSRange(location: range.lowerBound - _offset, length: range.count)
                 var enumerated = 0
                 d.enumerateBytes { (ptr, byteRange, stop) in
                     if byteRange.upperBound - _offset < range.lowerBound {

Foundation/DateFormatter.swift

@@ -14,14 +14,9 @@ open class DateFormatter : Formatter {
     private var __cfObject: CFType?
     private var _cfObject: CFType {
         guard let obj = __cfObject else {
-            #if os(macOS) || os(iOS)
-                let dateStyle = CFDateFormatterStyle(rawValue: CFIndex(self.dateStyle.rawValue))!
-                let timeStyle = CFDateFormatterStyle(rawValue: CFIndex(self.timeStyle.rawValue))!
-            #else
-                let dateStyle = CFDateFormatterStyle(self.dateStyle.rawValue)
-                let timeStyle = CFDateFormatterStyle(self.timeStyle.rawValue)
-            #endif
-            
+            let dateStyle = CFDateFormatterStyle(rawValue: CFIndex(self.dateStyle.rawValue))!
+            let timeStyle = CFDateFormatterStyle(rawValue: CFIndex(self.timeStyle.rawValue))!
+
             let obj = CFDateFormatterCreate(kCFAllocatorSystemDefault, locale._cfObject, dateStyle, timeStyle)!
             _setFormatterAttributes(obj)
             if let dateFormat = _dateFormat {