Migrated project to Xcode 9.3 and Swift 4.1.

Author: objecthub

CHANGELOG.md

@@ -1,7 +1,22 @@
 # Changelog
 
+## 2.2 (2018-03-30)
+- Port to Swift 4.1
+- Migrated project to Xcode 9.3
+
+## 2.1 (2018-01-24)
+- Port to Swift 4.0.2
+- Bug fix to support the Swift Package Manager for Swift 4
+- Makes `BigInt` a fully integrated `SignedInteger` in Swift 4
+- Re-introduces operations with overflow for `Rational` (which got lost in the Swift 4 migration)
+- Optimize performance of `BigInt`
+- Comprehensive support for bit operations on `BigInt` numbers
+- Several bug fixes for existing bit operations
+- Fixes numerous bugs in bit shifting logic
+- Fixes serious bug in division and remainder logic for `BigInt` numbers
+
 ## 2.0 (2017-09-24)
-- Ported NumberKit to Swift 4. This is a major change that might break existing clients.
+- Ported NumberKit to Swift 4. This is a major change that might break existing clients
 - Added support for `toPower(of:)` for all integer types
 - Added new operators to `BigInt`: `<<`, `>>`, `<<=`, `>>=`, `%`, `%=`
 - Introduced new integer protocol: `IntegerNumber`

NumberKit.xcodeproj/project.pbxproj

@@ -186,7 +186,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0700;
-				LastUpgradeCheck = 0900;
+				LastUpgradeCheck = 0930;
 				ORGANIZATIONNAME = ObjectHub;
 				TargetAttributes = {
 					CC99F54E1B7AA6E200355E1E = {
@@ -282,12 +282,14 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
@@ -338,12 +340,14 @@
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;

NumberKit.xcodeproj/xcshareddata/xcschemes/NumberKit (shared).xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0930"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,7 +26,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -56,7 +55,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

NumberKit.xcodeproj/xcuserdata/zenger.xcuserdatad/xcschemes/NumberKit.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "0930"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,7 +26,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -56,7 +55,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

README.md

@@ -2,8 +2,8 @@
 
 <p>
 <a href="https://developer.apple.com/osx/"><img src="https://img.shields.io/badge/Platform-macOS-blue.svg?style=flat" alt="Platform: macOS" /></a>
-<a href="https://developer.apple.com/swift/"><img src="https://img.shields.io/badge/Language-Swift%204.0-green.svg?style=flat" alt="Language: Swift 4.0" /></a>
-<a href="https://developer.apple.com/xcode/"><img src="https://img.shields.io/badge/IDE-Xcode%209.0-orange.svg?style=flat" alt="IDE: Xcode 9.0" /></a>
+<a href="https://developer.apple.com/swift/"><img src="https://img.shields.io/badge/Language-Swift%204.1-green.svg?style=flat" alt="Language: Swift 4.1" /></a>
+<a href="https://developer.apple.com/xcode/"><img src="https://img.shields.io/badge/IDE-Xcode%209.3-orange.svg?style=flat" alt="IDE: Xcode 9.3" /></a>
 <a href="https://raw.githubusercontent.com/objecthub/swift-lispkit/master/LICENSE"><img src="http://img.shields.io/badge/License-Apache-lightgrey.svg?style=flat" alt="License: Apache" /></a>
 </p>
 
@@ -16,7 +16,10 @@ language. The current version provides three new numeric types:
   2. `Rational`: signed rational numbers
   3. `Complex`: complex floating-point numbers
 
-**Requirements**: Xcode 9/Swift Package Manager, Swift 4
+**Requirements**:
+   - Xcode 9.3
+   - Swift 4.1
+   - Optional: Swift Package Manager
 
 **Note**: So far, with every major version of Swift, Apple decided to change the foundational APIs of the numeric
 types in Swift significantly and consistently in a backward incompatible way. In order to be more isolated from