Require Swift 5.7 or later (#424)

.github/workflows/bazel.yml

@@ -41,7 +41,7 @@ jobs:
   Linux:
     strategy:
       matrix:
-        tag: ['5.4', '5.5', '5.6', '5.7', '5.8', '5.9', '5.10']
+        tag: ['5.7', '5.8', '5.9', '5.10']
     runs-on: ubuntu-latest
     container:
       image: swift:${{ matrix.tag }}-focal

.github/workflows/cmake.yml

@@ -30,7 +30,7 @@ jobs:
     name: macOS with Xcode ${{ matrix.xcode_version }}
     strategy:
       matrix:
-        xcode_version: ['15.0', '15.1', '15.2', '15.3', '15.4']
+        xcode_version: ['15.0', '15.4']
     runs-on: macos-14
     env:
       DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode_version }}.app

.github/workflows/swiftpm.yml

@@ -28,20 +28,6 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  Xcode_Monterey:
-    name: macOS 12 with Xcode ${{ matrix.xcode_version }}
-    strategy:
-      matrix:
-        xcode_version: ['13.3.1', '13.4', '14.0.1', '14.1', '14.2']
-    runs-on: macos-12
-    env:
-      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode_version }}.app
-    steps:
-      - uses: actions/checkout@v4
-      - run: swift -version
-      - run: YAMS_DEFAULT_ENCODING=UTF16 swift test --parallel
-      - run: YAMS_DEFAULT_ENCODING=UTF8 swift test --parallel
-
   Xcode_Ventura:
     name: macOS 13 with Xcode ${{ matrix.xcode_version }}
     strategy:

.github/workflows/xcodebuild.yml

@@ -26,39 +26,6 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  xcodebuild_Monterey:
-    name: macOS 12 with Xcode ${{ matrix.xcode_version }}
-    strategy:
-      matrix:
-        xcode_version: ['13.3.1', '13.4', '14.0.1', '14.2']
-        xcode_flags: ['-scheme Yams -project Yams.xcodeproj']
-    runs-on: macos-12
-    env:
-      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode_version }}.app
-    steps:
-      - uses: actions/checkout@v4
-      - run: xcodebuild -version
-      - name: macOS with UTF16
-        if: always()
-        run: set -o pipefail && YAMS_DEFAULT_ENCODING=UTF16 xcodebuild ${{ matrix.xcode_flags }} test | xcbeautify --renderer github-actions
-        shell: bash
-      - name: macOS with UTF8
-        if: always()
-        run: set -o pipefail && YAMS_DEFAULT_ENCODING=UTF8 xcodebuild ${{ matrix.xcode_flags }} test | xcbeautify --renderer github-actions
-        shell: bash
-      - name: iPhone Simulator
-        if: always()
-        run: set -o pipefail && xcodebuild ${{ matrix.xcode_flags }} test -sdk iphonesimulator -destination "name=iPhone 8" | xcbeautify --renderer github-actions
-        shell: bash
-      - name: Apple TV Simulator
-        if: always()
-        run: set -o pipefail && xcodebuild ${{ matrix.xcode_flags }} test -sdk appletvsimulator -destination "name=Apple TV 4K (2nd generation)" | xcbeautify --renderer github-actions
-        shell: bash
-      - name: watchOS Simulator
-        if: always()
-        run: set -o pipefail && xcodebuild ${{ matrix.xcode_flags }} build -sdk watchsimulator | xcbeautify --renderer github-actions
-        shell: bash
-
   xcodebuild_Ventura:
     name: macOS 13 with Xcode ${{ matrix.xcode_version }}
     strategy:

CHANGELOG.md

@@ -2,7 +2,8 @@
 
 ##### Breaking
 
-* None.
+* Swift 5.7 or later is now required to build Yams.  
+  [JP Simard](https://github.com/jpsim)
 
 ##### Enhancements
 

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.4
+// swift-tools-version:5.7
 import PackageDescription
 
 let package = Package(

README.md

@@ -13,7 +13,7 @@ A sweet and swifty [YAML](http://yaml.org/) parser built on
 
 ## Installation
 
-Building Yams requires Xcode 12.5+ or a Swift 5.4+ toolchain with the
+Building Yams requires Xcode 14.0+ or a Swift 5.7+ toolchain with the
 Swift Package Manager or CMake and Ninja.
 
 ### CMake

Sources/Yams/Encoder.swift

@@ -226,30 +226,18 @@ extension _Encoder: SingleValueEncodingContainer {
     func encode<T>(_ value: T) throws where T: YAMLEncodable {
         assertCanEncodeNewValue()
         node = value.box()
-#if swift(>=5.7)
         if let stringValue = value as? (any StringProtocol), stringValue.contains("\n") {
             node.scalar?.style = newlineScalarStyle
         }
-#else
-        if let stringValue = value as? String, stringValue.contains("\n") {
-            node.scalar?.style = newlineScalarStyle
-        }
-#endif
     }
 
     func encode<T>(_ value: T) throws where T: Encodable {
         assertCanEncodeNewValue()
         if let encodable = value as? YAMLEncodable {
             node = encodable.box()
-#if swift(>=5.7)
             if let stringValue = value as? (any StringProtocol), stringValue.contains("\n") {
                 node.scalar?.style = newlineScalarStyle
             }
-#else
-            if let stringValue = value as? String, stringValue.contains("\n") {
-                node.scalar?.style = newlineScalarStyle
-            }
-#endif
         } else {
             try value.encode(to: self)
         }

Tests/YamsTests/ConstructorTests.swift

@@ -526,25 +526,6 @@ class ConstructorTests: XCTestCase { // swiftlint:disable:this type_body_length
 
 extension ConstructorTests {
     static var allTests: [(String, (ConstructorTests) -> () throws -> Void)] {
-#if os(Windows) && swift(<5.6)
-        return [
-            ("testBinary", testBinary),
-            ("testBool", testBool),
-            // ("testFloat", testFloat),
-            // ("testInt", testInt),
-            ("testMap", testMap),
-            // ("testMerge", testMerge),
-            ("testNull", testNull),
-            // ("testOmap", testOmap),
-            ("testPairs", testPairs),
-            ("testQuotationMark", testQuotationMark),
-            ("testSet", testSet),
-            ("testSeq", testSeq),
-            ("testTimestamp", testTimestamp),
-            ("testTimestampWithNanosecond", testTimestampWithNanosecond)
-            // ("testValue", testValue)
-        ]
-#else
         return [
             ("testBinary", testBinary),
             ("testBool", testBool),
@@ -562,6 +543,5 @@ extension ConstructorTests {
             ("testTimestampWithNanosecond", testTimestampWithNanosecond),
             ("testValue", testValue)
         ]
-#endif
     }
 } // swiftlint:disable:this file_length

Tests/YamsTests/EncoderTests.swift

@@ -1149,38 +1149,6 @@ private struct Unkeyed: Codable, Equatable {
 
 extension EncoderTests {
     static var allTests: [(String, (EncoderTests) -> () throws -> Void)] {
-#if os(Windows) && swift(<5.6)
-        return [
-            ("testEncodingTopLevelEmptyStruct", testEncodingTopLevelEmptyStruct),
-            ("testEncodingTopLevelEmptyClass", testEncodingTopLevelEmptyClass),
-            ("testEncodingTopLevelSingleValueEnum", testEncodingTopLevelSingleValueEnum),
-            ("testEncodingTopLevelSingleValueStruct", testEncodingTopLevelSingleValueStruct),
-            // ("testEncodingTopLevelSingleValueClass", testEncodingTopLevelSingleValueClass),
-            // ("testEncodingTopLevelStructuredStruct", testEncodingTopLevelStructuredStruct),
-            ("testEncodingTopLevelStructuredClass", testEncodingTopLevelStructuredClass),
-            // ("testEncodingTopLevelStructuredSingleStruct", testEncodingTopLevelStructuredSingleStruct),
-            ("testEncodingTopLevelStructuredSingleClass", testEncodingTopLevelStructuredSingleClass),
-            // ("testEncodingTopLevelDeepStructuredType", testEncodingTopLevelDeepStructuredType),
-            // ("testEncodingClassWhichSharesEncoderWithSuper", testEncodingClassWhichSharesEncoderWithSuper),
-            ("testEncodingTopLevelNullableType", testEncodingTopLevelNullableType),
-            ("testEncodingDate", testEncodingDate),
-            ("testEncodingDateMillisecondsSince1970", testEncodingDateMillisecondsSince1970),
-            ("testEncodingBase64Data", testEncodingBase64Data),
-            // ("testNestedContainerCodingPaths", testNestedContainerCodingPaths),
-            // ("testSuperEncoderCodingPaths", testSuperEncoderCodingPaths),
-            ("testInterceptDecimal", testInterceptDecimal),
-            ("testInterceptURL", testInterceptURL),
-            // ("testValuesInSingleValueContainer", testValuesInSingleValueContainer),
-            // ("testValuesInKeyedContainer", testValuesInKeyedContainer),
-            // ("testValuesInUnkeyedContainer", testValuesInUnkeyedContainer),
-            ("testDictionary", testDictionary),
-            ("testNodeTypeMismatch", testNodeTypeMismatch),
-            // ("testDecodingConcreteTypeParameter", testDecodingConcreteTypeParameter),
-            ("testDecodingAnchors", testDecodingAnchors),
-            ("test_null_yml", test_null_yml),
-            ("testEncodingDateWithNanosecondGreaterThan999499977", testEncodingDateWithNanosecondGreaterThan999499977)
-        ]
-#else
         return [
             ("testEncodingTopLevelEmptyStruct", testEncodingTopLevelEmptyStruct),
             ("testEncodingTopLevelEmptyClass", testEncodingTopLevelEmptyClass),
@@ -1212,6 +1180,5 @@ extension EncoderTests {
             ("testEncodingDateWithNanosecondGreaterThan999499977", testEncodingDateWithNanosecondGreaterThan999499977),
             ("testDecoderMark", testDecoderMark)
         ]
-#endif
     }
 } // swiftlint:disable:this file_length

Tests/YamsTests/NodeTests.swift

@@ -206,23 +206,6 @@ class NodeTests: XCTestCase {
 
 extension NodeTests {
     static var allTests: [(String, (NodeTests) -> () throws -> Void)] {
-#if os(Windows) && swift(<5.6)
-        return [
-            ("testExpressibleByArrayLiteral", testExpressibleByArrayLiteral),
-            ("testExpressibleByDictionaryLiteral", testExpressibleByDictionaryLiteral),
-            ("testExpressibleByFloatLiteral", testExpressibleByFloatLiteral),
-            ("testExpressibleByIntegerLiteral", testExpressibleByIntegerLiteral),
-            ("testExpressibleByStringLiteral", testExpressibleByStringLiteral),
-            // ("testTypedAccessorProperties", testTypedAccessorProperties),
-            // ("testArray", testArray),
-            ("testSubscriptMapping", testSubscriptMapping),
-            // ("testSubscriptSequence", testSubscriptSequence),
-            ("testSubscriptWithNonDefaultResolver", testSubscriptWithNonDefaultResolver),
-            ("testMappingBehavesLikeADictionary", testMappingBehavesLikeADictionary),
-            ("testSequenceBehavesLikeAnArray", testSequenceBehavesLikeAnArray),
-            ("testScalar", testScalar)
-        ]
-#else
         return [
             ("testExpressibleByArrayLiteral", testExpressibleByArrayLiteral),
             ("testExpressibleByDictionaryLiteral", testExpressibleByDictionaryLiteral),
@@ -238,6 +221,5 @@ extension NodeTests {
             ("testSequenceBehavesLikeAnArray", testSequenceBehavesLikeAnArray),
             ("testScalar", testScalar)
         ]
-#endif
     }
 }

Tests/YamsTests/SpecTests.swift

@@ -916,39 +916,6 @@ class SpecTests: XCTestCase { // swiftlint:disable:this type_body_length
 
 extension SpecTests {
     static var allTests: [(String, (SpecTests) -> () throws -> Void)] {
-#if os(Windows) && swift(<5.6)
-        return [
-            ("testEmptyString", testEmptyString),
-            ("testMultibyteCharacters", testMultibyteCharacters),
-            // ("testSpecExample2_1_SequenceOfScalars", testSpecExample2_1_SequenceOfScalars),
-            // ("testSpecExample2_2_MappingScalarsToScalars", testSpecExample2_2_MappingScalarsToScalars),
-            ("testSpecExample2_3_MappingScalarsToSequences", testSpecExample2_3_MappingScalarsToSequences),
-            // ("testSpecExample2_4_SequenceOfMappings", testSpecExample2_4_SequenceOfMappings),
-            // ("testSpecExample2_5_SequenceOfSequences", testSpecExample2_5_SequenceOfSequences),
-            // ("testSpecExample2_6_MappingOfMappings", testSpecExample2_6_MappingOfMappings),
-            ("testSpecExample2_7_TwoDocumentsInAStream", testSpecExample2_7_TwoDocumentsInAStream),
-            // ("testSpecExample2_8_PlayByPlayFeedFromAGame", testSpecExample2_8_PlayByPlayFeedFromAGame),
-            ("testSpecExample2_9_SingleDocumentWithTwoComments", testSpecExample2_9_SingleDocumentWithTwoComments),
-            ("testSpecExample2_10_NodeForSammySosaAppearsTwiceInThisDocument",
-             testSpecExample2_10_NodeForSammySosaAppearsTwiceInThisDocument),
-            ("testSpecExample2_11_MappingBetweenSequences", testSpecExample2_11_MappingBetweenSequences),
-            // ("testSpecExample2_12_CompactNestedMapping", testSpecExample2_12_CompactNestedMapping),
-            ("testSpecExample2_13_Inliterals_NewlinesArePreserved",
-             testSpecExample2_13_Inliterals_NewlinesArePreserved),
-            ("testSpecExample2_14_InTheFoldedScalars_NewlinesBecomeSpaces",
-             testSpecExample2_14_InTheFoldedScalars_NewlinesBecomeSpaces),
-            ("testSpecExample2_15_InTheFoldedScalars_NewlinesBecomeSpaces",
-             testSpecExample2_15_InTheFoldedScalars_NewlinesBecomeSpaces),
-            ("testSpecExample2_16_IndentationDeterminesScope", testSpecExample2_16_IndentationDeterminesScope),
-            ("testSpecExample2_17_QuotedScalars", testSpecExample2_17_QuotedScalars),
-            ("testSpecExample2_18_MultiLineFlowScalars", testSpecExample2_18_MultiLineFlowScalars),
-            // ("testSpecExample2_19_Integers", testSpecExample2_19_Integers),
-            ("testSpecExample2_20_FloatingPoint", testSpecExample2_20_FloatingPoint),
-            ("testSpecExample2_23_VariousExplicitTags", testSpecExample2_23_VariousExplicitTags)
-            // ("testSpecExample2_27_Invoice", testSpecExample2_27_Invoice),
-            // ("testSpecExample2_28_LogFile", testSpecExample2_28_LogFile)
-        ]
-#else
         return [
             ("testEmptyString", testEmptyString),
             ("testMultibyteCharacters", testMultibyteCharacters),
@@ -980,6 +947,5 @@ extension SpecTests {
             ("testSpecExample2_27_Invoice", testSpecExample2_27_Invoice),
             ("testSpecExample2_28_LogFile", testSpecExample2_28_LogFile)
         ]
-#endif
     }
 } // swiftlint:disable:this file_length

Yams.podspec

@@ -8,7 +8,7 @@ Pod::Spec.new do |s|
   s.authors                    = { 'JP Simard' => '[email protected]',
                                   'Norio Nomura' => '[email protected]' }
   s.source_files               = 'Sources/**/*.{h,c,swift}'
-  s.swift_versions             = ['5.4', '5.5', '5.6', '5.7', '5.8', '5.9', '5.10']
+  s.swift_versions             = ['5.7', '5.8', '5.9', '5.10']
   s.pod_target_xcconfig        = { 'APPLICATION_EXTENSION_API_ONLY' => 'YES' }
   s.ios.deployment_target      = '11.0'
   s.osx.deployment_target      = '10.13'