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merged 2 commits into from
Aug 1, 2024
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[6.0] Int128 support in json #791

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3c3be37
Bare minimum [U]Int128 support for JSON encode/decode
stephentyrone Jul 25, 2024
f80887e
Switch to if #available check for Int128 tests
stephentyrone Jul 26, 2024
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30 changes: 30 additions & 0 deletions Sources/FoundationEssentials/JSON/JSONDecoder.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -1134,6 +1134,11 @@ extension JSONDecoderImpl : SingleValueDecodingContainer {
func decode(_: Int64.Type) throws -> Int64 {
try decodeFixedWidthInteger()
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
func decode(_: Int128.Type) throws -> Int128 {
try decodeFixedWidthInteger()
}

func decode(_: UInt.Type) throws -> UInt {
try decodeFixedWidthInteger()
Expand All @@ -1154,6 +1159,11 @@ extension JSONDecoderImpl : SingleValueDecodingContainer {
func decode(_: UInt64.Type) throws -> UInt64 {
try decodeFixedWidthInteger()
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
func decode(_: UInt128.Type) throws -> UInt128 {
try decodeFixedWidthInteger()
}

func decode<T: Decodable>(_ type: T.Type) throws -> T {
try self.unwrap(self.topValue, as: type, for: codingPathNode, _CodingKey?.none)
Expand Down Expand Up @@ -1280,6 +1290,11 @@ extension JSONDecoderImpl {
func decode(_: Int64.Type, forKey key: K) throws -> Int64 {
try decodeFixedWidthInteger(key: key)
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
func decode(_: Int128.Type, forKey key: K) throws -> Int128 {
try decodeFixedWidthInteger(key: key)
}

func decode(_: UInt.Type, forKey key: K) throws -> UInt {
try decodeFixedWidthInteger(key: key)
Expand All @@ -1300,6 +1315,11 @@ extension JSONDecoderImpl {
func decode(_: UInt64.Type, forKey key: K) throws -> UInt64 {
try decodeFixedWidthInteger(key: key)
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
func decode(_: UInt128.Type, forKey key: K) throws -> UInt128 {
try decodeFixedWidthInteger(key: key)
}

func decode<T: Decodable>(_ type: T.Type, forKey key: K) throws -> T {
try self.impl.unwrap(try getValue(forKey: key), as: type, for: codingPathNode, key)
Expand Down Expand Up @@ -1462,6 +1482,11 @@ extension JSONDecoderImpl {
mutating func decode(_: Int64.Type) throws -> Int64 {
try decodeFixedWidthInteger()
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
mutating func decode(_: Int128.Type) throws -> Int128 {
try decodeFixedWidthInteger()
}

mutating func decode(_: UInt.Type) throws -> UInt {
try decodeFixedWidthInteger()
Expand All @@ -1482,6 +1507,11 @@ extension JSONDecoderImpl {
mutating func decode(_: UInt64.Type) throws -> UInt64 {
try decodeFixedWidthInteger()
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
mutating func decode(_: UInt128.Type) throws -> UInt128 {
try decodeFixedWidthInteger()
}

mutating func decode<T: Decodable>(_ type: T.Type) throws -> T {
let value = try self.peekNextValue(ofType: type)
Expand Down
32 changes: 32 additions & 0 deletions Sources/FoundationEssentials/JSON/JSONEncoder.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -712,6 +712,10 @@ private struct _JSONKeyedEncodingContainer<K : CodingKey> : KeyedEncodingContain
public mutating func encode(_ value: Int64, forKey key: Key) throws {
reference.insert(self.encoder.wrap(value), for: _converted(key))
}
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
public mutating func encode(_ value: Int128, forKey key: Key) throws {
reference.insert(self.encoder.wrap(value), for: _converted(key))
}
public mutating func encode(_ value: UInt, forKey key: Key) throws {
reference.insert(self.encoder.wrap(value), for: _converted(key))
}
Expand All @@ -727,6 +731,10 @@ private struct _JSONKeyedEncodingContainer<K : CodingKey> : KeyedEncodingContain
public mutating func encode(_ value: UInt64, forKey key: Key) throws {
reference.insert(self.encoder.wrap(value), for: _converted(key))
}
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
public mutating func encode(_ value: UInt128, forKey key: Key) throws {
reference.insert(self.encoder.wrap(value), for: _converted(key))
}
public mutating func encode(_ value: String, forKey key: Key) throws {
reference.insert(self.encoder.wrap(value), for: _converted(key))
}
Expand Down Expand Up @@ -827,11 +835,15 @@ private struct _JSONUnkeyedEncodingContainer : UnkeyedEncodingContainer {
public mutating func encode(_ value: Int16) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: Int32) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: Int64) throws { self.reference.insert(self.encoder.wrap(value)) }
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
public mutating func encode(_ value: Int128) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: UInt) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: UInt8) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: UInt16) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: UInt32) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: UInt64) throws { self.reference.insert(self.encoder.wrap(value)) }
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
public mutating func encode(_ value: UInt128) throws { self.reference.insert(self.encoder.wrap(value)) }
public mutating func encode(_ value: String) throws { self.reference.insert(self.encoder.wrap(value)) }

public mutating func encode(_ value: Float) throws {
Expand Down Expand Up @@ -908,6 +920,12 @@ extension __JSONEncoder : SingleValueEncodingContainer {
assertCanEncodeNewValue()
self.storage.push(ref: wrap(value))
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
public func encode(_ value: Int128) throws {
assertCanEncodeNewValue()
self.storage.push(ref: wrap(value))
}

public func encode(_ value: UInt) throws {
assertCanEncodeNewValue()
Expand All @@ -933,6 +951,12 @@ extension __JSONEncoder : SingleValueEncodingContainer {
assertCanEncodeNewValue()
self.storage.push(ref: wrap(value))
}

@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
public func encode(_ value: UInt128) throws {
assertCanEncodeNewValue()
self.storage.push(ref: wrap(value))
}

public func encode(_ value: String) throws {
assertCanEncodeNewValue()
Expand Down Expand Up @@ -967,11 +991,15 @@ private extension __JSONEncoder {
@inline(__always) func wrap(_ value: Int16) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: Int32) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: Int64) -> JSONReference { .number(from: value) }
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
@inline(__always) func wrap(_ value: Int128) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: UInt) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: UInt8) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: UInt16) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: UInt32) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: UInt64) -> JSONReference { .number(from: value) }
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
@inline(__always) func wrap(_ value: UInt128) -> JSONReference { .number(from: value) }
@inline(__always) func wrap(_ value: String) -> JSONReference { .string(value) }

@inline(__always)
Expand Down Expand Up @@ -1302,11 +1330,15 @@ extension Int8 : _JSONSimpleValueArrayElement { }
extension Int16 : _JSONSimpleValueArrayElement { }
extension Int32 : _JSONSimpleValueArrayElement { }
extension Int64 : _JSONSimpleValueArrayElement { }
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
extension Int128 : _JSONSimpleValueArrayElement { }
extension UInt : _JSONSimpleValueArrayElement { }
extension UInt8 : _JSONSimpleValueArrayElement { }
extension UInt16 : _JSONSimpleValueArrayElement { }
extension UInt32 : _JSONSimpleValueArrayElement { }
extension UInt64 : _JSONSimpleValueArrayElement { }
@available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *)
extension UInt128 : _JSONSimpleValueArrayElement { }
extension String: _JSONSimpleValueArrayElement {
fileprivate func jsonRepresentation(options: JSONEncoder._Options) -> String {
self.serializedForJSON(withoutEscapingSlashes: options.outputFormatting.contains(.withoutEscapingSlashes))
Expand Down
91 changes: 91 additions & 0 deletions Tests/FoundationEssentialsTests/JSONEncoderTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -612,6 +612,9 @@ final class JSONEncoderTests : XCTestCase {
_testRoundTripTypeCoercionFailure(of: [0, 1] as [UInt16], as: [Bool].self)
_testRoundTripTypeCoercionFailure(of: [0, 1] as [UInt32], as: [Bool].self)
_testRoundTripTypeCoercionFailure(of: [0, 1] as [UInt64], as: [Bool].self)
if #available(macOS 15.0, *) {
_testRoundTripTypeCoercionFailure(of: [0, 1] as [UInt128], as: [Bool].self)
}
_testRoundTripTypeCoercionFailure(of: [0.0, 1.0] as [Float], as: [Bool].self)
_testRoundTripTypeCoercionFailure(of: [0.0, 1.0] as [Double], as: [Bool].self)
}
Expand Down Expand Up @@ -1323,6 +1326,94 @@ final class JSONEncoderTests : XCTestCase {
let testValue = Numbers(floats: [.greatestFiniteMagnitude, .leastNormalMagnitude], doubles: [.greatestFiniteMagnitude, .leastNormalMagnitude])
_testRoundTrip(of: testValue)
}

func test_roundTrippingInt128() {
if #available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *) {
let values = [
Int128.min,
Int128.min + 1,
-0x1_0000_0000_0000_0000,
0x0_8000_0000_0000_0000,
-1,
0,
0x7fff_ffff_ffff_ffff,
0x8000_0000_0000_0000,
0xffff_ffff_ffff_ffff,
0x1_0000_0000_0000_0000,
.max
]
for i128 in values {
_testRoundTrip(of: i128)
}
}
}

func test_Int128SlowPath() {
if #available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *) {
let decoder = JSONDecoder()
let work: [Int128] = [18446744073709551615, -18446744073709551615]
for value in work {
// force the slow-path by appending ".0"
let json = "\(value).0".data(using: String._Encoding.utf8)!
XCTAssertEqual(value, try? decoder.decode(Int128.self, from: json))
}
// These should work, but making them do so probably requires
// rewriting the slow path to use a dedicated parser. For now,
// we ensure that they throw instead of returning some bogus
// result.
let shouldWorkButDontYet: [Int128] = [
.min, -18446744073709551616, 18446744073709551616, .max
]
for value in shouldWorkButDontYet {
// force the slow-path by appending ".0"
let json = "\(value).0".data(using: String._Encoding.utf8)!
XCTAssertThrowsError(try decoder.decode(Int128.self, from: json))
}
}
}

func test_roundTrippingUInt128() {
if #available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *) {
let values = [
UInt128.zero,
1,
0x0000_0000_0000_0000_7fff_ffff_ffff_ffff,
0x0000_0000_0000_0000_8000_0000_0000_0000,
0x0000_0000_0000_0000_ffff_ffff_ffff_ffff,
0x0000_0000_0000_0001_0000_0000_0000_0000,
0x7fff_ffff_ffff_ffff_ffff_ffff_ffff_ffff,
0x8000_0000_0000_0000_0000_0000_0000_0000,
.max
]
for u128 in values {
_testRoundTrip(of: u128)
}
}
}

func test_UInt128SlowPath() {
if #available(macOS 15.0, iOS 18.0, tvOS 18.0, watchOS 11.0, visionOS 2.0, *) {
let decoder = JSONDecoder()
let work: [UInt128] = [18446744073709551615]
for value in work {
// force the slow-path by appending ".0"
let json = "\(value).0".data(using: String._Encoding.utf8)!
XCTAssertEqual(value, try? decoder.decode(UInt128.self, from: json))
}
// These should work, but making them do so probably requires
// rewriting the slow path to use a dedicated parser. For now,
// we ensure that they throw instead of returning some bogus
// result.
let shouldWorkButDontYet: [UInt128] = [
18446744073709551616, .max
]
for value in shouldWorkButDontYet {
// force the slow-path by appending ".0"
let json = "\(value).0".data(using: String._Encoding.utf8)!
XCTAssertThrowsError(try decoder.decode(UInt128.self, from: json))
}
}
}

func test_roundTrippingDoubleValues() {
struct Numbers : Codable, Equatable {
Expand Down