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GeezerVison is showing github.com — JavaScriptKit/Sources/JavaScriptKit/BridgeJSIntrinsics.swift at main · cuberoot/JavaScriptKit Expand file tree/ Copy pathBridgeJSIntrinsics.swiftMore file actions 2401 lines (2087 loc) · 86.2 KB / Copy pathBridgeJSIntrinsics.swiftFile metadata and controls2401 lines (2087 loc) · 86.2 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 /// BridgeJS Intrinsics /// /// This file contains low-level intrinsic functions that are used by code generated /// by the BridgeJS system. import _CJavaScriptKit #if !arch(wasm32) @usableFromInline func _onlyAvailableOnWasm() -> Never { fatalError("Only available on WebAssembly") } #endif // MARK: Exception Handling #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_throw") private func _swift_js_throw_extern(_ id: Int32) #else private func _swift_js_throw_extern(_ id: Int32) { _onlyAvailableOnWasm() } #endif /// Throws a JavaScript exception from Swift code. /// /// This function is called by the BridgeJS code generator when a Swift function throws /// an error. The exception object is retained and stored for later retrieval by the /// JavaScript-side runtime code. /// /// - Parameter id: The ID of the JavaScript exception object to throw @_spi(BridgeJS) @inline(never) public func _swift_js_throw(_ id: Int32) { _swift_js_throw_extern(id) } /// Retrieves and clears any pending JavaScript exception. /// /// This function checks for any JavaScript exceptions that were thrown during /// the execution of imported JavaScript functions. If an exception exists, it /// is retrieved, cleared from the global storage, and returned as a `JSException`. /// /// - Returns: A `JSException` if an exception was pending, `nil` otherwise @_spi(BridgeJS) @_transparent public func _swift_js_take_exception() -> JSException? { #if arch(wasm32) let value = _swift_js_exception_get() if _fastPath(value == 0) { return nil } _swift_js_exception_set(0) return JSException(JSObject(id: UInt32(bitPattern: value)).jsValue) #else _onlyAvailableOnWasm() #endif } /// Releases a Swift closure from the FinalizationRegistry /// /// This function is called by the BridgeJS code generator when a Swift closure is released. /// The closure is released from the FinalizationRegistry so it can be garbage collected to /// balance the /// /// - Parameter pointer: The pointer to `_BridgeJSTypedClosureBox` instance @_expose(wasm, "bjs_release_swift_closure") public func _bjs_release_swift_closure(_ pointer: UnsafeMutableRawPointer) { Unmanaged<AnyObject>.fromOpaque(pointer).release() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_closure_unregister") private func _swift_js_closure_unregister_extern(_ id: Int32) #else private func _swift_js_closure_unregister_extern(_ id: Int32) { _onlyAvailableOnWasm() } #endif /// Unregisters a Swift closure from the FinalizationRegistry /// /// - Parameter id: The JavaScriptObjectRef of the JS closure object created by /// the BridgeJS's `make_swift_closure_{signature}` function. /// /// - Note: This is a best-effort operation. /// According to the ECMAScript specification, calling /// `FinalizationRegistry.prototype.unregister` does not guarantee that /// a finalization callback will be suppressed if the target object has /// already been garbage-collected and cleanup has been scheduled. /// This means that the finalization callback should be tolerant of the /// object being already collected. /// See: https://tc39.es/ecma262/multipage/managing-memory.html#sec-finalization-registry.prototype.unregister @inline(never) internal func _swift_js_closure_unregister(_ id: Int32) { _swift_js_closure_unregister_extern(id) } // MARK: Type lowering/lifting // // The following part defines the parameter and return value lowering/lifting // for a given type. They follow the following pattern: // // ```swift // extension <#TargetType#> { // // MARK: ImportTS // @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> <#WasmCoreType#> { // } // @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ ...) -> <#Self#> { // } // // MARK: ExportSwift // @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ ...) -> <#Self#> { // } // @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> <#WasmCoreType#> { // } // // MARK: Stack ABI // @_spi(BridgeJS) public static func bridgeJSStackPop() -> <#Self#> { // } // @_spi(BridgeJS) public consuming func bridgeJSStackPush() { // } // } // ``` // // where: // - <#TargetType#>: the higher-level type to be lowered/lifted // - <#WasmCoreType#>: the corresponding WebAssembly core type or Void // - `func bridgeJSLowerParameter()`: lower the given higher-level parameter to a WebAssembly core type // - `func bridgeJSLiftReturn(_ ...) -> <#TargetType#>`: lift the given Wasm core type return value to a higher-level type // - `func bridgeJSLiftParameter(_ ...) -> <#TargetType#>`: lift the given Wasm core type parameters to a higher-level type // - `func bridgeJSLowerReturn() -> <#WasmCoreType#>`: lower the given higher-level return value to a Wasm core type // - `func bridgeJSStackPop() -> <#TargetType#>`: no-arg overload that pops parameters from the param stack internally. // Note: Pop order must match Swift's left-to-right argument evaluation order. // - `func bridgeJSStackPush()`: push the value onto the return stack (used by _BridgedSwiftStackType for array elements) // // Optional types (ExportSwift only) additionally define: // - `func bridgeJSLiftReturnFromSideChannel()`: lift optional from side-channel storage for protocol property getters // // See JSGlueGen.swift in BridgeJSLink for JS-side lowering/lifting implementation. /// A protocol that Swift types that can appear as parameters or return values on public protocol _BridgedSwiftTypeLoweredIntoSingleWasmCoreType { associatedtype WasmCoreType // MARK: ImportTS consuming func bridgeJSLowerParameter() -> WasmCoreType static func bridgeJSLiftReturn(_ value: WasmCoreType) -> Self // MARK: ExportSwift static func bridgeJSLiftParameter(_ value: WasmCoreType) -> Self consuming func bridgeJSLowerReturn() -> WasmCoreType } public protocol _BridgedSwiftStackType { associatedtype StackLiftResult = Self static func bridgeJSStackPop() -> StackLiftResult consuming func bridgeJSStackPush() } /// Types that bridge with the same (isSome, value) ABI as Optional. /// Used by JSUndefinedOr so all bridge methods delegate to Optional<Wrapped>. public protocol _BridgedAsOptional { associatedtype Wrapped var asOptional: Wrapped? { get } init(optional: Wrapped?) } extension Bool: _BridgedSwiftTypeLoweredIntoSingleWasmCoreType, _BridgedSwiftStackType { // MARK: ImportTS @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Int32 { self ? 1 : 0 } @_spi(BridgeJS) @_transparent public static func bridgeJSLiftReturn(_ value: Int32) -> Bool { value == 1 } // MARK: ExportSwift @_spi(BridgeJS) @_transparent public static func bridgeJSLiftParameter(_ value: Int32) -> Bool { value == 1 } @_spi(BridgeJS) public static func bridgeJSStackPop() -> Bool { bridgeJSLiftParameter(_swift_js_pop_i32()) } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerReturn() -> Int32 { self ? 1 : 0 } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(self ? 1 : 0) } } extension Int: _BridgedSwiftTypeLoweredIntoSingleWasmCoreType, _BridgedSwiftStackType { // MARK: ImportTS @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Int32 { Int32(self) } @_spi(BridgeJS) @_transparent public static func bridgeJSLiftReturn(_ value: Int32) -> Int { Int(value) } // MARK: ExportSwift @_spi(BridgeJS) @_transparent public static func bridgeJSLiftParameter(_ value: Int32) -> Int { Int(value) } @_spi(BridgeJS) public static func bridgeJSStackPop() -> Int { bridgeJSLiftParameter(_swift_js_pop_i32()) } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerReturn() -> Int32 { Int32(self) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(Int32(self)) } } extension UInt: _BridgedSwiftTypeLoweredIntoSingleWasmCoreType, _BridgedSwiftStackType { // MARK: ImportTS @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Int32 { Int32(bitPattern: UInt32(self)) } @_spi(BridgeJS) @_transparent public static func bridgeJSLiftReturn(_ value: Int32) -> UInt { UInt(UInt32(bitPattern: value)) } // MARK: ExportSwift @_spi(BridgeJS) @_transparent public static func bridgeJSLiftParameter(_ value: Int32) -> UInt { UInt(UInt32(bitPattern: value)) } @_spi(BridgeJS) public static func bridgeJSStackPop() -> UInt { bridgeJSLiftParameter(_swift_js_pop_i32()) } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerReturn() -> Int32 { Int32(bitPattern: UInt32(self)) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(Int32(bitPattern: UInt32(self))) } } extension Int32: _BridgedSwiftStackType { @_spi(BridgeJS) public static func bridgeJSStackPop() -> Int32 { _swift_js_pop_i32() } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(self) } } extension Int64: _BridgedSwiftStackType { @_spi(BridgeJS) public static func bridgeJSStackPop() -> Int64 { Int64(_swift_js_pop_i32()) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(Int32(self)) } } extension UInt32: _BridgedSwiftStackType { @_spi(BridgeJS) public static func bridgeJSStackPop() -> UInt32 { UInt32(bitPattern: _swift_js_pop_i32()) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(Int32(bitPattern: self)) } } extension UInt64: _BridgedSwiftStackType { @_spi(BridgeJS) public static func bridgeJSStackPop() -> UInt64 { UInt64(UInt32(bitPattern: _swift_js_pop_i32())) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(Int32(bitPattern: UInt32(self))) } } extension Float: _BridgedSwiftTypeLoweredIntoSingleWasmCoreType, _BridgedSwiftStackType { // MARK: ImportTS @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Float32 { Float32(self) } @_spi(BridgeJS) @_transparent public static func bridgeJSLiftReturn(_ value: Float32) -> Float { Float(value) } // MARK: ExportSwift @_spi(BridgeJS) @_transparent public static func bridgeJSLiftParameter(_ value: Float32) -> Float { Float(value) } @_spi(BridgeJS) public static func bridgeJSStackPop() -> Float { bridgeJSLiftParameter(_swift_js_pop_f32()) } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerReturn() -> Float32 { Float32(self) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_f32(Float32(self)) } } extension Double: _BridgedSwiftTypeLoweredIntoSingleWasmCoreType, _BridgedSwiftStackType { // MARK: ImportTS @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Float64 { Float64(self) } @_spi(BridgeJS) @_transparent public static func bridgeJSLiftReturn(_ value: Float64) -> Double { Double(value) } // MARK: ExportSwift @_spi(BridgeJS) @_transparent public static func bridgeJSLiftParameter(_ value: Float64) -> Double { Double(value) } @_spi(BridgeJS) public static func bridgeJSStackPop() -> Double { bridgeJSLiftParameter(_swift_js_pop_f64()) } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerReturn() -> Float64 { Float64(self) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_f64(Float64(self)) } } extension String: _BridgedSwiftStackType { public typealias StackLiftResult = String // MARK: ImportTS @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 { return self.withUTF8 { b in _swift_js_make_js_string(b.baseAddress.unsafelyUnwrapped, Int32(b.count)) } } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ bytesCount: Int32) -> String { #if !arch(wasm32) guard #available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *) else { _onlyAvailableOnWasm() } #endif return String(unsafeUninitializedCapacity: Int(bytesCount)) { b in _swift_js_init_memory_with_result(b.baseAddress.unsafelyUnwrapped, Int32(bytesCount)) return Int(bytesCount) } } // MARK: ExportSwift @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ bytes: Int32, _ count: Int32) -> String { #if !arch(wasm32) guard #available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *) else { _onlyAvailableOnWasm() } #endif return String(unsafeUninitializedCapacity: Int(count)) { b in _swift_js_init_memory(bytes, b.baseAddress.unsafelyUnwrapped) return Int(count) } } @_spi(BridgeJS) public static func bridgeJSStackPop() -> String { let bytes = _swift_js_pop_i32() let count = _swift_js_pop_i32() return bridgeJSLiftParameter(bytes, count) } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void { return self.withUTF8 { ptr in _swift_js_return_string(ptr.baseAddress, Int32(ptr.count)) } } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { self.withUTF8 { ptr in _swift_js_push_string(ptr.baseAddress, Int32(ptr.count)) } } } extension JSObject: _BridgedSwiftStackType { // JSObject is a non-final class, so we must explicitly specify the associated type // rather than relying on the default `Self` (which Swift requires for covariant returns). public typealias StackLiftResult = JSObject // MARK: ImportTS @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Int32 { Int32(bitPattern: self.id) } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ id: Int32) -> JSObject { JSObject(id: JavaScriptObjectRef(bitPattern: id)) } // MARK: ExportSwift @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ id: Int32) -> JSObject { JSObject(id: JavaScriptObjectRef(bitPattern: id)) } @_spi(BridgeJS) public static func bridgeJSStackPop() -> JSObject { bridgeJSLiftParameter(_swift_js_pop_i32()) } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Int32 { return _swift_js_retain(Int32(bitPattern: self.id)) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(bridgeJSLowerReturn()) } } extension JSValue: _BridgedSwiftStackType { public typealias StackLiftResult = JSValue @_transparent private static func bridgeJSRetainPayloadIfNeeded(kind: Int32, payload1: Int32) -> Int32 { guard let kindEnum = JavaScriptValueKind(rawValue: UInt32(kind)) else { return payload1 } switch kindEnum { case .string, .object, .symbol, .bigInt: return _swift_js_retain(payload1) default: return payload1 } } @_spi(BridgeJS) public static func bridgeJSStackPop() -> JSValue { let payload2 = _swift_js_pop_f64() let payload1 = _swift_js_pop_i32() let kind = _swift_js_pop_i32() return bridgeJSLiftParameter(kind, payload1, payload2) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() -> Void { let lowered = bridgeJSLowerParameter() let retainedPayload1 = Self.bridgeJSRetainPayloadIfNeeded(kind: lowered.kind, payload1: lowered.payload1) _swift_js_push_i32(lowered.kind) _swift_js_push_i32(retainedPayload1) _swift_js_push_f64(lowered.payload2) } @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> (kind: Int32, payload1: Int32, payload2: Double) { return withRawJSValue { raw in ( kind: Int32(raw.kind.rawValue), payload1: Int32(bitPattern: raw.payload1), payload2: raw.payload2 ) } } @_spi(BridgeJS) public static func bridgeJSLiftParameter( _ kind: Int32, _ payload1: Int32, _ payload2: Double ) -> JSValue { let retainedPayload1 = bridgeJSRetainPayloadIfNeeded(kind: kind, payload1: payload1) guard let kindEnum = JavaScriptValueKind(rawValue: UInt32(kind)) else { fatalError("Invalid JSValue kind: \(kind)") } let rawValue = RawJSValue( kind: kindEnum, payload1: JavaScriptPayload1(UInt32(bitPattern: retainedPayload1)), payload2: payload2 ) return rawValue.jsValue } @_spi(BridgeJS) public static func bridgeJSLiftReturn() -> JSValue { bridgeJSStackPop() } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() { bridgeJSStackPush() } } /// A protocol that Swift heap objects exposed to JavaScript via `@JS class` must conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftHeapObject: AnyObject, _BridgedSwiftStackType {} /// Define the lowering/lifting for `_BridgedSwiftHeapObject` extension _BridgedSwiftHeapObject { // MARK: ImportTS @_spi(BridgeJS) @_transparent public func bridgeJSLowerParameter() -> UnsafeMutableRawPointer { // Transfer ownership to JS for imported SwiftHeapObject parameters. // JS side must eventually release (via release() or FinalizationRegistry). return Unmanaged.passRetained(self).toOpaque() } @_spi(BridgeJS) @_transparent public static func bridgeJSLiftReturn(_ pointer: UnsafeMutableRawPointer) -> Self { // For protocol returns, take an unretained value since JS manages the lifetime return Unmanaged<Self>.fromOpaque(pointer).takeUnretainedValue() } // MARK: ExportSwift @_spi(BridgeJS) @_transparent public static func bridgeJSLiftParameter(_ pointer: UnsafeMutableRawPointer) -> Self { Unmanaged<Self>.fromOpaque(pointer).takeUnretainedValue() } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerReturn() -> UnsafeMutableRawPointer { // Perform a manual retain on the object, which will be balanced by a release called via FinalizationRegistry return Unmanaged.passRetained(self).toOpaque() } @_spi(BridgeJS) public static func bridgeJSStackPop() -> Self { bridgeJSLiftParameter(_swift_js_pop_pointer()) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_pointer(Unmanaged.passRetained(self).toOpaque()) } } // MARK: Closure Box Protocol /// A protocol that Swift closure box types must conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. @_spi(BridgeJS) public protocol _BridgedSwiftClosureBox: AnyObject {} extension _JSBridgedClass { // MARK: ImportTS @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 { jsObject.bridgeJSLowerParameter() } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ id: Int32) -> Self { Self(unsafelyWrapping: JSObject.bridgeJSLiftReturn(id)) } // MARK: ExportSwift @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ id: Int32) -> Self { Self(unsafelyWrapping: JSObject.bridgeJSLiftParameter(id)) } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Int32 { jsObject.bridgeJSLowerReturn() } public static func bridgeJSStackPop() -> Self { Self(unsafelyWrapping: JSObject.bridgeJSStackPop()) } public consuming func bridgeJSStackPush() { jsObject.bridgeJSStackPush() } } /// A protocol that Swift protocol wrappers exposed from JavaScript must conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftProtocolWrapper: _BridgedSwiftStackType { var jsObject: JSObject { get } static func bridgeJSLiftParameter(_ value: Int32) -> Self } extension _BridgedSwiftProtocolWrapper { // MARK: ExportSwift @_spi(BridgeJS) public static func bridgeJSLiftParameter() -> Self { bridgeJSStackPop() } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Int32 { jsObject.bridgeJSLowerReturn() } @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 { jsObject.bridgeJSLowerParameter() } // MARK: Stack ABI @_spi(BridgeJS) public static func bridgeJSStackPop() -> Self { bridgeJSLiftParameter(_swift_js_pop_i32()) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(jsObject.bridgeJSLowerReturn()) } } /// A protocol that Swift enum types that do not have a payload can conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftEnumNoPayload {} /// A protocol for raw value enums that enables automatic stack operations. /// /// Conforming to this protocol provides default implementations of `_BridgedSwiftStackType` /// methods by delegating to the raw value's stack operations. The raw value type must itself /// conform to `_BridgedSwiftStackType`. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftRawValueEnum: _BridgedSwiftStackType, RawRepresentable where RawValue: _BridgedSwiftStackType, RawValue.StackLiftResult == RawValue {} extension _BridgedSwiftRawValueEnum { @_spi(BridgeJS) public static func bridgeJSStackPop() -> Self { Self(rawValue: RawValue.bridgeJSStackPop())! } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { rawValue.bridgeJSStackPush() } } /// A protocol that Swift case enum types (enums without raw values or associated values) conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftCaseEnum: _BridgedSwiftStackType { // MARK: ImportTS @_spi(BridgeJS) consuming func bridgeJSLowerParameter() -> Int32 @_spi(BridgeJS) static func bridgeJSLiftReturn(_ value: Int32) -> Self // MARK: ExportSwift @_spi(BridgeJS) static func bridgeJSLiftParameter(_ value: Int32) -> Self @_spi(BridgeJS) consuming func bridgeJSLowerReturn() -> Int32 } extension _BridgedSwiftCaseEnum { @_spi(BridgeJS) public static func bridgeJSStackPop() -> Self { bridgeJSLiftParameter(_swift_js_pop_i32()) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(bridgeJSLowerReturn()) } } /// A protocol that Swift associated value enum types conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftAssociatedValueEnum: _BridgedSwiftTypeLoweredIntoVoidType, _BridgedSwiftStackType { /// Pops the payload of the associated value enum from the stack. /// /// - Parameter caseId: The enum case ID. /// - Returns: The associated value enum with its payload popped from the stack. @_spi(BridgeJS) static func bridgeJSStackPopPayload(_ caseId: Int32) -> Self /// Pushes the payload of the associated value enum onto the stack. /// /// - Returns: The enum case ID. @_spi(BridgeJS) consuming func bridgeJSStackPushPayload() -> Int32 } extension _BridgedSwiftAssociatedValueEnum { @_spi(BridgeJS) public static func bridgeJSStackPop() -> Self { bridgeJSStackPopPayload(_swift_js_pop_i32()) } @_spi(BridgeJS) public consuming func bridgeJSStackPush() { _swift_js_push_i32(bridgeJSStackPushPayload()) } @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ caseId: Int32) -> Self { return bridgeJSStackPopPayload(caseId) } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() { bridgeJSStackPush() } @_spi(BridgeJS) @_transparent public consuming func bridgeJSLowerParameter() -> Int32 { return bridgeJSStackPushPayload() } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ caseId: Int32) -> Self { return bridgeJSStackPopPayload(caseId) } } /// A protocol that Swift struct types conform to. /// /// The conformance is automatically synthesized by the BridgeJS code generator. public protocol _BridgedSwiftStruct: _BridgedSwiftTypeLoweredIntoVoidType, _BridgedSwiftGenericOptionalStackType { // MARK: ExportSwift @_spi(BridgeJS) static func bridgeJSStackPop() -> Self @_spi(BridgeJS) consuming func bridgeJSStackPush() -> Void /// Initializes a Swift struct by copying the fields from a bridged JS object. init(unsafelyCopying jsObject: JSObject) /// Converts the struct into a bridged JS object by copying its fields. func toJSObject() -> JSObject } extension _BridgedSwiftStruct { @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 { return toJSObject().bridgeJSLowerReturn() } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ objectId: Int32) -> Self { let jsObject = JSObject.bridgeJSLiftReturn(objectId) return Self(unsafelyCopying: jsObject) } @_spi(BridgeJS) public static func bridgeJSLiftParameter() -> Self { bridgeJSStackPop() } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() { bridgeJSStackPush() } } extension _BridgedSwiftEnumNoPayload where Self: RawRepresentable, RawValue == String { // MARK: ImportTS @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> Int32 { rawValue.bridgeJSLowerParameter() } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ id: Int32) -> Self { Self(rawValue: .bridgeJSLiftReturn(id))! } // MARK: ExportSwift @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ bytes: Int32, _ count: Int32) -> Self { Self(rawValue: .bridgeJSLiftParameter(bytes, count))! } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> Void { rawValue.bridgeJSLowerReturn() } } extension _BridgedSwiftEnumNoPayload where Self: RawRepresentable, RawValue: _BridgedSwiftTypeLoweredIntoSingleWasmCoreType { // MARK: ImportTS @_spi(BridgeJS) public consuming func bridgeJSLowerParameter() -> RawValue.WasmCoreType { rawValue.bridgeJSLowerParameter() } @_spi(BridgeJS) public static func bridgeJSLiftReturn(_ value: RawValue.WasmCoreType) -> Self { Self(rawValue: .bridgeJSLiftReturn(value))! } // MARK: ExportSwift @_spi(BridgeJS) public static func bridgeJSLiftParameter(_ value: RawValue.WasmCoreType) -> Self { Self(rawValue: .bridgeJSLiftParameter(value))! } @_spi(BridgeJS) public consuming func bridgeJSLowerReturn() -> RawValue.WasmCoreType { rawValue.bridgeJSLowerReturn() } } // MARK: Wasm externs used by generated enum glue #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_init_memory") private func _swift_js_init_memory_extern(_ sourceId: Int32, _ ptr: UnsafeMutablePointer<UInt8>) #else private func _swift_js_init_memory_extern(_ sourceId: Int32, _ ptr: UnsafeMutablePointer<UInt8>) { _onlyAvailableOnWasm() } #endif /// Initializes WebAssembly memory with a Uint8Array referenced by `sourceId` at `ptr`. /// Note that the ownership of the source Uint8Array id is taken by the callee, so callers /// must not release the source Uint8Array id by themselves. /// /// - Parameter sourceId: The object ID of the source Uint8Array. /// - Parameter ptr: The pointer to the WebAssembly memory to initialize. @_spi(BridgeJS) @inline(never) public func _swift_js_init_memory(_ sourceId: Int32, _ ptr: UnsafeMutablePointer<UInt8>) { _swift_js_init_memory_extern(sourceId, ptr) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_push_string") private func _swift_js_push_string_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) #else private func _swift_js_push_string_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_push_string(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _swift_js_push_string_extern(ptr, len) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_push_i32") private func _swift_js_push_i32_extern(_ value: Int32) #else private func _swift_js_push_i32_extern(_ value: Int32) { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_push_i32(_ value: Int32) { _swift_js_push_i32_extern(value) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_push_f32") private func _swift_js_push_f32_extern(_ value: Float32) #else private func _swift_js_push_f32_extern(_ value: Float32) { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_push_f32(_ value: Float32) { _swift_js_push_f32_extern(value) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_push_f64") private func _swift_js_push_f64_extern(_ value: Float64) #else private func _swift_js_push_f64_extern(_ value: Float64) { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_push_f64(_ value: Float64) { _swift_js_push_f64_extern(value) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_pop_i32") private func _swift_js_pop_i32_extern() -> Int32 #else private func _swift_js_pop_i32_extern() -> Int32 { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_pop_i32() -> Int32 { _swift_js_pop_i32_extern() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_pop_f32") private func _swift_js_pop_f32_extern() -> Float32 #else private func _swift_js_pop_f32_extern() -> Float32 { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_pop_f32() -> Float32 { _swift_js_pop_f32_extern() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_pop_f64") private func _swift_js_pop_f64_extern() -> Float64 #else private func _swift_js_pop_f64_extern() -> Float64 { _onlyAvailableOnWasm() } #endif @_spi(BridgeJS) @inline(never) public func _swift_js_pop_f64() -> Float64 { _swift_js_pop_f64_extern() } // MARK: Wasm externs used by type lowering/lifting #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_make_js_string") private func _swift_js_make_js_string_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) -> Int32 #else /// Creates a JavaScript string from UTF-8 data in WebAssembly memory private func _swift_js_make_js_string_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) -> Int32 { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_make_js_string(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) -> Int32 { _swift_js_make_js_string_extern(ptr, len) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_init_memory_with_result") private func _swift_js_init_memory_with_result_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) #else /// Initializes WebAssembly memory with result data of JavaScript function call private func _swift_js_init_memory_with_result_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_init_memory_with_result(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _swift_js_init_memory_with_result_extern(ptr, len) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_return_string") private func _swift_js_return_string_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) #else /// Write a string to reserved string storage to be returned to JavaScript private func _swift_js_return_string_extern(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_return_string(_ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _swift_js_return_string_extern(ptr, len) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_retain") private func _swift_js_retain_extern(_ id: Int32) -> Int32 #else /// Retains a JavaScript object reference to ensure the object id /// remains valid after the function returns private func _swift_js_retain_extern(_ id: Int32) -> Int32 { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_retain(_ id: Int32) -> Int32 { _swift_js_retain_extern(id) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_return_optional_bool") private func _swift_js_return_optional_bool_extern(_ isSome: Int32, _ value: Int32) #else /// Sets the optional bool for return value storage private func _swift_js_return_optional_bool_extern(_ isSome: Int32, _ value: Int32) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_return_optional_bool(_ isSome: Int32, _ value: Int32) { _swift_js_return_optional_bool_extern(isSome, value) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_get_optional_int_presence") private func _swift_js_get_optional_int_presence_extern() -> Int32 #else private func _swift_js_get_optional_int_presence_extern() -> Int32 { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_get_optional_int_presence() -> Int32 { _swift_js_get_optional_int_presence_extern() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_get_optional_int_value") private func _swift_js_get_optional_int_value_extern() -> Int32 #else private func _swift_js_get_optional_int_value_extern() -> Int32 { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_get_optional_int_value() -> Int32 { _swift_js_get_optional_int_value_extern() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_return_optional_int") private func _swift_js_return_optional_int_extern(_ isSome: Int32, _ value: Int32) #else /// Sets the optional int for return value storage private func _swift_js_return_optional_int_extern(_ isSome: Int32, _ value: Int32) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_return_optional_int(_ isSome: Int32, _ value: Int32) { _swift_js_return_optional_int_extern(isSome, value) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_get_optional_string") private func _swift_js_get_optional_string_extern() -> Int32 #else private func _swift_js_get_optional_string_extern() -> Int32 { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_get_optional_string() -> Int32 { _swift_js_get_optional_string_extern() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_return_optional_string") private func _swift_js_return_optional_string_extern(_ isSome: Int32, _ ptr: UnsafePointer<UInt8>?, _ len: Int32) #else /// Write an optional string to reserved string storage to be returned to JavaScript private func _swift_js_return_optional_string_extern(_ isSome: Int32, _ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_return_optional_string(_ isSome: Int32, _ ptr: UnsafePointer<UInt8>?, _ len: Int32) { _swift_js_return_optional_string_extern(isSome, ptr, len) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_return_optional_object") private func _swift_js_return_optional_object_extern(_ isSome: Int32, _ objectId: Int32) #else /// Write an optional JSObject to reserved storage to be returned to JavaScript private func _swift_js_return_optional_object_extern(_ isSome: Int32, _ objectId: Int32) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_return_optional_object(_ isSome: Int32, _ objectId: Int32) { _swift_js_return_optional_object_extern(isSome, objectId) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_get_optional_heap_object_pointer") private func _swift_js_get_optional_heap_object_pointer_extern() -> UnsafeMutableRawPointer #else private func _swift_js_get_optional_heap_object_pointer_extern() -> UnsafeMutableRawPointer { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_get_optional_heap_object_pointer() -> UnsafeMutableRawPointer { _swift_js_get_optional_heap_object_pointer_extern() } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_return_optional_heap_object") private func _swift_js_return_optional_heap_object_extern(_ isSome: Int32, _ pointer: UnsafeMutableRawPointer?) #else /// Write an optional Swift heap object to reserved storage to be returned to JavaScript private func _swift_js_return_optional_heap_object_extern(_ isSome: Int32, _ pointer: UnsafeMutableRawPointer?) { _onlyAvailableOnWasm() } #endif @inline(never) func _swift_js_return_optional_heap_object(_ isSome: Int32, _ pointer: UnsafeMutableRawPointer?) { _swift_js_return_optional_heap_object_extern(isSome, pointer) } #if arch(wasm32) @_extern(wasm, module: "bjs", name: "swift_js_get_optional_float_presence") private func _swift_js_get_optional_float_presence_extern() -> Int32 #else private func _swift_js_get_optional_float_presence_extern() -> Int32 { _onlyAvailableOnWasm() } #endif |
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