Add basic path support

Package.swift

@@ -25,7 +25,17 @@ let systemFrameworkSearchFlag = isXcodeEnv ? "-iframework" : "-Fsystem"
 
 let releaseVersion = Context.environment["OPENSWIFTUI_TARGET_RELEASE"].flatMap { Int($0) } ?? 2021
 let platforms: [SupportedPlatform] = switch releaseVersion {
-case 2023:
+case 2024:
+    #if swift(>=6.0)
+    [
+        .iOS(.v18),
+        .macOS(.v15),
+        .macCatalyst(.v18),
+        .tvOS(.v18),
+        .watchOS(.v10),
+        .visionOS(.v2),
+    ]
+    #else // FIXME: Remove when we bump to Swift 6.0
     [
         .iOS(.v17),
         .macOS(.v14),
@@ -34,14 +44,7 @@ case 2023:
         .watchOS(.v9),
         .visionOS(.v1),
     ]
-case 2022:
-    [
-        .iOS(.v16),
-        .macOS(.v13),
-        .macCatalyst(.v16),
-        .tvOS(.v16),
-        .watchOS(.v8),
-    ]
+    #endif
 case 2021:
     [
         .iOS(.v15),
@@ -67,18 +70,10 @@ var sharedSwiftSettings: [SwiftSetting] = [
     .define("OPENSWIFTUI_RELEASE_\(releaseVersion)"),
 ]
 
-switch releaseVersion {
-    case 2023:
-        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_2023_API"))
-        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_2022_API"))
-        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_2021_API"))
-    case 2022:
-        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_2022_API"))
-        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_2021_API"))
-    case 2021:
-        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_2021_API"))
-    default:
-        break
+if releaseVersion >= 2021 {
+    for year in 2021 ... releaseVersion {
+        sharedSwiftSettings.append(.define("OPENSWIFTUI_SUPPORT_\(year)_API"))
+    }
 }
 
 let warningsAsErrorsCondition = envEnable("OPENSWIFTUI_WERROR", default: isXcodeEnv && development)

Sources/COpenSwiftUI/Overlay/CoreGraphics/__CGPathParseString.m

@@ -0,0 +1,12 @@
+//
+//  __CGPathParseString.m
+//  COpenSwiftUI
+
+#include "__CGPathParseString.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+BOOL __CGPathParseString(CGMutablePathRef path, const char *utf8CString) {
+    // TODO
+    return NO;
+}
+#endif

Sources/COpenSwiftUI/dyld_Private.c

@@ -1,8 +1,6 @@
 //
 //  dyld_Private.c
-//  
-//
-//
+//  COpenSwiftUI
 
 #include "dyld_Private.h"
 

Sources/COpenSwiftUI/include/__CGPathParseString.h

@@ -0,0 +1,24 @@
+//
+//  __CGPathParseString.m
+//  COpenSwiftUI
+
+#ifndef __CGPathParseString_h
+#define __CGPathParseString_h
+
+#include "OpenSwiftUIBase.h"
+
+#if OPENSWIFTUI_TARGET_OS_DARWIN
+
+#include <Foundation/Foundation.h>
+#include <CoreGraphics/CoreGraphics.h>
+
+OPENSWIFTUI_ASSUME_NONNULL_BEGIN
+
+OPENSWIFTUI_EXPORT
+BOOL __CGPathParseString(CGMutablePathRef path, const char *utf8CString);
+
+OPENSWIFTUI_ASSUME_NONNULL_END
+
+#endif
+
+#endif /* __CGPathParseString_h */

Sources/OpenSwiftUI/Core/Data/UnsafeAtomicLazy.swift

@@ -0,0 +1,19 @@
+//
+//  UnsafeAtomicLazy.swift
+//  OpenSwiftUI
+//
+//  Audited for RELEASE_2021
+//  Status: WIP
+
+struct UnsafeAtomicLazy<Data>: Destroyable {
+    @UnsafeLockedPointer
+    var cache: Data?
+
+    func read(_ block: () -> Data) -> Data {
+        fatalError("TODO") // StrokedPath.boundingRect
+    }
+
+    func destroy() {
+        _cache.destroy()
+    }
+}

Sources/OpenSwiftUI/View/Shape/Path/FixedRoundedRect.swift

@@ -0,0 +1,31 @@
+//  FixedRoundedRect.swift
+//  OpenSwiftUI
+//
+//  Audited for RELEASE_2021
+//  Status: WIP
+
+import Foundation
+
+@usableFromInline
+struct FixedRoundedRect: Equatable {
+    var rect: CGRect
+    var cornerSize: CGSize
+    var style: RoundedCornerStyle
+
+    func contains(_ roundedRect: FixedRoundedRect) -> Bool {
+        guard rect.insetBy(dx: -0.001, dy: -0.001).contains(roundedRect.rect) else {
+            return false
+        }
+        guard !(cornerSize.width <= roundedRect.cornerSize.width && cornerSize.height <= roundedRect.cornerSize.height) else {
+            return true
+        }
+        let minCornerWidth = min(abs(rect.size.width) / 2, cornerSize.width)
+        let minCornerHeight = min(abs(rect.size.height) / 2, cornerSize.height)
+        let factor = 0.292893 // 1 - cos(45 * Double.pi / 180)
+        return rect.insetBy(dx: minCornerWidth * factor, dy: minCornerHeight * factor).contains(roundedRect.rect)
+    }
+
+    func distance(to point: CGPoint) -> CGFloat {
+        fatalError("TODO")
+    }
+}