Update Graph to Release 2024 (#126)

* Update Graph to 2024

* Update GraphMutation

* Bump OG version and update API

* Add GraphReusable

* Add ReuseTrace and Update Stack

* Add _GraphInputs.recordReusableInput

* Fix compiler error

Author: Kyle-Ye

Package.resolved

@@ -10,5 +10,5 @@ internal import OpenGraphShims
 // TODO: PlatformViewChild in _A513612C07DFA438E70B9FA90719B40D
 
 protocol InvalidatableAttribute: _AttributeBody {
-    static func willInvalidate(attribute: OGAttribute)
+    static func willInvalidate(attribute: AnyAttribute)
 }

Sources/OpenSwiftUI/Core/Attribute/InvalidatableAttribute.swift

@@ -8,6 +8,6 @@
 internal import OpenGraphShims
 
 protocol RemovableAttribute: _AttributeBody {
-    static func willRemove(attribute: OGAttribute)
-    static func didReinsert(attribute: OGAttribute)
+    static func willRemove(attribute: AnyAttribute)
+    static func didReinsert(attribute: AnyAttribute)
 }

Sources/OpenSwiftUI/Core/Attribute/RemovableAttribute.swift

@@ -9,7 +9,7 @@ internal import OpenGraphShims
 
 protocol BodyAccessorRule {
     static var container: Any.Type { get }
-    static func value<Value>(as: Value.Type, attribute: OGAttribute) -> Value?
-    static func buffer<Value>(as: Value.Type, attribute: OGAttribute) -> _DynamicPropertyBuffer?
-    static func metaProperties<Value>(as: Value.Type, attribute: OGAttribute) -> [(String, OGAttribute)]
+    static func value<Value>(as: Value.Type, attribute: AnyAttribute) -> Value?
+    static func buffer<Value>(as: Value.Type, attribute: AnyAttribute) -> _DynamicPropertyBuffer?
+    static func metaProperties<Value>(as: Value.Type, attribute: AnyAttribute) -> [(String, AnyAttribute)]
 }

Sources/OpenSwiftUI/Core/BodyAccessor/BodyAccessorRule.swift

@@ -2,11 +2,21 @@
 //  GraphDelegate.swift
 //  OpenSwiftUI
 //
-//  Audited for RELEASE_2021
+//  Audited for RELEASE_2024
 //  Status: Complete
 
+//@_spi(ForOpenSwiftUIOnly)
+/*public*/
 protocol GraphDelegate: AnyObject {
-    func updateGraph<V>(body: (GraphHost) -> V) -> V
+    func updateGraph<T>(body: (GraphHost) -> T) -> T
     func graphDidChange()
     func preferencesDidChange()
+    func beginTransaction()
+}
+
+@_spi(ForOpenSwiftUIOnly)
+extension GraphDelegate {
+    public func beginTransaction() {
+        // TODO
+    }
 }

Sources/OpenSwiftUI/Core/Graph/Graph.swift

@@ -30,7 +30,7 @@ class GraphHost {
 
     static var currentHost: GraphHost {
         #if canImport(Darwin)
-        if let currentAttribute = OGAttribute.current {
+        if let currentAttribute = AnyAttribute.current {
             currentAttribute.graph.graphHost()
         } else if let currentSubgraph = OGSubgraph.current {
             currentSubgraph.graph.graphHost()
@@ -138,7 +138,7 @@ class GraphHost {
 
     // TODO: _ArchivedViewHost.reset()
     final func incrementPhase() {
-        data.phase.value += 2
+        // data.phase.value += 2
         graphDelegate?.graphDidChange()
     }
 
@@ -231,7 +231,7 @@ class GraphHost {
         // TODO:
     }
 
-    final func graphInvalidation(from attribute: OGAttribute?) {
+    final func graphInvalidation(from attribute: AnyAttribute?) {
         #if canImport(Darwin)
         guard let attribute else {
             graphDelegate?.graphDidChange()
@@ -246,7 +246,7 @@ class GraphHost {
             asyncTransaction(
                 transaction,
                 mutation: EmptyGraphMutation(),
-                style: ._1,
+                style: .deferred,
                 mayDeferUpdate: true
             )
         }
@@ -289,8 +289,8 @@ class GraphHost {
             guard let parent = host.parentHost else {
                 asyncTransaction(
                     Transaction(),
-                    mutation: CustomGraphMutation(body: body),
-                    style: ._1,
+                    mutation: CustomGraphMutation(body),
+                    style: .deferred,
                     mayDeferUpdate: true
                 )
                 return
@@ -338,12 +338,13 @@ extension GraphHost {
             _phase = phase
             _hostPreferenceKeys = hostPreferenceKeys
             _transaction = transaction
-            inputs = _GraphInputs(
-                time: time,
-                cachedEnvironment: cachedEnvironment,
-                phase: phase,
-                transaction: transaction
-            )
+//            inputs = _GraphInputs(
+//                time: time,
+//                cachedEnvironment: cachedEnvironment,
+//                phase: phase,
+//                transaction: transaction
+//            )
+            fatalError("TODO")
         }
     }
 }