Add OAGGraphInternAttributeType

Author: jcmosc

Sources/OpenAttributeGraph/Attribute/Attribute/Attribute.swift

@@ -114,11 +114,12 @@ public struct Attribute<Value> {
         }
         let index = Graph.typeIndex(
             ctx: context,
-            body: Body.self,
-            valueType: Metadata(Value.self),
-            flags: flags,
-            update: update
-        )
+            body: Metadata(Body.self)
+        ) {
+            let pointer = UnsafeMutablePointer<_AttributeType>.allocate(capacity: 1)
+            // TODO
+            return UnsafePointer(pointer)
+        }
         identifier = OAGGraphCreateAttribute(index: index, body: body, value: value)
         #endif
     }

Sources/OpenAttributeGraph/Graph/Graph.swift

@@ -8,16 +8,12 @@
 public import OpenAttributeGraphCxx
 
 extension Graph {
+    @_silgen_name("OAGGraphInternAttributeType")
     public static func typeIndex(
         ctx: UnownedGraphContext,
-        body: _AttributeBody.Type,
-        valueType: Metadata,
-        flags: _AttributeType.Flags,
-        update: AttributeUpdateBlock
-    ) -> Int {
-        // TODO: __AGGraphInternAttributeType
-        0
-    }
+        body: Metadata,
+        makeAttributeType: () -> UnsafePointer<_AttributeType>
+    ) -> Int
 }
 
 @_silgen_name("OAGGraphSetInvalidationCallback")

Sources/OpenAttributeGraphCxx/Graph/OAGGraph.cpp

@@ -125,6 +125,13 @@ void OAGGraphInvalidate(OAGGraphRef graph) {
     graph->context.setInvalid(true);
 }
 
+uint32_t OAGGraphInternAttributeType(OAGUnownedGraphContextRef graph, OAGTypeID type,
+                                    const OAGAttributeType *(*make_attribute_type)(const void *context OAG_SWIFT_CONTEXT) OAG_SWIFT_CC(swift),
+                                    const void *context) {
+    // TODO
+    return 0;
+}
+
 void OAGGraphInvalidateAllValues(OAGGraphRef graph) {
     if (graph->context.isInvalid()) {
         OAG::precondition_failure("invalidated graph");

Sources/OpenAttributeGraphCxx/include/OpenAttributeGraph/OAGGraph.h

@@ -7,6 +7,7 @@
 
 #include <OpenAttributeGraph/OAGBase.h>
 #include <OpenAttributeGraph/Private/CFRuntime.h>
+#include <OpenAttributeGraph/OAGAttributeType.h>
 #include <OpenAttributeGraph/OAGGraphCounterQueryType.h>
 
 // Note: Place all structure declaration in a single place to avoid header cycle dependency
@@ -69,6 +70,12 @@ OAG_EXPORT
 OAG_REFINED_FOR_SWIFT
 void OAGGraphInvalidate(OAGGraphRef graph) OAG_SWIFT_NAME(OAGGraphRef.invalidate(self:));
 
+OAG_EXPORT
+OAG_REFINED_FOR_SWIFT
+uint32_t OAGGraphInternAttributeType(OAGUnownedGraphContextRef graph, OAGTypeID type,
+                                    const OAGAttributeType * _Nonnull (* _Nonnull make_attribute_type)(const void * _Nullable context OAG_SWIFT_CONTEXT) OAG_SWIFT_CC(swift),
+                                    const void * _Nullable context);
+
 OAG_EXPORT
 OAG_REFINED_FOR_SWIFT
 void OAGGraphInvalidateAllValues(OAGGraphRef graph) OAG_SWIFT_NAME(OAGGraphRef.invalidateAllValues(self:));