iOS: move source

doric-iOS/Pod/Yoga/yoga/instrumentation.h

@@ -0,0 +1,63 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+#include "YGConfig.h"
+#include "YGMarker.h"
+#include "YGNode.h"
+
+namespace facebook {
+namespace yoga {
+namespace marker {
+
+template <YGMarker MarkerType>
+class MarkerSection {
+private:
+  using Data = detail::MarkerData<MarkerType>;
+
+public:
+  MarkerSection(YGNodeRef node) : MarkerSection{node, node->getConfig()} {}
+  ~MarkerSection() {
+    if (endMarker_) {
+      endMarker_(MarkerType, node_, markerData(&data), userData_);
+    }
+  }
+
+  typename Data::type data = {};
+
+  template <typename Ret, typename... Args>
+  static Ret wrap(
+      YGNodeRef node,
+      Ret (YGNode::*method)(Args...),
+      Args... args) {
+    MarkerSection<MarkerType> section{node};
+    return (node->*method)(std::forward<Args>(args)...);
+  }
+
+private:
+  decltype(YGMarkerCallbacks{}.endMarker) endMarker_;
+  YGNodeRef node_;
+  void* userData_;
+
+  MarkerSection(YGNodeRef node, YGConfigRef config)
+      : MarkerSection{node, config ? &config->markerCallbacks : nullptr} {}
+  MarkerSection(YGNodeRef node, YGMarkerCallbacks* callbacks)
+      : endMarker_{callbacks ? callbacks->endMarker : nullptr},
+        node_{node},
+        userData_{
+            callbacks && callbacks->startMarker
+                ? callbacks->startMarker(MarkerType, node, markerData(&data))
+                : nullptr} {}
+
+  static YGMarkerData markerData(typename Data::type* d) {
+    YGMarkerData markerData = {};
+    Data::get(markerData) = d;
+    return markerData;
+  }
+};
+
+} // namespace marker
+} // namespace yoga
+} // namespace facebook