From d93e64039ef355e59c65f6208f63e324cdeecf30 Mon Sep 17 00:00:00 2001
From: Irina Yatsenko <irinayat@microsoft.com>
Date: Fri, 20 Jul 2018 08:28:26 -0700
Subject: [PATCH] Added EmbedderGraph stubs to chakrashim

---
 deps/chakrashim/include/v8-profiler.h | 32 +++++++++++++++++++++++++++
 deps/chakrashim/include/v8.h          |  3 ++-
 deps/chakrashim/src/v8name.cc         |  4 ++++
 deps/chakrashim/src/v8object.cc       |  4 ++++
 deps/chakrashim/src/v8value.cc        |  5 +++++
 5 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/deps/chakrashim/include/v8-profiler.h b/deps/chakrashim/include/v8-profiler.h
index f703733172e..cb885c549b6 100644
--- a/deps/chakrashim/include/v8-profiler.h
+++ b/deps/chakrashim/include/v8-profiler.h
@@ -80,6 +80,32 @@ class V8_EXPORT ActivityControl {  // NOLINT
   virtual ControlOption ReportProgressValue(int done, int total) = 0;
 };
 
+// NOT IMPLEMENTED
+class V8_EXPORT EmbedderGraph {
+ public:
+  class Node {
+   public:
+    Node() = default;
+    virtual ~Node() = default;
+    virtual const char* Name()  { return nullptr; };
+    virtual size_t SizeInBytes() { return 0; }
+    virtual Node* WrapperNode() { return nullptr; }
+    virtual bool IsRootNode() { return false; }
+    virtual bool IsEmbedderNode() { return true; }
+    virtual const char* NamePrefix() { return nullptr; }
+
+   private:
+    Node(const Node&) = delete;
+    Node& operator=(const Node&) = delete;
+  };
+
+  virtual Node* V8Node(const v8::Local<v8::Value>& value) { return nullptr; }
+  virtual Node* AddNode(std::unique_ptr<Node> node) { return nullptr; }
+  virtual void AddEdge(Node* from, Node* to) {};
+
+  virtual ~EmbedderGraph() = default;
+};
+
 // NOT IMPLEMENTED
 class V8_EXPORT HeapProfiler {
  public:
@@ -103,6 +129,12 @@ class V8_EXPORT HeapProfiler {
   void SetWrapperClassInfoProvider(
     uint16_t class_id, WrapperInfoCallback callback) {}
   void StartTrackingHeapObjects(bool track_allocations = false) {}
+
+  typedef void (*BuildEmbedderGraphCallback)(v8::Isolate* isolate,
+                                             v8::EmbedderGraph* graph,
+                                             void* data);
+  void AddBuildEmbedderGraphCallback(BuildEmbedderGraphCallback callback, void* data) {}
+  void RemoveBuildEmbedderGraphCallback(BuildEmbedderGraphCallback callback, void* data) {}
 };
 
 // NOT IMPLEMENTED
diff --git a/deps/chakrashim/include/v8.h b/deps/chakrashim/include/v8.h
index d9376063100..d99564d2b97 100644
--- a/deps/chakrashim/include/v8.h
+++ b/deps/chakrashim/include/v8.h
@@ -1192,7 +1192,7 @@ class V8_EXPORT Value : public Data {
                                            Handle<Value> that) const;
 
   bool StrictEquals(Handle<Value> that) const;
-
+  bool SameValue(Local<Value> that) const;
   template <class T> static Value* Cast(T* value) {
     return static_cast<Value*>(value);
   }
@@ -1600,6 +1600,7 @@ class V8_EXPORT Object : public Value {
   Maybe<bool> DeletePrivate(Local<Context> context, Local<Private> key);
   MaybeLocal<Value> GetPrivate(Local<Context> context, Local<Private> key);
 
+  int GetIdentityHash();
   Local<Object> Clone();
   Local<Context> CreationContext();
 
diff --git a/deps/chakrashim/src/v8name.cc b/deps/chakrashim/src/v8name.cc
index e204f6bc268..1c876f2b9d1 100644
--- a/deps/chakrashim/src/v8name.cc
+++ b/deps/chakrashim/src/v8name.cc
@@ -22,6 +22,10 @@
 
 namespace v8 {
 
+int Name::GetIdentityHash() {
+  return 0;
+}
+
 Name* Name::Cast(v8::Value* obj) {
   CHAKRA_ASSERT(obj->IsName());
   return static_cast<Name*>(obj);
diff --git a/deps/chakrashim/src/v8object.cc b/deps/chakrashim/src/v8object.cc
index 759098ae519..41924ffb066 100644
--- a/deps/chakrashim/src/v8object.cc
+++ b/deps/chakrashim/src/v8object.cc
@@ -769,6 +769,10 @@ void Object::SetAlignedPointerInInternalField(int index, void* value) {
   }
 }
 
+int Object::GetIdentityHash() {
+  return 0;
+}
+
 Local<Object> Object::Clone() {
   JsValueRef constructor;
   if (jsrt::GetObjectConstructor((JsValueRef)this,
diff --git a/deps/chakrashim/src/v8value.cc b/deps/chakrashim/src/v8value.cc
index 43e8154863c..f6a52300715 100644
--- a/deps/chakrashim/src/v8value.cc
+++ b/deps/chakrashim/src/v8value.cc
@@ -411,4 +411,9 @@ bool Value::StrictEquals(Handle<Value> that) const {
   return strictEquals;
 }
 
+bool Value::SameValue(Local<Value> that) const {
+  CHAKRA_UNIMPLEMENTED();
+  return false;
+}
+
 }  // namespace v8