src: remove unnecessary Reset() calls

The previous commit made persistent handles auto-reset on destruction.
This commit removes the Reset() calls that are now no longer necessary.

Backport-PR-URL: #19185
PR-URL: #18656
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

Author: bnoordhuis

src/async_wrap.cc

@@ -426,8 +426,6 @@ void AsyncWrap::WeakCallback(const v8::WeakCallbackInfo<DestroyParam>& info) {
   if (val->IsFalse()) {
     AsyncWrap::EmitDestroy(env, p->asyncId);
   }
-  p->target.Reset();
-  p->propBag.Reset();
   delete p;
 }
 

src/base_object-inl.h

@@ -42,11 +42,6 @@ inline BaseObject::BaseObject(Environment* env, v8::Local<v8::Object> handle)
 }
 
 
-inline BaseObject::~BaseObject() {
-  CHECK(persistent_handle_.IsEmpty());
-}
-
-
 inline Persistent<v8::Object>& BaseObject::persistent() {
   return persistent_handle_;
 }
@@ -65,8 +60,7 @@ inline Environment* BaseObject::env() const {
 template <typename Type>
 inline void BaseObject::WeakCallback(
     const v8::WeakCallbackInfo<Type>& data) {
-  std::unique_ptr<Type> self(data.GetParameter());
-  self->persistent().Reset();
+  delete data.GetParameter();
 }
 
 

src/base_object.h

@@ -34,7 +34,7 @@ class Environment;
 class BaseObject {
  public:
   inline BaseObject(Environment* env, v8::Local<v8::Object> handle);
-  inline virtual ~BaseObject();
+  virtual ~BaseObject() = default;
 
   // Returns the wrapped object.  Returns an empty handle when
   // persistent.IsEmpty() is true.

src/cares_wrap.cc

@@ -598,7 +598,6 @@ class QueryWrap : public AsyncWrap {
   ~QueryWrap() override {
     CHECK_EQ(false, persistent().IsEmpty());
     ClearWrap(object());
-    persistent().Reset();
   }
 
   // Subclasses should implement the appropriate Send method.

src/env-inl.h

@@ -357,9 +357,6 @@ inline Environment::~Environment() {
 
   context()->SetAlignedPointerInEmbedderData(kContextEmbedderDataIndex,
                                              nullptr);
-#define V(PropertyName, TypeName) PropertyName ## _.Reset();
-  ENVIRONMENT_STRONG_PERSISTENT_PROPERTIES(V)
-#undef V
 
   delete[] heap_statistics_buffer_;
   delete[] heap_space_statistics_buffer_;

src/env.cc

@@ -300,8 +300,6 @@ void Environment::RunAndClearNativeImmediates() {
       v8::TryCatch try_catch(isolate());
       for (auto it = list.begin(); it != list.end(); ++it) {
         it->cb_(this, it->data_);
-        if (it->keep_alive_)
-          it->keep_alive_->Reset();
         if (it->refed_)
           ref_count++;
         if (UNLIKELY(try_catch.HasCaught())) {

src/handle_wrap.cc

@@ -98,11 +98,6 @@ HandleWrap::HandleWrap(Environment* env,
 }
 
 
-HandleWrap::~HandleWrap() {
-  CHECK(persistent().IsEmpty());
-}
-
-
 void HandleWrap::OnClose(uv_handle_t* handle) {
   HandleWrap* wrap = static_cast<HandleWrap*>(handle->data);
   Environment* env = wrap->env();
@@ -120,7 +115,6 @@ void HandleWrap::OnClose(uv_handle_t* handle) {
     wrap->MakeCallback(env->onclose_string(), 0, nullptr);
 
   ClearWrap(wrap->object());
-  wrap->persistent().Reset();
   delete wrap;
 }
 

src/handle_wrap.h

@@ -75,7 +75,6 @@ class HandleWrap : public AsyncWrap {
              v8::Local<v8::Object> object,
              uv_handle_t* handle,
              AsyncWrap::ProviderType provider);
-  ~HandleWrap() override;
 
  private:
   friend class Environment;

src/inspector_js_api.cc

@@ -84,10 +84,6 @@ class JSBindingsConnection : public AsyncWrap {
     inspector->Connect(&delegate_);
   }
 
-  ~JSBindingsConnection() override {
-    callback_.Reset();
-  }
-
   void OnMessage(Local<Value> value) {
     MakeCallback(callback_.Get(env()->isolate()), 1, &value);
   }
@@ -111,7 +107,6 @@ class JSBindingsConnection : public AsyncWrap {
     delegate_.Disconnect();
     if (!persistent().IsEmpty()) {
       ClearWrap(object());
-      persistent().Reset();
     }
     delete this;
   }

src/module_wrap.cc

@@ -59,9 +59,6 @@ ModuleWrap::~ModuleWrap() {
       break;
     }
   }
-
-  module_.Reset();
-  context_.Reset();
 }
 
 void ModuleWrap::New(const FunctionCallbackInfo<Value>& args) {
@@ -215,8 +212,6 @@ void ModuleWrap::Instantiate(const FunctionCallbackInfo<Value>& args) {
       module->InstantiateModule(context, ModuleWrap::ResolveCallback);
 
   // clear resolve cache on instantiate
-  for (auto& entry : obj->resolve_cache_)
-    entry.second.Reset();
   obj->resolve_cache_.clear();
 
   if (!ok.FromMaybe(false)) {