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node_modules/nan/nan_object_wrap.h

@@ -1,156 +0,0 @@
-/*********************************************************************
- * NAN - Native Abstractions for Node.js
- *
- * Copyright (c) 2018 NAN contributors
- *
- * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
- ********************************************************************/
-
-#ifndef NAN_OBJECT_WRAP_H_
-#define NAN_OBJECT_WRAP_H_
-
-class ObjectWrap {
- public:
-  ObjectWrap() {
-    refs_ = 0;
-  }
-
-
-  virtual ~ObjectWrap() {
-    if (persistent().IsEmpty()) {
-      return;
-    }
-
-    persistent().ClearWeak();
-    persistent().Reset();
-  }
-
-
-  template <class T>
-  static inline T* Unwrap(v8::Local<v8::Object> object) {
-    assert(!object.IsEmpty());
-    assert(object->InternalFieldCount() > 0);
-    // Cast to ObjectWrap before casting to T.  A direct cast from void
-    // to T won't work right when T has more than one base class.
-    void* ptr = GetInternalFieldPointer(object, 0);
-    ObjectWrap* wrap = static_cast<ObjectWrap*>(ptr);
-    return static_cast<T*>(wrap);
-  }
-
-
-  inline v8::Local<v8::Object> handle() const {
-    return New(handle_);
-  }
-
-
-  inline Persistent<v8::Object>& persistent() {
-    return handle_;
-  }
-
-
- protected:
-  inline void Wrap(v8::Local<v8::Object> object) {
-    assert(persistent().IsEmpty());
-    assert(object->InternalFieldCount() > 0);
-    SetInternalFieldPointer(object, 0, this);
-    persistent().Reset(object);
-    MakeWeak();
-  }
-
-#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
-  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
-
-  inline void MakeWeak() {
-    persistent().v8::PersistentBase<v8::Object>::SetWeak(
-        this, WeakCallback, v8::WeakCallbackType::kParameter);
-#if NODE_MAJOR_VERSION < 10
-    // FIXME(bnoordhuis) Probably superfluous in older Node.js versions too.
-    persistent().MarkIndependent();
-#endif
-  }
-
-#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
-
-  inline void MakeWeak() {
-    persistent().v8::PersistentBase<v8::Object>::SetWeak(this, WeakCallback);
-    persistent().MarkIndependent();
-  }
-
-#else
-
-  inline void MakeWeak() {
-    persistent().persistent.MakeWeak(this, WeakCallback);
-    persistent().MarkIndependent();
-  }
-
-#endif
-
-  /* Ref() marks the object as being attached to an event loop.
-   * Refed objects will not be garbage collected, even if
-   * all references are lost.
-   */
-  virtual void Ref() {
-    assert(!persistent().IsEmpty());
-    persistent().ClearWeak();
-    refs_++;
-  }
-
-  /* Unref() marks an object as detached from the event loop.  This is its
-   * default state.  When an object with a "weak" reference changes from
-   * attached to detached state it will be freed. Be careful not to access
-   * the object after making this call as it might be gone!
-   * (A "weak reference" means an object that only has a
-   * persistant handle.)
-   *
-   * DO NOT CALL THIS FROM DESTRUCTOR
-   */
-  virtual void Unref() {
-    assert(!persistent().IsEmpty());
-    assert(!persistent().IsWeak());
-    assert(refs_ > 0);
-    if (--refs_ == 0)
-      MakeWeak();
-  }
-
-  int refs_;  // ro
-
- private:
-  NAN_DISALLOW_ASSIGN_COPY_MOVE(ObjectWrap)
-#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
-  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
-
-  static void
-  WeakCallback(v8::WeakCallbackInfo<ObjectWrap> const& info) {
-    ObjectWrap* wrap = info.GetParameter();
-    assert(wrap->refs_ == 0);
-    wrap->handle_.Reset();
-    delete wrap;
-  }
-
-#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
-
-  static void
-  WeakCallback(v8::WeakCallbackData<v8::Object, ObjectWrap> const& data) {
-    ObjectWrap* wrap = data.GetParameter();
-    assert(wrap->refs_ == 0);
-    assert(wrap->handle_.IsNearDeath());
-    wrap->handle_.Reset();
-    delete wrap;
-  }
-
-#else
-
-  static void WeakCallback(v8::Persistent<v8::Value> value, void *data) {
-    ObjectWrap *wrap = static_cast<ObjectWrap*>(data);
-    assert(wrap->refs_ == 0);
-    assert(wrap->handle_.IsNearDeath());
-    wrap->handle_.Reset();
-    delete wrap;
-  }
-
-#endif
-  Persistent<v8::Object> handle_;
-};
-
-
-#endif  // NAN_OBJECT_WRAP_H_