FM / node

/snap/node/11782/include/node

Name	Size	Mode	Actions
cppgc/	-	0755	rm
libplatform/	-	0755	rm
openssl/	-	0755	rm
uv/	-	0755	rm
common.gypi	26973	0644	edit dl rm
config.gypi	18657	0644	edit dl rm
js_native_api.h	31770	0644	edit dl rm
js_native_api_types.h	7603	0644	edit dl rm
node.h	69595	0644	edit dl rm
node_api.h	10370	0644	edit dl rm
node_api_types.h	1825	0644	edit dl rm
node_buffer.h	3684	0644	edit dl rm
node_object_wrap.h	3867	0644	edit dl rm
node_version.h	4243	0644	edit dl rm
uv.h	72810	0644	edit dl rm
v8-array-buffer.h	18316	0644	edit dl rm
v8-callbacks.h	16993	0644	edit dl rm
v8-container.h	5959	0644	edit dl rm
v8-context.h	18184	0644	edit dl rm
v8-cppgc.h	7641	0644	edit dl rm
v8-data.h	1623	0644	edit dl rm
v8-date.h	1218	0644	edit dl rm
v8-debug.h	5161	0644	edit dl rm
v8-embedder-heap.h	2775	0644	edit dl rm
v8-embedder-state-scope.h	1493	0644	edit dl rm
v8-exception.h	7589	0644	edit dl rm
v8-extension.h	1870	0644	edit dl rm
v8-external.h	924	0644	edit dl rm
v8-forward.h	1688	0644	edit dl rm
v8-function-callback.h	19648	0644	edit dl rm
v8-function.h	4530	0644	edit dl rm
v8-handle-base.h	4404	0644	edit dl rm
v8-initialization.h	10478	0644	edit dl rm
v8-internal.h	58594	0644	edit dl rm
v8-isolate.h	64906	0644	edit dl rm
v8-json.h	1356	0644	edit dl rm
v8-local-handle.h	24162	0644	edit dl rm
v8-locker.h	3956	0644	edit dl rm
v8-maybe.h	4574	0644	edit dl rm
v8-memory-span.h	6421	0644	edit dl rm
v8-message.h	7418	0644	edit dl rm
v8-microtask-queue.h	5069	0644	edit dl rm
v8-microtask.h	861	0644	edit dl rm
v8-object.h	30261	0644	edit dl rm
v8-persistent-handle.h	18239	0644	edit dl rm
v8-platform.h	49052	0644	edit dl rm
v8-primitive-object.h	2591	0644	edit dl rm
v8-primitive.h	28358	0644	edit dl rm
v8-profiler.h	42101	0644	edit dl rm
v8-promise.h	5294	0644	edit dl rm
v8-proxy.h	1255	0644	edit dl rm
v8-regexp.h	3171	0644	edit dl rm
v8-script.h	31327	0644	edit dl rm
v8-snapshot.h	10389	0644	edit dl rm
v8-source-location.h	2597	0644	edit dl rm
v8-statistics.h	7627	0644	edit dl rm
v8-template.h	51569	0644	edit dl rm
v8-traced-handle.h	12700	0644	edit dl rm
v8-typed-array.h	11571	0644	edit dl rm
v8-unwinder.h	4751	0644	edit dl rm
v8-value-serializer.h	10815	0644	edit dl rm
v8-value.h	17107	0644	edit dl rm
v8-version.h	773	0644	edit dl rm
v8-wasm.h	6148	0644	edit dl rm
v8-weak-callback-info.h	2471	0644	edit dl rm
v8.h	3775	0644	edit dl rm
v8config.h	33641	0644	edit dl rm
zconf.h	16995	0644	edit dl rm
zlib.h	97454	0644	edit dl rm

Edit: /snap/node/11782/include/node/node_object_wrap.h (3867B)

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_NODE_OBJECT_WRAP_H_
#define SRC_NODE_OBJECT_WRAP_H_

#include "v8.h"
#include <cassert>

namespace node {

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> handle) {
    assert(!handle.IsEmpty());
    assert(handle->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 = handle->GetAlignedPointerFromInternalField(0);
    ObjectWrap* wrap = static_cast<ObjectWrap*>(ptr);
    return static_cast<T*>(wrap);
  }

inline v8::Local<v8::Object> handle() {
    return handle(v8::Isolate::GetCurrent());
  }

inline v8::Local<v8::Object> handle(v8::Isolate* isolate) {
    return v8::Local<v8::Object>::New(isolate, persistent());
  }

// NOLINTNEXTLINE(runtime/v8_persistent)
  inline v8::Persistent<v8::Object>& persistent() {
    return handle_;
  }

protected:
  inline void Wrap(v8::Local<v8::Object> handle) {
    assert(persistent().IsEmpty());
    assert(handle->InternalFieldCount() > 0);
    handle->SetAlignedPointerInInternalField(0, this);
    persistent().Reset(v8::Isolate::GetCurrent(), handle);
    MakeWeak();
  }

inline void MakeWeak() {
    persistent().SetWeak(this, WeakCallback, v8::WeakCallbackType::kParameter);
  }

/* 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
   * persistent 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:
  static void WeakCallback(
      const v8::WeakCallbackInfo<ObjectWrap>& data) {
    ObjectWrap* wrap = data.GetParameter();
    assert(wrap->refs_ == 0);
    wrap->handle_.Reset();
    delete wrap;
  }

// NOLINTNEXTLINE(runtime/v8_persistent)
  v8::Persistent<v8::Object> handle_;
};

}  // namespace node

#endif  // SRC_NODE_OBJECT_WRAP_H_

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