FM / node

/snap/node/11691/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/11691/include/node/v8-weak-callback-info.h (2471B)

// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef INCLUDE_V8_WEAK_CALLBACK_INFO_H_
#define INCLUDE_V8_WEAK_CALLBACK_INFO_H_

#include "v8config.h"  // NOLINT(build/include_directory)

namespace v8 {

class Isolate;

namespace api_internal {
V8_EXPORT void InternalFieldOutOfBounds(int index);
}  // namespace api_internal

static const int kInternalFieldsInWeakCallback = 2;
static const int kEmbedderFieldsInWeakCallback = 2;

template <typename T>
class WeakCallbackInfo {
 public:
  using Callback = void (*)(const WeakCallbackInfo<T>& data);

WeakCallbackInfo(Isolate* isolate, T* parameter,
                   void* embedder_fields[kEmbedderFieldsInWeakCallback],
                   Callback* callback)
      : isolate_(isolate), parameter_(parameter), callback_(callback) {
    for (int i = 0; i < kEmbedderFieldsInWeakCallback; ++i) {
      embedder_fields_[i] = embedder_fields[i];
    }
  }

V8_INLINE Isolate* GetIsolate() const { return isolate_; }
  V8_INLINE T* GetParameter() const { return parameter_; }
  V8_INLINE void* GetInternalField(int index) const;

// When first called, the embedder MUST Reset() the Global which triggered the
  // callback. The Global itself is unusable for anything else. No v8 other api
  // calls may be called in the first callback. Should additional work be
  // required, the embedder must set a second pass callback, which will be
  // called after all the initial callbacks are processed.
  // Calling SetSecondPassCallback on the second pass will immediately crash.
  void SetSecondPassCallback(Callback callback) const { *callback_ = callback; }

private:
  Isolate* isolate_;
  T* parameter_;
  Callback* callback_;
  void* embedder_fields_[kEmbedderFieldsInWeakCallback];
};

/**
 * Weakness type for weak handles.
 */
enum class WeakCallbackType {
  /**
   * Passes a user-defined void* parameter back to the callback.
   */
  kParameter,
  /**
   * Passes the first two internal fields of the object back to the callback.
   */
  kInternalFields,
};

template <class T>
void* WeakCallbackInfo<T>::GetInternalField(int index) const {
#ifdef V8_ENABLE_CHECKS
  if (index < 0 || index >= kEmbedderFieldsInWeakCallback) {
    api_internal::InternalFieldOutOfBounds(index);
  }
#endif
  return embedder_fields_[index];
}

}  // namespace v8

#endif  // INCLUDE_V8_WEAK_CALLBACK_INFO_H_

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