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Name	Size	Permission	Date
cppgc	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
libplatform	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
openssl	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
uv	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
common.gypi	23.29 KB	-rw-r--r--	2024-04-10 12:29
config.gypi	26.77 KB	-rw-r--r--	2024-04-10 12:29
js_native_api.h	31.57 KB	-rw-r--r--	2024-04-10 12:29
js_native_api_types.h	6.6 KB	-rw-r--r--	2024-02-13 21:51
node.h	65.87 KB	-rw-r--r--	2024-04-10 12:29
node_api.h	10.08 KB	-rw-r--r--	2024-04-10 09:40
node_api_types.h	1.57 KB	-rw-r--r--	2022-11-20 10:00
node_buffer.h	3.6 KB	-rw-r--r--	2024-04-10 09:40
node_object_wrap.h	3.78 KB	-rw-r--r--	2022-10-11 10:59
node_version.h	4.14 KB	-rw-r--r--	2024-04-10 12:29
uv.h	68.86 KB	-rw-r--r--	2024-04-10 12:29
v8-array-buffer.h	17.45 KB	-rw-r--r--	2024-04-10 12:29
v8-callbacks.h	16.95 KB	-rw-r--r--	2024-04-10 12:29
v8-container.h	3.4 KB	-rw-r--r--	2024-04-10 09:40
v8-context.h	16.01 KB	-rw-r--r--	2024-04-10 12:29
v8-cppgc.h	7.46 KB	-rw-r--r--	2024-04-10 12:29
v8-data.h	1.58 KB	-rw-r--r--	2024-04-10 12:29
v8-date.h	1.19 KB	-rw-r--r--	2024-04-10 12:29
v8-debug.h	5.04 KB	-rw-r--r--	2022-10-11 10:59
v8-embedder-heap.h	2.32 KB	-rw-r--r--	2024-04-10 12:29
v8-embedder-state-scope.h	1.51 KB	-rw-r--r--	2024-04-10 09:40
v8-exception.h	6.98 KB	-rw-r--r--	2024-04-10 12:29
v8-extension.h	1.83 KB	-rw-r--r--	2022-10-11 10:59
v8-external.h	924 B	-rw-r--r--	2022-10-11 10:59
v8-forward.h	1.62 KB	-rw-r--r--	2024-04-09 15:17
v8-function-callback.h	15.44 KB	-rw-r--r--	2024-04-10 12:29
v8-function.h	4.42 KB	-rw-r--r--	2024-04-10 12:29
v8-handle-base.h	5.72 KB	-rw-r--r--	2024-04-10 12:29
v8-initialization.h	10.23 KB	-rw-r--r--	2024-04-10 12:29
v8-internal.h	42.14 KB	-rw-r--r--	2024-04-10 12:29
v8-isolate.h	62.44 KB	-rw-r--r--	2024-04-10 12:29
v8-json.h	1.32 KB	-rw-r--r--	2022-10-11 10:59
v8-local-handle.h	15.86 KB	-rw-r--r--	2024-04-10 12:29
v8-locker.h	3.86 KB	-rw-r--r--	2024-04-10 12:29
v8-maybe.h	4.47 KB	-rw-r--r--	2024-04-10 12:29
v8-memory-span.h	1.25 KB	-rw-r--r--	2024-04-10 09:40
v8-message.h	6.29 KB	-rw-r--r--	2024-04-10 12:29
v8-microtask-queue.h	4.95 KB	-rw-r--r--	2024-04-10 12:29
v8-microtask.h	861 B	-rw-r--r--	2022-10-11 10:59
v8-object.h	28.59 KB	-rw-r--r--	2024-04-10 12:29
v8-persistent-handle.h	17.47 KB	-rw-r--r--	2024-04-10 12:29
v8-platform.h	46.61 KB	-rw-r--r--	2024-04-10 12:29
v8-primitive-object.h	2.53 KB	-rw-r--r--	2022-10-11 10:59
v8-primitive.h	27.69 KB	-rw-r--r--	2024-04-10 12:29
v8-profiler.h	41.11 KB	-rw-r--r--	2024-04-10 12:29
v8-promise.h	5.17 KB	-rw-r--r--	2022-10-11 10:59
v8-proxy.h	1.23 KB	-rw-r--r--	2022-10-11 10:59
v8-regexp.h	3.1 KB	-rw-r--r--	2024-04-10 12:29
v8-script.h	28.91 KB	-rw-r--r--	2024-04-10 12:29
v8-snapshot.h	7.14 KB	-rw-r--r--	2024-04-10 12:29
v8-source-location.h	2.54 KB	-rw-r--r--	2024-04-10 12:29
v8-statistics.h	8 KB	-rw-r--r--	2024-04-10 12:29
v8-template.h	37.42 KB	-rw-r--r--	2024-04-10 12:29
v8-traced-handle.h	11.21 KB	-rw-r--r--	2024-04-10 12:29
v8-typed-array.h	8.06 KB	-rw-r--r--	2024-04-10 09:40
v8-unwinder.h	4.64 KB	-rw-r--r--	2024-04-10 12:29
v8-value-serializer.h	10.56 KB	-rw-r--r--	2024-04-10 12:29
v8-value.h	13.88 KB	-rw-r--r--	2024-04-10 12:29
v8-version.h	773 B	-rw-r--r--	2024-04-10 12:29
v8-wasm.h	6 KB	-rw-r--r--	2024-04-10 12:29
v8-weak-callback-info.h	2.41 KB	-rw-r--r--	2024-04-10 12:29
v8.h	3.69 KB	-rw-r--r--	2022-10-11 10:59
v8config.h	31.67 KB	-rw-r--r--	2024-04-10 12:29
zconf.h	16.77 KB	-rw-r--r--	2023-08-09 13:29
zlib.h	95.13 KB	-rw-r--r--	2024-02-13 21:51

Rename

// 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_