src/async_wrap-inl.h - main - githubmirror/node

src/async_wrap-inl.h
123 строки4 KB
Anna Henningsen
src: convert context_frame field in AsyncWrap to internal field
06 мар 2026, 19:44
06 мар 2026, 19:446ad5f7c
// 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_ASYNC_WRAP_INL_H_
#define SRC_ASYNC_WRAP_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "async_wrap.h"
#include "base_object-inl.h"
#include "node_internals.h"

namespace node {

inline AsyncWrap::ProviderType AsyncWrap::provider_type() const {
  return provider_type_;
}

inline AsyncWrap::ProviderType AsyncWrap::set_provider_type(
    AsyncWrap::ProviderType provider) {
  provider_type_ = provider;
  return provider_type_;
}

inline double AsyncWrap::get_async_id() const {
  return async_id_;
}


inline double AsyncWrap::get_trigger_async_id() const {
  return trigger_async_id_;
}

inline v8::Local<v8::Value> AsyncWrap::context_frame() const {
  auto as_data = object()->GetInternalField(kAsyncContextFrame);
  DCHECK_IMPLIES(!as_data.IsEmpty(),
                 as_data->IsValue() || as_data->IsPrivate());
  if (as_data->IsPrivate()) {
    DCHECK(as_data.As<v8::Private>()->Name()->SameValue(
        env()->empty_context_frame_sentinel_symbol()->Name()));
    return {};
  }
  return as_data.As<v8::Value>();
}

inline void AsyncWrap::set_context_frame(v8::Local<v8::Value> value) {
  if (value.IsEmpty()) {
    // Empty values are not allowed in internal fields
    object()->SetInternalField(kAsyncContextFrame,
                               env()->empty_context_frame_sentinel_symbol());
  } else {
    object()->SetInternalField(kAsyncContextFrame, value);
  }
}

inline v8::MaybeLocal<v8::Value> AsyncWrap::MakeCallback(
    const v8::Local<v8::String> symbol,
    int argc,
    v8::Local<v8::Value>* argv) {
  return MakeCallback(symbol.As<v8::Name>(), argc, argv);
}


inline v8::MaybeLocal<v8::Value> AsyncWrap::MakeCallback(
    const v8::Local<v8::Symbol> symbol,
    int argc,
    v8::Local<v8::Value>* argv) {
  return MakeCallback(symbol.As<v8::Name>(), argc, argv);
}


inline v8::MaybeLocal<v8::Value> AsyncWrap::MakeCallback(
    const v8::Local<v8::Name> symbol,
    int argc,
    v8::Local<v8::Value>* argv) {
  v8::Local<v8::Value> cb_v;
  if (!object()->Get(env()->context(), symbol).ToLocal(&cb_v))
    return v8::MaybeLocal<v8::Value>();
  if (!cb_v->IsFunction()) {
    v8::Isolate* isolate = env()->isolate();
    return Undefined(isolate);
  }
  return MakeCallback(cb_v.As<v8::Function>(), argc, argv);
}

// static
inline v8::Local<v8::FunctionTemplate> AsyncWrap::GetConstructorTemplate(
    Environment* env) {
  return GetConstructorTemplate(env->isolate_data());
}

// static
v8::Local<v8::FunctionTemplate> AsyncWrap::MakeLazilyInitializedJSTemplate(
    Environment* env, int internal_field_count) {
  v8::Local<v8::FunctionTemplate> t =
      BaseObject::MakeLazilyInitializedJSTemplate(env, internal_field_count);
  t->Inherit(AsyncWrap::GetConstructorTemplate(env));
  return t;
}

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_ASYNC_WRAP_INL_H_