async_wrap-inl.h

// Copyright Joyent, Inc. and other Node contributors.
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//
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#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 double AsyncWrap::get_async_id() const {
  return async_id_;
}


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


inline AsyncWrap::AsyncScope::AsyncScope(AsyncWrap* wrap)
    : wrap_(wrap) {
  Environment* env = wrap->env();
  if (env->async_hooks()->fields()[AsyncHooks::kBefore] == 0) return;
  EmitBefore(env, wrap->get_async_id());
}

inline AsyncWrap::AsyncScope::~AsyncScope() {
  Environment* env = wrap_->env();
  if (env->async_hooks()->fields()[AsyncHooks::kAfter] == 0) return;
  EmitAfter(env, wrap_->get_async_id());
}


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()) {
    // TODO(addaleax): We should throw an error here to fulfill the
    // `MaybeLocal<>` API contract.
    return v8::MaybeLocal<v8::Value>();
  }
  return MakeCallback(cb_v.As<v8::Function>(), argc, argv);
}


// Defined here to avoid a circular dependency with env-inl.h.
inline AsyncHooks::DefaultTriggerAsyncIdScope ::DefaultTriggerAsyncIdScope(
    AsyncWrap* async_wrap)
    : DefaultTriggerAsyncIdScope(async_wrap->env(),
                                 async_wrap->get_async_id()) {}

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_ASYNC_WRAP_INL_H_