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96 lines
2.9 KiB
96 lines
2.9 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_BASE_OBJECT_INL_H_
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#define SRC_BASE_OBJECT_INL_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "base-object.h"
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#include "env.h"
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#include "env-inl.h"
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#include "util.h"
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#include "util-inl.h"
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#include "v8.h"
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namespace node {
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inline BaseObject::BaseObject(Environment* env, v8::Local<v8::Object> handle)
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: persistent_handle_(env->isolate(), handle),
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env_(env) {
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CHECK_EQ(false, handle.IsEmpty());
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// The zero field holds a pointer to the handle. Immediately set it to
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// nullptr in case it's accessed by the user before construction is complete.
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if (handle->InternalFieldCount() > 0)
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handle->SetAlignedPointerInInternalField(0, nullptr);
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}
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inline BaseObject::~BaseObject() {
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CHECK(persistent_handle_.IsEmpty());
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}
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inline v8::Persistent<v8::Object>& BaseObject::persistent() {
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return persistent_handle_;
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}
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inline v8::Local<v8::Object> BaseObject::object() {
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return PersistentToLocal(env_->isolate(), persistent_handle_);
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}
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inline Environment* BaseObject::env() const {
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return env_;
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}
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template <typename Type>
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inline void BaseObject::WeakCallback(
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const v8::WeakCallbackInfo<Type>& data) {
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Type* self = data.GetParameter();
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self->persistent().Reset();
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delete self;
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}
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template <typename Type>
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inline void BaseObject::MakeWeak(Type* ptr) {
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v8::HandleScope scope(env_->isolate());
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v8::Local<v8::Object> handle = object();
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CHECK_GT(handle->InternalFieldCount(), 0);
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Wrap(handle, ptr);
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persistent_handle_.MarkIndependent();
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persistent_handle_.SetWeak<Type>(ptr, WeakCallback<Type>,
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v8::WeakCallbackType::kParameter);
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}
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inline void BaseObject::ClearWeak() {
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persistent_handle_.ClearWeak();
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}
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_BASE_OBJECT_INL_H_
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