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5623194a6b
`Isolate::GetCurrent()` should be used instead as it returns the same
thing.
Refs: 5c4a937aaf
PR-URL: https://github.com/nodejs/node/pull/59805
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Richard Lau <richard.lau@ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#include <assert.h>
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#include <cppgc/allocation.h>
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#include <cppgc/garbage-collected.h>
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#include <cppgc/heap.h>
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#include <node.h>
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#include <v8-cppgc.h>
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#include <v8-sandbox.h>
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#include <v8.h>
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#include <algorithm>
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class CppGCed : public v8::Object::Wrappable {
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public:
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static uint16_t states[2];
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static constexpr int kDestructCount = 0;
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static constexpr int kTraceCount = 1;
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static void New(const v8::FunctionCallbackInfo<v8::Value>& args) {
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v8::Isolate* isolate = args.GetIsolate();
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v8::Local<v8::Object> js_object = args.This();
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auto* heap = isolate->GetCppHeap();
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assert(heap != nullptr);
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CppGCed* gc_object =
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cppgc::MakeGarbageCollected<CppGCed>(heap->GetAllocationHandle());
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node::SetCppgcReference(isolate, js_object, gc_object);
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args.GetReturnValue().Set(js_object);
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}
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static v8::Local<v8::Function> GetConstructor(
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v8::Local<v8::Context> context) {
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auto ft = v8::FunctionTemplate::New(v8::Isolate::GetCurrent(), New);
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return ft->GetFunction(context).ToLocalChecked();
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}
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CppGCed() = default;
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~CppGCed() { states[kDestructCount]++; }
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void Trace(cppgc::Visitor* visitor) const { states[kTraceCount]++; }
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};
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uint16_t CppGCed::states[] = {0, 0};
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void InitModule(v8::Local<v8::Object> exports) {
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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auto context = isolate->GetCurrentContext();
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auto store = v8::ArrayBuffer::NewBackingStore(
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CppGCed::states,
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sizeof(uint16_t) * 2,
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[](void*, size_t, void*) {},
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nullptr);
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auto ab = v8::ArrayBuffer::New(isolate, std::move(store));
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exports
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->Set(context,
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v8::String::NewFromUtf8(isolate, "CppGCed").ToLocalChecked(),
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CppGCed::GetConstructor(context))
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.FromJust();
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exports
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->Set(context,
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v8::String::NewFromUtf8(isolate, "states").ToLocalChecked(),
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v8::Uint16Array::New(ab, 0, 2))
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.FromJust();
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exports
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->Set(context,
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v8::String::NewFromUtf8(isolate, "kDestructCount").ToLocalChecked(),
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v8::Integer::New(isolate, CppGCed::kDestructCount))
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.FromJust();
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exports
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->Set(context,
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v8::String::NewFromUtf8(isolate, "kTraceCount").ToLocalChecked(),
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v8::Integer::New(isolate, CppGCed::kTraceCount))
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.FromJust();
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}
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NODE_MODULE(NODE_GYP_MODULE_NAME, InitModule)
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