46 lines
994 B
C++
46 lines
994 B
C++
#include "rr.h"
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namespace rr {
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VALUE Backref::Storage;
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ID Backref::_new;
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ID Backref::object;
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void Backref::Init() {
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Storage = rb_eval_string("V8::Weak::Ref");
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rb_gc_register_address(&Storage);
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_new = rb_intern("new");
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object = rb_intern("object");
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}
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Backref::Backref(VALUE initial) {
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set(initial);
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rb_gc_register_address(&storage);
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}
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Backref::~Backref() {
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rb_gc_unregister_address(&storage);
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}
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VALUE Backref::set(VALUE data) {
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this->storage = rb_funcall(Storage, _new, 1, data);
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return data;
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}
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VALUE Backref::get() {
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return rb_funcall(storage, object, 0);
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}
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v8::Handle<v8::Value> Backref::toExternal() {
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v8::Local<v8::Value> wrapper = v8::External::New(this);
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v8::Persistent<v8::Value>::New(wrapper).MakeWeak(this, &release);
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return wrapper;
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}
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void Backref::release(v8::Persistent<v8::Value> handle, void* data) {
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handle.Dispose();
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Backref* backref = (Backref*)data;
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delete backref;
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}
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}
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