Sha256: 7748031b36362176ba5cddb3c4ec85899b97e442ea9a46fe770c8df83f885cb5
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Size: 1.98 KB
Versions: 73
Compression:
Stored size: 1.98 KB
Contents
#include "rr.h"
#include "v8_external.h"
#include "v8_handle.h"
#include "v8_value.h"
using namespace v8;
namespace {
VALUE ExternalClass;
VALUE references;
struct Weaklink {
bool finalized_from_rb;
bool finalized_from_v8;
VALUE target;
};
VALUE Weaklink_finalized_from_ruby(VALUE object_id, VALUE data) {
Weaklink* link = 0;
Data_Get_Struct(data, struct Weaklink, link);
link->finalized_from_rb = true;
if (link->finalized_from_v8) {
delete link;
}
return Qnil;
}
void Weaklink_finalized_from_v8(Persistent<Value> value, void* data) {
Weaklink* link = (Weaklink*)data;
link->finalized_from_v8 = true;
if (link->finalized_from_rb) {
delete link;
}
value.Dispose();
}
VALUE New(VALUE self, VALUE value) {
HandleScope scope;
Weaklink* link = new Weaklink();
link->finalized_from_v8 = false;
link->finalized_from_rb = false;
link->target = value;
Persistent<External> external = Persistent<External>::New(External::New((void*)link));
external.MakeWeak(link,Weaklink_finalized_from_v8);
VALUE finalizer_data = Data_Wrap_Struct(rb_cObject, 0, 0, link);
rr_define_finalizer(value, (void*)Weaklink_finalized_from_ruby, finalizer_data);
return rr_v8_handle_new(self, external);
}
VALUE _Value(VALUE self) {
HandleScope scope;
Weaklink* link = (Weaklink*)rr_v8_handle<External>(self)->Value();
if (link->finalized_from_rb) {
rb_warn("an active v8::External wraps a VALUE that has already been finalized! This is not good.\n");
return Qnil;
} else {
return link->target;
}
return (VALUE)rr_v8_handle<External>(self)->Value();
}
}
void rr_init_v8_external() {
ExternalClass = rr_define_class("External", rr_v8_value_class());
rr_define_singleton_method(ExternalClass, "New", New, 1);
rr_define_method(ExternalClass, "Value", _Value, 0);
}
VALUE rr_reflect_v8_external(Handle<Value> external) {
return rr_v8_handle_new(ExternalClass, external);
}
Version data entries
73 entries across 73 versions & 5 rubygems