Thanks. So, once I have a non-empty v8::Local object (v8obj_json in this
case), am I guaranteed that its value won't turn empty? - I'm asking this
in the context of calling v8::V8::TerminateExecution(isolate). Please
consider the following code -
v8::Local<v8::Object> v8obj_json;
if (!v8val_json.ToLocal(&v8obj_json)) { // v8val_json is a v8::MaybeLocal
return;
}
// Let's say we terminate the execution after getting a v8::Local object
v8::V8::TerminateExecution(isolate);
// Will v8obj_json become empty?
auto field_zero = v8obj_json->Get(0);
On Tuesday, 15 May 2018 15:46:43 UTC+5:30, Ben Noordhuis wrote:
>
> On Tue, May 15, 2018 at 12:10 PM, Gautham B A
> <[email protected] <javascript:>> wrote:
> > Hi all,
> >
> > Please consider the following code -
> > void ParseJSON(v8::Isolate *isolate, const v8::Local<v8::String>
> &v8_str) {
> > v8::HandleScope handle_scope(isolate);
> >
> > auto v8val_json = v8::JSON::Parse(isolate, v8_str);
> >
> > v8::Local<v8::Object> v8obj_json;
> > if (!v8val_json.ToLocal(&v8obj_json)) {
> > // Empty
> > return;
> > }
> >
> > // v8obj_json is a v8::Local. Is this check necessary?
> > if (!v8obj_json.IsEmpty()) {
> > return;
> > }
> >
> > auto field_zero = v8obj_json->Get(0);
> > }
> >
> > When I obtain a v8::Local object from a v8::MaybeLocal, is it necessary
> to
> > check if the v8::Local object is empty before accessing it?
>
> No, the .ToLocal() call took care of that.
>
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