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v8::Context::from_snapshot()

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This commit is contained in:
Bartek Iwańczuk 2022-05-29 14:45:36 +02:00 committed by Bert Belder
parent bc41fd3b0d
commit 90cd7401de
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2 changed files with 25 additions and 0 deletions
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7
src/binding.cc
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@ -1682,6 +1682,13 @@ void v8__Context__SetPromiseHooks(v8::Context& self, v8::Function& init_hook,
ptr_to_local(&after_hook), ptr_to_local(&resolve_hook));
}
const v8::Context* v8__Context__FromSnapshot(v8::Isolate* isolate,
size_t context_snapshot_index) {
v8::MaybeLocal<v8::Context> maybe_local = v8::Context::FromSnapshot(
isolate, context_snapshot_index);
return maybe_local_to_ptr(maybe_local);
}
const v8::String* v8__Message__Get(const v8::Message& self) {
return local_to_ptr(self.Get());
}

18
src/context.rs
View file

@ -44,6 +44,10 @@ extern "C" {
index: c_int,
value: *mut c_void,
);
fn v8__Context__FromSnapshot(
isolate: *mut Isolate,
context_snapshot_index: usize,
) -> *const Context;
}
impl Context {
@ -302,6 +306,20 @@ impl Context {
};
}
}
/// Create a new context from a (non-default) context snapshot. There
/// is no way to provide a global object template since we do not create
/// a new global object from template, but we can reuse a global object.
pub fn from_snapshot<'a>(
scope: &'a mut HandleScope,
context_snapshot_index: usize,
) -> Option<Local<'a, Context>> {
unsafe {
scope.cast_local(|sd| {
v8__Context__FromSnapshot(sd.get_isolate_mut(), context_snapshot_index)
})
}
}
}
struct ContextAnnex {