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Code Issues Activity

add Object::get_identity_hash (#169)

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Bartek Iwańczuk 2020-01-02 19:56:28 +01:00 committed by GitHub
parent 65f12fbdc0
commit 6c5f189063
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3 changed files with 16 additions and 1 deletions
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4
src/binding.cc
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@ -610,6 +610,10 @@ v8::Isolate* v8__Object__GetIsolate(v8::Object& self) {
return self.GetIsolate();
}
int v8__Object__GetIdentityHash(v8::Object& self) {
return self.GetIdentityHash();
}
v8::Array* v8__Array__New(v8::Isolate* isolate, int length) {
return local_to_ptr(v8::Array::New(isolate, length));
}

10
src/object.rs
View file

@ -47,6 +47,7 @@ extern "C" {
key: *const Name,
value: *const Value,
) -> MaybeBool;
fn v8__Object__GetIdentityHash(object: &Object) -> int;
fn v8__Array__New(isolate: *mut Isolate, length: int) -> *mut Array;
}
@ -148,6 +149,15 @@ impl Object {
pub fn get_isolate(&mut self) -> &Isolate {
unsafe { v8__Object__GetIsolate(self) }
}
/// Returns the identity hash for this object. The current implementation
/// uses a hidden property on the object to store the identity hash.
///
/// The return value will never be 0. Also, it is not guaranteed to be
/// unique.
pub fn get_identity_hash(&self) -> int {
unsafe { v8__Object__GetIdentityHash(self) }
}
}
impl Array {

3
tests/test_api.rs
View file

@ -827,7 +827,8 @@ fn object() {
let object_ = v8::Object::new(scope);
assert!(!object_.is_null_or_undefined());
let id = object_.get_identity_hash();
assert_ne!(id, 0);
context.exit();
}
drop(locker);