mirror of
https://github.com/denoland/rusty_v8.git
synced 2024-12-24 08:09:16 -05:00
Implement Clone for SharedRef<T> (#241)
This commit is contained in:
parent
ab3a086132
commit
bf128554fc
4 changed files with 32 additions and 2 deletions
|
@ -49,6 +49,9 @@ extern "C" {
|
||||||
fn v8__BackingStore__IsShared(this: *const BackingStore) -> bool;
|
fn v8__BackingStore__IsShared(this: *const BackingStore) -> bool;
|
||||||
fn v8__BackingStore__DELETE(this: &mut BackingStore);
|
fn v8__BackingStore__DELETE(this: &mut BackingStore);
|
||||||
|
|
||||||
|
fn std__shared_ptr__v8__BackingStore__COPY(
|
||||||
|
ptr: *const SharedRef<BackingStore>,
|
||||||
|
) -> SharedRef<BackingStore>;
|
||||||
fn std__shared_ptr__v8__BackingStore__CONVERT__std__unique_ptr(
|
fn std__shared_ptr__v8__BackingStore__CONVERT__std__unique_ptr(
|
||||||
unique: UniqueRef<BackingStore>,
|
unique: UniqueRef<BackingStore>,
|
||||||
) -> SharedRef<BackingStore>;
|
) -> SharedRef<BackingStore>;
|
||||||
|
@ -180,6 +183,9 @@ impl Delete for BackingStore {
|
||||||
}
|
}
|
||||||
|
|
||||||
impl Shared for BackingStore {
|
impl Shared for BackingStore {
|
||||||
|
fn clone(ptr: *const SharedRef<Self>) -> SharedRef<Self> {
|
||||||
|
unsafe { std__shared_ptr__v8__BackingStore__COPY(ptr) }
|
||||||
|
}
|
||||||
fn from_unique(unique: UniqueRef<Self>) -> SharedRef<Self> {
|
fn from_unique(unique: UniqueRef<Self>) -> SharedRef<Self> {
|
||||||
unsafe {
|
unsafe {
|
||||||
std__shared_ptr__v8__BackingStore__CONVERT__std__unique_ptr(unique)
|
std__shared_ptr__v8__BackingStore__CONVERT__std__unique_ptr(unique)
|
||||||
|
|
|
@ -592,6 +592,11 @@ bool v8__BackingStore__IsShared(const v8::BackingStore& self) {
|
||||||
|
|
||||||
void v8__BackingStore__DELETE(v8::BackingStore& self) { delete &self; }
|
void v8__BackingStore__DELETE(v8::BackingStore& self) { delete &self; }
|
||||||
|
|
||||||
|
two_pointers_t std__shared_ptr__v8__BackingStore__COPY(
|
||||||
|
const std::shared_ptr<v8::BackingStore>& ptr) {
|
||||||
|
return make_pod<two_pointers_t>(ptr);
|
||||||
|
}
|
||||||
|
|
||||||
two_pointers_t std__shared_ptr__v8__BackingStore__CONVERT__std__unique_ptr(
|
two_pointers_t std__shared_ptr__v8__BackingStore__CONVERT__std__unique_ptr(
|
||||||
v8::BackingStore* ptr) {
|
v8::BackingStore* ptr) {
|
||||||
return make_pod<two_pointers_t>(std::shared_ptr<v8::BackingStore>(ptr));
|
return make_pod<two_pointers_t>(std::shared_ptr<v8::BackingStore>(ptr));
|
||||||
|
|
|
@ -161,6 +161,7 @@ pub trait Shared
|
||||||
where
|
where
|
||||||
Self: Delete + 'static,
|
Self: Delete + 'static,
|
||||||
{
|
{
|
||||||
|
fn clone(shared_ptr: *const SharedRef<Self>) -> SharedRef<Self>;
|
||||||
fn from_unique(unique: UniqueRef<Self>) -> SharedRef<Self>;
|
fn from_unique(unique: UniqueRef<Self>) -> SharedRef<Self>;
|
||||||
fn deref(shared_ptr: *const SharedRef<Self>) -> *mut Self;
|
fn deref(shared_ptr: *const SharedRef<Self>) -> *mut Self;
|
||||||
fn reset(shared_ptr: *mut SharedRef<Self>);
|
fn reset(shared_ptr: *mut SharedRef<Self>);
|
||||||
|
@ -185,6 +186,15 @@ where
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
impl<T> Clone for SharedRef<T>
|
||||||
|
where
|
||||||
|
T: Shared,
|
||||||
|
{
|
||||||
|
fn clone(&self) -> Self {
|
||||||
|
<T as Shared>::clone(self)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
impl<T> From<UniqueRef<T>> for SharedRef<T>
|
impl<T> From<UniqueRef<T>> for SharedRef<T>
|
||||||
where
|
where
|
||||||
T: Delete + Shared,
|
T: Delete + Shared,
|
||||||
|
|
|
@ -342,11 +342,20 @@ fn array_buffer_with_shared_backing_store() {
|
||||||
|
|
||||||
let bs4 = ab2.get_backing_store();
|
let bs4 = ab2.get_backing_store();
|
||||||
assert_eq!(ab2.byte_length(), bs4.byte_length());
|
assert_eq!(ab2.byte_length(), bs4.byte_length());
|
||||||
assert_eq!(4, v8::SharedRef::use_count(&bs4));
|
|
||||||
assert_eq!(4, v8::SharedRef::use_count(&bs3));
|
assert_eq!(4, v8::SharedRef::use_count(&bs3));
|
||||||
|
assert_eq!(4, v8::SharedRef::use_count(&bs4));
|
||||||
|
|
||||||
|
let bs5 = bs4.clone();
|
||||||
|
assert_eq!(5, v8::SharedRef::use_count(&bs3));
|
||||||
|
assert_eq!(5, v8::SharedRef::use_count(&bs4));
|
||||||
|
assert_eq!(5, v8::SharedRef::use_count(&bs5));
|
||||||
|
|
||||||
drop(bs3);
|
drop(bs3);
|
||||||
assert_eq!(3, v8::SharedRef::use_count(&bs4));
|
assert_eq!(4, v8::SharedRef::use_count(&bs4));
|
||||||
|
assert_eq!(4, v8::SharedRef::use_count(&bs4));
|
||||||
|
|
||||||
|
drop(bs4);
|
||||||
|
assert_eq!(3, v8::SharedRef::use_count(&bs5));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue