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Implement Component using vtable

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(the C++ part not yet ported)
This commit is contained in:
Olivier Goffart 2020-05-14 12:28:48 +02:00
parent 4b19818f6c
commit fb691e0808
2 changed files with 8 additions and 5 deletions
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2
helper_crates/vtable/src/lib.rs
View file

@ -177,6 +177,8 @@ pub fn vtable(_attr: TokenStream, item: TokenStream) -> TokenStream {
}
// Remove pub, if any
field.vis = Visibility::Inherited;
// FIXME!!!
field.vis = Visibility::Public(VisPublic{ pub_token: Default::default() });
let mut wrap_trait_call = None;
if !has_self {

11
tools/viewer/main.rs
View file

@ -54,18 +54,19 @@ unsafe fn set_property<T: PropertyWriter>(ptr: *mut u8, e: &Expression) {
T::write(ptr, e);
}
unsafe extern "C" fn dummy_destroy(_: *const ComponentType, _: *mut ComponentImpl) {
unsafe extern "C" fn dummy_destroy(_: *const ComponentVTable, _: *mut ComponentImpl) {
panic!();
}
#[repr(C)]
struct MyComponentType {
ct: ComponentType,
ct: ComponentVTable,
it: Vec<corelib::abi::datastructures::ItemTreeNode>,
}
unsafe extern "C" fn item_tree(
c: *const ComponentType,
c: *const ComponentVTable,
i: *const ComponentImpl,
) -> *const corelib::abi::datastructures::ItemTreeNode {
(*(c as *const MyComponentType)).it.as_ptr()
}
@ -148,7 +149,7 @@ fn main() -> std::io::Result<()> {
current_offset += rt.size;
});
let t = ComponentType { create: None, destroy: dummy_destroy, item_tree };
let t = ComponentVTable {/* create: None, */ drop: dummy_destroy, item_tree };
let t = MyComponentType { ct: t, it: tree_array };
let mut my_impl = Vec::<u64>::new();
@ -167,7 +168,7 @@ fn main() -> std::io::Result<()> {
}
gl::sixtyfps_runtime_run_component_with_gl_renderer(
&t as *const MyComponentType as *const ComponentType,
&t as *const MyComponentType as *const ComponentVTable,
std::ptr::NonNull::new(mem).unwrap().cast(),
);