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use crate::support::intptr_t;
use crate::AccessorNameGetterCallback;
use crate::FunctionCallback;
use crate::MessageCallback;
use std::os::raw::c_void;
#[derive(Clone, Copy)]
pub union ExternalReference<'s> {
pub function: FunctionCallback,
pub getter: AccessorNameGetterCallback<'s>,
pub message: MessageCallback,
pub pointer: *mut c_void,
}
#[derive(Debug, Clone)]
pub struct ExternalReferences {
null_terminated: Vec<intptr_t>,
}
unsafe impl Sync for ExternalReferences {}
impl ExternalReferences {
#[inline(always)]
pub fn new(refs: &[ExternalReference]) -> Self {
let null_terminated = refs
.iter()
.map(|&r| unsafe { std::mem::transmute(r) })
.chain(std::iter::once(0)) .collect::<Vec<intptr_t>>();
Self { null_terminated }
}
#[inline(always)]
pub fn as_ptr(&self) -> *const intptr_t {
self.null_terminated.as_ptr()
}
}
impl std::ops::Deref for ExternalReferences {
type Target = [intptr_t];
fn deref(&self) -> &Self::Target {
&*self.null_terminated
}
}
impl std::borrow::Borrow<[intptr_t]> for ExternalReferences {
fn borrow(&self) -> &[intptr_t] {
&**self
}
}