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/// Auto-generated bindings for a pre-instantiated version of a
/// component which implements the world `the-world`.
///
/// This structure is created through [`TheWorldPre::new`] which
/// takes a [`InstancePre`](wasmtime::component::InstancePre) that
/// has been created through a [`Linker`](wasmtime::component::Linker).
pub struct TheWorldPre<T> {
instance_pre: wasmtime::component::InstancePre<T>,
interface0: exports::foo::foo::multi_return::GuestPre,
}
impl<T> Clone for TheWorldPre<T> {
fn clone(&self) -> Self {
Self {
instance_pre: self.instance_pre.clone(),
interface0: self.interface0.clone(),
}
}
}
/// Auto-generated bindings for an instance a component which
/// implements the world `the-world`.
///
/// This structure is created through either
/// [`TheWorld::instantiate`] or by first creating
/// a [`TheWorldPre`] followed by using
/// [`TheWorldPre::instantiate`].
pub struct TheWorld {
interface0: exports::foo::foo::multi_return::Guest,
}
const _: () = {
#[allow(unused_imports)]
use wasmtime::component::__internal::anyhow;
impl<_T> TheWorldPre<_T> {
/// Creates a new copy of `TheWorldPre` bindings which can then
/// be used to instantiate into a particular store.
///
/// This method may fail if the component behind `instance_pre`
/// does not have the required exports.
pub fn new(
instance_pre: wasmtime::component::InstancePre<_T>,
) -> wasmtime::Result<Self> {
let _component = instance_pre.component();
let interface0 = exports::foo::foo::multi_return::GuestPre::new(_component)?;
Ok(TheWorldPre {
instance_pre,
interface0,
})
}
/// Instantiates a new instance of [`TheWorld`] within the
/// `store` provided.
///
/// This function will use `self` as the pre-instantiated
/// instance to perform instantiation. Afterwards the preloaded
/// indices in `self` are used to lookup all exports on the
/// resulting instance.
pub fn instantiate(
&self,
mut store: impl wasmtime::AsContextMut<Data = _T>,
) -> wasmtime::Result<TheWorld> {
let mut store = store.as_context_mut();
let _instance = self.instance_pre.instantiate(&mut store)?;
let interface0 = self.interface0.load(&mut store, &_instance)?;
Ok(TheWorld { interface0 })
}
pub fn engine(&self) -> &wasmtime::Engine {
self.instance_pre.engine()
}
pub fn instance_pre(&self) -> &wasmtime::component::InstancePre<_T> {
&self.instance_pre
}
}
impl TheWorld {
/// Convenience wrapper around [`TheWorldPre::new`] and
/// [`TheWorldPre::instantiate`].
pub fn instantiate<_T>(
mut store: impl wasmtime::AsContextMut<Data = _T>,
component: &wasmtime::component::Component,
linker: &wasmtime::component::Linker<_T>,
) -> wasmtime::Result<TheWorld> {
let pre = linker.instantiate_pre(component)?;
TheWorldPre::new(pre)?.instantiate(store)
}
pub fn add_to_linker<T, U>(
linker: &mut wasmtime::component::Linker<T>,
get: impl Fn(&mut T) -> &mut U + Send + Sync + Copy + 'static,
) -> wasmtime::Result<()>
where
U: foo::foo::multi_return::Host,
{
foo::foo::multi_return::add_to_linker(linker, get)?;
Ok(())
}
pub fn foo_foo_multi_return(&self) -> &exports::foo::foo::multi_return::Guest {
&self.interface0
}
}
};
pub mod foo {
pub mod foo {
#[allow(clippy::all)]
pub mod multi_return {
#[allow(unused_imports)]
use wasmtime::component::__internal::anyhow;
pub trait Host {
fn mra(&mut self) -> ();
fn mrb(&mut self) -> ();
fn mrc(&mut self) -> u32;
fn mrd(&mut self) -> u32;
fn mre(&mut self) -> (u32, f32);
}
pub trait GetHost<
T,
>: Fn(T) -> <Self as GetHost<T>>::Host + Send + Sync + Copy + 'static {
type Host: Host;
}
impl<F, T, O> GetHost<T> for F
where
F: Fn(T) -> O + Send + Sync + Copy + 'static,
O: Host,
{
type Host = O;
}
pub fn add_to_linker_get_host<T>(
linker: &mut wasmtime::component::Linker<T>,
host_getter: impl for<'a> GetHost<&'a mut T>,
) -> wasmtime::Result<()> {
let mut inst = linker.instance("foo:foo/multi-return")?;
inst.func_wrap(
"mra",
move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| {
let host = &mut host_getter(caller.data_mut());
let r = Host::mra(host);
Ok(r)
},
)?;
inst.func_wrap(
"mrb",
move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| {
let host = &mut host_getter(caller.data_mut());
let r = Host::mrb(host);
Ok(r)
},
)?;
inst.func_wrap(
"mrc",
move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| {
let host = &mut host_getter(caller.data_mut());
let r = Host::mrc(host);
Ok((r,))
},
)?;
inst.func_wrap(
"mrd",
move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| {
let host = &mut host_getter(caller.data_mut());
let r = Host::mrd(host);
Ok((r,))
},
)?;
inst.func_wrap(
"mre",
move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| {
let host = &mut host_getter(caller.data_mut());
let r = Host::mre(host);
Ok(r)
},
)?;
Ok(())
}
pub fn add_to_linker<T, U>(
linker: &mut wasmtime::component::Linker<T>,
get: impl Fn(&mut T) -> &mut U + Send + Sync + Copy + 'static,
) -> wasmtime::Result<()>
where
U: Host,
{
add_to_linker_get_host(linker, get)
}
impl<_T: Host + ?Sized> Host for &mut _T {
fn mra(&mut self) -> () {
Host::mra(*self)
}
fn mrb(&mut self) -> () {
Host::mrb(*self)
}
fn mrc(&mut self) -> u32 {
Host::mrc(*self)
}
fn mrd(&mut self) -> u32 {
Host::mrd(*self)
}
fn mre(&mut self) -> (u32, f32) {
Host::mre(*self)
}
}
}
}
}
pub mod exports {
pub mod foo {
pub mod foo {
#[allow(clippy::all)]
pub mod multi_return {
#[allow(unused_imports)]
use wasmtime::component::__internal::anyhow;
pub struct Guest {
mra: wasmtime::component::Func,
mrb: wasmtime::component::Func,
mrc: wasmtime::component::Func,
mrd: wasmtime::component::Func,
mre: wasmtime::component::Func,
}
#[derive(Clone)]
pub struct GuestPre {
mra: wasmtime::component::ComponentExportIndex,
mrb: wasmtime::component::ComponentExportIndex,
mrc: wasmtime::component::ComponentExportIndex,
mrd: wasmtime::component::ComponentExportIndex,
mre: wasmtime::component::ComponentExportIndex,
}
impl GuestPre {
pub fn new(
component: &wasmtime::component::Component,
) -> wasmtime::Result<GuestPre> {
let _component = component;
let (_, instance) = component
.export_index(None, "foo:foo/multi-return")
.ok_or_else(|| {
anyhow::anyhow!(
"no exported instance named `foo:foo/multi-return`"
)
})?;
let _lookup = |name: &str| {
_component
.export_index(Some(&instance), name)
.map(|p| p.1)
.ok_or_else(|| {
anyhow::anyhow!(
"instance export `foo:foo/multi-return` does \
not have export `{name}`"
)
})
};
let mra = _lookup("mra")?;
let mrb = _lookup("mrb")?;
let mrc = _lookup("mrc")?;
let mrd = _lookup("mrd")?;
let mre = _lookup("mre")?;
Ok(GuestPre {
mra,
mrb,
mrc,
mrd,
mre,
})
}
pub fn load(
&self,
mut store: impl wasmtime::AsContextMut,
instance: &wasmtime::component::Instance,
) -> wasmtime::Result<Guest> {
let mut store = store.as_context_mut();
let _ = &mut store;
let _instance = instance;
let mra = *_instance
.get_typed_func::<(), ()>(&mut store, &self.mra)?
.func();
let mrb = *_instance
.get_typed_func::<(), ()>(&mut store, &self.mrb)?
.func();
let mrc = *_instance
.get_typed_func::<(), (u32,)>(&mut store, &self.mrc)?
.func();
let mrd = *_instance
.get_typed_func::<(), (u32,)>(&mut store, &self.mrd)?
.func();
let mre = *_instance
.get_typed_func::<(), (u32, f32)>(&mut store, &self.mre)?
.func();
Ok(Guest { mra, mrb, mrc, mrd, mre })
}
}
impl Guest {
pub fn call_mra<S: wasmtime::AsContextMut>(
&self,
mut store: S,
) -> wasmtime::Result<()> {
let callee = unsafe {
wasmtime::component::TypedFunc::<
(),
(),
>::new_unchecked(self.mra)
};
let () = callee.call(store.as_context_mut(), ())?;
callee.post_return(store.as_context_mut())?;
Ok(())
}
pub fn call_mrb<S: wasmtime::AsContextMut>(
&self,
mut store: S,
) -> wasmtime::Result<()> {
let callee = unsafe {
wasmtime::component::TypedFunc::<
(),
(),
>::new_unchecked(self.mrb)
};
let () = callee.call(store.as_context_mut(), ())?;
callee.post_return(store.as_context_mut())?;
Ok(())
}
pub fn call_mrc<S: wasmtime::AsContextMut>(
&self,
mut store: S,
) -> wasmtime::Result<u32> {
let callee = unsafe {
wasmtime::component::TypedFunc::<
(),
(u32,),
>::new_unchecked(self.mrc)
};
let (ret0,) = callee.call(store.as_context_mut(), ())?;
callee.post_return(store.as_context_mut())?;
Ok(ret0)
}
pub fn call_mrd<S: wasmtime::AsContextMut>(
&self,
mut store: S,
) -> wasmtime::Result<u32> {
let callee = unsafe {
wasmtime::component::TypedFunc::<
(),
(u32,),
>::new_unchecked(self.mrd)
};
let (ret0,) = callee.call(store.as_context_mut(), ())?;
callee.post_return(store.as_context_mut())?;
Ok(ret0)
}
pub fn call_mre<S: wasmtime::AsContextMut>(
&self,
mut store: S,
) -> wasmtime::Result<(u32, f32)> {
let callee = unsafe {
wasmtime::component::TypedFunc::<
(),
(u32, f32),
>::new_unchecked(self.mre)
};
let (ret0, ret1) = callee.call(store.as_context_mut(), ())?;
callee.post_return(store.as_context_mut())?;
Ok((ret0, ret1))
}
}
}
}
}
}