/// 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). /// /// For more information see [`TheWorld`] as well. pub struct TheWorldPre { instance_pre: wasmtime::component::InstancePre, indices: TheWorldIndices, } impl Clone for TheWorldPre { fn clone(&self) -> Self { Self { instance_pre: self.instance_pre.clone(), indices: self.indices.clone(), } } } impl<_T: 'static> 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 { let indices = TheWorldIndices::new(&instance_pre)?; Ok(Self { instance_pre, indices }) } pub fn engine(&self) -> &wasmtime::Engine { self.instance_pre.engine() } pub fn instance_pre(&self) -> &wasmtime::component::InstancePre<_T> { &self.instance_pre } /// 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, ) -> wasmtime::Result { let mut store = store.as_context_mut(); let instance = self.instance_pre.instantiate(&mut store)?; self.indices.load(&mut store, &instance) } } impl<_T: Send + 'static> TheWorldPre<_T> { /// Same as [`Self::instantiate`], except with `async`. pub async fn instantiate_async( &self, mut store: impl wasmtime::AsContextMut, ) -> wasmtime::Result { let mut store = store.as_context_mut(); let instance = self.instance_pre.instantiate_async(&mut store).await?; self.indices.load(&mut store, &instance) } } /// Auto-generated bindings for index of the exports of /// `the-world`. /// /// This is an implementation detail of [`TheWorldPre`] and can /// be constructed if needed as well. /// /// For more information see [`TheWorld`] as well. #[derive(Clone)] pub struct TheWorldIndices { interface0: exports::foo::foo::conventions::GuestIndices, } /// Auto-generated bindings for an instance a component which /// implements the world `the-world`. /// /// This structure can be created through a number of means /// depending on your requirements and what you have on hand: /// /// * The most convenient way is to use /// [`TheWorld::instantiate`] which only needs a /// [`Store`], [`Component`], and [`Linker`]. /// /// * Alternatively you can create a [`TheWorldPre`] ahead of /// time with a [`Component`] to front-load string lookups /// of exports once instead of per-instantiation. This /// method then uses [`TheWorldPre::instantiate`] to /// create a [`TheWorld`]. /// /// * If you've instantiated the instance yourself already /// then you can use [`TheWorld::new`]. /// /// These methods are all equivalent to one another and move /// around the tradeoff of what work is performed when. /// /// [`Store`]: wasmtime::Store /// [`Component`]: wasmtime::component::Component /// [`Linker`]: wasmtime::component::Linker pub struct TheWorld { interface0: exports::foo::foo::conventions::Guest, } const _: () = { impl TheWorldIndices { /// Creates a new copy of `TheWorldIndices` bindings which can then /// be used to instantiate into a particular store. /// /// This method may fail if the component does not have the /// required exports. pub fn new<_T>( _instance_pre: &wasmtime::component::InstancePre<_T>, ) -> wasmtime::Result { let _component = _instance_pre.component(); let _instance_type = _instance_pre.instance_type(); let interface0 = exports::foo::foo::conventions::GuestIndices::new( _instance_pre, )?; Ok(TheWorldIndices { interface0 }) } /// Uses the indices stored in `self` to load an instance /// of [`TheWorld`] from the instance provided. /// /// Note that at this time this method will additionally /// perform type-checks of all exports. pub fn load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let _ = &mut store; let _instance = instance; let interface0 = self.interface0.load(&mut store, &_instance)?; Ok(TheWorld { interface0 }) } } impl TheWorld { /// Convenience wrapper around [`TheWorldPre::new`] and /// [`TheWorldPre::instantiate`]. pub fn instantiate<_T>( store: impl wasmtime::AsContextMut, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result { let pre = linker.instantiate_pre(component)?; TheWorldPre::new(pre)?.instantiate(store) } /// Convenience wrapper around [`TheWorldIndices::new`] and /// [`TheWorldIndices::load`]. pub fn new( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let indices = TheWorldIndices::new(&instance.instance_pre(&store))?; indices.load(&mut store, instance) } /// Convenience wrapper around [`TheWorldPre::new`] and /// [`TheWorldPre::instantiate_async`]. pub async fn instantiate_async<_T>( store: impl wasmtime::AsContextMut, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result where _T: Send, { let pre = linker.instantiate_pre(component)?; TheWorldPre::new(pre)?.instantiate_async(store).await } pub fn add_to_linker( linker: &mut wasmtime::component::Linker, host_getter: fn(&mut T) -> D::Data<'_>, ) -> wasmtime::Result<()> where D: foo::foo::conventions::HostWithStore + Send, for<'a> D::Data<'a>: foo::foo::conventions::Host + Send, T: 'static + Send, { foo::foo::conventions::add_to_linker::(linker, host_getter)?; Ok(()) } pub fn foo_foo_conventions(&self) -> &exports::foo::foo::conventions::Guest { &self.interface0 } } }; pub mod foo { pub mod foo { #[allow(clippy::all)] pub mod conventions { #[allow(unused_imports)] use wasmtime::component::__internal::Box; #[derive(wasmtime::component::ComponentType)] #[derive(wasmtime::component::Lift)] #[derive(wasmtime::component::Lower)] #[component(record)] #[derive(Clone, Copy)] pub struct LudicrousSpeed { #[component(name = "how-fast-are-you-going")] pub how_fast_are_you_going: u32, #[component(name = "i-am-going-extremely-slow")] pub i_am_going_extremely_slow: u64, } impl core::fmt::Debug for LudicrousSpeed { fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { f.debug_struct("LudicrousSpeed") .field("how-fast-are-you-going", &self.how_fast_are_you_going) .field( "i-am-going-extremely-slow", &self.i_am_going_extremely_slow, ) .finish() } } const _: () = { assert!( 16 == < LudicrousSpeed as wasmtime::component::ComponentType >::SIZE32 ); assert!( 8 == < LudicrousSpeed as wasmtime::component::ComponentType >::ALIGN32 ); }; pub trait HostWithStore: wasmtime::component::HasData + Send {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData + Send, {} pub trait Host: Send { fn kebab_case( &mut self, ) -> impl ::core::future::Future + Send; fn foo( &mut self, x: LudicrousSpeed, ) -> impl ::core::future::Future + Send; fn function_with_dashes( &mut self, ) -> impl ::core::future::Future + Send; fn function_with_no_weird_characters( &mut self, ) -> impl ::core::future::Future + Send; fn apple(&mut self) -> impl ::core::future::Future + Send; fn apple_pear( &mut self, ) -> impl ::core::future::Future + Send; fn apple_pear_grape( &mut self, ) -> impl ::core::future::Future + Send; fn a0(&mut self) -> impl ::core::future::Future + Send; /// Comment out identifiers that collide when mapped to snake_case, for now; see /// https://github.com/WebAssembly/component-model/issues/118 /// APPLE: func() /// APPLE-pear-GRAPE: func() /// apple-PEAR-grape: func() fn is_xml(&mut self) -> impl ::core::future::Future + Send; fn explicit( &mut self, ) -> impl ::core::future::Future + Send; fn explicit_kebab( &mut self, ) -> impl ::core::future::Future + Send; /// Identifiers with the same name as keywords are quoted. fn bool(&mut self) -> impl ::core::future::Future + Send; } impl<_T: Host + ?Sized + Send> Host for &mut _T { fn kebab_case( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::kebab_case(*self).await } } fn foo( &mut self, x: LudicrousSpeed, ) -> impl ::core::future::Future + Send { async move { Host::foo(*self, x).await } } fn function_with_dashes( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::function_with_dashes(*self).await } } fn function_with_no_weird_characters( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::function_with_no_weird_characters(*self).await } } fn apple(&mut self) -> impl ::core::future::Future + Send { async move { Host::apple(*self).await } } fn apple_pear( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::apple_pear(*self).await } } fn apple_pear_grape( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::apple_pear_grape(*self).await } } fn a0(&mut self) -> impl ::core::future::Future + Send { async move { Host::a0(*self).await } } /// Comment out identifiers that collide when mapped to snake_case, for now; see /// https://github.com/WebAssembly/component-model/issues/118 /// APPLE: func() /// APPLE-pear-GRAPE: func() /// apple-PEAR-grape: func() fn is_xml(&mut self) -> impl ::core::future::Future + Send { async move { Host::is_xml(*self).await } } fn explicit( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::explicit(*self).await } } fn explicit_kebab( &mut self, ) -> impl ::core::future::Future + Send { async move { Host::explicit_kebab(*self).await } } /// Identifiers with the same name as keywords are quoted. fn bool(&mut self) -> impl ::core::future::Future + Send { async move { Host::bool(*self).await } } } pub fn add_to_linker( linker: &mut wasmtime::component::Linker, host_getter: fn(&mut T) -> D::Data<'_>, ) -> wasmtime::Result<()> where D: HostWithStore, for<'a> D::Data<'a>: Host, T: 'static + Send, { let mut inst = linker.instance("foo:foo/conventions")?; inst.func_wrap_async( "kebab-case", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::kebab_case(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "foo", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (LudicrousSpeed,)| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::foo(host, arg0).await; Ok(r) }) }, )?; inst.func_wrap_async( "function-with-dashes", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::function_with_dashes(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "function-with-no-weird-characters", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::function_with_no_weird_characters(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "apple", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::apple(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "apple-pear", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::apple_pear(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "apple-pear-grape", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::apple_pear_grape(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "a0", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::a0(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "is-XML", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::is_xml(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "explicit", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::explicit(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "explicit-kebab", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::explicit_kebab(host).await; Ok(r) }) }, )?; inst.func_wrap_async( "bool", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { wasmtime::component::__internal::Box::new(async move { let host = &mut host_getter(caller.data_mut()); let r = Host::bool(host).await; Ok(r) }) }, )?; Ok(()) } } } } pub mod exports { pub mod foo { pub mod foo { #[allow(clippy::all)] pub mod conventions { #[allow(unused_imports)] use wasmtime::component::__internal::Box; #[derive(wasmtime::component::ComponentType)] #[derive(wasmtime::component::Lift)] #[derive(wasmtime::component::Lower)] #[component(record)] #[derive(Clone, Copy)] pub struct LudicrousSpeed { #[component(name = "how-fast-are-you-going")] pub how_fast_are_you_going: u32, #[component(name = "i-am-going-extremely-slow")] pub i_am_going_extremely_slow: u64, } impl core::fmt::Debug for LudicrousSpeed { fn fmt( &self, f: &mut core::fmt::Formatter<'_>, ) -> core::fmt::Result { f.debug_struct("LudicrousSpeed") .field( "how-fast-are-you-going", &self.how_fast_are_you_going, ) .field( "i-am-going-extremely-slow", &self.i_am_going_extremely_slow, ) .finish() } } const _: () = { assert!( 16 == < LudicrousSpeed as wasmtime::component::ComponentType >::SIZE32 ); assert!( 8 == < LudicrousSpeed as wasmtime::component::ComponentType >::ALIGN32 ); }; #[derive(Clone)] pub struct Guest { kebab_case: wasmtime::component::Func, foo: wasmtime::component::Func, function_with_dashes: wasmtime::component::Func, function_with_no_weird_characters: wasmtime::component::Func, apple: wasmtime::component::Func, apple_pear: wasmtime::component::Func, apple_pear_grape: wasmtime::component::Func, a0: wasmtime::component::Func, is_xml: wasmtime::component::Func, explicit: wasmtime::component::Func, explicit_kebab: wasmtime::component::Func, bool: wasmtime::component::Func, } #[derive(Clone)] pub struct GuestIndices { kebab_case: wasmtime::component::ComponentExportIndex, foo: wasmtime::component::ComponentExportIndex, function_with_dashes: wasmtime::component::ComponentExportIndex, function_with_no_weird_characters: wasmtime::component::ComponentExportIndex, apple: wasmtime::component::ComponentExportIndex, apple_pear: wasmtime::component::ComponentExportIndex, apple_pear_grape: wasmtime::component::ComponentExportIndex, a0: wasmtime::component::ComponentExportIndex, is_xml: wasmtime::component::ComponentExportIndex, explicit: wasmtime::component::ComponentExportIndex, explicit_kebab: wasmtime::component::ComponentExportIndex, bool: wasmtime::component::ComponentExportIndex, } impl GuestIndices { /// Constructor for [`GuestIndices`] which takes a /// [`Component`](wasmtime::component::Component) as input and can be executed /// before instantiation. /// /// This constructor can be used to front-load string lookups to find exports /// within a component. pub fn new<_T>( _instance_pre: &wasmtime::component::InstancePre<_T>, ) -> wasmtime::Result { let instance = _instance_pre .component() .get_export_index(None, "foo:foo/conventions") .ok_or_else(|| { wasmtime::format_err!( "no exported instance named `foo:foo/conventions`" ) })?; let mut lookup = move |name| { _instance_pre .component() .get_export_index(Some(&instance), name) .ok_or_else(|| { wasmtime::format_err!( "instance export `foo:foo/conventions` does \ not have export `{name}`" ) }) }; let _ = &mut lookup; let kebab_case = lookup("kebab-case")?; let foo = lookup("foo")?; let function_with_dashes = lookup("function-with-dashes")?; let function_with_no_weird_characters = lookup( "function-with-no-weird-characters", )?; let apple = lookup("apple")?; let apple_pear = lookup("apple-pear")?; let apple_pear_grape = lookup("apple-pear-grape")?; let a0 = lookup("a0")?; let is_xml = lookup("is-XML")?; let explicit = lookup("explicit")?; let explicit_kebab = lookup("explicit-kebab")?; let bool = lookup("bool")?; Ok(GuestIndices { kebab_case, foo, function_with_dashes, function_with_no_weird_characters, apple, apple_pear, apple_pear_grape, a0, is_xml, explicit, explicit_kebab, bool, }) } pub fn load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let _instance = instance; let _instance_pre = _instance.instance_pre(&store); let _instance_type = _instance_pre.instance_type(); let mut store = store.as_context_mut(); let _ = &mut store; let kebab_case = *_instance .get_typed_func::<(), ()>(&mut store, &self.kebab_case)? .func(); let foo = *_instance .get_typed_func::< (LudicrousSpeed,), (), >(&mut store, &self.foo)? .func(); let function_with_dashes = *_instance .get_typed_func::< (), (), >(&mut store, &self.function_with_dashes)? .func(); let function_with_no_weird_characters = *_instance .get_typed_func::< (), (), >(&mut store, &self.function_with_no_weird_characters)? .func(); let apple = *_instance .get_typed_func::<(), ()>(&mut store, &self.apple)? .func(); let apple_pear = *_instance .get_typed_func::<(), ()>(&mut store, &self.apple_pear)? .func(); let apple_pear_grape = *_instance .get_typed_func::< (), (), >(&mut store, &self.apple_pear_grape)? .func(); let a0 = *_instance .get_typed_func::<(), ()>(&mut store, &self.a0)? .func(); let is_xml = *_instance .get_typed_func::<(), ()>(&mut store, &self.is_xml)? .func(); let explicit = *_instance .get_typed_func::<(), ()>(&mut store, &self.explicit)? .func(); let explicit_kebab = *_instance .get_typed_func::<(), ()>(&mut store, &self.explicit_kebab)? .func(); let bool = *_instance .get_typed_func::<(), ()>(&mut store, &self.bool)? .func(); Ok(Guest { kebab_case, foo, function_with_dashes, function_with_no_weird_characters, apple, apple_pear, apple_pear_grape, a0, is_xml, explicit, explicit_kebab, bool, }) } } impl Guest { pub async fn call_kebab_case( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.kebab_case) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_foo( &self, mut store: S, arg0: LudicrousSpeed, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (LudicrousSpeed,), (), >::new_unchecked(self.foo) }; let () = callee .call_async(store.as_context_mut(), (arg0,)) .await?; Ok(()) } pub async fn call_function_with_dashes( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.function_with_dashes) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_function_with_no_weird_characters< S: wasmtime::AsContextMut, >(&self, mut store: S) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.function_with_no_weird_characters) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_apple( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.apple) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_apple_pear( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.apple_pear) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_apple_pear_grape( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.apple_pear_grape) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_a0( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.a0) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } /// Comment out identifiers that collide when mapped to snake_case, for now; see /// https://github.com/WebAssembly/component-model/issues/118 /// APPLE: func() /// APPLE-pear-GRAPE: func() /// apple-PEAR-grape: func() pub async fn call_is_xml( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.is_xml) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_explicit( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.explicit) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } pub async fn call_explicit_kebab( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.explicit_kebab) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } /// Identifiers with the same name as keywords are quoted. pub async fn call_bool( &self, mut store: S, ) -> wasmtime::Result<()> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (), >::new_unchecked(self.bool) }; let () = callee.call_async(store.as_context_mut(), ()).await?; Ok(()) } } } } } }