/// Auto-generated bindings for a pre-instantiated version of a /// component which implements the world `w`. /// /// This structure is created through [`WPre::new`] which /// takes a [`InstancePre`](wasmtime::component::InstancePre) that /// has been created through a [`Linker`](wasmtime::component::Linker). /// /// For more information see [`W`] as well. pub struct WPre { instance_pre: wasmtime::component::InstancePre, indices: WIndices, } impl Clone for WPre { fn clone(&self) -> Self { Self { instance_pre: self.instance_pre.clone(), indices: self.indices.clone(), } } } impl<_T> WPre<_T> { /// Creates a new copy of `WPre` 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 = WIndices::new(instance_pre.component())?; 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 [`W`] 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 async fn instantiate_async( &self, mut store: impl wasmtime::AsContextMut, ) -> wasmtime::Result where _T: Send, { 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 /// `w`. /// /// This is an implementation detail of [`WPre`] and can /// be constructed if needed as well. /// /// For more information see [`W`] as well. #[derive(Clone)] pub struct WIndices { interface0: exports::foo::foo::simple_export::GuestIndices, interface1: exports::foo::foo::export_using_import::GuestIndices, interface2: exports::foo::foo::export_using_export1::GuestIndices, interface3: exports::foo::foo::export_using_export2::GuestIndices, } /// Auto-generated bindings for an instance a component which /// implements the world `w`. /// /// 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 /// [`W::instantiate_async`] which only needs a /// [`Store`], [`Component`], and [`Linker`]. /// /// * Alternatively you can create a [`WPre`] ahead of /// time with a [`Component`] to front-load string lookups /// of exports once instead of per-instantiation. This /// method then uses [`WPre::instantiate_async`] to /// create a [`W`]. /// /// * If you've instantiated the instance yourself already /// then you can use [`W::new`]. /// /// * You can also access the guts of instantiation through /// [`WIndices::new_instance`] followed /// by [`WIndices::load`] to crate an instance of this /// type. /// /// 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 W { interface0: exports::foo::foo::simple_export::Guest, interface1: exports::foo::foo::export_using_import::Guest, interface2: exports::foo::foo::export_using_export1::Guest, interface3: exports::foo::foo::export_using_export2::Guest, } const _: () = { #[allow(unused_imports)] use wasmtime::component::__internal::anyhow; impl WIndices { /// Creates a new copy of `WIndices` 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( component: &wasmtime::component::Component, ) -> wasmtime::Result { let _component = component; let interface0 = exports::foo::foo::simple_export::GuestIndices::new( _component, )?; let interface1 = exports::foo::foo::export_using_import::GuestIndices::new( _component, )?; let interface2 = exports::foo::foo::export_using_export1::GuestIndices::new( _component, )?; let interface3 = exports::foo::foo::export_using_export2::GuestIndices::new( _component, )?; Ok(WIndices { interface0, interface1, interface2, interface3, }) } /// Creates a new instance of [`WIndices`] from an /// instantiated component. /// /// This method of creating a [`W`] will perform string /// lookups for all exports when this method is called. This /// will only succeed if the provided instance matches the /// requirements of [`W`]. pub fn new_instance( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let _instance = instance; let interface0 = exports::foo::foo::simple_export::GuestIndices::new_instance( &mut store, _instance, )?; let interface1 = exports::foo::foo::export_using_import::GuestIndices::new_instance( &mut store, _instance, )?; let interface2 = exports::foo::foo::export_using_export1::GuestIndices::new_instance( &mut store, _instance, )?; let interface3 = exports::foo::foo::export_using_export2::GuestIndices::new_instance( &mut store, _instance, )?; Ok(WIndices { interface0, interface1, interface2, interface3, }) } /// Uses the indices stored in `self` to load an instance /// of [`W`] 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 _instance = instance; let interface0 = self.interface0.load(&mut store, &_instance)?; let interface1 = self.interface1.load(&mut store, &_instance)?; let interface2 = self.interface2.load(&mut store, &_instance)?; let interface3 = self.interface3.load(&mut store, &_instance)?; Ok(W { interface0, interface1, interface2, interface3, }) } } impl W { /// Convenience wrapper around [`WPre::new`] and /// [`WPre::instantiate_async`]. pub async fn instantiate_async<_T>( mut store: impl wasmtime::AsContextMut, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result where _T: Send, { let pre = linker.instantiate_pre(component)?; WPre::new(pre)?.instantiate_async(store).await } /// Convenience wrapper around [`WIndices::new_instance`] and /// [`WIndices::load`]. pub fn new( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let indices = WIndices::new_instance(&mut store, instance)?; indices.load(store, instance) } pub fn add_to_linker( linker: &mut wasmtime::component::Linker, get: impl Fn(&mut T) -> &mut U + Send + Sync + Copy + 'static, ) -> wasmtime::Result<()> where T: Send, U: foo::foo::transitive_import::Host + Send, { foo::foo::transitive_import::add_to_linker(linker, get)?; Ok(()) } pub fn foo_foo_simple_export(&self) -> &exports::foo::foo::simple_export::Guest { &self.interface0 } pub fn foo_foo_export_using_import( &self, ) -> &exports::foo::foo::export_using_import::Guest { &self.interface1 } pub fn foo_foo_export_using_export1( &self, ) -> &exports::foo::foo::export_using_export1::Guest { &self.interface2 } pub fn foo_foo_export_using_export2( &self, ) -> &exports::foo::foo::export_using_export2::Guest { &self.interface3 } } }; pub mod foo { pub mod foo { #[allow(clippy::all)] pub mod transitive_import { #[allow(unused_imports)] use wasmtime::component::__internal::{anyhow, Box}; pub enum Y {} #[wasmtime::component::__internal::trait_variant_make(::core::marker::Send)] pub trait HostY { async fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()>; } impl<_T: HostY + ?Sized + Send> HostY for &mut _T { async fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()> { HostY::drop(*self, rep).await } } #[wasmtime::component::__internal::trait_variant_make(::core::marker::Send)] pub trait Host: Send + HostY {} pub trait GetHost< T, >: Fn(T) -> >::Host + Send + Sync + Copy + 'static { type Host: Host + Send; } impl GetHost for F where F: Fn(T) -> O + Send + Sync + Copy + 'static, O: Host + Send, { type Host = O; } pub fn add_to_linker_get_host( linker: &mut wasmtime::component::Linker, host_getter: impl for<'a> GetHost<&'a mut T>, ) -> wasmtime::Result<()> where T: Send, { let mut inst = linker.instance("foo:foo/transitive-import")?; inst.resource_async( "y", wasmtime::component::ResourceType::host::(), move |mut store, rep| { wasmtime::component::__internal::Box::new(async move { HostY::drop( &mut host_getter(store.data_mut()), wasmtime::component::Resource::new_own(rep), ) .await }) }, )?; Ok(()) } pub fn add_to_linker( linker: &mut wasmtime::component::Linker, get: impl Fn(&mut T) -> &mut U + Send + Sync + Copy + 'static, ) -> wasmtime::Result<()> where U: Host + Send, T: Send, { add_to_linker_get_host(linker, get) } impl<_T: Host + ?Sized + Send> Host for &mut _T {} } } } pub mod exports { pub mod foo { pub mod foo { #[allow(clippy::all)] pub mod simple_export { #[allow(unused_imports)] use wasmtime::component::__internal::{anyhow, Box}; pub type A = wasmtime::component::ResourceAny; pub struct GuestA<'a> { funcs: &'a Guest, } pub struct Guest { constructor_a_constructor: wasmtime::component::Func, static_a_static_a: wasmtime::component::Func, method_a_method_a: wasmtime::component::Func, } #[derive(Clone)] pub struct GuestIndices { constructor_a_constructor: wasmtime::component::ComponentExportIndex, static_a_static_a: wasmtime::component::ComponentExportIndex, method_a_method_a: 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( component: &wasmtime::component::Component, ) -> wasmtime::Result { let (_, instance) = component .export_index(None, "foo:foo/simple-export") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/simple-export`" ) })?; Self::_new(|name| { component.export_index(Some(&instance), name).map(|p| p.1) }) } /// This constructor is similar to [`GuestIndices::new`] except that it /// performs string lookups after instantiation time. pub fn new_instance( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let instance_export = instance .get_export(&mut store, None, "foo:foo/simple-export") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/simple-export`" ) })?; Self::_new(|name| { instance.get_export(&mut store, Some(&instance_export), name) }) } fn _new( mut lookup: impl FnMut( &str, ) -> Option, ) -> wasmtime::Result { let mut lookup = move |name| { lookup(name) .ok_or_else(|| { anyhow::anyhow!( "instance export `foo:foo/simple-export` does \ not have export `{name}`" ) }) }; let _ = &mut lookup; let constructor_a_constructor = lookup("[constructor]a")?; let static_a_static_a = lookup("[static]a.static-a")?; let method_a_method_a = lookup("[method]a.method-a")?; Ok(GuestIndices { constructor_a_constructor, static_a_static_a, method_a_method_a, }) } pub fn load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let mut store = store.as_context_mut(); let _ = &mut store; let _instance = instance; let constructor_a_constructor = *_instance .get_typed_func::< (), (wasmtime::component::ResourceAny,), >(&mut store, &self.constructor_a_constructor)? .func(); let static_a_static_a = *_instance .get_typed_func::< (), (u32,), >(&mut store, &self.static_a_static_a)? .func(); let method_a_method_a = *_instance .get_typed_func::< (wasmtime::component::ResourceAny,), (u32,), >(&mut store, &self.method_a_method_a)? .func(); Ok(Guest { constructor_a_constructor, static_a_static_a, method_a_method_a, }) } } impl Guest { pub fn a(&self) -> GuestA<'_> { GuestA { funcs: self } } } impl GuestA<'_> { pub async fn call_constructor( &self, mut store: S, ) -> wasmtime::Result where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (wasmtime::component::ResourceAny,), >::new_unchecked(self.funcs.constructor_a_constructor) }; let (ret0,) = callee .call_async(store.as_context_mut(), ()) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } pub async fn call_static_a( &self, mut store: S, ) -> wasmtime::Result where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (u32,), >::new_unchecked(self.funcs.static_a_static_a) }; let (ret0,) = callee .call_async(store.as_context_mut(), ()) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } pub async fn call_method_a( &self, mut store: S, arg0: wasmtime::component::ResourceAny, ) -> wasmtime::Result where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (wasmtime::component::ResourceAny,), (u32,), >::new_unchecked(self.funcs.method_a_method_a) }; let (ret0,) = callee .call_async(store.as_context_mut(), (arg0,)) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } } } #[allow(clippy::all)] pub mod export_using_import { #[allow(unused_imports)] use wasmtime::component::__internal::{anyhow, Box}; pub type Y = super::super::super::super::foo::foo::transitive_import::Y; pub type A = wasmtime::component::ResourceAny; pub struct GuestA<'a> { funcs: &'a Guest, } pub struct Guest { constructor_a_constructor: wasmtime::component::Func, static_a_static_a: wasmtime::component::Func, method_a_method_a: wasmtime::component::Func, } #[derive(Clone)] pub struct GuestIndices { constructor_a_constructor: wasmtime::component::ComponentExportIndex, static_a_static_a: wasmtime::component::ComponentExportIndex, method_a_method_a: 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( component: &wasmtime::component::Component, ) -> wasmtime::Result { let (_, instance) = component .export_index(None, "foo:foo/export-using-import") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/export-using-import`" ) })?; Self::_new(|name| { component.export_index(Some(&instance), name).map(|p| p.1) }) } /// This constructor is similar to [`GuestIndices::new`] except that it /// performs string lookups after instantiation time. pub fn new_instance( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let instance_export = instance .get_export(&mut store, None, "foo:foo/export-using-import") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/export-using-import`" ) })?; Self::_new(|name| { instance.get_export(&mut store, Some(&instance_export), name) }) } fn _new( mut lookup: impl FnMut( &str, ) -> Option, ) -> wasmtime::Result { let mut lookup = move |name| { lookup(name) .ok_or_else(|| { anyhow::anyhow!( "instance export `foo:foo/export-using-import` does \ not have export `{name}`" ) }) }; let _ = &mut lookup; let constructor_a_constructor = lookup("[constructor]a")?; let static_a_static_a = lookup("[static]a.static-a")?; let method_a_method_a = lookup("[method]a.method-a")?; Ok(GuestIndices { constructor_a_constructor, static_a_static_a, method_a_method_a, }) } pub fn load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let mut store = store.as_context_mut(); let _ = &mut store; let _instance = instance; let constructor_a_constructor = *_instance .get_typed_func::< (wasmtime::component::Resource,), (wasmtime::component::ResourceAny,), >(&mut store, &self.constructor_a_constructor)? .func(); let static_a_static_a = *_instance .get_typed_func::< (), (wasmtime::component::Resource,), >(&mut store, &self.static_a_static_a)? .func(); let method_a_method_a = *_instance .get_typed_func::< ( wasmtime::component::ResourceAny, wasmtime::component::Resource, ), (wasmtime::component::Resource,), >(&mut store, &self.method_a_method_a)? .func(); Ok(Guest { constructor_a_constructor, static_a_static_a, method_a_method_a, }) } } impl Guest { pub fn a(&self) -> GuestA<'_> { GuestA { funcs: self } } } impl GuestA<'_> { pub async fn call_constructor( &self, mut store: S, arg0: wasmtime::component::Resource, ) -> wasmtime::Result where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (wasmtime::component::Resource,), (wasmtime::component::ResourceAny,), >::new_unchecked(self.funcs.constructor_a_constructor) }; let (ret0,) = callee .call_async(store.as_context_mut(), (arg0,)) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } pub async fn call_static_a( &self, mut store: S, ) -> wasmtime::Result> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (wasmtime::component::Resource,), >::new_unchecked(self.funcs.static_a_static_a) }; let (ret0,) = callee .call_async(store.as_context_mut(), ()) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } pub async fn call_method_a( &self, mut store: S, arg0: wasmtime::component::ResourceAny, arg1: wasmtime::component::Resource, ) -> wasmtime::Result> where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< ( wasmtime::component::ResourceAny, wasmtime::component::Resource, ), (wasmtime::component::Resource,), >::new_unchecked(self.funcs.method_a_method_a) }; let (ret0,) = callee .call_async(store.as_context_mut(), (arg0, arg1)) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } } } #[allow(clippy::all)] pub mod export_using_export1 { #[allow(unused_imports)] use wasmtime::component::__internal::{anyhow, Box}; pub type A = wasmtime::component::ResourceAny; pub struct GuestA<'a> { funcs: &'a Guest, } pub struct Guest { constructor_a_constructor: wasmtime::component::Func, } #[derive(Clone)] pub struct GuestIndices { constructor_a_constructor: 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( component: &wasmtime::component::Component, ) -> wasmtime::Result { let (_, instance) = component .export_index(None, "foo:foo/export-using-export1") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/export-using-export1`" ) })?; Self::_new(|name| { component.export_index(Some(&instance), name).map(|p| p.1) }) } /// This constructor is similar to [`GuestIndices::new`] except that it /// performs string lookups after instantiation time. pub fn new_instance( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let instance_export = instance .get_export(&mut store, None, "foo:foo/export-using-export1") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/export-using-export1`" ) })?; Self::_new(|name| { instance.get_export(&mut store, Some(&instance_export), name) }) } fn _new( mut lookup: impl FnMut( &str, ) -> Option, ) -> wasmtime::Result { let mut lookup = move |name| { lookup(name) .ok_or_else(|| { anyhow::anyhow!( "instance export `foo:foo/export-using-export1` does \ not have export `{name}`" ) }) }; let _ = &mut lookup; let constructor_a_constructor = lookup("[constructor]a")?; Ok(GuestIndices { constructor_a_constructor, }) } pub fn load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let mut store = store.as_context_mut(); let _ = &mut store; let _instance = instance; let constructor_a_constructor = *_instance .get_typed_func::< (), (wasmtime::component::ResourceAny,), >(&mut store, &self.constructor_a_constructor)? .func(); Ok(Guest { constructor_a_constructor }) } } impl Guest { pub fn a(&self) -> GuestA<'_> { GuestA { funcs: self } } } impl GuestA<'_> { pub async fn call_constructor( &self, mut store: S, ) -> wasmtime::Result where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (), (wasmtime::component::ResourceAny,), >::new_unchecked(self.funcs.constructor_a_constructor) }; let (ret0,) = callee .call_async(store.as_context_mut(), ()) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } } } #[allow(clippy::all)] pub mod export_using_export2 { #[allow(unused_imports)] use wasmtime::component::__internal::{anyhow, Box}; pub type A = super::super::super::super::exports::foo::foo::export_using_export1::A; pub type B = wasmtime::component::ResourceAny; pub struct GuestB<'a> { funcs: &'a Guest, } pub struct Guest { constructor_b_constructor: wasmtime::component::Func, } #[derive(Clone)] pub struct GuestIndices { constructor_b_constructor: 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( component: &wasmtime::component::Component, ) -> wasmtime::Result { let (_, instance) = component .export_index(None, "foo:foo/export-using-export2") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/export-using-export2`" ) })?; Self::_new(|name| { component.export_index(Some(&instance), name).map(|p| p.1) }) } /// This constructor is similar to [`GuestIndices::new`] except that it /// performs string lookups after instantiation time. pub fn new_instance( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let instance_export = instance .get_export(&mut store, None, "foo:foo/export-using-export2") .ok_or_else(|| { anyhow::anyhow!( "no exported instance named `foo:foo/export-using-export2`" ) })?; Self::_new(|name| { instance.get_export(&mut store, Some(&instance_export), name) }) } fn _new( mut lookup: impl FnMut( &str, ) -> Option, ) -> wasmtime::Result { let mut lookup = move |name| { lookup(name) .ok_or_else(|| { anyhow::anyhow!( "instance export `foo:foo/export-using-export2` does \ not have export `{name}`" ) }) }; let _ = &mut lookup; let constructor_b_constructor = lookup("[constructor]b")?; Ok(GuestIndices { constructor_b_constructor, }) } pub fn load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result { let mut store = store.as_context_mut(); let _ = &mut store; let _instance = instance; let constructor_b_constructor = *_instance .get_typed_func::< (wasmtime::component::ResourceAny,), (wasmtime::component::ResourceAny,), >(&mut store, &self.constructor_b_constructor)? .func(); Ok(Guest { constructor_b_constructor }) } } impl Guest { pub fn b(&self) -> GuestB<'_> { GuestB { funcs: self } } } impl GuestB<'_> { pub async fn call_constructor( &self, mut store: S, arg0: wasmtime::component::ResourceAny, ) -> wasmtime::Result where ::Data: Send, { let callee = unsafe { wasmtime::component::TypedFunc::< (wasmtime::component::ResourceAny,), (wasmtime::component::ResourceAny,), >::new_unchecked(self.funcs.constructor_b_constructor) }; let (ret0,) = callee .call_async(store.as_context_mut(), (arg0,)) .await?; callee.post_return_async(store.as_context_mut()).await?; Ok(ret0) } } } } } }