pub enum WorldResource {} pub trait HostWorldResourceWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostWorldResourceWithStore for _T where _T: wasmtime::component::HasData, {} pub trait HostWorldResource { fn new(&mut self) -> wasmtime::component::Resource; fn foo(&mut self, self_: wasmtime::component::Resource) -> (); fn static_foo(&mut self) -> (); fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()>; } impl<_T: HostWorldResource + ?Sized> HostWorldResource for &mut _T { fn new(&mut self) -> wasmtime::component::Resource { HostWorldResource::new(*self) } fn foo(&mut self, self_: wasmtime::component::Resource) -> () { HostWorldResource::foo(*self, self_) } fn static_foo(&mut self) -> () { HostWorldResource::static_foo(*self) } fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()> { HostWorldResource::drop(*self, rep) } } /// 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 { interface1: exports::foo::foo::uses_resource_transitively::GuestIndices, some_world_func2: wasmtime::component::ComponentExportIndex, } /// 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 { interface1: exports::foo::foo::uses_resource_transitively::Guest, some_world_func2: wasmtime::component::Func, } pub trait TheWorldImportsWithStore: wasmtime::component::HasData + HostWorldResourceWithStore {} impl<_T: ?Sized> TheWorldImportsWithStore for _T where _T: wasmtime::component::HasData + HostWorldResourceWithStore, {} pub trait TheWorldImports: HostWorldResource { fn some_world_func(&mut self) -> wasmtime::component::Resource; } impl<_T: TheWorldImports + ?Sized> TheWorldImports for &mut _T { fn some_world_func(&mut self) -> wasmtime::component::Resource { TheWorldImports::some_world_func(*self) } } 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 interface1 = exports::foo::foo::uses_resource_transitively::GuestIndices::new( _instance_pre, )?; let some_world_func2 = { let (item, index) = _component .get_export(None, "some-world-func2") .ok_or_else(|| { wasmtime::format_err!("no export `some-world-func2` found") })?; match item { wasmtime::component::types::ComponentItem::ComponentFunc(func) => { wasmtime::error::Context::context( func .typecheck::< (), (wasmtime::component::Resource,), >(&_instance_type), "type-checking export func `some-world-func2`", )?; index } _ => { Err( wasmtime::format_err!( "export `some-world-func2` is not a function" ), )? } } }; Ok(TheWorldIndices { interface1, some_world_func2, }) } /// 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 interface1 = self.interface1.load(&mut store, &_instance)?; let some_world_func2 = *_instance .get_typed_func::< (), (wasmtime::component::Resource,), >(&mut store, &self.some_world_func2)? .func(); Ok(TheWorld { interface1, some_world_func2, }) } } 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_imports( linker: &mut wasmtime::component::Linker, host_getter: fn(&mut T) -> D::Data<'_>, ) -> wasmtime::Result<()> where D: TheWorldImportsWithStore, for<'a> D::Data<'a>: TheWorldImports, T: 'static, { let mut linker = linker.root(); linker .resource( "world-resource", wasmtime::component::ResourceType::host::(), move |mut store, rep| -> wasmtime::Result<()> { let resource = wasmtime::component::Resource::new_own(rep); wasmtime::ToWasmtimeResult::to_wasmtime_result( HostWorldResource::drop( &mut host_getter(store.data_mut()), resource, ), ) }, )?; linker .func_wrap( "some-world-func", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = TheWorldImports::some_world_func(host); Ok((r,)) }, )?; linker .func_wrap( "[constructor]world-resource", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = HostWorldResource::new(host); Ok((r,)) }, )?; linker .func_wrap( "[method]world-resource.foo", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (wasmtime::component::Resource,)| { let host = &mut host_getter(caller.data_mut()); let r = HostWorldResource::foo(host, arg0); Ok(r) }, )?; linker .func_wrap( "[static]world-resource.static-foo", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = HostWorldResource::static_foo(host); Ok(r) }, )?; Ok(()) } pub fn add_to_linker( linker: &mut wasmtime::component::Linker, host_getter: fn(&mut T) -> D::Data<'_>, ) -> wasmtime::Result<()> where D: foo::foo::resources::HostWithStore + foo::foo::long_use_chain1::HostWithStore + foo::foo::long_use_chain2::HostWithStore + foo::foo::long_use_chain3::HostWithStore + foo::foo::long_use_chain4::HostWithStore + foo::foo::transitive_interface_with_resource::HostWithStore + TheWorldImportsWithStore, for<'a> D::Data< 'a, >: foo::foo::resources::Host + foo::foo::long_use_chain1::Host + foo::foo::long_use_chain2::Host + foo::foo::long_use_chain3::Host + foo::foo::long_use_chain4::Host + foo::foo::transitive_interface_with_resource::Host + TheWorldImports, T: 'static, { Self::add_to_linker_imports::(linker, host_getter)?; foo::foo::resources::add_to_linker::(linker, host_getter)?; foo::foo::long_use_chain1::add_to_linker::(linker, host_getter)?; foo::foo::long_use_chain2::add_to_linker::(linker, host_getter)?; foo::foo::long_use_chain3::add_to_linker::(linker, host_getter)?; foo::foo::long_use_chain4::add_to_linker::(linker, host_getter)?; foo::foo::transitive_interface_with_resource::add_to_linker::< T, D, >(linker, host_getter)?; Ok(()) } pub fn call_some_world_func2( &self, mut store: S, ) -> wasmtime::Result> { let callee = unsafe { wasmtime::component::TypedFunc::< (), (wasmtime::component::Resource,), >::new_unchecked(self.some_world_func2) }; let (ret0,) = callee.call(store.as_context_mut(), ())?; Ok(ret0) } pub fn foo_foo_uses_resource_transitively( &self, ) -> &exports::foo::foo::uses_resource_transitively::Guest { &self.interface1 } } }; pub mod foo { pub mod foo { #[allow(clippy::all)] pub mod resources { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub enum Bar {} pub trait HostBarWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostBarWithStore for _T where _T: wasmtime::component::HasData, {} pub trait HostBar { fn new(&mut self) -> wasmtime::component::Resource; fn static_a(&mut self) -> u32; fn method_a(&mut self, self_: wasmtime::component::Resource) -> u32; fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()>; } impl<_T: HostBar + ?Sized> HostBar for &mut _T { fn new(&mut self) -> wasmtime::component::Resource { HostBar::new(*self) } fn static_a(&mut self) -> u32 { HostBar::static_a(*self) } fn method_a( &mut self, self_: wasmtime::component::Resource, ) -> u32 { HostBar::method_a(*self, self_) } fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()> { HostBar::drop(*self, rep) } } #[derive(wasmtime::component::ComponentType)] #[derive(wasmtime::component::Lift)] #[derive(wasmtime::component::Lower)] #[component(record)] pub struct NestedOwn { #[component(name = "nested-bar")] pub nested_bar: wasmtime::component::Resource, } impl core::fmt::Debug for NestedOwn { fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { f.debug_struct("NestedOwn") .field("nested-bar", &self.nested_bar) .finish() } } const _: () = { assert!( 4 == < NestedOwn as wasmtime::component::ComponentType >::SIZE32 ); assert!( 4 == < NestedOwn as wasmtime::component::ComponentType >::ALIGN32 ); }; #[derive(wasmtime::component::ComponentType)] #[derive(wasmtime::component::Lift)] #[derive(wasmtime::component::Lower)] #[component(record)] pub struct NestedBorrow { #[component(name = "nested-bar")] pub nested_bar: wasmtime::component::Resource, } impl core::fmt::Debug for NestedBorrow { fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { f.debug_struct("NestedBorrow") .field("nested-bar", &self.nested_bar) .finish() } } const _: () = { assert!( 4 == < NestedBorrow as wasmtime::component::ComponentType >::SIZE32 ); assert!( 4 == < NestedBorrow as wasmtime::component::ComponentType >::ALIGN32 ); }; pub type SomeHandle = wasmtime::component::Resource; const _: () = { assert!( 4 == < SomeHandle as wasmtime::component::ComponentType >::SIZE32 ); assert!( 4 == < SomeHandle as wasmtime::component::ComponentType >::ALIGN32 ); }; pub enum Fallible {} pub trait HostFallibleWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostFallibleWithStore for _T where _T: wasmtime::component::HasData, {} pub trait HostFallible { fn new( &mut self, ) -> Result< wasmtime::component::Resource, wasmtime::component::__internal::String, >; fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()>; } impl<_T: HostFallible + ?Sized> HostFallible for &mut _T { fn new( &mut self, ) -> Result< wasmtime::component::Resource, wasmtime::component::__internal::String, > { HostFallible::new(*self) } fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()> { HostFallible::drop(*self, rep) } } pub trait HostWithStore: wasmtime::component::HasData + HostBarWithStore + HostFallibleWithStore {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData + HostBarWithStore + HostFallibleWithStore, {} pub trait Host: HostBar + HostFallible { fn bar_own_arg(&mut self, x: wasmtime::component::Resource) -> (); fn bar_borrow_arg( &mut self, x: wasmtime::component::Resource, ) -> (); fn bar_result(&mut self) -> wasmtime::component::Resource; fn tuple_own_arg( &mut self, x: (wasmtime::component::Resource, u32), ) -> (); fn tuple_borrow_arg( &mut self, x: (wasmtime::component::Resource, u32), ) -> (); fn tuple_result(&mut self) -> (wasmtime::component::Resource, u32); fn option_own_arg( &mut self, x: Option>, ) -> (); fn option_borrow_arg( &mut self, x: Option>, ) -> (); fn option_result( &mut self, ) -> Option>; fn result_own_arg( &mut self, x: Result, ()>, ) -> (); fn result_borrow_arg( &mut self, x: Result, ()>, ) -> (); fn result_result( &mut self, ) -> Result, ()>; fn list_own_arg( &mut self, x: wasmtime::component::__internal::Vec< wasmtime::component::Resource, >, ) -> (); fn list_borrow_arg( &mut self, x: wasmtime::component::__internal::Vec< wasmtime::component::Resource, >, ) -> (); fn list_result( &mut self, ) -> wasmtime::component::__internal::Vec< wasmtime::component::Resource, >; fn record_own_arg(&mut self, x: NestedOwn) -> (); fn record_borrow_arg(&mut self, x: NestedBorrow) -> (); fn record_result(&mut self) -> NestedOwn; fn func_with_handle_typedef(&mut self, x: SomeHandle) -> (); } impl<_T: Host + ?Sized> Host for &mut _T { fn bar_own_arg(&mut self, x: wasmtime::component::Resource) -> () { Host::bar_own_arg(*self, x) } fn bar_borrow_arg( &mut self, x: wasmtime::component::Resource, ) -> () { Host::bar_borrow_arg(*self, x) } fn bar_result(&mut self) -> wasmtime::component::Resource { Host::bar_result(*self) } fn tuple_own_arg( &mut self, x: (wasmtime::component::Resource, u32), ) -> () { Host::tuple_own_arg(*self, x) } fn tuple_borrow_arg( &mut self, x: (wasmtime::component::Resource, u32), ) -> () { Host::tuple_borrow_arg(*self, x) } fn tuple_result(&mut self) -> (wasmtime::component::Resource, u32) { Host::tuple_result(*self) } fn option_own_arg( &mut self, x: Option>, ) -> () { Host::option_own_arg(*self, x) } fn option_borrow_arg( &mut self, x: Option>, ) -> () { Host::option_borrow_arg(*self, x) } fn option_result( &mut self, ) -> Option> { Host::option_result(*self) } fn result_own_arg( &mut self, x: Result, ()>, ) -> () { Host::result_own_arg(*self, x) } fn result_borrow_arg( &mut self, x: Result, ()>, ) -> () { Host::result_borrow_arg(*self, x) } fn result_result( &mut self, ) -> Result, ()> { Host::result_result(*self) } fn list_own_arg( &mut self, x: wasmtime::component::__internal::Vec< wasmtime::component::Resource, >, ) -> () { Host::list_own_arg(*self, x) } fn list_borrow_arg( &mut self, x: wasmtime::component::__internal::Vec< wasmtime::component::Resource, >, ) -> () { Host::list_borrow_arg(*self, x) } fn list_result( &mut self, ) -> wasmtime::component::__internal::Vec< wasmtime::component::Resource, > { Host::list_result(*self) } fn record_own_arg(&mut self, x: NestedOwn) -> () { Host::record_own_arg(*self, x) } fn record_borrow_arg(&mut self, x: NestedBorrow) -> () { Host::record_borrow_arg(*self, x) } fn record_result(&mut self) -> NestedOwn { Host::record_result(*self) } fn func_with_handle_typedef(&mut self, x: SomeHandle) -> () { Host::func_with_handle_typedef(*self, x) } } 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, { let mut inst = linker.instance("foo:foo/resources")?; inst.resource( "bar", wasmtime::component::ResourceType::host::(), move |mut store, rep| -> wasmtime::Result<()> { let resource = wasmtime::component::Resource::new_own(rep); wasmtime::ToWasmtimeResult::to_wasmtime_result( HostBar::drop(&mut host_getter(store.data_mut()), resource), ) }, )?; inst.resource( "fallible", wasmtime::component::ResourceType::host::(), move |mut store, rep| -> wasmtime::Result<()> { let resource = wasmtime::component::Resource::new_own(rep); wasmtime::ToWasmtimeResult::to_wasmtime_result( HostFallible::drop( &mut host_getter(store.data_mut()), resource, ), ) }, )?; inst.func_wrap( "[constructor]bar", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = HostBar::new(host); Ok((r,)) }, )?; inst.func_wrap( "[static]bar.static-a", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = HostBar::static_a(host); Ok((r,)) }, )?; inst.func_wrap( "[method]bar.method-a", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (wasmtime::component::Resource,)| { let host = &mut host_getter(caller.data_mut()); let r = HostBar::method_a(host, arg0); Ok((r,)) }, )?; inst.func_wrap( "bar-own-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (wasmtime::component::Resource,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::bar_own_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "bar-borrow-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (wasmtime::component::Resource,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::bar_borrow_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "bar-result", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::bar_result(host); Ok((r,)) }, )?; inst.func_wrap( "tuple-own-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): ((wasmtime::component::Resource, u32),)| { let host = &mut host_getter(caller.data_mut()); let r = Host::tuple_own_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "tuple-borrow-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): ((wasmtime::component::Resource, u32),)| { let host = &mut host_getter(caller.data_mut()); let r = Host::tuple_borrow_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "tuple-result", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::tuple_result(host); Ok((r,)) }, )?; inst.func_wrap( "option-own-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (Option>,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::option_own_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "option-borrow-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (Option>,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::option_borrow_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "option-result", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::option_result(host); Ok((r,)) }, )?; inst.func_wrap( "result-own-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (Result, ()>,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::result_own_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "result-borrow-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (Result, ()>,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::result_borrow_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "result-result", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::result_result(host); Ok((r,)) }, )?; inst.func_wrap( "list-own-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, ( arg0, ): ( wasmtime::component::__internal::Vec< wasmtime::component::Resource, >, )| { let host = &mut host_getter(caller.data_mut()); let r = Host::list_own_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "list-borrow-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, ( arg0, ): ( wasmtime::component::__internal::Vec< wasmtime::component::Resource, >, )| { let host = &mut host_getter(caller.data_mut()); let r = Host::list_borrow_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "list-result", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::list_result(host); Ok((r,)) }, )?; inst.func_wrap( "record-own-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (NestedOwn,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::record_own_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "record-borrow-arg", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (NestedBorrow,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::record_borrow_arg(host, arg0); Ok(r) }, )?; inst.func_wrap( "record-result", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::record_result(host); Ok((r,)) }, )?; inst.func_wrap( "func-with-handle-typedef", move | mut caller: wasmtime::StoreContextMut<'_, T>, (arg0,): (SomeHandle,)| { let host = &mut host_getter(caller.data_mut()); let r = Host::func_with_handle_typedef(host, arg0); Ok(r) }, )?; inst.func_wrap( "[constructor]fallible", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = HostFallible::new(host); Ok((r,)) }, )?; Ok(()) } } #[allow(clippy::all)] pub mod long_use_chain1 { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub enum A {} pub trait HostAWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostAWithStore for _T where _T: wasmtime::component::HasData, {} pub trait HostA { fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()>; } impl<_T: HostA + ?Sized> HostA for &mut _T { fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()> { HostA::drop(*self, rep) } } pub trait HostWithStore: wasmtime::component::HasData + HostAWithStore {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData + HostAWithStore, {} pub trait Host: HostA {} impl<_T: Host + ?Sized> Host for &mut _T {} 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, { let mut inst = linker.instance("foo:foo/long-use-chain1")?; inst.resource( "a", wasmtime::component::ResourceType::host::(), move |mut store, rep| -> wasmtime::Result<()> { let resource = wasmtime::component::Resource::new_own(rep); wasmtime::ToWasmtimeResult::to_wasmtime_result( HostA::drop(&mut host_getter(store.data_mut()), resource), ) }, )?; Ok(()) } } #[allow(clippy::all)] pub mod long_use_chain2 { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub type A = super::super::super::foo::foo::long_use_chain1::A; pub trait HostWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData, {} pub trait Host {} impl<_T: Host + ?Sized> Host for &mut _T {} 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, { let mut inst = linker.instance("foo:foo/long-use-chain2")?; Ok(()) } } #[allow(clippy::all)] pub mod long_use_chain3 { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub type A = super::super::super::foo::foo::long_use_chain2::A; pub trait HostWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData, {} pub trait Host {} impl<_T: Host + ?Sized> Host for &mut _T {} 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, { let mut inst = linker.instance("foo:foo/long-use-chain3")?; Ok(()) } } #[allow(clippy::all)] pub mod long_use_chain4 { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub type A = super::super::super::foo::foo::long_use_chain3::A; pub trait HostWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData, {} pub trait Host { fn foo(&mut self) -> wasmtime::component::Resource; } impl<_T: Host + ?Sized> Host for &mut _T { fn foo(&mut self) -> wasmtime::component::Resource { Host::foo(*self) } } 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, { let mut inst = linker.instance("foo:foo/long-use-chain4")?; inst.func_wrap( "foo", move |mut caller: wasmtime::StoreContextMut<'_, T>, (): ()| { let host = &mut host_getter(caller.data_mut()); let r = Host::foo(host); Ok((r,)) }, )?; Ok(()) } } #[allow(clippy::all)] pub mod transitive_interface_with_resource { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub enum Foo {} pub trait HostFooWithStore: wasmtime::component::HasData {} impl<_T: ?Sized> HostFooWithStore for _T where _T: wasmtime::component::HasData, {} pub trait HostFoo { fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()>; } impl<_T: HostFoo + ?Sized> HostFoo for &mut _T { fn drop( &mut self, rep: wasmtime::component::Resource, ) -> wasmtime::Result<()> { HostFoo::drop(*self, rep) } } pub trait HostWithStore: wasmtime::component::HasData + HostFooWithStore {} impl<_T: ?Sized> HostWithStore for _T where _T: wasmtime::component::HasData + HostFooWithStore, {} pub trait Host: HostFoo {} impl<_T: Host + ?Sized> Host for &mut _T {} 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, { let mut inst = linker .instance("foo:foo/transitive-interface-with-resource")?; inst.resource( "foo", wasmtime::component::ResourceType::host::(), move |mut store, rep| -> wasmtime::Result<()> { let resource = wasmtime::component::Resource::new_own(rep); wasmtime::ToWasmtimeResult::to_wasmtime_result( HostFoo::drop(&mut host_getter(store.data_mut()), resource), ) }, )?; Ok(()) } } } } pub mod exports { pub mod foo { pub mod foo { #[allow(clippy::all)] pub mod uses_resource_transitively { #[allow(unused_imports)] use wasmtime::component::__internal::Box; pub type Foo = super::super::super::super::foo::foo::transitive_interface_with_resource::Foo; #[derive(Clone)] pub struct Guest { handle: wasmtime::component::Func, } #[derive(Clone)] pub struct GuestIndices { handle: 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/uses-resource-transitively") .ok_or_else(|| { wasmtime::format_err!( "no exported instance named `foo:foo/uses-resource-transitively`" ) })?; let mut lookup = move |name| { _instance_pre .component() .get_export_index(Some(&instance), name) .ok_or_else(|| { wasmtime::format_err!( "instance export `foo:foo/uses-resource-transitively` does \ not have export `{name}`" ) }) }; let _ = &mut lookup; let handle = lookup("handle")?; Ok(GuestIndices { handle }) } 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 handle = *_instance .get_typed_func::< (wasmtime::component::Resource,), (), >(&mut store, &self.handle)? .func(); Ok(Guest { handle }) } } impl Guest { pub fn call_handle( &self, mut store: S, arg0: wasmtime::component::Resource, ) -> wasmtime::Result<()> { let callee = unsafe { wasmtime::component::TypedFunc::< (wasmtime::component::Resource,), (), >::new_unchecked(self.handle) }; let () = callee.call(store.as_context_mut(), (arg0,))?; Ok(()) } } } } } }