1 /// Auto-generated bindings for a pre-instantiated version of a 2 /// component which implements the world `example`. 3 /// 4 /// This structure is created through [`ExamplePre::new`] which 5 /// takes a [`InstancePre`](wasmtime::component::InstancePre) that 6 /// has been created through a [`Linker`](wasmtime::component::Linker). 7 /// 8 /// For more information see [`Example`] as well. 9 pub struct ExamplePre<T: 'static> { 10 instance_pre: wasmtime::component::InstancePre<T>, 11 indices: ExampleIndices, 12 } 13 impl<T: 'static> Clone for ExamplePre<T> { clone(&self) -> Self14 fn clone(&self) -> Self { 15 Self { 16 instance_pre: self.instance_pre.clone(), 17 indices: self.indices.clone(), 18 } 19 } 20 } 21 impl<_T: 'static> ExamplePre<_T> { 22 /// Creates a new copy of `ExamplePre` bindings which can then 23 /// be used to instantiate into a particular store. 24 /// 25 /// This method may fail if the component behind `instance_pre` 26 /// does not have the required exports. new( instance_pre: wasmtime::component::InstancePre<_T>, ) -> wasmtime::Result<Self>27 pub fn new( 28 instance_pre: wasmtime::component::InstancePre<_T>, 29 ) -> wasmtime::Result<Self> { 30 let indices = ExampleIndices::new(&instance_pre)?; 31 Ok(Self { instance_pre, indices }) 32 } engine(&self) -> &wasmtime::Engine33 pub fn engine(&self) -> &wasmtime::Engine { 34 self.instance_pre.engine() 35 } instance_pre(&self) -> &wasmtime::component::InstancePre<_T>36 pub fn instance_pre(&self) -> &wasmtime::component::InstancePre<_T> { 37 &self.instance_pre 38 } 39 /// Instantiates a new instance of [`Example`] within the 40 /// `store` provided. 41 /// 42 /// This function will use `self` as the pre-instantiated 43 /// instance to perform instantiation. Afterwards the preloaded 44 /// indices in `self` are used to lookup all exports on the 45 /// resulting instance. instantiate( &self, mut store: impl wasmtime::AsContextMut<Data = _T>, ) -> wasmtime::Result<Example>46 pub fn instantiate( 47 &self, 48 mut store: impl wasmtime::AsContextMut<Data = _T>, 49 ) -> wasmtime::Result<Example> { 50 let mut store = store.as_context_mut(); 51 let instance = self.instance_pre.instantiate(&mut store)?; 52 self.indices.load(&mut store, &instance) 53 } 54 } 55 impl<_T: Send + 'static> ExamplePre<_T> { 56 /// Same as [`Self::instantiate`], except with `async`. instantiate_async( &self, mut store: impl wasmtime::AsContextMut<Data = _T>, ) -> wasmtime::Result<Example>57 pub async fn instantiate_async( 58 &self, 59 mut store: impl wasmtime::AsContextMut<Data = _T>, 60 ) -> wasmtime::Result<Example> { 61 let mut store = store.as_context_mut(); 62 let instance = self.instance_pre.instantiate_async(&mut store).await?; 63 self.indices.load(&mut store, &instance) 64 } 65 } 66 /// Auto-generated bindings for index of the exports of 67 /// `example`. 68 /// 69 /// This is an implementation detail of [`ExamplePre`] and can 70 /// be constructed if needed as well. 71 /// 72 /// For more information see [`Example`] as well. 73 #[derive(Clone)] 74 pub struct ExampleIndices { 75 interface0: exports::same::name::this_name_is_duplicated::GuestIndices, 76 } 77 /// Auto-generated bindings for an instance a component which 78 /// implements the world `example`. 79 /// 80 /// This structure can be created through a number of means 81 /// depending on your requirements and what you have on hand: 82 /// 83 /// * The most convenient way is to use 84 /// [`Example::instantiate`] which only needs a 85 /// [`Store`], [`Component`], and [`Linker`]. 86 /// 87 /// * Alternatively you can create a [`ExamplePre`] ahead of 88 /// time with a [`Component`] to front-load string lookups 89 /// of exports once instead of per-instantiation. This 90 /// method then uses [`ExamplePre::instantiate`] to 91 /// create a [`Example`]. 92 /// 93 /// * If you've instantiated the instance yourself already 94 /// then you can use [`Example::new`]. 95 /// 96 /// These methods are all equivalent to one another and move 97 /// around the tradeoff of what work is performed when. 98 /// 99 /// [`Store`]: wasmtime::Store 100 /// [`Component`]: wasmtime::component::Component 101 /// [`Linker`]: wasmtime::component::Linker 102 pub struct Example { 103 interface0: exports::same::name::this_name_is_duplicated::Guest, 104 } 105 const _: () = { 106 impl ExampleIndices { 107 /// Creates a new copy of `ExampleIndices` bindings which can then 108 /// be used to instantiate into a particular store. 109 /// 110 /// This method may fail if the component does not have the 111 /// required exports. new<_T>( _instance_pre: &wasmtime::component::InstancePre<_T>, ) -> wasmtime::Result<Self>112 pub fn new<_T>( 113 _instance_pre: &wasmtime::component::InstancePre<_T>, 114 ) -> wasmtime::Result<Self> { 115 let _component = _instance_pre.component(); 116 let _instance_type = _instance_pre.instance_type(); 117 let interface0 = exports::same::name::this_name_is_duplicated::GuestIndices::new( 118 _instance_pre, 119 )?; 120 Ok(ExampleIndices { interface0 }) 121 } 122 /// Uses the indices stored in `self` to load an instance 123 /// of [`Example`] from the instance provided. 124 /// 125 /// Note that at this time this method will additionally 126 /// perform type-checks of all exports. load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result<Example>127 pub fn load( 128 &self, 129 mut store: impl wasmtime::AsContextMut, 130 instance: &wasmtime::component::Instance, 131 ) -> wasmtime::Result<Example> { 132 let _ = &mut store; 133 let _instance = instance; 134 let interface0 = self.interface0.load(&mut store, &_instance)?; 135 Ok(Example { interface0 }) 136 } 137 } 138 impl Example { 139 /// Convenience wrapper around [`ExamplePre::new`] and 140 /// [`ExamplePre::instantiate`]. instantiate<_T>( store: impl wasmtime::AsContextMut<Data = _T>, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result<Example>141 pub fn instantiate<_T>( 142 store: impl wasmtime::AsContextMut<Data = _T>, 143 component: &wasmtime::component::Component, 144 linker: &wasmtime::component::Linker<_T>, 145 ) -> wasmtime::Result<Example> { 146 let pre = linker.instantiate_pre(component)?; 147 ExamplePre::new(pre)?.instantiate(store) 148 } 149 /// Convenience wrapper around [`ExampleIndices::new`] and 150 /// [`ExampleIndices::load`]. new( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result<Example>151 pub fn new( 152 mut store: impl wasmtime::AsContextMut, 153 instance: &wasmtime::component::Instance, 154 ) -> wasmtime::Result<Example> { 155 let indices = ExampleIndices::new(&instance.instance_pre(&store))?; 156 indices.load(&mut store, instance) 157 } 158 /// Convenience wrapper around [`ExamplePre::new`] and 159 /// [`ExamplePre::instantiate_async`]. instantiate_async<_T>( store: impl wasmtime::AsContextMut<Data = _T>, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result<Example> where _T: Send,160 pub async fn instantiate_async<_T>( 161 store: impl wasmtime::AsContextMut<Data = _T>, 162 component: &wasmtime::component::Component, 163 linker: &wasmtime::component::Linker<_T>, 164 ) -> wasmtime::Result<Example> 165 where 166 _T: Send, 167 { 168 let pre = linker.instantiate_pre(component)?; 169 ExamplePre::new(pre)?.instantiate_async(store).await 170 } same_name_this_name_is_duplicated( &self, ) -> &exports::same::name::this_name_is_duplicated::Guest171 pub fn same_name_this_name_is_duplicated( 172 &self, 173 ) -> &exports::same::name::this_name_is_duplicated::Guest { 174 &self.interface0 175 } 176 } 177 }; 178 pub mod exports { 179 pub mod same { 180 pub mod name { 181 #[allow(clippy::all)] 182 pub mod this_name_is_duplicated { 183 #[allow(unused_imports)] 184 use wasmtime::component::__internal::Box; 185 pub type ThisNameIsDuplicated = wasmtime::component::ResourceAny; 186 pub struct GuestThisNameIsDuplicated<'a> { 187 funcs: &'a Guest, 188 } 189 #[derive(Clone)] 190 pub struct Guest {} 191 #[derive(Clone)] 192 pub struct GuestIndices {} 193 impl GuestIndices { 194 /// Constructor for [`GuestIndices`] which takes a 195 /// [`Component`](wasmtime::component::Component) as input and can be executed 196 /// before instantiation. 197 /// 198 /// This constructor can be used to front-load string lookups to find exports 199 /// within a component. new<_T>( _instance_pre: &wasmtime::component::InstancePre<_T>, ) -> wasmtime::Result<GuestIndices>200 pub fn new<_T>( 201 _instance_pre: &wasmtime::component::InstancePre<_T>, 202 ) -> wasmtime::Result<GuestIndices> { 203 let instance = _instance_pre 204 .component() 205 .get_export_index(None, "same:name/this-name-is-duplicated") 206 .ok_or_else(|| { 207 wasmtime::format_err!( 208 "no exported instance named `same:name/this-name-is-duplicated`" 209 ) 210 })?; 211 let mut lookup = move |name| { 212 _instance_pre 213 .component() 214 .get_export_index(Some(&instance), name) 215 .ok_or_else(|| { 216 wasmtime::format_err!( 217 "instance export `same:name/this-name-is-duplicated` does \ 218 not have export `{name}`" 219 ) 220 }) 221 }; 222 let _ = &mut lookup; 223 Ok(GuestIndices {}) 224 } load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result<Guest>225 pub fn load( 226 &self, 227 mut store: impl wasmtime::AsContextMut, 228 instance: &wasmtime::component::Instance, 229 ) -> wasmtime::Result<Guest> { 230 let _instance = instance; 231 let _instance_pre = _instance.instance_pre(&store); 232 let _instance_type = _instance_pre.instance_type(); 233 let mut store = store.as_context_mut(); 234 let _ = &mut store; 235 Ok(Guest {}) 236 } 237 } 238 impl Guest {} 239 } 240 } 241 } 242 } 243