1 /// Auto-generated bindings for a pre-instantiated version of a 2 /// component which implements the world `the-world`. 3 /// 4 /// This structure is created through [`TheWorldPre::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 [`TheWorld`] as well. 9 pub struct TheWorldPre<T: 'static> { 10 instance_pre: wasmtime::component::InstancePre<T>, 11 indices: TheWorldIndices, 12 } 13 impl<T: 'static> Clone for TheWorldPre<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> TheWorldPre<_T> { 22 /// Creates a new copy of `TheWorldPre` 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 = TheWorldIndices::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 [`TheWorld`] 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<TheWorld>46 pub fn instantiate( 47 &self, 48 mut store: impl wasmtime::AsContextMut<Data = _T>, 49 ) -> wasmtime::Result<TheWorld> { 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> TheWorldPre<_T> { 56 /// Same as [`Self::instantiate`], except with `async`. instantiate_async( &self, mut store: impl wasmtime::AsContextMut<Data = _T>, ) -> wasmtime::Result<TheWorld>57 pub async fn instantiate_async( 58 &self, 59 mut store: impl wasmtime::AsContextMut<Data = _T>, 60 ) -> wasmtime::Result<TheWorld> { 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 /// `the-world`. 68 /// 69 /// This is an implementation detail of [`TheWorldPre`] and can 70 /// be constructed if needed as well. 71 /// 72 /// For more information see [`TheWorld`] as well. 73 #[derive(Clone)] 74 pub struct TheWorldIndices { 75 interface0: exports::foo::foo::simple::GuestIndices, 76 } 77 /// Auto-generated bindings for an instance a component which 78 /// implements the world `the-world`. 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 /// [`TheWorld::instantiate`] which only needs a 85 /// [`Store`], [`Component`], and [`Linker`]. 86 /// 87 /// * Alternatively you can create a [`TheWorldPre`] 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 [`TheWorldPre::instantiate`] to 91 /// create a [`TheWorld`]. 92 /// 93 /// * If you've instantiated the instance yourself already 94 /// then you can use [`TheWorld::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 TheWorld { 103 interface0: exports::foo::foo::simple::Guest, 104 } 105 const _: () = { 106 impl TheWorldIndices { 107 /// Creates a new copy of `TheWorldIndices` 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::foo::foo::simple::GuestIndices::new( 118 _instance_pre, 119 )?; 120 Ok(TheWorldIndices { interface0 }) 121 } 122 /// Uses the indices stored in `self` to load an instance 123 /// of [`TheWorld`] 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<TheWorld>127 pub fn load( 128 &self, 129 mut store: impl wasmtime::AsContextMut, 130 instance: &wasmtime::component::Instance, 131 ) -> wasmtime::Result<TheWorld> { 132 let _ = &mut store; 133 let _instance = instance; 134 let interface0 = self.interface0.load(&mut store, &_instance)?; 135 Ok(TheWorld { interface0 }) 136 } 137 } 138 impl TheWorld { 139 /// Convenience wrapper around [`TheWorldPre::new`] and 140 /// [`TheWorldPre::instantiate`]. instantiate<_T>( store: impl wasmtime::AsContextMut<Data = _T>, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result<TheWorld>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<TheWorld> { 146 let pre = linker.instantiate_pre(component)?; 147 TheWorldPre::new(pre)?.instantiate(store) 148 } 149 /// Convenience wrapper around [`TheWorldIndices::new`] and 150 /// [`TheWorldIndices::load`]. new( mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result<TheWorld>151 pub fn new( 152 mut store: impl wasmtime::AsContextMut, 153 instance: &wasmtime::component::Instance, 154 ) -> wasmtime::Result<TheWorld> { 155 let indices = TheWorldIndices::new(&instance.instance_pre(&store))?; 156 indices.load(&mut store, instance) 157 } 158 /// Convenience wrapper around [`TheWorldPre::new`] and 159 /// [`TheWorldPre::instantiate_async`]. instantiate_async<_T>( store: impl wasmtime::AsContextMut<Data = _T>, component: &wasmtime::component::Component, linker: &wasmtime::component::Linker<_T>, ) -> wasmtime::Result<TheWorld> 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<TheWorld> 165 where 166 _T: Send, 167 { 168 let pre = linker.instantiate_pre(component)?; 169 TheWorldPre::new(pre)?.instantiate_async(store).await 170 } add_to_linker<T, D>( linker: &mut wasmtime::component::Linker<T>, host_getter: fn(&mut T) -> D::Data<'_>, ) -> wasmtime::Result<()> where D: foo::foo::simple::HostWithStore + Send, for<'a> D::Data<'a>: foo::foo::simple::Host + Send, T: 'static + Send,171 pub fn add_to_linker<T, D>( 172 linker: &mut wasmtime::component::Linker<T>, 173 host_getter: fn(&mut T) -> D::Data<'_>, 174 ) -> wasmtime::Result<()> 175 where 176 D: foo::foo::simple::HostWithStore + Send, 177 for<'a> D::Data<'a>: foo::foo::simple::Host + Send, 178 T: 'static + Send, 179 { 180 foo::foo::simple::add_to_linker::<T, D>(linker, host_getter)?; 181 Ok(()) 182 } foo_foo_simple(&self) -> &exports::foo::foo::simple::Guest183 pub fn foo_foo_simple(&self) -> &exports::foo::foo::simple::Guest { 184 &self.interface0 185 } 186 } 187 }; 188 pub mod foo { 189 pub mod foo { 190 #[allow(clippy::all)] 191 pub mod simple { 192 #[allow(unused_imports)] 193 use wasmtime::component::__internal::Box; 194 pub trait HostWithStore: wasmtime::component::HasData + Send { f1<T: Send>( accessor: &wasmtime::component::Accessor<T, Self>, ) -> impl ::core::future::Future<Output = ()> + Send195 fn f1<T: Send>( 196 accessor: &wasmtime::component::Accessor<T, Self>, 197 ) -> impl ::core::future::Future<Output = ()> + Send; f2<T: Send>( accessor: &wasmtime::component::Accessor<T, Self>, a: u32, ) -> impl ::core::future::Future<Output = ()> + Send198 fn f2<T: Send>( 199 accessor: &wasmtime::component::Accessor<T, Self>, 200 a: u32, 201 ) -> impl ::core::future::Future<Output = ()> + Send; f3<T: Send>( accessor: &wasmtime::component::Accessor<T, Self>, a: u32, b: u32, ) -> impl ::core::future::Future<Output = ()> + Send202 fn f3<T: Send>( 203 accessor: &wasmtime::component::Accessor<T, Self>, 204 a: u32, 205 b: u32, 206 ) -> impl ::core::future::Future<Output = ()> + Send; f4<T: Send>( accessor: &wasmtime::component::Accessor<T, Self>, ) -> impl ::core::future::Future<Output = u32> + Send207 fn f4<T: Send>( 208 accessor: &wasmtime::component::Accessor<T, Self>, 209 ) -> impl ::core::future::Future<Output = u32> + Send; f5<T: Send>( accessor: &wasmtime::component::Accessor<T, Self>, ) -> impl ::core::future::Future<Output = (u32, u32)> + Send210 fn f5<T: Send>( 211 accessor: &wasmtime::component::Accessor<T, Self>, 212 ) -> impl ::core::future::Future<Output = (u32, u32)> + Send; f6<T: Send>( accessor: &wasmtime::component::Accessor<T, Self>, a: u32, b: u32, c: u32, ) -> impl ::core::future::Future<Output = (u32, u32, u32)> + Send213 fn f6<T: Send>( 214 accessor: &wasmtime::component::Accessor<T, Self>, 215 a: u32, 216 b: u32, 217 c: u32, 218 ) -> impl ::core::future::Future<Output = (u32, u32, u32)> + Send; 219 } 220 pub trait Host: Send {} 221 impl<_T: Host + ?Sized + Send> Host for &mut _T {} add_to_linker<T, D>( linker: &mut wasmtime::component::Linker<T>, host_getter: fn(&mut T) -> D::Data<'_>, ) -> wasmtime::Result<()> where D: HostWithStore, for<'a> D::Data<'a>: Host, T: 'static + Send,222 pub fn add_to_linker<T, D>( 223 linker: &mut wasmtime::component::Linker<T>, 224 host_getter: fn(&mut T) -> D::Data<'_>, 225 ) -> wasmtime::Result<()> 226 where 227 D: HostWithStore, 228 for<'a> D::Data<'a>: Host, 229 T: 'static + Send, 230 { 231 let mut inst = linker.instance("foo:foo/simple")?; 232 inst.func_wrap_concurrent( 233 "f1", 234 move |caller: &wasmtime::component::Accessor<T>, (): ()| { 235 wasmtime::component::__internal::Box::pin(async move { 236 let host = &caller.with_getter(host_getter); 237 let r = <D as HostWithStore>::f1(host).await; 238 Ok(r) 239 }) 240 }, 241 )?; 242 inst.func_wrap_concurrent( 243 "f2", 244 move |caller: &wasmtime::component::Accessor<T>, (arg0,): (u32,)| { 245 wasmtime::component::__internal::Box::pin(async move { 246 let host = &caller.with_getter(host_getter); 247 let r = <D as HostWithStore>::f2(host, arg0).await; 248 Ok(r) 249 }) 250 }, 251 )?; 252 inst.func_wrap_concurrent( 253 "f3", 254 move | 255 caller: &wasmtime::component::Accessor<T>, 256 (arg0, arg1): (u32, u32)| 257 { 258 wasmtime::component::__internal::Box::pin(async move { 259 let host = &caller.with_getter(host_getter); 260 let r = <D as HostWithStore>::f3(host, arg0, arg1).await; 261 Ok(r) 262 }) 263 }, 264 )?; 265 inst.func_wrap_concurrent( 266 "f4", 267 move |caller: &wasmtime::component::Accessor<T>, (): ()| { 268 wasmtime::component::__internal::Box::pin(async move { 269 let host = &caller.with_getter(host_getter); 270 let r = <D as HostWithStore>::f4(host).await; 271 Ok((r,)) 272 }) 273 }, 274 )?; 275 inst.func_wrap_concurrent( 276 "f5", 277 move |caller: &wasmtime::component::Accessor<T>, (): ()| { 278 wasmtime::component::__internal::Box::pin(async move { 279 let host = &caller.with_getter(host_getter); 280 let r = <D as HostWithStore>::f5(host).await; 281 Ok((r,)) 282 }) 283 }, 284 )?; 285 inst.func_wrap_concurrent( 286 "f6", 287 move | 288 caller: &wasmtime::component::Accessor<T>, 289 (arg0, arg1, arg2): (u32, u32, u32)| 290 { 291 wasmtime::component::__internal::Box::pin(async move { 292 let host = &caller.with_getter(host_getter); 293 let r = <D as HostWithStore>::f6(host, arg0, arg1, arg2) 294 .await; 295 Ok((r,)) 296 }) 297 }, 298 )?; 299 Ok(()) 300 } 301 } 302 } 303 } 304 pub mod exports { 305 pub mod foo { 306 pub mod foo { 307 #[allow(clippy::all)] 308 pub mod simple { 309 #[allow(unused_imports)] 310 use wasmtime::component::__internal::Box; 311 #[derive(Clone)] 312 pub struct Guest { 313 f1: wasmtime::component::Func, 314 f2: wasmtime::component::Func, 315 f3: wasmtime::component::Func, 316 f4: wasmtime::component::Func, 317 f5: wasmtime::component::Func, 318 f6: wasmtime::component::Func, 319 } 320 #[derive(Clone)] 321 pub struct GuestIndices { 322 f1: wasmtime::component::ComponentExportIndex, 323 f2: wasmtime::component::ComponentExportIndex, 324 f3: wasmtime::component::ComponentExportIndex, 325 f4: wasmtime::component::ComponentExportIndex, 326 f5: wasmtime::component::ComponentExportIndex, 327 f6: wasmtime::component::ComponentExportIndex, 328 } 329 impl GuestIndices { 330 /// Constructor for [`GuestIndices`] which takes a 331 /// [`Component`](wasmtime::component::Component) as input and can be executed 332 /// before instantiation. 333 /// 334 /// This constructor can be used to front-load string lookups to find exports 335 /// within a component. new<_T>( _instance_pre: &wasmtime::component::InstancePre<_T>, ) -> wasmtime::Result<GuestIndices>336 pub fn new<_T>( 337 _instance_pre: &wasmtime::component::InstancePre<_T>, 338 ) -> wasmtime::Result<GuestIndices> { 339 let instance = _instance_pre 340 .component() 341 .get_export_index(None, "foo:foo/simple") 342 .ok_or_else(|| { 343 wasmtime::format_err!( 344 "no exported instance named `foo:foo/simple`" 345 ) 346 })?; 347 let mut lookup = move |name| { 348 _instance_pre 349 .component() 350 .get_export_index(Some(&instance), name) 351 .ok_or_else(|| { 352 wasmtime::format_err!( 353 "instance export `foo:foo/simple` does \ 354 not have export `{name}`" 355 ) 356 }) 357 }; 358 let _ = &mut lookup; 359 let f1 = lookup("f1")?; 360 let f2 = lookup("f2")?; 361 let f3 = lookup("f3")?; 362 let f4 = lookup("f4")?; 363 let f5 = lookup("f5")?; 364 let f6 = lookup("f6")?; 365 Ok(GuestIndices { 366 f1, 367 f2, 368 f3, 369 f4, 370 f5, 371 f6, 372 }) 373 } load( &self, mut store: impl wasmtime::AsContextMut, instance: &wasmtime::component::Instance, ) -> wasmtime::Result<Guest>374 pub fn load( 375 &self, 376 mut store: impl wasmtime::AsContextMut, 377 instance: &wasmtime::component::Instance, 378 ) -> wasmtime::Result<Guest> { 379 let _instance = instance; 380 let _instance_pre = _instance.instance_pre(&store); 381 let _instance_type = _instance_pre.instance_type(); 382 let mut store = store.as_context_mut(); 383 let _ = &mut store; 384 let f1 = *_instance 385 .get_typed_func::<(), ()>(&mut store, &self.f1)? 386 .func(); 387 let f2 = *_instance 388 .get_typed_func::<(u32,), ()>(&mut store, &self.f2)? 389 .func(); 390 let f3 = *_instance 391 .get_typed_func::<(u32, u32), ()>(&mut store, &self.f3)? 392 .func(); 393 let f4 = *_instance 394 .get_typed_func::<(), (u32,)>(&mut store, &self.f4)? 395 .func(); 396 let f5 = *_instance 397 .get_typed_func::<(), ((u32, u32),)>(&mut store, &self.f5)? 398 .func(); 399 let f6 = *_instance 400 .get_typed_func::< 401 (u32, u32, u32), 402 ((u32, u32, u32),), 403 >(&mut store, &self.f6)? 404 .func(); 405 Ok(Guest { f1, f2, f3, f4, f5, f6 }) 406 } 407 } 408 impl Guest { call_f1<_T, _D>( &self, accessor: &wasmtime::component::Accessor<_T, _D>, ) -> wasmtime::Result<()> where _T: Send, _D: wasmtime::component::HasData,409 pub async fn call_f1<_T, _D>( 410 &self, 411 accessor: &wasmtime::component::Accessor<_T, _D>, 412 ) -> wasmtime::Result<()> 413 where 414 _T: Send, 415 _D: wasmtime::component::HasData, 416 { 417 let callee = unsafe { 418 wasmtime::component::TypedFunc::< 419 (), 420 (), 421 >::new_unchecked(self.f1) 422 }; 423 let () = callee.call_concurrent(accessor, ()).await?; 424 Ok(()) 425 } call_f2<_T, _D>( &self, accessor: &wasmtime::component::Accessor<_T, _D>, arg0: u32, ) -> wasmtime::Result<()> where _T: Send, _D: wasmtime::component::HasData,426 pub async fn call_f2<_T, _D>( 427 &self, 428 accessor: &wasmtime::component::Accessor<_T, _D>, 429 arg0: u32, 430 ) -> wasmtime::Result<()> 431 where 432 _T: Send, 433 _D: wasmtime::component::HasData, 434 { 435 let callee = unsafe { 436 wasmtime::component::TypedFunc::< 437 (u32,), 438 (), 439 >::new_unchecked(self.f2) 440 }; 441 let () = callee.call_concurrent(accessor, (arg0,)).await?; 442 Ok(()) 443 } call_f3<_T, _D>( &self, accessor: &wasmtime::component::Accessor<_T, _D>, arg0: u32, arg1: u32, ) -> wasmtime::Result<()> where _T: Send, _D: wasmtime::component::HasData,444 pub async fn call_f3<_T, _D>( 445 &self, 446 accessor: &wasmtime::component::Accessor<_T, _D>, 447 arg0: u32, 448 arg1: u32, 449 ) -> wasmtime::Result<()> 450 where 451 _T: Send, 452 _D: wasmtime::component::HasData, 453 { 454 let callee = unsafe { 455 wasmtime::component::TypedFunc::< 456 (u32, u32), 457 (), 458 >::new_unchecked(self.f3) 459 }; 460 let () = callee.call_concurrent(accessor, (arg0, arg1)).await?; 461 Ok(()) 462 } call_f4<_T, _D>( &self, accessor: &wasmtime::component::Accessor<_T, _D>, ) -> wasmtime::Result<u32> where _T: Send, _D: wasmtime::component::HasData,463 pub async fn call_f4<_T, _D>( 464 &self, 465 accessor: &wasmtime::component::Accessor<_T, _D>, 466 ) -> wasmtime::Result<u32> 467 where 468 _T: Send, 469 _D: wasmtime::component::HasData, 470 { 471 let callee = unsafe { 472 wasmtime::component::TypedFunc::< 473 (), 474 (u32,), 475 >::new_unchecked(self.f4) 476 }; 477 let (ret0,) = callee.call_concurrent(accessor, ()).await?; 478 Ok(ret0) 479 } call_f5<_T, _D>( &self, accessor: &wasmtime::component::Accessor<_T, _D>, ) -> wasmtime::Result<(u32, u32)> where _T: Send, _D: wasmtime::component::HasData,480 pub async fn call_f5<_T, _D>( 481 &self, 482 accessor: &wasmtime::component::Accessor<_T, _D>, 483 ) -> wasmtime::Result<(u32, u32)> 484 where 485 _T: Send, 486 _D: wasmtime::component::HasData, 487 { 488 let callee = unsafe { 489 wasmtime::component::TypedFunc::< 490 (), 491 ((u32, u32),), 492 >::new_unchecked(self.f5) 493 }; 494 let (ret0,) = callee.call_concurrent(accessor, ()).await?; 495 Ok(ret0) 496 } call_f6<_T, _D>( &self, accessor: &wasmtime::component::Accessor<_T, _D>, arg0: u32, arg1: u32, arg2: u32, ) -> wasmtime::Result<(u32, u32, u32)> where _T: Send, _D: wasmtime::component::HasData,497 pub async fn call_f6<_T, _D>( 498 &self, 499 accessor: &wasmtime::component::Accessor<_T, _D>, 500 arg0: u32, 501 arg1: u32, 502 arg2: u32, 503 ) -> wasmtime::Result<(u32, u32, u32)> 504 where 505 _T: Send, 506 _D: wasmtime::component::HasData, 507 { 508 let callee = unsafe { 509 wasmtime::component::TypedFunc::< 510 (u32, u32, u32), 511 ((u32, u32, u32),), 512 >::new_unchecked(self.f6) 513 }; 514 let (ret0,) = callee 515 .call_concurrent(accessor, (arg0, arg1, arg2)) 516 .await?; 517 Ok(ret0) 518 } 519 } 520 } 521 } 522 } 523 } 524