Update to Wasmtime 7 (#543)

* Update to Wasmtime 7

* Fix trait names for 7.0.0

Author: alexcrichton

Cargo.lock

@@ -71,6 +71,6 @@ go = ['dep:wit-bindgen-go']
 
 [dev-dependencies]
 heck = { workspace = true }
-wasmtime = { version = "6", features = ['component-model'] }
+wasmtime = { version = "7", features = ['component-model'] }
 test-artifacts = { path = 'crates/test-rust-wasm/artifacts' }
 wit-parser = { workspace = true }

Cargo.toml

@@ -9,7 +9,7 @@ pub struct MyImports {
     errored: bool,
 }
 
-impl imports::Imports for MyImports {
+impl imports::Host for MyImports {
     fn f_list_in_record1(&mut self, ty: imports::ListInRecord1Result) -> Result<()> {
         assert_eq!(ty.a, "list_in_record1");
         Ok(())

tests/runtime/flavorful.rs

@@ -8,7 +8,7 @@ use imports::*;
 #[derive(Default)]
 pub struct MyImports;
 
-impl Imports for MyImports {
+impl Host for MyImports {
     fn empty_list_param(&mut self, a: Vec<u8>) -> Result<()> {
         assert_eq!(a, []);
         Ok(())

tests/runtime/lists.rs

@@ -24,7 +24,7 @@ wasmtime::component::bindgen!("testwasi" in "crates/wasi_snapshot_preview1/wit")
 #[derive(Default)]
 struct Wasi<T>(T);
 
-impl<T> testwasi::Testwasi for Wasi<T> {
+impl<T> testwasi::Host for Wasi<T> {
     fn log(&mut self, bytes: Vec<u8>) -> Result<()> {
         std::io::stdout().write_all(&bytes)?;
         Ok(())

tests/runtime/main.rs

@@ -6,7 +6,7 @@ wasmtime::component::bindgen!("world" in "tests/runtime/many_arguments");
 #[derive(Default)]
 pub struct MyImports {}
 
-impl imports::Imports for MyImports {
+impl imports::Host for MyImports {
     fn many_arguments(
         &mut self,
         a1: u64,

tests/runtime/many_arguments.rs

@@ -8,7 +8,7 @@ pub struct MyImports {
     scalar: u32,
 }
 
-impl imports::Imports for MyImports {
+impl imports::Host for MyImports {
     fn roundtrip_u8(&mut self, val: u8) -> Result<u8> {
         Ok(val)
     }

tests/runtime/numbers.rs

@@ -6,7 +6,7 @@ wasmtime::component::bindgen!("world" in "tests/runtime/records");
 #[derive(Default)]
 pub struct MyImports;
 
-impl imports::Imports for MyImports {
+impl imports::Host for MyImports {
     fn multiple_results(&mut self) -> Result<(u8, u16)> {
         Ok((4, 5))
     }

tests/runtime/records.rs

@@ -8,7 +8,7 @@ pub struct MyImports {
     hit: bool,
 }
 
-impl imports::Imports for MyImports {
+impl imports::Host for MyImports {
     fn thunk(&mut self) -> Result<()> {
         self.hit = true;
         println!("in the host");

tests/runtime/smoke.rs

@@ -6,7 +6,7 @@ wasmtime::component::bindgen!("world" in "tests/runtime/strings");
 #[derive(Default)]
 pub struct MyImports;
 
-impl imports::Imports for MyImports {
+impl imports::Host for MyImports {
     fn take_basic(&mut self, s: String) -> Result<()> {
         assert_eq!(s, "latin utf16");
         Ok(())