mii/wasmer
1
0
Fork 0
mirror of https://github.com/mii443/wasmer.git synced 2025-12-03 11:18:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

Move Webassembly objects to Store and remove Context

Browse Source 
Co-authored-by: ptitSeb <sebastien.chev@gmail.com>
Co-authored-by: Manos Pitsidianakis <manos@wasmer.io>
This commit is contained in:
Syrus Akbary
2022-07-08 15:33:29 -07:00
committed by Manos Pitsidianakis
parent b5ae6399ce
commit a419ccdf52
214 changed files with 5800 additions and 5759 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
docs/migration_to_3.0.0.md
View File

@@ -49,7 +49,7 @@ TODO
You need a Store to create a context. Simple context is created using:
```rust
let ctx = Context::new(&store, ());
let ctx = FunctionEnv::new(&mut store, ());
```
For a Context with a custom Env, it will be similar:
@@ -59,7 +59,7 @@ For a Context with a custom Env, it will be similar:
struct Env {
counter: i32,
}
let ctx = Context::new(&store, Env{counter: 0});
let ctx = FunctionEnv::new(&mut store, Env{counter: 0});
```
### Managing imports
@@ -72,7 +72,7 @@ let import_object: Imports = imports! {
"host_function" => host_function,
},
};
let instance = Instance::new(&mut ctx, &module, &import_object).expect("Could not instantiate module.");
let instance = Instance::new(&mut store, &module, &import_object).expect("Could not instantiate module.");
```
You can also build the `Imports` object manually:
@@ -80,18 +80,17 @@ You can also build the `Imports` object manually:
```rust
let mut import_object: Imports = Imports::new();
import_object.define("env", "host_function", host_function);
let instance = Instance::new(&mut ctx, &module, &import_object).expect("Could not instantiate module.");
let instance = Instance::new(&mut store, &module, &import_object).expect("Could not instantiate module.");
```
For WASI, don't forget to import memory to `WasiEnv`
```rust
let mut wasi_env = WasiState::new("hello").finalize()?;
let mut ctx = Context::new(&store, wasi_env.clone());
let import_object = wasi_env.import_object(&mut ctx.as_context_mut(), &module)?;
let instance = Instance::new(&mut ctx, &module, &import_object).expect("Could not instantiate module.");
let import_object = wasi_env.import_object(&mut store, &module)?;
let instance = Instance::new(&mut store, &module, &import_object).expect("Could not instantiate module.");
let memory = instance.exports.get_memory("memory")?;
ctx.data_mut().set_memory(memory.clone());
wasi_env.data_mut(&mut store).set_memory(memory.clone());
```
#### `ChainableNamedResolver` is removed
@@ -122,7 +121,7 @@ let wasm_bytes = wat2wasm(
let compiler_config = Cranelift::default();
let engine = Universal::new(compiler_config).engine();
let store = Store::new(&engine);
let mut store = Store::new(&engine);
let module = Module::new(&store, wasm_bytes)?;
let instance = Instance::new(&module, &imports! {})?;
```
@@ -137,7 +136,7 @@ let wasm_bytes = wat2wasm(
)?;
let compiler_config = Cranelift::default();
let store = Store::new(&compiler_config);
let mut store = Store::new(&compiler_config);
let module = Module::new(&store, wasm_bytes)?;
let instance = Instance::new(&module, &imports! {})?;
```