Sha256: 5f3d829e8f4eeb7f014f5db5699e74c283a3aff2e49fc002594498d1ad0c720e
Contents?: true
Size: 1.13 KB
Versions: 12
Compression:
Stored size: 1.13 KB
Contents
use std::path::Path;
use wasi_common::WasiCtx;
use wasmtime::*;
pub fn create_instance(module_name: &str) -> (Store<WasiCtx>, Instance) {
let wasi = deterministic_wasi_ctx::build_wasi_ctx();
let engine = Engine::default();
let mut linker = Linker::new(&engine);
wasi_common::sync::add_to_linker(&mut linker, |s| s).unwrap();
let module_path = Path::new("../../target/wasm32-wasi/debug").join(module_name);
let module = Module::from_file(&engine, module_path).unwrap();
let mut store = Store::new(&engine, wasi);
linker.module(&mut store, "", &module).unwrap();
let instance = linker.instantiate(&mut store, &module).unwrap();
(store, instance)
}
pub fn invoke_func<Params, Results>(
mut store: Store<WasiCtx>,
instance: Instance,
func_name: &str,
params: Params,
) -> Results
where
Params: WasmParams,
Results: WasmResults,
{
let answer = instance
.get_func(&mut store, func_name)
.unwrap_or_else(|| panic!("`{}` was not an exported function", func_name));
let answer = answer.typed::<Params, Results>(&store).unwrap();
answer.call(&mut store, params).unwrap()
}
Version data entries
12 entries across 12 versions & 1 rubygems