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use anyhow::*;
use wasm_component_layer::*;
// The bytes of the component.
const WASM: &[u8] = include_bytes!("func_param/component.wasm");
pub fn main() {
let engine = Engine::new(wasmi_runtime_layer::Engine::default());
let mut store = Store::new(&engine, ());
let component = Component::new(&engine, WASM).unwrap();
let mut linker = Linker::default();
let host_interface = linker
.define_instance("test:guest/host".try_into().unwrap())
.unwrap();
host_interface
.define_func(
"param-list",
Func::new(
&mut store,
FuncType::new([ValueType::List(ListType::new(ValueType::S16))], []),
move |_, params, _results| {
println!("[HostLog] param-list.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-record",
Func::new(
&mut store,
FuncType::new(
[ValueType::Variant(
VariantType::new(
None,
[
VariantCase::new("open", None),
VariantCase::new("close", Some(ValueType::U64)),
VariantCase::new(
"click",
Some(ValueType::Variant(
VariantType::new(
None,
[
VariantCase::new("up", None),
VariantCase::new("press", Some(ValueType::U8)),
VariantCase::new("down", None),
],
)
.unwrap(),
)),
),
],
)
.unwrap(),
)],
[],
),
move |_, params, _| {
println!("[HostLog] param-record.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-option",
Func::new(
&mut store,
FuncType::new([ValueType::Option(OptionType::new(ValueType::U16))], []),
move |_, params, _results| {
println!("[HostLog] param-option.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-result-all",
Func::new(
&mut store,
FuncType::new(
[ValueType::Result(ResultType::new(
Some(ValueType::U8),
Some(ValueType::U8),
))],
[],
),
move |_, params, _results| {
println!("[HostLog] param-result-all.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-result-ok",
Func::new(
&mut store,
FuncType::new(
[ValueType::Result(ResultType::new(
Some(ValueType::U8),
None,
))],
[],
),
move |_, params, _results| {
println!("[HostLog] param-result-ok.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-result-err",
Func::new(
&mut store,
FuncType::new(
[ValueType::Result(ResultType::new(
None,
Some(ValueType::U8),
))],
[],
),
move |_, params, _results| {
println!("[HostLog] param-result-err.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-result-none",
Func::new(
&mut store,
FuncType::new([ValueType::Result(ResultType::new(None, None))], []),
move |_, params, _results| {
println!("[HostLog] param-result-none.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
host_interface
.define_func(
"param-mult",
Func::new(
&mut store,
FuncType::new(
[
ValueType::List(ListType::new(ValueType::String)),
ValueType::Variant(
VariantType::new(
None,
[
VariantCase::new("open", None),
VariantCase::new("close", Some(ValueType::U64)),
VariantCase::new(
"click",
Some(ValueType::Variant(
VariantType::new(
None,
[
VariantCase::new("up", None),
VariantCase::new("press", Some(ValueType::U8)),
VariantCase::new("down", None),
],
)
.unwrap(),
)),
),
],
)
.unwrap(),
),
ValueType::Option(OptionType::new(ValueType::String)),
ValueType::Result(ResultType::new(
Some(ValueType::String),
Some(ValueType::String),
)),
],
[],
),
move |_, params, _results| {
println!("[HostLog] param-mult.params");
println!(" └ {:?}", params);
Ok(())
},
),
)
.unwrap();
linker
.instantiate(&mut store, &component)
.unwrap()
.exports()
.instance(&"test:guest/run".try_into().unwrap())
.unwrap()
.func("start")
.unwrap()
.typed::<(), ()>()
.unwrap()
.call(&mut store, ())
.unwrap();
}