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feat(c-api) Update wasm_func_call.

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This commit is contained in:
Ivan Enderlin
2020-10-12 11:25:17 +02:00
parent 7f098387e8
commit e9cd710506
1 changed files with 15 additions and 11 deletions
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26
lib/c-api/src/wasm_c_api/externals/function.rs vendored
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@@ -138,21 +138,25 @@ pub unsafe extern "C" fn wasm_func_delete(_func: Option<Box<wasm_func_t>>) {}
#[no_mangle]
pub unsafe extern "C" fn wasm_func_call(
func: &wasm_func_t,
args: *const wasm_val_t,
results: *mut wasm_val_t,
args: &wasm_val_vec_t,
results: &mut wasm_val_vec_t,
) -> Option<Box<wasm_trap_t>> {
let num_params = func.inner.ty().params().len();
let params: Vec<Val> = (0..num_params)
.map(|i| (&(*args.add(i))).try_into())
.collect::<Result<_, _>>()
.ok()?;
let params = args
.into_slice()?
.into_iter()
.map(TryInto::try_into)
.collect::<Result<Vec<Val>, _>>()
.expect("Argument conversion failed");
match func.inner.call(&params) {
Ok(wasm_results) => {
for (i, actual_result) in wasm_results.iter().enumerate() {
let result_loc = &mut (*results.add(i));
*result_loc = (&*actual_result).try_into().ok()?;
}
*results = wasm_results
.into_iter()
.map(TryInto::try_into)
.collect::<Result<Vec<wasm_val_t>, _>>()
.expect("Argument conversion failed")
.into();
None
}
Err(e) => Some(Box::new(e.into())),