T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

wiggle: revamp error type conversions

Browse Source
This commit is contained in:
Pat Hickey
2020-03-27 18:27:17 -07:00
parent 167a040ea5
commit 3e97e5f1ae
14 changed files with 76 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
crates/wiggle/generate/src/funcs.rs
View File

@@ -58,9 +58,10 @@ pub fn define_func(names: &Names, func: &witx::InterfaceFunc) -> TokenStream {
_ => unreachable!("err should always be passed by value"),
};
let err_typename = names.type_ref(&tref, anon_lifetime());
let err_method = names.guest_error_conversion_method(&tref);
quote! {
let e = wiggle::GuestError::InFunc { funcname: #funcname, location: #location, err: Box::new(e.into()) };
let err: #err_typename = wiggle::GuestErrorType::from_error(e, ctx); // XXX replace with conversion method on trait!
let err: #err_typename = GuestErrorConversion::#err_method(ctx, e); // XXX replace with conversion method on trait!
return #abi_ret::from(err);
}
} else {