Files
wasmtime/crates/wasi-nn/src/witx.rs

30 lines
1004 B
Rust

//! Contains the macro-generated implementation of wasi-nn from the its witx definition file.
use crate::ctx::WasiNnCtx;
use crate::ctx::WasiNnError;
// Generate the traits and types of wasi-nn in several Rust modules (e.g. `types`).
wiggle::from_witx!({
witx: ["$WASI_ROOT/phases/ephemeral/witx/wasi_ephemeral_nn.witx"],
errors: { nn_errno => WasiNnError }
});
use types::NnErrno;
impl<'a> types::UserErrorConversion for WasiNnCtx {
fn nn_errno_from_wasi_nn_error(&mut self, e: WasiNnError) -> Result<NnErrno, wiggle::Trap> {
eprintln!("Host error: {:?}", e);
match e {
WasiNnError::BackendError(_) => unimplemented!(),
WasiNnError::GuestError(_) => unimplemented!(),
WasiNnError::UsageError(_) => unimplemented!(),
}
}
}
/// Additionally, we must let Wiggle know which of our error codes represents a successful operation.
impl wiggle::GuestErrorType for NnErrno {
fn success() -> Self {
Self::Success
}
}