Files
marine/engine/src/host_imports/errors.rs

51 lines
1.6 KiB
Rust

/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use super::WType;
use super::WValue;
use it_lilo::lifter::LiError;
use it_lilo::lowerer::LoError;
use it_lilo::traits::RecordResolvableError;
use thiserror::Error as ThisError;
#[derive(Debug, ThisError)]
pub enum HostImportError {
/// An error occurred when host functions tries to lift IValues from WValues
/// and the latter has different type.
#[error(
"Expected {0} type, but found {1:?} value during interface values lifting from Wasm memory"
)]
MismatchWValues(WType, WValue),
/// An error occurred when a host functions tries to lift IValues from WValues
/// and the latter is not enough for that.
#[error("Not enough WValue arguments are provided from the Wasm side")]
MismatchWValuesCount,
#[error("{0}")]
LifterError(#[from] LiError),
#[error("{0}")]
LowererError(#[from] LoError),
#[error("{0}")]
RecordNotFound(#[from] RecordResolvableError),
#[error("{0}")]
InvalidUTF8String(#[from] std::string::FromUtf8Error),
}