fce_wit_parser/
errors.rs

1/*
2 * Copyright 2020 Fluence Labs Limited
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17use wasmer_wit::decoders::wat::Error as WATError;
18use thiserror::Error as ThisError;
19
20use std::io::Error as IOError;
21
22#[derive(Debug, ThisError)]
23pub enum WITParserError {
24    /// WIT section is absent.
25    #[error("the module doesn't contain IT section")]
26    NoITSection,
27
28    /// Multiple WIT sections.
29    #[error("the module contains multiple IT sections that is unsupported")]
30    MultipleITSections,
31
32    /// WIT section remainder isn't empty.
33    #[error("IT section is corrupted: IT section remainder isn't empty")]
34    ITRemainderNotEmpty,
35
36    /// An error occurred while parsing WIT section.
37    #[error(
38        "IT section is corrupted: {0}.\
39    \nProbably the module was compiled with an old version of fce cli, please try to update and recompile.\
40    \nTo update fce run: cargo install fcli --force"
41    )]
42    CorruptedITSection(nom::Err<(Vec<u8>, nom::error::ErrorKind)>),
43
44    /// An error related to incorrect data of wit section.
45    #[error("{0}")]
46    IncorrectITFormat(String),
47
48    /// An error occurred while parsing file in Wat format.
49    #[error("provided file with IT definitions is corrupted: {0}")]
50    CorruptedITFile(#[from] WATError),
51
52    /// An error occurred while parsing Wasm file.
53    #[error("provided Wasm file is corrupted: {0}")]
54    CorruptedWasmFile(anyhow::Error),
55
56    /// An error occurred while manipulating with converting ast to bytes.
57    #[error("Convertation Wast to AST failed with: {0}")]
58    AstToBytesError(#[from] IOError),
59
60    /// Wasm emitting file error.
61    #[error("Emitting resulted Wasm file failed with: {0}")]
62    WasmEmitError(anyhow::Error),
63}
fce_wit_parser/errors.rs

fce_wit_parser/
errors.rs
