wasmer_artifact/
error.rs

1//! The WebAssembly possible errors
2use std::io;
3use thiserror::Error;
4use wasmer_compiler::CompileError;
5use wasmer_types::ExternType;
6
7/// The Serialize error can occur when serializing a
8/// compiled Module into a binary.
9#[derive(Error, Debug)]
10pub enum SerializeError {
11    /// An IO error
12    #[error(transparent)]
13    Io(#[from] io::Error),
14    /// A generic serialization error
15    #[error("{0}")]
16    Generic(String),
17}
18
19/// The Deserialize error can occur when loading a
20/// compiled Module from a binary.
21#[derive(Error, Debug)]
22pub enum DeserializeError {
23    /// An IO error
24    #[error(transparent)]
25    Io(#[from] io::Error),
26    /// A generic deserialization error
27    #[error("{0}")]
28    Generic(String),
29    /// Incompatible serialized binary
30    #[error("incompatible binary: {0}")]
31    Incompatible(String),
32    /// The provided binary is corrupted
33    #[error("corrupted binary: {0}")]
34    CorruptedBinary(String),
35    /// The binary was valid, but we got an error when
36    /// trying to allocate the required resources.
37    #[error(transparent)]
38    Compiler(CompileError),
39}
40
41/// An ImportError.
42///
43/// Note: this error is not standard to WebAssembly, but it's
44/// useful to determine the import issue on the API side.
45#[derive(Error, Debug)]
46pub enum ImportError {
47    /// Incompatible Import Type.
48    /// This error occurs when the import types mismatch.
49    #[error("incompatible import type. Expected {0:?} but received {1:?}")]
50    IncompatibleType(ExternType, ExternType),
51
52    /// Unknown Import.
53    /// This error occurs when an import was expected but not provided.
54    #[error("unknown import. Expected {0:?}")]
55    UnknownImport(ExternType),
56}
57
58/// An error while preinstantiating a module.
59///
60#[derive(Error, Debug)]
61pub enum PreInstantiationError {
62    /// The module was compiled with a CPU feature that is not available on
63    /// the current host.
64    #[error("module compiled with CPU feature that is missing from host")]
65    CpuFeature(String),
66}
wasmer_artifact/error.rs

wasmer_artifact/
error.rs
