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use marine::MError;
use thiserror::Error;
use std::io::Error as IOError;
use std::path::PathBuf;
#[derive(Debug, Error)]
pub enum FaaSError {
#[error("InvalidConfig: {0}")]
InvalidConfig(String),
#[error(
"module with name {module_import_name} is specified in config (dir: {modules_dir:?}), \
but not found in provided modules: {provided_modules:?}"
)]
InstantiationError {
module_import_name: String,
modules_dir: Option<PathBuf>,
provided_modules: Vec<String>,
},
#[error("IOError: {0}")]
IOError(String),
#[error("function with name `{0}` is missing")]
MissingFunctionError(String),
#[error(r#"argument with name "{0}" is missing"#)]
MissingArgumentError(String),
#[error(r#"module with name "{0}" is missing"#)]
NoSuchModule(String),
#[error("arguments from json deserialization error: {0}")]
JsonArgumentsDeserializationError(String),
#[error("output to json serialization error: {0}")]
JsonOutputSerializationError(String),
#[error("parsing config error: {0}")]
ParseConfigError(#[from] toml::de::Error),
#[error("engine error: {0}")]
EngineError(#[from] MError),
}
impl From<IOError> for FaaSError {
fn from(err: IOError) -> Self {
FaaSError::IOError(format!("{}", err))
}
}
impl From<std::convert::Infallible> for FaaSError {
fn from(_: std::convert::Infallible) -> Self {
unreachable!()
}
}