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use crate::error::{ChainProcessError, ProgramPanic};
use std::fmt;
/// Errors that can occur during program execution.
///
/// This enum represents the various error conditions that may arise
/// when executing a program, including missing dispatchers/renderers,
/// panics, and other miscellaneous errors.
#[derive(Debug)]
pub enum ProgramExecuteError {
/// No dispatcher was found to handle the program execution.
DispatcherNotFound,
/// No renderer was found for the given name.
RendererNotFound(String),
/// The program encountered a panic during execution.
Panic(ProgramPanic),
/// An other error occurred.
Other(String),
}
impl fmt::Display for ProgramExecuteError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
ProgramExecuteError::DispatcherNotFound => write!(f, "No Dispatcher Found"),
ProgramExecuteError::RendererNotFound(s) => {
write!(f, "No Renderer (`{s}`) Found")
}
ProgramExecuteError::Panic(p) => write!(f, "Panic: {p:?}"),
ProgramExecuteError::Other(s) => write!(f, "Other error: {s}"),
}
}
}
impl std::error::Error for ProgramExecuteError {}
impl From<ProgramPanic> for ProgramExecuteError {
fn from(value: ProgramPanic) -> Self {
ProgramExecuteError::Panic(value)
}
}
/// Errors that can occur during internal program execution.
///
/// This enum represents error conditions that arise specifically within
/// the internal execution pipeline of a program, including missing
/// dispatchers/renderers, I/O errors, and other miscellaneous failures.
/// These errors are typically not exposed directly to the end user but
/// are used internally and can be converted into [`ProgramExecuteError`].
#[derive(Debug)]
pub enum ProgramInternalExecuteError {
/// No dispatcher was found to handle the program execution.
DispatcherNotFound,
/// No renderer was found for the given name.
RendererNotFound(String),
/// An other internal error occurred.
Other(String),
/// A single REPL execution failed
REPLPanic(ProgramPanic),
/// An I/O error occurred during execution.
IO(std::io::Error),
}
impl fmt::Display for ProgramInternalExecuteError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
ProgramInternalExecuteError::DispatcherNotFound => {
write!(f, "No Dispatcher Found")
}
ProgramInternalExecuteError::RendererNotFound(s) => {
write!(f, "No Renderer (`{s}`) Found")
}
ProgramInternalExecuteError::Other(s) => write!(f, "Other error: {s}"),
ProgramInternalExecuteError::IO(e) => write!(f, "IO error: {e}"),
ProgramInternalExecuteError::REPLPanic(panic) => {
write!(f, "A single REPL execution failed: {panic}")
}
}
}
}
impl std::error::Error for ProgramInternalExecuteError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
ProgramInternalExecuteError::IO(e) => Some(e),
_ => None,
}
}
}
impl From<std::io::Error> for ProgramInternalExecuteError {
fn from(e: std::io::Error) -> Self {
ProgramInternalExecuteError::IO(e)
}
}
impl From<ProgramInternalExecuteError> for ProgramExecuteError {
fn from(value: ProgramInternalExecuteError) -> Self {
match value {
ProgramInternalExecuteError::DispatcherNotFound => {
ProgramExecuteError::DispatcherNotFound
}
ProgramInternalExecuteError::RendererNotFound(s) => {
ProgramExecuteError::RendererNotFound(s)
}
ProgramInternalExecuteError::Other(s) => ProgramExecuteError::Other(s),
ProgramInternalExecuteError::IO(e) => ProgramExecuteError::Other(format!("{e}")),
ProgramInternalExecuteError::REPLPanic(p) => {
ProgramExecuteError::Other(format!("A single REPL execution failed: {p}"))
}
}
}
}
impl From<ChainProcessError> for ProgramInternalExecuteError {
fn from(value: ChainProcessError) -> Self {
match value {
ChainProcessError::Other(s) => ProgramInternalExecuteError::Other(s),
ChainProcessError::IO(error) => ProgramInternalExecuteError::IO(error),
}
}
}
|
