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use itertools::Itertools;
use crate::{GPosIdx, Id, WithPos};
pub type CalyxResult<T> = std::result::Result<T, Error>;
#[derive(Clone)]
pub struct Error {
kind: Box<ErrorKind>,
pos: GPosIdx,
annotations: Vec<(GPosIdx, String)>,
post_msg: Option<String>,
}
pub struct MultiError {
errors: Vec<Error>,
}
impl From<Vec<Error>> for MultiError {
fn from(errors: Vec<Error>) -> Self {
MultiError { errors }
}
}
impl std::fmt::Debug for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
if self.pos == GPosIdx::UNKNOWN {
write!(f, "{}", self.kind)?
} else {
write!(f, "{}", self.pos.format(self.kind.to_string()))?;
for (other_pos, msg) in &self.annotations {
write!(f, "\n...\n{}", other_pos.format_raw(msg))?;
}
}
if let Some(post) = &self.post_msg {
write!(f, "\n{}", post)?;
}
Ok(())
}
}
impl std::fmt::Debug for MultiError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let errors = self.errors.iter().map(|e| format!("{e:?}")).join("\n\n");
write!(f, "{errors}")
}
}
impl Error {
pub fn with_pos<T: WithPos>(mut self, pos: &T) -> Self {
self.pos = pos.copy_span();
self
}
pub fn with_annotation<T: WithPos, S: ToString>(
mut self,
pos: &T,
msg: S,
) -> Self {
self.annotations.push((pos.copy_span(), msg.to_string()));
self
}
pub fn with_annotations<T: WithPos, S: ToString>(
mut self,
pos_iter: impl Iterator<Item = (T, S)>,
) -> Self {
self.annotations.extend(
pos_iter.map(|(pos, msg)| (pos.copy_span(), msg.to_string())),
);
self
}
pub fn with_post_msg(mut self, msg: Option<String>) -> Self {
self.post_msg = msg;
self
}
pub fn reserved_name(name: Id) -> Self {
Self {
kind: Box::new(ErrorKind::ReservedName(name)),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn malformed_control<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::MalformedControl(msg.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn malformed_structure<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::MalformedStructure(msg.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn pass_assumption<S: ToString, M: ToString>(pass: S, msg: M) -> Self {
Self {
kind: Box::new(ErrorKind::PassAssumption(
pass.to_string(),
msg.to_string(),
)),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn undefined<S: ToString>(name: Id, typ: S) -> Self {
Self {
kind: Box::new(ErrorKind::Undefined(name, typ.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn already_bound<S: ToString>(name: Id, typ: S) -> Self {
Self {
kind: Box::new(ErrorKind::AlreadyBound(name, typ.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn unused<S: ToString>(group: Id, typ: S) -> Self {
Self {
kind: Box::new(ErrorKind::Unused(group, typ.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn papercut<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::Papercut(msg.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn misc<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::Misc(msg.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn parse_error<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::Parse),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: Some(msg.to_string()),
}
}
pub fn invalid_file<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::InvalidFile(msg.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn write_error<S: ToString>(msg: S) -> Self {
Self {
kind: Box::new(ErrorKind::WriteError(msg.to_string())),
pos: GPosIdx::UNKNOWN,
annotations: vec![],
post_msg: None,
}
}
pub fn location(&self) -> (&str, usize, usize) {
self.pos.get_location()
}
pub fn message(&self) -> String {
self.kind.to_string()
}
pub fn annotations(&self) -> Vec<(String, usize, usize)> {
self.annotations
.iter()
.map(|(pos, msg)| {
let (_, s, e) = pos.get_location();
(msg.to_string(), s, e)
})
.collect()
}
}
#[derive(Clone)]
enum ErrorKind {
ReservedName(Id),
MalformedControl(String),
MalformedStructure(String),
PassAssumption(String, String),
Undefined(Id, String),
AlreadyBound(Id, String),
Unused(Id, String),
Papercut(String),
Parse,
Misc(String),
InvalidFile(String),
WriteError(String),
}
impl std::fmt::Display for ErrorKind {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
use ErrorKind::*;
match self {
Papercut(msg) => {
write!(f, "[Papercut] {}", msg)
}
Unused(name, typ) => {
write!(f, "Unused {typ} `{name}'")
}
AlreadyBound(name, bound_by) => {
write!(f, "Name `{name}' already bound by {bound_by}")
}
ReservedName(name) => {
write!(f, "Use of reserved keyword: {name}")
}
Undefined(name, typ) => {
write!(f, "Undefined {typ} name: {name}")
}
MalformedControl(msg) => write!(f, "Malformed Control: {msg}"),
PassAssumption(pass, msg) => {
write!(f, "Pass `{pass}` assumption violated: {msg}")
}
MalformedStructure(msg) => {
write!(f, "Malformed Structure: {msg}")
}
Parse => {
write!(f, "Parse error")
}
InvalidFile(msg) | WriteError(msg) | Misc(msg) => {
write!(f, "{msg}")
}
}
}
}
impl From<std::str::Utf8Error> for Error {
fn from(err: std::str::Utf8Error) -> Self {
Error::invalid_file(err.to_string())
}
}
impl From<std::io::Error> for Error {
fn from(e: std::io::Error) -> Self {
Error::write_error(format!("IO Error: {}", e))
}
}
impl From<serde_json::Error> for Error {
fn from(e: serde_json::Error) -> Self {
Error::write_error(format!("serde_json Error: {}", e))
}
}
impl From<std::str::Utf8Error> for MultiError {
fn from(value: std::str::Utf8Error) -> Self {
MultiError {
errors: vec![value.into()],
}
}
}
impl From<std::io::Error> for MultiError {
fn from(value: std::io::Error) -> Self {
MultiError {
errors: vec![value.into()],
}
}
}
impl From<serde_json::Error> for MultiError {
fn from(value: serde_json::Error) -> Self {
MultiError {
errors: vec![value.into()],
}
}
}
impl From<Error> for MultiError {
fn from(value: Error) -> Self {
MultiError {
errors: vec![value],
}
}
}