clojure_reader/
error.rs

1use core::error;
2use core::fmt::{self, Debug};
3
4pub type Result<T> = core::result::Result<T, Error>;
5
6pub struct Error {
7	/// Error code. This is `non_exhaustive`.
8	pub code: Code,
9	/// Line number, counting from 1.
10	pub line: Option<usize>,
11	/// Column number, counting from 1. The count is utf-8 chars.
12	pub column: Option<usize>,
13	/// This is a pointer offset of the str trying to be parsed, not a utf-8 char offset
14	pub ptr: Option<usize>,
15}
16
17#[derive(Debug, Eq, PartialEq)]
18#[non_exhaustive]
19pub enum Code {
20	/// Elaboration errors
21	HashMapDuplicateKey,
22	SetDuplicateKey,
23
24	/// Parse errors
25	InvalidChar,
26	InvalidEscape,
27	InvalidKeyword,
28	InvalidNumber,
29	InvalidRadix(Option<u8>),
30	InvalidTag,
31	UnexpectedEOF,
32	UnmatchedDelimiter(char),
33
34	/// Feature errors
35	NoFloatFeature,
36
37	/// Serde
38	#[cfg(feature = "serde")]
39	Serde(alloc::string::String),
40}
41
42impl Error {
43	pub(crate) const fn from_position(code: Code, position: crate::parse::Position) -> Self {
44		Self { code, line: Some(position.line), column: Some(position.column), ptr: Some(position.ptr) }
45	}
46}
47
48impl error::Error for Error {}
49
50impl Debug for Error {
51	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
52		write!(
53			f,
54			"EdnError {{ code: {:?}, line: {:?}, column: {:?}, ptr: {:?} }}",
55			self.code, self.line, self.column, self.ptr
56		)
57	}
58}
59
60impl alloc::fmt::Display for Error {
61	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
62		write!(f, "{self:?}")
63	}
64}
clojure_reader/error.rs

clojure_reader/
error.rs
