mirror of https://codeberg.org/topola/topola.git
44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
// SPDX-FileCopyrightText: 2024 Topola contributors
|
|
//
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
use thiserror::Error;
|
|
|
|
#[derive(Error, Debug)]
|
|
pub enum ParseError {
|
|
#[error("unexpected end of file")]
|
|
Eof,
|
|
#[error(transparent)]
|
|
Io(#[from] std::io::Error),
|
|
|
|
#[error("expected {0}")]
|
|
Expected(&'static str),
|
|
#[error("expected \"({0}\"")]
|
|
ExpectedStartOfList(&'static str),
|
|
#[error("expected one of: {0:?}")]
|
|
ExpectedStartOfListOneOf(&'static [&'static str]),
|
|
#[error("expected \")\"")]
|
|
ExpectedEndOfList,
|
|
#[error("expected leaf value")]
|
|
ExpectedLeaf,
|
|
|
|
#[error("found a space inside a quoted string, but file didn't declare this possibility")]
|
|
UnexpectedSpaceInQuotedStr,
|
|
}
|
|
|
|
impl ParseError {
|
|
pub fn add_context(self, context: (usize, usize)) -> ParseErrorContext {
|
|
ParseErrorContext {
|
|
error: self,
|
|
context,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Error, Debug)]
|
|
#[error("line {}, column {}: {error}", .context.0, .context.1)]
|
|
pub struct ParseErrorContext {
|
|
pub error: ParseError,
|
|
pub context: (usize, usize),
|
|
}
|