38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
Rust
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use std::process;
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use ron::error::Position;
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pub fn report_serde_json_err(src: &str, err: serde_json::Error) -> ! {
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report_serde_err(src, err.line(), err.column(), err.to_string())
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}
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pub fn report_serde_ron_err(src: &str, err: ron::error::SpannedError) -> ! {
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let Position { line, col } = err.position;
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report_serde_err(src, line, col, err.to_string())
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}
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pub fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {
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use ariadne::{Label, Report, Source};
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let offset = try_reconstruct_loc(src, line, col);
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Report::build(ariadne::ReportKind::Error, "test", offset)
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.with_label(Label::new(("test", offset..offset)).with_message("Something went wrong here!"))
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.with_message(msg)
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.with_note("We'd like to give better errors, but serde errors are horrible to work with...")
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.finish()
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.print(("test", Source::from(src)))
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.unwrap();
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process::exit(1);
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}
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fn try_reconstruct_loc(src: &str, line_nr: usize, col_nr: usize) -> usize {
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let (line_nr, col_nr) = (line_nr - 1, col_nr - 1);
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src.lines()
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.enumerate()
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.fold(0, |acc, (i, line)| match i.cmp(&line_nr) {
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std::cmp::Ordering::Less => acc + line.len() + 1,
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std::cmp::Ordering::Equal => acc + col_nr,
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std::cmp::Ordering::Greater => acc,
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})
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}
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