cobble/
error.rs

1use ariadne::{Color, Label, Report, ReportKind, Source};
2use thiserror::Error;
3
4#[derive(Debug, Error)]
5pub enum CobbleError {
6    #[error("Parse error")]
7    ParseError(String),
8
9    #[error("IO error: {0}")]
10    IoError(#[from] std::io::Error),
11
12    #[error("Transpilation error: {0}")]
13    TranspileError(String),
14}
15
16pub fn report_error(filename: &str, src: &str, error: &CobbleError) {
17    match error {
18        CobbleError::ParseError(msg) => {
19            Report::build(ReportKind::Error, (filename, 0..1))
20                .with_message("Parse Error")
21                .with_label(
22                    Label::new((filename, 0..1))
23                        .with_message(msg.clone())
24                        .with_color(Color::Red),
25                )
26                .finish()
27                .print((filename, Source::from(src)))
28                .unwrap();
29        }
30        CobbleError::TranspileError(msg) => {
31            Report::build(ReportKind::Error, (filename, 0..1))
32                .with_message("Transpilation Error")
33                .with_label(
34                    Label::new((filename, 0..1))
35                        .with_message(msg.clone())
36                        .with_color(Color::Red),
37                )
38                .finish()
39                .print((filename, Source::from(src)))
40                .unwrap();
41        }
42        CobbleError::IoError(e) => {
43            eprintln!("IO Error: {}", e);
44        }
45    }
46}
47
48/// Report parse errors with ariadne (for token-based parsing)
49pub fn report_parse_errors(filename: &str, src: &str, errors: &[String]) {
50    for error in errors {
51        eprintln!("Parse error in {}: {}", filename, error);
52    }
53
54    // If there's only one error, try to provide a better report
55    if errors.len() == 1 {
56        Report::build(ReportKind::Error, (filename, 0..src.len().min(1)))
57            .with_message("Parse Error")
58            .with_note(&errors[0])
59            .finish()
60            .eprint((filename, Source::from(src)))
61            .ok();
62    }
63}
cobble/error.rs

cobble/
error.rs
