harper-core 2.0.0

The language checker for developers.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

use crate::{
    Lint, Token, TokenStringExt,
    expr::{Expr, SequenceExpr},
    linting::{ExprLinter, LintKind, Suggestion, debug::format_lint_match, expr_linter::Chunk},
};

pub struct ExprLinterSkeleton {
    expr: SequenceExpr,
}

impl Default for ExprLinterSkeleton {
    fn default() -> Self {
        Self {
            expr: SequenceExpr::any_capitalization_of("erorr"),
        }
    }
}

impl ExprLinter for ExprLinterSkeleton {
    type Unit = Chunk;

    fn match_to_lint_with_context(
        &self,
        matched_tokens: &[Token],
        source: &[char],
        context: Option<(&[Token], &[Token])>,
    ) -> Option<Lint> {
        eprintln!("🚨 {}", format_lint_match(matched_tokens, context, source));
        let span = matched_tokens.span()?;
        let lint_kind = LintKind::Miscellaneous;
        let suggestions = vec![Suggestion::replace_with_match_case_str(
            "correction",
            span.get_content(source),
        )];
        let message = "Fix this erorr".to_string();
        Some(Lint {
            span,
            lint_kind,
            suggestions,
            message,
            ..Default::default()
        })
    }

    fn expr(&self) -> &dyn Expr {
        &self.expr
    }

    fn description(&self) -> &str {
        "A linter skeleton for contributors to copy into `harper_core/src/linting/` and rename."
    }
}

#[cfg(test)]
mod tests {
    use crate::linting::tests::assert_suggestion_result;

    use super::ExprLinterSkeleton;

    #[test]
    fn test_skeleton() {
        assert_suggestion_result("erorr", ExprLinterSkeleton::default(), "correction");
    }
}