normalize_languages/
fish.rs

1//! Fish shell language support.
2
3use crate::{Import, Language, LanguageSymbols};
4use tree_sitter::Node;
5
6/// Fish shell language support.
7pub struct Fish;
8
9impl Language for Fish {
10    fn name(&self) -> &'static str {
11        "Fish"
12    }
13    fn extensions(&self) -> &'static [&'static str] {
14        &["fish"]
15    }
16    fn grammar_name(&self) -> &'static str {
17        "fish"
18    }
19
20    fn as_symbols(&self) -> Option<&dyn LanguageSymbols> {
21        Some(self)
22    }
23
24    fn extract_imports(&self, node: &Node, content: &str) -> Vec<Import> {
25        if node.kind() != "command" {
26            return Vec::new();
27        }
28
29        let text = &content[node.byte_range()];
30        if !text.starts_with("source ") {
31            return Vec::new();
32        }
33
34        let module = text.strip_prefix("source ").map(|s| s.trim().to_string());
35
36        if let Some(module) = module {
37            return vec![Import {
38                module,
39                names: Vec::new(),
40                alias: None,
41                is_wildcard: false,
42                is_relative: true,
43                line: node.start_position().row + 1,
44            }];
45        }
46
47        Vec::new()
48    }
49
50    fn format_import(&self, import: &Import, _names: Option<&[&str]>) -> String {
51        // Fish: source file
52        format!("source {}", import.module)
53    }
54
55    fn is_test_symbol(&self, symbol: &crate::Symbol) -> bool {
56        let name = symbol.name.as_str();
57        match symbol.kind {
58            crate::SymbolKind::Function | crate::SymbolKind::Method => name.starts_with("test_"),
59            crate::SymbolKind::Module => name == "tests" || name == "test",
60            _ => false,
61        }
62    }
63}
64
65impl LanguageSymbols for Fish {}
66
67#[cfg(test)]
68mod tests {
69    use super::*;
70    use crate::validate_unused_kinds_audit;
71
72    #[test]
73    fn unused_node_kinds_audit() {
74        #[rustfmt::skip]
75        let documented_unused: &[&str] = &[
76            "else_clause", "negated_statement", "redirect_statement", "return",
77            // control flow — not extracted as symbols
78            "begin_statement",
79            "switch_statement",
80            "for_statement",
81            "case_clause",
82            "if_statement",
83            "else_if_clause",
84            "while_statement",
85        ];
86        validate_unused_kinds_audit(&Fish, documented_unused)
87            .expect("Fish unused node kinds audit failed");
88    }
89}
normalize_languages/fish.rs

normalize_languages/
fish.rs
