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normalize_languages/
vb.rs

1//! Visual Basic language support.
2
3use crate::{ContainerBody, Import, Language, LanguageSymbols, Visibility};
4use tree_sitter::Node;
5
6/// Visual Basic language support.
7pub struct VB;
8
9impl Language for VB {
10    fn name(&self) -> &'static str {
11        "Visual Basic"
12    }
13    fn extensions(&self) -> &'static [&'static str] {
14        &["vb", "vbs"]
15    }
16    fn grammar_name(&self) -> &'static str {
17        "vb"
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() != "imports_statement" {
26            return Vec::new();
27        }
28
29        let text = &content[node.byte_range()];
30        vec![Import {
31            module: text.trim().to_string(),
32            names: Vec::new(),
33            alias: None,
34            is_wildcard: false,
35            is_relative: false,
36            line: node.start_position().row + 1,
37        }]
38    }
39
40    fn format_import(&self, import: &Import, _names: Option<&[&str]>) -> String {
41        // Visual Basic: Imports Namespace
42        format!("Imports {}", import.module)
43    }
44
45    fn get_visibility(&self, node: &Node, content: &str) -> Visibility {
46        let text = &content[node.byte_range()];
47        let lower = text.to_lowercase();
48        if lower.contains("private") {
49            Visibility::Private
50        } else if lower.contains("protected") {
51            Visibility::Protected
52        } else {
53            Visibility::Public
54        }
55    }
56
57    fn is_test_symbol(&self, symbol: &crate::Symbol) -> bool {
58        let name = symbol.name.as_str();
59        match symbol.kind {
60            crate::SymbolKind::Function | crate::SymbolKind::Method => name.starts_with("test_"),
61            crate::SymbolKind::Module => name == "tests" || name == "test",
62            _ => false,
63        }
64    }
65
66    fn test_file_globs(&self) -> &'static [&'static str] {
67        &["**/*Test.vb", "**/*Tests.vb"]
68    }
69
70    fn container_body<'a>(&self, node: &'a Node<'a>) -> Option<Node<'a>> {
71        node.child_by_field_name("body")
72    }
73
74    fn analyze_container_body(
75        &self,
76        body_node: &Node,
77        content: &str,
78        inner_indent: &str,
79    ) -> Option<ContainerBody> {
80        crate::body::analyze_end_body(body_node, content, inner_indent)
81    }
82}
83
84impl LanguageSymbols for VB {}
85
86#[cfg(test)]
87mod tests {
88    use super::*;
89    use crate::validate_unused_kinds_audit;
90
91    #[test]
92    fn unused_node_kinds_audit() {
93        #[rustfmt::skip]
94        let documented_unused: &[&str] = &[
95            // Block types
96            "namespace_block",
97            // Declaration types
98            "field_declaration", "constructor_declaration", "event_declaration",
99            "type_declaration", "const_declaration", "enum_member",
100            // Statement types
101            "statement", "assignment_statement", "compound_assignment_statement",
102            "call_statement", "dim_statement", "redim_statement", "re_dim_clause",
103            "exit_statement", "continue_statement", "return_statement", "goto_statement",
104            "label_statement", "throw_statement", "empty_statement",
105            // Control flow
106            "try_statement", "catch_block", "finally_block",
107            "case_block", "case_else_block", "else_clause", "elseif_clause",
108            "with_statement", "with_initializer",
109            "using_statement", "sync_lock_statement",
110            // Expression types
111            "expression", "binary_expression", "unary_expression", "ternary_expression",
112            "parenthesized_expression", "lambda_expression", "new_expression",
113            // Type-related
114            "type", "generic_type", "array_type", "primitive_type",
115            "type_parameters", "type_parameter", "type_constraint",
116            "type_argument_list", "array_rank_specifier",
117            // Clauses
118            "as_clause", "inherits_clause", "implements_clause",
119            // Modifiers
120            "modifier", "modifiers",
121            // Event handlers
122            "add_handler_block", "remove_handler_block", "raise_event_block",
123            // Other
124            "identifier", "attribute_block", "option_statements",
125            "relational_operator", "lambda_parameter",
126            // control flow — not extracted as symbols
127            "case_clause",
128            "while_statement",
129            "for_statement",
130            "for_each_statement",
131            "imports_statement",
132            "do_statement",
133            "if_statement",
134            "select_case_statement",
135        ];
136        validate_unused_kinds_audit(&VB, documented_unused)
137            .expect("Visual Basic unused node kinds audit failed");
138    }
139}