feat(native): port Verilog extractor to Rust

crates/codegraph-core/Cargo.toml

@@ -35,6 +35,7 @@ tree-sitter-dart = "0.0.4"
 tree-sitter-zig = "1"
 tree-sitter-haskell = "0.23"
 tree-sitter-ocaml = "0.24"
+tree-sitter-verilog = "1.0.3"
 rayon = "1"
 ignore = "0.4"
 globset = "0.4"

crates/codegraph-core/src/extractors/helpers.rs

@@ -360,6 +360,23 @@ pub const OCAML_AST_CONFIG: LangAstConfig = LangAstConfig {
     string_prefixes: &[],
 };
 
+/// Verilog/SystemVerilog AST config.
+///
+/// The WASM-side `AST_TYPE_MAPS` (in `src/ast-analysis/rules/index.ts`) has no
+/// `verilog` entry, so the JS engine emits no `ast_nodes` rows for Verilog
+/// files. Keeping every list empty produces the same outcome here: the generic
+/// walker visits every node but classifies none, so nothing is pushed. If the
+/// JS map ever grows a Verilog entry, mirror it here.
+pub const VERILOG_AST_CONFIG: LangAstConfig = LangAstConfig {
+    new_types: &[],
+    throw_types: &[],
+    await_types: &[],
+    string_types: &[],
+    regex_types: &[],
+    quote_chars: &['"'],
+    string_prefixes: &[],
+};
+
 // ── Generic AST node walker ──────────────────────────────────────────────────
 
 /// Node types that represent identifiers across languages.

crates/codegraph-core/src/extractors/mod.rs

@@ -19,6 +19,7 @@ pub mod ruby;
 pub mod rust_lang;
 pub mod scala;
 pub mod swift;
+pub mod verilog;
 pub mod zig;
 
 use crate::parser_registry::LanguageKind;
@@ -126,5 +127,8 @@ pub fn extract_symbols_with_opts(
         LanguageKind::Ocaml | LanguageKind::OcamlInterface => {
             ocaml::OcamlExtractor.extract_with_opts(tree, source, file_path, include_ast_nodes)
         }
+        LanguageKind::Verilog => {
+            verilog::VerilogExtractor.extract_with_opts(tree, source, file_path, include_ast_nodes)
+        }
     }
 }