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+# Perl Support for Tree-sitter
+
+This implementation adds Perl language support to the tree-sitter codebase indexing feature.
+
+## Implementation Status
+
+✅ **Completed:**
+
+- Added Perl file extensions (.pl, .pm, .pod, .t) to supported extensions
+- Created comprehensive Perl query patterns for tree-sitter parsing
+- Added Perl language parser configuration in languageParser.ts
+- Created test suite for Perl parsing
+- Added sample Perl fixture for testing
+
+⚠️ **Pending:**
+
+- The `tree-sitter-perl.wasm` file needs to be added to `src/dist/`
+
+## Missing WASM File
+
+The tree-sitter-perl WASM file is not available via npm package manager and needs to be built from source.
+
+### How to obtain tree-sitter-perl.wasm:
+
+1. Clone the tree-sitter-perl repository:
+
+    ```bash
+    git clone https://github.com/tree-sitter-grammars/tree-sitter-perl
+    ```
+
+2. Build the WASM file using tree-sitter CLI:
+
+    ```bash
+    cd tree-sitter-perl
+    npm install
+    npx tree-sitter build-wasm
+    ```
+
+3. Copy the generated `tree-sitter-perl.wasm` file to `src/dist/`
+
+## Testing
+
+Once the WASM file is in place, you can run the tests:
+
+```bash
+cd src
+npx vitest run services/tree-sitter/__tests__/parseSourceCodeDefinitions.perl.spec.ts
+```
+
+## Supported Perl Constructs
+
+The implementation supports parsing of:
+
+- Package declarations
+- Subroutine definitions (including prototypes and attributes)
+- Variable declarations (my, our, local, state)
+- Constants
+- Use and require statements
+- BEGIN, END, CHECK, INIT, UNITCHECK blocks
+- AUTOLOAD and DESTROY special subroutines
+- Regular expressions (match, substitution, transliteration)
+- Format declarations
+- Labels
+- POD documentation blocks
+- Anonymous subroutines
+- Moose/Moo style attributes (has declarations)