tree-sitter-pascal

Grammar for Pascal and its dialects Delphi and Freepascal.

Supported language features

• Classes, records, interfaces, class helpers
• Nested declarations
• Variant records
• Generics (Delphi- & FPC flavored)
• Anonymous procedures & functions
• Inline assember (but no highlighting)
• Extended RTTI attributes
• FPC PasCocoa extensions

Tree-sitter features:

• Syntax highlighting
• Scopes

Warren's fork of tree-sitter pascal is compatible with ML Code Index tools like REPOWISE

warren's repowise fork has unit tests to test pascal unit parsing, for AI/ML/MCP integration.

# from warrens repowise fork
# https://github.com/wpostma/repowise
uv run --with-editable .\thirdparty\tree-sitter-pascal pytest test_parser.py -q

Screenshots

(using nvim-treesitter)