🚀 Oak D Parser

Systems Programming with Modern Agility — A high-performance, incremental D parser built on the Oak framework. Optimized for systems programming, performance-critical applications, and modern developer tooling.

🎯 Project Vision

D is a language that combines the power and performance of C++ with the programmer productivity of modern languages like Python and Ruby. oak-d aims to provide a robust, modern, Rust-powered infrastructure for parsing D that is both accurate and incredibly fast. By utilizing Oak's incremental parsing architecture, we enable the creation of highly responsive IDEs, refactoring tools, and static analyzers that can handle large D codebases in real-time.

✨ Core Features

• ⚡ Blazing Fast: Leverages Rust's performance and memory safety to provide sub-millisecond parsing, essential for high-frequency developer tools and real-time analysis.
• 🔄 Incremental by Design: Built-in support for partial updates—re-parse only what changed. Ideal for large-scale D projects where maintainability and tool responsiveness are critical.
• 🌳 High-Fidelity AST: Generates a comprehensive Abstract Syntax Tree capturing the full depth of D:
  • Metaprogramming: Deep support for templates, mixins, and compile-time function execution (CTFE).
  • Object-Oriented & Functional: Precise mapping of classes, interfaces, and functional programming constructs.
  • Memory Management: Awareness of D's various memory management strategies (GC, manual, reference counting).
  • Comments & Whitespace: Retains all trivia, enabling faithful round-trip processing and refactoring.
• 🛡️ Industrial-Grade Fault Tolerance: Engineered to recover from syntax errors gracefully, providing precise diagnostics—crucial for maintaining a smooth developer experience during active coding.
• 🧩 Deep Ecosystem Integration: Seamlessly works with oak-lsp for full LSP support and oak-mcp for intelligent code discovery and analysis.

🏗️ Architecture

The parser follows the Green/Red Tree architecture (inspired by Roslyn), which allows for:

1. Efficient Immutability: Share nodes across different versions of the tree without copying.
2. Lossless Syntax Trees: Retains all trivia (whitespace and comments), enabling faithful code formatting and refactoring.
3. Type Safety: Strongly-typed "Red" nodes provide a convenient and safe API for tree traversal and analysis.

🤝 Contributing

We welcome contributions of all kinds! If you find a bug, have a feature request, or want to contribute code, please check our issues or submit a pull request.