PatchLang

A domain-specific language for describing signal flow in broadcast and live production environments. Human-readable, git-diffable, LLM-friendly.

template Rio3224 {
  meta { manufacturer: "Yamaha"  model: "Rio3224"  category: "Stagebox" }
  ports {
    Dante_Pri: io(etherCON) [Dante, primary]
    Mic_In[1..32]: in(XLR)
    Line_Out[1..16]: out(XLR)
  }
  bridge Mic_In -> Dante_Pri
}

instance Stage_Left is Rio3224 { location: "Stage Left Wing" }
connect Stage_Left.Dante_Pri -> FOH.Dante_Pri { cable: "Cat6a"  length: "30m" }
bridge Stage_Left.Mic_In[1..32] -> FOH.Dante_Ch[1..32]

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Documentation

Getting Started

• Installation – Rust library, CLI, WASM, and Python bindings
• Quick Start – Parse your first .patch file in 5 minutes

Language Reference

• Language Specification – Complete EBNF grammar and syntax reference
• Examples – Real-world .patch files for worship venues, broadcast trucks, and more

Integration

• WebAssembly – Use PatchLang in the browser or Node.js
• Python – Use PatchLang in Django or any Python project
• CLI – Command-line validation and AST output

Project Links

• GitHub Repository
• SignalCanvas – The infinite-canvas signal flow tool that uses PatchLang
• Language Spec (SPEC.md)