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TOPOLOGY.md — lustreiser

Purpose

lustreiser generates verified real-time embedded code via Lustre. Lustre (Caspi and Halbwachs, Grenoble) is a synchronous dataflow language used in safety-critical domains including avionics (SCADE), nuclear control, and automotive systems. lustreiser reads control logic descriptions from a lustreiser.toml manifest and generates deterministic, bounded-execution-time C code via Lustre intermediate representation. It targets embedded systems engineers who need provably correct, race-free real-time control logic without writing Lustre directly.

Module Map

lustreiser/
├── src/
│   ├── main.rs                    # CLI entry point (clap): init, validate, generate, build, run, info
│   ├── lib.rs                     # Library API
│   ├── manifest/mod.rs            # lustreiser.toml parser
│   ├── codegen/mod.rs             # Lustre (.lus) and C code generation
│   └── abi/                       # Idris2 ABI bridge stubs
├── examples/                      # Worked examples
├── verification/                  # Proof harnesses
├── container/                     # Stapeln container ecosystem
└── .machine_readable/             # A2ML metadata

Data Flow

lustreiser.toml manifest
        │
   ┌────▼────┐
   │ Manifest │  parse + validate control logic node definitions
   │  Parser  │
   └────┬────┘
        │  validated synchronous dataflow config
   ┌────▼────┐
   │ Analyser │  check clock consistency, bounded execution constraints
   └────┬────┘
        │  intermediate representation
   ┌────▼────┐
   │ Codegen  │  emit generated/lustreiser/ (.lus Lustre source + deterministic C)
   └────┬────┘
        │  Lustre + C artifacts
   ┌────▼────┐
   │  Lustre  │  synchronous compiler → bounded-time C for embedded target
   └─────────┘