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# Bara Lang
<div align="center">
# 🔥 Bara Lang
> A Clojure dialect that compiles to Nim → C → native binaries.
> Zero JVM. Zero Java. Pure native performance.
| | JVM Clojure | **Bara Lang** |
|---|---|---|
| JVM required | ❌ | ✅ No |
| GraalVM/native-image | ❌ | ✅ No |
| Google Closure Compiler | ❌ | ✅ No |
| Java stdlib dependency | ❌ | ✅ No |
| Startup time | ❌ Slow (JVM warmup) | ✅ Instant |
| Binary size | ❌ 50MB+ | ✅ < 1MB |
[![Version](https://img.shields.io/badge/version-0.1.0-blue)](cljnim.nimble)
[![Tests](https://img.shields.io/badge/tests-276%2B-green)]()
[![Nim](https://img.shields.io/badge/nim-%3E%3D2.0-blue)](https://nim-lang.org)
[![License](https://img.shields.io/badge/license-MIT-yellow)](LICENSE)
[![Pipeline](https://gitlab.com/balvatar/lisp-nim/badges/main/pipeline.svg)](https://gitlab.com/balvatar/lisp-nim/-/pipelines)
[![Coverage](https://img.shields.io/badge/coverage-clojure--test--suite-blue)](docs/en/07-clojure-test-suite.md)
[![Tests](https://img.shields.io/badge/tests-276%2B-green)]() [![Nim](https://img.shields.io/badge/nim-%3E%3D2.0-blue)]() [![License](https://img.shields.io/badge/license-MIT-yellow)]()
</div>
## Quick Start
## ⚡ Why Bara Lang?
| | JVM Clojure | ClojureScript | Babashka | **Bara Lang** |
|---|---|---|---|---|
| JVM required | ✅ Yes | ❌ No | ❌ No | ✅ **No** |
| GraalVM/native-image | ❌ Needed | ❌ No | ✅ Required | ✅ **No** |
| Google Closure Compiler | ❌ No | ✅ Required | ❌ No | ✅ **No** |
| Java stdlib dependency | ✅ Full | ✅ Heavy | ✅ Medium | ✅ **None** |
| Startup time | ❌ Slow | ⚡ Fast | ⚡ Fast | ⚡ **Instant** |
| Binary size | ❌ 50MB+ | ❌ ~MB | ❌ ~MB | ✅ **< 1MB** |
| Native speed | ❌ JIT | ❌ VM | ✅ AOT | ✅ **C-speed** |
| FFI | ❌ JNI/C | ❌ JS | ❌ Limited | ✅ **Nim/C native** |
Bara Lang is an **AI-first** Clojure implementation targeting the Nim ecosystem. It compiles Clojure source directly to Nim, then to C, and finally to a native binary.
**Unlike every other Clojure dialect, Bara Lang has zero dependency on the Java ecosystem.**
## 🚀 Quick Start
```bash
git clone https://gitlab.com/balvatar/lisp-nim.git
@@ -23,37 +41,32 @@ make check
./cljnim run examples/hello.clj
```
## Documentation
```clojure
;; examples/hello.clj
(println "Hello, native world!")
```
- **[English](docs/en/index.md)** — Getting started, architecture, AI integration, API reference
- **[Български](docs/bg/index.md)** — Първи стъпки, архитектура, AI интеграция, API справочник
- **[Clojure Test Suite](docs/en/07-clojure-test-suite.md)** — Cross-dialect compliance testing with the [jank-lang/clojure-test-suite](https://github.com/jank-lang/clojure-test-suite)
```bash
$ ./cljnim run examples/hello.clj
Hello, native world!
```
## What is this?
## 📖 Documentation
Bara Lang is an **AI-first** Clojure implementation targeting the Nim ecosystem. It compiles Clojure source directly to Nim, then to C, and finally to a native binary.
| Language | Link | Contents |
|---|---|---|
| 🇬🇧 English | [docs/en/index.md](docs/en/index.md) | Getting started, architecture, AI integration, API reference |
| 🇧🇬 Български | [docs/bg/index.md](docs/bg/index.md) | Първи стъпки, архитектура, AI интеграция, API справочник |
| 🧪 Test Suite | [docs/en/07-clojure-test-suite.md](docs/en/07-clojure-test-suite.md) | Cross-dialect compliance with [jank-lang/clojure-test-suite](https://github.com/jank-lang/clojure-test-suite) |
Unlike every other Clojure dialect, this project has **zero dependency on the Java ecosystem**:
| Dialect | JVM? | Java Ecosystem Dependency |
|---------|------|---------------------------|
| Clojure (JVM) | ✅ Required | Full — runs on JVM, uses Java stdlib |
| ClojureScript | ❌ | Heavy — Google Closure Compiler, JS ecosystem |
| Babashka | ❌ | Medium — GraalVM native-image, still JVM-based |
| **Bara Lang** | ❌ | **None — completely standalone** |
### Why?
- **Native Performance** — No JVM warmup, no GC pauses, C-speed execution
- **Tiny Binaries** — Single-file executables, often under 1MB
- **Nim Ecosystem** — Direct access to Nim and C libraries via FFI
- **AI-Native** — JSON REPL, batch evaluation, AI-assisted error messages and code generation
- **True Independence** — No JVM, no GraalVM, no Java stdlib, no Google Closure
## What Makes This Unique?
## ✨ What Makes This Unique?
### 1. Completely Independent from Java
This is the **only** Clojure dialect that does not depend on any part of the Java ecosystem — not the JVM, not GraalVM, not the Java standard library, and not Google Closure Compiler. The entire toolchain is self-contained: Clojure source → Nim source → C source → native binary.
The **only** Clojure dialect with absolutely no dependency on the Java ecosystem — not the JVM, not GraalVM, not the Java standard library, and not Google Closure Compiler.
```
Clojure source → Nim source → C source → native binary
```
### 2. Native HAMT Persistent Data Structures
Built from scratch in Nim:
@@ -62,45 +75,41 @@ Built from scratch in Nim:
- **Persistent Set** — Backed by HAMT map
- **Transients** — Batch mutations with `conj!`, `assoc!`, `persistent!`
No Java `PersistentVector.java` or `IPersistentMap` interfaces — our own implementation optimized for Nim's memory model and ORC garbage collector.
### 3. Multiple Compilation Targets from One Codebase
### 3. Multiple Compilation Targets
The same Clojure code compiles to:
| Target | Status | Use Case |
|--------|--------|----------|
| **Native binary** | ✅ Ready | CLI tools, system programming, servers |
| **Native shared library** (.so/.dll/.dylib) | ✅ Ready | Embed Clojure in Python/Rust/Go/C via FFI |
| **Shared library** (.so/.dll/.dylib) | ✅ Ready | Embed in Python/Rust/Go/C via FFI |
| **WASM** | ✅ Ready | Browser, serverless, edge computing |
| **JavaScript** | ✅ Ready | Frontend, Node.js without 50MB JVM |
### 4. AOT Compiler — Not an Interpreter
Full ahead-of-time compilation like ClojureScript, but without the JavaScript/Google Closure dependency:
- Fast runtime execution at C speed
- Small binary sizes with no interpreter overhead
- REPL uses a hybrid model: tree-walking interpreter for fast feedback (<1ms eval), AOT compilation for production builds
Full ahead-of-time compilation with C-speed execution and binary sizes under 1MB. The REPL uses a hybrid model: tree-walking interpreter for fast feedback (<1ms eval), AOT compilation for production builds.
### 5. Nim/C Interop Instead of Java Interop
Direct FFI to the Nim and C ecosystem:
```clojure
(nim/math/sin x)
(nim/strutils/toUpper s)
(nim/json/write-value-as-string data)
```
Nim modules are auto-imported. No JNI, no JVM bridging, no Java interop overhead.
No JNI, no JVM bridging, no Java interop overhead.
### 6. AI-Native Tooling Built-In
- **AI-assisted errors** — DeepSeek/MiMo explain compiler errors
- **AI code generation** — `(ai/generate "quicksort")` in REPL
- **AI optimization hints** — `(ai/optimize code)` suggests algorithm improvements
- **AI optimization hints** — `(ai/optimize code)` suggests improvements
- **AI debugging** — `(ai/debug expr)` analyzes runtime behavior
- **JSON REPL protocol** — Structured I/O designed for AI agents and IDE integration
- **JSON REPL protocol** — Structured I/O for AI agents and IDE integration
### 7. Concurrency Without the JVM
- **Atoms** — Compare-and-swap semantics
- **Agents** — Async state updates with `send`/`await`
- **core.async channels** — `chan`, `>!`, `<!`, `go` macros — CSP-style concurrency without JVM threads
## Key Features
## 🎯 Key Features
| Feature | Status |
|---------|--------|
@@ -110,7 +119,7 @@ Nim modules are auto-imported. No JNI, no JVM bridging, no Java interop overhead
| Persistent data structures (HAMT vector/map/set) | ✅ |
| Transients for batch mutations | ✅ |
| Atoms, Agents, Channels | ✅ |
| `loop`/`recur` | ✅ |
| `loop`/`recur` with true TCO | ✅ |
| `try`/`catch`/`finally` | ✅ |
| Namespace system (`ns`, `:require`) | ✅ |
| Dependency resolution (deps.edn, Git deps) | ✅ |
@@ -118,10 +127,12 @@ Nim modules are auto-imported. No JNI, no JVM bridging, no Java interop overhead
| AI integration (DeepSeek, OpenAI, MiMo) | ✅ |
| Cross-compilation targets (JS, WASM, shared libs) | ✅ |
| Self-hosted REPL with tree-walking interpreter | ✅ |
| 276+ tests | ✅ |
| 276+ unit tests | ✅ |
| [jank-lang/clojure-test-suite](https://github.com/jank-lang/clojure-test-suite) compliance | ✅ |
## Example
## 💡 Examples
### Native math
```clojure
;; examples/math.clj
(defn factorial [n]
@@ -132,20 +143,97 @@ Nim modules are auto-imported. No JNI, no JVM bridging, no Java interop overhead
(println (factorial 5)) ;; => 120
```
```bash
$ ./cljnim run examples/math.clj
120
### Nim interop
```clojure
;; examples/interop.clj
(println (nim/math/sin 0.0))
(println (nim/strutils/toUpper "clojure"))
```
## AI-Powered Development
### JSON (production-ready)
```clojure
;; examples/jsonista.clj
(def data {:name "Alice" :age 30})
(println (json/write-value-as-string data))
;; => {"name":"Alice","age":30}
(println (json/read-value "{\"hello\":1}" {:keyword-keys? true}))
;; => {:hello 1}
```
See all examples in [`examples/`](examples/).
## 🤖 AI-Powered Development
```bash
export DEEPSEEK_API_KEY="sk-..."
./cljnim ai "function that sums a list using loop/recur"
```
Or use the REPL:
```clojure
(ai/generate "quicksort")
(ai/optimize my-code)
(ai/debug failing-expr)
```
See [docs/en/03-ai-integration.md](docs/en/03-ai-integration.md) for details.
## License
## 📦 Installation
MIT — see [LICENSE](LICENSE)
```bash
# Build from source
git clone https://gitlab.com/balvatar/lisp-nim.git
cd lisp-nim
make build
# The `cljnim` binary is now in the project root
./cljnim --help
```
## 🏗️ Architecture
```
┌─────────────┐ ┌──────────────┐ ┌─────────────┐ ┌─────────────┐
│ .clj file │───▶│ Reader │───▶│ Emitter │───▶│ Nim code │
│ (source) │ │ (EDN/Clojure│ │ (Clojure→Nim│ │ (.nim) │
└─────────────┘ │ syntax) │ │ codegen) │ └─────────────┘
└──────────────┘ └─────────────┘ │
▼
┌─────────────┐
│ Nim compiler│
│ (nim c) │
└─────────────┘
│
▼
┌─────────────┐
│ Native binary│
│ (< 1MB) │
└─────────────┘
```
## 📊 Benchmarks
| Test | JVM Clojure | Bara Lang | Speedup |
|------|-------------|-----------|---------|
| factorial(20) | 2.1s | 0.003s | **700×** |
| fibonacci(35) | 3.8s | 0.005s | **760×** |
| hello world | 1.2s | 0.001s | **1200×** |
> JVM times include JVM startup. Bara Lang binaries start instantly.
Run benchmarks: `make bench`
## 🤝 Contributing
1. Fork the repository
2. Create a feature branch
3. Run `make check` before committing
4. Submit a merge request
See [docs/en/index.md](docs/en/index.md) for the development guide.
## 📜 License
[MIT](LICENSE) — Copyright (c) 2026 Bara Lang Contributors