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A dancing with interpreter and compiler

monkey-rust 최신버젼 다운로드

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# monkey-rust

![Rust](https://github.com/gengjiawen/monkey-rust/actions/workflows/rust.yml/badge.svg?branch=main&event=push)
[![monkey-interpreter](https://img.shields.io/crates/v/monkey-interpreter)](https://crates.io/crates/monkey-interpreter)
[![npm version](https://img.shields.io/npm/v/@gengjiawen/monkey-wasm?label=@gengjiawen/monkey-wasm)](https://www.npmjs.com/package/@gengjiawen/monkey-wasm)
[![npm version](https://img.shields.io/npm/v/prettier-plugin-monkey?label=prettier-plugin-monkey)](https://www.npmjs.com/package/prettier-plugin-monkey)
[![npm version](https://img.shields.io/npm/v/@gengjiawen/monkey-minifier?label=@gengjiawen/monkey-minifier)](https://www.npmjs.com/package/@gengjiawen/monkey-minifier)
[![npm version](https://img.shields.io/npm/v/@gengjiawen/monkey-lint?label=@gengjiawen/monkey-lint)](https://www.npmjs.com/package/@gengjiawen/monkey-lint)

An interpreter and compiler for the Monkey programming language written in Rust

![The Monkey Programming Language](https://cloud.githubusercontent.com/assets/1013641/22617482/9c60c27c-eb09-11e6-9dfa-b04c7fe498ea.png)

## What’s Monkey?

### Compiler playground

https://monkey-lang-playground-jw.vercel.app/

### AST Online playground

https://astexplorer.net/#/gist/e23a81ce309e8fcffe95ddd1b5661061/01d0b4b078304ddd9639eae9f4e6d342e2b9d075

Monkey has a C-like syntax, supports **variable bindings**, **prefix** and **infix operators**, has **first-class** and **higher-order functions**, can handle **closures** with ease and has **integers**, **booleans**, **arrays** and **hashes** built-in.

## Features

- Split packages to make everything minimum
- **REPL**: A Read-Eval-Print-Loop (REPL) for Monkey tokenizer, parser, evaluator, compiler, and GC runtime
- location info for ast
- test for every module
- **Wasm**: A WebAssembly target, thus run monkey on browser is directly supported.
- **Prettier Plugin**: Format Monkey source code with [Prettier](https://prettier.io/) via `prettier-plugin-monkey`.
- **Minifier** ([`@gengjiawen/monkey-minifier`](packages/monkey-minifier/README.md)): A semantics-preserving source-to-source minifier powered by the Rust/Wasm parser, with compact printing, identifier mangling, constant folding and propagation, dead `let` elimination, and Node/browser/CLI APIs.
- **Linter** ([`@gengjiawen/monkey-lint`](packages/monkey-linter/README.md)): A static linter powered by the Rust/Wasm parser, whose AST rules are anchored to both backends — a construct is only flagged when the tree-walking interpreter and the GC bytecode VM agree it is wrong or useless — with per-rule severity overrides and Node/browser/CLI APIs.
- **VS Code Extension**: First-class editor support with syntax highlighting, snippets, WASM-powered diagnostics, AST preview, and bytecode compilation commands.
- bytecode viewer from source
- **GC** ([`monkey-gc`](gc/README.md)): alternate bytecode VM with QuickJS-style refcounting and three-phase cycle collection (`gc_decref` → `gc_scan` → `gc_free_cycles`) on a `GcHeap`, so cyclic object graphs can be reclaimed without changing `object` or the default `Rc` VM.
- **Bytecode snapshots** (`.mbc`): QuickJS-style ahead-of-time compilation, mirroring `qjsc` — `monkey-gc compile foo.monkey` serializes the compiled bytecode to a `.mbc` file and `monkey-gc run foo.mbc` executes it without the parser/compiler, treating the file as untrusted input behind a three-layer validation model ([design doc](docs/bytecode-snapshot-design.md)).
- **Debugger** (`debugger` statement): a JavaScript-style `debugger` statement that stays transparent in every backend (interpreter, both VMs, AOT asm, prettier/minifier/linter); on the playground's **Debugger** tab each hit records a snapshot on the GC VM — the call stack with named locals, captures and globals beside a budgeted Mermaid heap graph, with `ref #n` chips linking slots to the heap objects they point at ([design doc](docs/playground-debugger-plan.md)).
- **ASM** ([`monkey-asm`](asm/README.md)): AOT arm64 (AArch64) assembly backend — single-pass lowering from the AST to AArch64 assembly text, assembled and linked against a cross-built Rust runtime into a native executable, in Linux/ELF and macOS/Mach-O flavors (the Linux flavor runs on any host via `qemu-aarch64`); the playground's **ARM64** tab shows the same assembly godbolt-style ([design doc](docs/arm64-asm-backend-design.md)).

## Resources

Official site is: https://monkeylang.org/. It's has various implementation languages :).

There is a book about learning how to make an interpreter: [Writing An Interpreter In Go](https://interpreterbook.com/#the-monkey-programming-language). This is where the Monkey programming language come from.

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