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Bytecode compiler and VM for the Monkeylang language, written in Rust

monkers 최신버젼 다운로드

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// repository documentation

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# monkers 🐒 + 🦀

[![Rust](https://github.com/poteto/monkers/actions/workflows/rust.yml/badge.svg?branch=main)](https://github.com/poteto/monkers/actions/workflows/rust.yml)

Short for `monkey-rs`. An implementation of [monkeylang](https://monkeylang.org/). Previously, I implemented the interpreter in [TypeScript](https://github.com/poteto/boba-js). I am re-implementing the interpreter and later compiler in Rust as a learning exercise.

## Building

```shell
$ cargo build --release

# See help
$ target/release/monkers --help

# Run the REPL with bytecode compilation
$ target/release/monkers

# Run the REPL with the tree-walking interpreter
$ target/release/monkers -s interpreted
```

## Developing

### Development REPL

Start the REPL by running `cargo run`, then entering some Monkey:

```
🐒 >> let a = 5;
5
🐒 >> let b = a > 3;
true
🐒 >> let c = a * 99;
495
🐒 >> if (b) { 10 } else { 1 };
10
🐒 >> let d = if (c > a) { 99 } else { 100 };
99
🐒 >> d;
99
🐒 >> d * c * a;
245025
```

Options can also be enabled:

```
$ cargo run -- -d               # debug mode
$ cargo run -- -s interpreted   # eval with interpreter
```

Command history is saved in `history.txt`.

By default, monkers REPL will compile your code into bytecode, then evaluate the bytecode with its VM. You can switch to the slower tree-walking interpreter with an arg:

```
cargo run -- interpreted
```

### Helpful crates

#### [`cargo-watch`](https://github.com/passcod/cargo-watch)

`cargo-watch` watches over your Cargo project's source. I use it to run my tests and `cargo check` whenever a file changes. It's aliased to `cargo dev`, which expands to:

```
cargo watch -x check -x test
```

Optionally you can append the `RUST_BACKTRACE=1` flag to get backtraces.

## Contributing

PRs are welcome! I am not a Rust expert, so I welcome any recommendations on more idiomatic Rust code.

monkers

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