124 lines
2.7 KiB
Markdown
124 lines
2.7 KiB
Markdown
# Comp_iler
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Sandboxed code execution discord bot.
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[Invite the bot!](https://discordapp.com/oauth2/authorize?client_id=555066722969714728&scope=bot)
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## Usage
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### Code Blocks
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````
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>```lang
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code
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```
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````
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````
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>options```lang
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code
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```
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````
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### Inline Code
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```
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>`lang code`
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```
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```
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>options`lang code`
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```
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### Examples
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````
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>```cpp
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#include <iostream>
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int main()
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{
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std::cout << "Hello World!" << std::endl;
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}
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```
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````
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````
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>harmony```js
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class Foo {
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bar = 1;
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}
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console.log(new Foo().bar);
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```
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````
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```
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>`py print('hello world')`
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```
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```
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>e`hs (+) <$> Just 1 <*> Just 2`
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```
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## Supported Languages and Options
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One of the following language codes is set in `lang`.
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Options are optionally set in `options`, which is a semicolon-delimited list of `flag` or `flag=value`.
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- `bash` Bash
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- `c` C (GCC)
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- `clj` Clojure
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- `cpp` C++ (G++)
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- `cs` C# (Mono)
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- `e` evaluates a single expression instead of a module
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- `elixir` Elixir
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- `fs` F# (Mono)
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- `go` Go
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- `hs` Haskell (GHC)
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- `e` evaluates a single expression instead of a module
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- `java` Java (OpenJDK)
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- `js` JavaScript (Node)
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- `harmony` enables harmony features (`--harmony` on node)
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- `e` prints the result of evaluating the code
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- `julia` Julia
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- `e` prints the result of evaluating the code
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- `lisp` Racket
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- `lua` Lua
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- `ocaml` OCaml
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- `pas` Pascal (FPC)
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- `php` PHP
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- `pl` Perl5
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- `prolog` Prolog (SWI-Prolog)
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- `py` Python (CPython)
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- `2` runs Python 2 instead of Python 3
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- `rb` Ruby
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- `rs` Rust
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## How it Works
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Read the source code, specifically `src/struct/LanguageHandler.js`.
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In summary, for every language there is a docker image which spins up a docker container.
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The container is used for all evaluations of code, restarting if something goes wrong.
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The container is locked down, so there is no networking, limited memory and CPU usage, and a time limit.
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## Setup
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0. Install Docker 18+
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0. Install Node 10+
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0. Run `npm i`
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0. Fill out `config.json`
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- `owner` - The owner(s) of the bot.
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Use an array for multiple owners.
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- `token` - The bot token.
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- `prefix` - The prefix for commands.
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- `codePrefix` - The prefix for code evaluation.
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- `languages` Languages to use.
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The language names here are different from the user-facing ones.
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Check the filenames in `src/languages/` for the language names.
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Change to `null` to enable all languages.
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- `memory` Max memory usage of a container.
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- `cpu` Max CPU usage of a container.
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- `timeout` Time limit for code in milliseconds.
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- `prepare` Whether to run containers on setup.
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Setting to true will speed up the first eval, but that language might not be used.
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0. Run `node .`
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