EryScript Language

MIT License · v2.0.0 · VS Code ≥ 1.80

Full language support for EryScript, the scripting language used to mod Erythros Lite. Syntax highlighting, IntelliSense, diagnostics, snippets and custom file icons — all in one lightweight extension.

Install

Install directly from the VS Code extension view (Ctrl+Shift+X) by searching for EryScript published by xunkal1, or visit the Marketplace page.

Features

The extension is written in plain JavaScript, has no runtime dependencies and starts instantly.

Quick start

1. Install the extension from the Marketplace.
2. Create a file named MyMod.ery.
3. Paste the template below and press Ctrl+Space anywhere to explore the API.

using Keyneed
using UnityEngine
using EryScriptUtils
using EryScript
using System

method OnModLoadedCallback(script, mod)
    call Debug.Log("My mod loaded")
mend

method OnPlayerConnectedServerCallback(player)
    var name = call player.name
    call Debug.Log("Player connected: " + name)
mend

EryScript is case-sensitive: keywords are always lowercase (var, call, method, mend, end), while engine classes and callbacks use PascalCase.

Language overview

// A method is opened with `method` and closed with `mend`
method GiveCoins(ply, amount)
    var coins = call ply.inventory.count("Coin")
    if coins >= amount
        call ply.inventory.remove("Coin", amount)
        return true
    else
        return false
    end
mend

// for loops count from .. to
for i = 0 to 3
    call Debug.Log("index " + i)
end

// try / catch is closed with end
try
    var data = call GlobalVars.Get("save")
catch
    call Debug.Log("failed to load save")
end

Supported keywords: using, method, mend, var, call, if, elseif, else, end, for, to, return, break, continue, try, catch, new, and, or, not, true, false, null.

Supported callbacks: OnModLoadedCallback, OnPlayerConnectedServerCallback, OnPlayerDisconnectedServerCallback, OnPlayerDieServerCallback, OnChatMessageServerCallback, OnPlayerCreatedCallback, OnPlayerRespawnedServerCallback, OnPlayerDamagedServerCallback.

Commands

Open the Command Palette (Ctrl+Shift+P) and type EryScript:

Snippets

Type the prefix and press Tab:

Settings

To switch the icon theme manually run File → Preferences → File Icon Theme (Ctrl+K Ctrl+T) and pick EryScript Icon Theme.

Diagnostics

The linter reports:

• Missing mend — a method block is not closed.
• Missing end — an if, for, try or while block is not closed.
• Duplicate method — the same method name is declared twice.
• Wrong keyword casing — for example VAR, CALL, METHOD, MEND.
• Deprecated print() — use call Debug.Log("message") instead.

Diagnostics update as you type and can be disabled with eryscript.enableDiagnostics.

Requirements

• VS Code 1.80 or newer.
• No other extensions or runtimes are required.

Troubleshooting

Syntax highlighting is missing Open the file and check the language mode in the bottom-right corner. It should say EryScript. If not, click it and select EryScript.

File icon is not shown Run Ctrl+K Ctrl+T and select EryScript Icon Theme. Some VS Code setups reset the icon theme after updates.

Completion does not appear Press Ctrl+Space manually. Completion is triggered by typing, . or (.

Contributing

Issues and feature requests are welcome at https://github.com/Hinderchik/EryScript-Language-Support/issues. Please include your VS Code version, a minimal .ery sample that reproduces the problem and the exact message from the Problems panel.

License

MIT © 2026 XunKal1

Erythros Lite and EryScript are created by Keyneed. This extension is an unofficial community tool and is not affiliated with the game developers.

Поддержка EryScript для VS Code

Полная поддержка языка EryScript — языка скриптов для модификации Erythros Lite от Keyneed.

Подсветка синтаксиса, автодополнение, линтер, сниппеты и иконки файлов в одном расширении.

Установка

Установите расширение из внутреннего магазина VS Code (Ctrl+Shift+X) по запросу EryScript (издатель xunkal1) или откройте страницу на Marketplace.

Возможности

Быстрый старт

1. Установите расширение из Marketplace.
2. Создайте файл MyMod.ery.
3. Вставьте шаблон выше и нажмите Ctrl+Space.

Команды

Откройте Палитру команд (Ctrl+Shift+P) и введите EryScript:

Настройки

Лицензия

MIT © 2026 XunKal1

Erythros Lite и EryScript созданы Keyneed. Расширение является неофициальным сообщественным инструментом.