A Visual Studio Code extension providing syntax highlighting, code snippets, IntelliSense, and execution support for the Apex programming language.

About Apex

Apex is a programming language built for speed, power, simplicity, clarity, readability, and modernity. It's under the MIT License. Created by one person.

This extension adds support for the Apex language to VS Code.

Features

Syntax Highlighting

Full syntax highlighting for:

Keywords: function, if, elif, else, for, import, and, or, not, break, continue, return.
Literals: Numbers (including scientific notation), strings, booleans (true, false).
Comments: Line comments (//).
Operators: Arithmetic (+, -, *, /, %), Comparison (==, !=, <, >, <=, >=), Logical (not, and, or).
Structures: Function definitions, table literals [], string interpolation "{}".

Advanced IntelliSense & Autocompletion

Smart suggestions for:

Keywords: Control flow and logical operators.
8 Standard Libraries: os, sys, math, string, table, ffi, random, codecs.
Library Functions: Auto-complete for hundreds of functions like os.read(), sys.platform, random.randint(), codecs.json_write(), etc.

Run Code

Execute your current Apex file directly from VS Code:

Command Palette: Apex: Run Current File
Keyboard Shortcut: F5 (when editing an .apex file)
Terminal: Runs the file in a dedicated "Apex" terminal instance.

Language Configuration

Auto-closing: Supports automatic closing of parentheses (), brackets [], and quotes "".
Indentation Rules: Smart indentation for blocks following function, if, elif, else, and for.

Installation

Install the Apex Interpreter on your system.
- Ensure the apex command is available in your system's PATH.
Install this extension from the VS Code Marketplace or by installing the .vsix file.
Open any file with the .apex extension.

Release Notes

26.07 (July 31, 2026)

Syntax highlighting for shebang (#!) at the beginning of scripts.
Indentation-based folding for code blocks.
Syntax highlighting for the new none data type.
Added support for single-quoted strings ('...') with proper syntax highlighting and auto-closing.
Trimmed standard library descriptions — removed inline function listings.