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VS Code Extension

Stable VS Code extension is available and stable.

The official Levython VS Code extension provides syntax highlighting, code snippets, and language support for enhanced development experience.

Table of Contents

Installation#

The Levython extension is located in the vscode-levython directory of the Levython repository.

Method 1: Install from VSIX

terminal 
# Navigate to extension directory
cd vscode-levython

# Package the extension
vsce package

# Install the generated .vsix file
code --install-extension levython-*.vsix

Method 2: VS Code Marketplace

Coming soon! The extension will be published to the VS Code Marketplace.

Features#

Syntax Highlighting

Full syntax highlighting for Levython code including:

  • Keywords: act, if, else, elif, for, while, in, range, break, continue
  • Operators: <-, ->, ==, !=, <=, >=, and, or, not
  • Built-in Functions: say, ask, str, int, len, append, range, etc.
  • Literals: Numbers, strings, booleans, null
  • Comments: Single-line comments with #

File Extensions

The extension recognizes:

  • .levy - Full Levython file extension
  • .ly - Short Levython file extension

Code Snippets#

The extension includes helpful code snippets. Type the prefix and press Tab to expand:

Prefix Description Expands To
act Function definition act name() { }
if If statement if condition { }
for For loop for i in range() { }
while While loop while condition { }
say Print statement say("")

Manual Installation#

To manually install the extension without packaging:

terminal 
# On macOS/Linux
ln -s "$(pwd)/vscode-levython" ~/.vscode/extensions/levython

# On Windows (PowerShell)
cmd /c mklink /D "%USERPROFILE%\.vscode\extensions\levython" "$(pwd)\vscode-levython"

# Reload VS Code
# Press Cmd+Shift+P (or Ctrl+Shift+P) and run "Developer: Reload Window"

Extension Files

The extension includes:

  • package.json: Extension metadata and configuration
  • syntaxes/levython.tmLanguage.json: TextMate grammar for syntax highlighting
  • language-configuration.json: Language-specific settings (brackets, comments)
  • snippets/levython.json: Code snippet definitions
Tip: After installation, restart VS Code and open any .levy or .ly file to see syntax highlighting in action!