intellij-sdk-code-samples/tutorials/custom_language_support_tutorial.md

layout	title
editable	Custom Language Support Tutorial

In this tutorial we will add basic support for .properties language and it's usages within Java code.

We will generate parser and PSI elements using Grammar-Kit plugin. The lexer class will be generated with JFlex.

This a step-by-step tutorial and it requires performing every step:

• 1. Prerequisites
• 2. Language and File Type
• 3. Grammar and Parser
• 4. Lexer and Parser Definition
• 5. Syntax Highlighter and Color Settings Page
• 6. PSI Helpers and Utilities
• 7. Annotator
• 8. Line Marker Provider
• 9. Completion Contributor
• 10. Reference Contributor
• 11. Find Usages Provider
• 12. Folding Builder
• 13. Go To Symbol Contributor
• 14. Structure View Factory
• 15. Formatter
• 16. Code Style Settings
• 17. Commenter
• 18. Quick Fix

The final code can be found on GitHub.