textmate-grammar

Author a TextMate grammar file that defines tokenization rules for Lea syntax. TextMate grammars use regex patterns and scope names to highlight tokens like operators, keywords, and type annotations across editors that support the TextMate format, including VSCode.

TextMate grammars are configuration files that use regex patterns and scope naming to tokenize source code. They map syntax elements to semantic scopes, which editors render as colors and styles. TextMate grammars work across VSCode, Sublime Text, and other compatible editors.

Use VSCode's built-in scope inspector to test tokenization rules. Load your grammar file, inspect highlighted tokens to verify scopes match your patterns, and validate match/begin-end patterns and captures against actual Lea syntax.

Yes. TextMate grammars support custom patterns for language-specific syntax. Define match or begin-end patterns for Lea pipe operators, decorators, and type annotations, then assign appropriate scopes so editors render them correctly.

Follow TextMate scope naming conventions tailored for Lea. Use standard scope hierarchies like keyword, operator, and type-annotation to ensure consistent highlighting and compatibility with editor color themes.

Structure your grammar using a repository section to group reusable patterns by category—keywords, operators, comments, strings. Reference repository patterns within main rules and includes to keep the grammar modular and maintainable.