tree-sitter

https://github.com/tree-sitter Tree-sitter is a parser generator tool and an incremental parsing library. It can build a concrete syntax tree for a source file and efficiently update the syntax tree as the source file is edited. Tree-sitter aims to be:

General enough to parse any programming language Fast enough to parse on every keystroke in a text editor Robust enough to provide useful results even in the presence of syntax errors Dependency-free