Have a look at Neovim with its Tree-Sitter parser, it enables such 'growing selections' natively. It's also relatively easy to write plugins based on the parsed

Have a look at Neovim with its Tree-Sitter parser, it enables such 'growing selections' natively. It's also relatively easy to write plugins based on the parsed AST. I wrote treesitter-unit[1] making it easy to select/modify the subtree of the selection. [1]: https://github.com/David-Kunz/treesitter-unit https://github.com/David-Kunz/treesitter-unit