> unfortunately many big brain school teach only parser generator tool. here grug usual love of tool is not: parser generator tool generate code of awful snakes nest: impossible understand, bottom up, what? hide recursive nature of grammar from grug and debug impossible, very bad according grug!
https://grugbrain.dev/#grug-on-parsing
Bob Nystrom has done us all a tremendous service by writing a wonderful book (easily top 5 programming books available) on recursive descent:
https://craftinginterpreters.com/