It can't differentiate between whether a comma is missing or a paren. This isn't a runtime error so in order for the program to run it would have to generate al

It can't differentiate between whether a comma is missing or a paren. This isn't a runtime error so in order for the program to run it would have to generate all possible permutations of what you could have run with corrected syntax and then output values from the multiple programs. That's not really how programming languages are supposed to work.