While I don't use LaTeX much (I've got my own plain TeX formats which I want to move to LaTeX), TeX is Turing-complete so you could easily devise a mechanism to

While I don't use LaTeX much (I've got my own plain TeX formats which I want to move to LaTeX), TeX is Turing-complete so you could easily devise a mechanism to achieve just that. I am sure there are extensions which do that already.