Am 07.03.2021 um 21:52 schrieb Avi Gross via Python-list: > The precedence example used below made a strange assumption that the > imaginary program would not be told up-front what computer language it was > being asked to convert from. That is not the scenario being discussed as we > have described. In any particular language, there usually is a well-known > precedence order such as "*" coming before "+" unless you use something like > parentheses to make your intent clear and over-ride it.
Well, no I did not assume some kind of magical universal translator ala Star Trek. ;-) The OP seems to claim, that he could compile any language by just providing a JSON schema file which describes the language. I assumed that those who tried this before did something similar. And that is what sounds logically impossible (or at least unfeasible) to me. How can one write a comparatively small descriptive schema that covers all of a language's subtleties in syntax, grammar, semantics and behavior? I agree that my example wasn't good, since it would be just a matter of specifying operator precedence. But there are numerous little and large aspects to cover for any language. In the end, one would have to write a more or less full blown parser. Or at least a schema that is so long, that all advantages of this approach go away. -- https://mail.python.org/mailman/listinfo/python-list
