h a l f b a k e r y
Not so much a thought experiment as a single neuron misfire.
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Set in stone a number of simple, but culturally important, programs in as many programming languages as we can find, while there are still serious practicioners around to consult.
So, for example: ¨Hello World¨, number-base converters and null drivers in 6502, 6809, 68000, 32010,... Ada, ARM,
Algol, AMPLE, BASIC, c, c++, COBOL, FORTH, FORTRAN, occam, LISP, LOGO, Pascal, Prolog, Z80 etc
Perhaps they should be placed alongside the Georgia Guidestones
Wiki: Georgia Guidestones
[Dub, Dec 11 2011]
Oooh, look rosettacode.org
(Ripped from Wiki) Rosetta Code was created in 2007 by Michael Mol. The Rosetta Code web repository illustrates how desired functionality is implemented very differently in various programming paradigms, and how "the same" task is accomplished in different programming languages [Dub, Mar 21 2021]
ANTLR: ANother Tool for Language Recognition
I've not used ANTLR specifically, but have worked on/am working on something similar - albeit focusing on converting from one language to (initially) one (but now two) other languages. The parser --> AST --> Code flow seems to be the way to go, with an AST as the rosetta "nubbin" that can be used to generate content in many different output languages. [zen_tom, Mar 22 2021]
||It's important to hang on to the past; I always operate
under the 'watch where that lands' principle of innovation.
||I thought this was going to be a program that helped me
learn programming languaes. Which would have been
helpful when I was trying to learn FORTRAN. In fact cannot
bun this knowing that FORTRAN would be immortalized in
||//while there are still serious practicioners around to
||Conveniently, even the most arcane of languages still have
a number of hobbyist practicioners. Check out
projecteuler.net; and even that barely scratches the
surface of "why would someone bother maintaining skills in
||This is brilliant, but you should also include archival-quality
instructions for building the drives and other devices needed to
access all digital storage media ever used.
||[+] but only if it includes some of Ada Lovelace's code
for the Babbage engine.
||Yup, and not just Hello World, but John Conway's Game of Life. a Turin machine, ...
||Obfuscated versions could be engraved into the Alps/Rockies/Himalayas.
||That would be something that moves progressively
along a wide cloth tape, gradually imprinting the
image of a beardy bloke?
||I discovered formal language theory really late in
life, but assuming a language can be expressed as a
CFG (context-free grammar), then it can be
decomposed into a series of production rules that
can be used both to parse, but crucially also, to
generate statements in a given language. If you can
map your production rules into an Abstract Syntax Tree, and back
again, then you should have the basis for a
transpiler from one language into another. Much
easier to theorise about than actually do - but the
groundwork is there. There are some limited
transpilers out there, mostly I understand that map