brainfuck
bfcpp
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brainfuck
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What’s the most “abusive” code you’ve ever written?
Even if you directly compile the brainfuck code to C e.g. with this script, executing the binary still takes an entire second.
bfcpp
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Better C Generics: The Extendible _Generic
The preprocessor is actually quite fast, as long as you are just doing primitive replacement things. I benchmarked my preprocessor brainfuck interpreter (without optimizations) against a constexpr brainfuck interpreter (without optimizations), and it beat constexpr for interpreting smaller programs. isort4 for example is a brainfuck program that does insertion sort on 45 inputs, and the preprocessor implementation was more than twice as fast as the constexpr one. Larger programs are slower to interpret with the preprocessor, because it always needs to copy the entire program code.
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Conditional preprocessor macro, anyone?
PS: I wrote a bit of an explanation for my preprocessor brainfuck interpreter, maybe you can learn a few tricks from that: https://github.com/camel-cdr/bfcpp/blob/main/TUTORIAL.md
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What’s the most “abusive” code you’ve ever written?
Since you mentioned macros: I wrote a brainfuck interpreter using only the preprocessor, so it interprets brainfuck at compile time. The entire thing is a huge abuse of macros: https://github.com/camel-cdr/bfcpp
- I wrote an optimizing brainfuck interpreter using only the C Preprocessor, here is how
- Who needs C++? C preprocessor meta programming is the future.
- Show HN: Optimizing brainfuck interpreter using only the C preprocessor
- Let's write an optimizing Brainfuck interpreter using only the C Preprocessor
What are some alternatives?
nim-brainfuck - A brainfuck interpreter and compiler written in Nim
bfcc - BrainFuck Compiler Challenge
CC - A small, usability-oriented generic container library.
space-nerds-in-space - Multi-player spaceship bridge simulator game. Captain your starship through adventures with your friends. See https://smcameron.github.io/space-nerds-in-space
gpp - GPP, a generic preprocessor
i-use-arch-btw - "I use Arch btw" but it's a Turing-complete programming language.
metalang99 - Full-blown preprocessor metaprogramming
Cnx - A Proof-of-Concept for a Modern Standard Library for GNU C 11+
ctl - My variant of the C Template Library
STC - A modern, user friendly, generic, type-safe and fast C99 container library: String, Vector, Sorted and Unordered Map and Set, Deque, Forward List, Smart Pointers, Bitset and Random numbers.
Cello - Higher level programming in C