c_exceptional
metalang99
c_exceptional | metalang99 | |
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3 | 42 | |
33 | 770 | |
- | - | |
0.0 | 3.7 | |
almost 6 years ago | 28 days ago | |
C++ | C | |
Apache License 2.0 | MIT License |
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c_exceptional
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let me see what you are capable of creating
You can find the repository, including a brief explanation on how it works and links to more a in-depth explanation at Qqwy/c_exceptional.
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Best C Marco Preprocessor Tutorial? (Book or Website)
Metaprogramming custom control structures in C is a very good resource. I used those techniques to for instance create a C99 exception library: exceptional.
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What is your own favorite C project?
I made an exception library called exceptional with very intuitive syntax and semantics. It uses some crazy preprocessor tricks behind the scenes to make this work ☺️.
metalang99
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How to convert an enum to string in C++
There are also other approaches. Macro variants making use of `__VA_ARGS__` would be probably the best trade-off. If you want a slightly more ergonomic syntax, something like Metalang99 [1] will help (and the author even wrote a post about this exact subject [2]). Codegen is another option which may work better than other options depending on the situation and exact implementation strategy. And there is always the Reflection TS [3], which may or may not be incorporated to C++26...
[1] https://github.com/Hirrolot/metalang99
[2] https://hirrolot.github.io/posts/pretty-printable-enumeratio...
[3] https://en.cppreference.com/w/cpp/experimental/reflect
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Few lesser known tricks, quirks and features of C
I went down the rabbit hole with C99 metaprogramming after reading through the list. For reference: https://metalang99.readthedocs.io/en/latest/, https://github.com/Hirrolot/metalang99
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Boost:Unordered_flat_map
Honestly I have to disagree. There is nothing particularly special about what Super Template Tetris(STT) is doing.
At its core, template metaprogramming is just functional programming at compile time. STT is just a template and a runtime function which do the following:
1, take an input via compile time flag (the `-D DIRECTION`)
2. take a type input from an included header file containing the current state (`#include "current_game.h"`)
3. via functional programming, compute the results of a single step of the game.
4. specialise a single function using the results of step 3. this function prints the computed result to the screen and the computed game state to a file (`./current_game.h`).
5. gcc/clang exits. compilation is complete.
6. call the compiled binary.
7. the binary runs the specialised function and prints the outputs.
Sure it's fucky and you shouldn't do that in production but what sane individual is writing a piece of code that at runtime (after compiling) seeks out one of its own source files and modifies that file?
To prevent this from being possible you'd have to remove runtime file IO from the language. The other potential solutions wouldn't work:
1. Remove templates entirely: Still would be possible using https://github.com/Hirrolot/metalang99 which solely uses the preprocessor. Given that the pre-processor is literally just term substitution(a glorified copy/paste engine), if you removed that as well, you'd have to accept no form of metaprogramming at all.
2. Remove the ability to #include other files: Could still be done by doing everything inline. `#include` is just copy-paste anyways so it's more an abstraction than anything else to the compiler and preprocessor, it's basically the same as if all the code was pasted into the same file.
That leaves you with removing file IO. Without IO a programming language is basically useless, particularly as a systems programming language.
- What does the ??!??! operator do in C?
- Metalang99: Full-blown preprocessor metaprogramming for C/C++
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Learning HTML was too hard so I made a compiler instead
P.S. I wrote Metalang99 BTW.
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How did you choose the name for your programming language?
Metalang99, a metalanguage for C99. Simple :)
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Rust is hard, or: The misery of mainstream programming
Just wait until you see some other things by the same author, like https://github.com/Hirrolot/metalang99
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Conditional preprocessor macro, anyone?
I did get a few great responses there as well, though. One was a link to this impressive piece of work: https://github.com/Hirrolot/metalang99/blob/master/examples/lambda_calculus.c
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What are the minimal changes required to turn C into a functional programming language?
Some preprocessor nonsense: https://github.com/Hirrolot/metalang99/blob/master/examples/lambda_calculus.c
What are some alternatives?
gunslinger - C99, header-only framework for games and multimedia applications
Windows11DragAndDropToTaskbarFix - "Windows 11 Drag & Drop to the Taskbar (Fix)" fixes the missing "Drag & Drop to the Taskbar" support in Windows 11. It works with the new Windows 11 taskbar and does not require nasty changes like UndockingDisabled or restoration of the classic taskbar.
pns
monkeytype - The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.
Simple-Socket-Library-2 - Another Simple Socket Library, but a little more intuitive, supports non-blocking IO and SSL.
map-macro - A recursive C preprocessor macro which performs an operation on each element of a list
Neko-Application-Server-Library - A C++ library to allow a developer to easily add an HTTP server to their program.
porth
pacman.c - Simple Pacman clone written in C99.
libexpat - :herb: Fast streaming XML parser written in C99 with >90% test coverage; moved from SourceForge to GitHub
gb - gb single-file public domain libraries for C & C++
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