glib
jonesforth
glib | jonesforth | |
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6 | 41 | |
1,473 | 968 | |
1.0% | - | |
9.9 | 0.0 | |
1 day ago | about 1 year ago | |
C | Assembly | |
GNU General Public License v3.0 or later | - |
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glib
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Ask HN: Where do I find good code to read?
The question doesn't specify any language, so FWIW, I first learned "serious" programming by reading the sources for GNOME Glib, about 18 years ago.
https://gitlab.gnome.org/GNOME/glib
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My adventures in Desktop GUI App development-land
The next adventure is called Vala. It is like a C#-like language that compiles down to C but it includes GLib (which is GNOME low level wrappers around C API). It looks like it was half abandoned but then gained again some contributors.
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[Hiring] Rust consultant knowledgable with pulling in C code -- quick $200
It looks like you're using deprecated APIs, so you may need to link an older version of glib, <= 2.30. You'll notice in 2.32 there is no mention of GStaticMutex or GSystemThread
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GLib-GIO ERROR && Suckless surf
Source code: https://github.com/GNOME/glib/releases/tag/2.70.3
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I'm making a calculator that can calculate multiple numbers
As valac just generates C from your Vala code, it won´t be a bug in the valac compiler. According to you code, it could be a bug in double.parse() or in double.to_str(). Both of these are part of GLib. Please make sure which of the methods is causing the bug before filing it.
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Libvirt: Adoption of GLib library to replace GNULIB and home grown code
Curious for some details. On what layer does that caching occur?
I immediately thought g_malloc but it seems to call directly to libc: https://github.com/GNOME/glib/blob/master/glib/gmem.c
jonesforth
- Konilo: A personal computing system in Forth
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Thinking Forth: A Language and Philosophy for Solving Problems [pdf]
Cool. Here are some other resources that I've encountered along the way of learning Forth:
- JonesForth: https://github.com/nornagon/jonesforth/blob/master/jonesfort...
This is legit a text that goes the an x86 Forth implementation. Actually, it's just an implementation with really extensive comments. That said, including whitespace and comments, it's just 2000 lines and the pedagogy is excellent. Highly recommended for anyone who would rather see behind the curtain before picking up a larger text.
- SmithForth: https://dacvs.neocities.org/SF/
So, Smith decided to hand-write a Forth directly in x86-64 opcodes (well, the corresponding ascii hex bytes). It's incredibly slim and enlightening how you can bootstrap a language in just a couple hundred bytes or so.
This project actually inspired me to really learn the x86-64 architecture, so I ended up hand-decompiling the SmithForth binary instead of going through his commented implementation. Hand-decompilation is an absolutely fascinating exercise. You learn all about ELF structure, opcode encodings, and actually start to see the gaps where microarchitectural details shine through. Highly recommended for any hacker that really wants to grok low level details.
- Mecrisp: https://mecrisp.sourceforge.net/
An amazingly fast Forth implementation for MSP430, ARM, RISC-V, MIPS, and some FPGAs. This gave me one really nice understanding of Forth as
A REPL into your hardware!
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Problem Running JonesFORTH
I've git-cloned JonesFORTH (https://github.com/nornagon/jonesforth/blob/master/jonesforth.S) and achieved to compile it (i.e. run make w/o an error. When I start the executable, it presents me with an empty line, and when I say BYE, it says PARSE ERROR: bye.
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Ask HN: Where do I find good code to read?
Is there any particular language you're looking for? I've found some languages hideous until I understood them and could appreciate their respective graces. Off the top of my head the I can think of a couple.
The first is Jones Forth (https://github.com/nornagon/jonesforth), start with jonesforth.S and move into jonesforth.f. I really enjoyed following along with it and trying my hand at making my own stack based language.
The other is Xv6, a teaching operating system from MIT (https://pdos.csail.mit.edu/6.828/2021/xv6.html), not all the code or implementations are top notch but it shows you non-optimized versions (just because they're simple and more readable) of different concepts used in OS design.
If you're interested in the embedded world, there is a really neat project I've been following that feels a more structured and safe (as in fault-tolerant) while still staying pretty simple (both conceptually and in the code itself): Hubris and Humility (https://hubris.oxide.computer/).
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Dusk OS: 32-bit Forth OS. Useful during first stage of civilizational collapse
Very low hardware requirements, so basic industrial control at the level where you'd otherwise use an Arduino or so but on scavenged hardware. Forth is ridiculously simple to get an implementation running.
https://github.com/nornagon/jonesforth/blob/master/jonesfort...
Is a nice starting point. It's obviously not as compact as say 'Brainfuck' but it is far more versatile.
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Making my own forth implementation
OP mentioned jonesforth, but linked to a nasm port of it. Which is probably good it’s just that the documentation in the comments with ascii art doesn’t look right on my screen. So here’s a more common repo: https://github.com/nornagon/jonesforth
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Struggling with looping constructs, BEGIN WHILE REPEAT
Rip the asm macros for the basic FORTH words out of this and then embed them in a C binary, statically linked with your favourite libs for whatever task. Although I haven't tried this yet, I'm planning on doing it with ncurses for my own Roguelike. From there, if you can convert the function calls and your parameters down to raw numbers, you can send instructions to ncurses or whatever other API you like, directly from a FORTH stack.
- I'm wondering why so few forth microcontoller tutorials are out there?
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replace jonesforth links to the left by proper link
or the mirror of this site in github: https://github.com/nornagon/jonesforth
- Languages to implement in space-constrained environments
What are some alternatives?
Refactoring-Summary - Summary of "Refactoring: Improving the Design of Existing Code" by Martin Fowler
stoneknifeforth - a tiny self-hosted Forth implementation
clean-code - Book review: A Handbook of Agile Software Craftsmanship
factor - Factor programming language
ACalc - dotnet and Avalonia test
durexforth - Modern C64 Forth
retlang
tinyrenderer - A brief computer graphics / rendering course
Binaryish-Clock - A fitbit watch face that partially displays the time in binary
sectorforth - sectorforth is a 16-bit x86 Forth that fits in a 512-byte boot sector.
sxiv - Simple X Image Viewer
SavjeeCoin - A simple blockchain in Javascript. For educational purposes only.