AHHH: a programming language for the dreadful

Screaming into the Void but make it Turing Complete

AHHH is an esoteric programming language inspired by the all-consuming dread induced by programming.

Programming languages can shape everything about an algorithm, from its speed, effiency, and modularity all the way down to its aesthetics. In that vein, I wanted to write a programming language that was an absolute bitch to use. Just the absolute worst. A miserable experience for everyone involved. I think - in that goal - I have succeeded. Good luck...

Setup

To compile the interpreter, run:

g++ -Wall interpret_ahhh.cpp -o AHHH

Then, to run files, just call the executable with:

./AHHH file.ahhh

If you aren't using linux you either:

already know how to compile c++ code on your machine, or
should probably use an IDE. Here's a pretty good guide.

I've provided a number of demo files:

fib.ahhh
- Explicitly generates the first ~46 Fibonacci numbers. I stopped at 46 because any larger yields overflow, since I'm using c++ ints. I could fix that, but I won't.
fib_inf.ahhh
- Loops through infinitely many Fibonacci numbers. It overflows basically immediately, but the implimentation is kind of cool (and well documented).
hello_world.ahhh
- You know I had to do it to 'em.
hello_world_expanded.ahhh
- You know what it does, and now you know why. Same program, just with documentation.

The expanded hello world program is only 150 lines of code, but in condensed form is actually quite simple:

AHHHHhhHHHhHHHHhHHHhHHhHHHhHHhhHHhhHHhhHHhhHHhhHHhhHHhhHHhhHhHhhHhhhhhhHHhhHHHhHHHHhHHHhHHhHhHHhhHhhhHhhHhHhHhHhHhHhHhhhhhhHhHhhHhhHHhhHHhhHHhhHhHhhHhhhhhhHhHhhhHhhHhhhhhhHhHhhhHhhHhhHHhhHHhhHHhhhhhhHHhhHHHhHHHHhHHHhHHhHhHhHHHhhHhhHHHhHHHHhHHHhhHHHhHhHHhHhHhHhHhHhHhHhHhhhhhhHHhhHHHhHHHHhHHHhHHhHHhhhhhhHHhhHHHhHHHHhHHHhHHhHHHhHhHhHHHhhHhhHHHhHHHHhHHHhhHHHHHhhHhhHHHhHHHhHHHhHhHHHhHhHHhHhHhhhhhhHhHhhHhhHHhhHHhhHhHhhHhhhhhhHhHhhhHhhHhhHHhhHHhhHHhhhhhhHhHhhHhHhHhHhHhHhhHhhHhhhhhhHhHhhHhHhHhHhHhHhHhHhHhHhHhHhHhHhHhHhHhhhhhhHHhhHHHhHHHHhHHHhHHhHHhhHHhhhhhh!

If there's a glaring problem you want me to know about or you otherwise feel strongly inclined, feel free to bug me at [email protected] or yell at me on Twitter @KyleMorgenstein.

Language Mechanics

The language is pretty simple and is heavily based on COW. There's 16 (+2) commands, which are all the capitalization permutations of hhhh to HHHH. The start key is AHHH. The AHHH language has a memory head (pointer) which can be moved along a tape of memory. There are also two registers that values can be read/written from. Anything that isn't a command is a comment. See fib_inf.ahhh or hello_world_expanded.ahhh for examples of comments/documentation.

The commands are as follows:

Code	Command	Function
0	hhhh	Searching in reverse, skip the first preceding command, and then jump back to matching HHHH command and begin execution from that HHHH command (end loop).
1	hhhH	Move the pointer right one cell.
2	hhHh	Move the pointer left one cell.
3	hhHH	Print the current memory cell as an integer.
4	hHhh	If Register 1 is empty, copy the current memory cell to the register. Otherwise, write the Register 1 value to the current memory cell.
5	hHhH	If Register 2 is empty, copy the current memory cell to the register. Otherwise, write the Register 2 value to the current memory cell.
6	hHHh	Add the current memory cell to the value of Register 1 and store the sum in Register 1. The memory cell is unchanged.
7	hHHH	Add the current memory cell to the value of Register 2 and store the sum in Register 2. The memory cell is unchanged.
8	Hhhh	If the current memory cell is nonzero, print the cell as an ASCII character. Otherwise, read in an ASCII character from the console.
9	HhhH	Increment the current memory cell by one.
10	HhHh	Decrement the current memory cell by one.
11	HhHH	Read in an integer from the console and store it in the current memory cell (overwrites current cell).
12	HHhh	Set the current memory cell to zero.
13	HHhH	Double the value of the current memory cell and store it in the current memory cell.
14	HHHh	Square the value of the current memory cell and store it in the current memory cell.
15	HHHH	If the current memory cell is nonzero, continue to the next command. Otherwise, skip one command, and then skip ahead to the next matching hhhh command (begin loop).
16	AHHH	Start program.
17	hhh!	Print new line (useful after printing ASCII characters, which otherwise don't print a new line).

As you can see, this language sucks. You won't enjoy it. I think it's pretty funny, which is an accomplishment given the number of brain cells I've killed trying to get this to work. Hopefully you think it's at least passively amusing too. If not, idk, go scream about it or something.

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Comments

[Need help] Trying to implement fibonAHHHchi !!!

Hi, I'm trying to learn AHHH as my new programming language to implement linux from scratch. And I've implemented fibonacci but got some runtime error. Need help to understand what I'm doing wrong.

AHHH
HhhHhhhHHhhHhhHhhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhHhhHhHHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHHhHhHhhHHhHhhhhhHhHHhhHHHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhHhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhHHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHhhHhHhHhhhhHhhHhHhhHHhHhhhhhHhHHh
hHhHhHhhhhHhhHhH

Me reading the source code!

opened by sharkbait2 2

Potential Loop Bug
When two HHHH commands are adjacent, because the first one skips the second, an error occurs since the interpreter believes that the loop brackets are unmatched. For example,

AHHH HHHH HHHH hhhh hhhh

throws an error. Is skipping the first command after each bracket intentional? It seems to do nothing except introduce problems when the following command is either HHHH or hhhh. I think it would make more sense to remove that functionality.
opened by bangyen 2