Pytek

12:10 AM

I've been thinking a bit about how to best approach a GUI toolkit in a functional language like this.

And I think I have something kinda figured out

Basically you have a bunch of functions representing widgets (button, window, etc.)

And what these functions do is they take their options and return some sort of function containing drawing commands

Then you have a scene_draw function written in C or whatever that takes these functions and executes them, drawing the results

For child-parent relations you can just pass more widgets as args

I like this idea because it (potentially) allows for "anonymous" widgets:

\scene_draw(<return <...>>)

The problem is the actual drawing.

The best option as I see it is to make OpenGL Pytek bindings.

Alternatively we could use some kind of string format representing how to draw the widget and have \scene_draw be written in C and call OpenGL

The former appeals to me more because it allows for more control.

El'endia Starman

12:30 AM

One of my goals for the array of built-ins is indeed 2D graphics, so the GUI toolkit could potentially be written in Pytek, which would be pretty cool, I think.

Also, what do you think of the idea of making a way to edit the AST with the GUI?

Aqua Tart

@El'endiaStarman I'm not sure I quite get what you mean

_UNK

El'endia Starman

I ' m not sure I ' m not sure what you mean.

Well, I've been reading the other essays by the guy who wrote Succinctness is Power, and he's a pretty strong advocate for Lisp. One of the reasons, I've figured out, is that with Lisp, you basically write the AST.

I don't really know if being able to directly edit the AST (in the sense that the software automatically generates the corresponding code) will be all that useful, but it's something I'd like to see nonetheless... :P

Aqua Tart

Hmm

El'endia Starman

That's far in the future though. I'm not gonna worry about it now.

I still really need to write a function that prints the AST.

Aqua Tart

@El'endiaStarman If we can get a really good base 2D graphics toolkit building the GUI toolkit on top of that the way I outlined it would be amazing

Anyways, hmm what to do right now

El'endia Starman

12:47 AM

um

Aqua Tart

?

El'endia Starman

I still need to do operators...

I'm trying to think of what you can do.

Oh, by the way, I was planning on giving you the ability to git push to a Pytek repo on my website's server.

The idea is that we could use C9 for trying out stuff or direct collaboration, but we would both have the ability to update the official website interface.

Well, in the sense of the Python interpreter backend.

Aqua Tart

k

Hmm

Is there a way to just get a big tarball of the current workspace

I want to try something locally

El'endia Starman

Yep, you can do that.

Aqua Tart

oops stupid internet double posting

El'endia Starman

12:51 AM

File -> Download Project

Aqua Tart

@El'endiaStarman Ah, thanks.

El'endia Starman

I did that myself a couple nights ago, actually. Haven't done anything with it yet, but I know how to get the code.

Another thing I realized several days ago is that I decrement i if a node doesn't use the whole val list, which could be problematic when there are multiple tips that are exploring alternate paths through the AST, so I'm gonna have to restructure the parser ever so slightly for that.

Once I start, though, there's no guarantee that it'll work.

Aaand finished, with all unit tests passing! :D

Aqua Tart

Wow, that was fast.

El'endia Starman

Man, I love it when it's that easy! :D

Aqua Tart

err

It just failed a unit test

:P

I think you forgot to build.

El'endia Starman

12:59 AM

oh

-_-

Aqua Tart

I can change the interpreter path to use the source version instead of the binary.

El'endia Starman

Gimme a moment to make sure it does work.

Aqua Tart

Changed the unit tester so that it doesn't crash with non-zero exit codes (?? subprocess pls)

Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/cx_Freeze/initscripts/Console.py", line 27, in <module>
    exec(code, m.__dict__)
  File "../src/pytek_main.py", line 24, in <module>
  File "../src/pytek_parser.py", line 21, in AST_parse
TypeError: list indices must be integers, not str

error in case you were curious

El'endia Starman

I fixed that bug and the next few.

It's not 100% fixed yet though.

Aqua Tart

k

El'endia Starman

1:04 AM

Huh, it's ending far too soon.

Aqua Tart

Just out of curiosity, I did a benchmark locally, and suddenly the cx_Freeze version is faster than the Python one. wtf

I blame VM

El'endia Starman

lol ¯\_(ツ)_/¯

Aqua Tart

roflcopter

El'endia Starman

oh, that's why

The parser only loops through the tips once... >_>

...well, that's a weird output.

Aqua Tart

What happened?

El'endia Starman

1:13 AM

Hello world!
,  'Hi!
Hi!"""

' 337 'heyyy
man'

Source code: \print(\"Hello world!\", 'Hi!\"\"\"' 337 'heyyy\nman')

Aqua Tart

uhh

OK, so clearly the args are getting parsed wrong

El'endia Starman

I really really need to write that AST tree function. It'd make this a lot easier to debug, I think.

Aqua Tart

You should really just have a little debug thing that prints out the AST

ninja'd

I don't see an issue with just printing it as-is.

Pretty printing can come later

i.e just iterate through it and replace any nodes with their values, then print

El'endia Starman

I guess there's no better time than now.

I do have a debug setting. It's just that it prints out a LOT of stuff.

Here, do cd src and then python3 pytek_parser.py.

Aqua Tart

OK.

well

You should probably add a verbosity flag then

-v for basic -vv for this

El'endia Starman

1:19 AM

Haha, yeah, but I'm gonna go ahead and do the tree function.

El'endia Starman

1:34 AM

TypeError: object of type 'filter' has no len() - one stupid error that won't be in Pytek.

El'endia Starman

2:09 AM

Okay, I got that working. Gonna add a flag to pytek_main for it.

El'endia Starman

2:21 AM

Okay, that's working too. -t for running the program as normal and then printing the AST afterwards, and -T for only printing the AST.

elendiastarman:~/workspace/src $ python3 pytek_main.py -c "\print('Hello world!')"
bash: !': event not found

@Doorknob HALP

Aqua Tart

2:35 AM

escape it?

El'endia Starman

in The Nineteenth Byte, 2 mins ago, by El'endia Starman

Using a backslash doesn't work either because apparently bash leaves it in...

in The Nineteenth Byte, 1 min ago, by El'endia Starman

(A \ must be followed by a function name, and ! is not a valid function name, so...)

Aqua Tart

single quotes

El'endia Starman

Another way: do set +H to turn off history expansion. I never use that, so no big deal for me.

Aqua Tart

single quotes surrounding the code string will prevent history expansion

I use history expansion a lot because I'm lazy af

El'endia Starman

lol

Aqua Tart

2:40 AM

So the tree printing works?

El'endia Starman

yup! :D

Aqua Tart

cool

El'endia Starman

Next: figure out why everything after a string is stringified.

El'endia Starman

9:38 AM

PARSER FIXED!

Oh, also, there's now a -d flag that turns on debug (which has a delay of 0.1 seconds to make it easier to Ctrl+C it).

elendiastarman:~/workspace/src $ python3 pytek_main.py -c "\print('Hello world!' \add(\factorial(\add(2,3)),\factorial(5)) 'blah!')" -t
Hello world!
240
blah!
┬root
└┬\print
 └┬funcArgs
  ├string: Hello world!
  ├┬\add
  │└┬funcArgs
  │ ├┬\factorial
  │ │└┬funcArgs
  │ │ └┬\add
  │ │  └┬funcArgs
  │ │   ├number: 2
  │ │   └number: 3
  │ └┬\factorial
  │  └┬funcArgs
  │   └number: 5
  └string: blah!

Beautiful!

It occurs to me that I could actually probably write a transpiler to Lisp or something from this AST.

Anonymous

+1 for box drawing diagrams

Anonymous

cp437 > all except utf8 I guess

El'endia Starman

haha, yeah

I actually used your tool to get the characters I wanted. :D

Anonymous

:D

El'endia Starman

I need to start keeping a list of people who have contributed in any way.

Anonymous

9:51 AM

It would be really handy for writing Seriously code if the commands.txt wasn't infinitely more convenient

Anonymous

I can't ever remember what byte does what operation

El'endia Starman

lol

Anonymous

Which is why I'm absolutely making an assembly language for Seriously

El'endia Starman

Maybe you can add a little tool that converts mnemonics into those byte values. ...which is what your idea is, I guess.

Anonymous

Yep

El'endia Starman

9:54 AM

Alright, well, I need to go to bed before I start working on operators and end up staying up another hour.

Anonymous

I also need to go to bed before I invent a time machine to punch my past self in the face

Anonymous

in The Nineteenth Byte, 5 mins ago, by Mego

I really want to go back in time 3 months and punch myself in the face for writing code I knew would be incompatible with Python 3 when it's literally 0 effort to make it compatible

El'endia Starman

hahaha

Yeah, I saw that. :P

Anonymous

Stupid me... Why did I use type(a) is SomeType when it's literally 0 more effort to just do isinstance(a, type)

Anonymous

Now I get to go through and change all those

El'endia Starman

9:56 AM

A bit of vim magic would probably be useful there.

Too bad you're not Doorknob. :P

Anonymous

Maybe

Anonymous

Or maybe just a regex

El'endia Starman

yeah, pretty much

Anonymous

Ẉ̷̭̠̰͚̖ͩ̋ͧ͂h̿̽͐ͪ͂̓a̳̥̬͚ͦ̇͌̀ẗ̶̟̳͇͍̭̜̫́̓̏ͩͪ ̬͗ͪ̇͝cͥ̐̑̄̿̓͏̳͔̰̫͎̺o͖̻̦̜̮͆̊̃ͩͮ̚ͅu̘͙̼̳̭̣ͨ͋̽̇̀͢l͔̣͇̪̦̦̲̔ͭͯͭ̎̅͋̀ḓ̙̒͗̅ͩ͡ ̭̺̥̥̙̹̦ͭ͗̎ͥͮ͗̆p̲̼̦̟̝̪̅ͧ̓͐ͤ̑̄o͎̠̠̐̚s͖̼̳ͯͫ͑ͨͪ̀s̩͙͖ͣ̿̇̂̇̌̕i͍̬̟̥͌͒̄ͩ̆̇̾̀b̹͈͋̑l̓̌̊͌̆ͮ‌̰͍̕y̶̫̗̯̮̭̟͇̓̊̎̔͛̃ ̛̗͚͙͎̥͑͋̆̏̇̓̋g̿͑̈́ͫ͌͏̙͎̗͚͙̩ͅo̰̬͕̓̓͛ͪ̏̃ͥ ̭͇̯͇̠̚͡w̟ͯͮ̅͒̍̒r̴͈̠̮̦̫̫͌͑͋̂ͩo̷͕̳͕̺̊͐n̜̹̭̫̎̈̿ͦ̓͛͌͘g͎̗̗̖̼ͭ̑͊̀͝ͅ?͎ͬ̍̍̈ͫͦ

El'endia Starman

lol

Anonymous

9:58 AM

if type(a) is StringType or isinstance(a,SeriousFunction):

Anonymous

What is this horseshit, past self?

El'endia Starman

bahaha

That's........impressive. :P

Okay, g'night!

Aqua Tart

8:23 PM

Hallo, what have I missed?

El'endia Starman

PRETTY AST TREE!

Aqua Tart

No I saw that

very pretty +1

El'endia Starman

I'll implement operators today. I've been thinking about how exactly to do it, coding in my head basically.

Aqua Tart

Cool, cool.

I've been thinking about what the standard library will be like.

I think unlike Python I don't want to split everything up into modules.

I'd rather have the most common things built-in and the more esoteric in modules.

El'endia Starman

I was thinking much the same. Just make everything built-in (within reason).

Aqua Tart

8:29 PM

That's what Perl does

I also definitely think a preprocessor would be cool.

@define, @include, etc.

El'endia Starman

What's the advantage of a preprocessor?

Aqua Tart

@El'endiaStarman #define is a really cool tool in C since it allows you to alias certain syntactical structures that can't be put in functions

El'endia Starman

I've also seen it...well....abused...

Aqua Tart

#if is also awesome because it happens before compiling (or in our case interpreting) so you can take out certain sections of code depending on the environment

@El'endiaStarman Well, that's a risk in all languages

El'endia Starman

haha, indeed

Aqua Tart

8:32 PM

Surely you've seen OOP abused before :P

Finally I'd also love to see an @includec for C headers.

That'll be very hard.

El'endia Starman

I've been thinking on providing a --safe flag of some kind that prevents eval, including unknown code, etc...

Aqua Tart

Absolutely.