To: oatmealine@disroot.org, ~welt/public-mail@lists.sr.ht
From: welt <welt@spiderden.net>
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Subject: IsaacScript article and some information (with correction)
Message-ID: <f713ff0d-286a-a1ae-a2ef-36962860145c@spiderden.net>
Date: Mon, 1 Nov 2021 04:56:10 -0400
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From: welt <welt@spiderden.net>
To: oatmealine@disroot.org, ~welt/public-mail@lists.sr.ht
Message-ID: <f713ff0d-286a-a1ae-a2ef-36962860145c@spiderden.net>
Subject: IsaacScript article and some information (with correction)

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I was gonna write an article about IsaacScript but you've beaten me to=20
it. Good article.

I'm the one who did that long rant you quoted in Lamb's Discord guild=20
(with the spider emoji as the username).

 > From a skim of the outputted code [IsaacScript] seemed to have=20
quadrupled the line count in most of the functions I looked at compared=20
to normal Lua (ignoring the branching functions where it tries to=20
emulate some features)

I wanted to include more details about what I was testing at the time,=20
and share some data and source code.

At the time I was experimenting with transpiling Go code to Lua via=20
IsaacScript (Go -> J$ -> Lua). This not only provides a doubling of=20
overhead, but introduces the GopherJS runtime. This works as an=20
excellent stress test against the TS2L transpiler.

You can find the source for my experiments here:
https://git.sr.ht/~welt/naked

(I forgot I wrote that README lol)

Going back, quadrupled is inaccurate. More accurately it doubled/tripled =

to the code size. Still pretty bad. Your mileage may vary.

Go -> JS:=20
https://paste.sr.ht/~welt/63fb1630630884791b72ddd26e3d8c51237edddd#Gopher=
JS%20output
JS -> Lua:=20
https://paste.sr.ht/~welt/63fb1630630884791b72ddd26e3d8c51237edddd#TS2L%2=
0output%20from%20GopherJS

TS2L introduced about 89 functions starting with __TS__. Many of which=20
are called throughout the code.

This is using the example package in the naked repository. You can test=20
it for yourself. You'll notice a couple of things:

1. TS2L spams the console with complaints about unsupported features and =

other errors
2. It decides to compile them anyways and output a file

Which goes to show how flimsy it is. A fatal error like *not supporting=20
a feature* should not output a file. And the mod did not load=20
successfully (if I recall it was complaining about a missing TS2L=20
function or something?)

P.S. Is your Matrix correct? I'm not getting any profile information.=20
The formatting on your site is incorrect, it's supposed to be=20
@user:example.com.

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