Understanding some pieces of luatex the program

Asked Aug 03 '12 at 14:12

Active Aug 03 '12 at 14:12

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I'm looking forward the implementation of a tex.execute() command on the lua side in luatex. But it needs patching luatex the program and I have a dream: providing the patch... :)

As I have nearly no experience with dealing with such big projects with lots of libraries entangled, I'd like to be taught how to read a piece of luatex code and understand it.

I have three examples in mind:

the \directlua primitive (to understand the tex2lua route);
the tex.sprint function (to understand the lua2tex route);
the tex.getbox function (to understand how lua interact with TeX material).

Note: when travelling for summer holidays, I can understand people speaking C provided they speak slowly but I'm a bit too shy to speak myself :)

edited Apr 13 '17 at 12:35

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asked Aug 03 '12 at 14:12

cjorssen

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I'm not sure what the question is here – Joseph Wright Aug 03 '12 at 14:13
@JosephWright Ok, I'll edit to try to be more specific. – cjorssen Aug 03 '12 at 14:15
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If you plan to provide a patch to luatex, it is essential to read the Luatex manual (which assumes that you already understand the TeXBook). – Aditya Aug 03 '12 at 14:44
Any news on this here? Should we close it or do you plan to provide some details? – topskip Aug 25 '12 at 07:13
@PatrickGundlach Let's close it. I'll try again in the future. – cjorssen Aug 25 '12 at 13:09

Understanding some pieces of luatex the program

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