Lunamark and LuLPeg

[ExeVirus]

I'm currently trying to write a markdown parser in pure lua with luaJIT, and have chosen lunamark as the dependency. It has lpeg as dependency and so here I am.

The issue is likely a mix of things, but the issue I am having seems to come down to a call like (P("=")^1+P("-")^1) returning nil.

This is the callstack:

../luajit.exe: .\lunamark/lulpeg.lua:2255: attempt to call a nil value
stack traceback:
 .\lunamark/lulpeg.lua:2255: in function 'factorize_choice'
        .\lunamark/lulpeg.lua:2476: in function '__add'
        .\lunamark\reader\markdown.lua:914: in function 'new'
        test.lua:3: in main chunk
        [C]: at 0x7ff60cec47d0

the markdown lua referred to above is here

At the end of the day, that markdown.lua just localizes all the LuLPeg.P and other functions to their capital letter equivalent, i.e. LuLPeg.P = P, and at line 916, Parsers.dash and Parsers.Equals are P("-") and P("=").

The only other gotcha in all this is I'm using a pure lua utf8 library to polyfill the 5.3 utf8 library.

Do you have any suggestions? Sadly I'm not smart about lpeg at all.

[ExeVirus]

Small update: I had to change the P("=")^1+P("-")^1 call to P("=")^1+P("-")^2, and later around 1075 or so, I had to remove an arbitrary #P("#"). Seems to be factorization bugs, but again I'm not that knowledgable