Re: latex grammar

bonzini@gnu.org (Paolo Bonzini)
3 Apr 2004 09:12:53 -0500

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From: bonzini@gnu.org (Paolo Bonzini)
Newsgroups: comp.compilers,comp.compilers.tools.javacc
Date: 3 Apr 2004 09:12:53 -0500
Organization: http://groups.google.com
References: 04-03-099
Keywords: parse
Posted-Date: 03 Apr 2004 09:12:53 EST

> Where can I find grammar for latex so I can create parser?
> Thanks for any advices.


LaTeX is interpreted and it is pretty much impossible to create a
complete parser for it. It should be possible (and fairly easy, I'd
say) to support a streamlined version without macros (except very
simple ones -- no \ifs, no \futurelet, no \expandafter, no token
registers, etc.), catcodes (again except possibly some easy ones), and
most of TeX complexities (\hbox/\vbox, \halign, only very simple
glues, \specials, leaders, marks, insertions, etc. etc.). In other
words, expect to hardcode in your parser something to support for
every LaTeX package you care about.


Paolo


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