Re: Difficulties byte-compiling very large .el

[Xah Lee]

On Aug 17, 8:48 pm, Aemon <aemoncan...@gmail.com> wrote:
> On Aug 14, 12:52 pm, Xah Lee <xah...@gmail.com> wrote:
>
>
>
>
>
> > On Aug 12, 7:50 pm, Aemon <aemoncan...@gmail.com> wrote:
>
> > > I've been working on a project to create an elisp target for the ANTLR
> > > parser-generator. Here's the project 
> > > page:http://github.com/aemoncannon/antlr-elisp/tree/experimental
>
> > > The generated parser for ActionScript 3 is over 30k lines long and
> > > fails tobyte-compile with the message:
> > > as3_elispParser.el:31515:33:Error: Invalid character: 256, #o400,
> > > #x100
>
> > > Here's the source in 
> > > question:http://aemon.com/file_dump/as3_elispParser.el
>
> > > I don't think the error is actually related to the content of the
> > > file, as deleting arbitrary chunks seems to make the error go away.
>
> > > There are lots of "Warning: reference to free variable ...." warnings,
> > > but I understand where those are coming from and I'm not worried about
> > > them.
>
> > > Bear in mind there are *lots* of macros being expanded. Most of the
> > > forms with the prefix 'a3el' are macros.
>
> > > Any ideas?
>
> > i don't have much experience inbytecompilingelisp files... nobody
> > seems to have answered maybe i'll take a potshot.
>
> > i tried to download andbytecompile it, but first error is that i
> > lack the required package declared in the first line. So, we couldn't
> > really test it.
>
> > about this error:
>
> > > as3_elispParser.el:31515:33:Error: Invalid character: 256, #o400,
> > > #x100
>
> > are you using emacs 22 with emacs 23bytecode or vice versa? as you
> > might know, emacs 23 went utf-8 for internal char representation, so
> > thebytecode produced are incompatible with emacs 22. The error msg
> > above smells like this sort of problem. If your .el files does not
> > have any non-ascii char, then it shouldn't be a problem though.
>
> > oh, just noticed you did give the project page link above. Am tired
> > atm will have maybe try later. But when did this problem start to
> > happen? There must be a point when things are working and not working.
>
> >   Xah
> > ∑http://xahlee.org/
>
> > ☄
>
> Hi Xah,
>
> Thanks for taking a look.
>
> As of my previous email I'd been using exclusively emacs 22, but your
> mention of emacs 23 inspired me to try it out. Interestingly the byte-
> compile fails with a slightly different error:
>
> ../test/grammars/as3_elispParser.el:31515:33:Error: Args out of range:
> 256, 0, 255
>
> - I searched the file for non-ascii characters and found none.
>
> - The source interprets just fine using eval-buffer.
>
> - The line mentioned (31515) is the second-to-last line in the file --
> I don't see anything special about it.
>
> Still no luck, but I'll keep hammering on it.
>
> BTW, do you know of any other elisp sources that are so large as 31k
> lines?

interesting info. Thanks. The largest single lisp file i know of is
about slightly over 11k lines. e.g. js2-mode.

perhaps try the emacs dev mailing list.

 Xah