From: "B. K. Oxley (binkley)" <binkley@...>
Date: 2005-04-28T01:04:16+09:00
Subject: Re: node.h and nd_line

Yukihiro Matsumoto wrote:
> Line numbers are packed in the flags bits.  It's a trick to save
> memory.  Since all nodes and objects shares same heap slot, adding an
> extra field cost 4 bytes (or 8 bytes on 64bit machines) for every
> object.

What, then, is the purpose of the nd_line field?  I do not find access 
of the field in the sources.

$ find . -type f | xargs grep '\.nd_line'
$ find . -type f | xargs grep -- '->nd_line'


Thanks,
--binkley