| Newsgroups: | comp.compilers |
| From: | rockwell@nova.umd.edu (Raul Deluth Miller) |
| Keywords: | parse, errors |
| Organization: | University of Maryland University College |
| References: | 94-09-142 94-10-023 |
| Date: | Wed, 5 Oct 1994 02:17:05 GMT |
A Johnstone:
: Personally I have always been an RD convert for the very simple
: reason that debugging output from LALR generators is a
: nightmare. When you are developing a new language, as opposed to
: hacking in someone else's C grammar this is a real issue.
Hmm... back when I was mucking around with yacc, I found it essential
to have a tool to correlate the dynamic and static debugging output
from yacc. With such a tool (I used emacs, configured to move show me
the rule that corresponded to the debugging text), it was pretty easy
to see where problems were occuring, etc. [I've long since thrown out
the code, and it wasn't that elegant, but it wasn't very long either
and shouldn't take much to reproduce.]
Raul D. Miller
<rockwell@nova.umd.edu>
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