There are a lot of code bases that are in production use and wary
about changes of this sort, especially when it's something like
lexer/parser logic which can be a bit of a handful to understand in
the first place. If it *doesn't* "just work" for whatever reason
fixing it may be a bit daunting, especially if the guy who wrote the
original lexer/parser code retired five years ago and no one on the
current team knows anything about it.
I see.
So for now, 2:0 in favor of old names.
This may or may not make any sense, but what about the following as a
possibility?
Have a --names_prefix option that, rather than hard coding old (yy/YY)
or new (re2c/RE2C) options, allows a user specified choice? Default
to yy/YY still, since that's the prevalent style in other tools and
codebases, but allow any particular user to override (--names_prefix
re2c, for example, would replace yy with re2c and YY with RE2C) if
they have a situation where the deciding factor is avoiding conflicts
rather than external compatibility.
Would that be a practical option?
Cheers,
CY
The thing is, re2c allows to override each particular name
(or at least its prefix)using inplace configurations, e.g:
re2c:define:YYCURSOR= <new name>;
re2c:labelprefix = <new prefix>;
re2c:label:yyNext= <new name>;
re2c:variable:yyaccept= <new name>;
So the main point was more of a "global name unification",
but if it's that bad, I'll just add inplace configurations
for new names:
re2c:define:YYPEEK
re2c:define:YYSKIP
re2c:define:YYBACKUP
re2c:define:YYBACKUPCTX
re2c:define:YYRESTORE
re2c:define:YYRESTORECTX
re2c:define:YYLESSTHAN
Still waiting for other re2c users' opinions. :)
Ulya
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