Re: yacc.c: Extracting yysyntax_error

[Akim Demaille]

>>> "Paul" == Paul Eggert <address@hidden> writes:

 > I installed the following patch in the hope of addressing the issues
 > involved.  I couldn't make it quite as clean as the glr.c version due
 > to backward compatibility issues with alloca.

Frankly, is alloca really worth so much trouble here?  If it needs to
grow the stack then we waste space; actually a statically allocated
stack might be preferable is the matter is to save some calls to the
OS (no no no, I'm not proposing an additional memory management
scheme!).

I hardly believe there are environments, even embedded, that support
alloca but not malloc.

So what is exactly the point of striving for alloca?  alloca is a
great tool to simplify the deallocation, but that's not our case.
alloca provides speed improvement, but is it really measurable in the
case of a parser?