Re: proposed patch for Bison core dumps when using lalr1.cc

[Akim Demaille]

 >> From: Akim Demaille <address@hidden>
 >> Date: Sun, 02 Feb 2003 10:22:48 +0100

 Paul> However, I'm puzzled: why is the header required for C++?
 >> 
 >> Because the code is designed this way.  Actually, the real
 >> question is why is it not in C.

 Paul> To allow for the simple case when the .y file itself defines yylex,
 Paul> or the simple case when no token codes are needed and the
 Paul> automatically-generated YYSTYPE and YYLTYPE are not used.
 Paul> In these two simple cases, the header file is unnecessary.

 Paul> Admittedly the simple cases are not as popular these days.
 Paul> Still, they are in use, and the longstanding tradition is to write a
 Paul> header file only if -d is specified.

 Paul> It would be confusing for users if C and C++ behaved
 Paul> differently here.

I don't think so.  Generating C without headers belongs to the past.
Except for yacc.c, I believe all the other skeletons can generate
mandatory headers.