Re: Looking for a Lex/Yacc free ebook

toby <toby@telegraphics.com.au> wrote:
> Thomas Dickey wrote:
>> > [Agree about flex, but Berkeley Yacc hasn't changed in at least a decade.
>> > It doesn't need support. -John]
>>
>> see
>> http://invisible-island.net/byacc


> The aspersion on that page seems unfounded. It's getting difficult to


At the time I wrote it, bison insisted on using alloca(). But see below -


> find a mainstream UNIX that has not adopted gcc as its standard
> compiler, but bison-2.1 builds with gcc/g++ in "-ansi -pedantic" mode,


yes - it does, but watching bug reports, I notice that it doesn't
necessarily accept grammars that yacc did (whether this is a good
thing or not appears to depend on your attitude).


> as well as with Intel icc "-ansi" and lcc (which is bare bones ANSI),
> so I expect it is portable to pretty much any ANSI compiler.


It would be nice if "-ansi" actually did what it's advertised.


--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net

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