Re: Flex and bison howto for C++ users

[Jibin Han]

Hello,
    It seems there is a typo in the code, in parser.y Line54, it should be
"display_command:", not "d_command:".
    This is a good tutorial, but it strictly depends on version 1.875 which has
lalr1.cc as skeleton file, but I am using v1.35 and for some reason I have to
use it, is there any tutorial about Flex and Bison howto for C++ users for
Bison1.35? Because I define a class as yystype, I have to do some hack...

Thanks.

oleg smolsky wrote:

> Hello all,
>
> a while ago after googling and bugging people on this list I figured out how
> to get bison and a C++ compiler talk to each other. It turns out that there
> is no documentation that covers this process, and it is asked repeatedly on
> this list. So, I have written a howto on this.
>
> Please find attached howto.html that describes the following:
> -- creating a small grammar
> -- creating a simple scanner
> -- declaring a common class with attributes that are c++ objects
> -- getting bison to use the new lalr c++ skeleton
> -- getting flex to use objects allocated by bison
> -- compiling all this stuff with cygwin under windows
>
> All healthy constructive criticism is welcome :)
>
> Best regards,
>
> Oleg Smolsky
> Software Design Authority
> Allied Telesyn Research
>
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