On Tue Feb 28 11:53:17 EST 2012, ba...@bitblocks.com wrote:
> I have almost always used a handwritten lexer as it seemed about the
> same amount of work and the end result is much smaller and easier to
> understand and lexers for different languages are not all that
> different so once you've writt
I have almost always used a handwritten lexer as it seemed about the same
amount of work and the end result is much smaller and easier to understand and
lexers for different languages are not all that different so once you've
written one it is pretty easy to write another; and somehow lex or fle
Nick LaForge wrote:
> If you have "The Unix Programming Environment" handy, you will also
> find a lucid tutorial of Lex and Yacc both (in the later chapters).
A great complement to this great book is the yacc paper in tenth
edition's manual.
--
Aram Hăvărneanu
Are you certain you want to use Lex? If no, you may like this
fascinating and instructive lecture by Rob Pike, which solves a lexing
problem using Golang: http://www.youtube.com/watch?v=HxaD_trXwRE
If you have "The Unix Programming Environment" handy, you will also
find a lucid tutorial of Lex an
O'Reilly's "lex & yacc" is somewhat more user-friendly a reference than
the dragon book, although the latter certainly has its value. :-)
Arnold
On 2/27/2012 7:18 AM, erik quanstrom wrote:
For this could someone please tell me how to write a lex and yacc
program.
you may wish to consult the dragon book. just google it.
- erik
FYI I just bought my copy on Amazon used for $3.48 USD ($3.99
shipping). It is a hardcopy in great sh
> For this could someone please tell me how to write a lex and yacc
> program.
you may wish to consult the dragon book. just google it.
- erik
global{
verb
test
rl0
rand (or) rand =0 [Two cases]
}
thread{
frac_value = (0.2,(0.1,0.5))
random_thread
}
OUTPUT should be this:
If i give the above input to lex and yacc, based upon the checking of
[ rand (or) rand=0 ]
if it is "rand", then it should print as " ve
