I am not a compler expert, but if I all I am interested in few productions out of many productions, I can setup by scanner to generate tokens pertaining to interesting productions and ignore the rest. As I said, I am not a compiler expert. So, I could be understating the problem ..
I will have a look at the parser library. Thanks ... Regards On Mon, Mar 31, 2008 at 8:16 PM, Chas. Owens <[EMAIL PROTECTED]> wrote: > > On Mon, Mar 31, 2008 at 10:36 AM, Sharan Basappa > <[EMAIL PROTECTED]> wrote: > > Hi, > > > > I am trying to extract information from a file that follows the syntax > > of a high level language (something like C++) > > The script just needs to understand a very minuscule portion of this > > language to do this. It does not have to > > know the complete high level language. I just wanted to know any > > modules are available within perl that makes > > this job easier. I feel it is possible to do the complete work in > > perl, but I might be wrong. Especially around the > > recursion that languages support. The other option I have is to use a > > public domain parser like Bison and parse > > the input, build some data structure that perl can lookup and do the > processing. > > > > I would like to know experience of people on this forum ... > > > > Regards > > > Take a look at Parse::RecDescent*. In general, it doesn't matter if > you want to work with a small piece of a language or the whole > language, you still need to implement a parser for the whole language. > You can get an eighty or ninety percent solution without a full > parser, but there will always be problems. > > * http://search.cpan.org/dist/Parse-RecDescent/lib/Parse/RecDescent.pm > > -- > Chas. Owens > wonkden.net > The most important skill a programmer can have is the ability to read. > -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
