[antlr-interest] Building own interpreter

[William v Doorn]

How am I going about this? I generated those basic Java files, but what now?

I'm trying to make a simple DSL to make it easier for my developers to
create specific code.

2010/4/9 Andreas Stefik <stefika at gmail.com>

> If it doesn't matter for your particular application at all, then
> cliff's suggestion is probably best. Just emit out code that can be
> read by a traditional compiler (e.g., gcc). Only design a full
> evaluator/interpreter if your application (whatever it is), demands
> it.
>
> Stefik
>
> On Fri, Apr 9, 2010 at 2:13 PM, Cliff Hudson <cliff.s.hudson at gmail.com>
> wrote:
> > If you decide to go the compiled route, also consider just writing a
> > translator from your language to a compiled one, such as C or C++.  Then
> you
> > don't have to implement a compiler at all which will save you a ton of
> time.
> >
> >
> > On Fri, Apr 9, 2010 at 12:09 PM, Andreas Stefik <stefika at gmail.com>
> wrote:
> >>
> >> That's hard to answer without knowing context. Compilers are tricky
> >> things. For example, you might make a simple evaluator that will
> >> inevitably run very slowly, but do the job you need. Or, you might
> >> make something that generates code that ultimately be compiled into
> >> very fast C code to be compiled by a GCC compiler --- or who knows
> >> what.
> >>
> >> That's why I'm saying it depends on context. What problem are you
> >> trying to solve with your DSL?
> >>
> >> Stefik
> >>
> >> On Fri, Apr 9, 2010 at 1:59 PM, William v Doorn <
> williamvdoorn at gmail.com>
> >> wrote:
> >> > Andreas,
> >> >
> >> > Well, I can already execute some code and evaluate it, but is this
> >> > really
> >> > the way to do it? e.g. could I use this as interpreter, or do I need a
> >> > fully
> >> > different approach? (see the file I attached)
> >> >
> >> > Thanks
> >> >
> >> > William van Doorn
> >> >
> >> >
> >> >
> >> > 2010/4/9 Andreas Stefik <stefika at gmail.com>
> >> >>
> >> >> William,
> >> >>
> >> >> This is a complex question to answer, and it really depends on your
> >> >> needs. For example, creating a whole compiler from scratch is
> >> >> difficult, but possible. We have our own compiler (with an ANTLR
> front
> >> >> end), that integrates our own custom language, called HOP, which is
> >> >> basically a novice programming language we distribute to schools for
> >> >> the blind. Our implementation is on sourceforge and is under GPL2, so
> >> >> you are welcome to look at it (Search for "Sodbeans"). We also
> >> >> integrate our custom compiler into NetBeans.
> >> >>
> >> >> On the other hand, if your needs allow it, you can also do things
> like
> >> >> have your antlr grammar generate java byte code or assembly directly,
> >> >> which is sometimes easier, again depending on what you need. And very
> >> >> simple interpreters for very simple languages aren't too tough, if
> you
> >> >> know what you are doing, and depending on your requirements.
> >> >>
> >> >> Hope that gives you some tips, at least. Short answer: Yes, it's
> >> >> definitely possible, but it depends on your goals, and it's typically
> >> >> not something you would bang out in a weekend.
> >> >>
> >> >> Andreas Stefik, Ph.D.
> >> >> Department of Computer Science
> >> >> Southern Illinois University Edwardsville
> >> >>
> >> >> On Fri, Apr 9, 2010 at 1:44 PM, William v Doorn
> >> >> <williamvdoorn at gmail.com>
> >> >> wrote:
> >> >> > Hello all,
> >> >> >
> >> >> > I've been reading the The definitive ANTLR book and I've made my
> own
> >> >> > small
> >> >> > language using the AST strcuture.
> >> >> >
> >> >> > Now I was wondering, is it hard to make my own compiler/interpeter
> >> >> > for
> >> >> > this?
> >> >> > I can feed files and such to it, but how would I make my own
> >> >> > interpreter/compiler?
> >> >> >
> >> >> > Thanks,
> >> >> >
> >> >> > William van Doorn
> >> >> >
> >> >> > List: http://www.antlr.org/mailman/listinfo/antlr-interest
> >> >> > Unsubscribe:
> >> >> >
> >> >> >
> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
> >> >> >
> >> >
> >> >
> >>
> >> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> >> Unsubscribe:
> >> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
> >
> >
>