[fpc-pascal] Re: Re: TPLY

[David Riley]

On Fri, 2010-10-29 at 09:24 +1100, Paul Nicholls wrote:
> "Brian Winfrey" <bwcode4u at gmail.com> wrote in 
> message news:AANLkTinQ5BGnuLg05NYuizL8bPoxDeNu3oFYUqHNPagK at mail.gmail.com...
> Thank you, What techiniques have you used in the past that you could
> share to get me started?
> 
> On Wed, Oct 27, 2010 at 8:04 PM, leledumbo 
> <leledumbo_cool at yahoo.co.id> wrote:
> >
> > Learn compilation technique, a recursive descent parser should be easy to
> > understand and code instead of learning automatic lexer and parser
> > generator. Plus, structurally, Java is a very simple language, so AST
> > transformation should be easy. With FPC 2.5.1, almost all Java constructs
> > can be directly translated to FPC dialect, minus anonymous inner class 
> > only
> > AFAIK.
> 
> I would start with this site to learn how to create recursive descent 
> parsers using Pascal :)
> 
> http://compilers.iecc.com/crenshaw/
> 
> Using this information as a starting point, I have created pascal-like 
> script languages (compiled to byte code), and pascal-like HL language 
> compiled to virtual machine ML instructions :)
> 
> cheers,
> Paul 
> 
> 
> 
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A book I'd recommend reading in addition to the Dr. Jack Crenshaw
articles mentioned above would be "Compiler Construction" by Niklaus
Wirth.  It's goes in to a lot more detail than "Let's Build A Compiler"
but still start with the basics.  I found it here:
www-old.oberon.ethz.ch/WirthPubl/CBEAll.pdf .  Mr. (Dr. yet?) Florian
Klaempfl should write a book, he seems to have done pretty good with the
whole Pascal compiler thing.  With the entire FPC crew you'd each only
have to write a few chapters...