At first I fumbled around and got it by accident. Then I found a post by Brent Dax on the Perl 6 mailing list called "babyperl.pl" which is a mini perl parser, and took that apart.

I also have some books, one by Niklaus Wirth called "Compiler Construction". Check the comp.compilers homepage for Jack Crenshaw's excellent "Let's write a compiler" online tutorial. The page also has other resources that are very handy indeed.

Finally, /msg me... I'm in the middle of writing a pascal compiler so I'm facing the same issues you are looking at.

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Jeremy
I didn't believe in evil until I dated it.