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- From: "Joshua E. Smith" <email@example.com>
- To: <firstname.lastname@example.org>
- Date: Tue, 04 May 1999 22:15:21 -0400
>I think you are getting confused with your compiler terminology. The only
>thing that I can see marking up your program using XML helping with is the
>lexing stage i.e. recognising the tokens. Using a DTD would help with some
>syntax validation but I'm sure there are rules that you would want to
>enforce that can't be expressed in the DTD. Also think about what sort of
>error messages you want to give back to the programmer and how well your
>proposed solution will handle that.
This is all academic. When I can show you what this "language" looks like,
you'll laugh that I was calling it "programming" in the first place.
Nonetheless, always up for the academic discussion, you can express the
entire syntax of the LISP programming language in less than a page of DTD,
I bet. DTD's syntax is almost as expressive as that of XML itself.
>> My language isn't anything like LISP or ALGOL, but I think this gets the
>> point across. It's pretty easy to write programming languages which are
>You might be able to define a language easily but XML isn't going to help
>with the interpretation.
I already have the interpretation done in my own software. I'm looking for
XML to help with editing, not compiling/interpreting.
>At least using tools like yacc/lex, javac and antlr you can link the grammar
>to what you want to do with the language which aids maintenance. I agree
>with David, I don't think programming languages marked up using XML is a
>good way to go. I know people are doing it but it strikes me as a case of a
>man with a hammer thinking everything looks like a nail.
Well, that wouldn't seem to apply here since I didn't know squat about XML
until three days ago when I bought a book. ;)
It's more a case of I have a tack, and I see this really cool hammer, and I
just need to figure out how to use the hammer on tacks when it was designed
for nails. Or something like that.... ;)
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