[gambit-list] compiling javascript syntax to scheme
Marc Feeley
feeley at iro.umontreal.ca
Mon Mar 22 16:41:18 EDT 2010
On 2010-03-22, at 4:30 PM, James Long wrote:
> Hey guys,
>
> I'm thinking about a product I want to develop in the future, and I think a crucial point will be to convince non-Scheme developers to use it, and possibly convert them to Scheme programmers. I want to include a "scripting" language in my product which has the syntax of Javascript. I want to compile this language to Scheme.
>
> This is exactly what SIX does in Gambit, but SIX doesn't quite have the grammar I want and is incomplete (I think "return" does nothing?).
>
> Is anyone else interested in working on this? I need to look at the SIX compiler in Gambit. I could either extend it, or write a parser from scratch using something like SILex. I love the idea of SIX (including a built-in infix grammar), but is it used anywhere? Is anyone interested in improving SIX to make it more usable as an actual language?
Funny you ask! I'm interested in implementing a JavaScript parser generating S-expressions as AST. By writing appropriate macros for the nodes of the AST, the semantics of JavaScript could be implemented (or by a simple code-walker if macros are not powerful enough). I looked around and apparently there is a PLT package which implements a JavaScript parser and evaluator. Maybe that would be a good starting point.
Marc
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