Andrei's list of barriers to D adoption

[Adam D. Ruppe via Digitalmars-d]

On Friday, 10 June 2016 at 11:11:49 UTC, Chris wrote:
> Nice. Anyone interested in turning this into "DScript"? Having 
> a scripting language powered by D would also boost D's 
> prestige. And it would be easy to write modules in pure D.

So I use my toy thing from time to time and it is pretty cool. My 
favorite part (and the reason I made it) is the easy interop with 
D itself: you basically just assign your D functions and values 
to a global object and get them out via the same var type - in D!

var globals = var.emptyObject;
globals.write = &(writeln!string);
var result = interpret(your_script_string, globals);
writeln(result);


where the script string looks like:

write("Hi!");
10 + 3 * 4;


and it will work:

$ dmd test.d arsd/script.d arsd/jsvar.d
$ ./test
Hi!
22



So really easy to use in all three ways: D interop is easy, the 
script lang itself is easy, and compiling it is easy, it is just 
the two modules.


I've even did a bit of GUI and DOM wrapping with it and my 
simpledisplay.d and dom.d in toys... a surprisingly big chunk of 
things just work.



The downside though is that it is something I basically slapped 
together in a weekend to support var.eval on a lark... it has a 
few weird bugs and the code is no longer beautiful as it has 
grown organically, and it isn't very fast, it is a simple AST 
interpreter that makes liberal use of new objects in D (even like 
a null object is allocated on the D side), but it is REALLY easy 
to use and coupled with native D functions for real work, it 
might just be interesting enough to play with.

tho idk if I'd recommend it for serious work. Just use D for that!