D scripting (c++ integration)

[mike]

Maybe for DMD 3.0 ...

' import std.compiler;
'
' char[] source = "writefln(\"Hello World!\");";
' void delegate() foo = compile(source);
' foo();

That would be just awesome :-)

- mike

> 1) Launch the D compiler from within your app directly, to compile the  
> "script" you want to run - std.process works well.
> 2) Use DDL to bind the .obj file from the compiler output.  The linker  
> will return a DynamicLibrary object to use.
> 3) Use the DynamicLibrary to bind any functions, classes, or static  
> fields that you know to exist in the compiled script.
>
> That last point is kind of tricky.  While you can simply force script  
> coders to adhere to a particular interface, I found it easier to wrap  
> the whole script in a function (call that step #0) before compilation.  
> This ensures that the starting point of the script was always known, at  
> the cost of disallowing some D constructs (bang-line, imports, module  
> static init, etc).  It also allows the script author to start from line  
> 1, much like one can in PHP or JavaScript.
>



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