You could let your application generate valid Go source, call the compiler
to build a plugin, and load that plugin. I haven't tried that yet, but i
think it should work. Downside is that you need to Go tools on the target
machine for it to work. I don't know how many times you have to generate
new functions, the plugin system can't unload a plugin, so things might not
go so smoothly when you need to do this a lot of times in a single run of
the program.
On Friday, August 30, 2013 at 10:21:18 PM UTC+2, jzs wrote:
>
> Hi gophers,
>
> I was studying runtime code generation and was wondering if there's a way
> to generate a function at runtime.
>
> Let's say we have a function: fun(a,b) {return a+b}
>
> This function is parsed to our program as a string, parsed and compiled to
> a function in go.
>
> In C# and java you can do this as you have access to the clr and jvm which
> can jit compile your function for you.
>
> Now go is a statically compiled language and as far as I can see the
> reflect package is not powerful enough for such operations.
>
> Are my assumptions correct that this is not currently possible?
> Could it be done through cgo? (If yes a hint to c documentation would be
> nice :) )
> Would it be possible in go in the future?
>
> Creative ideas are welcome but prefer portable solutions so no assembly
> generation through c or such :)
>
> For performance reasons it wouldn't be beneficial to have a. Net runtime
> running that you sent a million requests to.
>
> Kind regards,
> Jzs.
>
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