Section External, methods being optimized out

[Mildred Ki'Lya]

On 08/25/2009 05:46 PM, Jeremy Cowgar wrote:
> Now, thinking about this... Maybe the answer is simple? Why not just
> output *all* slots in the External section? The resulting .c file will
> be a bit larger, however, the C compiler will optimize out a function
> that is not used anyway, so the resulting executable will be no
> different.
>   
This is the right thing to do in my opinion. If we created and External
slot, it was to use ut somewhere. We can't throw them away.

Now, I also have an idea that could replace External slots sometimes:
When blocks are present in externals, just create a function for the
block and put the function pointer in the C code. For example:

+ blc :{INTEGER;INTEGER};
blc := { i:INTEGER; i};
`use_callback(@blc)`;

would translate in C:



typedef int (blc_ptr_t*)(int)
void use_callback(blc_ptr_t);

int blc(int i) {
    return i;
}

use_callback(blc);

-- 
Mildred Ki'Lya
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