D2H

[Everlast]

On Wednesday, 1 August 2018 at 15:55:28 UTC, Everlast wrote:
> On Wednesday, 1 August 2018 at 15:48:27 UTC, Everlast wrote:
>> Is there any program that can take a D file and essentially 
>> make an H file for other programs to import for dll work?
>>
>> I want to create the DLL's in D rather than C++ and would like 
>> to generate the H file from the D file.
>
> Also, when I try to load a dll generated by matlab(the target) 
> it says that it is an invalid dll.
>
> see
>
> http://matlab.izmiran.ru/help/techdoc/matlab_external/ch2_sha6.html
>
> Maybe you can get a simple dll to work?


import core.sys.windows.windows;
import core.sys.windows.dll;

export extern(C) int foo()
{
	return 42;
}

mixin SimpleDllMain;


and for the .h file

__declspec(dllimport) int foo();

then in matlab

unloadlibrary test
loadlibrary test
calllib('test', 'foo')

seems to work out.