On Sun, Mar 22, 2015 at 6:38 AM, Michael Van Canneyt <[email protected] > wrote: > > On Sun, 22 Mar 2015, Alfred wrote: > >> Hello again to all, >> >> I am enjoying variant late binding AND interface RTTI for a while now ! >> Thanks again ! >> >> As far as I know, the patch for RTTI has not yet been included in trunk. >> But correct me if I am wrong. >> >> I would like to ask to include the RTTI patch for i386 in trunk. >> With i386 interface RTTI, FPC is on level with Kylix for the RTTI part. >> >> To ease introduction, I would like to suggest to include a new >> HASINTERFACERTTI flag, which will let the FPC user know, the new RTTI is >> available for use. >> >> At this moment, it will only be i386. >> > > I can't remember when I last used i386 code. Must have been more than 10 > years ago. > > But I hope also ARM will be included in the trunk. >> On my Raspberry Pi2, the new RTTI works flawless. >> > > The core developers are divided on the approach to take. Hence it is not > yet included. > The code is highly non-portable, which means that each platform must be > maintained separately. > This means additional pressure on people who maintain these other > platforms. > > The idea is to use a manager approach (as for instance for threads, > locale, widestrings) > using a libffi wrapper as fallback for platforms for which no native > manager is available. > (see https://sourceware.org/libffi/) >
It seems that somebody implemented that in FPC: https://code.google.com/p/la-pe/ Not tested yet. > However this means the RTTI info must be written in a format that can be > fed directly to libffi. > (or using a conversion routine). In each case, additional work is needed. > > My - and Florian Klaempfl's, if I understood correctly - idea is to > include what exists, and then modify the code as needed so it can work with > libffi. Others fear that this will mean the ffi wrapper will not get > written anytime soon. > > Michael. -- Silvio Clécio My public projects - github.com/silvioprog
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