Hi Jonas,
----- Original Message ---- > From: Jonas Maebe <jonas.ma...@elis.ugent.be> > To: FPC developers' list <fpc-devel@lists.freepascal.org> > Sent: Thu, November 12, 2009 7:48:58 AM > Subject: Re: [fpc-devel] LLVM Backend? > > -snip- > It does make a difference. Unfortunately. While working on a patch to add > Borland fastcall support to GDB, I discovered that there's a bug in our > implementation of Borland fastcall on Mac OS X (although I'm still not sure > why). I'll try to fix it tonight and create a test file that you can use. > Thanks! > > Also, as part of the Mattathias BASIC project, our team leader has almost > completed the LLVM-PEG utility for implementing parsing expression grammars > in > LLVM Assembly. If I end up continuing the work I started on a new LLVM-FPC > parser I'll be using that as my tool of choice and implementing the code > sections with support routines from LLVM and Clang. (I won't have the liberty > of > using Clang's libraries in the BASIC compiler since BASIC requires a two-pass > compilation process.) > > That's quite an undertaking! > LLVM does most of the work with its support routines but I expect that once we get the core language support in (including the ability to extend the language), users will help with writing a few extensions themselves. > > I hope your workload permits you to work on the function calling mechenism > soon. Thanks for your advice. > > Even once this is finished, how do you propose we pass type information from > FPC > to LLVM libraries? Via strings in LLVM assembler format? (since I've already > written that code) Or another way? > There are classes to create any type documented at http://llvm.org/docs/ProgrammersManual.html#Type . As of the current 2.6 release there are now more extensive C bindings included with LLVM than were previously available. Once I get the trunk downloaded I'll see about a link to the actual documentation on how to use those C bindings. Thanks for your help, --Sam _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
