Apologies for the misconfigured alias, that should be fixed now. El vie, 24 jul 2026 a las 14:03, NomagnoIsNotDead (<[email protected]>) escribió:
> Greetings! > > I have an idea to extend the GNU C preprocessor with a new kind of > directive. Its behaviour should be sufficiently encapsulated by the > following simple example: > > #startdef MACRO_NAME > You may define multiline macros here. > No backslashes are needed. > #enddef > > Specifically, a multiline macro definition block is started by #startdef, > and any text within is interpreted as part of the macro definition. Any > appearance of #enddef at the beginning of a line within this block will > terminate the macro definition. It can be thought of as the traditional C > comment /*text*/-analogue to C++-style comments //text, but for macros. > > It is a purely ergonomic feature for writing large, multi-line macros in a > slightly more maintainable manner. > > I made a prototype in the form of a wrapper around cc1 with the -B command > line option that converts #startdef-#enddef blocks to regular #define s, > but that approach has clear limitations so I am starting work in an > implementation as a libcpp feature. > > I know GNU C is generally open to adding certain extensions, but I also > know this feature touches one of the more forward-facing parts of GCC. So I > would like to ask for feedback and opinions before committing to making a > patch that fulfills the relatively significant requirements in the GCC > contribution guidelines for the C frontend. I am not very experienced with > contributing to large free software projects, so any advice is appreciated. > > Cheers, > Alvaro Saez AKA Nomagno. >
