Joern Rennecke <amyl...@spamcop.net> writes: > I don't see how going to a struct cumulative_args gets us closer to > a viable solution for a multi-target executable, even if you threw in > C++. Having the target describe a type, and shoe-horning this through > a target > hook interface that is decribed in supposedly target-independent terms > will require a cast at some point - either of the hook argument that > describes the cumulative args, the hook pointer (not valid C / C++), or > a pointer to the target vector, or a pointer to some factored-out part of > the target vector. Converting an empty base class to a derived class > is not really safer than converting a void * to a struct pointer. > And switching to a dynamically typed language is not really on the > agenda...
In C++ we would use a pure abstract base class in the target hooks and the targets would have to provide an implementation for the base class. Ian
