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Mitchell Blank Jr
9e336b00e5
One of the biggest set of changes needed to make C++ compile, is that you
can't autoconvert "void*" to a different pointer type without a cast (you
can of course, convert pointers *to* "void*"!)
For the first part, convert the users of "mrb_obj_alloc". Since it has
to return something, make it RBasic* (that's what mrb_obj_alloc() is
operating on anyway). This way, even in C you'll get a warning if you
don't cast it.
For places where there are a lot of similar calls to mrb_obj_alloc(),
this can be easily hidden through a macro. I did this in string.c:
#define mrb_obj_alloc_string(mrb) ((struct RString *) mrb_obj_alloc((mrb), MRB_TT_STRING, (mrb)->string_class))
I also updated the mrb_object() macro to also return a RBasic* -- my
previous commit changed that from "void*" -> "RObject*", but I figure
it should be consistent with mrb_obj_alloc()