I wrote and use regularly similar macros for C, oriented towards minimal context.
They are less advanced on some areas, but more advanced on some.
For example, they do not depend on C11 generic feature, which is an advantage on the many non-C11 platforms (like 8-bit-targeting compiler SDCC).
On the strong side:
* log any expression: `somemacro(foo.bar())` will log `foo.bar() = 42`
* compile-time global enable/disable
* compile-time debug level threshold
I've been planning to share that for a moment.
Some working parts are used on https://github.com/cpcitor/color-flood-for-amstrad-cpc/blob/...
It will eventually appear on https://github.com/fidergo-stephane-gourichon?tab=repositori...
I also wrote similar macros for C++ mentioned on https://news.ycombinator.com/item?id=21071367
