[C/C++] Highlighting user-defined types (classes, structs, typedefs)

[fantasai]

Pulling up https://forum.sublimetext.com/t/highlighting-user-defined-data-types-c-in-sublime/67277 into an issue, since I'm also running into this problem: user-defined types (typedefs, classes, structs, enum types) and variables are colored the same way, but should be distinct.

Types are just annotations, whereas the variable and function names are the core of what you're doing, so distinguishing them is somewhat important for C and C++. In fact I think it'd be preferable to lose the distinction between built-in and user-defined type names (which are much closer to each other in meaning and usage) than not have one between user-defined type names and variables.

I'm unsure if this is fixable, but it's certainly come up on various forums multiple times.