entity.name equivalents

[Sainan]

In tmLanguage, we can have meta patterns and so match enum MyEnum as storage.type.enum.pluto and entity.name.type.enum.pluto, which allows for nice syntax highlighting like this:

In Prism.js, it seems to me we are limited to only saying "enum" is a keyword, so it's rather monochromatic:

An equivalent of this sort of thing would be nice.