Add to language syntax in Netbeans/Eclipse

This may seem like seem like a bit of a weird/uncommon request but I am trying to fi开发者_运维问答nd out if it is possible. I would like to add to the language syntax in Netbeans or Eclipse easily without needing to create an entirely new language. According to this question How to add more syntax elements for eclipse it is not possible in Eclipse, but that was asked in 2008 so maybe things have changed.

The reason I want to do it is I am developing in node.js and it uses callbacks quite heavily. So it would be nice if I could make the word 'callback' and 'callback()' be highlighted in a different colour so it can be easily seen in amongst the rest of the code.

Thanks for your help!

The css thing is really easy: go to Options/Miscellaneous/Files, create new file extension less and then select proper MIME type text/x-css. I Believe that it is possible to extend syntax highlighting in NetBeans IDE but you have to write your own plugin to do that.