I've searched the internet far and wide (for at least half a day now) and I can't seem to find the answers needed. Currently I'm trying to create a .bnf-file for an IntelliJ-Plugin with custom lan...

I am writing a Custom Language plugin for IntelliJ. Here is a simplified example of the language. Note that the structure is recursive: I have successfully implemented the FLEX and BNF files, b...

I have never used JFlex before, and I have no idea how it works. Basically, I've built a runtime for a scheme-esque language in Java, and the parser I have for it was generated using Antlr 4, so I ...

I'm trying to develop a custom language plugin for IntelliJ using the Grammar-Kit plugin. I am easily able to provide syntax highlighting for tokens defined, but I cannot figure out how to highligh...