I've been checking out the Language Plugin documentations for IntelliJ IDEA. From what I can tell, the documentation seems to suggest to develop a lexer, parser etc. in Java. Is it not possible to integrate an already existing compiler? All I'd like to do is to run my compiler (written in C) every time the source code is changed, and display any errors inline, by parsing the output of the compiler. Is this possible? Thanks for any suggestions!