Are there more variables like {mainFileParent} and {projectDir}?

[sujaldev]

I want to set my output path to something like this {mainFileParent}/build/{fileName} where {fileName} is the name of the file being compiled (with extensions). How can I do this?

[PHPirates]

Not at the moment, but in the new run config (currently available as beta version) you will have many more options to choose from:

Interestingly the file name does not appear to be in there, so we need to add it manually.