[Github-comments] [geany/geany] Kotlin Language Support (#1581)

[Jonathan Bradley Whited]

I forked the project on SourceForge, but seems like a lot of work, don't know if I will get around to doing it (as I have other projects I'm working on).

I found this:
https://www.scintilla.org/Lexer.txt

Basically, you would need to copy this file as LexKotlin.cxx:
https://github.com/geany/geany/blob/master/scintilla/lexers/LexCPP.cxx
https://sourceforge.net/p/scintilla/code/ci/default/tree/lexers/LexCPP.cxx

Then add the new keywords and syntax that Kotlin has, such as `object` (lower-case), `data class`, `sealed class`, `fun`, `then`, etc. I think you'd probably also want to remove parsing of the ternary operator `a ? b : c` and add parsing for the elvis operator `a ?: b`.

You can also look at this project that is adding the Rust language:
https://sourceforge.net/u/dobkeratops/scintilla/ci/default/tree/

Here are other open source projects that have added Kotlin support for help as well:
https://github.com/vkostyukov/kotlin-sublime-package
https://github.com/nishtahir/language-kotlin

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