KSP function processor, process function, file

FunctionProcessor.kt

class FunctionProcessor(...) : SymbolProcessor {

    override fun process(resolver: Resolver): List<KSAnnotated> {
        ...
        
        val file: OutputStream = codeGenerator.createNewFile(
            // Make sure to associate the generated file with sources to keep/maintain it across incremental builds.
            // Learn more about incremental processing in KSP from the official docs:
            // https://kotlinlang.org/docs/ksp-incremental.html
            dependencies = Dependencies(false, *resolver.getAllFiles().toList().toTypedArray()),
            packageName = "com.morfly",
            fileName = "GeneratedFunctions"
        )
        file += "package com.morfly\n"
    }
}