There is a way to call kotlin from objective c/swi...

# kotlin-native

[adev_one]

There is a way to call kotlin from objective c/swift in iOS?

[svyatoslav.scherbina]

Yes, there are some tricks to achieve this.

1) You can run Kotlin main function from C by calling Konan_main C function.
It can be declared as

extern "C" int Konan_main(int argc, const char** argv);

For example, see concurrent sample: https://github.com/JetBrains/kotlin-native/blob/master/samples/concurrent/MessageChannel.cpp#L156

2) You can pass some Kotlin functions as callbacks through C interop. See https://github.com/JetBrains/kotlin-native/blob/master/INTEROP.md#callbacks for more details.
Using callbacks is currently not so trivial as it could be. It is required to declare function type (e.g. using typedef) in C header and then generate bindings with cinterop tool.

[adev_one]

@svyatoslav.scherbina Can I compile my kotlin code to static library (or llvm bytecode) or I should compile whole my project by konanc/kotlinc? I tried to include .kexe just like .a and compile .bc by clang and include but xcode cant build my project with "clang: error: linker command failed with exit code 1".

[olonho]

you use konanc as the final linker, linking with external .a, but entry point could be in those .a, not in Kotlin code, see Tetris example for iphone