Cpp to kotlin

karippery · April 1, 2019, 2:02pm

Hello,
I want to use opc_ua cpp library in kotlin_native

open62541/open62541/blob/master/examples/server.cpp

/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */

#include "open62541.h"

#include <signal.h>
#include <stdlib.h>

/* Build Instructions (Linux)
 * - gcc -std=c99 -c open62541.c
 * - g++ server.cpp open62541.o -o server */

using namespace std;

UA_Boolean running = true;

static void stopHandler(int sign) {
    UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "received ctrl-c");
    running = false;
}

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I almost at the end part. please help me

I created .def file and using kotlinc-native compiler i made .klib file
I got a library file “lib.kt”
i made a sample.kt for test this library.
when i write code import are working fine
But when I run i got error type mismatch for every imports.
I attached lib.kt file and sample.kt
kotlin.zip (690.6 KB)
I have no idea why it’s not working

thank you

msink · April 2, 2019, 7:52am

Kotlin/Native does not support interop with C++, only with plain C and Objective-C.

karippery · April 3, 2019, 8:15am

thank you for your reply.
i convert to C. and make code more simple.

import lib.*

fun main() {
val config = UA_ServerConfig_new_default()
val server = UA_Server_new(config)
println(“server on”)
UA_Server_delete(server)
UA_ServerConfig_delete(config)

}

and i got error something like this

Topic		Replies	Views
Using c++ code in Kotlin native Native	3	2879	November 29, 2022
Kotlin multiplatform mobile and C interop Support	8	4555	March 29, 2021
Kotlin Native declarations for stdiio.h Native	1	1298	November 6, 2017
Calling C/C++ from Kotlin Multiplatform library (klib) Multiplatform	1	3638	September 23, 2019
Kotlin-native posix directory iteration Native	3	2025	January 20, 2019

Cpp to kotlin

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