Function toJava

shared/cc/impl/Library.cc:587–590

            }

            jobject toJava(JNIEnv* env, jint start, jint end) {
                jobject res = env->NewObject(kCls, kCtor, start, end);
                return Throwable::exceptionThrown(env) ? nullptr : res;
            }

            jobject toJava(JNIEnv* env, const struct IRange& range) {
                return toJava(env, range.fStart, range.fEnd);