JNIEXPORT jobject JNICALL
Java_com_squareup_duktape_Duktape_call(JNIEnv *env, jclass type, jlong context, jlong instance,
jobject method, jobjectArray args) {
// Validate our DuktapeContext first - if the context is null, we can't use the proxy.
DuktapeContext* duktape = reinterpret_cast<DuktapeContext*>(context);
if (duktape == nullptr) {
queueNullPointerException(env, "Null Duktape context - did you close your Duktape?");
return nullptr;
}
const JavaScriptObject* object = reinterpret_cast<const JavaScriptObject*>(instance);
if (object == nullptr) {
queueNullPointerException(env, "Invalid JavaScript object");
return nullptr;
}
try {
return object->call(env, method, args);
} catch (const std::invalid_argument& e) {
queueIllegalArgumentException(env, e.what());
} catch (const std::exception& e) {
queueDuktapeException(env, e.what());
}
return nullptr;
}
jobject JavaScriptObject::call(JNIEnv* env, jobject method, jobjectArray args) const {
CHECK_STACK(m_context);
if (m_instance == nullptr) {
queueDuktapeException(env, "JavaScript object " + m_name + " has been garbage collected");
return nullptr;
}
const auto methodIter = m_methods.find(env->FromReflectedMethod(method));
if (methodIter != m_methods.end()) {
return methodIter->second(env, m_context, m_instance, args);
}
// Failed to find the method in our map - should be impossible!
const jclass methodClass = env->GetObjectClass(method);
const jmethodID getName = env->GetMethodID(methodClass, "getName", "()Ljava/lang/String;");
const JString methodName(env, static_cast<jstring>(env->CallObjectMethod(method, getName)));
queueDuktapeException(env, "Could not find method " + m_name + "." + methodName.str());
return nullptr;
}
JNIEXPORT void JNICALL
Java_com_squareup_duktape_Duktape_bind(JNIEnv *env, jclass type, jlong context, jstring name,
jobject object, jobjectArray methods) {
DuktapeContext* duktape = reinterpret_cast<DuktapeContext*>(context);
if (duktape == nullptr) {
queueNullPointerException(env, "Null Duktape context - did you close your Duktape?");
return;
}
try {
duktape->bind(env, name, object, methods);
} catch (const std::runtime_error& e) {
queueDuktapeException(env, e.what());
}
}
JNIEXPORT jstring JNICALL
Java_com_squareup_duktape_Duktape_evaluate__JLjava_lang_String_2Ljava_lang_String_2(
JNIEnv* env, jclass type, jlong context, jstring code, jstring fname) {
DuktapeContext* duktape = reinterpret_cast<DuktapeContext*>(context);
if (duktape == nullptr) {
queueNullPointerException(env, "Null Duktape context - did you close your Duktape?");
return nullptr;
}
try {
return duktape->evaluate(env, code, fname);
} catch (const std::runtime_error& e) {
queueDuktapeException(env, e.what());
}
return nullptr;
}
JNIEXPORT void JNICALL
Java_com_squareup_duktape_Duktape_set(JNIEnv *env, jclass type, jlong context, jstring name,
jobject object, jobjectArray methods) {
DuktapeContext* duktape = reinterpret_cast<DuktapeContext*>(context);
if (duktape == nullptr) {
queueNullPointerException(env, "Null Duktape context - did you close your Duktape?");
return;
}
try {
duktape->set(env, name, object, methods);
} catch (const std::invalid_argument& e) {
queueIllegalArgumentException(env, e.what());
} catch (const std::exception& e) {
queueDuktapeException(env, e.what());
}
}
JNIEXPORT jlong JNICALL
Java_com_squareup_duktape_Duktape_proxy(JNIEnv *env, jclass type, jlong context, jstring name,
jobjectArray methods) {
DuktapeContext* duktape = reinterpret_cast<DuktapeContext*>(context);
if (duktape == nullptr) {
queueNullPointerException(env, "Null Duktape context - did you close your Duktape?");
return 0L;
}
try {
return reinterpret_cast<jlong>(duktape->proxy(env, name, methods));
} catch (const std::invalid_argument& e) {
queueIllegalArgumentException(env, e.what());
} catch (const std::runtime_error& e) {
queueDuktapeException(env, e.what());
}
return 0L;
}