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test_exception.c
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test_exception.c
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#include <node_api.h>
#include "../common.h"
static bool exceptionWasPending = false;
static napi_value returnException(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
napi_value global;
NAPI_CALL(env, napi_get_global(env, &global));
napi_value result;
napi_status status = napi_call_function(env, global, args[0], 0, 0, &result);
if (status == napi_pending_exception) {
napi_value ex;
NAPI_CALL(env, napi_get_and_clear_last_exception(env, &ex));
return ex;
}
return NULL;
}
static napi_value allowException(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
napi_value global;
NAPI_CALL(env, napi_get_global(env, &global));
napi_value result;
napi_call_function(env, global, args[0], 0, 0, &result);
// Ignore status and check napi_is_exception_pending() instead.
NAPI_CALL(env, napi_is_exception_pending(env, &exceptionWasPending));
return NULL;
}
static napi_value wasPending(napi_env env, napi_callback_info info) {
napi_value result;
NAPI_CALL(env, napi_get_boolean(env, exceptionWasPending, &result));
return result;
}
static void finalizer(napi_env env, void *data, void *hint) {
NAPI_CALL_RETURN_VOID(env,
napi_throw_error(env, NULL, "Error during Finalize"));
}
static napi_value createExternal(napi_env env, napi_callback_info info) {
napi_value external;
NAPI_CALL(env,
napi_create_external(env, NULL, finalizer, NULL, &external));
return external;
}
static char buffer_data[12];
static napi_value createExternalBuffer(napi_env env, napi_callback_info info) {
napi_value buffer;
NAPI_CALL(env, napi_create_external_buffer(env, sizeof(buffer_data),
buffer_data, finalizer, NULL, &buffer));
return buffer;
}
static napi_value Init(napi_env env, napi_value exports) {
napi_property_descriptor descriptors[] = {
DECLARE_NAPI_PROPERTY("returnException", returnException),
DECLARE_NAPI_PROPERTY("allowException", allowException),
DECLARE_NAPI_PROPERTY("wasPending", wasPending),
DECLARE_NAPI_PROPERTY("createExternal", createExternal),
DECLARE_NAPI_PROPERTY("createExternalBuffer", createExternalBuffer),
};
NAPI_CALL(env, napi_define_properties(
env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors));
napi_value error, code, message;
NAPI_CALL(env, napi_create_string_utf8(env, "Error during Init",
NAPI_AUTO_LENGTH, &message));
NAPI_CALL(env, napi_create_string_utf8(env, "", NAPI_AUTO_LENGTH, &code));
NAPI_CALL(env, napi_create_error(env, code, message, &error));
NAPI_CALL(env, napi_set_named_property(env, error, "binding", exports));
NAPI_CALL(env, napi_throw(env, error));
return exports;
}
NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)