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#include <js_native_api.h>
#include "../common.h"
static napi_value TestCreateFunctionParameters(napi_env env,
napi_callback_info info) {
napi_status ret[4];
napi_value result, return_value, prop_value;
ret[0] = napi_create_function(NULL,
"TrackedFunction",
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
&result);
ret[1] = napi_create_function(env,
NULL,
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
&result);
ret[2] = napi_create_function(env,
"TrackedFunction",
NAPI_AUTO_LENGTH,
NULL,
NULL,
&result);
ret[3] = napi_create_function(env,
"TrackedFunction",
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
NULL);
NAPI_CALL(env, napi_create_object(env, &return_value));
NAPI_CALL(env, napi_create_string_utf8(env,
(ret[0] == napi_invalid_arg ?
"pass" : "fail"),
NAPI_AUTO_LENGTH,
&prop_value));
NAPI_CALL(env, napi_set_named_property(env,
return_value,
"envIsNull",
prop_value));
NAPI_CALL(env, napi_create_string_utf8(env,
(ret[1] == napi_ok ?
"pass" : "fail"),
NAPI_AUTO_LENGTH,
&prop_value));
NAPI_CALL(env, napi_set_named_property(env,
return_value,
"nameIsNull",
prop_value));
NAPI_CALL(env, napi_create_string_utf8(env,
(ret[2] == napi_invalid_arg ?
"pass" : "fail"),
NAPI_AUTO_LENGTH,
&prop_value));
NAPI_CALL(env, napi_set_named_property(env,
return_value,
"cbIsNull",
prop_value));
NAPI_CALL(env, napi_create_string_utf8(env,
(ret[3] == napi_invalid_arg ?
"pass" : "fail"),
NAPI_AUTO_LENGTH,
&prop_value));
NAPI_CALL(env, napi_set_named_property(env,
return_value,
"resultIsNull",
prop_value));
return return_value;
}
static napi_value TestCallFunction(napi_env env, napi_callback_info info) {
size_t argc = 10;
napi_value args[10];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc > 0, "Wrong number of arguments");
napi_valuetype valuetype0;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype0));
NAPI_ASSERT(env, valuetype0 == napi_function,
"Wrong type of arguments. Expects a function as first argument.");
napi_value* argv = args + 1;
argc = argc - 1;
napi_value global;
NAPI_CALL(env, napi_get_global(env, &global));
napi_value result;
NAPI_CALL(env, napi_call_function(env, global, args[0], argc, argv, &result));
return result;
}
static napi_value TestFunctionName(napi_env env, napi_callback_info info) {
return NULL;
}
static void finalize_function(napi_env env, void* data, void* hint) {
napi_ref ref = data;
// Retrieve the JavaScript undefined value.
napi_value undefined;
NAPI_CALL_RETURN_VOID(env, napi_get_undefined(env, &undefined));
// Retrieve the JavaScript function we must call.
napi_value js_function;
NAPI_CALL_RETURN_VOID(env, napi_get_reference_value(env, ref, &js_function));
// Call the JavaScript function to indicate that the generated JavaScript
// function is about to be gc-ed.
NAPI_CALL_RETURN_VOID(env, napi_call_function(env,
undefined,
js_function,
0,
NULL,
NULL));
// Destroy the persistent reference to the function we just called so as to
// properly clean up.
NAPI_CALL_RETURN_VOID(env, napi_delete_reference(env, ref));
}
static napi_value MakeTrackedFunction(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value js_finalize_cb;
napi_valuetype arg_type;
// Retrieve and validate from the arguments the function we will use to
// indicate to JavaScript that the function we are about to create is about to
// be gc-ed.
NAPI_CALL(env, napi_get_cb_info(env,
info,
&argc,
&js_finalize_cb,
NULL,
NULL));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
NAPI_CALL(env, napi_typeof(env, js_finalize_cb, &arg_type));
NAPI_ASSERT(env, arg_type == napi_function, "Argument must be a function");
// Dynamically create a function.
napi_value result;
NAPI_CALL(env, napi_create_function(env,
"TrackedFunction",
NAPI_AUTO_LENGTH,
TestFunctionName,
NULL,
&result));
// Create a strong reference to the function we will call when the tracked
// function is about to be gc-ed.
napi_ref js_finalize_cb_ref;
NAPI_CALL(env, napi_create_reference(env,
js_finalize_cb,
1,
&js_finalize_cb_ref));
// Attach a finalizer to the dynamically created function and pass it the
// strong reference we created in the previous step.
NAPI_CALL(env, napi_wrap(env,
result,
js_finalize_cb_ref,
finalize_function,
NULL,
NULL));
return result;
}
EXTERN_C_START
napi_value Init(napi_env env, napi_value exports) {
napi_value fn1;
NAPI_CALL(env, napi_create_function(
env, NULL, NAPI_AUTO_LENGTH, TestCallFunction, NULL, &fn1));
napi_value fn2;
NAPI_CALL(env, napi_create_function(
env, "Name", NAPI_AUTO_LENGTH, TestFunctionName, NULL, &fn2));
napi_value fn3;
NAPI_CALL(env, napi_create_function(
env, "Name_extra", 5, TestFunctionName, NULL, &fn3));
napi_value fn4;
NAPI_CALL(env, napi_create_function(env,
"MakeTrackedFunction",
NAPI_AUTO_LENGTH,
MakeTrackedFunction,
NULL,
&fn4));
napi_value fn5;
NAPI_CALL(env, napi_create_function(env,
"TestCreateFunctionParameters",
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
&fn5));
NAPI_CALL(env, napi_set_named_property(env, exports, "TestCall", fn1));
NAPI_CALL(env, napi_set_named_property(env, exports, "TestName", fn2));
NAPI_CALL(env, napi_set_named_property(env, exports, "TestNameShort", fn3));
NAPI_CALL(env, napi_set_named_property(env,
exports,
"MakeTrackedFunction",
fn4));
NAPI_CALL(env, napi_set_named_property(env,
exports,
"TestCreateFunctionParameters",
fn5));
return exports;
}
EXTERN_C_END
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