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// Empty value so that macros here are able to return NULL or void
#define NAPI_RETVAL_NOTHING // Intentionally blank #define
#define GET_AND_THROW_LAST_ERROR(env) \
do { \
const napi_extended_error_info *error_info; \
napi_get_last_error_info((env), &error_info); \
bool is_pending; \
napi_is_exception_pending((env), &is_pending); \
/* If an exception is already pending, don't rethrow it */ \
if (!is_pending) { \
const char* error_message = error_info->error_message != NULL ? \
error_info->error_message : \
"empty error message"; \
napi_throw_error((env), NULL, error_message); \
} \
} while (0)
#define NAPI_ASSERT_BASE(env, assertion, message, ret_val) \
do { \
if (!(assertion)) { \
napi_throw_error( \
(env), \
NULL, \
"assertion (" #assertion ") failed: " message); \
return ret_val; \
} \
} while (0)
// Returns NULL on failed assertion.
// This is meant to be used inside napi_callback methods.
#define NAPI_ASSERT(env, assertion, message) \
NAPI_ASSERT_BASE(env, assertion, message, NULL)
// Returns empty on failed assertion.
// This is meant to be used inside functions with void return type.
#define NAPI_ASSERT_RETURN_VOID(env, assertion, message) \
NAPI_ASSERT_BASE(env, assertion, message, NAPI_RETVAL_NOTHING)
#define NAPI_CALL_BASE(env, the_call, ret_val) \
do { \
if ((the_call) != napi_ok) { \
GET_AND_THROW_LAST_ERROR((env)); \
return ret_val; \
} \
} while (0)
// Returns NULL if the_call doesn't return napi_ok.
#define NAPI_CALL(env, the_call) \
NAPI_CALL_BASE(env, the_call, NULL)
// Returns empty if the_call doesn't return napi_ok.
#define NAPI_CALL_RETURN_VOID(env, the_call) \
NAPI_CALL_BASE(env, the_call, NAPI_RETVAL_NOTHING)
#define DECLARE_NAPI_PROPERTY(name, func) \
{ (name), NULL, (func), NULL, NULL, NULL, napi_default, NULL }
#define DECLARE_NAPI_GETTER(name, func) \
{ (name), NULL, NULL, (func), NULL, NULL, napi_default, NULL }
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