Unify asserts in jerry-ext (#4488)

Some components of the jerry-ext library re-declared their own
assert and/or static assert macros. No need to re-invent the wheel
all the time. This patch makes all components use the assert macros
defined in jext-common.h. This also makes maintenance easier.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

jerry-ext/arg/arg.c

@@ -13,18 +13,14 @@
  * limitations under the License.
  */
 
-#include "arg-internal.h"
 #include "jerryscript-ext/arg.h"
 #include "jerryscript.h"
-
-#define JERRYX_STATIC_ASSERT(x, msg) \
-  enum { static_assertion_failed_ ## msg = 1 / (!!(x)) }
+#include "arg-internal.h"
+#include "jext-common.h"
 
 JERRYX_STATIC_ASSERT (sizeof (jerryx_arg_int_option_t) <= sizeof (((jerryx_arg_t *) 0)->extra_info),
                       jerryx_arg_number_options_t_must_fit_into_extra_info);
 
-#undef JERRYX_STATIC_ASSERT
-
 /**
  * Validate the JS arguments and assign them to the native arguments.
  *