Add container related API function (#4666)

The new function returns with an array, containing the
elements of the given Container or Container iterator.

JerryScript-DCO-1.0-Signed-off-by: Bela Toth tbela@inf.u-szeged.hu

jerry-core/ecma/base/ecma-errors.c

@@ -76,6 +76,13 @@ const char * const ecma_error_data_view_not_supported_p = "DataView support is d
 const char * const ecma_error_bigint_not_supported_p = "BigInt support is disabled";
 #endif /* !JERRY_BUILTIN_BIGINT  */
 
+#if !JERRY_BUILTIN_CONTAINER
+/**
+ * Error message, if Container support is disabled
+ */
+const char * const ecma_error_container_not_supported_p = "Container support is disabled";
+#endif /* JERRY_BUILTIN_CONTAINER  */
+
 #if JERRY_MODULE_SYSTEM
 /**
  * Error message, if argument is not a module