GB.Error
void * GB.Error ( const char * error , ... )
Tells the interpreter that the current method or property must raise an error.
-
error is a text describing the error. This text can contain substitution patterns : each
'&n' pattern, n being in the 1...9 interval, will be replaced by the n/th optional argument of GB.Error.
This functions does not send any exception. You must return explicitely after calling GB.Error if you want to abort the method or property.
Examples
/* This comes from the implementation of Table.Fields.Find in the database component */
BEGIN_METHOD(CFIELD_find, GB_STRING name)
...
if (THIS->create
|| !THIS->driver->Field.Exist(THIS->db->handle, THIS->table, field))
{
GB.Error("Unknown field: &1.&2", THIS->table, field);
return;
}
...
END_METHOD