internal static unsafe void hNE(NEOERR* err)
{
if ((IntPtr)err == (IntPtr)0) {
return; // no error
}
// would be nice if we could get nerr_error_string to work...
IntPtr buf = (IntPtr)0;
byte[] empty_string = new byte[]{ 0 };
string msg = null;
string msg_tb = null;
STRING neo_string;
try {
buf = Marshal.AllocHGlobal(8000);
Marshal.Copy(empty_string, 0, buf, 1);
neo_string.buf = (STR *)buf;
neo_string.len = 0;
neo_string.max = 8000;
// get the error string
nerr_error_string(err, &neo_string);
msg = Marshal.PtrToStringAnsi(buf);
// get the full traceback string
Marshal.Copy(empty_string, 0, buf, 1);
neo_string.len = 0;
nerr_error_traceback(err, &neo_string);
msg_tb = Marshal.PtrToStringAnsi(buf);
} finally {
if (buf != (IntPtr)0) {
Marshal.FreeHGlobal(buf);
}
}
// get as much as we can out of the neoerr structure
_neo_err info = (_neo_err)Marshal.PtrToStructure((IntPtr)err, typeof(_neo_err));
string csfilename = Marshal.PtrToStringAnsi((IntPtr)info.file);
string reason = String.Format("NeoErr: {0}", msg);
// free the NEOERR structure
nerr_ignore(&err);
// throw a real exception
throw new NeoException(reason,msg_tb);
}
private static unsafe extern void nerr_error_traceback(NEOERR* err, STRING* info);
private static unsafe extern void nerr_ignore(NEOERR** err);
private static unsafe extern void nerr_error_string(NEOERR *err, STRING* info);