/// <summary>
/// Implements error. </summary>
private static int error(Lua L)
{
int level = L.optInt(2, 1);
L.Top = 1;
if (L.isString(L.value(1)) && level > 0)
{
L.insert(L.@where(level), 1);
L.concat(2);
}
L.error(L.value(1));
// NOTREACHED
return(0);
}
/// <summary>
/// Helper for wrap. This implements the function returned by wrap. </summary>
private int wrapaux(Lua L)
{
Lua co = thread;
int r = auxresume(L, co, L.Top);
if (r < 0)
{
if (L.isString(L.value(-1))) // error object is a string?
{
string w = L.@where(1);
L.insert(w, -1);
L.concat(2);
}
L.error(L.value(-1)); // propagate error
}
return(r);
}