void OnObject(ref Expression e)
{
if (e == null || IsNonNullExpression(e))
{
return;
}
switch (e.ExpressionType)
{
case ExpressionType.LoadLocal:
{
var s = e as LoadLocal;
ValidPointers.Add(s.Variable);
break;
}
case ExpressionType.LoadArgument:
{
var s = e as LoadArgument;
ValidPointers.Add(s.Parameter);
break;
}
}
switch (e.ExpressionType)
{
case ExpressionType.AddressOf:
{
var s = (AddressOf)e;
OnObject(ref s.Operand);
break;
}
default:
{
e = new LoadPtr(e);
break;
}
}
}
public virtual void WriteLoadPtr(LoadPtr s, ExpressionUsage u)
{
UnsupportedExpression(s);
}