bool CheckDupTargets(ILEntry expr)
{
bool ret = false;
if (expr != null && expr.Targets != null)
{
foreach (var target in expr.Targets)
{
if (target != null)
{
if (CallInstruction(target.Instr.OpCode.Code) || target.Instr.OpCode.Code == Code.Ret)
{
return(true);
}
}
}
}
return(ret);
}
bool CheckDupSources(ILEntry expr, List <ILEntry> path)
{
bool ret = false;
bool flag = path.Contains(expr) || path.Count() > 10;
if (!flag)
{
path.Add(expr);
}
if (!flag && expr != null && expr.Sources != null)
{
foreach (var source in expr.Sources)
{
if (source != null)
{
if (source.Instr.OpCode.Code == Code.Dup)
{
ret = CheckDupTargets(source);
}
else
{
ret = CheckDupSources(source, path);
}
if (ret == true)
{
break;
}
}
}
}
if (!flag)
{
path.RemoveRange(path.Count - 1, 1);
}
return(ret);
}
