public Cut Write(Instruction instruction)
{
CutEvents.OnModify(_body);
if (_entry)
{
Instructions.Insert(0, instruction);
foreach (var handler in _body.ExceptionHandlers.Where(h => h.HandlerStart == null).ToList())
{
handler.HandlerStart = _refInst;
}
}
else if (_exit || _refInst == Instructions[Instructions.Count - 1])
{
Instructions.Add(instruction);
if (!_exit)
{
foreach (var handler in _body.ExceptionHandlers.Where(h => h.HandlerEnd == null).ToList())
{
handler.HandlerEnd = _refInst;
}
}
}
else
{
var index = Instructions.IndexOf(_refInst) + 1;
Instructions.Insert(index, instruction);
}
return(new Cut(_body, instruction));
}
public Cut Remove()
{
CutEvents.OnModify(_body);
var prevCut = Prev();
var next = _refInst.Next;
var prev = _refInst.Previous;
Redirect(_refInst, next, prev);
Instructions.Remove(_refInst);
return(prevCut);
}
public Cut Replace(Instruction instruction)
{
CutEvents.OnModify(_body);
if (_exit || _entry)
{
return(Write(instruction));
}
Redirect(_refInst, instruction, instruction);
Instructions[Instructions.IndexOf(_refInst)] = instruction;
return(new Cut(_body, instruction));
}