public static List <InstructionBlock> Find(MethodDefinition method)
{
List <InstructionBlock> list = new List <InstructionBlock>();
if (method == null || !method.HasBody)
{
return(list);
}
Collection <Instruction> ic = method.Body.Instructions;
if (ic.Count < 1)
{
return(list);
}
int firstIndex = 0;
int lastIndex = firstIndex;
Instruction insLast = ic[lastIndex];
while (lastIndex < ic.Count)
{
if (DeobfUtils.IsBlockDelimiter(insLast) || lastIndex + 1 >= ic.Count)
{
InstructionBlock ib = new InstructionBlock(firstIndex, lastIndex);
list.Add(ib);
firstIndex = lastIndex + 1;
lastIndex = firstIndex;
}
else
{
lastIndex++;
}
if (lastIndex >= ic.Count)
{
break;
}
insLast = ic[lastIndex];
}
int insCount = 0;
foreach (InstructionBlock ib in list)
{
insCount += ib.EndIndex - ib.StartIndex + 1;
Instruction insTo = null;
if (ic[ib.EndIndex].Operand is Instruction)
{
insTo = ic[ib.EndIndex].Operand as Instruction;
}
else
{
int prev = ib.EndIndex - 1;
if (prev >= ib.StartIndex && ic[prev].Operand is Instruction)
{
insTo = ic[ib.EndIndex].Operand as Instruction;
}
}
if (insTo != null)
{
int to = ic.IndexOf(insTo);
foreach (InstructionBlock ib2 in list)
{
if (ib2.StartIndex == ib.StartIndex)
{
continue;
}
if (ib2.StartIndex <= to && to <= ib2.EndIndex)
{
ib.NextBlock = ib2;
if (ib.StartIndex < ib2.StartIndex)
{
ib2.JumpDownRefCount++;
}
else
{
ib2.JumpUpRefCount++;
}
}
}
}
}
if (insCount != ic.Count)
{
throw new ApplicationException("internal error in InstructionBlock.Find.");
}
return(list);
}
public static List<InstructionBlock> Find(MethodDefinition method)
{
List<InstructionBlock> list = new List<InstructionBlock>();
if (method == null || !method.HasBody)
return list;
Collection<Instruction> ic = method.Body.Instructions;
if (ic.Count < 1)
return list;
int firstIndex = 0;
int lastIndex = firstIndex;
Instruction insLast = ic[lastIndex];
while (lastIndex < ic.Count)
{
if (DeobfUtils.IsBlockDelimiter(insLast) || lastIndex + 1 >= ic.Count)
{
InstructionBlock ib = new InstructionBlock(firstIndex, lastIndex);
list.Add(ib);
firstIndex = lastIndex + 1;
lastIndex = firstIndex;
}
else
{
lastIndex++;
}
if (lastIndex >= ic.Count)
break;
insLast = ic[lastIndex];
}
int insCount = 0;
foreach (InstructionBlock ib in list)
{
insCount += ib.EndIndex - ib.StartIndex + 1;
Instruction insTo = null;
if (ic[ib.EndIndex].Operand is Instruction)
{
insTo = ic[ib.EndIndex].Operand as Instruction;
}
else
{
int prev = ib.EndIndex - 1;
if (prev >= ib.StartIndex && ic[prev].Operand is Instruction)
{
insTo = ic[ib.EndIndex].Operand as Instruction;
}
}
if (insTo != null)
{
int to = ic.IndexOf(insTo);
foreach (InstructionBlock ib2 in list)
{
if (ib2.StartIndex == ib.StartIndex)
continue;
if (ib2.StartIndex <= to && to <= ib2.EndIndex)
{
ib.NextBlock = ib2;
if (ib.StartIndex < ib2.StartIndex)
ib2.JumpDownRefCount++;
else
ib2.JumpUpRefCount++;
}
}
}
}
if (insCount != ic.Count)
{
throw new ApplicationException("internal error in InstructionBlock.Find.");
}
return list;
}
