public static void MarkBlocks(DataGridView dgView)
{
if (dgView == null || dgView.ColumnCount == 0 || dgView.RowCount == 0)
{
return;
}
List <InstructionBlock> list = InstructionBlock.Find(MainForm.CurrentAssembly.Method);
bool changeColor = false;
foreach (InstructionBlock ib in list)
{
if (changeColor)
{
for (int i = ib.StartIndex; i <= ib.EndIndex; i++)
{
dgView.Rows[i].DefaultCellStyle.BackColor = DefaultColors.RowBlockColor;
}
}
changeColor = !changeColor;
}
}
public static List<InstructionBlock> Find(MethodDef method)
{
var list = new List<InstructionBlock>();
if (method == null || !method.HasBody)
return list;
IList<Instruction> instructions = method.Body.Instructions;
if (instructions.Count < 1)
return list;
int firstIndex = 0;
int lastIndex = firstIndex;
Instruction insLast = instructions[lastIndex];
while (lastIndex < instructions.Count)
{
if (IsBlockDelimiter(insLast) || lastIndex + 1 >= instructions.Count)
{
var instructionBlock = new InstructionBlock(firstIndex, lastIndex);
list.Add(instructionBlock);
firstIndex = lastIndex + 1;
lastIndex = firstIndex;
}
else
{
lastIndex++;
}
if (lastIndex >= instructions.Count)
break;
insLast = instructions[lastIndex];
}
int insCount = 0;
foreach (InstructionBlock firstBlock in list)
{
insCount += firstBlock.EndIndex - firstBlock.StartIndex + 1;
Instruction insTo = null;
if (instructions[firstBlock.EndIndex].Operand is Instruction)
{
insTo = instructions[firstBlock.EndIndex].Operand as Instruction;
}
if (insTo != null)
{
int to = instructions.IndexOf(insTo);
foreach (InstructionBlock nextBlock in list)
{
if (nextBlock.StartIndex == firstBlock.StartIndex)
continue;
if (nextBlock.StartIndex <= to && to <= nextBlock.EndIndex)
{
firstBlock.NextBlock = nextBlock;
if (firstBlock.StartIndex < nextBlock.StartIndex)
nextBlock.JumpDownRefCount++;
else
nextBlock.JumpUpRefCount++;
}
}
}
}
if (insCount != instructions.Count)
{
throw new ApplicationException("Internal error in InstructionBlock.Find !");
}
return list;
}
public static List <InstructionBlock> Find(MethodDef method)
{
var list = new List <InstructionBlock>();
if (method == null || !method.HasBody)
{
return(list);
}
IList <Instruction> instructions = method.Body.Instructions;
if (instructions.Count < 1)
{
return(list);
}
int firstIndex = 0;
int lastIndex = firstIndex;
Instruction insLast = instructions[lastIndex];
while (lastIndex < instructions.Count)
{
if (IsBlockDelimiter(insLast) || lastIndex + 1 >= instructions.Count)
{
var instructionBlock = new InstructionBlock(firstIndex, lastIndex);
list.Add(instructionBlock);
firstIndex = lastIndex + 1;
lastIndex = firstIndex;
}
else
{
lastIndex++;
}
if (lastIndex >= instructions.Count)
{
break;
}
insLast = instructions[lastIndex];
}
int insCount = 0;
foreach (InstructionBlock firstBlock in list)
{
insCount += firstBlock.EndIndex - firstBlock.StartIndex + 1;
Instruction insTo = null;
if (instructions[firstBlock.EndIndex].Operand is Instruction)
{
insTo = instructions[firstBlock.EndIndex].Operand as Instruction;
}
if (insTo != null)
{
int to = instructions.IndexOf(insTo);
foreach (InstructionBlock nextBlock in list)
{
if (nextBlock.StartIndex == firstBlock.StartIndex)
{
continue;
}
if (nextBlock.StartIndex <= to && to <= nextBlock.EndIndex)
{
firstBlock.NextBlock = nextBlock;
if (firstBlock.StartIndex < nextBlock.StartIndex)
{
nextBlock.JumpDownRefCount++;
}
else
{
nextBlock.JumpUpRefCount++;
}
}
}
}
}
if (insCount != instructions.Count)
{
throw new ApplicationException("Internal error in InstructionBlock.Find !");
}
return(list);
}
