private void LoadPatterns()
{
_dummyCodes = new List<Pattern>();
foreach (string line in this.Lines)
{
if (line.Equals(NOP_INVALID_POP, StringComparison.OrdinalIgnoreCase))
{
_nopInvalidPop = true;
continue;
}
string[] opCodeGroupStr = line.Split(new char[] { ';' });
OpCodeGroup[] opCodeGroups = new OpCodeGroup[opCodeGroupStr.Length];
bool checkReference = false;
for (int i = 0; i < opCodeGroupStr.Length; i++)
{
string str = opCodeGroupStr[i];
opCodeGroups[i] = new OpCodeGroup(str);
if (str.StartsWith("~"))
{
checkReference = true;
str = str.Substring(1);
}
if (str.StartsWith("*"))
{
opCodeGroups[i].ExactMatch = true;
str = str.Substring(1);
}
else
{
opCodeGroups[i].ExactMatch = false;
}
if (str.StartsWith("!"))
{
opCodeGroups[i].ToNop = false;
str = str.Substring(1);
}
else
{
opCodeGroups[i].ToNop = true;
}
//if (str.StartsWith("~"))
//{
// opCodeGroups[i].CheckReference = true;
// str = str.Substring(1);
//}
//else
//{
// opCodeGroups[i].CheckReference = false;
//}
if (str.StartsWith("[") && str.EndsWith("]"))
{
opCodeGroups[i].Optional = true;
opCodeGroups[i].OpCodes = str.Substring(1, str.Length - 2).Split(new char[] { ',' });
}
else
{
opCodeGroups[i].Optional = false;
int p = str.IndexOf(":");
if (p > 0)
{
opCodeGroups[i].Expression = str.Substring(p + 1);
str = str.Substring(0, p);
}
else
{
opCodeGroups[i].Expression = null;
}
opCodeGroups[i].OpCodes = str.Split(new char[] { ',' });
}
}
_dummyCodes.Add(new Pattern(line, opCodeGroups, checkReference));
}
}
//public bool IsExceptionHandlerEnd(Instruction ins, ExceptionHandler eh)
//{
// if (IsEqual(ins, eh.TryEnd) ||
// //IsEqual(ins, eh.FilterEnd) ||
// IsEqual(ins, eh.HandlerEnd)
// )
// {
// return true;
// }
// return false;
//}
private bool IsInstructionMatch(Instruction ins, OpCodeGroup opCodeGroup, Collection<Instruction> instructions)
{
bool match = false;
string name = ins.OpCode.Name;
string[] opCodes = opCodeGroup.OpCodes;
for (int i = 0; i < opCodes.Length; i++)
{
if (opCodeGroup.ExactMatch)
{
if (name.Equals(opCodes[i]))
{
match = true;
break;
}
}
else
{
if (name.StartsWith(opCodes[i]))
{
match = true;
break;
}
}
}
if (match && opCodeGroup.HasExpression)
{
if (!opCodeGroup.EvalExpression(ins, instructions))
{
match = false;
}
}
return match;
}
public Pattern(string text, OpCodeGroup[] opCodeGroups, bool checkReference)
{
Text = text;
CheckReference = checkReference;
if (opCodeGroups == null || opCodeGroups.Length < 1)
{
throw new ApplicationException("Invalid Pattern: " + (text == null ? String.Empty : text));
}
OpCodeGroups = opCodeGroups;
MaxLength = opCodeGroups.Length;
MinLength = MaxLength;
for (int i = 0; i < MaxLength; i++)
{
if (opCodeGroups[i].Optional)
MinLength--;
}
}
private void LoadPatterns()
{
_dummyCodes = new List <Pattern>();
foreach (string line in this.Lines)
{
if (line.Equals(NOP_INVALID_POP, StringComparison.OrdinalIgnoreCase))
{
_nopInvalidPop = true;
continue;
}
string[] opCodeGroupStr = line.Split(new char[] { ';' });
OpCodeGroup[] opCodeGroups = new OpCodeGroup[opCodeGroupStr.Length];
bool checkReference = false;
for (int i = 0; i < opCodeGroupStr.Length; i++)
{
string str = opCodeGroupStr[i];
opCodeGroups[i] = new OpCodeGroup(str);
if (str.StartsWith("~"))
{
checkReference = true;
str = str.Substring(1);
}
if (str.StartsWith("*"))
{
opCodeGroups[i].ExactMatch = true;
str = str.Substring(1);
}
else
{
opCodeGroups[i].ExactMatch = false;
}
if (str.StartsWith("!"))
{
opCodeGroups[i].ToNop = false;
str = str.Substring(1);
}
else
{
opCodeGroups[i].ToNop = true;
}
//if (str.StartsWith("~"))
//{
// opCodeGroups[i].CheckReference = true;
// str = str.Substring(1);
//}
//else
//{
// opCodeGroups[i].CheckReference = false;
//}
if (str.StartsWith("[") && str.EndsWith("]"))
{
opCodeGroups[i].Optional = true;
opCodeGroups[i].OpCodes = str.Substring(1, str.Length - 2).Split(new char[] { ',' });
}
else
{
opCodeGroups[i].Optional = false;
int p = str.IndexOf(":");
if (p > 0)
{
opCodeGroups[i].Expression = str.Substring(p + 1);
str = str.Substring(0, p);
}
else
{
opCodeGroups[i].Expression = null;
}
opCodeGroups[i].OpCodes = str.Split(new char[] { ',' });
}
}
_dummyCodes.Add(new Pattern(line, opCodeGroups, checkReference));
}
}
