//Клонинг конструктор когато стойността е различна от Null
public Step Clone()
{
Step newStep = new Step();
newStep.Highlight = Highlight;
newStep.Message = Message;
newStep.Command = Command;
if (AttachNames != null)
{
newStep.AttachNames = AttachNames.ToList <string>();
}
if (AttachTo != null)
{
newStep.AttachTo = AttachTo.ToList <int>();
}
if (Rows != null)
{
newStep.Rows = Rows.ToList <int>();
}
if (VariableNames != null)
{
newStep.VariableNames = VariableNames.ToList <string>();
}
if (VariableIndexes != null)
{
newStep.VariableIndexes = VariableIndexes.ToList <int>();
}
if (Values != null)
{
newStep.Values = Values.ToList <string>();
}
if (HighlightenedBlockIndexes != null)
{
newStep.HighlightenedBlockIndexes = HighlightenedBlockIndexes.ToList <int>();
}
if (HighlightenedLabelIndexes != null)
{
newStep.HighlightenedLabelIndexes = HighlightenedLabelIndexes.ToList <int>();
}
if (HighlightedTableIndexes != null)
{
newStep.HighlightedTableIndexes = HighlightedTableIndexes.ToList <int>();
}
newStep.Swit = Swit;
newStep.Delimiter = Delimiter;
newStep.UsedelimForUpdateInit = UsedelimForUpdateInit;
return(newStep);
}
public override Instruction Read()
{
var initialPosition = Position;
Instruction result;
if (!instructions.TryGetValue(initialPosition, out result))
{
instructions.Add(initialPosition, result = new Instruction());
}
try
{
short opcode = reader.ReadByte();
if (opcode > 0xfe)
{
opcode = unchecked ((short)((opcode << 8) | reader.ReadByte()));
}
result.OpCode = AllOpCodes[opcode];
}
catch (EndOfStreamException)
{
return(null);
}
switch (result.OpCode.OperandType)
{
case OperandType.InlineBrTarget:
result.Operand = FindLabel(initialPosition + result.OpCode.Size + 4 + reader.ReadInt32());
break;
case OperandType.ShortInlineBrTarget:
result.Operand = FindLabel(initialPosition + result.OpCode.Size + 1 + reader.ReadSByte());
break;
case OperandType.InlineField:
result.Operand = module.ResolveField(reader.ReadInt32(), genericTypeArguments, genericMethodArguments);
break;
case OperandType.InlineMethod:
result.Operand = module.ResolveMethod(reader.ReadInt32(), genericTypeArguments, genericMethodArguments);
break;
case OperandType.InlineType:
result.Operand = module.ResolveType(reader.ReadInt32(), genericTypeArguments, genericMethodArguments);
break;
case OperandType.InlineString:
result.Operand = module.ResolveString(reader.ReadInt32());
break;
case OperandType.InlineSig:
result.Operand = module.ResolveSignature(reader.ReadInt32());
break;
case OperandType.InlineTok:
result.Operand = module.ResolveMember(reader.ReadInt32(), genericTypeArguments, genericMethodArguments);
break;
case OperandType.InlineSwitch:
var n = reader.ReadInt32();
var targets = new Instruction[n];
for (int i = 0; i < targets.Length; i++)
{
targets[i] = FindLabel(initialPosition + reader.ReadInt32());
}
result.Operand = targets;
break;
case OperandType.InlineVar:
result.Operand = reader.ReadInt16();
break;
case OperandType.ShortInlineVar:
case OperandType.ShortInlineI:
result.Operand = reader.ReadSByte();
break;
case OperandType.InlineI:
result.Operand = reader.ReadInt32();
break;
case OperandType.InlineI8:
result.Operand = reader.ReadInt64();
break;
case OperandType.InlineNone:
break;
case OperandType.InlineR:
result.Operand = reader.ReadDouble();
break;
case OperandType.ShortInlineR:
result.Operand = reader.ReadSingle();
break;
default:
throw new NotSupportedException();
}
Func <object, int> variableIndex;
if (VariableIndexes.TryGetValue(result.OpCode, out variableIndex))
{
result.Operand = Variables[variableIndex(result.Operand)];
}
OpCode replacement;
if (OpCodeReplaces.TryGetValue(result.OpCode, out replacement))
{
result.OpCode = replacement;
}
return(result);
}
