private object ReadRawOperand(ByteOpCode opcode)
{
switch (opcode.OperandType)
{
case ByteCodeOperandType.None:
return(null);
case ByteCodeOperandType.Byte:
case ByteCodeOperandType.ConstantIndex:
case ByteCodeOperandType.LocalIndex:
case ByteCodeOperandType.PrimitiveType:
return(_reader.ReadByte());
case ByteCodeOperandType.Short:
case ByteCodeOperandType.WideConstantIndex:
case ByteCodeOperandType.BranchOffset:
case ByteCodeOperandType.LocalConst:
case ByteCodeOperandType.FieldIndex:
case ByteCodeOperandType.MethodIndex:
case ByteCodeOperandType.ClassIndex:
return(_reader.ReadInt16());
case ByteCodeOperandType.TableSwitch:
_reader.Position = FileSegment.Align((uint)_reader.Position, 4);
return(TableSwitch.FromReader(_reader));
case ByteCodeOperandType.LookupSwitch:
_reader.Position = FileSegment.Align((uint)_reader.Position, 4);
return(LookupSwitch.FromReader(_reader));
case ByteCodeOperandType.WideIndexCountZero:
case ByteCodeOperandType.WideIndexByte:
case ByteCodeOperandType.WideBranchOffset:
case ByteCodeOperandType.DynamicIndex:
return(_reader.ReadInt32());
default:
throw new ArgumentOutOfRangeException();
}
}
public ByteCodeInstruction(int offset, ByteOpCode opCode, object operand)
{
Offset = offset;
OpCode = opCode;
Operand = operand;
}
public ByteCodeInstruction(ByteOpCode opCode, object operand)
: this(0, opCode, operand)
{
}
public ByteCodeInstruction(ByteOpCode opCode)
: this(0, opCode, null)
{
}