public Instruction GiveConcreteInstruction(Opcode instruction)
{
Instruction concreteInstruction = null;
int opCode = instruction.GetOpCode();
switch (opCode)
{
case (int)Opcodes.Addition:
concreteInstruction = new AdditionInstruction(instruction.GetFirstParameterMode(), instruction.GetSecondParameterMode());
break;
case (int)Opcodes.Multiplication:
concreteInstruction = new MultiplyInstruction(instruction.GetFirstParameterMode(), instruction.GetSecondParameterMode());
break;
case (int)Opcodes.Input:
concreteInstruction = new InputInstruction(program.Inputs[program.CurrentInputPointer++], instruction.GetFirstParameterMode());
break;
case (int)Opcodes.Output:
concreteInstruction = new OutputInstruction(instruction.GetFirstParameterMode());
break;
case (int)Opcodes.JumpIfTrue:
concreteInstruction = new JumpIfTrueInstruction(instruction.GetFirstParameterMode(), instruction.GetSecondParameterMode());
break;
case (int)Opcodes.JumpIfFalse:
concreteInstruction = new JumpIfFalseInstruction(instruction.GetFirstParameterMode(), instruction.GetSecondParameterMode());
break;
case (int)Opcodes.LessThan:
concreteInstruction = new LessThanInstruction(instruction.GetFirstParameterMode(), instruction.GetSecondParameterMode(), instruction.GetThirdParameterMode());
break;
case (int)Opcodes.Equals:
concreteInstruction = new EqualsInstruction(instruction.GetFirstParameterMode(), instruction.GetSecondParameterMode(), instruction.GetThirdParameterMode());
break;
}
return(concreteInstruction);
}
protected override void SetMyBlockInternalArg()
{
switch (op)
{
case OPERATION.ADD:
myBlockInternalArg = new AdditionInstruction(this);
break;
case OPERATION.DIV:
myBlockInternalArg = new DivisionInstruction(this);
break;
case OPERATION.MUL:
myBlockInternalArg = new MultiplicationInstruction(this);
break;
case OPERATION.SUB:
myBlockInternalArg = new SubtractionInstruction(this);
break;
}
}
