public static Machine GetSampleMachine()
{
var machine = new Machine(6);
Instruction ix = new AssignValueInstruction();
ix.SetParameters(new List <int> {
0, 5
});
machine.AddInstruction(ix);
Instruction iy = new AssignValueInstruction();
iy.SetParameters(new List <int> {
1, 6
});
machine.AddInstruction(iy);
Instruction i0 = new AddInstruction();
i0.SetParameters(new List <int> {
2, 3, 0
}); // M2 = 0 + M0
machine.AddInstruction(i0);
Instruction i1 = new AssignValueInstruction();
i1.SetParameters(new List <int> {
4, 1
}); //M4 = 1
machine.AddInstruction(i1);
Instruction i2 = new GotoIfInstruction();
i2.SetParameters(new List <int> {
7, 2
}); // goto 7 if M2 > 0
machine.AddInstruction(i2);
Instruction i3 = new AddInstruction();
i3.SetParameters(new List <int> {
0, 3, 5
}); // M0 = M3 + 5
machine.AddInstruction(i3);
Instruction i4 = new HaltInstruction();
machine.AddInstruction(i4); //halt
Instruction i5 = new AddInstruction();
i5.SetParameters(new List <int> {
3, 3, 1
}); // M3 = M3 + M1
machine.AddInstruction(i5);
Instruction i6 = new SubstractInstruction();
i6.SetParameters(new List <int> {
2, 2, 4
}); // M2 = M2 - 1
machine.AddInstruction(i6);
Instruction i7 = new GotoIfInstruction();
i7.SetParameters(new List <int> {
4, 4
}); // goto 4 if M4 > 0
machine.AddInstruction(i7);
// when machine halts result will be in M0
return(machine);
}
public Instruction Translate()
{
Instruction instruction;
switch (Type)
{
case CommandType.AssignValue:
instruction = new AssignValueInstruction();
instruction.SetParameters(new List <int> {
Arg1.Value, Arg2.Value
});
break;
case CommandType.Add:
instruction = new AddInstruction();
instruction.SetParameters(new List <int> {
Arg1.Value, Arg2.Value, Arg3.Value
});
break;
case CommandType.Substract:
instruction = new SubstractInstruction();
instruction.SetParameters(new List <int> {
Arg1.Value, Arg2.Value, Arg3.Value
});
break;
case CommandType.Divide:
instruction = new DivideByTwoInstruction();
instruction.SetParameters(new List <int> {
Arg1.Value
});
break;
case CommandType.CopyValue:
instruction = new CopyValueInstruction();
instruction.SetParameters(new List <int> {
Arg1.Value, Arg2.Value
});
break;
case CommandType.CopyValue2:
instruction = new CopyValue2Instruction();
instruction.SetParameters(new List <int> {
Arg1.Value, Arg2.Value
});
break;
case CommandType.GotoIf:
instruction = new GotoIfInstruction();
instruction.SetParameters(new List <int> {
Arg1.Value, Arg2.Value
});
break;
case CommandType.Halt:
instruction = new HaltInstruction();
instruction.SetParameters(new List <int>());
break;
default:
throw new InvalidEnumArgumentException();
}
return(instruction);
}