public void Run(int InputValue)
{
this.InputValue = InputValue;
keepLooping = true;
while (iter < MaxLength && keepLooping)
{
if (iter + 2 >= MaxLength)
{
break;
}
var opInstruction = new OpInstruction(Memory[iter]);
var opCode = opInstruction.OpCode;
System.Console.WriteLine($"opInstruction: {Memory[iter]}");
System.Console.WriteLine($"opCode: {opCode}");
switch (opCode)
{
// misschien zouden ints toch mooier zijn
case (int)OpCode.Adds:
CalcOpCode1(opInstruction);
break;
case (int)OpCode.Multiplies:
CalcOpCode2(opInstruction);
break;
case (int)OpCode.Input:
CalcOpCode3(opInstruction);
break;
case (int)OpCode.Output:
CalcOpCode4(opInstruction);
// experimenteel:
IsHalted = true;
keepLooping = false;
break;
case (int)OpCode.JumpIfTrue:
CalcOpCode5(opInstruction);
break;
case (int)OpCode.JumpIfFalse:
CalcOpCode6(opInstruction);
break;
case (int)OpCode.LessThan:
CalcOpCode7(opInstruction);
break;
case (int)OpCode.Equals:
CalcOpCode8(opInstruction);
break;
case (int)OpCode.Halts:
System.Console.WriteLine("WE ZIJN BIJ 99");
IsHalted = true;
keepLooping = false;
break;
}
}
}
private void CalcOpCode4(OpInstruction opInstruction)
{
var position1 = GetLocation(opInstruction.OpMode1, 1);
OutputValue = Int32.Parse(Memory[position1]);
iter += 2;
}
private void CalcOpCode3(OpInstruction opInstruction)
{
var position1 = GetLocation(opInstruction.OpMode1, 1);
Memory[position1] = InputValue.ToString("00000");
iter += 2;
}
private void CalcOpCode8(OpInstruction opInstruction)
{
var value1 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode1, 1)]);
var value2 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode2, 2)]);
var position3 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode3, 3)]);
Memory[position3] = value1 == value2 ? "00001" : "00000";
iter += 4;
}
private void CalcOpCode2(OpInstruction opInstruction)
{
var value1 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode1, 1)]);
var value2 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode2, 2)]);
var position3 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode3, 3)]);
Memory[position3] = (value1 * value2).ToString("00000");
iter += 4;
}
private int GetTargetPosition(OpInstruction i)
{
if (i.Data is byte)
{
return(1 + i.Position + i.Size + (sbyte)(byte)i.Data);
}
else
{
return(1 + i.Position + i.Size + (int)i.Data);
}
}
public static int GetPushCount(CilMethod method, OpInstruction instruction)
{
switch (instruction.OpCode.StackBehaviourPush)
{
case StackBehaviour.Push0:
return(0);
case StackBehaviour.Push1:
case StackBehaviour.Pushi:
case StackBehaviour.Pushi8:
case StackBehaviour.Pushr4:
case StackBehaviour.Pushr8:
case StackBehaviour.Pushref:
return(1);
case StackBehaviour.Varpush:
if (instruction.OpCode.Name.StartsWith("call"))
{
if (instruction.Data is ConstructorInfo)
{
return(0);
}
var mi = (MethodInfo)instruction.Data;
if (mi.ReturnType.FullName == "System.Void")
{
return(0);
}
else
{
return(1);
}
}
else
{
throw new NotImplementedException();
}
case StackBehaviour.Push1_push1:
if (instruction.OpCode.Name == "dup")
{
return(2);
}
else
{
throw new NotImplementedException();
}
default:
throw new NotImplementedException();
}
}
private void CalcOpCode6(OpInstruction opInstruction)
{
var position1 = Int32.Parse(Memory[GetLocation(opInstruction.OpMode1, 1)]);
if (Int32.Parse(Memory[position1]) == 0)
{
iter = Int32.Parse(Memory[GetLocation(opInstruction.OpMode2, 2)]);
}
else
{
iter += 3;
}
}
public static int?GetPopCount(CilMethod method, OpInstruction instruction)
{
if (instruction.OpCode.Name.StartsWith("leave"))
{
return(null); // pops all
}
switch (instruction.OpCode.StackBehaviourPop)
{
case StackBehaviour.Pop0:
return(0);
case StackBehaviour.Pop1:
case StackBehaviour.Popi:
case StackBehaviour.Popref:
return(1);
case StackBehaviour.Pop1_pop1:
case StackBehaviour.Popi_pop1:
case StackBehaviour.Popi_popi:
case StackBehaviour.Popi_popi8:
case StackBehaviour.Popi_popr4:
case StackBehaviour.Popi_popr8:
case StackBehaviour.Popref_pop1:
case StackBehaviour.Popref_popi:
return(2);
case StackBehaviour.Popi_popi_popi:
case StackBehaviour.Popref_popi_pop1:
case StackBehaviour.Popref_popi_popi:
case StackBehaviour.Popref_popi_popi8:
case StackBehaviour.Popref_popi_popr4:
case StackBehaviour.Popref_popi_popr8:
case StackBehaviour.Popref_popi_popref:
return(3);
case StackBehaviour.Varpop:
if (instruction.OpCode.Name.StartsWith("call"))
{
var callTarget = (MethodBase)instruction.Data;
var result = callTarget.GetParameters().Count();
if (callTarget.IsStatic == false)
{
result++;
}
return(result);
}
else if (instruction.OpCode.Name == "newobj")
{
return(((ConstructorInfo)instruction.Data).GetParameters().Count());
}
else if (instruction.OpCode.Name == "ret")
{
var mi = method.ReflectionMethod as MethodInfo;
if (mi != null && mi.ReturnType.FullName != "System.Void")
{
return(1);
}
else
{
return(0);
}
}
else
{
throw new NotImplementedException();
}
default:
throw new NotImplementedException();
}
}
