static void Main(string[] args)
{
var container = Containers.ContainerBuilder.BuildContainer();
IInputProvider inputProvider = null;
InputProviderSource source = InputProviderSource.Demo;
var inputProviderFactory = container.Resolve <IInputProviderFactory>();
do
{
Console.WriteLine("Please specify the source or input:");
Console.WriteLine("1: Console");
Console.WriteLine("2: Demo");
Console.WriteLine("----------");
Console.WriteLine("0: Quit");
var selection = Console.ReadLine();
try
{
var index = int.Parse(selection ?? DefaultSelection);
if (index == QuitValue)
{
return; // exiting from the application
}
source = (InputProviderSource)index;
inputProvider = inputProviderFactory.GetInputProvider(source);
if (inputProvider == null)
{
throw new IndexOutOfRangeException("Invalid input");
}
}
catch (Exception ex) when(ex is FormatException || ex is IndexOutOfRangeException)
{
Console.WriteLine($"Error {ex.Message}. Please enter a number 1, 2 or 0 to quit");
}
} while (inputProvider == null);
var input = inputProvider.GetInput();
if (source == InputProviderSource.Demo && input != null)
{
Console.WriteLine(input);
}
var calculator = container.Resolve <IWordsCalculator>();
var results = calculator.Run(input);
var outputBuilder = container.Resolve <IOutputBuilder>();
outputBuilder.BuildOutput(results, Console.Out);
Console.WriteLine();
Console.WriteLine("Done. Press any key to exit");
Console.ReadKey();
}
public static string Compile(IInputProvider inputProvider, CultureInfo cultureInfo = null,
ICompiler[] compilers = null)
{
if (cultureInfo == null)
{
cultureInfo = CultureInfo.InvariantCulture;
}
Compiler.cultureInfo = cultureInfo;
compilers = compilers ?? AllCompilers;
return(compilers.Aggregate(inputProvider.GetInput(), (input, compiler) => compiler.Compile(input, cultureInfo)));
}
public void MainLoop()
{
string input = "";
decimal x;
string symbol;
decimal y;
input = _inputProvider.GetInput();
_parseProvider.ParseInput(input, out x, out symbol, out y);
decimal sum = _mathProvider.Calculate(symbol, x, y);
_outputProvider.OutPut(sum);
}
private byte[] GetDataForOutput()
{
return(_Input.GetInput());
}
public IntcodeProgramStatus RunProgram()
{
IntcodeProgramStatus status = IntcodeProgramStatus.Running;
while (true)
{
LogDebugMessage($"Pos: {_position.ToString("0000")}, Cmd: {_program[_position]}");
var parsedCommand = ParseCommand(_program[_position]);
var opcode = parsedCommand[0];
if (opcode == 1)
{
// Add param1 + param2, store in address pointed to by param3
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
var val2 = GetParameterValue(_position + 2, 2, parsedCommand);
var val3 = GetParameterWritePosition(_position + 3, 3, parsedCommand);
SetMemoryValue(val3, val1 + val2);
_position += 4;
}
else if (opcode == 2)
{
// Multiply param1 * param2, store in address pointed to by param3
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
var val2 = GetParameterValue(_position + 2, 2, parsedCommand);
var val3 = GetParameterWritePosition(_position + 3, 3, parsedCommand);
SetMemoryValue(val3, val1 * val2);
_position += 4;
}
else if (opcode == 3)
{
// Take user input, and store in the parameter location
// If the input provider doesn't have any input,
// then pause the program and return awaiting input status
if (!_inputProvider.HasInput())
{
status = IntcodeProgramStatus.AwaitingInput;
break;
}
BigInteger input = _inputProvider.GetInput();
var val1 = GetParameterWritePosition(_position + 1, 1, parsedCommand);
SetMemoryValue(val1, input);
_position += 2;
}
else if (opcode == 4)
{
// Output a value
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
_outputListener.SendOutput(val1);
_position += 2;
}
else if (opcode == 5)
{
// Opcode 5 is jump-if-true: if the first parameter is
// non-zero, it sets the instruction pointer to the value
// from the second parameter. Otherwise, it does nothing.
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
var val2 = GetParameterValue(_position + 2, 2, parsedCommand);
if (val1 != 0)
{
_position = GetMemoryAddress(val2);
}
else
{
_position += 3;
}
}
else if (opcode == 6)
{
// Opcode 6 is jump-if-false: if the first parameter is
// zero, it sets the instruction pointer to the value from
// the second parameter. Otherwise, it does nothing.
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
var val2 = GetParameterValue(_position + 2, 2, parsedCommand);
if (val1 == 0)
{
_position = GetMemoryAddress(val2);
}
else
{
_position += 3;
}
}
else if (opcode == 7)
{
// Opcode 7 is less than: if the first parameter is less
// than the second parameter, it stores 1 in the position
// given by the third parameter.
// Otherwise, it stores 0.
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
var val2 = GetParameterValue(_position + 2, 2, parsedCommand);
var val3 = GetParameterWritePosition(_position + 3, 3, parsedCommand);
var valToStore = val1 < val2 ? 1 : 0;
SetMemoryValue(val3, valToStore);
_position += 4;
}
else if (opcode == 8)
{
// Opcode 8 is equals: if the first parameter is equal to
// the second parameter, it stores 1 in the position given
// by the third parameter.
// Otherwise, it stores 0.
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
var val2 = GetParameterValue(_position + 2, 2, parsedCommand);
var val3 = GetParameterWritePosition(_position + 3, 3, parsedCommand);
var valToStore = val1 == val2 ? 1 : 0;
SetMemoryValue(val3, valToStore);
_position += 4;
}
else if (opcode == 9)
{
// Opcode 9 adjusts the relative base by the value of its
// only parameter. The relative base increases (or
// decreases, if the value is negative) by the value of the
// parameter.
// For example, if the relative base is 2000, then after
// the instruction 109,19, the relative base would be 2019.
// If the next instruction were 204,-34, then the value at
// address 1985 would be output.
var val1 = GetParameterValue(_position + 1, 1, parsedCommand);
_relativeBase += GetMemoryAddress(val1);
_position += 2;
}
else if (opcode == 99)
{
status = IntcodeProgramStatus.Completed;
break;
}
else if (opcode != 99)
{
throw new Exception($"Invalid opcode {_program[_position]} at position {_position}");
}
}
return(status);
}
private void ExecuteInstruction(Instruction inst)
{
int operand1;
int operand2;
switch (inst.Opcode)
{
case Opcode.Add:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
Program[inst.C.Value] = operand1 + operand2;
IP += inst.Length;
break;
case Opcode.Multiply:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
Program[inst.C.Value] = operand1 * operand2;
IP += inst.Length;
break;
case Opcode.Input:
operand1 = int.Parse(_inputProvider.GetInput());
Program[inst.A.Value] = operand1;
IP += inst.Length;
break;
case Opcode.Output:
operand1 = ReadValue(inst.A);
_outputSink.Output(operand1);
IP += inst.Length;
break;
case Opcode.JumpIfTrue:
operand1 = ReadValue(inst.A);
if (operand1 != 0)
{
IP = ReadValue(inst.B);
}
else
{
IP += inst.Length;
}
break;
case Opcode.JumpIfFalse:
operand1 = ReadValue(inst.A);
if (operand1 == 0)
{
IP = ReadValue(inst.B);
}
else
{
IP += inst.Length;
}
break;
case Opcode.LessThan:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
if (operand1 < operand2)
{
Program[inst.C.Value] = 1;
}
else
{
Program[inst.C.Value] = 0;
}
IP += inst.Length;
break;
case Opcode.Equals:
operand1 = ReadValue(inst.A);
operand2 = ReadValue(inst.B);
if (operand1 == operand2)
{
Program[inst.C.Value] = 1;
}
else
{
Program[inst.C.Value] = 0;
}
IP += inst.Length;
break;
}
}
private void Update()
{
InputChanged?.Invoke(currentInputProvider.GetInput());
}
public override int Execute()
{
ParameterOneValue = _inputProvider.GetInput();
return(_instructionPointer + 2);
}