/// <summary>
/// Simulates the entry point.
/// </summary>
/// <param name="settings">The driver settings.</param>
/// <param name="entryPoint">The entry point.</param>
/// <param name="parseResult">The command-line parsing result.</param>
/// <param name="simulator">The simulator to use.</param>
/// <returns>The exit code.</returns>
internal static async Task <int> Simulate(
DriverSettings settings, IEntryPoint <TIn, TOut> entryPoint, ParseResult parseResult, string simulator)
{
if (simulator == settings.ResourcesEstimatorName)
{
var resourcesEstimator = new ResourcesEstimator();
await resourcesEstimator.Run <TCallable, TIn, TOut>(entryPoint.CreateArgument(parseResult));
Console.WriteLine(resourcesEstimator.ToTSV());
}
else
{
var(isCustom, createSimulator) =
simulator == settings.QuantumSimulatorName
? (false, () => new QuantumSimulator())
: simulator == settings.ToffoliSimulatorName
? (false, new Func <IOperationFactory>(() => new ToffoliSimulator()))
: (true, entryPoint.CreateDefaultCustomSimulator);
if (isCustom && simulator != entryPoint.DefaultSimulatorName)
{
DisplayCustomSimulatorError(simulator);
return(1);
}
await RunSimulator(entryPoint, parseResult, createSimulator);
}
return(0);
}
/// <summary>
/// Simulates the entry point.
/// </summary>
/// <param name="settings">The driver settings.</param>
/// <param name="entryPoint">The entry point.</param>
/// <param name="parseResult">The command-line parsing result.</param>
/// <param name="simulator">The simulator to use.</param>
/// <returns>The exit code.</returns>
internal static async Task <int> Simulate(
DriverSettings settings, IEntryPoint <TIn, TOut> entryPoint, ParseResult parseResult, string simulator)
{
if (simulator == settings.ResourcesEstimatorName)
{
// Force the explicit load of the QSharp.Core assembly so that the ResourcesEstimator
// can discover it dynamically at runtime and override the defined callables.
var coreAssemblyName =
(from aName in entryPoint.GetType().Assembly.GetReferencedAssemblies()
where aName.Name == "Microsoft.Quantum.QSharp.Core"
select aName).First();
var coreAssembly = Assembly.Load(coreAssemblyName.FullName);
var resourcesEstimator = new ResourcesEstimator(coreAssembly);
await resourcesEstimator.Run <TCallable, TIn, TOut>(entryPoint.CreateArgument(parseResult));
Console.WriteLine(resourcesEstimator.ToTSV());
}
else
{
var(isCustom, createSimulator) =
simulator == settings.QuantumSimulatorName
? (false, () => new QuantumSimulator())
: simulator == settings.ToffoliSimulatorName
? (false, new Func <IOperationFactory>(() => new ToffoliSimulator()))
: (true, entryPoint.CreateDefaultCustomSimulator);
if (isCustom && simulator != entryPoint.DefaultSimulatorName)
{
DisplayCustomSimulatorError(simulator);
return(1);
}
await RunSimulator(entryPoint, parseResult, createSimulator);
}
return(0);
}
/// <summary>
/// Runs the entry point on a simulator and displays its return value.
/// </summary>
/// <param name="entryPoint">The entry point.</param>
/// <param name="parseResult">The command-line parsing result.</param>
/// <param name="createSimulator">A function that creates an instance of the simulator to use.</param>
private static async Task RunSimulator(
IEntryPoint <TIn, TOut> entryPoint, ParseResult parseResult, Func <IOperationFactory> createSimulator)
{
var simulator = createSimulator();
try
{
var value = await simulator.Run <TCallable, TIn, TOut>(entryPoint.CreateArgument(parseResult));
if (!(value is QVoid))
{
Console.WriteLine(value);
}
}
finally
{
if (simulator is IDisposable disposable)
{
disposable.Dispose();
}
}
}
/// <summary>
/// Submits the entry point to Azure Quantum.
/// </summary>
/// <param name="entryPoint">The entry point.</param>
/// <param name="parseResult">The command-line parsing result.</param>
/// <param name="settings">The submission settings.</param>
/// <typeparam name="TIn">The entry point's argument type.</typeparam>
/// <typeparam name="TOut">The entry point's return type.</typeparam>
/// <returns>The exit code.</returns>
internal static async Task <int> Submit <TIn, TOut>(
IEntryPoint <TIn, TOut> entryPoint, ParseResult parseResult, AzureSettings settings)
{
if (settings.Verbose)
{
Console.WriteLine(settings);
Console.WriteLine();
}
var machine = CreateMachine(settings);
if (machine is null)
{
DisplayWithColor(ConsoleColor.Red, Console.Error,
$"The target '{settings.Target}' was not recognized.");
return(1);
}
var input = entryPoint.CreateArgument(parseResult);
return(settings.DryRun
? Validate(machine, entryPoint, input)
: await SubmitJob(machine, entryPoint, input, settings));
}
