/// <summary>
/// Shows the errors found during compilation and execution in the Error Page view.
/// This function is called by <see cref="CompileButton_Click(object, RoutedEventArgs)"/> when
/// errors are found.
/// </summary>
private void SetErrorsInUI()
{
Utilities.errorsInLines.Clear();
foreach (UserControl element in BlocksWithErrorsInOrder)
{
Utilities.SetUserControlWithError(element, Utilities.BlockToLineErrors[element].Item2);
var errorTemplate = new ErrorTemplate();
errorTemplate.FillTemplate(element, Utilities.BlockToLineErrors[element].Item1, Utilities.BlockToLineErrors[element].Item2);
Utilities.errorsInLines.Add(errorTemplate);
}
}
/// <summary>
/// This event is invoked when the user clicks the Run button.
/// Saves the original state of the Canvas, signals the Virtual Machine to start execution,
/// handles errors that arise on execution, prints and resets memory when execution completes,
/// and returns the Canvas back to its original state.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void Run_Button_Click(object sender, RoutedEventArgs e)
{
List <Tuple <int, int, int, int, int, int, string> > assetValues = new List <Tuple <int, int, int, int, int, int, string> >();
foreach (UIElement child in MainCanvas.Children)
{
Asset c = child as Asset;
assetValues.Add(new Tuple <int, int, int, int, int, int, string>(
c.GetX(), c.GetY(), c.GetWidth(), c.GetHeight(), c.GetRotation(), c.GetNumber(), c.GetLabel()));
}
try {
Utilities.DisableRunAndCompileButtons();
Run_Button.IsEnabled = Utilities.RunButtonEnabled;
await VirtualMachine.Execute();
}
catch (Exception ex)
{
var errorTemplate = new ErrorTemplate();
List <string> pseudoList = new List <string>();
pseudoList.Add(ex.Message);
// add error to error list
errorTemplate.FillTemplate(null, pseudoList, Utilities.GetRandomBrushForErrors());
Utilities.errorsInLines.Add(errorTemplate);
Utilities.vmExecuting = false;
Utilities.BlueCompile();
// restart instruction pointer
VirtualMachine.currentInstruction = 0;
Utilities.ChangePageHeader("Errors");
this.Frame.Navigate((typeof(ErrorView)));
}
MemoryManager.PrintMemory(); // Print memory with all of its values set
MemoryManager.RunReset(); // Reset memory to its original state before execution
int attrCount = Enum.GetNames(typeof(MemoryManager.AssetAttributes)).Length;
// Return assets in canvas to their original state before execution
for (int i = 0; i < MainCanvas.Children.ToList().Count; i++)
{
Asset c = MainCanvas.Children[i] as Asset;
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.x + (i * attrCount), assetValues[i].Item1);
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.y + (i * attrCount), assetValues[i].Item2);
c.SetPositionNoAwait(assetValues[i].Item1, assetValues[i].Item2);
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.width + (i * attrCount), assetValues[i].Item3);
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.height + (i * attrCount), assetValues[i].Item4);
c.SetWidthNoAnimation(assetValues[i].Item3);
c.SetHeightNoAnimation(assetValues[i].Item4);
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.rotation + (i * attrCount), 0);
c.SetRotationNoAnimation(0);
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.number + (i * attrCount), assetValues[i].Item6);
c.SetNumberNoWait(assetValues[i].Item6);
MemoryManager.SetMemory((int)MemoryManager.AssetAttributes.label + (i * attrCount), assetValues[i].Item7);
c.SetLabelNoWait(assetValues[i].Item7);
}
System.Threading.Thread.Sleep(500);
Utilities.EnableRunAndCompileButtons();
Run_Button.IsEnabled = Utilities.RunButtonEnabled;
}