//Interface
public LabelStoreNode(string text, int imageIndex, int selectedImageIndex, LabelStore labelStore) : base(text, imageIndex, selectedImageIndex)
{
//Constructor
try {
this.mLabelStore = labelStore;
this.mLabelStore.StoreChanged += new EventHandler(OnStoreChanged);
}
catch (Exception ex) { throw new ApplicationException("Unexpected error while creating new Label Store Node instance.", ex); }
}
private int EvaluateExpression(string source, KeyValuePair<string, int>[] labels = null)
{
var labelStore = new LabelStore();
if (labels != null)
{
foreach (var pair in labels)
{
labelStore.AddLabel(new Label(pair.Key, pair.Value));
}
}
return EvaluateExpression(source, labelStore);
}
private int EvaluateExpression(string source, LabelStore labelStore)
{
var resolver = new ExpressionResolver(labelStore);
var parser = new Parser(resolver);
bool success = parser.ParseExpression(source);
if (!success)
{
Assert.Inconclusive("Cannot parse expression " + source);
}
return resolver.Evaluate();
}
public void REF_operator_has_higher_priority_than_mult()
{
var store = new LabelStore();
store.AddReferencedLabel("L1", -1);
Assert.AreEqual(2, EvaluateExpression(".REF L1 * 2", store));
Assert.AreEqual(2, EvaluateExpression(".REF L1 + 1", store));
Assert.AreEqual(1, EvaluateExpression(".REF L1 = 1", store));
Assert.AreEqual(1, EvaluateExpression(".REF L1 .AND 1", store));
}
public void Can_evaluate_expression_with_REF_operator_when_label_is_referenced()
{
var store = new LabelStore();
store.AddReferencedLabel("L1", -1);
Assert.AreEqual(1, EvaluateExpression(".REF L1", store));
}
public LabelLayer(IGraphicFactory graphicFactory, LabelStore labelStore)
{
this.labelStore = labelStore;
this.matrix = graphicFactory.CreateMatrix();
}
private Label[] ResolveLabels(string source)
{
var labelStore = new LabelStore();
return ResolveLabels(source, labelStore);
}
private Label[] ResolveLabels(string source, LabelStore labelStore)
{
var resolver = new InstructionResolver(labelStore, new MacroStore());
var parser = new Parser(resolver);
parser.Parse(source);
return labelStore.ToArray();
}
