protected override void HandleStatement(HandleContext context)
{
AssignmentStatement assignment = (AssignmentStatement)context.Statement;
if (!CoversAssignment(assignment))
{
return;
}
Method sourceConstructor = ExtractConstructor(assignment.Source);
string variableName = IntrospectionUtility.GetVariableName(assignment.Target);
bool fragmentTypeInferenceRequired = FirstParameterIsString(sourceConstructor);
if (fragmentTypeInferenceRequired)
{
Fragment fragmentType = FirstOperandsFragmentType(assignment, context);
context.StringBuilderFragmentTypeDefined[variableName] = true;
context.SymbolTable.MakeSafe(variableName, fragmentType);
}
else
{
//context.StringBuilderFragmentTypeDefined[variableName] = false;
context.SymbolTable.MakeSafe(variableName, Fragment.CreateUndefined());
}
}
public void NamedFragmentAssignableToUndefinedFragment()
{
FragmentUtility.FragmentTypesAssignable(Fragment.CreateNamed("dummy"), Fragment.CreateUndefined());
}
public void UndefinedFragmentIsUndefined()
{
Assert.That(Fragment.CreateUndefined().Undefined, Is.True);
}
public void UndefinedFragmentIsNotNamed()
{
Assert.That(Fragment.CreateUndefined() == Fragment.CreateNamed("dummy"), Is.False);
}
public void UndefinedFragmentIsNoLiteral()
{
Assert.That(Fragment.CreateUndefined() == Fragment.CreateLiteral(), Is.False);
}
public void UndefinedFragmentBehavesLikeEmptyFragment()
{
Assert.That(Fragment.CreateUndefined() == Fragment.CreateEmpty(), Is.True);
}
