protected override IStatement ConvertFor(IForStatement ifs)
{
var loopSize = Recognizer.LoopSizeExpression(ifs);
if (!((loopSize is IVariableReferenceExpression) || (loopSize is IArrayIndexerExpression) ||
(loopSize is IArgumentReferenceExpression) || (loopSize is ILiteralExpression) ||
(loopSize is IPropertyReferenceExpression)))
{
Error("Invalid expression type for the size of a loop (" + loopSize.GetType().Name + "): " + loopSize);
return(ifs);
}
if (loopSize is ILiteralExpression)
{
// remove loops that execute for 0 iterations
int loopSizeAsInt = (int)((ILiteralExpression)loopSize).Value;
if (loopSizeAsInt == 0)
{
return(null);
}
}
Containers c = Containers.GetContainersNeededForExpression(context, loopSize);
c.Add(ifs);
IVariableDeclaration loopVar = Recognizer.LoopVariable(ifs);
context.InputAttributes.Remove <Containers>(loopVar);
context.InputAttributes.Set(loopVar, c);
return(base.ConvertFor(ifs));
}