internal IExpression GetMarginalPrototypeExpression(BasicTransformContext context, IExpression prototypeExpression,
IList <IList <IExpression> > indices, IList <IList <IExpression> > wildcardVars = null)
{
IExpression original = prototypeExpression;
int replaceCount = 0;
prototypeExpression = ReplaceIndexVars(context, prototypeExpression, indices, wildcardVars, ref replaceCount);
int mpDepth = Util.GetArrayDepth(varType, Distribution.GetDomainType(prototypeExpression.GetExpressionType()));
int indexingDepth = indices.Count;
int wildcardBracket = 0;
for (int depth = mpDepth; depth < indexingDepth; depth++)
{
IList <IExpression> indexCollection = Builder.ExprCollection();
int wildcardCount = 0;
for (int i = 0; i < indices[depth].Count; i++)
{
if (Recognizer.IsStaticMethod(indices[depth][i], new Func <int>(GateAnalysisTransform.AnyIndex)))
{
indexCollection.Add(wildcardVars[wildcardBracket][wildcardCount]);
wildcardCount++;
}
else
{
indexCollection.Add(indices[depth][i]);
}
}
if (indexCollection.Count > 0)
{
if (wildcardCount > 0)
{
wildcardBracket++;
}
prototypeExpression = Builder.ArrayIndex(prototypeExpression, indexCollection);
replaceCount++;
}
}
if (replaceCount > 0)
{
return(prototypeExpression);
}
else
{
return(original);
}
}