public static Expression CastTo(this Expression expresion, DebugType castTo)
{
// No need to cast
if (expresion.GetStaticType() == castTo)
{
return(expresion);
}
if (expresion is PrimitiveExpression)
{
object val = ((PrimitiveExpression)expresion).Value;
if (val != null && val.GetType().FullName == castTo.FullName)
{
return(expresion);
}
}
return(new CastExpression(castTo.GetTypeReference(), expresion.Parenthesize(), CastType.Cast));
}
public static IndexerExpression AppendIndexer(this Expression expression, params int[] indices)
{
IndexerExpression indexerExpr = new IndexerExpression(Parenthesize(expression), new List <Expression>());
foreach (int index in indices)
{
indexerExpr.Indexes.Add(new PrimitiveExpression(index));
}
DebugType staticType = expression.GetStaticType();
if (staticType != null && staticType.IsArray)
{
indexerExpr.SetStaticType((DebugType)staticType.GetElementType());
}
if (staticType != null && staticType.FullNameWithoutGenericArguments == typeof(List <>).FullName)
{
indexerExpr.SetStaticType((DebugType)staticType.GetGenericArguments()[0]);
}
return(indexerExpr);
}
