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()
{
Expression = expresion.Clone().Parenthesize(), Type = castTo.GetTypeReference()
});
}
public static IndexerExpression AppendIndexer(this Expression expression, params int[] indices)
{
var args = new List <Expression>();
foreach (int index in indices)
{
args.Add(new PrimitiveExpression(index));
}
IndexerExpression indexerExpr = expression.Clone().Indexer(args);
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);
}
