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);
}
public static Expression AppendMemberReference(this Expression expresion, IDebugMemberInfo memberInfo, params Expression[] args)
{
Expression target;
if (memberInfo.IsStatic)
{
target = new TypeReferenceExpression()
{
Type = memberInfo.DeclaringType.GetTypeReference()
};
}
else
{
target = CastTo(expresion, (DebugType)memberInfo.DeclaringType);
}
if (memberInfo is DebugFieldInfo)
{
if (args.Length > 0)
{
throw new DebuggerException("No arguments expected for a field");
}
var mre = new MemberReferenceExpression()
{
Target = target.Clone(), MemberName = memberInfo.Name
};
return(mre.SetStaticType(memberInfo.MemberType));
}
if (memberInfo is MethodInfo)
{
var mre = new MemberReferenceExpression()
{
Target = target, MemberName = memberInfo.Name
};
var ie = new InvocationExpression()
{
Target = mre.Clone()
};
ie.Arguments.AddRange(AddExplicitTypes((MethodInfo)memberInfo, args));
return(ie.SetStaticType(memberInfo.MemberType));
}
if (memberInfo is PropertyInfo)
{
PropertyInfo propInfo = (PropertyInfo)memberInfo;
if (args.Length > 0)
{
if (memberInfo.Name != "Item")
{
throw new DebuggerException("Arguments expected only for the Item property");
}
var ie = new IndexerExpression()
{
Target = target.Clone()
};
ie.Arguments.AddRange(AddExplicitTypes(propInfo.GetGetMethod() ?? propInfo.GetSetMethod(), args));
return(ie.SetStaticType(memberInfo.MemberType));
}
else
{
return((new MemberReferenceExpression()
{
Target = target.Clone(),
MemberName = memberInfo.Name
}).SetStaticType(memberInfo.MemberType));
}
}
throw new DebuggerException("Unknown member type " + memberInfo.GetType().FullName);
}