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04-24-2008
| #1 (permalink) |
| | How to write a .NET attribute which does just like ObsoleteAttribute... Hi, In .NET there is attribute named ObsoleteAttribute which is derived from System.Attribute Class. This attribute when applied to a target (class or method etc.) gives a compiler warning/error. I know we can write our own attributes by inheriting the System.Attribute but I want to make it give compiler warning or error when it is applied on the defined attribute target. How can we write such an attributes? Regards, Ashok G |
My System Specs |
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04-24-2008
| #2 (permalink) |
| | Re: How to write a .NET attribute which does just likeObsoleteAttribute... You can't... ObsoleteAttribute is handled as a special-case by the compiler, not by anything extensible. What do you want to check, in particular? There may be other ways of doing it... Marc |
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04-24-2008
| #3 (permalink) |
| | Re: How to write a .NET attribute which does just likeObsoleteAttribute... On Apr 24, 8:26*am, "AshokG" <gw2ks...@xxxxxx> wrote: Quote: > Hi, > > In .NET there is attribute named ObsoleteAttribute which is derived from > System.Attribute Class. This attribute when applied to a target (class or > method etc.) gives a compiler warning/error. I know we can write our own > attributes by inheriting the System.Attribute but I want to *make it give > compiler warning or error when it is applied on the defined attribute > target. > > How can we write such an attributes? > > Regards, > Ashok G AFAIK there is no way of doing that. The compiler knows a given number of attributes and have CODED actions for them. You would need to write a new compiler  |
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04-27-2008
| #4 (permalink) |
| | Re: How to write a .NET attribute which does just like ObsoleteAttribute... Hi Ashok, I know you can designate code as 'deprecated'. Simply deprecate the attribute and each usage of it will probally result in a compiler warning. (not sure 100% because i have not tried this yet) Let me know if it works! Chazz AshokG schreef: Quote: > Hi, > > In .NET there is attribute named ObsoleteAttribute which is derived from > System.Attribute Class. This attribute when applied to a target (class or > method etc.) gives a compiler warning/error. I know we can write our own > attributes by inheriting the System.Attribute but I want to make it give > compiler warning or error when it is applied on the defined attribute > target. > > How can we write such an attributes? > > Regards, > Ashok G > > |
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04-28-2008
| #5 (permalink) |
| | Re: How to write a .NET attribute which does just like ObsoleteAttribute... I think I can do something with AST (Abstract Syntax Tree) of the .NET framework. I don't have complete onfo on .NET's AST. Regards, Ashok G "AshokG" <gw2ksoft@xxxxxx> wrote in message news:uTeKFZgpIHA.1236@xxxxxx Quote: > Hi, > > In .NET there is attribute named ObsoleteAttribute which is derived from > System.Attribute Class. This attribute when applied to a target (class or > method etc.) gives a compiler warning/error. I know we can write our own > attributes by inheriting the System.Attribute but I want to make it give > compiler warning or error when it is applied on the defined attribute > target. > > How can we write such an attributes? > > Regards, > Ashok G > |
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