C#•3y ago

❔ How can i remove methods or classes with an Attribute from compiling?

How can i remove methods or classes with an Attribute from compiling?

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MrScautHDOP•8/19/23, 6:15 PM

what i need todo?

Angius•8/19/23, 6:15 PM

That seems like an XY issue tbh

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MrScautHDOP•8/19/23, 6:15 PM

would it not possible with a attribute

Angius•8/19/23, 6:16 PM

Ah, so trying to fix a fucked up architecture, carry on

MrScautHDOP•8/19/23, 6:16 PM

is the #if the best way?

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MrScautHDOP•8/19/23, 6:17 PM

would it possible to set the #if variable with c# code

MrScautHDOP•8/19/23, 6:17 PM

or just with XNA

MrScautHDOP•8/19/23, 6:17 PM

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MrScautHDOP•8/19/23, 6:17 PM

what is #define doing?

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MrScautHDOP•8/19/23, 6:18 PM

eh i not think they can

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MrScautHDOP•8/19/23, 6:18 PM

i just like the code style more

MrScautHDOP•8/19/23, 6:18 PM

instead of the #if

Angius•8/19/23, 6:18 PM

Attributes are something you get on runtime during reflection, or on compile time using source generators

Angius•8/19/23, 6:19 PM

You can't arbitrarily exclude code from compilation using them

Angius•8/19/23, 6:19 PM

Since reflections cannot do that

Angius•8/19/23, 6:19 PM

And source generators can only generate code, not delete or overwrite it

Angius•8/19/23, 6:19 PM

So either:
a) rethink your architecture
b) deal with it

AAngius So either: a) rethink your architecture b) deal with it

MrScautHDOP•8/19/23, 6:20 PM

man i just find the best way

MrScautHDOP•8/19/23, 6:20 PM

but yea thx i use the #if thing

MrScautHDOP•8/19/23, 6:20 PM

if it would work with my system

MrScautHDOP•8/19/23, 6:21 PM

@Mathf.Lerp i doing a API so i need to allow other users to disable or enable it

MrScautHDOP•8/19/23, 6:21 PM

and i think you can not overwrite it

Angius•8/19/23, 6:22 PM

Uh, an API is compiled once, and runs on the server

Angius•8/19/23, 6:22 PM

Unless you want the users to be able to recompile it?

Angius•8/19/23, 6:22 PM

And remove arbitrary code?

Angius•8/19/23, 6:22 PM

Which seems, uh, mental

MrScautHDOP•8/19/23, 6:23 PM

idk would it not possible to doing any generated file that allow you to set the headless variable to true or false

Angius•8/19/23, 6:23 PM

With you can check for variables in the csproj

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MrScautHDOP•8/19/23, 6:24 PM

yea ik

MrScautHDOP•8/19/23, 6:24 PM

so i need to change it before i compile it

Angius•8/19/23, 6:25 PM

Or just use simple logic where needed

MrScautHDOP•8/19/23, 6:29 PM

oh wait

MrScautHDOP•8/19/23, 6:29 PM

if i doing now something like that?

MrScautHDOP•8/19/23, 6:29 PM

can i define it in a project that refernce this?

Angius•8/19/23, 6:33 PM

https://stackoverflow.com/a/61122781/6042255 ye

Angius•8/19/23, 6:33 PM

Well, uh, kinda

Angius•8/19/23, 6:33 PM

Weird, I thought you can just easily use csproj variables, but it seems like you need after all

MrScautHDOP•8/19/23, 6:42 PM

if i define that now:

MrScautHDOP•8/19/23, 6:42 PM

should it not normaly not anymore possbile to call the Input?

MrScautHDOP•8/19/23, 6:42 PM

Because it still is

MrScautHDOP•8/19/23, 6:45 PM

mhh i see that would not work

JakenVeina•8/19/23, 6:53 PM

the closes thing to what you're asking is which only works because Roslyn is designed to specifically look for it, and change its behavior accordingly

JakenVeina•8/19/23, 6:53 PM

https://learn.microsoft.com/en-us/dotnet/api/system.diagnostics.conditionalattribute?view=net-7.0

ConditionalAttribute Class (System.Diagnostics)

Indicates to compilers that a method call or attribute should be ignored unless a specified conditional compilation symbol is defined.

JakenVeina•8/19/23, 6:53 PM

other than that, yes, this very much sounds like an XY problem

JJakenVeina https://learn.microsoft.com/en-us/dotnet/api/system.diagnostics.conditionalattri...

MrScautHDOP•8/20/23, 4:26 PM

Does that really remove it from the compiler or just ingore it?

JakenVeina•8/20/23, 4:27 PM

not entirely sure

MrScautHDOP•8/20/23, 4:27 PM

mhh

MrScautHDOP•8/20/23, 4:28 PM

but if i want to remove it from the compiler i need to use #if