Bug 10351 - New Code Analysis rule to extract a group of similarly named integer-based constants into an enum
Summary: New Code Analysis rule to extract a group of similarly named integer-based co...
Alias: None
Product: Xamarin Studio
Classification: Desktop
Component: Text Editor ()
Version: 4.0
Hardware: PC Windows
: Normal enhancement
Target Milestone: ---
Assignee: Mike Krüger
Depends on:
Reported: 2013-02-17 10:01 UTC by Jeffrey Stedfast
Modified: 2017-09-26 12:44 UTC (History)
3 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Jeffrey Stedfast 2013-02-17 10:01:56 UTC
If you have something like:

public class MyClass {

    public const int FONT_WEIGHT_NORMAL = 0;
    public const int FONT_WEIGHT_SEMIBOLD = 1;
    public const int FONT_WEIGHT_BOLD = 2;


It would be really handy if Code Analysis offered to split those constants out into their own enum:

public enum FontWeight : int {
    Normal = 0,
    Semibold = 1,
    Bold = 2

(would be great if this worked for all integer primitives)

... and updated code using FONT_WEIGHT_* to use FontWeight.*

As an addendum to this, perhaps if it is a static class and contained nothing but those integer constants, perhaps just offer to replace the class with an enum of the same name.

I've been hacking on a project that was auto-converted from Java into C# and I find myself doing this type of refactoring a LOT.
Comment 1 Mike Krüger 2013-02-18 02:04:15 UTC
btw. when you do that a lot  - wouldn't it have been easier to write the refactoring instead ? :)
Comment 2 Jeffrey Stedfast 2013-02-18 06:48:57 UTC
I was pretty close to doing that ;-)
Comment 3 Luís Reis 2013-06-30 20:50:08 UTC
I've attempted to fix this with https://github.com/icsharpcode/NRefactory/pull/205

Note that my version will convert FONT_WEIGHT_* to ((int) FONT_WEIGHT.*):
It won't fix the name (but that part has an easy workaround because MonoDevelop already has a 'Rename' action) and it adds a type cast.
Comment 4 Jeffrey Stedfast 2013-07-01 08:49:44 UTC
Comment 5 Marius Ungureanu 2017-09-26 12:44:07 UTC
This bug no longer applies to the product. This feature request should be upstreamed to Roslyn, as we take refactorings/issues from Roslyn now.