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Add support for duplicate values in flag enums
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13 changes: 13 additions & 0 deletions
13
Src/EnumSourceGen.Tests.CodeGen/Resources/DuplicateValues.input
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| //This test is checks if we support duplicate values for flag enums | ||
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| namespace Some.Namespace.Here; | ||
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| [Flags] | ||
| [EnumSourceGen] | ||
| public enum Profile | ||
| { | ||
| Unknown = 0, | ||
| WindowsLegacy = 1 << 0, | ||
| WindowsServer2022 = 1 << 8, | ||
| NewestServer = WindowsServer2022, | ||
| } |
235 changes: 235 additions & 0 deletions
235
Src/EnumSourceGen.Tests.CodeGen/Resources/DuplicateValues.output
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| // <auto-generated /> | ||
| #nullable enable | ||
| using System; | ||
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| namespace Some.Namespace.Here; | ||
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| [Flags] | ||
| public enum ProfileFormat : byte | ||
| { | ||
| None = 0, | ||
| Name = 1, | ||
| Value = 2, | ||
| Default = Name | Value | ||
| } | ||
| // <auto-generated /> | ||
| #nullable enable | ||
| using System; | ||
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| namespace Some.Namespace.Here; | ||
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| public static partial class Enums | ||
| { | ||
| public static partial class Profile | ||
| { | ||
| public const int MemberCount = 4; | ||
| public const bool IsFlagEnum = true; | ||
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| public static string[] GetMemberNames() => _names ??= new string[] { | ||
| "Unknown", | ||
| "WindowsLegacy", | ||
| "WindowsServer2022", | ||
| "NewestServer" | ||
| }; | ||
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| public static Some.Namespace.Here.Profile[] GetMemberValues() => _values ??= new Some.Namespace.Here.Profile[] { | ||
| Some.Namespace.Here.Profile.Unknown, | ||
| Some.Namespace.Here.Profile.WindowsLegacy, | ||
| Some.Namespace.Here.Profile.WindowsServer2022, | ||
| Some.Namespace.Here.Profile.NewestServer | ||
| }; | ||
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| public static Int32[] GetUnderlyingValues() => _underlyingValues ??= new Int32[] { | ||
| 0, | ||
| 1, | ||
| 256, | ||
| 256 | ||
| }; | ||
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| public static bool TryParse(string value, out Some.Namespace.Here.Profile result, Some.Namespace.Here.ProfileFormat format = Some.Namespace.Here.ProfileFormat.Default, StringComparison comparison = StringComparison.Ordinal) | ||
| { | ||
| if (format.HasFlag(Some.Namespace.Here.ProfileFormat.Name)) | ||
| { | ||
| if (value.Equals("Unknown", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.Unknown; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("WindowsLegacy", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsLegacy; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("WindowsServer2022", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsServer2022; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("NewestServer", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.NewestServer; | ||
| return true; | ||
| } | ||
| } | ||
| if (format.HasFlag(Some.Namespace.Here.ProfileFormat.Value)) | ||
| { | ||
| if (value.Equals("0", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.Unknown; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("1", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsLegacy; | ||
| return true; | ||
| } | ||
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| if (value.Equals("256", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsServer2022; | ||
| return true; | ||
| } | ||
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| if (value.Equals("256", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.NewestServer; | ||
| return true; | ||
| } | ||
| } | ||
| result = default; | ||
| return false; | ||
| } | ||
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| #if NETSTANDARD2_1_OR_GREATER || NETCOREAPP3_1_OR_GREATER | ||
| public static bool TryParse(ReadOnlySpan<char> value, out Some.Namespace.Here.Profile result, Some.Namespace.Here.ProfileFormat format = Some.Namespace.Here.ProfileFormat.Default, StringComparison comparison = StringComparison.Ordinal) | ||
| { | ||
| if (format.HasFlag(Some.Namespace.Here.ProfileFormat.Name)) | ||
| { | ||
| if (value.Equals("Unknown", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.Unknown; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("WindowsLegacy", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsLegacy; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("WindowsServer2022", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsServer2022; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("NewestServer", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.NewestServer; | ||
| return true; | ||
| } | ||
| } | ||
| if (format.HasFlag(Some.Namespace.Here.ProfileFormat.Value)) | ||
| { | ||
| if (value.Equals("0", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.Unknown; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("1", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsLegacy; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("256", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.WindowsServer2022; | ||
| return true; | ||
| } | ||
|
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| if (value.Equals("256", comparison)) | ||
| { | ||
| result = Some.Namespace.Here.Profile.NewestServer; | ||
| return true; | ||
| } | ||
| } | ||
| result = default; | ||
| return false; | ||
| } | ||
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| public static Some.Namespace.Here.Profile Parse(ReadOnlySpan<char> value, Some.Namespace.Here.ProfileFormat format = Some.Namespace.Here.ProfileFormat.Default, StringComparison comparison = StringComparison.Ordinal) | ||
| { | ||
| if (!TryParse(value, out Some.Namespace.Here.Profile result, format, comparison)) | ||
| throw new ArgumentOutOfRangeException($"Invalid value: {value.ToString()}"); | ||
|
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| return result; | ||
| } | ||
| #endif | ||
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| public static Some.Namespace.Here.Profile Parse(string value, Some.Namespace.Here.ProfileFormat format = Some.Namespace.Here.ProfileFormat.Default, StringComparison comparison = StringComparison.Ordinal) | ||
| { | ||
| if (!TryParse(value, out Some.Namespace.Here.Profile result, format, comparison)) | ||
| throw new ArgumentOutOfRangeException($"Invalid value: {value}"); | ||
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| return result; | ||
| } | ||
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| public static bool IsDefined(Some.Namespace.Here.Profile input) | ||
| { | ||
| return unchecked(((Int32)257UL & (Int32)input) == (Int32)input); | ||
| } | ||
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| private static string[]? _names; | ||
| private static Some.Namespace.Here.Profile[]? _values; | ||
| private static Int32[]? _underlyingValues; | ||
|
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| } | ||
| } | ||
| // <auto-generated /> | ||
| #nullable enable | ||
| using System; | ||
| using System.Diagnostics.CodeAnalysis; | ||
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| namespace Some.Namespace.Here; | ||
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| public static partial class ProfileExtensions | ||
| { | ||
| public static string GetString(this Some.Namespace.Here.Profile value) => value.ToString(); | ||
|
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| public static bool TryGetUnderlyingValue(this Some.Namespace.Here.Profile value, out Int32 underlyingValue) | ||
| { | ||
| switch (value.ToString()) | ||
| { | ||
| case "Unknown": | ||
| underlyingValue = 0; | ||
| return true; | ||
| case "WindowsLegacy": | ||
| underlyingValue = 1; | ||
| return true; | ||
| case "WindowsServer2022": | ||
| underlyingValue = 256; | ||
| return true; | ||
| case "NewestServer": | ||
| underlyingValue = 256; | ||
| return true; | ||
| } | ||
| underlyingValue = default; | ||
| return false; | ||
| } | ||
|
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| public static Int32 GetUnderlyingValue(this Some.Namespace.Here.Profile value) | ||
| { | ||
| if (!TryGetUnderlyingValue(value, out Int32 underlyingValue)) | ||
| throw new ArgumentOutOfRangeException($"Invalid value: {value}"); | ||
|
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| return underlyingValue; | ||
| } | ||
|
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| public static bool IsFlagSet(this Some.Namespace.Here.Profile value, Some.Namespace.Here.Profile flag) => ((Int32)value & (Int32)flag) == (Int32)flag; | ||
| } |
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