CodeAnalysisAttributes.cs

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *--------------------------------------------------------------------------------------------*/

namespace System.Diagnostics.CodeAnalysis;

[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Module | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
internal sealed class ExperimentalAttribute : Attribute
{
    public ExperimentalAttribute(string diagnosticId) => DiagnosticId = diagnosticId;

    public string DiagnosticId { get; }

    public string? UrlFormat { get; set; }
}

[AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
internal sealed class NotNullWhenAttribute : Attribute
{
    public NotNullWhenAttribute(bool returnValue) => ReturnValue = returnValue;

    public bool ReturnValue { get; }
}

[AttributeUsage(AttributeTargets.Constructor, AllowMultiple = false, Inherited = false)]
internal sealed class SetsRequiredMembersAttribute : Attribute;

[AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
internal sealed class StringSyntaxAttribute : Attribute
{
    public const string Uri = nameof(Uri);

    public const string Regex = nameof(Regex);

    public StringSyntaxAttribute(string syntax)
    {
        Syntax = syntax;
        Arguments = [];
    }

    public StringSyntaxAttribute(string syntax, params object?[] arguments)
    {
        Syntax = syntax;
        Arguments = arguments;
    }

    public string Syntax { get; }

    public object?[] Arguments { get; }
}

[AttributeUsage(AttributeTargets.All, AllowMultiple = true, Inherited = false)]
internal sealed class UnconditionalSuppressMessageAttribute : Attribute
{
    public UnconditionalSuppressMessageAttribute(string category, string checkId)
    {
        Category = category;
        CheckId = checkId;
    }

    public string Category { get; }

    public string CheckId { get; }

    public string? Scope { get; set; }

    public string? Target { get; set; }

    public string? MessageId { get; set; }

    public string? Justification { get; set; }
}