DiagnosticDescriptors.cs

// Copyright (c) 2019-2026 ReactiveUI and Contributors. All rights reserved.
// ReactiveUI and Contributors licenses this file to you under the MIT license.
// See the LICENSE file in the project root for full license information.
using Microsoft.CodeAnalysis;

namespace Refit.Generator;

/// <summary>Diagnostic descriptors reported by the Refit source generator.</summary>
internal static class DiagnosticDescriptors
{
    /// <summary>Diagnostic reported when the Refit assembly is not referenced.</summary>
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "RS2008", Justification = "Diagnostic IDs are stable and intentionally not tracked in an analyzer release-tracking file.")]
    internal static readonly DiagnosticDescriptor RefitNotReferenced =
        new(
            "RF002",
            "Refit must be referenced",
            "Refit is not referenced. Add a reference to Refit.",
            Category,
            DiagnosticSeverity.Error,
            true);

    /// <summary>Diagnostic reported when a source-generation-only attribute is used on a method that cannot generate inline.</summary>
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "RS2008", Justification = "Diagnostic IDs are stable and intentionally not tracked in an analyzer release-tracking file.")]
    internal static readonly DiagnosticDescriptor SourceGenOnlyAttributeRequiresInlineRequest =
        new(
            "RF007",
            "Attribute requires generated request building",
            "Method '{0}' uses [{1}], which is only honored by generated request building, but its request cannot be "
            + "generated inline. Make the method compatible with inline generation or remove the attribute.",
            Category,
            DiagnosticSeverity.Error,
            true);

    /// <summary>The diagnostic category for Refit generator diagnostics.</summary>
    private const string Category = "Refit";
}