// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.PooledObjects;
namespace Microsoft.CodeAnalysis.Diagnostics.CSharp
{
/// <summary>
/// DiagnosticAnalyzer for C# compiler's syntax/semantic/compilation diagnostics.
/// </summary>
[DiagnosticAnalyzer(LanguageNames.CSharp)]
internal sealed class CSharpCompilerDiagnosticAnalyzer : CompilerDiagnosticAnalyzer
{
protected override CommonMessageProvider MessageProvider
=> CodeAnalysis.CSharp.MessageProvider.Instance;
internal override ImmutableArray<int> GetSupportedErrorCodes()
{
var errorCodes = Enum.GetValues(typeof(ErrorCode));
var builder = ArrayBuilder<int>.GetInstance(errorCodes.Length);
foreach (ErrorCode errorCode in errorCodes)
{
// Compiler diagnostic analyzer does not support build-only diagnostics.
if (!ErrorFacts.IsBuildOnlyDiagnostic(errorCode) &&
errorCode is not (ErrorCode.Void or ErrorCode.Unknown))
{
builder.Add((int)errorCode);
}
}
return builder.ToImmutableAndFree();
}
}
}
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