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// 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 Microsoft.CodeAnalysis.Shared.Extensions;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.CodeGeneration;
internal static class SyntaxAnnotationExtensions
{
public static TSymbol AddAnnotationToSymbol<TSymbol>(
this SyntaxAnnotation annotation,
TSymbol symbol)
where TSymbol : ISymbol
{
Contract.ThrowIfFalse(symbol is CodeGenerationSymbol);
var codeGenSymbol = (CodeGenerationSymbol)(object)symbol;
return (TSymbol)(object)codeGenSymbol.WithAdditionalAnnotations(annotation);
}
internal static SyntaxAnnotation[] CombineAnnotations(
SyntaxAnnotation[] originalAnnotations,
SyntaxAnnotation[] newAnnotations)
{
if (!originalAnnotations.IsNullOrEmpty())
{
// Make a new array (that includes the new annotations) and copy the original
// annotations into it.
var finalAnnotations = newAnnotations;
Array.Resize(ref finalAnnotations, originalAnnotations.Length + newAnnotations.Length);
Array.Copy(originalAnnotations, 0, finalAnnotations, newAnnotations.Length, originalAnnotations.Length);
return finalAnnotations;
}
return newAnnotations;
}
}
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