// 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.

#nullable disable

using Microsoft.CodeAnalysis.CSharp.Syntax;

namespace Microsoft.CodeAnalysis.CSharp.Extensions;

internal static class VariableDeclaratorExtensions
{
    public static TypeSyntax GetVariableType(this VariableDeclaratorSyntax declarator)
    {
        if (declarator.Parent is VariableDeclarationSyntax variableDeclaration)
        {
            return variableDeclaration.Type;
        }

        return null;
    }

    public static bool IsTypeInferred(this VariableDeclaratorSyntax variable, SemanticModel semanticModel)
    {
        var variableTypeName = variable.GetVariableType();
        if (variableTypeName == null)
        {
            return false;
        }

        return variableTypeName.IsTypeInferred(semanticModel);
    }
}