SymbolVisitor`1.cs

// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.

namespace Microsoft.CodeAnalysis
{
    public abstract class SymbolVisitor<TResult>
    {
        public virtual TResult Visit(ISymbol symbol)
        {
            return symbol == null
                ? default(TResult)
                : symbol.Accept(this);
        }

        public virtual TResult DefaultVisit(ISymbol symbol)
        {
            return default(TResult);
        }

        public virtual TResult VisitAlias(IAliasSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitArrayType(IArrayTypeSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitAssembly(IAssemblySymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitDiscard(IDiscardSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitDynamicType(IDynamicTypeSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitEvent(IEventSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitField(IFieldSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitLabel(ILabelSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitLocal(ILocalSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitMethod(IMethodSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitModule(IModuleSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitNamedType(INamedTypeSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitNamespace(INamespaceSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitParameter(IParameterSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitPointerType(IPointerTypeSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitProperty(IPropertySymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitRangeVariable(IRangeVariableSymbol symbol)
        {
            return DefaultVisit(symbol);
        }

        public virtual TResult VisitTypeParameter(ITypeParameterSymbol symbol)
        {
            return DefaultVisit(symbol);
        }
    }
}