APISampleUnitTestsCS.FAQ.TraverseAllExpressionsInASyntaxTreeUsingAWalker C# (CSharp) Метод

        public void TraverseAllExpressionsInASyntaxTreeUsingAWalker()
        {
            var tree = SyntaxTree.ParseText(@"
            using System;
            class Program
            {
            static void Main()
            {
            var i = 0.0;
            i += 1 + 2L;
            }
            }");
            var compilation = Compilation.Create("MyCompilation")
                .AddReferences(MetadataReference.CreateAssemblyReference("mscorlib"))
                .AddSyntaxTrees(tree);
            var model = compilation.GetSemanticModel(tree);
            var walker = new ExpressionWalker() { SemanticModel = model };

            walker.Visit(tree.GetRoot());
            Assert.AreEqual(@"
            PredefinedTypeSyntax void has type void
            IdentifierNameSyntax var has type double
            LiteralExpressionSyntax 0.0 has type double
            BinaryExpressionSyntax i += 1 + 2L has type double
            IdentifierNameSyntax i has type double
            BinaryExpressionSyntax 1 + 2L has type long
            LiteralExpressionSyntax 1 has type int
            LiteralExpressionSyntax 2L has type long", walker.Results.ToString());
        }