private void Print(PrintAst ast)
        {
            var expression = GetValue(Exec(ast.Expression));

            Console.WriteLine(expression);
        }
        public void Visit(PrintAst ast)
        {
            ast.Expression.Visit(this);

            if (ResolvingTypes)
            {
                if (ast.Expression.AstSymbolType == null)
                {
                    throw new InvalidSyntax("Undefined expression in print statement");
                }

                if (ast.Expression.AstSymbolType.ExpressionType == ExpressionTypes.Void)
                {
                    throw new InvalidSyntax("Cannot print a void expression");
                }

                if (ast.Expression.AstSymbolType.ExpressionType == ExpressionTypes.Method)
                {
                    var returnAst = (ast.Expression.AstSymbolType.Src as MethodDeclr);

                    if (returnAst != null)
                    {
                        var retStatement = returnAst.ReturnAst;

                        if (retStatement == null)
                        {
                            throw new InvalidSyntax("Cannot print a void expression");
                        }
                    }

                }
            }
        }
 public void Visit(PrintAst ast)
 {
     Exec(ast);
 }
 public void Visit(PrintAst ast)
 {
     PrintWrap("Print", () => ast.Expression.Visit(this));
 }