Ejemplo n.º 1
0
            private void Visit(UsingParametersStatement usingParametersStatement)
            {
                if (currentContext == null)
                {
                    logging.Error("Unexpected 'using params' outside of shader block declaration", usingParametersStatement.Span);
                    return;
                }

                HashSet<string> usings = currentContext.DeclaredParameters;

                // If this is a using params without a body, it is a simple reference of a ParameterBlock
                if (usingParametersStatement.Body == null)
                {
                    var simpleName = usingParametersStatement.Name as VariableReferenceExpression;
                    if (simpleName != null)
                    {
                        string typeName = simpleName.Name.Text;

                        if (usings.Contains(typeName))
                        {
                            logging.Error("Unexpected declaration of using params. This variable is already declared in this scope", usingParametersStatement.Span);
                            return;
                        }

                        usings.Add(typeName);
                    }
                }
                else
                {
                    // using params with a body is to enter the context of the parameters passed to the using statements
                    VisitDynamic(usingParametersStatement.Body);
                }
            }
Ejemplo n.º 2
0
        protected virtual void Visit(UsingParametersStatement usingParametersStatement)
        {
            if (usingParametersStatement.Body == null)
                return;

            Identifier parameterType;
            Identifier parameterMember;
            if (!TryParameters(usingParametersStatement.Name, out parameterType, out parameterMember))
            {
                Write(@"#error ""Unexpected parameter for 'using params' [");
                VisitDynamic(usingParametersStatement.Name);
                WriteLine(@"]. Expecting single property access""");
                return;
            }

            AddPushPopParameters(usingParametersStatement.Body, parameterType, parameterMember, usingParametersStatement.Name, usingParametersStatement.Span);

            Visit(usingParametersStatement.Body);
        }