public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            string writeInvocation = context.BuildCodeString(cw =>
            {
                if (context.Host.DesignTimeMode)
                {
                    context.EnsureExpressionHelperVariable();
                    cw.WriteStartAssignment("__o");
                }
                else if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
                {
                    if (!String.IsNullOrEmpty(context.TargetWriterName))
                    {
                        cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteToMethodName);
                        cw.WriteSnippet(context.TargetWriterName);
                        cw.WriteParameterSeparator();
                    }
                    else
                    {
                        cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteMethodName);
                    }
                }
            });

            context.BufferStatementFragment(writeInvocation);
            context.MarkStartOfGeneratedCode();
        }
        public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            if (
                context.Host.EnableInstrumentation &&
                context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput
                )
            {
                Span contentSpan = target.Children
                                   .OfType <Span>()
                                   .Where(s => s.Kind == SpanKind.Code || s.Kind == SpanKind.Markup)
                                   .FirstOrDefault();

                if (contentSpan != null)
                {
                    context.AddContextCall(
                        contentSpan,
                        context.Host.GeneratedClassContext.BeginContextMethodName,
                        false
                        );
                }
            }

            string writeInvocation = context.BuildCodeString(
                cw =>
            {
                if (context.Host.DesignTimeMode)
                {
                    context.EnsureExpressionHelperVariable();
                    cw.WriteStartAssignment("__o");
                }
                else if (
                    context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput
                    )
                {
                    if (!String.IsNullOrEmpty(context.TargetWriterName))
                    {
                        cw.WriteStartMethodInvoke(
                            context.Host.GeneratedClassContext.WriteToMethodName
                            );
                        cw.WriteSnippet(context.TargetWriterName);
                        cw.WriteParameterSeparator();
                    }
                    else
                    {
                        cw.WriteStartMethodInvoke(
                            context.Host.GeneratedClassContext.WriteMethodName
                            );
                    }
                }
            }
                );

            context.BufferStatementFragment(writeInvocation);
            context.MarkStartOfGeneratedCode();
        }
        public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            if (context.Host.EnableInstrumentation && context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
            {
                Span contentSpan = target.Children
                    .OfType<Span>()
                    .Where(s => s.Kind == SpanKind.Code || s.Kind == SpanKind.Markup)
                    .FirstOrDefault();

                if (contentSpan != null)
                {
                    context.AddContextCall(contentSpan, context.Host.GeneratedClassContext.BeginContextMethodName, false);
                }
            }

            string writeInvocation = context.BuildCodeString(cw =>
            {
                if (context.Host.DesignTimeMode)
                {
                    context.EnsureExpressionHelperVariable();
                    cw.WriteStartAssignment("__o");
                }
                else if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
                {
                    if (!String.IsNullOrEmpty(context.TargetWriterName))
                    {
                        cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteToMethodName);
                        cw.WriteSnippet(context.TargetWriterName);
                        cw.WriteParameterSeparator();
                    }
                    else
                    {
                        cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteMethodName);
                    }
                }
            });

            context.BufferStatementFragment(writeInvocation);
            context.MarkStartOfGeneratedCode();
        }