Example #1
0
        /// <summary>
        /// Compiles the view and returns a function that can be invoked repeatedly. The function builds full control tree and activates the page.
        /// </summary>
        public virtual CSharpCompilation CompileView(IReader reader, string fileName, CSharpCompilation compilation, string namespaceName, string className)
        {
            // parse the document
            var tokenizer = new DothtmlTokenizer();
            tokenizer.Tokenize(reader);
            var parser = new DothtmlParser();
            var node = parser.Parse(tokenizer.Tokens);

            var resolvedView = (ResolvedTreeRoot)controlTreeResolver.ResolveTree(node, fileName);

            var errorCheckingVisitor = new ErrorCheckingVisitor();
            resolvedView.Accept(errorCheckingVisitor);

            foreach (var token in tokenizer.Tokens)
            {
                if (token.HasError && token.Error.IsCritical)
                {
                    throw new DotvvmCompilationException(token.Error.ErrorMessage, new[] { (token.Error as BeginWithLastTokenOfTypeTokenError<DothtmlToken, DothtmlTokenType>)?.LastToken ?? token });
                }
            }

            foreach (var n in node.EnumerateNodes())
            {
                if (n.HasNodeErrors)
                {
                    throw new DotvvmCompilationException(string.Join(", ", n.NodeErrors), n.Tokens);
                }
            }

            var styleVisitor = new StylingVisitor(configuration.Styles);
            resolvedView.Accept(styleVisitor);

            var validationVisitor = new Validation.ControlUsageValidationVisitor(configuration);
            resolvedView.Accept(validationVisitor);
            if (validationVisitor.Errors.Any())
            {
                var controlUsageError = validationVisitor.Errors.First();
                throw new DotvvmCompilationException(controlUsageError.ErrorMessage, controlUsageError.Nodes.SelectMany(n => n.Tokens));
            }

            if (configuration.Debug && configuration.ApplicationPhysicalPath != null)
            {
                var addExpressionDebugvisitor = new ExpressionDebugInfoAddingVisitor(Path.Combine(configuration.ApplicationPhysicalPath, fileName));
                addExpressionDebugvisitor.VisitView(resolvedView);
            }

            var emitter = new DefaultViewCompilerCodeEmitter();
            var compilingVisitor = new ViewCompilingVisitor(emitter, configuration.ServiceLocator.GetService<IBindingCompiler>(), className,
                b => configuration.ServiceLocator.GetService<IBindingIdGenerator>().GetId(b, fileName));

            resolvedView.Accept(compilingVisitor);

            return AddToCompilation(compilation, emitter, fileName, namespaceName, className);
        }
        protected ViewCompilationResult CompileView(string fileName)
        {
            var file = fileLoader.GetMarkup(configuration, fileName);

            // parse the document
            var tokenizer = new DothtmlTokenizer();
            tokenizer.Tokenize(file.ContentsReaderFactory());
            var parser = new DothtmlParser();
            var node = parser.Parse(tokenizer.Tokens);

            var resolvedView = (ResolvedTreeRoot)controlTreeResolver.ResolveTree(node, fileName);

            var errorCheckingVisitor = new ErrorCheckingVisitor();
            resolvedView.Accept(errorCheckingVisitor);


            foreach (var n in node.EnumerateNodes())
            {
                if (n.HasNodeErrors)
                {
                    throw new DotvvmCompilationException(string.Join(", ", n.NodeErrors), n.Tokens);
                }
            }

            var styleVisitor = new StylingVisitor(configuration.Styles);
            resolvedView.Accept(styleVisitor);

            var validationVisitor = new ControlUsageValidationVisitor(configuration);
            resolvedView.Accept(validationVisitor);
            if (validationVisitor.Errors.Any())
            {
                var controlUsageError = validationVisitor.Errors.First();
                throw new DotvvmCompilationException(controlUsageError.ErrorMessage, controlUsageError.Nodes.SelectMany(n => n.Tokens));
            }

            DefaultViewCompilerCodeEmitter emitter = null;
            string fullClassName = null;
            if (Options.FullCompile)
            {
                var namespaceName = DefaultControlBuilderFactory.GetNamespaceFromFileName(file.FileName, file.LastWriteDateTimeUtc);
                var className = DefaultControlBuilderFactory.GetClassFromFileName(file.FileName) + "ControlBuilder";
                fullClassName = namespaceName + "." + className;
                emitter = new DefaultViewCompilerCodeEmitter();
                var compilingVisitor = new ViewCompilingVisitor(emitter, configuration.ServiceLocator.GetService<IBindingCompiler>(), className, b => configuration.ServiceLocator.GetService<IBindingIdGenerator>().GetId(b, fileName));

                resolvedView.Accept(compilingVisitor);

                // compile master pages
                if (resolvedView.Directives.ContainsKey("masterPage"))
                    CompileFile(resolvedView.Directives["masterPage"].Single());

                compilation = compilation
                    .AddSyntaxTrees(emitter.BuildTree(namespaceName, className, fileName)/*.Select(t => SyntaxFactory.ParseSyntaxTree(t.GetRoot().NormalizeWhitespace().ToString()))*/)
                    .AddReferences(emitter.UsedAssemblies
                        .Select(a => CompiledAssemblyCache.Instance.GetAssemblyMetadata(a)));
            }

            Program.WriteInfo($"view { fileName } compiled");

            var res = new ViewCompilationResult
            {
                BuilderClassName = fullClassName,
                ControlType = resolvedView.Metadata.Type,
                DataContextType = emitter?.BuilderDataContextType,
                ResolvedTree = Options.OutputResolvedDothtmlMap ? resolvedView : null
            };
            BuildFileResult(fileName, res);
            return res;
        }