Exemplo n.º 1
0
 public BlockBuilder(Block original)
 {
     Type = original.Type;
     Children = new List<SyntaxTreeNode>(original.Children);
     Name = original.Name;
     CodeGenerator = original.CodeGenerator;
 }
 public GeneratorResults(Block document,
                         IList<RazorError> parserErrors,
                         CodeCompileUnit generatedCode,
                         IDictionary<int, GeneratedCodeMapping> designTimeLineMappings)
     : this(parserErrors.Count == 0, document, parserErrors, generatedCode, designTimeLineMappings)
 {
 }
        public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
        {
            string endBlock = context.BuildCodeString(cw =>
            {
                if (context.ExpressionRenderingMode == ExpressionRenderingMode.WriteToOutput)
                {
                    if (!context.Host.DesignTimeMode)
                    {
                        cw.WriteEndMethodInvoke();
                    }
                    cw.WriteEndStatement();
                }
                else
                {
                    cw.WriteLineContinuation();
                }
            });

            context.MarkEndOfGeneratedCode();
            context.BufferStatementFragment(endBlock);
            context.FlushBufferedStatement();

            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.EndContextMethodName, false);
                }
            }
        }
        internal static void WriteDebugTree(string sourceFile, Block document, PartialParseResult result, TextChange change, RazorEditorParser parser, bool treeStructureChanged)
        {
            if (!OutputDebuggingEnabled)
            {
                return;
            }

            RunTask(() =>
            {
                string outputFileName = Normalize(sourceFile) + "_tree";
                string outputPath = Path.Combine(Path.GetDirectoryName(sourceFile), outputFileName);

                var treeBuilder = new StringBuilder();
                WriteTree(document, treeBuilder);
                treeBuilder.AppendLine();
                treeBuilder.AppendFormat(CultureInfo.CurrentCulture, "Last Change: {0}", change);
                treeBuilder.AppendLine();
                treeBuilder.AppendFormat(CultureInfo.CurrentCulture, "Normalized To: {0}", change.Normalize());
                treeBuilder.AppendLine();
                treeBuilder.AppendFormat(CultureInfo.CurrentCulture, "Partial Parse Result: {0}", result);
                treeBuilder.AppendLine();
                if (result.HasFlag(PartialParseResult.Rejected))
                {
                    treeBuilder.AppendFormat(CultureInfo.CurrentCulture, "Tree Structure Changed: {0}", treeStructureChanged);
                    treeBuilder.AppendLine();
                }
                if (result.HasFlag(PartialParseResult.AutoCompleteBlock))
                {
                    treeBuilder.AppendFormat(CultureInfo.CurrentCulture, "Auto Complete Insert String: \"{0}\"", parser.GetAutoCompleteString());
                    treeBuilder.AppendLine();
                }
                File.WriteAllText(outputPath, treeBuilder.ToString());
            });
        }
        public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            if (context.Host.DesignTimeMode)
            {
                return; // Don't generate anything!
            }
            context.FlushBufferedStatement();
            context.AddStatement(context.BuildCodeString(cw =>
            {
                if (!String.IsNullOrEmpty(context.TargetWriterName))
                {
                    cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteAttributeToMethodName);
                    cw.WriteSnippet(context.TargetWriterName);
                    cw.WriteParameterSeparator();
                }
                else
                {
                    cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.WriteAttributeMethodName);
                }
                cw.WriteStringLiteral(Name);
                cw.WriteParameterSeparator();
                cw.WriteLocationTaggedString(Prefix);
                cw.WriteParameterSeparator();
                cw.WriteLocationTaggedString(Suffix);

                // In VB, we need a line continuation
                cw.WriteLineContinuation();
            }));
        }
Exemplo n.º 6
0
        public override void VisitBlock(Block block)
        {
            if (CanRewrite(block))
            {
                SyntaxTreeNode newNode = RewriteBlock(_blocks.Peek(), block);
                if (newNode != null)
                {
                    _blocks.Peek().Children.Add(newNode);
                }
            }
            else
            {
                // Not rewritable.
                BlockBuilder builder = new BlockBuilder(block);
                builder.Children.Clear();
                _blocks.Push(builder);
                base.VisitBlock(block);
                Debug.Assert(ReferenceEquals(builder, _blocks.Peek()));

                if (_blocks.Count > 1)
                {
                    _blocks.Pop();
                    _blocks.Peek().Children.Add(builder.Build());
                }
            }
        }
        public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            _writer = context.CreateCodeWriter();

            string prefix = context.BuildCodeString(
                cw => cw.WriteHelperHeaderPrefix(context.Host.GeneratedClassContext.TemplateTypeName, context.Host.StaticHelpers));

            _writer.WriteLinePragma(
                context.GenerateLinePragma(Signature.Location, prefix.Length, Signature.Value.Length));
            _writer.WriteSnippet(prefix);
            _writer.WriteSnippet(Signature);
            if (HeaderComplete)
            {
                _writer.WriteHelperHeaderSuffix(context.Host.GeneratedClassContext.TemplateTypeName);
            }
            _writer.WriteLinePragma(null);
            if (HeaderComplete)
            {
                _writer.WriteReturn();
                _writer.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
                _writer.WriteStartLambdaDelegate(HelperWriterName);
            }

            _statementCollectorToken = context.ChangeStatementCollector(AddStatementToHelper);
            _oldWriter = context.TargetWriterName;
            context.TargetWriterName = HelperWriterName;
        }
 public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
 {
     // Flush the buffered statement since we're interrupting it with a comment.
     if (!String.IsNullOrEmpty(context.CurrentBufferedStatement))
     {
         context.MarkEndOfGeneratedCode();
         context.BufferStatementFragment(context.BuildCodeString(cw => cw.WriteLineContinuation()));
     }
     context.FlushBufferedStatement();
 }
 protected GeneratorResults(bool success,
                            Block document,
                            IList<RazorError> parserErrors,
                            CodeCompileUnit generatedCode,
                            IDictionary<int, GeneratedCodeMapping> designTimeLineMappings)
     : base(success, document, parserErrors)
 {
     GeneratedCode = generatedCode;
     DesignTimeLineMappings = designTimeLineMappings;
 }
 public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
 {
     string startBlock = context.BuildCodeString(cw =>
     {
         cw.WriteEndLambdaDelegate();
         cw.WriteEndMethodInvoke();
         cw.WriteEndStatement();
     });
     context.AddStatement(startBlock);
 }
 public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
 {
     string startBlock = context.BuildCodeString(cw =>
     {
         cw.WriteStartMethodInvoke(context.Host.GeneratedClassContext.DefineSectionMethodName);
         cw.WriteStringLiteral(SectionName);
         cw.WriteParameterSeparator();
         cw.WriteStartLambdaDelegate();
     });
     context.AddStatement(startBlock);
 }
        protected override SyntaxTreeNode RewriteBlock(BlockBuilder parent, Block block)
        {
            // Collect the content of this node
            string content = String.Concat(block.Children.Cast<Span>().Select(s => s.Content));

            // Create a new span containing this content
            SpanBuilder span = new SpanBuilder();
            span.EditHandler = new SpanEditHandler(HtmlTokenizer.Tokenize);
            FillSpan(span, block.Children.Cast<Span>().First().Start, content);
            return span.Build();
        }
        public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
        {
            string generatedCode = context.BuildCodeString(cw =>
            {
                cw.WriteEndLambdaDelegate();
                cw.WriteEndConstructor();
                cw.WriteEndLambdaExpression();
            });

            context.BufferStatementFragment(generatedCode);
            context.TargetWriterName = _oldTargetWriter;
        }
 public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
 {
     if (context.Host.DesignTimeMode)
     {
         return; // Don't generate anything!
     }
     context.FlushBufferedStatement();
     context.AddStatement(context.BuildCodeString(cw =>
     {
         cw.WriteEndMethodInvoke();
         cw.WriteEndStatement();
     }));
 }
        public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            string generatedCode = context.BuildCodeString(cw =>
            {
                cw.WriteStartLambdaExpression(ItemParameterName);
                cw.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
                cw.WriteStartLambdaDelegate(TemplateWriterName);
            });

            context.MarkEndOfGeneratedCode();
            context.BufferStatementFragment(generatedCode);
            context.FlushBufferedStatement();

            _oldTargetWriter = context.TargetWriterName;
            context.TargetWriterName = TemplateWriterName;
        }
        public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
        {
            if (context.Host.DesignTimeMode)
            {
                return; // Don't generate anything!
            }

            // What kind of block is nested within
            string generatedCode;
            Block child = target.Children.Where(n => n.IsBlock).Cast<Block>().FirstOrDefault();
            if (child != null && child.Type == BlockType.Expression)
            {
                _isExpression = true;
                generatedCode = context.BuildCodeString(cw =>
                {
                    cw.WriteParameterSeparator();
                    cw.WriteStartMethodInvoke("Tuple.Create");
                    cw.WriteLocationTaggedString(Prefix);
                    cw.WriteParameterSeparator();
                    cw.WriteStartMethodInvoke("Tuple.Create", "System.Object", "System.Int32");
                });

                _oldRenderingMode = context.ExpressionRenderingMode;
                context.ExpressionRenderingMode = ExpressionRenderingMode.InjectCode;
            }
            else
            {
                generatedCode = context.BuildCodeString(cw =>
                {
                    cw.WriteParameterSeparator();
                    cw.WriteStartMethodInvoke("Tuple.Create");
                    cw.WriteLocationTaggedString(Prefix);
                    cw.WriteParameterSeparator();
                    cw.WriteStartMethodInvoke("Tuple.Create", "System.Object", "System.Int32");
                    cw.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
                    cw.WriteStartLambdaDelegate(ValueWriterName);
                });
            }

            context.MarkEndOfGeneratedCode();
            context.BufferStatementFragment(generatedCode);

            _oldTargetWriter = context.TargetWriterName;
            context.TargetWriterName = ValueWriterName;
        }
        public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
        {
            if (context.Host.DesignTimeMode)
            {
                return; // Don't generate anything!
            }

            string generatedCode;
            if (_isExpression)
            {
                generatedCode = context.BuildCodeString(cw =>
                {
                    cw.WriteParameterSeparator();
                    cw.WriteSnippet(ValueStart.AbsoluteIndex.ToString(CultureInfo.CurrentCulture));
                    cw.WriteEndMethodInvoke();
                    cw.WriteParameterSeparator();
                    // literal: false - This attribute value is not a literal value, it is dynamically generated
                    cw.WriteBooleanLiteral(false);
                    cw.WriteEndMethodInvoke();
                    cw.WriteLineContinuation();
                });
                context.ExpressionRenderingMode = _oldRenderingMode;
            }
            else
            {
                generatedCode = context.BuildCodeString(cw =>
                {
                    cw.WriteEndLambdaDelegate();
                    cw.WriteEndConstructor();
                    cw.WriteParameterSeparator();
                    cw.WriteSnippet(ValueStart.AbsoluteIndex.ToString(CultureInfo.CurrentCulture));
                    cw.WriteEndMethodInvoke();
                    cw.WriteParameterSeparator();
                    // literal: false - This attribute value is not a literal value, it is dynamically generated
                    cw.WriteBooleanLiteral(false);
                    cw.WriteEndMethodInvoke();
                    cw.WriteLineContinuation();
                });
            }

            context.AddStatement(generatedCode);
            context.TargetWriterName = _oldTargetWriter;
        }
        public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
        {
            _statementCollectorToken.Dispose();
            if (HeaderComplete)
            {
                _writer.WriteEndLambdaDelegate();
                _writer.WriteEndConstructor();
                _writer.WriteEndStatement();
            }
            if (Footer != null && !String.IsNullOrEmpty(Footer.Value))
            {
                _writer.WriteLinePragma(
                    context.GenerateLinePragma(Footer.Location, 0, Footer.Value.Length));
                _writer.WriteSnippet(Footer);
                _writer.WriteLinePragma();
            }
            _writer.WriteHelperTrailer();

            context.GeneratedClass.Members.Add(new CodeSnippetTypeMember(_writer.Content));
            context.TargetWriterName = _oldWriter;
        }
        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();
        }
Exemplo n.º 20
0
        internal static bool TreesAreDifferent(Block leftTree, Block rightTree, IEnumerable<TextChange> changes, CancellationToken cancelToken)
        {
            // Apply all the pending changes to the original tree
            // PERF: If this becomes a bottleneck, we can probably do it the other way around,
            //  i.e. visit the tree and find applicable changes for each node.
            foreach (TextChange change in changes)
            {
                cancelToken.ThrowIfCancellationRequested();
                Span changeOwner = leftTree.LocateOwner(change);

                // Apply the change to the tree
                if (changeOwner == null)
                {
                    return true;
                }
                EditResult result = changeOwner.EditHandler.ApplyChange(changeOwner, change, force: true);
                changeOwner.ReplaceWith(result.EditedSpan);
            }

            // Now compare the trees
            bool treesDifferent = !leftTree.EquivalentTo(rightTree);
            return treesDifferent;
        }
        //public override void VisitBlock(Block block)
        //{
        //    BlockBuilder parent = null;
        //    if (_blocks.Count > 0)
        //    {
        //        parent = _blocks.Peek();
        //    }
        //    BlockBuilder newBlock = new BlockBuilder(block);
        //    newBlock.Children.Clear();
        //    _blocks.Push(newBlock);
        //    if (block.Type == BlockType.Expression && parent != null)
        //    {
        //        VisitExpressionBlock(block, parent);
        //    }
        //    else
        //    {
        //        base.VisitBlock(block);
        //    }
        //    if (_blocks.Count > 1)
        //    {
        //        parent.Children.Add(_blocks.Pop().Build());
        //    }
        //}

        //public override void VisitSpan(Span span)
        //{
        //    Debug.Assert(_blocks.Count > 0);
        //    _blocks.Peek().Children.Add(span);
        //}

        protected override SyntaxTreeNode RewriteBlock(BlockBuilder parent, Block block)
        {
            BlockBuilder newBlock = new BlockBuilder(block);
            newBlock.Children.Clear();
            Span ws = block.Children.FirstOrDefault() as Span;
            IEnumerable<SyntaxTreeNode> newNodes = block.Children;
            if (ws.Content.All(Char.IsWhiteSpace))
            {
                // Add this node to the parent
                SpanBuilder builder = new SpanBuilder(ws);
                builder.ClearSymbols();
                FillSpan(builder, ws.Start, ws.Content);
                parent.Children.Add(builder.Build());

                // Remove the old whitespace node
                newNodes = block.Children.Skip(1);
            }

            foreach (SyntaxTreeNode node in newNodes)
            {
                newBlock.Children.Add(node);
            }
            return newBlock.Build();
        }
 public virtual void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
 {
 }
Exemplo n.º 23
0
 protected ParserResults(bool success, Block document, IList<RazorError> errors)
 {
     Success = success;
     Document = document;
     ParserErrors = errors ?? new List<RazorError>();
 }
Exemplo n.º 24
0
 public ParserResults(Block document, IList<RazorError> parserErrors)
     : this(parserErrors == null || parserErrors.Count == 0, document, parserErrors)
 {
 }
 protected override bool CanRewrite(Block block)
 {
     return block.Type == BlockType.Expression && Parent != null;
 }
 public override void VisitEndBlock(Block block)
 {
     block.CodeGenerator.GenerateEndBlockCode(block, Context);
 }
Exemplo n.º 27
0
 protected virtual SyntaxTreeNode RewriteBlock(BlockBuilder parent, Block block)
 {
     throw new NotImplementedException();
 }
Exemplo n.º 28
0
 protected virtual bool CanRewrite(Block block)
 {
     return false;
 }
 public void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
 {
 }
Exemplo n.º 30
0
 public virtual Block Rewrite(Block input)
 {
     input.Accept(this);
     Debug.Assert(_blocks.Count == 1);
     return _blocks.Pop().Build();
 }