static void CreateCSharpParsedDocument(RazorCSharpParserContext context)
{
if (context.Project == null)
{
return;
}
context.CSharpCode = CreateCodeFile(context);
context.ParsedSyntaxTree = CSharpSyntaxTree.ParseText(Microsoft.CodeAnalysis.Text.SourceText.From(context.CSharpCode));
var originalProject = TypeSystemService.GetCodeAnalysisProject(context.Project);
if (originalProject != null)
{
string fileName = context.FileName + ".g.cs";
var documentId = TypeSystemService.GetDocumentId(originalProject.Id, fileName);
if (documentId == null)
{
context.AnalysisDocument = originalProject.AddDocument(
fileName,
context.ParsedSyntaxTree?.GetRoot());
}
else
{
context.AnalysisDocument = TypeSystemService.GetCodeAnalysisDocument(documentId);
}
}
}
static IEnumerable <FoldingRegion> GetFoldingRegions(RazorCSharpParserContext context)
{
var foldingRegions = new List <FoldingRegion> ();
GetHtmlFoldingRegions(context, foldingRegions);
GetRazorFoldingRegions(context, foldingRegions);
return(foldingRegions);
}
static void GetHtmlFoldingRegions(RazorCSharpParserContext context, List <FoldingRegion> foldingRegions)
{
if (context.HtmlParsedDocument != null)
{
var d = new MonoDevelop.AspNet.WebForms.WebFormsParsedDocument(null, WebSubtype.Html, null, context.HtmlParsedDocument);
foldingRegions.AddRange(d.Foldings);
}
}
void EnsureParserInitializedFor(RazorCSharpParserContext context)
{
if (context.EditorParser != null)
{
return;
}
CreateParserFor(context);
}
static void ParseHtmlDocument(RazorCSharpParserContext context, List <Error> errors)
{
var sb = new StringBuilder();
var spanList = new List <Span> ();
context.Comments = new List <Comment> ();
Action <Span> action = (Span span) =>
{
if (span.Kind == SpanKind.Markup)
{
sb.Append(span.Content);
spanList.Add(span);
}
else
{
for (int i = 0; i < span.Content.Length; i++)
{
char ch = span.Content[i];
if (ch != '\r' && ch != '\n')
{
sb.Append(' ');
}
else
{
sb.Append(ch);
}
}
if (span.Kind == SpanKind.Comment)
{
var comment = new Comment(span.Content)
{
OpenTag = "@*",
ClosingTag = "*@",
CommentType = CommentType.Block,
};
comment.Region = new MonoDevelop.Ide.Editor.DocumentRegion(
context.Document.OffsetToLocation(span.Start.AbsoluteIndex - comment.OpenTag.Length),
context.Document.OffsetToLocation(span.Start.AbsoluteIndex + span.Length + comment.ClosingTag.Length));
context.Comments.Add(comment);
}
}
};
context.EditorParser.CurrentParseTree.Accept(new CallbackVisitor(action));
var parser = new MonoDevelop.Xml.Parser.XmlParser(new WebFormsRootState(), true);
try {
parser.Parse(new StringReader(sb.ToString()));
} catch (Exception ex) {
LoggingService.LogError("Unhandled error parsing html in Razor document '" + (context.FileName ?? "") + "'", ex);
}
context.HtmlParsedDocument = parser.Nodes.GetRoot();
errors.AddRange(parser.Errors);
}
System.Threading.Tasks.Task <ParsedDocument> Parse(RazorCSharpParserContext context, CancellationToken cancellationToken)
{
EnsureParserInitializedFor(context);
var errors = new List <Error> ();
using (var source = new SeekableTextReader(context.Content.CreateReader())) {
var textChange = CreateTextChange(context, source);
var parseResult = context.EditorParser.CheckForStructureChanges(textChange);
if (parseResult == PartialParseResult.Rejected)
{
context.RazorDocument.ParseComplete.WaitOne();
if (!context.CapturedArgs.GeneratorResults.Success)
{
GetRazorErrors(context, errors);
}
}
}
ParseHtmlDocument(context, errors);
CreateCSharpParsedDocument(context);
context.ClearLastTextChange();
RazorHostKind kind = RazorHostKind.WebPage;
if (context.EditorParser.Host is WebCodeRazorHost)
{
kind = RazorHostKind.WebCode;
}
else if (context.EditorParser.Host is MonoDevelop.AspNet.Razor.Generator.PreprocessedRazorHost)
{
kind = RazorHostKind.Template;
}
var model = context.AnalysisDocument.GetSemanticModelAsync(cancellationToken).Result;
var pageInfo = new RazorCSharpPageInfo()
{
HtmlRoot = context.HtmlParsedDocument,
GeneratorResults = context.CapturedArgs.GeneratorResults,
Spans = context.EditorParser.CurrentParseTree.Flatten(),
CSharpSyntaxTree = context.ParsedSyntaxTree,
ParsedDocument = new DefaultParsedDocument("generated.cs")
{
Ast = model
},
AnalysisDocument = context.AnalysisDocument,
CSharpCode = context.CSharpCode,
Errors = errors,
FoldingRegions = GetFoldingRegions(context),
Comments = context.Comments,
HostKind = kind,
};
return(System.Threading.Tasks.Task.FromResult((ParsedDocument) new RazorCSharpParsedDocument(context.FileName, pageInfo)));
}
void CreateParserFor(RazorCSharpParserContext context)
{
context.EditorParser = new MonoDevelop.Web.Razor.EditorParserFixed.RazorEditorParser(CreateRazorHost(context), context.FileName);
context.RazorDocument.ParseComplete = new AutoResetEvent(false);
context.EditorParser.DocumentParseComplete += (sender, args) =>
{
context.RazorDocument.CapturedArgs = args;
context.RazorDocument.ParseComplete.Set();
};
}
static void GetRazorErrors(RazorCSharpParserContext context, List <Error> errors)
{
foreach (var error in context.CapturedArgs.GeneratorResults.ParserErrors)
{
int off = error.Location.AbsoluteIndex;
if (error.Location.CharacterIndex > 0 && error.Length == 1)
{
off--;
}
errors.Add(new Error(ErrorType.Error, error.Message, context.Document.OffsetToLocation(off)));
}
}
public override System.Threading.Tasks.Task<ParsedDocument> Parse (MonoDevelop.Ide.TypeSystem.ParseOptions parseOptions, CancellationToken cancellationToken)
{
OpenRazorDocument currentDocument = GetDocument (parseOptions.FileName);
if (currentDocument == null)
return System.Threading.Tasks.Task.FromResult ((ParsedDocument)new RazorCSharpParsedDocument (parseOptions.FileName, new RazorCSharpPageInfo ()));
var context = new RazorCSharpParserContext (parseOptions, currentDocument);
lock (currentDocument) {
return Parse (context, cancellationToken);
}
}
public override System.Threading.Tasks.Task <ParsedDocument> Parse(MonoDevelop.Ide.TypeSystem.ParseOptions parseOptions, CancellationToken cancellationToken)
{
OpenRazorDocument currentDocument = GetDocument(parseOptions.FileName);
if (currentDocument == null)
{
return(System.Threading.Tasks.Task.FromResult((ParsedDocument) new RazorCSharpParsedDocument(parseOptions.FileName, new RazorCSharpPageInfo())));
}
var context = new RazorCSharpParserContext(parseOptions, currentDocument);
lock (currentDocument) {
return(Parse(context, cancellationToken));
}
}
static TextChange CreateTextChange(RazorCSharpParserContext context, SeekableTextReader source)
{
ChangeInfo lastChange = context.GetLastTextChange();
if (lastChange == null)
{
return(new TextChange(0, 0, new SeekableTextReader(String.Empty), 0, source.Length, source));
}
if (lastChange.DeleteChange)
{
return(new TextChange(lastChange.StartOffset, lastChange.AbsoluteLength, lastChange.Buffer,
lastChange.StartOffset, 0, source));
}
return(new TextChange(lastChange.StartOffset, 0, lastChange.Buffer, lastChange.StartOffset,
lastChange.AbsoluteLength, source));
}
static void GetRazorFoldingRegions(RazorCSharpParserContext context, List <FoldingRegion> foldingRegions)
{
var blocks = new List <Block> ();
GetBlocks(context.EditorParser.CurrentParseTree, blocks);
foreach (var block in blocks)
{
var beginLine = context.Document.GetLineByOffset(block.Start.AbsoluteIndex);
var endLine = context.Document.GetLineByOffset(block.Start.AbsoluteIndex + block.Length);
if (beginLine != endLine)
{
foldingRegions.Add(new FoldingRegion(RazorUtils.GetShortName(block),
new DocumentRegion(context.Document.OffsetToLocation(block.Start.AbsoluteIndex),
context.Document.OffsetToLocation(block.Start.AbsoluteIndex + block.Length))));
}
}
}
static string CreateCodeFile(RazorCSharpParserContext context)
{
var unit = context.CapturedArgs.GeneratorResults.GeneratedCode;
System.CodeDom.Compiler.CodeDomProvider provider = context.Project != null
? context.Project.LanguageBinding.GetCodeDomProvider()
: new Microsoft.CSharp.CSharpCodeProvider();
using (var sw = new StringWriter()) {
provider.GenerateCodeFromCompileUnit(unit, sw, new System.CodeDom.Compiler.CodeGeneratorOptions()
{
// HACK: we use true, even though razor uses false, to work around a mono bug where it omits the
// line ending after "#line hidden", resulting in the unparseable "#line hiddenpublic"
BlankLinesBetweenMembers = true,
// matches Razor built-in settings
IndentString = String.Empty,
});
return(sw.ToString());
}
}
System.Threading.Tasks.Task<ParsedDocument> Parse (RazorCSharpParserContext context, CancellationToken cancellationToken)
{
EnsureParserInitializedFor (context);
var errors = new List<Error> ();
using (var source = new SeekableTextReader (context.Content.CreateReader ())) {
var textChange = CreateTextChange (context, source);
var parseResult = context.EditorParser.CheckForStructureChanges (textChange);
if (parseResult == PartialParseResult.Rejected) {
context.RazorDocument.ParseComplete.WaitOne ();
if (!context.CapturedArgs.GeneratorResults.Success)
GetRazorErrors (context, errors);
}
}
ParseHtmlDocument (context, errors);
CreateCSharpParsedDocument (context);
context.ClearLastTextChange ();
RazorHostKind kind = RazorHostKind.WebPage;
if (context.EditorParser.Host is WebCodeRazorHost) {
kind = RazorHostKind.WebCode;
} else if (context.EditorParser.Host is MonoDevelop.AspNet.Razor.Generator.PreprocessedRazorHost) {
kind = RazorHostKind.Template;
}
var model = context.AnalysisDocument.GetSemanticModelAsync (cancellationToken).Result;
var pageInfo = new RazorCSharpPageInfo () {
HtmlRoot = context.HtmlParsedDocument,
GeneratorResults = context.CapturedArgs.GeneratorResults,
Spans = context.EditorParser.CurrentParseTree.Flatten (),
CSharpSyntaxTree = context.ParsedSyntaxTree,
ParsedDocument = new DefaultParsedDocument ("generated.cs") { Ast = model },
AnalysisDocument = context.AnalysisDocument,
CSharpCode = context.CSharpCode,
Errors = errors,
FoldingRegions = GetFoldingRegions (context),
Comments = context.Comments,
HostKind = kind,
};
return System.Threading.Tasks.Task.FromResult((ParsedDocument)new RazorCSharpParsedDocument (context.FileName, pageInfo));
}
void CreateParserFor (RazorCSharpParserContext context)
{
context.EditorParser = new MonoDevelop.Web.Razor.EditorParserFixed.RazorEditorParser (CreateRazorHost (context), context.FileName);
context.RazorDocument.ParseComplete = new AutoResetEvent (false);
context.EditorParser.DocumentParseComplete += (sender, args) =>
{
context.RazorDocument.CapturedArgs = args;
context.RazorDocument.ParseComplete.Set ();
};
}
static RazorEngineHost CreateRazorHost (RazorCSharpParserContext context)
{
if (context.Project != null) {
var projectFile = context.Project.GetProjectFile (context.FileName);
if (projectFile != null && projectFile.Generator == "RazorTemplatePreprocessor") {
return new MonoDevelop.AspNet.Razor.Generator.PreprocessedRazorHost (context.FileName) {
DesignTimeMode = true,
EnableLinePragmas = false,
};
}
}
string virtualPath = "~/Views/Default.cshtml";
if (context.AspProject != null)
virtualPath = context.AspProject.LocalToVirtualPath (context.FileName);
WebPageRazorHost host = null;
// Try to create host using web.config file
var webConfigMap = new WebConfigurationFileMap ();
if (context.AspProject != null) {
var vdm = new VirtualDirectoryMapping (context.AspProject.Project.BaseDirectory.Combine ("Views"), true, "web.config");
webConfigMap.VirtualDirectories.Add ("/", vdm);
}
Configuration configuration;
try {
configuration = WebConfigurationManager.OpenMappedWebConfiguration (webConfigMap, "/");
} catch {
configuration = null;
}
if (configuration != null) {
//TODO: use our assemblies, not the project's
var rws = configuration.GetSectionGroup (RazorWebSectionGroup.GroupName) as RazorWebSectionGroup;
if (rws != null) {
host = WebRazorHostFactory.CreateHostFromConfig (rws, virtualPath, context.FileName);
host.DesignTimeMode = true;
}
}
if (host == null) {
host = new MvcWebPageRazorHost (virtualPath, context.FileName) { DesignTimeMode = true };
// Add default namespaces from Razor section
host.NamespaceImports.Add ("System.Web.Mvc");
host.NamespaceImports.Add ("System.Web.Mvc.Ajax");
host.NamespaceImports.Add ("System.Web.Mvc.Html");
host.NamespaceImports.Add ("System.Web.Routing");
}
return host;
}
static TextChange CreateTextChange (RazorCSharpParserContext context, SeekableTextReader source)
{
ChangeInfo lastChange = context.GetLastTextChange ();
if (lastChange == null)
return new TextChange (0, 0, new SeekableTextReader (String.Empty), 0, source.Length, source);
if (lastChange.DeleteChange)
return new TextChange (lastChange.StartOffset, lastChange.AbsoluteLength, lastChange.Buffer,
lastChange.StartOffset, 0, source);
return new TextChange (lastChange.StartOffset, 0, lastChange.Buffer, lastChange.StartOffset,
lastChange.AbsoluteLength, source);
}
static void GetRazorErrors (RazorCSharpParserContext context, List<Error> errors)
{
foreach (var error in context.CapturedArgs.GeneratorResults.ParserErrors) {
int off = error.Location.AbsoluteIndex;
if (error.Location.CharacterIndex > 0 && error.Length == 1)
off--;
errors.Add (new Error (ErrorType.Error, error.Message, context.Document.OffsetToLocation (off)));
}
}
static void ParseHtmlDocument (RazorCSharpParserContext context, List<Error> errors)
{
var sb = new StringBuilder ();
var spanList = new List<Span> ();
context.Comments = new List<Comment> ();
Action<Span> action = (Span span) =>
{
if (span.Kind == SpanKind.Markup) {
sb.Append (span.Content);
spanList.Add (span);
} else {
for (int i = 0; i < span.Content.Length; i++) {
char ch = span.Content[i];
if (ch != '\r' && ch != '\n')
sb.Append (' ');
else
sb.Append (ch);
}
if (span.Kind == SpanKind.Comment) {
var comment = new Comment (span.Content)
{
OpenTag = "@*",
ClosingTag = "*@",
CommentType = CommentType.Block,
};
comment.Region = new MonoDevelop.Ide.Editor.DocumentRegion (
context.Document.OffsetToLocation (span.Start.AbsoluteIndex - comment.OpenTag.Length),
context.Document.OffsetToLocation (span.Start.AbsoluteIndex + span.Length + comment.ClosingTag.Length));
context.Comments.Add (comment);
}
}
};
context.EditorParser.CurrentParseTree.Accept (new CallbackVisitor (action));
var parser = new MonoDevelop.Xml.Parser.XmlParser (new WebFormsRootState (), true);
try {
parser.Parse (new StringReader (sb.ToString ()));
} catch (Exception ex) {
LoggingService.LogError ("Unhandled error parsing html in Razor document '" + (context.FileName ?? "") + "'", ex);
}
context.HtmlParsedDocument = parser.Nodes.GetRoot ();
errors.AddRange (parser.Errors);
}
static IEnumerable<FoldingRegion> GetFoldingRegions (RazorCSharpParserContext context)
{
var foldingRegions = new List<FoldingRegion> ();
GetHtmlFoldingRegions (context, foldingRegions);
GetRazorFoldingRegions (context, foldingRegions);
return foldingRegions;
}
static RazorEngineHost CreateRazorHost(RazorCSharpParserContext context)
{
if (context.Project != null)
{
var projectFile = context.Project.GetProjectFile(context.FileName);
if (projectFile != null && projectFile.Generator == "RazorTemplatePreprocessor")
{
return(new MonoDevelop.AspNet.Razor.Generator.PreprocessedRazorHost(context.FileName)
{
DesignTimeMode = true,
EnableLinePragmas = false,
});
}
}
string virtualPath = "~/Views/Default.cshtml";
if (context.AspProject != null)
{
virtualPath = context.AspProject.LocalToVirtualPath(context.FileName);
}
WebPageRazorHost host = null;
// Try to create host using web.config file
var webConfigMap = new WebConfigurationFileMap();
if (context.AspProject != null)
{
var vdm = new VirtualDirectoryMapping(context.AspProject.Project.BaseDirectory.Combine("Views"), true, "web.config");
webConfigMap.VirtualDirectories.Add("/", vdm);
}
Configuration configuration;
try {
configuration = WebConfigurationManager.OpenMappedWebConfiguration(webConfigMap, "/");
} catch {
configuration = null;
}
if (configuration != null)
{
//TODO: use our assemblies, not the project's
var rws = configuration.GetSectionGroup(RazorWebSectionGroup.GroupName) as RazorWebSectionGroup;
if (rws != null)
{
host = WebRazorHostFactory.CreateHostFromConfig(rws, virtualPath, context.FileName);
host.DesignTimeMode = true;
}
}
if (host == null)
{
host = new MvcWebPageRazorHost(virtualPath, context.FileName)
{
DesignTimeMode = true
};
// Add default namespaces from Razor section
host.NamespaceImports.Add("System.Web.Mvc");
host.NamespaceImports.Add("System.Web.Mvc.Ajax");
host.NamespaceImports.Add("System.Web.Mvc.Html");
host.NamespaceImports.Add("System.Web.Routing");
}
return(host);
}
static void GetHtmlFoldingRegions (RazorCSharpParserContext context, List<FoldingRegion> foldingRegions)
{
if (context.HtmlParsedDocument != null) {
var d = new MonoDevelop.AspNet.WebForms.WebFormsParsedDocument (null, WebSubtype.Html, null, context.HtmlParsedDocument);
foldingRegions.AddRange (d.Foldings);
}
}
void EnsureParserInitializedFor (RazorCSharpParserContext context)
{
if (context.EditorParser != null)
return;
CreateParserFor (context);
}
static void GetRazorFoldingRegions (RazorCSharpParserContext context, List<FoldingRegion> foldingRegions)
{
var blocks = new List<Block> ();
GetBlocks (context.EditorParser.CurrentParseTree, blocks);
foreach (var block in blocks) {
var beginLine = context.Document.GetLineByOffset (block.Start.AbsoluteIndex);
var endLine = context.Document.GetLineByOffset (block.Start.AbsoluteIndex + block.Length);
if (beginLine != endLine)
foldingRegions.Add (new FoldingRegion (RazorUtils.GetShortName (block),
new DocumentRegion (context.Document.OffsetToLocation (block.Start.AbsoluteIndex),
context.Document.OffsetToLocation (block.Start.AbsoluteIndex + block.Length))));
}
}
static string CreateCodeFile (RazorCSharpParserContext context)
{
var unit = context.CapturedArgs.GeneratorResults.GeneratedCode;
System.CodeDom.Compiler.CodeDomProvider provider = context.Project != null
? context.Project.LanguageBinding.GetCodeDomProvider ()
: new Microsoft.CSharp.CSharpCodeProvider ();
using (var sw = new StringWriter ()) {
provider.GenerateCodeFromCompileUnit (unit, sw, new System.CodeDom.Compiler.CodeGeneratorOptions () {
// HACK: we use true, even though razor uses false, to work around a mono bug where it omits the
// line ending after "#line hidden", resulting in the unparseable "#line hiddenpublic"
BlankLinesBetweenMembers = true,
// matches Razor built-in settings
IndentString = String.Empty,
});
return sw.ToString ();
}
}
static void CreateCSharpParsedDocument (RazorCSharpParserContext context)
{
if (context.Project == null)
return;
context.CSharpCode = CreateCodeFile (context);
context.ParsedSyntaxTree = CSharpSyntaxTree.ParseText (Microsoft.CodeAnalysis.Text.SourceText.From (context.CSharpCode));
var originalProject = TypeSystemService.GetCodeAnalysisProject (context.Project);
if (originalProject != null) {
string fileName = context.FileName + ".g.cs";
var documentId = TypeSystemService.GetDocumentId (originalProject.Id, fileName);
if (documentId == null) {
context.AnalysisDocument = originalProject.AddDocument (
fileName,
context.ParsedSyntaxTree?.GetRoot ());
} else {
context.AnalysisDocument = TypeSystemService.GetCodeAnalysisDocument (documentId);
}
}
}
