diff options
author | Lluis Sanchez Gual <lluis@xamarin.com> | 2015-04-20 19:07:51 +0300 |
---|---|---|
committer | Lluis Sanchez Gual <lluis@xamarin.com> | 2015-04-20 19:07:51 +0300 |
commit | 95408b1a41b31b645f3a8c3323ab7d3ca4bff26b (patch) | |
tree | f8f137cddcb9a40499d303be95722fd2c6081bce /main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs | |
parent | b70e4e04b4e41b8ec28d7e4b220b401ecf467e7a (diff) | |
parent | de043d330a8bf5855d4d983c804cd36727cb2406 (diff) |
Merge remote-tracking branch 'origin/roslyn' into new-project-model
Diffstat (limited to 'main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs')
-rw-r--r-- | main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs | 456 |
1 files changed, 78 insertions, 378 deletions
diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs index 498d98544f..037656f295 100644 --- a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs +++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Parser/TypeSystemProvider.cs @@ -25,375 +25,90 @@ // THE SOFTWARE. using System; using MonoDevelop.Ide.TypeSystem; -using ICSharpCode.NRefactory.CSharp; -using ICSharpCode.NRefactory.TypeSystem; using System.Collections.Generic; using MonoDevelop.Projects; using MonoDevelop.CSharp.Project; -using MonoDevelop.Ide.Tasks; using Mono.CSharp; using System.Linq; -using ICSharpCode.NRefactory; -using MonoDevelop.CSharp.Refactoring.CodeActions; using MonoDevelop.Core; -using ICSharpCode.NRefactory.CSharp.Resolver; +using MonoDevelop.Ide.Editor; +using Microsoft.CodeAnalysis.CSharp; +using Microsoft.CodeAnalysis.Text; +using Microsoft.CodeAnalysis; +using Microsoft.CodeAnalysis.CSharp.Syntax; +using MonoDevelop.Core.Text; +using System.Threading.Tasks; namespace MonoDevelop.CSharp.Parser { - public class TypeSystemParser : MonoDevelop.Ide.TypeSystem.TypeSystemParser + sealed class TypeSystemParser : MonoDevelop.Ide.TypeSystem.TypeSystemParser { - public override ParsedDocument Parse (bool storeAst, string fileName, System.IO.TextReader content, MonoDevelop.Projects.Project project = null) + static readonly List<Error> emptyList = new List<Error> (); + public override System.Threading.Tasks.Task<ParsedDocument> Parse (MonoDevelop.Ide.TypeSystem.ParseOptions options, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { - var parser = new ICSharpCode.NRefactory.CSharp.CSharpParser (GetCompilerArguments (project)); - parser.GenerateTypeSystemMode = !storeAst; - var result = new ParsedDocumentDecorator (); + var fileName = options.FileName; + var project = options.Project; + var result = new CSharpParsedDocument (fileName); if (project != null) { + var projectFile = project.Files.GetFile (fileName); if (projectFile != null && !TypeSystemParserNode.IsCompileBuildAction (projectFile.BuildAction)) result.Flags |= ParsedDocumentFlags.NonSerializable; } - var tagComments = CommentTag.SpecialCommentTags.Select (t => t.Tag).ToArray (); - - parser.CompilationUnitCallback = delegate (CompilerCompilationUnit top) { - foreach (var special in top.SpecialsBag.Specials) { - var comment = special as SpecialsBag.Comment; - if (comment != null) { - VisitComment (result, comment, tagComments); - } else { - if (storeAst) { - var ppd = special as SpecialsBag.PreProcessorDirective; - if (ppd != null) - VisitPreprocessorDirective (result, ppd); - } - } - } - }; - - var unit = parser.Parse (content, fileName); - unit.Freeze (); - var pf = unit.ToTypeSystem (); - try { - pf.LastWriteTime = System.IO.File.GetLastWriteTimeUtc (fileName); - } catch (Exception) { - pf.LastWriteTime = DateTime.UtcNow; - } - - result.LastWriteTimeUtc = pf.LastWriteTime.Value; - result.ParsedFile = pf; - result.Add (GetSemanticTags (unit)); - - result.CreateRefactoringContext = delegate (MonoDevelop.Ide.Gui.Document doc, System.Threading.CancellationToken token) { - var task = MDRefactoringContext.Create (doc, doc.Editor.Caret.Location, token); - try { - task.Wait (5000, token); - } catch (AggregateException ae) { - ae.Flatten ().Handle (aex => aex is OperationCanceledException); - return null; - } catch (OperationCanceledException) { - return null; - } - if (!task.IsCompleted) - return null; - return task.Result; - }; - result.CreateRefactoringContextWithEditor = (data, resolver, token) => new MDRefactoringContext ((DotNetProject)project, data, result, (CSharpAstResolver)resolver, TextLocation.Empty, token); + var compilerArguments = GetCompilerArguments (project); + SyntaxTree unit = null; - if (storeAst) { - result.Ast = unit; - result.Add (GenerateFoldings (unit, result)); - } - return result; - } - - IEnumerable<FoldingRegion> GenerateFoldings (SyntaxTree unit, ParsedDocument doc) - { - foreach (var fold in doc.ConditionalRegions.ToFolds ()) - yield return fold; - - foreach (var fold in doc.Comments.ToFolds ()) - yield return fold; - - var visitor = new FoldingVisitor (); - unit.AcceptVisitor (visitor, null); - foreach (var fold in visitor.Foldings) - yield return fold; - } - - class FoldingVisitor : DepthFirstAstVisitor<object, object> - { - public readonly List<FoldingRegion> Foldings = new List<FoldingRegion> (); - - void AddUsings (AstNode parent) - { - var firstChild = parent.Children.FirstOrDefault (child => child is UsingDeclaration || child is UsingAliasDeclaration); - var node = firstChild; - while (node != null) { - var next = node.GetNextNode (); - if (next is UsingDeclaration || next is UsingAliasDeclaration) { - node = next; - } else { - break; + if (project != null) { + var curDoc = options.RoslynDocument; + if (curDoc == null) { + var curProject = TypeSystemService.GetCodeAnalysisProject (project); + if (curProject != null) { + var documentId = TypeSystemService.GetDocumentId (project, fileName); + if (documentId != null) + curDoc = curProject.GetDocument (documentId); } } - if (firstChild != node) { - Foldings.Add (new FoldingRegion (new DomRegion (firstChild.StartLocation, node.EndLocation), FoldType.Undefined)); - } - } - public override object VisitSyntaxTree (SyntaxTree unit, object data) - { - AddUsings (unit); - return base.VisitSyntaxTree (unit, data); - } - - static TextLocation CorrectEnd (AstNode token) - { - return new TextLocation (token.EndLocation.Line, token.EndLocation.Column + 1); - } - - static bool LastToken(AstNode arg) - { - return !(arg.Role == Roles.NewLine || arg.Role == Roles.Whitespace || arg.Role == Roles.Comment); - } - - public override object VisitNamespaceDeclaration (NamespaceDeclaration namespaceDeclaration, object data) - { - AddUsings (namespaceDeclaration); - if (!namespaceDeclaration.RBraceToken.IsNull && namespaceDeclaration.LBraceToken.StartLocation.Line != namespaceDeclaration.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (namespaceDeclaration.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (namespaceDeclaration.RBraceToken)), FoldType.Undefined)); - return base.VisitNamespaceDeclaration (namespaceDeclaration, data); - } - - public override object VisitTypeDeclaration (TypeDeclaration typeDeclaration, object data) - { - if (!typeDeclaration.RBraceToken.IsNull && typeDeclaration.LBraceToken.StartLocation.Line != typeDeclaration.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (typeDeclaration.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (typeDeclaration.RBraceToken)), FoldType.Type)); - return base.VisitTypeDeclaration (typeDeclaration, data); - } - - public override object VisitMethodDeclaration (MethodDeclaration methodDeclaration, object data) - { - if (!methodDeclaration.Body.IsNull && methodDeclaration.Body.LBraceToken.StartLocation.Line != methodDeclaration.Body.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (methodDeclaration.Body.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (methodDeclaration.Body.RBraceToken)), FoldType.Member)); - return base.VisitMethodDeclaration (methodDeclaration, data); - } - - public override object VisitConstructorDeclaration (ConstructorDeclaration constructorDeclaration, object data) - { - if (!constructorDeclaration.Body.IsNull && constructorDeclaration.Body.LBraceToken.StartLocation.Line != constructorDeclaration.Body.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (constructorDeclaration.Body.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (constructorDeclaration.Body.RBraceToken)), FoldType.Member)); - return base.VisitConstructorDeclaration (constructorDeclaration, data); - } - - public override object VisitDestructorDeclaration (DestructorDeclaration destructorDeclaration, object data) - { - if (!destructorDeclaration.Body.IsNull && destructorDeclaration.Body.LBraceToken.StartLocation.Line != destructorDeclaration.Body.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (destructorDeclaration.Body.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (destructorDeclaration.Body.RBraceToken)), FoldType.Member)); - return base.VisitDestructorDeclaration (destructorDeclaration, data); - } - - public override object VisitOperatorDeclaration (OperatorDeclaration operatorDeclaration, object data) - { - if (!operatorDeclaration.Body.IsNull && operatorDeclaration.Body.LBraceToken.StartLocation.Line != operatorDeclaration.Body.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (operatorDeclaration.Body.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (operatorDeclaration.Body.RBraceToken)), FoldType.Member)); - return base.VisitOperatorDeclaration (operatorDeclaration, data); - } - - public override object VisitPropertyDeclaration (PropertyDeclaration propertyDeclaration, object data) - { - if (!propertyDeclaration.LBraceToken.IsNull && propertyDeclaration.LBraceToken.StartLocation.Line != propertyDeclaration.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (propertyDeclaration.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (propertyDeclaration.RBraceToken)), FoldType.Member)); - return base.VisitPropertyDeclaration (propertyDeclaration, data); - } - - public override object VisitIndexerDeclaration (IndexerDeclaration indexerDeclaration, object data) - { - if (!indexerDeclaration.LBraceToken.IsNull && indexerDeclaration.LBraceToken.StartLocation.Line != indexerDeclaration.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (indexerDeclaration.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (indexerDeclaration.RBraceToken)), FoldType.Member)); - return base.VisitIndexerDeclaration (indexerDeclaration, data); - } - - public override object VisitCustomEventDeclaration (CustomEventDeclaration eventDeclaration, object data) - { - if (!eventDeclaration.LBraceToken.IsNull && eventDeclaration.LBraceToken.StartLocation.Line != eventDeclaration.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (eventDeclaration.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (eventDeclaration.RBraceToken)), FoldType.Member)); - return base.VisitCustomEventDeclaration (eventDeclaration, data); - } - - public override object VisitSwitchStatement (SwitchStatement switchStatement, object data) - { - if (!switchStatement.RBraceToken.IsNull && switchStatement.LBraceToken.StartLocation.Line != switchStatement.RBraceToken.StartLocation.Line) - Foldings.Add (new FoldingRegion (new DomRegion (switchStatement.LBraceToken.GetPrevNode (LastToken).EndLocation, CorrectEnd (switchStatement.RBraceToken)), FoldType.Member)); - return base.VisitSwitchStatement (switchStatement, data); - } - - public override object VisitBlockStatement (BlockStatement blockStatement, object data) - { - if (!(blockStatement.Parent is EntityDeclaration) && blockStatement.EndLocation.Line - blockStatement.StartLocation.Line > 2) { - Foldings.Add (new FoldingRegion (new DomRegion (blockStatement.GetPrevNode (LastToken).EndLocation, CorrectEnd (blockStatement.RBraceToken)), FoldType.Undefined)); - } - - return base.VisitBlockStatement (blockStatement, data); - } - } - - static IEnumerable<Tag> GetSemanticTags (SyntaxTree unit) - { - var visitor = new SemanticTagVisitor (); - unit.AcceptVisitor (visitor); - foreach (var fold in visitor.Tags) - yield return fold; - } - - public class SemanticTagVisitor : DepthFirstAstVisitor - { - public List<Tag> Tags = new List<Tag> (); - - public override void VisitThrowStatement (ThrowStatement throwStatement) - { - var createExpression = throwStatement.Expression as ObjectCreateExpression; - if (createExpression == null) - return; - var st = createExpression.Type as SimpleType; - var mt = createExpression.Type as MemberType; - if (st != null && st.Identifier == "NotImplementedException" || - mt != null && mt.MemberName == "NotImplementedException" && mt.Target.ToString () == "System") { - - if (createExpression.Arguments.Any ()) { - Tags.Add (new Tag ("High", GettextCatalog.GetString ("NotImplementedException({0}) thrown.", createExpression.Arguments.First ().ToString ()), new DomRegion (throwStatement.StartLocation, throwStatement.EndLocation))); - } else { - Tags.Add (new Tag ("High", GettextCatalog.GetString ("NotImplementedException thrown."), new DomRegion (throwStatement.StartLocation, throwStatement.EndLocation))); + if (curDoc != null) { + try { + var model = curDoc.GetSemanticModelAsync (cancellationToken).Result; + unit = model.SyntaxTree; + result.Ast = model; + } catch (AggregateException ae) { + ae.Flatten ().Handle (x => x is OperationCanceledException); + return Task.FromResult ((ParsedDocument)result); + } catch (OperationCanceledException) { + return Task.FromResult ((ParsedDocument)result); + } catch (Exception e) { + LoggingService.LogError ("Error while getting the semantic model for " + fileName, e); } } } - } - void VisitMcsUnit () - { - } - - void VisitComment (ParsedDocument result, SpecialsBag.Comment comment, string[] tagComments) - { - var cmt = new MonoDevelop.Ide.TypeSystem.Comment (comment.Content); - cmt.CommentStartsLine = comment.StartsLine; - switch (comment.CommentType) { - case SpecialsBag.CommentType.Multi: - cmt.CommentType = MonoDevelop.Ide.TypeSystem.CommentType.Block; - cmt.OpenTag = "/*"; - cmt.ClosingTag = "*/"; - break; - case SpecialsBag.CommentType.Single: - cmt.CommentType = MonoDevelop.Ide.TypeSystem.CommentType.SingleLine; - cmt.OpenTag = "//"; - break; - case SpecialsBag.CommentType.Documentation: - cmt.CommentType = MonoDevelop.Ide.TypeSystem.CommentType.Documentation; - cmt.IsDocumentation = true; - cmt.OpenTag = "///"; - break; - } - cmt.Region = new DomRegion (comment.Line, comment.Col, comment.EndLine, comment.EndCol); - result.Comments.Add (cmt); - var trimmedContent = comment.Content.TrimStart (); - foreach (string tag in tagComments) { - if (!trimmedContent.StartsWith (tag)) - continue; - result.Add (new Tag (tag, comment.Content, cmt.Region)); - } - } - - Stack<SpecialsBag.PreProcessorDirective> regions = new Stack<SpecialsBag.PreProcessorDirective> (); - Stack<SpecialsBag.PreProcessorDirective> ifBlocks = new Stack<SpecialsBag.PreProcessorDirective> (); - List<SpecialsBag.PreProcessorDirective> elifBlocks = new List<SpecialsBag.PreProcessorDirective> (); - SpecialsBag.PreProcessorDirective elseBlock = null; - - Stack<ConditionalRegion> conditionalRegions = new Stack<ConditionalRegion> (); - ConditionalRegion ConditionalRegion { - get { - return conditionalRegions.Count > 0 ? conditionalRegions.Peek () : null; - } - } + if (unit == null) { + unit = CSharpSyntaxTree.ParseText (SourceText.From (options.Content.Text), compilerArguments, fileName); + } - void CloseConditionBlock (TextLocation loc) - { - if (ConditionalRegion == null || ConditionalRegion.ConditionBlocks.Count == 0 || !ConditionalRegion.ConditionBlocks[ConditionalRegion.ConditionBlocks.Count - 1].End.IsEmpty) - return; - ConditionalRegion.ConditionBlocks[ConditionalRegion.ConditionBlocks.Count - 1].End = loc; - } + result.Unit = unit; - void AddCurRegion (ParsedDocument result, int line, int col) - { - if (ConditionalRegion == null) - return; - ConditionalRegion.End = new TextLocation (line, col); - result.Add (ConditionalRegion); - conditionalRegions.Pop (); - } - - void VisitPreprocessorDirective (ParsedDocument result, SpecialsBag.PreProcessorDirective directive) - { - TextLocation loc = new TextLocation (directive.Line, directive.Col); - switch (directive.Cmd) { - case Tokenizer.PreprocessorDirective.If: - conditionalRegions.Push (new ConditionalRegion (directive.Arg)); - ifBlocks.Push (directive); - ConditionalRegion.Start = loc; - break; - case Tokenizer.PreprocessorDirective.Elif: - CloseConditionBlock (new TextLocation (directive.EndLine, directive.EndCol)); - if (ConditionalRegion != null) - ConditionalRegion.ConditionBlocks.Add (new ConditionBlock (directive.Arg, loc)); - break; - case Tokenizer.PreprocessorDirective.Else: - CloseConditionBlock (new TextLocation (directive.EndLine, directive.EndCol)); - if (ConditionalRegion != null) - ConditionalRegion.ElseBlock = new DomRegion (loc, TextLocation.Empty); - break; - case Tokenizer.PreprocessorDirective.Endif: - TextLocation endLoc = new TextLocation (directive.EndLine, directive.EndCol); - CloseConditionBlock (endLoc); - if (ConditionalRegion != null && !ConditionalRegion.ElseBlock.Begin.IsEmpty) - ConditionalRegion.ElseBlock = new DomRegion (ConditionalRegion.ElseBlock.Begin, endLoc); - AddCurRegion (result, directive.EndLine, directive.EndCol); - if (ifBlocks.Count > 0) { - var ifBlock = ifBlocks.Pop (); - var ifRegion = new DomRegion (ifBlock.Line, ifBlock.Col, directive.EndLine, directive.EndCol); - result.Add (new FoldingRegion ("#if " + ifBlock.Arg.Trim (), ifRegion, FoldType.UserRegion, false)); - foreach (var d in elifBlocks) { - var elIlfRegion = new DomRegion (d.Line, d.Col, directive.EndLine, directive.EndCol); - result.Add (new FoldingRegion ("#elif " + ifBlock.Arg.Trim (), elIlfRegion, FoldType.UserRegion, false)); - } - if (elseBlock != null) { - var elseBlockRegion = new DomRegion (elseBlock.Line, elseBlock.Col, elseBlock.Line, elseBlock.Col); - result.Add (new FoldingRegion ("#else", elseBlockRegion, FoldType.UserRegion, false)); - } - } - elseBlock = null; - break; - case Tokenizer.PreprocessorDirective.Define: - result.Add (new PreProcessorDefine (directive.Arg, loc)); - break; - case Tokenizer.PreprocessorDirective.Region: - regions.Push (directive); - break; - case Tokenizer.PreprocessorDirective.Endregion: - if (regions.Count > 0) { - var start = regions.Pop (); - DomRegion dr = new DomRegion (start.Line, start.Col, directive.EndLine, directive.EndCol); - result.Add (new FoldingRegion (start.Arg, dr, FoldType.UserRegion, true)); - } - break; + DateTime time; + try { + time = System.IO.File.GetLastWriteTimeUtc (fileName); + } catch (Exception) { + time = DateTime.UtcNow; } + result.LastWriteTimeUtc = time; + return Task.FromResult ((ParsedDocument)result); } - public static ICSharpCode.NRefactory.CSharp.CompilerSettings GetCompilerArguments (MonoDevelop.Projects.Project project) + public static CSharpParseOptions GetCompilerArguments (MonoDevelop.Projects.Project project) { - var compilerArguments = new ICSharpCode.NRefactory.CSharp.CompilerSettings (); + var compilerArguments = new CSharpParseOptions (); // compilerArguments.TabSize = 1; if (project == null || MonoDevelop.Ide.IdeApp.Workspace == null) { - compilerArguments.AllowUnsafeBlocks = true; + // compilerArguments.AllowUnsafeBlocks = true; return compilerArguments; } @@ -401,69 +116,54 @@ namespace MonoDevelop.CSharp.Parser if (configuration == null) return compilerArguments; - foreach (var sym in configuration.GetDefineSymbols ()) - compilerArguments.ConditionalSymbols.Add (sym); + compilerArguments = compilerArguments.WithPreprocessorSymbols (configuration.GetDefineSymbols ()); var par = configuration.CompilationParameters as CSharpCompilerParameters; if (par == null) return compilerArguments; - - compilerArguments.AllowUnsafeBlocks = par.UnsafeCode; - compilerArguments.LanguageVersion = ConvertLanguageVersion (par.LangVersion); - compilerArguments.CheckForOverflow = par.GenerateOverflowChecks; - compilerArguments.WarningLevel = par.WarningLevel; - compilerArguments.TreatWarningsAsErrors = par.TreatWarningsAsErrors; - if (!string.IsNullOrEmpty (par.NoWarnings)) { - foreach (var warning in par.NoWarnings.Split (';', ',', ' ', '\t')) { - int w; - try { - w = int.Parse (warning); - } catch (Exception) { - continue; - } - compilerArguments.DisabledWarnings.Add (w); - } - } + + + // compilerArguments.AllowUnsafeBlocks = par.UnsafeCode; + compilerArguments = compilerArguments.WithLanguageVersion (ConvertLanguageVersion (par.LangVersion)); +// compilerArguments.CheckForOverflow = par.GenerateOverflowChecks; + +// compilerArguments.WarningLevel = par.WarningLevel; +// compilerArguments.TreatWarningsAsErrors = par.TreatWarningsAsErrors; +// if (!string.IsNullOrEmpty (par.NoWarnings)) { +// foreach (var warning in par.NoWarnings.Split (';', ',', ' ', '\t')) { +// int w; +// try { +// w = int.Parse (warning); +// } catch (Exception) { +// continue; +// } +// compilerArguments.DisabledWarnings.Add (w); +// } +// } return compilerArguments; } - internal static Version ConvertLanguageVersion (LangVersion ver) + internal static Microsoft.CodeAnalysis.CSharp.LanguageVersion ConvertLanguageVersion (LangVersion ver) { switch (ver) { case LangVersion.ISO_1: - return new Version (1, 0, 0, 0); + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp1; case LangVersion.ISO_2: - return new Version (2, 0, 0, 0); + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp2; case LangVersion.Version3: - return new Version (3, 0, 0, 0); + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp3; case LangVersion.Version4: - return new Version (4, 0, 0, 0); + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp4; case LangVersion.Version5: - return new Version (5, 0, 0, 0); + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp5; case LangVersion.Version6: - return new Version (6, 0, 0, 0); + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp6; case LangVersion.Default: break; } - return new Version (6, 0, 0, 0);; + return Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp6; } } - - static class FoldingUtils - { - public static IEnumerable<FoldingRegion> ToFolds (this IEnumerable<ConditionalRegion> conditionalRegions) - { - foreach (ConditionalRegion region in conditionalRegions) { - yield return new FoldingRegion ("#if " + region.Flag, region.Region, FoldType.ConditionalDefine); - foreach (ConditionBlock block in region.ConditionBlocks) { - yield return new FoldingRegion ("#elif " + block.Flag, block.Region, - FoldType.ConditionalDefine); - } - if (!region.ElseBlock.IsEmpty) - yield return new FoldingRegion ("#else", region.ElseBlock, FoldType.ConditionalDefine); - } - } - } } |