public virtual void Dispose()

in vsintegration/src/FSharp.LanguageService.Base/Source.cs [277:381]

• 90 lines of code
• 9 McCabe index (conditional complexity)

        public virtual void Dispose()
        {
#if LANGTRACE
            Trace.WriteLine("Source::Cleanup");
#endif
            this.disposed = true;
            try
            {
                if (this.textLinesEvents != null)
                {
                    this.textLinesEvents.Dispose();
                    this.textLinesEvents = null;
                }
            }
            finally
            {
                try
                {
                    if (this.userDataEvents != null)
                    {
                        this.userDataEvents.Dispose();
                        this.userDataEvents = null;
                    }
                }
                finally
                {
                    try
                    {
                        if (this.hiddenTextSession != null)
                        {
                            // We can't throw or exit here because we need to call Dispose on the
                            // other members that need to be disposed.
                            this.hiddenTextSession.UnadviseClient();
                            // This is causing a debug assert in service\env\msenv\textmgr\vrlist.cpp
                            // at line 1997 in CVisibleRegionList::Terminate
                            //this.hiddenTextSession.Terminate();
                            this.hiddenTextSession = null;
                        }
                    }
                    finally
                    {
                        try
                        {
                            if (this.methodData != null)
                            {
                                this.methodData.Dispose();
                                this.methodData = null;
                            }
                        }
                        finally
                        {
                            try
                            {
                                if (this.completionSet != null)
                                {
                                    this.completionSet.Dispose();
                                    this.completionSet = null;
                                }
                            }
                            finally
                            {
                                    try
                                    {
                                        this.service = null;
                                        if (this.colorizer != null)
                                        {
                                            // The colorizer is owned by the core text editor, so we don't close it, the core text editor
                                            // does that for us when it is ready to do so.
                                            //colorizer.CloseColorizer();
                                            this.colorizer = null;
                                        }
                                    }
                                    finally
                                    {
                                        this.colorState = null;
                                        try
                                        {
                                            if (this.expansionProvider != null)
                                            {
                                                this.expansionProvider.Dispose();
                                                this.expansionProvider = null;
                                            }

                                        }
                                        finally
                                        {
                                            // Sometimes OnCloseSource is called when language service is changed, (for example
                                            // when you save the file with a different file extension) in which case we cannot 
                                            // null out the site because that will cause a crash inside msenv.dll.
                                            //            if (this.textLines != null) {
                                            //                ((IObjectWithSite)this.textLines).SetSite(null);
                                            //            }
                                            if (this.textLines != null)
                                            {
                                                this.textLines = null;
                                                Marshal.Release(pUnkTextLines);
                                            }
                                        }
                                    }
                            }
                        }
                    }
                }
            }
        }