Пример #1
0
        public int OnAfterOpenSolution(object aPUnkReserved, int aFNewSolution)
        {
            Workspaces.Loader.LoadAsync().Wait();
            var to_do = LanguageServer.Module.Compile();

            foreach (var t in to_do)
            {
                var         w    = t.FullFileName;
                IVsTextView vstv = IVsTextViewExtensions.FindTextViewFor(w);
                if (vstv == null)
                {
                    continue;
                }
                IWpfTextView wpftv = vstv.GetIWpfTextView();
                if (wpftv == null)
                {
                    continue;
                }
                var buffer = wpftv.TextBuffer;
                var att    = buffer.Properties.GetOrCreateSingletonProperty(() => new AntlrVSIX.AggregateTagger.AntlrClassifier(buffer));
                att.Raise();
            }
            return(VSConstants.S_OK);
        }
Пример #2
0
        private void MenuItemCallback(object sender, EventArgs e, bool forward)
        {
            try
            {
                ////////////////////////
                /// Next rule.
                ////////////////////////

                string       classification = AntlrLanguagePackage.Instance.Classification;
                SnapshotSpan span           = AntlrLanguagePackage.Instance.Span;
                ITextView    view           = AntlrLanguagePackage.Instance.View;

                view = AntlrLanguagePackage.Instance.GetActiveView();
                if (view == null)
                {
                    return;
                }

                ITextCaret    car = view.Caret;
                CaretPosition cp  = car.Position;
                SnapshotPoint bp  = cp.BufferPosition;
                int           pos = bp.Position;

                // First, find out what this view is, and what the file is.
                ITextBuffer buffer = view.TextBuffer;
                string      path   = buffer.GetFFN().Result;
                if (path == null)
                {
                    return;
                }

                List <IToken> where = new List <IToken>();
                List <ParserDetails> where_details = new List <ParserDetails>();
                int next_sym = forward ? Int32.MaxValue : -1;
                foreach (var kvp in ParserDetailsFactory.AllParserDetails)
                {
                    string file_name = kvp.Key;
                    if (file_name != path)
                    {
                        continue;
                    }
                    ParserDetails details = kvp.Value;
                    foreach (var p in details.Defs)
                    {
                        if (p.Value != 0)
                        {
                            continue;
                        }
                        var t = p.Key;
                        if (forward)
                        {
                            if (t.Symbol.StartIndex > pos && t.Symbol.StartIndex < next_sym)
                            {
                                next_sym = t.Symbol.StartIndex;
                            }
                        }
                        else
                        {
                            if (t.Symbol.StartIndex < pos && t.Symbol.StartIndex > next_sym)
                            {
                                next_sym = t.Symbol.StartIndex;
                            }
                        }
                    }

                    foreach (var p in details.Defs)
                    {
                        if (p.Value != 1)
                        {
                            continue;
                        }
                        var t = p.Key;
                        if (forward)
                        {
                            if (t.Symbol.StartIndex > pos && t.Symbol.StartIndex < next_sym)
                            {
                                next_sym = t.Symbol.StartIndex;
                            }
                        }
                        else
                        {
                            if (t.Symbol.StartIndex < pos && t.Symbol.StartIndex > next_sym)
                            {
                                next_sym = t.Symbol.StartIndex;
                            }
                        }
                    }

                    break;
                }

                if (next_sym == Int32.MaxValue || next_sym < 0)
                {
                    return;
                }

                string      full_file_name = path;
                IVsTextView vstv           = IVsTextViewExtensions.FindTextViewFor(full_file_name);
                if (vstv == null)
                {
                    IVsTextViewExtensions.ShowFrame(full_file_name);
                    vstv = IVsTextViewExtensions.FindTextViewFor(full_file_name);
                }

                IWpfTextView wpftv = vstv.GetIWpfTextView();
                if (wpftv == null)
                {
                    return;
                }

                int line_number;
                int colum_number;
                vstv.GetLineAndColumn(next_sym, out line_number, out colum_number);

                // Create new span in the appropriate view.
                ITextSnapshot cc = wpftv.TextBuffer.CurrentSnapshot;
                SnapshotSpan  ss = new SnapshotSpan(cc, next_sym, 1);
                SnapshotPoint sp = ss.Start;
                // Put cursor on symbol.
                wpftv.Caret.MoveTo(sp); // This sets cursor, bot does not center.
                                        // Center on cursor.
                if (line_number > 0)
                {
                    vstv.CenterLines(line_number - 1, 2);
                }
                else
                {
                    vstv.CenterLines(line_number, 1);
                }
                AntlrVSIX.Package.Menus.ResetMenus();
            }
            catch (Exception exception)
            {
                Logger.Log.Notify(exception.StackTrace);
            }
        }
Пример #3
0
        private void MenuItemCallback(object sender, EventArgs e)
        {
            try
            {
                ////////////////////////
                // Go to definition....
                ////////////////////////

                SnapshotSpan span      = AntlrLanguagePackage.Instance.Span;
                ITextView    view      = AntlrLanguagePackage.Instance.View;
                ITextBuffer  buffer    = view.TextBuffer;
                var          file_name = buffer.GetFFN().Result;
                if (file_name == null)
                {
                    return;
                }
                var document      = Workspaces.Workspace.Instance.FindDocument(file_name);
                var ref_pd        = ParserDetailsFactory.Create(document);
                var list_location = LanguageServer.Module.FindDef(span.Start.Position, document);
                if (list_location == null || !list_location.Any())
                {
                    return;
                }
                var location = list_location.First();
                var sym      = LanguageServer.Module.GetDocumentSymbol(location.Range.Start.Value, location.Uri);
                if (sym == null)
                {
                    return;
                }
                string      full_file_name = location.Uri.FullPath;
                IVsTextView vstv           = IVsTextViewExtensions.FindTextViewFor(full_file_name);
                {
                    IVsTextViewExtensions.ShowFrame(full_file_name);
                    vstv = IVsTextViewExtensions.FindTextViewFor(full_file_name);
                }
                if (vstv == null)
                {
                    return;
                }
                IWpfTextView wpftv = vstv.GetIWpfTextView();
                if (wpftv == null)
                {
                    return;
                }
                vstv.GetLineAndColumn(sym.range.Start.Value, out int line_number, out int column_number);
                ITextSnapshot cc = wpftv.TextBuffer.CurrentSnapshot;
                SnapshotSpan  ss = new SnapshotSpan(cc, sym.range.Start.Value, 1);
                SnapshotPoint sp = ss.Start;
                wpftv.Caret.MoveTo(sp);
                if (line_number > 0)
                {
                    vstv.CenterLines(line_number - 1, 2);
                }
                else
                {
                    vstv.CenterLines(line_number, 1);
                }
                AntlrVSIX.Package.Menus.ResetMenus();
            }
            catch (Exception exception)
            {
                Logger.Log.Notify(exception.StackTrace);
            }
        }
Пример #4
0
        private void MenuItemCallback(object sender, EventArgs e, bool visitor)
        {
            try
            {
                // Return if I can't determine what application this is.
                DTE application = Workspaces.Help.GetApplication();
                if (application == null)
                {
                    return;
                }

                // Get active view and determine if it's a grammar file.
                var grammar_view = AntlrLanguagePackage.Instance.GetActiveView();
                if (grammar_view == null)
                {
                    return;
                }
                ITextCaret    car          = grammar_view.Caret;
                CaretPosition cp           = car.Position;
                SnapshotPoint bp           = cp.BufferPosition;
                int           pos          = bp.Position;
                ITextBuffer   buffer       = grammar_view.TextBuffer;
                var           g4_file_path = buffer.GetFFN().Result;
                if (g4_file_path == null)
                {
                    return;
                }
                IGrammarDescription grammar_description = LanguageServer.GrammarDescriptionFactory.Create(g4_file_path);
                if (!grammar_description.IsFileType(g4_file_path))
                {
                    return;
                }

                // Get name of base class for listener and visitor. These are generated by Antlr,
                // constructed from the name of the file.
                var grammar_name = Path.GetFileName(g4_file_path);
                grammar_name = Path.GetFileNameWithoutExtension(grammar_name);
                var listener_baseclass_name = visitor ? (grammar_name + "BaseVisitor") : (grammar_name + "BaseListener");
                var listener_class_name     = visitor ? ("My" + grammar_name + "Visitor") : ("My" + grammar_name + "Listener");

                // In the current view, find the details of the Antlr symbol at the cursor.
                TextExtent extent = AntlrVSIX.Package.AntlrLanguagePackage.Instance.Navigator[grammar_view]
                                    .GetExtentOfWord(bp);
                SnapshotSpan span = extent.Span;
                AntlrLanguagePackage.Instance.Span = span;

                //  Now, check for valid classification type.
                var  cla             = -1;
                bool can_gotovisitor = AntlrVSIX.Package.AntlrLanguagePackage.Instance.Aggregator[grammar_view].GetClassificationSpans(span).Where(
                    classification =>
                {
                    var name = classification.ClassificationType.Classification;
                    if (!grammar_description.InverseMap.TryGetValue(name, out int c))
                    {
                        return(false);
                    }
                    cla = c;
                    return(grammar_description.CanGotovisitor[cla]);
                }).Any();
                if (!can_gotovisitor)
                {
                    return;
                }

                // Find defining occurrence.
                List <Antlr4.Runtime.Tree.TerminalNodeImpl> where = new List <Antlr4.Runtime.Tree.TerminalNodeImpl>();
                List <ParserDetails> where_details         = new List <ParserDetails>();
                Antlr4.Runtime.Tree.TerminalNodeImpl token = null;
                foreach (var kvp in ParserDetailsFactory.AllParserDetails)
                {
                    string        file_name = kvp.Key;
                    ParserDetails details   = kvp.Value;
                    {
                        var it = details.Defs.Where(
                            (t) => t.Value == cla && t.Key.Symbol.Text == span.GetText()).Select(t => t.Key);
                        where.AddRange(it);
                        foreach (var i in it)
                        {
                            where_details.Add(details);
                        }
                    }
                }

                if (where.Any())
                {
                    token = where.First();
                }
                else
                {
                    System.Windows.Forms.MessageBox.Show(
                        "Symbol '" + span.GetText() + "' definer not found.");
                    return;
                }

                // Get the symbol name as a string.
                var symbol_name             = token.Symbol.Text;
                var capitalized_symbol_name = Capitalized(symbol_name);

                // Parse all the C# files in the solution.
                Dictionary <string, SyntaxTree> trees = new Dictionary <string, SyntaxTree>();
                foreach (var item in DteExtensions.SolutionFiles(application))
                {
                    string file_name = item.Name;
                    if (file_name != null)
                    {
                        string prefix = file_name.TrimSuffix(".cs");
                        if (prefix == file_name)
                        {
                            continue;
                        }
                        try
                        {
                            object       prop = item.Properties.Item("FullPath").Value;
                            string       ffn  = (string)prop;
                            StreamReader sr   = new StreamReader(ffn);
                            string       code = sr.ReadToEnd();
                            SyntaxTree   tree = CSharpSyntaxTree.ParseText(code);
                            trees[ffn] = tree;
                        }
                        catch (Exception)
                        {
                        }
                    }
                }

                // Find all occurrences of visitor class.
                List <ClassDeclarationSyntax> found_class = new List <ClassDeclarationSyntax>();
                string class_file_path = null;
                try
                {
                    foreach (var kvp in trees)
                    {
                        var file_name = kvp.Key;
                        var tree      = kvp.Value;

                        // Look for IParseTreeListener or IParseTreeVisitor classes.
                        var root = (CompilationUnitSyntax)tree.GetRoot();
                        if (root == null)
                        {
                            continue;
                        }
                        foreach (var nm in root.Members)
                        {
                            var namespace_member = nm as NamespaceDeclarationSyntax;
                            if (namespace_member == null)
                            {
                                continue;
                            }
                            foreach (var cm in namespace_member.Members)
                            {
                                var class_member = cm as ClassDeclarationSyntax;
                                if (class_member == null)
                                {
                                    continue;
                                }
                                var bls = class_member.BaseList;
                                if (bls == null)
                                {
                                    continue;
                                }
                                var   types = bls.Types;
                                Regex reg   = new Regex("[<].+[>]");
                                foreach (var type in types)
                                {
                                    var s = type.ToString();
                                    s = reg.Replace(s, "");
                                    if (s.ToString() == listener_baseclass_name)
                                    {
                                        // Found the right class.
                                        found_class.Add(class_member);
                                        throw new Exception();
                                    }
                                }
                            }
                        }
                    }
                }
                catch
                {
                }

                if (found_class.Count == 0)
                {
                    if (!global::Options.POptions.GetBoolean("GenerateVisitorListener"))
                    {
                        return;
                    }

                    // Look in grammar directory for any C# files.
                    string name_space = null;
                    string ffn        = Path.GetFullPath(g4_file_path);
                    ffn = Path.GetDirectoryName(ffn);
                    foreach (var i in DteExtensions.SolutionFiles(application))
                    {
                        string file_name = i.Name;
                        if (file_name != null)
                        {
                            string prefix = file_name.TrimSuffix(".cs");
                            if (prefix == file_name)
                            {
                                continue;
                            }
                            try
                            {
                                object prop  = i.Properties.Item("FullPath").Value;
                                string ffncs = (string)prop;
                                // Look for namespace.
                                var t = trees[ffncs];
                                if (t == null)
                                {
                                    continue;
                                }
                                var root = t.GetCompilationUnitRoot();
                                foreach (var nm in root.Members)
                                {
                                    var namespace_member = nm as NamespaceDeclarationSyntax;
                                    if (namespace_member == null)
                                    {
                                        continue;
                                    }
                                    name_space = namespace_member.Name.ToString();
                                    break;
                                }
                            }
                            catch (Exception)
                            {
                            }
                        }
                    }
                    if (name_space == null)
                    {
                        name_space = "Generated";
                    }

                    // Create class.
                    string clazz = visitor ? $@"
using System;
using System.Collections.Generic;
using System.Text;

namespace {name_space}
{{
    class {listener_class_name}<Result> : {listener_baseclass_name}<Result>
    {{
        //public override Result VisitA([NotNull] A3Parser.AContext context)
        //{{
        //  return VisitChildren(context);
        //}}
    }}
}}
"
                    : $@"
using System;
using System.Collections.Generic;
using System.Text;

namespace {name_space}
{{
    class {listener_class_name} : {listener_baseclass_name}
    {{
        //public override void EnterA(A3Parser.AContext context)
        //{{
        //    base.EnterA(context);
        //}}
        //public override void ExitA(A3Parser.AContext context)
        //{{
        //    base.ExitA(context);
        //}}
    }}
}}
";

                    class_file_path = ffn + Path.DirectorySeparatorChar + listener_class_name + ".cs";
                    System.IO.File.WriteAllText(class_file_path, clazz);
                    var    item   = ProjectHelpers.GetSelectedItem();
                    string folder = FindFolder(item);
                    if (string.IsNullOrEmpty(folder) || !Directory.Exists(folder))
                    {
                        return;
                    }
                    var file         = new FileInfo(class_file_path);
                    var selectedItem = Workspaces.Workspace.Instance.FindDocument(class_file_path);
                    if (selectedItem == null)
                    {
                        //var selectedProject = item as Project;
                        //Project project = selectedItem?.ContainingProject ?? selectedProject ?? null;
                        //var projectItem = project.AddFileToProject(file);
                    }
                    // Redo parse.
                    try
                    {
                        StreamReader sr   = new StreamReader(class_file_path);
                        string       code = sr.ReadToEnd();
                        SyntaxTree   tree = CSharpSyntaxTree.ParseText(code);
                        trees[class_file_path] = tree;
                    }
                    catch (Exception)
                    {
                    }
                    // Redo find class.
                    try
                    {
                        var tree = trees[class_file_path];
                        var save = class_file_path;
                        class_file_path = null;
                        // Look for IParseTreeListener or IParseTreeVisitor classes.
                        var root = (CompilationUnitSyntax)tree.GetRoot();
                        foreach (var nm in root.Members)
                        {
                            var namespace_member = nm as NamespaceDeclarationSyntax;
                            if (namespace_member == null)
                            {
                                continue;
                            }
                            foreach (var cm in namespace_member.Members)
                            {
                                var class_member = cm as ClassDeclarationSyntax;
                                if (class_member == null)
                                {
                                    continue;
                                }
                                var bls = class_member.BaseList;
                                if (bls == null)
                                {
                                    continue;
                                }
                                var   types = bls.Types;
                                Regex reg   = new Regex("[<].+[>]");
                                foreach (var type in types)
                                {
                                    var s = type.ToString();
                                    s = reg.Replace(s, "");
                                    if (s.ToString() == listener_baseclass_name)
                                    {
                                        // Found the right class.
                                        found_class.Add(class_member);
                                        throw new Exception();
                                    }
                                }
                            }
                        }
                    }
                    catch
                    {
                    }
                }

                // Look for enter or exit method for symbol.
                MethodDeclarationSyntax found_member = null;
                var ctl = CtrlKeyState.GetStateForView(grammar_view).Enabled;
                var capitalized_member_name = "";
                if (visitor)
                {
                    capitalized_member_name = "Visit" + capitalized_symbol_name;
                }
                else if (ctl)
                {
                    capitalized_member_name = "Exit" + capitalized_symbol_name;
                }
                else
                {
                    capitalized_member_name = "Enter" + capitalized_symbol_name;
                }
                var capitalized_grammar_name = Capitalized(grammar_name);
                try
                {
                    foreach (var fc in found_class)
                    {
                        foreach (var me in fc.Members)
                        {
                            var method_member = me as MethodDeclarationSyntax;
                            if (method_member == null)
                            {
                                continue;
                            }
                            if (method_member.Identifier.ValueText.ToLower() == capitalized_member_name.ToLower())
                            {
                                found_member = method_member;
                                throw new Exception();
                            }
                        }
                    }
                }
                catch
                {
                }
                if (found_member == null)
                {
                    if (!global::Options.POptions.GetBoolean("GenerateVisitorListener"))
                    {
                        return;
                    }

                    // Find point for edit.
                    var fc   = found_class.First();
                    var here = fc.OpenBraceToken;
                    var spn  = here.FullSpan;
                    var end  = spn.End;

                    IVsTextView vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
                    if (vstv == null)
                    {
                        IVsTextViewExtensions.ShowFrame(class_file_path);
                        vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
                    }
                    IWpfTextView wpftv = vstv.GetIWpfTextView();
                    if (wpftv == null)
                    {
                        return;
                    }
                    ITextSnapshot cc = wpftv.TextBuffer.CurrentSnapshot;

                    var res = vstv.GetBuffer(out IVsTextLines ppBuffer);

                    var nss      = new SnapshotSpan(cc, spn.End + 1, 0);
                    var txt_span = nss.Span;

                    int line_number;
                    int colum_number;
                    vstv.GetLineAndColumn(txt_span.Start, out line_number, out colum_number);
                    res = ppBuffer.CreateEditPoint(line_number, colum_number, out object ppEditPoint);
                    EditPoint editPoint = ppEditPoint as EditPoint;
                    // Create class.
                    string member = visitor ? $@"
public override Result {capitalized_member_name}([NotNull] {capitalized_grammar_name}Parser.{capitalized_symbol_name}Context context)
{{
    return VisitChildren(context);
}}
"
                        : $@"
public override void {capitalized_member_name}({capitalized_grammar_name}Parser.{capitalized_symbol_name}Context context)
{{
    base.{capitalized_member_name}(context);
}}
";
                    editPoint.Insert(member);
                    // Redo parse.
                    try
                    {
                        vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
                        if (vstv == null)
                        {
                            IVsTextViewExtensions.ShowFrame(class_file_path);
                            vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
                        }
                        var        text_buffer = vstv.GetITextBuffer();
                        var        code        = text_buffer.GetBufferText();
                        SyntaxTree tree        = CSharpSyntaxTree.ParseText(code);
                        trees[class_file_path] = tree;
                    }
                    catch (Exception)
                    {
                    }
                    // Redo find class.
                    try
                    {
                        var tree = trees[class_file_path];
                        var save = class_file_path;
                        class_file_path = null;
                        // Look for IParseTreeListener or IParseTreeVisitor classes.
                        var root = (CompilationUnitSyntax)tree.GetRoot();
                        foreach (var nm in root.Members)
                        {
                            var namespace_member = nm as NamespaceDeclarationSyntax;
                            if (namespace_member == null)
                            {
                                continue;
                            }
                            foreach (var cm in namespace_member.Members)
                            {
                                var class_member = cm as ClassDeclarationSyntax;
                                if (class_member == null)
                                {
                                    continue;
                                }
                                var bls = class_member.BaseList;
                                if (bls == null)
                                {
                                    continue;
                                }
                                var   types = bls.Types;
                                Regex reg   = new Regex("[<].+[>]");
                                foreach (var type in types)
                                {
                                    var s = type.ToString();
                                    s = reg.Replace(s, "");
                                    if (s.ToString() == listener_baseclass_name)
                                    {
                                        // Found the right class.
                                        found_class.Add(class_member);
                                        class_file_path = save;
                                        throw new Exception();
                                    }
                                }
                            }
                        }
                    }
                    catch
                    {
                    }
                    try
                    {
                        foreach (var fcc in found_class)
                        {
                            foreach (var me in fcc.Members)
                            {
                                var method_member = me as MethodDeclarationSyntax;
                                if (method_member == null)
                                {
                                    continue;
                                }
                                if (method_member.Identifier.ValueText.ToLower() == capitalized_member_name.ToLower())
                                {
                                    found_member = method_member;
                                    throw new Exception();
                                }
                            }
                        }
                    }
                    catch
                    {
                    }
                }

                {
                    // Open to this line in editor.
                    IVsTextView vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
                    {
                        IVsTextViewExtensions.ShowFrame(class_file_path);
                        vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
                    }

                    IWpfTextView wpftv = vstv.GetIWpfTextView();
                    if (wpftv == null)
                    {
                        return;
                    }

                    int line_number;
                    int colum_number;
                    var txt_span = found_member.Identifier.Span;
                    vstv.GetLineAndColumn(txt_span.Start, out line_number, out colum_number);

                    // Create new span in the appropriate view.
                    ITextSnapshot cc = wpftv.TextBuffer.CurrentSnapshot;
                    SnapshotSpan  ss = new SnapshotSpan(cc, txt_span.Start, txt_span.Length);
                    SnapshotPoint sp = ss.Start;
                    // Put cursor on symbol.
                    wpftv.Caret.MoveTo(sp); // This sets cursor, bot does not center.
                                            // Center on cursor.
                                            //wpftv.Caret.EnsureVisible(); // This works, sort of. It moves the scroll bar, but it does not CENTER! Does not really work!
                    if (line_number > 0)
                    {
                        vstv.CenterLines(line_number - 1, 2);
                    }
                    else
                    {
                        vstv.CenterLines(line_number, 1);
                    }
                    return;
                }
            }
            catch (Exception exception)
            {
                Logger.Log.Notify(exception.StackTrace);
            }
        }
Пример #5
0
        private void RenameCallback(object sender, EventArgs e)
        {
            try
            {
                // Highlight the symbol, reposition it to the beginning of it.
                // Every character changes all occurrences of the symbol.

                SnapshotSpan span      = AntlrLanguagePackage.Instance.Span;
                int          curLoc    = span.Start.Position;
                var          buf       = span.Snapshot.TextBuffer;
                var          file_name = buf.GetFFN().Result;
                if (file_name == null)
                {
                    return;
                }
                var document = Workspaces.Workspace.Instance.FindDocument(file_name);
                var ref_pd   = ParserDetailsFactory.Create(document);
                if (ref_pd == null)
                {
                    return;
                }
                var sym = LanguageServer.Module.GetDocumentSymbol(curLoc, document);
                if (sym == null)
                {
                    return;
                }
                var locations = LanguageServer.Module.FindRefsAndDefs(curLoc, document);
                List <SnapshotSpan> wordSpans = new List <SnapshotSpan>();
                var results = new List <Entry>();
                foreach (var loc in locations)
                {
                    if (global::Options.POptions.GetBoolean("RestrictedDirectory"))
                    {
                        string p1 = System.IO.Path.GetDirectoryName(file_name);
                        string p2 = System.IO.Path.GetDirectoryName(loc.Uri.FullPath);
                        if (p1 != p2)
                        {
                            continue;
                        }
                    }
                    var w = new Entry()
                    {
                        FileName = loc.Uri.FullPath, Start = loc.Range.Start.Value, End = loc.Range.End.Value
                    };
                    results.Add(w);
                }

                // Call up the rename dialog box. In another thread because
                // of "The calling thread must be STA, because many UI components require this."
                // error.
                Application.Current.Dispatcher.Invoke((Action) delegate {
                    RenameDialogBox inputDialog = new RenameDialogBox(sym.name);
                    if (inputDialog.ShowDialog() == true)
                    {
                        var new_name = inputDialog.Answer;
                        var files    = results.Select(r => r.FileName).OrderBy(q => q).Distinct();
                        foreach (var f in files)
                        {
                            var per_file_results = results.Where(r => r.FileName == f);
                            per_file_results.Reverse();
                            var fitem         = Workspaces.Workspace.Instance.FindDocument(f);
                            var pd            = ParserDetailsFactory.Create(fitem);
                            IVsTextView vstv2 = IVsTextViewExtensions.FindTextViewFor(f);
                            if (vstv2 == null)
                            {
                                // File has not been opened before! Open file in editor.
                                IVsTextViewExtensions.ShowFrame(f);
                                vstv2 = IVsTextViewExtensions.FindTextViewFor(f);
                            }
                            IWpfTextView wpftv2 = vstv2.GetIWpfTextView();
                            ITextBuffer tb      = wpftv2.TextBuffer;
                            using (var edit = tb.CreateEdit())
                            {
                                ITextSnapshot cc2 = tb.CurrentSnapshot;
                                foreach (var e2 in per_file_results)
                                {
                                    SnapshotSpan ss2  = new SnapshotSpan(cc2, e2.Start, 1 + e2.End - e2.Start);
                                    SnapshotPoint sp2 = ss2.Start;
                                    edit.Replace(ss2, new_name);
                                }
                                edit.Apply();
                            }
                        }
                    }
                });

                //AntlrVSIX.Package.Menus.ResetMenus();
            }
            catch (Exception exception)
            {
                Logger.Log.Notify(exception.StackTrace);
            }
        }