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Diffstat (limited to 'main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/FindReferencesHandler.cs')
| -rw-r--r-- | main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/FindReferencesHandler.cs | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/FindReferencesHandler.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/FindReferencesHandler.cs new file mode 100644 index 0000000000..bbd792a985 --- /dev/null +++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/FindReferencesHandler.cs @@ -0,0 +1,191 @@ +// +// FindReferencesHandler.cs +// +// Author: +// Mike Krüger <mkrueger@novell.com> +// +// Copyright (c) 2009 Novell, Inc (http://www.novell.com) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +using System; +using System.Linq; +using System.Threading; +using MonoDevelop.Components.Commands; +using MonoDevelop.Core; +using MonoDevelop.Ide; +using MonoDevelop.Refactoring; +using Microsoft.CodeAnalysis.FindSymbols; +using Microsoft.CodeAnalysis; +using MonoDevelop.Ide.TypeSystem; +using MonoDevelop.Ide.FindInFiles; +using MonoDevelop.Ide.Tasks; +using System.Threading.Tasks; +using System.Collections.Generic; +using ICSharpCode.NRefactory6.CSharp; + +namespace MonoDevelop.CSharp.Refactoring +{ + class FindReferencesHandler + { + internal static void FindRefs (ISymbol symbol) + { + var monitor = IdeApp.Workbench.ProgressMonitors.GetSearchProgressMonitor (true, true); + var workspace = TypeSystemService.Workspace as MonoDevelopWorkspace; + if (workspace == null) + return; + var solution = workspace.CurrentSolution; + Task.Run (async delegate { + try { + var antiDuplicatesSet = new HashSet<SearchResult> (new SearchResultComparer ()); + foreach (var loc in symbol.Locations) { + if (!loc.IsInSource) + continue; + var fileName = loc.SourceTree.FilePath; + var offset = loc.SourceSpan.Start; + string projectedName; + int projectedOffset; + if (workspace.TryGetOriginalFileFromProjection (fileName, offset, out projectedName, out projectedOffset)) { + fileName = projectedName; + offset = projectedOffset; + } + var sr = new SearchResult (new FileProvider (fileName), offset, loc.SourceSpan.Length); + antiDuplicatesSet.Add (sr); + monitor.ReportResult (sr); + } + + foreach (var mref in await SymbolFinder.FindReferencesAsync (symbol, solution).ConfigureAwait (false)) { + foreach (var loc in mref.Locations) { + var fileName = loc.Document.FilePath; + var offset = loc.Location.SourceSpan.Start; + string projectedName; + int projectedOffset; + if (workspace.TryGetOriginalFileFromProjection (fileName, offset, out projectedName, out projectedOffset)) { + fileName = projectedName; + offset = projectedOffset; + } + var sr = new SearchResult (new FileProvider (fileName), offset, loc.Location.SourceSpan.Length); + if (antiDuplicatesSet.Add (sr)) { + monitor.ReportResult (sr); + } + } + } + } catch (Exception ex) { + if (monitor != null) + monitor.ReportError ("Error finding references", ex); + else + LoggingService.LogError ("Error finding references", ex); + } finally { + if (monitor != null) + monitor.Dispose (); + } + }); + } + + public void Update (CommandInfo info) + { + var doc = IdeApp.Workbench.ActiveDocument; + if (doc == null || doc.FileName == FilePath.Null || doc.ParsedDocument == null) { + info.Enabled = false; + return; + } + var pd = doc.ParsedDocument.GetAst<SemanticModel> (); + info.Enabled = pd != null; + } + + public void Run (object data) + { + var doc = IdeApp.Workbench.ActiveDocument; + if (doc == null || doc.FileName == FilePath.Null) + return; + + var info = RefactoringSymbolInfo.GetSymbolInfoAsync (doc, doc.Editor).Result; + var sym = info.Symbol ?? info.DeclaredSymbol; + if (sym != null) { + if (sym.Kind == SymbolKind.Local || sym.Kind == SymbolKind.Parameter || sym.Kind == SymbolKind.TypeParameter) { + FindRefs (sym); + } else { + RefactoringService.FindReferencesAsync (FilterSymbolForFindReferences (sym).GetDocumentationCommentId ()); + } + } + } + + internal static ISymbol FilterSymbolForFindReferences (ISymbol sym) + { + var meth = sym as IMethodSymbol; + if (meth != null && meth.IsReducedExtension ()) { + return meth.ReducedFrom; + } + return sym; + } + } + + + + class FindAllReferencesHandler + { + + public void Update (CommandInfo info) + { + var doc = IdeApp.Workbench.ActiveDocument; + if (doc == null || doc.FileName == FilePath.Null || doc.ParsedDocument == null) { + info.Enabled = false; + return; + } + var pd = doc.ParsedDocument.GetAst<SemanticModel> (); + info.Enabled = pd != null; + } + + public void Run (object data) + { + var doc = IdeApp.Workbench.ActiveDocument; + if (doc == null || doc.FileName == FilePath.Null) + return; + + var info = RefactoringSymbolInfo.GetSymbolInfoAsync (doc, doc.Editor).Result; + var sym = info.Symbol ?? info.DeclaredSymbol; + if (sym != null) { + if (sym.Kind == SymbolKind.Local || sym.Kind == SymbolKind.Parameter || sym.Kind == SymbolKind.TypeParameter) { + FindReferencesHandler.FindRefs (sym); + } else { + RefactoringService.FindAllReferencesAsync (FindReferencesHandler.FilterSymbolForFindReferences (sym).GetDocumentationCommentId ()); + } + } + } + } + + class SearchResultComparer : IEqualityComparer<SearchResult> + { + public bool Equals (SearchResult x, SearchResult y) + { + return x.FileName == y.FileName && + x.Offset == y.Offset && + x.Length == y.Length; + } + + public int GetHashCode (SearchResult obj) + { + int hash = 17; + hash = hash * 23 + obj.Offset.GetHashCode (); + hash = hash * 23 + obj.Length.GetHashCode (); + hash = hash * 23 + (obj.FileName ?? "").GetHashCode (); + return hash; + } + } +} |