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(OmniSharp#2209) implemented /v2/gotodefinition for Cake
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113 changes: 113 additions & 0 deletions
113
src/OmniSharp.Cake/Services/RequestHandlers/Navigation/GotoDefinitionHandlerHelper.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis.FindSymbols; | ||
| using Microsoft.CodeAnalysis.Text; | ||
| using OmniSharp.Roslyn; | ||
|
|
||
| namespace OmniSharp.Cake.Services.RequestHandlers.Navigation | ||
| { | ||
| public static class GotoDefinitionHandlerHelper | ||
| { | ||
| private const int MethodLineOffset = 3; | ||
| private const int PropertyLineOffset = 7; | ||
|
|
||
| internal static async Task<IEnumerable<Alias>> GetAliasFromMetadataAsync( | ||
| OmniSharpWorkspace workspace, | ||
| string fileName, | ||
| int line, | ||
| int timeout, | ||
| MetadataExternalSourceService metadataExternalSourceService) | ||
| { | ||
| var document = workspace.GetDocument(fileName); | ||
| var lineIndex = line + MethodLineOffset; | ||
| int column; | ||
|
|
||
| if (document == null) | ||
| { | ||
| return Enumerable.Empty<Alias>(); | ||
| } | ||
|
|
||
| var semanticModel = await document.GetSemanticModelAsync(); | ||
| var sourceText = await document.GetTextAsync(); | ||
| var sourceLine = sourceText.Lines[lineIndex].ToString(); | ||
| if (sourceLine.Contains("(Context")) | ||
| { | ||
| column = sourceLine.IndexOf("(Context", StringComparison.Ordinal); | ||
| } | ||
| else | ||
| { | ||
| lineIndex = line + PropertyLineOffset; | ||
| sourceLine = sourceText.Lines[lineIndex].ToString(); | ||
| if (sourceLine.Contains("(Context")) | ||
| { | ||
| column = sourceLine.IndexOf("(Context", StringComparison.Ordinal); | ||
| } | ||
| else | ||
| { | ||
| return Enumerable.Empty<Alias>(); | ||
| } | ||
| } | ||
|
|
||
| if (column > 0 && sourceLine[column - 1] == '>') | ||
| { | ||
| column = sourceLine.LastIndexOf("<", column, StringComparison.Ordinal); | ||
| } | ||
|
|
||
| var position = sourceText.Lines.GetPosition(new LinePosition(lineIndex, column)); | ||
| var symbol = await SymbolFinder.FindSymbolAtPositionAsync(semanticModel, position, workspace); | ||
|
|
||
| if (symbol == null || symbol is INamespaceSymbol) | ||
| { | ||
| return Enumerable.Empty<Alias>(); | ||
| } | ||
| if (symbol is IMethodSymbol method) | ||
| { | ||
| symbol = method.PartialImplementationPart ?? symbol; | ||
| } | ||
|
|
||
| var result = new List<Alias>(); | ||
| foreach (var location in symbol.Locations) | ||
| { | ||
| if (!location.IsInMetadata) | ||
| { | ||
| continue; | ||
| } | ||
|
|
||
| var cancellationSource = new CancellationTokenSource(TimeSpan.FromMilliseconds(timeout)); | ||
| var (metadataDocument, _) = await metadataExternalSourceService.GetAndAddExternalSymbolDocument(document.Project, symbol, cancellationSource.Token); | ||
| if (metadataDocument == null) | ||
| { | ||
| continue; | ||
| } | ||
|
|
||
| cancellationSource = new CancellationTokenSource(TimeSpan.FromMilliseconds(timeout)); | ||
| var metadataLocation = await metadataExternalSourceService.GetExternalSymbolLocation(symbol, metadataDocument, cancellationSource.Token); | ||
| var lineSpan = metadataLocation.GetMappedLineSpan(); | ||
|
|
||
| result.Add(new Alias | ||
| { | ||
| Document = document, | ||
| MetadataDocument = metadataDocument, | ||
| Symbol = symbol, | ||
| Location = location, | ||
| LineSpan = lineSpan | ||
| }); | ||
| } | ||
|
|
||
| return result; | ||
| } | ||
|
|
||
| internal class Alias | ||
| { | ||
| public Document Document { get; set; } | ||
| public ISymbol Symbol { get; set; } | ||
| public Location Location { get; set; } | ||
| public FileLinePositionSpan LineSpan { get; set; } | ||
| public Document MetadataDocument { get; set; } | ||
| } | ||
| } | ||
| } |
115 changes: 115 additions & 0 deletions
115
src/OmniSharp.Cake/Services/RequestHandlers/Navigation/GotoDefinitionV2Handler.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Composition; | ||
| using System.Linq; | ||
| using System.Threading.Tasks; | ||
| using OmniSharp.Extensions; | ||
| using OmniSharp.Mef; | ||
| using OmniSharp.Models.V2.GotoDefinition; | ||
| using OmniSharp.Models.Metadata; | ||
| using OmniSharp.Models.v1.SourceGeneratedFile; | ||
| using OmniSharp.Models.V2; | ||
| using OmniSharp.Roslyn; | ||
| using OmniSharp.Utilities; | ||
| using Location = OmniSharp.Models.V2.Location; | ||
|
|
||
| namespace OmniSharp.Cake.Services.RequestHandlers.Navigation | ||
| { | ||
| [OmniSharpHandler(OmniSharpEndpoints.V2.GotoDefinition, Constants.LanguageNames.Cake), Shared] | ||
| public class GotoDefinitionV2Handler : CakeRequestHandler<GotoDefinitionRequest, GotoDefinitionResponse> | ||
| { | ||
| private readonly MetadataExternalSourceService _metadataExternalSourceService; | ||
|
|
||
| [ImportingConstructor] | ||
| public GotoDefinitionV2Handler( | ||
| OmniSharpWorkspace workspace, | ||
| MetadataExternalSourceService metadataExternalSourceService) | ||
| : base(workspace) | ||
| { | ||
| _metadataExternalSourceService = metadataExternalSourceService ?? throw new ArgumentNullException(nameof(metadataExternalSourceService)); | ||
| } | ||
|
|
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| protected override async Task<GotoDefinitionResponse> TranslateResponse(GotoDefinitionResponse response, GotoDefinitionRequest request) | ||
| { | ||
| var definitions = new List<Definition>(); | ||
| foreach (var definition in response.Definitions ?? Enumerable.Empty<Definition>()) | ||
| { | ||
| var file = definition.Location.FileName; | ||
|
|
||
| if (string.IsNullOrEmpty(file) || !file.Equals(Constants.Paths.Generated)) | ||
| { | ||
| if (PlatformHelper.IsWindows && !string.IsNullOrEmpty(file)) | ||
| { | ||
| file = file.Replace('/', '\\'); | ||
| } | ||
|
|
||
| definitions.Add(new Definition | ||
| { | ||
| MetadataSource = definition.MetadataSource, | ||
| SourceGeneratedFileInfo = definition.SourceGeneratedFileInfo, | ||
| Location = new Location | ||
| { | ||
| FileName = file, | ||
| Range = definition.Location.Range | ||
| } | ||
| }); | ||
|
|
||
| continue; | ||
| } | ||
|
|
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| if (!request.WantMetadata) | ||
| { | ||
| continue; | ||
| } | ||
|
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| var aliasLocations = await GotoDefinitionHandlerHelper.GetAliasFromMetadataAsync( | ||
| Workspace, | ||
| request.FileName, | ||
| definition.Location.Range.End.Line, | ||
| request.Timeout, | ||
| _metadataExternalSourceService | ||
| ); | ||
|
|
||
| definitions.AddRange( | ||
| aliasLocations.Select(loc => | ||
| new Definition | ||
| { | ||
| Location = new Location | ||
| { | ||
| FileName = loc.MetadataDocument.FilePath ?? loc.MetadataDocument.Name, | ||
| Range = new Range | ||
| { | ||
| Start = new Point | ||
| { | ||
| Column = loc.LineSpan.StartLinePosition.Character, | ||
| Line = loc.LineSpan.StartLinePosition.Line | ||
| }, | ||
| End = new Point | ||
| { | ||
| Column = loc.LineSpan.EndLinePosition.Character, | ||
| Line = loc.LineSpan.EndLinePosition.Line | ||
| }, | ||
| } | ||
| }, | ||
| MetadataSource = new MetadataSource | ||
| { | ||
| AssemblyName = loc.Symbol.ContainingAssembly.Name, | ||
| ProjectName = loc.Document.Project.Name, | ||
| TypeName = loc.Symbol.GetSymbolName() | ||
| }, | ||
| SourceGeneratedFileInfo = new SourceGeneratedFileInfo | ||
| { | ||
| DocumentGuid = loc.Document.Id.Id, | ||
| ProjectGuid = loc.Document.Id.ProjectId.Id | ||
| } | ||
| }) | ||
| .ToList()); | ||
| } | ||
|
|
||
| return new GotoDefinitionResponse | ||
| { | ||
| Definitions = definitions | ||
| }; | ||
| } | ||
| } | ||
| } |
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