public async Task <MetadataResponse> Handle(MetadataRequest request)
{
var externalSourceService = _externalSourceServiceFactory.Create(_omniSharpOptions);
var response = new MetadataResponse();
foreach (var project in _workspace.CurrentSolution.Projects)
{
var compilation = await project.GetCompilationAsync();
var symbol = compilation.GetTypeByMetadataName(request.TypeName);
if (symbol != null && symbol.ContainingAssembly.Name == request.AssemblyName)
{
var cancellationToken = _externalSourceServiceFactory.CreateCancellationToken(_omniSharpOptions, request.Timeout);
var(metadataDocument, documentPath) = await externalSourceService.GetAndAddExternalSymbolDocument(project, symbol, cancellationToken);
if (metadataDocument != null)
{
var source = await metadataDocument.GetTextAsync();
response.Source = source.ToString();
response.SourceName = documentPath;
return(response);
}
}
}
return(response);
}
public GotoTypeDefinitionHandler(
OmniSharpWorkspace workspace,
ExternalSourceServiceFactory externalSourceServiceFactory,
OmniSharpOptions omniSharpOptions)
: base(workspace)
{
_externalSourceService = externalSourceServiceFactory?.Create(omniSharpOptions) ?? throw new ArgumentNullException(nameof(externalSourceServiceFactory));
}
public async Task <GotoDefinitionResponse> Handle(GotoDefinitionRequest request)
{
var cancellationToken = _externalSourceServiceFactory.CreateCancellationToken(_omnisharpOptions, request.Timeout);
var externalSourceService = _externalSourceServiceFactory.Create(_omnisharpOptions);
var document = externalSourceService.FindDocumentInCache(request.FileName) ??
_workspace.GetDocument(request.FileName);
if (document == null)
{
return(new GotoDefinitionResponse());
}
var symbol = await GoToDefinitionHelpers.GetDefinitionSymbol(document, request.Line, request.Column, cancellationToken);
if (symbol?.Locations.IsDefaultOrEmpty != false)
{
return(new GotoDefinitionResponse());
}
if (symbol.Locations[0].IsInSource)
{
return(new GotoDefinitionResponse()
{
Definitions = symbol.Locations
.Select(location => new Definition
{
Location = location.GetMappedLineSpan().GetLocationFromFileLinePositionSpan(),
SourceGeneratedFileInfo = GoToDefinitionHelpers.GetSourceGeneratedFileInfo(_workspace, location)
})
.ToList()
});
}
else
{
var maybeSpan = await GoToDefinitionHelpers.GetMetadataMappedSpan(document, symbol, externalSourceService, cancellationToken);
if (maybeSpan is FileLinePositionSpan lineSpan)
{
return(new GotoDefinitionResponse
{
Definitions = new()
{
new Definition
{
Location = lineSpan.GetLocationFromFileLinePositionSpan(),
MetadataSource = new OmniSharp.Models.Metadata.MetadataSource()
{
AssemblyName = symbol.ContainingAssembly.Name,
ProjectName = document.Project.Name,
TypeName = symbol.GetSymbolName()
}
}
}
});
public async Task <GotoDefinitionResponse> Handle(GotoDefinitionRequest request)
{
var externalSourceService = _externalSourceServiceFactory.Create(_omnisharpOptions);
var cancellationToken = _externalSourceServiceFactory.CreateCancellationToken(_omnisharpOptions, request.Timeout);
var document = externalSourceService.FindDocumentInCache(request.FileName) ??
_workspace.GetDocument(request.FileName);
var symbol = await GoToDefinitionHelpers.GetDefinitionSymbol(document, request.Line, request.Column, cancellationToken);
if (symbol == null)
{
return(new GotoDefinitionResponse());
}
var location = symbol.Locations.First();
GotoDefinitionResponse?response = null;
if (location.IsInSource)
{
var lineSpan = symbol.Locations.First().GetMappedLineSpan();
response = new GotoDefinitionResponse
{
FileName = lineSpan.Path,
Line = lineSpan.StartLinePosition.Line,
Column = lineSpan.StartLinePosition.Character,
SourceGeneratedInfo = GoToDefinitionHelpers.GetSourceGeneratedFileInfo(_workspace, location)
};
}
else if (location.IsInMetadata && request.WantMetadata)
{
var maybeSpan = await GoToDefinitionHelpers.GetMetadataMappedSpan(document, symbol, externalSourceService, cancellationToken);
if (maybeSpan is FileLinePositionSpan lineSpan)
{
response = new GotoDefinitionResponse
{
Line = lineSpan.StartLinePosition.Line,
Column = lineSpan.StartLinePosition.Character,
MetadataSource = new MetadataSource()
{
AssemblyName = symbol.ContainingAssembly.Name,
ProjectName = document.Project.Name,
TypeName = symbol.GetSymbolName()
},
};
}
}
return(response ?? new GotoDefinitionResponse());
}
// Based on https://github.com/OmniSharp/omnisharp-roslyn/blob/cbfca2cccaf814f3c906a49c9321f0bc898fa0e6/src/OmniSharp.Roslyn.CSharp/Services/Navigation/GotoDefinitionService.cs
public async Task <GotoDefinitionResponse> Handle(GotoDefinitionRequest request)
{
if (_codeSearchServiceProvider?.CodeSearchService == null)
{
return(null);
}
var externalSourceService = _externalSourceServiceFactory.Create(_omnisharpOptions);
var document = externalSourceService.FindDocumentInCache(request.FileName) ??
_workspace.GetDocument(request.FileName);
var response = new GotoDefinitionResponse();
if (document == null)
{
_logger.LogDebug($"FastCodeNav: Couldn't get document for {request.FileName}");
return(await GetDefinitionFromCodeSearchAsync(request));
}
if (document != null)
{
var semanticModel = await document.GetSemanticModelAsync();
var sourceText = await document.GetTextAsync();
var position = sourceText.Lines.GetPosition(new LinePosition(request.Line, request.Column));
var symbol = await SymbolFinder.FindSymbolAtPositionAsync(semanticModel, position, _workspace);
if (symbol == null)
{
return(await GetDefinitionFromCodeSearchAsync(request));
}
// go to definition for namespaces is not supported
if (symbol != null && !(symbol is INamespaceSymbol))
{
// for partial methods, pick the one with body
if (symbol is IMethodSymbol method)
{
// Return an empty response for property accessor symbols like get and set
if (method.AssociatedSymbol is IPropertySymbol)
{
return(response);
}
symbol = method.PartialImplementationPart ?? symbol;
}
var location = symbol.Locations.First();
if (location.IsInSource)
{
var lineSpan = symbol.Locations.First().GetMappedLineSpan();
response = new GotoDefinitionResponse
{
FileName = lineSpan.Path,
Line = lineSpan.StartLinePosition.Line,
Column = lineSpan.StartLinePosition.Character
};
}
else if (location.IsInMetadata && request.WantMetadata)
{
var cancellationToken = _externalSourceServiceFactory.CreateCancellationToken(_omnisharpOptions, request.Timeout);
var(metadataDocument, _) = await externalSourceService.GetAndAddExternalSymbolDocument(document.Project, symbol, cancellationToken);
if (metadataDocument != null)
{
cancellationToken = _externalSourceServiceFactory.CreateCancellationToken(_omnisharpOptions, request.Timeout);
var metadataLocation = await externalSourceService.GetExternalSymbolLocation(symbol, metadataDocument, cancellationToken);
var lineSpan = metadataLocation.GetMappedLineSpan();
response = new GotoDefinitionResponse
{
Line = lineSpan.StartLinePosition.Line,
Column = lineSpan.StartLinePosition.Character,
MetadataSource = new MetadataSource()
{
AssemblyName = symbol.ContainingAssembly.Name,
ProjectName = document.Project.Name,
TypeName = symbol.GetSymbolName()
},
};
}
}
}
}
return(response);
}