Add new endpoint in roslyn to get token for multiple ranges

[maryamariyan]

Contributes to: dotnet/razor#9273

[maryamariyan]

• Figured out why new tests are failing because the new endpoint cannot be found:
  ---> UPDATED: was missing the ExportCSharpVisualBasicStatelessLspService attribute on the new handler

✘ Microsoft.CodeAnalysis.LanguageServer.UnitTests.SemanticTokens.SemanticTokensRangesTests.TestGetSemanticTokensRanges_FullDocAsync(mutatingLspWorkspace: False, isVS: True)​

174ms

Error:

StreamJsonRpc.RemoteMethodNotFoundException : No method by the name 'textDocument/semanticTokens/ranges' is found.

Stack trace:

   at StreamJsonRpc.JsonRpc.<InvokeCoreAsync>d__151`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
   at Roslyn.Test.Utilities.AbstractLanguageServerProtocolTests.TestLspServer.<ExecuteRequestAsync>d__13`2.MoveNext() in C:\CodeHub\roslyn\src\EditorFeatures\TestUtilities\LanguageServer\AbstractLanguageServerProtocolTests.cs:line 640
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at Microsoft.CodeAnalysis.LanguageServer.UnitTests.SemanticTokens.AbstractSemanticTokensTests.<RunGetSemanticTokensAsync>d__2.MoveNext() in C:\CodeHub\roslyn\src\Features\LanguageServer\ProtocolUnitTests\SemanticTokens\AbstractSemanticTokensTests.cs:line 45
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at Microsoft.CodeAnalysis.LanguageServer.UnitTests.SemanticTokens.SemanticTokensRangesTests.<TestGetSemanticTokensRanges_FullDocAsync>d__1.MoveNext() in C:\CodeHub\roslyn\src\Features\LanguageServer\ProtocolUnitTests\SemanticTokens\SemanticTokensRangesTests.cs:line 37
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Microsoft.CodeAnalysis.LanguageServer.UnitTests.SemanticTokens.SemanticTokensRangesTests.<TestGetSemanticTokensRanges_FullDocAsync>d__1.MoveNext() in C:\CodeHub\roslyn\src\Features\LanguageServer\ProtocolUnitTests\SemanticTokens\SemanticTokensRangesTests.cs:line 69
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

[maryamariyan]

• I found 4 test failures related to CompositionFailedException, haven't troubleshooted them yet. Here's a stacktrace:

  Message: 
Microsoft.VisualStudio.Composition.CompositionFailedException : Errors exist in the composition.

  Stack Trace: 
CompositionConfiguration.ThrowOnErrors()
ExportProviderBuilder.ThrowOnUnexpectedErrors(CompositionConfiguration configuration, ILogger logger) line 98
ExportProviderBuilder.CreateExportProviderAsync(IEnumerable`1 extensionAssemblyPaths, String sharedDependenciesPath, ILoggerFactory loggerFactory) line 67
TestLspServer.CreateAsync(ClientCapabilities clientCapabilities, TestOutputLogger logger, Boolean includeDevKitComponents) line 37
LspFileChangeWatcherTests.LspFileWatcherSupportedWithClientSupport() line 43
--- End of stack trace from previous location ---

  Standard Output: 
[07:34:26.314][Error]Encountered errors in the MEF composition:
----- CompositionError level 1 ------
Microsoft.CodeAnalysis.LanguageServer.ExternalAccess.Razor.SemanticTokensRangesHandler.ctor(semanticTokensRefreshQueue): expected exactly 1 export matching constraints:
    Contract name: Microsoft.CodeAnalysis.LanguageServer.Handler.SemanticTokens.SemanticTokensRefreshQueue
    TypeIdentityName: Microsoft.CodeAnalysis.LanguageServer.Handler.SemanticTokens.SemanticTokensRefreshQueue
but found 0.
   part definition Microsoft.CodeAnalysis.LanguageServer.ExternalAccess.Razor.SemanticTokensRangesHandler

Microsoft.CodeAnalysis.ExternalAccess.Pythia.PythiaSignatureHelpProvider.ctor(implementation): expected exactly 1 export matching constraints:
    Contract name: Microsoft.CodeAnalysis.ExternalAccess.Pythia.Api.IPythiaSignatureHelpProviderImplementation
    TypeIdentityName: Microsoft.CodeAnalysis.ExternalAccess.Pythia.Api.IPythiaSignatureHelpProviderImplementation
but found 0.
   part definition Microsoft.CodeAnalysis.ExternalAccess.Pythia.PythiaSignatureHelpProvider

[ToddGrun]

        return updatedClassifiedSpans.ToArray();

Ugh, I think we can get by without this allocation too. #Closed

---

Refers to: src/Features/LanguageServer/Protocol/Handler/SemanticTokens/SemanticTokensHelpers.cs:119 in 013612c. [](commit_id = 013612c, deletion_comment = False)

[ToddGrun]