private static void AddUsagesRanges()

in ReSharper.FSharp/src/FSharp/FSharp.Psi/src/Features/Daemon/ContextHighlighters/FSharpUsagesContextHighlighter.cs [85:129]

37 lines of code
13 McCabe index (conditional complexity)


    private static void AddUsagesRanges(FSharpSymbol symbol, HashSet<DocumentRange> ranges,
      FSharpCheckFileResults checkResults, IDocument document, IFSharpFile fsFile)
    {
      var isActivePatternCase = symbol is FSharpActivePatternCase;
      var isGreaterOp =
        symbol is FSharpMemberOrFunctionOrValue { LogicalName: StandardOperatorNames.GreaterThan };

      var symbolUsages = checkResults?.GetUsesOfSymbolInFile(symbol, null);
      if (symbolUsages == null)
        return;

      foreach (var symbolUse in symbolUsages)
      {
        var treeOffset = document.GetTreeEndOffset(symbolUse.Range);
        var usageToken = fsFile.FindTokenAt(treeOffset - 1);
        if (usageToken == null)
          continue;

        if (isActivePatternCase && symbolUse.IsFromDefinition)
        {
          if (!(symbolUse.Symbol is FSharpActivePatternCase useSymbol))
            continue;

          if (useSymbol.DeclarationLocation.Equals(symbolUse.Range))
          {
            var caseDeclaration = usageToken.GetContainingNode<IActivePatternId>()?.Cases[useSymbol.Index];
            if (caseDeclaration != null)
            {
              ranges.Add(caseDeclaration.GetDocumentRange());
              continue;
            }
          }
        }

        if (!(usageToken is IFSharpIdentifierToken identToken))
          continue;

        var tokenType = identToken.GetTokenType();

        if ((tokenType == FSharpTokenType.GREATER || tokenType == FSharpTokenType.GREATER_RBRACK) && !isGreaterOp)
          continue; // found usage of generic symbol with specified type parameter

        ranges.Add(identToken.GetDocumentRange());
      }
    }