Microsoft.IronStudio.Core.DlrClassifierProvider.FillCategoryMap C# (CSharp) Method

        private Dictionary<TokenCategory, IClassificationType> FillCategoryMap(IClassificationTypeRegistryService registry) {
            var categoryMap = new Dictionary<TokenCategory, IClassificationType>();

            categoryMap[TokenCategory.DocComment] = _comment = registry.GetClassificationType(PredefinedClassificationTypeNames.Comment);
            categoryMap[TokenCategory.LineComment] = registry.GetClassificationType(PredefinedClassificationTypeNames.Comment);
            categoryMap[TokenCategory.Comment] = registry.GetClassificationType(PredefinedClassificationTypeNames.Comment);
            categoryMap[TokenCategory.NumericLiteral] = registry.GetClassificationType(PredefinedClassificationTypeNames.Literal);
            categoryMap[TokenCategory.CharacterLiteral] = registry.GetClassificationType(PredefinedClassificationTypeNames.Character);
            categoryMap[TokenCategory.StringLiteral] = _stringLiteral = registry.GetClassificationType(PredefinedClassificationTypeNames.String);
            categoryMap[TokenCategory.Keyword] = _keyword = registry.GetClassificationType(PredefinedClassificationTypeNames.Keyword);
            categoryMap[TokenCategory.Directive] = registry.GetClassificationType(PredefinedClassificationTypeNames.Keyword);
            categoryMap[TokenCategory.Identifier] = registry.GetClassificationType(PredefinedClassificationTypeNames.Identifier);
            categoryMap[TokenCategory.Operator] = _operator = registry.GetClassificationType(PredefinedClassificationTypeNames.Operator);
            categoryMap[TokenCategory.Delimiter] = registry.GetClassificationType(PredefinedClassificationTypeNames.Operator);
            categoryMap[TokenCategory.Grouping] = registry.GetClassificationType(PredefinedClassificationTypeNames.Operator);
            categoryMap[TokenCategory.WhiteSpace] = registry.GetClassificationType(PredefinedClassificationTypeNames.WhiteSpace);
            categoryMap[TokenCategory.RegularExpressionLiteral] = registry.GetClassificationType(PredefinedClassificationTypeNames.Literal);
            _openGroupingClassification = registry.GetClassificationType(DlrPredefinedClassificationTypeNames.OpenGrouping);
            _loseGroupingClassification = registry.GetClassificationType(DlrPredefinedClassificationTypeNames.CloseGrouping);
            _commaClassification = registry.GetClassificationType(DlrPredefinedClassificationTypeNames.Comma);
            _dotClassification = registry.GetClassificationType(DlrPredefinedClassificationTypeNames.Dot);
            
            return categoryMap;
        }
    }