private void AddSuggestionsForLeftNodeScope(IntellisenseData.IntellisenseData intellisenseData, TexlNode leftNode, bool isOneColumnTable, DType leftType)
            {
                Contracts.AssertValue(intellisenseData);
                Contracts.AssertValue(leftNode);
                Contracts.AssertValue(leftType);

                if (!intellisenseData.TryAddSuggestionsForLeftNodeScope(leftNode))
                {
                    if (TryGetEnumInfo(intellisenseData, leftNode, intellisenseData.Binding, out EnumSymbol enumInfo))
                    {
                        IntellisenseHelper.AddSuggestionsForEnum(intellisenseData, enumInfo);
                    }
                    else if (TryGetNamespaceFunctions(leftNode, intellisenseData.Binding, out IEnumerable <TexlFunction> namespaceFunctions))
                    {
                        AddSuggestionsForNamespace(intellisenseData, namespaceFunctions);
                    }
                    else if (TryGetLocalScopeInfo(leftNode, intellisenseData.Binding, out ScopedNameLookupInfo info))
                    {
                        IntellisenseHelper.AddTopLevelSuggestions(intellisenseData, info.Type);
                    }
                    else if (!isOneColumnTable)
                    {
                        AddSuggestionsForDottedName(intellisenseData, leftType);
                    }
                }

                intellisenseData.OnAddedSuggestionsForLeftNodeScope(leftNode);
            }
Пример #2
0
        public static void AddSuggestionsForEnums(IntellisenseData.IntellisenseData intellisenseData)
        {
            Contracts.AssertValue(intellisenseData);

            var suggestions          = intellisenseData.Suggestions;
            var substringSuggestions = intellisenseData.SubstringSuggestions;
            int countSuggBefore      = suggestions.Count;
            int countSubSuggBefore   = substringSuggestions.Count;

            foreach (var enumInfo in intellisenseData.EnumSymbols)
            {
                var enumType = enumInfo.EnumType;
                var enumName = enumInfo.Name;

                // TASK: 76039: Intellisense: Update intellisense to filter suggestions based on the expected type of the text being typed in UI
                IntellisenseHelper.AddSuggestion(intellisenseData, enumName, SuggestionKind.Enum, SuggestionIconKind.Other, enumType, requiresSuggestionEscaping: true);

                IntellisenseHelper.AddSuggestionsForEnum(intellisenseData, enumInfo, prefix: enumName + TexlLexer.PunctuatorDot);
            }

            if (suggestions.Count + substringSuggestions.Count == countSuggBefore + countSubSuggBefore + 1 && intellisenseData.SuggestUnqualifiedEnums)
            {
                string enumSuggestion = suggestions.Count > countSuggBefore ? suggestions[countSuggBefore].Text : substringSuggestions[countSubSuggBefore].Text;
                int    dotIndex       = enumSuggestion.LastIndexOf(TexlLexer.PunctuatorDot);

                // Assert '.' is not present or not at the beginning or the end of the EnumSuggestion
                Contracts.Assert(dotIndex == -1 || (0 < dotIndex && dotIndex < enumSuggestion.Length - 1));
                var unqualifiedEnum = enumSuggestion.Substring(dotIndex + 1);
                // If the Enum we are about suggest unqualified (i.e. just 'Blue' instead of Color!Blue)
                // has a name collision with some Item already in the suggestionlist we should not continue
                // and suggest it.
                if (suggestions.Any(x => x.Text == unqualifiedEnum) || substringSuggestions.Any(x => x.Text == unqualifiedEnum))
                {
                    return;
                }

                DType enumType;
                if (suggestions.Count > countSuggBefore)
                {
                    enumType = suggestions[countSuggBefore].Type;
                    suggestions.RemoveAt(suggestions.Count - 1);
                }
                else
                {
                    Contracts.Assert(substringSuggestions.Count > countSubSuggBefore);
                    enumType = substringSuggestions[countSubSuggBefore].Type;
                    substringSuggestions.RemoveAt(substringSuggestions.Count - 1);
                }

                // Add the unqualified Enum.
                // Note: The suggestion has already been escaped when it was previously added
                IntellisenseHelper.AddSuggestion(intellisenseData, unqualifiedEnum, SuggestionKind.Enum, SuggestionIconKind.Other, enumType, requiresSuggestionEscaping: false);
            }
        }