/// <summary>
/// Based on our current token, determine how much of it should be replaced
/// </summary>
/// <param name="intellisenseData"></param>
/// <param name="tokenStart"></param>
/// <param name="tokenEnd"></param>
/// <param name="validNames"></param>
/// <returns></returns>
internal static int GetReplacementLength(IntellisenseData.IntellisenseData intellisenseData, int tokenStart, int tokenEnd, IEnumerable <string> validNames)
{
Contracts.AssertValue(intellisenseData);
Contracts.Assert(tokenStart <= intellisenseData.CursorPos);
Contracts.Assert(intellisenseData.CursorPos <= tokenEnd);
Contracts.Assert(tokenEnd <= intellisenseData.Script.Length);
Contracts.AssertAllNonEmpty(validNames);
int cursorPos = intellisenseData.CursorPos;
// If the cursor is at the start of a token, then do not replace anything
if (tokenStart == intellisenseData.CursorPos)
{
return(0);
}
string forwardOverwrittenText = intellisenseData.Script.Substring(cursorPos, tokenEnd - cursorPos);
foreach (var validName in validNames)
{
Contracts.AssertNonEmpty(validName);
if (validName == forwardOverwrittenText)
{
return(cursorPos - tokenStart); // If the remaining text of the token is a valid name, we shouldn't overwrite it
}
}
return(tokenEnd - tokenStart);
}
private IIntellisenseResult Finalize(IIntellisenseContext context, IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(context);
Contracts.AssertValue(intellisenseData);
DType expectedType = intellisenseData.ExpectedType;
TypeMatchPriority(expectedType, intellisenseData.Suggestions);
TypeMatchPriority(expectedType, intellisenseData.SubstringSuggestions);
intellisenseData.Suggestions.Sort();
intellisenseData.SubstringSuggestions.Sort();
List <IntellisenseSuggestion> resultSuggestions = intellisenseData.Suggestions.Distinct().ToList();
IEnumerable <IntellisenseSuggestion> resultSubstringSuggestions = intellisenseData.SubstringSuggestions.Distinct();
resultSuggestions.AddRange(resultSubstringSuggestions);
TypeFilter(expectedType, intellisenseData.MatchingStr, ref resultSuggestions);
foreach (var handler in intellisenseData.CleanupHandlers)
{
handler.Run(context, intellisenseData, resultSuggestions);
}
return(new IntellisenseResult(intellisenseData, resultSuggestions));
}
/// <summary>
/// Adds suggestions for an enum, with an optional prefix.
/// </summary>
/// <param name="intellisenseData"></param>
/// <param name="enumInfo"></param>
/// <param name="prefix"></param>
internal static void AddSuggestionsForEnum(IntellisenseData.IntellisenseData intellisenseData, EnumSymbol enumInfo, string prefix = "")
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(enumInfo);
Contracts.AssertValue(prefix);
bool anyCollisionExists = false;
var locNameTypePairs = new List <Tuple <String, DType> >();
// We do not need to get the localized names since GetNames will only return invariant.
// Instead, we use the invariant names later with the enumInfo to retrieve the localized name.
foreach (var typedName in enumInfo.EnumType.GetNames(DPath.Root))
{
string locName;
enumInfo.TryGetLocValueName(typedName.Name.Value, out locName).Verify();
string escapedLocName = TexlLexer.EscapeName(locName);
var collisionExists = intellisenseData.DoesNameCollide(locName);
if (collisionExists)
{
string candidate = prefix + escapedLocName;
bool canAddSuggestion = _addSuggestionDryRunHelper.AddSuggestion(intellisenseData, candidate, SuggestionKind.Global, SuggestionIconKind.Other, typedName.Type, false);
anyCollisionExists = anyCollisionExists || canAddSuggestion;
}
locNameTypePairs.Add(new Tuple <String, DType>(escapedLocName, typedName.Type));
}
foreach (var locNameTypePair in locNameTypePairs)
{
string suggestion = anyCollisionExists || !intellisenseData.SuggestUnqualifiedEnums ? prefix + locNameTypePair.Item1 : locNameTypePair.Item1;
AddSuggestion(intellisenseData, suggestion, SuggestionKind.Global, SuggestionIconKind.Other, locNameTypePair.Item2, false);
}
}
public static void AddSuggestionsForUnaryOperatorKeyWords(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
// TASK: 76039: Intellisense: Update intellisense to filter suggestions based on the expected type of the text being typed in UI
IntellisenseHelper.AddSuggestionsForMatches(intellisenseData, TexlLexer.LocalizedInstance.GetUnaryOperatorKeywords(), SuggestionKind.KeyWord, SuggestionIconKind.Other, requiresSuggestionEscaping: false);
}
/// <summary>
/// Adds suggestions that start with the matchingString from the result from the types in scope.
/// </summary>
internal static bool AddSuggestionsForTopLevel(IntellisenseData.IntellisenseData intellisenseData, TexlNode node)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(node);
return(AddTopLevelSuggestionsForGivenNode(intellisenseData, node, node));
}
internal static DType GetEnumType(IntellisenseData.IntellisenseData intellisenseData, TexlNode node)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(node);
DottedNameNode dottedNode;
FirstNameNode firstNameNode;
if ((dottedNode = node.AsDottedName()) != null)
{
return(intellisenseData.Binding.GetType(dottedNode.Left));
}
if ((firstNameNode = node.AsFirstName()) != null)
{
FirstNameInfo firstNameInfo = intellisenseData.Binding.GetInfo(firstNameNode).VerifyValue();
DPath parent = firstNameInfo.Path.Parent;
if (!parent.Name.IsValid)
{
return(DType.Unknown);
}
if (intellisenseData.TryGetEnumSymbol(parent.Name, intellisenseData.Binding, out EnumSymbol enumSymbol))
{
return(enumSymbol.EnumType);
}
}
return(DType.Unknown);
}
/// <summary>
/// Adds suggestions as appropriate to the internal Suggestions and SubstringSuggestions lists of intellisenseData.
/// Returns true if intellisenseData is handled and no more suggestions are to be found and false otherwise.
/// </summary>
public bool Run(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(intellisenseData.CurNode);
if (intellisenseData.CurNode.Kind != NodeKind.StrLit && intellisenseData.CurNode.Kind != NodeKind.NumLit)
{
return(false);
}
TexlNode curNode = intellisenseData.CurNode;
int cursorPos = intellisenseData.CursorPos;
var tokenSpan = curNode.Token.Span;
// Should not suggest anything if the cursor is before the string/number.
if (cursorPos > tokenSpan.Lim && IntellisenseHelper.CanSuggestAfterValue(cursorPos, intellisenseData.Script))
{
// Cursor is after the current node's token.
// Suggest binary kewords.
DType operandType = curNode.Kind == NodeKind.StrLit ? DType.String : DType.Number;
IntellisenseHelper.AddSuggestionsForAfterValue(intellisenseData, operandType);
}
else if (cursorPos > tokenSpan.Min)
{
// Cursor is in the middle of the token, Suggest Globals matching the input string or number.
int replacementLength = tokenSpan.Lim - tokenSpan.Min;
intellisenseData.SetMatchArea(tokenSpan.Min, cursorPos, replacementLength);
IntellisenseHelper.AddSuggestionsForGlobals(intellisenseData);
}
return(true);
}
internal override bool TryAddSuggestionsForNodeKind(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
TexlNode curNode = intellisenseData.CurNode;
int cursorPos = intellisenseData.CursorPos;
BoolLitNode boolNode = curNode.CastBoolLit();
var tokenSpan = curNode.Token.Span;
if (cursorPos < tokenSpan.Min)
{
// Cursor is before the token start.
IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, curNode);
}
else if (cursorPos <= tokenSpan.Lim)
{
// Cursor is in the middle of the token.
int replacementLength = tokenSpan.Min == cursorPos ? 0 : tokenSpan.Lim - tokenSpan.Min;
intellisenseData.SetMatchArea(tokenSpan.Min, cursorPos, replacementLength);
intellisenseData.BoundTo = boolNode.Value ? TexlLexer.KeywordTrue : TexlLexer.KeywordFalse;
IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, curNode);
}
else if (IntellisenseHelper.CanSuggestAfterValue(cursorPos, intellisenseData.Script))
{
// Verify that cursor is after a space after the current node's token.
// Suggest binary keywords.
IntellisenseHelper.AddSuggestionsForAfterValue(intellisenseData, DType.Boolean);
}
return(true);
}
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);
}
internal override bool TryAddSuggestionsForNodeKind(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
TexlNode curNode = intellisenseData.CurNode;
int cursorPos = intellisenseData.CursorPos;
// Cursor is in the operation token or before.
// Suggest all value possibilities.
UnaryOpNode unaryOpNode = curNode.CastUnaryOp();
var tokenSpan = unaryOpNode.Token.Span;
if (cursorPos < tokenSpan.Min)
{
return(false);
}
Contracts.Assert(cursorPos >= tokenSpan.Min || cursorPos <= tokenSpan.Lim);
string keyword = TexlParser.GetTokString(unaryOpNode.Token.Kind);
Contracts.Assert(intellisenseData.MatchingLength <= keyword.Length);
var replacementLength = tokenSpan.Min == cursorPos ? 0 : tokenSpan.Lim - tokenSpan.Min;
intellisenseData.SetMatchArea(tokenSpan.Min, cursorPos, replacementLength);
intellisenseData.BoundTo = intellisenseData.MatchingLength == 0 ? string.Empty : keyword;
IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, curNode);
return(true);
}
// Suggest the Globals that can appear in the context of '[@____]'
// Suggesting controls, datasources, appVariables, and enums.
private static void AddSuggestionsForScopedGlobals(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
var suggestions = intellisenseData.AdditionalGlobalSuggestions
.Union(intellisenseData.EnumSymbols.Select(symbol => new KeyValuePair <string, SuggestionIconKind>(symbol.Name, SuggestionIconKind.Other)));
IntellisenseHelper.AddSuggestionsForMatches(intellisenseData, suggestions, SuggestionKind.Global, requiresSuggestionEscaping: true);
}
/// <summary>
/// Suggest possibilities that can come after a value of a certain type.
/// </summary>
internal static void AddSuggestionsForAfterValue(IntellisenseData.IntellisenseData intellisenseData, DType type)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValid(type);
intellisenseData.Suggestions.Clear();
intellisenseData.SubstringSuggestions.Clear();
intellisenseData.SetMatchArea(intellisenseData.ReplacementStartIndex, intellisenseData.ReplacementStartIndex);
AddSuggestionsForMatches(intellisenseData, TexlLexer.LocalizedInstance.GetOperatorKeywords(type), SuggestionKind.BinaryOperator, SuggestionIconKind.Other, requiresSuggestionEscaping: false);
}
internal static void AddSuggestionsForMatches(IntellisenseData.IntellisenseData intellisenseData, IEnumerable <KeyValuePair <string, SuggestionIconKind> > possibilities, SuggestionKind kind, bool requiresSuggestionEscaping, uint sortPriority = 0)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(possibilities);
foreach (var possibility in possibilities)
{
AddSuggestion(intellisenseData, possibility.Key, kind, possibility.Value, DType.Unknown, requiresSuggestionEscaping, sortPriority);
}
}
private static void AddSuggestionsForScopeFields(IntellisenseData.IntellisenseData intellisenseData, DType scope)
{
Contracts.AssertValue(intellisenseData);
Contracts.Assert(scope.IsValid);
foreach (var field in scope.GetNames(DPath.Root))
{
IntellisenseHelper.AddSuggestion(intellisenseData, TexlLexer.PunctuatorAt + TexlLexer.EscapeName(field.Name.Value), SuggestionKind.Field, SuggestionIconKind.Other, field.Type, requiresSuggestionEscaping: false);
}
}
internal override bool TryAddSuggestionsForNodeKind(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
TexlNode curNode = intellisenseData.CurNode;
int cursorPos = intellisenseData.CursorPos;
// Cursor position is after the dot (If it was before the dot FindNode would have returned the left node).
Contracts.Assert(curNode.Token.IsDottedNamePunctuator);
Contracts.Assert(curNode.Token.Span.Lim <= cursorPos);
DottedNameNode dottedNameNode = curNode.CastDottedName();
Identifier ident = dottedNameNode.Right;
string identName = ident.Name;
var leftNode = dottedNameNode.Left;
DType leftType = intellisenseData.Binding.GetType(leftNode);
intellisenseData.BeforeAddSuggestionsForDottedNameNode(leftNode);
bool isOneColumnTable = leftType.IsColumn &&
leftNode.Kind == NodeKind.DottedName &&
leftType.Accepts(intellisenseData.Binding.GetType(((DottedNameNode)leftNode).Left));
if (cursorPos < ident.Token.Span.Min)
{
// Cursor position is before the identifier starts.
// i.e. "this. | Awards"
AddSuggestionsForLeftNodeScope(intellisenseData, leftNode, isOneColumnTable, leftType);
}
else if (cursorPos <= ident.Token.Span.Lim)
{
// Cursor position is in the identifier.
// Suggest fields that don't need to be qualified.
// Identifiers can include open and close brackets and the Token.Span covers them.
// Get the matching string as a substring from the script so that the whitespace is preserved.
intellisenseData.SetMatchArea(ident.Token.Span.Min, cursorPos, ident.Token.Span.Lim - ident.Token.Span.Min);
if (!intellisenseData.Binding.ErrorContainer.HasErrors(dottedNameNode))
{
intellisenseData.BoundTo = identName;
}
AddSuggestionsForLeftNodeScope(intellisenseData, leftNode, isOneColumnTable, leftType);
}
else if (IntellisenseHelper.CanSuggestAfterValue(cursorPos, intellisenseData.Script))
{
// Verify that cursor is after a space after the identifier.
// i.e. "this.Awards |"
// Suggest binary operators.
IntellisenseHelper.AddSuggestionsForAfterValue(intellisenseData, intellisenseData.Binding.GetType(dottedNameNode));
}
return(true);
}
/// <summary>
/// Adds suggestions as appropriate to the internal Suggestions and SubstringSuggestions lists of intellisenseData.
/// Returns true if intellisenseData is handled and no more suggestions are to be found and false otherwise.
/// </summary>
public bool Run(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
if (intellisenseData.CurNode != null)
{
return(false);
}
return(IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, null));
}
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);
}
}
/// <summary>
/// Adds suggestions as appropriate to the internal Suggestions and SubstringSuggestions lists of intellisenseData.
/// Returns true if intellisenseData is handled and no more suggestions are to be found and false otherwise.
/// </summary>
public bool Run(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(intellisenseData.CurNode);
if (intellisenseData.CurNode.Kind != _kind)
{
return(false);
}
return(TryAddSuggestionsForNodeKind(intellisenseData));
}
internal static void AddSuggestionsForNamespace(IntellisenseData.IntellisenseData intellisenseData, IEnumerable <TexlFunction> namespaceFunctions)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(namespaceFunctions);
Contracts.AssertAllValues(namespaceFunctions);
foreach (var function in namespaceFunctions)
{
// Note we're using the unqualified name, since we're on the RHS of a "namespace." identifier.
AddSuggestion(intellisenseData, function.Name, SuggestionKind.Function, SuggestionIconKind.Function, function.ReturnType, requiresSuggestionEscaping: true);
}
}
private DType GetAggregateType(TexlFunction func, CallNode callNode, IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(func);
Contracts.AssertValue(callNode);
Contracts.AssertValue(intellisenseData);
if (intellisenseData.TryGetSpecialFunctionType(func, callNode, out var type))
{
return(type);
}
return(intellisenseData.Binding.GetType(callNode.Args.Children[0]));
}
/// <summary>
/// Adds suggestions that start with the matchingString from the top level scope of the binding.
/// </summary>
internal static void AddSuggestionsForRuleScope(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(intellisenseData.Binding);
var scopeType = intellisenseData.ContextScope;
if (scopeType == null)
{
return;
}
IntellisenseHelper.AddTopLevelSuggestions(intellisenseData, scopeType);
}
public bool Run(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
var cursorPos = intellisenseData.CursorPos;
var isCursorInsideComment = intellisenseData.Comments.Where(com => com.Span.Min <= cursorPos && com.Span.Lim >= cursorPos).Any();
if (isCursorInsideComment)
{
// No intellisense for editing comment
return(true);
}
return(false);
}
/// <summary>
/// Adds suggestions for given argument position.
/// Returns true if any function specific suggestions are added to the list. Otherwise false.
/// </summary>
/// <returns></returns>
public static bool TryAddSpecificSuggestionsForGivenArgPosition(IntellisenseData.IntellisenseData intellisenseData, CallNode callNode, int argumentIndex)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(callNode);
Contracts.Assert(argumentIndex >= 0);
CallInfo info = intellisenseData.Binding.GetInfo(callNode);
Contracts.AssertValue(info);
if (callNode.Args.Count < 0 ||
info.Function == null ||
!info.Function.HasSuggestionsForParam(argumentIndex))
{
return(false);
}
// Adding suggestions for callNode arguments from the Function's GetArgumentSuggestions method
// Keep track of the previous suggestion counts so we can tell whether or not we have added any
int countSuggestionsBefore = intellisenseData.Suggestions.Count;
int countSubstringSuggestionsBefore = intellisenseData.SubstringSuggestions.Count;
// If the function has specific suggestions for the argument,
// indicate it to the caller.
var function = info.Function;
var suggestionKind = intellisenseData.GetFunctionSuggestionKind(function, argumentIndex);
bool requiresSuggestionEscaping;
ErrorNode err;
if (argumentIndex >= 0 && argumentIndex < callNode.Args.Count && ((err = callNode.Args.Children[argumentIndex].AsError()) != null) &&
err.Token.Span.StartsWith(intellisenseData.Script, "\""))
{
intellisenseData.CleanupHandlers.Add(new StringSuggestionHandler(err.Token.Span.Min));
}
DType scopeType = ScopeTypeForArgumentSuggestions(callNode, intellisenseData);
var argSuggestions = intellisenseData.GetArgumentSuggestions(function, scopeType, argumentIndex, callNode.Args.Children, out requiresSuggestionEscaping);
foreach (KeyValuePair <string, DType> suggestion in argSuggestions)
{
AddSuggestion(intellisenseData, suggestion.Key, suggestionKind, SuggestionIconKind.Function, suggestion.Value, requiresSuggestionEscaping);
}
return(intellisenseData.Suggestions.Count > countSuggestionsBefore ||
intellisenseData.SubstringSuggestions.Count > countSubstringSuggestionsBefore);
}
// This method has logic to create Types for the TypedNames for a given type
// if that type is Table.
internal static void AddSuggestionsForDottedName(IntellisenseData.IntellisenseData intellisenseData, DType type)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValid(type);
if (intellisenseData.TryAddCustomDottedNameSuggestions(type))
{
return;
}
if (!type.IsTable)
{
IntellisenseHelper.AddTopLevelSuggestions(intellisenseData, type);
return;
}
IntellisenseHelper.AddSuggestionsForNamesInType(type, intellisenseData, createTableSuggestion: true);
}
internal override bool TryAddSuggestionsForNodeKind(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
TexlNode curNode = intellisenseData.CurNode;
// Cursor is in the operation token.
// Suggest binary operators.
BinaryOpNode binaryOpNode = curNode.CastBinaryOp();
var tokenSpan = binaryOpNode.Token.Span;
string keyword = binaryOpNode.Op == BinaryOp.Error ? tokenSpan.GetFragment(intellisenseData.Script) : TexlParser.GetTokString(binaryOpNode.Token.Kind);
int replacementLength = tokenSpan.Min == intellisenseData.CursorPos ? 0 : tokenSpan.Lim - tokenSpan.Min;
intellisenseData.SetMatchArea(tokenSpan.Min, intellisenseData.CursorPos, replacementLength);
intellisenseData.BoundTo = binaryOpNode.Op == BinaryOp.Error ? string.Empty : keyword;
AddSuggestionsForBinaryOperatorKeyWords(intellisenseData);
return(true);
}
internal static void AddSuggestionsForGlobals(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
intellisenseData.AddCustomSuggestionsForGlobals();
// Suggest function namespaces
var namespaces = intellisenseData.Binding.NameResolver.Functions.Select(func => func.Namespace).Distinct();
foreach (var funcNamespace in namespaces)
{
if (funcNamespace == DPath.Root)
{
continue;
}
IntellisenseHelper.AddSuggestion(intellisenseData, funcNamespace.Name, SuggestionKind.Global, SuggestionIconKind.Other, DType.Unknown, requiresSuggestionEscaping: true);
}
}
/// <summary>
/// Adds suggestions that start with the MatchingString from the given type.
/// </summary>
internal static void AddTopLevelSuggestions(IntellisenseData.IntellisenseData intellisenseData, DType type, string prefix = "")
{
Contracts.AssertValue(intellisenseData);
Contracts.Assert(type.IsValid);
Contracts.Assert(prefix.Length == 0 || (TexlLexer.PunctuatorBang + TexlLexer.PunctuatorDot).IndexOf(prefix[prefix.Length - 1]) >= 0);
foreach (TypedName tName in type.GetAllNames(DPath.Root))
{
if (!intellisenseData.TryAddCustomColumnTypeSuggestions(tName.Type))
{
var usedName = tName.Name;
string maybeDisplayName;
if (DType.TryGetDisplayNameForColumn(type, usedName, out maybeDisplayName))
{
usedName = new DName(maybeDisplayName);
}
AddSuggestion(intellisenseData, prefix + TexlLexer.EscapeName(usedName.Value), SuggestionKind.Global, SuggestionIconKind.Other, tName.Type, requiresSuggestionEscaping: false);
}
}
}
internal static bool AddSuggestionsForValuePossibilities(IntellisenseData.IntellisenseData intellisenseData, TexlNode node)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(node);
int suggestionCount = intellisenseData.Suggestions.Count() + intellisenseData.SubstringSuggestions.Count();
IntellisenseHelper.AddSuggestionsForRuleScope(intellisenseData);
IntellisenseHelper.AddSuggestionsForTopLevel(intellisenseData, node);
IntellisenseHelper.AddSuggestionsForFunctions(intellisenseData);
intellisenseData.AddSuggestionsForConstantKeywords();
IntellisenseHelper.AddSuggestionsForGlobals(intellisenseData);
intellisenseData.AfterAddSuggestionsForGlobals();
IntellisenseHelper.AddSuggestionsForUnaryOperatorKeyWords(intellisenseData);
intellisenseData.AfterAddSuggestionsForUnaryOperatorKeywords();
IntellisenseHelper.AddSuggestionsForEnums(intellisenseData);
intellisenseData.AddCustomSuggestionsForValuePossibilities();
return(suggestionCount < (intellisenseData.Suggestions.Count() + intellisenseData.SubstringSuggestions.Count()));
}
/// <summary>
/// Adds suggestions for type scoped at current cursor position.
/// </summary>
public static void AddTopLevelSuggestionsForCursorType(IntellisenseData.IntellisenseData intellisenseData, CallNode callNode, int argPosition)
{
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(callNode);
Contracts.Assert(argPosition >= 0);
CallInfo info = intellisenseData.Binding.GetInfo(callNode);
Contracts.AssertValue(info);
DType type = info.CursorType;
// Suggestions are added for the error nodes in the next step.
if (info.Function != null &&
argPosition <= info.Function.MaxArity &&
info.Function.IsLambdaParam(argPosition) &&
!info.Function.HasSuggestionsForParam(argPosition) &&
type.IsValid)
{
if (info.Function.IsLambdaParam(argPosition) && type.ContainsDataEntityType(DPath.Root))
{
bool error = false;
type = type.DropAllOfTableRelationships(ref error, DPath.Root);
if (error)
{
return;
}
}
if (info.ScopeIdentifier != default)
{
AddSuggestion(intellisenseData, info.ScopeIdentifier, SuggestionKind.Global, SuggestionIconKind.Other, type, requiresSuggestionEscaping: false);
}
if (!info.RequiresScopeIdentifier)
{
AddTopLevelSuggestions(intellisenseData, type);
}
}
}
public static DType ScopeTypeForArgumentSuggestions(CallNode callNode, IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(callNode);
Contracts.AssertValue(intellisenseData);
var info = intellisenseData.Binding.GetInfo(callNode);
if (info.Function.UseParentScopeForArgumentSuggestions)
{
return(ClosestParentScopeTypeForSuggestions(callNode, intellisenseData));
}
if (callNode.Args.Count <= info.Function.SuggestionTypeReferenceParamIndex)
{
return(DType.Unknown);
}
TexlNode referenceArg = callNode.Args.Children[info.Function.SuggestionTypeReferenceParamIndex];
return(info.Function.UsesEnumNamespace ? GetEnumType(intellisenseData, referenceArg) : intellisenseData.Binding.GetType(referenceArg));
}
