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);
}
/// <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;
// 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);
}
/// <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 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);
}
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 override bool TryAddSuggestionsForNodeKind(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
TexlNode curNode = intellisenseData.CurNode;
int cursorPos = intellisenseData.CursorPos;
FirstNameNode firstNameNode = curNode.CastFirstName();
Identifier ident = firstNameNode.Ident;
int min = ident.Token.Span.Min;
IdentToken tok = ident.Token;
if (cursorPos < min)
{
// Cursor is before the beginning of the identifier or of the global token if present.
// Suggest possibilities that can result in a value.
IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, curNode);
intellisenseData.AddAdditionalSuggestionsForKeywordSymbols(curNode);
}
else if (cursorPos <= tok.Span.Lim)
{
// Cursor is part of the identifier or global token if present.
// Get the matching string as a substring from the script so that the whitespace is preserved.
IEnumerable <string> possibleFirstNames = intellisenseData.Binding.GetFirstNames().Select(firstNameInfo => firstNameInfo.Name.Value)
.Union(intellisenseData.Binding.GetGlobalNames().Select(firstNameInfo => firstNameInfo.Name.Value))
.Union(intellisenseData.Binding.GetAliasNames().Select(firstNameInfo => firstNameInfo.Name.Value))
.Union(intellisenseData.SuggestableFirstNames);
int replacementLength = IntellisenseHelper.GetReplacementLength(intellisenseData, tok.Span.Min, tok.Span.Lim, possibleFirstNames);
intellisenseData.SetMatchArea(tok.Span.Min, cursorPos, replacementLength);
intellisenseData.BoundTo = intellisenseData.Binding.ErrorContainer.HasErrors(firstNameNode) ? string.Empty : ident.Name;
if (ident.AtToken != null || tok.Kind == TokKind.At)
{
// Suggest globals if cursor is after '@'.
AddSuggestionsForScopedGlobals(intellisenseData);
}
else if (tok.HasDelimiters && cursorPos > tok.Span.Min)
{
// Suggest top level fields and globals if cursor is after a opening square bracket.
IntellisenseHelper.AddSuggestionsForRuleScope(intellisenseData);
IntellisenseHelper.AddSuggestionsForTopLevel(intellisenseData, curNode);
IntellisenseHelper.AddSuggestionsForGlobals(intellisenseData);
intellisenseData.AddAdditionalSuggestionsForLocalSymbols();
}
else
{
// Suggest value posssibilities otherwise.
IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, curNode);
}
intellisenseData.AddAdditionalSuggestionsForKeywordSymbols(curNode);
}
else if (IsBracketOpen(tok.Span.Lim, cursorPos, intellisenseData.Script))
{
AddSuggestionsForScopeFields(intellisenseData, intellisenseData.Binding.GetType(firstNameNode));
}
else if (IntellisenseHelper.CanSuggestAfterValue(cursorPos, intellisenseData.Script))
{
// Verify that cursor is after a space after the identifier.
// Suggest binary keywords.
IntellisenseHelper.AddSuggestionsForAfterValue(intellisenseData, intellisenseData.Binding.GetType(firstNameNode));
}
return(true);
}
internal override bool TryAddSuggestionsForNodeKind(IntellisenseData.IntellisenseData intellisenseData)
{
Contracts.AssertValue(intellisenseData);
TexlNode curNode = intellisenseData.CurNode;
int cursorPos = intellisenseData.CursorPos;
CallNode callNode = curNode.CastCall();
int spanMin = callNode.Head.Token.Span.Min;
int spanLim = callNode.Head.Token.Span.Lim;
// Handling the special case for service functions with non-empty namespaces.
// We have to consider the namespace as the begining of the callNode for intellisense purposes.
if (callNode.HeadNode != null)
{
var dottedNode = callNode.HeadNode.AsDottedName();
spanMin = dottedNode.Left.Token.Span.Min;
spanLim = dottedNode.Right.Token.Span.Lim;
}
if (cursorPos < spanMin)
{
// Cursor is before the head
// i.e. "| Filter(....)"
// Suggest possibilities that can result in a value.
IntellisenseHelper.AddSuggestionsForValuePossibilities(intellisenseData, callNode);
}
else if (cursorPos <= spanLim)
{
// Cursor is in the head.
// Suggest function names.
// Get the matching string as a substring from the script so that the whitespace is preserved.
int replacementLength = IntellisenseHelper.GetReplacementLength(intellisenseData, spanMin, spanLim, intellisenseData.Binding.NameResolver.Functions.Select(function => function.Name));
// If we are replacing the full token, also include the opening paren (since this will be provided by the suggestion)
if (replacementLength == spanLim - spanMin)
{
replacementLength += TexlLexer.PunctuatorParenOpen.Length;
}
intellisenseData.SetMatchArea(spanMin, cursorPos, replacementLength);
intellisenseData.BoundTo = intellisenseData.Binding.ErrorContainer.HasErrors(callNode) ? string.Empty : callNode.Head.Name;
IntellisenseHelper.AddSuggestionsForFunctions(intellisenseData);
}
else if (callNode.Token.Span.Lim > cursorPos || callNode.ParenClose == null)
{
// Handling the erroneous case when user enters a space after functionName and cursor is after space.
// Cursor is before the open paren of the function.
// Eg: "Filter | (" AND "Filter | (some Table, some predicate)"
return(false);
}
else
{
// If there was no closed parenthesis we would have an error node.
Contracts.Assert(callNode.ParenClose != null);
if (cursorPos <= callNode.ParenClose.Span.Min)
{
// Cursor position is before the closed parenthesis and there are no arguments.
// If there were arguments FindNode should have returned one of those.
if (intellisenseData.CurFunc != null && intellisenseData.CurFunc.MaxArity > 0)
{
IntellisenseHelper.AddSuggestionsForTopLevel(intellisenseData, callNode);
}
}
else if (IntellisenseHelper.CanSuggestAfterValue(cursorPos, intellisenseData.Script))
{
// Verify that cursor is after a space after the closed parenthesis and
// suggest binary operators.
IntellisenseHelper.AddSuggestionsForAfterValue(intellisenseData, intellisenseData.Binding.GetType(callNode));
}
}
return(true);
}
public bool Run(IIntellisenseContext context, IntellisenseData.IntellisenseData intellisenseData, List <IntellisenseSuggestion> suggestions)
{
Contracts.AssertValue(context);
Contracts.AssertValue(context.InputText);
Contracts.AssertValue(intellisenseData);
Contracts.AssertValue(suggestions);
string script = context.InputText;
Contracts.Assert(_tokenStartIndex < script.Length);
if (_requireTokenStartWithQuote && script[_tokenStartIndex] != '"')
{
return(false);
}
int matchEndIndex = -1;
bool foundAny = false;
var iterateSuggestions = suggestions.ToArray();
foreach (var suggestion in iterateSuggestions)
{
int i, j;
bool found = false;
for (i = _tokenStartIndex, j = 0; i < script.Length; i++, j++)
{
if (j >= suggestion.Text.Length)
{
// The input text for this parameter has exceeded the suggestion and we should filter it out
found = false;
break;
}
if (script[i] != suggestion.Text[j])
{
string curChar = script.Substring(i, 1);
if (curChar != TexlLexer.PunctuatorParenClose && curChar != TexlLexer.LocalizedInstance.LocalizedPunctuatorListSeparator)
{
found = false;
}
break;
}
found = true;
}
foundAny |= found;
if (found && matchEndIndex < i)
{
matchEndIndex = i;
}
if (!found && i != script.Length)
{
suggestions.Remove(suggestion);
}
}
if (!foundAny || matchEndIndex <= _tokenStartIndex)
{
return(false);
}
intellisenseData.Suggestions.Clear();
intellisenseData.SubstringSuggestions.Clear();
intellisenseData.SetMatchArea(_tokenStartIndex, matchEndIndex);
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 (!TryGetRecordNodeWithinACallNode(intellisenseData.CurNode, out RecordNode recordNode, out CallNode callNode))
{
return(false);
}
// For the special case of an identifier of a record which is an argument of a function, we can
// utilize the data provided to suggest relevant column names
int cursorPos = intellisenseData.CursorPos;
bool suggestionsAdded = false;
Contracts.AssertValue(recordNode);
Contracts.AssertValue(callNode);
Identifier columnName = GetRecordIdentifierForCursorPosition(cursorPos, recordNode, intellisenseData.Script);
if (columnName == null)
{
return(false);
}
if (columnName.Token.Span.Min <= cursorPos)
{
var tokenSpan = columnName.Token.Span;
int replacementLength = tokenSpan.Min == cursorPos ? 0 : tokenSpan.Lim - tokenSpan.Min;
intellisenseData.SetMatchArea(tokenSpan.Min, cursorPos, replacementLength);
}
CallInfo info = intellisenseData.Binding.GetInfo(callNode);
var func = info.Function;
if (func == null || !intellisenseData.IsFunctionElligibleForRecordSuggestions(func))
{
return(false);
}
// Adding suggestions for callNode arguments which reference a collection's columns
if (func.CanSuggestInputColumns)
{
DType aggregateType = GetAggregateType(func, callNode, intellisenseData);
if (aggregateType.HasErrors || !aggregateType.IsAggregate)
{
return(false);
}
if (aggregateType.ContainsDataEntityType(DPath.Root))
{
bool error = false;
aggregateType = aggregateType.DropAllOfTableRelationships(ref error, DPath.Root);
if (error)
{
return(false);
}
}
foreach (TypedName tName in aggregateType.GetNames(DPath.Root))
{
var usedName = tName.Name;
string maybeDisplayName;
if (DType.TryGetDisplayNameForColumn(aggregateType, usedName, out maybeDisplayName))
{
usedName = new DName(maybeDisplayName);
}
string suggestion = TexlLexer.EscapeName(usedName.Value) + (IntellisenseHelper.IsPunctuatorColonNextToCursor(cursorPos, intellisenseData.Script) ? "" : TexlLexer.PunctuatorColon);
suggestionsAdded |= IntellisenseHelper.AddSuggestion(intellisenseData, suggestion, SuggestionKind.Field, SuggestionIconKind.Other, DType.String, requiresSuggestionEscaping: false);
}
return(suggestionsAdded && columnName != null);
}
return(intellisenseData.TryAddFunctionRecordSuggestions(func, callNode, columnName));
}
