private static async Task <Document> GetTransformedDocumentAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var syntaxRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var violatingAttribute = (AttributeSyntax)syntaxRoot.FindNode(diagnostic.Location.SourceSpan).Parent;
var attributeList = (AttributeListSyntax)violatingAttribute.Parent;
var newAttributeLists = new List <AttributeListSyntax>();
var indentationOptions = IndentationOptions.FromDocument(document);
var indentationSteps = IndentationHelper.GetIndentationSteps(indentationOptions, attributeList);
var indentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, indentationSteps);
for (var i = 0; i < attributeList.Attributes.Count; i++)
{
var newAttributes = SyntaxFactory.SingletonSeparatedList(attributeList.Attributes[i]);
var newAttributeList = SyntaxFactory.AttributeList(attributeList.Target, newAttributes);
newAttributeList = (i == 0)
? newAttributeList.WithLeadingTrivia(attributeList.GetLeadingTrivia())
: newAttributeList.WithLeadingTrivia(indentationTrivia);
newAttributeList = (i == (attributeList.Attributes.Count - 1))
? newAttributeList.WithTrailingTrivia(attributeList.GetTrailingTrivia())
: newAttributeList.WithTrailingTrivia(SyntaxFactory.CarriageReturnLineFeed);
newAttributeLists.Add(newAttributeList);
}
var newSyntaxRoot = syntaxRoot.ReplaceNode(attributeList, newAttributeLists);
var newDocument = document.WithSyntaxRoot(newSyntaxRoot.WithoutFormatting());
return(newDocument);
}
protected override async Task <SyntaxNode> FixAllInDocumentAsync(FixAllContext fixAllContext, Document document, ImmutableArray <Diagnostic> diagnostics)
{
if (diagnostics.IsEmpty)
{
return(null);
}
var syntaxRoot = await document.GetSyntaxRootAsync(fixAllContext.CancellationToken).ConfigureAwait(false);
var settings = SettingsHelper.GetStyleCopSettings(document.Project.AnalyzerOptions, syntaxRoot.SyntaxTree, fixAllContext.CancellationToken);
// 🐉 Need to eagerly evaluate this with ToList() to ensure nodes are not garbage collected between the
// call to TrackNodes and subsequent enumeration.
var nodes = diagnostics.Select(diagnostic => syntaxRoot.FindNode(diagnostic.Location.SourceSpan, getInnermostNodeForTie: true).FirstAncestorOrSelf <AttributeListSyntax>()).ToList();
var newRoot = syntaxRoot.TrackNodes(nodes);
foreach (var attributeList in nodes)
{
var indentationSteps = IndentationHelper.GetIndentationSteps(settings.Indentation, attributeList);
var indentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(settings.Indentation, indentationSteps);
newRoot = newRoot.ReplaceNode(newRoot.GetCurrentNode(attributeList), GetNewAttributeList(attributeList, indentationTrivia));
}
return(newRoot);
}
private static void ReformatStatement(IndentationSettings indentationSettings, StatementSyntax statement, Dictionary <SyntaxToken, SyntaxToken> tokenReplaceMap)
{
var indentationLevel = DetermineIndentationLevel(indentationSettings, tokenReplaceMap, statement);
// use one additional step of indentation for lambdas / anonymous methods
switch (statement.Parent.Kind())
{
case SyntaxKind.AnonymousMethodExpression:
case SyntaxKind.SimpleLambdaExpression:
case SyntaxKind.ParenthesizedLambdaExpression:
indentationLevel++;
break;
}
var statementIndentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationLevel + 1);
var newFirstTokenLeadingTrivia = statement.GetFirstToken().LeadingTrivia
.WithoutTrailingWhitespace()
.Add(statementIndentationTrivia);
var newLastTokenTrailingTrivia = statement.GetLastToken().TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
AddToReplaceMap(tokenReplaceMap, statement.GetFirstToken(), statement.GetFirstToken().WithLeadingTrivia(newFirstTokenLeadingTrivia));
AddToReplaceMap(tokenReplaceMap, statement.GetLastToken(), statement.GetLastToken().WithTrailingTrivia(newLastTokenTrailingTrivia));
}
/// <summary>
/// Gets a whitespace trivia containing the proper amount of indentation for new lines in the given query.
/// </summary>
/// <param name="indentationOptions">The indentation options to use.</param>
/// <param name="queryExpression">The query expression to determine indentation from.</param>
/// <returns>A whitespace trivia containing the proper amount of indentation.</returns>
internal static SyntaxTrivia GetQueryIndentationTrivia(IndentationOptions indentationOptions, QueryExpressionSyntax queryExpression)
{
var firstTokenOnTextLine = IndentationHelper.GetFirstTokenOnTextLine(queryExpression.FromClause.FromKeyword);
var indentationSteps = IndentationHelper.GetIndentationSteps(indentationOptions, firstTokenOnTextLine);
// add an extra indentation step when the first from clause is not properly indented yet
if (!firstTokenOnTextLine.IsKind(SyntaxKind.OpenParenToken) && (firstTokenOnTextLine != queryExpression.FromClause.FromKeyword))
{
indentationSteps++;
}
return(IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, indentationSteps));
}
private static SyntaxNode ReformatAccessorAsMultipleLines(IndentationSettings indentationSettings, AccessorDeclarationSyntax accessor)
{
var accessorList = (AccessorListSyntax)accessor.Parent;
var indentationSteps = IndentationHelper.GetIndentationSteps(indentationSettings, accessorList.OpenBraceToken) + 1;
var indentation = IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationSteps);
var indentationStatements = IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationSteps + 1);
var newAccessor = accessor
.WithModifiers(ReformatModifiersAsMultipleLines(accessor.Modifiers, indentation))
.WithKeyword(ReformatKeywordAsMultipleLines(accessor.Keyword, indentation, accessor.Modifiers.Count == 0))
.WithBody(ReformatBodyAsMultipleLines(accessor.Body, indentation, indentationStatements));
return(newAccessor);
}
private static SyntaxNode ReformatAccessorAsSingleLine(IndentationSettings indentationSettings, AccessorDeclarationSyntax accessor)
{
var newAccessor = accessor
.WithModifiers(ReformatModifiersAsSingleLine(accessor.Modifiers))
.WithKeyword(ReformatKeywordAsSingleLine(accessor.Keyword))
.WithBody(ReformatBodyAsSingleLine(accessor.Body));
var accessorList = (AccessorListSyntax)accessor.Parent;
var indentationSteps = IndentationHelper.GetIndentationSteps(indentationSettings, accessorList.OpenBraceToken);
var indentation = IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationSteps + 1);
newAccessor = newAccessor.WithLeadingTrivia(newAccessor.GetLeadingTrivia().Insert(0, indentation));
return(newAccessor);
}
private static void ReformatStatementAndSurroundings(StatementSyntax statement, IndentationSettings indentationSettings, Dictionary <SyntaxToken, SyntaxToken> tokenReplaceMap)
{
var block = statement as BlockSyntax;
var previousToken = statement.GetFirstToken().GetPreviousToken();
var previousTokenEndLine = previousToken.GetEndLine();
var statementStartLine = statement.GetFirstToken().GetLine();
if (previousTokenEndLine == statementStartLine)
{
var newTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
AddToReplaceMap(tokenReplaceMap, previousToken, previousToken.WithTrailingTrivia(newTrailingTrivia));
}
if (block != null)
{
ReformatBlock(indentationSettings, block, tokenReplaceMap);
}
else
{
ReformatStatement(indentationSettings, statement, tokenReplaceMap);
}
var nextToken = statement.GetLastToken().GetNextToken();
if ((block != null) && nextToken.IsKind(SyntaxKind.SemicolonToken))
{
// skip trailing semicolon tokens for blocks
nextToken = nextToken.GetNextToken();
}
var nextTokenStartLine = nextToken.GetLine();
var statementEndLine = statement.GetLastToken().GetEndLine();
if (nextTokenStartLine == statementEndLine)
{
var indentationLevel = DetermineIndentationLevel(indentationSettings, tokenReplaceMap, statement);
var indentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationLevel);
AddToReplaceMap(tokenReplaceMap, nextToken, nextToken.WithLeadingTrivia(indentationTrivia));
}
}
private static async Task <Document> GetTransformedDocumentAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var syntaxRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var nodeInSourceSpan = syntaxRoot.FindNode(diagnostic.Location.SourceSpan, getInnermostNodeForTie: true);
AttributeListSyntax attributeList = nodeInSourceSpan.FirstAncestorOrSelf <AttributeListSyntax>();
var settings = SettingsHelper.GetStyleCopSettings(document.Project.AnalyzerOptions, cancellationToken);
var indentationSteps = IndentationHelper.GetIndentationSteps(settings.Indentation, attributeList);
var indentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(settings.Indentation, indentationSteps);
List <AttributeListSyntax> newAttributeLists = GetNewAttributeList(attributeList, indentationTrivia);
var newSyntaxRoot = syntaxRoot.ReplaceNode(attributeList, newAttributeLists);
var newDocument = document.WithSyntaxRoot(newSyntaxRoot.WithoutFormatting());
return(newDocument);
}
private static async Task <Document> GetTransformedDocumentAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var syntaxRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var settings = SettingsHelper.GetStyleCopSettings(document.Project.AnalyzerOptions, syntaxRoot.SyntaxTree, cancellationToken);
var attributeListSyntax = (AttributeListSyntax)syntaxRoot.FindNode(diagnostic.Location.SourceSpan);
// use the containing type to determine the indentation level, anything else is less reliable.
var containingType = attributeListSyntax.Parent?.Parent;
var indentationSteps = (containingType != null) ? IndentationHelper.GetIndentationSteps(settings.Indentation, containingType) + 1 : 0;
var indentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(settings.Indentation, indentationSteps);
var tokensToReplace = new Dictionary <SyntaxToken, SyntaxToken>();
if (diagnostic.Properties.ContainsKey(SA1134AttributesMustNotShareLine.FixWithNewLineBeforeKey))
{
var token = attributeListSyntax.OpenBracketToken;
var prevToken = token.GetPreviousToken();
tokensToReplace[prevToken] = prevToken.WithTrailingTrivia(prevToken.TrailingTrivia.WithoutTrailingWhitespace().Add(SyntaxFactory.CarriageReturnLineFeed));
var newLeadingTrivia = token.LeadingTrivia.Insert(0, indentationTrivia);
tokensToReplace[token] = token.WithLeadingTrivia(newLeadingTrivia);
}
if (diagnostic.Properties.ContainsKey(SA1134AttributesMustNotShareLine.FixWithNewLineAfterKey))
{
var token = attributeListSyntax.CloseBracketToken;
var nextToken = token.GetNextToken();
tokensToReplace[token] = token.WithTrailingTrivia(token.TrailingTrivia.WithoutTrailingWhitespace().Add(SyntaxFactory.CarriageReturnLineFeed));
var newLeadingTrivia = nextToken.LeadingTrivia.Insert(0, indentationTrivia);
tokensToReplace[nextToken] = nextToken.WithLeadingTrivia(newLeadingTrivia);
}
var newSyntaxRoot = syntaxRoot.ReplaceTokens(tokensToReplace.Keys, (original, rewritten) => tokensToReplace[original]);
var newDocument = document.WithSyntaxRoot(newSyntaxRoot.WithoutFormatting());
return(newDocument);
}
protected override async Task <SyntaxNode> FixAllInDocumentAsync(FixAllContext fixAllContext, Document document, ImmutableArray <Diagnostic> diagnostics)
{
if (diagnostics.IsEmpty)
{
return(null);
}
var indentationOptions = IndentationOptions.FromDocument(document);
var syntaxRoot = await document.GetSyntaxRootAsync(fixAllContext.CancellationToken).ConfigureAwait(false);
var nodes = diagnostics.Select(diagnostic => syntaxRoot.FindNode(diagnostic.Location.SourceSpan, getInnermostNodeForTie: true).FirstAncestorOrSelf <AttributeListSyntax>());
var newRoot = syntaxRoot.TrackNodes(nodes);
foreach (var attributeList in nodes)
{
var indentationSteps = IndentationHelper.GetIndentationSteps(indentationOptions, attributeList);
var indentationTrivia = IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, indentationSteps);
newRoot = newRoot.ReplaceNode(newRoot.GetCurrentNode(attributeList), GetNewAttributeList(attributeList, indentationTrivia));
}
return(newRoot);
}
private static ConstructorDeclarationSyntax ReformatConstructorDeclaration(ConstructorDeclarationSyntax constructorDeclaration, IndentationSettings indentationSettings, SyntaxTrivia newLine)
{
var constructorInitializer = constructorDeclaration.Initializer;
var newParameterList = constructorDeclaration.ParameterList
.WithTrailingTrivia(constructorDeclaration.ParameterList.GetTrailingTrivia().WithoutTrailingWhitespace().Add(newLine));
var indentationSteps = IndentationHelper.GetIndentationSteps(indentationSettings, constructorDeclaration);
var indentation = IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationSteps + 1);
var newColonTrailingTrivia = constructorInitializer.ColonToken.TrailingTrivia.WithoutTrailingWhitespace();
var newColonToken = constructorInitializer.ColonToken
.WithLeadingTrivia(indentation)
.WithTrailingTrivia(newColonTrailingTrivia);
var newInitializer = constructorInitializer
.WithColonToken(newColonToken)
.WithThisOrBaseKeyword(constructorInitializer.ThisOrBaseKeyword.WithLeadingTrivia(SyntaxFactory.Space));
return(constructorDeclaration
.WithParameterList(newParameterList)
.WithInitializer(newInitializer));
}
private static async Task <Document> GetTransformedDocumentAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var syntaxRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var settings = SettingsHelper.GetStyleCopSettings(document.Project.AnalyzerOptions, syntaxRoot.SyntaxTree, cancellationToken);
var enumMemberDeclaration = (EnumMemberDeclarationSyntax)syntaxRoot.FindNode(diagnostic.Location.SourceSpan);
var enumDeclaration = (EnumDeclarationSyntax)enumMemberDeclaration.Parent;
var memberIndex = enumDeclaration.Members.IndexOf(enumMemberDeclaration);
var precedingSeparatorToken = enumDeclaration.Members.GetSeparator(memberIndex - 1);
// determine the indentation for enum members (which is parent + 1 step)
var parentIndentationSteps = IndentationHelper.GetIndentationSteps(settings.Indentation, enumDeclaration);
var indentation = IndentationHelper.GenerateWhitespaceTrivia(settings.Indentation, parentIndentationSteps + 1);
// combine all trivia between the separator and the enum member and place them after the separator, followed by a new line.
var enumMemberDeclarationFirstToken = enumMemberDeclaration.GetFirstToken();
var sharedTrivia = TriviaHelper.MergeTriviaLists(precedingSeparatorToken.TrailingTrivia, enumMemberDeclarationFirstToken.LeadingTrivia);
var newTrailingTrivia = SyntaxFactory.TriviaList(sharedTrivia)
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.CarriageReturnLineFeed);
// replace the trivia for the tokens
var replacements = new Dictionary <SyntaxToken, SyntaxToken>
{
[precedingSeparatorToken] = precedingSeparatorToken.WithTrailingTrivia(newTrailingTrivia),
[enumMemberDeclarationFirstToken] = enumMemberDeclarationFirstToken.WithLeadingTrivia(indentation),
};
var newSyntaxRoot = syntaxRoot.ReplaceTokens(replacements.Keys, (original, rewritten) => replacements[original]);
var newDocument = document.WithSyntaxRoot(newSyntaxRoot.WithoutFormatting());
return(newDocument);
}
private static Dictionary <SyntaxToken, SyntaxToken> GenerateBraceFixes(IndentationSettings indentationSettings, ImmutableArray <SyntaxToken> braceTokens)
{
var tokenReplacements = new Dictionary <SyntaxToken, SyntaxToken>();
foreach (var braceToken in braceTokens)
{
var braceLine = LocationHelpers.GetLineSpan(braceToken).StartLinePosition.Line;
var braceReplacementToken = braceToken;
var indentationSteps = DetermineIndentationSteps(indentationSettings, braceToken);
var previousToken = braceToken.GetPreviousToken();
if (IsAccessorWithSingleLineBlock(previousToken, braceToken))
{
var newTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.Space);
AddReplacement(tokenReplacements, previousToken, previousToken.WithTrailingTrivia(newTrailingTrivia));
braceReplacementToken = braceReplacementToken.WithLeadingTrivia(braceToken.LeadingTrivia.WithoutLeadingWhitespace());
}
else
{
// Check if we need to apply a fix before the brace
if (LocationHelpers.GetLineSpan(previousToken).StartLinePosition.Line == braceLine)
{
if (!braceTokens.Contains(previousToken))
{
var sharedTrivia = braceReplacementToken.LeadingTrivia.WithoutTrailingWhitespace();
var previousTokenNewTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.AddRange(sharedTrivia)
.Add(SyntaxFactory.CarriageReturnLineFeed);
AddReplacement(tokenReplacements, previousToken, previousToken.WithTrailingTrivia(previousTokenNewTrailingTrivia));
}
braceReplacementToken = braceReplacementToken.WithLeadingTrivia(IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, indentationSteps));
}
// Check if we need to apply a fix after the brace. No fix is needed when:
// - The closing brace is followed by a semi-colon or closing paren
// - The closing brace is the last token in the file
var nextToken = braceToken.GetNextToken();
var nextTokenLine = nextToken.IsKind(SyntaxKind.None) ? -1 : LocationHelpers.GetLineSpan(nextToken).StartLinePosition.Line;
var isMultiDimensionArrayInitializer = braceToken.IsKind(SyntaxKind.OpenBraceToken) && braceToken.Parent.IsKind(SyntaxKind.ArrayInitializerExpression) && braceToken.Parent.Parent.IsKind(SyntaxKind.ArrayInitializerExpression);
if ((nextTokenLine == braceLine) &&
(!braceToken.IsKind(SyntaxKind.CloseBraceToken) || !IsValidFollowingToken(nextToken)) &&
!isMultiDimensionArrayInitializer)
{
var sharedTrivia = nextToken.LeadingTrivia.WithoutTrailingWhitespace();
var newTrailingTrivia = braceReplacementToken.TrailingTrivia
.WithoutTrailingWhitespace()
.AddRange(sharedTrivia)
.Add(SyntaxFactory.CarriageReturnLineFeed);
if (!braceTokens.Contains(nextToken))
{
int newIndentationSteps = indentationSteps;
if (braceToken.IsKind(SyntaxKind.OpenBraceToken))
{
newIndentationSteps++;
}
if (nextToken.IsKind(SyntaxKind.CloseBraceToken))
{
newIndentationSteps = Math.Max(0, newIndentationSteps - 1);
}
AddReplacement(tokenReplacements, nextToken, nextToken.WithLeadingTrivia(IndentationHelper.GenerateWhitespaceTrivia(indentationSettings, newIndentationSteps)));
}
braceReplacementToken = braceReplacementToken.WithTrailingTrivia(newTrailingTrivia);
}
}
AddReplacement(tokenReplacements, braceToken, braceReplacementToken);
}
return(tokenReplacements);
}
private static Dictionary <SyntaxToken, SyntaxToken> GenerateBraceFixes(Document document, ImmutableArray <SyntaxToken> braceTokens)
{
var tokenReplacements = new Dictionary <SyntaxToken, SyntaxToken>();
foreach (var braceToken in braceTokens)
{
var braceLine = LocationHelpers.GetLineSpan(braceToken).StartLinePosition.Line;
var braceReplacementToken = braceToken;
var indentationOptions = IndentationOptions.FromDocument(document);
var indentationSteps = DetermineIndentationSteps(indentationOptions, braceToken);
var previousToken = braceToken.GetPreviousToken();
var nextToken = braceToken.GetNextToken();
if (IsAccessorWithSingleLineBlock(previousToken, braceToken))
{
var newTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.Space);
AddReplacement(tokenReplacements, previousToken, previousToken.WithTrailingTrivia(newTrailingTrivia));
braceReplacementToken = braceReplacementToken.WithLeadingTrivia(braceToken.LeadingTrivia.WithoutLeadingWhitespace());
}
else
{
// Check if we need to apply a fix before the brace
if (LocationHelpers.GetLineSpan(previousToken).StartLinePosition.Line == braceLine)
{
if (!braceTokens.Contains(previousToken))
{
var sharedTrivia = braceReplacementToken.LeadingTrivia.WithoutTrailingWhitespace();
var previousTokenNewTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.AddRange(sharedTrivia)
.Add(SyntaxFactory.CarriageReturnLineFeed);
AddReplacement(tokenReplacements, previousToken, previousToken.WithTrailingTrivia(previousTokenNewTrailingTrivia));
}
braceReplacementToken = braceReplacementToken.WithLeadingTrivia(IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, indentationSteps));
}
// Check if we need to apply a fix after the brace
// if a closing brace is followed by a semi-colon or closing paren, no fix is needed.
if ((LocationHelpers.GetLineSpan(nextToken).StartLinePosition.Line == braceLine) &&
(!braceToken.IsKind(SyntaxKind.CloseBraceToken) || !IsValidFollowingToken(nextToken)))
{
var sharedTrivia = nextToken.LeadingTrivia.WithoutTrailingWhitespace();
var newTrailingTrivia = braceReplacementToken.TrailingTrivia
.WithoutTrailingWhitespace()
.AddRange(sharedTrivia)
.Add(SyntaxFactory.CarriageReturnLineFeed);
if (!braceTokens.Contains(nextToken))
{
int newIndentationSteps;
if (braceToken.IsKind(SyntaxKind.OpenBraceToken))
{
newIndentationSteps = indentationSteps + 1;
}
else if (nextToken.IsKind(SyntaxKind.CloseBraceToken))
{
newIndentationSteps = Math.Max(0, indentationSteps - 1);
}
else
{
newIndentationSteps = indentationSteps;
}
AddReplacement(tokenReplacements, nextToken, nextToken.WithLeadingTrivia(IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, newIndentationSteps)));
}
braceReplacementToken = braceReplacementToken.WithTrailingTrivia(newTrailingTrivia);
}
}
AddReplacement(tokenReplacements, braceToken, braceReplacementToken);
}
return(tokenReplacements);
}
private static async Task <Document> GetTransformedDocumentAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var syntaxRoot = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var curlyBracketToken = syntaxRoot.FindToken(diagnostic.Location.SourceSpan.Start);
var curlyBracketLine = curlyBracketToken.GetLocation().GetLineSpan().StartLinePosition.Line;
var curlyBracketReplacementToken = curlyBracketToken;
var indentationOptions = IndentationOptions.FromDocument(document);
var indentationSteps = DetermineIndentationSteps(indentationOptions, curlyBracketToken);
var previousToken = curlyBracketToken.GetPreviousToken();
var nextToken = curlyBracketToken.GetNextToken();
var rewriter = new Rewriter();
if (IsAccessorWithSingleLineBlock(previousToken, curlyBracketToken))
{
var newTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.Add(SyntaxFactory.Space);
rewriter.AddReplacement(previousToken, previousToken.WithTrailingTrivia(newTrailingTrivia));
curlyBracketReplacementToken = curlyBracketReplacementToken.WithLeadingTrivia(curlyBracketToken.LeadingTrivia.WithoutLeadingWhitespace());
}
else
{
// Check if we need to apply a fix before the curly bracket
if (previousToken.GetLocation().GetLineSpan().StartLinePosition.Line == curlyBracketLine)
{
var sharedTrivia = curlyBracketReplacementToken.LeadingTrivia.WithoutTrailingWhitespace();
var previousTokenNewTrailingTrivia = previousToken.TrailingTrivia
.WithoutTrailingWhitespace()
.AddRange(sharedTrivia)
.Add(SyntaxFactory.CarriageReturnLineFeed);
rewriter.AddReplacement(previousToken, previousToken.WithTrailingTrivia(previousTokenNewTrailingTrivia));
curlyBracketReplacementToken = curlyBracketReplacementToken.WithLeadingTrivia(IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, indentationSteps));
}
// Check if we need to apply a fix after the curly bracket
// if a closing curly bracket is followed by a semi-colon or closing paren, no fix is needed.
if ((nextToken.GetLocation().GetLineSpan().StartLinePosition.Line == curlyBracketLine) &&
(!curlyBracketToken.IsKind(SyntaxKind.CloseBraceToken) || !IsValidFollowingToken(nextToken)))
{
var sharedTrivia = nextToken.LeadingTrivia.WithoutTrailingWhitespace();
var newTrailingTrivia = curlyBracketReplacementToken.TrailingTrivia
.WithoutTrailingWhitespace()
.AddRange(sharedTrivia)
.Add(SyntaxFactory.CarriageReturnLineFeed);
int newIndentationSteps;
if (curlyBracketToken.IsKind(SyntaxKind.OpenBraceToken))
{
newIndentationSteps = indentationSteps + 1;
}
else if (nextToken.IsKind(SyntaxKind.CloseBraceToken))
{
newIndentationSteps = Math.Max(0, indentationSteps - 1);
}
else
{
newIndentationSteps = indentationSteps;
}
rewriter.AddReplacement(nextToken, nextToken.WithLeadingTrivia(IndentationHelper.GenerateWhitespaceTrivia(indentationOptions, newIndentationSteps)));
curlyBracketReplacementToken = curlyBracketReplacementToken.WithTrailingTrivia(newTrailingTrivia);
}
}
rewriter.AddReplacement(curlyBracketToken, curlyBracketReplacementToken);
var newSyntaxRoot = rewriter.Visit(syntaxRoot).WithoutFormatting();
return(document.WithSyntaxRoot(newSyntaxRoot));
}