public static Task <Document> RefactorAsync(
Document document,
BlockSyntax block,
CancellationToken cancellationToken = default(CancellationToken))
{
StatementSyntax statement = block.Statements[0];
if (block.IsParentKind(SyntaxKind.ElseClause) &&
statement.IsKind(SyntaxKind.IfStatement))
{
var elseClause = (ElseClauseSyntax)block.Parent;
ElseClauseSyntax newElseClause = elseClause
.WithStatement(statement)
.WithElseKeyword(elseClause.ElseKeyword.WithoutTrailingTrivia())
.WithFormatterAnnotation();
return(document.ReplaceNodeAsync(elseClause, newElseClause, cancellationToken));
}
else
{
StatementSyntax newNode = statement.TrimLeadingTrivia()
.WithFormatterAnnotation();
return(document.ReplaceNodeAsync(block, newNode, cancellationToken));
}
}
public static void Analyze(SyntaxNodeAnalysisContext context, BlockSyntax block)
{
if (block.IsParentKind(SyntaxKind.Block) &&
block.Statements.Any())
{
context.ReportDiagnostic(DiagnosticDescriptors.RemoveRedundantBraces, block);
context.ReportBraces(DiagnosticDescriptors.RemoveRedundantBracesFadeOut, block);
}
}
public override SyntaxNode VisitBlock(BlockSyntax node)
{
if (_statementsInfo.Parent == null &&
node.IsParentKind(SyntaxKind.SwitchSection))
{
return(Rewrite(new StatementListInfo(node)));
}
_statementsInfo = new StatementListInfo(node);
IfStatementSyntax ifStatement = FindFixableIfStatement(_statementsInfo.Statements, _jumpKind);
if (ReduceIfNestingAnalysis.IsFixable(ifStatement))
{
return(Rewrite(_statementsInfo, ifStatement));
}
return(node);
}
public override SyntaxNode VisitBlock(BlockSyntax node)
{
if (_container.Node == null &&
node.IsParentKind(SyntaxKind.SwitchSection))
{
return(Rewrite(new StatementContainer(node)));
}
_container = new StatementContainer(node);
IfStatementSyntax ifStatement = FindFixableIfStatement(_container.Statements, _jumpKind);
if (IsFixable(ifStatement))
{
return(Rewrite(_container, ifStatement));
}
return(node);
}