public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out ForStatementSyntax forStatement))
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AvoidUsageOfForStatementToCreateInfiniteLoop:
{
CodeAction codeAction = CodeAction.Create(
"Use while to create an infinite loop",
cancellationToken =>
{
return(AvoidUsageOfForStatementToCreateInfiniteLoopRefactoring.RefactorAsync(
context.Document,
forStatement,
cancellationToken));
},
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
private void AnalyzeForStatement(SyntaxNodeAnalysisContext context)
{
var forStatement = (ForStatementSyntax)context.Node;
AvoidUsageOfForStatementToCreateInfiniteLoopRefactoring.Analyze(context, forStatement);
ExpressionSyntax condition = forStatement.Condition;
if (condition?.IsKind(SyntaxKind.TrueLiteralExpression) == true)
{
context.ReportDiagnostic(DiagnosticDescriptors.RemoveRedundantBooleanLiteral, condition, condition.ToString());
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
ForStatementSyntax forStatement = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <ForStatementSyntax>();
Debug.Assert(forStatement != null, $"{nameof(forStatement)} is null");
if (forStatement == null)
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AvoidUsageOfForStatementToCreateInfiniteLoop:
{
CodeAction codeAction = CodeAction.Create(
"Use while to create an infinite loop",
cancellationToken =>
{
return(AvoidUsageOfForStatementToCreateInfiniteLoopRefactoring.RefactorAsync(
context.Document,
forStatement,
cancellationToken));
},
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
