public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document
.GetSyntaxRootAsync(context.CancellationToken)
.ConfigureAwait(false);
InvocationExpressionSyntax invocation = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <InvocationExpressionSyntax>();
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.SimplifyLinqMethodChain:
{
SimplifyLinqMethodChainRefactoring.RegisterCodeFix(context, diagnostic, invocation);
break;
}
case DiagnosticIdentifiers.ReplaceAnyMethodWithCountOrLengthProperty:
{
ReplaceAnyMethodWithCountOrLengthPropertyRefactoring.RegisterCodeFix(context, diagnostic, invocation);
break;
}
case DiagnosticIdentifiers.ReplaceCountMethodWithCountOrLengthProperty:
{
ReplaceCountMethodWithCountOrLengthPropertyRefactoring.RegisterCodeFix(context, diagnostic, invocation);
break;
}
case DiagnosticIdentifiers.UseBitwiseOperationInsteadOfHasFlagMethod:
{
CodeAction codeAction = CodeAction.Create(
ReplaceHasFlagWithBitwiseOperationRefactoring.Title,
cancellationToken =>
{
return(ReplaceHasFlagWithBitwiseOperationRefactoring.RefactorAsync(
context.Document,
invocation,
cancellationToken));
},
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
InvocationExpressionSyntax invocation = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <InvocationExpressionSyntax>();
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.SimplifyLinqMethodChain:
{
var memberAccess = (MemberAccessExpressionSyntax)invocation.Expression;
switch (memberAccess.Name.Identifier.ValueText)
{
case "Cast":
{
CodeAction codeAction = CodeAction.Create(
"Simplify method chain",
cancellationToken => ReplaceWhereAndCastWithOfTypeRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
default:
{
CodeAction codeAction = CodeAction.Create(
"Simplify method chain",
cancellationToken => SimplifyLinqMethodChainRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
break;
}
case DiagnosticIdentifiers.CombineEnumerableWhereMethodChain:
{
CodeAction codeAction = CodeAction.Create(
"Combine 'Where' method chain",
cancellationToken => CombineEnumerableWhereMethodChainRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.ReplaceAnyMethodWithCountOrLengthProperty:
{
string propertyName = diagnostic.Properties["PropertyName"];
string sign = (invocation.Parent?.IsKind(SyntaxKind.LogicalNotExpression) == true) ? "==" : ">";
CodeAction codeAction = CodeAction.Create(
$"Replace 'Any' with '{propertyName} {sign} 0'",
cancellationToken => ReplaceAnyMethodWithCountOrLengthPropertyRefactoring.RefactorAsync(context.Document, invocation, propertyName, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.ReplaceCountMethodWithCountOrLengthProperty:
{
CodeAction codeAction = CodeAction.Create(
$"Replace 'Count()' with '{diagnostic.Properties["PropertyName"]}'",
cancellationToken => ReplaceCountMethodWithCountOrLengthPropertyRefactoring.RefactorAsync(context.Document, invocation, diagnostic.Properties["PropertyName"], cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.UseBitwiseOperationInsteadOfHasFlagMethod:
{
CodeAction codeAction = CodeAction.Create(
ReplaceHasFlagWithBitwiseOperationRefactoring.Title,
cancellationToken => ReplaceHasFlagWithBitwiseOperationRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.RemoveRedundantToStringCall:
{
CodeAction codeAction = CodeAction.Create(
"Remove redundant 'ToString' call",
cancellationToken => RemoveRedundantCallRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.UseCastMethodInsteadOfSelectMethod:
{
CodeAction codeAction = CodeAction.Create(
"Call 'Cast' instead of 'Select'",
cancellationToken => ReplaceSelectWithCastRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.RemoveRedundantStringToCharArrayCall:
{
CodeAction codeAction = CodeAction.Create(
"Remove redundant 'ToCharArray' call",
cancellationToken => RemoveRedundantCallRefactoring.RefactorAsync(context.Document, invocation, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}