public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out ExpressionSyntax expression))
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AvoidBoxingOfValueType:
{
CodeAction codeAction = CodeAction.Create(
(expression.IsKind(SyntaxKind.CharacterLiteralExpression))
? "Use string literal instead of character literal"
: "Call 'ToString'",
cancellationToken => AvoidBoxingOfValueTypeRefactoring.RefactorAsync(context.Document, expression, cancellationToken),
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
ExpressionSyntax expression = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <ExpressionSyntax>();
Debug.Assert(expression != null, $"{nameof(expression)} is null");
if (expression == null)
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AvoidBoxingOfValueType:
{
CodeAction codeAction = CodeAction.Create(
(expression.IsKind(SyntaxKind.CharacterLiteralExpression))
? "Use string literal instead of character literal"
: "Call 'ToString'",
cancellationToken => AvoidBoxingOfValueTypeRefactoring.RefactorAsync(context.Document, expression, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
public override void Initialize(AnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
base.Initialize(context);
context.EnableConcurrentExecution();
context.RegisterSyntaxNodeAction(f => AvoidBoxingOfValueTypeRefactoring.AddExpression(f), SyntaxKind.AddExpression);
context.RegisterSyntaxNodeAction(f => AvoidBoxingOfValueTypeRefactoring.Interpolation(f), SyntaxKind.Interpolation);
}