public override async Task ComputeRefactoringsAsync(CodeRefactoringContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken);
InterpolatedStringExpressionSyntax interpolatedString = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <InterpolatedStringExpressionSyntax>();
if (interpolatedString == null)
{
return;
}
if (InterpolatedStringRefactoring.CanConvertToStringLiteral(interpolatedString))
{
context.RegisterRefactoring("Convert to string literal",
cancellationToken =>
{
return(InterpolatedStringRefactoring.ConvertToStringLiteralAsync(
context.Document,
interpolatedString,
cancellationToken));
});
}
}
private void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context)
{
if (GeneratedCodeAnalyzer?.IsGeneratedCode(context) == true)
{
return;
}
var interpolatedString = (InterpolatedStringExpressionSyntax)context.Node;
if (InterpolatedStringRefactoring.CanConvertToStringLiteral(interpolatedString))
{
context.ReportDiagnostic(
DiagnosticDescriptors.UseStringLiteralInsteadOfInterpolatedString,
context.Node.GetLocation());
SyntaxToken token = interpolatedString.StringStartToken;
if (!token.IsMissing &&
token.Text.StartsWith("$"))
{
context.ReportDiagnostic(
DiagnosticDescriptors.ReplaceInterpolatedStringWithStringLiteralFadeOut,
Location.Create(
interpolatedString.SyntaxTree,
new TextSpan(token.SpanStart, 1)));
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
InterpolatedStringExpressionSyntax interpolatedString = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <InterpolatedStringExpressionSyntax>();
if (interpolatedString == null)
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Convert to string literal",
cancellationToken => InterpolatedStringRefactoring.ConvertToStringLiteralAsync(context.Document, interpolatedString, cancellationToken),
DiagnosticIdentifiers.UseStringLiteralInsteadOfInterpolatedString + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
