private void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context)
{
var interpolatedString = (InterpolatedStringExpressionSyntax)context.Node;
if (ReplaceInterpolatedStringWithStringLiteralRefactoring.CanRefactor(interpolatedString))
{
context.ReportDiagnostic(
DiagnosticDescriptors.AvoidInterpolatedStringWithNoInterpolation,
Location.Create(context.SyntaxTree(), GetDollarSpan(interpolatedString)));
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out InterpolatedStringExpressionSyntax interpolatedString))
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AvoidInterpolatedStringWithNoInterpolation:
{
CodeAction codeAction = CodeAction.Create(
"Remove $",
cancellationToken => ReplaceInterpolatedStringWithStringLiteralRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
GetEquivalenceKey(diagnostic.Id));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.UnnecessaryInterpolatedString:
{
var interpolation = (InterpolationSyntax)interpolatedString.Contents[0];
CodeAction codeAction = CodeAction.Create(
$"Replace interpolated string with '{interpolation.Expression}'",
cancellationToken => UnnecessaryInterpolatedStringRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
GetEquivalenceKey(diagnostic.Id));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.ReplaceInterpolatedStringWithConcatenation:
{
CodeAction codeAction = CodeAction.Create(
"Replace interpolated string with concatenation",
cancellationToken => ReplaceInterpolatedStringWithConcatenationRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
GetEquivalenceKey(diagnostic.Id));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out InterpolatedStringExpressionSyntax interpolatedString))
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Remove $",
cancellationToken => ReplaceInterpolatedStringWithStringLiteralRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.AvoidInterpolatedStringWithNoInterpolation));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
InterpolatedStringExpressionSyntax interpolatedString = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <InterpolatedStringExpressionSyntax>();
if (interpolatedString == null)
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Remove $",
cancellationToken => ReplaceInterpolatedStringWithStringLiteralRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
DiagnosticIdentifiers.AvoidInterpolatedStringWithNoInterpolation + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out InterpolatedStringExpressionSyntax interpolatedString))
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AvoidInterpolatedStringWithNoInterpolation:
{
CodeAction codeAction = CodeAction.Create(
"Remove $",
cancellationToken => ReplaceInterpolatedStringWithStringLiteralRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
GetEquivalenceKey(diagnostic.Id));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.AvoidInterpolatedStringWithNoInterpolatedText:
{
string title = (interpolatedString.Contents.Count == 1)
? "Extract expression from interpolated string"
: "Extract expressions from interpolated string";
CodeAction codeAction = CodeAction.Create(
title,
cancellationToken => AvoidInterpolatedStringWithNoInterpolatedTextRefactoring.RefactorAsync(context.Document, interpolatedString, cancellationToken),
GetEquivalenceKey(diagnostic.Id));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
private void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context)
{
if (GeneratedCodeAnalyzer?.IsGeneratedCode(context) == true)
{
return;
}
var interpolatedString = (InterpolatedStringExpressionSyntax)context.Node;
if (ReplaceInterpolatedStringWithStringLiteralRefactoring.CanRefactor(interpolatedString))
{
SyntaxToken token = interpolatedString.StringStartToken;
if (token.Text.StartsWith("$"))
{
context.ReportDiagnostic(
DiagnosticDescriptors.AvoidInterpolatedStringWithNoInterpolation,
Location.Create(interpolatedString.SyntaxTree, new TextSpan(token.SpanStart, 1)));
}
}
}
