public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
ConditionalExpressionSyntax conditionalExpression = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <ConditionalExpressionSyntax>();
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.ParenthesizeConditionInConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Wrap condition in parentheses",
cancellationToken => ParenthesizeConditionInConditionalExpressionRefactoring.RefactorAsync(context.Document, conditionalExpression, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.UseCoalesceExpressionInsteadOfConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Use coalesce expression",
cancellationToken =>
{
return(UseCoalesceExpressionInsteadOfConditionalExpressionRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
},
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.SimplifyConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Simplify conditional expression",
cancellationToken =>
{
return(SimplifyConditionalExpressionRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
},
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
private void AnalyzeConditionalExpression(SyntaxNodeAnalysisContext context)
{
var conditionalExpression = (ConditionalExpressionSyntax)context.Node;
ParenthesizeConditionInConditionalExpressionRefactoring.Analyze(context, conditionalExpression);
UseCoalesceExpressionInsteadOfConditionalExpressionRefactoring.Analyze(context, conditionalExpression);
SimplifyConditionalExpressionRefactoring.Analyze(context, conditionalExpression);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out ConditionalExpressionSyntax conditionalExpression))
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.ParenthesizeConditionInConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Wrap condition in parentheses",
cancellationToken => ParenthesizeConditionInConditionalExpressionRefactoring.RefactorAsync(context.Document, conditionalExpression, cancellationToken),
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.UseCoalesceExpressionInsteadOfConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Use coalesce expression",
cancellationToken =>
{
return(UseCoalesceExpressionInsteadOfConditionalExpressionRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
},
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.SimplifyConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Simplify conditional expression",
cancellationToken =>
{
return(SimplifyConditionalExpressionRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
},
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.FormatConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Format ? and : on next line",
cancellationToken =>
{
return(FormatConditionalExpressionRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
},
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.UseConditionalAccessInsteadOfConditionalExpression:
{
CodeAction codeAction = CodeAction.Create(
"Use conditional access",
cancellationToken =>
{
return(UseConditionalAccessRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
},
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
