public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
SyntaxNode node = root.FindNode(context.Span, findInsideTrivia: true, getInnermostNodeForTie: true);
if (node?.IsKind(
SyntaxKind.QualifiedName,
SyntaxKind.IdentifierName,
SyntaxKind.SimpleMemberAccessExpression) == true)
{
SemanticModel semanticModel = await context.Document.GetSemanticModelAsync(context.CancellationToken).ConfigureAwait(false);
var typeSymbol = semanticModel.GetSymbol(node, context.CancellationToken) as INamedTypeSymbol;
if (typeSymbol?.SupportsPredefinedType() == true)
{
CodeAction codeAction = CodeAction.Create(
$"Use predefined type '{SymbolDisplay.GetString(typeSymbol)}'",
cancellationToken => UsePredefinedTypeRefactoring.RefactorAsync(context.Document, node, typeSymbol, cancellationToken),
DiagnosticIdentifiers.UsePredefinedType + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindNode(root, context.Span, out SyntaxNode node, findInsideTrivia: true, predicate: f => f.IsKind(
SyntaxKind.QualifiedName,
SyntaxKind.IdentifierName,
SyntaxKind.SimpleMemberAccessExpression,
SyntaxKind.NameMemberCref,
SyntaxKind.QualifiedCref)))
{
return;
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
var typeSymbol = semanticModel.GetSymbol(node, context.CancellationToken) as INamedTypeSymbol;
CodeAction codeAction = CodeAction.Create(
$"Use predefined type '{SymbolDisplay.GetString(typeSymbol)}'",
cancellationToken => UsePredefinedTypeRefactoring.RefactorAsync(context.Document, node, typeSymbol, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.UsePredefinedType));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
private void AnalyzeQualifiedName(SyntaxNodeAnalysisContext context)
{
var qualifiedName = (QualifiedNameSyntax)context.Node;
UsePredefinedTypeRefactoring.Analyze(context, qualifiedName);
SimplifyNullableOfTRefactoring.Analyze(context, qualifiedName);
}
private void AnalyzeSimpleMemberAccessExpression(SyntaxNodeAnalysisContext context)
{
var memberAccess = (MemberAccessExpressionSyntax)context.Node;
UsePredefinedTypeRefactoring.Analyze(context, memberAccess);
if (UseEmptyStringLiteralInsteadOfStringEmptyRefactoring.CanRefactor(memberAccess, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(DiagnosticDescriptors.UseEmptyStringLiteralInsteadOfStringEmpty, memberAccess);
}
}
public override void Initialize(AnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
base.Initialize(context);
context.EnableConcurrentExecution();
context.RegisterSyntaxNodeAction(
f => UsePredefinedTypeRefactoring.AnalyzeIdentifierName(f),
SyntaxKind.IdentifierName);
context.RegisterSyntaxNodeAction(
f => UsePredefinedTypeRefactoring.AnalyzeXmlCrefAttribute(f),
SyntaxKind.XmlCrefAttribute);
}
private void AnalyzeIdentifierName(SyntaxNodeAnalysisContext context)
{
var identifierName = (IdentifierNameSyntax)context.Node;
UsePredefinedTypeRefactoring.Analyze(context, identifierName);
}
