public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
EnumMemberDeclarationSyntax enumMemberDeclaration = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <EnumMemberDeclarationSyntax>();
if (enumMemberDeclaration == null)
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.EnumMemberShouldDeclareExplicitValue:
{
CodeAction codeAction = CodeAction.Create(
"Declare explicit value",
cancellationToken => EnumMemberShouldDeclareExplicitValueRefactoring.RefactorAsync(context.Document, enumMemberDeclaration, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.DeclareEnumValueAsCombinationOfNames:
{
CodeAction codeAction = CodeAction.Create(
"Declare value as combination of names",
cancellationToken => DeclareEnumValueAsCombinationOfNamesRefactoring.RefactorAsync(context.Document, enumMemberDeclaration, 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.RegisterCompilationStartAction(startContext =>
{
INamedTypeSymbol flagsAttribute = startContext.Compilation.GetTypeByMetadataName(MetadataNames.System_FlagsAttribute);
if (flagsAttribute != null)
{
startContext.RegisterSymbolAction(
nodeContext => DeclareEnumValueAsCombinationOfNamesRefactoring.AnalyzeNamedType(nodeContext, flagsAttribute),
SymbolKind.NamedType);
}
});
}
