public override void Initialize(AnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
base.Initialize(context);
context.RegisterSyntaxNodeAction(
f => MarkLocalVariableAsConstRefactoring.AnalyzeLocalDeclarationStatement(f),
SyntaxKind.LocalDeclarationStatement);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
LocalDeclarationStatementSyntax localDeclaration = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <LocalDeclarationStatementSyntax>();
Debug.Assert(localDeclaration != null, $"{nameof(localDeclaration)} is null");
if (localDeclaration == null)
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.MarkLocalVariableAsConst:
{
string names = GetNames(localDeclaration);
CodeAction codeAction = CodeAction.Create(
$"Mark {names} as const",
cancellationToken => MarkLocalVariableAsConstRefactoring.RefactorAsync(context.Document, localDeclaration, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.InlineLocalVariable:
{
CodeAction codeAction = CodeAction.Create(
"Inline local variable",
cancellationToken => InlineLocalVariableRefactoring.RefactorAsync(context.Document, localDeclaration, cancellationToken),
diagnostic.Id + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out LocalDeclarationStatementSyntax localDeclaration))
{
return;
}
Diagnostic diagnostic = context.Diagnostics[0];
CodeAction codeAction = CodeAction.Create(
$"Mark {GetNames(localDeclaration)} as const",
cancellationToken => MarkLocalVariableAsConstRefactoring.RefactorAsync(context.Document, localDeclaration, cancellationToken),
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out LocalDeclarationStatementSyntax localDeclaration))
{
return;
}
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.MarkLocalVariableAsConst:
{
string names = GetNames(localDeclaration);
CodeAction codeAction = CodeAction.Create(
$"Mark {names} as const",
cancellationToken => MarkLocalVariableAsConstRefactoring.RefactorAsync(context.Document, localDeclaration, cancellationToken),
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
case DiagnosticIdentifiers.InlineLocalVariable:
{
CodeAction codeAction = CodeAction.Create(
"Inline local variable",
cancellationToken => InlineLocalVariableRefactoring.RefactorAsync(context.Document, localDeclaration, cancellationToken),
GetEquivalenceKey(diagnostic));
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
private void AnalyzeLocalDeclarationStatement(SyntaxNodeAnalysisContext context)
{
var localDeclaration = (LocalDeclarationStatementSyntax)context.Node;
MarkLocalVariableAsConstRefactoring.Analyze(context, localDeclaration);
}
