public override async Task ComputeRefactoringsAsync(CodeRefactoringContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken);
ForEachStatementSyntax forEachStatement = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <ForEachStatementSyntax>();
if (forEachStatement == null)
{
return;
}
SemanticModel semanticModel = await context.Document.GetSemanticModelAsync(context.CancellationToken);
if (semanticModel == null)
{
return;
}
ChangeType(context, semanticModel, forEachStatement);
RenameIdentifierNameAccordingToTypeName(context, semanticModel, forEachStatement);
ChangeTypeAccordingToExpression(context, semanticModel, forEachStatement);
if (ForEachToForRefactoring.CanRefactor(forEachStatement, semanticModel, context.CancellationToken))
{
context.RegisterRefactoring(
"Convert foreach to for",
cancellationToken => ForEachToForRefactoring.RefactorAsync(context.Document, forEachStatement, cancellationToken));
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
ForEachStatementSyntax forEachStatement = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <ForEachStatementSyntax>();
if (forEachStatement == null)
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Convert foreach to for",
cancellationToken => ForEachToForRefactoring.RefactorAsync(context.Document, forEachStatement, cancellationToken),
DiagnosticIdentifiers.ConvertForEachToFor + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}