private static Task <Solution> ApplyFixAsync(CancellationToken cancellationToken, CodeFixContext context, Diagnostic diagnostic, SemanticModel semanticModel, SyntaxNode syntaxRoot, SyntaxToken token)
{
var parameter = syntaxRoot.FindNode(diagnostic.Location.SourceSpan)
.FirstAncestorOrSelf <ParameterSyntax>();
var constructorDeclarationSyntax = parameter.FirstAncestorOrSelf <ConstructorDeclarationSyntax>();
using (var pooled = GU0003CtorParameterNamesShouldMatch.ConstructorAssignmentsWalker.Create(constructorDeclarationSyntax, semanticModel, context.CancellationToken))
{
foreach (var kvp in pooled.Item.ParameterNameMap)
{
if (kvp.Key == parameter)
{
return(RenameHelper.RenameSymbolAsync(
context.Document,
syntaxRoot,
token,
kvp.Value,
cancellationToken));
}
}
}
// should never get here.
return(Task.FromResult(context.Document.Project.Solution));
}
/// <inheritdoc/>
public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
var syntaxRoot = await context.Document.GetSyntaxRootAsync(context.CancellationToken)
.ConfigureAwait(false);
foreach (var diagnostic in context.Diagnostics)
{
var token = syntaxRoot.FindToken(diagnostic.Location.SourceSpan.Start);
if (diagnostic.Properties.TryGetValue("Name", out var name))
{
context.RegisterCodeFix(
CodeAction.Create(
"Rename parameter",
cancellationToken => RenameHelper.RenameSymbolAsync(
context.Document,
syntaxRoot,
token,
name,
cancellationToken),
nameof(NameArgumentsCodeFixProvider)),
diagnostic);
}
}
}