private SyntaxNode ReplaceAnonymousWithLocalFunction(
Workspace workspace, SyntaxNode currentRoot,
LocalDeclarationStatementSyntax localDeclaration, LambdaExpressionSyntax lambda,
INamedTypeSymbol delegateType, ParameterListSyntax parameterList,
ImmutableArray <MemberAccessExpressionSyntax> explicitInvokeCalls,
CancellationToken cancellationToken)
{
var newLocalFunctionStatement = CreateLocalFunctionStatement(
localDeclaration, lambda, delegateType, parameterList, cancellationToken);
newLocalFunctionStatement = newLocalFunctionStatement.WithTriviaFrom(localDeclaration)
.WithAdditionalAnnotations(Formatter.Annotation);
var editor = new SyntaxEditor(currentRoot, workspace);
editor.ReplaceNode(localDeclaration, newLocalFunctionStatement);
var lambdaStatement = lambda.GetAncestor <StatementSyntax>();
if (lambdaStatement != localDeclaration)
{
// This is the split decl+init form. Remove the second statement as we're
// merging into the first one.
editor.RemoveNode(lambdaStatement);
}
foreach (var usage in explicitInvokeCalls)
{
editor.ReplaceNode(
usage.Parent,
(usage.Parent as InvocationExpressionSyntax).WithExpression(usage.Expression).WithTriviaFrom(usage.Parent));
}
return(editor.GetChangedRoot());
}
