private static SyntaxNode RemoveDeclaration(SyntaxNode root, BaseListSyntax baseList,
int redundantIndex)
{
var newBaseList = baseList
.RemoveNode(baseList.Types[redundantIndex], SyntaxRemoveOptions.KeepNoTrivia)
.WithAdditionalAnnotations(Formatter.Annotation);
if (newBaseList.Types.Count != 0)
{
return(root.ReplaceNode(baseList, newBaseList));
}
var baseTypeHadLineEnding = HasLineEnding(baseList.Types[redundantIndex]);
var colonHadLineEnding = HasLineEnding(baseList.ColonToken);
var typeNameHadLineEnding = HasLineEnding(((BaseTypeDeclarationSyntax)baseList.Parent).Identifier);
var annotation = new SyntaxAnnotation();
var newRoot = root.ReplaceNode(
baseList.Parent,
baseList.Parent.WithAdditionalAnnotations(annotation));
var declaration = (BaseTypeDeclarationSyntax)newRoot.GetAnnotatedNodes(annotation).First();
newRoot = newRoot.RemoveNode(declaration.BaseList, SyntaxRemoveOptions.KeepNoTrivia);
declaration = (BaseTypeDeclarationSyntax)newRoot.GetAnnotatedNodes(annotation).First();
var needsNewLine = !typeNameHadLineEnding &&
(colonHadLineEnding || baseTypeHadLineEnding);
if (needsNewLine)
{
var trivia = SyntaxFactory.TriviaList();
if (declaration.Identifier.HasTrailingTrivia)
{
trivia = declaration.Identifier.TrailingTrivia;
}
trivia = colonHadLineEnding
? trivia.Add(baseList.ColonToken.TrailingTrivia.Last())
: trivia.AddRange(baseList.Types[redundantIndex].GetTrailingTrivia());
newRoot = newRoot.ReplaceToken(
declaration.Identifier,
declaration.Identifier
.WithTrailingTrivia(trivia));
}
declaration = (BaseTypeDeclarationSyntax)newRoot.GetAnnotatedNodes(annotation).First();
return(newRoot.ReplaceNode(
declaration,
declaration.WithoutAnnotations(annotation)));
}
private static SyntaxNode RemoveDeclaration(SyntaxNode root, BaseListSyntax baseList,
int redundantIndex)
{
var newBaseList = baseList
.RemoveNode(baseList.Types[redundantIndex], SyntaxRemoveOptions.KeepNoTrivia)
.WithAdditionalAnnotations(Formatter.Annotation);
if (newBaseList.Types.Count != 0)
{
return root.ReplaceNode(baseList, newBaseList);
}
var baseTypeHadLineEnding = HasLineEnding(baseList.Types[redundantIndex]);
var colonHadLineEnding = HasLineEnding(baseList.ColonToken);
var typeNameHadLineEnding = HasLineEnding(((BaseTypeDeclarationSyntax)baseList.Parent).Identifier);
var annotation = new SyntaxAnnotation();
var newRoot = root.ReplaceNode(
baseList.Parent,
baseList.Parent.WithAdditionalAnnotations(annotation));
var declaration = (BaseTypeDeclarationSyntax)newRoot.GetAnnotatedNodes(annotation).First();
newRoot = newRoot.RemoveNode(declaration.BaseList, SyntaxRemoveOptions.KeepNoTrivia);
declaration = (BaseTypeDeclarationSyntax)newRoot.GetAnnotatedNodes(annotation).First();
var needsNewLine = !typeNameHadLineEnding &&
(colonHadLineEnding || baseTypeHadLineEnding);
if (needsNewLine)
{
var trivia = SyntaxFactory.TriviaList();
if (declaration.Identifier.HasTrailingTrivia)
{
trivia = declaration.Identifier.TrailingTrivia;
}
trivia = colonHadLineEnding
? trivia.Add(baseList.ColonToken.TrailingTrivia.Last())
: trivia.AddRange(baseList.Types[redundantIndex].GetTrailingTrivia());
newRoot = newRoot.ReplaceToken(
declaration.Identifier,
declaration.Identifier
.WithTrailingTrivia(trivia));
}
declaration = (BaseTypeDeclarationSyntax)newRoot.GetAnnotatedNodes(annotation).First();
return newRoot.ReplaceNode(
declaration,
declaration.WithoutAnnotations(annotation));
}
public override SyntaxNode VisitBaseList(BaseListSyntax node)
{
ChildSyntaxList.Enumerator enumerator = node.ChildNodesAndTokens().GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current is { IsNode : true } current)
{
SyntaxNode currentNode = current.AsNode();
if (currentNode is SimpleBaseTypeSyntax nodeToRemove && (nodeToRemove.Type.ToString() == "global::System.Object" || nodeToRemove.Type.ToString() == "System.Object"))
{
node = node.RemoveNode(nodeToRemove, SyntaxRemoveOptions.KeepNoTrivia);
break;
}
}
}
return(node.ChildNodes().Any() ? base.VisitBaseList(node) : null);
}
