private Document Delete(Document document, ParameterSyntax node)
{
var parameterList = node.FirstAncestorOrSelf<ParameterListSyntax>();
var newParameterList = parameterList.RemoveNode(node, SyntaxRemoveOptions.KeepNoTrivia);
return document.ReplaceNodeAsync(parameterList, newParameterList, CancellationToken.None)
.WaitAndGetResult_CodeModel(CancellationToken.None);
}
private Document Delete(Document document, AttributeArgumentSyntax node)
{
var argumentList = node.FirstAncestorOrSelf<AttributeArgumentListSyntax>();
var newArgumentList = argumentList.RemoveNode(node, SyntaxRemoveOptions.KeepNoTrivia);
return document.ReplaceNodeAsync(argumentList, newArgumentList, CancellationToken.None)
.WaitAndGetResult_CodeModel(CancellationToken.None);
}
private Document Delete(Document document, EnumMemberDeclarationSyntax node)
{
var enumDeclaration = (EnumDeclarationSyntax)node.Parent;
var members = enumDeclaration.Members;
var newMembers = members.Remove(node);
var newEnumDeclaration = enumDeclaration.WithMembers(newMembers);
// If we're removing the last enum member, we may need to move any trailing trivia
// to the enum member that comes before it.
var memberIndex = members.IndexOf(node);
if (memberIndex == members.Count - 1 && newMembers.Count > 0)
{
var trailingTrivia = node.GetTrailingTrivia();
var lastMember = newEnumDeclaration.Members.Last();
newEnumDeclaration = newEnumDeclaration.ReplaceNode(lastMember, lastMember.WithTrailingTrivia(trailingTrivia));
}
return document.ReplaceNodeAsync(enumDeclaration, newEnumDeclaration, CancellationToken.None)
.WaitAndGetResult_CodeModel(CancellationToken.None);
}
private Document Delete(Document document, AttributeSyntax node)
{
var attributeList = node.FirstAncestorOrSelf<AttributeListSyntax>();
// If we don't have anything left, then just delete the whole attribute list.
if (attributeList.Attributes.Count == 1)
{
var text = document.GetTextAsync(CancellationToken.None)
.WaitAndGetResult_CodeModel(CancellationToken.None);
// Note that we want to keep all leading trivia and delete all trailing trivia.
var deletionStart = attributeList.SpanStart;
var deletionEnd = attributeList.FullSpan.End;
text = text.Replace(TextSpan.FromBounds(deletionStart, deletionEnd), string.Empty);
return document.WithText(text);
}
else
{
var newAttributeList = attributeList.RemoveNode(node, SyntaxRemoveOptions.KeepNoTrivia);
return document.ReplaceNodeAsync(attributeList, newAttributeList, CancellationToken.None)
.WaitAndGetResult_CodeModel(CancellationToken.None);
}
}
private Document Delete(Document document, VariableDeclaratorSyntax node)
{
var fieldDeclaration = node.FirstAncestorOrSelf<BaseFieldDeclarationSyntax>();
// If we won't have anything left, then just delete the whole declaration
if (fieldDeclaration.Declaration.Variables.Count == 1)
{
return Delete(document, fieldDeclaration);
}
else
{
var newFieldDeclaration = fieldDeclaration.RemoveNode(node, SyntaxRemoveOptions.KeepNoTrivia);
return document.ReplaceNodeAsync(fieldDeclaration, newFieldDeclaration, CancellationToken.None)
.WaitAndGetResult_CodeModel(CancellationToken.None);
}
}
