private void AddResidualTrivia(SyntaxTriviaList trivia, bool requiresNewLine = false)
{
if (requiresNewLine)
{
this.AddEndOfLine(GetEndOfLine(trivia) ?? SyntaxFactory.CarriageReturnLineFeed);
}
_residualTrivia.Add(trivia);
}
public virtual SyntaxTriviaList VisitList(SyntaxTriviaList list)
{
var count = list.Count;
if (count != 0)
{
SyntaxTriviaListBuilder alternate = null;
var index = -1;
foreach (var item in list)
{
index++;
var visited = this.VisitListElement(item);
//skip the null check since SyntaxTrivia is a value type
if (visited != item && alternate == null)
{
alternate = new SyntaxTriviaListBuilder(count);
alternate.Add(list, 0, index);
}
if (alternate != null && visited.CSharpKind() != SyntaxKind.None)
{
alternate.Add(visited);
}
}
if (alternate != null)
{
return(alternate.ToList());
}
}
return(list);
}
/// <summary>
/// Creates a new <see cref="SyntaxTriviaList"/> with the specified trivia inserted at the index.
/// </summary>
/// <param name="index">The index in the list to insert the trivia at.</param>
/// <param name="trivia">The trivia to insert.</param>
public SyntaxTriviaList InsertRange(int index, IEnumerable <SyntaxTrivia> trivia)
{
int thisCount = this.Count;
if (index < 0 || index > thisCount)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
if (trivia == null)
{
throw new ArgumentNullException(nameof(trivia));
}
// Just return ourselves if we're not being asked to add anything.
ICollection <SyntaxTrivia> triviaCollection = trivia as ICollection <SyntaxTrivia>;
if (triviaCollection != null && triviaCollection.Count == 0)
{
return(this);
}
SyntaxTriviaListBuilder builder = GetBuilder();
try
{
for (int i = 0; i < index; i++)
{
builder.Add(this[i]);
}
builder.AddRange(trivia);
for (int i = index; i < thisCount; i++)
{
builder.Add(this[i]);
}
return(builder.Count == thisCount ? this : builder.ToList());
}
finally
{
ClearAndFreeBuilder(builder);
}
}
private static GreenNode CreateNode(SyntaxTrivia[] trivias)
{
if (trivias == null)
{
return(null);
}
var builder = new SyntaxTriviaListBuilder(trivias.Length);
builder.Add(trivias);
return(builder.ToList().Node);
}