private static GreenNode CreateNode(SyntaxTrivia[] trivias)
{
if (trivias == null)
{
return(null);
}
var builder = new SyntaxTriviaListBuilder(trivias.Length);
builder.Add(trivias);
return(builder.ToList().Node);
}
public static SyntaxTriviaList Create(IEnumerable <SyntaxTrivia> trivia)
{
if (trivia == null)
{
return(new SyntaxTriviaList());
}
var builder = SyntaxTriviaListBuilder.Create();
builder.AddRange(trivia);
return(builder.ToList());
}
private static void ClearAndFreeBuilder(SyntaxTriviaListBuilder builder)
{
// It's possible someone might create a list with a huge amount of trivia
// in it. We don't want to hold onto such items forever. So only cache
// reasonably sized lists. In IDE testing, around 99% of all trivia lists
// were 16 or less elements.
const int MaxBuilderCount = 16;
if (builder.Count <= MaxBuilderCount)
{
builder.Clear();
s_builderPool.Free(builder);
}
}
/// <summary>
/// Creates a list of trivia.
/// </summary>
/// <param name="trivias">A sequence of trivia.</param>
public SyntaxTriviaList(IEnumerable <SyntaxTrivia> trivias)
: this(null, SyntaxTriviaListBuilder.Create(trivias).Node, 0, 0)
{
}