private static T Parse <T>(
ReadOnlySpan <byte> sourceText,
ParseSyntax <T> parse,
bool moveNext = true)
where T : ISyntaxNode
{
var parser = new Utf8GraphQLParser(sourceText);
if (moveNext)
{
parser.MoveNext();
}
return(parse(parser));
}
private static unsafe T Parse <T>(
string sourceText,
ParseSyntax <T> parse,
bool moveNext = true)
where T : ISyntaxNode
{
if (string.IsNullOrEmpty(sourceText))
{
throw new ArgumentException(
LangResources.SourceText_Empty,
nameof(sourceText));
}
int length = checked (sourceText.Length * 4);
bool useStackalloc =
length <= GraphQLConstants.StackallocThreshold;
byte[]? source = null;
Span <byte> sourceSpan = useStackalloc
? stackalloc byte[length]
: (source = ArrayPool <byte> .Shared.Rent(length));
try
{
ConvertToBytes(sourceText, ref sourceSpan);
var parser = new Utf8GraphQLParser(sourceSpan);
if (moveNext)
{
parser.MoveNext();
}
return(parse(parser));
}
finally
{
if (source != null)
{
sourceSpan.Clear();
ArrayPool <byte> .Shared.Return(source);
}
}
}
