protected override int InnerParse(ParseArgs args)
{
if (args.IsRoot)
{
Scanner scanner = args.Scanner;
int pos = scanner.Position;
args.Push();
int match = Inner.Parse(args);
MatchCollection matches = null;
if (match >= 0 && !AllowPartialMatch && !scanner.IsEof)
{
args.PopFailed();
scanner.Position = pos;
match = -1;
}
else
{
matches = args.Pop();
}
IEnumerable <Parser> errors = null;
if (args.Errors != null)
{
var errorList = new List <Parser>(args.Errors.Count);
for (int i = 0; i < args.Errors.Count; i++)
{
Parser error = args.Errors[i];
if (!errorList.Contains(error))
{
errorList.Add(error);
}
}
errors = errorList;
}
args.Root = new GrammarMatch(this, scanner, pos, match, matches, args.ErrorIndex, args.ChildErrorIndex,
errors);
return(match);
}
return(base.InnerParse(args));
}
