public void Clear()
{
_filePath = null;
_reader = null;
_context = null;
if (_stringBuilder != null && _stringBuilder.Capacity > _stringBuilderCapacity * 8)
{
_stringBuilder = null;
}
}
public static Lexer Get(string filePath, TextReader reader, ParsingContext context, IEnumerable<string> ppSymbols)
{
return Instance.Init(filePath, reader, context, ppSymbols);
}
private Lexer Init(string filePath, TextReader reader, ParsingContext context, IEnumerable<string> ppSymbols)
{
if (filePath == null) throw new ArgumentNullException("filePath");
if (reader == null) throw new ArgumentNullException("reader");
if (context == null) throw new ArgumentNullException("context");
_filePath = filePath;
_reader = reader;
_context = context;
_index = _count = 0;
_isEOF = false;
_totalIndex = 0;
_lastLine = _lastColumn = _line = _column = 1;
if (_stringBuilder == null)
{
_stringBuilder = new StringBuilder(_stringBuilderCapacity);
}
_atLineHead = true;
_gotNonTrivalToken = false;
_ppRegionCount = 0;
_ppSymbolSet.Clear();
if (ppSymbols != null)
{
_ppSymbolSet.UnionWith(ppSymbols);
}
_ppConditionStack.Clear();
_ppExprToken = null;
return this;
}