public static RegexExpression Parse(string regex, SymbolId?acceptSymbol, bool ignorePatternWhitespace = true, bool breakOnSlash = false)
{
var state = new RegexParser(null, ignorePatternWhitespace, breakOnSlash);
RegexLexer.Create(state.ProcessTerminal).Push(regex.Append(Utf16Chars.EOF));
var result = state.Flush();
return(acceptSymbol.HasValue ? RegexAccept.Create(result, acceptSymbol.Value) : result);
}
public RegexExpression MatchGrapheme(RegexMatchGrapheme node, KeyValuePair <SymbolId, int?> context)
{
return(RegexAccept.Create(node, context.Key, context.Value));
}
public RegexExpression Accept(RegexAccept node, KeyValuePair <SymbolId, int?> context)
{
return(node);
}
public RxNode <TLetter> Accept(RegexAccept node, Context context)
{
return(new RxAccept <TLetter>(node.Inner.Visit(this, context), node.Symbol, node.Precedence));
}