private static RegexSymbol MakeInfixOperatorExpressionRegex(UniversalSymbol operatorExpression, params string[] operators)
{
var operatorsRegex = RegexSymbol.MakeUnion(operators);
return(operatorExpression * (operatorsRegex * operatorExpression).Star);
}
private static void SetProduction(this UniversalSymbol that, RegexSymbol regexSymbol)
{
Productions.Add(that, regexSymbol);
}
private ParseTree Wrap(UniversalSymbol symbol, string code, ParseTree wrapped)
{
return(new ParseBranch <Symbol>(new DummyFragment(code), Cast(symbol), dummyProd, new ParseTree[] { wrapped }));
}
private ParseTree Leaf(UniversalSymbol symbol, string code)
{
return(new ParseLeaf <Symbol>(new DummyFragment(code), Cast(symbol)));
}
private ParseTree Wrap(UniversalSymbol symbol, ParseTree[] wrapped)
{
return(new ParseBranch <Symbol>(new DummyFragment(GetCode(wrapped)), Cast(symbol), dummyProd, wrapped));
}
