// UnaryOperatorExpression = UnaryOperator, UnaryExpression
private IParsingProduct ParseUnaryOperatorExpression(ISourceCode src)
{
using var ctx = src.GetFurtherContext();
ctx.ParseWhiteSpace();
var operFragment = ParseTerm(ctx, _repository.UnaryOperators, out var oper);
if (operFragment == null)
{
return(null);
}
var exp = ParseUnaryExpression(ctx);
if (exp == null)
{
return(null);
}
var opExp = _grammarProductsFactory.CreateOperatorNode(operFragment, oper, exp);
if (opExp == null)
{
ctx.SetError(ParsingErrors.UnexpectedSymbol);
return(null);
}
ctx.Accept();
return(opExp);
}
