private static bool MatchCombinator(Expression exp, MatchContext context)
{
context.SaveMark();
bool result = false;
switch (exp.combinator)
{
case ExpressionCombinator.Or:
result = MatchOr(exp, context);
break;
case ExpressionCombinator.OrOr:
result = MatchOrOr(exp, context);
break;
case ExpressionCombinator.AndAnd:
result = MatchAndAnd(exp, context);
break;
case ExpressionCombinator.Juxtaposition:
result = MatchJuxtaposition(exp, context);
break;
case ExpressionCombinator.Group:
result = MatchGroup(exp, context);
break;
case ExpressionCombinator.None:
break;
}
if (result)
{
context.DropMark();
}
else
{
context.RestoreMark();
}
return(result);
}