private TypeDesc Expression(HashSet <SymbolEnum> followers)
{
var firstOperandType = NeutralizerDecoratorWithReturn(SimpleExpression, Starters.SimpleExpression, Followers.SimpleExpression, 6, followers);
if (IsComparisonOperator(CurrentSymbol))
{
NextSymbol();
var secondOperandType = NeutralizerDecoratorWithReturn(SimpleExpression, Starters.SimpleExpression, Followers.SimpleExpression, 6, followers);
if (!TypeValidator.AreTypesComparisonCompatible(firstOperandType, secondOperandType))
{
Error(186);
}
return(TypeDesc.booleanType);
}
return(firstOperandType);
}