protected virtual void Visit(LogicExp logicExp)
{
var leftExp = logicExp.LeftNode;
var rightExp = logicExp.RightNode;
Expression leftExpression = null;
Expression rightExpression = null;
if (leftExp is LogicExp)
{
Visit((LogicExp)leftExp);
}
else if (leftExp is ComparrisonExp)
{
Visit((ComparrisonExp)leftExp);
}
else
{
throw new Exception();
}
if (rightExp is LogicExp)
{
Visit((LogicExp)rightExp);
}
else if (rightExp is ComparrisonExp)
{
Visit((ComparrisonExp)rightExp);
}
else
{
throw new Exception();
}
}
protected virtual Expression Visit(LogicExp logicExp)
{
var leftExp = logicExp.LeftNode;
var rightExp = logicExp.RightNode;
Expression leftExpression = null;
Expression rightExpression = null;
if (leftExp is LogicExp)
{
leftExpression = Visit((LogicExp)leftExp);
}
else if (leftExp is ComparrisonExp)
{
leftExpression = Visit((ComparrisonExp)leftExp);
}
else
{
throw new Exception();
}
if (rightExp is LogicExp)
{
rightExpression = Visit((LogicExp)rightExp);
}
else if (rightExp is ComparrisonExp)
{
rightExpression = Visit((ComparrisonExp)rightExp);
}
else
{
throw new Exception();
}
return(OpDic[logicExp.BaseToken.OpType](leftExpression, rightExpression));
}
protected override void Visit(LogicExp logicExp)
{
base.Visit(logicExp);
var rightExp = temp.Pop();
var leftExp = temp.Pop();
temp.Push(OpDic[logicExp.BaseToken.OpType](leftExp, rightExp));
}
