public override CalcExpression Optimize()
{
_expr = _expr.Optimize();
return(_expr._token.Type == Tktype.LITERAL
? new CalcExpression(this.Evaluate())
: this);
}
public override CalcExpression Optimize()
{
_lft = _lft.Optimize();
_rgt = _rgt.Optimize();
return(_lft._token.Type == Tktype.LITERAL && _rgt._token.Type == Tktype.LITERAL
? new CalcExpression(this.Evaluate())
: this);
}
public CalcUnaryExpression(Token tk, CalcExpression expr) : base(tk)
{
_expr = expr;
}
public CalcBinaryExpression(Token tk, CalcExpression exprLeft, CalcExpression exprRight) : base(tk)
{
_lft = exprLeft;
_rgt = exprRight;
}