public dynamic Visit(MultPowExpr expr)
{
Visit((ExpressionBase)expr);
if (OptimizeMode.ExpressionSimplify)
{
var left = expr.First as LiteralExpr;
var right = expr.Second as LiteralExpr;
if (left != null && right != null)
{
var literal = new LiteralExpr {
Namespace = expr.Namespace, Node = expr.Node, SymbolType = expr.GetExprType()
};
dynamic result;
switch (expr.Type)
{
case MultPowDivType.Mult:
result = left.Value * right.Value;
break;
case MultPowDivType.Div:
result = (double)left.Value / right.Value;
break;
case MultPowDivType.IntDiv:
result = left.Value / right.Value;
break;
case MultPowDivType.Mod:
result = left.Value % right.Value;
break;
case MultPowDivType.Pow:
result = Math.Pow(left.Value, right.Value);
break;
default:
throw new ArgumentOutOfRangeException();
}
if (literal.SymbolType == SymbolType.Integer)
{
result = Convert.ToInt32(result);
}
literal.Value = result;
return(literal);
}
}
return(expr);
}
