private Object EvaluateBinaryOperation(Object left, Object right, BinaryOp.OpType type)
{
if (left.GetType() != right.GetType())
{
return(new Error($@"
Unsupported different types in {type} operation
left side is a: {left.GetType()}
right side is a: {right.GetType()}
"));
}
if (left.GetType() == Number.Name && right.GetType() == Number.Name)
{
return(EvaluateNumberOp(left as Number, right as Number, type));
}
return(Null.NULL);
}
private Object EvaluateNumberOp(Number left, Number right, BinaryOp.OpType type)
{
switch (type)
{
case BinaryOp.OpType.Add:
return(new Number(left.value + right.value));
case BinaryOp.OpType.Subtract:
return(new Number(left.value - right.value));
case BinaryOp.OpType.Divide:
return(new Number(left.value / right.value));
case BinaryOp.OpType.Power:
return(new Number(Math.Pow(left.value, right.value)));
case BinaryOp.OpType.Multiply:
return(new Number(left.value * right.value));
case BinaryOp.OpType.Modulo:
return(new Number(left.value % right.value));
case BinaryOp.OpType.Equal:
return(Boolean.FromBool(left.value == right.value));
case BinaryOp.OpType.GreaterThan:
return(Boolean.FromBool(left.value > right.value));
case BinaryOp.OpType.GreaterOrEqual:
return(Boolean.FromBool(left.value >= right.value));
case BinaryOp.OpType.LessThan:
return(Boolean.FromBool(left.value < right.value));
case BinaryOp.OpType.LessOrEqual:
return(Boolean.FromBool(left.value <= right.value));
case BinaryOp.OpType.NotEqual:
return(Boolean.FromBool(left.value != right.value));
default:
return(new Error($"unsupported operation with numbers: {type}. Consider doing a type transformation"));
}
}
