public static VarValue UseOperation(VarValue left, VarValue right, OpCode code)
{
if (left.varType == Type.CONST && right.varType == Type.CONST)
{
return(new VarValue(ApplyOperation(left.value, right.value, code)));
}
return(OperationUnderNotConst(left, right));
}
private static VarValue OperationUnderNotConst(VarValue left, VarValue right)
{
if (left.varType == Type.NAC || right.varType == Type.NAC)
{
return(new VarValue(new Var()));
}
if (left.varType == Type.UNDEF || right.varType == Type.UNDEF)
{
return(new VarValue());
}
return(null);
}
public VarValue CollectionOperator(VarValue right)
{
if (right == null || this == right)
{
return(this);
}
if (this.varType == Type.NAC || right.varType == Type.NAC)
{
return(new VarValue(new Var()));
}
if (this.varType == Type.CONST && right.varType == Type.CONST)
{
return(new VarValue(new Var()));
}
if (this.varType == Type.CONST)
{
return(this);
}
return(right);
}