public override int GenerateCode(int loc, IVirtualMachine vm, CheckerInformation info)
{
loc = Term.GenerateCode(loc, vm, info);
loc = RepTerm.GenerateCode(loc, vm, info);
var type = GetExpressionType(info);
if (type == Type.INT32)
{
switch (Operator)
{
case Operators.PLUS:
vm.IntAdd(loc++);
break;
case Operators.MINUS:
vm.IntSub(loc++);
break;
default:
throw new IVirtualMachine.InternalError(
"There's an invalid operator in ASTAddOpr. Operator: " + Operator.ToString());
}
}
else if (type == Type.DECIMAL)
{
switch (Operator)
{
case Operators.PLUS:
vm.DecimalAdd(loc++);
break;
case Operators.MINUS:
vm.DecimalSub(loc++);
break;
default:
throw new IVirtualMachine.InternalError(
"There's an invalid operator in ASTAddOpr. Operator: " + Operator.ToString());
}
}
else
{
throw new IVirtualMachine.InternalError(
"There's an invalid operand type in ASTAddOpr. type: " + type.ToString());
}
return(loc);
}