public STO checkOperands(STO a, STO b) {
typeA = a.getType();
typeB = b.getType();
if (!(typeA.isEquivalent(new IntType("int")))) {
return new ErrorSTO(typeA.getName());
} else if (!(typeB.isEquivalent(new IntType("int")))) {
return new ErrorSTO(typeB.getName());
} else if ((typeA.isEquivalent(new IntType("int")))
&& (typeB.isEquivalent(new IntType("int")))) {
if (a instanceof ConstSTO && b instanceof ConstSTO) {
int result = ((ConstSTO) a).getIntValue() | ((ConstSTO) b).getIntValue();
return new ConstSTO(Integer.toString(result), new IntType("int"), result);
}
return new ExprSTO("result", new IntType("int"));
}
return new ErrorSTO("Error");
}
public STO checkOperands(STO a, STO b) {
Type aType = a.getType();
Type bType = b.getType();
String name = "(" + a.getName() + ")" + getName() + "(" + b.getName() + ")";
STO retSTO;
boolean operableConsts =
(a instanceof ConstSTO)
&& ((ConstSTO) a).hasValue()
&& (b instanceof ConstSTO)
&& ((ConstSTO) b).hasValue();
if (!(aType instanceof NumericType) || !(bType instanceof NumericType)) {
if (!(aType instanceof NumericType)) return new ErrorSTO("error1n_Expr_left");
else return new ErrorSTO("error1n_Expr_right");
} else if (aType instanceof IntType && bType instanceof IntType) {
if (operableConsts) {
retSTO =
new ConstSTO(
name, new IntType(), ((ConstSTO) a).getIntValue() * ((ConstSTO) b).getIntValue());
} else {
retSTO = new ExprSTO(name, new IntType());
}
} else {
if (operableConsts) {
retSTO =
new ConstSTO(
name,
new FloatType(),
((ConstSTO) a).getFloatValue() * ((ConstSTO) b).getFloatValue());
} else {
retSTO = new ExprSTO(name, new FloatType());
}
}
retSTO.setRValue();
return retSTO;
}