bool Why3Translator::visit(BinaryOperation const& _binaryOperation)
{
Expression const& leftExpression = _binaryOperation.leftExpression();
Expression const& rightExpression = _binaryOperation.rightExpression();
solAssert(!!_binaryOperation.annotation().commonType, "");
Type const& commonType = *_binaryOperation.annotation().commonType;
Token::Value const c_op = _binaryOperation.getOperator();
if (commonType.category() == Type::Category::RationalNumber)
{
auto const& constantNumber = dynamic_cast<RationalNumberType const&>(commonType);
if (constantNumber.isFractional())
error(_binaryOperation, "Fractional numbers not supported.");
else
add("(of_int " + toString(commonType.literalValue(nullptr)) + ")");
return false;
}
static const map<Token::Value, char const*> optrans({
{Token::And, " && "},
{Token::Or, " || "},
{Token::BitOr, " lor "},
{Token::BitXor, " lxor "},
{Token::BitAnd, " land "},
{Token::Add, " + "},
{Token::Sub, " - "},
{Token::Mul, " * "},
{Token::Div, " / "},
{Token::Mod, " mod "},
{Token::Equal, " = "},
{Token::NotEqual, " <> "},
{Token::LessThan, " < "},
{Token::GreaterThan, " > "},
{Token::LessThanOrEqual, " <= "},
{Token::GreaterThanOrEqual, " >= "}
});
if (!optrans.count(c_op))
{
error(_binaryOperation, "Operator not supported.");
return true;
}
add("(");
leftExpression.accept(*this);
add(optrans.at(c_op));
rightExpression.accept(*this);
add(")");
return false;
}
