Method binaryOperation

libsolidity/codegen/ir/IRGeneratorForStatements.cpp:3052–3112

}

std::string IRGeneratorForStatements::binaryOperation(
	langutil::Token _operator,
	Type const& _type,
	std::string const& _left,
	std::string const& _right
)
{
	solAssert(
		!TokenTraits::isShiftOp(_operator),
		"Have to use specific shift operation function for shifts."
	);
	std::string fun;
	if (TokenTraits::isBitOp(_operator))
	{
		solAssert(
			_type.category() == Type::Category::Integer ||
			_type.category() == Type::Category::FixedBytes,
			""
		);
		switch (_operator)
		{
		case Token::BitOr: fun = "or"; break;
		case Token::BitXor: fun = "xor"; break;
		case Token::BitAnd: fun = "and"; break;
		default: break;
		}
	}
	else if (TokenTraits::isArithmeticOp(_operator))
	{
		solUnimplementedAssert(
			_type.category() != Type::Category::FixedPoint,
			"Not yet implemented - FixedPointType."
		);
		IntegerType const* type = dynamic_cast<IntegerType const*>(&_type);
		solAssert(type);
		bool checked = m_context.arithmetic() == Arithmetic::Checked;
		switch (_operator)
		{
		case Token::Add:
			fun = checked ? m_utils.overflowCheckedIntAddFunction(*type) : m_utils.wrappingIntAddFunction(*type);
			break;
		case Token::Sub:
			fun = checked ? m_utils.overflowCheckedIntSubFunction(*type) : m_utils.wrappingIntSubFunction(*type);
			break;
		case Token::Mul:
			fun = checked ? m_utils.overflowCheckedIntMulFunction(*type) : m_utils.wrappingIntMulFunction(*type);
			break;
		case Token::Div:
			fun = checked ? m_utils.overflowCheckedIntDivFunction(*type) : m_utils.wrappingIntDivFunction(*type);
			break;
		case Token::Mod:
			fun = m_utils.intModFunction(*type);
			break;
		default:
			break;
		}
	}