Method operatorDefinitions

libsolidity/ast/Types.cpp:387–417

}

std::set<FunctionDefinition const*, ASTNode::CompareByID> Type::operatorDefinitions(
	Token _token,
	ASTNode const& _scope,
	bool _unary
) const
{
	if (!typeDefinition())
		return {};

	std::set<FunctionDefinition const*, ASTNode::CompareByID> matchingDefinitions;
	for (UsingForDirective const* directive: usingForDirectivesForType(*this, _scope))
		for (auto const& [identifierPath, operator_]: directive->functionsAndOperators())
		{
			if (operator_ != _token)
				continue;

			auto const& functionDefinition = dynamic_cast<FunctionDefinition const&>(
				*identifierPath->annotation().referencedDeclaration
			);
			auto const* functionType = dynamic_cast<FunctionType const*>(
				functionDefinition.libraryFunction() ? functionDefinition.typeViaContractName() : functionDefinition.type()
			);
			solAssert(functionType && !functionType->parameterTypes().empty());

			size_t parameterCount = functionDefinition.parameterList().parameters().size();
			if (*this == *functionType->parameterTypes().front() && (_unary ? parameterCount == 1 : parameterCount == 2))
				matchingDefinitions.insert(&functionDefinition);
		}

	return matchingDefinitions;
}

MemberList::MemberMap Type::attachedFunctions(Type const& _type, ASTNode const& _scope)
{