Function checkKeys

libsolidity/interface/StandardCompiler.cpp:456–466

}

std::optional<Json> checkKeys(Json const& _input, std::set<std::string> const& _keys, std::string const& _name)
{
	if (!_input.empty() && !_input.is_object())
		return formatFatalError(Error::Type::JSONError, "\"" + _name + "\" must be an object");

	for (auto const& [member, _]: _input.items())
		if (!_keys.count(member))
			return formatFatalError(Error::Type::JSONError, "Unknown key \"" + member + "\"");

	return std::nullopt;
}

std::optional<Json> checkRootKeys(Json const& _input)
{