Function checkOutputSelection

libsolidity/interface/StandardCompiler.cpp:580–619

}

std::optional<Json> checkOutputSelection(Json const& _outputSelection)
{
	if (!_outputSelection.empty() && !_outputSelection.is_object())
		return formatFatalError(Error::Type::JSONError, "\"settings.outputSelection\" must be an object");

	for (auto const& [sourceName, sourceVal]: _outputSelection.items())
	{
		if (!sourceVal.is_object())
			return formatFatalError(
				Error::Type::JSONError,
				"\"settings.outputSelection." + sourceName + "\" must be an object"
			);

		for (auto const& [contractName, contractVal]: sourceVal.items())
		{
			if (!contractVal.is_array())
				return formatFatalError(
					Error::Type::JSONError,
					"\"settings.outputSelection." +
					sourceName +
					"." +
					contractName +
					"\" must be a string array"
				);

			for (auto const& output: contractVal)
				if (!output.is_string())
					return formatFatalError(
						Error::Type::JSONError,
						"\"settings.outputSelection." +
						sourceName +
						"." +
						contractName +
						"\" must be a string array"
					);
		}
	}

	return std::nullopt;
}

/// Validates the optimizer settings and returns them in a parsed object.
/// On error returns the json-formatted error message.