Method extractReturndataFunction

libsolidity/codegen/YulUtilFunctions.cpp:4735–4762

}

std::string YulUtilFunctions::extractReturndataFunction()
{
	std::string const functionName = "extract_returndata";

	return m_functionCollector.createFunction(functionName, [&]() {
		return util::Whiskers(R"(
			function <functionName>() -> data {
				<?supportsReturndata>
					switch returndatasize()
					case 0 {
						data := <emptyArray>()
					}
					default {
						data := <allocateArray>(returndatasize())
						returndatacopy(add(data, 0x20), 0, returndatasize())
					}
				<!supportsReturndata>
					data := <emptyArray>()
				</supportsReturndata>
			}
		)")
		("functionName", functionName)
		("supportsReturndata", m_evmVersion.supportsReturndata())
		("allocateArray", allocateMemoryArrayFunction(*TypeProvider::bytesMemory()))
		("emptyArray", zeroValueFunction(*TypeProvider::bytesMemory()))
		.render();
	});
}

std::string YulUtilFunctions::copyConstructorArgumentsToMemoryFunction(
	ContractDefinition const& _contract,