Method arrayAllocationSizeFunction

libsolidity/codegen/YulUtilFunctions.cpp:2362–2389

}

std::string YulUtilFunctions::arrayAllocationSizeFunction(ArrayType const& _type)
{
	solAssert(_type.dataStoredIn(DataLocation::Memory), "");
	std::string functionName = "array_allocation_size_" + _type.identifier();
	return m_functionCollector.createFunction(functionName, [&]() {
		Whiskers w(R"(
			function <functionName>(length) -> size {
				// Make sure we can allocate memory without overflow
				if gt(length, 0xffffffffffffffff) { <panic>() }
				<?byteArray>
					size := <roundUp>(length)
				<!byteArray>
					size := mul(length, 0x20)
				</byteArray>
				<?dynamic>
					// add length slot
					size := add(size, 0x20)
				</dynamic>
			}
		)");
		w("functionName", functionName);
		w("panic", panicFunction(PanicCode::ResourceError));
		w("byteArray", _type.isByteArrayOrString());
		w("roundUp", roundUpFunction());
		w("dynamic", _type.isDynamicallySized());
		return w.render();
	});
}

std::string YulUtilFunctions::arrayDataAreaFunction(ArrayType const& _type)
{