Method arrayDataAreaFunction

libsolidity/codegen/YulUtilFunctions.cpp:2391–2420

}

std::string YulUtilFunctions::arrayDataAreaFunction(ArrayType const& _type)
{
	std::string functionName = "array_dataslot_" + _type.identifier();
	return m_functionCollector.createFunction(functionName, [&]() {
		// No special processing for calldata arrays, because they are stored as
		// offset of the data area and length on the stack, so the offset already
		// points to the data area.
		// This might change, if calldata arrays are stored in a single
		// stack slot at some point.
		return Whiskers(R"(
			function <functionName>(ptr) -> data {
				data := ptr
				<?dynamic>
					<?memory>
						data := add(ptr, 0x20)
					</memory>
					<?storage>
						mstore(0, ptr)
						data := keccak256(0, 0x20)
					</storage>
				</dynamic>
			}
		)")
		("functionName", functionName)
		("dynamic", _type.isDynamicallySized())
		("memory", _type.location() == DataLocation::Memory)
		("storage", _type.location() == DataLocation::Storage)
		.render();
	});
}

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