Method prepareMemoryStore

libsolidity/codegen/CompilerUtils.cpp:1634–1663

}

unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWords, bool _cleanup)
{
	solAssert(
		_type.sizeOnStack() == 1,
		"Memory store of types with stack size != 1 not allowed (Type: " + _type.toString(true) + ")."
	);

	solAssert(!_type.isDynamicallyEncoded());

	unsigned numBytes = _type.calldataEncodedSize(_padToWords);

	solAssert(
		numBytes > 0,
		"Memory store of 0 bytes requested (Type: " + _type.toString(true) + ")."
	);

	solAssert(
		numBytes <= 32,
		"Memory store of more than 32 bytes requested (Type: " + _type.toString(true) + ")."
	);

	if (_cleanup)
		convertType(_type, _type, true);

	if (numBytes != 32 && !_type.leftAligned() && !_padToWords)
		// shift the value accordingly before storing
		leftShiftNumberOnStack((32 - numBytes) * 8);

	return numBytes;
}