'Sets the user state, generally used for syntax highlighting.
:param block: block to modify
:param state: new state value.
:return:'

@staticmethod
def set_state(block, state):

    if (block is None):
        return
    user_state = block.userState()
    if (user_state == (-1)):
        user_state = 0
    higher_part = (user_state & 2147418112)
    state &= 65535
    state |= higher_part
    block.setUserState(state)
