def p_factor_unary_operators(self, p):
p[<NUM_LIT:0>] = p[<NUM_LIT:2>]<EOL>if p[<NUM_LIT:1>] == '<STR_LIT:->':<EOL><INDENT>p[<NUM_LIT:0>] = Instruction('<STR_LIT>', context={'<STR_LIT:x>': p[<NUM_LIT:0>]})<EOL><DEDENT>
term : SUB factor
     | ADD factor