'''expression : expr_primary_or_typename '''
print('expression_1', list(p))
p[0] = p[1]
- p[0] = p[1]
()
def p_expression_2(p):
'''expression : inc_or_dec_expression '''
def p_expression_4(p):
'''expression : '+' attribute_list_opt expr_primary %prec UNARY_PREC '''
print('expression_4', list(p))
- # { $$ = $3; }
+ p[0] = p[3]
()
def p_expression_5(p):
'''expression : '-' attribute_list_opt expr_primary %prec UNARY_PREC '''