production.txt

来自「LL（1）分析 写的语法分析程序」· 文本 代码 · 共 11 行

exp -> term exp' 
exp' -> addop term exp' 
exp' -> @ 
addop -> +  
addop -> - 
term -> factor term' 
term' -> mulop  factor term' 
term' -> @ 
mulop -> * 
factor -> ( exp ) 
factor -> number