token.txt

编译原理语法分析(LL1文法) 编译原理语法分析(LL1文法)

const ident = number , ident = number ;
var ident , ident ;
procedure ident ;
	var ident ;
	ident := ident * ( ident + ident )
;
while ident > ident 
do
	begin
		if ident = number
		then 
	end
.