outfileb.txt

一个编译原理的词法分析程序,功能都已经完备了,可以从文件读入,输出分析完成的各个词

关键字 符号 标识符 数字
  0      1     2    3  
(0,"var")
(2,"tmp1")
(1,",")
(2,"AB")
(1,",")
(2,"c123")
(1,":")
(0,"integer")
(1,";")
(0,"begin")
(2,"tmp1")
(1,":")
(1,"=")
(3,"123")
(1,"*")
(3,"23")
(1,"+")
(3,"93")
(1,"*")
(3,"5")
(1,";")
(2,"AB")
(1,":")
(1,"=")
(1,"(")
(2,"tmp1")
(1,"+")
(3,"5")
(1,")")
(1,"*")
(2,"tmp1")
(1,";")
(2,"c123")
(1,":")
(1,"=")
(2,"AB")
(1,"+")
(2,"tmp1")
(1,";")
(0,"if")
(2,"c123")
(1,"*")
(2,"AB")
(1,">=")
(2,"tmp1")
(1,"+")
(3,"12")
(0,"then")
(0,"while")
(2,"c123")
(1,"+")
(2,"AB")
(1,">")
(3,"10")
(0,"do")
(0,"begin")
(2,"tmp1")
(1,":")
(1,"=")
(2,"c123")
(1,";")
(0,"procedure")
(2,"proc23CE")
(1,"(")
(2,"a1")
(1,",")
(2,"b2c")
(1,")")
(1,";")
(0,"begin")
(0,"procedure")
(2,"proc34T")
(1,";")
(0,"begin")
(2,"AB")
(1,":")
(1,"=")
(3,"324")
(1,"*")
(2,"c123")
(1,";")
(0,"end")
(0,"end")
(0,"end")
(0,"else")
(0,"if")
(3,"10")
(1,">")
(3,"12")
(0,"then")
(2,"c123")
(1,":")
(1,"=")
(3,"10")
(1,";")
(0,"else")
(2,"tmp1")
(1,":")
(1,"=")
(2,"c123")
(1,";")