re.txt

对简单的C程序或者Pascal程序进行词法分析以TOKEN字的形式放入结果文件

< ident ,"proc" >
< ( ,_ >
< ) ,_ >
< ident ,"i" >
< ; ,_ >
< int ,_ >
< ; ,_ >
< ident ,"j" >
< : ,_ >
< int ,_ >
< ; ,_ >
< { ,_ >
< ident ,"i" >
< = ,_ >
< const ,4 >
< ; ,_ >
< ident ,"j" >
< = ,_ >
< ident ,"i" >
< + ,_ >
< const ,5 >
< ; ,_ >
< while ,_ >
< ident ,"i" >
< >= ,RE >
< & ,_ >
< const ,0 >
< do ,_ >
< { ,_ >
< ident ,"j" >
< = ,_ >
< ident ,"j" >
< + ,_ >
< const ,1 >
< ; ,_ >
< ident ,"i" >
< = ,_ >
< ident ,"i" >
< - ,_ >
< const ,1 >
< ; ,_ >
< } ,_ >
< } ,_ >