#include?
#include?
#include?
using?namespace?std;


struct?grammar?{
??int?n?p?cnt;

??struct?node?{
????int?line;
????string?word;
????node（）?{}
????node（int?_line?string?_word）{
??????line?=?_line;
??????word?=?_word;
????}
??}?que[100005];

??node?get（int?p）?{
????if?（p?==?n）?{
??????return?node（-1?““）;
????}
????else?return?que[p];
??}

??void?read（）?{
????freopen（“file_out.txt“?“r“?stdin）;
????int?t;
????string?s;
????while?（cin?>>?t?&&?cin?>>?s）?{
??????que[n++]?=?node（t?s）;

????}

??}

??bool?is_number（char?c）?{
????return?c?>=?‘0‘?&&?c?<=?‘9‘;
??}

??bool?is_loweralpha（char?c）?{
????return?c?>=?‘a(chǎn)‘?&&?c?<=?‘z‘;
??}

??bool?is_upperalpha（char?c）?{
????return?c?>=?‘A‘?&&?c?<=?‘Z‘;
??}

??bool?is_alpha（char?c）?{
????return?is_loweralpha（c）?||?is_upperalpha（c）;
??}

??void?print（int?x?int?y）?{

??}

??bool?check_number（）?{
????int?tp?=?p;
????node?t?=?get（p）;
????p++;
????int?l?=?t.word.length（）;
????for?（int?i?=?0;?i???????if?（!is_number（t.word[i]））?{
????????print（tp?p）;
????????return?false;
??????}
????print（tp?p）;

????return?true;
??}

??bool?check_identifier（）?{
????int?tp?=?p;
????node?t?=?get（p++）;
????int?l?=?t.word.length（）;
????if?（!is_alpha（t.word[0]））?{
??????print（tp?p）;

??????return?false;
????}
????for?（int?i?=?0;?i???????if?（!is_alpha（t.word[i]）?&&?!is_number（t.word[i]））?{
????????print（tp?p）;
????????return?false;
??????}
????}
????print（tp?p）;
????return?true;
??}

??bool?check_const_definition（）?{
????int?tp?=?p;
????if?（!check_identifier（））?{
??????print（tp?p）;
??????return?false;
????}
????if?（get（p）.word?!=?string（“=“））?{
??????print（tp?p?+?1）;
??????return?false;
????}
????else?p++;
????if?（!check_number（））?{
??????print（tp?p）;
??????return?false;
????}
????print（tp?p）;
????return?true;
??}

??bool?check_const（）?{
????int?tp?=?p;
????p++;
????if?（!check_const_definition（））?{
??????print（tp?p）;
??????return?false;
????}
????while?（true）?{
??????if?（get（p）.word?==?string（““））?{
????????p++;
????????if?（!check_const_definition（））?{
??????????print（tp?p）;
??????????return?false;
????????}
??????}
??????else?if?（get（p）.word?==?string（“;“））?{
????????p++;
????????break;
??????}
??????else?{
????????print（tp?p?+?1）;
????????return?false;
??????}
????}
????print（tp?p）;
????return?true;
??}

??bool?check_var（）?{
????int?tp?=?p;
????p++;
????if?（!check_identifier（））?{
??????print（tp?p）;
??????return?false;
????}
????while?（true）?{
??????if?（get（p）.word?==?string（““））?{
????????p++;
????????if?（!check_identifier（））?{
??????????print（tp?p）;
??????????return?false;
????????}
??????}
??????else?if?（get（p）.word?==?string（“;“））?{
????????p++;
????????break;
??????}
??????else?{
????????print（tp?p）;
????????return?false;
??????}
????}
????print（tp?p）;
????return?true;
??}

??bool?is_addop（strin

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????152??2017-12-15?14:11??中間代碼生成\file_out.txt
?????文件????????8589??2017-12-15?14:06??中間代碼生成\中間代碼生成.cpp
?????文件???????25567??2018-06-21?14:29??中間代碼生成\中間代碼生成.docx
?????文件?????1883249??2018-01-09?15:08??中間代碼生成\中間代碼生成.exe
?????目錄???????????0??2018-06-21?14:29??中間代碼生成\