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編譯原理課設,已實現(xiàn)詞法分析和語法分析,代碼注釋詳細,驗證無誤。

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代碼片段和文件信息

#include“ACTION_GO.h“

stack?state;//狀態(tài)棧
stack?symbol;//符號棧
queue?inputString;//輸入符號串

Action?action[50][50];
int?Goto[50][50];

char?Formula[25][25]?=?{?‘\0‘?};//文法產(chǎn)生式
char?VT[30]?=?{?‘\0‘?};//終結符
char?VN[30]?=?{?‘\0‘?};//非終結符

void?get_Formula()
{
fstream?outfile;
cout?< int?n?=?0;
cin?>>?n;
cout?< for(int?i=0;i {
cin?>>?Formula[i];
}
establish_VT(n);
esrablish_VN(n);
}

int?existence(char?*array?char?a)
{//判斷數(shù)組中是否存在某個字符
int?i?=?0;
while?(array[i])
{
if?(array[i]?==?a)
{
return?i;????//存在則返回字符在數(shù)組中的位置
?//break;
}
i++;
}
return?-1;??????????//不存在則返回-1
}

void?addTocollection(char?*array?char?a)
{//將某個字符加入到字符串的最后
if?(existence(array?a)?==?-1)
{//判斷是否存在
int?i?=?0;
while?(array[i])
{
++i;
}
array[i]?=?a;
}
}

void?establish_VT(int?n)
{//終結符匯總
int?i?=?1?j;
for?(i?=?0;?i? {
j?=?3;
while?(Formula[i][j])
{
if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘a(chǎn)‘&&?Formula[i][j?+?1]?==?‘n‘&&?Formula[i][j?+?2]?==?‘d‘)
{//and
addTocollection(VT?Formula[i][j]);
//addTocollection(VT?Formula[i][j?+?1]);
j+=2;
}
if?((existence(VT?Formula[i][j])?==?-1||?existence(VT?Formula[i][j+1])?==?-1)?&&?Formula[i][j]?==?‘i‘&&?Formula[i][j?+?1]?==?‘d‘)
{//id
addTocollection(VT?Formula[i][j?+?1]);???//d
//addTocollection(VT?Formula[i][j?+?1]);
j++;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘b‘&&?Formula[i][j?+?1]?==?‘e‘&&?Formula[i][j?+?2]?==?‘g‘&&?Formula[i][j?+?3]?==?‘i‘&&?Formula[i][j?+?4]?==?‘n‘)
{//begin
addTocollection(VT?Formula[i][j]);
j+=4;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘e‘&&?Formula[i][j?+?1]?==?‘n‘&&?Formula[i][j?+?2]?==?‘d‘)
{//end
addTocollection(VT?Formula[i][j]);
j+=2;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘i‘&&?Formula[i][j?+?1]?==?‘f‘)
{//if
addTocollection(VT?Formula[i][j]);
j++;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘t‘&&?Formula[i][j?+?1]?==?‘h‘&&?Formula[i][j?+?2]?==?‘e‘&&?Formula[i][j?+?3]?==?‘n‘)
{//then
addTocollection(VT?Formula[i][j]);
j+=3;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘:‘&&?Formula[i][j?+?1]?==?‘=‘)
{//:=
addTocollection(VT?Formula[i][j]);
j++;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘o‘&&?Formula[i][j?+?1]?==?‘r‘)
{//or
addTocollection(VT?Formula[i][j]);
j++;
}
else?if?((existence(VT?Formula[i][j])?==?-1)?&&?Formula[i][j]?==?‘n‘&&?Formula[i][j?+?1]?==?‘o‘&&?Formula[i][j?+?2]?==?‘t‘)
{//not
addTocollection(VT?Formula[i][j]);
j+=2;
}
else?if?((existence(VT?Formula[i][j])?==?-1||?existence(VT?Formula[i][j+1])?==?-1||?existence(VT?Formu

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????34816??2018-11-30?14:32??SLR1\.vs\SLR1\v15\.suo

?????文件????6725632??2018-11-30?14:32??SLR1\.vs\SLR1\v15\Browse.VC.db

?????文件???39714816??2018-11-30?14:32??SLR1\.vs\SLR1\v15\ipch\fe9a398798dfff69.ipch

?????文件????????536??2018-12-04?19:35??SLR1\ACTION_GO.h

?????文件????????383??2018-12-02?09:50??SLR1\action_goto.txt

?????文件??????15819??2018-12-19?17:12??SLR1\creat.cpp

?????文件????????175??2018-12-04?21:51??SLR1\G.txt

????..A..H.?????47104??2018-12-19?17:15??SLR1\SLR1\.vs\SLR1\v15\.suo

?????文件????6332416??2018-12-19?17:15??SLR1\SLR1\.vs\SLR1\v15\Browse.VC.db

?????文件???38535168??2018-12-10?19:26??SLR1\SLR1\.vs\SLR1\v15\ipch\AutoPCH\55cb13d335b09910\SLR1.ipch

?????文件????3670016??2018-12-19?08:49??SLR1\SLR1\.vs\SLR1\v15\ipch\AutoPCH\8a9cacd2aa601461\WORD3.ipch

?????文件????3932160??2018-12-04?19:30??SLR1\SLR1\.vs\SLR1\v15\ipch\AutoPCH\e2a7466ac50f6fc2\WORD.ipch

?????文件???38535168??2018-12-19?07:50??SLR1\SLR1\.vs\SLR1\v15\ipch\AutoPCH\f2f07148830f10ed\CREAT.ipch

?????文件???????2843??2018-12-19?17:10??SLR1\SLR1\action_goto.txt

?????文件?????222720??2018-12-19?17:11??SLR1\SLR1\Debug\SLR1.exe

?????文件???10960832??2018-12-19?17:11??SLR1\SLR1\Debug\SLR1.ilk

?????文件????7876608??2018-12-19?17:11??SLR1\SLR1\Debug\SLR1.pdb

?????文件?????????52??2018-12-02?09:17??SLR1\SLR1\G.txt

?????文件?????????52??2018-12-19?08:49??SLR1\SLR1\SLR1\data.txt

?????文件?????809868??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\creat.obj

?????文件????????654??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.log

?????文件??????28035??2018-12-05?09:14??SLR1\SLR1\SLR1\Debug\SLR1.obj

?????文件???????2666??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\CL.command.1.tlog

?????文件??????30570??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\CL.read.1.tlog

?????文件???????5396??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\CL.write.1.tlog

?????文件???????1558??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\link.command.1.tlog

?????文件???????3220??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\link.read.1.tlog

?????文件????????826??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\link.write.1.tlog

?????文件????????263??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\SLR1.tlog\SLR1.lastbuildstate

?????文件?????257024??2018-12-19?17:11??SLR1\SLR1\SLR1\Debug\vc141.idb

............此處省略34個文件信息

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