#include
#include
#include
#include
#include
#include
#include
#include
#define?NULL?0
struct?Stack??//??棧結構體:?序號、內容、連接下一結點指針
{
	int?num;
	char?name;
	struct?Stack?*next;
};
struct?Guiyue//?規則集結構體:序號、規則長度、符號、連接下一結點指針
{
	int?num;
	int?count;
	char?name;
	struct?Guiyue?*next;
};

struct?Relation?//?分析表結構體:狀態序號、對應符號列、操作類型的對應序號、操作類型、連接下一結點指針
{??
	int?line_States?;
	char?rank_Letter;
	int?relationship;
	char?name;
	struct?Relation?*next;
};
??
struct?Sign?//?符號表結構體:?自變量名、標識類型、連接下一結點指針
{
	char?name[20];
	char?kind;
	struct?Sign?*next;
};
???
struct?Word?//?單詞表結構體:?單詞名字、標識類型、狀態、序號、行號、連接符號表指針、連接下一結點指針
{
	char?name[20];
	char?mark_name;
	int?state;
	int?num;
	int?line;
	struct?Sign?*link;
	struct?Word?*next;
};

FILE?*fp1;//文件指針
int?row=1line[10000]Lin[300]w_num;//字符行變量、字符行、單詞所在行、字符數
char?buffer[10000];//字符串緩沖區
Stack?*MarkPush（Stack?*ipchar?markint?I_i）//壓棧
{
	Stack?*s;
	s=（Stack?*）malloc（sizeof（Stack））;
	s->name=mark;
	s->num=I_i;
	s->next=ip;
	ip=s;
	return?ip;
}

void?MarkPop（Stack?*ip）//出棧
{
	Stack?*q;
	char?name;
	name=ip->name;
	q=ip->next;
	if（ip->next!=NULL）
	{
		ip->name=ip->next->name;
		ip->num=ip->next->num;
		ip->next=ip->next->next;
		free（q）;
	}
}
int?judge（char?ch）//?接收ch判斷字符，變量flag返回字符類別
{
	int?flag;
	if（ch==‘!‘||ch==‘$‘||ch==‘&‘||ch==‘*‘||ch==‘（‘||ch==‘）‘||ch==‘-‘||ch==‘_‘||
	???ch==‘+‘||ch==‘=‘||ch==‘|‘||ch==‘{‘||ch==‘}‘||ch==‘[‘||ch==‘]‘||ch==‘;‘||
	???ch==‘:‘||ch==‘“‘||ch==‘<‘||ch==‘‘||ch==‘>‘||ch==‘.‘||ch==‘/‘||ch==‘\‘‘）??
		flag=1;
	else?if（‘0‘<=ch&&ch<=‘9‘）??????????????????????????
		flag=2;
	else?if（（‘a‘<=ch&&ch<=‘z‘）||（‘A‘<=ch&&ch<=‘Z‘））????
		flag=3;
	else?if（ch==‘?‘）???????????????????????????????????
		flag=4;
	else?if（ch==‘\n‘）??????????????????????????????????
		flag=5;
	else?if（ch==‘?‘）???????????????????????????????????
		flag=6;
	else?if（feof（fp1））
????????flag=7;//結束
	else???????????????????????????????????????????????
		flag=0;??????//illegal?character
	return（flag）;
}
//======================================================================================================
//??詞法分析函數:?void?scan（）
//??????數據傳遞:?形參fp接收指向文本文件頭的文件指針；
//????????????????全局變量buffer與line對應保存源文件字符及其行號，char_num保存字符總數。
void?scan（）
{
	char?ch;
	int?flagj=0i=-1;
	while（!feof（fp1））
		{
			ch=fgetc（fp1）;
			flag=judge（ch）;
			printf（“%c“ch）;//顯示打開的文件
	??	????if（flag==1||flag==2||flag==3）????{i++;buffer[i]=ch;line[i]=row;}
			??else?if（flag==4）?????????????????{i++;buffer[i]=‘?‘;line[i]=row;}
		?	????else?if（flag==5）?????????????????{i++;buffer[i]=‘~‘;row++;}
				else?if（flag==7）??continue;
			???????else??cout<<“\n請注意，第“<	}?????????????????????????????????????????
	w_num=i;

	/*****************確定單詞所在的行*****************/
	int?onetwok=0;
	for（i=0;i		one=judge（buffer[i]）;
		two=judge（buffer[i+1

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

?????文件??????58368??2009-01-08?14:31??C編譯器\Debug\vc60.idb

?????文件??????69632??2009-01-08?14:31??C編譯器\Debug\vc60.pdb

?????文件?????237636??2009-01-08?14:31??C編譯器\Debug\簡單C編譯器.exe

?????文件?????283256??2009-01-08?14:31??C編譯器\Debug\簡單C編譯器.ilk

?????文件??????63710??2009-01-08?14:31??C編譯器\Debug\簡單C編譯器.obj

????I.A....????347176??2009-01-08?14:31??C編譯器\Debug\簡單C編譯器.pch

?????文件?????484352??2009-01-08?14:31??C編譯器\Debug\簡單C編譯器.pdb

?????文件????????143??2009-01-08?12:47??C編譯器\li.txt

?????文件????????159??2009-01-08?13:23??C編譯器\liyoubu.txt

?????文件????????664??2009-01-07?11:49??C編譯器\LR.txt

?????文件??????31320??2009-01-08?13:20??C編譯器\簡單C編譯器.cpp

?????文件???????3463??2009-01-08?14:31??C編譯器\簡單C編譯器.dsp

?????文件????????547??2009-01-08?14:32??C編譯器\簡單C編譯器.dsw

?????文件??????41984??2009-01-08?14:32??C編譯器\簡單C編譯器.ncb

?????文件??????48640??2009-01-08?14:32??C編譯器\簡單C編譯器.opt

?????文件????????256??2009-01-08?14:31??C編譯器\簡單C編譯器.plg

?????目錄??????????0??2009-01-08?14:31??C編譯器\Debug

?????目錄??????????0??2009-01-08?14:32??C編譯器

-----------?---------??----------?-----??----

??????????????1671306????????????????????18