#include?“shiyan2.h“

/*
word?analyse
*/

enum?Syn_Type?syn;
extern?FILE*?INPUT_FILE;
extern?FILE*?OUTPUT_FILE;
char?row[Max_row_num+HEADSPACE];//the?present?row?of?inputfile
int?row_num;
int?now_row;
char?now[Max_word_length+HEADSPACE];//the?present?word?or?number?or?symbol
char?Ctmp[Max_word_length];
char?ch;
int?p;
int?end;

const?char?Key_words[Key_words_num][Max_word_length]=?{“int““void““if““else““return““while“};

const?char?Cexplain[CifaNum][Max_word_length]=
{
????“Int“
????“Void“
????“If“
????“Else“
????“Return“
????“While“
????“Id“
????“Digit“
????“Op_Mul“
????“Op_Add“
????“Br_Sq_Right“
????“Br_Big_Right“
????“Str“
????“Comma“
????“Compare“
????“Eql“
????“Sem“
????“Br_Sm_Left“
????“Br_Sm_Right“
????“Br_Sq_Left“
????“Br_Big_Left“
????“Comment“
????“WORDERROR“
};

int?isChar（char?ch）
{
????if（ch>=‘A‘&&ch<=‘Z‘）?return?1;
????if（ch>=‘a(chǎn)‘&&ch<=‘z‘）?return?1;
????return?0;
}

int?isNum（char?ch）
{
????if（ch>=‘0‘&&ch<=‘9‘）?return?1;
????return?0;
}

int?getNextLine（）
{
????if（fgets（rowMax_row_numINPUT_FILE）==NULL）?return?FILEEOF;
????now_row++;
????p=0;
????row_num=strlen（row）;
????return?0;
}

int?analyse（）
{
????syn=WORDERROR;
????int?np=0ctp=0i;
????while（p>=row_num-1）
????????if（getNextLine（）==FILEEOF）
????????????return?FILEEOF;
????while（row[p]==‘?‘||row[p]==9）
????{
????????p++;
????????while（p>=row_num-1）
????????????if（getNextLine（）==FILEEOF）?return?FILEEOF;
????}
????ch=row[p++];
????if（isChar（ch））
????{
????????now[np++]=ch;
????????ch=row[p];
????????while（isChar（ch）||isNum（ch））
????????{
????????????p++;
????????????if（np????????????????now[np++]=ch;
????????????ch=row[p];
????????}
????????if（np>=Max_word_length）
????????????error（Id_TooLong）;//!
????????now[np]=0;
????????syn=_Id;
????????for（i=0;?i????????????if（strcmp（nowKey_words[i]）==0）
????????????{
????????????????syn=（enum?Syn_Type）i;
????????????????break;
????????????}
????}
????else?if（isNum（ch））
????{
????????now[np++]=ch;
????????ch=row[p];
????????while（isNum（ch））
????????{
????????????p++;
????????????if（np==Max_word_length）
????????????{
????????????????error（Num_Toolarge）;?//!
????????????????ch=row[p];
????????????????while（isNum（ch））
????????????????{
????????????????????p++;
????????????????????ch=row[p];
????????????????}
????????????????now[0]=‘0‘;
????????????????np=1;
????????????????break;
????????????}
????????????now[np++]=ch;
????????????ch=row[p];
????????}
????????now[np]=0;
????????syn=_Digit;
????}
????else
????{
????????Ctmp[ctp++]=ch;
????????Ctmp[ctp]=0;
????????switch（ch）
????????{
????????case?‘*‘:
????????????syn=_Op_Mul;
????????????break;
????????case?‘/‘:
????????????ch=row[p];
????????????if（ch==‘*‘）
????????????{
????????????????strcpy（Ctmp“omitted“）;
????????????????p++;
????????????????while（true）
????????????????{
?????

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-21?13:05??shiyan2.6\
?????目錄???????????0??2013-11-21?13:05??shiyan2.6\bin\
?????目錄???????????0??2013-11-21?13:05??shiyan2.6\bin\Debug\
?????文件???????93123??2013-06-16?23:37??shiyan2.6\bin\Debug\shiyan2.exe
?????文件????????6862??2013-06-04?20:11??shiyan2.6\cifa.cpp
?????文件????????4464??2013-06-04?23:10??shiyan2.6\error.cpp
?????文件???????11673??2013-06-16?23:36??shiyan2.6\expression.cpp
?????文件????????2902??2013-06-04?23:12??shiyan2.6\grammar.cpp
?????文件?????????324??2013-06-16?23:37??shiyan2.6\in1.txt
?????文件?????????217??2013-06-16?23:17??shiyan2.6\in2.txt
?????文件?????????971??2013-06-04?22:09??shiyan2.6\in3.txt
?????文件?????????571??2013-06-04?19:40??shiyan2.6\init.cpp
?????文件????????1389??2013-06-04?21:59??shiyan2.6\IO.cpp
?????文件??????????97??2013-05-29?23:04??shiyan2.6\main.cpp
?????目錄???????????0??2013-11-21?13:05??shiyan2.6\obj\
?????目錄???????????0??2013-11-21?13:05??shiyan2.6\obj\Debug\
?????文件???????12454??2013-06-16?23:15??shiyan2.6\obj\Debug\cifa.o
?????文件????????7752??2013-06-16?23:15??shiyan2.6\obj\Debug\error.o
?????文件???????12475??2013-06-16?23:37??shiyan2.6\obj\Debug\expression.o
?????文件???????29406??2013-06-16?23:15??shiyan2.6\obj\Debug\grammar.o
?????文件????????3192??2013-06-16?23:15??shiyan2.6\obj\Debug\init.o
?????文件????????4202??2013-06-16?23:15??shiyan2.6\obj\Debug\IO.o
?????文件????????2243??2013-06-16?23:15??shiyan2.6\obj\Debug\main.o
?????文件???????14104??2013-06-16?23:15??shiyan2.6\obj\Debug\WordFun.o
?????文件????????1749??2013-06-17?09:52??shiyan2.6\out1.txt
?????文件????????1397??2013-06-16?23:30??shiyan2.6\out2.txt
?????文件????????3936??2013-06-16?23:33??shiyan2.6\out3.txt
?????文件????????1598??2013-06-16?23:38??shiyan2.6\shiyan2.6.cbp
?????文件????????3028??2013-11-26?20:46??shiyan2.6\shiyan2.6.depend
?????文件????????1769??2013-11-26?20:47??shiyan2.6\shiyan2.6.layout
?????文件????????2921??2013-06-16?23:15??shiyan2.6\shiyan2.h
............此處省略6個(gè)文件信息