词法分析器源代码C++

#include <iostream> 
#include <fstream> 
#include <stack> 
#include <map> 
#include <string> 

using namespace std; 

#define zhengshu 1 //int 
#define IF 2 //if 
#define ELSE 3 //else 
#define shishu 4 //float 
#define PRINT 5 //print 
#define ID 6 //identify 
#define CONSTANT 7 //constant 
#define op_fuzhi 8 //= 
#define op_add 9 //+ 
#define op_mul 10 //* 
#define op_2star 11 //** 
#define div_fenhao 12 //; 
#define syl_ls 13 //( 
#define syl_rs 14 //) 
#define syl_lb 15 //{ 
#define syl_rb 16 //} 
#define sbl_lm 17 //[ 
#define sbl_rm 18 //] 
#define op_sub 19 //- 
#define op_div 20 // / 
#define div_douhao 21 //, 
#define rop_yu 22 //&& 

#define op_or 23 //|| 
#define rop_fei 24 //! 
#define rop_equal 25 //== 
#define rop_dayu 26 //> 
#define rop_xiaoyu 27 //< 
#define rop_buxiaoyu 28 //>= 
#define rop_budayu 29 //<= 
#define rop_uneql 30 //!= 
#define TEMP 31 
#define NULL 0 
#define JMP 32 
#define GOTO 33 //goto标识 


/*****************************重要数据结构的声明开始*************************/ 
struct delos 
{ 
int code,value; 
}*result; //结果 
//变量表 
struct analyse 
{ 
int state; 
char sign; 
}; 

struct list 
{ 
int value; 
list *next;