编译原理语法分析器程序设计，用C语言或C++，哪里有这个程序

我写好的.
scan.h

/*
* scan.h
* ccompiler
*
* Created by on 09-10-12.
* Copyright 2009 __MyCompanyName__. All rights reserved.
*
*/

#ifndef _SCAN_H_
#define _SCAN_H_

#include <string>
#include <fstream>
using namespace std;

typedef enum
{
ENDFILE,ERROR,
ELSE,IF,INT,RETURN,VOID,WHILE,
ID,NUM,
ASSIGN,EQ,LT,GT,LE,GE,NE,ADD,SUB,MUL,DIV,SEMI,LPAREN,RPAREN,LZK,RZK,LDK,RDK,COMMA
}
TokenType;

class Scan
{
private:
string tokenStr;
string linebuffer;
ifstream * in;
int linepos;
int lineno;
bool EOF_Flag;
bool traceScan;
void printToken(TokenType tt,const string &tok);
public:
Scan(ifstream * in)
{
this->in=in;
linepos=0;
linebuffer="";
lineno=0;
EOF_Flag=false
traceScan=true;
}
char getNextChar();